summaryrefslogtreecommitdiff
path: root/xc/programs/Xserver/hw/xfree86/drivers/geode/geode_dga.c
diff options
context:
space:
mode:
Diffstat (limited to 'xc/programs/Xserver/hw/xfree86/drivers/geode/geode_dga.c')
-rw-r--r--xc/programs/Xserver/hw/xfree86/drivers/geode/geode_dga.c504
1 files changed, 0 insertions, 504 deletions
diff --git a/xc/programs/Xserver/hw/xfree86/drivers/geode/geode_dga.c b/xc/programs/Xserver/hw/xfree86/drivers/geode/geode_dga.c
deleted file mode 100644
index bbefe6831..000000000
--- a/xc/programs/Xserver/hw/xfree86/drivers/geode/geode_dga.c
+++ /dev/null
@@ -1,504 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/geode/geode_dga.c,v 1.1 2002/10/11 14:32:59 alanh Exp $ */
-/*
- * $Workfile: geode_dga.c $
- * $Revision: 1.2.8.2 $
- *
- * File contents: DGA(Direct Acess Graphics mode) is feature of
- * XFree86 that allows the program to access directly to video
- * memory on the graphics card.DGA supports the double
- * flickering.This file has the functions to support the DGA
- * modes.
- *
- * 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"):
- *
- * Geode 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
- *
- * Geode 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
- *
- * Geode 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 "xf86_ansic.h"
-#include "xf86Pci.h"
-#include "xf86PciInfo.h"
-#include "xaa.h"
-#include "xaalocal.h"
-#include "geode.h"
-#include "dgaproc.h"
-
-/* forward declarations */
-Bool GeodeDGAInit(ScreenPtr pScreen);
-static Bool Geode_OpenFramebuffer(ScrnInfoPtr, char **, unsigned char **,
- int *, int *, int *);
-static void Geode_CloseFramebuffer(ScrnInfoPtr pScrn);
-static Bool Geode_SetMode(ScrnInfoPtr, DGAModePtr);
-static int Geode_GetViewport(ScrnInfoPtr);
-static void Geode_SetViewport(ScrnInfoPtr, int, int, int);
-static void Geode_FillRect(ScrnInfoPtr, int, int, int, int, unsigned long);
-static void Geode_BlitRect(ScrnInfoPtr, int, int, int, int, int, int);
-
-extern void GeodeAdjustFrame(int, int, int, int);
-extern Bool GeodeSwitchMode(int, DisplayModePtr, int);
-extern void GeodeAccelSync(ScrnInfoPtr pScreenInfo);
-
-static DGAFunctionRec GeodeDGAFuncs = {
- Geode_OpenFramebuffer,
- Geode_CloseFramebuffer,
- Geode_SetMode,
- Geode_SetViewport,
- Geode_GetViewport,
- GeodeAccelSync,
- Geode_FillRect,
- Geode_BlitRect,
- NULL
-};
-
-/*----------------------------------------------------------------------------
- * GeodeDGAInit.
- *
- * Description :This function is used to intiallize the DGA modes and sets the
- viewport based on the screen mode.
- * Parameters.
- * pScreeen :Pointer to screen info structure.
- *
- * Returns :TRUE on success and FALSE on failure.
- *
- * Comments :This function prepares the DGA mode settings for
- * other func reference.
- *
-*----------------------------------------------------------------------------
-*/
-Bool
-GeodeDGAInit(ScreenPtr pScreen)
-{
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- GeodePtr pGeode = GEODEPTR(pScrn);
- DGAModePtr modes = NULL, newmodes = NULL, currentMode;
- DisplayModePtr pMode, firstMode;
- int Bpp = pScrn->bitsPerPixel >> 3;
- int num = 0;
- Bool oneMore;
-
- pMode = firstMode = pScrn->modes;
- DEBUGMSG(0, (0, X_NONE, "GeodeDGAInit\n"));
- while (pMode) {
-
- /* redundant but it can be used in future:if(0). */
- if (0) { /*pScrn->displayWidth != pMode->HDisplay */
- /* memory is allocated for dga to
- *setup the viewport and mode parameters
- */
- newmodes = xrealloc(modes, (num + 2) * sizeof(DGAModeRec));
- oneMore = TRUE;
- } else {
- /* one record is allocated here */
- newmodes = xrealloc(modes, (num + 1) * sizeof(DGAModeRec));
- oneMore = FALSE;
- }
- if (!newmodes) {
- xfree(modes);
- return FALSE;
- }
- modes = newmodes;
-
- SECOND_PASS: /* DGA mode flgas and viewport parametrs are set here. */
-
- currentMode = modes + num;
- num++;
- currentMode->mode = pMode;
- currentMode->flags = DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE;
