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/*
* DRM based fimc test program
* Copyright 2012 Samsung Electronics
* Eunchul Kim <chulspro.kim@sasmsung.com>
*
* 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, sublicense,
* 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 above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include "xf86drm.h"
#include "xf86drmMode.h"
#include "libkms.h"
#include "exynos_drm.h"
#include "gem.h"
int exynos_gem_create(int fd, struct drm_exynos_gem_create *gem)
{
int ret = 0;
if (!gem) {
fprintf(stderr, "gem object is null.\n");
return -EFAULT;
}
ret = ioctl(fd, DRM_IOCTL_EXYNOS_GEM_CREATE, gem);
if (ret < 0)
fprintf(stderr, "failed to create gem buffer: %s\n",
strerror(-ret));
return ret;
}
int exynos_gem_mmap(int fd, struct exynos_gem_mmap_data *in_mmap)
{
int ret;
void *map;
struct drm_mode_map_dumb arg;
memset(&arg, 0, sizeof(arg));
arg.handle = in_mmap->handle;
ret = ioctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
if (ret) {
fprintf(stderr, "failed to map dumb buffer: %s\n",
strerror(errno));
return ret;
}
in_mmap->offset = arg.offset;
map = mmap(NULL, (size_t)in_mmap->size, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, (off_t)arg.offset);
if (map == MAP_FAILED) {
fprintf(stderr, "failed to mmap buffer: %s\n",
strerror(errno));
return -EFAULT;
}
in_mmap->addr = map;
return 0;
}
int exynos_gem_close(int fd, struct drm_gem_close *gem_close)
{
int ret = 0;
ret = ioctl(fd, DRM_IOCTL_GEM_CLOSE, gem_close);
if (ret < 0)
fprintf(stderr, "failed to close: %s\n", strerror(-ret));
return ret;
}
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