1 /*
2 * Copyright (c) 2021 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/camera_host_stub.h"
21
22 using namespace OHOS::HDI::Camera::V1_0;
23
24 struct HdfCameraHostHost {
25 struct IDeviceIoService ioService;
26 OHOS::sptr<OHOS::IRemoteObject> stub;
27 };
28
CameraHostDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)29 static int32_t CameraHostDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
30 struct HdfSBuf *reply)
31 {
32 auto *hdfCameraHostHost = CONTAINER_OF(client->device->service, struct HdfCameraHostHost, ioService);
33
34 OHOS::MessageParcel *dataParcel = nullptr;
35 OHOS::MessageParcel *replyParcel = nullptr;
36 OHOS::MessageOption option;
37
38 if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
39 HDF_LOGE("%{public}s:invalid data sbuf object to dispatch", __func__);
40 return HDF_ERR_INVALID_PARAM;
41 }
42 if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
43 HDF_LOGE("%{public}s:invalid reply sbuf object to dispatch", __func__);
44 return HDF_ERR_INVALID_PARAM;
45 }
46
47 return hdfCameraHostHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
48 }
49
HdfCameraHostDriverInit(struct HdfDeviceObject * deviceObject)50 static int HdfCameraHostDriverInit(struct HdfDeviceObject *deviceObject)
51 {
52 HDF_LOGI("HdfCameraHostDriverInit enter");
53 (void)deviceObject;
54 return HDF_SUCCESS;
55 }
56
57 extern "C" ICameraHost *CameraHostImplGetInstance(void);
58
HdfCameraHostDriverBind(struct HdfDeviceObject * deviceObject)59 static int HdfCameraHostDriverBind(struct HdfDeviceObject *deviceObject)
60 {
61 HDF_LOGI("HdfCameraHostDriverBind enter");
62
63 auto *hdfCameraHostHost = new (std::nothrow) HdfCameraHostHost;
64 if (hdfCameraHostHost == nullptr) {
65 HDF_LOGE("%{public}s: failed to create create HdfCameraHostHost object", __func__);
66 return HDF_FAILURE;
67 }
68
69 hdfCameraHostHost->ioService.Dispatch = CameraHostDriverDispatch;
70 hdfCameraHostHost->ioService.Open = NULL;
71 hdfCameraHostHost->ioService.Release = NULL;
72
73 OHOS::sptr<ICameraHost> serviceImpl {CameraHostImplGetInstance()};
74 if (serviceImpl == nullptr) {
75 HDF_LOGE("%{public}s: failed to get of implement service", __func__);
76 delete hdfCameraHostHost;
77 return HDF_FAILURE;
78 }
79
80 hdfCameraHostHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
81 ICameraHost::GetDescriptor());
82 if (hdfCameraHostHost->stub == nullptr) {
83 HDF_LOGE("%{public}s: failed to get stub object", __func__);
84 delete hdfCameraHostHost;
85 return HDF_FAILURE;
86 }
87
88 deviceObject->service = &hdfCameraHostHost->ioService;
89 return HDF_SUCCESS;
90 }
91
HdfCameraHostDriverRelease(struct HdfDeviceObject * deviceObject)92 static void HdfCameraHostDriverRelease(struct HdfDeviceObject *deviceObject)
93 {
94 HDF_LOGI("HdfCameraHostDriverRelease enter");
95 if (deviceObject->service == nullptr) {
96 HDF_LOGE("HdfCameraHostDriverRelease not initted");
97 return;
98 }
99
100 auto *hdfCameraHostHost = CONTAINER_OF(deviceObject->service, struct HdfCameraHostHost, ioService);
101 delete hdfCameraHostHost;
102 }
103
104 static struct HdfDriverEntry g_camerahostDriverEntry = {
105 .moduleVersion = 1,
106 .moduleName = "camera_service",
107 .Bind = HdfCameraHostDriverBind,
108 .Init = HdfCameraHostDriverInit,
109 .Release = HdfCameraHostDriverRelease,
110 };
111
112 #ifndef __cplusplus
113 extern "C" {
114 #endif
115 HDF_INIT(g_camerahostDriverEntry);
116 #ifndef __cplusplus
117 }
118 #endif
119