Google Git
Sign in
nest-open-source / manifest_repos / dhd-driver / refs/heads/main / . / bcmdhd.101.10.361.x / dhd_pcie.c
blob: ed9dd523da786872020bd806976b5987ddf17dcf [file] [log] [blame]
/*
* DHD Bus Module for PCIE
*
* Copyright (C) 2020, Broadcom.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
*
* <<Broadcom-WL-IPTag/Open:>>
*
* $Id$
*/
/** XXX Twiki: [PCIeFullDongleArchitecture] */
/* include files */
#include <typedefs.h>
#include <bcmutils.h>
#include <bcmrand.h>
#include <bcmdevs.h>
#include <bcmdevs_legacy.h> /* need to still support chips no longer in trunk firmware */
#include <siutils.h>
#include <hndoobr.h>
#include <hndsoc.h>
#include <hndpmu.h>
#include <etd.h>
#include <hnd_debug.h>
#include <sbchipc.h>
#include <sbhndarm.h>
#include <hnd_armtrap.h>
#if defined(DHD_DEBUG)
#include <hnd_cons.h>
#endif /* defined(DHD_DEBUG) */
#include <dngl_stats.h>
#include <pcie_core.h>
#include <dhd.h>
#include <dhd_bus.h>
#include <dhd_flowring.h>
#include <dhd_proto.h>
#include <dhd_dbg.h>
#include <dhd_debug.h>
#if defined(LINUX) || defined(linux)
#include <dhd_daemon.h>
#endif /* LINUX || linux */
#include <dhdioctl.h>
#include <sdiovar.h>
#include <bcmmsgbuf.h>
#include <pcicfg.h>
#include <dhd_pcie.h>
#include <bcmpcie.h>
#include <bcmendian.h>
#include <bcmstdlib_s.h>
#ifdef DHDTCPACK_SUPPRESS
#include <dhd_ip.h>
#endif /* DHDTCPACK_SUPPRESS */
#include <bcmevent.h>
#include <dhd_config.h>
#ifdef DHD_TIMESYNC
#include <dhd_timesync.h>
#endif /* DHD_TIMESYNC */
#ifdef BCM_ROUTER_DHD
#include <bcmnvram.h>
#define STR_END "END\0\0"
#define BOARDREV_PROMOTABLE_STR "0xff"
#endif
#if defined(BCMEMBEDIMAGE)
#include BCMEMBEDIMAGE
#endif /* BCMEMBEDIMAGE */
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
#include <linux/pm_runtime.h>
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
#if defined(DEBUGGER) || defined (DHD_DSCOPE)
#include <debugger.h>
#endif /* DEBUGGER || DHD_DSCOPE */
#if defined(FW_SIGNATURE)
#include <dngl_rtlv.h>
#include <bcm_fwsign.h>
#endif /* FW_SIGNATURE */
#ifdef DNGL_AXI_ERROR_LOGGING
#include <dhd_linux_wq.h>
#include <dhd_linux.h>
#endif /* DNGL_AXI_ERROR_LOGGING */
#if defined(DHD_CONTROL_PCIE_CPUCORE_WIFI_TURNON)
#include <dhd_linux_priv.h>
#endif /* DHD_CONTROL_PCIE_CPUCORE_WIFI_TURNON */
#define EXTENDED_PCIE_DEBUG_DUMP 1 /* Enable Extended pcie registers dump */
#define MEMBLOCK 2048 /* Block size used for downloading of dongle image */
#ifdef LINUX
#define MAX_WKLK_IDLE_CHECK 3 /* times dhd_wake_lock checked before deciding not to suspend */
#endif /* LINUX */
#define DHD_MAX_ITEMS_HPP_TXCPL_RING 512
#define DHD_MAX_ITEMS_HPP_RXCPL_RING 512
#define MAX_HP2P_CMPL_RINGS 2u
/* XXX defines for 4378 */
#define ARMCR4REG_CORECAP (0x4/sizeof(uint32))
#define ARMCR4REG_MPUCTRL (0x90/sizeof(uint32))
#define ACC_MPU_SHIFT 25
#define ACC_MPU_MASK (0x1u << ACC_MPU_SHIFT)
/* XXX Offset for 4375 work around register */
#define REG_WORK_AROUND (0x1e4/sizeof(uint32))
/* XXX defines for 43602a0 workaround JIRA CRWLARMCR4-53 */
#define ARMCR4REG_BANKIDX (0x40/sizeof(uint32))
#define ARMCR4REG_BANKPDA (0x4C/sizeof(uint32))
/* Temporary war to fix precommit till sync issue between trunk & precommit branch is resolved */
/* CTO Prevention Recovery */
#define CTO_TO_CLEAR_WAIT_MS 50
#define CTO_TO_CLEAR_WAIT_MAX_CNT 200
/* FLR setting */
#define PCIE_FLR_CAPAB_BIT 28
#define PCIE_FUNCTION_LEVEL_RESET_BIT 15
#ifdef BCMQT_HW
extern int qt_flr_reset;
/* FLR takes longer on QT Z boards so increasing the delay by 30% */
#define DHD_FUNCTION_LEVEL_RESET_DELAY 70u
#define DHD_SSRESET_STATUS_RETRY_DELAY 55u
#else
#define DHD_FUNCTION_LEVEL_RESET_DELAY 70u /* 70 msec delay */
#define DHD_SSRESET_STATUS_RETRY_DELAY 40u
#endif /* BCMQT_HW */
/*
* Increase SSReset de-assert time to 8ms.
* since it takes longer time if re-scan time on 4378B0.
*/
#define DHD_SSRESET_STATUS_RETRIES 200u
/* Fetch address of a member in the pciedev_shared structure in dongle memory */
#define DHD_PCIE_SHARED_MEMBER_ADDR(bus, member) \
(bus)->shared_addr + OFFSETOF(pciedev_shared_t, member)
/* Fetch address of a member in rings_info_ptr structure in dongle memory */
#define DHD_RING_INFO_MEMBER_ADDR(bus, member) \
(bus)->pcie_sh->rings_info_ptr + OFFSETOF(ring_info_t, member)
/* Fetch address of a member in the ring_mem structure in dongle memory */
#define DHD_RING_MEM_MEMBER_ADDR(bus, ringid, member) \
(bus)->ring_sh[ringid].ring_mem_addr + OFFSETOF(ring_mem_t, member)
#ifdef DHD_REPLACE_LOG_INFO_TO_TRACE
#define DHD_PCIE_INFO DHD_TRACE
#else
#define DHD_PCIE_INFO DHD_INFO
#endif /* DHD_REPLACE_LOG_INFO_TO_TRACE */
#if defined(SUPPORT_MULTIPLE_BOARD_REV)
extern unsigned int system_rev;
#endif /* SUPPORT_MULTIPLE_BOARD_REV */
#ifdef EWP_EDL
extern int host_edl_support;
#endif
#ifdef BCMQT_HW
extern int qt_dngl_timeout;
#endif /* BCMQT_HW */
/* This can be overwritten by module parameter(dma_ring_indices) defined in dhd_linux.c */
uint dma_ring_indices = 0;
/* This can be overwritten by module parameter(h2d_phase) defined in dhd_linux.c */
bool h2d_phase = 0;
/* This can be overwritten by module parameter(force_trap_bad_h2d_phase)
* defined in dhd_linux.c
*/
bool force_trap_bad_h2d_phase = 0;
int dhd_dongle_ramsize;
struct dhd_bus *g_dhd_bus = NULL;
#ifdef DNGL_AXI_ERROR_LOGGING
static void dhd_log_dump_axi_error(uint8 *axi_err);
#endif /* DNGL_AXI_ERROR_LOGGING */
static int dhdpcie_checkdied(dhd_bus_t *bus, char *data, uint size);
static int dhdpcie_bus_readconsole(dhd_bus_t *bus);
#if defined(DHD_FW_COREDUMP)
static int dhdpcie_mem_dump(dhd_bus_t *bus);
static int dhdpcie_get_mem_dump(dhd_bus_t *bus);
#endif /* DHD_FW_COREDUMP */
static int dhdpcie_bus_membytes(dhd_bus_t *bus, bool write, ulong address, uint8 *data, uint size);
static int dhdpcie_bus_doiovar(dhd_bus_t *bus, const bcm_iovar_t *vi, uint32 actionid,
const char *name, void *params,
uint plen, void *arg, uint len, int val_size);
static int dhdpcie_bus_lpback_req(struct dhd_bus *bus, uint32 intval);
static int dhdpcie_bus_dmaxfer_req(struct dhd_bus *bus,
uint32 len, uint32 srcdelay, uint32 destdelay,
uint32 d11_lpbk, uint32 core_num, uint32 wait,
uint32 mem_addr);
#ifdef BCMINTERNAL
static int dhdpcie_bus_set_tx_lpback(struct dhd_bus *bus, bool enable);
static int dhdpcie_bus_get_tx_lpback(struct dhd_bus *bus);
static uint64 serialized_backplane_access_64(dhd_bus_t* bus, uint addr, uint size, uint64* val,
bool read);
#endif /* BCMINTERNAL */
static uint serialized_backplane_access(dhd_bus_t* bus, uint addr, uint size, uint* val, bool read);
static int dhdpcie_bus_download_state(dhd_bus_t *bus, bool enter);
static int _dhdpcie_download_firmware(struct dhd_bus *bus);
static int dhdpcie_download_firmware(dhd_bus_t *bus, osl_t *osh);
#if defined(FW_SIGNATURE)
static int dhdpcie_bus_download_fw_signature(dhd_bus_t *bus, bool *do_write);
static int dhdpcie_bus_download_ram_bootloader(dhd_bus_t *bus);
static int dhdpcie_bus_write_fws_status(dhd_bus_t *bus);
static int dhdpcie_bus_write_fws_mem_info(dhd_bus_t *bus);
static int dhdpcie_bus_write_fwsig(dhd_bus_t *bus, char *fwsig_path, char *nvsig_path);
static int dhdpcie_download_rtlv_end(dhd_bus_t *bus);
static int dhdpcie_bus_save_download_info(dhd_bus_t *bus, uint32 download_addr,
uint32 download_size, const char *signature_fname,
const char *bloader_fname, uint32 bloader_download_addr);
#endif /* FW_SIGNATURE */
static int dhdpcie_bus_write_vars(dhd_bus_t *bus);
static bool dhdpcie_bus_process_mailbox_intr(dhd_bus_t *bus, uint32 intstatus);
static bool dhdpci_bus_read_frames(dhd_bus_t *bus);
static int dhdpcie_readshared(dhd_bus_t *bus);
static void dhdpcie_init_shared_addr(dhd_bus_t *bus);
static bool dhdpcie_dongle_attach(dhd_bus_t *bus);
static void dhdpcie_bus_dongle_setmemsize(dhd_bus_t *bus, int mem_size);
static void dhdpcie_bus_release_dongle(dhd_bus_t *bus, osl_t *osh,
bool dongle_isolation, bool reset_flag);
static void dhdpcie_bus_release_malloc(dhd_bus_t *bus, osl_t *osh);
static int dhdpcie_downloadvars(dhd_bus_t *bus, void *arg, int len);
static void dhdpcie_setbar1win(dhd_bus_t *bus, uint32 addr);
static void dhd_init_bar1_switch_lock(dhd_bus_t *bus);
static void dhd_deinit_bar1_switch_lock(dhd_bus_t *bus);
static void dhd_init_pwr_req_lock(dhd_bus_t *bus);
static void dhd_deinit_pwr_req_lock(dhd_bus_t *bus);
static void dhd_init_bus_lp_state_lock(dhd_bus_t *bus);
static void dhd_deinit_bus_lp_state_lock(dhd_bus_t *bus);
static void dhd_init_backplane_access_lock(dhd_bus_t *bus);
static void dhd_deinit_backplane_access_lock(dhd_bus_t *bus);
static uint8 dhdpcie_bus_rtcm8(dhd_bus_t *bus, ulong offset);
static void dhdpcie_bus_wtcm8(dhd_bus_t *bus, ulong offset, uint8 data);
static void dhdpcie_bus_wtcm16(dhd_bus_t *bus, ulong offset, uint16 data);
static uint16 dhdpcie_bus_rtcm16(dhd_bus_t *bus, ulong offset);
static void dhdpcie_bus_wtcm32(dhd_bus_t *bus, ulong offset, uint32 data);
static uint32 dhdpcie_bus_rtcm32(dhd_bus_t *bus, ulong offset);
#ifdef DHD_SUPPORT_64BIT
static void dhdpcie_bus_wtcm64(dhd_bus_t *bus, ulong offset, uint64 data) __attribute__ ((used));
static uint64 dhdpcie_bus_rtcm64(dhd_bus_t *bus, ulong offset) __attribute__ ((used));
#endif /* DHD_SUPPORT_64BIT */
static void dhdpcie_bus_cfg_set_bar0_win(dhd_bus_t *bus, uint32 data);
static void dhdpcie_bus_reg_unmap(osl_t *osh, volatile char *addr, int size);
static int dhdpcie_cc_nvmshadow(dhd_bus_t *bus, struct bcmstrbuf *b);
static void dhdpcie_fw_trap(dhd_bus_t *bus);
static void dhd_fillup_ring_sharedptr_info(dhd_bus_t *bus, ring_info_t *ring_info);
static void dhdpcie_handle_mb_data(dhd_bus_t *bus);
extern void dhd_dpc_enable(dhd_pub_t *dhdp);
#ifdef PCIE_INB_DW
static void dhd_bus_ds_trace(dhd_bus_t *bus, uint32 dsval,
bool d2h, enum dhd_bus_ds_state inbstate);
#else
static void dhd_bus_ds_trace(dhd_bus_t *bus, uint32 dsval, bool d2h);
#endif /* PCIE_INB_DW */
#ifdef DHD_MMIO_TRACE
static void dhd_bus_mmio_trace(dhd_bus_t *bus, uint32 addr, uint32 value, bool set);
#endif /* defined(DHD_MMIO_TRACE) */
#if defined(LINUX) || defined(linux)
extern void dhd_dpc_kill(dhd_pub_t *dhdp);
#endif /* LINUX || linux */
#ifdef IDLE_TX_FLOW_MGMT
static void dhd_bus_check_idle_scan(dhd_bus_t *bus);
static void dhd_bus_idle_scan(dhd_bus_t *bus);
#endif /* IDLE_TX_FLOW_MGMT */
#ifdef BCMEMBEDIMAGE
static int dhdpcie_download_code_array(dhd_bus_t *bus);
#endif /* BCMEMBEDIMAGE */
#ifdef BCM_ROUTER_DHD
extern char * nvram_get(const char *name);
#endif
#if defined(BCMEMBEDIMAGE) && defined (BCM_ROUTER_DHD)
static void select_fd_image(
struct dhd_bus *bus, unsigned char **p_dlarray,
char **p_dlimagename, char **p_dlimagever,
char **p_dlimagedate, int *image_size);
#endif /* defined(BCMEMBEDIMAGE) && defined (BCM_ROUTER_DHD) */
#ifdef BCM_ROUTER_DHD
int dbushost_initvars_flash(si_t *sih, osl_t *osh, char **base, uint len);
#endif
#ifdef EXYNOS_PCIE_DEBUG
extern void exynos_pcie_register_dump(int ch_num);
#endif /* EXYNOS_PCIE_DEBUG */
#if defined(DHD_H2D_LOG_TIME_SYNC)
static void dhdpci_bus_rte_log_time_sync_poll(dhd_bus_t *bus);
#endif /* DHD_H2D_LOG_TIME_SYNC */
#define PCI_VENDOR_ID_BROADCOM 0x14e4
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
#define MAX_D3_ACK_TIMEOUT 100
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
#ifdef BCMQT
#define DHD_DEFAULT_DOORBELL_TIMEOUT 40 /* ms */
#else
#define DHD_DEFAULT_DOORBELL_TIMEOUT 200 /* ms */
#endif
#if defined(PCIE_OOB) || defined(PCIE_INB_DW)
static uint dhd_doorbell_timeout = DHD_DEFAULT_DOORBELL_TIMEOUT;
#endif /* PCIE_OOB || PCIE_INB_DW */
static bool dhdpcie_check_firmware_compatible(uint32 f_api_version, uint32 h_api_version);
static int dhdpcie_cto_error_recovery(struct dhd_bus *bus);
static int dhdpcie_init_d11status(struct dhd_bus *bus);
static int dhdpcie_wrt_rnd(struct dhd_bus *bus);
#ifdef BCMINTERNAL
#ifdef DHD_FWTRACE
#include <dhd_fwtrace.h>
#endif /* DHD_FWTRACE */
#endif /* BCMINTERNAL */
#ifdef DHD_HP2P
extern enum hrtimer_restart dhd_hp2p_write(struct hrtimer *timer);
static uint16 dhd_bus_set_hp2p_ring_max_size(struct dhd_bus *bus, bool tx, uint16 val);
#endif
#if defined(linux) || defined(LINUX)
#ifdef DHD_FW_MEM_CORRUPTION
#define NUM_PATTERNS 2
#else
#define NUM_PATTERNS 6
#endif /* DHD_FW_MEM_CORRUPTION */
static bool dhd_bus_tcm_test(struct dhd_bus *bus);
#endif /* LINUX || linux */
#if defined(FW_SIGNATURE)
static int dhd_bus_dump_fws(dhd_bus_t *bus, struct bcmstrbuf *strbuf);
#endif
static void dhdpcie_pme_stat_clear(dhd_bus_t *bus);
/* IOVar table */
enum {
IOV_INTR = 1,
#ifdef DHD_BUS_MEM_ACCESS
IOV_MEMBYTES,
#endif /* DHD_BUS_MEM_ACCESS */
IOV_MEMSIZE,
IOV_SET_DOWNLOAD_STATE,
IOV_SET_DOWNLOAD_INFO,
IOV_DEVRESET,
IOV_VARS,
IOV_MSI_SIM,
IOV_PCIE_LPBK,
IOV_CC_NVMSHADOW,
IOV_RAMSIZE,
IOV_RAMSTART,
IOV_SLEEP_ALLOWED,
#ifdef BCMINTERNAL
IOV_PCIE_TX_LPBK,
#endif /* BCMINTERNAL */
IOV_PCIE_DMAXFER,
IOV_PCIE_SUSPEND,
#ifdef DHD_PCIE_REG_ACCESS
IOV_PCIEREG,
IOV_PCIECFGREG,
IOV_PCIECOREREG,
IOV_PCIESERDESREG,
IOV_PCIEASPM,
IOV_BAR0_SECWIN_REG,
IOV_SBREG,
#endif /* DHD_PCIE_REG_ACCESS */
IOV_DONGLEISOLATION,
IOV_LTRSLEEPON_UNLOOAD,
IOV_METADATA_DBG,
IOV_RX_METADATALEN,
IOV_TX_METADATALEN,
IOV_TXP_THRESHOLD,
IOV_BUZZZ_DUMP,
IOV_DUMP_RINGUPD_BLOCK,
IOV_DMA_RINGINDICES,
IOV_FORCE_FW_TRAP,
IOV_DB1_FOR_MB,
IOV_FLOW_PRIO_MAP,
#ifdef DHD_PCIE_RUNTIMEPM
IOV_IDLETIME,
#endif /* DHD_PCIE_RUNTIMEPM */
IOV_RXBOUND,
IOV_TXBOUND,
IOV_HANGREPORT,
IOV_H2D_MAILBOXDATA,
IOV_INFORINGS,
IOV_H2D_PHASE,
IOV_H2D_ENABLE_TRAP_BADPHASE,
IOV_H2D_TXPOST_MAX_ITEM,
#if defined(DHD_HTPUT_TUNABLES)
IOV_H2D_HTPUT_TXPOST_MAX_ITEM,
#endif /* DHD_HTPUT_TUNABLES */
IOV_TRAPDATA,
IOV_TRAPDATA_RAW,
IOV_CTO_PREVENTION,
#ifdef PCIE_OOB
IOV_OOB_BT_REG_ON,
IOV_OOB_ENABLE,
#endif /* PCIE_OOB */
#ifdef DEVICE_TX_STUCK_DETECT
IOV_DEVICE_TX_STUCK_DETECT,
#endif /* DEVICE_TX_STUCK_DETECT */
IOV_PCIE_WD_RESET,
IOV_DUMP_DONGLE,
#ifdef DHD_EFI
IOV_WIFI_PROPERTIES,
IOV_CONTROL_SIGNAL,
IOV_OTP_DUMP,
#ifdef BT_OVER_PCIE
IOV_BTOP_TEST,
#endif
#endif /* DHD_EFI */
IOV_IDMA_ENABLE,
IOV_IFRM_ENABLE,
IOV_CLEAR_RING,
IOV_DAR_ENABLE,
IOV_DHD_CAPS, /**< returns string with dhd capabilities */
#if defined(DEBUGGER) || defined(DHD_DSCOPE)
IOV_GDB_SERVER, /**< starts gdb server on given interface */
#endif /* DEBUGGER || DHD_DSCOPE */
#if defined(GDB_PROXY)
IOV_GDB_PROXY_PROBE, /**< gdb proxy support presence check */
IOV_GDB_PROXY_STOP_COUNT, /**< gdb proxy firmware stop count */
#endif /* GDB_PROXY */
IOV_INB_DW_ENABLE,
#if defined(PCIE_OOB) || defined(PCIE_INB_DW)
IOV_DEEP_SLEEP,
#endif /* PCIE_OOB || PCIE_INB_DW */
IOV_CTO_THRESHOLD,
#ifdef D2H_MINIDUMP
IOV_MINIDUMP_OVERRIDE,
#endif /* D2H_MINIDUMP */
#ifdef BCMINTERNAL
IOV_DMA_CHAN,
IOV_HYBRIDFW,
#endif /* BCMINTERNAL */
IOV_HSCBSIZE, /* get HSCB buffer size */
#ifdef DHD_BUS_MEM_ACCESS
IOV_HSCBBYTES, /* copy HSCB buffer */
#endif
#ifdef BCMINTERNAL
#ifdef DHD_FWTRACE
IOV_FWTRACE, /* Enable/disable firmware tracing */
#endif /* DHD_FWTRACE */
#endif /* BCMINTERNAL */
IOV_HP2P_ENABLE,
IOV_HP2P_PKT_THRESHOLD,
IOV_HP2P_TIME_THRESHOLD,
IOV_HP2P_PKT_EXPIRY,
IOV_HP2P_TXCPL_MAXITEMS,
IOV_HP2P_RXCPL_MAXITEMS,
IOV_EXTDTXS_IN_TXCPL,
IOV_HOSTRDY_AFTER_INIT,
#ifdef BCMINTERNAL
IOV_SBREG_64,
#endif /* BCMINTERNAL */
IOV_HP2P_MF_ENABLE,
IOV_PCIE_LAST /**< unused IOVAR */
};
const bcm_iovar_t dhdpcie_iovars[] = {
{"intr", IOV_INTR, 0, 0, IOVT_BOOL, 0 },
#ifdef DHD_BUS_MEM_ACCESS
{"membytes", IOV_MEMBYTES, 0, 0, IOVT_BUFFER, 2 * sizeof(int) },
#endif /* DHD_BUS_MEM_ACCESS */
{"memsize", IOV_MEMSIZE, 0, 0, IOVT_UINT32, 0 },
{"dwnldstate", IOV_SET_DOWNLOAD_STATE, 0, 0, IOVT_BOOL, 0 },
{"dwnldinfo", IOV_SET_DOWNLOAD_INFO, 0, 0, IOVT_BUFFER,
sizeof(fw_download_info_t) },
{"vars", IOV_VARS, 0, 0, IOVT_BUFFER, 0 },
{"devreset", IOV_DEVRESET, 0, 0, IOVT_UINT8, 0 },
{"pcie_device_trap", IOV_FORCE_FW_TRAP, 0, 0, 0, 0 },
{"pcie_lpbk", IOV_PCIE_LPBK, 0, 0, IOVT_UINT32, 0 },
#ifdef BCMINTERNAL
{"msi_sim", IOV_MSI_SIM, 0, 0, IOVT_BOOL, 0 },
#endif /* BCMINTERNAL */
{"cc_nvmshadow", IOV_CC_NVMSHADOW, 0, 0, IOVT_BUFFER, 0 },
{"ramsize", IOV_RAMSIZE, 0, 0, IOVT_UINT32, 0 },
{"ramstart", IOV_RAMSTART, 0, 0, IOVT_UINT32, 0 },
#ifdef DHD_PCIE_REG_ACCESS
{"pciereg", IOV_PCIEREG, 0, 0, IOVT_BUFFER, 2 * sizeof(int32) },
{"pciecfgreg", IOV_PCIECFGREG, DHD_IOVF_PWRREQ_BYPASS, 0, IOVT_BUFFER, 2 * sizeof(int32) },
{"pciecorereg", IOV_PCIECOREREG, 0, 0, IOVT_BUFFER, 2 * sizeof(int32) },
{"pcieserdesreg", IOV_PCIESERDESREG, 0, 0, IOVT_BUFFER, 3 * sizeof(int32) },
{"bar0secwinreg", IOV_BAR0_SECWIN_REG, 0, 0, IOVT_BUFFER, sizeof(sdreg_t) },
{"sbreg", IOV_SBREG, 0, 0, IOVT_BUFFER, sizeof(uint8) },
#endif /* DHD_PCIE_REG_ACCESS */
#ifdef BCMINTERNAL
{"pcie_tx_lpbk", IOV_PCIE_TX_LPBK, 0, 0, IOVT_UINT32, 0 },
#endif /* BCMINTERNAL */
{"pcie_dmaxfer", IOV_PCIE_DMAXFER, 0, 0, IOVT_BUFFER, sizeof(dma_xfer_info_t)},
{"pcie_suspend", IOV_PCIE_SUSPEND, DHD_IOVF_PWRREQ_BYPASS, 0, IOVT_UINT32, 0 },
#ifdef PCIE_OOB
{"oob_bt_reg_on", IOV_OOB_BT_REG_ON, 0, 0, IOVT_UINT32, 0 },
{"oob_enable", IOV_OOB_ENABLE, 0, 0, IOVT_UINT32, 0 },
#endif /* PCIE_OOB */
{"sleep_allowed", IOV_SLEEP_ALLOWED, 0, 0, IOVT_BOOL, 0 },
{"dngl_isolation", IOV_DONGLEISOLATION, 0, 0, IOVT_UINT32, 0 },
{"ltrsleep_on_unload", IOV_LTRSLEEPON_UNLOOAD, 0, 0, IOVT_UINT32, 0 },
{"dump_ringupdblk", IOV_DUMP_RINGUPD_BLOCK, 0, 0, IOVT_BUFFER, 0 },
{"dma_ring_indices", IOV_DMA_RINGINDICES, 0, 0, IOVT_UINT32, 0},
{"metadata_dbg", IOV_METADATA_DBG, 0, 0, IOVT_BOOL, 0 },
{"rx_metadata_len", IOV_RX_METADATALEN, 0, 0, IOVT_UINT32, 0 },
{"tx_metadata_len", IOV_TX_METADATALEN, 0, 0, IOVT_UINT32, 0 },
{"db1_for_mb", IOV_DB1_FOR_MB, 0, 0, IOVT_UINT32, 0 },
{"txp_thresh", IOV_TXP_THRESHOLD, 0, 0, IOVT_UINT32, 0 },
{"buzzz_dump", IOV_BUZZZ_DUMP, 0, 0, IOVT_UINT32, 0 },
{"flow_prio_map", IOV_FLOW_PRIO_MAP, 0, 0, IOVT_UINT32, 0 },
#ifdef DHD_PCIE_RUNTIMEPM
{"idletime", IOV_IDLETIME, 0, 0, IOVT_INT32, 0 },
#endif /* DHD_PCIE_RUNTIMEPM */
{"rxbound", IOV_RXBOUND, 0, 0, IOVT_UINT32, 0 },
{"txbound", IOV_TXBOUND, 0, 0, IOVT_UINT32, 0 },
#ifdef DHD_PCIE_REG_ACCESS
{"aspm", IOV_PCIEASPM, 0, 0, IOVT_INT32, 0 },
#endif /* DHD_PCIE_REG_ACCESS */
{"fw_hang_report", IOV_HANGREPORT, 0, 0, IOVT_BOOL, 0 },
{"h2d_mb_data", IOV_H2D_MAILBOXDATA, 0, 0, IOVT_UINT32, 0 },
{"inforings", IOV_INFORINGS, 0, 0, IOVT_UINT32, 0 },
{"h2d_phase", IOV_H2D_PHASE, 0, 0, IOVT_UINT32, 0 },
{"force_trap_bad_h2d_phase", IOV_H2D_ENABLE_TRAP_BADPHASE, 0, 0,
IOVT_UINT32, 0 },
{"h2d_max_txpost", IOV_H2D_TXPOST_MAX_ITEM, 0, 0, IOVT_UINT32, 0 },
#if defined(DHD_HTPUT_TUNABLES)
{"h2d_htput_max_txpost", IOV_H2D_HTPUT_TXPOST_MAX_ITEM, 0, 0, IOVT_UINT32, 0 },
#endif /* DHD_HTPUT_TUNABLES */
{"trap_data", IOV_TRAPDATA, 0, 0, IOVT_BUFFER, 0 },
{"trap_data_raw", IOV_TRAPDATA_RAW, 0, 0, IOVT_BUFFER, 0 },
{"cto_prevention", IOV_CTO_PREVENTION, 0, 0, IOVT_UINT32, 0 },
{"pcie_wd_reset", IOV_PCIE_WD_RESET, 0, 0, IOVT_BOOL, 0 },
#ifdef DEVICE_TX_STUCK_DETECT
{"dev_tx_stuck_monitor", IOV_DEVICE_TX_STUCK_DETECT, 0, 0, IOVT_UINT32, 0 },
#endif /* DEVICE_TX_STUCK_DETECT */
{"dump_dongle", IOV_DUMP_DONGLE, 0, 0, IOVT_BUFFER,
MAX(sizeof(dump_dongle_in_t), sizeof(dump_dongle_out_t))},
{"clear_ring", IOV_CLEAR_RING, 0, 0, IOVT_UINT32, 0 },
#ifdef DHD_EFI
{"properties", IOV_WIFI_PROPERTIES, 0, 0, IOVT_BUFFER, 0},
{"otp_dump", IOV_OTP_DUMP, 0, 0, IOVT_BUFFER, 0},
{"control_signal", IOV_CONTROL_SIGNAL, 0, 0, IOVT_UINT32, 0},
#ifdef BT_OVER_PCIE
{"btop_test", IOV_BTOP_TEST, 0, 0, IOVT_UINT32, 0},
#endif
#endif /* DHD_EFI */
{"idma_enable", IOV_IDMA_ENABLE, 0, 0, IOVT_UINT32, 0 },
{"ifrm_enable", IOV_IFRM_ENABLE, 0, 0, IOVT_UINT32, 0 },
{"dar_enable", IOV_DAR_ENABLE, 0, 0, IOVT_UINT32, 0 },
{"cap", IOV_DHD_CAPS, 0, 0, IOVT_BUFFER, 0},
#if defined(DEBUGGER) || defined(DHD_DSCOPE)
{"gdb_server", IOV_GDB_SERVER, 0, 0, IOVT_UINT32, 0 },
#endif /* DEBUGGER || DHD_DSCOPE */
#if defined(GDB_PROXY)
{"gdb_proxy_probe", IOV_GDB_PROXY_PROBE, 0, 0, IOVT_BUFFER, 2 * sizeof(int32) },
{"gdb_proxy_stop_count", IOV_GDB_PROXY_STOP_COUNT, 0, 0, IOVT_UINT32, 0 },
#endif /* GDB_PROXY */
{"inb_dw_enable", IOV_INB_DW_ENABLE, 0, 0, IOVT_UINT32, 0 },
#if defined(PCIE_OOB) || defined(PCIE_INB_DW)
{"deep_sleep", IOV_DEEP_SLEEP, 0, 0, IOVT_UINT32, 0},
#endif /* PCIE_OOB || PCIE_INB_DW */
{"cto_threshold", IOV_CTO_THRESHOLD, 0, 0, IOVT_UINT32, 0 },
#ifdef D2H_MINIDUMP
{"minidump_override", IOV_MINIDUMP_OVERRIDE, 0, 0, IOVT_UINT32, 0 },
#endif /* D2H_MINIDUMP */
#ifdef BCMINTERNAL
{"dma_chan_db0", IOV_DMA_CHAN, 0, 0, IOVT_UINT32, 0 },
{"hybridfw", IOV_HYBRIDFW, 0, 0, IOVT_BUFFER, 0 },
#endif /* BCMINTERNAL */
{"hscbsize", IOV_HSCBSIZE, 0, 0, IOVT_UINT32, 0 },
#ifdef DHD_BUS_MEM_ACCESS
{"hscbbytes", IOV_HSCBBYTES, 0, 0, IOVT_BUFFER, 2 * sizeof(int32) },
#endif
#ifdef BCMINTERNAL
#ifdef DHD_FWTRACE
{"fwtrace", IOV_FWTRACE, 0, 0, IOVT_UINT32, 0 },
#endif /* DHD_FWTRACE */
#endif /* BCMINTERNAL */
#ifdef DHD_HP2P
{"hp2p_enable", IOV_HP2P_ENABLE, 0, 0, IOVT_UINT32, 0 },
{"hp2p_pkt_thresh", IOV_HP2P_PKT_THRESHOLD, 0, 0, IOVT_UINT32, 0 },
{"hp2p_time_thresh", IOV_HP2P_TIME_THRESHOLD, 0, 0, IOVT_UINT32, 0 },
{"hp2p_pkt_expiry", IOV_HP2P_PKT_EXPIRY, 0, 0, IOVT_UINT32, 0 },
{"hp2p_txcpl_maxitems", IOV_HP2P_TXCPL_MAXITEMS, 0, 0, IOVT_UINT32, 0 },
{"hp2p_rxcpl_maxitems", IOV_HP2P_RXCPL_MAXITEMS, 0, 0, IOVT_UINT32, 0 },
#endif /* DHD_HP2P */
{"extdtxs_in_txcpl", IOV_EXTDTXS_IN_TXCPL, 0, 0, IOVT_UINT32, 0 },
{"hostrdy_after_init", IOV_HOSTRDY_AFTER_INIT, 0, 0, IOVT_UINT32, 0 },
#ifdef BCMINTERNAL
{"sbreg_64", IOV_SBREG_64, 0, 0, IOVT_BUFFER, sizeof(uint8) },
#endif /* BCMINTERNAL */
{"hp2p_mf_enable", IOV_HP2P_MF_ENABLE, 0, 0, IOVT_UINT32, 0 },
{NULL, 0, 0, 0, 0, 0 }
};
#ifdef BCMINTERNAL
#define MSI_SIM_BUFSIZE 64
#define PCIE_CFG_MSICAP_OFFSET 0x58
#define PCIE_CFG_MSIADDR_LOW_OFFSET 0x5C
#define PCIE_CFG_MSIDATA_OFFSET 0x64
#define PCIE_CFG_MSI_GENDATA 0x5678
#define PCIE_CFG_MSICAP_ENABLE_MSI 0x816805
#define PCIE_CFG_MSICAP_DISABLE_MSI 0x806805
#endif
#ifdef BCMQT_HW
#define MAX_READ_TIMEOUT 100 * 1000 /* 100 ms in dongle time */
#elif defined(NDIS)
#define MAX_READ_TIMEOUT 5 * 1000 * 1000
#else
#define MAX_READ_TIMEOUT 2 * 1000 * 1000
#endif
#ifndef DHD_RXBOUND
#define DHD_RXBOUND 64
#endif
#ifndef DHD_TXBOUND
#define DHD_TXBOUND 64
#endif
#define DHD_INFORING_BOUND 32
#define DHD_BTLOGRING_BOUND 32
uint dhd_rxbound = DHD_RXBOUND;
uint dhd_txbound = DHD_TXBOUND;
#if defined(DEBUGGER) || defined(DHD_DSCOPE)
/** the GDB debugger layer will call back into this (bus) layer to read/write dongle memory */
static struct dhd_gdb_bus_ops_s bus_ops = {
.read_u16 = dhdpcie_bus_rtcm16,
.read_u32 = dhdpcie_bus_rtcm32,
.write_u32 = dhdpcie_bus_wtcm32,
};
#endif /* DEBUGGER || DHD_DSCOPE */
bool
dhd_bus_get_flr_force_fail(struct dhd_bus *bus)
{
return bus->flr_force_fail;
}
/**
* Register/Unregister functions are called by the main DHD entry point (eg module insertion) to
* link with the bus driver, in order to look for or await the device.
*/
int
dhd_bus_register(void)
{
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
return dhdpcie_bus_register();
}
void
dhd_bus_unregister(void)
{
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
dhdpcie_bus_unregister();
return;
}
/** returns a host virtual address */
uint32 *
dhdpcie_bus_reg_map(osl_t *osh, ulong addr, int size)
{
return (uint32 *)REG_MAP(addr, size);
}
void
dhdpcie_bus_reg_unmap(osl_t *osh, volatile char *addr, int size)
{
REG_UNMAP(addr);
return;
}
/**
* retrun H2D Doorbell registers address
* use DAR registers instead of enum register for corerev >= 23 (4347B0)
*/
static INLINE uint
dhd_bus_db0_addr_get(struct dhd_bus *bus)
{
uint addr = PCIH2D_MailBox;
uint dar_addr = DAR_PCIH2D_DB0_0(bus->sih->buscorerev);
#ifdef BCMINTERNAL
if (bus->dma_chan == 1) {
addr = PCIH2D_MailBox_1;
dar_addr = DAR_PCIH2D_DB1_0(bus->sih->buscorerev);
} else if (bus->dma_chan == 2) {
addr = PCIH2D_MailBox_2;
dar_addr = DAR_PCIH2D_DB2_0(bus->sih->buscorerev);
}
#endif /* BCMINTERNAL */
return ((DAR_ACTIVE(bus->dhd)) ? dar_addr : addr);
}
static INLINE uint
dhd_bus_db0_addr_2_get(struct dhd_bus *bus)
{
return ((DAR_ACTIVE(bus->dhd)) ? DAR_PCIH2D_DB2_0(bus->sih->buscorerev) : PCIH2D_MailBox_2);
}
static INLINE uint
dhd_bus_db1_addr_get(struct dhd_bus *bus)
{
return ((DAR_ACTIVE(bus->dhd)) ? DAR_PCIH2D_DB0_1(bus->sih->buscorerev) : PCIH2D_DB1);
}
static INLINE uint
dhd_bus_db1_addr_3_get(struct dhd_bus *bus)
{
return ((DAR_ACTIVE(bus->dhd)) ? DAR_PCIH2D_DB3_1(bus->sih->buscorerev) : PCIH2D_DB1_3);
}
static void
dhd_init_pwr_req_lock(dhd_bus_t *bus)
{
if (!bus->pwr_req_lock) {
bus->pwr_req_lock = osl_spin_lock_init(bus->osh);
}
}
static void
dhd_deinit_pwr_req_lock(dhd_bus_t *bus)
{
if (bus->pwr_req_lock) {
osl_spin_lock_deinit(bus->osh, bus->pwr_req_lock);
bus->pwr_req_lock = NULL;
}
}
#ifdef PCIE_INB_DW
void
dhdpcie_set_dongle_deepsleep(dhd_bus_t *bus, bool val)
{
ulong flags_ds;
if (INBAND_DW_ENAB(bus)) {
DHD_BUS_DONGLE_DS_LOCK(bus->dongle_ds_lock, flags_ds);
bus->dongle_in_deepsleep = val;
DHD_BUS_DONGLE_DS_UNLOCK(bus->dongle_ds_lock, flags_ds);
}
}
void
dhd_init_dongle_ds_lock(dhd_bus_t *bus)
{
if (!bus->dongle_ds_lock) {
bus->dongle_ds_lock = osl_spin_lock_init(bus->osh);
}
}
void
dhd_deinit_dongle_ds_lock(dhd_bus_t *bus)
{
if (bus->dongle_ds_lock) {
osl_spin_lock_deinit(bus->osh, bus->dongle_ds_lock);
bus->dongle_ds_lock = NULL;
}
}
#endif /* PCIE_INB_DW */
/*
* WAR for SWWLAN-215055 - [4378B0] ARM fails to boot without DAR WL domain request
*/
static INLINE void
dhd_bus_pcie_pwr_req_wl_domain(struct dhd_bus *bus, uint offset, bool enable)
{
if (enable) {
si_corereg(bus->sih, bus->sih->buscoreidx, offset,
SRPWR_DMN1_ARMBPSD_MASK << SRPWR_REQON_SHIFT,
SRPWR_DMN1_ARMBPSD_MASK << SRPWR_REQON_SHIFT);
} else {
si_corereg(bus->sih, bus->sih->buscoreidx, offset,
SRPWR_DMN1_ARMBPSD_MASK << SRPWR_REQON_SHIFT, 0);
}
}
static INLINE void
_dhd_bus_pcie_pwr_req_clear_cmn(struct dhd_bus *bus)
{
uint mask;
/*
* If multiple de-asserts, decrement ref and return
* Clear power request when only one pending
* so initial request is not removed unexpectedly
*/
if (bus->pwr_req_ref > 1) {
bus->pwr_req_ref--;
return;
}
ASSERT(bus->pwr_req_ref == 1);
if (MULTIBP_ENAB(bus->sih)) {
/* Common BP controlled by HW so only need to toggle WL/ARM backplane */
mask = SRPWR_DMN1_ARMBPSD_MASK;
} else {
mask = SRPWR_DMN0_PCIE_MASK | SRPWR_DMN1_ARMBPSD_MASK;
}
si_srpwr_request(bus->sih, mask, 0);
bus->pwr_req_ref = 0;
}
static INLINE void
dhd_bus_pcie_pwr_req_clear(struct dhd_bus *bus)
{
unsigned long flags = 0;
DHD_BUS_PWR_REQ_LOCK(bus->pwr_req_lock, flags);
_dhd_bus_pcie_pwr_req_clear_cmn(bus);
DHD_BUS_PWR_REQ_UNLOCK(bus->pwr_req_lock, flags);
}
static INLINE void
dhd_bus_pcie_pwr_req_clear_nolock(struct dhd_bus *bus)
{
_dhd_bus_pcie_pwr_req_clear_cmn(bus);
}
static INLINE void
_dhd_bus_pcie_pwr_req_cmn(struct dhd_bus *bus)
{
uint mask, val;
/* If multiple request entries, increment reference and return */
if (bus->pwr_req_ref > 0) {
bus->pwr_req_ref++;
return;
}
ASSERT(bus->pwr_req_ref == 0);
if (MULTIBP_ENAB(bus->sih)) {
/* Common BP controlled by HW so only need to toggle WL/ARM backplane */
mask = SRPWR_DMN1_ARMBPSD_MASK;
val = SRPWR_DMN1_ARMBPSD_MASK;
} else {
mask = SRPWR_DMN0_PCIE_MASK | SRPWR_DMN1_ARMBPSD_MASK;
val = SRPWR_DMN0_PCIE_MASK | SRPWR_DMN1_ARMBPSD_MASK;
}
si_srpwr_request(bus->sih, mask, val);
bus->pwr_req_ref = 1;
}
static INLINE void
dhd_bus_pcie_pwr_req(struct dhd_bus *bus)
{
unsigned long flags = 0;
DHD_BUS_PWR_REQ_LOCK(bus->pwr_req_lock, flags);
_dhd_bus_pcie_pwr_req_cmn(bus);
DHD_BUS_PWR_REQ_UNLOCK(bus->pwr_req_lock, flags);
}
static INLINE void
_dhd_bus_pcie_pwr_req_pd0123_cmn(struct dhd_bus *bus)
{
uint mask, val;
mask = SRPWR_DMN_ALL_MASK(bus->sih);
val = SRPWR_DMN_ALL_MASK(bus->sih);
si_srpwr_request(bus->sih, mask, val);
}
void
dhd_bus_pcie_pwr_req_reload_war(struct dhd_bus *bus)
{
unsigned long flags = 0;
/*
* Few corerevs need the power domain to be active for FLR.
* Return if the pwr req is not applicable for the corerev
*/
if (!(PCIE_PWR_REQ_RELOAD_WAR_ENAB(bus->sih->buscorerev))) {
return;
}
DHD_BUS_PWR_REQ_LOCK(bus->pwr_req_lock, flags);
_dhd_bus_pcie_pwr_req_pd0123_cmn(bus);
DHD_BUS_PWR_REQ_UNLOCK(bus->pwr_req_lock, flags);
}
static INLINE void
_dhd_bus_pcie_pwr_req_clear_pd0123_cmn(struct dhd_bus *bus)
{
uint mask;
mask = SRPWR_DMN_ALL_MASK(bus->sih);
si_srpwr_request(bus->sih, mask, 0);
}
void
dhd_bus_pcie_pwr_req_clear_reload_war(struct dhd_bus *bus)
{
unsigned long flags = 0;
/* return if the pwr clear is not applicable for the corerev */
if (!(PCIE_PWR_REQ_RELOAD_WAR_ENAB(bus->sih->buscorerev))) {
return;
}
DHD_BUS_PWR_REQ_LOCK(bus->pwr_req_lock, flags);
_dhd_bus_pcie_pwr_req_clear_pd0123_cmn(bus);
DHD_BUS_PWR_REQ_UNLOCK(bus->pwr_req_lock, flags);
}
static INLINE void
dhd_bus_pcie_pwr_req_nolock(struct dhd_bus *bus)
{
_dhd_bus_pcie_pwr_req_cmn(bus);
}
bool
dhdpcie_chip_support_msi(dhd_bus_t *bus)
{
/* XXX For chips with buscorerev <= 14 intstatus
* is not getting cleared from these firmwares.
* Either host can read and clear intstatus for these
* or not enable MSI at all.
* Here option 2 of not enabling MSI is choosen.
* Also for hw4 chips, msi is not enabled.
*/
DHD_INFO(("%s: buscorerev=%d chipid=0x%x\n",
__FUNCTION__, bus->sih->buscorerev, si_chipid(bus->sih)));
if (bus->sih->buscorerev <= 14 ||
si_chipid(bus->sih) == BCM4389_CHIP_ID ||
si_chipid(bus->sih) == BCM4385_CHIP_ID ||
si_chipid(bus->sih) == BCM4375_CHIP_ID ||
si_chipid(bus->sih) == BCM4376_CHIP_ID ||
si_chipid(bus->sih) == BCM4362_CHIP_ID ||
si_chipid(bus->sih) == BCM43751_CHIP_ID ||
si_chipid(bus->sih) == BCM43752_CHIP_ID ||
si_chipid(bus->sih) == BCM4361_CHIP_ID ||
si_chipid(bus->sih) == BCM4359_CHIP_ID) {
return FALSE;
} else {
return TRUE;
}
}
/**
* Called once for each hardware (dongle) instance that this DHD manages.
*
* 'regs' is the host virtual address that maps to the start of the PCIe BAR0 window. The first 4096
* bytes in this window are mapped to the backplane address in the PCIEBAR0Window register. The
* precondition is that the PCIEBAR0Window register 'points' at the PCIe core.
*
* 'tcm' is the *host* virtual address at which tcm is mapped.
*/
int dhdpcie_bus_attach(osl_t *osh, dhd_bus_t **bus_ptr,
volatile char *regs, volatile char *tcm, void *pci_dev, wifi_adapter_info_t *adapter)
{
dhd_bus_t *bus = NULL;
int ret = BCME_OK;
DHD_TRACE(("%s: ENTER\n", __FUNCTION__));
do {
if (!(bus = MALLOCZ(osh, sizeof(dhd_bus_t)))) {
DHD_ERROR(("%s: MALLOC of dhd_bus_t failed\n", __FUNCTION__));
ret = BCME_NORESOURCE;
break;
}
bus->bus = adapter->bus_type;
bus->bus_num = adapter->bus_num;
bus->slot_num = adapter->slot_num;
bus->regs = regs;
bus->tcm = tcm;
bus->osh = osh;
#ifndef NDIS
/* Save pci_dev into dhd_bus, as it may be needed in dhd_attach */
bus->dev = (struct pci_dev *)pci_dev;
#endif
#ifdef DHD_EFI
bus->pcie_dev = pci_dev;
#endif
dll_init(&bus->flowring_active_list);
#ifdef IDLE_TX_FLOW_MGMT
bus->active_list_last_process_ts = OSL_SYSUPTIME();
#endif /* IDLE_TX_FLOW_MGMT */
#ifdef DEVICE_TX_STUCK_DETECT
/* Enable the Device stuck detection feature by default */
bus->dev_tx_stuck_monitor = TRUE;
bus->device_tx_stuck_check = OSL_SYSUPTIME();
#endif /* DEVICE_TX_STUCK_DETECT */
/* Attach pcie shared structure */
if (!(bus->pcie_sh = MALLOCZ(osh, sizeof(pciedev_shared_t)))) {
DHD_ERROR(("%s: MALLOC of bus->pcie_sh failed\n", __FUNCTION__));
ret = BCME_NORESOURCE;
break;
}
/* dhd_common_init(osh); */
if (dhdpcie_dongle_attach(bus)) {
DHD_ERROR(("%s: dhdpcie_probe_attach failed\n", __FUNCTION__));
ret = BCME_NOTREADY;
break;
}
/* software resources */
if (!(bus->dhd = dhd_attach(osh, bus, PCMSGBUF_HDRLEN))) {
DHD_ERROR(("%s: dhd_attach failed\n", __FUNCTION__));
ret = BCME_NORESOURCE;
break;
}
#if defined(GET_OTP_MAC_ENABLE) || defined(GET_OTP_MODULE_NAME)
dhd_conf_get_otp(bus->dhd, bus->sih);
#endif
DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__));
bus->dhd->busstate = DHD_BUS_DOWN;
bus->dhd->hostrdy_after_init = TRUE;
bus->db1_for_mb = TRUE;
bus->dhd->hang_report = TRUE;
bus->use_mailbox = FALSE;
bus->use_d0_inform = FALSE;
bus->intr_enabled = FALSE;
bus->flr_force_fail = FALSE;
/* update the dma indices if set through module parameter. */
if (dma_ring_indices != 0) {
dhdpcie_set_dma_ring_indices(bus->dhd, dma_ring_indices);
}
/* update h2d phase support if set through module parameter */
bus->dhd->h2d_phase_supported = h2d_phase ? TRUE : FALSE;
/* update force trap on bad phase if set through module parameter */
bus->dhd->force_dongletrap_on_bad_h2d_phase =
force_trap_bad_h2d_phase ? TRUE : FALSE;
#ifdef BTLOG
bus->dhd->bt_logging_enabled = TRUE;
#endif
#ifdef IDLE_TX_FLOW_MGMT
bus->enable_idle_flowring_mgmt = FALSE;
#endif /* IDLE_TX_FLOW_MGMT */
bus->irq_registered = FALSE;
#ifdef DHD_MSI_SUPPORT
bus->d2h_intr_method = enable_msi && dhdpcie_chip_support_msi(bus) ?
PCIE_MSI : PCIE_INTX;
if (bus->dhd->conf->d2h_intr_method >= 0)
bus->d2h_intr_method = bus->dhd->conf->d2h_intr_method;
#else
bus->d2h_intr_method = PCIE_INTX;
#endif /* DHD_MSI_SUPPORT */
#ifdef DHD_HP2P
bus->hp2p_txcpl_max_items = DHD_MAX_ITEMS_HPP_TXCPL_RING;
bus->hp2p_rxcpl_max_items = DHD_MAX_ITEMS_HPP_RXCPL_RING;
#endif /* DHD_HP2P */
DHD_TRACE(("%s: EXIT SUCCESS\n",
__FUNCTION__));
g_dhd_bus = bus;
*bus_ptr = bus;
return ret;
} while (0);
DHD_TRACE(("%s: EXIT FAILURE\n", __FUNCTION__));
#ifdef DHD_EFI
/* for EFI even if there is an error, load still succeeds
* so 'bus' should not be freed here, it is freed during unload
*/
if (bus) {
*bus_ptr = bus;
}
#else
if (bus && bus->pcie_sh) {
MFREE(osh, bus->pcie_sh, sizeof(pciedev_shared_t));
}
if (bus) {
MFREE(osh, bus, sizeof(dhd_bus_t));
}
#endif /* DHD_EFI */
return ret;
}
bool
dhd_bus_skip_clm(dhd_pub_t *dhdp)
{
switch (dhd_bus_chip_id(dhdp)) {
case BCM4369_CHIP_ID:
return TRUE;
default:
return FALSE;
}
}
uint
dhd_bus_chip(struct dhd_bus *bus)
{
ASSERT(bus->sih != NULL);
return bus->sih->chip;
}
uint
dhd_bus_chiprev(struct dhd_bus *bus)
{
ASSERT(bus);
ASSERT(bus->sih != NULL);
return bus->sih->chiprev;
}
void *
dhd_bus_pub(struct dhd_bus *bus)
{
return bus->dhd;
}
void *
dhd_bus_sih(struct dhd_bus *bus)
{
return (void *)bus->sih;
}
void *
dhd_bus_txq(struct dhd_bus *bus)
{
return &bus->txq;
}
/** Get Chip ID version */
uint dhd_bus_chip_id(dhd_pub_t *dhdp)
{
dhd_bus_t *bus = dhdp->bus;
return bus->sih->chip;
}
/** Get Chip Rev ID version */
uint dhd_bus_chiprev_id(dhd_pub_t *dhdp)
{
dhd_bus_t *bus = dhdp->bus;
return bus->sih->chiprev;
}
/** Get Chip Pkg ID version */
uint dhd_bus_chippkg_id(dhd_pub_t *dhdp)
{
dhd_bus_t *bus = dhdp->bus;
return bus->sih->chippkg;
}
int dhd_bus_get_ids(struct dhd_bus *bus, uint32 *bus_type, uint32 *bus_num, uint32 *slot_num)
{
*bus_type = bus->bus;
*bus_num = bus->bus_num;
*slot_num = bus->slot_num;
return 0;
}
/** Conduct Loopback test */
int
dhd_bus_dmaxfer_lpbk(dhd_pub_t *dhdp, uint32 type)
{
dma_xfer_info_t dmaxfer_lpbk;
int ret = BCME_OK;
#define PCIE_DMAXFER_LPBK_LENGTH 4096
memset(&dmaxfer_lpbk, 0, sizeof(dma_xfer_info_t));
dmaxfer_lpbk.version = DHD_DMAXFER_VERSION;
dmaxfer_lpbk.length = (uint16)sizeof(dma_xfer_info_t);
dmaxfer_lpbk.num_bytes = PCIE_DMAXFER_LPBK_LENGTH;
dmaxfer_lpbk.type = type;
dmaxfer_lpbk.should_wait = TRUE;
ret = dhd_bus_iovar_op(dhdp, "pcie_dmaxfer", NULL, 0,
(char *)&dmaxfer_lpbk, sizeof(dma_xfer_info_t), IOV_SET);
if (ret < 0) {
DHD_ERROR(("failed to start PCIe Loopback Test!!! "
"Type:%d Reason:%d\n", type, ret));
return ret;
}
if (dmaxfer_lpbk.status != DMA_XFER_SUCCESS) {
DHD_ERROR(("failed to check PCIe Loopback Test!!! "
"Type:%d Status:%d Error code:%d\n", type,
dmaxfer_lpbk.status, dmaxfer_lpbk.error_code));
ret = BCME_ERROR;
} else {
DHD_ERROR(("successful to check PCIe Loopback Test"
" Type:%d\n", type));
}
#undef PCIE_DMAXFER_LPBK_LENGTH
return ret;
}
/* Check if there is DPC scheduling errors */
bool
dhd_bus_query_dpc_sched_errors(dhd_pub_t *dhdp)
{
dhd_bus_t *bus = dhdp->bus;
bool sched_err;
if (bus->dpc_entry_time < bus->isr_exit_time) {
/* Kernel doesn't schedule the DPC after processing PCIe IRQ */
sched_err = TRUE;
} else if (bus->dpc_entry_time < bus->resched_dpc_time) {
/* Kernel doesn't schedule the DPC after DHD tries to reschedule
* the DPC due to pending work items to be processed.
*/
sched_err = TRUE;
} else {
sched_err = FALSE;
}
if (sched_err) {
/* print out minimum timestamp info */
DHD_ERROR(("isr_entry_time="SEC_USEC_FMT
" isr_exit_time="SEC_USEC_FMT
" dpc_entry_time="SEC_USEC_FMT
"\ndpc_exit_time="SEC_USEC_FMT
" isr_sched_dpc_time="SEC_USEC_FMT
" resched_dpc_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->isr_entry_time),
GET_SEC_USEC(bus->isr_exit_time),
GET_SEC_USEC(bus->dpc_entry_time),
GET_SEC_USEC(bus->dpc_exit_time),
GET_SEC_USEC(bus->isr_sched_dpc_time),
GET_SEC_USEC(bus->resched_dpc_time)));
}
return sched_err;
}
/** Read and clear intstatus. This should be called with interrupts disabled or inside isr */
uint32
dhdpcie_bus_intstatus(dhd_bus_t *bus)
{
uint32 intstatus = 0;
uint32 intmask = 0;
if (__DHD_CHK_BUS_LPS_D3_ACKED(bus)) {
#ifdef DHD_EFI
DHD_INFO(("%s: trying to clear intstatus after D3 Ack\n", __FUNCTION__));
#else
DHD_ERROR(("%s: trying to clear intstatus after D3 Ack\n", __FUNCTION__));
#endif /* !DHD_EFI */
return intstatus;
}
/* XXX: check for PCIE Gen2 also */
if ((bus->sih->buscorerev == 6) || (bus->sih->buscorerev == 4) ||
(bus->sih->buscorerev == 2)) {
intstatus = dhdpcie_bus_cfg_read_dword(bus, PCIIntstatus, 4);
dhdpcie_bus_cfg_write_dword(bus, PCIIntstatus, 4, intstatus);
intstatus &= I_MB;
} else {
/* this is a PCIE core register..not a config register... */
intstatus = si_corereg(bus->sih, bus->sih->buscoreidx, bus->pcie_mailbox_int, 0, 0);
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(bus, bus->pcie_mailbox_int, intstatus, FALSE);
#endif /* defined(DHD_MMIO_TRACE) */
/* this is a PCIE core register..not a config register... */
intmask = si_corereg(bus->sih, bus->sih->buscoreidx, bus->pcie_mailbox_mask, 0, 0);
/* Is device removed. intstatus & intmask read 0xffffffff */
if (intstatus == (uint32)-1 || intmask == (uint32)-1) {
DHD_ERROR(("%s: Device is removed or Link is down.\n", __FUNCTION__));
DHD_ERROR(("%s: INTSTAT : 0x%x INTMASK : 0x%x.\n",
__FUNCTION__, intstatus, intmask));
bus->is_linkdown = TRUE;
dhd_pcie_debug_info_dump(bus->dhd);
#ifdef CUSTOMER_HW4_DEBUG
#if defined(OEM_ANDROID)
#ifdef SUPPORT_LINKDOWN_RECOVERY
#ifdef CONFIG_ARCH_MSM
bus->no_cfg_restore = 1;
#endif /* CONFIG_ARCH_MSM */
#endif /* SUPPORT_LINKDOWN_RECOVERY */
bus->dhd->hang_reason = HANG_REASON_PCIE_LINK_DOWN_EP_DETECT;
#ifdef WL_CFGVENDOR_SEND_HANG_EVENT
copy_hang_info_linkdown(bus->dhd);
#endif /* WL_CFGVENDOR_SEND_HANG_EVENT */
dhd_os_send_hang_message(bus->dhd);
#endif /* OEM_ANDROID */
#endif /* CUSTOMER_HW4_DEBUG */
return intstatus;
}
#ifndef DHD_READ_INTSTATUS_IN_DPC
intstatus &= intmask;
#endif /* DHD_READ_INTSTATUS_IN_DPC */
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(bus, bus->pcie_mailbox_mask, intmask, FALSE);
#endif /* defined(DHD_MMIO_TRACE) */
/* XXX: define the mask in a .h file */
/*
* The fourth argument to si_corereg is the "mask" fields of the register to update
* and the fifth field is the "value" to update. Now if we are interested in only
* few fields of the "mask" bit map, we should not be writing back what we read
* By doing so, we might clear/ack interrupts that are not handled yet.
*/
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(bus, bus->pcie_mailbox_int, intstatus, TRUE);
#endif /* defined(DHD_MMIO_TRACE) */
si_corereg(bus->sih, bus->sih->buscoreidx, bus->pcie_mailbox_int, bus->def_intmask,
intstatus);
intstatus &= bus->def_intmask;
}
return intstatus;
}
void
dhdpcie_cto_recovery_handler(dhd_pub_t *dhd)
{
dhd_bus_t *bus = dhd->bus;
int ret;
/* Disable PCIe Runtime PM to avoid D3_ACK timeout.
*/
DHD_DISABLE_RUNTIME_PM(dhd);
/* Sleep for 1 seconds so that any AXI timeout
* if running on ALP clock also will be captured
*/
OSL_SLEEP(1000);
/* reset backplane and cto,
* then access through pcie is recovered.
*/
ret = dhdpcie_cto_error_recovery(bus);
if (!ret) {
/* Waiting for backplane reset */
OSL_SLEEP(10);
/* Dump debug Info */
dhd_prot_debug_info_print(bus->dhd);
/* Dump console buffer */
dhd_bus_dump_console_buffer(bus);
#if defined(DHD_FW_COREDUMP)
/* save core dump or write to a file */
if (!bus->is_linkdown && bus->dhd->memdump_enabled) {
#ifdef DHD_SSSR_DUMP
DHD_ERROR(("%s : Set collect_sssr as TRUE\n", __FUNCTION__));
bus->dhd->collect_sssr = TRUE;
#endif /* DHD_SSSR_DUMP */
bus->dhd->memdump_type = DUMP_TYPE_CTO_RECOVERY;
dhdpcie_mem_dump(bus);
}
#endif /* DHD_FW_COREDUMP */
}
#ifdef OEM_ANDROID
#ifdef SUPPORT_LINKDOWN_RECOVERY
#ifdef CONFIG_ARCH_MSM
bus->no_cfg_restore = 1;
#endif /* CONFIG_ARCH_MSM */
#endif /* SUPPORT_LINKDOWN_RECOVERY */
bus->is_linkdown = TRUE;
bus->dhd->hang_reason = HANG_REASON_PCIE_CTO_DETECT;
/* Send HANG event */
dhd_os_send_hang_message(bus->dhd);
#endif /* OEM_ANDROID */
}
void
dhd_bus_dump_imp_cfg_registers(struct dhd_bus *bus)
{
uint32 status_cmd = dhd_pcie_config_read(bus, PCIECFGREG_STATUS_CMD, sizeof(uint32));
uint32 pmcsr = dhd_pcie_config_read(bus, PCIE_CFG_PMCSR, sizeof(uint32));
uint32 base_addr0 = dhd_pcie_config_read(bus, PCIECFGREG_BASEADDR0, sizeof(uint32));
uint32 base_addr1 = dhd_pcie_config_read(bus, PCIECFGREG_BASEADDR1, sizeof(uint32));
uint32 linkctl = dhd_pcie_config_read(bus, PCIECFGREG_LINK_STATUS_CTRL, sizeof(uint32));
uint32 l1ssctrl =
dhd_pcie_config_read(bus, PCIECFGREG_PML1_SUB_CTRL1, sizeof(uint32));
uint32 devctl = dhd_pcie_config_read(bus, PCIECFGREG_DEV_STATUS_CTRL, sizeof(uint32));
uint32 devctl2 = dhd_pcie_config_read(bus, PCIECFGGEN_DEV_STATUS_CTRL2, sizeof(uint32));
DHD_ERROR(("status_cmd(0x%x)=0x%x, pmcsr(0x%x)=0x%x "
"base_addr0(0x%x)=0x%x base_addr1(0x%x)=0x%x "
"linkctl(0x%x)=0x%x l1ssctrl(0x%x)=0x%x "
"devctl(0x%x)=0x%x devctl2(0x%x)=0x%x \n",
PCIECFGREG_STATUS_CMD, status_cmd,
PCIE_CFG_PMCSR, pmcsr,
PCIECFGREG_BASEADDR0, base_addr0,
PCIECFGREG_BASEADDR1, base_addr1,
PCIECFGREG_LINK_STATUS_CTRL, linkctl,
PCIECFGREG_PML1_SUB_CTRL1, l1ssctrl,
PCIECFGREG_DEV_STATUS_CTRL, devctl,
PCIECFGGEN_DEV_STATUS_CTRL2, devctl2));
}
/**
* Name: dhdpcie_bus_isr
* Parameters:
* 1: IN int irq -- interrupt vector
* 2: IN void *arg -- handle to private data structure
* Return value:
* Status (TRUE or FALSE)
*
* Description:
* Interrupt Service routine checks for the status register,
* disable interrupt and queue DPC if mail box interrupts are raised.
*/
int32
dhdpcie_bus_isr(dhd_bus_t *bus)
{
uint32 intstatus = 0;
do {
DHD_INTR(("%s: Enter\n", __FUNCTION__));
/* verify argument */
if (!bus) {
DHD_LOG_MEM(("%s : bus is null pointer, exit \n", __FUNCTION__));
break;
}
if (bus->dhd->dongle_reset) {
DHD_LOG_MEM(("%s : dongle is reset\n", __FUNCTION__));
break;
}
if (bus->dhd->busstate == DHD_BUS_DOWN) {
DHD_LOG_MEM(("%s : bus is down \n", __FUNCTION__));
break;
}
/* avoid processing of interrupts until msgbuf prot is inited */
if (!bus->intr_enabled) {
DHD_INFO(("%s, not ready to receive interrupts\n", __FUNCTION__));
break;
}
if (PCIECTO_ENAB(bus)) {
/* read pci_intstatus */
intstatus = dhdpcie_bus_cfg_read_dword(bus, PCI_INT_STATUS, 4);
if (intstatus == (uint32)-1) {
DHD_ERROR(("%s : Invalid intstatus for cto recovery\n",
__FUNCTION__));
bus->is_linkdown = 1;
dhdpcie_disable_irq_nosync(bus);
dhd_prot_debug_info_print(bus->dhd);
break;
}
if (intstatus & PCI_CTO_INT_MASK) {
DHD_ERROR(("%s: ##### CTO RECOVERY REPORTED BY DONGLE "
"intstat=0x%x enab=%d\n", __FUNCTION__,
intstatus, bus->cto_enable));
bus->cto_triggered = 1;
dhd_bus_dump_imp_cfg_registers(bus);
/*
* DAR still accessible
*/
dhd_bus_dump_dar_registers(bus);
/* Disable further PCIe interrupts */
#ifndef NDIS
dhdpcie_disable_irq_nosync(bus); /* Disable interrupt!! */
#endif
/* Stop Tx flow */
dhd_bus_stop_queue(bus);
/* Schedule CTO recovery */
dhd_schedule_cto_recovery(bus->dhd);
return TRUE;
}
}
if (bus->d2h_intr_method == PCIE_MSI &&
!dhd_conf_legacy_msi_chip(bus->dhd)) {
/* For MSI, as intstatus is cleared by firmware, no need to read */
goto skip_intstatus_read;
}
#ifndef DHD_READ_INTSTATUS_IN_DPC
intstatus = dhdpcie_bus_intstatus(bus);
/* Check if the interrupt is ours or not */
if (intstatus == 0) {
bus->non_ours_irq_count++;
bus->last_non_ours_irq_time = OSL_LOCALTIME_NS();
break;
}
/* save the intstatus */
/* read interrupt status register!! Status bits will be cleared in DPC !! */
bus->intstatus = intstatus;
/* return error for 0xFFFFFFFF */
if (intstatus == (uint32)-1) {
DHD_LOG_MEM(("%s : wrong interrupt status val : 0x%x\n",
__FUNCTION__, intstatus));
bus->is_linkdown = 1;
dhdpcie_disable_irq_nosync(bus);
break;
}
skip_intstatus_read:
/* Overall operation:
* - Mask further interrupts
* - Read/ack intstatus
* - Take action based on bits and state
* - Reenable interrupts (as per state)
*/
/* Count the interrupt call */
bus->intrcount++;
#endif /* DHD_READ_INTSTATUS_IN_DPC */
bus->ipend = TRUE;
bus->isr_intr_disable_count++;
#ifdef CHIP_INTR_CONTROL
dhdpcie_bus_intr_disable(bus); /* Disable interrupt using IntMask!! */
#else
/* For Linux, Macos etc (otherthan NDIS) instead of disabling
* dongle interrupt by clearing the IntMask, disable directly
* interrupt from the host side, so that host will not recieve
* any interrupts at all, even though dongle raises interrupts
*/
dhdpcie_disable_irq_nosync(bus); /* Disable interrupt!! */
#endif /* HOST_INTR_CONTROL */
bus->intdis = TRUE;
#ifdef DHD_FLOW_RING_STATUS_TRACE
if (bus->dhd->dma_h2d_ring_upd_support && bus->dhd->dma_d2h_ring_upd_support &&
(bus->dhd->ring_attached == TRUE)) {
dhd_bus_flow_ring_status_isr_trace(bus->dhd);
}
#endif /* DHD_FLOW_RING_STATUS_TRACE */
#if defined(PCIE_ISR_THREAD)
DHD_TRACE(("Calling dhd_bus_dpc() from %s\n", __FUNCTION__));
DHD_OS_WAKE_LOCK(bus->dhd);
while (dhd_bus_dpc(bus));
DHD_OS_WAKE_UNLOCK(bus->dhd);
#else
bus->dpc_sched = TRUE;
bus->isr_sched_dpc_time = OSL_LOCALTIME_NS();
#ifndef NDIS
dhd_sched_dpc(bus->dhd); /* queue DPC now!! */
#endif /* !NDIS */
#endif /* defined(SDIO_ISR_THREAD) */
DHD_INTR(("%s: Exit Success DPC Queued\n", __FUNCTION__));
return TRUE;
} while (0);
DHD_INTR(("%s: Exit Failure\n", __FUNCTION__));
return FALSE;
}
int
dhdpcie_set_pwr_state(dhd_bus_t *bus, uint state)
{
uint32 cur_state = 0;
uint32 pm_csr = 0;
osl_t *osh = bus->osh;
pm_csr = OSL_PCI_READ_CONFIG(osh, PCIECFGREG_PM_CSR, sizeof(uint32));
cur_state = pm_csr & PCIECFGREG_PM_CSR_STATE_MASK;
if (cur_state == state) {
DHD_ERROR(("%s: Already in state %u \n", __FUNCTION__, cur_state));
return BCME_OK;
}
if (state > PCIECFGREG_PM_CSR_STATE_D3_HOT)
return BCME_ERROR;
/* Validate the state transition
* if already in a lower power state, return error
*/
if (state != PCIECFGREG_PM_CSR_STATE_D0 &&
cur_state <= PCIECFGREG_PM_CSR_STATE_D3_COLD &&
cur_state > state) {
DHD_ERROR(("%s: Invalid power state transition !\n", __FUNCTION__));
return BCME_ERROR;
}
pm_csr &= ~PCIECFGREG_PM_CSR_STATE_MASK;
pm_csr |= state;
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_PM_CSR, sizeof(uint32), pm_csr);
/* need to wait for the specified mandatory pcie power transition delay time */
if (state == PCIECFGREG_PM_CSR_STATE_D3_HOT ||
cur_state == PCIECFGREG_PM_CSR_STATE_D3_HOT)
OSL_DELAY(DHDPCIE_PM_D3_DELAY);
else if (state == PCIECFGREG_PM_CSR_STATE_D2 ||
cur_state == PCIECFGREG_PM_CSR_STATE_D2)
OSL_DELAY(DHDPCIE_PM_D2_DELAY);
/* read back the power state and verify */
pm_csr = OSL_PCI_READ_CONFIG(osh, PCIECFGREG_PM_CSR, sizeof(uint32));
cur_state = pm_csr & PCIECFGREG_PM_CSR_STATE_MASK;
if (cur_state != state) {
DHD_ERROR(("%s: power transition failed ! Current state is %u \n",
__FUNCTION__, cur_state));
return BCME_ERROR;
} else {
DHD_ERROR(("%s: power transition to %u success \n",
__FUNCTION__, cur_state));
}
return BCME_OK;
}
int
dhdpcie_config_check(dhd_bus_t *bus)
{
uint32 i, val;
int ret = BCME_ERROR;
for (i = 0; i < DHDPCIE_CONFIG_CHECK_RETRY_COUNT; i++) {
val = OSL_PCI_READ_CONFIG(bus->osh, PCI_CFG_VID, sizeof(uint32));
if ((val & 0xFFFF) == VENDOR_BROADCOM) {
ret = BCME_OK;
break;
}
OSL_DELAY(DHDPCIE_CONFIG_CHECK_DELAY_MS * 1000);
}
return ret;
}
int
dhdpcie_config_restore(dhd_bus_t *bus, bool restore_pmcsr)
{
uint32 i;
osl_t *osh = bus->osh;
if (BCME_OK != dhdpcie_config_check(bus)) {
return BCME_ERROR;
}
for (i = PCI_CFG_REV >> 2; i < DHDPCIE_CONFIG_HDR_SIZE; i++) {
OSL_PCI_WRITE_CONFIG(osh, i << 2, sizeof(uint32), bus->saved_config.header[i]);
}
OSL_PCI_WRITE_CONFIG(osh, PCI_CFG_CMD, sizeof(uint32), bus->saved_config.header[1]);
if (restore_pmcsr)
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_PM_CSR,
sizeof(uint32), bus->saved_config.pmcsr);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_MSI_CAP, sizeof(uint32), bus->saved_config.msi_cap);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_MSI_ADDR_L, sizeof(uint32),
bus->saved_config.msi_addr0);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_MSI_ADDR_H,
sizeof(uint32), bus->saved_config.msi_addr1);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_MSI_DATA,
sizeof(uint32), bus->saved_config.msi_data);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_DEV_STATUS_CTRL,
sizeof(uint32), bus->saved_config.exp_dev_ctrl_stat);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGGEN_DEV_STATUS_CTRL2,
sizeof(uint32), bus->saved_config.exp_dev_ctrl_stat2);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_LINK_STATUS_CTRL,
sizeof(uint32), bus->saved_config.exp_link_ctrl_stat);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_LINK_STATUS_CTRL2,
sizeof(uint32), bus->saved_config.exp_link_ctrl_stat2);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_PML1_SUB_CTRL1,
sizeof(uint32), bus->saved_config.l1pm0);
OSL_PCI_WRITE_CONFIG(osh, PCIECFGREG_PML1_SUB_CTRL2,
sizeof(uint32), bus->saved_config.l1pm1);
OSL_PCI_WRITE_CONFIG(bus->osh, PCI_BAR0_WIN, sizeof(uint32),
bus->saved_config.bar0_win);
dhdpcie_setbar1win(bus, bus->saved_config.bar1_win);
return BCME_OK;
}
int
dhdpcie_config_save(dhd_bus_t *bus)
{
uint32 i;
osl_t *osh = bus->osh;
if (BCME_OK != dhdpcie_config_check(bus)) {
return BCME_ERROR;
}
for (i = 0; i < DHDPCIE_CONFIG_HDR_SIZE; i++) {
bus->saved_config.header[i] = OSL_PCI_READ_CONFIG(osh, i << 2, sizeof(uint32));
}
bus->saved_config.pmcsr = OSL_PCI_READ_CONFIG(osh, PCIECFGREG_PM_CSR, sizeof(uint32));
bus->saved_config.msi_cap = OSL_PCI_READ_CONFIG(osh, PCIECFGREG_MSI_CAP,
sizeof(uint32));
bus->saved_config.msi_addr0 = OSL_PCI_READ_CONFIG(osh, PCIECFGREG_MSI_ADDR_L,
sizeof(uint32));
bus->saved_config.msi_addr1 = OSL_PCI_READ_CONFIG(osh, PCIECFGREG_MSI_ADDR_H,
sizeof(uint32));
bus->saved_config.msi_data = OSL_PCI_READ_CONFIG(osh, PCIECFGREG_MSI_DATA,
sizeof(uint32));
bus->saved_config.exp_dev_ctrl_stat = OSL_PCI_READ_CONFIG(osh,
PCIECFGREG_DEV_STATUS_CTRL, sizeof(uint32));
bus->saved_config.exp_dev_ctrl_stat2 = OSL_PCI_READ_CONFIG(osh,
PCIECFGGEN_DEV_STATUS_CTRL2, sizeof(uint32));
bus->saved_config.exp_link_ctrl_stat = OSL_PCI_READ_CONFIG(osh,
PCIECFGREG_LINK_STATUS_CTRL, sizeof(uint32));
bus->saved_config.exp_link_ctrl_stat2 = OSL_PCI_READ_CONFIG(osh,
PCIECFGREG_LINK_STATUS_CTRL2, sizeof(uint32));
bus->saved_config.l1pm0 = OSL_PCI_READ_CONFIG(osh, PCIECFGREG_PML1_SUB_CTRL1,
sizeof(uint32));
bus->saved_config.l1pm1 = OSL_PCI_READ_CONFIG(osh, PCIECFGREG_PML1_SUB_CTRL2,
sizeof(uint32));
bus->saved_config.bar0_win = OSL_PCI_READ_CONFIG(osh, PCI_BAR0_WIN,
sizeof(uint32));
bus->saved_config.bar1_win = OSL_PCI_READ_CONFIG(osh, PCI_BAR1_WIN,
sizeof(uint32));
return BCME_OK;
}
#ifdef CONFIG_ARCH_EXYNOS
dhd_pub_t *link_recovery = NULL;
#endif /* CONFIG_ARCH_EXYNOS */
static void
dhdpcie_bus_intr_init(dhd_bus_t *bus)
{
uint buscorerev = bus->sih->buscorerev;
bus->pcie_mailbox_int = PCIMailBoxInt(buscorerev);
bus->pcie_mailbox_mask = PCIMailBoxMask(buscorerev);
bus->d2h_mb_mask = PCIE_MB_D2H_MB_MASK(buscorerev);
bus->def_intmask = PCIE_MB_D2H_MB_MASK(buscorerev);
if (buscorerev < 64) {
bus->def_intmask |= PCIE_MB_TOPCIE_FN0_0 | PCIE_MB_TOPCIE_FN0_1;
}
}
static void
dhdpcie_cc_watchdog_reset(dhd_bus_t *bus)
{
uint32 wd_en = (bus->sih->buscorerev >= 66) ? WD_SSRESET_PCIE_F0_EN :
(WD_SSRESET_PCIE_F0_EN | WD_SSRESET_PCIE_ALL_FN_EN);
pcie_watchdog_reset(bus->osh, bus->sih, WD_ENABLE_MASK, wd_en);
}
void
dhdpcie_dongle_reset(dhd_bus_t *bus)
{
/* if the pcie link is down, watchdog reset
* should not be done, as it may hang
*/
if (bus->is_linkdown) {
return;
}
/* Currently BP reset using CFG reg is done only for android platforms */
#ifdef DHD_USE_BP_RESET_SPROM
/* This is for architectures that does NOT control subsystem reset */
(void)dhd_bus_cfg_sprom_ctrl_bp_reset(bus);
return;
#elif defined(DHD_USE_BP_RESET_SS_CTRL)
/* This is for architectures that supports Subsystem Control */
(void)dhd_bus_cfg_ss_ctrl_bp_reset(bus);
return;
#else
#ifdef BCMQT_HW
/* flr takes a long time on qt and is only required when testing with BT
* included database. Fall back to watchdog reset by default and only perform
* flr if enabled through module parameter
*/
if (qt_flr_reset && (dhd_bus_perform_flr(bus, FALSE) != BCME_UNSUPPORTED)) {
return;
}
#else
/* dhd_bus_perform_flr will return BCME_UNSUPPORTED if chip is not FLR capable */
if (dhd_bus_perform_flr(bus, FALSE) == BCME_UNSUPPORTED)
#endif
{
/* Legacy chipcommon watchdog reset */
dhdpcie_cc_watchdog_reset(bus);
}
return;
#endif /* DHD_USE_BP_RESET */
}
#ifdef BCMQT_HW
/* Calculate dongle/host clock ratio for QT so the waiting period in host driver can be scaled
* properly. The dongle uses ALP clock by default which can't be read directly. But ILP and
* ALP clocks are scaled disproportionally in QT. So DHD must know the preset crystal frequency
* for ALP clock in order to calculate the scale ratio. The logic below takes 3 sources of xtal
* frequency as following priority:
* 1 module parameter
* 2 nvram "xtalfreq" line (not available for the first dongle reset)
* 3 Hard coded 37.4MHz
* If the QT simulation of a chip uses a different frequency xtal other than 37.4MHz, it's
* strongly recommended to expend the hard coded value to per chip basis or override with module
* parameter.
*/
#define XTAL_FREQ_37M4 37400000u
void dhdpcie_htclkratio_cal(dhd_bus_t *bus)
{
uint cur_coreidx, pmu_idx;
uint32 ilp_start, ilp_tick, xtal_ratio;
int xtalfreq = 0;
/* If a larger than 1 htclkratio is set through module parameter, use it directly */
if (htclkratio > 1) {
goto exit;
}
/* Store current core id */
cur_coreidx = si_coreidx(bus->sih);
if (!si_setcore(bus->sih, PMU_CORE_ID, 0)) {
htclkratio = 2000;
goto exit;
}
pmu_idx = si_coreidx(bus->sih);
/* Count IPL ticks in 1 second of host domain clock */
ilp_start = si_corereg(bus->sih, pmu_idx, offsetof(pmuregs_t, pmutimer), 0, 0);
osl_sleep(1000);
ilp_tick = si_corereg(bus->sih, pmu_idx, offsetof(pmuregs_t, pmutimer), 0, 0);
/* -1 to compensate the incomplete cycle at the beginning */
ilp_tick -= ilp_start - 1;
/* Get xtal vs ILP ratio from XtalFreqRatio(0x66c) */
xtal_ratio = si_corereg(bus->sih, pmu_idx, offsetof(pmuregs_t, pmu_xtalfreq), 0, 0);
xtal_ratio = (xtal_ratio & PMU_XTALFREQ_REG_ILPCTR_MASK) / 4;
/* Go back to original core */
si_setcoreidx(bus->sih, cur_coreidx);
/* Use module parameter if one is provided. Otherwise use default 37.4MHz */
if (dngl_xtalfreq) {
xtalfreq = dngl_xtalfreq;
} else {
xtalfreq = XTAL_FREQ_37M4;
}
/* htclkratio = xtalfreq / QT_XTAL_FREQ
* = xtalfreq / (ilp_tick * xtal_ratio)
*/
htclkratio = xtalfreq / (ilp_tick * xtal_ratio);
bus->xtalfreq = xtalfreq;
bus->ilp_tick = ilp_tick;
bus->xtal_ratio = xtal_ratio;
exit:
DHD_ERROR(("Dongle/Host clock ratio %u with %dHz xtal frequency\n", htclkratio, xtalfreq));
}
/* Re-calculate htclkratio if nvram provides a different xtalfreq */
void dhdpcie_htclkratio_recal(dhd_bus_t *bus, char *nvram, uint nvram_sz)
{
char *freq_c = NULL;
uint len, p;
int xtalfreq = 0;
/* Do not re-calculate if xtalfreq is overridden by module parameter */
if (dngl_xtalfreq)
return;
/* look for "xtalfreq=xxxx" line in nvram */
len = strlen("xtalfreq");
for (p = 0; p < (nvram_sz - len) && nvram[p]; ) {
if ((bcmp(&nvram[p], "xtalfreq", len) == 0) && (nvram[p + len] == '=')) {
freq_c = &nvram[p + len + 1u];
break;
}
/* jump to next line */
while (nvram[p++]);
}
if (freq_c) {
xtalfreq = bcm_strtoul(freq_c, NULL, 0);
if (xtalfreq > (INT_MAX / 1000u)) {
DHD_ERROR(("xtalfreq %d in nvram is too big\n", xtalfreq));
xtalfreq = 0;
}
xtalfreq *= 1000;
}
/* Skip recalculation if:
* nvram doesn't provide "xtalfreq", or
* first calculation was not performed because module parameter override, or
* xtalfreq in nvram is the same as the one used in first calculation
*/
if (xtalfreq == 0 || bus->xtalfreq == 0 || xtalfreq == bus->xtalfreq) {
return;
}
/* Print out a error message here. Even if the ratio is corrected with nvram setting, dongle
* reset has been performed before DHD has access to NVRAM. Insufficient waiting period
* for reset might cause unexpected behavior.
