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f3d9478b JB |
1 | /* |
2 | * Apple Onboard Audio driver -- layout fabric | |
3 | * | |
4 | * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> | |
5 | * | |
6 | * GPL v2, can be found in COPYING. | |
7 | * | |
8 | * | |
9 | * This fabric module looks for sound codecs | |
10 | * based on the layout-id property in the device tree. | |
11 | * | |
12 | */ | |
13 | ||
14 | #include <asm/prom.h> | |
15 | #include <linux/list.h> | |
16 | #include <linux/module.h> | |
17 | #include "../aoa.h" | |
18 | #include "../soundbus/soundbus.h" | |
19 | ||
20 | MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>"); | |
21 | MODULE_LICENSE("GPL"); | |
22 | MODULE_DESCRIPTION("Layout-ID fabric for snd-aoa"); | |
23 | ||
24 | #define MAX_CODECS_PER_BUS 2 | |
25 | ||
26 | /* These are the connections the layout fabric | |
27 | * knows about. It doesn't really care about the | |
28 | * input ones, but I thought I'd separate them | |
29 | * to give them proper names. The thing is that | |
30 | * Apple usually will distinguish the active output | |
31 | * by GPIOs, while the active input is set directly | |
32 | * on the codec. Hence we here tell the codec what | |
33 | * we think is connected. This information is hard- | |
34 | * coded below ... */ | |
35 | #define CC_SPEAKERS (1<<0) | |
36 | #define CC_HEADPHONE (1<<1) | |
37 | #define CC_LINEOUT (1<<2) | |
38 | #define CC_DIGITALOUT (1<<3) | |
39 | #define CC_LINEIN (1<<4) | |
40 | #define CC_MICROPHONE (1<<5) | |
41 | #define CC_DIGITALIN (1<<6) | |
42 | /* pretty bogus but users complain... | |
43 | * This is a flag saying that the LINEOUT | |
44 | * should be renamed to HEADPHONE. | |
45 | * be careful with input detection! */ | |
46 | #define CC_LINEOUT_LABELLED_HEADPHONE (1<<7) | |
47 | ||
48 | struct codec_connection { | |
49 | /* CC_ flags from above */ | |
50 | int connected; | |
51 | /* codec dependent bit to be set in the aoa_codec.connected field. | |
52 | * This intentionally doesn't have any generic flags because the | |
53 | * fabric has to know the codec anyway and all codecs might have | |
54 | * different connectors */ | |
55 | int codec_bit; | |
56 | }; | |
57 | ||
58 | struct codec_connect_info { | |
59 | char *name; | |
60 | struct codec_connection *connections; | |
61 | }; | |
62 | ||
63 | #define LAYOUT_FLAG_COMBO_LINEOUT_SPDIF (1<<0) | |
64 | ||
65 | struct layout { | |
66 | unsigned int layout_id; | |
67 | struct codec_connect_info codecs[MAX_CODECS_PER_BUS]; | |
68 | int flags; | |
69 | ||
70 | /* if busname is not assigned, we use 'Master' below, | |
71 | * so that our layout table doesn't need to be filled | |
72 | * too much. | |
73 | * We only assign these two if we expect to find more | |
74 | * than one soundbus, i.e. on those machines with | |
75 | * multiple layout-ids */ | |
76 | char *busname; | |
77 | int pcmid; | |
78 | }; | |
79 | ||
80 | MODULE_ALIAS("sound-layout-41"); | |
81 | MODULE_ALIAS("sound-layout-45"); | |
82 | MODULE_ALIAS("sound-layout-51"); | |
83 | MODULE_ALIAS("sound-layout-58"); | |
84 | MODULE_ALIAS("sound-layout-60"); | |
85 | MODULE_ALIAS("sound-layout-61"); | |
86 | MODULE_ALIAS("sound-layout-64"); | |
87 | MODULE_ALIAS("sound-layout-65"); | |
88 | MODULE_ALIAS("sound-layout-68"); | |
89 | MODULE_ALIAS("sound-layout-69"); | |
90 | MODULE_ALIAS("sound-layout-70"); | |
91 | MODULE_ALIAS("sound-layout-72"); | |
92 | MODULE_ALIAS("sound-layout-80"); | |
93 | MODULE_ALIAS("sound-layout-82"); | |
94 | MODULE_ALIAS("sound-layout-84"); | |
95 | MODULE_ALIAS("sound-layout-86"); | |
96 | MODULE_ALIAS("sound-layout-92"); | |
c6feefd0 | 97 | MODULE_ALIAS("sound-layout-96"); |
f3d9478b JB |
98 | |
99 | /* onyx with all but microphone connected */ | |
100 | static struct codec_connection onyx_connections_nomic[] = { | |
101 | { | |
102 | .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT, | |
103 | .codec_bit = 0, | |
104 | }, | |
105 | { | |
106 | .connected = CC_DIGITALOUT, | |
107 | .codec_bit = 1, | |
108 | }, | |
109 | { | |
110 | .connected = CC_LINEIN, | |
111 | .codec_bit = 2, | |
112 | }, | |
113 | {} /* terminate array by .connected == 0 */ | |
114 | }; | |
115 | ||
116 | /* onyx on machines without headphone */ | |
117 | static struct codec_connection onyx_connections_noheadphones[] = { | |
118 | { | |
119 | .connected = CC_SPEAKERS | CC_LINEOUT | | |
120 | CC_LINEOUT_LABELLED_HEADPHONE, | |
121 | .codec_bit = 0, | |
122 | }, | |
123 | { | |
124 | .connected = CC_DIGITALOUT, | |
