686 lines
17 KiB
C
686 lines
17 KiB
C
/* $NetBSD: qvss_compat.c,v 1.8 1997/05/25 10:53:33 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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* @(#)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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* The LK201 keycode mapping routine is also here along with initialization
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* functions for the keyboard and mouse.
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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/device.h>
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#include <sys/select.h>
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#include <sys/time.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/mman.h>
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#include <sys/vnode.h>
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#include <vm/vm.h>
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#include <miscfs/specfs/specdev.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/dev/fbreg.h> /* XXX should be renamed fbvar.h */
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#include <pmax/dev/lk201.h>
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/*#include <pmax/stand/dec_prom.h>*/
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#include <pmax/pmax/cons.h>
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#include <pmax/pmax/pmaxtype.h>
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#include "dc_ds.h"
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#include "dc_ioasic.h"
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#include "scc.h"
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#include "dtop.h"
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/*
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* Forward / extern references.
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*/
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#include <pmax/dev/qvssvar.h> /* our own externs */
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struct termios; struct dcregs;
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#include <pmax/dev/dtopvar.h> /* dtop console I/O decls */
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#include <pmax/tc/sccvar.h> /* ioasic z8530 I/O decls */
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#include <pmax/dev/dcvar.h> /* DZ-11 chip console I/O */
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extern int pmax_boardtype;
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/*
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* Prototypes of local functions
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*/
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extern void pmEventQueueInit __P((pmEventQueue *qe));
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void genKbdEvent __P((int ch));
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void genMouseEvent __P((MouseReport *newRepPtr));
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void genMouseButtons __P((MouseReport *newRepPtr));
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void genConfigMouse __P((void));
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void genDeconfigMouse __P((void));
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void mouseInput __P((int cc));
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#if NSCC > 0
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extern void (*sccDivertXInput) __P((int cc));
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extern void (*sccMouseEvent) __P((int));
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extern void (*sccMouseButtons) __P((int));
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#endif
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extern struct fbinfo *firstfi;
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/*
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* Initialize the old-style pmax framebuffer structure from a new-style
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* rcons structure. Can die when all the old style pmax_fb structures
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* are gone. Note that the QVSS/pm mapped event buffer includes the
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* fbu field initialized below.
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*/
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void
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init_pmaxfbu(fi)
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struct fbinfo *fi;
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{
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int tty_rows, tty_cols; /* rows, cols for glass-tty mode */
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register struct fbuaccess *fbu = NULL;
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if (fi == NULL || fi->fi_fbu == NULL)
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panic("init_pmaxfb: given null pointer to framebuffer\n");
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/* XXX don't rely on there being a pmax_fb struct */
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fbu = fi->fi_fbu;
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/* fb dimensions */
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fbu->scrInfo.max_x = fi->fi_type.fb_width;
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fbu->scrInfo.max_y = fi->fi_type.fb_height;
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fbu->scrInfo.max_cur_x = fbu->scrInfo.max_x - 1;
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fbu->scrInfo.max_cur_y = fbu->scrInfo.max_y - 1;
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/* these have the same initial value on qvss-style framebuffers */
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fbu->scrInfo.version = 11;
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fbu->scrInfo.mthreshold = 4;
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fbu->scrInfo.mscale = 2;
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/* this is not always right (pm on kn01) but it's a common case */
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fbu->scrInfo.min_cur_x = 0;
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fbu->scrInfo.min_cur_y = 0;
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/*
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* Compute glass-tty dimensions. These don't belong here
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* anymore, but the Ultrix and 4.3+ bsd drivers put them
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* in the event structure mapped into user address space.
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*/
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tty_cols = 80;
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/* A guess, but correct for 1024x864, 1024x768 and 1280x1024 */
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tty_rows = (fi->fi_type.fb_height / 15) - 1;
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if (tty_rows != fbu->scrInfo.max_row ||
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tty_cols != fbu->scrInfo.max_col)
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printf("framebuffer init: size mismatch: given %dx%d, compute %dx%d\n",
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fbu->scrInfo.max_row, fbu->scrInfo.max_col,
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tty_rows, tty_cols);
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pmEventQueueInit(&fi->fi_fbu->scrInfo.qe);
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}
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/*
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* Initialize the qvss-style ringbuffer of mouse button/move
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* events to be empty. Called both when initializing the
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* console softc and on each new open of that device.
