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}
105