sis_accel.h
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上传日期:2013-04-10
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- /*
- * SiS 300/630/730/540/315/550/650/740 frame buffer driver
- * for Linux kernels 2.4.x and 2.5.x
- *
- * 2D acceleration part
- *
- * Based on the X driver's sis300_accel.h which is
- * Copyright Xavier Ducoin <x.ducoin@lectra.com>
- * Copyright 2002 by Thomas Winischhofer, Vienna, Austria
- * and sis310_accel.h which is
- * Copyright 2002 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 310/325 */
- #define ALPHA_BLEND 0x00000007 /* Alpha blend ? */
- #define A3D_FUNCTION 0x00000008 /* 3D command ? */
- #define CLEAR_Z_BUFFER 0x00000009 /* ? */
- #define GRADIENT_FILL 0x0000000A /* Gradient fill */
- #define STRETCH_BITBLT 0x0000000B /* Stretched Blit */
- /* 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
- /* Line */
- #define LINE_STYLE 0x00800000
- #define NO_RESET_COUNTER 0x00400000
- #define NO_LAST_PIXEL 0x00200000
- /* Subfunctions for Color/Enhanced Color Expansion (310/325 only) */
- #define COLOR_TO_MONO 0x00100000
- #define AA_TEXT 0x00200000
- /* Some general registers for 310/325 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 */
- /* Line registers */
- #define LINE_X0 SRC_Y
- #define LINE_X1 DST_Y
- #define LINE_Y0 SRC_X
- #define LINE_Y1 DST_X
- #define LINE_COUNT RECT_WIDTH
- #define LINE_STYLE_PERIOD RECT_HEIGHT
- #define LINE_STYLE_0 MONO_MASK
- #define LINE_STYLE_1 0x8230
- #define LINE_XN PATTERN_REG
- #define LINE_YN PATTERN_REG+2
- /* 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
- /* Queue */
- #define Q_BASE_ADDR 0x85C0 /* Base address of software queue (?) */
- #define Q_WRITE_PTR 0x85C4 /* Current write pointer (?) */
- #define Q_READ_PTR 0x85C8 /* Current read pointer (?) */
- #define Q_STATUS 0x85CC /* queue status */
- #define MMIO_IN8(base, offset)
- *(volatile u8 *)(((u8*)(base)) + (offset))
- #define MMIO_IN16(base, offset)
- *(volatile u16 *)(void *)(((u8*)(base)) + (offset))
- #define MMIO_IN32(base, offset)
- *(volatile u32 *)(void *)(((u8*)(base)) + (offset))
- #define MMIO_OUT8(base, offset, val)
- *(volatile u8 *)(((u8*)(base)) + (offset)) = (val)
- #define MMIO_OUT16(base, offset, val)
- *(volatile u16 *)(void *)(((u8*)(base)) + (offset)) = (val)
- #define MMIO_OUT32(base, offset, val)
- *(volatile u32 *)(void *)(((u8*)(base)) + (offset)) = (val)
- /* ------------- SiS 300 series -------------- */
- /* Macros to do useful things with the SIS BitBLT engine */
- /* BR(16) (0x8420):
- 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
- */
- /* TW: BR(16)+2 = 0x8242 */
- int CmdQueLen;
- #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);
- }
- /* TW: (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;
- /* Line */
- #define SiS300SetupX0Y0(x,y)
- if (CmdQueLen <= 0) SiS300Idle;
- MMIO_OUT32(ivideo.mmio_vbase, BR(2), (y)<<16 | (x) );
- CmdQueLen--;
- #define SiS300SetupX1Y1(x,y)
- if (CmdQueLen <= 0) SiS300Idle;
- MMIO_OUT32(ivideo.mmio_vbase, BR(3), (y)<<16 | (x) );
- CmdQueLen--;
- #define SiS300SetupLineCount(c)
- if (CmdQueLen <= 0) SiS300Idle;
- MMIO_OUT16(ivideo.mmio_vbase, BR(6), c);
- CmdQueLen--;
- #define SiS300SetupStylePeriod(p)
- if (CmdQueLen <= 0) SiS300Idle;
- MMIO_OUT16(ivideo.mmio_vbase, BR(6)+2, p);
- CmdQueLen--;
- #define SiS300SetupStyleLow(ls)
- if (CmdQueLen <= 0) SiS300Idle;
- MMIO_OUT32(ivideo.mmio_vbase, BR(11), ls);
- CmdQueLen--;
- #define SiS300SetupStyleHigh(ls)
- if (CmdQueLen <= 0) SiS300Idle;
- MMIO_OUT32(ivideo.mmio_vbase, BR(12), ls);
- CmdQueLen--;
- /* ----------- SiS 310/325 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
- Where is the command queue length (current amount of commands the queue
- can accept) on the 310/325 series? (The current implementation is taken
- from 300 series and certainly wrong...)
- */
- /* TW: FIXME: CmdQueLen is... where....? */
- #define SiS310Idle
- {
- while( (MMIO_IN16(ivideo.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){};
- while( (MMIO_IN16(ivideo.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){};
- CmdQueLen=MMIO_IN16(ivideo.mmio_vbase, Q_STATUS);
- }
- #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;
- #define SiS310SetupX0Y0(x,y)
- if (CmdQueLen <= 0) SiS310Idle;
- MMIO_OUT32(ivideo.mmio_vbase, LINE_X0, (y)<<16 | (x) );
- CmdQueLen--;
- #define SiS310SetupX1Y1(x,y)
- if (CmdQueLen <= 0) SiS310Idle;
- MMIO_OUT32(ivideo.mmio_vbase, LINE_X1, (y)<<16 | (x) );
- CmdQueLen--;
- #define SiS310SetupLineCount(c)
- if (CmdQueLen <= 0) SiS310Idle;
- MMIO_OUT16(ivideo.mmio_vbase, LINE_COUNT, c);
- CmdQueLen--;
- #define SiS310SetupStylePeriod(p)
- if (CmdQueLen <= 0) SiS310Idle;
- MMIO_OUT16(ivideo.mmio_vbase, LINE_STYLE_PERIOD, p);
- CmdQueLen--;
- #define SiS310SetupStyleLow(ls)
- if (CmdQueLen <= 0) SiS310Idle;
- MMIO_OUT32(ivideo.mmio_vbase, LINE_STYLE_0, ls);
- CmdQueLen--;
- #define SiS310SetupStyleHigh(ls)
- if (CmdQueLen <= 0) SiS310Idle;
- MMIO_OUT32(ivideo.mmio_vbase, LINE_STYLE_1, ls);
- CmdQueLen--;
- int sisfb_initaccel(void);
- #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,33)
- void fbcon_sis_bmove(struct display *p, int srcy, int srcx, int dsty,
- int dstx, int height, int width);
- void fbcon_sis_revc(struct display *p, int srcy, int srcx);
- void fbcon_sis_clear8(struct vc_data *conp, struct display *p, int srcy,
- int srcx, int height, int width);
- void fbcon_sis_clear16(struct vc_data *conp, struct display *p, int srcy,
- int srcx, int height, int width);
- void fbcon_sis_clear32(struct vc_data *conp, struct display *p, int srcy,
- int srcx, int height, int width);
- #endif
- #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34)
- extern int sisfb_accel;
- void fbcon_sis_fillrect(struct fb_info *info, struct fb_fillrect *rect);
- void fbcon_sis_copyarea(struct fb_info *info, struct fb_copyarea *area);
- extern void cfb_fillrect(struct fb_info *info, struct fb_fillrect *rect);
- extern void cfb_copyarea(struct fb_info *info, struct fb_copyarea *area);
- #endif
- #endif