1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*
* wmforce.c Version 0.1
*
* Copyright (c) 2000 Vojtech Pavlik
*
* USB Logitech WingMan Force joystick support
*
* Sponsored by SuSE
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
* Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>
#include <linux/malloc.h>
#include <linux/input.h>
#include <linux/module.h>
#include "usb.h"
MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
#define USB_VENDOR_ID_LOGITECH 0x046d
#define USB_DEVICE_ID_LOGITECH_WMFORCE 0xc281
struct wmforce {
signed char data[8];
struct input_dev dev;
struct urb irq;
};
static struct {
__s32 x;
__s32 y;
} wmforce_hat_to_axis[16] = {{ 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
static void wmforce_irq(struct urb *urb)
{
struct wmforce *wmforce = urb->context;
unsigned char *data = wmforce->data;
struct input_dev *dev = &wmforce->dev;
if (urb->status) return;
if (data[0] != 1) {
if (data[0] != 2)
warn("received unknown report #%d", data[0]);
return;
}
input_report_abs(dev, ABS_X, (__s16) (((__s16)data[2] << 8) | data[1]));
input_report_abs(dev, ABS_Y, (__s16) (((__s16)data[4] << 8) | data[3]));
input_report_abs(dev, ABS_THROTTLE, data[5]);
input_report_abs(dev, ABS_HAT0X, wmforce_hat_to_axis[data[7] >> 4].x);
input_report_abs(dev, ABS_HAT0Y, wmforce_hat_to_axis[data[7] >> 4].y);
input_report_key(dev, BTN_TRIGGER, !!(data[6] & 0x01));
input_report_key(dev, BTN_TOP, !!(data[6] & 0x02));
input_report_key(dev, BTN_THUMB, !!(data[6] & 0x04));
input_report_key(dev, BTN_TOP2, !!(data[6] & 0x08));
input_report_key(dev, BTN_BASE, !!(data[6] & 0x10));
input_report_key(dev, BTN_BASE2, !!(data[6] & 0x20));
input_report_key(dev, BTN_BASE3, !!(data[6] & 0x40));
input_report_key(dev, BTN_BASE4, !!(data[6] & 0x80));
input_report_key(dev, BTN_BASE5, !!(data[7] & 0x01));
}
static void *wmforce_probe(struct usb_device *dev, unsigned int ifnum)
{
struct usb_endpoint_descriptor *endpoint;
struct wmforce *wmforce;
int i;
if (dev->descriptor.idVendor != USB_VENDOR_ID_LOGITECH ||
dev->descriptor.idProduct != USB_DEVICE_ID_LOGITECH_WMFORCE)
return NULL;
endpoint = dev->config[0].interface[ifnum].altsetting[0].endpoint + 0;
if (!(wmforce = kmalloc(sizeof(struct wmforce), GFP_KERNEL))) return NULL;
memset(wmforce, 0, sizeof(struct wmforce));
wmforce->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
wmforce->dev.keybit[LONG(BTN_JOYSTICK)] = BIT(BTN_TRIGGER) | BIT(BTN_TOP) | BIT(BTN_THUMB) | BIT(BTN_TOP2) |
BIT(BTN_BASE) | BIT(BTN_BASE2) | BIT(BTN_BASE3) | BIT(BTN_BASE4) | BIT(BTN_BASE5);
wmforce->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_THROTTLE) | BIT(ABS_HAT0X) | BIT(ABS_HAT0Y);
for (i = ABS_X; i <= ABS_Y; i++) {
wmforce->dev.absmax[i] = 1920;
wmforce->dev.absmin[i] = -1920;
wmforce->dev.absfuzz[i] = 0;
wmforce->dev.absflat[i] = 128;
}
wmforce->dev.absmax[ABS_THROTTLE] = 0;
wmforce->dev.absmin[ABS_THROTTLE] = 255;
wmforce->dev.absfuzz[ABS_THROTTLE] = 0;
wmforce->dev.absflat[ABS_THROTTLE] = 0;
for (i = ABS_HAT0X; i <= ABS_HAT0Y; i++) {
wmforce->dev.absmax[i] = 1;
wmforce->dev.absmin[i] = -1;
wmforce->dev.absfuzz[i] = 0;
wmforce->dev.absflat[i] = 0;
}
FILL_INT_URB(&wmforce->irq, dev, usb_rcvintpipe(dev, endpoint->bEndpointAddress),
wmforce->data, 8, wmforce_irq, wmforce, endpoint->bInterval);
if (usb_submit_urb(&wmforce->irq)) {
kfree(wmforce);
return NULL;
}
input_register_device(&wmforce->dev);
printk(KERN_INFO "input%d: Logitech WingMan Force USB\n", wmforce->dev.number);
return wmforce;
}
static void wmforce_disconnect(struct usb_device *dev, void *ptr)
{
struct wmforce *wmforce = ptr;
usb_unlink_urb(&wmforce->irq);
input_unregister_device(&wmforce->dev);
kfree(wmforce);
}
static struct usb_driver wmforce_driver = {
name: "wmforce",
probe: wmforce_probe,
disconnect: wmforce_disconnect,
};
#ifdef MODULE
void cleanup_module(void)
{
usb_deregister(&wmforce_driver);
}
int init_module(void)
#else
int wmforce_init(void)
#endif
{
usb_register(&wmforce_driver);
return 0;
}
|
