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/*
* Copyright (C) 2012 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 <cutils/log.h>
#include <hardware/hardware.h>
#include <hardware/nfc.h>
/*
* NCI HAL method implementations. These must be overriden
*/
static int hal_open(const struct nfc_nci_device *dev,
nfc_stack_callback_t *p_cback, nfc_stack_data_callback_t *p_data_cback) {
ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
return 0;
}
static int hal_write(const struct nfc_nci_device *dev,
uint16_t data_len, const uint8_t *p_data) {
ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
return 0;
}
static int hal_core_initialized(const struct nfc_nci_device *dev,
uint8_t* p_core_init_rsp_params) {
ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
return 0;
}
static int hal_pre_discover(const struct nfc_nci_device *dev) {
ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
return 0;
}
static int hal_close(const struct nfc_nci_device *dev) {
ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
return 0;
}
static int hal_control_granted (const struct nfc_nci_device *p_dev)
{
ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
return 0;
}
static int hal_power_cycle (const struct nfc_nci_device *p_dev)
{
ALOGE("NFC-NCI HAL: %s", __FUNCTION__);
return 0;
}
/*
* Generic device handling below - can generally be left unchanged.
*/
/* Close an opened nfc device instance */
static int nfc_close(hw_device_t *dev) {
free(dev);
return 0;
}
static int nfc_open(const hw_module_t* module, const char* name,
hw_device_t** device) {
if (strcmp(name, NFC_NCI_CONTROLLER) == 0) {
nfc_nci_device_t *dev = calloc(1, sizeof(nfc_nci_device_t));
dev->common.tag = HARDWARE_DEVICE_TAG;
dev->common.version = 0x00010000; // [31:16] major, [15:0] minor
dev->common.module = (struct hw_module_t*) module;
dev->common.close = nfc_close;
// NCI HAL method pointers
dev->open = hal_open;
dev->write = hal_write;
dev->core_initialized = hal_core_initialized;
dev->pre_discover = hal_pre_discover;
dev->close = hal_close;
dev->control_granted = hal_control_granted;
dev->power_cycle = hal_power_cycle;
*device = (hw_device_t*) dev;
return 0;
} else {
return -EINVAL;
}
}
static struct hw_module_methods_t nfc_module_methods = {
.open = nfc_open,
};
struct nfc_nci_module_t HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = 0x0100, // [15:8] major, [7:0] minor (1.0)
.hal_api_version = 0x00, // 0 is only valid value
.id = NFC_NCI_HARDWARE_MODULE_ID,
.name = "Default NFC NCI HW HAL",
.author = "The Android Open Source Project",
.methods = &nfc_module_methods,
},
};
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