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 /* softmac ioctl definitions */
  24 #define BRCMS_SET_SHORTSLOT_OVERRIDE            146
  25
  26 struct brcms_timer {
  27         struct timer_list timer;
  28         struct brcms_info *wl;
  29         void (*fn) (void *);
  30         void *arg;              /* argument to fn */
  31         uint ms;
  32         bool periodic;
  33         bool set;
  34         struct brcms_timer *next;
  35 #ifdef BCMDBG
  36         char *name;             /* Description of the timer */
  37 #endif
  38 };
  39
  40 struct brcms_if {
  41         uint subunit;           /* WDS/BSS unit */
  42         struct pci_dev *pci_dev;
  43 };
  44
  45 #define MAX_FW_IMAGES           4
  46 struct brcms_firmware {
  47         u32 fw_cnt;
  48         const struct firmware *fw_bin[MAX_FW_IMAGES];
  49         const struct firmware *fw_hdr[MAX_FW_IMAGES];
  50         u32 hdr_num_entries[MAX_FW_IMAGES];
  51 };
  52
  53 struct brcms_info {
  54         struct brcms_pub *pub;  /* pointer to public wlc state */
  55         void *wlc;              /* pointer to private common data */
  56         u32 magic;
  57
  58         int irq;
  59
  60         spinlock_t lock;        /* per-device perimeter lock */
  61         spinlock_t isr_lock;    /* per-device ISR synchronization lock */
  62
  63         /* regsva for unmap in brcms_free() */
  64         void *regsva;           /* opaque chip registers virtual address */
  65
  66         /* timer related fields */
  67         atomic_t callbacks;     /* # outstanding callback functions */
  68         struct brcms_timer *timers;     /* timer cleanup queue */
  69
  70         struct tasklet_struct tasklet;  /* dpc tasklet */
  71         bool resched;           /* dpc needs to be and is rescheduled */
  72 #ifdef LINUXSTA_PS
  73         u32 pci_psstate[16];    /* pci ps-state save/restore */
  74 #endif
  75         struct brcms_firmware fw;
  76         struct wiphy *wiphy;
  77 };
  78
  79 /* misc callbacks */
  80 extern void brcms_init(struct brcms_info *wl);
  81 extern uint brcms_reset(struct brcms_info *wl);
  82 extern void brcms_intrson(struct brcms_info *wl);
  83 extern u32 brcms_intrsoff(struct brcms_info *wl);
  84 extern void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask);
  85 extern int brcms_up(struct brcms_info *wl);
  86 extern void brcms_down(struct brcms_info *wl);
  87 extern void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
  88                                 bool state, int prio);
  89 extern bool brcms_rfkill_set_hw_state(struct brcms_info *wl);
  90
  91 /* timer functions */
  92 extern struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
  93                                       void (*fn) (void *arg), void *arg,
  94                                       const char *name);
  95 extern void brcms_free_timer(struct brcms_info *wl, struct brcms_timer *timer);
  96 extern void brcms_add_timer(struct brcms_info *wl, struct brcms_timer *timer,
  97                             uint ms, int periodic);
  98 extern bool brcms_del_timer(struct brcms_info *wl, struct brcms_timer *timer);
  99 extern void brcms_msleep(struct brcms_info *wl, uint ms);
 100
 101 #endif                          /* _BRCM_MAC80211_IF_H_ */