// SPDX-License-Identifier: GPL-2.0 // dice-presonus.c - a part of driver for DICE based devices // // Copyright (c) 2019 Takashi Sakamoto #include "dice.h" struct dice_presonus_spec { unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT]; unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT]; bool has_midi; }; static const struct dice_presonus_spec dice_presonus_firesutio = { .tx_pcm_chs = {{16, 16, 0}, {10, 2, 0} }, .rx_pcm_chs = {{16, 16, 0}, {10, 2, 0} }, .has_midi = true, }; int snd_dice_detect_presonus_formats(struct snd_dice *dice) { static const struct { u32 model_id; const struct dice_presonus_spec *spec; } *entry, entries[] = { {0x000008, &dice_presonus_firesutio}, }; struct fw_csr_iterator it; int key, val, model_id; int i; model_id = 0; fw_csr_iterator_init(&it, dice->unit->directory); while (fw_csr_iterator_next(&it, &key, &val)) { if (key == CSR_MODEL) { model_id = val; break; } } for (i = 0; i < ARRAY_SIZE(entries); ++i) { entry = entries + i; if (entry->model_id == model_id) break; } if (i == ARRAY_SIZE(entries)) return -ENODEV; memcpy(dice->tx_pcm_chs, entry->spec->tx_pcm_chs, MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int)); memcpy(dice->rx_pcm_chs, entry->spec->rx_pcm_chs, MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int)); if (entry->spec->has_midi) { dice->tx_midi_ports[0] = 1; dice->rx_midi_ports[0] = 1; } return 0; }