10ae8ffb55
By using our new, never-failing, USB allocation wrapper. As it can never fail, we can also remove all the error paths for the allocations failing.
647 lines
17 KiB
C
647 lines
17 KiB
C
/*
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* UPEK TouchChip driver for libfprint
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* Copyright (C) 2013 Vasily Khoruzhick <anarsoul@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#define FP_COMPONENT "upektc_img"
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#include "drivers_api.h"
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#include "upek_proto.h"
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#include "aeslib.h"
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#include "upektc_img.h"
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static void start_capture(struct fp_img_dev *dev);
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static void start_deactivation(struct fp_img_dev *dev);
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#define EP_IN (1 | LIBUSB_ENDPOINT_IN)
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#define EP_OUT (2 | LIBUSB_ENDPOINT_OUT)
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#define CTRL_TIMEOUT 4000
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#define BULK_TIMEOUT 4000
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#define IMAGE_WIDTH 144
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#define IMAGE_HEIGHT 384
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#define IMAGE_SIZE (IMAGE_WIDTH * IMAGE_HEIGHT)
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#define MAX_CMD_SIZE 64
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#define MAX_RESPONSE_SIZE 2052
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#define SHORT_RESPONSE_SIZE 64
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struct upektc_img_dev {
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unsigned char cmd[MAX_CMD_SIZE];
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unsigned char response[MAX_RESPONSE_SIZE];
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unsigned char image_bits[IMAGE_SIZE * 2];
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unsigned char seq;
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size_t image_size;
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size_t response_rest;
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gboolean deactivating;
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};
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/****** HELPERS ******/
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static void upektc_img_cmd_fix_seq(unsigned char *cmd_buf, unsigned char seq)
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{
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uint8_t byte;
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byte = cmd_buf[5];
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byte &= 0x0f;
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byte |= (seq << 4);
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cmd_buf[5] = byte;
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}
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static void upektc_img_cmd_update_crc(unsigned char *cmd_buf, size_t size)
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{
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/* CRC does not cover Ciao prefix (4 bytes) and CRC location (2 bytes) */
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uint16_t crc = udf_crc(cmd_buf + 4, size - 6);
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cmd_buf[size - 2] = (crc & 0x00ff);
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cmd_buf[size - 1] = (crc & 0xff00) >> 8;
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}
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static void
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upektc_img_submit_req(fpi_ssm *ssm,
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struct fp_img_dev *dev,
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const unsigned char *buf,
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size_t buf_size,
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unsigned char seq,
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libusb_transfer_cb_fn cb)
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{
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struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(FP_DEV(dev));
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struct libusb_transfer *transfer = fpi_usb_alloc();
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int r;
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BUG_ON(buf_size > MAX_CMD_SIZE);
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transfer->flags |= LIBUSB_TRANSFER_FREE_TRANSFER;
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memcpy(upekdev->cmd, buf, buf_size);
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upektc_img_cmd_fix_seq(upekdev->cmd, seq);
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upektc_img_cmd_update_crc(upekdev->cmd, buf_size);
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libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_OUT, upekdev->cmd, buf_size,
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cb, ssm, BULK_TIMEOUT);
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r = libusb_submit_transfer(transfer);
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if (r < 0) {
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libusb_free_transfer(transfer);
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fpi_ssm_mark_failed(ssm, r);
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}
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}
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static void
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upektc_img_read_data(fpi_ssm *ssm,
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struct fp_img_dev *dev,
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size_t buf_size,
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size_t buf_offset,
