2013-02-08 16:04:30 +00:00
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/*
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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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2015-03-19 16:33:26 +00:00
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#define FP_COMPONENT "upektc_img"
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2013-02-08 16:04:30 +00:00
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#include <errno.h>
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#include <string.h>
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#include <libusb.h>
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#include <aeslib.h>
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#include <fp_internal.h>
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#include "upektc_img.h"
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#include "driver_ids.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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2015-03-19 16:33:26 +00:00
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struct upektc_img_dev {
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2013-02-08 16:04:30 +00:00
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unsigned char cmd[MAX_CMD_SIZE];
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2013-03-09 11:08:50 +00:00
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unsigned char response[MAX_RESPONSE_SIZE];
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2013-02-08 16:04:30 +00:00
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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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2013-03-09 11:08:50 +00:00
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size_t response_rest;
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2013-02-08 16:04:30 +00:00
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gboolean deactivating;
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};
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/****** HELPERS ******/
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static const uint16_t crc_table[256] = {
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
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0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
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0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
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0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
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0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
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0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
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0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
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0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
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0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
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0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
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0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
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0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
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0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
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0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
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0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
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0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
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0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
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0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
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0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
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0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
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0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
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0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
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0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
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0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
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0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
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0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
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0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
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0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
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};
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static uint16_t udf_crc(unsigned char *buffer, size_t size)
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{
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uint16_t crc = 0;
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while (size--)
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crc = (uint16_t) ((crc << 8) ^
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crc_table[((crc >> 8) & 0x00ff) ^ *buffer++]);
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return crc;
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}
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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 upektc_img_submit_req(struct fpi_ssm *ssm,
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const unsigned char *buf, size_t buf_size, unsigned char seq,
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libusb_transfer_cb_fn cb)
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{
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struct fp_img_dev *dev = ssm->priv;
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2015-03-19 16:33:26 +00:00
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struct upektc_img_dev *upekdev = dev->priv;
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2013-02-08 16:04:30 +00:00
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struct libusb_transfer *transfer = libusb_alloc_transfer(0);
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int r;
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BUG_ON(buf_size > MAX_CMD_SIZE);
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if (!transfer) {
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fpi_ssm_mark_aborted(ssm, -ENOMEM);
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return;
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}
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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, dev->udev, 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_aborted(ssm, r);
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}
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}
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2013-03-09 11:08:50 +00:00
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static void upektc_img_read_data(struct fpi_ssm *ssm, size_t buf_size, size_t buf_offset, libusb_transfer_cb_fn cb)
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2013-02-08 16:04:30 +00:00
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{
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struct libusb_transfer *transfer = libusb_alloc_transfer(0);
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struct fp_img_dev *dev = ssm->priv;
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2015-03-19 16:33:26 +00:00
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struct upektc_img_dev *upekdev = dev->priv;
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2013-02-08 16:04:30 +00:00
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int r;
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if (!transfer) {
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fpi_ssm_mark_aborted(ssm, -ENOMEM);
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return;
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}
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2013-03-09 11:08:50 +00:00
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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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2013-02-08 16:04:30 +00:00
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2013-03-09 11:08:50 +00:00
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libusb_fill_bulk_transfer(transfer, dev->udev, EP_IN, upekdev->response + buf_offset, buf_size,
