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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Input: logibm - remove driver
Bus mice use specialized bus interface implemented via an ISA add-in
cards. They were superseded by PS/2 and later USB.
Kconfig entry for the Logitech bus mice states that they "are rather
rare these days". This statement was true in 2002 and is no less true
in 2024.
Remove the driver.
Link: https://patch.msgid.link/20240808172733.1194442-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-177
-10
drivers/input/mouse/Kconfig
-10
drivers/input/mouse/Kconfig
···
290
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If unsure, say Y.
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293
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config MOUSE_LOGIBM
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tristate "Logitech busmouse"
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depends on ISA
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help
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Say Y here if you have a Logitech busmouse.
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They are rather rare these days.
299
-
300
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To compile this driver as a module, choose M here: the
301
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module will be called logibm.
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-
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293
config MOUSE_PC110PAD
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294
tristate "IBM PC110 touchpad"
305
295
depends on ISA
-1
drivers/input/mouse/Makefile
-1
drivers/input/mouse/Makefile
···
12
12
obj-$(CONFIG_MOUSE_CYAPA) += cyapatp.o
13
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obj-$(CONFIG_MOUSE_ELAN_I2C) += elan_i2c.o
14
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obj-$(CONFIG_MOUSE_GPIO) += gpio_mouse.o
15
-
obj-$(CONFIG_MOUSE_LOGIBM) += logibm.o
16
15
obj-$(CONFIG_MOUSE_MAPLE) += maplemouse.o
17
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obj-$(CONFIG_MOUSE_PC110PAD) += pc110pad.o
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obj-$(CONFIG_MOUSE_PS2) += psmouse.o
-166
drivers/input/mouse/logibm.c
-166
drivers/input/mouse/logibm.c
···
1
-
// SPDX-License-Identifier: GPL-2.0-or-later
2
-
/*
3
-
* Copyright (c) 1999-2001 Vojtech Pavlik
4
-
*
5
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* Based on the work of:
6
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* James Banks Matthew Dillon
7
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* David Giller Nathan Laredo
8
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* Linus Torvalds Johan Myreen
9
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* Cliff Matthews Philip Blundell
10
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* Russell King
11
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*/
12
-
13
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/*
14
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* Logitech Bus Mouse Driver for Linux
15
-
*/
16
-
17
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#include <linux/module.h>
18
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#include <linux/delay.h>
19
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#include <linux/ioport.h>
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#include <linux/init.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
23
-
24
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#include <asm/io.h>
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#include <asm/irq.h>
26
-
27
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MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
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MODULE_DESCRIPTION("Logitech busmouse driver");
29
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MODULE_LICENSE("GPL");
30
-
31
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#define LOGIBM_BASE 0x23c
32
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#define LOGIBM_EXTENT 4
33
-
34
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#define LOGIBM_DATA_PORT LOGIBM_BASE + 0
35
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#define LOGIBM_SIGNATURE_PORT LOGIBM_BASE + 1
36
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#define LOGIBM_CONTROL_PORT LOGIBM_BASE + 2
37
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#define LOGIBM_CONFIG_PORT LOGIBM_BASE + 3
38
-
39
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#define LOGIBM_ENABLE_IRQ 0x00
40
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#define LOGIBM_DISABLE_IRQ 0x10
41
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#define LOGIBM_READ_X_LOW 0x80
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#define LOGIBM_READ_X_HIGH 0xa0
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#define LOGIBM_READ_Y_LOW 0xc0
44
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#define LOGIBM_READ_Y_HIGH 0xe0
45
-
46
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#define LOGIBM_DEFAULT_MODE 0x90
47
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#define LOGIBM_CONFIG_BYTE 0x91
48
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#define LOGIBM_SIGNATURE_BYTE 0xa5
49
-
50
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#define LOGIBM_IRQ 5
51
-
52
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static int logibm_irq = LOGIBM_IRQ;
53
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module_param_hw_named(irq, logibm_irq, uint, irq, 0);
54
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MODULE_PARM_DESC(irq, "IRQ number (5=default)");
55
-
56
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static struct input_dev *logibm_dev;
57
-
58
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static irqreturn_t logibm_interrupt(int irq, void *dev_id)
