/* 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. * 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: Jeff Hartmann * Keith Whitwell * * $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 $ * */ #define __NO_VERSION__ #include "drmP.h" #include "mga_drv.h" #include "mgareg_flags.h" #include "mga_dma.h" #include "drm.h" static void mgaEmitClipRect( drm_mga_private_t *dev_priv, xf86drmClipRectRec *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] ); PRIMOUTREG( MGAREG_DMAPAD, 0 ); PRIMOUTREG( MGAREG_CXBNDRY, ((box->x2)<<16)|(box->x1) ); 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_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_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(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_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(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( 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_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(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( MGAREG_TEXTRANS, 0xffff ); PRIMOUTREG( MGAREG_TEXTRANSHIGH, 0xffff ); PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] ); PRIMADVANCE( dev_priv ); } static void mgaG400EmitPipe(drm_mga_private_t *dev_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); /* 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(0x2d00 + 56*4, *((u32 *)(&fParam))); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(0x2d00 + 49*4, 0); /* Tex stage 0 */ PRIMOUTREG(0x2d00 + 57*4, 0); /* Tex stage 0 */ PRIMOUTREG(0x2d00 + 53*4, 0); /* Tex stage 1 */ PRIMOUTREG(0x2d00 + 61*4, 0); /* Tex stage 1 */ PRIMOUTREG(0x2d00 + 54*4, 0x40); /* Tex stage 0 : w */ PRIMOUTREG(0x2d00 + 62*4, 0x40); /* Tex stage 0 : h */ PRIMOUTREG(0x2d00 + 52*4, 0x40); /* Tex stage 1 : w */ PRIMOUTREG(0x2d00 + 60*4, 0x40); /* Tex stage 1 : h */ /* Dma pading required due to hw bug */ PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); 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_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); PRIMOUTREG(0x2d00 + 24*4, 0); /* tex w/h */ PRIMOUTREG(0x2d00 + 25*4, 0x100); PRIMOUTREG(0x2d00 + 34*4, 0); /* tex w/h */ PRIMOUTREG(0x2d00 + 42*4, 0xFFFF); PRIMOUTREG(0x2d00 + 60*4, 0xFFFF); /* Dma pading required due to hw bug */ PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); PRIMOUTREG(MGAREG_WIADDR, (__u32)(dev_priv->WarpIndex[pipe].phys_addr | WIA_wmode_start | WIA_wagp_agp)); PRIMADVANCE(dev_priv); } static void mgaEmitState( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int dirty = sarea_priv->dirty; if (dev_priv->chipset == MGA_CARD_TYPE_G400) { int multitex = sarea_priv->WarpPipe & MGA_T2; /* DRM_DEBUG("BUF PIPE: %x LOADED PIPE: %x\n", */ /* sarea_priv->WarpPipe, dev_priv->WarpPipe); */ 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 (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; } } } /* WARNING if you change any of the state functions * verify these numbers */ static int mgaCalcState( drm_mga_private_t *dev_priv ) { /* It doesn't hurt to overestimate. */ return 25+15+30+25; } /* Disallow all write destinations except the front and backbuffer. */ 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->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; } return 0; } /* Disallow texture reads from PCI space. */ 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) { 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; } return 0; } 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; int rv = 0; if (sarea_priv->nbox >= MGA_NR_SAREA_CLIPRECTS) sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; if (dirty & MGA_UPLOAD_CTX) rv |= mgaVerifyContext( dev_priv ); if (dirty & MGA_UPLOAD_TEX0) rv |= mgaVerifyTex( dev_priv, 0 ); if (dev_priv->chipset == MGA_CARD_TYPE_G400) { if (dirty & MGA_UPLOAD_TEX1) rv |= mgaVerifyTex( dev_priv, 1 ); if (dirty & MGA_UPLOAD_PIPE) rv |= (sarea_priv->WarpPipe > MGA_MAX_G400_PIPES); } else { 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 inline 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 inline void mga_dma_dispatch_vertex(drm_device_t *dev, drm_buf_t *buf, int real_idx, int idx) { 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(real_idx == idx) { buf_priv->my_freelist->age = dev_priv->last_sync_tag; mga_freelist_put(dev, buf); } /* 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 ); 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 ); } /* Not currently used */ static inline void mga_dma_dispatch_general(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; unsigned long address = (unsigned long)buf->bus_address; int length = buf->used; int use_agp = PDEA_pagpxfer_enable; PRIMLOCALS; PRIM_OVERFLOW(dev, dev_priv, 10); PRIMGETPTR(dev_priv); dev_priv->last_sync_tag = mga_create_sync_tag(dev); buf_priv->my_freelist->age = dev_priv->last_sync_tag; mga_freelist_put(dev, buf); PRIMOUTREG( MGAREG_DMAPAD, 0); PRIMOUTREG( MGAREG_DMAPAD, 0); PRIMOUTREG( MGAREG_SECADDRESS, ((__u32)address) | TT_GENERAL); PRIMOUTREG( MGAREG_SECEND, (((__u32)(address + length)) | use_agp)); PRIMOUTREG( MGAREG_DMAPAD, 0); PRIMOUTREG( MGAREG_DMAPAD, 0); PRIMOUTREG( MGAREG_DMAPAD, 0); PRIMOUTREG( MGAREG_DWGSYNC, dev_priv->last_sync_tag); PRIMADVANCE(dev_priv); } static inline 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; xf86drmClipRectRec *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 inline 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; xf86drmClipRectRec *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 (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 (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); 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; 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); DRM_DEBUG("mga_vertex\n"); buf = dma->buflist[ vertex.real_idx ]; buf_priv = buf->dev_private; if (!mgaVerifyState(dev_priv)) { if(vertex.real_idx == vertex.idx) { buf_priv->my_freelist->age = dev_priv->last_sync_tag; mga_freelist_put(dev, buf); } return -EINVAL; } buf->used = vertex.real_used; if(vertex.discard) { buf_priv->my_freelist->age = dev_priv->last_sync_tag; mga_freelist_put(dev, buf); } else { mga_dma_dispatch_vertex(dev, buf, vertex.real_idx, vertex.idx); } 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); /* 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; }