*/
DHD_ERROR(("Re-calculating htclkratio because nvram xtalfreq %dHz is different from %dHz\n",
xtalfreq, bus->xtalfreq));
htclkratio = xtalfreq / (bus->ilp_tick * bus->xtal_ratio);
bus->xtalfreq = xtalfreq;
DHD_ERROR(("Corrected dongle/Host clock ratio %u with %dHz xtal frequency\n",
htclkratio, xtalfreq));
}
#endif /* BCMQT_HW */
static bool
is_bmpu_supported(dhd_bus_t *bus)
{
if (BCM4378_CHIP(bus->sih->chip) ||
BCM4376_CHIP(bus->sih->chip) ||
BCM4387_CHIP(bus->sih->chip) ||
BCM4385_CHIP(bus->sih->chip)) {
return TRUE;
}
return FALSE;
}
#define CHIP_COMMON_SCR_DHD_TO_BL_ADDR(sih) (SI_ENUM_BASE(sih) + CC_SCR_DHD_TO_BL)
#define CHIP_COMMON_SCR_BL_TO_DHD_ADDR(sih) (SI_ENUM_BASE(sih) + CC_SCR_BL_TO_DHD)
void
dhdpcie_bus_mpu_disable(dhd_bus_t *bus)
{
volatile uint32 *cr4_regs;
uint val = 0;
if (is_bmpu_supported(bus) == FALSE) {
return;
}
/* reset to default values dhd_to_bl and bl_to_dhd regs */
(void)serialized_backplane_access(bus, CHIP_COMMON_SCR_DHD_TO_BL_ADDR(bus->sih),
sizeof(val), &val, FALSE);
(void)serialized_backplane_access(bus, CHIP_COMMON_SCR_BL_TO_DHD_ADDR(bus->sih),
sizeof(val), &val, FALSE);
cr4_regs = si_setcore(bus->sih, ARMCR4_CORE_ID, 0);
if (cr4_regs == NULL) {
DHD_ERROR(("%s: Failed to find ARM core!\n", __FUNCTION__));
return;
}
if (R_REG(bus->osh, cr4_regs + ARMCR4REG_CORECAP) & ACC_MPU_MASK) {
/* bus mpu is supported */
W_REG(bus->osh, cr4_regs + ARMCR4REG_MPUCTRL, 0);
}
}
static bool
dhdpcie_dongle_attach(dhd_bus_t *bus)
{
osl_t *osh = bus->osh;
volatile void *regsva = (volatile void*)bus->regs;
uint16 devid;
uint32 val;
sbpcieregs_t *sbpcieregs;
bool dongle_reset_needed;
uint16 chipid;
BCM_REFERENCE(chipid);
DHD_TRACE(("%s: ENTER\n", __FUNCTION__));
/* Configure CTO Prevention functionality */
#if defined(BCMFPGA_HW) || defined(BCMQT_HW)
DHD_ERROR(("Disable CTO\n"));
bus->cto_enable = FALSE;
#else
#if defined(BCMPCIE_CTO_PREVENTION)
chipid = dhd_get_chipid(bus);
if (BCM4349_CHIP(chipid) || BCM4350_CHIP(chipid) || BCM4345_CHIP(chipid)) {
DHD_ERROR(("Disable CTO\n"));
bus->cto_enable = FALSE;
} else {
DHD_ERROR(("Enable CTO\n"));
bus->cto_enable = TRUE;
}
#else
DHD_ERROR(("Disable CTO\n"));
bus->cto_enable = FALSE;
#endif /* BCMPCIE_CTO_PREVENTION */
#endif /* BCMFPGA_HW || BCMQT_HW */
if (PCIECTO_ENAB(bus)) {
dhdpcie_cto_init(bus, TRUE);
}
#ifdef CONFIG_ARCH_EXYNOS
link_recovery = bus->dhd;
#endif /* CONFIG_ARCH_EXYNOS */
dhd_init_pwr_req_lock(bus);
dhd_init_bus_lp_state_lock(bus);
dhd_init_backplane_access_lock(bus);
bus->alp_only = TRUE;
bus->sih = NULL;
/* Checking PCIe bus status with reading configuration space */
val = OSL_PCI_READ_CONFIG(osh, PCI_CFG_VID, sizeof(uint32));
if ((val & 0xFFFF) != VENDOR_BROADCOM) {
DHD_ERROR(("%s : failed to read PCI configuration space!\n", __FUNCTION__));
goto fail;
}
devid = (val >> 16) & 0xFFFF;
bus->cl_devid = devid;
/* Set bar0 window to si_enum_base */
dhdpcie_bus_cfg_set_bar0_win(bus, si_enum_base(devid));
/*
* Checking PCI_SPROM_CONTROL register for preventing invalid address access
* due to switch address space from PCI_BUS to SI_BUS.
*/
val = OSL_PCI_READ_CONFIG(osh, PCI_SPROM_CONTROL, sizeof(uint32));
if (val == 0xffffffff) {
DHD_ERROR(("%s : failed to read SPROM control register\n", __FUNCTION__));
goto fail;
}
#if defined(DHD_EFI) || defined(NDIS)
/* Save good copy of PCIe config space */
if (BCME_OK != dhdpcie_config_save(bus)) {
DHD_ERROR(("%s : failed to save PCI configuration space!\n", __FUNCTION__));
goto fail;
}
#endif /* DHD_EFI */
/* si_attach() will provide an SI handle and scan the backplane */
if (!(bus->sih = si_attach((uint)devid, osh, regsva, PCI_BUS, bus,
&bus->vars, &bus->varsz))) {
DHD_ERROR(("%s: si_attach failed!\n", __FUNCTION__));
goto fail;
}
if (MULTIBP_ENAB(bus->sih) && (bus->sih->buscorerev >= 66)) {
/*
* HW JIRA - CRWLPCIEGEN2-672
* Producer Index Feature which is used by F1 gets reset on F0 FLR
* fixed in REV68
*/
if (PCIE_ENUM_RESET_WAR_ENAB(bus->sih->buscorerev)) {
dhdpcie_ssreset_dis_enum_rst(bus);
}
/* IOV_DEVRESET could exercise si_detach()/si_attach() again so reset
* dhdpcie_bus_release_dongle() --> si_detach()
* dhdpcie_dongle_attach() --> si_attach()
*/
bus->pwr_req_ref = 0;
}
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_nolock(bus);
}
/* Get info on the ARM and SOCRAM cores... */
/* Should really be qualified by device id */
if ((si_setcore(bus->sih, ARM7S_CORE_ID, 0)) ||
(si_setcore(bus->sih, ARMCM3_CORE_ID, 0)) ||
(si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) ||
(si_setcore(bus->sih, ARMCA7_CORE_ID, 0))) {
bus->armrev = si_corerev(bus->sih);
bus->coreid = si_coreid(bus->sih);
} else {
DHD_ERROR(("%s: failed to find ARM core!\n", __FUNCTION__));
goto fail;
}
/* CA7 requires coherent bits on */
if (bus->coreid == ARMCA7_CORE_ID) {
val = dhdpcie_bus_cfg_read_dword(bus, PCIE_CFG_SUBSYSTEM_CONTROL, 4);
dhdpcie_bus_cfg_write_dword(bus, PCIE_CFG_SUBSYSTEM_CONTROL, 4,
(val | PCIE_BARCOHERENTACCEN_MASK));
}
/* EFI requirement - stop driver load if FW is already running
* need to do this here before pcie_watchdog_reset, because
* pcie_watchdog_reset will put the ARM back into halt state
*/
if (!dhdpcie_is_arm_halted(bus)) {
DHD_ERROR(("%s: ARM is not halted,FW is already running! Abort.\n",
__FUNCTION__));
goto fail;
}
BCM_REFERENCE(dongle_reset_needed);
/* For inbuilt drivers pcie clk req will be done by RC,
* so do not do clkreq from dhd
*/
#if defined(linux) || defined(LINUX)
if (dhd_download_fw_on_driverload)
#endif /* linux || LINUX */
{
/* Enable CLKREQ# */
dhdpcie_clkreq(bus->osh, 1, 1);
}
/* Calculate htclkratio only for QT, for FPGA it is fixed at 30 */
#ifdef BCMQT_HW
dhdpcie_htclkratio_cal(bus);
#endif /* BCMQT_HW */
/*
* bus->dhd will be NULL if it is called from dhd_bus_attach, so need to reset
* without checking dongle_isolation flag, but if it is called via some other path
* like quiesce FLR, then based on dongle_isolation flag, watchdog_reset should
* be called.
*/
if (bus->dhd == NULL) {
/* dhd_attach not yet happened, do dongle reset */
#ifdef DHD_SKIP_DONGLE_RESET_IN_ATTACH
dongle_reset_needed = FALSE;
#else
dongle_reset_needed = TRUE;
#endif /* DHD_SKIP_DONGLE_RESET_IN_ATTACH */
} else {
/* Based on dongle_isolationflag, reset dongle */
dongle_reset_needed = !(bus->dhd->dongle_isolation);
}
/* Fix for FLR reset specific to 4397a0. Write a value 0x1E in PMU CC reg18 */
if (BCM4397_CHIP(dhd_get_chipid(bus)) && (bus->sih->chiprev == 0)) {
uint origidx = 0;
origidx = si_coreidx(bus->sih);
pmu_corereg(bus->sih, SI_CC_IDX, chipcontrol_addr, ~0, PMU_CHIPCTL18);
pmu_corereg(bus->sih, SI_CC_IDX, chipcontrol_data,
(PMU_CC18_WL_BOOKER_FORCEPWRDWN_EN | PMU_CC18_WL_P_CHAN_TIMER_SEL_MASK),
(PMU_CC18_WL_BOOKER_FORCEPWRDWN_EN |
((PMU_CC18_WL_P_CHAN_TIMER_SEL_8ms << PMU_CC18_WL_P_CHAN_TIMER_SEL_OFF) &
PMU_CC18_WL_P_CHAN_TIMER_SEL_MASK)));
si_setcore(bus->sih, origidx, 0);
}
/*
* Issue dongle to reset all the cores on the chip - similar to rmmod dhd
* This is required to avoid spurious interrupts to the Host and bring back
* dongle to a sane state (on host soft-reboot / watchdog-reboot).
*/
if (dongle_reset_needed) {
dhdpcie_dongle_reset(bus);
}
/* need to set the force_bt_quiesce flag here
* before calling dhdpcie_dongle_flr_or_pwr_toggle
*/
bus->force_bt_quiesce = TRUE;
/*
* For buscorerev = 66 and after, F0 FLR should be done independent from F1.
* So don't need BT quiesce.
*/
if (bus->sih->buscorerev >= 66) {
bus->force_bt_quiesce = FALSE;
}
dhdpcie_dongle_flr_or_pwr_toggle(bus);
dhdpcie_bus_mpu_disable(bus);
si_setcore(bus->sih, PCIE2_CORE_ID, 0);
sbpcieregs = (sbpcieregs_t*)(bus->regs);
/* WAR where the BAR1 window may not be sized properly */
W_REG(osh, &sbpcieregs->configaddr, 0x4e0);
val = R_REG(osh, &sbpcieregs->configdata);
W_REG(osh, &sbpcieregs->configdata, val);
/* if chip uses sysmem instead of tcm, typically ARM CA chips */
if (si_setcore(bus->sih, SYSMEM_CORE_ID, 0)) {
if (!(bus->orig_ramsize = si_sysmem_size(bus->sih))) {
DHD_ERROR(("%s: failed to find SYSMEM memory!\n", __FUNCTION__));
goto fail;
}
/* also populate base address */
switch ((uint16)bus->sih->chip) {
case BCM4385_CHIP_ID:
bus->dongle_ram_base = CA7_4385_RAM_BASE;
break;
case BCM4388_CHIP_ID:
case BCM4389_CHIP_ID:
bus->dongle_ram_base = CA7_4389_RAM_BASE;
break;
#ifdef UNRELEASEDCHIP
case BCM4397_CHIP_ID:
bus->dongle_ram_base = CA7_4389_RAM_BASE;
break;
#endif
default:
/* also populate base address */
bus->dongle_ram_base = 0x200000;
DHD_ERROR(("%s: WARNING: Using default ram base at 0x%x\n",
__FUNCTION__, bus->dongle_ram_base));
break;
}
} else if (!si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) {
if (!(bus->orig_ramsize = si_socram_size(bus->sih))) {
DHD_ERROR(("%s: failed to find SOCRAM memory!\n", __FUNCTION__));
goto fail;
}
} else {
/* cr4 has a different way to find the RAM size from TCM's */
if (!(bus->orig_ramsize = si_tcm_size(bus->sih))) {
DHD_ERROR(("%s: failed to find CR4-TCM memory!\n", __FUNCTION__));
goto fail;
}
/* also populate base address */
switch ((uint16)bus->sih->chip) {
case BCM4339_CHIP_ID:
case BCM4335_CHIP_ID:
bus->dongle_ram_base = CR4_4335_RAM_BASE;
break;
case BCM4358_CHIP_ID:
case BCM4354_CHIP_ID:
case BCM43567_CHIP_ID:
case BCM43569_CHIP_ID:
case BCM4350_CHIP_ID:
case BCM43570_CHIP_ID:
bus->dongle_ram_base = CR4_4350_RAM_BASE;
break;
case BCM4360_CHIP_ID:
bus->dongle_ram_base = CR4_4360_RAM_BASE;
break;
case BCM4364_CHIP_ID:
bus->dongle_ram_base = CR4_4364_RAM_BASE;
break;
CASE_BCM4345_CHIP:
bus->dongle_ram_base = (bus->sih->chiprev < 6) /* changed at 4345C0 */
? CR4_4345_LT_C0_RAM_BASE : CR4_4345_GE_C0_RAM_BASE;
break;
CASE_BCM43602_CHIP:
bus->dongle_ram_base = CR4_43602_RAM_BASE;
break;
case BCM4349_CHIP_GRPID:
/* RAM based changed from 4349c0(revid=9) onwards */
bus->dongle_ram_base = ((bus->sih->chiprev < 9) ?
CR4_4349_RAM_BASE : CR4_4349_RAM_BASE_FROM_REV_9);
break;
case BCM4347_CHIP_ID:
case BCM4357_CHIP_ID:
case BCM4361_CHIP_ID:
bus->dongle_ram_base = CR4_4347_RAM_BASE;
break;
case BCM43751_CHIP_ID:
bus->dongle_ram_base = CR4_43751_RAM_BASE;
break;
case BCM43752_CHIP_ID:
bus->dongle_ram_base = CR4_43752_RAM_BASE;
break;
case BCM4376_CHIP_GRPID:
bus->dongle_ram_base = CR4_4376_RAM_BASE;
break;
case BCM4378_CHIP_GRPID:
bus->dongle_ram_base = CR4_4378_RAM_BASE;
break;
case BCM4362_CHIP_ID:
bus->dongle_ram_base = CR4_4362_RAM_BASE;
break;
case BCM4375_CHIP_ID:
case BCM4369_CHIP_ID:
bus->dongle_ram_base = CR4_4369_RAM_BASE;
break;
case BCM4377_CHIP_ID:
bus->dongle_ram_base = CR4_4377_RAM_BASE;
break;
case BCM4387_CHIP_GRPID:
bus->dongle_ram_base = CR4_4387_RAM_BASE;
break;
case BCM4385_CHIP_ID:
bus->dongle_ram_base = CR4_4385_RAM_BASE;
break;
default:
bus->dongle_ram_base = 0;
DHD_ERROR(("%s: WARNING: Using default ram base at 0x%x\n",
__FUNCTION__, bus->dongle_ram_base));
}
}
bus->ramsize = bus->orig_ramsize;
if (dhd_dongle_ramsize) {
dhdpcie_bus_dongle_setmemsize(bus, dhd_dongle_ramsize);
}
if (bus->ramsize > DONGLE_TCM_MAP_SIZE) {
DHD_ERROR(("%s : invalid ramsize %d(0x%x) is returned from dongle\n",
__FUNCTION__, bus->ramsize, bus->ramsize));
goto fail;
}
DHD_ERROR(("DHD: dongle ram size is set to %d(orig %d) at 0x%x\n",
bus->ramsize, bus->orig_ramsize, bus->dongle_ram_base));
dhdpcie_bar1_window_switch_enab(bus);
/* Init bar1_switch_lock only after bar1_switch_enab is inited */
dhd_init_bar1_switch_lock(bus);
bus->srmemsize = si_socram_srmem_size(bus->sih);
dhdpcie_bus_intr_init(bus);
/* Set the poll and/or interrupt flags */
bus->intr = (bool)dhd_intr;
if ((bus->poll = (bool)dhd_poll))
bus->pollrate = 1;
#ifdef DHD_DISABLE_ASPM
dhd_bus_aspm_enable_rc_ep(bus, FALSE);
#endif /* DHD_DISABLE_ASPM */
#ifdef PCIE_OOB
dhdpcie_oob_init(bus);
#endif /* PCIE_OOB */
#ifdef PCIE_INB_DW
bus->inb_enabled = TRUE;
#endif /* PCIE_INB_DW */
#if defined(PCIE_OOB) || defined(PCIE_INB_DW)
bus->ds_enabled = TRUE;
bus->deep_sleep = TRUE;
#endif
bus->idma_enabled = TRUE;
bus->ifrm_enabled = TRUE;
#ifdef BCMINTERNAL
bus->dma_chan = 0;
#endif /* BCMINTERNAL */
dhdpcie_pme_stat_clear(bus);
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear_nolock(bus);
/*
* One time clearing of Common Power Domain since HW default is set
* Needs to be after FLR because FLR resets PCIe enum back to HW defaults
* for 4378B0 (rev 68).
* On 4378A0 (rev 66), PCIe enum reset is disabled due to CRWLPCIEGEN2-672
*/
si_srpwr_request(bus->sih, SRPWR_DMN0_PCIE_MASK, 0);
/*
* WAR to fix ARM cold boot;
* Assert WL domain in DAR helps but not enum
*/
if (bus->sih->buscorerev >= 68) {
dhd_bus_pcie_pwr_req_wl_domain(bus,
DAR_PCIE_PWR_CTRL((bus->sih)->buscorerev), TRUE);
}
}
DHD_TRACE(("%s: EXIT: SUCCESS\n", __FUNCTION__));
return 0;
fail:
/* for EFI even if there is an error, load still succeeds
* so si_detach should not be called here, it is called during unload
*/
#ifndef DHD_EFI
/*
* As request irq is done later, till then CTO will not be detected,
* so unconditionally dump cfg and DAR registers.
*/
dhd_bus_dump_imp_cfg_registers(bus);
/* Check if CTO has happened */
if (PCIECTO_ENAB(bus)) {
/* read pci_intstatus */
uint32 pci_intstatus =
dhdpcie_bus_cfg_read_dword(bus, PCI_INT_STATUS, 4);
if (pci_intstatus == (uint32)-1) {
DHD_ERROR(("%s : Invalid pci_intstatus(0x%x)\n",
__FUNCTION__, pci_intstatus));
} else if (pci_intstatus & PCI_CTO_INT_MASK) {
DHD_ERROR(("%s: ##### CTO REPORTED BY DONGLE "
"intstat=0x%x enab=%d\n", __FUNCTION__,
pci_intstatus, bus->cto_enable));
}
}
dhd_deinit_pwr_req_lock(bus);
dhd_deinit_bus_lp_state_lock(bus);
dhd_deinit_backplane_access_lock(bus);
if (bus->sih != NULL) {
/* Dump DAR registers only if si_attach has succeeded */
dhd_bus_dump_dar_registers(bus);
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear_nolock(bus);
}
si_detach(bus->sih);
bus->sih = NULL;
}
#endif /* DHD_EFI */
DHD_TRACE(("%s: EXIT: FAILURE\n", __FUNCTION__));
return -1;
}
int
dhpcie_bus_unmask_interrupt(dhd_bus_t *bus)
{
dhdpcie_bus_cfg_write_dword(bus, PCIIntmask, 4, I_MB);
return 0;
}
int
dhpcie_bus_mask_interrupt(dhd_bus_t *bus)
{
dhdpcie_bus_cfg_write_dword(bus, PCIIntmask, 4, 0x0);
return 0;
}
/* Non atomic function, caller should hold appropriate lock */
void
dhdpcie_bus_intr_enable(dhd_bus_t *bus)
{
DHD_TRACE(("%s Enter\n", __FUNCTION__));
if (bus) {
if (bus->sih && !bus->is_linkdown) {
/* Skip after recieving D3 ACK */
if (bus->bus_low_power_state == DHD_BUS_D3_ACK_RECIEVED) {
return;
}
if ((bus->sih->buscorerev == 2) || (bus->sih->buscorerev == 6) ||
(bus->sih->buscorerev == 4)) {
dhpcie_bus_unmask_interrupt(bus);
} else {
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(bus, bus->pcie_mailbox_mask,
bus->def_intmask, TRUE);
#endif /* defined(DHD_MMIO_TRACE) */
si_corereg(bus->sih, bus->sih->buscoreidx, bus->pcie_mailbox_mask,
bus->def_intmask, bus->def_intmask);
}
}
#if defined(NDIS)
dhd_msix_message_set(bus->dhd, 0, 0, TRUE);
#endif
}
DHD_TRACE(("%s Exit\n", __FUNCTION__));
}
/* Non atomic function, caller should hold appropriate lock */
void
dhdpcie_bus_intr_disable(dhd_bus_t *bus)
{
DHD_TRACE(("%s Enter\n", __FUNCTION__));
if (bus && bus->sih && !bus->is_linkdown) {
/* Skip after recieving D3 ACK */
if (DHD_CHK_BUS_LPS_D3_ACKED(bus)) {
return;
}
if ((bus->sih->buscorerev == 2) || (bus->sih->buscorerev == 6) ||
(bus->sih->buscorerev == 4)) {
dhpcie_bus_mask_interrupt(bus);
} else {
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(bus, bus->pcie_mailbox_mask, 0, TRUE);
#endif /* defined(DHD_MMIO_TRACE) */
si_corereg(bus->sih, bus->sih->buscoreidx, bus->pcie_mailbox_mask,
bus->def_intmask, 0);
}
}
#if defined(NDIS)
/*
* dhdpcie_bus_intr_disable may get called from
* dhdpcie_dongle_attach -> dhdpcie_dongle_reset
* with dhd = NULL during attach time. So check for bus->dhd NULL before
* calling dhd_msix_message_set
*/
if (bus && bus->dhd) {
dhd_msix_message_set(bus->dhd, 0, 0, FALSE);
}
#endif
DHD_TRACE(("%s Exit\n", __FUNCTION__));
}
/*
* dhdpcie_advertise_bus_cleanup advertises that clean up is under progress
* to other bus user contexts like Tx, Rx, IOVAR, WD etc and it waits for other contexts
* to gracefully exit. All the bus usage contexts before marking busstate as busy, will check for
* whether the busstate is DHD_BUS_DOWN or DHD_BUS_DOWN_IN_PROGRESS, if so
* they will exit from there itself without marking dhd_bus_busy_state as BUSY.
*/
void
dhdpcie_advertise_bus_cleanup(dhd_pub_t *dhdp)
{
unsigned long flags;
int timeleft;
#ifdef DHD_PCIE_RUNTIMEPM
dhdpcie_runtime_bus_wake(dhdp, TRUE, dhdpcie_advertise_bus_cleanup);
#endif /* DHD_PCIE_RUNTIMEPM */
dhdp->dhd_watchdog_ms_backup = dhd_watchdog_ms;
if (dhdp->dhd_watchdog_ms_backup) {
DHD_ERROR(("%s: Disabling wdtick before dhd deinit\n",
__FUNCTION__));
dhd_os_wd_timer(dhdp, 0);
}
if (dhdp->busstate != DHD_BUS_DOWN) {
#ifdef DHD_DONGLE_TRAP_IN_DETACH
/*
* For x86 platforms, rmmod/insmod is failing due to some power
* resources are not held high.
* Hence induce DB7 trap during detach and in FW trap handler all
* power resources are held high.
*/
if (!dhd_query_bus_erros(dhdp) && dhdp->db7_trap.fw_db7w_trap) {
dhdp->db7_trap.fw_db7w_trap_inprogress = TRUE;
dhdpcie_fw_trap(dhdp->bus);
OSL_DELAY(100 * 1000); // wait 100 msec
dhdp->db7_trap.fw_db7w_trap_inprogress = FALSE;
} else {
DHD_ERROR(("%s: DB7 Not sent!!!\n",
__FUNCTION__));
}
#endif /* DHD_DONGLE_TRAP_IN_DETACH */
DHD_GENERAL_LOCK(dhdp, flags);
dhdp->busstate = DHD_BUS_DOWN_IN_PROGRESS;
DHD_GENERAL_UNLOCK(dhdp, flags);
}
timeleft = dhd_os_busbusy_wait_negation(dhdp, &dhdp->dhd_bus_busy_state);
#ifdef LINUX
if ((timeleft == 0) || (timeleft == 1)) {
#else
if (timeleft == 0) {
#endif
/* XXX This condition ideally should not occur, this means some
* bus usage context is not clearing the respective usage bit, print
* dhd_bus_busy_state and crash the host for further debugging.
*/
DHD_ERROR(("%s : Timeout due to dhd_bus_busy_state=0x%x\n",
__FUNCTION__, dhdp->dhd_bus_busy_state));
ASSERT(0);
}
return;
}
static void
dhdpcie_advertise_bus_remove(dhd_pub_t *dhdp)
{
unsigned long flags;
int timeleft;
DHD_GENERAL_LOCK(dhdp, flags);
dhdp->busstate = DHD_BUS_REMOVE;
DHD_GENERAL_UNLOCK(dhdp, flags);
timeleft = dhd_os_busbusy_wait_negation(dhdp, &dhdp->dhd_bus_busy_state);
if ((timeleft == 0) || (timeleft == 1)) {
DHD_ERROR(("%s : Timeout due to dhd_bus_busy_state=0x%x\n",
__FUNCTION__, dhdp->dhd_bus_busy_state));
ASSERT(0);
}
return;
}
static void
dhdpcie_bus_remove_prep(dhd_bus_t *bus)
{
unsigned long flags;
DHD_TRACE(("%s Enter\n", __FUNCTION__));
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__));
bus->dhd->busstate = DHD_BUS_DOWN;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
#ifdef PCIE_INB_DW
/* De-Initialize the lock to serialize Device Wake Inband activities */
if (bus->inb_lock) {
osl_spin_lock_deinit(bus->dhd->osh, bus->inb_lock);
bus->inb_lock = NULL;
}
#endif
dhd_os_sdlock(bus->dhd);
if (bus->sih && !bus->dhd->dongle_isolation) {
dhd_bus_pcie_pwr_req_reload_war(bus);
/* Skip below WARs for Android as insmod fails after rmmod in Brix Android */
#if !defined(OEM_ANDROID)
/* HW4347-909, Set PCIE TRefUp time to 100us for 4347/4377 */
if ((bus->sih->buscorerev == 19) || (bus->sih->buscorerev == 23)) {
pcie_set_trefup_time_100us(bus->sih);
}
/* disable fast lpo from 4347/4377 */
/* For 4378/4387/4389, do not disable fast lpo because we always enable fast lpo.
* it causes insmod/rmmod reload failure.
*/
if ((PMUREV(bus->sih->pmurev) > 31) &&
!(PCIE_FASTLPO_ENABLED(bus->sih->buscorerev))) {
si_pmu_fast_lpo_disable(bus->sih);
}
#endif /* !OEM_ANDROID */
/* if the pcie link is down, watchdog reset
* should not be done, as it may hang
*/
if (!bus->is_linkdown) {
/* For Non-EFI modular builds, do dongle reset during rmmod */
#ifndef DHD_EFI
/* For EFI-DHD this compile flag will be defined.
* In EFI, depending on bt over pcie mode
* we either power toggle or do F0 FLR
* from dhdpcie_bus_release dongle. So no need to
* do dongle reset from here
*/
dhdpcie_dongle_reset(bus);
#endif /* !DHD_EFI */
}
bus->dhd->is_pcie_watchdog_reset = TRUE;
}
dhd_os_sdunlock(bus->dhd);
DHD_TRACE(("%s Exit\n", __FUNCTION__));
}
void
dhd_init_bus_lp_state_lock(dhd_bus_t *bus)
{
if (!bus->bus_lp_state_lock) {
bus->bus_lp_state_lock = osl_spin_lock_init(bus->osh);
}
}
void
dhd_deinit_bus_lp_state_lock(dhd_bus_t *bus)
{
if (bus->bus_lp_state_lock) {
osl_spin_lock_deinit(bus->osh, bus->bus_lp_state_lock);
bus->bus_lp_state_lock = NULL;
}
}
void
dhd_init_backplane_access_lock(dhd_bus_t *bus)
{
if (!bus->backplane_access_lock) {
bus->backplane_access_lock = osl_spin_lock_init(bus->osh);
}
}
void
dhd_deinit_backplane_access_lock(dhd_bus_t *bus)
{
if (bus->backplane_access_lock) {
osl_spin_lock_deinit(bus->osh, bus->backplane_access_lock);
bus->backplane_access_lock = NULL;
}
}
/** Detach and free everything */
void
dhdpcie_bus_release(dhd_bus_t *bus)
{
bool dongle_isolation = FALSE;
#ifdef BCMQT
uint buscorerev = 0;
#endif /* BCMQT */
osl_t *osh = NULL;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
if (bus) {
osh = bus->osh;
ASSERT(osh);
if (bus->dhd) {
#if defined(DEBUGGER) || defined (DHD_DSCOPE)
debugger_close();
#endif /* DEBUGGER || DHD_DSCOPE */
dhdpcie_advertise_bus_remove(bus->dhd);
dongle_isolation = bus->dhd->dongle_isolation;
bus->dhd->is_pcie_watchdog_reset = FALSE;
dhdpcie_bus_remove_prep(bus);
if (bus->intr) {
dhdpcie_bus_intr_disable(bus);
dhdpcie_free_irq(bus);
}
dhd_deinit_bus_lp_state_lock(bus);
dhd_deinit_bar1_switch_lock(bus);
dhd_deinit_backplane_access_lock(bus);
dhd_deinit_pwr_req_lock(bus);
#ifdef PCIE_INB_DW
dhd_deinit_dongle_ds_lock(bus);
#endif /* PCIE_INB_DW */
#ifdef BCMQT
if (IDMA_ACTIVE(bus->dhd)) {
/**
* On FPGA during exit path force set "IDMA Control Register"
* to default value 0x0. Otherwise host dongle syc for IDMA fails
* during next IDMA initilization(without system reboot)
*/
buscorerev = bus->sih->buscorerev;
si_corereg(bus->sih, bus->sih->buscoreidx,
IDMAControl(buscorerev), ~0, 0);
}
#endif /* BCMQT */
/**
* dhdpcie_bus_release_dongle free bus->sih handle, which is needed to
* access Dongle registers.
* dhd_detach will communicate with dongle to delete flowring ..etc.
* So dhdpcie_bus_release_dongle should be called only after the dhd_detach.
*/
dhd_detach(bus->dhd);
dhdpcie_bus_release_dongle(bus, osh, dongle_isolation, TRUE);
dhd_free(bus->dhd);
bus->dhd = NULL;
}
#ifdef DHD_EFI
else {
if (bus->intr) {
dhdpcie_bus_intr_disable(bus);
dhdpcie_free_irq(bus);
}
dhdpcie_bus_release_dongle(bus, osh, dongle_isolation, TRUE);
}
#endif /* DHD_EFI */
/* unmap the regs and tcm here!! */
if (bus->regs) {
dhdpcie_bus_reg_unmap(osh, bus->regs, DONGLE_REG_MAP_SIZE);
bus->regs = NULL;
}
if (bus->tcm) {
dhdpcie_bus_reg_unmap(osh, bus->tcm, DONGLE_TCM_MAP_SIZE);
bus->tcm = NULL;
}
dhdpcie_bus_release_malloc(bus, osh);
/* Detach pcie shared structure */
if (bus->pcie_sh) {
MFREE(osh, bus->pcie_sh, sizeof(pciedev_shared_t));
}
if (bus->console.buf != NULL) {
MFREE(osh, bus->console.buf, bus->console.bufsize);
}
#ifdef BCMINTERNAL
if (bus->msi_sim) {
DMA_UNMAP(osh, bus->msi_sim_phys, MSI_SIM_BUFSIZE, DMA_RX, 0, 0);
MFREE(osh, bus->msi_sim_addr, MSI_SIM_BUFSIZE);
}
/* free host fw buffer if there is any */
if (bus->hostfw_buf.va) {
DMA_FREE_CONSISTENT(osh, bus->hostfw_buf.va, bus->hostfw_buf._alloced,
bus->hostfw_buf.pa, bus->hostfw_buf.dmah);
memset(&bus->hostfw_buf, 0, sizeof(bus->hostfw_buf));
}
#endif /* BCMINTERNAL */
/* Finally free bus info */
MFREE(osh, bus, sizeof(dhd_bus_t));
g_dhd_bus = NULL;
}
DHD_TRACE(("%s: Exit\n", __FUNCTION__));
} /* dhdpcie_bus_release */
void
dhdpcie_bus_release_dongle(dhd_bus_t *bus, osl_t *osh, bool dongle_isolation, bool reset_flag)
{
DHD_TRACE(("%s: Enter bus->dhd %p bus->dhd->dongle_reset %d \n", __FUNCTION__,
bus->dhd, bus->dhd->dongle_reset));
if ((bus->dhd && bus->dhd->dongle_reset) && reset_flag) {
goto fail;
}
if (bus->is_linkdown) {
DHD_ERROR(("%s : Skip release dongle due to linkdown \n", __FUNCTION__));
goto fail;
}
if (bus->sih) {
#ifdef BCMINTERNAL
if (bus->msi_sim) {
/* disable MSI */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, configaddr), ~0, PCIE_CFG_MSICAP_OFFSET);
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, configdata), ~0,
PCIE_CFG_MSICAP_DISABLE_MSI);
}
#endif /* BCMINTERNAL */
/*
* Perform dongle reset only if dongle isolation is not enabled.
* In android platforms, dongle isolation will be enabled and
* quiescing dongle will be done using DB7 trap.
*/
if (!dongle_isolation &&
bus->dhd && !bus->dhd->is_pcie_watchdog_reset) {
dhdpcie_dongle_reset(bus);
}
/* Only for EFI this will be effective */
dhdpcie_dongle_flr_or_pwr_toggle(bus);
if (bus->ltrsleep_on_unload) {
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, u.pcie2.ltr_state), ~0, 0);
}
if (bus->sih->buscorerev == 13)
pcie_serdes_iddqdisable(bus->osh, bus->sih,
(sbpcieregs_t *) bus->regs);
/* For inbuilt drivers pcie clk req will be done by RC,
* so do not do clkreq from dhd
*/
#if defined(linux) || defined(LINUX)
if (dhd_download_fw_on_driverload)
#endif /* linux || LINUX */
{
/* Disable CLKREQ# */
dhdpcie_clkreq(bus->osh, 1, 0);
}
}
fail:
/* Resources should be freed */
if (bus->sih) {
si_detach(bus->sih);
bus->sih = NULL;
}
if (bus->vars && bus->varsz) {
MFREE(osh, bus->vars, bus->varsz);
bus->vars = NULL;
}
DHD_TRACE(("%s Exit\n", __FUNCTION__));
}
uint32
dhdpcie_bus_cfg_read_dword(dhd_bus_t *bus, uint32 addr, uint32 size)
{
uint32 data = OSL_PCI_READ_CONFIG(bus->osh, addr, size);
return data;
}
/** 32 bit config write */
void
dhdpcie_bus_cfg_write_dword(dhd_bus_t *bus, uint32 addr, uint32 size, uint32 data)
{
OSL_PCI_WRITE_CONFIG(bus->osh, addr, size, data);
}
void
dhdpcie_bus_cfg_set_bar0_win(dhd_bus_t *bus, uint32 data)
{
OSL_PCI_WRITE_CONFIG(bus->osh, PCI_BAR0_WIN, 4, data);
}
void
dhdpcie_bus_dongle_setmemsize(struct dhd_bus *bus, int mem_size)
{
int32 min_size = DONGLE_MIN_MEMSIZE;
/* Restrict the memsize to user specified limit */
DHD_ERROR(("user: Restrict the dongle ram size to %d, min accepted %d max accepted %d\n",
mem_size, min_size, (int32)bus->orig_ramsize));
if ((mem_size > min_size) &&
(mem_size < (int32)bus->orig_ramsize)) {
bus->ramsize = mem_size;
} else {
DHD_ERROR(("%s: Invalid mem_size %d\n", __FUNCTION__, mem_size));
}
}
void
dhdpcie_bus_release_malloc(dhd_bus_t *bus, osl_t *osh)
{
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
if (bus->dhd && bus->dhd->dongle_reset)
return;
if (bus->vars && bus->varsz) {
MFREE(osh, bus->vars, bus->varsz);
}
DHD_TRACE(("%s: Exit\n", __FUNCTION__));
return;
}
/** Stop bus module: clear pending frames, disable data flow */
void dhd_bus_stop(struct dhd_bus *bus, bool enforce_mutex)
{
unsigned long flags;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
if (!bus->dhd)
return;
if (bus->dhd->busstate == DHD_BUS_DOWN) {
DHD_ERROR(("%s: already down by net_dev_reset\n", __FUNCTION__));
goto done;
}
DHD_STOP_RPM_TIMER(bus->dhd);
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__));
bus->dhd->busstate = DHD_BUS_DOWN;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
atomic_set(&bus->dhd->block_bus, TRUE);
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
dhdpcie_bus_intr_disable(bus);
if (!bus->is_linkdown) {
uint32 status;
status = dhdpcie_bus_cfg_read_dword(bus, PCIIntstatus, 4);
dhdpcie_bus_cfg_write_dword(bus, PCIIntstatus, 4, status);
}
#if defined(linux) || defined(LINUX)
if (!dhd_download_fw_on_driverload) {
dhd_dpc_kill(bus->dhd);
}
#endif /* linux || LINUX */
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
pm_runtime_disable(dhd_bus_to_dev(bus));
pm_runtime_set_suspended(dhd_bus_to_dev(bus));
pm_runtime_enable(dhd_bus_to_dev(bus));
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
/* Clear rx control and wake any waiters */
/* XXX More important in disconnect, but no context? */
dhd_os_set_ioctl_resp_timeout(IOCTL_DISABLE_TIMEOUT);
dhd_wakeup_ioctl_event(bus->dhd, IOCTL_RETURN_ON_BUS_STOP);
done:
return;
}
#ifdef DEVICE_TX_STUCK_DETECT
void
dhd_bus_send_msg_to_daemon(int reason)
{
bcm_to_info_t to_info;
to_info.magic = BCM_TO_MAGIC;
to_info.reason = reason;
dhd_send_msg_to_daemon(NULL, (void *)&to_info, sizeof(bcm_to_info_t));
return;
}
#define DHD_MEMORY_SET_PATTERN 0xAA
/**
* scan the flow rings in active list to check if stuck and notify application
* The conditions for warn/stuck detection are
* 1. Flow ring is active
* 2. There are packets to be consumed by the consumer (wr != rd)
* If 1 and 2 are true, then
* 3. Warn, if Tx completion is not received for a duration of DEVICE_TX_STUCK_WARN_DURATION
* 4. Trap FW, if Tx completion is not received for a duration of DEVICE_TX_STUCK_DURATION
*/
static void
dhd_bus_device_tx_stuck_scan(dhd_bus_t *bus)
{
uint32 tx_cmpl;
unsigned long list_lock_flags;
unsigned long ring_lock_flags;
dll_t *item, *prev;
flow_ring_node_t *flow_ring_node;
if_flow_lkup_t *if_flow_lkup = (if_flow_lkup_t *)bus->dhd->if_flow_lkup;
uint8 ifindex;
#ifndef FW_HAS_AGING_LOGIC_ALL_IF
/**
* Since the aging logic is implemented only for INFRA in FW,
* DHD should monitor only INFRA for stuck detection.
*/
uint8 role;
#endif /* FW_HAS_AGING_LOGIC_ALL_IF */
bool ring_empty;
bool active;
uint8 status;
DHD_FLOWRING_LIST_LOCK(bus->dhd->flowring_list_lock, list_lock_flags);
for (item = dll_tail_p(&bus->flowring_active_list);
!dll_end(&bus->flowring_active_list, item); item = prev) {
prev = dll_prev_p(item);
flow_ring_node = dhd_constlist_to_flowring(item);
ifindex = flow_ring_node->flow_info.ifindex;
#ifndef FW_HAS_AGING_LOGIC_ALL_IF
role = if_flow_lkup[ifindex].role;
if (role != WLC_E_IF_ROLE_STA) {
continue;
}
#endif /* FW_HAS_AGING_LOGIC_ALL_IF */
DHD_FLOWRING_LOCK(flow_ring_node->lock, ring_lock_flags);
tx_cmpl = flow_ring_node->tx_cmpl;
active = flow_ring_node->active;
status = flow_ring_node->status;
ring_empty = dhd_prot_is_cmpl_ring_empty(bus->dhd, flow_ring_node->prot_info);
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, ring_lock_flags);
/*
* Need not monitor the flow ring if,
* 1. flow ring is empty
* 2. LINK is down
* 3. flow ring is not in FLOW_RING_STATUS_OPEN state
*/
if ((ring_empty) || !(if_flow_lkup[ifindex].status) ||
(status != FLOW_RING_STATUS_OPEN)) {
/* reset conters... etc */
flow_ring_node->stuck_count = 0;
flow_ring_node->tx_cmpl_prev = tx_cmpl;
continue;
}
/**
* DEVICE_TX_STUCK_WARN_DURATION, DEVICE_TX_STUCK_DURATION are integer
* representation of time, to decide if a flow is in warn state or stuck.
*
* flow_ring_node->stuck_count is an integer counter representing how long
* tx_cmpl is not received though there are pending packets in the ring
* to be consumed by the dongle for that particular flow.
*
* This method of determining time elapsed is helpful in sleep/wake scenarios.
* If host sleeps and wakes up, that sleep time is not considered into
* stuck duration.
*/
if ((tx_cmpl == flow_ring_node->tx_cmpl_prev) && active) {
flow_ring_node->stuck_count++;
DHD_ERROR(("%s: flowid: %d tx_cmpl: %u tx_cmpl_prev: %u stuck_count: %d\n",
__func__, flow_ring_node->flowid, tx_cmpl,
flow_ring_node->tx_cmpl_prev, flow_ring_node->stuck_count));
dhd_prot_dump_ring_ptrs(flow_ring_node->prot_info);
switch (flow_ring_node->stuck_count) {
case DEVICE_TX_STUCK_WARN_DURATION:
/**
* Notify Device Tx Stuck Notification App about the
* device Tx stuck warning for this flowid.
* App will collect the logs required.
*/
DHD_ERROR(("stuck warning for flowid: %d sent to app\n",
flow_ring_node->flowid));
dhd_bus_send_msg_to_daemon(REASON_DEVICE_TX_STUCK_WARNING);
break;
case DEVICE_TX_STUCK_DURATION:
/**
* Notify Device Tx Stuck Notification App about the
* device Tx stuck info for this flowid.
* App will collect the logs required.
*/
DHD_ERROR(("stuck information for flowid: %d sent to app\n",
flow_ring_node->flowid));
dhd_bus_send_msg_to_daemon(REASON_DEVICE_TX_STUCK);
break;
default:
break;
}
} else {
flow_ring_node->tx_cmpl_prev = tx_cmpl;
flow_ring_node->stuck_count = 0;
}
}
DHD_FLOWRING_LIST_UNLOCK(bus->dhd->flowring_list_lock, list_lock_flags);
}
/**
* schedules dhd_bus_device_tx_stuck_scan after DEVICE_TX_STUCK_CKECK_TIMEOUT,
* to determine if any flowid is stuck.
*/
static void
dhd_bus_device_stuck_scan(dhd_bus_t *bus)
{
uint32 time_stamp; /* in millisec */
uint32 diff;
/* Need not run the algorith if Dongle has trapped */
if (bus->dhd->dongle_trap_occured) {
return;
}
time_stamp = OSL_SYSUPTIME();
diff = time_stamp - bus->device_tx_stuck_check;
if (diff > DEVICE_TX_STUCK_CKECK_TIMEOUT) {
dhd_bus_device_tx_stuck_scan(bus);
bus->device_tx_stuck_check = OSL_SYSUPTIME();
}
return;
}
#endif /* DEVICE_TX_STUCK_DETECT */
/**
* Watchdog timer function.
* @param dhd Represents a specific hardware (dongle) instance that this DHD manages
*/
bool dhd_bus_watchdog(dhd_pub_t *dhd)
{
unsigned long flags;
dhd_bus_t *bus = dhd->bus;
if (dhd_query_bus_erros(bus->dhd)) {
return FALSE;
}
DHD_GENERAL_LOCK(dhd, flags);
if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhd) ||
DHD_BUS_CHECK_SUSPEND_OR_SUSPEND_IN_PROGRESS(dhd)) {
DHD_GENERAL_UNLOCK(dhd, flags);
return FALSE;
}
DHD_BUS_BUSY_SET_IN_WD(dhd);
DHD_GENERAL_UNLOCK(dhd, flags);
#ifdef DHD_PCIE_RUNTIMEPM
dhdpcie_runtime_bus_wake(dhd, TRUE, __builtin_return_address(0));
#endif /* DHD_PCIE_RUNTIMEPM */
#ifdef BCMINTERNAL
if ((bus->msi_sim) && (++bus->polltick >= bus->pollrate)) {
uint32 val;
bus->polltick = 0;
val = *(uint32 *)bus->msi_sim_addr;
*(uint32 *)bus->msi_sim_addr = 0;
if (val) {
DHD_INFO(("calling dhdpcie_bus_isr 0x%04x\n", val));
dhdpcie_bus_isr(bus);
}
}
#endif /* BCMINTERNAL */
#if defined(DHD_EFI) && defined(DHD_INTR_POLL_PERIOD_DYNAMIC)
dhd_intr_poll_pkt_thresholds(dhd);
#endif /* DHD_EFI && DHD_INTR_POLL_PERIOD_DYNAMIC */
/* Poll for console output periodically */
if (dhd->busstate == DHD_BUS_DATA &&
dhd->dhd_console_ms != 0 &&
DHD_CHK_BUS_NOT_IN_LPS(bus)) {
bus->console.count += dhd_watchdog_ms;
if (bus->console.count >= dhd->dhd_console_ms) {
bus->console.count -= dhd->dhd_console_ms;
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
/* Make sure backplane clock is on */
if (dhd->db7_trap.fw_db7w_trap_inprogress == FALSE) {
if (dhdpcie_bus_readconsole(bus) < 0) {
DHD_ERROR(("%s: disable dconpoll\n", __FUNCTION__));
dhd->dhd_console_ms = 0; /* On error, stop trying */
}
}
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
}
}
#ifdef DHD_READ_INTSTATUS_IN_DPC
if (bus->poll) {
bus->ipend = TRUE;
bus->dpc_sched = TRUE;
dhd_sched_dpc(bus->dhd); /* queue DPC now!! */
}
#endif /* DHD_READ_INTSTATUS_IN_DPC */
#ifdef DEVICE_TX_STUCK_DETECT
if (dhd->bus->dev_tx_stuck_monitor == TRUE) {
dhd_bus_device_stuck_scan(bus);
}
#endif /* DEVICE_TX_STUCK_DETECT */
DHD_GENERAL_LOCK(dhd, flags);
DHD_BUS_BUSY_CLEAR_IN_WD(dhd);
dhd_os_busbusy_wake(dhd);
DHD_GENERAL_UNLOCK(dhd, flags);
#if !defined(DHD_PCIE_RUNTIMEPM) && (defined(PCIE_OOB) || defined(PCIE_INB_DW))
dhd->bus->inb_dw_deassert_cnt += dhd_watchdog_ms;
if (dhd->bus->inb_dw_deassert_cnt >=
DHD_INB_DW_DEASSERT_MS) {
dhd->bus->inb_dw_deassert_cnt = 0;
/* Inband device wake is deasserted from DPC context after DS_Exit is received,
* but if at all there is no d2h interrupt received, dpc will not be scheduled
* and inband DW is not deasserted, hence DW is deasserted from watchdog thread
* for every 250ms.
*/
dhd_bus_dw_deassert(dhd);
}
#endif /* !DHD_PCIE_RUNTIMEPM && PCIE_OOB || PCIE_INB_DW */
return TRUE;
} /* dhd_bus_watchdog */
#if defined(SUPPORT_MULTIPLE_REVISION)
static int concate_revision_bcm4358(dhd_bus_t *bus, char *fw_path, char *nv_path)
{
uint32 chiprev;
#if defined(SUPPORT_MULTIPLE_CHIPS)
char chipver_tag[20] = "_4358";
#else
char chipver_tag[10] = {0, };
#endif /* SUPPORT_MULTIPLE_CHIPS */
chiprev = dhd_bus_chiprev(bus);
if (chiprev == 0) {
DHD_ERROR(("----- CHIP 4358 A0 -----\n"));
strcat(chipver_tag, "_a0");
} else if (chiprev == 1) {
DHD_ERROR(("----- CHIP 4358 A1 -----\n"));
#if defined(SUPPORT_MULTIPLE_CHIPS) || defined(SUPPORT_MULTIPLE_MODULE_CIS)
strcat(chipver_tag, "_a1");
#endif /* defined(SUPPORT_MULTIPLE_CHIPS) || defined(SUPPORT_MULTIPLE_MODULE_CIS) */
} else if (chiprev == 3) {
DHD_ERROR(("----- CHIP 4358 A3 -----\n"));
#if defined(SUPPORT_MULTIPLE_CHIPS)
strcat(chipver_tag, "_a3");
#endif /* SUPPORT_MULTIPLE_CHIPS */
} else {
DHD_ERROR(("----- Unknown chip version, ver=%x -----\n", chiprev));
}
strcat(fw_path, chipver_tag);
#if defined(SUPPORT_MULTIPLE_MODULE_CIS) && defined(USE_CID_CHECK)
if (chiprev == 1 || chiprev == 3) {
int ret = dhd_check_module_b85a();
if ((chiprev == 1) && (ret < 0)) {
memset(chipver_tag, 0x00, sizeof(chipver_tag));
strcat(chipver_tag, "_b85");
strcat(chipver_tag, "_a1");
}
}
DHD_ERROR(("%s: chipver_tag %s \n", __FUNCTION__, chipver_tag));
#endif /* defined(SUPPORT_MULTIPLE_MODULE_CIS) && defined(USE_CID_CHECK) */
#if defined(SUPPORT_MULTIPLE_BOARD_REV)
if (system_rev >= 10) {
DHD_ERROR(("----- Board Rev [%d]-----\n", system_rev));
strcat(chipver_tag, "_r10");
}
#endif /* SUPPORT_MULTIPLE_BOARD_REV */
strcat(nv_path, chipver_tag);
return 0;
}
static int concate_revision_bcm4359(dhd_bus_t *bus, char *fw_path, char *nv_path)
{
uint32 chip_ver;
char chipver_tag[10] = {0, };
#if defined(SUPPORT_MULTIPLE_MODULE_CIS) && defined(USE_CID_CHECK) && \
defined(SUPPORT_BCM4359_MIXED_MODULES)
int module_type = -1;
#endif /* SUPPORT_MULTIPLE_MODULE_CIS && USE_CID_CHECK && SUPPORT_BCM4359_MIXED_MODULES */
chip_ver = bus->sih->chiprev;
if (chip_ver == 4) {
DHD_ERROR(("----- CHIP 4359 B0 -----\n"));
strncat(chipver_tag, "_b0", strlen("_b0"));
} else if (chip_ver == 5) {
DHD_ERROR(("----- CHIP 4359 B1 -----\n"));
strncat(chipver_tag, "_b1", strlen("_b1"));
} else if (chip_ver == 9) {
DHD_ERROR(("----- CHIP 4359 C0 -----\n"));
strncat(chipver_tag, "_c0", strlen("_c0"));
} else {
DHD_ERROR(("----- Unknown chip version, ver=%x -----\n", chip_ver));
return -1;
}
#if defined(SUPPORT_MULTIPLE_MODULE_CIS) && defined(USE_CID_CHECK) && \
defined(SUPPORT_BCM4359_MIXED_MODULES)
module_type = dhd_check_module_b90();
switch (module_type) {
case BCM4359_MODULE_TYPE_B90B:
strcat(fw_path, chipver_tag);
break;
case BCM4359_MODULE_TYPE_B90S:
default:
/*
* .cid.info file not exist case,
* loading B90S FW force for initial MFG boot up.
*/
if (chip_ver == 5) {
strncat(fw_path, "_b90s", strlen("_b90s"));
}
strcat(fw_path, chipver_tag);
strcat(nv_path, chipver_tag);
break;
}
#else /* SUPPORT_MULTIPLE_MODULE_CIS && USE_CID_CHECK && SUPPORT_BCM4359_MIXED_MODULES */
strcat(fw_path, chipver_tag);
strcat(nv_path, chipver_tag);
#endif /* SUPPORT_MULTIPLE_MODULE_CIS && USE_CID_CHECK && SUPPORT_BCM4359_MIXED_MODULES */
return 0;
}
#define NVRAM_FEM_MURATA "_murata"
static int
concate_revision_from_cisinfo(dhd_bus_t *bus, char *fw_path, char *nv_path)
{
int ret = BCME_OK;
#if defined(SUPPORT_MIXED_MODULES)
#if defined(USE_CID_CHECK)
char module_type[MAX_VNAME_LEN];
naming_info_t *info = NULL;
bool is_murata_fem = FALSE;
memset(module_type, 0, sizeof(module_type));
if (dhd_check_module_bcm(module_type,
MODULE_NAME_INDEX_MAX, &is_murata_fem) == BCME_OK) {
info = dhd_find_naming_info(bus->dhd, module_type);
} else {
/* in case of .cid.info doesn't exists */
info = dhd_find_naming_info_by_chip_rev(bus->dhd, &is_murata_fem);
}
#ifdef BCM4361_CHIP
if (bcmstrnstr(nv_path, PATH_MAX, "_murata", 7)) {
is_murata_fem = FALSE;
}
#endif /* BCM4361_CHIP */
if (info) {
#ifdef BCM4361_CHIP
if (is_murata_fem) {
strncat(nv_path, NVRAM_FEM_MURATA, strlen(NVRAM_FEM_MURATA));
}
#endif /* BCM4361_CHIP */
strncat(nv_path, info->nvram_ext, strlen(info->nvram_ext));
strncat(fw_path, info->fw_ext, strlen(info->fw_ext));
} else {
DHD_ERROR(("%s:failed to find extension for nvram and firmware\n", __FUNCTION__));
ret = BCME_ERROR;
}
#endif /* USE_CID_CHECK */
#ifdef USE_DIRECT_VID_TAG
int revid = bus->sih->chiprev;
unsigned char chipstr[MAX_VID_LEN];
memset(chipstr, 0, sizeof(chipstr));
snprintf(chipstr, sizeof(chipstr), "_4389");
/* write chipstr/vid into nvram tag */
ret = concate_nvram_by_vid(bus, nv_path, chipstr);
/* write chiprev into FW tag */
if (ret == BCME_OK) {
if (revid == 3) {
strncat(fw_path, A0_REV, strlen(fw_path));
DHD_ERROR(("%s: fw_path : %s\n", __FUNCTION__, fw_path));
} else if (revid == 1) {
strncat(fw_path, B0_REV, strlen(fw_path));
DHD_ERROR(("%s: fw_path : %s\n", __FUNCTION__, fw_path));
} else {
DHD_ERROR(("%s: INVALID CHIPREV %d\n", __FUNCTION__, revid));
}
}
#endif /* USE_DIRECT_VID_TAG */
#else /* SUPPORT_MIXED_MODULE */
char chipver_tag[10] = {0, };
strcat(fw_path, chipver_tag);
strcat(nv_path, chipver_tag);
#endif /* SUPPORT_MIXED_MODULE */
return ret;
}
int
concate_revision(dhd_bus_t *bus, char *fw_path, char *nv_path)
{
int res = 0;
if (!bus || !bus->sih) {
DHD_ERROR(("%s:Bus is Invalid\n", __FUNCTION__));
return -1;
}
if (!fw_path || !nv_path) {
DHD_ERROR(("fw_path or nv_path is null.\n"));
return res;
}
switch (si_chipid(bus->sih)) {
case BCM43569_CHIP_ID:
case BCM4358_CHIP_ID:
res = concate_revision_bcm4358(bus, fw_path, nv_path);
break;
case BCM4355_CHIP_ID:
case BCM4359_CHIP_ID:
res = concate_revision_bcm4359(bus, fw_path, nv_path);
break;
case BCM4361_CHIP_ID:
case BCM4347_CHIP_ID:
case BCM4375_CHIP_ID:
case BCM4389_CHIP_ID:
res = concate_revision_from_cisinfo(bus, fw_path, nv_path);
break;
default:
DHD_ERROR(("REVISION SPECIFIC feature is not required\n"));
return res;
}
return res;
}
#endif /* SUPPORT_MULTIPLE_REVISION */
uint16
dhd_get_chipid(struct dhd_bus *bus)
{
if (bus && bus->sih) {
return (uint16)si_chipid(bus->sih);
} else if (bus && bus->regs) {
chipcregs_t *cc = (chipcregs_t *)bus->regs;
uint w, chipid;
/* Set bar0 window to si_enum_base */
dhdpcie_bus_cfg_set_bar0_win(bus, si_enum_base(0));
w = R_REG(bus->osh, &cc->chipid);
chipid = w & CID_ID_MASK;
return (uint16)chipid;
} else {
return 0;
}
}
/**
* Loads firmware given by caller supplied path and nvram image into PCIe dongle.
*
* BCM_REQUEST_FW specific :
* Given the chip type, determines the to be used file paths within /lib/firmware/brcm/ containing
* firmware and nvm for that chip. If the download fails, retries download with a different nvm file
*
* BCMEMBEDIMAGE specific:
* If bus->fw_path is empty, or if the download of bus->fw_path failed, firmware contained in header
* file will be used instead.
*
* @return BCME_OK on success
*/
int
dhd_bus_download_firmware(struct dhd_bus *bus, osl_t *osh,
char *pfw_path, char *pnv_path,
char *pclm_path, char *pconf_path)
{
int ret;
bus->fw_path = pfw_path;
bus->nv_path = pnv_path;
bus->dhd->clm_path = pclm_path;
bus->dhd->conf_path = pconf_path;
#if defined(SUPPORT_MULTIPLE_REVISION)
if (concate_revision(bus, bus->fw_path, bus->nv_path) != 0) {
DHD_ERROR(("%s: fail to concatnate revison \n",
__FUNCTION__));
/* Proceed if SUPPORT_MULTIPLE_CHIPS is enabled */
#ifndef SUPPORT_MULTIPLE_CHIPS
return BCME_BADARG;
#endif /* !SUPPORT_MULTIPLE_CHIPS */
}
#endif /* SUPPORT_MULTIPLE_REVISION */
#if defined(DHD_BLOB_EXISTENCE_CHECK)
dhd_set_blob_support(bus->dhd, bus->fw_path);
#endif /* DHD_BLOB_EXISTENCE_CHECK */
DHD_ERROR(("%s: firmware path=%s, nvram path=%s\n",
__FUNCTION__, bus->fw_path, bus->nv_path));
#if defined(LINUX) || defined(linux)
dhdpcie_dump_resource(bus);
#endif /* LINUX || linux */
ret = dhdpcie_download_firmware(bus, osh);
return ret;
}
void
dhd_set_bus_params(struct dhd_bus *bus)
{
if (bus->dhd->conf->dhd_poll >= 0) {
bus->poll = bus->dhd->conf->dhd_poll;
if (!bus->pollrate)
bus->pollrate = 1;
printf("%s: set polling mode %d\n", __FUNCTION__, bus->dhd->conf->dhd_poll);
}
}
/**
* Loads firmware given by 'bus->fw_path' into PCIe dongle.
*
* BCM_REQUEST_FW specific :
* Given the chip type, determines the to be used file paths within /lib/firmware/brcm/ containing
* firmware and nvm for that chip. If the download fails, retries download with a different nvm file
*
* BCMEMBEDIMAGE specific:
* If bus->fw_path is empty, or if the download of bus->fw_path failed, firmware contained in header
* file will be used instead.
*
* @return BCME_OK on success
*/
static int
dhdpcie_download_firmware(struct dhd_bus *bus, osl_t *osh)
{
int ret = 0;
#if defined(BCM_REQUEST_FW)
uint chipid = bus->sih->chip;
uint revid = bus->sih->chiprev;
char fw_path[64] = "/lib/firmware/brcm/bcm"; /* path to firmware image */
char nv_path[64]; /* path to nvram vars file */
bus->fw_path = fw_path;
bus->nv_path = nv_path;
switch (chipid) {
case BCM43570_CHIP_ID:
bcmstrncat(fw_path, "43570", 5);
switch (revid) {
case 0:
bcmstrncat(fw_path, "a0", 2);
break;
case 2:
bcmstrncat(fw_path, "a2", 2);
break;
default:
DHD_ERROR(("%s: revid is not found %x\n", __FUNCTION__,
revid));
break;
}
break;
default:
DHD_ERROR(("%s: unsupported device %x\n", __FUNCTION__,
chipid));
return 0;
}
/* load board specific nvram file */
snprintf(bus->nv_path, sizeof(nv_path), "%s.nvm", fw_path);
/* load firmware */
snprintf(bus->fw_path, sizeof(fw_path), "%s-firmware.bin", fw_path);
#endif /* BCM_REQUEST_FW */
DHD_OS_WAKE_LOCK(bus->dhd);
dhd_conf_set_path_params(bus->dhd, bus->fw_path, bus->nv_path);
dhd_set_bus_params(bus);
ret = _dhdpcie_download_firmware(bus);
DHD_OS_WAKE_UNLOCK(bus->dhd);
return ret;
} /* dhdpcie_download_firmware */
#ifdef BCMINTERNAL
#define PCIE_HYBRIDFW_MAGICNUM 0x434F464Cu
#define PCIE_HYBRIDFW_HOSTOFFSET_MASK 0xFFC00000u
#define PCIE_HYBRIDFW_TYPE_DNGL 0u
#define PCIE_HYBRIDFW_TYPE_HOST 1u
#define PCIE_HYBRIDFW_TYPE_DNGLTBL 2u
#define PCIE_HYBRIDFW_TYPE_HOSTTBL 3u
#define SBtoPCIETranslation2 0xF0
#define SBtoPCIETranslation2Upper 0xF4
#define SBtoPCIETranslation3 0xF8
#define SBtoPCIETranslation3Upper 0xFC
#define SBtoPCIETranslation0 0x100
#define SBtoPCIETranslation1 0x104
#define SBtoPCIETranslation0Upper 0x10C
#define SBtoPCIETranslation1Upper 0x110
/* Get length of each portion of hybrid fw binary from the header */
static int
dhdpcie_hybridfw_get_next_block(char * fptr, int *fsize, uint32 *type, uint32 *len)
{
struct portion_hdr {
uint32 type;
uint32 len;
} hdr;
int ret;
/* read and verify header */
if (*fsize <= sizeof(hdr)) {
return BCME_BADLEN;
}
ret = dhd_os_get_image_block((char *)&hdr, sizeof(hdr), fptr);
if (ret <= 0) {
return BCME_ERROR;
}
*fsize -= sizeof(hdr);
*type = ltoh32(hdr.type);
*len = ltoh32(hdr.len);
if ((*len > (uint32)*fsize) || ((int)*len < 0)) {
return BCME_BADLEN;
}
DHD_INFO(("%s Found section %d with length %d\n", __FUNCTION__, hdr.type, hdr.len));
return BCME_OK;
}
/* Replace host offload functions' pointers */
static int
dhdpcie_hybridfw_ptrrpl(char *fw, uint fw_sz, uint32 *jmptbl, uint jmptbl_sz,
dmaaddr_t hbuf_pa, uint32 hbuf_len)
{
uint32 *p_ptr;
uint32 host_addr;
int ret = BCME_OK;
if (jmptbl_sz % 4) {
DHD_ERROR(("%s table size %u not 4 bytes aligned\n", __FUNCTION__, jmptbl_sz));
return BCME_ERROR;
}
host_addr = PCIEDEV_ARM_ADDR(PHYSADDRLO(hbuf_pa), PCIEDEV_TRANS_WIN_HOSTMEM);
for (; jmptbl_sz > 0; jmptbl_sz -= 4, jmptbl++) {
if (*jmptbl >= fw_sz) {
DHD_ERROR(("%s offset %u >= fw size %u\n", __FUNCTION__, *jmptbl, fw_sz));
ret = BCME_ERROR;
break;
}
p_ptr = (uint32 *)(fw + *jmptbl);
*p_ptr &= ~(uint32)PCIE_HYBRIDFW_HOSTOFFSET_MASK;
if (*p_ptr > hbuf_len) {
DHD_ERROR(("%s function offset %x >= host buffer len %x\n",
__FUNCTION__, *p_ptr, hbuf_len));
ret = BCME_ERROR;
break;
}
*p_ptr += host_addr;
}
return ret;
}
/* configure back plane to pcie translation window */
static void
dhdpcie_sbtopcie_translation_config(struct dhd_bus *bus, int bp_window, dmaaddr_t addr)
{
uint32 trans_reg_offset, trans_u_reg_offset;
switch (bp_window) {
case PCIEDEV_TRANS_WIN_0:
trans_reg_offset = SBtoPCIETranslation0;
trans_u_reg_offset = SBtoPCIETranslation0Upper;
break;
case PCIEDEV_TRANS_WIN_1:
trans_reg_offset = SBtoPCIETranslation1;
trans_u_reg_offset = SBtoPCIETranslation1Upper;
break;
case PCIEDEV_TRANS_WIN_2:
trans_reg_offset = SBtoPCIETranslation2;
trans_u_reg_offset = SBtoPCIETranslation2Upper;
break;
case PCIEDEV_TRANS_WIN_3:
trans_reg_offset = SBtoPCIETranslation3;
trans_u_reg_offset = SBtoPCIETranslation3Upper;
break;
default:
DHD_ERROR(("%s Invalid bp translation window %d\n",
__FUNCTION__, bp_window));
return;
}
si_corereg(bus->sih, bus->sih->buscoreidx, trans_reg_offset, ~0,
((PHYSADDRLO(addr) & PCIEDEV_HOSTADDR_MAP_WIN_MASK) | 0xC));
si_corereg(bus->sih, bus->sih->buscoreidx, trans_u_reg_offset, ~0, PHYSADDRHI(addr));
}
/**
* hybrid firmware download handler
*
* Parse, prepare and download a hybrid firmware
* - Identify a hybrid firmware
* - Place the host offload portion in an allocated DMA consistent buffer
* - Modifying the host portion function pointers according to info table
*/
static int
dhdpcie_hybridfw_download(struct dhd_bus *bus, char *fp)
{
uint32 magic_num;
int ret = BCME_OK;
dhd_dma_buf_t *hstfw = &bus->hostfw_buf;
char *dnglfw = NULL, *dngltbl = NULL, *hsttbl = NULL;
int dnglfw_sz = 0, dngltbl_sz = 0, hsttbl_sz = 0;
int fsize;
int offset = 0;
uint32 type = 0, len = 0;
void * ptr = NULL;
fsize = dhd_os_get_image_size(fp);
/* Verify magic number */
if (fsize < sizeof(magic_num)) {
return BCME_UNSUPPORTED;
}
ret = dhd_os_get_image_block((char *)&magic_num, sizeof(magic_num), fp);
if (ret <= 0) {
return BCME_ERROR;
}
magic_num = ltoh32(magic_num);
if (magic_num != PCIE_HYBRIDFW_MAGICNUM) {
return BCME_UNSUPPORTED;
}
fsize -= sizeof(magic_num);
do {
ret = dhdpcie_hybridfw_get_next_block(fp, &fsize, &type, &len);
if (ret != BCME_OK) {
break;
}
if (len == 0) {
continue;
}
if ((ptr = MALLOC(bus->dhd->osh, len)) == NULL) {
ret = BCME_NOMEM;
break;
}
len = dhd_os_get_image_block(ptr, len, fp);
if (len <= 0) {
MFREE(bus->dhd->osh, ptr, len);
ret = BCME_ERROR;
break;
}
fsize -= len;
switch (type) {
case PCIE_HYBRIDFW_TYPE_DNGL:
/* cannot have more than one RAM image blocks */
if (dnglfw_sz) {
MFREE(bus->dhd->osh, ptr, len);
ret = BCME_ERROR;
break;
}
/* RAM portion of the FW image */
dnglfw = ptr;
dnglfw_sz = len;
if ((uint32)len > bus->ramsize) {
ret = BCME_BADLEN;
break;
}
break;
case PCIE_HYBRIDFW_TYPE_HOST:
/* Host portion of FW image
* Check if a -hostmem- fw has already been loaded, if yes and
* the buffer can accommodate the new firmware host portion,
* reuse the allocated buffer
* For Insufficient size buffer or freshly loaded dhd, allocate
* a coherent buffer
*/
if (hstfw->va) {
if (hstfw->len >= len) {
hstfw->len = len;
} else {
DMA_FREE_CONSISTENT(bus->dhd->osh, hstfw->va,
hstfw->_alloced, hstfw->pa, hstfw->dmah);
memset(hstfw, 0, sizeof(*hstfw));
}
}
if (hstfw->va == NULL) {
hstfw->len = len;
hstfw->va = DMA_ALLOC_CONSISTENT(bus->dhd->osh, hstfw->len,
4, &hstfw->_alloced, &hstfw->pa, &hstfw->dmah);
if (hstfw->va == NULL) {
MFREE(bus->dhd->osh, ptr, len);
ret = BCME_NOMEM;
break;
}
}
ret = memcpy_s(hstfw->va, hstfw->len, ptr, len);
MFREE(bus->dhd->osh, ptr, len);
break;
case PCIE_HYBRIDFW_TYPE_DNGLTBL:
/* cannot have more than one ram image relocation information */
if (dngltbl) {
MFREE(bus->dhd->osh, ptr, len);
ret = BCME_ERROR;
break;
}
/* RAM image relocation information */
dngltbl = ptr;
dngltbl_sz = len;
/* RAM image should be included before RAM reloc info */
if ((dnglfw == NULL) || (hstfw->va == NULL)) {
ret = BCME_ERROR;
break;
}
/* Store the fw assumed host memory base */
bus->hostfw_base = *(uint32 *)(dnglfw + *(uint32 *)dngltbl);
bus->hostfw_base &= PCIE_HYBRIDFW_HOSTOFFSET_MASK;
DHD_INFO(("%s FW assumed host base address is %08x\n",
__FUNCTION__, bus->hostfw_base));
ret = dhdpcie_hybridfw_ptrrpl(dnglfw, dnglfw_sz,
(uint32 *)dngltbl, dngltbl_sz, hstfw->pa, hstfw->len);
break;
case PCIE_HYBRIDFW_TYPE_HOSTTBL:
/* cannot have more than one host image relocation info */
if (hsttbl) {
MFREE(bus->dhd->osh, ptr, len);
ret = BCME_ERROR;
break;
}
/* Host image relocation information */
hsttbl = ptr;
hsttbl_sz = len;
/* Host image should be included before host reloc info */
if (hstfw->va == NULL) {
ret = BCME_ERROR;
break;
}
ret = dhdpcie_hybridfw_ptrrpl(hstfw->va, hstfw->len,
(uint32 *)hsttbl, hsttbl_sz, hstfw->pa, hstfw->len);
break;
default:
ret = BCME_ERROR;
break;
}
} while (!ret && (fsize > 0));
if (ret != BCME_OK) {
DHD_ERROR(("%s: err:%d, fsize:%d, t:%d, l:%d\n",
__FUNCTION__, ret, fsize, type, len));
goto exit;
}
if ((uint32*)dnglfw == NULL) {
DHD_ERROR(("%s: Dongle image should be present in combo file\n",
__FUNCTION__));
ret = BCME_ERROR;
goto exit;
}
if (hstfw->va) {
OSL_CACHE_FLUSH((void *)hstfw->va, hstfw->len);
}
/* for CR4/CA7 store the reset instruction to be written in 0 */
if (si_setcore(bus->sih, ARMCR4_CORE_ID, 0) || si_setcore(bus->sih, ARMCA7_CORE_ID, 0)) {
bus->resetinstr = *(((uint32*)dnglfw));
/* Add start of RAM address to the address given by user */
offset += bus->dongle_ram_base;
}
ret = dhdpcie_bus_membytes(bus, TRUE, offset, (uint8 *)dnglfw, dnglfw_sz);
if (ret) {
DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n",
__FUNCTION__, ret, dnglfw_sz, offset));
goto exit;
}
/* Configrue bptopcie register to allow ARM access the host offload area */
bus->bp_base = PCIEDEV_ARM_ADDR(PHYSADDRLO(hstfw->pa), PCIEDEV_TRANS_WIN_HOSTMEM);
dhdpcie_sbtopcie_translation_config(bus, PCIEDEV_TRANS_WIN_HOSTMEM, hstfw->pa);
/* Check if the buffer is crossing 32MB Window */
if (((bus->bp_base + hstfw->len) & PCIEDEV_ARM_ADDR_SPACE) <
(bus->bp_base & PCIEDEV_ARM_ADDR_SPACE)) {
DHD_ERROR(("Host memomery crissing 32MB window."
" Entire hostmem block should be within continuous 32MB block"));
ret = BCME_ERROR;
goto exit;
}
DHD_ERROR(("%s %d bytes host offload firmware placed at pa %08x %08x\n",
__FUNCTION__, hstfw->len,
(uint)PHYSADDRHI(hstfw->pa), (uint)PHYSADDRLO(hstfw->pa)));
exit:
if (dnglfw) {
MFREE(bus->dhd->osh, dnglfw, dnglfw_sz);
}
if (dngltbl) {
MFREE(bus->dhd->osh, dngltbl, dngltbl_sz);
}
if (hsttbl) {
MFREE(bus->dhd->osh, hsttbl, hsttbl_sz);
}
if (ret && hstfw->va) {
DMA_FREE_CONSISTENT(bus->dhd->osh, hstfw->va, hstfw->_alloced,
hstfw->pa, hstfw->dmah);
memset(hstfw, 0, sizeof(*hstfw));
}
return ret;
}
#endif /* BCMINTERNAL */
/**
* Downloads a file containing firmware into dongle memory. In case of a .bea file, the DHD
* is updated with the event logging partitions within that file as well.
*
* @param pfw_path Path to .bin or .bea file
*/
static int
dhdpcie_download_code_file(struct dhd_bus *bus, char *pfw_path)
{
int bcmerror = BCME_ERROR;
int offset = 0;
int len = 0;
bool store_reset;
char *imgbuf = NULL; /**< XXX a file pointer, contradicting its name and type */
uint8 *memblock = NULL, *memptr = NULL;
#ifdef CHECK_DOWNLOAD_FW
uint8 *memptr_tmp = NULL; // terence: check downloaded firmware is correct
#endif
int offset_end = bus->ramsize;
uint32 file_size = 0, read_len = 0;
#if defined(CACHE_FW_IMAGES)
int buf_offset, total_len, residual_len;
char * dnld_buf;
#endif /* CACHE_FW_IMAGE */
#if defined(linux) || defined(LINUX)
#if defined(DHD_FW_MEM_CORRUPTION)
if (dhd_bus_get_fw_mode(bus->dhd) == DHD_FLAG_MFG_MODE) {
dhd_tcm_test_enable = TRUE;
} else {
dhd_tcm_test_enable = FALSE;
}
#endif /* DHD_FW_MEM_CORRUPTION */
DHD_ERROR(("%s: dhd_tcm_test_enable %u\n", __FUNCTION__, dhd_tcm_test_enable));
/* TCM check */
if (dhd_tcm_test_enable && !dhd_bus_tcm_test(bus)) {
DHD_ERROR(("dhd_bus_tcm_test failed\n"));
bcmerror = BCME_ERROR;
goto err;
}
#endif /* LINUX || linux */
#ifndef DHD_EFI
DHD_ERROR(("%s: download firmware %s\n", __FUNCTION__, pfw_path));
#endif /* DHD_EFI */
/* Should succeed in opening image if it is actually given through registry
* entry or in module param.
*/
imgbuf = dhd_os_open_image1(bus->dhd, pfw_path);
if (imgbuf == NULL) {
printf("%s: Open firmware file failed %s\n", __FUNCTION__, pfw_path);
goto err;
}
file_size = dhd_os_get_image_size(imgbuf);
if (!file_size) {
DHD_ERROR(("%s: get file size fails ! \n", __FUNCTION__));
goto err;
}
#ifdef BCMINTERNAL
/* dhdpcie_hybridfw_download return BCME_UNSUPPORTED if the binary
* doesn't have a recognizable format. Continue to previous routine
* in such case. Return and propagate the result for BCME_OK or
* other errors
*/
bcmerror = dhdpcie_hybridfw_download(bus, imgbuf);
if (bcmerror != BCME_UNSUPPORTED) {
goto err;
}
/* Close and re-open the image file to reset the file pointer.
* Needed because dhdpcie_hybridfw_download() already read 4 bytes from the file.
*/
dhd_os_close_image1(bus->dhd, imgbuf);
imgbuf = dhd_os_open_image1(bus->dhd, pfw_path);
if (imgbuf == NULL) {
goto err;
}
#endif /* BCMINTERNAL */
memptr = memblock = MALLOC(bus->dhd->osh, MEMBLOCK + DHD_SDALIGN);
if (memblock == NULL) {
DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", __FUNCTION__, MEMBLOCK));
bcmerror = BCME_NOMEM;
goto err;
}
#ifdef CHECK_DOWNLOAD_FW
if (bus->dhd->conf->fwchk) {
memptr_tmp = MALLOC(bus->dhd->osh, MEMBLOCK + DHD_SDALIGN);
if (memptr_tmp == NULL) {
DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", __FUNCTION__, MEMBLOCK));
goto err;
}
}
#endif
if ((uint32)(uintptr)memblock % DHD_SDALIGN) {
memptr += (DHD_SDALIGN - ((uint32)(uintptr)memblock % DHD_SDALIGN));
}
/* check if CR4/CA7 */
store_reset = (si_setcore(bus->sih, ARMCR4_CORE_ID, 0) ||
si_setcore(bus->sih, ARMCA7_CORE_ID, 0));
#if defined(CACHE_FW_IMAGES)
total_len = bus->ramsize;
dhd_os_close_image(imgbuf);
imgbuf = NULL;
buf_offset = 0;
bcmerror = dhd_get_download_buffer(bus->dhd, pfw_path, FW, &dnld_buf, &total_len);
if (bcmerror != BCME_OK) {
DHD_ERROR(("%s: dhd_get_download_buffer failed (%d)\n", __FUNCTION__, bcmerror));
goto err;
}
residual_len = total_len;
/* Download image with MEMBLOCK size */
while (residual_len) {
len = MIN(residual_len, MEMBLOCK);
memcpy(memptr, dnld_buf + buf_offset, len);
residual_len -= len;
buf_offset += len;
#else
/* Download image with MEMBLOCK size */
while ((len = dhd_os_get_image_block((char*)memptr, MEMBLOCK, imgbuf))) {
if (len < 0) {
DHD_ERROR(("%s: dhd_os_get_image_block failed (%d)\n", __FUNCTION__, len));
bcmerror = BCME_ERROR;
goto err;
}
#endif /* CACHE_FW_IMAGE */
read_len += len;
if (read_len > file_size) {
DHD_ERROR(("%s: WARNING! reading beyond EOF, len=%d; read_len=%u;"
" file_size=%u truncating len to %d \n", __FUNCTION__,
len, read_len, file_size, (len - (read_len - file_size))));
len -= (read_len - file_size);
}
/* if address is 0, store the reset instruction to be written in 0 */
if (store_reset) {
ASSERT(offset == 0);
bus->resetinstr = *(((uint32*)memptr));
/* Add start of RAM address to the address given by user */
offset += bus->dongle_ram_base;
offset_end += offset;
store_reset = FALSE;
}
bcmerror = dhdpcie_bus_membytes(bus, TRUE, offset, (uint8 *)memptr, len);
if (bcmerror) {
DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n",
__FUNCTION__, bcmerror, MEMBLOCK, offset));
goto err;
}
#ifdef CHECK_DOWNLOAD_FW
if (bus->dhd->conf->fwchk) {
bcmerror = dhdpcie_bus_membytes(bus, FALSE, offset, memptr_tmp, len);
if (bcmerror) {
DHD_ERROR(("%s: error %d on reading %d membytes at 0x%08x\n",
__FUNCTION__, bcmerror, MEMBLOCK, offset));
goto err;
}
if (memcmp(memptr_tmp, memptr, len)) {
DHD_ERROR(("%s: Downloaded image is corrupted at 0x%08x\n", __FUNCTION__, offset));
bcmerror = BCME_ERROR;
goto err;
} else
DHD_INFO(("%s: Download, Upload and compare succeeded.\n", __FUNCTION__));
}
#endif
offset += MEMBLOCK;
if (offset >= offset_end) {
DHD_ERROR(("%s: invalid address access to %x (offset end: %x)\n",
__FUNCTION__, offset, offset_end));
bcmerror = BCME_ERROR;
goto err;
}
if (read_len >= file_size) {
break;
}
}
err:
if (memblock) {
MFREE(bus->dhd->osh, memblock, MEMBLOCK + DHD_SDALIGN);
#ifdef CHECK_DOWNLOAD_FW
if (memptr_tmp)
MFREE(bus->dhd->osh, memptr_tmp, MEMBLOCK + DHD_SDALIGN);
#endif
}
if (imgbuf) {
dhd_os_close_image1(bus->dhd, imgbuf);
}
return bcmerror;
} /* dhdpcie_download_code_file */
#ifdef CUSTOMER_HW4_DEBUG
#define MIN_NVRAMVARS_SIZE 128
#endif /* CUSTOMER_HW4_DEBUG */
static int
dhdpcie_download_nvram(struct dhd_bus *bus)
{
int bcmerror = BCME_ERROR;
uint len;
char * memblock = NULL;
char *bufp;
char *pnv_path;
bool nvram_file_exists;
bool nvram_uefi_exists = FALSE;
bool local_alloc = FALSE;
pnv_path = bus->nv_path;
nvram_file_exists = ((pnv_path != NULL) && (pnv_path[0] != '\0'));
/* First try UEFI */
len = MAX_NVRAMBUF_SIZE;
dhd_get_download_buffer(bus->dhd, NULL, NVRAM, &memblock, (int *)&len);
/* If UEFI empty, then read from file system */
if ((len <= 0) || (memblock == NULL)) {
if (nvram_file_exists) {
len = MAX_NVRAMBUF_SIZE;
dhd_get_download_buffer(bus->dhd, pnv_path, NVRAM, &memblock, (int *)&len);
if ((len <= 0 || len > MAX_NVRAMBUF_SIZE)) {
goto err;
}
}
#ifdef BCM_ROUTER_DHD
else if (bus->nvram_params_len) {
memblock = MALLOCZ(bus->dhd->osh, MAX_NVRAMBUF_SIZE);
if (memblock == NULL) {
DHD_ERROR(("%s: Failed to allocate memory %d bytes\n",
__FUNCTION__, MAX_NVRAMBUF_SIZE));
goto err;
}
local_alloc = TRUE;
/* nvram is string with null terminated. cannot use strlen */
len = bus->nvram_params_len;
ASSERT(len <= MAX_NVRAMBUF_SIZE);
memcpy(memblock, bus->nvram_params, len);
}
#endif /* BCM_ROUTER_DHD */
else {
/* For SROM OTP no external file or UEFI required */
bcmerror = BCME_OK;
}
} else {
nvram_uefi_exists = TRUE;
}
DHD_ERROR(("%s: dhd_get_download_buffer len %d\n", __FUNCTION__, len));
if (len > 0 && len <= MAX_NVRAMBUF_SIZE && memblock != NULL) {
bufp = (char *) memblock;
#ifdef DHD_EFI
dhd_insert_random_mac_addr(bus->dhd, bufp, &len);
#endif /* DHD_EFI */
#ifdef CACHE_FW_IMAGES
if (bus->processed_nvram_params_len) {
len = bus->processed_nvram_params_len;
}
if (!bus->processed_nvram_params_len) {
bufp[len] = 0;
if (nvram_uefi_exists || nvram_file_exists) {
len = process_nvram_vars(bufp, len);
bus->processed_nvram_params_len = len;
}
} else
#else
{
bufp[len] = 0;
if (nvram_uefi_exists || nvram_file_exists) {
len = process_nvram_vars(bufp, len);
}
}
#endif /* CACHE_FW_IMAGES */
DHD_ERROR(("%s: process_nvram_vars len %d\n", __FUNCTION__, len));
#ifdef CUSTOMER_HW4_DEBUG
if (len < MIN_NVRAMVARS_SIZE) {
DHD_ERROR(("%s: invalid nvram size in process_nvram_vars \n",
__FUNCTION__));
bcmerror = BCME_ERROR;
goto err;
}
#endif /* CUSTOMER_HW4_DEBUG */
if (len % 4) {
len += 4 - (len % 4);
}
bufp += len;
*bufp++ = 0;
if (len)
bcmerror = dhdpcie_downloadvars(bus, memblock, len + 1);
if (bcmerror) {
DHD_ERROR(("%s: error downloading vars: %d\n",
__FUNCTION__, bcmerror));
}
}
err:
if (memblock) {
if (local_alloc) {
MFREE(bus->dhd->osh, memblock, MAX_NVRAMBUF_SIZE);
} else {
dhd_free_download_buffer(bus->dhd, memblock, MAX_NVRAMBUF_SIZE);
}
}
return bcmerror;
}
#if defined(BCMEMBEDIMAGE) && defined (BCM_ROUTER_DHD)
#ifdef DLIMAGE_43602a1
#define CHIPID_43602 BCM43602_CHIP_ID
#define CHIPID_43462 BCM43462_CHIP_ID
#define CHIPID_43522 BCM43522_CHIP_ID
#define CHIP_43602_CHIPREV_A0 0
#define CHIP_43602_CHIPREV_A1 1
#define CHIP_43602_PKG_OPT 1
#endif
#define CHIPID_NONE -1
struct fd_chip_image
{
unsigned char *dlarray;
int dlimagesize;
char *dlimagename;
char *dlimagever;
char *dliamgedate;
} static chip_dl_image_array[] __initdata =
{
#ifdef DLIMAGE_43602a1
{dlarray_43602a1, sizeof(dlarray_43602a1), dlimagename_43602a1,
dlimagever_43602a1, dlimagedate_43602a1},
#endif
/* {image attributes for other chips, only if image is compiled} */
};
enum chip_image_rev
{
#ifdef DLIMAGE_43602a1
CHIP_43602_A1_CHIP_IMAGE,
#endif
/* index in the above array */
};
struct chip_image_map
{
uint32 chipid;
uint32 chiprev;
uint32 chippkg;
uint32 image_idx;
} static chip_image_index_map_table [] __initdata =
{
#ifdef DLIMAGE_43602a1
{CHIPID_43602, CHIP_43602_CHIPREV_A1, CHIP_43602_PKG_OPT, CHIP_43602_A1_CHIP_IMAGE},
{CHIPID_43462, CHIP_43602_CHIPREV_A1, CHIP_43602_PKG_OPT, CHIP_43602_A1_CHIP_IMAGE},
{CHIPID_43522, CHIP_43602_CHIPREV_A1, CHIP_43602_PKG_OPT, CHIP_43602_A1_CHIP_IMAGE},
#endif
/* {for a given chipid, chiprev, chippkg, what is the index (the above enum) */
{CHIPID_NONE, 0, 0, 0} /* CHIPID_NONE is -1, used to mark end of list */
};
static void __init select_fd_image(
struct dhd_bus *bus, unsigned char **p_dlarray,
char **p_dlimagename, char **p_dlimagever,
char **p_dlimagedate, int *image_size) {
uint32 chipid, chiprev, chippkg_opt;
int image_index;
struct chip_image_map *p_image_index;
chipid = 0;
image_index = -1;
p_image_index = &chip_image_index_map_table[0];
while (chipid != CHIPID_NONE) {
chipid = p_image_index->chipid;
chiprev = p_image_index->chiprev;
chippkg_opt = p_image_index->chippkg;
if ((chipid == bus->sih->chip) && (chiprev == bus->sih->chiprev) &&
(chippkg_opt == bus->sih->chippkg)) {
image_index = p_image_index->image_idx;
break;
}
p_image_index++;
}
if (image_index != -1) {
*p_dlarray = chip_dl_image_array[image_index].dlarray;
*p_dlimagename = chip_dl_image_array[image_index].dlimagename;
*p_dlimagever = chip_dl_image_array[image_index].dlimagever;
*p_dlimagedate = chip_dl_image_array[image_index].dliamgedate;
*image_size = chip_dl_image_array[image_index].dlimagesize;
} else {
*p_dlarray = 0;
DHD_ERROR(("####################################################################\n"
"# %s: Dongle image not available for chipid = 0x%x"
" chiprev = %d chippkg = %d\n"
"####################################################################\n",
__FUNCTION__, bus->sih->chip, bus->sih->chiprev, bus->sih->chippkg));
}
}
#endif /* defined(BCMEMBEDIMAGE) && defined (BCM_ROUTER_DHD) */
#ifdef BCMEMBEDIMAGE
int
dhdpcie_download_code_array(struct dhd_bus *bus)
{
int bcmerror = -1;
int offset = 0;
unsigned char *p_dlarray = NULL;
unsigned int dlarray_size = 0;
unsigned int downloded_len, remaining_len, len;
char *p_dlimagename, *p_dlimagever, *p_dlimagedate;
uint8 *memblock = NULL, *memptr;
downloded_len = 0;
remaining_len = 0;
len = 0;
#ifdef DHD_EFI
p_dlarray = rtecdc_fw_arr;
dlarray_size = sizeof(rtecdc_fw_arr);
#else
#ifndef BCM_ROUTER_DHD
p_dlarray = dlarray;
dlarray_size = sizeof(dlarray);
p_dlimagename = dlimagename;
p_dlimagever = dlimagever;
p_dlimagedate = dlimagedate;
#else
select_fd_image(bus, &p_dlarray, &p_dlimagename, &p_dlimagever,
&p_dlimagedate, &dlarray_size);
#endif /* endif for BCM_ROUTER_DHD */
#endif /* DHD_EFI */
#ifndef DHD_EFI
if ((p_dlarray == 0) || (dlarray_size == 0) ||(dlarray_size > bus->ramsize) ||
(p_dlimagename == 0) || (p_dlimagever == 0) || (p_dlimagedate == 0))
goto err;
#endif /* DHD_EFI */
memptr = memblock = MALLOC(bus->dhd->osh, MEMBLOCK + DHD_SDALIGN);
if (memblock == NULL) {
DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", __FUNCTION__, MEMBLOCK));
goto err;
}
if ((uint32)(uintptr)memblock % DHD_SDALIGN)
memptr += (DHD_SDALIGN - ((uint32)(uintptr)memblock % DHD_SDALIGN));
while (downloded_len < dlarray_size) {
remaining_len = dlarray_size - downloded_len;
if (remaining_len >= MEMBLOCK)
len = MEMBLOCK;
else
len = remaining_len;
memcpy(memptr, (p_dlarray + downloded_len), len);
/* check if CR4/CA7 */
if (si_setcore(bus->sih, ARMCR4_CORE_ID, 0) ||
si_setcore(bus->sih, SYSMEM_CORE_ID, 0)) {
/* if address is 0, store the reset instruction to be written in 0 */
if (offset == 0) {
bus->resetinstr = *(((uint32*)memptr));
/* Add start of RAM address to the address given by user */
offset += bus->dongle_ram_base;
}
}
bcmerror = dhdpcie_bus_membytes(bus, TRUE, offset, (uint8 *)memptr, len);
downloded_len += len;
if (bcmerror) {
DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n",
__FUNCTION__, bcmerror, MEMBLOCK, offset));
goto err;
}
offset += MEMBLOCK;
}
#ifdef DHD_DEBUG
/* Upload and compare the downloaded code */
{
unsigned char *ularray = NULL;
unsigned int uploded_len;
uploded_len = 0;
bcmerror = -1;
ularray = MALLOC(bus->dhd->osh, dlarray_size);
if (ularray == NULL)
goto upload_err;
/* Upload image to verify downloaded contents. */
offset = bus->dongle_ram_base;
memset(ularray, 0xaa, dlarray_size);
while (uploded_len < dlarray_size) {
remaining_len = dlarray_size - uploded_len;
if (remaining_len >= MEMBLOCK)
len = MEMBLOCK;
else
len = remaining_len;
bcmerror = dhdpcie_bus_membytes(bus, FALSE, offset,
(uint8 *)(ularray + uploded_len), len);
if (bcmerror) {
DHD_ERROR(("%s: error %d on reading %d membytes at 0x%08x\n",
__FUNCTION__, bcmerror, MEMBLOCK, offset));
goto upload_err;
}
uploded_len += len;
offset += MEMBLOCK;
}
#ifdef DHD_EFI
if (memcmp(p_dlarray, ularray, dlarray_size)) {
DHD_ERROR(("%s: Downloaded image is corrupted ! \n", __FUNCTION__));
goto upload_err;
} else
DHD_ERROR(("%s: Download, Upload and compare succeeded .\n", __FUNCTION__));
#else
if (memcmp(p_dlarray, ularray, dlarray_size)) {
DHD_ERROR(("%s: Downloaded image is corrupted (%s, %s, %s).\n",
__FUNCTION__, p_dlimagename, p_dlimagever, p_dlimagedate));
goto upload_err;
} else
DHD_ERROR(("%s: Download, Upload and compare succeeded (%s, %s, %s).\n",
__FUNCTION__, p_dlimagename, p_dlimagever, p_dlimagedate));
#endif /* DHD_EFI */
upload_err:
if (ularray)
MFREE(bus->dhd->osh, ularray, dlarray_size);
}
#endif /* DHD_DEBUG */
err:
if (memblock)
MFREE(bus->dhd->osh, memblock, MEMBLOCK + DHD_SDALIGN);
return bcmerror;
} /* dhdpcie_download_code_array */
#endif /* BCMEMBEDIMAGE */
#ifdef BCM_ROUTER_DHD
static int
_dhdpcie_get_nvram_params(struct dhd_bus *bus)
{
int nvram_len = MAX_NVRAMBUF_SIZE;
int tmp_nvram_len, boardrev_str_len;
char *boardrev_str;
char *boardtype_str;
char *ptr;
bus->nvram_params = MALLOC(bus->dhd->osh, nvram_len);
if (!bus->nvram_params) {
DHD_ERROR(("%s: fail to get nvram buffer to download.\n", __FUNCTION__));
return -1;
}
bus->nvram_params[0] = 0;
ptr = bus->nvram_params;
/*
* For full dongle router platforms, we would have two dhd instances running,
* serving two radios, one for 5G and another for 2G. But, both dongle instances
* would come up as wl0, as one is not aware of the other. In order to avoid
* this situation, we pass the dhd instance number through nvram parameter
* wlunit=0 and wlunit=1 to the dongle and make sure the two dongle instances
* come up as wl0 and wl1.
