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drm/libdrm/xf86drmCompat.c

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/* xf86drmCompat.c -- User-level interface to old DRM device drivers
*
* Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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, 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT 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.
*
* Backwards compatability modules broken out by:
* Jens Owen <jens@tungstengraphics.com>
*
*/
/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drmCompat.c,v 1.1 2002/10/30 12:52:33 alanh Exp $ */
#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 "xf86drmCompat.h"
#include "drm.h"
#include "mga_drm.h"
#include "r128_drm.h"
#include "radeon_drm.h"
#ifndef __FreeBSD__
#include "sis_drm.h"
#include "i810_drm.h"
#include "i830_drm.h"
#endif
/* WARNING: Do not change, or add, anything to this file. It is only provided
* for binary backwards compatability with the old driver specific DRM
* extensions used before XFree86 4.3.
*/
#ifndef __FreeBSD__
/* I810 */
Bool drmI810CleanupDma(int driSubFD)
{
drm_i810_init_t init;
memset(&init, 0, sizeof(drm_i810_init_t));
init.func = I810_CLEANUP_DMA;
if(ioctl(driSubFD, DRM_IOCTL_I810_INIT, &init)) {
return 0; /* FALSE */
}
return 1; /* TRUE */
}
Bool drmI810InitDma(int driSubFD, drmCompatI810Init *info)
{
drm_i810_init_t init;
memset(&init, 0, sizeof(drm_i810_init_t));
init.func = I810_INIT_DMA;
init.mmio_offset = info->mmio_offset;
init.buffers_offset = info->buffers_offset;
init.ring_start = info->start;
init.ring_end = info->end;
init.ring_size = info->size;
init.sarea_priv_offset = info->sarea_off;
init.front_offset = info->front_offset;
init.back_offset = info->back_offset;
init.depth_offset = info->depth_offset;
init.overlay_offset = info->overlay_offset;
init.overlay_physical = info->overlay_physical;
init.w = info->w;
init.h = info->h;
init.pitch = info->pitch;
init.pitch_bits = info->pitch_bits;
if(ioctl(driSubFD, DRM_IOCTL_I810_INIT, &init)) {
return 0; /* FALSE */
}
return 1; /* TRUE */
}
#endif /* __FreeBSD__ */
/* Mga */
#define MGA_IDLE_RETRY 2048
int drmMGAInitDMA( int fd, drmCompatMGAInit *info )
{
drm_mga_init_t init;
memset( &init, 0, sizeof(drm_mga_init_t) );
init.func = MGA_INIT_DMA;
init.sarea_priv_offset = info->sarea_priv_offset;
init.sgram = info->sgram;
init.chipset = info->chipset;
init.maccess = info->maccess;
init.fb_cpp = info->fb_cpp;
init.front_offset = info->front_offset;
init.front_pitch = info->front_pitch;
init.back_offset = info->back_offset;
init.back_pitch = info->back_pitch;
init.depth_cpp = info->depth_cpp;
init.depth_offset = info->depth_offset;
init.depth_pitch = info->depth_pitch;
init.texture_offset[0] = info->texture_offset[0];
init.texture_size[0] = info->texture_size[0];
init.texture_offset[1] = info->texture_offset[1];
init.texture_size[1] = info->texture_size[1];
init.fb_offset = info->fb_offset;
init.mmio_offset = info->mmio_offset;
init.status_offset = info->status_offset;
init.warp_offset = info->warp_offset;
init.primary_offset = info->primary_offset;
init.buffers_offset = info->buffers_offset;
if ( ioctl( fd, DRM_IOCTL_MGA_INIT, &init ) ) {
return -errno;
} else {
return 0;
}
}
int drmMGACleanupDMA( int fd )
{
drm_mga_init_t init;
memset( &init, 0, sizeof(drm_mga_init_t) );
init.func = MGA_CLEANUP_DMA;
if ( ioctl( fd, DRM_IOCTL_MGA_INIT, &init ) ) {
return -errno;
} else {
return 0;
}
}
int drmMGAFlushDMA( int fd, drmLockFlags flags )
{
drm_lock_t lock;
int ret, i = 0;
memset( &lock, 0, sizeof(drm_lock_t) );
if ( flags & DRM_LOCK_QUIESCENT ) lock.flags |= _DRM_LOCK_QUIESCENT;
if ( flags & DRM_LOCK_FLUSH ) lock.flags |= _DRM_LOCK_FLUSH;
if ( flags & DRM_LOCK_FLUSH_ALL ) lock.flags |= _DRM_LOCK_FLUSH_ALL;
do {
ret = ioctl( fd, DRM_IOCTL_MGA_FLUSH, &lock );
} while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
if ( ret == 0 )
return 0;
if ( errno != EBUSY )
return -errno;
if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
/* Only keep trying if we need quiescence.