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2013-02-08 16:04:30 +00:00
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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_aborted(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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2015-03-19 16:34:08 +00:00
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CAPTURE_READ_DATA_TERM,
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2013-02-08 16:04:30 +00:00
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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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2015-03-19 16:34:08 +00:00
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CAPTURE_ACK_00_28_TERM,
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2013-02-08 16:04:30 +00:00
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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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struct fpi_ssm *ssm = transfer->user_data;
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2015-03-19 16:34:08 +00:00
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if ((transfer->status != LIBUSB_TRANSFER_COMPLETED) ||
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(transfer->length != transfer->actual_length)) {
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2013-02-08 16:04:30 +00:00
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fpi_ssm_mark_aborted(ssm, -EIO);
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2015-03-19 16:34:08 +00:00
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return;
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}
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switch (ssm->cur_state) {
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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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2013-02-08 16:04:30 +00:00
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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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struct fpi_ssm *ssm = transfer->user_data;
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struct fp_img_dev *dev = ssm->priv;
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2015-03-19 16:33:26 +00:00
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struct upektc_img_dev *upekdev = dev->priv;
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2013-03-09 11:08:50 +00:00
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unsigned char *data = upekdev->response;
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2013-02-08 16:04:30 +00:00
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struct fp_img *img;
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2013-03-09 11:08:50 +00:00
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size_t response_size;
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2013-02-08 16:04:30 +00:00
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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_aborted(ssm, -EIO);
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return;
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}
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2013-03-09 11:08:50 +00:00
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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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2013-02-08 16:04:30 +00:00
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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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2015-03-19 16:34:08 +00:00
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fpi_ssm_jump_to_state(ssm, ssm->cur_state);
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return;
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}
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if (ssm->cur_state == 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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2013-02-08 16:04:30 +00:00
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return;
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}
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2013-03-09 11:08:50 +00:00
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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 %d, 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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2013-02-08 16:04:30 +00:00
