1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * bebob_terratec.c - a part of driver for BeBoB based devices
4  *
5  * Copyright (c) 2013-2014 Takashi Sakamoto
6  */
7 
8 #include "./bebob.h"
9 
10 static const enum snd_bebob_clock_type phase88_rack_clk_src_types[] = {
11 	SND_BEBOB_CLOCK_TYPE_INTERNAL,
12 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* S/PDIF */
13 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* Word Clock */
14 };
15 static int
16 phase88_rack_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
17 {
18 	unsigned int enable_ext, enable_word;
19 	int err;
20 
21 	err = avc_audio_get_selector(bebob->unit, 0, 9, &enable_ext);
22 	if (err < 0)
23 		goto end;
24 	err = avc_audio_get_selector(bebob->unit, 0, 8, &enable_word);
25 	if (err < 0)
26 		goto end;
27 
28 	if (enable_ext == 0)
29 		*id = 0;
30 	else if (enable_word == 0)
31 		*id = 1;
32 	else
33 		*id = 2;
34 end:
35 	return err;
36 }
37 
38 static const struct snd_bebob_rate_spec phase_series_rate_spec = {
39 	.get	= &snd_bebob_stream_get_rate,
40 	.set	= &snd_bebob_stream_set_rate,
41 };
42 
43 /* PHASE 88 Rack FW */
44 static const struct snd_bebob_clock_spec phase88_rack_clk = {
45 	.num	= ARRAY_SIZE(phase88_rack_clk_src_types),
46 	.types	= phase88_rack_clk_src_types,
47 	.get	= &phase88_rack_clk_src_get,
48 };
49 const struct snd_bebob_spec phase88_rack_spec = {
50 	.clock	= &phase88_rack_clk,
51 	.rate	= &phase_series_rate_spec,
52 	.meter	= NULL
53 };
54