| /* |
| * This file is part of wl1271 |
| * |
| * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. |
| * Copyright (C) 2008-2009 Nokia Corporation |
| * |
| * Contact: Luciano Coelho <luciano.coelho@nokia.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| * 02110-1301 USA |
| * |
| */ |
| |
| #ifndef __WL1271_H__ |
| #define __WL1271_H__ |
| |
| #include <linux/mutex.h> |
| #include <linux/completion.h> |
| #include <linux/spinlock.h> |
| #include <linux/list.h> |
| #include <linux/bitops.h> |
| #include <net/mac80211.h> |
| |
| #include "wl1271_conf.h" |
| #include "wl1271_ini.h" |
| |
| #define DRIVER_NAME "wl1271" |
| #define DRIVER_PREFIX DRIVER_NAME ": " |
| |
| enum { |
| DEBUG_NONE = 0, |
| DEBUG_IRQ = BIT(0), |
| DEBUG_SPI = BIT(1), |
| DEBUG_BOOT = BIT(2), |
| DEBUG_MAILBOX = BIT(3), |
| DEBUG_TESTMODE = BIT(4), |
| DEBUG_EVENT = BIT(5), |
| DEBUG_TX = BIT(6), |
| DEBUG_RX = BIT(7), |
| DEBUG_SCAN = BIT(8), |
| DEBUG_CRYPT = BIT(9), |
| DEBUG_PSM = BIT(10), |
| DEBUG_MAC80211 = BIT(11), |
| DEBUG_CMD = BIT(12), |
| DEBUG_ACX = BIT(13), |
| DEBUG_SDIO = BIT(14), |
| DEBUG_FILTERS = BIT(15), |
| DEBUG_ADHOC = BIT(16), |
| DEBUG_ALL = ~0, |
| }; |
| |
| #define DEBUG_LEVEL (DEBUG_NONE) |
| |
| #define DEBUG_DUMP_LIMIT 1024 |
| |
| #define wl1271_error(fmt, arg...) \ |
| printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg) |
| |
| #define wl1271_warning(fmt, arg...) \ |
| printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg) |
| |
| #define wl1271_notice(fmt, arg...) \ |
| printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg) |
| |
| #define wl1271_info(fmt, arg...) \ |
| printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg) |
| |
| #define wl1271_debug(level, fmt, arg...) \ |
| do { \ |
| if (level & DEBUG_LEVEL) \ |
| printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \ |
| } while (0) |
| |
| #define wl1271_dump(level, prefix, buf, len) \ |
| do { \ |
| if (level & DEBUG_LEVEL) \ |
| print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ |
| DUMP_PREFIX_OFFSET, 16, 1, \ |
| buf, \ |
| min_t(size_t, len, DEBUG_DUMP_LIMIT), \ |
| 0); \ |
| } while (0) |
| |
| #define wl1271_dump_ascii(level, prefix, buf, len) \ |
| do { \ |
| if (level & DEBUG_LEVEL) \ |
| print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ |
| DUMP_PREFIX_OFFSET, 16, 1, \ |
| buf, \ |
| min_t(size_t, len, DEBUG_DUMP_LIMIT), \ |
| true); \ |
| } while (0) |
| |
| #define WL1271_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN | \ |
| CFG_BSSID_FILTER_EN | \ |
| CFG_MC_FILTER_EN) |
| |
| #define WL1271_DEFAULT_RX_FILTER (CFG_RX_RCTS_ACK | CFG_RX_PRSP_EN | \ |
| CFG_RX_MGMT_EN | CFG_RX_DATA_EN | \ |
| CFG_RX_CTL_EN | CFG_RX_BCN_EN | \ |
| CFG_RX_AUTH_EN | CFG_RX_ASSOC_EN) |
| |
| #define WL1271_FW_NAME "wl1271-fw.bin" |
| #define WL1271_NVS_NAME "wl1271-nvs.bin" |
| |
| #define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff)) |
| #define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff)) |
| |
| #define WL1271_CIPHER_SUITE_GEM 0x00147201 |
| |
| #define WL1271_BUSY_WORD_CNT 1 |
| #define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32)) |
| |
| #define WL1271_ELP_HW_STATE_ASLEEP 0 |
| #define WL1271_ELP_HW_STATE_IRQ 1 |
| |
| #define WL1271_DEFAULT_BEACON_INT 100 |
| #define WL1271_DEFAULT_DTIM_PERIOD 1 |
| |
