aboutsummaryrefslogtreecommitdiffstats
path: root/sound/aoa/fabrics/snd-aoa-fabric-layout.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/aoa/fabrics/snd-aoa-fabric-layout.c')
-rw-r--r--sound/aoa/fabrics/snd-aoa-fabric-layout.c1109
1 files changed, 1109 insertions, 0 deletions
diff --git a/sound/aoa/fabrics/snd-aoa-fabric-layout.c b/sound/aoa/fabrics/snd-aoa-fabric-layout.c
new file mode 100644
index 000000000000..04a7238e9494
--- /dev/null
+++ b/sound/aoa/fabrics/snd-aoa-fabric-layout.c
@@ -0,0 +1,1109 @@
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
20MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>");
21MODULE_LICENSE("GPL");
22MODULE_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
48struct 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
58struct codec_connect_info {
59 char *name;
60 struct codec_connection *connections;
61};
62
63#define LAYOUT_FLAG_COMBO_LINEOUT_SPDIF (1<<0)
64
65struct 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
80MODULE_ALIAS("sound-layout-41");
81MODULE_ALIAS("sound-layout-45");
82MODULE_ALIAS("sound-layout-51");
83MODULE_ALIAS("sound-layout-58");
84MODULE_ALIAS("sound-layout-60");
85MODULE_ALIAS("sound-layout-61");
86MODULE_ALIAS("sound-layout-64");
87MODULE_ALIAS("sound-layout-65");
88MODULE_ALIAS("sound-layout-68");
89MODULE_ALIAS("sound-layout-69");
90MODULE_ALIAS("sound-layout-70");
91MODULE_ALIAS("sound-layout-72");
92MODULE_ALIAS("sound-layout-80");
93MODULE_ALIAS("sound-layout-82");
94MODULE_ALIAS("sound-layout-84");
95MODULE_ALIAS("sound-layout-86");
96MODULE_ALIAS("sound-layout-92");
97
98/* onyx with all but microphone connected */
99static struct codec_connection onyx_connections_nomic[] = {
100 {
101 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
102 .codec_bit = 0,
103 },
104 {
105 .connected = CC_DIGITALOUT,
106 .codec_bit = 1,
107 },
108 {
109 .connected = CC_LINEIN,
110 .codec_bit = 2,
111 },
112 {} /* terminate array by .connected == 0 */
113};
114
115/* onyx on machines without headphone */
116static struct codec_connection onyx_connections_noheadphones[] = {
117 {
118 .connected = CC_SPEAKERS | CC_LINEOUT |
119 CC_LINEOUT_LABELLED_HEADPHONE,
120 .codec_bit = 0,
121 },
122 {
123 .connected = CC_DIGITALOUT,
124 .codec_bit = 1,
125 },
126 /* FIXME: are these correct? probably not for all the machines
127 * below ... If not this will need separating. */
128 {
129 .connected = CC_LINEIN,
130 .codec_bit = 2,
131 },
132 {
133 .connected = CC_MICROPHONE,
134 .codec_bit = 3,
135 },
136 {} /* terminate array by .connected == 0 */
137};
138
139/* onyx on machines with real line-out */
140static struct codec_connection onyx_connections_reallineout[] = {
141 {
142 .connected = CC_SPEAKERS | CC_LINEOUT | CC_HEADPHONE,
143 .codec_bit = 0,
144 },
145 {
146 .connected = CC_DIGITALOUT,
147 .codec_bit = 1,
148 },
149 {
150 .connected = CC_LINEIN,
151 .codec_bit = 2,
152 },
153 {} /* terminate array by .connected == 0 */
154};
155
156/* tas on machines without line out */
157static struct codec_connection tas_connections_nolineout[] = {
158 {
159 .connected = CC_SPEAKERS | CC_HEADPHONE,
160 .codec_bit = 0,
161 },
162 {
163 .connected = CC_LINEIN,
164 .codec_bit = 2,
165 },
166 {
167 .connected = CC_MICROPHONE,
168 .codec_bit = 3,
169 },
170 {} /* terminate array by .connected == 0 */
171};
172
173/* tas on machines with neither line out nor line in */
174static struct codec_connection tas_connections_noline[] = {
175 {
