2 * Apple Onboard Audio driver -- layout fabric
4 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
6 * GPL v2, can be found in COPYING.
9 * This fabric module looks for sound codecs
10 * based on the layout-id property in the device tree.
15 #include <linux/list.h>
16 #include <linux/module.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-
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 */
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 */
58 struct codec_connect_info {
60 struct codec_connection *connections;
63 #define LAYOUT_FLAG_COMBO_LINEOUT_SPDIF (1<<0)
66 unsigned int layout_id;
67 struct codec_connect_info codecs[MAX_CODECS_PER_BUS];
70 /* if busname is not assigned, we use 'Master' below,
71 * so that our layout table doesn't need to be filled
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 */
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");
98 /* onyx with all but microphone connected */
99 static struct codec_connection onyx_connections_nomic[] = {
101 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
105 .connected = CC_DIGITALOUT,
109 .connected = CC_LINEIN,
112 {} /* terminate array by .connected == 0 */
115 /* onyx on machines without headphone */
116 static struct codec_connection onyx_connections_noheadphones[] = {
118 .connected = CC_SPEAKERS | CC_LINEOUT |
119 CC_LINEOUT_LABELLED_HEADPHONE,
123 .connected = CC_DIGITALOUT,
126 /* FIXME: are these correct? probably not for all the machines
127 * below ... If not this will need separating. */
129 .connected = CC_LINEIN,
133 .connected = CC_MICROPHONE,
136 {} /* terminate array by .connected == 0 */
139 /* onyx on machines with real line-out */
140 static struct codec_connection onyx_connections_reallineout[] = {
142 .connected = CC_SPEAKERS | CC_LINEOUT | CC_HEADPHONE,
146 .connected = CC_DIGITALOUT,
150 .connected = CC_LINEIN,
153 {} /* terminate array by .connected == 0 */
156 /* tas on machines without line out */
157 static struct codec_connection tas_connections_nolineout[] = {
159 .connected = CC_SPEAKERS | CC_HEADPHONE,
163 .connected = CC_LINEIN,
167 .connected = CC_MICROPHONE,
170 {} /* terminate array by .connected == 0 */
173 /* tas on machines with neither line out nor line in */
174 static struct codec_connection tas_connections_noline[] = {
176 .connected = CC_SPEAKERS | CC_HEADPHONE,
180 .connected = CC_MICROPHONE,
183 {} /* terminate array by .connected == 0 */
186 /* tas on machines without microphone */
187 static struct codec_connection tas_connections_nomic[] = {
189 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
193 .connected = CC_LINEIN,
196 {} /* terminate array by .connected == 0 */
199 /* tas on machines with everything connected */
200 static struct codec_connection tas_connections_all[] = {
202 .connected = CC_SPEAKERS | CC_HEADPHONE | CC_LINEOUT,
206 .connected = CC_LINEIN,
210 .connected = CC_MICROPHONE,
213 {} /* terminate array by .connected == 0 */
216 static struct codec_connection toonie_connections[] = {
218 .connected = CC_SPEAKERS | CC_HEADPHONE,
221 {} /* terminate array by .connected == 0 */
224 static struct codec_connection topaz_input[] = {
226 .connected = CC_DIGITALIN,
229 {} /* terminate array by .connected == 0 */
232 static struct codec_connection topaz_output[] = {
234 .connected = CC_DIGITALOUT,
237 {} /* terminate array by .connected == 0 */
240 static struct codec_connection topaz_inout[] = {
242 .connected = CC_DIGITALIN,
246 .connected = CC_DIGITALOUT,
249 {} /* terminate array by .connected == 0 */
252 static struct layout layouts[] = {
253 /* last PowerBooks (15" Oct 2005) */
255 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
258 .connections = onyx_connections_noheadphones,
262 .connections = topaz_input,
269 .connections = onyx_connections_reallineout,
