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Add upektc_img driver

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Imaging driver, handles UPEK 147e:2020 device
This commit is contained in:
Vasily Khoruzhick 2013-02-08 19:04:30 +03:00
parent 2bba4fb073
commit d12b294783
8 changed files with 797 additions and 6 deletions
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13
configure.ac
View file

@ -23,7 +23,7 @@ AC_SUBST(lt_major)
AC_SUBST(lt_revision)
AC_SUBST(lt_age)
all_drivers="upeke2 upekts upektc upeksonly vcom5s uru4000 fdu2000 aes1610 aes1660 aes2501 aes2550 aes2660 aes3500 aes4000 vfs101 vfs301"
all_drivers="upeke2 upekts upektc upeksonly vcom5s uru4000 fdu2000 aes1610 aes1660 aes2501 aes2550 aes2660 aes3500 aes4000 vfs101 vfs301 upektc_img"
require_imaging='no'
require_aeslib='no'
@ -45,6 +45,7 @@ enable_aes3500='no'
enable_aes4000='no'
enable_vfs101='no'
enable_vfs301='no'
enable_upektc_img='no'
AC_ARG_WITH([drivers],[AS_HELP_STRING([--with-drivers],
[List of drivers to enable])],
@ -135,6 +136,10 @@ for driver in `echo ${drivers} | sed -e 's/,/ /g' -e 's/,$//g'`; do
AC_DEFINE([ENABLE_VFS301], [], [Build Validity VFS301/VFS300 driver])
enable_vfs301="yes"
;;
upektc_img)
AC_DEFINE([ENABLE_UPEKTC_IMG], [], [Build Upek TouchChip Fingerprint Coprocessor driver])
enable_upektc_img="yes"
;;
esac
done
@ -157,6 +162,7 @@ AM_CONDITIONAL([REQUIRE_AESX660], [test "$require_aesX660" = "yes"])
AM_CONDITIONAL([REQUIRE_AES3K], [test "$require_aes3k" = "yes"])
AM_CONDITIONAL([ENABLE_VFS101], [test "$enable_vfs101" = "yes"])
AM_CONDITIONAL([ENABLE_VFS301], [test "$enable_vfs301" = "yes"])
AM_CONDITIONAL([ENABLE_UPEKTC_IMG], [test "$enable_upektc_img" = "yes"])
PKG_CHECK_MODULES(LIBUSB, [libusb-1.0 >= 0.9.1])
@ -373,6 +379,11 @@ if test x$enable_vfs301 != xno ; then
else
AC_MSG_NOTICE([ vfs301 driver disabled])
fi
if test x$enable_upektc_img != xno ; then
AC_MSG_NOTICE([** upektc_img driver enabled])
else
AC_MSG_NOTICE([ upektc_img driver disabled])
fi
if test x$require_aeslib != xno ; then
AC_MSG_NOTICE([** aeslib helper functions enabled])
else

6
libfprint/Makefile.am
View file

@ -18,6 +18,7 @@ FDU2000_SRC = drivers/fdu2000.c
VCOM5S_SRC = drivers/vcom5s.c
VFS101_SRC = drivers/vfs101.c
VFS301_SRC = drivers/vfs301.c drivers/vfs301_proto.c drivers/vfs301_proto.h drivers/vfs301_proto_fragments.h
UPEKTC_IMG_SRC = drivers/upektc_img.c drivers/upektc_img.h
EXTRA_DIST = \
$(UPEKE2_SRC) \
@ -36,6 +37,7 @@ EXTRA_DIST = \
$(VCOM5S_SRC) \
$(VFS101_SRC) \
$(VFS301_SRC) \
$(UPEKTC_IMG_SRC) \
drivers/aesx660.c \
drivers/aesx660.h \
drivers/aes3k.c \
@ -165,6 +167,10 @@ if ENABLE_VFS301
DRIVER_SRC += $(VFS301_SRC)
endif
if ENABLE_UPEKTC_IMG
DRIVER_SRC += $(UPEKTC_IMG_SRC)
endif
if REQUIRE_IMAGEMAGICK
OTHER_SRC += imagemagick.c
libfprint_la_CFLAGS += $(IMAGING_CFLAGS)

3
libfprint/core.c
View file

@ -389,6 +389,9 @@ static struct fp_img_driver * const img_drivers[] = {
#ifdef ENABLE_UPEKTC
&upektc_driver,
#endif
#ifdef ENABLE_UPEKTC_IMG
&upektc_img_driver,
#endif
/*#ifdef ENABLE_FDU2000
&fdu2000_driver,
#endif

