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-rw-r--r--sound/firewire/dice/dice-alesis.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/sound/firewire/dice/dice-alesis.c b/sound/firewire/dice/dice-alesis.c
new file mode 100644
index 000000000000..b2efb1c71a98
--- /dev/null
+++ b/sound/firewire/dice/dice-alesis.c
@@ -0,0 +1,52 @@
+// 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, 8}, /* Tx0 = Analog + S/PDIF. */
+ {16, 8, 0}, /* Tx1 = ADAT1 + ADAT2. */
+};
+
+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, &reg,
+ 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->rx_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;
+}

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