/*

 *  Timer interface - local header file

 *  Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>

 *

 *

 *   This library is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU Lesser General Public License as

 *   published by the Free Software Foundation; either version 2.1 of

 *   the License, or (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU Lesser General Public License for more details.

 *

 *   You should have received a copy of the GNU Lesser General Public

 *   License along with this library; if not, write to the Free Software

 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */

#include "local.h"

#include <limits.h>

#include <sys/ioctl.h>

#ifndef DOC_HIDDEN

typedef struct {

	int (*close)(snd_timer_t *timer);

	int (*nonblock)(snd_timer_t *timer, int nonblock);

	int (*async)(snd_timer_t *timer, int sig, pid_t pid);

	int (*info)(snd_timer_t *timer, snd_timer_info_t *info);

	int (*params)(snd_timer_t *timer, snd_timer_params_t *params);

	int (*status)(snd_timer_t *timer, snd_timer_status_t *status);

	int (*rt_start)(snd_timer_t *timer);

	int (*rt_stop)(snd_timer_t *timer);

	int (*rt_continue)(snd_timer_t *timer);

	ssize_t (*read)(snd_timer_t *timer, void *buffer, size_t size);

} snd_timer_ops_t;

struct _snd_timer {

	unsigned int version;

	void *dl_handle;

	char *name;

	snd_timer_type_t type;

	int mode;

	int poll_fd;

	const snd_timer_ops_t *ops;

	void *private_data;

	struct list_head async_handlers;

};

typedef struct {

	int (*close)(snd_timer_query_t *timer);

	int (*next_device)(snd_timer_query_t *timer, snd_timer_id_t *tid);

	int (*info)(snd_timer_query_t *timer, snd_timer_ginfo_t *info);

	int (*params)(snd_timer_query_t *timer, snd_timer_gparams_t *info);

	int (*status)(snd_timer_query_t *timer, snd_timer_gstatus_t *info);

} snd_timer_query_ops_t;

struct _snd_timer_query {

	void *dl_handle;

	char *name;

	snd_timer_type_t type;

	int mode;

	int poll_fd;

	const snd_timer_query_ops_t *ops;

	void *private_data;

};

#endif /* DOC_HIDDEN */

int snd_timer_hw_open(snd_timer_t **handle, const char *name, int dev_class, int dev_sclass, int card, int device, int subdevice, int mode);

int snd_timer_query_hw_open(snd_timer_query_t **handle, const char *name, int mode);

int snd_timer_async(snd_timer_t *timer, int sig, pid_t pid);

#ifdef INTERNAL

int INTERNAL(snd_timer_params_set_exclusive)(snd_timer_params_t * params, int exclusive);

int INTERNAL(snd_timer_params_get_exclusive)(snd_timer_params_t * params);

void INTERNAL(snd_timer_params_set_filter)(snd_timer_params_t * params, unsigned int filter);

unsigned int INTERNAL(snd_timer_params_get_filter)(snd_timer_params_t * params);

int INTERNAL(snd_timer_query_info)(snd_timer_query_t *timer, snd_timer_ginfo_t *info);

int INTERNAL(snd_timer_query_params)(snd_timer_query_t *timer, snd_timer_gparams_t *params);

int INTERNAL(snd_timer_query_status)(snd_timer_query_t *timer, snd_timer_gstatus_t *status);

#endif /* INTERNAL */