53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* dice-alesis.c - a part of driver for DICE based devices
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*
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* Copyright (c) 2018 Takashi Sakamoto
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*/
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#include "dice.h"
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static const unsigned int
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alesis_io14_tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT] = {
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{6, 6, 4}, /* Tx0 = Analog + S/PDIF. */
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{8, 4, 0}, /* Tx1 = ADAT1. */
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};
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static const unsigned int
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alesis_io26_tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT] = {
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{10, 10, 8}, /* Tx0 = Analog + S/PDIF. */
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{16, 8, 0}, /* Tx1 = ADAT1 + ADAT2. */
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};
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int snd_dice_detect_alesis_formats(struct snd_dice *dice)
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{
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__be32 reg;
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u32 data;
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int i;
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int err;
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err = snd_dice_transaction_read_tx(dice, TX_NUMBER_AUDIO, ®,
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sizeof(reg));
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if (err < 0)
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return err;
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data = be32_to_cpu(reg);
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if (data == 4 || data == 6) {
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memcpy(dice->tx_pcm_chs, alesis_io14_tx_pcm_chs,
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MAX_STREAMS * SND_DICE_RATE_MODE_COUNT *
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sizeof(unsigned int));
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} else {
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memcpy(dice->tx_pcm_chs, alesis_io26_tx_pcm_chs,
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MAX_STREAMS * SND_DICE_RATE_MODE_COUNT *
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sizeof(unsigned int));
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}
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for (i = 0; i < SND_DICE_RATE_MODE_COUNT; ++i)
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dice->rx_pcm_chs[0][i] = 8;
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dice->tx_midi_ports[0] = 1;
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dice->rx_midi_ports[0] = 1;
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return 0;
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}
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