1115 lines
26 KiB
C
1115 lines
26 KiB
C
/*-
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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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* from: @(#)sfb.c 8.1 (Berkeley) 6/10/93
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* $Id: sfb.c,v 1.2 1995/08/01 23:15:26 jonathan Exp $
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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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* $Id: sfb.c,v 1.2 1995/08/01 23:15:26 jonathan Exp $
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*/
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/*
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* Mach Operating System
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* Copyright (c) 1991,1990,1989 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include <sfb.h>
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#if NSFB > 0
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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 <sys/tty.h>
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#include <vm/vm.h>
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#include <machine/machConst.h>
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#include <machine/pmioctl.h>
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#include <pmax/pmax/maxine.h>
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#include <pmax/pmax/cons.h>
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#include <pmax/pmax/pmaxtype.h>
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#include <pmax/dev/device.h>
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#include <pmax/dev/cfbreg.h>
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#include <pmax/dev/fbreg.h>
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#include <dc.h>
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#include <dtop.h>
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#include <scc.h>
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#define PMAX /* enable /dev/pm compatibility */
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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 sfbu [NSFB];
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struct pmax_fb sfbfb [NSFB];
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/*
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* Forward references.
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*/
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int sfbprobe (struct pmax_ctlr *);
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int sfbopen (dev_t, int);
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int sfbclose (dev_t, int);
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int sfbioctl (dev_t, int, caddr_t, int, struct proc *);
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int sfbselect (dev_t, int, struct proc *);
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int sfbmap (dev_t, int, int);
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static void sfbLoadCursor (u_short *, struct pmax_fb *);
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static void bt459_set_cursor_ram (int, u_char, struct pmax_fb *);
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static void bt459_select_reg (bt459_regmap_t *, int);
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static void bt459_write_reg (bt459_regmap_t *, int, int);
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static u_char bt459_read_reg (bt459_regmap_t *, int);
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int sfbinit (char *, int);
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static void sfbScreenInit (struct pmax_fb *);
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static void sfbRestoreCursorColor (struct pmax_fb *);
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static void sfbCursorColor (unsigned int [], struct pmax_fb *);
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void sfbPosCursor (int, int, struct pmax_fb *);
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static void sfbInitColorMap (struct pmax_fb *);
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static void sfbLoadColorMap (ColorMap *, struct pmax_fb *);
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static void bt459_video_on (struct pmax_fb *);
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static void bt459_video_off (struct pmax_fb *);
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void sfbKbdEvent (int);
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void sfbMouseEvent (MouseReport *);
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void sfbMouseButtons (MouseReport *);
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static void sfbConfigMouse (void);
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static void sfbDeconfigMouse (void);
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#if NDC > 0
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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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#endif
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#if NSCC > 0
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extern void (*sccDivertXInput)();
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extern void (*sccMouseEvent)();
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extern void (*sccMouseButtons)();
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#endif
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#if NDTOP > 0
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extern void (*dtopDivertXInput)();
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extern void (*dtopMouseEvent)();
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extern void (*dtopMouseButtons)();
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#endif
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extern int pmax_boardtype;
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/* extern u_short defCursor[32]; */
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int sfbprobe();
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struct driver sfbdriver = {
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"sfb", sfbprobe, 0, 0,
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};
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#define SFB_OFFSET_VRAM 0x201000 /* from module's base */
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#define SFB_OFFSET_BT459 0x1C0000 /* Bt459 registers */
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#define SFB_ASIC_OFFSET 0x100000 /* SFB ASIC registers... */
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#define SFB_COPY_REG0 0x100000 /* Copy Buffer Register0 */
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#define SFB_COPY_REG1 0x100004 /* Copy Buffer Register1 */
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#define SFB_COPY_REG2 0x100008 /* Copy Buffer Register2 */
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#define SFB_COPY_REG3 0x10000C /* Copy Buffer Register3 */
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#define SFB_COPY_REG4 0x100010 /* Copy Buffer Register4 */
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#define SFB_COPY_REG5 0x100014 /* Copy Buffer Register5 */
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#define SFB_COPY_REG6 0x100018 /* Copy Buffer Register6 */
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#define SFB_COPY_REG7 0x10001C /* Copy Buffer Register7 */
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#define SFB_FOREGROUND 0x100020 /* Foreground */
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#define SFB_BACKGROUND 0x100024 /* Background */
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#define SFB_PLANEMASK 0x100028 /* PlaneMask */
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#define SFB_PIXELMASK 0x10002C /* PixelMask Register */
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#define SFB_MODE 0x100030 /* Mode Register */
