dice-tcelectronic.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * dice-tc_electronic.c - a part of driver for DICE based devices
  4 *
  5 * Copyright (c) 2018 Takashi Sakamoto
  6 */
  7
  8#include "dice.h"
  9
 10struct dice_tc_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_tc_spec desktop_konnekt6 = {
 17	.tx_pcm_chs = {{6, 6, 2}, {0, 0, 0} },
 18	.rx_pcm_chs = {{6, 6, 4}, {0, 0, 0} },
 19	.has_midi = false,
 20};
 21
 22static const struct dice_tc_spec impact_twin = {
 23	.tx_pcm_chs = {{14, 10, 6}, {0, 0, 0} },
 24	.rx_pcm_chs = {{14, 10, 6}, {0, 0, 0} },
 25	.has_midi = true,
 26};
 27
 28static const struct dice_tc_spec konnekt_8 = {
 29	.tx_pcm_chs = {{4, 4, 3}, {0, 0, 0} },
 30	.rx_pcm_chs = {{4, 4, 3}, {0, 0, 0} },
 31	.has_midi = true,
 32};
 33
 34static const struct dice_tc_spec konnekt_24d = {
 35	.tx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
 36	.rx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
 37	.has_midi = true,
 38};
 39
 40static const struct dice_tc_spec konnekt_live = {
 41	.tx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
 42	.rx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
 43	.has_midi = true,
 44};
 45
 46static const struct dice_tc_spec studio_konnekt_48 = {
 47	.tx_pcm_chs = {{16, 16, 8}, {16, 16, 7} },
 48	.rx_pcm_chs = {{16, 16, 8}, {14, 14, 7} },
 49	.has_midi = true,
 50};
 51
 52static const struct dice_tc_spec digital_konnekt_x32 = {
 53	.tx_pcm_chs = {{16, 16, 4}, {0, 0, 0} },
 54	.rx_pcm_chs = {{16, 16, 4}, {0, 0, 0} },
 55	.has_midi = false,
 56};
 57
 58int snd_dice_detect_tcelectronic_formats(struct snd_dice *dice)
 59{
 60	static const struct {
 61		u32 model_id;
 62		const struct dice_tc_spec *spec;
 63	} *entry, entries[] = {
 64		{0x00000020, &konnekt_24d},
 65		{0x00000021, &konnekt_8},
 66		{0x00000022, &studio_konnekt_48},
 67		{0x00000023, &konnekt_live},
 68		{0x00000024, &desktop_konnekt6},
 69		{0x00000027, &impact_twin},
 70		{0x00000030, &digital_konnekt_x32},
 71	};
 72	struct fw_csr_iterator it;
 73	int key, val, model_id;
 74	int i;
 75
 76	model_id = 0;
 77	fw_csr_iterator_init(&it, dice->unit->directory);
 78	while (fw_csr_iterator_next(&it, &key, &val)) {
 79		if (key == CSR_MODEL) {
 80			model_id = val;
 81			break;
 82		}
 83	}
 84
 85	for (i = 0; i < ARRAY_SIZE(entries); ++i) {
 86		entry = entries + i;
 87		if (entry->model_id == model_id)
 88			break;
 89	}
 90	if (i == ARRAY_SIZE(entries))
 91		return -ENODEV;
 92
 93	memcpy(dice->tx_pcm_chs, entry->spec->tx_pcm_chs,
 94	       MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
 95	memcpy(dice->rx_pcm_chs, entry->spec->rx_pcm_chs,
 96	       MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
 97
 98	if (entry->spec->has_midi) {
 99		dice->tx_midi_ports[0] = 1;
100		dice->rx_midi_ports[0] = 1;
101	}
102
103	return 0;
104}