drivers/net/wireless/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 #include <linux/workqueue.h>
  23
  24 #include "ucode_loader.h"
  25 /*
  26  * Starting index for 5G rates in the
  27  * legacy rate table.
  28  */
  29 #define BRCMS_LEGACY_5G_RATE_OFFSET     4
  30
  31 /* softmac ioctl definitions */
  32 #define BRCMS_SET_SHORTSLOT_OVERRIDE            146
  33
  34 struct brcms_timer {
  35         struct delayed_work dly_wrk;
  36         struct brcms_info *wl;
  37         void (*fn) (void *);    /* function called upon expiration */
  38         void *arg;              /* fixed argument provided to called function */
  39         uint ms;
  40         bool periodic;
  41         bool set;               /* indicates if timer is active */
  42         struct brcms_timer *next;       /* for freeing on unload */
  43 #ifdef BCMDBG
  44         char *name;             /* Description of the timer */
  45 #endif
  46 };
  47
  48 struct brcms_if {
  49         uint subunit;           /* WDS/BSS unit */
  50         struct pci_dev *pci_dev;
  51 };
  52
  53 #define MAX_FW_IMAGES           4
  54 struct brcms_firmware {
  55         u32 fw_cnt;
  56         const struct firmware *fw_bin[MAX_FW_IMAGES];
  57         const struct firmware *fw_hdr[MAX_FW_IMAGES];
  58         u32 hdr_num_entries[MAX_FW_IMAGES];
  59 };
  60
  61 struct brcms_info {
  62         struct brcms_pub *pub;          /* pointer to public wlc state */
  63         struct brcms_c_info *wlc;       /* pointer to private common data */
  64         u32 magic;
  65
  66         int irq;
  67
  68         spinlock_t lock;        /* per-device perimeter lock */
  69         spinlock_t isr_lock;    /* per-device ISR synchronization lock */
  70
  71
  72         /* timer related fields */
  73         atomic_t callbacks;     /* # outstanding callback functions */
  74         struct brcms_timer *timers;     /* timer cleanup queue */
  75
  76         struct tasklet_struct tasklet;  /* dpc tasklet */
  77         bool resched;           /* dpc needs to be and is rescheduled */
  78         struct brcms_firmware fw;
  79         struct wiphy *wiphy;
  80         struct brcms_ucode ucode;
  81         bool mute_tx;
  82 };
  83
  84 /* misc callbacks */
  85 extern void brcms_init(struct brcms_info *wl);
  86 extern uint brcms_reset(struct brcms_info *wl);
  87 extern void brcms_intrson(struct brcms_info *wl);
  88 extern u32 brcms_intrsoff(struct brcms_info *wl);
  89 extern void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask);
  90 extern int brcms_up(struct brcms_info *wl);
  91 extern void brcms_down(struct brcms_info *wl);
  92 extern void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
  93                                 bool state, int prio);
  94 extern bool brcms_rfkill_set_hw_state(struct brcms_info *wl);
  95
  96 /* timer functions */
  97 extern struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
  98                                       void (*fn) (void *arg), void *arg,
  99                                       const char *name);
 100 extern void brcms_free_timer(struct brcms_timer *timer);
 101 extern void brcms_add_timer(struct brcms_timer *timer, uint ms, int periodic);
 102 extern bool brcms_del_timer(struct brcms_timer *timer);
 103 extern void brcms_msleep(struct brcms_info *wl, uint ms);
 104 extern void brcms_dpc(unsigned long data);
 105 extern void brcms_timer(struct brcms_timer *t);
 106 extern void brcms_fatal_error(struct brcms_info *wl);
 107
 108 #endif                          /* _BRCM_MAC80211_IF_H_ */