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/*
* 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
struct wl_firmware fw;
struct wiphy *wiphy;
};
#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_ */
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