125 | .codec_bit = 1, | |
126 | }, | |
127 | /* FIXME: are these correct? probably not for all the machines | |
128 | * below ... If not this will need separating. */ | |
129 | { | |
130 | .connected = CC_LINEIN, | |
131 | .codec_bit = 2, | |
132 | }, | |
133 | { | |
134 | .connected = CC_MICROPHONE, | |
135 | .codec_bit = 3, | |
136 | }, | |
137 | {} /* terminate array by .connected == 0 */ | |
138 | }; | |
139 | ||
140 | /* onyx on machines with real line-out */ | |
141 | static struct codec_connection onyx_connections_reallineout[] = { | |
142 | { | |
143 | .connected = CC_SPEAKERS | CC_LINEOUT | CC_HEADPHONE, | |
144 | .codec_bit = 0, | |
145 | }, | |
146 | { | |
147 | .connected = CC_DIGITALOUT, | |
148 | .codec_bit = 1, | |
149 | }, | |
150 | { | |
151 | .connected = CC_LINEIN, | |
152 | .codec_bit = 2, | |
153 | }, | |
154 | {} /* terminate array by .connected == 0 */ | |
155 | }; | |
156 | ||
157 | /* tas on machines without line out */ | |
158 | static struct codec_connection tas_connections_nolineout[] = { | |
159 | { | |
160 | .connected = CC_SPEAKERS | CC_HEADPHONE, | |
161 | .codec_bit = 0, | |
162 | }, | |
163 | { | |
164 | .connected = CC_LINEIN, | |
165 | .codec_bit = 2, | |
166 | }, | |
167 | { | |
168 | .connected = CC_MICROPHONE, | |
169 | .codec_bit = 3, | |
170 | }, | |
171 | {} /* terminate array by .connected == 0 */ | |
172 | }; | |
173 | ||
174 | /* tas on machines with neither line out nor line in */ | |
175 | static struct codec_connection tas_connections_noline[] = { | |
176 | { | |
177 | .connected = CC_SPEAKERS | CC_HEADPHONE, | |
178 | .codec_bit = 0, | |
179 | }, | |
180 | { | |
181 | .connected = CC_MICROPHONE, | |
182 | .codec_bit = 3, | |
183 | }, | |
184 | {} /* terminate array by .connected == 0 */ | |
185 | }; | |
186 | ||
187 | /* tas on machines without microphone */ | |
188 | static struct codec_connection tas_connections_nomic[] = { | |
189 | { | |
190 | .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT, | |
191 | .codec_bit = 0, | |
192 | }, | |
193 | { | |
194 | .connected = CC_LINEIN, | |
195 | .codec_bit = 2, | |
196 | }, | |
197 | {} /* terminate array by .connected == 0 */ | |
198 | }; | |
199 | ||
200 | /* tas on machines with everything connected */ | |
201 | static struct codec_connection tas_connections_all[] = { | |
202 | { | |
203 | .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT, | |
204 | .codec_bit = 0, | |
205 | }, | |
206 | { | |
207 | .connected = CC_LINEIN, | |
208 | .codec_bit = 2, | |
209 | }, | |
210 | { | |
211 | .connected = CC_MICROPHONE, | |
212 | .codec_bit = 3, | |
213 | }, | |
214 | {} /* terminate array by .connected == 0 */ | |
215 | }; | |
216 | ||
217 | static struct codec_connection toonie_connections[] = { | |
218 | { | |
219 | .connected = CC_SPEAKERS | CC_HEADPHONE, | |
220 | .codec_bit = 0, | |
221 | }, | |
222 | {} /* terminate array by .connected == 0 */ | |
223 | }; | |
224 | ||
225 | static struct codec_connection topaz_input[] = { | |
226 | { | |
227 | .connected = CC_DIGITALIN, | |
228 | .codec_bit = 0, | |
229 | }, | |
230 | {} /* terminate array by .connected == 0 */ | |
231 | }; | |
232 | ||
233 | static struct codec_connection topaz_output[] = { | |
234 | { | |
235 | .connected = CC_DIGITALOUT, | |
236 | .codec_bit = 1, | |
237 | }, | |
238 | {} /* terminate array by .connected == 0 */ | |
239 | }; | |
240 | ||
241 | static struct codec_connection topaz_inout[] = { | |
242 | { | |
243 | .connected = CC_DIGITALIN, | |
244 | .codec_bit = 0, | |
245 | }, | |
246 | { | |
247 | .connected = CC_DIGITALOUT, | |
248 | .codec_bit = 1, | |
249 | }, | |
250 | {} /* terminate array by .connected == 0 */ | |
251 | }; | |
252 | ||
253 | static struct layout layouts[] = { | |
254 | /* last PowerBooks (15" Oct 2005) */ | |
255 | { .layout_id = 82, | |
256 | .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF, | |
257 | .codecs[0] = { | |
258 | .name = "onyx", | |
259 | .connections = onyx_connections_noheadphones, | |
260 | }, | |
261 | .codecs[1] = { | |
262 | .name = "topaz", | |
263 | .connections = topaz_input, | |
264 | }, | |
265 | }, | |
266 | /* PowerMac9,1 */ | |
267 | { .layout_id = 60, | |
268 | .codecs[0] = { | |
269 | .name = "onyx", | |
270 | .connections = onyx_connections_reallineout, | |
271 | }, | |
272 | }, | |
273 | /* PowerMac9,1 */ | |
274 | { .layout_id = 61, | |
275 | .codecs[0] = { | |
276 | .name = "topaz", | |
277 | .connections = topaz_input, | |
278 | }, | |
279 | }, | |
280 | /* PowerBook5,7 */ | |
