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115b6d92fa
NetBSD/sys/arch/arm32/dev/kbd.c
mark a497e39048 Fix the declarations of the interrupt handlers to accept void * pointers 
as the only argument and cast this as appropriate now that the function
pointers to the interrupt registration functions are fully prototyped.
Use <machine/conf.h> for the declarations of the device driver entry
points.
1997-01-28 04:55:15 +00:00

1557 lines
36 KiB
C
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/* $NetBSD: kbd.c,v 1.16 1997/01/28 04:55:16 mark Exp $ */
/*
* Copyright (c) 1994 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RiscBSD kernel project
*
* kbd.c
*
* Keyboard driver functions
*
* Created : 09/10/94
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/tty.h>
#include <sys/vnode.h>
#include <sys/select.h>
#include <sys/fcntl.h>
#include <sys/signalvar.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <machine/irqhandler.h>
#include <machine/iomd.h>
#include <machine/vidc.h>
#include <machine/katelib.h>
#include <machine/kbd.h>
#include <machine/conf.h>
#include <arm32/mainbus/mainbus.h>
#include "vt.h"
#include "kbd.h"
/* Define the key_struct structure */
typedef struct {
int base_code; /* Base ASCII code */
int shift_code; /* Shifted ASCII code */
int ctrl_code; /* CTRL code */
int alt_code; /* Alt code */
int flags; /* Flags field */
} key_struct;
/* Define mappings for each possible code */
key_struct keys[256] = {
/* 0x00 - 0x0f */
{ 0x00, 0x00, 0x00, 0x00, 0x80 },
{ 0x89, 0x99, 0x00, 0x489, 0x00 },
{ 0x8a, 0x9a, 0x00, 0x00, 0x00 },
{ 0x85, 0x95, 0x00, 0x485, 0x00 },
{ 0x83, 0x93, 0x00, 0x483, 0x00 },
{ 0x81, 0x91, 0x00, 0x481, 0x00 },
{ 0x82, 0x92, 0x00, 0x482, 0x00 },
{ 0x8c, 0x9c, 0x00, 0x48c, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x88, 0x98, 0x00, 0x488, 0x00 },
{ 0x86, 0x96, 0x00, 0x486, 0x00 },
{ 0x84, 0x94, 0x00, 0x484, 0x00 },
{ 0x09, 0x09, 0x09, 0x09, 0x00 },
#ifdef RC7500
{ 0x60, 0x7e, 0x00, 0x00, 0x00 },
#else
{ 0x60, 0x00, 0x00, 0x00, 0x00 },
#endif
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x10 - 0x1f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x84 },
{ 0x00, 0x00, 0x00, 0x00, 0x82 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x81 },
{ 0x71, 0x51, 0x11, 0x00, 0x40 },
{ 0x31, 0x21, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x7a, 0x5a, 0x1a, 0x00, 0x40 },
{ 0x73, 0x53, 0x13, 0x00, 0x40 },
{ 0x61, 0x41, 0x01, 0x00, 0x40 },
{ 0x77, 0x57, 0x17, 0x00, 0x40 },
{ 0x32, 0x22, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x20 - 0x2f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x63, 0x43, 0x03, 0x00, 0x40 },
{ 0x78, 0x58, 0x18, 0x00, 0x40 },
{ 0x64, 0x44, 0x04, 0x00, 0x40 },
{ 0x65, 0x45, 0x05, 0x00, 0x40 },
{ 0x34, 0x24, 0x00, 0x00, 0x00 },
{ 0x33, 0x23, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x20, 0x20, 0x20, 0x20, 0x00 },
{ 0x76, 0x56, 0x16, 0x00, 0x40 },
{ 0x66, 0x46, 0x06, 0x00, 0x40 },
{ 0x74, 0x54, 0x14, 0x00, 0x40 },
{ 0x72, 0x52, 0x12, 0x00, 0x40 },
{ 0x35, 0x25, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x30 - 0x3f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x6e, 0x4e, 0x0e, 0x00, 0x40 },
