ia64/linux-2.6.18-xen.hg

view sound/aoa/fabrics/snd-aoa-fabric-layout.c @ 890:2e94884f0e8d

Dom0 PCI: fix a regression introduced by the SR-IOV change

The device class may be changed during the early fixup. So need to
re-read the device class from pci_dev after the fixup.

The patch "PCI: centralize device setup code" (c/s 825) wrongly
cleaned up the device class re-read. This patch reverts that change.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
author Keir Fraser <keir.fraser@citrix.com>
date Wed Jun 03 11:21:52 2009 +0100 (2009-06-03)
parents 831230e53067
children
line source
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 */
14 #include <asm/prom.h>
15 #include <linux/list.h>
16 #include <linux/module.h>
17 #include "../aoa.h"
18 #include "../soundbus/soundbus.h"
20 MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>");
21 MODULE_LICENSE("GPL");
22 MODULE_DESCRIPTION("Layout-ID fabric for snd-aoa");
24 #define MAX_CODECS_PER_BUS 2
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)
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 };
58 struct codec_connect_info {
59 char *name;
60 struct codec_connection *connections;
61 };
63 #define LAYOUT_FLAG_COMBO_LINEOUT_SPDIF (1<<0)
65 struct layout {
66 unsigned int layout_id;
67 struct codec_connect_info codecs[MAX_CODECS_PER_BUS];
68 int flags;
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 };
80 MODULE_ALIAS("sound-layout-36");
81 MODULE_ALIAS("sound-layout-41");
82 MODULE_ALIAS("sound-layout-45");
83 MODULE_ALIAS("sound-layout-47");
84 MODULE_ALIAS("sound-layout-48");
85 MODULE_ALIAS("sound-layout-49");
86 MODULE_ALIAS("sound-layout-50");
87 MODULE_ALIAS("sound-layout-51");
88 MODULE_ALIAS("sound-layout-56");
89 MODULE_ALIAS("sound-layout-57");
90 MODULE_ALIAS("sound-layout-58");
91 MODULE_ALIAS("sound-layout-60");
92 MODULE_ALIAS("sound-layout-61");
93 MODULE_ALIAS("sound-layout-62");
94 MODULE_ALIAS("sound-layout-64");
95 MODULE_ALIAS("sound-layout-65");
96 MODULE_ALIAS("sound-layout-66");
97 MODULE_ALIAS("sound-layout-67");
98 MODULE_ALIAS("sound-layout-68");
99 MODULE_ALIAS("sound-layout-69");
100 MODULE_ALIAS("sound-layout-70");
101 MODULE_ALIAS("sound-layout-72");
102 MODULE_ALIAS("sound-layout-76");
103 MODULE_ALIAS("sound-layout-80");
104 MODULE_ALIAS("sound-layout-82");
105 MODULE_ALIAS("sound-layout-84");
106 MODULE_ALIAS("sound-layout-86");
107 MODULE_ALIAS("sound-layout-90");
108 MODULE_ALIAS("sound-layout-92");
109 MODULE_ALIAS("sound-layout-94");
110 MODULE_ALIAS("sound-layout-96");
111 MODULE_ALIAS("sound-layout-98");
112 MODULE_ALIAS("sound-layout-100");
114 /* onyx with all but microphone connected */
115 static struct codec_connection onyx_connections_nomic[] = {
116 {
117 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
118 .codec_bit = 0,
119 },
120 {
121 .connected = CC_DIGITALOUT,
122 .codec_bit = 1,
123 },
124 {
125 .connected = CC_LINEIN,
126 .codec_bit = 2,
127 },
128 {} /* terminate array by .connected == 0 */
129 };
131 /* onyx on machines without headphone */
132 static struct codec_connection onyx_connections_noheadphones[] = {
133 {
134 .connected = CC_SPEAKERS | CC_LINEOUT |
135 CC_LINEOUT_LABELLED_HEADPHONE,
136 .codec_bit = 0,
137 },
138 {
139 .connected = CC_DIGITALOUT,
140 .codec_bit = 1,
141 },
142 /* FIXME: are these correct? probably not for all the machines
143 * below ... If not this will need separating. */
144 {
145 .connected = CC_LINEIN,
146 .codec_bit = 2,
147 },
148 {
149 .connected = CC_MICROPHONE,
150 .codec_bit = 3,
151 },
152 {} /* terminate array by .connected == 0 */