*/
tmp_nvram_len = strlen("wlunit=xx\n\n") + 1;
tmp_nvram_len =
snprintf(ptr, tmp_nvram_len, "wlunit=%d", dhd_get_instance(bus->dhd));
ptr += (tmp_nvram_len + 1); /* leave NULL */
tmp_nvram_len++;
if ((boardrev_str = si_getdevpathvar(bus->sih, "boardrev")) == NULL)
boardrev_str = nvram_get("boardrev");
boardrev_str_len = strlen("boardrev=0xXXXX") + 1;
boardrev_str_len = snprintf(ptr, boardrev_str_len, "boardrev=%s",
boardrev_str? boardrev_str : BOARDREV_PROMOTABLE_STR);
ptr += (boardrev_str_len + 1); /* leave NULL */
tmp_nvram_len += (boardrev_str_len + 1);
/* If per device boardtype is not available, use global boardtype */
if ((boardtype_str = si_getdevpathvar(bus->sih, "boardtype")) == NULL) {
if ((boardtype_str = nvram_get("boardtype")) != NULL) {
int boardtype_str_len = 0;
boardtype_str_len = strlen("boardtype=0xXXXX") + 1;
boardtype_str_len = snprintf(ptr, boardtype_str_len,
"boardtype=%s", boardtype_str);
ptr += (boardtype_str_len + 1); /* leave NULL */
tmp_nvram_len += (boardtype_str_len + 1);
}
}
if (dbushost_initvars_flash(bus->sih,
bus->osh, &ptr,
(nvram_len - tmp_nvram_len)) != 0) {
DHD_ERROR(("%s: fail to read nvram from flash.\n", __FUNCTION__));
}
tmp_nvram_len = (int)(ptr - bus->nvram_params);
bcopy(STR_END, ptr, sizeof(STR_END));
tmp_nvram_len += sizeof(STR_END);
bus->nvram_params_len = tmp_nvram_len;
return 0;
}
static void
_dhdpcie_free_nvram_params(struct dhd_bus *bus)
{
if (bus->nvram_params) {
MFREE(bus->dhd->osh, bus->nvram_params, MAX_NVRAMBUF_SIZE);
}
}
/** Handler to send a signal to the dhdmonitor process to notify of firmware traps */
void
dhdpcie_handle_dongle_trap(struct dhd_bus *bus)
{
char *failed_if;
/* Call the bus module watchdog */
dhd_bus_watchdog(bus->dhd);
/* Get the failed interface name to be later used by
* dhd_monitor to capture the required logs
*/
failed_if = dhd_ifname(bus->dhd, 0);
dhd_schedule_trap_log_dump(bus->dhd, (uint8 *)failed_if, strlen(failed_if));
}
#endif /* BCM_ROUTER_DHD */
/**
* Downloads firmware file given by 'bus->fw_path' into PCIe dongle
*
* BCMEMBEDIMAGE specific:
* If bus->fw_path is empty, or if the download of bus->fw_path failed, firmware contained in header
* file will be used instead.
*
*/
static int
_dhdpcie_download_firmware(struct dhd_bus *bus)
{
int bcmerror = -1;
bool embed = FALSE; /* download embedded firmware */
bool dlok = FALSE; /* download firmware succeeded */
/* Out immediately if no image to download */
if ((bus->fw_path == NULL) || (bus->fw_path[0] == '\0')) {
#ifdef BCMEMBEDIMAGE
embed = TRUE;
#else
DHD_ERROR(("%s: no fimrware file\n", __FUNCTION__));
return 0;
#endif
}
#ifdef BCM_ROUTER_DHD
if (_dhdpcie_get_nvram_params(bus) < 0) {
DHD_ERROR(("%s: fail to get nvram from system.\n", __FUNCTION__));
return 0;
}
#endif
/* Keep arm in reset */
if (dhdpcie_bus_download_state(bus, TRUE)) {
DHD_ERROR(("%s: error placing ARM core in reset\n", __FUNCTION__));
goto err;
}
/* External image takes precedence if specified */
if ((bus->fw_path != NULL) && (bus->fw_path[0] != '\0')) {
if (dhdpcie_download_code_file(bus, bus->fw_path)) {
DHD_ERROR(("%s:%d dongle image file download failed\n", __FUNCTION__,
__LINE__));
#ifdef BCMEMBEDIMAGE
embed = TRUE;
#else
goto err;
#endif
} else {
embed = FALSE;
dlok = TRUE;
}
}
#ifdef BCMEMBEDIMAGE
if (embed) {
if (dhdpcie_download_code_array(bus)) {
DHD_ERROR(("%s: dongle image array download failed\n", __FUNCTION__));
goto err;
} else {
dlok = TRUE;
}
}
#else
BCM_REFERENCE(embed);
#endif
if (!dlok) {
DHD_ERROR(("%s:%d dongle image download failed\n", __FUNCTION__, __LINE__));
goto err;
}
/* EXAMPLE: nvram_array */
/* If a valid nvram_arry is specified as above, it can be passed down to dongle */
/* dhd_bus_set_nvram_params(bus, (char *)&nvram_array); */
/* External nvram takes precedence if specified */
if (dhdpcie_download_nvram(bus)) {
DHD_ERROR(("%s:%d dongle nvram file download failed\n", __FUNCTION__, __LINE__));
goto err;
}
/* Take arm out of reset */
if (dhdpcie_bus_download_state(bus, FALSE)) {
DHD_ERROR(("%s: error getting out of ARM core reset\n", __FUNCTION__));
goto err;
}
bcmerror = 0;
err:
#ifdef BCM_ROUTER_DHD
_dhdpcie_free_nvram_params(bus);
#endif /* BCM_ROUTER_DHD */
return bcmerror;
} /* _dhdpcie_download_firmware */
static int
dhdpcie_bus_readconsole(dhd_bus_t *bus)
{
dhd_console_t *c = &bus->console;
uint8 line[CONSOLE_LINE_MAX], ch;
uint32 n, idx, addr;
int rv;
uint readlen = 0;
uint i = 0;
/* Don't do anything until FWREADY updates console address */
if (bus->console_addr == 0)
return -1;
/* Read console log struct */
addr = bus->console_addr + OFFSETOF(hnd_cons_t, log);
if ((rv = dhdpcie_bus_membytes(bus, FALSE, addr, (uint8 *)&c->log, sizeof(c->log))) < 0)
return rv;
/* Allocate console buffer (one time only) */
if (c->buf == NULL) {
c->bufsize = ltoh32(c->log.buf_size);
if ((c->buf = MALLOC(bus->dhd->osh, c->bufsize)) == NULL)
return BCME_NOMEM;
DHD_PCIE_INFO(("conlog: bufsize=0x%x\n", c->bufsize));
}
idx = ltoh32(c->log.idx);
/* Protect against corrupt value */
if (idx > c->bufsize)
return BCME_ERROR;
/* Skip reading the console buffer if the index pointer has not moved */
if (idx == c->last)
return BCME_OK;
DHD_PCIE_INFO(("conlog: addr=0x%x, idx=0x%x, last=0x%x \n", c->log.buf,
idx, c->last));
/* Read the console buffer data to a local buffer
* optimize and read only the portion of the buffer needed, but
* important to handle wrap-around. Read ptr is 'c->last',
* write ptr is 'idx'
*/
addr = ltoh32(c->log.buf);
/* wrap around case - write ptr < read ptr */
if (idx < c->last) {
/* from read ptr to end of buffer */
readlen = c->bufsize - c->last;
if ((rv = dhdpcie_bus_membytes(bus, FALSE,
addr + c->last, c->buf, readlen)) < 0) {
DHD_ERROR(("conlog: read error[1] ! \n"));
return rv;
}
/* from beginning of buffer to write ptr */
if ((rv = dhdpcie_bus_membytes(bus, FALSE,
addr, c->buf + readlen,
idx)) < 0) {
DHD_ERROR(("conlog: read error[2] ! \n"));
return rv;
}
readlen += idx;
} else {
/* non-wraparound case, write ptr > read ptr */
readlen = (uint)idx - c->last;
if ((rv = dhdpcie_bus_membytes(bus, FALSE,
addr + c->last, c->buf, readlen)) < 0) {
DHD_ERROR(("conlog: read error[3] ! \n"));
return rv;
}
}
/* update read ptr */
c->last = idx;
/* now output the read data from the local buffer to the host console */
while (i < readlen) {
for (n = 0; n < CONSOLE_LINE_MAX - 2 && i < readlen; n++) {
ch = c->buf[i];
++i;
if (ch == '\n')
break;
line[n] = ch;
}
if (n > 0) {
if (line[n - 1] == '\r')
n--;
line[n] = 0;
printf("CONSOLE: %s\n", line);
}
}
return BCME_OK;
} /* dhdpcie_bus_readconsole */
void
dhd_bus_dump_console_buffer(dhd_bus_t *bus)
{
uint32 n, i;
uint32 addr;
char *console_buffer = NULL;
uint32 console_ptr, console_size, console_index;
uint8 line[CONSOLE_LINE_MAX], ch;
int rv;
DHD_ERROR(("%s: Dump Complete Console Buffer\n", __FUNCTION__));
if (bus->is_linkdown) {
DHD_ERROR(("%s: Skip dump Console Buffer due to PCIe link down\n", __FUNCTION__));
return;
}
addr = bus->pcie_sh->console_addr + OFFSETOF(hnd_cons_t, log);
if ((rv = dhdpcie_bus_membytes(bus, FALSE, addr,
(uint8 *)&console_ptr, sizeof(console_ptr))) < 0) {
goto exit;
}
addr = bus->pcie_sh->console_addr + OFFSETOF(hnd_cons_t, log.buf_size);
if ((rv = dhdpcie_bus_membytes(bus, FALSE, addr,
(uint8 *)&console_size, sizeof(console_size))) < 0) {
goto exit;
}
addr = bus->pcie_sh->console_addr + OFFSETOF(hnd_cons_t, log.idx);
if ((rv = dhdpcie_bus_membytes(bus, FALSE, addr,
(uint8 *)&console_index, sizeof(console_index))) < 0) {
goto exit;
}
console_ptr = ltoh32(console_ptr);
console_size = ltoh32(console_size);
console_index = ltoh32(console_index);
if (console_size > CONSOLE_BUFFER_MAX ||
!(console_buffer = MALLOC(bus->dhd->osh, console_size))) {
goto exit;
}
if ((rv = dhdpcie_bus_membytes(bus, FALSE, console_ptr,
(uint8 *)console_buffer, console_size)) < 0) {
goto exit;
}
for (i = 0, n = 0; i < console_size; i += n + 1) {
for (n = 0; n < CONSOLE_LINE_MAX - 2; n++) {
ch = console_buffer[(console_index + i + n) % console_size];
if (ch == '\n')
break;
line[n] = ch;
}
if (n > 0) {
if (line[n - 1] == '\r')
n--;
line[n] = 0;
/* Don't use DHD_ERROR macro since we print
* a lot of information quickly. The macro
* will truncate a lot of the printfs
*/
printf("CONSOLE: %s\n", line);
}
}
exit:
if (console_buffer)
MFREE(bus->dhd->osh, console_buffer, console_size);
return;
}
static void
dhdpcie_schedule_log_dump(dhd_bus_t *bus)
{
#if defined(DHD_DUMP_FILE_WRITE_FROM_KERNEL) && defined(DHD_LOG_DUMP)
log_dump_type_t *flush_type;
/* flush_type is freed at do_dhd_log_dump function */
flush_type = MALLOCZ(bus->dhd->osh, sizeof(log_dump_type_t));
if (flush_type) {
*flush_type = DLD_BUF_TYPE_ALL;
dhd_schedule_log_dump(bus->dhd, flush_type);
} else {
DHD_ERROR(("%s Fail to malloc flush_type\n", __FUNCTION__));
}
#endif /* DHD_DUMP_FILE_WRITE_FROM_KERNEL && DHD_LOG_DUMP */
}
/**
* Opens the file given by bus->fw_path, reads part of the file into a buffer and closes the file.
*
* @return BCME_OK on success
*/
static int
dhdpcie_checkdied(dhd_bus_t *bus, char *data, uint size)
{
int bcmerror = 0;
uint msize = 512;
char *mbuffer = NULL;
uint maxstrlen = 256;
char *str = NULL;
pciedev_shared_t *local_pciedev_shared = bus->pcie_sh;
struct bcmstrbuf strbuf;
unsigned long flags;
bool dongle_trap_occured = FALSE;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
if (DHD_NOCHECKDIED_ON()) {
return 0;
}
if (data == NULL) {
/*
* Called after a rx ctrl timeout. "data" is NULL.
* allocate memory to trace the trap or assert.
*/
size = msize;
mbuffer = data = MALLOC(bus->dhd->osh, msize);
if (mbuffer == NULL) {
DHD_ERROR(("%s: MALLOC(%d) failed \n", __FUNCTION__, msize));
bcmerror = BCME_NOMEM;
goto done2;
}
}
if ((str = MALLOC(bus->dhd->osh, maxstrlen)) == NULL) {
DHD_ERROR(("%s: MALLOC(%d) failed \n", __FUNCTION__, maxstrlen));
bcmerror = BCME_NOMEM;
goto done2;
}
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_BUS_BUSY_SET_IN_CHECKDIED(bus->dhd);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
if ((bcmerror = dhdpcie_readshared(bus)) < 0) {
goto done1;
}
bcm_binit(&strbuf, data, size);
bcm_bprintf(&strbuf, "msgtrace address : 0x%08X\nconsole address : 0x%08X\n",
local_pciedev_shared->msgtrace_addr, local_pciedev_shared->console_addr);
if ((local_pciedev_shared->flags & PCIE_SHARED_ASSERT_BUILT) == 0) {
/* NOTE: Misspelled assert is intentional - DO NOT FIX.
* (Avoids conflict with real asserts for programmatic parsing of output.)
*/
bcm_bprintf(&strbuf, "Assrt not built in dongle\n");
}
if ((bus->pcie_sh->flags & (PCIE_SHARED_ASSERT|PCIE_SHARED_TRAP)) == 0) {
/* NOTE: Misspelled assert is intentional - DO NOT FIX.
* (Avoids conflict with real asserts for programmatic parsing of output.)
*/
bcm_bprintf(&strbuf, "No trap%s in dongle",
(bus->pcie_sh->flags & PCIE_SHARED_ASSERT_BUILT)
?"/assrt" :"");
} else {
if (bus->pcie_sh->flags & PCIE_SHARED_ASSERT) {
/* Download assert */
bcm_bprintf(&strbuf, "Dongle assert");
if (bus->pcie_sh->assert_exp_addr != 0) {
str[0] = '\0';
if ((bcmerror = dhdpcie_bus_membytes(bus, FALSE,
bus->pcie_sh->assert_exp_addr,
(uint8 *)str, maxstrlen)) < 0) {
goto done1;
}
str[maxstrlen - 1] = '\0';
bcm_bprintf(&strbuf, " expr \"%s\"", str);
}
if (bus->pcie_sh->assert_file_addr != 0) {
str[0] = '\0';
if ((bcmerror = dhdpcie_bus_membytes(bus, FALSE,
bus->pcie_sh->assert_file_addr,
(uint8 *)str, maxstrlen)) < 0) {
goto done1;
}
str[maxstrlen - 1] = '\0';
bcm_bprintf(&strbuf, " file \"%s\"", str);
}
bcm_bprintf(&strbuf, " line %d ", bus->pcie_sh->assert_line);
}
if (bus->pcie_sh->flags & PCIE_SHARED_TRAP) {
trap_t *tr = &bus->dhd->last_trap_info;
dongle_trap_occured = TRUE;
if ((bcmerror = dhdpcie_bus_membytes(bus, FALSE,
bus->pcie_sh->trap_addr, (uint8*)tr, sizeof(trap_t))) < 0) {
bus->dhd->dongle_trap_occured = TRUE;
goto done1;
}
dhd_bus_dump_trap_info(bus, &strbuf);
}
}
if (bus->pcie_sh->flags & (PCIE_SHARED_ASSERT | PCIE_SHARED_TRAP)) {
printf("%s: %s\n", __FUNCTION__, strbuf.origbuf);
#ifdef REPORT_FATAL_TIMEOUTS
/**
* stop the timers as FW trapped
*/
if (dhd_stop_scan_timer(bus->dhd, FALSE, 0)) {
DHD_ERROR(("dhd_stop_scan_timer failed\n"));
ASSERT(0);
}
if (dhd_stop_bus_timer(bus->dhd)) {
DHD_ERROR(("dhd_stop_bus_timer failed\n"));
ASSERT(0);
}
if (dhd_stop_cmd_timer(bus->dhd)) {
DHD_ERROR(("dhd_stop_cmd_timer failed\n"));
ASSERT(0);
}
if (dhd_stop_join_timer(bus->dhd)) {
DHD_ERROR(("dhd_stop_join_timer failed\n"));
ASSERT(0);
}
#endif /* REPORT_FATAL_TIMEOUTS */
/* wake up IOCTL wait event */
dhd_wakeup_ioctl_event(bus->dhd, IOCTL_RETURN_ON_TRAP);
dhd_bus_dump_console_buffer(bus);
dhd_prot_debug_info_print(bus->dhd);
#if defined(DHD_FW_COREDUMP)
/* save core dump or write to a file */
if (bus->dhd->memdump_enabled) {
#ifdef DHD_SSSR_DUMP
DHD_ERROR(("%s : Set collect_sssr as TRUE\n", __FUNCTION__));
bus->dhd->collect_sssr = TRUE;
#endif /* DHD_SSSR_DUMP */
#ifdef DHD_SDTC_ETB_DUMP
DHD_ERROR(("%s : Set collect_sdtc as TRUE\n", __FUNCTION__));
bus->dhd->collect_sdtc = TRUE;
#endif /* DHD_SDTC_ETB_DUMP */
bus->dhd->memdump_type = DUMP_TYPE_DONGLE_TRAP;
dhdpcie_mem_dump(bus);
}
#endif /* DHD_FW_COREDUMP */
/* set the trap occured flag only after all the memdump,
* logdump and sssr dump collection has been scheduled
*/
if (dongle_trap_occured) {
bus->dhd->dongle_trap_occured = TRUE;
if (bus->dhd->check_trap_rot &&
bus->dhd->ext_trap_data_supported &&
bus->pcie_sh->flags2 & PCIE_SHARED2_ETD_ADDR_SUPPORT) {
uint32 trap_data = *(uint32 *)bus->dhd->extended_trap_data;
DHD_ERROR(("%s : etd data : %x\n", __FUNCTION__, trap_data));
if (!(trap_data & D2H_DEV_EXT_TRAP_DATA)) {
uint32 *ext_data = bus->dhd->extended_trap_data;
/* Skip the first word which is trap_data */
ext_data++;
DHD_ERROR(("Dongle trap but no etd\n"));
if (dhdpcie_bus_membytes(bus, FALSE,
local_pciedev_shared->etd_addr,
(uint8 *)ext_data,
BCMPCIE_EXT_TRAP_DATA_MAXLEN -
sizeof(trap_data)) < 0) {
DHD_ERROR(("Error to read etd from dongle\n"));
}
} else {
DHD_ERROR(("Dongle trap with etd\n"));
}
}
}
#ifdef WL_CFGVENDOR_SEND_HANG_EVENT
copy_hang_info_trap(bus->dhd);
#endif /* WL_CFGVENDOR_SEND_HANG_EVENT */
dhd_schedule_reset(bus->dhd);
#ifdef NDIS
/* ASSERT only if hang detection/recovery is disabled. If enabled then let
* windows HDR mechansim trigger FW download via surprise removal
*/
dhd_bus_check_died(bus);
#endif
}
done1:
if (bcmerror) {
/* dhdpcie_checkdied is invoked only when dongle has trapped
* or after PCIe link down..etc. so set dongle_trap_occured so that
* log_dump logic can rely on only one flag dongle_trap_occured.
*/
bus->dhd->dongle_trap_occured = TRUE;
dhdpcie_schedule_log_dump(bus);
}
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_BUS_BUSY_CLEAR_IN_CHECKDIED(bus->dhd);
dhd_os_busbusy_wake(bus->dhd);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
done2:
if (mbuffer)
MFREE(bus->dhd->osh, mbuffer, msize);
if (str)
MFREE(bus->dhd->osh, str, maxstrlen);
return bcmerror;
} /* dhdpcie_checkdied */
/* Custom copy of dhdpcie_mem_dump() that can be called at interrupt level */
void dhdpcie_mem_dump_bugcheck(dhd_bus_t *bus, uint8 *buf)
{
int ret = 0;
int size; /* Full mem size */
int start; /* Start address */
int read_size = 0; /* Read size of each iteration */
uint8 *databuf = buf;
if (bus == NULL) {
return;
}
start = bus->dongle_ram_base;
read_size = 4;
/* check for dead bus */
{
uint test_word = 0;
ret = dhdpcie_bus_membytes(bus, FALSE, start, (uint8*)&test_word, read_size);
/* if read error or bus timeout */
if (ret || (test_word == 0xFFFFFFFF)) {
return;
}
}
/* Get full mem size */
size = bus->ramsize;
/* Read mem content */
while (size)
{
read_size = MIN(MEMBLOCK, size);
if ((ret = dhdpcie_bus_membytes(bus, FALSE, start, databuf, read_size))) {
return;
}
/* Decrement size and increment start address */
size -= read_size;
start += read_size;
databuf += read_size;
}
bus->dhd->soc_ram = buf;
bus->dhd->soc_ram_length = bus->ramsize;
return;
}
#if defined(DHD_FW_COREDUMP)
static int
dhdpcie_get_mem_dump(dhd_bus_t *bus)
{
int ret = BCME_OK;
int size = 0;
int start = 0;
int read_size = 0; /* Read size of each iteration */
uint8 *p_buf = NULL, *databuf = NULL;
#ifdef BOARD_HIKEY
unsigned long flags_bus;
#endif /* BOARD_HIKEY */
if (!bus) {
DHD_ERROR(("%s: bus is NULL\n", __FUNCTION__));
return BCME_ERROR;
}
if (!bus->dhd) {
DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__));
return BCME_ERROR;
}
size = bus->ramsize; /* Full mem size */
start = bus->dongle_ram_base; /* Start address */
/* Get full mem size */
p_buf = dhd_get_fwdump_buf(bus->dhd, size);
if (!p_buf) {
DHD_ERROR(("%s: Out of memory (%d bytes)\n",
__FUNCTION__, size));
return BCME_ERROR;
}
/* Read mem content */
DHD_TRACE_HW4(("Dump dongle memory\n"));
databuf = p_buf;
while (size > 0) {
read_size = MIN(MEMBLOCK, size);
#ifdef BOARD_HIKEY
/* Hold BUS_LP_STATE_LOCK to avoid simultaneous bus access */
DHD_BUS_LP_STATE_LOCK(bus->bus_lp_state_lock, flags_bus);
#endif /* BOARD_HIKEY */
ret = dhdpcie_bus_membytes(bus, FALSE, start, databuf, read_size);
#ifdef BOARD_HIKEY
DHD_BUS_LP_STATE_UNLOCK(bus->bus_lp_state_lock, flags_bus);
#endif /* BOARD_HIKEY */
if (ret) {
DHD_ERROR(("%s: Error membytes %d\n", __FUNCTION__, ret));
#ifdef DHD_DEBUG_UART
bus->dhd->memdump_success = FALSE;
#endif /* DHD_DEBUG_UART */
break;
}
DHD_TRACE(("."));
/* Decrement size and increment start address */
size -= read_size;
start += read_size;
databuf += read_size;
}
return ret;
}
static int
dhdpcie_mem_dump(dhd_bus_t *bus)
{
dhd_pub_t *dhdp;
int ret;
uint32 dhd_console_ms_prev = 0;
dhdp = bus->dhd;
if (!dhdp) {
DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__));
return BCME_ERROR;
}
dhd_console_ms_prev = dhdp->dhd_console_ms;
if (dhd_console_ms_prev) {
DHD_ERROR(("%s: Disabling console msgs(0x%d) before mem dump to local buf\n",
__FUNCTION__, dhd_console_ms_prev));
dhdp->dhd_console_ms = 0;
}
#ifdef EXYNOS_PCIE_DEBUG
exynos_pcie_register_dump(1);
#endif /* EXYNOS_PCIE_DEBUG */
#ifdef SUPPORT_LINKDOWN_RECOVERY
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link is down so skip\n", __FUNCTION__));
/* panic only for DUMP_MEMFILE_BUGON */
ASSERT(bus->dhd->memdump_enabled != DUMP_MEMFILE_BUGON);
ret = BCME_ERROR;
goto exit;
}
#endif /* SUPPORT_LINKDOWN_RECOVERY */
if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhdp)) {
DHD_ERROR(("%s: bus is down! can't collect mem dump. \n", __FUNCTION__));
ret = BCME_ERROR;
goto exit;
}
/* Induce DB7 trap for below non-trap cases */
switch (dhdp->memdump_type) {
case DUMP_TYPE_RESUMED_ON_TIMEOUT:
/* intentional fall through */
case DUMP_TYPE_D3_ACK_TIMEOUT:
/* intentional fall through */
case DUMP_TYPE_PKTID_AUDIT_FAILURE:
/* intentional fall through */
case DUMP_TYPE_PKTID_INVALID:
/* intentional fall through */
case DUMP_TYPE_SCAN_TIMEOUT:
/* intentional fall through */
case DUMP_TYPE_SCAN_BUSY:
/* intentional fall through */
case DUMP_TYPE_BY_LIVELOCK:
/* intentional fall through */
case DUMP_TYPE_IFACE_OP_FAILURE:
/* intentional fall through */
case DUMP_TYPE_PKTID_POOL_DEPLETED:
/* intentional fall through */
case DUMP_TYPE_ESCAN_SYNCID_MISMATCH:
/* intentional fall through */
case DUMP_TYPE_INVALID_SHINFO_NRFRAGS:
if (dhdp->db7_trap.fw_db7w_trap) {
/* Set fw_db7w_trap_inprogress here and clear from DPC */
dhdp->db7_trap.fw_db7w_trap_inprogress = TRUE;
dhdpcie_fw_trap(dhdp->bus);
OSL_DELAY(100 * 1000); // wait 100 msec
} else {
DHD_ERROR(("%s: DB7 Not supported!!!\n",
__FUNCTION__));
}
break;
default:
break;
}
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
if (pm_runtime_get_sync(dhd_bus_to_dev(bus)) < 0)
return BCME_ERROR;
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
ret = dhdpcie_get_mem_dump(bus);
if (ret) {
DHD_ERROR(("%s: failed to get mem dump, err=%d\n",
__FUNCTION__, ret));
goto exit;
}
#ifdef DHD_DEBUG_UART
bus->dhd->memdump_success = TRUE;
#endif /* DHD_DEBUG_UART */
#ifdef BCMINTERNAL
/* TODO: for host offload firmware, need to modify the stack and pc/lr to point it back to
* the original offset so gdb can match with symbol files
*/
#endif
dhd_schedule_memdump(dhdp, dhdp->soc_ram, dhdp->soc_ram_length);
/* buf, actually soc_ram free handled in dhd_{free,clear} */
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
pm_runtime_mark_last_busy(dhd_bus_to_dev(bus));
pm_runtime_put_autosuspend(dhd_bus_to_dev(bus));
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
exit:
if (dhd_console_ms_prev) {
DHD_ERROR(("%s: enable console msgs(0x%d) after collecting memdump to local buf\n",
__FUNCTION__, dhd_console_ms_prev));
dhdp->dhd_console_ms = dhd_console_ms_prev;
}
return ret;
}
int
dhd_bus_get_mem_dump(dhd_pub_t *dhdp)
{
if (!dhdp) {
DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__));
return BCME_ERROR;
}
return dhdpcie_get_mem_dump(dhdp->bus);
}
int
dhd_bus_mem_dump(dhd_pub_t *dhdp)
{
dhd_bus_t *bus = dhdp->bus;
int ret = BCME_ERROR;
if (dhdp->busstate == DHD_BUS_DOWN) {
DHD_ERROR(("%s bus is down\n", __FUNCTION__));
return BCME_ERROR;
}
/* Try to resume if already suspended or suspend in progress */
#ifdef DHD_PCIE_RUNTIMEPM
dhdpcie_runtime_bus_wake(dhdp, CAN_SLEEP(), __builtin_return_address(0));
#endif /* DHD_PCIE_RUNTIMEPM */
/* Skip if still in suspended or suspend in progress */
if (DHD_BUS_CHECK_SUSPEND_OR_ANY_SUSPEND_IN_PROGRESS(dhdp)) {
DHD_ERROR(("%s: bus is in suspend(%d) or suspending(0x%x) state, so skip\n",
__FUNCTION__, dhdp->busstate, dhdp->dhd_bus_busy_state));
return BCME_ERROR;
}
DHD_OS_WAKE_LOCK(dhdp);
ret = dhdpcie_mem_dump(bus);
DHD_OS_WAKE_UNLOCK(dhdp);
return ret;
}
#endif /* DHD_FW_COREDUMP */
int
dhd_socram_dump(dhd_bus_t *bus)
{
#if defined(DHD_FW_COREDUMP)
DHD_OS_WAKE_LOCK(bus->dhd);
dhd_bus_mem_dump(bus->dhd);
DHD_OS_WAKE_UNLOCK(bus->dhd);
return 0;
#else
return -1;
#endif
}
/**
* Transfers bytes from host to dongle using pio mode.
* Parameter 'address' is a backplane address.
*/
static int
dhdpcie_bus_membytes(dhd_bus_t *bus, bool write, ulong address, uint8 *data, uint size)
{
uint dsize;
int detect_endian_flag = 0x01;
bool little_endian;
if (write && bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down\n", __FUNCTION__));
return BCME_ERROR;
}
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
/* Detect endianness. */
little_endian = *(char *)&detect_endian_flag;
/* In remap mode, adjust address beyond socram and redirect
* to devram at SOCDEVRAM_BP_ADDR since remap address > orig_ramsize
* is not backplane accessible
*/
/* Determine initial transfer parameters */
#ifdef DHD_SUPPORT_64BIT
dsize = sizeof(uint64);
#else /* !DHD_SUPPORT_64BIT */
dsize = sizeof(uint32);
#endif /* DHD_SUPPORT_64BIT */
/* Do the transfer(s) */
DHD_INFO(("%s: %s %d bytes in window 0x%08lx\n",
__FUNCTION__, (write ? "write" : "read"), size, address));
if (write) {
while (size) {
#ifdef DHD_SUPPORT_64BIT
if (size >= sizeof(uint64) && little_endian && !(address % 8)) {
dhdpcie_bus_wtcm64(bus, address, *((uint64 *)data));
}
#else /* !DHD_SUPPORT_64BIT */
if (size >= sizeof(uint32) && little_endian && !(address % 4)) {
dhdpcie_bus_wtcm32(bus, address, *((uint32*)data));
}
#endif /* DHD_SUPPORT_64BIT */
else {
dsize = sizeof(uint8);
dhdpcie_bus_wtcm8(bus, address, *data);
}
/* Adjust for next transfer (if any) */
if ((size -= dsize)) {
data += dsize;
address += dsize;
}
}
} else {
while (size) {
#ifdef DHD_SUPPORT_64BIT
if (size >= sizeof(uint64) && little_endian && !(address % 8))
{
*(uint64 *)data = dhdpcie_bus_rtcm64(bus, address);
}
#else /* !DHD_SUPPORT_64BIT */
if (size >= sizeof(uint32) && little_endian && !(address % 4))
{
*(uint32 *)data = dhdpcie_bus_rtcm32(bus, address);
}
#endif /* DHD_SUPPORT_64BIT */
else {
dsize = sizeof(uint8);
*data = dhdpcie_bus_rtcm8(bus, address);
}
/* Adjust for next transfer (if any) */
if ((size -= dsize) > 0) {
data += dsize;
address += dsize;
}
}
}
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
return BCME_OK;
} /* dhdpcie_bus_membytes */
extern bool agg_h2d_db_enab;
/**
* Transfers one transmit (ethernet) packet that was queued in the (flow controlled) flow ring queue
* to the (non flow controlled) flow ring.
*/
int
BCMFASTPATH(dhd_bus_schedule_queue)(struct dhd_bus *bus, uint16 flow_id, bool txs)
/** XXX function name could be more descriptive, eg use 'tx' and 'flow ring' in name */
{
flow_ring_node_t *flow_ring_node;
int ret = BCME_OK;
#ifdef DHD_LOSSLESS_ROAMING
dhd_pub_t *dhdp = bus->dhd;
#endif
DHD_PCIE_INFO(("%s: flow_id is %d\n", __FUNCTION__, flow_id));
/* ASSERT on flow_id */
if (flow_id >= bus->max_submission_rings) {
DHD_ERROR(("%s: flow_id is invalid %d, max %d\n", __FUNCTION__,
flow_id, bus->max_submission_rings));
return 0;
}
flow_ring_node = DHD_FLOW_RING(bus->dhd, flow_id);
if (flow_ring_node->prot_info == NULL) {
DHD_ERROR((" %s : invalid flow_ring_node \n", __FUNCTION__));
return BCME_NOTREADY;
}
#ifdef DHD_LOSSLESS_ROAMING
if ((dhdp->dequeue_prec_map & (1 << flow_ring_node->flow_info.tid)) == 0) {
DHD_ERROR_RLMT(("%s: roam in progress, tid %d is not in precedence map 0x%x."
" block scheduling\n",
__FUNCTION__, flow_ring_node->flow_info.tid, dhdp->dequeue_prec_map));
return BCME_OK;
}
#endif /* DHD_LOSSLESS_ROAMING */
{
unsigned long flags;
void *txp = NULL;
flow_queue_t *queue;
#ifdef TPUT_MONITOR
int pktlen;
#endif
queue = &flow_ring_node->queue; /* queue associated with flow ring */
DHD_FLOWRING_LOCK(flow_ring_node->lock, flags);
if (flow_ring_node->status != FLOW_RING_STATUS_OPEN) {
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
return BCME_NOTREADY;
}
while ((txp = dhd_flow_queue_dequeue(bus->dhd, queue)) != NULL) {
if (bus->dhd->conf->orphan_move <= 1)
PKTORPHAN(txp, bus->dhd->conf->tsq);
/*
* Modifying the packet length caused P2P cert failures.
* Specifically on test cases where a packet of size 52 bytes
* was injected, the sniffer capture showed 62 bytes because of
* which the cert tests failed. So making the below change
* only Router specific.
*/
#if defined(BCM_ROUTER_DHD)
if (PKTLEN(bus->dhd->osh, txp) < (ETHER_MIN_LEN - ETHER_CRC_LEN)) {
PKTSETLEN(bus->dhd->osh, txp, (ETHER_MIN_LEN - ETHER_CRC_LEN));
}
#endif /* BCM_ROUTER_DHD */
#ifdef DHDTCPACK_SUPPRESS
if (bus->dhd->tcpack_sup_mode != TCPACK_SUP_HOLD) {
ret = dhd_tcpack_check_xmit(bus->dhd, txp);
if (ret != BCME_OK) {
DHD_ERROR(("%s: dhd_tcpack_check_xmit() error.\n",
__FUNCTION__));
}
}
#endif /* DHDTCPACK_SUPPRESS */
/* Attempt to transfer packet over flow ring */
/* XXX: ifidx is wrong */
#ifdef TPUT_MONITOR
pktlen = PKTLEN(OSH_NULL, txp);
if ((bus->dhd->conf->data_drop_mode == TXPKT_DROP) && (pktlen > 500))
ret = BCME_OK;
else
#endif
ret = dhd_prot_txdata(bus->dhd, txp, flow_ring_node->flow_info.ifindex);
if (ret != BCME_OK) { /* may not have resources in flow ring */
DHD_INFO(("%s: Reinserrt %d\n", __FUNCTION__, ret));
#ifdef AGG_H2D_DB
if (agg_h2d_db_enab) {
dhd_prot_schedule_aggregate_h2d_db(bus->dhd, flow_id);
} else
#endif /* AGG_H2D_DB */
{
dhd_prot_txdata_write_flush(bus->dhd, flow_id);
}
/* reinsert at head */
dhd_flow_queue_reinsert(bus->dhd, queue, txp);
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
/* If we are able to requeue back, return success */
return BCME_OK;
}
#ifdef DHD_MEM_STATS
DHD_MEM_STATS_LOCK(bus->dhd->mem_stats_lock, flags);
bus->dhd->txpath_mem += PKTLEN(bus->dhd->osh, txp);
DHD_PCIE_INFO(("%s txpath_mem: %llu PKTLEN: %d\n",
__FUNCTION__, bus->dhd->txpath_mem, PKTLEN(bus->dhd->osh, txp)));
DHD_MEM_STATS_UNLOCK(bus->dhd->mem_stats_lock, flags);
#endif /* DHD_MEM_STATS */
}
#ifdef DHD_HP2P
if (!flow_ring_node->hp2p_ring)
#endif /* DHD_HP2P */
{
#ifdef AGG_H2D_DB
if (agg_h2d_db_enab) {
dhd_prot_schedule_aggregate_h2d_db(bus->dhd, flow_id);
} else
#endif /* AGG_H2D_DB */
{
dhd_prot_txdata_write_flush(bus->dhd, flow_id);
}
}
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
}
return ret;
} /* dhd_bus_schedule_queue */
/** Sends an (ethernet) data frame (in 'txp') to the dongle. Callee disposes of txp. */
int
BCMFASTPATH(dhd_bus_txdata)(struct dhd_bus *bus, void *txp, uint8 ifidx)
{
uint16 flowid;
#ifdef IDLE_TX_FLOW_MGMT
uint8 node_status;
#endif /* IDLE_TX_FLOW_MGMT */
flow_queue_t *queue;
flow_ring_node_t *flow_ring_node;
unsigned long flags;
int ret = BCME_OK;
void *txp_pend = NULL;
#if (defined(BCM_ROUTER_DHD) && defined(HNDCTF))
void *ntxp = NULL;
uint8 prio = PKTPRIO(txp);
#endif
if (!bus->dhd->flowid_allocator) {
DHD_ERROR(("%s: Flow ring not intited yet \n", __FUNCTION__));
goto toss;
}
flowid = DHD_PKT_GET_FLOWID(txp);
flow_ring_node = DHD_FLOW_RING(bus->dhd, flowid);
DHD_TRACE(("%s: pkt flowid %d, status %d active %d\n",
__FUNCTION__, flowid, flow_ring_node->status, flow_ring_node->active));
DHD_FLOWRING_LOCK(flow_ring_node->lock, flags);
if ((flowid > bus->dhd->max_tx_flowid) ||
#ifdef IDLE_TX_FLOW_MGMT
(!flow_ring_node->active))
#else
(!flow_ring_node->active) ||
(flow_ring_node->status == FLOW_RING_STATUS_DELETE_PENDING) ||
(flow_ring_node->status == FLOW_RING_STATUS_STA_FREEING))
#endif /* IDLE_TX_FLOW_MGMT */
{
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
DHD_INFO(("%s: Dropping pkt flowid %d, status %d active %d\n",
__FUNCTION__, flowid, flow_ring_node->status,
flow_ring_node->active));
ret = BCME_ERROR;
goto toss;
}
#ifdef IDLE_TX_FLOW_MGMT
node_status = flow_ring_node->status;
/* handle diffrent status states here!! */
switch (node_status)
{
case FLOW_RING_STATUS_OPEN:
if (bus->enable_idle_flowring_mgmt) {
/* Move the node to the head of active list */
dhd_flow_ring_move_to_active_list_head(bus, flow_ring_node);
}
break;
case FLOW_RING_STATUS_SUSPENDED:
DHD_INFO(("Need to Initiate TX Flow resume\n"));
/* Issue resume_ring request */
dhd_bus_flow_ring_resume_request(bus,
flow_ring_node);
break;
case FLOW_RING_STATUS_CREATE_PENDING:
case FLOW_RING_STATUS_RESUME_PENDING:
/* Dont do anything here!! */
DHD_INFO(("Waiting for Flow create/resume! status is %u\n",
node_status));
break;
case FLOW_RING_STATUS_DELETE_PENDING:
default:
DHD_ERROR(("Dropping packet!! flowid %u status is %u\n",
flowid, node_status));
/* error here!! */
ret = BCME_ERROR;
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
goto toss;
}
/* Now queue the packet */
#endif /* IDLE_TX_FLOW_MGMT */
queue = &flow_ring_node->queue; /* queue associated with flow ring */
#if (defined(BCM_ROUTER_DHD) && defined(HNDCTF))
FOREACH_CHAINED_PKT(txp, ntxp) {
/* Tag the packet with flowid - Remember, only the head packet */
/* of the chain has been tagged with the FlowID in dhd_sendpkt */
/* Also set the priority */
DHD_PKT_SET_FLOWID(txp, flowid);
PKTSETPRIO(txp, prio);
if ((ret = dhd_flow_queue_enqueue(bus->dhd, queue, txp)) != BCME_OK) {
txp_pend = txp;
PKTSETCLINK((txp), ntxp);
break;
}
}
#else /* !(defined(BCM_ROUTER_DHD) && defined(HNDCTF)) */
if ((ret = dhd_flow_queue_enqueue(bus->dhd, queue, txp)) != BCME_OK)
txp_pend = txp;
#endif /* defined(BCM_ROUTER_DHD) && defined(HNDCTF */
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
if (flow_ring_node->status) {
DHD_PCIE_INFO(("%s: Enq pkt flowid %d, status %d active %d\n",
__FUNCTION__, flowid, flow_ring_node->status,
flow_ring_node->active));
if (txp_pend) {
txp = txp_pend;
goto toss;
}
return BCME_OK;
}
ret = dhd_bus_schedule_queue(bus, flowid, FALSE); /* from queue to flowring */
/* If we have anything pending, try to push into q */
if (txp_pend) {
DHD_FLOWRING_LOCK(flow_ring_node->lock, flags);
#if (defined(BCM_ROUTER_DHD) && defined(HNDCTF))
FOREACH_CHAINED_PKT(txp_pend, ntxp) {
/* Tag the packet with flowid and set packet priority */
DHD_PKT_SET_FLOWID(txp_pend, flowid);
PKTSETPRIO(txp_pend, prio);
if ((ret = dhd_flow_queue_enqueue(bus->dhd, queue, txp_pend))
!= BCME_OK) {
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
PKTSETCLINK((txp_pend), ntxp);
txp = txp_pend;
goto toss;
}
}
#else /* !(defined(BCM_ROUTER_DHD) && defined(HNDCTF)) */
if ((ret = dhd_flow_queue_enqueue(bus->dhd, queue, txp_pend)) != BCME_OK) {
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
txp = txp_pend;
goto toss;
}
#endif /* defined(BCM_ROUTER_DHD) && defined(HNDCTF) */
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
}
return ret;
toss:
DHD_PCIE_INFO(("%s: Toss %d\n", __FUNCTION__, ret));
#ifdef DHD_EFI
/* for EFI, pass the 'send' flag as false, to avoid enqueuing the failed tx pkt
* into the Tx done queue
*/
PKTCFREE(bus->dhd->osh, txp, FALSE);
#else
PKTCFREE(bus->dhd->osh, txp, TRUE);
#endif /* DHD_EFI */
return ret;
} /* dhd_bus_txdata */
void
dhd_bus_stop_queue(struct dhd_bus *bus)
{
dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, ON);
}
void
dhd_bus_start_queue(struct dhd_bus *bus)
{
/*
* Tx queue has been stopped due to resource shortage (or)
* bus is not in a state to turn on.
*
* Note that we try to re-start network interface only
* when we have enough resources, one has to first change the
* flag indicating we have all the resources.
*/
if (dhd_prot_check_tx_resource(bus->dhd)) {
DHD_ERROR(("%s: Interface NOT started, previously stopped "
"due to resource shortage\n", __FUNCTION__));
return;
}
dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, OFF);
}
/* Device console input function */
int dhd_bus_console_in(dhd_pub_t *dhd, uchar *msg, uint msglen)
{
dhd_bus_t *bus = dhd->bus;
uint32 addr, val;
int rv;
#ifdef PCIE_INB_DW
unsigned long flags = 0;
#endif /* PCIE_INB_DW */
/* Address could be zero if CONSOLE := 0 in dongle Makefile */
if (bus->console_addr == 0)
return BCME_UNSUPPORTED;
/* Don't allow input if dongle is in reset */
if (bus->dhd->dongle_reset) {
return BCME_NOTREADY;
}
/* Zero cbuf_index */
addr = bus->console_addr + OFFSETOF(hnd_cons_t, cbuf_idx);
/* handle difference in definition of hnd_log_t in certain branches */
if (dhd->wlc_ver_major < 14) {
addr -= (uint32)sizeof(uint32);
}
val = htol32(0);
if ((rv = dhdpcie_bus_membytes(bus, TRUE, addr, (uint8 *)&val, sizeof(val))) < 0)
goto done;
/* Write message into cbuf */
addr = bus->console_addr + OFFSETOF(hnd_cons_t, cbuf);
/* handle difference in definition of hnd_log_t in certain branches */
if (dhd->wlc_ver_major < 14) {
addr -= sizeof(uint32);
}
if ((rv = dhdpcie_bus_membytes(bus, TRUE, addr, (uint8 *)msg, msglen)) < 0)
goto done;
/* Write length into vcons_in */
addr = bus->console_addr + OFFSETOF(hnd_cons_t, vcons_in);
val = htol32(msglen);
if ((rv = dhdpcie_bus_membytes(bus, TRUE, addr, (uint8 *)&val, sizeof(val))) < 0)
goto done;
#ifdef PCIE_INB_DW
/* Use a lock to ensure this tx DEVICE_WAKE + tx H2D_HOST_CONS_INT sequence is
* mutually exclusive with the rx D2H_DEV_DS_ENTER_REQ + tx H2D_HOST_DS_ACK sequence.
*/
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
#endif /* PCIE_INB_DW */
/* generate an interrupt to dongle to indicate that it needs to process cons command */
dhdpcie_send_mb_data(bus, H2D_HOST_CONS_INT);
#ifdef PCIE_INB_DW
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
#endif /* PCIE_INB_DW */
done:
return rv;
} /* dhd_bus_console_in */
/**
* Called on frame reception, the frame was received from the dongle on interface 'ifidx' and is
* contained in 'pkt'. Processes rx frame, forwards up the layer to netif.
*/
void
BCMFASTPATH(dhd_bus_rx_frame)(struct dhd_bus *bus, void* pkt, int ifidx, uint pkt_count)
{
dhd_rx_frame(bus->dhd, ifidx, pkt, pkt_count, 0);
}
/* Aquire/Release bar1_switch_lock only if the chip supports bar1 switching */
#define DHD_BUS_BAR1_SWITCH_LOCK(bus, flags) \
((bus)->bar1_switch_enab) ? DHD_BAR1_SWITCH_LOCK((bus)->bar1_switch_lock, flags) : \
BCM_REFERENCE(flags)
#define DHD_BUS_BAR1_SWITCH_UNLOCK(bus, flags) \
((bus)->bar1_switch_enab) ? DHD_BAR1_SWITCH_UNLOCK((bus)->bar1_switch_lock, flags) : \
BCM_REFERENCE(flags)
/* Init/Deinit bar1_switch_lock only if the chip supports bar1 switching */
static void
dhd_init_bar1_switch_lock(dhd_bus_t *bus)
{
if (bus->bar1_switch_enab && !bus->bar1_switch_lock) {
bus->bar1_switch_lock = osl_spin_lock_init(bus->osh);
}
}
static void
dhd_deinit_bar1_switch_lock(dhd_bus_t *bus)
{
if (bus->bar1_switch_enab && bus->bar1_switch_lock) {
osl_spin_lock_deinit(bus->osh, bus->bar1_switch_lock);
bus->bar1_switch_lock = NULL;
}
}
/*
* The bpwindow for any address will be lower bound of multiples of bar1_size.
* For eg, if addr=0x938fff and bar1_size is 0x400000, then
* address will fall in the window of 0x800000-0xbfffff, so need
* to select bpwindow as 0x800000.
* To achieve this mask the LSB nibbles of bar1_size of the given addr.
*/
#define DHD_BUS_BAR1_BPWIN(addr, bar1_size) \
(uint32)((addr) & ~((bar1_size) - 1))
/**
* dhdpcie_bar1_window_switch_enab
*
* Check if the chip requires BAR1 window switching based on
* dongle_ram_base, ramsize and mapped bar1_size and sets
* bus->bar1_switch_enab accordingly
* @bus: dhd bus context
*
*/
void
dhdpcie_bar1_window_switch_enab(dhd_bus_t *bus)
{
uint32 ramstart = bus->dongle_ram_base;
uint32 ramend = bus->dongle_ram_base + bus->ramsize - 1;
uint32 bpwinstart = DHD_BUS_BAR1_BPWIN(ramstart, bus->bar1_size);
uint32 bpwinend = DHD_BUS_BAR1_BPWIN(ramend, bus->bar1_size);
bus->bar1_switch_enab = FALSE;
/*
* Window switch is needed to access complete BAR1
* if bpwinstart and bpwinend are different
*/
if (bpwinstart != bpwinend) {
bus->bar1_switch_enab = TRUE;
}
DHD_ERROR(("%s: bar1_switch_enab=%d ramstart=0x%x ramend=0x%x bar1_size=0x%x\n",
__FUNCTION__, bus->bar1_switch_enab, ramstart, ramend, bus->bar1_size));
}
/**
* dhdpcie_setbar1win
*
* os independendent function for setting bar1 window in order to allow
* also set current window positon.
*
* @bus: dhd bus context
* @addr: new backplane windows address for BAR1
*/
static void
dhdpcie_setbar1win(dhd_bus_t *bus, uint32 addr)
{
OSL_PCI_WRITE_CONFIG(bus->osh, PCI_BAR1_WIN, 4, addr);
bus->curr_bar1_win = addr;
}
/**
* dhdpcie_bus_chkandshift_bpoffset
*
* Check the provided address is within the current BAR1 window,
* if not, shift the window
*
* @bus: dhd bus context
* @offset: back plane address that the caller wants to access
*
* Return: new offset for access
*/
static ulong
dhdpcie_bus_chkandshift_bpoffset(dhd_bus_t *bus, ulong offset)
{
uint32 bpwin;
#ifdef DHD_EFI
/* TODO: bar1_size is hardcoded for EFI. Below logic should be
* revisited. Also EFI platform should find bar1_size from
* EFI Kernel APIs
*/
if (!bus->bar1_switch_enab) {
return offset;
}
#endif /* DHD_EFI */
/* Determine BAR1 backplane window using window size
* Window address mask should be ~(size - 1)
*/
bpwin = DHD_BUS_BAR1_BPWIN(offset, bus->bar1_size);
if (bpwin != bus->curr_bar1_win) {
DHD_PCIE_INFO(("%s: move BAR1 window curr_bar1_win=0x%x bpwin=0x%x offset=0x%lx\n",
__FUNCTION__, bus->curr_bar1_win, bpwin, offset));
/* Move BAR1 window */
dhdpcie_setbar1win(bus, bpwin);
}
return offset - bpwin;
}
/** 'offset' is a backplane address */
void
dhdpcie_bus_wtcm8(dhd_bus_t *bus, ulong offset, uint8 data)
{
ulong flags = 0;
if (bus->is_linkdown) {
DHD_LOG_MEM(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
DHD_BUS_BAR1_SWITCH_LOCK(bus, flags);
offset = dhdpcie_bus_chkandshift_bpoffset(bus, offset);
#if defined(linux) || defined(LINUX)
W_REG(bus->dhd->osh, (volatile uint8 *)(bus->tcm + offset), data);
#else
*(volatile uint8 *)(bus->tcm + offset) = (uint8)data;
#endif /* linux || LINUX */
DHD_BUS_BAR1_SWITCH_UNLOCK(bus, flags);
}
void
dhdpcie_bus_wtcm16(dhd_bus_t *bus, ulong offset, uint16 data)
{
ulong flags = 0;
if (bus->is_linkdown) {
DHD_LOG_MEM(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
DHD_BUS_BAR1_SWITCH_LOCK(bus, flags);
offset = dhdpcie_bus_chkandshift_bpoffset(bus, offset);
#if defined(linux) || defined(LINUX)
W_REG(bus->dhd->osh, (volatile uint16 *)(bus->tcm + offset), data);
#else
*(volatile uint16 *)(bus->tcm + offset) = (uint16)data;
#endif /* linux || LINUX */
DHD_BUS_BAR1_SWITCH_UNLOCK(bus, flags);
}
void
dhdpcie_bus_wtcm32(dhd_bus_t *bus, ulong offset, uint32 data)
{
ulong flags = 0;
if (bus->is_linkdown) {
DHD_LOG_MEM(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
DHD_BUS_BAR1_SWITCH_LOCK(bus, flags);
offset = dhdpcie_bus_chkandshift_bpoffset(bus, offset);
#if defined(linux) || defined(LINUX)
W_REG(bus->dhd->osh, (volatile uint32 *)(bus->tcm + offset), data);
#else
*(volatile uint32 *)(bus->tcm + offset) = (uint32)data;
#endif /* linux || LINUX */
DHD_BUS_BAR1_SWITCH_UNLOCK(bus, flags);
}
#ifdef DHD_SUPPORT_64BIT
void
dhdpcie_bus_wtcm64(dhd_bus_t *bus, ulong offset, uint64 data)
{
ulong flags = 0;
if (bus->is_linkdown) {
DHD_LOG_MEM(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
DHD_BUS_BAR1_SWITCH_LOCK(bus, flags);
offset = dhdpcie_bus_chkandshift_bpoffset(bus, offset);
#if defined(linux) || defined(LINUX)
W_REG(bus->dhd->osh, (volatile uint64 *)(bus->tcm + offset), data);
#else
*(volatile uint64 *)(bus->tcm + offset) = (uint64)data;
#endif /* linux || LINUX */
DHD_BUS_BAR1_SWITCH_UNLOCK(bus, flags);
}
#endif /* DHD_SUPPORT_64BIT */
uint8
dhdpcie_bus_rtcm8(dhd_bus_t *bus, ulong offset)
{
volatile uint8 data;
ulong flags = 0;
if (bus->is_linkdown) {
DHD_LOG_MEM(("%s: PCIe link was down\n", __FUNCTION__));
data = (uint8)-1;
return data;
}
DHD_BUS_BAR1_SWITCH_LOCK(bus, flags);
offset = dhdpcie_bus_chkandshift_bpoffset(bus, offset);
#if defined(linux) || defined(LINUX)
data = R_REG(bus->dhd->osh, (volatile uint8 *)(bus->tcm + offset));
#else
data = *(volatile uint8 *)(bus->tcm + offset);
#endif /* linux || LINUX */
DHD_BUS_BAR1_SWITCH_UNLOCK(bus, flags);
return data;
}
uint16
dhdpcie_bus_rtcm16(dhd_bus_t *bus, ulong offset)
{
volatile uint16 data;
ulong flags = 0;
if (bus->is_linkdown) {
DHD_LOG_MEM(("%s: PCIe link was down\n", __FUNCTION__));
data = (uint16)-1;
return data;
}
DHD_BUS_BAR1_SWITCH_LOCK(bus, flags);
offset = dhdpcie_bus_chkandshift_bpoffset(bus, offset);
#if (defined(linux) || defined (LINUX))
data = R_REG(bus->dhd->osh, (volatile uint16 *)(bus->tcm + offset));
#else
data = *(volatile uint16 *)(bus->tcm + offset);
#endif /* linux || LINUX */
DHD_BUS_BAR1_SWITCH_UNLOCK(bus, flags);
return data;
}
uint32
dhdpcie_bus_rtcm32(dhd_bus_t *bus, ulong offset)
{
volatile uint32 data;
ulong flags = 0;
if (bus->is_linkdown) {
DHD_LOG_MEM(("%s: PCIe link was down\n", __FUNCTION__));
data = (uint32)-1;
return data;
}
DHD_BUS_BAR1_SWITCH_LOCK(bus, flags);
offset = dhdpcie_bus_chkandshift_bpoffset(bus, offset);
#if (defined(linux) || defined (LINUX))
data = R_REG(bus->dhd->osh, (volatile uint32 *)(bus->tcm + offset));
#else
data = *(volatile uint32 *)(bus->tcm + offset);
#endif /* linux || LINUX */
DHD_BUS_BAR1_SWITCH_UNLOCK(bus, flags);
return data;
}
#ifdef DHD_SUPPORT_64BIT
uint64
dhdpcie_bus_rtcm64(dhd_bus_t *bus, ulong offset)
{
volatile uint64 data;
ulong flags = 0;
if (bus->is_linkdown) {
DHD_LOG_MEM(("%s: PCIe link was down\n", __FUNCTION__));
data = (uint64)-1;
return data;
}
DHD_BUS_BAR1_SWITCH_LOCK(bus, flags);
offset = dhdpcie_bus_chkandshift_bpoffset(bus, offset);
#if (defined(linux) || defined (LINUX))
data = R_REG(bus->dhd->osh, (volatile uint64 *)(bus->tcm + offset));
#else
data = *(volatile uint64 *)(bus->tcm + offset);
#endif /* linux || LINUX */
DHD_BUS_BAR1_SWITCH_UNLOCK(bus, flags);
return data;
}
#endif /* DHD_SUPPORT_64BIT */
void
dhdpcie_update_ring_ptrs_in_tcm_with_req_pwr(dhd_bus_t *bus, void *data, uint8 type,
uint16 ringid, bool read, bool req_pwr)
{
ulong addr;
if (type == RING_WR_UPD) {
addr = bus->ring_sh[ringid].ring_state_w;
} else if (type == RING_RD_UPD) {
addr = bus->ring_sh[ringid].ring_state_r;
} else {
DHD_ERROR(("%s: invalid type:%d\n", __FUNCTION__, type));
return;
}
if (req_pwr && MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
if (read) {
/* Read */
*(uint16*)data = LTOH16(dhdpcie_bus_rtcm16(bus, addr));
} else {
/* Write */
dhdpcie_bus_wtcm16(bus, addr, (uint16) HTOL16(*(uint16 *)data));
}
if (req_pwr && MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
}
void
dhdpcie_update_ring_ptrs_in_tcm(dhd_bus_t *bus, void *data, uint8 type, uint16 ringid,
bool read)
{
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
ulong flags_ds;
DHD_BUS_DONGLE_DS_LOCK(bus->dongle_ds_lock, flags_ds);
dhdpcie_update_ring_ptrs_in_tcm_with_req_pwr(bus, data, type, ringid, read,
bus->dongle_in_deepsleep);
DHD_BUS_DONGLE_DS_UNLOCK(bus->dongle_ds_lock, flags_ds);
} else
#endif /* PCIE_INB_DW */
{
/* Request power explicitly */
dhdpcie_update_ring_ptrs_in_tcm_with_req_pwr(bus, data, type, ringid, read, TRUE);
}
}
/** A snippet of dongle memory is shared between host and dongle */
void
dhd_bus_cmn_writeshared(dhd_bus_t *bus, void *data, uint32 len, uint8 type, uint16 ringid)
{
uint64 long_data;
ulong addr; /* dongle address */
DHD_PCIE_INFO(("%s: writing to dongle type %d len %d\n", __FUNCTION__, type, len));
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
/*
* Use explicit tcm ring ptr update functions when DMA indices are not enabled to
* as backplane power request calls are causing TPUT drops
*/
if (!(bus->dhd->dma_d2h_ring_upd_support || bus->dhd->dma_h2d_ring_upd_support)) {
if ((type == RING_WR_UPD) || (type == RING_RD_UPD)) {
dhdpcie_update_ring_ptrs_in_tcm(bus, data, type, ringid, FALSE);
return;
}
}
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
switch (type) {
case RING_WR_UPD :
addr = bus->ring_sh[ringid].ring_state_w;
dhdpcie_bus_wtcm16(bus, addr, (uint16) HTOL16(*(uint16 *)data));
break;
case RING_RD_UPD :
addr = bus->ring_sh[ringid].ring_state_r;
dhdpcie_bus_wtcm16(bus, addr, (uint16) HTOL16(*(uint16 *)data));
break;
case D2H_DMA_SCRATCH_BUF:
addr = DHD_PCIE_SHARED_MEMBER_ADDR(bus, host_dma_scratch_buffer);
long_data = HTOL64(*(uint64 *)data);
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8*) &long_data, len);
if (dhd_msg_level & DHD_INFO_VAL) {
prhex(__FUNCTION__, data, len);
}
break;
case D2H_DMA_SCRATCH_BUF_LEN :
addr = DHD_PCIE_SHARED_MEMBER_ADDR(bus, host_dma_scratch_buffer_len);
dhdpcie_bus_wtcm32(bus, addr, (uint32) HTOL32(*(uint32 *)data));
if (dhd_msg_level & DHD_INFO_VAL) {
prhex(__FUNCTION__, data, len);
}
break;
case H2D_DMA_INDX_WR_BUF:
long_data = HTOL64(*(uint64 *)data);
addr = DHD_RING_INFO_MEMBER_ADDR(bus, h2d_w_idx_hostaddr);
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8*) &long_data, len);
if (dhd_msg_level & DHD_INFO_VAL) {
prhex(__FUNCTION__, data, len);
}
break;
case H2D_DMA_INDX_RD_BUF:
long_data = HTOL64(*(uint64 *)data);
addr = DHD_RING_INFO_MEMBER_ADDR(bus, h2d_r_idx_hostaddr);
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8*) &long_data, len);
if (dhd_msg_level & DHD_INFO_VAL) {
prhex(__FUNCTION__, data, len);
}
break;
case D2H_DMA_INDX_WR_BUF:
long_data = HTOL64(*(uint64 *)data);
addr = DHD_RING_INFO_MEMBER_ADDR(bus, d2h_w_idx_hostaddr);
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8*) &long_data, len);
if (dhd_msg_level & DHD_INFO_VAL) {
prhex(__FUNCTION__, data, len);
}
break;
case D2H_DMA_INDX_RD_BUF:
long_data = HTOL64(*(uint64 *)data);
addr = DHD_RING_INFO_MEMBER_ADDR(bus, d2h_r_idx_hostaddr);
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8*) &long_data, len);
if (dhd_msg_level & DHD_INFO_VAL) {
prhex(__FUNCTION__, data, len);
}
break;
case H2D_IFRM_INDX_WR_BUF:
long_data = HTOL64(*(uint64 *)data);
addr = DHD_RING_INFO_MEMBER_ADDR(bus, ifrm_w_idx_hostaddr);
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8*) &long_data, len);
if (dhd_msg_level & DHD_INFO_VAL) {
prhex(__FUNCTION__, data, len);
}
break;
case RING_ITEM_LEN :
addr = DHD_RING_MEM_MEMBER_ADDR(bus, ringid, len_items);
dhdpcie_bus_wtcm16(bus, addr, (uint16) HTOL16(*(uint16 *)data));
break;
case RING_MAX_ITEMS :
addr = DHD_RING_MEM_MEMBER_ADDR(bus, ringid, max_item);
dhdpcie_bus_wtcm16(bus, addr, (uint16) HTOL16(*(uint16 *)data));
break;
case RING_BUF_ADDR :
long_data = HTOL64(*(uint64 *)data);
addr = DHD_RING_MEM_MEMBER_ADDR(bus, ringid, base_addr);
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8 *) &long_data, len);
if (dhd_msg_level & DHD_INFO_VAL) {
prhex(__FUNCTION__, data, len);
}
break;
case D2H_MB_DATA:
addr = bus->d2h_mb_data_ptr_addr;
dhdpcie_bus_wtcm32(bus, addr, (uint32) HTOL32(*(uint32 *)data));
break;
case H2D_MB_DATA:
addr = bus->h2d_mb_data_ptr_addr;
dhdpcie_bus_wtcm32(bus, addr, (uint32) HTOL32(*(uint32 *)data));
break;
case HOST_API_VERSION:
addr = DHD_PCIE_SHARED_MEMBER_ADDR(bus, host_cap);
dhdpcie_bus_wtcm32(bus, addr, (uint32) HTOL32(*(uint32 *)data));
break;
case DNGL_TO_HOST_TRAP_ADDR:
long_data = HTOL64(*(uint64 *)data);
addr = DHD_PCIE_SHARED_MEMBER_ADDR(bus, host_trap_addr);
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8 *) &long_data, len);
DHD_PCIE_INFO(("Wrote trap addr:0x%x\n", (uint32) HTOL32(*(uint32 *)data)));
break;
#ifdef D2H_MINIDUMP
case DNGL_TO_HOST_TRAP_ADDR_LEN:
addr = DHD_PCIE_SHARED_MEMBER_ADDR(bus, device_trap_debug_buffer_len);
dhdpcie_bus_wtcm16(bus, addr, (uint16) HTOL16(*(uint16 *)data));
break;
#endif /* D2H_MINIDUMP */
case HOST_SCB_ADDR:
addr = DHD_PCIE_SHARED_MEMBER_ADDR(bus, host_scb_addr);
#ifdef DHD_SUPPORT_64BIT
dhdpcie_bus_wtcm64(bus, addr, (uint64) HTOL64(*(uint64 *)data));
#else /* !DHD_SUPPORT_64BIT */
dhdpcie_bus_wtcm32(bus, addr, *((uint32*)data));
#endif /* DHD_SUPPORT_64BIT */
DHD_PCIE_INFO(("Wrote host_scb_addr:0x%x\n",
(uint32) HTOL32(*(uint32 *)data)));
break;
default:
break;
}
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
} /* dhd_bus_cmn_writeshared */
/** A snippet of dongle memory is shared between host and dongle */
void
dhd_bus_cmn_readshared(dhd_bus_t *bus, void* data, uint8 type, uint16 ringid)
{
ulong addr; /* dongle address */
/*
* Use explicit tcm ring ptr update functions when DMA indices are not enabled to
* as backplane power request calls are causing TPUT drops
*/
if (!(bus->dhd->dma_d2h_ring_upd_support || bus->dhd->dma_h2d_ring_upd_support)) {
if ((type == RING_WR_UPD) || (type == RING_RD_UPD)) {
dhdpcie_update_ring_ptrs_in_tcm(bus, data, type, ringid, TRUE);
return;
}
}
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
switch (type) {
case RING_WR_UPD :
addr = bus->ring_sh[ringid].ring_state_w;
*(uint16*)data = LTOH16(dhdpcie_bus_rtcm16(bus, addr));
break;
case RING_RD_UPD :
addr = bus->ring_sh[ringid].ring_state_r;
*(uint16*)data = LTOH16(dhdpcie_bus_rtcm16(bus, addr));
break;
case TOTAL_LFRAG_PACKET_CNT :
addr = DHD_PCIE_SHARED_MEMBER_ADDR(bus, total_lfrag_pkt_cnt);
*(uint16*)data = LTOH16(dhdpcie_bus_rtcm16(bus, addr));
break;
case H2D_MB_DATA:
addr = bus->h2d_mb_data_ptr_addr;
*(uint32*)data = LTOH32(dhdpcie_bus_rtcm32(bus, addr));
break;
case D2H_MB_DATA:
addr = bus->d2h_mb_data_ptr_addr;
*(uint32*)data = LTOH32(dhdpcie_bus_rtcm32(bus, addr));
break;
case MAX_HOST_RXBUFS :
addr = DHD_PCIE_SHARED_MEMBER_ADDR(bus, max_host_rxbufs);
*(uint16*)data = LTOH16(dhdpcie_bus_rtcm16(bus, addr));
break;
case HOST_SCB_ADDR:
addr = DHD_PCIE_SHARED_MEMBER_ADDR(bus, host_scb_size);
*(uint32*)data = LTOH32(dhdpcie_bus_rtcm32(bus, addr));
break;
default :
break;
}
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
}
uint32 dhd_bus_get_sharedflags(dhd_bus_t *bus)
{
return ((pciedev_shared_t*)bus->pcie_sh)->flags;
}
void dhd_prot_clearcounts(dhd_pub_t *dhd);
void
dhd_bus_clearcounts(dhd_pub_t *dhdp)
{
dhd_prot_clearcounts(dhdp);
}
/**
* @param params input buffer, NULL for 'set' operation.
* @param plen length of 'params' buffer, 0 for 'set' operation.
* @param arg output buffer
*/
int
dhd_bus_iovar_op(dhd_pub_t *dhdp, const char *name,
void *params, uint plen, void *arg, uint len, bool set)
{
dhd_bus_t *bus = dhdp->bus;
const bcm_iovar_t *vi = NULL;
int bcmerror = BCME_UNSUPPORTED;
uint val_size;
uint32 actionid;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
ASSERT(name);
if (!name)
return BCME_BADARG;
/* Get MUST have return space */
ASSERT(set || (arg && len));
if (!(set || (arg && len)))
return BCME_BADARG;
/* Set does NOT take qualifiers */
ASSERT(!set || (!params && !plen));
if (!(!set || (!params && !plen)))
return BCME_BADARG;
DHD_PCIE_INFO(("%s: %s %s, len %d plen %d\n", __FUNCTION__,
name, (set ? "set" : "get"), len, plen));
/* Look up var locally; if not found pass to host driver */
if ((vi = bcm_iovar_lookup(dhdpcie_iovars, name)) == NULL) {
goto exit;
}
if (MULTIBP_ENAB(bus->sih)) {
if (vi->flags & DHD_IOVF_PWRREQ_BYPASS) {
DHD_ERROR(("%s: Bypass pwr request\n", __FUNCTION__));
} else {
dhd_bus_pcie_pwr_req(bus);
}
}
/* set up 'params' pointer in case this is a set command so that
* the convenience int and bool code can be common to set and get
*/
if (params == NULL) {
params = arg;
plen = len;
}
if (vi->type == IOVT_VOID)
val_size = 0;
else if (vi->type == IOVT_BUFFER)
val_size = len;
else
/* all other types are integer sized */
val_size = sizeof(int);
actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid);
bcmerror = dhdpcie_bus_doiovar(bus, vi, actionid, name, params, plen, arg, len, val_size);
exit:
/* In DEVRESET_QUIESCE/DEVRESET_ON,
* this includes dongle re-attach which initialize pwr_req_ref count to 0 and
* causes pwr_req_ref count miss-match in pwr req clear function and hang.
* In this case, bypass pwr req clear.
*/
if (bcmerror == BCME_DNGL_DEVRESET) {
bcmerror = BCME_OK;
} else {
if (MULTIBP_ENAB(bus->sih)) {
if (vi != NULL) {
if (vi->flags & DHD_IOVF_PWRREQ_BYPASS) {
DHD_ERROR(("%s: Bypass pwr request clear\n", __FUNCTION__));
} else {
dhd_bus_pcie_pwr_req_clear(bus);
}
}
}
}
return bcmerror;
} /* dhd_bus_iovar_op */
#ifdef BCM_BUZZZ
#include <bcm_buzzz.h>
int
dhd_buzzz_dump_cntrs(char *p, uint32 *core, uint32 *log,
const int num_counters)
{
int bytes = 0;
uint32 ctr;
uint32 curr[BCM_BUZZZ_COUNTERS_MAX], prev[BCM_BUZZZ_COUNTERS_MAX];
uint32 delta[BCM_BUZZZ_COUNTERS_MAX];
/* Compute elapsed counter values per counter event type */
for (ctr = 0U; ctr < num_counters; ctr++) {
prev[ctr] = core[ctr];
curr[ctr] = *log++;
core[ctr] = curr[ctr]; /* saved for next log */
if (curr[ctr] < prev[ctr])
delta[ctr] = curr[ctr] + (~0U - prev[ctr]);
else
delta[ctr] = (curr[ctr] - prev[ctr]);
bytes += sprintf(p + bytes, "%12u ", delta[ctr]);
}
return bytes;
}
typedef union cm3_cnts { /* export this in bcm_buzzz.h */
uint32 u32;
uint8 u8[4];
struct {
uint8 cpicnt;
uint8 exccnt;
uint8 sleepcnt;
uint8 lsucnt;
};
} cm3_cnts_t;
int
dhd_bcm_buzzz_dump_cntrs6(char *p, uint32 *core, uint32 *log)
{
int bytes = 0;
uint32 cyccnt, instrcnt;
cm3_cnts_t cm3_cnts;
uint8 foldcnt;
{ /* 32bit cyccnt */
uint32 curr, prev, delta;
prev = core[0]; curr = *log++; core[0] = curr;
if (curr < prev)
delta = curr + (~0U - prev);
else
delta = (curr - prev);
bytes += sprintf(p + bytes, "%12u ", delta);
cyccnt = delta;
}
{ /* Extract the 4 cnts: cpi, exc, sleep and lsu */
int i;
uint8 max8 = ~0;
cm3_cnts_t curr, prev, delta;
prev.u32 = core[1]; curr.u32 = * log++; core[1] = curr.u32;
for (i = 0; i < 4; i++) {
if (curr.u8[i] < prev.u8[i])
delta.u8[i] = curr.u8[i] + (max8 - prev.u8[i]);
else
delta.u8[i] = (curr.u8[i] - prev.u8[i]);
bytes += sprintf(p + bytes, "%4u ", delta.u8[i]);
}
cm3_cnts.u32 = delta.u32;
}
{ /* Extract the foldcnt from arg0 */
uint8 curr, prev, delta, max8 = ~0;
bcm_buzzz_arg0_t arg0; arg0.u32 = *log;
prev = core[2]; curr = arg0.klog.cnt; core[2] = curr;
if (curr < prev)
delta = curr + (max8 - prev);
else
delta = (curr - prev);
bytes += sprintf(p + bytes, "%4u ", delta);
foldcnt = delta;
}
instrcnt = cyccnt - (cm3_cnts.u8[0] + cm3_cnts.u8[1] + cm3_cnts.u8[2]
+ cm3_cnts.u8[3]) + foldcnt;
if (instrcnt > 0xFFFFFF00)
bytes += sprintf(p + bytes, "[%10s] ", "~");
else
bytes += sprintf(p + bytes, "[%10u] ", instrcnt);
return bytes;
}
int
dhd_buzzz_dump_log(char *p, uint32 *core, uint32 *log, bcm_buzzz_t *buzzz)
{
int bytes = 0;
bcm_buzzz_arg0_t arg0;
static uint8 * fmt[] = BCM_BUZZZ_FMT_STRINGS;
if (buzzz->counters == 6) {
bytes += dhd_bcm_buzzz_dump_cntrs6(p, core, log);
log += 2; /* 32bit cyccnt + (4 x 8bit) CM3 */
} else {
bytes += dhd_buzzz_dump_cntrs(p, core, log, buzzz->counters);
log += buzzz->counters; /* (N x 32bit) CR4=3, CA7=4 */
}
/* Dump the logged arguments using the registered formats */
arg0.u32 = *log++;
switch (arg0.klog.args) {
case 0:
bytes += sprintf(p + bytes, fmt[arg0.klog.id]);
break;
case 1:
{
uint32 arg1 = *log++;
bytes += sprintf(p + bytes, fmt[arg0.klog.id], arg1);
break;
}
case 2:
{
uint32 arg1, arg2;
arg1 = *log++; arg2 = *log++;
bytes += sprintf(p + bytes, fmt[arg0.klog.id], arg1, arg2);
break;
}
case 3:
{
uint32 arg1, arg2, arg3;
arg1 = *log++; arg2 = *log++; arg3 = *log++;
bytes += sprintf(p + bytes, fmt[arg0.klog.id], arg1, arg2, arg3);
break;
}
case 4:
{
uint32 arg1, arg2, arg3, arg4;
arg1 = *log++; arg2 = *log++;
arg3 = *log++; arg4 = *log++;
bytes += sprintf(p + bytes, fmt[arg0.klog.id], arg1, arg2, arg3, arg4);
break;
}
default:
printf("%s: Maximum one argument supported\n", __FUNCTION__);
break;
}
bytes += sprintf(p + bytes, "\n");
return bytes;
}
void dhd_buzzz_dump(bcm_buzzz_t *buzzz_p, void *buffer_p, char *p)
{
int i;
uint32 total, part1, part2, log_sz, core[BCM_BUZZZ_COUNTERS_MAX];
void * log;
for (i = 0; i < BCM_BUZZZ_COUNTERS_MAX; i++) {
core[i] = 0;
}
log_sz = buzzz_p->log_sz;
part1 = ((uint32)buzzz_p->cur - (uint32)buzzz_p->log) / log_sz;
if (buzzz_p->wrap == TRUE) {
part2 = ((uint32)buzzz_p->end - (uint32)buzzz_p->cur) / log_sz;
total = (buzzz_p->buffer_sz - BCM_BUZZZ_LOGENTRY_MAXSZ) / log_sz;
} else {
part2 = 0U;
total = buzzz_p->count;
}
if (total == 0U) {
printf("%s: bcm_buzzz_dump total<%u> done\n", __FUNCTION__, total);
return;
} else {
printf("%s: bcm_buzzz_dump total<%u> : part2<%u> + part1<%u>\n", __FUNCTION__,
total, part2, part1);
}
if (part2) { /* with wrap */
log = (void*)((size_t)buffer_p + (buzzz_p->cur - buzzz_p->log));
while (part2--) { /* from cur to end : part2 */
p[0] = '\0';
dhd_buzzz_dump_log(p, core, (uint32 *)log, buzzz_p);
printf("%s", p);
log = (void*)((size_t)log + buzzz_p->log_sz);
}
}
log = (void*)buffer_p;
while (part1--) {
p[0] = '\0';
dhd_buzzz_dump_log(p, core, (uint32 *)log, buzzz_p);
printf("%s", p);
log = (void*)((size_t)log + buzzz_p->log_sz);
}
printf("%s: bcm_buzzz_dump done.\n", __FUNCTION__);
}
int dhd_buzzz_dump_dngl(dhd_bus_t *bus)
{
bcm_buzzz_t * buzzz_p = NULL;
void * buffer_p = NULL;
char * page_p = NULL;
pciedev_shared_t *sh;
int ret = 0;
if (bus->dhd->busstate != DHD_BUS_DATA) {
return BCME_UNSUPPORTED;
}
if ((page_p = (char *)MALLOC(bus->dhd->osh, 4096)) == NULL) {
printf("%s: Page memory allocation failure\n", __FUNCTION__);
goto done;
}
if ((buzzz_p = MALLOC(bus->dhd->osh, sizeof(bcm_buzzz_t))) == NULL) {
printf("%s: BCM BUZZZ memory allocation failure\n", __FUNCTION__);
goto done;
}
ret = dhdpcie_readshared(bus);
if (ret < 0) {
DHD_ERROR(("%s :Shared area read failed \n", __FUNCTION__));
goto done;
}
sh = bus->pcie_sh;
DHD_INFO(("%s buzzz:%08x\n", __FUNCTION__, sh->buzz_dbg_ptr));
if (sh->buzz_dbg_ptr != 0U) { /* Fetch and display dongle BUZZZ Trace */
dhdpcie_bus_membytes(bus, FALSE, (ulong)sh->buzz_dbg_ptr,
(uint8 *)buzzz_p, sizeof(bcm_buzzz_t));
printf("BUZZZ[0x%08x]: log<0x%08x> cur<0x%08x> end<0x%08x> "
"count<%u> status<%u> wrap<%u>\n"
"cpu<0x%02X> counters<%u> group<%u> buffer_sz<%u> log_sz<%u>\n",
(int)sh->buzz_dbg_ptr,
(int)buzzz_p->log, (int)buzzz_p->cur, (int)buzzz_p->end,
buzzz_p->count, buzzz_p->status, buzzz_p->wrap,
buzzz_p->cpu_idcode, buzzz_p->counters, buzzz_p->group,
buzzz_p->buffer_sz, buzzz_p->log_sz);
if (buzzz_p->count == 0) {
printf("%s: Empty dongle BUZZZ trace\n\n", __FUNCTION__);
goto done;
}
/* Allocate memory for trace buffer and format strings */
buffer_p = MALLOC(bus->dhd->osh, buzzz_p->buffer_sz);
if (buffer_p == NULL) {
printf("%s: Buffer memory allocation failure\n", __FUNCTION__);
goto done;
}
/* Fetch the trace. format strings are exported via bcm_buzzz.h */
dhdpcie_bus_membytes(bus, FALSE, (uint32)buzzz_p->log, /* Trace */
(uint8 *)buffer_p, buzzz_p->buffer_sz);
/* Process and display the trace using formatted output */
{
int ctr;
for (ctr = 0; ctr < buzzz_p->counters; ctr++) {
printf("<Evt[%02X]> ", buzzz_p->eventid[ctr]);
}
printf("<code execution point>\n");
}
dhd_buzzz_dump(buzzz_p, buffer_p, page_p);
printf("%s: ----- End of dongle BCM BUZZZ Trace -----\n\n", __FUNCTION__);
MFREE(bus->dhd->osh, buffer_p, buzzz_p->buffer_sz); buffer_p = NULL;
}
done:
if (page_p) MFREE(bus->dhd->osh, page_p, 4096);
if (buzzz_p) MFREE(bus->dhd->osh, buzzz_p, sizeof(bcm_buzzz_t));
if (buffer_p) MFREE(bus->dhd->osh, buffer_p, buzzz_p->buffer_sz);
return BCME_OK;
}
#endif /* BCM_BUZZZ */
#define PCIE_GEN2(sih) ((BUSTYPE((sih)->bustype) == PCI_BUS) && \
((sih)->buscoretype == PCIE2_CORE_ID))
#ifdef DHD_PCIE_REG_ACCESS
static bool
pcie2_mdiosetblock(dhd_bus_t *bus, uint blk)
{
uint mdiodata, mdioctrl, i = 0;
uint pcie_serdes_spinwait = 200;
mdioctrl = MDIOCTL2_DIVISOR_VAL | (0x1F << MDIOCTL2_REGADDR_SHF);
mdiodata = (blk << MDIODATA2_DEVADDR_SHF) | MDIODATA2_DONE;
si_corereg(bus->sih, bus->sih->buscoreidx, PCIE2_MDIO_CONTROL, ~0, mdioctrl);
si_corereg(bus->sih, bus->sih->buscoreidx, PCIE2_MDIO_WR_DATA, ~0, mdiodata);
OSL_DELAY(10);
/* retry till the transaction is complete */
while (i < pcie_serdes_spinwait) {
uint mdioctrl_read = si_corereg(bus->sih, bus->sih->buscoreidx, PCIE2_MDIO_WR_DATA,
0, 0);
if (!(mdioctrl_read & MDIODATA2_DONE)) {
break;
}
OSL_DELAY(1000);
i++;
}
if (i >= pcie_serdes_spinwait) {
DHD_ERROR(("pcie_mdiosetblock: timed out\n"));
return FALSE;
}
return TRUE;
}
#endif /* DHD_PCIE_REG_ACCESS */
static void
dhdpcie_enum_reg_init(dhd_bus_t *bus)
{
/* initialize Function control register (clear bit 4) to HW init value */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.control), ~0,
PCIE_CPLCA_ENABLE | PCIE_DLY_PERST_TO_COE);
/* clear IntMask */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.intmask), ~0, 0);
/* clear IntStatus */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.intstatus), ~0,
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.intstatus), 0, 0));
/* clear MSIVector */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.msi_vector), ~0, 0);
/* clear MSIIntMask */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.msi_intmask), ~0, 0);
/* clear MSIIntStatus */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.msi_intstatus), ~0,
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.msi_intstatus), 0, 0));
/* clear PowerIntMask */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.pwr_intmask), ~0, 0);
/* clear PowerIntStatus */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.pwr_intstatus), ~0,
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.pwr_intstatus), 0, 0));
/* clear MailboxIntMask */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.mbox_intmask), ~0, 0);
/* clear MailboxInt */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.mbox_intstatus), ~0,
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, ftn_ctrl.mbox_intstatus), 0, 0));
}
int
dhd_bus_perform_flr(dhd_bus_t *bus, bool force_fail)
{
uint flr_capab;
uint val;
int retry = 0;
DHD_ERROR(("******** Perform FLR ********\n"));
/* Kernel Panic for 4378Ax during traptest/devreset4 reload case:
* For 4378Ax, enum registers will not be reset with FLR (producer index WAR).
