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.
620 lines
17 KiB
C
620 lines
17 KiB
C
/*
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* AuthenTec AES2550/AES2810 driver for libfprint
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* Copyright (C) 2007-2008 Daniel Drake <dsd@gentoo.org>
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* Copyright (C) 2007 Cyrille Bagard
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* Copyright (C) 2007-2012 Vasily Khoruzhick
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*
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* Based on AES2501 driver
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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 "aes2550"
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#include "drivers_api.h"
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#include "aes2550.h"
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#include "aeslib.h"
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static void start_capture(struct fp_img_dev *dev);
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static void complete_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 BULK_TIMEOUT 4000
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/*
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* The AES2550 is an imaging device using a swipe-type sensor. It samples
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* the finger at preprogrammed intervals, sending a 192x16 frame to the
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* computer.
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* Unless the user is scanning their finger unreasonably fast, the frames
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* *will* overlap. The implementation below detects this overlap and produces
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* a contiguous image as the end result.
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* The fact that the user determines the length of the swipe (and hence the
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* number of useful frames) and also the fact that overlap varies means that
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* images returned from this driver vary in height.
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*/
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#define FRAME_WIDTH 192
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#define FRAME_HEIGHT 8
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#define FRAME_SIZE (FRAME_WIDTH * FRAME_HEIGHT)
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#define IMAGE_WIDTH (FRAME_WIDTH + (FRAME_WIDTH / 2))
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struct aes2550_dev {
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GSList *strips;
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size_t strips_len;
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gboolean deactivating;
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int heartbeat_cnt;
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};
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static struct fpi_frame_asmbl_ctx assembling_ctx = {
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.frame_width = FRAME_WIDTH,
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.frame_height = FRAME_HEIGHT,
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.image_width = IMAGE_WIDTH,
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.get_pixel = aes_get_pixel,
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};
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/****** FINGER PRESENCE DETECTION ******/
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static unsigned char finger_det_reqs[] = {
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0x80, AES2550_REG80_MASTER_RESET,
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0x95, (8 << AES2550_REG95_COL_SCANNED_OFS) | (1 << AES2550_REG95_EPIX_AVG_OFS),
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0xad, 0x00,
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0xbd, (0 << AES2550_REGBD_LPO_IN_15_8_OFS),
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0xbe, (0 << AES2550_REGBE_LPO_IN_7_0_OFS),
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0xcf, AES2550_REGCF_INTERFERENCE_CHK_EN,
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AES2550_CMD_HEARTBEAT, 0x00, 0x01, 0x00, /* Heart beat off */
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AES2550_CMD_RUN_FD,
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};
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static void start_finger_detection(struct fp_img_dev *dev);
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static void finger_det_data_cb(struct libusb_transfer *transfer)
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{
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struct fp_img_dev *dev = transfer->user_data;
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unsigned char *data = transfer->buffer;
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if (transfer->status != LIBUSB_TRANSFER_COMPLETED) {
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fp_dbg("data transfer status %d\n", transfer->status);
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fpi_imgdev_session_error(dev, -EIO);
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goto out;
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}
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fp_dbg("transfer completed, len: %.4x, data: %.2x %.2x",
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transfer->actual_length, (int)data[0], (int)data[1]);
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/* Check if we got 2 bytes, reg address 0x83 and its value */
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if ((transfer->actual_length >= 2) && (data[0] == 0x83) && (data[1] & AES2550_REG83_FINGER_PRESENT)) {
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/* finger present, start capturing */
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fpi_imgdev_report_finger_status(dev, TRUE);
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start_capture(dev);
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} else {
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/* no finger, poll for a new histogram */