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libusb_transfer_cb_fn cb)
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{
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struct libusb_transfer *transfer = fpi_usb_alloc();
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struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(FP_DEV(dev));
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int r;
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BUG_ON(buf_size > MAX_RESPONSE_SIZE);
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transfer->flags |= LIBUSB_TRANSFER_FREE_TRANSFER;
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libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_IN, upekdev->response + buf_offset, buf_size,
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cb, ssm, BULK_TIMEOUT);
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r = libusb_submit_transfer(transfer);
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if (r < 0) {
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libusb_free_transfer(transfer);
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fpi_ssm_mark_failed(ssm, r);
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}
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}
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/****** CAPTURE ******/
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enum capture_states {
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CAPTURE_INIT_CAPTURE,
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CAPTURE_READ_DATA,
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CAPTURE_READ_DATA_TERM,
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CAPTURE_ACK_00_28,
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CAPTURE_ACK_08,
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CAPTURE_ACK_FRAME,
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CAPTURE_ACK_00_28_TERM,
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CAPTURE_NUM_STATES,
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};
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static void capture_reqs_cb(struct libusb_transfer *transfer)
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{
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fpi_ssm *ssm = transfer->user_data;
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if ((transfer->status != LIBUSB_TRANSFER_COMPLETED) ||
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(transfer->length != transfer->actual_length)) {
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fpi_ssm_mark_failed(ssm, -EIO);
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return;
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}
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switch (fpi_ssm_get_cur_state(ssm)) {
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case CAPTURE_ACK_00_28_TERM:
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fpi_ssm_jump_to_state(ssm, CAPTURE_READ_DATA_TERM);
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break;
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default:
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fpi_ssm_jump_to_state(ssm, CAPTURE_READ_DATA);
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break;
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}
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}
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static int upektc_img_process_image_frame(unsigned char *image_buf, unsigned char *cmd_res)
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{
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int offset = 8;
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int len = ((cmd_res[5] & 0x0f) << 8) | (cmd_res[6]);
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len -= 1;
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if (cmd_res[7] == 0x2c) {
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len -= 10;
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offset += 10;
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}
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if (cmd_res[7] == 0x20) {
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len -= 4;
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}
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memcpy(image_buf, cmd_res + offset, len);
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return len;
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}
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static void capture_read_data_cb(struct libusb_transfer *transfer)
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{
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fpi_ssm *ssm = transfer->user_data;
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struct fp_img_dev *dev = fpi_ssm_get_user_data(ssm);
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struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(FP_DEV(dev));
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unsigned char *data = upekdev->response;
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struct fp_img *img;
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size_t response_size;
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if (transfer->status != LIBUSB_TRANSFER_COMPLETED) {
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fp_dbg("request is not completed, %d", transfer->status);
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fpi_ssm_mark_failed(ssm, -EIO);
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return;
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}
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if (upekdev->deactivating) {
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fp_dbg("Deactivate requested\n");
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fpi_ssm_mark_completed(ssm);
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return;
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}
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fp_dbg("request completed, len: %.4x", transfer->actual_length);
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if (transfer->actual_length == 0) {
