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
phase88_rack_clk_src_get(struct snd_bebob * bebob,unsigned int * id)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