268 lines
6.8 KiB
C
268 lines
6.8 KiB
C
/*
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* $Id$
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*
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* Copyright © 2003 Anders Carlsson
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Anders Carlsson not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Anders Carlsson makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* ANDERS CARLSSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL ANDERS CARLSSON BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Header$ */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "mga.h"
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CARD32 mgaRop[16] = {
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/* GXclear */ MGA_ATYPE_RPL | 0x00000000, /* 0 */
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/* GXand */ MGA_ATYPE_RSTR | 0x00080000, /* src AND dst */
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/* GXandReverse */ MGA_ATYPE_RSTR | 0x00040000, /* src AND NOT dst */
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/* GXcopy */ MGA_ATYPE_RSTR | 0x000c0000, /* src */
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/* GXandInverted */ MGA_ATYPE_RSTR | 0x00020000, /* NOT src AND dst */
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/* GXnoop */ MGA_ATYPE_RSTR | 0x000a0000, /* dst */
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/* GXxor */ MGA_ATYPE_RSTR | 0x00060000, /* src XOR dst */
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/* GXor */ MGA_ATYPE_RSTR | 0x000e0000, /* src OR dst */
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/* GXnor */ MGA_ATYPE_RSTR | 0x00010000, /* NOT src AND NOT dst */
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/* GXequiv */ MGA_ATYPE_RSTR | 0x00090000, /* NOT src XOR dst */
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/* GXinvert */ MGA_ATYPE_RSTR | 0x00050000, /* NOT dst */
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/* GXorReverse */ MGA_ATYPE_RSTR | 0x000d0000, /* src OR NOT dst */
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/* GXcopyInverted */ MGA_ATYPE_RPL | 0x00030000, /* NOT src */
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/* GXorInverted */ MGA_ATYPE_RSTR | 0x000b0000, /* NOT src OR dst */
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/* GXnand */ MGA_ATYPE_RSTR | 0x00070000, /* NOT src OR NOT dst */
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/* GXset */ MGA_ATYPE_RPL | 0x000f0000 /* 1 */
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};
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static VOL8 *mmio;
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int fifo_size;
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int pitch, src_pitch;
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int dir;
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static void
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mgaWaitAvail (int n)
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{
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if (fifo_size < n) {
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while ((fifo_size = MGA_IN32 (mmio, MGA_REG_FIFOSTATUS) & 0xff) < n)
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;
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}
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fifo_size -= n;
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}
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static void
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mgaWaitIdle (void)
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{
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while (MGA_IN32 (mmio, MGA_REG_STATUS) & 0x10000);
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}
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static Bool
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mgaSetup (ScreenPtr pScreen, int wait)
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{
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KdScreenPriv (pScreen);
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mgaScreenInfo (pScreenPriv);
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mgaCardInfo (pScreenPriv);
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fifo_size = 0;
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mmio = mgac->reg_base;
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pitch = mgas->pitch;
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if (!mmio)
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return FALSE;
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mgaWaitAvail (wait + 4);
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MGA_OUT32 (mmio, MGA_REG_MACCESS, mgas->pw);
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MGA_OUT32 (mmio, MGA_REG_CXBNDRY, 0xffff0000);
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MGA_OUT32 (mmio, MGA_REG_YTOP, 0x00000000);
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MGA_OUT32 (mmio, MGA_REG_YBOT, 0x007fffff);
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return TRUE;
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}
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static Bool
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mgaPrepareSolid (PixmapPtr pPixmap, int alu, Pixel pm, Pixel fg)
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{
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KdScreenPriv(pPixmap->drawable.pScreen);
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int cmd;
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int dst_org;
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cmd = MGA_OPCOD_TRAP | MGA_DWGCTL_SOLID | MGA_DWGCTL_ARZERO | MGA_DWGCTL_SGNZERO |
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MGA_DWGCTL_SHIFTZERO | mgaRop[alu];
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dst_org = (int)pPixmap->devPrivate.ptr - (int)pScreenPriv->screen->memory_base;
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mgaSetup (pPixmap->drawable.pScreen, 5);
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MGA_OUT32 (mmio, MGA_REG_DSTORG, dst_org);
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MGA_OUT32 (mmio, MGA_REG_PITCH, pPixmap->devKind / (pPixmap->drawable.bitsPerPixel >> 3));
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MGA_OUT32 (mmio, MGA_REG_DWGCTL, cmd);
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MGA_OUT32 (mmio, MGA_REG_FCOL, fg);
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MGA_OUT32 (mmio, MGA_REG_PLNWT, pm);
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return TRUE;
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}
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static void
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mgaSolid (int x1, int y1, int x2, int y2)
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{
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mgaWaitAvail (2);
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MGA_OUT32 (mmio, MGA_REG_FXBNDRY, (x2 << 16) | (x1 & 0xffff));
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MGA_OUT32 (mmio, MGA_REG_YDSTLEN | MGA_REG_EXEC, (y1 << 16) | (y2 - y1));
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}
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static void
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mgaDoneSolid (void)
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{
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}
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#define BLIT_LEFT 1
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#define BLIT_UP 4
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static Bool
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mgaPrepareCopy (PixmapPtr pSrcPixmap, PixmapPtr pDstPixmap,