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#define SFB_BOOL_OP 0x100034 /* Boolean Op Register */
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#define SFB_PIXELSHIFT 0x100038 /* PixelShift Register */
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#define SFB_ADDRESS 0x10003C /* Address Register */
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#define SFB_BRESENHAM1 0x100040 /* Bresenham Register 1 */
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#define SFB_BRESENHAM2 0x100044 /* Bresenham Register 2 */
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#define SFB_BRESENHAM3 0x100048 /* Bresenham Register 3 */
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#define SFB_BCONT 0x10004C /* BCont */
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#define SFB_DEEP 0x100050 /* Deep Register */
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#define SFB_START 0x100054 /* Start Register */
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#define SFB_CLEAR 0x100058 /* Clear Interrupt */
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#define SFB_VREFRESH_COUNT 0x100060 /* Video Refresh Count */
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#define SFB_VHORIZONTAL 0x100064 /* Video Horizontal Setup */
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#define SFB_VVERTICAL 0x100068 /* Video Vertical Setup */
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#define SFB_VBASE 0x10006C /* Video Base Address */
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#define SFB_VVALID 0x100070 /* Video Valid */
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#define SFB_INTERRUPT_ENABLE 0x100074 /* Enable/disable interrupts */
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#define SFB_TCCLK 0x100078 /* TCCLK count */
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#define SFB_VIDCLK 0x10007C /* VIDCLK count */
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#define SFB_FB_SIZE 0x1FF000 /* frame buffer size */
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/* No analog (from cfb.c) */
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/* #define SFB_OFFSET_IREQ 0x300000 /* Interrupt req. control */
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/* #define SFB_OFFSET_ROM 0x100000 /* Diagnostic ROM */
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/* #define SFB_OFFSET_RESET 0x3c0000 /* Bt459 resets on writes */
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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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/*ARGSUSED*/
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sfbprobe(cp)
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register struct pmax_ctlr *cp;
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{
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register struct pmax_fb *fp = &sfbfb [cp -> pmax_unit];
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if (cp -> pmax_unit > NSFB)
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return (0);
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if (!fp->initialized && !sfbinit(cp -> pmax_addr, cp -> pmax_unit))
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return (0);
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printf("sfb%d at nexus0 csr 0x%x priority %d\n",
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cp->pmax_unit, cp->pmax_addr, cp->pmax_pri);
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return (1);
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}
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/*ARGSUSED*/
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sfbopen(dev, flag)
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dev_t dev;
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int flag;
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{
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register struct pmax_fb *fp = &sfbfb [minor(dev)];
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int s;
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if (minor(dev) > NSFB)
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return (ENXIO);
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if (!fp->initialized)
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return (ENXIO);
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if (fp->GraphicsOpen)
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return (EBUSY);
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fp->GraphicsOpen = 1;
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sfbInitColorMap(fp);
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/*
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* Set up event queue for later
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*/
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fp->fbu->scrInfo.qe.eSize = PM_MAXEVQ;
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fp->fbu->scrInfo.qe.eHead = fp->fbu->scrInfo.qe.eTail = 0;
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fp->fbu->scrInfo.qe.tcSize = MOTION_BUFFER_SIZE;
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fp->fbu->scrInfo.qe.tcNext = 0;
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fp->fbu->scrInfo.qe.timestamp_ms = TO_MS(time);
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sfbConfigMouse();
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return (0);
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}
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/*ARGSUSED*/
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sfbclose(dev, flag)
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dev_t dev;
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int flag;
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{
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register struct pmax_fb *fp = &sfbfb [minor (dev)];
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int s;
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if (minor (dev) > NSFB)
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return (EBADF);
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if (!fp->GraphicsOpen)
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return (EBADF);
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fp->GraphicsOpen = 0;
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sfbInitColorMap(fp);
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sfbDeconfigMouse();
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sfbScreenInit(fp);
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bzero((caddr_t)fp->fr_addr, 1280 * 1024);
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sfbPosCursor(fp->col * 8, fp->row * 15, fp);
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return (0);
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}
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/*ARGSUSED*/
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sfbioctl(dev, cmd, data, flag, p)
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dev_t dev;
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int cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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{
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register struct pmax_fb *fp = &sfbfb [minor (dev)];
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int s;
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if (minor (dev) > NSFB)
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return (EBADF);
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switch (cmd) {
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case QIOCGINFO:
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/* return (fbmmap(fp, dev, data, p)); */
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return -1;
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case QIOCPMSTATE:
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/*
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* Set mouse state.
