1 /*
2 * Copyright (c) 2021 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 "drm_crtc.h"
17 #include "display_common.h"
18 #include "drm_device.h"
19
20 namespace OHOS {
21 namespace HDI {
22 namespace DISPLAY {
DrmCrtc(drmModeCrtcPtr c,uint32_t pipe)23 DrmCrtc::DrmCrtc(drmModeCrtcPtr c, uint32_t pipe) : mId(c->crtc_id), mPipe(pipe) {}
24
Init(DrmDevice & drmDevice)25 int32_t DrmCrtc::Init(DrmDevice &drmDevice)
26 {
27 DISPLAY_LOGD();
28 int32_t ret;
29 DrmProperty prop;
30 ret = drmDevice.GetCrtcProperty(*this, PROP_MODEID, prop);
31 mModePropId = prop.propId;
32 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), DISPLAY_FAILURE, DISPLAY_LOGE("can not get mode prop id"));
33
34 ret = drmDevice.GetCrtcProperty(*this, PROP_OUTFENCE, prop);
35 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), DISPLAY_FAILURE, DISPLAY_LOGE("cat not get out fence prop id"));
36 mOutFencePropId = prop.propId;
37
38 ret = drmDevice.GetCrtcProperty(*this, PROP_ACTIVE, prop);
39 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), DISPLAY_FAILURE, DISPLAY_LOGE("cat not get out fence prop id"));
40 mActivePropId = prop.propId;
41
42 return DISPLAY_SUCCESS;
43 }
44
BindToDisplay(uint32_t id)45 int32_t DrmCrtc::BindToDisplay(uint32_t id)
46 {
47 DISPLAY_CHK_RETURN((mDisplayId != INVALIDE_DISPLAY_ID), DISPLAY_FAILURE,
48 DISPLAY_LOGE("the crtc has bind to %{public}d", mDisplayId));
49 mDisplayId = id;
50 return DISPLAY_SUCCESS;
51 }
52
UnBindDisplay(uint32_t id)53 void DrmCrtc::UnBindDisplay(uint32_t id)
54 {
55 DISPLAY_LOGD();
56 if (mDisplayId == id) {
57 mDisplayId = INVALIDE_DISPLAY_ID;
58 } else {
59 DISPLAY_LOGE("can not unbind");
60 }
61 }
62
CanBind()63 bool DrmCrtc::CanBind()
64 {
65 return (mDisplayId == INVALIDE_DISPLAY_ID);
66 }
67
SetActivieMode(int32_t id)68 int32_t DrmCrtc::SetActivieMode(int32_t id)
69 {
70 DISPLAY_LOGD("set activie modeid to %{public}d", id);
71 DISPLAY_CHK_RETURN((id > 0), DISPLAY_PARAM_ERR, DISPLAY_LOGE("id %{public}d is invalid ", id));
72 if (mActiveModeId != id) {
73 mNeedModeSet = true;
74 }
75 mActiveModeId = id;
76 return DISPLAY_SUCCESS;
77 }
78 } // namespace OHOS
79 } // namespace HDI
80 } // namespace DISPLAY
81