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