281 | { .layout_id = 64, | |
282 | .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF, | |
283 | .codecs[0] = { | |
284 | .name = "onyx", | |
285 | .connections = onyx_connections_noheadphones, | |
286 | }, | |
287 | }, | |
288 | /* PowerBook5,7 */ | |
289 | { .layout_id = 65, | |
290 | .codecs[0] = { | |
291 | .name = "topaz", | |
292 | .connections = topaz_input, | |
293 | }, | |
294 | }, | |
295 | /* PowerBook5,9 [17" Oct 2005] */ | |
296 | { .layout_id = 84, | |
297 | .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF, | |
298 | .codecs[0] = { | |
299 | .name = "onyx", | |
300 | .connections = onyx_connections_noheadphones, | |
301 | }, | |
302 | .codecs[1] = { | |
303 | .name = "topaz", | |
304 | .connections = topaz_input, | |
305 | }, | |
306 | }, | |
307 | /* PowerMac8,1 */ | |
308 | { .layout_id = 45, | |
309 | .codecs[0] = { | |
310 | .name = "onyx", | |
311 | .connections = onyx_connections_noheadphones, | |
312 | }, | |
313 | .codecs[1] = { | |
314 | .name = "topaz", | |
315 | .connections = topaz_input, | |
316 | }, | |
317 | }, | |
318 | /* Quad PowerMac (analog in, analog/digital out) */ | |
319 | { .layout_id = 68, | |
320 | .codecs[0] = { | |
321 | .name = "onyx", | |
322 | .connections = onyx_connections_nomic, | |
323 | }, | |
324 | }, | |
325 | /* Quad PowerMac (digital in) */ | |
326 | { .layout_id = 69, | |
327 | .codecs[0] = { | |
328 | .name = "topaz", | |
329 | .connections = topaz_input, | |
330 | }, | |
331 | .busname = "digital in", .pcmid = 1 }, | |
332 | /* Early 2005 PowerBook (PowerBook 5,6) */ | |
333 | { .layout_id = 70, | |
334 | .codecs[0] = { | |
335 | .name = "tas", | |
336 | .connections = tas_connections_nolineout, | |
337 | }, | |
338 | }, | |
339 | /* PowerBook 5,4 */ | |
340 | { .layout_id = 51, | |
341 | .codecs[0] = { | |
342 | .name = "tas", | |
343 | .connections = tas_connections_nolineout, | |
344 | }, | |
345 | }, | |
346 | /* PowerBook6,7 */ | |
347 | { .layout_id = 80, | |
348 | .codecs[0] = { | |
349 | .name = "tas", | |
350 | .connections = tas_connections_noline, | |
351 | }, | |
352 | }, | |
353 | /* PowerBook6,8 */ | |
354 | { .layout_id = 72, | |
355 | .codecs[0] = { | |
356 | .name = "tas", | |
357 | .connections = tas_connections_nolineout, | |
358 | }, | |
359 | }, | |
360 | /* PowerMac8,2 */ | |
361 | { .layout_id = 86, | |
362 | .codecs[0] = { | |
363 | .name = "onyx", | |
364 | .connections = onyx_connections_nomic, | |
365 | }, | |
366 | .codecs[1] = { | |
367 | .name = "topaz", | |
368 | .connections = topaz_input, | |
369 | }, | |
370 | }, | |
371 | /* PowerBook6,7 */ | |
372 | { .layout_id = 92, | |
373 | .codecs[0] = { | |
374 | .name = "tas", | |
375 | .connections = tas_connections_nolineout, | |
376 | }, | |
377 | }, | |
378 | /* PowerMac10,1 (Mac Mini) */ | |
379 | { .layout_id = 58, | |
380 | .codecs[0] = { | |
381 | .name = "toonie", | |
382 | .connections = toonie_connections, | |
383 | }, | |
384 | }, | |
c6feefd0 JB |
385 | { |
386 | .layout_id = 96, | |
387 | .codecs[0] = { | |
388 | .name = "onyx", | |
389 | .connections = onyx_connections_noheadphones, | |
390 | }, | |
391 | }, | |
f3d9478b JB |
392 | /* unknown, untested, but this comes from Apple */ |
393 | { .layout_id = 41, | |
394 | .codecs[0] = { | |
395 | .name = "tas", | |
396 | .connections = tas_connections_all, | |
397 | }, | |
398 | }, | |
399 | { .layout_id = 36, | |
400 | .codecs[0] = { | |
401 | .name = "tas", | |
402 | .connections = tas_connections_nomic, | |
403 | }, | |
404 | .codecs[1] = { | |
405 | .name = "topaz", | |
406 | .connections = topaz_inout, | |
407 | }, | |
408 | }, | |
409 | { .layout_id = 47, | |
410 | .codecs[0] = { | |
411 | .name = "onyx", | |
412 | .connections = onyx_connections_noheadphones, | |
413 | }, | |
414 | }, | |
415 | { .layout_id = 48, | |
416 | .codecs[0] = { | |
417 | .name = "topaz", | |
418 | .connections = topaz_input, | |
419 | }, | |
420 | }, | |
421 | { .layout_id = 49, | |
422 | .codecs[0] = { | |
423 | .name = "onyx", | |
424 | .connections = onyx_connections_nomic, | |
425 | }, | |
426 | }, | |
427 | { .layout_id = 50, | |
428 | .codecs[0] = { | |
429 | .name = "topaz", | |
430 | .connections = topaz_input, | |
431 | }, | |
432 | }, | |
433 | { .layout_id = 56, | |
434 | .codecs[0] = { | |
435 | .name = "onyx", | |
436 | .connections = onyx_connections_noheadphones, | |
437 | }, | |
438 | }, | |
439 | { .layout_id = 57, | |
440 | .codecs[0] = { | |
441 | .name = "topaz", | |
442 | .connections = topaz_input, | |
443 | }, | |
444 | }, | |
