drivers/net/wireless/bcm4329/include/bcmsdstd.h - nest-cam/v179/linux - Git at Google

 /*
  *  'Standard' SDIO HOST CONTROLLER driver
  *
  * Copyright (C) 1999-2010, Broadcom Corporation
  *
  *      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.
  *
  *      Notwithstanding the above, under no circumstances may you combine this
  * software in any way with any other Broadcom software provided under a license
  * other than the GPL, without Broadcom's express prior written consent.
  *
  * $Id: bcmsdstd.h,v 13.16.18.1.16.3 2009/12/10 01:09:23 Exp $
  */

 /* global msglevel for debug messages - bitvals come from sdiovar.h */

 #define sd_err(x)	do { if (sd_msglevel & SDH_ERROR_VAL) printf x; } while (0)
 #define sd_trace(x)
 #define sd_info(x)
 #define sd_debug(x)
 #define sd_data(x)
 #define sd_ctrl(x)
 #define sd_dma(x)

 #define sd_sync_dma(sd, read, nbytes)
 #define sd_init_dma(sd)
 #define sd_ack_intr(sd)
 #define sd_wakeup(sd);
 /* Allocate/init/free per-OS private data */
 extern int sdstd_osinit(sdioh_info_t *sd);
 extern void sdstd_osfree(sdioh_info_t *sd);

 #define sd_log(x)

 #define SDIOH_ASSERT(exp) \
 	do { if (!(exp)) \
 		printf("!!!ASSERT fail: file %s lines %d", __FILE__, __LINE__); \
 	} while (0)

 #define BLOCK_SIZE_4318 64
 #define BLOCK_SIZE_4328 512

 /* internal return code */
 #define SUCCESS	0
 #define ERROR	1

 /* private bus modes */
 #define SDIOH_MODE_SPI		0
 #define SDIOH_MODE_SD1		1
 #define SDIOH_MODE_SD4		2

 #define MAX_SLOTS 6 	/* For PCI: Only 6 BAR entries => 6 slots */
 #define SDIOH_REG_WINSZ	0x100 /* Number of registers in Standard Host Controller */

 #define SDIOH_TYPE_ARASAN_HDK	1
 #define SDIOH_TYPE_BCM27XX	2
 #define SDIOH_TYPE_TI_PCIXX21	4	/* TI PCIxx21 Standard Host Controller */
 #define SDIOH_TYPE_RICOH_R5C822	5	/* Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter */
 #define SDIOH_TYPE_JMICRON	6	/* JMicron Standard SDIO Host Controller */

 /* For linux, allow yielding for dongle */
 #define BCMSDYIELD

 /* Expected card status value for CMD7 */
 #define SDIOH_CMD7_EXP_STATUS   0x00001E00

 #define RETRIES_LARGE 100000
 #define RETRIES_SMALL 100


 #define USE_BLOCKMODE		0x2	/* Block mode can be single block or multi */
 #define USE_MULTIBLOCK		0x4

 #define USE_FIFO		0x8	/* Fifo vs non-fifo */

 #define CLIENT_INTR 		0x100	/* Get rid of this! */


 struct sdioh_info {
 	uint cfg_bar;                   	/* pci cfg address for bar */
 	uint32 caps;                    	/* cached value of capabilities reg */
 	uint32 curr_caps;                    	/* max current capabilities reg */

 	osl_t 		*osh;			/* osh handler */
 	volatile char 	*mem_space;		/* pci device memory va */
 	uint		lockcount; 		/* nest count of sdstd_lock() calls */
 	bool		client_intr_enabled;	/* interrupt connnected flag */
 	bool		intr_handler_valid;	/* client driver interrupt handler valid */
 	sdioh_cb_fn_t	intr_handler;		/* registered interrupt handler */
 	void		*intr_handler_arg;	/* argument to call interrupt handler */
 	bool		initialized;		/* card initialized */
 	uint		target_dev;		/* Target device ID */
 	uint16		intmask;		/* Current active interrupts */
 	void		*sdos_info;		/* Pointer to per-OS private data */

