Commit | Line | Data |
---|---|---|
32c88cbc | 1 | /* |
64013800 | 2 | * Force feedback support for Logitech Gaming Wheels |
32c88cbc | 3 | * |
64013800 SW |
4 | * Including G27, G25, DFP, DFGT, FFEX, Momo, Momo2 & |
5 | * Speed Force Wireless (WiiWheel) | |
32c88cbc SW |
6 | * |
7 | * Copyright (c) 2010 Simon Wood <simon@mungewell.org> | |
8 | */ | |
9 | ||
10 | /* | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
24 | */ | |
25 | ||
26 | ||
27 | #include <linux/input.h> | |
28 | #include <linux/usb.h> | |
29 | #include <linux/hid.h> | |
30 | ||
31 | #include "usbhid/usbhid.h" | |
32 | #include "hid-lg.h" | |
a54dc779 | 33 | #include "hid-lg4ff.h" |
7362cd22 | 34 | #include "hid-ids.h" |
32c88cbc | 35 | |
b96d23ec | 36 | #define LG4FF_MMODE_IS_MULTIMODE 0 |
e7c23449 MM |
37 | #define LG4FF_MMODE_SWITCHED 1 |
38 | #define LG4FF_MMODE_NOT_MULTIMODE 2 | |
39 | ||
b96d23ec MM |
40 | #define LG4FF_MODE_NATIVE_IDX 0 |
41 | #define LG4FF_MODE_DFEX_IDX 1 | |
42 | #define LG4FF_MODE_DFP_IDX 2 | |
43 | #define LG4FF_MODE_G25_IDX 3 | |
44 | #define LG4FF_MODE_DFGT_IDX 4 | |
45 | #define LG4FF_MODE_G27_IDX 5 | |
29fae1c8 SW |
46 | #define LG4FF_MODE_G29_IDX 6 |
47 | #define LG4FF_MODE_MAX_IDX 7 | |
b96d23ec MM |
48 | |
49 | #define LG4FF_MODE_NATIVE BIT(LG4FF_MODE_NATIVE_IDX) | |
50 | #define LG4FF_MODE_DFEX BIT(LG4FF_MODE_DFEX_IDX) | |
51 | #define LG4FF_MODE_DFP BIT(LG4FF_MODE_DFP_IDX) | |
52 | #define LG4FF_MODE_G25 BIT(LG4FF_MODE_G25_IDX) | |
53 | #define LG4FF_MODE_DFGT BIT(LG4FF_MODE_DFGT_IDX) | |
54 | #define LG4FF_MODE_G27 BIT(LG4FF_MODE_G27_IDX) | |
29fae1c8 | 55 | #define LG4FF_MODE_G29 BIT(LG4FF_MODE_G29_IDX) |
b96d23ec MM |
56 | |
57 | #define LG4FF_DFEX_TAG "DF-EX" | |
58 | #define LG4FF_DFEX_NAME "Driving Force / Formula EX" | |
59 | #define LG4FF_DFP_TAG "DFP" | |
60 | #define LG4FF_DFP_NAME "Driving Force Pro" | |
61 | #define LG4FF_G25_TAG "G25" | |
62 | #define LG4FF_G25_NAME "G25 Racing Wheel" | |
63 | #define LG4FF_G27_TAG "G27" | |
64 | #define LG4FF_G27_NAME "G27 Racing Wheel" | |
29fae1c8 SW |
65 | #define LG4FF_G29_TAG "G29" |
66 | #define LG4FF_G29_NAME "G29 Racing Wheel" | |
b96d23ec MM |
67 | #define LG4FF_DFGT_TAG "DFGT" |
68 | #define LG4FF_DFGT_NAME "Driving Force GT" | |
69 | ||
e7c23449 MM |
70 | #define LG4FF_FFEX_REV_MAJ 0x21 |
71 | #define LG4FF_FFEX_REV_MIN 0x00 | |
72 | ||
d0afd848 MM |
73 | static void lg4ff_set_range_dfp(struct hid_device *hid, u16 range); |
74 | static void lg4ff_set_range_g25(struct hid_device *hid, u16 range); | |
30bb75d7 | 75 | |
72529c65 | 76 | struct lg4ff_wheel_data { |
5d9d60ad | 77 | const u32 product_id; |
2a552c30 | 78 | u16 range; |
5d9d60ad MM |
79 | const u16 min_range; |
80 | const u16 max_range; | |
22bcefdc | 81 | #ifdef CONFIG_LEDS_CLASS |
2a552c30 | 82 | u8 led_state; |
22bcefdc SW |
83 | struct led_classdev *led[5]; |
84 | #endif | |
5d9d60ad MM |
85 | const u32 alternate_modes; |
86 | const char * const real_tag; | |
87 | const char * const real_name; | |
88 | const u16 real_product_id; | |
72529c65 | 89 | |
30bb75d7 MM |
90 | void (*set_range)(struct hid_device *hid, u16 range); |
91 | }; | |
92 | ||
72529c65 | 93 | struct lg4ff_device_entry { |
c918fe78 | 94 | spinlock_t report_lock; /* Protect output HID report */ |
c28abd8c | 95 | struct hid_report *report; |
72529c65 MM |
96 | struct lg4ff_wheel_data wdata; |
97 | }; | |
98 | ||
7362cd22 | 99 | static const signed short lg4ff_wheel_effects[] = { |
32c88cbc SW |
100 | FF_CONSTANT, |
101 | FF_AUTOCENTER, | |
102 | -1 | |
103 | }; | |
104 | ||
7362cd22 | 105 | struct lg4ff_wheel { |
2a552c30 | 106 | const u32 product_id; |
7362cd22 | 107 | const signed short *ff_effects; |
2a552c30 MM |
