diff options
Diffstat (limited to 'drivers/staging/xgifb/XGI_accel.c')
| -rw-r--r-- | drivers/staging/xgifb/XGI_accel.c | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/drivers/staging/xgifb/XGI_accel.c b/drivers/staging/xgifb/XGI_accel.c deleted file mode 100644 index 79549742cff1..000000000000 --- a/drivers/staging/xgifb/XGI_accel.c +++ /dev/null @@ -1,289 +0,0 @@ -/* - * XGI 300/630/730/540/315/550/650/740 frame buffer driver - * for Linux kernels 2.4.x and 2.5.x - * - * 2D acceleration part - * - * Based on the X driver's XGI300_accel.c which is - * Copyright Xavier Ducoin <x.ducoin@lectra.com> - * Copyright 2002 by Thomas Winischhofer, Vienna, Austria - * and XGI310_accel.c which is - * Copyright 2002 by Thomas Winischhofer, Vienna, Austria - * - * Author: Thomas Winischhofer <thomas@winischhofer.net> - * (see http://www.winischhofer.net/ - * for more information and updates) - */ - -//#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/console.h> -#include <linux/selection.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/vt_kern.h> -#include <linux/capability.h> -#include <linux/fs.h> -#include <linux/agp_backend.h> - -#include <linux/types.h> -#include <asm/io.h> - -#ifdef CONFIG_MTRR -#include <asm/mtrr.h> -#endif - -#include "vgatypes.h" -#include "vb_struct.h" -#include "XGIfb.h" -#include "XGI_accel.h" - -static const int XGIALUConv[] = -{ - 0x00, /* dest = 0; 0, GXclear, 0 */ - 0x88, /* dest &= src; DSa, GXand, 0x1 */ - 0x44, /* dest = src & ~dest; SDna, GXandReverse, 0x2 */ - 0xCC, /* dest = src; S, GXcopy, 0x3 */ - 0x22, /* dest &= ~src; DSna, GXandInverted, 0x4 */ - 0xAA, /* dest = dest; D, GXnoop, 0x5 */ - 0x66, /* dest = ^src; DSx, GXxor, 0x6 */ - 0xEE, /* dest |= src; DSo, GXor, 0x7 */ - 0x11, /* dest = ~src & ~dest; DSon, GXnor, 0x8 */ - 0x99, /* dest ^= ~src ; DSxn, GXequiv, 0x9 */ - 0x55, /* dest = ~dest; Dn, GXInvert, 0xA */ - 0xDD, /* dest = src|~dest ; SDno, GXorReverse, 0xB */ - 0x33, /* dest = ~src; Sn, GXcopyInverted, 0xC */ - 0xBB, /* dest |= ~src; DSno, GXorInverted, 0xD */ - 0x77, /* dest = ~src|~dest; DSan, GXnand, 0xE */ - 0xFF, /* dest = 0xFF; 1, GXset, 0xF */ -}; -/* same ROP but with Pattern as Source */ -static const int XGIPatALUConv[] = -{ - 0x00, /* dest = 0; 0, GXclear, 0 */ - 0xA0, /* dest &= src; DPa, GXand, 0x1 */ - 0x50, /* dest = src & ~dest; PDna, GXandReverse, 0x2 */ - 0xF0, /* dest = src; P, GXcopy, 0x3 */ - 0x0A, /* dest &= ~src; DPna, GXandInverted, 0x4 */ - 0xAA, /* dest = dest; D, GXnoop, 0x5 */ - 0x5A, /* dest = ^src; DPx, GXxor, 0x6 */ - 0xFA, /* dest |= src; DPo, GXor, 0x7 */ - 0x05, /* dest = ~src & ~dest; DPon, GXnor, 0x8 */ - 0xA5, /* dest ^= ~src ; DPxn, GXequiv, 0x9 */ - 0x55, /* dest = ~dest; Dn, GXInvert, 0xA */ - 0xF5, /* dest = src|~dest ; PDno, GXorReverse, 0xB */ - 0x0F, /* dest = ~src; Pn, GXcopyInverted, 0xC */ - 0xAF, /* dest |= ~src; DPno, GXorInverted, 0xD */ - 0x5F, /* dest = ~src|~dest; DPan, GXnand, 0xE */ - 0xFF, /* dest = 0xFF; 1, GXset, 0xF */ -}; - -static const unsigned char myrops[] = { - 3, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 - }; - -/* 300 series */ -static void -XGI310Sync(void) -{ - XGI310Idle -} - -/* 310/325 series ------------------------------------------------ */ - -static void -XGI310SetupForScreenToScreenCopy(int xdir, int ydir, int rop, - unsigned int planemask, int trans_color) -{ - XGI310SetupDSTColorDepth(xgi_video_info.DstColor); - XGI310SetupSRCPitch(xgi_video_info.video_linelength) - XGI310SetupDSTRect(xgi_video_info.video_linelength, 0xFFF) - if (trans_color != -1) { - XGI310SetupROP(0x0A) - XGI310SetupSRCTrans(trans_color) - XGI310SetupCMDFlag(TRANSPARENT_BITBLT) - } else { - XGI310SetupROP(XGIALUConv[rop]) - /* Set