1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Apple Onboard Audio driver -- layout/machine id fabric
4 *
5 * Copyright 2006-2008 Johannes Berg <johannes@sipsolutions.net>
6 *
7 * This fabric module looks for sound codecs based on the
8 * layout-id or device-id property in the device tree.
9 */
10 #include <linux/list.h>
11 #include <linux/module.h>
12 #include <linux/of.h>
13 #include <linux/platform_device.h>
14 #include <linux/slab.h>
15 #include "../aoa.h"
16 #include "../soundbus/soundbus.h"
17
18 MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>");
19 MODULE_LICENSE("GPL");
20 MODULE_DESCRIPTION("Layout-ID fabric for snd-aoa");
21
22 #define MAX_CODECS_PER_BUS 2
23
24 /* These are the connections the layout fabric
25 * knows about. It doesn't really care about the
26 * input ones, but I thought I'd separate them
27 * to give them proper names. The thing is that
28 * Apple usually will distinguish the active output
29 * by GPIOs, while the active input is set directly
30 * on the codec. Hence we here tell the codec what
31 * we think is connected. This information is hard-
32 * coded below ... */
33 #define CC_SPEAKERS (1<<0)
34 #define CC_HEADPHONE (1<<1)
35 #define CC_LINEOUT (1<<2)
36 #define CC_DIGITALOUT (1<<3)
37 #define CC_LINEIN (1<<4)
38 #define CC_MICROPHONE (1<<5)
39 #define CC_DIGITALIN (1<<6)
40 /* pretty bogus but users complain...
41 * This is a flag saying that the LINEOUT
42 * should be renamed to HEADPHONE.
43 * be careful with input detection! */
44 #define CC_LINEOUT_LABELLED_HEADPHONE (1<<7)
45
46 struct codec_connection {
47 /* CC_ flags from above */
48 int connected;
49 /* codec dependent bit to be set in the aoa_codec.connected field.
50 * This intentionally doesn't have any generic flags because the
51 * fabric has to know the codec anyway and all codecs might have
52 * different connectors */
53 int codec_bit;
54 };
55
56 struct codec_connect_info {
57 char *name;
58 struct codec_connection *connections;
59 };
60
61 #define LAYOUT_FLAG_COMBO_LINEOUT_SPDIF (1<<0)
62
63 struct layout {
64 unsigned int layout_id, device_id;
65 struct codec_connect_info codecs[MAX_CODECS_PER_BUS];
66 int flags;
67
68 /* if busname is not assigned, we use 'Master' below,
69 * so that our layout table doesn't need to be filled
70 * too much.
71 * We only assign these two if we expect to find more
72 * than one soundbus, i.e. on those machines with
73 * multiple layout-ids */
74 char *busname;
75 int pcmid;
76 };
77
78 MODULE_ALIAS("sound-layout-36");
79 MODULE_ALIAS("sound-layout-41");
80 MODULE_ALIAS("sound-layout-45");
81 MODULE_ALIAS("sound-layout-47");
82 MODULE_ALIAS("sound-layout-48");
83 MODULE_ALIAS("sound-layout-49");
84 MODULE_ALIAS("sound-layout-50");
85 MODULE_ALIAS("sound-layout-51");
86 MODULE_ALIAS("sound-layout-56");
87 MODULE_ALIAS("sound-layout-57");
88 MODULE_ALIAS("sound-layout-58");
89 MODULE_ALIAS("sound-layout-60");
90 MODULE_ALIAS("sound-layout-61");
91 MODULE_ALIAS("sound-layout-62");
92 MODULE_ALIAS("sound-layout-64");
93 MODULE_ALIAS("sound-layout-65");
94 MODULE_ALIAS("sound-layout-66");
95 MODULE_ALIAS("sound-layout-67");
96 MODULE_ALIAS("sound-layout-68");
97 MODULE_ALIAS("sound-layout-69");
98 MODULE_ALIAS("sound-layout-70");
99 MODULE_ALIAS("sound-layout-72");
100 MODULE_ALIAS("sound-layout-76");
101 MODULE_ALIAS("sound-layout-80");
102 MODULE_ALIAS("sound-layout-82");
103 MODULE_ALIAS("sound-layout-84");
104 MODULE_ALIAS("sound-layout-86");
105 MODULE_ALIAS("sound-layout-90");
106 MODULE_ALIAS("sound-layout-92");
107 MODULE_ALIAS("sound-layout-94");
108 MODULE_ALIAS("sound-layout-96");
109 MODULE_ALIAS("sound-layout-98");
110 MODULE_ALIAS("sound-layout-100");
111
112 MODULE_ALIAS("aoa-device-id-14");
113 MODULE_ALIAS("aoa-device-id-22");
114 MODULE_ALIAS("aoa-device-id-31");
115 MODULE_ALIAS("aoa-device-id-35");
116 MODULE_ALIAS("aoa-device-id-44");
117