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start_finger_detection(dev);
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}
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out:
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g_free(data);
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libusb_free_transfer(transfer);
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}
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static void finger_det_reqs_cb(struct libusb_transfer *t)
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{
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struct libusb_transfer *transfer;
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unsigned char *data;
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int r;
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struct fp_img_dev *dev = t->user_data;
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if (t->status != LIBUSB_TRANSFER_COMPLETED) {
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fp_dbg("req transfer status %d\n", t->status);
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fpi_imgdev_session_error(dev, -EIO);
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goto exit_free_transfer;
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} else if (t->length != t->actual_length) {
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fp_dbg("expected %d, got %d bytes", t->length, t->actual_length);
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fpi_imgdev_session_error(dev, -EPROTO);
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goto exit_free_transfer;
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}
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transfer = fpi_usb_alloc();
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/* 2 bytes of result */
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data = g_malloc(AES2550_EP_IN_BUF_SIZE);
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libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_IN, data, AES2550_EP_IN_BUF_SIZE,
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finger_det_data_cb, dev, BULK_TIMEOUT);
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r = libusb_submit_transfer(transfer);
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if (r < 0) {
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g_free(data);
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libusb_free_transfer(transfer);
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fpi_imgdev_session_error(dev, r);
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}
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exit_free_transfer:
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libusb_free_transfer(t);
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}
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static void start_finger_detection(struct fp_img_dev *dev)
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{
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int r;
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struct aes2550_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev));
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struct libusb_transfer *transfer;
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G_DEBUG_HERE();
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if (aesdev->deactivating) {
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complete_deactivation(dev);
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return;
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}
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transfer = fpi_usb_alloc();
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libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_OUT, finger_det_reqs,
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sizeof(finger_det_reqs), finger_det_reqs_cb, dev, 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_imgdev_session_error(dev, r);
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}
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}
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/****** CAPTURE ******/
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static unsigned char capture_reqs[] = {
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0x80, AES2550_REG80_MASTER_RESET,
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0x80, (1 << AES2550_REG80_SENSOR_MODE_OFS) | (AES2550_REG80_HGC_ENABLE),
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0x85, AES2550_REG85_FLUSH_PER_FRAME,
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0x8f, AES2550_REG8F_AUTH_DISABLE | AES2550_REG8F_EHISTO_DISABLE,
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0xbf, AES2550_REGBF_RSR_DIR_UPDOWN_MOTION | AES2550_REGBF_RSR_LEVEL_SUPER_RSR,
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0xcf, (3 << AES2550_REGCF_INTERFERENCE_AVG_OFFS) | AES2550_REGCF_INTERFERENCE_AVG_EN,
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0xdc, (1 << AES2550_REGDC_BP_NUM_REF_SWEEP_OFS),
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AES2550_CMD_HEARTBEAT, 0x00, 0x01, 0x03, /* Heart beat cmd, 3 * 16 cycles without sending image */
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AES2550_CMD_GET_ENROLL_IMG,
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};
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static unsigned char capture_set_idle_reqs[] = {
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0x80, AES2550_REG80_MASTER_RESET,
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AES2550_CMD_HEARTBEAT, 0x00, 0x01, 0x00, /* Heart beat off */
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AES2550_CMD_SET_IDLE_MODE,
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};
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enum capture_states {
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CAPTURE_WRITE_REQS,
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CAPTURE_READ_DATA,
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CAPTURE_SET_IDLE,
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CAPTURE_NUM_STATES,
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};
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/* Returns number of processed bytes */
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static int process_strip_data(fpi_ssm *ssm, struct fp_img_dev *dev, unsigned char *data)
