Lines Matching refs:edev
220 struct extcon_dev *edev; member
246 static int check_mutually_exclusive(struct extcon_dev *edev, u32 new_state) in check_mutually_exclusive() argument
250 if (!edev->mutually_exclusive) in check_mutually_exclusive()
253 for (i = 0; edev->mutually_exclusive[i]; i++) { in check_mutually_exclusive()
255 u32 correspondants = new_state & edev->mutually_exclusive[i]; in check_mutually_exclusive()
266 static int find_cable_index_by_id(struct extcon_dev *edev, const unsigned int id) in find_cable_index_by_id() argument
271 for (i = 0; i < edev->max_supported; i++) { in find_cable_index_by_id()
272 if (edev->supported_cable[i] == id) in find_cable_index_by_id()
295 static bool is_extcon_attached(struct extcon_dev *edev, unsigned int index) in is_extcon_attached() argument
297 return !!(edev->state & BIT(index)); in is_extcon_attached()
300 static bool is_extcon_changed(struct extcon_dev *edev, int index, in is_extcon_changed() argument
303 int state = !!(edev->state & BIT(index)); in is_extcon_changed()
320 static int is_extcon_property_capability(struct extcon_dev *edev, in is_extcon_property_capability() argument
331 cable = &edev->cables[index]; in is_extcon_property_capability()
353 static void init_property(struct extcon_dev *edev, unsigned int id, int index) in init_property() argument
356 struct extcon_cable *cable = &edev->cables[index]; in init_property()
372 struct extcon_dev *edev = dev_get_drvdata(dev); in state_show() local
374 if (edev->max_supported == 0) in state_show()
375 return sysfs_emit(buf, "%u\n", edev->state); in state_show()
377 for (i = 0; i < edev->max_supported; i++) { in state_show()
379 extcon_info[edev->supported_cable[i]].name, in state_show()
380 !!(edev->state & BIT(i))); in state_show()
390 struct extcon_dev *edev = dev_get_drvdata(dev); in name_show() local
392 return sysfs_emit(buf, "%s\n", edev->name); in name_show()
404 extcon_info[cable->edev->supported_cable[i]].name); in cable_name_show()
416 extcon_get_state(cable->edev, cable->edev->supported_cable[i])); in cable_state_show()
429 int extcon_sync(struct extcon_dev *edev, unsigned int id) in extcon_sync() argument
441 if (!edev) in extcon_sync()
444 index = find_cable_index_by_id(edev, id); in extcon_sync()
448 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
449 state = !!(edev->state & BIT(index)); in extcon_sync()
450 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
456 raw_notifier_call_chain(&edev->nh[index], state, edev); in extcon_sync()
462 raw_notifier_call_chain(&edev->nh_all, state, edev); in extcon_sync()
464 spin_lock_irqsave(&edev->lock, flags); in extcon_sync()
469 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
471 dev_err(&edev->dev, "out of memory in extcon_set_state\n"); in extcon_sync()
472 kobject_uevent(&edev->dev.kobj, KOBJ_CHANGE); in extcon_sync()
477 length = name_show(&edev->dev, NULL, prop_buf); in extcon_sync()
485 length = state_show(&edev->dev, NULL, prop_buf); in extcon_sync()
495 spin_unlock_irqrestore(&edev->lock, flags); in extcon_sync()
496 kobject_uevent_env(&edev->dev.kobj, KOBJ_CHANGE, envp); in extcon_sync()
510 int extcon_get_state(struct extcon_dev *edev, const unsigned int id) in extcon_get_state() argument
515 if (!edev) in extcon_get_state()
518 index = find_cable_index_by_id(edev, id); in extcon_get_state()
522 spin_lock_irqsave(&edev->lock, flags); in extcon_get_state()
523 state = is_extcon_attached(edev, index); in extcon_get_state()
524 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_state()
543 int extcon_set_state(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state() argument
548 if (!edev) in extcon_set_state()
551 index = find_cable_index_by_id(edev, id); in extcon_set_state()
555 spin_lock_irqsave(&edev->lock, flags); in extcon_set_state()
558 if (!is_extcon_changed(edev, index, state)) in extcon_set_state()
561 if (check_mutually_exclusive(edev, in extcon_set_state()
562 (edev->state & ~BIT(index)) | (state & BIT(index)))) { in extcon_set_state()
