49 struct rfkill {  struct
79 #define to_rfkill(d)	container_of(d, struct rfkill, dev)  argument
129 static void rfkill_led_trigger_event(struct rfkill *rfkill)  in rfkill_led_trigger_event()  argument
133 	if (!rfkill->registered)  in rfkill_led_trigger_event()
136 	trigger = &rfkill->led_trigger;  in rfkill_led_trigger_event()
138 	if (rfkill->state & RFKILL_BLOCK_ANY)  in rfkill_led_trigger_event()
146 	struct rfkill *rfkill;  in rfkill_led_trigger_activate()  local
148 	rfkill = container_of(led->trigger, struct rfkill, led_trigger);  in rfkill_led_trigger_activate()
150 	rfkill_led_trigger_event(rfkill);  in rfkill_led_trigger_activate()
155 const char *rfkill_get_led_trigger_name(struct rfkill *rfkill)  in rfkill_get_led_trigger_name()  argument
157 	return rfkill->led_trigger.name;  in rfkill_get_led_trigger_name()
161 void rfkill_set_led_trigger_name(struct rfkill *rfkill, const char *name)  in rfkill_set_led_trigger_name()  argument
163 	BUG_ON(!rfkill);  in rfkill_set_led_trigger_name()
165 	rfkill->ledtrigname = name;  in rfkill_set_led_trigger_name()
169 static int rfkill_led_trigger_register(struct rfkill *rfkill)  in rfkill_led_trigger_register()  argument
171 	rfkill->led_trigger.name = rfkill->ledtrigname  in rfkill_led_trigger_register()
172 					? : dev_name(&rfkill->dev);  in rfkill_led_trigger_register()
173 	rfkill->led_trigger.activate = rfkill_led_trigger_activate;  in rfkill_led_trigger_register()
174 	return led_trigger_register(&rfkill->led_trigger);  in rfkill_led_trigger_register()
177 static void rfkill_led_trigger_unregister(struct rfkill *rfkill)  in rfkill_led_trigger_unregister()  argument
179 	led_trigger_unregister(&rfkill->led_trigger);  in rfkill_led_trigger_unregister()
189 	struct rfkill *rfkill;  in rfkill_global_led_trigger_worker()  local
192 	list_for_each_entry(rfkill, &rfkill_list, node) {  in rfkill_global_led_trigger_worker()
193 		if (!(rfkill->state & RFKILL_BLOCK_ANY)) {  in rfkill_global_led_trigger_worker()
240 static void rfkill_led_trigger_event(struct rfkill *rfkill)  in rfkill_led_trigger_event()  argument
244 static inline int rfkill_led_trigger_register(struct rfkill *rfkill)  in rfkill_led_trigger_register()  argument
249 static inline void rfkill_led_trigger_unregister(struct rfkill *rfkill)  in rfkill_led_trigger_unregister()  argument
267 static void rfkill_fill_event(struct rfkill_event *ev, struct rfkill *rfkill,  in rfkill_fill_event()  argument
272 	ev->idx = rfkill->idx;  in rfkill_fill_event()
273 	ev->type = rfkill->type;  in rfkill_fill_event()
276 	spin_lock_irqsave(&rfkill->lock, flags);  in rfkill_fill_event()
277 	ev->hard = !!(rfkill->state & RFKILL_BLOCK_HW);  in rfkill_fill_event()
278 	ev->soft = !!(rfkill->state & (RFKILL_BLOCK_SW |  in rfkill_fill_event()
280 	spin_unlock_irqrestore(&rfkill->lock, flags);  in rfkill_fill_event()
283 static void rfkill_send_events(struct rfkill *rfkill, enum rfkill_operation op)  in rfkill_send_events()  argument
292 		rfkill_fill_event(&ev->ev, rfkill, op);  in rfkill_send_events()
300 static void rfkill_event(struct rfkill *rfkill)  in rfkill_event()  argument
302 	if (!rfkill->registered)  in rfkill_event()
305 	kobject_uevent(&rfkill->dev.kobj, KOBJ_CHANGE);  in rfkill_event()
