[Linuxconsole-commit]CVS: ruby/linux/drivers/input/mouse rpcmouse.c,NONE,1.12

[Vojtech P. <vo...@us...>]

Update of /cvsroot/linuxconsole/ruby/linux/drivers/input/mouse
In directory usw-pr-cvs1:/tmp/cvs-serv14381

Added Files:
      Tag: 1.12
	rpcmouse.c 
Log Message:
Moved.

--- NEW FILE: rpcmouse.c ---
/*
 * $Id: rpcmouse.c,v 1.12 2002/01/22 20:48:59 vojtech Exp $
 *
 *  Copyright (c) 2000-2001 Vojtech Pavlik
 *
 *  Based on the work of:
 *      Russel King
 */

/*
 * Acorn RiscPC mouse driver for Linux/ARM
 */

/*
 * 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 <vo...@uc...>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */


#include <linux/module.h>
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <linux/interrupt.h>
#include <linux/init.h>

#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/iomd.h>

MODULE_AUTHOR("Vojtech Pavlik <vo...@uc...>");
MODULE_DESCRIPTION("Acorn RiscPC mouse driver");
MODULE_LICENSE("GPL");

#define IOMD_MOUSEBTN	0x800C4000

static short rpcmouse_lastx, rpcmouse_lasty;

static struct input_dev rpcmouse_dev = {
	evbit:		{ BIT(EV_KEY) | BIT(EV_REL) },
	keybit: 	{ [LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT) },
	relbit:		{ BIT(REL_X) | BIT(REL_Y) },
	name:		"Acorn RiscPC Mouse",
	phys:		"rpcmouse/input0",
	idbus:		BUS_ISA,
	idvendor:	0x0005,
	idproduct:	0x0001,
	idversion:	0x0100,
};

static void rpcmouse_irq(int irq, void *dev_id, struct pt_regs *regs)
{
	short x, y, dx, dy, b;

	x = (short) inl(IOMD_MOUSEX);
	y = (short) inl(IOMD_MOUSEY);
	b = (short) inl(IOMD_MOUSEBTN);

	dx = x - rpcmouse_lastx;
	dy = y - rpcmouse_lasty; 

	rpcmouse_lastx = x;
	rpcmouse_lasty = y;

	input_report_rel(&rpcmouse_dev, REL_X, dx);
	input_report_rel(&rpcmouse_dev, REL_Y, dy);

	input_report_key(&amimouse_dev, BTN_LEFT,   buttons & 0x10);
	input_report_key(&amimouse_dev, BTN_MIDDLE, buttons & 0x20);
	input_report_key(&amimouse_dev, BTN_RIGHT,  buttons & 0x40);
}

static int __init rpcmouse_init(void)
{
	rpcmouse_lastx = (short) inl(IOMD_MOUSEX);
	rpcmouse_lasty = (short) inl(IOMD_MOUSEY);

	if (request_irq(IRQ_VSYNCPULSE, rpcmouse_irq, SA_SHIRQ, "rpcmouse", NULL)) {
		printk(KERN_ERR "rpcmouse: unable to allocate VSYNC interrupt\n");
		return -1;
	}

	input_register_device(&rpcmouse_dev);
	printk(KERN_INFO "input%d: Acorn RiscPC mouse irq %d", IRQ_VSYNCPULSE);

	return 0;
}

static void __exit rpcmouse_exit(void)
{
	input_unregister_device(&rpcmouse_dev);
	free_irq(IRQ_VSYNCPULSE, NULL);
}

module_init(rpcmouse_init);
module_exit(rpcmouse_exit);