drm/shared-core/r128_state.c

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/* r128_state.c -- State support for r128 -*- linux-c -*-
* Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com
*
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* 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.
*
* Authors:
* Gareth Hughes <gareth@valinux.com>
*/
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#include "r128.h"
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#include "drmP.h"
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#include "drm.h"
#include "r128_drm.h"
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#include "r128_drv.h"
/* ================================================================
* CCE hardware state programming functions
*/
static void r128_emit_clip_rects( drm_r128_private_t *dev_priv,
drm_clip_rect_t *boxes, int count )
{
u32 aux_sc_cntl = 0x00000000;
RING_LOCALS;
DRM_DEBUG( " %s\n", __FUNCTION__ );
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BEGIN_RING( 17 );
if ( count >= 1 ) {
OUT_RING( CCE_PACKET0( R128_AUX1_SC_LEFT, 3 ) );
OUT_RING( boxes[0].x1 );
OUT_RING( boxes[0].x2 - 1 );
OUT_RING( boxes[0].y1 );
OUT_RING( boxes[0].y2 - 1 );
aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR);
}
if ( count >= 2 ) {
OUT_RING( CCE_PACKET0( R128_AUX2_SC_LEFT, 3 ) );
OUT_RING( boxes[1].x1 );
OUT_RING( boxes[1].x2 - 1 );
OUT_RING( boxes[1].y1 );
OUT_RING( boxes[1].y2 - 1 );
aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR);
}
if ( count >= 3 ) {
OUT_RING( CCE_PACKET0( R128_AUX3_SC_LEFT, 3 ) );
OUT_RING( boxes[2].x1 );
OUT_RING( boxes[2].x2 - 1 );
OUT_RING( boxes[2].y1 );
OUT_RING( boxes[2].y2 - 1 );
aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR);
}
OUT_RING( CCE_PACKET0( R128_AUX_SC_CNTL, 0 ) );
OUT_RING( aux_sc_cntl );
ADVANCE_RING();
}
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static __inline__ void r128_emit_core( drm_r128_private_t *dev_priv )
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{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG( " %s\n", __FUNCTION__ );
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BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_SCALE_3D_CNTL, 0 ) );
OUT_RING( ctx->scale_3d_cntl );
ADVANCE_RING();
}
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static __inline__ void r128_emit_context( drm_r128_private_t *dev_priv )
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{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG( " %s\n", __FUNCTION__ );
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BEGIN_RING( 13 );
OUT_RING( CCE_PACKET0( R128_DST_PITCH_OFFSET_C, 11 ) );
OUT_RING( ctx->dst_pitch_offset_c );
OUT_RING( ctx->dp_gui_master_cntl_c );
OUT_RING( ctx->sc_top_left_c );
OUT_RING( ctx->sc_bottom_right_c );
OUT_RING( ctx->z_offset_c );
OUT_RING( ctx->z_pitch_c );
OUT_RING( ctx->z_sten_cntl_c );
OUT_RING( ctx->tex_cntl_c );
OUT_RING( ctx->misc_3d_state_cntl_reg );
OUT_RING( ctx->texture_clr_cmp_clr_c );
OUT_RING( ctx->texture_clr_cmp_msk_c );
OUT_RING( ctx->fog_color_c );
ADVANCE_RING();
}
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static __inline__ void r128_emit_setup( drm_r128_private_t *dev_priv )
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{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG( " %s\n", __FUNCTION__ );
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BEGIN_RING( 3 );
OUT_RING( CCE_PACKET1( R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP ) );
OUT_RING( ctx->setup_cntl );
OUT_RING( ctx->pm4_vc_fpu_setup );
ADVANCE_RING();
}
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static __inline__ void r128_emit_masks( drm_r128_private_t *dev_priv )
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{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG( " %s\n", __FUNCTION__ );
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BEGIN_RING( 5 );
OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) );
OUT_RING( ctx->dp_write_mask );
OUT_RING( CCE_PACKET0( R128_STEN_REF_MASK_C, 1 ) );
OUT_RING( ctx->sten_ref_mask_c );
OUT_RING( ctx->plane_3d_mask_c );
ADVANCE_RING();
}
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static __inline__ void r128_emit_window( drm_r128_private_t *dev_priv )
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{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG( " %s\n", __FUNCTION__ );
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BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_WINDOW_XY_OFFSET, 0 ) );
OUT_RING( ctx->window_xy_offset );
ADVANCE_RING();
}
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static __inline__ void r128_emit_tex0( drm_r128_private_t *dev_priv )
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{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0];
int i;
RING_LOCALS;
DRM_DEBUG( " %s\n", __FUNCTION__ );
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BEGIN_RING( 7 + R128_MAX_TEXTURE_LEVELS );
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OUT_RING( CCE_PACKET0( R128_PRIM_TEX_CNTL_C,
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2 + R128_MAX_TEXTURE_LEVELS ) );