command - not needed, both 0 */ - /* XGISetupCMDFlag(BITBLT | SRCVIDEO) */ - } - XGI310SetupCMDFlag(xgi_video_info.XGI310_AccelDepth) - /* TW: The 310/325 series is smart enough to know the direction */ -} - -static void -XGI310SubsequentScreenToScreenCopy(int src_x, int src_y, int dst_x, int dst_y, - int width, int height) -{ - long srcbase, dstbase; - int mymin, mymax; - - srcbase = dstbase = 0; - mymin = min(src_y, dst_y); - mymax = max(src_y, dst_y); - - /* Although the chip knows the direction to use - * if the source and destination areas overlap, - * that logic fails if we fiddle with the bitmap - * addresses. Therefore, we check if the source - * and destination blitting areas overlap and - * adapt the bitmap addresses synchronously - * if the coordinates exceed the valid range. - * The the areas do not overlap, we do our - * normal check. - */ - if((mymax - mymin) < height) { - if((src_y >= 2048) || (dst_y >= 2048)) { - srcbase = xgi_video_info.video_linelength * mymin; - dstbase = xgi_video_info.video_linelength * mymin; - src_y -= mymin; - dst_y -= mymin; - } - } else { - if(src_y >= 2048) { - srcbase = xgi_video_info.video_linelength * src_y; - src_y = 0; - } - if(dst_y >= 2048) { - dstbase = xgi_video_info.video_linelength * dst_y; - dst_y = 0; - } - } - - XGI310SetupSRCBase(srcbase); - XGI310SetupDSTBase(dstbase); - XGI310SetupRect(width, height) - XGI310SetupSRCXY(src_x, src_y) - XGI310SetupDSTXY(dst_x, dst_y) - XGI310DoCMD -} - -static void -XGI310SetupForSolidFill(int color, int rop, unsigned int planemask) -{ - XGI310SetupPATFG(color) - XGI310SetupDSTRect(xgi_video_info.video_linelength, 0xFFF) - XGI310SetupDSTColorDepth(xgi_video_info.DstColor); - XGI310SetupROP(XGIPatALUConv[rop]) - XGI310SetupCMDFlag(PATFG | xgi_video_info.XGI310_AccelDepth) -} - -static void -XGI310SubsequentSolidFillRect(int x, int y, int w, int h) -{ - long dstbase; - - dstbase = 0; - if(y >= 2048) { - dstbase = xgi_video_info.video_linelength * y; - y = 0; - } - XGI310SetupDSTBase(dstbase) - XGI310SetupDSTXY(x,y) - XGI310SetupRect(w,h) - XGI310SetupCMDFlag(BITBLT) - XGI310DoCMD -} - -/* --------------------------------------------------------------------- */ - -/* The exported routines */ - -int XGIfb_initaccel(void) -{ -#ifdef XGIFB_USE_SPINLOCKS - spin_lock_init(&xgi_video_info.lockaccel); -#endif - return(0); -} - -void XGIfb_syncaccel(void) -{ - - XGI310Sync(); - -} - -int fbcon_XGI_sync(struct fb_info *info) -{ - if(!XGIfb_accel) return 0; - CRITFLAGS - - XGI310Sync(); - - CRITEND - return 0; -} - -void fbcon_XGI_fillrect(struct fb_info *info, const struct fb_fillrect *rect) -{ - int col=0; - CRITFLAGS - - - if(!rect->width || !rect->height) - return; - - if(!XGIfb_accel) { - cfb_fillrect(info, rect); - return; - } - - switch(info->var.bits_per_pixel) { - case 8: col = rect->color; - break; - case 16: col = ((u32 *)(info->pseudo_palette))[rect->color]; - break; - case 32: col = ((u32 *)(info->pseudo_palette))[rect->color]; - break; - } - - - CRITBEGIN - XGI310SetupForSolidFill(col, myrops[rect->rop], 0); - XGI310SubsequentSolidFillRect(rect->dx, rect->dy, rect->width, rect->height); - CRITEND - XGI310Sync(); - - -} - -void fbcon_XGI_copyarea(struct fb_info *info, const struct fb_copyarea *area) -{ - int xdir, ydir; - CRITFLAGS - - - if(!XGIfb_accel) { - cfb_copyarea(info, area); - return; - } - - if(!area->width || !area->height) - return; - - if(area->sx < area->dx) xdir = 0; - else xdir = 1; - if(area->sy < area->dy) ydir = 0; - else ydir = 1; - - CRITBEGIN - XGI310SetupForScreenToScreenCopy(xdir, ydir, 3, 0, -1); - XGI310SubsequentScreenToScreenCopy(area->sx, area->sy, area->dx, area->dy, area->width, area->height); - CRITEND - XGI310Sync(); - -} - - - |