 	uint32		controller_type;	/* Host controller type */
 	uint8		version;		/* Host Controller Spec Compliance Version */
 	uint 		irq;			/* Client irq */
 	int 		intrcount;		/* Client interrupts */
 	int 		local_intrcount;	/* Controller interrupts */
 	bool 		host_init_done;		/* Controller initted */
 	bool 		card_init_done;		/* Client SDIO interface initted */
 	bool 		polled_mode;		/* polling for command completion */

 	bool 		sd_blockmode;		/* sd_blockmode == FALSE => 64 Byte Cmd 53s. */
 						/*  Must be on for sd_multiblock to be effective */
 	bool 		use_client_ints;	/* If this is false, make sure to restore */
 						/*  polling hack in wl_linux.c:wl_timer() */
 	int 		adapter_slot;		/* Maybe dealing with multiple slots/controllers */
 	int 		sd_mode;		/* SD1/SD4/SPI */
 	int 		client_block_size[SDIOD_MAX_IOFUNCS];		/* Blocksize */
 	uint32 		data_xfer_count;	/* Current transfer */
 	uint16 		card_rca;		/* Current Address */
 	int8		sd_dma_mode;		/* DMA Mode (PIO, SDMA, ... ADMA2) on CMD53 */
 	uint8 		num_funcs;		/* Supported funcs on client */
 	uint32 		com_cis_ptr;
 	uint32 		func_cis_ptr[SDIOD_MAX_IOFUNCS];
 	void		*dma_buf;		/* DMA Buffer virtual address */
 	ulong		dma_phys;		/* DMA Buffer physical address */
 	void		*adma2_dscr_buf;	/* ADMA2 Descriptor Buffer virtual address */
 	ulong		adma2_dscr_phys;	/* ADMA2 Descriptor Buffer physical address */

 	/* adjustments needed to make the dma align properly */
 	void		*dma_start_buf;
 	ulong		dma_start_phys;
 	uint		alloced_dma_size;
 	void		*adma2_dscr_start_buf;
 	ulong		adma2_dscr_start_phys;
 	uint		alloced_adma2_dscr_size;

 	int 		r_cnt;			/* rx count */
 	int 		t_cnt;			/* tx_count */
 	bool		got_hcint;		/* local interrupt flag */
 	uint16		last_intrstatus;	/* to cache intrstatus */
 };

 #define DMA_MODE_NONE	0
 #define DMA_MODE_SDMA	1
 #define DMA_MODE_ADMA1	2
 #define DMA_MODE_ADMA2	3
 #define DMA_MODE_ADMA2_64 4
 #define DMA_MODE_AUTO	-1

 #define USE_DMA(sd)		((bool)((sd->sd_dma_mode > 0) ? TRUE : FALSE))

 /* SDIO Host Control Register DMA Mode Definitions */
 #define SDIOH_SDMA_MODE			0
 #define SDIOH_ADMA1_MODE		1
 #define SDIOH_ADMA2_MODE		2
 #define SDIOH_ADMA2_64_MODE		3

 #define ADMA2_ATTRIBUTE_VALID		(1 << 0)	/* ADMA Descriptor line valid */
 #define ADMA2_ATTRIBUTE_END			(1 << 1)	/* End of Descriptor */
 #define ADMA2_ATTRIBUTE_INT			(1 << 2)	/* Interrupt when line is done */
 #define ADMA2_ATTRIBUTE_ACT_NOP		(0 << 4)	/* Skip current line, go to next. */
 #define ADMA2_ATTRIBUTE_ACT_RSV		(1 << 4)	/* Same as NOP */
 #define ADMA1_ATTRIBUTE_ACT_SET		(1 << 4)	/* ADMA1 Only - set transfer length */
 #define ADMA2_ATTRIBUTE_ACT_TRAN	(2 << 4)	/* Transfer Data of one descriptor line. */
 #define ADMA2_ATTRIBUTE_ACT_LINK	(3 << 4)	/* Link Descriptor */