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*/
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fp->fbu->scrInfo.mouse = *(pmCursor *)data;
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sfbPosCursor(fp->fbu->scrInfo.mouse.x,
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fp->fbu->scrInfo.mouse.y, fp);
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break;
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case QIOCINIT:
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/*
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* Initialize the screen.
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*/
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sfbScreenInit(fp);
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break;
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case QIOCKPCMD:
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{
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pmKpCmd *kpCmdPtr;
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unsigned char *cp;
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kpCmdPtr = (pmKpCmd *)data;
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if (kpCmdPtr->nbytes == 0)
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kpCmdPtr->cmd |= 0x80;
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if (!fp->GraphicsOpen)
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kpCmdPtr->cmd |= 1;
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(*fp->KBDPutc)(fp->kbddev, (int)kpCmdPtr->cmd);
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cp = &kpCmdPtr->par[0];
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for (; kpCmdPtr->nbytes > 0; cp++, kpCmdPtr->nbytes--) {
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if (kpCmdPtr->nbytes == 1)
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*cp |= 0x80;
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(*fp->KBDPutc)(fp->kbddev, (int)*cp);
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}
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break;
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}
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case QIOCADDR:
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*(PM_Info **)data = &fp->fbu->scrInfo;
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break;
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case QIOWCURSOR:
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sfbLoadCursor((unsigned short *)data, fp);
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break;
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case QIOWCURSORCOLOR:
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sfbCursorColor((unsigned int *)data, fp);
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break;
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case QIOSETCMAP:
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sfbLoadColorMap((ColorMap *)data, fp);
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break;
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case QIOKERNLOOP:
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sfbConfigMouse();
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break;
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case QIOKERNUNLOOP:
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sfbDeconfigMouse();
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break;
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case QIOVIDEOON:
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sfbRestoreCursorColor(fp);
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bt459_video_on(fp);
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break;
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case QIOVIDEOOFF:
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bt459_video_off(fp);
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break;
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default:
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printf("sfb0: Unknown ioctl command %x\n", cmd);
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return (EINVAL);
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}
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return (0);
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}
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sfbselect(dev, flag, p)
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dev_t dev;
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int flag;
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struct proc *p;
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{
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struct pmax_fb *fp = &sfbfb [minor (dev)] ;
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if (minor (dev) > NSFB)
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return (EBADF);
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switch (flag) {
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case FREAD:
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if (fp->fbu->scrInfo.qe.eHead != fp->fbu->scrInfo.qe.eTail)
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return (1);
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selrecord(p, &fp->selp);
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break;
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}
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return (0);
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}
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/*
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* Return the physical page number that corresponds to byte offset 'off'.
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*/
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/*ARGSUSED*/
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sfbmap(dev, off, prot)
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dev_t dev;
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{
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int len;
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struct pmax_fb *fp = &sfbfb [minor (dev)] ;
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if (minor (dev) > NSFB)
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return (EBADF);
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len = pmax_round_page(((vm_offset_t)(fp -> fbu) & PGOFSET)
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+ sizeof (struct fbuaccess));
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if (off < len)
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return pmax_btop(MACH_CACHED_TO_PHYS(fp -> fbu) + off);
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off -= len;
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if (off >= fp -> fr_size)
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return (-1);
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return pmax_btop(MACH_UNCACHED_TO_PHYS(fp -> fr_addr) + off);
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}
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static u_char cursor_RGB[6]; /* cursor color 2 & 3 */
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|
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/*
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* XXX This assumes 2bits/cursor pixel so that the 1Kbyte cursor RAM
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* defines a 64x64 cursor. If the bt459 does not map the cursor RAM
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* this way, this code is Screwed!
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*/
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static void
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sfbLoadCursor(cursor, fp)
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u_short *cursor;
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struct pmax_fb *fp;
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{
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#ifdef PMAX
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register int i, j, k, pos;
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register u_short ap, bp, out;
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|
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/*
|
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* Fill in the cursor sprite using the A and B planes, as provided
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* for the pmax.
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* XXX This will have to change when the X server knows that this
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* is not a pmax display.
