1/* 2* Copyright (c) 2011, 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 MDP_WRAPPER_H 31#define MDP_WRAPPER_H 32 33/* 34* In order to make overlay::mdp_wrapper shorter, please do something like: 35* namespace mdpwrap = overlay::mdp_wrapper; 36* */ 37 38#include <linux/msm_mdp.h> 39#include <linux/msm_rotator.h> 40#include <sys/ioctl.h> 41#include <utils/Log.h> 42#include <errno.h> 43#include "overlayUtils.h" 44 45#define IOCTL_DEBUG 0 46 47namespace overlay{ 48 49namespace mdp_wrapper{ 50/* FBIOGET_FSCREENINFO */ 51bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo); 52 53/* FBIOGET_VSCREENINFO */ 54bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo); 55 56/* FBIOPUT_VSCREENINFO */ 57bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo); 58 59/* MSM_ROTATOR_IOCTL_START */ 60bool startRotator(int fd, msm_rotator_img_info& rot); 61 62/* MSM_ROTATOR_IOCTL_ROTATE */ 63bool rotate(int fd, msm_rotator_data_info& rot); 64 65/* MSMFB_OVERLAY_SET */ 66bool setOverlay(int fd, mdp_overlay& ov); 67 68/* MSMFB_OVERLAY_PREPARE */ 69bool validateAndSet(const int& fd, mdp_overlay_list& list); 70 71/* MSM_ROTATOR_IOCTL_FINISH */ 72bool endRotator(int fd, int sessionId); 73 74/* MSMFB_OVERLAY_UNSET */ 75bool unsetOverlay(int fd, int ovId); 76 77/* MSMFB_OVERLAY_GET */ 78bool getOverlay(int fd, mdp_overlay& ov); 79 80/* MSMFB_OVERLAY_PLAY */ 81bool play(int fd, msmfb_overlay_data& od); 82 83/* MSMFB_OVERLAY_3D */ 84bool set3D(int fd, msmfb_overlay_3d& ov); 85 86/* MSMFB_DISPLAY_COMMIT */ 87bool displayCommit(int fd); 88 89/* MSMFB_WRITEBACK_INIT, MSMFB_WRITEBACK_START */ 90bool wbInitStart(int fbfd); 91 92/* MSMFB_WRITEBACK_STOP, MSMFB_WRITEBACK_TERMINATE */ 93bool wbStopTerminate(int fbfd); 94 95/* MSMFB_WRITEBACK_QUEUE_BUFFER */ 96bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData); 97 98/* MSMFB_WRITEBACK_DEQUEUE_BUFFER */ 99bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData); 100 101/* MSMFB_SECURE */ 102bool setSecureBuffer(int fbFd, struct msmfb_secure_config& config); 103 104/* the following are helper functions for dumping 105 * msm_mdp and friends*/ 106void dump(const char* const s, const msmfb_overlay_data& ov); 107void dump(const char* const s, const msmfb_data& ov); 108void dump(const char* const s, const mdp_overlay& ov); 109void dump(const char* const s, const msmfb_overlay_3d& ov); 110void dump(const char* const s, const uint32_t u[], uint32_t cnt); 111void dump(const char* const s, const msmfb_img& ov); 112void dump(const char* const s, const mdp_rect& ov); 113 114/* and rotator */ 115void dump(const char* const s, const msm_rotator_img_info& rot); 116void dump(const char* const s, const msm_rotator_data_info& rot); 117 118/* info */ 119void dump(const char* const s, const fb_fix_screeninfo& finfo); 120void dump(const char* const s, const fb_var_screeninfo& vinfo); 121 122//---------------Inlines ------------------------------------- 123 124inline bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo) { 125 if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) < 0) { 126 ALOGE("Failed to call ioctl FBIOGET_FSCREENINFO err=%s", 127 strerror(errno)); 128 return false; 129 } 130 return true; 131} 132 133inline bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo) { 134 if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0) { 135 ALOGE("Failed to call ioctl FBIOGET_VSCREENINFO err=%s", 136 strerror(errno)); 137 return false; 138 } 139 return true; 140} 141 142inline bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo) { 143 