| #define ACX_TX_DESCRIPTORS 32 |
| |
| #define WL1271_AGGR_BUFFER_SIZE (4 * PAGE_SIZE) |
| |
| enum wl1271_state { |
| WL1271_STATE_OFF, |
| WL1271_STATE_ON, |
| WL1271_STATE_PLT, |
| }; |
| |
| enum wl1271_partition_type { |
| PART_DOWN, |
| PART_WORK, |
| PART_DRPW, |
| |
| PART_TABLE_LEN |
| }; |
| |
| struct wl1271_partition { |
| u32 size; |
| u32 start; |
| }; |
| |
| struct wl1271_partition_set { |
| struct wl1271_partition mem; |
| struct wl1271_partition reg; |
| struct wl1271_partition mem2; |
| struct wl1271_partition mem3; |
| }; |
| |
| struct wl1271; |
| |
| /* FIXME: I'm not sure about this structure name */ |
| struct wl1271_chip { |
| u32 id; |
| char fw_ver[21]; |
| }; |
| |
| struct wl1271_stats { |
| struct acx_statistics *fw_stats; |
| unsigned long fw_stats_update; |
| |
| unsigned int retry_count; |
| unsigned int excessive_retries; |
| }; |
| |
| struct wl1271_debugfs { |
| struct dentry *rootdir; |
| struct dentry *fw_statistics; |
| |
| struct dentry *tx_internal_desc_overflow; |
| |
| struct dentry *rx_out_of_mem; |
| struct dentry *rx_hdr_overflow; |
| struct dentry *rx_hw_stuck; |
| struct dentry *rx_dropped; |
| struct dentry *rx_fcs_err; |
| struct dentry *rx_xfr_hint_trig; |
| struct dentry *rx_path_reset; |
| struct dentry *rx_reset_counter; |
| |
| struct dentry *dma_rx_requested; |
| struct dentry *dma_rx_errors; |
| struct dentry *dma_tx_requested; |
| struct dentry *dma_tx_errors; |
| |
| struct dentry *isr_cmd_cmplt; |
| struct dentry *isr_fiqs; |
| struct dentry *isr_rx_headers; |
| struct dentry *isr_rx_mem_overflow; |
| struct dentry *isr_rx_rdys; |
| struct dentry *isr_irqs; |
| struct dentry *isr_tx_procs; |
| struct dentry *isr_decrypt_done; |
| struct dentry *isr_dma0_done; |
| struct dentry *isr_dma1_done; |
| struct dentry *isr_tx_exch_complete; |
| struct dentry *isr_commands; |
| struct dentry *isr_rx_procs; |
| struct dentry *isr_hw_pm_mode_changes; |
| struct dentry *isr_host_acknowledges; |
| struct dentry *isr_pci_pm; |
| struct dentry *isr_wakeups; |
| struct dentry *isr_low_rssi; |
| |
| struct dentry *wep_addr_key_count; |
| struct dentry *wep_default_key_count; |
| /* skipping wep.reserved */ |
| struct dentry *wep_key_not_found; |
| struct dentry *wep_decrypt_fail; |
| struct dentry *wep_packets; |
| struct dentry *wep_interrupt; |
| |
| struct dentry *pwr_ps_enter; |
| struct dentry *pwr_elp_enter; |
| struct dentry *pwr_missing_bcns; |
| struct dentry *pwr_wake_on_host; |
| struct dentry *pwr_wake_on_timer_exp; |
| struct dentry *pwr_tx_with_ps; |
| struct dentry *pwr_tx_without_ps; |
| struct dentry *pwr_rcvd_beacons; |
| struct dentry *pwr_power_save_off; |
| struct dentry *pwr_enable_ps; |
| struct dentry *pwr_disable_ps; |
| struct dentry *pwr_fix_tsf_ps; |
| /* skipping cont_miss_bcns_spread for now */ |
| struct dentry *pwr_rcvd_awake_beacons; |
| |
| struct dentry *mic_rx_pkts; |
| struct dentry *mic_calc_failure; |
| |
| struct dentry *aes_encrypt_fail; |
| struct dentry *aes_decrypt_fail; |
| struct dentry *aes_encrypt_packets; |
| struct dentry *aes_decrypt_packets; |
| struct dentry *aes_encrypt_interrupt; |
| struct dentry *aes_decrypt_interrupt; |
| |
| struct dentry *event_heart_beat; |
| struct dentry *event_calibration; |
| struct dentry *event_rx_mismatch; |
| struct dentry *event_rx_mem_empty; |
| struct dentry *event_rx_pool; |
