257 static int raydium_i2c_query_ts_info(struct raydium_data *ts)  in raydium_i2c_query_ts_info()  argument
259 	struct i2c_client *client = ts->client;  in raydium_i2c_query_ts_info()
276 		if (ts->report_data && ts->pkg_size != data_info.pkg_size) {  in raydium_i2c_query_ts_info()
279 				 ts->pkg_size, data_info.pkg_size);  in raydium_i2c_query_ts_info()
281 			ts->pkg_size = data_info.pkg_size;  in raydium_i2c_query_ts_info()
282 			ts->report_size = ts->pkg_size - RM_PACKET_CRC_SIZE;  in raydium_i2c_query_ts_info()
285 		ts->contact_size = data_info.tp_info_size;  in raydium_i2c_query_ts_info()
286 		ts->data_bank_addr = le32_to_cpu(data_info.data_bank_addr);  in raydium_i2c_query_ts_info()
290 			ts->data_bank_addr, ts->report_size, ts->contact_size);  in raydium_i2c_query_ts_info()
300 						 &ts->info, sizeof(ts->info));  in raydium_i2c_query_ts_info()
311 static int raydium_i2c_check_fw_status(struct raydium_data *ts)  in raydium_i2c_check_fw_status()  argument
313 	struct i2c_client *client = ts->client;  in raydium_i2c_check_fw_status()
322 			ts->boot_mode = RAYDIUM_TS_BLDR;  in raydium_i2c_check_fw_status()
324 			ts->boot_mode = RAYDIUM_TS_MAIN;  in raydium_i2c_check_fw_status()
331 static int raydium_i2c_initialize(struct raydium_data *ts)  in raydium_i2c_initialize()  argument
333 	struct i2c_client *client = ts->client;  in raydium_i2c_initialize()
340 		error = raydium_i2c_check_fw_status(ts);  in raydium_i2c_initialize()
347 		if (ts->boot_mode == RAYDIUM_TS_BLDR ||  in raydium_i2c_initialize()
348 		    ts->boot_mode == RAYDIUM_TS_MAIN) {  in raydium_i2c_initialize()
354 		ts->boot_mode = RAYDIUM_TS_BLDR;  in raydium_i2c_initialize()
356 	if (ts->boot_mode == RAYDIUM_TS_BLDR) {  in raydium_i2c_initialize()
357 		ts->info.hw_ver = cpu_to_le32(0xffffffffUL);  in raydium_i2c_initialize()
358 		ts->info.main_ver = 0xff;  in raydium_i2c_initialize()
359 		ts->info.sub_ver = 0xff;  in raydium_i2c_initialize()
361 		raydium_i2c_query_ts_info(ts);  in raydium_i2c_initialize()
621 static int raydium_i2c_do_update_firmware(struct raydium_data *ts,  in raydium_i2c_do_update_firmware()  argument
624 	struct i2c_client *client = ts->client;  in raydium_i2c_do_update_firmware()
638 	error = raydium_i2c_check_fw_status(ts);  in raydium_i2c_do_update_firmware()
644 	if (ts->boot_mode == RAYDIUM_TS_MAIN) {  in raydium_i2c_do_update_firmware()
648 				error = raydium_i2c_check_fw_status(ts);  in raydium_i2c_do_update_firmware()
656 				if (ts->boot_mode == RAYDIUM_TS_BLDR)  in raydium_i2c_do_update_firmware()
661 		if (ts->boot_mode == RAYDIUM_TS_MAIN) {  in raydium_i2c_do_update_firmware()
712 	error = raydium_i2c_check_fw_status(ts);  in raydium_i2c_do_update_firmware()
720 	if (ts->boot_mode != RAYDIUM_TS_MAIN) {  in raydium_i2c_do_update_firmware()
742 static int raydium_i2c_fw_update(struct raydium_data *ts)  in raydium_i2c_fw_update()  argument
744 	struct i2c_client *client = ts->client;  in raydium_i2c_fw_update()
750 			    le32_to_cpu(ts->info.hw_ver));  in raydium_i2c_fw_update()
764 	error = raydium_i2c_do_update_firmware(ts, fw);  in raydium_i2c_fw_update()
767 		ts->boot_mode = RAYDIUM_TS_BLDR;  in raydium_i2c_fw_update()
771 	error = raydium_i2c_initialize(ts);  in raydium_i2c_fw_update()
776 		ts->boot_mode = RAYDIUM_TS_BLDR;  in raydium_i2c_fw_update()
780 	ts->boot_mode = RAYDIUM_TS_MAIN;  in raydium_i2c_fw_update()
