![apatard@mandriva.com](/assets/img/avatar_default.png)
This driver handles XG20, XG21, XG40, XG42 chipsets from XGI. They're also known as Z7,Z9,Z11 chipsets. It's based on the SiS fb driver but has been heavily modified by XGI to support their newer chipsets. Signed-off-by: Arnaud Patard <apatard@mandriva.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
597 lines
15 KiB
C
597 lines
15 KiB
C
/*
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* XGI 300/630/730/540/315/550/650/740 frame buffer driver
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* for Linux kernels 2.4.x and 2.5.x
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*
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* 2D acceleration part
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*
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* Based on the X driver's XGI300_accel.c which is
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* Copyright Xavier Ducoin <x.ducoin@lectra.com>
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* Copyright 2002 by Thomas Winischhofer, Vienna, Austria
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* and XGI310_accel.c which is
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* Copyright 2002 by Thomas Winischhofer, Vienna, Austria
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*
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* Author: Thomas Winischhofer <thomas@winischhofer.net>
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* (see http://www.winischhofer.net/
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* for more information and updates)
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*/
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//#include <linux/config.h>
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#include <linux/version.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/tty.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/fb.h>
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#include <linux/console.h>
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#include <linux/selection.h>
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#include <linux/ioport.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/vt_kern.h>
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#include <linux/capability.h>
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#include <linux/fs.h>
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#include <linux/agp_backend.h>
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#include <linux/types.h>
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/*
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
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#include <linux/XGIfb.h>
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#else
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#include <video/XGIfb.h>
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#endif
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*/
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#include <asm/io.h>
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#ifdef CONFIG_MTRR
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#include <asm/mtrr.h>
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
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#include <video/fbcon.h>
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#include <video/fbcon-cfb8.h>
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#include <video/fbcon-cfb16.h>
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#include <video/fbcon-cfb24.h>
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#include <video/fbcon-cfb32.h>
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#endif
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#include "osdef.h"
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#include "vgatypes.h"
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#include "vb_struct.h"
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#include "XGIfb.h"
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#include "XGI_accel.h"
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extern struct video_info xgi_video_info;
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extern int XGIfb_accel;
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static const int XGIALUConv[] =
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{
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0x00, /* dest = 0; 0, GXclear, 0 */
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0x88, /* dest &= src; DSa, GXand, 0x1 */
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0x44, /* dest = src & ~dest; SDna, GXandReverse, 0x2 */
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0xCC, /* dest = src; S, GXcopy, 0x3 */
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0x22, /* dest &= ~src; DSna, GXandInverted, 0x4 */
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0xAA, /* dest = dest; D, GXnoop, 0x5 */
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0x66, /* dest = ^src; DSx, GXxor, 0x6 */
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0xEE, /* dest |= src; DSo, GXor, 0x7 */
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0x11, /* dest = ~src & ~dest; DSon, GXnor, 0x8 */
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0x99, /* dest ^= ~src ; DSxn, GXequiv, 0x9 */
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0x55, /* dest = ~dest; Dn, GXInvert, 0xA */
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0xDD, /* dest = src|~dest ; SDno, GXorReverse, 0xB */
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0x33, /* dest = ~src; Sn, GXcopyInverted, 0xC */
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0xBB, /* dest |= ~src; DSno, GXorInverted, 0xD */
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0x77, /* dest = ~src|~dest; DSan, GXnand, 0xE */
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0xFF, /* dest = 0xFF; 1, GXset, 0xF */
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};
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/* same ROP but with Pattern as Source */
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static const int XGIPatALUConv[] =
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{
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0x00, /* dest = 0; 0, GXclear, 0 */
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0xA0, /* dest &= src; DPa, GXand, 0x1 */
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0x50, /* dest = src & ~dest; PDna, GXandReverse, 0x2 */
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0xF0, /* dest = src; P, GXcopy, 0x3 */
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0x0A, /* dest &= ~src; DPna, GXandInverted, 0x4 */
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0xAA, /* dest = dest; D, GXnoop, 0x5 */
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0x5A, /* dest = ^src; DPx, GXxor, 0x6 */
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0xFA, /* dest |= src; DPo, GXor, 0x7 */