308 	rfkill_send_events(rfkill, RFKILL_OP_CHANGE);  in rfkill_event()
320 static void rfkill_set_block(struct rfkill *rfkill, bool blocked)  in rfkill_set_block()  argument
326 	if (unlikely(rfkill->dev.power.power_state.event & PM_EVENT_SLEEP))  in rfkill_set_block()
334 	if (rfkill->ops->query)  in rfkill_set_block()
335 		rfkill->ops->query(rfkill, rfkill->data);  in rfkill_set_block()
337 	spin_lock_irqsave(&rfkill->lock, flags);  in rfkill_set_block()
338 	prev = rfkill->state & RFKILL_BLOCK_SW;  in rfkill_set_block()
341 		rfkill->state |= RFKILL_BLOCK_SW_PREV;  in rfkill_set_block()
343 		rfkill->state &= ~RFKILL_BLOCK_SW_PREV;  in rfkill_set_block()
346 		rfkill->state |= RFKILL_BLOCK_SW;  in rfkill_set_block()
348 		rfkill->state &= ~RFKILL_BLOCK_SW;  in rfkill_set_block()
350 	rfkill->state |= RFKILL_BLOCK_SW_SETCALL;  in rfkill_set_block()
351 	spin_unlock_irqrestore(&rfkill->lock, flags);  in rfkill_set_block()
353 	err = rfkill->ops->set_block(rfkill->data, blocked);  in rfkill_set_block()
355 	spin_lock_irqsave(&rfkill->lock, flags);  in rfkill_set_block()
362 		if (rfkill->state & RFKILL_BLOCK_SW_PREV)  in rfkill_set_block()
363 			rfkill->state |= RFKILL_BLOCK_SW;  in rfkill_set_block()
365 			rfkill->state &= ~RFKILL_BLOCK_SW;  in rfkill_set_block()
367 	rfkill->state &= ~RFKILL_BLOCK_SW_SETCALL;  in rfkill_set_block()
368 	rfkill->state &= ~RFKILL_BLOCK_SW_PREV;  in rfkill_set_block()
369 	curr = rfkill->state & RFKILL_BLOCK_SW;  in rfkill_set_block()
370 	spin_unlock_irqrestore(&rfkill->lock, flags);  in rfkill_set_block()
372 	rfkill_led_trigger_event(rfkill);  in rfkill_set_block()
376 		rfkill_event(rfkill);  in rfkill_set_block()
407 	struct rfkill *rfkill;  in __rfkill_switch_all()  local
410 	list_for_each_entry(rfkill, &rfkill_list, node) {  in __rfkill_switch_all()
411 		if (rfkill->type != type && type != RFKILL_TYPE_ALL)  in __rfkill_switch_all()
414 		rfkill_set_block(rfkill, blocked);  in __rfkill_switch_all()
452 	struct rfkill *rfkill;  in rfkill_epo()  local
461 	list_for_each_entry(rfkill, &rfkill_list, node)  in rfkill_epo()
462 		rfkill_set_block(rfkill, true);  in rfkill_epo()
537 bool rfkill_set_hw_state(struct rfkill *rfkill, bool blocked)  in rfkill_set_hw_state()  argument
542 	BUG_ON(!rfkill);  in rfkill_set_hw_state()
544 	spin_lock_irqsave(&rfkill->lock, flags);  in rfkill_set_hw_state()
545 	prev = !!(rfkill->state & RFKILL_BLOCK_HW);  in rfkill_set_hw_state()
547 		rfkill->state |= RFKILL_BLOCK_HW;  in rfkill_set_hw_state()
549 		rfkill->state &= ~RFKILL_BLOCK_HW;  in rfkill_set_hw_state()
550 	ret = !!(rfkill->state & RFKILL_BLOCK_ANY);  in rfkill_set_hw_state()
551 	spin_unlock_irqrestore(&rfkill->lock, flags);  in rfkill_set_hw_state()
553 	rfkill_led_trigger_event(rfkill);  in rfkill_set_hw_state()
556 	if (rfkill->registered && prev != blocked)  in rfkill_set_hw_state()
557 		schedule_work(&rfkill->uevent_work);  in rfkill_set_hw_state()
563 static void __rfkill_set_sw_state(struct rfkill *rfkill, bool blocked)  in __rfkill_set_sw_state()  argument
568 	if (rfkill->state & RFKILL_BLOCK_SW_SETCALL)  in __rfkill_set_sw_state()
572 		rfkill->state |= bit;  in __rfkill_set_sw_state()
574 		rfkill->state &= ~bit;  in __rfkill_set_sw_state()
577 bool rfkill_set_sw_state(struct rfkill *rfkill, bool blocked)  in rfkill_set_sw_state()  argument