{ 0x62, 0x42, 0x02, 0x00, 0x40 },
{ 0x68, 0x48, 0x08, 0x00, 0x40 },
{ 0x67, 0x47, 0x07, 0x00, 0x40 },
{ 0x79, 0x59, 0x19, 0x00, 0x40 },
{ 0x36, 0x5e, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x6d, 0x4d, 0x0d, 0x00, 0x40 },
{ 0x6a, 0x4a, 0x0a, 0x00, 0x40 },
{ 0x75, 0x55, 0x15, 0x00, 0x40 },
{ 0x37, 0x26, 0x00, 0x00, 0x00 },
{ 0x38, 0x2a, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x40 - 0x4f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x2c, 0x3c, 0x00, 0x00, 0x00 },
{ 0x6b, 0x4b, 0x0b, 0x00, 0x40 },
{ 0x69, 0x49, 0x09, 0x00, 0x40 },
{ 0x6f, 0x4f, 0x0f, 0x00, 0x40 },
{ 0x30, 0x29, 0x00, 0x00, 0x00 },
{ 0x39, 0x28, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x2e, 0x3e, 0x00, 0x00, 0x00 },
{ 0x2f, 0x3f, 0x00, 0x00, 0x00 },
{ 0x6c, 0x4c, 0x0c, 0x00, 0x40 },
{ 0x3b, 0x3a, 0x00, 0x00, 0x00 },
{ 0x70, 0x50, 0x10, 0x00, 0x40 },
{ 0x2d, 0x5f, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x50 - 0x5f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
#ifdef RC7500
{ 0x27, 0x22, 0x00, 0x00, 0x00 },
#else
{ 0x27, 0x40, 0x00, 0x00, 0x00 },
#endif
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x5b, 0x7b, 0x00, 0x00, 0x00 },
{ 0x3d, 0x2b, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0xa0 },
{ 0x00, 0x00, 0x00, 0x00, 0x82 },
{ 0x0d, 0x0d, 0x0d, 0x00, 0x00 },
{ 0x5d, 0x7d, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
#ifdef RC7500
{ 0x5c, 0x7c, 0x00, 0x00, 0x00 },
#else
{ 0x23, 0x7e, 0x00, 0x00, 0x00 },
#endif
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x60 - 0x6f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x5c, 0x7c, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x08, 0x7f, 0x08, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x31, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x34, 0x00, 0x00, 0x00, 0x00 },
{ 0x37, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x70 - 0x7f */
{ 0x30, 0x00, 0x00, 0x00, 0x00 },
{ 0x2e, 0x00, 0x00, 0x00, 0x00 },
{ 0x32, 0x00, 0x00, 0x00, 0x00 },
{ 0x35, 0x00, 0x00, 0x00, 0x00 },
{ 0x36, 0x00, 0x00, 0x00, 0x00 },
{ 0x38, 0x00, 0x00, 0x00, 0x00 },
{ 0x1b, 0x1b, 0x21b, 0x1b, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x90 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x2b, 0x00, 0x00, 0x22b, 0x00 },
{ 0x33, 0x00, 0x00, 0x00, 0x00 },
{ 0x2d, 0x00, 0x00, 0x22d, 0x00 },
{ 0x2a, 0x00, 0x00, 0x00, 0x00 },
{ 0x39, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x88 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x80 - 0x8f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x87, 0x97, 0x00, 0x487, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x90 - 0x9f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0xa0 - 0xaf */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0xb0 - 0xbf */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0xc0 - 0xcf */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0xd0 - 0xdf */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0xe0 - 0xef */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0xf0 - 0xff */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 }