276 .connections = topaz_input,
281 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
284 .connections = onyx_connections_noheadphones,
291 .connections = topaz_input,
294 /* PowerBook5,9 [17" Oct 2005] */
296 .flags = LAYOUT_FLAG_COMBO_LINEOUT_SPDIF,
299 .connections = onyx_connections_noheadphones,
303 .connections = topaz_input,
310 .connections = onyx_connections_noheadphones,
314 .connections = topaz_input,
317 /* Quad PowerMac (analog in, analog/digital out) */
321 .connections = onyx_connections_nomic,
324 /* Quad PowerMac (digital in) */
328 .connections = topaz_input,
330 .busname = "digital in", .pcmid = 1 },
331 /* Early 2005 PowerBook (PowerBook 5,6) */
335 .connections = tas_connections_nolineout,
342 .connections = tas_connections_nolineout,
349 .connections = tas_connections_noline,
356 .connections = tas_connections_nolineout,
363 .connections = onyx_connections_nomic,
367 .connections = topaz_input,
374 .connections = tas_connections_nolineout,
377 /* PowerMac10,1 (Mac Mini) */
381 .connections = toonie_connections,
384 /* unknown, untested, but this comes from Apple */
388 .connections = tas_connections_all,
394 .connections = tas_connections_nomic,
398 .connections = topaz_inout,
404 .connections = onyx_connections_noheadphones,
410 .connections = topaz_input,
416 .connections = onyx_connections_nomic,
422 .connections = topaz_input,
428 .connections = onyx_connections_noheadphones,
434 .connections = topaz_input,
440 .connections = onyx_connections_noheadphones,
444 .connections = topaz_output,
450 .connections = onyx_connections_noheadphones,
456 .connections = topaz_input,
462 .connections = tas_connections_nomic,
466 .connections = topaz_inout,
472 .connections = tas_connections_noline,
478 /* but it has an external mic?? how to select? */
479 .connections = onyx_connections_noheadphones,
485 .connections = onyx_connections_noheadphones,
491 .connections = toonie_connections,
497 .connections = topaz_input,
501 .connections = onyx_connections_noheadphones,
507 static struct layout *find_layout_by_id(unsigned int id)
512 while (l->layout_id) {
513 if (l->layout_id == id)
520 static void use_layout(struct layout *l)
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);
529 /* now we wait for the codecs to call us back */
534 struct layout_dev_ptr {
535 struct layout_dev *ptr;
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;
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;
553 struct layout_dev_ptr selfptr_headphone;
554 struct layout_dev_ptr selfptr_lineout;
556 u32 have_lineout_detect:1,
557 have_headphone_detect:1,
558 switch_on_headphone:1,
562 static LIST_HEAD(layouts_list);
563 static 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... */
566 static struct layout_dev *layout_device;
568 static int control_info(struct snd_kcontrol *kcontrol,
569 struct snd_ctl_elem_info *uinfo)
571 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
573 uinfo->value.integer.min = 0;
574 uinfo->value.integer.max = 1;
578 #define AMP_CONTROL(n, description) \
579 static int n##_control_get(struct snd_kcontrol *kcontrol, \
580 struct snd_ctl_elem_value *ucontrol) \
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); \
588 static int n##_control_put(struct snd_kcontrol *kcontrol, \
589 struct snd_ctl_elem_value *ucontrol) \
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]); \
597 static 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, \
606 AMP_CONTROL(headphone, "Headphone Switch");
607 AMP_CONTROL(speakers, "Speakers Switch");
608 AMP_CONTROL(lineout, "Line-Out Switch");
610 static int detect_choice_get(struct snd_kcontrol *kcontrol,
611 struct snd_ctl_elem_value *ucontrol)
613 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
615 switch (kcontrol->private_value) {
