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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 1999-2001 Vojtech Pavlik
4 *
5 * Based on the work of:
6 * Teemu Rantanen Derrick Cole
7 * Peter Cervasio Christoph Niemann
8 * Philip Blundell Russell King
9 * Bob Harris
10 */
11
12/*
13 * Inport (ATI XL and Microsoft) busmouse driver for Linux
14 */
15
16#include <linux/module.h>
17#include <linux/ioport.h>
18#include <linux/init.h>
19#include <linux/interrupt.h>
20#include <linux/input.h>
21
22#include <asm/io.h>
23#include <asm/irq.h>
24
25MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
26MODULE_DESCRIPTION("Inport (ATI XL and Microsoft) busmouse driver");
27MODULE_LICENSE("GPL");
28
29#define INPORT_BASE 0x23c
30#define INPORT_EXTENT 4
31
32#define INPORT_CONTROL_PORT INPORT_BASE + 0
33#define INPORT_DATA_PORT INPORT_BASE + 1
34#define INPORT_SIGNATURE_PORT INPORT_BASE + 2
35
36#define INPORT_REG_BTNS 0x00
37#define INPORT_REG_X 0x01
38#define INPORT_REG_Y 0x02
39#define INPORT_REG_MODE 0x07
40#define INPORT_RESET 0x80
41
42#ifdef CONFIG_MOUSE_ATIXL
43#define INPORT_NAME "ATI XL Mouse"
44#define INPORT_VENDOR 0x0002
45#define INPORT_SPEED_30HZ 0x01
46#define INPORT_SPEED_50HZ 0x02
47#define INPORT_SPEED_100HZ 0x03
48#define INPORT_SPEED_200HZ 0x04
49#define INPORT_MODE_BASE INPORT_SPEED_100HZ
50#define INPORT_MODE_IRQ 0x08
51#else
52#define INPORT_NAME "Microsoft InPort Mouse"
53#define INPORT_VENDOR 0x0001
54#define INPORT_MODE_BASE 0x10
55#define INPORT_MODE_IRQ 0x01
56#endif
57#define INPORT_MODE_HOLD 0x20
58
59#define INPORT_IRQ 5
60
61static int inport_irq = INPORT_IRQ;
62module_param_hw_named(irq, inport_irq, uint, irq, 0);
63MODULE_PARM_DESC(irq, "IRQ number (5=default)");
64
65static struct input_dev *inport_dev;
66
67static irqreturn_t inport_interrupt(int irq, void *dev_id)
68{
69 unsigned char buttons;
70
71 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
72 outb(INPORT_MODE_HOLD | INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT);
73
74 outb(INPORT_REG_X, INPORT_CONTROL_PORT);
75 input_report_rel(inport_dev, REL_X, inb(INPORT_DATA_PORT));
76
77 outb(INPORT_REG_Y, INPORT_CONTROL_PORT);
78 input_report_rel(inport_dev, REL_Y, inb(INPORT_DATA_PORT));
79
80 outb(INPORT_REG_BTNS, INPORT_CONTROL_PORT);
81 buttons = inb(INPORT_DATA_PORT);
82
83 input_report_key(inport_dev, BTN_MIDDLE, buttons & 1);
84 input_report_key(inport_dev, BTN_LEFT, buttons & 2);
85 input_report_key(inport_dev, BTN_RIGHT, buttons & 4);
86
87 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
88 outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT);
89
90 input_sync(inport_dev);
91 return IRQ_HANDLED;
92}
93
94static int inport_open(struct input_dev *dev)
95{
96 if (request_irq(inport_irq, inport_interrupt, 0, "inport", NULL))
97 return -EBUSY;
98 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
99 outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT);
100
101 return 0;
102}
103
104static void inport_close(struct input_dev *dev)
105{
106 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
107 outb(INPORT_MODE_BASE, INPORT_DATA_PORT);
108 free_irq(inport_irq, NULL);
109}
110
111static int __init inport_init(void)
112{
113 unsigned char a, b, c;
114 int err;
115
116 if (!request_region(INPORT_BASE, INPORT_EXTENT, "inport")) {
117 printk(KERN_ERR "inport.c: Can't allocate ports at %#x\n", INPORT_BASE);
