Lines Matching refs:edev
211 struct extcon_dev *edev; member
236 static int check_mutually_exclusive(struct extcon_dev *edev, u32 new_state) in check_mutually_exclusive() argument
240 if (!edev->mutually_exclusive) in check_mutually_exclusive()
243 for (i = 0; edev->mutually_exclusive[i]; i++) { in check_mutually_exclusive()
245 u32 correspondants = new_state & edev->mutually_exclusive[i]; in check_mutually_exclusive()
256 static int find_cable_index_by_id(struct extcon_dev *edev, const unsigned int id) in find_cable_index_by_id() argument
261 for (i = 0; i < edev->max_supported; i++) { in find_cable_index_by_id()
262 if (edev->supported_cable[i] == id) in find_cable_index_by_id()
285 static bool is_extcon_attached(struct extcon_dev *edev, unsigned int index) in is_extcon_attached() argument
287 return !!(edev->state & BIT(index)); in is_extcon_attached()
290 static bool is_extcon_changed(struct extcon_dev *edev, int index, in is_extcon_changed() argument
293 int state = !!(edev->state & BIT(index)); in is_extcon_changed()
310 static int is_extcon_property_capability(struct extcon_dev *edev, in is_extcon_property_capability() argument
321 cable = &edev->cables[index]; in is_extcon_property_capability()
343 static void init_property(struct extcon_dev *edev, unsigned int id, int index) in init_property() argument
346 struct extcon_cable *cable = &edev->cables[index]; in init_property()
362 struct extcon_dev *edev = dev_get_drvdata(dev); in state_show() local
364 if (edev->max_supported == 0) in state_show()
365 return sprintf(buf, "%u\n", edev->state); in state_show()
367 for (i = 0; i < edev->max_supported; i++) { in state_show()
369 extcon_info[edev->supported_cable[i]].name, in state_show()
370 !!(edev->state & BIT(i))); in state_show()
380 struct extcon_dev *edev = dev_get_drvdata(dev); in name_show() local
382 return sprintf(buf, "%s\n", edev->name); in name_show()
394 extcon_info[cable->edev->supported_cable[i]].name); in cable_name_show()
406 extcon_get_state(cable->edev, cable->edev->supported_cable[i])); in cable_state_show()
418 int extcon_sync(struct extcon_dev *edev, unsigned int id) in extcon_sync() argument
430 if (!edev) in extcon_sync()
433 index = find_cable_index_by_id(edev, id); in extcon_sync()
437 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
438 state = !!(edev->state & BIT(index)); in extcon_sync()
439 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
445 raw_notifier_call_chain(&edev->nh[index], state, edev); in extcon_sync()
451 raw_notifier_call_chain(&edev->nh_all, state, edev); in extcon_sync()
453 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
458 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
460 dev_err(&edev->dev, "out of memory in extcon_set_state\n"); in extcon_sync()
461 kobject_uevent(&edev->dev.kobj, KOBJ_CHANGE); in extcon_sync()
466 length = name_show(&edev->dev, NULL, prop_buf); in extcon_sync()
474 length = state_show(&edev->dev, NULL, prop_buf); in extcon_sync()
484 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
485 kobject_uevent_env(&edev->dev.kobj, KOBJ_CHANGE, envp); in extcon_sync()
499 int extcon_get_state(struct extcon_dev *edev, const unsigned int id) in extcon_get_state() argument
504 if (!edev) in extcon_get_state()
507 index = find_cable_index_by_id(edev, id); in extcon_get_state()
511 spin_lock_irqsave(&edev->lock, flags); in extcon_get_state()
512 state = is_extcon_attached(edev, index); in extcon_get_state()
513 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_state()
532 int extcon_set_state(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state() argument
537 if (!edev) in extcon_set_state()
540 index = find_cable_index_by_id(edev, id); in extcon_set_state()
544 spin_lock_irqsave(&edev->lock, flags); in extcon_set_state()
547 if (!is_extcon_changed(edev, index, state)) in extcon_set_state()
550 if (check_mutually_exclusive(edev, in extcon_set_state()
551 (edev->state & ~BIT(index)) | (state & BIT(index)))) { in extcon_set_state()
