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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
|
/*
* Force feedback support for various HID compliant devices by ThrustMaster:
* ThrustMaster FireStorm Dual Power 2
* and possibly others whose device ids haven't been added.
*
* Modified to support ThrustMaster devices by Zinx Verituse
* on 2003-01-25 from the Logitech force feedback driver,
* which is by Johann Deneux.
*
* Copyright (c) 2003 Zinx Verituse <zinx@epicsol.org>
* Copyright (c) 2002 Johann Deneux
*/
/*
* 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
*/
#include <linux/hid.h>
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/module.h>
#include "hid-ids.h"
static const signed short ff_rumble[] = {
FF_RUMBLE,
-1
};
static const signed short ff_joystick[] = {
FF_CONSTANT,
-1
};
#ifdef CONFIG_THRUSTMASTER_FF
/* Usages for thrustmaster devices I know about */
#define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb)
struct tmff_device {
struct hid_report *report;
struct hid_field *ff_field;
};
/* Changes values from 0 to 0xffff into values from minimum to maximum */
static inline int tmff_scale_u16(unsigned int in, int minimum, int maximum)
{
int ret;
ret = (in * (maximum - minimum) / 0xffff) + minimum;
if (ret < minimum)
return minimum;
if (ret > maximum)
return maximum;
return ret;
}
/* Changes values from -0x80 to 0x7f into values from minimum to maximum */
static inline int tmff_scale_s8(int in, int minimum, int maximum)
{
int ret;
ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum;
if (ret < minimum)
return minimum;
if (ret > maximum)
return maximum;
return ret;
}
static int tmff_play(struct input_dev *dev, void *data,
struct ff_effect *effect)
{
struct hid_device *hid = input_get_drvdata(dev);
struct tmff_device *tmff = data;
struct hid_field *ff_field = tmff->ff_field;
int x, y;
int left, right; /* Rumbling */
switch (effect->type) {
case FF_CONSTANT:
x = tmff_scale_s8(effect->u.ramp.start_level,
ff_field->logical_minimum,
ff_field->logical_maximum);
y = tmff_scale_s8(effect->u.ramp.end_level,
ff_field->logical_minimum,
ff_field->logical_maximum);
dbg_hid("(x, y)=(%04x, %04x)\n", x, y);
ff_field->value[0] = x;
ff_field->value[1] = y;
hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT);
break;
case FF_RUMBLE:
left = tmff_scale_u16(effect->u.rumble.weak_magnitude,
ff_field->logical_minimum,
ff_field->logical_maximum);
right = tmff_scale_u16(effect->u.rumble.strong_magnitude,
ff_field->logical_minimum,
ff_field->logical_maximum);
dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
ff_field->value[0] = left;
ff_field->value[1] = right;
hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT);
break;
}
return 0;
}
static int tmff_init(struct hid_device *hid, const signed short *ff_bits)
{
struct tmff_device *tmff;
struct hid_report *report;
struct list_head *report_list;
struct hid_input *hidinput = list_entry(hid->inputs.next,
struct hid_input, list);
struct input_dev *input_dev = hidinput->input;
int error;
int i;
tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL);
if (!tmff)
return -ENOMEM;
/* Find the report to use */
report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
list_for_each_entry(report, report_list, list) {
int fieldnum;
for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) {
struct hid_field *field = report->field[fieldnum];
if (field->maxusage <= 0)
continue;
switch (field->usage[0].hid) {
case THRUSTMASTER_USAGE_FF:
if (field->report_count < 2) {
hid_warn(hid, "ignoring FF field with report_count < 2\n");
continue;
}
if (field->logical_maximum ==
field->logical_minimum) {
hid_warn(hid, "ignoring FF field with logical_maximum == logical_minimum\n");
continue;
}
if (tmff->report && tmff->report != report) {
hid_warn(hid, "ignoring FF field in other report\n");
continue;
}
if (tmff->ff_field && tmff->ff_field != field) {
hid_warn(hid, "ignoring duplicate FF field\n");
continue;
}
tmff->report = report;
tmff->ff_field = field;
for (i = 0; ff_bits[i] >= 0; i++)
set_bit(ff_bits[i], input_dev->ffbit);
break;
default:
hid_warn(hid, "ignoring unknown output usage %08x\n",
field->usage[0].hid);
continue;
}
}
}
if (!tmff->report) {
hid_err(hid, "can't find FF field in output reports\n");
error = -ENODEV;
goto fail;
}
error = input_ff_create_memless(input_dev, tmff, tmff_play);
if (error)
goto fail;
hid_info(hid, "force feedback for ThrustMaster devices by Zinx Verituse <zinx@epicsol.org>\n");
return 0;
fail:
kfree(tmff);
return error;
}
#else
static inline int tmff_init(struct hid_device *hid, const signed short *ff_bits)
{
return 0;
}
#endif
static int tm_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
goto err;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
if (ret) {
hid_err(hdev, "hw start failed\n");
goto err;
}
tmff_init(hdev, (void *)id->driver_data);
return 0;
err:
return ret;
}
static const struct hid_device_id tm_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300),
.driver_data = (unsigned long)ff_rumble },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304), /* FireStorm Dual Power 2 (and 3) */
.driver_data = (unsigned long)ff_rumble },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323), /* Dual Trigger 3-in-1 (PC Mode) */
.driver_data = (unsigned long)ff_rumble },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324), /* Dual Trigger 3-in-1 (PS3 Mode) */
.driver_data = (unsigned long)ff_rumble },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb605), /* NASCAR PRO FF2 Wheel */
.driver_data = (unsigned long)ff_joystick },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651), /* FGT Rumble Force Wheel */
.driver_data = (unsigned long)ff_rumble },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653), /* RGT Force Feedback CLUTCH Raging Wheel */
.driver_data = (unsigned long)ff_joystick },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */
.driver_data = (unsigned long)ff_joystick },
{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a), /* F430 Force Feedback Wheel */
.driver_data = (unsigned long)ff_joystick },
{ }
};
MODULE_DEVICE_TABLE(hid, tm_devices);
static struct hid_driver tm_driver = {
.name = "thrustmaster",
.id_table = tm_devices,
.probe = tm_probe,
};
module_hid_driver(tm_driver);
MODULE_LICENSE("GPL");
|
