mirror of https://gitee.com/openkylin/linux.git
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* dice-mytek.c - a part of driver for DICE based devices
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*
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* Copyright (c) 2018 Melvin Vermeeren
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*/
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#include "dice.h"
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struct dice_mytek_spec {
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unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
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unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
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};
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static const struct dice_mytek_spec stereo_192_dsd_dac = {
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/* AES, TOSLINK, SPDIF, ADAT inputs on device */
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.tx_pcm_chs = {{8, 8, 8}, {0, 0, 0} },
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/* PCM 44.1-192, native DSD64/DSD128 to device */
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.rx_pcm_chs = {{4, 4, 4}, {0, 0, 0} }
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};
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/*
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* Mytek has a few other firewire-capable devices, though newer models appear
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* to lack the port more often than not. As I don't have access to any of them
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* they are missing here. An example is the Mytek 8x192 ADDA, which is DICE.
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*/
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int snd_dice_detect_mytek_formats(struct snd_dice *dice)
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{
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int i;
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const struct dice_mytek_spec *dev;
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dev = &stereo_192_dsd_dac;
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memcpy(dice->tx_pcm_chs, dev->tx_pcm_chs,
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MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
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memcpy(dice->rx_pcm_chs, dev->rx_pcm_chs,
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MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
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for (i = 0; i < MAX_STREAMS; ++i) {
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dice->tx_midi_ports[i] = 0;
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dice->rx_midi_ports[i] = 0;
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}
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return 0;
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}
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