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-rw-r--r--sound/firewire/dice/dice.c489
1 files changed, 489 insertions, 0 deletions
diff --git a/sound/firewire/dice/dice.c b/sound/firewire/dice/dice.c
new file mode 100644
index 0000000000..d362e4251c
--- /dev/null
+++ b/sound/firewire/dice/dice.c
@@ -0,0 +1,489 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * TC Applied Technologies Digital Interface Communications Engine driver
+ *
+ * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
+ */
+
+#include "dice.h"
+
+MODULE_DESCRIPTION("DICE driver");
+MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
+MODULE_LICENSE("GPL");
+
+#define OUI_WEISS 0x001c6a
+#define OUI_LOUD 0x000ff2
+#define OUI_FOCUSRITE 0x00130e
+#define OUI_TCELECTRONIC 0x000166
+#define OUI_ALESIS 0x000595
+#define OUI_MAUDIO 0x000d6c
+#define OUI_MYTEK 0x001ee8
+#define OUI_SSL 0x0050c2 // Actually ID reserved by IEEE.
+#define OUI_PRESONUS 0x000a92
+#define OUI_HARMAN 0x000fd7
+#define OUI_AVID 0x00a07e
+
+#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
+
+static int check_dice_category(struct fw_unit *unit)
+{
+ struct fw_device *device = fw_parent_device(unit);
+ struct fw_csr_iterator it;
+ int key, val, vendor = -1, model = -1;
+ unsigned int category;
+
+ /*
+ * Check that GUID and unit directory are constructed according to DICE
+ * rules, i.e., that the specifier ID is the GUID's OUI, and that the
+ * GUID chip ID consists of the 8-bit category ID, the 10-bit product
+ * ID, and a 22-bit serial number.
+ */
+ fw_csr_iterator_init(&it, unit->directory);
+ while (fw_csr_iterator_next(&it, &key, &val)) {
+ switch (key) {
+ case CSR_SPECIFIER_ID:
+ vendor = val;
+ break;
+ case CSR_MODEL:
+ model = val;
+ break;
+ }
+ }
+
+ if (vendor == OUI_WEISS)
+ 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) ||
+ device->config_rom[4] >> 22 != model)
+ return -ENODEV;
+
+ return 0;
+}
+
+static int check_clock_caps(struct snd_dice *dice)
+{
+ __be32 value;
+ int err;
+
+ /* some very old firmwares don't tell about their clock support */
+ if (dice->clock_caps > 0) {
+ err = snd_dice_transaction_read_global(dice,
+ GLOBAL_CLOCK_CAPABILITIES,
+ &value, 4);
+ if (err < 0)
+ return err;
+ dice->clock_caps = be32_to_cpu(value);
+ } else {
+ /* this should be supported by any device */
+ dice->clock_caps = CLOCK_CAP_RATE_44100 |
+ CLOCK_CAP_RATE_48000 |
+ CLOCK_CAP_SOURCE_ARX1 |
+ CLOCK_CAP_SOURCE_INTERNAL;
+ }
+
+ return 0;
+}
+
+static void dice_card_strings(struct snd_dice *dice)
+{
+ struct snd_card *card = dice->card;
+ struct fw_device *dev = fw_parent_device(dice->unit);
+ char vendor[32], model[32];
+ unsigned int i;
+ int err;
+
+ strcpy(card->driver, "DICE");
+
+ strcpy(card->shortname, "DICE");
+ BUILD_BUG_ON(NICK_NAME_SIZE < sizeof(card->shortname));
+ err = snd_dice_transaction_read_global(dice, GLOBAL_NICK_NAME,
+ card->shortname,
+ sizeof(card->shortname));
+ if (err >= 0) {