108 | const u16 min_range; |
109 | const u16 max_range; | |
30bb75d7 | 110 | void (*set_range)(struct hid_device *hid, u16 range); |
7362cd22 MM |
111 | }; |
112 | ||
e7c23449 | 113 | struct lg4ff_compat_mode_switch { |
2a552c30 MM |
114 | const u8 cmd_count; /* Number of commands to send */ |
115 | const u8 cmd[]; | |
e7c23449 MM |
116 | }; |
117 | ||
118 | struct lg4ff_wheel_ident_info { | |
bbec1bd0 | 119 | const u32 modes; |
e7c23449 MM |
120 | const u16 mask; |
121 | const u16 result; | |
122 | const u16 real_product_id; | |
123 | }; | |
124 | ||
b96d23ec MM |
125 | struct lg4ff_multimode_wheel { |
126 | const u16 product_id; | |
127 | const u32 alternate_modes; | |
128 | const char *real_tag; | |
129 | const char *real_name; | |
130 | }; | |
131 | ||
132 | struct lg4ff_alternate_mode { | |
133 | const u16 product_id; | |
134 | const char *tag; | |
135 | const char *name; | |
136 | }; | |
137 | ||
7362cd22 | 138 | static const struct lg4ff_wheel lg4ff_devices[] = { |
30bb75d7 MM |
139 | {USB_DEVICE_ID_LOGITECH_WHEEL, lg4ff_wheel_effects, 40, 270, NULL}, |
140 | {USB_DEVICE_ID_LOGITECH_MOMO_WHEEL, lg4ff_wheel_effects, 40, 270, NULL}, | |
d0afd848 MM |
141 | {USB_DEVICE_ID_LOGITECH_DFP_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_dfp}, |
142 | {USB_DEVICE_ID_LOGITECH_G25_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_g25}, | |
143 | {USB_DEVICE_ID_LOGITECH_DFGT_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_g25}, | |
144 | {USB_DEVICE_ID_LOGITECH_G27_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_g25}, | |
29fae1c8 | 145 | {USB_DEVICE_ID_LOGITECH_G29_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_g25}, |
30bb75d7 MM |
146 | {USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2, lg4ff_wheel_effects, 40, 270, NULL}, |
147 | {USB_DEVICE_ID_LOGITECH_WII_WHEEL, lg4ff_wheel_effects, 40, 270, NULL} | |
7362cd22 MM |
148 | }; |
149 | ||
b96d23ec MM |
150 | static const struct lg4ff_multimode_wheel lg4ff_multimode_wheels[] = { |
151 | {USB_DEVICE_ID_LOGITECH_DFP_WHEEL, | |
152 | LG4FF_MODE_NATIVE | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, | |
153 | LG4FF_DFP_TAG, LG4FF_DFP_NAME}, | |
154 | {USB_DEVICE_ID_LOGITECH_G25_WHEEL, | |
155 | LG4FF_MODE_NATIVE | LG4FF_MODE_G25 | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, | |
156 | LG4FF_G25_TAG, LG4FF_G25_NAME}, | |
157 | {USB_DEVICE_ID_LOGITECH_DFGT_WHEEL, | |
158 | LG4FF_MODE_NATIVE | LG4FF_MODE_DFGT | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, | |
159 | LG4FF_DFGT_TAG, LG4FF_DFGT_NAME}, | |
160 | {USB_DEVICE_ID_LOGITECH_G27_WHEEL, | |
161 | LG4FF_MODE_NATIVE | LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, | |
162 | LG4FF_G27_TAG, LG4FF_G27_NAME}, | |
29fae1c8 SW |
163 | {USB_DEVICE_ID_LOGITECH_G29_WHEEL, |
164 | LG4FF_MODE_NATIVE | LG4FF_MODE_G29 | LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFGT | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, | |
165 | LG4FF_G29_TAG, LG4FF_G29_NAME}, | |
b96d23ec MM |
166 | }; |
167 | ||
168 | static const struct lg4ff_alternate_mode lg4ff_alternate_modes[] = { | |
169 | [LG4FF_MODE_NATIVE_IDX] = {0, "native", ""}, | |
170 | [LG4FF_MODE_DFEX_IDX] = {USB_DEVICE_ID_LOGITECH_WHEEL, LG4FF_DFEX_TAG, LG4FF_DFEX_NAME}, | |
171 | [LG4FF_MODE_DFP_IDX] = {USB_DEVICE_ID_LOGITECH_DFP_WHEEL, LG4FF_DFP_TAG, LG4FF_DFP_NAME}, | |
172 | [LG4FF_MODE_G25_IDX] = {USB_DEVICE_ID_LOGITECH_G25_WHEEL, LG4FF_G25_TAG, LG4FF_G25_NAME}, | |
173 | [LG4FF_MODE_DFGT_IDX] = {USB_DEVICE_ID_LOGITECH_DFGT_WHEEL, LG4FF_DFGT_TAG, LG4FF_DFGT_NAME}, | |
29fae1c8 SW |
174 | [LG4FF_MODE_G27_IDX] = {USB_DEVICE_ID_LOGITECH_G27_WHEEL, LG4FF_G27_TAG, LG4FF_G27_NAME}, |
