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kernel / pub / scm / linux / kernel / git / wtarreau / linux-2.4 / 3030b4837f6d4da3ce04eb5d3c3be4550bf82e8f / . / drivers / char / drm / radeon_state.c
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/* radeon_state.c -- State support for Radeon -*- linux-c -*-
*
* Copyright 2000 VA Linux Systems, Inc., Fremont, 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>
* Kevin E. Martin <martin@valinux.com>
*/
#include "radeon.h"
#include "drmP.h"
#include "drm.h"
#include "drm_sarea.h"
#include "radeon_drm.h"
#include "radeon_drv.h"
#include "drm_os_linux.h"
/* ================================================================
* CP hardware state programming functions
*/
static inline void radeon_emit_clip_rect( drm_radeon_private_t *dev_priv,
drm_clip_rect_t *box )
{
RING_LOCALS;
DRM_DEBUG( " box: x1=%d y1=%d x2=%d y2=%d\n",
box->x1, box->y1, box->x2, box->y2 );
BEGIN_RING( 4 );
OUT_RING( CP_PACKET0( RADEON_RE_TOP_LEFT, 0 ) );
OUT_RING( (box->y1 << 16) | box->x1 );
OUT_RING( CP_PACKET0( RADEON_RE_WIDTH_HEIGHT, 0 ) );
OUT_RING( ((box->y2 - 1) << 16) | (box->x2 - 1) );
ADVANCE_RING();
}
/* Emit 1.1 state
*/
static void radeon_emit_state( drm_radeon_private_t *dev_priv,
drm_radeon_context_regs_t *ctx,
drm_radeon_texture_regs_t *tex,
unsigned int dirty )
{
RING_LOCALS;
DRM_DEBUG( "dirty=0x%08x\n", dirty );
if ( dirty & RADEON_UPLOAD_CONTEXT ) {
BEGIN_RING( 14 );
OUT_RING( CP_PACKET0( RADEON_PP_MISC, 6 ) );
OUT_RING( ctx->pp_misc );
OUT_RING( ctx->pp_fog_color );
OUT_RING( ctx->re_solid_color );
OUT_RING( ctx->rb3d_blendcntl );
OUT_RING( ctx->rb3d_depthoffset );
OUT_RING( ctx->rb3d_depthpitch );
OUT_RING( ctx->rb3d_zstencilcntl );
OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 2 ) );
OUT_RING( ctx->pp_cntl );
OUT_RING( ctx->rb3d_cntl );
OUT_RING( ctx->rb3d_coloroffset );
OUT_RING( CP_PACKET0( RADEON_RB3D_COLORPITCH, 0 ) );
OUT_RING( ctx->rb3d_colorpitch );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_VERTFMT ) {
BEGIN_RING( 2 );
OUT_RING( CP_PACKET0( RADEON_SE_COORD_FMT, 0 ) );
OUT_RING( ctx->se_coord_fmt );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_LINE ) {
BEGIN_RING( 5 );
OUT_RING( CP_PACKET0( RADEON_RE_LINE_PATTERN, 1 ) );
OUT_RING( ctx->re_line_pattern );
OUT_RING( ctx->re_line_state );
OUT_RING( CP_PACKET0( RADEON_SE_LINE_WIDTH, 0 ) );
OUT_RING( ctx->se_line_width );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_BUMPMAP ) {
BEGIN_RING( 5 );
OUT_RING( CP_PACKET0( RADEON_PP_LUM_MATRIX, 0 ) );
OUT_RING( ctx->pp_lum_matrix );
OUT_RING( CP_PACKET0( RADEON_PP_ROT_MATRIX_0, 1 ) );
OUT_RING( ctx->pp_rot_matrix_0 );
OUT_RING( ctx->pp_rot_matrix_1 );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_MASKS ) {
BEGIN_RING( 4 );
OUT_RING( CP_PACKET0( RADEON_RB3D_STENCILREFMASK, 2 ) );
OUT_RING( ctx->rb3d_stencilrefmask );
OUT_RING( ctx->rb3d_ropcntl );
OUT_RING( ctx->rb3d_planemask );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_VIEWPORT ) {
BEGIN_RING( 7 );
OUT_RING( CP_PACKET0( RADEON_SE_VPORT_XSCALE, 5 ) );
OUT_RING( ctx->se_vport_xscale );
OUT_RING( ctx->se_vport_xoffset );
OUT_RING( ctx->se_vport_yscale );
OUT_RING( ctx->se_vport_yoffset );
OUT_RING( ctx->se_vport_zscale );
OUT_RING( ctx->se_vport_zoffset );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_SETUP ) {
BEGIN_RING( 4 );
OUT_RING( CP_PACKET0( RADEON_SE_CNTL, 0 ) );
OUT_RING( ctx->se_cntl );
OUT_RING( CP_PACKET0( RADEON_SE_CNTL_STATUS, 0 ) );
OUT_RING( ctx->se_cntl_status );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_MISC ) {
BEGIN_RING( 2 );
OUT_RING( CP_PACKET0( RADEON_RE_MISC, 0 ) );
OUT_RING( ctx->re_misc );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_TEX0 ) {
BEGIN_RING( 9 );
OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_0, 5 ) );
OUT_RING( tex[0].pp_txfilter );
OUT_RING( tex[0].pp_txformat );
OUT_RING( tex[0].pp_txoffset );
OUT_RING( tex[0].pp_txcblend );
OUT_RING( tex[0].pp_txablend );
OUT_RING( tex[0].pp_tfactor );
OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_0, 0 ) );
OUT_RING( tex[0].pp_border_color );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_TEX1 ) {
BEGIN_RING( 9 );
OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_1, 5 ) );
OUT_RING( tex[1].pp_txfilter );
OUT_RING( tex[1].pp_txformat );
OUT_RING( tex[1].pp_txoffset );
OUT_RING( tex[1].pp_txcblend );
OUT_RING( tex[1].pp_txablend );
OUT_RING( tex[1].pp_tfactor );
OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_1, 0 ) );
OUT_RING( tex[1].pp_border_color );
ADVANCE_RING();
}
if ( dirty & RADEON_UPLOAD_TEX2 ) {
BEGIN_RING( 9 );
OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_2, 5 ) );
OUT_RING( tex[2].pp_txfilter );
OUT_RING( tex[2].pp_txformat );
OUT_RING( tex[2].pp_txoffset );
OUT_RING( tex[2].pp_txcblend );
OUT_RING( tex[2].pp_txablend );
OUT_RING( tex[2].pp_tfactor );
OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_2, 0 ) );
OUT_RING( tex[2].pp_border_color );
ADVANCE_RING();
}
}
/* Emit 1.2 state
*/
static void radeon_emit_state2( drm_radeon_private_t *dev_priv,
drm_radeon_state_t *state )
{
RING_LOCALS;
if (state->dirty & RADEON_UPLOAD_ZBIAS) {
BEGIN_RING( 3 );
OUT_RING( CP_PACKET0( RADEON_SE_ZBIAS_FACTOR, 1 ) );
OUT_RING( state->context2.se_zbias_factor );
OUT_RING( state->context2.se_zbias_constant );
ADVANCE_RING();
}
radeon_emit_state( dev_priv, &state->context,
state->tex, state->dirty );
}
/* New (1.3) state mechanism. 3 commands (packet, scalar, vector) in
* 1.3 cmdbuffers allow all previous state to be updated as well as
* the tcl scalar and vector areas.