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*/
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void
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pmEventQueueInit(qe)
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pmEventQueue *qe;
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{
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qe->timestamp_ms = TO_MS(time);
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qe->eSize = PM_MAXEVQ;
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qe->eHead = qe->eTail = 0;
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qe->tcSize = MOTION_BUFFER_SIZE;
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qe->tcNext = 0;
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}
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/*
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*----------------------------------------------------------------------
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*
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* fbKbdEvent --
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*
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* Process a received character.
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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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* Events added to the queue.
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*
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*----------------------------------------------------------------------
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*/
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void
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fbKbdEvent(ch, fi)
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int ch;
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register struct fbinfo *fi;
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{
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register pmEvent *eventPtr;
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int i;
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register struct fbuaccess *fbu = NULL;
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if (!fi->fi_open)
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return;
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fbu = fi->fi_fbu;
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/*
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* See if there is room in the queue.
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*/
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i = PM_EVROUND(fbu->scrInfo.qe.eTail + 1);
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if (i == fbu->scrInfo.qe.eHead)
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return;
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/*
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* Add the event to the queue.
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*/
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eventPtr = &fbu->events[fbu->scrInfo.qe.eTail];
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eventPtr->type = BUTTON_RAW_TYPE;
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eventPtr->device = KEYBOARD_DEVICE;
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eventPtr->x = fbu->scrInfo.mouse.x;
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eventPtr->y = fbu->scrInfo.mouse.y;
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eventPtr->time = TO_MS(time);
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eventPtr->key = ch;
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fbu->scrInfo.qe.eTail = i;
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selwakeup(&fi->fi_selp);
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}
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/*
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*----------------------------------------------------------------------
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*
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* fbMouseEvent --
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*
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* Process a mouse event.
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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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* An event is added to the event queue.
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*
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*----------------------------------------------------------------------
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*/
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void
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fbMouseEvent(newRepPtr, fi)
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register MouseReport *newRepPtr;
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register struct fbinfo *fi;
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{
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unsigned milliSec;
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int i;
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pmEvent *eventPtr;
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register struct fbuaccess *fbu = NULL;
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if (!fi->fi_open)
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return;
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fbu = fi->fi_fbu;
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milliSec = TO_MS(time);
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/*
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* Check to see if we have to accelerate the mouse
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*/
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if (fbu->scrInfo.mscale >= 0) {
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if (newRepPtr->dx >= fbu->scrInfo.mthreshold) {
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newRepPtr->dx +=
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(newRepPtr->dx - fbu->scrInfo.mthreshold) *
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fbu->scrInfo.mscale;
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}
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if (newRepPtr->dy >= fbu->scrInfo.mthreshold) {
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newRepPtr->dy +=
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(newRepPtr->dy - fbu->scrInfo.mthreshold) *
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fbu->scrInfo.mscale;
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}
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}
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/*
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* Update mouse position
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*/
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if (newRepPtr->state & MOUSE_X_SIGN) {
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fbu->scrInfo.mouse.x += newRepPtr->dx;
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if (fbu->scrInfo.mouse.x > fbu->scrInfo.max_cur_x)
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fbu->scrInfo.mouse.x = fbu->scrInfo.max_cur_x;
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} else {
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fbu->scrInfo.mouse.x -= newRepPtr->dx;
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if (fbu->scrInfo.mouse.x < fbu->scrInfo.min_cur_x)
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fbu->scrInfo.mouse.x = fbu->scrInfo.min_cur_x;
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}
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if (newRepPtr->state & MOUSE_Y_SIGN) {
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fbu->scrInfo.mouse.y -= newRepPtr->dy;
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if (fbu->scrInfo.mouse.y < fbu->scrInfo.min_cur_y)
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fbu->scrInfo.mouse.y = fbu->scrInfo.min_cur_y;
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} else {
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fbu->scrInfo.mouse.y += newRepPtr->dy;
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if (fbu->scrInfo.mouse.y > fbu->scrInfo.max_cur_y)
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fbu->scrInfo.mouse.y = fbu->scrInfo.max_cur_y;
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}
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/*
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* Move the hardware cursor.
