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
10static const unsigned int
11alesis_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
16static const unsigned int
17alesis_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
22int 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, &reg,
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
54int 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