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/*
* 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 _dhd_bus_h_
#define _dhd_bus_h_
/*
* Exported from dhd bus module (dhd_usb, dhd_sdio)
*/
/* Indicate (dis)interest in finding dongles. */
extern int dhd_bus_register(void);
extern void dhd_bus_unregister(void);
/* Download firmware image and nvram image */
extern bool dhd_bus_download_firmware(struct dhd_bus *bus,
char *fw_path, char *nv_path);
/* Stop bus module: clear pending frames, disable data flow */
extern void dhd_bus_stop(struct dhd_bus *bus, bool enforce_mutex);
/* Initialize bus module: prepare for communication w/dongle */
extern int dhd_bus_init(dhd_pub_t *dhdp, bool enforce_mutex);
/* Send a data frame to the dongle. Callee disposes of txp. */
extern int dhd_bus_txdata(struct dhd_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 dhd_bus_txctl(struct dhd_bus *bus, unsigned char *msg, uint msglen);
extern int dhd_bus_rxctl(struct dhd_bus *bus, unsigned char *msg, uint msglen);
/* Watchdog timer function */
extern bool dhd_bus_watchdog(dhd_pub_t *dhd);
#ifdef DHD_DEBUG
/* Device console input function */
extern int dhd_bus_console_in(dhd_pub_t *dhd, unsigned char *msg, uint msglen);
#endif /* DHD_DEBUG */
/* Deferred processing for the bus, return true requests reschedule */
extern bool dhd_bus_dpc(struct dhd_bus *bus);
extern void dhd_bus_isr(bool *InterruptRecognized,
bool *QueueMiniportHandleInterrupt, void *arg);
/* Check for and handle local prot-specific iovar commands */
extern int dhd_bus_iovar_op(dhd_pub_t *dhdp, const char *name,
void *params, int plen, void *arg, int len,
bool set);
/* Add bus dump output to a buffer */
extern void dhd_bus_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf);
/* Clear any bus counters */
extern void dhd_bus_clearcounts(dhd_pub_t *dhdp);
/* return the dongle chipid */
extern uint dhd_bus_chip(struct dhd_bus *bus);
/* Set user-specified nvram parameters. */
extern void dhd_bus_set_nvram_params(struct dhd_bus *bus,
const char *nvram_params);
extern void *dhd_bus_pub(struct dhd_bus *bus);
extern void *dhd_bus_txq(struct dhd_bus *bus);
extern uint dhd_bus_hdrlen(struct dhd_bus *bus);
#endif /* _dhd_bus_h_ */
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