445 | { .layout_id = 62, | |
446 | .codecs[0] = { | |
447 | .name = "onyx", | |
448 | .connections = onyx_connections_noheadphones, | |
449 | }, | |
450 | .codecs[1] = { | |
451 | .name = "topaz", | |
452 | .connections = topaz_output, | |
453 | }, | |
454 | }, | |
455 | { .layout_id = 66, | |
456 | .codecs[0] = { | |
457 | .name = "onyx", | |
458 | .connections = onyx_connections_noheadphones, | |
459 | }, | |
460 | }, | |
461 | { .layout_id = 67, | |
462 | .codecs[0] = { | |
463 | .name = "topaz", | |
464 | .connections = topaz_input, | |
465 | }, | |
466 | }, | |
467 | { .layout_id = 76, | |
468 | .codecs[0] = { | |
469 | .name = "tas", | |
470 | .connections = tas_connections_nomic, | |
471 | }, | |
472 | .codecs[1] = { | |
473 | .name = "topaz", | |
474 | .connections = topaz_inout, | |
475 | }, | |
476 | }, | |
477 | { .layout_id = 90, | |
478 | .codecs[0] = { | |
479 | .name = "tas", | |
480 | .connections = tas_connections_noline, | |
481 | }, | |
482 | }, | |
483 | { .layout_id = 94, | |
484 | .codecs[0] = { | |
485 | .name = "onyx", | |
486 | /* but it has an external mic?? how to select? */ | |
487 | .connections = onyx_connections_noheadphones, | |
488 | }, | |
489 | }, | |
f3d9478b JB |
490 | { .layout_id = 98, |
491 | .codecs[0] = { | |
492 | .name = "toonie", | |
493 | .connections = toonie_connections, | |
494 | }, | |
495 | }, | |
496 | { .layout_id = 100, | |
497 | .codecs[0] = { | |
498 | .name = "topaz", | |
499 | .connections = topaz_input, | |
500 | }, | |
501 | .codecs[1] = { | |
502 | .name = "onyx", | |
503 | .connections = onyx_connections_noheadphones, | |
504 | }, | |
505 | }, | |
506 | {} | |
507 | }; | |
508 | ||
509 | static struct layout *find_layout_by_id(unsigned int id) | |
510 | { | |
511 | struct layout *l; | |
512 | ||
513 | l = layouts; | |
514 | while (l->layout_id) { | |
515 | if (l->layout_id == id) | |
516 | return l; | |
517 | l++; | |
518 | } | |
519 | return NULL; | |
520 | } | |
521 | ||
522 | static void use_layout(struct layout *l) | |
523 | { | |
524 | int i; | |
525 | ||
526 | for (i=0; i<MAX_CODECS_PER_BUS; i++) { | |
527 | if (l->codecs[i].name) { | |
528 | request_module("snd-aoa-codec-%s", l->codecs[i].name); | |
529 | } | |
530 | } | |
531 | /* now we wait for the codecs to call us back */ | |
532 | } | |
533 | ||
534 | struct layout_dev; | |
535 | ||
536 | struct layout_dev_ptr { | |
537 | struct layout_dev *ptr; | |
538 | }; | |
539 | ||
540 | struct layout_dev { | |
541 | struct list_head list; | |
542 | struct soundbus_dev *sdev; | |
543 | struct device_node *sound; | |
544 | struct aoa_codec *codecs[MAX_CODECS_PER_BUS]; | |
545 | struct layout *layout; | |
546 | struct gpio_runtime gpio; | |
547 | ||
548 | /* we need these for headphone/lineout detection */ | |
549 | struct snd_kcontrol *headphone_ctrl; | |
550 | struct snd_kcontrol *lineout_ctrl; | |
551 | struct snd_kcontrol *speaker_ctrl; | |
552 | struct snd_kcontrol *headphone_detected_ctrl; | |
553 | struct snd_kcontrol *lineout_detected_ctrl; | |
554 | ||
555 | struct layout_dev_ptr selfptr_headphone; | |
556 | struct layout_dev_ptr selfptr_lineout; | |
557 | ||
558 | u32 have_lineout_detect:1, | |
559 | have_headphone_detect:1, | |
560 | switch_on_headphone:1, | |
561 | switch_on_lineout:1; | |
562 | }; | |
563 | ||
564 | static LIST_HEAD(layouts_list); | |
565 | static int layouts_list_items; | |
566 | /* this can go away but only if we allow multiple cards, | |
567 | * make the fabric handle all the card stuff, etc... */ | |
568 | static struct layout_dev *layout_device; | |
569 | ||
570 | static int control_info(struct snd_kcontrol *kcontrol, | |
571 | struct snd_ctl_elem_info *uinfo) | |
572 | { | |
573 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
574 | uinfo->count = 1; | |
575 | uinfo->value.integer.min = 0; | |
576 | uinfo->value.integer.max = 1; | |
577 | return 0; | |
578 | } | |
579 | ||
580 | #define AMP_CONTROL(n, description) \ | |
581 | static int n##_control_get(struct snd_kcontrol *kcontrol, \ | |
582 | struct snd_ctl_elem_value *ucontrol) \ | |
583 | { \ | |
584 | struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol); \ | |
585 | if (gpio->methods && gpio->methods->get_##n) \ | |
586 | ucontrol->value.integer.value[0] = \ | |
587 | gpio->methods->get_##n(gpio); \ | |
588 | return 0; \ | |
589 | } \ | |
590 | static int n##_control_put(struct snd_kcontrol *kcontrol, \ | |
591 | struct snd_ctl_elem_value *ucontrol) \ | |
592 | { \ | |
593 | struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol); \ | |
