1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * oxfw.c - a part of driver for OXFW970/971 based devices
4 *
5 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
6 */
7
8 #include "oxfw.h"
9
10 #define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000)
11 /* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */
12
13 #define OXFORD_HARDWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x90020)
14 #define OXFORD_HARDWARE_ID_OXFW970 0x39443841
15 #define OXFORD_HARDWARE_ID_OXFW971 0x39373100
16
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
24
25 #define MODEL_SATELLITE 0x00200f
26 #define MODEL_SCS1M 0x001000
27 #define MODEL_DUET_FW 0x01dddd
28 #define MODEL_ONYX_1640I 0x001640
29
30 #define SPECIFIER_1394TA 0x00a02d
31 #define VERSION_AVC 0x010001
32
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");
38
39 struct compat_info {
40 const char *driver_name;
41 const char *vendor_name;
42 const char *model_name;
43 };
44
detect_loud_models(struct fw_unit * unit)45 static bool detect_loud_models(struct fw_unit *unit)
46 {
47 static const char *const models[] = {
48 "Onyxi",
49 "Onyx-i",
50 "Onyx 1640i",
51 "d.Pro",
52 "U.420"};
53 char model[32];
54 int err;
55
56 err = fw_csr_string(unit->directory, CSR_MODEL,
57 model, sizeof(model));
58 if (err < 0)
59 return false;
60
61 return match_string(models, ARRAY_SIZE(models), model) >= 0;
62 }
63
name_card(struct snd_oxfw * oxfw,const struct ieee1394_device_id * entry)64 static int name_card(struct snd_oxfw *oxfw, const struct ieee1394_device_id *entry)
65 {
66 struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
67 const struct compat_info *info;
68 char vendor[24];
69 char model[32];
70 const char *d, *v, *m;
71 u32 firmware;
72 int err;
73
74 /* get vendor name from root directory */
75 err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR,
76 vendor, sizeof(vendor));
77 if (err < 0)
78 goto end;
79
80 /* get model name from unit directory */
81 err = fw_csr_string(oxfw->unit->directory, CSR_MODEL,
82 model, sizeof(model));
83 if (err < 0)
84 goto end;
85
86 err = snd_fw_transaction(oxfw->unit, TCODE_READ_QUADLET_REQUEST,
87 OXFORD_FIRMWARE_ID_ADDRESS, &firmware, 4, 0);
88 if (err < 0)
89 goto end;
90 be32_to_cpus(&firmware);
91
92 if (firmware >> 20 == 0x970)
93 oxfw->quirks |= SND_OXFW_QUIRK_JUMBO_PAYLOAD;
94
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;
101 } else {
102 d = "OXFW";
103 v = vendor;
104 m = model;
105 }
106
107 strcpy(oxfw->card->driver, d);
108 strcpy(oxfw->card->mixername, m);
109 strcpy(oxfw->card->shortname, m);
110
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);
116 end:
117 return err;
118 }
119
oxfw_card_free(struct snd_card * card)120 static void oxfw_card_free(struct snd_card *card)
121 {
122 struct snd_oxfw *oxfw = card->private_data;
123
124 if (oxfw->has_output || oxfw->has_input)
125 snd_oxfw_stream_destroy_duplex(oxfw);
126
127 mutex_destroy(&oxfw->mutex);
128 fw_unit_put(oxfw->unit);
129 }
130
detect_quirks(struct snd_oxfw * oxfw,const struct ieee1394_device_id * entry)131 static int detect_quirks(struct snd_oxfw *oxfw, const struct ieee1394_device_id *entry)
132 {
133 struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
134 struct fw_csr_iterator it;
135 int key, val;
136 int vendor, model;
137
138 /*
139 * Add ALSA control elements for two models to keep compatibility to
140 * old firewire-speaker module.
141 */
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);
146
147 /*
148 * Stanton models supports asynchronous transactions for unique MIDI
149 * messages.
150 */
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;
155
156 // No physical MIDI ports.
157 oxfw->midi_input_ports = 0;
158 oxfw->midi_output_ports = 0;
159
160 return snd_oxfw_scs1x_add(oxfw);
161 }
162
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;
166 }
167
168 /*
169 * TASCAM FireOne has physical control and requires a pair of additional
170 * MIDI ports.
