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Diffstat (limited to 'hw/kdrive/sis530/sisdraw.h')
| -rw-r--r-- | hw/kdrive/sis530/sisdraw.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/hw/kdrive/sis530/sisdraw.h b/hw/kdrive/sis530/sisdraw.h new file mode 100644 index 000000000..45868e9ba --- /dev/null +++ b/hw/kdrive/sis530/sisdraw.h @@ -0,0 +1,183 @@ +/* + * $Id$ + * + * Copyright © 1999 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ +/* $XFree86: $ */ + +#ifndef _SISDRAW_H_ +#define _SISDRAW_H_ + +#define SetupSis(s) KdScreenPriv(s); \ + sisCardInfo(pScreenPriv); \ + SisPtr sis = sisc->sis + +#define SIS_CMD_BITBLT (0) +#define SIS_CMD_COLOR_EXPAND (1) +#define SIS_CMD_ENH_COLOR_EXPAND (2) +#define SIS_CMD_MULTI_SCANLINE (3) +#define SIS_CMD_LINE (4) +#define SIS_CMD_TRAPEZOID (5) +#define SIS_CMD_TRANSPARENT_BITBLT (6) + +#define SIS_CMD_SRC_SCREEN (0 << 4) +#define SIS_CMD_SRC_CPU (1 << 4) + +#define SIS_CMD_PAT_FG (0 << 6) +#define SIS_CMD_PAT_PATTERN (1 << 6) +#define SIS_CMD_PAT_MONO (2 << 6) + +/* 8->15 rop */ + +#define SIS_CMD_DEC_X (0 << 16) +#define SIS_CMD_INC_X (1 << 16) + +#define SIS_CMD_DEC_Y (0 << 17) +#define SIS_CMD_INC_Y (1 << 17) + +#define SIS_CMD_RECT_CLIP_DISABLE (0 << 18) +#define SIS_CMD_RECT_CLIP_ENABLE (1 << 18) + +#define SIS_CMD_OPAQUE (0 << 20) +#define SIS_CMD_TRANSPARENT (1 << 20) + +#define SIS_CMD_RECT_CLIP_MERGE (0 << 26) +#define SIS_CMD_RECT_CLIP_DONT_MERGE (1 << 26) + +#define SIS_STAT_2D_IDLE (1 << 31) +#define SIS_STAT_3D_IDLE (1 << 30) +#define SIS_STAT_EMPTY (1 << 29) +#define SIS_STAT_CPU_BITBLT (0xf << 24) +#define SIS_STAT_ENH_COLOR_EXPAND (1 << 23) +#define SIS_STAT_AVAIL (0x1fff) + +extern CARD8 sisPatRop[16]; +extern CARD8 sisBltRop[16]; + +#define _sisSetSolidRect(sis,pix,alu,cmd) {\ + (sis)->u.general.pattern_fg = (pix); \ + (cmd) = (SIS_CMD_BITBLT | \ + SIS_CMD_SRC_SCREEN | \ + SIS_CMD_PAT_FG | \ + (sisPatRop[alu] << 8) | \ + SIS_CMD_INC_X | \ + SIS_CMD_INC_Y | \ + SIS_CMD_RECT_CLIP_DISABLE | \ + SIS_CMD_OPAQUE | \ + SIS_CMD_RECT_CLIP_DONT_MERGE); \ +} + +#define _sisClip(sis,x1,y1,x2,y2) { \ + (sis)->u.general.clip_left = (x1); \ + (sis)->u.general.clip_top = (y1); \ + (sis)->u.general.clip_right = (x2); \ + (sis)->u.general.clip_bottom = (y2); \ +} + +#define _sisRect(sis,x,y,w,h,cmd) { \ + (sis)->u.general.dst_x = (x); \ + (sis)->u.general.dst_y = (y); \ + (sis)->u.general.rect_width = (w); \ + (sis)->u.general.rect_height = (h); \ + (sis)->u.general.command = (cmd); \ +} + +#define _sisSetTransparentPlaneBlt(sis, alu, fg, cmd) { \ + (sis)->u.general.src_fg = (fg); \ + (cmd) = (SIS_CMD_ENH_COLOR_EXPAND | \ + SIS_CMD_SRC_CPU | \ + SIS_CMD_PAT_FG | \ + (sisBltRop[alu] << 8) | \ + SIS_CMD_INC_X | \ + SIS_CMD_INC_Y | \ + SIS_CMD_RECT_CLIP_DISABLE | \ + SIS_CMD_TRANSPARENT | \ + SIS_CMD_RECT_CLIP_DONT_MERGE); \ +} + +#define _sisSetOpaquePlaneBlt(sis, alu, fg, bg, cmd) { \ + (sis)->u.general.src_fg = (fg); \ + (sis)->u.general.src_bg = (bg); \ + (cmd) = (SIS_CMD_ENH_COLOR_EXPAND | \ + SIS_CMD_SRC_CPU | \ + SIS_CMD_PAT_FG | \ + (sisBltRop[alu] << 8) | \ + SIS_CMD_INC_X | \ + SIS_CMD_INC_Y | \ + SIS_CMD_RECT_CLIP_DISABLE | \ + SIS_CMD_OPAQUE | \ + SIS_CMD_RECT_CLIP_DONT_MERGE); \ +} + +#define _sisPlaneBlt(sis,x,y,w,h,cmd) _sisSolidRect(sis,x,y,w,h,cmd) + +#define _sisSetBlt(sis,alu,cmd) { \ + (sis)->u.general.src_base = (sis)->u.general.dst_base; \ + (sis)->u.general.src_pitch = (sis)->u.general.dst_pitch; \ + (cmd) = (SIS_CMD_RECT_CLIP_DONT_MERGE |\ + (sisBltRop[alu] << 8) |\ + SIS_CMD_PAT_FG |\ + SIS_CMD_SRC_SCREEN |\ + SIS_CMD_BITBLT); \ +} + +#define _sisBlt(sis,sx,sy,dx,dy,w,h,cmd) { \ + (sis)->u.general.src_x = (sx); \ + (sis)->u.general.src_y = (sy); \ + (sis)->u.general.dst_x = (dx); \ + (sis)->u.general.dst_y = (dy); \ + (sis)->u.general.rect_width = (w); \ + (sis)->u.general.rect_height = (h); \ + (sis)->u.general.command = (cmd); \ +} + +#define SIS_IE (SIS_STAT_2D_IDLE|SIS_STAT_EMPTY) + +#define _sisWaitIdleEmpty(sis) \ + while (((sis)->u.general.status & SIS_IE) != SIS_IE) + +/* + * Ok, so the Sis530 is broken -- it expects bitmaps to come MSB bit order, + * but it's willing to take them in LSB byte order. These macros + * flip bits around without flipping bytes. Instead of using a table + * and burning memory bandwidth, do them in place with the CPU. + */ + +/* The MIPS compiler automatically places these constants in registers */ +#define SisInvertBits32(v) { \ + v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555); \ + v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333); \ + v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f); \ +} + +#define SisInvertBits16(v) { \ + v = ((v & 0x5555) << 1) | ((v >> 1) & 0x5555); \ + v = ((v & 0x3333) << 2) | ((v >> 2) & 0x3333); \ + v = ((v & 0x0f0f) << 4) | ((v >> 4) & 0x0f0f); \ +} + +#define SisInvertBits8(v) { \ + v = ((v & 0x55) << 1) | ((v >> 1) & 0x55); \ + v = ((v & 0x33) << 2) | ((v >> 2) & 0x33); \ + v = ((v & 0x0f) << 4) | ((v >> 4) & 0x0f); \ +} + +#endif |