Commit | Line | Data |
---|---|---|
1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * Force feedback support for various HID compliant devices by ThrustMaster: | |
4 | * ThrustMaster FireStorm Dual Power 2 | |
5 | * and possibly others whose device ids haven't been added. | |
6 | * | |
7 | * Modified to support ThrustMaster devices by Zinx Verituse | |
8 | * on 2003-01-25 from the Logitech force feedback driver, | |
9 | * which is by Johann Deneux. | |
10 | * | |
11 | * Copyright (c) 2003 Zinx Verituse <zinx@epicsol.org> | |
12 | * Copyright (c) 2002 Johann Deneux | |
13 | */ | |
14 | ||
15 | /* | |
1da177e4 LT |
16 | */ |
17 | ||
10e41a71 | 18 | #include <linux/hid.h> |
1da177e4 | 19 | #include <linux/input.h> |
5a0e3ad6 | 20 | #include <linux/slab.h> |
8f86a2c3 | 21 | #include <linux/module.h> |
1da177e4 | 22 | |
10e41a71 JS |
23 | #include "hid-ids.h" |
24 | ||
65f11c72 IT |
25 | #define THRUSTMASTER_DEVICE_ID_2_IN_1_DT 0xb320 |
26 | ||
b27c9590 DT |
27 | static const signed short ff_rumble[] = { |
28 | FF_RUMBLE, | |
29 | -1 | |
30 | }; | |
31 | ||
32 | static const signed short ff_joystick[] = { | |
33 | FF_CONSTANT, | |
34 | -1 | |
35 | }; | |
36 | ||
0f6f4319 | 37 | #ifdef CONFIG_THRUSTMASTER_FF |
0f6f4319 JK |
38 | |
39 | /* Usages for thrustmaster devices I know about */ | |
40 | #define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb) | |
41 | ||
1da177e4 | 42 | struct tmff_device { |
1da177e4 | 43 | struct hid_report *report; |
b27c9590 | 44 | struct hid_field *ff_field; |
dc76c912 | 45 | }; |
1da177e4 | 46 | |
dc76c912 | 47 | /* Changes values from 0 to 0xffff into values from minimum to maximum */ |
10e41a71 | 48 | static inline int tmff_scale_u16(unsigned int in, int minimum, int maximum) |
dc76c912 AH |
49 | { |
50 | int ret; | |
1da177e4 | 51 | |
dc76c912 AH |
52 | ret = (in * (maximum - minimum) / 0xffff) + minimum; |
53 | if (ret < minimum) | |
54 | return minimum; | |
55 | if (ret > maximum) | |
56 | return maximum; | |
57 | return ret; | |
58 | } | |
1da177e4 | 59 | |
b27c9590 | 60 | /* Changes values from -0x80 to 0x7f into values from minimum to maximum */ |
10e41a71 | 61 | static inline int tmff_scale_s8(int in, int minimum, int maximum) |
b27c9590 DT |
62 | { |
63 | int ret; | |
64 | ||
65 | ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum; | |
66 | if (ret < minimum) | |
67 | return minimum; | |
68 | if (ret > maximum) | |
69 | return maximum; | |
70 | return ret; | |
71 | } | |
72 | ||
10e41a71 JS |
73 | static int tmff_play(struct input_dev *dev, void *data, |
74 | struct ff_effect *effect) | |
dc76c912 | 75 | { |
e0712985 | 76 | struct hid_device *hid = input_get_drvdata(dev); |
dc76c912 | 77 | struct tmff_device *tmff = data; |
b27c9590 DT |
78 | struct hid_field *ff_field = tmff->ff_field; |
79 | int x, y; | |
dc76c912 | 80 | int left, right; /* Rumbling */ |
65f11c72 | 81 | int motor_swap; |
1da177e4 | 82 | |
b27c9590 DT |
83 | switch (effect->type) { |
84 | case FF_CONSTANT: | |
10e41a71 | 85 | x = tmff_scale_s8(effect->u.ramp.start_level, |
b27c9590 DT |
86 | ff_field->logical_minimum, |
87 | ff_field->logical_maximum); | |
10e41a71 | 88 | y = tmff_scale_s8(effect->u.ramp.end_level, |
b27c9590 DT |
89 | ff_field->logical_minimum, |
90 | ff_field->logical_maximum); | |
91 | ||
92 | dbg_hid("(x, y)=(%04x, %04x)\n", x, y); | |
93 | ff_field->value[0] = x; | |
94 | ff_field->value[1] = y; | |
d8814272 | 95 | hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT); |
b27c9590 DT |
96 | break; |
97 | ||
