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
10 struct 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
16 static 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
snd_dice_detect_presonus_formats(struct snd_dice * dice)22 int 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 }
63