/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nsc/nsc_gx1_shadow.c,v 1.2 2003/01/14 09:34:32 alanh Exp $ */ /* * $Workfile: nsc_gx1_shadow.c $ * $Revision: 1.1.1.1 $ * $Author: jharper $ * * File Contents: Direct graphics display routines are implemented and * graphics rendering are all done in memory. * * Project: Geode Xfree Frame buffer device driver. * * */ /* * NSC_LIC_ALTERNATIVE_PREAMBLE * * Revision 1.0 * * National Semiconductor Alternative GPL-BSD License * * National Semiconductor Corporation licenses this software * ("Software"): * * National Xfree frame buffer driver * * under one of the two following licenses, depending on how the * Software is received by the Licensee. * * If this Software is received as part of the Linux Framebuffer or * other GPL licensed software, then the GPL license designated * NSC_LIC_GPL applies to this Software; in all other circumstances * then the BSD-style license designated NSC_LIC_BSD shall apply. * * END_NSC_LIC_ALTERNATIVE_PREAMBLE */ /* NSC_LIC_BSD * * National Semiconductor Corporation Open Source License for * * National Xfree frame buffer driver * * (BSD License with Export Notice) * * Copyright (c) 1999-2001 * National Semiconductor Corporation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * * Neither the name of the National Semiconductor Corporation nor * the names of its contributors may be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * NATIONAL SEMICONDUCTOR CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE, * INTELLECTUAL PROPERTY INFRINGEMENT, OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF * YOUR JURISDICTION. It is licensee's responsibility to comply with * any export regulations applicable in licensee's jurisdiction. Under * CURRENT (2001) U.S. export regulations this software * is eligible for export from the U.S. and can be downloaded by or * otherwise exported or reexported worldwide EXCEPT to U.S. embargoed * destinations which include Cuba, Iraq, Libya, North Korea, Iran, * Syria, Sudan, Afghanistan and any other country to which the U.S. * has embargoed goods and services. * * END_NSC_LIC_BSD */ /* NSC_LIC_GPL * * National Semiconductor Corporation Gnu General Public License for * * National Xfree frame buffer driver * * (GPL License with Export Notice) * * Copyright (c) 1999-2001 * National Semiconductor Corporation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted under the terms of the GNU General * Public License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version * * In addition to the terms of the GNU General Public License, neither * the name of the National Semiconductor Corporation nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * NATIONAL SEMICONDUCTOR CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE, * INTELLECTUAL PROPERTY INFRINGEMENT, OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. See the GNU General Public License for more details. * * EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF * YOUR JURISDICTION. It is licensee's responsibility to comply with * any export regulations applicable in licensee's jurisdiction. Under * CURRENT (2001) U.S. export regulations this software * is eligible for export from the U.S. and can be downloaded by or * otherwise exported or reexported worldwide EXCEPT to U.S. embargoed * destinations which include Cuba, Iraq, Libya, North Korea, Iran, * Syria, Sudan, Afghanistan and any other country to which the U.S. * has embargoed goods and services. * * You should have received a copy of the GNU General Public License * along with this file; if not, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * END_NSC_LIC_GPL */ #include "xf86.h" #include "xf86_OSproc.h" #include "xf86Resources.h" #include "xf86_ansic.h" #include "xf86PciInfo.h" #include "xf86Pci.h" #include "nsc.h" #include "shadowfb.h" #include "servermd.h" void GX1RefreshArea(ScrnInfoPtr pScrn, int num, BoxPtr pbox); void GX1PointerMoved(int index, int x, int y); void GX1RefreshArea8(ScrnInfoPtr pScrn, int num, BoxPtr pbox); void GX1RefreshArea16(ScrnInfoPtr pScrn, int num, BoxPtr pbox); void