1 /*
2 * Driver for Digigram pcxhr compatible soundcards
3 *
4 * low level interface with interrupt ans message handling
5 *
6 * Copyright (c) 2004 by Digigram <alsa@digigram.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #ifndef __SOUND_PCXHR_MIX22_H
24 #define __SOUND_PCXHR_MIX22_H
25
26 struct pcxhr_mgr;
27
28 int hr222_sub_init(struct pcxhr_mgr *mgr);
29 int hr222_sub_set_clock(struct pcxhr_mgr *mgr, unsigned int rate,
30 int *changed);
31 int hr222_get_external_clock(struct pcxhr_mgr *mgr,
32 enum pcxhr_clock_type clock_type,
33 int *sample_rate);
34
35 int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value);
36 int hr222_write_gpo(struct pcxhr_mgr *mgr, int value);
37
38 #define HR222_LINE_PLAYBACK_LEVEL_MIN 0 /* -25.5 dB */
39 #define HR222_LINE_PLAYBACK_ZERO_LEVEL 51 /* 0.0 dB */
40 #define HR222_LINE_PLAYBACK_LEVEL_MAX 99 /* +24.0 dB */
41
42 #define HR222_LINE_CAPTURE_LEVEL_MIN 0 /* -111.5 dB */
43 #define HR222_LINE_CAPTURE_ZERO_LEVEL 223 /* 0.0 dB */
44 #define HR222_LINE_CAPTURE_LEVEL_MAX 255 /* +16 dB */
45 #define HR222_MICRO_CAPTURE_LEVEL_MIN 0 /* -98.5 dB */
46 #define HR222_MICRO_CAPTURE_LEVEL_MAX 210 /* +6.5 dB */
47
48 int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
49 int is_capture,
50 int channel);
51 int hr222_set_audio_source(struct snd_pcxhr *chip);
52 int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
53 unsigned char *aes_bits);
54 int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
55 unsigned char aes_bits);
56
57 int hr222_add_mic_controls(struct snd_pcxhr *chip);
58
59 #endif /* __SOUND_PCXHR_MIX22_H */
60
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