diff options
Diffstat (limited to 'linux/mga_state.c')
| -rw-r--r-- | linux/mga_state.c | 782 |
1 files changed, 666 insertions, 116 deletions
diff --git a/linux/mga_state.c b/linux/mga_state.c index d09881ba..a70f86d2 100644 --- a/linux/mga_state.c +++ b/linux/mga_state.c @@ -26,189 +26,217 @@ * Authors: Jeff Hartmann <jhartmann@precisioninsight.com> * Keith Whitwell <keithw@precisioninsight.com> * - * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/mga_state.c,v 1.1 2000/02/11 17:26:08 dawes Exp $ + * $XFree86$ * */ #define __NO_VERSION__ #include "drmP.h" #include "mga_drv.h" -#include "mgareg_flags.h" -#include "mga_dma.h" -#include "mga_state.h" #include "drm.h" -void mgaEmitClipRect( drm_mga_private_t *dev_priv, xf86drmClipRectRec *box ) +static void mgaEmitClipRect( drm_mga_private_t *dev_priv, + drm_clip_rect_t *box ) { + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int *regs = sarea_priv->ContextState; PRIMLOCALS; + /* This takes 10 dwords */ PRIMGETPTR( dev_priv ); + + /* Force reset of dwgctl (eliminates clip disable) */ + PRIMOUTREG( MGAREG_DMAPAD, 0 ); + PRIMOUTREG( MGAREG_DWGSYNC, dev_priv->last_sync_tag - 1 ); + PRIMOUTREG( MGAREG_DWGSYNC, dev_priv->last_sync_tag - 1 ); + PRIMOUTREG( MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL] ); - /* The G400 seems to have an issue with the second WARP not - * stalling clipper register writes. This bothers me, but the only - * way I could get it to never clip the last triangle under any - * circumstances is by inserting TWO dwgsync commands. - */ - if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - PRIMOUTREG( MGAREG_DWGSYNC, 0 ); - PRIMOUTREG( MGAREG_DWGSYNC, 0 ); - } - + PRIMOUTREG( MGAREG_DMAPAD, 0 ); PRIMOUTREG( MGAREG_CXBNDRY, ((box->x2)<<16)|(box->x1) ); - PRIMOUTREG( MGAREG_YTOP, box->y1 * dev_priv->stride ); - PRIMOUTREG( MGAREG_YBOT, box->y2 * dev_priv->stride ); + PRIMOUTREG( MGAREG_YTOP, box->y1 * dev_priv->stride/2 ); + PRIMOUTREG( MGAREG_YBOT, box->y2 * dev_priv->stride/2 ); + PRIMADVANCE( dev_priv ); } - -static void mgaEmitContext(drm_mga_private_t *dev_priv, - drm_mga_buf_priv_t *buf_priv) +static void mgaEmitContext(drm_mga_private_t *dev_priv ) { - unsigned int *regs = buf_priv->ContextState; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int *regs = sarea_priv->ContextState; PRIMLOCALS; + /* This takes a max of 15 dwords */ PRIMGETPTR( dev_priv ); + PRIMOUTREG( MGAREG_DSTORG, regs[MGA_CTXREG_DSTORG] ); PRIMOUTREG( MGAREG_MACCESS, regs[MGA_CTXREG_MACCESS] ); PRIMOUTREG( MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT] ); PRIMOUTREG( MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL] ); + PRIMOUTREG( MGAREG_ALPHACTRL, regs[MGA_CTXREG_ALPHACTRL] ); PRIMOUTREG( MGAREG_FOGCOL, regs[MGA_CTXREG_FOGCOLOR] ); PRIMOUTREG( MGAREG_WFLAG, regs[MGA_CTXREG_WFLAG] ); + PRIMOUTREG( MGAREG_ZORG, dev_priv->depthOffset ); /* invarient */ if (dev_priv->chipset == MGA_CARD_TYPE_G400) { PRIMOUTREG( MGAREG_WFLAG1, regs[MGA_CTXREG_WFLAG] ); PRIMOUTREG( MGAREG_TDUALSTAGE0, regs[MGA_CTXREG_TDUAL0] ); PRIMOUTREG( MGAREG_TDUALSTAGE1, regs[MGA_CTXREG_TDUAL1] ); - } + PRIMOUTREG( MGAREG_FCOL, regs[MGA_CTXREG_FCOL] ); + } else { + PRIMOUTREG( MGAREG_FCOL, regs[MGA_CTXREG_FCOL] ); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + } PRIMADVANCE( dev_priv ); } -static void mgaG200EmitTex( drm_mga_private_t *dev_priv, - drm_mga_buf_priv_t *buf_priv ) +static void mgaG200EmitTex( drm_mga_private_t *dev_priv ) { - unsigned int *regs = buf_priv->TexState[0]; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int *regs = sarea_priv->TexState[0]; PRIMLOCALS; PRIMGETPTR( dev_priv ); + + /* This takes 20 dwords */ + PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] ); PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL] ); PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER] ); PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL] ); + PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG] ); PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1] ); PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2] ); PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3] ); + PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4] ); PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH] ); - PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT] ); - + PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT] ); PRIMOUTREG(0x2d00 + 24*4, regs[MGA_TEXREG_WIDTH] ); + PRIMOUTREG(0x2d00 + 34*4, regs[MGA_TEXREG_HEIGHT] ); + PRIMOUTREG( MGAREG_TEXTRANS, 0xffff ); + PRIMOUTREG( MGAREG_TEXTRANSHIGH, 0xffff ); + PRIMOUTREG( MGAREG_DMAPAD, 0 ); PRIMADVANCE( dev_priv ); } -static void mgaG400EmitTex0( drm_mga_private_t *dev_priv, - drm_mga_buf_priv_t *buf_priv ) +static void mgaG400EmitTex0( drm_mga_private_t *dev_priv ) { - unsigned int *regs = buf_priv->TexState[0]; - int multitex = buf_priv->WarpPipe & MGA_T2; - + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int *regs = sarea_priv->TexState[0]; + int multitex = sarea_priv->WarpPipe & MGA_T2; PRIMLOCALS; + PRIMGETPTR( dev_priv ); + + /* This takes a max of 30 dwords */ PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] ); PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL] ); PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER] ); PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL] ); + PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG] ); PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1] ); PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2] ); PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3] ); + PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4] ); PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH] ); - PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT] ); - + PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT] ); PRIMOUTREG(0x2d00 + 49*4, 0); + PRIMOUTREG(0x2d00 + 57*4, 0); PRIMOUTREG(0x2d00 + 53*4, 0); PRIMOUTREG(0x2d00 + 61*4, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0 ); if (!multitex) { PRIMOUTREG(0x2d00 + 52*4, 0x40 ); PRIMOUTREG(0x2d00 + 60*4, 0x40 ); + PRIMOUTREG( MGAREG_DMAPAD, 0 ); + PRIMOUTREG( MGAREG_DMAPAD, 0 ); } - PRIMOUTREG(0x2d00 + 54*4, regs[MGA_TEXREG_WIDTH] | 0x40 ); - PRIMOUTREG(0x2d00 + 62*4, regs[MGA_TEXREG_HEIGHT] | 0x40 ); + PRIMOUTREG( 0x2d00 + 54*4, regs[MGA_TEXREG_WIDTH] | 0x40 ); + PRIMOUTREG( 0x2d00 + 62*4, regs[MGA_TEXREG_HEIGHT] | 0x40 ); + PRIMOUTREG( MGAREG_TEXTRANS, 0xffff ); + PRIMOUTREG( MGAREG_TEXTRANSHIGH, 0xffff ); PRIMADVANCE( dev_priv ); } #define TMC_map1_enable 0x80000000 - -static void mgaG400EmitTex1( drm_mga_private_t *dev_priv, - drm_mga_buf_priv_t *buf_priv ) +static void mgaG400EmitTex1( drm_mga_private_t *dev_priv ) { - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int *regs = sarea_priv->TexState[1]; - PRIMLOCALS; + PRIMGETPTR(dev_priv); + /* This takes 25 dwords */ PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | TMC_map1_enable); PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL] ); PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER] ); PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL] ); + PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG] ); PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1] ); PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2] ); PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3] ); + PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4] ); PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH] ); - PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT] ); - + PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT] ); PRIMOUTREG(0x2d00 + 49*4, 0); + PRIMOUTREG(0x2d00 + 57*4, 0); PRIMOUTREG(0x2d00 + 53*4, 0); PRIMOUTREG(0x2d00 + 61*4, 0); - PRIMOUTREG(0x2d00 + 52*4, regs[MGA_TEXREG_WIDTH] | 0x40 ); - PRIMOUTREG(0x2d00 + 60*4, regs[MGA_TEXREG_HEIGHT] | 0x40 ); + PRIMOUTREG(0x2d00 + 60*4, regs[MGA_TEXREG_HEIGHT] | 0x40 ); + PRIMOUTREG( MGAREG_TEXTRANS, 0xffff ); + PRIMOUTREG( MGAREG_TEXTRANSHIGH, 0xffff ); PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] ); - PRIMADVANCE( dev_priv ); + PRIMADVANCE( dev_priv ); } - -static void mgaG400EmitPipe(drm_mga_private_t *dev_priv, - drm_mga_buf_priv_t *buf_priv) +static void mgaG400EmitPipe(drm_mga_private_t *dev_priv ) { - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int pipe = sarea_priv->WarpPipe; float fParam = 12800.0f; PRIMLOCALS; PRIMGETPTR(dev_priv); - PRIMOUTREG(MGAREG_WIADDR2, WIA_wmode_suspend); + + /* This takes 25 dwords */ /* Establish vertex size. */ if (pipe & MGA_T2) { + PRIMOUTREG(MGAREG_WIADDR2, WIA_wmode_suspend); PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001e09); PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x1e000000); + PRIMOUTREG(MGAREG_WFLAG, 0); } else { + PRIMOUTREG(MGAREG_WIADDR2, WIA_wmode_suspend); PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001807); PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x18000000); - } - - PRIMOUTREG(MGAREG_WFLAG, 0); - PRIMOUTREG(MGAREG_WFLAG1, 0); - + PRIMOUTREG(MGAREG_WFLAG, 0); + } + + PRIMOUTREG(MGAREG_WFLAG1, 0); PRIMOUTREG(0x2d00 + 56*4, *((u32 *)(&fParam))); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); @@ -227,19 +255,21 @@ static void mgaG400EmitPipe(drm_mga_private_t *dev_priv, PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_WIADDR2, (dev_priv->WarpIndex[pipe].phys_addr | - WIA_wmode_start | WIA_wagp_agp)); + PRIMOUTREG(MGAREG_WIADDR2, (__u32)(dev_priv->WarpIndex[pipe].phys_addr | + WIA_wmode_start | WIA_wagp_agp)); PRIMADVANCE(dev_priv); } -static void mgaG200EmitPipe( drm_mga_private_t *dev_priv, - drm_mga_buf_priv_t *buf_priv ) +static void mgaG200EmitPipe( drm_mga_private_t *dev_priv ) { - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int pipe = sarea_priv->WarpPipe; PRIMLOCALS; PRIMGETPTR(dev_priv); + + /* This takes 15 dwords */ + PRIMOUTREG(MGAREG_WIADDR, WIA_wmode_suspend); PRIMOUTREG(MGAREG_WVRTXSZ, 7); PRIMOUTREG(MGAREG_WFLAG, 0); @@ -254,109 +284,629 @@ static void mgaG200EmitPipe( drm_mga_private_t *dev_priv, PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_WIADDR, (dev_priv->WarpIndex[pipe].phys_addr | - WIA_wmode_start | WIA_wagp_agp)); + PRIMOUTREG(MGAREG_WIADDR, (__u32)(dev_priv->WarpIndex[pipe].phys_addr | + WIA_wmode_start | WIA_wagp_agp)); PRIMADVANCE(dev_priv); } -void mgaEmitState( drm_mga_private_t *dev_priv, drm_mga_buf_priv_t *buf_priv ) +static void mgaEmitState( drm_mga_private_t *dev_priv ) { - unsigned int dirty = buf_priv->dirty; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int dirty = sarea_priv->dirty; if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - if (dirty & MGASAREA_NEW_CONTEXT) - mgaEmitContext( dev_priv, buf_priv ); - - if (dirty & MGASAREA_NEW_TEX1) - mgaG400EmitTex1( dev_priv, buf_priv ); - - if (dirty & MGASAREA_NEW_TEX0) - mgaG400EmitTex0( dev_priv, buf_priv ); - - if (dirty & MGASAREA_NEW_PIPE) - mgaG400EmitPipe( dev_priv, buf_priv ); + int multitex = sarea_priv->WarpPipe & MGA_T2; + + if (sarea_priv->WarpPipe != dev_priv->WarpPipe) { + mgaG400EmitPipe( dev_priv ); + dev_priv->WarpPipe = sarea_priv->WarpPipe; + } + + if (dirty & MGA_UPLOAD_CTX) { + mgaEmitContext( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_CTX; + } + + if (dirty & MGA_UPLOAD_TEX0) { + mgaG400EmitTex0( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; + } + + if ((dirty & MGA_UPLOAD_TEX1) && multitex) { + mgaG400EmitTex1( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX1; + } } else { - if (dirty & MGASAREA_NEW_CONTEXT) - mgaEmitContext( dev_priv, buf_priv ); - - if (dirty & MGASAREA_NEW_TEX0) - mgaG200EmitTex( dev_priv, buf_priv ); - - if (dirty & MGASAREA_NEW_PIPE) - mgaG200EmitPipe( dev_priv, buf_priv ); - } + if (sarea_priv->WarpPipe != dev_priv->WarpPipe) { + mgaG200EmitPipe( dev_priv ); + dev_priv->WarpPipe = sarea_priv->WarpPipe; + } + + if (dirty & MGA_UPLOAD_CTX) { + mgaEmitContext( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_CTX; + } + + if (dirty & MGA_UPLOAD_TEX0) { + mgaG200EmitTex( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; + } + } } - /* Disallow all write destinations except the front and backbuffer. */ -static int mgaCopyContext(drm_mga_private_t *dev_priv, - drm_mga_buf_priv_t *buf_priv) +static int mgaVerifyContext(drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int *regs = sarea_priv->ContextState; - - if (regs[MGA_CTXREG_DSTORG] != dev_priv->frontOrg && - regs[MGA_CTXREG_DSTORG] != dev_priv->backOrg) + + if (regs[MGA_CTXREG_DSTORG] != dev_priv->frontOffset && + regs[MGA_CTXREG_DSTORG] != dev_priv->backOffset) { + DRM_DEBUG("BAD DSTORG: %x (front %x, back %x)\n\n", + regs[MGA_CTXREG_DSTORG], dev_priv->frontOffset, + dev_priv->backOffset); + regs[MGA_CTXREG_DSTORG] = 0; return -1; + } - memcpy(buf_priv->ContextState, sarea_priv->ContextState, - sizeof(buf_priv->ContextState)); return 0; } - /* Disallow texture reads from PCI space. */ -static int mgaCopyTex(drm_mga_private_t *dev_priv, - drm_mga_buf_priv_t *buf_priv, +static int mgaVerifyTex(drm_mga_private_t *dev_priv, int unit) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - if ((sarea_priv->TexState[unit][MGA_TEXREG_ORG] & 0x3) == 0x1) + if ((sarea_priv->TexState[unit][MGA_TEXREG_ORG] & 0x3) == 0x1) { + DRM_DEBUG("BAD TEXREG_ORG: %x, unit %d\n", + sarea_priv->TexState[unit][MGA_TEXREG_ORG], + unit); + sarea_priv->TexState[unit][MGA_TEXREG_ORG] = 0; return -1; - - memcpy(buf_priv->TexState[unit], sarea_priv->TexState[unit], - sizeof(buf_priv->TexState[0])); + } return 