1 // SPDX-License-Identifier: GPL-2.0-only
3 * oxfw.c - a part of driver for OXFW970/971 based devices
5 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
10 #define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000)
11 /* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */
13 #define OXFORD_HARDWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x90020)
14 #define OXFORD_HARDWARE_ID_OXFW970 0x39443841
15 #define OXFORD_HARDWARE_ID_OXFW971 0x39373100
17 #define VENDOR_LOUD 0x000ff2
18 #define VENDOR_GRIFFIN 0x001292
19 #define VENDOR_BEHRINGER 0x001564
20 #define VENDOR_LACIE 0x00d04b
21 #define VENDOR_TASCAM 0x00022e
22 #define OUI_STANTON 0x001260
23 #define OUI_APOGEE 0x0003db
25 #define MODEL_SATELLITE 0x00200f
26 #define MODEL_SCS1M 0x001000
27 #define MODEL_DUET_FW 0x01dddd
28 #define MODEL_ONYX_1640I 0x001640
30 #define SPECIFIER_1394TA 0x00a02d
31 #define VERSION_AVC 0x010001
33 MODULE_DESCRIPTION("Oxford Semiconductor FW970/971 driver");
34 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
35 MODULE_LICENSE("GPL");
36 MODULE_ALIAS("snd-firewire-speakers");
37 MODULE_ALIAS("snd-scs1x");
40 const char *driver_name;
41 const char *vendor_name;
42 const char *model_name;
45 static bool detect_loud_models(struct fw_unit *unit)
47 static const char *const models[] = {
56 err = fw_csr_string(unit->directory, CSR_MODEL,
57 model, sizeof(model));
61 return match_string(models, ARRAY_SIZE(models), model) >= 0;
64 static int name_card(struct snd_oxfw *oxfw, const struct ieee1394_device_id *entry)
66 struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
67 const struct compat_info *info;
70 const char *d, *v, *m;
74 /* get vendor name from root directory */
75 err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR,
76 vendor, sizeof(vendor));
80 /* get model name from unit directory */
81 err = fw_csr_string(oxfw->unit->directory, CSR_MODEL,
82 model, sizeof(model));
86 err = snd_fw_transaction(oxfw->unit, TCODE_READ_QUADLET_REQUEST,
87 OXFORD_FIRMWARE_ID_ADDRESS, &firmware, 4, 0);
90 be32_to_cpus(&firmware);
92 if (firmware >> 20 == 0x970)
93 oxfw->quirks |= SND_OXFW_QUIRK_JUMBO_PAYLOAD;
95 /* to apply card definitions */
96 if (entry->vendor_id == VENDOR_GRIFFIN || entry->vendor_id == VENDOR_LACIE) {
97 info = (const struct compat_info *)entry->driver_data;
98 d = info->driver_name;
99 v = info->vendor_name;
100 m = info->model_name;
107 strcpy(oxfw->card->driver, d);
108 strcpy(oxfw->card->mixername, m);
109 strcpy(oxfw->card->shortname, m);
111 scnprintf(oxfw->card->longname, sizeof(oxfw->card->longname),
112 "%s %s (OXFW%x %04x), GUID %08x%08x at %s, S%d",
113 v, m, firmware >> 20, firmware & 0xffff,
114 fw_dev->config_rom[3], fw_dev->config_rom[4],
115 dev_name(&oxfw->unit->device), 100 << fw_dev->max_speed);
120 static void oxfw_card_free(struct snd_card *card)
122 struct snd_oxfw *oxfw = card->private_data;
124 if (oxfw->has_output || oxfw->has_input)
125 snd_oxfw_stream_destroy_duplex(oxfw);
127 mutex_destroy(&oxfw->mutex);
128 fw_unit_put(oxfw->unit);
131 static int detect_quirks(struct snd_oxfw *oxfw, const struct ieee1394_device_id *entry)
133 struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
134 struct fw_csr_iterator it;
139 * Add ALSA control elements for two models to keep compatibility to
140 * old firewire-speaker module.