*/
static struct {
int start;
int len;
const char *name;
} packet[RADEON_MAX_STATE_PACKETS] = {
{ RADEON_PP_MISC,7,"RADEON_PP_MISC" },
{ RADEON_PP_CNTL,3,"RADEON_PP_CNTL" },
{ RADEON_RB3D_COLORPITCH,1,"RADEON_RB3D_COLORPITCH" },
{ RADEON_RE_LINE_PATTERN,2,"RADEON_RE_LINE_PATTERN" },
{ RADEON_SE_LINE_WIDTH,1,"RADEON_SE_LINE_WIDTH" },
{ RADEON_PP_LUM_MATRIX,1,"RADEON_PP_LUM_MATRIX" },
{ RADEON_PP_ROT_MATRIX_0,2,"RADEON_PP_ROT_MATRIX_0" },
{ RADEON_RB3D_STENCILREFMASK,3,"RADEON_RB3D_STENCILREFMASK" },
{ RADEON_SE_VPORT_XSCALE,6,"RADEON_SE_VPORT_XSCALE" },
{ RADEON_SE_CNTL,2,"RADEON_SE_CNTL" },
{ RADEON_SE_CNTL_STATUS,1,"RADEON_SE_CNTL_STATUS" },
{ RADEON_RE_MISC,1,"RADEON_RE_MISC" },
{ RADEON_PP_TXFILTER_0,6,"RADEON_PP_TXFILTER_0" },
{ RADEON_PP_BORDER_COLOR_0,1,"RADEON_PP_BORDER_COLOR_0" },
{ RADEON_PP_TXFILTER_1,6,"RADEON_PP_TXFILTER_1" },
{ RADEON_PP_BORDER_COLOR_1,1,"RADEON_PP_BORDER_COLOR_1" },
{ RADEON_PP_TXFILTER_2,6,"RADEON_PP_TXFILTER_2" },
{ RADEON_PP_BORDER_COLOR_2,1,"RADEON_PP_BORDER_COLOR_2" },
{ RADEON_SE_ZBIAS_FACTOR,2,"RADEON_SE_ZBIAS_FACTOR" },
{ RADEON_SE_TCL_OUTPUT_VTX_FMT,11,"RADEON_SE_TCL_OUTPUT_VTX_FMT" },
{ RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED,17,"RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED" },
{ R200_PP_TXCBLEND_0, 4, "R200_PP_TXCBLEND_0" },
{ R200_PP_TXCBLEND_1, 4, "R200_PP_TXCBLEND_1" },
{ R200_PP_TXCBLEND_2, 4, "R200_PP_TXCBLEND_2" },
{ R200_PP_TXCBLEND_3, 4, "R200_PP_TXCBLEND_3" },
{ R200_PP_TXCBLEND_4, 4, "R200_PP_TXCBLEND_4" },
{ R200_PP_TXCBLEND_5, 4, "R200_PP_TXCBLEND_5" },
{ R200_PP_TXCBLEND_6, 4, "R200_PP_TXCBLEND_6" },
{ R200_PP_TXCBLEND_7, 4, "R200_PP_TXCBLEND_7" },
{ R200_SE_TCL_LIGHT_MODEL_CTL_0, 6, "R200_SE_TCL_LIGHT_MODEL_CTL_0" },
{ R200_PP_TFACTOR_0, 6, "R200_PP_TFACTOR_0" },
{ R200_SE_VTX_FMT_0, 4, "R200_SE_VTX_FMT_0" },
{ R200_SE_VAP_CNTL, 1, "R200_SE_VAP_CNTL" },
{ R200_SE_TCL_MATRIX_SEL_0, 5, "R200_SE_TCL_MATRIX_SEL_0" },
{ R200_SE_TCL_TEX_PROC_CTL_2, 5, "R200_SE_TCL_TEX_PROC_CTL_2" },
{ R200_SE_TCL_UCP_VERT_BLEND_CTL, 1, "R200_SE_TCL_UCP_VERT_BLEND_CTL" },
{ R200_PP_TXFILTER_0, 6, "R200_PP_TXFILTER_0" },
{ R200_PP_TXFILTER_1, 6, "R200_PP_TXFILTER_1" },
{ R200_PP_TXFILTER_2, 6, "R200_PP_TXFILTER_2" },
{ R200_PP_TXFILTER_3, 6, "R200_PP_TXFILTER_3" },
{ R200_PP_TXFILTER_4, 6, "R200_PP_TXFILTER_4" },
{ R200_PP_TXFILTER_5, 6, "R200_PP_TXFILTER_5" },
{ R200_PP_TXOFFSET_0, 1, "R200_PP_TXOFFSET_0" },
{ R200_PP_TXOFFSET_1, 1, "R200_PP_TXOFFSET_1" },
{ R200_PP_TXOFFSET_2, 1, "R200_PP_TXOFFSET_2" },
{ R200_PP_TXOFFSET_3, 1, "R200_PP_TXOFFSET_3" },
{ R200_PP_TXOFFSET_4, 1, "R200_PP_TXOFFSET_4" },
{ R200_PP_TXOFFSET_5, 1, "R200_PP_TXOFFSET_5" },
{ R200_SE_VTE_CNTL, 1, "R200_SE_VTE_CNTL" },
{ R200_SE_TCL_OUTPUT_VTX_COMP_SEL, 1, "R200_SE_TCL_OUTPUT_VTX_COMP_SEL" },
{ R200_PP_TAM_DEBUG3, 1, "R200_PP_TAM_DEBUG3" },
{ R200_PP_CNTL_X, 1, "R200_PP_CNTL_X" },
{ R200_RB3D_DEPTHXY_OFFSET, 1, "R200_RB3D_DEPTHXY_OFFSET" },
{ R200_RE_AUX_SCISSOR_CNTL, 1, "R200_RE_AUX_SCISSOR_CNTL" },
{ R200_RE_SCISSOR_TL_0, 2, "R200_RE_SCISSOR_TL_0" },
{ R200_RE_SCISSOR_TL_1, 2, "R200_RE_SCISSOR_TL_1" },
{ R200_RE_SCISSOR_TL_2, 2, "R200_RE_SCISSOR_TL_2" },
{ R200_SE_VAP_CNTL_STATUS, 1, "R200_SE_VAP_CNTL_STATUS" },
{ R200_SE_VTX_STATE_CNTL, 1, "R200_SE_VTX_STATE_CNTL" },
{ R200_RE_POINTSIZE, 1, "R200_RE_POINTSIZE" },
{ R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0, 4, "R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0" },
{ R200_PP_CUBIC_FACES_0, 1, "R200_PP_CUBIC_FACES_0" }, /* 61 */
{ R200_PP_CUBIC_OFFSET_F1_0, 5, "R200_PP_CUBIC_OFFSET_F1_0" }, /* 62 */
{ R200_PP_CUBIC_FACES_1, 1, "R200_PP_CUBIC_FACES_1" },
{ R200_PP_CUBIC_OFFSET_F1_1, 5, "R200_PP_CUBIC_OFFSET_F1_1" },
{ R200_PP_CUBIC_FACES_2, 1, "R200_PP_CUBIC_FACES_2" },
{ R200_PP_CUBIC_OFFSET_F1_2, 5, "R200_PP_CUBIC_OFFSET_F1_2" },
{ R200_PP_CUBIC_FACES_3, 1, "R200_PP_CUBIC_FACES_3" },
{ R200_PP_CUBIC_OFFSET_F1_3, 5, "R200_PP_CUBIC_OFFSET_F1_3" },
{ R200_PP_CUBIC_FACES_4, 1, "R200_PP_CUBIC_FACES_4" },
{ R200_PP_CUBIC_OFFSET_F1_4, 5, "R200_PP_CUBIC_OFFSET_F1_4" },
{ R200_PP_CUBIC_FACES_5, 1, "R200_PP_CUBIC_FACES_5" },
{ R200_PP_CUBIC_OFFSET_F1_5, 5, "R200_PP_CUBIC_OFFSET_F1_5" },
};
/* ================================================================
* Performance monitoring functions
*/
static void radeon_clear_box( drm_radeon_private_t *dev_priv,
int x, int y, int w, int h,
int r, int g, int b )
{
u32 color;
RING_LOCALS;
x += dev_priv->sarea_priv->boxes[0].x1;
y += dev_priv->sarea_priv->boxes[0].y1;
switch ( dev_priv->color_fmt ) {
case RADEON_COLOR_FORMAT_RGB565:
color = (((r & 0xf8) << 8) |
((g & 0xfc) << 3) |
((b & 0xf8) >> 3));
break;
case RADEON_COLOR_FORMAT_ARGB8888:
default:
color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
break;
}
BEGIN_RING( 4 );
RADEON_WAIT_UNTIL_3D_IDLE();
OUT_RING( CP_PACKET0( RADEON_DP_WRITE_MASK, 0 ) );
OUT_RING( 0xffffffff );
ADVANCE_RING();
BEGIN_RING( 6 );
OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) );
OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL |
RADEON_GMC_BRUSH_SOLID_COLOR |
(dev_priv->color_fmt << 8) |
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_ROP3_P |
RADEON_GMC_CLR_CMP_CNTL_DIS );
if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) {
OUT_RING( dev_priv->front_pitch_offset );
} else {
OUT_RING( dev_priv->back_pitch_offset );
}
OUT_RING( color );
OUT_RING( (x << 16) | y );
OUT_RING( (w << 16) | h );
ADVANCE_RING();
}
static void radeon_cp_performance_boxes( drm_radeon_private_t *dev_priv )
{
/* Collapse various things into a wait flag -- trying to
* guess if userspase slept -- better just to have them tell us.