594 | if (gpio->methods && gpio->methods->get_##n) \ | |
595 | gpio->methods->set_##n(gpio, \ | |
596 | ucontrol->value.integer.value[0]); \ | |
597 | return 1; \ | |
598 | } \ | |
599 | static struct snd_kcontrol_new n##_ctl = { \ | |
600 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ | |
601 | .name = description, \ | |
602 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \ | |
603 | .info = control_info, \ | |
604 | .get = n##_control_get, \ | |
605 | .put = n##_control_put, \ | |
606 | } | |
607 | ||
608 | AMP_CONTROL(headphone, "Headphone Switch"); | |
609 | AMP_CONTROL(speakers, "Speakers Switch"); | |
610 | AMP_CONTROL(lineout, "Line-Out Switch"); | |
611 | ||
612 | static int detect_choice_get(struct snd_kcontrol *kcontrol, | |
613 | struct snd_ctl_elem_value *ucontrol) | |
614 | { | |
615 | struct layout_dev *ldev = snd_kcontrol_chip(kcontrol); | |
616 | ||
617 | switch (kcontrol->private_value) { | |
618 | case 0: | |
619 | ucontrol->value.integer.value[0] = ldev->switch_on_headphone; | |
620 | break; | |
621 | case 1: | |
622 | ucontrol->value.integer.value[0] = ldev->switch_on_lineout; | |
623 | break; | |
624 | default: | |
625 | return -ENODEV; | |
626 | } | |
627 | return 0; | |
628 | } | |
629 | ||
630 | static int detect_choice_put(struct snd_kcontrol *kcontrol, | |
631 | struct snd_ctl_elem_value *ucontrol) | |
632 | { | |
633 | struct layout_dev *ldev = snd_kcontrol_chip(kcontrol); | |
634 | ||
635 | switch (kcontrol->private_value) { | |
636 | case 0: | |
637 | ldev->switch_on_headphone = !!ucontrol->value.integer.value[0]; | |
638 | break; | |
639 | case 1: | |
640 | ldev->switch_on_lineout = !!ucontrol->value.integer.value[0]; | |
641 | break; | |
642 | default: | |
643 | return -ENODEV; | |
644 | } | |
645 | return 1; | |
646 | } | |
647 | ||
648 | static struct snd_kcontrol_new headphone_detect_choice = { | |
649 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
650 | .name = "Headphone Detect Autoswitch", | |
651 | .info = control_info, | |
652 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
653 | .get = detect_choice_get, | |
654 | .put = detect_choice_put, | |
655 | .private_value = 0, | |
656 | }; | |
657 | ||
658 | static struct snd_kcontrol_new lineout_detect_choice = { | |
659 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
660 | .name = "Line-Out Detect Autoswitch", | |
661 | .info = control_info, | |
662 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
663 | .get = detect_choice_get, | |
664 | .put = detect_choice_put, | |
665 | .private_value = 1, | |
666 | }; | |
667 | ||
668 | static int detected_get(struct snd_kcontrol *kcontrol, | |
669 | struct snd_ctl_elem_value *ucontrol) | |
670 | { | |
671 | struct layout_dev *ldev = snd_kcontrol_chip(kcontrol); | |
672 | int v; | |
673 | ||
674 | switch (kcontrol->private_value) { | |
675 | case 0: | |
676 | v = ldev->gpio.methods->get_detect(&ldev->gpio, | |
677 | AOA_NOTIFY_HEADPHONE); | |
678 | break; | |
679 | case 1: | |
680 | v = ldev->gpio.methods->get_detect(&ldev->gpio, | |
681 | AOA_NOTIFY_LINE_OUT); | |
682 | break; | |
683 | default: | |
684 | return -ENODEV; | |
685 | } | |
686 | ucontrol->value.integer.value[0] = v; | |
687 | return 0; | |
688 | } | |
689 | ||
690 | static struct snd_kcontrol_new headphone_detected = { | |
691 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
692 | .name = "Headphone Detected", | |
693 | .info = control_info, | |
694 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
695 | .get = detected_get, | |
696 | .private_value = 0, | |
697 | }; | |
698 | ||
699 | static struct snd_kcontrol_new lineout_detected = { | |
700 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
701 | .name = "Line-Out Detected", | |
702 | .info = control_info, | |
703 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
704 | .get = detected_get, | |
705 | .private_value = 1, | |
706 | }; | |
707 | ||
708 | static int check_codec(struct aoa_codec *codec, | |
709 | struct layout_dev *ldev, | |
710 | struct codec_connect_info *cci) | |
711 | { | |
712 | u32 *ref; | |
713 | char propname[32]; | |
714 | struct codec_connection *cc; | |
715 | ||
716 | /* if the codec has a 'codec' node, we require a reference */ | |
717 | if (codec->node && (strcmp(codec->node->name, "codec") == 0)) { | |
718 | snprintf(propname, sizeof(propname), | |
719 | "platform-%s-codec-ref", codec->name); | |
720 | ref = (u32*)get_property(ldev->sound, propname, NULL); | |
721 | if (!ref) { | |
