diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmfmac/sdio_host.h')
| -rw-r--r-- | drivers/staging/brcm80211/brcmfmac/sdio_host.h | 278 |
1 files changed, 103 insertions, 175 deletions
diff --git a/drivers/staging/brcm80211/brcmfmac/sdio_host.h b/drivers/staging/brcm80211/brcmfmac/sdio_host.h index d34547215060..03ae16aac321 100644 --- a/drivers/staging/brcm80211/brcmfmac/sdio_host.h +++ b/drivers/staging/brcm80211/brcmfmac/sdio_host.h @@ -18,7 +18,6 @@ #define _BRCM_SDH_H_ #include <linux/skbuff.h> -extern const uint brcmf_sdio_msglevel; #define SDIO_FUNC_0 0 #define SDIO_FUNC_1 1 @@ -41,46 +40,71 @@ extern const uint brcmf_sdio_msglevel; /* Maximum number of I/O funcs */ #define SDIOD_MAX_IOFUNCS 7 -#define SBSDIO_NUM_FUNCTION 3 /* as of sdiod rev 0, supports 3 functions */ +/* as of sdiod rev 0, supports 3 functions */ +#define SBSDIO_NUM_FUNCTION 3 /* function 1 miscellaneous registers */ -#define SBSDIO_SPROM_CS 0x10000 /* sprom command and status */ -#define SBSDIO_SPROM_INFO 0x10001 /* sprom info register */ -#define SBSDIO_SPROM_DATA_LOW 0x10002 /* sprom indirect access data byte 0 */ -#define SBSDIO_SPROM_DATA_HIGH 0x10003 /* sprom indirect access data byte 1 */ -#define SBSDIO_SPROM_ADDR_LOW 0x10004 /* sprom indirect access addr byte 0 */ -#define SBSDIO_SPROM_ADDR_HIGH 0x10005 /* sprom indirect access addr byte 0 */ -#define SBSDIO_CHIP_CTRL_DATA 0x10006 /* xtal_pu (gpio) output */ -#define SBSDIO_CHIP_CTRL_EN 0x10007 /* xtal_pu (gpio) enable */ -#define SBSDIO_WATERMARK 0x10008 /* rev < 7, watermark for sdio device */ -#define SBSDIO_DEVICE_CTL 0x10009 /* control busy signal generation */ - -/* registers introduced in rev 8, some content (mask/bits) defs in sbsdpcmdev.h */ -#define SBSDIO_FUNC1_SBADDRLOW 0x1000A /* SB Address Window Low (b15) */ -#define SBSDIO_FUNC1_SBADDRMID 0x1000B /* SB Address Window Mid (b23:b16) */ -#define SBSDIO_FUNC1_SBADDRHIGH 0x1000C /* SB Address Window High (b31:b24) */ -#define SBSDIO_FUNC1_FRAMECTRL 0x1000D /* Frame Control (frame term/abort) */ -#define SBSDIO_FUNC1_CHIPCLKCSR 0x1000E /* ChipClockCSR (ALP/HT ctl/status) */ -#define SBSDIO_FUNC1_SDIOPULLUP 0x1000F /* SdioPullUp (on cmd, d0-d2) */ -#define SBSDIO_FUNC1_WFRAMEBCLO 0x10019 /* Write Frame Byte Count Low */ -#define SBSDIO_FUNC1_WFRAMEBCHI 0x1001A /* Write Frame Byte Count High */ -#define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B /* Read Frame Byte Count Low */ -#define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C /* Read Frame Byte Count High */ + +/* sprom command and status */ +#define SBSDIO_SPROM_CS 0x10000 +/* sprom info register */ +#define SBSDIO_SPROM_INFO 0x10001 +/* sprom indirect access data byte 0 */ +#define SBSDIO_SPROM_DATA_LOW 0x10002 +/* sprom indirect access data byte 1 */ +#define SBSDIO_SPROM_DATA_HIGH 0x10003 +/* sprom indirect access addr byte 0 */ +#define SBSDIO_SPROM_ADDR_LOW 0x10004 +/* sprom indirect access addr byte 0 */ +#define SBSDIO_SPROM_ADDR_HIGH 0x10005 +/* xtal_pu (gpio) output */ +#define SBSDIO_CHIP_CTRL_DATA 0x10006 +/* xtal_pu (gpio) enable */ +#define SBSDIO_CHIP_CTRL_EN 0x10007 +/* rev < 7, watermark for sdio device */ +#define SBSDIO_WATERMARK 0x10008 +/* control busy signal generation */ +#define SBSDIO_DEVICE_CTL 0x10009 + +/* SB Address Window Low (b15) */ +#define SBSDIO_FUNC1_SBADDRLOW 0x1000A +/* SB Address Window Mid (b23:b16) */ +#define SBSDIO_FUNC1_SBADDRMID 0x1000B +/* SB Address Window High (b31:b24) */ +#define SBSDIO_FUNC1_SBADDRHIGH 0x1000C +/* Frame Control (frame term/abort) */ +#define SBSDIO_FUNC1_FRAMECTRL 0x1000D +/* ChipClockCSR (ALP/HT ctl/status) */ +#define SBSDIO_FUNC1_CHIPCLKCSR 0x1000E +/* SdioPullUp (on cmd, d0-d2) */ +#define SBSDIO_FUNC1_SDIOPULLUP 0x1000F +/* Write Frame Byte Count Low */ +#define SBSDIO_FUNC1_WFRAMEBCLO 0x10019 +/* Write Frame Byte Count High */ +#define SBSDIO_FUNC1_WFRAMEBCHI 0x1001A +/* Read Frame Byte Count Low */ +#define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B +/* Read Frame Byte Count High */ +#define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C #define SBSDIO_FUNC1_MISC_REG_START 0x10000 /* f1 misc register start */ #define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001C /* f1 misc register end */ /* function 1 OCP space */ -#define SBSDIO_SB_OFT_ADDR_MASK 0x07FFF /* sb offset addr is <= 15 bits, 32k */ + +/* sb offset addr is <= 15 bits, 32k */ +#define SBSDIO_SB_OFT_ADDR_MASK 0x07FFF #define SBSDIO_SB_OFT_ADDR_LIMIT 0x08000 -#define SBSDIO_SB_ACCESS_2_4B_FLAG 0x08000 /* with b15, maps to 32-bit SB access */ +/* with b15, maps to 32-bit SB access */ +#define SBSDIO_SB_ACCESS_2_4B_FLAG 0x08000 -/* some duplication with sbsdpcmdev.h here */ /* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */ + #define SBSDIO_SBADDRLOW_MASK 0x80 /* Valid bits in SBADDRLOW */ #define SBSDIO_SBADDRMID_MASK 0xff /* Valid bits in SBADDRMID */ #define SBSDIO_SBADDRHIGH_MASK 0xffU /* Valid bits in SBADDRHIGH */ -#define SBSDIO_SBWINDOW_MASK 0xffff8000 /* Address bits from SBADDR regs */ +/* Address bits from SBADDR regs */ +#define SBSDIO_SBWINDOW_MASK 0xffff8000 #define SDIOH_READ 0 /* Read request */ #define SDIOH_WRITE 1 /* Write request */ @@ -92,68 +116,27 @@ extern const uint brcmf_sdio_msglevel; #define SUCCESS 0 #define ERROR 1 -/* forward declarations */ -struct brcmf_sdio_card; - struct brcmf_sdreg { int func; int offset; int value; }; -struct sdioh_info { - struct osl_info *osh; /* osh handler */ - bool client_intr_enabled; /* interrupt connnected flag */ - bool intr_handler_valid; /* client driver interrupt handler valid */ - void (*intr_handler)(void *); /* registered interrupt handler */ - void *intr_handler_arg; /* argument to call interrupt handler */ - u16 intmask; /* Current active interrupts */ - void *sdos_info; /* Pointer to per-OS private data */ - - uint irq; /* Client irq */ - int intrcount; /* Client interrupts */ - 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 */ - int client_block_size[SDIOD_MAX_IOFUNCS]; /* Blocksize */ - u8 num_funcs; /* Supported funcs on client */ - u32 com_cis_ptr; +struct brcmf_sdio_dev { + struct sdio_func *func[SDIO_MAX_FUNCS]; + u8 num_funcs; /* Supported funcs on client */ u32 func_cis_ptr[SDIOD_MAX_IOFUNCS]; - uint max_dma_len; - uint max_dma_descriptors; /* DMA Descriptors supported by this controller. */ - /* SDDMA_DESCRIPTOR SGList[32]; *//* Scatter/Gather DMA List */ + u32 sbwad; /* Save backplane window address */ + bool regfail; /* status of last reg_r/w call */ + void *bus; + atomic_t suspend; /* suspend flag */ }; -struct brcmf_sdmmc_instance { - struct sdioh_info *sd; - struct sdio_func *func[SDIOD_MAX_IOFUNCS]; - u32 host_claimed; -}; - -/* Attach