1 // SPDX-License-Identifier: GPL-2.0 2 // dice-weiss.c - a part of driver for DICE based devices 3 // 4 // Copyright (c) 2023 Rolf Anderegg and Michele Perrone 5 6 #include "dice.h" 7 8 struct 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 DAC 14 static 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 player 20 static 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 nterface 26 static 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 nterface 32 static 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 nputs 38 static 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 DAC 44 static 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 interface 50 static 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 interface 56 static 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 61 int 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