/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nsc/nsc_gx2_cursor.c,v 1.6 2003/11/03 05:11:20 tsi Exp $ */ /* * $Workfile: nsc_gx2_cursor.c $ * $Revision: 1.1.1.2 $ * $Author: jharper $ * * File Contents: Xfree cursor implementation routines * for geode HWcursor init.setting cursor color,image etc * are done here. * 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 "xf86_ansic.h" #include "xf86Pci.h" #include "xf86PciInfo.h" #include "nsc.h" /* Forward declarations of the functions */ Bool GX2HWCursorInit(ScreenPtr pScreen); static void GX2SetCursorColors(ScrnInfoPtr pScreenInfo, int bg, int fg); static void GX2SetCursorPosition(ScrnInfoPtr pScreenInfo, int x, int y); void GX2LoadCursorImage(ScrnInfoPtr pScreenInfo, unsigned char *src); void GX2HideCursor(ScrnInfoPtr pScreenInfo); void GX2ShowCursor(ScrnInfoPtr pScreenInfo); static Bool GX2UseHWCursor(ScreenPtr pScreen, CursorPtr pCurs); extern void GX2SetVideoPosition(int x, int y, int width, int height, short src_w, short src_h, short drw_w, short drw_h, int id, int offset, ScrnInfoPtr pScrn); /*---------------------------------------------------------------------------- * GX2HWCursorInit. * * Description :This function sets the cursor information by probing the * hardware. * * Parameters. * pScreen :Screeen pointer structure. * * Returns :TRUE on success and FALSE on Failure * * Comments :Geode supports the hardware_cursor,no need to enable SW * cursor. *---------------------------------------------------------------------------- */ Bool GX2HWCursorInit(ScreenPtr pScreen) { ScrnInfoPtr pScreenInfo = xf86Screens[pScreen->myNum]; GeodePtr pGeode = GEODEPTR(pScreenInfo); xf86CursorInfoPtr infoPtr; infoPtr = xf86CreateCursorInfoRec(); if (!infoPtr) return FALSE; /* the geode structure is intiallized with the cursor infoRec */ pGeode->CursorInfo = infoPtr; infoPtr->MaxWidth = 32; infoPtr->MaxHeight = 32; /* seeting up the cursor flags */ infoPtr->Flags = HARDWARE_CURSOR_BIT_ORDER_MSBFIRST | HARDWARE_CURSOR_TRUECOLOR_AT_8BPP | HARDWARE_CURSOR_SOURCE_MASK_NOT_INTERLEAVED; /* cursor info ptr is intiallized with the values obtained from * * durnago calls */ infoPtr->SetCursorColors = GX2SetCursorColors; infoPtr->SetCursorPosition = GX2SetCursorPosition; infoPtr->LoadCursorImage = GX2LoadCursorImage; infoPtr->HideCursor = GX2HideCursor; infoPtr->ShowCursor = GX2ShowCursor; infoPtr->UseHWCursor = GX2UseHWCursor; return (xf86InitCursor(pScreen, infoPtr)); } /*---------------------------------------------------------------------------- * GX2SetCursorColors. * * Description :This function sets the cursor foreground and background * colors * Parameters: * pScreen: Screeen pointer structure. * bg: Specifies the color value of cursor background color. * fg: Specifies the color value of cursor foreground color. * Returns: none. * * Comments: The integer color value passed by this function is * converted into * RGB value by the gfx_set_color routines. *---------------------------------------------------------------------------- */ static void GX2SetCursorColors(ScrnInfoPtr pScreenInfo, int bg, int fg) { GFX(set_cursor_colors(bg, fg)); } /*---------------------------------------------------------------------------- * GX2SetCursorPosition. * * Description :This function sets the cursor co -ordinates and enable the * cursor. * * Parameters: * pScreen: Screeen pointer structure. * x: Specifies the x-cordinates of the cursor. * y: Specifies the y co-ordinate of the cursor. * Returns: none. * *---------------------------------------------------------------------------- */ static void GX2SetCursorPosition(ScrnInfoPtr pScreenInfo, int x, int y) { unsigned long offset; static int panOffset = 0; GeodePtr pGeode = GEODEPTR(pScreenInfo); unsigned short xhot = 0, yhot = 0; if (x < 0) { xhot = (unsigned short)(-x); x = 0; } if (y < 0) { yhot = (unsigned short)(-y); y = 0; } GFX(set_cursor_position(pGeode->CursorStartOffset, x, y, xhot, yhot)); GFX(set_cursor_enable(1)); if ((pGeode->OverlayON) && (pGeode->Panel)) { #if defined(STB_X) Gal_get_display_offset(&offset); #else offset = gfx_get_display_offset(); #endif if (offset != panOffset) { GX2SetVideoPosition(pGeode->video_x, pGeode->video_y, pGeode->video_w, pGeode->video_h, pGeode->video_srcw, pGeode->video_srch, pGeode->video_dstw, pGeode->video_dsth, pGeode->video_id, pGeode->video_offset, pGeode->video_scrnptr); panOffset = offset; } } } /*---------------------------------------------------------------------------- * GX2LoadCursorImage * * Description :This function loads the 32x32 cursor pattern.The shape * and color is set by AND and XOR masking of arrays of 32 * DWORD. * Parameters: * pScreen: Screeen pointer structure. * src : Specifies cursor data. * Returns : none * *---------------------------------------------------------------------------- */ void GX2LoadCursorImage(ScrnInfoPtr pScreenInfo, unsigned char *src) { int i; unsigned long shape; unsigned long mask; unsigned long andMask[32] = { 0, }; unsigned long xorMask[32] = { 0, }; GeodePtr pGeode = GEODEPTR(pScreenInfo); for (i = 0; i < 32; i++) { if (src) { shape = ((unsigned long)src[i * 4] << 24) | ((unsigned long)src[i * 4 + 1] << 16) | ((unsigned long)src[i * 4 + 2] << 8) | ((unsigned long)src[i * 4 + 3] << 0); mask = ((unsigned long)src[i * 4 + 128] << 24) | ((unsigned long)src[i * 4 + 1 + 128] << 16) | ((unsigned long)src[i * 4 + 2 + 128] << 8) | ((unsigned long)src[i * 4 + 3 + 128] << 0); } else { mask = 0x0; shape = 0xFFFFFFFF; } andMask[i] = ~(mask); xorMask[i] = shape & mask; } GFX(set_cursor_shape32(pGeode->CursorStartOffset, andMask, xorMask)); } /*---------------------------------------------------------------------------- * GX2HideCursor. * * Description :This function will disable the cursor. * * Parameters: * pScreen: Handles to the Screeen pointer structure. * * Returns: none. * * Comments: gfx_set_cursor enable function is hardcoded to disable * the cursor. *---------------------------------------------------------------------------- */ void GX2HideCursor(ScrnInfoPtr pScreenInfo) { GFX(set_cursor_enable(0)); } /*---------------------------------------------------------------------------- * GX2ShowCursor * * Description :This function will enable the cursor. * * Parameters: * pScreen :Handles to the Screeen pointer structure. * * Returns :none * * Comments :gfx_set_cursor enable function is hardcoded to enable the * cursor *---------------------------------------------------------------------------- */ void GX2ShowCursor(ScrnInfoPtr pScreenInfo) { GFX(set_cursor_enable(1)); } /*---------------------------------------------------------------------------- * GX2UseHwCursor. * * Description :This function will sets the hardware cursor flag in * pscreen structure. * * Parameters. * pScreen :Handles to the Screeen pointer structure. * * Returns :none * * Comments :none * *---------------------------------------------------------------------------- */ static Bool GX2UseHWCursor(ScreenPtr pScreen, CursorPtr pCurs) { ScrnInfoPtr pScreenInfo = XF86SCRNINFO(pScreen); if (pScreenInfo->currentMode->Flags & V_DBLSCAN) return FALSE; return TRUE; } /* End of File */