98 | case FF_RUMBLE: | |
10e41a71 | 99 | left = tmff_scale_u16(effect->u.rumble.weak_magnitude, |
b27c9590 DT |
100 | ff_field->logical_minimum, |
101 | ff_field->logical_maximum); | |
10e41a71 | 102 | right = tmff_scale_u16(effect->u.rumble.strong_magnitude, |
b27c9590 DT |
103 | ff_field->logical_minimum, |
104 | ff_field->logical_maximum); | |
105 | ||
65f11c72 IT |
106 | /* 2-in-1 strong motor is left */ |
107 | if (hid->product == THRUSTMASTER_DEVICE_ID_2_IN_1_DT) { | |
108 | motor_swap = left; | |
109 | left = right; | |
110 | right = motor_swap; | |
111 | } | |
112 | ||
b27c9590 DT |
113 | dbg_hid("(left,right)=(%08x, %08x)\n", left, right); |
114 | ff_field->value[0] = left; | |
115 | ff_field->value[1] = right; | |
d8814272 | 116 | hid_hw_request(hid, tmff->report, HID_REQ_SET_REPORT); |
b27c9590 DT |
117 | break; |
118 | } | |
dc76c912 AH |
119 | return 0; |
120 | } | |
1da177e4 | 121 | |
10e41a71 | 122 | static int tmff_init(struct hid_device *hid, const signed short *ff_bits) |
1da177e4 | 123 | { |
dc76c912 | 124 | struct tmff_device *tmff; |
3ba5619f LZ |
125 | struct hid_report *report; |
126 | struct list_head *report_list; | |
d9d4b1e4 AS |
127 | struct hid_input *hidinput; |
128 | struct input_dev *input_dev; | |
dc76c912 | 129 | int error; |
b27c9590 | 130 | int i; |
1da177e4 | 131 | |
d9d4b1e4 AS |
132 | if (list_empty(&hid->inputs)) { |
133 | hid_err(hid, "no inputs found\n"); | |
134 | return -ENODEV; | |
135 | } | |
136 | hidinput = list_entry(hid->inputs.next, struct hid_input, list); | |
137 | input_dev = hidinput->input; | |
138 | ||
dc76c912 AH |
139 | tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL); |
140 | if (!tmff) | |
1da177e4 LT |
141 | return -ENOMEM; |
142 | ||
1da177e4 | 143 | /* Find the report to use */ |
3ba5619f LZ |
144 | report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; |
145 | list_for_each_entry(report, report_list, list) { | |
1da177e4 LT |
146 | int fieldnum; |
147 | ||
148 | for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) { | |
149 | struct hid_field *field = report->field[fieldnum]; | |
150 | ||
151 | if (field->maxusage <= 0) | |
152 | continue; | |
153 | ||
154 | switch (field->usage[0].hid) { | |
b27c9590 DT |
155 | case THRUSTMASTER_USAGE_FF: |
156 | if (field->report_count < 2) { | |
4291ee30 | 157 | hid_warn(hid, "ignoring FF field with report_count < 2\n"); |
b27c9590 DT |
158 | continue; |
159 | } | |
1da177e4 | 160 | |
10e41a71 JS |
161 | if (field->logical_maximum == |
162 | field->logical_minimum) { | |
4291ee30 | 163 | hid_warn(hid, "ignoring FF field with logical_maximum == logical_minimum\n"); |
b27c9590 DT |
164 | continue; |
165 | } | |
1da177e4 | 166 | |
b27c9590 | 167 | if (tmff->report && tmff->report != report) { |
4291ee30 | 168 | hid_warn(hid, "ignoring FF field in other report\n"); |
b27c9590 DT |
169 | continue; |
170 | } | |
1da177e4 | 171 | |
b27c9590 | 172 | if (tmff->ff_field && tmff->ff_field != field) { |
4291ee30 | 173 | hid_warn(hid, "ignoring duplicate FF field\n"); |
b27c9590 DT |
174 | continue; |
175 | } | |
176 | ||
177 | tmff->report = report; | |
178 | tmff->ff_field = field; | |
179 | ||
b27c9590 DT |
180 | for (i = 0; ff_bits[i] >= 0; i++) |
181 | set_bit(ff_bits[i], input_dev->ffbit); | |
1da177e4 | 182 | |
b27c9590 | 183 | break; |
1da177e4 | 184 | |
b27c9590 | 185 | default: |
4291ee30 JP |
186 | hid_warn(hid, "ignoring unknown output usage %08x\n", |
187 | field->usage[0].hid); | |
b27c9590 | 188 | continue; |
1da177e4 | 189 | } |
1da177e4 LT |
