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kernel/linux-rt-4.4.41/sound/firewire/bebob/bebob_terratec.c 2.04 KB
5113f6f70   김현기   kernel add
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  /*
   * bebob_terratec.c - a part of driver for BeBoB based devices
   *
   * Copyright (c) 2013-2014 Takashi Sakamoto
   *
   * Licensed under the terms of the GNU General Public License, version 2.
   */
  
  #include "./bebob.h"
  
  static enum snd_bebob_clock_type phase88_rack_clk_src_types[] = {
  	SND_BEBOB_CLOCK_TYPE_INTERNAL,
  	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* S/PDIF */
  	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* Word Clock */
  };
  static int
  phase88_rack_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
  {
  	unsigned int enable_ext, enable_word;
  	int err;
  
  	err = avc_audio_get_selector(bebob->unit, 0, 9, &enable_ext);
  	if (err < 0)
  		goto end;
  	err = avc_audio_get_selector(bebob->unit, 0, 8, &enable_word);
  	if (err < 0)
  		goto end;
  
  	if (enable_ext == 0)
  		*id = 0;
  	else if (enable_word == 0)
  		*id = 1;
  	else
  		*id = 2;
  end:
  	return err;
  }
  
  static enum snd_bebob_clock_type phase24_series_clk_src_types[] = {
  	SND_BEBOB_CLOCK_TYPE_INTERNAL,
  	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* S/PDIF */
  };
  static int
  phase24_series_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
  {
  	int err;
  
  	err = avc_audio_get_selector(bebob->unit, 0, 4, id);
  	if (err < 0)
  		return err;
  
  	if (*id >= ARRAY_SIZE(phase24_series_clk_src_types))
  		return -EIO;
  
  	return 0;
  }
  
  static const struct snd_bebob_rate_spec phase_series_rate_spec = {
  	.get	= &snd_bebob_stream_get_rate,
  	.set	= &snd_bebob_stream_set_rate,
  };
  
  /* PHASE 88 Rack FW */
  static const struct snd_bebob_clock_spec phase88_rack_clk = {
  	.num	= ARRAY_SIZE(phase88_rack_clk_src_types),
  	.types	= phase88_rack_clk_src_types,
  	.get	= &phase88_rack_clk_src_get,
  };
  const struct snd_bebob_spec phase88_rack_spec = {
  	.clock	= &phase88_rack_clk,
  	.rate	= &phase_series_rate_spec,
  	.meter	= NULL
  };
  
  /* 'PHASE 24 FW' and 'PHASE X24 FW' */
  static const struct snd_bebob_clock_spec phase24_series_clk = {
  	.num	= ARRAY_SIZE(phase24_series_clk_src_types),
  	.types	= phase24_series_clk_src_types,
  	.get	= &phase24_series_clk_src_get,
  };
  const struct snd_bebob_spec phase24_series_spec = {
  	.clock	= &phase24_series_clk,
  	.rate	= &phase_series_rate_spec,
  	.meter	= NULL
  };