*/
if (dev_priv->stats.last_frame_reads > 1 ||
dev_priv->stats.last_clear_reads > dev_priv->stats.clears) {
dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
}
if (dev_priv->stats.freelist_loops) {
dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
}
/* Purple box for page flipping
*/
if ( dev_priv->stats.boxes & RADEON_BOX_FLIP )
radeon_clear_box( dev_priv, 4, 4, 8, 8, 255, 0, 255 );
/* Red box if we have to wait for idle at any point
*/
if ( dev_priv->stats.boxes & RADEON_BOX_WAIT_IDLE )
radeon_clear_box( dev_priv, 16, 4, 8, 8, 255, 0, 0 );
/* Blue box: lost context?
*/
/* Yellow box for texture swaps
*/
if ( dev_priv->stats.boxes & RADEON_BOX_TEXTURE_LOAD )
radeon_clear_box( dev_priv, 40, 4, 8, 8, 255, 255, 0 );
/* Green box if hardware never idles (as far as we can tell)
*/
if ( !(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE) )
radeon_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 );
/* Draw bars indicating number of buffers allocated
* (not a great measure, easily confused)
*/
if (dev_priv->stats.requested_bufs) {
if (dev_priv->stats.requested_bufs > 100)
dev_priv->stats.requested_bufs = 100;
radeon_clear_box( dev_priv, 4, 16,
dev_priv->stats.requested_bufs, 4,
196, 128, 128 );
}
memset( &dev_priv->stats, 0, sizeof(dev_priv->stats) );
}
/* ================================================================
* CP command dispatch functions
*/
static void radeon_cp_dispatch_clear( drm_device_t *dev,
drm_radeon_clear_t *clear,
drm_radeon_clear_rect_t *depth_boxes )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_radeon_depth_clear_t *depth_clear = &dev_priv->depth_clear;
int nbox = sarea_priv->nbox;
drm_clip_rect_t *pbox = sarea_priv->boxes;
unsigned int flags = clear->flags;
u32 rb3d_cntl = 0, rb3d_stencilrefmask= 0;
int i;
RING_LOCALS;
DRM_DEBUG( "flags = 0x%x\n", flags );
dev_priv->stats.clears++;
if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) {
unsigned int tmp = flags;
flags &= ~(RADEON_FRONT | RADEON_BACK);
if ( tmp & RADEON_FRONT ) flags |= RADEON_BACK;
if ( tmp & RADEON_BACK ) flags |= RADEON_FRONT;
}
if ( flags & (RADEON_FRONT | RADEON_BACK) ) {
BEGIN_RING( 4 );
/* Ensure the 3D stream is idle before doing a
* 2D fill to clear the front or back buffer.
*/
RADEON_WAIT_UNTIL_3D_IDLE();
OUT_RING( CP_PACKET0( RADEON_DP_WRITE_MASK, 0 ) );
OUT_RING( clear->color_mask );
ADVANCE_RING();
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->ctx_owner = 0;
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",
x, y, w, h, flags );
if ( flags & RADEON_FRONT ) {
BEGIN_RING( 6 );
OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) );
OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL |
RADEON_GMC_BRUSH_SOLID_COLOR |
(dev_priv->color_fmt << 8) |
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_ROP3_P |
RADEON_GMC_CLR_CMP_CNTL_DIS );
OUT_RING( dev_priv->front_pitch_offset );
OUT_RING( clear->clear_color );
OUT_RING( (x << 16) | y );
OUT_RING( (w << 16) | h );
ADVANCE_RING();
}
if ( flags & RADEON_BACK ) {
BEGIN_RING( 6 );
OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) );
OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL |
RADEON_GMC_BRUSH_SOLID_COLOR |
(dev_priv->color_fmt << 8) |
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_ROP3_P |
RADEON_GMC_CLR_CMP_CNTL_DIS );
OUT_RING( dev_priv->back_pitch_offset );
OUT_RING( clear->clear_color );
OUT_RING( (x << 16) | y );
OUT_RING( (w << 16) | h );
ADVANCE_RING();
}
}
}
/* We have to clear the depth and/or stencil buffers by
* rendering a quad into just those buffers. Thus, we have to
* make sure the 3D engine is configured correctly.
*/
if ( dev_priv->is_r200 &&
(flags & (RADEON_DEPTH | RADEON_STENCIL)) ) {
int tempPP_CNTL;
int tempRE_CNTL;
int tempRB3D_CNTL;
int tempRB3D_ZSTENCILCNTL;
int tempRB3D_STENCILREFMASK;
int tempRB3D_PLANEMASK;
int tempSE_CNTL;
int tempSE_VTE_CNTL;
int tempSE_VTX_FMT_0;
int tempSE_VTX_FMT_1;
int tempSE_VAP_CNTL;
int tempRE_AUX_SCISSOR_CNTL;
tempPP_CNTL = 0;
tempRE_CNTL = 0;
tempRB3D_CNTL = depth_clear->rb3d_cntl;
tempRB3D_CNTL &= ~(1<<15); /* unset radeon magic flag */
tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl;
tempRB3D_STENCILREFMASK = 0x0;
tempSE_CNTL = depth_clear->se_cntl;
/* Disable TCL */
tempSE_VAP_CNTL = (/* SE_VAP_CNTL__FORCE_W_TO_ONE_MASK | */
(0x9 << SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT));
tempRB3D_PLANEMASK = 0x0;
tempRE_AUX_SCISSOR_CNTL = 0x0;
tempSE_VTE_CNTL =
SE_VTE_CNTL__VTX_XY_FMT_MASK |
SE_VTE_CNTL__VTX_Z_FMT_MASK;
/* Vertex format (X, Y, Z, W)*/
tempSE_VTX_FMT_0 =
SE_VTX_FMT_0__VTX_Z0_PRESENT_MASK |
SE_VTX_FMT_0__VTX_W0_PRESENT_MASK;
tempSE_VTX_FMT_1 = 0x0;
/*
* Depth buffer specific enables
*/
if (flags & RADEON_DEPTH) {
/* Enable depth buffer */
tempRB3D_CNTL |= RADEON_Z_ENABLE;
} else {
/* Disable depth buffer */
tempRB3D_CNTL &= ~RADEON_Z_ENABLE;
}
/*
* Stencil buffer specific enables
*/
if ( flags & RADEON_STENCIL ) {
tempRB3D_CNTL |= RADEON_STENCIL_ENABLE;
tempRB3D_STENCILREFMASK = clear->depth_mask;
} else {
tempRB3D_CNTL &= ~RADEON_STENCIL_ENABLE;
tempRB3D_STENCILREFMASK = 0x00000000;
}
BEGIN_RING( 26 );
RADEON_WAIT_UNTIL_2D_IDLE();
OUT_RING_REG( RADEON_PP_CNTL, tempPP_CNTL );
OUT_RING_REG( R200_RE_CNTL, tempRE_CNTL );
OUT_RING_REG( RADEON_RB3D_CNTL, tempRB3D_CNTL );
OUT_RING_REG( RADEON_RB3D_ZSTENCILCNTL,
tempRB3D_ZSTENCILCNTL );
OUT_RING_REG( RADEON_RB3D_STENCILREFMASK,
tempRB3D_STENCILREFMASK );
OUT_RING_REG( RADEON_RB3D_PLANEMASK, tempRB3D_PLANEMASK );
OUT_RING_REG( RADEON_SE_CNTL, tempSE_CNTL );
OUT_RING_REG( R200_SE_VTE_CNTL, tempSE_VTE_CNTL );
OUT_RING_REG( R200_SE_VTX_FMT_0, tempSE_VTX_FMT_0 );
OUT_RING_REG( R200_SE_VTX_FMT_1, tempSE_VTX_FMT_1 );
OUT_RING_REG( R200_SE_VAP_CNTL, tempSE_VAP_CNTL );
OUT_RING_REG( R200_RE_AUX_SCISSOR_CNTL,
tempRE_AUX_SCISSOR_CNTL );
ADVANCE_RING();
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->ctx_owner = 0;
for ( i = 0 ; i < nbox ; i++ ) {
/* Funny that this should be required --
* sets top-left?
