/* * Id: newport_cmap.c,v 1.1 2000/11/29 20:58:10 agx Exp $ */ /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/newport/newport_cmap.c,v 1.1 2000/12/01 19:47:59 dawes Exp $ */ #include "newport.h" static void NewportCmapSetRGB( NewportRegsPtr pNewportRegs, unsigned short addr, LOCO color); static void NewportCmapGetRGB( NewportRegsPtr pNewportRegs, unsigned short addr, LOCO *color); /* Load a colormap into the hardware */ void NewportLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, \ LOCO* colors, VisualPtr pVisual) { int i,index; NewportRegsPtr pNewportRegs = NEWPORTPTR(pScrn)->pNewportRegs; for(i = 0; i < numColors; i++) { index=indices[i]; NewportBfwait(pNewportRegs); NewportCmapSetRGB(pNewportRegs, index, colors[index]); } } void NewportBackupPalette(ScrnInfoPtr pScrn) { int i; NewportPtr pNewport = NEWPORTPTR(pScrn); NewportWait(pNewport->pNewportRegs); for(i = 0; i < 256; i++) { NewportCmapGetRGB(pNewport->pNewportRegs, i, &(pNewport->txt_colormap[i])); } } /* restore the default colormap */ void NewportRestorePalette(ScrnInfoPtr pScrn) { int i; NewportPtr pNewport = NEWPORTPTR(pScrn); for(i = 0; i < 256; i++) { NewportCmapSetRGB(pNewport->pNewportRegs, i, pNewport->txt_colormap[i]); } } /* set the colormap entry at addr to color */ static void NewportCmapSetRGB( NewportRegsPtr pNewportRegs, unsigned short addr, LOCO color) { NewportWait(pNewportRegs); /* this one should not be necessary */ NewportBfwait(pNewportRegs); pNewportRegs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL | NPORT_DMODE_SENDIAN | NPORT_DMODE_ECINC | NCMAP_REGADDR_AREG | NPORT_DMODE_W2); pNewportRegs->set.dcbdata0.hwords.s1 = addr; pNewportRegs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL | NCMAP_REGADDR_PBUF | NPORT_DMODE_W3); pNewportRegs->set.dcbdata0.all = (color.red << 24) | (color.green << 16) | (color.blue << 8); } /* get the colormap entry at addr */ static void NewportCmapGetRGB( NewportRegsPtr pNewportRegs, unsigned short addr, LOCO* color) { npireg_t tmp; NewportBfwait(pNewportRegs); pNewportRegs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL | NPORT_DMODE_SENDIAN | NPORT_DMODE_ECINC | NCMAP_REGADDR_AREG | NPORT_DMODE_W2); pNewportRegs->set.dcbdata0.hwords.s1 = addr; pNewportRegs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL | NCMAP_REGADDR_PBUF | NPORT_DMODE_W3); tmp = pNewportRegs->set.dcbdata0.all; color->red = (tmp >> 24) & 0xff; color->green = (tmp >> 16) & 0xff; color->blue = (tmp >> 8) & 0xff; }