diff options
Diffstat (limited to 'driver/fingerprint/elan/elan_private.c')
| -rw-r--r-- | driver/fingerprint/elan/elan_private.c | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/driver/fingerprint/elan/elan_private.c b/driver/fingerprint/elan/elan_private.c deleted file mode 100644 index 555ad14ba0..0000000000 --- a/driver/fingerprint/elan/elan_private.c +++ /dev/null @@ -1,247 +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. - */ - -#include <stddef.h> -#include "common.h" -#include "console.h" -#include "endian.h" -#include "gpio.h" -#include "link_defs.h" -#include "spi.h" -#include "system.h" -#include "timer.h" -#include "util.h" -#include "shared_mem.h" -#include "math_util.h" -#include "fpsensor.h" -#include "cryptoc/util.h" - -#include "elan_sensor.h" -#include "elan_setting.h" -#include "elan_sensor_pal.h" - -static uint16_t errors; - -#define CPRINTF(format, args...) cprintf(CC_FP, format, ##args) - -/* Sensor description */ -static struct ec_response_fp_info ec_fp_sensor_info = { - /* Sensor identification */ - .vendor_id = VID, - .product_id = PID, - .model_id = MID, - .version = VERSION, - /* Image frame characteristics */ - .frame_size = FP_SENSOR_RES_X * FP_SENSOR_RES_Y, - .pixel_format = V4L2_PIX_FMT_GREY, - .width = FP_SENSOR_RES_X, - .height = FP_SENSOR_RES_Y, - .bpp = FP_SENSOR_RES_BPP, -}; - -/** - * set fingerprint sensor into power saving mode - */ -void fp_sensor_low_power(void) -{ - elan_woe_mode(); -} - -/** - * Reset and initialize the sensor IC - */ -int fp_sensor_init(void) -{ - CPRINTF("========%s=======\n", __func__); - - errors = 0; - elan_execute_reset(); - algorithm_parameter_setting(); - if (elan_execute_calibration() < 0) - errors |= FP_ERROR_INIT_FAIL; - if (elan_woe_mode() != 0) - errors |= FP_ERROR_SPI_COMM; - - return EC_SUCCESS; -} - -/** - * Deinitialize the sensor IC - */ -int fp_sensor_deinit(void) -{ - CPRINTF("========%s=======\n", __func__); - return elan_fp_deinit(); -} - -/** - * Fill the 'ec_response_fp_info' buffer with the sensor information - * - * @param[out] resp retrieve the version, sensor and template information - * - * @return EC_SUCCESS on success otherwise error. - */ -int fp_sensor_get_info(struct ec_response_fp_info *resp) -{ - int ret = 0; - - CPRINTF("========%s=======\n", __func__); - memcpy(resp, &ec_fp_sensor_info, sizeof(struct ec_response_fp_info)); - elan_sensor_get_alg_info(resp); - resp->errors |= errors; - CPRINTF("##%s## FrameSize=%d, errors=0x%04x\n", __func__, - resp->frame_size, resp->errors); - - return ret; -} - -/** - * Compares given finger image against enrolled templates. - * - * @param[in] templ a pointer to the array of template buffers. - * @param[in] templ_count the number of buffers in the array of templates. - * @param[in] image the buffer containing the finger image - * @param[out] match_index index of the matched finger in the template - * array if any. - * @param[out] update_bitmap contains one bit per template, the bit is set if - * the match has updated the given template. - * - * @return negative value on error, else one of the following code : - * - EC_MKBP_FP_ERR_MATCH_NO on non-match - * - EC_MKBP_FP_ERR_MATCH_YES for match when template was not updated with - * new data - * - EC_MKBP_FP_ERR_MATCH_YES_UPDATED for match when template was updated - * - EC_MKBP_FP_ERR_MATCH_YES_UPDATE_FAILED match, but update failed (not saved) - * - EC_MKBP_FP_ERR_MATCH_LOW_QUALITY when matching could not be performed due - * to low image quality - * - EC_MKBP_FP_ERR_MATCH_LOW_COVERAGE when matching could not be performed - * due to finger covering too little area of the sensor - */ -int fp_finger_match(void *templ, uint32_t templ_count, uint8_t *image, - int32_t *match_index, uint32_t *update_bitmap) -{ - CPRINTF("========%s=======\n", __func__); - return elan_match(templ, templ_count, image, match_index, - update_bitmap); -} - -/** - * start a finger enrollment session and initialize enrollment data - * - * @return 0 on success. - * - */ -int fp_enrollment_begin(void) -{ - CPRINTF("========%s=======\n", __func__); - return elan_enrollment_begin(); -} - -/** - * Generate a template from the finger whose enrollment has just being - * completed. - * - * @param templ the buffer which will receive the template. - * templ can be set to NULL to abort the current enrollment - * process. - * - * @return 0 on success or a negative error code. - */ -int fp_enrollment_finish(void *templ) -{ - CPRINTF("========%s=======\n", __func__); - return elan_enrollment_finish(templ); -} - -/** - * Adds fingerprint image to the current enrollment session. - * - * @param[in] image fingerprint image data - * @param[out] completion retrieve percentage of current enrollment - * - * @return a negative value on error or one of the following codes: - * - EC_MKBP_FP_ERR_ENROLL_OK when image was successfully enrolled - * - EC_MKBP_FP_ERR_ENROLL_IMMOBILE when image added, but user should be - * advised to move finger - * - EC_MKBP_FP_ERR_ENROLL_LOW_QUALITY when image could not be used due to - * low image quality - * - EC_MKBP_FP_ERR_ENROLL_LOW_COVERAGE when image could not be used due to - * finger covering too little area of the sensor - */ -int fp_finger_enroll(uint8_t *image, int *completion) -{ - CPRINTF("========%s=======\n", __func__); - return elan_enroll(image, completion); -} - -/** - * Put the sensor in its lowest power state. - * - * fp_sensor_configure_detect needs to be called to restore finger detection - * functionality. - */ -void fp_sensor_configure_detect(void) -{ - CPRINTF("========%s=======\n", __func__); - elan_woe_mode(); -} - -/** - * Acquires a fingerprint image with specific capture mode. - * - * @param[out] image_data Memory buffer to retrieve fingerprint image data - * Image_data is allocated by the caller and the size - * is FP_SENSOR_IMAGE_SIZE. - * @param[in] mode one of the FP_CAPTURE_ constants to get a specific - * image type - * - FP_CAPTURE_VENDOR_FORMAT: Full blown vendor-defined capture - * - FP_CAPTURE_SIMPLE_IMAGE: Simple raw image capture - * - FP_CAPTURE_PATTERN0: Self test pattern - * - FP_CAPTURE_PATTERN1: Self test pattern - * - FP_CAPTURE_QUALITY_TEST - * - FP_CAPTURE_RESET_TEST - * - FP_CAPTURE_TYPE_MAX - * - * @return - * - 0 on success - * - negative value on error - * - FP_SENSOR_LOW_IMAGE_QUALITY on image captured but quality is too low - * - FP_SENSOR_TOO_FAST on finger removed before image was captured - * - FP_SENSOR_LOW_SENSOR_COVERAGE on sensor not fully covered by finger - */ -int fp_sensor_acquire_image_with_mode(uint8_t *image_data, int mode) -{ - CPRINTF("========%s=======\n", __func__); - return elan_sensor_acquire_image_with_mode(image_data, mode); -} - -/** - * Returns the status of the finger on the sensor. - * - * @return one of the following codes: - * - FINGER_NONE - * - FINGER_PARTIAL - * - FINGER_PRESENT - */ -enum finger_state fp_sensor_finger_status(void) -{ - CPRINTF("========%s=======\n", __func__); - return elan_sensor_finger_status(); -} - -/** - * Runs a test for defective pixels. - * - * Should be triggered periodically by the client. The maintenance command can - * take several hundred milliseconds to run. - * - * @return EC_ERROR_HW_INTERNAL on error (such as finger on sensor) - * @return EC_SUCCESS on success - */ -int fp_maintenance(void) -{ - CPRINTF("========%s=======\n", __func__); - return elan_fp_maintenance(&errors); -} |