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PL286/hardware/qcom/display/msm8994/liboverlay/overlay.cpp

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/*
* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <dlfcn.h>
#include "overlay.h"
#include "pipes/overlayGenPipe.h"
#include "mdp_version.h"
#include "qdMetaData.h"
#include "qd_utils.h"
namespace overlay {
using namespace utils;
using namespace qdutils;
Overlay::Overlay() {
int numPipes = qdutils::MDPVersion::getInstance().getTotalPipes();
PipeBook::NUM_PIPES = (numPipes <= utils::OV_MAX)? numPipes : utils::OV_MAX;
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
mPipeBook[i].init();
}
initScalar();
setDMAMultiplexingSupported();
#ifdef USES_POST_PROCESSING
initPostProc();
#endif
}
Overlay::~Overlay() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
mPipeBook[i].destroy();
}
destroyScalar();
#ifdef USES_POST_PROCESSING
destroyPostProc();
#endif
}
void Overlay::configBegin() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
//Mark as available for this round.
PipeBook::resetUse(i);
PipeBook::resetAllocation(i);
}
}
void Overlay::configDone() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
if((PipeBook::isNotUsed(i) && !sessionInProgress((eDest)i)) ||
isSessionEnded((eDest)i)) {
//Forces UNSET on pipes, flushes rotator memory and session, closes
//fds
mPipeBook[i].destroy();
}
}
PipeBook::save();
}
int Overlay::getPipeId(utils::eDest dest) {
return mPipeBook[(int)dest].mPipe->getPipeId();
}
eDest Overlay::getDest(int pipeid) {
eDest dest = OV_INVALID;
// finding the dest corresponding to the given pipe
for(int i=0; i < PipeBook::NUM_PIPES; ++i) {
if(mPipeBook[i].valid() && mPipeBook[i].mPipe->getPipeId() == pipeid) {
return (eDest)i;
}
}
return dest;
}
eDest Overlay::reservePipe(int pipeid) {
eDest dest = getDest(pipeid);
PipeBook::setAllocation((int)dest);
return dest;
}
eDest Overlay::nextPipe(eMdpPipeType type, const PipeSpecs& pipeSpecs) {
eDest dest = OV_INVALID;
int dpy = pipeSpecs.dpy;
int mixer = pipeSpecs.mixer;
int formatType = pipeSpecs.formatClass;
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
if( (type == OV_MDP_PIPE_ANY || //Pipe type match
type == PipeBook::getPipeType((eDest)i)) &&
(mPipeBook[i].mDisplay == DPY_UNUSED || //Free or same display
mPipeBook[i].mDisplay == dpy) &&
(mPipeBook[i].mMixer == MIXER_UNUSED || //Free or same mixer
mPipeBook[i].mMixer == mixer) &&
(mPipeBook[i].mFormatType == FORMAT_NONE || //Free or same format
mPipeBook[i].mFormatType == formatType) &&
PipeBook::isNotAllocated(i) && //Free pipe
( (sDMAMultiplexingSupported && dpy) ||
!(sDMAMode == DMA_BLOCK_MODE && //DMA pipe in Line mode
PipeBook::getPipeType((eDest)i) == OV_MDP_PIPE_DMA)) ){
//DMA-Multiplexing is only supported for WB on 8x26
dest = (eDest)i;
PipeBook::setAllocation(i);
break;
}
}
if(dest != OV_INVALID) {
int index = (int)dest;
mPipeBook[index].mDisplay = dpy;
mPipeBook[index].mMixer = mixer;
mPipeBook[index].mFormatType = formatType;
if(not mPipeBook[index].valid()) {
mPipeBook[index].mPipe = new GenericPipe(dpy);
mPipeBook[index].mSession = PipeBook::NONE;
}
}
return dest;
}
utils::eDest Overlay::getPipe(const PipeSpecs& pipeSpecs) {
if(MDPVersion::getInstance().is8x26()) {
return getPipe_8x26(pipeSpecs);
} else if(MDPVersion::getInstance().is8x16()) {
return getPipe_8x16(pipeSpecs);
} else if(MDPVersion::getInstance().is8x39()) {
return getPipe_8x39(pipeSpecs);
} else if(MDPVersion::getInstance().is8994()) {
return getPipe_8994(pipeSpecs);
}
eDest dest = OV_INVALID;
//The default behavior is to assume RGB and VG pipes have scalars
if(pipeSpecs.formatClass == FORMAT_YUV) {
return nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
} else if(pipeSpecs.fb == false) { //RGB App layers
if(not pipeSpecs.needsScaling) {
dest = nextPipe(OV_MDP_PIPE_DMA, pipeSpecs);
}
if(dest == OV_INVALID) {
dest = nextPipe(OV_MDP_PIPE_RGB, pipeSpecs);
}
if(dest == OV_INVALID) {
dest = nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
}
} else { //FB layer
dest = nextPipe(OV_MDP_PIPE_RGB, pipeSpecs);
if(dest == OV_INVALID) {
dest = nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
}
//Some features can cause FB to have scaling as well.
