1d976e39b9
NetBSD/sparc rcons glass-tty console pseudo-device driver, via the "fb" generic-framebuffer pseudo-device driver. Individual framebuffer device drivers are now autoconfig glue, and initialization code for a set of vdac/ramdac-level methods, called "fbdriver", that's used by all the pmax device drivers. All the handlers for user-level requests (open/ioctl/read/write/close) are moved into the fb pseudo-device driver, which uses the the "fbdriver" methods to work on any given pmax hardware driver. Framebuffers supported are: sfb cfb mfb xcfb pm. Move the qvss (pm) -style mmap()ed device interface, kernel tracking of mouse button/movement events, and placing mouse/keyboard events in an mmap()ed ring buffer, out of the framebuffer device drivers and into separate source files. The fb pseudo-device driver uses the qvss-compatible interface, since that's what the (R5) X server uses.
618 lines
14 KiB
C
618 lines
14 KiB
C
/* $NetBSD: pm.c,v 1.7 1995/09/11 07:45:43 jonathan Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell and Rick Macklem.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)pm.c 8.1 (Berkeley) 6/10/93
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*/
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/*
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* devGraphics.c --
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*
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* This file contains machine-dependent routines for the graphics device.
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*
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* Copyright (C) 1989 Digital Equipment Corporation.
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies.
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* Digital Equipment Corporation makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* from: Header: /sprite/src/kernel/dev/ds3100.md/RCS/devGraphics.c,
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* v 9.2 90/02/13 22:16:24 shirriff Exp SPRITE (DECWRL)";
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*/
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#include <fb.h>
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#include <pm.h>
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#include <dc.h>
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#if NPM > 0
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#if NDC == 0
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pm needs dc device
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#else
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/kernel.h>
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#include <sys/ioctl.h>
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#include <sys/file.h>
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#include <sys/errno.h>
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#include <sys/proc.h>
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#include <sys/mman.h>
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#include <vm/vm.h>
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#include <sys/device.h>
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#include <machine/autoconf.h>
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#include <machine/machConst.h>
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#include <machine/dc7085cons.h>
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#include <machine/pmioctl.h>
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#include <machine/fbio.h>
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#include <machine/fbvar.h>
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#include <pmax/pmax/kn01.h>
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#include <pmax/pmax/pmaxtype.h>
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#include <pmax/pmax/cons.h>
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#include <pmax/dev/fbreg.h>
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#include <pmax/dev/pmreg.h>
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#include <pmax/dev/bt478.h>
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/*
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* These need to be mapped into user space.
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*/
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struct fbuaccess pmu;
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static u_short curReg; /* copy of PCCRegs.cmdr since it's read only */
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/*
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* rcons methods and globals.
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*/
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struct pmax_fbtty pmfb;
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struct fbinfo pmfi; /*XXX*/
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/*
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* Forward references.
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*/
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extern void pmScreenInit __P((struct fbinfo *fi));
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static void pmLoadCursor __P((struct fbinfo *fi, u_short *ptr));
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void pmPosCursor __P((struct fbinfo *fi, int x, int y));
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#ifdef notyet /* these should be removed */
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static void pmRestoreCursorColor __P(());
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#endif
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void bt478CursorColor __P((struct fbinfo *fi, u_int *color));
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void bt478InitColorMap __P((struct fbinfo *fi));
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static void pmLoadColorMap __P ((ColorMap *ptr)); /*XXX*/
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int pminit __P((struct fbinfo *fi, int unit, int silent));
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static int pm_video_on __P ((struct fbinfo *));
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static int pm_video_off __P ((struct fbinfo *));
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int bt478LoadColorMap __P ((struct fbinfo *, caddr_t, int, int));
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int bt478GetColorMap __P ((struct fbinfo *, caddr_t, int, int));
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#if 0
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static void pmVDACInit();
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void pmKbdEvent(), pmMouseEvent(), pmMouseButtons();
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#endif
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/* pm framebuffers are only found in {dec,vax}station 3100s with dc7085s */
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extern void dcPutc();
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extern void (*dcDivertXInput)();
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extern void (*dcMouseEvent)();
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extern void (*dcMouseButtons)();
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extern int pmax_boardtype;
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extern u_short defCursor[32];
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void genConfigMouse(), genDeconfigMouse();
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void genKbdEvent(), genMouseEvent(), genMouseButtons();
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extern void pmEventQueueInit __P((pmEventQueue *qe));
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#define CMAP_BITS (3 * 256) /* 256 entries, 3 bytes per. */
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static u_char cmap_bits [NPM * CMAP_BITS]; /* One colormap per pm... */
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/*
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* Autoconfiguration data for config.new.
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* Use static-sized softc until config.old and old autoconfig
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* code is completely gone.
