patch-2.1.126 linux/drivers/char/joystick/joy-joydump.c

• Lines: 173
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.125/linux/drivers/char/joystick/joy-joydump.c
• Orig date: Fri Oct 9 13:27:08 1998

diff -u --recursive --new-file v2.1.125/linux/drivers/char/joystick/joy-joydump.c linux/drivers/char/joystick/joy-joydump.c
@@ -1,172 +0,0 @@
-/*
- *  joydump.c  Version 1.2
- *
- *  Copyright (c) 1996-1998 Vojtech Pavlik
- */
-
-/*
- * This is just a very simple driver that can dump the data
- * out of the joystick port into the syslog ...
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or 
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- * 
- * Should you need to contact me, the author, you can do so either by
- * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
- * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
- */
-
-#include <asm/io.h>
-#include <asm/system.h>
-#include <linux/module.h>
-#include <linux/ioport.h>
-#include <linux/joystick.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-
-MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
-
-#define JS_PORT 0x201
-
-#ifdef __i386__
-static unsigned int get_time(void)
-{
-	unsigned int x;
-	__asm__ __volatile__ ( "rdtsc" : "=A" (x) );
-	return x;
-}
-#else
-
-#ifdef	__alpha__
-static unsigned int get_time(void)
-{
-	unsigned int x;
-	__asm__ __volatile__ ( "rpcc %0" : "=r" (x) );
-	return x;
-}
-#else
-
-#error "Sorry, you need a precise timer for this - define some in joydump.c"
-
-#endif
-#endif
-
-#define BUF_SIZE 128
-
-struct datatype {
-	unsigned int time;
-	unsigned char data;
-};
-
-static struct datatype buf[BUF_SIZE];
-
-int init_module(void)
-{
-	int i, j;
-	unsigned int t, t1;
-	int timeout, div;
-	unsigned long flags;
-	unsigned char u;
-
-	printk(KERN_INFO "joydump: ,------------------- START ------------------.\n");
-
-/*
- * Calibrate.
- */
-
-	__save_flags(flags);
-	__cli();
-	t = get_time();
-	udelay(1000);
-	t1 = get_time();
-	__restore_flags(flags);
-
-	timeout = t1 - t;
-	div = timeout / 1000;
-
-	printk(KERN_INFO "joydump: | Timer ticks at %d.%02d MHz.                 |\n",
-		timeout / 1000, timeout / 10 % 100);
-
-	__save_flags(flags);
-	__cli();
-	t = get_time();
-	inb(JS_PORT); inb(JS_PORT); inb(JS_PORT); inb(JS_PORT); inb(JS_PORT);
-	inb(JS_PORT); inb(JS_PORT); inb(JS_PORT); inb(JS_PORT); inb(JS_PORT);
-	t1 = get_time();
-	__restore_flags(flags);
-
-	printk(KERN_INFO "joydump: | I/O at %#x takes %d.%02d us.                |\n",
-		JS_PORT, (t1 - t) / div / 10, (t1 - t) * 10 / div % 100);
-
-	timeout *= 20;
-
-/*
- * Gather data.
- */
-
-	__save_flags(flags);
-	__cli();
-
-	u = inb(JS_PORT);
-	t = t1 = get_time();
-	buf[0].data = u;
-	buf[0].time = t1;
-	i = 1;
-
-	outb(u,JS_PORT);
-
-	while (i < BUF_SIZE && t1 - t < timeout) {
-
-		t1 = get_time();
-		buf[i].data = inb(JS_PORT);
-
-		if (buf[i].data != u) {
-			u = buf[i].data;
-			buf[i].time = t1;
-			i++;
-		}
-	}
-
-	__restore_flags(flags);
-
-/*
- * Dump data.
- */
-
-
-	t = i;
-
-	printk(KERN_INFO "joydump: >------------------- DATA -------------------<\n");
-	printk(KERN_INFO "joydump: | index: %3d delta: %3d.%02d us data: ", 0, 0, 0);
-	for (j = 7; j >= 0; j--)
-		printk("%d",(buf[0].data >> j) & 1);
-	printk(" |\n");
-	for (i = 1; i < t; i++) {
-		printk(KERN_INFO "joydump: | index: %3d delta: %3d.%02d us data: ", i,
-			(buf[i].time - buf[i-1].time) / div, (buf[i].time - buf[i-1].time) * 100 / div % 100);
-		for (j = 7; j >= 0; j--)
-			printk("%d",(buf[i].data >> j) & 1);
-		printk(" |\n");
-	}
-
-	printk(KERN_INFO "joydump: `-------------------- END -------------------'\n");
-
-	return -1;
-}
-
-void cleanup_module(void)
-{
-}