Lines Matching refs:edev
201 struct extcon_dev *edev; member
226 static int check_mutually_exclusive(struct extcon_dev *edev, u32 new_state) in check_mutually_exclusive() argument
230 if (!edev->mutually_exclusive) in check_mutually_exclusive()
233 for (i = 0; edev->mutually_exclusive[i]; i++) { in check_mutually_exclusive()
235 u32 correspondants = new_state & edev->mutually_exclusive[i]; in check_mutually_exclusive()
246 static int find_cable_index_by_id(struct extcon_dev *edev, const unsigned int id) in find_cable_index_by_id() argument
251 for (i = 0; i < edev->max_supported; i++) { in find_cable_index_by_id()
252 if (edev->supported_cable[i] == id) in find_cable_index_by_id()
275 static bool is_extcon_attached(struct extcon_dev *edev, unsigned int index) in is_extcon_attached() argument
277 return !!(edev->state & BIT(index)); in is_extcon_attached()
280 static bool is_extcon_changed(struct extcon_dev *edev, int index, in is_extcon_changed() argument
283 int state = !!(edev->state & BIT(index)); in is_extcon_changed()
300 static int is_extcon_property_capability(struct extcon_dev *edev, in is_extcon_property_capability() argument
311 cable = &edev->cables[index]; in is_extcon_property_capability()
333 static void init_property(struct extcon_dev *edev, unsigned int id, int index) in init_property() argument
336 struct extcon_cable *cable = &edev->cables[index]; in init_property()
352 struct extcon_dev *edev = dev_get_drvdata(dev); in state_show() local
354 if (edev->max_supported == 0) in state_show()
355 return sprintf(buf, "%u\n", edev->state); in state_show()
357 for (i = 0; i < edev->max_supported; i++) { in state_show()
359 extcon_info[edev->supported_cable[i]].name, in state_show()
360 !!(edev->state & BIT(i))); in state_show()
370 struct extcon_dev *edev = dev_get_drvdata(dev); in name_show() local
372 return sprintf(buf, "%s\n", edev->name); in name_show()
384 extcon_info[cable->edev->supported_cable[i]].name); in cable_name_show()
396 extcon_get_state(cable->edev, cable->edev->supported_cable[i])); in cable_state_show()
408 int extcon_sync(struct extcon_dev *edev, unsigned int id) in extcon_sync() argument
420 if (!edev) in extcon_sync()
423 index = find_cable_index_by_id(edev, id); in extcon_sync()
427 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
428 state = !!(edev->state & BIT(index)); in extcon_sync()
429 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
435 raw_notifier_call_chain(&edev->nh[index], state, edev); in extcon_sync()
441 raw_notifier_call_chain(&edev->nh_all, state, edev); in extcon_sync()
443 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
448 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
450 dev_err(&edev->dev, "out of memory in extcon_set_state\n"); in extcon_sync()
451 kobject_uevent(&edev->dev.kobj, KOBJ_CHANGE); in extcon_sync()
456 length = name_show(&edev->dev, NULL, prop_buf); in extcon_sync()
464 length = state_show(&edev->dev, NULL, prop_buf); in extcon_sync()
474 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
475 kobject_uevent_env(&edev->dev.kobj, KOBJ_CHANGE, envp); in extcon_sync()
489 int extcon_get_state(struct extcon_dev *edev, const unsigned int id) in extcon_get_state() argument
494 if (!edev) in extcon_get_state()
497 index = find_cable_index_by_id(edev, id); in extcon_get_state()
501 spin_lock_irqsave(&edev->lock, flags); in extcon_get_state()
502 state = is_extcon_attached(edev, index); in extcon_get_state()
503 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_state()
522 int extcon_set_state(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state() argument
527 if (!edev) in extcon_set_state()
530 index = find_cable_index_by_id(edev, id); in extcon_set_state()
534 spin_lock_irqsave(&edev->lock, flags); in extcon_set_state()
537 if (!is_extcon_changed(edev, index, state)) in extcon_set_state()
540 if (check_mutually_exclusive(edev, in extcon_set_state()