//If we ever come to this block with FB needing scaling,
//the screen will be black for a frame, since the FB won't get a pipe
//but atleast this will prevent a hang
if(dest == OV_INVALID and (not pipeSpecs.needsScaling)) {
dest = nextPipe(OV_MDP_PIPE_DMA, pipeSpecs);
}
}
return dest;
}
utils::eDest Overlay::getPipe_8x26(const PipeSpecs& pipeSpecs) {
//Use this to hide all the 8x26 requirements that cannot be humanly
//described in a generic way
eDest dest = OV_INVALID;
if(pipeSpecs.formatClass == FORMAT_YUV) { //video
return nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
} else if(pipeSpecs.fb == false) { //RGB app layers
if((not pipeSpecs.needsScaling) and
(not (pipeSpecs.numActiveDisplays > 1 &&
pipeSpecs.dpy == DPY_PRIMARY))) {
dest = nextPipe(OV_MDP_PIPE_DMA, pipeSpecs);
}
if(dest == OV_INVALID) {
dest = nextPipe(OV_MDP_PIPE_RGB, pipeSpecs);
}
if(dest == OV_INVALID) {
dest = nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
}
} else { //FB layer
//For 8x26 Secondary we use DMA always for FB for inline rotation
if(pipeSpecs.dpy == DPY_PRIMARY) {
dest = nextPipe(OV_MDP_PIPE_RGB, pipeSpecs);
if(dest == OV_INVALID) {
dest = nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
}
}
if(dest == OV_INVALID and (not pipeSpecs.needsScaling) and
(not (pipeSpecs.numActiveDisplays > 1 &&
pipeSpecs.dpy == DPY_PRIMARY))) {
dest = nextPipe(OV_MDP_PIPE_DMA, pipeSpecs);
}
}
return dest;
}
utils::eDest Overlay::getPipe_8x16(const PipeSpecs& pipeSpecs) {
//Having such functions help keeping the interface generic but code specific
//and rife with assumptions
eDest dest = OV_INVALID;
if(pipeSpecs.formatClass == FORMAT_YUV or pipeSpecs.needsScaling) {
return nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
} else {
//Since this is a specific func, we can assume stuff like RGB pipe not
//having scalar blocks
dest = nextPipe(OV_MDP_PIPE_RGB, pipeSpecs);
if(dest == OV_INVALID) {
dest = nextPipe(OV_MDP_PIPE_DMA, pipeSpecs);
}
if(dest == OV_INVALID) {
dest = nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
}
}
return dest;
}
utils::eDest Overlay::getPipe_8x39(const PipeSpecs& pipeSpecs) {
//8x16 & 8x36 has same number of pipes, pipe-types & scaling capabilities.
//Rely on 8x16 until we see a need to change.