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fpi_ssm_jump_to_state(ssm, fpi_ssm_get_cur_state(ssm));
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return;
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}
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if (fpi_ssm_get_cur_state(ssm) == CAPTURE_READ_DATA_TERM) {
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fp_dbg("Terminating SSM\n");
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fpi_ssm_mark_completed(ssm);
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return;
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}
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if (!upekdev->response_rest) {
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response_size = ((data[5] & 0x0f) << 8) + data[6];
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response_size += 9; /* 7 bytes for header, 2 for CRC */
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if (response_size > transfer->actual_length) {
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fp_dbg("response_size is %lu, actual_length is %d\n",
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response_size, transfer->actual_length);
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fp_dbg("Waiting for rest of transfer");
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BUG_ON(upekdev->response_rest);
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upekdev->response_rest = response_size - transfer->actual_length;
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fpi_ssm_jump_to_state(ssm, CAPTURE_READ_DATA);
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return;
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}
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}
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upekdev->response_rest = 0;
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switch (data[4]) {
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case 0x00:
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switch (data[7]) {
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/* No finger */
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case 0x28:
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fp_dbg("18th byte is %.2x\n", data[18]);
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switch (data[18]) {
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case 0x0c:
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/* no finger */
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fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28);
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break;
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case 0x00:
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/* finger is present! */
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fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28);
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break;
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case 0x1e:
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/* short scan */
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fp_err("short scan, aborting\n");
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fpi_imgdev_abort_scan(dev, FP_VERIFY_RETRY_TOO_SHORT);
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fpi_imgdev_report_finger_status(dev, FALSE);
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fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28_TERM);
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break;
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case 0x1d:
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/* too much horisontal movement */
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fp_err("too much horisontal movement, aborting\n");
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fpi_imgdev_abort_scan(dev, FP_VERIFY_RETRY_CENTER_FINGER);
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fpi_imgdev_report_finger_status(dev, FALSE);
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fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28_TERM);
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break;
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default:
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/* some error happened, cancel scan */
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fp_err("something bad happened, stop scan\n");
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fpi_imgdev_abort_scan(dev, FP_VERIFY_RETRY);
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fpi_imgdev_report_finger_status(dev, FALSE);
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fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28_TERM);
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break;
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}
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break;
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/* Image frame with additional info */
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case 0x2c:
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fpi_imgdev_report_finger_status(dev, TRUE);
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/* Plain image frame */
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case 0x24:
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upekdev->image_size +=
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upektc_img_process_image_frame(upekdev->image_bits + upekdev->image_size,
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data);
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fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_FRAME);
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break;
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/* Last image frame */
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case 0x20:
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upekdev->image_size +=
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upektc_img_process_image_frame(upekdev->image_bits + upekdev->image_size,
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data);
