[deliverable/linux.git] / drivers / net / wireless / brcm80211 / brcmfmac / sdio_host.h

/*
 * Copyright (c) 2010 Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef	_BRCM_SDH_H_
#define	_BRCM_SDH_H_

#include <linux/skbuff.h>

#define SDIO_FUNC_0		0
#define SDIO_FUNC_1		1
#define SDIO_FUNC_2		2

#define SDIOD_FBR_SIZE		0x100

/* io_en */
#define SDIO_FUNC_ENABLE_1	0x02
#define SDIO_FUNC_ENABLE_2	0x04

/* io_rdys */
#define SDIO_FUNC_READY_1	0x02
#define SDIO_FUNC_READY_2	0x04

/* intr_status */
#define INTR_STATUS_FUNC1	0x2
#define INTR_STATUS_FUNC2	0x4

/* Maximum number of I/O funcs */
#define SDIOD_MAX_IOFUNCS	7

/* as of sdiod rev 0, supports 3 functions */
#define SBSDIO_NUM_FUNCTION		3

/* function 1 miscellaneous registers */

/* 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 */

/* sb offset addr is <= 15 bits, 32k */
#define SBSDIO_SB_OFT_ADDR_MASK		0x07FFF
#define SBSDIO_SB_OFT_ADDR_LIMIT	0x08000
/* with b15, maps to 32-bit SB access */
#define SBSDIO_SB_ACCESS_2_4B_FLAG	0x08000

/* 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 */
/* Address bits from SBADDR regs */
#define SBSDIO_SBWINDOW_MASK		0xffff8000

#define SDIOH_READ              0	/* Read request */
#define SDIOH_WRITE             1	/* Write request */

#define SDIOH_DATA_FIX          0	/* Fixed addressing */
#define SDIOH_DATA_INC          1	/* Incremental addressing */

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

struct brcmf_sdreg {
	int func;
	int offset;
	int value;
};

struct brcmf_sdio;

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];
	u32 sbwad;			/* Save backplane window address */
	bool regfail;			/* status of last reg_r/w call */
	void *bus;
	atomic_t suspend;		/* suspend flag */
	wait_queue_head_t request_byte_wait;
	wait_queue_head_t request_word_wait;
	wait_queue_head_t request_chain_wait;
	wait_queue_head_t request_buffer_wait;
	struct device *dev;
	struct brcmf_bus *bus_if;
};

/* Register/deregister device interrupt handler. */
extern int
brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev);

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
 *   addr: unmodified SDIO-space address
 *   data: data byte to write
 *   err:  pointer to error code (or NULL)
 */
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_dev *sdiodev, uint func,
				   u32 addr, u8 data, int *err);

/* Synchronous access to device (client) core registers via CMD53 to F1.
 *   addr: backplane address (i.e. >= regsva from attach)
 *   size: register width in bytes (2 or 4)
 *   data: data for register write
 */
extern u32
brcmf_sdcard_reg_read(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size);

extern u32
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_dev *sdiodev);

/* Buffer transfer to/from device (client) core via cmd53.
 *   fn:       function number
 *   addr:     backplane address (i.e. >= regsva from attach)
 *   flags:    backplane width, address increment, sync/async
 *   buf:      pointer to memory data buffer
 *   nbytes:   number of bytes to transfer to/from buf
 *   pkt:      pointer to packet associated with buf (if any)
 *   complete: callback function for command completion (async only)
 *   handle:   handle for completion callback (first arg in callback)
 * Returns 0 or error code.
 * NOTE: Async operation is not currently supported.
 */
extern int
brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
		      uint flags, struct sk_buff *pkt);
extern int
brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
		      uint flags, u8 *buf, uint nbytes);

extern int
brcmf_sdcard_recv_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
		      uint flags, struct sk_buff *pkt);
extern int
brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
		      uint flags, u8 *buf, uint nbytes);
extern int
brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
			uint flags, struct sk_buff_head *pktq);

/* Flags bits */

/* 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

/* Read/write to memory block (F1, no FIFO) via CMD53 (sync only).
 *   rw:       read or write (0/1)
 *   addr:     direct SDIO address
 *   buf:      pointer to memory data buffer
 *   nbytes:   number of bytes to transfer to/from buf
 * Returns 0 or error code.
 */
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_dev *sdiodev, uint fn);