if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo) < 0) { 144 ALOGE("Failed to call ioctl FBIOPUT_VSCREENINFO err=%s", 145 strerror(errno)); 146 return false; 147 } 148 return true; 149} 150 151inline bool startRotator(int fd, msm_rotator_img_info& rot) { 152 if (ioctl(fd, MSM_ROTATOR_IOCTL_START, &rot) < 0){ 153 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_START err=%s", 154 strerror(errno)); 155 return false; 156 } 157 return true; 158} 159 160inline bool rotate(int fd, msm_rotator_data_info& rot) { 161 if (ioctl(fd, MSM_ROTATOR_IOCTL_ROTATE, &rot) < 0) { 162 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_ROTATE err=%s", 163 strerror(errno)); 164 return false; 165 } 166 return true; 167} 168 169inline bool setOverlay(int fd, mdp_overlay& ov) { 170 if (ioctl(fd, MSMFB_OVERLAY_SET, &ov) < 0) { 171 ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s", 172 strerror(errno)); 173 return false; 174 } 175 return true; 176} 177 178inline bool validateAndSet(const int& fd, mdp_overlay_list& list) { 179 if (ioctl(fd, MSMFB_OVERLAY_PREPARE, &list) < 0) { 180 ALOGD_IF(IOCTL_DEBUG, "Failed to call ioctl MSMFB_OVERLAY_PREPARE " 181 "err=%s", strerror(errno)); 182 return false; 183 } 184 return true; 185} 186 187inline bool endRotator(int fd, uint32_t sessionId) { 188 if (ioctl(fd, MSM_ROTATOR_IOCTL_FINISH, &sessionId) < 0) { 189 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_FINISH err=%s", 190 strerror(errno)); 191 return false; 192 } 193 return true; 194} 195 196inline bool unsetOverlay(int fd, int ovId) { 197 if (ioctl(fd, MSMFB_OVERLAY_UNSET, &ovId) < 0) { 198 ALOGE("Failed to call ioctl MSMFB_OVERLAY_UNSET err=%s", 199 strerror(errno)); 200 return false; 201 } 202 return true; 203} 204 205inline bool getOverlay(int fd, mdp_overlay& ov) { 206 if (ioctl(fd, MSMFB_OVERLAY_GET, &ov) < 0) { 207 ALOGE("Failed to call ioctl MSMFB_OVERLAY_GET err=%s", 208 strerror(errno)); 209 return false; 210 } 211 return true; 212} 213 214inline bool play(int fd, msmfb_overlay_data& od) { 215 if (ioctl(fd, MSMFB_OVERLAY_PLAY, &od) < 0) { 216 ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s", 217 strerror(errno)); 218 return false; 219 } 220 return true; 221} 222 223inline bool set3D(int fd, msmfb_overlay_3d& ov) { 224 if (ioctl(fd, MSMFB_OVERLAY_3D, &ov) < 0) { 225 ALOGE("Failed to call ioctl MSMFB_OVERLAY_3D err=%s", 226 strerror(errno)); 227 return false; 228 } 229 return true; 230} 231 232inline bool displayCommit(int fd, mdp_display_commit& info) { 233 if(ioctl(fd, MSMFB_DISPLAY_COMMIT, &info) == -1) { 234 ALOGE("Failed to call ioctl MSMFB_DISPLAY_COMMIT err=%s", 235 strerror(errno)); 236 return false; 237 } 238 return true; 239} 240 241inline bool wbInitStart(int fbfd) { 242 if(ioctl(fbfd, MSMFB_WRITEBACK_INIT, NULL) < 0) { 243 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_INIT err=%s", 244 strerror(errno)); 245 return false; 246 } 247 if(ioctl(fbfd, MSMFB_WRITEBACK_START, NULL) < 0) { 248 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_START err=%s", 249 strerror(errno)); 250 return false; 251 } 252 return true; 253} 254 255inline bool wbStopTerminate(int fbfd) { 256 if(ioctl(fbfd, MSMFB_WRITEBACK_STOP, NULL) < 0) { 257 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_STOP err=%s", 258 strerror(errno)); 259 return false; 260 } 261 if(ioctl(fbfd, MSMFB_WRITEBACK_TERMINATE, NULL) < 0) { 262 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_TERMINATE err=%s", 263 strerror(errno)); 264 return false; 265 } 266 return true; 267} 268 269inline bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData) { 270 if(ioctl(fbfd, MSMFB_WRITEBACK_QUEUE_BUFFER, &fbData) < 0) { 271 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_QUEUE_BUFFER err=%s", 272 strerror(errno)); 273 return false; 274 } 275 return true; 276} 277 278inline bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData) { 279 if(ioctl(fbfd, MSMFB_WRITEBACK_DEQUEUE_BUFFER, &fbData) < 0) { 280 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_DEQUEUE_BUFFER err=%s", 281 strerror(errno)); 282 return false; 283 } 284 return true; 285} 286 287inline bool setSecureBuffer(int fbFd, struct msmfb_secure_config& config) { 288 if(ioctl(fbFd, MSMFB_SECURE, &config) < 0) { 289 ALOGE("Failed to call ioctl MSMFB_SECURE err=%s buf_fd=%d enable=%d", 290 strerror(errno), config.fd, config.enable); 291 return false; 292 } 293 return true; 294} 295 296/* dump funcs */ 297inline void dump(const char* const s, const msmfb_overlay_data& ov) { 298 ALOGE("%s msmfb_overlay_data id=%d", 299 s, ov.id); 300 dump("data", ov.data); 301} 302inline void dump(const char* const s, const msmfb_data& ov) { 303 ALOGE("%s msmfb_data offset=%d memid=%d id=%d flags=0x%x priv=%d", 304 s, ov.offset, ov.memory_id, ov.id, ov.flags, ov.priv); 305} 306inline void dump(const char* const s, const mdp_overlay& ov) { 307 ALOGE("%s mdp_overlay z=%d fg=%d alpha=%d mask=%d flags=0x%x id=%d", 308 s, ov.z_order, ov.is_fg, ov.alpha, 309 ov.transp_mask, ov.flags, ov.id); 310 dump("src", ov.src); 311 dump("src_rect", ov.src_rect); 312 dump("dst_rect", ov.dst_rect); 313 /* 314 Commented off to prevent verbose logging, since user_data could have 8 or so 315 fields which are mostly 0 316 dump("user_data", ov.user_data, 317 sizeof(ov.user_data)/sizeof(ov.user_data[0])); 318 */ 319} 320inline void dump(const char* const s, const msmfb_img& ov) { 321 ALOGE("%s msmfb_img w=%d h=%d format=%d %s", 322 s, ov.width, ov.height, ov.format, 323 overlay::utils::getFormatString(ov.format)); 324} 325inline void dump(const char* const s, const mdp_rect& ov) { 326 ALOGE("%s mdp_rect x=%d y=%d w=%d h=%d", 327 s, ov.x, ov.y, ov.w, ov.h); 328} 329 330inline void dump(const char* const s, const msmfb_overlay_3d& ov) { 331 ALOGE("%s msmfb_overlay_3d 3d=%d w=%d h=%d", 332 s, ov.is_3d, ov.width, ov.height); 333 334} 335inline void dump(const char* const s, const uint32_t u[], uint32_t cnt) { 336 ALOGE("%s user_data cnt=%d", s, cnt); 337 for(uint32_t i=0; i < cnt; ++i) { 338 ALOGE("i=%d val=%d", i, u[i]); 339 } 340} 341inline void dump(const char* const s, const msm_rotator_img_info& rot) { 342 ALOGE("%s msm_rotator_img_info sessid=%u dstx=%d dsty=%d rot=%d, ena=%d scale=%d", 343 s, rot.session_id, rot.dst_x, rot.dst_y, 344 rot.rotations, rot.enable, rot.downscale_ratio); 345 dump("src", rot.src); 346 dump("dst", rot.dst); 347 dump("src_rect", rot.src_rect); 348} 349inline void dump(const char* const s, const msm_rotator_data_info& rot) { 350 ALOGE("%s msm_rotator_data_info sessid=%u verkey=%d", 351 s, rot.session_id, rot.version_key); 352 dump("src", rot.src); 353 dump("dst", rot.dst); 354 dump("src_chroma", rot.src_chroma); 355 dump("dst_chroma", rot.dst_chroma); 356} 357inline void dump(const char* const s, const fb_fix_screeninfo& finfo) { 358 ALOGE("%s fb_fix_screeninfo type=%d", s, finfo.type); 359} 360inline void dump(const char* const s, const fb_var_screeninfo& vinfo) { 361 ALOGE("%s fb_var_screeninfo xres=%d yres=%d", 362 s, vinfo.xres, vinfo.yres); 363} 364 365} // mdp_wrapper 366 367} // overlay 368 369#endif // MDP_WRAPPER_H 370