and build an interface to the underlying SD host driver. - * - Allocates resources (structs, arrays, mem, OS handles, etc) needed by - * brcmf_sdcard. - * - Returns the sdio card handle and virtual address base for register access. - * The returned handle should be used in all subsequent calls, but the bcmsh - * implementation may maintain a single "default" handle (e.g. the first or - * most recent one) to enable single-instance implementations to pass NULL. - */ -extern struct brcmf_sdio_card* -brcmf_sdcard_attach(void *cfghdl, u32 *regsva, uint irq); - -/* Detach - freeup resources allocated in attach */ -extern int brcmf_sdcard_detach(struct brcmf_sdio_card *card); - -/* Enable/disable SD interrupt */ -extern int brcmf_sdcard_intr_enable(struct brcmf_sdio_card *card); -extern int brcmf_sdcard_intr_disable(struct brcmf_sdio_card *card); - /* Register/deregister device interrupt handler. */ extern int -brcmf_sdcard_intr_reg(struct brcmf_sdio_card *card, - void (*fn)(void *), void *argh); +brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev); -extern int brcmf_sdcard_intr_dereg(struct brcmf_sdio_card *card); +extern int brcmf_sdcard_intr_dereg(struct brcmf_sdio_dev *sdiodev); /* Access SDIO address space (e.g. CCCR) using CMD52 (single-byte interface). * fn: function number @@ -161,20 +144,11 @@ extern int brcmf_sdcard_intr_dereg(struct brcmf_sdio_card *card); * data: data byte to write * err: pointer to error code (or NULL) */ -extern u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_card *card, uint func, +extern u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_dev *sdiodev, uint func, u32 addr, int *err); -extern void brcmf_sdcard_cfg_write(struct brcmf_sdio_card *card, uint func, +extern void brcmf_sdcard_cfg_write(struct brcmf_sdio_dev *sdiodev, uint func, u32 addr, u8 data, int *err); -/* Read/Write 4bytes from/to cfg space */ -extern u32 -brcmf_sdcard_cfg_read_word(struct brcmf_sdio_card *card, uint fnc_num, - u32 addr, int *err); - -extern void brcmf_sdcard_cfg_write_word(struct brcmf_sdio_card *card, - uint fnc_num, u32 addr, - u32 data, int *err); - /* Read CIS content for specified function. * fn: function whose CIS is being requested (0 is common CIS) * cis: pointer to memory location to place results @@ -182,7 +156,7 @@ extern void brcmf_sdcard_cfg_write_word(struct brcmf_sdio_card *card, * Internally, this routine uses the values from the cis base regs (0x9-0xB) * to form an SDIO-space address to read the data from. */ -extern int brcmf_sdcard_cis_read(struct brcmf_sdio_card *card, uint func, +extern int brcmf_sdcard_cis_read(struct brcmf_sdio_dev *sdiodev, uint func, u8 *cis, uint length); /* Synchronous access to device (client) core registers via CMD53 to F1. @@ -191,14 +165,14 @@ extern int brcmf_sdcard_cis_read(struct brcmf_sdio_card *card, uint func, * data: data for register write */ extern u32 -brcmf_sdcard_reg_read(struct brcmf_sdio_card *card, u32 addr, uint size); +brcmf_sdcard_reg_read(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size); extern u32 -brcmf_sdcard_reg_write(struct brcmf_sdio_card *card, u32 addr, uint size, +brcmf_sdcard_reg_write(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size, u32 data); /* Indicate if last reg read/write failed */ -extern bool brcmf_sdcard_regfail(struct brcmf_sdio_card *card); +extern bool brcmf_sdcard_regfail(struct brcmf_sdio_dev *sdiodev); /* Buffer transfer to/from device (client) core via cmd53. * fn: function number @@ -213,22 +187,20 @@ extern bool brcmf_sdcard_regfail(struct brcmf_sdio_card *card); * NOTE: Async operation is not currently supported. */ extern int -brcmf_sdcard_send_buf(struct brcmf_sdio_card *card, u32 addr, uint fn, - uint flags, u8 *buf, uint nbytes, void *pkt, - void (*complete)(void *handle, int status, - bool sync_waiting), - void *handle); +brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, + uint flags, u8 *buf, uint nbytes, struct sk_buff *pkt); extern int -brcmf_sdcard_recv_buf(struct brcmf_sdio_card *card, u32 addr, uint fn, - uint flags, u8 *buf, uint nbytes, struct sk_buff *pkt, - void (*complete)(void *handle, int status, - bool sync_waiting), - void *handle); +brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, + uint flags, u8 *buf, uint nbytes, struct sk_buff *pkt); /* Flags bits */ -#define SDIO_REQ_4BYTE 0x1 /* Four-byte target (backplane) width (vs. two-byte) */ -#define SDIO_REQ_FIXED 0x2 /* Fixed address (FIFO) (vs. incrementing address) */ -#define SDIO_REQ_ASYNC 0x4 /* Async request (vs. sync request) */ + +/* Four-byte target (backplane) width (vs. two-byte) */ +#define SDIO_REQ_4BYTE 0x1 +/* Fixed address (FIFO) (vs. incrementing address) */ +#define SDIO_REQ_FIXED 0x2 +/* Async request (vs. sync request) */ +#define SDIO_REQ_ASYNC 0x4 /* Pending (non-error) return code */ #define BCME_PENDING 1 @@ -240,108 +212,64 @@ brcmf_sdcard_recv_buf(struct brcmf_sdio_card *card, u32 addr, uint fn, * nbytes: number of bytes to transfer to/from buf * Returns 0 or error code. */ -extern int brcmf_sdcard_rwdata(struct brcmf_sdio_card *card, uint rw, u32 addr, - u8 *buf, uint nbytes); +extern int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw, + u32 addr, u8 *buf, uint nbytes); /* Issue an abort to the specified function */ -extern int brcmf_sdcard_abort(struct brcmf_sdio_card *card, uint fn); - -/* Returns the "Device ID" of target device on the SDIO bus. */ -extern int brcmf_sdcard_query_device(struct brcmf_sdio_card *card); +extern int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn); /* Miscellaneous knob tweaker. */ -extern int brcmf_sdcard_iovar_op(struct brcmf_sdio_card *card, const char *name, - void *params, int plen, void *arg, int len, - bool set); - -/* helper functions */ - -/* callback functions */ -struct brcmf_sdioh_driver { - /* attach to device */ - void *(*attach) (u16 vend_id, u16 dev_id, u16 bus, u16 slot, - u16 func, uint bustype, u32 regsva, void *param); - /* detach from device */ - void (*detach) (void *ch); -}; - -struct sdioh_info; +extern int brcmf_sdcard_iovar_op(struct brcmf_sdio_dev *sdiodev, + const char *name, void *params, int plen, + void *arg, int len, bool set); /* platform specific/high level functions */ extern int brcmf_sdio_function_init(void); -extern int brcmf_sdio_register(struct brcmf_sdioh_driver *driver); +extern int brcmf_sdio_register(void); extern void brcmf_sdio_unregister(void); extern void brcmf_sdio_function_cleanup(void); -extern int brcmf_sdio_probe(struct device *dev); -extern int brcmf_sdio_remove(struct device *dev); +extern int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev); +extern int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev); /* Function