+ /* DICE strings are returned in "always-wrong" endianness */
+ BUILD_BUG_ON(sizeof(card->shortname) % 4 != 0);
+ for (i = 0; i < sizeof(card->shortname); i += 4)
+ swab32s((u32 *)&card->shortname[i]);
+ card->shortname[sizeof(card->shortname) - 1] = '\0';
+ }
+
+ strcpy(vendor, "?");
+ fw_csr_string(dev->config_rom + 5, CSR_VENDOR, vendor, sizeof(vendor));
+ strcpy(model, "?");
+ fw_csr_string(dice->unit->directory, CSR_MODEL, model, sizeof(model));
+ snprintf(card->longname, sizeof(card->longname),
+ "%s %s (serial %u) at %s, S%d",
+ vendor, model, dev->config_rom[4] & 0x3fffff,
+ dev_name(&dice->unit->device), 100 << dev->max_speed);
+
+ strcpy(card->mixername, "DICE");
+}
+
+static void dice_card_free(struct snd_card *card)
+{
+ struct snd_dice *dice = card->private_data;
+
+ snd_dice_stream_destroy_duplex(dice);
+ snd_dice_transaction_destroy(dice);
+
+ mutex_destroy(&dice->mutex);
+ fw_unit_put(dice->unit);
+}
+
+static int dice_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry)
+{
+ struct snd_card *card;
+ struct snd_dice *dice;
+ snd_dice_detect_formats_t detect_formats;
+ int err;
+
+ if (!entry->driver_data && entry->vendor_id != OUI_SSL) {
+ err = check_dice_category(unit);
+ if (err < 0)
+ return -ENODEV;
+ }
+
+ err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, sizeof(*dice), &card);
+ if (err < 0)
+ return err;
+ card->private_free = dice_card_free;
+
+ dice = card->private_data;
+ dice->unit = fw_unit_get(unit);
+ dev_set_drvdata(&unit->device, dice);
+ dice->card = card;
+
+ if (!entry->driver_data)
+ detect_formats = snd_dice_stream_detect_current_formats;
+ else
+ detect_formats = (snd_dice_detect_formats_t)entry->driver_data;
+
+ // Below models are compliant to IEC 61883-1/6 and have no quirk at high sampling transfer
+ // frequency.
+ // * Avid M-Box 3 Pro
+ // * M-Audio Profire 610
+ // * M-Audio Profire 2626
+ if (entry->vendor_id == OUI_MAUDIO || entry->vendor_id == OUI_AVID)
+ dice->disable_double_pcm_frames = true;
+
+ spin_lock_init(&dice->lock);
+ mutex_init(&dice->mutex);
+ init_completion(&dice->clock_accepted);
+ init_waitqueue_head(&dice->hwdep_wait);
+
+ err = snd_dice_transaction_init(dice);
+ if (err < 0)
+ goto error;
+
+ err = check_clock_caps(dice);
+ if (err < 0)
+ goto error;
+
+ dice_card_strings(dice);
+
+ err = detect_formats(dice);
+ if (err < 0)
+ goto error;
+
+ err = snd_dice_stream_init_duplex(dice);
+ if (err < 0)
+ goto error;
+
+ snd_dice_create_proc(dice);
+
+ err = snd_dice_create_pcm(dice);
+ if (err < 0)
+ goto error;
+
+ err = snd_dice_create_midi(dice);
+ if (err < 0)
+ goto error;
+
+ err = snd_dice_create_hwdep(dice);
+ if (err < 0)
+ goto error;
+
+ err = snd_card_register(card);
+ if (err < 0)
+ goto error;
+
+ return 0;
+error:
+ snd_card_free(card);
+ return err;
+}
+
+static void dice_remove(struct fw_unit *unit)
+{
+ struct snd_dice *dice = dev_get_drvdata(&unit->device);
+
+ // Block till all of ALSA character devices are released.