175 | [LG4FF_MODE_G29_IDX] = {USB_DEVICE_ID_LOGITECH_G29_WHEEL, LG4FF_G29_TAG, LG4FF_G29_NAME}, | |
b96d23ec MM |
176 | }; |
177 | ||
e7c23449 MM |
178 | /* Multimode wheel identificators */ |
179 | static const struct lg4ff_wheel_ident_info lg4ff_dfp_ident_info = { | |
bbec1bd0 | 180 | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, |
e7c23449 MM |
181 | 0xf000, |
182 | 0x1000, | |
183 | USB_DEVICE_ID_LOGITECH_DFP_WHEEL | |
184 | }; | |
185 | ||
186 | static const struct lg4ff_wheel_ident_info lg4ff_g25_ident_info = { | |
bbec1bd0 | 187 | LG4FF_MODE_G25 | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, |
e7c23449 MM |
188 | 0xff00, |
189 | 0x1200, | |
190 | USB_DEVICE_ID_LOGITECH_G25_WHEEL | |
191 | }; | |
192 | ||
193 | static const struct lg4ff_wheel_ident_info lg4ff_g27_ident_info = { | |
bbec1bd0 | 194 | LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, |
e7c23449 MM |
195 | 0xfff0, |
196 | 0x1230, | |
197 | USB_DEVICE_ID_LOGITECH_G27_WHEEL | |
96440c8a MM |
198 | }; |
199 | ||
e7c23449 | 200 | static const struct lg4ff_wheel_ident_info lg4ff_dfgt_ident_info = { |
bbec1bd0 | 201 | LG4FF_MODE_DFGT | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, |
e7c23449 MM |
202 | 0xff00, |
203 | 0x1300, | |
204 | USB_DEVICE_ID_LOGITECH_DFGT_WHEEL | |
96440c8a MM |
205 | }; |
206 | ||
29fae1c8 SW |
207 | static const struct lg4ff_wheel_ident_info lg4ff_g29_ident_info = { |
208 | LG4FF_MODE_G29 | LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFGT | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, | |
209 | 0xfff8, | |
210 | 0x1350, | |
211 | USB_DEVICE_ID_LOGITECH_G29_WHEEL | |
212 | }; | |
213 | ||
214 | static const struct lg4ff_wheel_ident_info lg4ff_g29_ident_info2 = { | |
215 | LG4FF_MODE_G29 | LG4FF_MODE_G27 | LG4FF_MODE_G25 | LG4FF_MODE_DFGT | LG4FF_MODE_DFP | LG4FF_MODE_DFEX, | |
216 | 0xff00, | |
217 | 0x8900, | |
218 | USB_DEVICE_ID_LOGITECH_G29_WHEEL | |
219 | }; | |
220 | ||
e7c23449 | 221 | /* Multimode wheel identification checklists */ |
bbec1bd0 | 222 | static const struct lg4ff_wheel_ident_info *lg4ff_main_checklist[] = { |
29fae1c8 SW |
223 | &lg4ff_g29_ident_info, |
224 | &lg4ff_g29_ident_info2, | |
bbec1bd0 SW |
225 | &lg4ff_dfgt_ident_info, |
226 | &lg4ff_g27_ident_info, | |
227 | &lg4ff_g25_ident_info, | |
228 | &lg4ff_dfp_ident_info | |
e7c23449 MM |
229 | }; |
230 | ||
231 | /* Compatibility mode switching commands */ | |
f31a2de3 MM |
232 | /* EXT_CMD9 - Understood by G27 and DFGT */ |
233 | static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext09_dfex = { | |
234 | 2, | |
235 | {0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, /* Revert mode upon USB reset */ | |
236 | 0xf8, 0x09, 0x00, 0x01, 0x00, 0x00, 0x00} /* Switch mode to DF-EX with detach */ | |
96440c8a MM |
237 | }; |
238 | ||
f31a2de3 | 239 | static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext09_dfp = { |
96440c8a | 240 | 2, |
f31a2de3 MM |
241 | {0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, /* Revert mode upon USB reset */ |
242 | 0xf8, 0x09, 0x01, 0x01, 0x00, 0x00, 0x00} /* Switch mode to DFP with detach */ | |
96440c8a MM |
243 | }; |
244 | ||
f31a2de3 MM |
245 | static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext09_g25 = { |
246 | 2, | |
247 | {0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, /* Revert mode upon USB reset */ | |
248 | 0xf8, 0x09, 0x02, 0x01, 0x00, 0x00, 0x00} /* Switch mode to G25 with detach */ | |
96440c8a MM |
249 | }; |
250 | ||
f31a2de3 | 251 | static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext09_dfgt = { |
96440c8a | 252 | 2, |
f31a2de3 MM |
253 | {0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, /* Revert mode upon USB reset */ |
