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      1 /*
      2 * Copyright (C) 2008 The Android Open Source Project
      3 * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
      4 *
      5 * Licensed under the Apache License, Version 2.0 (the "License");
      6 * you may not use this file except in compliance with the License.
      7 * You may obtain a copy of the License at
      8 *
      9 *      http://www.apache.org/licenses/LICENSE-2.0
     10 *
     11 * Unless required by applicable law or agreed to in writing, software
     12 * distributed under the License is distributed on an "AS IS" BASIS,
     13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 * See the License for the specific language governing permissions and
     15 * limitations under the License.
     16 */
     17 
     18 #ifndef OVERLAY_MDP_H
     19 #define OVERLAY_MDP_H
     20 
     21 #include <linux/msm_mdp.h>
     22 
     23 #include "overlayUtils.h"
     24 #include "mdpWrapper.h"
     25 #include "qdMetaData.h"
     26 #ifdef USES_POST_PROCESSING
     27 #include "lib-postproc.h"
     28 #endif
     29 
     30 namespace overlay{
     31 
     32 /*
     33 * Mdp Ctrl holds corresponding fd and MDP related struct.
     34 * It is simple wrapper to MDP services
     35 * */
     36 class MdpCtrl {
     37 public:
     38     /* ctor reset */
     39     explicit MdpCtrl(const int& dpy);
     40     /* dtor close */
     41     ~MdpCtrl();
     42     /* init underlying device using fbnum for dpy */
     43     bool init(const int& dpy);
     44     /* unset overlay, reset and close fd */
     45     bool close();
     46     /* reset and set ov id to -1 / MSMFB_NEW_REQUEST */
     47     void reset();
     48     /* calls overlay set
     49      * Set would always consult last good known ov instance.
     50      * Only if it is different, set would actually exectue ioctl.
     51      * On a sucess ioctl. last good known ov instance is updated */
     52     bool set();
     53     /* Sets the source total width, height, format */
     54     void setSource(const utils::PipeArgs& pargs);
     55     /*
     56      * Sets ROI, the unpadded region, for source buffer.
     57      * Dim - ROI dimensions.
     58      */
     59     void setCrop(const utils::Dim& d);
     60     /* set color for mdp pipe */
     61     void setColor(const uint32_t color);
     62     void setTransform(const utils::eTransform& orient);
     63     /* given a dim and w/h, set overlay dim */
     64     void setPosition(const utils::Dim& dim);
     65     /* using user_data, sets/unsets roationvalue in mdp flags */
     66     void setRotationFlags();
     67     /* Performs downscale calculations */
     68     void setDownscale(int dscale_factor);
     69     /* Update the src format with rotator's dest*/
     70     void updateSrcFormat(const uint32_t& rotDstFormat);
     71     /* dump state of the object */
     72     void dump() const;
     73     /* Return the dump in the specified buffer */
     74     void getDump(char *buf, size_t len);
     75     /* returns session id */
     76     int getPipeId() const;
     77     /* returns the fd associated to ctrl*/
     78     int getFd() const;
     79     /* returns a copy ro dst rect dim */
     80     utils::Dim getDstRectDim() const;
     81     /* returns a copy to src rect dim */
     82     utils::Dim getSrcRectDim() const;
     83     /* setVisualParam */
     84     bool setVisualParams(const MetaData_t& data);
     85 
     86     static bool validateAndSet(MdpCtrl* mdpCtrlArray[], const int& count,
     87             const int& fbFd);
     88 private:
     89     /* Perform transformation calculations */
     90     void doTransform();
     91     void doDownscale();
     92     /* get orient / user_data[0] */
     93     int getOrient() const;
     94     /* returns flags from mdp structure */
     95     int getFlags() const;
     96     /* set flags to mdp structure */
     97     void setFlags(int f);
     98     /* set z order */
     99     void setZ(utils::eZorder z);
    100     /* set isFg flag */
    101     void setIsFg(utils::eIsFg isFg);
    102     /* return a copy of src whf*/
    103     utils::Whf getSrcWhf() const;
    104     /* set plane alpha */
    105     void setPlaneAlpha(int planeAlpha);
    106     /* set blending method */
    107     void setBlending(overlay::utils::eBlending blending);
    108 
