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 <osal_mem.h>
21 #include "light_interface_impl.h"
22
23 #define HDF_LOG_TAG hdf_light_if_driver
24
25 using namespace OHOS::HDI::Light::V1_0;
26
27 struct HdfLightInterfaceHost {
28 struct IDeviceIoService ioservice;
29 LightInterfaceImpl *service;
30 };
31
LightInterfaceDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)32 static int32_t LightInterfaceDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
33 struct HdfSBuf *reply)
34 {
35 struct HdfLightInterfaceHost *hdfLightInterfaceHost = CONTAINER_OF(
36 client->device->service, struct HdfLightInterfaceHost, ioservice);
37
38 OHOS::MessageParcel *dataParcel = nullptr;
39 OHOS::MessageParcel *replyParcel = nullptr;
40 OHOS::MessageOption option;
41
42 (void)SbufToParcel(reply, &replyParcel);
43 if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
44 HDF_LOGE("%{public}s:invalid data sbuf object to dispatch", __func__);
45 return HDF_ERR_INVALID_PARAM;
46 }
47
48 return hdfLightInterfaceHost->service->OnRemoteRequest(cmdId, *dataParcel, *replyParcel, option);
49 }
50
HdfLightInterfaceDriverInit(struct HdfDeviceObject * deviceObject)51 static int HdfLightInterfaceDriverInit(struct HdfDeviceObject *deviceObject)
52 {
53 HDF_LOGI("HdfLightInterfaceDriverInit enter");
54 return HDF_SUCCESS;
55 }
56
HdfLightInterfaceDriverBind(struct HdfDeviceObject * deviceObject)57 static int HdfLightInterfaceDriverBind(struct HdfDeviceObject *deviceObject)
58 {
59 struct HdfLightInterfaceHost *hdfLightInterfaceHost = (struct HdfLightInterfaceHost *)OsalMemAlloc(
60 sizeof(struct HdfLightInterfaceHost));
61 if (hdfLightInterfaceHost == nullptr) {
62 HDF_LOGE("HdfLightInterfaceDriverBind OsalMemAlloc HdfLightInterfaceHost failed!");
63 return HDF_FAILURE;
64 }
65
66 hdfLightInterfaceHost->ioservice.Dispatch = LightInterfaceDriverDispatch;
67 hdfLightInterfaceHost->ioservice.Open = nullptr;
68 hdfLightInterfaceHost->ioservice.Release = nullptr;
69 hdfLightInterfaceHost->service = new LightInterfaceImpl();
70
71 deviceObject->service = &hdfLightInterfaceHost->ioservice;
72 HDF_LOGI("HdfLightInterfaceDriverBind success");
73 return HDF_SUCCESS;
74 }
75
HdfLightInterfaceDriverRelease(struct HdfDeviceObject * deviceObject)76 static void HdfLightInterfaceDriverRelease(struct HdfDeviceObject *deviceObject)
77 {
78 HDF_LOGI("HdfLightInterfaceDriverRelease enter");
79
80 struct HdfLightInterfaceHost *hdfLightInterfaceHost = CONTAINER_OF(
81 deviceObject->service, struct HdfLightInterfaceHost, ioservice);
82 delete hdfLightInterfaceHost->service;
83 OsalMemFree(hdfLightInterfaceHost);
84 }
85
86 struct HdfDriverEntry g_lightinterfaceDriverEntry = {
87 .moduleVersion = 1,
88 .moduleName = "light_service",
89 .Bind = HdfLightInterfaceDriverBind,
90 .Init = HdfLightInterfaceDriverInit,
91 .Release = HdfLightInterfaceDriverRelease,
92 };
93
94 #ifndef __cplusplus
95 extern "C" {
96 #endif
97 HDF_INIT(g_lightinterfaceDriverEntry);
98 #ifndef __cplusplus
99 }
100 #endif
101