176 .connected = CC_SPEAKERS | CC_HEADPHONE,
177 .codec_bit = 0,
178 },
179 {
180 .connected = CC_MICROPHONE,
181 .codec_bit = 3,
182 },
183 {} /* terminate array by .connected == 0 */
184};
185
186/* tas on machines without microphone */
187static struct codec_connection tas_connections_nomic[] = {
188 {
189 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
190 .codec_bit = 0,
191 },
192 {
193 .connected = CC_LINEIN,
194 .codec_bit = 2,
195 },
196 {} /* terminate array by .connected == 0 */
197};
198
199/* tas on machines with everything connected */
200static struct codec_connection tas_connections_all[] = {
201 {
202 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
203 .codec_bit = 0,
204 },
205 {
206 .connected = CC_LINEIN,
207 .codec_bit = 2,
208 },
209 {
210 .connected = CC_MICROPHONE,
211 .codec_bit = 3,
212 },
213 {} /* terminate array by .connected == 0 */
214};
215
216static struct codec_connection toonie_connections[] = {
217 {
218 .connected = CC_SPEAKERS | CC_HEADPHONE,
219 .codec_bit = 0,
220 },
221 {} /* terminate array by .connected == 0 */
222};
223
224static struct codec_connection topaz_input[] = {
225 {
226 .connected = CC_DIGITALIN,
227 .codec_bit = 0,
228 },
229 {} /* terminate array by .connected == 0 */
230};
231
232static struct codec_connection topaz_output[] = {
233 {
234 .connected = CC_DIGITALOUT,
235 .codec_bit = 1,
236 },
237 {} /* terminate array by .connected == 0 */
238};
239
240static struct codec_connection topaz_inout[] = {
241 {
242 .connected = CC_DIGITALIN,
243 .codec_bit = 0,
244 },
245 {
246 .connected = CC_DIGITALOUT,
247 .codec_bit = 1,
248 },
249 {} /* terminate array by .connected == 0 */
250};
251
252static struct layout layouts[] = {
253 /* last PowerBooks (15" Oct 2005) */
254 { .layout_id = 82,
255 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
256 .codecs[0] = {
257 .name = "onyx",
258 .connections = onyx_connections_noheadphones,
259 },
260 .codecs[1] = {
261 .name = "topaz",
262 .connections = topaz_input,
263 },
264 },
265 /* PowerMac9,1 */
266 { .layout_id = 60,
267 .codecs[0] = {
268 .name = "onyx",
269 .connections = onyx_connections_reallineout,
270 },
271 },
272 /* PowerMac9,1 */
273 { .layout_id = 61,
274 .codecs[0] = {
275 .name = "topaz",
276 .connections = topaz_input,
277 },
278 },
279 /* PowerBook5,7 */
280 { .layout_id = 64,
281 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
282 .codecs[0] = {
283 .name = "onyx",
284 .connections = onyx_connections_noheadphones,
285 },
286 },
287 /* PowerBook5,7 */
288 { .layout_id = 65,
289 .codecs[0] = {
290 .name = "topaz",
291 .connections = topaz_input,
292 },
293 },
294 /* PowerBook5,9 [17" Oct 2005] */
295 { .layout_id = 84,
296 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
297 .codecs[0] = {
298 .name = "onyx",
299 .connections = onyx_connections_noheadphones,
300 },
301 .codecs[1] = {
302 .name = "topaz",
303 .connections = topaz_input,
304 },
305 },
306 /* PowerMac8,1 */
307 { .layout_id = 45,
308 .codecs[0] = {
309 .name = "onyx",
310 .connections = onyx_connections_noheadphones,
311 },
312 .codecs[1] = {
313 .name = "topaz",
314 .connections = topaz_input,
315 },
316 },
317 /* Quad PowerMac (analog in, analog/digital out) */
318 { .layout_id = 68,
319 .codecs[0] = {
320 .name = "onyx",
321 .connections = onyx_connections_nomic,
322 },
323 },
324 /* Quad PowerMac (digital in) */
325 { .layout_id = 69,
326 .codecs[0] = {
327 .name = "topaz",
