cregit-Linux how code gets into the kernel

Release 4.12 include/sound/sb16_csp.h

Directory: include/sound
/*
 *  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 */

Overall Contributors

PersonTokensPropCommitsCommitProp
Jaroslav Kysela20076.05%116.67%
Clemens Ladisch2810.65%116.67%
Takashi Iwai2810.65%116.67%
David Howells62.28%233.33%
Ingo Molnar10.38%116.67%
Total263100.00%6100.00%
Directory: include/sound
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