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0x05, /* dest = ~src & ~dest; DPon, GXnor, 0x8 */
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0xA5, /* dest ^= ~src ; DPxn, GXequiv, 0x9 */
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0x55, /* dest = ~dest; Dn, GXInvert, 0xA */
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0xF5, /* dest = src|~dest ; PDno, GXorReverse, 0xB */
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0x0F, /* dest = ~src; Pn, GXcopyInverted, 0xC */
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0xAF, /* dest |= ~src; DPno, GXorInverted, 0xD */
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0x5F, /* dest = ~src|~dest; DPan, GXnand, 0xE */
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0xFF, /* dest = 0xFF; 1, GXset, 0xF */
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};
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34)
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static const unsigned char myrops[] = {
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3, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
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};
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#endif
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/* 300 series */
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#if 0
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static void
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XGI300Sync(void)
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{
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XGI300Idle
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}
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#endif
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static void
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XGI310Sync(void)
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{
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XGI310Idle
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}
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#if 0
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static void
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XGI300SetupForScreenToScreenCopy(int xdir, int ydir, int rop,
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unsigned int planemask, int trans_color)
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{
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XGI300SetupDSTColorDepth(xgi_video_info.DstColor);
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XGI300SetupSRCPitch(xgi_video_info.video_linelength)
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XGI300SetupDSTRect(xgi_video_info.video_linelength, 0xFFF)
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if(trans_color != -1) {
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XGI300SetupROP(0x0A)
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XGI300SetupSRCTrans(trans_color)
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XGI300SetupCMDFlag(TRANSPARENT_BITBLT)
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} else {
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XGI300SetupROP(XGIALUConv[rop])
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}
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if(xdir > 0) {
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XGI300SetupCMDFlag(X_INC)
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}
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if(ydir > 0) {
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XGI300SetupCMDFlag(Y_INC)
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}
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}
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static void
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XGI300SubsequentScreenToScreenCopy(int src_x, int src_y, int dst_x, int dst_y,
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int width, int height)
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{
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long srcbase, dstbase;
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srcbase = dstbase = 0;
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if (src_y >= 2048) {
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srcbase = xgi_video_info.video_linelength * src_y;
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src_y = 0;
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}
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if (dst_y >= 2048) {
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dstbase = xgi_video_info.video_linelength * dst_y;
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dst_y = 0;
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}
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XGI300SetupSRCBase(srcbase);
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XGI300SetupDSTBase(dstbase);
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if(!(xgi_video_info.CommandReg & X_INC)) {
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src_x += width-1;
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dst_x += width-1;
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}
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if(!(xgi_video_info.CommandReg & Y_INC)) {
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src_y += height-1;
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dst_y += height-1;
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}
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XGI300SetupRect(width, height)
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XGI300SetupSRCXY(src_x, src_y)
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XGI300SetupDSTXY(dst_x, dst_y)
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XGI300DoCMD
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}
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static void
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XGI300SetupForSolidFill(int color, int rop, unsigned int planemask)
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{
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XGI300SetupPATFG(color)
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XGI300SetupDSTRect(xgi_video_info.video_linelength, 0xFFF)
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XGI300SetupDSTColorDepth(xgi_video_info.DstColor);
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XGI300SetupROP(XGIPatALUConv[rop])
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XGI300SetupCMDFlag(PATFG)
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}
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static void
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XGI300SubsequentSolidFillRect(int x, int y, int w, int h)
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{
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long dstbase;
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dstbase = 0;