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}
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2013-03-09 11:08:50 +00:00
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upekdev->response_rest = 0;
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2013-02-08 16:04:30 +00:00
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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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2013-09-06 13:31:15 +00:00
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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:
|
|
|
|
/* no finger */
|
|
|
|
fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28);
|
|
|
|
break;
|
|
|
|
case 0x00:
|
|
|
|
/* finger is present! */
|
|
|
|
fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28);
|
|
|
|
break;
|
2015-03-19 16:34:08 +00:00
|
|
|
case 0x1e:
|
|
|
|
/* short scan */
|
|
|
|
fp_err("short scan, aborting\n");
|
|
|
|
fpi_imgdev_abort_scan(dev, FP_VERIFY_RETRY_TOO_SHORT);
|
|
|
|
fpi_imgdev_report_finger_status(dev, FALSE);
|
|
|
|
fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28_TERM);
|
|
|
|
break;
|
|
|
|
case 0x1d:
|
|
|
|
/* too much horisontal movement */
|
|
|
|
fp_err("too much horisontal movement, aborting\n");
|
|
|
|
fpi_imgdev_abort_scan(dev, FP_VERIFY_RETRY_CENTER_FINGER);
|
|
|
|
fpi_imgdev_report_finger_status(dev, FALSE);
|
|
|
|
fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28_TERM);
|
|
|
|
break;
|
2013-09-06 13:31:15 +00:00
|
|
|
default:
|
|
|
|
/* some error happened, cancel scan */
|
2015-03-19 16:34:08 +00:00
|
|
|
fp_err("something bad happened, stop scan\n");
|
|
|
|
fpi_imgdev_abort_scan(dev, FP_VERIFY_RETRY);
|
|
|
|
fpi_imgdev_report_finger_status(dev, FALSE);
|
|
|
|
fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28_TERM);
|
2013-09-06 13:31:15 +00:00
|
|
|
break;
|
|
|
|
}
|
2013-02-08 16:04:30 +00:00
|
|
|
break;
|
|
|
|
/* Image frame with additional info */
|
|
|
|
case 0x2c:
|
|
|
|
fpi_imgdev_report_finger_status(dev, TRUE);
|
|
|
|
/* Plain image frame */
|
|
|
|
case 0x24:
|
|
|
|
upekdev->image_size +=
|
|
|
|
upektc_img_process_image_frame(upekdev->image_bits + upekdev->image_size,
|
|
|
|
data);
|
|
|
|
fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_FRAME);
|
|
|
|
break;
|
|
|
|
/* Last image frame */
|
|
|
|
case 0x20:
|
|
|
|
upekdev->image_size +=
|
|
|
|
upektc_img_process_image_frame(upekdev->image_bits + upekdev->image_size,
|
|
|
|
data);
|
|
|
|
BUG_ON(upekdev->image_size != IMAGE_SIZE);
|
|
|
|
fp_dbg("Image size is %d\n", upekdev->image_size);
|
|
|
|
img = fpi_img_new(IMAGE_SIZE);
|
2015-03-15 13:18:50 +00:00
|
|
|
img->flags = FP_IMG_PARTIAL;
|
2013-02-08 16:04:30 +00:00
|
|
|
memcpy(img->data, upekdev->image_bits, IMAGE_SIZE);
|
|
|
|
fpi_imgdev_image_captured(dev, img);
|
|
|
|
fpi_imgdev_report_finger_status(dev, FALSE);
|
|
|
|
fpi_ssm_mark_completed(ssm);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
fp_err("Uknown response!\n");
|
2013-03-09 11:08:50 +00:00
|
|
|
fpi_ssm_mark_aborted(ssm, -EIO);
|
2013-02-08 16:04:30 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 0x08:
|
|
|
|
fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_08);
|
|
|
|
break;
|
2013-03-09 11:08:50 +00:00
|
|
|
default:
|
|
|
|
fp_err("Not handled response!\n");
|
|
|
|
fpi_ssm_mark_aborted(ssm, -EIO);
|
2013-02-08 16:04:30 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void capture_run_state(struct fpi_ssm *ssm)
|
|
|
|
{
|
|
|
|
struct fp_img_dev *dev = ssm->priv;
|
2015-03-19 16:33:26 +00:00
|
|
|
struct upektc_img_dev *upekdev = dev->priv;
|
2013-02-08 16:04:30 +00:00
|
|
|
|
|
|
|
switch (ssm->cur_state) {
|
|
|
|
case CAPTURE_INIT_CAPTURE:
|
|
|
|
upektc_img_submit_req(ssm, upek2020_init_capture, sizeof(upek2020_init_capture),
|
|
|
|
upekdev->seq, capture_reqs_cb);
|
|
|
|
upekdev->seq++;
|
|
|
|
break;
|
|
|
|
case CAPTURE_READ_DATA:
|
2015-03-19 16:34:08 +00:00
|
|
|
case CAPTURE_READ_DATA_TERM:
|
2013-03-09 11:08:50 +00:00
|
|
|
if (!upekdev->response_rest)
|
|
|
|
upektc_img_read_data(ssm, SHORT_RESPONSE_SIZE, 0, capture_read_data_cb);
|
|
|
|
else
|
|
|
|
upektc_img_read_data(ssm, MAX_RESPONSE_SIZE - SHORT_RESPONSE_SIZE,
|
|
|
|
SHORT_RESPONSE_SIZE, capture_read_data_cb);
|
2013-02-08 16:04:30 +00:00
|
|
|
break;
|
|
|
|
case CAPTURE_ACK_00_28:
|
2015-03-19 16:34:08 +00:00
|
|
|
case CAPTURE_ACK_00_28_TERM:
|
2013-02-08 16:04:30 +00:00
|
|
|
upektc_img_submit_req(ssm, upek2020_ack_00_28, sizeof(upek2020_ack_00_28),
|
|
|
|
