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