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 "v1_2/power_interface_stub.h"
21
22 #define HDF_LOG_TAG PowerInterfaceDriver
23
24 using namespace OHOS::HDI::Power::V1_2;
25
26 namespace {
27 struct HdfPowerInterfaceHost {
28 struct IDeviceIoService ioService;
29 OHOS::sptr<OHOS::IRemoteObject> stub;
30 };
31 }
32
PowerInterfaceDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)33 static int32_t PowerInterfaceDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
34 struct HdfSBuf *reply)
35 {
36 auto *hdfPowerInterfaceHost = 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 if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
43 HDF_LOGE("%{public}s:invalid data sbuf object to dispatch", __func__);
44 return HDF_ERR_INVALID_PARAM;
45 }
46 if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
47 HDF_LOGE("%{public}s:invalid reply sbuf object to dispatch", __func__);
48 return HDF_ERR_INVALID_PARAM;
49 }
50
51 return hdfPowerInterfaceHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
52 }
53
54 static int HdfPowerInterfaceDriverInit([[maybe_unused]] struct HdfDeviceObject *deviceObject)
55 {
56 HDF_LOGI("HdfPowerInterfaceDriverInit enter");
57 return HDF_SUCCESS;
58 }
59
HdfPowerInterfaceDriverBind(struct HdfDeviceObject * deviceObject)60 static int HdfPowerInterfaceDriverBind(struct HdfDeviceObject *deviceObject)
61 {
62 HDF_LOGI("HdfPowerInterfaceDriverBind enter");
63
64 auto *hdfPowerInterfaceHost = new (std::nothrow) HdfPowerInterfaceHost;
65 if (hdfPowerInterfaceHost == nullptr) {
66 HDF_LOGE("%{public}s: failed to create HdfPowerInterfaceHost object", __func__);
67 return HDF_FAILURE;
68 }
69
70 hdfPowerInterfaceHost->ioService.Dispatch = PowerInterfaceDriverDispatch;
71 hdfPowerInterfaceHost->ioService.Open = NULL;
72 hdfPowerInterfaceHost->ioService.Release = NULL;
73
74 auto serviceImpl = IPowerInterface::Get(true);
75 if (serviceImpl == nullptr) {
76 HDF_LOGE("%{public}s: failed to get of implement service", __func__);
77 delete hdfPowerInterfaceHost;
78 return HDF_FAILURE;
79 }
80
81 hdfPowerInterfaceHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
82 IPowerInterface::GetDescriptor());
83 if (hdfPowerInterfaceHost->stub == nullptr) {
84 HDF_LOGE("%{public}s: failed to get stub object", __func__);
85 delete hdfPowerInterfaceHost;
86 return HDF_FAILURE;
87 }
88
89 deviceObject->service = &hdfPowerInterfaceHost->ioService;
90 return HDF_SUCCESS;
91 }
92
HdfPowerInterfaceDriverRelease(struct HdfDeviceObject * deviceObject)93 static void HdfPowerInterfaceDriverRelease(struct HdfDeviceObject *deviceObject)
94 {
95 HDF_LOGI("HdfPowerInterfaceDriverRelease enter");
96 if (deviceObject->service == nullptr) {
97 HDF_LOGE("HdfPowerInterfaceDriverRelease not initted");
98 return;
99 }
100
101 auto *hdfPowerInterfaceHost = CONTAINER_OF(deviceObject->service, struct HdfPowerInterfaceHost, ioService);
102 delete hdfPowerInterfaceHost;
103 }
104
105 static struct HdfDriverEntry g_powerinterfaceDriverEntry = {
106 .moduleVersion = 1,
107 .moduleName = "power_interface_service",
108 .Bind = HdfPowerInterfaceDriverBind,
109 .Init = HdfPowerInterfaceDriverInit,
110 .Release = HdfPowerInterfaceDriverRelease,
111 };
112
113 #ifdef __cplusplus
114 extern "C" {
115 #endif /* __cplusplus */
116 HDF_INIT(g_powerinterfaceDriverEntry);
117 #ifdef __cplusplus
118 }
119 #endif /* __cplusplus */
120