| /* 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 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 |
