181 static int hidpp_send_message_sync(struct hidpp_device *hidpp,  in hidpp_send_message_sync()  argument
187 	mutex_lock(&hidpp->send_mutex);  in hidpp_send_message_sync()
189 	hidpp->send_receive_buf = response;  in hidpp_send_message_sync()
190 	hidpp->answer_available = false;  in hidpp_send_message_sync()
198 	ret = __hidpp_send_report(hidpp->hid_dev, message);  in hidpp_send_message_sync()
206 	if (!wait_event_timeout(hidpp->wait, hidpp->answer_available,  in hidpp_send_message_sync()
228 	mutex_unlock(&hidpp->send_mutex);  in hidpp_send_message_sync()
233 static int hidpp_send_fap_command_sync(struct hidpp_device *hidpp,  in hidpp_send_fap_command_sync()  argument
251 	ret = hidpp_send_message_sync(hidpp, message, response);  in hidpp_send_fap_command_sync()
285 	struct hidpp_device *hidpp = container_of(work, struct hidpp_device,  in delayed_work_cb()  local
287 	hidpp_connect_event(hidpp);  in delayed_work_cb()
395 static int hidpp_root_get_feature(struct hidpp_device *hidpp, u16 feature,  in hidpp_root_get_feature()  argument
402 	ret = hidpp_send_fap_command_sync(hidpp,  in hidpp_root_get_feature()
415 static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp)  in hidpp_root_get_protocol_version()  argument
420 	ret = hidpp_send_fap_command_sync(hidpp,  in hidpp_root_get_protocol_version()
426 		hidpp->protocol_major = 1;  in hidpp_root_get_protocol_version()
427 		hidpp->protocol_minor = 0;  in hidpp_root_get_protocol_version()
436 		hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",  in hidpp_root_get_protocol_version()
443 	hidpp->protocol_major = response.fap.params[0];  in hidpp_root_get_protocol_version()
444 	hidpp->protocol_minor = response.fap.params[1];  in hidpp_root_get_protocol_version()
449 static bool hidpp_is_connected(struct hidpp_device *hidpp)  in hidpp_is_connected()  argument
453 	ret = hidpp_root_get_protocol_version(hidpp);  in hidpp_is_connected()
455 		hid_dbg(hidpp->hid_dev, "HID++ %u.%u device connected.\n",  in hidpp_is_connected()
456 			hidpp->protocol_major, hidpp->protocol_minor);  in hidpp_is_connected()
470 static int hidpp_devicenametype_get_count(struct hidpp_device *hidpp,  in hidpp_devicenametype_get_count()  argument
476 	ret = hidpp_send_fap_command_sync(hidpp, feature_index,  in hidpp_devicenametype_get_count()
480 		hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",  in hidpp_devicenametype_get_count()
492 static int hidpp_devicenametype_get_device_name(struct hidpp_device *hidpp,  in hidpp_devicenametype_get_device_name()  argument
499 	ret = hidpp_send_fap_command_sync(hidpp, feature_index,  in hidpp_devicenametype_get_device_name()
504 		hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",  in hidpp_devicenametype_get_device_name()
525 static char *hidpp_get_device_name(struct hidpp_device *hidpp)  in hidpp_get_device_name()  argument
534 	ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_GET_DEVICE_NAME_TYPE,  in hidpp_get_device_name()
539 	ret = hidpp_devicenametype_get_count(hidpp, feature_index,  in hidpp_get_device_name()
549 		ret = hidpp_devicenametype_get_device_name(hidpp,  in hidpp_get_device_name()
584 static int hidpp_touchpad_fw_items_set(struct hidpp_device *hidpp,  in hidpp_touchpad_fw_items_set()  argument
592 	ret = hidpp_send_fap_command_sync(hidpp, feature_index,  in hidpp_touchpad_fw_items_set()
596 		hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",  in hidpp_touchpad_fw_items_set()
655 static int hidpp_touchpad_get_raw_info(struct hidpp_device *hidpp,  in hidpp_touchpad_get_raw_info()  argument
662 	ret = hidpp_send_fap_command_sync(hidpp, feature_index,  in hidpp_touchpad_get_raw_info()
666 		hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",  in hidpp_touchpad_get_raw_info()
768 static void wtp_populate_input(struct hidpp_device *hidpp,  in wtp_populate_input()  argument
771 	struct wtp_data *wd = hidpp->private_data;  in wtp_populate_input()
788 	if (hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS)  in wtp_populate_input()
824 static void wtp_send_raw_xy_event(struct hidpp_device *hidpp,  in wtp_send_raw_xy_event()  argument
