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

256 lines
6.4 KiB
C

/* $NetBSD: fb.c,v 1.39 2003/08/07 16:29:09 agc Exp $ */
/*-
* 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. 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.
*
* @(#)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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fb.c,v 1.39 2003/08/07 16:29:09 agc Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ioctl.h>
#include <sys/device.h>
#include <sys/poll.h>
#include <sys/malloc.h>
#include <sys/conf.h>
#include <dev/cons.h>
#include <dev/sun/fbio.h>
#include <machine/fbvar.h>
#include <machine/pmioctl.h>
#include <pmax/dev/fbreg.h>
#include <pmax/dev/qvssvar.h>
#include <pmax/dev/rconsvar.h>
#include <pmax/pmax/pmaxtype.h>
#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 */
#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>
#include "fb.h"
static int fbndevs;
struct fbinfo fi_console;
struct fbinfo *fbdevs[NFB];
static u_int8_t cmap_bits[768]; /* colormap for console */
/*
* 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;
/*
* attach routine: required for pseudo-device
*/
void
fbattach(n)
int n;
{
}
void
fbcnalloc(fip)
struct fbinfo **fip;
{
struct fbinfo *fi = &fi_console;
firstfi = fi; /* XXX */
fi->fi_cmap_bits = cmap_bits;
fbdevs[fbndevs++] = fi;
*fip = fi;
}
int
fballoc(fip)
struct fbinfo **fip;
{
struct fbinfo *fi;
if (fbndevs >= NFB)
return (-1);
fi = malloc(sizeof(struct fbinfo), M_DEVBUF, M_NOWAIT);
if (fi == NULL)
goto nomemory;
fi->fi_cmap_bits = malloc(768, M_DEVBUF, M_NOWAIT);
if (fi->fi_cmap_bits == NULL) {
free(fi, M_DEVBUF);
goto nomemory;
}
if (fbndevs == 0) /* XXX */
firstfi = fi; /* XXX */
*fip = fbdevs[fbndevs++] = fi;
return (0);
nomemory:
return (-1);
}
void
fbconnect(fi)
struct fbinfo *fi;
{
if (&fi_console == fi)
rcons_connect(fi);
}
#include "fb_usrreq.c" /* old pm-compatible driver that supports X11R5/R6 */
/*
* 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)
printf("tb_kbdmouseconfig: given non-console framebuffer\n");
#endif
return 1;
}
switch (systype) {
#if NDC > 0
case DS_PMAX:
case DS_3MAX:
{
extern const struct cdevsw dc_cdevsw;
int maj;
maj = cdevsw_lookup_major(&dc_cdevsw);
fi->fi_glasstty->KBDPutc = dcPutc;
fi->fi_glasstty->kbddev = makedev(maj, DCKBD_PORT);
break;
}
#endif /* NDC */
#if NSCC > 0
case DS_3MIN:
case DS_3MAXPLUS:
{
extern const struct cdevsw scc_cdevsw;
int maj;
maj = cdevsw_lookup_major(&scc_cdevsw);
fi->fi_glasstty->KBDPutc = sccPutc;
fi->fi_glasstty->kbddev = makedev(maj, SCCKBD_PORT);
break;
}
#endif /* NSCC */
#if NDTOP > 0
case DS_MAXINE:
{
extern const struct cdevsw dtop_cdevsw;
int maj;
maj = cdevsw_lookup_major(&dtop_cdevsw);
fi->fi_glasstty->KBDPutc = dtopKBDPutc;
fi->fi_glasstty->kbddev = makedev(maj, DTOPKBD_PORT);
break;
}
#endif /* NDTOP */
default:
printf("Can't configure keyboard/mouse\n");
return (1);
};
return (0);
}