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 #define ATRACE_TAG (ATRACE_TAG_GRAPHICS | ATRACE_TAG_HAL) 34 35 /* 36 * In order to make overlay::mdp_wrapper shorter, please do something like: 37 * namespace mdpwrap = overlay::mdp_wrapper; 38 * */ 39 40 #include <linux/msm_mdp.h> 41 #include <linux/msm_rotator.h> 42 #include <sys/ioctl.h> 43 #include <utils/Log.h> 44 #include <utils/Trace.h> 45 #include <errno.h> 46 #include "overlayUtils.h" 47 #include "overlay.h" 48 49 #define IOCTL_DEBUG 0 50 #define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 51 #define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 52 53 namespace overlay{ 54 55 namespace mdp_wrapper{ 56 /* FBIOGET_FSCREENINFO */ 57 bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo); 58 59 /* FBIOGET_VSCREENINFO */ 60 bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo); 61 62 /* FBIOPUT_VSCREENINFO */ 63 bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo); 64 65 /* MSM_ROTATOR_IOCTL_START */ 66 bool startRotator(int fd, msm_rotator_img_info& rot); 67 68 /* MSM_ROTATOR_IOCTL_ROTATE */ 69 bool rotate(int fd, msm_rotator_data_info& rot); 70 71 /* MSMFB_OVERLAY_SET */ 72 bool setOverlay(int fd, mdp_overlay& ov); 73 74 /* MSMFB_OVERLAY_PREPARE */ 75 int validateAndSet(const int& fd, mdp_overlay_list& list); 76 77 /* MSM_ROTATOR_IOCTL_FINISH */ 78 bool endRotator(int fd, int sessionId); 79 80 /* MSMFB_OVERLAY_UNSET */ 81 bool unsetOverlay(int fd, int ovId); 82 83 /* MSMFB_OVERLAY_GET */ 84 bool getOverlay(int fd, mdp_overlay& ov); 85 86 /* MSMFB_OVERLAY_PLAY */ 87 bool play(int fd, msmfb_overlay_data& od); 88 89 /* MSMFB_DISPLAY_COMMIT */ 90 bool displayCommit(int fd); 91 92 /* MSMFB_WRITEBACK_INIT, MSMFB_WRITEBACK_START */ 93 bool wbInitStart(int fbfd); 94 95 /* MSMFB_WRITEBACK_STOP, MSMFB_WRITEBACK_TERMINATE */ 96 bool wbStopTerminate(int fbfd); 97 98 /* MSMFB_WRITEBACK_QUEUE_BUFFER */ 99 bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData); 100 101 /* MSMFB_WRITEBACK_DEQUEUE_BUFFER */ 102 bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData); 103 104 /* the following are helper functions for dumping 105 * msm_mdp and friends*/ 106 void dump(const char* const s, const msmfb_overlay_data& ov); 107 void dump(const char* const s, const msmfb_data& ov); 108 void dump(const char* const s, const mdp_overlay& ov); 109 void dump(const char* const s, const uint32_t u[], uint32_t cnt); 110 void dump(const char* const s, const msmfb_img& ov); 111 void dump(const char* const s, const mdp_rect& ov); 112 113 /* and rotator */ 114 void dump(const char* const s, const msm_rotator_img_info& rot); 115 void dump(const char* const s, const msm_rotator_data_info& rot); 116 117 /* info */ 118 void dump(const char* const s, const fb_fix_screeninfo& finfo); 119 void dump(const char* const s, const fb_var_screeninfo& vinfo); 120 121 //---------------Inlines ------------------------------------- 122 123 inline bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo) { 124 ATRACE_CALL(); 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 } 132 133 inline bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo) { 134 ATRACE_CALL(); 135 if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0) { 136 ALOGE("Failed to call ioctl FBIOGET_VSCREENINFO err=%s", 137 strerror(errno)); 138 return false; 139 } 140 return true; 141 } 142 143 inline bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo) { 144 ATRACE_CALL(); 145 if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo) < 0) { 146 ALOGE("Failed to call ioctl FBIOPUT_VSCREENINFO err=%s", 147 strerror(errno)); 148 return false; 149 } 150 return