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OUT_RING( tex->tex_cntl );
OUT_RING( tex->tex_combine_cntl );
OUT_RING( ctx->tex_size_pitch_c );
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for ( i = 0 ; i < R128_MAX_TEXTURE_LEVELS ; i++ ) {
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OUT_RING( tex->tex_offset[i] );
}
OUT_RING( CCE_PACKET0( R128_CONSTANT_COLOR_C, 1 ) );
OUT_RING( ctx->constant_color_c );
OUT_RING( tex->tex_border_color );
ADVANCE_RING();
}
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static __inline__ void r128_emit_tex1( drm_r128_private_t *dev_priv )
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{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1];
int i;
RING_LOCALS;
DRM_DEBUG( " %s\n", __FUNCTION__ );
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BEGIN_RING( 5 + R128_MAX_TEXTURE_LEVELS );
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OUT_RING( CCE_PACKET0( R128_SEC_TEX_CNTL_C,
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1 + R128_MAX_TEXTURE_LEVELS ) );
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OUT_RING( tex->tex_cntl );
OUT_RING( tex->tex_combine_cntl );
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for ( i = 0 ; i < R128_MAX_TEXTURE_LEVELS ; i++ ) {
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OUT_RING( tex->tex_offset[i] );
}
OUT_RING( CCE_PACKET0( R128_SEC_TEXTURE_BORDER_COLOR_C, 0 ) );
OUT_RING( tex->tex_border_color );
ADVANCE_RING();
}
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static __inline__ void r128_emit_state( drm_r128_private_t *dev_priv )
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{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
unsigned int dirty = sarea_priv->dirty;
DRM_DEBUG( "%s: dirty=0x%08x\n", __FUNCTION__, dirty );
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if ( dirty & R128_UPLOAD_CORE ) {
r128_emit_core( dev_priv );
sarea_priv->dirty &= ~R128_UPLOAD_CORE;
}
if ( dirty & R128_UPLOAD_CONTEXT ) {
r128_emit_context( dev_priv );
sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT;
}
if ( dirty & R128_UPLOAD_SETUP ) {
r128_emit_setup( dev_priv );
sarea_priv->dirty &= ~R128_UPLOAD_SETUP;
}
if ( dirty & R128_UPLOAD_MASKS ) {
r128_emit_masks( dev_priv );
sarea_priv->dirty &= ~R128_UPLOAD_MASKS;
}
if ( dirty & R128_UPLOAD_WINDOW ) {
r128_emit_window( dev_priv );
sarea_priv->dirty &= ~R128_UPLOAD_WINDOW;
}
if ( dirty & R128_UPLOAD_TEX0 ) {
r128_emit_tex0( dev_priv );
sarea_priv->dirty &= ~R128_UPLOAD_TEX0;
}
if ( dirty & R128_UPLOAD_TEX1 ) {
r128_emit_tex1( dev_priv );
sarea_priv->dirty &= ~R128_UPLOAD_TEX1;
}
/* Turn off the texture cache flushing */
sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH;
sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE;
}
#if R128_PERFORMANCE_BOXES
/* ================================================================
* Performance monitoring functions
*/
static void r128_clear_box( drm_r128_private_t *dev_priv,
int x, int y, int w, int h,
int r, int g, int b )
{
u32 pitch, offset;
u32 fb_bpp, color;
RING_LOCALS;
switch ( dev_priv->fb_bpp ) {
case 16:
fb_bpp = R128_GMC_DST_16BPP;
color = (((r & 0xf8) << 8) |
((g & 0xfc) << 3) |
((b & 0xf8) >> 3));
break;
case 24:
fb_bpp = R128_GMC_DST_24BPP;
color = ((r << 16) | (g << 8) | b);
break;
case 32:
fb_bpp = R128_GMC_DST_32BPP;
color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
break;
default:
return;
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}
offset = dev_priv->back_offset;
pitch = dev_priv->back_pitch >> 3;
BEGIN_RING( 6 );
OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
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OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
fb_bpp |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS );
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OUT_RING( (pitch << 21) | (offset >> 5) );
OUT_RING( color );
OUT_RING( (x << 16) | y );
OUT_RING( (w << 16) | h );
ADVANCE_RING();
}
static void r128_cce_performance_boxes( drm_r128_private_t *dev_priv )
{
if ( atomic_read( &dev_priv->idle_count ) == 0 ) {
r128_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 );
} else {
atomic_set( &dev_priv->idle_count, 0 );
}
}
#endif
/* ================================================================
* CCE command dispatch functions
*/
static void r128_print_dirty( const char *msg, unsigned int flags )
{
DRM_INFO( "%s: (0x%x) %s%s%s%s%s%s%s%s%s\n",
msg,
flags,
(flags & R128_UPLOAD_CORE) ? "core, " : "",
(flags & R128_UPLOAD_CONTEXT) ? "context, " : "",
(flags & R128_UPLOAD_SETUP) ? "setup, " : "",
(flags & R128_UPLOAD_TEX0) ? "tex0, " : "",
(flags & R128_UPLOAD_TEX1) ? "tex1, " : "",
(flags & R128_UPLOAD_MASKS) ? "masks, " : "",
(flags & R128_UPLOAD_WINDOW) ? "window, " : "",
(flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "",
(flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "" );
}
static void r128_cce_dispatch_clear( drm_device_t *dev,
drm_r128_clear_t *clear )
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{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
int nbox = sarea_priv->nbox;