118 return -EBUSY;
119 }
120
121 a = inb(INPORT_SIGNATURE_PORT);
122 b = inb(INPORT_SIGNATURE_PORT);
123 c = inb(INPORT_SIGNATURE_PORT);
124 if (a == b || a != c) {
125 printk(KERN_INFO "inport.c: Didn't find InPort mouse at %#x\n", INPORT_BASE);
126 err = -ENODEV;
127 goto err_release_region;
128 }
129
130 inport_dev = input_allocate_device();
131 if (!inport_dev) {
132 printk(KERN_ERR "inport.c: Not enough memory for input device\n");
133 err = -ENOMEM;
134 goto err_release_region;
135 }
136
137 inport_dev->name = INPORT_NAME;
138 inport_dev->phys = "isa023c/input0";
139 inport_dev->id.bustype = BUS_ISA;
140 inport_dev->id.vendor = INPORT_VENDOR;
141 inport_dev->id.product = 0x0001;
142 inport_dev->id.version = 0x0100;
143
144 inport_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
145 inport_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
146 BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
147 inport_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
148
149 inport_dev->open = inport_open;
150 inport_dev->close = inport_close;
151
152 outb(INPORT_RESET, INPORT_CONTROL_PORT);
153 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
154 outb(INPORT_MODE_BASE, INPORT_DATA_PORT);
155
156 err = input_register_device(inport_dev);
157 if (err)
158 goto err_free_dev;
159
160 return 0;
161
162 err_free_dev:
163 input_free_device(inport_dev);
164 err_release_region:
165 release_region(INPORT_BASE, INPORT_EXTENT);
166
167 return err;
168}
169
170static void __exit inport_exit(void)
171{
172 input_unregister_device(inport_dev);
173 release_region(INPORT_BASE, INPORT_EXTENT);
174}
175
176module_init(inport_init);
177module_exit(inport_exit);
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 1999-2001 Vojtech Pavlik
4 *
5 * Based on the work of:
6 * Teemu Rantanen Derrick Cole
7 * Peter Cervasio Christoph Niemann
8 * Philip Blundell Russell King
9 * Bob Harris
10 */
11
12/*
13 * Inport (ATI XL and Microsoft) busmouse driver for Linux
14 */
15
16#include <linux/module.h>
17#include <linux/ioport.h>
18#include <linux/init.h>
19#include <linux/interrupt.h>
20#include <linux/input.h>
21
22#include <asm/io.h>
23#include <asm/irq.h>
24
25MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
26MODULE_DESCRIPTION("Inport (ATI XL and Microsoft) busmouse driver");
27MODULE_LICENSE("GPL");
28
29#define INPORT_BASE 0x23c
30#define INPORT_EXTENT 4
31
32#define INPORT_CONTROL_PORT INPORT_BASE + 0
33#define INPORT_DATA_PORT INPORT_BASE + 1
34#define INPORT_SIGNATURE_PORT INPORT_BASE + 2
35
36#define INPORT_REG_BTNS 0x00
37#define INPORT_REG_X 0x01
38#define INPORT_REG_Y 0x02
39#define INPORT_REG_MODE 0x07
40#define INPORT_RESET 0x80
41
42#ifdef CONFIG_MOUSE_ATIXL
43#define INPORT_NAME "ATI XL Mouse"
44#define INPORT_VENDOR 0x0002
45#define INPORT_SPEED_30HZ 0x01
46#define INPORT_SPEED_50HZ 0x02
47#define INPORT_SPEED_100HZ 0x03
48#define INPORT_SPEED_200HZ 0x04
49#define INPORT_MODE_BASE INPORT_SPEED_100HZ
50#define INPORT_MODE_IRQ 0x08
51#else
52#define INPORT_NAME "Microsoft InPort Mouse"
53#define INPORT_VENDOR 0x0001
54#define INPORT_MODE_BASE 0x10
55#define INPORT_MODE_IRQ 0x01
56#endif
57#define INPORT_MODE_HOLD 0x20
58
59#define INPORT_IRQ 5
60
61static int inport_irq = INPORT_IRQ;
62module_param_hw_named(irq, inport_irq, uint, irq, 0);
