qcom/display: Update HALs

- Update the display HAL from Code Aurora Forum
- Add updated overlay library
- Enable HWC with basic video going through overlay
- Cleanup some files

Change-Id: I65c687c51be458cee71213c79e03eeda962d9086
diff --git a/liboverlay/overlayRotator.cpp b/liboverlay/overlayRotator.cpp
new file mode 100644
index 0000000..30c5ea5
--- /dev/null
+++ b/liboverlay/overlayRotator.cpp
@@ -0,0 +1,430 @@
+/*
+* Copyright (C) 2008 The Android Open Source Project
+* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "overlayRotator.h"
+#include "overlayUtils.h"
+#include "overlayMdp.h"
+
+namespace ovutils = overlay::utils;
+
+namespace overlay {
+
+namespace utils {
+inline mdp_overlay setInfoNullRot(const utils::PipeArgs& args,
+        const mdp_overlay& o)
+{
+    mdp_overlay ov = o;
+    utils::Whf whf(args.whf);
+    utils::Dim d(utils::getSrcRectDim(ov));
+
+    d.w = whf.w - (utils::alignup(whf.w, 64) - whf.w);
+    d.h = whf.h - (utils::alignup(whf.h, 32) - whf.h);
+    utils::setSrcRectDim(ov, d);
+    return ov;
+}
+
+inline mdp_overlay setInfoRot(const utils::PipeArgs& args,
+        const mdp_overlay& o)
+{
+    /* If there are no orientation, then we use setInfoRot
+     * That is even if we are a real rotator object (not null)
+     * Note, that if args.rotFlags are ENABLED
+     * it means we would still like to have rot
+     * even though it is ROT_0 */
+    if(OVERLAY_TRANSFORM_0 == args.orientation &&
+            utils::ROT_FLAG_ENABLED != args.rotFlags) {
+        return setInfoNullRot(args, o);
+    }
+
+    mdp_overlay ov = o;
+    utils::Whf whf(args.whf);
+    utils::Dim d(utils::getSrcRectDim(ov));
+    d.w = whf.w;
+    d.h = whf.h;
+    utils::Whf localwhf (utils::getSrcWhf(ov));
+    localwhf.w = utils::alignup(whf.w, 64);
+    localwhf.h = utils::alignup(whf.h, 32);
+    d.x = localwhf.w - whf.w;
+    d.y = localwhf.h - whf.h;
+    utils::setSrcRectDim(ov, d);
+    utils::setSrcWhf(ov, localwhf);
+    return ov;
+}
+
+} // utils
+
+bool MdpRot::open()
+{
+    if(!mFd.open(Res::rotPath, O_RDWR)){
+        ALOGE("MdpRot failed to open %s", Res::rotPath);
+        return false;
+    }
+    return true;
+}
+
+bool MdpRot::open_i(uint32_t numbufs, uint32_t bufsz)
+{
+    OvMem mem;
+
+    OVASSERT(MAP_FAILED == mem.addr(), "MAP failed in open_i");
+
+    if(!mem.open(numbufs, bufsz)){
+        ALOGE("%s: Failed to open", __func__);
+        mem.close();
+        return false;
+    }
+
+    OVASSERT(MAP_FAILED != mem.addr(), "MAP failed");
+    OVASSERT(mem.getFD() != -1, "getFd is -1");
+
+    mData.data.memory_id = mem.getFD();
+    mRotDataInfo.dst.memory_id = mem.getFD();
+    mRotDataInfo.dst.offset = 0;
+    mMem.curr().m = mem;
+    return true;
+}
+
+bool MdpRot::RotMem::close() {
+    bool ret = true;
+    for(uint32_t i=0; i < RotMem::MAX_ROT_MEM; ++i) {
+        // skip current, and if valid, close
+        if(m[i].valid() && (m[i].close() != 0)) {
+            ALOGE("%s error in closing prev rot mem %d", __FUNCTION__, i);
+            ret = false;
+        }