return getPipe_8x16(pipeSpecs);
}
utils::eDest Overlay::getPipe_8994(const PipeSpecs& pipeSpecs) {
//If DMA pipes need to be used in block mode for downscale, there could be
//cases where consecutive rounds need separate modes, which cannot be
//supported since we at least need 1 round in between where the DMA is
//unused
eDest dest = OV_INVALID;
if(pipeSpecs.formatClass == FORMAT_YUV) {
return nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
} else {
dest = nextPipe(OV_MDP_PIPE_RGB, pipeSpecs);
if(dest == OV_INVALID) {
dest = nextPipe(OV_MDP_PIPE_VG, pipeSpecs);
}
if(dest == OV_INVALID and not pipeSpecs.needsScaling) {
dest = nextPipe(OV_MDP_PIPE_DMA, pipeSpecs);
}
}
return dest;
}
void Overlay::endAllSessions() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
if(mPipeBook[i].valid() && mPipeBook[i].mSession==PipeBook::START)
mPipeBook[i].mSession = PipeBook::END;
}
}
bool Overlay::isPipeTypeAttached(eMdpPipeType type) {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
if(type == PipeBook::getPipeType((eDest)i) &&
mPipeBook[i].mDisplay != DPY_UNUSED) {
return true;
}
}
return false;
}
bool Overlay::needsPrioritySwap(utils::eDest pipe1Index,
utils::eDest pipe2Index) {
validate((int)pipe1Index);
validate((int)pipe2Index);
uint8_t pipe1Prio = mPipeBook[(int)pipe1Index].mPipe->getPriority();
uint8_t pipe2Prio = mPipeBook[(int)pipe2Index].mPipe->getPriority();
int pipe1Id = mPipeBook[(int)pipe1Index].mPipe->getPipeId();
int pipe2Id = mPipeBook[(int)pipe2Index].mPipe->getPipeId();
utils::eMdpPipeType leftType = PipeBook::getPipeType(pipe1Index);
utils::eMdpPipeType rightType = PipeBook::getPipeType(pipe2Index);
if(pipe1Id >=0 && pipe2Id >=0) {
// LEFT priority should be higher then RIGHT
return (pipe1Prio > pipe2Prio);
} else if(pipe1Id < 0 && pipe2Id < 0) {
// If we are here, Source Split is enabled and both pipes are
// new requests. In this case left type should be of higher prio
// than right type
if(leftType == rightType) {
//Safe. Onus on driver to assign correct pipes within same type
return false;
} else {
//This check takes advantage of having only 3 types and avoids 3
//different failure combination checks.
// Swap IF:
// ----------------
// | Left | Right |
// ================
// | DMA | ViG |
// ----------------
// | DMA | RGB |
// ----------------
// | RGB | ViG |
// ----------------
return (leftType == OV_MDP_PIPE_DMA or rightType == OV_MDP_PIPE_VG);
}
} else if(pipe1Id < 0) {
//LEFT needs new allocation.
if(leftType == rightType) {
// If RIGHT has highest priority(lowest id), swap it.
return (pipe2Id == PipeBook::pipeMinID[leftType]);
} else {
return (leftType == OV_MDP_PIPE_DMA or rightType == OV_MDP_PIPE_VG);
}
} else { /* if (pipe2Id < 0) */
// RIGHT needs new allocation.
if(leftType == rightType) {
// If LEFT has lowest priority(highest id), swap it.
return (pipe1Id == PipeBook::pipeMaxID[leftType]);
} else {
return (leftType == OV_MDP_PIPE_DMA or rightType == OV_MDP_PIPE_VG);
}
}
}
bool Overlay::commit(utils::eDest dest) {
bool ret = false;
validate((int)dest);
if(mPipeBook[dest].mPipe->commit()) {
ret = true;
PipeBook::setUse((int)dest);
} else {
clear(mPipeBook[dest].mDisplay);
}
return ret;
}
bool Overlay::queueBuffer(int fd, uint32_t offset,
utils::eDest dest) {
bool ret = false;
validate((int)dest);
//Queue only if commit() has succeeded (and the bit set)
if(PipeBook::isUsed((int)dest)) {
ret = mPipeBook[dest].mPipe->queueBuffer(fd, offset);
}
return ret;
}
void Overlay::setCrop(const utils::Dim& d,
utils::eDest dest) {
validate((int)dest);
mPipeBook[dest].mPipe->setCrop(d);
}
void Overlay::setColor(const uint32_t color,
utils::eDest dest) {
validate((int)dest);
mPipeBook[dest].mPipe->setColor(color);
}
void Overlay::setPosition(const utils::Dim& d,
utils::eDest dest) {
validate((int)dest);
mPipeBook[dest].mPipe->setPosition(d);
}
void Overlay::setTransform(const int orient,
utils::eDest dest) {
validate((int)dest);
utils::eTransform transform =
static_cast<utils::eTransform>(orient);
mPipeBook[dest].mPipe->setTransform(transform);
}
void Overlay::setSource(const utils::PipeArgs args,
utils::eDest dest) {
validate((int)dest);
setPipeType(dest, PipeBook::getPipeType(dest));
mPipeBook[dest].mPipe->setSource(args);
}
void Overlay::setVisualParams(const MetaData_t& metadata, utils::eDest dest) {
validate((int)dest);
mPipeBook[dest].mPipe->setVisualParams(metadata);
}
void Overlay::setPipeType(utils::eDest pipeIndex,
const utils::eMdpPipeType pType) {
mPipeBook[pipeIndex].mPipe->setPipeType(pType);
}
Overlay* Overlay::getInstance() {
if(sInstance == NULL) {
sInstance = new Overlay();
}
return sInstance;
}
// Clears any VG pipes allocated to the fb devices
// Generates a LUT for pipe types.
