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/*
* Copyright (C) 2016 Nexell Co., Ltd.
* Author: hyejung, kwon <cjscld15@nexell.co.kr>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <stdint.h>
#include <xf86drm.h>
#include "libdrm_macros.h"
#include "nexell_drm.h"
#include "nexell_drmif.h"
/**
* return gem_fd
*/
drm_public int nx_alloc_gem(int drm_fd, int size, int flags)
{
struct nx_drm_gem_create arg = { 0, };
int ret;
arg.size = (uint64_t)(unsigned int)size;
arg.flags = flags;
ret = drmCommandWriteRead(drm_fd, DRM_NX_GEM_CREATE, &arg,
sizeof(arg));
if (ret) {
perror("drmCommandWriteRead\n");
return ret;
}
return arg.handle;
}
drm_public void nx_free_gem(int drm_fd, int gem)
{
struct drm_gem_close arg = {0, };
int ret;
arg.handle = gem;
ret = drmIoctl(drm_fd, DRM_IOCTL_GEM_CLOSE, &arg);
if (ret)
perror("DRM_IOCTL_GEM_CLOSE failed\n");
}
/**
* return dmabuf fd
*/
drm_public int nx_gem_to_dmafd(int drm_fd, int gem_fd)
{
int ret, fd;
ret = drmPrimeHandleToFD(drm_fd, gem_fd, 0, &fd);
if (ret)
return ret;
return fd;
}
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