153 };
155 /* onyx on machines with real line-out */
156 static struct codec_connection onyx_connections_reallineout[] = {
157 {
158 .connected = CC_SPEAKERS | CC_LINEOUT | CC_HEADPHONE,
159 .codec_bit = 0,
160 },
161 {
162 .connected = CC_DIGITALOUT,
163 .codec_bit = 1,
164 },
165 {
166 .connected = CC_LINEIN,
167 .codec_bit = 2,
168 },
169 {} /* terminate array by .connected == 0 */
170 };
172 /* tas on machines without line out */
173 static struct codec_connection tas_connections_nolineout[] = {
174 {
175 .connected = CC_SPEAKERS | CC_HEADPHONE,
176 .codec_bit = 0,
177 },
178 {
179 .connected = CC_LINEIN,
180 .codec_bit = 2,
181 },
182 {
183 .connected = CC_MICROPHONE,
184 .codec_bit = 3,
185 },
186 {} /* terminate array by .connected == 0 */
187 };
189 /* tas on machines with neither line out nor line in */
190 static struct codec_connection tas_connections_noline[] = {
191 {
192 .connected = CC_SPEAKERS | CC_HEADPHONE,
193 .codec_bit = 0,
194 },
195 {
196 .connected = CC_MICROPHONE,
197 .codec_bit = 3,
198 },
199 {} /* terminate array by .connected == 0 */
200 };
202 /* tas on machines without microphone */
203 static struct codec_connection tas_connections_nomic[] = {
204 {
205 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
206 .codec_bit = 0,
207 },
208 {
209 .connected = CC_LINEIN,
210 .codec_bit = 2,
211 },
212 {} /* terminate array by .connected == 0 */
213 };
215 /* tas on machines with everything connected */
216 static struct codec_connection tas_connections_all[] = {
217 {
218 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
219 .codec_bit = 0,
220 },
221 {
222 .connected = CC_LINEIN,
223 .codec_bit = 2,
224 },
225 {
226 .connected = CC_MICROPHONE,
227 .codec_bit = 3,
228 },
229 {} /* terminate array by .connected == 0 */
230 };
232 static struct codec_connection toonie_connections[] = {
233 {
234 .connected = CC_SPEAKERS | CC_HEADPHONE,
235 .codec_bit = 0,
236 },
237 {} /* terminate array by .connected == 0 */
238 };
240 static struct codec_connection topaz_input[] = {
241 {
242 .connected = CC_DIGITALIN,
243 .codec_bit = 0,
244 },
245 {} /* terminate array by .connected == 0 */
246 };
248 static struct codec_connection topaz_output[] = {
249 {
250 .connected = CC_DIGITALOUT,
251 .codec_bit = 1,
252 },
253 {} /* terminate array by .connected == 0 */
254 };
256 static struct codec_connection topaz_inout[] = {
257 {
258 .connected = CC_DIGITALIN,
259 .codec_bit = 0,
260 },
261 {
262 .connected = CC_DIGITALOUT,
263 .codec_bit = 1,
264 },
265 {} /* terminate array by .connected == 0 */
266 };
268 static struct layout layouts[] = {
269 /* last PowerBooks (15" Oct 2005) */
270 { .layout_id = 82,
271 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
272 .codecs[0] = {
273 .name = "onyx",
274 .connections = onyx_connections_noheadphones,
275 },
276 .codecs[1] = {
277 .name = "topaz",
278 .connections = topaz_input,
279 },
280 },
281 /* PowerMac9,1 */
282 { .layout_id = 60,
283 .codecs[0] = {
284 .name = "onyx",
285 .connections = onyx_connections_reallineout,
286 },
287 },
288 /* PowerMac9,1 */
289 { .layout_id = 61,
290 .codecs[0] = {
291 .name = "topaz",
292 .connections = topaz_input,
293 },
294 },
295 /* PowerBook5,7 */
296 { .layout_id = 64,
297 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
298 .codecs[0] = {
299 .name = "onyx",
300 .connections = onyx_connections_noheadphones,
301 },
302 },
303 /* PowerBook5,7 */
304 { .layout_id = 65,
305 .codecs[0] = {
306 .name = "topaz",
307 .connections = topaz_input,
308 },
309 },