572 init_property(edev, id, index); in extcon_set_state()
576 edev->state |= BIT(index); in extcon_set_state()
578 edev->state &= ~(BIT(index)); in extcon_set_state()
580 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_state()
598 int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id, bool state) in extcon_set_state_sync() argument
602 ret = extcon_set_state(edev, id, state); in extcon_set_state_sync()
606 return extcon_sync(edev, id); in extcon_set_state_sync()
624 int extcon_get_property(struct extcon_dev *edev, unsigned int id, in extcon_get_property() argument
634 if (!edev) in extcon_get_property()
642 index = find_cable_index_by_id(edev, id); in extcon_get_property()
646 spin_lock_irqsave(&edev->lock, flags); in extcon_get_property()
649 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_get_property()
650 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
659 if (!is_extcon_attached(edev, index)) { in extcon_get_property()
660 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
664 cable = &edev->cables[index]; in extcon_get_property()
685 spin_unlock_irqrestore(&edev->lock, flags); in extcon_get_property()
703 int extcon_set_property(struct extcon_dev *edev, unsigned int id, in extcon_set_property() argument
711 if (!edev) in extcon_set_property()
719 index = find_cable_index_by_id(edev, id); in extcon_set_property()
723 spin_lock_irqsave(&edev->lock, flags); in extcon_set_property()
726 if (!is_extcon_property_capability(edev, id, index, prop)) { in extcon_set_property()
727 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
731 cable = &edev->cables[index]; in extcon_set_property()
752 spin_unlock_irqrestore(&edev->lock, flags); in extcon_set_property()
771 int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id, in extcon_set_property_sync() argument
777 ret = extcon_set_property(edev, id, prop, prop_val); in extcon_set_property_sync()
781 return extcon_sync(edev, id); in extcon_set_property_sync()
794 int extcon_get_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_get_property_capability() argument
799 if (!edev) in extcon_get_property_capability()
807 index = find_cable_index_by_id(edev, id); in extcon_get_property_capability()
811 return is_extcon_property_capability(edev, id, index, prop); in extcon_get_property_capability()
828 int extcon_set_property_capability(struct extcon_dev *edev, unsigned int id, in extcon_set_property_capability() argument
834 if (!edev) in extcon_set_property_capability()
842 index = find_cable_index_by_id(edev, id); in extcon_set_property_capability()
850 cable = &edev->cables[index]; in extcon_set_property_capability()
913 int extcon_register_notifier(struct extcon_dev *edev, unsigned int id, in extcon_register_notifier() argument
919 if (!edev || !nb) in extcon_register_notifier()
922 idx = find_cable_index_by_id(edev, id); in extcon_register_notifier()
926 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier()
927 ret = raw_notifier_chain_register(&edev->nh[idx], nb); in extcon_register_notifier()
928 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier()
942 int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id, in extcon_unregister_notifier() argument
948 if (!edev || !nb) in extcon_unregister_notifier()
951 idx = find_cable_index_by_id(edev, id); in extcon_unregister_notifier()
955 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier()
956 ret = raw_notifier_chain_unregister(&edev->nh[idx], nb); in extcon_unregister_notifier()
957 spin_unlock_irqrestore(&edev->lock, flags); in extcon_unregister_notifier()
975 int extcon_register_notifier_all(struct extcon_dev *edev, in extcon_register_notifier_all() argument
981 if (!edev || !nb) in extcon_register_notifier_all()
984 spin_lock_irqsave(&edev->lock, flags); in extcon_register_notifier_all()
985 ret = raw_notifier_chain_register(&edev->nh_all, nb); in extcon_register_notifier_all()
986 spin_unlock_irqrestore(&edev->lock, flags); in extcon_register_notifier_all()
999 int extcon_unregister_notifier_all(struct extcon_dev *edev, in extcon_unregister_notifier_all() argument
