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Linux/sound/firewire/bebob/bebob.c

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

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