xref: /openbmc/linux/sound/firewire/bebob/bebob.c (revision a8da474e)
1 /*
2  * bebob.c - a part of driver for BeBoB based devices
3  *
4  * Copyright (c) 2013-2014 Takashi Sakamoto
5  *
6  * Licensed under the terms of the GNU General Public License, version 2.
7  */
8 
9 /*
10  * BeBoB is 'BridgeCo enhanced Breakout Box'. This is installed to firewire
11  * devices with DM1000/DM1100/DM1500 chipset. It gives common way for host
12  * system to handle BeBoB based devices.
13  */
14 
15 #include "bebob.h"
16 
17 MODULE_DESCRIPTION("BridgeCo BeBoB driver");
18 MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
19 MODULE_LICENSE("GPL v2");
20 
21 static int index[SNDRV_CARDS]	= SNDRV_DEFAULT_IDX;
22 static char *id[SNDRV_CARDS]	= SNDRV_DEFAULT_STR;
23 static bool enable[SNDRV_CARDS]	= SNDRV_DEFAULT_ENABLE_PNP;
24 
25 module_param_array(index, int, NULL, 0444);
26 MODULE_PARM_DESC(index, "card index");
27 module_param_array(id, charp, NULL, 0444);
28 MODULE_PARM_DESC(id, "ID string");
29 module_param_array(enable, bool, NULL, 0444);
30 MODULE_PARM_DESC(enable, "enable BeBoB sound card");
31 
32 static DEFINE_MUTEX(devices_mutex);
33 static DECLARE_BITMAP(devices_used, SNDRV_CARDS);
34 
35 /* Offsets from information register. */
36 #define INFO_OFFSET_BEBOB_VERSION	0x08
37 #define INFO_OFFSET_GUID		0x10
38 #define INFO_OFFSET_HW_MODEL_ID		0x18
39 #define INFO_OFFSET_HW_MODEL_REVISION	0x1c
40 
41 #define VEN_EDIROL	0x000040ab
42 #define VEN_PRESONUS	0x00000a92
43 #define VEN_BRIDGECO	0x000007f5
44 #define VEN_MACKIE1	0x0000000f
45 #define VEN_MACKIE2	0x00000ff2
46 #define VEN_STANTON	0x00001260
47 #define VEN_TASCAM	0x0000022e
48 #define VEN_BEHRINGER	0x00001564
49 #define VEN_APOGEE	0x000003db
50 #define VEN_ESI		0x00000f1b
51 #define VEN_ACOUSTIC	0x00000002
52 #define VEN_CME		0x0000000a
53 #define VEN_PHONIC	0x00001496
54 #define VEN_LYNX	0x000019e5
55 #define VEN_ICON	0x00001a9e
56 #define VEN_PRISMSOUND	0x00001198
57 #define VEN_TERRATEC	0x00000aac
58 #define VEN_YAMAHA	0x0000a0de
59 #define VEN_FOCUSRITE	0x0000130e
60 #define VEN_MAUDIO1	0x00000d6c
61 #define VEN_MAUDIO2	0x000007f5
62 #define VEN_DIGIDESIGN	0x00a07e
63 
64 #define MODEL_FOCUSRITE_SAFFIRE_BOTH	0x00000000
65 #define MODEL_MAUDIO_AUDIOPHILE_BOTH	0x00010060
66 #define MODEL_MAUDIO_FW1814		0x00010071
67 #define MODEL_MAUDIO_PROJECTMIX		0x00010091
68 
69 static int
70 name_device(struct snd_bebob *bebob, unsigned int vendor_id)
71 {
72 	struct fw_device *fw_dev = fw_parent_device(bebob->unit);
73 	char vendor[24] = {0};
74 	char model[32] = {0};
75 	u32 hw_id;
76 	u32 data[2] = {0};
77 	u32 revision;
78 	u32 version;
79 	int err;
80 
81 	/* get vendor name from root directory */
82 	err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR,
83 			    vendor, sizeof(vendor));
84 	if (err < 0)
85 		goto end;
86 
87 	/* get model name from unit directory */
88 	err = fw_csr_string(bebob->unit->directory, CSR_MODEL,
89 			    model, sizeof(model));
90 	if (err < 0)
91 		goto end;
92 
93 	/* get hardware id */
94 	err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_ID,
95 				  &hw_id);
96 	if (err < 0)
97 		goto end;
98 
99 	/* get hardware revision */
100 	err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_HW_MODEL_REVISION,
101 				  &revision);
102 	if (err < 0)
103 		goto end;
104 
105 	/* get GUID */
106 	err = snd_bebob_read_block(bebob->unit, INFO_OFFSET_GUID,
107 				   data, sizeof(data));
108 	if (err < 0)
109 		goto end;
110 