    109     /* set src whf */
    110     void setSrcWhf(const utils::Whf& whf);
    111     /* set src/dst rect dim */
    112     void setSrcRectDim(const utils::Dim d);
    113     void setDstRectDim(const utils::Dim d);
    114     /* returns user_data[0]*/
    115     int getUserData() const;
    116     /* sets user_data[0] */
    117     void setUserData(int v);
    118 
    119     utils::eTransform mOrientation; //Holds requested orientation
    120     /* Actual overlay mdp structure */
    121     mdp_overlay   mOVInfo;
    122     /* FD for the mdp fbnum */
    123     OvFD          mFd;
    124     int mDownscale;
    125     int mDpy;
    126 
    127 #ifdef USES_POST_PROCESSING
    128     /* PP Compute Params */
    129     struct compute_params mParams;
    130 #endif
    131 };
    132 
    133 
    134 /* MDP 3D related ctrl */
    135 class MdpCtrl3D {
    136 public:
    137     /* ctor reset data */
    138     MdpCtrl3D();
    139     /* calls MSMFB_OVERLAY_3D */
    140     bool close();
    141     /* set w/h. format is ignored*/
    142     void setWh(const utils::Whf& whf);
    143     /* set is_3d calls MSMFB_OVERLAY_3D */
    144     bool useVirtualFB();
    145     /* set fd to be used in ioctl */
    146     void setFd(int fd);
    147     /* dump */
    148     void dump() const;
    149 private:
    150     /* reset */
    151     void reset();
    152     /* actual MSM 3D info */
    153     msmfb_overlay_3d m3DOVInfo;
    154     /* FD for the mdp 3D */
    155     OvFD mFd;
    156 };
    157 
    158 /* MDP data */
    159 class MdpData {
    160 public:
    161     /* ctor reset data */
    162     explicit MdpData(const int& dpy);
    163     /* dtor close*/
    164     ~MdpData();
    165     /* init FD */
    166     bool init(const int& dpy);
    167     /* memset0 the underlying mdp object */
    168     void reset();
    169     /* close fd, and reset */
    170     bool close();
    171     /* set id of mdp data */
    172     void setPipeId(int id);
    173     /* return ses id of data */
    174     int getPipeId() const;
    175     /* get underlying fd*/
    176     int getFd() const;
    177     /* get memory_id */
    178     int getSrcMemoryId() const;
    179     /* calls wrapper play */
    180     bool play(int fd, uint32_t offset);
    181     /* dump state of the object */
    182     void dump() const;
    183     /* Return the dump in the specified buffer */
    184     void getDump(char *buf, size_t len);
    185 
    186 private:
    187 
    188     /* actual overlay mdp data */
    189     msmfb_overlay_data mOvData;
    190     /* fd to mdp fbnum */
    191     OvFD mFd;
    192 };
    193 
    194 //--------------Inlines---------------------------------
    195 
    196 /////   MdpCtrl  //////
    197 
    198 inline MdpCtrl::MdpCtrl(const int& dpy) {
    199     reset();
    200     init(dpy);
    201 }
    202 
    203 inline MdpCtrl::~MdpCtrl() {
    204     close();
    205 }
    206 
    207 inline int MdpCtrl::getOrient() const {
    208     return getUserData();
    209 }
    210 
    211 inline int MdpCtrl::getPipeId() const {
    212     return mOVInfo.id;
    213 }
    214 
    215 inline int MdpCtrl::getFd() const {
    216     return mFd.getFD();
    217 }
    218 
    219 inline int MdpCtrl::getFlags() const {
    220     return mOVInfo.flags;
    221 }
    222 
    223 inline void MdpCtrl::setFlags(int f) {
    224     mOVInfo.flags = f;
    225 }
    226 
    227 inline void MdpCtrl::setZ(overlay::utils::eZorder z) {
    228     mOVInfo.z_order = z;
    229 }
    230 
    231 inline void MdpCtrl::setIsFg(overlay::utils::eIsFg isFg) {
    232     mOVInfo.is_fg = isFg;
    233 }
    234 
    235 inline void MdpCtrl::setDownscale(int dscale) {
    236     mDownscale = dscale;
    237 }
    238 
    239 inline void MdpCtrl::setPlaneAlpha(int planeAlpha) {
    240     mOVInfo.alpha = planeAlpha;
    241 }
    242 
    243 inline void MdpCtrl::setBlending(overlay::utils::eBlending blending) {
    244     switch((int) blending) {
    245     case utils::OVERLAY_BLENDING_OPAQUE:
    246         mOVInfo.blend_op = BLEND_OP_OPAQUE;
    247         break;
    248     case utils::OVERLAY_BLENDING_PREMULT:
    249         mOVInfo.blend_op = BLEND_OP_PREMULTIPLIED;
    250         break;
    251     case utils::OVERLAY_BLENDING_COVERAGE:
    252     default:
    253         mOVInfo.blend_op = BLEND_OP_COVERAGE;
    254     }
