libfbx-3dfx.h

libfxb是linux下只写操作framebuffer的一个轻量级的库。

/*
 *  libfbx-3dfx.h -- Primary header for 3dfx optimizations
 *  (C)opyright 2001 U4X Labs
 *
 *  Written by: Michael Bourgeous <[e-mail]>
 * 
 *  $Id: libfbx-3dfx.h,v 1.17 2001/03/03 01:34:43 lethal Exp $
 *
 *  	This is the place for all the declarations of 3dfx hardware
 *  specific optimizations for the libfbx system go.
 *
 *  See ChangeLog for modifications, CREDITS for credits.
 *
 *  All source herein is copyright U4X Labs and its original author. 
 *  Any code modifications or additions are (C)opyright the original 
 *  author and U4X Labs respectively.
 *
 *  libfbx is free software; you can redistribute it and/or modify it 
 *  under the terms of the GNU Lesser General Public License as 
 *  published by the Free Software Foundation; either version 2.1 of 
 *  the License, or (at your option) any later version.
 *
 *  libfbx is distributed in the hope that it will be useful, but 
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with libfbx; if not, write to the Free Software 
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA
 */
#ifndef __LIBFBX_3DFX_H
#define __LIBFBX_3DFX_H

#include <libfbx/libfbx-drivers.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* membase0 register offsets */
#define STATUS		0x00
#define PCIINIT0	0x04
#define SIPMONITOR	0x08
#define LFBMEMORYCONFIG	0x0c
#define MISCINIT0	0x10
#define MISCINIT1	0x14
#define DRAMINIT0	0x18
#define DRAMINIT1	0x1c
#define AGPINIT		0x20
#define TMUGBEINIT	0x24
#define VGAINIT0	0x28
#define VGAINIT1	0x2c
#define DRAMCOMMAND	0x30
#define DRAMDATA	0x34
/* reserved             0x38 */
/* reserved             0x3c */
#define PLLCTRL0	0x40
#define PLLCTRL1	0x44
#define PLLCTRL2	0x48
#define DACMODE		0x4c
#define DACADDR		0x50
#define DACDATA		0x54
#define RGBMAXDELTA	0x58
#define VIDPROCCFG	0x5c
#define HWCURPATADDR	0x60
#define HWCURLOC	0x64
#define HWCURC0		0x68
#define HWCURC1		0x6c
#define VIDINFORMAT	0x70
#define VIDINSTATUS	0x74
#define VIDSERPARPORT	0x78
#define VIDINXDELTA	0x7c
#define VIDININITERR	0x80
#define VIDINYDELTA	0x84
#define VIDPIXBUFTHOLD	0x88
#define VIDCHRMIN	0x8c
#define VIDCHRMAX	0x90
#define VIDCURLIN	0x94
#define VIDSCREENSIZE	0x98
#define VIDOVRSTARTCRD	0x9c
#define VIDOVRENDCRD	0xa0
#define VIDOVRDUDX	0xa4
#define VIDOVRDUDXOFF	0xa8
#define VIDOVRDVDY	0xac
/*  ... */
#define VIDOVRDVDYOFF	0xe0
#define VIDDESKSTART	0xe4
#define VIDDESKSTRIDE	0xe8
#define VIDINADDR0	0xec
#define VIDINADDR1	0xf0
#define VIDINADDR2	0xf4
#define VIDINSTRIDE	0xf8
#define VIDCUROVRSTART	0xfc

#define INTCTRL		(0x00100000 + 0x04)
#define CLIP0MIN	(0x00100000 + 0x08)
#define CLIP0MAX	(0x00100000 + 0x0c)
#define DSTBASE		(0x00100000 + 0x10)
#define DSTFORMAT	(0x00100000 + 0x14)
#define SRCBASE		(0x00100000 + 0x34)
#define COMMANDEXTRA_2D	(0x00100000 + 0x38)
#define CLIP1MIN	(0x00100000 + 0x4c)
#define CLIP1MAX	(0x00100000 + 0x50)
#define SRCFORMAT	(0x00100000 + 0x54)
#define SRCSIZE		(0x00100000 + 0x58)
#define SRCXY		(0x00100000 + 0x5c)
#define COLORBACK	(0x00100000 + 0x60)
#define COLORFORE	(0x00100000 + 0x64)
#define DSTSIZE		(0x00100000 + 0x68)
#define DSTXY		(0x00100000 + 0x6c)
#define COMMAND_2D	(0x00100000 + 0x70)
#define LAUNCH_2D	(0x00100000 + 0x80)
#define COMMAND_3D	(0x00200000 + 0x120)

