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 DEBUG 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_ */ 109