drm_clip_rect_t *pbox = sarea_priv->boxes;
unsigned int flags = clear->flags;
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int i;
RING_LOCALS;
DRM_DEBUG( "%s\n", __FUNCTION__ );
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if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) {
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unsigned int tmp = flags;
flags &= ~(R128_FRONT | R128_BACK);
if ( tmp & R128_FRONT ) flags |= R128_BACK;
if ( tmp & R128_BACK ) flags |= R128_FRONT;
}
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for ( i = 0 ; i < nbox ; i++ ) {
int x = pbox[i].x1;
int y = pbox[i].y1;
int w = pbox[i].x2 - x;
int h = pbox[i].y2 - y;
DRM_DEBUG( "dispatch clear %d,%d-%d,%d flags 0x%x\n",
pbox[i].x1, pbox[i].y1, pbox[i].x2,
pbox[i].y2, flags );
if ( flags & (R128_FRONT | R128_BACK) ) {
BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) );
OUT_RING( clear->color_mask );
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ADVANCE_RING();
}
if ( flags & R128_FRONT ) {
BEGIN_RING( 6 );
OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
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OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->color_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS );
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OUT_RING( dev_priv->front_pitch_offset_c );
OUT_RING( clear->clear_color );
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OUT_RING( (x << 16) | y );
OUT_RING( (w << 16) | h );
ADVANCE_RING();
}
if ( flags & R128_BACK ) {
BEGIN_RING( 6 );
OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
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OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->color_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS );
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OUT_RING( dev_priv->back_pitch_offset_c );
OUT_RING( clear->clear_color );
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OUT_RING( (x << 16) | y );
OUT_RING( (w << 16) | h );
ADVANCE_RING();
}
if ( flags & R128_DEPTH ) {
BEGIN_RING( 6 );
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OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
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OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS |
R128_GMC_WR_MSK_DIS );
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OUT_RING( dev_priv->depth_pitch_offset_c );
OUT_RING( clear->clear_depth );
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OUT_RING( (x << 16) | y );
OUT_RING( (w << 16) | h );
ADVANCE_RING();
}
}
}
static void r128_cce_dispatch_swap( drm_device_t *dev )
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
int nbox = sarea_priv->nbox;
drm_clip_rect_t *pbox = sarea_priv->boxes;
int i;
RING_LOCALS;
DRM_DEBUG( "%s\n", __FUNCTION__ );
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#if R128_PERFORMANCE_BOXES
/* Do some trivial performance monitoring...
*/
r128_cce_performance_boxes( dev_priv );
#endif
for ( i = 0 ; i < nbox ; i++ ) {
int x = pbox[i].x1;
int y = pbox[i].y1;
int w = pbox[i].x2 - x;
int h = pbox[i].y2 - y;
BEGIN_RING( 7 );
OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) );
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OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL |
R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_NONE |
(dev_priv->color_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_S |
R128_DP_SRC_SOURCE_MEMORY |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS |
R128_GMC_WR_MSK_DIS );
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OUT_RING( dev_priv->back_pitch_offset_c );
OUT_RING( dev_priv->front_pitch_offset_c );
OUT_RING( (x << 16) | y );
OUT_RING( (x << 16) | y );
OUT_RING( (w << 16) | h );
ADVANCE_RING();
}
/* Increment the frame counter. The client-side 3D driver must
* throttle the framerate by waiting for this value before
* performing the swapbuffer ioctl.
*/
dev_priv->sarea_priv->last_frame++;
BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_LAST_FRAME_REG, 0 ) );
OUT_RING( dev_priv->sarea_priv->last_frame );
ADVANCE_RING();
}
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static void r128_cce_dispatch_flip( drm_device_t *dev )
{
drm_r128_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
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DRM_DEBUG( "page=%d\n", dev_priv->current_page );
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#if R128_PERFORMANCE_BOXES
/* Do some trivial performance monitoring...
*/
r128_cce_performance_boxes( dev_priv );
#endif
BEGIN_RING( 4 );
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R128_WAIT_UNTIL_PAGE_FLIPPED();
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OUT_RING( CCE_PACKET0( R128_CRTC_OFFSET, 0 ) );
if ( dev_priv->current_page == 0 ) {
OUT_RING( dev_priv->back_offset );
dev_priv->current_page = 1;
} else {
OUT_RING( dev_priv->front_offset );
dev_priv->current_page = 0;
}
ADVANCE_RING();
/* Increment the frame counter. The client-side 3D driver must
* throttle the framerate by waiting for this value before
* performing the swapbuffer ioctl.
