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 "power_interface_impl.h"
22
23 #define HDF_LOG_TAG PowerInterfaceDriver
24
25 using namespace OHOS::HDI::Power::V1_0;
26
27 struct HdfPowerInterfaceHost {
28 struct IDeviceIoService ioservice;
29 PowerInterfaceImpl *service;
30 };
31
PowerInterfaceDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)32 static int32_t PowerInterfaceDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
33 struct HdfSBuf *reply)
34 {
35 struct HdfPowerInterfaceHost *hdfPowerInterfaceHost =
36 CONTAINER_OF(client->device->service, struct HdfPowerInterfaceHost, 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 hdfPowerInterfaceHost->service->OnRemoteRequest(cmdId, *dataParcel, *replyParcel, option);
49 }
50
HdfPowerInterfaceDriverInit(struct HdfDeviceObject * deviceObject)51 static int HdfPowerInterfaceDriverInit(struct HdfDeviceObject *deviceObject)
52 {
53 HDF_LOGI("HdfPowerInterfaceDriverInit enter");
54 return HDF_SUCCESS;
55 }
56
HdfPowerInterfaceDriverBind(struct HdfDeviceObject * deviceObject)57 static int HdfPowerInterfaceDriverBind(struct HdfDeviceObject *deviceObject)
58 {
59 HDF_LOGI("HdfPowerInterfaceDriverBind enter");
60
61 struct HdfPowerInterfaceHost *hdfPowerInterfaceHost = (struct HdfPowerInterfaceHost *)OsalMemAlloc(
62 sizeof(struct HdfPowerInterfaceHost));
63 if (hdfPowerInterfaceHost == nullptr) {
64 HDF_LOGE("HdfPowerInterfaceDriverBind OsalMemAlloc HdfPowerInterfaceHost failed!");
65 return HDF_FAILURE;
66 }
67
68 hdfPowerInterfaceHost->ioservice.Dispatch = PowerInterfaceDriverDispatch;
69 hdfPowerInterfaceHost->ioservice.Open = NULL;
70 hdfPowerInterfaceHost->ioservice.Release = NULL;
71 hdfPowerInterfaceHost->service = new PowerInterfaceImpl();
72
73 deviceObject->service = &hdfPowerInterfaceHost->ioservice;
74 return HDF_SUCCESS;
75 }
76
HdfPowerInterfaceDriverRelease(struct HdfDeviceObject * deviceObject)77 static void HdfPowerInterfaceDriverRelease(struct HdfDeviceObject *deviceObject)
78 {
79 HDF_LOGI("HdfPowerInterfaceDriverRelease enter");
80
81 struct HdfPowerInterfaceHost *hdfPowerInterfaceHost =
82 CONTAINER_OF(deviceObject->service, struct HdfPowerInterfaceHost, ioservice);
83 delete hdfPowerInterfaceHost->service;
84 OsalMemFree(hdfPowerInterfaceHost);
85 }
86
87 struct HdfDriverEntry g_powerinterfaceDriverEntry = {
88 .moduleVersion = 1,
89 .moduleName = "power_interface_service",
90 .Bind = HdfPowerInterfaceDriverBind,
91 .Init = HdfPowerInterfaceDriverInit,
92 .Release = HdfPowerInterfaceDriverRelease,
93 };
94
95 #ifndef __cplusplus
96 extern "C" {
97 #endif
98 HDF_INIT(g_powerinterfaceDriverEntry);
99 #ifndef __cplusplus
100 }
101 #endif
102