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Diffstat (limited to 'driver/fingerprint/elan/elan_sensor_pal.h')
| -rw-r--r-- | driver/fingerprint/elan/elan_sensor_pal.h | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/driver/fingerprint/elan/elan_sensor_pal.h b/driver/fingerprint/elan/elan_sensor_pal.h deleted file mode 100644 index 067b693245..0000000000 --- a/driver/fingerprint/elan/elan_sensor_pal.h +++ /dev/null @@ -1,141 +0,0 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ -/* ELAN Platform Abstraction Layer callbacks */ - -#ifndef ELAN_SENSOR_PAL_H_ -#define ELAN_SENSOR_PAL_H_ - -/* ELAN error codes */ -enum elan_error_code { - ELAN_ERROR_NONE = 0, - ELAN_ERROR_SPI = 1, - ELAN_ERROR_SCAN = 2, - ELAN_ERROR_CAL = 3, - ELAN_ERROR_DEFECT_NUM = 4, - ELAN_ERROR_DEFECT_X = 5, - ELAN_ERROR_DEFECT_Y = 6 -}; - -/* ELAN error info */ -typedef struct { - uint32_t num_defective_pixels; - uint16_t sensor_error_code; -} fp_sensor_info_t; - -/** - * @brief Write fp command to the sensor - * - * @param[in] fp_cmd One byte fp command to write - * - * @return 0 on success. - * negative value on error. - */ -int elan_write_cmd(uint8_t fp_cmd); - -/** - * @brief Read fp register data from the sensor - * - * @param[in] fp_cmd One byte fp command to read - * @param[out] regdata One byte data where register's data will be stored - * - * @return 0 on success. - * negative value on error. - */ -int elan_read_cmd(uint8_t fp_cmd, uint8_t *regdata); - -/** - * @brief Transfers and receives SPI data. - * - * @param[in] tx The buffer to transfer - * @param[in] tx_len The length to transfer - * @param[out] rx The buffer where read data will be stored - * @param[in] rx_len The length to receive - * @return 0 on success. - * negative value on error. - */ -int elan_spi_transaction(uint8_t *tx, int tx_len, uint8_t *rx, int rx_len); - -/** - * @brief Write fp register data to sensor - * - * @param[in] regaddr One byte register address to write - * @param[in] regdata Data to write to register - * - * @return 0 on success. - * negative value on error. - */ -int elan_write_register(uint8_t regaddr, uint8_t regdata); - -/** - * @brief Select sensor RAM page of register - * - * @param[in] page The number of RAM page control registers - * - * @return 0 on success. - * negative value on error. - */ -int elan_write_page(uint8_t page); - -/** - * @brief Write register table to fp sensor - * - * Using a table to write data to sensor register. - * This table contains multiple pairs of address and data to - * be written. - * - * @param[in] reg_table The register address to write - * @param[in] length The data to write to register - * - * @return 0 on success. - * negative value on error. - */ -int elan_write_reg_vector(const uint8_t *reg_table, int length); - -/** - * Get 14bits raw image data from ELAN fingerprint sensor - * - * @param[out] short_raw The memory buffer to receive fingerprint image - * raw data, buffer length is: - * (IMAGE_WIDTH*IMAGE_HEIGHT)*sizeof(uint16_t) - * - * @return 0 on success. - * negative value on error. - */ -int raw_capture(uint16_t *short_raw); - -/** - * Execute calibrate ELAN fingerprint sensor flow. - * - * @return 0 on success. - * negative value on error. - */ -int elan_execute_calibration(void); - -/** - * Execute reset ELAN fingerprint sensor flow. - */ -void elan_execute_reset(void); - -/** - * Runs a test for defective pixels. - * - * @param[out] fp_sensor_info Structure containing output data. - * - * @return 0 on success. - * negative value on error. - */ -int fp_sensor_maintenance(fp_sensor_info_t *fp_sensor_info); - -/** - * @brief Set sensor reset state. - * - * Set sensor reset state. - * - * @param[in] state Reset state. - * true => reset sensor, i.e. low GPIO state - * false => normal operation, i.e. high GPIO state - */ -void __unused elan_sensor_set_rst(bool state); -#endif |