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 const 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 const struct snd_bebob_rate_spec phase_series_rate_spec = {
40 	.get	= &snd_bebob_stream_get_rate,
41 	.set	= &snd_bebob_stream_set_rate,
42 };
43 
44 /* PHASE 88 Rack FW */
45 static const struct snd_bebob_clock_spec phase88_rack_clk = {
46 	.num	= ARRAY_SIZE(phase88_rack_clk_src_types),
47 	.types	= phase88_rack_clk_src_types,
48 	.get	= &phase88_rack_clk_src_get,
49 };
50 const struct snd_bebob_spec phase88_rack_spec = {
51 	.clock	= &phase88_rack_clk,
52 	.rate	= &phase_series_rate_spec,
53 	.meter	= NULL
54 };
55