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if(y >= 2048) {
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dstbase = xgi_video_info.video_linelength * y;
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y = 0;
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}
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XGI300SetupDSTBase(dstbase)
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XGI300SetupDSTXY(x,y)
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XGI300SetupRect(w,h)
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XGI300SetupCMDFlag(X_INC | Y_INC | BITBLT)
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XGI300DoCMD
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}
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#endif
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/* 310/325 series ------------------------------------------------ */
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static void
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XGI310SetupForScreenToScreenCopy(int xdir, int ydir, int rop,
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unsigned int planemask, int trans_color)
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{
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XGI310SetupDSTColorDepth(xgi_video_info.DstColor);
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XGI310SetupSRCPitch(xgi_video_info.video_linelength)
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XGI310SetupDSTRect(xgi_video_info.video_linelength, 0xFFF)
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if (trans_color != -1) {
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XGI310SetupROP(0x0A)
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XGI310SetupSRCTrans(trans_color)
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XGI310SetupCMDFlag(TRANSPARENT_BITBLT)
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} else {
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XGI310SetupROP(XGIALUConv[rop])
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/* Set command - not needed, both 0 */
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/* XGISetupCMDFlag(BITBLT | SRCVIDEO) */
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}
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XGI310SetupCMDFlag(xgi_video_info.XGI310_AccelDepth)
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/* TW: The 310/325 series is smart enough to know the direction */
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}
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static void
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XGI310SubsequentScreenToScreenCopy(int src_x, int src_y, int dst_x, int dst_y,
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int width, int height)
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{
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long srcbase, dstbase;
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int mymin, mymax;
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srcbase = dstbase = 0;
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mymin = min(src_y, dst_y);
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mymax = max(src_y, dst_y);
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/* Although the chip knows the direction to use
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* if the source and destination areas overlap,
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* that logic fails if we fiddle with the bitmap
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* addresses. Therefore, we check if the source
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* and destination blitting areas overlap and
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* adapt the bitmap addresses synchronously
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* if the coordinates exceed the valid range.
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* The the areas do not overlap, we do our
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* normal check.
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*/
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if((mymax - mymin) < height) {
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if((src_y >= 2048) || (dst_y >= 2048)) {
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srcbase = xgi_video_info.video_linelength * mymin;
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dstbase = xgi_video_info.video_linelength * mymin;
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src_y -= mymin;
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dst_y -= mymin;
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}
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} else {
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if(src_y >= 2048) {
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srcbase = xgi_video_info.video_linelength * src_y;
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src_y = 0;
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}
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if(dst_y >= 2048) {
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dstbase = xgi_video_info.video_linelength * dst_y;
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dst_y = 0;
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}
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}
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XGI310SetupSRCBase(srcbase);
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XGI310SetupDSTBase(dstbase);
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XGI310SetupRect(width, height)
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XGI310SetupSRCXY(src_x, src_y)
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XGI310SetupDSTXY(dst_x, dst_y)
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XGI310DoCMD
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}
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static void
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XGI310SetupForSolidFill(int color, int rop, unsigned int planemask)
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{
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XGI310SetupPATFG(color)
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XGI310SetupDSTRect(xgi_video_info.video_linelength, 0xFFF)
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XGI310SetupDSTColorDepth(xgi_video_info.DstColor);
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XGI310SetupROP(XGIPatALUConv[rop])
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XGI310SetupCMDFlag(PATFG | xgi_video_info.XGI310_AccelDepth)
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}
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static void
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XGI310SubsequentSolidFillRect(int x, int y, int w, int h)
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{
