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/overlayMdp.cpp b/liboverlay/overlayMdp.cpp
new file mode 100644
index 0000000..09499c0
--- /dev/null
+++ b/liboverlay/overlayMdp.cpp
@@ -0,0 +1,289 @@
+/*
+* 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 "overlayUtils.h"
+#include "overlayMdp.h"
+
+#undef ALOG_TAG
+#define ALOG_TAG "overlay"
+
+namespace ovutils = overlay::utils;
+namespace overlay {
+bool MdpCtrl::open(uint32_t fbnum) {
+    // FD open
+    if(!utils::openDev(mFd, fbnum,
+                Res::devTemplate, O_RDWR)){
+        ALOGE("Ctrl failed to open fbnum=%d", fbnum);
+        return false;
+    }
+    return true;
+}
+
+void MdpCtrl::reset() {
+    utils::memset0(mOVInfo);
+    utils::memset0(mLkgo);
+    mOVInfo.id = -1;
+    mLkgo.id = -1;
+}
+
+bool MdpCtrl::close() {
+    if(-1 == static_cast<int>(mOVInfo.id)) return true;
+    if(!mdp_wrapper::unsetOverlay(mFd.getFD(), mOVInfo.id)) {
+        ALOGE("MdpCtrl close error in unset");
+        return false;
+    }
+    reset();
+    if(!mFd.close()) {
+        return false;
+    }
+    return true;
+}
+
+bool MdpCtrl::getScreenInfo(overlay::utils::ScreenInfo& info) {
+    fb_fix_screeninfo finfo;
+    if (!mdp_wrapper::getFScreenInfo(mFd.getFD(), finfo)) {
+        return false;
+    }
+
+    fb_var_screeninfo vinfo;
+    if (!mdp_wrapper::getVScreenInfo(mFd.getFD(), vinfo)) {
+        return false;
+    }
+    info.mFBWidth   = vinfo.xres;
+    info.mFBHeight  = vinfo.yres;
+    info.mFBbpp     = vinfo.bits_per_pixel;
+    info.mFBystride = finfo.line_length;
+    return true;
+}
+
+bool MdpCtrl::get() {
+    mdp_overlay ov;
+    ov.id = mOVInfo.id;
+    if (!mdp_wrapper::getOverlay(mFd.getFD(), ov)) {
+        ALOGE("MdpCtrl get failed");
+        return false;
+    }
+    mOVInfo = ov;
+    return true;
+}
+
+// that is the second part of original setParameter function
+void MdpCtrl::setSrcFormat(const utils::Whf& whf) {
+
+    //By default mdp src format is the same as buffer's
+    mOVInfo.src.format = whf.format;
+
+    //If rotation is used and input formats are tiled then output of rotator is
+    //non-tiled.
+    // FIXME mRotInfo.enable = 1; for enable
+    if (getUserData()) { // if rotations enabled in MdpCtrl
+        if (whf.format == MDP_Y_CRCB_H2V2_TILE)
+            mOVInfo.src.format = MDP_Y_CRCB_H2V2;
+        else if (whf.format == MDP_Y_CBCR_H2V2_TILE)
+            mOVInfo.src.format = MDP_Y_CBCR_H2V2;
+        return;
+    }
+
+}
+
+bool MdpCtrl::set() {
+    if(!this->ovChanged()) {
+        return true; // nothing todo here.
+    }
+
+    if(!mdp_wrapper::setOverlay(mFd.getFD(), mOVInfo)) {
+        ALOGE("MdpCtrl failed to setOverlay, restoring last known "
+                "good ov info");
+        mdp_wrapper::dump("== Bad OVInfo is: ", mOVInfo);
+        mdp_wrapper::dump("== Last good known OVInfo is: ", mLkgo);
+        this->restore();
+        // FIXME, do we need to set the old one?