int Overlay::initOverlay() {
int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
int numPipesXType[OV_MDP_PIPE_ANY] = {0};
numPipesXType[OV_MDP_PIPE_RGB] =
qdutils::MDPVersion::getInstance().getRGBPipes();
numPipesXType[OV_MDP_PIPE_VG] =
qdutils::MDPVersion::getInstance().getVGPipes();
numPipesXType[OV_MDP_PIPE_DMA] =
qdutils::MDPVersion::getInstance().getDMAPipes();
int index = 0;
for(int X = 0; X < (int)OV_MDP_PIPE_ANY; X++) { //iterate over types
for(int j = 0; j < numPipesXType[X]; j++) { //iterate over num
PipeBook::pipeTypeLUT[index] = (utils::eMdpPipeType)X;
index++;
}
}
PipeBook::pipeMinID[OV_MDP_PIPE_RGB] = 8;
PipeBook::pipeMaxID[OV_MDP_PIPE_RGB] = (numPipesXType[OV_MDP_PIPE_RGB] == 3)? 32 : 512;
PipeBook::pipeMinID[OV_MDP_PIPE_VG] = 1;
PipeBook::pipeMaxID[OV_MDP_PIPE_VG] = (numPipesXType[OV_MDP_PIPE_VG] == 3)? 4 : 256;
PipeBook::pipeMinID[OV_MDP_PIPE_DMA] = 64;
PipeBook::pipeMaxID[OV_MDP_PIPE_DMA] = 128;
FILE *displayDeviceFP = NULL;
char fbType[MAX_FRAME_BUFFER_NAME_SIZE];
char msmFbTypePath[MAX_FRAME_BUFFER_NAME_SIZE];
const char *strDtvPanel = "dtv panel";
const char *strWbPanel = "writeback panel";
for(int num = 1; num < MAX_FB_DEVICES; num++) {
snprintf (msmFbTypePath, sizeof(msmFbTypePath),
"/sys/class/graphics/fb%d/msm_fb_type", num);
displayDeviceFP = fopen(msmFbTypePath, "r");
if(displayDeviceFP){
fread(fbType, sizeof(char), MAX_FRAME_BUFFER_NAME_SIZE,
displayDeviceFP);
if(strncmp(fbType, strDtvPanel, strlen(strDtvPanel)) == 0) {
sDpyFbMap[DPY_EXTERNAL] = num;
} else if(strncmp(fbType, strWbPanel, strlen(strWbPanel)) == 0) {
sDpyFbMap[DPY_WRITEBACK] = num;
}
fclose(displayDeviceFP);
}
}
return 0;
}
bool Overlay::displayCommit(const int& fd) {
utils::Dim lRoi, rRoi;
return displayCommit(fd, lRoi, rRoi);
}
bool Overlay::displayCommit(const int& fd, const utils::Dim& lRoi,
const utils::Dim& rRoi) {
//Commit
struct mdp_display_commit info;
memset(&info, 0, sizeof(struct mdp_display_commit));
info.flags = MDP_DISPLAY_COMMIT_OVERLAY;
info.l_roi.x = lRoi.x;
info.l_roi.y = lRoi.y;
info.l_roi.w = lRoi.w;
info.l_roi.h = lRoi.h;
info.r_roi.x = rRoi.x;
info.r_roi.y = rRoi.y;
info.r_roi.w = rRoi.w;
info.r_roi.h = rRoi.h;
if(!mdp_wrapper::displayCommit(fd, info)) {
ALOGE("%s: commit failed", __func__);
return false;
}
return true;
}
void Overlay::getDump(char *buf, size_t len) {
int totalPipes = 0;
const char *str = "\nOverlay State\n\n";
strlcat(buf, str, len);
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
if(mPipeBook[i].valid()) {
mPipeBook[i].mPipe->getDump(buf, len);
char str[64] = {'\0'};
snprintf(str, 64, "Display=%d\n\n", mPipeBook[i].mDisplay);
strlcat(buf, str, len);
totalPipes++;
}
}
char str_pipes[64] = {'\0'};
