/************************************************************************** Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. All Rights Reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sub license, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice (including the next paragraph) shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. **************************************************************************/ /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_cursor.c,v 1.3 2001/10/04 18:28:21 alanh Exp $ */ /* * Authors: * Keith Whitwell * */ #include "xf86.h" #include "xf86_OSproc.h" #include "xf86_ansic.h" #include "compiler.h" #include "xf86fbman.h" #include "i810.h" static void I810LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src); static void I810ShowCursor(ScrnInfoPtr pScrn); static void I810HideCursor(ScrnInfoPtr pScrn); static void I810SetCursorColors(ScrnInfoPtr pScrn, int bg, int fb); static Bool I810UseHWCursor(ScreenPtr pScrn, CursorPtr pCurs); Bool I810CursorInit(ScreenPtr pScreen) { ScrnInfoPtr pScrn; I810Ptr pI810; xf86CursorInfoPtr infoPtr; pScrn = xf86Screens[pScreen->myNum]; pI810 = I810PTR(pScrn); pI810->CursorInfoRec = infoPtr = xf86CreateCursorInfoRec(); if (!infoPtr) return FALSE; infoPtr->MaxWidth = 64; infoPtr->MaxHeight = 64; infoPtr->Flags = (HARDWARE_CURSOR_TRUECOLOR_AT_8BPP | HARDWARE_CURSOR_BIT_ORDER_MSBFIRST | HARDWARE_CURSOR_INVERT_MASK | HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK | HARDWARE_CURSOR_AND_SOURCE_WITH_MASK | HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 | 0); infoPtr->SetCursorColors = I810SetCursorColors; infoPtr->SetCursorPosition = I810SetCursorPosition; infoPtr->LoadCursorImage = I810LoadCursorImage; infoPtr->HideCursor = I810HideCursor; infoPtr->ShowCursor = I810ShowCursor; infoPtr->UseHWCursor = I810UseHWCursor; if (!pI810->CursorPhysical) return FALSE; return xf86InitCursor(pScreen, infoPtr); } static Bool I810UseHWCursor(ScreenPtr pScreen, CursorPtr pCurs) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; I810Ptr pI810 = I810PTR(pScrn); if (!pI810->CursorPhysical) return FALSE; return TRUE; } static void I810LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src) { I810Ptr pI810 = I810PTR(pScrn); CARD8 *pcurs = (CARD8 *)(pI810->FbBase + pI810->CursorStart); int x, y; for (y = 0; y < 64; y++) { for (x = 0; x < 64 / 4; x++) { *pcurs++ = *src++; } } } #define CURACNTR 0x70080 #define CURSORA_DISABLE 0 #define CURSORA_MODE_64_3C (1<<2) #define CURSORA_MODE_64_AND_XOR ((1<<2)|(1)) #define CURSORA_MODE_64_4C ((1<<2)|(1<<1)) #define CURSORA_MODE_64_32BPP_AND_XOR ((1<<2)|(1<<1)|(1)) #define CURSORA_MODE_64_32BPP_ARGB ((1<<5)|(1<<2)|(1<<1)|(1)) #define CURSORA_RESERVED ((1<<31)|(1<<30)|(1<<29)|(1<<24)|(1<<23)|(1<<22)|(1<<21)|(1<<20)|(1<<19)|(1<<18)|(1<<17)|(1<<16)|(1<<7)|(1<<6)|(1<<4)) #define CURABASE 0x70084 void I810SetCursorPosition(ScrnInfoPtr pScrn, int x, int y) { I810Ptr pI810 = I810PTR(pScrn); int flag; #if 0 DPRINTF("%s %d %d\n" "--> CURACNTR == 0x%.8x\n" "--> CURBCNTR == 0x%.8x\n", __FUNCTION__,x,y, INREG (0x70080), INREG (0x700C0)); #endif /* FIXME: hack to get around disappearing cursor problems. * don't know why this work though. */ if (IS_I830 (pI810)) { INREG (0x70080); INREG (0x700C0); } x += pI810->CursorOffset; if (x >= 0) flag = CURSOR_X_POS; else { flag = CURSOR_X_NEG; x=-x; } OUTREG8( CURSOR_X_LO, x&0xFF); OUTREG8( CURSOR_X_HI, (((x >> 8) & 0x07) | flag)); if (y >= 0) flag = CURSOR_Y_POS; else { flag = CURSOR_Y_NEG; y=-y; } OUTREG8( CURSOR_Y_LO, y&0xFF); OUTREG8( CURSOR_Y_HI, (((y >> 8) & 0x07) | flag)); /* FIXME */ OUTREG(CURABASE, pI810->CursorPhysical); } static void I810ShowCursor(ScrnInfoPtr pScrn) { I810Ptr pI810 = I810PTR(pScrn); unsigned char tmp; CARD32 temp; if(IS_I830(pI810)) { temp = INREG(CURACNTR); temp &= CURSORA_RESERVED; temp |= CURSORA_MODE_64_AND_XOR; OUTREG(CURACNTR, temp); OUTREG(CURABASE, pI810->CursorPhysical); } else { OUTREG( CURSOR_BASEADDR, pI810->CursorPhysical); OUTREG8( CURSOR_CONTROL, CURSOR_ORIGIN_DISPLAY | CURSOR_MODE_64_3C); tmp = INREG8( PIXPIPE_CONFIG_0 ); tmp |= HW_CURSOR_ENABLE; OUTREG8( PIXPIPE_CONFIG_0, tmp); } } static void I810HideCursor(ScrnInfoPtr pScrn) { unsigned char tmp; CARD32 temp; I810Ptr pI810 = I810PTR(pScrn); if(IS_I830(pI810)) { temp = INREG(CURACNTR); temp &= CURSORA_RESERVED; temp |= CURSORA_DISABLE; OUTREG(CURACNTR, temp); OUTREG(CURABASE, pI810->CursorPhysical); } else { tmp=INREG8( PIXPIPE_CONFIG_0 ); tmp &= ~HW_CURSOR_ENABLE; OUTREG8( PIXPIPE_CONFIG_0, tmp); } } #define CURAPALET0 0x70090 #define CURAPALET1 0x70094 #define CURAPALET2 0x70098 #define CURAPALET3 0x7009c static void I810SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg) { int tmp; I810Ptr pI810 = I810PTR(pScrn); if(IS_I830(pI810)) { OUTREG(CURAPALET0, bg & 0x00ffffff); OUTREG(CURAPALET1, fg & 0x00ffffff); OUTREG(CURAPALET2, fg & 0x00ffffff); OUTREG(CURAPALET3, bg & 0x00ffffff); } else { tmp=INREG8(PIXPIPE_CONFIG_0); tmp |= EXTENDED_PALETTE; OUTREG8( PIXPIPE_CONFIG_0, tmp); pI810->writeStandard(pI810, DACMASK, 0xFF); pI810->writeStandard(pI810, DACWX, 0x04); pI810->writeStandard(pI810, DACDATA, (bg & 0x00FF0000) >> 16); pI810->writeStandard(pI810, DACDATA, (bg & 0x0000FF00) >> 8); pI810->writeStandard(pI810, DACDATA, (bg & 0x000000FF)); pI810->writeStandard(pI810, DACDATA, (fg & 0x00FF0000) >> 16); pI810->writeStandard(pI810, DACDATA, (fg & 0x0000FF00) >> 8); pI810->writeStandard(pI810, DACDATA, (fg & 0x000000FF)); tmp=INREG8( PIXPIPE_CONFIG_0 ); tmp &= ~EXTENDED_PALETTE; OUTREG8( PIXPIPE_CONFIG_0, tmp ); } }