+        return false;
+    }
+    this->save();
+    return true;
+}
+
+bool MdpCtrl::setPosition(const overlay::utils::Dim& d,
+        int fbw, int fbh)
+{
+    // Validatee against FB size
+    if(!d.check(fbw, fbh)) {
+        ALOGE("MdpCtrl setPosition failed dest dim violate screen limits");
+        return false;
+    }
+
+    ovutils::Dim dim(d);
+    ovutils::Dim ovsrcdim = getSrcRectDim();
+    // Scaling of upto a max of 8 times supported
+    if(dim.w >(ovsrcdim.w * ovutils::HW_OV_MAGNIFICATION_LIMIT)){
+        dim.w = ovutils::HW_OV_MAGNIFICATION_LIMIT * ovsrcdim.w;
+        dim.x = (fbw - dim.w) / 2;
+    }
+    if(dim.h >(ovsrcdim.h * ovutils::HW_OV_MAGNIFICATION_LIMIT)) {
+        dim.h = ovutils::HW_OV_MAGNIFICATION_LIMIT * ovsrcdim.h;
+        dim.y = (fbh - dim.h) / 2;
+    }
+
+    //dim.even_out();
+    setDstRectDim(dim);
+    return true;
+}
+
+void MdpCtrl::updateSource(RotatorBase* r,
+        const utils::PipeArgs& args,
+        const utils::ScreenInfo& info) {
+    utils::Whf whf(args.whf);
+    mOVInfo.src.width  = whf.w;
+    mOVInfo.src.height = whf.h;
+    mOVInfo.src_rect.x = 0;
+    mOVInfo.src_rect.y = 0;
+    mOVInfo.dst_rect.x = 0;
+    mOVInfo.dst_rect.y = 0;
+    mOVInfo.dst_rect.w = whf.w;
+    mOVInfo.dst_rect.h = whf.h;
+    mOVInfo.src.format = whf.format;
+
+    if(whf.format == MDP_Y_CRCB_H2V2_TILE ||
+        (whf.format == MDP_Y_CBCR_H2V2_TILE)) {
+        // passing by value, setInfo fills it and return by val
+        mOVInfo = r->setInfo(args, mOVInfo);
+    } else {
+        mOVInfo.src_rect.w = whf.w;
+        mOVInfo.src_rect.h = whf.h;
+    }
+
+    if (whf.w > info.mFBWidth)
+        mOVInfo.dst_rect.w = info.mFBWidth;
+    if (whf.h > info.mFBHeight)
+        mOVInfo.dst_rect.h = info.mFBHeight;
+    mSize = whf.size;
+}
+
+
+bool MdpCtrl::setInfo(RotatorBase* r,
+        const utils::PipeArgs& args,
+        const utils::ScreenInfo& info)
+{
+    // new request
+    utils::Whf whf(args.whf);
+    mOVInfo.id = MSMFB_NEW_REQUEST;
+
+    updateSource(r, args, info);
+
+    setUserData(0);
+    mOVInfo.alpha = 0xff;
+    mOVInfo.transp_mask = 0xffffffff;
+    setZ(args.zorder);
+    setFlags(args.mdpFlags);
+    setWait(args.wait);
+    setIsFg(args.isFg);
+    mSize = whf.size;
+    return true;
+}
+
+bool MdpCtrl::setCrop(const utils::Dim& cdim) {
+    utils::Dim d(cdim);
+    const utils::Whf ovwhf = getSrcWhf();
+    int udata = getUserData();
+    switch(udata) {
+        case MDP_ROT_NOP:
+            break; // nothing to do here
+        case MDP_ROT_90:
+        case MDP_ROT_90 | MDP_FLIP_UD:
+        case MDP_ROT_90 | MDP_FLIP_LR:
+            {
+                if (ovwhf.w < (d.y + d.h)) {
+                    ALOGE("MdpCtrl setCrop failed ROT 90 udata=%d",
+                            udata);
+                    d.dump();
+                    this->dump();
+                    return false;
+                }
+                uint32_t tmp = d.x;
+                d.x = ovwhf.w - (d.y + d.h);
+                d.y = tmp;
+                utils::swap(d.w, d.h);
+            }break;
+        case MDP_ROT_270:
+            {
+                if (ovwhf.h < (d.x + d.w)) {
+                    ALOGE("MdpCtrl setCrop failed ROT 270 udata=%d",
+                            udata);
+                    d.dump();
+                    this->dump();
+                    return false;
+                }
+                uint32_t tmp = d.y;
+                d.y = ovwhf.h - (d.x + d.w);
+                d.x = tmp;
+                utils::swap(d.w, d.h);
+            }break;
+        case MDP_ROT_180:
+            {
+                if ((ovwhf.h < (d.y + d.h)) ||
+                        (ovwhf.w < ( d.x + d.w))) {
+                    ALOGE("MdpCtrl setCrop failed ROT 180 udata=%d",
+                            udata);
+                    d.dump();
+                    this->dump();
+                    return false;
+                }
+                d.x = ovwhf.w - (d.x + d.w);
+                d.y = ovwhf.h - (d.y + d.h);
+            }break;
+        default:
+            if(!(udata & (MDP_FLIP_UD | MDP_FLIP_LR))) {
+                ALOGE("MdpCtrl setCrop unknown rot %d", udata);
+                return false;
+            }
+    }
+
+    if(getSrcRectDim() == d) {
+        return true; // Nothing to do here
+    }
+
+    utils::normalizeCrop(d.x, d.w);
+    utils::normalizeCrop(d.y, d.h);
+
+    setSrcRectDim(d);
+
+    return true;
+}
+
+void MdpCtrl::dump() const {
+    ALOGE("== Dump MdpCtrl start ==");
+    ALOGE("size=%d", mSize);
+    mFd.dump();
+    mdp_wrapper::dump("mOVInfo", mOVInfo);
+    ALOGE("== Dump MdpCtrl end ==");
+}
+
+void MdpData::dump() const {
+    ALOGE("== Dump MdpData start ==");
+    mFd.dump();
+    mdp_wrapper::dump("mOvData", mOvData);
+    ALOGE("== Dump MdpData end ==");
+}
+
+void MdpCtrl3D::dump() const {
+    ALOGE("== Dump MdpCtrl start ==");
+    mFd.dump();
+    ALOGE("== Dump MdpCtrl end ==");
+}
+
+} // overlay