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-rw-r--r--linux/mga_state.c1097
1 files changed, 0 insertions, 1097 deletions
diff --git a/linux/mga_state.c b/linux/mga_state.c
deleted file mode 100644
index 17cbc855..00000000
--- a/linux/mga_state.c
+++ /dev/null
@@ -1,1097 +0,0 @@
-/* mga_state.c -- State support for MGA G200/G400 -*- linux-c -*-
- * Created: Thu Jan 27 02:53:43 2000 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * 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
- * VA LINUX SYSTEMS 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:
- * Jeff Hartmann <jhartmann@valinux.com>
- * Keith Whitwell <keithw@valinux.com>
- *
- * Rewritten by:
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#define __NO_VERSION__
-#include "mga.h"
-#include "drmP.h"
-#include "drm.h"
-#include "mga_drm.h"
-#include "mga_drv.h"
-#include "drm.h"
-
-
-/* ================================================================
- * DMA hardware state programming functions
- */
-
-static void mga_emit_clip_rect( drm_mga_private_t *dev_priv,
- drm_clip_rect_t *box )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- unsigned int pitch = dev_priv->front_pitch;
- DMA_LOCALS;
-
- BEGIN_DMA( 2 );
-
- /* Force reset of DWGCTL on G400 (eliminates clip disable bit).
- */
- if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {
- DMA_BLOCK( MGA_DWGCTL, ctx->dwgctl,
- MGA_LEN + MGA_EXEC, 0x80000000,
- MGA_DWGCTL, ctx->dwgctl,
- MGA_LEN + MGA_EXEC, 0x80000000 );
- }
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_CXBNDRY, (box->x2 << 16) | box->x1,
- MGA_YTOP, box->y1 * pitch,
- MGA_YBOT, box->y2 * pitch );
-
- ADVANCE_DMA();
-}
-
-static inline void mga_g200_emit_context( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- DMA_LOCALS;
-
- BEGIN_DMA( 3 );
-
- DMA_BLOCK( MGA_DSTORG, ctx->dstorg,
- MGA_MACCESS, ctx->maccess,
- MGA_PLNWT, ctx->plnwt,
- MGA_DWGCTL, ctx->dwgctl );
-
- DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl,
- MGA_FOGCOL, ctx->fogcolor,
- MGA_WFLAG, ctx->wflag,
- MGA_ZORG, dev_priv->depth_offset );
-
- DMA_BLOCK( MGA_FCOL, ctx->fcol,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- ADVANCE_DMA();
-}
-
-static inline void mga_g400_emit_context( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- DMA_LOCALS;
-
- BEGIN_DMA( 4 );
-
- DMA_BLOCK( MGA_DSTORG, ctx->dstorg,
- MGA_MACCESS, ctx->maccess,
- MGA_PLNWT, ctx->plnwt,
- MGA_DWGCTL, ctx->dwgctl );
-
- DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl,
- MGA_FOGCOL, ctx->fogcolor,
- MGA_WFLAG, ctx->wflag,
- MGA_ZORG, dev_priv->depth_offset );
-
- DMA_BLOCK( MGA_WFLAG1, ctx->wflag,
- MGA_TDUALSTAGE0, ctx->tdualstage0,
- MGA_TDUALSTAGE1, ctx->tdualstage1,
- MGA_FCOL, ctx->fcol );
-
- DMA_BLOCK( MGA_STENCIL, ctx->stencil,
- MGA_STENCILCTL, ctx->stencilctl,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- ADVANCE_DMA();
-}
-
-static inline void mga_g200_emit_tex0( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
- DMA_LOCALS;
-
- BEGIN_DMA( 4 );
-
- DMA_BLOCK( MGA_TEXCTL2, tex->texctl2,