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BUG_ON(upekdev->image_size != IMAGE_SIZE);
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fp_dbg("Image size is %lu\n", upekdev->image_size);
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img = fpi_img_new(IMAGE_SIZE);
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img->flags = FP_IMG_PARTIAL;
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memcpy(img->data, upekdev->image_bits, IMAGE_SIZE);
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fpi_imgdev_image_captured(dev, img);
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fpi_imgdev_report_finger_status(dev, FALSE);
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fpi_ssm_mark_completed(ssm);
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break;
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default:
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fp_err("Uknown response!\n");
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fpi_ssm_mark_failed(ssm, -EIO);
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break;
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}
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break;
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case 0x08:
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fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_08);
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break;
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default:
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fp_err("Not handled response!\n");
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fpi_ssm_mark_failed(ssm, -EIO);
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}
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}
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static void capture_run_state(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data)
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{
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struct fp_img_dev *dev = user_data;
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struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(_dev);
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switch (fpi_ssm_get_cur_state(ssm)) {
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case CAPTURE_INIT_CAPTURE:
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upektc_img_submit_req(ssm, dev, upek2020_init_capture, sizeof(upek2020_init_capture),
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upekdev->seq, capture_reqs_cb);
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upekdev->seq++;
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break;
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case CAPTURE_READ_DATA:
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case CAPTURE_READ_DATA_TERM:
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if (!upekdev->response_rest)
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upektc_img_read_data(ssm, dev, SHORT_RESPONSE_SIZE, 0, capture_read_data_cb);
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else
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upektc_img_read_data(ssm, dev, MAX_RESPONSE_SIZE - SHORT_RESPONSE_SIZE,
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SHORT_RESPONSE_SIZE, capture_read_data_cb);
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break;
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case CAPTURE_ACK_00_28:
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case CAPTURE_ACK_00_28_TERM:
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upektc_img_submit_req(ssm, dev, upek2020_ack_00_28, sizeof(upek2020_ack_00_28),
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upekdev->seq, capture_reqs_cb);
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upekdev->seq++;
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break;
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case CAPTURE_ACK_08:
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upektc_img_submit_req(ssm, dev, upek2020_ack_08, sizeof(upek2020_ack_08),
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0, capture_reqs_cb);
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break;
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case CAPTURE_ACK_FRAME:
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upektc_img_submit_req(ssm, dev, upek2020_ack_frame, sizeof(upek2020_ack_frame),
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upekdev->seq, capture_reqs_cb);
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upekdev->seq++;
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break;
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};
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}
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static void capture_sm_complete(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data)
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{
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struct fp_img_dev *dev = user_data;
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struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(_dev);
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int err = fpi_ssm_get_error(ssm);
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fp_dbg("Capture completed, %d", err);
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fpi_ssm_free(ssm);
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if (upekdev->deactivating)
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start_deactivation(dev);
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else if (err)
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fpi_imgdev_session_error(dev, err);
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else
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start_capture(dev);
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}
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static void start_capture(struct fp_img_dev *dev)
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{
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struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(FP_DEV(dev));
