2024-09-09 08:52:07 +00:00
|
|
|
/*
|
|
|
|
|
* 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
|
|
|
|
|
*
|
|
|
|
|
*/
|
2024-09-09 08:57:42 +00:00
|
|
|
#ifndef __SOUND_SB16_CSP_H
|
|
|
|
|
#define __SOUND_SB16_CSP_H
|
2024-09-09 08:52:07 +00:00
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
#include <sound/sb.h>
|
|
|
|
|
#include <sound/hwdep.h>
|
2024-09-09 08:52:07 +00:00
|
|
|
#include <linux/firmware.h>
|
2024-09-09 08:57:42 +00:00
|
|
|
#include <uapi/sound/sb16_csp.h>
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
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 */
|