561 init_property(edev, id, index); in extcon_set_state()
565 edev->state |= BIT(index); in extcon_set_state()
567 edev->state &= ~(BIT(index)); in extcon_set_state()
569 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_state()
587 int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state_sync() argument
592 index = find_cable_index_by_id(edev, id); in extcon_set_state_sync()
597 spin_lock_irqsave(&edev->lock, flags); in extcon_set_state_sync()
598 ret = is_extcon_changed(edev, index, state); in extcon_set_state_sync()
599 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_state_sync()
603 ret = extcon_set_state(edev, id, state); in extcon_set_state_sync()
607 return extcon_sync(edev, id); in extcon_set_state_sync()
625 int extcon_get_property(struct extcon_dev *edev, unsigned int id, in extcon_get_property() argument
635 if (!edev) in extcon_get_property()
643 index = find_cable_index_by_id(edev, id); in extcon_get_property()
647 spin_lock_irqsave(&edev->lock, flags); in extcon_get_property()
650 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_get_property()
651 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
660 if (!is_extcon_attached(edev, index)) { in extcon_get_property()
661 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
665 cable = &edev->cables[index]; in extcon_get_property()
686 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
704 int extcon_set_property(struct extcon_dev *edev, unsigned int id, in extcon_set_property() argument
712 if (!edev) in extcon_set_property()
720 index = find_cable_index_by_id(edev, id); in extcon_set_property()
724 spin_lock_irqsave(&edev->lock, flags); in extcon_set_property()
727 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_set_property()
728 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
732 cable = &edev->cables[index]; in extcon_set_property()
753 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
769 int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id, in extcon_set_property_sync() argument
775 ret = extcon_set_property(edev, id, prop, prop_val); in extcon_set_property_sync()
779 return extcon_sync(edev, id); in extcon_set_property_sync()
792 int extcon_get_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_get_property_capability() argument
797 if (!edev) in extcon_get_property_capability()
805 index = find_cable_index_by_id(edev, id); in extcon_get_property_capability()
809 return is_extcon_property_capability(edev, id, index, prop); in extcon_get_property_capability()
826 int extcon_set_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_set_property_capability() argument
832 if (!edev) in extcon_set_property_capability()
840 index = find_cable_index_by_id(edev, id); in extcon_set_property_capability()
848 cable = &edev->cables[index]; in extcon_set_property_capability()
909 int extcon_register_notifier(struct extcon_dev *edev, unsigned int id, in extcon_register_notifier() argument
915 if (!edev || !nb) in extcon_register_notifier()
918 idx = find_cable_index_by_id(edev, id); in extcon_register_notifier()
922 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier()
923 ret = raw_notifier_chain_register(&edev->nh[idx], nb); in extcon_register_notifier()
924 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier()
938 int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id, in extcon_unregister_notifier() argument
944 if (!edev || !nb) in extcon_unregister_notifier()
947 idx = find_cable_index_by_id(edev, id); in extcon_unregister_notifier()
951 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier()
952 ret = raw_notifier_chain_unregister(&edev->nh[idx], nb); in extcon_unregister_notifier()
953 spin_unlock_irqrestore(&edev->lock, flags); in extcon_unregister_notifier()
971 int extcon_register_notifier_all(struct extcon_dev *edev, in extcon_register_notifier_all() argument
977 if (!edev || !nb) in extcon_register_notifier_all()