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*/
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pos = 0;
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for (k = 0; k < 16; k++) {
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ap = *cursor;
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bp = *(cursor + 16);
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j = 0;
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while (j < 4) {
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out = 0;
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for (i = 0; i < 4; i++) {
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#ifndef CURSOR_EB
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out = (out << 2) | ((ap & 0x1) << 1) |
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(bp & 0x1);
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#else
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out = ((out >> 2) & 0x3f) |
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((ap & 0x1) << 7) |
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((bp & 0x1) << 6);
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#endif
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ap >>= 1;
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bp >>= 1;
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}
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bt459_set_cursor_ram(pos, out, fp);
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pos++;
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j++;
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}
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while (j < 16) {
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bt459_set_cursor_ram(pos, 0, fp);
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pos++;
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j++;
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}
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cursor++;
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}
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while (pos < 1024) {
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bt459_set_cursor_ram(pos, 0, fp);
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pos++;
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}
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#endif /* PMAX */
|
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}
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|
|
/*
|
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* Set a cursor ram value.
|
|
*/
|
|
static void
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bt459_set_cursor_ram(pos, val, fp)
|
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int pos;
|
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register u_char val;
|
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struct pmax_fb *fp;
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{
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register bt459_regmap_t *regs;
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register int cnt;
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u_char nval;
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regs = (bt459_regmap_t *)(fp -> fr_addr
|
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- SFB_OFFSET_VRAM + SFB_OFFSET_BT459);
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|
|
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cnt = 0;
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do {
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bt459_write_reg(regs, BT459_REG_CRAM_BASE + pos, val);
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nval = bt459_read_reg(regs, BT459_REG_CRAM_BASE + pos);
|
|
} while (val != nval && ++cnt < 10);
|
|
}
|
|
|
|
/*
|
|
* Generic register access
|
|
*/
|
|
static void
|
|
bt459_select_reg(regs, regno)
|
|
bt459_regmap_t *regs;
|
|
{
|
|
regs->addr_lo = regno;
|
|
regs->addr_hi = regno >> 8;
|
|
MachEmptyWriteBuffer();
|
|
}
|
|
|
|
static void
|
|
bt459_write_reg(regs, regno, val)
|
|
bt459_regmap_t *regs;
|
|
{
|
|
regs->addr_lo = regno;
|
|
regs->addr_hi = regno >> 8;
|
|
MachEmptyWriteBuffer();
|
|
regs->addr_reg = val;
|
|
MachEmptyWriteBuffer();
|
|
}
|
|
|
|
static u_char
|
|
bt459_read_reg(regs, regno)
|
|
bt459_regmap_t *regs;
|
|
{
|
|
regs->addr_lo = regno;
|
|
regs->addr_hi = regno >> 8;
|
|
MachEmptyWriteBuffer();
|
|
return (regs->addr_reg);
|
|
}
|
|
|
|
/*
|
|
* Initialization
|
|
*/
|
|
int
|
|
sfbinit(base, unit)
|
|
char *base;
|
|
int unit;
|
|
{
|
|
register bt459_regmap_t *regs;
|
|
register struct pmax_fb *fp;
|
|
u_char foo;
|
|
extern struct tty *fbconstty;
|
|
|
|
printf ("sfbinit: %x %d\n", base, unit);
|
|
if (unit > NSFB)
|
|
return (0);
|
|
fp = &sfbfb [unit];
|
|
|
|
/* check for no frame buffer */
|
|
if (badaddr(base + SFB_OFFSET_VRAM, 4))
|
|
return (0);
|
|
|
|
fp->isMono = 0;
|
|
fp->fr_addr = (char *)(base + SFB_OFFSET_VRAM);
|
|
fp->fr_size = SFB_FB_SIZE;
|
|
/*
|
|
* Must be in Uncached space since the fbuaccess structure is
|
|
* mapped into the user's address space uncached.
|
|
*/
|
|
fp->fbu = (struct fbuaccess *)
|
|
MACH_PHYS_TO_UNCACHED(MACH_CACHED_TO_PHYS(&sfbu
|
|
[unit]));
|
|
fp->posCursor = sfbPosCursor;
|
|
if (tb_kbdmouseconfig(fp))
|
|
return (0);
|
|
|
|
/*
|
|
* Initialize the screen.