+ snd_card_free(dice->card);
+}
+
+static void dice_bus_reset(struct fw_unit *unit)
+{
+ struct snd_dice *dice = dev_get_drvdata(&unit->device);
+
+ /* The handler address register becomes initialized. */
+ snd_dice_transaction_reinit(dice);
+
+ mutex_lock(&dice->mutex);
+ snd_dice_stream_update_duplex(dice);
+ mutex_unlock(&dice->mutex);
+}
+
+#define DICE_INTERFACE 0x000001
+
+#define DICE_DEV_ENTRY_TYPICAL(vendor, model, data) \
+ { \
+ .match_flags = IEEE1394_MATCH_VENDOR_ID | \
+ IEEE1394_MATCH_MODEL_ID | \
+ IEEE1394_MATCH_SPECIFIER_ID | \
+ IEEE1394_MATCH_VERSION, \
+ .vendor_id = (vendor), \
+ .model_id = (model), \
+ .specifier_id = (vendor), \
+ .version = DICE_INTERFACE, \
+ .driver_data = (kernel_ulong_t)(data), \
+ }
+
+static const struct ieee1394_device_id dice_id_table[] = {
+ // Avid M-Box 3 Pro. To match in probe function.
+ DICE_DEV_ENTRY_TYPICAL(OUI_AVID, 0x000004, snd_dice_detect_extension_formats),
+ /* M-Audio Profire 2626 has a different value in version field. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_MAUDIO,
+ .model_id = 0x000010,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_extension_formats,
+ },
+ /* M-Audio Profire 610 has a different value in version field. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_MAUDIO,
+ .model_id = 0x000011,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_extension_formats,
+ },
+ /* TC Electronic Konnekt 24D. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_TCELECTRONIC,
+ .model_id = 0x000020,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_tcelectronic_formats,
+ },
+ /* TC Electronic Konnekt 8. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_TCELECTRONIC,
+ .model_id = 0x000021,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_tcelectronic_formats,
+ },
+ /* TC Electronic Studio Konnekt 48. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_TCELECTRONIC,
+ .model_id = 0x000022,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_tcelectronic_formats,
+ },
+ /* TC Electronic Konnekt Live. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_TCELECTRONIC,
+ .model_id = 0x000023,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_tcelectronic_formats,
+ },
+ /* TC Electronic Desktop Konnekt 6. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_TCELECTRONIC,
+ .model_id = 0x000024,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_tcelectronic_formats,
+ },
+ /* TC Electronic Impact Twin. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_TCELECTRONIC,
+ .model_id = 0x000027,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_tcelectronic_formats,
+ },
+ /* TC Electronic Digital Konnekt x32. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_TCELECTRONIC,
+ .model_id = 0x000030,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_tcelectronic_formats,
+ },
+ /* Alesis iO14/iO26. */
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_ALESIS,
+ .model_id = MODEL_ALESIS_IO_BOTH,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_alesis_formats,
+ },
+ // Alesis MasterControl.
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_ALESIS,
+ .model_id = 0x000002,
+ .driver_data = (kernel_ulong_t)snd_dice_detect_alesis_mastercontrol_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,
+ },
+ // Solid State Logic, Duende Classic and Mini.
+ // NOTE: each field of GUID in config ROM is not compliant to standard
+ // DICE scheme.
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .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,
+ },
+ // 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,
+ },
+ // Focusrite Saffire Pro 40 with TCD3070-CH.
+ // The model has quirk in its GUID, in which model field is 0x000013 and different from
+ // model ID (0x0000de) in its root/unit directory.
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_FOCUSRITE,
+ .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,
+ },
+ { }
+};
+MODULE_DEVICE_TABLE(ieee1394, dice_id_table);
+
+static struct fw_driver dice_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = KBUILD_MODNAME,
+ .bus = &fw_bus_type,
+ },
+ .probe = dice_probe,
+ .update = dice_bus_reset,
+ .remove = dice_remove,
+ .id_table = dice_id_table,
+};
+
+static int __init alsa_dice_init(void)
+{
+ return driver_register(&dice_driver.driver);
+}
+
+static void __exit alsa_dice_exit(void)
+{
+ driver_unregister(&dice_driver.driver);
+}
+
+module_init(alsa_dice_init);
+module_exit(alsa_dice_exit);
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