- MGA_TEXCTL, tex->texctl,
- MGA_TEXFILTER, tex->texfilter,
- MGA_TEXBORDERCOL, tex->texbordercol );
-
- DMA_BLOCK( MGA_TEXORG, tex->texorg,
- MGA_TEXORG1, tex->texorg1,
- MGA_TEXORG2, tex->texorg2,
- MGA_TEXORG3, tex->texorg3 );
-
- DMA_BLOCK( MGA_TEXORG4, tex->texorg4,
- MGA_TEXWIDTH, tex->texwidth,
- MGA_TEXHEIGHT, tex->texheight,
- MGA_WR24, tex->texwidth );
-
- DMA_BLOCK( MGA_WR34, tex->texheight,
- MGA_TEXTRANS, 0x0000ffff,
- MGA_TEXTRANSHIGH, 0x0000ffff,
- MGA_DMAPAD, 0x00000000 );
-
- ADVANCE_DMA();
-}
-
-static inline void mga_g400_emit_tex0( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
- DMA_LOCALS;
-
-/* printk("mga_g400_emit_tex0 %x %x %x\n", tex->texorg, */
-/* tex->texctl, tex->texctl2); */
-
- BEGIN_DMA( 6 );
-
- DMA_BLOCK( MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC,
- MGA_TEXCTL, tex->texctl,
- MGA_TEXFILTER, tex->texfilter,
- MGA_TEXBORDERCOL, tex->texbordercol );
-
- DMA_BLOCK( MGA_TEXORG, tex->texorg,
- MGA_TEXORG1, tex->texorg1,
- MGA_TEXORG2, tex->texorg2,
- MGA_TEXORG3, tex->texorg3 );
-
- DMA_BLOCK( MGA_TEXORG4, tex->texorg4,
- MGA_TEXWIDTH, tex->texwidth,
- MGA_TEXHEIGHT, tex->texheight,
- MGA_WR49, 0x00000000 );
-
- DMA_BLOCK( MGA_WR57, 0x00000000,
- MGA_WR53, 0x00000000,
- MGA_WR61, 0x00000000,
- MGA_WR52, MGA_G400_WR_MAGIC );
-
- DMA_BLOCK( MGA_WR60, MGA_G400_WR_MAGIC,
- MGA_WR54, tex->texwidth | MGA_G400_WR_MAGIC,
- MGA_WR62, tex->texheight | MGA_G400_WR_MAGIC,
- MGA_DMAPAD, 0x00000000 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_TEXTRANS, 0x0000ffff,
- MGA_TEXTRANSHIGH, 0x0000ffff );
-
- ADVANCE_DMA();
-}
-
-static inline void mga_g400_emit_tex1( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1];
- DMA_LOCALS;
-
-/* printk("mga_g400_emit_tex1 %x %x %x\n", tex->texorg, */
-/* tex->texctl, tex->texctl2); */
-
- BEGIN_DMA( 5 );
-
- DMA_BLOCK( MGA_TEXCTL2, (tex->texctl2 |
- MGA_MAP1_ENABLE |
- MGA_G400_TC2_MAGIC),
- MGA_TEXCTL, tex->texctl,
- MGA_TEXFILTER, tex->texfilter,
- MGA_TEXBORDERCOL, tex->texbordercol );
-
- DMA_BLOCK( MGA_TEXORG, tex->texorg,
- MGA_TEXORG1, tex->texorg1,
- MGA_TEXORG2, tex->texorg2,
- MGA_TEXORG3, tex->texorg3 );
-
- DMA_BLOCK( MGA_TEXORG4, tex->texorg4,
- MGA_TEXWIDTH, tex->texwidth,
- MGA_TEXHEIGHT, tex->texheight,
- MGA_WR49, 0x00000000 );
-
- DMA_BLOCK( MGA_WR57, 0x00000000,
- MGA_WR53, 0x00000000,
- MGA_WR61, 0x00000000,
- MGA_WR52, tex->texwidth | MGA_G400_WR_MAGIC );
-
- DMA_BLOCK( MGA_WR60, tex->texheight | MGA_G400_WR_MAGIC,
- MGA_TEXTRANS, 0x0000ffff,
- MGA_TEXTRANSHIGH, 0x0000ffff,
- MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC );
-
- ADVANCE_DMA();
-}
-
-static inline void mga_g200_emit_pipe( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int pipe = sarea_priv->warp_pipe;
- DMA_LOCALS;
-
- BEGIN_DMA( 3 );
-
- DMA_BLOCK( MGA_WIADDR, MGA_WMODE_SUSPEND,
- MGA_WVRTXSZ, 0x00000007,
- MGA_WFLAG, 0x00000000,
- MGA_WR24, 0x00000000 );
-
- DMA_BLOCK( MGA_WR25, 0x00000100,
- MGA_WR34, 0x00000000,
- MGA_WR42, 0x0000ffff,
- MGA_WR60, 0x0000ffff );
-
- /* Padding required to to hardware bug.