 /* ADMA2 Descriptor Table Entry for 32-bit Address */
 typedef struct adma2_dscr_32b {
 	uint32 len_attr;
 	uint32 phys_addr;
 } adma2_dscr_32b_t;

 /* ADMA1 Descriptor Table Entry */
 typedef struct adma1_dscr {
 	uint32 phys_addr_attr;
 } adma1_dscr_t;

 /************************************************************
  * Internal interfaces: per-port references into bcmsdstd.c
  */

 /* Global message bits */
 extern uint sd_msglevel;

 /* OS-independent interrupt handler */
 extern bool check_client_intr(sdioh_info_t *sd);

 /* Core interrupt enable/disable of device interrupts */
 extern void sdstd_devintr_on(sdioh_info_t *sd);
 extern void sdstd_devintr_off(sdioh_info_t *sd);

 /* Enable/disable interrupts for local controller events */
 extern void sdstd_intrs_on(sdioh_info_t *sd, uint16 norm, uint16 err);
 extern void sdstd_intrs_off(sdioh_info_t *sd, uint16 norm, uint16 err);

 /* Wait for specified interrupt and error bits to be set */
 extern void sdstd_spinbits(sdioh_info_t *sd, uint16 norm, uint16 err);


 /**************************************************************
  * Internal interfaces: bcmsdstd.c references to per-port code
  */

 /* Register mapping routines */
 extern uint32 *sdstd_reg_map(osl_t *osh, int32 addr, int size);
 extern void sdstd_reg_unmap(osl_t *osh, int32 addr, int size);

 /* Interrupt (de)registration routines */
 extern int sdstd_register_irq(sdioh_info_t *sd, uint irq);
 extern void sdstd_free_irq(uint irq, sdioh_info_t *sd);

 /* OS-specific interrupt wrappers (atomic interrupt enable/disable) */
 extern void sdstd_lock(sdioh_info_t *sd);
 extern void sdstd_unlock(sdioh_info_t *sd);

 /* OS-specific wait-for-interrupt-or-status */
 extern uint16 sdstd_waitbits(sdioh_info_t *sd, uint16 norm, uint16 err, bool yield);
	/*
	* 'Standard' SDIO HOST CONTROLLER driver
	*
	* Copyright (C) 1999-2010, Broadcom Corporation
	*
	* 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.
	*
	* Notwithstanding the above, under no circumstances may you combine this
	* software in any way with any other Broadcom software provided under a license
	* other than the GPL, without Broadcom's express prior written consent.
	*
	* $Id: bcmsdstd.h,v 13.16.18.1.16.3 2009/12/10 01:09:23 Exp $
	*/

	/* global msglevel for debug messages - bitvals come from sdiovar.h */

	#define sd_err(x) do { if (sd_msglevel & SDH_ERROR_VAL) printf x; } while (0)
	#define sd_trace(x)
	#define sd_info(x)
	#define sd_debug(x)
	#define sd_data(x)
	#define sd_ctrl(x)
	#define sd_dma(x)

	#define sd_sync_dma(sd, read, nbytes)
	#define sd_init_dma(sd)
	#define sd_ack_intr(sd)
	#define sd_wakeup(sd);
	/* Allocate/init/free per-OS private data */
	extern int sdstd_osinit(sdioh_info_t *sd);
	extern void sdstd_osfree(sdioh_info_t *sd);

	#define sd_log(x)

	#define SDIOH_ASSERT(exp) \
	do { if (!(exp)) \
	printf("!!!ASSERT fail: file %s lines %d", __FILE__, __LINE__); \
	} while (0)

	#define BLOCK_SIZE_4318 64
	#define BLOCK_SIZE_4328 512

	/* internal return code */
	#define SUCCESS 0
	#define ERROR 1

	/* private bus modes */
	#define SDIOH_MODE_SPI 0
	#define SDIOH_MODE_SD1 1
	#define SDIOH_MODE_SD4 2