to return current window addr */ -extern u32 brcmf_sdcard_cur_sbwad(struct brcmf_sdio_card *card); - -/* Allocate/init/free per-OS private data */ -extern int brcmf_sdioh_osinit(struct sdioh_info *sd); -extern void brcmf_sdioh_osfree(struct sdioh_info *sd); - -/* Core interrupt enable/disable of device interrupts */ -extern void brcmf_sdioh_dev_intr_on(struct sdioh_info *sd); -extern void brcmf_sdioh_dev_intr_off(struct sdioh_info *sd); +extern u32 brcmf_sdcard_cur_sbwad(struct brcmf_sdio_dev *sdiodev); /* attach, return handler on success, NULL if failed. * The handler shall be provided by all subsequent calls. No local cache * cfghdl points to the starting address of pci device mapped memory */ -extern struct sdioh_info *brcmf_sdioh_attach(void *cfghdl, uint irq); -extern int brcmf_sdioh_detach(struct sdioh_info *si); - -extern int -brcmf_sdioh_interrupt_register(struct sdioh_info *si, - void (*sdioh_cb_fn)(void *), void *argh); - -extern int brcmf_sdioh_interrupt_deregister(struct sdioh_info *si); - -/* enable or disable SD interrupt */ -extern int -brcmf_sdioh_interrupt_set(struct sdioh_info *si, bool enable_disable); +extern int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev); +extern void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev); /* read or write one byte using cmd52 */ -extern int -brcmf_sdioh_request_byte(struct sdioh_info *si, uint rw, uint fnc, uint addr, - u8 *byte); +extern int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, + uint fnc, uint addr, u8 *byte); /* read or write 2/4 bytes using cmd53 */ extern int -brcmf_sdioh_request_word(struct sdioh_info *si, uint cmd_type, +brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev, uint cmd_type, uint rw, uint fnc, uint addr, u32 *word, uint nbyte); /* read or write any buffer using cmd53 */ extern int -brcmf_sdioh_request_buffer(struct sdioh_info *si, uint pio_dma, +brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev, uint pio_dma, uint fix_inc, uint rw, uint fnc_num, u32 addr, uint regwidth, u32 buflen, u8 *buffer, struct sk_buff *pkt); /* get cis data */ -extern int -brcmf_sdioh_cis_read(struct sdioh_info *si, uint fuc, u8 *cis, u32 length); - -extern int -brcmf_sdioh_cfg_read(struct sdioh_info *si, uint fuc, u32 addr, u8 *data); -extern int -brcmf_sdioh_cfg_write(struct sdioh_info *si, uint fuc, u32 addr, u8 *data); - -/* handle iovars */ -extern int brcmf_sdioh_iovar_op(struct sdioh_info *si, const char *name, - void *params, int plen, void *arg, int len, bool set); - -/* Issue abort to the specified function and clear controller as needed */ -extern int brcmf_sdioh_abort(struct sdioh_info *si, uint fnc); +extern int brcmf_sdioh_cis_read(struct brcmf_sdio_dev *sdiodev, uint fuc, + u8 *cis, u32 length); /* Watchdog timer interface for pm ops */ -extern void brcmf_sdio_wdtmr_enable(bool enable); - -extern uint sd_msglevel; /* Debug message level */ +extern void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, + bool enable); -extern struct brcmf_sdmmc_instance *gInstance; +extern uint sd_f2_blocksize; +extern void *brcmf_sdbrcm_probe(u16 bus_no, u16 slot, u16 func, uint bustype, + u32 regsva, struct brcmf_sdio_dev *sdiodev); +extern void brcmf_sdbrcm_disconnect(void *ptr); +extern void brcmf_sdbrcm_isr(void *arg); #endif /* _BRCM_SDH_H_ */ |