ALSA: dice: add parameters of stream formats for models produced by TC Electronic

[linux-2.6-microblaze.git] / sound / firewire / dice / dice-tcelectronic.c

diff --git a/sound/firewire/dice/dice-tcelectronic.c b/sound/firewire/dice/dice-tcelectronic.c
new file mode 100644 (file)
index 0000000..af8203b
--- /dev/null
+++ b/sound/firewire/dice/dice-tcelectronic.c
@@ -0,0 +1,100 @@
+// 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, 16}, {16, 16, 0} },
+       .rx_pcm_chs = {{16, 16, 16}, {16, 16, 0} },
+       .has_midi = true,
+};
+
+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},
+       };
+       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;
+               }
+       }
+
+       entry = NULL;
+       for (i = 0; i < ARRAY_SIZE(entries); ++i) {
+               entry = entries + i;
+               if (entry->model_id == model_id)
+                       break;
+       }
+       if (!entry)
+               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));
+
+       for (i = 0; i < MAX_STREAMS; ++i) {
+               if (entry->spec->has_midi) {
+                       dice->tx_midi_ports[i] = 1;
+                       dice->rx_midi_ports[i] = 1;
+               }
+       }
+
+       return 0;
+}