};
/* Define mappings for each possible code */
key_struct E0keys[128] = {
/* 0x00 - 0x0f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x10 - 0x1f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x84 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x81 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x20 - 0x2f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x30 - 0x3f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x40 - 0x4f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x2f, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x50 - 0x5f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x0d, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x60 - 0x6f */
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x10b, 0x00, 0x00, 0x20b, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x102, 0x00, 0x00, 0x202, 0x00 },
{ 0x10a, 0x00, 0x00, 0x20a, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
/* 0x70 - 0x7f */
{ 0x108, 0x00, 0x00, 0x208, 0x00 },
{ 0x109, 0x00, 0x00, 0x209, 0x00 },
{ 0x101, 0x105, 0x00, 0x201, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x103, 0x00, 0x00, 0x203, 0x00 },
{ 0x100, 0x104, 0x00, 0x200, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x104, 0x100, 0x00, 0x204, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x105, 0x101, 0x00, 0x205, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00 },
};
/* Special keycodes */
#define KEYCODE_UP 0x100
#define KEYCODE_DOWN 0x101
#define KEYCODE_LEFT 0x102
#define KEYCODE_RIGHT 0x103
#define KEYCODE_PGUP 0x104
#define KEYCODE_PGDN 0x105
#define KEYCODE_INSERT 0x108
#define KEYCODE_DELETE 0x109
#define KEYCODE_HOME 0x10a
#define KEYCODE_END 0x10b
/* Key modifiers flags */
#define MODIFIER_CTRL 0x01
#define MODIFIER_SHIFT 0x02
#define MODIFIER_ALT 0x04
#define MODIFIER_MASK 0x07
#define MODIFIER_CAPS 0x20
#define MODIFIER_NUM 0x10
#define MODIFIER_SCROLL 0x08
#define MODIFIER_LOCK_MASK 0x38
#define MODIFIER_CAPSLOCK 0x40
#define MODIFIER_NORETURN 0x80
/* Keyboard variables */
#define RAWKBD_BSIZE 128
static int autorepeatkey = -1;
static struct kbd_autorepeat kbdautorepeat = { 5, 20 };
static int rawkbd_device = 0;
int modifiers = 0;
static int kbd_ack = 0;
static int kbd_resend = 0;
extern int pmap_debug_level;
struct kbd_softc {
struct device sc_device;
irqhandler_t sc_ih;
int sc_state;
#define RAWKBD_OPEN 0x01
#define KBD_OPEN 0x02
#define RAWKBD_ASLEEP 0x04
int sc_iobase;
struct clist sc_q;
struct selinfo sc_rsel;
struct proc *sc_proc;
};
#define KBDUNIT(u) (minor(u) / 2)
#define KBDFLAG(u) (minor(u) % 2)
#define KBDFLAG_RAWUNIT 0
#define KBDFLAG_CONUNIT 1
/* Local function prototypes */
int kbdprobe __P((struct device *, void *, void *));
void kbdattach __P((struct device *, struct device *, void *));
int kbdreset __P((void));
void kbd_flush_input __P((void));
int kbdcmd __P((u_char cmd));
void kbdsetleds __P((int /*leds*/));
int PollKeyboard __P((int));
int kbddecodekey __P((struct kbd_softc *, int));
int kbdintr __P((void *arg));
void autorepeatstart __P((void *));
void autorepeat __P((void *));
extern int physconkbd __P((int key));
