1/****************************************************************************** 2 * 3 * Copyright (C) 1999-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19#define LOG_TAG "NfcNciHal" 20#include <errno.h> 21#include <hardware/hardware.h> 22#include <hardware/nfc.h> 23#include <malloc.h> 24#include <string.h> 25#include "HalAdaptation.h" 26#include "_OverrideLog.h" 27 28/********************************* 29 * NCI HAL method implementations. 30 *********************************/ 31 32static int hal_open(const struct nfc_nci_device* p_dev, 33 nfc_stack_callback_t* p_hal_cback, 34 nfc_stack_data_callback_t* p_hal_data_callback) { 35 int retval = 0; 36 bcm2079x_dev_t* dev = (bcm2079x_dev_t*)p_dev; 37 38 retval = HaiOpen(dev, p_hal_cback, p_hal_data_callback); 39 return retval; 40} 41 42static int hal_write(const struct nfc_nci_device* p_dev, uint16_t data_len, 43 const uint8_t* p_data) { 44 int retval = 0; 45 bcm2079x_dev_t* dev = (bcm2079x_dev_t*)p_dev; 46 47 retval = HaiWrite(dev, data_len, p_data); 48 return retval; 49} 50 51static int hal_core_initialized(const struct nfc_nci_device* p_dev, 52 uint8_t* p_core_init_rsp_params) { 53 int retval = 0; 54 bcm2079x_dev_t* dev = (bcm2079x_dev_t*)p_dev; 55 56 retval = HaiCoreInitialized(dev, p_core_init_rsp_params); 57 return retval; 58} 59 60static int hal_pre_discover(const struct nfc_nci_device* p_dev) { 61 int retval = 0; 62 bcm2079x_dev_t* dev = (bcm2079x_dev_t*)p_dev; 63 64 retval = HaiPreDiscover(dev); 65 return retval; 66} 67 68static int hal_close(const struct nfc_nci_device* p_dev) { 69 int retval = 0; 70 bcm2079x_dev_t* dev = (bcm2079x_dev_t*)p_dev; 71 72 retval = HaiClose(dev); 73 return retval; 74} 75 76static int hal_control_granted(const struct nfc_nci_device* p_dev) { 77 int retval = 0; 78 bcm2079x_dev_t* dev = (bcm2079x_dev_t*)p_dev; 79 80 retval = HaiControlGranted(dev); 81 return retval; 82} 83 84static int hal_power_cycle(const struct nfc_nci_device* p_dev) { 85 int retval = 0; 86 bcm2079x_dev_t* dev = (bcm2079x_dev_t*)p_dev; 87 88 retval = HaiPowerCycle(dev); 89 return retval; 90} 91 92static int hal_get_max_nfcee(const struct nfc_nci_device* p_dev, 93 uint8_t* maxNfcee) { 94 int retval = 0; 95 bcm2079x_dev_t* dev = (bcm2079x_dev_t*)p_dev; 96 97 retval = HaiGetMaxNfcee(dev, maxNfcee); 98 return retval; 99} 100 101/************************************* 102 * Generic device handling. 103 *************************************/ 104 105/* Close an opened nfc device instance */ 106static int nfc_close(hw_device_t* dev) { 107 int retval = 0; 108 free(dev); 109 retval = HaiTerminateLibrary(); 110 return retval; 111} 112 113static int nfc_open(const hw_module_t* module, const char* name, 114 hw_device_t** device) { 115 ALOGD("%s: enter; name=%s", __func__, name); 116 int retval = 0; // 0 is ok; -1 is error 117 118 if (strcmp(name, NFC_NCI_CONTROLLER) == 0) { 119 bcm2079x_dev_t* dev = calloc(1, sizeof(bcm2079x_dev_t)); 120 121 // Common hw_device_t fields 122 dev->nci_device.common.tag = HARDWARE_DEVICE_TAG; 123 dev->nci_device.common.version = 0x00010000; // [31:16] major, [15:0] minor 124 dev->nci_device.common.module = (struct hw_module_t*)module; 125 dev->nci_device.common.close = nfc_close; 126 127 // NCI HAL method pointers 128 dev->nci_device.open = hal_open; 129 dev->nci_device.write = hal_write; 130 dev->nci_device.core_initialized = hal_core_initialized; 131 dev->nci_device.pre_discover = hal_pre_discover; 132 dev->nci_device.close = hal_close; 133 dev->nci_device.control_granted = hal_control_granted; 134 dev->nci_device.power_cycle = hal_power_cycle; 135 // dev->nci_device.get_max_ee = hal_get_max_nfcee; 136 137 // Copy in 138 *device = (hw_device_t*)dev; 139 140 retval = HaiInitializeLibrary(dev); 141 } else { 142 retval = -EINVAL; 143 } 144 ALOGD("%s: exit %d", __func__, retval); 145 return retval; 146} 147 148static struct hw_module_methods_t nfc_module_methods = { 149 .open = nfc_open, 150}; 151 152struct nfc_nci_module_t HAL_MODULE_INFO_SYM = { 153 .common = 154 { 155 .tag = HARDWARE_MODULE_TAG, 156 .module_api_version = 0x0100, // [15:8] major, [7:0] minor (1.0) 157 .hal_api_version = 0x00, // 0 is only valid value 158 .id = NFC_NCI_BCM2079X_HARDWARE_MODULE_ID, 159 .name = "BCM2079x NFC NCI HW HAL", 160 .author = "Broadcom Corporation", 161 .methods = &nfc_module_methods, 162 }, 163}; 164