*/
lock.flags &= ~(_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL);
do {
ret = ioctl( fd, DRM_IOCTL_MGA_FLUSH, &lock );
} while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
}
if ( ret == 0 ) {
return 0;
} else {
return -errno;
}
}
int drmMGAEngineReset( int fd )
{
if ( ioctl( fd, DRM_IOCTL_MGA_RESET, NULL ) ) {
return -errno;
} else {
return 0;
}
}
int drmMGAFullScreen( int fd, int enable )
{
return -EINVAL;
}
int drmMGASwapBuffers( int fd )
{
int ret, i = 0;
do {
ret = ioctl( fd, DRM_IOCTL_MGA_SWAP, NULL );
} while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
if ( ret == 0 ) {
return 0;
} else {
return -errno;
}
}
int drmMGAClear( int fd, unsigned int flags,
unsigned int clear_color, unsigned int clear_depth,
unsigned int color_mask, unsigned int depth_mask )
{
drm_mga_clear_t clear;
int ret, i = 0;
clear.flags = flags;
clear.clear_color = clear_color;
clear.clear_depth = clear_depth;
clear.color_mask = color_mask;
clear.depth_mask = depth_mask;
do {
ret = ioctl( fd, DRM_IOCTL_MGA_CLEAR, &clear );
} while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
if ( ret == 0 ) {
return 0;
} else {
return -errno;
}
}
int drmMGAFlushVertexBuffer( int fd, int index, int used, int discard )
{
drm_mga_vertex_t vertex;
vertex.idx = index;
vertex.used = used;
vertex.discard = discard;
if ( ioctl( fd, DRM_IOCTL_MGA_VERTEX, &vertex ) ) {
return -errno;
} else {
return 0;
}
}
int drmMGAFlushIndices( int fd, int index, int start, int end, int discard )
{
drm_mga_indices_t indices;
indices.idx = index;
indices.start = start;
indices.end = end;
indices.discard = discard;
if ( ioctl( fd, DRM_IOCTL_MGA_INDICES, &indices ) ) {
return -errno;
} else {
return 0;
}
}
int drmMGATextureLoad( int fd, int index,
unsigned int dstorg, unsigned int length )
{
drm_mga_iload_t iload;
int ret, i = 0;
iload.idx = index;
iload.dstorg = dstorg;
iload.length = length;
do {
ret = ioctl( fd, DRM_IOCTL_MGA_ILOAD, &iload );
} while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
if ( ret == 0 ) {
return 0;
} else {
return -errno;
}
}
int drmMGAAgpBlit( int fd, unsigned int planemask,
unsigned int src_offset, int src_pitch,
unsigned int dst_offset, int dst_pitch,
int delta_sx, int delta_sy,
int delta_dx, int delta_dy,
int height, int ydir )
{
drm_mga_blit_t blit;
int ret, i = 0;
blit.planemask = planemask;
blit.srcorg = src_offset;
blit.dstorg = dst_offset;
blit.src_pitch = src_pitch;
blit.dst_pitch = dst_pitch;
blit.delta_sx = delta_sx;
blit.delta_sy = delta_sy;
blit.delta_dx = delta_dx;
blit.delta_dx = delta_dx;
blit.height = height;
blit.ydir = ydir;
do {
ret = ioctl( fd, DRM_IOCTL_MGA_BLIT, &blit );
} while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
if ( ret == 0 ) {
return 0;
} else {
return -errno;
}
}
/* R128 */
#define R128_BUFFER_RETRY 32
#define R128_IDLE_RETRY 32
int drmR128InitCCE( int fd, drmCompatR128Init *info )
{
drm_r128_init_t init;
memset( &init, 0, sizeof(drm_r128_init_t) );
init.func = R128_INIT_CCE;
init.sarea_priv_offset = info->sarea_priv_offset;
init.is_pci = info->is_pci;
