msm8084/liboverlay/mdpWrapper.h - platform/hardware/qcom/display - Git at Google

 /*
 * Copyright (c) 2011, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *    * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer in the documentation and/or other materials provided
 *      with the distribution.
 *    * Neither the name of The Linux Foundation nor the names of its
 *      contributors may be used to endorse or promote products derived
 *      from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

 #ifndef MDP_WRAPPER_H
 #define MDP_WRAPPER_H

 /*
 * In order to make overlay::mdp_wrapper shorter, please do something like:
 * namespace mdpwrap = overlay::mdp_wrapper;
 * */

 #include <linux/msm_mdp.h>
 #include <linux/msm_rotator.h>
 #include <sys/ioctl.h>
 #include <utils/Log.h>
 #include <errno.h>
 #include "overlayUtils.h"

 #define IOCTL_DEBUG 0

 namespace overlay{

 namespace mdp_wrapper{
 /* FBIOGET_FSCREENINFO */
 bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo);

 /* FBIOGET_VSCREENINFO */
 bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo);

 /* FBIOPUT_VSCREENINFO */
 bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo);

 /* MSM_ROTATOR_IOCTL_START */
 bool startRotator(int fd, msm_rotator_img_info& rot);

 /* MSM_ROTATOR_IOCTL_ROTATE */
 bool rotate(int fd, msm_rotator_data_info& rot);

 /* MSMFB_OVERLAY_SET */
 bool setOverlay(int fd, mdp_overlay& ov);

 /* MSMFB_OVERLAY_PREPARE */
 bool validateAndSet(const int& fd, mdp_overlay_list& list);

 /* MSM_ROTATOR_IOCTL_FINISH */
 bool endRotator(int fd, int sessionId);

 /* MSMFB_OVERLAY_UNSET */
 bool unsetOverlay(int fd, int ovId);

 /* MSMFB_OVERLAY_GET */
 bool getOverlay(int fd, mdp_overlay& ov);

 /* MSMFB_OVERLAY_PLAY */
 bool play(int fd, msmfb_overlay_data& od);

 /* MSMFB_OVERLAY_3D */
 bool set3D(int fd, msmfb_overlay_3d& ov);

 /* MSMFB_DISPLAY_COMMIT */
 bool displayCommit(int fd);

 /* MSMFB_WRITEBACK_INIT, MSMFB_WRITEBACK_START */
 bool wbInitStart(int fbfd);

 /* MSMFB_WRITEBACK_STOP, MSMFB_WRITEBACK_TERMINATE */
 bool wbStopTerminate(int fbfd);

 /* MSMFB_WRITEBACK_QUEUE_BUFFER */
 bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData);

 /* MSMFB_WRITEBACK_DEQUEUE_BUFFER */
 bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData);

 /* MSMFB_SECURE */
 bool setSecureBuffer(int fbFd, struct msmfb_secure_config& config);

 /* the following are helper functions for dumping
  * msm_mdp and friends*/
 void dump(const char* const s, const msmfb_overlay_data& ov);
 void dump(const char* const s, const msmfb_data& ov);
 void dump(const char* const s, const mdp_overlay& ov);
 void dump(const char* const s, const msmfb_overlay_3d& ov);
 void dump(const char* const s, const uint32_t u[], uint32_t cnt);
 void dump(const char* const s, const msmfb_img& ov);
 void dump(const char* const s, const mdp_rect& ov);

 /* and rotator */
 void dump(const char* const s, const msm_rotator_img_info& rot);
 void dump(const char* const s, const msm_rotator_data_info& rot);

 /* info */
 void dump(const char* const s, const fb_fix_screeninfo& finfo);
 void dump(const char* const s, const fb_var_screeninfo& vinfo);