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*/
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(*fi->fi_driver->fbd_poscursor)
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(fi, fbu->scrInfo.mouse.x, fbu->scrInfo.mouse.y);
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/*
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* Store the motion event in the motion buffer.
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*/
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fbu->tcs[fbu->scrInfo.qe.tcNext].time = milliSec;
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fbu->tcs[fbu->scrInfo.qe.tcNext].x = fbu->scrInfo.mouse.x;
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fbu->tcs[fbu->scrInfo.qe.tcNext].y = fbu->scrInfo.mouse.y;
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if (++fbu->scrInfo.qe.tcNext >= MOTION_BUFFER_SIZE)
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fbu->scrInfo.qe.tcNext = 0;
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if (fbu->scrInfo.mouse.y < fbu->scrInfo.mbox.bottom &&
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fbu->scrInfo.mouse.y >= fbu->scrInfo.mbox.top &&
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fbu->scrInfo.mouse.x < fbu->scrInfo.mbox.right &&
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fbu->scrInfo.mouse.x >= fbu->scrInfo.mbox.left)
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return;
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fbu->scrInfo.mbox.bottom = 0;
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if (PM_EVROUND(fbu->scrInfo.qe.eTail + 1) == fbu->scrInfo.qe.eHead)
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return;
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i = PM_EVROUND(fbu->scrInfo.qe.eTail - 1);
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if ((fbu->scrInfo.qe.eTail != fbu->scrInfo.qe.eHead) &&
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(i != fbu->scrInfo.qe.eHead)) {
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pmEvent *eventPtr;
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eventPtr = &fbu->events[i];
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if (eventPtr->type == MOTION_TYPE) {
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eventPtr->x = fbu->scrInfo.mouse.x;
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eventPtr->y = fbu->scrInfo.mouse.y;
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eventPtr->time = milliSec;
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eventPtr->device = MOUSE_DEVICE;
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return;
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}
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}
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/*
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* Put event into queue and wakeup any waiters.
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*/
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eventPtr = &fbu->events[fbu->scrInfo.qe.eTail];
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eventPtr->type = MOTION_TYPE;
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eventPtr->time = milliSec;
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eventPtr->x = fbu->scrInfo.mouse.x;
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eventPtr->y = fbu->scrInfo.mouse.y;
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eventPtr->device = MOUSE_DEVICE;
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fbu->scrInfo.qe.eTail = PM_EVROUND(fbu->scrInfo.qe.eTail + 1);
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selwakeup(&fi->fi_selp);
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}
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/*
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*----------------------------------------------------------------------
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*
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* fbMouseButtons --
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*
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* Process mouse buttons.
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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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void
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fbMouseButtons(newRepPtr, fi)
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MouseReport *newRepPtr;
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register struct fbinfo *fi;
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{
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static char temp, oldSwitch, newSwitch;
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int i, j;
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pmEvent *eventPtr;
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static MouseReport lastRep;
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register struct fbuaccess *fbu = NULL;
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if (!fi->fi_open)
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return;
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fbu = fi->fi_fbu;
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newSwitch = newRepPtr->state & 0x07;
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oldSwitch = lastRep.state & 0x07;
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temp = oldSwitch ^ newSwitch;
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if (temp == 0)
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return;
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for (j = 1; j < 8; j <<= 1) {
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if ((j & temp) == 0)
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continue;
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/*
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* Check for room in the queue
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*/
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i = PM_EVROUND(fbu->scrInfo.qe.eTail+1);
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if (i == fbu->scrInfo.qe.eHead)
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return;
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/*
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* Put event into queue.
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*/
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eventPtr = &fbu->events[fbu->scrInfo.qe.eTail];
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switch (j) {
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case RIGHT_BUTTON:
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eventPtr->key = EVENT_RIGHT_BUTTON;
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break;
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case MIDDLE_BUTTON:
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eventPtr->key = EVENT_MIDDLE_BUTTON;
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break;
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case LEFT_BUTTON:
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eventPtr->key = EVENT_LEFT_BUTTON;
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}
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if (newSwitch & j)
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eventPtr->type = BUTTON_DOWN_TYPE;
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else
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eventPtr->type = BUTTON_UP_TYPE;
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eventPtr->device = MOUSE_DEVICE;
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eventPtr->time = TO_MS(time);
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eventPtr->x = fbu->scrInfo.mouse.x;
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eventPtr->y = fbu->scrInfo.mouse.y;
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fbu->scrInfo.qe.eTail = i;
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}
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selwakeup(&fi->fi_selp);
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lastRep = *newRepPtr;
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fbu->scrInfo.mswitches = newSwitch;
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}
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/*
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* Use vm_mmap() to map the frame buffer and shared data into the user's
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* address space.