582 	BUG_ON(!rfkill);  in rfkill_set_sw_state()
584 	spin_lock_irqsave(&rfkill->lock, flags);  in rfkill_set_sw_state()
585 	prev = !!(rfkill->state & RFKILL_BLOCK_SW);  in rfkill_set_sw_state()
586 	__rfkill_set_sw_state(rfkill, blocked);  in rfkill_set_sw_state()
587 	hwblock = !!(rfkill->state & RFKILL_BLOCK_HW);  in rfkill_set_sw_state()
589 	spin_unlock_irqrestore(&rfkill->lock, flags);  in rfkill_set_sw_state()
591 	if (!rfkill->registered)  in rfkill_set_sw_state()
595 		schedule_work(&rfkill->uevent_work);  in rfkill_set_sw_state()
597 	rfkill_led_trigger_event(rfkill);  in rfkill_set_sw_state()
604 void rfkill_init_sw_state(struct rfkill *rfkill, bool blocked)  in rfkill_init_sw_state()  argument
608 	BUG_ON(!rfkill);  in rfkill_init_sw_state()
609 	BUG_ON(rfkill->registered);  in rfkill_init_sw_state()
611 	spin_lock_irqsave(&rfkill->lock, flags);  in rfkill_init_sw_state()
612 	__rfkill_set_sw_state(rfkill, blocked);  in rfkill_init_sw_state()
613 	rfkill->persistent = true;  in rfkill_init_sw_state()
614 	spin_unlock_irqrestore(&rfkill->lock, flags);  in rfkill_init_sw_state()
618 void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw)  in rfkill_set_states()  argument
623 	BUG_ON(!rfkill);  in rfkill_set_states()
625 	spin_lock_irqsave(&rfkill->lock, flags);  in rfkill_set_states()
631 	swprev = !!(rfkill->state & RFKILL_BLOCK_SW);  in rfkill_set_states()
632 	hwprev = !!(rfkill->state & RFKILL_BLOCK_HW);  in rfkill_set_states()
633 	__rfkill_set_sw_state(rfkill, sw);  in rfkill_set_states()
635 		rfkill->state |= RFKILL_BLOCK_HW;  in rfkill_set_states()
637 		rfkill->state &= ~RFKILL_BLOCK_HW;  in rfkill_set_states()
639 	spin_unlock_irqrestore(&rfkill->lock, flags);  in rfkill_set_states()
641 	if (!rfkill->registered) {  in rfkill_set_states()
642 		rfkill->persistent = true;  in rfkill_set_states()
645 			schedule_work(&rfkill->uevent_work);  in rfkill_set_states()
647 		rfkill_led_trigger_event(rfkill);  in rfkill_set_states()
684 	struct rfkill *rfkill = to_rfkill(dev);  in name_show()  local
686 	return sprintf(buf, "%s\n", rfkill->name);  in name_show()
693 	struct rfkill *rfkill = to_rfkill(dev);  in type_show()  local
695 	return sprintf(buf, "%s\n", rfkill_types[rfkill->type]);  in type_show()
702 	struct rfkill *rfkill = to_rfkill(dev);  in index_show()  local
704 	return sprintf(buf, "%d\n", rfkill->idx);  in index_show()
711 	struct rfkill *rfkill = to_rfkill(dev);  in persistent_show()  local
713 	return sprintf(buf, "%d\n", rfkill->persistent);  in persistent_show()
720 	struct rfkill *rfkill = to_rfkill(dev);  in hard_show()  local
722 	return sprintf(buf, "%d\n", (rfkill->state & RFKILL_BLOCK_HW) ? 1 : 0 );  in hard_show()
729 	struct rfkill *rfkill = to_rfkill(dev);  in soft_show()  local
731 	return sprintf(buf, "%d\n", (rfkill->state & RFKILL_BLOCK_SW) ? 1 : 0 );  in soft_show()
737 	struct rfkill *rfkill = to_rfkill(dev);  in soft_store()  local
752 	rfkill_set_block(rfkill, state);  in soft_store()
772 	struct rfkill *rfkill = to_rfkill(dev);  in state_show()  local
774 	return sprintf(buf, "%d\n", user_state_from_blocked(rfkill->state));  in state_show()
780 	struct rfkill *rfkill = to_rfkill(dev);  in state_store()  local