 //---------------Inlines -------------------------------------

 inline bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo) {
     if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) < 0) {
         ALOGE("Failed to call ioctl FBIOGET_FSCREENINFO err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
     if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0) {
         ALOGE("Failed to call ioctl FBIOGET_VSCREENINFO err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
     if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo) < 0) {
         ALOGE("Failed to call ioctl FBIOPUT_VSCREENINFO err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool startRotator(int fd, msm_rotator_img_info& rot) {
     if (ioctl(fd, MSM_ROTATOR_IOCTL_START, &rot) < 0){
         ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_START err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool rotate(int fd, msm_rotator_data_info& rot) {
     if (ioctl(fd, MSM_ROTATOR_IOCTL_ROTATE, &rot) < 0) {
         ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_ROTATE err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool setOverlay(int fd, mdp_overlay& ov) {
     if (ioctl(fd, MSMFB_OVERLAY_SET, &ov) < 0) {
         ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool validateAndSet(const int& fd, mdp_overlay_list& list) {
     if (ioctl(fd, MSMFB_OVERLAY_PREPARE, &list) < 0) {
         ALOGD_IF(IOCTL_DEBUG, "Failed to call ioctl MSMFB_OVERLAY_PREPARE "
                 "err=%s", strerror(errno));
         return false;
     }
     return true;
 }

 inline bool endRotator(int fd, uint32_t sessionId) {
     if (ioctl(fd, MSM_ROTATOR_IOCTL_FINISH, &sessionId) < 0) {
         ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_FINISH err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool unsetOverlay(int fd, int ovId) {
     if (ioctl(fd, MSMFB_OVERLAY_UNSET, &ovId) < 0) {
         ALOGE("Failed to call ioctl MSMFB_OVERLAY_UNSET err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool getOverlay(int fd, mdp_overlay& ov) {
     if (ioctl(fd, MSMFB_OVERLAY_GET, &ov) < 0) {
         ALOGE("Failed to call ioctl MSMFB_OVERLAY_GET err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool play(int fd, msmfb_overlay_data& od) {
     if (ioctl(fd, MSMFB_OVERLAY_PLAY, &od) < 0) {
         ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool set3D(int fd, msmfb_overlay_3d& ov) {
     if (ioctl(fd, MSMFB_OVERLAY_3D, &ov) < 0) {
         ALOGE("Failed to call ioctl MSMFB_OVERLAY_3D err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool displayCommit(int fd, mdp_display_commit& info) {
     if(ioctl(fd, MSMFB_DISPLAY_COMMIT, &info) == -1) {
         ALOGE("Failed to call ioctl MSMFB_DISPLAY_COMMIT err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool wbInitStart(int fbfd) {
     if(ioctl(fbfd, MSMFB_WRITEBACK_INIT, NULL) < 0) {
         ALOGE("Failed to call ioctl MSMFB_WRITEBACK_INIT err=%s",
                 strerror(errno));
         return false;
     }
     if(ioctl(fbfd, MSMFB_WRITEBACK_START, NULL) < 0) {
         ALOGE("Failed to call ioctl MSMFB_WRITEBACK_START err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool wbStopTerminate(int fbfd) {
     if(ioctl(fbfd, MSMFB_WRITEBACK_STOP, NULL) < 0) {
         ALOGE("Failed to call ioctl MSMFB_WRITEBACK_STOP err=%s",
                 strerror(errno));
         return false;
     }
     if(ioctl(fbfd, MSMFB_WRITEBACK_TERMINATE, NULL) < 0) {
         ALOGE("Failed to call ioctl MSMFB_WRITEBACK_TERMINATE err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData) {
     if(ioctl(fbfd, MSMFB_WRITEBACK_QUEUE_BUFFER, &fbData) < 0) {
         ALOGE("Failed to call ioctl MSMFB_WRITEBACK_QUEUE_BUFFER err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData) {
     if(ioctl(fbfd, MSMFB_WRITEBACK_DEQUEUE_BUFFER, &fbData) < 0) {
         ALOGE("Failed to call ioctl MSMFB_WRITEBACK_DEQUEUE_BUFFER err=%s",
                 strerror(errno));
         return false;
     }
     return true;
 }

 inline bool setSecureBuffer(int fbFd, struct msmfb_secure_config& config) {
     if(ioctl(fbFd, MSMFB_SECURE, &config) < 0) {
         ALOGE("Failed to call ioctl MSMFB_SECURE err=%s buf_fd=%d enable=%d",
                 strerror(errno), config.fd, config.enable);
         return false;
     }
     return true;
 }

