cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bebob_terratec.c (1286B)

      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
     10static 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};
     15static int
     16phase88_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;
     34end:
     35	return err;
     36}
     37
     38static 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 */
     44static 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};
     49const struct snd_bebob_spec phase88_rack_spec = {
     50	.clock	= &phase88_rack_clk,
     51	.rate	= &phase_series_rate_spec,
     52	.meter	= NULL
     53};