118 /* onyx with all but microphone connected */
119 static struct codec_connection onyx_connections_nomic[] = {
120 {
121 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
122 .codec_bit = 0,
123 },
124 {
125 .connected = CC_DIGITALOUT,
126 .codec_bit = 1,
127 },
128 {
129 .connected = CC_LINEIN,
130 .codec_bit = 2,
131 },
132 {} /* terminate array by .connected == 0 */
133 };
134
135 /* onyx on machines without headphone */
136 static struct codec_connection onyx_connections_noheadphones[] = {
137 {
138 .connected = CC_SPEAKERS | CC_LINEOUT |
139 CC_LINEOUT_LABELLED_HEADPHONE,
140 .codec_bit = 0,
141 },
142 {
143 .connected = CC_DIGITALOUT,
144 .codec_bit = 1,
145 },
146 /* FIXME: are these correct? probably not for all the machines
147 * below ... If not this will need separating. */
148 {
149 .connected = CC_LINEIN,
150 .codec_bit = 2,
151 },
152 {
153 .connected = CC_MICROPHONE,
154 .codec_bit = 3,
155 },
156 {} /* terminate array by .connected == 0 */
157 };
158
159 /* onyx on machines with real line-out */
160 static struct codec_connection onyx_connections_reallineout[] = {
161 {
162 .connected = CC_SPEAKERS | CC_LINEOUT | CC_HEADPHONE,
163 .codec_bit = 0,
164 },
165 {
166 .connected = CC_DIGITALOUT,
167 .codec_bit = 1,
168 },
169 {
170 .connected = CC_LINEIN,
171 .codec_bit = 2,
172 },
173 {} /* terminate array by .connected == 0 */
174 };
175
176 /* tas on machines without line out */
177 static struct codec_connection tas_connections_nolineout[] = {
178 {
179 .connected = CC_SPEAKERS | CC_HEADPHONE,
180 .codec_bit = 0,
181 },
182 {
183 .connected = CC_LINEIN,
184 .codec_bit = 2,
185 },
186 {
187 .connected = CC_MICROPHONE,
188 .codec_bit = 3,
189 },
190 {} /* terminate array by .connected == 0 */
191 };
192
193 /* tas on machines with neither line out nor line in */
194 static struct codec_connection tas_connections_noline[] = {
195 {
196 .connected = CC_SPEAKERS | CC_HEADPHONE,
197 .codec_bit = 0,
198 },
199 {
200 .connected = CC_MICROPHONE,
201 .codec_bit = 3,
202 },
203 {} /* terminate array by .connected == 0 */
204 };
205
206 /* tas on machines without microphone */
207 static struct codec_connection tas_connections_nomic[] = {
208 {
209 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
210 .codec_bit = 0,
211 },
212 {
213 .connected = CC_LINEIN,
214 .codec_bit = 2,
215 },
216 {} /* terminate array by .connected == 0 */
217 };
218
219 /* tas on machines with everything connected */
220 static struct codec_connection tas_connections_all[] = {
221 {
222 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
223 .codec_bit = 0,
224 },
225 {
226 .connected = CC_LINEIN,
227 .codec_bit = 2,
228 },
229 {
230 .connected = CC_MICROPHONE,
231 .codec_bit = 3,
232 },
233 {} /* terminate array by .connected == 0 */
234 };
235
236 static struct codec_connection toonie_connections[] = {
237 {
238 .connected = CC_SPEAKERS | CC_HEADPHONE,
239 .codec_bit = 0,
240 },
241 {} /* terminate array by .connected == 0 */
242 };
243
244 static struct codec_connection topaz_input[] = {
245 {
246 .connected = CC_DIGITALIN,
247 .codec_bit = 0,
248 },
249 {} /* terminate array by .connected == 0 */
250 };
251
252 static struct codec_connection topaz_output[] = {
253 {
254 .connected = CC_DIGITALOUT,
255 .codec_bit = 1,
256 },
257 {} /* terminate array by .connected == 0 */
258 };
259
260 static struct codec_connection topaz_inout[] = {
261 {
262 .connected = CC_DIGITALIN,
263 .codec_bit = 0,
264 },
265 {
266 .connected = CC_DIGITALOUT,
267 .codec_bit = 1,
268 },
269 {} /* terminate array by .connected == 0 */
270 };
271
272 static struct layout layouts[] = {
273 /* last PowerBooks (15" Oct 2005) */
274 { .layout_id = 82,
275 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
276 .codecs[0] = {
277 .name = "onyx",
278 .connections = onyx_connections_noheadphones,
279 },
280 .codecs[1] = {
281 .name = "topaz",
282 .connections = topaz_input,
