dhd_bus.h revision c0a7962ae72c9ebf42f623719a46c8f472f44067 
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#define BRCMF_SDALIGN	(1 << 6)
22
23/* watchdog polling interval in ms */
24#define BRCMF_WD_POLL_MS	10
25
26/*
27 * Exported from brcmf bus module (brcmf_usb, brcmf_sdio)
28 */
29
30/* Stop bus module: clear pending frames, disable data flow */
31extern void brcmf_sdbrcm_bus_stop(struct brcmf_sdio *bus);
32
33/* Initialize bus module: prepare for communication w/dongle */
34extern int brcmf_sdbrcm_bus_init(struct device *dev);
35
36/* Send a data frame to the dongle.  Callee disposes of txp. */
37extern int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *txp);
38
39/* Send/receive a control message to/from the dongle.
40 * Expects caller to enforce a single outstanding transaction.
41 */
42extern int
43brcmf_sdbrcm_bus_txctl(struct device *dev, unsigned char *msg, uint msglen);
44
45extern int
46brcmf_sdbrcm_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen);
47
48extern void brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick);
49
50#endif				/* _BRCMF_BUS_H_ */
51