310 /* PowerBook5,9 [17" Oct 2005] */
311 { .layout_id = 84,
312 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
313 .codecs[0] = {
314 .name = "onyx",
315 .connections = onyx_connections_noheadphones,
316 },
317 .codecs[1] = {
318 .name = "topaz",
319 .connections = topaz_input,
320 },
321 },
322 /* PowerMac8,1 */
323 { .layout_id = 45,
324 .codecs[0] = {
325 .name = "onyx",
326 .connections = onyx_connections_noheadphones,
327 },
328 .codecs[1] = {
329 .name = "topaz",
330 .connections = topaz_input,
331 },
332 },
333 /* Quad PowerMac (analog in, analog/digital out) */
334 { .layout_id = 68,
335 .codecs[0] = {
336 .name = "onyx",
337 .connections = onyx_connections_nomic,
338 },
339 },
340 /* Quad PowerMac (digital in) */
341 { .layout_id = 69,
342 .codecs[0] = {
343 .name = "topaz",
344 .connections = topaz_input,
345 },
346 .busname = "digital in", .pcmid = 1 },
347 /* Early 2005 PowerBook (PowerBook 5,6) */
348 { .layout_id = 70,
349 .codecs[0] = {
350 .name = "tas",
351 .connections = tas_connections_nolineout,
352 },
353 },
354 /* PowerBook 5,4 */
355 { .layout_id = 51,
356 .codecs[0] = {
357 .name = "tas",
358 .connections = tas_connections_nolineout,
359 },
360 },
361 /* PowerBook6,7 */
362 { .layout_id = 80,
363 .codecs[0] = {
364 .name = "tas",
365 .connections = tas_connections_noline,
366 },
367 },
368 /* PowerBook6,8 */
369 { .layout_id = 72,
370 .codecs[0] = {
371 .name = "tas",
372 .connections = tas_connections_nolineout,
373 },
374 },
375 /* PowerMac8,2 */
376 { .layout_id = 86,
377 .codecs[0] = {
378 .name = "onyx",
379 .connections = onyx_connections_nomic,
380 },
381 .codecs[1] = {
382 .name = "topaz",
383 .connections = topaz_input,
384 },
385 },
386 /* PowerBook6,7 */
387 { .layout_id = 92,
388 .codecs[0] = {
389 .name = "tas",
390 .connections = tas_connections_nolineout,
391 },
392 },
393 /* PowerMac10,1 (Mac Mini) */
394 { .layout_id = 58,
395 .codecs[0] = {
396 .name = "toonie",
397 .connections = toonie_connections,
398 },
399 },
400 {
401 .layout_id = 96,
402 .codecs[0] = {
403 .name = "onyx",
404 .connections = onyx_connections_noheadphones,
405 },
406 },
407 /* unknown, untested, but this comes from Apple */
408 { .layout_id = 41,
409 .codecs[0] = {
410 .name = "tas",
411 .connections = tas_connections_all,
412 },
413 },
414 { .layout_id = 36,
415 .codecs[0] = {
416 .name = "tas",
417 .connections = tas_connections_nomic,
418 },
419 .codecs[1] = {
420 .name = "topaz",
421 .connections = topaz_inout,
422 },
423 },
424 { .layout_id = 47,
425 .codecs[0] = {
426 .name = "onyx",
427 .connections = onyx_connections_noheadphones,
428 },
429 },
430 { .layout_id = 48,
431 .codecs[0] = {
432 .name = "topaz",
433 .connections = topaz_input,
434 },
435 },
436 { .layout_id = 49,
437 .codecs[0] = {
438 .name = "onyx",
439 .connections = onyx_connections_nomic,
440 },
441 },
442 { .layout_id = 50,
443 .codecs[0] = {
444 .name = "topaz",
445 .connections = topaz_input,
446 },
447 },
448 { .layout_id = 56,
449 .codecs[0] = {
450 .name = "onyx",
451 .connections = onyx_connections_noheadphones,
452 },
453 },
454 { .layout_id = 57,
455 .codecs[0] = {
456 .name = "topaz",
457 .connections = topaz_input,
458 },
459 },
460 { .layout_id = 62,
461 .codecs[0] = {
462 .name = "onyx",
463 .connections = onyx_connections_noheadphones,
464 },
465 .codecs[1] = {
466 .name = "topaz",
467 .connections = topaz_output,
468 },
469 },
470 { .layout_id = 66,
471 .codecs[0] = {
472 .name = "onyx",
473 .connections = onyx_connections_noheadphones,
474 },
475 },
476 { .layout_id = 67,
477 .codecs[0] = {
