1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * dice-alesis.c - a part of driver for DICE based devices
4 *
5 * Copyright (c) 2018 Takashi Sakamoto
6 */
7
8 #include "dice.h"
9
10 static const unsigned int
11 alesis_io14_tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT] = {
12 {6, 6, 4}, /* Tx0 = Analog + S/PDIF. */
13 {8, 4, 0}, /* Tx1 = ADAT1. */
14 };
15
16 static const unsigned int
17 alesis_io26_tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT] = {
18 {10, 10, 4}, /* Tx0 = Analog + S/PDIF. */
19 {16, 4, 0}, /* Tx1 = ADAT1 + ADAT2 (available at low rate). */
20 };
21
22 int snd_dice_detect_alesis_formats(struct snd_dice *dice)
23 {
24 __be32 reg;
25 u32 data;
26 int i;
27 int err;
28
29 err = snd_dice_transaction_read_tx(dice, TX_NUMBER_AUDIO, ®,
30 sizeof(reg));
31 if (err < 0)
32 return err;
33 data = be32_to_cpu(reg);
34
35 if (data == 4 || data == 6) {
36 memcpy(dice->tx_pcm_chs, alesis_io14_tx_pcm_chs,
37 MAX_STREAMS * SND_DICE_RATE_MODE_COUNT *
38 sizeof(unsigned int));
39 } else {
40 memcpy(dice->tx_pcm_chs, alesis_io26_tx_pcm_chs,
41 MAX_STREAMS * SND_DICE_RATE_MODE_COUNT *
42 sizeof(unsigned int));
43 }
44
45 for (i = 0; i < SND_DICE_RATE_MODE_COUNT; ++i)
46 dice->rx_pcm_chs[0][i] = 8;
47
48 dice->tx_midi_ports[0] = 1;
49 dice->rx_midi_ports[0] = 1;
50
51 return 0;
52 }
53
54 int snd_dice_detect_alesis_mastercontrol_formats(struct snd_dice *dice)
55 {
56 int i;
57
58 dice->tx_pcm_chs[0][SND_DICE_RATE_MODE_LOW] = 16;
59 dice->tx_pcm_chs[1][SND_DICE_RATE_MODE_LOW] = 12;
60 dice->tx_pcm_chs[0][SND_DICE_RATE_MODE_MIDDLE] = 12;
61 dice->tx_pcm_chs[1][SND_DICE_RATE_MODE_MIDDLE] = 4;
62 dice->tx_pcm_chs[0][SND_DICE_RATE_MODE_HIGH] = 8;
63 dice->tx_pcm_chs[1][SND_DICE_RATE_MODE_HIGH] = 0;
64
65 for (i = 0; i < SND_DICE_RATE_MODE_COUNT; ++i) {
66 dice->rx_pcm_chs[0][i] = 6;
67 dice->rx_pcm_chs[1][i] = 0;
68 }
69
70 for (i = 0; i < MAX_STREAMS; ++i) {
71 dice->tx_midi_ports[i] = 2;
72 dice->rx_midi_ports[i] = 2;
73 }
74
75 return 0;
76 }
77
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