142 if (entry->vendor_id == VENDOR_GRIFFIN)
143 return snd_oxfw_add_spkr(oxfw, false);
144 if (entry->vendor_id == VENDOR_LACIE)
145 return snd_oxfw_add_spkr(oxfw, true);
148 * Stanton models supports asynchronous transactions for unique MIDI
151 if (entry->vendor_id == OUI_STANTON) {
152 oxfw->quirks |= SND_OXFW_QUIRK_SCS_TRANSACTION;
153 if (entry->model_id == MODEL_SCS1M)
154 oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION;
156 // No physical MIDI ports.
157 oxfw->midi_input_ports = 0;
158 oxfw->midi_output_ports = 0;
160 return snd_oxfw_scs1x_add(oxfw);
163 if (entry->vendor_id == OUI_APOGEE && entry->model_id == MODEL_DUET_FW) {
164 oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION |
165 SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET;
169 * TASCAM FireOne has physical control and requires a pair of additional
172 if (entry->vendor_id == VENDOR_TASCAM) {
173 oxfw->midi_input_ports++;
174 oxfw->midi_output_ports++;
178 /* Seek from Root Directory of Config ROM. */
180 fw_csr_iterator_init(&it, fw_dev->config_rom + 5);
181 while (fw_csr_iterator_next(&it, &key, &val)) {
182 if (key == CSR_VENDOR)
184 else if (key == CSR_MODEL)
188 if (vendor == VENDOR_LOUD) {
189 // Mackie Onyx Satellite with base station has a quirk to report a wrong
190 // value in 'dbs' field of CIP header against its format information.
191 oxfw->quirks |= SND_OXFW_QUIRK_WRONG_DBS;
193 // OXFW971-based models may transfer events by blocking method.
194 if (!(oxfw->quirks & SND_OXFW_QUIRK_JUMBO_PAYLOAD))
195 oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION;
197 if (model == MODEL_ONYX_1640I) {
198 //Unless receiving packets without NOINFO packet, the device transfers
199 //mostly half of events in packets than expected.
200 oxfw->quirks |= SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET |
201 SND_OXFW_QUIRK_VOLUNTARY_RECOVERY;
208 static int oxfw_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry)
210 struct snd_card *card;
211 struct snd_oxfw *oxfw;
214 if (entry->vendor_id == VENDOR_LOUD && entry->model_id == 0 && !detect_loud_models(unit))
217 err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, sizeof(*oxfw), &card);
220 card->private_free = oxfw_card_free;
222 oxfw = card->private_data;
223 oxfw->unit = fw_unit_get(unit);
224 dev_set_drvdata(&unit->device, oxfw);
227 mutex_init(&oxfw->mutex);
228 spin_lock_init(&oxfw->lock);
229 init_waitqueue_head(&oxfw->hwdep_wait);
231 err = name_card(oxfw, entry);
235 err = snd_oxfw_stream_discover(oxfw);
239 err = detect_quirks(oxfw, entry);
243 if (oxfw->has_output || oxfw->has_input) {
244 err = snd_oxfw_stream_init_duplex(oxfw);
248 err = snd_oxfw_create_pcm(oxfw);
252 snd_oxfw_proc_init(oxfw);
254 err = snd_oxfw_create_midi(oxfw);
258 err = snd_oxfw_create_hwdep(oxfw);
263 err = snd_card_register(card);
273 static void oxfw_bus_reset(struct fw_unit *unit)
275 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
277 fcp_bus_reset(oxfw->unit);
279 if (oxfw->has_output || oxfw->has_input) {
280 mutex_lock(&oxfw->mutex);
281 snd_oxfw_stream_update_duplex(oxfw);
282 mutex_unlock(&oxfw->mutex);
285 if (oxfw->quirks & SND_OXFW_QUIRK_SCS_TRANSACTION)
286 snd_oxfw_scs1x_update(oxfw);
289 static void oxfw_remove(struct fw_unit *unit)
291 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
293 // Block till all of ALSA character devices are released.