254 | 0xf8, 0x09, 0x03, 0x01, 0x00, 0x00, 0x00} /* Switch mode to DFGT with detach */ | |
255 | }; | |
256 | ||
257 | static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext09_g27 = { | |
258 | 2, | |
259 | {0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, /* Revert mode upon USB reset */ | |
260 | 0xf8, 0x09, 0x04, 0x01, 0x00, 0x00, 0x00} /* Switch mode to G27 with detach */ | |
261 | }; | |
262 | ||
29fae1c8 SW |
263 | static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext09_g29 = { |
264 | 2, | |
265 | {0xf8, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, /* Revert mode upon USB reset */ | |
266 | 0xf8, 0x09, 0x05, 0x01, 0x01, 0x00, 0x00} /* Switch mode to G29 with detach */ | |
267 | }; | |
268 | ||
f31a2de3 MM |
269 | /* EXT_CMD1 - Understood by DFP, G25, G27 and DFGT */ |
270 | static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext01_dfp = { | |
271 | 1, | |
272 | {0xf8, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00} | |
273 | }; | |
274 | ||
275 | /* EXT_CMD16 - Understood by G25 and G27 */ | |
276 | static const struct lg4ff_compat_mode_switch lg4ff_mode_switch_ext16_g25 = { | |
277 | 1, | |
278 | {0xf8, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00} | |
96440c8a MM |
279 | }; |
280 | ||
2b24a960 | 281 | /* Recalculates X axis value accordingly to currently selected range */ |
2a552c30 | 282 | static s32 lg4ff_adjust_dfp_x_axis(s32 value, u16 range) |
2b24a960 | 283 | { |
2a552c30 MM |
284 | u16 max_range; |
285 | s32 new_value; | |
2b24a960 MM |
286 | |
287 | if (range == 900) | |
288 | return value; | |
289 | else if (range == 200) | |
290 | return value; | |
291 | else if (range < 200) | |
292 | max_range = 200; | |
293 | else | |
294 | max_range = 900; | |
295 | ||
296 | new_value = 8192 + mult_frac(value - 8192, max_range, range); | |
297 | if (new_value < 0) | |
298 | return 0; | |
299 | else if (new_value > 16383) | |
300 | return 16383; | |
301 | else | |
302 | return new_value; | |
303 | } | |
304 | ||
305 | int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field, | |
2a552c30 | 306 | struct hid_usage *usage, s32 value, struct lg_drv_data *drv_data) |
2b24a960 MM |
307 | { |
308 | struct lg4ff_device_entry *entry = drv_data->device_props; | |
2a552c30 | 309 | s32 new_value = 0; |
2b24a960 MM |
310 | |
311 | if (!entry) { | |
312 | hid_err(hid, "Device properties not found"); | |
313 | return 0; | |
314 | } | |
315 | ||
72529c65 | 316 | switch (entry->wdata.product_id) { |
2b24a960 MM |
317 | case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: |
318 | switch (usage->code) { | |
319 | case ABS_X: | |
72529c65 | 320 | new_value = lg4ff_adjust_dfp_x_axis(value, entry->wdata.range); |
2b24a960 MM |
321 | input_event(field->hidinput->input, usage->type, usage->code, new_value); |
322 | return 1; | |
323 | default: | |
324 | return 0; | |
325 | } | |
326 | default: | |
327 | return 0; | |
328 | } | |
329 | } | |
330 | ||
5d9d60ad MM |
331 | static void lg4ff_init_wheel_data(struct lg4ff_wheel_data * const wdata, const struct lg4ff_wheel *wheel, |
332 | const struct lg4ff_multimode_wheel *mmode_wheel, | |
333 | const u16 real_product_id) | |
334 | { | |
335 | u32 alternate_modes = 0; | |
336 | const char *real_tag = NULL; | |
337 | const char *real_name = NULL; | |
338 | ||
339 | if (mmode_wheel) { | |
340 | alternate_modes = mmode_wheel->alternate_modes; | |
341 | real_tag = mmode_wheel->real_tag; | |
342 | real_name = mmode_wheel->real_name; | |
343 | } | |
344 | ||
345 | { | |
346 | struct lg4ff_wheel_data t_wdata = { .product_id = wheel->product_id, | |
347 | .real_product_id = real_product_id, | |
