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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - drivers/input/mouse/inport.c
2 * Copyright (c) 1999-2001 Vojtech Pavlik
4 * Based on the work of:
5 * Teemu Rantanen Derrick Cole
6 * Peter Cervasio Christoph Niemann
7 * Philip Blundell Russell King
12 * Inport (ATI XL and Microsoft) busmouse driver for Linux
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * (at your option) any later version.
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 * Should you need to contact me, the author, you can do so either by
31 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
32 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
35 #include <linux/module.h>
36 #include <linux/ioport.h>
37 #include <linux/init.h>
38 #include <linux/interrupt.h>
39 #include <linux/input.h>
44 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
45 MODULE_DESCRIPTION("Inport (ATI XL and Microsoft) busmouse driver");
46 MODULE_LICENSE("GPL");
48 #define INPORT_BASE 0x23c
49 #define INPORT_EXTENT 4
51 #define INPORT_CONTROL_PORT INPORT_BASE + 0
52 #define INPORT_DATA_PORT INPORT_BASE + 1
53 #define INPORT_SIGNATURE_PORT INPORT_BASE + 2
55 #define INPORT_REG_BTNS 0x00
56 #define INPORT_REG_X 0x01
57 #define INPORT_REG_Y 0x02
58 #define INPORT_REG_MODE 0x07
59 #define INPORT_RESET 0x80
61 #ifdef CONFIG_MOUSE_ATIXL
62 #define INPORT_NAME "ATI XL Mouse"
63 #define INPORT_VENDOR 0x0002
64 #define INPORT_SPEED_30HZ 0x01
65 #define INPORT_SPEED_50HZ 0x02
66 #define INPORT_SPEED_100HZ 0x03
67 #define INPORT_SPEED_200HZ 0x04
68 #define INPORT_MODE_BASE INPORT_SPEED_100HZ
69 #define INPORT_MODE_IRQ 0x08
71 #define INPORT_NAME "Microsoft InPort Mouse"
72 #define INPORT_VENDOR 0x0001
73 #define INPORT_MODE_BASE 0x10
74 #define INPORT_MODE_IRQ 0x01
76 #define INPORT_MODE_HOLD 0x20
80 static int inport_irq
= INPORT_IRQ
;
81 module_param_named(irq
, inport_irq
, uint
, 0);
82 MODULE_PARM_DESC(irq
, "IRQ number (5=default)");
84 static struct input_dev
*inport_dev
;
86 static irqreturn_t
inport_interrupt(int irq
, void *dev_id
)
88 unsigned char buttons
;
90 outb(INPORT_REG_MODE
, INPORT_CONTROL_PORT
);
91 outb(INPORT_MODE_HOLD
| INPORT_MODE_IRQ
| INPORT_MODE_BASE
, INPORT_DATA_PORT
);
93 outb(INPORT_REG_X
, INPORT_CONTROL_PORT
);
94 input_report_rel(inport_dev
, REL_X
, inb(INPORT_DATA_PORT
));
96 outb(INPORT_REG_Y
, INPORT_CONTROL_PORT
);
97 input_report_rel(inport_dev
, REL_Y
, inb(INPORT_DATA_PORT
));
99 outb(INPORT_REG_BTNS
, INPORT_CONTROL_PORT
);
100 buttons
= inb(INPORT_DATA_PORT
);
102 input_report_key(inport_dev
, BTN_MIDDLE
, buttons
& 1);
103 input_report_key(inport_dev
, BTN_LEFT
, buttons
& 2);
104 input_report_key(inport_dev
, BTN_RIGHT
, buttons
& 4);
106 outb(INPORT_REG_MODE
, INPORT_CONTROL_PORT
);
107 outb(INPORT_MODE_IRQ
| INPORT_MODE_BASE
, INPORT_DATA_PORT
);
109 input_sync(inport_dev
);
113 static int inport_open(struct input_dev
*dev
)
115 if (request_irq(inport_irq
, inport_interrupt
, 0, "inport", NULL
))
117 outb(INPORT_REG_MODE
, INPORT_CONTROL_PORT
);
118 outb(INPORT_MODE_IRQ
| INPORT_MODE_BASE
, INPORT_DATA_PORT
);
123 static void inport_close(struct input_dev
*dev
)
125 outb(INPORT_REG_MODE
, INPORT_CONTROL_PORT
);
126 outb(INPORT_MODE_BASE
, INPORT_DATA_PORT
);
127 free_irq(inport_irq
, NULL
);
130 static int __init
inport_init(void)
132 unsigned char a
, b
, c
;
135 if (!request_region(INPORT_BASE
, INPORT_EXTENT
, "inport")) {
136 printk(KERN_ERR
"inport.c: Can't allocate ports at %#x\n", INPORT_BASE
);
140 a
= inb(INPORT_SIGNATURE_PORT
);
141 b
= inb(INPORT_SIGNATURE_PORT
);
142 c
= inb(INPORT_SIGNATURE_PORT
);
143 if (a
== b
|| a
!= c
) {
144 printk(KERN_INFO
"inport.c: Didn't find InPort mouse at %#x\n", INPORT_BASE
);
146 goto err_release_region
;
149 inport_dev
= input_allocate_device();
151 printk(KERN_ERR
"inport.c: Not enough memory for input device\n");
153 goto err_release_region
;
156 inport_dev
->name
= INPORT_NAME
;
157 inport_dev
->phys
= "isa023c/input0";
158 inport_dev
->id
.bustype
= BUS_ISA
;
159 inport_dev
->id
.vendor
= INPORT_VENDOR
;
160 inport_dev
->id
.product
= 0x0001;
161 inport_dev
->id
.version
= 0x0100;
163 inport_dev
->evbit
[0] = BIT_MASK(EV_KEY
) | BIT_MASK(EV_REL
);
164 inport_dev
->keybit
[BIT_WORD(BTN_LEFT
)] = BIT_MASK(BTN_LEFT
) |
165 BIT_MASK(BTN_MIDDLE
) | BIT_MASK(BTN_RIGHT
);
166 inport_dev
->relbit
[0] = BIT_MASK(REL_X
) | BIT_MASK(REL_Y
);
168 inport_dev
->open
= inport_open
;
169 inport_dev
->close
= inport_close
;
171 outb(INPORT_RESET
, INPORT_CONTROL_PORT
);
172 outb(INPORT_REG_MODE
, INPORT_CONTROL_PORT
);
173 outb(INPORT_MODE_BASE
, INPORT_DATA_PORT
);
175 err
= input_register_device(inport_dev
);
182 input_free_device(inport_dev
);
184 release_region(INPORT_BASE
, INPORT_EXTENT
);
189 static void __exit
inport_exit(void)
191 input_unregister_device(inport_dev
);
192 release_region(INPORT_BASE
, INPORT_EXTENT
);
195 module_init(inport_init
);
196 module_exit(inport_exit
);