59
-
{
60
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char dx, dy;
61
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unsigned char buttons;
62
-
63
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outb(LOGIBM_READ_X_LOW, LOGIBM_CONTROL_PORT);
64
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dx = (inb(LOGIBM_DATA_PORT) & 0xf);
65
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outb(LOGIBM_READ_X_HIGH, LOGIBM_CONTROL_PORT);
66
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dx |= (inb(LOGIBM_DATA_PORT) & 0xf) << 4;
67
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outb(LOGIBM_READ_Y_LOW, LOGIBM_CONTROL_PORT);
68
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dy = (inb(LOGIBM_DATA_PORT) & 0xf);
69
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outb(LOGIBM_READ_Y_HIGH, LOGIBM_CONTROL_PORT);
70
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buttons = inb(LOGIBM_DATA_PORT);
71
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dy |= (buttons & 0xf) << 4;
72
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buttons = ~buttons >> 5;
73
-
74
-
input_report_rel(logibm_dev, REL_X, dx);
75
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input_report_rel(logibm_dev, REL_Y, dy);
76
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input_report_key(logibm_dev, BTN_RIGHT, buttons & 1);
77
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input_report_key(logibm_dev, BTN_MIDDLE, buttons & 2);
78
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input_report_key(logibm_dev, BTN_LEFT, buttons & 4);
79
-
input_sync(logibm_dev);
80
-
81
-
outb(LOGIBM_ENABLE_IRQ, LOGIBM_CONTROL_PORT);
82
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return IRQ_HANDLED;
83
-
}
84
-
85
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static int logibm_open(struct input_dev *dev)
86
-
{
87
-
if (request_irq(logibm_irq, logibm_interrupt, 0, "logibm", NULL)) {
88
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printk(KERN_ERR "logibm.c: Can't allocate irq %d\n", logibm_irq);
89
-
return -EBUSY;
90
-
}
91
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outb(LOGIBM_ENABLE_IRQ, LOGIBM_CONTROL_PORT);
92
-
return 0;
93
-
}
94
-
95
-
static void logibm_close(struct input_dev *dev)
96
-
{
97
-
outb(LOGIBM_DISABLE_IRQ, LOGIBM_CONTROL_PORT);
98
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free_irq(logibm_irq, NULL);
99
-
}
100
-
101
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static int __init logibm_init(void)
102
-
{
103
-
int err;
104
-
105
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if (!request_region(LOGIBM_BASE, LOGIBM_EXTENT, "logibm")) {
106
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printk(KERN_ERR "logibm.c: Can't allocate ports at %#x\n", LOGIBM_BASE);
107
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return -EBUSY;
108
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}
109
-
110
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outb(LOGIBM_CONFIG_BYTE, LOGIBM_CONFIG_PORT);
111
-
outb(LOGIBM_SIGNATURE_BYTE, LOGIBM_SIGNATURE_PORT);
112
-
udelay(100);
113
-
114
-
if (inb(LOGIBM_SIGNATURE_PORT) != LOGIBM_SIGNATURE_BYTE) {
115
-
printk(KERN_INFO "logibm.c: Didn't find Logitech busmouse at %#x\n", LOGIBM_BASE);
116
-
err = -ENODEV;
117
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goto err_release_region;
118
-
}
119
-
120
-
outb(LOGIBM_DEFAULT_MODE, LOGIBM_CONFIG_PORT);
121
-
outb(LOGIBM_DISABLE_IRQ, LOGIBM_CONTROL_PORT);
122
-
123
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logibm_dev = input_allocate_device();
124
-
if (!logibm_dev) {
125
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printk(KERN_ERR "logibm.c: Not enough memory for input device\n");
126
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err = -ENOMEM;
127
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goto err_release_region;
128
-
}
129
-
130
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logibm_dev->name = "Logitech bus mouse";
131
-
logibm_dev->phys = "isa023c/input0";
132
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logibm_dev->id.bustype = BUS_ISA;
133
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logibm_dev->id.vendor = 0x0003;
134
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logibm_dev->id.product = 0x0001;
135
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logibm_dev->id.version = 0x0100;
136
-
137
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logibm_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
138
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logibm_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
139
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BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
140
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logibm_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
141
-
142
-
logibm_dev->open = logibm_open;
143
-
logibm_dev->close = logibm_close;
144
-
145
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err = input_register_device(logibm_dev);
146
-
if (err)
147
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goto err_free_dev;
148
-
149
-
return 0;
150
-
151
-
err_free_dev:
152
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input_free_device(logibm_dev);
153
-
err_release_region:
154
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release_region(LOGIBM_BASE, LOGIBM_EXTENT);
155
-
156
-
return err;
157
-
}
158
-
159
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static void __exit logibm_exit(void)
160
-
{
161
-
input_unregister_device(logibm_dev);
162
-
release_region(LOGIBM_BASE, LOGIBM_EXTENT);
163
-
}
164
-
165
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module_init(logibm_init);
166
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module_exit(logibm_exit);