348 | .min_range = wheel->min_range, | |
349 | .max_range = wheel->max_range, | |
350 | .set_range = wheel->set_range, | |
351 | .alternate_modes = alternate_modes, | |
352 | .real_tag = real_tag, | |
353 | .real_name = real_name }; | |
354 | ||
355 | memcpy(wdata, &t_wdata, sizeof(t_wdata)); | |
356 | } | |
357 | } | |
358 | ||
d0afd848 | 359 | static int lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effect) |
32c88cbc SW |
360 | { |
361 | struct hid_device *hid = input_get_drvdata(dev); | |
c918fe78 MM |
362 | struct lg4ff_device_entry *entry; |
363 | struct lg_drv_data *drv_data; | |
364 | unsigned long flags; | |
c28abd8c | 365 | s32 *value; |
32c88cbc SW |
366 | int x; |
367 | ||
c918fe78 MM |
368 | drv_data = hid_get_drvdata(hid); |
369 | if (!drv_data) { | |
370 | hid_err(hid, "Private driver data not found!\n"); | |
371 | return -EINVAL; | |
372 | } | |
373 | ||
374 | entry = drv_data->device_props; | |
375 | if (!entry) { | |
376 | hid_err(hid, "Device properties not found!\n"); | |
377 | return -EINVAL; | |
378 | } | |
c28abd8c | 379 | value = entry->report->field[0]->value; |
c918fe78 | 380 | |
a80fe5d6 | 381 | #define CLAMP(x) do { if (x < 0) x = 0; else if (x > 0xff) x = 0xff; } while (0) |
32c88cbc SW |
382 | |
383 | switch (effect->type) { | |
384 | case FF_CONSTANT: | |
385 | x = effect->u.ramp.start_level + 0x80; /* 0x80 is no force */ | |
386 | CLAMP(x); | |
56930e7a | 387 | |
c918fe78 | 388 | spin_lock_irqsave(&entry->report_lock, flags); |
56930e7a SW |
389 | if (x == 0x80) { |
390 | /* De-activate force in slot-1*/ | |
391 | value[0] = 0x13; | |
392 | value[1] = 0x00; | |
393 | value[2] = 0x00; | |
394 | value[3] = 0x00; | |
395 | value[4] = 0x00; | |
396 | value[5] = 0x00; | |
397 | value[6] = 0x00; | |
398 | ||
c28abd8c | 399 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
c918fe78 | 400 | spin_unlock_irqrestore(&entry->report_lock, flags); |
56930e7a SW |
401 | return 0; |
402 | } | |
403 | ||
74479ba8 MM |
404 | value[0] = 0x11; /* Slot 1 */ |
405 | value[1] = 0x08; | |
406 | value[2] = x; | |
407 | value[3] = 0x80; | |
408 | value[4] = 0x00; | |
409 | value[5] = 0x00; | |
410 | value[6] = 0x00; | |
32c88cbc | 411 | |
c28abd8c | 412 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
c918fe78 | 413 | spin_unlock_irqrestore(&entry->report_lock, flags); |
32c88cbc SW |
414 | break; |
415 | } | |
416 | return 0; | |
417 | } | |
418 | ||
6e2de8e0 MM |
419 | /* Sends default autocentering command compatible with |
420 | * all wheels except Formula Force EX */ | |
d0afd848 | 421 | static void lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitude) |
32c88cbc SW |
422 | { |
423 | struct hid_device *hid = input_get_drvdata(dev); | |
424 | struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; | |
425 | struct hid_report *report = list_entry(report_list->next, struct hid_report, list); | |
2a552c30 MM |
426 | s32 *value = report->field[0]->value; |
427 | u32 expand_a, expand_b; | |
1859762e SW |
428 | struct lg4ff_device_entry *entry; |
429 | struct lg_drv_data *drv_data; | |
c918fe78 | 430 | unsigned long flags; |
1859762e SW |
431 | |
432 | drv_data = hid_get_drvdata(hid); | |
433 | if (!drv_data) { | |
434 | hid_err(hid, "Private driver data not found!\n"); | |
435 | return; | |
436 | } | |
437 | ||
438 | entry = drv_data->device_props; | |
439 | if (!entry) { | |
440 | hid_err(hid, "Device properties not found!\n"); | |
441 | return; | |
442 | } | |
c28abd8c | 443 | value = entry->report->field[0]->value; |
f8c23156 | 444 | |
d2c02da5 | 445 | /* De-activate Auto-Center */ |
c918fe78 | 446 | spin_lock_irqsave(&entry->report_lock, flags); |
d2c02da5 SW |
