/drivers/staging/brcm80211/brcmsmac/mac80211_if.h

  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 _BRCM_MAC80211_IF_H_
 18#define _BRCM_MAC80211_IF_H_
 19
 20#include <linux/timer.h>
 21#include <linux/interrupt.h>
 22
 23/*
 24 * Starting index for 5G rates in the
 25 * legacy rate table.
 26 */
 27#define BRCMS_LEGACY_5G_RATE_OFFSET	4
 28
 29/* softmac ioctl definitions */
 30#define BRCMS_SET_SHORTSLOT_OVERRIDE		146
 31
 32
 33/* BMAC Note: High-only driver is no longer working in softirq context as it needs to block and
 34 * sleep so perimeter lock has to be a semaphore instead of spinlock. This requires timers to be
 35 * submitted to workqueue instead of being on kernel timer
 36 */
 37struct brcms_timer {
 38	struct timer_list timer;
 39	struct brcms_info *wl;
 40	void (*fn) (void *);
 41	void *arg;		/* argument to fn */
 42	uint ms;
 43	bool periodic;
 44	bool set;
 45	struct brcms_timer *next;
 46#ifdef BCMDBG
 47	char *name;		/* Description of the timer */
 48#endif
 49};
 50
 51struct brcms_if {
 52	uint subunit;		/* WDS/BSS unit */
 53	struct pci_dev *pci_dev;
 54};
 55
 56#define MAX_FW_IMAGES		4
 57struct brcms_firmware {
 58	u32 fw_cnt;
 59	const struct firmware *fw_bin[MAX_FW_IMAGES];
 60	const struct firmware *fw_hdr[MAX_FW_IMAGES];
 61	u32 hdr_num_entries[MAX_FW_IMAGES];
 62};
 63
 64struct brcms_info {
 65	struct brcms_pub *pub;		/* pointer to public wlc state */
 66	void *wlc;		/* pointer to private common os-independent data */
 67	u32 magic;
 68
 69	int irq;
 70
 71	spinlock_t lock;	/* per-device perimeter lock */
 72	spinlock_t isr_lock;	/* per-device ISR synchronization lock */
 73
 74	/* bus type and regsva for unmap in brcms_free() */
 75	uint bcm_bustype;	/* bus type */
 76	void *regsva;		/* opaque chip registers virtual address */
 77
 78	/* timer related fields */
 79	atomic_t callbacks;	/* # outstanding callback functions */
 80	struct brcms_timer *timers;	/* timer cleanup queue */
 81
 82	struct tasklet_struct tasklet;	/* dpc tasklet */
 83	bool resched;		/* dpc needs to be and is rescheduled */
 84#ifdef LINUXSTA_PS
 85	u32 pci_psstate[16];	/* pci ps-state save/restore */
 86#endif
 87	struct brcms_firmware fw;
 88	struct wiphy *wiphy;
 89};
 90
 91/* misc callbacks */
 92extern void brcms_init(struct brcms_info *wl);
 93extern uint brcms_reset(struct brcms_info *wl);
 94extern void brcms_intrson(struct brcms_info *wl);
 95extern u32 brcms_intrsoff(struct brcms_info *wl);
 96extern void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask);
 97extern int brcms_up(struct brcms_info *wl);
 98extern void brcms_down(struct brcms_info *wl);
 99extern void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
100				bool state, int prio);
101extern bool wl_alloc_dma_resources(struct brcms_info *wl, uint dmaddrwidth);
102extern bool brcms_rfkill_set_hw_state(struct brcms_info *wl);
103
104/* timer functions */
105extern struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
106				      void (*fn) (void *arg), void *arg,
107				      const char *name);
108extern void brcms_free_timer(struct brcms_info *wl, struct brcms_timer *timer);
109extern void brcms_add_timer(struct brcms_info *wl, struct brcms_timer *timer,
110			    uint ms, int periodic);
111extern bool brcms_del_timer(struct brcms_info *wl, struct brcms_timer *timer);
112extern void brcms_msleep(struct brcms_info *wl, uint ms);
113
114#endif				/* _BRCM_MAC80211_IF_H_ */