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      1 /* Copyright (c) 2013, The Linux Foundation. All rights reserved.
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions are
      5  * met:
      6  *     * Redistributions of source code must retain the above copyright
      7  *       notice, this list of conditions and the following disclaimer.
      8  *     * Redistributions in binary form must reproduce the above
      9  *       copyright notice, this list of conditions and the following
     10  *       disclaimer in the documentation and/or other materials provided
     11  *       with the distribution.
     12  *     * Neither the name of The Linux Foundation nor the names of its
     13  *       contributors may be used to endorse or promote products derived
     14  *       from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #ifndef __MM_JPEG_IONBUF_H__
     31 #define __MM_JPEG_IONBUF_H__
     32 
     33 
     34 #include <stdio.h>
     35 #include <string.h>
     36 #include <linux/msm_ion.h>
     37 #include <sys/mman.h>
     38 #include <unistd.h>
     39 #include <errno.h>
     40 #include <fcntl.h>
     41 #include "mm_jpeg_dbg.h"
     42 
     43 typedef struct  {
     44   struct ion_fd_data ion_info_fd;
     45   struct ion_allocation_data alloc;
     46   int p_pmem_fd;
     47   long size;
     48   int ion_fd;
     49   uint8_t *addr;
     50 } buffer_test_t;
     51 
     52 /** buffer_allocate:
     53  *
     54  *  Arguments:
     55  *     @p_buffer: ION buffer
     56  *
     57  *  Return:
     58  *     buffer address
     59  *
     60  *  Description:
     61  *      allocates ION buffer
     62  *
     63  **/
     64 void* buffer_allocate(buffer_test_t *p_buffer);
     65 
     66 /** buffer_deallocate:
     67  *
     68  *  Arguments:
     69  *     @p_buffer: ION buffer
     70  *
     71  *  Return:
     72  *     buffer address
     73  *
     74  *  Description:
     75  *      deallocates ION buffer
     76  *
     77  **/
     78 int buffer_deallocate(buffer_test_t *p_buffer);
     79 
     80 #endif
     81 
     82