Release 4.7 sound/firewire/bebob/bebob_terratec.c

/*
 * 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;
}

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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;
}

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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
};
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Directory: sound/firewire/bebob

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