478 .name = "topaz",
479 .connections = topaz_input,
480 },
481 },
482 { .layout_id = 76,
483 .codecs[0] = {
484 .name = "tas",
485 .connections = tas_connections_nomic,
486 },
487 .codecs[1] = {
488 .name = "topaz",
489 .connections = topaz_inout,
490 },
491 },
492 { .layout_id = 90,
493 .codecs[0] = {
494 .name = "tas",
495 .connections = tas_connections_noline,
496 },
497 },
498 { .layout_id = 94,
499 .codecs[0] = {
500 .name = "onyx",
501 /* but it has an external mic?? how to select? */
502 .connections = onyx_connections_noheadphones,
503 },
504 },
505 { .layout_id = 98,
506 .codecs[0] = {
507 .name = "toonie",
508 .connections = toonie_connections,
509 },
510 },
511 { .layout_id = 100,
512 .codecs[0] = {
513 .name = "topaz",
514 .connections = topaz_input,
515 },
516 .codecs[1] = {
517 .name = "onyx",
518 .connections = onyx_connections_noheadphones,
519 },
520 },
521 {}
522 };
524 static struct layout *find_layout_by_id(unsigned int id)
525 {
526 struct layout *l;
528 l = layouts;
529 while (l->layout_id) {
530 if (l->layout_id == id)
531 return l;
532 l++;
533 }
534 return NULL;
535 }
537 static void use_layout(struct layout *l)
538 {
539 int i;
541 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
542 if (l->codecs[i].name) {
543 request_module("snd-aoa-codec-%s", l->codecs[i].name);
544 }
545 }
546 /* now we wait for the codecs to call us back */
547 }
549 struct layout_dev;
551 struct layout_dev_ptr {
552 struct layout_dev *ptr;
553 };
555 struct layout_dev {
556 struct list_head list;
557 struct soundbus_dev *sdev;
558 struct device_node *sound;
559 struct aoa_codec *codecs[MAX_CODECS_PER_BUS];
560 struct layout *layout;
561 struct gpio_runtime gpio;
563 /* we need these for headphone/lineout detection */
564 struct snd_kcontrol *headphone_ctrl;
565 struct snd_kcontrol *lineout_ctrl;
566 struct snd_kcontrol *speaker_ctrl;
567 struct snd_kcontrol *headphone_detected_ctrl;
568 struct snd_kcontrol *lineout_detected_ctrl;
570 struct layout_dev_ptr selfptr_headphone;
571 struct layout_dev_ptr selfptr_lineout;
573 u32 have_lineout_detect:1,
574 have_headphone_detect:1,
575 switch_on_headphone:1,
576 switch_on_lineout:1;
577 };
579 static LIST_HEAD(layouts_list);
580 static int layouts_list_items;
581 /* this can go away but only if we allow multiple cards,
582 * make the fabric handle all the card stuff, etc... */
583 static struct layout_dev *layout_device;
585 static int control_info(struct snd_kcontrol *kcontrol,
586 struct snd_ctl_elem_info *uinfo)
587 {
588 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
589 uinfo->count = 1;
590 uinfo->value.integer.min = 0;
591 uinfo->value.integer.max = 1;
592 return 0;
593 }
595 #define AMP_CONTROL(n, description) \
596 static int n##_control_get(struct snd_kcontrol *kcontrol, \
597 struct snd_ctl_elem_value *ucontrol) \
598 { \
599 struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol); \
600 if (gpio->methods && gpio->methods->get_##n) \
601 ucontrol->value.integer.value[0] = \
602 gpio->methods->get_##n(gpio); \
603 return 0; \
604 } \
605 static int n##_control_put(struct snd_kcontrol *kcontrol, \
606 struct snd_ctl_elem_value *ucontrol) \
607 { \
608 struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol); \
609 if (gpio->methods && gpio->methods->get_##n) \
610 gpio->methods->set_##n(gpio, \
611 ucontrol->value.integer.value[0]); \
612 return 1; \
613 } \
614 static struct snd_kcontrol_new n##_ctl = { \
615 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
616 .name = description, \