328 .connections = topaz_input,
329 },
330 .busname = "digital in", .pcmid = 1 },
331 /* Early 2005 PowerBook (PowerBook 5,6) */
332 { .layout_id = 70,
333 .codecs[0] = {
334 .name = "tas",
335 .connections = tas_connections_nolineout,
336 },
337 },
338 /* PowerBook 5,4 */
339 { .layout_id = 51,
340 .codecs[0] = {
341 .name = "tas",
342 .connections = tas_connections_nolineout,
343 },
344 },
345 /* PowerBook6,7 */
346 { .layout_id = 80,
347 .codecs[0] = {
348 .name = "tas",
349 .connections = tas_connections_noline,
350 },
351 },
352 /* PowerBook6,8 */
353 { .layout_id = 72,
354 .codecs[0] = {
355 .name = "tas",
356 .connections = tas_connections_nolineout,
357 },
358 },
359 /* PowerMac8,2 */
360 { .layout_id = 86,
361 .codecs[0] = {
362 .name = "onyx",
363 .connections = onyx_connections_nomic,
364 },
365 .codecs[1] = {
366 .name = "topaz",
367 .connections = topaz_input,
368 },
369 },
370 /* PowerBook6,7 */
371 { .layout_id = 92,
372 .codecs[0] = {
373 .name = "tas",
374 .connections = tas_connections_nolineout,
375 },
376 },
377 /* PowerMac10,1 (Mac Mini) */
378 { .layout_id = 58,
379 .codecs[0] = {
380 .name = "toonie",
381 .connections = toonie_connections,
382 },
383 },
384 /* unknown, untested, but this comes from Apple */
385 { .layout_id = 41,
386 .codecs[0] = {
387 .name = "tas",
388 .connections = tas_connections_all,
389 },
390 },
391 { .layout_id = 36,
392 .codecs[0] = {
393 .name = "tas",
394 .connections = tas_connections_nomic,
395 },
396 .codecs[1] = {
397 .name = "topaz",
398 .connections = topaz_inout,
399 },
400 },
401 { .layout_id = 47,
402 .codecs[0] = {
403 .name = "onyx",
404 .connections = onyx_connections_noheadphones,
405 },
406 },
407 { .layout_id = 48,
408 .codecs[0] = {
409 .name = "topaz",
410 .connections = topaz_input,
411 },
412 },
413 { .layout_id = 49,
414 .codecs[0] = {
415 .name = "onyx",
416 .connections = onyx_connections_nomic,
417 },
418 },
419 { .layout_id = 50,
420 .codecs[0] = {
421 .name = "topaz",
422 .connections = topaz_input,
423 },
424 },
425 { .layout_id = 56,
426 .codecs[0] = {
427 .name = "onyx",
428 .connections = onyx_connections_noheadphones,
429 },
430 },
431 { .layout_id = 57,
432 .codecs[0] = {
433 .name = "topaz",
434 .connections = topaz_input,
435 },
436 },
437 { .layout_id = 62,
438 .codecs[0] = {
439 .name = "onyx",
440 .connections = onyx_connections_noheadphones,
441 },
442 .codecs[1] = {
443 .name = "topaz",
444 .connections = topaz_output,
445 },
446 },
447 { .layout_id = 66,
448 .codecs[0] = {
449 .name = "onyx",
450 .connections = onyx_connections_noheadphones,
451 },
452 },
453 { .layout_id = 67,
454 .codecs[0] = {
455 .name = "topaz",
456 .connections = topaz_input,
457 },
458 },
459 { .layout_id = 76,
460 .codecs[0] = {
461 .name = "tas",
462 .connections = tas_connections_nomic,
463 },
464 .codecs[1] = {
465 .name = "topaz",
466 .connections = topaz_inout,
467 },
468 },
469 { .layout_id = 90,
470 .codecs[0] = {
471 .name = "tas",
472 .connections = tas_connections_noline,
473 },
474 },
475 { .layout_id = 94,
476 .codecs[0] = {
477 .name = "onyx",
478 /* but it has an external mic?? how to select? */
479 .connections = onyx_connections_noheadphones,
480 },
481 },
482 { .layout_id = 96,
483 .codecs[0] = {
484 .name = "onyx",
485 .connections = onyx_connections_noheadphones,
486 },
487 },
488 { .layout_id = 98,
489 .codecs[0] = {
490 .name = "toonie",
491 .connections = toonie_connections,
492 },
493 },
494 { .layout_id = 100,
495 .codecs[0] = {