283 },
284 },
285 /* PowerMac9,1 */
286 { .layout_id = 60,
287 .codecs[0] = {
288 .name = "onyx",
289 .connections = onyx_connections_reallineout,
290 },
291 },
292 /* PowerMac9,1 */
293 { .layout_id = 61,
294 .codecs[0] = {
295 .name = "topaz",
296 .connections = topaz_input,
297 },
298 },
299 /* PowerBook5,7 */
300 { .layout_id = 64,
301 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
302 .codecs[0] = {
303 .name = "onyx",
304 .connections = onyx_connections_noheadphones,
305 },
306 },
307 /* PowerBook5,7 */
308 { .layout_id = 65,
309 .codecs[0] = {
310 .name = "topaz",
311 .connections = topaz_input,
312 },
313 },
314 /* PowerBook5,9 [17" Oct 2005] */
315 { .layout_id = 84,
316 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
317 .codecs[0] = {
318 .name = "onyx",
319 .connections = onyx_connections_noheadphones,
320 },
321 .codecs[1] = {
322 .name = "topaz",
323 .connections = topaz_input,
324 },
325 },
326 /* PowerMac8,1 */
327 { .layout_id = 45,
328 .codecs[0] = {
329 .name = "onyx",
330 .connections = onyx_connections_noheadphones,
331 },
332 .codecs[1] = {
333 .name = "topaz",
334 .connections = topaz_input,
335 },
336 },
337 /* Quad PowerMac (analog in, analog/digital out) */
338 { .layout_id = 68,
339 .codecs[0] = {
340 .name = "onyx",
341 .connections = onyx_connections_nomic,
342 },
343 },
344 /* Quad PowerMac (digital in) */
345 { .layout_id = 69,
346 .codecs[0] = {
347 .name = "topaz",
348 .connections = topaz_input,
349 },
350 .busname = "digital in", .pcmid = 1 },
351 /* Early 2005 PowerBook (PowerBook 5,6) */
352 { .layout_id = 70,
353 .codecs[0] = {
354 .name = "tas",
355 .connections = tas_connections_nolineout,
356 },
357 },
358 /* PowerBook 5,4 */
359 { .layout_id = 51,
360 .codecs[0] = {
361 .name = "tas",
362 .connections = tas_connections_nolineout,
363 },
364 },
365 /* PowerBook6,1 */
366 { .device_id = 31,
367 .codecs[0] = {
368 .name = "tas",
369 .connections = tas_connections_nolineout,
370 },
371 },
372 /* PowerBook6,5 */
373 { .device_id = 44,
374 .codecs[0] = {
375 .name = "tas",
376 .connections = tas_connections_all,
377 },
378 },
379 /* PowerBook6,7 */
380 { .layout_id = 80,
381 .codecs[0] = {
382 .name = "tas",
383 .connections = tas_connections_noline,
384 },
385 },
386 /* PowerBook6,8 */
387 { .layout_id = 72,
388 .codecs[0] = {
389 .name = "tas",
390 .connections = tas_connections_nolineout,
391 },
392 },
393 /* PowerMac8,2 */
394 { .layout_id = 86,
395 .codecs[0] = {
396 .name = "onyx",
397 .connections = onyx_connections_nomic,
398 },
399 .codecs[1] = {
400 .name = "topaz",
401 .connections = topaz_input,
402 },
403 },
404 /* PowerBook6,7 */
405 { .layout_id = 92,
406 .codecs[0] = {
407 .name = "tas",
408 .connections = tas_connections_nolineout,
409 },
410 },
411 /* PowerMac10,1 (Mac Mini) */
412 { .layout_id = 58,
413 .codecs[0] = {
414 .name = "toonie",
415 .connections = toonie_connections,
416 },
417 },
418 {
419 .layout_id = 96,
420 .codecs[0] = {
421 .name = "onyx",
422 .connections = onyx_connections_noheadphones,
423 },
424 },
425 /* unknown, untested, but this comes from Apple */
426 { .layout_id = 41,
427 .codecs[0] = {
428 .name = "tas",
429 .connections = tas_connections_all,
430 },
431 },
432 { .layout_id = 36,
433 .codecs[0] = {
434 .name = "tas",
435 .connections = tas_connections_nomic,
436 },
437 .codecs[1] = {
438 .name = "topaz",
439 .connections = topaz_inout,
440 },
441 },
442 { .layout_id = 47,
443 .codecs[0] = {
444 .name = "onyx",
445 .connections = onyx_connections_noheadphones,
446 },
447 },
448 { .layout_id = 48,
449 .codecs[0] = {
450 .name = "topaz",
451 .connections = topaz_input,
452 },
453 },
454 { .layout_id = 49,
455 .codecs[0] = {
456 .name = "onyx",
457 .connections = onyx_connections_nomic,
458 },
459 },
460 { .layout_id = 50,
461 .codecs[0] = {
462 .name = "topaz",
463 .connections = topaz_input,
464 },
465 },