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fpi_ssm *ssm;
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upekdev->image_size = 0;
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ssm = fpi_ssm_new(FP_DEV(dev), capture_run_state, CAPTURE_NUM_STATES, dev);
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fpi_ssm_start(ssm, capture_sm_complete);
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}
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/****** INITIALIZATION/DEINITIALIZATION ******/
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enum deactivate_states {
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DEACTIVATE_DEINIT,
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DEACTIVATE_READ_DEINIT_DATA,
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DEACTIVATE_NUM_STATES,
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};
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static void deactivate_reqs_cb(struct libusb_transfer *transfer)
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{
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fpi_ssm *ssm = transfer->user_data;
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if ((transfer->status == LIBUSB_TRANSFER_COMPLETED) &&
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(transfer->length == transfer->actual_length)) {
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fpi_ssm_jump_to_state(ssm, CAPTURE_READ_DATA);
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} else {
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fpi_ssm_mark_failed(ssm, -EIO);
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}
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}
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/* TODO: process response properly */
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static void deactivate_read_data_cb(struct libusb_transfer *transfer)
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{
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fpi_ssm *ssm = transfer->user_data;
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if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
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fpi_ssm_mark_completed(ssm);
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} else {
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fpi_ssm_mark_failed(ssm, -EIO);
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}
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}
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static void deactivate_run_state(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data)
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{
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struct fp_img_dev *dev = user_data;
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struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(_dev);
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switch (fpi_ssm_get_cur_state(ssm)) {
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case DEACTIVATE_DEINIT:
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upektc_img_submit_req(ssm, dev, upek2020_deinit, sizeof(upek2020_deinit),
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upekdev->seq, deactivate_reqs_cb);
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upekdev->seq++;
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break;
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case DEACTIVATE_READ_DEINIT_DATA:
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upektc_img_read_data(ssm, dev, SHORT_RESPONSE_SIZE, 0, deactivate_read_data_cb);
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break;
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};
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}
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static void deactivate_sm_complete(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data)
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{
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struct fp_img_dev *dev = user_data;
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struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(_dev);
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int err = fpi_ssm_get_error(ssm);
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fp_dbg("Deactivate completed");
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fpi_ssm_free(ssm);
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if (err) {
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fpi_imgdev_session_error(dev, err);
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return;
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}
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upekdev->deactivating = FALSE;
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fpi_imgdev_deactivate_complete(dev);
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}
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static void start_deactivation(struct fp_img_dev *dev)
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{
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struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(FP_DEV(dev));
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fpi_ssm *ssm;
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upekdev->image_size = 0;
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ssm = fpi_ssm_new(FP_DEV(dev), deactivate_run_state, DEACTIVATE_NUM_STATES, dev);
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fpi_ssm_start(ssm, deactivate_sm_complete);
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}
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enum activate_states {
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ACTIVATE_CONTROL_REQ_1,
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ACTIVATE_READ_CTRL_RESP_1,
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ACTIVATE_INIT_1,
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ACTIVATE_READ_INIT_1_RESP,
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ACTIVATE_INIT_2,
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ACTIVATE_READ_INIT_2_RESP,
