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
21 #include "dcamera_host.h"
22 #include "v1_0/camera_host_stub.h"
23
24 using namespace OHOS::HDI::Camera::V1_0;
25
26 struct HdfCameraHostHost {
27 struct IDeviceIoService ioService;
28 OHOS::sptr<OHOS::IRemoteObject> stub;
29 };
30
CameraHostDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)31 static int32_t CameraHostDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
32 struct HdfSBuf *reply)
33 {
34 auto *hdfCameraHostHost = CONTAINER_OF(client->device->service, struct HdfCameraHostHost, ioService);
35
36 OHOS::MessageParcel *dataParcel = nullptr;
37 OHOS::MessageParcel *replyParcel = nullptr;
38 OHOS::MessageOption option;
39
40 if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
41 HDF_LOGE("%{public}s:invalid data sbuf object to dispatch", __func__);
42 return HDF_ERR_INVALID_PARAM;
43 }
44 if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
45 HDF_LOGE("%{public}s:invalid reply sbuf object to dispatch", __func__);
46 return HDF_ERR_INVALID_PARAM;
47 }
48
49 return hdfCameraHostHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
50 }
51
HdfCameraHostDriverInit(struct HdfDeviceObject * deviceObject)52 static int HdfCameraHostDriverInit(struct HdfDeviceObject *deviceObject)
53 {
54 HDF_LOGI("HdfCameraHostDriverInit enter");
55 if (deviceObject == nullptr) {
56 HDF_LOGE("HdfCameraHostDriverInit:: HdfDeviceObject is NULL !");
57 return HDF_FAILURE;
58 }
59
60 if (!HdfDeviceSetClass(deviceObject, DEVICE_CLASS_CAMERA)) {
61 HDF_LOGE("HdfCameraHostDriverInit set camera class failed");
62 return HDF_FAILURE;
63 }
64 return HDF_SUCCESS;
65 }
66
HdfCameraHostDriverBind(struct HdfDeviceObject * deviceObject)67 static int HdfCameraHostDriverBind(struct HdfDeviceObject *deviceObject)
68 {
69 HDF_LOGI("HdfCameraHostDriverBind enter");
70
71 auto *hdfCameraHostHost = new (std::nothrow) HdfCameraHostHost;
72 if (hdfCameraHostHost == nullptr) {
73 HDF_LOGE("%{public}s: failed to create create HdfCameraHostHost object", __func__);
74 return HDF_FAILURE;
75 }
76
77 hdfCameraHostHost->ioService.Dispatch = CameraHostDriverDispatch;
78 hdfCameraHostHost->ioService.Open = NULL;
79 hdfCameraHostHost->ioService.Release = NULL;
80
81 auto serviceImpl = OHOS::DistributedHardware::DCameraHost::GetInstance();
82 if (serviceImpl == nullptr) {
83 HDF_LOGE("%{public}s: failed to get of implement service", __func__);
84 delete hdfCameraHostHost;
85 return HDF_FAILURE;
86 }
87
88 hdfCameraHostHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
89 ICameraHost::GetDescriptor());
90 if (hdfCameraHostHost->stub == nullptr) {
91 HDF_LOGE("%{public}s: failed to get stub object", __func__);
92 delete hdfCameraHostHost;
93 return HDF_FAILURE;
94 }
95
96 deviceObject->service = &hdfCameraHostHost->ioService;
97 return HDF_SUCCESS;
98 }
99
HdfCameraHostDriverRelease(struct HdfDeviceObject * deviceObject)100 static void HdfCameraHostDriverRelease(struct HdfDeviceObject *deviceObject)
101 {
102 HDF_LOGI("HdfCameraHostDriverRelease enter");
103 if (deviceObject == nullptr || deviceObject->service == nullptr) {
104 HDF_LOGE("HdfCameraHostDriverRelease not initted");
105 return;
106 }
107 auto *hdfCameraHostHost = CONTAINER_OF(deviceObject->service, struct HdfCameraHostHost, ioService);
108 delete hdfCameraHostHost;
109 }
110
111 static struct HdfDriverEntry g_camerahostDriverEntry = {
112 .moduleVersion = 1,
113 .moduleName = "distributed_camera_service",
114 .Bind = HdfCameraHostDriverBind,
115 .Init = HdfCameraHostDriverInit,
116 .Release = HdfCameraHostDriverRelease,
117 };
118
119 #ifdef __cplusplus
120 extern "C" {
121 #endif /* __cplusplus */
122
123 HDF_INIT(g_camerahostDriverEntry);
124
125 #ifdef __cplusplus
126 }
127 #endif /* __cplusplus */
128