466 { .layout_id = 56,
467 .codecs[0] = {
468 .name = "onyx",
469 .connections = onyx_connections_noheadphones,
470 },
471 },
472 { .layout_id = 57,
473 .codecs[0] = {
474 .name = "topaz",
475 .connections = topaz_input,
476 },
477 },
478 { .layout_id = 62,
479 .codecs[0] = {
480 .name = "onyx",
481 .connections = onyx_connections_noheadphones,
482 },
483 .codecs[1] = {
484 .name = "topaz",
485 .connections = topaz_output,
486 },
487 },
488 { .layout_id = 66,
489 .codecs[0] = {
490 .name = "onyx",
491 .connections = onyx_connections_noheadphones,
492 },
493 },
494 { .layout_id = 67,
495 .codecs[0] = {
496 .name = "topaz",
497 .connections = topaz_input,
498 },
499 },
500 { .layout_id = 76,
501 .codecs[0] = {
502 .name = "tas",
503 .connections = tas_connections_nomic,
504 },
505 .codecs[1] = {
506 .name = "topaz",
507 .connections = topaz_inout,
508 },
509 },
510 { .layout_id = 90,
511 .codecs[0] = {
512 .name = "tas",
513 .connections = tas_connections_noline,
514 },
515 },
516 { .layout_id = 94,
517 .codecs[0] = {
518 .name = "onyx",
519 /* but it has an external mic?? how to select? */
520 .connections = onyx_connections_noheadphones,
521 },
522 },
523 { .layout_id = 98,
524 .codecs[0] = {
525 .name = "toonie",
526 .connections = toonie_connections,
527 },
528 },
529 { .layout_id = 100,
530 .codecs[0] = {
531 .name = "topaz",
532 .connections = topaz_input,
533 },
534 .codecs[1] = {
535 .name = "onyx",
536 .connections = onyx_connections_noheadphones,
537 },
538 },
539 /* PowerMac3,4 */
540 { .device_id = 14,
541 .codecs[0] = {
542 .name = "tas",
543 .connections = tas_connections_noline,
544 },
545 },
546 /* PowerMac3,6 */
547 { .device_id = 22,
548 .codecs[0] = {
549 .name = "tas",
550 .connections = tas_connections_all,
551 },
552 },
553 /* PowerBook5,2 */
554 { .device_id = 35,
555 .codecs[0] = {
556 .name = "tas",
557 .connections = tas_connections_all,
558 },
559 },
560 {}
561 };
562
563 static struct layout *find_layout_by_id(unsigned int id)
564 {
565 struct layout *l;
566
567 l = layouts;
568 while (l->codecs[0].name) {
569 if (l->layout_id == id)
570 return l;
571 l++;
572 }
573 return NULL;
574 }
575
576 static struct layout *find_layout_by_device(unsigned int id)
577 {
578 struct layout *l;
579
580 l = layouts;
581 while (l->codecs[0].name) {
582 if (l->device_id == id)
583 return l;
584 l++;
585 }
586 return NULL;
587 }
588
589 static void use_layout(struct layout *l)
590 {
591 int i;
592
593 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
594 if (l->codecs[i].name) {
595 request_module("snd-aoa-codec-%s", l->codecs[i].name);
596 }
597 }
598 /* now we wait for the codecs to call us back */
599 }
600
601 struct layout_dev;
602
603 struct layout_dev_ptr {
604 struct layout_dev *ptr;
605 };
606
607 struct layout_dev {
608 struct list_head list;
609 struct soundbus_dev *sdev;
610 struct device_node *sound;
611 struct aoa_codec *codecs[MAX_CODECS_PER_BUS];
612 struct layout *layout;
613 struct gpio_runtime gpio;
614
615 /* we need these for headphone/lineout detection */
616 struct snd_kcontrol *headphone_ctrl;
617 struct snd_kcontrol *lineout_ctrl;
618 struct snd_kcontrol *speaker_ctrl;
619 struct snd_kcontrol *master_ctrl;
620 struct snd_kcontrol *headphone_detected_ctrl;
621 struct snd_kcontrol *lineout_detected_ctrl;
622
623 struct layout_dev_ptr selfptr_headphone;
624 struct layout_dev_ptr selfptr_lineout;
625
626 u32 have_lineout_detect:1,
627 have_headphone_detect:1,
628 switch_on_headphone:1,
629 switch_on_lineout:1;
630 };
631
632 static LIST_HEAD(layouts_list);
633 static int layouts_list_items;
634 /* this can go away but only if we allow multiple cards,
635 * make the fabric handle all the card stuff, etc... */
636 static struct layout_dev *layout_device;
637
638 #define control_info snd_ctl_boolean_mono_info
639
640 #define AMP_CONTROL(n, description) \
641 static int n##_control_get(struct snd_kcontrol *kcontrol, \