447 | if (magnitude == 0) { |
448 | value[0] = 0xf5; | |
449 | value[1] = 0x00; | |
450 | value[2] = 0x00; | |
451 | value[3] = 0x00; | |
452 | value[4] = 0x00; | |
453 | value[5] = 0x00; | |
454 | value[6] = 0x00; | |
455 | ||
c28abd8c | 456 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
c918fe78 | 457 | spin_unlock_irqrestore(&entry->report_lock, flags); |
d2c02da5 SW |
458 | return; |
459 | } | |
460 | ||
f8c23156 SW |
461 | if (magnitude <= 0xaaaa) { |
462 | expand_a = 0x0c * magnitude; | |
463 | expand_b = 0x80 * magnitude; | |
464 | } else { | |
465 | expand_a = (0x0c * 0xaaaa) + 0x06 * (magnitude - 0xaaaa); | |
466 | expand_b = (0x80 * 0xaaaa) + 0xff * (magnitude - 0xaaaa); | |
467 | } | |
32c88cbc | 468 | |
1859762e | 469 | /* Adjust for non-MOMO wheels */ |
72529c65 | 470 | switch (entry->wdata.product_id) { |
1859762e SW |
471 | case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL: |
472 | case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2: | |
473 | break; | |
474 | default: | |
475 | expand_a = expand_a >> 1; | |
476 | break; | |
477 | } | |
478 | ||
74479ba8 MM |
479 | value[0] = 0xfe; |
480 | value[1] = 0x0d; | |
f8c23156 SW |
481 | value[2] = expand_a / 0xaaaa; |
482 | value[3] = expand_a / 0xaaaa; | |
483 | value[4] = expand_b / 0xaaaa; | |
74479ba8 MM |
484 | value[5] = 0x00; |
485 | value[6] = 0x00; | |
32c88cbc | 486 | |
c28abd8c | 487 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
d2c02da5 SW |
488 | |
489 | /* Activate Auto-Center */ | |
490 | value[0] = 0x14; | |
491 | value[1] = 0x00; | |
492 | value[2] = 0x00; | |
493 | value[3] = 0x00; | |
494 | value[4] = 0x00; | |
495 | value[5] = 0x00; | |
496 | value[6] = 0x00; | |
497 | ||
c28abd8c | 498 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
c918fe78 | 499 | spin_unlock_irqrestore(&entry->report_lock, flags); |
32c88cbc SW |
500 | } |
501 | ||
6e2de8e0 | 502 | /* Sends autocentering command compatible with Formula Force EX */ |
d0afd848 | 503 | static void lg4ff_set_autocenter_ffex(struct input_dev *dev, u16 magnitude) |
6e2de8e0 MM |
504 | { |
505 | struct hid_device *hid = input_get_drvdata(dev); | |
c918fe78 MM |
506 | struct lg4ff_device_entry *entry; |
507 | struct lg_drv_data *drv_data; | |
508 | unsigned long flags; | |
c28abd8c | 509 | s32 *value; |
6e2de8e0 | 510 | magnitude = magnitude * 90 / 65535; |
6e2de8e0 | 511 | |
c918fe78 MM |
512 | drv_data = hid_get_drvdata(hid); |
513 | if (!drv_data) { | |
514 | hid_err(hid, "Private driver data not found!\n"); | |
515 | return; | |
516 | } | |
517 | ||
518 | entry = drv_data->device_props; | |
519 | if (!entry) { | |
520 | hid_err(hid, "Device properties not found!\n"); | |
521 | return; | |
522 | } | |
c28abd8c | 523 | value = entry->report->field[0]->value; |
c918fe78 MM |
524 | |
525 | spin_lock_irqsave(&entry->report_lock, flags); | |
74479ba8 MM |
526 | value[0] = 0xfe; |
527 | value[1] = 0x03; | |
528 | value[2] = magnitude >> 14; | |
529 | value[3] = magnitude >> 14; | |
530 | value[4] = magnitude; | |
531 | value[5] = 0x00; | |
532 | value[6] = 0x00; | |
6e2de8e0 | 533 | |
c28abd8c | 534 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
c918fe78 | 535 | spin_unlock_irqrestore(&entry->report_lock, flags); |
6e2de8e0 MM |
536 | } |
537 | ||
30bb75d7 | 538 | /* Sends command to set range compatible with G25/G27/Driving Force GT */ |
d0afd848 | 539 | static void lg4ff_set_range_g25(struct hid_device *hid, u16 range) |
30bb75d7 | 540 | { |
c918fe78 MM |
541 | struct lg4ff_device_entry *entry; |
542 | struct lg_drv_data *drv_data; | |
543 | unsigned long flags; | |
c28abd8c | 544 | s32 *value; |
74479ba8 | 545 | |
c918fe78 MM |
