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// Note: This is a modified version of via_regs.h from the XFree86 CVS tree.
/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef __VIA_REGS_2D_H__
#define __VIA_REGS_2D_H__
/* Selected 2D engine raster operations.
* See xc/programs/Xserver/hw/xfree86/xaa/xaarop.h
* in the XFree86 project for the full list.
*/
#define VIA_ROP_DPx (0x5A << 24)
#define VIA_ROP_DSx (0x66 << 24)
#define VIA_ROP_S (0xCC << 24)
#define VIA_ROP_P (0xF0 << 24)
/* My own reverse-engineered bit definitions */
// Use the following definitions with VIA_KEY_CONTROL
/// When set, red channel is not drawn
#define VIA_KEY_MASK_RED 0x40000000
/// When set, green channel is not drawn
#define VIA_KEY_MASK_GREEN 0x20000000
/// When set, blue channel is not drawn
#define VIA_KEY_MASK_BLUE 0x10000000
/** When set, destination keying is enabled.
* Caveat: VIA's destination key is the opposite of DirectFB's:
* It draws where there is no match in the destination surface.
*/
#define VIA_KEY_ENABLE_DSTKEY 0x8000
/** When set, source keying is enabled
* It draws the pixels in the source that do not match the color key.
*/
#define VIA_KEY_ENABLE_SRCKEY 0x4000
/** Inverts the behaviour of the color keys:
* Dst key: draw where the destination matches the key
* Src key: draw where the source matches the key
* Problem: Since this bit affects both keys, you can not do
* combined source and destination keying with DirectFB.
* The inverted source key is all but useless since it will
* only draw the source pixels that match the key!
* It must be a design error...
*/
#define VIA_KEY_INVERT_KEY 0x2000
/* 2D engine registers and bit definitions */
#define VIA_MMIO_REGSIZE 0x9000
#define VIA_MMIO_REGBASE 0x0
#define VIA_MMIO_VGABASE 0x8000
#define VIA_MMIO_BLTBASE 0x200000
#define VIA_MMIO_BLTSIZE 0x10000
#define VIA_VQ_SIZE (256*1024)
/* defines for VIA 2D registers */
#define VIA_REG_GECMD 0x000
#define VIA_REG_GEMODE 0x004
#define VIA_REG_GESTATUS 0x004 /* as same as VIA_REG_GEMODE */
#define VIA_REG_SRCPOS 0x008
#define VIA_REG_DSTPOS 0x00C
#define VIA_REG_LINE_K1K2 0x008
#define VIA_REG_LINE_XY 0x00C
#define VIA_REG_DIMENSION 0x010 /* width and height */
#define VIA_REG_PATADDR 0x014
#define VIA_REG_FGCOLOR 0x018
#define VIA_REG_DSTCOLORKEY 0x018 /* as same as VIA_REG_FG */
#define VIA_REG_BGCOLOR 0x01C
#define VIA_REG_SRCCOLORKEY 0x01C /* as same as VIA_REG_BG */
#define VIA_REG_CLIPTL 0x020 /* top and left of clipping */
#define VIA_REG_CLIPBR 0x024 /* bottom and right of clipping */
#define VIA_REG_OFFSET 0x028
#define VIA_REG_LINE_ERROR 0x028
#define VIA_REG_KEYCONTROL 0x02C /* color key control */
#define VIA_REG_SRCBASE 0x030
#define VIA_REG_DSTBASE 0x034
#define VIA_REG_PITCH 0x038 /* pitch of src and dst */
#define VIA_REG_MONOPAT0 0x03C
#define VIA_REG_MONOPAT1 0x040
#define VIA_REG_COLORPAT 0x100 /* from 0x100 to 0x1ff */