617 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
618 .info = control_info, \
619 .get = n##_control_get, \
620 .put = n##_control_put, \
621 }
623 AMP_CONTROL(headphone, "Headphone Switch");
624 AMP_CONTROL(speakers, "Speakers Switch");
625 AMP_CONTROL(lineout, "Line-Out Switch");
627 static int detect_choice_get(struct snd_kcontrol *kcontrol,
628 struct snd_ctl_elem_value *ucontrol)
629 {
630 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
632 switch (kcontrol->private_value) {
633 case 0:
634 ucontrol->value.integer.value[0] = ldev->switch_on_headphone;
635 break;
636 case 1:
637 ucontrol->value.integer.value[0] = ldev->switch_on_lineout;
638 break;
639 default:
640 return -ENODEV;
641 }
642 return 0;
643 }
645 static int detect_choice_put(struct snd_kcontrol *kcontrol,
646 struct snd_ctl_elem_value *ucontrol)
647 {
648 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
650 switch (kcontrol->private_value) {
651 case 0:
652 ldev->switch_on_headphone = !!ucontrol->value.integer.value[0];
653 break;
654 case 1:
655 ldev->switch_on_lineout = !!ucontrol->value.integer.value[0];
656 break;
657 default:
658 return -ENODEV;
659 }
660 return 1;
661 }
663 static struct snd_kcontrol_new headphone_detect_choice = {
664 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
665 .name = "Headphone Detect Autoswitch",
666 .info = control_info,
667 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
668 .get = detect_choice_get,
669 .put = detect_choice_put,
670 .private_value = 0,
671 };
673 static struct snd_kcontrol_new lineout_detect_choice = {
674 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
675 .name = "Line-Out Detect Autoswitch",
676 .info = control_info,
677 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
678 .get = detect_choice_get,
679 .put = detect_choice_put,
680 .private_value = 1,
681 };
683 static int detected_get(struct snd_kcontrol *kcontrol,
684 struct snd_ctl_elem_value *ucontrol)
685 {
686 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
687 int v;
689 switch (kcontrol->private_value) {
690 case 0:
691 v = ldev->gpio.methods->get_detect(&ldev->gpio,
692 AOA_NOTIFY_HEADPHONE);
693 break;
694 case 1:
695 v = ldev->gpio.methods->get_detect(&ldev->gpio,
696 AOA_NOTIFY_LINE_OUT);
697 break;
698 default:
699 return -ENODEV;
700 }
701 ucontrol->value.integer.value[0] = v;
702 return 0;
703 }
705 static struct snd_kcontrol_new headphone_detected = {
706 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
707 .name = "Headphone Detected",
708 .info = control_info,
709 .access = SNDRV_CTL_ELEM_ACCESS_READ,
710 .get = detected_get,
711 .private_value = 0,
712 };
714 static struct snd_kcontrol_new lineout_detected = {
715 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
716 .name = "Line-Out Detected",
717 .info = control_info,
718 .access = SNDRV_CTL_ELEM_ACCESS_READ,
719 .get = detected_get,
720 .private_value = 1,
721 };
723 static int check_codec(struct aoa_codec *codec,
724 struct layout_dev *ldev,
725 struct codec_connect_info *cci)
726 {
727 u32 *ref;
728 char propname[32];
729 struct codec_connection *cc;
731 /* if the codec has a 'codec' node, we require a reference */
732 if (codec->node && (strcmp(codec->node->name, "codec") == 0)) {
733 snprintf(propname, sizeof(propname),
734 "platform-%s-codec-ref", codec->name);
735 ref = (u32*)get_property(ldev->sound, propname, NULL);
736 if (!ref) {
737 printk(KERN_INFO "snd-aoa-fabric-layout: "
738 "required property %s not present\n", propname);
739 return -ENODEV;
740 }
741 if (*ref != codec->node->linux_phandle) {
