| /* |
| * 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); |
| } |
| mDumpStr[0] = '\0'; |
| } |
| |
| 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 |
| 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(); |
| } |
| |
| 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, 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); |
| mPipeBook[index].mSession = PipeBook::NONE; |
| 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; |
| } |
| |
| 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::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 { |
| 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); |
| } |
| } |
| } |
| 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::setColor(const uint32_t color, |
| utils::eDest dest) { |
| int index = (int)dest; |
| validate(index); |
| mPipeBook[index].mPipe->setColor(color); |
| } |
| |
| 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); |
| } |
| } |
| } |
| |
| bool Overlay::validateAndSet(const int& dpy, const int& fbFd) { |
| GenericPipe* pipeArray[PipeBook::NUM_PIPES]; |
| memset(&pipeArray, 0, sizeof(pipeArray)); |
| |
| 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() { |
| #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; |
| mSession = NONE; |
| } |
| |
| Overlay* Overlay::sInstance = 0; |
| int Overlay::sDpyFbMap[DPY_MAX] = {0, -1, -1}; |
| int Overlay::sDMAMode = DMA_LINE_MODE; |
| bool Overlay::sDMAMultiplexingSupported = 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}; |
| void *Overlay::sLibScaleHandle = NULL; |
| scale::Scale *Overlay::sScale = NULL; |
| |
| }; // namespace overlay |