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1/*
2 * Atari mouse driver for Linux/m68k
3 *
4 * Copyright (c) 2005 Michael Schmitz
5 *
6 * Based on:
7 * Amiga mouse driver for Linux/m68k
8 *
9 * Copyright (c) 2000-2002 Vojtech Pavlik
10 *
11 */
12/*
13 * The low level init and interrupt stuff is handled in arch/mm68k/atari/atakeyb.c
14 * (the keyboard ACIA also handles the mouse and joystick data, and the keyboard
15 * interrupt is shared with the MIDI ACIA so MIDI data also get handled there).
16 * This driver only deals with handing key events off to the input layer.
17 *
18 * Largely based on the old:
19 *
20 * Atari Mouse Driver for Linux
21 * by Robert de Vries (robert@and.nl) 19Jul93
22 *
23 * 16 Nov 1994 Andreas Schwab
24 * Compatibility with busmouse
25 * Support for three button mouse (shamelessly stolen from MiNT)
26 * third button wired to one of the joystick directions on joystick 1
27 *
28 * 1996/02/11 Andreas Schwab
29 * Module support
30 * Allow multiple open's
31 *
32 * Converted to use new generic busmouse code. 5 Apr 1998
33 * Russell King <rmk@arm.uk.linux.org>
34 */
35
36
37/*
38 * This program is free software; you can redistribute it and/or modify it
39 * under the terms of the GNU General Public License version 2 as published by
40 * the Free Software Foundation
41 */
42
43#include <linux/module.h>
44#include <linux/init.h>
45#include <linux/input.h>
46#include <linux/interrupt.h>
47
48#include <asm/irq.h>
49#include <asm/setup.h>
50#include <asm/system.h>
51#include <asm/uaccess.h>
52#include <asm/atarihw.h>
53#include <asm/atarikb.h>
54#include <asm/atariints.h>
55
56MODULE_AUTHOR("Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>");
57MODULE_DESCRIPTION("Atari mouse driver");
58MODULE_LICENSE("GPL");
59
60static int mouse_threshold[2] = {2, 2};
61module_param_array(mouse_threshold, int, NULL, 0);
62
63#ifdef FIXED_ATARI_JOYSTICK
64extern int atari_mouse_buttons;
65#endif
66
67static struct input_dev *atamouse_dev;
68
69static void atamouse_interrupt(char *buf)
70{
71 int buttons, dx, dy;
72
73 buttons = (buf[0] & 1) | ((buf[0] & 2) << 1);
74#ifdef FIXED_ATARI_JOYSTICK
75 buttons |= atari_mouse_buttons & 2;
76 atari_mouse_buttons = buttons;
77#endif
78
79 /* only relative events get here */
80 dx = buf[1];
81 dy = buf[2];
82
83 input_report_rel(atamouse_dev, REL_X, dx);
84 input_report_rel(atamouse_dev, REL_Y, dy);
85
86 input_report_key(atamouse_dev, BTN_LEFT, buttons & 0x4);
87 input_report_key(atamouse_dev, BTN_MIDDLE, buttons & 0x2);
88 input_report_key(atamouse_dev, BTN_RIGHT, buttons & 0x1);
89
90 input_sync(atamouse_dev);
91
92 return;
93}
94
95static int atamouse_open(struct input_dev *dev)
96{
97#ifdef FIXED_ATARI_JOYSTICK
98 atari_mouse_buttons = 0;
99#endif
100 ikbd_mouse_y0_top();
101 ikbd_mouse_thresh(mouse_threshold[0], mouse_threshold[1]);
102 ikbd_mouse_rel_pos();
103 atari_input_mouse_interrupt_hook = atamouse_interrupt;
104
105 return 0;
106}
107
108static void atamouse_close(struct input_dev *dev)
109{
110 ikbd_mouse_disable();
111 atari_input_mouse_interrupt_hook = NULL;
112}
113
114static int __init atamouse_init(void)
115{
116 int error;
117
118 if (!MACH_IS_ATARI || !ATARIHW_PRESENT(ST_MFP))
119 return -ENODEV;
120
121 error = atari_keyb_init();
122 if (error)
123 return error;
124
125 atamouse_dev = input_allocate_device();
126 if (!atamouse_dev)
127 return -ENOMEM;
128
129 atamouse_dev->name = "Atari mouse";
130 atamouse_dev->phys = "atamouse/input0";
131 atamouse_dev->id.bustype = BUS_HOST;
132 atamouse_dev->id.vendor = 0x0001;
133 atamouse_dev->id.product = 0x0002;
134 atamouse_dev->id.version = 0x0100;
135
136 atamouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
137 atamouse_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
138 atamouse_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
139 BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
140
141 atamouse_dev->open = atamouse_open;
142 atamouse_dev->close = atamouse_close;
143
144 error = input_register_device(atamouse_dev);
145 if (error) {
146 input_free_device(atamouse_dev);
147 return error;
148 }
149
150 return 0;
151}
152
153static void __exit atamouse_exit(void)
154{
155 input_unregister_device(atamouse_dev);
156}
157
158module_init(atamouse_init);
159module_exit(atamouse_exit);
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Atari mouse driver for Linux/m68k
4 *
5 * Copyright (c) 2005 Michael Schmitz
6 *
7 * Based on:
8 * Amiga mouse driver for Linux/m68k
9 *
10 * Copyright (c) 2000-2002 Vojtech Pavlik
11 */
12/*
13 * The low level init and interrupt stuff is handled in arch/mm68k/atari/atakeyb.c
14 * (the keyboard ACIA also handles the mouse and joystick data, and the keyboard
15 * interrupt is shared with the MIDI ACIA so MIDI data also get handled there).