742 printk(KERN_INFO "snd-aoa-fabric-layout: "
743 "%s doesn't match!\n", propname);
744 return -ENODEV;
745 }
746 } else {
747 if (layouts_list_items != 1) {
748 printk(KERN_INFO "snd-aoa-fabric-layout: "
749 "more than one soundbus, but no references.\n");
750 return -ENODEV;
751 }
752 }
753 codec->soundbus_dev = ldev->sdev;
754 codec->gpio = &ldev->gpio;
756 cc = cci->connections;
757 if (!cc)
758 return -EINVAL;
760 printk(KERN_INFO "snd-aoa-fabric-layout: can use this codec\n");
762 codec->connected = 0;
763 codec->fabric_data = cc;
765 while (cc->connected) {
766 codec->connected |= 1<<cc->codec_bit;
767 cc++;
768 }
770 return 0;
771 }
773 static int layout_found_codec(struct aoa_codec *codec)
774 {
775 struct layout_dev *ldev;
776 int i;
778 list_for_each_entry(ldev, &layouts_list, list) {
779 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
780 if (!ldev->layout->codecs[i].name)
781 continue;
782 if (strcmp(ldev->layout->codecs[i].name, codec->name) == 0) {
783 if (check_codec(codec,
784 ldev,
785 &ldev->layout->codecs[i]) == 0)
786 return 0;
787 }
788 }
789 }
790 return -ENODEV;
791 }
793 static void layout_remove_codec(struct aoa_codec *codec)
794 {
795 int i;
796 /* here remove the codec from the layout dev's
797 * codec reference */
799 codec->soundbus_dev = NULL;
800 codec->gpio = NULL;
801 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
802 }
803 }
805 static void layout_notify(void *data)
806 {
807 struct layout_dev_ptr *dptr = data;
808 struct layout_dev *ldev;
809 int v, update;
810 struct snd_kcontrol *detected, *c;
811 struct snd_card *card = aoa_get_card();
813 ldev = dptr->ptr;
814 if (data == &ldev->selfptr_headphone) {
815 v = ldev->gpio.methods->get_detect(&ldev->gpio, AOA_NOTIFY_HEADPHONE);
816 detected = ldev->headphone_detected_ctrl;
817 update = ldev->switch_on_headphone;
818 if (update) {
819 ldev->gpio.methods->set_speakers(&ldev->gpio, !v);
820 ldev->gpio.methods->set_headphone(&ldev->gpio, v);
821 ldev->gpio.methods->set_lineout(&ldev->gpio, 0);
822 }
823 } else if (data == &ldev->selfptr_lineout) {
824 v = ldev->gpio.methods->get_detect(&ldev->gpio, AOA_NOTIFY_LINE_OUT);
825 detected = ldev->lineout_detected_ctrl;
826 update = ldev->switch_on_lineout;
827 if (update) {
828 ldev->gpio.methods->set_speakers(&ldev->gpio, !v);
829 ldev->gpio.methods->set_headphone(&ldev->gpio, 0);
830 ldev->gpio.methods->set_lineout(&ldev->gpio, v);
831 }
832 } else
833 return;
835 if (detected)
836 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &detected->id);
837 if (update) {
838 c = ldev->headphone_ctrl;
839 if (c)
840 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
841 c = ldev->speaker_ctrl;
842 if (c)
843 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
844 c = ldev->lineout_ctrl;
845 if (c)
846 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
847 }
848 }
850 static void layout_attached_codec(struct aoa_codec *codec)
851 {
852 struct codec_connection *cc;
853 struct snd_kcontrol *ctl;
854 int headphones, lineout;
855 struct layout_dev *ldev = layout_device;
857 /* need to add this codec to our codec array! */
859 cc = codec->fabric_data;
861 headphones = codec->gpio->methods->get_detect(codec->gpio,
862 AOA_NOTIFY_HEADPHONE);
863 lineout = codec->gpio->methods->get_detect(codec->gpio,
864 AOA_NOTIFY_LINE_OUT);
866 while (cc->connected) {
867 if (cc->connected & CC_SPEAKERS) {
868 if (headphones <= 0 && lineout <= 0)
869 ldev->gpio.methods->set_speakers(codec->gpio, 1);
870 ctl = snd_ctl_new1(&speakers_ctl, codec->gpio);
