Lines Matching refs:edev
216 struct extcon_dev *edev; member
241 static int check_mutually_exclusive(struct extcon_dev *edev, u32 new_state) in check_mutually_exclusive() argument
245 if (!edev->mutually_exclusive) in check_mutually_exclusive()
248 for (i = 0; edev->mutually_exclusive[i]; i++) { in check_mutually_exclusive()
250 u32 correspondants = new_state & edev->mutually_exclusive[i]; in check_mutually_exclusive()
261 static int find_cable_index_by_id(struct extcon_dev *edev, const unsigned int id) in find_cable_index_by_id() argument
266 for (i = 0; i < edev->max_supported; i++) { in find_cable_index_by_id()
267 if (edev->supported_cable[i] == id) in find_cable_index_by_id()
290 static bool is_extcon_attached(struct extcon_dev *edev, unsigned int index) in is_extcon_attached() argument
292 return !!(edev->state & BIT(index)); in is_extcon_attached()
295 static bool is_extcon_changed(struct extcon_dev *edev, int index, in is_extcon_changed() argument
298 int state = !!(edev->state & BIT(index)); in is_extcon_changed()
315 static int is_extcon_property_capability(struct extcon_dev *edev, in is_extcon_property_capability() argument
326 cable = &edev->cables[index]; in is_extcon_property_capability()
348 static void init_property(struct extcon_dev *edev, unsigned int id, int index) in init_property() argument
351 struct extcon_cable *cable = &edev->cables[index]; in init_property()
367 struct extcon_dev *edev = dev_get_drvdata(dev); in state_show() local
369 if (edev->max_supported == 0) in state_show()
370 return sprintf(buf, "%u\n", edev->state); in state_show()
372 for (i = 0; i < edev->max_supported; i++) { in state_show()
374 extcon_info[edev->supported_cable[i]].name, in state_show()
375 !!(edev->state & BIT(i))); in state_show()
385 struct extcon_dev *edev = dev_get_drvdata(dev); in name_show() local
387 return sprintf(buf, "%s\n", edev->name); in name_show()
399 extcon_info[cable->edev->supported_cable[i]].name); in cable_name_show()
411 extcon_get_state(cable->edev, cable->edev->supported_cable[i])); in cable_state_show()
423 int extcon_sync(struct extcon_dev *edev, unsigned int id) in extcon_sync() argument
435 if (!edev) in extcon_sync()
438 index = find_cable_index_by_id(edev, id); in extcon_sync()
442 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
443 state = !!(edev->state & BIT(index)); in extcon_sync()
444 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
450 raw_notifier_call_chain(&edev->nh[index], state, edev); in extcon_sync()
456 raw_notifier_call_chain(&edev->nh_all, state, edev); in extcon_sync()
458 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
463 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
465 dev_err(&edev->dev, "out of memory in extcon_set_state\n"); in extcon_sync()
466 kobject_uevent(&edev->dev.kobj, KOBJ_CHANGE); in extcon_sync()
471 length = name_show(&edev->dev, NULL, prop_buf); in extcon_sync()
479 length = state_show(&edev->dev, NULL, prop_buf); in extcon_sync()
489 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
490 kobject_uevent_env(&edev->dev.kobj, KOBJ_CHANGE, envp); in extcon_sync()
504 int extcon_get_state(struct extcon_dev *edev, const unsigned int id) in extcon_get_state() argument
509 if (!edev) in extcon_get_state()
512 index = find_cable_index_by_id(edev, id); in extcon_get_state()
516 spin_lock_irqsave(&edev->lock, flags); in extcon_get_state()
517 state = is_extcon_attached(edev, index); in extcon_get_state()
518 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_state()
537 int extcon_set_state(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state() argument
542 if (!edev) in extcon_set_state()
545 index = find_cable_index_by_id(edev, id); in extcon_set_state()
549 spin_lock_irqsave(&edev->lock, flags); in extcon_set_state()
552 if (!is_extcon_changed(edev, index, state)) in extcon_set_state()
555 if (check_mutually_exclusive(edev, in extcon_set_state()
556 (edev->state & ~BIT(index)) | (state & BIT(index)))) { in extcon_set_state()