 /* dump funcs */
 inline void dump(const char* const s, const msmfb_overlay_data& ov) {
     ALOGE("%s msmfb_overlay_data id=%d",
             s, ov.id);
     dump("data", ov.data);
 }
 inline void dump(const char* const s, const msmfb_data& ov) {
     ALOGE("%s msmfb_data offset=%d memid=%d id=%d flags=0x%x priv=%d",
             s, ov.offset, ov.memory_id, ov.id, ov.flags, ov.priv);
 }
 inline void dump(const char* const s, const mdp_overlay& ov) {
     ALOGE("%s mdp_overlay z=%d fg=%d alpha=%d mask=%d flags=0x%x id=%d",
             s, ov.z_order, ov.is_fg, ov.alpha,
             ov.transp_mask, ov.flags, ov.id);
     dump("src", ov.src);
     dump("src_rect", ov.src_rect);
     dump("dst_rect", ov.dst_rect);
     /*
     Commented off to prevent verbose logging, since user_data could have 8 or so
     fields which are mostly 0
     dump("user_data", ov.user_data,
             sizeof(ov.user_data)/sizeof(ov.user_data[0]));
     */
 }
 inline void dump(const char* const s, const msmfb_img& ov) {
     ALOGE("%s msmfb_img w=%d h=%d format=%d %s",
             s, ov.width, ov.height, ov.format,
             overlay::utils::getFormatString(ov.format));
 }
 inline void dump(const char* const s, const mdp_rect& ov) {
     ALOGE("%s mdp_rect x=%d y=%d w=%d h=%d",
             s, ov.x, ov.y, ov.w, ov.h);
 }

 inline void dump(const char* const s, const msmfb_overlay_3d& ov) {
     ALOGE("%s msmfb_overlay_3d 3d=%d w=%d h=%d",
             s, ov.is_3d, ov.width, ov.height);

 }
 inline void dump(const char* const s, const uint32_t u[], uint32_t cnt) {
     ALOGE("%s user_data cnt=%d", s, cnt);
     for(uint32_t i=0; i < cnt; ++i) {
         ALOGE("i=%d val=%d", i, u[i]);
     }
 }
 inline void dump(const char* const s, const msm_rotator_img_info& rot) {
     ALOGE("%s msm_rotator_img_info sessid=%u dstx=%d dsty=%d rot=%d, ena=%d scale=%d",
             s, rot.session_id, rot.dst_x, rot.dst_y,
             rot.rotations, rot.enable, rot.downscale_ratio);
     dump("src", rot.src);
     dump("dst", rot.dst);
     dump("src_rect", rot.src_rect);
 }
 inline void dump(const char* const s, const msm_rotator_data_info& rot) {
     ALOGE("%s msm_rotator_data_info sessid=%u verkey=%d",
             s, rot.session_id, rot.version_key);
     dump("src", rot.src);
     dump("dst", rot.dst);
     dump("src_chroma", rot.src_chroma);
     dump("dst_chroma", rot.dst_chroma);
 }
 inline void dump(const char* const s, const fb_fix_screeninfo& finfo) {
     ALOGE("%s fb_fix_screeninfo type=%d", s, finfo.type);
 }
 inline void dump(const char* const s, const fb_var_screeninfo& vinfo) {
     ALOGE("%s fb_var_screeninfo xres=%d yres=%d",
             s, vinfo.xres, vinfo.yres);
 }

 } // mdp_wrapper

 } // overlay

 #endif // MDP_WRAPPER_H
	/*
	* Copyright (c) 2011, The Linux Foundation. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are
	* met:
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following
	* disclaimer in the documentation and/or other materials provided
	* with the distribution.
	* * Neither the name of The Linux Foundation nor the names of its
	* contributors may be used to endorse or promote products derived
	* from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
	* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
	* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#ifndef MDP_WRAPPER_H
	#define MDP_WRAPPER_H