871 ldev->speaker_ctrl = ctl;
872 aoa_snd_ctl_add(ctl);
873 }
874 if (cc->connected & CC_HEADPHONE) {
875 if (headphones == 1)
876 ldev->gpio.methods->set_headphone(codec->gpio, 1);
877 ctl = snd_ctl_new1(&headphone_ctl, codec->gpio);
878 ldev->headphone_ctrl = ctl;
879 aoa_snd_ctl_add(ctl);
880 ldev->have_headphone_detect =
881 !ldev->gpio.methods
882 ->set_notify(&ldev->gpio,
883 AOA_NOTIFY_HEADPHONE,
884 layout_notify,
885 &ldev->selfptr_headphone);
886 if (ldev->have_headphone_detect) {
887 ctl = snd_ctl_new1(&headphone_detect_choice,
888 ldev);
889 aoa_snd_ctl_add(ctl);
890 ctl = snd_ctl_new1(&headphone_detected,
891 ldev);
892 ldev->headphone_detected_ctrl = ctl;
893 aoa_snd_ctl_add(ctl);
894 }
895 }
896 if (cc->connected & CC_LINEOUT) {
897 if (lineout == 1)
898 ldev->gpio.methods->set_lineout(codec->gpio, 1);
899 ctl = snd_ctl_new1(&lineout_ctl, codec->gpio);
900 if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE)
901 strlcpy(ctl->id.name,
902 "Headphone Switch", sizeof(ctl->id.name));
903 ldev->lineout_ctrl = ctl;
904 aoa_snd_ctl_add(ctl);
905 ldev->have_lineout_detect =
906 !ldev->gpio.methods
907 ->set_notify(&ldev->gpio,
908 AOA_NOTIFY_LINE_OUT,
909 layout_notify,
910 &ldev->selfptr_lineout);
911 if (ldev->have_lineout_detect) {
912 ctl = snd_ctl_new1(&lineout_detect_choice,
913 ldev);
914 if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE)
915 strlcpy(ctl->id.name,
916 "Headphone Detect Autoswitch",
917 sizeof(ctl->id.name));
918 aoa_snd_ctl_add(ctl);
919 ctl = snd_ctl_new1(&lineout_detected,
920 ldev);
921 if (cc->connected & CC_LINEOUT_LABELLED_HEADPHONE)
922 strlcpy(ctl->id.name,
923 "Headphone Detected",
924 sizeof(ctl->id.name));
925 ldev->lineout_detected_ctrl = ctl;
926 aoa_snd_ctl_add(ctl);
927 }
928 }
929 cc++;
930 }
931 /* now update initial state */
932 if (ldev->have_headphone_detect)
933 layout_notify(&ldev->selfptr_headphone);
934 if (ldev->have_lineout_detect)
935 layout_notify(&ldev->selfptr_lineout);
936 }
938 static struct aoa_fabric layout_fabric = {
939 .name = "SoundByLayout",
940 .owner = THIS_MODULE,
941 .found_codec = layout_found_codec,
942 .remove_codec = layout_remove_codec,
943 .attached_codec = layout_attached_codec,
944 };
946 static int aoa_fabric_layout_probe(struct soundbus_dev *sdev)
947 {
948 struct device_node *sound = NULL;
949 unsigned int *layout_id;
950 struct layout *layout;
951 struct layout_dev *ldev = NULL;
952 int err;
954 /* hm, currently we can only have one ... */
955 if (layout_device)
956 return -ENODEV;
958 /* by breaking out we keep a reference */
959 while ((sound = of_get_next_child(sdev->ofdev.node, sound))) {
960 if (sound->type && strcasecmp(sound->type, "soundchip") == 0)
961 break;
962 }
963 if (!sound) return -ENODEV;
965 layout_id = (unsigned int *) get_property(sound, "layout-id", NULL);
966 if (!layout_id)
967 goto outnodev;
968 printk(KERN_INFO "snd-aoa-fabric-layout: found bus with layout %d\n",
969 *layout_id);
971 layout = find_layout_by_id(*layout_id);
972 if (!layout) {
973 printk(KERN_ERR "snd-aoa-fabric-layout: unknown layout\n");
974 goto outnodev;
975 }
977 ldev = kzalloc(sizeof(struct layout_dev), GFP_KERNEL);
978 if (!ldev)
979 goto outnodev;
981 layout_device = ldev;
982 ldev->sdev = sdev;
983 ldev->sound = sound;
984 ldev->layout = layout;
985 ldev->gpio.node = sound->parent;
986 switch (layout->layout_id) {
987 case 41: /* that unknown machine no one seems to have */
988 case 51: /* PowerBook5,4 */
989 case 58: /* Mac Mini */
990 ldev->gpio.methods = ftr_gpio_methods;
991 printk(KERN_DEBUG
