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pcxhr_mix22.h
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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 <[email protected]>
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 int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable);
38 
39 #define HR222_LINE_PLAYBACK_LEVEL_MIN 0 /* -25.5 dB */
40 #define HR222_LINE_PLAYBACK_ZERO_LEVEL 51 /* 0.0 dB */
41 #define HR222_LINE_PLAYBACK_LEVEL_MAX 99 /* +24.0 dB */
42 
43 #define HR222_LINE_CAPTURE_LEVEL_MIN 0 /* -111.5 dB */
44 #define HR222_LINE_CAPTURE_ZERO_LEVEL 223 /* 0.0 dB */
45 #define HR222_LINE_CAPTURE_LEVEL_MAX 255 /* +16 dB */
46 #define HR222_MICRO_CAPTURE_LEVEL_MIN 0 /* -98.5 dB */
47 #define HR222_MICRO_CAPTURE_LEVEL_MAX 210 /* +6.5 dB */
48 
50  int is_capture,
51  int channel);
53 int hr222_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx,
54  unsigned char *aes_bits);
55 int hr222_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx,
56  unsigned char aes_bits);
57 
59 
60 #endif /* __SOUND_PCXHR_MIX22_H */