- currentMode->flags |= DGA_FILL_RECT | DGA_BLIT_RECT;
- if (pMode->Flags & V_DBLSCAN)
- currentMode->flags |= DGA_DOUBLESCAN;
- if (pMode->Flags & V_INTERLACE)
- currentMode->flags |= DGA_INTERLACED;
- currentMode->byteOrder = pScrn->imageByteOrder;
- currentMode->depth = pScrn->depth;
- currentMode->bitsPerPixel = pScrn->bitsPerPixel;
- currentMode->red_mask = pScrn->mask.red;
- currentMode->green_mask = pScrn->mask.green;
- currentMode->blue_mask = pScrn->mask.blue;
- currentMode->visualClass = (Bpp == 1) ? PseudoColor : TrueColor;
- currentMode->viewportWidth = pMode->HDisplay;
- currentMode->viewportHeight = pMode->VDisplay;
- currentMode->xViewportStep = 1;
- currentMode->yViewportStep = 1;
- currentMode->viewportFlags = DGA_FLIP_RETRACE;
- currentMode->offset = 0;
- currentMode->address = pGeode->FBBase;
- if (oneMore) { /* first one is narrow width */
- currentMode->bytesPerScanline = ((pMode->HDisplay * Bpp) + 3) & ~3L;
- currentMode->imageWidth = pMode->HDisplay;
- currentMode->imageHeight = pMode->VDisplay;
- currentMode->pixmapWidth = currentMode->imageWidth;
- currentMode->pixmapHeight = currentMode->imageHeight;
- currentMode->maxViewportX = currentMode->imageWidth -
- currentMode->viewportWidth;
- /* this might need to get clamped to some maximum */
- currentMode->maxViewportY = currentMode->imageHeight -
- currentMode->viewportHeight;
- oneMore = FALSE;
- goto SECOND_PASS;
- } else {
- currentMode->bytesPerScanline =
- ((pScrn->displayWidth * Bpp) + 3) & ~3L;
- currentMode->imageWidth = pScrn->displayWidth;
- currentMode->imageHeight = pMode->VDisplay;
- currentMode->pixmapWidth = currentMode->imageWidth;
- currentMode->pixmapHeight = currentMode->imageHeight;
- currentMode->maxViewportX = currentMode->imageWidth -
- currentMode->viewportWidth;
- /* this might need to get clamped to some maximum */
- currentMode->maxViewportY = currentMode->imageHeight -
- currentMode->viewportHeight;
- }
- pMode = pMode->next;
- if (pMode == firstMode)
- break;
- }
- pGeode->numDGAModes = num;
- pGeode->DGAModes = modes;
- return DGAInit(pScreen, &GeodeDGAFuncs, modes, num);
-}
-
-/*----------------------------------------------------------------------------
- * Geode_SetMode.
- *
- * Description :This function is sets into the DGA mode.
- *.
- * Parameters.
- * pScreeen :Pointer to screen info structure.
- * pMode :Points to the DGAmode ptr data
- * Returns :TRUE on success and FALSE on failure.
- *
- * Comments :none.
- *
- *
-*----------------------------------------------------------------------------
-*/
-static Bool
-Geode_SetMode(ScrnInfoPtr pScrn, DGAModePtr pMode)
-{
- static int OldDisplayWidth[MAXSCREENS];
- int index = pScrn->pScreen->myNum;
- GeodePtr pGeode = GEODEPTR(pScrn);
-
- DEBUGMSG(0, (0, X_NONE, "Geode_SetMode\n"));
- if (!pMode) {
- /* restore the original mode
- * * put the ScreenParameters back
- */
- pScrn->displayWidth = OldDisplayWidth[index];
- GeodeSwitchMode(index, pScrn->currentMode, 0);
- pGeode->DGAactive = FALSE;
- } else {
- if (!pGeode->DGAactive) { /* save the old parameters */
- OldDisplayWidth[index] = pScrn->displayWidth;
- pGeode->DGAactive = TRUE;
- }
- pScrn->displayWidth = pMode->bytesPerScanline /
- (pMode->bitsPerPixel >> 3);
- GeodeSwitchMode(index, pMode->mode, 0);
- }
- /* enable/disable cursor */
- if (pGeode->HWCursor) {
-#if defined(STB_X)
- Gal_set_compression_state(((pGeode->DGAactive) ?
- GAL_COMPRESSION_DISABLE :
- GAL_COMPRESSION_ENABLE));
- Gal_set_cursor_enable(!pGeode->DGAactive);
-#else
- gfx_set_cursor_enable(!pGeode->DGAactive);
- gfx_set_compression_enable(!pGeode->DGAactive);
-#endif /* STB_X */
- }
-
- return TRUE;
-}
-
-/*----------------------------------------------------------------------------
- * Geode_GetViewPort.
- *
- * Description :This function is Gets the viewport window memory.
- *.
- * Parameters.
- * pScrn :Pointer to screen info structure.
- *
- * Returns :returns the viewport status.
- *
- * Comments :none.
