170 static int hidpp_send_message_sync(struct hidpp_device *hidpp,  in hidpp_send_message_sync()  argument
176 	mutex_lock(&hidpp->send_mutex);  in hidpp_send_message_sync()
178 	hidpp->send_receive_buf = response;  in hidpp_send_message_sync()
179 	hidpp->answer_available = false;  in hidpp_send_message_sync()
187 	ret = __hidpp_send_report(hidpp->hid_dev, message);  in hidpp_send_message_sync()
195 	if (!wait_event_timeout(hidpp->wait, hidpp->answer_available,  in hidpp_send_message_sync()
217 	mutex_unlock(&hidpp->send_mutex);  in hidpp_send_message_sync()
222 static int hidpp_send_fap_command_sync(struct hidpp_device *hidpp,  in hidpp_send_fap_command_sync()  argument
240 	ret = hidpp_send_message_sync(hidpp, message, response);  in hidpp_send_fap_command_sync()
274 	struct hidpp_device *hidpp = container_of(work, struct hidpp_device,  in delayed_work_cb()  local
276 	hidpp_connect_event(hidpp);  in delayed_work_cb()
384 static int hidpp_root_get_feature(struct hidpp_device *hidpp, u16 feature,  in hidpp_root_get_feature()  argument
391 	ret = hidpp_send_fap_command_sync(hidpp,  in hidpp_root_get_feature()
404 static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp)  in hidpp_root_get_protocol_version()  argument
409 	ret = hidpp_send_fap_command_sync(hidpp,  in hidpp_root_get_protocol_version()
415 		hidpp->protocol_major = 1;  in hidpp_root_get_protocol_version()
416 		hidpp->protocol_minor = 0;  in hidpp_root_get_protocol_version()
425 		hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",  in hidpp_root_get_protocol_version()
432 	hidpp->protocol_major = response.fap.params[0];  in hidpp_root_get_protocol_version()
433 	hidpp->protocol_minor = response.fap.params[1];  in hidpp_root_get_protocol_version()
438 static bool hidpp_is_connected(struct hidpp_device *hidpp)  in hidpp_is_connected()  argument
442 	ret = hidpp_root_get_protocol_version(hidpp);  in hidpp_is_connected()
444 		hid_dbg(hidpp->hid_dev, "HID++ %u.%u device connected.\n",  in hidpp_is_connected()
445 			hidpp->protocol_major, hidpp->protocol_minor);  in hidpp_is_connected()
459 static int hidpp_devicenametype_get_count(struct hidpp_device *hidpp,  in hidpp_devicenametype_get_count()  argument
465 	ret = hidpp_send_fap_command_sync(hidpp, feature_index,  in hidpp_devicenametype_get_count()
469 		hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",  in hidpp_devicenametype_get_count()
481 static int hidpp_devicenametype_get_device_name(struct hidpp_device *hidpp,  in hidpp_devicenametype_get_device_name()  argument
488 	ret = hidpp_send_fap_command_sync(hidpp, feature_index,  in hidpp_devicenametype_get_device_name()
493 		hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",  in hidpp_devicenametype_get_device_name()
514 static char *hidpp_get_device_name(struct hidpp_device *hidpp)  in hidpp_get_device_name()  argument
523 	ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_GET_DEVICE_NAME_TYPE,  in hidpp_get_device_name()
528 	ret = hidpp_devicenametype_get_count(hidpp, feature_index,  in hidpp_get_device_name()
538 		ret = hidpp_devicenametype_get_device_name(hidpp,  in hidpp_get_device_name()
598 static int hidpp_touchpad_get_raw_info(struct hidpp_device *hidpp,  in hidpp_touchpad_get_raw_info()  argument
605 	ret = hidpp_send_fap_command_sync(hidpp, feature_index,  in hidpp_touchpad_get_raw_info()
609 		hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",  in hidpp_touchpad_get_raw_info()
711 static void wtp_populate_input(struct hidpp_device *hidpp,  in wtp_populate_input()  argument
714 	struct wtp_data *wd = hidpp->private_data;  in wtp_populate_input()
731 	if (hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS)  in wtp_populate_input()
767 static void wtp_send_raw_xy_event(struct hidpp_device *hidpp,  in wtp_send_raw_xy_event()  argument
770 	struct wtp_data *wd = hidpp->private_data;  in wtp_send_raw_xy_event()
777 	    !(hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS))  in wtp_send_raw_xy_event()
786 static int wtp_mouse_raw_xy_event(struct hidpp_device *hidpp, u8 *data)  in wtp_mouse_raw_xy_event()  argument
788 	struct wtp_data *wd = hidpp->private_data;  in wtp_mouse_raw_xy_event()
820 	wtp_send_raw_xy_event(hidpp, &raw);  in wtp_mouse_raw_xy_event()
827 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in wtp_raw_event()  local
828 	struct wtp_data *wd = hidpp->private_data;  in wtp_raw_event()
842 		if (hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS) {  in wtp_raw_event()
852 			return wtp_mouse_raw_xy_event(hidpp, &data[7]);  in wtp_raw_event()
859 		hidpp_touchpad_raw_xy_event(hidpp, data + 4, &raw);  in wtp_raw_event()
861 		wtp_send_raw_xy_event(hidpp, &raw);  in wtp_raw_event()
868 static int wtp_get_config(struct hidpp_device *hidpp)  in wtp_get_config()  argument
870 	struct wtp_data *wd = hidpp->private_data;  in wtp_get_config()
875 	ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_TOUCHPAD_RAW_XY,  in wtp_get_config()
881 	ret = hidpp_touchpad_get_raw_info(hidpp, wd->mt_feature_index,  in wtp_get_config()