*/
dev_priv->sarea_priv->last_frame++;
BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_LAST_FRAME_REG, 0 ) );
OUT_RING( dev_priv->sarea_priv->last_frame );
ADVANCE_RING();
}
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static void r128_cce_dispatch_vertex( drm_device_t *dev,
drm_buf_t *buf )
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_buf_priv_t *buf_priv = buf->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
int format = sarea_priv->vc_format;
int offset = buf->bus_address;
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int size = buf->used;
int prim = buf_priv->prim;
int i = 0;
RING_LOCALS;
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DRM_DEBUG( "buf=%d nbox=%d\n", buf->idx, sarea_priv->nbox );
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if ( 0 )
r128_print_dirty( "dispatch_vertex", sarea_priv->dirty );
if ( buf->used ) {
buf_priv->dispatched = 1;
if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) {
r128_emit_state( dev_priv );
}
do {
/* Emit the next set of up to three cliprects */
if ( i < sarea_priv->nbox ) {
r128_emit_clip_rects( dev_priv,
&sarea_priv->boxes[i],
sarea_priv->nbox - i );
}
/* Emit the vertex buffer rendering commands */
BEGIN_RING( 5 );
OUT_RING( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, 3 ) );
OUT_RING( offset );
OUT_RING( size );
OUT_RING( format );
OUT_RING( prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST |
(size << R128_CCE_VC_CNTL_NUM_SHIFT) );
ADVANCE_RING();
i += 3;
} while ( i < sarea_priv->nbox );
}
if ( buf_priv->discard ) {
buf_priv->age = dev_priv->sarea_priv->last_dispatch;
/* Emit the vertex buffer age */
BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) );
OUT_RING( buf_priv->age );
ADVANCE_RING();
buf->pending = 1;
buf->used = 0;
/* FIXME: Check dispatched field */
buf_priv->dispatched = 0;
}
dev_priv->sarea_priv->last_dispatch++;
sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
sarea_priv->nbox = 0;
}
static void r128_cce_dispatch_indirect( drm_device_t *dev,
drm_buf_t *buf,
int start, int end )
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_buf_priv_t *buf_priv = buf->dev_private;
RING_LOCALS;
DRM_DEBUG( "indirect: buf=%d s=0x%x e=0x%x\n",
buf->idx, start, end );
if ( start != end ) {
int offset = buf->bus_address + start;
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int dwords = (end - start + 3) / sizeof(u32);
/* Indirect buffer data must be an even number of
* dwords, so if we've been given an odd number we must
* pad the data with a Type-2 CCE packet.
*/
if ( dwords & 1 ) {
u32 *data = (u32 *)
((char *)dev_priv->buffers->handle
+ buf->offset + start);
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data[dwords++] = cpu_to_le32( R128_CCE_PACKET2 );
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}
buf_priv->dispatched = 1;
/* Fire off the indirect buffer */
BEGIN_RING( 3 );
OUT_RING( CCE_PACKET0( R128_PM4_IW_INDOFF, 1 ) );
OUT_RING( offset );
OUT_RING( dwords );
ADVANCE_RING();
}
if ( buf_priv->discard ) {
buf_priv->age = dev_priv->sarea_priv->last_dispatch;
/* Emit the indirect buffer age */
BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) );
OUT_RING( buf_priv->age );
ADVANCE_RING();
buf->pending = 1;
buf->used = 0;
/* FIXME: Check dispatched field */
buf_priv->dispatched = 0;
}
dev_priv->sarea_priv->last_dispatch++;
}
static void r128_cce_dispatch_indices( drm_device_t *dev,
drm_buf_t *buf,
int start, int end,
int count )
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_buf_priv_t *buf_priv = buf->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
int format = sarea_priv->vc_format;
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int offset = dev_priv->buffers->offset - dev_priv->cce_buffers_offset;
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int prim = buf_priv->prim;
u32 *data;
int dwords;
int i = 0;
RING_LOCALS;
DRM_DEBUG( "indices: s=%d e=%d c=%d\n", start, end, count );
if ( 0 )
r128_print_dirty( "dispatch_indices", sarea_priv->dirty );
if ( start != end ) {
buf_priv->dispatched = 1;
if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) {
r128_emit_state( dev_priv );
}
dwords = (end - start + 3) / sizeof(u32);
data = (u32 *)((char *)dev_priv->buffers->handle
+ buf->offset + start);
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data[0] = cpu_to_le32( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM,
dwords-2 ) );
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data[1] = cpu_to_le32( offset );
data[2] = cpu_to_le32( R128_MAX_VB_VERTS );
data[3] = cpu_to_le32( format );
data[4] = cpu_to_le32( (prim | R128_CCE_VC_CNTL_PRIM_WALK_IND |
(count << 16)) );
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if ( count & 0x1 ) {
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#ifdef __LITTLE_ENDIAN
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data[dwords-1] &= 0x0000ffff;
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#else
data[dwords-1] &= 0xffff0000;
#endif
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}
do {
/* Emit the next set of up to three cliprects */
if ( i < sarea_priv->nbox ) {
r128_emit_clip_rects( dev_priv,
&sarea_priv->boxes[i],
sarea_priv->nbox - i );
}
r128_cce_dispatch_indirect( dev, buf, start, end );
i += 3;
} while ( i < sarea_priv->nbox );
}
if ( buf_priv->discard ) {
buf_priv->age = dev_priv->sarea_priv->last_dispatch;
/* Emit the vertex buffer age */
BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) );
OUT_RING( buf_priv->age );
ADVANCE_RING();
buf->pending = 1;
/* FIXME: Check dispatched field */
buf_priv->dispatched = 0;
}
dev_priv->sarea_priv->last_dispatch++;
sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
sarea_priv->nbox = 0;
}
static int r128_cce_dispatch_blit( drm_device_t *dev,
drm_r128_blit_t *blit )
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_r128_buf_priv_t *buf_priv;
u32 *data;
int dword_shift, dwords;
RING_LOCALS;
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DRM_DEBUG( "\n" );
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/* The compiler won't optimize away a division by a variable,
* even if the only legal values are powers of two. Thus, we'll
* use a shift instead.
