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()
419 int extcon_sync(struct extcon_dev *edev, unsigned int id) in extcon_sync() argument
431 if (!edev) in extcon_sync()
434 index = find_cable_index_by_id(edev, id); in extcon_sync()
438 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
439 state = !!(edev->state & BIT(index)); in extcon_sync()
440 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
446 raw_notifier_call_chain(&edev->nh[index], state, edev); in extcon_sync()
452 raw_notifier_call_chain(&edev->nh_all, state, edev); in extcon_sync()
454 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
459 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
461 dev_err(&edev->dev, "out of memory in extcon_set_state\n"); in extcon_sync()
462 kobject_uevent(&edev->dev.kobj, KOBJ_CHANGE); in extcon_sync()
467 length = name_show(&edev->dev, NULL, prop_buf); in extcon_sync()
475 length = state_show(&edev->dev, NULL, prop_buf); in extcon_sync()
485 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
486 kobject_uevent_env(&edev->dev.kobj, KOBJ_CHANGE, envp); in extcon_sync()
500 int extcon_get_state(struct extcon_dev *edev, const unsigned int id) in extcon_get_state() argument
505 if (!edev) in extcon_get_state()
508 index = find_cable_index_by_id(edev, id); in extcon_get_state()
512 spin_lock_irqsave(&edev->lock, flags); in extcon_get_state()
513 state = is_extcon_attached(edev, index); in extcon_get_state()
514 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_state()
533 int extcon_set_state(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state() argument
538 if (!edev) in extcon_set_state()
541 index = find_cable_index_by_id(edev, id); in extcon_set_state()
545 spin_lock_irqsave(&edev->lock, flags); in extcon_set_state()
548 if (!is_extcon_changed(edev, index, state)) in extcon_set_state()
551 if (check_mutually_exclusive(edev, in extcon_set_state()
552 (edev->state & ~BIT(index)) | (state & BIT(index)))) { in extcon_set_state()
562 init_property(edev, id, index); in extcon_set_state()
566 edev->state |= BIT(index); in extcon_set_state()
568 edev->state &= ~(BIT(index)); in extcon_set_state()
570 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_state()
588 int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state_sync() argument
592 ret = extcon_set_state(edev, id, state); in extcon_set_state_sync()
596 return extcon_sync(edev, id); in extcon_set_state_sync()
614 int extcon_get_property(struct extcon_dev *edev, unsigned int id, in extcon_get_property() argument
624 if (!edev) in extcon_get_property()
632 index = find_cable_index_by_id(edev, id); in extcon_get_property()
636 spin_lock_irqsave(&edev->lock, flags); in extcon_get_property()
639 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_get_property()
640 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
649 if (!is_extcon_attached(edev, index)) { in extcon_get_property()
650 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
654 cable = &edev->cables[index]; in extcon_get_property()
675 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
693 int extcon_set_property(struct extcon_dev *edev, unsigned int id, in extcon_set_property() argument
701 if (!edev) in extcon_set_property()
709 index = find_cable_index_by_id(edev, id); in extcon_set_property()
713 spin_lock_irqsave(&edev->lock, flags); in extcon_set_property()
716 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_set_property()
717 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
721 cable = &edev->cables[index]; in extcon_set_property()
742 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
761 int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id, in extcon_set_property_sync() argument
767 ret = extcon_set_property(edev, id, prop, prop_val); in extcon_set_property_sync()
771 return extcon_sync(edev, id); in extcon_set_property_sync()
784 int extcon_get_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_get_property_capability() argument
789 if (!edev) in extcon_get_property_capability()
797 index = find_cable_index_by_id(edev, id); in extcon_get_property_capability()
801 return is_extcon_property_capability(edev, id, index, prop); in extcon_get_property_capability()
818 int extcon_set_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_set_property_capability() argument
824 if (!edev) in extcon_set_property_capability()
832 index = find_cable_index_by_id(edev, id); in extcon_set_property_capability()
840 cable = &edev->cables[index]; in extcon_set_property_capability()