642 struct snd_ctl_elem_value *ucontrol) \
643 { \
644 struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol); \
645 if (gpio->methods && gpio->methods->get_##n) \
646 ucontrol->value.integer.value[0] = \
647 gpio->methods->get_##n(gpio); \
648 return 0; \
649 } \
650 static int n##_control_put(struct snd_kcontrol *kcontrol, \
651 struct snd_ctl_elem_value *ucontrol) \
652 { \
653 struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol); \
654 if (gpio->methods && gpio->methods->set_##n) \
655 gpio->methods->set_##n(gpio, \
656 !!ucontrol->value.integer.value[0]); \
657 return 1; \
658 } \
659 static const struct snd_kcontrol_new n##_ctl = { \
660 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
661 .name = description, \
662 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
663 .info = control_info, \
664 .get = n##_control_get, \
665 .put = n##_control_put, \
666 }
667
668 AMP_CONTROL(headphone, "Headphone Switch");
669 AMP_CONTROL(speakers, "Speakers Switch");
670 AMP_CONTROL(lineout, "Line-Out Switch");
671 AMP_CONTROL(master, "Master Switch");
672
673 static int detect_choice_get(struct snd_kcontrol *kcontrol,
674 struct snd_ctl_elem_value *ucontrol)
675 {
676 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
677
678 switch (kcontrol->private_value) {
679 case 0:
680 ucontrol->value.integer.value[0] = ldev->switch_on_headphone;
681 break;
682 case 1:
683 ucontrol->value.integer.value[0] = ldev->switch_on_lineout;
684 break;
685 default:
686 return -ENODEV;
687 }
688 return 0;
689 }
690
691 static int detect_choice_put(struct snd_kcontrol *kcontrol,
692 struct snd_ctl_elem_value *ucontrol)
693 {
694 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
695
696 switch (kcontrol->private_value) {
697 case 0:
698 ldev->switch_on_headphone = !!ucontrol->value.integer.value[0];
699 break;
700 case 1:
701 ldev->switch_on_lineout = !!ucontrol->value.integer.value[0];
702 break;
703 default:
704 return -ENODEV;
705 }
706 return 1;
707 }
708
709 static const struct snd_kcontrol_new headphone_detect_choice = {
710 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
711 .name = "Headphone Detect Autoswitch",
712 .info = control_info,
713 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
714 .get = detect_choice_get,
715 .put = detect_choice_put,
716 .private_value = 0,
717 };
718
719 static const struct snd_kcontrol_new lineout_detect_choice = {
720 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
721 .name = "Line-Out Detect Autoswitch",
722 .info = control_info,
723 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
724 .get = detect_choice_get,
725 .put = detect_choice_put,
726 .private_value = 1,
727 };
728
729 static int detected_get(struct snd_kcontrol *kcontrol,
730 struct snd_ctl_elem_value *ucontrol)
731 {
732 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
733 int v;
734
735 switch (kcontrol->private_value) {
736 case 0:
737 v = ldev->gpio.methods->get_detect(&ldev->gpio,
738 AOA_NOTIFY_HEADPHONE);
739 break;
740 case 1:
741 v = ldev->gpio.methods->get_detect(&ldev->gpio,
742 AOA_NOTIFY_LINE_OUT);
743 break;
744 default:
745 return -ENODEV;
746 }
747 ucontrol->value.integer.value[0] = v;
748 return 0;
749 }
750
751 static const struct snd_kcontrol_new headphone_detected = {
752 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
753 .name = "Headphone Detected",
754 .info = control_info,
755 .access = SNDRV_CTL_ELEM_ACCESS_READ,
756 .get = detected_get,
757 .private_value = 0,
758 };
759
760 static const struct snd_kcontrol_new lineout_detected = {
761 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
762 .name = "Line-Out Detected",
763 .info = control_info,
764 .access = SNDRV_CTL_ELEM_ACCESS_READ,
765 .get = detected_get,
766 .private_value = 1,
767 };
768
769 static int check_codec(struct aoa_codec *codec,
770 struct layout_dev *ldev,
