138 	struct hid_device *hdev;  member
150 static int rmi_write_report(struct hid_device *hdev, u8 *report, int len);
166 static int rmi_set_page(struct hid_device *hdev, u8 page)  in rmi_set_page()  argument
168 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_set_page()
176 	retval = rmi_write_report(hdev, data->writeReport,  in rmi_set_page()
179 		dev_err(&hdev->dev,  in rmi_set_page()
188 static int rmi_set_mode(struct hid_device *hdev, u8 mode)  in rmi_set_mode()  argument
193 	ret = hid_hw_raw_request(hdev, RMI_SET_RMI_MODE_REPORT_ID, txbuf,  in rmi_set_mode()
196 		dev_err(&hdev->dev, "unable to set rmi mode to %d (%d)\n", mode,  in rmi_set_mode()
204 static int rmi_write_report(struct hid_device *hdev, u8 *report, int len)  in rmi_write_report()  argument
208 	ret = hid_hw_output_report(hdev, (void *)report, len);  in rmi_write_report()
210 		dev_err(&hdev->dev, "failed to write hid report (%d)\n", ret);  in rmi_write_report()
217 static int rmi_read_block(struct hid_device *hdev, u16 addr, void *buf,  in rmi_read_block()  argument
220 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_read_block()
230 		ret = rmi_set_page(hdev, RMI_PAGE(addr));  in rmi_read_block()
245 		ret = rmi_write_report(hdev, data->writeReport,  in rmi_read_block()
249 			dev_err(&hdev->dev,  in rmi_read_block()
261 				hid_warn(hdev, "%s: timeout elapsed\n",  in rmi_read_block()
289 static inline int rmi_read(struct hid_device *hdev, u16 addr, void *buf)  in rmi_read()  argument
291 	return rmi_read_block(hdev, addr, buf, 1);  in rmi_read()
294 static int rmi_write_block(struct hid_device *hdev, u16 addr, void *buf,  in rmi_write_block()  argument
297 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_write_block()
303 		ret = rmi_set_page(hdev, RMI_PAGE(addr));  in rmi_write_block()
314 	ret = rmi_write_report(hdev, data->writeReport,  in rmi_write_block()
317 		dev_err(&hdev->dev,  in rmi_write_block()
329 static inline int rmi_write(struct hid_device *hdev, u16 addr, void *buf)  in rmi_write()  argument
331 	return rmi_write_block(hdev, addr, buf, 1);  in rmi_write()
366 static int rmi_reset_attn_mode(struct hid_device *hdev)  in rmi_reset_attn_mode()  argument
368 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_reset_attn_mode()
371 	ret = rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS);  in rmi_reset_attn_mode()
376 		ret = rmi_write(hdev, data->f01.control_base_addr + 1,  in rmi_reset_attn_mode()
379 			hid_err(hdev, "can not write F01 control register\n");  in rmi_reset_attn_mode()
393 	rmi_reset_attn_mode(hdata->hdev);  in rmi_reset_work()
396 static inline int rmi_schedule_reset(struct hid_device *hdev)  in rmi_schedule_reset()  argument
398 	struct rmi_data *hdata = hid_get_drvdata(hdev);  in rmi_schedule_reset()
402 static int rmi_f11_input_event(struct hid_device *hdev, u8 irq, u8 *data,  in rmi_f11_input_event()  argument
405 	struct rmi_data *hdata = hid_get_drvdata(hdev);  in rmi_f11_input_event()
424 				 dev_driver_string(&hdev->dev),  in rmi_f11_input_event()
425 				 dev_name(&hdev->dev));  in rmi_f11_input_event()
426 			hid_dbg(hdev, "Incomplete finger report\n");  in rmi_f11_input_event()
437 static int rmi_f30_input_event(struct hid_device *hdev, u8 irq, u8 *data,  in rmi_f30_input_event()  argument
440 	struct rmi_data *hdata = hid_get_drvdata(hdev);  in rmi_f30_input_event()
449 		hid_warn(hdev, "Click Button pressed, but the click data is missing\n");  in rmi_f30_input_event()
465 static int rmi_input_event(struct hid_device *hdev, u8 *data, int size)  in rmi_input_event()  argument
467 	struct rmi_data *hdata = hid_get_drvdata(hdev);  in rmi_input_event()