899 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in wtp_allocate()  local
907 	hidpp->private_data = wd;  in wtp_allocate()
914 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in wtp_connect()  local
915 	struct wtp_data *wd = hidpp->private_data;  in wtp_connect()
922 		ret = wtp_get_config(hidpp);  in wtp_connect()
929 	return hidpp_touchpad_set_raw_report_state(hidpp, wd->mt_feature_index,  in wtp_connect()
941 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_input_mapping()  local
943 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)  in hidpp_input_mapping()
949 static void hidpp_populate_input(struct hidpp_device *hidpp,  in hidpp_populate_input()  argument
952 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)  in hidpp_populate_input()
953 		wtp_populate_input(hidpp, input, origin_is_hid_core);  in hidpp_populate_input()
959 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_input_configured()  local
962 	hidpp_populate_input(hidpp, input, true);  in hidpp_input_configured()
965 static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data,  in hidpp_raw_hidpp_event()  argument
968 	struct hidpp_report *question = hidpp->send_receive_buf;  in hidpp_raw_hidpp_event()
969 	struct hidpp_report *answer = hidpp->send_receive_buf;  in hidpp_raw_hidpp_event()
976 	if (unlikely(mutex_is_locked(&hidpp->send_mutex))) {  in hidpp_raw_hidpp_event()
984 			hidpp->answer_available = true;  in hidpp_raw_hidpp_event()
985 			wake_up(&hidpp->wait);  in hidpp_raw_hidpp_event()
997 		atomic_set(&hidpp->connected,  in hidpp_raw_hidpp_event()
999 		if ((hidpp->quirks & HIDPP_QUIRK_DELAYED_INIT) &&  in hidpp_raw_hidpp_event()
1000 		    (schedule_work(&hidpp->work) == 0))  in hidpp_raw_hidpp_event()
1011 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_raw_event()  local
1022 		ret = hidpp_raw_hidpp_event(hidpp, data, size);  in hidpp_raw_event()
1030 		ret = hidpp_raw_hidpp_event(hidpp, data, size);  in hidpp_raw_event()
1039 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)  in hidpp_raw_event()
1047 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_overwrite_name()  local
1056 		name = hidpp_get_unifying_name(hidpp);  in hidpp_overwrite_name()
1058 		name = hidpp_get_device_name(hidpp);  in hidpp_overwrite_name()
1085 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_allocate_input()  local
1094 	input_dev->name = hidpp->name;  in hidpp_allocate_input()
1106 static void hidpp_connect_event(struct hidpp_device *hidpp)  in hidpp_connect_event()  argument
1108 	struct hid_device *hdev = hidpp->hid_dev;  in hidpp_connect_event()
1110 	bool connected = atomic_read(&hidpp->connected);  in hidpp_connect_event()
1114 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) {  in hidpp_connect_event()
1120 	if (!connected || hidpp->delayed_input)  in hidpp_connect_event()
1123 	if (!hidpp->protocol_major) {  in hidpp_connect_event()
1124 		ret = !hidpp_is_connected(hidpp);  in hidpp_connect_event()
1134 		 hidpp->protocol_major, hidpp->protocol_minor);  in hidpp_connect_event()
1136 	if (!hidpp->name || hidpp->name == hdev->name) {  in hidpp_connect_event()
1137 		name = hidpp_get_device_name(hidpp);  in hidpp_connect_event()
1149 		hidpp->name = devm_name;  in hidpp_connect_event()
1158 	hidpp_populate_input(hidpp, input, false);  in hidpp_connect_event()
1164 	hidpp->delayed_input = input;  in hidpp_connect_event()
1169 	struct hidpp_device *hidpp;  in hidpp_probe()  local
1174 	hidpp = devm_kzalloc(&hdev->dev, sizeof(struct hidpp_device),  in hidpp_probe()
1176 	if (!hidpp)  in hidpp_probe()
1179 	hidpp->hid_dev = hdev;  in hidpp_probe()
1180 	hidpp->name = hdev->name;  in hidpp_probe()
1181 	hid_set_drvdata(hdev, hidpp);  in hidpp_probe()
1183 	hidpp->quirks = id->driver_data;  in hidpp_probe()
1186 		hidpp->quirks &= ~HIDPP_QUIRK_CLASS_WTP;  in hidpp_probe()
1187 		hidpp->quirks &= ~HIDPP_QUIRK_DELAYED_INIT;  in hidpp_probe()
1190 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) {  in hidpp_probe()
1196 	INIT_WORK(&hidpp->work, delayed_work_cb);  in hidpp_probe()
1197 	mutex_init(&hidpp->send_mutex);  in hidpp_probe()
1198 	init_waitqueue_head(&hidpp->wait);  in hidpp_probe()
1209 	connected = hidpp_is_connected(hidpp);  in hidpp_probe()
1219 			 hidpp->protocol_major, hidpp->protocol_minor);  in hidpp_probe()
1223 	atomic_set(&hidpp->connected, connected);  in hidpp_probe()
1225 	if (connected && (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)) {  in hidpp_probe()
1226 		ret = wtp_get_config(hidpp);  in hidpp_probe()
1234 	if (hidpp->quirks & HIDPP_QUIRK_DELAYED_INIT)  in hidpp_probe()
1243 	if (hidpp->quirks & HIDPP_QUIRK_DELAYED_INIT) {  in hidpp_probe()
1247 		hidpp_connect_event(hidpp);  in hidpp_probe()
1254 	cancel_work_sync(&hidpp->work);  in hidpp_probe()
1255 	mutex_destroy(&hidpp->send_mutex);  in hidpp_probe()
1263 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_remove()  local
1265 	cancel_work_sync(&hidpp->work);  in hidpp_remove()
1266 	mutex_destroy(&hidpp->send_mutex);  in hidpp_remove()