105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// dice-weiss.c - a part of driver for DICE based devices
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//
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// Copyright (c) 2023 Rolf Anderegg and Michele Perrone
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#include "dice.h"
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struct dice_weiss_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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// Weiss DAC202: 192kHz 2-channel DAC
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static const struct dice_weiss_spec dac202 = {
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.tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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.rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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};
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// Weiss MAN301: 192kHz 2-channel music archive network player
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static const struct dice_weiss_spec man301 = {
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.tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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.rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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};
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// Weiss INT202: 192kHz unidirectional 2-channel digital Firewire nterface
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static const struct dice_weiss_spec int202 = {
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.tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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.rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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};
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// Weiss INT203: 192kHz bidirectional 2-channel digital Firewire nterface
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static const struct dice_weiss_spec int203 = {
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.tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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.rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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};
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// Weiss ADC2: 192kHz A/D converter with microphone preamps and line nputs
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static const struct dice_weiss_spec adc2 = {
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.tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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.rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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};
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// Weiss DAC2/Minerva: 192kHz 2-channel DAC
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static const struct dice_weiss_spec dac2_minerva = {
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.tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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.rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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};
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// Weiss Vesta: 192kHz 2-channel Firewire to AES/EBU interface
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static const struct dice_weiss_spec vesta = {
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.tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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.rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
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};
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// Weiss AFI1: 192kHz 24-channel Firewire to ADAT or AES/EBU interface
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static const struct dice_weiss_spec afi1 = {
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.tx_pcm_chs = {{24, 16, 8}, {0, 0, 0} },
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.rx_pcm_chs = {{24, 16, 8}, {0, 0, 0} },
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};
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int snd_dice_detect_weiss_formats(struct snd_dice *dice)
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{
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static const struct {
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u32 model_id;
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const struct dice_weiss_spec *spec;
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} *entry, entries[] = {
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{0x000007, &dac202},
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{0x000008, &dac202}, // Maya edition: same audio I/O as DAC202.
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{0x000006, &int202},
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{0x00000a, &int203},
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{0x00000b, &man301},
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{0x000001, &adc2},
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{0x000003, &dac2_minerva},
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{0x000002, &vesta},
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{0x000004, &afi1},
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};
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struct fw_csr_iterator it;
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int key, val, model_id;
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int i;
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model_id = 0;
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fw_csr_iterator_init(&it, dice->unit->directory);
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while (fw_csr_iterator_next(&it, &key, &val)) {
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if (key == CSR_MODEL) {
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model_id = val;
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break;
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}
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}
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for (i = 0; i < ARRAY_SIZE(entries); ++i) {
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entry = entries + i;
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if (entry->model_id == model_id)
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break;
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}
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if (i == ARRAY_SIZE(entries))
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return -ENODEV;
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memcpy(dice->tx_pcm_chs, entry->spec->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, entry->spec->rx_pcm_chs,
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MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
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return 0;
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}
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