upekdev->seq, capture_reqs_cb);
|
|
|
|
upekdev->seq++;
|
|
|
|
break;
|
|
|
|
case CAPTURE_ACK_08:
|
|
|
|
upektc_img_submit_req(ssm, upek2020_ack_08, sizeof(upek2020_ack_08),
|
|
|
|
0, capture_reqs_cb);
|
|
|
|
break;
|
|
|
|
case CAPTURE_ACK_FRAME:
|
|
|
|
upektc_img_submit_req(ssm, upek2020_ack_frame, sizeof(upek2020_ack_frame),
|
|
|
|
upekdev->seq, capture_reqs_cb);
|
|
|
|
upekdev->seq++;
|
|
|
|
break;
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
static void capture_sm_complete(struct fpi_ssm *ssm)
|
|
|
|
{
|
|
|
|
struct fp_img_dev *dev = ssm->priv;
|
2015-03-19 16:33:26 +00:00
|
|
|
struct upektc_img_dev *upekdev = dev->priv;
|
2013-02-08 16:04:30 +00:00
|
|
|
int err = ssm->error;
|
|
|
|
|
|
|
|
fp_dbg("Capture completed, %d", err);
|
|
|
|
fpi_ssm_free(ssm);
|
|
|
|
|
|
|
|
if (upekdev->deactivating)
|
|
|
|
start_deactivation(dev);
|
|
|
|
else if (err)
|
|
|
|
fpi_imgdev_session_error(dev, err);
|
|
|
|
else
|
|
|
|
start_capture(dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void start_capture(struct fp_img_dev *dev)
|
|
|
|
{
|
2015-03-19 16:33:26 +00:00
|
|
|
struct upektc_img_dev *upekdev = dev->priv;
|
2013-02-08 16:04:30 +00:00
|
|
|
struct fpi_ssm *ssm;
|
|
|
|
|
|
|
|
upekdev->image_size = 0;
|
|
|
|
|
|
|
|
ssm = fpi_ssm_new(dev->dev, capture_run_state, CAPTURE_NUM_STATES);
|
|
|
|
ssm->priv = dev;
|
|
|
|
fpi_ssm_start(ssm, capture_sm_complete);
|
|
|
|
}
|
|
|
|
|
|
|
|
/****** INITIALIZATION/DEINITIALIZATION ******/
|
|
|
|
|
|
|
|
enum deactivate_states {
|
|
|
|
DEACTIVATE_DEINIT,
|
|
|
|
DEACTIVATE_READ_DEINIT_DATA,
|
|
|
|
DEACTIVATE_NUM_STATES,
|
|
|
|
};
|
|
|
|
|
|
|
|
static void deactivate_reqs_cb(struct libusb_transfer *transfer)
|
|
|
|
{
|
|
|
|
struct fpi_ssm *ssm = transfer->user_data;
|
|
|
|
|
|
|
|
if ((transfer->status == LIBUSB_TRANSFER_COMPLETED) &&
|
|
|
|
(transfer->length == transfer->actual_length)) {
|
|
|
|
fpi_ssm_jump_to_state(ssm, CAPTURE_READ_DATA);
|
|
|
|
} else {
|
|
|
|
fpi_ssm_mark_aborted(ssm, -EIO);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* TODO: process response properly */
|
|
|
|
static void deactivate_read_data_cb(struct libusb_transfer *transfer)
|
|
|
|
{
|
|
|
|
struct fpi_ssm *ssm = transfer->user_data;
|
|
|
|
|
|
|
|
if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
|
|
|
|
fpi_ssm_mark_completed(ssm);
|
|
|
|
} else {
|
|
|
|
fpi_ssm_mark_aborted(ssm, -EIO);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void deactivate_run_state(struct fpi_ssm *ssm)
|
|
|
|
{
|
|
|
|
struct fp_img_dev *dev = ssm->priv;
|
2015-03-19 16:33:26 +00:00
|
|
|
struct upektc_img_dev *upekdev = dev->priv;
|
2013-02-08 16:04:30 +00:00
|
|
|
|
|
|
|
switch (ssm->cur_state) {
|
|
|
|
case DEACTIVATE_DEINIT:
|
|
|
|
upektc_img_submit_req(ssm, upek2020_deinit, sizeof(upek2020_deinit),
|
|
|
|
upekdev->seq, deactivate_reqs_cb);
|
|
|
|
upekdev->seq++;
|
|
|
|
break;
|
|
|
|
case DEACTIVATE_READ_DEINIT_DATA:
|
2013-03-09 11:08:50 +00:00
|
|
|
upektc_img_read_data(ssm, SHORT_RESPONSE_SIZE, 0, deactivate_read_data_cb);
|
2013-02-08 16:04:30 +00:00
|
|
|
break;
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
static void deactivate_sm_complete(struct fpi_ssm *ssm)
|
|
|
|
{
|
|
|
|
struct fp_img_dev *dev = ssm->priv;
|
2015-03-19 16:33:26 +00:00
|
|
|
struct upektc_img_dev *upekdev = dev->priv;
|
2013-02-08 16:04:30 +00:00
|
|
|
int err = ssm->error;
|
|
|
|
|
|
|
|
fp_dbg("Deactivate completed");
|
|
|
|
fpi_ssm_free(ssm);
|
|
|
|
|
|
|
|
if (err) {
|
|
|
|
fpi_imgdev_session_error(dev, err);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
upekdev->deactivating = FALSE;
|
|
|
|
fpi_imgdev_deactivate_complete(dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void start_deactivation(struct fp_img_dev *dev)
|
|
|
|
{
|
2015-03-19 16:33:26 +00:00
|
|
|
struct upektc_img_dev *upekdev = dev->priv;
|
2013-02-08 16:04:30 +00:00
|
|
|
struct fpi_ssm *ssm;
|
|
|
|
|
|
|
|
upekdev->image_size = 0;
|
|
|
|
|
|
|
|
ssm = fpi_ssm_new(dev->dev, deactivate_run_state, DEACTIVATE_NUM_STATES);
|
|
|
|
ssm->priv = dev;
|
|
|
|
fpi_ssm_start(ssm, deactivate_sm_complete);
|
|
|
|
}
|
|
|
|
|
|
|
|
enum activate_states {
|
|
|
|
ACTIVATE_CONTROL_REQ_1,
|
|
|
|
ACTIVATE_READ_CTRL_RESP_1,
|
|
|
|
ACTIVATE_INIT_1,
|
|
|
|
ACTIVATE_READ_INIT_1_RESP,
|
|
|
|
ACTIVATE_INIT_2,
|
|
|
|
ACTIVATE_READ_INIT_2_RESP,
|
|
|
|
ACTIVATE_CONTROL_REQ_2,
|
|
|
|
ACTIVATE_READ_CTRL_RESP_2,
|
|
|
|
ACTIVATE_INIT_3,
|
|
|
|
ACTIVATE_READ_INIT_3_RESP,
|
|
|
|
ACTIVATE_INIT_4,
|
|
|
|
ACTIVATE_READ_INIT_4_RESP,
|
|
|
|