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* Return errno if there was an error.
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*/
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int
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fbmmap_fb(fi, dev, data, p)
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struct fbinfo *fi;
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dev_t dev;
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caddr_t data;
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struct proc *p;
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{
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int error;
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vm_offset_t addr;
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vm_size_t len;
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struct vnode vn;
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struct specinfo si;
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struct fbuaccess *fbp;
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register struct fbuaccess *fbu = fi->fi_fbu;
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len = mips_round_page(((vm_offset_t)fbu & PGOFSET) +
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sizeof(struct fbuaccess)) +
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mips_round_page(fi->fi_type.fb_size);
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addr = (vm_offset_t)0x20000000; /* XXX */
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vn.v_type = VCHR; /* XXX */
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vn.v_specinfo = &si; /* XXX */
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vn.v_rdev = dev; /* XXX */
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/*
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* Map the all the data the user needs access to into
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* user space.
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*/
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error = vm_mmap(&p->p_vmspace->vm_map, &addr, len,
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VM_PROT_ALL, VM_PROT_ALL, MAP_SHARED, (caddr_t)&vn,
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(vm_offset_t)0);
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if (error)
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return (error);
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fbp = (struct fbuaccess *)(addr + ((vm_offset_t)fbu & PGOFSET));
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*(PM_Info **)data = &fbp->scrInfo;
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fbu->scrInfo.qe.events = fbp->events;
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fbu->scrInfo.qe.tcs = fbp->tcs;
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fbu->scrInfo.planemask = (char *)0;
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/*
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* Map the frame buffer into the user's address space.
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*/
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fbu->scrInfo.bitmap = (char *)mips_round_page(fbp + 1);
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return (0);
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}
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/*
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* Generic functions for keyboard and mouse input.
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* Just use the "generic" qvss/pm-compatible functions above, but pass them
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* the soft state for the first framebuffer found on this system.
|
|
* We don't support more than one mouse, even for multiple
|
|
* framebuffers, so this should be adequate.
|
|
* It also relieves each fb driver from having to provide its own
|
|
