179 	struct i2c_client		*client;  member
187 static int wdt87xx_i2c_xfer(struct i2c_client *client,  in wdt87xx_i2c_xfer()  argument
193 			.addr	= client->addr,  in wdt87xx_i2c_xfer()
199 			.addr	= client->addr,  in wdt87xx_i2c_xfer()
208 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));  in wdt87xx_i2c_xfer()
211 		dev_err(&client->dev, "%s: i2c transfer failed: %d\n",  in wdt87xx_i2c_xfer()
219 static int wdt87xx_get_desc(struct i2c_client *client, u8 desc_idx,  in wdt87xx_get_desc()  argument
227 	error = wdt87xx_i2c_xfer(client, tx_buf, sizeof(tx_buf),  in wdt87xx_get_desc()
230 		dev_err(&client->dev, "get desc failed: %d\n", error);  in wdt87xx_get_desc()
235 		dev_err(&client->dev, "unexpected response to get desc: %d\n",  in wdt87xx_get_desc()
245 static int wdt87xx_get_string(struct i2c_client *client, u8 str_idx,  in wdt87xx_get_string()  argument
256 	error = wdt87xx_i2c_xfer(client, tx_buf, sizeof(tx_buf),  in wdt87xx_get_string()
259 		dev_err(&client->dev, "get string failed: %d\n", error);  in wdt87xx_get_string()
264 		dev_err(&client->dev, "unexpected response to get string: %d\n",  in wdt87xx_get_string()
277 static int wdt87xx_get_feature(struct i2c_client *client,  in wdt87xx_get_feature()  argument
303 	error = wdt87xx_i2c_xfer(client, tx_buf, tx_len, rx_buf, rx_len);  in wdt87xx_get_feature()
305 		dev_err(&client->dev, "get feature failed: %d\n", error);  in wdt87xx_get_feature()
317 static int wdt87xx_set_feature(struct i2c_client *client,  in wdt87xx_set_feature()  argument
346 	error = i2c_master_send(client, tx_buf, tx_len);  in wdt87xx_set_feature()
348 		dev_err(&client->dev, "set feature failed: %d\n", error);  in wdt87xx_set_feature()
357 static int wdt87xx_send_command(struct i2c_client *client, int cmd, int value)  in wdt87xx_send_command()  argument
390 		dev_err(&client->dev, "Invalid command: %d\n", cmd);  in wdt87xx_send_command()
394 	return wdt87xx_set_feature(client, cmd_buf, sizeof(cmd_buf));  in wdt87xx_send_command()
397 static int wdt87xx_sw_reset(struct i2c_client *client)  in wdt87xx_sw_reset()  argument
401 	dev_dbg(&client->dev, "resetting device now\n");  in wdt87xx_sw_reset()
403 	error = wdt87xx_send_command(client, VND_CMD_RESET, 0);  in wdt87xx_sw_reset()
405 		dev_err(&client->dev, "reset failed\n");  in wdt87xx_sw_reset()
434 static int wdt87xx_get_sysparam(struct i2c_client *client,  in wdt87xx_get_sysparam()  argument
440 	error = wdt87xx_get_desc(client, WDT_GD_DEVICE, buf, 18);  in wdt87xx_get_sysparam()
442 		dev_err(&client->dev, "failed to get device desc\n");  in wdt87xx_get_sysparam()
449 	error = wdt87xx_get_string(client, STRIDX_PARAMETERS, buf, 34);  in wdt87xx_get_sysparam()
451 		dev_err(&client->dev, "failed to get parameters\n");  in wdt87xx_get_sysparam()
470 	error = wdt87xx_get_string(client, STRIDX_PLATFORM_ID, buf, 8);  in wdt87xx_get_sysparam()
472 		dev_err(&client->dev, "failed to get platform id\n");  in wdt87xx_get_sysparam()
479 	error = wdt87xx_get_feature(client, buf, 16);  in wdt87xx_get_sysparam()
481 		dev_err(&client->dev, "failed to get firmware id\n");  in wdt87xx_get_sysparam()
486 		dev_err(&client->dev, "wrong id of fw response: 0x%x\n",  in wdt87xx_get_sysparam()
493 	dev_info(&client->dev,  in wdt87xx_get_sysparam()
513 		dev_err(&wdt->client->dev, "check fw tag failed\n");  in wdt87xx_validate_firmware()
519 		dev_err(&wdt->client->dev,  in wdt87xx_validate_firmware()
531 		dev_err(&wdt->client->dev,  in wdt87xx_validate_firmware()
