1 files changed, 104 insertions, 0 deletions
diff --git a/sound/firewire/dice/dice-tcelectronic.c b/sound/firewire/dice/dice-tcelectronic.c
new file mode 100644
index 000000000000..a8875d24ba2a
--- /dev/null
+++ b/sound/firewire/dice/dice-tcelectronic.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * dice-tc_electronic.c - a part of driver for DICE based devices
+ *
+ * Copyright (c) 2018 Takashi Sakamoto
+ */
+
+#include "dice.h"
+
+struct dice_tc_spec {
+	unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
+	unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
+	bool has_midi;
+};
+
+static const struct dice_tc_spec desktop_konnekt6 = {
+	.tx_pcm_chs = {{6, 6, 2}, {0, 0, 0} },
+	.rx_pcm_chs = {{6, 6, 4}, {0, 0, 0} },
+	.has_midi = false,
+};
+
+static const struct dice_tc_spec impact_twin = {
+	.tx_pcm_chs = {{14, 10, 6}, {0, 0, 0} },
+	.rx_pcm_chs = {{14, 10, 6}, {0, 0, 0} },
+	.has_midi = true,
+};
+
+static const struct dice_tc_spec konnekt_8 = {
+	.tx_pcm_chs = {{4, 4, 3}, {0, 0, 0} },
+	.rx_pcm_chs = {{4, 4, 3}, {0, 0, 0} },
+	.has_midi = true,
+};
+
+static const struct dice_tc_spec konnekt_24d = {
+	.tx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
+	.rx_pcm_chs = {{16, 16, 6}, {0, 0, 0} },
+	.has_midi = true,
+};
+
+static const struct dice_tc_spec konnekt_live = {
+	.tx_pcm_chs = {{16, 16, 16}, {0, 0, 0} },
+	.rx_pcm_chs = {{16, 16, 16}, {0, 0, 0} },
+	.has_midi = true,
+};
+
+static const struct dice_tc_spec studio_konnekt_48 = {
+	.tx_pcm_chs = {{16, 16, 8}, {16, 16, 7} },
+	.rx_pcm_chs = {{16, 16, 8}, {14, 14, 7} },
+	.has_midi = true,
+};
+
+static const struct dice_tc_spec digital_konnekt_x32 = {
+	.tx_pcm_chs = {{16, 16, 4}, {0, 0, 0} },
+	.rx_pcm_chs = {{16, 16, 4}, {0, 0, 0} },
+	.has_midi = false,
+};
+
+int snd_dice_detect_tcelectronic_formats(struct snd_dice *dice)
+{
+	static const struct {
+		u32 model_id;
+		const struct dice_tc_spec *spec;
+	} *entry, entries[] = {
+		{0x00000020, &konnekt_24d},
+		{0x00000021, &konnekt_8},
+		{0x00000022, &studio_konnekt_48},
+		{0x00000023, &konnekt_live},
+		{0x00000024, &desktop_konnekt6},
+		{0x00000027, &impact_twin},
+		{0x00000030, &digital_konnekt_x32},
+	};
+	struct fw_csr_iterator it;
+	int key, val, model_id;
+	int i;
+
+	model_id = 0;
+	fw_csr_iterator_init(&it, dice->unit->directory);
+	while (fw_csr_iterator_next(&it, &key, &val)) {
+		if (key == CSR_MODEL) {
+			model_id = val;
+			break;
+		}
+	}
+
+	for (i = 0; i < ARRAY_SIZE(entries); ++i) {
+		entry = entries + i;
+		if (entry->model_id == model_id)
+			break;
+	}
+	if (i == ARRAY_SIZE(entries))
+		return -ENODEV;
+
+	memcpy(dice->tx_pcm_chs, entry->spec->tx_pcm_chs,
+	       MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
+	memcpy(dice->rx_pcm_chs, entry->spec->rx_pcm_chs,
+	       MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
+
+	if (entry->spec->has_midi) {
+		dice->tx_midi_ports[0] = 1;
+		dice->rx_midi_ports[0] = 1;
+	}
+
+	return 0;
+}