* version of these functions.
|
|
*
|
|
* TODO: change the callers of these to pass a pointer to the struct fbinfo,
|
|
* thus finessing the problem.
|
|
*/
|
|
|
|
void
|
|
genKbdEvent(ch)
|
|
int ch;
|
|
{
|
|
fbKbdEvent(ch, firstfi);
|
|
}
|
|
|
|
void
|
|
genMouseEvent(newRepPtr)
|
|
MouseReport *newRepPtr;
|
|
{
|
|
fbMouseEvent(newRepPtr, firstfi);
|
|
}
|
|
|
|
void
|
|
genMouseButtons(newRepPtr)
|
|
MouseReport *newRepPtr;
|
|
{
|
|
fbMouseButtons(newRepPtr, firstfi);
|
|
}
|
|
|
|
/*
|
|
* Configure the mouse and keyboard based on machine type
|
|
*/
|
|
void
|
|
genConfigMouse()
|
|
{
|
|
int s;
|
|
|
|
s = spltty();
|
|
switch (pmax_boardtype) {
|
|
#if NDC_IOASIC > 0
|
|
case DS_3MAX:
|
|
dcDivertXInput = genKbdEvent;
|
|
dcMouseEvent = (void (*) __P((int)))genMouseEvent;
|
|
dcMouseButtons = (void (*) __P((int)))genMouseButtons;
|
|
break;
|
|
#endif /* NDC_IOASIC */
|
|
|
|
#if NDC_DS > 0
|
|
case DS_PMAX:
|
|
dcDivertXInput = genKbdEvent;
|
|
dcMouseEvent = (void (*) __P((int)))genMouseEvent;
|
|
dcMouseButtons = (void (*) __P((int)))genMouseButtons;
|
|
break;
|
|
#endif /* NDC_DS */
|
|
|
|
#if NSCC > 1
|
|
case DS_3MIN:
|
|
case DS_3MAXPLUS:
|
|
sccDivertXInput = genKbdEvent;
|
|
sccMouseEvent = genMouseEvent;
|
|
sccMouseButtons = genMouseButtons;
|
|
break;
|
|
#endif
|
|
#if NDTOP > 0
|
|
case DS_MAXINE:
|
|
dtopDivertXInput = genKbdEvent;
|
|
dtopMouseEvent = genMouseEvent;
|
|
dtopMouseButtons = genMouseButtons;
|
|
break;
|
|
#endif
|
|
default:
|
|
printf("Can't configure mouse/keyboard\n");
|
|
};
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
* and deconfigure them
|
|
*/
|
|
void
|
|
genDeconfigMouse()
|
|
{
|
|
int s;
|
|
|
|
s = spltty();
|
|
switch (pmax_boardtype) {
|
|
#if NDC_IOASIC > 0
|
|
case DS_3MAX:
|
|
|
|
dcDivertXInput = (void (*) __P((int)) )0;
|
|
dcMouseEvent = (void (*) __P((int)) )0;
|
|
dcMouseButtons = (void (*) __P((int)) )0;
|
|
break;
|
|
#endif /* NDC_IOASIC */
|
|
|
|
#if NDC_DS > 0
|
|
case DS_PMAX:
|
|
dcDivertXInput = (void (*) __P((int)) )0;
|
|
dcMouseEvent = (void (*) __P((int)) )0;
|
|
dcMouseButtons = (void (*) __P((int)) )0;
|
|
break;
|
|
#endif /* NDC_DS */
|
|
|
|
#if NSCC > 1
|
|
case DS_3MIN:
|
|
case DS_3MAXPLUS:
|
|
sccDivertXInput = (void (*) __P((int)) )0;
|
|
sccMouseEvent = (void (*) __P((MouseReport *)) )0;
|
|
sccMouseButtons = (void (*) __P((MouseReport *)) )0;
|
|
break;
|
|
#endif
|
|
|
|
#if NDTOP > 0
|
|
case DS_MAXINE:
|
|
dtopDivertXInput = (void (*) __P((int)) )0;
|
|
dtopMouseEvent = (void (*) __P((MouseReport *)) )0;
|
|
dtopMouseButtons = (void (*) __P((MouseReport *)) )0;
|
|
break;
|
|
#endif
|
|
default:
|
|
printf("Can't deconfigure mouse/keyboard\n");
|
|
};
|
|
}
|
|
|
|
|
|
/**
|
|
** And a mouse-report handler for redirected mouse input.
|
|
** Could arguably be in its own source file, but it's only
|
|
** used when the kernel is performing mouse tracking.
|
|
**/
|
|
|
|
/*
|
|
* Mouse-event parser. Called as an upcall with each character
|
|
* read from a serial port. Accumulates complete mouse-event
|
|
* reports and passes them up to framebuffer layer.
|
|
* Mouse events are reported as a 3-byte sequence:
|
|
* header+button state, delta-x, delta-y
|
|
*/
|
|
void
|
|
mouseInput(cc)
|
|
int cc;
|
|
{
|
|
register MouseReport *mrp;
|
|
static MouseReport currentRep;
|
|
|
|
mrp = ¤tRep;
|
|
mrp->byteCount++;
|
|
if (cc & MOUSE_START_FRAME) {
|
|
/*
|
|
* The first mouse report byte (button state).
|
|
*/
|
|
mrp->state = cc;
|
|
if (mrp->byteCount > 1)
|
|
mrp->byteCount = 1;
|
|
} else if (mrp->byteCount == 2) {
|
|
/*
|
|
* The second mouse report byte (delta x).
|
|
*/
|
|
mrp->dx = cc;
|
|
} else if (mrp->byteCount == 3) {
|
|
/*
|
|
* The final mouse report byte (delta y).
|
|
*/
|
|
mrp->dy = cc;
|
|
mrp->byteCount = 0;
|
|
if (mrp->dx != 0 || mrp->dy != 0) {
|
|
/*
|
|
* If the mouse moved,
|
|
* post a motion event.
|
|
*/
|
|
(genMouseEvent)(mrp);
|
|
}
|
|
(genMouseButtons)(mrp);
|
|
}
|
|
}
|