/* * 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 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the named License, * or any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA * * Based on the X driver's sis300_accel.h which is *     Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria * and sis310_accel.h which is *     Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria * * Author:   Thomas Winischhofer <thomas@winischhofer.net>: *			(see http://www.winischhofer.net/ *			for more information and updates) */#ifndef _SISFB_ACCEL_H#define _SISFB_ACCEL_H/* Guard accelerator accesses with spin_lock_irqsave? Works well without. */#undef SISFB_USE_SPINLOCKS#ifdef SISFB_USE_SPINLOCKS#include <linux/spinlock.h>#define CRITBEGIN  spin_lock_irqsave(&ivideo->lockaccel, critflags);#define CRITEND	   spin_unlock_irqrestore(&ivideo->lockaccel, critflags);#define CRITFLAGS  unsigned long critflags;#else#define CRITBEGIN#define CRITEND#define CRITFLAGS#endif/* Definitions for the SIS engine communication. */#define PATREGSIZE      384  /* Pattern register size. 384 bytes @ 0x8300 */#define BR(x)   (0x8200 | (x) << 2)#define PBR(x)  (0x8300 | (x) << 2)/* SiS300 engine commands */#define BITBLT                  0x00000000  /* Blit */#define COLOREXP                0x00000001  /* Color expand */#define ENCOLOREXP              0x00000002  /* Enhanced color expand */#define MULTIPLE_SCANLINE       0x00000003  /* ? */#define LINE                    0x00000004  /* Draw line */#define TRAPAZOID_FILL          0x00000005  /* Fill trapezoid */#define TRANSPARENT_BITBLT      0x00000006  /* Transparent Blit *//* Additional engine commands for 315 */#define ALPHA_BLEND		0x00000007  /* Alpha blend ? */#define A3D_FUNCTION		0x00000008  /* 3D command ? */#define	CLEAR_Z_BUFFER		0x00000009  /* ? */#define GRADIENT_FILL		0x0000000A  /* Gradient fill *//* source select */#define SRCVIDEO                0x00000000  /* source is video RAM */#define SRCSYSTEM               0x00000010  /* source is system memory */#define SRCCPUBLITBUF           SRCSYSTEM   /* source is CPU-driven BitBuffer (for color expand) */#define SRCAGP                  0x00000020  /* source is AGP memory (?) *//* Pattern flags */#define PATFG                   0x00000000  /* foreground color */#define PATPATREG               0x00000040  /* pattern in pattern buffer (0x8300) */#define PATMONO                 0x00000080  /* mono pattern *//* blitting direction (300 series only) */#define X_INC                   0x00010000#define X_DEC                   0x00000000#define Y_INC                   0x00020000#define Y_DEC                   0x00000000/* Clipping flags */#define NOCLIP                  0x00000000#define NOMERGECLIP             0x04000000#define CLIPENABLE              0x00040000#define CLIPWITHOUTMERGE        0x04040000/* Transparency */#define OPAQUE                  0x00000000#define TRANSPARENT             0x00100000/* ? */#define DSTAGP                  0x02000000#define DSTVIDEO                0x02000000/* Subfunctions for Color/Enhanced Color Expansion (315 only) */#define COLOR_TO_MONO		0x00100000#define AA_TEXT			0x00200000/* Some general registers for 315 series */#define SRC_ADDR		0x8200#define SRC_PITCH		0x8204#define AGP_BASE		0x8206 /* color-depth dependent value */#define SRC_Y			0x8208#define SRC_X			0x820A#define DST_Y			0x820C#define DST_X			0x820E#define DST_ADDR		0x8210#define DST_PITCH		0x8214#define DST_HEIGHT		0x8216#define RECT_WIDTH		0x8218#define RECT_HEIGHT		0x821A#define PAT_FGCOLOR		0x821C#define PAT_BGCOLOR		0x8220#define SRC_FGCOLOR		0x8224#define SRC_BGCOLOR		0x8228#define MONO_MASK		0x822C#define LEFT_CLIP		0x8234#define