extern void console_switch __P((u_int number));
extern int console_switchdown __P((void));
extern int console_switchup __P((void));
extern int console_unblank __P((void));
extern int console_scrollback __P((void));
extern int console_scrollforward __P((void));
extern void pmap_debug __P((int level));
/* Device structures */
struct cfattach kbd_ca = {
sizeof(struct kbd_softc), kbdprobe, kbdattach
};
struct cfdriver kbd_cd = {
NULL, "kbd", DV_TTY
};
/* keyboard commands */
#define KBC_RESET 0xFF /* reset the keyboard */
#define KBC_RESEND 0xFE /* request the keyboard resend the last byte */
#define KBC_SET_TMB 0xFA /* What is this one ? */
#define KBC_SETDEFAULT 0xF6 /* resets keyboard to its power-on defaults */
#define KBC_DISABLE 0xF5 /* as per KBC_SETDEFAULT, but also disable key scanning */
#define KBC_ENABLE 0xF4 /* enable key scanning */
#define KBC_TYPEMATIC 0xF3 /* set typematic rate and delay */
#define KBC_SETSCANTBL 0xF0 /* set scancode translation table */
#define KBC_SETLEDS 0xED /* set mode indicators (i.e. LEDs) */
#define KBC_ECHO 0xEE /* request an echo from the keyboard */
#define KBD_SETSCAN_2 0x02
#define KBD_SETSCAN_3 0x03
/* keyboard responses */
#define KBR_EXTENDED 0xE0 /* extended key sequence */
#define KBR_RESEND 0xFE /* needs resend of command */
#define KBR_ACK 0xFA /* received a valid command */
#define KBR_OVERRUN 0x00 /* flooded */
#define KBR_FAILURE 0xFD /* diagnosic failure */
#define KBR_BREAK 0xF0 /* break code prefix - sent on key release */
#define KBR_RSTDONE 0xAA /* reset complete */
#define KBR_ECHO 0xEE /* echo response */
int
kbdprobe(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
int id;
/* Make sure we have an IOMD we understand */
id = IOMD_ID;
/* So far I only know about this IOMD */
switch (id) {
case RPC600_IOMD_ID:
case ARM7500_IOC_ID:
return(1);
break;
default:
printf("kbd: Unknown IOMD id=%04x", id);
break;
}
return(0);
}
void
kbdattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct kbd_softc *sc = (void *)self;
struct mainbus_attach_args *mb = aux;
int error;
error = kbdreset();
if (error == 1)
printf(": Cannot enable keyboard");
else if (error == 2)
printf(": No keyboard present");
sc->sc_iobase = mb->mb_iobase;
sc->sc_ih.ih_func = kbdintr;
sc->sc_ih.ih_arg = sc;
sc->sc_ih.ih_level = IPL_TTY;
sc->sc_ih.ih_name = "kbd rx";
if (irq_claim(IRQ_KBDRX, &sc->sc_ih))
panic("Cannot claim IRQ for kbd%d\n", sc->sc_device.dv_unit);
printf("\n");
}
int
kbdopen(dev, flag, mode, p)
dev_t dev;
int flag;
int mode;
struct proc *p;
{
struct kbd_softc *sc;
int unit = KBDUNIT(dev);
if (unit >= kbd_cd.cd_ndevs)
return(ENXIO);
sc = kbd_cd.cd_devs[unit];
if (!sc) return(ENXIO);
switch (KBDFLAG(dev)) {
case KBDFLAG_RAWUNIT :
if (sc->sc_state & RAWKBD_OPEN)
return(EBUSY);
sc->sc_state |= RAWKBD_OPEN;
if (clalloc(&sc->sc_q, RAWKBD_BSIZE, 0) == -1)
return(ENOMEM);
sc->sc_proc = p;
rawkbd_device = 1;
break;
case KBDFLAG_CONUNIT :
if (sc->sc_state & KBD_OPEN)
return(EBUSY);
sc->sc_state |= KBD_OPEN;
break;
}
/* Kill any active autorepeat */
untimeout(autorepeatstart, &autorepeatkey);
untimeout(autorepeat, &autorepeatkey);