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*/
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int pmmatch __P((struct device *, void *, void *));
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void pmattach __P((struct device *, struct device *, void *));
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struct cfdriver pmcd = {
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NULL, "pm", pmmatch, pmattach, DV_DULL, sizeof(struct device), 0
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};
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/* new-style raster-cons "driver" methods */
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struct fbdriver pm_driver = {
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pm_video_on,
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pm_video_off,
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bt478InitColorMap,
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bt478GetColorMap,
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bt478LoadColorMap,
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pmPosCursor,
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pmLoadCursor,
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bt478CursorColor,
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};
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int
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pmmatch(parent, match, aux)
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struct device *parent;
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void *match;
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void *aux;
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{
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struct cfdata *cf = match;
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struct confargs *ca = aux;
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static int npms = 1;
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caddr_t pmaddr = BUS_CVTADDR(ca);
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/* make sure that we're looking for this type of device. */
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if (!BUS_MATCHNAME(ca, "pm"))
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return (0);
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if (badaddr(pmaddr, 4))
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return (0);
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#ifdef notyet
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/* if it can't have the one mentioned, reject it */
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if (cf->cf_unit >= npms)
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return (0);
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#endif
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return (1);
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}
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void
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pmattach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct confargs *ca = aux;
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caddr_t pmaddr = BUS_CVTADDR(ca);
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if (!pminit(&pmfi, 0, 0))
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return;
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/* no interrupts for PM */
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/*BUS_INTR_ESTABLISH(ca, sccintr, self->dv_unit);*/
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return;
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}
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/*
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* Test to see if device is present.
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* Return true if found and initialized ok.
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*/
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pminit(fi, unit, silent)
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struct fbinfo *fi;
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int unit;
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int silent;
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{
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register PCCRegs *pcc = (PCCRegs *)MACH_PHYS_TO_UNCACHED(KN01_SYS_PCC);
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/* Set address of frame buffer... */
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fi->fi_pixels = (caddr_t)MACH_PHYS_TO_UNCACHED(KN01_PHYS_FBUF_START);
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/* Fill in the stuff that differs from monochrome to color. */
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if (*(volatile u_short *)MACH_PHYS_TO_UNCACHED(KN01_SYS_CSR) &
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KN01_CSR_MONO) {
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/* check for no frame buffer */
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if (badaddr((char *)fi->fi_pixels, 4))
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return (0);
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fi->fi_type.fb_depth = 1;
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fi->fi_type.fb_cmsize = 0;
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fi->fi_type.fb_boardtype = PMAX_FBTYPE_PM_MONO;
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fi->fi_type.fb_size = 0x40000;
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fi->fi_linebytes = 256;
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} else {
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fi->fi_type.fb_depth = 8;
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fi->fi_type.fb_cmsize = 256;
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fi->fi_type.fb_boardtype = PMAX_FBTYPE_PM_COLOR;
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fi->fi_type.fb_size = 0x100000;
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fi->fi_linebytes = 1024;
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}
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/* Fill in main frame buffer info struct. */
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fi->fi_pixelsize =
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((fi->fi_type.fb_depth == 1) ? 1024 / 8 : 1024) * 864;
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fi->fi_unit = unit;
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fi->fi_base = (caddr_t)pcc;
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fi->fi_vdac = (caddr_t)MACH_PHYS_TO_UNCACHED(KN01_SYS_VDAC);
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fi->fi_blanked = 0;
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fi->fi_cmap_bits = (caddr_t)&cmap_bits [CMAP_BITS * unit];
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fi->fi_type.fb_width = 1024;
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fi->fi_type.fb_height = 864;
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/*
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* compatibility glue
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*/
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fi->fi_glasstty = &pmfb;
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/*
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* Must be in Uncached space since the fbuaccess structure is
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* mapped into the user's address space uncached.
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*/
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fi->fi_fbu = (struct fbuaccess *)
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MACH_PHYS_TO_UNCACHED(MACH_CACHED_TO_PHYS(&pmu));
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fi->fi_glasstty->KBDPutc = dcPutc;
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fi->fi_glasstty->kbddev = makedev(DCDEV, DCKBD_PORT);
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if (fi->fi_type.fb_depth == 1) {
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/* check for no frame buffer */
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if (badaddr((char *)fi->fi_pixels, 4))
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return (0);
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}
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/*
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* Initialize the screen.
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*/
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pcc->cmdr = PCC_FOPB | PCC_VBHI;
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/*
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* Initialize the cursor register.
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*/
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pcc->cmdr = curReg = PCC_ENPA | PCC_ENPB;
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/*
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* Initialize the color map, the screen, and the mouse.