*/
radeon_emit_clip_rect( dev_priv,
&sarea_priv->boxes[i] );
BEGIN_RING( 14 );
OUT_RING( CP_PACKET3( R200_3D_DRAW_IMMD_2, 12 ) );
OUT_RING( (RADEON_PRIM_TYPE_RECT_LIST |
RADEON_PRIM_WALK_RING |
(3 << RADEON_NUM_VERTICES_SHIFT)) );
OUT_RING( depth_boxes[i].ui[CLEAR_X1] );
OUT_RING( depth_boxes[i].ui[CLEAR_Y1] );
OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] );
OUT_RING( 0x3f800000 );
OUT_RING( depth_boxes[i].ui[CLEAR_X1] );
OUT_RING( depth_boxes[i].ui[CLEAR_Y2] );
OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] );
OUT_RING( 0x3f800000 );
OUT_RING( depth_boxes[i].ui[CLEAR_X2] );
OUT_RING( depth_boxes[i].ui[CLEAR_Y2] );
OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] );
OUT_RING( 0x3f800000 );
ADVANCE_RING();
}
}
else if ( (flags & (RADEON_DEPTH | RADEON_STENCIL)) ) {
rb3d_cntl = depth_clear->rb3d_cntl;
if ( flags & RADEON_DEPTH ) {
rb3d_cntl |= RADEON_Z_ENABLE;
} else {
rb3d_cntl &= ~RADEON_Z_ENABLE;
}
if ( flags & RADEON_STENCIL ) {
rb3d_cntl |= RADEON_STENCIL_ENABLE;
rb3d_stencilrefmask = clear->depth_mask; /* misnamed field */
} else {
rb3d_cntl &= ~RADEON_STENCIL_ENABLE;
rb3d_stencilrefmask = 0x00000000;
}
BEGIN_RING( 13 );
RADEON_WAIT_UNTIL_2D_IDLE();
OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 1 ) );
OUT_RING( 0x00000000 );
OUT_RING( rb3d_cntl );
OUT_RING_REG( RADEON_RB3D_ZSTENCILCNTL,
depth_clear->rb3d_zstencilcntl );
OUT_RING_REG( RADEON_RB3D_STENCILREFMASK,
rb3d_stencilrefmask );
OUT_RING_REG( RADEON_RB3D_PLANEMASK,
0x00000000 );
OUT_RING_REG( RADEON_SE_CNTL,
depth_clear->se_cntl );
ADVANCE_RING();
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->ctx_owner = 0;
for ( i = 0 ; i < nbox ; i++ ) {
/* Funny that this should be required --
* sets top-left?
*/
radeon_emit_clip_rect( dev_priv,
&sarea_priv->boxes[i] );
BEGIN_RING( 15 );
OUT_RING( CP_PACKET3( RADEON_3D_DRAW_IMMD, 13 ) );
OUT_RING( RADEON_VTX_Z_PRESENT |
RADEON_VTX_PKCOLOR_PRESENT);
OUT_RING( (RADEON_PRIM_TYPE_RECT_LIST |
RADEON_PRIM_WALK_RING |
RADEON_MAOS_ENABLE |
RADEON_VTX_FMT_RADEON_MODE |
(3 << RADEON_NUM_VERTICES_SHIFT)) );
OUT_RING( depth_boxes[i].ui[CLEAR_X1] );
OUT_RING( depth_boxes[i].ui[CLEAR_Y1] );
OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] );
OUT_RING( 0x0 );
OUT_RING( depth_boxes[i].ui[CLEAR_X1] );
OUT_RING( depth_boxes[i].ui[CLEAR_Y2] );
OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] );
OUT_RING( 0x0 );
OUT_RING( depth_boxes[i].ui[CLEAR_X2] );
OUT_RING( depth_boxes[i].ui[CLEAR_Y2] );
OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] );
OUT_RING( 0x0 );
ADVANCE_RING();
}
}
/* Increment the clear counter. The client-side 3D driver must
* wait on this value before performing the clear ioctl. We
* need this because the card's so damned fast...
*/
dev_priv->sarea_priv->last_clear++;
BEGIN_RING( 4 );
RADEON_CLEAR_AGE( dev_priv->sarea_priv->last_clear );
RADEON_WAIT_UNTIL_IDLE();
ADVANCE_RING();
}
static void radeon_cp_dispatch_swap( drm_device_t *dev )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_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( "\n" );
/* Do some trivial performance monitoring...
*/
if (dev_priv->do_boxes)
radeon_cp_performance_boxes( dev_priv );
/* Wait for the 3D stream to idle before dispatching the bitblt.
* This will prevent data corruption between the two streams.
*/
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_3D_IDLE();
ADVANCE_RING();
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 swap %d,%d-%d,%d\n",
x, y, w, h );
BEGIN_RING( 7 );
OUT_RING( CP_PACKET3( RADEON_CNTL_BITBLT_MULTI, 5 ) );
OUT_RING( RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
RADEON_GMC_DST_PITCH_OFFSET_CNTL |
RADEON_GMC_BRUSH_NONE |
(dev_priv->color_fmt << 8) |
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_ROP3_S |
RADEON_DP_SRC_SOURCE_MEMORY |
RADEON_GMC_CLR_CMP_CNTL_DIS |
RADEON_GMC_WR_MSK_DIS );
/* Make this work even if front & back are flipped:
*/
if (dev_priv->current_page == 0) {
OUT_RING( dev_priv->back_pitch_offset );
OUT_RING( dev_priv->front_pitch_offset );
}
else {
OUT_RING( dev_priv->front_pitch_offset );
OUT_RING( dev_priv->back_pitch_offset );
}
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( 4 );
RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame );
RADEON_WAIT_UNTIL_2D_IDLE();
ADVANCE_RING();
}
static void radeon_cp_dispatch_flip( drm_device_t *dev )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_sarea_t *sarea = (drm_sarea_t *)dev_priv->sarea->handle;
int offset = (dev_priv->current_page == 1)
? dev_priv->front_offset : dev_priv->back_offset;
RING_LOCALS;
DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n",
__FUNCTION__,
dev_priv->current_page,
dev_priv->sarea_priv->pfCurrentPage);
/* Do some trivial performance monitoring...
*/
if (dev_priv->do_boxes) {
dev_priv->stats.boxes |= RADEON_BOX_FLIP;
radeon_cp_performance_boxes( dev_priv );
}
/* Update the frame offsets for both CRTCs
*/
BEGIN_RING( 6 );
RADEON_WAIT_UNTIL_3D_IDLE();
OUT_RING_REG( RADEON_CRTC_OFFSET, ( ( sarea->frame.y * dev_priv->front_pitch
+ sarea->frame.x
* ( dev_priv->color_fmt - 2 ) ) & ~7 )
+ offset );
OUT_RING_REG( RADEON_CRTC2_OFFSET, dev_priv->sarea_priv->crtc2_base
+ offset );
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++;
dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page =
1 - dev_priv->current_page;
BEGIN_RING( 2 );
RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame );
ADVANCE_RING();
}
static int bad_prim_vertex_nr( int primitive, int nr )
{
switch (primitive & RADEON_PRIM_TYPE_MASK) {
case RADEON_PRIM_TYPE_NONE:
case RADEON_PRIM_TYPE_POINT:
return nr < 1;
case RADEON_PRIM_TYPE_LINE:
return (nr & 1) || nr == 0;
case RADEON_PRIM_TYPE_LINE_STRIP:
return nr < 2;
case RADEON_PRIM_TYPE_TRI_LIST:
case RADEON_PRIM_TYPE_3VRT_POINT_LIST:
case RADEON_PRIM_TYPE_3VRT_LINE_LIST:
case RADEON_PRIM_TYPE_RECT_LIST:
return nr % 3 || nr == 0;
case RADEON_PRIM_TYPE_TRI_FAN:
case RADEON_PRIM_TYPE_TRI_STRIP:
return nr < 3;
default:
return 1;
}
}
typedef struct {
unsigned int start;
unsigned int finish;
unsigned int prim;
unsigned int numverts;
unsigned int offset;
unsigned int vc_format;
} drm_radeon_tcl_prim_t;
static void radeon_cp_dispatch_vertex( drm_device_t *dev,
drm_buf_t *buf,
drm_radeon_tcl_prim_t *prim,
drm_clip_rect_t *boxes,
int nbox )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_clip_rect_t box;
int offset = dev_priv->agp_buffers_offset + buf->offset + prim->start;
int numverts = (int)prim->numverts;
int i = 0;
RING_LOCALS;
DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d %d verts\n",
prim->prim,
prim->vc_format,
prim->start,
prim->finish,
prim->numverts);
if (bad_prim_vertex_nr( prim->prim, prim->numverts )) {
DRM_ERROR( "bad prim %x numverts %d\n",
prim->prim, prim->numverts );
return;
}
do {
/* Emit the next cliprect */
if ( i < nbox ) {
if (__copy_from_user( &box, &boxes[i], sizeof(box) ))
return;
radeon_emit_clip_rect( dev_priv, &box );
}
/* Emit the vertex buffer rendering commands */
BEGIN_RING( 5 );
OUT_RING( CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, 3 ) );
OUT_RING( offset );
OUT_RING( numverts );
OUT_RING( prim->vc_format );
OUT_RING( prim->prim | RADEON_PRIM_WALK_LIST |
RADEON_COLOR_ORDER_RGBA |
RADEON_VTX_FMT_RADEON_MODE |
(numverts << RADEON_NUM_VERTICES_SHIFT) );
ADVANCE_RING();
i++;
} while ( i < nbox );
}
static void radeon_cp_discard_buffer( drm_device_t *dev, drm_buf_t *buf )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
RING_LOCALS;
buf_priv->age = ++dev_priv->sarea_priv->last_dispatch;
/* Emit the vertex buffer age */
BEGIN_RING( 2 );
RADEON_DISPATCH_AGE( buf_priv->age );
ADVANCE_RING();
buf->pending = 1;
buf->used = 0;
}
static void radeon_cp_dispatch_indirect( drm_device_t *dev,
drm_buf_t *buf,
int start, int end )
{
drm_radeon_private_t *dev_priv = dev->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 = (dev_priv->agp_buffers_offset
+ buf->offset + start);
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 CP packet.
