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

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * SiS 300/540/630[S]/730[S]
 * SiS 315[E|PRO]/550/[M]65x/[M]66x[F|M|G]X/[M]74x[GX]/330/[M]76x[GX]
 * XGI V3XT/V5/V8, Z7
 * frame buffer driver for Linux kernels >= 2.4.14 and >=2.6.3
 *
 * Linux kernel specific extensions to init.c/init301.c
 *
 * Copyright (C) 2001-2005 Thomas Winischhofer, Vienna, Austria.
 *
 * Author:	Thomas Winischhofer <[email protected]>
 */

#include "initdef.h"
#include "vgatypes.h"
#include "vstruct.h"

#include <linux/types.h>
#include <linux/fb.h>

int		sisfb_mode_rate_to_dclock(struct SiS_Private *SiS_Pr,
			unsigned char modeno, unsigned char rateindex);
int		sisfb_mode_rate_to_ddata(struct SiS_Private *SiS_Pr, unsigned char modeno,
			unsigned char rateindex, struct fb_var_screeninfo *var);
bool		sisfb_gettotalfrommode(struct SiS_Private *SiS_Pr, unsigned char modeno,
			int *htotal, int *vtotal, unsigned char rateindex);

extern bool	SiSInitPtr(struct SiS_Private *SiS_Pr);
extern bool	SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo,
			unsigned short *ModeIdIndex);
extern void	SiS_Generic_ConvertCRData(struct SiS_Private *SiS_Pr, unsigned char *crdata,
			int xres, int yres, struct fb_var_screeninfo *var, bool writeres);

int
sisfb_mode_rate_to_dclock(struct SiS_Private *SiS_Pr, unsigned char modeno,
			unsigned char rateindex)
{ … }

int
sisfb_mode_rate_to_ddata(struct SiS_Private *SiS_Pr, unsigned char modeno,
			unsigned char rateindex, struct fb_var_screeninfo *var)
{ … }

bool
sisfb_gettotalfrommode(struct SiS_Private *SiS_Pr, unsigned char modeno, int *htotal,
			int *vtotal, unsigned char rateindex)
{ … }