| /* |
| * 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> |
| |
| |
| /* |
| * We want to silence the "unused argument" that gcc and clang give. |
| * Other compilers generating this warning will need to provide their |
| * custom attribute to silence this. |
| */ |
| #if defined(__GNUC__) || defined(__clang__) |
| #define UNUSED_ARGUMENT __attribute((unused)) |
| #else |
| #define UNUSED_ARGUMENT |
| #endif |
| |
| /* |
| * NCI HAL method implementations. These must be overriden |
| */ |
| static int hal_open(const struct nfc_nci_device *dev UNUSED_ARGUMENT, |
| nfc_stack_callback_t *p_cback UNUSED_ARGUMENT, |
| nfc_stack_data_callback_t *p_data_cback UNUSED_ARGUMENT) { |
| ALOGE("NFC-NCI HAL: %s", __FUNCTION__); |
| return 0; |
| } |
| |
| static int hal_write(const struct nfc_nci_device *dev UNUSED_ARGUMENT, |
| uint16_t data_len UNUSED_ARGUMENT, |
| const uint8_t *p_data UNUSED_ARGUMENT) { |
| ALOGE("NFC-NCI HAL: %s", __FUNCTION__); |
| return 0; |
| } |
| |
| static int hal_core_initialized( |
| const struct nfc_nci_device *dev UNUSED_ARGUMENT, |
| uint8_t* p_core_init_rsp_params UNUSED_ARGUMENT) { |
| ALOGE("NFC-NCI HAL: %s", __FUNCTION__); |
| return 0; |
| } |
| |
| static int hal_pre_discover( |
| const struct nfc_nci_device *dev UNUSED_ARGUMENT) { |
| ALOGE("NFC-NCI HAL: %s", __FUNCTION__); |
| return 0; |
| } |
| |
| static int hal_close(const struct nfc_nci_device *dev UNUSED_ARGUMENT) { |
| ALOGE("NFC-NCI HAL: %s", __FUNCTION__); |
| return 0; |
| } |
| |
| static int hal_control_granted ( |
| const struct nfc_nci_device *p_dev UNUSED_ARGUMENT) |
| { |
| ALOGE("NFC-NCI HAL: %s", __FUNCTION__); |
| return 0; |
| } |
| |
| |
| static int hal_power_cycle ( |
| const struct nfc_nci_device *p_dev UNUSED_ARGUMENT) |
| { |
| 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, |
| }, |
| }; |