171 lines
		
	
	
		
			5.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			171 lines
		
	
	
		
			5.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
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 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public
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 * License as published by the Free Software Foundation;
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 * either version 2, or (at your option) any later version.
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
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 * the implied warranty of MERCHANTABILITY or FITNESS FOR
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 * A PARTICULAR PURPOSE.See the GNU General Public License
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 * for more details.
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc.,
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 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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 */
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#ifndef __ACCEL_H__
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#define __ACCEL_H__
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#define FB_ACCEL_VIA_UNICHROME  50
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/* MMIO Base Address Definition */
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#define MMIO_VGABASE                0x8000
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#define MMIO_CR_READ                (MMIO_VGABASE + 0x3D4)
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#define MMIO_CR_WRITE               (MMIO_VGABASE + 0x3D5)
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#define MMIO_SR_READ                (MMIO_VGABASE + 0x3C4)
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#define MMIO_SR_WRITE               (MMIO_VGABASE + 0x3C5)
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/* HW Cursor Status Define */
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#define HW_Cursor_ON    0
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#define HW_Cursor_OFF   1
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#define CURSOR_SIZE     (8 * 1024)
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#define VQ_SIZE         (256 * 1024)
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#define VIA_MMIO_BLTBASE        0x200000
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#define VIA_MMIO_BLTSIZE        0x200000
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/* Defines for 2D registers */
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#define VIA_REG_GECMD           0x000
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#define VIA_REG_GEMODE          0x004
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#define VIA_REG_SRCPOS          0x008
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#define VIA_REG_DSTPOS          0x00C
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/* width and height */
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#define VIA_REG_DIMENSION       0x010
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#define VIA_REG_PATADDR         0x014
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#define VIA_REG_FGCOLOR         0x018
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#define VIA_REG_BGCOLOR         0x01C
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/* top and left of clipping */
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#define VIA_REG_CLIPTL          0x020
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/* bottom and right of clipping */
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#define VIA_REG_CLIPBR          0x024
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#define VIA_REG_OFFSET          0x028
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/* color key control */
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#define VIA_REG_KEYCONTROL      0x02C
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#define VIA_REG_SRCBASE         0x030
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#define VIA_REG_DSTBASE         0x034
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/* pitch of src and dst */
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#define VIA_REG_PITCH           0x038
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#define VIA_REG_MONOPAT0        0x03C
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#define VIA_REG_MONOPAT1        0x040
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/* from 0x100 to 0x1ff */
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#define VIA_REG_COLORPAT        0x100
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/* VIA_REG_PITCH(0x38): Pitch Setting */
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#define VIA_PITCH_ENABLE        0x80000000
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/* defines for VIA HW cursor registers */
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#define VIA_REG_CURSOR_MODE     0x2D0
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#define VIA_REG_CURSOR_POS      0x2D4
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#define VIA_REG_CURSOR_ORG      0x2D8
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#define VIA_REG_CURSOR_BG       0x2DC
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#define VIA_REG_CURSOR_FG       0x2E0
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/* VIA_REG_GEMODE(0x04): GE mode */
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#define VIA_GEM_8bpp            0x00000000
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#define VIA_GEM_16bpp           0x00000100
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#define VIA_GEM_32bpp           0x00000300
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/* VIA_REG_GECMD(0x00): 2D Engine Command  */
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#define VIA_GEC_NOOP            0x00000000
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#define VIA_GEC_BLT             0x00000001
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#define VIA_GEC_LINE            0x00000005
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/* Rotate Command */
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#define VIA_GEC_ROT             0x00000008
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#define VIA_GEC_SRC_XY          0x00000000
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#define VIA_GEC_SRC_LINEAR      0x00000010
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#define VIA_GEC_DST_XY          0x00000000
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#define VIA_GEC_DST_LINRAT      0x00000020
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#define VIA_GEC_SRC_FB          0x00000000
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#define VIA_GEC_SRC_SYS         0x00000040
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#define VIA_GEC_DST_FB          0x00000000
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#define VIA_GEC_DST_SYS         0x00000080
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/* source is mono */
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#define VIA_GEC_SRC_MONO        0x00000100
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/* pattern is mono */
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#define VIA_GEC_PAT_MONO        0x00000200
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/* mono src is opaque */
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#define VIA_GEC_MSRC_OPAQUE     0x00000000
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/* mono src is transparent */
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#define VIA_GEC_MSRC_TRANS      0x00000400
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/* pattern is in frame buffer */
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#define VIA_GEC_PAT_FB          0x00000000
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/* pattern is from reg setting */
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#define VIA_GEC_PAT_REG         0x00000800
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#define VIA_GEC_CLIP_DISABLE    0x00000000
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#define VIA_GEC_CLIP_ENABLE     0x00001000
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#define VIA_GEC_FIXCOLOR_PAT    0x00002000
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#define VIA_GEC_INCX            0x00000000
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#define VIA_GEC_DECY            0x00004000
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#define VIA_GEC_INCY            0x00000000
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#define VIA_GEC_DECX            0x00008000
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/* mono pattern is opaque */
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#define VIA_GEC_MPAT_OPAQUE     0x00000000
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/* mono pattern is transparent */
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#define VIA_GEC_MPAT_TRANS      0x00010000
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#define VIA_GEC_MONO_UNPACK     0x00000000
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#define VIA_GEC_MONO_PACK       0x00020000
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#define VIA_GEC_MONO_DWORD      0x00000000
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#define VIA_GEC_MONO_WORD       0x00040000
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#define VIA_GEC_MONO_BYTE       0x00080000
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#define VIA_GEC_LASTPIXEL_ON    0x00000000
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#define VIA_GEC_LASTPIXEL_OFF   0x00100000
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#define VIA_GEC_X_MAJOR         0x00000000
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#define VIA_GEC_Y_MAJOR         0x00200000
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#define VIA_GEC_QUICK_START     0x00800000
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/* defines for VIA 3D registers */
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#define VIA_REG_STATUS          0x400
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#define VIA_REG_CR_TRANSET      0x41C
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#define VIA_REG_CR_TRANSPACE	0x420
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#define VIA_REG_TRANSET         0x43C
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#define VIA_REG_TRANSPACE       0x440
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/* VIA_REG_STATUS(0x400): Engine Status */
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/* Command Regulator is busy */
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#define VIA_CMD_RGTR_BUSY       0x00000080
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/* 2D Engine is busy */
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#define VIA_2D_ENG_BUSY         0x00000002
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/* 3D Engine is busy */
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#define VIA_3D_ENG_BUSY         0x00000001
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/* Virtual Queue is busy */
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#define VIA_VR_QUEUE_BUSY       0x00020000
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#define MAXLOOP                 0xFFFFFF
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#define VIA_BITBLT_COLOR	1
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#define VIA_BITBLT_MONO		2
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#define VIA_BITBLT_FILL		3
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int viafb_init_engine(struct fb_info *info);
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void viafb_show_hw_cursor(struct fb_info *info, int Status);
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void viafb_wait_engine_idle(struct fb_info *info);
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#endif /* __ACCEL_H__ */
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