|
|
*/
|
|
regs = (bt459_regmap_t *)(fp->fr_addr
|
|
- SFB_OFFSET_VRAM + SFB_OFFSET_BT459);
|
|
|
|
foo = bt459_read_reg (regs, BT459_REG_ID);
|
|
if (bt459_read_reg(regs, BT459_REG_ID) != 0x4a)
|
|
return (0);
|
|
|
|
#ifdef FOO /* @@@ DON'T KNOW HOW TO DO THIS @@@ */
|
|
/* Reset the chip */
|
|
*(volatile int *)(fp->fr_addr + SFB_OFFSET_RESET) = 0;
|
|
DELAY(2000); /* ???? check right time on specs! ???? */
|
|
#endif /* FOO */
|
|
|
|
/* use 4:1 input mux */
|
|
bt459_write_reg(regs, BT459_REG_CMD0, 0x40);
|
|
|
|
/* no zooming, no panning */
|
|
bt459_write_reg(regs, BT459_REG_CMD1, 0x00);
|
|
|
|
/*
|
|
* signature test, X-windows cursor, no overlays, SYNC* PLL,
|
|
* normal RAM select, 7.5 IRE pedestal, do sync
|
|
*/
|
|
#ifndef PMAX
|
|
bt459_write_reg(regs, BT459_REG_CMD2, 0xc2);
|
|
#else /* PMAX */
|
|
bt459_write_reg(regs, BT459_REG_CMD2, 0xc0);
|
|
#endif /* PMAX */
|
|
|
|
/* get all pixel bits */
|
|
bt459_write_reg(regs, BT459_REG_PRM, 0xff);
|
|
|
|
/* no blinking */
|
|
bt459_write_reg(regs, BT459_REG_PBM, 0x00);
|
|
|
|
/* no overlay */
|
|
bt459_write_reg(regs, BT459_REG_ORM, 0x00);
|
|
|
|
/* no overlay blink */
|
|
bt459_write_reg(regs, BT459_REG_OBM, 0x00);
|
|
|
|
/* no interleave, no underlay */
|
|
bt459_write_reg(regs, BT459_REG_ILV, 0x00);
|
|
|
|
/* normal operation, no signature analysis */
|
|
bt459_write_reg(regs, BT459_REG_TEST, 0x00);
|
|
|
|
/*
|
|
* no blinking, 1bit cross hair, XOR reg&crosshair,
|
|
* no crosshair on either plane 0 or 1,
|
|
* regular cursor on both planes.
|
|
*/
|
|
bt459_write_reg(regs, BT459_REG_CCR, 0xc0);
|
|
|
|
/* home cursor */
|
|
bt459_write_reg(regs, BT459_REG_CXLO, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_CXHI, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_CYLO, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_CYHI, 0x00);
|
|
|
|
/* no crosshair window */
|
|
bt459_write_reg(regs, BT459_REG_WXLO, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_WXHI, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_WYLO, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_WYHI, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_WWLO, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_WWHI, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_WHLO, 0x00);
|
|
bt459_write_reg(regs, BT459_REG_WHHI, 0x00);
|
|
|
|
/*
|
|
* Initialize screen info.
|
|
*/
|
|
fp->fbu->scrInfo.max_row = 68;
|
|
fp->fbu->scrInfo.max_col = 80;
|
|
fp->fbu->scrInfo.max_x = 1280;
|
|
fp->fbu->scrInfo.max_y = 1024;
|
|
fp->fbu->scrInfo.max_cur_x = 1279;
|
|
fp->fbu->scrInfo.max_cur_y = 1023;
|
|
fp->fbu->scrInfo.version = 11;
|
|
fp->fbu->scrInfo.mthreshold = 4;
|
|
fp->fbu->scrInfo.mscale = 2;
|
|
fp->fbu->scrInfo.min_cur_x = 0;
|
|
fp->fbu->scrInfo.min_cur_y = 0;
|
|
fp->fbu->scrInfo.qe.timestamp_ms = TO_MS(time);
|
|
fp->fbu->scrInfo.qe.eSize = PM_MAXEVQ;
|
|
fp->fbu->scrInfo.qe.eHead = fp->fbu->scrInfo.qe.eTail = 0;
|
|
fp->fbu->scrInfo.qe.tcSize = MOTION_BUFFER_SIZE;
|
|
fp->fbu->scrInfo.qe.tcNext = 0;
|
|
|
|
/*
|
|
* Initialize the color map, the screen, and the mouse.
|
|
*/
|
|
sfbInitColorMap(fp);
|
|
sfbScreenInit(fp);
|
|
/* fbScroll(fp); */
|
|
|
|
/* Initialize the SFB ASIC... */
|
|
*((int *)(base + SFB_MODE)) = 0;
|
|
*((int *)(base + SFB_PLANEMASK)) = 0xFFFFFFFF;
|
|
|
|
fp->initialized = 1;
|
|
if (!fbconstty) {
|
|
int i;
|
|
for (i = 0; i < 1024; i++) {
|
|
fp -> fr_addr [i] = i >> 2;
|
|
fp -> fr_addr [i + 1280] = i >> 2;
|
|
fp -> fr_addr [i + 2560] = i >> 2;
|
|
fp -> fr_addr [i + 3840] = i >> 2;
|
|
}
|
|
cons_fb_init (fp, 8, 1280, 256);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* ----------------------------------------------------------------------------
|
|
*
|
|
* sfbScreenInit --
|
|
*
|
|
* Initialize the screen.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* The screen is initialized.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
static void
|
|
sfbScreenInit(fp)
|
|
struct pmax_fb *fp;
|
|
{
|
|
/*
|
|
* Home the cursor.