| struct dentry *event_oom_late; |
| struct dentry *event_phy_transmit_error; |
| struct dentry *event_tx_stuck; |
| |
| struct dentry *ps_pspoll_timeouts; |
| struct dentry *ps_upsd_timeouts; |
| struct dentry *ps_upsd_max_sptime; |
| struct dentry *ps_upsd_max_apturn; |
| struct dentry *ps_pspoll_max_apturn; |
| struct dentry *ps_pspoll_utilization; |
| struct dentry *ps_upsd_utilization; |
| |
| struct dentry *rxpipe_rx_prep_beacon_drop; |
| struct dentry *rxpipe_descr_host_int_trig_rx_data; |
| struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data; |
| struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data; |
| struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data; |
| |
| struct dentry *tx_queue_len; |
| |
| struct dentry *retry_count; |
| struct dentry *excessive_retries; |
| struct dentry *gpio_power; |
| }; |
| |
| #define NUM_TX_QUEUES 4 |
| #define NUM_RX_PKT_DESC 8 |
| |
| /* FW status registers */ |
| struct wl1271_fw_status { |
| __le32 intr; |
| u8 fw_rx_counter; |
| u8 drv_rx_counter; |
| u8 reserved; |
| u8 tx_results_counter; |
| __le32 rx_pkt_descs[NUM_RX_PKT_DESC]; |
| __le32 tx_released_blks[NUM_TX_QUEUES]; |
| __le32 fw_localtime; |
| __le32 padding[2]; |
| } __packed; |
| |
| struct wl1271_rx_mem_pool_addr { |
| u32 addr; |
| u32 addr_extra; |
| }; |
| |
| struct wl1271_scan { |
| struct cfg80211_scan_request *req; |
| bool *scanned_ch; |
| bool failed; |
| u8 state; |
| u8 ssid[IW_ESSID_MAX_SIZE+1]; |
| size_t ssid_len; |
| }; |
| |
| struct wl1271_if_operations { |
| void (*read)(struct wl1271 *wl, int addr, void *buf, size_t len, |
| bool fixed); |
| void (*write)(struct wl1271 *wl, int addr, void *buf, size_t len, |
| bool fixed); |
| void (*reset)(struct wl1271 *wl); |
| void (*init)(struct wl1271 *wl); |
| int (*power)(struct wl1271 *wl, bool enable); |
| struct device* (*dev)(struct wl1271 *wl); |
| void (*enable_irq)(struct wl1271 *wl); |
| void (*disable_irq)(struct wl1271 *wl); |
| }; |
| |
| struct wl1271 { |
| struct platform_device *plat_dev; |
| struct ieee80211_hw *hw; |
| bool mac80211_registered; |
| |
| void *if_priv; |
| |
| struct wl1271_if_operations *if_ops; |
| |
| void (*set_power)(bool enable); |
| int irq; |
| int ref_clock; |
| |
| spinlock_t wl_lock; |
| |
| enum wl1271_state state; |
| struct mutex mutex; |
| |
| #define WL1271_FLAG_STA_RATES_CHANGED (0) |
| #define WL1271_FLAG_STA_ASSOCIATED (1) |
| #define WL1271_FLAG_JOINED (2) |
| #define WL1271_FLAG_GPIO_POWER (3) |
| #define WL1271_FLAG_TX_QUEUE_STOPPED (4) |
| #define WL1271_FLAG_IN_ELP (5) |
| #define WL1271_FLAG_PSM (6) |
| #define WL1271_FLAG_PSM_REQUESTED (7) |
| #define WL1271_FLAG_IRQ_PENDING (8) |
| #define WL1271_FLAG_IRQ_RUNNING (9) |
| #define WL1271_FLAG_IDLE (10) |
| #define WL1271_FLAG_IDLE_REQUESTED (11) |
| #define WL1271_FLAG_PSPOLL_FAILURE (12) |
| #define WL1271_FLAG_STA_STATE_SENT (13) |
| unsigned long flags; |
| |
| struct wl1271_partition_set part; |
| |
| struct wl1271_chip chip; |
| |
| int cmd_box_addr; |
| int event_box_addr; |
| |
| u8 *fw; |
| size_t fw_len; |
| struct wl1271_nvs_file *nvs; |
| size_t nvs_len; |
| |
| s8 hw_pg_ver; |
| |
| u8 bssid[ETH_ALEN]; |
| u8 mac_addr[ETH_ALEN]; |
| u8 bss_type; |
| u8 set_bss_type; |
| u8 ssid[IW_ESSID_MAX_SIZE + 1]; |
| u8 ssid_len; |
| int channel; |
| |
