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