111 	err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_BEBOB_VERSION,
112 				  &version);
113 	if (err < 0)
114 		goto end;
115 	bebob->version = version;
116 
117 	strcpy(bebob->card->driver, "BeBoB");
118 	strcpy(bebob->card->shortname, model);
119 	strcpy(bebob->card->mixername, model);
120 	snprintf(bebob->card->longname, sizeof(bebob->card->longname),
121 		 "%s %s (id:%d, rev:%d), GUID %08x%08x at %s, S%d",
122 		 vendor, model, hw_id, revision,
123 		 data[0], data[1], dev_name(&bebob->unit->device),
124 		 100 << fw_dev->max_speed);
125 end:
126 	return err;
127 }
128 
129 /*
130  * This module releases the FireWire unit data after all ALSA character devices
131  * are released by applications. This is for releasing stream data or finishing
132  * transactions safely. Thus at returning from .remove(), this module still keep
133  * references for the unit.
134  */
135 static void
136 bebob_card_free(struct snd_card *card)
137 {
138 	struct snd_bebob *bebob = card->private_data;
139 
140 	snd_bebob_stream_destroy_duplex(bebob);
141 	fw_unit_put(bebob->unit);
142 
143 	kfree(bebob->maudio_special_quirk);
144 
145 	if (bebob->card_index >= 0) {
146 		mutex_lock(&devices_mutex);
147 		clear_bit(bebob->card_index, devices_used);
148 		mutex_unlock(&devices_mutex);
149 	}
150 
151 	mutex_destroy(&bebob->mutex);
152 }
153 
154 static const struct snd_bebob_spec *
155 get_saffire_spec(struct fw_unit *unit)
156 {
157 	char name[24] = {0};
158 
159 	if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0)
160 		return NULL;
161 
162 	if (strcmp(name, "SaffireLE") == 0)
163 		return &saffire_le_spec;
164 	else
165 		return &saffire_spec;
166 }
167 
168 static bool
169 check_audiophile_booted(struct fw_unit *unit)
170 {
171 	char name[24] = {0};
172 
173 	if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0)
174 		return false;
175 
176 	return strncmp(name, "FW Audiophile Bootloader", 15) != 0;
177 }
178 
179 static int
180 bebob_probe(struct fw_unit *unit,
181 	    const struct ieee1394_device_id *entry)
182 {
183 	struct snd_card *card;
184 	struct snd_bebob *bebob;
185 	const struct snd_bebob_spec *spec;
186 	unsigned int card_index;
187 	int err;
188 
189 	mutex_lock(&devices_mutex);
190 
191 	for (card_index = 0; card_index < SNDRV_CARDS; card_index++) {
192 		if (!test_bit(card_index, devices_used) && enable[card_index])
193 			break;
194 	}
195 	if (card_index >= SNDRV_CARDS) {
196 		err = -ENOENT;
197 		goto end;
198 	}
199 
200 	if ((entry->vendor_id == VEN_FOCUSRITE) &&
201 	    (entry->model_id == MODEL_FOCUSRITE_SAFFIRE_BOTH))
202 		spec = get_saffire_spec(unit);
203 	else if ((entry->vendor_id == VEN_MAUDIO1) &&
204 		 (entry->model_id == MODEL_MAUDIO_AUDIOPHILE_BOTH) &&
205 		 !check_audiophile_booted(unit))
206 		spec = NULL;
207 	else
208 		spec = (const struct snd_bebob_spec *)entry->driver_data;
209 
210 	if (spec == NULL) {
211 		if ((entry->vendor_id == VEN_MAUDIO1) ||
212 		    (entry->vendor_id == VEN_MAUDIO2))
213 			err = snd_bebob_maudio_load_firmware(unit);
214 		else
215 			err = -ENOSYS;
216 		goto end;
217 	}
218 
219 	err = snd_card_new(&unit->device, index[card_index], id[card_index],
220 			   THIS_MODULE, sizeof(struct snd_bebob), &card);
221 	if (err < 0)
222 		goto end;
223 	bebob = card->private_data;
224 	bebob->card_index = card_index;
225 	set_bit(card_index, devices_used);
226 	card->private_free = bebob_card_free;
227 
228 	bebob->card = card;
229 	bebob->unit = fw_unit_get(unit);
230 	bebob->spec = spec;