294 snd_card_free(oxfw->card);
297 static const struct compat_info griffin_firewave = {
298 .driver_name = "FireWave",
299 .vendor_name = "Griffin",
300 .model_name = "FireWave",
303 static const struct compat_info lacie_speakers = {
304 .driver_name = "FWSpeakers",
305 .vendor_name = "LaCie",
306 .model_name = "FireWire Speakers",
309 #define OXFW_DEV_ENTRY(vendor, model, data) \
311 .match_flags = IEEE1394_MATCH_VENDOR_ID | \
312 IEEE1394_MATCH_MODEL_ID | \
313 IEEE1394_MATCH_SPECIFIER_ID | \
314 IEEE1394_MATCH_VERSION, \
315 .vendor_id = vendor, \
317 .specifier_id = SPECIFIER_1394TA, \
318 .version = VERSION_AVC, \
319 .driver_data = (kernel_ulong_t)data, \
322 static const struct ieee1394_device_id oxfw_id_table[] = {
325 // Initial firmware has a quirk to postpone isoc packet transmission during finishing async
326 // transaction. As a result, several isochronous cycles are skipped to transfer the packets
327 // and the audio data frames which should have been transferred during the cycles are put
328 // into packet at the first isoc cycle after the postpone. Furthermore, the value of SYT
329 // field in CIP header is not reliable as synchronization timing,
331 OXFW_DEV_ENTRY(VENDOR_GRIFFIN, 0x00f970, &griffin_firewave),
332 OXFW_DEV_ENTRY(VENDOR_LACIE, 0x00f970, &lacie_speakers),
333 // Behringer,F-Control Audio 202. The value of SYT field is not reliable at all.
334 OXFW_DEV_ENTRY(VENDOR_BEHRINGER, 0x00fc22, NULL),
335 // Loud Technologies, Tapco Link.FireWire 4x6. The value of SYT field is always 0xffff.
336 OXFW_DEV_ENTRY(VENDOR_LOUD, 0x000460, NULL),
337 // Loud Technologies, Mackie Onyx Satellite. Although revised version of firmware is
338 // installed to avoid the postpone, the value of SYT field is always 0xffff.
339 OXFW_DEV_ENTRY(VENDOR_LOUD, MODEL_SATELLITE, NULL),
340 // Miglia HarmonyAudio. Not yet identified.
344 // The value of SYT field in CIP header is enough reliable. Both of blocking and non-blocking
345 // transmission methods are available.
347 // Any Mackie(Loud) models (name string/model id):
348 // Onyx-i series (former models): 0x081216
349 // Onyx 1640i: 0x001640
350 // d.2 pro/d.4 pro (built-in card): Unknown
354 .match_flags = IEEE1394_MATCH_VENDOR_ID |
355 IEEE1394_MATCH_SPECIFIER_ID |
356 IEEE1394_MATCH_VERSION,
357 .vendor_id = VENDOR_LOUD,
359 .specifier_id = SPECIFIER_1394TA,
360 .version = VERSION_AVC,
363 OXFW_DEV_ENTRY(VENDOR_TASCAM, 0x800007, NULL),
364 // Stanton, Stanton Controllers & Systems 1 Mixer (SCS.1m).
365 OXFW_DEV_ENTRY(OUI_STANTON, MODEL_SCS1M, NULL),
366 // Stanton, Stanton Controllers & Systems 1 Deck (SCS.1d).
367 OXFW_DEV_ENTRY(OUI_STANTON, 0x002000, NULL),
368 // APOGEE, duet FireWire.
369 OXFW_DEV_ENTRY(OUI_APOGEE, MODEL_DUET_FW, NULL),
372 MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);
374 static struct fw_driver oxfw_driver = {
376 .owner = THIS_MODULE,
377 .name = KBUILD_MODNAME,
381 .update = oxfw_bus_reset,
382 .remove = oxfw_remove,
383 .id_table = oxfw_id_table,
386 static int __init snd_oxfw_init(void)
388 return driver_register(&oxfw_driver.driver);
391 static void __exit snd_oxfw_exit(void)
393 driver_unregister(&oxfw_driver.driver);
396 module_init(snd_oxfw_init);
397 module_exit(snd_oxfw_exit);