171 */
172 if (entry->vendor_id == VENDOR_TASCAM) {
173 oxfw->midi_input_ports++;
174 oxfw->midi_output_ports++;
175 return 0;
176 }
177
178 /* Seek from Root Directory of Config ROM. */
179 vendor = model = 0;
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)
183 vendor = val;
184 else if (key == CSR_MODEL)
185 model = val;
186 }
187
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;
192
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;
196
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;
202 }
203 }
204
205 return 0;
206 }
207
oxfw_probe(struct fw_unit * unit,const struct ieee1394_device_id * entry)208 static int oxfw_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry)
209 {
210 struct snd_card *card;
211 struct snd_oxfw *oxfw;
212 int err;
213
214 if (entry->vendor_id == VENDOR_LOUD && entry->model_id == 0 && !detect_loud_models(unit))
215 return -ENODEV;
216
217 err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, sizeof(*oxfw), &card);
218 if (err < 0)
219 return err;
220 card->private_free = oxfw_card_free;
221
222 oxfw = card->private_data;
223 oxfw->unit = fw_unit_get(unit);
224 dev_set_drvdata(&unit->device, oxfw);
225 oxfw->card = card;
226
227 mutex_init(&oxfw->mutex);
228 spin_lock_init(&oxfw->lock);
229 init_waitqueue_head(&oxfw->hwdep_wait);
230
231 err = name_card(oxfw, entry);
232 if (err < 0)
233 goto error;
234
235 err = snd_oxfw_stream_discover(oxfw);
236 if (err < 0)
237 goto error;
238
239 err = detect_quirks(oxfw, entry);
240 if (err < 0)
241 goto error;
242
243 if (oxfw->has_output || oxfw->has_input) {
244 err = snd_oxfw_stream_init_duplex(oxfw);
245 if (err < 0)
246 goto error;
247
248 err = snd_oxfw_create_pcm(oxfw);
249 if (err < 0)
250 goto error;
251
252 snd_oxfw_proc_init(oxfw);
253
254 err = snd_oxfw_create_midi(oxfw);
255 if (err < 0)
256 goto error;
257
258 err = snd_oxfw_create_hwdep(oxfw);
259 if (err < 0)
260 goto error;
261 }
262
263 err = snd_card_register(card);
264 if (err < 0)
265 goto error;
266
267 return 0;
268 error:
269 snd_card_free(card);
270 return err;
271 }
272
oxfw_bus_reset(struct fw_unit * unit)273 static void oxfw_bus_reset(struct fw_unit *unit)
274 {
275 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
276
277 fcp_bus_reset(oxfw->unit);
278
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);
283 }
284
285 if (oxfw->quirks & SND_OXFW_QUIRK_SCS_TRANSACTION)
286 snd_oxfw_scs1x_update(oxfw);
287 }
288
oxfw_remove(struct fw_unit * unit)289 static void oxfw_remove(struct fw_unit *unit)
290 {
291 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
292
293 // Block till all of ALSA character devices are released.
294 snd_card_free(oxfw->card);
295 }
296
297 static const struct compat_info griffin_firewave = {
298 .driver_name = "FireWave",
299 .vendor_name = "Griffin",
300 .model_name = "FireWave",
301 };
302
303 static const struct compat_info lacie_speakers = {
304 .driver_name = "FWSpeakers",
305 .vendor_name = "LaCie",
306 .model_name = "FireWire Speakers",
307 };
308
309 #define OXFW_DEV_ENTRY(vendor, model, data) \
310 { \
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, \
316 .model_id = model, \
317 .specifier_id = SPECIFIER_1394TA, \
318 .version = VERSION_AVC, \
319 .driver_data = (kernel_ulong_t)data, \
320 }
321
322 static const struct ieee1394_device_id oxfw_id_table[] = {
323 //
324 // OXFW970 devices:
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,
330 //
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.
341
342 //
343 // OXFW971 devices:
344 // The value of SYT field in CIP header is enough reliable. Both of blocking and non-blocking
345 // transmission methods are available.
346 //
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
351 // U.420: Unknown
352 // U.420d: Unknown
353 {
354 .match_flags = IEEE1394_MATCH_VENDOR_ID |
355 IEEE1394_MATCH_SPECIFIER_ID |
356 IEEE1394_MATCH_VERSION,
357 .vendor_id = VENDOR_LOUD,
358 .model_id = 0,
359 .specifier_id = SPECIFIER_1394TA,
360 .version = VERSION_AVC,
361 },
362 // TASCAM, FireOne.
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),
370 { }
371 };
372 MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);
373
374 static struct fw_driver oxfw_driver = {
375 .driver = {
376 .owner = THIS_MODULE,
377 .name = KBUILD_MODNAME,
378 .bus = &fw_bus_type,
379 },
380 .probe = oxfw_probe,
381 .update = oxfw_bus_reset,
382 .remove = oxfw_remove,
383 .id_table = oxfw_id_table,
384 };
385
snd_oxfw_init(void)386 static int __init snd_oxfw_init(void)
387 {
388 return driver_register(&oxfw_driver.driver);
389 }
390
snd_oxfw_exit(void)391 static void __exit snd_oxfw_exit(void)
392 {
393 driver_unregister(&oxfw_driver.driver);
394 }
395
396 module_init(snd_oxfw_init);
397 module_exit(snd_oxfw_exit);
398