- *
- *
-*----------------------------------------------------------------------------
-*/
-static int
-Geode_GetViewport(ScrnInfoPtr pScrn)
-{
- GeodePtr pGeode = GEODEPTR(pScrn);
-
- return pGeode->DGAViewportStatus;
-}
-
-/*----------------------------------------------------------------------------
- * Geode_SetViewPort.
- *
- * Description :This function is Gets the viewport window memory.
- *
- * Parameters.
- * pScrn :Pointer to screen info structure.
- x :x-cordinate of viewport window
- * y :y-codinate of the viewport window.
- * flags :indicates the viewport to be flipped or not.
- * Returns :returns the viewport status as zero.
- *
- * Comments :none.
- *
-*----------------------------------------------------------------------------
-*/
-static void
-Geode_SetViewport(ScrnInfoPtr pScrn, int x, int y, int flags)
-{
- GeodePtr pGeode = GEODEPTR(pScrn);
-
- GeodeAdjustFrame(pScrn->pScreen->myNum, x, y, flags);
- pGeode->DGAViewportStatus = 0; /*GeodeAdjustFrame loops until finished */
-}
-
-/*----------------------------------------------------------------------------
- * Geode_FillRect.
- *
- * Description :This function is Gets the viewport window memory.
- *.
- * Parameters.
- * pScrn :Pointer to screen info structure.
- * x :x-cordinate of viewport window
- * y :y-codinate of the viewport window.
- * w :width of the rectangle
- * h :height of the rectangle.
- * color :color to be filled in rectangle.
- *
- * Returns :returns the viewport status as zero.
- *
- * Comments :This function is implemented by solidfill routines..
- *
-*----------------------------------------------------------------------------
-*/
-static void
-Geode_FillRect(ScrnInfoPtr pScrn, int x, int y,
- int w, int h, unsigned long color)
-{
- GeodePtr pGeode = GEODEPTR(pScrn);
-
- if (pGeode->AccelInfoRec) {
- (*pGeode->AccelInfoRec->SetupForSolidFill) (pScrn, color, GXcopy, ~0);
- (*pGeode->AccelInfoRec->SubsequentSolidFillRect) (pScrn, x, y, w, h);
- SET_SYNC_FLAG(pGeode->AccelInfoRec);
- }
-}
-
-/*----------------------------------------------------------------------------
- * Geode_BlitRect.
- *
- * Description :This function implementing Blit and it moves a
- * Rectangular block of data from one location to other
- * Location.
- *
- * Parameters.
- * pScrn :Pointer to screen info structure.
- * srcx :x-cordinate of the src rectangle
- * srcy :y-codinate of src rectangle.
- * w :width of the rectangle
- * h :height of the rectangle.
- * dstx :x-cordinate of the dst rectangle.
- * dsty :y -coordinates of the dst rectangle.
- * Returns :none.
- *
- * Comments :none
- *
-*----------------------------------------------------------------------------
-*/
-static void
-Geode_BlitRect(ScrnInfoPtr pScrn,
- int srcx, int srcy, int w, int h, int dstx, int dsty)
-{
- GeodePtr pGeode = GEODEPTR(pScrn);
-
- if (pGeode->AccelInfoRec) {
- int xdir = ((srcx < dstx) && (srcy == dsty)) ? -1 : 1;
- int ydir = (srcy < dsty) ? -1 : 1;
-
- (*pGeode->AccelInfoRec->SetupForScreenToScreenCopy)
- (pScrn, xdir, ydir, GXcopy, ~0, -1);
- (*pGeode->AccelInfoRec->SubsequentScreenToScreenCopy) (pScrn, srcx,
- srcy, dstx, dsty,
- w, h);
- SET_SYNC_FLAG(pGeode->AccelInfoRec);
- }
-}
-
-/*----------------------------------------------------------------------------
- * Geode_OpenFramebuffer.
- *
- * Description :This function open the framebuffer driver for DGA.
- *
- * Parameters.
- * pScrn :Pointer to screen info structure.
- * srcx :x-cordinate of the src rectangle
- * srcy :y-codinate of src rectangle.
- * w :width of the rectangle
- * h :height of the rectangle.
- * dstx :x-cordinate of the dst rectangle.
- * dsty :y -coordinates of the dst rectangle.
- * Returns :none.
- *
- * Comments :none
- *
-*----------------------------------------------------------------------------
-*/
-static Bool
-Geode_OpenFramebuffer(ScrnInfoPtr pScrn,
- char **name, unsigned char **mem,
- int *size, int *offset, int *flags)
-{
- GeodePtr pGeode = GEODEPTR(pScrn);
-
- *name = NULL; /* no special device */
- *mem = (unsigned char *)pGeode->FBLinearAddr;
- *size = pGeode->FBSize;
- *offset = 0;
- *flags = DGA_NEED_ROOT;
- return TRUE;
-}
-
-static void
-Geode_CloseFramebuffer(ScrnInfoPtr pScrn)
-{
-}
-
-/* end of file */