1005 if (!edev || !nb) in extcon_unregister_notifier_all()
1008 spin_lock_irqsave(&edev->lock, flags); in extcon_unregister_notifier_all()
1009 ret = raw_notifier_chain_unregister(&edev->nh_all, nb); in extcon_unregister_notifier_all()
1010 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()
1089 static int extcon_alloc_cables(struct extcon_dev *edev) in extcon_alloc_cables() argument
1095 if (!edev) in extcon_alloc_cables()
1098 if (!edev->max_supported) in extcon_alloc_cables()
1101 edev->cables = kcalloc(edev->max_supported, sizeof(*edev->cables), in extcon_alloc_cables()
1103 if (!edev->cables) in extcon_alloc_cables()
1106 for (index = 0; index < edev->max_supported; index++) { in extcon_alloc_cables()
1107 cable = &edev->cables[index]; in extcon_alloc_cables()
1112 cable = &edev->cables[index]; in extcon_alloc_cables()
1116 kfree(edev->cables); in extcon_alloc_cables()
1120 cable->edev = edev; in extcon_alloc_cables()
1148 static int extcon_alloc_muex(struct extcon_dev *edev) in extcon_alloc_muex() argument
1153 if (!edev) in extcon_alloc_muex()
1156 if (!(edev->max_supported && edev->mutually_exclusive)) in extcon_alloc_muex()
1160 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_alloc_muex()
1163 edev->attrs_muex = kcalloc(index + 1, sizeof(*edev->attrs_muex), in extcon_alloc_muex()
1165 if (!edev->attrs_muex) in extcon_alloc_muex()
1168 edev->d_attrs_muex = kcalloc(index, sizeof(*edev->d_attrs_muex), in extcon_alloc_muex()
1170 if (!edev->d_attrs_muex) { in extcon_alloc_muex()
1171 kfree(edev->attrs_muex); in extcon_alloc_muex()
1175 for (index = 0; edev->mutually_exclusive[index]; index++) { in extcon_alloc_muex()
1177 edev->mutually_exclusive[index]); in extcon_alloc_muex()
1180 kfree(edev->d_attrs_muex[index].attr.name); in extcon_alloc_muex()
1182 kfree(edev->d_attrs_muex); in extcon_alloc_muex()
1183 kfree(edev->attrs_muex); in extcon_alloc_muex()
1186 sysfs_attr_init(&edev->d_attrs_muex[index].attr); in extcon_alloc_muex()
1187 edev->d_attrs_muex[index].attr.name = name; in extcon_alloc_muex()
1188 edev->d_attrs_muex[index].attr.mode = 0000; in extcon_alloc_muex()
1189 edev->attrs_muex[index] = &edev->d_attrs_muex[index].attr; in extcon_alloc_muex()
1191 edev->attr_g_muex.name = muex_name; in extcon_alloc_muex()
1192 edev->attr_g_muex.attrs = edev->attrs_muex; in extcon_alloc_muex()
1203 static int extcon_alloc_groups(struct extcon_dev *edev) in extcon_alloc_groups() argument
1207 if (!edev) in extcon_alloc_groups()
1210 if (!edev->max_supported) in extcon_alloc_groups()
1213 edev->extcon_dev_type.groups = kcalloc(edev->max_supported + 2, in extcon_alloc_groups()
1214 sizeof(*edev->extcon_dev_type.groups), in extcon_alloc_groups()
1216 if (!edev->extcon_dev_type.groups) in extcon_alloc_groups()
1219 edev->extcon_dev_type.name = dev_name(&edev->dev); in extcon_alloc_groups()
1220 edev->extcon_dev_type.release = dummy_sysfs_dev_release; in extcon_alloc_groups()
1222 for (index = 0; index < edev->max_supported; index++) in extcon_alloc_groups()
1223 edev->extcon_dev_type.groups[index] = &edev->cables[index].attr_g; in extcon_alloc_groups()
1225 if (edev->mutually_exclusive) in extcon_alloc_groups()
1226 edev->extcon_dev_type.groups[index] = &edev->attr_g_muex; in extcon_alloc_groups()
1228 edev->dev.type = &edev->extcon_dev_type; in extcon_alloc_groups()
1247 int extcon_dev_register(struct extcon_dev *edev) in extcon_dev_register() argument
1255 if (!edev || !edev->supported_cable) in extcon_dev_register()
1258 for (index = 0; edev->supported_cable[index] != EXTCON_NONE; index++); in extcon_dev_register()
1260 edev->max_supported = index; in extcon_dev_register()
1262 dev_err(&edev->dev, in extcon_dev_register()
1267 edev->dev.class = extcon_class; in extcon_dev_register()
1268 edev->dev.release = extcon_dev_release; in extcon_dev_register()
1270 edev->name = dev_name(edev->dev.parent); in extcon_dev_register()
1271 if (IS_ERR_OR_NULL(edev->name)) { in extcon_dev_register()
