linux/sound/firewire/dice/dice-mytek.c

47 lines
1.3 KiB
C

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