linux/drivers/video/fbdev/sis/sis_accel.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * SiS 300/540/630[S]/730[S],
 * SiS 315[E|PRO]/550/[M]650/651/[M]661[F|M]X/740/[M]741[GX]/330/[M]760[GX],
 * XGI V3XT/V5/V8, Z7
 * frame buffer driver for Linux kernels >= 2.4.14 and >=2.6.3
 *
 * 2D acceleration part
 *
 * Based on the XFree86/X.org driver which is
 *     Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria
 *
 * Author: Thomas Winischhofer <[email protected]>
 *			(see http://www.winischhofer.net/
 *			for more information and updates)
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/types.h>
#include <asm/io.h>

#include "sis.h"
#include "sis_accel.h"

static const u8 sisALUConv[] = …;
/* same ROP but with Pattern as Source */
static const u8 sisPatALUConv[] = …;

static const int myrops[] = …;

/* 300 series ----------------------------------------------------- */
#ifdef CONFIG_FB_SIS_300
static void
SiS300Sync(struct sis_video_info *ivideo)
{ … }

static void
SiS300SetupForScreenToScreenCopy(struct sis_video_info *ivideo, int xdir, int ydir,
                                 int rop, int trans_color)
{ … }

static void
SiS300SubsequentScreenToScreenCopy(struct sis_video_info *ivideo, int src_x,
				   int src_y, int dst_x, int dst_y, int width, int height)
{ … }

static void
SiS300SetupForSolidFill(struct sis_video_info *ivideo, u32 color, int rop)
{ … }

static void
SiS300SubsequentSolidFillRect(struct sis_video_info *ivideo, int x, int y, int w, int h)
{ … }
#endif

/* 315/330/340 series ---------------------------------------------- */

#ifdef CONFIG_FB_SIS_315
static void
SiS310Sync(struct sis_video_info *ivideo)
{ … }

static void
SiS310SetupForScreenToScreenCopy(struct sis_video_info *ivideo, int rop, int trans_color)
{ … }

static void
SiS310SubsequentScreenToScreenCopy(struct sis_video_info *ivideo, int src_x, int src_y,
			 int dst_x, int dst_y, int width, int height)
{ … }

static void
SiS310SetupForSolidFill(struct sis_video_info *ivideo, u32 color, int rop)
{ … }

static void
SiS310SubsequentSolidFillRect(struct sis_video_info *ivideo, int x, int y, int w, int h)
{ … }
#endif

/* --------------------------------------------------------------------- */

/* The exported routines */

int sisfb_initaccel(struct sis_video_info *ivideo)
{ … }

void sisfb_syncaccel(struct sis_video_info *ivideo)
{ … }

int fbcon_sis_sync(struct fb_info *info)
{ … }

void fbcon_sis_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{ … }

void fbcon_sis_copyarea(struct fb_info *info, const struct fb_copyarea *area)
{ … }