- */
- DMA_BLOCK( MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] |
- MGA_WMODE_START |
- MGA_WAGP_ENABLE) );
-
- ADVANCE_DMA();
-}
-
-static inline void mga_g400_emit_pipe( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int pipe = sarea_priv->warp_pipe;
- DMA_LOCALS;
-
-/* printk("mga_g400_emit_pipe %x\n", pipe); */
-
- BEGIN_DMA( 10 );
-
- DMA_BLOCK( MGA_WIADDR2, MGA_WMODE_SUSPEND,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- if ( pipe & MGA_T2 ) {
- DMA_BLOCK( MGA_WVRTXSZ, 0x00001e09,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x1e000000 );
- } else {
- if ( dev_priv->warp_pipe & MGA_T2 ) {
- /* Flush the WARP pipe */
- DMA_BLOCK( MGA_YDST, 0x00000000,
- MGA_FXLEFT, 0x00000000,
- MGA_FXRIGHT, 0x00000001,
- MGA_DWGCTL, MGA_DWGCTL_FLUSH );
-
- DMA_BLOCK( MGA_LEN + MGA_EXEC, 0x00000001,
- MGA_DWGSYNC, 0x00007000,
- MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
- MGA_LEN + MGA_EXEC, 0x00000000 );
-
- DMA_BLOCK( MGA_TEXCTL2, (MGA_DUALTEX |
- MGA_G400_TC2_MAGIC),
- MGA_LEN + MGA_EXEC, 0x00000000,
- MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
- MGA_DMAPAD, 0x00000000 );
- }
-
- DMA_BLOCK( MGA_WVRTXSZ, 0x00001807,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
-
- DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x00000000,
- MGA_WACCEPTSEQ, 0x18000000 );
- }
-
- DMA_BLOCK( MGA_WFLAG, 0x00000000,
- MGA_WFLAG1, 0x00000000,
- MGA_WR56, MGA_G400_WR56_MAGIC,
- MGA_DMAPAD, 0x00000000 );
-
- DMA_BLOCK( MGA_WR49, 0x00000000, /* tex0 */
- MGA_WR57, 0x00000000, /* tex0 */
- MGA_WR53, 0x00000000, /* tex1 */
- MGA_WR61, 0x00000000 ); /* tex1 */
-
- DMA_BLOCK( MGA_WR54, MGA_G400_WR_MAGIC, /* tex0 width */
- MGA_WR62, MGA_G400_WR_MAGIC, /* tex0 height */
- MGA_WR52, MGA_G400_WR_MAGIC, /* tex1 width */
- MGA_WR60, MGA_G400_WR_MAGIC ); /* tex1 height */
-
- /* Padding required to to hardware bug */
- DMA_BLOCK( MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_DMAPAD, 0xffffffff,
- MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] |
- MGA_WMODE_START |
- MGA_WAGP_ENABLE) );
-
- ADVANCE_DMA();
-}
-
-static void mga_g200_emit_state( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
-
- if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) {
- mga_g200_emit_pipe( dev_priv );
- dev_priv->warp_pipe = sarea_priv->warp_pipe;
- }
-
- if ( dirty & MGA_UPLOAD_CONTEXT ) {
- mga_g200_emit_context( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
- }
-
- if ( dirty & MGA_UPLOAD_TEX0 ) {
- mga_g200_emit_tex0( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
- }
-}
-
-static void mga_g400_emit_state( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
- int multitex = sarea_priv->warp_pipe & MGA_T2;
-
- if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) {
- mga_g400_emit_pipe( dev_priv );
- dev_priv->warp_pipe = sarea_priv->warp_pipe;
- }
-
- if ( dirty & MGA_UPLOAD_CONTEXT ) {
- mga_g400_emit_context( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
- }
-
- if ( dirty & MGA_UPLOAD_TEX0 ) {
- mga_g400_emit_tex0( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
- }
-
- if ( (dirty & MGA_UPLOAD_TEX1) && multitex ) {
- mga_g400_emit_tex1( dev_priv );
- sarea_priv->dirty &= ~MGA_UPLOAD_TEX1;
- }
-}
-
-
-/* ================================================================
- * SAREA state verification
- */
-
-/* Disallow all write destinations except the front and backbuffer.