478 		hid_dbg(hdev, "unknown intr source:%02lx %s:%d\n",  in rmi_input_event()
482 		index += rmi_f11_input_event(hdev, data[1], &data[index],  in rmi_input_event()
484 		index += rmi_f30_input_event(hdev, data[1], &data[index],  in rmi_input_event()
487 		index += rmi_f30_input_event(hdev, data[1], &data[index],  in rmi_input_event()
489 		index += rmi_f11_input_event(hdev, data[1], &data[index],  in rmi_input_event()
496 static int rmi_read_data_event(struct hid_device *hdev, u8 *data, int size)  in rmi_read_data_event()  argument
498 	struct rmi_data *hdata = hid_get_drvdata(hdev);  in rmi_read_data_event()
501 		hid_dbg(hdev, "no read request pending\n");  in rmi_read_data_event()
513 static int rmi_check_sanity(struct hid_device *hdev, u8 *data, int size)  in rmi_check_sanity()  argument
529 static int rmi_raw_event(struct hid_device *hdev,  in rmi_raw_event()  argument
532 	size = rmi_check_sanity(hdev, data, size);  in rmi_raw_event()
538 		return rmi_read_data_event(hdev, data, size);  in rmi_raw_event()
540 		return rmi_input_event(hdev, data, size);  in rmi_raw_event()
548 static int rmi_event(struct hid_device *hdev, struct hid_field *field,  in rmi_event()  argument
551 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_event()
565 		rmi_schedule_reset(hdev);  in rmi_event()
573 static int rmi_set_sleep_mode(struct hid_device *hdev, int sleep_mode)  in rmi_set_sleep_mode()  argument
575 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_set_sleep_mode()
581 	ret = rmi_write(hdev, data->f01.control_base_addr,  in rmi_set_sleep_mode()
584 		hid_err(hdev, "can not write sleep mode\n");  in rmi_set_sleep_mode()
591 static int rmi_suspend(struct hid_device *hdev, pm_message_t message)  in rmi_suspend()  argument
593 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_suspend()
597 	ret = rmi_read_block(hdev, data->f11.control_base_addr, buf,  in rmi_suspend()
600 		hid_warn(hdev, "can not read F11 control registers\n");  in rmi_suspend()
605 	if (!device_may_wakeup(hdev->dev.parent))  in rmi_suspend()
606 		return rmi_set_sleep_mode(hdev, RMI_SLEEP_DEEP_SLEEP);  in rmi_suspend()
611 static int rmi_post_reset(struct hid_device *hdev)  in rmi_post_reset()  argument
613 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_post_reset()
616 	ret = rmi_reset_attn_mode(hdev);  in rmi_post_reset()
618 		hid_err(hdev, "can not set rmi mode\n");  in rmi_post_reset()
623 		ret = rmi_write_block(hdev, data->f11.control_base_addr,  in rmi_post_reset()
626 			hid_warn(hdev,  in rmi_post_reset()
630 	if (!device_may_wakeup(hdev->dev.parent)) {  in rmi_post_reset()
631 		ret = rmi_set_sleep_mode(hdev, RMI_SLEEP_NORMAL);  in rmi_post_reset()
633 			hid_err(hdev, "can not write sleep mode\n");  in rmi_post_reset()
641 static int rmi_post_resume(struct hid_device *hdev)  in rmi_post_resume()  argument
643 	return rmi_reset_attn_mode(hdev);  in rmi_post_resume()
703 static int rmi_scan_pdt(struct hid_device *hdev)  in rmi_scan_pdt()  argument
705 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_scan_pdt()
714 	hid_info(hdev, "Scanning PDT...\n");  in rmi_scan_pdt()
723 			retval = rmi_read_block(hdev, i, &entry, sizeof(entry));  in rmi_scan_pdt()
725 				hid_err(hdev,  in rmi_scan_pdt()
736 			hid_info(hdev, "Found F%02X on page %#04x\n",  in rmi_scan_pdt()
747 	hid_info(hdev, "%s: Done with PDT scan.\n", __func__);  in rmi_scan_pdt()
756 static int rmi_populate_f01(struct hid_device *hdev)  in rmi_populate_f01()  argument
758 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_populate_f01()
772 	ret = rmi_read_block(hdev, query_offset, basic_queries,  in rmi_populate_f01()
