#define __SOUND_MIXART_H
#include <linux/interrupt.h>
+#include <linux/mutex.h>
#include <sound/pcm.h>
#define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */
char shortname[32]; /* short name of this soundcard */
char longname[80]; /* name of this soundcard */
- /* message tasklet */
- struct tasklet_struct msg_taskq;
-
/* one and only blocking message or notification may be pending */
u32 pending_event;
wait_queue_head_t msg_sleep;
- /* messages stored for tasklet */
+ /* messages fifo */
u32 msg_fifo[MSG_FIFO_SIZE];
int msg_fifo_readptr;
int msg_fifo_writeptr;
atomic_t msg_processed; /* number of messages to be processed in takslet */
- spinlock_t lock; /* interrupt spinlock */
- spinlock_t msg_lock; /* mailbox spinlock */
- struct semaphore msg_mutex; /* mutex for blocking_requests */
+ struct mutex lock; /* interrupt lock */
+ struct mutex msg_lock; /* mailbox lock */
- struct semaphore setup_mutex; /* mutex used in hw_params, open and close */
+ struct mutex setup_mutex; /* mutex used in hw_params, open and close */
/* hardware interface */
unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
int sample_rate;
int ref_count_rate;
- struct semaphore mixer_mutex; /* mutex for mixer */
+ struct mutex mixer_mutex; /* mutex for mixer */
};