|
|
* We want an LSI terminal emulation. We want the graphics
|
|
* terminal to scroll from the bottom. So start at the bottom.
|
|
*/
|
|
fp->row = 67;
|
|
fp->col = 0;
|
|
|
|
/*
|
|
* Load the cursor with the default values
|
|
*
|
|
*/
|
|
/* sfbLoadCursor(defCursor, fp); */
|
|
}
|
|
|
|
/*
|
|
* ----------------------------------------------------------------------------
|
|
*
|
|
* RestoreCursorColor --
|
|
*
|
|
* Routine to restore the color of the cursor.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* None.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
static void
|
|
sfbRestoreCursorColor(fp)
|
|
struct pmax_fb *fp;
|
|
{
|
|
bt459_regmap_t *regs;
|
|
register int i;
|
|
|
|
regs = (bt459_regmap_t *)(fp -> fr_addr
|
|
- SFB_OFFSET_VRAM + SFB_OFFSET_BT459);
|
|
|
|
#ifndef PMAX
|
|
bt459_select_reg(regs, BT459_REG_CCOLOR_2);
|
|
for (i = 0; i < 6; i++) {
|
|
regs->addr_reg = cursor_RGB[i];
|
|
MachEmptyWriteBuffer();
|
|
}
|
|
#else /* PMAX */
|
|
bt459_select_reg(regs, BT459_REG_CCOLOR_1);
|
|
for (i = 0; i < 3; i++) {
|
|
regs->addr_reg = cursor_RGB[i];
|
|
MachEmptyWriteBuffer();
|
|
}
|
|
bt459_select_reg(regs, BT459_REG_CCOLOR_3);
|
|
for (i = 3; i < 6; i++) {
|
|
regs->addr_reg = cursor_RGB[i];
|
|
MachEmptyWriteBuffer();
|
|
}
|
|
#endif /* PMAX */
|
|
}
|
|
|
|
/*
|
|
* ----------------------------------------------------------------------------
|
|
*
|
|
* CursorColor --
|
|
*
|
|
* Set the color of the cursor.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* None.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
static void
|
|
sfbCursorColor(color, fp)
|
|
unsigned int color[];
|
|
struct pmax_fb *fp;
|
|
{
|
|
register int i, j;
|
|
|
|
for (i = 0; i < 6; i++)
|
|
cursor_RGB[i] = (u_char)(color[i] >> 8);
|
|
|
|
sfbRestoreCursorColor(fp);
|
|
}
|
|
|
|
/*
|
|
*----------------------------------------------------------------------
|
|
*
|
|
* PosCursor --
|
|
*
|
|
* Postion the cursor.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* None.