496 .name = "topaz",
497 .connections = topaz_input,
498 },
499 .codecs[1] = {
500 .name = "onyx",
501 .connections = onyx_connections_noheadphones,
502 },
503 },
504 {}
505};
506
507static struct layout *find_layout_by_id(unsigned int id)
508{
509 struct layout *l;
510
511 l = layouts;
512 while (l->layout_id) {
513 if (l->layout_id == id)
514 return l;
515 l++;
516 }
517 return NULL;
518}
519
520static void use_layout(struct layout *l)
521{
522 int i;
523
524 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
525 if (l->codecs[i].name) {
526 request_module("snd-aoa-codec-%s", l->codecs[i].name);
527 }
528 }
529 /* now we wait for the codecs to call us back */
530}
531
532struct layout_dev;
533
534struct layout_dev_ptr {
535 struct layout_dev *ptr;
536};
537
538struct layout_dev {
539 struct list_head list;
540 struct soundbus_dev *sdev;
541 struct device_node *sound;
542 struct aoa_codec *codecs[MAX_CODECS_PER_BUS];
543 struct layout *layout;
544 struct gpio_runtime gpio;
545
546 /* we need these for headphone/lineout detection */
547 struct snd_kcontrol *headphone_ctrl;
548 struct snd_kcontrol *lineout_ctrl;
549 struct snd_kcontrol *speaker_ctrl;
550 struct snd_kcontrol *headphone_detected_ctrl;
551 struct snd_kcontrol *lineout_detected_ctrl;
552
553 struct layout_dev_ptr selfptr_headphone;
554 struct layout_dev_ptr selfptr_lineout;
555
556 u32 have_lineout_detect:1,
557 have_headphone_detect:1,
558 switch_on_headphone:1,
559 switch_on_lineout:1;
560};
561
562static LIST_HEAD(layouts_list);
563static int layouts_list_items;
564/* this can go away but only if we allow multiple cards,
565 * make the fabric handle all the card stuff, etc... */
566static struct layout_dev *layout_device;
567
568static int control_info(struct snd_kcontrol *kcontrol,
569 struct snd_ctl_elem_info *uinfo)
570{
571 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
572 uinfo->count = 1;
573 uinfo->value.integer.min = 0;
574 uinfo->value.integer.max = 1;
575 return 0;
576}
577
578#define AMP_CONTROL(n, description) \
579static int n##_control_get(struct snd_kcontrol *kcontrol, \
580 struct snd_ctl_elem_value *ucontrol) \
581{ \
582 struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol); \
583 if (gpio->methods && gpio->methods->get_##n) \
584 ucontrol->value.integer.value[0] = \
585 gpio->methods->get_##n(gpio); \
586 return 0; \
587} \
588static int n##_control_put(struct snd_kcontrol *kcontrol, \
589 struct snd_ctl_elem_value *ucontrol) \
590{ \
591 struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol); \
592 if (gpio->methods && gpio->methods->get_##n) \
593 gpio->methods->set_##n(gpio, \
594 ucontrol->value.integer.value[0]); \
595 return 1; \
596} \
597static struct snd_kcontrol_new n##_ctl = { \
598 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
599 .name = description, \
600 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
601 .info = control_info, \
602 .get = n##_control_get, \
603 .put = n##_control_put, \
604}
605
606AMP_CONTROL(headphone, "Headphone Switch");
607AMP_CONTROL(speakers, "Speakers Switch");
608AMP_CONTROL(lineout, "Line-Out Switch");
609
610static int detect_choice_get(struct snd_kcontrol *kcontrol,
611 struct snd_ctl_elem_value *ucontrol)
612{
613 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
614
615 switch (kcontrol->private_value) {
616 case 0:
617 ucontrol->value.integer.value[0] = ldev->switch_on_headphone;
618 break;
619 case 1:
620 ucontrol->value.integer.value[0] = ldev->switch_on_lineout;
621 break;
622 default:
623 return -ENODEV;
624 }
625 return 0;
626}
627
628static int detect_choice_put(struct snd_kcontrol *kcontrol,
629 struct snd_ctl_elem_value *ucontrol)
630{
631 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
632
633 switch (kcontrol->private_value) {
634 case 0:
635 ldev->switch_on_headphone = !!ucontrol->value.integer.value[0];
636 break;
637 case 1:
638 ldev->switch_on_lineout = !!ucontrol->value.integer.value[0];
639 break;
640 default:
641 return -ENODEV;
642 }
643 return 1;
644}
645
646static struct snd_kcontrol_new headphone_detect_choice = {
647 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
648 .name = "Headphone Detect Autoswitch",
649 .info = control_info,
650 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
651 .get = detect_choice_get,
652 .put = detect_choice_put,
653 .private_value = 0,
654};
655
656static struct snd_kcontrol_new lineout_detect_choice = {
657 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
658 .name = "Line-Out Detect Autoswitch",
659 .info = control_info,
660 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
661 .get = detect_choice_get,
662 .put = detect_choice_put,
663 .private_value = 1,
664};
665
666static int detected_get(struct snd_kcontrol *kcontrol,
667 struct snd_ctl_elem_value *ucontrol)
668{
669 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
670 int v;
671
672 switch (kcontrol->private_value) {
673 case 0:
674 v = ldev->gpio.methods->get_detect(&ldev->gpio,
675 AOA_NOTIFY_HEADPHONE);
676 break;
677 case 1:
678 v = ldev->gpio.methods->get_detect(&ldev->gpio,
679 AOA_NOTIFY_LINE_OUT);
680 break;
681 default:
682 return -ENODEV;
683 }
684 ucontrol->value.integer.value[0] = v;
685 return 0;
686}
687
688static struct snd_kcontrol_new headphone_detected = {
689 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
690 .name = "Headphone Detected",
691 .info = control_info,
692 .access = SNDRV_CTL_ELEM_ACCESS_READ,
693 .get = detected_get,
694 .private_value = 0,
695};
696
697static struct snd_kcontrol_new lineout_detected = {
698 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
699 .name = "Line-Out Detected",
700 .info = control_info,
701 .access = SNDRV_CTL_ELEM_ACCESS_READ,
702 .get = detected_get,
703 .private_value = 1,
704};
705
706static int check_codec(struct aoa_codec *codec,
707 struct layout_dev *ldev,
708 struct codec_connect_info *cci)
709{
710 u32 *ref;
711 char propname[32];
712 struct codec_connection *cc;
713
714 /* if the codec has a 'codec' node, we require a reference */
715 if (codec->node && (strcmp(codec->node->name, "codec") == 0)) {
716 snprintf(propname, sizeof(propname),
717 "platform-%s-codec-ref", codec->name);
718 ref = (u32*)get_property(ldev->sound, propname, NULL);
719 if (!ref) {
720 printk(KERN_INFO "snd-aoa-fabric-layout: "
721 "required property %s not present\n", propname);
722 return -ENODEV;
723 }
724 if (*ref != codec->node->linux_phandle) {
725 printk(KERN_INFO "snd-aoa-fabric-layout: "
726 "%s doesn't match!\n", propname);
727 return -ENODEV;
728 }
729 } else {
730 if (layouts_list_items != 1) {
731 printk(KERN_INFO "snd-aoa-fabric-layout: "
732 "more than one soundbus, but no references.\n");
733 return -ENODEV;
734 }
735 }
736 codec->soundbus_dev = ldev->sdev;
737 codec->gpio = &ldev->gpio;
738
739 cc = cci->connections;
740 if (!cc)
741 return -EINVAL;
742
743 printk(KERN_INFO "snd-aoa-fabric-layout: can use this codec\n");