| struct wl1271_acx_mem_map *target_mem_map; |
| |
| /* Accounting for allocated / available TX blocks on HW */ |
| u32 tx_blocks_freed[NUM_TX_QUEUES]; |
| u32 tx_blocks_available; |
| u32 tx_results_count; |
| |
| /* Transmitted TX packets counter for chipset interface */ |
| u32 tx_packets_count; |
| |
| /* Time-offset between host and chipset clocks */ |
| s64 time_offset; |
| |
| /* Session counter for the chipset */ |
| int session_counter; |
| |
| /* Frames scheduled for transmission, not handled yet */ |
| struct sk_buff_head tx_queue; |
| |
| struct work_struct tx_work; |
| |
| /* Pending TX frames */ |
| struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS]; |
| int tx_frames_cnt; |
| |
| /* Security sequence number counters */ |
| u8 tx_security_last_seq; |
| s64 tx_security_seq; |
| |
| /* FW Rx counter */ |
| u32 rx_counter; |
| |
| /* Rx memory pool address */ |
| struct wl1271_rx_mem_pool_addr rx_mem_pool_addr; |
| |
| /* Intermediate buffer, used for packet aggregation */ |
| u8 *aggr_buf; |
| |
| /* The target interrupt mask */ |
| struct work_struct irq_work; |
| |
| /* Hardware recovery work */ |
| struct work_struct recovery_work; |
| |
| /* The mbox event mask */ |
| u32 event_mask; |
| |
| /* Mailbox pointers */ |
| u32 mbox_ptr[2]; |
| |
| /* Are we currently scanning */ |
| struct wl1271_scan scan; |
| struct delayed_work scan_complete_work; |
| |
| /* Our association ID */ |
| u16 aid; |
| |
| /* currently configured rate set */ |
| u32 sta_rate_set; |
| u32 basic_rate_set; |
| u32 basic_rate; |
| u32 rate_set; |
| |
| /* The current band */ |
| enum ieee80211_band band; |
| |
| /* Beaconing interval (needed for ad-hoc) */ |
| u32 beacon_int; |
| |
| /* Default key (for WEP) */ |
| u32 default_key; |
| |
| unsigned int filters; |
| unsigned int rx_config; |
| unsigned int rx_filter; |
| |
| struct completion *elp_compl; |
| struct delayed_work elp_work; |
| struct delayed_work pspoll_work; |
| |
| /* counter for ps-poll delivery failures */ |
| int ps_poll_failures; |
| |
| /* retry counter for PSM entries */ |
| u8 psm_entry_retry; |
| |
| /* in dBm */ |
| int power_level; |
| |
| int rssi_thold; |
| int last_rssi_event; |
| |
| struct wl1271_stats stats; |
| struct wl1271_debugfs debugfs; |
| |
| __le32 buffer_32; |
| u32 buffer_cmd; |
| u32 buffer_busyword[WL1271_BUSY_WORD_CNT]; |
| |
| struct wl1271_fw_status *fw_status; |
| struct wl1271_tx_hw_res_if *tx_res_if; |
| |
| struct ieee80211_vif *vif; |
| |
| /* Current chipset configuration */ |
| struct conf_drv_settings conf; |
| |
| bool sg_enabled; |
| |
| bool enable_11a; |
| |
| struct list_head list; |
| |
| /* Most recently reported noise in dBm */ |
| s8 noise; |
| }; |
| |
| int wl1271_plt_start(struct wl1271 *wl); |
| int wl1271_plt_stop(struct wl1271 *wl); |
| |
| #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ |
| |
| #define SESSION_COUNTER_MAX 7 /* maximum value for the session counter */ |
| |
| #define WL1271_DEFAULT_POWER_LEVEL 0 |
| |
| #define WL1271_TX_QUEUE_LOW_WATERMARK 10 |
| #define WL1271_TX_QUEUE_HIGH_WATERMARK 25 |
| |
| /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power |
| on in case is has been shut down shortly before */ |
| #define WL1271_PRE_POWER_ON_SLEEP 20 /* in miliseconds */ |
| #define WL1271_POWER_ON_SLEEP 200 /* in miliseconds */ |
| |
| #endif |
