1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <hdf_base.h>
17 #include <hdf_device_desc.h>
18 #include <hdf_log.h>
19 #include <hdf_sbuf_ipc.h>
20 #include "v1_0/hci_interface_stub.h"
21
22 using namespace OHOS::HDI::Bluetooth::Hci::V1_0;
23
24 #ifdef LOG_DOMAIN
25 #undef LOG_DOMAIN
26 #endif
27 #define LOG_DOMAIN 0xD000105
28
29 struct HdfHciInterfaceHost {
30 struct IDeviceIoService ioService;
31 OHOS::sptr<OHOS::IRemoteObject> stub;
HdfHciInterfaceHostHdfHciInterfaceHost32 HdfHciInterfaceHost()
33 {
34 ioService.object.objectId = 0;
35 ioService.Open = nullptr;
36 ioService.Release = nullptr;
37 ioService.Dispatch = nullptr;
38 }
39 };
40
HciInterfaceDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)41 static int32_t HciInterfaceDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
42 struct HdfSBuf *reply)
43 {
44 auto *hdfHciInterfaceHost = CONTAINER_OF(client->device->service, struct HdfHciInterfaceHost, ioService);
45
46 OHOS::MessageParcel *dataParcel = nullptr;
47 OHOS::MessageParcel *replyParcel = nullptr;
48 OHOS::MessageOption option;
49
50 if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
51 HDF_LOGE("%{public}s:invalid data sbuf object to dispatch", __func__);
52 return HDF_ERR_INVALID_PARAM;
53 }
54 if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
55 HDF_LOGE("%{public}s:invalid reply sbuf object to dispatch", __func__);
56 return HDF_ERR_INVALID_PARAM;
57 }
58
59 return hdfHciInterfaceHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
60 }
61
HdfHciInterfaceDriverInit(struct HdfDeviceObject * deviceObject)62 static int HdfHciInterfaceDriverInit(struct HdfDeviceObject *deviceObject)
63 {
64 (void)deviceObject;
65 HDF_LOGI("HdfHciInterfaceDriverInit enter");
66 return HDF_SUCCESS;
67 }
68
HdfHciInterfaceDriverBind(struct HdfDeviceObject * deviceObject)69 static int HdfHciInterfaceDriverBind(struct HdfDeviceObject *deviceObject)
70 {
71 HDF_LOGI("HdfHciInterfaceDriverBind enter");
72
73 auto *hdfHciInterfaceHost = new (std::nothrow) HdfHciInterfaceHost;
74 if (hdfHciInterfaceHost == nullptr) {
75 HDF_LOGE("%{public}s: failed to create create HdfHciInterfaceHost object", __func__);
76 return HDF_FAILURE;
77 }
78
79 hdfHciInterfaceHost->ioService.Dispatch = HciInterfaceDriverDispatch;
80 hdfHciInterfaceHost->ioService.Open = NULL;
81 hdfHciInterfaceHost->ioService.Release = NULL;
82
83 auto serviceImpl = IHciInterface::Get(true);
84 if (serviceImpl == nullptr) {
85 HDF_LOGE("%{public}s: failed to get of implement service", __func__);
86 delete hdfHciInterfaceHost;
87 return HDF_FAILURE;
88 }
89
90 hdfHciInterfaceHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
91 IHciInterface::GetDescriptor());
92 if (hdfHciInterfaceHost->stub == nullptr) {
93 HDF_LOGE("%{public}s: failed to get stub object", __func__);
94 delete hdfHciInterfaceHost;
95 return HDF_FAILURE;
96 }
97
98 deviceObject->service = &hdfHciInterfaceHost->ioService;
99 return HDF_SUCCESS;
100 }
101
HdfHciInterfaceDriverRelease(struct HdfDeviceObject * deviceObject)102 static void HdfHciInterfaceDriverRelease(struct HdfDeviceObject *deviceObject)
103 {
104 HDF_LOGI("HdfHciInterfaceDriverRelease enter");
105 if (deviceObject->service == nullptr) {
106 HDF_LOGE("HdfHciInterfaceDriverRelease not initted");
107 return;
108 }
109
110 auto *hdfHciInterfaceHost = CONTAINER_OF(deviceObject->service, struct HdfHciInterfaceHost, ioService);
111 delete hdfHciInterfaceHost;
112 }
113
114 static struct HdfDriverEntry g_hciinterfaceDriverEntry = {
115 .moduleVersion = 1,
116 .moduleName = "bluetooth_hci",
117 .Bind = HdfHciInterfaceDriverBind,
118 .Init = HdfHciInterfaceDriverInit,
119 .Release = HdfHciInterfaceDriverRelease,
120 };
121
122 #ifndef __cplusplus
123 extern "C" {
124 #endif
125 HDF_INIT(g_hciinterfaceDriverEntry);
126 #ifndef __cplusplus
127 }
128 #endif
129