- */
-static int mga_verify_context( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
-
- if ( ctx->dstorg != dev_priv->front_offset &&
- ctx->dstorg != dev_priv->back_offset ) {
- DRM_ERROR( "*** bad DSTORG: %x (front %x, back %x)\n\n",
- ctx->dstorg, dev_priv->front_offset,
- dev_priv->back_offset );
- ctx->dstorg = 0;
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* Disallow texture reads from PCI space.
- */
-static int mga_verify_tex( drm_mga_private_t *dev_priv, int unit )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[unit];
- unsigned int org;
-
- org = tex->texorg & (MGA_TEXORGMAP_MASK | MGA_TEXORGACC_MASK);
-
- if ( org == (MGA_TEXORGMAP_SYSMEM | MGA_TEXORGACC_PCI) ) {
- DRM_ERROR( "*** bad TEXORG: 0x%x, unit %d\n",
- tex->texorg, unit );
- tex->texorg = 0;
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int mga_verify_state( drm_mga_private_t *dev_priv )
-{
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
- int ret = 0;
-
- if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- if ( dirty & MGA_UPLOAD_CONTEXT )
- ret |= mga_verify_context( dev_priv );
-
- if ( dirty & MGA_UPLOAD_TEX0 )
- ret |= mga_verify_tex( dev_priv, 0 );
-
- if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {
- if ( dirty & MGA_UPLOAD_TEX1 )
- ret |= mga_verify_tex( dev_priv, 1 );
-
- if ( dirty & MGA_UPLOAD_PIPE )
- ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES );
- } else {
- if ( dirty & MGA_UPLOAD_PIPE )
- ret |= ( sarea_priv->warp_pipe > MGA_MAX_G200_PIPES );
- }
-
- return ( ret == 0 );
-}
-
-static int mga_verify_iload( drm_mga_private_t *dev_priv,
- unsigned int dstorg, unsigned int length )
-{
- if ( dstorg < dev_priv->texture_offset ||
- dstorg + length > (dev_priv->texture_offset +
- dev_priv->texture_size) ) {
- DRM_ERROR( "*** bad iload DSTORG: 0x%x\n", dstorg );
- return -EINVAL;
- }
-
- if ( length & MGA_ILOAD_MASK ) {
- DRM_ERROR( "*** bad iload length: 0x%x\n",
- length & MGA_ILOAD_MASK );
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int mga_verify_blit( drm_mga_private_t *dev_priv,
- unsigned int srcorg, unsigned int dstorg )
-{
- if ( (srcorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ||
- (dstorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ) {
- DRM_ERROR( "*** bad blit: src=0x%x dst=0x%x\n",
- srcorg, dstorg );
- return -EINVAL;
- }
- return 0;
-}
-
-
-/* ================================================================
- *
- */
-
-static void mga_dma_dispatch_clear( drm_device_t *dev,
- drm_mga_clear_t *clear )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- int i;
- DMA_LOCALS;
- DRM_DEBUG( __FUNCTION__ ":\n" );
-
- BEGIN_DMA( 1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100,
- MGA_DWGSYNC, 0x00007000 );
-
- ADVANCE_DMA();
-
- for ( i = 0 ; i < nbox ; i++ ) {
- drm_clip_rect_t *box = &pbox[i];
- u32 height = box->y2 - box->y1;
-
- DRM_DEBUG( " from=%d,%d to=%d,%d\n",
- box->x1, box->y1, box->x2, box->y2 );
-
- if ( clear->flags & MGA_FRONT ) {
- BEGIN_DMA( 2 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, clear->color_mask,
- MGA_YDSTLEN, (box->y1 << 16) | height,
- MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_FCOL, clear->clear_color,
- MGA_DSTORG, dev_priv->front_offset,
- MGA_DWGCTL + MGA_EXEC,
- dev_priv->clear_cmd );
-
- ADVANCE_DMA();
- }
-
-
- if ( clear->flags & MGA_BACK ) {
- BEGIN_DMA( 2 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, clear->color_mask,
- MGA_YDSTLEN, (box->y1 << 16) | height,
- MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_FCOL, clear->clear_color,
- MGA_DSTORG, dev_priv->back_offset,
- MGA_DWGCTL + MGA_EXEC,
- dev_priv->clear_cmd );
-
- ADVANCE_DMA();
- }
-
- if ( clear->flags & MGA_DEPTH ) {