return(0);
}
int
kbdclose(dev, flag, mode, p)
dev_t dev;
int flag;
int mode;
struct proc *p;
{
int unit = KBDUNIT(dev);
struct kbd_softc *sc = kbd_cd.cd_devs[unit];
switch (KBDFLAG(dev)) {
case KBDFLAG_RAWUNIT :
if (!(sc->sc_state & RAWKBD_OPEN))
return(EINVAL);
sc->sc_state &= ~RAWKBD_OPEN;
clfree(&sc->sc_q);
sc->sc_proc = NULL;
rawkbd_device = 0;
break;
case KBDFLAG_CONUNIT :
if (!(sc->sc_state & KBD_OPEN))
return(EINVAL);
sc->sc_state &= ~KBD_OPEN;
break;
}
return(0);
}
int
kbdread(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
struct kbd_softc *sc = kbd_cd.cd_devs[KBDUNIT(dev)];
int s;
int error = 0;
size_t length;
u_char buffer[128];
if (KBDFLAG(dev) == KBDFLAG_CONUNIT)
return(ENXIO);
/* Block until keyboard activity occured. */
s = spltty();
while (sc->sc_q.c_cc == 0) {
if (flag & IO_NDELAY) {
splx(s);
return EWOULDBLOCK;
}
sc->sc_state |= RAWKBD_ASLEEP;
if ((error = tsleep((caddr_t)sc, PZERO | PCATCH, "kbdread", 0))) {
sc->sc_state &= (~RAWKBD_ASLEEP);
splx(s);
return error;
}
}
splx(s);
/* Transfer as many chunks as possible. */
while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0) {
length = min(sc->sc_q.c_cc, uio->uio_resid);
if (length > sizeof(buffer))
length = sizeof(buffer);
/* Remove a small chunk from the input queue. */
(void) q_to_b(&sc->sc_q, buffer, length);
/* Copy the data to the user process. */
if ((error = (uiomove(buffer, length, uio))))
break;
}
return error;
}
#if 0
int
kbdselect(dev, rw, p)
dev_t dev;
int rw;
struct proc *p;
{
struct kbd_softc *sc = kbd_cd.cd_devs[KBDUNIT(dev)];
int s;
int ret;
if (KBDFLAG(dev) == KBDFLAG_CONUNIT)
return(ENXIO);
if (rw == FWRITE)
return 0;
s = spltty();
if (!sc->sc_q.c_cc) {
selrecord(p, &sc->sc_rsel);
ret = 0;
} else
ret = 1;
splx(s);
return ret;
}
#else
int
kbdpoll(dev, events, p)
dev_t dev;
int events;
struct proc *p;
{
struct kbd_softc *sc = kbd_cd.cd_devs[KBDUNIT(dev)];
int revents = 0;
int s = spltty();
if (KBDFLAG(dev) == KBDFLAG_CONUNIT)
return(ENXIO);
if (events & (POLLIN | POLLRDNORM))
if (sc->sc_q.c_cc > 0)
revents |= events & (POLLIN | POLLRDNORM);
else
selrecord(p, &sc->sc_rsel);
splx(s);
return (revents);
}
#endif
int
kbdioctl(dev, cmd, data, flag, p)
dev_t dev;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
/* struct kbd_softc *sc = kbd_cd.cd_devs[KBDUNIT(dev)];*/
struct kbd_autorepeat *kbdar = (void *)data;
int *leds = (int *)data;
int s;
switch (cmd) {
case KBD_GETAUTOREPEAT:
/* if (KBDFLAG(dev) == KBDFLAG_RAWUNIT)
return(EINVAL);*/
*kbdar = kbdautorepeat;
break;
case KBD_SETAUTOREPEAT:
/* if (KBDFLAG(dev) == KBDFLAG_RAWUNIT)
return(EINVAL);*/
s = spltty();
kbdautorepeat = *kbdar;
if (kbdautorepeat.ka_rate < 1)
kbdautorepeat.ka_rate = 1;
if (kbdautorepeat.ka_rate > 50)
kbdautorepeat.ka_rate = 50;
if (kbdautorepeat.ka_delay > 50)
kbdautorepeat.ka_delay = 50;
if (kbdautorepeat.ka_delay < 1)
kbdautorepeat.ka_delay = 1;
(void)splx(s);
break;
case KBD_SETLEDS:
kbdsetleds(*leds);
break;
default:
return(ENXIO);
}
return(0);
}
/* Low level keyboard driver functions */
/*
* kbdcmd
*
* Send a command to the keyboard
* Returns 0 if command succeeded or 1 if it failed.