775 		hid_err(hdev, "Can not read basic queries from Function 0x1.\n");  in rmi_populate_f01()
794 		ret = rmi_read(hdev, query_offset, info);  in rmi_populate_f01()
796 			hid_err(hdev, "Can not read query42.\n");  in rmi_populate_f01()
804 		ret = rmi_read(hdev, query_offset, &ds4_query_len);  in rmi_populate_f01()
806 			hid_err(hdev, "Can not read DS4 Query length.\n");  in rmi_populate_f01()
812 			ret = rmi_read(hdev, query_offset, info);  in rmi_populate_f01()
814 				hid_err(hdev, "Can not read DS4 query.\n");  in rmi_populate_f01()
827 		ret = rmi_read_block(hdev, prod_info_addr, info, 3);  in rmi_populate_f01()
829 			hid_err(hdev, "Can not read product info.\n");  in rmi_populate_f01()
837 	ret = rmi_read_block(hdev, data->f01.control_base_addr, info,  in rmi_populate_f01()
841 		hid_err(hdev, "can not read f01 ctrl registers\n");  in rmi_populate_f01()
857 		ret = rmi_write(hdev, data->f01.control_base_addr + 1,  in rmi_populate_f01()
860 			hid_err(hdev, "can not write to control reg 1: %d.\n",  in rmi_populate_f01()
869 static int rmi_populate_f11(struct hid_device *hdev)  in rmi_populate_f11()  argument
871 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_populate_f11()
891 		hid_err(hdev, "No 2D sensor found, giving up.\n");  in rmi_populate_f11()
896 	ret = rmi_read(hdev, data->f11.query_base_addr, buf);  in rmi_populate_f11()
898 		hid_err(hdev, "can not get query 0: %d.\n", ret);  in rmi_populate_f11()
908 	ret = rmi_read(hdev, data->f11.query_base_addr + 1, buf);  in rmi_populate_f11()
910 		hid_err(hdev, "can not get NumberOfFingers: %d.\n", ret);  in rmi_populate_f11()
921 		hid_err(hdev, "No absolute events, giving up.\n");  in rmi_populate_f11()
928 	ret = rmi_read(hdev, data->f11.query_base_addr + 5, buf);  in rmi_populate_f11()
930 		hid_err(hdev, "can not get absolute data sources: %d.\n", ret);  in rmi_populate_f11()
948 		ret = rmi_read(hdev,  in rmi_populate_f11()
951 			hid_err(hdev, "can not read gesture information: %d.\n",  in rmi_populate_f11()
972 		ret = rmi_read(hdev, data->f11.query_base_addr  in rmi_populate_f11()
975 			hid_err(hdev, "can not get query 12: %d.\n", ret);  in rmi_populate_f11()
982 			ret = rmi_read_block(hdev,  in rmi_populate_f11()
986 				hid_err(hdev, "can not read query 15-18: %d.\n",  in rmi_populate_f11()
997 			hid_info(hdev, "%s: size in mm: %d x %d\n",  in rmi_populate_f11()
1012 		ret = rmi_read(hdev, data->f11.query_base_addr  in rmi_populate_f11()
1015 			hid_err(hdev, "can not get query 28: %d.\n", ret);  in rmi_populate_f11()
1024 		ret = rmi_read(hdev, data->f11.query_base_addr  in rmi_populate_f11()
1027 			hid_err(hdev, "can not get query 36: %d.\n", ret);  in rmi_populate_f11()
1038 	ret = rmi_read_block(hdev, data->f11.control_base_addr,  in rmi_populate_f11()
1041 		hid_err(hdev, "can not read ctrl block of size 11: %d.\n", ret);  in rmi_populate_f11()
1053 		ret = rmi_write(hdev, data->f11.control_base_addr,  in rmi_populate_f11()
1056 			hid_err(hdev, "can not write to control reg 0: %d.\n",  in rmi_populate_f11()
1064 		ret = rmi_write(hdev, data->f11.control_base_addr + 11,  in rmi_populate_f11()
1067 			hid_err(hdev, "can not write to control reg 11: %d.\n",  in rmi_populate_f11()
1076 static int rmi_populate_f30(struct hid_device *hdev)  in rmi_populate_f30()  argument
1078 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_populate_f30()
1089 		hid_err(hdev, "No GPIO/LEDs found, giving up.\n");  in rmi_populate_f30()
1093 	ret = rmi_read_block(hdev, data->f30.query_base_addr, buf, 2);  in rmi_populate_f30()
1095 		hid_err(hdev, "can not get F30 query registers: %d.\n", ret);  in rmi_populate_f30()
