| /* |
| * 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) |
| */ |
| |
| /* dongle ram module parameter */ |
| extern int brcmf_dongle_memsize; |
| |
| /* Tx/Rx bounds module parameters */ |
| extern uint brcmf_txbound; |
| extern uint brcmf_rxbound; |
| |
| /* 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_ */ |