TOP_CLIP		0x8236#define RIGHT_CLIP		0x8238#define BOTTOM_CLIP		0x823A#define COMMAND_READY		0x823C#define FIRE_TRIGGER      	0x8240#define PATTERN_REG		0x8300  /* 384 bytes pattern buffer *//* Transparent bitblit registers */#define TRANS_DST_KEY_HIGH	PAT_FGCOLOR#define TRANS_DST_KEY_LOW	PAT_BGCOLOR#define TRANS_SRC_KEY_HIGH	SRC_FGCOLOR#define TRANS_SRC_KEY_LOW	SRC_BGCOLOR/* Store queue length in par */#define CmdQueLen ivideo->cmdqueuelength/* ------------- SiS 300 series -------------- *//* BR(16) (0x8240):   bit 31 2D engine: 1 is idle,   bit 30 3D engine: 1 is idle,   bit 29 Command queue: 1 is empty   bits 28:24: Current CPU driven BitBlt buffer stage bit[4:0]   bits 15:0:  Current command queue length*/#define SiS300Idle \  { \  	while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \  	while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \  	while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \  	CmdQueLen = MMIO_IN16(ivideo->mmio_vbase, 0x8240); \  }/* (do three times, because 2D engine seems quite unsure about whether or not it's idle) */#define SiS300SetupSRCBase(base) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(0), base);\	CmdQueLen--;#define SiS300SetupSRCPitch(pitch) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT16(ivideo->mmio_vbase, BR(1), pitch);\	CmdQueLen--;#define SiS300SetupSRCXY(x,y) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(2), (x)<<16 | (y) );\	CmdQueLen--;#define SiS300SetupDSTBase(base) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(4), base);\	CmdQueLen--;#define SiS300SetupDSTXY(x,y) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(3), (x)<<16 | (y) );\	CmdQueLen--;#define SiS300SetupDSTRect(x,y) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(5), (y)<<16 | (x) );\	CmdQueLen--;#define SiS300SetupDSTColorDepth(bpp) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT16(ivideo->mmio_vbase, BR(1)+2, bpp);\	CmdQueLen--;#define SiS300SetupRect(w,h) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(6), (h)<<16 | (w) );\	CmdQueLen--;#define SiS300SetupPATFG(color) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(7), color);\	CmdQueLen--;#define SiS300SetupPATBG(color) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(8), color);\	CmdQueLen--;#define SiS300SetupSRCFG(color) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(9), color);\	CmdQueLen--;#define SiS300SetupSRCBG(color) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(10), color);\	CmdQueLen--;/* 0x8224 src colorkey high *//* 0x8228 src colorkey low *//* 0x821c dest colorkey high *//* 0x8220 dest colorkey low */#define SiS300SetupSRCTrans(color) \	if(CmdQueLen <= 1) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, 0x8224, color);\	MMIO_OUT32(ivideo->mmio_vbase, 0x8228, color);\	CmdQueLen -= 2;#define SiS300SetupDSTTrans(color) \	if(CmdQueLen <= 1) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, 0x821C, color); \	MMIO_OUT32(ivideo->mmio_vbase, 0x8220, color); \	CmdQueLen -= 2;#define SiS300SetupMONOPAT(p0,p1) \	if(CmdQueLen <= 1) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(11), p0);\	MMIO_OUT32(ivideo->mmio_vbase, BR(12), p1);\	CmdQueLen -= 2;#define SiS300SetupClipLT(left,top) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(13), ((left) & 0xFFFF) | (top)<<16 );\	CmdQueLen--;#define SiS300SetupClipRB(right,bottom) \	if(CmdQueLen <= 0) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(14), ((right) & 0xFFFF) | (bottom)<<16 );\	CmdQueLen--;/* General */#define SiS300SetupROP(rop) \	ivideo->CommandReg = (rop) << 8;#define SiS300SetupCMDFlag(flags) \	ivideo->CommandReg |= (flags);#define SiS300DoCMD \	if(CmdQueLen <= 1) SiS300Idle;\	