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/*
* Header file describing the internal (inter-module) DHD interfaces.
*
* Provides type definitions and function prototypes used to link the
* DHD OS, bus, and protocol modules.
*
* Copyright (C) 1999-2012, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: dhd_bus.h 335569 2012-05-29 12:04:43Z $
*/
#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, osl_t *osh,
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);
/* Get the Bus Idle Time */
extern void dhd_bus_getidletime(dhd_pub_t *dhdp, int *idletime);
/* Set the Bus Idle Time */
extern void dhd_bus_setidletime(dhd_pub_t *dhdp, int idle_time);
/* Send a data frame to the dongle. Callee disposes of txp. */
extern int dhd_bus_txdata(struct dhd_bus *bus, void *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, uchar *msg, uint msglen);
extern int dhd_bus_rxctl(struct dhd_bus *bus, uchar *msg, uint msglen);
/* Watchdog timer function */
extern bool dhd_bus_watchdog(dhd_pub_t *dhd);
extern void dhd_disable_intr(dhd_pub_t *dhd);
#if defined(DHD_DEBUG)
/* Device console input function */
extern int dhd_bus_console_in(dhd_pub_t *dhd, uchar *msg, uint msglen);
#endif /* defined(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);
#define DHD_SET_BUS_STATE_DOWN(_bus) do { \
(_bus)->dhd->busstate = DHD_BUS_DOWN; \
} while (0)
/* Register a dummy SDIO client driver in order to be notified of new SDIO device */
extern int dhd_bus_reg_sdio_notify(void* semaphore);
extern void dhd_bus_unreg_sdio_notify(void);
extern void dhd_txglom_enable(dhd_pub_t *dhdp, bool enable);
#endif /* _dhd_bus_h_ */
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