* So, the MailboxIntMask is left as 0xffff during fw boot-up,
* and the fw trap handling during fw boot causes Kernel Panic.
* Jira: SWWLAN-212578: [4378A0 PCIe DVT] :
* Kernel Panic seen in F0 FLR with BT Idle/Traffic/DMA
*/
if (bus->sih && PCIE_ENUM_RESET_WAR_ENAB(bus->sih->buscorerev)) {
if (bus->pcie_mailbox_mask != 0) {
dhdpcie_bus_intr_disable(bus);
}
/* initialize F0 enum registers before FLR for rev66/67 */
dhdpcie_enum_reg_init(bus);
}
/* Read PCIE_CFG_DEVICE_CAPABILITY bit 28 to check FLR capability */
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_DEVICE_CAPABILITY, sizeof(val));
flr_capab = val & (1 << PCIE_FLR_CAPAB_BIT);
DHD_INFO(("Read Device Capability: reg=0x%x read val=0x%x flr_capab=0x%x\n",
PCIE_CFG_DEVICE_CAPABILITY, val, flr_capab));
if (!flr_capab) {
DHD_ERROR(("Chip does not support FLR\n"));
return BCME_UNSUPPORTED;
}
#if defined(NDIS) && defined(BT_OVER_PCIE)
dhd_bwm_bt_quiesce(bus);
#endif
/* Save pcie config space */
DHD_INFO(("Save Pcie Config Space\n"));
DHD_PCIE_CONFIG_SAVE(bus);
/* Set bit 15 of PCIE_CFG_DEVICE_CONTROL */
DHD_INFO(("Set PCIE_FUNCTION_LEVEL_RESET_BIT(%d) of PCIE_CFG_DEVICE_CONTROL(0x%x)\n",
PCIE_FUNCTION_LEVEL_RESET_BIT, PCIE_CFG_DEVICE_CONTROL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_DEVICE_CONTROL, sizeof(val));
DHD_INFO(("read_config: reg=0x%x read val=0x%x\n", PCIE_CFG_DEVICE_CONTROL, val));
val = val | (1 << PCIE_FUNCTION_LEVEL_RESET_BIT);
DHD_INFO(("write_config: reg=0x%x write val=0x%x\n", PCIE_CFG_DEVICE_CONTROL, val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIE_CFG_DEVICE_CONTROL, sizeof(val), val);
/* wait for DHD_FUNCTION_LEVEL_RESET_DELAY msec */
#ifdef BCMSLTGT
DHD_ERROR(("Delay of %d msec\n", DHD_FUNCTION_LEVEL_RESET_DELAY * htclkratio));
#else
DHD_INFO(("Delay of %d msec\n", DHD_FUNCTION_LEVEL_RESET_DELAY));
#endif /* BCMSLTGT */
CAN_SLEEP() ? OSL_SLEEP(DHD_FUNCTION_LEVEL_RESET_DELAY) :
OSL_DELAY(DHD_FUNCTION_LEVEL_RESET_DELAY * USEC_PER_MSEC);
if (force_fail) {
DHD_ERROR(("Set PCIE_SSRESET_DISABLE_BIT(%d) of PCIE_CFG_SUBSYSTEM_CONTROL(0x%x)\n",
PCIE_SSRESET_DISABLE_BIT, PCIE_CFG_SUBSYSTEM_CONTROL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val));
DHD_ERROR(("read_config: reg=0x%x read val=0x%x\n", PCIE_CFG_SUBSYSTEM_CONTROL,
val));
val = val | (1 << PCIE_SSRESET_DISABLE_BIT);
DHD_ERROR(("write_config: reg=0x%x write val=0x%x\n", PCIE_CFG_SUBSYSTEM_CONTROL,
val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val), val);
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val));
DHD_ERROR(("read_config: reg=0x%x read val=0x%x\n", PCIE_CFG_SUBSYSTEM_CONTROL,
val));
}
/* Clear bit 15 of PCIE_CFG_DEVICE_CONTROL */
DHD_INFO(("Clear PCIE_FUNCTION_LEVEL_RESET_BIT(%d) of PCIE_CFG_DEVICE_CONTROL(0x%x)\n",
PCIE_FUNCTION_LEVEL_RESET_BIT, PCIE_CFG_DEVICE_CONTROL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_DEVICE_CONTROL, sizeof(val));
DHD_INFO(("read_config: reg=0x%x read val=0x%x\n", PCIE_CFG_DEVICE_CONTROL, val));
val = val & ~(1 << PCIE_FUNCTION_LEVEL_RESET_BIT);
DHD_INFO(("write_config: reg=0x%x write val=0x%x\n", PCIE_CFG_DEVICE_CONTROL, val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIE_CFG_DEVICE_CONTROL, sizeof(val), val);
/* Wait till bit 13 of PCIE_CFG_SUBSYSTEM_CONTROL is cleared */
DHD_INFO(("Wait till PCIE_SSRESET_STATUS_BIT(%d) of PCIE_CFG_SUBSYSTEM_CONTROL(0x%x)"
"is cleared\n", PCIE_SSRESET_STATUS_BIT, PCIE_CFG_SUBSYSTEM_CONTROL));
do {
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val));
DHD_ERROR(("read_config: reg=0x%x read val=0x%x\n",
PCIE_CFG_SUBSYSTEM_CONTROL, val));
val = val & (1 << PCIE_SSRESET_STATUS_BIT);
OSL_DELAY(DHD_SSRESET_STATUS_RETRY_DELAY);
} while (val && (retry++ < DHD_SSRESET_STATUS_RETRIES));
if (val) {
DHD_ERROR(("ERROR: reg=0x%x bit %d is not cleared\n",
PCIE_CFG_SUBSYSTEM_CONTROL, PCIE_SSRESET_STATUS_BIT));
/* User has to fire the IOVAR again, if force_fail is needed */
if (force_fail) {
bus->flr_force_fail = FALSE;
DHD_ERROR(("%s cleared flr_force_fail flag\n", __FUNCTION__));
}
return BCME_DONGLE_DOWN;
}
/* Restore pcie config space */
DHD_INFO(("Restore Pcie Config Space\n"));
DHD_PCIE_CONFIG_RESTORE(bus);
#if defined(NDIS) && defined(BT_OVER_PCIE)
dhd_bwm_bt_resume(bus);
#endif
DHD_ERROR(("******** FLR Succedeed ********\n"));
return BCME_OK;
}
#define DHD_BP_RESET_ASPM_DISABLE_DELAY 500u /* usec */
#define DHD_BP_RESET_STATUS_RETRY_DELAY 40u /* usec */
#define DHD_BP_RESET_STATUS_RETRIES 50u
#define PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_BIT 10
#define PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_STATUS_BIT 12
int
dhd_bus_cfg_ss_ctrl_bp_reset(struct dhd_bus *bus)
{
uint val;
int retry = 0;
int ret = BCME_OK;
bool reset_stat_bit;
DHD_ERROR(("******** Perform BP reset ********\n"));
/* Disable ASPM */
DHD_ERROR(("Disable ASPM: Clear bits(1-0) of PCIECFGREG_LINK_STATUS_CTRL(0x%x)\n",
PCIECFGREG_LINK_STATUS_CTRL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIECFGREG_LINK_STATUS_CTRL, sizeof(val));
DHD_ERROR(("read_config: reg=0x%x read val=0x%x\n", PCIECFGREG_LINK_STATUS_CTRL, val));
val = val & (~PCIE_ASPM_ENAB);
DHD_ERROR(("write_config: reg=0x%x write val=0x%x\n", PCIECFGREG_LINK_STATUS_CTRL, val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIECFGREG_LINK_STATUS_CTRL, sizeof(val), val);
/* wait for delay usec */
DHD_ERROR(("Delay of %d usec\n", DHD_BP_RESET_ASPM_DISABLE_DELAY));
OSL_DELAY(DHD_BP_RESET_ASPM_DISABLE_DELAY);
/* Set bp reset bit 10 of PCIE_CFG_SUBSYSTEM_CONTROL */
DHD_ERROR(("Set PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_BIT(%d)"
" of PCIE_CFG_SUBSYSTEM_CONTROL(0x%x)\n",
PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_BIT, PCIE_CFG_SUBSYSTEM_CONTROL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val));
DHD_ERROR(("read_config: reg=0x%x read val=0x%x\n", PCIE_CFG_SUBSYSTEM_CONTROL, val));
val = val | (1 << PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_BIT);
DHD_ERROR(("write_config: reg=0x%x write val=0x%x\n", PCIE_CFG_SUBSYSTEM_CONTROL, val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val), val);
/* Wait till bp reset status bit 12 of PCIE_CFG_SUBSYSTEM_CONTROL is set */
DHD_ERROR(("Wait till PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_STATUS_BIT(%d) of "
"PCIE_CFG_SUBSYSTEM_CONTROL(0x%x) is set\n",
PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_STATUS_BIT, PCIE_CFG_SUBSYSTEM_CONTROL));
do {
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val));
DHD_ERROR(("read_config: reg=0x%x read val=0x%x\n",
PCIE_CFG_SUBSYSTEM_CONTROL, val));
reset_stat_bit = val & (1 << PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_STATUS_BIT);
OSL_DELAY(DHD_BP_RESET_STATUS_RETRY_DELAY);
} while (!reset_stat_bit && (retry++ < DHD_BP_RESET_STATUS_RETRIES));
if (!reset_stat_bit) {
DHD_ERROR(("ERROR: reg=0x%x bit %d is not set\n",
PCIE_CFG_SUBSYSTEM_CONTROL,
PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_STATUS_BIT));
ret = BCME_ERROR;
goto aspm_enab;
}
/* Clear bp reset bit 10 of PCIE_CFG_SUBSYSTEM_CONTROL */
DHD_ERROR(("Clear PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_BIT(%d)"
" of PCIECFGREG_SPROM_CTRL(0x%x)\n",
PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_BIT, PCIE_CFG_SUBSYSTEM_CONTROL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val));
DHD_ERROR(("read_config: reg=0x%x read val=0x%x\n", PCIE_CFG_SUBSYSTEM_CONTROL, val));
val = val & ~(1 << PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_BIT);
DHD_ERROR(("write_config: reg=0x%x write val=0x%x\n", PCIE_CFG_SUBSYSTEM_CONTROL, val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val), val);
/* Wait till bp reset status bit 12 of PCIE_CFG_SUBSYSTEM_CONTROL is cleared */
DHD_ERROR(("Wait till PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_STATUS_BIT(%d) of "
"PCIE_CFG_SUBSYSTEM_CONTROL(0x%x) is cleared\n",
PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_STATUS_BIT, PCIE_CFG_SUBSYSTEM_CONTROL));
do {
val = OSL_PCI_READ_CONFIG(bus->osh, PCIE_CFG_SUBSYSTEM_CONTROL, sizeof(val));
DHD_ERROR(("read_config: reg=0x%x read val=0x%x\n",
PCIE_CFG_SUBSYSTEM_CONTROL, val));
reset_stat_bit = val & (1 << PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_STATUS_BIT);
OSL_DELAY(DHD_BP_RESET_STATUS_RETRY_DELAY);
} while (reset_stat_bit && (retry++ < DHD_BP_RESET_STATUS_RETRIES));
if (reset_stat_bit) {
DHD_ERROR(("ERROR: reg=0x%x bit %d is not cleared\n",
PCIE_CFG_SUBSYSTEM_CONTROL,
PCIE_CFG_SUBSYSTEM_CONTROL_BP_RESET_STATUS_BIT));
ret = BCME_ERROR;
}
aspm_enab:
/* Enable ASPM */
DHD_ERROR(("Enable ASPM: set bit 1 of PCIECFGREG_LINK_STATUS_CTRL(0x%x)\n",
PCIECFGREG_LINK_STATUS_CTRL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIECFGREG_LINK_STATUS_CTRL, sizeof(val));
DHD_ERROR(("read_config: reg=0x%x read val=0x%x\n", PCIECFGREG_LINK_STATUS_CTRL, val));
val = val | (PCIE_ASPM_L1_ENAB);
DHD_ERROR(("write_config: reg=0x%x write val=0x%x\n", PCIECFGREG_LINK_STATUS_CTRL, val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIECFGREG_LINK_STATUS_CTRL, sizeof(val), val);
if (ret) {
DHD_ERROR(("******** BP reset Failed ********\n"));
} else {
DHD_ERROR(("******** BP reset Succedeed ********\n"));
}
return ret;
}
#define PCIE_CFG_SPROM_CTRL_SB_RESET_BIT 10
#define PCIE_CFG_CLOCK_CTRL_STATUS_BP_RESET_BIT 21
int
dhd_bus_cfg_sprom_ctrl_bp_reset(struct dhd_bus *bus)
{
uint val;
int retry = 0;
uint dar_clk_ctrl_status_reg = DAR_CLK_CTRL(bus->sih->buscorerev);
int ret = BCME_OK;
bool cond;
DHD_ERROR(("******** Perform BP reset ********\n"));
/* Disable ASPM */
DHD_INFO(("Disable ASPM: Clear bits(1-0) of PCIECFGREG_LINK_STATUS_CTRL(0x%x)\n",
PCIECFGREG_LINK_STATUS_CTRL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIECFGREG_LINK_STATUS_CTRL, sizeof(val));
DHD_INFO(("read_config: reg=0x%x read val=0x%x\n", PCIECFGREG_LINK_STATUS_CTRL, val));
val = val & (~PCIE_ASPM_ENAB);
DHD_INFO(("write_config: reg=0x%x write val=0x%x\n", PCIECFGREG_LINK_STATUS_CTRL, val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIECFGREG_LINK_STATUS_CTRL, sizeof(val), val);
/* wait for delay usec */
DHD_INFO(("Delay of %d usec\n", DHD_BP_RESET_ASPM_DISABLE_DELAY));
OSL_DELAY(DHD_BP_RESET_ASPM_DISABLE_DELAY);
/* Set bit 10 of PCIECFGREG_SPROM_CTRL */
DHD_INFO(("Set PCIE_CFG_SPROM_CTRL_SB_RESET_BIT(%d) of PCIECFGREG_SPROM_CTRL(0x%x)\n",
PCIE_CFG_SPROM_CTRL_SB_RESET_BIT, PCIECFGREG_SPROM_CTRL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIECFGREG_SPROM_CTRL, sizeof(val));
DHD_INFO(("read_config: reg=0x%x read val=0x%x\n", PCIECFGREG_SPROM_CTRL, val));
val = val | (1 << PCIE_CFG_SPROM_CTRL_SB_RESET_BIT);
DHD_INFO(("write_config: reg=0x%x write val=0x%x\n", PCIECFGREG_SPROM_CTRL, val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIECFGREG_SPROM_CTRL, sizeof(val), val);
/* Wait till bit backplane reset is ASSERTED i,e
* bit 10 of PCIECFGREG_SPROM_CTRL is cleared.
* Only after this, poll for 21st bit of DAR reg 0xAE0 is valid
* else DAR register will read previous old value
*/
DHD_INFO(("Wait till PCIE_CFG_SPROM_CTRL_SB_RESET_BIT(%d) of "
"PCIECFGREG_SPROM_CTRL(0x%x) is cleared\n",
PCIE_CFG_SPROM_CTRL_SB_RESET_BIT, PCIECFGREG_SPROM_CTRL));
do {
val = OSL_PCI_READ_CONFIG(bus->osh, PCIECFGREG_SPROM_CTRL, sizeof(val));
DHD_INFO(("read_config: reg=0x%x read val=0x%x\n", PCIECFGREG_SPROM_CTRL, val));
cond = val & (1 << PCIE_CFG_SPROM_CTRL_SB_RESET_BIT);
OSL_DELAY(DHD_BP_RESET_STATUS_RETRY_DELAY);
} while (cond && (retry++ < DHD_BP_RESET_STATUS_RETRIES));
if (cond) {
DHD_ERROR(("ERROR: reg=0x%x bit %d is not cleared\n",
PCIECFGREG_SPROM_CTRL, PCIE_CFG_SPROM_CTRL_SB_RESET_BIT));
ret = BCME_ERROR;
goto aspm_enab;
}
/* Wait till bit 21 of dar_clk_ctrl_status_reg is cleared */
DHD_INFO(("Wait till PCIE_CFG_CLOCK_CTRL_STATUS_BP_RESET_BIT(%d) of "
"dar_clk_ctrl_status_reg(0x%x) is cleared\n",
PCIE_CFG_CLOCK_CTRL_STATUS_BP_RESET_BIT, dar_clk_ctrl_status_reg));
do {
val = si_corereg(bus->sih, bus->sih->buscoreidx,
dar_clk_ctrl_status_reg, 0, 0);
DHD_INFO(("read_dar si_corereg: reg=0x%x read val=0x%x\n",
dar_clk_ctrl_status_reg, val));
cond = val & (1 << PCIE_CFG_CLOCK_CTRL_STATUS_BP_RESET_BIT);
OSL_DELAY(DHD_BP_RESET_STATUS_RETRY_DELAY);
} while (cond && (retry++ < DHD_BP_RESET_STATUS_RETRIES));
if (cond) {
DHD_ERROR(("ERROR: reg=0x%x bit %d is not cleared\n",
dar_clk_ctrl_status_reg, PCIE_CFG_CLOCK_CTRL_STATUS_BP_RESET_BIT));
ret = BCME_ERROR;
}
aspm_enab:
/* Enable ASPM */
DHD_INFO(("Enable ASPM: set bit 1 of PCIECFGREG_LINK_STATUS_CTRL(0x%x)\n",
PCIECFGREG_LINK_STATUS_CTRL));
val = OSL_PCI_READ_CONFIG(bus->osh, PCIECFGREG_LINK_STATUS_CTRL, sizeof(val));
DHD_INFO(("read_config: reg=0x%x read val=0x%x\n", PCIECFGREG_LINK_STATUS_CTRL, val));
val = val | (PCIE_ASPM_L1_ENAB);
DHD_INFO(("write_config: reg=0x%x write val=0x%x\n", PCIECFGREG_LINK_STATUS_CTRL, val));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIECFGREG_LINK_STATUS_CTRL, sizeof(val), val);
DHD_ERROR(("******** BP reset Succedeed ********\n"));
return ret;
}
#if defined(LINUX) || defined(linux)
int
dhd_bus_devreset(dhd_pub_t *dhdp, uint8 flag)
{
dhd_bus_t *bus = dhdp->bus;
int bcmerror = 0;
unsigned long flags;
int retry = POWERUP_MAX_RETRY;
if (flag == TRUE) { /* Turn off WLAN */
/* Removing Power */
DHD_ERROR(("%s: == Power OFF ==\n", __FUNCTION__));
/* wait for other contexts to finish -- if required a call
* to OSL_DELAY for 1s can be added to give other contexts
* a chance to finish
*/
dhdpcie_advertise_bus_cleanup(bus->dhd);
if (bus->dhd->busstate != DHD_BUS_DOWN) {
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
atomic_set(&bus->dhd->block_bus, TRUE);
dhd_flush_rx_tx_wq(bus->dhd);
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
#ifdef BCMPCIE_OOB_HOST_WAKE
/* Clean up any pending host wake IRQ */
dhd_bus_oob_intr_set(bus->dhd, FALSE);
dhd_bus_oob_intr_unregister(bus->dhd);
#endif /* BCMPCIE_OOB_HOST_WAKE */
dhd_os_wd_timer(dhdp, 0);
dhd_bus_stop(bus, TRUE);
if (bus->intr) {
dhdpcie_bus_intr_disable(bus);
dhdpcie_free_irq(bus);
}
dhd_deinit_bus_lp_state_lock(bus);
dhd_deinit_bar1_switch_lock(bus);
dhd_deinit_backplane_access_lock(bus);
dhd_deinit_pwr_req_lock(bus);
#ifdef PCIE_INB_DW
dhd_deinit_dongle_ds_lock(bus);
#endif /* PCIE_INB_DW */
dhd_bus_release_dongle(bus);
dhdpcie_bus_free_resource(bus);
bcmerror = dhdpcie_bus_disable_device(bus);
if (bcmerror) {
DHD_ERROR(("%s: dhdpcie_bus_disable_device: %d\n",
__FUNCTION__, bcmerror));
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
atomic_set(&bus->dhd->block_bus, FALSE);
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
}
/* Clean up protocol data after Bus Master Enable bit clear
* so that host can safely unmap DMA and remove the allocated buffers
* from the PKTID MAP. Some Applicantion Processors supported
* System MMU triggers Kernel panic when they detect to attempt to
* DMA-unmapped memory access from the devices which use the
* System MMU. Therefore, Kernel panic can be happened since it is
* possible that dongle can access to DMA-unmapped memory after
* calling the dhd_prot_reset().
* For this reason, the dhd_prot_reset() and dhd_clear() functions
* should be located after the dhdpcie_bus_disable_device().
*/
dhd_prot_reset(dhdp);
/* XXX Reset dhd_pub_t instance to initial status
* for built-in type driver
*/
dhd_clear(dhdp);
bcmerror = dhdpcie_bus_stop_host_dev(bus);
if (bcmerror) {
DHD_ERROR(("%s: dhdpcie_bus_stop host_dev failed: %d\n",
__FUNCTION__, bcmerror));
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
atomic_set(&bus->dhd->block_bus, FALSE);
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
goto done;
}
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__));
bus->dhd->busstate = DHD_BUS_DOWN;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
atomic_set(&bus->dhd->block_bus, FALSE);
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
} else {
if (bus->intr) {
dhdpcie_free_irq(bus);
}
#ifdef BCMPCIE_OOB_HOST_WAKE
/* Clean up any pending host wake IRQ */
dhd_bus_oob_intr_set(bus->dhd, FALSE);
dhd_bus_oob_intr_unregister(bus->dhd);
#endif /* BCMPCIE_OOB_HOST_WAKE */
dhd_dpc_kill(bus->dhd);
if (!bus->no_bus_init) {
dhd_bus_release_dongle(bus);
dhdpcie_bus_free_resource(bus);
bcmerror = dhdpcie_bus_disable_device(bus);
if (bcmerror) {
DHD_ERROR(("%s: dhdpcie_bus_disable_device: %d\n",
__FUNCTION__, bcmerror));
}
/* Clean up protocol data after Bus Master Enable bit clear
* so that host can safely unmap DMA and remove the allocated
* buffers from the PKTID MAP. Some Applicantion Processors
* supported System MMU triggers Kernel panic when they detect
* to attempt to DMA-unmapped memory access from the devices
* which use the System MMU.
* Therefore, Kernel panic can be happened since it is possible
* that dongle can access to DMA-unmapped memory after calling
* the dhd_prot_reset().
* For this reason, the dhd_prot_reset() and dhd_clear() functions
* should be located after the dhdpcie_bus_disable_device().
*/
dhd_prot_reset(dhdp);
/* XXX Reset dhd_pub_t instance to initial status
* for built-in type driver
*/
dhd_clear(dhdp);
} else {
bus->no_bus_init = FALSE;
}
bcmerror = dhdpcie_bus_stop_host_dev(bus);
if (bcmerror) {
DHD_ERROR(("%s: dhdpcie_bus_stop_host_dev failed: %d\n",
__FUNCTION__, bcmerror));
goto done;
}
}
bus->dhd->dongle_reset = TRUE;
DHD_ERROR(("%s: WLAN OFF Done\n", __FUNCTION__));
} else { /* Turn on WLAN */
if (bus->dhd->busstate == DHD_BUS_DOWN) {
/* Powering On */
DHD_ERROR(("%s: == Power ON ==\n", __FUNCTION__));
/* PCIe RC Turn on */
do {
bcmerror = dhdpcie_bus_start_host_dev(bus);
if (!bcmerror) {
DHD_ERROR(("%s: dhdpcie_bus_start_host_dev OK\n",
__FUNCTION__));
break;
} else {
OSL_SLEEP(10);
}
} while (retry--);
if (bcmerror) {
DHD_ERROR(("%s: host pcie clock enable failed: %d\n",
__FUNCTION__, bcmerror));
goto done;
}
#if defined(DHD_CONTROL_PCIE_ASPM_WIFI_TURNON)
dhd_bus_aspm_enable_rc_ep(bus, FALSE);
#endif /* DHD_CONTROL_PCIE_ASPM_WIFI_TURNON */
bus->is_linkdown = 0;
bus->cto_triggered = 0;
#ifdef SUPPORT_LINKDOWN_RECOVERY
bus->read_shm_fail = FALSE;
#endif /* SUPPORT_LINKDOWN_RECOVERY */
bcmerror = dhdpcie_bus_enable_device(bus);
if (bcmerror) {
DHD_ERROR(("%s: host configuration restore failed: %d\n",
__FUNCTION__, bcmerror));
goto done;
}
bcmerror = dhdpcie_bus_alloc_resource(bus);
if (bcmerror) {
DHD_ERROR(("%s: dhdpcie_bus_resource_alloc failed: %d\n",
__FUNCTION__, bcmerror));
goto done;
}
#if defined(DHD_HP2P) && defined(OEM_ANDROID)
bus->dhd->hp2p_enable = TRUE;
#endif
#ifdef FORCE_DONGLE_RESET_IN_DEVRESET_ON
/*
* This will be enabled from phone platforms to
* reset dongle during Wifi ON
*/
dhdpcie_dongle_reset(bus);
#endif /* FORCE_DONGLE_RESET_IN_DEVRESET_ON */
bcmerror = dhdpcie_bus_dongle_attach(bus);
if (bcmerror) {
DHD_ERROR(("%s: dhdpcie_bus_dongle_attach failed: %d\n",
__FUNCTION__, bcmerror));
goto done;
}
bcmerror = dhd_bus_request_irq(bus);
if (bcmerror) {
DHD_ERROR(("%s: dhd_bus_request_irq failed: %d\n",
__FUNCTION__, bcmerror));
goto done;
}
bus->dhd->dongle_reset = FALSE;
#if defined(DHD_CONTROL_PCIE_CPUCORE_WIFI_TURNON)
dhd_irq_set_affinity(bus->dhd, cpumask_of(1));
#endif /* DHD_CONTROL_PCIE_CPUCORE_WIFI_TURNON */
bcmerror = dhd_bus_start(dhdp);
if (bcmerror) {
DHD_ERROR(("%s: dhd_bus_start: %d\n",
__FUNCTION__, bcmerror));
goto done;
}
/* Renabling watchdog which is disabled in dhdpcie_advertise_bus_cleanup */
if (bus->dhd->dhd_watchdog_ms_backup) {
DHD_ERROR(("%s: Enabling wdtick after dhd init\n",
__FUNCTION__));
dhd_os_wd_timer(bus->dhd, bus->dhd->dhd_watchdog_ms_backup);
}
DHD_ERROR(("%s: WLAN Power On Done\n", __FUNCTION__));
} else {
DHD_ERROR(("%s: what should we do here\n", __FUNCTION__));
goto done;
}
}
done:
return bcmerror;
}
#else
int
dhd_bus_devreset(dhd_pub_t *dhdp, uint8 flag)
{
dhd_bus_t *bus = dhdp->bus;
int bcmerror = 0;
unsigned long flags;
if (flag == TRUE) {
/* Removing Power */
if (!dhdp->dongle_reset) {
DHD_ERROR(("%s: == Power OFF ==\n", __FUNCTION__));
dhdpcie_advertise_bus_cleanup(bus->dhd);
dhd_os_sdlock(dhdp);
dhd_os_wd_timer(dhdp, 0);
dhd_bus_stop(bus, FALSE);
dhd_prot_reset(dhdp);
dhdpcie_bus_release_dongle(bus, bus->dhd->osh,
bus->dhd->dongle_isolation, TRUE);
bus->dhd->dongle_reset = TRUE;
dhd_os_sdunlock(dhdp);
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__));
bus->dhd->busstate = DHD_BUS_DOWN;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
DHD_ERROR(("%s: WLAN OFF Done\n", __FUNCTION__));
} else {
DHD_ERROR(("%s: Dongle is already in RESET!\n", __FUNCTION__));
bcmerror = BCME_DONGLE_DOWN;
}
} else {
/* Powering On */
DHD_ERROR(("%s: == Power ON ==\n", __FUNCTION__));
if (bus->dhd->dongle_reset) {
dhd_os_sdlock(dhdp); /* Turn on WLAN */
if (dhdpcie_dongle_attach(bus)) {
DHD_ERROR(("%s: dhdpcie_probe_attach failed\n", __FUNCTION__));
dhd_os_sdunlock(dhdp);
return BCME_DONGLE_DOWN;
}
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__));
bus->dhd->busstate = DHD_BUS_DOWN;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
DHD_INFO(("%s: About to download firmware\n", __FUNCTION__));
if (dhd_bus_download_firmware(bus, bus->dhd->osh,
bus->fw_path, bus->nv_path) == 0) {
bcmerror = dhd_bus_init((dhd_pub_t *) bus->dhd, FALSE);
if (bcmerror == BCME_OK) {
bus->dhd->dongle_reset = FALSE;
dhd_os_wd_timer(dhdp, dhd_watchdog_ms);
DHD_ERROR(("%s: WLAN Power On Done\n", __FUNCTION__));
} else {
DHD_ERROR(("%s: dhd_bus_init FAILed\n", __FUNCTION__));
dhd_bus_stop(bus, FALSE);
}
} else {
DHD_ERROR(("%s: dhd_bus_download_firmware FAILed\n", __FUNCTION__));
bcmerror = BCME_DONGLE_DOWN;
}
dhd_os_sdunlock(dhdp);
} else {
bcmerror = BCME_DONGLE_DOWN;
DHD_ERROR(("%s called when dongle is not in reset\n", __FUNCTION__));
}
}
return bcmerror;
}
#endif /* LINUX || linux */
#ifdef DHD_PCIE_REG_ACCESS
static int
pcie2_mdioop(dhd_bus_t *bus, uint physmedia, uint regaddr, bool write, uint *val,
bool slave_bypass)
{
uint pcie_serdes_spinwait = 200, i = 0, mdio_ctrl;
uint32 reg32;
pcie2_mdiosetblock(bus, physmedia);
/* enable mdio access to SERDES */
mdio_ctrl = MDIOCTL2_DIVISOR_VAL;
mdio_ctrl |= (regaddr << MDIOCTL2_REGADDR_SHF);
if (slave_bypass)
mdio_ctrl |= MDIOCTL2_SLAVE_BYPASS;
if (!write)
mdio_ctrl |= MDIOCTL2_READ;
si_corereg(bus->sih, bus->sih->buscoreidx, PCIE2_MDIO_CONTROL, ~0, mdio_ctrl);
if (write) {
reg32 = PCIE2_MDIO_WR_DATA;
si_corereg(bus->sih, bus->sih->buscoreidx, PCIE2_MDIO_WR_DATA, ~0,
*val | MDIODATA2_DONE);
} else
reg32 = PCIE2_MDIO_RD_DATA;
/* retry till the transaction is complete */
while (i < pcie_serdes_spinwait) {
uint done_val = si_corereg(bus->sih, bus->sih->buscoreidx, reg32, 0, 0);
if (!(done_val & MDIODATA2_DONE)) {
if (!write) {
*val = si_corereg(bus->sih, bus->sih->buscoreidx,
PCIE2_MDIO_RD_DATA, 0, 0);
*val = *val & MDIODATA2_MASK;
}
return 0;
}
OSL_DELAY(1000);
i++;
}
return -1;
}
#endif /* DHD_PCIE_REG_ACCESS */
#ifdef BCMINTERNAL
static uint64
serialized_backplane_access_64(dhd_bus_t *bus, uint addr, uint size, uint64 *val, bool read)
{
uint64 ret;
unsigned long flags;
DHD_BACKPLANE_ACCESS_LOCK(bus->backplane_access_lock, flags);
ret = si_backplane_access_64(bus->sih, addr, size, val, read);
DHD_BACKPLANE_ACCESS_UNLOCK(bus->backplane_access_lock, flags);
return ret;
}
#endif /* BCMINTERNAL */
static int
dhdpcie_get_dma_ring_indices(dhd_pub_t *dhd)
{
int h2d_support, d2h_support;
d2h_support = dhd->dma_d2h_ring_upd_support ? 1 : 0;
h2d_support = dhd->dma_h2d_ring_upd_support ? 1 : 0;
return (d2h_support | (h2d_support << 1));
}
int
dhdpcie_set_dma_ring_indices(dhd_pub_t *dhd, int32 int_val)
{
int bcmerror = 0;
/* Can change it only during initialization/FW download */
if (dhd->busstate == DHD_BUS_DOWN) {
if ((int_val > 3) || (int_val < 0)) {
DHD_ERROR(("Bad argument. Possible values: 0, 1, 2 & 3\n"));
bcmerror = BCME_BADARG;
} else {
dhd->dma_d2h_ring_upd_support = (int_val & 1) ? TRUE : FALSE;
dhd->dma_h2d_ring_upd_support = (int_val & 2) ? TRUE : FALSE;
dhd->dma_ring_upd_overwrite = TRUE;
}
} else {
DHD_ERROR(("%s: Can change only when bus down (before FW download)\n",
__FUNCTION__));
bcmerror = BCME_NOTDOWN;
}
return bcmerror;
}
/* si_backplane_access() manages a shared resource - BAR0 mapping, hence its
* calls shall be serialized. This wrapper function provides such serialization
* and shall be used everywjer einstead of direct call of si_backplane_access()
*
* Linux DHD driver calls si_backplane_access() from 3 three contexts: tasklet
* (that may call dhdpcie_sssr_dump() from dhdpcie_sssr_dump()), iovar
* ("sbreg", "membyres", etc.) and procfs (used by GDB proxy). To avoid race
* conditions calls of si_backplane_access() shall be serialized. Presence of
* tasklet context implies that serialization shall b ebased on spinlock. Hence
* Linux implementation of dhd_pcie_backplane_access_[un]lock() is
* spinlock-based.
*
* Other platforms may add their own implementations of
* dhd_pcie_backplane_access_[un]lock() as needed (e.g. if serialization is not
* needed implementation might be empty)
*/
static uint
serialized_backplane_access(dhd_bus_t *bus, uint addr, uint size, uint *val, bool read)
{
uint ret;
unsigned long flags;
DHD_BACKPLANE_ACCESS_LOCK(bus->backplane_access_lock, flags);
ret = si_backplane_access(bus->sih, addr, size, val, read);
DHD_BACKPLANE_ACCESS_UNLOCK(bus->backplane_access_lock, flags);
return ret;
}
#ifndef DHD_CAP_PLATFORM
#define DHD_CAP_PLATFORM "x86 "
#endif
#ifndef DHD_CAP_CUSTOMER
#define DHD_CAP_CUSTOMER "brcm "
#endif
void
BCMRAMFN(dhd_cap_bcmstrbuf)(dhd_pub_t *dhd, struct bcmstrbuf *b)
{
bcm_bprintf(b, DHD_CAP_PLATFORM);
bcm_bprintf(b, DHD_CAP_CUSTOMER);
#ifdef PCIE_FULL_DONGLE
bcm_bprintf(b, "pcie ");
#endif /* PCIE_FULL_DONGLE */
/* regaccess and memaccess will be present only for internal reference builds @brcm */
#ifdef DHD_NO_MOG
bcm_bprintf(b, "internal ");
#else
bcm_bprintf(b, "external ");
#endif /* DHD_NO_MOG */
#ifdef WLAN_ACCEL_BOOT
bcm_bprintf(b, "wlan-accel ");
#endif /* WLAN_ACCEL_BOOT */
#ifdef ENABLE_DHD_GRO
bcm_bprintf(b, "gro ");
#endif /* ENABLE_DHD_GRO */
#ifdef WBRC
bcm_bprintf(b, "wbrc ");
#endif /* ENABLE_DHD_GRO */
#ifdef WL_CFG80211
bcm_bprintf(b, "cfg80211 ");
#endif /* WL_CFG80211 */
#ifdef DHD_FILE_DUMP_EVENT
bcm_bprintf(b, "haldump ");
#endif /* DHD_FILE_DUMP_EVENT */
#ifdef DHD_LB_RXP
bcm_bprintf(b, "lbrxp ");
#endif /* DHD_LB_RXP */
#ifdef DHD_LB_TXP
#ifdef DHD_LB_TXP_DEFAULT_ENAB
bcm_bprintf(b, "lbtxp ");
#endif /* DHD_LB_TXP_DEFAULT_ENAB */
#endif /* DHD_LB_TXP */
#ifdef DHD_HTPUT_TUNABLES
bcm_bprintf(b, "htput ");
#endif /* DHD_HTPUT_TUNABLES */
}
/** Return dhd capability string */
static char*
dhd_cap(dhd_pub_t *dhd, char *buf, uint bufsize)
{
struct bcmstrbuf b;
bcm_binit(&b, buf, bufsize);
dhd_cap_bcmstrbuf(dhd, &b);
/* this is either full or overflow. return error */
if (b.size <= 1)
return NULL;
return (buf);
}
/**
* IOVAR handler of the DHD bus layer (in this case, the PCIe bus).
*
* @param actionid e.g. IOV_SVAL(IOV_PCIEREG)
* @param params input buffer
* @param plen length in [bytes] of input buffer 'params'
* @param arg output buffer
* @param len length in [bytes] of output buffer 'arg'
*/
static int
dhdpcie_bus_doiovar(dhd_bus_t *bus, const bcm_iovar_t *vi, uint32 actionid, const char *name,
void *params, uint plen, void *arg, uint len, int val_size)
{
int bcmerror = 0;
#ifdef BCMINTERNAL
uint64 uint64_val = 0;
#endif /* BCMINTERNAL */
int32 int_val = 0;
int32 int_val2 = 0;
int32 int_val3 = 0;
bool bool_val = 0;
DHD_TRACE(("%s: Enter, action %d name %s params %p plen %d arg %p len %d val_size %d\n",
__FUNCTION__, actionid, name, params, plen, arg, len, val_size));
if ((bcmerror = bcm_iovar_lencheck(vi, arg, len, IOV_ISSET(actionid))) != 0)
goto exit;
if (plen >= sizeof(int_val))
bcopy(params, &int_val, sizeof(int_val));
if (plen >= sizeof(int_val) * 2)
bcopy((void*)((uintptr)params + sizeof(int_val)), &int_val2, sizeof(int_val2));
if (plen >= sizeof(int_val) * 3)
bcopy((void*)((uintptr)params + 2 * sizeof(int_val)), &int_val3, sizeof(int_val3));
bool_val = (int_val != 0) ? TRUE : FALSE;
/* Check if dongle is in reset. If so, only allow DEVRESET iovars */
if (bus->dhd->dongle_reset && !(actionid == IOV_SVAL(IOV_DEVRESET) ||
actionid == IOV_GVAL(IOV_DEVRESET))) {
bcmerror = BCME_NOTREADY;
goto exit;
}
switch (actionid) {
#ifdef BCMINTERNAL
case IOV_SVAL(IOV_MSI_SIM):
/* allocate memory for MSI (Message Signaled Interrupt) window */
int_val = !!int_val;
DHD_INFO(("int_val is %d\n", int_val));
if (bus->msi_sim != int_val) {
if (int_val) {
/* bus->msi_addr */
bus->msi_sim_addr =
MALLOC(bus->dhd->osh, MSI_SIM_BUFSIZE);
if (bus->msi_sim_addr) {
*bus->msi_sim_addr = 0;
bus->msi_sim_phys = DMA_MAP(bus->dhd->osh,
bus->msi_sim_addr, MSI_SIM_BUFSIZE, DMA_RX, 0, 0);
/* program the MSI addr */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t,
configaddr), ~0, PCIE_CFG_MSIDATA_OFFSET);
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t,
configdata), ~0, PCIE_CFG_MSI_GENDATA);
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t,
configaddr), ~0, PCIE_CFG_MSIADDR_LOW_OFFSET);
ASSERT(PHYSADDRHI(bus->msi_sim_phys) == 0);
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t,
configdata), ~0, (uint32)PHYSADDRLO(bus->msi_sim_phys));
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t,
configaddr), ~0, PCIE_CFG_MSICAP_OFFSET);
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t,
configdata), ~0, PCIE_CFG_MSICAP_ENABLE_MSI);
/* poll the MSI addr window */
bus->pollrate = 10;
}
DHD_INFO(("msi_sim_addr is %p\n", bus->msi_sim_addr));
} else {
/* bus->msi_addr */
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t,
configaddr), ~0,
PCIE_CFG_MSICAP_OFFSET);
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t,
configdata), ~0,
PCIE_CFG_MSICAP_DISABLE_MSI);
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t,
configaddr), ~0,
PCIE_CFG_MSIADDR_LOW_OFFSET);
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, configdata), ~0, 0);
DMA_UNMAP(bus->dhd->osh, bus->msi_sim_phys,
MSI_SIM_BUFSIZE, DMA_RX, 0, 0);
MFREE(bus->dhd->osh,
bus->msi_sim_addr, MSI_SIM_BUFSIZE);
}
bus->msi_sim = (bool)int_val;
}
break;
case IOV_GVAL(IOV_MSI_SIM):
bcopy(&bus->msi_sim, arg, val_size);
break;
#endif /* BCMINTERNAL */
case IOV_SVAL(IOV_VARS):
bcmerror = dhdpcie_downloadvars(bus, arg, len);
break;
#ifdef DHD_PCIE_REG_ACCESS
case IOV_SVAL(IOV_PCIEREG):
/* XXX: validate int_val ??? */
si_corereg(bus->sih, bus->sih->buscoreidx, OFFSETOF(sbpcieregs_t, configaddr), ~0,
int_val);
si_corereg(bus->sih, bus->sih->buscoreidx, OFFSETOF(sbpcieregs_t, configdata), ~0,
int_val2);
break;
case IOV_GVAL(IOV_PCIEREG):
/* XXX: validate int_val ??? */
si_corereg(bus->sih, bus->sih->buscoreidx, OFFSETOF(sbpcieregs_t, configaddr), ~0,
int_val);
int_val = si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, configdata), 0, 0);
bcopy(&int_val, arg, sizeof(int_val));
break;
case IOV_SVAL(IOV_PCIECOREREG):
/* XXX: validate int_val ??? */
si_corereg(bus->sih, bus->sih->buscoreidx, int_val, ~0, int_val2);
break;
case IOV_GVAL(IOV_BAR0_SECWIN_REG):
{
sdreg_t sdreg;
uint32 addr, size;
bcopy(params, &sdreg, sizeof(sdreg));
addr = sdreg.offset;
size = sdreg.func;
if (serialized_backplane_access(bus, addr, size, (uint *)&int_val, TRUE) != BCME_OK)
{
DHD_ERROR(("Invalid size/addr combination \n"));
bcmerror = BCME_ERROR;
break;
}
bcopy(&int_val, arg, sizeof(int32));
break;
}
case IOV_SVAL(IOV_BAR0_SECWIN_REG):
{
sdreg_t sdreg;
uint32 addr, size;
bcopy(params, &sdreg, sizeof(sdreg));
addr = sdreg.offset;
size = sdreg.func;
if (serialized_backplane_access(bus, addr, size,
(uint *)(&sdreg.value), FALSE) != BCME_OK) {
DHD_ERROR(("Invalid size/addr combination \n"));
bcmerror = BCME_ERROR;
}
break;
}
case IOV_GVAL(IOV_SBREG):
{
sdreg_t sdreg;
uint32 addr, size;
bcopy(params, &sdreg, sizeof(sdreg));
addr = sdreg.offset | SI_ENUM_BASE(bus->sih);
size = sdreg.func;
if (serialized_backplane_access(bus, addr, size, (uint *)&int_val, TRUE) != BCME_OK)
{
DHD_ERROR(("Invalid size/addr combination \n"));
bcmerror = BCME_ERROR;
break;
}
bcopy(&int_val, arg, size);
break;
}
case IOV_SVAL(IOV_SBREG):
{
sdreg_t sdreg;
uint32 addr, size;
bcopy(params, &sdreg, sizeof(sdreg));
addr = sdreg.offset | SI_ENUM_BASE(bus->sih);
size = sdreg.func;
if (serialized_backplane_access(bus, addr, size,
(uint *)(&sdreg.value), FALSE) != BCME_OK) {
DHD_ERROR(("Invalid size/addr combination \n"));
bcmerror = BCME_ERROR;
}
break;
}
case IOV_GVAL(IOV_PCIESERDESREG):
{
uint val;
if (!PCIE_GEN2(bus->sih)) {
DHD_ERROR(("supported only in pcie gen2\n"));
bcmerror = BCME_ERROR;
break;
}
if (!pcie2_mdioop(bus, int_val, int_val2, FALSE, &val, FALSE)) {
bcopy(&val, arg, sizeof(int32));
} else {
DHD_ERROR(("pcie2_mdioop failed.\n"));
bcmerror = BCME_ERROR;
}
break;
}
case IOV_SVAL(IOV_PCIESERDESREG):
if (!PCIE_GEN2(bus->sih)) {
DHD_ERROR(("supported only in pcie gen2\n"));
bcmerror = BCME_ERROR;
break;
}
if (pcie2_mdioop(bus, int_val, int_val2, TRUE, (uint *)&int_val3, FALSE)) {
DHD_ERROR(("pcie2_mdioop failed.\n"));
bcmerror = BCME_ERROR;
}
break;
case IOV_GVAL(IOV_PCIECOREREG):
/* XXX: validate int_val ??? */
int_val = si_corereg(bus->sih, bus->sih->buscoreidx, int_val, 0, 0);
bcopy(&int_val, arg, sizeof(int_val));
break;
case IOV_SVAL(IOV_PCIECFGREG):
/* XXX: validate int_val ??? */
OSL_PCI_WRITE_CONFIG(bus->osh, int_val, 4, int_val2);
break;
case IOV_GVAL(IOV_PCIECFGREG):
/* XXX: validate int_val ??? */
int_val = OSL_PCI_READ_CONFIG(bus->osh, int_val, 4);
bcopy(&int_val, arg, sizeof(int_val));
break;
#endif /* DHD_PCIE_REG_ACCESS */
case IOV_SVAL(IOV_PCIE_LPBK):
bcmerror = dhdpcie_bus_lpback_req(bus, int_val);
break;
case IOV_SVAL(IOV_PCIE_DMAXFER): {
dma_xfer_info_t *dmaxfer = (dma_xfer_info_t *)arg;
uint32 mem_addr;
if (!dmaxfer)
return BCME_BADARG;
if (dmaxfer->version != DHD_DMAXFER_VERSION)
return BCME_VERSION;
if (dmaxfer->length != sizeof(dma_xfer_info_t)) {
return BCME_BADLEN;
}
mem_addr = (uint32)dmaxfer->tput;
dmaxfer->tput = 0;
bcmerror = dhdpcie_bus_dmaxfer_req(bus, dmaxfer->num_bytes,
dmaxfer->src_delay, dmaxfer->dest_delay,
dmaxfer->type, dmaxfer->core_num,
dmaxfer->should_wait, mem_addr);
if (dmaxfer->should_wait && bcmerror >= 0) {
bcmerror = dhdmsgbuf_dmaxfer_status(bus->dhd, dmaxfer);
}
break;
}
case IOV_GVAL(IOV_PCIE_DMAXFER): {
dma_xfer_info_t *dmaxfer = (dma_xfer_info_t *)params;
if (!dmaxfer)
return BCME_BADARG;
if (dmaxfer->version != DHD_DMAXFER_VERSION)
return BCME_VERSION;
if (dmaxfer->length != sizeof(dma_xfer_info_t)) {
return BCME_BADLEN;
}
bcmerror = dhdmsgbuf_dmaxfer_status(bus->dhd, dmaxfer);
break;
}
#ifdef BCMINTERNAL
case IOV_GVAL(IOV_PCIE_TX_LPBK):
int_val = dhdpcie_bus_get_tx_lpback(bus);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_PCIE_TX_LPBK):
bcmerror = dhdpcie_bus_set_tx_lpback(bus, bool_val);
break;
#endif /* BCMINTERNAL */
#ifdef PCIE_OOB
case IOV_GVAL(IOV_OOB_BT_REG_ON):
int_val = dhd_oob_get_bt_reg_on(bus);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_OOB_BT_REG_ON):
dhd_oob_set_bt_reg_on(bus, (uint8)int_val);
break;
case IOV_GVAL(IOV_OOB_ENABLE):
int_val = bus->oob_enabled;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_OOB_ENABLE):
bus->oob_enabled = (bool)int_val;
break;
#endif /* PCIE_OOB */
#ifdef PCIE_INB_DW
case IOV_GVAL(IOV_INB_DW_ENABLE):
int_val = bus->inb_enabled;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_INB_DW_ENABLE):
bus->inb_enabled = (bool)int_val;
break;
#endif /* PCIE_INB_DW */
#if defined(PCIE_OOB) || defined(PCIE_INB_DW)
case IOV_GVAL(IOV_DEEP_SLEEP):
int_val = bus->ds_enabled;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_DEEP_SLEEP):
if (int_val == 1) {
bus->deep_sleep = TRUE;
if (!bus->ds_enabled) {
bus->ds_enabled = TRUE;
/* Deassert */
if (dhd_bus_set_device_wake(bus, FALSE) == BCME_OK) {
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
int timeleft;
timeleft = dhd_os_ds_enter_wait(bus->dhd, NULL);
if (timeleft == 0) {
DHD_ERROR(("DS-ENTER timeout\n"));
bus->ds_enabled = FALSE;
break;
}
}
#endif /* PCIE_INB_DW */
}
else {
DHD_ERROR(("%s: Enable Deep Sleep failed !\n",
__FUNCTION__));
bus->ds_enabled = FALSE;
}
} else {
DHD_ERROR(("%s: Deep Sleep already enabled !\n", __FUNCTION__));
}
}
else if (int_val == 0) {
bus->deep_sleep = FALSE;
if (bus->ds_enabled) {
#if defined(DHD_EFI) && defined(DHD_INTR_POLL_PERIOD_DYNAMIC)
bus->dhd->cur_intr_poll_period = dhd_os_get_intr_poll_period();
/* for accurately measuring ds-exit latency
* set interrupt poll period to a lesser value
*/
dhd_os_set_intr_poll_period(bus, INTR_POLL_PERIOD_CRITICAL);
#endif /* DHD_EFI && DHD_INTR_POLL_PERIOD_DYNAMIC */
bus->calc_ds_exit_latency = TRUE;
/* Assert */
if (dhd_bus_set_device_wake(bus, TRUE) == BCME_OK) {
bus->ds_enabled = FALSE;
if (INBAND_DW_ENAB(bus)) {
if (bus->ds_exit_latency != 0) {
DHD_ERROR(("DS-EXIT latency = %llu us\n",
bus->ds_exit_latency));
} else {
DHD_ERROR(("Failed to measure DS-EXIT"
" latency!(Possibly a non"
" waitable context)\n"));
}
}
} else {
DHD_ERROR(("%s: Disable Deep Sleep failed !\n",
__FUNCTION__));
}
bus->calc_ds_exit_latency = FALSE;
#if defined(DHD_EFI) && defined(DHD_INTR_POLL_PERIOD_DYNAMIC)
/* restore interrupt poll period to the previous existing value */
dhd_os_set_intr_poll_period(bus, bus->dhd->cur_intr_poll_period);
#endif /* DHD_EFI && DHD_INTR_POLL_PERIOD_DYNAMIC */
} else {
DHD_ERROR(("%s: Deep Sleep already disabled !\n", __FUNCTION__));
}
}
else
DHD_ERROR(("%s: Invalid number, allowed only 0|1\n", __FUNCTION__));
break;
#endif /* PCIE_OOB || PCIE_INB_DW */
#ifdef DEVICE_TX_STUCK_DETECT
case IOV_GVAL(IOV_DEVICE_TX_STUCK_DETECT):
int_val = bus->dev_tx_stuck_monitor;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_DEVICE_TX_STUCK_DETECT):
bus->dev_tx_stuck_monitor = (bool)int_val;
break;
#endif /* DEVICE_TX_STUCK_DETECT */
case IOV_GVAL(IOV_PCIE_SUSPEND):
int_val = (bus->dhd->busstate == DHD_BUS_SUSPEND) ? 1 : 0;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_PCIE_SUSPEND):
if (bool_val) { /* Suspend */
int ret;
unsigned long flags;
/*
* If some other context is busy, wait until they are done,
* before starting suspend
*/
ret = dhd_os_busbusy_wait_condition(bus->dhd,
&bus->dhd->dhd_bus_busy_state, DHD_BUS_BUSY_IN_DHD_IOVAR);
if (ret == 0) {
DHD_ERROR(("%s:Wait Timedout, dhd_bus_busy_state = 0x%x\n",
__FUNCTION__, bus->dhd->dhd_bus_busy_state));
return BCME_BUSY;
}
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_BUS_BUSY_SET_SUSPEND_IN_PROGRESS(bus->dhd);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
dhdpcie_bus_suspend(bus, TRUE, TRUE);
#else
dhdpcie_bus_suspend(bus, TRUE);
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_BUS_BUSY_CLEAR_SUSPEND_IN_PROGRESS(bus->dhd);
dhd_os_busbusy_wake(bus->dhd);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
} else { /* Resume */
unsigned long flags;
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_BUS_BUSY_SET_RESUME_IN_PROGRESS(bus->dhd);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
dhdpcie_bus_suspend(bus, FALSE);
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_BUS_BUSY_CLEAR_RESUME_IN_PROGRESS(bus->dhd);
dhd_os_busbusy_wake(bus->dhd);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
}
break;
case IOV_GVAL(IOV_MEMSIZE):
int_val = (int32)bus->ramsize;
bcopy(&int_val, arg, val_size);
break;
#ifdef DHD_BUS_MEM_ACCESS
case IOV_SVAL(IOV_MEMBYTES):
case IOV_GVAL(IOV_MEMBYTES):
{
uint32 address; /* absolute backplane address */
uint size, dsize;
uint8 *data;
bool set = (actionid == IOV_SVAL(IOV_MEMBYTES));
ASSERT(plen >= 2*sizeof(int));
address = (uint32)int_val;
bcopy((char *)params + sizeof(int_val), &int_val, sizeof(int_val));
size = (uint)int_val;
/* Do some validation */
dsize = set ? plen - (2 * sizeof(int)) : len;
if (dsize < size) {
DHD_ERROR(("%s: error on %s membytes, addr 0x%08x size %d dsize %d\n",
__FUNCTION__, (set ? "set" : "get"), address, size, dsize));
bcmerror = BCME_BADARG;
break;
}
DHD_INFO(("%s: Request to %s %d bytes at address 0x%08x\n dsize %d ", __FUNCTION__,
(set ? "write" : "read"), size, address, dsize));
/* check if CR4 */
if (si_setcore(bus->sih, ARMCR4_CORE_ID, 0) ||
si_setcore(bus->sih, ARMCA7_CORE_ID, 0) ||
si_setcore(bus->sih, SYSMEM_CORE_ID, 0)) {
/* if address is 0, store the reset instruction to be written in 0 */
if (set && address == bus->dongle_ram_base) {
bus->resetinstr = *(((uint32*)params) + 2);
}
}
/* Generate the actual data pointer */
data = set ? (uint8*)params + 2 * sizeof(int): (uint8*)arg;
/* Call to do the transfer */
bcmerror = dhdpcie_bus_membytes(bus, set, address, data, size);
break;
}
#endif /* DHD_BUS_MEM_ACCESS */
/* Debug related. Dumps core registers or one of the dongle memory */
case IOV_GVAL(IOV_DUMP_DONGLE):
{
dump_dongle_in_t ddi = *(dump_dongle_in_t*)params;
dump_dongle_out_t *ddo = (dump_dongle_out_t*)arg;
uint32 *p = ddo->val;
const uint max_offset = 4096 - 1; /* one core contains max 4096/4 registers */
if (plen < sizeof(ddi) || len < sizeof(ddo)) {
bcmerror = BCME_BADARG;
break;
}
switch (ddi.type) {
case DUMP_DONGLE_COREREG:
ddo->n_bytes = 0;
if (si_setcoreidx(bus->sih, ddi.index) == NULL) {
break; // beyond last core: core enumeration ended
}
ddo->address = si_addrspace(bus->sih, CORE_SLAVE_PORT_0, CORE_BASE_ADDR_0);
ddo->address += ddi.offset; // BP address at which this dump starts
ddo->id = si_coreid(bus->sih);
ddo->rev = si_corerev(bus->sih);
while (ddi.offset < max_offset &&
sizeof(dump_dongle_out_t) + ddo->n_bytes < (uint)len) {
*p++ = si_corereg(bus->sih, ddi.index, ddi.offset, 0, 0);
ddi.offset += sizeof(uint32);
ddo->n_bytes += sizeof(uint32);
}
break;
default:
// TODO: implement d11 SHM/TPL dumping
bcmerror = BCME_BADARG;
break;
}
break;
}
/* Debug related. Returns a string with dongle capabilities */
case IOV_GVAL(IOV_DHD_CAPS):
{
if (dhd_cap(bus->dhd, (char*)arg, len) == NULL) {
bcmerror = BCME_BUFTOOSHORT;
}
break;
}
#if defined(DEBUGGER) || defined(DHD_DSCOPE)
case IOV_SVAL(IOV_GDB_SERVER):
/* debugger_*() functions may sleep, so cannot hold spinlock */
if (int_val > 0) {
debugger_init((void *) bus, &bus_ops, int_val, SI_ENUM_BASE(bus->sih));
} else {
debugger_close();
}
break;
#endif /* DEBUGGER || DHD_DSCOPE */
#if defined(GDB_PROXY)
case IOV_GVAL(IOV_GDB_PROXY_PROBE):
{
dhd_gdb_proxy_probe_data_t ret;
ret.data_len = (uint32)sizeof(ret);
ret.magic = DHD_IOCTL_MAGIC;
ret.flags = 0;
if (bus->gdb_proxy_access_enabled) {
ret.flags |= DHD_GDB_PROXY_PROBE_ACCESS_ENABLED;
if (bus->dhd->busstate < DHD_BUS_LOAD) {
ret.flags |= DHD_GDB_PROXY_PROBE_FIRMWARE_NOT_RUNNING;
} else {
ret.flags |= DHD_GDB_PROXY_PROBE_FIRMWARE_RUNNING;
}
}
if (bus->gdb_proxy_bootloader_mode) {
ret.flags |= DHD_GDB_PROXY_PROBE_BOOTLOADER_MODE;
}
ret.last_id = bus->gdb_proxy_last_id;
if (bus->hostfw_buf.va) {
ret.flags |= DHD_GDB_PROXY_PROBE_HOSTMEM_CODE;
ret.hostmem_code_win_base =
(uint32)PCIEDEV_ARM_ADDR(PHYSADDRLO(bus->hostfw_buf.pa),
PCIEDEV_TRANS_WIN_HOSTMEM);
ret.hostmem_code_win_length = bus->hostfw_buf.len;
}
if (plen && int_val) {
bus->gdb_proxy_last_id = (uint32)int_val;
}
if (len >= sizeof(ret)) {
bcopy(&ret, arg, sizeof(ret));
bus->dhd->gdb_proxy_active = TRUE;
} else {
bcmerror = BCME_BADARG;
}
break;
}
case IOV_GVAL(IOV_GDB_PROXY_STOP_COUNT):
int_val = (int32)bus->dhd->gdb_proxy_stop_count;
bcopy(&int_val, arg, sizeof(int_val));
break;
case IOV_SVAL(IOV_GDB_PROXY_STOP_COUNT):
bus->dhd->gdb_proxy_stop_count = (uint32)int_val;
break;
#endif /* GDB_PROXY */
#ifdef BCM_BUZZZ
/* Dump dongle side buzzz trace to console */
case IOV_GVAL(IOV_BUZZZ_DUMP):
bcmerror = dhd_buzzz_dump_dngl(bus);
break;
#endif /* BCM_BUZZZ */
case IOV_SVAL(IOV_SET_DOWNLOAD_STATE):
bcmerror = dhdpcie_bus_download_state(bus, bool_val);
break;
#if defined(FW_SIGNATURE)
case IOV_SVAL(IOV_SET_DOWNLOAD_INFO):
{
fw_download_info_t *info = (fw_download_info_t*)params;
DHD_INFO(("dwnldinfo: sig=%s fw=%x,%u bl=%s,0x%x\n",
info->fw_signature_fname,
info->fw_start_addr, info->fw_size,
info->bootloader_fname, info->bootloader_start_addr));
bcmerror = dhdpcie_bus_save_download_info(bus,
info->fw_start_addr, info->fw_size, info->fw_signature_fname,
info->bootloader_fname, info->bootloader_start_addr);
break;
}
#endif /* FW_SIGNATURE */
case IOV_GVAL(IOV_RAMSIZE):
int_val = (int32)bus->ramsize;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_RAMSIZE):
bus->ramsize = int_val;
bus->orig_ramsize = int_val;
break;
case IOV_GVAL(IOV_RAMSTART):
int_val = (int32)bus->dongle_ram_base;
bcopy(&int_val, arg, val_size);
break;
case IOV_GVAL(IOV_CC_NVMSHADOW):
{
struct bcmstrbuf dump_b;
bcm_binit(&dump_b, arg, len);
bcmerror = dhdpcie_cc_nvmshadow(bus, &dump_b);
break;
}
case IOV_GVAL(IOV_SLEEP_ALLOWED):
bool_val = bus->sleep_allowed;
bcopy(&bool_val, arg, val_size);
break;
case IOV_SVAL(IOV_SLEEP_ALLOWED):
bus->sleep_allowed = bool_val;
break;
case IOV_GVAL(IOV_DONGLEISOLATION):
int_val = bus->dhd->dongle_isolation;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_DONGLEISOLATION):
bus->dhd->dongle_isolation = bool_val;
break;
case IOV_GVAL(IOV_LTRSLEEPON_UNLOOAD):
int_val = bus->ltrsleep_on_unload;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_LTRSLEEPON_UNLOOAD):
bus->ltrsleep_on_unload = bool_val;
break;
case IOV_GVAL(IOV_DUMP_RINGUPD_BLOCK):
{
struct bcmstrbuf dump_b;
bcm_binit(&dump_b, arg, len);
bcmerror = dhd_prot_ringupd_dump(bus->dhd, &dump_b);
break;
}
case IOV_GVAL(IOV_DMA_RINGINDICES):
{
int_val = dhdpcie_get_dma_ring_indices(bus->dhd);
bcopy(&int_val, arg, sizeof(int_val));
break;
}
case IOV_SVAL(IOV_DMA_RINGINDICES):
bcmerror = dhdpcie_set_dma_ring_indices(bus->dhd, int_val);
break;
case IOV_GVAL(IOV_METADATA_DBG):
int_val = dhd_prot_metadata_dbg_get(bus->dhd);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_METADATA_DBG):
dhd_prot_metadata_dbg_set(bus->dhd, (int_val != 0));
break;
case IOV_GVAL(IOV_RX_METADATALEN):
int_val = dhd_prot_metadatalen_get(bus->dhd, TRUE);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_RX_METADATALEN):
#if !(defined(BCM_ROUTER_DHD))
if (int_val > 64) {
bcmerror = BCME_BUFTOOLONG;
break;
}
dhd_prot_metadatalen_set(bus->dhd, int_val, TRUE);
#else
bcmerror = BCME_UNSUPPORTED;
#endif /* BCM_ROUTER_DHD */
break;
case IOV_SVAL(IOV_TXP_THRESHOLD):
dhd_prot_txp_threshold(bus->dhd, TRUE, int_val);
break;
case IOV_GVAL(IOV_TXP_THRESHOLD):
int_val = dhd_prot_txp_threshold(bus->dhd, FALSE, int_val);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_DB1_FOR_MB):
if (int_val)
bus->db1_for_mb = TRUE;
else
bus->db1_for_mb = FALSE;
break;
case IOV_GVAL(IOV_DB1_FOR_MB):
if (bus->db1_for_mb)
int_val = 1;
else
int_val = 0;
bcopy(&int_val, arg, val_size);
break;
case IOV_GVAL(IOV_TX_METADATALEN):
int_val = dhd_prot_metadatalen_get(bus->dhd, FALSE);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_TX_METADATALEN):
#if !(defined(BCM_ROUTER_DHD))
if (int_val > 64) {
bcmerror = BCME_BUFTOOLONG;
break;
}
dhd_prot_metadatalen_set(bus->dhd, int_val, FALSE);
#else
bcmerror = BCME_UNSUPPORTED;
#endif /* BCM_ROUTER_DHD */
break;
case IOV_SVAL(IOV_DEVRESET):
{
devreset_info_t *devreset = (devreset_info_t *)arg;
if (!devreset) {
return BCME_BADARG;
}
if (devreset->length == sizeof(devreset_info_t)) {
if (devreset->version != DHD_DEVRESET_VERSION) {
return BCME_VERSION;
}
int_val = devreset->mode;
}
switch (int_val) {
case DHD_BUS_DEVRESET_ON:
bcmerror = dhd_bus_devreset(bus->dhd, (uint8)int_val);
break;
case DHD_BUS_DEVRESET_OFF:
bcmerror = dhd_bus_devreset(bus->dhd, (uint8)int_val);
break;
#if !defined(NDIS)
case DHD_BUS_DEVRESET_FLR:
bcmerror = dhd_bus_perform_flr(bus, bus->flr_force_fail);
break;
case DHD_BUS_DEVRESET_FLR_FORCE_FAIL:
bus->flr_force_fail = TRUE;
break;
#ifdef BT_OVER_PCIE
case DHD_BUS_DEVRESET_QUIESCE:
if (bus->dhd->busstate == DHD_BUS_DATA) {
if (bus->dhd->db7_trap.fw_db7w_trap) {
unsigned long flags = 0;
DHD_GENERAL_LOCK(bus->dhd, flags);
bus->dhd->db7_trap.fw_db7w_trap_inprogress = TRUE;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
dhdpcie_fw_trap(bus);
OSL_DELAY(100 * 1000); // wait 100 msec
DHD_GENERAL_LOCK(bus->dhd, flags);
bus->dhd->db7_trap.fw_db7w_trap_inprogress = FALSE;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
} else {
DHD_TRACE(("%s: DB7 Not supported!!!\n",
__FUNCTION__));
}
devreset->status =
dhd_bus_perform_flr_with_quiesce(bus->dhd, bus,
FALSE);
if (devreset->status == BCME_DNGL_DEVRESET) {
devreset->status = BCME_OK;
}
bcmerror = BCME_DNGL_DEVRESET;
} else {
DHD_ERROR(("%s: Bus is NOT up\n", __FUNCTION__));
bcmerror = BCME_NOTUP;
}
break;
#endif /* BT_OVER_PCIE */
#endif /* !defined(NDIS) */
default:
DHD_ERROR(("%s: invalid argument for devreset\n", __FUNCTION__));
break;
}
break;
}
case IOV_SVAL(IOV_FORCE_FW_TRAP):
if (bus->dhd->busstate == DHD_BUS_DATA)
dhdpcie_fw_trap(bus);
else {
DHD_ERROR(("%s: Bus is NOT up\n", __FUNCTION__));
bcmerror = BCME_NOTUP;
}
break;
case IOV_GVAL(IOV_FLOW_PRIO_MAP):
int_val = bus->dhd->flow_prio_map_type;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_FLOW_PRIO_MAP):
int_val = (int32)dhd_update_flow_prio_map(bus->dhd, (uint8)int_val);
bcopy(&int_val, arg, val_size);
break;
#ifdef DHD_PCIE_RUNTIMEPM
case IOV_GVAL(IOV_IDLETIME):
if (!(bus->dhd->op_mode & DHD_FLAG_MFG_MODE)) {
int_val = bus->idletime;
} else {
int_val = 0;
}
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_IDLETIME):
if (int_val < 0) {
bcmerror = BCME_BADARG;
} else {
bus->idletime = int_val;
if (bus->idletime) {
DHD_ENABLE_RUNTIME_PM(bus->dhd);
} else {
DHD_DISABLE_RUNTIME_PM(bus->dhd);
}
}
break;
#endif /* DHD_PCIE_RUNTIMEPM */
case IOV_GVAL(IOV_TXBOUND):
int_val = (int32)dhd_txbound;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_TXBOUND):
dhd_txbound = (uint)int_val;
break;
case IOV_SVAL(IOV_H2D_MAILBOXDATA):
dhdpcie_send_mb_data(bus, (uint)int_val);
break;
case IOV_SVAL(IOV_INFORINGS):
dhd_prot_init_info_rings(bus->dhd);
break;
case IOV_SVAL(IOV_H2D_PHASE):
if (bus->dhd->busstate != DHD_BUS_DOWN) {
DHD_ERROR(("%s: Can change only when bus down (before FW download)\n",
__FUNCTION__));
bcmerror = BCME_NOTDOWN;
break;
}
if (int_val)
bus->dhd->h2d_phase_supported = TRUE;
else
bus->dhd->h2d_phase_supported = FALSE;
break;
case IOV_GVAL(IOV_H2D_PHASE):
int_val = (int32) bus->dhd->h2d_phase_supported;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_H2D_ENABLE_TRAP_BADPHASE):
if (bus->dhd->busstate != DHD_BUS_DOWN) {
DHD_ERROR(("%s: Can change only when bus down (before FW download)\n",
__FUNCTION__));
bcmerror = BCME_NOTDOWN;
break;
}
if (int_val)
bus->dhd->force_dongletrap_on_bad_h2d_phase = TRUE;
else
bus->dhd->force_dongletrap_on_bad_h2d_phase = FALSE;
break;
case IOV_GVAL(IOV_H2D_ENABLE_TRAP_BADPHASE):
int_val = (int32) bus->dhd->force_dongletrap_on_bad_h2d_phase;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_H2D_TXPOST_MAX_ITEM):
if (bus->dhd->busstate != DHD_BUS_DOWN) {
DHD_ERROR(("%s: Can change only when bus down (before FW download)\n",
__FUNCTION__));
bcmerror = BCME_NOTDOWN;
break;
}
dhd_prot_set_h2d_max_txpost(bus->dhd, (uint16)int_val);
break;
case IOV_GVAL(IOV_H2D_TXPOST_MAX_ITEM):
int_val = dhd_prot_get_h2d_max_txpost(bus->dhd);
bcopy(&int_val, arg, val_size);
break;
#if defined(DHD_HTPUT_TUNABLES)
case IOV_SVAL(IOV_H2D_HTPUT_TXPOST_MAX_ITEM):
if (bus->dhd->busstate != DHD_BUS_DOWN) {
DHD_ERROR(("%s: Can change only when bus down (before FW download)\n",
__FUNCTION__));
bcmerror = BCME_NOTDOWN;
break;
}
dhd_prot_set_h2d_htput_max_txpost(bus->dhd, (uint16)int_val);
break;
case IOV_GVAL(IOV_H2D_HTPUT_TXPOST_MAX_ITEM):
int_val = dhd_prot_get_h2d_htput_max_txpost(bus->dhd);
bcopy(&int_val, arg, val_size);
break;
#endif /* DHD_HTPUT_TUNABLES */
case IOV_GVAL(IOV_RXBOUND):
int_val = (int32)dhd_rxbound;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_RXBOUND):
dhd_rxbound = (uint)int_val;
break;
case IOV_GVAL(IOV_TRAPDATA):
{
struct bcmstrbuf dump_b;
bcm_binit(&dump_b, arg, len);
bcmerror = dhd_prot_dump_extended_trap(bus->dhd, &dump_b, FALSE);
break;
}
case IOV_GVAL(IOV_TRAPDATA_RAW):
{
struct bcmstrbuf dump_b;
bcm_binit(&dump_b, arg, len);
bcmerror = dhd_prot_dump_extended_trap(bus->dhd, &dump_b, TRUE);
break;
}
#ifdef DHD_PCIE_REG_ACCESS
case IOV_GVAL(IOV_PCIEASPM): {
uint8 clkreq = 0;
uint32 aspm = 0;
/* this command is to hide the details, but match the lcreg
#define PCIE_CLKREQ_ENAB 0x100
#define PCIE_ASPM_L1_ENAB 2
#define PCIE_ASPM_L0s_ENAB 1
*/
clkreq = dhdpcie_clkreq(bus->dhd->osh, 0, 0);
aspm = dhdpcie_lcreg(bus->dhd->osh, 0, 0);
int_val = ((clkreq & 0x1) << 8) | (aspm & PCIE_ASPM_ENAB);
bcopy(&int_val, arg, val_size);
break;
}
case IOV_SVAL(IOV_PCIEASPM): {
uint32 tmp;
tmp = dhdpcie_lcreg(bus->dhd->osh, 0, 0);
dhdpcie_lcreg(bus->dhd->osh, PCIE_ASPM_ENAB,
(tmp & ~PCIE_ASPM_ENAB) | (int_val & PCIE_ASPM_ENAB));
dhdpcie_clkreq(bus->dhd->osh, 1, ((int_val & 0x100) >> 8));
break;
}
#endif /* DHD_PCIE_REG_ACCESS */
case IOV_SVAL(IOV_HANGREPORT):
bus->dhd->hang_report = bool_val;
DHD_ERROR(("%s: Set hang_report as %d\n",
__FUNCTION__, bus->dhd->hang_report));
break;
case IOV_GVAL(IOV_HANGREPORT):
int_val = (int32)bus->dhd->hang_report;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_CTO_PREVENTION):
bcmerror = dhdpcie_cto_init(bus, bool_val);
break;
case IOV_GVAL(IOV_CTO_PREVENTION):
if (bus->sih->buscorerev < 19) {
bcmerror = BCME_UNSUPPORTED;
break;
}
int_val = (int32)bus->cto_enable;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_CTO_THRESHOLD):
{
if (bus->sih->buscorerev < 19) {
bcmerror = BCME_UNSUPPORTED;
break;
}
bus->cto_threshold = (uint32)int_val;
}
break;
case IOV_GVAL(IOV_CTO_THRESHOLD):
if (bus->sih->buscorerev < 19) {
bcmerror = BCME_UNSUPPORTED;
break;
}
if (bus->cto_threshold) {
int_val = (int32)bus->cto_threshold;
} else {
int_val = pcie_cto_to_thresh_default(bus->sih->buscorerev);
}
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_PCIE_WD_RESET):
if (bool_val) {
/* Legacy chipcommon watchdog reset */
dhdpcie_cc_watchdog_reset(bus);
}
break;
#ifdef DHD_EFI
case IOV_SVAL(IOV_CONTROL_SIGNAL):
{
bcmerror = dhd_control_signal(bus, arg, len, TRUE);
break;
}
case IOV_GVAL(IOV_CONTROL_SIGNAL):
{
bcmerror = dhd_control_signal(bus, params, plen, FALSE);
break;
}
case IOV_GVAL(IOV_WIFI_PROPERTIES):
bcmerror = dhd_wifi_properties(bus, params, plen);
break;
case IOV_GVAL(IOV_OTP_DUMP):
bcmerror = dhd_otp_dump(bus, params, plen);
break;
#if defined(BT_OVER_PCIE) && defined(BTOP_TEST)
case IOV_SVAL(IOV_BTOP_TEST):
bcmerror = dhd_btop_test(bus, arg, len);
break;
#endif /* BT_OVER_PCIE && BTOP_TEST */
#endif /* DHD_EFI */
case IOV_GVAL(IOV_IDMA_ENABLE):
int_val = bus->idma_enabled;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_IDMA_ENABLE):
bus->idma_enabled = (bool)int_val;
break;
case IOV_GVAL(IOV_IFRM_ENABLE):
int_val = bus->ifrm_enabled;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_IFRM_ENABLE):
bus->ifrm_enabled = (bool)int_val;
break;
#ifdef BCMINTERNAL
case IOV_GVAL(IOV_DMA_CHAN):
int_val = bus->dma_chan;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_DMA_CHAN):
{
bus->dma_chan = (bool)int_val;
bus->pcie_mb_intr_addr = si_corereg_addr(bus->sih, bus->sih->buscoreidx,
dhd_bus_db0_addr_get(bus));
break;
}
case IOV_SVAL(IOV_HYBRIDFW):
{
char *fp;
fp = dhd_os_open_image1(bus->dhd, params);
if (fp == NULL) {
bcmerror = BCME_ERROR;
break;
}
bcmerror = dhdpcie_hybridfw_download(bus, fp);
dhd_os_close_image1(bus->dhd, fp);
break;
}
#endif /* BCMINTERNAL */
case IOV_GVAL(IOV_CLEAR_RING):
bcopy(&int_val, arg, val_size);
dhd_flow_rings_flush(bus->dhd, 0);
break;
case IOV_GVAL(IOV_DAR_ENABLE):
int_val = bus->dar_enabled;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_DAR_ENABLE):
bus->dar_enabled = (bool)int_val;
break;
case IOV_GVAL(IOV_HSCBSIZE):
bcmerror = dhd_get_hscb_info(bus->dhd, NULL, (uint32 *)arg);
break;
#ifdef DHD_BUS_MEM_ACCESS
case IOV_GVAL(IOV_HSCBBYTES):
bcmerror = dhd_get_hscb_buff(bus->dhd, int_val, int_val2, (void*)arg);
break;
#endif
#ifdef D2H_MINIDUMP
case IOV_GVAL(IOV_MINIDUMP_OVERRIDE):
int_val = bus->d2h_minidump_override;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_MINIDUMP_OVERRIDE):
/* Can change it only before FW download */
if (bus->dhd->busstate != DHD_BUS_DOWN) {
DHD_ERROR(("%s: Can change only when bus down (before FW download)\n",
__FUNCTION__));
bcmerror = BCME_NOTDOWN;
break;
}
bus->d2h_minidump_override = (bool)int_val;
break;
#endif /* D2H_MINIDUMP */
#ifdef BCMINTERNAL
#ifdef DHD_FWTRACE
case IOV_SVAL(IOV_FWTRACE):
{
DHD_INFO(("%s: set firware tracing enable/disable %d\n",
__FUNCTION__, int_val));
bcmerror = handle_set_fwtrace(bus->dhd, (uint32) int_val);
break;
}
break;
case IOV_GVAL(IOV_FWTRACE):
{
uint32 val = 0, temp_val = 0;
uint16 of_counter, trace_val = 0;
int ret;
ret = dhd_iovar(bus->dhd, 0, "dngl:fwtrace",
NULL, 0, (char *) &val, sizeof(val), FALSE);
if (ret < 0) {
DHD_ERROR(("%s: get dhd_iovar has failed fwtrace, "
"ret=%d\n", __FUNCTION__, ret));
bcmerror = BCME_ERROR;
} else {
of_counter = get_fw_trace_overflow_counter(bus->dhd);
DHD_INFO(("overflow counter = %d \n", of_counter));
trace_val = val & 0xFFFF;
temp_val = (((uint32) temp_val | (uint32) of_counter) << 16u) | trace_val;
bcopy(&temp_val, arg, sizeof(temp_val));
}
break;
}
#endif /* DHD_FWTRACE */
#endif /* BCMINTERNAL */
#ifdef DHD_HP2P
case IOV_SVAL(IOV_HP2P_ENABLE):
dhd_prot_hp2p_enable(bus->dhd, TRUE, int_val);
break;
case IOV_GVAL(IOV_HP2P_ENABLE):
int_val = dhd_prot_hp2p_enable(bus->dhd, FALSE, int_val);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_HP2P_PKT_THRESHOLD):
dhd_prot_pkt_threshold(bus->dhd, TRUE, int_val);
break;
case IOV_GVAL(IOV_HP2P_PKT_THRESHOLD):
int_val = dhd_prot_pkt_threshold(bus->dhd, FALSE, int_val);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_HP2P_TIME_THRESHOLD):
dhd_prot_time_threshold(bus->dhd, TRUE, int_val);
break;
case IOV_GVAL(IOV_HP2P_TIME_THRESHOLD):
int_val = dhd_prot_time_threshold(bus->dhd, FALSE, int_val);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_HP2P_PKT_EXPIRY):
dhd_prot_pkt_expiry(bus->dhd, TRUE, int_val);
break;
case IOV_GVAL(IOV_HP2P_PKT_EXPIRY):
int_val = dhd_prot_pkt_expiry(bus->dhd, FALSE, int_val);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_HP2P_TXCPL_MAXITEMS):
if (bus->dhd->busstate != DHD_BUS_DOWN) {
return BCME_NOTDOWN;
}
dhd_bus_set_hp2p_ring_max_size(bus, TRUE, int_val);
break;
case IOV_GVAL(IOV_HP2P_TXCPL_MAXITEMS):
int_val = dhd_bus_get_hp2p_ring_max_size(bus, TRUE);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_HP2P_RXCPL_MAXITEMS):
if (bus->dhd->busstate != DHD_BUS_DOWN) {
return BCME_NOTDOWN;
}
dhd_bus_set_hp2p_ring_max_size(bus, FALSE, int_val);
break;
case IOV_GVAL(IOV_HP2P_RXCPL_MAXITEMS):
int_val = dhd_bus_get_hp2p_ring_max_size(bus, FALSE);
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_HP2P_MF_ENABLE):
bus->dhd->hp2p_mf_enable = int_val ? TRUE : FALSE;
break;
case IOV_GVAL(IOV_HP2P_MF_ENABLE):
int_val = bus->dhd->hp2p_mf_enable ? 1 : 0;
bcopy(&int_val, arg, val_size);
break;
#endif /* DHD_HP2P */
case IOV_SVAL(IOV_EXTDTXS_IN_TXCPL):
if (bus->dhd->busstate != DHD_BUS_DOWN) {
return BCME_NOTDOWN;
}
if (int_val)
bus->dhd->extdtxs_in_txcpl = TRUE;
else
bus->dhd->extdtxs_in_txcpl = FALSE;
break;
case IOV_GVAL(IOV_EXTDTXS_IN_TXCPL):
int_val = bus->dhd->extdtxs_in_txcpl;
bcopy(&int_val, arg, val_size);
break;
case IOV_SVAL(IOV_HOSTRDY_AFTER_INIT):
if (bus->dhd->busstate != DHD_BUS_DOWN) {
return BCME_NOTDOWN;
}
if (int_val)
bus->dhd->hostrdy_after_init = TRUE;
else
bus->dhd->hostrdy_after_init = FALSE;
break;
case IOV_GVAL(IOV_HOSTRDY_AFTER_INIT):
int_val = bus->dhd->hostrdy_after_init;
bcopy(&int_val, arg, val_size);
break;
#ifdef BCMINTERNAL
case IOV_GVAL(IOV_SBREG_64):
{
sdreg_64_t sdreg;
uint32 addr, size;
bcopy(params, &sdreg, sizeof(sdreg));
addr = sdreg.offset | SI_ENUM_BASE(bus->sih);
size = sdreg.func;
if (serialized_backplane_access_64(bus, addr, size,
&uint64_val, TRUE) != BCME_OK)
{
DHD_ERROR(("Invalid size/addr combination \n"));
bcmerror = BCME_ERROR;
break;
}
bcopy(&uint64_val, arg, size);
break;
}
case IOV_SVAL(IOV_SBREG_64):
{
sdreg_64_t sdreg;
uint32 addr, size;
bcopy(params, &sdreg, sizeof(sdreg));
addr = sdreg.offset | SI_ENUM_BASE(bus->sih);
size = sdreg.func;
if (serialized_backplane_access_64(bus, addr, size,
(uint64 *)(&sdreg.value), FALSE) != BCME_OK) {
DHD_ERROR(("Invalid size/addr combination \n"));
bcmerror = BCME_ERROR;
}
break;
}
#endif /* BCMINTERNAL */
default:
bcmerror = BCME_UNSUPPORTED;
break;
}
exit:
return bcmerror;
} /* dhdpcie_bus_doiovar */
/** Transfers bytes from host to dongle using pio mode */
static int
dhdpcie_bus_lpback_req(struct dhd_bus *bus, uint32 len)
{
if (bus->dhd == NULL) {
DHD_ERROR(("%s: bus not inited\n", __FUNCTION__));
return 0;
}
if (bus->dhd->prot == NULL) {
DHD_ERROR(("%s: prot is not inited\n", __FUNCTION__));
return 0;
}
if (bus->dhd->busstate != DHD_BUS_DATA) {
DHD_ERROR(("%s: not in a readystate to LPBK is not inited\n", __FUNCTION__));
return 0;
}
dhdmsgbuf_lpbk_req(bus->dhd, len);
return 0;
}
void
dhd_bus_dump_dar_registers(struct dhd_bus *bus)
{
uint32 dar_clk_ctrl_val, dar_pwr_ctrl_val, dar_intstat_val,
dar_errlog_val, dar_erraddr_val, dar_pcie_mbint_val;
uint32 dar_clk_ctrl_reg, dar_pwr_ctrl_reg, dar_intstat_reg,
dar_errlog_reg, dar_erraddr_reg, dar_pcie_mbint_reg;
if (bus->is_linkdown) {
DHD_ERROR(("%s: link is down\n", __FUNCTION__));
return;
}
if (bus->sih == NULL) {
DHD_ERROR(("%s: si_attach has not happened, cannot dump DAR registers\n",
__FUNCTION__));
return;
}
if (DAR_PWRREQ(bus)) {
dhd_bus_pcie_pwr_req(bus);
}
dar_clk_ctrl_reg = (uint32)DAR_CLK_CTRL(bus->sih->buscorerev);
dar_pwr_ctrl_reg = (uint32)DAR_PCIE_PWR_CTRL(bus->sih->buscorerev);
dar_intstat_reg = (uint32)DAR_INTSTAT(bus->sih->buscorerev);
dar_errlog_reg = (uint32)DAR_ERRLOG(bus->sih->buscorerev);
dar_erraddr_reg = (uint32)DAR_ERRADDR(bus->sih->buscorerev);
dar_pcie_mbint_reg = (uint32)DAR_PCIMailBoxInt(bus->sih->buscorerev);
if (bus->sih->buscorerev < 24) {
DHD_ERROR(("%s: DAR not supported for corerev(%d) < 24\n",
__FUNCTION__, bus->sih->buscorerev));
return;
}
dar_clk_ctrl_val = si_corereg(bus->sih, bus->sih->buscoreidx, dar_clk_ctrl_reg, 0, 0);
dar_pwr_ctrl_val = si_corereg(bus->sih, bus->sih->buscoreidx, dar_pwr_ctrl_reg, 0, 0);
dar_intstat_val = si_corereg(bus->sih, bus->sih->buscoreidx, dar_intstat_reg, 0, 0);
dar_errlog_val = si_corereg(bus->sih, bus->sih->buscoreidx, dar_errlog_reg, 0, 0);
dar_erraddr_val = si_corereg(bus->sih, bus->sih->buscoreidx, dar_erraddr_reg, 0, 0);
dar_pcie_mbint_val = si_corereg(bus->sih, bus->sih->buscoreidx, dar_pcie_mbint_reg, 0, 0);
DHD_ERROR(("%s: dar_clk_ctrl(0x%x:0x%x) dar_pwr_ctrl(0x%x:0x%x) dar_intstat(0x%x:0x%x)\n",
__FUNCTION__, dar_clk_ctrl_reg, dar_clk_ctrl_val,
dar_pwr_ctrl_reg, dar_pwr_ctrl_val, dar_intstat_reg, dar_intstat_val));
DHD_ERROR(("%s: dar_errlog(0x%x:0x%x) dar_erraddr(0x%x:0x%x) dar_pcie_mbint(0x%x:0x%x)\n",
__FUNCTION__, dar_errlog_reg, dar_errlog_val,
dar_erraddr_reg, dar_erraddr_val, dar_pcie_mbint_reg, dar_pcie_mbint_val));
}
/* Ring DoorBell1 to indicate Hostready i.e. D3 Exit */
void
dhd_bus_hostready(struct dhd_bus *bus)
{
if (!bus->dhd->d2h_hostrdy_supported) {
return;
}
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
DHD_ERROR(("%s : Read PCICMD Reg: 0x%08X\n", __FUNCTION__,
dhd_pcie_config_read(bus, PCI_CFG_CMD, sizeof(uint32))));
dhd_bus_dump_dar_registers(bus);
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(bus, dhd_bus_db1_addr_get(bus), 0x1, TRUE);
#endif /* defined(DHD_MMIO_TRACE) */
si_corereg(bus->sih, bus->sih->buscoreidx, dhd_bus_db1_addr_get(bus), ~0, 0x12345678);
bus->hostready_count ++;
DHD_ERROR(("%s: Ring Hostready:%d\n", __FUNCTION__, bus->hostready_count));
}
/* Clear INTSTATUS */
void
dhdpcie_bus_clear_intstatus(struct dhd_bus *bus)
{
uint32 intstatus = 0;
/* Skip after recieving D3 ACK */
if (DHD_CHK_BUS_LPS_D3_ACKED(bus)) {
return;
}
/* XXX: check for PCIE Gen2 also */
if ((bus->sih->buscorerev == 6) || (bus->sih->buscorerev == 4) ||
(bus->sih->buscorerev == 2)) {
intstatus = dhdpcie_bus_cfg_read_dword(bus, PCIIntstatus, 4);
dhdpcie_bus_cfg_write_dword(bus, PCIIntstatus, 4, intstatus);
} else {
/* this is a PCIE core register..not a config register... */
intstatus = si_corereg(bus->sih, bus->sih->buscoreidx, bus->pcie_mailbox_int, 0, 0);
si_corereg(bus->sih, bus->sih->buscoreidx, bus->pcie_mailbox_int, bus->def_intmask,
intstatus);
}
}
int
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
dhdpcie_bus_suspend(struct dhd_bus *bus, bool state, bool byint)
#else
dhdpcie_bus_suspend(struct dhd_bus *bus, bool state)
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
{
int timeleft;
int rc = 0;
unsigned long flags;
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
int d3_read_retry = 0;
uint32 d2h_mb_data = 0;
uint32 zero = 0;
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
printf("%s: state=%d\n", __FUNCTION__, state);
if (bus->dhd == NULL) {
DHD_ERROR(("%s: bus not inited\n", __FUNCTION__));
return BCME_ERROR;
}
if (bus->dhd->prot == NULL) {
DHD_ERROR(("%s: prot is not inited\n", __FUNCTION__));
return BCME_ERROR;
}
if (dhd_query_bus_erros(bus->dhd)) {
return BCME_ERROR;
}
DHD_GENERAL_LOCK(bus->dhd, flags);
if (!(bus->dhd->busstate == DHD_BUS_DATA || bus->dhd->busstate == DHD_BUS_SUSPEND)) {
DHD_ERROR(("%s: not in a readystate\n", __FUNCTION__));
DHD_GENERAL_UNLOCK(bus->dhd, flags);
return BCME_ERROR;
}
DHD_GENERAL_UNLOCK(bus->dhd, flags);
if (bus->dhd->dongle_reset) {
DHD_ERROR(("Dongle is in reset state.\n"));
return -EIO;
}
/* Check whether we are already in the requested state.