    255 }
    256 
    257 inline overlay::utils::Whf MdpCtrl::getSrcWhf() const {
    258     return utils::Whf(  mOVInfo.src.width,
    259                         mOVInfo.src.height,
    260                         mOVInfo.src.format);
    261 }
    262 
    263 inline void MdpCtrl::setSrcWhf(const overlay::utils::Whf& whf) {
    264     mOVInfo.src.width  = whf.w;
    265     mOVInfo.src.height = whf.h;
    266     mOVInfo.src.format = whf.format;
    267 }
    268 
    269 inline overlay::utils::Dim MdpCtrl::getSrcRectDim() const {
    270     return utils::Dim(  mOVInfo.src_rect.x,
    271                         mOVInfo.src_rect.y,
    272                         mOVInfo.src_rect.w,
    273                         mOVInfo.src_rect.h);
    274 }
    275 
    276 inline void MdpCtrl::setSrcRectDim(const overlay::utils::Dim d) {
    277     mOVInfo.src_rect.x = d.x;
    278     mOVInfo.src_rect.y = d.y;
    279     mOVInfo.src_rect.w = d.w;
    280     mOVInfo.src_rect.h = d.h;
    281 }
    282 
    283 inline overlay::utils::Dim MdpCtrl::getDstRectDim() const {
    284     return utils::Dim(  mOVInfo.dst_rect.x,
    285                         mOVInfo.dst_rect.y,
    286                         mOVInfo.dst_rect.w,
    287                         mOVInfo.dst_rect.h);
    288 }
    289 
    290 inline void MdpCtrl::setDstRectDim(const overlay::utils::Dim d) {
    291     mOVInfo.dst_rect.x = d.x;
    292     mOVInfo.dst_rect.y = d.y;
    293     mOVInfo.dst_rect.w = d.w;
    294     mOVInfo.dst_rect.h = d.h;
    295 }
    296 
    297 inline int MdpCtrl::getUserData() const { return mOVInfo.user_data[0]; }
    298 
    299 inline void MdpCtrl::setUserData(int v) { mOVInfo.user_data[0] = v; }
    300 
    301 inline void MdpCtrl::setRotationFlags() {
    302     const int u = getUserData();
    303     if (u & MDP_ROT_90)
    304         mOVInfo.flags |= MDP_SOURCE_ROTATED_90;
    305 }
    306 
    307 ///////    MdpCtrl3D //////
    308 
    309 inline MdpCtrl3D::MdpCtrl3D() { reset(); }
    310 inline bool MdpCtrl3D::close() {
    311     if (m3DOVInfo.is_3d) {
    312         m3DOVInfo.is_3d = 0;
    313         if(!mdp_wrapper::set3D(mFd.getFD(), m3DOVInfo)) {
    314             ALOGE("MdpCtrl3D close failed set3D with 0");
    315             return false;
    316         }
    317     }
    318     reset();
    319     return true;
    320 }
    321 inline void MdpCtrl3D::reset() {
    322     utils::memset0(m3DOVInfo);
    323 }
    324 
    325 inline void MdpCtrl3D::setFd(int fd) {
    326     mFd.copy(fd);
    327     OVASSERT(mFd.valid(), "MdpCtrl3D setFd, FD should be valid");
    328 }
    329 
    330 inline void MdpCtrl3D::setWh(const utils::Whf& whf) {
    331     // ignore fmt. Needed for useVirtualFB callflow
    332     m3DOVInfo.width = whf.w;
    333     m3DOVInfo.height = whf.h;
    334 }
    335 
    336 inline bool MdpCtrl3D::useVirtualFB() {
    337     if(!m3DOVInfo.is_3d) {
    338         m3DOVInfo.is_3d = 1;
    339         if(!mdp_wrapper::set3D(mFd.getFD(), m3DOVInfo)) {
    340             ALOGE("MdpCtrl3D close failed set3D with 0");
    341             return false;
    342         }
    343     }
    344     return true;
    345 }
    346 
    347 ///////    MdpData   //////
    348 
    349 inline MdpData::MdpData(const int& dpy) {
    350     reset();
    351     init(dpy);
    352 }
    353 
    354 inline MdpData::~MdpData() { close(); }
    355 
    356 inline void MdpData::reset() {
    357     overlay::utils::memset0(mOvData);
    358     mOvData.data.memory_id = -1;
    359 }
    360 
    361 inline bool MdpData::close() {
    362     reset();
    363     return mFd.close();
    364 }
    365 
    366 inline int MdpData::getSrcMemoryId() const { return mOvData.data.memory_id; }
    367 
    368 inline void MdpData::setPipeId(int id) { mOvData.id = id; }
    369 
    370 inline int MdpData::getPipeId() const { return mOvData.id; }
    371 
    372 inline int MdpData::getFd() const { return mFd.getFD(); }
    373 
    374 inline bool MdpData::play(int fd, uint32_t offset) {
    375     mOvData.data.memory_id = fd;
    376     mOvData.data.offset = offset;
    377     if(!mdp_wrapper::play(mFd.getFD(), mOvData)){
    378         ALOGE("MdpData failed to play");
    379         dump();
    380         return false;
    381     }
    382     return true;
    383 }
    384 
    385 } // overlay
    386 
    387 #endif // OVERLAY_MDP_H
    388