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{
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unsigned char *stripdata;
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struct aes2550_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev));
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struct fpi_frame *stripe;
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int len;
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if (data[0] != AES2550_EDATA_MAGIC) {
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fp_dbg("Bogus magic: %.2x\n", (int)(data[0]));
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return -EPROTO;
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}
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len = data[1] * 256 + data[2];
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if (len != (AES2550_STRIP_SIZE - 3)) {
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fp_dbg("Bogus frame len: %.4x\n", len);
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}
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stripe = g_malloc(FRAME_WIDTH * FRAME_HEIGHT / 2 + sizeof(struct fpi_frame)); /* 4 bits per pixel */
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stripe->delta_x = (int8_t)data[6];
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stripe->delta_y = -(int8_t)data[7];
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stripdata = stripe->data;
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memcpy(stripdata, data + 33, FRAME_WIDTH * FRAME_HEIGHT / 2);
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aesdev->strips = g_slist_prepend(aesdev->strips, stripe);
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aesdev->strips_len++;
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fp_dbg("deltas: %dx%d", stripe->delta_x, stripe->delta_y);
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return 0;
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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_next_state(ssm);
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} else {
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fpi_ssm_mark_failed(ssm, -EIO);
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}
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libusb_free_transfer(transfer);
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}
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static void capture_set_idle_reqs_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 aes2550_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev));
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if ((transfer->status == LIBUSB_TRANSFER_COMPLETED) &&
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(transfer->length == transfer->actual_length) &&
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aesdev->strips_len) {
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struct fp_img *img;
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aesdev->strips = g_slist_reverse(aesdev->strips);
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img = fpi_assemble_frames(&assembling_ctx,
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aesdev->strips, aesdev->strips_len);
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img->flags |= FP_IMG_PARTIAL;
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g_slist_free_full(aesdev->strips, g_free);
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aesdev->strips = NULL;
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aesdev->strips_len = 0;
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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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/* marking machine complete will re-trigger finger detection loop */
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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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libusb_free_transfer(transfer);
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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 aes2550_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev));
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unsigned char *data = transfer->buffer;
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int r;
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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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goto out;
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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 >= 2)
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fp_dbg("data: %.2x %.2x", (int)data[0], (int)data[1]);
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switch (transfer->actual_length) {
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case AES2550_STRIP_SIZE:
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r = process_strip_data(ssm, dev, data);
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if (r < 0) {
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fp_dbg("Processing strip data failed: %d", r);
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fpi_ssm_mark_failed(ssm, -EPROTO);
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goto out;
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}
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aesdev->heartbeat_cnt = 0;
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fpi_ssm_jump_to_state(ssm, CAPTURE_READ_DATA);
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break;
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case AES2550_HEARTBEAT_SIZE:
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if (data[0] == AES2550_HEARTBEAT_MAGIC) {
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/* No data for a long time => finger was removed or there's no movement */
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aesdev->heartbeat_cnt++;
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if (aesdev->heartbeat_cnt == 3) {
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/* Got 3 heartbeat message, that's enough to consider that finger was removed,
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* assemble image and submit it to the library */
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fp_dbg("Got 3 heartbeats => finger removed");
