1 /** 2 * Copyright (c) 2014 Redpine Signals Inc. 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 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef __RSI_COMMON_H__ 18 #define __RSI_COMMON_H__ 19 20 #include <linux/kthread.h> 21 22 #define EVENT_WAIT_FOREVER 0 23 #define FIRMWARE_RSI9113 "rs9113_wlan_qspi.rps" 24 #define QUEUE_NOT_FULL 1 25 #define QUEUE_FULL 0 26 27 static inline int rsi_init_event(struct rsi_event *pevent) 28 { 29 atomic_set(&pevent->event_condition, 1); 30 init_waitqueue_head(&pevent->event_queue); 31 return 0; 32 } 33 34 static inline int rsi_wait_event(struct rsi_event *event, u32 timeout) 35 { 36 int status = 0; 37 38 if (!timeout) 39 status = wait_event_interruptible(event->event_queue, 40 (atomic_read(&event->event_condition) == 0)); 41 else 42 status = wait_event_interruptible_timeout(event->event_queue, 43 (atomic_read(&event->event_condition) == 0), 44 timeout); 45 return status; 46 } 47 48 static inline void rsi_set_event(struct rsi_event *event) 49 { 50 atomic_set(&event->event_condition, 0); 51 wake_up_interruptible(&event->event_queue); 52 } 53 54 static inline void rsi_reset_event(struct rsi_event *event) 55 { 56 atomic_set(&event->event_condition, 1); 57 } 58 59 static inline int rsi_create_kthread(struct rsi_common *common, 60 struct rsi_thread *thread, 61 void *func_ptr, 62 u8 *name) 63 { 64 init_completion(&thread->completion); 65 atomic_set(&thread->thread_done, 0); 66 thread->task = kthread_run(func_ptr, common, "%s", name); 67 if (IS_ERR(thread->task)) 68 return (int)PTR_ERR(thread->task); 69 70 return 0; 71 } 72 73 static inline int rsi_kill_thread(struct rsi_thread *handle) 74 { 75 atomic_inc(&handle->thread_done); 76 rsi_set_event(&handle->event); 77 78 return kthread_stop(handle->task); 79 } 80 81 void rsi_mac80211_detach(struct rsi_hw *hw); 82 u16 rsi_get_connected_channel(struct ieee80211_vif *vif); 83 struct rsi_hw *rsi_91x_init(u16 oper_mode); 84 void rsi_91x_deinit(struct rsi_hw *adapter); 85 int rsi_read_pkt(struct rsi_common *common, u8 *rx_pkt, s32 rcv_pkt_len); 86 #ifdef CONFIG_PM 87 int rsi_config_wowlan(struct rsi_hw *adapter, struct cfg80211_wowlan *wowlan); 88 #endif 89 struct rsi_sta *rsi_find_sta(struct rsi_common *common, u8 *mac_addr); 90 struct ieee80211_vif *rsi_get_vif(struct rsi_hw *adapter, u8 *mac); 91 void rsi_roc_timeout(struct timer_list *t); 92 #endif 93