980 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier_all()
981 ret = raw_notifier_chain_register(&edev->nh_all, nb); in extcon_register_notifier_all()
982 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier_all()
995 int extcon_unregister_notifier_all(struct extcon_dev *edev, in extcon_unregister_notifier_all() argument
1001 if (!edev || !nb) in extcon_unregister_notifier_all()
1004 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier_all()
1005 ret = raw_notifier_chain_unregister(&edev->nh_all, nb); in extcon_unregister_notifier_all()
1006 spin_unlock_irqrestore(&edev->lock, flags); in extcon_unregister_notifier_all()
1053 struct extcon_dev *edev; in extcon_dev_allocate() local
1058 edev = kzalloc(sizeof(*edev), GFP_KERNEL); in extcon_dev_allocate()
1059 if (!edev) in extcon_dev_allocate()
1062 edev->max_supported = 0; in extcon_dev_allocate()
1063 edev->supported_cable = supported_cable; in extcon_dev_allocate()
1065 return edev; in extcon_dev_allocate()
1072 void extcon_dev_free(struct extcon_dev *edev) in extcon_dev_free() argument
1074 kfree(edev); in extcon_dev_free()
1092 int extcon_dev_register(struct extcon_dev *edev) in extcon_dev_register() argument
1103 if (!edev || !edev->supported_cable) in extcon_dev_register()
1106 for (; edev->supported_cable[index] != EXTCON_NONE; index++); in extcon_dev_register()
1108 edev->max_supported = index; in extcon_dev_register()
1110 dev_err(&edev->dev, in extcon_dev_register()
1115 edev->dev.class = extcon_class; in extcon_dev_register()
1116 edev->dev.release = extcon_dev_release; in extcon_dev_register()
1118 edev->name = dev_name(edev->dev.parent); in extcon_dev_register()
1119 if (IS_ERR_OR_NULL(edev->name)) { in extcon_dev_register()
1120 dev_err(&edev->dev, in extcon_dev_register()
1124 dev_set_name(&edev->dev, "extcon%lu", in extcon_dev_register()
1127 if (edev->max_supported) { in extcon_dev_register()
1131 edev->cables = kcalloc(edev->max_supported, in extcon_dev_register()
1134 if (!edev->cables) { in extcon_dev_register()
1138 for (index = 0; index < edev->max_supported; index++) { in extcon_dev_register()
1139 cable = &edev->cables[index]; in extcon_dev_register()
1144 cable = &edev->cables[index]; in extcon_dev_register()
1152 cable->edev = edev; in extcon_dev_register()
1172 if (edev->max_supported && edev->mutually_exclusive) { in extcon_dev_register()
1176 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_dev_register()
1179 edev->attrs_muex = kcalloc(index + 1, in extcon_dev_register()
1182 if (!edev->attrs_muex) { in extcon_dev_register()
1187 edev->d_attrs_muex = kcalloc(index, in extcon_dev_register()
1190 if (!edev->d_attrs_muex) { in extcon_dev_register()
1192 kfree(edev->attrs_muex); in extcon_dev_register()
1196 for (index = 0; edev->mutually_exclusive[index]; index++) { in extcon_dev_register()
1198 edev->mutually_exclusive[index]); in extcon_dev_register()
1201 kfree(edev->d_attrs_muex[index].attr. in extcon_dev_register()
1204 kfree(edev->d_attrs_muex); in extcon_dev_register()
1205 kfree(edev->attrs_muex); in extcon_dev_register()
1209 sysfs_attr_init(&edev->d_attrs_muex[index].attr); in extcon_dev_register()
1210 edev->d_attrs_muex[index].attr.name = name; in extcon_dev_register()
1211 edev->d_attrs_muex[index].attr.mode = 0000; in extcon_dev_register()
1212 edev->attrs_muex[index] = &edev->d_attrs_muex[index] in extcon_dev_register()
1215 edev->attr_g_muex.name = muex_name; in extcon_dev_register()
1216 edev->attr_g_muex.attrs = edev->attrs_muex; in extcon_dev_register()
1220 if (edev->max_supported) { in extcon_dev_register()
1221 edev->extcon_dev_type.groups = in extcon_dev_register()
1222 kcalloc(edev->max_supported + 2, in extcon_dev_register()
1225 if (!edev->extcon_dev_type.groups) { in extcon_dev_register()
1230 edev->extcon_dev_type.name = dev_name(&edev->dev); in extcon_dev_register()
1231 edev->extcon_dev_type.release = dummy_sysfs_dev_release; in extcon_dev_register()