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fpi_ssm_next_state(ssm);
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} else {
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fpi_ssm_jump_to_state(ssm, CAPTURE_READ_DATA);
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}
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}
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break;
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default:
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fp_dbg("Short frame %d, skip", transfer->actual_length);
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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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out:
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g_free(transfer->buffer);
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libusb_free_transfer(transfer);
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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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int r;
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switch (fpi_ssm_get_cur_state(ssm)) {
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case CAPTURE_WRITE_REQS:
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{
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struct libusb_transfer *transfer = fpi_usb_alloc();
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libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_OUT, capture_reqs,
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sizeof(capture_reqs), capture_reqs_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, -ENOMEM);
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}
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}
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break;
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case CAPTURE_READ_DATA:
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{
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struct libusb_transfer *transfer = fpi_usb_alloc();
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unsigned char *data;
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data = g_malloc(AES2550_EP_IN_BUF_SIZE);
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libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_IN, data, AES2550_EP_IN_BUF_SIZE,
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capture_read_data_cb, ssm, BULK_TIMEOUT);
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r = libusb_submit_transfer(transfer);
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if (r < 0) {
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g_free(data);
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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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break;
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case CAPTURE_SET_IDLE:
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{
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struct libusb_transfer *transfer = fpi_usb_alloc();
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libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_OUT, capture_set_idle_reqs,
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sizeof(capture_set_idle_reqs), capture_set_idle_reqs_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, -ENOMEM);
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}
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}
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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 aes2550_dev *aesdev = FP_INSTANCE_DATA(_dev);
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fp_dbg("Capture completed");
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if (aesdev->deactivating)
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complete_deactivation(dev);
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else if (fpi_ssm_get_error(ssm))
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fpi_imgdev_session_error(dev, fpi_ssm_get_error(ssm));
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else
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start_finger_detection(dev);
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fpi_ssm_free(ssm);
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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 aes2550_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev));
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fpi_ssm *ssm;
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if (aesdev->deactivating) {
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complete_deactivation(dev);
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return;
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}
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aesdev->heartbeat_cnt = 0;
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ssm = fpi_ssm_new(FP_DEV(dev), capture_run_state, CAPTURE_NUM_STATES, dev);
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G_DEBUG_HERE();
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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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static unsigned char init_reqs[] = {
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0x80, AES2550_REG80_MASTER_RESET, /* Master reset */
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0x80, (1 << AES2550_REG80_SENSOR_MODE_OFS) | (AES2550_REG80_FORCE_FINGER_PRESENT),
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0x85, AES2550_REG85_FLUSH_PER_FRAME,
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0xa8, AES2550_REGA8_DIG_BIT_EN,
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0x81, AES2550_REG81_NSHOT,
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};
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static unsigned char calibrate_reqs[] = {
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0x80, AES2550_REG80_MASTER_RESET, /* Master reset */
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AES2550_CMD_CALIBRATE,
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AES2550_CMD_READ_CALIBRATION_DATA,
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};
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enum activate_states {