541 (edev->state & ~BIT(index)) | (state & BIT(index)))) { in extcon_set_state()
551 init_property(edev, id, index); in extcon_set_state()
555 edev->state |= BIT(index); in extcon_set_state()
557 edev->state &= ~(BIT(index)); in extcon_set_state()
559 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_state()
577 int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state_sync() argument
582 index = find_cable_index_by_id(edev, id); in extcon_set_state_sync()
587 spin_lock_irqsave(&edev->lock, flags); in extcon_set_state_sync()
588 ret = is_extcon_changed(edev, index, state); in extcon_set_state_sync()
589 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_state_sync()
593 ret = extcon_set_state(edev, id, state); in extcon_set_state_sync()
597 return extcon_sync(edev, id); in extcon_set_state_sync()
615 int extcon_get_property(struct extcon_dev *edev, unsigned int id, in extcon_get_property() argument
625 if (!edev) in extcon_get_property()
633 index = find_cable_index_by_id(edev, id); in extcon_get_property()
637 spin_lock_irqsave(&edev->lock, flags); in extcon_get_property()
640 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_get_property()
641 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
650 if (!is_extcon_attached(edev, index)) { in extcon_get_property()
651 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
655 cable = &edev->cables[index]; in extcon_get_property()
676 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
694 int extcon_set_property(struct extcon_dev *edev, unsigned int id, in extcon_set_property() argument
702 if (!edev) in extcon_set_property()
710 index = find_cable_index_by_id(edev, id); in extcon_set_property()
714 spin_lock_irqsave(&edev->lock, flags); in extcon_set_property()
717 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_set_property()
718 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
722 cable = &edev->cables[index]; in extcon_set_property()
743 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
759 int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id, in extcon_set_property_sync() argument
765 ret = extcon_set_property(edev, id, prop, prop_val); in extcon_set_property_sync()
769 return extcon_sync(edev, id); in extcon_set_property_sync()
782 int extcon_get_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_get_property_capability() argument
787 if (!edev) in extcon_get_property_capability()
795 index = find_cable_index_by_id(edev, id); in extcon_get_property_capability()
799 return is_extcon_property_capability(edev, id, index, prop); in extcon_get_property_capability()
816 int extcon_set_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_set_property_capability() argument
822 if (!edev) in extcon_set_property_capability()
830 index = find_cable_index_by_id(edev, id); in extcon_set_property_capability()
838 cable = &edev->cables[index]; in extcon_set_property_capability()
899 int extcon_register_notifier(struct extcon_dev *edev, unsigned int id, in extcon_register_notifier() argument
905 if (!edev || !nb) in extcon_register_notifier()
908 idx = find_cable_index_by_id(edev, id); in extcon_register_notifier()
912 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier()
913 ret = raw_notifier_chain_register(&edev->nh[idx], nb); in extcon_register_notifier()
914 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier()
928 int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id, in extcon_unregister_notifier() argument
934 if (!edev || !nb) in extcon_unregister_notifier()
937 idx = find_cable_index_by_id(edev, id); in extcon_unregister_notifier()
941 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier()
942 ret = raw_notifier_chain_unregister(&edev->nh[idx], nb); in extcon_unregister_notifier()
943 spin_unlock_irqrestore(&edev->lock, flags); in extcon_unregister_notifier()
961 int extcon_register_notifier_all(struct extcon_dev *edev, in extcon_register_notifier_all() argument
