mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 22:30:52 +07:00
862c2c0a61
This patch adds a new ALSA driver for the audio device found inside most of the SGI O2 workstation. The hardware uses a SGI custom chip, which feeds a AD codec chip. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright 2003 Vivien Chappelier <vivien.chappelier@linux-mips.org>
|
|
* Copyright 2008 Thomas Bogendoerfer <tsbogend@franken.de>
|
|
*/
|
|
|
|
#ifndef __SOUND_AD1843_H
|
|
#define __SOUND_AD1843_H
|
|
|
|
struct snd_ad1843 {
|
|
void *chip;
|
|
int (*read)(void *chip, int reg);
|
|
int (*write)(void *chip, int reg, int val);
|
|
};
|
|
|
|
#define AD1843_GAIN_RECLEV 0
|
|
#define AD1843_GAIN_LINE 1
|
|
#define AD1843_GAIN_LINE_2 2
|
|
#define AD1843_GAIN_MIC 3
|
|
#define AD1843_GAIN_PCM_0 4
|
|
#define AD1843_GAIN_PCM_1 5
|
|
#define AD1843_GAIN_SIZE (AD1843_GAIN_PCM_1+1)
|
|
|
|
int ad1843_get_gain_max(struct snd_ad1843 *ad1843, int id);
|
|
int ad1843_get_gain(struct snd_ad1843 *ad1843, int id);
|
|
int ad1843_set_gain(struct snd_ad1843 *ad1843, int id, int newval);
|
|
int ad1843_get_recsrc(struct snd_ad1843 *ad1843);
|
|
int ad1843_set_recsrc(struct snd_ad1843 *ad1843, int newsrc);
|
|
void ad1843_setup_dac(struct snd_ad1843 *ad1843,
|
|
unsigned int id,
|
|
unsigned int framerate,
|
|
snd_pcm_format_t fmt,
|
|
unsigned int channels);
|
|
void ad1843_shutdown_dac(struct snd_ad1843 *ad1843,
|
|
unsigned int id);
|
|
void ad1843_setup_adc(struct snd_ad1843 *ad1843,
|
|
unsigned int framerate,
|
|
snd_pcm_format_t fmt,
|
|
unsigned int channels);
|
|
void ad1843_shutdown_adc(struct snd_ad1843 *ad1843);
|
|
int ad1843_init(struct snd_ad1843 *ad1843);
|
|
|
|
#endif /* __SOUND_AD1843_H */
|