541 		dev_err(&wdt->client->dev,  in wdt87xx_validate_firmware()
563 static int wdt87xx_write_data(struct i2c_client *client, const char *data,  in wdt87xx_write_data()  argument
573 		dev_err(&client->dev,  in wdt87xx_write_data()
588 		error = wdt87xx_set_feature(client, pkt_buf, sizeof(pkt_buf));  in wdt87xx_write_data()
641 static int wdt87xx_get_checksum(struct i2c_client *client, u16 *checksum,  in wdt87xx_get_checksum()  argument
649 	error = wdt87xx_send_command(client, VND_SET_CHECKSUM_LENGTH, length);  in wdt87xx_get_checksum()
651 		dev_err(&client->dev, "failed to set checksum length\n");  in wdt87xx_get_checksum()
655 	error = wdt87xx_send_command(client, VND_SET_CHECKSUM_CALC, address);  in wdt87xx_get_checksum()
657 		dev_err(&client->dev, "failed to set checksum address\n");  in wdt87xx_get_checksum()
668 	error = wdt87xx_set_feature(client, cmd_buf, sizeof(cmd_buf));  in wdt87xx_get_checksum()
670 		dev_err(&client->dev, "failed to request checksum\n");  in wdt87xx_get_checksum()
676 	error = wdt87xx_get_feature(client, pkt_buf, sizeof(pkt_buf));  in wdt87xx_get_checksum()
678 		dev_err(&client->dev, "failed to read checksum\n");  in wdt87xx_get_checksum()
686 static int wdt87xx_write_firmware(struct i2c_client *client, const void *chunk)  in wdt87xx_write_firmware()  argument
697 	dev_dbg(&client->dev, "start 4k page program\n");  in wdt87xx_write_firmware()
699 	error = wdt87xx_send_command(client, VND_CMD_STOP, MODE_STOP);  in wdt87xx_write_firmware()
701 		dev_err(&client->dev, "stop report mode failed\n");  in wdt87xx_write_firmware()
705 	error = wdt87xx_send_command(client, VND_CMD_SFUNL, 0);  in wdt87xx_write_firmware()
707 		dev_err(&client->dev, "unlock failed\n");  in wdt87xx_write_firmware()
714 		dev_dbg(&client->dev, "%s: %x, %x\n", __func__,  in wdt87xx_write_firmware()
721 			error = wdt87xx_send_command(client, VND_CMD_ERASE,  in wdt87xx_write_firmware()
724 				dev_err(&client->dev,  in wdt87xx_write_firmware()
731 			error = wdt87xx_write_data(client, data, start_addr,  in wdt87xx_write_firmware()
734 				dev_err(&client->dev,  in wdt87xx_write_firmware()
740 			error = wdt87xx_get_checksum(client, &device_checksum,  in wdt87xx_write_firmware()
743 				dev_err(&client->dev,  in wdt87xx_write_firmware()
755 			dev_err(&client->dev,  in wdt87xx_write_firmware()
761 			dev_err(&client->dev, "page write failed\n");  in wdt87xx_write_firmware()
771 	err1 = wdt87xx_send_command(client, VND_CMD_SFLCK, 0);  in wdt87xx_write_firmware()
773 		dev_err(&client->dev, "lock failed\n");  in wdt87xx_write_firmware()
778 	err1 = wdt87xx_send_command(client, VND_CMD_START, 0);  in wdt87xx_write_firmware()
780 		dev_err(&client->dev, "start to report failed\n");  in wdt87xx_write_firmware()
785 static int wdt87xx_load_chunk(struct i2c_client *client,  in wdt87xx_load_chunk()  argument
793 		dev_err(&client->dev, "unable to locate chunk (type %d)\n",  in wdt87xx_load_chunk()
800 		dev_err(&client->dev, "invalid chunk (type %d): %d\n",  in wdt87xx_load_chunk()
805 	error = wdt87xx_write_firmware(client, chunk);  in wdt87xx_load_chunk()
807 		dev_err(&client->dev,  in wdt87xx_load_chunk()
816 static int wdt87xx_do_update_firmware(struct i2c_client *client,  in wdt87xx_do_update_firmware()  argument
820 	struct wdt87xx_data *wdt = i2c_get_clientdata(client);  in wdt87xx_do_update_firmware()
831 	disable_irq(client->irq);  in wdt87xx_do_update_firmware()
833 	error = wdt87xx_load_chunk(client, fw, chunk_id);  in wdt87xx_do_update_firmware()
