--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// dice-presonus.c - a part of driver for DICE based devices
+//
+// Copyright (c) 2019 Takashi Sakamoto
+//
+// Licensed under the terms of the GNU General Public License, version 2.
+
+#include "dice.h"
+
+struct dice_presonus_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_presonus_spec dice_presonus_firesutio = {
+ .tx_pcm_chs = {{16, 16, 0}, {10, 2, 0} },
+ .rx_pcm_chs = {{16, 16, 0}, {10, 2, 0} },
+ .has_midi = true,
+};
+
+int snd_dice_detect_presonus_formats(struct snd_dice *dice)
+{
+ static const struct {
+ u32 model_id;
+ const struct dice_presonus_spec *spec;
+ } *entry, entries[] = {
+ {0x000008, &dice_presonus_firesutio},
+ };
+ 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;
+}
#define OUI_MAUDIO 0x000d6c
#define OUI_MYTEK 0x001ee8
#define OUI_SSL 0x0050c2 // Actually ID reserved by IEEE.
+#define OUI_PRESONUS 0x000a92
#define DICE_CATEGORY_ID 0x04
#define WEISS_CATEGORY_ID 0x00
.vendor_id = OUI_SSL,
.model_id = 0x000070,
},
+ // Presonus FireStudio.
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_PRESONUS,
+ .model_id = 0x000008,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_presonus_formats,
+ },
{
.match_flags = IEEE1394_MATCH_VERSION,
.version = DICE_INTERFACE,