827 	struct wtp_data *wd = hidpp->private_data;  in wtp_send_raw_xy_event()
834 	    !(hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS))  in wtp_send_raw_xy_event()
843 static int wtp_mouse_raw_xy_event(struct hidpp_device *hidpp, u8 *data)  in wtp_mouse_raw_xy_event()  argument
845 	struct wtp_data *wd = hidpp->private_data;  in wtp_mouse_raw_xy_event()
877 	wtp_send_raw_xy_event(hidpp, &raw);  in wtp_mouse_raw_xy_event()
884 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in wtp_raw_event()  local
885 	struct wtp_data *wd = hidpp->private_data;  in wtp_raw_event()
899 		if (hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS) {  in wtp_raw_event()
909 			return wtp_mouse_raw_xy_event(hidpp, &data[7]);  in wtp_raw_event()
916 		hidpp_touchpad_raw_xy_event(hidpp, data + 4, &raw);  in wtp_raw_event()
918 		wtp_send_raw_xy_event(hidpp, &raw);  in wtp_raw_event()
925 static int wtp_get_config(struct hidpp_device *hidpp)  in wtp_get_config()  argument
927 	struct wtp_data *wd = hidpp->private_data;  in wtp_get_config()
932 	ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_TOUCHPAD_RAW_XY,  in wtp_get_config()
938 	ret = hidpp_touchpad_get_raw_info(hidpp, wd->mt_feature_index,  in wtp_get_config()
956 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in wtp_allocate()  local
964 	hidpp->private_data = wd;  in wtp_allocate()
971 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in wtp_connect()  local
972 	struct wtp_data *wd = hidpp->private_data;  in wtp_connect()
979 		ret = wtp_get_config(hidpp);  in wtp_connect()
986 	return hidpp_touchpad_set_raw_report_state(hidpp, wd->mt_feature_index,  in wtp_connect()
1061 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in m560_allocate()  local
1069 	hidpp->private_data = d;  in m560_allocate()
1076 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in m560_raw_event()  local
1077 	struct m560_private_data *mydata = hidpp->private_data;  in m560_raw_event()
1163 static void m560_populate_input(struct hidpp_device *hidpp,  in m560_populate_input()  argument
1166 	struct m560_private_data *mydata = hidpp->private_data;  in m560_populate_input()
1209 static int k400_disable_tap_to_click(struct hidpp_device *hidpp)  in k400_disable_tap_to_click()  argument
1211 	struct k400_private_data *k400 = hidpp->private_data;  in k400_disable_tap_to_click()
1217 		ret = hidpp_root_get_feature(hidpp,  in k400_disable_tap_to_click()
1225 	ret = hidpp_touchpad_fw_items_set(hidpp, k400->feature_index, &items);  in k400_disable_tap_to_click()
1234 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in k400_allocate()  local
1242 	hidpp->private_data = k400;  in k400_allocate()
1249 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in k400_connect()  local
1257 	return k400_disable_tap_to_click(hidpp);  in k400_connect()
1268 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_input_mapping()  local
1270 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)  in hidpp_input_mapping()
1272 	else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560 &&  in hidpp_input_mapping()
1279 static void hidpp_populate_input(struct hidpp_device *hidpp,  in hidpp_populate_input()  argument
1282 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)  in hidpp_populate_input()
1283 		wtp_populate_input(hidpp, input, origin_is_hid_core);  in hidpp_populate_input()
1284 	else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560)  in hidpp_populate_input()
1285 		m560_populate_input(hidpp, input, origin_is_hid_core);  in hidpp_populate_input()
1291 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_input_configured()  local
1294 	hidpp_populate_input(hidpp, input, true);  in hidpp_input_configured()
1299 static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data,  in hidpp_raw_hidpp_event()  argument
1302 	struct hidpp_report *question = hidpp->send_receive_buf;  in hidpp_raw_hidpp_event()
1303 	struct hidpp_report *answer = hidpp->send_receive_buf;  in hidpp_raw_hidpp_event()
1310 	if (unlikely(mutex_is_locked(&hidpp->send_mutex))) {  in hidpp_raw_hidpp_event()
1318 			hidpp->answer_available = true;  in hidpp_raw_hidpp_event()
1319 			wake_up(&hidpp->wait);  in hidpp_raw_hidpp_event()
