[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / sound / sb16_csp.h

/*
 *  Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
 *                        Takashi Iwai <tiwai@suse.de>
 *
 *  SB16ASP/AWE32 CSP control
 *
 *   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
 *
 */
#ifndef __SOUND_SB16_CSP_H
#define __SOUND_SB16_CSP_H

#include <sound/sb.h>
#include <sound/hwdep.h>
#include <linux/firmware.h>
#include <uapi/sound/sb16_csp.h>

struct snd_sb_csp;

/* indices for the known CSP programs */
enum {
	CSP_PROGRAM_MULAW,
	CSP_PROGRAM_ALAW,
	CSP_PROGRAM_ADPCM_INIT,
	CSP_PROGRAM_ADPCM_PLAYBACK,
	CSP_PROGRAM_ADPCM_CAPTURE,

	CSP_PROGRAM_COUNT
};

/*
 * CSP operators
 */
struct snd_sb_csp_ops {
	int (*csp_use) (struct snd_sb_csp * p);
	int (*csp_unuse) (struct snd_sb_csp * p);
	int (*csp_autoload) (struct snd_sb_csp * p, int pcm_sfmt, int play_rec_mode);
	int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels);
	int (*csp_stop) (struct snd_sb_csp * p);
	int (*csp_qsound_transfer) (struct snd_sb_csp * p);
};

/*
 * CSP private data
 */
struct snd_sb_csp {
	struct snd_sb *chip;		/* SB16 DSP */
	int used;		/* usage flag - exclusive */
	char codec_name[16];	/* name of codec */
	unsigned short func_nr;	/* function number */
	unsigned int acc_format;	/* accepted PCM formats */
	int acc_channels;	/* accepted channels */
	int acc_width;		/* accepted sample width */
	int acc_rates;		/* accepted sample rates */
	int mode;		/* MODE */
	int run_channels;	/* current CSP channels */
	int run_width;		/* current sample width */
	int version;		/* CSP version (0x10 - 0x1f) */
	int running;		/* running state */

	struct snd_sb_csp_ops ops;	/* operators */

	spinlock_t q_lock;	/* locking */
	int q_enabled;		/* enabled flag */
	int qpos_left;		/* left position */
	int qpos_right;		/* right position */
	int qpos_changed;	/* position changed flag */

	struct snd_kcontrol *qsound_switch;
	struct snd_kcontrol *qsound_space;

	struct mutex access_mutex;	/* locking */

	const struct firmware *csp_programs[CSP_PROGRAM_COUNT];
};

int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep);
#endif /* __SOUND_SB16_CSP */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
	3	* Takashi Iwai <tiwai@suse.de>
	4	*
	5	* SB16ASP/AWE32 CSP control
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*
	21	*/
674e95ca DH	22	#ifndef __SOUND_SB16_CSP_H
674e95ca DH	23	#define __SOUND_SB16_CSP_H
1da177e4	24
a1ce3928 DH	25	#include <sound/sb.h>
a1ce3928 DH	26	#include <sound/hwdep.h>
de66d53e	27	#include <linux/firmware.h>
674e95ca	28	#include <uapi/sound/sb16_csp.h>
1da177e4	29
029d64b0	30	struct snd_sb_csp;
1da177e4	31
de66d53e CL	32	/* indices for the known CSP programs */
	33	enum {
	34	CSP_PROGRAM_MULAW,
	35	CSP_PROGRAM_ALAW,
	36	CSP_PROGRAM_ADPCM_INIT,
	37	CSP_PROGRAM_ADPCM_PLAYBACK,
	38	CSP_PROGRAM_ADPCM_CAPTURE,
	39
	40	CSP_PROGRAM_COUNT
	41	};
	42
1da177e4 LT	43	/*
	44	* CSP operators
	45	*/
029d64b0 TI	46	struct snd_sb_csp_ops {
	47	int (csp_use) (struct snd_sb_csp p);
	48	int (csp_unuse) (struct snd_sb_csp p);
	49	int (csp_autoload) (struct snd_sb_csp p, int pcm_sfmt, int play_rec_mode);
	50	int (csp_start) (struct snd_sb_csp p, int sample_width, int channels);
	51	int (csp_stop) (struct snd_sb_csp p);
	52	int (csp_qsound_transfer) (struct snd_sb_csp p);
	53	};
1da177e4 LT	54
	55	/*
	56	* CSP private data
	57	*/
	58	struct snd_sb_csp {
029d64b0	59	struct snd_sb chip; / SB16 DSP */
1da177e4 LT	60	int used; /* usage flag - exclusive */
	61	char codec_name[16]; /* name of codec */
	62	unsigned short func_nr; /* function number */
	63	unsigned int acc_format; /* accepted PCM formats */
	64	int acc_channels; /* accepted channels */
	65	int acc_width; /* accepted sample width */
	66	int acc_rates; /* accepted sample rates */
	67	int mode; /* MODE */
	68	int run_channels; /* current CSP channels */
	69	int run_width; /* current sample width */
	70	int version; /* CSP version (0x10 - 0x1f) */
	71	int running; /* running state */
	72
029d64b0	73	struct snd_sb_csp_ops ops; /* operators */
1da177e4 LT	74
	75	spinlock_t q_lock; /* locking */
	76	int q_enabled; /* enabled flag */
	77	int qpos_left; /* left position */
	78	int qpos_right; /* right position */
	79	int qpos_changed; /* position changed flag */
	80
029d64b0 TI	81	struct snd_kcontrol *qsound_switch;
029d64b0 TI	82	struct snd_kcontrol *qsound_space;
1da177e4	83
8b7547f9	84	struct mutex access_mutex; /* locking */
de66d53e CL	85
de66d53e CL	86	const struct firmware *csp_programs[CSP_PROGRAM_COUNT];
1da177e4 LT	87	};
1da177e4 LT	88
029d64b0	89	int snd_sb_csp_new(struct snd_sb chip, int device, struct snd_hwdep * rhwdep);
1da177e4	90	#endif /* __SOUND_SB16_CSP */