/* COMMAND_2D reg. values */
#define ROP_COPY			0xCC	/* dst = src */
#define ROP_INVERT			0x55	/* dst = NOT dst */
#define ROP_XOR				0x66	/* dst = src XOR dst */

#define AUTOINC_DSTX                    BIT(10)
#define AUTOINC_DSTY                    BIT(11)
#define COMMAND_2D_S2S_BLIT		0x01	/* screen to screen */
#define COMMAND_2D_S2S_STRETCH		0x02	/* screen to screen stretch */
#define COMMAND_2D_H2S_BLIT		0x03	/* host to screen */
#define COMMAND_2D_H2S_STRETCH		0x04	/* host to screen stretch */
#define COMMAND_2D_FILLRECT		0x05	/* rectangle fill */
#define COMMAND_2D_LINE                 0x06	/* line */
#define COMMAND_2D_POLYLINE		0x07	/* polygon line */
#define COMMAND_2D_POLYGON_FILL         0x08	/* polygon fill */
#define COMMAND_2D_INITIATE             BIT(8)
#define COMMAND_2D_REVERSELINE          BIT(9)
#define COMMAND_2D_STIPPLELINE          BIT(12)
#define COMMAND_2D_MONOCHROME_PATT      BIT(13)
#define COMMAND_2D_MONOCHROME_TRANSP    BIT(16)



#define COMMAND_3D_NOP			0x00
#define STATUS_RETRACE			BIT(6)
#define STATUS_BUSY			BIT(9)
#define MISCINIT1_CLUT_INV		BIT(0)
#define MISCINIT1_2DBLOCK_DIS		BIT(15)
#define DRAMINIT0_SGRAM_NUM		BIT(26)
#define DRAMINIT0_SGRAM_TYPE		BIT(27)
#define DRAMINIT1_MEM_SDRAM		BIT(30)
#define VGAINIT0_VGA_DISABLE		BIT(0)
#define VGAINIT0_EXT_TIMING		BIT(1)
#define VGAINIT0_8BIT_DAC		BIT(2)
#define VGAINIT0_EXT_ENABLE		BIT(6)
#define VGAINIT0_WAKEUP_3C3		BIT(8)
#define VGAINIT0_LEGACY_DISABLE		BIT(9)
#define VGAINIT0_ALT_READBACK		BIT(10)
#define VGAINIT0_FAST_BLINK		BIT(11)
#define VGAINIT0_EXTSHIFTOUT		BIT(12)
#define VGAINIT0_DECODE_3C6		BIT(13)
#define VGAINIT0_SGRAM_HBLANK_DISABLE	BIT(22)
#define VGAINIT1_MASK			0x1fffff
#define VIDCFG_VIDPROC_ENABLE		BIT(0)
#define VIDCFG_CURS_X11			BIT(1)
#define VIDCFG_HALF_MODE		BIT(4)
#define VIDCFG_DESK_ENABLE		BIT(7)
#define VIDCFG_CLUT_BYPASS		BIT(10)
#define VIDCFG_2X			BIT(26)
#define VIDCFG_HWCURSOR_ENABLE          BIT(27)
#define VIDCFG_PIXFMT_SHIFT		18
#define DACMODE_2X			BIT(0)

/* VGA rubbish, need to change this for multihead support */
#define MISC_W 	0x3c2
#define MISC_R 	0x3cc
#define SEQ_I 	0x3c4
#define SEQ_D	0x3c5
#define CRT_I	0x3d4
#define CRT_D	0x3d5
#define ATT_IW	0x3c0
#define IS1_R	0x3da
#define GRA_I	0x3ce
#define GRA_D	0x3cf

/* libfbx-3dfx.c */
inline void tdfx_blank(int val);
void tdfx_fill_rect(__s32 x1, __s32 y1, __s32 x2, __s32 y2, __s32 r, __s32 g, __s32 b, fb_surface *surface);
void tdfx_line(__s32 x1, __s32 y1, __s32 x2, __s32 y2, __s32 r, __s32 g, __s32 b, fb_surface *surface);
void tdfx_putc(__s32 x, __s32 y, __u32 c);

/* libfbx-3dfx-misc.c */
void seq_outb(__u32 idx, __u8 val);
__u8 seq_inb(__u32 idx);

void tdfx_make_room(int size);
void tdfx_wait_idle();

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __LIBFBX_3DFX_H */