| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * AuthenTec AES4000 driver for libfprint | ||
| 3 | * | ||
| 4 | * AES4000 is a press-typed sensor, which captures image in 96x96 | ||
| 5 | * pixels. | ||
| 6 | * | ||
| 7 | * This work is derived from Daniel Drake's AES4000 driver. | ||
| 8 | * | ||
| 9 | * Copyright (C) 2013 Juvenn Woo <machese@gmail.com> | ||
| 10 | * Copyright (C) 2007-2008 Daniel Drake <dsd@gentoo.org> | ||
| 11 | * | ||
| 12 | * This library is free software; you can redistribute it and/or | ||
| 13 | * modify it under the terms of the GNU Lesser General Public | ||
| 14 | * License as published by the Free Software Foundation; either | ||
| 15 | * version 2.1 of the License, or (at your option) any later version. | ||
| 16 | * | ||
| 17 | * This library is distributed in the hope that it will be useful, | ||
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 20 | * Lesser General Public License for more details. | ||
| 21 | * | ||
| 22 | * You should have received a copy of the GNU Lesser General Public | ||
| 23 | * License along with this library; if not, write to the Free Software | ||
| 24 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 25 | */ | ||
| 26 | |||
| 27 | #define FP_COMPONENT "aes4000" | ||
| 28 | |||
| 29 | #include "aes3k.h" | ||
| 30 | |||
| 31 | #define DATA_BUFLEN 0x1259 | ||
| 32 | |||
| 33 | /* image size = FRAME_WIDTH x FRAME_WIDTH */ | ||
| 34 | #define FRAME_WIDTH 96 | ||
| 35 | #define FRAME_SIZE (FRAME_WIDTH * AES3K_FRAME_HEIGHT / 2) | ||
| 36 | #define FRAME_NUMBER (FRAME_WIDTH / AES3K_FRAME_HEIGHT) | ||
| 37 | #define ENLARGE_FACTOR 3 | ||
| 38 | |||
| 39 | |||
| 40 | static struct aes_regwrite init_reqs[] = { | ||
| 41 | /* master reset */ | ||
| 42 | { 0x80, 0x01 }, | ||
| 43 | { 0, 0 }, | ||
| 44 | { 0x80, 0x00 }, | ||
| 45 | { 0, 0 }, | ||
| 46 | |||
| 47 | { 0x81, 0x00 }, | ||
| 48 | { 0x80, 0x00 }, | ||
| 49 | { 0, 0 }, | ||
| 50 | |||
| 51 | /* scan reset */ | ||
| 52 | { 0x80, 0x02 }, | ||
| 53 | { 0, 0 }, | ||
| 54 | { 0x80, 0x00 }, | ||
| 55 | { 0, 0 }, | ||
| 56 | |||
| 57 | /* disable register buffering */ | ||
| 58 | { 0x80, 0x04 }, | ||
| 59 | { 0, 0 }, | ||
| 60 | { 0x80, 0x00 }, | ||
| 61 | { 0, 0 }, | ||
| 62 | |||
| 63 | { 0x81, 0x00 }, | ||
| 64 | { 0, 0 }, | ||
| 65 | /* windows driver reads registers now (81 02) */ | ||
| 66 | { 0x80, 0x00 }, | ||
| 67 | { 0x81, 0x00 }, | ||
| 68 | |||
| 69 | /* set excitation bias current: 2mhz drive ring frequency, | ||
| 70 | * 4V drive ring voltage, 16.5mA excitation bias */ | ||
| 71 | { 0x82, 0x04 }, | ||
| 72 | |||
| 73 | /* continuously sample drive ring for finger detection, | ||
| 74 | * 62.50ms debounce delay */ | ||
| 75 | { 0x83, 0x13 }, | ||
| 76 | |||
| 77 | { 0x84, 0x07 }, /* set calibration resistance to 12 kiloohms */ | ||
| 78 | { 0x85, 0x3d }, /* set calibration capacitance */ | ||
| 79 | { 0x86, 0x03 }, /* detect drive voltage */ | ||
| 80 | { 0x87, 0x01 }, /* set detection frequency to 125khz */ | ||
| 81 | { 0x88, 0x02 }, /* set column scan period */ | ||
| 82 | { 0x89, 0x02 }, /* set measure drive */ | ||
| 83 | { 0x8a, 0x33 }, /* set measure frequency and sense amplifier bias */ | ||
| 84 | { 0x8b, 0x33 }, /* set matrix pattern */ | ||
| 85 | { 0x8c, 0x0f }, /* set demodulation phase 1 */ | ||
| 86 | { 0x8d, 0x04 }, /* set demodulation phase 2 */ | ||