*/
if ( dwords & 1 ) {
u32 *data = (u32 *)
((char *)dev_priv->buffers->handle
+ buf->offset + start);
data[dwords++] = RADEON_CP_PACKET2;
}
/* Fire off the indirect buffer */
BEGIN_RING( 3 );
OUT_RING( CP_PACKET0( RADEON_CP_IB_BASE, 1 ) );
OUT_RING( offset );
OUT_RING( dwords );
ADVANCE_RING();
}
}
static void radeon_cp_dispatch_indices( drm_device_t *dev,
drm_buf_t *elt_buf,
drm_radeon_tcl_prim_t *prim,
drm_clip_rect_t *boxes,
int nbox )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_clip_rect_t box;
int offset = dev_priv->agp_buffers_offset + prim->offset;
u32 *data;
int dwords;
int i = 0;
int start = prim->start + RADEON_INDEX_PRIM_OFFSET;
int count = (prim->finish - start) / sizeof(u16);
DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d offset: %x nr %d\n",
prim->prim,
prim->vc_format,
prim->start,
prim->finish,
prim->offset,
prim->numverts);
if (bad_prim_vertex_nr( prim->prim, count )) {
DRM_ERROR( "bad prim %x count %d\n",
prim->prim, count );
return;
}
if ( start >= prim->finish ||
(prim->start & 0x7) ) {
DRM_ERROR( "buffer prim %d\n", prim->prim );
return;
}
dwords = (prim->finish - prim->start + 3) / sizeof(u32);
data = (u32 *)((char *)dev_priv->buffers->handle +
elt_buf->offset + prim->start);
data[0] = CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, dwords-2 );
data[1] = offset;
data[2] = prim->numverts;
data[3] = prim->vc_format;
data[4] = (prim->prim |
RADEON_PRIM_WALK_IND |
RADEON_COLOR_ORDER_RGBA |
RADEON_VTX_FMT_RADEON_MODE |
(count << RADEON_NUM_VERTICES_SHIFT) );
do {
if ( i < nbox ) {
if (__copy_from_user( &box, &boxes[i], sizeof(box) ))
return;
radeon_emit_clip_rect( dev_priv, &box );
}
radeon_cp_dispatch_indirect( dev, elt_buf,
prim->start,
prim->finish );
i++;
} while ( i < nbox );
}
#define RADEON_MAX_TEXTURE_SIZE (RADEON_BUFFER_SIZE - 8 * sizeof(u32))
static int radeon_cp_dispatch_texture( drm_device_t *dev,
drm_radeon_texture_t *tex,
drm_radeon_tex_image_t *image )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_buf_t *buf;
u32 format;
u32 *buffer;
const u8 *data;
int size, dwords, tex_width, blit_width;
u32 height;
int i;
RING_LOCALS;
dev_priv->stats.boxes |= RADEON_BOX_TEXTURE_LOAD;
/* Flush the pixel cache. 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( 4 );
RADEON_FLUSH_CACHE();
RADEON_WAIT_UNTIL_IDLE();
ADVANCE_RING();
#ifdef __BIG_ENDIAN
/* The Mesa texture functions provide the data in little endian as the
* chip wants it, but we need to compensate for the fact that the CP
* ring gets byte-swapped
*/
BEGIN_RING( 2 );
OUT_RING_REG( RADEON_RBBM_GUICNTL, RADEON_HOST_DATA_SWAP_32BIT );
ADVANCE_RING();
#endif
/* 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 ( tex->format ) {
case RADEON_TXFORMAT_ARGB8888:
case RADEON_TXFORMAT_RGBA8888:
format = RADEON_COLOR_FORMAT_ARGB8888;
tex_width = tex->width * 4;
blit_width = image->width * 4;
break;
case RADEON_TXFORMAT_AI88:
case RADEON_TXFORMAT_ARGB1555:
case RADEON_TXFORMAT_RGB565:
case RADEON_TXFORMAT_ARGB4444:
case RADEON_TXFORMAT_VYUY422:
case RADEON_TXFORMAT_YVYU422:
format = RADEON_COLOR_FORMAT_RGB565;
tex_width = tex->width * 2;
blit_width = image->width * 2;
break;
case RADEON_TXFORMAT_I8:
case RADEON_TXFORMAT_RGB332:
format = RADEON_COLOR_FORMAT_CI8;
tex_width = tex->width * 1;
blit_width = image->width * 1;
break;
default:
DRM_ERROR( "invalid texture format %d\n", tex->format );
return -EINVAL;
}
DRM_DEBUG("tex=%dx%d blit=%d\n", tex_width, tex->height, blit_width );
do {
DRM_DEBUG( "tex: ofs=0x%x p=%d f=%d x=%hd y=%hd w=%hd h=%hd\n",
tex->offset >> 10, tex->pitch, tex->format,
image->x, image->y, image->width, image->height );
/* Make a copy of some parameters in case we have to
* update them for a multi-pass texture blit.
*/
height = image->height;
data = (const u8 *)image->data;
size = height * blit_width;
if ( size > RADEON_MAX_TEXTURE_SIZE ) {
height = RADEON_MAX_TEXTURE_SIZE / blit_width;
size = height * blit_width;
} else if ( size < 4 && size > 0 ) {
size = 4;
} else if ( size == 0 ) {
return 0;
}
buf = radeon_freelist_get( dev );
if ( 0 && !buf ) {
radeon_do_cp_idle( dev_priv );
buf = radeon_freelist_get( dev );
}
if ( !buf ) {
DRM_DEBUG("radeon_cp_dispatch_texture: EAGAIN\n");
copy_to_user( tex->image, image, sizeof(*image) );
return -EAGAIN;
}
/* Dispatch the indirect buffer.
*/
buffer = (u32*)((char*)dev_priv->buffers->handle + buf->offset);
dwords = size / 4;
buffer[0] = CP_PACKET3( RADEON_CNTL_HOSTDATA_BLT, dwords + 6 );
buffer[1] = (RADEON_GMC_DST_PITCH_OFFSET_CNTL |
RADEON_GMC_BRUSH_NONE |
(format << 8) |
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_ROP3_S |
RADEON_DP_SRC_SOURCE_HOST_DATA |
RADEON_GMC_CLR_CMP_CNTL_DIS |
RADEON_GMC_WR_MSK_DIS);
buffer[2] = (tex->pitch << 22) | (tex->offset >> 10);
buffer[3] = 0xffffffff;
buffer[4] = 0xffffffff;
buffer[5] = (image->y << 16) | image->x;
buffer[6] = (height << 16) | image->width;
buffer[7] = dwords;
buffer += 8;
if ( tex_width >= 32 ) {
/* Texture image width is larger than the minimum, so we
* can upload it directly.
*/
if ( copy_from_user( buffer, data, dwords * sizeof(u32) ) ) {
DRM_ERROR( "EFAULT on data, %d dwords\n", dwords );
return -EFAULT;
}
} else {
/* Texture image width is less than the minimum, so we
* need to pad out each image scanline to the minimum
* width.