967 if (!edev || !nb) in extcon_register_notifier_all()
970 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier_all()
971 ret = raw_notifier_chain_register(&edev->nh_all, nb); in extcon_register_notifier_all()
972 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier_all()
985 int extcon_unregister_notifier_all(struct extcon_dev *edev, in extcon_unregister_notifier_all() argument
991 if (!edev || !nb) in extcon_unregister_notifier_all()
994 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier_all()
995 ret = raw_notifier_chain_unregister(&edev->nh_all, nb); in extcon_unregister_notifier_all()
996 spin_unlock_irqrestore(&edev->lock, flags); in extcon_unregister_notifier_all()
1043 struct extcon_dev *edev; in extcon_dev_allocate() local
1048 edev = kzalloc(sizeof(*edev), GFP_KERNEL); in extcon_dev_allocate()
1049 if (!edev) in extcon_dev_allocate()
1052 edev->max_supported = 0; in extcon_dev_allocate()
1053 edev->supported_cable = supported_cable; in extcon_dev_allocate()
1055 return edev; in extcon_dev_allocate()
1062 void extcon_dev_free(struct extcon_dev *edev) in extcon_dev_free() argument
1064 kfree(edev); in extcon_dev_free()
1082 int extcon_dev_register(struct extcon_dev *edev) in extcon_dev_register() argument
1093 if (!edev || !edev->supported_cable) in extcon_dev_register()
1096 for (; edev->supported_cable[index] != EXTCON_NONE; index++); in extcon_dev_register()
1098 edev->max_supported = index; in extcon_dev_register()
1100 dev_err(&edev->dev, in extcon_dev_register()
1105 edev->dev.class = extcon_class; in extcon_dev_register()
1106 edev->dev.release = extcon_dev_release; in extcon_dev_register()
1108 edev->name = dev_name(edev->dev.parent); in extcon_dev_register()
1109 if (IS_ERR_OR_NULL(edev->name)) { in extcon_dev_register()
1110 dev_err(&edev->dev, in extcon_dev_register()
1114 dev_set_name(&edev->dev, "extcon%lu", in extcon_dev_register()
1117 if (edev->max_supported) { in extcon_dev_register()
1121 edev->cables = kcalloc(edev->max_supported, in extcon_dev_register()
1124 if (!edev->cables) { in extcon_dev_register()
1128 for (index = 0; index < edev->max_supported; index++) { in extcon_dev_register()
1129 cable = &edev->cables[index]; in extcon_dev_register()
1134 cable = &edev->cables[index]; in extcon_dev_register()
1142 cable->edev = edev; in extcon_dev_register()
1162 if (edev->max_supported && edev->mutually_exclusive) { in extcon_dev_register()
1166 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_dev_register()
1169 edev->attrs_muex = kcalloc(index + 1, in extcon_dev_register()
1172 if (!edev->attrs_muex) { in extcon_dev_register()
1177 edev->d_attrs_muex = kcalloc(index, in extcon_dev_register()
1180 if (!edev->d_attrs_muex) { in extcon_dev_register()
1182 kfree(edev->attrs_muex); in extcon_dev_register()
1186 for (index = 0; edev->mutually_exclusive[index]; index++) { in extcon_dev_register()
1188 edev->mutually_exclusive[index]); in extcon_dev_register()
1191 kfree(edev->d_attrs_muex[index].attr. in extcon_dev_register()
1194 kfree(edev->d_attrs_muex); in extcon_dev_register()
1195 kfree(edev->attrs_muex); in extcon_dev_register()
1199 sysfs_attr_init(&edev->d_attrs_muex[index].attr); in extcon_dev_register()
1200 edev->d_attrs_muex[index].attr.name = name; in extcon_dev_register()
1201 edev->d_attrs_muex[index].attr.mode = 0000; in extcon_dev_register()
1202 edev->attrs_muex[index] = &edev->d_attrs_muex[index] in extcon_dev_register()
1205 edev->attr_g_muex.name = muex_name; in extcon_dev_register()
1206 edev->attr_g_muex.attrs = edev->attrs_muex; in extcon_dev_register()
1210 if (edev->max_supported) { in extcon_dev_register()
1211 edev->extcon_dev_type.groups = in extcon_dev_register()
1212 kcalloc(edev->max_supported + 2, in extcon_dev_register()
1215 if (!edev->extcon_dev_type.groups) { in extcon_dev_register()
1220 edev->extcon_dev_type.name = dev_name(&edev->dev); in extcon_dev_register()
1221 edev->extcon_dev_type.release = dummy_sysfs_dev_release; in extcon_dev_register()