566 init_property(edev, id, index); in extcon_set_state()
570 edev->state |= BIT(index); in extcon_set_state()
572 edev->state &= ~(BIT(index)); in extcon_set_state()
574 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_state()
592 int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state_sync() argument
597 index = find_cable_index_by_id(edev, id); in extcon_set_state_sync()
602 spin_lock_irqsave(&edev->lock, flags); in extcon_set_state_sync()
603 ret = is_extcon_changed(edev, index, state); in extcon_set_state_sync()
604 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_state_sync()
608 ret = extcon_set_state(edev, id, state); in extcon_set_state_sync()
612 return extcon_sync(edev, id); in extcon_set_state_sync()
630 int extcon_get_property(struct extcon_dev *edev, unsigned int id, in extcon_get_property() argument
640 if (!edev) in extcon_get_property()
648 index = find_cable_index_by_id(edev, id); in extcon_get_property()
652 spin_lock_irqsave(&edev->lock, flags); in extcon_get_property()
655 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_get_property()
656 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
665 if (!is_extcon_attached(edev, index)) { in extcon_get_property()
666 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
670 cable = &edev->cables[index]; in extcon_get_property()
691 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
709 int extcon_set_property(struct extcon_dev *edev, unsigned int id, in extcon_set_property() argument
717 if (!edev) in extcon_set_property()
725 index = find_cable_index_by_id(edev, id); in extcon_set_property()
729 spin_lock_irqsave(&edev->lock, flags); in extcon_set_property()
732 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_set_property()
733 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
737 cable = &edev->cables[index]; in extcon_set_property()
758 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
774 int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id, in extcon_set_property_sync() argument
780 ret = extcon_set_property(edev, id, prop, prop_val); in extcon_set_property_sync()
784 return extcon_sync(edev, id); in extcon_set_property_sync()
797 int extcon_get_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_get_property_capability() argument
802 if (!edev) in extcon_get_property_capability()
810 index = find_cable_index_by_id(edev, id); in extcon_get_property_capability()
814 return is_extcon_property_capability(edev, id, index, prop); in extcon_get_property_capability()
831 int extcon_set_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_set_property_capability() argument
837 if (!edev) in extcon_set_property_capability()
845 index = find_cable_index_by_id(edev, id); in extcon_set_property_capability()
853 cable = &edev->cables[index]; in extcon_set_property_capability()
914 int extcon_register_notifier(struct extcon_dev *edev, unsigned int id, in extcon_register_notifier() argument
920 if (!edev || !nb) in extcon_register_notifier()
923 idx = find_cable_index_by_id(edev, id); in extcon_register_notifier()
927 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier()
928 ret = raw_notifier_chain_register(&edev->nh[idx], nb); in extcon_register_notifier()
929 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier()
943 int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id, in extcon_unregister_notifier() argument
949 if (!edev || !nb) in extcon_unregister_notifier()
952 idx = find_cable_index_by_id(edev, id); in extcon_unregister_notifier()
956 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier()
957 ret = raw_notifier_chain_unregister(&edev->nh[idx], nb); in extcon_unregister_notifier()
958 spin_unlock_irqrestore(&edev->lock, flags); in extcon_unregister_notifier()
976 int extcon_register_notifier_all(struct extcon_dev *edev, in extcon_register_notifier_all() argument
982 if (!edev || !nb) in extcon_register_notifier_all()
