67 static int elan_i2c_read_block(struct i2c_client *client,  in elan_i2c_read_block()  argument
75 			.addr = client->addr,  in elan_i2c_read_block()
76 			.flags = client->flags & I2C_M_TEN,  in elan_i2c_read_block()
81 			.addr = client->addr,  in elan_i2c_read_block()
82 			.flags = (client->flags & I2C_M_TEN) | I2C_M_RD,  in elan_i2c_read_block()
89 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));  in elan_i2c_read_block()
93 static int elan_i2c_read_cmd(struct i2c_client *client, u16 reg, u8 *val)  in elan_i2c_read_cmd()  argument
97 	retval = elan_i2c_read_block(client, reg, val, ETP_I2C_INF_LENGTH);  in elan_i2c_read_cmd()
99 		dev_err(&client->dev, "reading cmd (0x%04x) fail.\n", reg);  in elan_i2c_read_cmd()
106 static int elan_i2c_write_cmd(struct i2c_client *client, u16 reg, u16 cmd)  in elan_i2c_write_cmd()  argument
113 		.addr = client->addr,  in elan_i2c_write_cmd()
114 		.flags = client->flags & I2C_M_TEN,  in elan_i2c_write_cmd()
120 	ret = i2c_transfer(client->adapter, &msg, 1);  in elan_i2c_write_cmd()
124 		dev_err(&client->dev, "writing cmd (0x%04x) failed: %d\n",  in elan_i2c_write_cmd()
132 static int elan_i2c_initialize(struct i2c_client *client)  in elan_i2c_initialize()  argument
134 	struct device *dev = &client->dev;  in elan_i2c_initialize()
138 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);  in elan_i2c_initialize()
148 	error = i2c_master_recv(client, val, ETP_I2C_INF_LENGTH);  in elan_i2c_initialize()
154 	error = elan_i2c_read_block(client, ETP_I2C_DESC_CMD,  in elan_i2c_initialize()
161 	error = elan_i2c_read_block(client, ETP_I2C_REPORT_DESC_CMD,  in elan_i2c_initialize()
171 static int elan_i2c_sleep_control(struct i2c_client *client, bool sleep)  in elan_i2c_sleep_control()  argument
173 	return elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD,  in elan_i2c_sleep_control()
177 static int elan_i2c_power_control(struct i2c_client *client, bool enable)  in elan_i2c_power_control()  argument
183 	error = elan_i2c_read_cmd(client, ETP_I2C_POWER_CMD, val);  in elan_i2c_power_control()
185 		dev_err(&client->dev,  in elan_i2c_power_control()
197 	error = elan_i2c_write_cmd(client, ETP_I2C_POWER_CMD, reg);  in elan_i2c_power_control()
199 		dev_err(&client->dev,  in elan_i2c_power_control()
208 static int elan_i2c_set_mode(struct i2c_client *client, u8 mode)  in elan_i2c_set_mode()  argument
210 	return elan_i2c_write_cmd(client, ETP_I2C_SET_CMD, mode);  in elan_i2c_set_mode()
214 static int elan_i2c_calibrate(struct i2c_client *client)  in elan_i2c_calibrate()  argument
216 	return elan_i2c_write_cmd(client, ETP_I2C_CALIBRATE_CMD, 1);  in elan_i2c_calibrate()
219 static int elan_i2c_calibrate_result(struct i2c_client *client, u8 *val)  in elan_i2c_calibrate_result()  argument
221 	return elan_i2c_read_block(client, ETP_I2C_CALIBRATE_CMD, val, 1);  in elan_i2c_calibrate_result()
224 static int elan_i2c_get_baseline_data(struct i2c_client *client,  in elan_i2c_get_baseline_data()  argument
230 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_baseline_data()
242 static int elan_i2c_get_version(struct i2c_client *client,  in elan_i2c_get_version()  argument
248 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_version()
253 		dev_err(&client->dev, "failed to get %s version: %d\n",  in elan_i2c_get_version()
262 static int elan_i2c_get_sm_version(struct i2c_client *client,  in elan_i2c_get_sm_version()  argument
268 	error = elan_i2c_read_cmd(client, ETP_I2C_SM_VERSION_CMD, val);  in elan_i2c_get_sm_version()
270 		dev_err(&client->dev, "failed to get SM version: %d\n", error);  in elan_i2c_get_sm_version()
279 static int elan_i2c_get_product_id(struct i2c_client *client, u16 *id)  in elan_i2c_get_product_id()  argument
284 	error = elan_i2c_read_cmd(client, ETP_I2C_UNIQUEID_CMD, val);  in elan_i2c_get_product_id()
286 		dev_err(&client->dev, "failed to get product ID: %d\n", error);  in elan_i2c_get_product_id()
294 static int elan_i2c_get_checksum(struct i2c_client *client,  in elan_i2c_get_checksum()  argument
300 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_checksum()
305 		dev_err(&client->dev, "failed to get %s checksum: %d\n",  in elan_i2c_get_checksum()
