2e5b636bb5
Input: convert drivers/input/mouse to dynamic input_dev allocation This is required for input_dev sysfs integration Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
/*
|
|
* Amiga mouse driver for Linux/m68k
|
|
*
|
|
* Copyright (c) 2000-2002 Vojtech Pavlik
|
|
*
|
|
* Based on the work of:
|
|
* Michael Rausch James Banks
|
|
* Matther Dillon David Giller
|
|
* Nathan Laredo Linus Torvalds
|
|
* Johan Myreen Jes Sorensen
|
|
* Russell King
|
|
*/
|
|
|
|
/*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published by
|
|
* the Free Software Foundation
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/input.h>
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <asm/irq.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/system.h>
|
|
#include <asm/uaccess.h>
|
|
#include <asm/amigahw.h>
|
|
#include <asm/amigaints.h>
|
|
|
|
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
|
|
MODULE_DESCRIPTION("Amiga mouse driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static int amimouse_lastx, amimouse_lasty;
|
|
static struct input_dev *amimouse_dev;
|
|
|
|
static irqreturn_t amimouse_interrupt(int irq, void *dummy, struct pt_regs *fp)
|
|
{
|
|
unsigned short joy0dat, potgor;
|
|
int nx, ny, dx, dy;
|
|
|
|
joy0dat = custom.joy0dat;
|
|
|
|
nx = joy0dat & 0xff;
|
|
ny = joy0dat >> 8;
|
|
|
|
dx = nx - amimouse_lastx;
|
|
dy = ny - amimouse_lasty;
|
|
|
|
if (dx < -127) dx = (256 + nx) - amimouse_lastx;
|
|
if (dx > 127) dx = (nx - 256) - amimouse_lastx;
|
|
if (dy < -127) dy = (256 + ny) - amimouse_lasty;
|
|
if (dy > 127) dy = (ny - 256) - amimouse_lasty;
|
|
|
|
amimouse_lastx = nx;
|
|
amimouse_lasty = ny;
|
|
|
|
potgor = custom.potgor;
|
|
|
|
input_regs(amimouse_dev, fp);
|
|
|
|
input_report_rel(amimouse_dev, REL_X, dx);
|
|
input_report_rel(amimouse_dev, REL_Y, dy);
|
|
|
|
input_report_key(amimouse_dev, BTN_LEFT, ciaa.pra & 0x40);
|
|
input_report_key(amimouse_dev, BTN_MIDDLE, potgor & 0x0100);
|
|
input_report_key(amimouse_dev, BTN_RIGHT, potgor & 0x0400);
|
|
|
|
input_sync(amimouse_dev);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int amimouse_open(struct input_dev *dev)
|
|
{
|
|
unsigned short joy0dat;
|
|
|
|
joy0dat = custom.joy0dat;
|
|
|
|
amimouse_lastx = joy0dat & 0xff;
|
|
amimouse_lasty = joy0dat >> 8;
|
|
|
|
if (request_irq(IRQ_AMIGA_VERTB, amimouse_interrupt, 0, "amimouse", amimouse_interrupt)) {
|
|
printk(KERN_ERR "amimouse.c: Can't allocate irq %d\n", IRQ_AMIGA_VERTB);
|
|
return -EBUSY;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void amimouse_close(struct input_dev *dev)
|
|
{
|
|
free_irq(IRQ_AMIGA_VERTB, amimouse_interrupt);
|
|
}
|
|
|
|
static int __init amimouse_init(void)
|
|
{
|
|
if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_MOUSE))
|
|
return -ENODEV;
|
|
|
|
if (!(amimouse_dev = input_allocate_device()))
|
|
return -ENOMEM;
|
|
|
|
amimouse_dev->name = "Amiga mouse";
|
|
amimouse_dev->phys = "amimouse/input0";
|
|
amimouse_dev->id.bustype = BUS_AMIGA;
|
|
amimouse_dev->id.vendor = 0x0001;
|
|
amimouse_dev->id.product = 0x0002;
|
|
amimouse_dev->id.version = 0x0100;
|
|
|
|
amimouse_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
|
|
amimouse_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y);
|
|
amimouse_dev->keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
|
|
amimouse_dev->open = amimouse_open;
|
|
amimouse_dev->close = amimouse_close;
|
|
|
|
input_register_device(amimouse_dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit amimouse_exit(void)
|
|
{
|
|
input_unregister_device(amimouse_dev);
|
|
}
|
|
|
|
module_init(amimouse_init);
|
|
module_exit(amimouse_exit);
|