	#define MAX_SLOTS 6 /* For PCI: Only 6 BAR entries => 6 slots */
	#define SDIOH_REG_WINSZ 0x100 /* Number of registers in Standard Host Controller */

	#define SDIOH_TYPE_ARASAN_HDK 1
	#define SDIOH_TYPE_BCM27XX 2
	#define SDIOH_TYPE_TI_PCIXX21 4 /* TI PCIxx21 Standard Host Controller */
	#define SDIOH_TYPE_RICOH_R5C822 5 /* Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter */
	#define SDIOH_TYPE_JMICRON 6 /* JMicron Standard SDIO Host Controller */

	/* For linux, allow yielding for dongle */
	#define BCMSDYIELD

	/* Expected card status value for CMD7 */
	#define SDIOH_CMD7_EXP_STATUS 0x00001E00

	#define RETRIES_LARGE 100000
	#define RETRIES_SMALL 100


	#define USE_BLOCKMODE 0x2 /* Block mode can be single block or multi */
	#define USE_MULTIBLOCK 0x4

	#define USE_FIFO 0x8 /* Fifo vs non-fifo */

	#define CLIENT_INTR 0x100 /* Get rid of this! */


	struct sdioh_info {
	uint cfg_bar; /* pci cfg address for bar */
	uint32 caps; /* cached value of capabilities reg */
	uint32 curr_caps; /* max current capabilities reg */

	osl_t osh; / osh handler */
	volatile char mem_space; / pci device memory va */
	uint lockcount; /* nest count of sdstd_lock() calls */
	bool client_intr_enabled; /* interrupt connnected flag */
	bool intr_handler_valid; /* client driver interrupt handler valid */
	sdioh_cb_fn_t intr_handler; /* registered interrupt handler */
	void intr_handler_arg; / argument to call interrupt handler */
	bool initialized; /* card initialized */
	uint target_dev; /* Target device ID */
	uint16 intmask; /* Current active interrupts */
	void sdos_info; / Pointer to per-OS private data */

	uint32 controller_type; /* Host controller type */
	uint8 version; /* Host Controller Spec Compliance Version */
	uint irq; /* Client irq */
	int intrcount; /* Client interrupts */
	int local_intrcount; /* Controller interrupts */
	bool host_init_done; /* Controller initted */
	bool card_init_done; /* Client SDIO interface initted */
	bool polled_mode; /* polling for command completion */

	bool sd_blockmode; /* sd_blockmode == FALSE => 64 Byte Cmd 53s. */
	/* Must be on for sd_multiblock to be effective */
	bool use_client_ints; /* If this is false, make sure to restore */
	/* polling hack in wl_linux.c:wl_timer() */
	int adapter_slot; /* Maybe dealing with multiple slots/controllers */
	int sd_mode; /* SD1/SD4/SPI */
	int client_block_size[SDIOD_MAX_IOFUNCS]; /* Blocksize */
	uint32 data_xfer_count; /* Current transfer */
	uint16 card_rca; /* Current Address */
	int8 sd_dma_mode; /* DMA Mode (PIO, SDMA, ... ADMA2) on CMD53 */
	uint8 num_funcs; /* Supported funcs on client */
	uint32 com_cis_ptr;
	uint32 func_cis_ptr[SDIOD_MAX_IOFUNCS];
	void dma_buf; / DMA Buffer virtual address */
	ulong dma_phys; /* DMA Buffer physical address */
	void adma2_dscr_buf; / ADMA2 Descriptor Buffer virtual address */
	ulong adma2_dscr_phys; /* ADMA2 Descriptor Buffer physical address */

	/* adjustments needed to make the dma align properly */
	void *dma_start_buf;
	ulong dma_start_phys;
	uint alloced_dma_size;
	void *adma2_dscr_start_buf;
	ulong adma2_dscr_start_phys;
	uint alloced_adma2_dscr_size;

	int r_cnt; /* rx count */
	int t_cnt; /* tx_count */
	bool got_hcint; /* local interrupt flag */
	uint16 last_intrstatus; /* to cache intrstatus */
	};