0; } - -int mgaCopyAndVerifyState( drm_mga_private_t *dev_priv, - drm_mga_buf_priv_t *buf_priv ) +static int mgaVerifyState( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int dirty = sarea_priv->dirty ; + unsigned int dirty = sarea_priv->dirty; int rv = 0; - buf_priv->dirty = sarea_priv->dirty; - buf_priv->WarpPipe = sarea_priv->WarpPipe; + if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) + sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - if (dirty & MGASAREA_NEW_CONTEXT) - rv |= mgaCopyContext( dev_priv, buf_priv ); + if (dirty & MGA_UPLOAD_CTX) + rv |= mgaVerifyContext( dev_priv ); - if (dirty & MGASAREA_NEW_TEX0) - rv |= mgaCopyTex( dev_priv, buf_priv, 0 ); + if (dirty & MGA_UPLOAD_TEX0) + rv |= mgaVerifyTex( dev_priv, 0 ); if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - if (dirty & MGASAREA_NEW_TEX1) - rv |= mgaCopyTex( dev_priv, buf_priv, 1 ); + if (dirty & MGA_UPLOAD_TEX1) + rv |= mgaVerifyTex( dev_priv, 1 ); - if (dirty & MGASAREA_NEW_PIPE) - rv |= (buf_priv->WarpPipe > MGA_MAX_G400_PIPES); + if (dirty & MGA_UPLOAD_PIPE) + rv |= (sarea_priv->WarpPipe > MGA_MAX_G400_PIPES); } else { - if (dirty & MGASAREA_NEW_PIPE) - rv |= (buf_priv->WarpPipe > MGA_MAX_G200_PIPES); + if (dirty & MGA_UPLOAD_PIPE) + rv |= (sarea_priv->WarpPipe > MGA_MAX_G200_PIPES); } return rv == 0; } +static int mgaVerifyIload( drm_mga_private_t *dev_priv, + unsigned long bus_address, + unsigned int dstOrg, int length ) +{ + if(dstOrg < dev_priv->textureOffset || + dstOrg + length > + (dev_priv->textureOffset + dev_priv->textureSize)) { + return -EINVAL; + } + if(length % 64) { + return -EINVAL; + } + return 0; +} + +/* 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_tex_blit( drm_device_t *dev, + unsigned long bus_address, + int length, + unsigned int destOrg ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + int use_agp = PDEA_pagpxfer_enable | 0x00000001; + u16 y2; + PRIMLOCALS; + + y2 = length / 64; + + PRIM_OVERFLOW(dev, dev_priv, 30); + PRIMGETPTR( dev_priv ); + + dev_priv->last_sync_tag = mga_create_sync_tag(dev); + + PRIMOUTREG( MGAREG_DSTORG, destOrg); + PRIMOUTREG( MGAREG_MACCESS, 0x00000000); + DRM_DEBUG("srcorg : %lx\n", bus_address | use_agp); + PRIMOUTREG( MGAREG_SRCORG, (u32) bus_address | use_agp); + PRIMOUTREG( MGAREG_AR5, 64); + + PRIMOUTREG( MGAREG_PITCH, 64); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DWGCTL, MGA_COPY_CMD); + + PRIMOUTREG(MGAREG_AR0, 63); + PRIMOUTREG(MGAREG_AR3, 0); + PRIMOUTREG(MGAREG_FXBNDRY, (63 << 16)); + PRIMOUTREG(MGAREG_YDSTLEN+MGAREG_MGA_EXEC, y2); + + PRIMOUTREG( MGAREG_SRCORG, 0); + PRIMOUTREG( MGAREG_PITCH, dev_priv->stride / dev_priv->cpp); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DWGSYNC, dev_priv->last_sync_tag); + PRIMADVANCE(dev_priv); +} + +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; + unsigned long address = (unsigned long)buf->bus_address; + int length = buf->used; + int use_agp = PDEA_pagpxfer_enable; + int i = 0; + int primary_needed; + PRIMLOCALS; + + DRM_DEBUG("dispatch vertex %d addr 0x%lx, " + "length 0x%x nbox %d dirty %x\n", + buf->idx, address, length, + sarea_priv->nbox, sarea_priv->dirty); + + + dev_priv->last_sync_tag = mga_create_sync_tag(dev); + + if (buf_priv->discard) { + buf_priv->my_freelist->age = dev_priv->last_sync_tag; + mga_freelist_put(dev, buf); + } + + + /* WARNING: