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_device_desc.h"
17 #include "hdf_device_object.h"
18 #include "audio_adapter_info_common.h"
19 #include "audio_uhdf_log.h"
20 #include "hdf_audio_server_common.h"
21
22 #define HDF_LOG_TAG HDF_AUDIO_HAL_HOST
23
AudioHdiUsbServerRelease(struct HdfDeviceObject * deviceObject)24 static void AudioHdiUsbServerRelease(struct HdfDeviceObject *deviceObject)
25 {
26 AUDIO_FUNC_LOGI("enter!");
27 /* g_renderAndCaptureManage release */
28 AdaptersServerManageInfomationRecycle();
29 ReleaseAudioManagerObjectComm(GetAudioManagerFuncs());
30
31 if (deviceObject == NULL) {
32 AUDIO_FUNC_LOGE("deviceObject is null!");
33 return;
34 }
35 deviceObject->service = NULL;
36 AUDIO_FUNC_LOGD("end!");
37 return;
38 }
39
AudioHdiUsbServerBind(struct HdfDeviceObject * deviceObject)40 static int AudioHdiUsbServerBind(struct HdfDeviceObject *deviceObject)
41 {
42 AUDIO_FUNC_LOGI("enter!");
43 if (deviceObject == NULL) {
44 AUDIO_FUNC_LOGE("deviceObject is null!");
45 return AUDIO_HAL_ERR_INVALID_PARAM;
46 }
47 static struct IDeviceIoService hdiUsbService = {
48 .Dispatch = HdiServiceDispatch,
49 .Open = NULL,
50 .Release = NULL,
51 };
52 AudioHdiSetLoadServerFlag(AUDIO_SERVER_USB);
53 if (HdiServiceGetFuncs() < 0) {
54 return AUDIO_HAL_ERR_INTERNAL;
55 }
56 int ret = HdfDeviceObjectSetInterfaceDesc(deviceObject, "ohos.hdi.audio_service");
57 if (ret != HDF_SUCCESS) {
58 AUDIO_FUNC_LOGE("failed to set interface desc");
59 return ret;
60 }
61 deviceObject->service = &hdiUsbService;
62 AUDIO_FUNC_LOGD("end!");
63 return AUDIO_HAL_SUCCESS;
64 }
65
AudioHdiUsbServerInit(struct HdfDeviceObject * deviceObject)66 static int AudioHdiUsbServerInit(struct HdfDeviceObject *deviceObject)
67 {
68 AUDIO_FUNC_LOGI("enter!");
69 if (deviceObject == NULL) {
70 AUDIO_FUNC_LOGE("deviceObject is null!");
71 return AUDIO_HAL_ERR_INVALID_PARAM;
72 }
73
74 if (!HdfDeviceSetClass(deviceObject, DEVICE_CLASS_AUDIO)) {
75 AUDIO_FUNC_LOGE("Set USB DEVICE_CLASS_AUDIO fail!");
76 }
77 struct AudioEvent audioSrvEvent = {
78 .eventType = HDF_AUDIO_SERVICE_INVALID,
79 .deviceType = HDF_AUDIO_USB_DEVICE,
80 };
81 AudioServiceStateChange(deviceObject, &audioSrvEvent);
82
83 AUDIO_FUNC_LOGD("end!");
84 return AUDIO_HAL_SUCCESS;
85 }
86
87 struct HdfDriverEntry g_hdiAudioUSBServerEntry = {
88 .moduleVersion = 1,
89 .moduleName = "hdi_audio_usb_server",
90 .Bind = AudioHdiUsbServerBind,
91 .Init = AudioHdiUsbServerInit,
92 .Release = AudioHdiUsbServerRelease,
93 };
94
95 HDF_INIT(g_hdiAudioUSBServerEntry);
96