| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * oxfw.c - a part of driver for OXFW970/971 based devices |
| * |
| * Copyright (c) Clemens Ladisch <clemens@ladisch.de> |
| */ |
| |
| #include "oxfw.h" |
| |
| #define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000) |
| /* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */ |
| |
| #define OXFORD_HARDWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x90020) |
| #define OXFORD_HARDWARE_ID_OXFW970 0x39443841 |
| #define OXFORD_HARDWARE_ID_OXFW971 0x39373100 |
| |
| #define VENDOR_LOUD 0x000ff2 |
| #define VENDOR_GRIFFIN 0x001292 |
| #define VENDOR_BEHRINGER 0x001564 |
| #define VENDOR_LACIE 0x00d04b |
| #define VENDOR_TASCAM 0x00022e |
| #define OUI_STANTON 0x001260 |
| #define OUI_APOGEE 0x0003db |
| |
| #define MODEL_SATELLITE 0x00200f |
| #define MODEL_SCS1M 0x001000 |
| #define MODEL_DUET_FW 0x01dddd |
| |
| #define SPECIFIER_1394TA 0x00a02d |
| #define VERSION_AVC 0x010001 |
| |
| MODULE_DESCRIPTION("Oxford Semiconductor FW970/971 driver"); |
| MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); |
| MODULE_LICENSE("GPL v2"); |
| MODULE_ALIAS("snd-firewire-speakers"); |
| MODULE_ALIAS("snd-scs1x"); |
| |
| struct compat_info { |
| const char *driver_name; |
| const char *vendor_name; |
| const char *model_name; |
| }; |
| |
| static bool detect_loud_models(struct fw_unit *unit) |
| { |
| const char *const models[] = { |
| "Onyxi", |
| "Onyx-i", |
| "Onyx 1640i", |
| "d.Pro", |
| "U.420"}; |
| char model[32]; |
| int err; |
| |
| err = fw_csr_string(unit->directory, CSR_MODEL, |
| model, sizeof(model)); |
| if (err < 0) |
| return false; |
| |
| return match_string(models, ARRAY_SIZE(models), model) >= 0; |
| } |
| |
| static int name_card(struct snd_oxfw *oxfw, const struct ieee1394_device_id *entry) |
| { |
| struct fw_device *fw_dev = fw_parent_device(oxfw->unit); |
| const struct compat_info *info; |
| char vendor[24]; |
| char model[32]; |
| const char *d, *v, *m; |
| u32 firmware; |
| int err; |
| |
| /* get vendor name from root directory */ |
| err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR, |
| vendor, sizeof(vendor)); |
| if (err < 0) |
| goto end; |
| |
| /* get model name from unit directory */ |
| err = fw_csr_string(oxfw->unit->directory, CSR_MODEL, |
| model, sizeof(model)); |
| if (err < 0) |
| goto end; |
| |
| err = snd_fw_transaction(oxfw->unit, TCODE_READ_QUADLET_REQUEST, |
| OXFORD_FIRMWARE_ID_ADDRESS, &firmware, 4, 0); |
| if (err < 0) |
| goto end; |
| be32_to_cpus(&firmware); |
| |
| if (firmware >> 20 == 0x970) |
| oxfw->quirks |= SND_OXFW_QUIRK_JUMBO_PAYLOAD; |
| |
| /* to apply card definitions */ |
| if (entry->vendor_id == VENDOR_GRIFFIN || entry->vendor_id == VENDOR_LACIE) { |
| info = (const struct compat_info *)entry->driver_data; |
| d = info->driver_name; |
| v = info->vendor_name; |
| m = info->model_name; |
| } else { |
| d = "OXFW"; |
| v = vendor; |
| m = model; |
| } |
| |
| strcpy(oxfw->card->driver, d); |
| strcpy(oxfw->card->mixername, m); |
| strcpy(oxfw->card->shortname, m); |
| |
| snprintf(oxfw->card->longname, sizeof(oxfw->card->longname), |
| "%s %s (OXFW%x %04x), GUID %08x%08x at %s, S%d", |
| v, m, firmware >> 20, firmware & 0xffff, |
| fw_dev->config_rom[3], fw_dev->config_rom[4], |
| dev_name(&oxfw->unit->device), 100 << fw_dev->max_speed); |
| end: |
| return err; |
| } |
| |
| static void oxfw_card_free(struct snd_card *card) |
| { |
| struct snd_oxfw *oxfw = card->private_data; |
| |
| if (oxfw->has_output || oxfw->has_input) |
| snd_oxfw_stream_destroy_duplex(oxfw); |
| |
| mutex_destroy(&oxfw->mutex); |
| fw_unit_put(oxfw->unit); |
| } |
| |