314 static int elan_i2c_get_max(struct i2c_client *client,  in elan_i2c_get_max()  argument
320 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_X_AXIS_CMD, val);  in elan_i2c_get_max()
322 		dev_err(&client->dev, "failed to get X dimension: %d\n", error);  in elan_i2c_get_max()
328 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_Y_AXIS_CMD, val);  in elan_i2c_get_max()
330 		dev_err(&client->dev, "failed to get Y dimension: %d\n", error);  in elan_i2c_get_max()
339 static int elan_i2c_get_resolution(struct i2c_client *client,  in elan_i2c_get_resolution()  argument
345 	error = elan_i2c_read_cmd(client, ETP_I2C_RESOLUTION_CMD, val);  in elan_i2c_get_resolution()
347 		dev_err(&client->dev, "failed to get resolution: %d\n", error);  in elan_i2c_get_resolution()
357 static int elan_i2c_get_num_traces(struct i2c_client *client,  in elan_i2c_get_num_traces()  argument
364 	error = elan_i2c_read_cmd(client, ETP_I2C_XY_TRACENUM_CMD, val);  in elan_i2c_get_num_traces()
366 		dev_err(&client->dev, "failed to get trace info: %d\n", error);  in elan_i2c_get_num_traces()
376 static int elan_i2c_get_pressure_adjustment(struct i2c_client *client,  in elan_i2c_get_pressure_adjustment()  argument
382 	error = elan_i2c_read_cmd(client, ETP_I2C_PRESSURE_CMD, val);  in elan_i2c_get_pressure_adjustment()
384 		dev_err(&client->dev, "failed to get pressure format: %d\n",  in elan_i2c_get_pressure_adjustment()
397 static int elan_i2c_iap_get_mode(struct i2c_client *client, enum tp_mode *mode)  in elan_i2c_iap_get_mode()  argument
403 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_iap_get_mode()
405 		dev_err(&client->dev,  in elan_i2c_iap_get_mode()
412 	dev_dbg(&client->dev, "iap control reg: 0x%04x.\n", constant);  in elan_i2c_iap_get_mode()
419 static int elan_i2c_iap_reset(struct i2c_client *client)  in elan_i2c_iap_reset()  argument
423 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_RESET_CMD,  in elan_i2c_iap_reset()
426 		dev_err(&client->dev, "cannot reset IC: %d\n", error);  in elan_i2c_iap_reset()
433 static int elan_i2c_set_flash_key(struct i2c_client *client)  in elan_i2c_set_flash_key()  argument
437 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_CMD,  in elan_i2c_set_flash_key()
440 		dev_err(&client->dev, "cannot set flash key: %d\n", error);  in elan_i2c_set_flash_key()
447 static int elan_i2c_prepare_fw_update(struct i2c_client *client)  in elan_i2c_prepare_fw_update()  argument
449 	struct device *dev = &client->dev;  in elan_i2c_prepare_fw_update()
456 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
462 		error = elan_i2c_iap_reset(client);  in elan_i2c_prepare_fw_update()
470 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
478 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
488 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
496 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CMD, val);  in elan_i2c_prepare_fw_update()
512 static int elan_i2c_write_fw_block(struct i2c_client *client,  in elan_i2c_write_fw_block()  argument
515 	struct device *dev = &client->dev;  in elan_i2c_write_fw_block()
527 	ret = i2c_master_send(client, page_store, sizeof(page_store));  in elan_i2c_write_fw_block()
537 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_write_fw_block()
553 static int elan_i2c_finish_fw_update(struct i2c_client *client,  in elan_i2c_finish_fw_update()  argument
556 	struct device *dev = &client->dev;  in elan_i2c_finish_fw_update()
563 	enable_irq(client->irq);  in elan_i2c_finish_fw_update()
565 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);  in elan_i2c_finish_fw_update()
569 	disable_irq(client->irq);  in elan_i2c_finish_fw_update()
583 	len = i2c_master_recv(client, buffer, ETP_I2C_INF_LENGTH);  in elan_i2c_finish_fw_update()
594 static int elan_i2c_get_report(struct i2c_client *client, u8 *report)  in elan_i2c_get_report()  argument
598 	len = i2c_master_recv(client, report, ETP_I2C_REPORT_LEN);  in elan_i2c_get_report()
600 		dev_err(&client->dev, "failed to read report data: %d\n", len);  in elan_i2c_get_report()
605 		dev_err(&client->dev,  in elan_i2c_get_report()