794 static void raydium_mt_event(struct raydium_data *ts)  in raydium_mt_event()  argument
798 	for (i = 0; i < ts->report_size / ts->contact_size; i++) {  in raydium_mt_event()
799 		u8 *contact = &ts->report_data[ts->contact_size * i];  in raydium_mt_event()
803 		input_mt_slot(ts->input, i);  in raydium_mt_event()
804 		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, state);  in raydium_mt_event()
809 		input_report_abs(ts->input, ABS_MT_POSITION_X,  in raydium_mt_event()
811 		input_report_abs(ts->input, ABS_MT_POSITION_Y,  in raydium_mt_event()
813 		input_report_abs(ts->input, ABS_MT_PRESSURE,  in raydium_mt_event()
819 		input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR, max(wx, wy));  in raydium_mt_event()
820 		input_report_abs(ts->input, ABS_MT_TOUCH_MINOR, min(wx, wy));  in raydium_mt_event()
823 	input_mt_sync_frame(ts->input);  in raydium_mt_event()
824 	input_sync(ts->input);  in raydium_mt_event()
829 	struct raydium_data *ts = _dev;  in raydium_i2c_irq()  local
834 	if (ts->boot_mode != RAYDIUM_TS_MAIN)  in raydium_i2c_irq()
837 	error = raydium_i2c_read_message(ts->client, ts->data_bank_addr,  in raydium_i2c_irq()
838 					 ts->report_data, ts->pkg_size);  in raydium_i2c_irq()
842 	fw_crc = get_unaligned_le16(&ts->report_data[ts->report_size]);  in raydium_i2c_irq()
843 	calc_crc = raydium_calc_chksum(ts->report_data, ts->report_size);  in raydium_i2c_irq()
845 		dev_warn(&ts->client->dev,  in raydium_i2c_irq()
851 	raydium_mt_event(ts);  in raydium_i2c_irq()
861 	struct raydium_data *ts = i2c_get_clientdata(client);  in raydium_i2c_fw_ver_show()  local
863 	return sprintf(buf, "%d.%d\n", ts->info.main_ver, ts->info.sub_ver);  in raydium_i2c_fw_ver_show()
870 	struct raydium_data *ts = i2c_get_clientdata(client);  in raydium_i2c_hw_ver_show()  local
872 	return sprintf(buf, "%#04x\n", le32_to_cpu(ts->info.hw_ver));  in raydium_i2c_hw_ver_show()
880 	struct raydium_data *ts = i2c_get_clientdata(client);  in raydium_i2c_boot_mode_show()  local
883 		       ts->boot_mode == RAYDIUM_TS_MAIN ?  in raydium_i2c_boot_mode_show()
892 	struct raydium_data *ts = i2c_get_clientdata(client);  in raydium_i2c_update_fw_store()  local
895 	error = mutex_lock_interruptible(&ts->sysfs_mutex);  in raydium_i2c_update_fw_store()
899 	error = raydium_i2c_fw_update(ts);  in raydium_i2c_update_fw_store()
901 	mutex_unlock(&ts->sysfs_mutex);  in raydium_i2c_update_fw_store()
911 	struct raydium_data *ts = i2c_get_clientdata(client);  in raydium_i2c_calibrate_store()  local
915 	error = mutex_lock_interruptible(&ts->sysfs_mutex);  in raydium_i2c_calibrate_store()
924 	mutex_unlock(&ts->sysfs_mutex);  in raydium_i2c_calibrate_store()
947 static int raydium_i2c_power_on(struct raydium_data *ts)  in raydium_i2c_power_on()  argument
951 	if (!ts->reset_gpio)  in raydium_i2c_power_on()
954 	gpiod_set_value_cansleep(ts->reset_gpio, 1);  in raydium_i2c_power_on()
956 	error = regulator_enable(ts->avdd);  in raydium_i2c_power_on()
958 		dev_err(&ts->client->dev,  in raydium_i2c_power_on()
963 	error = regulator_enable(ts->vccio);  in raydium_i2c_power_on()
965 		regulator_disable(ts->avdd);  in raydium_i2c_power_on()
966 		dev_err(&ts->client->dev,  in raydium_i2c_power_on()
974 	gpiod_set_value_cansleep(ts->reset_gpio, 0);  in raydium_i2c_power_on()
986 	struct raydium_data *ts = _data;  in raydium_i2c_power_off()  local
988 	if (ts->reset_gpio) {  in raydium_i2c_power_off()
