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_log.h"
18 #include "drm_device.h"
19
20 namespace OHOS {
21 namespace HDI {
22 namespace DISPLAY {
23 struct PlaneMaskName planeMaskNames[] = {
24 { DrmPlaneType::DRM_PLANE_TYPE_CLUSTER0_MASK, "Cluster0" },
25 { DrmPlaneType::DRM_PLANE_TYPE_CLUSTER1_MASK, "Cluster1" },
26 { DrmPlaneType::DRM_PLANE_TYPE_CLUSTER2_MASK, "Cluster2" },
27 { DrmPlaneType::DRM_PLANE_TYPE_CLUSTER3_MASK, "Cluster3" },
28 { DrmPlaneType::DRM_PLANE_TYPE_ESMART0_MASK, "Esmart0" },
29 { DrmPlaneType::DRM_PLANE_TYPE_ESMART1_MASK, "Esmart1" },
30 { DrmPlaneType::DRM_PLANE_TYPE_ESMART2_MASK, "Esmart2" },
31 { DrmPlaneType::DRM_PLANE_TYPE_ESMART3_MASK, "Esmart3" },
32 { DrmPlaneType::DRM_PLANE_TYPE_Unknown, "unknown" },
33 };
34
DrmCrtc(drmModeCrtcPtr c,uint32_t pipe)35 DrmCrtc::DrmCrtc(drmModeCrtcPtr c, uint32_t pipe) : mId(c->crtc_id), mPipe(pipe), mPlaneMask(0)
36 {
37 }
38
Init(DrmDevice & drmDevice)39 int32_t DrmCrtc::Init(DrmDevice &drmDevice)
40 {
41 DISPLAY_LOGD();
42 int32_t ret;
43 DrmProperty prop;
44 ret = drmDevice.GetCrtcProperty(*this, PROP_MODEID, prop);
45 mModePropId = prop.propId;
46 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), DISPLAY_FAILURE, DISPLAY_LOGE("can not get mode prop id"));
47
48 ret = drmDevice.GetCrtcProperty(*this, PROP_OUTFENCE, prop);
49 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), DISPLAY_FAILURE, DISPLAY_LOGE("cat not get out fence prop id"));
50 mOutFencePropId = prop.propId;
51
52 ret = drmDevice.GetCrtcProperty(*this, PROP_ACTIVE, prop);
53 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), DISPLAY_FAILURE, DISPLAY_LOGE("cat not get out fence prop id"));
54 mActivePropId = prop.propId;
55
56 // Plane mask
57 mPlaneMask = 0;
58 ret = drmDevice.GetCrtcProperty(*this, "PLANE_MASK", prop);
59 if (ret != DISPLAY_SUCCESS) {
60 DISPLAY_LOGE("Failed to get plane_mask property");
61 } else {
62 for (int i = 0; i < static_cast<int>(ARRAY_SIZE(planeMaskNames)); i++) {
63 for (auto &drmEnum : prop.enums) {
64 if (!strncmp(drmEnum.name.c_str(), (const char*)planeMaskNames[i].name,
65 strlen(drmEnum.name.c_str())) && (prop.value & (1LL << drmEnum.value)) > 0) {
66 mPlaneMask |= static_cast<int>(planeMaskNames[i].mask);
67 DISPLAY_LOGI("crtc id %{public}d, plane name %{public}s value %{public}llx",
68 GetId(), (const char*)planeMaskNames[i].name,
69 (long long)planeMaskNames[i].mask);
70 }
71 }
72 }
73 }
74 return DISPLAY_SUCCESS;
75 }
76
BindToDisplay(uint32_t id)77 int32_t DrmCrtc::BindToDisplay(uint32_t id)
78 {
79 DISPLAY_CHK_RETURN((mDisplayId != INVALIDE_DISPLAY_ID), DISPLAY_FAILURE,
80 DISPLAY_LOGE("the crtc has bind to %{public}d", mDisplayId));
81 mDisplayId = id;
82 return DISPLAY_SUCCESS;
83 }
84
UnBindDisplay(uint32_t id)85 void DrmCrtc::UnBindDisplay(uint32_t id)
86 {
87 DISPLAY_LOGD();
88 if (mDisplayId == id) {
89 mDisplayId = INVALIDE_DISPLAY_ID;
90 } else {
91 DISPLAY_LOGE("can not unbind");
92 }
93 }
94
CanBind()95 bool DrmCrtc::CanBind()
96 {
97 return (mDisplayId == INVALIDE_DISPLAY_ID);
98 }
99
SetActivieMode(int32_t id)100 int32_t DrmCrtc::SetActivieMode(int32_t id)
101 {
102 DISPLAY_LOGE("set activie modeid to %{public}d", id);
103 DISPLAY_CHK_RETURN((id > 0), DISPLAY_PARAM_ERR, DISPLAY_LOGE("id %{public}d is invalid ", id));
104 if (mActiveModeId != id) {
105 mNeedModeSet = true;
106 }
107 mActiveModeId = id;
108 return DISPLAY_SUCCESS;
109 }
110 } // namespace OHOS
111 } // namespace HDI
112 } // namespace DISPLAY
113