/* 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 <[email protected]>: * (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 … #define CRITEND … #define CRITFLAGS … #else #define CRITBEGIN #define CRITEND #define CRITFLAGS #endif /* Definitions for the SIS engine communication. */ #define PATREGSIZE … #define BR(x) … #define PBR(x) … /* SiS300 engine commands */ #define BITBLT … #define COLOREXP … #define ENCOLOREXP … #define MULTIPLE_SCANLINE … #define LINE … #define TRAPAZOID_FILL … #define TRANSPARENT_BITBLT … /* Additional engine commands for 315 */ #define ALPHA_BLEND … #define A3D_FUNCTION … #define CLEAR_Z_BUFFER … #define GRADIENT_FILL … /* source select */ #define SRCVIDEO … #define SRCSYSTEM … #define SRCCPUBLITBUF … #define SRCAGP … /* Pattern flags */ #define PATFG … #define PATPATREG … #define PATMONO … /* blitting direction (300 series only) */ #define X_INC … #define X_DEC … #define Y_INC … #define Y_DEC … /* Clipping flags */ #define NOCLIP … #define NOMERGECLIP … #define CLIPENABLE … #define CLIPWITHOUTMERGE … /* Transparency */ #define OPAQUE … #define TRANSPARENT … /* ? */ #define DSTAGP … #define DSTVIDEO … /* Subfunctions for Color/Enhanced Color Expansion (315 only) */ #define COLOR_TO_MONO … #define AA_TEXT … /* Some general registers for 315 series */ #define SRC_ADDR … #define SRC_PITCH … #define AGP_BASE … #define SRC_Y … #define SRC_X … #define DST_Y … #define DST_X … #define DST_ADDR … #define DST_PITCH … #define DST_HEIGHT … #define RECT_WIDTH … #define RECT_HEIGHT … #define PAT_FGCOLOR … #define PAT_BGCOLOR … #define SRC_FGCOLOR … #define SRC_BGCOLOR … #define MONO_MASK … #define LEFT_CLIP … #define TOP_CLIP … #define RIGHT_CLIP … #define BOTTOM_CLIP … #define COMMAND_READY … #define FIRE_TRIGGER … #define PATTERN_REG … /* Transparent bitblit registers */ #define TRANS_DST_KEY_HIGH … #define TRANS_DST_KEY_LOW … #define TRANS_SRC_KEY_HIGH … #define TRANS_SRC_KEY_LOW … /* Store queue length in par */ #define CmdQueLen … /* ------------- 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 … /* (do three times, because 2D engine seems quite unsure about whether or not it's idle) */ #define SiS300SetupSRCBase(base) … #define SiS300SetupSRCPitch(pitch) … #define SiS300SetupSRCXY(x,y) … #define SiS300SetupDSTBase(base) … #define SiS300SetupDSTXY(x,y) … #define SiS300SetupDSTRect(x,y) … #define SiS300SetupDSTColorDepth(bpp) … #define SiS300SetupRect(w,h) … #define SiS300SetupPATFG(color) … #define SiS300SetupPATBG(color) … #define SiS300SetupSRCFG(color) … #define SiS300SetupSRCBG(color) … /* 0x8224 src colorkey high */ /* 0x8228 src colorkey low */ /* 0x821c dest colorkey high */ /* 0x8220 dest colorkey low */ #define SiS300SetupSRCTrans(color) … #define SiS300SetupDSTTrans(color) … #define SiS300SetupMONOPAT(p0,p1) … #define SiS300SetupClipLT(left,top) … #define SiS300SetupClipRB(right,bottom) … /* General */ #define SiS300SetupROP(rop) … #define SiS300SetupCMDFlag(flags) … #define SiS300DoCMD … /* -------------- 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 … #define SiS310SetupSRCBase(base) … #define SiS310SetupSRCPitch(pitch) … #define SiS310SetupSRCXY(x,y) … #define SiS310SetupDSTBase(base) … #define SiS310SetupDSTXY(x,y) … #define SiS310SetupDSTRect(x,y) … #define SiS310SetupDSTColorDepth(bpp) … #define SiS310SetupRect(w,h) … #define SiS310SetupPATFG(color) … #define SiS310SetupPATBG(color) … #define SiS310SetupSRCFG(color) … #define SiS310SetupSRCBG(color) … #define SiS310SetupSRCTrans(color) … #define SiS310SetupDSTTrans(color) … #define SiS310SetupMONOPAT(p0,p1) … #define SiS310SetupClipLT(left,top) … #define SiS310SetupClipRB(right,bottom) … #define SiS310SetupROP(rop) … #define SiS310SetupCMDFlag(flags) … #define SiS310DoCMD … 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
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