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 47 namespace overlay{ 48 49 namespace mdp_wrapper{ 50 /* FBIOGET_FSCREENINFO */ 51 bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo); 52 53 /* FBIOGET_VSCREENINFO */ 54 bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo); 55 56 /* FBIOPUT_VSCREENINFO */ 57 bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo); 58 59 /* MSM_ROTATOR_IOCTL_START */ 60 bool startRotator(int fd, msm_rotator_img_info& rot); 61 62 /* MSM_ROTATOR_IOCTL_ROTATE */ 63 bool rotate(int fd, msm_rotator_data_info& rot); 64 65 /* MSMFB_OVERLAY_SET */ 66 bool setOverlay(int fd, mdp_overlay& ov); 67 68 /* MSMFB_OVERLAY_PREPARE */ 69 bool validateAndSet(const int& fd, mdp_overlay_list& list); 70 71 /* MSM_ROTATOR_IOCTL_FINISH */ 72 bool endRotator(int fd, int sessionId); 73 74 /* MSMFB_OVERLAY_UNSET */ 75 bool unsetOverlay(int fd, int ovId); 76 77 /* MSMFB_OVERLAY_GET */ 78 bool getOverlay(int fd, mdp_overlay& ov); 79 80 /* MSMFB_OVERLAY_PLAY */ 81 bool play(int fd, msmfb_overlay_data& od); 82 83 /* MSMFB_OVERLAY_3D */ 84 bool set3D(int fd, msmfb_overlay_3d& ov); 85 86 /* MSMFB_DISPLAY_COMMIT */ 87 bool displayCommit(int fd); 88 89 /* MSMFB_WRITEBACK_INIT, MSMFB_WRITEBACK_START */ 90 bool wbInitStart(int fbfd); 91 92 /* MSMFB_WRITEBACK_STOP, MSMFB_WRITEBACK_TERMINATE */ 93 bool wbStopTerminate(int fbfd); 94 95 /* MSMFB_WRITEBACK_QUEUE_BUFFER */ 96 bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData); 97 98 /* MSMFB_WRITEBACK_DEQUEUE_BUFFER */ 99 bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData); 100 101 /* MSMFB_SECURE */ 102 bool setSecureBuffer(int fbFd, struct msmfb_secure_config& config); 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 msmfb_overlay_3d& ov); 110 void dump(const char* const s, const uint32_t u[], uint32_t cnt); 111 void dump(const char* const s, const msmfb_img& ov); 112 void dump(const char* const s, const mdp_rect& ov); 113 114 /* and rotator */ 115 void dump(const char* const s, const msm_rotator_img_info& rot); 116 void dump(const char* const s, const msm_rotator_data_info& rot); 117 118 /* info */ 119 void dump(const char* const s, const fb_fix_screeninfo& finfo); 120 void dump(const char* const s, const fb_var_screeninfo& vinfo); 121 122 //---------------Inlines ------------------------------------- 123 124 inline 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 } 132 133 inline 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 } 141 142 inline 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 } 150 151 inline 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 } 159 160 inline 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 } 168 169 inline 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 } 177 178 inline 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 } 186 187 inline 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 } 195 196 inline 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 } 204 205 inline 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 } 213 214 inline 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 } 222 223 inline 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 } 231 232 inline 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 } 240 241 inline 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 } 254 255 inline 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 } 268 269 inline 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 } 277 278 inline 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 } 286 287 inline 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 */ 297 inline 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 } 302 inline 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 } 306 inline 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 } 320 inline 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 } 325 inline 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 } 329 330 inline 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 } 335 inline 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 } 341 inline 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 } 349 inline 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 } 357 inline void dump(const char* const s, const fb_fix_screeninfo& finfo) { 358 ALOGE("%s fb_fix_screeninfo type=%d", s, finfo.type); 359 } 360 inline 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