/* platform specific/high level functions */
extern int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev);
extern int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev);

extern int brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev,
					  u32 address);

/* 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 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 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 brcmf_sdio_dev *sdiodev,
			 uint rw, uint fnc, uint addr,
			 u32 *word, uint nbyte);

/* read or write any buffer using cmd53 */
extern int
brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev,
			   uint fix_inc, uint rw, uint fnc_num, u32 addr,
			   struct sk_buff *pkt);
extern int
brcmf_sdioh_request_chain(struct brcmf_sdio_dev *sdiodev, uint fix_inc,
			  uint write, uint func, uint addr,
			  struct sk_buff_head *pktq);

/* Watchdog timer interface for pm ops */
extern void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev,
				    bool enable);

extern void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev);
extern void brcmf_sdbrcm_disconnect(void *ptr);
extern void brcmf_sdbrcm_isr(void *arg);

extern void brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick);
#endif				/* _BRCM_SDH_H_ */
Commit	Line	Data
5b435de0 AS	1	/*
	2	* Copyright (c) 2010 Broadcom Corporation
	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
	11	* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
	13	* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
	14	* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	#ifndef _BRCM_SDH_H_
	18	#define _BRCM_SDH_H_
	19
	20	#include <linux/skbuff.h>
	21
	22	#define SDIO_FUNC_0 0
	23	#define SDIO_FUNC_1 1
	24	#define SDIO_FUNC_2 2
	25
	26	#define SDIOD_FBR_SIZE 0x100
	27
	28	/* io_en */
	29	#define SDIO_FUNC_ENABLE_1 0x02
	30	#define SDIO_FUNC_ENABLE_2 0x04
	31
	32	/* io_rdys */
	33	#define SDIO_FUNC_READY_1 0x02
	34	#define SDIO_FUNC_READY_2 0x04
	35
	36	/* intr_status */
	37	#define INTR_STATUS_FUNC1 0x2
	38	#define INTR_STATUS_FUNC2 0x4
	39
	40	/* Maximum number of I/O funcs */
	41	#define SDIOD_MAX_IOFUNCS 7
	42
	43	/* as of sdiod rev 0, supports 3 functions */
	44	#define SBSDIO_NUM_FUNCTION 3
	45
	46	/* function 1 miscellaneous registers */
	47
	48	/* sprom command and status */
	49	#define SBSDIO_SPROM_CS 0x10000
	50	/* sprom info register */
	51	#define SBSDIO_SPROM_INFO 0x10001
	52	/* sprom indirect access data byte 0 */
	53	#define SBSDIO_SPROM_DATA_LOW 0x10002
	54	/* sprom indirect access data byte 1 */
	55	#define SBSDIO_SPROM_DATA_HIGH 0x10003
	56	/* sprom indirect access addr byte 0 */
	57	#define SBSDIO_SPROM_ADDR_LOW 0x10004
	58	/* sprom indirect access addr byte 0 */
	59	#define SBSDIO_SPROM_ADDR_HIGH 0x10005
	60	/* xtal_pu (gpio) output */
	61	#define SBSDIO_CHIP_CTRL_DATA 0x10006
	62	/* xtal_pu (gpio) enable */
	63	#define SBSDIO_CHIP_CTRL_EN 0x10007
	64	/* rev < 7, watermark for sdio device */
65	#define SBSDIO_WATERMARK 0x10008
66	/* control busy signal generation */
67	#define SBSDIO_DEVICE_CTL 0x10009
68
69	/* SB Address Window Low (b15) */
70	#define SBSDIO_FUNC1_SBADDRLOW 0x1000A
71	/* SB Address Window Mid (b23:b16) */
72	#define SBSDIO_FUNC1_SBADDRMID 0x1000B
73	/* SB Address Window High (b31:b24) */
74	#define SBSDIO_FUNC1_SBADDRHIGH 0x1000C
75	/* Frame Control (frame term/abort) */
76	#define SBSDIO_FUNC1_FRAMECTRL 0x1000D
77	/* ChipClockCSR (ALP/HT ctl/status) */
78	#define SBSDIO_FUNC1_CHIPCLKCSR 0x1000E
79	/* SdioPullUp (on cmd, d0-d2) */
80	#define SBSDIO_FUNC1_SDIOPULLUP 0x1000F
81	/* Write Frame Byte Count Low */
82	#define SBSDIO_FUNC1_WFRAMEBCLO 0x10019
83	/* Write Frame Byte Count High */