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ACTIVATE_CONTROL_REQ_2,
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ACTIVATE_READ_CTRL_RESP_2,
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ACTIVATE_INIT_3,
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ACTIVATE_READ_INIT_3_RESP,
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ACTIVATE_INIT_4,
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ACTIVATE_READ_INIT_4_RESP,
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ACTIVATE_NUM_STATES,
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};
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static void init_reqs_ctrl_cb(struct libusb_transfer *transfer)
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{
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fpi_ssm *ssm = transfer->user_data;
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if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
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fpi_ssm_next_state(ssm);
|
|
} else {
|
|
fpi_ssm_mark_failed(ssm, -EIO);
|
|
}
|
|
}
|
|
|
|
static void init_reqs_cb(struct libusb_transfer *transfer)
|
|
{
|
|
fpi_ssm *ssm = transfer->user_data;
|
|
|
|
if ((transfer->status == LIBUSB_TRANSFER_COMPLETED) &&
|
|
(transfer->length == transfer->actual_length)) {
|
|
fpi_ssm_next_state(ssm);
|
|
} else {
|
|
fpi_ssm_mark_failed(ssm, -EIO);
|
|
}
|
|
}
|
|
|
|
/* TODO: process response properly */
|
|
static void init_read_data_cb(struct libusb_transfer *transfer)
|
|
{
|
|
fpi_ssm *ssm = transfer->user_data;
|
|
|
|
if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
|
|
fpi_ssm_next_state(ssm);
|
|
} else {
|
|
fpi_ssm_mark_failed(ssm, -EIO);
|
|
}
|
|
}
|
|
|
|
static void activate_run_state(fpi_ssm *ssm, struct fp_dev *dev, void *user_data)
|
|
{
|
|
struct libusb_transfer *transfer;
|
|
struct fp_img_dev *idev = user_data;
|
|
struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(dev);
|
|
int r;
|
|
|
|
switch (fpi_ssm_get_cur_state(ssm)) {
|
|
case ACTIVATE_CONTROL_REQ_1:
|
|
case ACTIVATE_CONTROL_REQ_2:
|
|
{
|
|
unsigned char *data;
|
|
|
|
transfer = fpi_usb_alloc();
|
|
transfer->flags |= LIBUSB_TRANSFER_FREE_BUFFER |
|
|
LIBUSB_TRANSFER_FREE_TRANSFER;
|
|
|
|
data = g_malloc0(LIBUSB_CONTROL_SETUP_SIZE + 1);
|
|
libusb_fill_control_setup(data,
|
|
LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE, 0x0c, 0x100, 0x0400, 1);
|
|
libusb_fill_control_transfer(transfer, fpi_dev_get_usb_dev(dev), data,
|
|
init_reqs_ctrl_cb, ssm, CTRL_TIMEOUT);
|
|
r = libusb_submit_transfer(transfer);
|
|
if (r < 0) {
|
|
g_free(data);
|
|
libusb_free_transfer(transfer);
|
|
fpi_ssm_mark_failed(ssm, r);
|
|
}
|
|
}
|
|
break;
|
|
case ACTIVATE_INIT_1:
|
|
upektc_img_submit_req(ssm, idev, upek2020_init_1, sizeof(upek2020_init_1),
|
|
0, init_reqs_cb);
|
|
break;
|
|
case ACTIVATE_INIT_2:
|
|
upektc_img_submit_req(ssm, idev, upek2020_init_2, sizeof(upek2020_init_2),
|
|
0, init_reqs_cb);
|
|
break;
|
|
case ACTIVATE_INIT_3:
|
|
upektc_img_submit_req(ssm, idev, upek2020_init_3, sizeof(upek2020_init_3),
|
|
0, init_reqs_cb);
|
|
break;
|
|
case ACTIVATE_INIT_4:
|
|
upektc_img_submit_req(ssm, idev, upek2020_init_4, sizeof(upek2020_init_4),
|
|
upekdev->seq, init_reqs_cb);
|
|
/* Seq should be updated after 4th init */
|
|
upekdev->seq++;
|
|
break;
|
|
case ACTIVATE_READ_CTRL_RESP_1:
|
|
case ACTIVATE_READ_CTRL_RESP_2:
|
|
case ACTIVATE_READ_INIT_1_RESP:
|
|
case ACTIVATE_READ_INIT_2_RESP:
|
|
case ACTIVATE_READ_INIT_3_RESP:
|
|
case ACTIVATE_READ_INIT_4_RESP:
|
|
upektc_img_read_data(ssm, idev, SHORT_RESPONSE_SIZE, 0, init_read_data_cb);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void activate_sm_complete(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data)
|
|
{
|
|
struct fp_img_dev *dev = user_data;
|
|
int err = fpi_ssm_get_error(ssm);
|
|
|
|
fpi_ssm_free(ssm);
|
|
fp_dbg("%s status %d", __func__, err);
|
|
fpi_imgdev_activate_complete(dev, err);
|
|
|
|
if (!err)
|
|
start_capture(dev);
|
|
}
|
|
|
|
static int dev_activate(struct fp_img_dev *dev, enum fp_imgdev_state state)
|
|
{
|
|
struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(FP_DEV(dev));
|
|
fpi_ssm *ssm = fpi_ssm_new(FP_DEV(dev), activate_run_state,
|
|
ACTIVATE_NUM_STATES, dev);
|
|
upekdev->seq = 0;
|
|
fpi_ssm_start(ssm, activate_sm_complete);
|
|
return 0;
|
|
}
|
|
|
|
static void dev_deactivate(struct fp_img_dev *dev)
|
|
{
|
|
struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(FP_DEV(dev));
|
|
|
|
upekdev->deactivating = TRUE;
|
|
}
|
|
|
|
static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
|
|
{
|
|
/* TODO check that device has endpoints we're using */
|
|
int r;
|
|
struct upektc_img_dev *upekdev;
|
|
|
|
r = libusb_claim_interface(fpi_dev_get_usb_dev(FP_DEV(dev)), 0);
|
|
if (r < 0) {
|
|
fp_err("could not claim interface 0: %s", libusb_error_name(r));
|
|
return r;
|
|
}
|
|
|
|
upekdev = g_malloc0(sizeof(struct upektc_img_dev));
|
|
fp_dev_set_instance_data(FP_DEV(dev), upekdev);
|
|
fpi_imgdev_open_complete(dev, 0);
|
|
return 0;
|
|
}
|
|
|
|
static void dev_deinit(struct fp_img_dev *dev)
|
|
{
|
|
struct upektc_img_dev *upekdev = FP_INSTANCE_DATA(FP_DEV(dev));
|
|
g_free(upekdev);
|
|
libusb_release_interface(fpi_dev_get_usb_dev(FP_DEV(dev)), 0);
|
|
fpi_imgdev_close_complete(dev);
|
|
}
|
|
|
|
static int discover(struct libusb_device_descriptor *dsc, uint32_t *devtype)
|
|
{
|
|
if (dsc->idProduct == 0x2020 && dsc->bcdDevice == 1)
|
|
return 1;
|
|
if (dsc->idProduct == 0x2016 && dsc->bcdDevice == 2)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct usb_id id_table[] = {
|
|
{ .vendor = 0x147e, .product = 0x2016 },
|
|
{ .vendor = 0x147e, .product = 0x2020 },
|
|
{ 0, 0, 0, },
|
|
};
|
|
|
|
struct fp_img_driver upektc_img_driver = {
|
|
.driver = {
|
|
.id = UPEKTC_IMG_ID,
|
|
.name = FP_COMPONENT,
|
|
.full_name = "Upek TouchChip Fingerprint Coprocessor",
|
|
.id_table = id_table,
|
|
.scan_type = FP_SCAN_TYPE_SWIPE,
|
|
.discover = discover,
|
|
},
|
|
.flags = 0,
|
|
.img_height = IMAGE_HEIGHT,
|
|
.img_width = IMAGE_WIDTH,
|
|
.bz3_threshold = 20,
|
|
|
|
.open = dev_init,
|
|
.close = dev_deinit,
|
|
.activate = dev_activate,
|
|
.deactivate = dev_deactivate,
|
|
};
|