[deliverable/linux.git] / drivers / staging / brcm80211 / brcmfmac / dhd_bus.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 _BRCMF_BUS_H_
#define _BRCMF_BUS_H_

/* Packet alignment for most efficient SDIO (can change based on platform) */
#ifndef BRCMF_SDALIGN
#define BRCMF_SDALIGN	32
#endif
#if !ISPOWEROF2(BRCMF_SDALIGN)
#error BRCMF_SDALIGN is not a power of 2!
#endif

/*
 * Exported from brcmf bus module (brcmf_usb, brcmf_sdio)
 */

/* Watchdog timer interval */
extern uint brcmf_watchdog_ms;

/* Indicate (dis)interest in finding dongles. */
extern int brcmf_bus_register(void);
extern void brcmf_bus_unregister(void);

/* Stop bus module: clear pending frames, disable data flow */
extern void brcmf_sdbrcm_bus_stop(struct brcmf_bus *bus, bool enforce_mutex);

/* Initialize bus module: prepare for communication w/dongle */
extern int brcmf_sdbrcm_bus_init(struct brcmf_pub *drvr, bool enforce_mutex);

/* Send a data frame to the dongle.  Callee disposes of txp. */
extern int brcmf_sdbrcm_bus_txdata(struct brcmf_bus *bus, struct sk_buff *txp);

/* Send/receive a control message to/from the dongle.
 * Expects caller to enforce a single outstanding transaction.
 */
extern int
brcmf_sdbrcm_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint msglen);

extern int
brcmf_sdbrcm_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint msglen);

/* Check for and handle local prot-specific iovar commands */
extern int brcmf_sdbrcm_bus_iovar_op(struct brcmf_pub *drvr, const char *name,
			    void *params, int plen, void *arg, int len,
			    bool set);

/* Add bus dump output to a buffer */
extern void brcmf_sdbrcm_bus_dump(struct brcmf_pub *drvr,
				  struct brcmu_strbuf *strbuf);

/* Clear any bus counters */
extern void brcmf_bus_clearcounts(struct brcmf_pub *drvr);

extern void brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick);

#endif				/* _BRCMF_BUS_H_ */
Commit	Line	Data
	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 _BRCMF_BUS_H_
	18	#define _BRCMF_BUS_H_
	19
	20	/* Packet alignment for most efficient SDIO (can change based on platform) */
	21	#ifndef BRCMF_SDALIGN
	22	#define BRCMF_SDALIGN 32
	23	#endif
	24	#if !ISPOWEROF2(BRCMF_SDALIGN)
	25	#error BRCMF_SDALIGN is not a power of 2!
	26	#endif
	27
	28	/*
	29	* Exported from brcmf bus module (brcmf_usb, brcmf_sdio)
	30	*/
	31
	32	/* Watchdog timer interval */
	33	extern uint brcmf_watchdog_ms;
	34
	35	/* Indicate (dis)interest in finding dongles. */
	36	extern int brcmf_bus_register(void);
	37	extern void brcmf_bus_unregister(void);
	38
	39	/* Stop bus module: clear pending frames, disable data flow */
	40	extern void brcmf_sdbrcm_bus_stop(struct brcmf_bus *bus, bool enforce_mutex);
	41
	42	/* Initialize bus module: prepare for communication w/dongle */
	43	extern int brcmf_sdbrcm_bus_init(struct brcmf_pub *drvr, bool enforce_mutex);
	44
	45	/* Send a data frame to the dongle. Callee disposes of txp. */
	46	extern int brcmf_sdbrcm_bus_txdata(struct brcmf_bus bus, struct sk_buff txp);
	47
	48	/* Send/receive a control message to/from the dongle.
	49	* Expects caller to enforce a single outstanding transaction.
	50	*/
	51	extern int
	52	brcmf_sdbrcm_bus_txctl(struct brcmf_bus bus, unsigned char msg, uint msglen);
	53
	54	extern int
	55	brcmf_sdbrcm_bus_rxctl(struct brcmf_bus bus, unsigned char msg, uint msglen);
	56
	57	/* Check for and handle local prot-specific iovar commands */
	58	extern int brcmf_sdbrcm_bus_iovar_op(struct brcmf_pub drvr, const char name,
	59	void params, int plen, void arg, int len,
	60	bool set);
	61
	62	/* Add bus dump output to a buffer */
	63	extern void brcmf_sdbrcm_bus_dump(struct brcmf_pub *drvr,
	64	struct brcmu_strbuf *strbuf);
	65
	66	/* Clear any bus counters */
	67	extern void brcmf_bus_clearcounts(struct brcmf_pub *drvr);
	68
	69	extern void brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick);
	70
	71	#endif /* _BRCMF_BUS_H_ */