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 if (deviceObject == nullptr) {
54 HDF_LOGE("HdfCameraHostDriverInit:: HdfDeviceObject is NULL !");
55 return HDF_FAILURE;
56 }
57
58 if (!HdfDeviceSetClass(deviceObject, DEVICE_CLASS_CAMERA)) {
59 HDF_LOGE("HdfCameraHostDriverInit set camera class failed");
60 return HDF_FAILURE;
61 }
62 return HDF_SUCCESS;
63 }
64
65 extern "C" ICameraHost *CameraHostServiceGetInstance(void);
66
HdfCameraHostDriverBind(struct HdfDeviceObject * deviceObject)67 static int HdfCameraHostDriverBind(struct HdfDeviceObject *deviceObject)
68 {
69 HDF_LOGI("HdfCameraHostDriverBind enter");
70 if (deviceObject == nullptr) {
71 HDF_LOGE("%{public}s: device object is NULL!", __func__);
72 return HDF_FAILURE;
73 }
74
75 auto *hdfCameraHostHost = new (std::nothrow) HdfCameraHostHost;
76 if (hdfCameraHostHost == nullptr) {
77 HDF_LOGE("%{public}s: failed to create create HdfCameraHostHost object", __func__);
78 return HDF_FAILURE;
79 }
80
81 hdfCameraHostHost->ioService.Dispatch = CameraHostDriverDispatch;
82 hdfCameraHostHost->ioService.Open = NULL;
83 hdfCameraHostHost->ioService.Release = NULL;
84
85 OHOS::sptr<ICameraHost> serviceImpl {CameraHostServiceGetInstance()};
86 if (serviceImpl == nullptr) {
87 HDF_LOGE("%{public}s: failed to get of implement service", __func__);
88 delete hdfCameraHostHost;
89 return HDF_FAILURE;
90 }
91
92 hdfCameraHostHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
93 ICameraHost::GetDescriptor());
94 if (hdfCameraHostHost->stub == nullptr) {
95 HDF_LOGE("%{public}s: failed to get stub object", __func__);
96 delete hdfCameraHostHost;
97 return HDF_FAILURE;
98 }
99
100 deviceObject->service = &hdfCameraHostHost->ioService;
101 return HDF_SUCCESS;
102 }
103
HdfCameraHostDriverRelease(struct HdfDeviceObject * deviceObject)104 static void HdfCameraHostDriverRelease(struct HdfDeviceObject *deviceObject)
105 {
106 HDF_LOGI("HdfCameraHostDriverRelease enter");
107 if (deviceObject == nullptr) {
108 HDF_LOGE("%{public}s: device object is NULL!", __func__);
109 return;
110 }
111
112 if (deviceObject->service == nullptr) {
113 HDF_LOGE("HdfCameraHostDriverRelease not initted");
114 return;
115 }
116
117 auto *hdfCameraHostHost = CONTAINER_OF(deviceObject->service, struct HdfCameraHostHost, ioService);
118 delete hdfCameraHostHost;
119 }
120
121 static struct HdfDriverEntry g_camerahostDriverEntry = {
122 .moduleVersion = 1,
123 .moduleName = "camera_service",
124 .Bind = HdfCameraHostDriverBind,
125 .Init = HdfCameraHostDriverInit,
126 .Release = HdfCameraHostDriverRelease,
127 };
128
129 #ifndef __cplusplus
130 extern "C" {
131 #endif
132 HDF_INIT(g_camerahostDriverEntry);
133 #ifndef __cplusplus
134 }
135 #endif
136