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/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
*
* 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 above copyright notice and this permission notice (including the
* next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* VIA, S3 GRAPHICS, 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.
*/
#ifdef XFree86Server
# include "xf86.h"
# include "xf86_OSproc.h"
# include "xf86_ansic.h"
# define _DRM_MALLOC xalloc
# define _DRM_FREE xfree
# ifndef XFree86LOADER
# include <sys/mman.h>
# endif
#else
# include <stdio.h>
# include <stdlib.h>
# include <unistd.h>
# include <string.h>
# include <ctype.h>
# include <fcntl.h>
# include <errno.h>
# include <signal.h>
# include <sys/types.h>
# include <sys/ioctl.h>
# include <sys/mman.h>
# include <sys/time.h>
# ifdef DRM_USE_MALLOC
# define _DRM_MALLOC malloc
# define _DRM_FREE free
extern int xf86InstallSIGIOHandler(int fd, void (*f)(int, void *), void *);
extern int xf86RemoveSIGIOHandler(int fd);
# else
# include <X11/Xlibint.h>
# define _DRM_MALLOC Xmalloc
# define _DRM_FREE Xfree
# endif
#endif
/* Not all systems have MAP_FAILED defined */
#ifndef MAP_FAILED
#define MAP_FAILED ((void *)-1)
#endif
#ifdef __linux__
#include <sys/sysmacros.h> /* for makedev() */
#endif
#include "xf86drm.h"
#include "xf86drmVIA.h"
#include "drm.h"
#include "via_common.h"
int drmVIAAgpInit(int fd, int offset, int size)
{
drm_via_agp_t agp;
agp.offset = offset;
agp.size = size;
if (ioctl(fd, DRM_IOCTL_VIA_AGP_INIT, &agp) < 0) {
return -errno;
}
else {
return 0;
}
}
int drmVIAFBInit(int fd, int offset, int size)
{
drm_via_fb_t fb;
fb.offset = offset;
fb.size = size;
if (ioctl(fd, DRM_IOCTL_VIA_FB_INIT, &fb) < 0) {
return -errno;
}
else
return 0;
}
int drmVIAInitMAP(int fd, drmVIAInit *info)
{
drm_via_init_t init;
memset(&init, 0, sizeof(drm_via_init_t));
init.func = VIA_INIT_MAP;
init.sarea_priv_offset = info->sarea_priv_offset;
init.fb_offset = info->fb_offset;
init.mmio_offset = info->mmio_offset;
init.agpAddr = info->agpAddr;
if (ioctl(fd, DRM_IOCTL_VIA_MAP_INIT, &init ) < 0) {
return -errno;
}
else
return 0;
}
int drmVIAAllocateDMA(int fd, drmVIADMABuf *buf)
{
if (drmAddMap(fd, 0, buf->size,
DRM_SHM, 0,
&buf->index) < 0) {
return -errno;
}
if (drmMap(fd,(drm_handle_t)buf->index,
buf->size,(drmAddressPtr)(&buf->address)) < 0) {
return -errno;
}
memset(buf->address, 0, buf->size);
return 0;
}
int drmVIAReleaseDMA(int fd, drmVIADMABuf *buf)
{
if (drmUnmap((drmAddress)(buf->address), buf->size) < 0)
return -errno;
return 0;
}
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