/*
* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
*
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* 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
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "overlay.h"
#include "pipes/overlayGenPipe.h"
#include "mdp_version.h"
#include "qdMetaData.h"
#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';
}
Overlay::~Overlay() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
mPipeBook[i].destroy();
}
}
void Overlay::configBegin() {
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
//Mark as available for this round.
PipeBook::resetUse(i);
PipeBook::resetAllocation(i);
}
mDumpStr[0] = '\0';
}
void Overlay::configDone() {
if(PipeBook::pipeUsageUnchanged()) return;
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 pipe=%s dpy=%d; ",
PipeBook::getDestStr((eDest)i), mPipeBook[i].mDisplay);
strncat(mDumpStr, str, strlen(str));
}
mPipeBook[i].destroy();
}
}
dump();
PipeBook::save();
}
eDest Overlay::nextPipe(eMdpPipeType type, int dpy) {
eDest dest = OV_INVALID;
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
//Match requested pipe type
if(type == OV_MDP_PIPE_ANY || type == PipeBook::getPipeType((eDest)i)) {
//If the pipe is not allocated to any display or used by the
//requesting display already in previous round.
if((mPipeBook[i].mDisplay == PipeBook::DPY_UNUSED ||
mPipeBook[i].mDisplay == dpy) &&
PipeBook::isNotAllocated(i)) {
dest = (eDest)i;
PipeBook::setAllocation(i);
break;
}
}
}
if(dest != OV_INVALID) {
int index = (int)dest;
//If the pipe is not registered with any display OR if the pipe is
//requested again by the same display using it, then go ahead.
mPipeBook[index].mDisplay = dpy;
if(not mPipeBook[index].valid()) {
mPipeBook[index].mPipe = new GenericPipe(dpy);
char str[32];
snprintf(str, 32, "Set pipe=%s dpy=%d; ",
PipeBook::getDestStr(dest), dpy);
strncat(mDumpStr, str, strlen(str));
}
} else {
ALOGD_IF(PIPE_DEBUG, "Pipe unavailable type=%d display=%d",
(int)type, dpy);
}
return dest;
}
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);
} else {
PipeBook::resetUse((int)dest);
int dpy = mPipeBook[index].mDisplay;
for(int i = 0; i < PipeBook::NUM_PIPES; i++)
if (mPipeBook[i].mDisplay == dpy)
PipeBook::resetAllocation(i);
}
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) {
msmfb_mixer_info_req req;
mdp_mixer_info *minfo = NULL;
char name[64];
int fd = -1;
for(int i = 0; i < NUM_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);
// clear any pipe connected to mixer including base pipe.
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;
}
}
return 0;
}
void Overlay::dump() const {
if(strlen(mDumpStr)) { //dump only on state change
ALOGD_IF(PIPE_DEBUG, "%s\n", mDumpStr);
}
}
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, "Attached to dpy=%d\n\n", mPipeBook[i].mDisplay);
strncat(buf, str, strlen(str));
totalPipes++;
}
}
char str_pipes[64] = {'\0'};
snprintf(str_pipes, 64, "Pipes used=%d\n\n", totalPipes);
strncat(buf, str_pipes, strlen(str_pipes));
}
void Overlay::PipeBook::init() {
mPipe = NULL;
mDisplay = DPY_UNUSED;
}
void Overlay::PipeBook::destroy() {
if(mPipe) {
delete mPipe;
mPipe = NULL;
}
mDisplay = DPY_UNUSED;
}
Overlay* Overlay::sInstance = 0;
int Overlay::sExtFbIndex = 1;
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};
}; // namespace overlay