init.cce_mode = info->cce_mode;
init.cce_secure = info->cce_secure;
init.ring_size = info->ring_size;
init.usec_timeout = info->usec_timeout;
init.fb_bpp = info->fb_bpp;
init.front_offset = info->front_offset;
init.front_pitch = info->front_pitch;
init.back_offset = info->back_offset;
init.back_pitch = info->back_pitch;
init.depth_bpp = info->depth_bpp;
init.depth_offset = info->depth_offset;
init.depth_pitch = info->depth_pitch;
init.span_offset = info->span_offset;
init.fb_offset = info->fb_offset;
init.mmio_offset = info->mmio_offset;
init.ring_offset = info->ring_offset;
init.ring_rptr_offset = info->ring_rptr_offset;
init.buffers_offset = info->buffers_offset;
init.agp_textures_offset = info->agp_textures_offset;
if ( ioctl( fd, DRM_IOCTL_R128_INIT, &init ) ) {
return -errno;
} else {
return 0;
}
}
int drmR128CleanupCCE( int fd )
{
drm_r128_init_t init;
memset( &init, 0, sizeof(drm_r128_init_t) );
init.func = R128_CLEANUP_CCE;
if ( ioctl( fd, DRM_IOCTL_R128_INIT, &init ) ) {
return -errno;
} else {
return 0;
}
}
int drmR128StartCCE( int fd )
{
if ( ioctl( fd, DRM_IOCTL_R128_CCE_START, NULL ) ) {
return -errno;
} else {
return 0;
}
}
int drmR128StopCCE( int fd )
{
drm_r128_cce_stop_t stop;
int ret, i = 0;
stop.flush = 1;
stop.idle = 1;
ret = ioctl( fd, DRM_IOCTL_R128_CCE_STOP, &stop );
if ( ret == 0 ) {
return 0;
} else if ( errno != EBUSY ) {
return -errno;
}
stop.flush = 0;
do {
ret = ioctl( fd, DRM_IOCTL_R128_CCE_STOP, &stop );
} while ( ret && errno == EBUSY && i++ < R128_IDLE_RETRY );
if ( ret == 0 ) {
return 0;
} else if ( errno != EBUSY ) {
return -errno;
}
stop.idle = 0;
if ( ioctl( fd, DRM_IOCTL_R128_CCE_STOP, &stop ) ) {
return -errno;
} else {
return 0;
}
}
int drmR128ResetCCE( int fd )
{
if ( ioctl( fd, DRM_IOCTL_R128_CCE_RESET, NULL ) ) {
return -errno;
} else {
return 0;
}
}
int drmR128WaitForIdleCCE( int fd )
{
int ret, i = 0;
do {
ret = ioctl( fd, DRM_IOCTL_R128_CCE_IDLE, NULL );
} while ( ret && errno == EBUSY && i++ < R128_IDLE_RETRY );
if ( ret == 0 ) {
return 0;
} else {
return -errno;
}
}
int drmR128EngineReset( int fd )
{
if ( ioctl( fd, DRM_IOCTL_R128_RESET, NULL ) ) {
return -errno;
} else {
return 0;
}
}
int drmR128FullScreen( int fd, int enable )
{
drm_r128_fullscreen_t fs;
if ( enable ) {
fs.func = R128_INIT_FULLSCREEN;
} else {
fs.func = R128_CLEANUP_FULLSCREEN;
}
if ( ioctl( fd, DRM_IOCTL_R128_FULLSCREEN, &fs ) ) {
return -errno;
} else {
return 0;
}
}
int drmR128SwapBuffers( int fd )
{
if ( ioctl( fd, DRM_IOCTL_R128_SWAP, NULL ) ) {
return -errno;
} else {
return 0;
}
}
int drmR128Clear( int fd, unsigned int flags,
unsigned int clear_color, unsigned int clear_depth,
unsigned int color_mask, unsigned int depth_mask )
{
drm_r128_clear_t clear;
clear.flags = flags;
clear.clear_color = clear_color;
clear.clear_depth = clear_depth;
clear.color_mask = color_mask;
clear.depth_mask = depth_mask;
if ( ioctl( fd, DRM_IOCTL_R128_CLEAR, &clear ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmR128FlushVertexBuffer( int fd, int prim, int index,
int count, int discard )
{
drm_r128_vertex_t v;