+    }
+    return ret;
+}
+
+bool MdpRot::close() {
+    bool success = true;
+    if(mFd.valid() && (getSessId() > 0)) {
+        if(!mdp_wrapper::endRotator(mFd.getFD(), getSessId())) {
+            ALOGE("Mdp Rot error endRotator, fd=%d sessId=%d",
+                    mFd.getFD(), getSessId());
+            success = false;
+        }
+    }
+    if (!mFd.close()) {
+        ALOGE("Mdp Rot error closing fd");
+        success = false;
+    }
+    if (!mMem.close()) {
+        ALOGE("Mdp Rot error closing mem");
+        success = false;
+    }
+    reset();
+    return success;
+}
+
+bool MdpRot::unmapNonCurrent() {
+    bool ret = true;
+    for(uint32_t i=0; i < RotMem::MAX_ROT_MEM; ++i) {
+        // skip current, and if valid, close
+        if(i != mMem._curr % RotMem::MAX_ROT_MEM &&
+                mMem.m[i].valid() &&
+                !mMem.m[i].close()) {
+            ALOGE("%s error in closing prev rot mem %d", __FUNCTION__, i);
+            ret = false;
+        }
+    }
+    return ret;
+}
+
+bool MdpRot::remap(uint32_t numbufs,
+        const utils::PipeArgs& args) {
+    // if current size changed, remap
+    if(args.whf.size == mMem.curr().size()) {
+        ALOGE_IF(DEBUG_OVERLAY, "%s: same size %d", __FUNCTION__, args.whf.size);
+        return true;
+    }
+
+    // remap only if we have orientation.
+    // If rotFlags are ENABLED, it means we need rotation bufs
+    // even when orientation is 0
+    if(utils::OVERLAY_TRANSFORM_0 == args.orientation &&
+            utils::ROT_FLAG_ENABLED != args.rotFlags) {
+        ALOGE_IF(DEBUG_OVERLAY, "%s: orientation=%d, rotFlags=%d",
+                __FUNCTION__, args.orientation, args.rotFlags);
+        return true;
+    }
+
+    ALOGE_IF(DEBUG_OVERLAY, "%s: size changed - remapping", __FUNCTION__);
+    OVASSERT(!mMem.prev().valid(), "Prev should not be valid");
+
+    // remap and have the current to be the new one.
+    // ++mMem will make curr to be prev, and prev will be curr
+    ++mMem;
+    if(!open_i(numbufs, args.whf.size)) {
+        ALOGE("%s Error could not open", __FUNCTION__);
+        return false;
+    }
+    OVASSERT(numbufs <= ROT_MAX_BUF_OFFSET,
+            "Numbufs %d > ROT_MAX_BUF_OFFSET", numbufs);
+    for (uint32_t i = 0; i < numbufs; ++i) {
+        mMem.curr().mRotOffset[i] = i * args.whf.size;
+    }
+    return true;
+}
+
+bool MdpRot::start() {
+    if(!overlay::mdp_wrapper::startRotator(mFd.getFD(), mRotImgInfo)) {
+        ALOGE("MdpRot start failed");
+        this->dump();
+        return false;
+    }
+    mRotDataInfo.session_id = mRotImgInfo.session_id;
+    return true;
+}
+
+void MdpRot::reset() {
+    ovutils::memset0(mRotImgInfo);
+    ovutils::memset0(mRotDataInfo);
+    ovutils::memset0(mData);
+    ovutils::memset0(mMem.curr().mRotOffset);
+    ovutils::memset0(mMem.prev().mRotOffset);
+    mMem.curr().mCurrOffset = 0;
+    mMem.prev().mCurrOffset = 0;
+    isSrcFB = false;
+}
+
+bool MdpRot::prepareQueueBuf(uint32_t offset) {
+    // FIXME if it fails, what happens to the above current item?
