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1/*2 * This file is subject to the terms and conditions of the GNU General Public3 * License. See the file "COPYING" in the main directory of this archive4 * for more details.5 *6 * Copyright 2003 Vivien Chappelier <vivien.chappelier@linux-mips.org>7 * Copyright 2008 Thomas Bogendoerfer <tsbogend@franken.de>8 */9 10#ifndef __SOUND_AD1843_H11#define __SOUND_AD1843_H12 13struct snd_ad1843 {14 void *chip;15 int (*read)(void *chip, int reg);16 int (*write)(void *chip, int reg, int val);17};18 19#define AD1843_GAIN_RECLEV 020#define AD1843_GAIN_LINE 121#define AD1843_GAIN_LINE_2 222#define AD1843_GAIN_MIC 323#define AD1843_GAIN_PCM_0 424#define AD1843_GAIN_PCM_1 525#define AD1843_GAIN_SIZE (AD1843_GAIN_PCM_1+1)26 27int ad1843_get_gain_max(struct snd_ad1843 *ad1843, int id);28int ad1843_get_gain(struct snd_ad1843 *ad1843, int id);29int ad1843_set_gain(struct snd_ad1843 *ad1843, int id, int newval);30int ad1843_get_recsrc(struct snd_ad1843 *ad1843);31int ad1843_set_recsrc(struct snd_ad1843 *ad1843, int newsrc);32void ad1843_setup_dac(struct snd_ad1843 *ad1843,33 unsigned int id,34 unsigned int framerate,35 snd_pcm_format_t fmt,36 unsigned int channels);37void ad1843_shutdown_dac(struct snd_ad1843 *ad1843,38 unsigned int id);39void ad1843_setup_adc(struct snd_ad1843 *ad1843,40 unsigned int framerate,41 snd_pcm_format_t fmt,42 unsigned int channels);43void ad1843_shutdown_adc(struct snd_ad1843 *ad1843);44int ad1843_init(struct snd_ad1843 *ad1843);45 46#endif /* __SOUND_AD1843_H */47