2 * oxfw.c - a part of driver for OXFW970/971 based devices
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5 * Licensed under the terms of the GNU General Public License, version 2.
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
23 #define MODEL_SATELLITE 0x00200f
25 #define SPECIFIER_1394TA 0x00a02d
26 #define VERSION_AVC 0x010001
28 MODULE_DESCRIPTION("Oxford Semiconductor FW970/971 driver");
29 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
30 MODULE_LICENSE("GPL v2");
31 MODULE_ALIAS("snd-firewire-speakers");
34 const char *driver_name;
35 const char *vendor_name;
36 const char *model_name;
39 static bool detect_loud_models(struct fw_unit *unit)
41 const char *const models[] = {
45 "Mackie Onyx Satellite",
46 "Tapco LINK.firewire 4x6",
52 err = fw_csr_string(unit->directory, CSR_MODEL,
53 model, sizeof(model));
57 for (i = 0; i < ARRAY_SIZE(models); i++) {
58 if (strcmp(models[i], model) == 0)
62 return (i < ARRAY_SIZE(models));
65 static int name_card(struct snd_oxfw *oxfw)
67 struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
68 const struct compat_info *info;
71 const char *d, *v, *m;
75 /* get vendor name from root directory */
76 err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR,
77 vendor, sizeof(vendor));
81 /* get model name from unit directory */
82 err = fw_csr_string(oxfw->unit->directory, CSR_MODEL,
83 model, sizeof(model));
87 err = snd_fw_transaction(oxfw->unit, TCODE_READ_QUADLET_REQUEST,
88 OXFORD_FIRMWARE_ID_ADDRESS, &firmware, 4, 0);
91 be32_to_cpus(&firmware);
93 /* to apply card definitions */
94 if (oxfw->entry->vendor_id == VENDOR_GRIFFIN ||
95 oxfw->entry->vendor_id == VENDOR_LACIE) {
96 info = (const struct compat_info *)oxfw->entry->driver_data;
97 d = info->driver_name;
98 v = info->vendor_name;
106 strcpy(oxfw->card->driver, d);
107 strcpy(oxfw->card->mixername, m);
108 strcpy(oxfw->card->shortname, m);
110 snprintf(oxfw->card->longname, sizeof(oxfw->card->longname),
111 "%s %s (OXFW%x %04x), GUID %08x%08x at %s, S%d",
112 v, m, firmware >> 20, firmware & 0xffff,
113 fw_dev->config_rom[3], fw_dev->config_rom[4],
114 dev_name(&oxfw->unit->device), 100 << fw_dev->max_speed);
120 * This module releases the FireWire unit data after all ALSA character devices
121 * are released by applications. This is for releasing stream data or finishing
122 * transactions safely. Thus at returning from .remove(), this module still keep
123 * references for the unit.
125 static void oxfw_card_free(struct snd_card *card)
127 struct snd_oxfw *oxfw = card->private_data;
130 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
131 if (oxfw->has_output)
132 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
134 fw_unit_put(oxfw->unit);
136 for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
137 kfree(oxfw->tx_stream_formats[i]);
138 kfree(oxfw->rx_stream_formats[i]);
142 mutex_destroy(&oxfw->mutex);
145 static int detect_quirks(struct snd_oxfw *oxfw)
147 struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
148 struct fw_csr_iterator it;
153 * Add ALSA control elements for two models to keep compatibility to
154 * old firewire-speaker module.
156 if (oxfw->entry->vendor_id == VENDOR_GRIFFIN)
157 return snd_oxfw_add_spkr(oxfw, false);
158 if (oxfw->entry->vendor_id == VENDOR_LACIE)
159 return snd_oxfw_add_spkr(oxfw, true);
162 * TASCAM FireOne has physical control and requires a pair of additional
165 if (oxfw->entry->vendor_id == VENDOR_TASCAM) {
166 oxfw->midi_input_ports++;
167 oxfw->midi_output_ports++;
171 /* Seek from Root Directory of Config ROM. */
173 fw_csr_iterator_init(&it, fw_dev->config_rom + 5);
174 while (fw_csr_iterator_next(&it, &key, &val)) {
175 if (key == CSR_VENDOR)
177 else if (key == CSR_MODEL)
182 * Mackie Onyx Satellite with base station has a quirk to report a wrong
183 * value in 'dbs' field of CIP header against its format information.