190 | } |
191 | } | |
192 | ||
b27c9590 | 193 | if (!tmff->report) { |
4291ee30 | 194 | hid_err(hid, "can't find FF field in output reports\n"); |
b27c9590 DT |
195 | error = -ENODEV; |
196 | goto fail; | |
1da177e4 LT |
197 | } |
198 | ||
10e41a71 | 199 | error = input_ff_create_memless(input_dev, tmff, tmff_play); |
b27c9590 DT |
200 | if (error) |
201 | goto fail; | |
1da177e4 | 202 | |
4291ee30 | 203 | hid_info(hid, "force feedback for ThrustMaster devices by Zinx Verituse <zinx@epicsol.org>\n"); |
1da177e4 | 204 | return 0; |
b27c9590 | 205 | |
10e41a71 | 206 | fail: |
b27c9590 DT |
207 | kfree(tmff); |
208 | return error; | |
1da177e4 | 209 | } |
0f6f4319 JK |
210 | #else |
211 | static inline int tmff_init(struct hid_device *hid, const signed short *ff_bits) | |
212 | { | |
213 | return 0; | |
214 | } | |
215 | #endif | |
1da177e4 | 216 | |
10e41a71 JS |
217 | static int tm_probe(struct hid_device *hdev, const struct hid_device_id *id) |
218 | { | |
219 | int ret; | |
220 | ||
221 | ret = hid_parse(hdev); | |
222 | if (ret) { | |
4291ee30 | 223 | hid_err(hdev, "parse failed\n"); |
10e41a71 JS |
224 | goto err; |
225 | } | |
226 | ||
227 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); | |
228 | if (ret) { | |
4291ee30 | 229 | hid_err(hdev, "hw start failed\n"); |
10e41a71 JS |
230 | goto err; |
231 | } | |
232 | ||
233 | tmff_init(hdev, (void *)id->driver_data); | |
234 | ||
235 | return 0; | |
236 | err: | |
237 | return ret; | |
238 | } | |
239 | ||
240 | static const struct hid_device_id tm_devices[] = { | |
241 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300), | |
242 | .driver_data = (unsigned long)ff_rumble }, | |
7a84b133 RAG |
243 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304), /* FireStorm Dual Power 2 (and 3) */ |
244 | .driver_data = (unsigned long)ff_rumble }, | |
65f11c72 IT |
245 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, THRUSTMASTER_DEVICE_ID_2_IN_1_DT), /* Dual Trigger 2-in-1 */ |
246 | .driver_data = (unsigned long)ff_rumble }, | |
7a84b133 RAG |
247 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323), /* Dual Trigger 3-in-1 (PC Mode) */ |
248 | .driver_data = (unsigned long)ff_rumble }, | |
249 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324), /* Dual Trigger 3-in-1 (PS3 Mode) */ | |
10e41a71 | 250 | .driver_data = (unsigned long)ff_rumble }, |
1477edb4 VC |
251 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb605), /* NASCAR PRO FF2 Wheel */ |
252 | .driver_data = (unsigned long)ff_joystick }, | |
10e41a71 JS |
253 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651), /* FGT Rumble Force Wheel */ |
254 | .driver_data = (unsigned long)ff_rumble }, | |
3ee8f0a2 MR |
255 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653), /* RGT Force Feedback CLUTCH Raging Wheel */ |
256 | .driver_data = (unsigned long)ff_joystick }, | |
10e41a71 JS |
257 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */ |
258 | .driver_data = (unsigned long)ff_joystick }, | |
d65c3768 SW |
259 | { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a), /* F430 Force Feedback Wheel */ |
260 | .driver_data = (unsigned long)ff_joystick }, | |
10e41a71 JS |
261 | { } |
262 | }; | |
263 | MODULE_DEVICE_TABLE(hid, tm_devices); | |
264 | ||
265 | static struct hid_driver tm_driver = { | |
266 | .name = "thrustmaster", | |
267 | .id_table = tm_devices, | |
268 | .probe = tm_probe, | |
269 | }; | |
f425458e | 270 | module_hid_driver(tm_driver); |
10e41a71 | 271 | |
10e41a71 | 272 | MODULE_LICENSE("GPL"); |