- BEGIN_DMA( 2 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, clear->depth_mask,
- MGA_YDSTLEN, (box->y1 << 16) | height,
- MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_FCOL, clear->clear_depth,
- MGA_DSTORG, dev_priv->depth_offset,
- MGA_DWGCTL + MGA_EXEC,
- dev_priv->clear_cmd );
-
- ADVANCE_DMA();
- }
-
- }
-
- BEGIN_DMA( 1 );
-
- /* Force reset of DWGCTL */
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, ctx->plnwt,
- MGA_DWGCTL, ctx->dwgctl );
-
- ADVANCE_DMA();
-
- FLUSH_DMA();
-}
-
-static void mga_dma_dispatch_swap( drm_device_t *dev )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- int i;
- DMA_LOCALS;
- DRM_DEBUG( __FUNCTION__ ":\n" );
-
- sarea_priv->last_frame.head = dev_priv->prim.tail;
- sarea_priv->last_frame.wrap = dev_priv->prim.last_wrap;
-
- BEGIN_DMA( 4 + nbox );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100,
- MGA_DWGSYNC, 0x00007000 );
-
- DMA_BLOCK( MGA_DSTORG, dev_priv->front_offset,
- MGA_MACCESS, dev_priv->maccess,
- MGA_SRCORG, dev_priv->back_offset,
- MGA_AR5, dev_priv->front_pitch );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, 0xffffffff,
- MGA_DWGCTL, MGA_DWGCTL_COPY );
-
- for ( i = 0 ; i < nbox ; i++ ) {
- drm_clip_rect_t *box = &pbox[i];
- u32 height = box->y2 - box->y1;
- u32 start = box->y1 * dev_priv->front_pitch;
-
- DRM_DEBUG( " from=%d,%d to=%d,%d\n",
- box->x1, box->y1, box->x2, box->y2 );
-
- DMA_BLOCK( MGA_AR0, start + box->x2 - 1,
- MGA_AR3, start + box->x1,
- MGA_FXBNDRY, ((box->x2 - 1) << 16) | box->x1,
- MGA_YDSTLEN + MGA_EXEC,
- (box->y1 << 16) | height );
- }
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, ctx->plnwt,
- MGA_SRCORG, dev_priv->front_offset,
- MGA_DWGCTL, ctx->dwgctl );
-
- ADVANCE_DMA();
-
- FLUSH_DMA();
-
- DRM_DEBUG( "%s... done.\n", __FUNCTION__ );
-}
-
-static void mga_dma_dispatch_vertex( drm_device_t *dev, drm_buf_t *buf )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u32 address = (u32) buf->bus_address;
- u32 length = (u32) buf->used;
- int i = 0;
- DMA_LOCALS;
- DRM_DEBUG( "vertex: buf=%d used=%d\n", buf->idx, buf->used );
-
- if ( buf->used ) {
- buf_priv->dispatched = 1;
-
- MGA_EMIT_STATE( dev_priv, sarea_priv->dirty );
-
- do {
- if ( i < sarea_priv->nbox ) {
- mga_emit_clip_rect( dev_priv,
- &sarea_priv->boxes[i] );
- }
-
- BEGIN_DMA( 1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_SECADDRESS, (address |
- MGA_DMA_VERTEX),
- MGA_SECEND, ((address + length) |
- MGA_PAGPXFER) );
-
- ADVANCE_DMA();
- } while ( ++i < sarea_priv->nbox );
- }
-
- if ( buf_priv->discard ) {
- AGE_BUFFER( buf_priv );
- buf->pending = 0;
- buf->used = 0;
- buf_priv->dispatched = 0;
-
- mga_freelist_put( dev, buf );
- }
-
- FLUSH_DMA();
-}
-
-static void mga_dma_dispatch_indices( drm_device_t *dev, drm_buf_t *buf,
- unsigned int start, unsigned int end )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- u32 address = (u32) buf->bus_address;
- int i = 0;
- DMA_LOCALS;
- DRM_DEBUG( "indices: buf=%d start=%d end=%d\n", buf->idx, start, end );
-
- if ( start != end ) {
- buf_priv->dispatched = 1;
-
- MGA_EMIT_STATE( dev_priv, sarea_priv->dirty );
-
- do {
- if ( i < sarea_priv->nbox ) {
- mga_emit_clip_rect( dev_priv,
- &sarea_priv->boxes[i] );
- }
-
- BEGIN_DMA( 1 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_SETUPADDRESS, address + start,
- MGA_SETUPEND, ((address + end) |
- MGA_PAGPXFER) );
-
- ADVANCE_DMA();
- } while ( ++i < sarea_priv->nbox );
- }
-
- if ( buf_priv->discard ) {
- AGE_BUFFER( buf_priv );
- buf->pending = 0;
- buf->used = 0;
- buf_priv->dispatched = 0;
-
- mga_freelist_put( dev, buf );
- }
-
- FLUSH_DMA();
-}
-
-/* This copies a 64 byte aligned agp region to the frambuffer with a
- * standard blit, the ioctl needs to do checking.