1
libfprint/drivers/driver_ids.h
View file

@ -37,6 +37,7 @@ enum {
AES1660_ID = 14,
AES2660_ID = 15,
AES3500_ID = 16,
UPEKTC_IMG_ID = 17,
};
#endif

5
libfprint/drivers/upeke2.c
View file

@ -48,7 +48,6 @@
enum {
UPEKE2_2016,
UPEKE2_2020,
};
struct upeke2_dev {
@ -856,9 +855,6 @@ static int discover(struct libusb_device_descriptor *dsc, uint32_t *devtype)
if (dsc->idProduct == 0x2016 && dsc->bcdDevice == 2)
return 1;
if (dsc->idProduct == 0x2020 && dsc->bcdDevice == 1)
return 1;
return 0;
}
@ -1461,7 +1457,6 @@ static int verify_stop(struct fp_dev *dev, gboolean iterating)
static const struct usb_id id_table[] = {
{ .vendor = 0x147e, .product = 0x2016, .driver_data = UPEKE2_2016 },
{ .vendor = 0x147e, .product = 0x2020, .driver_data = UPEKE2_2020 },
{ 0, 0, 0, }, /* terminating entry */
};

628
libfprint/drivers/upektc_img.c Normal file
View file

@ -0,0 +1,628 @@
/*
* UPEK TouchChip driver for libfprint
* Copyright (C) 2013 Vasily Khoruzhick <anarsoul@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define FP_COMPONENT "upekts_img"
#include <errno.h>
#include <string.h>
#include <libusb.h>
#include <aeslib.h>
#include <fp_internal.h>
#include "upektc_img.h"
#include "driver_ids.h"
static void start_capture(struct fp_img_dev *dev);
static void start_deactivation(struct fp_img_dev *dev);
#define EP_IN (1 | LIBUSB_ENDPOINT_IN)
#define EP_OUT (2 | LIBUSB_ENDPOINT_OUT)
#define CTRL_TIMEOUT 4000
#define BULK_TIMEOUT 4000
#define IMAGE_WIDTH 144
#define IMAGE_HEIGHT 384
#define IMAGE_SIZE (IMAGE_WIDTH * IMAGE_HEIGHT)
#define MAX_CMD_SIZE 64
#define MAX_RESPONSE_SIZE 2052
#define SHORT_RESPONSE_SIZE 64
struct upekts_img_dev {
unsigned char cmd[MAX_CMD_SIZE];
unsigned char image_bits[IMAGE_SIZE * 2];
unsigned char seq;
size_t image_size;
gboolean deactivating;
};
/****** HELPERS ******/
static const uint16_t crc_table[256] = {
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
};
static uint16_t udf_crc(unsigned char *buffer, size_t size)
{
uint16_t crc = 0;
while (size--)
crc = (uint16_t) ((crc << 8) ^
crc_table[((crc >> 8) & 0x00ff) ^ *buffer++]);
return crc;
}
static void upektc_img_cmd_fix_seq(unsigned char *cmd_buf, unsigned char seq)
{
uint8_t byte;
byte = cmd_buf[5];
byte &= 0x0f;
byte |= (seq << 4);
cmd_buf[5] = byte;
}
static void upektc_img_cmd_update_crc(unsigned char *cmd_buf, size_t size)
{
/* CRC does not cover Ciao prefix (4 bytes) and CRC location (2 bytes) */
uint16_t crc = udf_crc(cmd_buf + 4, size - 6);
cmd_buf[size - 2] = (crc & 0x00ff);
cmd_buf[size - 1] = (crc & 0xff00) >> 8;
}
static void upektc_img_submit_req(struct fpi_ssm *ssm,
const unsigned char *buf, size_t buf_size, unsigned char seq,
libusb_transfer_cb_fn cb)
{
struct fp_img_dev *dev = ssm->priv;
struct upekts_img_dev *upekdev = dev->priv;
struct libusb_transfer *transfer = libusb_alloc_transfer(0);
int r;
BUG_ON(buf_size > MAX_CMD_SIZE);
if (!transfer) {
fpi_ssm_mark_aborted(ssm, -ENOMEM);
return;
}
transfer->flags |= LIBUSB_TRANSFER_FREE_TRANSFER;
memcpy(upekdev->cmd, buf, buf_size);
upektc_img_cmd_fix_seq(upekdev->cmd, seq);
upektc_img_cmd_update_crc(upekdev->cmd, buf_size);
libusb_fill_bulk_transfer(transfer, dev->udev, EP_OUT, upekdev->cmd, buf_size,
cb, ssm, BULK_TIMEOUT);
r = libusb_submit_transfer(transfer);
if (r < 0) {
libusb_free_transfer(transfer);
fpi_ssm_mark_aborted(ssm, r);
}
}
static void upektc_img_read_data(struct fpi_ssm *ssm, size_t buf_size, libusb_transfer_cb_fn cb)
{
struct libusb_transfer *transfer = libusb_alloc_transfer(0);
struct fp_img_dev *dev = ssm->priv;
int r;
unsigned char *data;
if (!transfer) {
fpi_ssm_mark_aborted(ssm, -ENOMEM);
return;
}
transfer->flags |= LIBUSB_TRANSFER_FREE_BUFFER |