MMIO_OUT32(ivideo->mmio_vbase, BR(15), ivideo->CommandReg); \	MMIO_OUT32(ivideo->mmio_vbase, BR(16), 0);\	CmdQueLen -= 2;/* -------------- SiS 315/330 series --------------- *//* Q_STATUS:   bit 31 = 1: All engines idle and all queues empty   bit 30 = 1: Hardware Queue (=HW CQ, 2D queue, 3D queue) empty   bit 29 = 1: 2D engine is idle   bit 28 = 1: 3D engine is idle   bit 27 = 1: HW command queue empty   bit 26 = 1: 2D queue empty   bit 25 = 1: 3D queue empty   bit 24 = 1: SW command queue empty   bits 23:16: 2D counter 3   bits 15:8:  2D counter 2   bits 7:0:   2D counter 1*/#define SiS310Idle \  { \  	while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \  	while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \	while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \  	while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \  	CmdQueLen = 0; \  }#define SiS310SetupSRCBase(base) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, SRC_ADDR, base);\	CmdQueLen--;#define SiS310SetupSRCPitch(pitch) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT16(ivideo->mmio_vbase, SRC_PITCH, pitch);\	CmdQueLen--;#define SiS310SetupSRCXY(x,y) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, SRC_Y, (x)<<16 | (y) );\	CmdQueLen--;#define SiS310SetupDSTBase(base) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, DST_ADDR, base);\	CmdQueLen--;#define SiS310SetupDSTXY(x,y) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, DST_Y, (x)<<16 | (y) );\	CmdQueLen--;#define SiS310SetupDSTRect(x,y) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, DST_PITCH, (y)<<16 | (x) );\	CmdQueLen--;#define SiS310SetupDSTColorDepth(bpp) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT16(ivideo->mmio_vbase, AGP_BASE, bpp);\	CmdQueLen--;#define SiS310SetupRect(w,h) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, RECT_WIDTH, (h)<<16 | (w) );\	CmdQueLen--;#define SiS310SetupPATFG(color) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, PAT_FGCOLOR, color);\	CmdQueLen--;#define SiS310SetupPATBG(color) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, PAT_BGCOLOR, color);\	CmdQueLen--;#define SiS310SetupSRCFG(color) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, SRC_FGCOLOR, color);\	CmdQueLen--;#define SiS310SetupSRCBG(color) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, SRC_BGCOLOR, color);\	CmdQueLen--;#define SiS310SetupSRCTrans(color) \	if(CmdQueLen <= 1) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_HIGH, color);\	MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_LOW, color);\	CmdQueLen -= 2;#define SiS310SetupDSTTrans(color) \	if(CmdQueLen <= 1) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_HIGH, color); \	MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_LOW, color); \	CmdQueLen -= 2;#define SiS310SetupMONOPAT(p0,p1) \	if(CmdQueLen <= 1) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK, p0);\	MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK+4, p1);\	CmdQueLen -= 2;#define SiS310SetupClipLT(left,top) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, LEFT_CLIP, ((left) & 0xFFFF) | (top)<<16 );\	CmdQueLen--;#define SiS310SetupClipRB(right,bottom) \	if(CmdQueLen <= 0) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, RIGHT_CLIP, ((right) & 0xFFFF) | (bottom)<<16 );\	CmdQueLen--;#define SiS310SetupROP(rop) \	ivideo->CommandReg = (rop) << 8;#define SiS310SetupCMDFlag(flags) \	ivideo->CommandReg |= (flags);#define SiS310DoCMD \	if(CmdQueLen <= 1) SiS310Idle;\	MMIO_OUT32(ivideo->mmio_vbase, COMMAND_READY, ivideo->CommandReg); \	MMIO_OUT32(ivideo->mmio_vbase, FIRE_TRIGGER, 0); \	CmdQueLen -= 2;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);#endif