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_pattern(struct i2c_client *client, u8 *pattern)  in elan_i2c_get_pattern()  argument
247 	error = elan_i2c_read_cmd(client, ETP_I2C_PATTERN_CMD, val);  in elan_i2c_get_pattern()
249 		dev_err(&client->dev, "failed to get pattern: %d\n", error);  in elan_i2c_get_pattern()
257 static int elan_i2c_get_version(struct i2c_client *client,  in elan_i2c_get_version()  argument
264 	error = elan_i2c_get_pattern(client, &pattern_ver);  in elan_i2c_get_version()
266 		dev_err(&client->dev, "failed to get pattern version\n");  in elan_i2c_get_version()
270 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_version()
275 		dev_err(&client->dev, "failed to get %s version: %d\n",  in elan_i2c_get_version()
287 static int elan_i2c_get_sm_version(struct i2c_client *client,  in elan_i2c_get_sm_version()  argument
295 	error = elan_i2c_get_pattern(client, &pattern_ver);  in elan_i2c_get_sm_version()
297 		dev_err(&client->dev, "failed to get pattern version\n");  in elan_i2c_get_sm_version()
302 		error = elan_i2c_read_cmd(client, ETP_I2C_IC_TYPE_CMD, val);  in elan_i2c_get_sm_version()
304 			dev_err(&client->dev, "failed to get ic type: %d\n",  in elan_i2c_get_sm_version()
310 		error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,  in elan_i2c_get_sm_version()
313 			dev_err(&client->dev, "failed to get SM version: %d\n",  in elan_i2c_get_sm_version()
320 		error = elan_i2c_read_cmd(client, ETP_I2C_OSM_VERSION_CMD, val);  in elan_i2c_get_sm_version()
322 			dev_err(&client->dev, "failed to get SM version: %d\n",  in elan_i2c_get_sm_version()
329 		error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,  in elan_i2c_get_sm_version()
332 			dev_err(&client->dev, "failed to get SM version: %d\n",  in elan_i2c_get_sm_version()
342 static int elan_i2c_get_product_id(struct i2c_client *client, u16 *id)  in elan_i2c_get_product_id()  argument
347 	error = elan_i2c_read_cmd(client, ETP_I2C_UNIQUEID_CMD, val);  in elan_i2c_get_product_id()
349 		dev_err(&client->dev, "failed to get product ID: %d\n", error);  in elan_i2c_get_product_id()
357 static int elan_i2c_get_checksum(struct i2c_client *client,  in elan_i2c_get_checksum()  argument
363 	error = elan_i2c_read_cmd(client,  in elan_i2c_get_checksum()
368 		dev_err(&client->dev, "failed to get %s checksum: %d\n",  in elan_i2c_get_checksum()
377 static int elan_i2c_get_max(struct i2c_client *client,  in elan_i2c_get_max()  argument
383 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_X_AXIS_CMD, val);  in elan_i2c_get_max()
385 		dev_err(&client->dev, "failed to get X dimension: %d\n", error);  in elan_i2c_get_max()
391 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_Y_AXIS_CMD, val);  in elan_i2c_get_max()
393 		dev_err(&client->dev, "failed to get Y dimension: %d\n", error);  in elan_i2c_get_max()
402 static int elan_i2c_get_resolution(struct i2c_client *client,  in elan_i2c_get_resolution()  argument
408 	error = elan_i2c_read_cmd(client, ETP_I2C_RESOLUTION_CMD, val);  in elan_i2c_get_resolution()
410 		dev_err(&client->dev, "failed to get resolution: %d\n", error);  in elan_i2c_get_resolution()
420 static int elan_i2c_get_num_traces(struct i2c_client *client,  in elan_i2c_get_num_traces()  argument
427 	error = elan_i2c_read_cmd(client, ETP_I2C_XY_TRACENUM_CMD, val);  in elan_i2c_get_num_traces()
429 		dev_err(&client->dev, "failed to get trace info: %d\n", error);  in elan_i2c_get_num_traces()
439 static int elan_i2c_get_pressure_adjustment(struct i2c_client *client,  in elan_i2c_get_pressure_adjustment()  argument
445 	error = elan_i2c_read_cmd(client, ETP_I2C_PRESSURE_CMD, val);  in elan_i2c_get_pressure_adjustment()
447 		dev_err(&client->dev, "failed to get pressure format: %d\n",  in elan_i2c_get_pressure_adjustment()
460 static int elan_i2c_iap_get_mode(struct i2c_client *client, enum tp_mode *mode)  in elan_i2c_iap_get_mode()  argument
466 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_iap_get_mode()
468 		dev_err(&client->dev,  in elan_i2c_iap_get_mode()
475 	dev_dbg(&client->dev, "iap control reg: 0x%04x.\n", constant);  in elan_i2c_iap_get_mode()
482 static int elan_i2c_iap_reset(struct i2c_client *client)  in elan_i2c_iap_reset()  argument
486 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_RESET_CMD,  in elan_i2c_iap_reset()
489 		dev_err(&client->dev, "cannot reset IC: %d\n", error);  in elan_i2c_iap_reset()
496 static int elan_i2c_set_flash_key(struct i2c_client *client)  in elan_i2c_set_flash_key()  argument
500 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_CMD,  in elan_i2c_set_flash_key()
503 		dev_err(&client->dev, "cannot set flash key: %d\n", error);  in elan_i2c_set_flash_key()
510 static int elan_i2c_prepare_fw_update(struct i2c_client *client)  in elan_i2c_prepare_fw_update()  argument
512 	struct device *dev = &client->dev;  in elan_i2c_prepare_fw_update()
519 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
525 		error = elan_i2c_iap_reset(client);  in elan_i2c_prepare_fw_update()
533 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
541 	error = elan_i2c_iap_get_mode(client, &mode);  in elan_i2c_prepare_fw_update()
551 	error = elan_i2c_set_flash_key(client);  in elan_i2c_prepare_fw_update()
559 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CMD, val);  in elan_i2c_prepare_fw_update()
575 static int elan_i2c_write_fw_block(struct i2c_client *client,  in elan_i2c_write_fw_block()  argument
578 	struct device *dev = &client->dev;  in elan_i2c_write_fw_block()
590 	ret = i2c_master_send(client, page_store, sizeof(page_store));  in elan_i2c_write_fw_block()
600 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);  in elan_i2c_write_fw_block()
616 static int elan_i2c_finish_fw_update(struct i2c_client *client,  in elan_i2c_finish_fw_update()  argument
619 	struct device *dev = &client->dev;  in elan_i2c_finish_fw_update()
624 	len = i2c_master_recv(client, buffer, ETP_I2C_REPORT_LEN);  in elan_i2c_finish_fw_update()
632 	enable_irq(client->irq);  in elan_i2c_finish_fw_update()
634 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);  in elan_i2c_finish_fw_update()
643 	disable_irq(client->irq);  in elan_i2c_finish_fw_update()
648 	len = i2c_master_recv(client, buffer, ETP_I2C_INF_LENGTH);  in elan_i2c_finish_fw_update()
659 static int elan_i2c_get_report(struct i2c_client *client, u8 *report)  in elan_i2c_get_report()  argument
663 	len = i2c_master_recv(client, report, ETP_I2C_REPORT_LEN);  in elan_i2c_get_report()
665 		dev_err(&client->dev, "failed to read report data: %d\n", len);  in elan_i2c_get_report()
670 		dev_err(&client->dev,  in elan_i2c_get_report()