185 if (vendor == VENDOR_LOUD && model == MODEL_SATELLITE)
186 oxfw->wrong_dbs = true;
191 static int oxfw_probe(struct fw_unit *unit,
192 const struct ieee1394_device_id *entry)
194 struct snd_card *card;
195 struct snd_oxfw *oxfw;
198 if (entry->vendor_id == VENDOR_LOUD && !detect_loud_models(unit))
201 err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE,
202 sizeof(*oxfw), &card);
206 card->private_free = oxfw_card_free;
207 oxfw = card->private_data;
209 mutex_init(&oxfw->mutex);
210 oxfw->unit = fw_unit_get(unit);
212 spin_lock_init(&oxfw->lock);
213 init_waitqueue_head(&oxfw->hwdep_wait);
215 err = snd_oxfw_stream_discover(oxfw);
219 err = detect_quirks(oxfw);
223 err = name_card(oxfw);
227 err = snd_oxfw_create_pcm(oxfw);
231 snd_oxfw_proc_init(oxfw);
233 err = snd_oxfw_create_midi(oxfw);
237 err = snd_oxfw_create_hwdep(oxfw);
241 err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->rx_stream);
244 if (oxfw->has_output) {
245 err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->tx_stream);
250 err = snd_card_register(card);
252 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
253 if (oxfw->has_output)
254 snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
257 dev_set_drvdata(&unit->device, oxfw);
265 static void oxfw_bus_reset(struct fw_unit *unit)
267 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
269 fcp_bus_reset(oxfw->unit);
271 mutex_lock(&oxfw->mutex);
273 snd_oxfw_stream_update_simplex(oxfw, &oxfw->rx_stream);
274 if (oxfw->has_output)
275 snd_oxfw_stream_update_simplex(oxfw, &oxfw->tx_stream);
277 mutex_unlock(&oxfw->mutex);
280 static void oxfw_remove(struct fw_unit *unit)
282 struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
284 /* No need to wait for releasing card object in this context. */
285 snd_card_free_when_closed(oxfw->card);
288 static const struct compat_info griffin_firewave = {
289 .driver_name = "FireWave",
290 .vendor_name = "Griffin",
291 .model_name = "FireWave",
294 static const struct compat_info lacie_speakers = {
295 .driver_name = "FWSpeakers",
296 .vendor_name = "LaCie",
297 .model_name = "FireWire Speakers",
300 static const struct ieee1394_device_id oxfw_id_table[] = {
302 .match_flags = IEEE1394_MATCH_VENDOR_ID |
303 IEEE1394_MATCH_MODEL_ID |
304 IEEE1394_MATCH_SPECIFIER_ID |
305 IEEE1394_MATCH_VERSION,
306 .vendor_id = VENDOR_GRIFFIN,
307 .model_id = 0x00f970,
308 .specifier_id = SPECIFIER_1394TA,
309 .version = VERSION_AVC,
310 .driver_data = (kernel_ulong_t)&griffin_firewave,
313 .match_flags = IEEE1394_MATCH_VENDOR_ID |
314 IEEE1394_MATCH_MODEL_ID |
315 IEEE1394_MATCH_SPECIFIER_ID |
316 IEEE1394_MATCH_VERSION,
317 .vendor_id = VENDOR_LACIE,
318 .model_id = 0x00f970,
319 .specifier_id = SPECIFIER_1394TA,
320 .version = VERSION_AVC,
321 .driver_data = (kernel_ulong_t)&lacie_speakers,
323 /* Behringer,F-Control Audio 202 */
325 .match_flags = IEEE1394_MATCH_VENDOR_ID |
326 IEEE1394_MATCH_MODEL_ID,
327 .vendor_id = VENDOR_BEHRINGER,
328 .model_id = 0x00fc22,
331 * Any Mackie(Loud) models (name string/model id):
332 * Onyx-i series (former models): 0x081216
333 * Mackie Onyx Satellite: 0x00200f
334 * Tapco LINK.firewire 4x6: 0x000460
341 .match_flags = IEEE1394_MATCH_VENDOR_ID |
342 IEEE1394_MATCH_SPECIFIER_ID |
343 IEEE1394_MATCH_VERSION,
344 .vendor_id = VENDOR_LOUD,
345 .specifier_id = SPECIFIER_1394TA,
346 .version = VERSION_AVC,
348 /* TASCAM, FireOne */
350 .match_flags = IEEE1394_MATCH_VENDOR_ID |
351 IEEE1394_MATCH_MODEL_ID,
352 .vendor_id = VENDOR_TASCAM,
353 .model_id = 0x800007,
357 MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);
359 static struct fw_driver oxfw_driver = {
361 .owner = THIS_MODULE,
362 .name = KBUILD_MODNAME,
366 .update = oxfw_bus_reset,
367 .remove = oxfw_remove,
368 .id_table = oxfw_id_table,
371 static int __init snd_oxfw_init(void)
373 return driver_register(&oxfw_driver.driver);
376 static void __exit snd_oxfw_exit(void)
378 driver_unregister(&oxfw_driver.driver);
381 module_init(snd_oxfw_init);
382 module_exit(snd_oxfw_exit);