835 		dev_err(&client->dev,  in wdt87xx_do_update_firmware()
841 	error = wdt87xx_sw_reset(client);  in wdt87xx_do_update_firmware()
843 		dev_err(&client->dev, "soft reset failed: %d\n", error);  in wdt87xx_do_update_firmware()
848 	error = wdt87xx_get_sysparam(client, &wdt->param);  in wdt87xx_do_update_firmware()
850 		dev_err(&client->dev,  in wdt87xx_do_update_firmware()
853 	enable_irq(client->irq);  in wdt87xx_do_update_firmware()
862 	struct i2c_client *client = to_i2c_client(dev);  in wdt87xx_update_firmware()  local
868 		dev_err(&client->dev, "unable to retrieve firmware %s: %d\n",  in wdt87xx_update_firmware()
873 	error = wdt87xx_do_update_firmware(client, fw, chunk_id);  in wdt87xx_update_firmware()
883 	struct i2c_client *client = to_i2c_client(dev);  in config_csum_show()  local
884 	struct wdt87xx_data *wdt = i2c_get_clientdata(client);  in config_csum_show()
896 	struct i2c_client *client = to_i2c_client(dev);  in fw_version_show()  local
897 	struct wdt87xx_data *wdt = i2c_get_clientdata(client);  in fw_version_show()
905 	struct i2c_client *client = to_i2c_client(dev);  in plat_id_show()  local
906 	struct wdt87xx_data *wdt = i2c_get_clientdata(client);  in plat_id_show()
996 	struct i2c_client *client = wdt->client;  in wdt87xx_ts_interrupt()  local
1001 	error = i2c_master_recv(client, raw_buf, WDT_V1_RAW_BUF_COUNT);  in wdt87xx_ts_interrupt()
1003 		dev_err(&client->dev, "read v1 raw data failed: %d\n", error);  in wdt87xx_ts_interrupt()
1026 	struct device *dev = &wdt->client->dev;  in wdt87xx_ts_create_input_device()
1067 static int wdt87xx_ts_probe(struct i2c_client *client,  in wdt87xx_ts_probe()  argument
1073 	dev_dbg(&client->dev, "adapter=%d, client irq: %d\n",  in wdt87xx_ts_probe()
1074 		client->adapter->nr, client->irq);  in wdt87xx_ts_probe()
1077 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))  in wdt87xx_ts_probe()
1080 	wdt = devm_kzalloc(&client->dev, sizeof(*wdt), GFP_KERNEL);  in wdt87xx_ts_probe()
1084 	wdt->client = client;  in wdt87xx_ts_probe()
1086 	i2c_set_clientdata(client, wdt);  in wdt87xx_ts_probe()
1089 		 client->adapter->nr, client->addr);  in wdt87xx_ts_probe()
1091 	error = wdt87xx_get_sysparam(client, &wdt->param);  in wdt87xx_ts_probe()
1099 	error = devm_request_threaded_irq(&client->dev, client->irq,  in wdt87xx_ts_probe()
1102 					  client->name, wdt);  in wdt87xx_ts_probe()
1104 		dev_err(&client->dev, "request irq failed: %d\n", error);  in wdt87xx_ts_probe()
1108 	error = sysfs_create_group(&client->dev.kobj, &wdt87xx_attr_group);  in wdt87xx_ts_probe()
1110 		dev_err(&client->dev, "create sysfs failed: %d\n", error);  in wdt87xx_ts_probe()
1117 static int wdt87xx_ts_remove(struct i2c_client *client)  in wdt87xx_ts_remove()  argument
1119 	sysfs_remove_group(&client->dev.kobj, &wdt87xx_attr_group);  in wdt87xx_ts_remove()
1126 	struct i2c_client *client = to_i2c_client(dev);  in wdt87xx_suspend()  local
1129 	disable_irq(client->irq);  in wdt87xx_suspend()
1131 	error = wdt87xx_send_command(client, VND_CMD_STOP, MODE_IDLE);  in wdt87xx_suspend()
1133 		enable_irq(client->irq);  in wdt87xx_suspend()
1134 		dev_err(&client->dev,  in wdt87xx_suspend()
1145 	struct i2c_client *client = to_i2c_client(dev);  in wdt87xx_resume()  local
1154 	error = wdt87xx_send_command(client, VND_CMD_START, 0);  in wdt87xx_resume()
1156 		dev_err(&client->dev,  in wdt87xx_resume()
1160 	enable_irq(client->irq);  in wdt87xx_resume()