796 	rfkill_set_block(rfkill, state == RFKILL_USER_STATE_SOFT_BLOCKED);  in state_store()
817 	struct rfkill *rfkill = to_rfkill(dev);  in rfkill_release()  local
819 	kfree(rfkill);  in rfkill_release()
824 	struct rfkill *rfkill = to_rfkill(dev);  in rfkill_dev_uevent()  local
829 	error = add_uevent_var(env, "RFKILL_NAME=%s", rfkill->name);  in rfkill_dev_uevent()
833 			       rfkill_types[rfkill->type]);  in rfkill_dev_uevent()
836 	spin_lock_irqsave(&rfkill->lock, flags);  in rfkill_dev_uevent()
837 	state = rfkill->state;  in rfkill_dev_uevent()
838 	spin_unlock_irqrestore(&rfkill->lock, flags);  in rfkill_dev_uevent()
844 void rfkill_pause_polling(struct rfkill *rfkill)  in rfkill_pause_polling()  argument
846 	BUG_ON(!rfkill);  in rfkill_pause_polling()
848 	if (!rfkill->ops->poll)  in rfkill_pause_polling()
851 	rfkill->polling_paused = true;  in rfkill_pause_polling()
852 	cancel_delayed_work_sync(&rfkill->poll_work);  in rfkill_pause_polling()
856 void rfkill_resume_polling(struct rfkill *rfkill)  in rfkill_resume_polling()  argument
858 	BUG_ON(!rfkill);  in rfkill_resume_polling()
860 	if (!rfkill->ops->poll)  in rfkill_resume_polling()
863 	rfkill->polling_paused = false;  in rfkill_resume_polling()
865 	if (rfkill->suspended)  in rfkill_resume_polling()
869 			   &rfkill->poll_work, 0);  in rfkill_resume_polling()
876 	struct rfkill *rfkill = to_rfkill(dev);  in rfkill_suspend()  local
878 	rfkill->suspended = true;  in rfkill_suspend()
879 	cancel_delayed_work_sync(&rfkill->poll_work);  in rfkill_suspend()
886 	struct rfkill *rfkill = to_rfkill(dev);  in rfkill_resume()  local
889 	rfkill->suspended = false;  in rfkill_resume()
891 	if (!rfkill->persistent) {  in rfkill_resume()
892 		cur = !!(rfkill->state & RFKILL_BLOCK_SW);  in rfkill_resume()
893 		rfkill_set_block(rfkill, cur);  in rfkill_resume()
896 	if (rfkill->ops->poll && !rfkill->polling_paused)  in rfkill_resume()
898 				   &rfkill->poll_work, 0);  in rfkill_resume()
917 bool rfkill_blocked(struct rfkill *rfkill)  in rfkill_blocked()  argument
922 	spin_lock_irqsave(&rfkill->lock, flags);  in rfkill_blocked()
923 	state = rfkill->state;  in rfkill_blocked()
924 	spin_unlock_irqrestore(&rfkill->lock, flags);  in rfkill_blocked()
931 struct rfkill * __must_check rfkill_alloc(const char *name,  in rfkill_alloc()
937 	struct rfkill *rfkill;  in rfkill_alloc()  local
952 	rfkill = kzalloc(sizeof(*rfkill) + strlen(name) + 1, GFP_KERNEL);  in rfkill_alloc()
953 	if (!rfkill)  in rfkill_alloc()
956 	spin_lock_init(&rfkill->lock);  in rfkill_alloc()
957 	INIT_LIST_HEAD(&rfkill->node);  in rfkill_alloc()
958 	rfkill->type = type;  in rfkill_alloc()
959 	strcpy(rfkill->name, name);  in rfkill_alloc()
960 	rfkill->ops = ops;  in rfkill_alloc()
961 	rfkill->data = ops_data;  in rfkill_alloc()
963 	dev = &rfkill->dev;  in rfkill_alloc()
968 	return rfkill;  in rfkill_alloc()
974 	struct rfkill *rfkill;  in rfkill_poll()  local
976 	rfkill = container_of(work, struct rfkill, poll_work.work);  in rfkill_poll()
983 	rfkill->ops->poll(rfkill, rfkill->data);  in rfkill_poll()
986 		&rfkill->poll_work,  in rfkill_poll()
992 	struct rfkill *rfkill;  in rfkill_uevent_work()  local
994 	rfkill = container_of(work, struct rfkill, uevent_work);  in rfkill_uevent_work()