- */
-static void mga_dma_dispatch_iload( drm_device_t *dev, drm_buf_t *buf,
- unsigned int dstorg, unsigned int length )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_buf_priv_t *buf_priv = buf->dev_private;
- drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state;
- u32 srcorg = buf->bus_address | MGA_SRCACC_AGP | MGA_SRCMAP_SYSMEM;
- u32 y2;
- DMA_LOCALS;
- DRM_DEBUG( "%s: buf=%d used=%d\n",
- __FUNCTION__, buf->idx, buf->used );
-
- y2 = length / 64;
-
- BEGIN_DMA( 5 );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100,
- MGA_DWGSYNC, 0x00007000 );
-
- DMA_BLOCK( MGA_DSTORG, dstorg,
- MGA_MACCESS, 0x00000000,
- MGA_SRCORG, srcorg,
- MGA_AR5, 64 );
-
- DMA_BLOCK( MGA_PITCH, 64,
- MGA_PLNWT, 0xffffffff,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGCTL, MGA_DWGCTL_COPY );
-
- DMA_BLOCK( MGA_AR0, 63,
- MGA_AR3, 0,
- MGA_FXBNDRY, (63 << 16) | 0,
- MGA_YDSTLEN + MGA_EXEC, y2 );
-
- DMA_BLOCK( MGA_PLNWT, ctx->plnwt,
- MGA_SRCORG, dev_priv->front_offset,
- MGA_PITCH, dev_priv->front_pitch,
- MGA_DWGSYNC, 0x00007000 );
-
- ADVANCE_DMA();
-
- AGE_BUFFER( buf_priv );
-
- buf->pending = 0;
- buf->used = 0;
- buf_priv->dispatched = 0;
-
- mga_freelist_put( dev, buf );
-
- FLUSH_DMA();
-}
-
-static void mga_dma_dispatch_blit( drm_device_t *dev,
- drm_mga_blit_t *blit )
-{
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- u32 scandir = 0, i;
- DMA_LOCALS;
- DRM_DEBUG( __FUNCTION__ ":\n" );
-
- BEGIN_DMA( 4 + nbox );
-
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DWGSYNC, 0x00007100,
- MGA_DWGSYNC, 0x00007000 );
-
- DMA_BLOCK( MGA_DWGCTL, MGA_DWGCTL_COPY,
- MGA_PLNWT, blit->planemask,
- MGA_SRCORG, blit->srcorg,
- MGA_DSTORG, blit->dstorg );
-
- DMA_BLOCK( MGA_SGN, scandir,
- MGA_MACCESS, dev_priv->maccess,
- MGA_AR5, blit->ydir * blit->src_pitch,
- MGA_PITCH, blit->dst_pitch );
-
- for ( i = 0 ; i < nbox ; i++ ) {
- int srcx = pbox[i].x1 + blit->delta_sx;
- int srcy = pbox[i].y1 + blit->delta_sy;
- int dstx = pbox[i].x1 + blit->delta_dx;
- int dsty = pbox[i].y1 + blit->delta_dy;
- int h = pbox[i].y2 - pbox[i].y1;
- int w = pbox[i].x2 - pbox[i].x1 - 1;
- int start;
-
- if ( blit->ydir == -1 ) {
- srcy = blit->height - srcy - 1;
- }
-
- start = srcy * blit->src_pitch + srcx;
-
- DMA_BLOCK( MGA_AR0, start + w,
- MGA_AR3, start,
- MGA_FXBNDRY, ((dstx + w) << 16) | (dstx & 0xffff),
- MGA_YDSTLEN + MGA_EXEC, (dsty << 16) | h );
- }
-
- /* Do something to flush AGP?