*/
switch ( blit->format ) {
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case R128_DATATYPE_ARGB8888:
dword_shift = 0;
break;
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case R128_DATATYPE_ARGB1555:
case R128_DATATYPE_RGB565:
case R128_DATATYPE_ARGB4444:
dword_shift = 1;
break;
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case R128_DATATYPE_CI8:
case R128_DATATYPE_RGB8:
dword_shift = 2;
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break;
default:
DRM_ERROR( "invalid blit format %d\n", blit->format );
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return DRM_ERR(EINVAL);
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}
/* Flush the pixel cache, and mark the contents as Read Invalid.
* This ensures no pixel data gets mixed up with the texture
* data from the host data blit, otherwise part of the texture
* image may be corrupted.
*/
BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) );
OUT_RING( R128_PC_RI_GUI | R128_PC_FLUSH_GUI );
ADVANCE_RING();
/* Dispatch the indirect buffer.
*/
buf = dma->buflist[blit->idx];
buf_priv = buf->dev_private;
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if ( buf->pid != DRM_CURRENTPID ) {
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DRM_ERROR( "process %d using buffer owned by %d\n",
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DRM_CURRENTPID, buf->pid );
return DRM_ERR(EINVAL);
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}
if ( buf->pending ) {
DRM_ERROR( "sending pending buffer %d\n", blit->idx );
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return DRM_ERR(EINVAL);
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}
buf_priv->discard = 1;
dwords = (blit->width * blit->height) >> dword_shift;
data = (u32 *)((char *)dev_priv->buffers->handle + buf->offset);
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data[0] = cpu_to_le32( CCE_PACKET3( R128_CNTL_HOSTDATA_BLT, dwords + 6 ) );
data[1] = cpu_to_le32( (R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_NONE |
(blit->format << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_S |
R128_DP_SRC_SOURCE_HOST_DATA |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS |
R128_GMC_WR_MSK_DIS) );
data[2] = cpu_to_le32( (blit->pitch << 21) | (blit->offset >> 5) );
data[3] = cpu_to_le32( 0xffffffff );
data[4] = cpu_to_le32( 0xffffffff );
data[5] = cpu_to_le32( (blit->y << 16) | blit->x );
data[6] = cpu_to_le32( (blit->height << 16) | blit->width );
data[7] = cpu_to_le32( dwords );
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buf->used = (dwords + 8) * sizeof(u32);
r128_cce_dispatch_indirect( dev, buf, 0, buf->used );
/* Flush the pixel cache after the blit completes. This ensures
* the texture data is written out to memory before rendering
* continues.
*/
BEGIN_RING( 2 );
OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) );
OUT_RING( R128_PC_FLUSH_GUI );
ADVANCE_RING();
return 0;
}
/* ================================================================
* Tiled depth buffer management
*
* FIXME: These should all set the destination write mask for when we
* have hardware stencil support.
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*/
static int r128_cce_dispatch_write_span( drm_device_t *dev,
drm_r128_depth_t *depth )
{
drm_r128_private_t *dev_priv = dev->dev_private;
int count, x, y;
u32 *buffer;
u8 *mask;
int i;
RING_LOCALS;
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DRM_DEBUG( "\n" );
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count = depth->n;
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if ( DRM_COPY_FROM_USER( &x, depth->x, sizeof(x) ) ) {
return DRM_ERR(EFAULT);
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}
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if ( DRM_COPY_FROM_USER( &y, depth->y, sizeof(y) ) ) {
return DRM_ERR(EFAULT);
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}
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buffer = DRM_MALLOC( depth->n * sizeof(u32) );
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if ( buffer == NULL )
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return DRM_ERR(ENOMEM);
if ( DRM_COPY_FROM_USER( buffer, depth->buffer,
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depth->n * sizeof(u32) ) ) {
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DRM_FREE( buffer );
return DRM_ERR(EFAULT);
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}
if ( depth->mask ) {
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mask = DRM_MALLOC( depth->n * sizeof(u8) );
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if ( mask == NULL ) {
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DRM_FREE( buffer );
return DRM_ERR(ENOMEM);
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}
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if ( DRM_COPY_FROM_USER( mask, depth->mask,
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depth->n * sizeof(u8) ) ) {
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DRM_FREE( buffer );
DRM_FREE( mask );
return DRM_ERR(EFAULT);
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}
for ( i = 0 ; i < count ; i++, x++ ) {
if ( mask[i] ) {
BEGIN_RING( 6 );
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OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS );
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OUT_RING( dev_priv->depth_pitch_offset_c );
OUT_RING( buffer[i] );
OUT_RING( (x << 16) | y );
OUT_RING( (1 << 16) | 1 );
ADVANCE_RING();
}
}
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DRM_FREE( mask );
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} else {
for ( i = 0 ; i < count ; i++, x++ ) {
BEGIN_RING( 6 );
OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
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OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS );
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OUT_RING( dev_priv->depth_pitch_offset_c );
OUT_RING( buffer[i] );
OUT_RING( (x << 16) | y );
OUT_RING( (1 << 16) | 1 );
ADVANCE_RING();
}
}
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DRM_FREE( buffer );
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return 0;
}
static int r128_cce_dispatch_write_pixels( drm_device_t *dev,
drm_r128_depth_t *depth )
{
drm_r128_private_t *dev_priv = dev->dev_private;
int count, *x, *y;
u32 *buffer;
u8 *mask;
int i;
RING_LOCALS;
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DRM_DEBUG( "\n" );
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count = depth->n;
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x = DRM_MALLOC( count * sizeof(*x) );
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if ( x == NULL ) {
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return DRM_ERR(ENOMEM);
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}
