diff options
Diffstat (limited to '')
-rw-r--r-- | sound/firewire/oxfw/oxfw.c | 397 |
1 files changed, 397 insertions, 0 deletions
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c new file mode 100644 index 000000000..b496f8784 --- /dev/null +++ b/sound/firewire/oxfw/oxfw.c @@ -0,0 +1,397 @@ +// 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 MODEL_ONYX_1640I 0x001640 + +#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; + } + + if (vendor == VENDOR_LOUD) { + // Mackie Onyx Satellite with base station has a quirk to report a wrong + // value in 'dbs' field of CIP header against its format information. + oxfw->quirks |= SND_OXFW_QUIRK_WRONG_DBS; + + // OXFW971-based models may transfer events by blocking method. + if (!(oxfw->quirks & SND_OXFW_QUIRK_JUMBO_PAYLOAD)) + oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION; + + if (model == MODEL_ONYX_1640I) { + //Unless receiving packets without NOINFO packet, the device transfers + //mostly half of events in packets than expected. + oxfw->quirks |= SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET | + SND_OXFW_QUIRK_VOLUNTARY_RECOVERY; + } + } + + 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); |