546 | drv_data = hid_get_drvdata(hid); |
547 | if (!drv_data) { | |
548 | hid_err(hid, "Private driver data not found!\n"); | |
549 | return; | |
550 | } | |
551 | ||
552 | entry = drv_data->device_props; | |
553 | if (!entry) { | |
554 | hid_err(hid, "Device properties not found!\n"); | |
555 | return; | |
556 | } | |
c28abd8c | 557 | value = entry->report->field[0]->value; |
30bb75d7 MM |
558 | dbg_hid("G25/G27/DFGT: setting range to %u\n", range); |
559 | ||
c918fe78 | 560 | spin_lock_irqsave(&entry->report_lock, flags); |
74479ba8 MM |
561 | value[0] = 0xf8; |
562 | value[1] = 0x81; | |
563 | value[2] = range & 0x00ff; | |
564 | value[3] = (range & 0xff00) >> 8; | |
565 | value[4] = 0x00; | |
566 | value[5] = 0x00; | |
567 | value[6] = 0x00; | |
30bb75d7 | 568 | |
c28abd8c | 569 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
c918fe78 | 570 | spin_unlock_irqrestore(&entry->report_lock, flags); |
30bb75d7 MM |
571 | } |
572 | ||
573 | /* Sends commands to set range compatible with Driving Force Pro wheel */ | |
d0afd848 | 574 | static void lg4ff_set_range_dfp(struct hid_device *hid, u16 range) |
30bb75d7 | 575 | { |
c918fe78 MM |
576 | struct lg4ff_device_entry *entry; |
577 | struct lg_drv_data *drv_data; | |
578 | unsigned long flags; | |
c28abd8c MM |
579 | int start_left, start_right, full_range; |
580 | s32 *value; | |
74479ba8 | 581 | |
c918fe78 MM |
582 | drv_data = hid_get_drvdata(hid); |
583 | if (!drv_data) { | |
584 | hid_err(hid, "Private driver data not found!\n"); | |
585 | return; | |
586 | } | |
587 | ||
588 | entry = drv_data->device_props; | |
589 | if (!entry) { | |
590 | hid_err(hid, "Device properties not found!\n"); | |
591 | return; | |
592 | } | |
c28abd8c | 593 | value = entry->report->field[0]->value; |
30bb75d7 MM |
594 | dbg_hid("Driving Force Pro: setting range to %u\n", range); |
595 | ||
596 | /* Prepare "coarse" limit command */ | |
c918fe78 | 597 | spin_lock_irqsave(&entry->report_lock, flags); |
74479ba8 | 598 | value[0] = 0xf8; |
a80fe5d6 | 599 | value[1] = 0x00; /* Set later */ |
74479ba8 MM |
600 | value[2] = 0x00; |
601 | value[3] = 0x00; | |
602 | value[4] = 0x00; | |
603 | value[5] = 0x00; | |
604 | value[6] = 0x00; | |
30bb75d7 MM |
605 | |
606 | if (range > 200) { | |
c28abd8c | 607 | value[1] = 0x03; |
30bb75d7 MM |
608 | full_range = 900; |
609 | } else { | |
c28abd8c | 610 | value[1] = 0x02; |
30bb75d7 MM |
611 | full_range = 200; |
612 | } | |
c28abd8c | 613 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
30bb75d7 MM |
614 | |
615 | /* Prepare "fine" limit command */ | |
74479ba8 MM |
616 | value[0] = 0x81; |
617 | value[1] = 0x0b; | |
618 | value[2] = 0x00; | |
619 | value[3] = 0x00; | |
620 | value[4] = 0x00; | |
621 | value[5] = 0x00; | |
622 | value[6] = 0x00; | |
30bb75d7 MM |
623 | |
624 | if (range == 200 || range == 900) { /* Do not apply any fine limit */ | |
c28abd8c | 625 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
c918fe78 | 626 | spin_unlock_irqrestore(&entry->report_lock, flags); |
30bb75d7 MM |
627 | return; |
628 | } | |
629 | ||
630 | /* Construct fine limit command */ | |
631 | start_left = (((full_range - range + 1) * 2047) / full_range); | |
632 | start_right = 0xfff - start_left; | |
633 | ||
74479ba8 MM |
634 | value[2] = start_left >> 4; |
635 | value[3] = start_right >> 4; | |
636 | value[4] = 0xff; | |
637 | value[5] = (start_right & 0xe) << 4 | (start_left & 0xe); | |
638 | value[6] = 0xff; | |
30bb75d7 | 639 | |
c28abd8c | 640 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
c918fe78 | 641 | spin_unlock_irqrestore(&entry->report_lock, flags); |
30bb75d7 MM |
642 | } |
643 | ||
f31a2de3 MM |