| static int detect_quirks(struct snd_oxfw *oxfw, const struct ieee1394_device_id *entry) |
| { |
| struct fw_device *fw_dev = fw_parent_device(oxfw->unit); |
| struct fw_csr_iterator it; |
| int key, val; |
| int vendor, model; |
| |
| /* |
| * Add ALSA control elements for two models to keep compatibility to |
| * old firewire-speaker module. |
| */ |
| if (entry->vendor_id == VENDOR_GRIFFIN) |
| return snd_oxfw_add_spkr(oxfw, false); |
| if (entry->vendor_id == VENDOR_LACIE) |
| return snd_oxfw_add_spkr(oxfw, true); |
| |
| /* |
| * Stanton models supports asynchronous transactions for unique MIDI |
| * messages. |
| */ |
| if (entry->vendor_id == OUI_STANTON) { |
| oxfw->quirks |= SND_OXFW_QUIRK_SCS_TRANSACTION; |
| if (entry->model_id == MODEL_SCS1M) |
| oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION; |
| |
| // No physical MIDI ports. |
| oxfw->midi_input_ports = 0; |
| oxfw->midi_output_ports = 0; |
| |
| return snd_oxfw_scs1x_add(oxfw); |
| } |
| |
| if (entry->vendor_id == OUI_APOGEE && entry->model_id == MODEL_DUET_FW) { |
| oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION | |
| SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET; |
| } |
| |
| /* |
| * TASCAM FireOne has physical control and requires a pair of additional |
| * MIDI ports. |
| */ |
| if (entry->vendor_id == VENDOR_TASCAM) { |
| oxfw->midi_input_ports++; |
| oxfw->midi_output_ports++; |
| return 0; |
| } |
| |
| /* Seek from Root Directory of Config ROM. */ |
| vendor = model = 0; |
| fw_csr_iterator_init(&it, fw_dev->config_rom + 5); |
| while (fw_csr_iterator_next(&it, &key, &val)) { |
| if (key == CSR_VENDOR) |
| vendor = val; |
| else if (key == CSR_MODEL) |
| model = val; |
| } |
| |
| /* |
| * Mackie Onyx Satellite with base station has a quirk to report a wrong |
| * value in 'dbs' field of CIP header against its format information. |
| */ |
| if (vendor == VENDOR_LOUD && model == MODEL_SATELLITE) |
| oxfw->quirks |= SND_OXFW_QUIRK_WRONG_DBS; |
| |
| return 0; |
| } |
| |
| static int oxfw_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry) |
| { |
| struct snd_card *card; |
| struct snd_oxfw *oxfw; |
| int err; |
| |
| if (entry->vendor_id == VENDOR_LOUD && entry->model_id == 0 && !detect_loud_models(unit)) |
| return -ENODEV; |
| |
| err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, sizeof(*oxfw), &card); |
| if (err < 0) |
| return err; |
| card->private_free = oxfw_card_free; |
| |
| oxfw = card->private_data; |
| oxfw->unit = fw_unit_get(unit); |
| dev_set_drvdata(&unit->device, oxfw); |
| oxfw->card = card; |
| |
| mutex_init(&oxfw->mutex); |
| spin_lock_init(&oxfw->lock); |
| init_waitqueue_head(&oxfw->hwdep_wait); |
| |
| err = name_card(oxfw, entry); |
| if (err < 0) |
| goto error; |
| |
| err = snd_oxfw_stream_discover(oxfw); |
| if (err < 0) |
| goto error; |
| |
| err = detect_quirks(oxfw, entry); |
| if (err < 0) |
| goto error; |
| |
| if (oxfw->has_output || oxfw->has_input) { |
| err = snd_oxfw_stream_init_duplex(oxfw); |
| if (err < 0) |
| goto error; |
| |
| err = snd_oxfw_create_pcm(oxfw); |
| if (err < 0) |
| goto error; |
| |
| snd_oxfw_proc_init(oxfw); |
| |
| err = snd_oxfw_create_midi(oxfw); |
| if (err < 0) |
| goto error; |
| |
| err = snd_oxfw_create_hwdep(oxfw); |
| 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 oxfw_bus_reset(struct fw_unit *unit) |
| { |
| struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device); |
| |
| fcp_bus_reset(oxfw->unit); |
| |
| if (oxfw->has_output || oxfw->has_input) { |
| mutex_lock(&oxfw->mutex); |
| snd_oxfw_stream_update_duplex(oxfw); |
| mutex_unlock(&oxfw->mutex); |
| } |
| |
| if (oxfw->quirks & SND_OXFW_QUIRK_SCS_TRANSACTION) |