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long dstbase;
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dstbase = 0;
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if(y >= 2048) {
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dstbase = xgi_video_info.video_linelength * y;
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y = 0;
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}
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XGI310SetupDSTBase(dstbase)
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XGI310SetupDSTXY(x,y)
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XGI310SetupRect(w,h)
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XGI310SetupCMDFlag(BITBLT)
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XGI310DoCMD
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}
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/* --------------------------------------------------------------------- */
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/* The exported routines */
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int XGIfb_initaccel(void)
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{
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#ifdef XGIFB_USE_SPINLOCKS
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spin_lock_init(&xgi_video_info.lockaccel);
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#endif
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return(0);
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}
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void XGIfb_syncaccel(void)
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{
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XGI310Sync();
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}
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34) /* --- KERNEL 2.5.34 and later --- */
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int fbcon_XGI_sync(struct fb_info *info)
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{
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if(!XGIfb_accel) return 0;
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CRITFLAGS
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XGI310Sync();
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CRITEND
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return 0;
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}
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void fbcon_XGI_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
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{
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int col=0;
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CRITFLAGS
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if(!rect->width || !rect->height)
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return;
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if(!XGIfb_accel) {
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cfb_fillrect(info, rect);
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return;
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}
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switch(info->var.bits_per_pixel) {
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case 8: col = rect->color;
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break;
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case 16: col = ((u32 *)(info->pseudo_palette))[rect->color];
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break;
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case 32: col = ((u32 *)(info->pseudo_palette))[rect->color];
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break;
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}
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CRITBEGIN
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XGI310SetupForSolidFill(col, myrops[rect->rop], 0);
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XGI310SubsequentSolidFillRect(rect->dx, rect->dy, rect->width, rect->height);
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CRITEND
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XGI310Sync();
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}
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void fbcon_XGI_copyarea(struct fb_info *info, const struct fb_copyarea *area)
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{
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int xdir, ydir;
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CRITFLAGS
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if(!XGIfb_accel) {
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cfb_copyarea(info, area);
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return;
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}
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if(!area->width || !area->height)
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return;
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if(area->sx < area->dx) xdir = 0;
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else xdir = 1;
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if(area->sy < area->dy) ydir = 0;
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else ydir = 1;
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CRITBEGIN
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XGI310SetupForScreenToScreenCopy(xdir, ydir, 3, 0, -1);
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XGI310SubsequentScreenToScreenCopy(area->sx, area->sy, area->dx, area->dy, area->width, area->height);
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CRITEND
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XGI310Sync();
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}
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#endif
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#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,33) /* ------ KERNEL <2.5.34 ------ */
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void fbcon_XGI_bmove(struct display *p, int srcy, int srcx,
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int dsty, int dstx, int height, int width)
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{
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int xdir, ydir;
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CRITFLAGS
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if(!xgi_video_info.accel) {
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switch(xgi_video_info.video_bpp) {
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case 8:
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#ifdef FBCON_HAS_CFB8
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fbcon_cfb8_bmove(p, srcy, srcx, dsty, dstx, height, width);
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#endif
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break;
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case 16:
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#ifdef FBCON_HAS_CFB16
