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