771 struct codec_connect_info *cci)
772 {
773 const u32 *ref;
774 char propname[32];
775 struct codec_connection *cc;
776
777 /* if the codec has a 'codec' node, we require a reference */
778 if (of_node_name_eq(codec->node, "codec")) {
779 snprintf(propname, sizeof(propname),
780 "platform-%s-codec-ref", codec->name);
781 ref = of_get_property(ldev->sound, propname, NULL);
782 if (!ref) {
783 printk(KERN_INFO "snd-aoa-fabric-layout: "
784 "required property %s not present\n", propname);
785 return -ENODEV;
786 }
787 if (*ref != codec->node->phandle) {
788 printk(KERN_INFO "snd-aoa-fabric-layout: "
789 "%s doesn't match!\n", propname);
790 return -ENODEV;
791 }
792 } else {
793 if (layouts_list_items != 1) {
794 printk(KERN_INFO "snd-aoa-fabric-layout: "
795 "more than one soundbus, but no references.\n");
796 return -ENODEV;
797 }
798 }
799 codec->soundbus_dev = ldev->sdev;
800 codec->gpio = &ldev->gpio;
801
802 cc = cci->connections;
803 if (!cc)
804 return -EINVAL;
805
806 printk(KERN_INFO "snd-aoa-fabric-layout: can use this codec\n");
807
808 codec->connected = 0;
809 codec->fabric_data = cc;
810
811 while (cc->connected) {
812 codec->connected |= 1<<cc->codec_bit;
813 cc++;
814 }
815
816 return 0;
817 }
818
819 static int layout_found_codec(struct aoa_codec *codec)
820 {
821 struct layout_dev *ldev;
822 int i;
823
824 list_for_each_entry(ldev, &layouts_list, list) {
825 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
826 if (!ldev->layout->codecs[i].name)
827 continue;
828 if (strcmp(ldev->layout->codecs[i].name, codec->name) == 0) {
829 if (check_codec(codec,
830 ldev,
831 &ldev->layout->codecs[i]) == 0)
832 return 0;
833 }
834 }
835 }
836 return -ENODEV;
837 }
838
839 static void layout_remove_codec(struct aoa_codec *codec)
840 {
841 int i;
842 /* here remove the codec from the layout dev's
843 * codec reference */
844
845 codec->soundbus_dev = NULL;
846 codec->gpio = NULL;
847 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
848 }
849 }
850
851 static void layout_notify(void *data)
852 {
853 struct layout_dev_ptr *dptr = data;
854 struct layout_dev *ldev;
855 int v, update;
856 struct snd_kcontrol *detected, *c;
857 struct snd_card *card = aoa_get_card();
858
859 ldev = dptr->ptr;
860 if (data == &ldev->selfptr_headphone) {
861 v = ldev->gpio.methods->get_detect(&ldev->gpio, AOA_NOTIFY_HEADPHONE);
862 detected = ldev->headphone_detected_ctrl;
863 update = ldev->switch_on_headphone;
864 if (update) {
865 ldev->gpio.methods->set_speakers(&ldev->gpio, !v);
866 ldev->gpio.methods->set_headphone(&ldev->gpio, v);
867 ldev->gpio.methods->set_lineout(&ldev->gpio, 0);
868 }
869 } else if (data == &ldev->selfptr_lineout) {
870 v = ldev->gpio.methods->get_detect(&ldev->gpio, AOA_NOTIFY_LINE_OUT);
871 detected = ldev->lineout_detected_ctrl;
872 update = ldev->switch_on_lineout;
873 if (update) {
874 ldev->gpio.methods->set_speakers(&ldev->gpio, !v);
875 ldev->gpio.methods->set_headphone(&ldev->gpio, 0);
876 ldev->gpio.methods->set_lineout(&ldev->gpio, v);
877 }
878 } else
879 return;
880
881 if (detected)
882 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &detected->id);
883 if (update) {
884 c = ldev->headphone_ctrl;
885 if (c)
886 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
887 c = ldev->speaker_ctrl;
888 if (c)
889 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
890 c = ldev->lineout_ctrl;
891 if (c)
892 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
893 }
894 }
895
896 static void layout_attached_codec(struct aoa_codec *codec)
897 {
898 struct codec_connection *cc;
899 struct snd_kcontrol *ctl;
900 int headphones, lineout;
901 struct layout_dev *ldev = layout_device;
902
903 /* need to add this codec to our codec array! */
904
905 cc = codec->fabric_data;
906
907 headphones = codec->gpio->methods->get_detect(codec->gpio,
908 AOA_NOTIFY_HEADPHONE);
909 lineout = codec->gpio->methods->get_detect(codec->gpio,
