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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154// SPDX-License-Identifier: GPL-2.0-only/* * Atari mouse driver for Linux/m68k * * Copyright (c) 2005 Michael Schmitz * * Based on: * Amiga mouse driver for Linux/m68k * * Copyright (c) 2000-2002 Vojtech Pavlik *//* * The low level init and interrupt stuff is handled in arch/mm68k/atari/atakeyb.c * (the keyboard ACIA also handles the mouse and joystick data, and the keyboard * interrupt is shared with the MIDI ACIA so MIDI data also get handled there). * This driver only deals with handing key events off to the input layer. * * Largely based on the old: * * Atari Mouse Driver for Linux * by Robert de Vries (robert@and.nl) 19Jul93 * * 16 Nov 1994 Andreas Schwab * Compatibility with busmouse * Support for three button mouse (shamelessly stolen from MiNT) * third button wired to one of the joystick directions on joystick 1 * * 1996/02/11 Andreas Schwab * Module support * Allow multiple open's * * Converted to use new generic busmouse code. 5 Apr 1998 * Russell King <rmk@arm.uk.linux.org> */
#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 <linux/uaccess.h>#include <asm/atarihw.h>#include <asm/atarikb.h>#include <asm/atariints.h>
MODULE_AUTHOR("Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>");MODULE_DESCRIPTION("Atari mouse driver");MODULE_LICENSE("GPL");
static int mouse_threshold[2] = {2, 2};module_param_array(mouse_threshold, int, NULL, 0);
#ifdef FIXED_ATARI_JOYSTICKextern int atari_mouse_buttons;#endif
static struct input_dev *atamouse_dev;
static void atamouse_interrupt(char *buf){ int buttons, dx, dy;
buttons = (buf[0] & 1) | ((buf[0] & 2) << 1);#ifdef FIXED_ATARI_JOYSTICK buttons |= atari_mouse_buttons & 2; atari_mouse_buttons = buttons;#endif
/* only relative events get here */ dx = buf[1]; dy = buf[2];
input_report_rel(atamouse_dev, REL_X, dx); input_report_rel(atamouse_dev, REL_Y, dy);
input_report_key(atamouse_dev, BTN_LEFT, buttons & 0x4); input_report_key(atamouse_dev, BTN_MIDDLE, buttons & 0x2); input_report_key(atamouse_dev, BTN_RIGHT, buttons & 0x1);
input_sync(atamouse_dev);
return;}
static int atamouse_open(struct input_dev *dev){#ifdef FIXED_ATARI_JOYSTICK atari_mouse_buttons = 0;#endif ikbd_mouse_y0_top(); ikbd_mouse_thresh(mouse_threshold[0], mouse_threshold[1]); ikbd_mouse_rel_pos(); atari_input_mouse_interrupt_hook = atamouse_interrupt;
return 0;}
static void atamouse_close(struct input_dev *dev){ ikbd_mouse_disable(); atari_input_mouse_interrupt_hook = NULL;}
static int __init atamouse_init(void){ int error;
if (!MACH_IS_ATARI || !ATARIHW_PRESENT(ST_MFP)) return -ENODEV;
error = atari_keyb_init(); if (error) return error;
atamouse_dev = input_allocate_device(); if (!atamouse_dev) return -ENOMEM;
atamouse_dev->name = "Atari mouse"; atamouse_dev->phys = "atamouse/input0"; atamouse_dev->id.bustype = BUS_HOST; atamouse_dev->id.vendor = 0x0001; atamouse_dev->id.product = 0x0002; atamouse_dev->id.version = 0x0100;
atamouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); atamouse_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); atamouse_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
atamouse_dev->open = atamouse_open; atamouse_dev->close = atamouse_close;
error = input_register_device(atamouse_dev); if (error) { input_free_device(atamouse_dev); return error; }
return 0;}
static void __exit atamouse_exit(void){ input_unregister_device(atamouse_dev);}
module_init(atamouse_init);module_exit(atamouse_exit);