* state=TRUE means Suspend
* state=FALSE meanse Resume
*/
if (state == TRUE && bus->dhd->busstate == DHD_BUS_SUSPEND) {
DHD_ERROR(("Bus is already in SUSPEND state.\n"));
return BCME_OK;
} else if (state == FALSE && bus->dhd->busstate == DHD_BUS_DATA) {
DHD_ERROR(("Bus is already in RESUME state.\n"));
return BCME_OK;
}
if (state) {
#ifdef OEM_ANDROID
int idle_retry = 0;
int active;
#endif /* OEM_ANDROID */
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down, state=%d\n",
__FUNCTION__, state));
return BCME_ERROR;
}
/* Suspend */
DHD_ERROR(("%s: Entering suspend state\n", __FUNCTION__));
bus->dhd->dhd_watchdog_ms_backup = dhd_watchdog_ms;
if (bus->dhd->dhd_watchdog_ms_backup) {
DHD_ERROR(("%s: Disabling wdtick before going to suspend\n",
__FUNCTION__));
dhd_os_wd_timer(bus->dhd, 0);
}
DHD_GENERAL_LOCK(bus->dhd, flags);
#if defined(LINUX) || defined(linux)
if (DHD_BUS_BUSY_CHECK_IN_TX(bus->dhd)) {
DHD_ERROR(("Tx Request is not ended\n"));
bus->dhd->busstate = DHD_BUS_DATA;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
#ifndef DHD_EFI
return -EBUSY;
#else
return BCME_ERROR;
#endif
}
#endif /* LINUX || linux */
bus->last_suspend_start_time = OSL_LOCALTIME_NS();
/* stop all interface network queue. */
dhd_bus_stop_queue(bus);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
if (byint) {
DHD_OS_WAKE_LOCK_WAIVE(bus->dhd);
/* Clear wait_for_d3_ack before sending D3_INFORM */
bus->wait_for_d3_ack = 0;
dhdpcie_send_mb_data(bus, H2D_HOST_D3_INFORM);
timeleft = dhd_os_d3ack_wait(bus->dhd, &bus->wait_for_d3_ack);
DHD_OS_WAKE_LOCK_RESTORE(bus->dhd);
} else {
/* Clear wait_for_d3_ack before sending D3_INFORM */
bus->wait_for_d3_ack = 0;
dhdpcie_send_mb_data(bus, H2D_HOST_D3_INFORM | H2D_HOST_ACK_NOINT);
while (!bus->wait_for_d3_ack && d3_read_retry < MAX_D3_ACK_TIMEOUT) {
dhdpcie_handle_mb_data(bus);
usleep_range(1000, 1500);
d3_read_retry++;
}
}
#else
DHD_OS_WAKE_LOCK_WAIVE(bus->dhd);
#ifdef DHD_TIMESYNC
/* disable time sync mechanism, if configed */
dhd_timesync_control(bus->dhd, TRUE);
#endif /* DHD_TIMESYNC */
#ifdef PCIE_INB_DW
/* As D3_INFORM will be sent after De-assert,
* skip sending DS-ACK for DS-REQ.
*/
bus->skip_ds_ack = TRUE;
#endif /* PCIE_INB_DW */
#if defined(PCIE_OOB) || defined(PCIE_INB_DW)
dhd_bus_set_device_wake(bus, TRUE);
#endif /* defined(PCIE_OOB) || defined(PCIE_INB_DW) */
#ifdef PCIE_OOB
bus->oob_presuspend = TRUE;
#endif
#ifdef PCIE_INB_DW
/* De-assert at this point for In-band device_wake */
if (INBAND_DW_ENAB(bus)) {
#ifdef DHD_EFI
/* during pcie suspend, irrespective of 'deep_sleep' enabled
* or disabled, always de-assert DW. If 'deep_sleep' was disabled
* by user iovar, then upon resuming, DW is again asserted in the
* 'dhd_bus_handle_mb_data' path.
*/
dhd_bus_inb_set_device_wake(bus, FALSE);
#else
dhd_bus_set_device_wake(bus, FALSE);
#endif /* DHD_EFI */
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
dhdpcie_bus_set_pcie_inband_dw_state(bus, DW_DEVICE_HOST_SLEEP_WAIT);
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
}
#endif /* PCIE_INB_DW */
/* Clear wait_for_d3_ack before sending D3_INFORM */
bus->wait_for_d3_ack = 0;
/*
* Send H2D_HOST_D3_INFORM to dongle and mark bus->bus_low_power_state
* to DHD_BUS_D3_INFORM_SENT in dhd_prot_ring_write_complete_mbdata
* inside atomic context, so that no more DBs will be
* rung after sending D3_INFORM
*/
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
dhdpcie_send_mb_data(bus, H2D_HOST_D3_INFORM);
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
} else
#endif /* PCIE_INB_DW */
{
dhdpcie_send_mb_data(bus, H2D_HOST_D3_INFORM);
}
/* Wait for D3 ACK for D3_ACK_RESP_TIMEOUT seconds */
timeleft = dhd_os_d3ack_wait(bus->dhd, &bus->wait_for_d3_ack);
#ifdef DHD_RECOVER_TIMEOUT
/* XXX: WAR for missing D3 ACK MB interrupt */
if (bus->wait_for_d3_ack == 0) {
/* If wait_for_d3_ack was not updated because D2H MB was not received */
uint32 intstatus = si_corereg(bus->sih, bus->sih->buscoreidx,
bus->pcie_mailbox_int, 0, 0);
int host_irq_disabled = dhdpcie_irq_disabled(bus);
if ((intstatus) && (intstatus != (uint32)-1) &&
(timeleft == 0) && (!dhd_query_bus_erros(bus->dhd))) {
DHD_ERROR(("%s: D3 ACK trying again intstatus=%x"
" host_irq_disabled=%d\n",
__FUNCTION__, intstatus, host_irq_disabled));
dhd_pcie_intr_count_dump(bus->dhd);
dhd_print_tasklet_status(bus->dhd);
if (bus->api.fw_rev >= PCIE_SHARED_VERSION_6 &&
!bus->use_mailbox) {
dhd_prot_process_ctrlbuf(bus->dhd);
} else {
dhdpcie_handle_mb_data(bus);
}
timeleft = dhd_os_d3ack_wait(bus->dhd, &bus->wait_for_d3_ack);
/* Clear Interrupts */
dhdpcie_bus_clear_intstatus(bus);
}
} /* bus->wait_for_d3_ack was 0 */
#endif /* DHD_RECOVER_TIMEOUT */
DHD_OS_WAKE_LOCK_RESTORE(bus->dhd);
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
#ifdef OEM_ANDROID
/* To allow threads that got pre-empted to complete.
*/
while ((active = dhd_os_check_wakelock_all(bus->dhd)) &&
(idle_retry < MAX_WKLK_IDLE_CHECK)) {
OSL_SLEEP(1);
idle_retry++;
}
#endif /* OEM_ANDROID */
if (bus->wait_for_d3_ack) {
DHD_ERROR(("%s: Got D3 Ack \n", __FUNCTION__));
/* Got D3 Ack. Suspend the bus */
#ifdef OEM_ANDROID
if (active) {
DHD_ERROR(("%s():Suspend failed because of wakelock"
"restoring Dongle to D0\n", __FUNCTION__));
if (bus->dhd->dhd_watchdog_ms_backup) {
DHD_ERROR(("%s: Enabling wdtick due to wakelock active\n",
__FUNCTION__));
dhd_os_wd_timer(bus->dhd,
bus->dhd->dhd_watchdog_ms_backup);
}
/*
* Dongle still thinks that it has to be in D3 state until
* it gets a D0 Inform, but we are backing off from suspend.
* Ensure that Dongle is brought back to D0.
*
* Bringing back Dongle from D3 Ack state to D0 state is a
* 2 step process. Dongle would want to know that D0 Inform
* would be sent as a MB interrupt to bring it out of D3 Ack
* state to D0 state. So we have to send both this message.
*/
/* Clear wait_for_d3_ack to send D0_INFORM or host_ready */
bus->wait_for_d3_ack = 0;
DHD_SET_BUS_NOT_IN_LPS(bus);
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
/* Since suspend has failed due to wakelock is held,
* update the DS state to DW_DEVICE_HOST_WAKE_WAIT.
* So that host sends the DS-ACK for DS-REQ.
*/
DHD_ERROR(("Suspend failed due to wakelock is held, "
"set inband dw state to DW_DEVICE_HOST_WAKE_WAIT\n"));
dhdpcie_bus_set_pcie_inband_dw_state(bus,
DW_DEVICE_HOST_WAKE_WAIT);
dhd_bus_ds_trace(bus, 0, TRUE,
dhdpcie_bus_get_pcie_inband_dw_state(bus));
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
}
bus->skip_ds_ack = FALSE;
#endif /* PCIE_INB_DW */
/* For Linux, Macos etc (otherthan NDIS) enable back the dongle
* interrupts using intmask and host interrupts
* which were disabled in the dhdpcie_bus_isr()->
* dhd_bus_handle_d3_ack().
*/
/* Enable back interrupt using Intmask!! */
dhdpcie_bus_intr_enable(bus);
#ifndef NDIS /* !NDIS */
/* Defer enabling host irq after RPM suspend failure */
if (!DHD_BUS_BUSY_CHECK_RPM_SUSPEND_IN_PROGRESS(bus->dhd)) {
/* Enable back interrupt from Host side!! */
if (dhdpcie_irq_disabled(bus)) {
dhdpcie_enable_irq(bus);
bus->resume_intr_enable_count++;
}
}
#else
/* Enable back the intmask which was cleared in DPC
* after getting D3_ACK.
*/
bus->resume_intr_enable_count++;
#endif /* !NDIS */
if (bus->use_d0_inform) {
DHD_OS_WAKE_LOCK_WAIVE(bus->dhd);
dhdpcie_send_mb_data(bus,
(H2D_HOST_D0_INFORM_IN_USE | H2D_HOST_D0_INFORM));
DHD_OS_WAKE_LOCK_RESTORE(bus->dhd);
}
/* ring doorbell 1 (hostready) */
dhd_bus_hostready(bus);
DHD_GENERAL_LOCK(bus->dhd, flags);
bus->dhd->busstate = DHD_BUS_DATA;
/* resume all interface network queue. */
dhd_bus_start_queue(bus);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
rc = BCME_ERROR;
} else {
/* Actual Suspend after no wakelock */
#endif /* OEM_ANDROID */
/* At this time bus->bus_low_power_state will be
* made to DHD_BUS_D3_ACK_RECIEVED after recieving D3_ACK
* in dhd_bus_handle_d3_ack()
*/
#ifdef PCIE_OOB
bus->oob_presuspend = FALSE;
if (OOB_DW_ENAB(bus)) {
dhd_bus_set_device_wake(bus, FALSE);
}
#endif
#ifdef PCIE_OOB
bus->oob_presuspend = TRUE;
#endif
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
if (dhdpcie_bus_get_pcie_inband_dw_state(bus) ==
DW_DEVICE_HOST_SLEEP_WAIT) {
dhdpcie_bus_set_pcie_inband_dw_state(bus,
DW_DEVICE_HOST_SLEEP);
#ifdef PCIE_INB_DW
dhd_bus_ds_trace(bus, 0, TRUE,
dhdpcie_bus_get_pcie_inband_dw_state(bus));
#else
dhd_bus_ds_trace(bus, 0, TRUE);
#endif /* PCIE_INB_DW */
}
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
}
#endif /* PCIE_INB_DW */
if (bus->use_d0_inform &&
(bus->api.fw_rev < PCIE_SHARED_VERSION_6)) {
DHD_OS_WAKE_LOCK_WAIVE(bus->dhd);
dhdpcie_send_mb_data(bus, (H2D_HOST_D0_INFORM_IN_USE));
DHD_OS_WAKE_LOCK_RESTORE(bus->dhd);
}
#ifdef PCIE_OOB
dhd_bus_set_device_wake(bus, FALSE);
#endif /* PCIE_OOB */
#if defined(BCMPCIE_OOB_HOST_WAKE)
if (bus->dhd->dhd_induce_error == DHD_INDUCE_DROP_OOB_IRQ) {
DHD_ERROR(("%s: Inducing DROP OOB IRQ\n", __FUNCTION__));
} else {
dhdpcie_oob_intr_set(bus, TRUE);
}
#endif /* BCMPCIE_OOB_HOST_WAKE */
DHD_GENERAL_LOCK(bus->dhd, flags);
/* The Host cannot process interrupts now so disable the same.
* No need to disable the dongle INTR using intmask, as we are
* already calling disabling INTRs from DPC context after
* getting D3_ACK in dhd_bus_handle_d3_ack.
* Code may not look symmetric between Suspend and
* Resume paths but this is done to close down the timing window
* between DPC and suspend context and bus->bus_low_power_state
* will be set to DHD_BUS_D3_ACK_RECIEVED in DPC.
*/
bus->dhd->d3ackcnt_timeout = 0;
bus->dhd->busstate = DHD_BUS_SUSPEND;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
#if defined(LINUX) || defined(linux)
dhdpcie_dump_resource(bus);
#endif /* LINUX || linux */
rc = dhdpcie_pci_suspend_resume(bus, state);
if (!rc) {
bus->last_suspend_end_time = OSL_LOCALTIME_NS();
}
#ifdef OEM_ANDROID
}
#endif /* OEM_ANDROID */
} else if (timeleft == 0) { /* D3 ACK Timeout */
#ifdef DHD_FW_COREDUMP
uint32 cur_memdump_mode = bus->dhd->memdump_enabled;
#endif /* DHD_FW_COREDUMP */
/* check if the D3 ACK timeout due to scheduling issue */
bus->dhd->is_sched_error = !dhd_query_bus_erros(bus->dhd) &&
dhd_bus_query_dpc_sched_errors(bus->dhd);
bus->dhd->d3ack_timeout_occured = TRUE;
/* If the D3 Ack has timeout */
bus->dhd->d3ackcnt_timeout++;
DHD_ERROR(("%s: resumed on timeout for D3 ACK%s d3_inform_cnt %d\n",
__FUNCTION__, bus->dhd->is_sched_error ?
" due to scheduling problem" : "", bus->dhd->d3ackcnt_timeout));
#if defined(DHD_KERNEL_SCHED_DEBUG) && defined(DHD_FW_COREDUMP)
/* XXX DHD triggers Kernel panic if the resumed on timeout occurrs
* due to tasklet or workqueue scheduling problems in the Linux Kernel.
* Customer informs that it is hard to find any clue from the
* host memory dump since the important tasklet or workqueue information
* is already disappered due the latency while printing out the timestamp
* logs for debugging scan timeout issue.
* For this reason, customer requestes us to trigger Kernel Panic rather
* than taking a SOCRAM dump.
*/
if (bus->dhd->is_sched_error && cur_memdump_mode == DUMP_MEMFILE_BUGON) {
/* change g_assert_type to trigger Kernel panic */
g_assert_type = 2;
/* use ASSERT() to trigger panic */
ASSERT(0);
}
#endif /* DHD_KERNEL_SCHED_DEBUG && DHD_FW_COREDUMP */
DHD_SET_BUS_NOT_IN_LPS(bus);
DHD_GENERAL_LOCK(bus->dhd, flags);
bus->dhd->busstate = DHD_BUS_DATA;
/* resume all interface network queue. */
dhd_bus_start_queue(bus);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
/* XXX : avoid multiple socram dump from dongle trap and
* invalid PCIe bus assceess due to PCIe link down
*/
if (bus->dhd->check_trap_rot) {
DHD_ERROR(("Check dongle trap in the case of d3 ack timeout\n"));
dhdpcie_checkdied(bus, NULL, 0);
}
if (bus->dhd->dongle_trap_occured) {
#ifdef OEM_ANDROID
#ifdef SUPPORT_LINKDOWN_RECOVERY
#ifdef CONFIG_ARCH_MSM
bus->no_cfg_restore = 1;
#endif /* CONFIG_ARCH_MSM */
#endif /* SUPPORT_LINKDOWN_RECOVERY */
dhd_os_check_hang(bus->dhd, 0, -EREMOTEIO);
#endif /* OEM_ANDROID */
} else if (!bus->is_linkdown &&
!bus->cto_triggered) {
uint32 intstatus = 0;
/* Check if PCIe bus status is valid */
intstatus = si_corereg(bus->sih, bus->sih->buscoreidx,
bus->pcie_mailbox_int, 0, 0);
if (intstatus == (uint32)-1) {
/* Invalidate PCIe bus status */
bus->is_linkdown = 1;
}
dhd_bus_dump_console_buffer(bus);
dhd_prot_debug_info_print(bus->dhd);
#ifdef DHD_FW_COREDUMP
if (cur_memdump_mode) {
/* write core dump to file */
bus->dhd->memdump_type = DUMP_TYPE_D3_ACK_TIMEOUT;
dhdpcie_mem_dump(bus);
}
#endif /* DHD_FW_COREDUMP */
#ifdef NDIS
/* ASSERT only if hang detection/recovery is disabled.
* If enabled then let
* windows HDR mechansim trigger FW download via surprise removal
*/
dhd_bus_check_died(bus);
#endif
#ifdef OEM_ANDROID
DHD_ERROR(("%s: Event HANG send up due to D3_ACK timeout\n",
__FUNCTION__));
#ifdef SUPPORT_LINKDOWN_RECOVERY
#ifdef CONFIG_ARCH_MSM
bus->no_cfg_restore = 1;
#endif /* CONFIG_ARCH_MSM */
#endif /* SUPPORT_LINKDOWN_RECOVERY */
dhd_os_check_hang(bus->dhd, 0, -ETIMEDOUT);
#endif /* OEM_ANDROID */
}
#if defined(DHD_ERPOM) || (defined(DHD_EFI) && defined(BT_OVER_PCIE))
dhd_schedule_reset(bus->dhd);
#endif /* DHD_ERPOM || DHD_EFI */
rc = -ETIMEDOUT;
}
#ifdef PCIE_OOB
bus->oob_presuspend = FALSE;
#endif /* PCIE_OOB */
} else {
/* Resume */
DHD_ERROR(("%s: Entering resume state\n", __FUNCTION__));
bus->last_resume_start_time = OSL_LOCALTIME_NS();
/**
* PCIE2_BAR0_CORE2_WIN gets reset after D3 cold.
* si_backplane_access(function to read/write backplane)
* updates the window(PCIE2_BAR0_CORE2_WIN) only if
* window being accessed is different form the window
* being pointed by second_bar0win.
* Since PCIE2_BAR0_CORE2_WIN is already reset because of D3 cold,
* invalidating second_bar0win after resume updates
* PCIE2_BAR0_CORE2_WIN with right window.
*/
si_invalidate_second_bar0win(bus->sih);
#if defined(linux) && defined(OEM_ANDROID)
#if defined(BCMPCIE_OOB_HOST_WAKE)
DHD_OS_OOB_IRQ_WAKE_UNLOCK(bus->dhd);
#endif /* BCMPCIE_OOB_HOST_WAKE */
#endif /* linux && OEM_ANDROID */
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
if (dhdpcie_bus_get_pcie_inband_dw_state(bus) == DW_DEVICE_HOST_SLEEP) {
dhdpcie_bus_set_pcie_inband_dw_state(bus, DW_DEVICE_HOST_WAKE_WAIT);
#ifdef PCIE_INB_DW
dhd_bus_ds_trace(bus, 0, TRUE,
dhdpcie_bus_get_pcie_inband_dw_state(bus));
#else
dhd_bus_ds_trace(bus, 0, TRUE);
#endif /* PCIE_INB_DW */
}
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
}
bus->skip_ds_ack = FALSE;
#endif /* PCIE_INB_DW */
rc = dhdpcie_pci_suspend_resume(bus, state);
#if defined(LINUX) || defined(linux)
dhdpcie_dump_resource(bus);
#endif /* LINUX || linux */
/* set bus_low_power_state to DHD_BUS_NO_LOW_POWER_STATE */
DHD_SET_BUS_NOT_IN_LPS(bus);
if (!rc && bus->dhd->busstate == DHD_BUS_SUSPEND) {
if (bus->use_d0_inform) {
DHD_OS_WAKE_LOCK_WAIVE(bus->dhd);
dhdpcie_send_mb_data(bus, (H2D_HOST_D0_INFORM));
DHD_OS_WAKE_LOCK_RESTORE(bus->dhd);
}
/* ring doorbell 1 (hostready) */
dhd_bus_hostready(bus);
}
DHD_GENERAL_LOCK(bus->dhd, flags);
bus->dhd->busstate = DHD_BUS_DATA;
#ifdef DHD_PCIE_RUNTIMEPM
if (DHD_BUS_BUSY_CHECK_RPM_SUSPEND_DONE(bus->dhd)) {
bus->bus_wake = 1;
OSL_SMP_WMB();
wake_up(&bus->rpm_queue);
}
#endif /* DHD_PCIE_RUNTIMEPM */
#ifdef PCIE_OOB
/*
* Assert & Deassert the Device Wake. The following is the explanation for doing so.
* 0) At this point,
* Host is in suspend state, Link is in L2/L3, Dongle is in D3 Cold
* Device Wake is enabled.
* 1) When the Host comes out of Suspend, it first sends PERST# in the Link.
* Looking at this the Dongle moves from D3 Cold to NO DS State
* 2) Now The Host OS calls the "resume" function of DHD. From here the DHD first
* Asserts the Device Wake.
* From the defn, when the Device Wake is asserted, The dongle FW will ensure
* that the Dongle is out of deep sleep IF the device is already in deep sleep.
* But note that now the Dongle is NOT in Deep sleep and is actually in
* NO DS state. So just driving the Device Wake high does not trigger any state
* transitions. The Host should actually "Toggle" the Device Wake to ensure
* that Dongle synchronizes with the Host and starts the State Transition to D0.
* 4) Note that the above explanation is applicable Only when the Host comes out of
* suspend and the Dongle comes out of D3 Cold
*/
/* This logic is not required when hostready is enabled */
if (!bus->dhd->d2h_hostrdy_supported) {
dhd_bus_set_device_wake(bus, TRUE);
OSL_DELAY(1000);
dhd_bus_set_device_wake(bus, FALSE);
}
#endif /* PCIE_OOB */
/* resume all interface network queue. */
dhd_bus_start_queue(bus);
/* For Linux, Macos etc (otherthan NDIS) enable back the dongle interrupts
* using intmask and host interrupts
* which were disabled in the dhdpcie_bus_isr()->dhd_bus_handle_d3_ack().
*/
dhdpcie_bus_intr_enable(bus); /* Enable back interrupt using Intmask!! */
#ifndef NDIS /* !NDIS */
/* Defer enabling host interrupt until RPM resume done */
if (!DHD_BUS_BUSY_CHECK_RPM_RESUME_IN_PROGRESS(bus->dhd)) {
if (dhdpcie_irq_disabled(bus)) {
dhdpcie_enable_irq(bus);
bus->resume_intr_enable_count++;
}
}
#else
/* TODO: for NDIS also we need to use enable_irq in future */
bus->resume_intr_enable_count++;
#endif /* !NDIS */
DHD_GENERAL_UNLOCK(bus->dhd, flags);
#ifdef DHD_TIMESYNC
/* enable time sync mechanism, if configed */
DHD_OS_WAKE_LOCK_WAIVE(bus->dhd);
dhd_timesync_control(bus->dhd, FALSE);
DHD_OS_WAKE_LOCK_RESTORE(bus->dhd);
#endif /* DHD_TIMESYNC */
if (bus->dhd->dhd_watchdog_ms_backup) {
DHD_ERROR(("%s: Enabling wdtick after resume\n",
__FUNCTION__));
dhd_os_wd_timer(bus->dhd, bus->dhd->dhd_watchdog_ms_backup);
}
bus->last_resume_end_time = OSL_LOCALTIME_NS();
/* Update TCM rd index for EDL ring */
DHD_EDL_RING_TCM_RD_UPDATE(bus->dhd);
}
return rc;
}
#define BUS_SUSPEND TRUE
#define BUS_RESUME FALSE
int dhd_bus_suspend(dhd_pub_t *dhd)
{
int ret;
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
/* TODO: Check whether the arguments are correct */
ret = dhdpcie_bus_suspend(dhd->bus, TRUE, BUS_SUSPEND);
#else
ret = dhdpcie_bus_suspend(dhd->bus, BUS_SUSPEND);
#endif
return ret;
}
int dhd_bus_resume(dhd_pub_t *dhd, int stage)
{
int ret;
BCM_REFERENCE(stage);
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
/* TODO: Check whether the arguments are correct */
ret = dhdpcie_bus_suspend(dhd->bus, FALSE, BUS_RESUME);
#else
ret = dhdpcie_bus_suspend(dhd->bus, BUS_RESUME);
#endif
return ret;
}
uint32
dhdpcie_force_alp(struct dhd_bus *bus, bool enable)
{
ASSERT(bus && bus->sih);
if (enable) {
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, u.pcie2.clk_ctl_st), CCS_FORCEALP, CCS_FORCEALP);
} else {
si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, u.pcie2.clk_ctl_st), CCS_FORCEALP, 0);
}
return 0;
}
/* set pcie l1 entry time: dhd pciereg 0x1004[22:16] */
uint32
dhdpcie_set_l1_entry_time(struct dhd_bus *bus, int l1_entry_time)
{
uint reg_val;
ASSERT(bus && bus->sih);
si_corereg(bus->sih, bus->sih->buscoreidx, OFFSETOF(sbpcieregs_t, configaddr), ~0,
0x1004);
reg_val = si_corereg(bus->sih, bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, configdata), 0, 0);
reg_val = (reg_val & ~(0x7f << 16)) | ((l1_entry_time & 0x7f) << 16);
si_corereg(bus->sih, bus->sih->buscoreidx, OFFSETOF(sbpcieregs_t, configdata), ~0,
reg_val);
return 0;
}
static uint32
dhd_apply_d11_war_length(struct dhd_bus *bus, uint32 len, uint32 d11_lpbk)
{
uint16 chipid = si_chipid(bus->sih);
/*
* XXX: WAR for CRWLDOT11M-3011
* program the DMA descriptor Buffer length as the expected frame length
* + 8 bytes extra for corerev 82 when buffer length % 128 is equal to 4
*/
if ((chipid == BCM4375_CHIP_ID ||
chipid == BCM4362_CHIP_ID ||
chipid == BCM4377_CHIP_ID ||
chipid == BCM43751_CHIP_ID ||
chipid == BCM43752_CHIP_ID) &&
(d11_lpbk != M2M_DMA_LPBK && d11_lpbk != M2M_NON_DMA_LPBK)) {
len += 8;
}
DHD_ERROR(("%s: len %d\n", __FUNCTION__, len));
return len;
}
/** Transfers bytes from host to dongle and to host again using DMA */
static int
dhdpcie_bus_dmaxfer_req(struct dhd_bus *bus,
uint32 len, uint32 srcdelay, uint32 destdelay,
uint32 d11_lpbk, uint32 core_num, uint32 wait,
uint32 mem_addr)
{
int ret = 0;
if (bus->dhd == NULL) {
DHD_ERROR(("%s: bus not inited\n", __FUNCTION__));
return BCME_ERROR;
}
if (bus->dhd->prot == NULL) {
DHD_ERROR(("%s: prot is not inited\n", __FUNCTION__));
return BCME_ERROR;
}
if (bus->dhd->busstate != DHD_BUS_DATA) {
DHD_ERROR(("%s: not in a readystate to LPBK is not inited\n", __FUNCTION__));
return BCME_ERROR;
}
if (len < 5 || len > 4194296) {
DHD_ERROR(("%s: len is too small or too large\n", __FUNCTION__));
return BCME_ERROR;
}
#if defined(DHD_EFI) && defined(DHD_INTR_POLL_PERIOD_DYNAMIC)
bus->dhd->cur_intr_poll_period = dhd_os_get_intr_poll_period();
/* before running loopback test, set interrupt poll period to a lesser value */
dhd_os_set_intr_poll_period(bus, INTR_POLL_PERIOD_CRITICAL);
#endif /* DHD_EFI && DHD_INTR_POLL_PERIOD_DYNAMIC */
len = dhd_apply_d11_war_length(bus, len, d11_lpbk);
bus->dmaxfer_complete = FALSE;
ret = dhdmsgbuf_dmaxfer_req(bus->dhd, len, srcdelay, destdelay,
d11_lpbk, core_num, mem_addr);
if (ret != BCME_OK || !wait) {
DHD_INFO(("%s: dmaxfer req returns status %u; wait = %u\n", __FUNCTION__,
ret, wait));
} else {
ret = dhd_os_dmaxfer_wait(bus->dhd, &bus->dmaxfer_complete);
if (ret < 0)
ret = BCME_NOTREADY;
#if defined(DHD_EFI) && defined(DHD_INTR_POLL_PERIOD_DYNAMIC)
/* restore interrupt poll period to the previous existing value */
dhd_os_set_intr_poll_period(bus, bus->dhd->cur_intr_poll_period);
#endif /* DHD_EFI && DHD_INTR_POLL_PERIOD_DYNAMIC */
}
return ret;
}
#ifdef BCMINTERNAL
static int
dhdpcie_bus_set_tx_lpback(struct dhd_bus *bus, bool enable)
{
if (bus->dhd == NULL) {
DHD_ERROR(("bus not inited\n"));
return BCME_ERROR;
}
if (bus->dhd->prot == NULL) {
DHD_ERROR(("prot is not inited\n"));
return BCME_ERROR;
}
if (bus->dhd->busstate != DHD_BUS_DATA) {
DHD_ERROR(("not in a readystate to LPBK is not inited\n"));
return BCME_ERROR;
}
bus->dhd->loopback = enable;
return BCME_OK;
}
static int
dhdpcie_bus_get_tx_lpback(struct dhd_bus *bus)
{
if (bus->dhd == NULL) {
DHD_ERROR(("bus not inited\n"));
return BCME_ERROR;
}
return bus->dhd->loopback ? 1 : 0;
return BCME_OK;
}
#endif /* BCMINTERNAL */
bool
dhd_bus_is_multibp_capable(struct dhd_bus *bus)
{
return MULTIBP_CAP(bus->sih);
}
#define PCIE_REV_FOR_4378A0 66 /* dhd_bus_perform_flr_with_quiesce() causes problems */
#define PCIE_REV_FOR_4378B0 68
static int
dhdpcie_bus_download_state(dhd_bus_t *bus, bool enter)
{
int bcmerror = 0;
volatile uint32 *cr4_regs;
bool do_flr;
bool do_wr_flops = TRUE;
if (!bus->sih) {
DHD_ERROR(("%s: NULL sih!!\n", __FUNCTION__));
return BCME_ERROR;
}
do_flr = ((bus->sih->buscorerev != PCIE_REV_FOR_4378A0) &&
(bus->sih->buscorerev != PCIE_REV_FOR_4378B0));
/*
* Jira SWWLAN-214966: 4378B0 BToverPCIe: fails to download firmware
* with "insmod dhd.ko firmware_path=rtecdc.bin nvram_path=nvram.txt" format
* CTO is seen during autoload case.
* Need to assert PD1 power req during ARM out of reset.
* And doing FLR after this would conflict as FLR resets PCIe enum space.
*/
if (MULTIBP_ENAB(bus->sih) && !do_flr) {
dhd_bus_pcie_pwr_req(bus);
}
/* To enter download state, disable ARM and reset SOCRAM.
* To exit download state, simply reset ARM (default is RAM boot).
*/
if (enter) {
#ifndef BCMQT /* for performance reasons, skip the FLR for QT */
#ifdef BT_OVER_PCIE
if (dhd_bus_is_multibp_capable(bus) && do_flr &&
dhd_fw_download_status(bus->dhd) != FW_DOWNLOAD_IN_PROGRESS) {
/* for multi-backplane architecture, issue an FLR to reset the WLAN cores */
const int pwr_req_ref = bus->pwr_req_ref;
if (pwr_req_ref > 0) {
(void)dhd_bus_perform_flr_with_quiesce(bus->dhd, bus, FALSE);
/*
* If power has been requested prior to calling FLR, but
* the FLR code cleared the power request, we need to
* request again to get back to the status of where we were
* prior, otherwise there'll be a mismatch in reqs/clears
*/
if (bus->pwr_req_ref < pwr_req_ref) {
dhd_bus_pcie_pwr_req(bus);
}
} else {
(void)dhd_bus_perform_flr_with_quiesce(bus->dhd, bus, FALSE);
}
}
#endif /* BT_OVER_PCIE */
#endif /* !BCMQT */
/* Make sure BAR1 maps to backplane address 0 */
dhdpcie_setbar1win(bus, 0x00000000);
bus->alp_only = TRUE;
#ifdef GDB_PROXY
bus->gdb_proxy_access_enabled = TRUE;
bus->gdb_proxy_bootloader_mode = FALSE;
#endif /* GDB_PROXY */
/* some chips (e.g. 43602) have two ARM cores, the CR4 is receives the firmware. */
cr4_regs = si_setcore(bus->sih, ARMCR4_CORE_ID, 0);
if (cr4_regs == NULL && !(si_setcore(bus->sih, ARM7S_CORE_ID, 0)) &&
!(si_setcore(bus->sih, ARMCM3_CORE_ID, 0)) &&
!(si_setcore(bus->sih, ARMCA7_CORE_ID, 0))) {
DHD_ERROR(("%s: Failed to find ARM core!\n", __FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
if (si_setcore(bus->sih, ARMCA7_CORE_ID, 0)) {
/* Halt ARM & remove reset */
si_core_reset(bus->sih, SICF_CPUHALT, SICF_CPUHALT);
if (!(si_setcore(bus->sih, SYSMEM_CORE_ID, 0))) {
DHD_ERROR(("%s: Failed to find SYSMEM core!\n", __FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
si_core_reset(bus->sih, 0, 0);
/* reset last 4 bytes of RAM address. to be used for shared area */
dhdpcie_init_shared_addr(bus);
} else if (cr4_regs == NULL) { /* no CR4 present on chip */
si_core_disable(bus->sih, 0);
if (!(si_setcore(bus->sih, SOCRAM_CORE_ID, 0))) {
DHD_ERROR(("%s: Failed to find SOCRAM core!\n", __FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
si_core_reset(bus->sih, 0, 0);
/* Clear the top bit of memory */
if (bus->ramsize) {
uint32 zeros = 0;
if (dhdpcie_bus_membytes(bus, TRUE, bus->ramsize - 4,
(uint8*)&zeros, 4) < 0) {
bcmerror = BCME_ERROR;
goto fail;
}
}
} else {
/* For CR4,
* Halt ARM
* Remove ARM reset
* Read RAM base address [0x18_0000]
* [next] Download firmware
* [done at else] Populate the reset vector
* [done at else] Remove ARM halt
*/
/* Halt ARM & remove reset */
si_core_reset(bus->sih, SICF_CPUHALT, SICF_CPUHALT);
if (BCM43602_CHIP(bus->sih->chip)) {
/* XXX CRWLARMCR4-53 43602a0 HW bug when banks are powered down */
W_REG(bus->pcie_mb_intr_osh, cr4_regs + ARMCR4REG_BANKIDX, 5);
W_REG(bus->pcie_mb_intr_osh, cr4_regs + ARMCR4REG_BANKPDA, 0);
W_REG(bus->pcie_mb_intr_osh, cr4_regs + ARMCR4REG_BANKIDX, 7);
W_REG(bus->pcie_mb_intr_osh, cr4_regs + ARMCR4REG_BANKPDA, 0);
}
/* reset last 4 bytes of RAM address. to be used for shared area */
dhdpcie_init_shared_addr(bus);
}
} else {
if (si_setcore(bus->sih, ARMCA7_CORE_ID, 0)) {
/* write vars */
if ((bcmerror = dhdpcie_bus_write_vars(bus))) {
DHD_ERROR(("%s: could not write vars to RAM\n", __FUNCTION__));
goto fail;
}
/* write random numbers to sysmem for the purpose of
* randomizing heap address space.
*/
if ((bcmerror = dhdpcie_wrt_rnd(bus)) != BCME_OK) {
DHD_ERROR(("%s: Failed to get random seed to write to TCM !\n",
__FUNCTION__));
goto fail;
}
#ifdef BCMINTERNAL
if (bus->hostfw_buf.va) {
/* Share the location of the host memory
* location where pageable FW binary is located.
*/
host_page_location_info_t host_location;
host_location.tlv_signature =
htol32(BCM_HOST_PAGE_LOCATION_SIGNATURE);
host_location.tlv_size = htol32(sizeof(host_location)) -
sizeof(host_location.tlv_size) -
sizeof(host_location.tlv_signature);
host_location.binary_size = htol32(bus->hostfw_buf.len);
host_location.addr_hi = PHYSADDRHI(bus->hostfw_buf.pa);
host_location.addr_lo = PHYSADDRLO(bus->hostfw_buf.pa);
bus->next_tlv -= sizeof(host_location);
dhdpcie_bus_membytes(bus, TRUE, bus->next_tlv,
(uint8*)&host_location, sizeof(host_location));
DHD_INFO(("%s:Host page location info:"
" %08x-%08x Len:%x!\n",
__FUNCTION__, host_location.addr_hi,
host_location.addr_lo, host_location.binary_size));
}
#ifdef DHD_FWTRACE
{
/*
* Send host trace buffer at time of firmware download
* to enable collecting full init time firmware trace
*/
host_fwtrace_buf_location_info_t host_info;
if (fwtrace_init(bus->dhd) == BCME_OK) {
fwtrace_get_haddr(bus->dhd, &host_info.host_buf_info);
host_info.tlv_size = sizeof(host_info.host_buf_info);
host_info.tlv_signature =
htol32(BCM_HOST_FWTRACE_BUF_LOCATION_SIGNATURE);
bus->ramtop_addr -= sizeof(host_info);
dhdpcie_bus_membytes(bus, TRUE, bus->ramtop_addr,
(uint8*)&host_info, sizeof(host_info));
bus->next_tlv = sizeof(host_info);
}
}
#endif /* DHD_FWTRACE */
#endif /* BCMINTERNAL */
#if defined(FW_SIGNATURE)
if ((bcmerror = dhdpcie_bus_download_fw_signature(bus, &do_wr_flops))
!= BCME_OK) {
goto fail;
}
#endif /* FW_SIGNATURE */
if (do_wr_flops) {
uint32 resetinstr_data;
/* switch back to arm core again */
if (!(si_setcore(bus->sih, ARMCA7_CORE_ID, 0))) {
DHD_ERROR(("%s: Failed to find ARM CA7 core!\n",
__FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
/*
* read address 0 with reset instruction,
* to validate that is not secured
*/
bcmerror = dhdpcie_bus_membytes(bus, FALSE, 0,
(uint8 *)&resetinstr_data, sizeof(resetinstr_data));
if (resetinstr_data == 0xFFFFFFFF) {
DHD_ERROR(("%s: **** FLOPS Vector is secured, "
"Signature file is missing! ***\n", __FUNCTION__));
bcmerror = BCME_NO_SIG_FILE;
goto fail;
}
/* write address 0 with reset instruction */
bcmerror = dhdpcie_bus_membytes(bus, TRUE, 0,
(uint8 *)&bus->resetinstr, sizeof(bus->resetinstr));
/* now remove reset and halt and continue to run CA7 */
}
} else if (!si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) {
if (!(si_setcore(bus->sih, SOCRAM_CORE_ID, 0))) {
DHD_ERROR(("%s: Failed to find SOCRAM core!\n", __FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
if (!si_iscoreup(bus->sih)) {
DHD_ERROR(("%s: SOCRAM core is down after reset?\n", __FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
/* Enable remap before ARM reset but after vars.
* No backplane access in remap mode
*/
if (!si_setcore(bus->sih, PCMCIA_CORE_ID, 0) &&
!si_setcore(bus->sih, SDIOD_CORE_ID, 0)) {
DHD_ERROR(("%s: Can't change back to SDIO core?\n", __FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
/* XXX Change standby configuration here if necessary */
if (!(si_setcore(bus->sih, ARM7S_CORE_ID, 0)) &&
!(si_setcore(bus->sih, ARMCM3_CORE_ID, 0))) {
DHD_ERROR(("%s: Failed to find ARM core!\n", __FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
} else {
if (BCM43602_CHIP(bus->sih->chip)) {
/* Firmware crashes on SOCSRAM access when core is in reset */
if (!(si_setcore(bus->sih, SOCRAM_CORE_ID, 0))) {
DHD_ERROR(("%s: Failed to find SOCRAM core!\n",
__FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
si_core_reset(bus->sih, 0, 0);
si_setcore(bus->sih, ARMCR4_CORE_ID, 0);
}
/* write vars */
if ((bcmerror = dhdpcie_bus_write_vars(bus))) {
DHD_ERROR(("%s: could not write vars to RAM\n", __FUNCTION__));
goto fail;
}
/* write a random number rTLV to TCM for the purpose of
* randomizing heap address space.
*/
if ((bcmerror = dhdpcie_wrt_rnd(bus)) != BCME_OK) {
DHD_ERROR(("%s: Failed to get random seed to write to TCM !\n",
__FUNCTION__));
goto fail;
}
#if defined(FW_SIGNATURE)
if ((bcmerror = dhdpcie_bus_download_fw_signature(bus, &do_wr_flops))
!= BCME_OK) {
goto fail;
}
#endif /* FW_SIGNATURE */
if (do_wr_flops) {
uint32 resetinstr_data;
/* switch back to arm core again */
if (!(si_setcore(bus->sih, ARMCR4_CORE_ID, 0))) {
DHD_ERROR(("%s: Failed to find ARM CR4 core!\n",
__FUNCTION__));
bcmerror = BCME_ERROR;
goto fail;
}
/*
* read address 0 with reset instruction,
* to validate that is not secured
*/
bcmerror = dhdpcie_bus_membytes(bus, FALSE, 0,
(uint8 *)&resetinstr_data, sizeof(resetinstr_data));
if (resetinstr_data == 0xFFFFFFFF) {
DHD_ERROR(("%s: **** FLOPS Vector is secured, "
"Signature file is missing! ***\n", __FUNCTION__));
bcmerror = BCME_NO_SIG_FILE;
goto fail;
}
/* write address 0 with reset instruction */
bcmerror = dhdpcie_bus_membytes(bus, TRUE, 0,
(uint8 *)&bus->resetinstr, sizeof(bus->resetinstr));
if (bcmerror == BCME_OK) {
uint32 tmp;
bcmerror = dhdpcie_bus_membytes(bus, FALSE, 0,
(uint8 *)&tmp, sizeof(tmp));
if (bcmerror == BCME_OK && tmp != bus->resetinstr) {
DHD_ERROR(("%s: Failed to write 0x%08x to addr 0\n",
__FUNCTION__, bus->resetinstr));
DHD_ERROR(("%s: contents of addr 0 is 0x%08x\n",
__FUNCTION__, tmp));
bcmerror = BCME_ERROR;
goto fail;
}
}
/* now remove reset and halt and continue to run CR4 */
}
}
bus->arm_oor_time = OSL_LOCALTIME_NS();
si_core_reset(bus->sih, 0, 0);
/* Allow HT Clock now that the ARM is running. */
bus->alp_only = FALSE;
bus->dhd->busstate = DHD_BUS_LOAD;
#ifdef DHD_EFI
/*
* dhdpcie_init_phase2() sets the fw_download_status as FW_DOWNLOAD_IN_PROGRESS
* during the first default attempt to load FW either from OTP or WIRELESS folder.
*
* After the first successful download of the FW(either from OTP or WIRELESS folder
* or by dhd download command) set the fw_download_status as FW_DOWNLOAD_DONE.
*
* We need to maintain these states to perform FLR in dhdpcie_bus_download_state()
* only after first successful download.
*/
bus->dhd->fw_download_status = FW_DOWNLOAD_DONE;
#endif /* DHD_EFI */
}
fail:
/* Always return to PCIE core */
si_setcore(bus->sih, PCIE2_CORE_ID, 0);
if (MULTIBP_ENAB(bus->sih) && !do_flr) {
dhd_bus_pcie_pwr_req_clear(bus);
}
return bcmerror;
} /* dhdpcie_bus_download_state */
#if defined(FW_SIGNATURE)
static int
dhdpcie_bus_download_fw_signature(dhd_bus_t *bus, bool *do_write)
{
int bcmerror = BCME_OK;
DHD_INFO(("FWSIG: bl=%s,%x fw=%x,%u sig=%s,%x,%u"
" stat=%x,%u ram=%x,%x\n",
bus->bootloader_filename, bus->bootloader_addr,
bus->fw_download_addr, bus->fw_download_len,
bus->fwsig_filename, bus->fwsig_download_addr,
bus->fwsig_download_len,
bus->fwstat_download_addr, bus->fwstat_download_len,
bus->dongle_ram_base, bus->ramtop_addr));
if (bus->fwsig_filename[0] == 0) {
DHD_INFO(("%s: missing signature file\n", __FUNCTION__));
goto exit;
}
/* Write RAM Bootloader to TCM if requested */
if ((bcmerror = dhdpcie_bus_download_ram_bootloader(bus))
!= BCME_OK) {
DHD_ERROR(("%s: could not write RAM BL to TCM, err %d\n",
__FUNCTION__, bcmerror));
goto exit;
}
/* Write FW signature rTLV to TCM */
if ((bcmerror = dhdpcie_bus_write_fwsig(bus, bus->fwsig_filename,
NULL))) {
DHD_ERROR(("%s: could not write FWsig to TCM, err %d\n",
__FUNCTION__, bcmerror));
goto exit;
}
/* Write FW signature verification status rTLV to TCM */
if ((bcmerror = dhdpcie_bus_write_fws_status(bus)) != BCME_OK) {
DHD_ERROR(("%s: could not write FWinfo to TCM, err %d\n",
__FUNCTION__, bcmerror));
goto exit;
}
/* Write FW memory map rTLV to TCM */
if ((bcmerror = dhdpcie_bus_write_fws_mem_info(bus)) != BCME_OK) {
DHD_ERROR(("%s: could not write FWinfo to TCM, err %d\n",
__FUNCTION__, bcmerror));
goto exit;
}
/* Write a end-of-TLVs marker to TCM */
if ((bcmerror = dhdpcie_download_rtlv_end(bus)) != BCME_OK) {
DHD_ERROR(("%s: could not write rTLV-end marker to TCM, err %d\n",
__FUNCTION__, bcmerror));
goto exit;
}
/* In case of BL RAM, do write flops */
if (bus->bootloader_filename[0] != 0) {
*do_write = TRUE;
} else {
*do_write = FALSE;
}
exit:
return bcmerror;
}
/* Download a reversed-TLV to the top of dongle RAM without overlapping any existing rTLVs */
static int
dhdpcie_download_rtlv(dhd_bus_t *bus, dngl_rtlv_type_t type, dngl_rtlv_len_t len, uint8 *value)
{
int bcmerror = BCME_OK;
#ifdef DHD_DEBUG
uint8 *readback_buf = NULL;
uint32 readback_val = 0;
#endif /* DHD_DEBUG */
uint32 dest_addr = 0; /* dongle RAM dest address */
uint32 dest_size = 0; /* dongle RAM dest size */
uint32 dest_raw_size = 0; /* dest size with added checksum */
/* Calculate the destination dongle RAM address and size */
dest_size = ROUNDUP(len, 4);
dest_addr = bus->ramtop_addr - sizeof(dngl_rtlv_type_t) - sizeof(dngl_rtlv_len_t)
- dest_size;
bus->ramtop_addr = dest_addr;
/* Create the rTLV size field. This consists of 2 16-bit fields:
* The lower 16 bits is the size. The higher 16 bits is a checksum
* consisting of the size with all bits reversed.
* +-------------+-------------+
* | checksum | size |
* +-------------+-------------+
* High 16 bits Low 16 bits
*/
dest_raw_size = (~dest_size << 16) | (dest_size & 0x0000FFFF);
/* Write the value block */
if (dest_size > 0) {
bcmerror = dhdpcie_bus_membytes(bus, TRUE, dest_addr, value, dest_size);
if (bcmerror) {
DHD_ERROR(("%s: error %d on writing %d membytes to 0x%08x\n",
__FUNCTION__, bcmerror, dest_size, dest_addr));
goto exit;
}
}
/* Write the length word */
bcmerror = dhdpcie_bus_membytes(bus, TRUE, dest_addr + dest_size,
(uint8*)&dest_raw_size, sizeof(dngl_rtlv_len_t));
/* Write the type word */
bcmerror = dhdpcie_bus_membytes(bus, TRUE,
dest_addr + dest_size + sizeof(dngl_rtlv_len_t),
(uint8*)&type, sizeof(dngl_rtlv_type_t));
#ifdef DHD_DEBUG
/* Read back and compare the downloaded data */
if (dest_size > 0) {
readback_buf = (uint8*)MALLOC(bus->dhd->osh, dest_size);
if (!readback_buf) {
bcmerror = BCME_NOMEM;
goto exit;
}
memset(readback_buf, 0xaa, dest_size);
bcmerror = dhdpcie_bus_membytes(bus, FALSE, dest_addr, readback_buf, dest_size);
if (bcmerror) {
DHD_ERROR(("%s: readback error %d, %d bytes from 0x%08x\n",
__FUNCTION__, bcmerror, dest_size, dest_addr));
goto exit;
}
if (memcmp(value, readback_buf, dest_size) != 0) {
DHD_ERROR(("%s: Downloaded data mismatch.\n", __FUNCTION__));
bcmerror = BCME_ERROR;
goto exit;
} else {
DHD_ERROR(("Download and compare of TLV 0x%x succeeded"
" (size %u, addr %x).\n", type, dest_size, dest_addr));
}
}
/* Read back and compare the downloaded len field */
bcmerror = dhdpcie_bus_membytes(bus, FALSE, dest_addr + dest_size,
(uint8*)&readback_val, sizeof(dngl_rtlv_len_t));
if (!bcmerror) {
if (readback_val != dest_raw_size) {
bcmerror = BCME_BADLEN;
}
}
if (bcmerror) {
DHD_ERROR(("%s: Downloaded len error %d\n", __FUNCTION__, bcmerror));
goto exit;
}
/* Read back and compare the downloaded type field */
bcmerror = dhdpcie_bus_membytes(bus, FALSE,
dest_addr + dest_size + sizeof(dngl_rtlv_len_t),
(uint8*)&readback_val, sizeof(dngl_rtlv_type_t));
if (!bcmerror) {
if (readback_val != type) {
bcmerror = BCME_BADOPTION;
}
}
if (bcmerror) {
DHD_ERROR(("%s: Downloaded type error %d\n", __FUNCTION__, bcmerror));
goto exit;
}
#endif /* DHD_DEBUG */
bus->ramtop_addr = dest_addr;
exit:
#ifdef DHD_DEBUG
if (readback_buf) {
MFREE(bus->dhd->osh, readback_buf, dest_size);
}
#endif /* DHD_DEBUG */
return bcmerror;
} /* dhdpcie_download_rtlv */
/* Download a reversed-TLV END marker to the top of dongle RAM */
static int
dhdpcie_download_rtlv_end(dhd_bus_t *bus)
{
return dhdpcie_download_rtlv(bus, DNGL_RTLV_TYPE_END_MARKER, 0, NULL);
}
/* Write the FW signature verification status to dongle memory */
static int
dhdpcie_bus_write_fws_status(dhd_bus_t *bus)
{
bcm_fwsign_verif_status_t vstatus;
int ret;
bzero(&vstatus, sizeof(vstatus));
ret = dhdpcie_download_rtlv(bus, DNGL_RTLV_TYPE_FWSIGN_STATUS, sizeof(vstatus),
(uint8*)&vstatus);
bus->fwstat_download_addr = bus->ramtop_addr;
bus->fwstat_download_len = sizeof(vstatus);
return ret;
} /* dhdpcie_bus_write_fws_status */
/* Write the FW signature verification memory map to dongle memory */
static int
dhdpcie_bus_write_fws_mem_info(dhd_bus_t *bus)
{
bcm_fwsign_mem_info_t memmap;
int ret;
bzero(&memmap, sizeof(memmap));
memmap.firmware.start = bus->fw_download_addr;
memmap.firmware.end = memmap.firmware.start + bus->fw_download_len;
memmap.heap.start = ROUNDUP(memmap.firmware.end + BL_HEAP_START_GAP_SIZE, 4);
memmap.heap.end = memmap.heap.start + BL_HEAP_SIZE;
memmap.signature.start = bus->fwsig_download_addr;
memmap.signature.end = memmap.signature.start + bus->fwsig_download_len;
memmap.vstatus.start = bus->fwstat_download_addr;
memmap.vstatus.end = memmap.vstatus.start + bus->fwstat_download_len;
DHD_INFO(("%s: mem_info: fw=%x-%x heap=%x-%x sig=%x-%x vst=%x-%x res=%x\n",
__FUNCTION__,
memmap.firmware.start, memmap.firmware.end,
memmap.heap.start, memmap.heap.end,
memmap.signature.start, memmap.signature.end,
memmap.vstatus.start, memmap.vstatus.end,
memmap.reset_vec.start));
ret = dhdpcie_download_rtlv(bus, DNGL_RTLV_TYPE_FWSIGN_MEM_MAP, sizeof(memmap),
(uint8*)&memmap);
bus->fw_memmap_download_addr = bus->ramtop_addr;
bus->fw_memmap_download_len = sizeof(memmap);
return ret;
} /* dhdpcie_bus_write_fws_mem_info */
/* Download a bootloader image to dongle RAM */
static int
dhdpcie_bus_download_ram_bootloader(dhd_bus_t *bus)
{
int ret = BCME_OK;
uint32 dongle_ram_base_save;
DHD_INFO(("download_bloader: %s,0x%x. ramtop=0x%x\n",
bus->bootloader_filename, bus->bootloader_addr, bus->ramtop_addr));
if (bus->bootloader_filename[0] == '\0') {
return ret;
}
/* Save ram base */
dongle_ram_base_save = bus->dongle_ram_base;
/* Set ram base to bootloader download start address */
bus->dongle_ram_base = bus->bootloader_addr;
/* Download the bootloader image to TCM */
ret = dhdpcie_download_code_file(bus, bus->bootloader_filename);
/* Restore ram base */
bus->dongle_ram_base = dongle_ram_base_save;
return ret;
} /* dhdpcie_bus_download_ram_bootloader */
/* Save the FW download address and size */
static int
dhdpcie_bus_save_download_info(dhd_bus_t *bus, uint32 download_addr,
uint32 download_size, const char *signature_fname,
const char *bloader_fname, uint32 bloader_download_addr)
{
bus->fw_download_len = download_size;
bus->fw_download_addr = download_addr;
strlcpy(bus->fwsig_filename, signature_fname, sizeof(bus->fwsig_filename));
strlcpy(bus->bootloader_filename, bloader_fname, sizeof(bus->bootloader_filename));
bus->bootloader_addr = bloader_download_addr;
#ifdef GDB_PROXY
/* GDB proxy bootloader mode - if signature file specified (i.e.
* bootloader is used), but bootloader is not specified (i.e. ROM
* bootloader is uses).
* Bootloader mode is significant only for for preattachment debugging
* of chips, in which debug cell can't be initialized before ARM CPU
* start
*/
bus->gdb_proxy_bootloader_mode =
(bus->fwsig_filename[0] != 0) && (bus->bootloader_filename[0] == 0);
#endif /* GDB_PROXY */
return BCME_OK;
} /* dhdpcie_bus_save_download_info */
/* Read a small binary file and write it to the specified socram dest address */
static int
dhdpcie_download_sig_file(dhd_bus_t *bus, char *path, uint32 type)
{
int bcmerror = BCME_OK;
void *filep = NULL;
uint8 *srcbuf = NULL;
int srcsize = 0;
int len;
uint32 dest_size = 0; /* dongle RAM dest size */
if (path == NULL || path[0] == '\0') {
DHD_ERROR(("%s: no file\n", __FUNCTION__));
bcmerror = BCME_NOTFOUND;
goto exit;
}
/* Open file, get size */
filep = dhd_os_open_image1(bus->dhd, path);
if (filep == NULL) {
DHD_ERROR(("%s: error opening file %s\n", __FUNCTION__, path));
bcmerror = BCME_NOTFOUND;
goto exit;
}
srcsize = dhd_os_get_image_size(filep);
if (srcsize <= 0 || srcsize > MEMBLOCK) {
DHD_ERROR(("%s: invalid fwsig size %u\n", __FUNCTION__, srcsize));
bcmerror = BCME_BUFTOOSHORT;
goto exit;
}
dest_size = ROUNDUP(srcsize, 4);
/* Allocate src buffer, read in the entire file */
srcbuf = (uint8 *)MALLOCZ(bus->dhd->osh, dest_size);
if (!srcbuf) {
bcmerror = BCME_NOMEM;
goto exit;
}
len = dhd_os_get_image_block(srcbuf, srcsize, filep);
if (len != srcsize) {
DHD_ERROR(("%s: dhd_os_get_image_block failed (%d)\n", __FUNCTION__, len));
bcmerror = BCME_BADLEN;
goto exit;
}
/* Write the src buffer as a rTLV to the dongle */
bcmerror = dhdpcie_download_rtlv(bus, type, dest_size, srcbuf);
bus->fwsig_download_addr = bus->ramtop_addr;
bus->fwsig_download_len = dest_size;
exit:
if (filep) {
dhd_os_close_image1(bus->dhd, filep);
}
if (srcbuf) {
MFREE(bus->dhd->osh, srcbuf, dest_size);
}
return bcmerror;
} /* dhdpcie_download_sig_file */
static int
dhdpcie_bus_write_fwsig(dhd_bus_t *bus, char *fwsig_path, char *nvsig_path)
{
int bcmerror = BCME_OK;
/* Download the FW signature file to the chip */
bcmerror = dhdpcie_download_sig_file(bus, fwsig_path, DNGL_RTLV_TYPE_FW_SIGNATURE);
if (bcmerror) {
goto exit;
}
exit:
if (bcmerror) {
DHD_ERROR(("%s: error %d\n", __FUNCTION__, bcmerror));
}
return bcmerror;
} /* dhdpcie_bus_write_fwsig */
/* Dump secure firmware status. */
static int
dhd_bus_dump_fws(dhd_bus_t *bus, struct bcmstrbuf *strbuf)
{
bcm_fwsign_verif_status_t status;
bcm_fwsign_mem_info_t meminfo;
int err = BCME_OK;
bzero(&status, sizeof(status));
if (bus->fwstat_download_addr != 0) {
err = dhdpcie_bus_membytes(bus, FALSE, bus->fwstat_download_addr,
(uint8 *)&status, sizeof(status));
if (err != BCME_OK) {
DHD_ERROR(("%s: error %d on reading %zu membytes at 0x%08x\n",
__FUNCTION__, err, sizeof(status), bus->fwstat_download_addr));
return (err);
}
}
bzero(&meminfo, sizeof(meminfo));
if (bus->fw_memmap_download_addr != 0) {
err = dhdpcie_bus_membytes(bus, FALSE, bus->fw_memmap_download_addr,
(uint8 *)&meminfo, sizeof(meminfo));
if (err != BCME_OK) {
DHD_ERROR(("%s: error %d on reading %zu membytes at 0x%08x\n",
__FUNCTION__, err, sizeof(meminfo), bus->fw_memmap_download_addr));
return (err);
}
}
bcm_bprintf(strbuf, "Firmware signing\nSignature: (%08x) len (%d)\n",
bus->fwsig_download_addr, bus->fwsig_download_len);
bcm_bprintf(strbuf,
"Verification status: (%08x)\n"
"\tstatus: %d\n"
"\tstate: %u\n"
"\talloc_bytes: %u\n"
"\tmax_alloc_bytes: %u\n"
"\ttotal_alloc_bytes: %u\n"
"\ttotal_freed_bytes: %u\n"
"\tnum_allocs: %u\n"
"\tmax_allocs: %u\n"
"\tmax_alloc_size: %u\n"
"\talloc_failures: %u\n",
bus->fwstat_download_addr,
status.status,
status.state,
status.alloc_bytes,
status.max_alloc_bytes,
status.total_alloc_bytes,
status.total_freed_bytes,
status.num_allocs,
status.max_allocs,
status.max_alloc_size,
status.alloc_failures);
bcm_bprintf(strbuf,
"Memory info: (%08x)\n"
"\tfw %08x-%08x\n\theap %08x-%08x\n\tsig %08x-%08x\n\tvst %08x-%08x\n",
bus->fw_memmap_download_addr,
meminfo.firmware.start, meminfo.firmware.end,
meminfo.heap.start, meminfo.heap.end,
meminfo.signature.start, meminfo.signature.end,
meminfo.vstatus.start, meminfo.vstatus.end);
return (err);
}
#endif /* FW_SIGNATURE */
/* Write nvram data to the top of dongle RAM, ending with a size in # of 32-bit words */
static int
dhdpcie_bus_write_vars(dhd_bus_t *bus)
{
int bcmerror = 0;
uint32 varsize, phys_size;
uint32 varaddr;
uint8 *vbuffer;
uint32 varsizew;
#ifdef DHD_DEBUG
uint8 *nvram_ularray;
#endif /* DHD_DEBUG */
/* Even if there are no vars are to be written, we still need to set the ramsize. */
varsize = bus->varsz ? ROUNDUP(bus->varsz, 4) : 0;
varaddr = (bus->ramsize - 4) - varsize;
varaddr += bus->dongle_ram_base;
bus->ramtop_addr = varaddr;
if (bus->vars) {
/* XXX In case the controller has trouble with odd bytes... */
vbuffer = (uint8 *)MALLOC(bus->dhd->osh, varsize);
if (!vbuffer)
return BCME_NOMEM;
bzero(vbuffer, varsize);
bcopy(bus->vars, vbuffer, bus->varsz);
/* Write the vars list */
bcmerror = dhdpcie_bus_membytes(bus, TRUE, varaddr, vbuffer, varsize);
/* Implement read back and verify later */
#ifdef DHD_DEBUG
/* Verify NVRAM bytes */
DHD_INFO(("%s: Compare NVRAM dl & ul; varsize=%d\n", __FUNCTION__, varsize));
nvram_ularray = (uint8*)MALLOC(bus->dhd->osh, varsize);
if (!nvram_ularray) {
MFREE(bus->dhd->osh, vbuffer, varsize);
return BCME_NOMEM;
}
/* Upload image to verify downloaded contents. */
memset(nvram_ularray, 0xaa, varsize);
/* Read the vars list to temp buffer for comparison */
bcmerror = dhdpcie_bus_membytes(bus, FALSE, varaddr, nvram_ularray, varsize);
if (bcmerror) {
DHD_ERROR(("%s: error %d on reading %d nvram bytes at 0x%08x\n",
__FUNCTION__, bcmerror, varsize, varaddr));
}
/* Compare the org NVRAM with the one read from RAM */
if (memcmp(vbuffer, nvram_ularray, varsize)) {
DHD_ERROR(("%s: Downloaded NVRAM image is corrupted.\n", __FUNCTION__));
prhex("nvram file", vbuffer, varsize);
prhex("downloaded nvram", nvram_ularray, varsize);
MFREE(bus->dhd->osh, nvram_ularray, varsize);
MFREE(bus->dhd->osh, vbuffer, varsize);
return BCME_ERROR;
} else
DHD_ERROR(("%s: Download, Upload and compare of NVRAM succeeded.\n",
__FUNCTION__));
MFREE(bus->dhd->osh, nvram_ularray, varsize);
#endif /* DHD_DEBUG */
MFREE(bus->dhd->osh, vbuffer, varsize);
}
phys_size = REMAP_ENAB(bus) ? bus->ramsize : bus->orig_ramsize;
phys_size += bus->dongle_ram_base;
/* adjust to the user specified RAM */
DHD_INFO(("%s: Physical memory size: %d, usable memory size: %d\n", __FUNCTION__,
phys_size, bus->ramsize));
DHD_INFO(("%s: Vars are at %d, orig varsize is %d\n", __FUNCTION__,
varaddr, varsize));
varsize = ((phys_size - 4) - varaddr);
/*
* Determine the length token:
* Varsize, converted to words, in lower 16-bits, checksum in upper 16-bits.
*/
if (bcmerror) {
varsizew = 0;
bus->nvram_csm = varsizew;
} else {
varsizew = varsize / 4;
varsizew = (~varsizew << 16) | (varsizew & 0x0000FFFF);
bus->nvram_csm = varsizew;
varsizew = htol32(varsizew);
}
DHD_INFO(("%s: New varsize is %d, length token=0x%08x\n", __FUNCTION__, varsize, varsizew));
/* Write the length token to the last word */
bcmerror = dhdpcie_bus_membytes(bus, TRUE, (phys_size - 4),
(uint8*)&varsizew, 4);
return bcmerror;
} /* dhdpcie_bus_write_vars */
int
dhdpcie_downloadvars(dhd_bus_t *bus, void *arg, int len)
{
int bcmerror = BCME_OK;
#ifdef KEEP_JP_REGREV
/* XXX Needed by customer's request */
char *tmpbuf;
uint tmpidx;
#endif /* KEEP_JP_REGREV */
#ifdef GDB_PROXY
const char nodeadman_record[] = "deadman_to=0";
#endif /* GDB_PROXY */
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
if (!len) {
bcmerror = BCME_BUFTOOSHORT;
goto err;
}
/* Free the old ones and replace with passed variables */
if (bus->vars)
MFREE(bus->dhd->osh, bus->vars, bus->varsz);
#ifdef GDB_PROXY
if (bus->dhd->gdb_proxy_nodeadman) {
len += sizeof(nodeadman_record);
}
#endif /* GDB_PROXY */
bus->vars = MALLOC(bus->dhd->osh, len);
bus->varsz = bus->vars ? len : 0;
if (bus->vars == NULL) {
bcmerror = BCME_NOMEM;
goto err;
}
/* Copy the passed variables, which should include the terminating double-null */
bcopy(arg, bus->vars, bus->varsz);
#ifdef GDB_PROXY
if (bus->dhd->gdb_proxy_nodeadman &&
!replace_nvram_variable(bus->vars, bus->varsz, nodeadman_record, NULL))
{
bcmerror = BCME_NOMEM;
goto err;
}
#endif /* GDB_PROXY */
/* Re-Calculate htclkratio only for QT, for FPGA it is fixed at 30 */
#ifdef BCMQT_HW
dhdpcie_htclkratio_recal(bus, bus->vars, bus->varsz);
#endif
#ifdef DHD_USE_SINGLE_NVRAM_FILE
/* XXX Change the default country code only for MFG firmware */
if (dhd_bus_get_fw_mode(bus->dhd) == DHD_FLAG_MFG_MODE) {
char *sp = NULL;
char *ep = NULL;
int i;
char tag[2][8] = {"ccode=", "regrev="};
/* Find ccode and regrev info */
for (i = 0; i < 2; i++) {
sp = strnstr(bus->vars, tag[i], bus->varsz);
if (!sp) {
DHD_ERROR(("%s: Could not find ccode info from the nvram %s\n",
__FUNCTION__, bus->nv_path));
bcmerror = BCME_ERROR;
goto err;
}
sp = strchr(sp, '=');
ep = strchr(sp, '\0');
/* We assumed that string length of both ccode and
* regrev values should not exceed WLC_CNTRY_BUF_SZ
*/
if (ep && ((ep - sp) <= WLC_CNTRY_BUF_SZ)) {
sp++;
while (*sp != '\0') {
DHD_INFO(("%s: parse '%s', current sp = '%c'\n",
__FUNCTION__, tag[i], *sp));
*sp++ = '0';
}
} else {
DHD_ERROR(("%s: Invalid parameter format when parsing for %s\n",
__FUNCTION__, tag[i]));
bcmerror = BCME_ERROR;
goto err;
}
}
}
#endif /* DHD_USE_SINGLE_NVRAM_FILE */
#ifdef KEEP_JP_REGREV
/* XXX Needed by customer's request */
#ifdef DHD_USE_SINGLE_NVRAM_FILE
if (dhd_bus_get_fw_mode(bus->dhd) != DHD_FLAG_MFG_MODE)
#endif /* DHD_USE_SINGLE_NVRAM_FILE */
{
char *pos = NULL;
tmpbuf = MALLOCZ(bus->dhd->osh, bus->varsz + 1);
if (tmpbuf == NULL) {
goto err;
}
memcpy(tmpbuf, bus->vars, bus->varsz);
for (tmpidx = 0; tmpidx < bus->varsz; tmpidx++) {
if (tmpbuf[tmpidx] == 0) {
tmpbuf[tmpidx] = '\n';
}
}
bus->dhd->vars_ccode[0] = 0;
bus->dhd->vars_regrev = 0;
if ((pos = strstr(tmpbuf, "ccode"))) {
sscanf(pos, "ccode=%3s\n", bus->dhd->vars_ccode);
}
if ((pos = strstr(tmpbuf, "regrev"))) {
sscanf(pos, "regrev=%u\n", &(bus->dhd->vars_regrev));
}
MFREE(bus->dhd->osh, tmpbuf, bus->varsz + 1);
}
#endif /* KEEP_JP_REGREV */
err:
return bcmerror;
}
/* loop through the capability list and see if the pcie capabilty exists */
uint8
dhdpcie_find_pci_capability(osl_t *osh, uint8 req_cap_id)
{
uint8 cap_id;
uint8 cap_ptr = 0;
uint8 byte_val;
/* check for Header type 0 */
byte_val = read_pci_cfg_byte(PCI_CFG_HDR);
if ((byte_val & 0x7f) != PCI_HEADER_NORMAL) {
DHD_ERROR(("%s : PCI config header not normal.\n", __FUNCTION__));
goto end;
}
/* check if the capability pointer field exists */
byte_val = read_pci_cfg_byte(PCI_CFG_STAT);
if (!(byte_val & PCI_CAPPTR_PRESENT)) {
DHD_ERROR(("%s : PCI CAP pointer not present.\n", __FUNCTION__));
goto end;
}
cap_ptr = read_pci_cfg_byte(PCI_CFG_CAPPTR);
/* check if the capability pointer is 0x00 */
if (cap_ptr == 0x00) {
DHD_ERROR(("%s : PCI CAP pointer is 0x00.\n", __FUNCTION__));
goto end;
}
/* loop thr'u the capability list and see if the pcie capabilty exists */
cap_id = read_pci_cfg_byte(cap_ptr);
while (cap_id != req_cap_id) {
cap_ptr = read_pci_cfg_byte((cap_ptr + 1));
if (cap_ptr == 0x00) break;
cap_id = read_pci_cfg_byte(cap_ptr);
}
end:
return cap_ptr;
}
void
dhdpcie_pme_active(osl_t *osh, bool enable)
{
uint8 cap_ptr;
uint32 pme_csr;
cap_ptr = dhdpcie_find_pci_capability(osh, PCI_CAP_POWERMGMTCAP_ID);
if (!cap_ptr) {
DHD_ERROR(("%s : Power Management Capability not present\n", __FUNCTION__));
return;
}
pme_csr = OSL_PCI_READ_CONFIG(osh, cap_ptr + PME_CSR_OFFSET, sizeof(uint32));
DHD_ERROR(("%s : pme_sts_ctrl 0x%x\n", __FUNCTION__, pme_csr));
pme_csr |= PME_CSR_PME_STAT;
if (enable) {
pme_csr |= PME_CSR_PME_EN;
} else {
pme_csr &= ~PME_CSR_PME_EN;
}
OSL_PCI_WRITE_CONFIG(osh, cap_ptr + PME_CSR_OFFSET, sizeof(uint32), pme_csr);
}
bool
dhdpcie_pme_cap(osl_t *osh)
{
uint8 cap_ptr;
uint32 pme_cap;
cap_ptr = dhdpcie_find_pci_capability(osh, PCI_CAP_POWERMGMTCAP_ID);
if (!cap_ptr) {
DHD_ERROR(("%s : Power Management Capability not present\n", __FUNCTION__));
return FALSE;
}
pme_cap = OSL_PCI_READ_CONFIG(osh, cap_ptr, sizeof(uint32));
DHD_ERROR(("%s : pme_cap 0x%x\n", __FUNCTION__, pme_cap));
return ((pme_cap & PME_CAP_PM_STATES) != 0);
}
static void
dhdpcie_pme_stat_clear(dhd_bus_t *bus)
{
uint32 pmcsr = dhd_pcie_config_read(bus, PCIE_CFG_PMCSR, sizeof(uint32));
OSL_PCI_WRITE_CONFIG(bus->osh, PCIE_CFG_PMCSR, sizeof(uint32), pmcsr | PCIE_PMCSR_PMESTAT);
}
uint32
dhdpcie_lcreg(osl_t *osh, uint32 mask, uint32 val)
{
uint8 pcie_cap;
uint8 lcreg_offset; /* PCIE capability LCreg offset in the config space */
uint32 reg_val;
pcie_cap = dhdpcie_find_pci_capability(osh, PCI_CAP_PCIECAP_ID);
if (!pcie_cap) {
DHD_ERROR(("%s : PCIe Capability not present\n", __FUNCTION__));
return 0;
}
lcreg_offset = pcie_cap + PCIE_CAP_LINKCTRL_OFFSET;
/* set operation */
if (mask) {
/* read */
reg_val = OSL_PCI_READ_CONFIG(osh, lcreg_offset, sizeof(uint32));
/* modify */
reg_val &= ~mask;
reg_val |= (mask & val);
/* write */
OSL_PCI_WRITE_CONFIG(osh, lcreg_offset, sizeof(uint32), reg_val);
}
return OSL_PCI_READ_CONFIG(osh, lcreg_offset, sizeof(uint32));
}
#if defined(NDIS)
/* set min res mask to highest value, preventing sleep */
void
dhdpcie_set_pmu_min_res_mask(struct dhd_bus *bus, uint min_res_mask)
{
si_pmu_set_min_res_mask(bus->sih, bus->osh, min_res_mask);
}
#endif /* defined(NDIS) */
uint8
dhdpcie_clkreq(osl_t *osh, uint32 mask, uint32 val)
{
uint8 pcie_cap;
uint32 reg_val;
uint8 lcreg_offset; /* PCIE capability LCreg offset in the config space */
pcie_cap = dhdpcie_find_pci_capability(osh, PCI_CAP_PCIECAP_ID);
if (!pcie_cap) {
DHD_ERROR(("%s : PCIe Capability not present\n", __FUNCTION__));
return 0;
}
lcreg_offset = pcie_cap + PCIE_CAP_LINKCTRL_OFFSET;
reg_val = OSL_PCI_READ_CONFIG(osh, lcreg_offset, sizeof(uint32));
/* set operation */
if (mask) {
if (val)
reg_val |= PCIE_CLKREQ_ENAB;
else
reg_val &= ~PCIE_CLKREQ_ENAB;
OSL_PCI_WRITE_CONFIG(osh, lcreg_offset, sizeof(uint32), reg_val);
reg_val = OSL_PCI_READ_CONFIG(osh, lcreg_offset, sizeof(uint32));
}
if (reg_val & PCIE_CLKREQ_ENAB)
return 1;
else
return 0;
}
void dhd_dump_intr_counters(dhd_pub_t *dhd, struct bcmstrbuf *strbuf)
{
dhd_bus_t *bus;
uint64 current_time = OSL_LOCALTIME_NS();
if (!dhd) {
DHD_ERROR(("%s: dhd is NULL\n", __FUNCTION__));
return;
}
bus = dhd->bus;
if (!bus) {
DHD_ERROR(("%s: bus is NULL\n", __FUNCTION__));
return;
}
bcm_bprintf(strbuf, "\n ------- DUMPING INTR enable/disable counters-------\n");
bcm_bprintf(strbuf, "resume_intr_enable_count=%lu dpc_intr_enable_count=%lu\n"
"isr_intr_disable_count=%lu suspend_intr_disable_count=%lu\n"
"dpc_return_busdown_count=%lu non_ours_irq_count=%lu\n",
bus->resume_intr_enable_count, bus->dpc_intr_enable_count,
bus->isr_intr_disable_count, bus->suspend_intr_disable_count,
bus->dpc_return_busdown_count, bus->non_ours_irq_count);
#ifdef BCMPCIE_OOB_HOST_WAKE
bcm_bprintf(strbuf, "oob_intr_count=%lu oob_intr_enable_count=%lu"
" oob_intr_disable_count=%lu\noob_irq_num=%d"
" last_oob_irq_times="SEC_USEC_FMT":"SEC_USEC_FMT
" last_oob_irq_enable_time="SEC_USEC_FMT"\nlast_oob_irq_disable_time="SEC_USEC_FMT
" oob_irq_enabled=%d oob_gpio_level=%d\n",
bus->oob_intr_count, bus->oob_intr_enable_count,
bus->oob_intr_disable_count, dhdpcie_get_oob_irq_num(bus),
GET_SEC_USEC(bus->last_oob_irq_isr_time),
GET_SEC_USEC(bus->last_oob_irq_thr_time),
GET_SEC_USEC(bus->last_oob_irq_enable_time),
GET_SEC_USEC(bus->last_oob_irq_disable_time), dhdpcie_get_oob_irq_status(bus),
dhdpcie_get_oob_irq_level());
#endif /* BCMPCIE_OOB_HOST_WAKE */
bcm_bprintf(strbuf, "\ncurrent_time="SEC_USEC_FMT" isr_entry_time="SEC_USEC_FMT
" isr_exit_time="SEC_USEC_FMT"\n"
"isr_sched_dpc_time="SEC_USEC_FMT" rpm_sched_dpc_time="SEC_USEC_FMT"\n"
" last_non_ours_irq_time="SEC_USEC_FMT" dpc_entry_time="SEC_USEC_FMT"\n"
"last_process_ctrlbuf_time="SEC_USEC_FMT " last_process_flowring_time="SEC_USEC_FMT
" last_process_txcpl_time="SEC_USEC_FMT"\nlast_process_rxcpl_time="SEC_USEC_FMT
" last_process_infocpl_time="SEC_USEC_FMT" last_process_edl_time="SEC_USEC_FMT
"\ndpc_exit_time="SEC_USEC_FMT" resched_dpc_time="SEC_USEC_FMT"\n"
"last_d3_inform_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(current_time), GET_SEC_USEC(bus->isr_entry_time),
GET_SEC_USEC(bus->isr_exit_time), GET_SEC_USEC(bus->isr_sched_dpc_time),
GET_SEC_USEC(bus->rpm_sched_dpc_time),
GET_SEC_USEC(bus->last_non_ours_irq_time), GET_SEC_USEC(bus->dpc_entry_time),
GET_SEC_USEC(bus->last_process_ctrlbuf_time),
GET_SEC_USEC(bus->last_process_flowring_time),
GET_SEC_USEC(bus->last_process_txcpl_time),
GET_SEC_USEC(bus->last_process_rxcpl_time),
GET_SEC_USEC(bus->last_process_infocpl_time),
GET_SEC_USEC(bus->last_process_edl_time),
GET_SEC_USEC(bus->dpc_exit_time), GET_SEC_USEC(bus->resched_dpc_time),
GET_SEC_USEC(bus->last_d3_inform_time));
bcm_bprintf(strbuf, "\nlast_suspend_start_time="SEC_USEC_FMT" last_suspend_end_time="
SEC_USEC_FMT" last_resume_start_time="SEC_USEC_FMT" last_resume_end_time="
SEC_USEC_FMT"\n", GET_SEC_USEC(bus->last_suspend_start_time),
GET_SEC_USEC(bus->last_suspend_end_time),
GET_SEC_USEC(bus->last_resume_start_time),
GET_SEC_USEC(bus->last_resume_end_time));
#if defined(SHOW_LOGTRACE) && defined(DHD_USE_KTHREAD_FOR_LOGTRACE)
bcm_bprintf(strbuf, "logtrace_thread_entry_time="SEC_USEC_FMT
" logtrace_thread_sem_down_time="SEC_USEC_FMT
"\nlogtrace_thread_flush_time="SEC_USEC_FMT
" logtrace_thread_unexpected_break_time="SEC_USEC_FMT
"\nlogtrace_thread_complete_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(dhd->logtrace_thr_ts.entry_time),
GET_SEC_USEC(dhd->logtrace_thr_ts.sem_down_time),
GET_SEC_USEC(dhd->logtrace_thr_ts.flush_time),
GET_SEC_USEC(dhd->logtrace_thr_ts.unexpected_break_time),
GET_SEC_USEC(dhd->logtrace_thr_ts.complete_time));
#endif /* SHOW_LOGTRACE && DHD_USE_KTHREAD_FOR_LOGTRACE */
}
void dhd_dump_intr_registers(dhd_pub_t *dhd, struct bcmstrbuf *strbuf)
{
uint32 intstatus = 0;
uint32 intmask = 0;
uint32 d2h_db0 = 0;
uint32 d2h_mb_data = 0;
intstatus = si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
dhd->bus->pcie_mailbox_int, 0, 0);
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(dhd->bus, dhd->bus->pcie_mailbox_int, intstatus, FALSE);
#endif /* defined(DHD_MMIO_TRACE) */
intmask = si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
dhd->bus->pcie_mailbox_mask, 0, 0);
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(dhd->bus, dhd->bus->pcie_mailbox_mask, intmask, FALSE);
#endif /* defined(DHD_MMIO_TRACE) */
d2h_db0 = si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, PCID2H_MailBox, 0, 0);
dhd_bus_cmn_readshared(dhd->bus, &d2h_mb_data, D2H_MB_DATA, 0);
bcm_bprintf(strbuf, "intstatus=0x%x intmask=0x%x d2h_db0=0x%x\n",
intstatus, intmask, d2h_db0);
bcm_bprintf(strbuf, "d2h_mb_data=0x%x def_intmask=0x%x\n",
d2h_mb_data, dhd->bus->def_intmask);
}
#if defined(DHD_AWDL) && defined(AWDL_SLOT_STATS)
void
dhd_bus_dump_awdl_stats(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf)
{
int i = 0;
dhd_awdl_stats_t *awdl_stats;
bcm_bprintf(strbuf, "---------- AWDL STATISTICS ---------\n");
bcm_bprintf(strbuf, "%s %10s %12s %16s %12s %16s %8s %8s %8s\n",
"Slot", "AvgSlotTUs", "AvgSlotTUsFW", "NumSlots",
"AvgTxCmpL_Us", "NumTxStatus", "Acked", "tossed", "noack");
for (i = 0; i < AWDL_NUM_SLOTS; i++) {
awdl_stats = &dhdp->awdl_stats[i];
bcm_bprintf(strbuf, "%4d %10llu %12llu %16llu %12llu %16llu ",
i,
awdl_stats->num_slots ?
