LXR linux/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211

   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
  36struct 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
  50struct brcms_if {
  51        uint subunit;           /* WDS/BSS unit */
  52        struct pci_dev *pci_dev;
  53};
  54
  55#define MAX_FW_IMAGES           4
  56struct 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
  63struct 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 */
  91void brcms_init(struct brcms_info *wl);
  92uint brcms_reset(struct brcms_info *wl);
  93void brcms_intrson(struct brcms_info *wl);
  94u32 brcms_intrsoff(struct brcms_info *wl);
  95void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask);
  96int brcms_up(struct brcms_info *wl);
  97void brcms_down(struct brcms_info *wl);
  98void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
  99                         bool state, int prio);
 100bool brcms_rfkill_set_hw_state(struct brcms_info *wl);
 101
 102/* timer functions */
 103struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
 104                                     void (*fn) (void *arg), void *arg,
 105                                     const char *name);
 106void brcms_free_timer(struct brcms_timer *timer);
 107void brcms_add_timer(struct brcms_timer *timer, uint ms, int periodic);
 108bool brcms_del_timer(struct brcms_timer *timer);
 109void brcms_dpc(unsigned long data);
 110void brcms_timer(struct brcms_timer *t);
 111void brcms_fatal_error(struct brcms_info *wl);
 112
 113#endif                          /* _BRCM_MAC80211_IF_H_ */
 114