Files
android_vendor_qcom_opensou…/liboverlay/overlay.cpp
Raj Kamal a8c065f55d hwc: allow DMA pipe in BLOCK mode for virtual dpy
For portrait videos case on WFD, driver supports multiplexing
of DMA pipe in LINE and BLOCK mode.
Loosen the requirements to allow DMA pipe in block mode for
portrait case of virtual display.

Change-Id: I5821501f89b17bb2d29c425aee0a6c16b2a4783b
2013-12-03 09:54:06 +05:30

476 lines
14 KiB
C++

/*
* Copyright (c) 2011-2013, 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"
#ifdef USES_QSEED_SCALAR
#include <scale/scale.h>
using namespace scale;
#endif
#define PIPE_DEBUG 0
namespace overlay {
using namespace utils;
Overlay::Overlay() {
PipeBook::NUM_PIPES = qdutils::MDPVersion::getInstance().getTotalPipes();
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
mPipeBook[i].init();
}
mDumpStr[0] = '\0';
initScalar();
setDMAMultiplexingSupported();
}
Overlay::~Overlay() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
mPipeBook[i].destroy();
}
destroyScalar();
}
void Overlay::configBegin() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
//Mark as available for this round.
PipeBook::resetUse(i);
PipeBook::resetAllocation(i);
}
sForceSetBitmap = 0;
mDumpStr[0] = '\0';
#ifdef USES_QSEED_SCALAR
Scale *scalar = getScalar();
if(scalar) {
scalar->configBegin();
}
#endif
}
void Overlay::configDone() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
if(PipeBook::isNotUsed(i)) {
//Forces UNSET on pipes, flushes rotator memory and session, closes
//fds
if(mPipeBook[i].valid()) {
char str[32];
sprintf(str, "Unset=%s dpy=%d mix=%d; ",
PipeBook::getDestStr((eDest)i),
mPipeBook[i].mDisplay, mPipeBook[i].mMixer);
#if PIPE_DEBUG
strncat(mDumpStr, str, strlen(str));
#endif
}
mPipeBook[i].destroy();
}
}
dump();
PipeBook::save();
#ifdef USES_QSEED_SCALAR
Scale *scalar = getScalar();
if(scalar) {
scalar->configDone();
}
#endif
}
eDest Overlay::nextPipe(eMdpPipeType type, int dpy, int mixer) {
eDest dest = OV_INVALID;
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) &&
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;
if(not mPipeBook[index].valid()) {
mPipeBook[index].mPipe = new GenericPipe(dpy);
char str[32];
snprintf(str, 32, "Set=%s dpy=%d mix=%d; ",
PipeBook::getDestStr(dest), dpy, mixer);
#if PIPE_DEBUG
strncat(mDumpStr, str, strlen(str));
#endif
}
} else {
ALOGD_IF(PIPE_DEBUG, "Pipe unavailable type=%d display=%d mixer=%d",
(int)type, dpy, mixer);
}
return dest;
}
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::commit(utils::eDest dest) {
bool ret = false;
int index = (int)dest;
validate(index);
if(mPipeBook[index].mPipe->commit()) {
ret = true;
PipeBook::setUse((int)dest);
if(sForceSetBitmap & (1 << mPipeBook[index].mDisplay)) {
mPipeBook[index].mPipe->forceSet();
}
} else {
int dpy = mPipeBook[index].mDisplay;
for(int i = 0; i < PipeBook::NUM_PIPES; i++)
if (mPipeBook[i].mDisplay == dpy) {
PipeBook::resetAllocation(i);
PipeBook::resetUse(i);
if(mPipeBook[i].valid()) {
mPipeBook[i].mPipe->forceSet();
}
}
}
return ret;
}
bool Overlay::queueBuffer(int fd, uint32_t offset,
utils::eDest dest) {
int index = (int)dest;
bool ret = false;
validate(index);
//Queue only if commit() has succeeded (and the bit set)
if(PipeBook::isUsed((int)dest)) {
ret = mPipeBook[index].mPipe->queueBuffer(fd, offset);
}
return ret;
}
void Overlay::setCrop(const utils::Dim& d,
utils::eDest dest) {
int index = (int)dest;
validate(index);
mPipeBook[index].mPipe->setCrop(d);
}
void Overlay::setPosition(const utils::Dim& d,
utils::eDest dest) {
int index = (int)dest;
validate(index);
mPipeBook[index].mPipe->setPosition(d);
}
void Overlay::setTransform(const int orient,
utils::eDest dest) {
int index = (int)dest;
validate(index);
utils::eTransform transform =
static_cast<utils::eTransform>(orient);
mPipeBook[index].mPipe->setTransform(transform);
}
void Overlay::setSource(const utils::PipeArgs args,
utils::eDest dest) {
int index = (int)dest;
validate(index);
PipeArgs newArgs(args);
if(PipeBook::getPipeType(dest) == OV_MDP_PIPE_VG) {
