xref: /openbmc/linux/include/sound/ad1843.h (revision a2cce7a9)
1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * 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_H
11 #define __SOUND_AD1843_H
12 
13 struct 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 0
20 #define AD1843_GAIN_LINE   1
21 #define AD1843_GAIN_LINE_2 2
22 #define AD1843_GAIN_MIC    3
23 #define AD1843_GAIN_PCM_0  4
24 #define AD1843_GAIN_PCM_1  5
25 #define AD1843_GAIN_SIZE   (AD1843_GAIN_PCM_1+1)
26 
27 int ad1843_get_gain_max(struct snd_ad1843 *ad1843, int id);
28 int ad1843_get_gain(struct snd_ad1843 *ad1843, int id);
29 int ad1843_set_gain(struct snd_ad1843 *ad1843, int id, int newval);
30 int ad1843_get_recsrc(struct snd_ad1843 *ad1843);
31 int ad1843_set_recsrc(struct snd_ad1843 *ad1843, int newsrc);
32 void 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);
37 void ad1843_shutdown_dac(struct snd_ad1843 *ad1843,
38 			 unsigned int id);
39 void ad1843_setup_adc(struct snd_ad1843 *ad1843,
40 		      unsigned int framerate,
41 		      snd_pcm_format_t fmt,
42 		      unsigned int channels);
43 void ad1843_shutdown_adc(struct snd_ad1843 *ad1843);
44 int ad1843_init(struct snd_ad1843 *ad1843);
45 
46 #endif /* __SOUND_AD1843_H */
47