722 | printk(KERN_INFO "snd-aoa-fabric-layout: " | |
723 | "required property %s not present\n", propname); | |
724 | return -ENODEV; | |
725 | } | |
726 | if (*ref != codec->node->linux_phandle) { | |
727 | printk(KERN_INFO "snd-aoa-fabric-layout: " | |
728 | "%s doesn't match!\n", propname); | |
729 | return -ENODEV; | |
730 | } | |
731 | } else { | |
732 | if (layouts_list_items != 1) { | |
733 | printk(KERN_INFO "snd-aoa-fabric-layout: " | |
734 | "more than one soundbus, but no references.\n"); | |
735 | return -ENODEV; | |
736 | } | |
737 | } | |
738 | codec->soundbus_dev = ldev->sdev; | |
739 | codec->gpio = &ldev->gpio; | |
740 | ||
741 | cc = cci->connections; | |
742 | if (!cc) | |
743 | return -EINVAL; | |
744 | ||
745 | printk(KERN_INFO "snd-aoa-fabric-layout: can use this codec\n"); | |
746 | ||
747 | codec->connected = 0; | |
748 | codec->fabric_data = cc; | |
749 | ||
750 | while (cc->connected) { | |
751 | codec->connected |= 1<<cc->codec_bit; | |
752 | cc++; | |
753 | } | |
754 | ||
755 | return 0; | |
756 | } | |
757 | ||
758 | static int layout_found_codec(struct aoa_codec *codec) | |
759 | { | |
760 | struct layout_dev *ldev; | |
761 | int i; | |
762 | ||
763 | list_for_each_entry(ldev, &layouts_list, list) { | |
764 | for (i=0; i<MAX_CODECS_PER_BUS; i++) { | |
765 | if (!ldev->layout->codecs[i].name) | |
766 | continue; | |
767 | if (strcmp(ldev->layout->codecs[i].name, codec->name) == 0) { | |
768 | if (check_codec(codec, | |
769 | ldev, | |
770 | &ldev->layout->codecs[i]) == 0) | |
771 | return 0; | |
772 | } | |
773 | } | |
774 | } | |
775 | return -ENODEV; | |
776 | } | |
777 | ||
778 | static void layout_remove_codec(struct aoa_codec *codec) | |
779 | { | |
780 | int i; | |
781 | /* here remove the codec from the layout dev's | |
782 | * codec reference */ | |
783 | ||
784 | codec->soundbus_dev = NULL; | |
785 | codec->gpio = NULL; | |
786 | for (i=0; i<MAX_CODECS_PER_BUS; i++) { | |
787 | } | |
788 | } | |
789 | ||
790 | static void layout_notify(void *data) | |
791 | { | |
792 | struct layout_dev_ptr *dptr = data; | |
793 | struct layout_dev *ldev; | |
794 | int v, update; | |
795 | struct snd_kcontrol *detected, *c; | |
796 | struct snd_card *card = aoa_get_card(); | |
797 | ||
798 | ldev = dptr->ptr; | |
799 | if (data == &ldev->selfptr_headphone) { | |
800 | v = ldev->gpio.methods->get_detect(&ldev->gpio, AOA_NOTIFY_HEADPHONE); | |
801 | detected = ldev->headphone_detected_ctrl; | |
802 | update = ldev->switch_on_headphone; | |
803 | if (update) { | |
804 | ldev->gpio.methods->set_speakers(&ldev->gpio, !v); | |
805 | ldev->gpio.methods->set_headphone(&ldev->gpio, v); | |
806 | ldev->gpio.methods->set_lineout(&ldev->gpio, 0); | |
807 | } | |
808 | } else if (data == &ldev->selfptr_lineout) { | |
809 | v = ldev->gpio.methods->get_detect(&ldev->gpio, AOA_NOTIFY_LINE_OUT); | |
810 | detected = ldev->lineout_detected_ctrl; | |
811 | update = ldev->switch_on_lineout; | |
812 | if (update) { | |
813 | ldev->gpio.methods->set_speakers(&ldev->gpio, !v); | |
814 | ldev->gpio.methods->set_headphone(&ldev->gpio, 0); | |
815 | ldev->gpio.methods->set_lineout(&ldev->gpio, v); | |
816 | } | |
817 | } else | |
818 | return; | |
819 | ||
820 | if (detected) | |
821 | snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &detected->id); | |
822 | if (update) { | |
823 | c = ldev->headphone_ctrl; | |
824 | if (c) | |
825 | snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id); | |
826 | c = ldev->speaker_ctrl; | |
827 | if (c) | |
828 | snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id); | |
829 | c = ldev->lineout_ctrl; | |
830 | if (c) | |
831 | snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id); | |
832 | } | |
833 | } | |
834 | ||
835 | static void layout_attached_codec(struct aoa_codec *codec) | |
836 | { | |
837 | struct codec_connection *cc; | |
838 | struct snd_kcontrol *ctl; | |
839 | int headphones, lineout; | |
840 | struct layout_dev *ldev = layout_device; | |
841 | ||
842 | /* need to add this codec to our codec array! */ | |
843 | ||
844 | cc = codec->fabric_data; | |
845 | ||
846 | headphones = codec->gpio->methods->get_detect(codec->gpio, | |
847 | AOA_NOTIFY_HEADPHONE); | |
848 | lineout = codec->gpio->methods->get_detect(codec->gpio, | |
849 | AOA_NOTIFY_LINE_OUT); | |
850 | ||
851 | while (cc->connected) { | |
852 | if (cc->connected & CC_SPEAKERS) { | |
853 | if (headphones <= 0 && lineout <= 0) | |
854 | ldev->gpio.methods->set_speakers(codec->gpio, 1); | |