992 "snd-aoa-fabric-layout: Using direct GPIOs\n");
993 break;
994 default:
995 ldev->gpio.methods = pmf_gpio_methods;
996 printk(KERN_DEBUG
997 "snd-aoa-fabric-layout: Using PMF GPIOs\n");
998 }
999 ldev->selfptr_headphone.ptr = ldev;
1000 ldev->selfptr_lineout.ptr = ldev;
1001 sdev->ofdev.dev.driver_data = ldev;
1002 list_add(&ldev->list, &layouts_list);
1003 layouts_list_items++;
1005 /* assign these before registering ourselves, so
1006 * callbacks that are done during registration
1007 * already have the values */
1008 sdev->pcmid = ldev->layout->pcmid;
1009 if (ldev->layout->busname) {
1010 sdev->pcmname = ldev->layout->busname;
1011 } else {
1012 sdev->pcmname = "Master";
1015 ldev->gpio.methods->init(&ldev->gpio);
1017 err = aoa_fabric_register(&layout_fabric);
1018 if (err && err != -EALREADY) {
1019 printk(KERN_INFO "snd-aoa-fabric-layout: can't use,"
1020 " another fabric is active!\n");
1021 goto outlistdel;
1024 use_layout(layout);
1025 ldev->switch_on_headphone = 1;
1026 ldev->switch_on_lineout = 1;
1027 return 0;
1028 outlistdel:
1029 /* we won't be using these then... */
1030 ldev->gpio.methods->exit(&ldev->gpio);
1031 /* reset if we didn't use it */
1032 sdev->pcmname = NULL;
1033 sdev->pcmid = -1;
1034 list_del(&ldev->list);
1035 layouts_list_items--;
1036 outnodev:
1037 if (sound) of_node_put(sound);
1038 layout_device = NULL;
1039 if (ldev) kfree(ldev);
1040 return -ENODEV;
1043 static int aoa_fabric_layout_remove(struct soundbus_dev *sdev)
1045 struct layout_dev *ldev = sdev->ofdev.dev.driver_data;
1046 int i;
1048 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
1049 if (ldev->codecs[i]) {
1050 aoa_fabric_unlink_codec(ldev->codecs[i]);
1052 ldev->codecs[i] = NULL;
1054 list_del(&ldev->list);
1055 layouts_list_items--;
1056 of_node_put(ldev->sound);
1058 ldev->gpio.methods->set_notify(&ldev->gpio,
1059 AOA_NOTIFY_HEADPHONE,
1060 NULL,
1061 NULL);
1062 ldev->gpio.methods->set_notify(&ldev->gpio,
1063 AOA_NOTIFY_LINE_OUT,
1064 NULL,
1065 NULL);
1067 ldev->gpio.methods->exit(&ldev->gpio);
1068 layout_device = NULL;
1069 kfree(ldev);
1070 sdev->pcmid = -1;
1071 sdev->pcmname = NULL;
1072 return 0;
1075 #ifdef CONFIG_PM
1076 static int aoa_fabric_layout_suspend(struct soundbus_dev *sdev, pm_message_t state)
1078 struct layout_dev *ldev = sdev->ofdev.dev.driver_data;
1080 printk("aoa_fabric_layout_suspend()\n");
1082 if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off)
1083 ldev->gpio.methods->all_amps_off(&ldev->gpio);
1085 return 0;
1088 static int aoa_fabric_layout_resume(struct soundbus_dev *sdev)
1090 struct layout_dev *ldev = sdev->ofdev.dev.driver_data;
1092 printk("aoa_fabric_layout_resume()\n");
1094 if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off)
1095 ldev->gpio.methods->all_amps_restore(&ldev->gpio);
1097 return 0;
1099 #endif
1101 static struct soundbus_driver aoa_soundbus_driver = {
1102 .name = "snd_aoa_soundbus_drv",
1103 .owner = THIS_MODULE,
1104 .probe = aoa_fabric_layout_probe,
1105 .remove = aoa_fabric_layout_remove,
1106 #ifdef CONFIG_PM
1107 .suspend = aoa_fabric_layout_suspend,
1108 .resume = aoa_fabric_layout_resume,
1109 #endif
1110 };
1112 static int __init aoa_fabric_layout_init(void)
1114 int err;
1116 err = soundbus_register_driver(&aoa_soundbus_driver);
1117 if (err)
1118 return err;
1119 return 0;
1122 static void __exit aoa_fabric_layout_exit(void)
1124 soundbus_unregister_driver(&aoa_soundbus_driver);
1125 aoa_fabric_unregister(&layout_fabric);
1128 module_init(aoa_fabric_layout_init);
1129 module_exit(aoa_fabric_layout_exit);