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