63MODULE_PARM_DESC(irq, "IRQ number (5=default)");
64
65static struct input_dev *inport_dev;
66
67static irqreturn_t inport_interrupt(int irq, void *dev_id)
68{
69 unsigned char buttons;
70
71 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
72 outb(INPORT_MODE_HOLD | INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT);
73
74 outb(INPORT_REG_X, INPORT_CONTROL_PORT);
75 input_report_rel(inport_dev, REL_X, inb(INPORT_DATA_PORT));
76
77 outb(INPORT_REG_Y, INPORT_CONTROL_PORT);
78 input_report_rel(inport_dev, REL_Y, inb(INPORT_DATA_PORT));
79
80 outb(INPORT_REG_BTNS, INPORT_CONTROL_PORT);
81 buttons = inb(INPORT_DATA_PORT);
82
83 input_report_key(inport_dev, BTN_MIDDLE, buttons & 1);
84 input_report_key(inport_dev, BTN_LEFT, buttons & 2);
85 input_report_key(inport_dev, BTN_RIGHT, buttons & 4);
86
87 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
88 outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT);
89
90 input_sync(inport_dev);
91 return IRQ_HANDLED;
92}
93
94static int inport_open(struct input_dev *dev)
95{
96 if (request_irq(inport_irq, inport_interrupt, 0, "inport", NULL))
97 return -EBUSY;
98 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
99 outb(INPORT_MODE_IRQ | INPORT_MODE_BASE, INPORT_DATA_PORT);
100
101 return 0;
102}
103
104static void inport_close(struct input_dev *dev)
105{
106 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
107 outb(INPORT_MODE_BASE, INPORT_DATA_PORT);
108 free_irq(inport_irq, NULL);
109}
110
111static int __init inport_init(void)
112{
113 unsigned char a, b, c;
114 int err;
115
116 if (!request_region(INPORT_BASE, INPORT_EXTENT, "inport")) {
117 printk(KERN_ERR "inport.c: Can't allocate ports at %#x\n", INPORT_BASE);
118 return -EBUSY;
119 }
120
121 a = inb(INPORT_SIGNATURE_PORT);
122 b = inb(INPORT_SIGNATURE_PORT);
123 c = inb(INPORT_SIGNATURE_PORT);
124 if (a == b || a != c) {
125 printk(KERN_INFO "inport.c: Didn't find InPort mouse at %#x\n", INPORT_BASE);
126 err = -ENODEV;
127 goto err_release_region;
128 }
129
130 inport_dev = input_allocate_device();
131 if (!inport_dev) {
132 printk(KERN_ERR "inport.c: Not enough memory for input device\n");
133 err = -ENOMEM;
134 goto err_release_region;
135 }
136
137 inport_dev->name = INPORT_NAME;
138 inport_dev->phys = "isa023c/input0";
139 inport_dev->id.bustype = BUS_ISA;
140 inport_dev->id.vendor = INPORT_VENDOR;
141 inport_dev->id.product = 0x0001;
142 inport_dev->id.version = 0x0100;
143
144 inport_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
145 inport_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
146 BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
147 inport_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
148
149 inport_dev->open = inport_open;
150 inport_dev->close = inport_close;
151
152 outb(INPORT_RESET, INPORT_CONTROL_PORT);
153 outb(INPORT_REG_MODE, INPORT_CONTROL_PORT);
154 outb(INPORT_MODE_BASE, INPORT_DATA_PORT);
155
156 err = input_register_device(inport_dev);
157 if (err)
158 goto err_free_dev;
159
160 return 0;
161
162 err_free_dev:
163 input_free_device(inport_dev);
164 err_release_region:
165 release_region(INPORT_BASE, INPORT_EXTENT);
166
167 return err;
168}
169
170static void __exit inport_exit(void)
171{
172 input_unregister_device(inport_dev);
173 release_region(INPORT_BASE, INPORT_EXTENT);
174}
175
176module_init(inport_init);
177module_exit(inport_exit);