324 lines
8.3 KiB
C
324 lines
8.3 KiB
C
/* $NetBSD: fb.c,v 1.28 1999/09/05 11:34:30 simonb 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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* @(#)fb.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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/*
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* This file has all the routines common to the various frame buffer drivers
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* including a generic ioctl routine. The pmax_fb structure is passed into the
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* routines and has device specifics stored in it.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ioctl.h>
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#include <sys/device.h>
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#include <sys/poll.h>
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#include <sys/tty.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/syslog.h>
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#include <sys/malloc.h>
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#include <vm/vm.h>
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#include <miscfs/specfs/specdev.h>
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#include <machine/autoconf.h>
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#include <sys/conf.h>
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#include <machine/conf.h>
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#include <mips/cpuregs.h> /* mips cached->uncached */
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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/dev/fbreg.h>
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#include <pmax/dev/qvssvar.h>
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#include <pmax/pmax/cons.h>
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#include <pmax/pmax/pmaxtype.h>
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#include "rasterconsole.h"
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#include "dc_ioasic.h"
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#include "dc_ds.h"
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#include "scc.h"
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#include "dtop.h"
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/*
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* This framebuffer driver is a generic driver for all supported
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* framebuffers on NetBSD/pmax. The match and attach functions call
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* out to probe/init functions in subdrivers for each specific baseboard or
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* expansion bus framebuffers. The driver softc are maintained here, as
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* are the handlers for user-level requests (open/ioctl/close).
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*
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* Hardware dependencies are handled by calls through the "fbdriver"
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* method table, which the subdriver
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*/
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/* qvss/pm compatible and old 4.4bsd/pmax driver functions */
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extern void fbScreenInit __P (( struct fbinfo *fi));
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#if (NDC_DS > 0) || (NDC_IOASIC > 0)
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#include <machine/dc7085cons.h>
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#include <pmax/dev/dcvar.h>
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#endif
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#if NDTOP > 0
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#include <pmax/dev/dtopvar.h>
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#endif
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#if NSCC > 0
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#include <pmax/tc/sccvar.h>
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#endif
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/*
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* LK-201 and successor keycode mapping
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*/
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#include <pmax/dev/lk201var.h>
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extern void rcons_connect __P((struct fbinfo *info)); /* XXX */
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/*
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* The "blessed" framebuffer; the fb that gets
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* the qvss-style ring buffer of mouse/kbd events, and is used
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* for glass-tty fb console output.
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*/
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struct fbinfo *firstfi = NULL;
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/*
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* The default cursor.
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*/
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u_short defCursor[32] = {
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/* plane A */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF,
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0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF,
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/* plane B */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF,
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0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF
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};
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/*
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* Pro-tem framebuffer pseudo-device driver
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*/
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#include <sys/device.h>
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#include "fb.h"
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struct fbdev {
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struct fbinfo fd_info;
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caddr_t fd_base;
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} static fbdevs[NFB];
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static u_int fbndevs; /* number of devices */
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static u_char cmap_bits[768]; /* colormap for console */
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void fbattach __P((int n));
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/*
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* attach routine: required for pseudo-device
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*/
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void
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fbattach(n)
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int n;
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{
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}
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/*
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* Connect a framebuffer, described by a struct fbinfo, to the
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* raster-console pseudo-device subsystem. (This would be done
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* with BStreams, if only we had them.)
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*/
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void
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fbconnect (name, info, console)
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char *name;
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struct fbinfo *info;
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int console;
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{
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char *cstr;
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/*
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* If this is the first frame buffer we've seen, pass it to rcons.
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*/
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if (console) {
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extern dev_t cn_in_dev; /* XXX rcons hackery */
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/* Only the first fb gets 4.4bsd/pmax style event ringbuffer */
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firstfi = info;
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#if NRASTERCONSOLE > 0
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/*XXX*/ cn_in_dev = cn_tab->cn_dev; /*XXX*/ /* FIXME */
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rcons_connect (info);
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} else {
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cstr = (info == &fbdevs[0].fd_info ? " (console)" : "");
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#else
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} else {
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cstr = "";
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#endif /* NRASTERCONSOLE */
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printf(": %dx%dx%d%s", info->fi_type.fb_width,
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info->fi_type.fb_height, info->fi_type.fb_depth, cstr);
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}
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}
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/*
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* Allocate a 'struct fbinfo' for a new fb device. Return zero on success
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* (i.e. if the device has not been configured before). Always return ptr
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* to struct fbinfo in 'fip' for that device, unless there are more fb's
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* probed than configured.
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*/
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int
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fballoc(base, fip)
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caddr_t base;
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struct fbinfo **fip;
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{
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int i;
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if (base == NULL)
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printf("fballoc: base == NULL");
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for (i = 0; i < NFB; i++) {
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/* Free entry? */
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if (fbdevs[i].fd_base == NULL)
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break;
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/* Already configured? */
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if (fbdevs[i].fd_base == base) {
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*fip = &fbdevs[i].fd_info;
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return (-1);
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}
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}
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if (i == NFB) {
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printf("fballoc: more framebuffers probed than configured!\n");
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*fip = NULL;
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return (-1);
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}
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fbndevs = i + 1;
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fbdevs[i].fd_base = base;
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*fip = &fbdevs[i].fd_info;
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/* Console? */
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if (i == 0)
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(*fip)->fi_cmap_bits = cmap_bits;
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else {
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(*fip)->fi_cmap_bits = malloc(768, M_DEVBUF, M_NOWAIT);
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if ((*fip)->fi_cmap_bits == NULL) {
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printf("fballoc: no memory for cmap\n");
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return (-1);
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}
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}
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return (0);
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}
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#include "fb_usrreq.c" /* old pm-compatible driver that supports X11R5/R6 */
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/*
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* Configure the keyboard/mouse based on machine type for turbochannel
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* display boards.
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*/
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int
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tb_kbdmouseconfig(fi)
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struct fbinfo *fi;
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{
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if (fi == NULL || fi->fi_glasstty == NULL) {
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#if defined(DEBUG) || defined(DIAGNOSTIC)
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printf("tb_kbdmouseconfig: given non-console framebuffer\n");
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#endif
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return 1;
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}
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switch (systype) {
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#if (NDC_DS > 0) || (NDC_IOASIC > 0)
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case DS_PMAX:
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case DS_3MAX:
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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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break;
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#endif /* NDC_DS || NDC_IOASIC */
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#if NSCC > 0
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case DS_3MIN:
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case DS_3MAXPLUS:
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fi->fi_glasstty->KBDPutc = sccPutc;
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fi->fi_glasstty->kbddev = makedev(SCCDEV, SCCKBD_PORT);
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break;
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#endif /* NSCC */
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#if NDTOP > 0
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case DS_MAXINE:
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fi->fi_glasstty->KBDPutc = dtopKBDPutc;
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fi->fi_glasstty->kbddev = makedev(DTOPDEV, DTOPKBD_PORT);
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break;
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#endif /* NDTOP */
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default:
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printf("Can't configure keyboard/mouse\n");
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return (1);
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};
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return (0);
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}
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