true; 151 } 152 153 inline bool startRotator(int fd, msm_rotator_img_info& rot) { 154 ATRACE_CALL(); 155 if (ioctl(fd, MSM_ROTATOR_IOCTL_START, &rot) < 0){ 156 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_START err=%s", 157 strerror(errno)); 158 return false; 159 } 160 return true; 161 } 162 163 inline bool rotate(int fd, msm_rotator_data_info& rot) { 164 ATRACE_CALL(); 165 if (ioctl(fd, MSM_ROTATOR_IOCTL_ROTATE, &rot) < 0) { 166 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_ROTATE err=%s", 167 strerror(errno)); 168 return false; 169 } 170 return true; 171 } 172 173 inline bool setOverlay(int fd, mdp_overlay& ov) { 174 ATRACE_CALL(); 175 if (ioctl(fd, MSMFB_OVERLAY_SET, &ov) < 0) { 176 ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s", 177 strerror(errno)); 178 return false; 179 } 180 return true; 181 } 182 183 inline int validateAndSet(const int& fd, mdp_overlay_list& list) { 184 ATRACE_CALL(); 185 uint32_t id = 0; 186 if(UNLIKELY(Overlay::isDebugPipeLifecycle())) { 187 for(uint32_t i = 0; i < list.num_overlays; i++) { 188 if(list.overlay_list[i]->id != (uint32_t)MSMFB_NEW_REQUEST) { 189 id |= list.overlay_list[i]->id; 190 } 191 } 192 193 ALOGD("%s Total pipes needed: %d, Exisiting pipe mask 0x%04x", 194 __FUNCTION__, list.num_overlays, id); 195 id = 0; 196 } 197 198 if (ioctl(fd, MSMFB_OVERLAY_PREPARE, &list) < 0) { 199 ALOGD_IF(IOCTL_DEBUG, "Failed to call ioctl MSMFB_OVERLAY_PREPARE " 200 "err=%s", strerror(errno)); 201 return errno; 202 } 203 204 if(UNLIKELY(Overlay::isDebugPipeLifecycle())) { 205 for(uint32_t i = 0; i < list.num_overlays; i++) { 206 id |= list.overlay_list[i]->id; 207 } 208 209 ALOGD("%s Pipe mask after OVERLAY_PREPARE 0x%04x", __FUNCTION__, id); 210 } 211 212 return 0; 213 } 214 215 inline bool endRotator(int fd, uint32_t sessionId) { 216 ATRACE_CALL(); 217 if (ioctl(fd, MSM_ROTATOR_IOCTL_FINISH, &sessionId) < 0) { 218 ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_FINISH err=%s", 219 strerror(errno)); 220 return false; 221 } 222 return true; 223 } 224 225 inline bool unsetOverlay(int fd, int ovId) { 226 ATRACE_CALL(); 227 ALOGD_IF(Overlay::isDebugPipeLifecycle(), "%s Unsetting pipe 0x%04x", 228 __FUNCTION__, ovId); 229 230 if (ioctl(fd, MSMFB_OVERLAY_UNSET, &ovId) < 0) { 231 ALOGE("Failed to call ioctl MSMFB_OVERLAY_UNSET err=%s", 232 strerror(errno)); 233 return false; 234 } 235 return true; 236 } 237 238 inline bool getOverlay(int fd, mdp_overlay& ov) { 239 ATRACE_CALL(); 240 if (ioctl(fd, MSMFB_OVERLAY_GET, &ov) < 0) { 241 ALOGE("Failed to call ioctl MSMFB_OVERLAY_GET err=%s", 242 strerror(errno)); 243 return false; 244 } 245 return true; 246 } 247 248 inline bool play(int fd, msmfb_overlay_data& od) { 249 ATRACE_CALL(); 250 if (ioctl(fd, MSMFB_OVERLAY_PLAY, &od) < 0) { 251 ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s", 252 strerror(errno)); 253 return false; 254 } 255 return true; 256 } 257 258 inline bool displayCommit(int fd, mdp_display_commit& info) { 259 ATRACE_CALL(); 260 ALOGD_IF(Overlay::isDebugPipeLifecycle(), "%s", __FUNCTION__); 261 262 if(ioctl(fd, MSMFB_DISPLAY_COMMIT, &info) == -1) { 263 ALOGE("Failed to call ioctl MSMFB_DISPLAY_COMMIT err=%s", 264 strerror(errno)); 265 return false; 266 } 267 return true; 268 } 269 270 inline bool wbInitStart(int fbfd) { 271 ATRACE_CALL(); 272 if(ioctl(fbfd, MSMFB_WRITEBACK_INIT, NULL) < 0) { 273 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_INIT err=%s", 274 strerror(errno)); 275 return false; 276 } 277 if(ioctl(fbfd, MSMFB_WRITEBACK_START, NULL) < 0) { 278 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_START err=%s", 279 strerror(errno)); 