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WRITE_INIT,
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READ_DATA,
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CALIBRATE,
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READ_CALIB_TABLE,
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ACTIVATE_NUM_STATES,
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};
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static void init_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_next_state(ssm);
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} else {
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fpi_ssm_mark_failed(ssm, -EIO);
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}
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libusb_free_transfer(transfer);
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}
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static void init_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_next_state(ssm);
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} else {
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fpi_ssm_mark_failed(ssm, -EIO);
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}
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g_free(transfer->buffer);
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libusb_free_transfer(transfer);
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}
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/* TODO: use calibration table, datasheet is rather terse on that
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* need more info for implementaion */
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static void calibrate_read_data_cb(struct libusb_transfer *transfer)
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{
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fpi_ssm *ssm = transfer->user_data;
|
|
|
|
if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
|
|
fpi_ssm_next_state(ssm);
|
|
} else {
|
|
fpi_ssm_mark_failed(ssm, -EIO);
|
|
}
|
|
g_free(transfer->buffer);
|
|
libusb_free_transfer(transfer);
|
|
}
|
|
|
|
static void activate_run_state(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data)
|
|
{
|
|
struct fp_img_dev *dev = user_data;
|
|
int r;
|
|
|
|
switch (fpi_ssm_get_cur_state(ssm)) {
|
|
case WRITE_INIT:
|
|
{
|
|
struct libusb_transfer *transfer = fpi_usb_alloc();
|
|
|
|
libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_OUT, init_reqs,
|
|
sizeof(init_reqs), init_reqs_cb, ssm, BULK_TIMEOUT);
|
|
r = libusb_submit_transfer(transfer);
|
|
if (r < 0) {
|
|
libusb_free_transfer(transfer);
|
|
fpi_ssm_mark_failed(ssm, -ENOMEM);
|
|
}
|
|
}
|
|
break;
|
|
case READ_DATA:
|
|
{
|
|
struct libusb_transfer *transfer = fpi_usb_alloc();
|
|
unsigned char *data;
|
|
|
|
data = g_malloc(AES2550_EP_IN_BUF_SIZE);
|
|
libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_IN, data, AES2550_EP_IN_BUF_SIZE,
|
|
init_read_data_cb, ssm, BULK_TIMEOUT);
|
|
|
|
r = libusb_submit_transfer(transfer);
|
|
if (r < 0) {
|
|
g_free(data);
|
|
libusb_free_transfer(transfer);
|
|
fpi_ssm_mark_failed(ssm, r);
|
|
}
|
|
}
|
|
break;
|
|
case CALIBRATE:
|
|
{
|
|
struct libusb_transfer *transfer = fpi_usb_alloc();
|
|
|
|
libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_OUT, calibrate_reqs,
|
|
sizeof(calibrate_reqs), init_reqs_cb, ssm, BULK_TIMEOUT);
|
|
r = libusb_submit_transfer(transfer);
|
|
if (r < 0) {
|
|
libusb_free_transfer(transfer);
|
|
fpi_ssm_mark_failed(ssm, -ENOMEM);
|
|
}
|
|
}
|
|
break;
|
|
case READ_CALIB_TABLE:
|
|
{
|
|
struct libusb_transfer *transfer = fpi_usb_alloc();
|
|
unsigned char *data;
|
|
|
|
data = g_malloc(AES2550_EP_IN_BUF_SIZE);
|
|
libusb_fill_bulk_transfer(transfer, fpi_dev_get_usb_dev(FP_DEV(dev)), EP_IN, data, AES2550_EP_IN_BUF_SIZE,
|
|
calibrate_read_data_cb, ssm, BULK_TIMEOUT);
|
|
|
|
r = libusb_submit_transfer(transfer);
|
|
if (r < 0) {
|
|
g_free(data);
|
|
libusb_free_transfer(transfer);
|
|
fpi_ssm_mark_failed(ssm, r);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void activate_sm_complete(fpi_ssm *ssm, struct fp_dev *_dev, void *user_data)
|
|
{
|
|
struct fp_img_dev *dev = user_data;
|
|
fp_dbg("status %d", fpi_ssm_get_error(ssm));
|
|
fpi_imgdev_activate_complete(dev, fpi_ssm_get_error(ssm));
|
|
|
|
if (!fpi_ssm_get_error(ssm))
|
|
start_finger_detection(dev);
|
|
fpi_ssm_free(ssm);
|
|
}
|
|
|
|
static int dev_activate(struct fp_img_dev *dev, enum fp_imgdev_state state)
|
|
{
|
|
fpi_ssm *ssm = fpi_ssm_new(FP_DEV(dev), activate_run_state,
|
|
ACTIVATE_NUM_STATES, dev);
|
|
fpi_ssm_start(ssm, activate_sm_complete);
|
|
return 0;
|
|
}
|
|
|
|
static void dev_deactivate(struct fp_img_dev *dev)
|
|
{
|
|
struct aes2550_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev));
|
|
|
|
aesdev->deactivating = TRUE;
|
|
}
|
|
|
|
static void complete_deactivation(struct fp_img_dev *dev)
|
|
{
|
|
struct aes2550_dev *aesdev = FP_INSTANCE_DATA(FP_DEV(dev));
|
|
G_DEBUG_HERE();
|
|
|
|
aesdev->deactivating = FALSE;
|
|
g_slist_free(aesdev->strips);
|
|
aesdev->strips = NULL;
|
|
aesdev->strips_len = 0;
|
|
fpi_imgdev_deactivate_complete(dev);
|
|
}
|
|
|
|
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 aes2550_dev *aes2550_dev;
|
|
|
|
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;
|
|
}
|
|
|
|
aes2550_dev = g_malloc0(sizeof(struct aes2550_dev));
|
|
fp_dev_set_instance_data(FP_DEV(dev), aes2550_dev);
|
|
fpi_imgdev_open_complete(dev, 0);
|
|
return 0;
|
|
}
|
|
|
|
static void dev_deinit(struct fp_img_dev *dev)
|
|
{
|
|
struct aes2550_dev *aesdev;
|
|
aesdev = FP_INSTANCE_DATA(FP_DEV(dev));
|
|
g_free(aesdev);
|
|
libusb_release_interface(fpi_dev_get_usb_dev(FP_DEV(dev)), 0);
|
|
fpi_imgdev_close_complete(dev);
|
|
}
|
|
|
|
static const struct usb_id id_table[] = {
|
|
{ .vendor = 0x08ff, .product = 0x2550 }, /* AES2550 */
|
|
{ .vendor = 0x08ff, .product = 0x2810 }, /* AES2810 */
|
|
{ 0, 0, 0, },
|
|
};
|
|
|
|
struct fp_img_driver aes2550_driver = {
|
|
.driver = {
|
|
.id = AES2550_ID,
|
|
.name = FP_COMPONENT,
|
|
.full_name = "AuthenTec AES2550/AES2810",
|
|
.id_table = id_table,
|
|
.scan_type = FP_SCAN_TYPE_SWIPE,
|
|
},
|
|
.flags = 0,
|
|
.img_height = -1,
|
|
.img_width = FRAME_WIDTH + FRAME_WIDTH / 2,
|
|
|
|
.open = dev_init,
|
|
.close = dev_deinit,
|
|
.activate = dev_activate,
|
|
.deactivate = dev_deactivate,
|
|
};
|