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 _wl_mac80211_h_ 18 #define _wl_mac80211_h_ 19 20 /* BMAC Note: High-only driver is no longer working in softirq context as it needs to block and 21 * sleep so perimeter lock has to be a semaphore instead of spinlock. This requires timers to be 22 * submitted to workqueue instead of being on kernel timer 23 */ 24 struct wl_timer { 25 struct timer_list timer; 26 struct wl_info *wl; 27 void (*fn) (void *); 28 void *arg; /* argument to fn */ 29 uint ms; 30 bool periodic; 31 bool set; 32 struct wl_timer *next; 33 #ifdef BCMDBG 34 char *name; /* Description of the timer */ 35 #endif 36 }; 37 38 struct wl_if { 39 uint subunit; /* WDS/BSS unit */ 40 struct pci_dev *pci_dev; 41 }; 42 43 #define WL_MAX_FW 4 44 struct wl_firmware { 45 u32 fw_cnt; 46 const struct firmware *fw_bin[WL_MAX_FW]; 47 const struct firmware *fw_hdr[WL_MAX_FW]; 48 u32 hdr_num_entries[WL_MAX_FW]; 49 }; 50 51 struct wl_info { 52 struct wlc_pub *pub; /* pointer to public wlc state */ 53 void *wlc; /* pointer to private common os-independent data */ 54 u32 magic; 55 56 int irq; 57 58 spinlock_t lock; /* per-device perimeter lock */ 59 spinlock_t isr_lock; /* per-device ISR synchronization lock */ 60 uint bcm_bustype; /* bus type */ 61 bool piomode; /* set from insmod argument */ 62 void *regsva; /* opaque chip registers virtual address */ 63 atomic_t callbacks; /* # outstanding callback functions */ 64 struct wl_timer *timers; /* timer cleanup queue */ 65 struct tasklet_struct tasklet; /* dpc tasklet */ 66 bool resched; /* dpc needs to be and is rescheduled */ 67 #ifdef LINUXSTA_PS 68 u32 pci_psstate[16]; /* pci ps-state save/restore */ 69 #endif 70 /* RPC, handle, lock, txq, workitem */ 71 uint stats_id; /* the current set of stats */ 72 /* ping-pong stats counters updated by Linux watchdog */ 73 struct net_device_stats stats_watchdog[2]; 74 struct wl_firmware fw; 75 }; 76 77 #define WL_LOCK(wl) spin_lock_bh(&(wl)->lock) 78 #define WL_UNLOCK(wl) spin_unlock_bh(&(wl)->lock) 79 80 /* locking from inside wl_isr */ 81 #define WL_ISRLOCK(wl, flags) do {spin_lock(&(wl)->isr_lock); (void)(flags); } while (0) 82 #define WL_ISRUNLOCK(wl, flags) do {spin_unlock(&(wl)->isr_lock); (void)(flags); } while (0) 83 84 /* locking under WL_LOCK() to synchronize with wl_isr */ 85 #define INT_LOCK(wl, flags) spin_lock_irqsave(&(wl)->isr_lock, flags) 86 #define INT_UNLOCK(wl, flags) spin_unlock_irqrestore(&(wl)->isr_lock, flags) 87 88 #endif /* _wl_mac80211_h_ */ 89