617 ucontrol->value.integer.value[0] = ldev->switch_on_headphone;
620 ucontrol->value.integer.value[0] = ldev->switch_on_lineout;
628 static int detect_choice_put(struct snd_kcontrol *kcontrol,
629 struct snd_ctl_elem_value *ucontrol)
631 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
633 switch (kcontrol->private_value) {
635 ldev->switch_on_headphone = !!ucontrol->value.integer.value[0];
638 ldev->switch_on_lineout = !!ucontrol->value.integer.value[0];
646 static 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,
656 static 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,
666 static int detected_get(struct snd_kcontrol *kcontrol,
667 struct snd_ctl_elem_value *ucontrol)
669 struct layout_dev *ldev = snd_kcontrol_chip(kcontrol);
672 switch (kcontrol->private_value) {
674 v = ldev->gpio.methods->get_detect(&ldev->gpio,
675 AOA_NOTIFY_HEADPHONE);
678 v = ldev->gpio.methods->get_detect(&ldev->gpio,
679 AOA_NOTIFY_LINE_OUT);
684 ucontrol->value.integer.value[0] = v;
688 static 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,
697 static 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,
706 static int check_codec(struct aoa_codec *codec,
707 struct layout_dev *ldev,
708 struct codec_connect_info *cci)
712 struct codec_connection *cc;
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);
720 printk(KERN_INFO "snd-aoa-fabric-layout: "
721 "required property %s not present\n", propname);
724 if (*ref != codec->node->linux_phandle) {
725 printk(KERN_INFO "snd-aoa-fabric-layout: "
726 "%s doesn't match!\n", propname);
730 if (layouts_list_items != 1) {
731 printk(KERN_INFO "snd-aoa-fabric-layout: "
732 "more than one soundbus, but no references.\n");
736 codec->soundbus_dev = ldev->sdev;
737 codec->gpio = &ldev->gpio;
739 cc = cci->connections;
743 printk(KERN_INFO "snd-aoa-fabric-layout: can use this codec\n");
745 codec->connected = 0;
746 codec->fabric_data = cc;
748 while (cc->connected) {
749 codec->connected |= 1<<cc->codec_bit;
756 static int layout_found_codec(struct aoa_codec *codec)
758 struct layout_dev *ldev;
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)
765 if (strcmp(ldev->layout->codecs[i].name, codec->name) == 0) {
766 if (check_codec(codec,
768 &ldev->layout->codecs[i]) == 0)
776 static void layout_remove_codec(struct aoa_codec *codec)
779 /* here remove the codec from the layout dev's
782 codec->soundbus_dev = NULL;
784 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
788 static void layout_notify(void *data)
790 struct layout_dev_ptr *dptr = data;
791 struct layout_dev *ldev;
793 struct snd_kcontrol *detected, *c;
794 struct snd_card *card = aoa_get_card();
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;
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);
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;
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);
819 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &detected->id);
821 c = ldev->headphone_ctrl;
823 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
824 c = ldev->speaker_ctrl;
826 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
827 c = ldev->lineout_ctrl;
829 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &c->id);
833 static void layout_attached_codec(struct aoa_codec *codec)
835 struct codec_connection *cc;
836 struct snd_kcontrol *ctl;
837 int headphones, lineout;
838 struct layout_dev *ldev = layout_device;
840 /* need to add this codec to our codec array! */
842 cc = codec->fabric_data;
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);
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);
857 if (cc->connected & CC_HEADPHONE) {
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 =
865 ->set_notify(&ldev->gpio,
866 AOA_NOTIFY_HEADPHONE,
868 &ldev->selfptr_headphone);
