| /* |
| * 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 |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| |
| /* 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) |
| { |
| return 0; |
| } |
| |
| void fbcon_XGI_fillrect(struct fb_info *info, const struct fb_fillrect *rect) |
| { |
| if (!rect->width || !rect->height) |
| return; |
| |
| cfb_fillrect(info, rect); |
| return; |
| } |
| |
| void fbcon_XGI_copyarea(struct fb_info *info, const struct fb_copyarea *area) |
| { |
| cfb_copyarea(info, area); |
| return; |
| } |
| |
| |
| |