231 	mutex_init(&bebob->mutex);
232 	spin_lock_init(&bebob->lock);
233 	init_waitqueue_head(&bebob->hwdep_wait);
234 
235 	err = name_device(bebob, entry->vendor_id);
236 	if (err < 0)
237 		goto error;
238 
239 	if ((entry->vendor_id == VEN_MAUDIO1) &&
240 	    (entry->model_id == MODEL_MAUDIO_FW1814))
241 		err = snd_bebob_maudio_special_discover(bebob, true);
242 	else if ((entry->vendor_id == VEN_MAUDIO1) &&
243 		 (entry->model_id == MODEL_MAUDIO_PROJECTMIX))
244 		err = snd_bebob_maudio_special_discover(bebob, false);
245 	else
246 		err = snd_bebob_stream_discover(bebob);
247 	if (err < 0)
248 		goto error;
249 
250 	snd_bebob_proc_init(bebob);
251 
252 	if ((bebob->midi_input_ports > 0) ||
253 	    (bebob->midi_output_ports > 0)) {
254 		err = snd_bebob_create_midi_devices(bebob);
255 		if (err < 0)
256 			goto error;
257 	}
258 
259 	err = snd_bebob_create_pcm_devices(bebob);
260 	if (err < 0)
261 		goto error;
262 
263 	err = snd_bebob_create_hwdep_device(bebob);
264 	if (err < 0)
265 		goto error;
266 
267 	err = snd_bebob_stream_init_duplex(bebob);
268 	if (err < 0)
269 		goto error;
270 
271 	if (!bebob->maudio_special_quirk) {
272 		err = snd_card_register(card);
273 		if (err < 0) {
274 			snd_bebob_stream_destroy_duplex(bebob);
275 			goto error;
276 		}
277 	} else {
278 		/*
279 		 * This is a workaround. This bus reset seems to have an effect
280 		 * to make devices correctly handling transactions. Without
281 		 * this, the devices have gap_count mismatch. This causes much
282 		 * failure of transaction.
283 		 *
284 		 * Just after registration, user-land application receive
285 		 * signals from dbus and starts I/Os. To avoid I/Os till the
286 		 * future bus reset, registration is done in next update().
287 		 */
288 		bebob->deferred_registration = true;
289 		fw_schedule_bus_reset(fw_parent_device(bebob->unit)->card,
290 				      false, true);
291 	}
292 
293 	dev_set_drvdata(&unit->device, bebob);
294 end:
295 	mutex_unlock(&devices_mutex);
296 	return err;
297 error:
298 	mutex_unlock(&devices_mutex);
299 	snd_card_free(card);
300 	return err;
301 }
302 
303 static void
304 bebob_update(struct fw_unit *unit)
305 {
306 	struct snd_bebob *bebob = dev_get_drvdata(&unit->device);
307 
308 	if (bebob == NULL)
309 		return;
310 
311 	fcp_bus_reset(bebob->unit);
312 	snd_bebob_stream_update_duplex(bebob);
313 
314 	if (bebob->deferred_registration) {
315 		if (snd_card_register(bebob->card) < 0) {
316 			snd_bebob_stream_destroy_duplex(bebob);
317 			snd_card_free(bebob->card);
318 		}
319 		bebob->deferred_registration = false;
320 	}
321 }
322 
323 static void bebob_remove(struct fw_unit *unit)
324 {
325 	struct snd_bebob *bebob = dev_get_drvdata(&unit->device);
326 
327 	if (bebob == NULL)
328 		return;
329 
330 	/* Awake bus-reset waiters. */
331 	if (!completion_done(&bebob->bus_reset))
332 		complete_all(&bebob->bus_reset);
333 
334 	/* No need to wait for releasing card object in this context. */
335 	snd_card_free_when_closed(bebob->card);
336 }
337 
338 static const struct snd_bebob_rate_spec normal_rate_spec = {
339 	.get	= &snd_bebob_stream_get_rate,
340 	.set	= &snd_bebob_stream_set_rate
341 };
342 static const struct snd_bebob_spec spec_normal = {
343 	.clock	= NULL,
344 	.rate	= &normal_rate_spec,
345 	.meter	= NULL
346 };
347 
348 static const struct ieee1394_device_id bebob_id_table[] = {
349 	/* Edirol, FA-66 */
350 	SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010049, &spec_normal),