- */
-
- /* Force reset of DWGCTL */
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_PLNWT, ctx->plnwt,
- MGA_PITCH, dev_priv->front_pitch,
- MGA_DWGCTL, ctx->dwgctl );
-
- ADVANCE_DMA();
-}
-
-
-/* ================================================================
- *
- */
-
-int mga_dma_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_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_clear_t clear;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( copy_from_user( &clear, (drm_mga_clear_t *) arg, sizeof(clear) ) )
- return -EFAULT;
-
- if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_clear( dev, &clear );
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-int mga_dma_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_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_swap( dev );
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-int mga_dma_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_mga_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_vertex_t vertex;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( copy_from_user( &vertex,
- (drm_mga_vertex_t *)arg,
- sizeof(vertex) ) )
- return -EFAULT;
-
- if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL;
- buf = dma->buflist[vertex.idx];
- buf_priv = buf->dev_private;
-
- buf->used = vertex.used;
- buf_priv->discard = vertex.discard;
-
- if ( !mga_verify_state( dev_priv ) ) {
- if ( vertex.discard ) {
- if ( buf_priv->dispatched == 1 )
- AGE_BUFFER( buf_priv );
- buf_priv->dispatched = 0;
- mga_freelist_put( dev, buf );
- }
- return -EINVAL;
- }
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_vertex( dev, buf );
-
- return 0;
-}
-
-int mga_dma_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_mga_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_indices_t indices;
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( copy_from_user( &indices,
- (drm_mga_indices_t *)arg,
- sizeof(indices) ) )
- return -EFAULT;
-
- if(indices.idx < 0 || indices.idx > dma->buf_count) return -EINVAL;
-
- buf = dma->buflist[indices.idx];
- buf_priv = buf->dev_private;
-
- buf_priv->discard = indices.discard;
-
- if ( !mga_verify_state( dev_priv ) ) {
- if ( indices.discard ) {
- if ( buf_priv->dispatched == 1 )
- AGE_BUFFER( buf_priv );
- buf_priv->dispatched = 0;
- mga_freelist_put( dev, buf );
- }
- return -EINVAL;
- }
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_indices( dev, buf, indices.start, indices.end );
-
- return 0;
-}
-
-int mga_dma_iload( 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_device_dma_t *dma = dev->dma;
- drm_mga_private_t *dev_priv = dev->dev_private;
- drm_buf_t *buf;
- drm_mga_buf_priv_t *buf_priv;
- drm_mga_iload_t iload;
- DRM_DEBUG( __FUNCTION__ ":\n" );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( copy_from_user( &iload, (drm_mga_iload_t *)arg, sizeof(iload) ) )
- return -EFAULT;
-
-#if 0
- if ( mga_do_wait_for_idle( dev_priv ) < 0 ) {
- if ( MGA_DMA_DEBUG )
- DRM_INFO( __FUNCTION__": -EBUSY\n" );
- return -EBUSY;
- }
-#endif
- if(iload.idx < 0 || iload.idx > dma->buf_count) return -EINVAL;
-
- buf = dma->buflist[iload.idx];
- buf_priv = buf->dev_private;
-
- if ( mga_verify_iload( dev_priv, iload.dstorg, iload.length ) ) {
- mga_freelist_put( dev, buf );
- return -EINVAL;
- }
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_iload( dev, buf, iload.dstorg, iload.length );
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}
-
-int mga_dma_blit( 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_mga_private_t *dev_priv = dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_mga_blit_t blit;
- DRM_DEBUG( "%s\n", __FUNCTION__ );
-
- LOCK_TEST_WITH_RETURN( dev );
-
- if ( copy_from_user( &blit, (drm_mga_blit_t *)arg, sizeof(blit) ) )
- return -EFAULT;
-
- if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
- sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
- if ( mga_verify_blit( dev_priv, blit.srcorg, blit.dstorg ) )
- return -EINVAL;
-
- WRAP_TEST_WITH_RETURN( dev_priv );
-
- mga_dma_dispatch_blit( dev, &blit );
-
- /* Make sure we restore the 3D state next time.
- */
- dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
-
- return 0;
-}