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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "FingerprintHal"
#include <errno.h>
#include <malloc.h>
#include <string.h>
#include <cutils/log.h>
#include <hardware/hardware.h>
#include <hardware/fingerprint.h>
static int fingerprint_close(hw_device_t *dev)
{
if (dev) {
free(dev);
return 0;
} else {
return -1;
}
}
static int fingerprint_enroll(struct fingerprint_device __unused *dev,
const hw_auth_token_t __unused *hat,
uint32_t __unused gid,
uint32_t __unused timeout_sec) {
return FINGERPRINT_ERROR;
}
static int fingerprint_cancel(struct fingerprint_device __unused *dev) {
return FINGERPRINT_ERROR;
}
static int fingerprint_remove(struct fingerprint_device __unused *dev,
fingerprint_finger_id_t __unused fingerprint_id) {
return FINGERPRINT_ERROR;
}
static int fingerprint_set_active_group(struct fingerprint_device __unused *dev,
uint32_t __unused gid) {
return FINGERPRINT_ERROR;
}
static int fingerprint_authenticate(struct fingerprint_device __unused *dev,
uint64_t __unused operation_id, __unused uint32_t gid) {
return FINGERPRINT_ERROR;
}
static int set_notify_callback(struct fingerprint_device *dev,
fingerprint_notify_t notify) {
/* Decorate with locks */
dev->notify = notify;
return FINGERPRINT_ERROR;
}
static int fingerprint_open(const hw_module_t* module, const char __unused *id,
hw_device_t** device)
{
if (device == NULL) {
ALOGE("NULL device on open");
return -EINVAL;
}
fingerprint_device_t *dev = malloc(sizeof(fingerprint_device_t));
memset(dev, 0, sizeof(fingerprint_device_t));
dev->common.tag = HARDWARE_DEVICE_TAG;
dev->common.version = FINGERPRINT_MODULE_API_VERSION_2_0;
dev->common.module = (struct hw_module_t*) module;
dev->common.close = fingerprint_close;
dev->enroll = fingerprint_enroll;
dev->cancel = fingerprint_cancel;
dev->remove = fingerprint_remove;
dev->set_active_group = fingerprint_set_active_group;
dev->authenticate = fingerprint_authenticate;
dev->set_notify = set_notify_callback;
dev->notify = NULL;
*device = (hw_device_t*) dev;
return 0;
}
static struct hw_module_methods_t fingerprint_module_methods = {
.open = fingerprint_open,
};
fingerprint_module_t HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = FINGERPRINT_MODULE_API_VERSION_2_0,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = FINGERPRINT_HARDWARE_MODULE_ID,
.name = "Demo Fingerprint HAL",
.author = "The Android Open Source Project",
.methods = &fingerprint_module_methods,
},
};
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