	#define DMA_MODE_NONE 0
	#define DMA_MODE_SDMA 1
	#define DMA_MODE_ADMA1 2
	#define DMA_MODE_ADMA2 3
	#define DMA_MODE_ADMA2_64 4
	#define DMA_MODE_AUTO -1

	#define USE_DMA(sd) ((bool)((sd->sd_dma_mode > 0) ? TRUE : FALSE))

	/* SDIO Host Control Register DMA Mode Definitions */
	#define SDIOH_SDMA_MODE 0
	#define SDIOH_ADMA1_MODE 1
	#define SDIOH_ADMA2_MODE 2
	#define SDIOH_ADMA2_64_MODE 3

	#define ADMA2_ATTRIBUTE_VALID (1 << 0) /* ADMA Descriptor line valid */
	#define ADMA2_ATTRIBUTE_END (1 << 1) /* End of Descriptor */
	#define ADMA2_ATTRIBUTE_INT (1 << 2) /* Interrupt when line is done */
	#define ADMA2_ATTRIBUTE_ACT_NOP (0 << 4) /* Skip current line, go to next. */
	#define ADMA2_ATTRIBUTE_ACT_RSV (1 << 4) /* Same as NOP */
	#define ADMA1_ATTRIBUTE_ACT_SET (1 << 4) /* ADMA1 Only - set transfer length */
	#define ADMA2_ATTRIBUTE_ACT_TRAN (2 << 4) /* Transfer Data of one descriptor line. */
	#define ADMA2_ATTRIBUTE_ACT_LINK (3 << 4) /* Link Descriptor */

	/* ADMA2 Descriptor Table Entry for 32-bit Address */
	typedef struct adma2_dscr_32b {
	uint32 len_attr;
	uint32 phys_addr;
	} adma2_dscr_32b_t;

	/* ADMA1 Descriptor Table Entry */
	typedef struct adma1_dscr {
	uint32 phys_addr_attr;
	} adma1_dscr_t;

	/************************************************************
	* Internal interfaces: per-port references into bcmsdstd.c
	*/

	/* Global message bits */
	extern uint sd_msglevel;

	/* OS-independent interrupt handler */
	extern bool check_client_intr(sdioh_info_t *sd);

	/* Core interrupt enable/disable of device interrupts */
	extern void sdstd_devintr_on(sdioh_info_t *sd);
	extern void sdstd_devintr_off(sdioh_info_t *sd);

	/* Enable/disable interrupts for local controller events */
	extern void sdstd_intrs_on(sdioh_info_t *sd, uint16 norm, uint16 err);
	extern void sdstd_intrs_off(sdioh_info_t *sd, uint16 norm, uint16 err);

	/* Wait for specified interrupt and error bits to be set */
	extern void sdstd_spinbits(sdioh_info_t *sd, uint16 norm, uint16 err);


	/**************************************************************
	* Internal interfaces: bcmsdstd.c references to per-port code
	*/

	/* Register mapping routines */
	extern uint32 sdstd_reg_map(osl_t osh, int32 addr, int size);
	extern void sdstd_reg_unmap(osl_t *osh, int32 addr, int size);

	/* Interrupt (de)registration routines */
	extern int sdstd_register_irq(sdioh_info_t *sd, uint irq);
	extern void sdstd_free_irq(uint irq, sdioh_info_t *sd);

	/* OS-specific interrupt wrappers (atomic interrupt enable/disable) */
	extern void sdstd_lock(sdioh_info_t *sd);
	extern void sdstd_unlock(sdioh_info_t *sd);

	/* OS-specific wait-for-interrupt-or-status */
	extern uint16 sdstd_waitbits(sdioh_info_t *sd, uint16 norm, uint16 err, bool yield);