diff options
Diffstat (limited to 'src/newport_cursor.c')
| -rw-r--r-- | src/newport_cursor.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/newport_cursor.c b/src/newport_cursor.c new file mode 100644 index 0000000..b5328f8 --- /dev/null +++ b/src/newport_cursor.c @@ -0,0 +1,165 @@ +/* + * newport_cursor.c + */ +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/newport/newport_cursor.c,v 1.1 2002/12/10 04:03:00 dawes Exp $ */ + +#include "newport.h" +#include "cursorstr.h" + +#include "servermd.h" + +#define MAX_CURS 32 + +static void NewportShowCursor(ScrnInfoPtr pScrn); +static void NewportHideCursor(ScrnInfoPtr pScrn); +static void NewportSetCursorPosition(ScrnInfoPtr pScrn, int x, int y); +static void NewportSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg); +/* static void NewportLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *bits); */ +static unsigned char* NewportRealizeCursor(xf86CursorInfoPtr infoPtr, CursorPtr pCurs); + +Bool +NewportHWCursorInit(ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + NewportPtr pNewport = NEWPORTPTR(pScrn); + NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn); + xf86CursorInfoPtr infoPtr; + CARD16 tmp; + + infoPtr = xf86CreateCursorInfoRec(); + if(!infoPtr) + return FALSE; + + pNewport->CursorInfoRec = infoPtr; + infoPtr->MaxWidth = MAX_CURS; + infoPtr->MaxHeight = MAX_CURS; + infoPtr->Flags = HARDWARE_CURSOR_TRUECOLOR_AT_8BPP; + + infoPtr->SetCursorColors = NewportSetCursorColors; + infoPtr->SetCursorPosition = NewportSetCursorPosition; + infoPtr->LoadCursorImage = NewportLoadCursorImage; + infoPtr->HideCursor = NewportHideCursor; + infoPtr->ShowCursor = NewportShowCursor; + infoPtr->RealizeCursor = NewportRealizeCursor; + infoPtr->UseHWCursor = NULL; + + /* enable cursor funtion in shadow register */ + pNewport->vc2ctrl |= VC2_CTRL_ECURS; + /* enable glyph cursor, maximum size is 32x32x2 */ + pNewport->vc2ctrl &= ~( VC2_CTRL_ECG64 | VC2_CTRL_ECCURS); + /* setup hw cursors cmap base address */ + NewportBfwait(pNewportRegs); + pNewportRegs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL | + XM9_CRS_CURS_CMAP_MSB | NPORT_DMODE_W1 ); + tmp = pNewportRegs->set.dcbdata0.bytes.b3; +#if 0 + /* The docs say we can change base address of the cursors + * cmap entries, but it doesn't work. */ + tmp++; +#endif + pNewportRegs->set.dcbmode = (DCB_XMAP0 | W_DCB_XMAP9_PROTOCOL | + XM9_CRS_CURS_CMAP_MSB | NPORT_DMODE_W1 ); + pNewportRegs->set.dcbdata0.bytes.b3 = tmp; + pNewport->curs_cmap_base = (tmp << 5) & 0xffe0; + + return xf86InitCursor(pScreen, infoPtr); +} + + +static void NewportShowCursor(ScrnInfoPtr pScrn) +{ + NewportPtr pNewport = NEWPORTPTR(pScrn); + NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn); + + pNewport->vc2ctrl |= VC2_CTRL_ECDISP; + NewportVc2Set( pNewportRegs, VC2_IREG_CONTROL, pNewport->vc2ctrl); +} + +static void NewportHideCursor(ScrnInfoPtr pScrn) +{ + NewportPtr pNewport = NEWPORTPTR(pScrn); + NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn); + + pNewport->vc2ctrl &= ~VC2_CTRL_ECDISP; + NewportVc2Set( pNewportRegs, VC2_IREG_CONTROL, pNewport->vc2ctrl); +} + +static void NewportSetCursorPosition(ScrnInfoPtr pScrn, int x, int y) +{ + CARD16 x_off; + NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn); + NewportPtr pNewport = NEWPORTPTR(pScrn); + + /* the docu says this should always be 31, but it isn't */ + x_off = 31; + if ( pNewport->board_rev < 6 ) + x_off = 21; + NewportVc2Set( pNewportRegs, VC2_IREG_CURSX, (CARD16) x + x_off); + NewportVc2Set( pNewportRegs, VC2_IREG_CURSY, (CARD16) y + 31); +} + +static void NewportSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg) +{ + NewportPtr pNewport = NEWPORTPTR(pScrn); + NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn); + LOCO color; + + color.blue = bg & 0xff; + color.green = (bg & 0xff00) >> 8; + color.red = (bg & 0xff0000) >> 16; + NewportCmapSetRGB( pNewportRegs, pNewport->curs_cmap_base+2, color); + + color.blue = fg & 0xff; + color.green = (fg & 0xff00) >> 8; + color.red = (fg & 0xff0000) >> 16; + NewportCmapSetRGB( pNewportRegs, pNewport->curs_cmap_base+1, color); +} + +static unsigned char* NewportRealizeCursor(xf86CursorInfoPtr infoPtr, CursorPtr pCurs) +{ + int size = (infoPtr->MaxWidth * infoPtr->MaxHeight) >> 2; + CARD32 *mem, *SrcS, *SrcM, *DstS; + unsigned int i; + + if (!(mem = xcalloc(1, size))) + return NULL; + + SrcS = (CARD32*)pCurs->bits->source; + SrcM = (CARD32*)pCurs->bits->mask; + DstS = mem; + /* first color: maximum is 32*4 Bytes */ + for(i=0; i < pCurs->bits->height; i++) { + *DstS = *SrcS & *SrcM; + DstS++, SrcS++, SrcM++; + } + /* second color is the lower of mem: again 32*4 Bytes at most */ + DstS = mem + MAX_CURS; + SrcS = (CARD32*)pCurs->bits->source; + SrcM = (CARD32*)pCurs->bits->mask; + for(i=0; i < pCurs->bits->height; i++) { + *DstS = (~*SrcS) & *SrcM; + DstS++, SrcS++, SrcM++; + } + return (unsigned char*) mem; +} + +void NewportLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *bits) +{ + int i; + CARD16 tmp; + NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn); + + /* address of cursor data in vc2's ram */ + tmp = NewportVc2Get( pNewportRegs, VC2_IREG_CENTRY); + /* this is where we want to write to: */ + NewportVc2Set( pNewportRegs, VC2_IREG_RADDR, tmp); + pNewportRegs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM | + NPORT_DMODE_W2 | VC2_PROTOCOL); + /* write cursor data */ + for (i = 0; i < ((MAX_CURS * MAX_CURS) >> 3); i++) { + NewportBfwait(pNewportRegs); + pNewportRegs->set.dcbdata0.hwords.s1 = *(unsigned short*)bits; + bits += sizeof(unsigned short); + } +} + |