1233 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1234 edev->extcon_dev_type.groups[index] = in extcon_dev_register()
1235 &edev->cables[index].attr_g; in extcon_dev_register()
1236 if (edev->mutually_exclusive) in extcon_dev_register()
1237 edev->extcon_dev_type.groups[index] = in extcon_dev_register()
1238 &edev->attr_g_muex; in extcon_dev_register()
1240 edev->dev.type = &edev->extcon_dev_type; in extcon_dev_register()
1243 spin_lock_init(&edev->lock); in extcon_dev_register()
1244 if (edev->max_supported) { in extcon_dev_register()
1245 edev->nh = kcalloc(edev->max_supported, sizeof(*edev->nh), in extcon_dev_register()
1247 if (!edev->nh) { in extcon_dev_register()
1253 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1254 RAW_INIT_NOTIFIER_HEAD(&edev->nh[index]); in extcon_dev_register()
1256 RAW_INIT_NOTIFIER_HEAD(&edev->nh_all); in extcon_dev_register()
1258 dev_set_drvdata(&edev->dev, edev); in extcon_dev_register()
1259 edev->state = 0; in extcon_dev_register()
1261 ret = device_register(&edev->dev); in extcon_dev_register()
1263 put_device(&edev->dev); in extcon_dev_register()
1268 list_add(&edev->entry, &extcon_dev_list); in extcon_dev_register()
1274 if (edev->max_supported) in extcon_dev_register()
1275 kfree(edev->nh); in extcon_dev_register()
1277 if (edev->max_supported) in extcon_dev_register()
1278 kfree(edev->extcon_dev_type.groups); in extcon_dev_register()
1280 if (edev->max_supported && edev->mutually_exclusive) { in extcon_dev_register()
1281 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_dev_register()
1282 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_register()
1283 kfree(edev->d_attrs_muex); in extcon_dev_register()
1284 kfree(edev->attrs_muex); in extcon_dev_register()
1287 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1288 kfree(edev->cables[index].attr_g.name); in extcon_dev_register()
1290 if (edev->max_supported) in extcon_dev_register()
1291 kfree(edev->cables); in extcon_dev_register()
1304 void extcon_dev_unregister(struct extcon_dev *edev) in extcon_dev_unregister() argument
1308 if (!edev) in extcon_dev_unregister()
1312 list_del(&edev->entry); in extcon_dev_unregister()
1315 if (IS_ERR_OR_NULL(get_device(&edev->dev))) { in extcon_dev_unregister()
1316 dev_err(&edev->dev, "Failed to unregister extcon_dev (%s)\n", in extcon_dev_unregister()
1317 dev_name(&edev->dev)); in extcon_dev_unregister()
1321 device_unregister(&edev->dev); in extcon_dev_unregister()
1323 if (edev->mutually_exclusive && edev->max_supported) { in extcon_dev_unregister()
1324 for (index = 0; edev->mutually_exclusive[index]; in extcon_dev_unregister()
1326 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_unregister()
1327 kfree(edev->d_attrs_muex); in extcon_dev_unregister()
1328 kfree(edev->attrs_muex); in extcon_dev_unregister()
1331 for (index = 0; index < edev->max_supported; index++) in extcon_dev_unregister()
1332 kfree(edev->cables[index].attr_g.name); in extcon_dev_unregister()
1334 if (edev->max_supported) { in extcon_dev_unregister()
1335 kfree(edev->extcon_dev_type.groups); in extcon_dev_unregister()
1336 kfree(edev->cables); in extcon_dev_unregister()
1337 kfree(edev->nh); in extcon_dev_unregister()
1340 put_device(&edev->dev); in extcon_dev_unregister()
1354 struct extcon_dev *edev; in extcon_find_edev_by_node() local
1357 list_for_each_entry(edev, &extcon_dev_list, entry) in extcon_find_edev_by_node()
1358 if (edev->dev.parent && edev->dev.parent->of_node == node) in extcon_find_edev_by_node()
1360 edev = ERR_PTR(-EPROBE_DEFER); in extcon_find_edev_by_node()
1364 return edev; in extcon_find_edev_by_node()
1377 struct extcon_dev *edev; in extcon_get_edev_by_phandle() local
1394 edev = extcon_find_edev_by_node(node); in extcon_get_edev_by_phandle()
1397 return edev; in extcon_get_edev_by_phandle()
1421 const char *extcon_get_edev_name(struct extcon_dev *edev) in extcon_get_edev_name() argument
1423 return !edev ? NULL : edev->name; in extcon_get_edev_name()