84	#define SBSDIO_FUNC1_WFRAMEBCHI 0x1001A
85	/* Read Frame Byte Count Low */
86	#define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B
87	/* Read Frame Byte Count High */
88	#define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C
89
90	#define SBSDIO_FUNC1_MISC_REG_START 0x10000 /* f1 misc register start */
91	#define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001C /* f1 misc register end */
92
93	/* function 1 OCP space */
94
95	/* sb offset addr is <= 15 bits, 32k */
96	#define SBSDIO_SB_OFT_ADDR_MASK 0x07FFF
97	#define SBSDIO_SB_OFT_ADDR_LIMIT 0x08000
98	/* with b15, maps to 32-bit SB access */
99	#define SBSDIO_SB_ACCESS_2_4B_FLAG 0x08000
100
101	/* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */
102
103	#define SBSDIO_SBADDRLOW_MASK 0x80 /* Valid bits in SBADDRLOW */
104	#define SBSDIO_SBADDRMID_MASK 0xff /* Valid bits in SBADDRMID */
105	#define SBSDIO_SBADDRHIGH_MASK 0xffU /* Valid bits in SBADDRHIGH */
106	/* Address bits from SBADDR regs */
107	#define SBSDIO_SBWINDOW_MASK 0xffff8000
108
109	#define SDIOH_READ 0 /* Read request */
110	#define SDIOH_WRITE 1 /* Write request */
111
112	#define SDIOH_DATA_FIX 0 /* Fixed addressing */
113	#define SDIOH_DATA_INC 1 /* Incremental addressing */
114
115	/* internal return code */
116	#define SUCCESS 0
117	#define ERROR 1
118
119	struct brcmf_sdreg {
120	int func;
121	int offset;
122	int value;
123	};
124
2447ffb0 FL	125	struct brcmf_sdio;
2447ffb0 FL	126
5b435de0 AS	127	struct brcmf_sdio_dev {
	128	struct sdio_func *func[SDIO_MAX_FUNCS];
	129	u8 num_funcs; /* Supported funcs on client */
	130	u32 func_cis_ptr[SDIOD_MAX_IOFUNCS];
	131	u32 sbwad; /* Save backplane window address */
	132	bool regfail; /* status of last reg_r/w call */
	133	void *bus;
	134	atomic_t suspend; /* suspend flag */
	135	wait_queue_head_t request_byte_wait;
	136	wait_queue_head_t request_word_wait;
a52dd17d	137	wait_queue_head_t request_chain_wait;
5b435de0	138	wait_queue_head_t request_buffer_wait;
655713be	139	struct device *dev;
d76d1c8c	140	struct brcmf_bus *bus_if;
5b435de0 AS	141	};
	142
	143	/* Register/deregister device interrupt handler. */
	144	extern int
	145	brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev);
	146
	147	extern int brcmf_sdcard_intr_dereg(struct brcmf_sdio_dev *sdiodev);
	148
	149	/* Access SDIO address space (e.g. CCCR) using CMD52 (single-byte interface).
	150	* fn: function number
	151	* addr: unmodified SDIO-space address
	152	* data: data byte to write
	153	* err: pointer to error code (or NULL)
	154	*/
	155	extern u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_dev *sdiodev, uint func,
	156	u32 addr, int *err);
	157	extern void brcmf_sdcard_cfg_write(struct brcmf_sdio_dev *sdiodev, uint func,
	158	u32 addr, u8 data, int *err);
	159
	160	/* Synchronous access to device (client) core registers via CMD53 to F1.
	161	* addr: backplane address (i.e. >= regsva from attach)
	162	* size: register width in bytes (2 or 4)
	163	* data: data for register write
	164	*/
	165	extern u32
	166	brcmf_sdcard_reg_read(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size);
	167
	168	extern u32
	169	brcmf_sdcard_reg_write(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size,
	170	u32 data);
	171
	172	/* Indicate if last reg read/write failed */
	173	extern bool brcmf_sdcard_regfail(struct brcmf_sdio_dev *sdiodev);
	174
	175	/* Buffer transfer to/from device (client) core via cmd53.
	176	* fn: function number
	177	* addr: backplane address (i.e. >= regsva from attach)
	178	* flags: backplane width, address increment, sync/async
	179	* buf: pointer to memory data buffer
	180	* nbytes: number of bytes to transfer to/from buf
	181	* pkt: pointer to packet associated with buf (if any)
