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.
17 #ifndef _wl_mac80211_h_
18 #define _wl_mac80211_h_
20 #include <wlc_types.h>
22 /* BMAC Note: High-only driver is no longer working in softirq context as it needs to block and
23 * sleep so perimeter lock has to be a semaphore instead of spinlock. This requires timers to be
24 * submitted to workqueue instead of being on kernel timer
26 typedef struct wl_timer {
27 struct timer_list timer;
30 void *arg; /* argument to fn */
34 struct wl_timer *next;
36 char *name; /* Description of the timer */
40 /* contortion to call functions at safe time */
41 /* In 2.6.20 kernels work functions get passed a pointer to the struct work, so things
42 * will continue to work as long as the work structure is the first component of the task structure.
44 typedef struct wl_task {
45 struct work_struct work;
50 uint subunit; /* WDS/BSS unit */
51 struct pci_dev *pci_dev;
57 const struct firmware *fw_bin[WL_MAX_FW];
58 const struct firmware *fw_hdr[WL_MAX_FW];
59 u32 hdr_num_entries[WL_MAX_FW];
63 struct wlc_pub *pub; /* pointer to public wlc state */
64 void *wlc; /* pointer to private common os-independent data */
65 struct osl_info *osh; /* pointer to os handler */
70 spinlock_t lock; /* per-device perimeter lock */
71 spinlock_t isr_lock; /* per-device ISR synchronization lock */
72 uint bcm_bustype; /* bus type */
73 bool piomode; /* set from insmod argument */
74 void *regsva; /* opaque chip registers virtual address */
75 atomic_t callbacks; /* # outstanding callback functions */
76 struct wl_timer *timers; /* timer cleanup queue */
77 struct tasklet_struct tasklet; /* dpc tasklet */
78 bool resched; /* dpc needs to be and is rescheduled */
80 u32 pci_psstate[16]; /* pci ps-state save/restore */
82 /* RPC, handle, lock, txq, workitem */
83 uint stats_id; /* the current set of stats */
84 /* ping-pong stats counters updated by Linux watchdog */
85 struct net_device_stats stats_watchdog[2];
86 struct wl_firmware fw;
89 #define WL_LOCK(wl) spin_lock_bh(&(wl)->lock)
90 #define WL_UNLOCK(wl) spin_unlock_bh(&(wl)->lock)
92 /* locking from inside wl_isr */
93 #define WL_ISRLOCK(wl, flags) do {spin_lock(&(wl)->isr_lock); (void)(flags); } while (0)
94 #define WL_ISRUNLOCK(wl, flags) do {spin_unlock(&(wl)->isr_lock); (void)(flags); } while (0)
96 /* locking under WL_LOCK() to synchronize with wl_isr */
97 #define INT_LOCK(wl, flags) spin_lock_irqsave(&(wl)->isr_lock, flags)
98 #define INT_UNLOCK(wl, flags) spin_unlock_irqrestore(&(wl)->isr_lock, flags)
108 /* exported functions */
110 extern irqreturn_t wl_isr(int irq, void *dev_id);
112 extern int __devinit wl_pci_probe(struct pci_dev *pdev,
113 const struct pci_device_id *ent);
114 extern void wl_free(struct wl_info *wl);
115 extern int wl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
117 #endif /* _wl_mac80211_h_ */