LIBUSB_TRANSFER_FREE_TRANSFER;
data = g_malloc(buf_size);
libusb_fill_bulk_transfer(transfer, dev->udev, EP_IN, data, buf_size,
cb, ssm, BULK_TIMEOUT);
r = libusb_submit_transfer(transfer);
if (r < 0) {
g_free(data);
libusb_free_transfer(transfer);
fpi_ssm_mark_aborted(ssm, r);
}
}
/****** CAPTURE ******/
enum capture_states {
CAPTURE_INIT_CAPTURE,
CAPTURE_READ_DATA,
CAPTURE_ACK_00_28,
CAPTURE_ACK_08,
CAPTURE_ACK_FRAME,
CAPTURE_NUM_STATES,
};
static void capture_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);
}
}
static int upektc_img_process_image_frame(unsigned char *image_buf, unsigned char *cmd_res)
{
int offset = 8;
int len = ((cmd_res[5] & 0x0f) << 8) | (cmd_res[6]);
len -= 1;
if (cmd_res[7] == 0x2c) {
len -= 10;
offset += 10;
}
if (cmd_res[7] == 0x20) {
len -= 4;
}
memcpy(image_buf, cmd_res + offset, len);
return len;
}
static void capture_read_data_cb(struct libusb_transfer *transfer)
{
struct fpi_ssm *ssm = transfer->user_data;
struct fp_img_dev *dev = ssm->priv;
struct upekts_img_dev *upekdev = dev->priv;
unsigned char *data = transfer->buffer;
struct fp_img *img;
if (transfer->status != LIBUSB_TRANSFER_COMPLETED) {
fp_dbg("request is not completed, %d", transfer->status);
fpi_ssm_mark_aborted(ssm, -EIO);
return;
}
fp_dbg("request completed, len: %.4x", transfer->actual_length);
if (transfer->actual_length == 0) {
fpi_ssm_jump_to_state(ssm, CAPTURE_READ_DATA);
return;
}
if (upekdev->deactivating) {
fp_dbg("Deactivate requested\n");
fpi_ssm_mark_completed(ssm);
return;
}
switch (data[4]) {
case 0x00:
switch (data[7]) {
/* No finger */
case 0x28:
fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_00_28);
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);
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");
fpi_ssm_mark_aborted(ssm, -EINVAL);
break;
}
break;
case 0x08:
fpi_ssm_jump_to_state(ssm, CAPTURE_ACK_08);
break;
}
}
static void capture_run_state(struct fpi_ssm *ssm)
{
struct fp_img_dev *dev = ssm->priv;
struct upekts_img_dev *upekdev = dev->priv;
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:
upektc_img_read_data(ssm, MAX_RESPONSE_SIZE, capture_read_data_cb);
break;
case CAPTURE_ACK_00_28:
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;
struct upekts_img_dev *upekdev = dev->priv;
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)
{
struct upekts_img_dev *upekdev = dev->priv;
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;
struct upekts_img_dev *upekdev = dev->priv;
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:
upektc_img_read_data(ssm, MAX_RESPONSE_SIZE, deactivate_read_data_cb);
break;
};
}
static void deactivate_sm_complete(struct fpi_ssm *ssm)
{
struct fp_img_dev *dev = ssm->priv;
struct upekts_img_dev *upekdev = dev->priv;
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)
{
struct upekts_img_dev *upekdev = dev->priv;
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;
struct upekts_img_dev *upekdev = dev->priv;
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:
upektc_img_read_data(ssm, SHORT_RESPONSE_SIZE, init_read_data_cb);
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)
{
struct upekts_img_dev *upekdev = dev->priv;
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)
{
struct upekts_img_dev *upekdev = dev->priv;
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;
}
dev->priv = g_malloc0(sizeof(struct upekts_img_dev));
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;
return 0;
}
static const struct usb_id id_table[] = {
{ .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 = 70,
.open = dev_init,
.close = dev_deinit,
.activate = dev_activate,
.deactivate = dev_deactivate,
};