351 	/* Edirol, FA-101 */
352 	SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010048, &spec_normal),
353 	/* Presonus, FIREBOX */
354 	SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010000, &spec_normal),
355 	/* PreSonus, FIREPOD/FP10 */
356 	SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010066, &spec_normal),
357 	/* PreSonus, Inspire1394 */
358 	SND_BEBOB_DEV_ENTRY(VEN_PRESONUS, 0x00010001, &spec_normal),
359 	/* BridgeCo, RDAudio1 */
360 	SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010048, &spec_normal),
361 	/* BridgeCo, Audio5 */
362 	SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal),
363 	/* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */
364 	SND_BEBOB_DEV_ENTRY(VEN_MACKIE2, 0x00010065, &spec_normal),
365 	/* Mackie, d.2 (Firewire Option) */
366 	SND_BEBOB_DEV_ENTRY(VEN_MACKIE1, 0x00010067, &spec_normal),
367 	/* Stanton, ScratchAmp */
368 	SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal),
369 	/* Tascam, IF-FW DM */
370 	SND_BEBOB_DEV_ENTRY(VEN_TASCAM, 0x00010067, &spec_normal),
371 	/* Behringer, XENIX UFX 1204 */
372 	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001204, &spec_normal),
373 	/* Behringer, XENIX UFX 1604 */
374 	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00001604, &spec_normal),
375 	/* Behringer, Digital Mixer X32 series (X-UF Card) */
376 	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00000006, &spec_normal),
377 	/*  Behringer, F-Control Audio 1616 */
378 	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x001616, &spec_normal),
379 	/*  Behringer, F-Control Audio 610 */
380 	SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x000610, &spec_normal),
381 	/* Apogee Electronics, Rosetta 200/400 (X-FireWire card) */
382 	/* Apogee Electronics, DA/AD/DD-16X (X-FireWire card) */
383 	SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048, &spec_normal),
384 	/* Apogee Electronics, Ensemble */
385 	SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00001eee, &spec_normal),
386 	/* ESI, Quatafire610 */
387 	SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064, &spec_normal),
388 	/* AcousticReality, eARMasterOne */
389 	SND_BEBOB_DEV_ENTRY(VEN_ACOUSTIC, 0x00000002, &spec_normal),
390 	/* CME, MatrixKFW */
391 	SND_BEBOB_DEV_ENTRY(VEN_CME, 0x00030000, &spec_normal),
392 	/* Phonic, Helix Board 12 MkII */
393 	SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00050000, &spec_normal),
394 	/* Phonic, Helix Board 18 MkII */
395 	SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00060000, &spec_normal),
396 	/* Phonic, Helix Board 24 MkII */
397 	SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00070000, &spec_normal),
398 	/* Phonic, Helix Board 12 Universal/18 Universal/24 Universal */
399 	SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00000000, &spec_normal),
400 	/* Lynx, Aurora 8/16 (LT-FW) */
401 	SND_BEBOB_DEV_ENTRY(VEN_LYNX, 0x00000001, &spec_normal),
402 	/* ICON, FireXon */
403 	SND_BEBOB_DEV_ENTRY(VEN_ICON, 0x00000001, &spec_normal),
404 	/* PrismSound, Orpheus */
405 	SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x00010048, &spec_normal),
406 	/* PrismSound, ADA-8XR */
407 	SND_BEBOB_DEV_ENTRY(VEN_PRISMSOUND, 0x0000ada8, &spec_normal),
408 	/* TerraTec Electronic GmbH, PHASE 88 Rack FW */
409 	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000003, &phase88_rack_spec),
410 	/* TerraTec Electronic GmbH, PHASE 24 FW */
411 	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000004, &phase24_series_spec),