16 * This driver only deals with handing key events off to the input layer.
17 *
18 * Largely based on the old:
19 *
20 * Atari Mouse Driver for Linux
21 * by Robert de Vries (robert@and.nl) 19Jul93
22 *
23 * 16 Nov 1994 Andreas Schwab
24 * Compatibility with busmouse
25 * Support for three button mouse (shamelessly stolen from MiNT)
26 * third button wired to one of the joystick directions on joystick 1
27 *
28 * 1996/02/11 Andreas Schwab
29 * Module support
30 * Allow multiple open's
31 *
32 * Converted to use new generic busmouse code. 5 Apr 1998
33 * Russell King <rmk@arm.uk.linux.org>
34 */
35
36
37
38#include <linux/module.h>
39#include <linux/init.h>
40#include <linux/input.h>
41#include <linux/interrupt.h>
42
43#include <asm/irq.h>
44#include <asm/setup.h>
45#include <linux/uaccess.h>
46#include <asm/atarihw.h>
47#include <asm/atarikb.h>
48#include <asm/atariints.h>
49
50MODULE_AUTHOR("Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>");
51MODULE_DESCRIPTION("Atari mouse driver");
52MODULE_LICENSE("GPL");
53
54static int mouse_threshold[2] = {2, 2};
55module_param_array(mouse_threshold, int, NULL, 0);
56
57#ifdef FIXED_ATARI_JOYSTICK
58extern int atari_mouse_buttons;
59#endif
60
61static struct input_dev *atamouse_dev;
62
63static void atamouse_interrupt(char *buf)
64{
65 int buttons, dx, dy;
66
67 buttons = (buf[0] & 1) | ((buf[0] & 2) << 1);
68#ifdef FIXED_ATARI_JOYSTICK
69 buttons |= atari_mouse_buttons & 2;
70 atari_mouse_buttons = buttons;
71#endif
72
73 /* only relative events get here */
74 dx = buf[1];
75 dy = buf[2];
76
77 input_report_rel(atamouse_dev, REL_X, dx);
78 input_report_rel(atamouse_dev, REL_Y, dy);
79
80 input_report_key(atamouse_dev, BTN_LEFT, buttons & 0x4);
81 input_report_key(atamouse_dev, BTN_MIDDLE, buttons & 0x2);
82 input_report_key(atamouse_dev, BTN_RIGHT, buttons & 0x1);
83
84 input_sync(atamouse_dev);
85
86 return;
87}
88
89static int atamouse_open(struct input_dev *dev)
90{
91#ifdef FIXED_ATARI_JOYSTICK
92 atari_mouse_buttons = 0;
93#endif
94 ikbd_mouse_y0_top();
95 ikbd_mouse_thresh(mouse_threshold[0], mouse_threshold[1]);
96 ikbd_mouse_rel_pos();
97 atari_input_mouse_interrupt_hook = atamouse_interrupt;
98
99 return 0;
100}
101
102static void atamouse_close(struct input_dev *dev)
103{
104 ikbd_mouse_disable();
105 atari_input_mouse_interrupt_hook = NULL;
106}
107
108static int __init atamouse_init(void)
109{
110 int error;
111
112 if (!MACH_IS_ATARI || !ATARIHW_PRESENT(ST_MFP))
113 return -ENODEV;
114
115 error = atari_keyb_init();
116 if (error)
117 return error;
118
119 atamouse_dev = input_allocate_device();
120 if (!atamouse_dev)
121 return -ENOMEM;
122
123 atamouse_dev->name = "Atari mouse";
124 atamouse_dev->phys = "atamouse/input0";
125 atamouse_dev->id.bustype = BUS_HOST;
126 atamouse_dev->id.vendor = 0x0001;
127 atamouse_dev->id.product = 0x0002;
128 atamouse_dev->id.version = 0x0100;
129
130 atamouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
131 atamouse_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
132 atamouse_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
133 BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
134
135 atamouse_dev->open = atamouse_open;
136 atamouse_dev->close = atamouse_close;
137
138 error = input_register_device(atamouse_dev);
139 if (error) {
140 input_free_device(atamouse_dev);
141 return error;
142 }
143
144 return 0;
145}
146
147static void __exit atamouse_exit(void)
148{
149 input_unregister_device(atamouse_dev);
150}
151
152module_init(atamouse_init);
153module_exit(atamouse_exit);