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1// SPDX-License-Identifier: GPL-2.02// dice-weiss.c - a part of driver for DICE based devices3//4// Copyright (c) 2023 Rolf Anderegg and Michele Perrone5 6#include "dice.h"7 8struct dice_weiss_spec {9 unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];10 unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];11};12 13// Weiss DAC202: 192kHz 2-channel DAC14static const struct dice_weiss_spec dac202 = {15 .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },16 .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },17};18 19// Weiss MAN301: 192kHz 2-channel music archive network player20static const struct dice_weiss_spec man301 = {21 .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },22 .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },23};24 25// Weiss INT202: 192kHz unidirectional 2-channel digital Firewire nterface26static const struct dice_weiss_spec int202 = {27 .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },28 .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },29};30 31// Weiss INT203: 192kHz bidirectional 2-channel digital Firewire nterface32static const struct dice_weiss_spec int203 = {33 .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },34 .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },35};36 37// Weiss ADC2: 192kHz A/D converter with microphone preamps and line nputs38static const struct dice_weiss_spec adc2 = {39 .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },40 .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },41};42 43// Weiss DAC2/Minerva: 192kHz 2-channel DAC44static const struct dice_weiss_spec dac2_minerva = {45 .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },46 .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },47};48 49// Weiss Vesta: 192kHz 2-channel Firewire to AES/EBU interface50static const struct dice_weiss_spec vesta = {51 .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },52 .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },53};54 55// Weiss AFI1: 192kHz 24-channel Firewire to ADAT or AES/EBU interface56static const struct dice_weiss_spec afi1 = {57 .tx_pcm_chs = {{24, 16, 8}, {0, 0, 0} },58 .rx_pcm_chs = {{24, 16, 8}, {0, 0, 0} },59};60 61int snd_dice_detect_weiss_formats(struct snd_dice *dice)62{63 static const struct {64 u32 model_id;65 const struct dice_weiss_spec *spec;66 } *entry, entries[] = {67 {0x000007, &dac202},68 {0x000008, &dac202}, // Maya edition: same audio I/O as DAC202.69 {0x000006, &int202},70 {0x00000a, &int203},71 {0x00000b, &man301},72 {0x000001, &adc2},73 {0x000003, &dac2_minerva},74 {0x000002, &vesta},75 {0x000004, &afi1},76 };77 struct fw_csr_iterator it;78 int key, val, model_id;79 int i;80 81 model_id = 0;82 fw_csr_iterator_init(&it, dice->unit->directory);83 while (fw_csr_iterator_next(&it, &key, &val)) {84 if (key == CSR_MODEL) {85 model_id = val;86 break;87 }88 }89 90 for (i = 0; i < ARRAY_SIZE(entries); ++i) {91 entry = entries + i;92 if (entry->model_id == model_id)93 break;94 }95 if (i == ARRAY_SIZE(entries))96 return -ENODEV;97 98 memcpy(dice->tx_pcm_chs, entry->spec->tx_pcm_chs,99 MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));100 memcpy(dice->rx_pcm_chs, entry->spec->rx_pcm_chs,101 MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));102 103 return 0;104}105