280 return false; 281 } 282 return true; 283 } 284 285 inline bool wbStopTerminate(int fbfd) { 286 ATRACE_CALL(); 287 if(ioctl(fbfd, MSMFB_WRITEBACK_STOP, NULL) < 0) { 288 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_STOP err=%s", 289 strerror(errno)); 290 return false; 291 } 292 if(ioctl(fbfd, MSMFB_WRITEBACK_TERMINATE, NULL) < 0) { 293 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_TERMINATE err=%s", 294 strerror(errno)); 295 return false; 296 } 297 return true; 298 } 299 300 inline bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData) { 301 ATRACE_CALL(); 302 if(ioctl(fbfd, MSMFB_WRITEBACK_QUEUE_BUFFER, &fbData) < 0) { 303 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_QUEUE_BUFFER err=%s", 304 strerror(errno)); 305 return false; 306 } 307 return true; 308 } 309 310 inline bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData) { 311 ATRACE_CALL(); 312 if(ioctl(fbfd, MSMFB_WRITEBACK_DEQUEUE_BUFFER, &fbData) < 0) { 313 ALOGE("Failed to call ioctl MSMFB_WRITEBACK_DEQUEUE_BUFFER err=%s", 314 strerror(errno)); 315 return false; 316 } 317 return true; 318 } 319 320 /* dump funcs */ 321 inline void dump(const char* const s, const msmfb_overlay_data& ov) { 322 ALOGE("%s msmfb_overlay_data id=%d", 323 s, ov.id); 324 dump("data", ov.data); 325 } 326 inline void dump(const char* const s, const msmfb_data& ov) { 327 ALOGE("%s msmfb_data offset=%d memid=%d id=%d flags=0x%x priv=%d", 328 s, ov.offset, ov.memory_id, ov.id, ov.flags, ov.priv); 329 } 330 inline void dump(const char* const s, const mdp_overlay& ov) { 331 ALOGE("%s mdp_overlay z=%d alpha=%d mask=%d flags=0x%x id=%d", 332 s, ov.z_order, ov.alpha, 333 ov.transp_mask, ov.flags, ov.id); 334 dump("src", ov.src); 335 dump("src_rect", ov.src_rect); 336 dump("dst_rect", ov.dst_rect); 337 /* 338 Commented off to prevent verbose logging, since user_data could have 8 or so 339 fields which are mostly 0 340 dump("user_data", ov.user_data, 341 sizeof(ov.user_data)/sizeof(ov.user_data[0])); 342 */ 343 } 344 inline void dump(const char* const s, const msmfb_img& ov) { 345 ALOGE("%s msmfb_img w=%d h=%d format=%d %s", 346 s, ov.width, ov.height, ov.format, 347 overlay::utils::getFormatString(ov.format)); 348 } 349 inline void dump(const char* const s, const mdp_rect& ov) { 350 ALOGE("%s mdp_rect x=%d y=%d w=%d h=%d", 351 s, ov.x, ov.y, ov.w, ov.h); 352 } 353 354 inline void dump(const char* const s, const uint32_t u[], uint32_t cnt) { 355 ALOGE("%s user_data cnt=%d", s, cnt); 356 for(uint32_t i=0; i < cnt; ++i) { 357 ALOGE("i=%d val=%d", i, u[i]); 358 } 359 } 360 inline void dump(const char* const s, const msm_rotator_img_info& rot) { 361 ALOGE("%s msm_rotator_img_info sessid=%u dstx=%d dsty=%d rot=%d, ena=%d scale=%d", 362 s, rot.session_id, rot.dst_x, rot.dst_y, 363 rot.rotations, rot.enable, rot.downscale_ratio); 364 dump("src", rot.src); 365 dump("dst", rot.dst); 366 dump("src_rect", rot.src_rect); 367 } 368 inline void dump(const char* const s, const msm_rotator_data_info& rot) { 369 ALOGE("%s msm_rotator_data_info sessid=%u verkey=%d", 370 s, rot.session_id, rot.version_key); 371 dump("src", rot.src); 372 dump("dst", rot.dst); 373 dump("src_chroma", rot.src_chroma); 374 dump("dst_chroma", rot.dst_chroma); 375 } 376 inline void dump(const char* const s, const fb_fix_screeninfo& finfo) { 377 ALOGE("%s fb_fix_screeninfo type=%d", s, finfo.type); 378 } 379 inline void dump(const char* const s, const fb_var_screeninfo& vinfo) { 380 ALOGE("%s fb_var_screeninfo xres=%d yres=%d", 381 s, vinfo.xres, vinfo.yres); 382 } 383 384 } // mdp_wrapper 385 386 } // overlay 387 388 #endif // MDP_WRAPPER_H 389