	182	* complete: callback function for command completion (async only)
	183	* handle: handle for completion callback (first arg in callback)
	184	* Returns 0 or error code.
	185	* NOTE: Async operation is not currently supported.
	186	*/
	187	extern int
5adfeb63 AS	188	brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
	189	uint flags, struct sk_buff *pkt);
	190	extern int
5b435de0	191	brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
5adfeb63 AS	192	uint flags, u8 *buf, uint nbytes);
	193
	194	extern int
	195	brcmf_sdcard_recv_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
	196	uint flags, struct sk_buff *pkt);
5b435de0 AS	197	extern int
5b435de0 AS	198	brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
5adfeb63 AS	199	uint flags, u8 *buf, uint nbytes);
	200	extern int
	201	brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
	202	uint flags, struct sk_buff_head *pktq);
5b435de0 AS	203
	204	/* Flags bits */
	205
	206	/* Four-byte target (backplane) width (vs. two-byte) */
	207	#define SDIO_REQ_4BYTE 0x1
	208	/* Fixed address (FIFO) (vs. incrementing address) */
	209	#define SDIO_REQ_FIXED 0x2
	210	/* Async request (vs. sync request) */
	211	#define SDIO_REQ_ASYNC 0x4
	212
	213	/* Read/write to memory block (F1, no FIFO) via CMD53 (sync only).
	214	* rw: read or write (0/1)
	215	* addr: direct SDIO address
	216	* buf: pointer to memory data buffer
	217	* nbytes: number of bytes to transfer to/from buf
	218	* Returns 0 or error code.
	219	*/
	220	extern int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw,
	221	u32 addr, u8 *buf, uint nbytes);
	222
	223	/* Issue an abort to the specified function */
	224	extern int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn);
	225
	226	/* platform specific/high level functions */
	227	extern int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev);
	228	extern int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev);
	229
	230	extern int brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev,
	231	u32 address);
	232
	233	/* attach, return handler on success, NULL if failed.
	234	* The handler shall be provided by all subsequent calls. No local cache
	235	* cfghdl points to the starting address of pci device mapped memory
	236	*/
	237	extern int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev);
	238	extern void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev);
	239
	240	/* read or write one byte using cmd52 */
	241	extern int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw,
	242	uint fnc, uint addr, u8 *byte);
	243
	244	/* read or write 2/4 bytes using cmd53 */
	245	extern int
	246	brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
	247	uint rw, uint fnc, uint addr,
	248	u32 *word, uint nbyte);
	249
	250	/* read or write any buffer using cmd53 */
	251	extern int
	252	brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev,
5e8e13b9	253	uint fix_inc, uint rw, uint fnc_num, u32 addr,
4c6e869d	254	struct sk_buff *pkt);
5adfeb63 AS	255	extern int
	256	brcmf_sdioh_request_chain(struct brcmf_sdio_dev *sdiodev, uint fix_inc,
	257	uint write, uint func, uint addr,
	258	struct sk_buff_head *pktq);
5b435de0 AS	259
	260	/* Watchdog timer interface for pm ops */
	261	extern void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev,
	262	bool enable);
	263
4175b88b	264	extern void brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev sdiodev);
5b435de0 AS	265	extern void brcmf_sdbrcm_disconnect(void *ptr);
5b435de0 AS	266	extern void brcmf_sdbrcm_isr(void *arg);
2447ffb0 FL	267
2447ffb0 FL	268	extern void brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick);
5b435de0	269	#endif /* _BRCM_SDH_H_ */