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 };