*/
for ( i = 0 ; i < tex->height ; i++ ) {
if ( copy_from_user( buffer, data, tex_width ) ) {
DRM_ERROR( "EFAULT on pad, %d bytes\n",
tex_width );
return -EFAULT;
}
buffer += 8;
data += tex_width;
}
}
buf->pid = current->pid;
buf->used = (dwords + 8) * sizeof(u32);
radeon_cp_dispatch_indirect( dev, buf, 0, buf->used );
radeon_cp_discard_buffer( dev, buf );
/* Update the input parameters for next time */
image->y += height;
image->height -= height;
image->data = (const u8 *)image->data + size;
} while (image->height > 0);
/* Flush the pixel cache after the blit completes. This ensures
* the texture data is written out to memory before rendering
* continues.
*/
BEGIN_RING( 4 );
RADEON_FLUSH_CACHE();
RADEON_WAIT_UNTIL_2D_IDLE();
ADVANCE_RING();
return 0;
}
static void radeon_cp_dispatch_stipple( drm_device_t *dev, u32 *stipple )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
int i;
RING_LOCALS;
DRM_DEBUG( "\n" );
BEGIN_RING( 35 );
OUT_RING( CP_PACKET0( RADEON_RE_STIPPLE_ADDR, 0 ) );
OUT_RING( 0x00000000 );
OUT_RING( CP_PACKET0_TABLE( RADEON_RE_STIPPLE_DATA, 31 ) );
for ( i = 0 ; i < 32 ; i++ ) {
OUT_RING( stipple[i] );
}
ADVANCE_RING();
}
/* ================================================================
* IOCTL functions
*/
int radeon_cp_clear( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_radeon_clear_t clear;
drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS];
DRM_DEBUG( "\n" );
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &clear, (drm_radeon_clear_t *)arg,
sizeof(clear) ) )
return -EFAULT;
RING_SPACE_TEST_WITH_RETURN( dev_priv );
if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS )
sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
if ( copy_from_user( &depth_boxes, clear.depth_boxes,
sarea_priv->nbox * sizeof(depth_boxes[0]) ) )
return -EFAULT;
radeon_cp_dispatch_clear( dev, &clear, depth_boxes );
COMMIT_RING();
return 0;
}
/* Not sure why this isn't set all the time:
*/
static int radeon_do_init_pageflip( drm_device_t *dev )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
DRM_DEBUG( "\n" );
BEGIN_RING( 6 );
RADEON_WAIT_UNTIL_3D_IDLE();
OUT_RING( CP_PACKET0( RADEON_CRTC_OFFSET_CNTL, 0 ) );
OUT_RING( RADEON_READ( RADEON_CRTC_OFFSET_CNTL ) | RADEON_CRTC_OFFSET_FLIP_CNTL );
OUT_RING( CP_PACKET0( RADEON_CRTC2_OFFSET_CNTL, 0 ) );
OUT_RING( RADEON_READ( RADEON_CRTC2_OFFSET_CNTL ) | RADEON_CRTC_OFFSET_FLIP_CNTL );
ADVANCE_RING();
dev_priv->page_flipping = 1;
dev_priv->current_page = 0;
dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page;
return 0;
}
/* Called whenever a client dies, from DRM(release).
* NOTE: Lock isn't necessarily held when this is called!
*/
int radeon_do_cleanup_pageflip( drm_device_t *dev )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
DRM_DEBUG( "\n" );
if (dev_priv->current_page != 0)
radeon_cp_dispatch_flip( dev );
dev_priv->page_flipping = 0;
return 0;
}
/* Swapping and flipping are different operations, need different ioctls.
* They can & should be intermixed to support multiple 3d windows.
*/
int radeon_cp_flip(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
DRM_DEBUG( "\n" );
LOCK_TEST_WITH_RETURN( dev );
RING_SPACE_TEST_WITH_RETURN( dev_priv );
if (!dev_priv->page_flipping)
radeon_do_init_pageflip( dev );
radeon_cp_dispatch_flip( dev );
COMMIT_RING();
return 0;
}
int radeon_cp_swap( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
DRM_DEBUG( "\n" );
LOCK_TEST_WITH_RETURN( dev );
RING_SPACE_TEST_WITH_RETURN( dev_priv );
if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS )
sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
radeon_cp_dispatch_swap( dev );
dev_priv->sarea_priv->ctx_owner = 0;
COMMIT_RING();
return 0;
}
int radeon_cp_vertex( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_radeon_vertex_t vertex;
drm_radeon_tcl_prim_t prim;
LOCK_TEST_WITH_RETURN( dev );
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return -EINVAL;
}
if ( copy_from_user( &vertex, (drm_radeon_vertex_t *)arg,
sizeof(vertex) ) )
return -EFAULT;
DRM_DEBUG( "pid=%d index=%d count=%d discard=%d\n",
current->pid,
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 );
return -EINVAL;
}
if ( vertex.prim < 0 ||
vertex.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) {
DRM_ERROR( "buffer prim %d\n", vertex.prim );
return -EINVAL;
}
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
buf = dma->buflist[vertex.idx];
if ( buf->pid != current->pid ) {
DRM_ERROR( "process %d using buffer owned by %d\n",
current->pid, buf->pid );
return -EINVAL;
}
if ( buf->pending ) {
DRM_ERROR( "sending pending buffer %d\n", vertex.idx );
return -EINVAL;
}
/* Build up a prim_t record:
*/
if (vertex.count) {
buf->used = vertex.count; /* not used? */
if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) {
radeon_emit_state( dev_priv,
&sarea_priv->context_state,
sarea_priv->tex_state,
sarea_priv->dirty );
sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
RADEON_UPLOAD_TEX1IMAGES |
RADEON_UPLOAD_TEX2IMAGES |
RADEON_REQUIRE_QUIESCENCE);
}
prim.start = 0;
prim.finish = vertex.count; /* unused */
prim.prim = vertex.prim;
prim.numverts = vertex.count;
prim.vc_format = dev_priv->sarea_priv->vc_format;
radeon_cp_dispatch_vertex( dev, buf, &prim,
dev_priv->sarea_priv->boxes,
dev_priv->sarea_priv->nbox );
}
if (vertex.discard) {
radeon_cp_discard_buffer( dev, buf );
}
COMMIT_RING();
return 0;
}
int radeon_cp_indices( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_radeon_indices_t elts;
drm_radeon_tcl_prim_t prim;
int count;
LOCK_TEST_WITH_RETURN( dev );
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return -EINVAL;
}
if ( copy_from_user( &elts, (drm_radeon_indices_t *)arg,
sizeof(elts) ) )
return -EFAULT;
DRM_DEBUG( "%s: pid=%d index=%d start=%d end=%d discard=%d\n",
__FUNCTION__, current->pid,
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 );
return -EINVAL;
}
if ( elts.prim < 0 ||
elts.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) {
DRM_ERROR( "buffer prim %d\n", elts.prim );
return -EINVAL;
}
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
buf = dma->buflist[elts.idx];
if ( buf->pid != current->pid ) {
DRM_ERROR( "process %d using buffer owned by %d\n",
current->pid, buf->pid );
return -EINVAL;
}
if ( buf->pending ) {
DRM_ERROR( "sending pending buffer %d\n", elts.idx );
return -EINVAL;
}
count = (elts.end - elts.start) / sizeof(u16);
elts.start -= RADEON_INDEX_PRIM_OFFSET;
if ( elts.start & 0x7 ) {
DRM_ERROR( "misaligned buffer 0x%x\n", elts.start );
return -EINVAL;
}
if ( elts.start < buf->used ) {
DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used );
return -EINVAL;
}
buf->used = elts.end;
if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) {
radeon_emit_state( dev_priv,
&sarea_priv->context_state,
sarea_priv->tex_state,
sarea_priv->dirty );
sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
RADEON_UPLOAD_TEX1IMAGES |
RADEON_UPLOAD_TEX2IMAGES |
RADEON_REQUIRE_QUIESCENCE);
}
/* Build up a prim_t record:
*/
prim.start = elts.start;
prim.finish = elts.end;
prim.prim = elts.prim;
prim.offset = 0; /* offset from start of dma buffers */
prim.numverts = RADEON_MAX_VB_VERTS; /* duh */
prim.vc_format = dev_priv->sarea_priv->vc_format;
radeon_cp_dispatch_indices( dev, buf, &prim,
dev_priv->sarea_priv->boxes,
dev_priv->sarea_priv->nbox );
if (elts.discard) {
radeon_cp_discard_buffer( dev, buf );
}
COMMIT_RING();
return 0;
}
int radeon_cp_texture( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_texture_t tex;
drm_radeon_tex_image_t image;
int ret;
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &tex, (drm_radeon_texture_t *)arg, sizeof(tex) ) )
return -EFAULT;
if ( tex.image == NULL ) {
DRM_ERROR( "null texture image!\n" );
return -EINVAL;
}
if ( copy_from_user( &image,
(drm_radeon_tex_image_t *)tex.image,
sizeof(image) ) )
return -EFAULT;
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
ret = radeon_cp_dispatch_texture( dev, &tex, &image );
COMMIT_RING();
return ret;
}
int radeon_cp_stipple( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_stipple_t stipple;
u32 mask[32];
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &stipple, (drm_radeon_stipple_t *)arg,
sizeof(stipple) ) )
return -EFAULT;
if ( copy_from_user( &mask, stipple.mask, 32 * sizeof(u32) ) )
return -EFAULT;
RING_SPACE_TEST_WITH_RETURN( dev_priv );
radeon_cp_dispatch_stipple( dev, mask );
COMMIT_RING();
return 0;
}
int radeon_cp_indirect( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_radeon_indirect_t indirect;
RING_LOCALS;
LOCK_TEST_WITH_RETURN( dev );
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return -EINVAL;
}
if ( copy_from_user( &indirect, (drm_radeon_indirect_t *)arg,
sizeof(indirect) ) )
return -EFAULT;
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 );
return -EINVAL;
}
buf = dma->buflist[indirect.idx];
if ( buf->pid != current->pid ) {
DRM_ERROR( "process %d using buffer owned by %d\n",
current->pid, buf->pid );
return -EINVAL;
}
if ( buf->pending ) {
DRM_ERROR( "sending pending buffer %d\n", indirect.idx );
return -EINVAL;
}
if ( indirect.start < buf->used ) {
DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n",
indirect.start, buf->used );
return -EINVAL;
}
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
buf->used = indirect.end;
/* Wait for the 3D stream to idle before the indirect buffer
* containing 2D acceleration commands is processed.