	/*
	* In order to make overlay::mdp_wrapper shorter, please do something like:
	* namespace mdpwrap = overlay::mdp_wrapper;
	* */

	#include <linux/msm_mdp.h>
	#include <linux/msm_rotator.h>
	#include <sys/ioctl.h>
	#include <utils/Log.h>
	#include <errno.h>
	#include "overlayUtils.h"

	#define IOCTL_DEBUG 0

	namespace overlay{

	namespace mdp_wrapper{
	/* FBIOGET_FSCREENINFO */
	bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo);

	/* FBIOGET_VSCREENINFO */
	bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo);

	/* FBIOPUT_VSCREENINFO */
	bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo);

	/* MSM_ROTATOR_IOCTL_START */
	bool startRotator(int fd, msm_rotator_img_info& rot);

	/* MSM_ROTATOR_IOCTL_ROTATE */
	bool rotate(int fd, msm_rotator_data_info& rot);

	/* MSMFB_OVERLAY_SET */
	bool setOverlay(int fd, mdp_overlay& ov);

	/* MSMFB_OVERLAY_PREPARE */
	bool validateAndSet(const int& fd, mdp_overlay_list& list);

	/* MSM_ROTATOR_IOCTL_FINISH */
	bool endRotator(int fd, int sessionId);

	/* MSMFB_OVERLAY_UNSET */
	bool unsetOverlay(int fd, int ovId);

	/* MSMFB_OVERLAY_GET */
	bool getOverlay(int fd, mdp_overlay& ov);

	/* MSMFB_OVERLAY_PLAY */
	bool play(int fd, msmfb_overlay_data& od);

	/* MSMFB_OVERLAY_3D */
	bool set3D(int fd, msmfb_overlay_3d& ov);

	/* MSMFB_DISPLAY_COMMIT */
	bool displayCommit(int fd);

	/* MSMFB_WRITEBACK_INIT, MSMFB_WRITEBACK_START */
	bool wbInitStart(int fbfd);

	/* MSMFB_WRITEBACK_STOP, MSMFB_WRITEBACK_TERMINATE */
	bool wbStopTerminate(int fbfd);

	/* MSMFB_WRITEBACK_QUEUE_BUFFER */
	bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData);

	/* MSMFB_WRITEBACK_DEQUEUE_BUFFER */
	bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData);

	/* MSMFB_SECURE */
	bool setSecureBuffer(int fbFd, struct msmfb_secure_config& config);

	/* the following are helper functions for dumping
	* msm_mdp and friends*/
	void dump(const char* const s, const msmfb_overlay_data& ov);
	void dump(const char* const s, const msmfb_data& ov);
	void dump(const char* const s, const mdp_overlay& ov);
	void dump(const char* const s, const msmfb_overlay_3d& ov);
	void dump(const char* const s, const uint32_t u[], uint32_t cnt);
	void dump(const char* const s, const msmfb_img& ov);
	void dump(const char* const s, const mdp_rect& ov);

	/* and rotator */
	void dump(const char* const s, const msm_rotator_img_info& rot);
	void dump(const char* const s, const msm_rotator_data_info& rot);

	/* info */
	void dump(const char* const s, const fb_fix_screeninfo& finfo);
	void dump(const char* const s, const fb_var_screeninfo& vinfo);