1223 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1224 edev->extcon_dev_type.groups[index] = in extcon_dev_register()
1225 &edev->cables[index].attr_g; in extcon_dev_register()
1226 if (edev->mutually_exclusive) in extcon_dev_register()
1227 edev->extcon_dev_type.groups[index] = in extcon_dev_register()
1228 &edev->attr_g_muex; in extcon_dev_register()
1230 edev->dev.type = &edev->extcon_dev_type; in extcon_dev_register()
1233 ret = device_register(&edev->dev); in extcon_dev_register()
1235 put_device(&edev->dev); in extcon_dev_register()
1239 spin_lock_init(&edev->lock); in extcon_dev_register()
1240 edev->nh = devm_kcalloc(&edev->dev, edev->max_supported, in extcon_dev_register()
1241 sizeof(*edev->nh), GFP_KERNEL); in extcon_dev_register()
1242 if (!edev->nh) { in extcon_dev_register()
1244 device_unregister(&edev->dev); in extcon_dev_register()
1248 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1249 RAW_INIT_NOTIFIER_HEAD(&edev->nh[index]); in extcon_dev_register()
1251 RAW_INIT_NOTIFIER_HEAD(&edev->nh_all); in extcon_dev_register()
1253 dev_set_drvdata(&edev->dev, edev); in extcon_dev_register()
1254 edev->state = 0; in extcon_dev_register()
1257 list_add(&edev->entry, &extcon_dev_list); in extcon_dev_register()
1263 if (edev->max_supported) in extcon_dev_register()
1264 kfree(edev->extcon_dev_type.groups); in extcon_dev_register()
1266 if (edev->max_supported && edev->mutually_exclusive) { in extcon_dev_register()
1267 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_dev_register()
1268 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_register()
1269 kfree(edev->d_attrs_muex); in extcon_dev_register()
1270 kfree(edev->attrs_muex); in extcon_dev_register()
1273 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1274 kfree(edev->cables[index].attr_g.name); in extcon_dev_register()
1276 if (edev->max_supported) in extcon_dev_register()
1277 kfree(edev->cables); in extcon_dev_register()
1290 void extcon_dev_unregister(struct extcon_dev *edev) in extcon_dev_unregister() argument
1294 if (!edev) in extcon_dev_unregister()
1298 list_del(&edev->entry); in extcon_dev_unregister()
1301 if (IS_ERR_OR_NULL(get_device(&edev->dev))) { in extcon_dev_unregister()
1302 dev_err(&edev->dev, "Failed to unregister extcon_dev (%s)\n", in extcon_dev_unregister()
1303 dev_name(&edev->dev)); in extcon_dev_unregister()
1307 device_unregister(&edev->dev); in extcon_dev_unregister()
1309 if (edev->mutually_exclusive && edev->max_supported) { in extcon_dev_unregister()
1310 for (index = 0; edev->mutually_exclusive[index]; in extcon_dev_unregister()
1312 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_unregister()
1313 kfree(edev->d_attrs_muex); in extcon_dev_unregister()
1314 kfree(edev->attrs_muex); in extcon_dev_unregister()
1317 for (index = 0; index < edev->max_supported; index++) in extcon_dev_unregister()
1318 kfree(edev->cables[index].attr_g.name); in extcon_dev_unregister()
1320 if (edev->max_supported) { in extcon_dev_unregister()
1321 kfree(edev->extcon_dev_type.groups); in extcon_dev_unregister()
1322 kfree(edev->cables); in extcon_dev_unregister()
1325 put_device(&edev->dev); in extcon_dev_unregister()
1339 struct extcon_dev *edev; in extcon_find_edev_by_node() local
1342 list_for_each_entry(edev, &extcon_dev_list, entry) in extcon_find_edev_by_node()
1343 if (edev->dev.parent && edev->dev.parent->of_node == node) in extcon_find_edev_by_node()
1345 edev = ERR_PTR(-EPROBE_DEFER); in extcon_find_edev_by_node()
1349 return edev; in extcon_find_edev_by_node()
1362 struct extcon_dev *edev; in extcon_get_edev_by_phandle() local
1379 edev = extcon_find_edev_by_node(node); in extcon_get_edev_by_phandle()
1382 return edev; in extcon_get_edev_by_phandle()
1406 const char *extcon_get_edev_name(struct extcon_dev *edev) in extcon_get_edev_name() argument
1408 return !edev ? NULL : edev->name; in extcon_get_edev_name()