| 87 | { 0x8e, 0x23 }, /* set sensor gain */ | ||
| 88 | { 0x8f, 0x07 }, /* set image parameters */ | ||
| 89 | { 0x90, 0x00 }, /* carrier offset null */ | ||
| 90 | { 0x91, 0x1c }, /* set A/D reference high */ | ||
| 91 | { 0x92, 0x08 }, /* set A/D reference low */ | ||
| 92 | { 0x93, 0x00 }, /* set start row to 0 */ | ||
| 93 | { 0x94, 0x05 }, /* set end row to 5 */ | ||
| 94 | { 0x95, 0x00 }, /* set start column to 0 */ | ||
| 95 | { 0x96, 0x18 }, /* set end column to 24*4=96 */ | ||
| 96 | { 0x97, 0x04 }, /* data format and thresholds */ | ||
| 97 | { 0x98, 0x28 }, /* image data control */ | ||
| 98 | { 0x99, 0x00 }, /* disable general purpose outputs */ | ||
| 99 | { 0x9a, 0x0b }, /* set initial scan state */ | ||
| 100 | { 0x9b, 0x00 }, /* clear challenge word bits */ | ||
| 101 | { 0x9c, 0x00 }, /* clear challenge word bits */ | ||
| 102 | { 0x9d, 0x09 }, /* set some challenge word bits */ | ||
| 103 | { 0x9e, 0x53 }, /* clear challenge word bits */ | ||
| 104 | { 0x9f, 0x6b }, /* set some challenge word bits */ | ||
| 105 | { 0, 0 }, | ||
| 106 | }; | ||
| 107 | |||
| 108 | static struct aes_regwrite capture_reqs[] = { | ||
| 109 | { 0x80, 0x00 }, | ||
| 110 | { 0x81, 0x00 }, | ||
| 111 | { 0, 0 }, | ||
| 112 | { 0x81, 0x04 }, | ||
| 113 | { 0, 0 }, | ||
| 114 | { 0x81, 0x00 }, | ||
| 115 | }; | ||
| 116 | |||
| 117 | struct _FpiDeviceAes4000 | ||
| 118 | { | ||
| 119 | FpiDeviceAes3k parent; | ||
| 120 | }; | ||
| 121 | G_DECLARE_FINAL_TYPE (FpiDeviceAes4000, fpi_device_aes4000, FPI, | ||
| 122 | DEVICE_AES4000, FpiDeviceAes3k); | ||
| 123 |
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768 | G_DEFINE_TYPE (FpiDeviceAes4000, fpi_device_aes4000, FPI_TYPE_DEVICE_AES3K); |
| 124 | |||
| 125 | |||
| 126 | static const FpIdEntry id_table[] = { | ||
| 127 | { .vid = 0x08ff, .pid = 0x5501 }, | ||
| 128 | { .vid = 0, .pid = 0, .driver_data = 0 }, | ||
| 129 | }; | ||
| 130 | |||
| 131 | static void | ||
| 132 | ✗ | fpi_device_aes4000_init (FpiDeviceAes4000 *self) | |
| 133 | { | ||
| 134 | ✗ | } | |
| 135 | |||
| 136 | static void | ||
| 137 | 120 | fpi_device_aes4000_class_init (FpiDeviceAes4000Class *klass) | |
| 138 | { | ||
| 139 | 120 | FpDeviceClass *dev_class = FP_DEVICE_CLASS (klass); | |
| 140 | 120 | FpImageDeviceClass *img_class = FP_IMAGE_DEVICE_CLASS (klass); | |
| 141 | 120 | FpiDeviceAes3kClass *aes_class = FPI_DEVICE_AES3K_CLASS (klass); | |
| 142 | |||
| 143 | 120 | dev_class->id = "aes4000"; | |
| 144 | 120 | dev_class->full_name = "AuthenTec AES4000"; | |
| 145 | 120 | dev_class->id_table = id_table; | |
| 146 | |||
| 147 | 120 | img_class->img_height = FRAME_WIDTH * ENLARGE_FACTOR; | |
| 148 | 120 | img_class->img_width = FRAME_WIDTH * ENLARGE_FACTOR; | |
| 149 | |||
| 150 | 120 | aes_class->data_buflen = DATA_BUFLEN; | |
| 151 | 120 | aes_class->frame_width = FRAME_WIDTH; | |
| 152 | 120 | aes_class->frame_size = FRAME_SIZE; | |
| 153 | 120 | aes_class->frame_number = FRAME_NUMBER; | |
| 154 | 120 | aes_class->enlarge_factor = ENLARGE_FACTOR; | |
| 155 | 120 | aes_class->init_reqs = init_reqs; | |
| 156 | 120 | aes_class->init_reqs_len = G_N_ELEMENTS (init_reqs); | |
| 157 | 120 | aes_class->capture_reqs = capture_reqs; | |
| 158 | 120 | aes_class->capture_reqs_len = G_N_ELEMENTS (capture_reqs); | |
| 159 | } | ||
| 160 |