144
libfprint/drivers/upektc_img.h Normal file
View file

@ -0,0 +1,144 @@
/*
* Upek TouchChip Fingerprint Coprocessor definitions
* Copyright (c) 2013 Vasily Khoruzhick <anarsoul@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __UPEKTC_IMG_H
#define __UPEKTC_IMG_H
static const unsigned char upek2020_init_1[] = {
'C', 'i', 'a', 'o',
0x04,
0x00, 0x0d,
0x01, 0x00, 0x46, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x01, 0x00, 0x00, 0x00,
0xda, 0xc1
};
static const unsigned char upek2020_init_2[] = {
0x43, 0x69, 0x61, 0x6f,
0x07,
0x00, 0x01,
0x01,
0x3d, 0x72
};
static const unsigned char upek2020_init_3[] = {
'C', 'i', 'a', 'o',
0x04,
0x00, 0x0d,
0x01, 0x00, 0xbc, 0x02, 0x00, 0x00, 0x00, 0x00, 0x01,
0x01, 0x00, 0x00, 0x00,
0x55, 0x2f
};
static const unsigned char upek2020_init_4[] = {
'C', 'i', 'a', 'o',
0x00,
0x00, 0x07,
0x28, 0x04, 0x00, 0x00, 0x00, 0x06, 0x04,
0xc0, 0xd6
};
static const unsigned char upek2020_deinit[] = {
'C', 'i', 'a', 'o',
0x07,
0x00, 0x01,
0x01,
0x3d,
0x72
};
static const unsigned char upek2020_init_capture[] = {
'C', 'i', 'a', 'o',
0x00,
0x00, 0x0e, /* Seq = 7, len = 0x00e */
0x28, /* CMD = 0x28 */
0x0b, 0x00, /* Inner len = 0x000b */
0x00, 0x00,
0x0e, /* SUBCMD = 0x0e */
0x02,
0xfe, 0xff, 0xff, 0xff, /* timeout = -2 = 0xfffffffe = infinite time */
0x02,
0x00, /* Wait for acceptable finger */
0x02,
0x14, 0x9a /* CRC */
};
#if 0
static const unsigned char finger_status[] = {
'C', 'i', 'a', 'o',
0x00,
0x70, 0x14, /* Seq = 7, len = 0x014 */
0x28, /* CMD = 0x28 */
0x11, 0x00, /* Inner len = 0x0011 */
0x00, 0x00, 0x00, 0x20, 0x01, 0x00, 0x00, 0x00,
0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00,
0x26, 0x03, /* CRC */
0x00, 0x00, 0x00, /* Rest is garbage */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
#endif
static const unsigned char upek2020_ack_00_28[] = {
'C', 'i', 'a', 'o',
0x00,
0x80, 0x08, /* Seq = 8, len = 0x008 */
0x28, /* CMD = 0x28 */
0x05, 0x00, /* Inner len = 0x0005 */
0x00, 0x00, 0x00, 0x30, 0x01,
0x6a, 0xc4 /* CRC */
};
#if 0
/* No seq should be tracked here */
static const unsigned char got_finger[] = {
'C', 'i', 'a', 'o',
0x08,
0x00, 0x00, /* Seq = 0, len = 0x000 */
0xa1, 0xa9, /* CRC */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Rest is garbage */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
#endif
/* No seq should be put in there */
static const unsigned char upek2020_ack_08[] = {
'C', 'i', 'a', 'o',
0x09,
0x00, 0x00, /* Seq = 0, len = 0x0 */
0x91, 0x9e /* CRC */
};
static const unsigned char upek2020_ack_frame[] = {
'C', 'i', 'a', 'o',
0x00,
0x50, 0x01, /* Seq = 5, len = 0x001 */
0x30,
0xac, 0x5b /* CRC */
};
#endif

3
libfprint/fp_internal.h
View file

@ -294,6 +294,9 @@ extern struct fp_img_driver vfs101_driver;
#ifdef ENABLE_VFS301
extern struct fp_img_driver vfs301_driver;
#endif
#ifdef ENABLE_UPEKTC_IMG
extern struct fp_img_driver upektc_img_driver;
#endif
extern libusb_context *fpi_usb_ctx;
extern GSList *opened_devices;