903 int extcon_register_notifier(struct extcon_dev *edev, unsigned int id, in extcon_register_notifier() argument
909 if (!edev || !nb) in extcon_register_notifier()
912 idx = find_cable_index_by_id(edev, id); in extcon_register_notifier()
916 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier()
917 ret = raw_notifier_chain_register(&edev->nh[idx], nb); in extcon_register_notifier()
918 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier()
932 int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id, in extcon_unregister_notifier() argument
938 if (!edev || !nb) in extcon_unregister_notifier()
941 idx = find_cable_index_by_id(edev, id); in extcon_unregister_notifier()
945 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier()
946 ret = raw_notifier_chain_unregister(&edev->nh[idx], nb); in extcon_unregister_notifier()
947 spin_unlock_irqrestore(&edev->lock, flags); in extcon_unregister_notifier()
965 int extcon_register_notifier_all(struct extcon_dev *edev, in extcon_register_notifier_all() argument
971 if (!edev || !nb) in extcon_register_notifier_all()
974 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier_all()
975 ret = raw_notifier_chain_register(&edev->nh_all, nb); in extcon_register_notifier_all()
976 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier_all()
989 int extcon_unregister_notifier_all(struct extcon_dev *edev, in extcon_unregister_notifier_all() argument
995 if (!edev || !nb) in extcon_unregister_notifier_all()
998 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier_all()
999 ret = raw_notifier_chain_unregister(&edev->nh_all, nb); in extcon_unregister_notifier_all()
1000 spin_unlock_irqrestore(&edev->lock, flags); in extcon_unregister_notifier_all()
1047 struct extcon_dev *edev; in extcon_dev_allocate() local
1052 edev = kzalloc(sizeof(*edev), GFP_KERNEL); in extcon_dev_allocate()
1053 if (!edev) in extcon_dev_allocate()
1056 edev->max_supported = 0; in extcon_dev_allocate()
1057 edev->supported_cable = supported_cable; in extcon_dev_allocate()
1059 return edev; in extcon_dev_allocate()
1066 void extcon_dev_free(struct extcon_dev *edev) in extcon_dev_free() argument
1068 kfree(edev); in extcon_dev_free()
1086 int extcon_dev_register(struct extcon_dev *edev) in extcon_dev_register() argument
1097 if (!edev || !edev->supported_cable) in extcon_dev_register()
1100 for (; edev->supported_cable[index] != EXTCON_NONE; index++); in extcon_dev_register()
1102 edev->max_supported = index; in extcon_dev_register()
1104 dev_err(&edev->dev, in extcon_dev_register()
1109 edev->dev.class = extcon_class; in extcon_dev_register()
1110 edev->dev.release = extcon_dev_release; in extcon_dev_register()
1112 edev->name = dev_name(edev->dev.parent); in extcon_dev_register()
1113 if (IS_ERR_OR_NULL(edev->name)) { in extcon_dev_register()
1114 dev_err(&edev->dev, in extcon_dev_register()
1118 dev_set_name(&edev->dev, "extcon%lu", in extcon_dev_register()
1121 if (edev->max_supported) { in extcon_dev_register()
1125 edev->cables = kcalloc(edev->max_supported, in extcon_dev_register()
1128 if (!edev->cables) { in extcon_dev_register()
1132 for (index = 0; index < edev->max_supported; index++) { in extcon_dev_register()
1133 cable = &edev->cables[index]; in extcon_dev_register()
1138 cable = &edev->cables[index]; in extcon_dev_register()
1146 cable->edev = edev; in extcon_dev_register()
1166 if (edev->max_supported && edev->mutually_exclusive) { in extcon_dev_register()
1170 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_dev_register()
1173 edev->attrs_muex = kcalloc(index + 1, in extcon_dev_register()
1176 if (!edev->attrs_muex) { in extcon_dev_register()
1181 edev->d_attrs_muex = kcalloc(index, in extcon_dev_register()
1184 if (!edev->d_attrs_muex) { in extcon_dev_register()
1186 kfree(edev->attrs_muex); in extcon_dev_register()
1190 for (index = 0; edev->mutually_exclusive[index]; index++) { in extcon_dev_register()
1192 edev->mutually_exclusive[index]); in extcon_dev_register()
1195 kfree(edev->d_attrs_muex[index].attr. in extcon_dev_register()
1198 kfree(edev->d_attrs_muex); in extcon_dev_register()
1199 kfree(edev->attrs_muex); in extcon_dev_register()
1203 sysfs_attr_init(&edev->d_attrs_muex[index].attr); in extcon_dev_register()
1204 edev->d_attrs_muex[index].attr.name = name; in extcon_dev_register()
1205 edev->d_attrs_muex[index].attr.mode = 0000; in extcon_dev_register()
1206 edev->attrs_muex[index] = &edev->d_attrs_muex[index] in extcon_dev_register()
