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/*
* Copyright (C) 2011 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.
*/
#include <errno.h>
#include <malloc.h>
#include <string.h>
#include <hardware/hardware.h>
#include <hardware/nfc.h>
/* Close an opened pn544 device instance */
static int pn544_close(hw_device_t *dev) {
free(dev);
return 0;
}
/*
* Generic device handling
*/
static int nfc_open(const hw_module_t* module, const char* name,
hw_device_t** device) {
if (strcmp(name, NFC_PN544_CONTROLLER) == 0) {
nfc_pn544_device_t *dev = calloc(1, sizeof(nfc_pn544_device_t));
dev->common.tag = HARDWARE_DEVICE_TAG;
dev->common.version = 0;
dev->common.module = (struct hw_module_t*) module;
dev->common.close = pn544_close;
/* Example settings */
dev->num_eeprom_settings = 0;
dev->eeprom_settings = NULL;
dev->linktype = PN544_LINK_TYPE_INVALID;
dev->device_node = NULL;
dev->enable_i2c_workaround = 0;
dev->i2c_device_address = 0;
*device = (hw_device_t*) dev;
return 0;
} else {
return -EINVAL;
}
}
static struct hw_module_methods_t nfc_module_methods = {
.open = nfc_open,
};
struct nfc_module_t HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.version_major = 1,
.version_minor = 0,
.id = NFC_HARDWARE_MODULE_ID,
.name = "Default NFC HW HAL",
.author = "The Android Open Source Project",
.methods = &nfc_module_methods,
},
};
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