plocher%sally@Sun.COM (John Plocher) (06/07/89)
:
#!/bin/sh
# This is a shell archive created by yasa (1.74jmp).
# Run the following text with /bin/sh to extract.
#
# Archive: /usr/src2/public/drivers/mouse/ms.driver
#
# This archive is a complete distribution by itself.
#
# Packed under unix by plocher@lessa (John Plocher)
# Date: Tue Jun 6 23:30:38 1989
#
# This archive will not overwrite existing files
# inless invoked with the -c flag: sh SHARNAME -c
#
PATH=/bin:/usr/bin ; export PATH
YASASTART=`pwd`
echo x - mouse.c
if [ -f mouse.c -a "${1}" != "-c" ] ;then
echo "shar: will not overwrite 'mouse.c'"
else
sed "s/^X//" << \!End-Of-mouse.c! > mouse.c
X/*
X * Simple mouse driver for the Logitech Bus Mouse
X * Mouse deltas and button state is accessed through an ioctl()
X *
X * Written By
X * John Plocher
X * Jas Cluff
X * Ken Chapin
X *
X * This code is released into the Public Domain
X */
X
X/*
X** Compile with cc -Ml -c mouse.c V/286 (V/AT)
X** cc -c mouse.c V/386 (3.0 or 3.2)
X**
X** Install in the kernel configuration directories
X** generate a kernel & reboot off of it
X** run the tst program to test out behavior
X*/
X
X#include "sys/param.h"
X#include "sys/types.h"
X#include "sys/dir.h"
X#include "sys/signal.h"
X#include "sys/user.h"
X#include "sys/errno.h"
X#include "mouse.h"
X
X#ifdef DEBUG
X# define Dprintf(string) printf(string)
X#else
X# define Dprintf(string)
X#endif
X
Xmsinit()
X{
X /* Is mouse there? */
X
X/* Test hardware registers to see if installed TODO */
X
X /* Initailize registers */
X outb(CONTROL, MOUSEDEFAULT);
X outb(PORTC, PORTC_DISABLE_INTERRUPTS);
X
X /* Say hello world */
X#ifdef USE_INTS
X printf("ms 1.01 %x-%x %x Ints are used\n",
X#else
X printf("ms 1.01 %x-%x %x No ints for now\n",
X#endif
X PORTA, CONTROL, inb(SIGNATURE_PORT));
X}
X
Xmsstart()
X{
X Dprintf("MSSTART\n");
X}
X
Xmsopen()
X{
X Dprintf("MSOPEN\n");
X /* Enable interrupts */
X#ifdef USE_INTS
X outb(PORTC, PORTC_ENABLE_INTERRUPTS);
X#endif
X}
X
Xmsclose()
X{
X /* Disable interrupts */
X Dprintf("MSCLOSE\n");
X outb(PORTC, PORTC_DISABLE_INTERRUPTS);
X}
X
Xmsread()
X{
X/* NOP - do nothing but disable interrupt generator on bus mouse board */
X Dprintf("MSREAD\n");
X outb(PORTC, PORTC_DISABLE_INTERRUPTS);
X}
X
Xmswrite()
X{
X/* NOP - do nothing but disable interrupt generator on bus mouse board */
X Dprintf("MSWRITE\n");
X outb(PORTC, PORTC_DISABLE_INTERRUPTS);
X}
X
Xmsioctl(dev, cmd, arg)
Xint dev, cmd, *arg;
X{
X /* Get mouse values for user */
X
X /*
X ** The Bus Mouse board keeps a running delta between reads
X ** so all we do here is send it back to the user when she wants it
X */
X
X register struct mousedat md;
X register unsigned int i;
X
X switch(cmd) {
X case MIOGETDATA:outb(PORTC, READ_X_LOW);
X md.deltax = inb(PORTA) & 0xf;
X outb(PORTC, READ_X_HIGH);
X md.deltax |= (inb(PORTA) & 0xf) << 4;
X
X outb(PORTC, READ_Y_LOW );
X md.deltay = inb(PORTA) & 0xf;
X outb(PORTC, READ_Y_HIGH);
X i = inb(PORTA);
X outb(PORTC, PORTC_DISABLE_INTERRUPTS);
X md.deltay |= (i & 0xf) << 4;
X md.buttons = i >> 5;
X
X if (copyout(&md, arg, sizeof md))
X u.u_error = EFAULT;
X break;
X
X default: u.u_error = EFAULT;
X break;
X }
X}
X
Xmsintr()
X{
X
X/*
X** Not Used - might be used to keep a running delta and send a signal to
X** the controlling tty if a button was pressed ....