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fbcon_cfb16_bmove(p, srcy, srcx, dsty, dstx, height, width);
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#endif
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break;
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case 32:
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#ifdef FBCON_HAS_CFB32
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fbcon_cfb32_bmove(p, srcy, srcx, dsty, dstx, height, width);
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#endif
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break;
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}
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return;
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}
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srcx *= fontwidth(p);
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srcy *= fontheight(p);
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dstx *= fontwidth(p);
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dsty *= fontheight(p);
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width *= fontwidth(p);
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height *= fontheight(p);
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if(srcx < dstx) xdir = 0;
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else xdir = 1;
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if(srcy < dsty) ydir = 0;
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else ydir = 1;
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CRITBEGIN
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XGI310SetupForScreenToScreenCopy(xdir, ydir, 3, 0, -1);
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XGI310SubsequentScreenToScreenCopy(srcx, srcy, dstx, dsty, width, height);
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CRITEND
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XGI310Sync();
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#if 0
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printk(KERN_INFO "XGI_bmove sx %d sy %d dx %d dy %d w %d h %d\n",
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srcx, srcy, dstx, dsty, width, height);
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#endif
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}
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static void fbcon_XGI_clear(struct vc_data *conp, struct display *p,
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int srcy, int srcx, int height, int width, int color)
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{
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CRITFLAGS
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srcx *= fontwidth(p);
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srcy *= fontheight(p);
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width *= fontwidth(p);
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height *= fontheight(p);
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CRITBEGIN
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XGI310SetupForSolidFill(color, 3, 0);
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XGI310SubsequentSolidFillRect(srcx, srcy, width, height);
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CRITEND
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XGI310Sync();
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}
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void fbcon_XGI_clear8(struct vc_data *conp, struct display *p,
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int srcy, int srcx, int height, int width)
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{
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u32 bgx;
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if(!xgi_video_info.accel) {
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#ifdef FBCON_HAS_CFB8
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fbcon_cfb8_clear(conp, p, srcy, srcx, height, width);
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#endif
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return;
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}
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bgx = attr_bgcol_ec(p, conp);
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fbcon_XGI_clear(conp, p, srcy, srcx, height, width, bgx);
|
|
}
|
|
|
|
void fbcon_XGI_clear16(struct vc_data *conp, struct display *p,
|
|
int srcy, int srcx, int height, int width)
|
|
{
|
|
u32 bgx;
|
|
if(!xgi_video_info.accel) {
|
|
#ifdef FBCON_HAS_CFB16
|
|
fbcon_cfb16_clear(conp, p, srcy, srcx, height, width);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
bgx = ((u_int16_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)];
|
|
fbcon_XGI_clear(conp, p, srcy, srcx, height, width, bgx);
|
|
}
|
|
|
|
void fbcon_XGI_clear32(struct vc_data *conp, struct display *p,
|
|
int srcy, int srcx, int height, int width)
|
|
{
|
|
u32 bgx;
|
|
|
|
if(!xgi_video_info.accel) {
|
|
#ifdef FBCON_HAS_CFB32
|
|
fbcon_cfb32_clear(conp, p, srcy, srcx, height, width);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
bgx = ((u_int32_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)];
|
|
fbcon_XGI_clear(conp, p, srcy, srcx, height, width, bgx);
|
|
}
|
|
|
|
void fbcon_XGI_revc(struct display *p, int srcx, int srcy)
|
|
{
|
|
CRITFLAGS
|
|
|
|
if(!xgi_video_info.accel) {
|
|
switch(xgi_video_info.video_bpp) {
|
|
case 16:
|
|
#ifdef FBCON_HAS_CFB16
|
|
fbcon_cfb16_revc(p, srcx, srcy);
|
|
#endif
|
|
break;
|
|
case 32:
|
|
#ifdef FBCON_HAS_CFB32
|
|
fbcon_cfb32_revc(p, srcx, srcy);
|
|
#endif
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
srcx *= fontwidth(p);
|
|
srcy *= fontheight(p);
|
|
|
|
|
|
CRITBEGIN
|
|
XGI310SetupForSolidFill(0, 0x0a, 0);
|
|
XGI310SubsequentSolidFillRect(srcx, srcy, fontwidth(p), fontheight(p));
|
|
CRITEND
|
|
XGI310Sync();
|
|
|
|
}
|
|
|
|
#ifdef FBCON_HAS_CFB8
|
|
struct display_switch fbcon_XGI8 = {
|
|
setup: fbcon_cfb8_setup,
|
|
bmove: fbcon_XGI_bmove,
|
|
clear: fbcon_XGI_clear8,
|
|
putc: fbcon_cfb8_putc,
|
|
putcs: fbcon_cfb8_putcs,
|
|
revc: fbcon_cfb8_revc,
|
|
clear_margins: fbcon_cfb8_clear_margins,
|
|
fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
|
|
};
|
|
#endif
|
|
#ifdef FBCON_HAS_CFB16
|
|
struct display_switch fbcon_XGI16 = {
|
|
setup: fbcon_cfb16_setup,
|
|
bmove: fbcon_XGI_bmove,
|
|
clear: fbcon_XGI_clear16,
|
|
putc: fbcon_cfb16_putc,
|
|
putcs: fbcon_cfb16_putcs,
|
|
revc: fbcon_XGI_revc,
|
|
clear_margins: fbcon_cfb16_clear_margins,
|
|
fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
|
|
};
|
|
#endif
|
|
#ifdef FBCON_HAS_CFB32
|
|
struct display_switch fbcon_XGI32 = {
|
|
setup: fbcon_cfb32_setup,
|
|
bmove: fbcon_XGI_bmove,
|
|
clear: fbcon_XGI_clear32,
|
|
putc: fbcon_cfb32_putc,
|
|
putcs: fbcon_cfb32_putcs,
|
|
revc: fbcon_XGI_revc,
|
|
clear_margins: fbcon_cfb32_clear_margins,
|
|
fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
|
|
};
|
|
#endif
|
|
|
|
#endif /* KERNEL VERSION */
|
|
|
|
|