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kernel add
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/**
* Copyright (c) 2014 Redpine Signals Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __RSI_COMMON_H__
#define __RSI_COMMON_H__
#include <linux/kthread.h>
#define EVENT_WAIT_FOREVER 0
#define TA_LOAD_ADDRESS 0x00
#define FIRMWARE_RSI9113 "rsi_91x.fw"
#define QUEUE_NOT_FULL 1
#define QUEUE_FULL 0
static inline int rsi_init_event(struct rsi_event *pevent)
{
atomic_set(&pevent->event_condition, 1);
init_waitqueue_head(&pevent->event_queue);
return 0;
}
static inline int rsi_wait_event(struct rsi_event *event, u32 timeout)
{
int status = 0;
if (!timeout)
status = wait_event_interruptible(event->event_queue,
(atomic_read(&event->event_condition) == 0));
else
status = wait_event_interruptible_timeout(event->event_queue,
(atomic_read(&event->event_condition) == 0),
timeout);
return status;
}
static inline void rsi_set_event(struct rsi_event *event)
{
atomic_set(&event->event_condition, 0);
wake_up_interruptible(&event->event_queue);
}
static inline void rsi_reset_event(struct rsi_event *event)
{
atomic_set(&event->event_condition, 1);
}
static inline int rsi_create_kthread(struct rsi_common *common,
struct rsi_thread *thread,
void *func_ptr,
u8 *name)
{
init_completion(&thread->completion);
thread->task = kthread_run(func_ptr, common, "%s", name);
if (IS_ERR(thread->task))
return (int)PTR_ERR(thread->task);
return 0;
}
static inline int rsi_kill_thread(struct rsi_thread *handle)
{
atomic_inc(&handle->thread_done);
rsi_set_event(&handle->event);
wait_for_completion(&handle->completion);
return kthread_stop(handle->task);
}
void rsi_mac80211_detach(struct rsi_hw *hw);
u16 rsi_get_connected_channel(struct rsi_hw *adapter);
struct rsi_hw *rsi_91x_init(void);
void rsi_91x_deinit(struct rsi_hw *adapter);
int rsi_read_pkt(struct rsi_common *common, s32 rcv_pkt_len);
#endif
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