|
|
*
|
|
*----------------------------------------------------------------------
|
|
*/
|
|
void
|
|
sfbPosCursor(x, y, fp)
|
|
register int x, y;
|
|
struct pmax_fb *fp;
|
|
{
|
|
bt459_regmap_t *regs;
|
|
regs = (bt459_regmap_t *)(fp -> fr_addr
|
|
- SFB_OFFSET_VRAM + SFB_OFFSET_BT459);
|
|
|
|
if (y < fp->fbu->scrInfo.min_cur_y || y > fp->fbu->scrInfo.max_cur_y)
|
|
y = fp->fbu->scrInfo.max_cur_y;
|
|
if (x < fp->fbu->scrInfo.min_cur_x || x > fp->fbu->scrInfo.max_cur_x)
|
|
x = fp->fbu->scrInfo.max_cur_x;
|
|
fp->fbu->scrInfo.cursor.x = x; /* keep track of real cursor */
|
|
fp->fbu->scrInfo.cursor.y = y; /* position, indep. of mouse */
|
|
|
|
x += 369;
|
|
y += 34;
|
|
|
|
bt459_select_reg(regs, BT459_REG_CXLO);
|
|
regs->addr_reg = x;
|
|
MachEmptyWriteBuffer();
|
|
regs->addr_reg = x >> 8;
|
|
MachEmptyWriteBuffer();
|
|
regs->addr_reg = y;
|
|
MachEmptyWriteBuffer();
|
|
regs->addr_reg = y >> 8;
|
|
MachEmptyWriteBuffer();
|
|
}
|
|
|
|
/*
|
|
* ----------------------------------------------------------------------------
|
|
*
|
|
* InitColorMap --
|
|
*
|
|
* Initialize the color map.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* The colormap is initialized appropriately.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
static void
|
|
sfbInitColorMap(fp)
|
|
struct pmax_fb *fp;
|
|
{
|
|
bt459_regmap_t *regs;
|
|
register int i;
|
|
regs = (bt459_regmap_t *)(fp -> fr_addr
|
|
- SFB_OFFSET_VRAM + SFB_OFFSET_BT459);
|
|
|
|
bt459_select_reg(regs, 0);
|
|
regs->addr_cmap = 0; MachEmptyWriteBuffer();
|
|
regs->addr_cmap = 0; MachEmptyWriteBuffer();
|
|
regs->addr_cmap = 0; MachEmptyWriteBuffer();
|
|
|
|
for (i = 0; i < 256; i++) {
|
|
regs->addr_cmap = 0xff; MachEmptyWriteBuffer();
|
|
regs->addr_cmap = 0xff; MachEmptyWriteBuffer();
|
|
regs->addr_cmap = 0xff; MachEmptyWriteBuffer();
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
cursor_RGB[i] = 0x00;
|
|
cursor_RGB[i + 3] = 0xff;
|
|
}
|
|
sfbRestoreCursorColor(fp);
|
|
}
|
|
|
|
/*
|
|
* ----------------------------------------------------------------------------
|
|
*
|
|
* LoadColorMap --
|
|
*
|
|
* Load the color map.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* The color map is loaded.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
static void
|
|
sfbLoadColorMap(ptr, fp)
|
|
ColorMap *ptr;
|
|
struct pmax_fb *fp;
|
|
{
|
|
bt459_regmap_t *regs;
|
|
regs = (bt459_regmap_t *)(fp -> fr_addr
|
|
- SFB_OFFSET_VRAM + SFB_OFFSET_BT459);
|
|
if (ptr->index > 256)
|
|
return;
|
|
|
|
bt459_select_reg(regs, ptr->index);
|
|
|
|
regs->addr_cmap = ptr->Entry.red; MachEmptyWriteBuffer();
|
|
regs->addr_cmap = ptr->Entry.green; MachEmptyWriteBuffer();
|
|
regs->addr_cmap = ptr->Entry.blue; MachEmptyWriteBuffer();
|
|
}
|
|
|
|
/*
|
|
* Video on/off state.
|
|
*/
|
|
static struct vstate {
|
|
u_char color0[3]; /* saved color map entry zero */
|
|
u_char off; /* TRUE if display is off */
|
|
} vstate;
|
|
|
|
/*
|
|
* ----------------------------------------------------------------------------
|
|
*
|
|
* bt459_video_on
|
|
*
|
|
* Enable the video display.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* The display is enabled.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
static void
|
|
bt459_video_on(fp)
|
|
struct pmax_fb *fp;
|
|
{
|
|
bt459_regmap_t *regs;
|
|
regs = (bt459_regmap_t *)(fp -> fr_addr
|
|
- SFB_OFFSET_VRAM + SFB_OFFSET_BT459);
|
|
|
|
if (!vstate.off)
|
|
return;
|
|
|
|
/* restore old color map entry zero */
|
|