744
745 codec->connected = 0;
746 codec->fabric_data = cc;
747
748 while (cc->connected) {
749 codec->connected |= 1<<cc->codec_bit;
750 cc++;
751 }
752
753 return 0;
754}
755
756static int layout_found_codec(struct aoa_codec *codec)
757{
758 struct layout_dev *ldev;
759 int i;
760
761 list_for_each_entry(ldev, &layouts_list, list) {
762 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
763 if (!ldev->layout->codecs[i].name)
764 continue;
765 if (strcmp(ldev->layout->codecs[i].name, codec->name) == 0) {
766 if (check_codec(codec,
767 ldev,
768 &ldev->layout->codecs[i]) == 0)
769 return 0;
770 }
771 }
772 }
773 return -ENODEV;
774}
775
776static void layout_remove_codec(struct aoa_codec *codec)
777{
778 int i;
779 /* here remove the codec from the layout dev's
780 * codec reference */
781
782 codec->soundbus_dev = NULL;
783 codec->gpio = NULL;
784 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
785 }
786}
787
788static void layout_notify(void *data)
789{
790 struct layout_dev_ptr *dptr = data;
791 struct layout_dev *ldev;
792 int v, update;
793 struct snd_kcontrol *detected, *c;
794 struct snd_card *card = aoa_get_card();
795
796 ldev = dptr->ptr;
797 if (data == &ldev->selfptr_headphone) {
798 v = ldev->gpio.methods->get_detect(&ldev->gpio, AOA_NOTIFY_HEADPHONE);
799 detected = ldev->headphone_detected_ctrl;
800 update = ldev->switch_on_headphone;
801 if (update) {
802 ldev->gpio.methods->set_speakers(&ldev->gpio, !v);
803 ldev->gpio.methods->set_headphone(&ldev->gpio, v);
804 ldev->gpio.methods->set_lineout(&ldev->gpio, 0);
805 }
806 } else if (data == &ldev->selfptr_lineout) {
807 v = ldev->gpio.methods->get_detect(&ldev->gpio, AOA_NOTIFY_LINE_OUT);
808 detected = ldev->lineout_detected_ctrl;
809 update = ldev->switch_on_lineout;
810 if (update) {
811 ldev->gpio.methods->set_speakers(&ldev->gpio, !v);
812 ldev->gpio.methods->set_headphone(&ldev->gpio, 0);
813 ldev->gpio.methods->set_lineout(&ldev->gpio, v);
814 }
815 } else
816 return;
817
818 if (detected)
819 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &detected->id);
820 if (update) {
821 c = ldev->headphone_ctrl;
822 if (c)
823 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
824 c = ldev->speaker_ctrl;
825 if (c)
826 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
827 c = ldev->lineout_ctrl;
828 if (c)
829 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
830 }
831}
832
833static void layout_attached_codec(struct aoa_codec *codec)
834{
835 struct codec_connection *cc;
836 struct snd_kcontrol *ctl;
837 int headphones, lineout;
838 struct layout_dev *ldev = layout_device;
839
840 /* need to add this codec to our codec array! */
841
842 cc = codec->fabric_data;
843
844 headphones = codec->gpio->methods->get_detect(codec->gpio,
845 AOA_NOTIFY_HEADPHONE);
846 lineout = codec->gpio->methods->get_detect(codec->gpio,
847 AOA_NOTIFY_LINE_OUT);
848
849 while (cc->connected) {
850 if (cc->connected & CC_SPEAKERS) {
851 if (headphones <= 0 && lineout <= 0)
852 ldev->gpio.methods->set_speakers(codec->gpio, 1);
853 ctl = snd_ctl_new1(&speakers_ctl, codec->gpio);
854 ldev->speaker_ctrl = ctl;
855 aoa_snd_ctl_add(ctl);
856 }
857 if (cc->connected & CC_HEADPHONE) {
858 if (headphones == 1)
859 ldev->gpio.methods->set_headphone(codec->gpio, 1);
860 ctl = snd_ctl_new1(&headphone_ctl, codec->gpio);
861 ldev->headphone_ctrl = ctl;
862 aoa_snd_ctl_add(ctl);
863 ldev->have_headphone_detect =