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y = DRM_MALLOC( count * sizeof(*y) );
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if ( y == NULL ) {
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DRM_FREE( x );
return DRM_ERR(ENOMEM);
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}
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if ( DRM_COPY_FROM_USER( x, depth->x, count * sizeof(int) ) ) {
DRM_FREE( x );
DRM_FREE( y );
return DRM_ERR(EFAULT);
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}
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if ( DRM_COPY_FROM_USER( y, depth->y, count * sizeof(int) ) ) {
DRM_FREE( x );
DRM_FREE( y );
return DRM_ERR(EFAULT);
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}
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buffer = DRM_MALLOC( depth->n * sizeof(u32) );
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if ( buffer == NULL ) {
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DRM_FREE( x );
DRM_FREE( y );
return DRM_ERR(ENOMEM);
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}
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if ( DRM_COPY_FROM_USER( buffer, depth->buffer,
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depth->n * sizeof(u32) ) ) {
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DRM_FREE( x );
DRM_FREE( y );
DRM_FREE( buffer );
return DRM_ERR(EFAULT);
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}
if ( depth->mask ) {
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mask = DRM_MALLOC( depth->n * sizeof(u8) );
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if ( mask == NULL ) {
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DRM_FREE( x );
DRM_FREE( y );
DRM_FREE( buffer );
return DRM_ERR(ENOMEM);
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}
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if ( DRM_COPY_FROM_USER( mask, depth->mask,
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depth->n * sizeof(u8) ) ) {
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DRM_FREE( x );
DRM_FREE( y );
DRM_FREE( buffer );
DRM_FREE( mask );
return DRM_ERR(EFAULT);
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}
for ( i = 0 ; i < count ; i++ ) {
if ( mask[i] ) {
BEGIN_RING( 6 );
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OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS );
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OUT_RING( dev_priv->depth_pitch_offset_c );
OUT_RING( buffer[i] );
OUT_RING( (x[i] << 16) | y[i] );
OUT_RING( (1 << 16) | 1 );
ADVANCE_RING();
}
}
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DRM_FREE( mask );
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} else {
for ( i = 0 ; i < count ; i++ ) {
BEGIN_RING( 6 );
OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
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OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS );
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OUT_RING( dev_priv->depth_pitch_offset_c );
OUT_RING( buffer[i] );
OUT_RING( (x[i] << 16) | y[i] );
OUT_RING( (1 << 16) | 1 );
ADVANCE_RING();
}
}
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DRM_FREE( x );
DRM_FREE( y );
DRM_FREE( buffer );
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return 0;
}
static int r128_cce_dispatch_read_span( drm_device_t *dev,
drm_r128_depth_t *depth )
{
drm_r128_private_t *dev_priv = dev->dev_private;
int count, x, y;
RING_LOCALS;
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DRM_DEBUG( "\n" );
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count = depth->n;
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if ( DRM_COPY_FROM_USER( &x, depth->x, sizeof(x) ) ) {
return DRM_ERR(EFAULT);
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}
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if ( DRM_COPY_FROM_USER( &y, depth->y, sizeof(y) ) ) {
return DRM_ERR(EFAULT);
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}
BEGIN_RING( 7 );
OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) );
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OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL |
R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_NONE |
(dev_priv->depth_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_S |
R128_DP_SRC_SOURCE_MEMORY |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS );
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OUT_RING( dev_priv->depth_pitch_offset_c );
OUT_RING( dev_priv->span_pitch_offset_c );
OUT_RING( (x << 16) | y );
OUT_RING( (0 << 16) | 0 );
OUT_RING( (count << 16) | 1 );
ADVANCE_RING();
return 0;
}
static int r128_cce_dispatch_read_pixels( drm_device_t *dev,
drm_r128_depth_t *depth )
{
drm_r128_private_t *dev_priv = dev->dev_private;
int count, *x, *y;
int i;
RING_LOCALS;
DRM_DEBUG( "%s\n", __FUNCTION__ );
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count = depth->n;
if ( count > dev_priv->depth_pitch ) {
count = dev_priv->depth_pitch;
}
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x = DRM_MALLOC( count * sizeof(*x) );
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if ( x == NULL ) {
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return DRM_ERR(ENOMEM);
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}
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y = DRM_MALLOC( count * sizeof(*y) );
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if ( y == NULL ) {
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DRM_FREE( x );
return DRM_ERR(ENOMEM);
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}
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if ( DRM_COPY_FROM_USER( x, depth->x, count * sizeof(int) ) ) {
DRM_FREE( x );
DRM_FREE( y );
return DRM_ERR(EFAULT);
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}
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if ( DRM_COPY_FROM_USER( y, depth->y, count * sizeof(int) ) ) {
DRM_FREE( x );
DRM_FREE( y );
return DRM_ERR(EFAULT);
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}
for ( i = 0 ; i < count ; i++ ) {
BEGIN_RING( 7 );
OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) );
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OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL |
R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_NONE |
(dev_priv->depth_fmt << 8) |
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R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_S |
R128_DP_SRC_SOURCE_MEMORY |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS );
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OUT_RING( dev_priv->depth_pitch_offset_c );
OUT_RING( dev_priv->span_pitch_offset_c );
OUT_RING( (x[i] << 16) | y[i] );
OUT_RING( (i << 16) | 0 );
OUT_RING( (1 << 16) | 1 );
ADVANCE_RING();
}
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DRM_FREE( x );