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*/
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bt478init(&pmfi);
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/*
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* Initialize old-style pmax screen info.
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*/
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fi->fi_fbu->scrInfo.max_row = 56;
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fi->fi_fbu->scrInfo.max_col = 80;
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init_pmaxfbu(fi);
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/* These are non-zero on the kn01 framebuffer. Why? */
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fi->fi_fbu->scrInfo.min_cur_x = -15;
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fi->fi_fbu->scrInfo.min_cur_y = -15;
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#ifdef notanymore
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bt478InitColorMap(&pmfi); /* done inside bt478init() */
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#endif
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/*
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* Connect to the raster-console pseudo-driver.
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*/
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fi->fi_glasstty = &pmfb; /*XXX*/
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fbconnect((fi->fi_type.fb_depth == 1) ? "KN01 mfb" : "KN01 cfb",
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fi, silent);
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#ifdef fpinitialized
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fp->initialized = 1;
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#endif
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return (1);
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}
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static u_char bg_RGB[3]; /* background color for the cursor */
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static u_char fg_RGB[3]; /* foreground color for the cursor */
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/*
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* ----------------------------------------------------------------------------
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*
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* pmLoadCursor --
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*
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* Routine to load the cursor Sprite pattern.
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*
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* Results:
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* None.
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*
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* Side effects:
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* The cursor is loaded into the hardware cursor.
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*
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* ----------------------------------------------------------------------------
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*/
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static void
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pmLoadCursor(fi, cur)
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struct fbinfo *fi;
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unsigned short *cur;
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{
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register PCCRegs *pcc = (PCCRegs *)MACH_PHYS_TO_UNCACHED(KN01_SYS_PCC);
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register int i;
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curReg |= PCC_LODSA;
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pcc->cmdr = curReg;
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for (i = 0; i < 32; i++) {
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pcc->memory = cur[i];
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MachEmptyWriteBuffer();
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}
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curReg &= ~PCC_LODSA;
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pcc->cmdr = curReg;
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}
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#if 0
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/*
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* ----------------------------------------------------------------------------
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*
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* pmRestoreCursorColor --
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*
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* Routine to restore the color of the cursor.
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*
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* Results:
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* None.
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*
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* Side effects:
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* None.
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*
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* ----------------------------------------------------------------------------
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*/
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static void
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pmRestoreCursorColor(fi)
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struct fbinfo *fi;
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{
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register VDACRegs *vdac = (VDACRegs *)MACH_PHYS_TO_UNCACHED(KN01_SYS_VDAC);
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register int i;
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vdac->overWA = 0x04;
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MachEmptyWriteBuffer();
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for (i = 0; i < 3; i++) {
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vdac->over = bg_RGB[i];
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MachEmptyWriteBuffer();
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}
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vdac->overWA = 0x08;
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MachEmptyWriteBuffer();
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vdac->over = 0x00;
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MachEmptyWriteBuffer();
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vdac->over = 0x00;
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MachEmptyWriteBuffer();
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vdac->over = 0x7f;
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MachEmptyWriteBuffer();
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vdac->overWA = 0x0c;
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MachEmptyWriteBuffer();
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for (i = 0; i < 3; i++) {
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vdac->over = fg_RGB[i];
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MachEmptyWriteBuffer();
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}
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}
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/*
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* ----------------------------------------------------------------------------
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*
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* pmCursorColor --
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*
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* Set the color of the cursor.
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*
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* Results:
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* None.
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*
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* Side effects:
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* None.
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*
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* ----------------------------------------------------------------------------
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*/
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static void
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pmCursorColor(color)
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unsigned int color[];
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{
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register int i, j;
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for (i = 0; i < 3; i++)
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bg_RGB[i] = (u_char)(color[i] >> 8);
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for (i = 3, j = 0; i < 6; i++, j++)
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fg_RGB[j] = (u_char)(color[i] >> 8);
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pmRestoreCursorColor();
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}
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/*
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* ----------------------------------------------------------------------------
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*
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* pmInitColorMap --
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*
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* Initialize the color map.
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*
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* Results:
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* None.
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*
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* Side effects:
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* The colormap is initialized appropriately whether it is color or
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* monochrome.