855 | ctl = snd_ctl_new1(&speakers_ctl, codec->gpio); | |
856 | ldev->speaker_ctrl = ctl; | |
857 | aoa_snd_ctl_add(ctl); | |
858 | } | |
859 | if (cc->connected & CC_HEADPHONE) { | |
860 | if (headphones == 1) | |
861 | ldev->gpio.methods->set_headphone(codec->gpio, 1); | |
862 | ctl = snd_ctl_new1(&headphone_ctl, codec->gpio); | |
863 | ldev->headphone_ctrl = ctl; | |
864 | aoa_snd_ctl_add(ctl); | |
865 | ldev->have_headphone_detect = | |
866 | !ldev->gpio.methods | |
867 | ->set_notify(&ldev->gpio, | |
868 | AOA_NOTIFY_HEADPHONE, | |
869 | layout_notify, | |
870 | &ldev->selfptr_headphone); | |
871 | if (ldev->have_headphone_detect) { | |
872 | ctl = snd_ctl_new1(&headphone_detect_choice, | |
873 | ldev); | |
874 | aoa_snd_ctl_add(ctl); | |
875 | ctl = snd_ctl_new1(&headphone_detected, | |
876 | ldev); | |
877 | ldev->headphone_detected_ctrl = ctl; | |
878 | aoa_snd_ctl_add(ctl); | |
879 | } | |
880 | } | |
881 | if (cc->connected & CC_LINEOUT) { | |
882 | if (lineout == 1) | |
883 | ldev->gpio.methods->set_lineout(codec->gpio, 1); | |
884 | ctl = snd_ctl_new1(&lineout_ctl, codec->gpio); | |
885 | if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE) | |
886 | strlcpy(ctl->id.name, | |
887 | "Headphone Switch", sizeof(ctl->id.name)); | |
888 | ldev->lineout_ctrl = ctl; | |
889 | aoa_snd_ctl_add(ctl); | |
890 | ldev->have_lineout_detect = | |
891 | !ldev->gpio.methods | |
892 | ->set_notify(&ldev->gpio, | |
893 | AOA_NOTIFY_LINE_OUT, | |
894 | layout_notify, | |
895 | &ldev->selfptr_lineout); | |
896 | if (ldev->have_lineout_detect) { | |
897 | ctl = snd_ctl_new1(&lineout_detect_choice, | |
898 | ldev); | |
899 | if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE) | |
900 | strlcpy(ctl->id.name, | |
901 | "Headphone Detect Autoswitch", | |
902 | sizeof(ctl->id.name)); | |
903 | aoa_snd_ctl_add(ctl); | |
904 | ctl = snd_ctl_new1(&lineout_detected, | |
905 | ldev); | |
906 | if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE) | |
907 | strlcpy(ctl->id.name, | |
908 | "Headphone Detected", | |
909 | sizeof(ctl->id.name)); | |
910 | ldev->lineout_detected_ctrl = ctl; | |
911 | aoa_snd_ctl_add(ctl); | |
912 | } | |
913 | } | |
914 | cc++; | |
915 | } | |
916 | /* now update initial state */ | |
917 | if (ldev->have_headphone_detect) | |
918 | layout_notify(&ldev->selfptr_headphone); | |
919 | if (ldev->have_lineout_detect) | |
920 | layout_notify(&ldev->selfptr_lineout); | |
921 | } | |
922 | ||
923 | static struct aoa_fabric layout_fabric = { | |
924 | .name = "SoundByLayout", | |
925 | .owner = THIS_MODULE, | |
926 | .found_codec = layout_found_codec, | |
927 | .remove_codec = layout_remove_codec, | |
928 | .attached_codec = layout_attached_codec, | |
929 | }; | |
930 | ||
931 | static int aoa_fabric_layout_probe(struct soundbus_dev *sdev) | |
932 | { | |
933 | struct device_node *sound = NULL; | |
934 | unsigned int *layout_id; | |
935 | struct layout *layout; | |
936 | struct layout_dev *ldev = NULL; | |
937 | int err; | |
938 | ||
939 | /* hm, currently we can only have one ... */ | |
940 | if (layout_device) | |
941 | return -ENODEV; | |
942 | ||
943 | /* by breaking out we keep a reference */ | |
944 | while ((sound = of_get_next_child(sdev->ofdev.node, sound))) { | |
945 | if (sound->type && strcasecmp(sound->type, "soundchip") == 0) | |
946 | break; | |
947 | } | |
948 | if (!sound) return -ENODEV; | |
949 | ||
950 | layout_id = (unsigned int *) get_property(sound, "layout-id", NULL); | |
951 | if (!layout_id) | |
952 | goto outnodev; | |
a677c8fb BH |
953 | printk(KERN_INFO "snd-aoa-fabric-layout: found bus with layout %d\n", |
954 | *layout_id); | |
f3d9478b JB |
955 | |
956 | layout = find_layout_by_id(*layout_id); | |
957 | if (!layout) { | |
a677c8fb | 958 | printk(KERN_ERR "snd-aoa-fabric-layout: unknown layout\n"); |
f3d9478b JB |
959 | goto outnodev; |
960 | } | |
961 | ||
962 | ldev = kzalloc(sizeof(struct layout_dev), GFP_KERNEL); | |
963 | if (!ldev) | |
964 | goto outnodev; | |
965 | ||
966 | layout_device = ldev; | |
967 | ldev->sdev = sdev; | |
968 | ldev->sound = sound; | |
969 | ldev->layout = layout; | |
970 | ldev->gpio.node = sound->parent; | |
971 | switch (layout->layout_id) { | |
972 | case 41: /* that unknown machine no one seems to have */ | |
973 | case 51: /* PowerBook5,4 */ | |
974 | case 58: /* Mac Mini */ | |
975 | ldev->gpio.methods = ftr_gpio_methods; | |
a677c8fb BH |
976 | printk(KERN_DEBUG |
977 | "snd-aoa-fabric-layout: Using direct GPIOs\n"); | |
f3d9478b JB |
978 | break; |
