mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
2dc350283d
Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Thomas Winischhofer <thomas@winischhofer.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
400 lines
12 KiB
C
400 lines
12 KiB
C
/*
|
|
* 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
|