+    if(enabled()) {
+        OVASSERT(mMem.curr().m.numBufs(),
+                "prepareQueueBuf numbufs is 0");
+
+        // If the rotator source is FB
+        if(isSrcFB) {
+            mRotDataInfo.src.flags |= MDP_MEMORY_ID_TYPE_FB;
+        }
+
+        mRotDataInfo.src.offset = offset;
+        mRotDataInfo.dst.offset =
+                mMem.curr().mRotOffset[mMem.curr().mCurrOffset];
+        mMem.curr().mCurrOffset =
+                (mMem.curr().mCurrOffset + 1) % mMem.curr().m.numBufs();
+        if(!overlay::mdp_wrapper::rotate(mFd.getFD(), mRotDataInfo)) {
+            ALOGE("MdpRot failed rotate");
+            return false;
+        }
+        mData.data.offset =  mRotDataInfo.dst.offset;
+    }
+    return true;
+}
+
+
+bool MdpRot::play(int fd) {
+    if(!overlay::mdp_wrapper::play(fd, mData)) {
+        ALOGE("MdpRot failed to play with fd=%d", fd);
+        return false;
+    }
+
+    // if the prev mem is valid, we need to close
+    if(mMem.prev().valid()) {
+        // FIXME FIXME FIXME if no wait for vsync the above
+        // play will return immediatly and might cause
+        // tearing when prev.close is called.
+        if(!mMem.prev().close()) {
+            ALOGE("%s error in closing prev rot mem", __FUNCTION__);
+        }
+    }
+    return true;
+}
+
+///// Null Rot ////
+
+mdp_overlay NullRotator::setInfo(
+        const utils::PipeArgs& args,
+        const mdp_overlay& o) {
+    return utils::setInfoNullRot(args, o);
+}
+
+///// Rotator ////
+
+mdp_overlay Rotator::setInfo(
+        const utils::PipeArgs& args,
+        const mdp_overlay& o)
+{
+    return utils::setInfoRot(args, o);
+}
+
+bool Rotator::overlayTransform(MdpCtrl& mdp,
+        utils::eTransform& rot)
+{
+    ALOGE_IF(DEBUG_OVERLAY, "%s: rot=%d", __FUNCTION__, rot);
+    switch(int(rot)) {
+        case 0:
+        case HAL_TRANSFORM_FLIP_H:
+        case HAL_TRANSFORM_FLIP_V:
+            overlayTransFlipHV(mdp, rot);
+            break;
+        case HAL_TRANSFORM_ROT_90:
+        case (HAL_TRANSFORM_ROT_90|HAL_TRANSFORM_FLIP_H):
+        case (HAL_TRANSFORM_ROT_90|HAL_TRANSFORM_FLIP_V):
+            overlayTransFlipRot90(mdp, rot);
+            break;
+        case HAL_TRANSFORM_ROT_180:
+            overlayTransFlipRot180(mdp);
+            break;
+        case HAL_TRANSFORM_ROT_270:
+            overlayTransFlipRot270(mdp);
+            break;
+        default:
+            ALOGE("%s: Error due to unknown rot value %d", __FUNCTION__, rot);
+            return false;
+    }
+
+    /* everything below is rotation related */
+    int r = utils::getMdpOrient(rot);
+    ALOGE_IF(DEBUG_OVERLAY, "%s: r=%d", __FUNCTION__, r);
+    if (r == -1) {
+        ALOGE("Ctrl setParameter rot it -1");
+        return false;
+    }
+
+    // Need to have both in sync
+    mdp.setUserData(r);
+    this->setRotations(r);
+    this->setDisable();
+    if(r) {
+        this->setEnable();
+    }
+
+    /* set src format using rotation info
+     * e.g. (12-->5 in case of rotation) */
+    mdp.setSrcFormat(this->getSrcWhf());
+
+    // based on 90/270 set flags
+    mdp.setRotationFlags();
+    return true;
+}
+
