111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/*
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* Copyright 2004-2005 The Unichrome Project [unichrome.sf.net]
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Wrappers around xf86 vgaHW functions.
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* And some generic IO calls lacking in the current vgaHW implementation.
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*/
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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 "compiler.h"
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#include "xf86.h"
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#include "via_driver.h" /* for HAVE_DEBUG */
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void
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ViaCrtcMask(vgaHWPtr hwp, CARD8 index, CARD8 value, CARD8 mask)
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{
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CARD8 tmp;
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tmp = hwp->readCrtc(hwp, index);
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tmp &= ~mask;
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tmp |= (value & mask);
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hwp->writeCrtc(hwp, index, tmp);
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}
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void
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ViaSeqMask(vgaHWPtr hwp, CARD8 index, CARD8 value, CARD8 mask)
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{
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CARD8 tmp;
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tmp = hwp->readSeq(hwp, index);
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tmp &= ~mask;
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tmp |= (value & mask);
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hwp->writeSeq(hwp, index, tmp);
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}
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void
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ViaGrMask(vgaHWPtr hwp, CARD8 index, CARD8 value, CARD8 mask)
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{
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CARD8 tmp;
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tmp = hwp->readGr(hwp, index);
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tmp &= ~mask;
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tmp |= (value & mask);
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hwp->writeGr(hwp, index, tmp);
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}
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#ifdef HAVE_DEBUG
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void
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ViaVgahwPrint(vgaHWPtr hwp)
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{
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int i;
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if (!hwp)
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return;
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO, "VGA Sequence registers:\n");
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for (i = 0x00; i < 0x80; i++)
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO,
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"SR%02X: 0x%02X\n", i, hwp->readSeq(hwp, i));
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO, "VGA CRTM/C registers:\n");
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for (i = 0x00; i < 0x19; i++)
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO,
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"CR%02X: 0x%02X\n", i, hwp->readCrtc(hwp, i));
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for (i = 0x33; i < 0xA3; i++)
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO,
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"CR%02X: 0x%02X\n", i, hwp->readCrtc(hwp, i));
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO, "VGA Graphics registers:\n");
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for (i = 0x00; i < 0x08; i++)
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO,
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"GR%02X: 0x%02X\n", i, hwp->readGr(hwp, i));
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO, "VGA Attribute registers:\n");
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for (i = 0x00; i < 0x14; i++)
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO,
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"AR%02X: 0x%02X\n", i, hwp->readAttr(hwp, i));
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO, "VGA Miscellaneous register:\n");
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO,
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"Misc: 0x%02X\n", hwp->readMiscOut(hwp));
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xf86DrvMsg(hwp->pScrn->scrnIndex, X_INFO, "End of VGA registers.\n");
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}
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#endif /* HAVE_DEBUG */
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