1209 edev->attr_g_muex.name = muex_name; in extcon_dev_register()
1210 edev->attr_g_muex.attrs = edev->attrs_muex; in extcon_dev_register()
1214 if (edev->max_supported) { in extcon_dev_register()
1215 edev->extcon_dev_type.groups = in extcon_dev_register()
1216 kcalloc(edev->max_supported + 2, in extcon_dev_register()
1219 if (!edev->extcon_dev_type.groups) { in extcon_dev_register()
1224 edev->extcon_dev_type.name = dev_name(&edev->dev); in extcon_dev_register()
1225 edev->extcon_dev_type.release = dummy_sysfs_dev_release; in extcon_dev_register()
1227 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1228 edev->extcon_dev_type.groups[index] = in extcon_dev_register()
1229 &edev->cables[index].attr_g; in extcon_dev_register()
1230 if (edev->mutually_exclusive) in extcon_dev_register()
1231 edev->extcon_dev_type.groups[index] = in extcon_dev_register()
1232 &edev->attr_g_muex; in extcon_dev_register()
1234 edev->dev.type = &edev->extcon_dev_type; in extcon_dev_register()
1237 spin_lock_init(&edev->lock); in extcon_dev_register()
1238 if (edev->max_supported) { in extcon_dev_register()
1239 edev->nh = kcalloc(edev->max_supported, sizeof(*edev->nh), in extcon_dev_register()
1241 if (!edev->nh) { in extcon_dev_register()
1247 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1248 RAW_INIT_NOTIFIER_HEAD(&edev->nh[index]); in extcon_dev_register()
1250 RAW_INIT_NOTIFIER_HEAD(&edev->nh_all); in extcon_dev_register()
1252 dev_set_drvdata(&edev->dev, edev); in extcon_dev_register()
1253 edev->state = 0; in extcon_dev_register()
1255 ret = device_register(&edev->dev); in extcon_dev_register()
1257 put_device(&edev->dev); in extcon_dev_register()
1262 list_add(&edev->entry, &extcon_dev_list); in extcon_dev_register()
1268 if (edev->max_supported) in extcon_dev_register()
1269 kfree(edev->nh); in extcon_dev_register()
1271 if (edev->max_supported) in extcon_dev_register()
1272 kfree(edev->extcon_dev_type.groups); in extcon_dev_register()
1274 if (edev->max_supported && edev->mutually_exclusive) { in extcon_dev_register()
1275 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_dev_register()
1276 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_register()
1277 kfree(edev->d_attrs_muex); in extcon_dev_register()
1278 kfree(edev->attrs_muex); in extcon_dev_register()
1281 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1282 kfree(edev->cables[index].attr_g.name); in extcon_dev_register()
1284 if (edev->max_supported) in extcon_dev_register()
1285 kfree(edev->cables); in extcon_dev_register()
1298 void extcon_dev_unregister(struct extcon_dev *edev) in extcon_dev_unregister() argument
1302 if (!edev) in extcon_dev_unregister()
1306 list_del(&edev->entry); in extcon_dev_unregister()
1309 if (IS_ERR_OR_NULL(get_device(&edev->dev))) { in extcon_dev_unregister()
1310 dev_err(&edev->dev, "Failed to unregister extcon_dev (%s)\n", in extcon_dev_unregister()
1311 dev_name(&edev->dev)); in extcon_dev_unregister()
1315 device_unregister(&edev->dev); in extcon_dev_unregister()
1317 if (edev->mutually_exclusive && edev->max_supported) { in extcon_dev_unregister()
1318 for (index = 0; edev->mutually_exclusive[index]; in extcon_dev_unregister()
1320 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_unregister()
1321 kfree(edev->d_attrs_muex); in extcon_dev_unregister()
1322 kfree(edev->attrs_muex); in extcon_dev_unregister()
1325 for (index = 0; index < edev->max_supported; index++) in extcon_dev_unregister()
1326 kfree(edev->cables[index].attr_g.name); in extcon_dev_unregister()
1328 if (edev->max_supported) { in extcon_dev_unregister()
1329 kfree(edev->extcon_dev_type.groups); in extcon_dev_unregister()
1330 kfree(edev->cables); in extcon_dev_unregister()
1331 kfree(edev->nh); in extcon_dev_unregister()
1334 put_device(&edev->dev); in extcon_dev_unregister()
1348 struct extcon_dev *edev; in extcon_find_edev_by_node() local
1351 list_for_each_entry(edev, &extcon_dev_list, entry) in extcon_find_edev_by_node()
1352 if (edev->dev.parent && edev->dev.parent->of_node == node) in extcon_find_edev_by_node()
1354 edev = ERR_PTR(-EPROBE_DEFER); in extcon_find_edev_by_node()
1358 return edev; in extcon_find_edev_by_node()
1371 struct extcon_dev *edev; in extcon_get_edev_by_phandle() local
1388 edev = extcon_find_edev_by_node(node); in extcon_get_edev_by_phandle()
1391 return edev; in extcon_get_edev_by_phandle()
1415 const char *extcon_get_edev_name(struct extcon_dev *edev) in extcon_get_edev_name() argument
1417 return !edev ? NULL : edev->name; in extcon_get_edev_name()