979 | default: | |
980 | ldev->gpio.methods = pmf_gpio_methods; | |
a677c8fb BH |
981 | printk(KERN_DEBUG |
982 | "snd-aoa-fabric-layout: Using PMF GPIOs\n"); | |
f3d9478b JB |
983 | } |
984 | ldev->selfptr_headphone.ptr = ldev; | |
985 | ldev->selfptr_lineout.ptr = ldev; | |
986 | sdev->ofdev.dev.driver_data = ldev; | |
f3d9478b JB |
987 | list_add(&ldev->list, &layouts_list); |
988 | layouts_list_items++; | |
989 | ||
990 | /* assign these before registering ourselves, so | |
991 | * callbacks that are done during registration | |
992 | * already have the values */ | |
993 | sdev->pcmid = ldev->layout->pcmid; | |
994 | if (ldev->layout->busname) { | |
995 | sdev->pcmname = ldev->layout->busname; | |
996 | } else { | |
997 | sdev->pcmname = "Master"; | |
998 | } | |
999 | ||
1000 | ldev->gpio.methods->init(&ldev->gpio); | |
1001 | ||
1002 | err = aoa_fabric_register(&layout_fabric); | |
1003 | if (err && err != -EALREADY) { | |
1004 | printk(KERN_INFO "snd-aoa-fabric-layout: can't use," | |
1005 | " another fabric is active!\n"); | |
1006 | goto outlistdel; | |
1007 | } | |
1008 | ||
1009 | use_layout(layout); | |
1010 | ldev->switch_on_headphone = 1; | |
1011 | ldev->switch_on_lineout = 1; | |
1012 | return 0; | |
1013 | outlistdel: | |
1014 | /* we won't be using these then... */ | |
1015 | ldev->gpio.methods->exit(&ldev->gpio); | |
1016 | /* reset if we didn't use it */ | |
1017 | sdev->pcmname = NULL; | |
1018 | sdev->pcmid = -1; | |
1019 | list_del(&ldev->list); | |
1020 | layouts_list_items--; | |
1021 | outnodev: | |
1022 | if (sound) of_node_put(sound); | |
1023 | layout_device = NULL; | |
1024 | if (ldev) kfree(ldev); | |
1025 | return -ENODEV; | |
1026 | } | |
1027 | ||
1028 | static int aoa_fabric_layout_remove(struct soundbus_dev *sdev) | |
1029 | { | |
1030 | struct layout_dev *ldev = sdev->ofdev.dev.driver_data; | |
1031 | int i; | |
1032 | ||
1033 | for (i=0; i<MAX_CODECS_PER_BUS; i++) { | |
1034 | if (ldev->codecs[i]) { | |
1035 | aoa_fabric_unlink_codec(ldev->codecs[i]); | |
1036 | } | |
1037 | ldev->codecs[i] = NULL; | |
1038 | } | |
1039 | list_del(&ldev->list); | |
1040 | layouts_list_items--; | |
1041 | of_node_put(ldev->sound); | |
1042 | ||
1043 | ldev->gpio.methods->set_notify(&ldev->gpio, | |
1044 | AOA_NOTIFY_HEADPHONE, | |
1045 | NULL, | |
1046 | NULL); | |
1047 | ldev->gpio.methods->set_notify(&ldev->gpio, | |
1048 | AOA_NOTIFY_LINE_OUT, | |
1049 | NULL, | |
1050 | NULL); | |
1051 | ||
1052 | ldev->gpio.methods->exit(&ldev->gpio); | |
1053 | layout_device = NULL; | |
1054 | kfree(ldev); | |
1055 | sdev->pcmid = -1; | |
1056 | sdev->pcmname = NULL; | |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | #ifdef CONFIG_PM | |
1061 | static int aoa_fabric_layout_suspend(struct soundbus_dev *sdev, pm_message_t state) | |
1062 | { | |
1063 | struct layout_dev *ldev = sdev->ofdev.dev.driver_data; | |
1064 | ||
1065 | printk("aoa_fabric_layout_suspend()\n"); | |
1066 | ||
1067 | if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off) | |
1068 | ldev->gpio.methods->all_amps_off(&ldev->gpio); | |
1069 | ||
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | static int aoa_fabric_layout_resume(struct soundbus_dev *sdev) | |
1074 | { | |
1075 | struct layout_dev *ldev = sdev->ofdev.dev.driver_data; | |
1076 | ||
1077 | printk("aoa_fabric_layout_resume()\n"); | |
1078 | ||
1079 | if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off) | |
1080 | ldev->gpio.methods->all_amps_restore(&ldev->gpio); | |
1081 | ||
1082 | return 0; | |
1083 | } | |
1084 | #endif | |
1085 | ||
1086 | static struct soundbus_driver aoa_soundbus_driver = { | |
1087 | .name = "snd_aoa_soundbus_drv", | |
1088 | .owner = THIS_MODULE, | |
1089 | .probe = aoa_fabric_layout_probe, | |
1090 | .remove = aoa_fabric_layout_remove, | |
1091 | #ifdef CONFIG_PM | |
1092 | .suspend = aoa_fabric_layout_suspend, | |
1093 | .resume = aoa_fabric_layout_resume, | |
1094 | #endif | |
1095 | }; | |
1096 | ||
1097 | static int __init aoa_fabric_layout_init(void) | |
1098 | { | |
1099 | int err; | |
1100 | ||
1101 | err = soundbus_register_driver(&aoa_soundbus_driver); | |
1102 | if (err) | |
1103 | return err; | |
1104 | return 0; | |
1105 | } | |
1106 | ||
1107 | static void __exit aoa_fabric_layout_exit(void) | |
1108 | { | |
1109 | soundbus_unregister_driver(&aoa_soundbus_driver); | |
1110 | aoa_fabric_unregister(&layout_fabric); | |
1111 | } | |
1112 | ||
1113 | module_init(aoa_fabric_layout_init); | |
1114 | module_exit(aoa_fabric_layout_exit); |