v.prim = prim;
v.idx = index;
v.count = count;
v.discard = discard;
if ( ioctl( fd, DRM_IOCTL_R128_VERTEX, &v ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmR128FlushIndices( int fd, int prim, int index,
int start, int end, int discard )
{
drm_r128_indices_t elts;
elts.prim = prim;
elts.idx = index;
elts.start = start;
elts.end = end;
elts.discard = discard;
if ( ioctl( fd, DRM_IOCTL_R128_INDICES, &elts ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmR128TextureBlit( int fd, int index,
int offset, int pitch, int format,
int x, int y, int width, int height )
{
drm_r128_blit_t blit;
blit.idx = index;
blit.offset = offset;
blit.pitch = pitch;
blit.format = format;
blit.x = x;
blit.y = y;
blit.width = width;
blit.height = height;
if ( ioctl( fd, DRM_IOCTL_R128_BLIT, &blit ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmR128WriteDepthSpan( int fd, int n, int x, int y,
const unsigned int depth[],
const unsigned char mask[] )
{
drm_r128_depth_t d;
d.func = R128_WRITE_SPAN;
d.n = n;
d.x = &x;
d.y = &y;
d.buffer = (unsigned int *)depth;
d.mask = (unsigned char *)mask;
if ( ioctl( fd, DRM_IOCTL_R128_DEPTH, &d ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmR128WriteDepthPixels( int fd, int n,
const int x[], const int y[],
const unsigned int depth[],
const unsigned char mask[] )
{
drm_r128_depth_t d;
d.func = R128_WRITE_PIXELS;
d.n = n;
d.x = (int *)x;
d.y = (int *)y;
d.buffer = (unsigned int *)depth;
d.mask = (unsigned char *)mask;
if ( ioctl( fd, DRM_IOCTL_R128_DEPTH, &d ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmR128ReadDepthSpan( int fd, int n, int x, int y )
{
drm_r128_depth_t d;
d.func = R128_READ_SPAN;
d.n = n;
d.x = &x;
d.y = &y;
d.buffer = NULL;
d.mask = NULL;
if ( ioctl( fd, DRM_IOCTL_R128_DEPTH, &d ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmR128ReadDepthPixels( int fd, int n,
const int x[], const int y[] )
{
drm_r128_depth_t d;
d.func = R128_READ_PIXELS;
d.n = n;
d.x = (int *)x;
d.y = (int *)y;
d.buffer = NULL;
d.mask = NULL;
if ( ioctl( fd, DRM_IOCTL_R128_DEPTH, &d ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmR128PolygonStipple( int fd, unsigned int *mask )
{
drm_r128_stipple_t stipple;
stipple.mask = mask;
if ( ioctl( fd, DRM_IOCTL_R128_STIPPLE, &stipple ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmR128FlushIndirectBuffer( int fd, int index,
int start, int end, int discard )
{
drm_r128_indirect_t ind;
ind.idx = index;
ind.start = start;
ind.end = end;
ind.discard = discard;
if ( ioctl( fd, DRM_IOCTL_R128_INDIRECT, &ind ) < 0 ) {
return -errno;
} else {
return 0;
}
}
/* Radeon */
#define RADEON_BUFFER_RETRY 32
#define RADEON_IDLE_RETRY 16
int drmRadeonInitCP( int fd, drmCompatRadeonInit *info )
{
drm_radeon_init_t init;
memset( &init, 0, sizeof(drm_radeon_init_t) );
init.func = RADEON_INIT_CP;
init.sarea_priv_offset = info->sarea_priv_offset;
init.is_pci = info->is_pci;
init.cp_mode = info->cp_mode;
init.agp_size = info->agp_size;
init.ring_size = info->ring_size;
init.usec_timeout = info->usec_timeout;
init.fb_bpp = info->fb_bpp;
init.front_offset = info->front_offset;