*/
int
kbdcmd(cmd)
u_char cmd;
{
u_char c;
int i = 0;
int retry;
for (retry = 7; retry >= 0; --retry) {
/* Wait for empty kbd transmit register */
for (i = 1000; i; i--) {
if (inb(IOMD_KBDCR) & 0x80)
break;
delay(200);
}
if (i == 0)
printf("kbd: transmit not ready\n");
outb(IOMD_KBDDAT, cmd);
delay(200);
/* Wait for full kbd receive register */
for (i = 0; i < 1000; i++) {
c = inb(IOMD_KBDCR);
if ((c & 0x20) == 0x20)
break;
delay(100);
}
delay(100);
/* Get byte from kbd receive register */
c = inb(IOMD_KBDDAT);
if ((c == KBR_ACK) || (c == KBR_ECHO))
return(0);
/* Failed if we have more reties to go flush kbd */
if (retry)
kbd_flush_input();
}
printf("kbd: command failed, cmd = %02x, status = %02x\n", cmd, c);
return(1);
}
/*
* kbd_flush_input()
*
* Flushes the keyboard input register
*/
void
kbd_flush_input()
{
int i;
/* Loop round reading bytes while the receive buffer is not empty */
for (i = 0; i < 20; i++) {
if ((inb(IOMD_KBDCR) & 0x20) == 0)
break;
delay(100);
(void)inb(IOMD_KBDDAT);
}
}
/*
* kbdreset()
*
* Resets the keyboard.
* Returns 0 if successful.
* Returns 1 if keyboard could not be enabled.
* Returns 2 if keyboard could not be reset.
*/
int
kbdreset()
{
int i;
u_char c;
kbd_flush_input();
/* Disable, wait then enable the keyboard interface */
outb(IOMD_KBDCR, 0x00);
delay(100);
outb(IOMD_KBDCR, 0x08);
/* Wait for kdata and kclk to go high */
for (i = 1000; i; i--) {
if ((inb(IOMD_KBDCR) & 0x03) == 0x03)
break;
outb(IOMD_KBDCR, 0x03);
delay(200);
outb(IOMD_KBDCR, 0x08);
}
if (i == 0 || (inb(IOMD_KBDCR) & 0x08) == 0)
return(1);
kbd_flush_input();
kbdcmd(KBC_DISABLE);
retry:
kbdcmd(KBC_RESET);
delay(100000);
for (i = 10000; i; i--) {
c = inb(IOMD_KBDDAT);
if (c == KBR_RSTDONE)
break;
if (c == KBR_RESEND)
goto retry;
delay(1000);
}
if (i == 0)
return(2);
kbdcmd(KBC_SETSCANTBL);
kbdcmd(KBD_SETSCAN_2);
kbdcmd(KBC_ENABLE);
modifiers = MODIFIER_NUM;
kbdsetleds((modifiers >> 3) & 7);
return(0);
}
void
kbdsetleds(leds)
int leds;
{
kbdcmd(KBC_SETLEDS);
kbdcmd(leds);
}
void
kbdsetstate(state)
int state;
{
modifiers = state & MODIFIER_LOCK_MASK;
kbdsetleds((modifiers >> 3) & 7);
}
int
kdbgetstate()
{
return(modifiers);
}
int
getkey_polled()
{
int code;
int key;
int up;
key_struct *ks;
int s;
s = splhigh();
key = 0;
do {
while ((ReadByte(IOMD_KBDCR) & (1<<5)) == 0) ;
delay(10);
/* Read the IOMD keyboard register and process the key */
code = PollKeyboard(ReadByte(IOMD_KBDDAT));
if (code != 0) {
up = (code & 0x100);
key = code & 0xff;
/* printf("code=%04x mod=%04x\n", code, modifiers);*/
/* By default we use the main keycode lookup table */
ks = keys;
/* If we have an E0 or E1 sqeuence we use the extended table */
if (code > 0x1ff)
ks = E0keys;
/* Is the key a temporary modifier ? */
if (ks[key].flags & MODIFIER_MASK) {
if (up)
modifiers &= ~ks[key].flags;
else
modifiers |= ks[key].flags;
key = 0;
continue;
}
/* Is the key a locking modifier ? */
if (ks[key].flags & MODIFIER_LOCK_MASK) {
if (!up) {
modifiers ^= ks[key].flags;
kbdsetleds((modifiers >> 3) & 7);
}
key = 0;
continue;
}
/* Lookup the correct key code */
if (modifiers & 0x01)
key = ks[key].ctrl_code;
else if (modifiers & 0x02)
key = ks[key].shift_code;
else if (modifiers & 0x04)
key = ks[key].alt_code;
else
key = ks[key].base_code;
if (modifiers & MODIFIER_CAPS) {
if ((key >= 'A' && key <= 'Z') || (key >= 'a' && key <= 'z'))
key ^= 0x20;
}
if (up)
key = 0;
if (!up && key >= 0x200) {
#if (NVT > 0)
if ((key & ~0x0f) == 0x480)
console_switch((key & 0x0f) - 1);
else
#endif
switch (key) {
#if (NVT > 0)
case 0x201:
console_scrollforward();
break;
case 0x200:
console_scrollback();
break;
#endif
default:
break;
}
key = 0;
}
}
} while (key == 0);
if (key == '\r')
key = '\n';
splx(s);
return(key);
}
/* Keyboard IRQ handler */
int
kbdintr(arg)
void *arg;
{
struct kbd_softc *sc = arg;
int key;
/* Read the IOMD keyboard register and process the key */
key = PollKeyboard(ReadByte(IOMD_KBDDAT));
/* If we have a raw keycode convert it to an ASCII code */
if (key != 0)
kbddecodekey(sc, key);
return(1); /* Claim interrupt */
}
/* Flags used to decode the raw keys */
#define FLAG_KEYUP 0x01
#define FLAG_E0 0x02
#define FLAG_E1 0x04
static int flags = 0;
/*
* This function is now misnamed.