| snd_oxfw_scs1x_update(oxfw); |
| } |
| |
| static void oxfw_remove(struct fw_unit *unit) |
| { |
| struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device); |
| |
| // Block till all of ALSA character devices are released. |
| snd_card_free(oxfw->card); |
| } |
| |
| static const struct compat_info griffin_firewave = { |
| .driver_name = "FireWave", |
| .vendor_name = "Griffin", |
| .model_name = "FireWave", |
| }; |
| |
| static const struct compat_info lacie_speakers = { |
| .driver_name = "FWSpeakers", |
| .vendor_name = "LaCie", |
| .model_name = "FireWire Speakers", |
| }; |
| |
| #define OXFW_DEV_ENTRY(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 = SPECIFIER_1394TA, \ |
| .version = VERSION_AVC, \ |
| .driver_data = (kernel_ulong_t)data, \ |
| } |
| |
| static const struct ieee1394_device_id oxfw_id_table[] = { |
| // |
| // OXFW970 devices: |
| // Initial firmware has a quirk to postpone isoc packet transmission during finishing async |
| // transaction. As a result, several isochronous cycles are skipped to transfer the packets |
| // and the audio data frames which should have been transferred during the cycles are put |
| // into packet at the first isoc cycle after the postpone. Furthermore, the value of SYT |
| // field in CIP header is not reliable as synchronization timing, |
| // |
| OXFW_DEV_ENTRY(VENDOR_GRIFFIN, 0x00f970, &griffin_firewave), |
| OXFW_DEV_ENTRY(VENDOR_LACIE, 0x00f970, &lacie_speakers), |
| // Behringer,F-Control Audio 202. The value of SYT field is not reliable at all. |
| OXFW_DEV_ENTRY(VENDOR_BEHRINGER, 0x00fc22, NULL), |
| // Loud Technologies, Tapco Link.FireWire 4x6. The value of SYT field is always 0xffff. |
| OXFW_DEV_ENTRY(VENDOR_LOUD, 0x000460, NULL), |
| // Loud Technologies, Mackie Onyx Satellite. Although revised version of firmware is |
| // installed to avoid the postpone, the value of SYT field is always 0xffff. |
| OXFW_DEV_ENTRY(VENDOR_LOUD, MODEL_SATELLITE, NULL), |
| // Miglia HarmonyAudio. Not yet identified. |
| |
| // |
| // OXFW971 devices: |
| // The value of SYT field in CIP header is enough reliable. Both of blocking and non-blocking |
| // transmission methods are available. |
| // |
| // Any Mackie(Loud) models (name string/model id): |
| // Onyx-i series (former models): 0x081216 |
| // Onyx 1640i: 0x001640 |
| // d.2 pro/d.4 pro (built-in card): Unknown |
| // U.420: Unknown |
| // U.420d: Unknown |
| { |
| .match_flags = IEEE1394_MATCH_VENDOR_ID | |
| IEEE1394_MATCH_SPECIFIER_ID | |
| IEEE1394_MATCH_VERSION, |
| .vendor_id = VENDOR_LOUD, |
| .model_id = 0, |
| .specifier_id = SPECIFIER_1394TA, |
| .version = VERSION_AVC, |
| }, |
| // TASCAM, FireOne. |
| OXFW_DEV_ENTRY(VENDOR_TASCAM, 0x800007, NULL), |
| // Stanton, Stanton Controllers & Systems 1 Mixer (SCS.1m). |
| OXFW_DEV_ENTRY(OUI_STANTON, MODEL_SCS1M, NULL), |
| // Stanton, Stanton Controllers & Systems 1 Deck (SCS.1d). |
| OXFW_DEV_ENTRY(OUI_STANTON, 0x002000, NULL), |
| // APOGEE, duet FireWire. |
| OXFW_DEV_ENTRY(OUI_APOGEE, MODEL_DUET_FW, NULL), |
| { } |
| }; |
| MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table); |
| |
| static struct fw_driver oxfw_driver = { |
| .driver = { |
| .owner = THIS_MODULE, |
| .name = KBUILD_MODNAME, |
| .bus = &fw_bus_type, |
| }, |
| .probe = oxfw_probe, |
| .update = oxfw_bus_reset, |
| .remove = oxfw_remove, |
| .id_table = oxfw_id_table, |
| }; |
| |
| static int __init snd_oxfw_init(void) |
| { |
| return driver_register(&oxfw_driver.driver); |
| } |
| |
| static void __exit snd_oxfw_exit(void) |
| { |
| driver_unregister(&oxfw_driver.driver); |
| } |
| |
| module_init(snd_oxfw_init); |
| module_exit(snd_oxfw_exit); |