--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * dice-mytek.c - a part of driver for DICE based devices
+ *
+ * Copyright (c) 2018 Melvin Vermeeren
+ */
+
+#include "dice.h"
+
+struct dice_mytek_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];
+};
+
+static const struct dice_mytek_spec stereo_192_dsd_dac = {
+ /* AES, TOSLINK, SPDIF, ADAT inputs on device */
+ .tx_pcm_chs = {{8, 8, 8}, {0, 0, 0} },
+ /* PCM 44.1-192, native DSD64/DSD128 to device */
+ .rx_pcm_chs = {{4, 4, 4}, {0, 0, 0} }
+};
+
+/*
+ * Mytek has a few other firewire-capable devices, though newer models appear
+ * to lack the port more often than not. As I don't have access to any of them
+ * they are missing here. An example is the Mytek 8x192 ADDA, which is DICE.
+ */
+
+int snd_dice_detect_mytek_formats(struct snd_dice *dice)
+{
+ int i;
+ const struct dice_mytek_spec *dev;
+
+ dev = &stereo_192_dsd_dac;
+
+ memcpy(dice->tx_pcm_chs, dev->tx_pcm_chs,
+ MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
+ memcpy(dice->rx_pcm_chs, dev->rx_pcm_chs,
+ MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
+
+ for (i = 0; i < MAX_STREAMS; ++i) {
+ dice->tx_midi_ports[i] = 0;
+ dice->rx_midi_ports[i] = 0;
+ }
+
+ return 0;
+}
#define OUI_TCELECTRONIC 0x000166
#define OUI_ALESIS 0x000595
#define OUI_MAUDIO 0x000d6c
+#define OUI_MYTEK 0x001ee8
#define DICE_CATEGORY_ID 0x04
#define WEISS_CATEGORY_ID 0x00
.model_id = MODEL_ALESIS_IO_BOTH,
.driver_data = (kernel_ulong_t)snd_dice_detect_alesis_formats,
},
+ /* Mytek Stereo 192 DSD-DAC. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_MYTEK,
+ .model_id = 0x000002,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_mytek_formats,
+ },
{
.match_flags = IEEE1394_MATCH_VERSION,
.version = DICE_INTERFACE,