1 /* 2 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef OVERLAY_CTRLDATA_H 31 #define OVERLAY_CTRLDATA_H 32 33 #include "overlayUtils.h" 34 #include "overlayMdp.h" 35 #include "gralloc_priv.h" // INTERLACE_MASK 36 37 namespace ovutils = overlay::utils; 38 39 namespace overlay { 40 41 /* 42 * Sequence to use: 43 * init 44 * start 45 * setXXX 46 * close 47 * */ 48 class Ctrl : utils::NoCopy { 49 public: 50 51 /* ctor */ 52 explicit Ctrl(); 53 /* dtor close */ 54 ~Ctrl(); 55 /* init fd etc*/ 56 bool init(uint32_t fbnum); 57 /* close underlying mdp */ 58 bool close(); 59 60 /* set source using whf, orient and wait flag */ 61 void setSource(const utils::PipeArgs& args); 62 /* set crop info and pass it down to mdp */ 63 void setCrop(const utils::Dim& d); 64 /* set orientation */ 65 void setTransform(const utils::eTransform& p); 66 /* set mdp position using dim */ 67 void setPosition(const utils::Dim& dim); 68 /* set mdp visual params using metadata */ 69 bool setVisualParams(const MetaData_t &metadata); 70 /* mdp set overlay/commit changes */ 71 bool commit(); 72 73 /* ctrl id */ 74 int getPipeId() const; 75 /* ctrl fd */ 76 int getFd() const; 77 /* retrieve crop data */ 78 utils::Dim getCrop() const; 79 utils::Dim getPosition() const; 80 /* Set downscale */ 81 void setDownscale(int dscale_factor); 82 /* Update the src format based on rotator's dest */ 83 void updateSrcFormat(const uint32_t& rotDstFormat); 84 /* dump the state of the object */ 85 void dump() const; 86 /* Return the dump in the specified buffer */ 87 void getDump(char *buf, size_t len); 88 89 private: 90 // mdp ctrl struct(info e.g.) 91 MdpCtrl mMdp; 92 }; 93 94 95 class Data : utils::NoCopy { 96 public: 97 /* init, reset */ 98 explicit Data(); 99 /* calls close */ 100 ~Data(); 101 /* init fd etc */ 102 bool init(uint32_t fbnum); 103 /* calls underlying mdp close */ 104 bool close(); 105 /* set overlay pipe id in the mdp struct */ 106 void setPipeId(int id); 107 /* get overlay id in the mdp struct */ 108 int getPipeId() const; 109 /* queue buffer to the overlay */ 110 bool queueBuffer(int fd, uint32_t offset); 111 /* sump the state of the obj */ 112 void dump() const; 113 /* Return the dump in the specified buffer */ 114 void getDump(char *buf, size_t len); 115 116 private: 117 // mdp data struct 118 MdpData mMdp; 119 }; 120 121 /* This class just creates a Ctrl Data pair to be used by a pipe. 122 * Although this was legacy design, this separation still makes sense, since we 123 * need to use the Ctrl channel in hwc_prepare (i.e config stage) and Data 124 * channel in hwc_set (i.e draw stage) 125 */ 126 struct CtrlData { 127 Ctrl ctrl; 128 Data data; 129 }; 130 131 //-------------Inlines------------------------------- 132 133 inline Ctrl::Ctrl() { 134 mMdp.reset(); 135 } 136 137 inline Ctrl::~Ctrl() { 138 close(); 139 } 140 141 inline bool Ctrl::close() { 142 if(!mMdp.close()) 143 return false; 144 return true; 145 } 146 147 inline bool Ctrl::init(uint32_t fbnum) { 148 // MDP/FD init 149 if(!mMdp.init(fbnum)) { 150 ALOGE("Ctrl failed to init fbnum=%d", fbnum); 151 return false; 152 } 153 return true; 154 } 155 156 inline void Ctrl::setSource(const utils::PipeArgs& args) 157 { 158 mMdp.setSource(args); 159 } 160 161 inline void Ctrl::setPosition(const utils::Dim& dim) 162 { 163 mMdp.setPosition(dim); 164 } 165 166 inline void Ctrl::setTransform(const utils::eTransform& orient) 167 { 168 mMdp.setTransform(orient); 169 } 170 171 inline void Ctrl::setCrop(const utils::Dim& d) 172 { 173 mMdp.setCrop(d); 174 } 175 176 inline bool Ctrl::setVisualParams(const MetaData_t &metadata) 177 { 178 if (!mMdp.setVisualParams(metadata)) { 179 ALOGE("Ctrl setVisualParams failed in MDP setVisualParams"); 180 return false; 181 } 182 return true; 183 } 184 185 inline void Ctrl::dump() const { 186 ALOGE("== Dump Ctrl start =="); 187 mMdp.dump(); 188 ALOGE("== Dump Ctrl end =="); 189 } 190 191 inline bool Ctrl::commit() { 192 if(!mMdp.set()) { 193 ALOGE("Ctrl commit failed set overlay"); 194 return false; 195 } 196 return true; 197 } 198 199 inline int Ctrl::getPipeId() const { 200 return mMdp.getPipeId(); 201 } 202 203 inline int Ctrl::getFd() const { 204 return mMdp.getFd(); 205 } 206 207 inline void Ctrl::updateSrcFormat(const uint32_t& rotDstFmt) { 208 mMdp.updateSrcFormat(rotDstFmt); 209 } 210 211 inline utils::Dim Ctrl::getCrop() const { 212 return mMdp.getSrcRectDim(); 213 } 214 215 inline utils::Dim Ctrl::getPosition() const { 216 return mMdp.getDstRectDim(); 217 } 218 219 inline void Ctrl::setDownscale(int dscale_factor) { 220 mMdp.setDownscale(dscale_factor); 221 } 222 223 inline void Ctrl::getDump(char *buf, size_t len) { 224 mMdp.getDump(buf, len); 225 } 226 227 inline Data::Data() { 228 mMdp.reset(); 229 } 230 231 inline Data::~Data() { close(); } 232 233 inline void Data::setPipeId(int id) { mMdp.setPipeId(id); } 234 235 inline int Data::getPipeId() const { return mMdp.getPipeId(); } 236 237 inline bool Data::init(uint32_t fbnum) { 238 if(!mMdp.init(fbnum)) { 239 ALOGE("Data cannot init mdp"); 240 return false; 241 } 242 return true; 243 } 244 245 inline bool Data::close() { 246 if(!mMdp.close()) { 247 ALOGE("Data close failed"); 248 return false; 249 } 250 return true; 251 } 252 253 inline bool Data::queueBuffer(int fd, uint32_t offset) { 254 return mMdp.play(fd, offset); 255 } 256 257 inline void Data::dump() const { 258 ALOGE("== Dump Data MDP start =="); 259 mMdp.dump(); 260 ALOGE("== Dump Data MDP end =="); 261 } 262 263 inline void Data::getDump(char *buf, size_t len) { 264 mMdp.getDump(buf, len); 265 } 266 267 } // overlay 268 269 #endif 270