setMdpFlags(newArgs.mdpFlags, OV_MDP_PIPE_SHARE);
} else {
clearMdpFlags(newArgs.mdpFlags, OV_MDP_PIPE_SHARE);
}
if(PipeBook::getPipeType(dest) == OV_MDP_PIPE_DMA) {
setMdpFlags(newArgs.mdpFlags, OV_MDP_PIPE_FORCE_DMA);
} else {
clearMdpFlags(newArgs.mdpFlags, OV_MDP_PIPE_FORCE_DMA);
}
mPipeBook[index].mPipe->setSource(newArgs);
}
void Overlay::setVisualParams(const MetaData_t& metadata, utils::eDest dest) {
int index = (int)dest;
validate(index);
mPipeBook[index].mPipe->setVisualParams(metadata);
}
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++;
}
}
if (mdpVersion < qdutils::MDSS_V5 && mdpVersion != qdutils::MDP_V3_0_4) {
msmfb_mixer_info_req req;
mdp_mixer_info *minfo = NULL;
char name[64];
int fd = -1;
for(int i = 0; i < MAX_FB_DEVICES; i++) {
snprintf(name, 64, FB_DEVICE_TEMPLATE, i);
ALOGD("initoverlay:: opening the device:: %s", name);
fd = ::open(name, O_RDWR, 0);
if(fd < 0) {
ALOGE("cannot open framebuffer(%d)", i);
return -1;
}
//Get the mixer configuration */
req.mixer_num = i;
if (ioctl(fd, MSMFB_MIXER_INFO, &req) == -1) {
ALOGE("ERROR: MSMFB_MIXER_INFO ioctl failed");
close(fd);
return -1;
}
minfo = req.info;
for (int j = 0; j < req.cnt; j++) {
ALOGD("ndx=%d num=%d z_order=%d", minfo->pndx, minfo->pnum,
minfo->z_order);
// except the RGB base layer with z_order of -1, clear any
// other pipes connected to mixer.
if((minfo->z_order) != -1) {
int index = minfo->pndx;
ALOGD("Unset overlay with index: %d at mixer %d", index, i);
if(ioctl(fd, MSMFB_OVERLAY_UNSET, &index) == -1) {
ALOGE("ERROR: MSMFB_OVERLAY_UNSET failed");
close(fd);
return -1;
}
}
minfo++;
}
close(fd);
fd = -1;
}
}
FILE *displayDeviceFP = NULL;
const int MAX_FRAME_BUFFER_NAME_SIZE = 128;
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 roi;
return displayCommit(fd, roi);
}
bool Overlay::displayCommit(const int& fd, const utils::Dim& roi) {
//Commit
struct mdp_display_commit info;
memset(&info, 0, sizeof(struct mdp_display_commit));
info.flags = MDP_DISPLAY_COMMIT_OVERLAY;
info.roi.x = roi.x;
info.roi.y = roi.y;
info.roi.w = roi.w;
info.roi.h = roi.h;
if(!mdp_wrapper::displayCommit(fd, info)) {
ALOGE("%s: commit failed", __func__);
return false;
}
return true;
}
void Overlay::dump() const {
#if PIPE_DEBUG
if(strlen(mDumpStr)) { //dump only on state change
ALOGD("%s\n", mDumpStr);
}
#endif
}
void Overlay::getDump(char *buf, size_t len) {
int totalPipes = 0;
const char *str = "\nOverlay State\n\n";
strncat(buf, str, strlen(str));
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);
strncat(buf, str, strlen(str));
totalPipes++;
}
}
char str_pipes[64] = {'\0'};
snprintf(str_pipes, 64, "Pipes=%d\n\n", totalPipes);
strncat(buf, str_pipes, strlen(str_pipes));
}
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(mPipeBook[i].valid()) {
mPipeBook[i].mPipe->forceSet();
}
}
}
}
void Overlay::initScalar() {
#ifdef USES_QSEED_SCALAR
if(sLibScaleHandle == NULL) {
sLibScaleHandle = dlopen("libscale.so", RTLD_NOW);
}
if(sLibScaleHandle) {
if(sScale == NULL) {
Scale* (*getInstance)();
*(void **) &getInstance = dlsym(sLibScaleHandle, "getInstance");
if(getInstance) {
sScale = getInstance();
}
}
}
#endif
}
void Overlay::destroyScalar() {
#ifdef USES_QSEED_SCALAR
if(sLibScaleHandle) {
if(sScale) {
void (*destroyInstance)(Scale*);
*(void **) &destroyInstance = dlsym(sLibScaleHandle,
"destroyInstance");
if(destroyInstance) {
destroyInstance(sScale);
sScale = NULL;
}
}
dlclose(sLibScaleHandle);
sLibScaleHandle = NULL;
}
#endif
}
void Overlay::PipeBook::init() {
mPipe = NULL;
mDisplay = DPY_UNUSED;
mMixer = MIXER_UNUSED;
}
void Overlay::PipeBook::destroy() {
if(mPipe) {
delete mPipe;
mPipe = NULL;
}
mDisplay = DPY_UNUSED;
mMixer = MIXER_UNUSED;
}
Overlay* Overlay::sInstance = 0;
int Overlay::sDpyFbMap[DPY_MAX] = {0, -1, -1};
int Overlay::sDMAMode = DMA_LINE_MODE;
bool Overlay::sDMAMultiplexingSupported = false;
int Overlay::sForceSetBitmap = 0;
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};
void *Overlay::sLibScaleHandle = NULL;
scale::Scale *Overlay::sScale = NULL;
}; // namespace overlay