1272 dev_err(&edev->dev, in extcon_dev_register()
1281 edev->id = ret; in extcon_dev_register()
1283 ret = extcon_alloc_cables(edev); in extcon_dev_register()
1287 ret = extcon_alloc_muex(edev); in extcon_dev_register()
1291 ret = extcon_alloc_groups(edev); in extcon_dev_register()
1295 spin_lock_init(&edev->lock); in extcon_dev_register()
1296 if (edev->max_supported) { in extcon_dev_register()
1297 edev->nh = kcalloc(edev->max_supported, sizeof(*edev->nh), in extcon_dev_register()
1299 if (!edev->nh) { in extcon_dev_register()
1305 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1306 RAW_INIT_NOTIFIER_HEAD(&edev->nh[index]); in extcon_dev_register()
1308 RAW_INIT_NOTIFIER_HEAD(&edev->nh_all); in extcon_dev_register()
1310 dev_set_drvdata(&edev->dev, edev); in extcon_dev_register()
1311 dev_set_name(&edev->dev, "extcon%d", edev->id); in extcon_dev_register()
1312 edev->state = 0; in extcon_dev_register()
1314 ret = device_register(&edev->dev); in extcon_dev_register()
1316 put_device(&edev->dev); in extcon_dev_register()
1321 list_add(&edev->entry, &extcon_dev_list); in extcon_dev_register()
1327 if (edev->max_supported) in extcon_dev_register()
1328 kfree(edev->nh); in extcon_dev_register()
1330 if (edev->max_supported) in extcon_dev_register()
1331 kfree(edev->extcon_dev_type.groups); in extcon_dev_register()
1333 if (edev->max_supported && edev->mutually_exclusive) { in extcon_dev_register()
1334 for (index = 0; edev->mutually_exclusive[index]; index++) in extcon_dev_register()
1335 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_register()
1336 kfree(edev->d_attrs_muex); in extcon_dev_register()
1337 kfree(edev->attrs_muex); in extcon_dev_register()
1340 for (index = 0; index < edev->max_supported; index++) in extcon_dev_register()
1341 kfree(edev->cables[index].attr_g.name); in extcon_dev_register()
1342 if (edev->max_supported) in extcon_dev_register()
1343 kfree(edev->cables); in extcon_dev_register()
1345 ida_free(&extcon_dev_ids, edev->id); in extcon_dev_register()
1358 void extcon_dev_unregister(struct extcon_dev *edev) in extcon_dev_unregister() argument
1362 if (!edev) in extcon_dev_unregister()
1366 list_del(&edev->entry); in extcon_dev_unregister()
1369 if (!get_device(&edev->dev)) { in extcon_dev_unregister()
1370 dev_err(&edev->dev, "Failed to unregister extcon_dev\n"); in extcon_dev_unregister()
1374 ida_free(&extcon_dev_ids, edev->id); in extcon_dev_unregister()
1376 device_unregister(&edev->dev); in extcon_dev_unregister()
1378 if (edev->mutually_exclusive && edev->max_supported) { in extcon_dev_unregister()
1379 for (index = 0; edev->mutually_exclusive[index]; in extcon_dev_unregister()
1381 kfree(edev->d_attrs_muex[index].attr.name); in extcon_dev_unregister()
1382 kfree(edev->d_attrs_muex); in extcon_dev_unregister()
1383 kfree(edev->attrs_muex); in extcon_dev_unregister()
1386 for (index = 0; index < edev->max_supported; index++) in extcon_dev_unregister()
1387 kfree(edev->cables[index].attr_g.name); in extcon_dev_unregister()
1389 if (edev->max_supported) { in extcon_dev_unregister()
1390 kfree(edev->extcon_dev_type.groups); in extcon_dev_unregister()
1391 kfree(edev->cables); in extcon_dev_unregister()
1392 kfree(edev->nh); in extcon_dev_unregister()
1395 put_device(&edev->dev); in extcon_dev_unregister()
1409 struct extcon_dev *edev; in extcon_find_edev_by_node() local
1412 list_for_each_entry(edev, &extcon_dev_list, entry) in extcon_find_edev_by_node()
1413 if (edev->dev.parent && device_match_of_node(edev->dev.parent, node)) in extcon_find_edev_by_node()
1415 edev = ERR_PTR(-EPROBE_DEFER); in extcon_find_edev_by_node()
1419 return edev; in extcon_find_edev_by_node()
1432 struct extcon_dev *edev; in extcon_get_edev_by_phandle() local
1445 edev = extcon_find_edev_by_node(node); in extcon_get_edev_by_phandle()
1448 return edev; in extcon_get_edev_by_phandle()
1472 const char *extcon_get_edev_name(struct extcon_dev *edev) in extcon_get_edev_name() argument
1474 return !edev ? NULL : edev->name; in extcon_get_edev_name()