1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * dice-mytek.c - a part of driver for DICE based devices |
4 | * |
5 | * Copyright (c) 2018 Melvin Vermeeren |
6 | */ |
7 | |
8 | #include "dice.h" |
9 | |
10 | struct dice_mytek_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 | }; |
14 | |
15 | static const struct dice_mytek_spec stereo_192_dsd_dac = { |
16 | /* AES, TOSLINK, SPDIF, ADAT inputs on device */ |
17 | .tx_pcm_chs = {{8, 8, 8}, {0, 0, 0} }, |
18 | /* PCM 44.1-192, native DSD64/DSD128 to device */ |
19 | .rx_pcm_chs = {{4, 4, 4}, {0, 0, 0} } |
20 | }; |
21 | |
22 | /* |
23 | * Mytek has a few other firewire-capable devices, though newer models appear |
24 | * to lack the port more often than not. As I don't have access to any of them |
25 | * they are missing here. An example is the Mytek 8x192 ADDA, which is DICE. |
26 | */ |
27 | |
28 | int snd_dice_detect_mytek_formats(struct snd_dice *dice) |
29 | { |
30 | int i; |
31 | const struct dice_mytek_spec *dev; |
32 | |
33 | dev = &stereo_192_dsd_dac; |
34 | |
35 | memcpy(dice->tx_pcm_chs, dev->tx_pcm_chs, |
36 | MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int)); |
37 | memcpy(dice->rx_pcm_chs, dev->rx_pcm_chs, |
38 | MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int)); |
39 | |
40 | for (i = 0; i < MAX_STREAMS; ++i) { |
41 | dice->tx_midi_ports[i] = 0; |
42 | dice->rx_midi_ports[i] = 0; |
43 | } |
44 | |
45 | return 0; |
46 | } |
47 | |