910 AOA_NOTIFY_LINE_OUT);
911
912 if (codec->gpio->methods->set_master) {
913 ctl = snd_ctl_new1(&master_ctl, codec->gpio);
914 ldev->master_ctrl = ctl;
915 aoa_snd_ctl_add(ctl);
916 }
917 while (cc->connected) {
918 if (cc->connected & CC_SPEAKERS) {
919 if (headphones <= 0 && lineout <= 0)
920 ldev->gpio.methods->set_speakers(codec->gpio, 1);
921 ctl = snd_ctl_new1(&speakers_ctl, codec->gpio);
922 ldev->speaker_ctrl = ctl;
923 aoa_snd_ctl_add(ctl);
924 }
925 if (cc->connected & CC_HEADPHONE) {
926 if (headphones == 1)
927 ldev->gpio.methods->set_headphone(codec->gpio, 1);
928 ctl = snd_ctl_new1(&headphone_ctl, codec->gpio);
929 ldev->headphone_ctrl = ctl;
930 aoa_snd_ctl_add(ctl);
931 ldev->have_headphone_detect =
932 !ldev->gpio.methods
933 ->set_notify(&ldev->gpio,
934 AOA_NOTIFY_HEADPHONE,
935 layout_notify,
936 &ldev->selfptr_headphone);
937 if (ldev->have_headphone_detect) {
938 ctl = snd_ctl_new1(&headphone_detect_choice,
939 ldev);
940 aoa_snd_ctl_add(ctl);
941 ctl = snd_ctl_new1(&headphone_detected,
942 ldev);
943 ldev->headphone_detected_ctrl = ctl;
944 aoa_snd_ctl_add(ctl);
945 }
946 }
947 if (cc->connected & CC_LINEOUT) {
948 if (lineout == 1)
949 ldev->gpio.methods->set_lineout(codec->gpio, 1);
950 ctl = snd_ctl_new1(&lineout_ctl, codec->gpio);
951 if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE)
952 strscpy(ctl->id.name,
953 "Headphone Switch", sizeof(ctl->id.name));
954 ldev->lineout_ctrl = ctl;
955 aoa_snd_ctl_add(ctl);
956 ldev->have_lineout_detect =
957 !ldev->gpio.methods
958 ->set_notify(&ldev->gpio,
959 AOA_NOTIFY_LINE_OUT,
960 layout_notify,
961 &ldev->selfptr_lineout);
962 if (ldev->have_lineout_detect) {
963 ctl = snd_ctl_new1(&lineout_detect_choice,
964 ldev);
965 if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE)
966 strscpy(ctl->id.name,
967 "Headphone Detect Autoswitch",
968 sizeof(ctl->id.name));
969 aoa_snd_ctl_add(ctl);
970 ctl = snd_ctl_new1(&lineout_detected,
971 ldev);
972 if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE)
973 strscpy(ctl->id.name,
974 "Headphone Detected",
975 sizeof(ctl->id.name));
976 ldev->lineout_detected_ctrl = ctl;
977 aoa_snd_ctl_add(ctl);
978 }
979 }
980 cc++;
981 }
982 /* now update initial state */
983 if (ldev->have_headphone_detect)
984 layout_notify(&ldev->selfptr_headphone);
985 if (ldev->have_lineout_detect)
986 layout_notify(&ldev->selfptr_lineout);
987 }
988
989 static struct aoa_fabric layout_fabric = {
990 .name = "SoundByLayout",
991 .owner = THIS_MODULE,
992 .found_codec = layout_found_codec,
993 .remove_codec = layout_remove_codec,
994 .attached_codec = layout_attached_codec,
995 };
996
997 static int aoa_fabric_layout_probe(struct soundbus_dev *sdev)
998 {
999 struct device_node *sound = NULL;
1000 const unsigned int *id;
1001 struct layout *layout = NULL;
1002 struct layout_dev *ldev = NULL;
1003 int err;
1004
1005 /* hm, currently we can only have one ... */
1006 if (layout_device)
1007 return -ENODEV;
1008
1009 /* by breaking out we keep a reference */
1010 for_each_child_of_node(sdev->ofdev.dev.of_node, sound) {
1011 if (of_node_is_type(sound, "soundchip"))
1012 break;
1013 }
1014 if (!sound)
1015 return -ENODEV;
1016
1017 id = of_get_property(sound, "layout-id", NULL);
1018 if (id) {
1019 layout = find_layout_by_id(*id);
1020 } else {
1021 id = of_get_property(sound, "device-id", NULL);
1022 if (id)
1023 layout = find_layout_by_device(*id);
1024 }
1025
1026 if (!layout) {
1027 printk(KERN_ERR "snd-aoa-fabric-layout: unknown layout\n");
1028 goto outnodev;
1029 }
1030
1031 ldev = kzalloc(sizeof(struct layout_dev), GFP_KERNEL);
1032 if (!ldev)
1033 goto outnodev;
1034
1035 layout_device = ldev;
1036 ldev->sdev = sdev;
1037 ldev->sound = sound;
1038 ldev->layout = layout;
1039 ldev->gpio.node = sound->parent;
1040 switch (layout->layout_id) {
1041 case 0: /* anything with device_id, not layout_id */