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*
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* ----------------------------------------------------------------------------
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*/
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static void
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pmInitColorMap()
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{
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register VDACRegs *vdac = (VDACRegs *)MACH_PHYS_TO_UNCACHED(KN01_SYS_VDAC);
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register int i;
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*(volatile char *)MACH_PHYS_TO_UNCACHED(KN01_PHYS_COLMASK_START) = 0xff;
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MachEmptyWriteBuffer();
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if (fi->fi_type.fb_depth == 1) {
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vdac->mapWA = 0; MachEmptyWriteBuffer();
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for (i = 0; i < 256; i++) {
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vdac->map = (i < 128) ? 0x00 : 0xff;
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MachEmptyWriteBuffer();
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vdac->map = (i < 128) ? 0x00 : 0xff;
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MachEmptyWriteBuffer();
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vdac->map = (i < 128) ? 0x00 : 0xff;
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MachEmptyWriteBuffer();
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}
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} else {
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vdac->mapWA = 0; MachEmptyWriteBuffer();
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vdac->map = 0; MachEmptyWriteBuffer();
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vdac->map = 0; MachEmptyWriteBuffer();
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vdac->map = 0; MachEmptyWriteBuffer();
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for (i = 1; i < 256; i++) {
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vdac->map = 0xff; MachEmptyWriteBuffer();
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vdac->map = 0xff; MachEmptyWriteBuffer();
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vdac->map = 0xff; MachEmptyWriteBuffer();
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}
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}
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for (i = 0; i < 3; i++) {
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bg_RGB[i] = 0x00;
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fg_RGB[i] = 0xff;
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}
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pmRestoreCursorColor();
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}
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#endif /* 0 */
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/* should zap pmloadcolormap too, but i haven't fixed the callers yet */
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/*
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* ----------------------------------------------------------------------------
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*
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* pmLoadColorMap --
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*
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* Load the color map.
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*
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* Results:
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* None.
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*
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* Side effects:
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* The color map is loaded.
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*
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* ----------------------------------------------------------------------------
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*/
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static void
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pmLoadColorMap(ptr)
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ColorMap *ptr;
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|
{
|
|
register VDACRegs *vdac = (VDACRegs *)MACH_PHYS_TO_UNCACHED(KN01_SYS_VDAC);
|
|
|
|
if (ptr->index > 256)
|
|
return;
|
|
|
|
vdac->mapWA = ptr->index; MachEmptyWriteBuffer();
|
|
vdac->map = ptr->Entry.red; MachEmptyWriteBuffer();
|
|
vdac->map = ptr->Entry.green; MachEmptyWriteBuffer();
|
|
vdac->map = ptr->Entry.blue; MachEmptyWriteBuffer();
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
*----------------------------------------------------------------------
|
|
*
|
|
* pmPosCursor --
|
|
*
|
|
* Postion the cursor.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* None.
|
|
*
|
|
*----------------------------------------------------------------------
|
|
*/
|
|
void
|
|
pmPosCursor(fi, x, y)
|
|
register struct fbinfo *fi;
|
|
register int x, y;
|
|
{
|
|
register PCCRegs *pcc = (PCCRegs *)MACH_PHYS_TO_UNCACHED(KN01_SYS_PCC);
|
|
|
|
if (y < fi->fi_fbu->scrInfo.min_cur_y ||
|
|
y > fi->fi_fbu->scrInfo.max_cur_y)
|
|
y = fi->fi_fbu->scrInfo.max_cur_y;
|
|
if (x < fi->fi_fbu->scrInfo.min_cur_x ||
|
|
x > fi->fi_fbu->scrInfo.max_cur_x)
|
|
x = fi->fi_fbu->scrInfo.max_cur_x;
|
|
fi->fi_fbu->scrInfo.cursor.x = x; /* keep track of real cursor */
|
|
fi->fi_fbu->scrInfo.cursor.y = y; /* position, indep. of mouse */
|
|
pcc->xpos = PCC_X_OFFSET + x;
|
|
pcc->ypos = PCC_Y_OFFSET + y;
|
|
}
|
|
|
|
/* enable the video display. */
|
|
|
|
static int pm_video_on (fi)
|
|
struct fbinfo *fi;
|
|
{
|
|
register PCCRegs *pcc = (PCCRegs *)fi -> fi_base;
|
|
|
|
if (!fi -> fi_blanked)
|
|
return 0;
|
|
|
|
pcc -> cmdr = curReg & ~(PCC_FOPA | PCC_FOPB);
|
|
bt478RestoreCursorColor (fi);
|
|
fi -> fi_blanked = 0;
|
|
return 0;
|
|
}
|
|
|
|
/* disable the video display. */
|
|
|
|
static int pm_video_off (fi)
|
|
struct fbinfo *fi;
|
|
{
|
|
register PCCRegs *pcc = (PCCRegs *)fi -> fi_base;
|
|
|
|
if (fi -> fi_blanked)
|
|
return 0;
|
|
|
|
bt478BlankCursor (fi);
|
|
pcc -> cmdr = curReg | PCC_FOPA | PCC_FOPB;
|
|
fi -> fi_blanked = 1;
|
|
return 0;
|
|
}
|
|
|
|
#endif /* NDC */
|
|
#endif /* NPM */
|