GX1RefreshArea24(ScrnInfoPtr pScrn, int num, BoxPtr pbox); void GX1RefreshArea32(ScrnInfoPtr pScrn, int num, BoxPtr pbox); /*---------------------------------------------------------------------------- * GX1RefreshArea. * * Description :This function copies the memory to be displayed from the * shadow pointer. * Parameters. * pScrn :Pointer to screen structure. * num :Specifies the num of squarebox area to be displayed. * pbox :Points to square of memory to be displayed. * Returns :none * * Comments : none * *---------------------------------------------------------------------------- */ void GX1RefreshArea(ScrnInfoPtr pScrn, int num, BoxPtr pbox) { GeodePtr pGeode = GEODEPTR(pScrn); int width, height, Bpp, FBPitch; unsigned char *src, *dst; Bpp = pScrn->bitsPerPixel >> 3; FBPitch = BitmapBytePad(pScrn->displayWidth * pScrn->bitsPerPixel); while (num--) { width = (pbox->x2 - pbox->x1) * Bpp; height = pbox->y2 - pbox->y1; src = pGeode->ShadowPtr + (pbox->y1 * pGeode->ShadowPitch) + (pbox->x1 * Bpp); dst = pGeode->FBBase + (pbox->y1 * FBPitch) + (pbox->x1 * Bpp); while (height--) { memcpy(dst, src, width); dst += FBPitch; src += pGeode->ShadowPitch; } pbox++; } } /*---------------------------------------------------------------------------- * GX1PointerMoved. * * Description :This function moves one screen memory from one area to other. * * Parameters. * index :Pointer to screen index. * x :Specifies the new x co-ordinates of new area. * y :Specifies the new y co-ordinates of new area. * Returns :none * * Comments :none * *---------------------------------------------------------------------------- */ void GX1PointerMoved(int index, int x, int y) { ScrnInfoPtr pScrn = xf86Screens[index]; GeodePtr pGeode = GEODEPTR(pScrn); int newX, newY; if (pGeode->Rotate == 1) { newX = pScrn->pScreen->height - y - 1; newY = x; } else { newX = y; newY = pScrn->pScreen->width - x - 1; } (*pGeode->PointerMoved) (index, newX, newY); } /*---------------------------------------------------------------------------- * GX1RefreshArea8. * * Description :This function copies the memory to be displayed from the * shadow pointer by 8bpp. * Parameters. * pScrn :Pointer to screen structure. * num :Specifies the num of squarebox area to be displayed. * pbox :Points to square of memory to be displayed. * Returns :none * * Comments :none * *---------------------------------------------------------------------------- */ void GX1RefreshArea8(ScrnInfoPtr pScrn, int num, BoxPtr pbox) { GeodePtr pGeode = GEODEPTR(pScrn); int count, width, height, y1, y2, dstPitch, srcPitch, srcPitch2, srcPitch3, srcPitch4; CARD8 *dstPtr, *srcPtr, *src; CARD32 *dst; dstPitch = pScrn->displayWidth; srcPitch = -pGeode->Rotate * pGeode->ShadowPitch; srcPitch2 = srcPitch * 2; srcPitch3 = srcPitch * 3; srcPitch4 = srcPitch * 4; while (num--) { width = pbox->x2 - pbox->x1; y1 = pbox->y1 & ~3; y2 = (pbox->y2 + 3) & ~3; height = (y2 - y1) >> 2; /* in dwords */ if (pGeode->Rotate == 1) { dstPtr = pGeode->FBBase + (pbox->x1 * dstPitch) + pScrn->virtualX - y2; srcPtr = pGeode->ShadowPtr + ((1 - y2) * srcPitch) + pbox->x1; } else { dstPtr = pGeode->FBBase + ((pScrn->virtualY - pbox->x2) * dstPitch) + y1; srcPtr = pGeode->ShadowPtr + (y1 * srcPitch) + pbox->x2 - 1; } while (width--) { src = srcPtr; dst = (CARD32 *) dstPtr; count = height; while (count--) { *(dst++) = src[0] | (src[srcPitch] << 8) | (src[srcPitch2] << 16) | (src[srcPitch3] << 24); src += srcPitch4; } srcPtr += pGeode->Rotate; dstPtr += dstPitch; } pbox++; } } /*---------------------------------------------------------------------------- * GX1RefreshArea16. * * Description :This function copies the memory to be displayed from the * shadow pointer by 16bpp. * Parameters: * pScrn :Pointer to screen structure. * num :Specifies the num of squarebox area to be displayed. * pbox :Points to square of memory to be displayed. * Returns :none * * Comments :none * *---------------------------------------------------------------------------- */ void GX1RefreshArea16(ScrnInfoPtr pScrn, int num, BoxPtr pbox) { GeodePtr pGeode = GEODEPTR(pScrn); int