*/
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_3D_IDLE();
ADVANCE_RING();
/* Dispatch the indirect buffer full of commands from the
* X server. This is insecure and is thus only available to
* privileged clients.
*/
radeon_cp_dispatch_indirect( dev, buf, indirect.start, indirect.end );
if (indirect.discard) {
radeon_cp_discard_buffer( dev, buf );
}
COMMIT_RING();
return 0;
}
int radeon_cp_vertex2(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_radeon_vertex2_t vertex;
int i;
unsigned char laststate;
LOCK_TEST_WITH_RETURN( dev );
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return -EINVAL;
}
DRM_COPY_FROM_USER_IOCTL( vertex, (drm_radeon_vertex2_t *)data,
sizeof(vertex) );
DRM_DEBUG( "pid=%d index=%d discard=%d\n",
current->pid,
vertex.idx, 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 );
return -EINVAL;
}
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
buf = dma->buflist[vertex.idx];
if ( buf->pid != current->pid ) {
DRM_ERROR( "process %d using buffer owned by %d\n",
current->pid, buf->pid );
return -EINVAL;
}
if ( buf->pending ) {
DRM_ERROR( "sending pending buffer %d\n", vertex.idx );
return -EINVAL;
}
if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
return -EINVAL;
for (laststate = 0xff, i = 0 ; i < vertex.nr_prims ; i++) {
drm_radeon_prim_t prim;
drm_radeon_tcl_prim_t tclprim;
if ( copy_from_user( &prim, &vertex.prim[i], sizeof(prim) ) )
return -EFAULT;
if ( prim.stateidx != laststate ) {
drm_radeon_state_t state;
if ( copy_from_user( &state,
&vertex.state[prim.stateidx],
sizeof(state) ) )
return -EFAULT;
radeon_emit_state2( dev_priv, &state );
laststate = prim.stateidx;
}
tclprim.start = prim.start;
tclprim.finish = prim.finish;
tclprim.prim = prim.prim;
tclprim.vc_format = prim.vc_format;
if ( prim.prim & RADEON_PRIM_WALK_IND ) {
tclprim.offset = prim.numverts * 64;
tclprim.numverts = RADEON_MAX_VB_VERTS; /* duh */
radeon_cp_dispatch_indices( dev, buf, &tclprim,
sarea_priv->boxes,
sarea_priv->nbox);
} else {
tclprim.numverts = prim.numverts;
tclprim.offset = 0; /* not used */
radeon_cp_dispatch_vertex( dev, buf, &tclprim,
sarea_priv->boxes,
sarea_priv->nbox);
}
if (sarea_priv->nbox == 1)
sarea_priv->nbox = 0;
}
if ( vertex.discard ) {
radeon_cp_discard_buffer( dev, buf );
}
COMMIT_RING();
return 0;
}
static int radeon_emit_packets(
drm_radeon_private_t *dev_priv,
drm_radeon_cmd_header_t header,
drm_radeon_cmd_buffer_t *cmdbuf )
{
int id = (int)header.packet.packet_id;
int sz, reg;
int *data = (int *)cmdbuf->buf;
RING_LOCALS;
if (id >= RADEON_MAX_STATE_PACKETS)
return -EINVAL;
sz = packet[id].len;
reg = packet[id].start;
if (sz * sizeof(int) > cmdbuf->bufsz)
return -EINVAL;
BEGIN_RING(sz+1);
OUT_RING( CP_PACKET0( reg, (sz-1) ) );
OUT_RING_USER_TABLE( data, sz );
ADVANCE_RING();
cmdbuf->buf += sz * sizeof(int);
cmdbuf->bufsz -= sz * sizeof(int);
return 0;
}
static __inline__ int radeon_emit_scalars(
drm_radeon_private_t *dev_priv,
drm_radeon_cmd_header_t header,
drm_radeon_cmd_buffer_t *cmdbuf )
{
int sz = header.scalars.count;
int *data = (int *)cmdbuf->buf;
int start = header.scalars.offset;
int stride = header.scalars.stride;
RING_LOCALS;
BEGIN_RING( 3+sz );
OUT_RING( CP_PACKET0( RADEON_SE_TCL_SCALAR_INDX_REG, 0 ) );
OUT_RING( start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
OUT_RING( CP_PACKET0_TABLE( RADEON_SE_TCL_SCALAR_DATA_REG, sz-1 ) );
OUT_RING_USER_TABLE( data, sz );
ADVANCE_RING();
cmdbuf->buf += sz * sizeof(int);
cmdbuf->bufsz -= sz * sizeof(int);
return 0;
}
/* God this is ugly
*/
static __inline__ int radeon_emit_scalars2(
drm_radeon_private_t *dev_priv,
drm_radeon_cmd_header_t header,
drm_radeon_cmd_buffer_t *cmdbuf )
{
int sz = header.scalars.count;
int *data = (int *)cmdbuf->buf;
int start = ((unsigned int)header.scalars.offset) + 0x100;
int stride = header.scalars.stride;
RING_LOCALS;
BEGIN_RING( 3+sz );
OUT_RING( CP_PACKET0( RADEON_SE_TCL_SCALAR_INDX_REG, 0 ) );
OUT_RING( start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
OUT_RING( CP_PACKET0_TABLE( RADEON_SE_TCL_SCALAR_DATA_REG, sz-1 ) );
OUT_RING_USER_TABLE( data, sz );
ADVANCE_RING();
cmdbuf->buf += sz * sizeof(int);
cmdbuf->bufsz -= sz * sizeof(int);
return 0;
}
static __inline__ int radeon_emit_vectors(
drm_radeon_private_t *dev_priv,
drm_radeon_cmd_header_t header,
drm_radeon_cmd_buffer_t *cmdbuf )
{
int sz = header.vectors.count;
int *data = (int *)cmdbuf->buf;
int start = header.vectors.offset;
int stride = header.vectors.stride;
RING_LOCALS;
BEGIN_RING( 3+sz );
OUT_RING( CP_PACKET0( RADEON_SE_TCL_VECTOR_INDX_REG, 0 ) );
OUT_RING( start | (stride << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
OUT_RING( CP_PACKET0_TABLE( RADEON_SE_TCL_VECTOR_DATA_REG, (sz-1) ) );
OUT_RING_USER_TABLE( data, sz );
ADVANCE_RING();
cmdbuf->buf += sz * sizeof(int);
cmdbuf->bufsz -= sz * sizeof(int);
return 0;
}
static int radeon_emit_packet3( drm_device_t *dev,
drm_radeon_cmd_buffer_t *cmdbuf )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
int cmdsz, tmp;
int *cmd = (int *)cmdbuf->buf;
RING_LOCALS;
DRM_DEBUG("\n");
if (__get_user( tmp, &cmd[0]))
return -EFAULT;
cmdsz = 2 + ((tmp & RADEON_CP_PACKET_COUNT_MASK) >> 16);
if ((tmp & 0xc0000000) != RADEON_CP_PACKET3 ||
cmdsz * 4 > cmdbuf->bufsz)
return -EINVAL;
BEGIN_RING( cmdsz );
OUT_RING_USER_TABLE( cmd, cmdsz );
ADVANCE_RING();
cmdbuf->buf += cmdsz * 4;
cmdbuf->bufsz -= cmdsz * 4;
return 0;
}
static int radeon_emit_packet3_cliprect( drm_device_t *dev,
drm_radeon_cmd_buffer_t *cmdbuf,
int orig_nbox )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_clip_rect_t box;