997 	rfkill_event(rfkill);  in rfkill_uevent_work()
1003 	struct rfkill *rfkill;  in rfkill_sync_work()  local
1006 	rfkill = container_of(work, struct rfkill, sync_work);  in rfkill_sync_work()
1009 	cur = rfkill_global_states[rfkill->type].cur;  in rfkill_sync_work()
1010 	rfkill_set_block(rfkill, cur);  in rfkill_sync_work()
1014 int __must_check rfkill_register(struct rfkill *rfkill)  in rfkill_register()  argument
1017 	struct device *dev = &rfkill->dev;  in rfkill_register()
1020 	BUG_ON(!rfkill);  in rfkill_register()
1024 	if (rfkill->registered) {  in rfkill_register()
1029 	rfkill->idx = rfkill_no;  in rfkill_register()
1033 	list_add_tail(&rfkill->node, &rfkill_list);  in rfkill_register()
1039 	error = rfkill_led_trigger_register(rfkill);  in rfkill_register()
1043 	rfkill->registered = true;  in rfkill_register()
1045 	INIT_DELAYED_WORK(&rfkill->poll_work, rfkill_poll);  in rfkill_register()
1046 	INIT_WORK(&rfkill->uevent_work, rfkill_uevent_work);  in rfkill_register()
1047 	INIT_WORK(&rfkill->sync_work, rfkill_sync_work);  in rfkill_register()
1049 	if (rfkill->ops->poll)  in rfkill_register()
1051 			&rfkill->poll_work,  in rfkill_register()
1054 	if (!rfkill->persistent || rfkill_epo_lock_active) {  in rfkill_register()
1055 		schedule_work(&rfkill->sync_work);  in rfkill_register()
1058 		bool soft_blocked = !!(rfkill->state & RFKILL_BLOCK_SW);  in rfkill_register()
1061 			__rfkill_switch_all(rfkill->type, soft_blocked);  in rfkill_register()
1066 	rfkill_send_events(rfkill, RFKILL_OP_ADD);  in rfkill_register()
1072 	device_del(&rfkill->dev);  in rfkill_register()
1074 	list_del_init(&rfkill->node);  in rfkill_register()
1081 void rfkill_unregister(struct rfkill *rfkill)  in rfkill_unregister()  argument
1083 	BUG_ON(!rfkill);  in rfkill_unregister()
1085 	if (rfkill->ops->poll)  in rfkill_unregister()
1086 		cancel_delayed_work_sync(&rfkill->poll_work);  in rfkill_unregister()
1088 	cancel_work_sync(&rfkill->uevent_work);  in rfkill_unregister()
1089 	cancel_work_sync(&rfkill->sync_work);  in rfkill_unregister()
1091 	rfkill->registered = false;  in rfkill_unregister()
1093 	device_del(&rfkill->dev);  in rfkill_unregister()
1096 	rfkill_send_events(rfkill, RFKILL_OP_DEL);  in rfkill_unregister()
1097 	list_del_init(&rfkill->node);  in rfkill_unregister()
1101 	rfkill_led_trigger_unregister(rfkill);  in rfkill_unregister()
1105 void rfkill_destroy(struct rfkill *rfkill)  in rfkill_destroy()  argument
1107 	if (rfkill)  in rfkill_destroy()
1108 		put_device(&rfkill->dev);  in rfkill_destroy()
1115 	struct rfkill *rfkill;  in rfkill_fop_open()  local
1133 	list_for_each_entry(rfkill, &rfkill_list, node) {  in rfkill_fop_open()
1137 		rfkill_fill_event(&ev->ev, rfkill, RFKILL_OP_ADD);  in rfkill_fop_open()
1218 	struct rfkill *rfkill;  in rfkill_fop_write()  local
1243 		list_for_each_entry(rfkill, &rfkill_list, node)  in rfkill_fop_write()
1244 			if (rfkill->type == ev.type ||  in rfkill_fop_write()
1246 				rfkill_set_block(rfkill, ev.soft);  in rfkill_fop_write()
1250 		list_for_each_entry(rfkill, &rfkill_list, node)  in rfkill_fop_write()
1251 			if (rfkill->idx == ev.idx &&  in rfkill_fop_write()
1252 			    (rfkill->type == ev.type ||  in rfkill_fop_write()
1254 				rfkill_set_block(rfkill, ev.soft);  in rfkill_fop_write()