1042 case 41: /* that unknown machine no one seems to have */
1043 case 51: /* PowerBook5,4 */
1044 case 58: /* Mac Mini */
1045 ldev->gpio.methods = ftr_gpio_methods;
1046 printk(KERN_DEBUG
1047 "snd-aoa-fabric-layout: Using direct GPIOs\n");
1048 break;
1049 default:
1050 ldev->gpio.methods = pmf_gpio_methods;
1051 printk(KERN_DEBUG
1052 "snd-aoa-fabric-layout: Using PMF GPIOs\n");
1053 }
1054 ldev->selfptr_headphone.ptr = ldev;
1055 ldev->selfptr_lineout.ptr = ldev;
1056 dev_set_drvdata(&sdev->ofdev.dev, ldev);
1057 list_add(&ldev->list, &layouts_list);
1058 layouts_list_items++;
1059
1060 /* assign these before registering ourselves, so
1061 * callbacks that are done during registration
1062 * already have the values */
1063 sdev->pcmid = ldev->layout->pcmid;
1064 if (ldev->layout->busname) {
1065 sdev->pcmname = ldev->layout->busname;
1066 } else {
1067 sdev->pcmname = "Master";
1068 }
1069
1070 ldev->gpio.methods->init(&ldev->gpio);
1071
1072 err = aoa_fabric_register(&layout_fabric, &sdev->ofdev.dev);
1073 if (err && err != -EALREADY) {
1074 printk(KERN_INFO "snd-aoa-fabric-layout: can't use,"
1075 " another fabric is active!\n");
1076 goto outlistdel;
1077 }
1078
1079 use_layout(layout);
1080 ldev->switch_on_headphone = 1;
1081 ldev->switch_on_lineout = 1;
1082 return 0;
1083 outlistdel:
1084 /* we won't be using these then... */
1085 ldev->gpio.methods->exit(&ldev->gpio);
1086 /* reset if we didn't use it */
1087 sdev->pcmname = NULL;
1088 sdev->pcmid = -1;
1089 list_del(&ldev->list);
1090 layouts_list_items--;
1091 kfree(ldev);
1092 outnodev:
1093 of_node_put(sound);
1094 layout_device = NULL;
1095 return -ENODEV;
1096 }
1097
1098 static void aoa_fabric_layout_remove(struct soundbus_dev *sdev)
1099 {
1100 struct layout_dev *ldev = dev_get_drvdata(&sdev->ofdev.dev);
1101 int i;
1102
1103 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
1104 if (ldev->codecs[i]) {
1105 aoa_fabric_unlink_codec(ldev->codecs[i]);
1106 }
1107 ldev->codecs[i] = NULL;
1108 }
1109 list_del(&ldev->list);
1110 layouts_list_items--;
1111 of_node_put(ldev->sound);
1112
1113 ldev->gpio.methods->set_notify(&ldev->gpio,
1114 AOA_NOTIFY_HEADPHONE,
1115 NULL,
1116 NULL);
1117 ldev->gpio.methods->set_notify(&ldev->gpio,
1118 AOA_NOTIFY_LINE_OUT,
1119 NULL,
1120 NULL);
1121
1122 ldev->gpio.methods->exit(&ldev->gpio);
1123 layout_device = NULL;
1124 kfree(ldev);
1125 sdev->pcmid = -1;
1126 sdev->pcmname = NULL;
1127 }
1128
1129 static int aoa_fabric_layout_suspend(struct device *dev)
1130 {
1131 struct layout_dev *ldev = dev_get_drvdata(dev);
1132
1133 if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off)
1134 ldev->gpio.methods->all_amps_off(&ldev->gpio);
1135
1136 return 0;
1137 }
1138
1139 static int aoa_fabric_layout_resume(struct device *dev)
1140 {
1141 struct layout_dev *ldev = dev_get_drvdata(dev);
1142
1143 if (ldev->gpio.methods && ldev->gpio.methods->all_amps_restore)
1144 ldev->gpio.methods->all_amps_restore(&ldev->gpio);
1145
1146 return 0;
1147 }
1148
1149 static DEFINE_SIMPLE_DEV_PM_OPS(aoa_fabric_layout_pm_ops,
1150 aoa_fabric_layout_suspend, aoa_fabric_layout_resume);
1151
1152 static struct soundbus_driver aoa_soundbus_driver = {
1153 .name = "snd_aoa_soundbus_drv",
1154 .owner = THIS_MODULE,
1155 .probe = aoa_fabric_layout_probe,
1156 .remove = aoa_fabric_layout_remove,
1157 .driver = {
1158 .owner = THIS_MODULE,
1159 .pm = &aoa_fabric_layout_pm_ops,
1160 }
1161 };
1162
1163 static int __init aoa_fabric_layout_init(void)
1164 {
1165 return soundbus_register_driver(&aoa_soundbus_driver);
1166 }
1167
1168 static void __exit aoa_fabric_layout_exit(void)
1169 {
1170 soundbus_unregister_driver(&aoa_soundbus_driver);
1171 aoa_fabric_unregister(&layout_fabric);
1172 }
1173
1174 module_init(aoa_fabric_layout_init);
1175 module_exit(aoa_fabric_layout_exit);
1176
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