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int dx, int dy, int alu, Pixel pm)
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{
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KdScreenPriv(pSrcPixmap->drawable.pScreen);
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int cmd;
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cmd = MGA_OPCOD_BITBLT | MGA_DWGCTL_BFCOL | MGA_DWGCTL_SHIFTZERO | mgaRop[alu];
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dir = 0;
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if (dy < 0)
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dir |= BLIT_UP;
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if (dx < 0)
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dir |= BLIT_LEFT;
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mgaSetup (pSrcPixmap->drawable.pScreen, 7);
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MGA_OUT32 (mmio, MGA_REG_SRCORG, ((int)pSrcPixmap->devPrivate.ptr - (int)pScreenPriv->screen->memory_base));
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MGA_OUT32 (mmio, MGA_REG_DSTORG, ((int)pDstPixmap->devPrivate.ptr - (int)pScreenPriv->screen->memory_base));
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MGA_OUT32 (mmio, MGA_REG_PITCH, pDstPixmap->devKind / (pDstPixmap->drawable.bitsPerPixel >> 3));
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src_pitch = pSrcPixmap->devKind / (pSrcPixmap->drawable.bitsPerPixel >> 3);
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MGA_OUT32 (mmio, MGA_REG_DWGCTL, cmd);
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MGA_OUT32 (mmio, MGA_REG_SGN, dir);
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MGA_OUT32 (mmio, MGA_REG_PLNWT, pm);
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MGA_OUT32 (mmio, MGA_REG_AR5, src_pitch * (dy < 0 ? -1 : 1) );
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return TRUE;
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}
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static void
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mgaCopy (int srcX, int srcY, int dstX, int dstY, int w, int h)
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{
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int start, end;
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if (dir & BLIT_UP)
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{
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srcY += h - 1;
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dstY += h - 1;
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}
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w--;
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start = end = srcY * src_pitch + srcX;
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if (dir & BLIT_LEFT)
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start += w;
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else
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end += w;
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mgaWaitAvail (4);
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MGA_OUT32 (mmio, MGA_REG_AR0, end);
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MGA_OUT32 (mmio, MGA_REG_AR3, start);
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MGA_OUT32 (mmio, MGA_REG_FXBNDRY, ((dstX + w) << 16) | (dstX & 0xffff));
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MGA_OUT32 (mmio, MGA_REG_YDSTLEN | MGA_REG_EXEC, (dstY << 16) | h);
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}
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static void
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mgaDoneCopy (void)
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{
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}
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KaaScreenInfoRec mgaKaa = {
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mgaPrepareSolid,
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mgaSolid,
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mgaDoneSolid,
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mgaPrepareCopy,
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mgaCopy,
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mgaDoneCopy,
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192, /* Offscreen byte alignment */
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64, /* Offset pitch */
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KAA_OFFSCREEN_PIXMAPS, /* Flags */
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};
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Bool
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mgaDrawInit (ScreenPtr pScreen)
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{
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if (!kaaDrawInit (pScreen, &mgaKaa))
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return FALSE;
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return TRUE;
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}
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void
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mgaDrawEnable (ScreenPtr pScreen)
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{
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KdScreenPriv (pScreen);
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mgaScreenInfo (pScreenPriv);
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mgas->pitch = pScreenPriv->screen->width;
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switch (pScreenPriv->screen->fb[0].depth) {
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case 8:
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mgas->pw = MGA_PW8;
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break;
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case 16:
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mgas->pw = MGA_PW16;
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break;
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case 24:
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mgas->pw = MGA_PW24;
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break;
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case 32:
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mgas->pw = MGA_PW32;
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break;
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default:
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FatalError ("unsupported pixel format");
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}
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KdMarkSync (pScreen);
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}
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void
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mgaDrawDisable (ScreenPtr pScreen)
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{
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}
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void
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mgaDrawFini (ScreenPtr pScreen)
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{
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}
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void
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mgaDrawSync (ScreenPtr pScreen)
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{
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KdScreenPriv (pScreen);
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mgaCardInfo (pScreenPriv);
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mmio = mgac->reg_base;
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mgaWaitIdle ();
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}
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