4 files changed, 41 insertions, 1 deletions
diff --git a/sound/firewire/dice/Makefile b/sound/firewire/dice/Makefile
index 7a62dafd0f78..9bf7b960a720 100644
--- a/sound/firewire/dice/Makefile
+++ b/sound/firewire/dice/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 snd-dice-objs := dice-transaction.o dice-stream.o dice-proc.o dice-midi.o \
 		 dice-pcm.o dice-hwdep.o dice.o dice-tcelectronic.o \
-		 dice-alesis.o dice-extension.o dice-mytek.o dice-presonus.o
+		 dice-alesis.o dice-extension.o dice-mytek.o dice-presonus.o \
+		 dice-harman.o
 obj-$(CONFIG_SND_DICE) += snd-dice.o
diff --git a/sound/firewire/dice/dice-harman.c b/sound/firewire/dice/dice-harman.c
new file mode 100644
index 000000000000..a8ca00c397e8
--- /dev/null
+++ b/sound/firewire/dice/dice-harman.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+// dice-harman.c - a part of driver for DICE based devices
+//
+// Copyright (c) 2021 Takashi Sakamoto
+//
+// Licensed under the terms of the GNU General Public License, version 2.
+
+#include "dice.h"
+
+int snd_dice_detect_harman_formats(struct snd_dice *dice)
+{
+	int i;
+
+	// Lexicon I-ONYX FW810s supports sampling transfer frequency up to
+	// 96.0 kHz, 12 PCM channels and 1 MIDI channel in its first tx stream
+	// , 10 PCM channels and 1 MIDI channel in its first rx stream for all
+	// of the frequencies.
+	for (i = 0; i < 2; ++i) {
+		dice->tx_pcm_chs[0][i] = 12;
+		dice->tx_midi_ports[0] = 1;
+		dice->rx_pcm_chs[0][i] = 10;
+		dice->rx_midi_ports[0] = 1;
+	}
+
+	return 0;
+}
diff --git a/sound/firewire/dice/dice.c b/sound/firewire/dice/dice.c
index 06c94f009dfb..107a81691f0e 100644
--- a/sound/firewire/dice/dice.c
+++ b/sound/firewire/dice/dice.c
@@ -20,10 +20,12 @@ MODULE_LICENSE("GPL v2");
 #define OUI_MYTEK		0x001ee8
 #define OUI_SSL			0x0050c2	// Actually ID reserved by IEEE.
 #define OUI_PRESONUS		0x000a92
+#define OUI_HARMAN		0x000fd7
 
 #define DICE_CATEGORY_ID	0x04
 #define WEISS_CATEGORY_ID	0x00
 #define LOUD_CATEGORY_ID	0x10
+#define HARMAN_CATEGORY_ID	0x20
 
 #define MODEL_ALESIS_IO_BOTH	0x000001
 
@@ -56,6 +58,8 @@ static int check_dice_category(struct fw_unit *unit)
 		category = WEISS_CATEGORY_ID;
 	else if (vendor == OUI_LOUD)
 		category = LOUD_CATEGORY_ID;
+	else if (vendor == OUI_HARMAN)
+		category = HARMAN_CATEGORY_ID;
 	else
 		category = DICE_CATEGORY_ID;
 	if (device->config_rom[3] != ((vendor << 8) | category) ||
@@ -388,6 +392,14 @@ static const struct ieee1394_device_id dice_id_table[] = {
 		.model_id	= 0x000008,
 		.driver_data	= (kernel_ulong_t)snd_dice_detect_presonus_formats,
 	},
+	// Lexicon I-ONYX FW810S.
+	{
+		.match_flags	= IEEE1394_MATCH_VENDOR_ID |
+				  IEEE1394_MATCH_MODEL_ID,
+		.vendor_id	= OUI_HARMAN,
+		.model_id	= 0x000001,
+		.driver_data	= (kernel_ulong_t)snd_dice_detect_harman_formats,
+	},
 	{
 		.match_flags = IEEE1394_MATCH_VERSION,
 		.version     = DICE_INTERFACE,
diff --git a/sound/firewire/dice/dice.h b/sound/firewire/dice/dice.h
index 7fbffcab94c2..adc6f7c84460 100644
--- a/sound/firewire/dice/dice.h
+++ b/sound/firewire/dice/dice.h
@@ -233,5 +233,6 @@ int snd_dice_detect_alesis_mastercontrol_formats(struct snd_dice *dice);
 int snd_dice_detect_extension_formats(struct snd_dice *dice);
 int snd_dice_detect_mytek_formats(struct snd_dice *dice);
 int snd_dice_detect_presonus_formats(struct snd_dice *dice);
+int snd_dice_detect_harman_formats(struct snd_dice *dice);
 
 #endif