1113 	ret = rmi_read_block(hdev, data->f30.control_base_addr + ctrl2_addr,  in rmi_populate_f30()
1116 		hid_err(hdev, "can not read ctrl 2&3 block of size %d: %d.\n",  in rmi_populate_f30()
1144 static int rmi_populate(struct hid_device *hdev)  in rmi_populate()  argument
1146 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_populate()
1149 	ret = rmi_scan_pdt(hdev);  in rmi_populate()
1151 		hid_err(hdev, "PDT scan failed with code %d.\n", ret);  in rmi_populate()
1155 	ret = rmi_populate_f01(hdev);  in rmi_populate()
1157 		hid_err(hdev, "Error while initializing F01 (%d).\n", ret);  in rmi_populate()
1161 	ret = rmi_populate_f11(hdev);  in rmi_populate()
1163 		hid_err(hdev, "Error while initializing F11 (%d).\n", ret);  in rmi_populate()
1168 		ret = rmi_populate_f30(hdev);  in rmi_populate()
1170 			hid_warn(hdev, "Error while initializing F30 (%d).\n", ret);  in rmi_populate()
1176 static int rmi_input_configured(struct hid_device *hdev, struct hid_input *hi)  in rmi_input_configured()  argument
1178 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_input_configured()
1185 	hid_dbg(hdev, "Opening low level driver\n");  in rmi_input_configured()
1186 	ret = hid_hw_open(hdev);  in rmi_input_configured()
1194 	hid_device_io_start(hdev);  in rmi_input_configured()
1196 	ret = rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS);  in rmi_input_configured()
1198 		dev_err(&hdev->dev, "failed to set rmi mode\n");  in rmi_input_configured()
1202 	ret = rmi_set_page(hdev, 0);  in rmi_input_configured()
1204 		dev_err(&hdev->dev, "failed to set page select to 0.\n");  in rmi_input_configured()
1208 	ret = rmi_populate(hdev);  in rmi_input_configured()
1212 	hid_info(hdev, "firmware id: %ld\n", data->firmware_id);  in rmi_input_configured()
1247 	hid_device_io_stop(hdev);  in rmi_input_configured()
1248 	hid_hw_close(hdev);  in rmi_input_configured()
1252 static int rmi_input_mapping(struct hid_device *hdev,  in rmi_input_mapping()  argument
1256 	struct rmi_data *data = hid_get_drvdata(hdev);  in rmi_input_mapping()
1273 static int rmi_check_valid_report_id(struct hid_device *hdev, unsigned type,  in rmi_check_valid_report_id()  argument
1278 	*report = hdev->report_enum[type].report_id_hash[id];  in rmi_check_valid_report_id()
1290 static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)  in rmi_probe()  argument
1299 	data = devm_kzalloc(&hdev->dev, sizeof(struct rmi_data), GFP_KERNEL);  in rmi_probe()
1304 	data->hdev = hdev;  in rmi_probe()
1306 	hid_set_drvdata(hdev, data);  in rmi_probe()
1308 	hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;  in rmi_probe()
1310 	ret = hid_parse(hdev);  in rmi_probe()
1312 		hid_err(hdev, "parse failed\n");  in rmi_probe()
1323 	if (!rmi_check_valid_report_id(hdev, HID_FEATURE_REPORT,  in rmi_probe()
1325 		hid_dbg(hdev, "device does not have set mode feature report\n");  in rmi_probe()
1329 	if (!rmi_check_valid_report_id(hdev, HID_INPUT_REPORT,  in rmi_probe()
1331 		hid_dbg(hdev, "device does not have attention input report\n");  in rmi_probe()
1337 	if (!rmi_check_valid_report_id(hdev, HID_OUTPUT_REPORT,  in rmi_probe()
1339 		hid_dbg(hdev,  in rmi_probe()
1349 	data->writeReport = devm_kzalloc(&hdev->dev, alloc_size, GFP_KERNEL);  in rmi_probe()
1362 	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);  in rmi_probe()
1364 		hid_err(hdev, "hw start failed\n");  in rmi_probe()
1377 		hid_err(hdev, "Device failed to be properly configured\n");  in rmi_probe()
1382 static void rmi_remove(struct hid_device *hdev)  in rmi_remove()  argument
1384 	struct rmi_data *hdata = hid_get_drvdata(hdev);  in rmi_remove()
1388 	hid_hw_stop(hdev);  in rmi_remove()