diff options
Diffstat (limited to 'driver/fingerprint/fpc/bep/fpc_private.c')
| -rw-r--r-- | driver/fingerprint/fpc/bep/fpc_private.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/driver/fingerprint/fpc/bep/fpc_private.c b/driver/fingerprint/fpc/bep/fpc_private.c deleted file mode 100644 index a94ba2ab06..0000000000 --- a/driver/fingerprint/fpc/bep/fpc_private.c +++ /dev/null @@ -1,268 +0,0 @@ -/* Copyright 2019 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 <stdint.h> -#include <stddef.h> - -#include "fpc_bio_algorithm.h" -#include "fpsensor.h" -#include "gpio.h" -#include "spi.h" -#include "system.h" -#include "util.h" - -#include "driver/fingerprint/fpc/fpc_sensor.h" - -/* Console output macros */ -#define CPRINTF(format, args...) cprintf(CC_FP, format, ## args) -#define CPRINTS(format, args...) cprints(CC_FP, format, ## args) - -static uint8_t enroll_ctx[FP_ALGORITHM_ENROLLMENT_SIZE] __aligned(4) = {0}; - -/* Recorded error flags */ -static uint16_t errors; - -/* FPC specific initialization and de-initialization functions */ -int fp_sensor_open(void); -int fp_sensor_close(void); - -/* Get FPC library version code.*/ -const char *fp_sensor_get_version(void); - -/* Get FPC library build info.*/ -const char *fp_sensor_get_build_info(void); - -/* Sensor description */ -static struct ec_response_fp_info ec_fp_sensor_info = { - /* Sensor identification */ - .vendor_id = FOURCC('F', 'P', 'C', ' '), - .product_id = 9, - .model_id = 1, - .version = 1, - /* Image frame characteristics */ - .frame_size = FP_SENSOR_IMAGE_SIZE, - .pixel_format = V4L2_PIX_FMT_GREY, - .width = FP_SENSOR_RES_X, - .height = FP_SENSOR_RES_Y, - .bpp = FP_SENSOR_RES_BPP, -}; - -typedef struct fpc_bep_sensor fpc_bep_sensor_t; - -typedef struct { - const fpc_bep_sensor_t *sensor; - uint32_t image_buffer_size; -} fpc_sensor_info_t; - -#if defined(CONFIG_FP_SENSOR_FPC1025) - -extern const fpc_bep_sensor_t fpc_bep_sensor_1025; -extern const fpc_bep_algorithm_t fpc_bep_algorithm_pfe_1025; - -const fpc_sensor_info_t fpc_sensor_info = { - .sensor = &fpc_bep_sensor_1025, - .image_buffer_size = FP_SENSOR_IMAGE_SIZE, -}; - -const fpc_bio_info_t fpc_bio_info = { - .algorithm = &fpc_bep_algorithm_pfe_1025, - .template_size = FP_ALGORITHM_TEMPLATE_SIZE, -}; - -#elif defined(CONFIG_FP_SENSOR_FPC1035) - -extern const fpc_bep_sensor_t fpc_bep_sensor_1035; -extern const fpc_bep_algorithm_t fpc_bep_algorithm_pfe_1035; - -const fpc_sensor_info_t fpc_sensor_info = { - .sensor = &fpc_bep_sensor_1035, - .image_buffer_size = FP_SENSOR_IMAGE_SIZE, -}; - -const fpc_bio_info_t fpc_bio_info = { - .algorithm = &fpc_bep_algorithm_pfe_1035, - .template_size = FP_ALGORITHM_TEMPLATE_SIZE, -}; -#else -#error "Sensor type not defined!" -#endif - -/* Sensor IC commands */ -enum fpc_cmd { - FPC_CMD_DEEPSLEEP = 0x2C, - FPC_CMD_HW_ID = 0xFC, -}; - -/* Maximum size of a sensor command SPI transfer */ -#define MAX_CMD_SPI_TRANSFER_SIZE 3 - -/* Memory for the SPI transfer buffer */ -static uint8_t spi_buf[MAX_CMD_SPI_TRANSFER_SIZE]; - -static int fpc_send_cmd(const uint8_t cmd) -{ - spi_buf[0] = cmd; - - return spi_transaction(SPI_FP_DEVICE, spi_buf, 1, spi_buf, - SPI_READBACK_ALL); -} - -void fp_sensor_low_power(void) -{ - fpc_send_cmd(FPC_CMD_DEEPSLEEP); -} - -int