1331 		atomic_set(&hidpp->connected,  in hidpp_raw_hidpp_event()
1333 		if ((hidpp->quirks & HIDPP_QUIRK_CONNECT_EVENTS) &&  in hidpp_raw_hidpp_event()
1334 		    (schedule_work(&hidpp->work) == 0))  in hidpp_raw_hidpp_event()
1345 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_raw_event()  local
1356 		ret = hidpp_raw_hidpp_event(hidpp, data, size);  in hidpp_raw_event()
1364 		ret = hidpp_raw_hidpp_event(hidpp, data, size);  in hidpp_raw_event()
1373 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)  in hidpp_raw_event()
1375 	else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560)  in hidpp_raw_event()
1383 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_overwrite_name()  local
1392 		name = hidpp_get_unifying_name(hidpp);  in hidpp_overwrite_name()
1394 		name = hidpp_get_device_name(hidpp);  in hidpp_overwrite_name()
1421 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_allocate_input()  local
1430 	input_dev->name = hidpp->name;  in hidpp_allocate_input()
1442 static void hidpp_connect_event(struct hidpp_device *hidpp)  in hidpp_connect_event()  argument
1444 	struct hid_device *hdev = hidpp->hid_dev;  in hidpp_connect_event()
1446 	bool connected = atomic_read(&hidpp->connected);  in hidpp_connect_event()
1450 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) {  in hidpp_connect_event()
1454 	} else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560) {  in hidpp_connect_event()
1458 	} else if (hidpp->quirks & HIDPP_QUIRK_CLASS_K400) {  in hidpp_connect_event()
1464 	if (!connected || hidpp->delayed_input)  in hidpp_connect_event()
1469 	if (!hidpp->protocol_major) {  in hidpp_connect_event()
1470 		ret = !hidpp_is_connected(hidpp);  in hidpp_connect_event()
1476 			 hidpp->protocol_major, hidpp->protocol_minor);  in hidpp_connect_event()
1479 	if (!(hidpp->quirks & HIDPP_QUIRK_NO_HIDINPUT))  in hidpp_connect_event()
1483 	if (!hidpp->name || hidpp->name == hdev->name) {  in hidpp_connect_event()
1484 		name = hidpp_get_device_name(hidpp);  in hidpp_connect_event()
1496 		hidpp->name = devm_name;  in hidpp_connect_event()
1505 	hidpp_populate_input(hidpp, input, false);  in hidpp_connect_event()
1511 	hidpp->delayed_input = input;  in hidpp_connect_event()
1516 	struct hidpp_device *hidpp;  in hidpp_probe()  local
1521 	hidpp = devm_kzalloc(&hdev->dev, sizeof(struct hidpp_device),  in hidpp_probe()
1523 	if (!hidpp)  in hidpp_probe()
1526 	hidpp->hid_dev = hdev;  in hidpp_probe()
1527 	hidpp->name = hdev->name;  in hidpp_probe()
1528 	hid_set_drvdata(hdev, hidpp);  in hidpp_probe()
1530 	hidpp->quirks = id->driver_data;  in hidpp_probe()
1533 		hidpp->quirks &= ~HIDPP_QUIRK_CLASS_WTP;  in hidpp_probe()
1534 		hidpp->quirks &= ~HIDPP_QUIRK_CONNECT_EVENTS;  in hidpp_probe()
1535 		hidpp->quirks &= ~HIDPP_QUIRK_NO_HIDINPUT;  in hidpp_probe()
1538 	if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) {  in hidpp_probe()
1542 	} else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560) {  in hidpp_probe()
1546 	} else if (hidpp->quirks & HIDPP_QUIRK_CLASS_K400) {  in hidpp_probe()
1552 	INIT_WORK(&hidpp->work, delayed_work_cb);  in hidpp_probe()
1553 	mutex_init(&hidpp->send_mutex);  in hidpp_probe()
1554 	init_waitqueue_head(&hidpp->wait);  in hidpp_probe()
1565 	connected = hidpp_is_connected(hidpp);  in hidpp_probe()
1575 			 hidpp->protocol_major, hidpp->protocol_minor);  in hidpp_probe()
1579 	atomic_set(&hidpp->connected, connected);  in hidpp_probe()
1581 	if (connected && (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)) {  in hidpp_probe()
1582 		ret = wtp_get_config(hidpp);  in hidpp_probe()
1590 	if (hidpp->quirks & HIDPP_QUIRK_NO_HIDINPUT)  in hidpp_probe()
1599 	if (hidpp->quirks & HIDPP_QUIRK_CONNECT_EVENTS) {  in hidpp_probe()
1603 		hidpp_connect_event(hidpp);  in hidpp_probe()
1610 	cancel_work_sync(&hidpp->work);  in hidpp_probe()
1611 	mutex_destroy(&hidpp->send_mutex);  in hidpp_probe()
1619 	struct hidpp_device *hidpp = hid_get_drvdata(hdev);  in hidpp_remove()  local
1621 	cancel_work_sync(&hidpp->work);  in hidpp_remove()
1622 	mutex_destroy(&hidpp->send_mutex);  in hidpp_remove()