mixart_core.c File Reference

#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <asm/io.h>
#include <sound/core.h>
#include "mixart.h"
#include "mixart_hwdep.h"
#include "mixart_core.h"

Go to the source code of this file.

Macros
#define	MSG_TIMEOUT_JIFFIES   (400 * HZ) / 1000 /* 400 ms */
#define	MSG_DESCRIPTOR_SIZE   0x24
#define	MSG_HEADER_SIZE   (MSG_DESCRIPTOR_SIZE + 4)
#define	MSG_DEFAULT_SIZE   512
#define	MSG_TYPE_MASK   0x00000003 /* mask for following types */
#define	MSG_TYPE_NOTIFY   0 /* embedded -> driver (only notification, do not get_msg() !) */
#define	MSG_TYPE_COMMAND   1 /* driver <-> embedded (a command has no answer) */
#define	MSG_TYPE_REQUEST   2 /* driver -> embedded (request will get an answer back) */
#define	MSG_TYPE_ANSWER   3 /* embedded -> driver */
#define	MSG_CANCEL_NOTIFY_MASK   0x80000000 /* this bit is set for a notification that has been canceled */

Functions
int	snd_mixart_send_msg (struct mixart_mgr *mgr, struct mixart_msg *request, int max_resp_size, void *resp_data)
int	snd_mixart_send_msg_wait_notif (struct mixart_mgr *mgr, struct mixart_msg *request, u32 notif_event)
int	snd_mixart_send_msg_nonblock (struct mixart_mgr *mgr, struct mixart_msg *request)
void	snd_mixart_msg_tasklet (unsigned long arg)
irqreturn_t	snd_mixart_interrupt (int irq, void *dev_id)
void	snd_mixart_init_mailbox (struct mixart_mgr *mgr)
void	snd_mixart_exit_mailbox (struct mixart_mgr *mgr)
void	snd_mixart_reset_board (struct mixart_mgr *mgr)

Macro Definition Documentation

#define MSG_CANCEL_NOTIFY_MASK   0x80000000 /* this bit is set for a notification that has been canceled */

Definition at line 45 of file mixart_core.c.

#define MSG_DEFAULT_SIZE   512

Definition at line 38 of file mixart_core.c.

#define MSG_DESCRIPTOR_SIZE   0x24

Definition at line 35 of file mixart_core.c.

#define MSG_HEADER_SIZE   (MSG_DESCRIPTOR_SIZE + 4)

Definition at line 36 of file mixart_core.c.

#define MSG_TIMEOUT_JIFFIES   (400 * HZ) / 1000 /* 400 ms */

Definition at line 33 of file mixart_core.c.

#define MSG_TYPE_ANSWER   3 /* embedded -> driver */

Definition at line 44 of file mixart_core.c.

#define MSG_TYPE_COMMAND   1 /* driver <-> embedded (a command has no answer) */

Definition at line 42 of file mixart_core.c.

#define MSG_TYPE_MASK   0x00000003 /* mask for following types */

Definition at line 40 of file mixart_core.c.

#define MSG_TYPE_NOTIFY   0 /* embedded -> driver (only notification, do not get_msg() !) */

Definition at line 41 of file mixart_core.c.

#define MSG_TYPE_REQUEST   2 /* driver -> embedded (request will get an answer back) */

Definition at line 43 of file mixart_core.c.

Function Documentation

void snd_mixart_exit_mailbox

(

struct mixart_mgr *

mgr

)

Definition at line 586 of file mixart_core.c.

void snd_mixart_init_mailbox

(

struct mixart_mgr *

mgr

)

Definition at line 574 of file mixart_core.c.

irqreturn_t snd_mixart_interrupt	(	int	irq,
		void *	dev_id
	)

Definition at line 416 of file mixart_core.c.

void snd_mixart_msg_tasklet

(

unsigned long

arg

)

Definition at line 355 of file mixart_core.c.

void snd_mixart_reset_board

(

struct mixart_mgr *

mgr

)

Definition at line 593 of file mixart_core.c.

int snd_mixart_send_msg	(	struct mixart_mgr *	mgr,
		struct mixart_msg *	request,
		int	max_resp_size,
		void *	resp_data
	)

Definition at line 238 of file mixart_core.c.

int snd_mixart_send_msg_nonblock	(	struct mixart_mgr *	mgr,
		struct mixart_msg *	request
	)

Definition at line 333 of file mixart_core.c.

int snd_mixart_send_msg_wait_notif	(	struct mixart_mgr *	mgr,
		struct mixart_msg *	request,
		u32	notif_event
	)

Definition at line 288 of file mixart_core.c.