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 "v1_0/power_interface_stub.h"
22
23 #define HDF_LOG_TAG PowerInterfaceDriver
24
25 using namespace OHOS::HDI::Power::V1_0;
26
27 namespace {
28 struct HdfPowerInterfaceHost {
29 struct IDeviceIoService ioService;
30 OHOS::sptr<OHOS::IRemoteObject> stub;
31 };
32 }
33
PowerInterfaceDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)34 static int32_t PowerInterfaceDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
35 struct HdfSBuf *reply)
36 {
37 auto *hdfPowerInterfaceHost = CONTAINER_OF(client->device->service, struct HdfPowerInterfaceHost, ioService);
38
39 OHOS::MessageParcel *dataParcel = nullptr;
40 OHOS::MessageParcel *replyParcel = nullptr;
41 OHOS::MessageOption option;
42
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 if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
48 HDF_LOGE("%{public}s:invalid reply sbuf object to dispatch", __func__);
49 return HDF_ERR_INVALID_PARAM;
50 }
51
52 return hdfPowerInterfaceHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
53 }
54
HdfPowerInterfaceDriverInit(struct HdfDeviceObject * deviceObject)55 static int HdfPowerInterfaceDriverInit([[maybe_unused]] struct HdfDeviceObject *deviceObject)
56 {
57 HDF_LOGI("HdfPowerInterfaceDriverInit enter");
58 return HDF_SUCCESS;
59 }
60
HdfPowerInterfaceDriverBind(struct HdfDeviceObject * deviceObject)61 static int HdfPowerInterfaceDriverBind(struct HdfDeviceObject *deviceObject)
62 {
63 HDF_LOGI("HdfPowerInterfaceDriverBind enter");
64
65 auto *hdfPowerInterfaceHost = new (std::nothrow) HdfPowerInterfaceHost;
66 if (hdfPowerInterfaceHost == nullptr) {
67 HDF_LOGE("%{public}s: failed to create HdfPowerInterfaceHost object", __func__);
68 return HDF_FAILURE;
69 }
70
71 hdfPowerInterfaceHost->ioService.Dispatch = PowerInterfaceDriverDispatch;
72 hdfPowerInterfaceHost->ioService.Open = NULL;
73 hdfPowerInterfaceHost->ioService.Release = NULL;
74
75 auto serviceImpl = IPowerInterface::Get(true);
76 if (serviceImpl == nullptr) {
77 HDF_LOGE("%{public}s: failed to get of implement service", __func__);
78 delete hdfPowerInterfaceHost;
79 return HDF_FAILURE;
80 }
81
82 hdfPowerInterfaceHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
83 IPowerInterface::GetDescriptor());
84 if (hdfPowerInterfaceHost->stub == nullptr) {
85 HDF_LOGE("%{public}s: failed to get stub object", __func__);
86 delete hdfPowerInterfaceHost;
87 return HDF_FAILURE;
88 }
89
90 deviceObject->service = &hdfPowerInterfaceHost->ioService;
91 return HDF_SUCCESS;
92 }
93
HdfPowerInterfaceDriverRelease(struct HdfDeviceObject * deviceObject)94 static void HdfPowerInterfaceDriverRelease(struct HdfDeviceObject *deviceObject)
95 {
96 HDF_LOGI("HdfPowerInterfaceDriverRelease enter");
97 if (deviceObject->service == nullptr) {
98 HDF_LOGE("HdfPowerInterfaceDriverRelease not initted");
99 return;
100 }
101
102 auto *hdfPowerInterfaceHost = CONTAINER_OF(deviceObject->service, struct HdfPowerInterfaceHost, ioService);
103 delete hdfPowerInterfaceHost;
104 }
105
106 static struct HdfDriverEntry g_powerinterfaceDriverEntry = {
107 .moduleVersion = 1,
108 .moduleName = "power_interface_service",
109 .Bind = HdfPowerInterfaceDriverBind,
110 .Init = HdfPowerInterfaceDriverInit,
111 .Release = HdfPowerInterfaceDriverRelease,
112 };
113
114 #ifdef __cplusplus
115 extern "C" {
116 #endif /* __cplusplus */
117 HDF_INIT(g_powerinterfaceDriverEntry);
118 #ifdef __cplusplus
119 }
120 #endif /* __cplusplus */
121