dice-presonus.c (1561B)
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// Licensed under the terms of the GNU General Public License, version 2. 7 8#include "dice.h" 9 10struct dice_presonus_spec { 11 unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT]; 12 unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT]; 13 bool has_midi; 14}; 15 16static const struct dice_presonus_spec dice_presonus_firesutio = { 17 .tx_pcm_chs = {{16, 16, 0}, {10, 2, 0} }, 18 .rx_pcm_chs = {{16, 16, 0}, {10, 2, 0} }, 19 .has_midi = true, 20}; 21 22int snd_dice_detect_presonus_formats(struct snd_dice *dice) 23{ 24 static const struct { 25 u32 model_id; 26 const struct dice_presonus_spec *spec; 27 } *entry, entries[] = { 28 {0x000008, &dice_presonus_firesutio}, 29 }; 30 struct fw_csr_iterator it; 31 int key, val, model_id; 32 int i; 33 34 model_id = 0; 35 fw_csr_iterator_init(&it, dice->unit->directory); 36 while (fw_csr_iterator_next(&it, &key, &val)) { 37 if (key == CSR_MODEL) { 38 model_id = val; 39 break; 40 } 41 } 42 43 for (i = 0; i < ARRAY_SIZE(entries); ++i) { 44 entry = entries + i; 45 if (entry->model_id == model_id) 46 break; 47 } 48 if (i == ARRAY_SIZE(entries)) 49 return -ENODEV; 50 51 memcpy(dice->tx_pcm_chs, entry->spec->tx_pcm_chs, 52 MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int)); 53 memcpy(dice->rx_pcm_chs, entry->spec->rx_pcm_chs, 54 MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int)); 55 56 if (entry->spec->has_midi) { 57 dice->tx_midi_ports[0] = 1; 58 dice->rx_midi_ports[0] = 1; 59 } 60 61 return 0; 62}