989 		gpiod_set_value_cansleep(ts->reset_gpio, 1);  in raydium_i2c_power_off()
990 		regulator_disable(ts->vccio);  in raydium_i2c_power_off()
991 		regulator_disable(ts->avdd);  in raydium_i2c_power_off()
999 	struct raydium_data *ts;  in raydium_i2c_probe()  local
1008 	ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);  in raydium_i2c_probe()
1009 	if (!ts)  in raydium_i2c_probe()
1012 	mutex_init(&ts->sysfs_mutex);  in raydium_i2c_probe()
1014 	ts->client = client;  in raydium_i2c_probe()
1015 	i2c_set_clientdata(client, ts);  in raydium_i2c_probe()
1017 	ts->avdd = devm_regulator_get(&client->dev, "avdd");  in raydium_i2c_probe()
1018 	if (IS_ERR(ts->avdd)) {  in raydium_i2c_probe()
1019 		error = PTR_ERR(ts->avdd);  in raydium_i2c_probe()
1026 	ts->vccio = devm_regulator_get(&client->dev, "vccio");  in raydium_i2c_probe()
1027 	if (IS_ERR(ts->vccio)) {  in raydium_i2c_probe()
1028 		error = PTR_ERR(ts->vccio);  in raydium_i2c_probe()
1035 	ts->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset",  in raydium_i2c_probe()
1037 	if (IS_ERR(ts->reset_gpio)) {  in raydium_i2c_probe()
1038 		error = PTR_ERR(ts->reset_gpio);  in raydium_i2c_probe()
1045 	error = raydium_i2c_power_on(ts);  in raydium_i2c_probe()
1049 	error = devm_add_action(&client->dev, raydium_i2c_power_off, ts);  in raydium_i2c_probe()
1053 		raydium_i2c_power_off(ts);  in raydium_i2c_probe()
1064 	error = raydium_i2c_initialize(ts);  in raydium_i2c_probe()
1070 	ts->report_data = devm_kmalloc(&client->dev,  in raydium_i2c_probe()
1071 				       ts->pkg_size, GFP_KERNEL);  in raydium_i2c_probe()
1072 	if (!ts->report_data)  in raydium_i2c_probe()
1075 	ts->input = devm_input_allocate_device(&client->dev);  in raydium_i2c_probe()
1076 	if (!ts->input) {  in raydium_i2c_probe()
1081 	ts->input->name = "Raydium Touchscreen";  in raydium_i2c_probe()
1082 	ts->input->id.bustype = BUS_I2C;  in raydium_i2c_probe()
1084 	input_set_abs_params(ts->input, ABS_MT_POSITION_X,  in raydium_i2c_probe()
1085 			     0, le16_to_cpu(ts->info.x_max), 0, 0);  in raydium_i2c_probe()
1086 	input_set_abs_params(ts->input, ABS_MT_POSITION_Y,  in raydium_i2c_probe()
1087 			     0, le16_to_cpu(ts->info.y_max), 0, 0);  in raydium_i2c_probe()
1088 	input_abs_set_res(ts->input, ABS_MT_POSITION_X, ts->info.x_res);  in raydium_i2c_probe()
1089 	input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->info.y_res);  in raydium_i2c_probe()
1091 	input_set_abs_params(ts->input, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);  in raydium_i2c_probe()
1092 	input_set_abs_params(ts->input, ABS_MT_PRESSURE, 0, 255, 0, 0);  in raydium_i2c_probe()
1094 	error = input_mt_init_slots(ts->input, RM_MAX_TOUCH_NUM,  in raydium_i2c_probe()
1102 	error = input_register_device(ts->input);  in raydium_i2c_probe()
1111 					  IRQF_ONESHOT, client->name, ts);  in raydium_i2c_probe()
1143 	struct raydium_data *ts = i2c_get_clientdata(client);  in raydium_i2c_suspend()  local
1146 	if (ts->boot_mode != RAYDIUM_TS_MAIN)  in raydium_i2c_suspend()
1154 		ts->wake_irq_enabled = (enable_irq_wake(client->irq) == 0);  in raydium_i2c_suspend()
1156 		raydium_i2c_power_off(ts);  in raydium_i2c_suspend()
1165 	struct raydium_data *ts = i2c_get_clientdata(client);  in raydium_i2c_resume()  local
1168 		if (ts->wake_irq_enabled)  in raydium_i2c_resume()
1172 		raydium_i2c_power_on(ts);  in raydium_i2c_resume()
1173 		raydium_i2c_initialize(ts);  in raydium_i2c_resume()