1 /*
2 * Copyright (c) 2021-2023 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_ESMART0_MASK, "Esmart0" },
27 { DrmPlaneType::DRM_PLANE_TYPE_ESMART1_MASK, "Esmart1" },
28 { DrmPlaneType::DRM_PLANE_TYPE_SMART0_MASK, "Smart0" },
29 { DrmPlaneType::DRM_PLANE_TYPE_SMART1_MASK, "Smart1" },
30 { DrmPlaneType::DRM_PLANE_TYPE_Unknown, "unknown" },
31 };
32
DrmCrtc(drmModeCrtcPtr c,uint32_t pipe)33 DrmCrtc::DrmCrtc(drmModeCrtcPtr c, uint32_t pipe) : mId(c->crtc_id), mPipe(pipe), mPlaneMask(0)
34 {
35 }
36
Init(DrmDevice & drmDevice)37 int32_t DrmCrtc::Init(DrmDevice &drmDevice)
38 {
39 DISPLAY_LOGD();
40 int32_t ret;
41 DrmProperty prop;
42 ret = drmDevice.GetCrtcProperty(*this, PROP_MODEID, prop);
43 mModePropId = prop.propId;
44 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), DISPLAY_FAILURE, DISPLAY_LOGE("can not get mode prop id"));
45
46 ret = drmDevice.GetCrtcProperty(*this, PROP_OUTFENCE, prop);
47 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), DISPLAY_FAILURE, DISPLAY_LOGE("cat not get out fence prop id"));
48 mOutFencePropId = prop.propId;
49
50 ret = drmDevice.GetCrtcProperty(*this, PROP_ACTIVE, prop);
51 DISPLAY_CHK_RETURN((ret != DISPLAY_SUCCESS), DISPLAY_FAILURE, DISPLAY_LOGE("cat not get out fence prop id"));
52 mActivePropId = prop.propId;
53
54 // Plane mask
55 mPlaneMask = 0;
56 ret = drmDevice.GetCrtcProperty(*this, "PLANE_MASK", prop);
57 if (ret != DISPLAY_SUCCESS) {
58 DISPLAY_LOGE("Failed to get plane_mask property");
59 } else {
60 for (int i = 0; i < static_cast<int>(ARRAY_SIZE(planeMaskNames)); i++) {
61 for (auto &drmEnum : prop.enums) {
62 if (!strncmp(drmEnum.name.c_str(), (const char*)planeMaskNames[i].name,
63 strlen(drmEnum.name.c_str())) && (prop.value & (1LL << drmEnum.value)) > 0) {
64 mPlaneMask |= static_cast<int>(planeMaskNames[i].mask);
65 DISPLAY_LOGI("crtc id %{public}d, plane name %{public}s value %{public}llx",
66 GetId(), (const char*)planeMaskNames[i].name,
67 (long long)planeMaskNames[i].mask);
68 }
69 }
70 }
71 }
72 return DISPLAY_SUCCESS;
73 }
74
BindToDisplay(uint32_t id)75 int32_t DrmCrtc::BindToDisplay(uint32_t id)
76 {
77 DISPLAY_CHK_RETURN((mDisplayId != INVALIDE_DISPLAY_ID), DISPLAY_FAILURE,
78 DISPLAY_LOGE("the crtc has bind to %{public}d", mDisplayId));
79 mDisplayId = id;
80 return DISPLAY_SUCCESS;
81 }
82
UnBindDisplay(uint32_t id)83 void DrmCrtc::UnBindDisplay(uint32_t id)
84 {
85 DISPLAY_LOGD();
86 if (mDisplayId == id) {
87 mDisplayId = INVALIDE_DISPLAY_ID;
88 } else {
89 DISPLAY_LOGE("can not unbind");
90 }
91 }
92
CanBind()93 bool DrmCrtc::CanBind()
94 {
95 return (mDisplayId == INVALIDE_DISPLAY_ID);
96 }
97
SetActivieMode(int32_t id)98 int32_t DrmCrtc::SetActivieMode(int32_t id)
99 {
100 DISPLAY_LOGD("set activie modeid to %{public}d", id);
101 DISPLAY_CHK_RETURN((id > 0), DISPLAY_PARAM_ERR, DISPLAY_LOGE("id %{public}d is invalid ", id));
102 if (mActiveModeId != id) {
103 mNeedModeSet = true;
104 }
105 mActiveModeId = id;
106 return DISPLAY_SUCCESS;
107 }
108 } // namespace OHOS
109 } // namespace HDI
110 } // namespace DISPLAY
111