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 #include <linux/leds.h>
  24
  25 #include "ucode_loader.h"
  26 #include "led.h"
  27 /*
  28  * Starting index for 5G rates in the
  29  * legacy rate table.
  30  */
  31 #define BRCMS_LEGACY_5G_RATE_OFFSET     4
  32
  33 /* softmac ioctl definitions */
  34 #define BRCMS_SET_SHORTSLOT_OVERRIDE            146
  35
  36 struct brcms_timer {
  37         struct delayed_work dly_wrk;
  38         struct brcms_info *wl;
  39         void (*fn) (void *);    /* function called upon expiration */
  40         void *arg;              /* fixed argument provided to called function */
  41         uint ms;
  42         bool periodic;
  43         bool set;               /* indicates if timer is active */
  44         struct brcms_timer *next;       /* for freeing on unload */
  45 #ifdef DEBUG
  46         char *name;             /* Description of the timer */
  47 #endif
  48 };
  49
  50 struct brcms_if {
  51         uint subunit;           /* WDS/BSS unit */
  52         struct pci_dev *pci_dev;
  53 };
  54
  55 #define MAX_FW_IMAGES           4
  56 struct brcms_firmware {
  57         u32 fw_cnt;
  58         const struct firmware *fw_bin[MAX_FW_IMAGES];
  59         const struct firmware *fw_hdr[MAX_FW_IMAGES];
  60         u32 hdr_num_entries[MAX_FW_IMAGES];
  61 };
  62
  63 struct brcms_info {
  64         struct brcms_pub *pub;          /* pointer to public wlc state */
  65         struct brcms_c_info *wlc;       /* pointer to private common data */
  66         u32 magic;
  67
  68         int irq;
  69
  70         spinlock_t lock;        /* per-device perimeter lock */
  71         spinlock_t isr_lock;    /* per-device ISR synchronization lock */
  72
  73         /* tx flush */
  74         wait_queue_head_t tx_flush_wq;
  75
  76         /* timer related fields */
  77         atomic_t callbacks;     /* # outstanding callback functions */
  78         struct brcms_timer *timers;     /* timer cleanup queue */
  79
  80         struct tasklet_struct tasklet;  /* dpc tasklet */
  81         bool resched;           /* dpc needs to be and is rescheduled */
  82         struct brcms_firmware fw;
  83         struct wiphy *wiphy;
  84         struct brcms_ucode ucode;
  85         bool mute_tx;
  86         struct brcms_led radio_led;
  87         struct led_classdev led_dev;
  88 };
  89
  90 /* misc callbacks */
  91 extern void brcms_init(struct brcms_info *wl);
  92 extern uint brcms_reset(struct brcms_info *wl);
  93 extern void brcms_intrson(struct brcms_info *wl);
  94 extern u32 brcms_intrsoff(struct brcms_info *wl);
  95 extern void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask);
  96 extern int brcms_up(struct brcms_info *wl);
  97 extern void brcms_down(struct brcms_info *wl);
  98 extern void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
  99                                 bool state, int prio);
 100 extern bool brcms_rfkill_set_hw_state(struct brcms_info *wl);
 101
 102 /* timer functions */
 103 extern struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
 104                                       void (*fn) (void *arg), void *arg,
 105                                       const char *name);
 106 extern void brcms_free_timer(struct brcms_timer *timer);
 107 extern void brcms_add_timer(struct brcms_timer *timer, uint ms, int periodic);
 108 extern bool brcms_del_timer(struct brcms_timer *timer);
 109 extern void brcms_dpc(unsigned long data);
 110 extern void brcms_timer(struct brcms_timer *t);
 111 extern void brcms_fatal_error(struct brcms_info *wl);
 112
 113 #endif                          /* _BRCM_MAC80211_IF_H_ */