* It processes the raw key codes from the keyboard and generates
* a unique code that can be decoded with the key translation array.
*/
int
PollKeyboard(code)
int code;
{
/* printf("%02x.", code);*/
/*
* Set the keyup flag if this is the release code.
*/
if (code == 0xf0) {
flags |= FLAG_KEYUP;
return(0);
}
/* If it is a special code ignore it */
if (code == 0xff || code == 0x00) {
flags = 0;
return(0);
}
/* If it is a resend code note it down */
if (code == KBR_RESEND) {
printf("kbd:resend\n");
kbd_resend = 1;
return(0);
}
/* If it is an ack code note it down */
if (code == KBR_ACK) {
/* printf("kbd:ack\n");*/
kbd_ack = 1;
return(0);
}
/* Flag the start of an E0 sequence. */
if (code == 0xe0) {
flags |= FLAG_E0;
return(0);
}
/* Flag the start of an E1 sequence. */
if (code == 0xe1) {
flags |= FLAG_E1;
return(0);
}
/* Ignore any other invalid codes */
if (code > 0x8f) {
flags = 0;
return(0);
}
/* printf("%02x:%02x.", code, flags);*/
/* Mark the code appropriately if it is part of an E0 sequence */
if (flags & FLAG_E0) {
flags &= ~FLAG_E0;
if (code == 0x12) {
flags &= ~FLAG_KEYUP;
return(0);
}
code |= 0x200;
}
/* Mark the key if it is the upcode */
if (flags & FLAG_KEYUP) {
flags &= ~FLAG_KEYUP;
code |= 0x100;
}
/* Mark the code appropriately if it is part of an E1 sequence */
if (flags & FLAG_E1) {
if ((code & 0xff) == 0x14) {
return(0);
}
flags &= ~FLAG_E1;
code |= 0x400;
flags &= ~FLAG_KEYUP;
}
return(code);
}
/*
* This routine decodes the unique keycode and generates an ASCII code
* if necessary.