bt459_select_reg(regs, 0);
|
|
regs->addr_cmap = vstate.color0[0];
|
|
MachEmptyWriteBuffer();
|
|
regs->addr_cmap = vstate.color0[1];
|
|
MachEmptyWriteBuffer();
|
|
regs->addr_cmap = vstate.color0[2];
|
|
MachEmptyWriteBuffer();
|
|
|
|
/* enable normal display */
|
|
bt459_write_reg(regs, BT459_REG_PRM, 0xff);
|
|
bt459_write_reg(regs, BT459_REG_CCR, 0xc0);
|
|
|
|
vstate.off = 0;
|
|
}
|
|
|
|
/*
|
|
* ----------------------------------------------------------------------------
|
|
*
|
|
* bt459_video_off
|
|
*
|
|
* Disable the video display.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* The display is disabled.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
static void
|
|
bt459_video_off(fp)
|
|
struct pmax_fb *fp;
|
|
{
|
|
bt459_regmap_t *regs;
|
|
regs = (bt459_regmap_t *)(fp -> fr_addr
|
|
- SFB_OFFSET_VRAM + SFB_OFFSET_BT459);
|
|
|
|
if (vstate.off)
|
|
return;
|
|
|
|
/* save old color map entry zero */
|
|
bt459_select_reg(regs, 0);
|
|
vstate.color0[0] = regs->addr_cmap;
|
|
vstate.color0[1] = regs->addr_cmap;
|
|
vstate.color0[2] = regs->addr_cmap;
|
|
|
|
/* set color map entry zero to zero */
|
|
bt459_select_reg(regs, 0);
|
|
regs->addr_cmap = 0;
|
|
MachEmptyWriteBuffer();
|
|
regs->addr_cmap = 0;
|
|
MachEmptyWriteBuffer();
|
|
regs->addr_cmap = 0;
|
|
MachEmptyWriteBuffer();
|
|
|
|
/* disable display */
|
|
bt459_write_reg(regs, BT459_REG_PRM, 0);
|
|
bt459_write_reg(regs, BT459_REG_CCR, 0);
|
|
|
|
vstate.off = 1;
|
|
}
|
|
|
|
/*
|
|
* sfb keyboard and mouse input. Just punt to the generic ones in fb.c
|
|
*/
|
|
void
|
|
sfbKbdEvent(ch)
|
|
int ch;
|
|
{
|
|
fbKbdEvent(ch, &sfbfb [0]);
|
|
}
|
|
|
|
void
|
|
sfbMouseEvent(newRepPtr)
|
|
MouseReport *newRepPtr;
|
|
{
|
|
fbMouseEvent(newRepPtr, &sfbfb [0]);
|
|
}
|
|
|
|
void
|
|
sfbMouseButtons(newRepPtr)
|
|
MouseReport *newRepPtr;
|
|
{
|
|
fbMouseButtons(newRepPtr, &sfbfb [0]);
|
|
}
|
|
|
|
/*
|
|
* Configure the mouse and keyboard based on machine type
|
|
*/
|
|
static void
|
|
sfbConfigMouse()
|
|
{
|
|
int s;
|
|
|
|
s = spltty();
|
|
switch (pmax_boardtype) {
|
|
#if NDC > 0
|
|
case DS_3MAX:
|
|
dcDivertXInput = sfbKbdEvent;
|
|
dcMouseEvent = sfbMouseEvent;
|
|
dcMouseButtons = sfbMouseButtons;
|
|
break;
|
|
#endif
|
|
#if NSCC > 1
|
|
case DS_3MIN:
|
|
case DS_3MAXPLUS:
|
|
sccDivertXInput = sfbKbdEvent;
|
|
sccMouseEvent = sfbMouseEvent;
|
|
sccMouseButtons = sfbMouseButtons;
|
|
break;
|
|
#endif
|
|
#if NDTOP > 0
|
|
case DS_MAXINE:
|
|
dtopDivertXInput = sfbKbdEvent;
|
|
dtopMouseEvent = sfbMouseEvent;
|
|
dtopMouseButtons = sfbMouseButtons;
|
|
break;
|
|
#endif
|
|
default:
|
|
printf("Can't configure mouse/keyboard\n");
|
|
};
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
* and deconfigure them
|
|
*/
|
|
static void
|
|
sfbDeconfigMouse()
|
|
{
|
|
int s;
|
|
|
|
s = spltty();
|
|
switch (pmax_boardtype) {
|
|
#if NDC > 0
|
|
case DS_3MAX:
|
|
dcDivertXInput = (void (*)())0;
|
|
dcMouseEvent = (void (*)())0;
|
|
dcMouseButtons = (void (*)())0;
|
|
break;
|
|
#endif
|
|
#if NSCC > 1
|
|
case DS_3MIN:
|
|
case DS_3MAXPLUS:
|
|
sccDivertXInput = (void (*)())0;
|
|
sccMouseEvent = (void (*)())0;
|
|
sccMouseButtons = (void (*)())0;
|
|
break;
|
|
#endif
|
|
#if NDTOP > 0
|
|
case DS_MAXINE:
|
|
dtopDivertXInput = (void (*)())0;
|
|
dtopMouseEvent = (void (*)())0;
|
|
dtopMouseButtons = (void (*)())0;
|
|
break;
|
|
#endif
|
|
default:
|
|
printf("Can't deconfigure mouse/keyboard\n");
|
|
};
|
|
}
|
|
#endif /* NSFB */
|