DIV_U64_BY_U64(awdl_stats->cum_slot_time,
awdl_stats->num_slots) : 0,
awdl_stats->num_slots ?
DIV_U64_BY_U64(awdl_stats->fw_cum_slot_time,
awdl_stats->num_slots) : 0,
awdl_stats->num_slots,
awdl_stats->num_tx_status ?
DIV_U64_BY_U64(awdl_stats->cum_tx_status_latency,
awdl_stats->num_tx_status) : 0,
awdl_stats->num_tx_status);
#ifdef BCMDBG
if (!dhdp->d2h_sync_mode) {
bcm_bprintf(strbuf, "%8d %8d %8d\n",
awdl_stats->tx_status[WLFC_CTL_PKTFLAG_DISCARD],
awdl_stats->tx_status[WLFC_CTL_PKTFLAG_TOSSED_BYWLC],
awdl_stats->tx_status[WLFC_CTL_PKTFLAG_DISCARD_NOACK]);
} else {
bcm_bprintf(strbuf,
"%8s %8s %8s\n", "NA", "NA", "NA");
}
#else
bcm_bprintf(strbuf,
"%8s %8s %8s\n", "NA", "NA", "NA");
#endif
}
}
#endif /* DHD_AWDL && AWDL_SLOT_STATS */
/** Add bus dump output to a buffer */
void dhd_bus_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf)
{
uint16 flowid;
int ix = 0;
flow_ring_node_t *flow_ring_node;
flow_info_t *flow_info;
#ifdef BCMDBG
flow_info_t *local_flow_info;
#endif /* BCMDBG */
#ifdef TX_STATUS_LATENCY_STATS
uint8 ifindex;
if_flow_lkup_t *if_flow_lkup;
dhd_if_tx_status_latency_t if_tx_status_latency[DHD_MAX_IFS];
#endif /* TX_STATUS_LATENCY_STATS */
#if defined(FW_SIGNATURE)
/* Dump secure firmware status. */
if (dhdp->busstate <= DHD_BUS_LOAD) {
dhd_bus_dump_fws(dhdp->bus, strbuf);
}
#endif
if (dhdp->busstate != DHD_BUS_DATA)
return;
#ifdef TX_STATUS_LATENCY_STATS
memset(if_tx_status_latency, 0, sizeof(if_tx_status_latency));
#endif /* TX_STATUS_LATENCY_STATS */
#ifdef DHD_WAKE_STATUS
bcm_bprintf(strbuf, "wake %u rxwake %u readctrlwake %u\n",
bcmpcie_get_total_wake(dhdp->bus), dhdp->bus->wake_counts.rxwake,
dhdp->bus->wake_counts.rcwake);
#ifdef DHD_WAKE_RX_STATUS
bcm_bprintf(strbuf, " unicast %u muticast %u broadcast %u arp %u\n",
dhdp->bus->wake_counts.rx_ucast, dhdp->bus->wake_counts.rx_mcast,
dhdp->bus->wake_counts.rx_bcast, dhdp->bus->wake_counts.rx_arp);
bcm_bprintf(strbuf, " multi4 %u multi6 %u icmp6 %u multiother %u\n",
dhdp->bus->wake_counts.rx_multi_ipv4, dhdp->bus->wake_counts.rx_multi_ipv6,
dhdp->bus->wake_counts.rx_icmpv6, dhdp->bus->wake_counts.rx_multi_other);
bcm_bprintf(strbuf, " icmp6_ra %u, icmp6_na %u, icmp6_ns %u\n",
dhdp->bus->wake_counts.rx_icmpv6_ra, dhdp->bus->wake_counts.rx_icmpv6_na,
dhdp->bus->wake_counts.rx_icmpv6_ns);
#endif /* DHD_WAKE_RX_STATUS */
#ifdef DHD_WAKE_EVENT_STATUS
for (flowid = 0; flowid < WLC_E_LAST; flowid++)
if (dhdp->bus->wake_counts.rc_event[flowid] != 0)
bcm_bprintf(strbuf, " %s = %u\n", bcmevent_get_name(flowid),
dhdp->bus->wake_counts.rc_event[flowid]);
bcm_bprintf(strbuf, "\n");
#endif /* DHD_WAKE_EVENT_STATUS */
#endif /* DHD_WAKE_STATUS */
dhd_prot_print_info(dhdp, strbuf);
dhd_dump_intr_registers(dhdp, strbuf);
dhd_dump_intr_counters(dhdp, strbuf);
bcm_bprintf(strbuf, "h2d_mb_data_ptr_addr 0x%x, d2h_mb_data_ptr_addr 0x%x\n",
dhdp->bus->h2d_mb_data_ptr_addr, dhdp->bus->d2h_mb_data_ptr_addr);
bcm_bprintf(strbuf, "dhd cumm_ctr %d\n", DHD_CUMM_CTR_READ(&dhdp->cumm_ctr));
#ifdef DHD_LIMIT_MULTI_CLIENT_FLOWRINGS
bcm_bprintf(strbuf, "multi_client_flow_rings:%d max_multi_client_flow_rings:%d\n",
dhdp->multi_client_flow_rings, dhdp->max_multi_client_flow_rings);
#endif /* DHD_LIMIT_MULTI_CLIENT_FLOWRINGS */
#if defined(DHD_HTPUT_TUNABLES)
bcm_bprintf(strbuf, "htput_flow_ring_start:%d total_htput:%d client_htput=%d\n",
dhdp->htput_flow_ring_start, HTPUT_TOTAL_FLOW_RINGS, dhdp->htput_client_flow_rings);
#endif /* DHD_HTPUT_TUNABLES */
bcm_bprintf(strbuf,
"%4s %4s %2s %4s %17s %4s %4s %6s %10s %17s %17s %17s %17s %14s %14s %10s ",
"Num:", "Flow", "If", "Prio", ":Dest_MacAddress:", "Qlen", "CLen", "L2CLen",
" Overflows", "TRD: HLRD: HDRD", "TWR: HLWR: HDWR", "BASE(VA)", "BASE(PA)",
"WORK_ITEM_SIZE", "MAX_WORK_ITEMS", "TOTAL_SIZE");
#ifdef TX_STATUS_LATENCY_STATS
/* Average Tx status/Completion Latency in micro secs */
bcm_bprintf(strbuf, "%16s %16s ", " NumTxPkts", " AvgTxCmpL_Us");
#endif /* TX_STATUS_LATENCY_STATS */
bcm_bprintf(strbuf, "\n");
for (flowid = 0; flowid < dhdp->num_h2d_rings; flowid++) {
unsigned long flags;
flow_ring_node = DHD_FLOW_RING(dhdp, flowid);
DHD_FLOWRING_LOCK(flow_ring_node->lock, flags);
if (flow_ring_node->status != FLOW_RING_STATUS_OPEN) {
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
continue;
}
flow_info = &flow_ring_node->flow_info;
bcm_bprintf(strbuf,
"%4d %4d %2d %4d "MACDBG" %4d %4d %6d %10u ", ix++,
flow_ring_node->flowid, flow_info->ifindex, flow_info->tid,
MAC2STRDBG(flow_info->da),
DHD_FLOW_QUEUE_LEN(&flow_ring_node->queue),
DHD_CUMM_CTR_READ(DHD_FLOW_QUEUE_CLEN_PTR(&flow_ring_node->queue)),
DHD_CUMM_CTR_READ(DHD_FLOW_QUEUE_L2CLEN_PTR(&flow_ring_node->queue)),
DHD_FLOW_QUEUE_FAILURES(&flow_ring_node->queue));
dhd_prot_print_flow_ring(dhdp, flow_ring_node->prot_info, TRUE, strbuf,
"%5d:%5d:%5d %5d:%5d:%5d %17p %8x:%8x %14d %14d %10d");
#ifdef TX_STATUS_LATENCY_STATS
bcm_bprintf(strbuf, "%16llu %16llu ",
flow_info->num_tx_pkts,
flow_info->num_tx_status ?
DIV_U64_BY_U64(flow_info->cum_tx_status_latency,
flow_info->num_tx_status) : 0);
ifindex = flow_info->ifindex;
ASSERT(ifindex < DHD_MAX_IFS);
if (ifindex < DHD_MAX_IFS) {
if_tx_status_latency[ifindex].num_tx_status += flow_info->num_tx_status;
if_tx_status_latency[ifindex].cum_tx_status_latency +=
flow_info->cum_tx_status_latency;
} else {
DHD_ERROR(("%s: Bad IF index: %d associated with flowid: %d\n",
__FUNCTION__, ifindex, flowid));
}
#endif /* TX_STATUS_LATENCY_STATS */
bcm_bprintf(strbuf, "\n");
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
}
#ifdef BCMDBG
if (!dhdp->d2h_sync_mode) {
ix = 0;
bcm_bprintf(strbuf, "\n%4s %4s %2s %10s %7s %6s %5s %5s %10s %7s %7s %7s \n",
"Num:", "Flow", "If", " ACKED", "D11SPRS", "WLSPRS", "TSDWL",
"NOACK", "SPRS_ACKED", "EXPIRED", "DROPPED", "FWFREED");
for (flowid = 0; flowid < dhdp->num_h2d_rings; flowid++) {
flow_ring_node = DHD_FLOW_RING(dhdp, flowid);
if (!flow_ring_node->active)
continue;
flow_info = &flow_ring_node->flow_info;
bcm_bprintf(strbuf, "%4d %4d %2d ",
ix++, flow_ring_node->flowid, flow_info->ifindex);
local_flow_info = &flow_ring_node->flow_info;
bcm_bprintf(strbuf, "%10d %7d %6d %5d %5d %10d %7d %7d %7d\n",
local_flow_info->tx_status[WLFC_CTL_PKTFLAG_DISCARD],
local_flow_info->tx_status[WLFC_CTL_PKTFLAG_D11SUPPRESS],
local_flow_info->tx_status[WLFC_CTL_PKTFLAG_WLSUPPRESS],
local_flow_info->tx_status[WLFC_CTL_PKTFLAG_TOSSED_BYWLC],
local_flow_info->tx_status[WLFC_CTL_PKTFLAG_DISCARD_NOACK],
local_flow_info->tx_status[WLFC_CTL_PKTFLAG_SUPPRESS_ACKED],
local_flow_info->tx_status[WLFC_CTL_PKTFLAG_EXPIRED],
local_flow_info->tx_status[WLFC_CTL_PKTFLAG_DROPPED],
local_flow_info->tx_status[WLFC_CTL_PKTFLAG_MKTFREE]);
}
}
#endif /* BCMDBG */
#ifdef TX_STATUS_LATENCY_STATS
bcm_bprintf(strbuf, "\n%s %16s %16s\n", "If", "AvgTxCmpL_Us", "NumTxStatus");
if_flow_lkup = (if_flow_lkup_t *)dhdp->if_flow_lkup;
for (ix = 0; ix < DHD_MAX_IFS; ix++) {
if (!if_flow_lkup[ix].status) {
continue;
}
bcm_bprintf(strbuf, "%2d %16llu %16llu\n",
ix,
if_tx_status_latency[ix].num_tx_status ?
DIV_U64_BY_U64(if_tx_status_latency[ix].cum_tx_status_latency,
if_tx_status_latency[ix].num_tx_status): 0,
if_tx_status_latency[ix].num_tx_status);
}
#endif /* TX_STATUS_LATENCY_STATS */
#ifdef DHD_HP2P
if (dhdp->hp2p_capable) {
bcm_bprintf(strbuf, "\n%s %16s %16s", "Flowid", "Tx_t0", "Tx_t1");
for (flowid = 0; flowid < MAX_HP2P_FLOWS; flowid++) {
hp2p_info_t *hp2p_info;
int bin;
hp2p_info = &dhdp->hp2p_info[flowid];
if (hp2p_info->num_timer_start == 0)
continue;
bcm_bprintf(strbuf, "\n%d", hp2p_info->flowid);
bcm_bprintf(strbuf, "\n%s", "Bin");
for (bin = 0; bin < MAX_TX_HIST_BIN; bin++) {
bcm_bprintf(strbuf, "\n%2d %20llu %16llu", bin,
hp2p_info->tx_t0[bin], hp2p_info->tx_t1[bin]);
}
bcm_bprintf(strbuf, "\n%s %16s", "Flowid", "Rx_t0");
bcm_bprintf(strbuf, "\n%d", hp2p_info->flowid);
bcm_bprintf(strbuf, "\n%s", "Bin");
for (bin = 0; bin < MAX_RX_HIST_BIN; bin++) {
bcm_bprintf(strbuf, "\n%d %20llu", bin,
hp2p_info->rx_t0[bin]);
}
bcm_bprintf(strbuf, "\n%s %16s %16s",
"Packet limit", "Timer limit", "Timer start");
bcm_bprintf(strbuf, "\n%llu %24llu %16llu", hp2p_info->num_pkt_limit,
hp2p_info->num_timer_limit, hp2p_info->num_timer_start);
}
bcm_bprintf(strbuf, "\n");
}
#endif /* DHD_HP2P */
#if defined(DHD_AWDL) && defined(AWDL_SLOT_STATS)
dhd_bus_dump_awdl_stats(dhdp, strbuf);
dhd_clear_awdl_stats(dhdp);
#endif /* DHD_AWDL && AWDL_SLOT_STATS */
bcm_bprintf(strbuf, "D3 inform cnt %d\n", dhdp->bus->d3_inform_cnt);
bcm_bprintf(strbuf, "D0 inform cnt %d\n", dhdp->bus->d0_inform_cnt);
bcm_bprintf(strbuf, "D0 inform in use cnt %d\n", dhdp->bus->d0_inform_in_use_cnt);
if (dhdp->d2h_hostrdy_supported) {
bcm_bprintf(strbuf, "hostready count:%d\n", dhdp->bus->hostready_count);
}
#ifdef PCIE_INB_DW
/* Inband device wake counters */
if (INBAND_DW_ENAB(dhdp->bus)) {
bcm_bprintf(strbuf, "Inband device_wake assert count: %d\n",
dhdp->bus->inband_dw_assert_cnt);
bcm_bprintf(strbuf, "Inband device_wake deassert count: %d\n",
dhdp->bus->inband_dw_deassert_cnt);
bcm_bprintf(strbuf, "Inband DS-EXIT <host initiated> count: %d\n",
dhdp->bus->inband_ds_exit_host_cnt);
bcm_bprintf(strbuf, "Inband DS-EXIT <device initiated> count: %d\n",
dhdp->bus->inband_ds_exit_device_cnt);
bcm_bprintf(strbuf, "Inband DS-EXIT Timeout count: %d\n",
dhdp->bus->inband_ds_exit_to_cnt);
bcm_bprintf(strbuf, "Inband HOST_SLEEP-EXIT Timeout count: %d\n",
dhdp->bus->inband_host_sleep_exit_to_cnt);
}
#endif /* PCIE_INB_DW */
bcm_bprintf(strbuf, "d2h_intr_method -> %s\n",
dhdp->bus->d2h_intr_method ? "PCIE_MSI" : "PCIE_INTX");
bcm_bprintf(strbuf, "\n\nDB7 stats - db7_send_cnt: %d, db7_trap_cnt: %d, "
"max duration: %lld (%lld - %lld), db7_timing_error_cnt: %d\n",
dhdp->db7_trap.debug_db7_send_cnt,
dhdp->db7_trap.debug_db7_trap_cnt,
dhdp->db7_trap.debug_max_db7_dur,
dhdp->db7_trap.debug_max_db7_trap_time,
dhdp->db7_trap.debug_max_db7_send_time,
dhdp->db7_trap.debug_db7_timing_error_cnt);
}
#ifdef DNGL_AXI_ERROR_LOGGING
bool
dhd_axi_sig_match(dhd_pub_t *dhdp)
{
uint32 axi_tcm_addr = dhdpcie_bus_rtcm32(dhdp->bus, dhdp->axierror_logbuf_addr);
if (dhdp->dhd_induce_error == DHD_INDUCE_DROP_AXI_SIG) {
DHD_ERROR(("%s: Induce AXI signature drop\n", __FUNCTION__));
return FALSE;
}
DHD_ERROR(("%s: axi_tcm_addr: 0x%x, tcm range: 0x%x ~ 0x%x\n",
__FUNCTION__, axi_tcm_addr, dhdp->bus->dongle_ram_base,
dhdp->bus->dongle_ram_base + dhdp->bus->ramsize));
if (axi_tcm_addr >= dhdp->bus->dongle_ram_base &&
axi_tcm_addr < dhdp->bus->dongle_ram_base + dhdp->bus->ramsize) {
uint32 axi_signature = dhdpcie_bus_rtcm32(dhdp->bus, (axi_tcm_addr +
OFFSETOF(hnd_ext_trap_axi_error_v1_t, signature)));
if (axi_signature == HND_EXT_TRAP_AXIERROR_SIGNATURE) {
return TRUE;
} else {
DHD_ERROR(("%s: No AXI signature: 0x%x\n",
__FUNCTION__, axi_signature));
return FALSE;
}
} else {
DHD_ERROR(("%s: No AXI shared tcm address debug info.\n", __FUNCTION__));
return FALSE;
}
}
void
dhd_axi_error(dhd_pub_t *dhdp)
{
dhd_axi_error_dump_t *axi_err_dump;
uint8 *axi_err_buf = NULL;
uint8 *p_axi_err = NULL;
uint32 axi_logbuf_addr;
uint32 axi_tcm_addr;
int err, size;
/* XXX: On the Dongle side, if an invalid Host Address is generated for a transaction
* it results in SMMU Fault. Now the Host won't respond for the invalid transaction.
* On the Dongle side, after 50msec this results in AXI Slave Error.
* Hence introduce a delay higher than 50msec to ensure AXI Slave error happens and
* the Dongle collects the required information.
*/
OSL_DELAY(75000);
axi_logbuf_addr = dhdp->axierror_logbuf_addr;
if (!axi_logbuf_addr) {
DHD_ERROR(("%s: No AXI TCM address debug info.\n", __FUNCTION__));
goto sched_axi;
}
axi_err_dump = dhdp->axi_err_dump;
if (!axi_err_dump) {
goto sched_axi;
}
if (!dhd_axi_sig_match(dhdp)) {
goto sched_axi;
}
/* Reading AXI error data for SMMU fault */
DHD_ERROR(("%s: Read AXI data from TCM address\n", __FUNCTION__));
axi_tcm_addr = dhdpcie_bus_rtcm32(dhdp->bus, axi_logbuf_addr);
size = sizeof(hnd_ext_trap_axi_error_v1_t);
axi_err_buf = MALLOCZ(dhdp->osh, size);
if (axi_err_buf == NULL) {
DHD_ERROR(("%s: out of memory !\n", __FUNCTION__));
goto sched_axi;
}
p_axi_err = axi_err_buf;
err = dhdpcie_bus_membytes(dhdp->bus, FALSE, axi_tcm_addr, p_axi_err, size);
if (err) {
DHD_ERROR(("%s: error %d on reading %d membytes at 0x%08x\n",
__FUNCTION__, err, size, axi_tcm_addr));
goto sched_axi;
}
/* Dump data to Dmesg */
dhd_log_dump_axi_error(axi_err_buf);
err = memcpy_s(&axi_err_dump->etd_axi_error_v1, size, axi_err_buf, size);
if (err) {
DHD_ERROR(("%s: failed to copy etd axi error info, err=%d\n",
__FUNCTION__, err));
}
sched_axi:
if (axi_err_buf) {
MFREE(dhdp->osh, axi_err_buf, size);
}
dhd_schedule_axi_error_dump(dhdp, NULL);
}
static void
dhd_log_dump_axi_error(uint8 *axi_err)
{
dma_dentry_v1_t dma_dentry;
dma_fifo_v1_t dma_fifo;
int i = 0, j = 0;
if (*(uint8 *)axi_err == HND_EXT_TRAP_AXIERROR_VERSION_1) {
hnd_ext_trap_axi_error_v1_t *axi_err_v1 = (hnd_ext_trap_axi_error_v1_t *)axi_err;
DHD_ERROR(("%s: signature : 0x%x\n", __FUNCTION__, axi_err_v1->signature));
DHD_ERROR(("%s: version : 0x%x\n", __FUNCTION__, axi_err_v1->version));
DHD_ERROR(("%s: length : 0x%x\n", __FUNCTION__, axi_err_v1->length));
DHD_ERROR(("%s: dma_fifo_valid_count : 0x%x\n",
__FUNCTION__, axi_err_v1->dma_fifo_valid_count));
DHD_ERROR(("%s: axi_errorlog_status : 0x%x\n",
__FUNCTION__, axi_err_v1->axi_errorlog_status));
DHD_ERROR(("%s: axi_errorlog_core : 0x%x\n",
__FUNCTION__, axi_err_v1->axi_errorlog_core));
DHD_ERROR(("%s: axi_errorlog_hi : 0x%x\n",
__FUNCTION__, axi_err_v1->axi_errorlog_hi));
DHD_ERROR(("%s: axi_errorlog_lo : 0x%x\n",
__FUNCTION__, axi_err_v1->axi_errorlog_lo));
DHD_ERROR(("%s: axi_errorlog_id : 0x%x\n",
__FUNCTION__, axi_err_v1->axi_errorlog_id));
for (i = 0; i < MAX_DMAFIFO_ENTRIES_V1; i++) {
dma_fifo = axi_err_v1->dma_fifo[i];
DHD_ERROR(("%s: valid:%d : 0x%x\n",
__FUNCTION__, i, dma_fifo.valid));
DHD_ERROR(("%s: direction:%d : 0x%x\n",
__FUNCTION__, i, dma_fifo.direction));
DHD_ERROR(("%s: index:%d : 0x%x\n",
__FUNCTION__, i, dma_fifo.index));
DHD_ERROR(("%s: dpa:%d : 0x%x\n",
__FUNCTION__, i, dma_fifo.dpa));
DHD_ERROR(("%s: desc_lo:%d : 0x%x\n",
__FUNCTION__, i, dma_fifo.desc_lo));
DHD_ERROR(("%s: desc_hi:%d : 0x%x\n",
__FUNCTION__, i, dma_fifo.desc_hi));
DHD_ERROR(("%s: din:%d : 0x%x\n",
__FUNCTION__, i, dma_fifo.din));
DHD_ERROR(("%s: dout:%d : 0x%x\n",
__FUNCTION__, i, dma_fifo.dout));
for (j = 0; j < MAX_DMAFIFO_DESC_ENTRIES_V1; j++) {
dma_dentry = axi_err_v1->dma_fifo[i].dentry[j];
DHD_ERROR(("%s: ctrl1:%d : 0x%x\n",
__FUNCTION__, i, dma_dentry.ctrl1));
DHD_ERROR(("%s: ctrl2:%d : 0x%x\n",
__FUNCTION__, i, dma_dentry.ctrl2));
DHD_ERROR(("%s: addrlo:%d : 0x%x\n",
__FUNCTION__, i, dma_dentry.addrlo));
DHD_ERROR(("%s: addrhi:%d : 0x%x\n",
__FUNCTION__, i, dma_dentry.addrhi));
}
}
}
else {
DHD_ERROR(("%s: Invalid AXI version: 0x%x\n", __FUNCTION__, (*(uint8 *)axi_err)));
}
}
#endif /* DNGL_AXI_ERROR_LOGGING */
/**
* Brings transmit packets on all flow rings closer to the dongle, by moving (a subset) from their
* flow queue to their flow ring.
*/
static void
dhd_update_txflowrings(dhd_pub_t *dhd)
{
unsigned long flags;
dll_t *item, *next;
flow_ring_node_t *flow_ring_node;
struct dhd_bus *bus = dhd->bus;
int count = 0;
if (dhd_query_bus_erros(dhd)) {
return;
}
/* Hold flowring_list_lock to ensure no race condition while accessing the List */
DHD_FLOWRING_LIST_LOCK(bus->dhd->flowring_list_lock, flags);
for (item = dll_head_p(&bus->flowring_active_list);
(!dhd_is_device_removed(dhd) && !dll_end(&bus->flowring_active_list, item));
item = next, count++) {
if (dhd->hang_was_sent) {
break;
}
if (count > bus->max_tx_flowrings) {
DHD_ERROR(("%s : overflow max flowrings\n", __FUNCTION__));
#ifdef OEM_ANDROID
dhd->hang_reason = HANG_REASON_UNKNOWN;
dhd_os_send_hang_message(dhd);
#endif /* OEM_ANDROID */
break;
}
next = dll_next_p(item);
flow_ring_node = dhd_constlist_to_flowring(item);
/* Ensure that flow_ring_node in the list is Not Null */
ASSERT(flow_ring_node != NULL);
/* Ensure that the flowring node has valid contents */
ASSERT(flow_ring_node->prot_info != NULL);
dhd_prot_update_txflowring(dhd, flow_ring_node->flowid, flow_ring_node->prot_info);
}
DHD_FLOWRING_LIST_UNLOCK(bus->dhd->flowring_list_lock, flags);
}
/** Mailbox ringbell Function */
static void
dhd_bus_gen_devmb_intr(struct dhd_bus *bus)
{
if ((bus->sih->buscorerev == 2) || (bus->sih->buscorerev == 6) ||
(bus->sih->buscorerev == 4)) {
DHD_ERROR(("%s: mailbox communication not supported\n", __FUNCTION__));
return;
}
if (bus->db1_for_mb) {
/* this is a pcie core register, not the config register */
/* XXX: make sure we are on PCIE */
DHD_PCIE_INFO(("%s: writing a mail box interrupt to the device, through doorbell 1\n", __FUNCTION__));
if (DAR_PWRREQ(bus)) {
dhd_bus_pcie_pwr_req(bus);
}
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(bus, dhd_bus_db1_addr_get(bus), 0x2, TRUE);
#endif /* defined(DHD_MMIO_TRACE) */
si_corereg(bus->sih, bus->sih->buscoreidx, dhd_bus_db1_addr_get(bus),
~0, 0x12345678);
} else {
DHD_PCIE_INFO(("%s: writing a mail box interrupt to the device,"
" through config space\n", __FUNCTION__));
dhdpcie_bus_cfg_write_dword(bus, PCISBMbx, 4, (1 << 0));
/* XXX CRWLPCIEGEN2-182 requires double write */
dhdpcie_bus_cfg_write_dword(bus, PCISBMbx, 4, (1 << 0));
}
}
/* Upon receiving a mailbox interrupt,
* if H2D_FW_TRAP bit is set in mailbox location
* device traps
*/
static void
dhdpcie_fw_trap(dhd_bus_t *bus)
{
DHD_ERROR(("%s: send trap!!!\n", __FUNCTION__));
if (bus->dhd->db7_trap.fw_db7w_trap) {
uint32 addr = dhd_bus_db1_addr_3_get(bus);
bus->dhd->db7_trap.debug_db7_send_time = OSL_LOCALTIME_NS();
bus->dhd->db7_trap.debug_db7_send_cnt++;
si_corereg(bus->sih, bus->sih->buscoreidx, addr, ~0,
bus->dhd->db7_trap.db7_magic_number);
return;
}
/* Send the mailbox data and generate mailbox intr. */
dhdpcie_send_mb_data(bus, H2D_FW_TRAP);
/* For FWs that cannot interprete H2D_FW_TRAP */
(void)dhd_wl_ioctl_set_intiovar(bus->dhd, "bus:disconnect", 99, WLC_SET_VAR, TRUE, 0);
}
#ifdef PCIE_INB_DW
void
dhd_bus_inb_ack_pending_ds_req(dhd_bus_t *bus)
{
/* The DHD_BUS_INB_DW_LOCK must be held before
* calling this function !!
*/
if ((dhdpcie_bus_get_pcie_inband_dw_state(bus) ==
DW_DEVICE_DS_DEV_SLEEP_PEND) &&
(bus->host_active_cnt == 0)) {
dhdpcie_bus_set_pcie_inband_dw_state(bus, DW_DEVICE_DS_DEV_SLEEP);
dhdpcie_send_mb_data(bus, H2D_HOST_DS_ACK);
}
}
int
dhd_bus_inb_set_device_wake(struct dhd_bus *bus, bool val)
{
int timeleft;
unsigned long flags;
int ret;
if (!INBAND_DW_ENAB(bus)) {
return BCME_ERROR;
}
if (val) {
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
/*
* Reset the Door Bell Timeout value. So that the Watchdog
* doesn't try to Deassert Device Wake, while we are in
* the process of still Asserting the same.
*/
dhd_bus_doorbell_timeout_reset(bus);
if (dhdpcie_bus_get_pcie_inband_dw_state(bus) ==
DW_DEVICE_DS_DEV_SLEEP) {
/* Clear wait_for_ds_exit */
bus->wait_for_ds_exit = 0;
if (bus->calc_ds_exit_latency) {
bus->ds_exit_latency = 0;
bus->ds_exit_ts2 = 0;
bus->ds_exit_ts1 = OSL_SYSUPTIME_US();
}
ret = dhdpcie_send_mb_data(bus, H2DMB_DS_DEVICE_WAKE_ASSERT);
if (ret != BCME_OK) {
DHD_ERROR(("Failed: assert Inband device_wake\n"));
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
ret = BCME_ERROR;
goto exit;
}
dhdpcie_bus_set_pcie_inband_dw_state(bus,
DW_DEVICE_DS_DISABLED_WAIT);
bus->inband_dw_assert_cnt++;
} else if (dhdpcie_bus_get_pcie_inband_dw_state(bus) ==
DW_DEVICE_DS_DISABLED_WAIT) {
DHD_ERROR(("Inband device wake is already asserted, "
"waiting for DS-Exit\n"));
}
else {
DHD_PCIE_INFO(("Not in DS SLEEP state \n"));
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
ret = BCME_OK;
goto exit;
}
/*
* Since we are going to wait/sleep .. release the lock.
* The Device Wake sanity is still valid, because
* a) If there is another context that comes in and tries
* to assert DS again and if it gets the lock, since
* ds_state would be now != DW_DEVICE_DS_DEV_SLEEP the
* context would return saying Not in DS Sleep.
* b) If ther is another context that comes in and tries
* to de-assert DS and gets the lock,
* since the ds_state is != DW_DEVICE_DS_DEV_WAKE
* that context would return too. This can not happen
* since the watchdog is the only context that can
* De-Assert Device Wake and as the first step of
* Asserting the Device Wake, we have pushed out the
* Door Bell Timeout.
*
*/
if (!CAN_SLEEP()) {
dhdpcie_bus_set_pcie_inband_dw_state(bus,
DW_DEVICE_DS_DEV_WAKE);
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
/* Called from context that cannot sleep */
OSL_DELAY(1000);
} else {
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
/* Wait for DS EXIT for DS_EXIT_TIMEOUT seconds */
timeleft = dhd_os_ds_exit_wait(bus->dhd, &bus->wait_for_ds_exit);
if (!bus->wait_for_ds_exit || timeleft == 0) {
DHD_ERROR(("dhd_bus_inb_set_device_wake:DS-EXIT timeout, "
"wait_for_ds_exit : %d\n", bus->wait_for_ds_exit));
bus->inband_ds_exit_to_cnt++;
bus->ds_exit_timeout = 0;
#ifdef DHD_FW_COREDUMP
if (bus->dhd->memdump_enabled) {
/* collect core dump */
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_BUS_BUSY_CLEAR_RPM_SUSPEND_IN_PROGRESS(bus->dhd);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
bus->dhd->memdump_type =
DUMP_TYPE_INBAND_DEVICE_WAKE_FAILURE;
dhd_bus_mem_dump(bus->dhd);
}
#else
ASSERT(0);
#endif /* DHD_FW_COREDUMP */
ret = BCME_ERROR;
goto exit;
}
}
ret = BCME_OK;
} else {
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
if ((dhdpcie_bus_get_pcie_inband_dw_state(bus) ==
DW_DEVICE_DS_DEV_WAKE)) {
ret = dhdpcie_send_mb_data(bus, H2DMB_DS_DEVICE_WAKE_DEASSERT);
if (ret != BCME_OK) {
DHD_ERROR(("Failed: deassert Inband device_wake\n"));
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
goto exit;
}
dhdpcie_bus_set_pcie_inband_dw_state(bus,
DW_DEVICE_DS_ACTIVE);
bus->inband_dw_deassert_cnt++;
} else if ((dhdpcie_bus_get_pcie_inband_dw_state(bus) ==
DW_DEVICE_DS_DEV_SLEEP_PEND) &&
(bus->host_active_cnt == 0)) {
dhdpcie_bus_set_pcie_inband_dw_state(bus, DW_DEVICE_DS_DEV_SLEEP);
dhdpcie_send_mb_data(bus, H2D_HOST_DS_ACK);
}
ret = BCME_OK;
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
}
exit:
return ret;
}
#endif /* PCIE_INB_DW */
#if defined(PCIE_OOB) || defined(PCIE_INB_DW)
void
dhd_bus_doorbell_timeout_reset(struct dhd_bus *bus)
{
if (dhd_doorbell_timeout) {
#ifdef DHD_PCIE_RUNTIMEPM
if (dhd_runtimepm_ms) {
dhd_timeout_start(&bus->doorbell_timer,
(dhd_doorbell_timeout * 1000) / dhd_runtimepm_ms);
}
#else
#ifdef BCMQT
uint wd_scale = 1;
#else
uint wd_scale = dhd_watchdog_ms;
#endif
if (dhd_watchdog_ms) {
dhd_timeout_start(&bus->doorbell_timer,
(dhd_doorbell_timeout * 1000) / wd_scale);
}
#endif /* DHD_PCIE_RUNTIMEPM */
}
else if (!(bus->dhd->busstate == DHD_BUS_SUSPEND)) {
dhd_bus_set_device_wake(bus, FALSE);
}
}
int
dhd_bus_set_device_wake(struct dhd_bus *bus, bool val)
{
if (bus->ds_enabled && bus->dhd->ring_attached) {
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
return dhd_bus_inb_set_device_wake(bus, val);
}
#endif /* PCIE_INB_DW */
#ifdef PCIE_OOB
if (OOB_DW_ENAB(bus)) {
return dhd_os_oob_set_device_wake(bus, val);
}
#endif /* PCIE_OOB */
}
return BCME_OK;
}
void
dhd_bus_dw_deassert(dhd_pub_t *dhd)
{
dhd_bus_t *bus = dhd->bus;
unsigned long flags;
if (dhd_query_bus_erros(bus->dhd)) {
return;
}
/* If haven't communicated with device for a while, deassert the Device_Wake GPIO */
if (dhd_doorbell_timeout != 0 && bus->dhd->busstate == DHD_BUS_DATA &&
dhd_timeout_expired(&bus->doorbell_timer) &&
!dhd_query_bus_erros(bus->dhd)) {
DHD_GENERAL_LOCK(dhd, flags);
if (DHD_BUS_BUSY_CHECK_IDLE(dhd) &&
!DHD_CHECK_CFG_IN_PROGRESS(dhd)) {
DHD_BUS_BUSY_SET_IN_DS_DEASSERT(dhd);
DHD_GENERAL_UNLOCK(dhd, flags);
dhd_bus_set_device_wake(bus, FALSE);
DHD_GENERAL_LOCK(dhd, flags);
DHD_BUS_BUSY_CLEAR_IN_DS_DEASSERT(dhd);
dhd_os_busbusy_wake(bus->dhd);
DHD_GENERAL_UNLOCK(dhd, flags);
} else {
DHD_GENERAL_UNLOCK(dhd, flags);
}
}
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
if (bus->ds_exit_timeout) {
bus->ds_exit_timeout --;
if (bus->ds_exit_timeout == 1) {
DHD_ERROR(("DS-EXIT TIMEOUT\n"));
bus->ds_exit_timeout = 0;
bus->inband_ds_exit_to_cnt++;
}
}
if (bus->host_sleep_exit_timeout) {
bus->host_sleep_exit_timeout --;
if (bus->host_sleep_exit_timeout == 1) {
DHD_ERROR(("HOST_SLEEP-EXIT TIMEOUT\n"));
bus->host_sleep_exit_timeout = 0;
bus->inband_host_sleep_exit_to_cnt++;
}
}
}
#endif /* PCIE_INB_DW */
}
#endif /* defined(PCIE_OOB) || defined(PCIE_INB_DW) */
/** mailbox doorbell ring function */
void
dhd_bus_ringbell(struct dhd_bus *bus, uint32 value)
{
/* Skip once bus enters low power state (D3_INFORM/D3_ACK) */
if (__DHD_CHK_BUS_IN_LPS(bus)) {
DHD_ERROR(("%s: trying to ring the doorbell after D3 inform %d\n",
__FUNCTION__, bus->bus_low_power_state));
return;
}
/* Skip in the case of link down */
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
if ((bus->sih->buscorerev == 2) || (bus->sih->buscorerev == 6) ||
(bus->sih->buscorerev == 4)) {
si_corereg(bus->sih, bus->sih->buscoreidx, bus->pcie_mailbox_int,
PCIE_INTB, PCIE_INTB);
} else {
/* this is a pcie core register, not the config regsiter */
/* XXX: makesure we are on PCIE */
DHD_PCIE_INFO(("%s: writing a door bell to the device\n", __FUNCTION__));
if (IDMA_ACTIVE(bus->dhd)) {
if (DAR_PWRREQ(bus)) {
dhd_bus_pcie_pwr_req(bus);
}
si_corereg(bus->sih, bus->sih->buscoreidx, dhd_bus_db0_addr_2_get(bus),
~0, value);
} else {
if (DAR_PWRREQ(bus)) {
dhd_bus_pcie_pwr_req(bus);
}
si_corereg(bus->sih, bus->sih->buscoreidx,
dhd_bus_db0_addr_get(bus), ~0, 0x12345678);
}
}
}
/** mailbox doorbell ring function for IDMA/IFRM using dma channel2 */
void
dhd_bus_ringbell_2(struct dhd_bus *bus, uint32 value, bool devwake)
{
/* this is a pcie core register, not the config regsiter */
/* XXX: makesure we are on PCIE */
/* Skip once bus enters low power state (D3_INFORM/D3_ACK) */
if (__DHD_CHK_BUS_IN_LPS(bus)) {
DHD_ERROR(("%s: trying to ring the doorbell after D3 inform %d\n",
__FUNCTION__, bus->bus_low_power_state));
return;
}
/* Skip in the case of link down */
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
DHD_PCIE_INFO(("writing a door bell 2 to the device\n"));
if (DAR_PWRREQ(bus)) {
dhd_bus_pcie_pwr_req(bus);
}
si_corereg(bus->sih, bus->sih->buscoreidx, dhd_bus_db0_addr_2_get(bus),
~0, value);
}
void
dhdpcie_bus_ringbell_fast(struct dhd_bus *bus, uint32 value)
{
/* Skip once bus enters low power state (D3_INFORM/D3_ACK) */
if (__DHD_CHK_BUS_IN_LPS(bus)) {
DHD_ERROR(("%s: trying to ring the doorbell after D3 inform %d\n",
__FUNCTION__, bus->bus_low_power_state));
return;
}
/* Skip in the case of link down */
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
#if defined(PCIE_OOB) || defined(PCIE_INB_DW)
if (OOB_DW_ENAB(bus)) {
dhd_bus_set_device_wake(bus, TRUE);
}
dhd_bus_doorbell_timeout_reset(bus);
#endif /* defined(PCIE_OOB) || defined(PCIE_INB_DW) */
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(bus, dhd_bus_db0_addr_get(bus), value,
((value >> 24u) == 0xFF) ? TRUE : FALSE);
#endif /* defined(DHD_MMIO_TRACE) */
if (DAR_PWRREQ(bus)) {
dhd_bus_pcie_pwr_req(bus);
}
#ifdef DHD_DB0TS
if (bus->dhd->db0ts_capable) {
uint64 ts;
ts = local_clock();
do_div(ts, 1000);
value = htol32(ts & 0xFFFFFFFF);
DHD_INFO(("%s: usec timer = 0x%x\n", __FUNCTION__, value));
}
#endif /* DHD_DB0TS */
W_REG(bus->pcie_mb_intr_osh, bus->pcie_mb_intr_addr, value);
}
void
dhdpcie_bus_ringbell_2_fast(struct dhd_bus *bus, uint32 value, bool devwake)
{
/* Skip once bus enters low power state (D3_INFORM/D3_ACK) */
if (__DHD_CHK_BUS_IN_LPS(bus)) {
DHD_ERROR(("%s: trying to ring the doorbell after D3 inform %d\n",
__FUNCTION__, bus->bus_low_power_state));
return;
}
/* Skip in the case of link down */
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
#if defined(PCIE_OOB) || defined(PCIE_INB_DW)
if (devwake) {
if (OOB_DW_ENAB(bus)) {
dhd_bus_set_device_wake(bus, TRUE);
}
}
dhd_bus_doorbell_timeout_reset(bus);
#endif /* defined(PCIE_OOB) || defined(PCIE_INB_DW) */
#ifdef DHD_MMIO_TRACE
dhd_bus_mmio_trace(bus, dhd_bus_db0_addr_2_get(bus), value, TRUE);
#endif /* defined(DHD_MMIO_TRACE) */
if (DAR_PWRREQ(bus)) {
dhd_bus_pcie_pwr_req(bus);
}
W_REG(bus->pcie_mb_intr_osh, bus->pcie_mb_intr_2_addr, value);
}
static void
dhd_bus_ringbell_oldpcie(struct dhd_bus *bus, uint32 value)
{
uint32 w;
/* Skip once bus enters low power state (D3_INFORM/D3_ACK) */
if (__DHD_CHK_BUS_IN_LPS(bus)) {
DHD_ERROR(("%s: trying to ring the doorbell after D3 inform %d\n",
__FUNCTION__, bus->bus_low_power_state));
return;
}
/* Skip in the case of link down */
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down\n", __FUNCTION__));
return;
}
w = (R_REG(bus->pcie_mb_intr_osh, bus->pcie_mb_intr_addr) & ~PCIE_INTB) | PCIE_INTB;
W_REG(bus->pcie_mb_intr_osh, bus->pcie_mb_intr_addr, w);
}
dhd_mb_ring_t
dhd_bus_get_mbintr_fn(struct dhd_bus *bus)
{
if ((bus->sih->buscorerev == 2) || (bus->sih->buscorerev == 6) ||
(bus->sih->buscorerev == 4)) {
bus->pcie_mb_intr_addr = si_corereg_addr(bus->sih, bus->sih->buscoreidx,
bus->pcie_mailbox_int);
if (bus->pcie_mb_intr_addr) {
bus->pcie_mb_intr_osh = si_osh(bus->sih);
return dhd_bus_ringbell_oldpcie;
}
} else {
bus->pcie_mb_intr_addr = si_corereg_addr(bus->sih, bus->sih->buscoreidx,
dhd_bus_db0_addr_get(bus));
if (bus->pcie_mb_intr_addr) {
bus->pcie_mb_intr_osh = si_osh(bus->sih);
return dhdpcie_bus_ringbell_fast;
}
}
return dhd_bus_ringbell;
}
dhd_mb_ring_2_t
dhd_bus_get_mbintr_2_fn(struct dhd_bus *bus)
{
bus->pcie_mb_intr_2_addr = si_corereg_addr(bus->sih, bus->sih->buscoreidx,
dhd_bus_db0_addr_2_get(bus));
if (bus->pcie_mb_intr_2_addr) {
bus->pcie_mb_intr_osh = si_osh(bus->sih);
return dhdpcie_bus_ringbell_2_fast;
}
return dhd_bus_ringbell_2;
}
bool
BCMFASTPATH(dhd_bus_dpc)(struct dhd_bus *bus)
{
bool resched = FALSE; /* Flag indicating resched wanted */
unsigned long flags;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
bus->dpc_entry_time = OSL_LOCALTIME_NS();
if (dhd_query_bus_erros(bus->dhd)) {
return 0;
}
DHD_GENERAL_LOCK(bus->dhd, flags);
/* Check for only DHD_BUS_DOWN and not for DHD_BUS_DOWN_IN_PROGRESS
* to avoid IOCTL Resumed On timeout when ioctl is waiting for response
* and rmmod is fired in parallel, which will make DHD_BUS_DOWN_IN_PROGRESS
* and if we return from here, then IOCTL response will never be handled
*/
if (bus->dhd->busstate == DHD_BUS_DOWN) {
DHD_ERROR(("%s: Bus down, ret\n", __FUNCTION__));
bus->intstatus = 0;
DHD_GENERAL_UNLOCK(bus->dhd, flags);
bus->dpc_return_busdown_count++;
return 0;
}
#ifdef DHD_PCIE_RUNTIMEPM
bus->idlecount = 0;
#endif /* DHD_PCIE_RUNTIMEPM */
DHD_BUS_BUSY_SET_IN_DPC(bus->dhd);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
#ifdef DHD_READ_INTSTATUS_IN_DPC
if (bus->ipend) {
bus->ipend = FALSE;
bus->intstatus = dhdpcie_bus_intstatus(bus);
/* Check if the interrupt is ours or not */
if (bus->intstatus == 0) {
goto INTR_ON;
}
bus->intrcount++;
}
#endif /* DHD_READ_INTSTATUS_IN_DPC */
/* Do not process dpc after receiving D3_ACK */
if (DHD_CHK_BUS_LPS_D3_ACKED(bus)) {
DHD_ERROR(("%s: D3 Ack Recieved, skip dpc\n", __FUNCTION__));
goto exit;
}
resched = dhdpcie_bus_process_mailbox_intr(bus, bus->intstatus);
if (!resched) {
bus->intstatus = 0;
#ifdef DHD_READ_INTSTATUS_IN_DPC
INTR_ON:
#endif /* DHD_READ_INTSTATUS_IN_DPC */
#ifdef CHIP_INTR_CONTROL
dhdpcie_bus_intr_enable(bus); /* Enable back interrupt using Intmask!! */
bus->dpc_intr_enable_count++;
#else
/* For Linux, Macos etc (otherthan NDIS) enable back the host interrupts
* which has been disabled in the dhdpcie_bus_isr()
*/
if ((dhdpcie_irq_disabled(bus)) && (!dhd_query_bus_erros(bus->dhd))) {
dhdpcie_enable_irq(bus); /* Enable back interrupt!! */
bus->dpc_intr_enable_count++;
}
#endif /* HOST_INTR_CONTROL */
bus->dpc_exit_time = OSL_LOCALTIME_NS();
} else {
bus->resched_dpc_time = OSL_LOCALTIME_NS();
}
bus->dpc_sched = resched;
#ifdef DHD_FLOW_RING_STATUS_TRACE
if (bus->dhd->dma_h2d_ring_upd_support && bus->dhd->dma_d2h_ring_upd_support &&
(bus->dhd->ring_attached == TRUE)) {
dhd_bus_flow_ring_status_dpc_trace(bus->dhd);
}
#endif /* DHD_FLOW_RING_STATUS_TRACE */
exit:
DHD_GENERAL_LOCK(bus->dhd, flags);
DHD_BUS_BUSY_CLEAR_IN_DPC(bus->dhd);
dhd_os_busbusy_wake(bus->dhd);
DHD_GENERAL_UNLOCK(bus->dhd, flags);
return resched;
}
int
dhdpcie_send_mb_data(dhd_bus_t *bus, uint32 h2d_mb_data)
{
uint32 cur_h2d_mb_data = 0;
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link was down\n", __FUNCTION__));
return BCME_ERROR;
}
DHD_PCIE_INFO(("%s: H2D_MB_DATA: 0x%08X\n", __FUNCTION__, h2d_mb_data));
#ifdef PCIE_INB_DW
if (h2d_mb_data == H2D_HOST_DS_ACK) {
dhdpcie_set_dongle_deepsleep(bus, TRUE);
}
dhd_bus_ds_trace(bus, h2d_mb_data, FALSE, dhdpcie_bus_get_pcie_inband_dw_state(bus));
#else
dhd_bus_ds_trace(bus, h2d_mb_data, FALSE);
#endif /* PCIE_INB_DW */
if (bus->api.fw_rev >= PCIE_SHARED_VERSION_6 && !bus->use_mailbox) {
DHD_PCIE_INFO(("API rev is 6, sending mb data as H2D Ctrl message"
" to dongle, 0x%04x\n", h2d_mb_data));
/* Prevent asserting device_wake during doorbell ring for mb data to avoid loop. */
#ifdef PCIE_OOB
bus->oob_enabled = FALSE;
#endif /* PCIE_OOB */
/* XXX: check the error return value here... */
if (dhd_prot_h2d_mbdata_send_ctrlmsg(bus->dhd, h2d_mb_data)) {
DHD_ERROR(("failure sending the H2D Mailbox message "
"to firmware\n"));
goto fail;
}
#ifdef PCIE_OOB
bus->oob_enabled = TRUE;
#endif /* PCIE_OOB */
goto done;
}
dhd_bus_cmn_readshared(bus, &cur_h2d_mb_data, H2D_MB_DATA, 0);
if (cur_h2d_mb_data != 0) {
uint32 i = 0;
DHD_PCIE_INFO(("%s: GRRRRRRR: MB transaction is already pending 0x%04x\n",
__FUNCTION__, cur_h2d_mb_data));
/* XXX: start a zero length timer to keep checking this to be zero */
while ((i++ < 100) && cur_h2d_mb_data) {
OSL_DELAY(10);
dhd_bus_cmn_readshared(bus, &cur_h2d_mb_data, H2D_MB_DATA, 0);
}
if (i >= 100) {
DHD_ERROR(("%s : waited 1ms for the dngl "
"to ack the previous mb transaction\n", __FUNCTION__));
DHD_ERROR(("%s : MB transaction is still pending 0x%04x\n",
__FUNCTION__, cur_h2d_mb_data));
}
}
dhd_bus_cmn_writeshared(bus, &h2d_mb_data, sizeof(uint32), H2D_MB_DATA, 0);
dhd_bus_gen_devmb_intr(bus);
done:
if (h2d_mb_data == H2D_HOST_D3_INFORM) {
DHD_INFO_HW4(("%s: send H2D_HOST_D3_INFORM to dongle\n", __FUNCTION__));
bus->last_d3_inform_time = OSL_LOCALTIME_NS();
bus->d3_inform_cnt++;
}
if (h2d_mb_data == H2D_HOST_D0_INFORM_IN_USE) {
DHD_INFO_HW4(("%s: send H2D_HOST_D0_INFORM_IN_USE to dongle\n", __FUNCTION__));
bus->d0_inform_in_use_cnt++;
}
if (h2d_mb_data == H2D_HOST_D0_INFORM) {
DHD_INFO_HW4(("%s: send H2D_HOST_D0_INFORM to dongle\n", __FUNCTION__));
bus->d0_inform_cnt++;
}
return BCME_OK;
fail:
return BCME_ERROR;
}
static void
dhd_bus_handle_d3_ack(dhd_bus_t *bus)
{
bus->suspend_intr_disable_count++;
/* Disable dongle Interrupts Immediately after D3 */
/* For Linux, Macos etc (otherthan NDIS) along with disabling
* dongle interrupt by clearing the IntMask, disable directly
* interrupt from the host side as well. Also clear the intstatus
* if it is set to avoid unnecessary intrrupts after D3 ACK.
*/
dhdpcie_bus_intr_disable(bus); /* Disable interrupt using IntMask!! */
dhdpcie_bus_clear_intstatus(bus);
#ifndef NDIS /* !NDIS */
dhdpcie_disable_irq_nosync(bus); /* Disable host interrupt!! */
#endif /* !NDIS */
DHD_SET_BUS_LPS_D3_ACKED(bus);
DHD_ERROR(("%s: D3_ACK Recieved\n", __FUNCTION__));
if (bus->dhd->dhd_induce_error == DHD_INDUCE_D3_ACK_TIMEOUT) {
/* Set bus_low_power_state to DHD_BUS_D3_ACK_RECIEVED */
DHD_ERROR(("%s: Due to d3ack induce error forcefully set "
"bus_low_power_state to DHD_BUS_D3_INFORM_SENT\n", __FUNCTION__));
DHD_SET_BUS_LPS_D3_INFORMED(bus);
}
/* Check for D3 ACK induce flag, which is set by firing dhd iovar to induce D3 Ack timeout.
* If flag is set, D3 wake is skipped, which results in to D3 Ack timeout.
*/
if (bus->dhd->dhd_induce_error != DHD_INDUCE_D3_ACK_TIMEOUT) {
bus->wait_for_d3_ack = 1;
dhd_os_d3ack_wake(bus->dhd);
} else {
DHD_ERROR(("%s: Inducing D3 ACK timeout\n", __FUNCTION__));
}
}
void
dhd_bus_handle_mb_data(dhd_bus_t *bus, uint32 d2h_mb_data)
{
#ifdef PCIE_INB_DW
unsigned long flags = 0;
#endif /* PCIE_INB_DW */
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
DHD_PCIE_INFO(("D2H_MB_DATA: 0x%04x\n", d2h_mb_data));
#ifdef PCIE_INB_DW
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
dhd_bus_ds_trace(bus, d2h_mb_data, TRUE, dhdpcie_bus_get_pcie_inband_dw_state(bus));
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
#else
dhd_bus_ds_trace(bus, d2h_mb_data, TRUE);
#endif /* PCIE_INB_DW */
if (d2h_mb_data & D2H_DEV_FWHALT) {
if (bus->dhd->db7_trap.fw_db7w_trap_inprogress == FALSE) {
DHD_ERROR(("FW trap has happened, dongle_trap_data 0x%8x\n",
bus->dhd->dongle_trap_data));
}
if (bus->dhd->dongle_trap_data & D2H_DEV_TRAP_HOSTDB) {
uint64 db7_dur;
bus->dhd->db7_trap.debug_db7_trap_time = OSL_LOCALTIME_NS();
bus->dhd->db7_trap.debug_db7_trap_cnt++;
db7_dur = bus->dhd->db7_trap.debug_db7_trap_time -
bus->dhd->db7_trap.debug_db7_send_time;
if (db7_dur > bus->dhd->db7_trap.debug_max_db7_dur) {
bus->dhd->db7_trap.debug_max_db7_send_time =
bus->dhd->db7_trap.debug_db7_send_time;
bus->dhd->db7_trap.debug_max_db7_trap_time =
bus->dhd->db7_trap.debug_db7_trap_time;
}
bus->dhd->db7_trap.debug_max_db7_dur =
MAX(bus->dhd->db7_trap.debug_max_db7_dur, db7_dur);
if (bus->dhd->db7_trap.fw_db7w_trap_inprogress == FALSE) {
bus->dhd->db7_trap.debug_db7_timing_error_cnt++;
}
} else {
dhdpcie_checkdied(bus, NULL, 0);
#ifdef BCM_ROUTER_DHD
dhdpcie_handle_dongle_trap(bus);
#endif
#ifdef OEM_ANDROID
#ifdef SUPPORT_LINKDOWN_RECOVERY
#ifdef CONFIG_ARCH_MSM
bus->no_cfg_restore = 1;
#endif /* CONFIG_ARCH_MSM */
#endif /* SUPPORT_LINKDOWN_RECOVERY */
dhd_os_check_hang(bus->dhd, 0, -EREMOTEIO);
#endif /* OEM_ANDROID */
}
if (bus->dhd->db7_trap.fw_db7w_trap_inprogress) {
bus->dhd->db7_trap.fw_db7w_trap_inprogress = FALSE;
bus->dhd->dongle_trap_occured = TRUE;
}
goto exit;
}
if (d2h_mb_data & D2H_DEV_DS_ENTER_REQ) {
bool ds_acked = FALSE;
BCM_REFERENCE(ds_acked);
if (__DHD_CHK_BUS_LPS_D3_ACKED(bus)) {
DHD_ERROR(("DS-ENTRY AFTER D3-ACK!!!!! QUITING\n"));
DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__));
bus->dhd->busstate = DHD_BUS_DOWN;
goto exit;
}
/* what should we do */
DHD_PCIE_INFO(("D2H_MB_DATA: DEEP SLEEP REQ\n"));
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
/* As per inband state machine, host should not send DS-ACK
* during suspend or suspend in progress, instead D3 inform will be sent.
*/
if (!bus->skip_ds_ack) {
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
if (dhdpcie_bus_get_pcie_inband_dw_state(bus)
== DW_DEVICE_DS_ACTIVE) {
dhdpcie_bus_set_pcie_inband_dw_state(bus,
DW_DEVICE_DS_DEV_SLEEP_PEND);
if (bus->host_active_cnt == 0) {
dhdpcie_bus_set_pcie_inband_dw_state(bus,
DW_DEVICE_DS_DEV_SLEEP);
dhdpcie_send_mb_data(bus, H2D_HOST_DS_ACK);
ds_acked = TRUE;
DHD_PCIE_INFO(("D2H_MB_DATA: sent DEEP SLEEP"
"ACK to DNGL\n"));
} else {
DHD_PCIE_INFO(("%s: Host is active, "
"skip sending DS-ACK. "
"host_active_cnt is %d\n",
__FUNCTION__, bus->host_active_cnt));
}
}
/* Currently DW_DEVICE_HOST_SLEEP_WAIT is set only
* under dhd_bus_suspend() function.
*/
else if (dhdpcie_bus_get_pcie_inband_dw_state(bus)
== DW_DEVICE_HOST_SLEEP_WAIT) {
DHD_ERROR(("%s: DS-ACK not sent due to suspend "
"in progress\n", __FUNCTION__));
} else {
DHD_ERROR_RLMT(("%s: Failed to send DS-ACK, DS state is %d",
__FUNCTION__,
dhdpcie_bus_get_pcie_inband_dw_state(bus)));
}
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
dhd_os_ds_enter_wake(bus->dhd);
} else {
DHD_PCIE_INFO(("%s: Skip DS-ACK due to "
"suspend in progress\n", __FUNCTION__));
}
#ifdef DHD_EFI
if (ds_acked && !bus->ds_enabled) {
/* if 'deep_sleep' is disabled, then need to again assert DW
* from here once we we have acked the DS_ENTER_REQ, so that
* dongle stays awake and honours the user iovar request.
* Note, that this code will be hit only for the pcie_suspend/resume
* case with 'deep_sleep' disabled, and will not get executed in
* the normal path either when 'deep_sleep' is enabled (default)
* or when 'deep_sleep' is disabled, because if 'deep_sleep' is
* disabled, then by definition, dongle will not send DS_ENTER_REQ
* except in the case of D0 -> D3 -> D0 transitions, which is what
* is being handled here.
*/
dhd_bus_inb_set_device_wake(bus, TRUE);
}
#endif /* DHD_EFI */
} else
#endif /* PCIE_INB_DW */
{
dhdpcie_send_mb_data(bus, H2D_HOST_DS_ACK);
DHD_PCIE_INFO(("D2H_MB_DATA: sent DEEP SLEEP ACK\n"));
}
}
if (d2h_mb_data & D2H_DEV_DS_EXIT_NOTE) {
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
if (bus->calc_ds_exit_latency) {
bus->ds_exit_ts2 = OSL_SYSUPTIME_US();
if (bus->ds_exit_ts2 > bus->ds_exit_ts1 &&
bus->ds_exit_ts1 != 0)
bus->ds_exit_latency = bus->ds_exit_ts2 - bus->ds_exit_ts1;
else
bus->ds_exit_latency = 0;
}
}
#endif /* PCIE_INB_DW */
/* what should we do */
DHD_PCIE_INFO(("D2H_MB_DATA: DEEP SLEEP EXIT\n"));
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
if (dhdpcie_bus_get_pcie_inband_dw_state(bus) ==
DW_DEVICE_DS_DISABLED_WAIT) {
/* wake up only if some one is waiting in
* DW_DEVICE_DS_DISABLED_WAIT state
* in this case the waiter will change the state
* to DW_DEVICE_DS_DEV_WAKE
*/
bus->inband_ds_exit_host_cnt++;
/* To synchronize with the previous memory operations call wmb() */
OSL_SMP_WMB();
bus->wait_for_ds_exit = 1;
/* Call another wmb() to make sure before waking up the
* other event value gets updated.
*/
OSL_SMP_WMB();
dhdpcie_bus_set_pcie_inband_dw_state(bus,
DW_DEVICE_DS_DEV_WAKE);
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
dhd_os_ds_exit_wake(bus->dhd);
} else if (dhdpcie_bus_get_pcie_inband_dw_state(bus) ==
DW_DEVICE_DS_DEV_SLEEP) {
DHD_PCIE_INFO(("recvd unsolicited DS-EXIT"
" from dongle in DEV_SLEEP\n"));
/*
* unsolicited state change to DW_DEVICE_DS_DEV_WAKE if
* D2H_DEV_DS_EXIT_NOTE received in DW_DEVICE_DS_DEV_SLEEP state.
* This is need when dongle is woken by external events like
* WOW, ping ..etc
*/
bus->inband_ds_exit_device_cnt++;
dhdpcie_bus_set_pcie_inband_dw_state(bus,
DW_DEVICE_DS_DEV_WAKE);
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
} else {
DHD_PCIE_INFO(("D2H_MB_DATA: not in"
" DS_DISABLED_WAIT/DS_DEV_SLEEP\n"));
bus->inband_ds_exit_host_cnt++;
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
}
/*
* bus->deep_sleep is TRUE by default. deep_sleep is set to FALSE when the
* dhd iovar deep_sleep is fired with value 0(user request to not enter
* deep sleep). So donot attempt to go to deep sleep when user has
* explicitly asked not to go to deep sleep. bus->deep_sleep is set to
* TRUE when the dhd iovar deep_sleep is fired with value 1.
*/
if (bus->deep_sleep) {
dhd_bus_set_device_wake(bus, FALSE);
dhdpcie_set_dongle_deepsleep(bus, FALSE);
}
}
#endif /* PCIE_INB_DW */
}
if (d2h_mb_data & D2HMB_DS_HOST_SLEEP_EXIT_ACK) {
/* what should we do */
DHD_PCIE_INFO(("D2H_MB_DATA: D0 ACK\n"));
#ifdef PCIE_INB_DW
if (INBAND_DW_ENAB(bus)) {
DHD_BUS_INB_DW_LOCK(bus->inb_lock, flags);
if (dhdpcie_bus_get_pcie_inband_dw_state(bus) ==
DW_DEVICE_HOST_WAKE_WAIT) {
dhdpcie_bus_set_pcie_inband_dw_state(bus, DW_DEVICE_DS_ACTIVE);
}
DHD_BUS_INB_DW_UNLOCK(bus->inb_lock, flags);
}
#endif /* PCIE_INB_DW */
}
if (d2h_mb_data & D2H_DEV_D3_ACK) {
/* what should we do */
DHD_INFO_HW4(("D2H_MB_DATA: D3 ACK\n"));
if (!bus->wait_for_d3_ack) {
#if defined(DHD_HANG_SEND_UP_TEST)
if (bus->dhd->req_hang_type == HANG_REASON_D3_ACK_TIMEOUT) {
DHD_ERROR(("TEST HANG: Skip to process D3 ACK\n"));
} else {
dhd_bus_handle_d3_ack(bus);
}
#else /* DHD_HANG_SEND_UP_TEST */
dhd_bus_handle_d3_ack(bus);
#endif /* DHD_HANG_SEND_UP_TEST */
}
}
exit:
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
}
static void
dhdpcie_handle_mb_data(dhd_bus_t *bus)
{
uint32 d2h_mb_data = 0;
uint32 zero = 0;
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
if (bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link is down\n", __FUNCTION__));
return;
}
dhd_bus_cmn_readshared(bus, &d2h_mb_data, D2H_MB_DATA, 0);
if (D2H_DEV_MB_INVALIDATED(d2h_mb_data)) {
DHD_ERROR(("%s: Invalid D2H_MB_DATA: 0x%08x\n",
__FUNCTION__, d2h_mb_data));
goto exit;
}
dhd_bus_cmn_writeshared(bus, &zero, sizeof(uint32), D2H_MB_DATA, 0);
DHD_INFO_HW4(("%s: D2H_MB_DATA: 0x%04x\n", __FUNCTION__, d2h_mb_data));
if (d2h_mb_data & D2H_DEV_FWHALT) {
DHD_ERROR(("FW trap has happened\n"));
dhdpcie_checkdied(bus, NULL, 0);
/* not ready yet dhd_os_ind_firmware_stall(bus->dhd); */
#ifdef BCM_ROUTER_DHD
dhdpcie_handle_dongle_trap(bus);
#endif
goto exit;
}
if (d2h_mb_data & D2H_DEV_DS_ENTER_REQ) {
/* what should we do */
DHD_PCIE_INFO(("%s: D2H_MB_DATA: DEEP SLEEP REQ\n", __FUNCTION__));
dhdpcie_send_mb_data(bus, H2D_HOST_DS_ACK);
DHD_PCIE_INFO(("%s: D2H_MB_DATA: sent DEEP SLEEP ACK\n", __FUNCTION__));
}
if (d2h_mb_data & D2H_DEV_DS_EXIT_NOTE) {
/* what should we do */
DHD_PCIE_INFO(("%s: D2H_MB_DATA: DEEP SLEEP EXIT\n", __FUNCTION__));
}
if (d2h_mb_data & D2H_DEV_D3_ACK) {
/* what should we do */
DHD_INFO_HW4(("%s: D2H_MB_DATA: D3 ACK\n", __FUNCTION__));
if (!bus->wait_for_d3_ack) {
#if defined(DHD_HANG_SEND_UP_TEST)
if (bus->dhd->req_hang_type == HANG_REASON_D3_ACK_TIMEOUT) {
DHD_ERROR(("TEST HANG: Skip to process D3 ACK\n"));
} else {
dhd_bus_handle_d3_ack(bus);
}
#else /* DHD_HANG_SEND_UP_TEST */
dhd_bus_handle_d3_ack(bus);
#endif /* DHD_HANG_SEND_UP_TEST */
}
}
exit:
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
}
static void
dhdpcie_read_handle_mb_data(dhd_bus_t *bus)
{
uint32 d2h_mb_data = 0;
uint32 zero = 0;
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
dhd_bus_cmn_readshared(bus, &d2h_mb_data, D2H_MB_DATA, 0);
if (!d2h_mb_data) {
goto exit;
}
dhd_bus_cmn_writeshared(bus, &zero, sizeof(uint32), D2H_MB_DATA, 0);
dhd_bus_handle_mb_data(bus, d2h_mb_data);
exit:
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
}
#define DHD_SCHED_RETRY_DPC_DELAY_MS 100u
static void
dhd_bus_handle_intx_ahead_dma_indices(dhd_bus_t *bus)
{
if (bus->d2h_intr_method == PCIE_MSI) {
DHD_PCIE_INFO(("%s: not required for msi\n", __FUNCTION__));
return;
}
if (bus->dhd->dma_d2h_ring_upd_support == FALSE) {
DHD_PCIE_INFO(("%s: not required for non-dma-indices\n", __FUNCTION__));
return;
}
if (dhd_query_bus_erros(bus->dhd)) {
return;
}
#ifndef NDIS
/*
* skip delayed dpc if tasklet is scheduled by non-ISR
* From ISR context, we disable IRQ and enable IRQ back at the end of dpc,
* hence if IRQ is not disabled we can consider it as scheduled from non-ISR context.
*/
if (dhdpcie_irq_disabled(bus) == FALSE) {
DHD_PCIE_INFO(("%s: skip delayed dpc as tasklet is scheduled from non isr\n",
__FUNCTION__));
return;
}
#endif /* NDIS */
if (DHD_CHK_BUS_LPS_D3_ACKED(bus)) {
DHD_PCIE_INFO(("%s: skip delayed dpc as d3 ack is received\n", __FUNCTION__));
return;
}
dhd_schedule_delayed_dpc_on_dpc_cpu(bus->dhd, DHD_SCHED_RETRY_DPC_DELAY_MS);
return;
}
static bool
dhdpcie_bus_process_mailbox_intr(dhd_bus_t *bus, uint32 intstatus)
{
bool resched = FALSE;
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
if ((bus->sih->buscorerev == 2) || (bus->sih->buscorerev == 6) ||
(bus->sih->buscorerev == 4)) {
/* Msg stream interrupt */
if (intstatus & I_BIT1) {
resched = dhdpci_bus_read_frames(bus);
} else if (intstatus & I_BIT0) {
/* do nothing for Now */
}
} else {
if (intstatus & (PCIE_MB_TOPCIE_FN0_0 | PCIE_MB_TOPCIE_FN0_1))
bus->api.handle_mb_data(bus);
/* The fact that we are here implies that dhdpcie_bus_intstatus( )
* retuned a non-zer0 status after applying the current mask.
* No further check required, in fact bus->instatus can be eliminated.
* Both bus->instatus, and bud->intdis are shared between isr and dpc.
*/
#ifdef DHD_PCIE_NATIVE_RUNTIMEPM
if (pm_runtime_get(dhd_bus_to_dev(bus)) >= 0) {
resched = dhdpci_bus_read_frames(bus);
pm_runtime_mark_last_busy(dhd_bus_to_dev(bus));
pm_runtime_put_autosuspend(dhd_bus_to_dev(bus));
}
#else
resched = dhdpci_bus_read_frames(bus);
#endif /* DHD_PCIE_NATIVE_RUNTIMEPM */
}
dhd_bus_handle_intx_ahead_dma_indices(bus);
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
return resched;
}
#if defined(DHD_H2D_LOG_TIME_SYNC)
static void
dhdpci_bus_rte_log_time_sync_poll(dhd_bus_t *bus)
{
unsigned long time_elapsed;
/* Poll for timeout value periodically */
if ((bus->dhd->busstate == DHD_BUS_DATA) &&
(bus->dhd->dhd_rte_time_sync_ms != 0) &&
DHD_CHK_BUS_NOT_IN_LPS(bus)) {
/*
* XXX OSL_SYSUPTIME_US() overflow should not happen.
* As it is a unsigned 64 bit value 18446744073709551616L,
* which needs 213503982334 days to overflow
*/
time_elapsed = OSL_SYSUPTIME_US() - bus->dhd_rte_time_sync_count;
/* Compare time is milli seconds */
if ((time_elapsed / 1000) >= bus->dhd->dhd_rte_time_sync_ms) {
/*
* Its fine, if it has crossed the timeout value. No need to adjust the
* elapsed time
*/
bus->dhd_rte_time_sync_count += time_elapsed;
/* Schedule deffered work. Work function will send IOVAR. */
dhd_h2d_log_time_sync_deferred_wq_schedule(bus->dhd);
}
}
}
#endif /* DHD_H2D_LOG_TIME_SYNC */
static bool
dhdpci_bus_read_frames(dhd_bus_t *bus)
{
bool more = FALSE;
/* First check if there a FW trap */
if ((bus->api.fw_rev >= PCIE_SHARED_VERSION_6) &&
(bus->dhd->dongle_trap_data = dhd_prot_process_trapbuf(bus->dhd))) {
#ifdef DNGL_AXI_ERROR_LOGGING
if (bus->dhd->axi_error) {
DHD_ERROR(("AXI Error happened\n"));
return FALSE;
}
#endif /* DNGL_AXI_ERROR_LOGGING */
dhd_bus_handle_mb_data(bus, D2H_DEV_FWHALT);
return FALSE;
}
if (dhd_query_bus_erros(bus->dhd)) {
DHD_ERROR(("%s: detected bus errors. Hence donot process msg rings\n",
__FUNCTION__));
return FALSE;
}
#ifdef DHD_DMA_INDICES_SEQNUM
dhd_prot_save_dmaidx(bus->dhd);
#endif /* DHD_DMA_INDICES_SEQNUM */
/* There may be frames in both ctrl buf and data buf; check ctrl buf first */
dhd_prot_process_ctrlbuf(bus->dhd);
bus->last_process_ctrlbuf_time = OSL_LOCALTIME_NS();
/* Do not process rest of ring buf once bus enters low power state (D3_INFORM/D3_ACK) */
if (DHD_CHK_BUS_IN_LPS(bus)) {
DHD_ERROR(("%s: Bus is in power save state (%d). "
"Skip processing rest of ring buffers.\n",
__FUNCTION__, bus->bus_low_power_state));
return FALSE;
}
/* update the flow ring cpls */
dhd_update_txflowrings(bus->dhd);
bus->last_process_flowring_time = OSL_LOCALTIME_NS();
/* With heavy TX traffic, we could get a lot of TxStatus
* so add bound
*/
#ifdef DHD_HP2P
more |= dhd_prot_process_msgbuf_txcpl(bus->dhd, dhd_txbound, DHD_HP2P_RING);
#endif /* DHD_HP2P */
more |= dhd_prot_process_msgbuf_txcpl(bus->dhd, dhd_txbound, DHD_REGULAR_RING);
bus->last_process_txcpl_time = OSL_LOCALTIME_NS();
/* With heavy RX traffic, this routine potentially could spend some time
* processing RX frames without RX bound
*/
#ifdef DHD_HP2P
more |= dhd_prot_process_msgbuf_rxcpl(bus->dhd, dhd_rxbound, DHD_HP2P_RING);
#endif /* DHD_HP2P */
more |= dhd_prot_process_msgbuf_rxcpl(bus->dhd, dhd_rxbound, DHD_REGULAR_RING);
bus->last_process_rxcpl_time = OSL_LOCALTIME_NS();
/* Process info ring completion messages */
#ifdef EWP_EDL
if (!bus->dhd->dongle_edl_support)
#endif
{
more |= dhd_prot_process_msgbuf_infocpl(bus->dhd, DHD_INFORING_BOUND);
bus->last_process_infocpl_time = OSL_LOCALTIME_NS();
}
#ifdef EWP_EDL
else {
more |= dhd_prot_process_msgbuf_edl(bus->dhd);
bus->last_process_edl_time = OSL_LOCALTIME_NS();
}
#endif /* EWP_EDL */
#ifdef BCMINTERNAL
#ifdef DHD_FWTRACE
/* Handle the firmware trace data in the logtrace kernel thread */
dhd_event_logtrace_enqueue_fwtrace(bus->dhd);
#endif /* DHD_FWTRACE */
#endif /* BCMINTERNAL */
#ifdef BTLOG
/* Process info ring completion messages */
more |= dhd_prot_process_msgbuf_btlogcpl(bus->dhd, DHD_BTLOGRING_BOUND);
#endif /* BTLOG */
#ifdef IDLE_TX_FLOW_MGMT
if (bus->enable_idle_flowring_mgmt) {
/* Look for idle flow rings */
dhd_bus_check_idle_scan(bus);
}
#endif /* IDLE_TX_FLOW_MGMT */
/* don't talk to the dongle if fw is about to be reloaded */
if (bus->dhd->hang_was_sent) {
more = FALSE;
}
#ifdef SUPPORT_LINKDOWN_RECOVERY
/* XXX : It seems that linkdown is occurred without notification,
* In case read shared memory failed, recovery hang is needed
*/
if (bus->read_shm_fail) {
/* Read interrupt state once again to confirm linkdown */
int intstatus = si_corereg(bus->sih, bus->sih->buscoreidx,
bus->pcie_mailbox_int, 0, 0);
if (intstatus != (uint32)-1) {
DHD_ERROR(("%s: read SHM failed but intstatus is valid\n", __FUNCTION__));
#ifdef DHD_FW_COREDUMP
if (bus->dhd->memdump_enabled) {
DHD_OS_WAKE_LOCK(bus->dhd);
bus->dhd->memdump_type = DUMP_TYPE_READ_SHM_FAIL;
dhd_bus_mem_dump(bus->dhd);
DHD_OS_WAKE_UNLOCK(bus->dhd);
}
#endif /* DHD_FW_COREDUMP */
} else {
DHD_ERROR(("%s: Link is Down.\n", __FUNCTION__));
#ifdef CONFIG_ARCH_MSM
bus->no_cfg_restore = 1;
#endif /* CONFIG_ARCH_MSM */
bus->is_linkdown = 1;
}
/* XXX The dhd_prot_debug_info_print() function *has* to be
* invoked only if the bus->is_linkdown is updated so that
* host doesn't need to read any pcie registers if
* PCIe link is down.
*/
dhd_prot_debug_info_print(bus->dhd);
bus->dhd->hang_reason = HANG_REASON_PCIE_LINK_DOWN_EP_DETECT;
#ifdef WL_CFGVENDOR_SEND_HANG_EVENT
copy_hang_info_linkdown(bus->dhd);
#endif /* WL_CFGVENDOR_SEND_HANG_EVENT */
dhd_os_send_hang_message(bus->dhd);
more = FALSE;
}
#endif /* SUPPORT_LINKDOWN_RECOVERY */
#if defined(DHD_H2D_LOG_TIME_SYNC)
dhdpci_bus_rte_log_time_sync_poll(bus);
#endif /* DHD_H2D_LOG_TIME_SYNC */
return more;
}
bool
dhdpcie_tcm_valid(dhd_bus_t *bus)
{
uint32 addr = 0;
int rv;
uint32 shaddr = 0;
pciedev_shared_t sh;
shaddr = bus->dongle_ram_base + bus->ramsize - 4;
/* Read last word in memory to determine address of pciedev_shared structure */
addr = LTOH32(dhdpcie_bus_rtcm32(bus, shaddr));
if ((addr == 0) || (addr == bus->nvram_csm) || (addr < bus->dongle_ram_base) ||
(addr > shaddr)) {
DHD_ERROR(("%s: address (0x%08x) of pciedev_shared invalid addr\n",
__FUNCTION__, addr));
return FALSE;
}
/* Read hndrte_shared structure */
if ((rv = dhdpcie_bus_membytes(bus, FALSE, addr, (uint8 *)&sh,
sizeof(pciedev_shared_t))) < 0) {
DHD_ERROR(("Failed to read PCIe shared struct with %d\n", rv));
return FALSE;
}
/* Compare any field in pciedev_shared_t */
if (sh.console_addr != bus->pcie_sh->console_addr) {
DHD_ERROR(("Contents of pciedev_shared_t structure are not matching.\n"));
return FALSE;
}
return TRUE;
}
static void
dhdpcie_update_bus_api_revisions(uint32 firmware_api_version, uint32 host_api_version)
{
snprintf(bus_api_revision, BUS_API_REV_STR_LEN, "\nBus API revisions:(FW rev%d)(DHD rev%d)",
firmware_api_version, host_api_version);
return;
}
static bool
dhdpcie_check_firmware_compatible(uint32 firmware_api_version, uint32 host_api_version)
{
bool retcode = FALSE;
DHD_INFO(("firmware api revision %d, host api revision %d\n",
firmware_api_version, host_api_version));
switch (firmware_api_version) {
case PCIE_SHARED_VERSION_7:
case PCIE_SHARED_VERSION_6:
case PCIE_SHARED_VERSION_5:
retcode = TRUE;
break;
default:
if (firmware_api_version <= host_api_version)
retcode = TRUE;
}
return retcode;
}
static int
dhdpcie_readshared(dhd_bus_t *bus)
{
uint32 addr = 0;
int rv, dma_indx_wr_buf, dma_indx_rd_buf;
uint32 shaddr = 0;
pciedev_shared_t *sh = bus->pcie_sh;
dhd_timeout_t tmo;
bool idma_en = FALSE;
#if defined(PCIE_INB_DW)
bool d2h_inband_dw = FALSE;
#endif /* defined(PCIE_INB_DW) */
#if defined(PCIE_OOB)
bool d2h_no_oob_dw = FALSE;
#endif /* defined(PCIE_INB_DW) */
uint32 timeout = MAX_READ_TIMEOUT;
uint32 elapsed;
#ifndef CUSTOMER_HW4_DEBUG
uint32 intstatus;
#endif /* OEM_ANDROID */
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
shaddr = bus->dongle_ram_base + bus->ramsize - 4;
#ifdef BCMSLTGT
#ifdef BCMQT_HW
if (qt_dngl_timeout) {
timeout = qt_dngl_timeout * 1000;
}
#endif /* BCMQT_HW */
DHD_ERROR(("%s: host timeout in QT/FPGA mode %ld ms\n",
__FUNCTION__, (timeout * htclkratio) / USEC_PER_MSEC));
#endif /* BCMSLTGT */
/* start a timer for 5 seconds */
dhd_timeout_start(&tmo, timeout);
while (((addr == 0) || (addr == bus->nvram_csm)) && !dhd_timeout_expired(&tmo)) {
/* Read last word in memory to determine address of pciedev_shared structure */
addr = LTOH32(dhdpcie_bus_rtcm32(bus, shaddr));
#ifdef BCMINTERNAL
#ifdef DHD_FWTRACE
/*
* FW might fill all trace buffers even before full DHD/FW initialization.
* poll for trace buffers to avoid circular buffer overflow.
*/
process_fw_trace_data(bus->dhd);
#endif /* DHD_FWTRACE */
#endif /* BCMINTERNAL */
}
if (addr == (uint32)-1) {
DHD_ERROR(("%s: ##### pciedev shared address is 0xffffffff ####\n", __FUNCTION__));
#ifdef SUPPORT_LINKDOWN_RECOVERY
#ifdef CONFIG_ARCH_MSM
bus->no_cfg_restore = 1;
#endif /* CONFIG_ARCH_MSM */
#endif /* SUPPORT_LINKDOWN_RECOVERY */
#ifdef CUSTOMER_HW4_DEBUG
bus->is_linkdown = 1;
DHD_ERROR(("%s : PCIe link might be down\n", __FUNCTION__));
#else
dhd_bus_dump_imp_cfg_registers(bus);
dhd_bus_dump_dar_registers(bus);
/* Check the PCIe link status by reading intstatus register */
intstatus = si_corereg(bus->sih,
bus->sih->buscoreidx, bus->pcie_mailbox_int, 0, 0);
if (intstatus == (uint32)-1) {
DHD_ERROR(("%s : PCIe link might be down\n", __FUNCTION__));
bus->is_linkdown = TRUE;
} else {
#if defined(DHD_FW_COREDUMP)
/* save core dump or write to a file */
if (bus->dhd->memdump_enabled) {
/* since dhdpcie_readshared() is invoked only during init or trap */
bus->dhd->memdump_type = bus->dhd->dongle_trap_data ?
DUMP_TYPE_DONGLE_TRAP : DUMP_TYPE_DONGLE_INIT_FAILURE;
dhdpcie_mem_dump(bus);
}
#endif /* DHD_FW_COREDUMP */
}
#endif /* CUSTOMER_HW4_DEBUG */
return BCME_ERROR;
}
if ((addr == 0) || (addr == bus->nvram_csm) || (addr < bus->dongle_ram_base) ||
(addr > shaddr)) {
elapsed = tmo.elapsed;
#ifdef BCMSLTGT
elapsed *= htclkratio;
#endif /* BCMSLTGT */
DHD_ERROR(("%s: address (0x%08x) of pciedev_shared invalid\n",
__FUNCTION__, addr));
DHD_ERROR(("%s: Waited %u usec, dongle is not ready\n", __FUNCTION__, tmo.elapsed));
#ifdef DEBUG_DNGL_INIT_FAIL
if (addr != (uint32)-1) { /* skip further PCIE reads if read this addr */
#ifdef CUSTOMER_HW4_DEBUG
bus->dhd->memdump_enabled = DUMP_MEMONLY;
#endif /* CUSTOMER_HW4_DEBUG */
if (bus->dhd->memdump_enabled) {
bus->dhd->memdump_type = DUMP_TYPE_DONGLE_INIT_FAILURE;
dhdpcie_mem_dump(bus);
}
}
#endif /* DEBUG_DNGL_INIT_FAIL */
#if defined(NDIS)
/* This is a very common code path to catch f/w init failures.
