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 void brcms_init(struct brcms_info *wl); 92 uint brcms_reset(struct brcms_info *wl); 93 void brcms_intrson(struct brcms_info *wl); 94 u32 brcms_intrsoff(struct brcms_info *wl); 95 void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask); 96 int brcms_up(struct brcms_info *wl); 97 void brcms_down(struct brcms_info *wl); 98 void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif, 99 bool state, int prio); 100 bool brcms_rfkill_set_hw_state(struct brcms_info *wl); 101 102 /* timer functions */ 103 struct brcms_timer *brcms_init_timer(struct brcms_info *wl, 104 void (*fn) (void *arg), void *arg, 105 const char *name); 106 void brcms_free_timer(struct brcms_timer *timer); 107 void brcms_add_timer(struct brcms_timer *timer, uint ms, int periodic); 108 bool brcms_del_timer(struct brcms_timer *timer); 109 void brcms_dpc(struct tasklet_struct *t); 110 void brcms_timer(struct brcms_timer *t); 111 void brcms_fatal_error(struct brcms_info *wl); 112 113 #endif /* _BRCM_MAC80211_IF_H_ */ 114