fpc_check_hwid(void) -{ - uint16_t id; - int rc; - - spi_buf[0] = FPC_CMD_HW_ID; - - rc = spi_transaction(SPI_FP_DEVICE, spi_buf, 3, spi_buf, - SPI_READBACK_ALL); - if (rc) { - CPRINTS("FPC HW ID read failed %d", rc); - return FP_ERROR_SPI_COMM; - } - - id = (spi_buf[1] << 8) | spi_buf[2]; - if ((id >> 4) != FP_SENSOR_HWID) { - CPRINTS("FPC unknown silicon 0x%04x", id); - return FP_ERROR_BAD_HWID; - } - CPRINTS(FP_SENSOR_NAME " id 0x%04x", id); - - return EC_SUCCESS; -} - -/* Reset and initialize the sensor IC */ -int fp_sensor_init(void) -{ - int rc; - - /* Print the binary libfpbep.a library version */ - CPRINTS("FPC libfpbep.a %s", fp_sensor_get_version()); - - /* Print the BEP version and build time of the library */ - CPRINTS("Build information - %s", fp_sensor_get_build_info()); - - errors = FP_ERROR_DEAD_PIXELS_UNKNOWN; - - rc = fp_sensor_open(); - if (rc) { - errors |= FP_ERROR_INIT_FAIL; - CPRINTS("Error: fp_sensor_open() failed, result=%d", rc); - } - - errors |= fpc_check_hwid(); - - rc = bio_algorithm_init(); - if (rc < 0) { - errors |= FP_ERROR_INIT_FAIL; - CPRINTS("Error: bio_algorithm_init() failed, result=%d", rc); - } - - /* Go back to low power */ - fp_sensor_low_power(); - - return EC_SUCCESS; -} - -/* Deinitialize the sensor IC */ -int fp_sensor_deinit(void) -{ - int rc; - - rc = bio_algorithm_exit(); - if (rc < 0) - CPRINTS("Error: bio_algorithm_exit() failed, result=%d", rc); - - rc = fp_sensor_close(); - if (rc < 0) - CPRINTS("Error: fp_sensor_close() failed, result=%d", rc); - - return rc; -} - -int fp_sensor_get_info(struct ec_response_fp_info *resp) -{ - int rc; - - spi_buf[0] = FPC_CMD_HW_ID; - - memcpy(resp, &ec_fp_sensor_info, sizeof(struct ec_response_fp_info)); - - rc = spi_transaction(SPI_FP_DEVICE, spi_buf, 3, spi_buf, - SPI_READBACK_ALL); - if (rc) - return EC_RES_ERROR; - - resp->model_id = (spi_buf[1] << 8) | spi_buf[2]; - resp->errors = errors; - - return EC_SUCCESS; -} - -int fp_finger_match(void *templ, uint32_t templ_count, uint8_t *image, - int32_t *match_index, uint32_t *update_bitmap) -{ - int rc; - - rc = bio_template_image_match_list(templ, templ_count, image, - match_index, update_bitmap); - if (rc < 0) - CPRINTS("Error: bio_template_image_match_list() failed, result=%d", - rc); - - return rc; -} - -int fp_enrollment_begin(void) -{ - int rc; - bio_enrollment_t bio_enroll = enroll_ctx; - - rc = bio_enrollment_begin(&bio_enroll); - if (rc < 0) - CPRINTS("Error: bio_enrollment_begin() failed, result=%d", rc); - - return rc; -} - -int fp_enrollment_finish(void *templ) -{ - int rc; - bio_enrollment_t bio_enroll = enroll_ctx; - bio_template_t bio_templ = templ; - - rc = bio_enrollment_finish(bio_enroll, templ ? &bio_templ : NULL); - if (rc < 0) - CPRINTS("Error: bio_enrollment_finish() failed, result=%d", rc); - - return rc; -} - -int fp_finger_enroll(uint8_t *image, int *completion) -{ - int rc; - bio_enrollment_t bio_enroll = enroll_ctx; - - rc = bio_enrollment_add_image(bio_enroll, image); - if (rc < 0) { - CPRINTS("Error: bio_enrollment_add_image() failed, result=%d", - rc); - return rc; - } - - *completion = bio_enrollment_get_percent_complete(bio_enroll); - - return rc; -} - -int fp_maintenance(void) -{ - return fpc_fp_maintenance(&errors); -} |