Capture a socram dump.
*/
ASSERT(0);
#endif /* defined(NDIS) */
return BCME_ERROR;
} else {
bus->rd_shared_pass_time = OSL_LOCALTIME_NS();
elapsed = tmo.elapsed;
#ifdef BCMSLTGT
elapsed *= htclkratio;
#endif /* BCMSLTGT */
bus->shared_addr = (ulong)addr;
DHD_ERROR(("### Total time ARM OOR to Readshared pass took %llu usec ###\n",
DIV_U64_BY_U32((bus->rd_shared_pass_time - bus->arm_oor_time),
NSEC_PER_USEC)));
DHD_ERROR(("%s: PCIe shared addr (0x%08x) read took %u usec "
"before dongle is ready\n", __FUNCTION__, addr, elapsed));
}
#ifdef DHD_EFI
bus->dhd->pcie_readshared_done = 1;
#endif
/* Read hndrte_shared structure */
if ((rv = dhdpcie_bus_membytes(bus, FALSE, addr, (uint8 *)sh,
sizeof(pciedev_shared_t))) < 0) {
DHD_ERROR(("%s: Failed to read PCIe shared struct with %d\n", __FUNCTION__, rv));
return rv;
}
/* Endianness */
sh->flags = ltoh32(sh->flags);
sh->trap_addr = ltoh32(sh->trap_addr);
sh->assert_exp_addr = ltoh32(sh->assert_exp_addr);
sh->assert_file_addr = ltoh32(sh->assert_file_addr);
sh->assert_line = ltoh32(sh->assert_line);
sh->console_addr = ltoh32(sh->console_addr);
sh->msgtrace_addr = ltoh32(sh->msgtrace_addr);
sh->dma_rxoffset = ltoh32(sh->dma_rxoffset);
sh->rings_info_ptr = ltoh32(sh->rings_info_ptr);
sh->flags2 = ltoh32(sh->flags2);
/* load bus console address */
bus->console_addr = sh->console_addr;
/* Read the dma rx offset */
bus->dma_rxoffset = bus->pcie_sh->dma_rxoffset;
dhd_prot_rx_dataoffset(bus->dhd, bus->dma_rxoffset);
DHD_INFO(("%s: DMA RX offset from shared Area %d\n", __FUNCTION__, bus->dma_rxoffset));
bus->api.fw_rev = sh->flags & PCIE_SHARED_VERSION_MASK;
if (!(dhdpcie_check_firmware_compatible(bus->api.fw_rev, PCIE_SHARED_VERSION)))
{
DHD_ERROR(("%s: pcie_shared version %d in dhd "
"is older than pciedev_shared version %d in dongle\n",
__FUNCTION__, PCIE_SHARED_VERSION,
bus->api.fw_rev));
return BCME_ERROR;
}
dhdpcie_update_bus_api_revisions(bus->api.fw_rev, PCIE_SHARED_VERSION);
bus->rw_index_sz = (sh->flags & PCIE_SHARED_2BYTE_INDICES) ?
sizeof(uint16) : sizeof(uint32);
DHD_INFO(("%s: Dongle advertizes %d size indices\n",
__FUNCTION__, bus->rw_index_sz));
#ifdef IDLE_TX_FLOW_MGMT
if (sh->flags & PCIE_SHARED_IDLE_FLOW_RING) {
DHD_ERROR(("%s: FW Supports IdleFlow ring managment!\n",
__FUNCTION__));
bus->enable_idle_flowring_mgmt = TRUE;
}
#endif /* IDLE_TX_FLOW_MGMT */
#ifdef PCIE_OOB
bus->dhd->d2h_no_oob_dw = (sh->flags & PCIE_SHARED_NO_OOB_DW) ? TRUE : FALSE;
d2h_no_oob_dw = bus->dhd->d2h_no_oob_dw;
#endif /* PCIE_OOB */
#ifdef PCIE_INB_DW
bus->dhd->d2h_inband_dw = (sh->flags & PCIE_SHARED_INBAND_DS) ? TRUE : FALSE;
d2h_inband_dw = bus->dhd->d2h_inband_dw;
#endif /* PCIE_INB_DW */
#if defined(PCIE_INB_DW)
DHD_ERROR(("FW supports Inband dw ? %s\n",
d2h_inband_dw ? "Y":"N"));
#endif /* defined(PCIE_INB_DW) */
#if defined(PCIE_OOB)
DHD_ERROR(("FW supports oob dw ? %s\n",
d2h_no_oob_dw ? "N":"Y"));
#endif /* defined(PCIE_OOB) */
if (IDMA_CAPABLE(bus)) {
if (bus->sih->buscorerev == 23) {
#ifdef PCIE_INB_DW
if (bus->dhd->d2h_inband_dw)
{
idma_en = TRUE;
}
#endif /* PCIE_INB_DW */
} else {
idma_en = TRUE;
}
}
if (idma_en) {
bus->dhd->idma_enable = (sh->flags & PCIE_SHARED_IDMA) ? TRUE : FALSE;
bus->dhd->ifrm_enable = (sh->flags & PCIE_SHARED_IFRM) ? TRUE : FALSE;
}
bus->dhd->d2h_sync_mode = sh->flags & PCIE_SHARED_D2H_SYNC_MODE_MASK;
bus->dhd->dar_enable = (sh->flags & PCIE_SHARED_DAR) ? TRUE : FALSE;
/* Does the FW support DMA'ing r/w indices */
if (sh->flags & PCIE_SHARED_DMA_INDEX) {
if (!bus->dhd->dma_ring_upd_overwrite) {
#if defined(BCM_ROUTER_DHD)
/* Router platform does not use IOV_DMA_RINGINDICES */
if (sh->flags & PCIE_SHARED_2BYTE_INDICES)
#endif /* BCM_ROUTER_DHD */
{
if (!IFRM_ENAB(bus->dhd)) {
bus->dhd->dma_h2d_ring_upd_support = TRUE;
}
bus->dhd->dma_d2h_ring_upd_support = TRUE;
}
}
if (bus->dhd->dma_d2h_ring_upd_support && bus->dhd->d2h_sync_mode) {
DHD_ERROR(("%s: ERROR COMBO: sync (0x%x) enabled for DMA indices\n",
__FUNCTION__, bus->dhd->d2h_sync_mode));
}
DHD_INFO(("%s: Host support DMAing indices: H2D:%d - D2H:%d. FW supports it\n",
__FUNCTION__,
(bus->dhd->dma_h2d_ring_upd_support ? 1 : 0),
(bus->dhd->dma_d2h_ring_upd_support ? 1 : 0)));
} else if (!(sh->flags & PCIE_SHARED_D2H_SYNC_MODE_MASK)) {
DHD_ERROR(("%s FW has to support either dma indices or d2h sync\n",
__FUNCTION__));
return BCME_UNSUPPORTED;
} else {
bus->dhd->dma_h2d_ring_upd_support = FALSE;
bus->dhd->dma_d2h_ring_upd_support = FALSE;
}
/* Does the firmware support fast delete ring? */
if (sh->flags2 & PCIE_SHARED2_FAST_DELETE_RING) {
DHD_INFO(("%s: Firmware supports fast delete ring\n",
__FUNCTION__));
bus->dhd->fast_delete_ring_support = TRUE;
} else {
DHD_INFO(("%s: Firmware does not support fast delete ring\n",
__FUNCTION__));
bus->dhd->fast_delete_ring_support = FALSE;
}
/* get ring_info, ring_state and mb data ptrs and store the addresses in bus structure */
{
ring_info_t ring_info;
/* boundary check */
if ((sh->rings_info_ptr < bus->dongle_ram_base) || (sh->rings_info_ptr > shaddr)) {
DHD_ERROR(("%s: rings_info_ptr is invalid 0x%x, skip reading ring info\n",
__FUNCTION__, sh->rings_info_ptr));
return BCME_ERROR;
}
if ((rv = dhdpcie_bus_membytes(bus, FALSE, sh->rings_info_ptr,
(uint8 *)&ring_info, sizeof(ring_info_t))) < 0)
return rv;
bus->h2d_mb_data_ptr_addr = ltoh32(sh->h2d_mb_data_ptr);
bus->d2h_mb_data_ptr_addr = ltoh32(sh->d2h_mb_data_ptr);
if (bus->api.fw_rev >= PCIE_SHARED_VERSION_6) {
bus->max_tx_flowrings = ltoh16(ring_info.max_tx_flowrings);
bus->max_submission_rings = ltoh16(ring_info.max_submission_queues);
bus->max_completion_rings = ltoh16(ring_info.max_completion_rings);
bus->max_cmn_rings = bus->max_submission_rings - bus->max_tx_flowrings;
bus->api.handle_mb_data = dhdpcie_read_handle_mb_data;
bus->use_mailbox = sh->flags & PCIE_SHARED_USE_MAILBOX;
}
else {
bus->max_tx_flowrings = ltoh16(ring_info.max_tx_flowrings);
bus->max_submission_rings = bus->max_tx_flowrings;
bus->max_completion_rings = BCMPCIE_D2H_COMMON_MSGRINGS;
bus->max_cmn_rings = BCMPCIE_H2D_COMMON_MSGRINGS;
bus->api.handle_mb_data = dhdpcie_handle_mb_data;
bus->use_mailbox = TRUE;
}
if (bus->max_completion_rings == 0) {
DHD_ERROR(("dongle completion rings are invalid %d\n",
bus->max_completion_rings));
return BCME_ERROR;
}
if (bus->max_submission_rings == 0) {
DHD_ERROR(("dongle submission rings are invalid %d\n",
bus->max_submission_rings));
return BCME_ERROR;
}
if (bus->max_tx_flowrings == 0) {
DHD_ERROR(("dongle txflow rings are invalid %d\n", bus->max_tx_flowrings));
return BCME_ERROR;
}
/* If both FW and Host support DMA'ing indices, allocate memory and notify FW
* The max_sub_queues is read from FW initialized ring_info
*/
if (bus->dhd->dma_h2d_ring_upd_support || IDMA_ENAB(bus->dhd)) {
dma_indx_wr_buf = dhd_prot_dma_indx_init(bus->dhd, bus->rw_index_sz,
H2D_DMA_INDX_WR_BUF, bus->max_submission_rings);
dma_indx_rd_buf = dhd_prot_dma_indx_init(bus->dhd, bus->rw_index_sz,
D2H_DMA_INDX_RD_BUF, bus->max_completion_rings);
if ((dma_indx_wr_buf != BCME_OK) || (dma_indx_rd_buf != BCME_OK)) {
DHD_ERROR(("%s: Failed to allocate memory for dma'ing h2d indices"
"Host will use w/r indices in TCM\n",
__FUNCTION__));
bus->dhd->dma_h2d_ring_upd_support = FALSE;
bus->dhd->idma_enable = FALSE;
}
}
if (bus->dhd->dma_d2h_ring_upd_support) {
dma_indx_wr_buf = dhd_prot_dma_indx_init(bus->dhd, bus->rw_index_sz,
D2H_DMA_INDX_WR_BUF, bus->max_completion_rings);
dma_indx_rd_buf = dhd_prot_dma_indx_init(bus->dhd, bus->rw_index_sz,
H2D_DMA_INDX_RD_BUF, bus->max_submission_rings);
if ((dma_indx_wr_buf != BCME_OK) || (dma_indx_rd_buf != BCME_OK)) {
DHD_ERROR(("%s: Failed to allocate memory for dma'ing d2h indices"
"Host will use w/r indices in TCM\n",
__FUNCTION__));
bus->dhd->dma_d2h_ring_upd_support = FALSE;
}
}
#ifdef DHD_DMA_INDICES_SEQNUM
if (bus->dhd->dma_d2h_ring_upd_support) {
uint32 bufsz = bus->rw_index_sz * bus->max_completion_rings;
if (dhd_prot_dma_indx_copybuf_init(bus->dhd, bufsz, D2H_DMA_INDX_WR_BUF)
!= BCME_OK) {
return BCME_NOMEM;
}
bufsz = bus->rw_index_sz * bus->max_submission_rings;
if (dhd_prot_dma_indx_copybuf_init(bus->dhd, bufsz, H2D_DMA_INDX_RD_BUF)
!= BCME_OK) {
return BCME_NOMEM;
}
}
#endif /* DHD_DMA_INDICES_SEQNUM */
if (IFRM_ENAB(bus->dhd)) {
dma_indx_wr_buf = dhd_prot_dma_indx_init(bus->dhd, bus->rw_index_sz,
H2D_IFRM_INDX_WR_BUF, bus->max_tx_flowrings);
if (dma_indx_wr_buf != BCME_OK) {
DHD_ERROR(("%s: Failed to alloc memory for Implicit DMA\n",
__FUNCTION__));
bus->dhd->ifrm_enable = FALSE;
}
}
/* read ringmem and ringstate ptrs from shared area and store in host variables */
dhd_fillup_ring_sharedptr_info(bus, &ring_info);
if (dhd_msg_level & DHD_INFO_VAL) {
bcm_print_bytes("ring_info_raw", (uchar *)&ring_info, sizeof(ring_info_t));
}
DHD_INFO(("%s: ring_info\n", __FUNCTION__));
DHD_ERROR(("%s: max H2D queues %d\n",
__FUNCTION__, ltoh16(ring_info.max_tx_flowrings)));
DHD_INFO(("mail box address\n"));
DHD_INFO(("%s: h2d_mb_data_ptr_addr 0x%04x\n",
__FUNCTION__, bus->h2d_mb_data_ptr_addr));
DHD_INFO(("%s: d2h_mb_data_ptr_addr 0x%04x\n",
__FUNCTION__, bus->d2h_mb_data_ptr_addr));
}
DHD_INFO(("%s: d2h_sync_mode 0x%08x\n",
__FUNCTION__, bus->dhd->d2h_sync_mode));
bus->dhd->d2h_hostrdy_supported =
((sh->flags & PCIE_SHARED_HOSTRDY_SUPPORT) == PCIE_SHARED_HOSTRDY_SUPPORT);
bus->dhd->ext_trap_data_supported =
((sh->flags2 & PCIE_SHARED2_EXTENDED_TRAP_DATA) == PCIE_SHARED2_EXTENDED_TRAP_DATA);
if ((sh->flags2 & PCIE_SHARED2_TXSTATUS_METADATA) == 0)
bus->dhd->pcie_txs_metadata_enable = 0;
if (sh->flags2 & PCIE_SHARED2_TRAP_ON_HOST_DB7) {
memset(&bus->dhd->db7_trap, 0, sizeof(bus->dhd->db7_trap));
bus->dhd->db7_trap.fw_db7w_trap = 1;
/* add an option to let the user select ?? */
bus->dhd->db7_trap.db7_magic_number = PCIE_DB7_MAGIC_NUMBER_DPC_TRAP;
}
#ifdef BTLOG
bus->dhd->bt_logging = (sh->flags2 & PCIE_SHARED2_BT_LOGGING) ? TRUE : FALSE;
/* XXX: WAR is needed for dongle with BTLOG to be backwards compatible with existing DHD.
* The issue is that existing DHD doesn't not compute the INFO cmpl ringid correctly once
* BTLOG dongle increases the max_submission_rings resulting in overwritting ring in the
* dongle. When dongle enables submit_count_WAR, it implies that the sumbit ring has be
* incremented in the dongle but will not be reflected in max_submission_rings.
*/
bus->dhd->submit_count_WAR = (sh->flags2 & PCIE_SHARED2_SUBMIT_COUNT_WAR) ? TRUE : FALSE;
DHD_ERROR(("FW supports BT logging ? %s \n", bus->dhd->bt_logging ? "Y" : "N"));
#endif /* BTLOG */
#ifdef SNAPSHOT_UPLOAD
bus->dhd->snapshot_upload = (sh->flags2 & PCIE_SHARED2_SNAPSHOT_UPLOAD) ? TRUE : FALSE;
DHD_ERROR(("FW supports snapshot upload ? %s \n", bus->dhd->snapshot_upload ? "Y" : "N"));
#endif /* SNAPSHOT_UPLOAD */
#ifdef D2H_MINIDUMP
bus->d2h_minidump = (sh->flags2 & PCIE_SHARED2_FW_SMALL_MEMDUMP) ? TRUE : FALSE;
DHD_ERROR(("FW supports minidump ? %s \n", bus->d2h_minidump ? "Y" : "N"));
if (bus->d2h_minidump_override) {
bus->d2h_minidump = FALSE;
}
DHD_ERROR(("d2h_minidump: %d d2h_minidump_override: %d\n",
bus->d2h_minidump, bus->d2h_minidump_override));
#endif /* D2H_MINIDUMP */
bus->dhd->hscb_enable =
(sh->flags2 & PCIE_SHARED2_HSCB) == PCIE_SHARED2_HSCB;
#ifdef EWP_EDL
if (host_edl_support) {
bus->dhd->dongle_edl_support = (sh->flags2 & PCIE_SHARED2_EDL_RING) ? TRUE : FALSE;
DHD_ERROR(("Dongle EDL support: %u\n", bus->dhd->dongle_edl_support));
}
#endif /* EWP_EDL */
bus->dhd->debug_buf_dest_support =
(sh->flags2 & PCIE_SHARED2_DEBUG_BUF_DEST) ? TRUE : FALSE;
DHD_ERROR(("FW supports debug buf dest ? %s \n",
bus->dhd->debug_buf_dest_support ? "Y" : "N"));
#ifdef DHD_HP2P
if (bus->dhd->hp2p_enable) {
bus->dhd->hp2p_ts_capable =
(sh->flags2 & PCIE_SHARED2_PKT_TIMESTAMP) == PCIE_SHARED2_PKT_TIMESTAMP;
bus->dhd->hp2p_capable =
(sh->flags2 & PCIE_SHARED2_HP2P) == PCIE_SHARED2_HP2P;
bus->dhd->hp2p_capable |= bus->dhd->hp2p_ts_capable;
DHD_ERROR(("FW supports HP2P ? %s\n",
bus->dhd->hp2p_capable ? "Y" : "N"));
if (bus->dhd->hp2p_capable) {
bus->dhd->pkt_thresh = HP2P_PKT_THRESH;
bus->dhd->pkt_expiry = HP2P_PKT_EXPIRY;
bus->dhd->time_thresh = HP2P_TIME_THRESH;
for (addr = 0; addr < MAX_HP2P_FLOWS; addr++) {
hp2p_info_t *hp2p_info = &bus->dhd->hp2p_info[addr];
hp2p_info->hrtimer_init = FALSE;
hrtimer_init(&hp2p_info->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
hp2p_info->timer.function = &dhd_hp2p_write;
}
}
}
#endif /* DHD_HP2P */
#ifdef DHD_DB0TS
bus->dhd->db0ts_capable =
(sh->flags & PCIE_SHARED_TIMESTAMP_DB0) == PCIE_SHARED_TIMESTAMP_DB0;
#endif /* DHD_DB0TS */
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
/*
* WAR to fix ARM cold boot;
* De-assert WL domain in DAR
*/
if (bus->sih->buscorerev >= 68) {
dhd_bus_pcie_pwr_req_wl_domain(bus,
DAR_PCIE_PWR_CTRL((bus->sih)->buscorerev), FALSE);
}
}
return BCME_OK;
} /* dhdpcie_readshared */
/** Read ring mem and ring state ptr info from shared memory area in device memory */
static void
dhd_fillup_ring_sharedptr_info(dhd_bus_t *bus, ring_info_t *ring_info)
{
uint16 i = 0;
uint16 j = 0;
uint32 tcm_memloc;
uint32 d2h_w_idx_ptr, d2h_r_idx_ptr, h2d_w_idx_ptr, h2d_r_idx_ptr;
uint16 max_tx_flowrings = bus->max_tx_flowrings;
/* Ring mem ptr info */
/* Alloated in the order
H2D_MSGRING_CONTROL_SUBMIT 0
H2D_MSGRING_RXPOST_SUBMIT 1
D2H_MSGRING_CONTROL_COMPLETE 2
D2H_MSGRING_TX_COMPLETE 3
D2H_MSGRING_RX_COMPLETE 4
*/
{
/* ringmemptr holds start of the mem block address space */
tcm_memloc = ltoh32(ring_info->ringmem_ptr);
/* Find out ringmem ptr for each ring common ring */
for (i = 0; i <= BCMPCIE_COMMON_MSGRING_MAX_ID; i++) {
bus->ring_sh[i].ring_mem_addr = tcm_memloc;
/* Update mem block */
tcm_memloc = tcm_memloc + sizeof(ring_mem_t);
DHD_INFO(("%s: ring id %d ring mem addr 0x%04x \n", __FUNCTION__,
i, bus->ring_sh[i].ring_mem_addr));
}
}
/* Ring state mem ptr info */
{
d2h_w_idx_ptr = ltoh32(ring_info->d2h_w_idx_ptr);
d2h_r_idx_ptr = ltoh32(ring_info->d2h_r_idx_ptr);
h2d_w_idx_ptr = ltoh32(ring_info->h2d_w_idx_ptr);
h2d_r_idx_ptr = ltoh32(ring_info->h2d_r_idx_ptr);
/* Store h2d common ring write/read pointers */
for (i = 0; i < BCMPCIE_H2D_COMMON_MSGRINGS; i++) {
bus->ring_sh[i].ring_state_w = h2d_w_idx_ptr;
bus->ring_sh[i].ring_state_r = h2d_r_idx_ptr;
/* update mem block */
h2d_w_idx_ptr = h2d_w_idx_ptr + bus->rw_index_sz;
h2d_r_idx_ptr = h2d_r_idx_ptr + bus->rw_index_sz;
DHD_INFO(("%s: h2d w/r : idx %d write %x read %x \n", __FUNCTION__, i,
bus->ring_sh[i].ring_state_w, bus->ring_sh[i].ring_state_r));
}
/* Store d2h common ring write/read pointers */
for (j = 0; j < BCMPCIE_D2H_COMMON_MSGRINGS; j++, i++) {
bus->ring_sh[i].ring_state_w = d2h_w_idx_ptr;
bus->ring_sh[i].ring_state_r = d2h_r_idx_ptr;
/* update mem block */
d2h_w_idx_ptr = d2h_w_idx_ptr + bus->rw_index_sz;
d2h_r_idx_ptr = d2h_r_idx_ptr + bus->rw_index_sz;
DHD_INFO(("%s: d2h w/r : idx %d write %x read %x \n", __FUNCTION__, i,
bus->ring_sh[i].ring_state_w, bus->ring_sh[i].ring_state_r));
}
/* Store txflow ring write/read pointers */
if (bus->api.fw_rev < PCIE_SHARED_VERSION_6) {
max_tx_flowrings -= BCMPCIE_H2D_COMMON_MSGRINGS;
} else {
/* Account for Debug info h2d ring located after the last tx flow ring */
max_tx_flowrings = max_tx_flowrings + 1;
}
for (j = 0; j < max_tx_flowrings; i++, j++)
{
bus->ring_sh[i].ring_state_w = h2d_w_idx_ptr;
bus->ring_sh[i].ring_state_r = h2d_r_idx_ptr;
/* update mem block */
h2d_w_idx_ptr = h2d_w_idx_ptr + bus->rw_index_sz;
h2d_r_idx_ptr = h2d_r_idx_ptr + bus->rw_index_sz;
DHD_INFO(("%s: FLOW Rings h2d w/r : idx %d write %x read %x \n",
__FUNCTION__, i,
bus->ring_sh[i].ring_state_w,
bus->ring_sh[i].ring_state_r));
}
#ifdef DHD_HP2P
/* store wr/rd pointers for debug info completion or EDL ring and hp2p rings */
for (j = 0; j <= MAX_HP2P_CMPL_RINGS; i++, j++) {
bus->ring_sh[i].ring_state_w = d2h_w_idx_ptr;
bus->ring_sh[i].ring_state_r = d2h_r_idx_ptr;
d2h_w_idx_ptr = d2h_w_idx_ptr + bus->rw_index_sz;
d2h_r_idx_ptr = d2h_r_idx_ptr + bus->rw_index_sz;
DHD_INFO(("d2h w/r : idx %d write %x read %x \n", i,
bus->ring_sh[i].ring_state_w,
bus->ring_sh[i].ring_state_r));
}
#else
/* store wr/rd pointers for debug info completion or EDL ring */
bus->ring_sh[i].ring_state_w = d2h_w_idx_ptr;
bus->ring_sh[i].ring_state_r = d2h_r_idx_ptr;
d2h_w_idx_ptr = d2h_w_idx_ptr + bus->rw_index_sz;
d2h_r_idx_ptr = d2h_r_idx_ptr + bus->rw_index_sz;
DHD_INFO(("d2h w/r : idx %d write %x read %x \n", i,
bus->ring_sh[i].ring_state_w,
bus->ring_sh[i].ring_state_r));
#endif /* DHD_HP2P */
}
} /* dhd_fillup_ring_sharedptr_info */
/**
* Initialize bus module: prepare for communication with the dongle. Called after downloading
* firmware into the dongle.
*/
int dhd_bus_init(dhd_pub_t *dhdp, bool enforce_mutex)
{
dhd_bus_t *bus = dhdp->bus;
int ret = 0;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
ASSERT(bus->dhd);
if (!bus->dhd)
return 0;
dhd_bus_pcie_pwr_req_clear_reload_war(bus);
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req(bus);
}
/* Configure AER registers to log the TLP header */
dhd_bus_aer_config(bus);
/* Make sure we're talking to the core. */
bus->reg = si_setcore(bus->sih, PCIE2_CORE_ID, 0);
ASSERT(bus->reg != NULL);
/* before opening up bus for data transfer, check if shared are is intact */
ret = dhdpcie_readshared(bus);
if (ret < 0) {
DHD_ERROR(("%s :Shared area read failed \n", __FUNCTION__));
goto exit;
}
/* Make sure we're talking to the core. */
bus->reg = si_setcore(bus->sih, PCIE2_CORE_ID, 0);
ASSERT(bus->reg != NULL);
/* Set bus state according to enable result */
dhdp->busstate = DHD_BUS_DATA;
DHD_SET_BUS_NOT_IN_LPS(bus);
dhdp->dhd_bus_busy_state = 0;
/* D11 status via PCIe completion header */
if ((ret = dhdpcie_init_d11status(bus)) < 0) {
goto exit;
}
#if defined(OEM_ANDROID) || defined(LINUX)
if (!dhd_download_fw_on_driverload)
dhd_dpc_enable(bus->dhd);
#endif /* OEM_ANDROID || LINUX */
/* Enable the interrupt after device is up */
dhdpcie_bus_intr_enable(bus);
DHD_ERROR(("%s: Enabling bus->intr_enabled\n", __FUNCTION__));
bus->intr_enabled = TRUE;
/* XXX These need to change w/API updates */
/* bcmsdh_intr_unmask(bus->sdh); */
#ifdef DHD_PCIE_RUNTIMEPM
bus->idlecount = 0;
bus->idletime = (int32)MAX_IDLE_COUNT;
init_waitqueue_head(&bus->rpm_queue);
mutex_init(&bus->pm_lock);
#else
bus->idletime = 0;
#endif /* DHD_PCIE_RUNTIMEPM */
#ifdef PCIE_INB_DW
bus->skip_ds_ack = FALSE;
/* Initialize the lock to serialize Device Wake Inband activities */
if (!bus->inb_lock) {
bus->inb_lock = osl_spin_lock_init(bus->dhd->osh);
}
#endif
/* XXX Temp errnum workaround: return ok, caller checks bus state */
/* Make use_d0_inform TRUE for Rev 5 for backward compatibility */
if (bus->api.fw_rev < PCIE_SHARED_VERSION_6) {
bus->use_d0_inform = TRUE;
} else {
bus->use_d0_inform = FALSE;
}
bus->hostready_count = 0;
exit:
if (MULTIBP_ENAB(bus->sih)) {
dhd_bus_pcie_pwr_req_clear(bus);
}
return ret;
}
static void
dhdpcie_init_shared_addr(dhd_bus_t *bus)
{
uint32 addr = 0;
uint32 val = 0;
addr = bus->dongle_ram_base + bus->ramsize - 4;
#ifdef DHD_PCIE_RUNTIMEPM
dhdpcie_runtime_bus_wake(bus->dhd, TRUE, __builtin_return_address(0));
#endif /* DHD_PCIE_RUNTIMEPM */
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8 *)&val, sizeof(val));
}
bool
dhdpcie_chipmatch(uint16 vendor, uint16 device)
{
if (vendor != PCI_VENDOR_ID_BROADCOM) {
#ifndef DHD_EFI
DHD_ERROR(("%s: Unsupported vendor %x device %x\n", __FUNCTION__,
vendor, device));
#endif /* DHD_EFI */
return (-ENODEV);
}
switch (device) {
case BCM4345_CHIP_ID:
case BCM43454_CHIP_ID:
case BCM43455_CHIP_ID:
case BCM43457_CHIP_ID:
case BCM43458_CHIP_ID:
case BCM4350_D11AC_ID:
case BCM4350_D11AC2G_ID:
case BCM4350_D11AC5G_ID:
case BCM4350_CHIP_ID:
case BCM4354_D11AC_ID:
case BCM4354_D11AC2G_ID:
case BCM4354_D11AC5G_ID:
case BCM4354_CHIP_ID:
case BCM4356_D11AC_ID:
case BCM4356_D11AC2G_ID:
case BCM4356_D11AC5G_ID:
case BCM4356_CHIP_ID:
case BCM4371_D11AC_ID:
case BCM4371_D11AC2G_ID:
case BCM4371_D11AC5G_ID:
case BCM4371_CHIP_ID:
case BCM4345_D11AC_ID:
case BCM4345_D11AC2G_ID:
case BCM4345_D11AC5G_ID:
case BCM43452_D11AC_ID:
case BCM43452_D11AC2G_ID:
case BCM43452_D11AC5G_ID:
case BCM4335_D11AC_ID:
case BCM4335_D11AC2G_ID:
case BCM4335_D11AC5G_ID:
case BCM4335_CHIP_ID:
case BCM43602_D11AC_ID:
case BCM43602_D11AC2G_ID:
case BCM43602_D11AC5G_ID:
case BCM43602_CHIP_ID:
case BCM43569_D11AC_ID:
case BCM43569_D11AC2G_ID:
case BCM43569_D11AC5G_ID:
case BCM43569_CHIP_ID:
/* XXX: For 4358, BCM4358_CHIP_ID is not checked intentionally as
* this is not a real chip id, but propagated from the OTP.
*/
case BCM4358_D11AC_ID:
case BCM4358_D11AC2G_ID:
case BCM4358_D11AC5G_ID:
case BCM4349_D11AC_ID:
case BCM4349_D11AC2G_ID:
case BCM4349_D11AC5G_ID:
case BCM4355_D11AC_ID:
case BCM4355_D11AC2G_ID:
case BCM4355_D11AC5G_ID:
case BCM4355_CHIP_ID:
/* XXX: BCM4359_CHIP_ID is not checked intentionally as this is
* not a real chip id, but propogated from the OTP.
*/
case BCM4359_D11AC_ID:
case BCM4359_D11AC2G_ID:
case BCM4359_D11AC5G_ID:
case BCM43596_D11AC_ID:
case BCM43596_D11AC2G_ID:
case BCM43596_D11AC5G_ID:
case BCM43597_D11AC_ID:
case BCM43597_D11AC2G_ID:
case BCM43597_D11AC5G_ID:
case BCM4364_D11AC_ID:
case BCM4364_D11AC2G_ID:
case BCM4364_D11AC5G_ID:
case BCM4364_CHIP_ID:
case BCM4361_D11AC_ID:
case BCM4361_D11AC2G_ID:
case BCM4361_D11AC5G_ID:
case BCM4361_CHIP_ID:
case BCM4347_D11AC_ID:
case BCM4347_D11AC2G_ID:
case BCM4347_D11AC5G_ID:
case BCM4347_CHIP_ID:
case BCM4369_D11AX_ID:
case BCM4369_D11AX2G_ID:
case BCM4369_D11AX5G_ID:
case BCM4369_CHIP_ID:
case BCM4376_D11AX_ID:
case BCM4376_D11AX2G_ID:
case BCM4376_D11AX5G_ID:
case BCM4376_CHIP_ID:
case BCM4377_M_D11AX_ID:
case BCM4377_D11AX_ID:
case BCM4377_D11AX2G_ID:
case BCM4377_D11AX5G_ID:
case BCM4377_CHIP_ID:
case BCM4378_D11AX_ID:
case BCM4378_D11AX2G_ID:
case BCM4378_D11AX5G_ID:
case BCM4378_CHIP_ID:
case BCM4387_D11AX_ID:
case BCM4387_CHIP_ID:
case BCM4362_D11AX_ID:
case BCM4362_D11AX2G_ID:
case BCM4362_D11AX5G_ID:
case BCM4362_CHIP_ID:
case BCM4375_D11AX_ID:
case BCM4375_D11AX2G_ID:
case BCM4375_D11AX5G_ID:
case BCM4375_CHIP_ID:
case BCM43751_D11AX_ID:
case BCM43751_D11AX2G_ID:
case BCM43751_D11AX5G_ID:
case BCM43751_CHIP_ID:
case BCM43752_D11AX_ID:
case BCM43752_D11AX2G_ID:
case BCM43752_D11AX5G_ID:
case BCM43752_CHIP_ID:
case BCM4388_CHIP_ID:
case BCM4388_D11AX_ID:
case BCM4389_CHIP_ID:
case BCM4389_D11AX_ID:
case BCM4385_D11AX_ID:
case BCM4385_CHIP_ID:
#ifdef UNRELEASEDCHIP
case BCM4397_CHIP_ID:
case BCM4397_D11AX_ID:
#endif
return 0;
default:
#ifndef DHD_EFI
DHD_ERROR(("%s: Unsupported vendor %x device %x\n",
__FUNCTION__, vendor, device));
#endif
return (-ENODEV);
}
} /* dhdpcie_chipmatch */
/**
* Name: dhdpcie_cc_nvmshadow
*
* Description:
* A shadow of OTP/SPROM exists in ChipCommon Region
* betw. 0x800 and 0xBFF (Backplane Addr. 0x1800_0800 and 0x1800_0BFF).
* Strapping option (SPROM vs. OTP), presence of OTP/SPROM and its size
* can also be read from ChipCommon Registers.
*/
/* XXX So far tested with 4345 and 4350 (Hence the checks in the function.) */
static int
dhdpcie_cc_nvmshadow(dhd_bus_t *bus, struct bcmstrbuf *b)
{
uint16 dump_offset = 0;
uint32 dump_size = 0, otp_size = 0, sprom_size = 0;
/* Table for 65nm OTP Size (in bits) */
int otp_size_65nm[8] = {0, 2048, 4096, 8192, 4096, 6144, 512, 1024};
volatile uint16 *nvm_shadow;
uint cur_coreid;
uint chipc_corerev;
chipcregs_t *chipcregs;
/* Save the current core */
cur_coreid = si_coreid(bus->sih);
/* Switch to ChipC */
chipcregs = (chipcregs_t *)si_setcore(bus->sih, CC_CORE_ID, 0);
ASSERT(chipcregs != NULL);
chipc_corerev = si_corerev(bus->sih);
/* Check ChipcommonCore Rev */
if (chipc_corerev < 44) {
DHD_ERROR(("%s: ChipcommonCore Rev %d < 44\n", __FUNCTION__, chipc_corerev));
return BCME_UNSUPPORTED;
}
/* Check ChipID */
if (((uint16)bus->sih->chip != BCM4350_CHIP_ID) && !BCM4345_CHIP((uint16)bus->sih->chip) &&
((uint16)bus->sih->chip != BCM4355_CHIP_ID) &&
((uint16)bus->sih->chip != BCM4364_CHIP_ID)) {
DHD_ERROR(("%s: cc_nvmdump cmd. supported for Olympic chips"
"4350/4345/4355/4364 only\n", __FUNCTION__));
return BCME_UNSUPPORTED;
}
/* Check if SRC_PRESENT in SpromCtrl(0x190 in ChipCommon Regs) is set */
if (chipcregs->sromcontrol & SRC_PRESENT) {
/* SPROM Size: 1Kbits (0x0), 4Kbits (0x1), 16Kbits(0x2) */
sprom_size = (1 << (2 * ((chipcregs->sromcontrol & SRC_SIZE_MASK)
>> SRC_SIZE_SHIFT))) * 1024;
bcm_bprintf(b, "\nSPROM Present (Size %d bits)\n", sprom_size);
}
/* XXX Check if OTP exists. 2 possible approaches:
* 1) Check if OtpPresent in SpromCtrl (0x190 in ChipCommon Regs) is set OR
* 2) Check if OtpSize > 0
*/
if (chipcregs->sromcontrol & SRC_OTPPRESENT) {
bcm_bprintf(b, "\nOTP Present");
if (((chipcregs->otplayout & OTPL_WRAP_TYPE_MASK) >> OTPL_WRAP_TYPE_SHIFT)
== OTPL_WRAP_TYPE_40NM) {
/* 40nm OTP: Size = (OtpSize + 1) * 1024 bits */
/* Chipcommon rev51 is a variation on rev45 and does not support
* the latest OTP configuration.
*/
if (chipc_corerev != 51 && chipc_corerev >= 49) {
otp_size = (((chipcregs->otplayout & OTPL_ROW_SIZE_MASK)
>> OTPL_ROW_SIZE_SHIFT) + 1) * 1024;
bcm_bprintf(b, "(Size %d bits)\n", otp_size);
} else {
otp_size = (((chipcregs->capabilities & CC_CAP_OTPSIZE)
>> CC_CAP_OTPSIZE_SHIFT) + 1) * 1024;
bcm_bprintf(b, "(Size %d bits)\n", otp_size);
}
} else {
/* This part is untested since newer chips have 40nm OTP */
/* Chipcommon rev51 is a variation on rev45 and does not support
* the latest OTP configuration.
*/
if (chipc_corerev != 51 && chipc_corerev >= 49) {
otp_size = otp_size_65nm[(chipcregs->otplayout & OTPL_ROW_SIZE_MASK)
>> OTPL_ROW_SIZE_SHIFT];
bcm_bprintf(b, "(Size %d bits)\n", otp_size);
} else {
otp_size = otp_size_65nm[(chipcregs->capabilities & CC_CAP_OTPSIZE)
>> CC_CAP_OTPSIZE_SHIFT];
bcm_bprintf(b, "(Size %d bits)\n", otp_size);
DHD_INFO(("%s: 65nm/130nm OTP Size not tested. \n",
__FUNCTION__));
}
}
}
/* Chipcommon rev51 is a variation on rev45 and does not support
* the latest OTP configuration.
*/
if (chipc_corerev != 51 && chipc_corerev >= 49) {
if (((chipcregs->sromcontrol & SRC_PRESENT) == 0) &&
((chipcregs->otplayout & OTPL_ROW_SIZE_MASK) == 0)) {
DHD_ERROR(("%s: SPROM and OTP could not be found "
"sromcontrol = %x, otplayout = %x \n",
__FUNCTION__, chipcregs->sromcontrol, chipcregs->otplayout));
return BCME_NOTFOUND;
}
} else {
if (((chipcregs->sromcontrol & SRC_PRESENT) == 0) &&
((chipcregs->capabilities & CC_CAP_OTPSIZE) == 0)) {
DHD_ERROR(("%s: SPROM and OTP could not be found "
"sromcontrol = %x, capablities = %x \n",
__FUNCTION__, chipcregs->sromcontrol, chipcregs->capabilities));
return BCME_NOTFOUND;
}
}
/* Check the strapping option in SpromCtrl: Set = OTP otherwise SPROM */
if ((!(chipcregs->sromcontrol & SRC_PRESENT) || (chipcregs->sromcontrol & SRC_OTPSEL)) &&
(chipcregs->sromcontrol & SRC_OTPPRESENT)) {
bcm_bprintf(b, "OTP Strap selected.\n"
"\nOTP Shadow in ChipCommon:\n");
dump_size = otp_size / 16 ; /* 16bit words */
} else if (((chipcregs->sromcontrol & SRC_OTPSEL) == 0) &&
(chipcregs->sromcontrol & SRC_PRESENT)) {
bcm_bprintf(b, "SPROM Strap selected\n"
"\nSPROM Shadow in ChipCommon:\n");
/* If SPROM > 8K only 8Kbits is mapped to ChipCommon (0x800 - 0xBFF) */
/* dump_size in 16bit words */
dump_size = sprom_size > 8 ? (8 * 1024) / 16 : sprom_size / 16;
} else {
DHD_ERROR(("%s: NVM Shadow does not exist in ChipCommon\n",
__FUNCTION__));
return BCME_NOTFOUND;
}
if (bus->regs == NULL) {
DHD_ERROR(("ChipCommon Regs. not initialized\n"));
return BCME_NOTREADY;
} else {
bcm_bprintf(b, "\n OffSet:");
/* Chipcommon rev51 is a variation on rev45 and does not support
* the latest OTP configuration.
*/
if (chipc_corerev != 51 && chipc_corerev >= 49) {
/* Chip common can read only 8kbits,
* for ccrev >= 49 otp size is around 12 kbits so use GCI core
*/
nvm_shadow = (volatile uint16 *)si_setcore(bus->sih, GCI_CORE_ID, 0);
} else {
/* Point to the SPROM/OTP shadow in ChipCommon */
nvm_shadow = chipcregs->sromotp;
}
if (nvm_shadow == NULL) {
DHD_ERROR(("%s: NVM Shadow is not intialized\n", __FUNCTION__));
return BCME_NOTFOUND;
}
/*
* Read 16 bits / iteration.
* dump_size & dump_offset in 16-bit words
*/
while (dump_offset < dump_size) {
if (dump_offset % 2 == 0)
/* Print the offset in the shadow space in Bytes */
bcm_bprintf(b, "\n 0x%04x", dump_offset * 2);
bcm_bprintf(b, "\t0x%04x", *(nvm_shadow + dump_offset));
dump_offset += 0x1;
}
}
/* Switch back to the original core */
si_setcore(bus->sih, cur_coreid, 0);
return BCME_OK;
} /* dhdpcie_cc_nvmshadow */
/** Flow rings are dynamically created and destroyed */
void dhd_bus_clean_flow_ring(dhd_bus_t *bus, void *node)
{
void *pkt;
flow_queue_t *queue;
flow_ring_node_t *flow_ring_node = (flow_ring_node_t *)node;
unsigned long flags;
queue = &flow_ring_node->queue;
#ifdef DHDTCPACK_SUPPRESS
/* Clean tcp_ack_info_tbl in order to prevent access to flushed pkt,
* when there is a newly coming packet from network stack.
*/
dhd_tcpack_info_tbl_clean(bus->dhd);
#endif /* DHDTCPACK_SUPPRESS */
#ifdef DHD_HP2P
if (flow_ring_node->hp2p_ring) {
if (!bus->dhd->hp2p_ring_more) {
bus->dhd->hp2p_ring_more = TRUE;
}
flow_ring_node->hp2p_ring = FALSE;
}
#endif /* DHD_HP2P */
/* clean up BUS level info */
DHD_FLOWRING_LOCK(flow_ring_node->lock, flags);
/* Flush all pending packets in the queue, if any */
while ((pkt = dhd_flow_queue_dequeue(bus->dhd, queue)) != NULL) {
PKTFREE(bus->dhd->osh, pkt, TRUE);
}
ASSERT(DHD_FLOW_QUEUE_EMPTY(queue));
/* Reinitialise flowring's queue */
dhd_flow_queue_reinit(bus->dhd, queue, bus->dhd->conf->flow_ring_queue_threshold);
flow_ring_node->status = FLOW_RING_STATUS_CLOSED;
flow_ring_node->active = FALSE;
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
/* Hold flowring_list_lock to ensure no race condition while accessing the List */
DHD_FLOWRING_LIST_LOCK(bus->dhd->flowring_list_lock, flags);
dll_delete(&flow_ring_node->list);
dll_init(&flow_ring_node->list);
DHD_FLOWRING_LIST_UNLOCK(bus->dhd->flowring_list_lock, flags);
/* Release the flowring object back into the pool */
dhd_prot_flowrings_pool_release(bus->dhd,
flow_ring_node->flowid, flow_ring_node->prot_info);
/* Free the flowid back to the flowid allocator */
dhd_flowid_free(bus->dhd, flow_ring_node->flow_info.ifindex,
flow_ring_node->flowid);
}
/**
* Allocate a Flow ring buffer,
* Init Ring buffer, send Msg to device about flow ring creation
*/
int
dhd_bus_flow_ring_create_request(dhd_bus_t *bus, void *arg)
{
flow_ring_node_t *flow_ring_node = (flow_ring_node_t *)arg;
DHD_PCIE_INFO(("%s :Flow create\n", __FUNCTION__));
/* Send Msg to device about flow ring creation */
if (dhd_prot_flow_ring_create(bus->dhd, flow_ring_node) != BCME_OK)
return BCME_NOMEM;
return BCME_OK;
}
/** Handle response from dongle on a 'flow ring create' request */
void
dhd_bus_flow_ring_create_response(dhd_bus_t *bus, uint16 flowid, int32 status)
{
flow_ring_node_t *flow_ring_node;
unsigned long flags;
DHD_PCIE_INFO(("%s :Flow Response %d \n", __FUNCTION__, flowid));
/* Boundary check of the flowid */
if (flowid > bus->dhd->max_tx_flowid) {
DHD_ERROR(("%s: flowid is invalid %d, max id %d\n", __FUNCTION__,
flowid, bus->dhd->max_tx_flowid));
return;
}
flow_ring_node = DHD_FLOW_RING(bus->dhd, flowid);
if (!flow_ring_node) {
DHD_ERROR(("%s: flow_ring_node is NULL\n", __FUNCTION__));
return;
}
ASSERT(flow_ring_node->flowid == flowid);
if (flow_ring_node->flowid != flowid) {
DHD_ERROR(("%s: flowid %d is different from the flowid "
"of the flow_ring_node %d\n", __FUNCTION__, flowid,
flow_ring_node->flowid));
return;
}
if (status != BCME_OK) {
DHD_ERROR(("%s Flow create Response failure error status = %d \n",
__FUNCTION__, status));
/* Call Flow clean up */
dhd_bus_clean_flow_ring(bus, flow_ring_node);
return;
}
DHD_FLOWRING_LOCK(flow_ring_node->lock, flags);
flow_ring_node->status = FLOW_RING_STATUS_OPEN;
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
/* Now add the Flow ring node into the active list
* Note that this code to add the newly created node to the active
* list was living in dhd_flowid_lookup. But note that after
* adding the node to the active list the contents of node is being
* filled in dhd_prot_flow_ring_create.
* If there is a D2H interrupt after the node gets added to the
* active list and before the node gets populated with values
* from the Bottom half dhd_update_txflowrings would be called.
* which will then try to walk through the active flow ring list,
* pickup the nodes and operate on them. Now note that since
* the function dhd_prot_flow_ring_create is not finished yet
* the contents of flow_ring_node can still be NULL leading to
* crashes. Hence the flow_ring_node should be added to the
* active list only after its truely created, which is after
* receiving the create response message from the Host.
*/
DHD_FLOWRING_LIST_LOCK(bus->dhd->flowring_list_lock, flags);
dll_prepend(&bus->flowring_active_list, &flow_ring_node->list);
DHD_FLOWRING_LIST_UNLOCK(bus->dhd->flowring_list_lock, flags);
dhd_bus_schedule_queue(bus, flowid, FALSE); /* from queue to flowring */
return;
}
int
dhd_bus_flow_ring_delete_request(dhd_bus_t *bus, void *arg)
{
void * pkt;
flow_queue_t *queue;
flow_ring_node_t *flow_ring_node;
unsigned long flags;
DHD_PCIE_INFO(("%s :Flow Delete\n", __FUNCTION__));
flow_ring_node = (flow_ring_node_t *)arg;
#ifdef DHDTCPACK_SUPPRESS
/* Clean tcp_ack_info_tbl in order to prevent access to flushed pkt,
* when there is a newly coming packet from network stack.
*/
dhd_tcpack_info_tbl_clean(bus->dhd);
#endif /* DHDTCPACK_SUPPRESS */
DHD_FLOWRING_LOCK(flow_ring_node->lock, flags);
if (flow_ring_node->status == FLOW_RING_STATUS_DELETE_PENDING) {
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
DHD_ERROR(("%s :Delete Pending flowid %u\n", __FUNCTION__, flow_ring_node->flowid));
return BCME_ERROR;
}
flow_ring_node->status = FLOW_RING_STATUS_DELETE_PENDING;
queue = &flow_ring_node->queue; /* queue associated with flow ring */
/* Flush all pending packets in the queue, if any */
while ((pkt = dhd_flow_queue_dequeue(bus->dhd, queue)) != NULL) {
PKTFREE(bus->dhd->osh, pkt, TRUE);
}
ASSERT(DHD_FLOW_QUEUE_EMPTY(queue));
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
/* Send Msg to device about flow ring deletion */
dhd_prot_flow_ring_delete(bus->dhd, flow_ring_node);
return BCME_OK;
}
void
dhd_bus_flow_ring_delete_response(dhd_bus_t *bus, uint16 flowid, uint32 status)
{
flow_ring_node_t *flow_ring_node;
DHD_PCIE_INFO(("%s :Flow Delete Response %d \n", __FUNCTION__, flowid));
/* Boundary check of the flowid */
if (flowid > bus->dhd->max_tx_flowid) {
DHD_ERROR(("%s: flowid is invalid %d, max id %d\n", __FUNCTION__,
flowid, bus->dhd->max_tx_flowid));
return;
}
flow_ring_node = DHD_FLOW_RING(bus->dhd, flowid);
if (!flow_ring_node) {
DHD_ERROR(("%s: flow_ring_node is NULL\n", __FUNCTION__));
return;
}
ASSERT(flow_ring_node->flowid == flowid);
if (flow_ring_node->flowid != flowid) {
DHD_ERROR(("%s: flowid %d is different from the flowid "
"of the flow_ring_node %d\n", __FUNCTION__, flowid,
flow_ring_node->flowid));
return;
}
if (status != BCME_OK) {
DHD_ERROR(("%s Flow Delete Response failure error status = %d \n",
__FUNCTION__, status));
return;
}
/* Call Flow clean up */
dhd_bus_clean_flow_ring(bus, flow_ring_node);
return;
}
int dhd_bus_flow_ring_flush_request(dhd_bus_t *bus, void *arg)
{
void *pkt;
flow_queue_t *queue;
flow_ring_node_t *flow_ring_node;
unsigned long flags;
DHD_PCIE_INFO(("%s :Flow Flush\n", __FUNCTION__));
flow_ring_node = (flow_ring_node_t *)arg;
DHD_FLOWRING_LOCK(flow_ring_node->lock, flags);
queue = &flow_ring_node->queue; /* queue associated with flow ring */
/* Flow ring status will be set back to FLOW_RING_STATUS_OPEN
* once flow ring flush response is received for this flowring node.
*/
flow_ring_node->status = FLOW_RING_STATUS_FLUSH_PENDING;
#ifdef DHDTCPACK_SUPPRESS
/* Clean tcp_ack_info_tbl in order to prevent access to flushed pkt,
* when there is a newly coming packet from network stack.
*/
dhd_tcpack_info_tbl_clean(bus->dhd);
#endif /* DHDTCPACK_SUPPRESS */
/* Flush all pending packets in the queue, if any */
while ((pkt = dhd_flow_queue_dequeue(bus->dhd, queue)) != NULL) {
PKTFREE(bus->dhd->osh, pkt, TRUE);
}
ASSERT(DHD_FLOW_QUEUE_EMPTY(queue));
DHD_FLOWRING_UNLOCK(flow_ring_node->lock, flags);
/* Send Msg to device about flow ring flush */
dhd_prot_flow_ring_flush(bus->dhd, flow_ring_node);
return BCME_OK;
}
void
dhd_bus_flow_ring_flush_response(dhd_bus_t *bus, uint16 flowid, uint32 status)
{
flow_ring_node_t *flow_ring_node;
if (status != BCME_OK) {
DHD_ERROR(("%s Flow flush Response failure error status = %d \n",
__FUNCTION__, status));
return;
}
/* Boundary check of the flowid */
if (flowid > bus->dhd->max_tx_flowid) {
DHD_ERROR(("%s: flowid is invalid %d, max id %d\n", __FUNCTION__,
flowid, bus->dhd->max_tx_flowid));
return;
}
flow_ring_node = DHD_FLOW_RING(bus->dhd, flowid);
if (!flow_ring_node) {
DHD_ERROR(("%s: flow_ring_node is NULL\n", __FUNCTION__));
return;
}
ASSERT(flow_ring_node->flowid == flowid);
if (flow_ring_node->flowid != flowid) {
DHD_ERROR(("%s: flowid %d is different from the flowid "
"of the flow_ring_node %d\n", __FUNCTION__, flowid,
flow_ring_node->flowid));
return;
}
flow_ring_node->status = FLOW_RING_STATUS_OPEN;
return;
}
uint32
dhd_bus_max_h2d_queues(struct dhd_bus *bus)
{
return bus->max_submission_rings;
}
/* To be symmetric with SDIO */
void
dhd_bus_pktq_flush(dhd_pub_t *dhdp)
{
return;
}
void
dhd_bus_set_linkdown(dhd_pub_t *dhdp, bool val)
{
dhdp->bus->is_linkdown = val;
}
int
dhd_bus_get_linkdown(dhd_pub_t *dhdp)
{
return dhdp->bus->is_linkdown;
}
int
dhd_bus_get_cto(dhd_pub_t *dhdp)
{
return dhdp->bus->cto_triggered;
}
#ifdef IDLE_TX_FLOW_MGMT
/* resume request */
int
dhd_bus_flow_ring_resume_request(dhd_bus_t *bus, void *arg)
{
flow_ring_node_t *flow_ring_node = (flow_ring_node_t *)arg;
DHD_ERROR(("%s :Flow Resume Request flow id %u\n", __FUNCTION__, flow_ring_node->flowid));
flow_ring_node->status = FLOW_RING_STATUS_RESUME_PENDING;
/* Send Msg to device about flow ring resume */
dhd_prot_flow_ring_resume(bus->dhd, flow_ring_node);
return BCME_OK;
}
/* add the node back to active flowring */
void
dhd_bus_flow_ring_resume_response(dhd_bus_t *bus, uint16 flowid, int32 status)
{
flow_ring_node_t *flow_ring_node;
DHD_TRACE(("%s :flowid %d \n", __FUNCTION__, flowid));
flow_ring_node = DHD_FLOW_RING(bus->dhd, flowid);
ASSERT(flow_ring_node->flowid == flowid);
if (status != BCME_OK) {
DHD_ERROR(("%s Error Status = %d \n",
__FUNCTION__, status));
return;
}
DHD_TRACE(("%s :Number of pkts queued in FlowId:%d is -> %u!!\n",
__FUNCTION__, flow_ring_node->flowid, flow_ring_node->queue.len));
flow_ring_node->status = FLOW_RING_STATUS_OPEN;
dhd_bus_schedule_queue(bus, flowid, FALSE);
return;
}
/* scan the flow rings in active list for idle time out */
void
dhd_bus_check_idle_scan(dhd_bus_t *bus)
{
uint64 time_stamp; /* in millisec */
uint64 diff;
time_stamp = OSL_SYSUPTIME();
diff = time_stamp - bus->active_list_last_process_ts;
if (diff > IDLE_FLOW_LIST_TIMEOUT) {
dhd_bus_idle_scan(bus);
bus->active_list_last_process_ts = OSL_SYSUPTIME();
}
return;
}
/* scan the nodes in active list till it finds a non idle node */
void
dhd_bus_idle_scan(dhd_bus_t *bus)
{
dll_t *item, *prev;
flow_ring_node_t *flow_ring_node;
uint64 time_stamp, diff;
unsigned long flags;
uint16 ringid[MAX_SUSPEND_REQ];
uint16 count = 0;
time_stamp = OSL_SYSUPTIME();
DHD_FLOWRING_LIST_LOCK(bus->dhd->flowring_list_lock, flags);
for (item = dll_tail_p(&bus->flowring_active_list);
!dll_end(&bus->flowring_active_list, item); item = prev) {
prev = dll_prev_p(item);
flow_ring_node = dhd_constlist_to_flowring(item);
if (flow_ring_node->flowid == (bus->max_submission_rings - 1))
continue;
if (flow_ring_node->status != FLOW_RING_STATUS_OPEN) {
/* Takes care of deleting zombie rings */
/* delete from the active list */
DHD_INFO(("deleting flow id %u from active list\n",
flow_ring_node->flowid));
__dhd_flow_ring_delete_from_active_list(bus, flow_ring_node);
continue;
}
diff = time_stamp - flow_ring_node->last_active_ts;
if ((diff > IDLE_FLOW_RING_TIMEOUT) && !(flow_ring_node->queue.len)) {
DHD_ERROR(("\nSuspending flowid %d\n", flow_ring_node->flowid));
/* delete from the active list */
__dhd_flow_ring_delete_from_active_list(bus, flow_ring_node);
flow_ring_node->status = FLOW_RING_STATUS_SUSPENDED;
ringid[count] = flow_ring_node->flowid;
count++;
if (count == MAX_SUSPEND_REQ) {
/* create a batch message now!! */
dhd_prot_flow_ring_batch_suspend_request(bus->dhd, ringid, count);
count = 0;
}
} else {
/* No more scanning, break from here! */
break;
}
}
if (count) {
dhd_prot_flow_ring_batch_suspend_request(bus->dhd, ringid, count);
}
DHD_FLOWRING_LIST_UNLOCK(bus->dhd->flowring_list_lock, flags);
return;
}
void dhd_flow_ring_move_to_active_list_head(struct dhd_bus *bus, flow_ring_node_t *flow_ring_node)
{
unsigned long flags;
dll_t* list;
DHD_FLOWRING_LIST_LOCK(bus->dhd->flowring_list_lock, flags);
/* check if the node is already at head, otherwise delete it and prepend */
list = dll_head_p(&bus->flowring_active_list);
if (&flow_ring_node->list != list) {
dll_delete(&flow_ring_node->list);
dll_prepend(&bus->flowring_active_list, &flow_ring_node->list);
}
/* update flow ring timestamp */
flow_ring_node->last_active_ts = OSL_SYSUPTIME();
DHD_FLOWRING_LIST_UNLOCK(bus->dhd->flowring_list_lock, flags);
return;
}
void dhd_flow_ring_add_to_active_list(struct dhd_bus *bus, flow_ring_node_t *flow_ring_node)
{
unsigned long flags;
DHD_FLOWRING_LIST_LOCK(bus->dhd->flowring_list_lock, flags);
dll_prepend(&bus->flowring_active_list, &flow_ring_node->list);
/* update flow ring timestamp */
flow_ring_node->last_active_ts = OSL_SYSUPTIME();
DHD_FLOWRING_LIST_UNLOCK(bus->dhd->flowring_list_lock, flags);
return;
}
void __dhd_flow_ring_delete_from_active_list(struct dhd_bus *bus, flow_ring_node_t *flow_ring_node)
{
dll_delete(&flow_ring_node->list);
}
void dhd_flow_ring_delete_from_active_list(struct dhd_bus *bus, flow_ring_node_t *flow_ring_node)
{
unsigned long flags;
DHD_FLOWRING_LIST_LOCK(bus->dhd->flowring_list_lock, flags);
__dhd_flow_ring_delete_from_active_list(bus, flow_ring_node);
DHD_FLOWRING_LIST_UNLOCK(bus->dhd->flowring_list_lock, flags);
return;
}
#endif /* IDLE_TX_FLOW_MGMT */
#if defined(LINUX) || defined(linux)
int
dhdpcie_bus_start_host_dev(struct dhd_bus *bus)
{
return dhdpcie_start_host_dev(bus);
}
int
dhdpcie_bus_stop_host_dev(struct dhd_bus *bus)
{
return dhdpcie_stop_host_dev(bus);
}
int
dhdpcie_bus_disable_device(struct dhd_bus *bus)
{
return dhdpcie_disable_device(bus);
}
int
dhdpcie_bus_enable_device(struct dhd_bus *bus)
{
return dhdpcie_enable_device(bus);
}
int
dhdpcie_bus_alloc_resource(struct dhd_bus *bus)
{
return dhdpcie_alloc_resource(bus);
}
void
dhdpcie_bus_free_resource(struct dhd_bus *bus)
{
dhdpcie_free_resource(bus);
}
int
dhd_bus_request_irq(struct dhd_bus *bus)
{
return dhdpcie_bus_request_irq(bus);
}
bool
dhdpcie_bus_dongle_attach(struct dhd_bus *bus)
{
return dhdpcie_dongle_attach(bus);
}
int
dhd_bus_release_dongle(struct dhd_bus *bus)
{
bool dongle_isolation;
osl_t *osh;
DHD_TRACE(("%s: Enter\n", __FUNCTION__));
if (bus) {
osh = bus->osh;
ASSERT(osh);
if (bus->dhd) {
#if defined(DEBUGGER) || defined (DHD_DSCOPE)
debugger_close();
#endif /* DEBUGGER || DHD_DSCOPE */
dongle_isolation = bus->dhd->dongle_isolation;
dhdpcie_bus_release_dongle(bus, osh, dongle_isolation, TRUE);
}
}
return 0;
}
#endif /* LINUX || linux */
int
dhdpcie_cto_cfg_init(struct dhd_bus *bus, bool enable)
{
if (enable) {
dhdpcie_bus_cfg_write_dword(bus, PCI_INT_MASK, 4,
PCI_CTO_INT_MASK | PCI_SBIM_MASK_SERR);
} else {
dhdpcie_bus_cfg_write_dword(bus, PCI_INT_MASK, 4, 0);
}
return 0;
}
int
dhdpcie_cto_init(struct dhd_bus *bus, bool enable)
{
volatile void *regsva = (volatile void *)bus->regs;
uint32 val;
uint16 chipid = dhd_get_chipid(bus);
uint32 ctoctrl;
bus->cto_enable = enable;
dhdpcie_cto_cfg_init(bus, enable);
if (enable) {
if (bus->cto_threshold == 0) {
if ((chipid == BCM4387_CHIP_ID) ||
(chipid == BCM4388_CHIP_ID) ||
(chipid == BCM4389_CHIP_ID)) {
bus->cto_threshold = PCIE_CTO_TO_THRESH_DEFAULT_REV69;
} else {
bus->cto_threshold = PCIE_CTO_TO_THRESH_DEFAULT;
}
}
val = ((bus->cto_threshold << PCIE_CTO_TO_THRESHOLD_SHIFT) &
PCIE_CTO_TO_THRESHHOLD_MASK) |
((PCIE_CTO_CLKCHKCNT_VAL << PCIE_CTO_CLKCHKCNT_SHIFT) &
PCIE_CTO_CLKCHKCNT_MASK) |
PCIE_CTO_ENAB_MASK;
pcie_corereg(bus->osh, regsva, OFFSETOF(sbpcieregs_t, ctoctrl), ~0, val);
} else {
pcie_corereg(bus->osh, regsva, OFFSETOF(sbpcieregs_t, ctoctrl), ~0, 0);
}
ctoctrl = pcie_corereg(bus->osh, regsva, OFFSETOF(sbpcieregs_t, ctoctrl), 0, 0);
DHD_ERROR(("%s: ctoctrl(0x%x) enable/disable %d for chipid(0x%x)\n",
__FUNCTION__, ctoctrl, bus->cto_enable, chipid));
return 0;
}
static int
dhdpcie_cto_error_recovery(struct dhd_bus *bus)
{
uint32 pci_intmask, err_status;
uint8 i = 0;
uint32 val;
pci_intmask = dhdpcie_bus_cfg_read_dword(bus, PCI_INT_MASK, 4);
dhdpcie_bus_cfg_write_dword(bus, PCI_INT_MASK, 4, pci_intmask & ~PCI_CTO_INT_MASK);
DHD_OS_WAKE_LOCK(bus->dhd);
DHD_ERROR(("--- CTO Triggered --- %d\n", bus->pwr_req_ref));
/*
* DAR still accessible
*/
dhd_bus_dump_dar_registers(bus);
/* reset backplane */
val = dhdpcie_bus_cfg_read_dword(bus, PCI_SPROM_CONTROL, 4);
dhdpcie_bus_cfg_write_dword(bus, PCI_SPROM_CONTROL, 4, val | SPROM_CFG_TO_SB_RST);
/* clear timeout error */
while (1) {
err_status = si_corereg(bus->sih, bus->sih->buscoreidx,
DAR_ERRLOG(bus->sih->buscorerev),
0, 0);
if (err_status & PCIE_CTO_ERR_MASK) {
si_corereg(bus->sih, bus->sih->buscoreidx,
DAR_ERRLOG(bus->sih->buscorerev),
~0, PCIE_CTO_ERR_MASK);
} else {
break;
}
OSL_DELAY(CTO_TO_CLEAR_WAIT_MS * 1000);
i++;
if (i > CTO_TO_CLEAR_WAIT_MAX_CNT) {
DHD_ERROR(("cto recovery fail\n"));
DHD_OS_WAKE_UNLOCK(bus->dhd);
return BCME_ERROR;
}
}
/* clear interrupt status */
dhdpcie_bus_cfg_write_dword(bus, PCI_INT_STATUS, 4, PCI_CTO_INT_MASK);
/* Halt ARM & remove reset */
/* TBD : we can add ARM Halt here in case */
/* reset SPROM_CFG_TO_SB_RST */
val = dhdpcie_bus_cfg_read_dword(bus, PCI_SPROM_CONTROL, 4);
DHD_ERROR(("cto recovery reset 0x%x:SPROM_CFG_TO_SB_RST(0x%x) 0x%x\n",
PCI_SPROM_CONTROL, SPROM_CFG_TO_SB_RST, val));
dhdpcie_bus_cfg_write_dword(bus, PCI_SPROM_CONTROL, 4, val & ~SPROM_CFG_TO_SB_RST);
val = dhdpcie_bus_cfg_read_dword(bus, PCI_SPROM_CONTROL, 4);
DHD_ERROR(("cto recovery success 0x%x:SPROM_CFG_TO_SB_RST(0x%x) 0x%x\n",
PCI_SPROM_CONTROL, SPROM_CFG_TO_SB_RST, val));
DHD_OS_WAKE_UNLOCK(bus->dhd);
return BCME_OK;
}
void
dhdpcie_ssreset_dis_enum_rst(struct dhd_bus *bus)
{
uint32 val;
val = dhdpcie_bus_cfg_read_dword(bus, PCIE_CFG_SUBSYSTEM_CONTROL, 4);
dhdpcie_bus_cfg_write_dword(bus, PCIE_CFG_SUBSYSTEM_CONTROL, 4,
val | (0x1 << PCIE_SSRESET_DIS_ENUM_RST_BIT));
}
#if defined(DBG_PKT_MON) || defined(DHD_PKT_LOGGING)
/*
* XXX: WAR: Update dongle that driver supports sending of d11
* tx_status through unused status field of PCIe completion header
* if dongle also supports the same WAR.
*/
static int
dhdpcie_init_d11status(struct dhd_bus *bus)
{
uint32 addr;
uint32 flags2;
int ret = 0;
if (bus->pcie_sh->flags2 & PCIE_SHARED2_D2H_D11_TX_STATUS) {
flags2 = bus->pcie_sh->flags2;
addr = bus->shared_addr + OFFSETOF(pciedev_shared_t, flags2);
flags2 |= PCIE_SHARED2_H2D_D11_TX_STATUS;
ret = dhdpcie_bus_membytes(bus, TRUE, addr,
(uint8 *)&flags2, sizeof(flags2));
if (ret < 0) {
DHD_ERROR(("%s: update flag bit (H2D_D11_TX_STATUS) failed\n",
__FUNCTION__));
return ret;
}
bus->pcie_sh->flags2 = flags2;
bus->dhd->d11_tx_status = TRUE;
}
return ret;
}
#else
static int
dhdpcie_init_d11status(struct dhd_bus *bus)
{
return 0;
}
#endif /* DBG_PKT_MON || DHD_PKT_LOGGING */
int
dhdpcie_get_max_eventbufpost(struct dhd_bus *bus)
{
int evt_buf_pool = EVENT_BUF_POOL_LOW;
if (bus->pcie_sh->flags2 & (0x1 << PCIE_SHARED_EVENT_BUF_POOL_MAX_POS)) {
evt_buf_pool = EVENT_BUF_POOL_MEDIUM;
} else if (bus->pcie_sh->flags2 & (0x2 << PCIE_SHARED_EVENT_BUF_POOL_MAX_POS)) {
evt_buf_pool = EVENT_BUF_POOL_HIGH;
} else if (bus->pcie_sh->flags2 & (0x3 << PCIE_SHARED_EVENT_BUF_POOL_MAX_POS)) {
evt_buf_pool = EVENT_BUF_POOL_HIGHEST;
}
return evt_buf_pool;
}
int
dhd_bus_oob_intr_register(dhd_pub_t *dhdp)
{
int err = 0;
#ifdef BCMPCIE_OOB_HOST_WAKE
err = dhdpcie_oob_intr_register(dhdp->bus);
#endif /* BCMPCIE_OOB_HOST_WAKE */
return err;
}
void
dhd_bus_oob_intr_unregister(dhd_pub_t *dhdp)
{
#ifdef BCMPCIE_OOB_HOST_WAKE
dhdpcie_oob_intr_unregister(dhdp->bus);
#endif /* BCMPCIE_OOB_HOST_WAKE */
}
void
dhd_bus_oob_intr_set(dhd_pub_t *dhdp, bool enable)
{
#ifdef BCMPCIE_OOB_HOST_WAKE
dhdpcie_oob_intr_set(dhdp->bus, enable);
#endif /* BCMPCIE_OOB_HOST_WAKE */
}
int
dhd_bus_get_oob_irq_num(dhd_pub_t *dhdp)
{
int irq_num = 0;
#ifdef BCMPCIE_OOB_HOST_WAKE
irq_num = dhdpcie_get_oob_irq_num(dhdp->bus);
#endif /* BCMPCIE_OOB_HOST_WAKE */
return irq_num;
}
#ifdef BCMDBG
void
dhd_bus_flow_ring_cnt_update(dhd_bus_t *bus, uint16 flowid, uint32 txstatus)
{
flow_ring_node_t *flow_ring_node;
#if defined(DHD_AWDL) && defined(AWDL_SLOT_STATS)
dhd_awdl_stats_t *awdl_stats;
if_flow_lkup_t *if_flow_lkup;
unsigned long flags;
uint8 ifindex;
uint8 role;
#endif /* DHD_AWDL && AWDL_SLOT_STATS */
/* If we have d2h sync enabled due to marker overloading, we cannot update this. */
if (bus->dhd->d2h_sync_mode)
return;
if (txstatus >= DHD_MAX_TX_STATUS_MSGS) {
/*
* XXX: changed DHD_ERROR to DHD_INFO
* There are flood of messages with P2P FW
* It is being root-caused.
*/
DHD_INFO(("%s Unknown txtstatus = %d \n",
__FUNCTION__, txstatus));
return;
}
flow_ring_node = DHD_FLOW_RING(bus->dhd, flowid);
ASSERT(flow_ring_node->flowid == flowid);
flow_ring_node->flow_info.tx_status[txstatus]++;
#if defined(DHD_AWDL) && defined(AWDL_SLOT_STATS)
if_flow_lkup = (if_flow_lkup_t *)bus->dhd->if_flow_lkup;
ifindex = flow_ring_node->flow_info.ifindex;
role = if_flow_lkup[ifindex].role;
if (role == WLC_E_IF_ROLE_AWDL) {
DHD_AWDL_STATS_LOCK(bus->dhd->awdl_stats_lock, flags);
awdl_stats = &bus->dhd->awdl_stats[bus->dhd->awdl_tx_status_slot];
awdl_stats->tx_status[txstatus]++;
DHD_AWDL_STATS_UNLOCK(bus->dhd->awdl_stats_lock, flags);
}
#endif /* DHD_AWDL && AWDL_SLOT_STATS */
return;
}
#endif /* BCMDBG */
bool
dhdpcie_bus_get_pcie_hostready_supported(dhd_bus_t *bus)
{
return bus->dhd->d2h_hostrdy_supported;
}
void
dhd_pcie_dump_core_regs(dhd_pub_t * pub, uint32 index, uint32 first_addr, uint32 last_addr)
{
dhd_bus_t *bus = pub->bus;
uint32 coreoffset = index << 12;
uint32 core_addr = SI_ENUM_BASE(bus->sih) + coreoffset;
uint32 value;
while (first_addr <= last_addr) {
core_addr = SI_ENUM_BASE(bus->sih) + coreoffset + first_addr;
if (serialized_backplane_access(bus, core_addr, 4, &value, TRUE) != BCME_OK) {
DHD_ERROR(("Invalid size/addr combination \n"));
}
DHD_ERROR(("[0x%08x]: 0x%08x\n", core_addr, value));
first_addr = first_addr + 4;
}
}
bool
dhdpcie_bus_get_pcie_idma_supported(dhd_bus_t *bus)
{
if (!bus->dhd)
return FALSE;
else if (bus->idma_enabled) {
return bus->dhd->idma_enable;
} else {
return FALSE;
}
}
bool
dhdpcie_bus_get_pcie_ifrm_supported(dhd_bus_t *bus)
{
if (!bus->dhd)
return FALSE;
else if (bus->ifrm_enabled) {
return bus->dhd->ifrm_enable;
} else {
return FALSE;
}
}
bool
dhdpcie_bus_get_pcie_dar_supported(dhd_bus_t *bus)
{
if (!bus->dhd) {
return FALSE;
} else if (bus->dar_enabled) {
return bus->dhd->dar_enable;
} else {
return FALSE;
}
}
#ifdef DHD_HP2P
bool
dhdpcie_bus_get_hp2p_supported(dhd_bus_t *bus)
{
if (!bus->dhd) {
return FALSE;
} else if (bus->dhd->hp2p_enable) {
return bus->dhd->hp2p_capable;
} else {
return FALSE;
}
}
#endif /* DHD_HP2P */
#ifdef PCIE_OOB
bool
dhdpcie_bus_get_pcie_oob_dw_supported(dhd_bus_t *bus)
{
if (!bus->dhd)
return FALSE;
if (bus->oob_enabled) {
return !bus->dhd->d2h_no_oob_dw;
} else {
return FALSE;
}
}
#endif /* PCIE_OOB */
void
dhdpcie_bus_enab_pcie_dw(dhd_bus_t *bus, uint8 dw_option)
{
DHD_ERROR(("ENABLING DW:%d\n", dw_option));
bus->dw_option = dw_option;
}
#ifdef PCIE_INB_DW
bool
dhdpcie_bus_get_pcie_inband_dw_supported(dhd_bus_t *bus)
{
if (!bus->dhd)
return FALSE;
if (bus->inb_enabled) {
return bus->dhd->d2h_inband_dw;
} else {
return FALSE;
}
}
void
dhdpcie_bus_set_pcie_inband_dw_state(dhd_bus_t *bus, enum dhd_bus_ds_state state)
{
if (!INBAND_DW_ENAB(bus))
return;
DHD_PCIE_INFO(("%s:%d\n", __FUNCTION__, state));
bus->dhd->ds_state = state;
if (state == DW_DEVICE_DS_DISABLED_WAIT || state == DW_DEVICE_DS_D3_INFORM_WAIT) {
bus->ds_exit_timeout = 100;
}
if (state == DW_DEVICE_HOST_WAKE_WAIT) {
bus->host_sleep_exit_timeout = 100;
}
if (state == DW_DEVICE_DS_DEV_WAKE) {
bus->ds_exit_timeout = 0;
}
if (state == DW_DEVICE_DS_ACTIVE) {
bus->host_sleep_exit_timeout = 0;
}
}
enum dhd_bus_ds_state
dhdpcie_bus_get_pcie_inband_dw_state(dhd_bus_t *bus)
{
if (!INBAND_DW_ENAB(bus))
return DW_DEVICE_DS_INVALID;
return bus->dhd->ds_state;
}
#endif /* PCIE_INB_DW */
#ifdef DHD_MMIO_TRACE
static void
dhd_bus_mmio_trace(dhd_bus_t *bus, uint32 addr, uint32 value, bool set)
{
uint32 cnt = bus->mmio_trace_count % MAX_MMIO_TRACE_SIZE;
uint64 ts_cur = OSL_LOCALTIME_NS();
uint32 tmp_cnt;
tmp_cnt = (bus->mmio_trace_count) ? ((bus->mmio_trace_count - 1)
% MAX_MMIO_TRACE_SIZE) : cnt;
if (((DIV_U64_BY_U64(ts_cur, NSEC_PER_USEC) -
DIV_U64_BY_U64(bus->mmio_trace[tmp_cnt].timestamp, NSEC_PER_USEC))
> MIN_MMIO_TRACE_TIME) || (bus->mmio_trace[tmp_cnt].value !=
(value & DHD_RING_IDX))) {
bus->mmio_trace_count++;
} else {
cnt = tmp_cnt;
}
bus->mmio_trace[cnt].timestamp = ts_cur;
bus->mmio_trace[cnt].addr = addr;
bus->mmio_trace[cnt].set = set;
bus->mmio_trace[cnt].value = value;
}
void
dhd_dump_bus_mmio_trace(dhd_bus_t *bus, struct bcmstrbuf *strbuf)
{
int dumpsz;
int i;
dumpsz = bus->mmio_trace_count < MAX_MMIO_TRACE_SIZE ?
bus->mmio_trace_count : MAX_MMIO_TRACE_SIZE;
if (dumpsz == 0) {
bcm_bprintf(strbuf, "\nEmpty MMIO TRACE\n");
return;
}
bcm_bprintf(strbuf, "---- MMIO TRACE ------\n");
bcm_bprintf(strbuf, "Decoding value field, Ex: 0xFF2C00E4, 0xFF->WR/0XDD->RD "
"0x2C->Ringid 0x00E4->RD/WR Value\n");
bcm_bprintf(strbuf, "Timestamp ns\t\tAddr\t\tW/R\tValue\n");
for (i = 0; i < dumpsz; i ++) {
bcm_bprintf(strbuf, SEC_USEC_FMT"\t0x%08x\t%s\t0x%08x\n",
GET_SEC_USEC(bus->mmio_trace[i].timestamp),
bus->mmio_trace[i].addr,
bus->mmio_trace[i].set ? "W" : "R",
bus->mmio_trace[i].value);
}
}
#endif /* defined(DHD_MMIO_TRACE) */
static void
#ifdef PCIE_INB_DW
dhd_bus_ds_trace(dhd_bus_t *bus, uint32 dsval, bool d2h, enum dhd_bus_ds_state inbstate)
#else
dhd_bus_ds_trace(dhd_bus_t *bus, uint32 dsval, bool d2h)
#endif /* PCIE_INB_DW */
{
uint32 cnt = bus->ds_trace_count % MAX_DS_TRACE_SIZE;
bus->ds_trace[cnt].timestamp = OSL_LOCALTIME_NS();
bus->ds_trace[cnt].d2h = d2h;
bus->ds_trace[cnt].dsval = dsval;
#ifdef PCIE_INB_DW
bus->ds_trace[cnt].inbstate = inbstate;
#endif /* PCIE_INB_DW */
bus->ds_trace_count ++;
}
#ifdef PCIE_INB_DW
const char *
dhd_convert_dsval(uint32 val, bool d2h)
{
if (d2h) {
switch (val) {
case D2H_DEV_D3_ACK:
return "D2H_DEV_D3_ACK";
case D2H_DEV_DS_ENTER_REQ:
return "D2H_DEV_DS_ENTER_REQ";
case D2H_DEV_DS_EXIT_NOTE:
return "D2H_DEV_DS_EXIT_NOTE";
case D2H_DEV_FWHALT:
return "D2H_DEV_FWHALT";
case D2HMB_DS_HOST_SLEEP_EXIT_ACK:
return "D2HMB_DS_HOST_SLEEP_EXIT_ACK";
default:
return "INVALID";
}
} else {
switch (val) {
case H2DMB_DS_DEVICE_WAKE_DEASSERT:
return "H2DMB_DS_DEVICE_WAKE_DEASSERT";
case H2DMB_DS_DEVICE_WAKE_ASSERT:
return "H2DMB_DS_DEVICE_WAKE_ASSERT";
case H2D_HOST_D3_INFORM:
return "H2D_HOST_D3_INFORM";
case H2D_HOST_DS_ACK:
return "H2D_HOST_DS_ACK";
case H2D_HOST_DS_NAK:
return "H2D_HOST_DS_NAK";
case H2D_HOST_CONS_INT:
return "H2D_HOST_CONS_INT";
case H2D_FW_TRAP:
return "H2D_FW_TRAP";
default:
return "INVALID";
}
}
}
const char *
dhd_convert_inb_state_names(enum dhd_bus_ds_state inbstate)
{
switch (inbstate) {
case DW_DEVICE_DS_DEV_SLEEP:
return "DW_DEVICE_DS_DEV_SLEEP";
break;
case DW_DEVICE_DS_DISABLED_WAIT:
return "DW_DEVICE_DS_DISABLED_WAIT";
break;
case DW_DEVICE_DS_DEV_WAKE:
return "DW_DEVICE_DS_DEV_WAKE";
break;
case DW_DEVICE_DS_ACTIVE:
return "DW_DEVICE_DS_ACTIVE";
break;
case DW_DEVICE_HOST_SLEEP_WAIT:
return "DW_DEVICE_HOST_SLEEP_WAIT";
break;
case DW_DEVICE_HOST_SLEEP:
return "DW_DEVICE_HOST_SLEEP";
break;
case DW_DEVICE_HOST_WAKE_WAIT:
return "DW_DEVICE_HOST_WAKE_WAIT";
break;
case DW_DEVICE_DS_D3_INFORM_WAIT:
return "DW_DEVICE_DS_D3_INFORM_WAIT";
break;
default:
return "INVALID";
}
}
#endif /* PCIE_INB_DW */
void
dhd_dump_bus_ds_trace(dhd_bus_t *bus, struct bcmstrbuf *strbuf)
{
int dumpsz;
int i;
dumpsz = bus->ds_trace_count < MAX_DS_TRACE_SIZE ?
bus->ds_trace_count : MAX_DS_TRACE_SIZE;
if (dumpsz == 0) {
bcm_bprintf(strbuf, "\nEmpty DS TRACE\n");
return;
}
bcm_bprintf(strbuf, "---- DS TRACE ------\n");
#ifdef PCIE_INB_DW
bcm_bprintf(strbuf, "%s\t\t%s\t%-30s\t\t%s\n",
"Timestamp us", "Dir", "Value", "Inband-State");
for (i = 0; i < dumpsz; i ++) {
bcm_bprintf(strbuf, "%llu\t%s\t%-30s\t\t%s\n",
bus->ds_trace[i].timestamp,
bus->ds_trace[i].d2h ? "D2H":"H2D",
dhd_convert_dsval(bus->ds_trace[i].dsval, bus->ds_trace[i].d2h),
dhd_convert_inb_state_names(bus->ds_trace[i].inbstate));
}
#else
bcm_bprintf(strbuf, "Timestamp us\t\tDir\tValue\n");
for (i = 0; i < dumpsz; i ++) {
bcm_bprintf(strbuf, "%llu\t%s\t%d\n",
bus->ds_trace[i].timestamp,
bus->ds_trace[i].d2h ? "D2H":"H2D",
bus->ds_trace[i].dsval);
}
#endif /* PCIE_INB_DW */
bcm_bprintf(strbuf, "--------------------------\n");
}
void
dhd_bus_dump_trap_info(dhd_bus_t *bus, struct bcmstrbuf *strbuf)
{
trap_t *tr = &bus->dhd->last_trap_info;
bcm_bprintf(strbuf,
"\nTRAP type 0x%x @ epc 0x%x, cpsr 0x%x, spsr 0x%x, sp 0x%x,"
" lp 0x%x, rpc 0x%x"
"\nTrap offset 0x%x, r0 0x%x, r1 0x%x, r2 0x%x, r3 0x%x, "
"r4 0x%x, r5 0x%x, r6 0x%x, r7 0x%x, r8 0x%x, r9 0x%x, "
"r10 0x%x, r11 0x%x, r12 0x%x\n\n",
ltoh32(tr->type), ltoh32(tr->epc), ltoh32(tr->cpsr), ltoh32(tr->spsr),
ltoh32(tr->r13), ltoh32(tr->r14), ltoh32(tr->pc),
ltoh32(bus->pcie_sh->trap_addr),
ltoh32(tr->r0), ltoh32(tr->r1), ltoh32(tr->r2), ltoh32(tr->r3),
ltoh32(tr->r4), ltoh32(tr->r5), ltoh32(tr->r6), ltoh32(tr->r7),
ltoh32(tr->r8), ltoh32(tr->r9), ltoh32(tr->r10),
ltoh32(tr->r11), ltoh32(tr->r12));
}
int
dhd_bus_readwrite_bp_addr(dhd_pub_t *dhdp, uint addr, uint size, uint* data, bool read)
{
int bcmerror = 0;
struct dhd_bus *bus = dhdp->bus;
if (serialized_backplane_access(bus, addr, size, data, read) != BCME_OK) {
DHD_ERROR(("Invalid size/addr combination \n"));
bcmerror = BCME_ERROR;
}
return bcmerror;
}
int
dhd_get_idletime(dhd_pub_t *dhd)
{
return dhd->bus->idletime;
}
bool
dhd_get_rpm_state(dhd_pub_t *dhd)
{
return dhd->bus->rpm_enabled;
}
void
dhd_set_rpm_state(dhd_pub_t *dhd, bool state)
{
DHD_ERROR(("%s: %d\n", __FUNCTION__, state));
dhd->bus->rpm_enabled = state;
}
static INLINE void
dhd_sbreg_op(dhd_pub_t *dhd, uint addr, uint *val, bool read)
{
OSL_DELAY(1);
if (serialized_backplane_access(dhd->bus, addr, sizeof(uint), val, read) != BCME_OK) {
DHD_ERROR(("sbreg: Invalid uint addr: 0x%x \n", addr));
} else {
DHD_ERROR(("sbreg: addr:0x%x val:0x%x read:%d\n", addr, *val, read));
}
return;
}
#ifdef DHD_SSSR_DUMP
static int
dhdpcie_get_sssr_fifo_dump(dhd_pub_t *dhd, uint *buf, uint fifo_size,
uint addr_reg, uint data_reg)
{
uint addr;
uint val = 0;
int i;
DHD_ERROR(("%s\n", __FUNCTION__));
if (!buf) {
DHD_ERROR(("%s: buf is NULL\n", __FUNCTION__));
return BCME_ERROR;
}
if (!fifo_size) {
DHD_ERROR(("%s: fifo_size is 0\n", __FUNCTION__));
return BCME_ERROR;
}
/* Set the base address offset to 0 */
addr = addr_reg;
val = 0;
dhd_sbreg_op(dhd, addr, &val, FALSE);
addr = data_reg;
/* Read 4 bytes at once and loop for fifo_size / 4 */
for (i = 0; i < fifo_size / 4; i++) {
if (serialized_backplane_access(dhd->bus, addr,
sizeof(uint), &val, TRUE) != BCME_OK) {
DHD_ERROR(("%s: error in serialized_backplane_access\n", __FUNCTION__));
return BCME_ERROR;
}
buf[i] = val;
OSL_DELAY(1);
}
return BCME_OK;
}
static int
dhdpcie_get_sssr_dig_dump(dhd_pub_t *dhd, uint *buf, uint fifo_size,
uint addr_reg)
{
uint addr;
uint val = 0;
int i;
si_t *sih = dhd->bus->sih;
bool vasip_enab, dig_mem_check;
uint32 ioctrl_addr = 0;
DHD_ERROR(("%s addr_reg=0x%x size=0x%x\n", __FUNCTION__, addr_reg, fifo_size));
if (!buf) {
DHD_ERROR(("%s: buf is NULL\n", __FUNCTION__));
return BCME_ERROR;
}
if (!fifo_size) {
DHD_ERROR(("%s: fifo_size is 0\n", __FUNCTION__));
return BCME_ERROR;
}
vasip_enab = FALSE;
dig_mem_check = FALSE;
/* SSSR register information structure v0 and v1 shares most except dig_mem */
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
if ((dhd->sssr_reg_info->rev2.length > OFFSETOF(sssr_reg_info_v2_t,
dig_mem_info)) && dhd->sssr_reg_info->rev2.dig_mem_info.dig_sr_size) {
dig_mem_check = TRUE;
}
break;
case SSSR_REG_INFO_VER_1 :
if (dhd->sssr_reg_info->rev1.vasip_regs.vasip_sr_size) {
vasip_enab = TRUE;
} else if ((dhd->sssr_reg_info->rev1.length > OFFSETOF(sssr_reg_info_v1_t,
dig_mem_info)) && dhd->sssr_reg_info->rev1.