if you change any of the state functions verify + * these numbers (Overestimating this doesn't hurt). + */ + primary_needed = (25+15+30+25+ + 10 + + 15 * MGA_NR_SAREA_CLIPRECTS); + + + PRIM_OVERFLOW(dev, dev_priv, primary_needed); + mgaEmitState( dev_priv ); + + if (buf->used) { + do { + if (i < sarea_priv->nbox) { + DRM_DEBUG("idx %d Emit box %d/%d:" + "%d,%d - %d,%d\n", + buf->idx, + i, sarea_priv->nbox, + sarea_priv->boxes[i].x1, + sarea_priv->boxes[i].y1, + sarea_priv->boxes[i].x2, + sarea_priv->boxes[i].y2); + + mgaEmitClipRect( dev_priv, + &sarea_priv->boxes[i] ); + } + + PRIMGETPTR(dev_priv); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_SECADDRESS, + ((__u32)address) | TT_VERTEX); + PRIMOUTREG( MGAREG_SECEND, + (((__u32)(address + length)) | + use_agp)); + PRIMADVANCE( dev_priv ); + } while (++i < sarea_priv->nbox); + } + + PRIMGETPTR( dev_priv ); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DWGSYNC, dev_priv->last_sync_tag); + PRIMADVANCE( dev_priv ); +} + +static void mga_dma_dispatch_clear( drm_device_t *dev, int flags, + unsigned int clear_color, + unsigned int clear_zval ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int *regs = sarea_priv->ContextState; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + unsigned int cmd; + int i; + int primary_needed; + PRIMLOCALS; + + if ( dev_priv->sgram ) + cmd = MGA_CLEAR_CMD | DC_atype_blk; + else + cmd = MGA_CLEAR_CMD | DC_atype_rstr; + + primary_needed = nbox * 70; + if(primary_needed == 0) primary_needed = 70; + PRIM_OVERFLOW(dev, dev_priv, primary_needed); + PRIMGETPTR( dev_priv ); + dev_priv->last_sync_tag = mga_create_sync_tag(dev); + + for (i = 0 ; i < nbox ; i++) { + unsigned int height = pbox[i].y2 - pbox[i].y1; + + DRM_DEBUG("dispatch clear %d,%d-%d,%d flags %x!\n", + pbox[i].x1, pbox[i].y1, pbox[i].x2, + pbox[i].y2, flags); + + if ( flags & MGA_FRONT ) { + DRM_DEBUG("clear front\n"); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_YDSTLEN, (pbox[i].y1<<16)|height); + PRIMOUTREG(MGAREG_FXBNDRY, (pbox[i].x2<<16)|pbox[i].x1); + + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_FCOL, clear_color); + PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset); + PRIMOUTREG(MGAREG_DWGCTL+MGAREG_MGA_EXEC, cmd ); + } + + if ( flags & MGA_BACK ) { + DRM_DEBUG("clear back\n"); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_YDSTLEN, (pbox[i].y1<<16)|height); + PRIMOUTREG(MGAREG_FXBNDRY, (pbox[i].x2<<16)|pbox[i].x1); + + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_FCOL, clear_color); + PRIMOUTREG(MGAREG_DSTORG, dev_priv->backOffset); + PRIMOUTREG(MGAREG_DWGCTL+MGAREG_MGA_EXEC, cmd ); + } + + if ( flags & MGA_DEPTH ) { + DRM_DEBUG("clear depth\n"); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_YDSTLEN, (pbox[i].y1<<16)|height); + PRIMOUTREG(MGAREG_FXBNDRY, (pbox[i].x2<<16)|pbox[i].x1); + + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_FCOL, clear_zval); + PRIMOUTREG(MGAREG_DSTORG, dev_priv->depthOffset); + PRIMOUTREG(MGAREG_DWGCTL+MGAREG_MGA_EXEC, cmd ); + } + } + + /* Force reset of DWGCTL */ + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL] ); + + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DWGSYNC, dev_priv->last_sync_tag); + PRIMADVANCE(dev_priv); +} + +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; + unsigned int *regs = sarea_priv->ContextState; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int