blob: c2ff169dca2e6ab080f9ded8a1c0cc5d6839311c [file] [log] [blame]
Sasha Levitskiya747c062014-03-24 16:14:42 -07001/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16#define LOG_TAG "FingerprintHal"
17
18#include <errno.h>
19#include <string.h>
20#include <cutils/log.h>
21#include <hardware/hardware.h>
22#include <hardware/fingerprint.h>
23
24static int fingerprint_close(hw_device_t *dev)
25{
26 if (dev) {
27 free(dev);
28 return 0;
29 } else {
30 return -1;
31 }
32}
33
Sasha Levitskiy73082842014-04-18 11:14:11 -070034static int fingerprint_enroll(struct fingerprint_device __unused *dev,
35 unsigned __unused timeout_sec) {
Sasha Levitskiya747c062014-03-24 16:14:42 -070036 return FINGERPRINT_ERROR;
37}
38
Sasha Levitskiy73082842014-04-18 11:14:11 -070039static int fingerprint_remove(struct fingerprint_device __unused *dev,
40 uint16_t __unused fingerprint_id) {
Sasha Levitskiya747c062014-03-24 16:14:42 -070041 return FINGERPRINT_ERROR;
42}
43
Sasha Levitskiy73082842014-04-18 11:14:11 -070044static int set_notify_callback(struct fingerprint_device *dev,
45 fingerprint_notify_t notify) {
46 /* Decorate with locks */
47 dev->notify = notify;
Sasha Levitskiya747c062014-03-24 16:14:42 -070048 return FINGERPRINT_ERROR;
49}
50
Sasha Levitskiy73082842014-04-18 11:14:11 -070051static int fingerprint_open(const hw_module_t* module, const char __unused *id,
Sasha Levitskiya747c062014-03-24 16:14:42 -070052 hw_device_t** device)
53{
Sasha Levitskiya747c062014-03-24 16:14:42 -070054 if (device == NULL) {
55 ALOGE("NULL device on open");
56 return -EINVAL;
57 }
58
59 fingerprint_device_t *dev = malloc(sizeof(fingerprint_device_t));
60 memset(dev, 0, sizeof(fingerprint_device_t));
61
62 dev->common.tag = HARDWARE_DEVICE_TAG;
Sasha Levitskiy46781fd2014-04-07 14:54:12 -070063 dev->common.version = HARDWARE_MODULE_API_VERSION(1, 0);
Sasha Levitskiya747c062014-03-24 16:14:42 -070064 dev->common.module = (struct hw_module_t*) module;
65 dev->common.close = fingerprint_close;
66
67 dev->enroll = fingerprint_enroll;
68 dev->remove = fingerprint_remove;
Sasha Levitskiy73082842014-04-18 11:14:11 -070069 dev->set_notify = set_notify_callback;
70 dev->notify = NULL;
Sasha Levitskiya747c062014-03-24 16:14:42 -070071
72 *device = (hw_device_t*) dev;
73 return 0;
74}
75
76static struct hw_module_methods_t fingerprint_module_methods = {
77 .open = fingerprint_open,
78};
79
80fingerprint_module_t HAL_MODULE_INFO_SYM = {
81 .common = {
82 .tag = HARDWARE_MODULE_TAG,
83 .module_api_version = FINGERPRINT_MODULE_API_VERSION_1_0,
84 .hal_api_version = HARDWARE_HAL_API_VERSION,
85 .id = FINGERPRINT_HARDWARE_MODULE_ID,
86 .name = "Demo Fingerprint HAL",
87 .author = "The Android Open Source Project",
88 .methods = &fingerprint_module_methods,
89 },
90};