int cmdsz, tmp;
int *cmd = (int *)cmdbuf->buf;
drm_clip_rect_t *boxes = cmdbuf->boxes;
int i = 0;
RING_LOCALS;
DRM_DEBUG("\n");
if (__get_user( tmp, &cmd[0]))
return -EFAULT;
cmdsz = 2 + ((tmp & RADEON_CP_PACKET_COUNT_MASK) >> 16);
if ((tmp & 0xc0000000) != RADEON_CP_PACKET3 ||
cmdsz * 4 > cmdbuf->bufsz)
return -EINVAL;
if (!orig_nbox)
goto out;
do {
if ( i < cmdbuf->nbox ) {
if (__copy_from_user( &box, &boxes[i], sizeof(box) ))
return -EFAULT;
/* FIXME The second and subsequent times round
* this loop, send a WAIT_UNTIL_3D_IDLE before
* calling emit_clip_rect(). This fixes a
* lockup on fast machines when sending
* several cliprects with a cmdbuf, as when
* waving a 2D window over a 3D
* window. Something in the commands from user
* space seems to hang the card when they're
* sent several times in a row. That would be
* the correct place to fix it but this works
* around it until I can figure that out - Tim
* Smith */
if ( i ) {
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_3D_IDLE();
ADVANCE_RING();
}
radeon_emit_clip_rect( dev_priv, &box );
}
BEGIN_RING( cmdsz );
OUT_RING_USER_TABLE( cmd, cmdsz );
ADVANCE_RING();
} while ( ++i < cmdbuf->nbox );
if (cmdbuf->nbox == 1)
cmdbuf->nbox = 0;
out:
cmdbuf->buf += cmdsz * 4;
cmdbuf->bufsz -= cmdsz * 4;
return 0;
}
static int radeon_emit_wait( drm_device_t *dev, int flags )
{
drm_radeon_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
DRM_DEBUG("%s: %x\n", __FUNCTION__, flags);
switch (flags) {
case RADEON_WAIT_2D:
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_2D_IDLE();
ADVANCE_RING();
break;
case RADEON_WAIT_3D:
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_3D_IDLE();
ADVANCE_RING();
break;
case RADEON_WAIT_2D|RADEON_WAIT_3D:
BEGIN_RING( 2 );
RADEON_WAIT_UNTIL_IDLE();
ADVANCE_RING();
break;
default:
return -EINVAL;
}
return 0;
}
int radeon_cp_cmdbuf(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf = 0;
int idx;
drm_radeon_cmd_buffer_t cmdbuf;
drm_radeon_cmd_header_t header;
int orig_nbox;
LOCK_TEST_WITH_RETURN( dev );
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return -EINVAL;
}
DRM_COPY_FROM_USER_IOCTL( cmdbuf, (drm_radeon_cmd_buffer_t *)data,
sizeof(cmdbuf) );
RING_SPACE_TEST_WITH_RETURN( dev_priv );
VB_AGE_TEST_WITH_RETURN( dev_priv );
if (verify_area( VERIFY_READ, cmdbuf.buf, cmdbuf.bufsz ))
return -EFAULT;
if (cmdbuf.nbox &&
verify_area( VERIFY_READ, cmdbuf.boxes,
cmdbuf.nbox * sizeof(drm_clip_rect_t)))
return -EFAULT;
orig_nbox = cmdbuf.nbox;
while ( cmdbuf.bufsz >= sizeof(header) ) {
if (__get_user( header.i, (int *)cmdbuf.buf )) {
DRM_ERROR("__get_user %p\n", cmdbuf.buf);
return -EFAULT;
}
cmdbuf.buf += sizeof(header);
cmdbuf.bufsz -= sizeof(header);
switch (header.header.cmd_type) {
case RADEON_CMD_PACKET:
DRM_DEBUG("RADEON_CMD_PACKET\n");
if (radeon_emit_packets( dev_priv, header, &cmdbuf )) {
DRM_ERROR("radeon_emit_packets failed\n");
return -EINVAL;
}
break;
case RADEON_CMD_SCALARS:
DRM_DEBUG("RADEON_CMD_SCALARS\n");
if (radeon_emit_scalars( dev_priv, header, &cmdbuf )) {
DRM_ERROR("radeon_emit_scalars failed\n");
return -EINVAL;
}
break;
case RADEON_CMD_VECTORS:
DRM_DEBUG("RADEON_CMD_VECTORS\n");
if (radeon_emit_vectors( dev_priv, header, &cmdbuf )) {
DRM_ERROR("radeon_emit_vectors failed\n");
return -EINVAL;
}
break;
case RADEON_CMD_DMA_DISCARD:
DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n");
idx = header.dma.buf_idx;
if ( idx < 0 || idx >= dma->buf_count ) {
DRM_ERROR( "buffer index %d (of %d max)\n",
idx, dma->buf_count - 1 );
return -EINVAL;
}
buf = dma->buflist[idx];
if ( buf->pid != current->pid || buf->pending ) {
DRM_ERROR( "bad buffer\n" );
return -EINVAL;
}
radeon_cp_discard_buffer( dev, buf );
break;
case RADEON_CMD_PACKET3:
DRM_DEBUG("RADEON_CMD_PACKET3\n");
if (radeon_emit_packet3( dev, &cmdbuf )) {
DRM_ERROR("radeon_emit_packet3 failed\n");
return -EINVAL;
}
break;
case RADEON_CMD_PACKET3_CLIP:
DRM_DEBUG("RADEON_CMD_PACKET3_CLIP\n");
if (radeon_emit_packet3_cliprect( dev, &cmdbuf, orig_nbox )) {
DRM_ERROR("radeon_emit_packet3_clip failed\n");
return -EINVAL;
}
break;
case RADEON_CMD_SCALARS2:
DRM_DEBUG("RADEON_CMD_SCALARS2\n");
if (radeon_emit_scalars2( dev_priv, header, &cmdbuf )) {
DRM_ERROR("radeon_emit_scalars2 failed\n");
return -EINVAL;
}
break;
case RADEON_CMD_WAIT:
DRM_DEBUG("RADEON_CMD_WAIT\n");
if (radeon_emit_wait( dev, header.wait.flags )) {
DRM_ERROR("radeon_emit_wait failed\n");
return -EINVAL;
}
break;
default:
DRM_ERROR("bad cmd_type %d at %p\n",
header.header.cmd_type,
cmdbuf.buf - sizeof(header));
return -EINVAL;
}
}
DRM_DEBUG("DONE\n");
COMMIT_RING();
return 0;
}
int radeon_cp_getparam(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
drm_radeon_getparam_t param;
int value;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return -EINVAL;
}
DRM_COPY_FROM_USER_IOCTL( param, (drm_radeon_getparam_t *)data,
sizeof(param) );
DRM_DEBUG( "pid=%d\n", current->pid );
switch( param.param ) {
case RADEON_PARAM_AGP_BUFFER_OFFSET:
value = dev_priv->agp_buffers_offset;
break;
case RADEON_PARAM_LAST_FRAME:
dev_priv->stats.last_frame_reads++;
value = GET_SCRATCH( 0 );
break;
case RADEON_PARAM_LAST_DISPATCH:
value = GET_SCRATCH( 1 );
break;
case RADEON_PARAM_LAST_CLEAR:
dev_priv->stats.last_clear_reads++;
value = GET_SCRATCH( 2 );
break;
case RADEON_PARAM_IRQ_NR:
value = dev->irq;
break;
case RADEON_PARAM_AGP_BASE:
value = dev_priv->agp_vm_start;
break;
default:
return -EINVAL;
}
if ( copy_to_user( param.value, &value, sizeof(int) ) ) {
DRM_ERROR( "copy_to_user\n" );
return -EFAULT;
}
return 0;
}