864 !ldev->gpio.methods
865 ->set_notify(&ldev->gpio,
866 AOA_NOTIFY_HEADPHONE,
867 layout_notify,
868 &ldev->selfptr_headphone);
869 if (ldev->have_headphone_detect) {
870 ctl = snd_ctl_new1(&headphone_detect_choice,
871 ldev);
872 aoa_snd_ctl_add(ctl);
873 ctl = snd_ctl_new1(&headphone_detected,
874 ldev);
875 ldev->headphone_detected_ctrl = ctl;
876 aoa_snd_ctl_add(ctl);
877 }
878 }
879 if (cc->connected & CC_LINEOUT) {
880 if (lineout == 1)
881 ldev->gpio.methods->set_lineout(codec->gpio, 1);
882 ctl = snd_ctl_new1(&lineout_ctl, codec->gpio);
883 if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE)
884 strlcpy(ctl->id.name,
885 "Headphone Switch", sizeof(ctl->id.name));
886 ldev->lineout_ctrl = ctl;
887 aoa_snd_ctl_add(ctl);
888 ldev->have_lineout_detect =
889 !ldev->gpio.methods
890 ->set_notify(&ldev->gpio,
891 AOA_NOTIFY_LINE_OUT,
892 layout_notify,
893 &ldev->selfptr_lineout);
894 if (ldev->have_lineout_detect) {
895 ctl = snd_ctl_new1(&lineout_detect_choice,
896 ldev);
897 if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE)
898 strlcpy(ctl->id.name,
899 "Headphone Detect Autoswitch",
900 sizeof(ctl->id.name));
901 aoa_snd_ctl_add(ctl);
902 ctl = snd_ctl_new1(&lineout_detected,
903 ldev);
904 if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE)
905 strlcpy(ctl->id.name,
906 "Headphone Detected",
907 sizeof(ctl->id.name));
908 ldev->lineout_detected_ctrl = ctl;
909 aoa_snd_ctl_add(ctl);
910 }
911 }
912 cc++;
913 }
914 /* now update initial state */
915 if (ldev->have_headphone_detect)
916 layout_notify(&ldev->selfptr_headphone);
917 if (ldev->have_lineout_detect)
918 layout_notify(&ldev->selfptr_lineout);
919}
920
921static struct aoa_fabric layout_fabric = {
922 .name = "SoundByLayout",
923 .owner = THIS_MODULE,
924 .found_codec = layout_found_codec,
925 .remove_codec = layout_remove_codec,
926 .attached_codec = layout_attached_codec,
927};
928
929static int aoa_fabric_layout_probe(struct soundbus_dev *sdev)
930{
931 struct device_node *sound = NULL;
932 unsigned int *layout_id;
933 struct layout *layout;
934 struct layout_dev *ldev = NULL;
935 int err;
936
937 /* hm, currently we can only have one ... */
938 if (layout_device)
939 return -ENODEV;
940
941 /* by breaking out we keep a reference */
942 while ((sound = of_get_next_child(sdev->ofdev.node, sound))) {
943 if (sound->type && strcasecmp(sound->type, "soundchip") == 0)
944 break;
945 }
946 if (!sound) return -ENODEV;
947
948 layout_id = (unsigned int *) get_property(sound, "layout-id", NULL);
949 if (!layout_id)
950 goto outnodev;
951 printk(KERN_INFO "snd-aoa-fabric-layout: found bus with layout %d ", *layout_id);
952
953 layout = find_layout_by_id(*layout_id);
954 if (!layout) {
955 printk("(no idea how to handle)\n");
956 goto outnodev;
957 }
958
959 ldev = kzalloc(sizeof(struct layout_dev), GFP_KERNEL);
960 if (!ldev)
961 goto outnodev;
962
963 layout_device = ldev;
964 ldev->sdev = sdev;
965 ldev->sound = sound;
966 ldev->layout = layout;
967 ldev->gpio.node = sound->parent;
968 switch (layout->layout_id) {
969 case 41: /* that unknown machine no one seems to have */
970 case 51: /* PowerBook5,4 */
971 case 58: /* Mac Mini */
972 ldev->gpio.methods = ftr_gpio_methods;
973 break;
974 default:
975 ldev->gpio.methods = pmf_gpio_methods;
976 }
977 ldev->selfptr_headphone.ptr = ldev;
978 ldev->selfptr_lineout.ptr = ldev;
979 sdev->ofdev.dev.driver_data = ldev;
980
981 printk("(using)\n");
982 list_add(&ldev->list, &layouts_list);