ACTIVATE_NUM_STATES,
|
|
|
|
};
|
|
|
|
|
|
|
|
static void init_reqs_ctrl_cb(struct libusb_transfer *transfer)
|
|
|
|
{
|
|
|
|
struct fpi_ssm *ssm = transfer->user_data;
|
|
|
|
|
|
|
|
if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
|
|
|
|
fpi_ssm_next_state(ssm);
|
|
|
|
} else {
|
|
|
|
fpi_ssm_mark_aborted(ssm, -EIO);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void init_reqs_cb(struct libusb_transfer *transfer)
|
|
|
|
{
|
|
|
|
struct 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_aborted(ssm, -EIO);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* TODO: process response properly */
|
|
|
|
static void init_read_data_cb(struct libusb_transfer *transfer)
|
|
|
|
{
|
|
|
|
struct fpi_ssm *ssm = transfer->user_data;
|
|
|
|
|
|
|
|
if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
|
|
|
|
fpi_ssm_next_state(ssm);
|
|
|
|
} else {
|
|
|
|
fpi_ssm_mark_aborted(ssm, -EIO);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void activate_run_state(struct fpi_ssm *ssm)
|
|
|
|
{
|
|
|
|
struct libusb_transfer *transfer;
|
|
|
|
struct fp_img_dev *dev = ssm->priv;
|
2015-03-19 16:33:26 +00:00
|
|
|
struct upektc_img_dev *upekdev = dev->priv;
|
2013-02-08 16:04:30 +00:00
|
|
|
int r;
|
|
|
|
|
|
|
|
switch (ssm->cur_state) {
|
|
|
|
case ACTIVATE_CONTROL_REQ_1:
|
|
|
|
case ACTIVATE_CONTROL_REQ_2:
|
|
|
|
{
|
|
|
|
unsigned char *data;
|
|
|
|
|
|
|
|
transfer = libusb_alloc_transfer(0);
|
|
|
|
if (!transfer) {
|
|
|
|
fpi_ssm_mark_aborted(ssm, -ENOMEM);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
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, ssm->dev->udev, 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_aborted(ssm, r);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTIVATE_INIT_1:
|
|
|
|
upektc_img_submit_req(ssm, upek2020_init_1, sizeof(upek2020_init_1),
|
|
|
|
0, init_reqs_cb);
|
|
|
|
break;
|
|
|
|
case ACTIVATE_INIT_2:
|
|
|
|
upektc_img_submit_req(ssm, upek2020_init_2, sizeof(upek2020_init_2),
|
|
|
|
0, init_reqs_cb);
|
|
|
|
break;
|
|
|
|
case ACTIVATE_INIT_3:
|
|
|
|
upektc_img_submit_req(ssm, upek2020_init_3, sizeof(upek2020_init_3),
|
|
|
|
0, init_reqs_cb);
|
|
|
|
break;
|
|
|
|
case ACTIVATE_INIT_4:
|
|
|
|
upektc_img_submit_req(ssm, 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:
|
2013-03-09 11:08:50 +00:00
|
|
|
upektc_img_read_data(ssm, SHORT_RESPONSE_SIZE, 0, init_read_data_cb);
|
2013-02-08 16:04:30 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void activate_sm_complete(struct fpi_ssm *ssm)
|
|
|
|
{
|
|
|
|
struct fp_img_dev *dev = ssm->priv;
|
|
|
|
int err = ssm->error;
|
|
|
|
|
|
|
|
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)
|
|
|
|
{
|
2015-03-19 16:33:26 +00:00
|
|
|
struct upektc_img_dev *upekdev = dev->priv;
|
2013-02-08 16:04:30 +00:00
|
|
|
struct fpi_ssm *ssm = fpi_ssm_new(dev->dev, activate_run_state,
|
|
|
|
ACTIVATE_NUM_STATES);
|
|
|
|
ssm->priv = dev;
|
|
|
|
upekdev->seq = 0;
|
|
|
|
fpi_ssm_start(ssm, activate_sm_complete);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void dev_deactivate(struct fp_img_dev *dev)
|
|
|
|
{
|
2015-03-19 16:33:26 +00:00
|
|
|
struct upektc_img_dev *upekdev = dev->priv;
|
2013-02-08 16:04:30 +00:00
|
|
|
|
|
|
|
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;
|
|
|
|
|
|
|
|
r = libusb_claim_interface(dev->udev, 0);
|
|
|
|
if (r < 0) {
|
|
|
|
fp_err("could not claim interface 0");
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2015-03-19 16:33:26 +00:00
|
|
|
dev->priv = g_malloc0(sizeof(struct upektc_img_dev));
|
2013-02-08 16:04:30 +00:00
|
|
|
fpi_imgdev_open_complete(dev, 0);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void dev_deinit(struct fp_img_dev *dev)
|
|
|
|
{
|
|
|
|
g_free(dev->priv);
|
|
|
|
libusb_release_interface(dev->udev, 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;
|
2013-03-09 11:08:50 +00:00
|
|
|
#ifndef ENABLE_UPEKE2
|
|
|
|
if (dsc->idProduct == 0x2016 && dsc->bcdDevice == 2)
|
|
|
|
return 1;
|
|
|
|
#endif
|
2013-02-08 16:04:30 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct usb_id id_table[] = {
|
2013-03-09 11:08:50 +00:00
|
|
|
#ifndef ENABLE_UPEKE2
|
|
|
|
{ .vendor = 0x147e, .product = 0x2016 },
|
|
|
|
#endif
|
2013-02-08 16:04:30 +00:00
|
|
|
{ .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,
|
2015-03-15 13:18:50 +00:00
|
|
|
.bz3_threshold = 20,
|
2013-02-08 16:04:30 +00:00
|
|
|
|
|
|
|
.open = dev_init,
|
|
|
|
.close = dev_deinit,
|
|
|
|
.activate = dev_activate,
|
|
|
|
.deactivate = dev_deactivate,
|
|
|
|
};
|