*/
int
kbddecodekey(sc, code)
struct kbd_softc *sc;
int code;
{
key_struct *ks;
int up;
int key;
console_unblank();
/* Do we have the raw kbd device open ... */
if (rawkbd_device == 1 && code != 0) {
struct kbd_data buffer;
int s;
/* Add this event to the queue. */
buffer.keycode = code;
microtime(&buffer.event_time);
s=spltty();
(void) b_to_q((char *)&buffer, sizeof(buffer), &sc->sc_q);
splx(s);
selwakeup(&sc->sc_rsel);
if (sc->sc_state & RAWKBD_ASLEEP) {
sc->sc_state &= ~RAWKBD_ASLEEP;
wakeup((caddr_t)sc);
}
psignal(sc->sc_proc, SIGIO);
return(1);
}
up = (code & 0x100);
key = code & 0xff;
/* By default we use the main keycode lookup table */
ks = keys;
/* If we have an E0 or E1 sqeuence we use the extended table */
if (code > 0x1ff)
ks = E0keys;
/* Is the key a temporary modifier ? */
if (ks[key].flags & MODIFIER_MASK) {
if (up)
modifiers &= ~ks[key].flags;
else
modifiers |= ks[key].flags;
return(0);
}
/* Is the key a locking modifier ? */
if (ks[key].flags & MODIFIER_LOCK_MASK) {
if (!up) {
modifiers ^= ks[key].flags;
kbdsetleds((modifiers >> 3) & 7);
}
return(0);
}
/* Lookup the correct key code */
if (modifiers & 0x01)
key = ks[key].ctrl_code;
else if (modifiers & 0x02)
key = ks[key].shift_code;
else if (modifiers & 0x04)
key = ks[key].alt_code;
else
key = ks[key].base_code;
if (modifiers & MODIFIER_CAPS) {
if ((key >= 'A' && key <= 'Z') || (key >= 'a' && key <= 'z'))
key ^= 0x20;
}
/* If no valid code the key is not yet mapped so report error */
#ifdef DEBUG_TERM
/* if (key == 0) {
char err[80];
sprintf(err, "\n\rUnknown keycode %04x\n\r", code);
dprintf(err);
}*/
#endif
/* If we have an ASCII code insert it into the keyboard buffer */
if (!up && key != 0) {
if (key >= 0x200) {
untimeout(autorepeatstart, &autorepeatkey);
untimeout(autorepeat, &autorepeatkey);
autorepeatkey = -1;
#if (NVT > 0)
if ((key & ~0x0f) == 0x480)
console_switch((key & 0x0f) - 1);
else
#endif
switch (key) {
case 0x22b:
pmap_debug(pmap_debug_level + 1);
break;
case 0x22d:
pmap_debug(pmap_debug_level - 1);
break;
#if (NVT > 0)
case 0x201:
console_scrollforward();
break;
case 0x200:
console_scrollback();
break;
case 0x202:
console_switchdown();
break;
case 0x203:
console_switchup();
break;
#endif
case 0x204:
--kbdautorepeat.ka_rate;
if (kbdautorepeat.ka_rate < 1)
kbdautorepeat.ka_rate = 1;
break;
case 0x205:
++kbdautorepeat.ka_rate;
if (kbdautorepeat.ka_rate > 50)
kbdautorepeat.ka_rate = 50;
break;
case 0x20a:
++kbdautorepeat.ka_delay;
if (kbdautorepeat.ka_delay > 50)
kbdautorepeat.ka_delay = 50;
break;
case 0x20b:
--kbdautorepeat.ka_delay;
if (kbdautorepeat.ka_delay < 1)
kbdautorepeat.ka_delay = 1;
break;
#ifdef DDB
case 0x208:
Debugger();
break;
#endif
case 0x21b:
printf("Kernel interruption\n");
boot(RB_HALT, NULL);
break;
case 0x209:
printf("Kernel interruption - nosync\n");
boot(RB_NOSYNC | RB_HALT, NULL);
break;
default:
printf("Special key %04x\n", key);
break;
}
} else {
/*
* Check rawkbd_device first, in case we stick in the
* physconkbd().
*/
if (rawkbd_device == 0 && physconkbd(key) == 0) {
if (autorepeatkey != key) {
untimeout(autorepeatstart, &autorepeatkey);
untimeout(autorepeat, &autorepeatkey);
autorepeatkey = key;
timeout(autorepeatstart, &autorepeatkey, hz/kbdautorepeat.ka_delay);
}
}
return(1);
}
} else {
untimeout(autorepeatstart, &autorepeatkey);
untimeout(autorepeat, &autorepeatkey);
autorepeatkey = -1;
}
return(0);
}
void
autorepeatstart(key)
void *key;
{
physconkbd(*((int *)key));
timeout(autorepeat, key, hz/kbdautorepeat.ka_rate);
}
void
autorepeat(key)
void *key;
{
physconkbd(*((int *)key));
timeout(autorepeat, key, hz/kbdautorepeat.ka_rate);
}
/* End of kbd.c */
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