168 lines
5.3 KiB
C
168 lines
5.3 KiB
C
#ifndef __SOUND_SB16_CSP_H
|
|
#define __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
|
|
*
|
|
*/
|
|
|
|
/* CSP modes */
|
|
#define SNDRV_SB_CSP_MODE_NONE 0x00
|
|
#define SNDRV_SB_CSP_MODE_DSP_READ 0x01 /* Record from DSP */
|
|
#define SNDRV_SB_CSP_MODE_DSP_WRITE 0x02 /* Play to DSP */
|
|
#define SNDRV_SB_CSP_MODE_QSOUND 0x04 /* QSound */
|
|
|
|
/* CSP load flags */
|
|
#define SNDRV_SB_CSP_LOAD_FROMUSER 0x01
|
|
#define SNDRV_SB_CSP_LOAD_INITBLOCK 0x02
|
|
|
|
/* CSP sample width */
|
|
#define SNDRV_SB_CSP_SAMPLE_8BIT 0x01
|
|
#define SNDRV_SB_CSP_SAMPLE_16BIT 0x02
|
|
|
|
/* CSP channels */
|
|
#define SNDRV_SB_CSP_MONO 0x01
|
|
#define SNDRV_SB_CSP_STEREO 0x02
|
|
|
|
/* CSP rates */
|
|
#define SNDRV_SB_CSP_RATE_8000 0x01
|
|
#define SNDRV_SB_CSP_RATE_11025 0x02
|
|
#define SNDRV_SB_CSP_RATE_22050 0x04
|
|
#define SNDRV_SB_CSP_RATE_44100 0x08
|
|
#define SNDRV_SB_CSP_RATE_ALL 0x0f
|
|
|
|
/* CSP running state */
|
|
#define SNDRV_SB_CSP_ST_IDLE 0x00
|
|
#define SNDRV_SB_CSP_ST_LOADED 0x01
|
|
#define SNDRV_SB_CSP_ST_RUNNING 0x02
|
|
#define SNDRV_SB_CSP_ST_PAUSED 0x04
|
|
#define SNDRV_SB_CSP_ST_AUTO 0x08
|
|
#define SNDRV_SB_CSP_ST_QSOUND 0x10
|
|
|
|
/* maximum QSound value (180 degrees right) */
|
|
#define SNDRV_SB_CSP_QSOUND_MAX_RIGHT 0x20
|
|
|
|
/* maximum microcode RIFF file size */
|
|
#define SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE 0x3000
|
|
|
|
/* microcode header */
|
|
typedef struct snd_sb_csp_mc_header {
|
|
char codec_name[16]; /* id name of codec */
|
|
unsigned short func_req; /* requested function */
|
|
} snd_sb_csp_mc_header_t;
|
|
|
|
/* microcode to be loaded */
|
|
typedef struct snd_sb_csp_microcode {
|
|
snd_sb_csp_mc_header_t info;
|
|
unsigned char data[SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE];
|
|
} snd_sb_csp_microcode_t;
|
|
|
|
/* start CSP with sample_width in mono/stereo */
|
|
typedef struct snd_sb_csp_start {
|
|
int sample_width; /* sample width, look above */
|
|
int channels; /* channels, look above */
|
|
} snd_sb_csp_start_t;
|
|
|
|
/* CSP information */
|
|
typedef struct snd_sb_csp_info {
|
|
char codec_name[16]; /* id name of codec */
|
|
unsigned short func_nr; /* function number */
|
|
unsigned int acc_format; /* accepted PCM formats */
|
|
unsigned short acc_channels; /* accepted channels */
|
|
unsigned short acc_width; /* accepted sample width */
|
|
unsigned short acc_rates; /* accepted sample rates */
|
|
unsigned short csp_mode; /* CSP mode, see above */
|
|
unsigned short run_channels; /* current channels */
|
|
unsigned short run_width; /* current sample width */
|
|
unsigned short version; /* version id: 0x10 - 0x1f */
|
|
unsigned short state; /* state bits */
|
|
} snd_sb_csp_info_t;
|
|
|
|
/* HWDEP controls */
|
|
/* get CSP information */
|
|
#define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, snd_sb_csp_info_t)
|
|
/* load microcode to CSP */
|
|
#define SNDRV_SB_CSP_IOCTL_LOAD_CODE _IOW('H', 0x11, snd_sb_csp_microcode_t)
|
|
/* unload microcode from CSP */
|
|
#define SNDRV_SB_CSP_IOCTL_UNLOAD_CODE _IO('H', 0x12)
|
|
/* start CSP */
|
|
#define SNDRV_SB_CSP_IOCTL_START _IOW('H', 0x13, snd_sb_csp_start_t)
|
|
/* stop CSP */
|
|
#define SNDRV_SB_CSP_IOCTL_STOP _IO('H', 0x14)
|
|
/* pause CSP and DMA transfer */
|
|
#define SNDRV_SB_CSP_IOCTL_PAUSE _IO('H', 0x15)
|
|
/* restart CSP and DMA transfer */
|
|
#define SNDRV_SB_CSP_IOCTL_RESTART _IO('H', 0x16)
|
|
|
|
#ifdef __KERNEL__
|
|
#include "sb.h"
|
|
#include "hwdep.h"
|
|
|
|
typedef struct snd_sb_csp snd_sb_csp_t;
|
|
|
|
/*
|
|
* CSP operators
|
|
*/
|
|
typedef struct {
|
|
int (*csp_use) (snd_sb_csp_t * p);
|
|
int (*csp_unuse) (snd_sb_csp_t * p);
|
|
int (*csp_autoload) (snd_sb_csp_t * p, int pcm_sfmt, int play_rec_mode);
|
|
int (*csp_start) (snd_sb_csp_t * p, int sample_width, int channels);
|
|
int (*csp_stop) (snd_sb_csp_t * p);
|
|
int (*csp_qsound_transfer) (snd_sb_csp_t * p);
|
|
} snd_sb_csp_ops_t;
|
|
|
|
/*
|
|
* CSP private data
|
|
*/
|
|
struct snd_sb_csp {
|
|
sb_t *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 */
|
|
|
|
snd_sb_csp_ops_t 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 */
|
|
|
|
snd_kcontrol_t *qsound_switch;
|
|
snd_kcontrol_t *qsound_space;
|
|
|
|
struct semaphore access_mutex; /* locking */
|
|
};
|
|
|
|
int snd_sb_csp_new(sb_t *chip, int device, snd_hwdep_t ** rhwdep);
|
|
#endif
|
|
|
|
#endif /* __SOUND_SB16_CSP */
|