DRM_FREE( y );
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return 0;
}
/* ================================================================
* Polygon stipple
*/
static void r128_cce_dispatch_stipple( drm_device_t *dev, u32 *stipple )
{
drm_r128_private_t *dev_priv = dev->dev_private;
int i;
RING_LOCALS;
DRM_DEBUG( "%s\n", __FUNCTION__ );
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BEGIN_RING( 33 );
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OUT_RING( CCE_PACKET0( R128_BRUSH_DATA0, 31 ) );
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for ( i = 0 ; i < 32 ; i++ ) {
OUT_RING( stipple[i] );
}
ADVANCE_RING();
}
/* ================================================================
* IOCTL functions
*/
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int r128_cce_clear( DRM_IOCTL_ARGS )
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{
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DRM_DEVICE;
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drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_clear_t clear;
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DRM_DEBUG( "\n" );
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LOCK_TEST_WITH_RETURN( dev );
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DRM_COPY_FROM_USER_IOCTL( clear, (drm_r128_clear_t *) data,
sizeof(clear) );
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RING_SPACE_TEST_WITH_RETURN( dev_priv );
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if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS )
sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
r128_cce_dispatch_clear( dev, &clear );
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/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS;
return 0;
}
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int r128_cce_swap( DRM_IOCTL_ARGS )
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{
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DRM_DEVICE;
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drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
DRM_DEBUG( "%s\n", __FUNCTION__ );
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LOCK_TEST_WITH_RETURN( dev );
RING_SPACE_TEST_WITH_RETURN( dev_priv );
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if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS )
sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
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if ( !dev_priv->page_flipping ) {
r128_cce_dispatch_swap( dev );
dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT |
R128_UPLOAD_MASKS);
} else {
r128_cce_dispatch_flip( dev );
}
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return 0;
}
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int r128_cce_vertex( DRM_IOCTL_ARGS )
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{
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DRM_DEVICE;
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drm_r128_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_r128_buf_priv_t *buf_priv;
drm_r128_vertex_t vertex;
LOCK_TEST_WITH_RETURN( dev );
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if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
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return DRM_ERR(EINVAL);
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}
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DRM_COPY_FROM_USER_IOCTL( vertex, (drm_r128_vertex_t *) data,
sizeof(vertex) );
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DRM_DEBUG( "pid=%d index=%d count=%d discard=%d\n",
DRM_CURRENTPID,
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vertex.idx, vertex.count, vertex.discard );
if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) {
DRM_ERROR( "buffer index %d (of %d max)\n",
vertex.idx, dma->buf_count - 1 );
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return DRM_ERR(EINVAL);
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}
if ( vertex.prim < 0 ||
vertex.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) {
DRM_ERROR( "buffer prim %d\n", vertex.prim );
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return DRM_ERR(EINVAL);
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}
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
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buf = dma->buflist[vertex.idx];
buf_priv = buf->dev_private;
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if ( buf->pid != DRM_CURRENTPID ) {
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DRM_ERROR( "process %d using buffer owned by %d\n",
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DRM_CURRENTPID, buf->pid );
return DRM_ERR(EINVAL);
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}
if ( buf->pending ) {
DRM_ERROR( "sending pending buffer %d\n", vertex.idx );
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return DRM_ERR(EINVAL);
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}
buf->used = vertex.count;
buf_priv->prim = vertex.prim;
buf_priv->discard = vertex.discard;
r128_cce_dispatch_vertex( dev, buf );
return 0;
}
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int r128_cce_indices( DRM_IOCTL_ARGS )
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{
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DRM_DEVICE;
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drm_r128_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_r128_buf_priv_t *buf_priv;
drm_r128_indices_t elts;
int count;
LOCK_TEST_WITH_RETURN( dev );
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if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
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return DRM_ERR(EINVAL);
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}
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DRM_COPY_FROM_USER_IOCTL( elts, (drm_r128_indices_t *) data,
sizeof(elts) );
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DRM_DEBUG( "pid=%d buf=%d s=%d e=%d d=%d\n", DRM_CURRENTPID,
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elts.idx, elts.start, elts.end, elts.discard );
if ( elts.idx < 0 || elts.idx >= dma->buf_count ) {
DRM_ERROR( "buffer index %d (of %d max)\n",
elts.idx, dma->buf_count - 1 );
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return DRM_ERR(EINVAL);
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}
if ( elts.prim < 0 ||
elts.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) {
DRM_ERROR( "buffer prim %d\n", elts.prim );
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return DRM_ERR(EINVAL);
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}
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
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buf = dma->buflist[elts.idx];
buf_priv = buf->dev_private;
