overlayRotator.cpp revision 47377987cc4eef72ee3b0cdced8c3a15038b39eb 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
4 * Not a Contribution, Apache license notifications and license are retained
5 * for attribution purposes only.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 *      http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18*/
19
20#include "overlayRotator.h"
21#include "overlayUtils.h"
22#include "mdp_version.h"
23
24namespace ovutils = overlay::utils;
25
26namespace overlay {
27
28Rotator::~Rotator() {}
29
30Rotator* Rotator::getRotator() {
31    int type = getRotatorHwType();
32    if(type == TYPE_MDP) {
33        return new MdpRot(); //will do reset
34    } else if(type == TYPE_MDSS) {
35        return new MdssRot();
36    } else {
37        ALOGE("%s Unknown h/w type %d", __FUNCTION__, type);
38        return NULL;
39    }
40}
41
42int Rotator::getRotatorHwType() {
43    int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
44    if (mdpVersion == qdutils::MDSS_V5)
45        return TYPE_MDSS;
46    return TYPE_MDP;
47}
48
49bool RotMem::close() {
50    bool ret = true;
51    for(uint32_t i=0; i < RotMem::MAX_ROT_MEM; ++i) {
52        // skip current, and if valid, close
53        if(m[i].valid()) {
54            if(m[i].close() == false) {
55                ALOGE("%s error in closing rot mem %d", __FUNCTION__, i);
56                ret = false;
57            }
58        }
59    }
60    return ret;
61}
62
63}
64