[linux.git] / include / sound / hwdep.h

#ifndef __SOUND_HWDEP_H
#define __SOUND_HWDEP_H

/*
 *  Hardware dependent layer 
 *  Copyright (c) by Jaroslav Kysela <[email protected]>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <sound/asound.h>
#include <linux/poll.h>

struct snd_hwdep;

struct snd_hwdep_ops {
	long long (*llseek) (struct snd_hwdep *hw, struct file * file, long long offset, int orig);
	long (*read) (struct snd_hwdep *hw, char __user *buf, long count, loff_t *offset);
	long (*write) (struct snd_hwdep *hw, const char __user *buf, long count, loff_t *offset);
	int (*open) (struct snd_hwdep * hw, struct file * file);
	int (*release) (struct snd_hwdep *hw, struct file * file);
	unsigned int (*poll) (struct snd_hwdep *hw, struct file * file, poll_table * wait);
	int (*ioctl) (struct snd_hwdep *hw, struct file * file, unsigned int cmd, unsigned long arg);
	int (*ioctl_compat) (struct snd_hwdep *hw, struct file * file, unsigned int cmd, unsigned long arg);
	int (*mmap) (struct snd_hwdep *hw, struct file * file, struct vm_area_struct * vma);
	int (*dsp_status) (struct snd_hwdep *hw, struct snd_hwdep_dsp_status *status);
	int (*dsp_load) (struct snd_hwdep *hw, struct snd_hwdep_dsp_image *image);
};

struct snd_hwdep {
	struct snd_card *card;
	struct list_head list;
	int device;
	char id[32];
	char name[80];
	int iface;

#ifdef CONFIG_SND_OSSEMUL
	char oss_dev[32];
	int oss_type;
	int ossreg;
#endif

	struct snd_hwdep_ops ops;
	wait_queue_head_t open_wait;
	void *private_data;
	void (*private_free) (struct snd_hwdep *hwdep);

	struct mutex open_mutex;
	int used;
	unsigned int dsp_loaded;
	unsigned int exclusive: 1;
};

extern int snd_hwdep_new(struct snd_card *card, char *id, int device,
			 struct snd_hwdep **rhwdep);

#endif /* __SOUND_HWDEP_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __SOUND_HWDEP_H
	2	#define __SOUND_HWDEP_H
	3
	4	/*
	5	* Hardware dependent layer
c1017a4c	6	* Copyright (c) by Jaroslav Kysela <[email protected]>
1da177e4 LT	7	*
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	22	*
	23	*/
	24
	25	#include <sound/asound.h>
	26	#include <linux/poll.h>
	27
d9a98de2	28	struct snd_hwdep;
1da177e4	29
d9a98de2 TI	30	struct snd_hwdep_ops {
	31	long long (llseek) (struct snd_hwdep hw, struct file * file, long long offset, int orig);
	32	long (read) (struct snd_hwdep hw, char __user buf, long count, loff_t offset);
	33	long (write) (struct snd_hwdep hw, const char __user buf, long count, loff_t offset);
	34	int (open) (struct snd_hwdep hw, struct file * file);
	35	int (release) (struct snd_hwdep hw, struct file * file);
	36	unsigned int (poll) (struct snd_hwdep hw, struct file * file, poll_table * wait);
	37	int (ioctl) (struct snd_hwdep hw, struct file * file, unsigned int cmd, unsigned long arg);
	38	int (ioctl_compat) (struct snd_hwdep hw, struct file * file, unsigned int cmd, unsigned long arg);
	39	int (mmap) (struct snd_hwdep hw, struct file * file, struct vm_area_struct * vma);
	40	int (dsp_status) (struct snd_hwdep hw, struct snd_hwdep_dsp_status *status);
	41	int (dsp_load) (struct snd_hwdep hw, struct snd_hwdep_dsp_image *image);
	42	};
1da177e4	43
d9a98de2 TI	44	struct snd_hwdep {
d9a98de2 TI	45	struct snd_card *card;
f87135f5	46	struct list_head list;
1da177e4 LT	47	int device;
	48	char id[32];
	49	char name[80];
	50	int iface;
	51
	52	#ifdef CONFIG_SND_OSSEMUL
	53	char oss_dev[32];
	54	int oss_type;
	55	int ossreg;
	56	#endif
	57
d9a98de2	58	struct snd_hwdep_ops ops;
1da177e4 LT	59	wait_queue_head_t open_wait;
1da177e4 LT	60	void *private_data;
d9a98de2	61	void (private_free) (struct snd_hwdep hwdep);
1da177e4	62
1a60d4c5	63	struct mutex open_mutex;
1da177e4 LT	64	int used;
	65	unsigned int dsp_loaded;
	66	unsigned int exclusive: 1;
	67	};
	68
d9a98de2 TI	69	extern int snd_hwdep_new(struct snd_card card, char id, int device,
d9a98de2 TI	70	struct snd_hwdep **rhwdep);
1da177e4 LT	71
1da177e4 LT	72	#endif /* __SOUND_HWDEP_H */