983 layouts_list_items++;
984
985 /* assign these before registering ourselves, so
986 * callbacks that are done during registration
987 * already have the values */
988 sdev->pcmid = ldev->layout->pcmid;
989 if (ldev->layout->busname) {
990 sdev->pcmname = ldev->layout->busname;
991 } else {
992 sdev->pcmname = "Master";
993 }
994
995 ldev->gpio.methods->init(&ldev->gpio);
996
997 err = aoa_fabric_register(&layout_fabric);
998 if (err && err != -EALREADY) {
999 printk(KERN_INFO "snd-aoa-fabric-layout: can't use,"
1000 " another fabric is active!\n");
1001 goto outlistdel;
1002 }
1003
1004 use_layout(layout);
1005 ldev->switch_on_headphone = 1;
1006 ldev->switch_on_lineout = 1;
1007 return 0;
1008 outlistdel:
1009 /* we won't be using these then... */
1010 ldev->gpio.methods->exit(&ldev->gpio);
1011 /* reset if we didn't use it */
1012 sdev->pcmname = NULL;
1013 sdev->pcmid = -1;
1014 list_del(&ldev->list);
1015 layouts_list_items--;
1016 outnodev:
1017 if (sound) of_node_put(sound);
1018 layout_device = NULL;
1019 if (ldev) kfree(ldev);
1020 return -ENODEV;
1021}
1022
1023static int aoa_fabric_layout_remove(struct soundbus_dev *sdev)
1024{
1025 struct layout_dev *ldev = sdev->ofdev.dev.driver_data;
1026 int i;
1027
1028 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
1029 if (ldev->codecs[i]) {
1030 aoa_fabric_unlink_codec(ldev->codecs[i]);
1031 }
1032 ldev->codecs[i] = NULL;
1033 }
1034 list_del(&ldev->list);
1035 layouts_list_items--;
1036 of_node_put(ldev->sound);
1037
1038 ldev->gpio.methods->set_notify(&ldev->gpio,
1039 AOA_NOTIFY_HEADPHONE,
1040 NULL,
1041 NULL);
1042 ldev->gpio.methods->set_notify(&ldev->gpio,
1043 AOA_NOTIFY_LINE_OUT,
1044 NULL,
1045 NULL);
1046
1047 ldev->gpio.methods->exit(&ldev->gpio);
1048 layout_device = NULL;
1049 kfree(ldev);
1050 sdev->pcmid = -1;
1051 sdev->pcmname = NULL;
1052 return 0;
1053}
1054
1055#ifdef CONFIG_PM
1056static int aoa_fabric_layout_suspend(struct soundbus_dev *sdev, pm_message_t state)
1057{
1058 struct layout_dev *ldev = sdev->ofdev.dev.driver_data;
1059
1060 printk("aoa_fabric_layout_suspend()\n");
1061
1062 if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off)
1063 ldev->gpio.methods->all_amps_off(&ldev->gpio);
1064
1065 return 0;
1066}
1067
1068static int aoa_fabric_layout_resume(struct soundbus_dev *sdev)
1069{
1070 struct layout_dev *ldev = sdev->ofdev.dev.driver_data;
1071
1072 printk("aoa_fabric_layout_resume()\n");
1073
1074 if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off)
1075 ldev->gpio.methods->all_amps_restore(&ldev->gpio);
1076
1077 return 0;
1078}
1079#endif
1080
1081static struct soundbus_driver aoa_soundbus_driver = {
1082 .name = "snd_aoa_soundbus_drv",
1083 .owner = THIS_MODULE,
1084 .probe = aoa_fabric_layout_probe,
1085 .remove = aoa_fabric_layout_remove,
1086#ifdef CONFIG_PM
1087 .suspend = aoa_fabric_layout_suspend,
1088 .resume = aoa_fabric_layout_resume,
1089#endif
1090};
1091
1092static int __init aoa_fabric_layout_init(void)
1093{
1094 int err;
1095
1096 err = soundbus_register_driver(&aoa_soundbus_driver);
1097 if (err)
1098 return err;
1099 return 0;
1100}
1101
1102static void __exit aoa_fabric_layout_exit(void)
1103{
1104 soundbus_unregister_driver(&aoa_soundbus_driver);
1105 aoa_fabric_unregister(&layout_fabric);
1106}
1107
1108module_init(aoa_fabric_layout_init);
1109module_exit(aoa_fabric_layout_exit);
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-10 01:10:53 -0500