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[karo-tx-linux.git] / sound / firewire / bebob / bebob_terratec.c
1 /*
2  * bebob_terratec.c - a part of driver for BeBoB based devices
3  *
4  * Copyright (c) 2013-2014 Takashi Sakamoto
5  *
6  * Licensed under the terms of the GNU General Public License, version 2.
7  */
8
9 #include "./bebob.h"
10
11 static enum snd_bebob_clock_type phase88_rack_clk_src_types[] = {
12         SND_BEBOB_CLOCK_TYPE_INTERNAL,
13         SND_BEBOB_CLOCK_TYPE_EXTERNAL,  /* S/PDIF */
14         SND_BEBOB_CLOCK_TYPE_EXTERNAL,  /* Word Clock */
15 };
16 static int
17 phase88_rack_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
18 {
19         unsigned int enable_ext, enable_word;
20         int err;
21
22         err = avc_audio_get_selector(bebob->unit, 0, 9, &enable_ext);
23         if (err < 0)
24                 goto end;
25         err = avc_audio_get_selector(bebob->unit, 0, 8, &enable_word);
26         if (err < 0)
27                 goto end;
28
29         if (enable_ext == 0)
30                 *id = 0;
31         else if (enable_word == 0)
32                 *id = 1;
33         else
34                 *id = 2;
35 end:
36         return err;
37 }
38
39 static enum snd_bebob_clock_type phase24_series_clk_src_types[] = {
40         SND_BEBOB_CLOCK_TYPE_INTERNAL,
41         SND_BEBOB_CLOCK_TYPE_EXTERNAL,  /* S/PDIF */
42 };
43 static int
44 phase24_series_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
45 {
46         int err;
47
48         err = avc_audio_get_selector(bebob->unit, 0, 4, id);
49         if (err < 0)
50                 return err;
51
52         if (*id >= ARRAY_SIZE(phase24_series_clk_src_types))
53                 return -EIO;
54
55         return 0;
56 }
57
58 static const struct snd_bebob_rate_spec phase_series_rate_spec = {
59         .get    = &snd_bebob_stream_get_rate,
60         .set    = &snd_bebob_stream_set_rate,
61 };
62
63 /* PHASE 88 Rack FW */
64 static const struct snd_bebob_clock_spec phase88_rack_clk = {
65         .num    = ARRAY_SIZE(phase88_rack_clk_src_types),
66         .types  = phase88_rack_clk_src_types,
67         .get    = &phase88_rack_clk_src_get,
68 };
69 const struct snd_bebob_spec phase88_rack_spec = {
70         .clock  = &phase88_rack_clk,
71         .rate   = &phase_series_rate_spec,
72         .meter  = NULL
73 };
74
75 /* 'PHASE 24 FW' and 'PHASE X24 FW' */
76 static const struct snd_bebob_clock_spec phase24_series_clk = {
77         .num    = ARRAY_SIZE(phase24_series_clk_src_types),
78         .types  = phase24_series_clk_src_types,
79         .get    = &phase24_series_clk_src_get,
80 };
81 const struct snd_bebob_spec phase24_series_spec = {
82         .clock  = &phase24_series_clk,
83         .rate   = &phase_series_rate_spec,
84         .meter  = NULL
85 };