drivers/staging/xgifb/XGI_accel.c

/*
 * 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;
}