985 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier_all()
986 ret = raw_notifier_chain_register(&edev->nh_all, nb); in extcon_register_notifier_all()
987 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier_all()
1000 int extcon_unregister_notifier_all(struct extcon_dev *edev, in extcon_unregister_notifier_all() argument
1006 if (!edev || !nb) in extcon_unregister_notifier_all()
1009 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier_all()
1010 ret = raw_notifier_chain_unregister(&edev->nh_all, nb); in extcon_unregister_notifier_all()
1011 spin_unlock_irqrestore(&edev->lock, flags); in extcon_unregister_notifier_all()
1058 struct extcon_dev *edev; in extcon_dev_allocate() local
1063 edev = kzalloc(sizeof(*edev), GFP_KERNEL); in extcon_dev_allocate()
1064 if (!edev) in extcon_dev_allocate()
1067 edev->max_supported = 0; in extcon_dev_allocate()
1068 edev->supported_cable = supported_cable; in extcon_dev_allocate()
1070 return edev; in extcon_dev_allocate()
1077 void extcon_dev_free(struct extcon_dev *edev) in extcon_dev_free() argument
1079 kfree(edev); in extcon_dev_free()
1097 int extcon_dev_register(struct extcon_dev *edev) in extcon_dev_register() argument
1108 if (!edev || !edev->supported_cable) in extcon_dev_register()
1111 for (; edev->supported_cable[index] != EXTCON_NONE; index++); in extcon_dev_register()
1113 edev->max_supported = index; in extcon_dev_register()
1115 dev_err(&edev->dev, in extcon_dev_register()
1120 edev->dev.class = extcon_class; in extcon_dev_register()
1121 edev->dev.release = extcon_dev_release; in extcon_dev_register()
1123 edev->name = dev_name(edev->dev.parent); in extcon_dev_register()
1124 if (IS_ERR_OR_NULL(edev->name)) { in extcon_dev_register()
1125 dev_err(&edev->dev, in extcon_dev_register()
1129 dev_set_name(&edev->dev, "extcon%lu", in extcon_dev_register()
1132 if (edev->max_supported) { in extcon_dev_register()
1136 edev->cables = kcalloc(edev->max_supported, in extcon_dev_register()
1139 if (!edev->cables) { in extcon_dev_register()
1143 for (index = 0; index < edev->max_supported; index++) { in extcon_dev_register()
1144 cable = &edev->cables[index]; in extcon_dev_register()
1149 cable = &edev->cables[index]; in extcon_dev_register()
1157 cable->edev = edev; in extcon_dev_register()
1177 if (edev->max_supported && edev->mutually_exclusive) { in extcon_dev_register()
1181 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_dev_register()
1184 edev->attrs_muex = kcalloc(index + 1, in extcon_dev_register()
1187 if (!edev->attrs_muex) { in extcon_dev_register()
1192 edev->d_attrs_muex = kcalloc(index, in extcon_dev_register()
1195 if (!edev->d_attrs_muex) { in extcon_dev_register()
1197 kfree(edev->attrs_muex); in extcon_dev_register()
1201 for (index = 0; edev->mutually_exclusive[index]; index++) { in extcon_dev_register()
1203 edev->mutually_exclusive[index]); in extcon_dev_register()
1206 kfree(edev->d_attrs_muex[index].attr. in extcon_dev_register()
1209 kfree(edev->d_attrs_muex); in extcon_dev_register()
1210 kfree(edev->attrs_muex); in extcon_dev_register()
1214 sysfs_attr_init(&edev->d_attrs_muex[index].attr); in extcon_dev_register()
1215 edev->d_attrs_muex[index].attr.name = name; in extcon_dev_register()
1216 edev->d_attrs_muex[index].attr.mode = 0000; in extcon_dev_register()
1217 edev->attrs_muex[index] = &edev->d_attrs_muex[index] in extcon_dev_register()
1220 edev->attr_g_muex.name = muex_name; in extcon_dev_register()
1221 edev->attr_g_muex.attrs = edev->attrs_muex; in extcon_dev_register()
1225 if (edev->max_supported) { in extcon_dev_register()
1226 edev->extcon_dev_type.groups = in extcon_dev_register()
1227 kcalloc(edev->max_supported + 2, in extcon_dev_register()
1230 if (!edev->extcon_dev_type.groups) { in extcon_dev_register()
1235 edev->extcon_dev_type.name = dev_name(&edev->dev); in extcon_dev_register()
1236 edev->extcon_dev_type.release = dummy_sysfs_dev_release; in extcon_dev_register()
