summaryrefslogtreecommitdiff
path: root/sound/firewire/oxfw/oxfw.c
blob: 63d40f1a914f8c710bcdc2e57cf3794102d475b7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
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");
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)
{
	static 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);