1 // SPDX-License-Identifier: GPL-2.0 2 // dice-presonus.c - a part of driver for DICE based devices 3 // 4 // Copyright (c) 2019 Takashi Sakamoto 5 6 #include "dice.h" 7 8 struct dice_presonus_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 bool has_midi; 12 }; 13 14 static const struct dice_presonus_spec dice_presonus_firesutio = { 15 .tx_pcm_chs = {{16, 16, 0}, {10, 2, 0} }, 16 .rx_pcm_chs = {{16, 16, 0}, {10, 2, 0} }, 17 .has_midi = true, 18 }; 19 20 int snd_dice_detect_presonus_formats(struct snd_dice *dice) 21 { 22 static const struct { 23 u32 model_id; 24 const struct dice_presonus_spec *spec; 25 } *entry, entries[] = { 26 {0x000008, &dice_presonus_firesutio}, 27 }; 28 struct fw_csr_iterator it; 29 int key, val, model_id; 30 int i; 31 32 model_id = 0; 33 fw_csr_iterator_init(&it, dice->unit->directory); 34 while (fw_csr_iterator_next(&it, &key, &val)) { 35 if (key == CSR_MODEL) { 36 model_id = val; 37 break; 38 } 39 } 40 41 for (i = 0; i < ARRAY_SIZE(entries); ++i) { 42 entry = entries + i; 43 if (entry->model_id == model_id) 44 break; 45 } 46 if (i == ARRAY_SIZE(entries)) 47 return -ENODEV; 48 49 memcpy(dice->tx_pcm_chs, entry->spec->tx_pcm_chs, 50 MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int)); 51 memcpy(dice->rx_pcm_chs, entry->spec->rx_pcm_chs, 52 MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int)); 53 54 if (entry->spec->has_midi) { 55 dice->tx_midi_ports[0] = 1; 56 dice->rx_midi_ports[0] = 1; 57 } 58 59 return 0; 60 } 61