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  
rsi_init_event(struct rsi_event * pevent)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  
rsi_wait_event(struct rsi_event * event,u32 timeout)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  
rsi_set_event(struct rsi_event * event)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  
rsi_reset_event(struct rsi_event * event)54  static inline void rsi_reset_event(struct rsi_event *event)
55  {
56  	atomic_set(&event->event_condition, 1);
57  }
58  
rsi_create_kthread(struct rsi_common * common,struct rsi_thread * thread,void * func_ptr,u8 * name)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  
rsi_kill_thread(struct rsi_thread * handle)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