	//---------------Inlines -------------------------------------

	inline bool getFScreenInfo(int fd, fb_fix_screeninfo& finfo) {
	if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo) < 0) {
	ALOGE("Failed to call ioctl FBIOGET_FSCREENINFO err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool getVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
	if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) < 0) {
	ALOGE("Failed to call ioctl FBIOGET_VSCREENINFO err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool setVScreenInfo(int fd, fb_var_screeninfo& vinfo) {
	if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo) < 0) {
	ALOGE("Failed to call ioctl FBIOPUT_VSCREENINFO err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool startRotator(int fd, msm_rotator_img_info& rot) {
	if (ioctl(fd, MSM_ROTATOR_IOCTL_START, &rot) < 0){
	ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_START err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool rotate(int fd, msm_rotator_data_info& rot) {
	if (ioctl(fd, MSM_ROTATOR_IOCTL_ROTATE, &rot) < 0) {
	ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_ROTATE err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool setOverlay(int fd, mdp_overlay& ov) {
	if (ioctl(fd, MSMFB_OVERLAY_SET, &ov) < 0) {
	ALOGE("Failed to call ioctl MSMFB_OVERLAY_SET err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool validateAndSet(const int& fd, mdp_overlay_list& list) {
	if (ioctl(fd, MSMFB_OVERLAY_PREPARE, &list) < 0) {
	ALOGD_IF(IOCTL_DEBUG, "Failed to call ioctl MSMFB_OVERLAY_PREPARE "
	"err=%s", strerror(errno));
	return false;
	}
	return true;
	}

	inline bool endRotator(int fd, uint32_t sessionId) {
	if (ioctl(fd, MSM_ROTATOR_IOCTL_FINISH, &sessionId) < 0) {
	ALOGE("Failed to call ioctl MSM_ROTATOR_IOCTL_FINISH err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool unsetOverlay(int fd, int ovId) {
	if (ioctl(fd, MSMFB_OVERLAY_UNSET, &ovId) < 0) {
	ALOGE("Failed to call ioctl MSMFB_OVERLAY_UNSET err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool getOverlay(int fd, mdp_overlay& ov) {
	if (ioctl(fd, MSMFB_OVERLAY_GET, &ov) < 0) {
	ALOGE("Failed to call ioctl MSMFB_OVERLAY_GET err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool play(int fd, msmfb_overlay_data& od) {
	if (ioctl(fd, MSMFB_OVERLAY_PLAY, &od) < 0) {
	ALOGE("Failed to call ioctl MSMFB_OVERLAY_PLAY err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool set3D(int fd, msmfb_overlay_3d& ov) {
	if (ioctl(fd, MSMFB_OVERLAY_3D, &ov) < 0) {
	ALOGE("Failed to call ioctl MSMFB_OVERLAY_3D err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool displayCommit(int fd, mdp_display_commit& info) {
	if(ioctl(fd, MSMFB_DISPLAY_COMMIT, &info) == -1) {
	ALOGE("Failed to call ioctl MSMFB_DISPLAY_COMMIT err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool wbInitStart(int fbfd) {
	if(ioctl(fbfd, MSMFB_WRITEBACK_INIT, NULL) < 0) {
	ALOGE("Failed to call ioctl MSMFB_WRITEBACK_INIT err=%s",
	strerror(errno));
	return false;
	}
	if(ioctl(fbfd, MSMFB_WRITEBACK_START, NULL) < 0) {
	ALOGE("Failed to call ioctl MSMFB_WRITEBACK_START err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool wbStopTerminate(int fbfd) {
	if(ioctl(fbfd, MSMFB_WRITEBACK_STOP, NULL) < 0) {
	ALOGE("Failed to call ioctl MSMFB_WRITEBACK_STOP err=%s",
	strerror(errno));
	return false;
	}
	if(ioctl(fbfd, MSMFB_WRITEBACK_TERMINATE, NULL) < 0) {
	ALOGE("Failed to call ioctl MSMFB_WRITEBACK_TERMINATE err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool wbQueueBuffer(int fbfd, struct msmfb_data& fbData) {
	if(ioctl(fbfd, MSMFB_WRITEBACK_QUEUE_BUFFER, &fbData) < 0) {
	ALOGE("Failed to call ioctl MSMFB_WRITEBACK_QUEUE_BUFFER err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool wbDequeueBuffer(int fbfd, struct msmfb_data& fbData) {
	if(ioctl(fbfd, MSMFB_WRITEBACK_DEQUEUE_BUFFER, &fbData) < 0) {
	ALOGE("Failed to call ioctl MSMFB_WRITEBACK_DEQUEUE_BUFFER err=%s",
	strerror(errno));
	return false;
	}
	return true;
	}

	inline bool setSecureBuffer(int fbFd, struct msmfb_secure_config& config) {
	if(ioctl(fbFd, MSMFB_SECURE, &config) < 0) {
	ALOGE("Failed to call ioctl MSMFB_SECURE err=%s buf_fd=%d enable=%d",
	strerror(errno), config.fd, config.enable);
	return false;
	}
	return true;
	}