snprintf(str_pipes, 64, "Pipes=%d\n\n", totalPipes);
strlcat(buf, str_pipes, len);
}
void Overlay::clear(int dpy) {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
if (mPipeBook[i].mDisplay == dpy) {
// Mark as available for this round
PipeBook::resetUse(i);
PipeBook::resetAllocation(i);
if(getPipeId((utils::eDest)i) == -1) {
mPipeBook[i].destroy();
}
}
}
}
bool Overlay::validateAndSet(const int& dpy, const int& fbFd) {
GenericPipe* pipeArray[PipeBook::NUM_PIPES];
memset(pipeArray, 0, sizeof(GenericPipe*)*(PipeBook::NUM_PIPES));
int num = 0;
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
if(PipeBook::isUsed(i) && mPipeBook[i].valid() &&
mPipeBook[i].mDisplay == dpy) {
pipeArray[num++] = mPipeBook[i].mPipe;
}
}
//Protect against misbehaving clients
return num ? GenericPipe::validateAndSet(pipeArray, num, fbFd) : true;
}
void Overlay::initScalar() {
if(sLibScaleHandle == NULL) {
sLibScaleHandle = dlopen("libscale.so", RTLD_NOW);
if(sLibScaleHandle) {
*(void **) &sFnProgramScale =
dlsym(sLibScaleHandle, "programScale");
}
}
}
void Overlay::destroyScalar() {
if(sLibScaleHandle) {
dlclose(sLibScaleHandle);
sLibScaleHandle = NULL;
}
}
void Overlay::initPostProc() {
sLibAblHandle = dlopen("libmm-abl.so", RTLD_NOW);
if (sLibAblHandle) {
*(void **)&sFnppParams = dlsym(sLibAblHandle,
"display_pp_compute_params");
} else {
ALOGE("%s: Not able to load libmm-abl.so", __FUNCTION__);
}
}
void Overlay::destroyPostProc() {
if (sLibAblHandle) {
dlclose(sLibAblHandle);
sLibAblHandle = NULL;
}
}
void Overlay::PipeBook::init() {
mPipe = NULL;
mDisplay = DPY_UNUSED;
mMixer = MIXER_UNUSED;
mFormatType = FORMAT_NONE;
}
void Overlay::PipeBook::destroy() {
if(mPipe) {
delete mPipe;
mPipe = NULL;
}
mDisplay = DPY_UNUSED;
mMixer = MIXER_UNUSED;
mFormatType = FORMAT_NONE;
mSession = NONE;
}
Overlay* Overlay::sInstance = 0;
int Overlay::sDpyFbMap[DPY_MAX] = {0, -1, -1};
int Overlay::sDMAMode = DMA_LINE_MODE;
bool Overlay::sDMAMultiplexingSupported = false;
bool Overlay::sDebugPipeLifecycle = false;
int Overlay::PipeBook::NUM_PIPES = 0;
int Overlay::PipeBook::sPipeUsageBitmap = 0;
int Overlay::PipeBook::sLastUsageBitmap = 0;
int Overlay::PipeBook::sAllocatedBitmap = 0;
utils::eMdpPipeType Overlay::PipeBook::pipeTypeLUT[utils::OV_MAX] =
{utils::OV_MDP_PIPE_ANY};
int Overlay::PipeBook::pipeMinID[utils::OV_MDP_PIPE_ANY] = {0};
int Overlay::PipeBook::pipeMaxID[utils::OV_MDP_PIPE_ANY] = {0};
void *Overlay::sLibScaleHandle = NULL;
int (*Overlay::sFnProgramScale)(struct mdp_overlay_list *) = NULL;
/* Dynamically link ABL library */
void *Overlay::sLibAblHandle = NULL;
int (*Overlay::sFnppParams)(const struct compute_params *,
struct mdp_overlay_pp_params *) = NULL;
}; // namespace overlay