init.front_pitch = info->front_pitch;
init.back_offset = info->back_offset;
init.back_pitch = info->back_pitch;
init.depth_bpp = info->depth_bpp;
init.depth_offset = info->depth_offset;
init.depth_pitch = info->depth_pitch;
init.fb_offset = info->fb_offset;
init.mmio_offset = info->mmio_offset;
init.ring_offset = info->ring_offset;
init.ring_rptr_offset = info->ring_rptr_offset;
init.buffers_offset = info->buffers_offset;
init.agp_textures_offset = info->agp_textures_offset;
if ( ioctl( fd, DRM_IOCTL_RADEON_CP_INIT, &init ) ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonCleanupCP( int fd )
{
drm_radeon_init_t init;
memset( &init, 0, sizeof(drm_radeon_init_t) );
init.func = RADEON_CLEANUP_CP;
if ( ioctl( fd, DRM_IOCTL_RADEON_CP_INIT, &init ) ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonStartCP( int fd )
{
if ( ioctl( fd, DRM_IOCTL_RADEON_CP_START, NULL ) ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonStopCP( int fd )
{
drm_radeon_cp_stop_t stop;
int ret, i = 0;
stop.flush = 1;
stop.idle = 1;
ret = ioctl( fd, DRM_IOCTL_RADEON_CP_STOP, &stop );
if ( ret == 0 ) {
return 0;
} else if ( errno != EBUSY ) {
return -errno;
}
stop.flush = 0;
do {
ret = ioctl( fd, DRM_IOCTL_RADEON_CP_STOP, &stop );
} while ( ret && errno == EBUSY && i++ < RADEON_IDLE_RETRY );
if ( ret == 0 ) {
return 0;
} else if ( errno != EBUSY ) {
return -errno;
}
stop.idle = 0;
if ( ioctl( fd, DRM_IOCTL_RADEON_CP_STOP, &stop ) ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonResetCP( int fd )
{
if ( ioctl( fd, DRM_IOCTL_RADEON_CP_RESET, NULL ) ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonWaitForIdleCP( int fd )
{
int ret, i = 0;
do {
ret = ioctl( fd, DRM_IOCTL_RADEON_CP_IDLE, NULL );
} while ( ret && errno == EBUSY && i++ < RADEON_IDLE_RETRY );
if ( ret == 0 ) {
return 0;
} else {
return -errno;
}
}
int drmRadeonEngineReset( int fd )
{
if ( ioctl( fd, DRM_IOCTL_RADEON_RESET, NULL ) ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonFullScreen( int fd, int enable )
{
drm_radeon_fullscreen_t fs;
if ( enable ) {
fs.func = RADEON_INIT_FULLSCREEN;
} else {
fs.func = RADEON_CLEANUP_FULLSCREEN;
}
if ( ioctl( fd, DRM_IOCTL_RADEON_FULLSCREEN, &fs ) ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonSwapBuffers( int fd )
{
if ( ioctl( fd, DRM_IOCTL_RADEON_SWAP, NULL ) ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonClear( int fd, unsigned int flags,
unsigned int clear_color, unsigned int clear_depth,
unsigned int color_mask, unsigned int stencil,
void *b, int nbox )
{
drm_radeon_clear_t clear;
drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS];
drm_clip_rect_t *boxes = (drm_clip_rect_t *)b;
int i;
clear.flags = flags;
clear.clear_color = clear_color;
clear.clear_depth = clear_depth;
clear.color_mask = color_mask;
clear.depth_mask = stencil; /* misnamed field in ioctl */
clear.depth_boxes = depth_boxes;
/* We can remove this when we do real depth clears, instead of
* rendering a rectangle into the depth buffer. This prevents
* floating point calculations being done in the kernel.