count, width, height, y1, y2, dstPitch, srcPitch, srcPitch2; CARD16 *dstPtr, *srcPtr, *src; CARD32 *dst; dstPitch = pScrn->displayWidth; srcPitch = -pGeode->Rotate * pGeode->ShadowPitch >> 1; srcPitch2 = srcPitch * 2; while (num--) { width = pbox->x2 - pbox->x1; y1 = pbox->y1 & ~1; y2 = (pbox->y2 + 1) & ~1; height = (y2 - y1) >> 1; /* in dwords */ if (pGeode->Rotate == 1) { dstPtr = (CARD16 *) pGeode->FBBase + (pbox->x1 * dstPitch) + pScrn->virtualX - y2; srcPtr = (CARD16 *) pGeode->ShadowPtr + ((1 - y2) * srcPitch) + pbox->x1; } else { dstPtr = (CARD16 *) pGeode->FBBase + ((pScrn->virtualY - pbox->x2) * dstPitch) + y1; srcPtr = (CARD16 *) pGeode->ShadowPtr + (y1 * srcPitch) + pbox->x2 - 1; } while (width--) { src = srcPtr; dst = (CARD32 *) dstPtr; count = height; while (count--) { *(dst++) = src[0] | (src[srcPitch] << 16); src += srcPitch2; } srcPtr += pGeode->Rotate; dstPtr += dstPitch; } pbox++; } } /*---------------------------------------------------------------------------- * GX1RefreshArea24. * * Description :This function copies the memory to be displayed from the * shadow pointer by 24bpp. * Parameters. * pScrn :Pointer to screen structure. * num :Specifies the num of squarebox area to be displayed. * pbox :Points to square of memory to be displayed. * Returns :none * * Comments :none * *---------------------------------------------------------------------------- */ void GX1RefreshArea24(ScrnInfoPtr pScrn, int num, BoxPtr pbox) { GeodePtr pGeode = GEODEPTR(pScrn); int count, width, height, y1, y2, dstPitch, srcPitch, srcPitch2, srcPitch3; CARD8 *dstPtr, *srcPtr, *src; CARD32 *dst; dstPitch = BitmapBytePad(pScrn->displayWidth * 24); srcPitch = -pGeode->Rotate * pGeode->ShadowPitch; srcPitch2 = srcPitch * 2; srcPitch3 = srcPitch * 3; while (num--) { width = pbox->x2 - pbox->x1; y1 = pbox->y1 & ~3; y2 = (pbox->y2 + 3) & ~3; height = (y2 - y1) >> 2; /* blocks of 3 dwords */ if (pGeode->Rotate == 1) { dstPtr = pGeode->FBBase + (pbox->x1 * dstPitch) + ((pScrn->virtualX - y2) * 3); srcPtr = pGeode->ShadowPtr + ((1 - y2) * srcPitch) + (pbox->x1 * 3); } else { dstPtr = pGeode->FBBase + ((pScrn->virtualY - pbox->x2) * dstPitch) + (y1 * 3); srcPtr = pGeode->ShadowPtr + (y1 * srcPitch) + (pbox->x2 * 3) - 3; } while (width--) { src = srcPtr; dst = (CARD32 *) dstPtr; count = height; while (count--) { dst[0] = src[0] | (src[1] << 8) | (src[2] << 16) | (src[srcPitch] << 24); dst[1] = src[srcPitch + 1] | (src[srcPitch + 2] << 8) | (src[srcPitch2] << 16) | (src[srcPitch2 + 1] << 24); dst[2] = src[srcPitch2 + 2] | (src[srcPitch3] << 8) | (src[srcPitch3 + 1] << 16) | (src[srcPitch3 + 2] << 24); dst += 3; src += srcPitch << 2; } srcPtr += pGeode->Rotate * 3; dstPtr += dstPitch; } pbox++; } } /*---------------------------------------------------------------------------- * GX1RefreshArea32. * * Description :This function copies the memory to be displayed from the * shadow pointer by 32bpp. * Parameters: * pScrn :Pointer to screen structure. * num :Specifies the num of squarebox area to be displayed. * pbox :Points to square of memory to be displayed. * Returns : none * * Comments :none * *---------------------------------------------------------------------------- */ void GX1RefreshArea32(ScrnInfoPtr pScrn, int num, BoxPtr pbox) { GeodePtr pGeode = GEODEPTR(pScrn); int count, width, height, dstPitch, srcPitch; CARD32 *dstPtr, *srcPtr, *src, *dst; dstPitch = pScrn->displayWidth; srcPitch = -pGeode->Rotate * pGeode->ShadowPitch >> 2; while (num--) { width = pbox->x2 - pbox->x1; height = pbox->y2 - pbox->y1; if (pGeode->Rotate == 1) { dstPtr = (CARD32 *) pGeode->FBBase + (pbox->x1 * dstPitch) + pScrn->virtualX - pbox->y2; srcPtr = (CARD32 *) pGeode->ShadowPtr + ((1 - pbox->y2) * srcPitch) + pbox->x1; } else { dstPtr = (CARD32 *) pGeode->FBBase + ((pScrn->virtualY - pbox->x2) * dstPitch) + pbox->y1; srcPtr = (CARD32 *) pGeode->ShadowPtr + (pbox->y1 * srcPitch) + pbox->x2 - 1; } while (width--) { src = srcPtr; dst = dstPtr; count = height; while (count--) { *(dst++) = *src; src += srcPitch; } srcPtr += pGeode->Rotate; dstPtr += dstPitch; } pbox++; } } /* End of file */