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 TA_LOAD_ADDRESS 0x00
24 #define FIRMWARE_RSI9113 "rsi_91x.fw"
25 #define QUEUE_NOT_FULL 1
26 #define QUEUE_FULL 0
27
rsi_init_event(struct rsi_event * pevent)28 static inline int rsi_init_event(struct rsi_event *pevent)
29 {
30 atomic_set(&pevent->event_condition, 1);
31 init_waitqueue_head(&pevent->event_queue);
32 return 0;
33 }
34
rsi_wait_event(struct rsi_event * event,u32 timeout)35 static inline int rsi_wait_event(struct rsi_event *event, u32 timeout)
36 {
37 int status = 0;
38
39 if (!timeout)
40 status = wait_event_interruptible(event->event_queue,
41 (atomic_read(&event->event_condition) == 0));
42 else
43 status = wait_event_interruptible_timeout(event->event_queue,
44 (atomic_read(&event->event_condition) == 0),
45 timeout);
46 return status;
47 }
48
rsi_set_event(struct rsi_event * event)49 static inline void rsi_set_event(struct rsi_event *event)
50 {
51 atomic_set(&event->event_condition, 0);
52 wake_up_interruptible(&event->event_queue);
53 }
54
rsi_reset_event(struct rsi_event * event)55 static inline void rsi_reset_event(struct rsi_event *event)
56 {
57 atomic_set(&event->event_condition, 1);
58 }
59
rsi_create_kthread(struct rsi_common * common,struct rsi_thread * thread,void * func_ptr,u8 * name)60 static inline int rsi_create_kthread(struct rsi_common *common,
61 struct rsi_thread *thread,
62 void *func_ptr,
63 u8 *name)
64 {
65 init_completion(&thread->completion);
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 wait_for_completion(&handle->completion);
79 return kthread_stop(handle->task);
80 }
81
82 void rsi_mac80211_detach(struct rsi_hw *hw);
83 u16 rsi_get_connected_channel(struct rsi_hw *adapter);
84 struct rsi_hw *rsi_91x_init(void);
85 void rsi_91x_deinit(struct rsi_hw *adapter);
86 int rsi_read_pkt(struct rsi_common *common, s32 rcv_pkt_len);
87 #endif
88