*/
for ( i = 0 ; i < nbox ; i++ ) {
depth_boxes[i].f[CLEAR_X1] = (float)boxes[i].x1;
depth_boxes[i].f[CLEAR_Y1] = (float)boxes[i].y1;
depth_boxes[i].f[CLEAR_X2] = (float)boxes[i].x2;
depth_boxes[i].f[CLEAR_Y2] = (float)boxes[i].y2;
depth_boxes[i].f[CLEAR_DEPTH] = (float)clear_depth;
}
if ( ioctl( fd, DRM_IOCTL_RADEON_CLEAR, &clear ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonFlushVertexBuffer( int fd, int prim, int index,
int count, int discard )
{
drm_radeon_vertex_t v;
v.prim = prim;
v.idx = index;
v.count = count;
v.discard = discard;
if ( ioctl( fd, DRM_IOCTL_RADEON_VERTEX, &v ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonFlushIndices( int fd, int prim, int index,
int start, int end, int discard )
{
drm_radeon_indices_t elts;
elts.prim = prim;
elts.idx = index;
elts.start = start;
elts.end = end;
elts.discard = discard;
if ( ioctl( fd, DRM_IOCTL_RADEON_INDICES, &elts ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonLoadTexture( int fd, int offset, int pitch, int format, int width,
int height, drmCompatRadeonTexImage *image )
{
drm_radeon_texture_t tex;
drm_radeon_tex_image_t tmp;
int ret;
tex.offset = offset;
tex.pitch = pitch;
tex.format = format;
tex.width = width;
tex.height = height;
tex.image = &tmp;
/* This gets updated by the kernel when a multipass blit is needed.
*/
memcpy( &tmp, image, sizeof(drm_radeon_tex_image_t) );
do {
ret = ioctl( fd, DRM_IOCTL_RADEON_TEXTURE, &tex );
} while ( ret && errno == EAGAIN );
if ( ret == 0 ) {
return 0;
} else {
return -errno;
}
}
int drmRadeonPolygonStipple( int fd, unsigned int *mask )
{
drm_radeon_stipple_t stipple;
stipple.mask = mask;
if ( ioctl( fd, DRM_IOCTL_RADEON_STIPPLE, &stipple ) < 0 ) {
return -errno;
} else {
return 0;
}
}
int drmRadeonFlushIndirectBuffer( int fd, int index,
int start, int end, int discard )
{
drm_radeon_indirect_t ind;
ind.idx = index;
ind.start = start;
ind.end = end;
ind.discard = discard;
if ( ioctl( fd, DRM_IOCTL_RADEON_INDIRECT, &ind ) < 0 ) {
return -errno;
} else {
return 0;
}
}
#ifndef __FreeBSD__
/* SiS */
Bool drmSiSAgpInit(int driSubFD, int offset, int size)
{
drm_sis_agp_t agp;
agp.offset = offset;
agp.size = size;
ioctl(driSubFD, SIS_IOCTL_AGP_INIT, &agp);
return 1; /* TRUE */
}
/* I830 */
Bool drmI830CleanupDma(int driSubFD)
{
drm_i830_init_t init;
memset(&init, 0, sizeof(drm_i830_init_t));
init.func = I810_CLEANUP_DMA;
if(ioctl(driSubFD, DRM_IOCTL_I830_INIT, &init)) {
return 0; /* FALSE */
}
return 1; /* TRUE */
}
Bool drmI830InitDma(int driSubFD, drmCompatI830Init *info)
{
drm_i830_init_t init;
memset(&init, 0, sizeof(drm_i830_init_t));
init.func = I810_INIT_DMA;
init.mmio_offset = info->mmio_offset;
init.buffers_offset = info->buffers_offset;
init.ring_start = info->start;
init.ring_end = info->end;
init.ring_size = info->size;
init.sarea_priv_offset = info->sarea_off;
init.front_offset = info->front_offset;
init.back_offset = info->back_offset;
init.depth_offset = info->depth_offset;
init.w = info->w;
init.h = info->h;
init.pitch = info->pitch;
init.pitch_bits = info->pitch_bits;
init.back_pitch = info->pitch;
init.depth_pitch = info->pitch;
init.cpp = info->cpp;
if(ioctl(driSubFD, DRM_IOCTL_I830_INIT, &init)) {
return 0; /* FALSE */
}
return 1; /* TRUE */
}
#endif /* __FreeBSD__ */
/* WARNING: Do not change, or add, anything to this file. It is only provided
* for binary backwards compatability with the old driver specific DRM
* extensions used before XFree86 4.3.
*/
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