--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// dice-weiss.c - a part of driver for DICE based devices
+//
+// Copyright (c) 2023 Rolf Anderegg and Michele Perrone
+
+#include "dice.h"
+
+struct dice_weiss_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];
+};
+
+// Weiss DAC202: 192kHz 2-channel DAC
+static const struct dice_weiss_spec dac202 = {
+       .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+       .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+};
+
+// Weiss MAN301: 192kHz 2-channel music archive network player
+static const struct dice_weiss_spec man301 = {
+       .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+       .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+};
+
+// Weiss INT202: 192kHz unidirectional 2-channel digital Firewire nterface
+static const struct dice_weiss_spec int202 = {
+       .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+       .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+};
+
+// Weiss INT203: 192kHz bidirectional 2-channel digital Firewire nterface
+static const struct dice_weiss_spec int203 = {
+       .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+       .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+};
+
+// Weiss ADC2: 192kHz A/D converter with microphone preamps and line nputs
+static const struct dice_weiss_spec adc2 = {
+       .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+       .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+};
+
+// Weiss DAC2/Minerva: 192kHz 2-channel DAC
+static const struct dice_weiss_spec dac2_minerva = {
+       .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+       .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+};
+
+// Weiss Vesta: 192kHz 2-channel Firewire to AES/EBU interface
+static const struct dice_weiss_spec vesta = {
+       .tx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+       .rx_pcm_chs = {{2, 2, 2}, {0, 0, 0} },
+};
+
+// Weiss AFI1: 192kHz 24-channel Firewire to ADAT or AES/EBU interface
+static const struct dice_weiss_spec afi1 = {
+       .tx_pcm_chs = {{24, 16, 8}, {0, 0, 0} },
+       .rx_pcm_chs = {{24, 16, 8}, {0, 0, 0} },
+};
+
+int snd_dice_detect_weiss_formats(struct snd_dice *dice)
+{
+       static const struct {
+               u32 model_id;
+               const struct dice_weiss_spec *spec;
+       } *entry, entries[] = {
+               {0x000007, &dac202},
+               {0x000008, &dac202}, // Maya edition: same audio I/O as DAC202.
+               {0x000006, &int202},
+               {0x00000a, &int203},
+               {0x00000b, &man301},
+               {0x000001, &adc2},
+               {0x000003, &dac2_minerva},
+               {0x000002, &vesta},
+               {0x000004, &afi1},
+       };
+       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));
+
+       return 0;
+}
 
                .model_id       = 0x0000de,
                .driver_data    = (kernel_ulong_t)snd_dice_detect_focusrite_pro40_tcd3070_formats,
        },
+       // Weiss DAC202: 192kHz 2-channel DAC
+       {
+               .match_flags    = IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID,
+               .vendor_id      = OUI_WEISS,
+               .model_id       = 0x000007,
+               .driver_data    = (kernel_ulong_t)snd_dice_detect_weiss_formats,
+       },
+       // Weiss DAC202: 192kHz 2-channel DAC (Maya edition)
+       {
+               .match_flags    = IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID,
+               .vendor_id      = OUI_WEISS,
+               .model_id       = 0x000008,
+               .driver_data    = (kernel_ulong_t)snd_dice_detect_weiss_formats,
+       },
+       // Weiss MAN301: 192kHz 2-channel music archive network player
+       {
+               .match_flags    = IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID,
+               .vendor_id      = OUI_WEISS,
+               .model_id       = 0x00000b,
+               .driver_data    = (kernel_ulong_t)snd_dice_detect_weiss_formats,
+       },
+       // Weiss INT202: 192kHz unidirectional 2-channel digital Firewire face
+       {
+               .match_flags    = IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID,
+               .vendor_id      = OUI_WEISS,
+               .model_id       = 0x000006,
+               .driver_data    = (kernel_ulong_t)snd_dice_detect_weiss_formats,
+       },
+       // Weiss INT203: 192kHz bidirectional 2-channel digital Firewire face
+       {
+               .match_flags    = IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID,
+               .vendor_id      = OUI_WEISS,
+               .model_id       = 0x00000a,
+               .driver_data    = (kernel_ulong_t)snd_dice_detect_weiss_formats,
+       },
+       // Weiss ADC2: 192kHz A/D converter with microphone preamps and inputs
+       {
+               .match_flags    = IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID,
+               .vendor_id      = OUI_WEISS,
+               .model_id       = 0x000001,
+               .driver_data    = (kernel_ulong_t)snd_dice_detect_weiss_formats,
+       },
+       // Weiss DAC2/Minerva: 192kHz 2-channel DAC
+       {
+               .match_flags    = IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID,
+               .vendor_id      = OUI_WEISS,
+               .model_id       = 0x000003,
+               .driver_data    = (kernel_ulong_t)snd_dice_detect_weiss_formats,
+       },
+       // Weiss Vesta: 192kHz 2-channel Firewire to AES/EBU interface
+       {
+               .match_flags    = IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID,
+               .vendor_id      = OUI_WEISS,
+               .model_id       = 0x000002,
+               .driver_data    = (kernel_ulong_t)snd_dice_detect_weiss_formats,
+       },
+       // Weiss AFI1: 192kHz 24-channel Firewire to ADAT or AES/EBU face
+       {
+               .match_flags    = IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID,
+               .vendor_id      = OUI_WEISS,
+               .model_id       = 0x000004,
+               .driver_data    = (kernel_ulong_t)snd_dice_detect_weiss_formats,
+       },
        {
                .match_flags = IEEE1394_MATCH_VERSION,
                .version     = DICE_INTERFACE,