/* defines for VIA video registers */
#define VIA_REG_INTERRUPT 0x200
#define VIA_REG_CRTCSTART 0x214
/* defines for VIA HW cursor registers */
#define VIA_REG_CURSOR_MODE 0x2D0
#define VIA_REG_CURSOR_POS 0x2D4
#define VIA_REG_CURSOR_ORG 0x2D8
#define VIA_REG_CURSOR_BG 0x2DC
#define VIA_REG_CURSOR_FG 0x2E0
/* defines for VIA 3D registers */
#define VIA_REG_STATUS 0x400
#define VIA_REG_TRANSET 0x43C
#define VIA_REG_TRANSPACE 0x440
/* VIA_REG_STATUS(0x400): Engine Status */
#define VIA_CMD_RGTR_BUSY 0x00000080 /* Command Regulator is busy */
#define VIA_2D_ENG_BUSY 0x00000001 /* 2D Engine is busy */
#define VIA_3D_ENG_BUSY 0x00000002 /* 3D Engine is busy */
#define VIA_VR_QUEUE_BUSY 0x00020000 /* Virtual Queue is busy */
/* VIA_REG_GECMD(0x00): 2D Engine Command */
#define VIA_GEC_NOOP 0x00000000
#define VIA_GEC_BLT 0x00000001
#define VIA_GEC_LINE 0x00000005
#define VIA_GEC_SRC_XY 0x00000000
#define VIA_GEC_SRC_LINEAR 0x00000010
#define VIA_GEC_DST_XY 0x00000000
#define VIA_GEC_DST_LINRAT 0x00000020
#define VIA_GEC_SRC_FB 0x00000000
#define VIA_GEC_SRC_SYS 0x00000040
#define VIA_GEC_DST_FB 0x00000000
#define VIA_GEC_DST_SYS 0x00000080
#define VIA_GEC_SRC_MONO 0x00000100 /* source is mono */
#define VIA_GEC_PAT_MONO 0x00000200 /* pattern is mono */
#define VIA_GEC_MSRC_OPAQUE 0x00000000 /* mono src is opaque */
#define VIA_GEC_MSRC_TRANS 0x00000400 /* mono src is transparent */
#define VIA_GEC_PAT_FB 0x00000000 /* pattern is in frame buffer */
#define VIA_GEC_PAT_REG 0x00000800 /* pattern is from reg setting */
#define VIA_GEC_CLIP_DISABLE 0x00000000
#define VIA_GEC_CLIP_ENABLE 0x00001000
#define VIA_GEC_FIXCOLOR_PAT 0x00002000
#define VIA_GEC_INCX 0x00000000
#define VIA_GEC_DECY 0x00004000
#define VIA_GEC_INCY 0x00000000
#define VIA_GEC_DECX 0x00008000
#define VIA_GEC_MPAT_OPAQUE 0x00000000 /* mono pattern is opaque */
#define VIA_GEC_MPAT_TRANS 0x00010000 /* mono pattern is transparent */
#define VIA_GEC_MONO_UNPACK 0x00000000
#define VIA_GEC_MONO_PACK 0x00020000
#define VIA_GEC_MONO_DWORD 0x00000000
#define VIA_GEC_MONO_WORD 0x00040000
#define VIA_GEC_MONO_BYTE 0x00080000
#define VIA_GEC_LASTPIXEL_ON 0x00000000
#define VIA_GEC_LASTPIXEL_OFF 0x00100000
#define VIA_GEC_X_MAJOR 0x00000000
#define VIA_GEC_Y_MAJOR 0x00200000
#define VIA_GEC_QUICK_START 0x00800000
/* VIA_REG_GEMODE(0x04): GE mode */
#define VIA_GEM_8bpp 0x00000000
#define VIA_GEM_16bpp 0x00000100
#define VIA_GEM_32bpp 0x00000300
#define VIA_GEM_640 0x00000000 /* 640*480 */
#define VIA_GEM_800 0x00000400 /* 800*600 */
#define VIA_GEM_1024 0x00000800 /* 1024*768 */
#define VIA_GEM_1280 0x00000C00 /* 1280*1024 */
#define VIA_GEM_1600 0x00001000 /* 1600*1200 */
#define VIA_GEM_2048 0x00001400 /* 2048*1536 */
/* VIA_REG_PITCH(0x38): Pitch Setting */
#define VIA_PITCH_ENABLE 0x80000000
#endif // __VIA_REGS_2D_H__
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