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if ( buf->pid != DRM_CURRENTPID ) {
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DRM_ERROR( "process %d using buffer owned by %d\n",
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DRM_CURRENTPID, buf->pid );
return DRM_ERR(EINVAL);
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}
if ( buf->pending ) {
DRM_ERROR( "sending pending buffer %d\n", elts.idx );
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return DRM_ERR(EINVAL);
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}
count = (elts.end - elts.start) / sizeof(u16);
elts.start -= R128_INDEX_PRIM_OFFSET;
if ( elts.start & 0x7 ) {
DRM_ERROR( "misaligned buffer 0x%x\n", elts.start );
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return DRM_ERR(EINVAL);
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}
if ( elts.start < buf->used ) {
DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used );
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return DRM_ERR(EINVAL);
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}
buf->used = elts.end;
buf_priv->prim = elts.prim;
buf_priv->discard = elts.discard;
r128_cce_dispatch_indices( dev, buf, elts.start, elts.end, count );
return 0;
}
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int r128_cce_blit( DRM_IOCTL_ARGS )
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{
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DRM_DEVICE;
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drm_device_dma_t *dma = dev->dma;
drm_r128_private_t *dev_priv = dev->dev_private;
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drm_r128_blit_t blit;
LOCK_TEST_WITH_RETURN( dev );
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DRM_COPY_FROM_USER_IOCTL( blit, (drm_r128_blit_t *) data,
sizeof(blit) );
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DRM_DEBUG( "pid=%d index=%d\n", DRM_CURRENTPID, blit.idx );
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if ( blit.idx < 0 || blit.idx >= dma->buf_count ) {
DRM_ERROR( "buffer index %d (of %d max)\n",
blit.idx, dma->buf_count - 1 );
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return DRM_ERR(EINVAL);
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}
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
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return r128_cce_dispatch_blit( dev, &blit );
}
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int r128_cce_depth( DRM_IOCTL_ARGS )
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{
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DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
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drm_r128_depth_t depth;
LOCK_TEST_WITH_RETURN( dev );
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DRM_COPY_FROM_USER_IOCTL( depth, (drm_r128_depth_t *) data,
sizeof(depth) );
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RING_SPACE_TEST_WITH_RETURN( dev_priv );
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switch ( depth.func ) {
case R128_WRITE_SPAN:
return r128_cce_dispatch_write_span( dev, &depth );
case R128_WRITE_PIXELS:
return r128_cce_dispatch_write_pixels( dev, &depth );
case R128_READ_SPAN:
return r128_cce_dispatch_read_span( dev, &depth );
case R128_READ_PIXELS:
return r128_cce_dispatch_read_pixels( dev, &depth );
}
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return DRM_ERR(EINVAL);
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}
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int r128_cce_stipple( DRM_IOCTL_ARGS )
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{
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DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
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drm_r128_stipple_t stipple;
u32 mask[32];
LOCK_TEST_WITH_RETURN( dev );
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DRM_COPY_FROM_USER_IOCTL( stipple, (drm_r128_stipple_t *) data,
sizeof(stipple) );
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if ( DRM_COPY_FROM_USER( &mask, stipple.mask,
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32 * sizeof(u32) ) )
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return DRM_ERR( EFAULT );
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RING_SPACE_TEST_WITH_RETURN( dev_priv );
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r128_cce_dispatch_stipple( dev, mask );
return 0;
}
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int r128_cce_indirect( DRM_IOCTL_ARGS )
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{
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DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_r128_buf_priv_t *buf_priv;
drm_r128_indirect_t indirect;
#if 0
RING_LOCALS;
#endif
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LOCK_TEST_WITH_RETURN( dev );
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if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
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return DRM_ERR(EINVAL);
}
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DRM_COPY_FROM_USER_IOCTL( indirect, (drm_r128_indirect_t *) data,
sizeof(indirect) );
DRM_DEBUG( "indirect: idx=%d s=%d e=%d d=%d\n",
indirect.idx, indirect.start,
indirect.end, indirect.discard );
if ( indirect.idx < 0 || indirect.idx >= dma->buf_count ) {
DRM_ERROR( "buffer index %d (of %d max)\n",
indirect.idx, dma->buf_count - 1 );
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return DRM_ERR(EINVAL);
}
buf = dma->buflist[indirect.idx];
buf_priv = buf->dev_private;
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if ( buf->pid != DRM_CURRENTPID ) {
DRM_ERROR( "process %d using buffer owned by %d\n",
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DRM_CURRENTPID, buf->pid );
return DRM_ERR(EINVAL);
}
if ( buf->pending ) {
DRM_ERROR( "sending pending buffer %d\n", indirect.idx );
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return DRM_ERR(EINVAL);
}
if ( indirect.start < buf->used ) {
DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n",
indirect.start, buf->used );
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return DRM_ERR(EINVAL);
}
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
buf->used = indirect.end;
buf_priv->discard = indirect.discard;
#if 0
/* Wait for the 3D stream to idle before the indirect buffer
* containing 2D acceleration commands is processed.
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*/
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_3D_IDLE();
ADVANCE_RING();
#endif
/* Dispatch the indirect buffer full of commands from the
* X server. This is insecure and is thus only available to
* privileged clients.
*/
r128_cce_dispatch_indirect( dev, buf, indirect.start, indirect.end );
return 0;
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}