412 	/* TerraTec Electronic GmbH, Phase X24 FW */
413 	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000007, &phase24_series_spec),
414 	/* TerraTec Electronic GmbH, EWS MIC2/MIC8 */
415 	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000005, &spec_normal),
416 	/* Terratec Electronic GmbH, Aureon 7.1 Firewire */
417 	SND_BEBOB_DEV_ENTRY(VEN_TERRATEC, 0x00000002, &spec_normal),
418 	/* Yamaha, GO44 */
419 	SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000b, &yamaha_go_spec),
420 	/* YAMAHA, GO46 */
421 	SND_BEBOB_DEV_ENTRY(VEN_YAMAHA, 0x0010000c, &yamaha_go_spec),
422 	/* Focusrite, SaffirePro 26 I/O */
423 	SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000003, &saffirepro_26_spec),
424 	/* Focusrite, SaffirePro 10 I/O */
425 	SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, 0x00000006, &saffirepro_10_spec),
426 	/* Focusrite, Saffire(no label and LE) */
427 	SND_BEBOB_DEV_ENTRY(VEN_FOCUSRITE, MODEL_FOCUSRITE_SAFFIRE_BOTH,
428 			    &saffire_spec),
429 	/* M-Audio, Firewire 410 */
430 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010058, NULL),	/* bootloader */
431 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO2, 0x00010046, &maudio_fw410_spec),
432 	/* M-Audio, Firewire Audiophile */
433 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_AUDIOPHILE_BOTH,
434 			    &maudio_audiophile_spec),
435 	/* M-Audio, Firewire Solo */
436 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010062, &maudio_solo_spec),
437 	/* M-Audio, Ozonic */
438 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x0000000a, &maudio_ozonic_spec),
439 	/* M-Audio NRV10 */
440 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010081, &maudio_nrv10_spec),
441 	/* M-Audio, ProFireLightbridge */
442 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x000100a1, &spec_normal),
443 	/* Firewire 1814 */
444 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, 0x00010070, NULL),	/* bootloader */
445 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_FW1814,
446 			    &maudio_special_spec),
447 	/* M-Audio ProjectMix */
448 	SND_BEBOB_DEV_ENTRY(VEN_MAUDIO1, MODEL_MAUDIO_PROJECTMIX,
449 			    &maudio_special_spec),
450 	/* Digidesign Mbox 2 Pro */
451 	SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal),
452 	/* IDs are unknown but able to be supported */
453 	/*  Apogee, Mini-ME Firewire */
454 	/*  Apogee, Mini-DAC Firewire */
455 	/*  Cakawalk, Sonar Power Studio 66 */
456 	/*  CME, UF400e */
457 	/*  ESI, Quotafire XL */
458 	/*  Infrasonic, DewX */
459 	/*  Infrasonic, Windy6 */
460 	/*  Mackie, Digital X Bus x.200 */
461 	/*  Mackie, Digital X Bus x.400 */
462 	/*  Phonic, HB 12 */
463 	/*  Phonic, HB 24 */
464 	/*  Phonic, HB 18 */
465 	/*  Phonic, FireFly 202 */
466 	/*  Phonic, FireFly 302 */
467 	/*  Rolf Spuler, Firewire Guitar */
468 	{}
469 };
470 MODULE_DEVICE_TABLE(ieee1394, bebob_id_table);
471 
472 static struct fw_driver bebob_driver = {
473 	.driver = {
474 		.owner	= THIS_MODULE,
475 		.name	= "snd-bebob",
476 		.bus	= &fw_bus_type,
477 	},
478 	.probe    = bebob_probe,
479 	.update	  = bebob_update,
480 	.remove   = bebob_remove,
481 	.id_table = bebob_id_table,
482 };
483 
484 static int __init
485 snd_bebob_init(void)
486 {
487 	return driver_register(&bebob_driver.driver);
488 }
489 
490 static void __exit
491 snd_bebob_exit(void)
492 {
493 	driver_unregister(&bebob_driver.driver);
494 }
495 
496 module_init(snd_bebob_init);
497 module_exit(snd_bebob_exit);
498