drivers/net/wireless/rsi/rsi_common.h

   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