2 * Copyright (c) 2010 Broadcom Corporation
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.
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.
20 /* Packet alignment for most efficient SDIO (can change based on platform) */
22 #define BRCMF_SDALIGN 32
24 #if !ISPOWEROF2(BRCMF_SDALIGN)
25 #error BRCMF_SDALIGN is not a power of 2!
29 * Exported from dhd bus module (dhd_usb, dhd_sdio)
32 /* Watchdog timer interval */
33 extern uint brcmf_watchdog_ms
;
35 /* Indicate (dis)interest in finding dongles. */
36 extern int dhd_bus_register(void);
37 extern void dhd_bus_unregister(void);
39 /* Download firmware image and nvram image */
40 extern bool dhd_bus_download_firmware(struct dhd_bus
*bus
,
41 char *fw_path
, char *nv_path
);
43 /* Stop bus module: clear pending frames, disable data flow */
44 extern void brcmf_sdbrcm_bus_stop(struct dhd_bus
*bus
, bool enforce_mutex
);
46 /* Initialize bus module: prepare for communication w/dongle */
47 extern int brcmf_sdbrcm_bus_init(dhd_pub_t
*dhdp
, bool enforce_mutex
);
49 /* Send a data frame to the dongle. Callee disposes of txp. */
50 extern int brcmf_sdbrcm_bus_txdata(struct dhd_bus
*bus
, struct sk_buff
*txp
);
52 /* Send/receive a control message to/from the dongle.
53 * Expects caller to enforce a single outstanding transaction.
56 brcmf_sdbrcm_bus_txctl(struct dhd_bus
*bus
, unsigned char *msg
, uint msglen
);
59 brcmf_sdbrcm_bus_rxctl(struct dhd_bus
*bus
, unsigned char *msg
, uint msglen
);
62 /* Device console input function */
64 brcmf_sdbrcm_bus_console_in(dhd_pub_t
*dhd
, unsigned char *msg
, uint msglen
);
67 /* Deferred processing for the bus, return true requests reschedule */
68 extern bool dhd_bus_dpc(struct dhd_bus
*bus
);
69 extern void dhd_bus_isr(bool *InterruptRecognized
,
70 bool *QueueMiniportHandleInterrupt
, void *arg
);
72 /* Check for and handle local prot-specific iovar commands */
73 extern int brcmf_sdbrcm_bus_iovar_op(dhd_pub_t
*dhdp
, const char *name
,
74 void *params
, int plen
, void *arg
, int len
,
77 /* Add bus dump output to a buffer */
78 extern void brcmf_sdbrcm_bus_dump(dhd_pub_t
*dhdp
, struct brcmu_strbuf
*strbuf
);
80 /* Clear any bus counters */
81 extern void dhd_bus_clearcounts(dhd_pub_t
*dhdp
);
83 /* return the dongle chipid */
84 extern uint
dhd_bus_chip(struct dhd_bus
*bus
);
86 /* Set user-specified nvram parameters. */
87 extern void dhd_bus_set_nvram_params(struct dhd_bus
*bus
,
88 const char *nvram_params
);
90 extern void *dhd_bus_pub(struct dhd_bus
*bus
);
91 extern void *dhd_bus_txq(struct dhd_bus
*bus
);
92 extern uint
dhd_bus_hdrlen(struct dhd_bus
*bus
);
94 extern void brcmf_sdbrcm_wd_timer(struct dhd_bus
*bus
, uint wdtick
);
96 #endif /* _dhd_bus_h_ */