+void Rotator::overlayTransFlipHV(MdpCtrl& mdp,
+        utils::eTransform& rot)
+{
+    int val = mdp.getUserData();
+    ALOGE_IF(DEBUG_OVERLAY, "%s: prev=%d", __FUNCTION__, val);
+    utils::Dim d   = mdp.getSrcRectDim();
+    utils::Whf whf = mdp.getSrcWhf();
+    if (val == MDP_ROT_90) {
+        int tmp = d.y;
+        d.y = compute(whf.w,
+                d.x,
+                d.w);
+        d.x = tmp;
+        mdp.setSrcRectDim(d);
+        utils::swapOVRotWidthHeight(mRot, mdp);
+    }
+    else if (val == MDP_ROT_270) {
+        int tmp = d.x;
+        d.x = compute(whf.h,
+                d.y,
+                d.h);
+        d.y = tmp;
+        mdp.setSrcRectDim(d);
+        utils::swapOVRotWidthHeight(mRot, mdp);
+    }
+}
+
+void Rotator::overlayTransFlipRot90(MdpCtrl& mdp,
+        utils::eTransform& rot)
+{
+    int val = mdp.getUserData();
+    ALOGE_IF(DEBUG_OVERLAY, "%s: prev=%d", __FUNCTION__, val);
+    utils::Dim d   = mdp.getSrcRectDim();
+    utils::Whf whf = mdp.getSrcWhf();
+    if (val == MDP_ROT_270) {
+        d.x = compute(whf.w,
+                d.x,
+                d.w);
+        d.y = compute(whf.h,
+                d.y,
+                d.h);
+    }
+    else if (val == MDP_ROT_NOP || val == MDP_ROT_180) {
+        int tmp = d.x;
+        d.x = compute(whf.h,
+                d.y,
+                d.h);
+        d.y = tmp;
+        mdp.setSrcRectDim(d);
+        utils::swapOVRotWidthHeight(mRot, mdp);
+    }
+}
+
+void Rotator::overlayTransFlipRot180(MdpCtrl& mdp)
+{
+    int val = mdp.getUserData();
+    ALOGE_IF(DEBUG_OVERLAY, "%s: prev=%d", __FUNCTION__, val);
+    utils::Dim d   = mdp.getSrcRectDim();
+    utils::Whf whf = mdp.getSrcWhf();
+    if (val == MDP_ROT_270) {
+        int tmp = d.y;
+        d.y = compute(whf.w,
+                d.x,
+                d.w);
+        d.x = tmp;
+        mdp.setSrcRectDim(d);
+        utils::swapOVRotWidthHeight(mRot, mdp);
+    }
+    else if (val == MDP_ROT_90) {
+        int tmp = d.x;
+        d.x = compute(whf.h,
+                d.y,
+                d.h);
+        d.y = tmp;
+        mdp.setSrcRectDim(d);
+        utils::swapOVRotWidthHeight(mRot, mdp);
+    }
+}
+
+void Rotator::overlayTransFlipRot270(MdpCtrl& mdp)
+{
+    int val = mdp.getUserData();
+    ALOGE_IF(DEBUG_OVERLAY, "%s: prev=%d", __FUNCTION__, val);
+    utils::Dim d   = mdp.getSrcRectDim();
+    utils::Whf whf = mdp.getSrcWhf();
+    if (val == MDP_ROT_90) {
+        d.y = compute(whf.h,
+                d.y,
+                d.h);
+        d.x = compute(whf.w,
+                d.x,
+                d.w);
+    }
+    else if (val == MDP_ROT_NOP || val == MDP_ROT_180) {
+        int tmp = d.y;
+        d.y = compute(whf.w,
+                d.x,
+                d.w);
+        d.x = tmp;
+        mdp.setSrcRectDim(d);
+        utils::swapOVRotWidthHeight(mRot, mdp);
+    }
+}
+
+void MdpRot::dump() const {
+    ALOGE("== Dump MdpRot start ==");
+    mFd.dump();
+    mMem.curr().m.dump();
+    mdp_wrapper::dump("mRotImgInfo", mRotImgInfo);
+    mdp_wrapper::dump("mRotDataInfo", mRotDataInfo);
+    mdp_wrapper::dump("mData", mData);
+    ALOGE("== Dump MdpRot end ==");
+}
+}