X*/
X /* Respond to squeak */
X Dprintf("M");
X}
X
!End-Of-mouse.c!
if [ "`wc -c mouse.c`" != " 2632 mouse.c" ]
then
echo ' mouse.c may be bad'
fi
fi
echo x - mouse.h
if [ -f mouse.h -a "${1}" != "-c" ] ;then
echo "shar: will not overwrite 'mouse.h'"
else
sed "s/^X//" << \!End-Of-mouse.h! > mouse.h
X/* mouse.h: header file for Logitech Bus Mouse driver */
X
X#ifndef MOUSE_H
X#define MOUSE_H
X
X/* #define USE_INTS /* Should the driver use interrupts? */
X
X#define PORTA 0x23c /* 1100 */
X#define SIGNATURE_PORT 0x23d /* 1101 */
X#define PORTC 0x23e /* 1110 */
X#define CONTROL 0x23f /* 1111 */
X
X#define SETMODE 0x80 /* 1xxx xxxx */
X /* Group A */
X#define M_AMODE0 0x00 /* x00x xxxx */
X#define M_AMODE1 0x20 /* x01x xxxx */
X#define M_AMODE2 0x40 /* x10x xxxx */
X#define M_AIN 0x10 /* xxx1 xxxx */
X#define M_AOUT 0x00 /* xxx0 xxxx */
X#define M_CUIN 0x08 /* xxxx 1xxx */
X#define M_CUOUT 0x00 /* xxxx 0xxx */
X /* Group B */
X#define M_BMODE0 0x00 /* xxxx x0xx */
X#define M_BMODE1 0x04 /* xxxx x1xx */
X#define M_BIN 0x02 /* xxxx xx1x */
X#define M_BOUT 0x00 /* xxxx xx0x */
X#define M_CLIN 0x01 /* xxxx xxx1 */
X#define M_CLOUT 0x00 /* xxxx xxx0 */
X
X#define MOUSEDEFAULT (SETMODE|M_AMODE0|M_AIN) /* 1001 0000 */
X
X#define READ_X_LOW 0x80 /* 1000 0000 */
X#define READ_X_HIGH 0xa0 /* 1010 0000 */
X#define READ_Y_LOW 0xc0 /* 1100 0000 */
X#define READ_Y_HIGH 0xe0 /* 1110 0000 */
X
X#define PORTC_ENABLE_INTERRUPTS 0x80 /* 1000 0000 */
X#define PORTC_DISABLE_INTERRUPTS 0x10 /* 0000 0000 */
X
Xstruct mousedat {
X unsigned char buttons;
X char deltax,deltay;
X};
X
X/* IOCTLS */
X#define MIOGETDATA (('M'<<8) | 0x01) /* get mouse data */
X
X#endif
X
!End-Of-mouse.h!
if [ "`wc -c mouse.h`" != " 1334 mouse.h" ]
then
echo ' mouse.h may be bad'
fi
fi
echo x - tst.c
if [ -f tst.c -a "${1}" != "-c" ] ;then
echo "shar: will not overwrite 'tst.c'"
else
sed "s/^X//" << \!End-Of-tst.c! > tst.c
X
X/*
X** Test program for Mouse Driver
X*/
X
X/* #define USE_GFX /* Microport 2.4 (286) or 3.0e (386) graphics interface */
X
X#include <sys/io_op.h>
X#include <sys/types.h>
X#ifdef USE_GFX
X#include <gfx.h>
X#endif
X#include "mouse.h"
X
Xint mousefd;
X
X#ifdef USE_GFX
XGfx_Bitmap bm;
X#endif
X
Xmain()
X{
X register struct mousedat new,old;
X register int xpos, ypos;
X
X old.deltax = old.deltay = old.buttons = 1;
X
X if ((mousefd = open("/dev/mouse")) == -1) {
X perror("open of mouse device");
X exit(1);
X }
X
X#ifdef USE_GFX
X if (!(bm = gfx_open())) {
X perror("open of gfx");
X exit(1);
X }
X gfx_mode(bm, GRAPHIC);
X gfx_clear(bm, BLACK);
X ega_flush();
X#else
X#endif
X
X xpos = ypos = 1;
X while (old.buttons != 7) { /* press all 3 buttons to quit */
X readmouse(&new);
X if (memcmp(&old, &new, sizeof(struct mousedat))) {
X#ifdef USE_GFX
X gfx_rect(bm,xpos-1, ypos-1,xpos+1, ypos+1,7+old.buttons,GFX_XOR);
X xpos += new.deltax; ypos += new.deltay;
X gfx_rect(bm,xpos-1, ypos-1,xpos+1, ypos+1,7+new.buttons,GFX_XOR);
X ega_flush();
X memcpy(&old, &new, sizeof(struct mousedat));
X#else
X xpos += new.deltax; ypos += new.deltay;
X printf("X=%03d Y=%03d Buttons=%c%c%c\n", xpos, ypos,
X new.buttons & 1 ? '*' : ' ',
X new.buttons & 2 ? '*' : ' ',
X new.buttons & 4 ? '*' : ' ' );
X#endif
X }
X }
X#ifdef USE_GFX
X gfx_dot(bm,xpos, ypos, BLACK, GFX_SRC);
X ega_flush();
X gfx_mode(bm, ALPHA);
X#else
X#endif
X}
X
Xreadmouse( md )
Xregister struct mousedat *md;
X{
X if ((ioctl(mousefd, MIOGETDATA, md)) == -1) {
X perror("IOCTL failed on /dev/mouse");
X exit(2);
X }
X}
X
!End-Of-tst.c!
if [ "`wc -c tst.c`" != " 1584 tst.c" ]
then
echo ' tst.c may be bad'
fi
fi