NetBSD/sys/arch/pmax/dev/fb.c

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/* $NetBSD: fb.c,v 1.18 1996/10/14 04:55:26 jonathan Exp $ */
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/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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 OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
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* @(#)fb.c 8.1 (Berkeley) 6/10/93
*/
/*
* devGraphics.c --
*
* This file contains machine-dependent routines for the graphics device.
*
* Copyright (C) 1989 Digital Equipment Corporation.
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies.
* Digital Equipment Corporation makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* from: Header: /sprite/src/kernel/dev/ds3100.md/RCS/devGraphics.c,
* v 9.2 90/02/13 22:16:24 shirriff Exp SPRITE (DECWRL)";
*/
/*
* This file has all the routines common to the various frame buffer drivers
* including a generic ioctl routine. The pmax_fb structure is passed into the
* routines and has device specifics stored in it.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ioctl.h>
#include <sys/device.h>
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#include <sys/poll.h>
#include <sys/tty.h>
#include <sys/time.h>
#include <sys/kernel.h>
#include <sys/ioctl.h>
#include <sys/file.h>
#include <sys/vnode.h>
#include <sys/errno.h>
#include <sys/proc.h>
#include <sys/mman.h>
#include <sys/syslog.h>
#include <vm/vm.h>
#include <miscfs/specfs/specdev.h>
#include <machine/autoconf.h>
#include <sys/conf.h>
#include <machine/conf.h>
#include <mips/cpuregs.h> /* mips cached->uncached */
#include <machine/pmioctl.h>
#include <machine/fbio.h>
#include <machine/fbvar.h>
#include <pmax/dev/fbreg.h>
#include <pmax/dev/qvssvar.h>
#include <pmax/stand/dec_prom.h>
#include <pmax/pmax/cons.h>
#include <pmax/pmax/pmaxtype.h>
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#include "rasterconsole.h"
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#include "dc.h"
#include "scc.h"
#include "dtop.h"
/*
* This framebuffer driver is a generic driver for all supported
* framebuffers on NetBSD/pmax. The match and attach functions call
* out to probe/init functions in subdrivers for each specific baseboard or
* expansion bus framebuffers. The driver softc are maintained here, as
* are the handlers for user-level requests (open/ioctl/close).
*
* Hardware dependencies are handled by calls through the "fbdriver"
* method table, which the subdriver
*/
/* qvss/pm compatible and old 4.4bsd/pmax driver functions */
extern int pmax_boardtype;
extern void fbScreenInit __P (( struct fbinfo *fi));
#if NDC > 0
#include <machine/dc7085cons.h>
#include <pmax/dev/dcvar.h>
#endif
#if NDTOP > 0
#include <pmax/dev/dtopvar.h>
#endif
#if NSCC > 0
#include <pmax/tc/sccvar.h>
#endif
/*
* LK-201 and successor keycode mapping
*/
#include <pmax/dev/lk201var.h>
extern void rcons_connect __P((struct fbinfo *info)); /* XXX */
/*
* The "blessed" framebuffer; the fb that gets
* the qvss-style ring buffer of mouse/kbd events, and is used
* for glass-tty fb console output.
*/
struct fbinfo *firstfi = NULL;
/*
* The default cursor.
*/
u_short defCursor[32] = {
/* plane A */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF,
0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF,
/* plane B */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF,
0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF
};
/*
* Pro-tem framebuffer pseudo-device driver
*/
#include <sys/device.h>
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#include "fb.h"
static struct {
struct fbinfo *cd_devs[NFB];
int cd_ndevs;
} fbcd = { {NULL}, 0} ;
void fbattach __P((int n));
/*
* attach routine: required for pseudo-device
*/
void
fbattach(n)
int n;
{
/* allocate space for n framebuffers... */
}
/*
* Connect a framebuffer, described by a struct fbinfo, to the
* raster-console pseudo-device subsystem. )This would be done
* with BStreams, if only we had them.)
*/
void
fbconnect (name, info, silent)
char *name;
struct fbinfo *info;
int silent;
{
int fbix;
static int first = 1;
#ifndef FBDRIVER_DOES_ATTACH
/*
* See if we've already configured this frame buffer;
* if not, find an "fb" pseudo-device entry for it.
*/
for (fbix = 0; fbix < fbcd.cd_ndevs; fbix++)
if ((fbcd.cd_devs [fbix]->fi_type.fb_boardtype
== info -> fi_type.fb_boardtype)
&& fbcd.cd_devs [fbix]->fi_unit == info -> fi_unit)
goto got_it;
if (fbcd.cd_ndevs >= NFB) {
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printf ("fb: more frame buffers probed than configured!\n");
return;
}
fbix = fbcd.cd_ndevs++;
fbcd.cd_devs [fbix] = info;
#endif /* FBDRIVER_DOES_ATTACH */
/*
* If this is the first frame buffer we've seen, pass it to rcons.
*/
if (first) {
extern dev_t cn_in_dev; /* XXX rcons hackery */
/* Only the first fb gets 4.4bsd/pmax style event ringbuffer */
firstfi = info;
#if NRASTERCONSOLE > 0
/*XXX*/ cn_in_dev = cn_tab->cn_dev; /*XXX*/ /* FIXME */
rcons_connect (info);
#endif /* NRASTERCONSOLE */
first = 0;
}
got_it:
if (!silent)
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printf (" (%dx%dx%d)%s",
info -> fi_type.fb_width,
info -> fi_type.fb_height,
info -> fi_type.fb_depth,
(fbix ? ""
: ((cn_tab -> cn_pri == CN_REMOTE)
? "" : " (console)")));
return;
}
#include "fb_usrreq.c" /* old pm-compatblie driver that supports X11R5 */
/*
* Configure the keyboard/mouse based on machine type for turbochannel
* display boards.
*/
int
tb_kbdmouseconfig(fi)
struct fbinfo *fi;
{
if (fi == NULL || fi->fi_glasstty == NULL) {
#if defined(DEBUG) || defined(DIAGNOSTIC)
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printf("tb_kbdmouseconfig: given non-console framebuffer\n");
#endif
return 1;
}
switch (pmax_boardtype) {
#if NDC > 0
case DS_PMAX:
case DS_3MAX:
fi->fi_glasstty->KBDPutc = dcPutc;
fi->fi_glasstty->kbddev = makedev(DCDEV, DCKBD_PORT);
break;
#endif /* NDC */
#if NSCC > 0
case DS_3MIN:
case DS_3MAXPLUS:
fi->fi_glasstty->KBDPutc = sccPutc;
fi->fi_glasstty->kbddev = makedev(SCCDEV, SCCKBD_PORT);
break;
#endif /* NSCC */
#if NDTOP > 0
case DS_MAXINE:
fi->fi_glasstty->KBDPutc = dtopKBDPutc;
fi->fi_glasstty->kbddev = makedev(DTOPDEV, DTOPKBD_PORT);
break;
#endif /* NDTOP */
default:
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printf("Can't configure keyboard/mouse\n");
return (1);
};
return (0);
}
/*
* pre-rcons glass-tty emulator (stub)
*/
void
fbScreenInit(fi)
struct fbinfo *fi;
{
/* how to do this on rcons ? */
}