diff options
Diffstat (limited to 'linux/mga_state.c')
| -rw-r--r-- | linux/mga_state.c | 1097 |
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; -} |