189 lines
3.9 KiB
C
189 lines
3.9 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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static VOL8 *mmio;
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int fifo_size;
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void
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mgaWaitAvail (int n)
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{
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int i;
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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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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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if (!mmio)
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return FALSE;
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mgaWaitAvail (wait + 6);
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MGA_OUT32 (mmio, MGA_REG_PITCH, mgas->pitch);
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MGA_OUT32 (mmio, MGA_REG_DSTORG, 0);
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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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}
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Bool
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mgaPrepareSolid (DrawablePtr pDrawable, int alu, Pixel pm, Pixel fg)
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{
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int cmd;
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cmd = MGA_OPCOD_TRAP | MGA_DWGCTL_SOLID | MGA_DWGCTL_ARZERO | MGA_DWGCTL_SGNZERO |
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MGA_DWGCTL_SHIFTZERO;
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/* XXX */
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cmd |= (12 << 16);
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mgaSetup (pDrawable->pScreen, 4);
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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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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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void
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mgaDoneSolid (void)
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{
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}
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Bool
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mgaPrepareCopy (DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, int dx, int dy, int alu, Pixel pm)
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{
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return FALSE;
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}
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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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}
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void
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mgaDoneCopy (void)
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{
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}
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KaaScreenPrivRec 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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};
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Bool
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mgaDrawInit (ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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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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