	/* dump funcs */
	inline void dump(const char* const s, const msmfb_overlay_data& ov) {
	ALOGE("%s msmfb_overlay_data id=%d",
	s, ov.id);
	dump("data", ov.data);
	}
	inline void dump(const char* const s, const msmfb_data& ov) {
	ALOGE("%s msmfb_data offset=%d memid=%d id=%d flags=0x%x priv=%d",
	s, ov.offset, ov.memory_id, ov.id, ov.flags, ov.priv);
	}
	inline void dump(const char* const s, const mdp_overlay& ov) {
	ALOGE("%s mdp_overlay z=%d fg=%d alpha=%d mask=%d flags=0x%x id=%d",
	s, ov.z_order, ov.is_fg, ov.alpha,
	ov.transp_mask, ov.flags, ov.id);
	dump("src", ov.src);
	dump("src_rect", ov.src_rect);
	dump("dst_rect", ov.dst_rect);
	/*
	Commented off to prevent verbose logging, since user_data could have 8 or so
	fields which are mostly 0
	dump("user_data", ov.user_data,
	sizeof(ov.user_data)/sizeof(ov.user_data[0]));
	*/
	}
	inline void dump(const char* const s, const msmfb_img& ov) {
	ALOGE("%s msmfb_img w=%d h=%d format=%d %s",
	s, ov.width, ov.height, ov.format,
	overlay::utils::getFormatString(ov.format));
	}
	inline void dump(const char* const s, const mdp_rect& ov) {
	ALOGE("%s mdp_rect x=%d y=%d w=%d h=%d",
	s, ov.x, ov.y, ov.w, ov.h);
	}

	inline void dump(const char* const s, const msmfb_overlay_3d& ov) {
	ALOGE("%s msmfb_overlay_3d 3d=%d w=%d h=%d",
	s, ov.is_3d, ov.width, ov.height);

	}
	inline void dump(const char* const s, const uint32_t u[], uint32_t cnt) {
	ALOGE("%s user_data cnt=%d", s, cnt);
	for(uint32_t i=0; i < cnt; ++i) {
	ALOGE("i=%d val=%d", i, u[i]);
	}
	}
	inline void dump(const char* const s, const msm_rotator_img_info& rot) {
	ALOGE("%s msm_rotator_img_info sessid=%u dstx=%d dsty=%d rot=%d, ena=%d scale=%d",
	s, rot.session_id, rot.dst_x, rot.dst_y,
	rot.rotations, rot.enable, rot.downscale_ratio);
	dump("src", rot.src);
	dump("dst", rot.dst);
	dump("src_rect", rot.src_rect);
	}
	inline void dump(const char* const s, const msm_rotator_data_info& rot) {
	ALOGE("%s msm_rotator_data_info sessid=%u verkey=%d",
	s, rot.session_id, rot.version_key);
	dump("src", rot.src);
	dump("dst", rot.dst);
	dump("src_chroma", rot.src_chroma);
	dump("dst_chroma", rot.dst_chroma);
	}
	inline void dump(const char* const s, const fb_fix_screeninfo& finfo) {
	ALOGE("%s fb_fix_screeninfo type=%d", s, finfo.type);
	}
	inline void dump(const char* const s, const fb_var_screeninfo& vinfo) {
	ALOGE("%s fb_var_screeninfo xres=%d yres=%d",
	s, vinfo.xres, vinfo.yres);
	}

	} // mdp_wrapper

	} // overlay

	#endif // MDP_WRAPPER_H