869 if (ldev->have_headphone_detect) {
870 ctl = snd_ctl_new1(&headphone_detect_choice,
872 aoa_snd_ctl_add(ctl);
873 ctl = snd_ctl_new1(&headphone_detected,
875 ldev->headphone_detected_ctrl = ctl;
876 aoa_snd_ctl_add(ctl);
879 if (cc->connected & CC_LINEOUT) {
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 =
890 ->set_notify(&ldev->gpio,
893 &ldev->selfptr_lineout);
894 if (ldev->have_lineout_detect) {
895 ctl = snd_ctl_new1(&lineout_detect_choice,
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,
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);
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);
921 static 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,
929 static int aoa_fabric_layout_probe(struct soundbus_dev *sdev)
931 struct device_node *sound = NULL;
932 unsigned int *layout_id;
933 struct layout *layout;
934 struct layout_dev *ldev = NULL;
937 /* hm, currently we can only have one ... */
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)
946 if (!sound) return -ENODEV;
948 layout_id = (unsigned int *) get_property(sound, "layout-id", NULL);
951 printk(KERN_INFO "snd-aoa-fabric-layout: found bus with layout %d ", *layout_id);
953 layout = find_layout_by_id(*layout_id);
955 printk("(no idea how to handle)\n");
959 ldev = kzalloc(sizeof(struct layout_dev), GFP_KERNEL);
963 layout_device = ldev;
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;
975 ldev->gpio.methods = pmf_gpio_methods;
977 ldev->selfptr_headphone.ptr = ldev;
978 ldev->selfptr_lineout.ptr = ldev;
979 sdev->ofdev.dev.driver_data = ldev;
982 list_add(&ldev->list, &layouts_list);
983 layouts_list_items++;
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;
992 sdev->pcmname = "Master";
995 ldev->gpio.methods->init(&ldev->gpio);
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");
1005 ldev->switch_on_headphone = 1;
1006 ldev->switch_on_lineout = 1;
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;
1014 list_del(&ldev->list);
1015 layouts_list_items--;
1017 if (sound) of_node_put(sound);
1018 layout_device = NULL;
1019 if (ldev) kfree(ldev);
1023 static int aoa_fabric_layout_remove(struct soundbus_dev *sdev)
1025 struct layout_dev *ldev = sdev->ofdev.dev.driver_data;
1028 for (i=0; i<MAX_CODECS_PER_BUS; i++) {
1029 if (ldev->codecs[i]) {
1030 aoa_fabric_unlink_codec(ldev->codecs[i]);
1032 ldev->codecs[i] = NULL;
1034 list_del(&ldev->list);
1035 layouts_list_items--;
1036 of_node_put(ldev->sound);
1038 ldev->gpio.methods->set_notify(&ldev->gpio,
1039 AOA_NOTIFY_HEADPHONE,
1042 ldev->gpio.methods->set_notify(&ldev->gpio,
1043 AOA_NOTIFY_LINE_OUT,
1047 ldev->gpio.methods->exit(&ldev->gpio);
1048 layout_device = NULL;
1051 sdev->pcmname = NULL;
1056 static int aoa_fabric_layout_suspend(struct soundbus_dev *sdev, pm_message_t state)
1058 struct layout_dev *ldev = sdev->ofdev.dev.driver_data;
1060 printk("aoa_fabric_layout_suspend()\n");
1062 if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off)
1063 ldev->gpio.methods->all_amps_off(&ldev->gpio);
1068 static int aoa_fabric_layout_resume(struct soundbus_dev *sdev)
1070 struct layout_dev *ldev = sdev->ofdev.dev.driver_data;
1072 printk("aoa_fabric_layout_resume()\n");
1074 if (ldev->gpio.methods && ldev->gpio.methods->all_amps_off)
1075 ldev->gpio.methods->all_amps_restore(&ldev->gpio);
1081 static 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,
1087 .suspend = aoa_fabric_layout_suspend,
1088 .resume = aoa_fabric_layout_resume,
1092 static int __init aoa_fabric_layout_init(void)
1096 err = soundbus_register_driver(&aoa_soundbus_driver);
1102 static void __exit aoa_fabric_layout_exit(void)
1104 soundbus_unregister_driver(&aoa_soundbus_driver);
1105 aoa_fabric_unregister(&layout_fabric);
1108 module_init(aoa_fabric_layout_init);
1109 module_exit(aoa_fabric_layout_exit);