1238 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1239 edev->extcon_dev_type.groups[index] = in extcon_dev_register()
1240 &edev->cables[index].attr_g; in extcon_dev_register()
1241 if (edev->mutually_exclusive) in extcon_dev_register()
1242 edev->extcon_dev_type.groups[index] = in extcon_dev_register()
1243 &edev->attr_g_muex; in extcon_dev_register()
1245 edev->dev.type = &edev->extcon_dev_type; in extcon_dev_register()
1248 spin_lock_init(&edev->lock); in extcon_dev_register()
1249 if (edev->max_supported) { in extcon_dev_register()
1250 edev->nh = kcalloc(edev->max_supported, sizeof(*edev->nh), in extcon_dev_register()
1252 if (!edev->nh) { in extcon_dev_register()
1258 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1259 RAW_INIT_NOTIFIER_HEAD(&edev->nh[index]); in extcon_dev_register()
1261 RAW_INIT_NOTIFIER_HEAD(&edev->nh_all); in extcon_dev_register()
1263 dev_set_drvdata(&edev->dev, edev); in extcon_dev_register()
1264 edev->state = 0; in extcon_dev_register()
1266 ret = device_register(&edev->dev); in extcon_dev_register()
1268 put_device(&edev->dev); in extcon_dev_register()
1273 list_add(&edev->entry, &extcon_dev_list); in extcon_dev_register()
1279 if (edev->max_supported) in extcon_dev_register()
1280 kfree(edev->nh); in extcon_dev_register()
1282 if (edev->max_supported) in extcon_dev_register()
1283 kfree(edev->extcon_dev_type.groups); in extcon_dev_register()
1285 if (edev->max_supported && edev->mutually_exclusive) { in extcon_dev_register()
1286 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_dev_register()
1287 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_register()
1288 kfree(edev->d_attrs_muex); in extcon_dev_register()
1289 kfree(edev->attrs_muex); in extcon_dev_register()
1292 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1293 kfree(edev->cables[index].attr_g.name); in extcon_dev_register()
1295 if (edev->max_supported) in extcon_dev_register()
1296 kfree(edev->cables); in extcon_dev_register()
1309 void extcon_dev_unregister(struct extcon_dev *edev) in extcon_dev_unregister() argument
1313 if (!edev) in extcon_dev_unregister()
1317 list_del(&edev->entry); in extcon_dev_unregister()
1320 if (IS_ERR_OR_NULL(get_device(&edev->dev))) { in extcon_dev_unregister()
1321 dev_err(&edev->dev, "Failed to unregister extcon_dev (%s)\n", in extcon_dev_unregister()
1322 dev_name(&edev->dev)); in extcon_dev_unregister()
1326 device_unregister(&edev->dev); in extcon_dev_unregister()
1328 if (edev->mutually_exclusive && edev->max_supported) { in extcon_dev_unregister()
1329 for (index = 0; edev->mutually_exclusive[index]; in extcon_dev_unregister()
1331 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_unregister()
1332 kfree(edev->d_attrs_muex); in extcon_dev_unregister()
1333 kfree(edev->attrs_muex); in extcon_dev_unregister()
1336 for (index = 0; index < edev->max_supported; index++) in extcon_dev_unregister()
1337 kfree(edev->cables[index].attr_g.name); in extcon_dev_unregister()
1339 if (edev->max_supported) { in extcon_dev_unregister()
1340 kfree(edev->extcon_dev_type.groups); in extcon_dev_unregister()
1341 kfree(edev->cables); in extcon_dev_unregister()
1342 kfree(edev->nh); in extcon_dev_unregister()
1345 put_device(&edev->dev); in extcon_dev_unregister()
1359 struct extcon_dev *edev; in extcon_find_edev_by_node() local
1362 list_for_each_entry(edev, &extcon_dev_list, entry) in extcon_find_edev_by_node()
1363 if (edev->dev.parent && edev->dev.parent->of_node == node) in extcon_find_edev_by_node()
1365 edev = ERR_PTR(-EPROBE_DEFER); in extcon_find_edev_by_node()
1369 return edev; in extcon_find_edev_by_node()
1382 struct extcon_dev *edev; in extcon_get_edev_by_phandle() local
1399 edev = extcon_find_edev_by_node(node); in extcon_get_edev_by_phandle()
1402 return edev; in extcon_get_edev_by_phandle()
1426 const char *extcon_get_edev_name(struct extcon_dev *edev) in extcon_get_edev_name() argument
1428 return !edev ? NULL : edev->name; in extcon_get_edev_name()