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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 
     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