1/*
2* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
3*
4* Redistribution and use in source and binary forms, with or without
5* modification, are permitted provided that the following conditions are
6* met:
7*    * Redistributions of source code must retain the above copyright
8*      notice, this list of conditions and the following disclaimer.
9*    * Redistributions in binary form must reproduce the above
10*      copyright notice, this list of conditions and the following
11*      disclaimer in the documentation and/or other materials provided
12*      with the distribution.
13*    * Neither the name of The Linux Foundation nor the names of its
14*      contributors may be used to endorse or promote products derived
15*      from this software without specific prior written permission.
16*
17* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*/
29
30#include "overlayGenPipe.h"
31#include "mdp_version.h"
32
33namespace overlay {
34
35GenericPipe::GenericPipe(const int& dpy) : mDpy(dpy), mRotDownscaleOpt(false),
36    pipeState(CLOSED), mCtrl(new Ctrl(dpy)), mData(new Data(dpy)) {
37}
38
39GenericPipe::~GenericPipe() {
40    delete mCtrl;
41    delete mData;
42    setClosed();
43}
44
45void GenericPipe::setSource(const utils::PipeArgs& args) {
46    mRotDownscaleOpt = args.rotFlags & utils::ROT_DOWNSCALE_ENABLED;
47    mCtrl->setSource(args);
48}
49
50void GenericPipe::setCrop(const overlay::utils::Dim& d) {
51    mCtrl->setCrop(d);
52}
53
54void GenericPipe::setColor(const uint32_t color) {
55    mCtrl->setColor(color);
56}
57
58void GenericPipe::setTransform(const utils::eTransform& orient) {
59    mCtrl->setTransform(orient);
60}
61
62void GenericPipe::setPosition(const utils::Dim& d) {
63    mCtrl->setPosition(d);
64}
65
66bool GenericPipe::setVisualParams(const MetaData_t &metadata)
67{
68        return mCtrl->setVisualParams(metadata);
69}
70
71bool GenericPipe::commit() {
72    bool ret = false;
73    int downscale_factor = utils::ROT_DS_NONE;
74
75    if(mRotDownscaleOpt) {
76        ovutils::Dim src(mCtrl->getCrop());
77        ovutils::Dim dst(mCtrl->getPosition());
78        downscale_factor = ovutils::getDownscaleFactor(
79                src.w, src.h, dst.w, dst.h);
80    }
81
82    mCtrl->setDownscale(downscale_factor);
83    ret = mCtrl->commit();
84
85    pipeState = ret ? OPEN : CLOSED;
86    return ret;
87}
88
89bool GenericPipe::queueBuffer(int fd, uint32_t offset) {
90    //TODO Move pipe-id transfer to CtrlData class. Make ctrl and data private.
91    OVASSERT(isOpen(), "State is closed, cannot queueBuffer");
92    int pipeId = mCtrl->getPipeId();
93    OVASSERT(-1 != pipeId, "Ctrl ID should not be -1");
94    // set pipe id from ctrl to data
95    mData->setPipeId(pipeId);
96
97    return mData->queueBuffer(fd, offset);
98}
99
100int GenericPipe::getCtrlFd() const {
101    return mCtrl->getFd();
102}
103
104utils::Dim GenericPipe::getCrop() const
105{
106    return mCtrl->getCrop();
107}
108
109uint8_t GenericPipe::getPriority() const {
110    return mCtrl->getPriority();
111}
112
113void GenericPipe::dump() const
114{
115    ALOGE("== Dump Generic pipe start ==");
116    ALOGE("pipe state = %d", (int)pipeState);
117    mCtrl->dump();
118    mData->dump();
119    ALOGE("== Dump Generic pipe end ==");
120}
121
122void GenericPipe::getDump(char *buf, size_t len) {
123    mCtrl->getDump(buf, len);
124    mData->getDump(buf, len);
125}
126
127bool GenericPipe::isClosed() const  {
128    return (pipeState == CLOSED);
129}
130
131bool GenericPipe::isOpen() const  {
132    return (pipeState == OPEN);
133}
134
135bool GenericPipe::setClosed() {
136    pipeState = CLOSED;
137    return true;
138}
139
140int GenericPipe::getPipeId() {
141    return mCtrl->getPipeId();
142}
143
144bool GenericPipe::validateAndSet(GenericPipe* pipeArray[], const int& count,
145        const int& fbFd) {
146    Ctrl* ctrlArray[count];
147    memset(&ctrlArray, 0, sizeof(ctrlArray));
148
149    for(int i = 0; i < count; i++) {
150        ctrlArray[i] = pipeArray[i]->mCtrl;
151    }
152
153    return Ctrl::validateAndSet(ctrlArray, count, fbFd);
154}
155
156} //namespace overlay
157