diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmsmac/wl_mac80211.h')
| -rw-r--r-- | drivers/staging/brcm80211/brcmsmac/wl_mac80211.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/brcmsmac/wl_mac80211.h b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.h new file mode 100644 index 000000000000..f3198ccd5f58 --- /dev/null +++ b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.h @@ -0,0 +1,88 @@ +/* + * 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 _wl_mac80211_h_ +#define _wl_mac80211_h_ + +/* BMAC Note: High-only driver is no longer working in softirq context as it needs to block and + * sleep so perimeter lock has to be a semaphore instead of spinlock. This requires timers to be + * submitted to workqueue instead of being on kernel timer + */ +struct wl_timer { + struct timer_list timer; + struct wl_info *wl; + void (*fn) (void *); + void *arg; /* argument to fn */ + uint ms; + bool periodic; + bool set; + struct wl_timer *next; +#ifdef BCMDBG + char *name; /* Description of the timer */ +#endif +}; + +struct wl_if { + uint subunit; /* WDS/BSS unit */ + struct pci_dev *pci_dev; +}; + +#define WL_MAX_FW 4 +struct wl_firmware { + u32 fw_cnt; + const struct firmware *fw_bin[WL_MAX_FW]; + const struct firmware *fw_hdr[WL_MAX_FW]; + u32 hdr_num_entries[WL_MAX_FW]; +}; + +struct wl_info { + struct wlc_pub *pub; /* pointer to public wlc state */ + void *wlc; /* pointer to private common os-independent data */ + u32 magic; + + int irq; + + spinlock_t lock; /* per-device perimeter lock */ + spinlock_t isr_lock; /* per-device ISR synchronization lock */ + uint bcm_bustype; /* bus type */ + bool piomode; /* set from insmod argument */ + void *regsva; /* opaque chip registers virtual address */ + atomic_t callbacks; /* # outstanding callback functions */ + struct wl_timer *timers; /* timer cleanup queue */ + struct tasklet_struct tasklet; /* dpc tasklet */ + bool resched; /* dpc needs to be and is rescheduled */ +#ifdef LINUXSTA_PS + u32 pci_psstate[16]; /* pci ps-state save/restore */ +#endif + /* RPC, handle, lock, txq, workitem */ + uint stats_id; /* the current set of stats */ + /* ping-pong stats counters updated by Linux watchdog */ + struct net_device_stats stats_watchdog[2]; + struct wl_firmware fw; +}; + +#define WL_LOCK(wl) spin_lock_bh(&(wl)->lock) +#define WL_UNLOCK(wl) spin_unlock_bh(&(wl)->lock) + +/* locking from inside wl_isr */ +#define WL_ISRLOCK(wl, flags) do {spin_lock(&(wl)->isr_lock); (void)(flags); } while (0) +#define WL_ISRUNLOCK(wl, flags) do {spin_unlock(&(wl)->isr_lock); (void)(flags); } while (0) + +/* locking under WL_LOCK() to synchronize with wl_isr */ +#define INT_LOCK(wl, flags) spin_lock_irqsave(&(wl)->isr_lock, flags) +#define INT_UNLOCK(wl, flags) spin_unlock_irqrestore(&(wl)->isr_lock, flags) + +#endif /* _wl_mac80211_h_ */ |