dig_mem_info.dig_sr_size) {
dig_mem_check = TRUE;
}
ioctrl_addr = dhd->sssr_reg_info->rev1.vasip_regs.wrapper_regs.ioctrl;
break;
case SSSR_REG_INFO_VER_0 :
if (dhd->sssr_reg_info->rev0.vasip_regs.vasip_sr_size) {
vasip_enab = TRUE;
}
ioctrl_addr = dhd->sssr_reg_info->rev0.vasip_regs.wrapper_regs.ioctrl;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
if (addr_reg) {
DHD_ERROR(("dig_mem_check=%d vasip_enab=%d\n", dig_mem_check, vasip_enab));
if (!vasip_enab && dig_mem_check) {
int err = dhdpcie_bus_membytes(dhd->bus, FALSE, addr_reg, (uint8 *)buf,
fifo_size);
if (err != BCME_OK) {
DHD_ERROR(("%s: Error reading dig dump from dongle !\n",
__FUNCTION__));
}
} else {
/* Check if vasip clk is disabled, if yes enable it */
addr = ioctrl_addr;
dhd_sbreg_op(dhd, addr, &val, TRUE);
if (!val) {
val = 1;
dhd_sbreg_op(dhd, addr, &val, FALSE);
}
addr = addr_reg;
/* Read 4 bytes at once and loop for fifo_size / 4 */
for (i = 0; i < fifo_size / 4; i++, addr += 4) {
if (serialized_backplane_access(dhd->bus, addr, sizeof(uint),
&val, TRUE) != BCME_OK) {
DHD_ERROR(("%s: Invalid uint addr: 0x%x \n", __FUNCTION__,
addr));
return BCME_ERROR;
}
buf[i] = val;
OSL_DELAY(1);
}
}
} else {
uint cur_coreid;
uint chipc_corerev;
chipcregs_t *chipcregs;
/* Save the current core */
cur_coreid = si_coreid(sih);
/* Switch to ChipC */
chipcregs = (chipcregs_t *)si_setcore(sih, CC_CORE_ID, 0);
if (!chipcregs) {
DHD_ERROR(("%s: si_setcore returns NULL for core id %u \n",
__FUNCTION__, CC_CORE_ID));
return BCME_ERROR;
}
chipc_corerev = si_corerev(sih);
if ((chipc_corerev == 64) || (chipc_corerev == 65)) {
W_REG(si_osh(sih), &chipcregs->sr_memrw_addr, 0);
/* Read 4 bytes at once and loop for fifo_size / 4 */
for (i = 0; i < fifo_size / 4; i++) {
buf[i] = R_REG(si_osh(sih), &chipcregs->sr_memrw_data);
OSL_DELAY(1);
}
}
/* Switch back to the original core */
si_setcore(sih, cur_coreid, 0);
}
return BCME_OK;
}
#if defined(BCMPCIE) && defined(EWP_ETD_PRSRV_LOGS)
void
dhdpcie_get_etd_preserve_logs(dhd_pub_t *dhd,
uint8 *ext_trap_data, void *event_decode_data)
{
hnd_ext_trap_hdr_t *hdr = NULL;
bcm_tlv_t *tlv;
eventlog_trapdata_info_t *etd_evtlog = NULL;
eventlog_trap_buf_info_t *evtlog_buf_arr = NULL;
uint arr_size = 0;
int i = 0;
int err = 0;
uint32 seqnum = 0;
if (!ext_trap_data || !event_decode_data || !dhd)
return;
if (!dhd->concise_dbg_buf)
return;
/* First word is original trap_data, skip */
ext_trap_data += sizeof(uint32);
hdr = (hnd_ext_trap_hdr_t *)ext_trap_data;
tlv = bcm_parse_tlvs(hdr->data, hdr->len, TAG_TRAP_LOG_DATA);
if (tlv) {
uint32 baseaddr = 0;
uint32 endaddr = dhd->bus->dongle_ram_base + dhd->bus->ramsize - 4;
etd_evtlog = (eventlog_trapdata_info_t *)tlv->data;
DHD_ERROR(("%s: etd_evtlog tlv found, num_elements=%x; "
"seq_num=%x; log_arr_addr=%x\n", __FUNCTION__,
(etd_evtlog->num_elements),
ntoh32(etd_evtlog->seq_num), (etd_evtlog->log_arr_addr)));
if (!etd_evtlog->num_elements ||
etd_evtlog->num_elements > MAX_EVENTLOG_BUFFERS) {
DHD_ERROR(("%s: ETD has bad 'num_elements' !\n", __FUNCTION__));
return;
}
if (!etd_evtlog->log_arr_addr) {
DHD_ERROR(("%s: ETD has bad 'log_arr_addr' !\n", __FUNCTION__));
return;
}
arr_size = (uint32)sizeof(*evtlog_buf_arr) * (etd_evtlog->num_elements);
evtlog_buf_arr = MALLOCZ(dhd->osh, arr_size);
if (!evtlog_buf_arr) {
DHD_ERROR(("%s: out of memory !\n", __FUNCTION__));
return;
}
/* boundary check */
baseaddr = etd_evtlog->log_arr_addr;
if ((baseaddr < dhd->bus->dongle_ram_base) ||
((baseaddr + arr_size) > endaddr)) {
DHD_ERROR(("%s: Error reading invalid address\n",
__FUNCTION__));
goto err;
}
/* read the eventlog_trap_buf_info_t array from dongle memory */
err = dhdpcie_bus_membytes(dhd->bus, FALSE,
(ulong)(etd_evtlog->log_arr_addr),
(uint8 *)evtlog_buf_arr, arr_size);
if (err != BCME_OK) {
DHD_ERROR(("%s: Error reading event log array from dongle !\n",
__FUNCTION__));
goto err;
}
/* ntoh is required only for seq_num, because in the original
* case of event logs from info ring, it is sent from dongle in that way
* so for ETD also dongle follows same convention
*/
seqnum = ntoh32(etd_evtlog->seq_num);
memset(dhd->concise_dbg_buf, 0, CONCISE_DUMP_BUFLEN);
for (i = 0; i < (etd_evtlog->num_elements); ++i) {
/* boundary check */
baseaddr = evtlog_buf_arr[i].buf_addr;
if ((baseaddr < dhd->bus->dongle_ram_base) ||
((baseaddr + evtlog_buf_arr[i].len) > endaddr)) {
DHD_ERROR(("%s: Error reading invalid address\n",
__FUNCTION__));
goto err;
}
/* read each individual event log buf from dongle memory */
err = dhdpcie_bus_membytes(dhd->bus, FALSE,
((ulong)evtlog_buf_arr[i].buf_addr),
dhd->concise_dbg_buf, (evtlog_buf_arr[i].len));
if (err != BCME_OK) {
DHD_ERROR(("%s: Error reading event log buffer from dongle !\n",
__FUNCTION__));
goto err;
}
dhd_dbg_msgtrace_log_parser(dhd, dhd->concise_dbg_buf,
event_decode_data, (evtlog_buf_arr[i].len),
FALSE, hton32(seqnum));
++seqnum;
}
err:
MFREE(dhd->osh, evtlog_buf_arr, arr_size);
} else {
DHD_ERROR(("%s: Error getting trap log data in ETD !\n", __FUNCTION__));
}
}
#endif /* BCMPCIE && DHD_LOG_DUMP */
static uint32
dhdpcie_resume_chipcommon_powerctrl(dhd_pub_t *dhd, uint32 reg_val)
{
uint addr;
uint val = 0;
uint powerctrl_mask;
DHD_ERROR(("%s\n", __FUNCTION__));
/* SSSR register information structure v0 and v1 shares most except dig_mem */
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
addr = dhd->sssr_reg_info->rev2.chipcommon_regs.base_regs.powerctrl;
powerctrl_mask = dhd->sssr_reg_info->rev2.
chipcommon_regs.base_regs.powerctrl_mask;
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
addr = dhd->sssr_reg_info->rev1.chipcommon_regs.base_regs.powerctrl;
powerctrl_mask = dhd->sssr_reg_info->rev1.
chipcommon_regs.base_regs.powerctrl_mask;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
/* conditionally clear bits [11:8] of PowerCtrl */
dhd_sbreg_op(dhd, addr, &val, TRUE);
if (!(val & powerctrl_mask)) {
dhd_sbreg_op(dhd, addr, &reg_val, FALSE);
}
return BCME_OK;
}
static uint32
dhdpcie_suspend_chipcommon_powerctrl(dhd_pub_t *dhd)
{
uint addr;
uint val = 0, reg_val = 0;
uint powerctrl_mask;
DHD_ERROR(("%s\n", __FUNCTION__));
/* SSSR register information structure v0 and v1 shares most except dig_mem */
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
addr = dhd->sssr_reg_info->rev2.chipcommon_regs.base_regs.powerctrl;
powerctrl_mask = dhd->sssr_reg_info->rev2.
chipcommon_regs.base_regs.powerctrl_mask;
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
addr = dhd->sssr_reg_info->rev1.chipcommon_regs.base_regs.powerctrl;
powerctrl_mask = dhd->sssr_reg_info->rev1.
chipcommon_regs.base_regs.powerctrl_mask;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
/* conditionally clear bits [11:8] of PowerCtrl */
dhd_sbreg_op(dhd, addr, &reg_val, TRUE);
if (reg_val & powerctrl_mask) {
val = 0;
dhd_sbreg_op(dhd, addr, &val, FALSE);
}
return reg_val;
}
static int
dhdpcie_clear_intmask_and_timer(dhd_pub_t *dhd)
{
uint addr;
uint val;
uint32 cc_intmask, pmuintmask0, pmuintmask1, resreqtimer, macresreqtimer,
macresreqtimer1, vasip_sr_size = 0;
DHD_ERROR(("%s\n", __FUNCTION__));
/* SSSR register information structure v0 and v1 shares most except dig_mem */
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
cc_intmask = dhd->sssr_reg_info->rev2.chipcommon_regs.base_regs.intmask;
pmuintmask0 = dhd->sssr_reg_info->rev2.pmu_regs.base_regs.pmuintmask0;
pmuintmask1 = dhd->sssr_reg_info->rev2.pmu_regs.base_regs.pmuintmask1;
resreqtimer = dhd->sssr_reg_info->rev2.pmu_regs.base_regs.resreqtimer;
macresreqtimer = dhd->sssr_reg_info->rev2.pmu_regs.base_regs.macresreqtimer;
macresreqtimer1 = dhd->sssr_reg_info->rev2.
pmu_regs.base_regs.macresreqtimer1;
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
cc_intmask = dhd->sssr_reg_info->rev1.chipcommon_regs.base_regs.intmask;
pmuintmask0 = dhd->sssr_reg_info->rev1.pmu_regs.base_regs.pmuintmask0;
pmuintmask1 = dhd->sssr_reg_info->rev1.pmu_regs.base_regs.pmuintmask1;
resreqtimer = dhd->sssr_reg_info->rev1.pmu_regs.base_regs.resreqtimer;
macresreqtimer = dhd->sssr_reg_info->rev1.pmu_regs.base_regs.macresreqtimer;
macresreqtimer1 = dhd->sssr_reg_info->rev1.
pmu_regs.base_regs.macresreqtimer1;
vasip_sr_size = dhd->sssr_reg_info->rev1.vasip_regs.vasip_sr_size;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
/* clear chipcommon intmask */
val = 0x0;
dhd_sbreg_op(dhd, cc_intmask, &val, FALSE);
/* clear PMUIntMask0 */
val = 0x0;
dhd_sbreg_op(dhd, pmuintmask0, &val, FALSE);
/* clear PMUIntMask1 */
val = 0x0;
dhd_sbreg_op(dhd, pmuintmask1, &val, FALSE);
/* clear res_req_timer */
val = 0x0;
dhd_sbreg_op(dhd, resreqtimer, &val, FALSE);
/* clear macresreqtimer */
val = 0x0;
dhd_sbreg_op(dhd, macresreqtimer, &val, FALSE);
/* clear macresreqtimer1 */
val = 0x0;
dhd_sbreg_op(dhd, macresreqtimer1, &val, FALSE);
/* clear VasipClkEn */
if (vasip_sr_size) {
addr = dhd->sssr_reg_info->rev1.vasip_regs.wrapper_regs.ioctrl;
val = 0x0;
dhd_sbreg_op(dhd, addr, &val, FALSE);
}
return BCME_OK;
}
static void
dhdpcie_update_d11_status_from_trapdata(dhd_pub_t *dhd)
{
#define TRAP_DATA_MAIN_CORE_BIT_MASK (1 << 1)
#define TRAP_DATA_AUX_CORE_BIT_MASK (1 << 4)
uint trap_data_mask[MAX_NUM_D11CORES] =
{TRAP_DATA_MAIN_CORE_BIT_MASK, TRAP_DATA_AUX_CORE_BIT_MASK};
int i;
/* Apply only for 4375 chip */
if (dhd_bus_chip_id(dhd) == BCM4375_CHIP_ID) {
for (i = 0; i < MAX_NUM_D11CORES; i++) {
if (dhd->sssr_d11_outofreset[i] &&
(dhd->dongle_trap_data & trap_data_mask[i])) {
dhd->sssr_d11_outofreset[i] = TRUE;
} else {
dhd->sssr_d11_outofreset[i] = FALSE;
}
DHD_ERROR(("%s: sssr_d11_outofreset[%d] : %d after AND with "
"trap_data:0x%x-0x%x\n",
__FUNCTION__, i, dhd->sssr_d11_outofreset[i],
dhd->dongle_trap_data, trap_data_mask[i]));
}
}
}
static int
dhdpcie_d11_check_outofreset(dhd_pub_t *dhd)
{
int i;
uint addr = 0;
uint val = 0;
uint8 num_d11cores;
DHD_ERROR(("%s\n", __FUNCTION__));
num_d11cores = dhd_d11_slices_num_get(dhd);
for (i = 0; i < num_d11cores; i++) {
/* Check if bit 0 of resetctrl is cleared */
/* SSSR register information structure v0 and
* v1 shares most except dig_mem
*/
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
addr = dhd->sssr_reg_info->rev2.
mac_regs[i].wrapper_regs.resetctrl;
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
addr = dhd->sssr_reg_info->rev1.
mac_regs[i].wrapper_regs.resetctrl;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
if (!addr) {
DHD_ERROR(("%s: skipping for core[%d] as 'addr' is NULL\n",
__FUNCTION__, i));
continue;
}
dhd_sbreg_op(dhd, addr, &val, TRUE);
if (!(val & 1)) {
dhd->sssr_d11_outofreset[i] = TRUE;
} else {
dhd->sssr_d11_outofreset[i] = FALSE;
}
DHD_ERROR(("%s: sssr_d11_outofreset[%d] : %d\n",
__FUNCTION__, i, dhd->sssr_d11_outofreset[i]));
}
/* XXX Temporary WAR for 4375 to handle AXI errors on bad core
* to not collect SSSR dump for the core whose bit is not set in trap_data.
* It will be reverted once AXI errors are fixed
*/
dhdpcie_update_d11_status_from_trapdata(dhd);
return BCME_OK;
}
static int
dhdpcie_d11_clear_clk_req(dhd_pub_t *dhd)
{
int i;
uint val = 0;
uint8 num_d11cores;
uint32 clockrequeststatus, clockcontrolstatus, clockcontrolstatus_val;
DHD_ERROR(("%s\n", __FUNCTION__));
num_d11cores = dhd_d11_slices_num_get(dhd);
for (i = 0; i < num_d11cores; i++) {
if (dhd->sssr_d11_outofreset[i]) {
/* clear request clk only if itopoobb/extrsrcreqs is non zero */
/* SSSR register information structure v0 and
* v1 shares most except dig_mem
*/
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
clockrequeststatus = dhd->sssr_reg_info->rev2.
mac_regs[i].wrapper_regs.extrsrcreq;
clockcontrolstatus = dhd->sssr_reg_info->rev2.
mac_regs[i].base_regs.clockcontrolstatus;
clockcontrolstatus_val = dhd->sssr_reg_info->rev2.
mac_regs[i].base_regs.clockcontrolstatus_val;
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
clockrequeststatus = dhd->sssr_reg_info->rev1.
mac_regs[i].wrapper_regs.itopoobb;
clockcontrolstatus = dhd->sssr_reg_info->rev1.
mac_regs[i].base_regs.clockcontrolstatus;
clockcontrolstatus_val = dhd->sssr_reg_info->rev1.
mac_regs[i].base_regs.clockcontrolstatus_val;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
dhd_sbreg_op(dhd, clockrequeststatus, &val, TRUE);
if (val != 0) {
/* clear clockcontrolstatus */
dhd_sbreg_op(dhd, clockcontrolstatus,
&clockcontrolstatus_val, FALSE);
}
}
}
return BCME_OK;
}
static int
dhdpcie_arm_clear_clk_req(dhd_pub_t *dhd)
{
uint val = 0;
uint cfgval = 0;
uint32 resetctrl, clockrequeststatus, clockcontrolstatus, clockcontrolstatus_val;
DHD_ERROR(("%s\n", __FUNCTION__));
/* SSSR register information structure v0 and v1 shares most except dig_mem */
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
resetctrl = dhd->sssr_reg_info->rev2.
arm_regs.wrapper_regs.resetctrl;
clockrequeststatus = dhd->sssr_reg_info->rev2.
arm_regs.wrapper_regs.extrsrcreq;
clockcontrolstatus = dhd->sssr_reg_info->rev2.
arm_regs.base_regs.clockcontrolstatus;
clockcontrolstatus_val = dhd->sssr_reg_info->rev2.
arm_regs.base_regs.clockcontrolstatus_val;
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
resetctrl = dhd->sssr_reg_info->rev1.
arm_regs.wrapper_regs.resetctrl;
clockrequeststatus = dhd->sssr_reg_info->rev1.
arm_regs.wrapper_regs.itopoobb;
clockcontrolstatus = dhd->sssr_reg_info->rev1.
arm_regs.base_regs.clockcontrolstatus;
clockcontrolstatus_val = dhd->sssr_reg_info->rev1.
arm_regs.base_regs.clockcontrolstatus_val;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
/* Check if bit 0 of resetctrl is cleared */
dhd_sbreg_op(dhd, resetctrl, &val, TRUE);
if (!(val & 1)) {
/* clear request clk only if itopoobb/extrsrcreqs is non zero */
dhd_sbreg_op(dhd, clockrequeststatus, &val, TRUE);
if (val != 0) {
/* clear clockcontrolstatus */
dhd_sbreg_op(dhd, clockcontrolstatus, &clockcontrolstatus_val, FALSE);
}
if (MULTIBP_ENAB(dhd->bus->sih)) {
/* Clear coherent bits for CA7 because CPU is halted */
if (dhd->bus->coreid == ARMCA7_CORE_ID) {
cfgval = dhdpcie_bus_cfg_read_dword(dhd->bus,
PCIE_CFG_SUBSYSTEM_CONTROL, 4);
dhdpcie_bus_cfg_write_dword(dhd->bus, PCIE_CFG_SUBSYSTEM_CONTROL, 4,
(cfgval & ~PCIE_BARCOHERENTACCEN_MASK));
}
/* Just halt ARM but do not reset the core */
resetctrl &= ~(SI_CORE_SIZE - 1);
resetctrl += OFFSETOF(aidmp_t, ioctrl);
dhd_sbreg_op(dhd, resetctrl, &val, TRUE);
val |= SICF_CPUHALT;
dhd_sbreg_op(dhd, resetctrl, &val, FALSE);
}
}
return BCME_OK;
}
static int
dhdpcie_arm_resume_clk_req(dhd_pub_t *dhd)
{
uint val = 0;
uint32 resetctrl;
DHD_ERROR(("%s\n", __FUNCTION__));
/* SSSR register information structure v0 and v1 shares most except dig_mem */
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
resetctrl = dhd->sssr_reg_info->rev2.
arm_regs.wrapper_regs.resetctrl;
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
resetctrl = dhd->sssr_reg_info->rev1.
arm_regs.wrapper_regs.resetctrl;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
/* Check if bit 0 of resetctrl is cleared */
dhd_sbreg_op(dhd, resetctrl, &val, TRUE);
if (!(val & 1)) {
if (MULTIBP_ENAB(dhd->bus->sih) && (dhd->bus->coreid != ARMCA7_CORE_ID)) {
/* Take ARM out of halt but do not reset core */
resetctrl &= ~(SI_CORE_SIZE - 1);
resetctrl += OFFSETOF(aidmp_t, ioctrl);
dhd_sbreg_op(dhd, resetctrl, &val, TRUE);
val &= ~SICF_CPUHALT;
dhd_sbreg_op(dhd, resetctrl, &val, FALSE);
dhd_sbreg_op(dhd, resetctrl, &val, TRUE);
}
}
return BCME_OK;
}
static int
dhdpcie_pcie_clear_clk_req(dhd_pub_t *dhd)
{
uint val = 0;
uint32 clockrequeststatus, clockcontrolstatus_addr, clockcontrolstatus_val;
DHD_ERROR(("%s\n", __FUNCTION__));
/* SSSR register information structure v0 and v1 shares most except dig_mem */
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
clockrequeststatus = dhd->sssr_reg_info->rev2.
pcie_regs.wrapper_regs.extrsrcreq;
clockcontrolstatus_addr = dhd->sssr_reg_info->rev2.
pcie_regs.base_regs.clockcontrolstatus;
clockcontrolstatus_val = dhd->sssr_reg_info->rev2.
pcie_regs.base_regs.clockcontrolstatus_val;
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
clockrequeststatus = dhd->sssr_reg_info->rev1.
pcie_regs.wrapper_regs.itopoobb;
clockcontrolstatus_addr = dhd->sssr_reg_info->rev1.
pcie_regs.base_regs.clockcontrolstatus;
clockcontrolstatus_val = dhd->sssr_reg_info->rev1.
pcie_regs.base_regs.clockcontrolstatus_val;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
/* clear request clk only if itopoobb/extrsrcreqs is non zero */
dhd_sbreg_op(dhd, clockrequeststatus, &val, TRUE);
if (val) {
/* clear clockcontrolstatus */
dhd_sbreg_op(dhd, clockcontrolstatus_addr, &clockcontrolstatus_val, FALSE);
}
return BCME_OK;
}
static int
dhdpcie_pcie_send_ltrsleep(dhd_pub_t *dhd)
{
uint addr;
uint val = 0;
DHD_ERROR(("%s\n", __FUNCTION__));
/* SSSR register information structure v0 and v1 shares most except dig_mem */
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
addr = dhd->sssr_reg_info->rev2.pcie_regs.base_regs.ltrstate;
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
addr = dhd->sssr_reg_info->rev1.pcie_regs.base_regs.ltrstate;
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
val = LTR_ACTIVE;
dhd_sbreg_op(dhd, addr, &val, FALSE);
val = LTR_SLEEP;
dhd_sbreg_op(dhd, addr, &val, FALSE);
return BCME_OK;
}
static int
dhdpcie_clear_clk_req(dhd_pub_t *dhd)
{
DHD_ERROR(("%s\n", __FUNCTION__));
dhdpcie_arm_clear_clk_req(dhd);
dhdpcie_d11_clear_clk_req(dhd);
dhdpcie_pcie_clear_clk_req(dhd);
return BCME_OK;
}
static int
dhdpcie_bring_d11_outofreset(dhd_pub_t *dhd)
{
int i;
uint val = 0;
uint8 num_d11cores;
uint32 resetctrl_addr, ioctrl_addr, ioctrl_resetseq_val0, ioctrl_resetseq_val1,
ioctrl_resetseq_val2, ioctrl_resetseq_val3, ioctrl_resetseq_val4;
DHD_ERROR(("%s\n", __FUNCTION__));
num_d11cores = dhd_d11_slices_num_get(dhd);
for (i = 0; i < num_d11cores; i++) {
if (dhd->sssr_d11_outofreset[i]) {
/* SSSR register information structure v0 and v1 shares
* most except dig_mem
*/
switch (dhd->sssr_reg_info->rev2.version) {
case SSSR_REG_INFO_VER_3 :
/* intentional fall through */
case SSSR_REG_INFO_VER_2 :
resetctrl_addr = dhd->sssr_reg_info->rev2.mac_regs[i].
wrapper_regs.resetctrl;
ioctrl_addr = dhd->sssr_reg_info->rev2.mac_regs[i].
wrapper_regs.ioctrl;
ioctrl_resetseq_val0 = dhd->sssr_reg_info->rev2.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[0];
ioctrl_resetseq_val1 = dhd->sssr_reg_info->rev2.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[1];
ioctrl_resetseq_val2 = dhd->sssr_reg_info->rev2.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[2];
ioctrl_resetseq_val3 = dhd->sssr_reg_info->rev2.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[3];
ioctrl_resetseq_val4 = dhd->sssr_reg_info->rev2.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[4];
break;
case SSSR_REG_INFO_VER_1 :
case SSSR_REG_INFO_VER_0 :
resetctrl_addr = dhd->sssr_reg_info->rev1.mac_regs[i].
wrapper_regs.resetctrl;
ioctrl_addr = dhd->sssr_reg_info->rev1.mac_regs[i].
wrapper_regs.ioctrl;
ioctrl_resetseq_val0 = dhd->sssr_reg_info->rev1.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[0];
ioctrl_resetseq_val1 = dhd->sssr_reg_info->rev1.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[1];
ioctrl_resetseq_val2 = dhd->sssr_reg_info->rev1.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[2];
ioctrl_resetseq_val3 = dhd->sssr_reg_info->rev1.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[3];
ioctrl_resetseq_val4 = dhd->sssr_reg_info->rev1.
mac_regs[0].wrapper_regs.ioctrl_resetseq_val[4];
break;
default :
DHD_ERROR(("invalid sssr_reg_ver"));
return BCME_UNSUPPORTED;
}
/* disable core by setting bit 0 */
val = 1;
dhd_sbreg_op(dhd, resetctrl_addr, &val, FALSE);
OSL_DELAY(6000);
dhd_sbreg_op(dhd, ioctrl_addr, &ioctrl_resetseq_val0, FALSE);
dhd_sbreg_op(dhd, ioctrl_addr, &ioctrl_resetseq_val1, FALSE);
/* enable core by clearing bit 0 */
val = 0;
dhd_sbreg_op(dhd, resetctrl_addr, &val, FALSE);
dhd_sbreg_op(dhd, ioctrl_addr, &ioctrl_resetseq_val2, FALSE);
dhd_sbreg_op(dhd, ioctrl_addr, &ioctrl_resetseq_val3, FALSE);
dhd_sbreg_op(dhd, ioctrl_addr, &ioctrl_resetseq_val4, FALSE);
}
}
return BCME_OK;
}
#ifdef DHD_SSSR_DUMP_BEFORE_SR
static int
dhdpcie_sssr_dump_get_before_sr(dhd_pub_t *dhd)
{
int i;
uint32 sr_size, xmtaddress, xmtdata, dig_buf_size, dig_buf_addr;
uint8 num_d11cores;
DHD_ERROR(("%s\n", __FUNCTION__));
num_d11cores = dhd_d11_slices_num_get(dhd);
for (i = 0; i < num_d11cores; i++) {
if (dhd->sssr_d11_outofreset[i]) {
sr_size = dhd_sssr_mac_buf_size(dhd, i);
xmtaddress = dhd_sssr_mac_xmtaddress(dhd, i);
xmtdata = dhd_sssr_mac_xmtdata(dhd, i);
dhdpcie_get_sssr_fifo_dump(dhd, dhd->sssr_d11_before[i],
sr_size, xmtaddress, xmtdata);
}
}
dig_buf_size = dhd_sssr_dig_buf_size(dhd);
dig_buf_addr = dhd_sssr_dig_buf_addr(dhd);
if (dig_buf_size) {
dhdpcie_get_sssr_dig_dump(dhd, dhd->sssr_dig_buf_before,
dig_buf_size, dig_buf_addr);
}
return BCME_OK;
}
#endif /* DHD_SSSR_DUMP_BEFORE_SR */
static int
dhdpcie_sssr_dump_get_after_sr(dhd_pub_t *dhd)
{
int i;
uint32 sr_size, xmtaddress, xmtdata, dig_buf_size, dig_buf_addr;
uint8 num_d11cores;
DHD_ERROR(("%s\n", __FUNCTION__));
num_d11cores = dhd_d11_slices_num_get(dhd);
for (i = 0; i < num_d11cores; i++) {
if (dhd->sssr_d11_outofreset[i]) {
sr_size = dhd_sssr_mac_buf_size(dhd, i);
xmtaddress = dhd_sssr_mac_xmtaddress(dhd, i);
xmtdata = dhd_sssr_mac_xmtdata(dhd, i);
dhdpcie_get_sssr_fifo_dump(dhd, dhd->sssr_d11_after[i],
sr_size, xmtaddress, xmtdata);
}
}
dig_buf_size = dhd_sssr_dig_buf_size(dhd);
dig_buf_addr = dhd_sssr_dig_buf_addr(dhd);
if (dig_buf_size) {
dhdpcie_get_sssr_dig_dump(dhd, dhd->sssr_dig_buf_after, dig_buf_size, dig_buf_addr);
}
return BCME_OK;
}
int
dhdpcie_sssr_dump(dhd_pub_t *dhd)
{
uint32 powerctrl_val;
if (!dhd->sssr_inited) {
DHD_ERROR(("%s: SSSR not inited\n", __FUNCTION__));
return BCME_ERROR;
}
if (dhd->bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link is down\n", __FUNCTION__));
return BCME_ERROR;
}
DHD_ERROR(("%s: Before WL down (powerctl: pcie:0x%x chipc:0x%x) "
"PMU rctl:0x%x res_state:0x%x\n", __FUNCTION__,
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
OFFSETOF(chipcregs_t, powerctl), 0, 0),
si_corereg(dhd->bus->sih, 0, OFFSETOF(chipcregs_t, powerctl), 0, 0),
PMU_REG(dhd->bus->sih, retention_ctl, 0, 0),
PMU_REG(dhd->bus->sih, res_state, 0, 0)));
dhdpcie_d11_check_outofreset(dhd);
#ifdef DHD_SSSR_DUMP_BEFORE_SR
DHD_ERROR(("%s: Collecting Dump before SR\n", __FUNCTION__));
if (dhdpcie_sssr_dump_get_before_sr(dhd) != BCME_OK) {
DHD_ERROR(("%s: dhdpcie_sssr_dump_get_before_sr failed\n", __FUNCTION__));
return BCME_ERROR;
}
#endif /* DHD_SSSR_DUMP_BEFORE_SR */
dhdpcie_clear_intmask_and_timer(dhd);
dhdpcie_clear_clk_req(dhd);
powerctrl_val = dhdpcie_suspend_chipcommon_powerctrl(dhd);
dhdpcie_pcie_send_ltrsleep(dhd);
if (MULTIBP_ENAB(dhd->bus->sih)) {
dhd_bus_pcie_pwr_req_wl_domain(dhd->bus, OFFSETOF(chipcregs_t, powerctl), FALSE);
}
/* Wait for some time before Restore */
OSL_DELAY(6000);
DHD_ERROR(("%s: After WL down (powerctl: pcie:0x%x chipc:0x%x) "
"PMU rctl:0x%x res_state:0x%x\n", __FUNCTION__,
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
OFFSETOF(chipcregs_t, powerctl), 0, 0),
si_corereg(dhd->bus->sih, 0, OFFSETOF(chipcregs_t, powerctl), 0, 0),
PMU_REG(dhd->bus->sih, retention_ctl, 0, 0),
PMU_REG(dhd->bus->sih, res_state, 0, 0)));
if (MULTIBP_ENAB(dhd->bus->sih)) {
dhd_bus_pcie_pwr_req_wl_domain(dhd->bus, OFFSETOF(chipcregs_t, powerctl), TRUE);
/* Add delay for WL domain to power up */
OSL_DELAY(15000);
DHD_ERROR(("%s: After WL up again (powerctl: pcie:0x%x chipc:0x%x) "
"PMU rctl:0x%x res_state:0x%x\n", __FUNCTION__,
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
OFFSETOF(chipcregs_t, powerctl), 0, 0),
si_corereg(dhd->bus->sih, 0, OFFSETOF(chipcregs_t, powerctl), 0, 0),
PMU_REG(dhd->bus->sih, retention_ctl, 0, 0),
PMU_REG(dhd->bus->sih, res_state, 0, 0)));
}
dhdpcie_resume_chipcommon_powerctrl(dhd, powerctrl_val);
dhdpcie_arm_resume_clk_req(dhd);
dhdpcie_bring_d11_outofreset(dhd);
DHD_ERROR(("%s: Collecting Dump after SR\n", __FUNCTION__));
if (dhdpcie_sssr_dump_get_after_sr(dhd) != BCME_OK) {
DHD_ERROR(("%s: dhdpcie_sssr_dump_get_after_sr failed\n", __FUNCTION__));
return BCME_ERROR;
}
dhd->sssr_dump_collected = TRUE;
dhd_write_sssr_dump(dhd, SSSR_DUMP_MODE_SSSR);
return BCME_OK;
}
#define PCIE_CFG_DSTATE_MASK 0x11u
static int
dhdpcie_fis_trigger(dhd_pub_t *dhd)
{
uint32 fis_ctrl_status;
uint32 cfg_status_cmd;
uint32 cfg_pmcsr;
if (!dhd->sssr_inited) {
DHD_ERROR(("%s: SSSR not inited\n", __FUNCTION__));
return BCME_ERROR;
}
if (dhd->bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link is down\n", __FUNCTION__));
return BCME_ERROR;
}
#ifdef DHD_PCIE_RUNTIMEPM
/* Bring back to D0 */
dhdpcie_runtime_bus_wake(dhd, CAN_SLEEP(), __builtin_return_address(0));
/* Stop RPM timer so that even INB DW DEASSERT should not happen */
DHD_STOP_RPM_TIMER(dhd);
#endif /* DHD_PCIE_RUNTIMEPM */
/* Set fis_triggered flag to ignore link down callback from RC */
dhd->fis_triggered = TRUE;
/* Set FIS PwrswForceOnAll */
PMU_REG(dhd->bus->sih, fis_ctrl_status, PMU_FIS_FORCEON_ALL_MASK, PMU_FIS_FORCEON_ALL_MASK);
fis_ctrl_status = PMU_REG(dhd->bus->sih, fis_ctrl_status, 0, 0);
DHD_ERROR(("%s: fis_ctrl_status=0x%x\n", __FUNCTION__, fis_ctrl_status));
cfg_status_cmd = dhd_pcie_config_read(dhd->bus, PCIECFGREG_STATUS_CMD, sizeof(uint32));
cfg_pmcsr = dhd_pcie_config_read(dhd->bus, PCIE_CFG_PMCSR, sizeof(uint32));
DHD_ERROR(("before save: Status Command(0x%x)=0x%x PCIE_CFG_PMCSR(0x%x)=0x%x\n",
PCIECFGREG_STATUS_CMD, cfg_status_cmd, PCIE_CFG_PMCSR, cfg_pmcsr));
DHD_PCIE_CONFIG_SAVE(dhd->bus);
/* Trigger FIS */
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
DAR_FIS_CTRL(dhd->bus->sih->buscorerev), ~0, DAR_FIS_START_MASK);
OSL_DELAY(100 * 1000);
#ifdef OEM_ANDROID
/*
* For android built-in platforms need to perform REG ON/OFF
* to restore pcie link.
* dhd_download_fw_on_driverload will be FALSE for built-in.
*/
if (!dhd_download_fw_on_driverload) {
DHD_ERROR(("%s: Toggle REG_ON and restore config space\n", __FUNCTION__));
dhdpcie_bus_stop_host_dev(dhd->bus);
dhd_wifi_platform_set_power(dhd, FALSE);
dhd_wifi_platform_set_power(dhd, TRUE);
dhdpcie_bus_start_host_dev(dhd->bus);
/* Restore inited pcie cfg from pci_load_saved_state */
dhdpcie_bus_enable_device(dhd->bus);
}
#endif /* OEM_ANDROID */
cfg_status_cmd = dhd_pcie_config_read(dhd->bus, PCIECFGREG_STATUS_CMD, sizeof(uint32));
cfg_pmcsr = dhd_pcie_config_read(dhd->bus, PCIE_CFG_PMCSR, sizeof(uint32));
DHD_ERROR(("after regon-restore: Status Command(0x%x)=0x%x PCIE_CFG_PMCSR(0x%x)=0x%x\n",
PCIECFGREG_STATUS_CMD, cfg_status_cmd, PCIE_CFG_PMCSR, cfg_pmcsr));
/* To-Do: below is debug code, remove this if EP is in D0 after REG-ON restore */
DHD_PCIE_CONFIG_RESTORE(dhd->bus);
cfg_status_cmd = dhd_pcie_config_read(dhd->bus, PCIECFGREG_STATUS_CMD, sizeof(uint32));
cfg_pmcsr = dhd_pcie_config_read(dhd->bus, PCIE_CFG_PMCSR, sizeof(uint32));
DHD_ERROR(("after normal-restore: Status Command(0x%x)=0x%x PCIE_CFG_PMCSR(0x%x)=0x%x\n",
PCIECFGREG_STATUS_CMD, cfg_status_cmd, PCIE_CFG_PMCSR, cfg_pmcsr));
/*
* To-Do: below is debug code, remove this if EP is in D0 after REG-ON restore
* in both MSM and LSI RCs
*/
if ((cfg_pmcsr & PCIE_CFG_DSTATE_MASK) != 0) {
int ret = dhdpcie_set_master_and_d0_pwrstate(dhd->bus);
if (ret != BCME_OK) {
DHD_ERROR(("%s: Setting D0 failed, ABORT FIS collection\n", __FUNCTION__));
return ret;
}
cfg_status_cmd =
dhd_pcie_config_read(dhd->bus, PCIECFGREG_STATUS_CMD, sizeof(uint32));
cfg_pmcsr = dhd_pcie_config_read(dhd->bus, PCIE_CFG_PMCSR, sizeof(uint32));
DHD_ERROR(("after force-d0: Status Command(0x%x)=0x%x PCIE_CFG_PMCSR(0x%x)=0x%x\n",
PCIECFGREG_STATUS_CMD, cfg_status_cmd, PCIE_CFG_PMCSR, cfg_pmcsr));
}
/* Clear fis_triggered as REG OFF/ON recovered link */
dhd->fis_triggered = FALSE;
return BCME_OK;
}
int
dhd_bus_fis_trigger(dhd_pub_t *dhd)
{
return dhdpcie_fis_trigger(dhd);
}
static int
dhdpcie_reset_hwa(dhd_pub_t *dhd)
{
int ret;
sssr_reg_info_cmn_t *sssr_reg_info_cmn = dhd->sssr_reg_info;
sssr_reg_info_v3_t *sssr_reg_info = (sssr_reg_info_v3_t *)&sssr_reg_info_cmn->rev3;
/* HWA wrapper registers */
uint32 ioctrl, resetctrl;
/* HWA base registers */
uint32 clkenable, clkgatingenable, clkext, clkctlstatus;
uint32 hwa_resetseq_val[SSSR_HWA_RESET_SEQ_STEPS];
int i = 0;
if (sssr_reg_info->version < SSSR_REG_INFO_VER_3) {
DHD_ERROR(("%s: not supported for version:%d\n",
__FUNCTION__, sssr_reg_info->version));
return BCME_UNSUPPORTED;
}
if (sssr_reg_info->hwa_regs.base_regs.clkenable == 0) {
DHD_ERROR(("%s: hwa regs are not set\n", __FUNCTION__));
return BCME_UNSUPPORTED;
}
DHD_ERROR(("%s: version:%d\n", __FUNCTION__, sssr_reg_info->version));
ioctrl = sssr_reg_info->hwa_regs.wrapper_regs.ioctrl;
resetctrl = sssr_reg_info->hwa_regs.wrapper_regs.resetctrl;
clkenable = sssr_reg_info->hwa_regs.base_regs.clkenable;
clkgatingenable = sssr_reg_info->hwa_regs.base_regs.clkgatingenable;
clkext = sssr_reg_info->hwa_regs.base_regs.clkext;
clkctlstatus = sssr_reg_info->hwa_regs.base_regs.clkctlstatus;
ret = memcpy_s(hwa_resetseq_val, sizeof(hwa_resetseq_val),
sssr_reg_info->hwa_regs.hwa_resetseq_val,
sizeof(sssr_reg_info->hwa_regs.hwa_resetseq_val));
if (ret) {
DHD_ERROR(("%s: hwa_resetseq_val memcpy_s failed: %d\n",
__FUNCTION__, ret));
return ret;
}
dhd_sbreg_op(dhd, ioctrl, &hwa_resetseq_val[i++], FALSE);
dhd_sbreg_op(dhd, resetctrl, &hwa_resetseq_val[i++], FALSE);
dhd_sbreg_op(dhd, resetctrl, &hwa_resetseq_val[i++], FALSE);
dhd_sbreg_op(dhd, ioctrl, &hwa_resetseq_val[i++], FALSE);
dhd_sbreg_op(dhd, clkenable, &hwa_resetseq_val[i++], FALSE);
dhd_sbreg_op(dhd, clkgatingenable, &hwa_resetseq_val[i++], FALSE);
dhd_sbreg_op(dhd, clkext, &hwa_resetseq_val[i++], FALSE);
dhd_sbreg_op(dhd, clkctlstatus, &hwa_resetseq_val[i++], FALSE);
return BCME_OK;
}
static int
dhdpcie_fis_dump(dhd_pub_t *dhd)
{
int i;
uint8 num_d11cores;
DHD_ERROR(("%s\n", __FUNCTION__));
if (!dhd->sssr_inited) {
DHD_ERROR(("%s: SSSR not inited\n", __FUNCTION__));
return BCME_ERROR;
}
if (dhd->bus->is_linkdown) {
DHD_ERROR(("%s: PCIe link is down\n", __FUNCTION__));
return BCME_ERROR;
}
/* bring up all pmu resources */
PMU_REG(dhd->bus->sih, min_res_mask, ~0,
PMU_REG(dhd->bus->sih, max_res_mask, 0, 0));
OSL_DELAY(10 * 1000);
num_d11cores = dhd_d11_slices_num_get(dhd);
for (i = 0; i < num_d11cores; i++) {
dhd->sssr_d11_outofreset[i] = TRUE;
}
dhdpcie_bring_d11_outofreset(dhd);
OSL_DELAY(6000);
/* clear FIS Done */
PMU_REG(dhd->bus->sih, fis_ctrl_status, PMU_CLEAR_FIS_DONE_MASK, PMU_CLEAR_FIS_DONE_MASK);
if (dhdpcie_reset_hwa(dhd) != BCME_OK) {
DHD_ERROR(("%s: dhdpcie_reset_hwa failed\n", __FUNCTION__));
return BCME_ERROR;
}
dhdpcie_d11_check_outofreset(dhd);
DHD_ERROR(("%s: Collecting Dump after SR\n", __FUNCTION__));
if (dhdpcie_sssr_dump_get_after_sr(dhd) != BCME_OK) {
DHD_ERROR(("%s: dhdpcie_sssr_dump_get_after_sr failed\n", __FUNCTION__));
return BCME_ERROR;
}
dhd->sssr_dump_collected = TRUE;
dhd_write_sssr_dump(dhd, SSSR_DUMP_MODE_FIS);
return BCME_OK;
}
int
dhd_bus_fis_dump(dhd_pub_t *dhd)
{
return dhdpcie_fis_dump(dhd);
}
#endif /* DHD_SSSR_DUMP */
#ifdef DHD_SDTC_ETB_DUMP
int
dhd_bus_get_etb_info(dhd_pub_t *dhd, uint32 etbinfo_addr, etb_info_t *etb_info)
{
int ret = 0;
if ((ret = dhdpcie_bus_membytes(dhd->bus, FALSE, etbinfo_addr,
(unsigned char *)etb_info, sizeof(*etb_info)))) {
DHD_ERROR(("%s: Read Error membytes %d\n", __FUNCTION__, ret));
return BCME_ERROR;
}
return BCME_OK;
}
int
dhd_bus_get_sdtc_etb(dhd_pub_t *dhd, uint8 *sdtc_etb_mempool, uint addr, uint read_bytes)
{
int ret = 0;
if ((ret = dhdpcie_bus_membytes(dhd->bus, FALSE, addr,
(unsigned char *)sdtc_etb_mempool, read_bytes))) {
DHD_ERROR(("%s: Read Error membytes %d\n", __FUNCTION__, ret));
return BCME_ERROR;
}
return BCME_OK;
}
#endif /* DHD_SDTC_ETB_DUMP */
#ifdef BTLOG
void
BCMFASTPATH(dhd_bus_rx_bt_log)(struct dhd_bus *bus, void* pkt)
{
dhd_rx_bt_log(bus->dhd, pkt);
}
#endif /* BTLOG */
#ifdef DHD_WAKE_STATUS
wake_counts_t*
dhd_bus_get_wakecount(dhd_pub_t *dhd)
{
return &dhd->bus->wake_counts;
}
int
dhd_bus_get_bus_wake(dhd_pub_t *dhd)
{
return bcmpcie_set_get_wake(dhd->bus, 0);
}
#endif /* DHD_WAKE_STATUS */
/* Writes random number(s) to the TCM. FW upon initialization reads this register
* to fetch the random number, and uses it to randomize heap address space layout.
*/
static int
dhdpcie_wrt_rnd(struct dhd_bus *bus)
{
bcm_rand_metadata_t rnd_data;
uint8 rand_buf[BCM_ENTROPY_HOST_NBYTES];
uint32 count = BCM_ENTROPY_HOST_NBYTES;
int ret = 0;
uint32 addr = bus->dongle_ram_base + (bus->ramsize - BCM_NVRAM_OFFSET_TCM) -
((bus->nvram_csm & 0xffff)* BCM_NVRAM_IMG_COMPRS_FACTOR + sizeof(rnd_data));
memset(rand_buf, 0, BCM_ENTROPY_HOST_NBYTES);
rnd_data.signature = htol32(BCM_NVRAM_RNG_SIGNATURE);
rnd_data.count = htol32(count);
/* write the metadata about random number */
dhdpcie_bus_membytes(bus, TRUE, addr, (uint8 *)&rnd_data, sizeof(rnd_data));
/* scale back by number of random number counts */
addr -= count;
bus->ramtop_addr = addr;
#ifdef DHD_RND_DEBUG
bus->dhd->rnd_buf = NULL;
/* get random contents from file */
ret = dhd_get_rnd_info(bus->dhd);
if (bus->dhd->rnd_buf) {
/* write file contents to TCM */
DHD_ERROR(("%s: use stored .rnd.in content\n", __FUNCTION__));
dhdpcie_bus_membytes(bus, TRUE, addr, bus->dhd->rnd_buf, bus->dhd->rnd_len);
/* Dump random content to out file */
dhd_dump_rnd_info(bus->dhd, bus->dhd->rnd_buf, bus->dhd->rnd_len);
/* bus->dhd->rnd_buf is allocated in dhd_get_rnd_info, free here */
MFREE(bus->dhd->osh, bus->dhd->rnd_buf, bus->dhd->rnd_len);
bus->dhd->rnd_buf = NULL;
return BCME_OK;
}
#endif /* DHD_RND_DEBUG */
/* Now write the random number(s) */
ret = dhd_get_random_bytes(rand_buf, count);
if (ret != BCME_OK) {
return ret;
}
dhdpcie_bus_membytes(bus, TRUE, addr, rand_buf, count);
#ifdef DHD_RND_DEBUG
/* Dump random content to out file */
dhd_dump_rnd_info(bus->dhd, rand_buf, count);
#endif /* DHD_RND_DEBUG */
bus->next_tlv = addr;
return BCME_OK;
}
#ifdef D2H_MINIDUMP
bool
dhd_bus_is_minidump_enabled(dhd_pub_t *dhdp)
{
return dhdp->bus->d2h_minidump;
}
#endif /* D2H_MINIDUMP */
void
dhd_pcie_intr_count_dump(dhd_pub_t *dhd)
{
struct dhd_bus *bus = dhd->bus;
uint64 current_time;
DHD_ERROR(("\n ------- DUMPING INTR enable/disable counters ------- \r\n"));
DHD_ERROR(("resume_intr_enable_count=%lu dpc_intr_enable_count=%lu\n",
bus->resume_intr_enable_count, bus->dpc_intr_enable_count));
DHD_ERROR(("isr_intr_disable_count=%lu suspend_intr_disable_count=%lu\n",
bus->isr_intr_disable_count, bus->suspend_intr_disable_count));
#ifdef BCMPCIE_OOB_HOST_WAKE
DHD_ERROR(("oob_intr_count=%lu oob_intr_enable_count=%lu oob_intr_disable_count=%lu\n",
bus->oob_intr_count, bus->oob_intr_enable_count,
bus->oob_intr_disable_count));
DHD_ERROR(("oob_irq_num=%d last_oob_irq_times="SEC_USEC_FMT":"SEC_USEC_FMT"\n",
dhdpcie_get_oob_irq_num(bus),
GET_SEC_USEC(bus->last_oob_irq_isr_time),
GET_SEC_USEC(bus->last_oob_irq_thr_time)));
DHD_ERROR(("last_oob_irq_enable_time="SEC_USEC_FMT
" last_oob_irq_disable_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->last_oob_irq_enable_time),
GET_SEC_USEC(bus->last_oob_irq_disable_time)));
DHD_ERROR(("oob_irq_enabled=%d oob_gpio_level=%d\n",
dhdpcie_get_oob_irq_status(bus),
dhdpcie_get_oob_irq_level()));
#endif /* BCMPCIE_OOB_HOST_WAKE */
DHD_ERROR(("dpc_return_busdown_count=%lu non_ours_irq_count=%lu\n",
bus->dpc_return_busdown_count, bus->non_ours_irq_count));
current_time = OSL_LOCALTIME_NS();
DHD_ERROR(("\ncurrent_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(current_time)));
DHD_ERROR(("isr_entry_time="SEC_USEC_FMT
" isr_exit_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->isr_entry_time),
GET_SEC_USEC(bus->isr_exit_time)));
DHD_ERROR(("isr_sched_dpc_time="SEC_USEC_FMT
" rpm_sched_dpc_time="SEC_USEC_FMT
" last_non_ours_irq_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->isr_sched_dpc_time),
GET_SEC_USEC(bus->rpm_sched_dpc_time),
GET_SEC_USEC(bus->last_non_ours_irq_time)));
DHD_ERROR(("dpc_entry_time="SEC_USEC_FMT
" last_process_ctrlbuf_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->dpc_entry_time),
GET_SEC_USEC(bus->last_process_ctrlbuf_time)));
DHD_ERROR(("last_process_flowring_time="SEC_USEC_FMT
" last_process_txcpl_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->last_process_flowring_time),
GET_SEC_USEC(bus->last_process_txcpl_time)));
DHD_ERROR(("last_process_rxcpl_time="SEC_USEC_FMT
" last_process_infocpl_time="SEC_USEC_FMT
" last_process_edl_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->last_process_rxcpl_time),
GET_SEC_USEC(bus->last_process_infocpl_time),
GET_SEC_USEC(bus->last_process_edl_time)));
DHD_ERROR(("dpc_exit_time="SEC_USEC_FMT
" resched_dpc_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->dpc_exit_time),
GET_SEC_USEC(bus->resched_dpc_time)));
DHD_ERROR(("last_d3_inform_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->last_d3_inform_time)));
DHD_ERROR(("\nlast_suspend_start_time="SEC_USEC_FMT
" last_suspend_end_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->last_suspend_start_time),
GET_SEC_USEC(bus->last_suspend_end_time)));
DHD_ERROR(("last_resume_start_time="SEC_USEC_FMT
" last_resume_end_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(bus->last_resume_start_time),
GET_SEC_USEC(bus->last_resume_end_time)));
#if defined(SHOW_LOGTRACE) && defined(DHD_USE_KTHREAD_FOR_LOGTRACE)
DHD_ERROR(("logtrace_thread_entry_time="SEC_USEC_FMT
" logtrace_thread_sem_down_time="SEC_USEC_FMT
"\nlogtrace_thread_flush_time="SEC_USEC_FMT
" logtrace_thread_unexpected_break_time="SEC_USEC_FMT
"\nlogtrace_thread_complete_time="SEC_USEC_FMT"\n",
GET_SEC_USEC(dhd->logtrace_thr_ts.entry_time),
GET_SEC_USEC(dhd->logtrace_thr_ts.sem_down_time),
GET_SEC_USEC(dhd->logtrace_thr_ts.flush_time),
GET_SEC_USEC(dhd->logtrace_thr_ts.unexpected_break_time),
GET_SEC_USEC(dhd->logtrace_thr_ts.complete_time)));
#endif /* SHOW_LOGTRACE && DHD_USE_KTHREAD_FOR_LOGTRACE */
}
void
dhd_bus_intr_count_dump(dhd_pub_t *dhd)
{
dhd_pcie_intr_count_dump(dhd);
}
int
dhd_pcie_dump_wrapper_regs(dhd_pub_t *dhd)
{
uint32 save_idx, val;
si_t *sih = dhd->bus->sih;
uint32 oob_base, oob_base1;
uint32 wrapper_dump_list[] = {
AI_OOBSELOUTA30, AI_OOBSELOUTA74, AI_OOBSELOUTB30, AI_OOBSELOUTB74,
AI_OOBSELOUTC30, AI_OOBSELOUTC74, AI_OOBSELOUTD30, AI_OOBSELOUTD74,
AI_RESETSTATUS, AI_RESETCTRL,
AI_ITIPOOBA, AI_ITIPOOBB, AI_ITIPOOBC, AI_ITIPOOBD,
AI_ITIPOOBAOUT, AI_ITIPOOBBOUT, AI_ITIPOOBCOUT, AI_ITIPOOBDOUT
};
uint32 i;
hndoobr_reg_t *reg;
cr4regs_t *cr4regs;
ca7regs_t *ca7regs;
save_idx = si_coreidx(sih);
DHD_ERROR(("%s: Master wrapper Reg\n", __FUNCTION__));
if (si_setcore(sih, PCIE2_CORE_ID, 0) != NULL) {
for (i = 0; i < (uint32)sizeof(wrapper_dump_list) / 4; i++) {
val = si_wrapperreg(sih, wrapper_dump_list[i], 0, 0);
DHD_ERROR(("sbreg: addr:0x%x val:0x%x\n", wrapper_dump_list[i], val));
}
}
if ((cr4regs = si_setcore(sih, ARMCR4_CORE_ID, 0)) != NULL) {
DHD_ERROR(("%s: ARM CR4 wrapper Reg\n", __FUNCTION__));
for (i = 0; i < (uint32)sizeof(wrapper_dump_list) / 4; i++) {
val = si_wrapperreg(sih, wrapper_dump_list[i], 0, 0);
DHD_ERROR(("sbreg: addr:0x%x val:0x%x\n", wrapper_dump_list[i], val));
}
DHD_ERROR(("%s: ARM CR4 core Reg\n", __FUNCTION__));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, corecontrol));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, corecontrol), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, corecapabilities));
DHD_ERROR(("reg:0x%x val:0x%x\n",
(uint)OFFSETOF(cr4regs_t, corecapabilities), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, corestatus));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, corestatus), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, nmiisrst));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, nmiisrst), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, nmimask));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, nmimask), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, isrmask));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, isrmask), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, swintreg));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, swintreg), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, intstatus));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, intstatus), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, cyclecnt));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, cyclecnt), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, inttimer));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, inttimer), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, clk_ctl_st));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, clk_ctl_st), val));
val = R_REG(dhd->osh, ARM_CR4_REG(cr4regs, powerctl));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(cr4regs_t, powerctl), val));
}
/* XXX: Currently dumping CA7 registers causing CTO, temporarily disabling it */
BCM_REFERENCE(ca7regs);
#ifdef NOT_YET
if ((ca7regs = si_setcore(sih, ARMCA7_CORE_ID, 0)) != NULL) {
DHD_ERROR(("%s: ARM CA7 core Reg\n", __FUNCTION__));
val = R_REG(dhd->osh, ARM_CA7_REG(ca7regs, corecontrol));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(ca7regs_t, corecontrol), val));
val = R_REG(dhd->osh, ARM_CA7_REG(ca7regs, corecapabilities));
DHD_ERROR(("reg:0x%x val:0x%x\n",
(uint)OFFSETOF(ca7regs_t, corecapabilities), val));
val = R_REG(dhd->osh, ARM_CA7_REG(ca7regs, corestatus));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(ca7regs_t, corestatus), val));
val = R_REG(dhd->osh, ARM_CA7_REG(ca7regs, tracecontrol));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(ca7regs_t, tracecontrol), val));
val = R_REG(dhd->osh, ARM_CA7_REG(ca7regs, clk_ctl_st));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(ca7regs_t, clk_ctl_st), val));
val = R_REG(dhd->osh, ARM_CA7_REG(ca7regs, powerctl));
DHD_ERROR(("reg:0x%x val:0x%x\n", (uint)OFFSETOF(ca7regs_t, powerctl), val));
}
#endif /* NOT_YET */
DHD_ERROR(("%s: OOBR Reg\n", __FUNCTION__));
oob_base = si_oobr_baseaddr(sih, FALSE);
oob_base1 = si_oobr_baseaddr(sih, TRUE);
if (oob_base) {
dhd_sbreg_op(dhd, oob_base + OOB_STATUSA, &val, TRUE);
dhd_sbreg_op(dhd, oob_base + OOB_STATUSB, &val, TRUE);
dhd_sbreg_op(dhd, oob_base + OOB_STATUSC, &val, TRUE);
dhd_sbreg_op(dhd, oob_base + OOB_STATUSD, &val, TRUE);
} else if ((reg = si_setcore(sih, HND_OOBR_CORE_ID, 0)) != NULL) {
val = R_REG(dhd->osh, &reg->intstatus[0]);
DHD_ERROR(("reg: addr:%p val:0x%x\n", reg, val));
val = R_REG(dhd->osh, &reg->intstatus[1]);
DHD_ERROR(("reg: addr:%p val:0x%x\n", reg, val));
val = R_REG(dhd->osh, &reg->intstatus[2]);
DHD_ERROR(("reg: addr:%p val:0x%x\n", reg, val));
val = R_REG(dhd->osh, &reg->intstatus[3]);
DHD_ERROR(("reg: addr:%p val:0x%x\n", reg, val));
}
if (oob_base1) {
DHD_ERROR(("%s: Second OOBR Reg\n", __FUNCTION__));
dhd_sbreg_op(dhd, oob_base1 + OOB_STATUSA, &val, TRUE);
dhd_sbreg_op(dhd, oob_base1 + OOB_STATUSB, &val, TRUE);
dhd_sbreg_op(dhd, oob_base1 + OOB_STATUSC, &val, TRUE);
dhd_sbreg_op(dhd, oob_base1 + OOB_STATUSD, &val, TRUE);
}
si_setcoreidx(dhd->bus->sih, save_idx);
return 0;
}
static void
dhdpcie_hw_war_regdump(dhd_bus_t *bus)
{
uint32 save_idx, val;
volatile uint32 *reg;
save_idx = si_coreidx(bus->sih);
if ((reg = si_setcore(bus->sih, CC_CORE_ID, 0)) != NULL) {
val = R_REG(bus->osh, reg + REG_WORK_AROUND);
DHD_ERROR(("CC HW_WAR :0x%x\n", val));
}
if ((reg = si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) != NULL) {
val = R_REG(bus->osh, reg + REG_WORK_AROUND);
DHD_ERROR(("ARM HW_WAR:0x%x\n", val));
}
if ((reg = si_setcore(bus->sih, PCIE2_CORE_ID, 0)) != NULL) {
val = R_REG(bus->osh, reg + REG_WORK_AROUND);
DHD_ERROR(("PCIE HW_WAR :0x%x\n", val));
}
si_setcoreidx(bus->sih, save_idx);
val = PMU_REG_NEW(bus->sih, min_res_mask, 0, 0);
DHD_ERROR(("MINRESMASK :0x%x\n", val));
}
int
dhd_pcie_dma_info_dump(dhd_pub_t *dhd)
{
if (dhd->bus->is_linkdown) {
DHD_ERROR(("\n ------- SKIP DUMPING DMA Registers "
"due to PCIe link down ------- \r\n"));
return 0;
}
DHD_ERROR(("\n ------- DUMPING DMA Registers ------- \r\n"));
//HostToDev
DHD_ERROR(("HostToDev TX: XmtCtrl=0x%08x XmtPtr=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x200, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x204, 0, 0)));
DHD_ERROR((" : XmtAddrLow=0x%08x XmtAddrHigh=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x208, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x20C, 0, 0)));
DHD_ERROR((" : XmtStatus0=0x%08x XmtStatus1=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x210, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x214, 0, 0)));
DHD_ERROR(("HostToDev RX: RcvCtrl=0x%08x RcvPtr=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x220, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x224, 0, 0)));
DHD_ERROR((" : RcvAddrLow=0x%08x RcvAddrHigh=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x228, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x22C, 0, 0)));
DHD_ERROR((" : RcvStatus0=0x%08x RcvStatus1=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x230, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x234, 0, 0)));
//DevToHost
DHD_ERROR(("DevToHost TX: XmtCtrl=0x%08x XmtPtr=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x240, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x244, 0, 0)));
DHD_ERROR((" : XmtAddrLow=0x%08x XmtAddrHigh=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x248, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x24C, 0, 0)));
DHD_ERROR((" : XmtStatus0=0x%08x XmtStatus1=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x250, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x254, 0, 0)));
DHD_ERROR(("DevToHost RX: RcvCtrl=0x%08x RcvPtr=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x260, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x264, 0, 0)));
DHD_ERROR((" : RcvAddrLow=0x%08x RcvAddrHigh=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x268, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x26C, 0, 0)));
DHD_ERROR((" : RcvStatus0=0x%08x RcvStatus1=0x%08x\n",
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x270, 0, 0),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx, 0x274, 0, 0)));
return 0;
}
bool
dhd_pcie_dump_int_regs(dhd_pub_t *dhd)
{
uint32 intstatus = 0;
uint32 intmask = 0;
uint32 d2h_db0 = 0;
uint32 d2h_mb_data = 0;
DHD_ERROR(("\n ------- DUMPING INTR Status and Masks ------- \r\n"));
intstatus = si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
dhd->bus->pcie_mailbox_int, 0, 0);
if (intstatus == (uint32)-1) {
DHD_ERROR(("intstatus=0x%x \n", intstatus));
return FALSE;
}
intmask = si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
dhd->bus->pcie_mailbox_mask, 0, 0);
if (intmask == (uint32) -1) {
DHD_ERROR(("intstatus=0x%x intmask=0x%x \n", intstatus, intmask));
return FALSE;
}
d2h_db0 = si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
PCID2H_MailBox, 0, 0);
if (d2h_db0 == (uint32)-1) {
DHD_ERROR(("intstatus=0x%x intmask=0x%x d2h_db0=0x%x\n",
intstatus, intmask, d2h_db0));
return FALSE;
}
DHD_ERROR(("intstatus=0x%x intmask=0x%x d2h_db0=0x%x\n",
intstatus, intmask, d2h_db0));
dhd_bus_cmn_readshared(dhd->bus, &d2h_mb_data, D2H_MB_DATA, 0);
DHD_ERROR(("d2h_mb_data=0x%x def_intmask=0x%x \r\n", d2h_mb_data,
dhd->bus->def_intmask));
return TRUE;
}
void
dhd_pcie_dump_rc_conf_space_cap(dhd_pub_t *dhd)
{
DHD_ERROR(("\n ------- DUMPING PCIE RC config space Registers ------- \r\n"));
DHD_ERROR(("Pcie RC Uncorrectable Error Status Val=0x%x\n",
dhdpcie_rc_access_cap(dhd->bus, PCIE_EXTCAP_ID_ERR,
PCIE_EXTCAP_AER_UCERR_OFFSET, TRUE, FALSE, 0)));
#ifdef EXTENDED_PCIE_DEBUG_DUMP
DHD_ERROR(("hdrlog0 =0x%08x hdrlog1 =0x%08x hdrlog2 =0x%08x hdrlog3 =0x%08x\n",
dhdpcie_rc_access_cap(dhd->bus, PCIE_EXTCAP_ID_ERR,
PCIE_EXTCAP_ERR_HEADER_LOG_0, TRUE, FALSE, 0),
dhdpcie_rc_access_cap(dhd->bus, PCIE_EXTCAP_ID_ERR,
PCIE_EXTCAP_ERR_HEADER_LOG_1, TRUE, FALSE, 0),
dhdpcie_rc_access_cap(dhd->bus, PCIE_EXTCAP_ID_ERR,
PCIE_EXTCAP_ERR_HEADER_LOG_2, TRUE, FALSE, 0),
dhdpcie_rc_access_cap(dhd->bus, PCIE_EXTCAP_ID_ERR,
PCIE_EXTCAP_ERR_HEADER_LOG_3, TRUE, FALSE, 0)));
#endif /* EXTENDED_PCIE_DEBUG_DUMP */
}
#ifdef WL_CFGVENDOR_SEND_HANG_EVENT
#define MAX_RC_REG_INFO_VAL 8
#define PCIE_EXTCAP_ERR_HD_SZ 4
void
dhd_dump_pcie_rc_regs_for_linkdown(dhd_pub_t *dhd, int *bytes_written)
{
int i;
int remain_len;
/* dump link control & status */
if (dhd->hang_info_cnt < HANG_FIELD_CNT_MAX) {
remain_len = VENDOR_SEND_HANG_EXT_INFO_LEN - *bytes_written;
*bytes_written += scnprintf(&dhd->hang_info[*bytes_written], remain_len, "%08x%c",
dhdpcie_rc_access_cap(dhd->bus, PCIE_CAP_ID_EXP,
PCIE_CAP_LINKCTRL_OFFSET, FALSE, FALSE, 0), HANG_KEY_DEL);
dhd->hang_info_cnt++;
}
/* dump device control & status */
if (dhd->hang_info_cnt < HANG_FIELD_CNT_MAX) {
remain_len = VENDOR_SEND_HANG_EXT_INFO_LEN - *bytes_written;
*bytes_written += scnprintf(&dhd->hang_info[*bytes_written], remain_len, "%08x%c",
dhdpcie_rc_access_cap(dhd->bus, PCIE_CAP_ID_EXP,
PCIE_CAP_DEVCTRL_OFFSET, FALSE, FALSE, 0), HANG_KEY_DEL);
dhd->hang_info_cnt++;
}
/* dump uncorrectable error */
if (dhd->hang_info_cnt < HANG_FIELD_CNT_MAX) {
remain_len = VENDOR_SEND_HANG_EXT_INFO_LEN - *bytes_written;
*bytes_written += scnprintf(&dhd->hang_info[*bytes_written], remain_len, "%08x%c",
dhdpcie_rc_access_cap(dhd->bus, PCIE_EXTCAP_ID_ERR,
PCIE_EXTCAP_AER_UCERR_OFFSET, TRUE, FALSE, 0), HANG_KEY_DEL);
dhd->hang_info_cnt++;
}
/* dump correctable error */
if (dhd->hang_info_cnt < HANG_FIELD_CNT_MAX) {
remain_len = VENDOR_SEND_HANG_EXT_INFO_LEN - *bytes_written;
*bytes_written += scnprintf(&dhd->hang_info[*bytes_written], remain_len, "%08x%c",
dhdpcie_rc_access_cap(dhd->bus, PCIE_EXTCAP_ID_ERR,
/* XXX: use definition in linux/pcie_regs.h */
PCI_ERR_COR_STATUS, TRUE, FALSE, 0), HANG_KEY_DEL);
dhd->hang_info_cnt++;
}
/* HG05/06 reserved */
if (dhd->hang_info_cnt < HANG_FIELD_CNT_MAX) {
remain_len = VENDOR_SEND_HANG_EXT_INFO_LEN - *bytes_written;
*bytes_written += scnprintf(&dhd->hang_info[*bytes_written], remain_len, "%08x%c",
0, HANG_KEY_DEL);
dhd->hang_info_cnt++;
}
if (dhd->hang_info_cnt < HANG_FIELD_CNT_MAX) {
remain_len = VENDOR_SEND_HANG_EXT_INFO_LEN - *bytes_written;
*bytes_written += scnprintf(&dhd->hang_info[*bytes_written], remain_len, "%08x%c",
0, HANG_KEY_DEL);
dhd->hang_info_cnt++;
}
/* dump error header log in RAW */
for (i = 0; i < PCIE_EXTCAP_ERR_HD_SZ; i++) {
remain_len = VENDOR_SEND_HANG_EXT_INFO_LEN - *bytes_written;
*bytes_written += scnprintf(&dhd->hang_info[*bytes_written], remain_len,
"%c%08x", HANG_RAW_DEL, dhdpcie_rc_access_cap(dhd->bus, PCIE_EXTCAP_ID_ERR,
PCIE_EXTCAP_ERR_HEADER_LOG_0 + i * PCIE_EXTCAP_ERR_HD_SZ,
TRUE, FALSE, 0));
}
dhd->hang_info_cnt++;
}
#endif /* WL_CFGVENDOR_SEND_HANG_EVENT */
int
dhd_pcie_debug_info_dump(dhd_pub_t *dhd)
{
int host_irq_disabled;
DHD_ERROR(("bus->bus_low_power_state = %d\n", dhd->bus->bus_low_power_state));
host_irq_disabled = dhdpcie_irq_disabled(dhd->bus);
DHD_ERROR(("host pcie_irq disabled = %d\n", host_irq_disabled));
dhd_print_tasklet_status(dhd);
dhd_pcie_intr_count_dump(dhd);
#if defined(LINUX) || defined(linux)
DHD_ERROR(("\n ------- DUMPING PCIE EP Resouce Info ------- \r\n"));
dhdpcie_dump_resource(dhd->bus);
#endif /* LINUX || linux */
dhd_pcie_dump_rc_conf_space_cap(dhd);
DHD_ERROR(("RootPort PCIe linkcap=0x%08x\n",
dhd_debug_get_rc_linkcap(dhd->bus)));
#ifdef CUSTOMER_HW4_DEBUG
if (dhd->bus->is_linkdown) {
DHD_ERROR(("Skip dumping the PCIe Config and Core registers. "
"link may be DOWN\n"));
return 0;
}
#endif /* CUSTOMER_HW4_DEBUG */
DHD_ERROR(("\n ------- DUMPING PCIE EP config space Registers ------- \r\n"));
/* XXX: hwnbu-twiki.sj.broadcom.com/bin/view/Mwgroup/CurrentPcieGen2ProgramGuide */
dhd_bus_dump_imp_cfg_registers(dhd->bus);
#ifdef EXTENDED_PCIE_DEBUG_DUMP
DHD_ERROR(("Pcie EP Uncorrectable Error Status Val=0x%x\n",
dhdpcie_ep_access_cap(dhd->bus, PCIE_EXTCAP_ID_ERR,
PCIE_EXTCAP_AER_UCERR_OFFSET, TRUE, FALSE, 0)));
DHD_ERROR(("hdrlog0(0x%x)=0x%08x hdrlog1(0x%x)=0x%08x hdrlog2(0x%x)=0x%08x "
"hdrlog3(0x%x)=0x%08x\n", PCI_TLP_HDR_LOG1,
dhd_pcie_config_read(dhd->bus, PCI_TLP_HDR_LOG1, sizeof(uint32)),
PCI_TLP_HDR_LOG2,
dhd_pcie_config_read(dhd->bus, PCI_TLP_HDR_LOG2, sizeof(uint32)),
PCI_TLP_HDR_LOG3,
dhd_pcie_config_read(dhd->bus, PCI_TLP_HDR_LOG3, sizeof(uint32)),
PCI_TLP_HDR_LOG4,
dhd_pcie_config_read(dhd->bus, PCI_TLP_HDR_LOG4, sizeof(uint32))));
if (dhd->bus->sih->buscorerev >= 24) {
DHD_ERROR(("DeviceStatusControl(0x%x)=0x%x SubsystemControl(0x%x)=0x%x "
"L1SSControl2(0x%x)=0x%x\n", PCIECFGREG_DEV_STATUS_CTRL,
dhd_pcie_config_read(dhd->bus, PCIECFGREG_DEV_STATUS_CTRL,
sizeof(uint32)), PCIE_CFG_SUBSYSTEM_CONTROL,
dhd_pcie_config_read(dhd->bus, PCIE_CFG_SUBSYSTEM_CONTROL,
sizeof(uint32)), PCIECFGREG_PML1_SUB_CTRL2,
dhd_pcie_config_read(dhd->bus, PCIECFGREG_PML1_SUB_CTRL2,
sizeof(uint32))));
dhd_bus_dump_dar_registers(dhd->bus);
}
#endif /* EXTENDED_PCIE_DEBUG_DUMP */
if (dhd->bus->is_linkdown) {
DHD_ERROR(("Skip dumping the PCIe Core registers. link may be DOWN\n"));
return 0;
}
if (MULTIBP_ENAB(dhd->bus->sih)) {
dhd_bus_pcie_pwr_req(dhd->bus);
}
DHD_ERROR(("\n ------- DUMPING PCIE core Registers ------- \r\n"));
/* XXX: hwnbu-twiki.sj.broadcom.com/twiki/pub/Mwgroup/
* CurrentPcieGen2ProgramGuide/pcie_ep.htm
*/
DHD_ERROR(("ClkReq0(0x%x)=0x%x ClkReq1(0x%x)=0x%x ClkReq2(0x%x)=0x%x "
"ClkReq3(0x%x)=0x%x\n", PCIECFGREG_PHY_DBG_CLKREQ0,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_PHY_DBG_CLKREQ0),
PCIECFGREG_PHY_DBG_CLKREQ1,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_PHY_DBG_CLKREQ1),
PCIECFGREG_PHY_DBG_CLKREQ2,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_PHY_DBG_CLKREQ2),
PCIECFGREG_PHY_DBG_CLKREQ3,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_PHY_DBG_CLKREQ3)));
#ifdef EXTENDED_PCIE_DEBUG_DUMP
if (dhd->bus->sih->buscorerev >= 24) {
DHD_ERROR(("ltssm_hist_0(0x%x)=0x%x ltssm_hist_1(0x%x)=0x%x "
"ltssm_hist_2(0x%x)=0x%x "
"ltssm_hist_3(0x%x)=0x%x\n", PCIECFGREG_PHY_LTSSM_HIST_0,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_PHY_LTSSM_HIST_0),
PCIECFGREG_PHY_LTSSM_HIST_1,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_PHY_LTSSM_HIST_1),
PCIECFGREG_PHY_LTSSM_HIST_2,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_PHY_LTSSM_HIST_2),
PCIECFGREG_PHY_LTSSM_HIST_3,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_PHY_LTSSM_HIST_3)));
DHD_ERROR(("trefup(0x%x)=0x%x trefup_ext(0x%x)=0x%x\n",
PCIECFGREG_TREFUP,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_TREFUP),
PCIECFGREG_TREFUP_EXT,
dhd_pcie_corereg_read(dhd->bus->sih, PCIECFGREG_TREFUP_EXT)));
DHD_ERROR(("errlog(0x%x)=0x%x errlog_addr(0x%x)=0x%x "
"Function_Intstatus(0x%x)=0x%x "
"Function_Intmask(0x%x)=0x%x Power_Intstatus(0x%x)=0x%x "
"Power_Intmask(0x%x)=0x%x\n",
PCIE_CORE_REG_ERRLOG,
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
PCIE_CORE_REG_ERRLOG, 0, 0),
PCIE_CORE_REG_ERR_ADDR,
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
PCIE_CORE_REG_ERR_ADDR, 0, 0),
PCIFunctionIntstatus(dhd->bus->sih->buscorerev),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
PCIFunctionIntstatus(dhd->bus->sih->buscorerev), 0, 0),
PCIFunctionIntmask(dhd->bus->sih->buscorerev),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
PCIFunctionIntmask(dhd->bus->sih->buscorerev), 0, 0),
PCIPowerIntstatus(dhd->bus->sih->buscorerev),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
PCIPowerIntstatus(dhd->bus->sih->buscorerev), 0, 0),
PCIPowerIntmask(dhd->bus->sih->buscorerev),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
PCIPowerIntmask(dhd->bus->sih->buscorerev), 0, 0)));
DHD_ERROR(("err_hdrlog1(0x%x)=0x%x err_hdrlog2(0x%x)=0x%x "
"err_hdrlog3(0x%x)=0x%x err_hdrlog4(0x%x)=0x%x\n",
(uint)OFFSETOF(sbpcieregs_t, u.pcie2.err_hdr_logreg1),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, u.pcie2.err_hdr_logreg1), 0, 0),
(uint)OFFSETOF(sbpcieregs_t, u.pcie2.err_hdr_logreg2),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, u.pcie2.err_hdr_logreg2), 0, 0),
(uint)OFFSETOF(sbpcieregs_t, u.pcie2.err_hdr_logreg3),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, u.pcie2.err_hdr_logreg3), 0, 0),
(uint)OFFSETOF(sbpcieregs_t, u.pcie2.err_hdr_logreg4),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, u.pcie2.err_hdr_logreg4), 0, 0)));
DHD_ERROR(("err_code(0x%x)=0x%x\n",
(uint)OFFSETOF(sbpcieregs_t, u.pcie2.err_code_logreg),
si_corereg(dhd->bus->sih, dhd->bus->sih->buscoreidx,
OFFSETOF(sbpcieregs_t, u.pcie2.err_code_logreg), 0, 0)));
dhd_pcie_dump_wrapper_regs(dhd);
dhdpcie_hw_war_regdump(dhd->bus);
}
#endif /* EXTENDED_PCIE_DEBUG_DUMP */
dhd_pcie_dma_info_dump(dhd);
if (MULTIBP_ENAB(dhd->bus->sih)) {
dhd_bus_pcie_pwr_req_clear(dhd->bus);
}
return 0;
}
bool
dhd_bus_force_bt_quiesce_enabled(struct dhd_bus *bus)
{
return bus->force_bt_quiesce;
}
#ifdef BCMINTERNAL
#ifdef DHD_FWTRACE
uint32 dhd_bus_get_bp_base(dhd_pub_t *dhdp)
{
return (dhdp->bus->bp_base);
}
#endif /* DHD_FWTRACE */
#endif /* BCMINTERNAL */
#ifdef DHD_HP2P
uint16
dhd_bus_get_hp2p_ring_max_size(struct dhd_bus *bus, bool tx)
{
if (tx)
return bus->hp2p_txcpl_max_items;
else
return bus->hp2p_rxcpl_max_items;
}
static uint16
dhd_bus_set_hp2p_ring_max_size(struct dhd_bus *bus, bool tx, uint16 val)
{
if (tx)
bus->hp2p_txcpl_max_items = val;
else
bus->hp2p_rxcpl_max_items = val;
return val;
}
#endif /* DHD_HP2P */
uint8
dhd_d11_slices_num_get(dhd_pub_t *dhdp)
{
return si_scan_core_present(dhdp->bus->sih) ?
MAX_NUM_D11_CORES_WITH_SCAN : MAX_NUM_D11CORES;
}
#if defined(linux) || defined(LINUX)
static bool
dhd_bus_tcm_test(struct dhd_bus *bus)
{
int ret = 0;
int size; /* Full mem size */
int start; /* Start address */
int read_size = 0; /* Read size of each iteration */
int num = 0;
uint8 *read_buf, *write_buf;
uint8 init_val[NUM_PATTERNS] = {
0xFFu, /* 11111111 */
0x00u, /* 00000000 */
#if !defined(DHD_FW_MEM_CORRUPTION)
0x77u, /* 01110111 */
0x22u, /* 00100010 */
0x27u, /* 00100111 */
0x72u, /* 01110010 */
#endif /* !DHD_FW_MEM_CORRUPTION */
};
if (!bus) {
DHD_ERROR(("%s: bus is NULL !\n", __FUNCTION__));
return FALSE;
}
read_buf = MALLOCZ(bus->dhd->osh, MEMBLOCK);
if (!read_buf) {
DHD_ERROR(("%s: MALLOC of read_buf failed\n", __FUNCTION__));
return FALSE;
}
write_buf = MALLOCZ(bus->dhd->osh, MEMBLOCK);
if (!write_buf) {
MFREE(bus->dhd->osh, read_buf, MEMBLOCK);
DHD_ERROR(("%s: MALLOC of write_buf failed\n", __FUNCTION__));
return FALSE;
}
DHD_ERROR(("%s: start %x, size: %x\n", __FUNCTION__, bus->dongle_ram_base, bus->ramsize));
DHD_ERROR(("%s: memblock size %d, #pattern %d\n", __FUNCTION__, MEMBLOCK, NUM_PATTERNS));
while (num < NUM_PATTERNS) {
start = bus->dongle_ram_base;
/* Get full mem size */
size = bus->ramsize;
memset(write_buf, init_val[num], MEMBLOCK);
while (size > 0) {
read_size = MIN(MEMBLOCK, size);
memset(read_buf, 0, read_size);
/* Write */
if ((ret = dhdpcie_bus_membytes(bus, TRUE, start, write_buf, read_size))) {
DHD_ERROR(("%s: Write Error membytes %d\n", __FUNCTION__, ret));
MFREE(bus->dhd->osh, read_buf, MEMBLOCK);
MFREE(bus->dhd->osh, write_buf, MEMBLOCK);
return FALSE;
}
/* Read */
if ((ret = dhdpcie_bus_membytes(bus, FALSE, start, read_buf, read_size))) {
DHD_ERROR(("%s: Read Error membytes %d\n", __FUNCTION__, ret));
MFREE(bus->dhd->osh, read_buf, MEMBLOCK);
MFREE(bus->dhd->osh, write_buf, MEMBLOCK);
return FALSE;
}
/* Compare */
if (memcmp(read_buf, write_buf, read_size)) {
DHD_ERROR(("%s: Mismatch at %x, iter : %d\n",
__FUNCTION__, start, num));
prhex("Readbuf", read_buf, read_size);
prhex("Writebuf", write_buf, read_size);
MFREE(bus->dhd->osh, read_buf, MEMBLOCK);
MFREE(bus->dhd->osh, write_buf, MEMBLOCK);
return FALSE;
}
/* Decrement size and increment start address */
size -= read_size;
start += read_size;
}
num++;
}
MFREE(bus->dhd->osh, read_buf, MEMBLOCK);
MFREE(bus->dhd->osh, write_buf, MEMBLOCK);
DHD_ERROR(("%s: Success iter : %d\n", __FUNCTION__, num));
return TRUE;
}
#endif /* LINUX || linux */
#define PCI_CFG_LINK_SPEED_SHIFT 16
int
dhd_get_pcie_linkspeed(dhd_pub_t *dhd)
{
uint32 pcie_lnkst;
uint32 pcie_lnkspeed;
pcie_lnkst = OSL_PCI_READ_CONFIG(dhd->osh, PCIECFGREG_LINK_STATUS_CTRL,
sizeof(pcie_lnkst));
pcie_lnkspeed = (pcie_lnkst >> PCI_CFG_LINK_SPEED_SHIFT) & PCI_LINK_SPEED_MASK;
DHD_INFO(("%s: Link speed: %d\n", __FUNCTION__, pcie_lnkspeed));
return pcie_lnkspeed;
}
int
dhd_bus_checkdied(struct dhd_bus *bus, char *data, uint size)
{
return dhdpcie_checkdied(bus, data, size);
}
/* Common backplane can be hung by butting APB2 bridge in reset */
void
dhdpcie_induce_cbp_hang(dhd_pub_t *dhd)
{
uint32 addr, val;
uint32 apb2_wrapper_reg = 0x18106000;
uint32 apb2_reset_ctrl_offset = 0x800;
addr = apb2_wrapper_reg + apb2_reset_ctrl_offset;
val = 1;
dhd_sbreg_op(dhd, addr, &val, FALSE);
}