i; + int primary_needed; + PRIMLOCALS; + + primary_needed = nbox * 5; + primary_needed += 60; + PRIM_OVERFLOW(dev, dev_priv, primary_needed); + PRIMGETPTR( dev_priv ); + + dev_priv->last_sync_tag = mga_create_sync_tag(dev); + + PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset); + PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess); + PRIMOUTREG(MGAREG_SRCORG, dev_priv->backOffset); + PRIMOUTREG(MGAREG_AR5, dev_priv->stride/2); + + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); + + for (i = 0 ; i < nbox; i++) { + unsigned int h = pbox[i].y2 - pbox[i].y1; + unsigned int start = pbox[i].y1 * dev_priv->stride/2; + + DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n", + pbox[i].x1, pbox[i].y1, + pbox[i].x2, pbox[i].y2); + + PRIMOUTREG(MGAREG_AR0, start + pbox[i].x2 - 1); + PRIMOUTREG(MGAREG_AR3, start + pbox[i].x1); + PRIMOUTREG(MGAREG_FXBNDRY, pbox[i].x1|((pbox[i].x2 - 1)<<16)); + PRIMOUTREG(MGAREG_YDSTLEN+MGAREG_MGA_EXEC, (pbox[i].y1<<16)|h); + } + + /* Force reset of DWGCTL */ + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL] ); + + PRIMOUTREG( MGAREG_SRCORG, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DWGSYNC, dev_priv->last_sync_tag); + PRIMADVANCE(dev_priv); +} + +int mga_clear_bufs(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 = (drm_mga_private_t *)dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + __volatile__ unsigned int *status = + (__volatile__ unsigned int *)dev_priv->status_page; + drm_mga_clear_t clear; + + copy_from_user_ret(&clear, (drm_mga_clear_t *)arg, sizeof(clear), + -EFAULT); + + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("mga_clear_bufs called without lock held\n"); + return -EINVAL; + } + + if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) + sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX; + mga_dma_dispatch_clear( dev, clear.flags, + clear.clear_color, + clear.clear_depth ); + PRIMUPDATE(dev_priv); + mga_dma_schedule(dev, 1); + sarea_priv->last_dispatch = status[1]; + return 0; +} + +int mga_swap_bufs(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 = (drm_mga_private_t *)dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + __volatile__ unsigned int *status = + (__volatile__ unsigned int *)dev_priv->status_page; + + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("mga_swap_bufs called without lock held\n"); + return -EINVAL; + } + + if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) + sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX; + mga_dma_dispatch_swap( dev ); + PRIMUPDATE(dev_priv); + set_bit(0, &dev_priv->current_prim->swap_pending); + dev_priv->current_prim->swap_pending = 1; + mga_dma_schedule(dev, 1); + sarea_priv->last_dispatch = status[1]; + return 0; +} + +int mga_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 = (drm_mga_private_t *)dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + __volatile__ unsigned int *status = + (__volatile__ unsigned int *)dev_priv->status_page; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + drm_mga_iload_t iload; + unsigned long bus_address; + + DRM_DEBUG("Starting Iload\n"); + copy_from_user_ret(&iload, (drm_mga_iload_t *)arg, sizeof(iload), + -EFAULT); + + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("mga_iload called without lock held\n"); + return -EINVAL; + } + + buf = dma->buflist[ iload.idx ]; + buf_priv = buf->dev_private; + bus_address = buf->bus_address; + DRM_DEBUG("bus_address %lx, length %d, destorg : %x\n", + bus_address, iload.length, iload.destOrg); + + if(mgaVerifyIload(dev_priv, + bus_address, + iload.destOrg, + iload.length)) { + mga_freelist_put(dev, buf); + return -EINVAL; + } + + sarea_priv->dirty |= MGA_UPLOAD_CTX; + + mga_dma_dispatch_tex_blit(dev, bus_address, iload.length, + iload.destOrg); + buf_priv->my_freelist->age = dev_priv->last_sync_tag; + buf_priv->discard = 1; + mga_freelist_put(dev, buf); + mga_dma_schedule(dev, 1); + sarea_priv->last_dispatch = status[1]; + return 0; +} + +int mga_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 = (drm_mga_private_t *)dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + __volatile__ unsigned int *status = + (__volatile__ unsigned int *)dev_priv->status_page; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + drm_mga_vertex_t vertex; + + copy_from_user_ret(&vertex, (drm_mga_vertex_t *)arg, sizeof(vertex), + -EFAULT); + + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("mga_vertex called without lock held\n"); + return -EINVAL; + } + + DRM_DEBUG("mga_vertex\n"); + + buf = dma->buflist[ vertex.idx ]; + buf_priv = buf->dev_private; + + buf->used = vertex.used; + buf_priv->discard = vertex.discard; + + if (!mgaVerifyState(dev_priv)) { + if (vertex.discard) { + buf_priv->my_freelist->age = dev_priv->last_sync_tag; + mga_freelist_put(dev, buf); + } + return -EINVAL; + } + + mga_dma_dispatch_vertex(dev, buf); + + PRIMUPDATE(dev_priv); + mga_dma_schedule(dev, 1); + sarea_priv->last_dispatch = status[1]; + return 0; +} + +static int mga_dma_get_buffers(drm_device_t *dev, drm_dma_t *d) +{ + int i; + drm_buf_t *buf; + + for (i = d->granted_count; i < d->request_count; i++) { + buf = mga_freelist_get(dev); + if (!buf) break; + buf->pid = current->pid; + copy_to_user_ret(&d->request_indices[i], + &buf->idx, + sizeof(buf->idx), + -EFAULT); + copy_to_user_ret(&d->request_sizes[i], + &buf->total, + sizeof(buf->total), + -EFAULT); + ++d->granted_count; + } + return 0; +} + +int mga_dma(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 = (drm_mga_private_t *)dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + __volatile__ unsigned int *status = + (__volatile__ unsigned int *)dev_priv->status_page; + int retcode = 0; + drm_dma_t d; + + copy_from_user_ret(&d, (drm_dma_t *)arg, sizeof(d), -EFAULT); + DRM_DEBUG("%d %d: %d send, %d req\n", + current->pid, d.context, d.send_count, d.request_count); + + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("mga_dma called without lock held\n"); + return -EINVAL; + } + + /* Please don't send us buffers. + */ + if (d.send_count != 0) { + DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n", + current->pid, d.send_count); + return -EINVAL; + } + + /* We'll send you buffers. + */ + if (d.request_count < 0 || d.request_count > dma->buf_count) { + DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", + current->pid, d.request_count, dma->buf_count); + return -EINVAL; + } + + d.granted_count = 0; + + if (d.request_count) { + retcode = mga_dma_get_buffers(dev, &d); + } + + DRM_DEBUG("%d returning, granted = %d\n", + current->pid, d.granted_count); + copy_to_user_ret((drm_dma_t *)arg, &d, sizeof(d), -EFAULT); + sarea_priv->last_dispatch = status[1]; + return retcode; +} |