dhd_bus.h 1.81 KB
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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 _BRCMF_BUS_H_
#define _BRCMF_BUS_H_

/* Packet alignment for most efficient SDIO (can change based on platform) */
#define BRCMF_SDALIGN	(1 << 6)

/* watchdog polling interval in ms */
#define BRCMF_WD_POLL_MS	10

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

/* Stop bus module: clear pending frames, disable data flow */
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extern void brcmf_sdbrcm_bus_stop(struct device *dev);
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/* Initialize bus module: prepare for communication w/dongle */
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extern int brcmf_sdbrcm_bus_init(struct device *dev);
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/* Send a data frame to the dongle.  Callee disposes of txp. */
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extern int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *txp);
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/* Send/receive a control message to/from the dongle.
 * Expects caller to enforce a single outstanding transaction.
 */
extern int
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brcmf_sdbrcm_bus_txctl(struct device *dev, unsigned char *msg, uint msglen);
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extern int
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brcmf_sdbrcm_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen);
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extern void brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick);
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#endif				/* _BRCMF_BUS_H_ */