644 | static const struct lg4ff_compat_mode_switch *lg4ff_get_mode_switch_command(const u16 real_product_id, const u16 target_product_id) |
645 | { | |
646 | switch (real_product_id) { | |
647 | case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: | |
648 | switch (target_product_id) { | |
649 | case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: | |
650 | return &lg4ff_mode_switch_ext01_dfp; | |
651 | /* DFP can only be switched to its native mode */ | |
652 | default: | |
653 | return NULL; | |
654 | } | |
655 | break; | |
656 | case USB_DEVICE_ID_LOGITECH_G25_WHEEL: | |
657 | switch (target_product_id) { | |
658 | case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: | |
659 | return &lg4ff_mode_switch_ext01_dfp; | |
660 | case USB_DEVICE_ID_LOGITECH_G25_WHEEL: | |
661 | return &lg4ff_mode_switch_ext16_g25; | |
662 | /* G25 can only be switched to DFP mode or its native mode */ | |
663 | default: | |
664 | return NULL; | |
665 | } | |
666 | break; | |
667 | case USB_DEVICE_ID_LOGITECH_G27_WHEEL: | |
668 | switch (target_product_id) { | |
669 | case USB_DEVICE_ID_LOGITECH_WHEEL: | |
670 | return &lg4ff_mode_switch_ext09_dfex; | |
671 | case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: | |
672 | return &lg4ff_mode_switch_ext09_dfp; | |
673 | case USB_DEVICE_ID_LOGITECH_G25_WHEEL: | |
674 | return &lg4ff_mode_switch_ext09_g25; | |
675 | case USB_DEVICE_ID_LOGITECH_G27_WHEEL: | |
676 | return &lg4ff_mode_switch_ext09_g27; | |
677 | /* G27 can only be switched to DF-EX, DFP, G25 or its native mode */ | |
678 | default: | |
679 | return NULL; | |
680 | } | |
681 | break; | |
29fae1c8 SW |
682 | case USB_DEVICE_ID_LOGITECH_G29_WHEEL: |
683 | switch (target_product_id) { | |
684 | case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: | |
685 | return &lg4ff_mode_switch_ext09_dfp; | |
686 | case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL: | |
687 | return &lg4ff_mode_switch_ext09_dfgt; | |
688 | case USB_DEVICE_ID_LOGITECH_G25_WHEEL: | |
689 | return &lg4ff_mode_switch_ext09_g25; | |
690 | case USB_DEVICE_ID_LOGITECH_G27_WHEEL: | |
691 | return &lg4ff_mode_switch_ext09_g27; | |
692 | case USB_DEVICE_ID_LOGITECH_G29_WHEEL: | |
693 | return &lg4ff_mode_switch_ext09_g29; | |
694 | /* G29 can only be switched to DF-EX, DFP, DFGT, G25, G27 or its native mode */ | |
695 | default: | |
696 | return NULL; | |
697 | } | |
698 | break; | |
f31a2de3 MM |
699 | case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL: |
700 | switch (target_product_id) { | |
701 | case USB_DEVICE_ID_LOGITECH_WHEEL: | |
702 | return &lg4ff_mode_switch_ext09_dfex; | |
703 | case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: | |
704 | return &lg4ff_mode_switch_ext09_dfp; | |
705 | case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL: | |
706 | return &lg4ff_mode_switch_ext09_dfgt; | |
707 | /* DFGT can only be switched to DF-EX, DFP or its native mode */ | |
708 | default: | |
709 | return NULL; | |
710 | } | |
711 | break; | |
712 | /* No other wheels have multiple modes */ | |
713 | default: | |
714 | return NULL; | |
715 | } | |
716 | } | |
717 | ||
e7c23449 | 718 | static int lg4ff_switch_compatibility_mode(struct hid_device *hid, const struct lg4ff_compat_mode_switch *s) |
96440c8a | 719 | { |
c918fe78 MM |
720 | struct lg4ff_device_entry *entry; |
721 | struct lg_drv_data *drv_data; | |
722 | unsigned long flags; | |
c28abd8c | 723 | s32 *value; |
e7c23449 | 724 | u8 i; |
96440c8a | 725 | |
c918fe78 MM |
726 | drv_data = hid_get_drvdata(hid); |
727 | if (!drv_data) { | |
728 | hid_err(hid, "Private driver data not found!\n"); | |
729 | return -EINVAL; | |
730 | } | |
731 | ||
732 | entry = drv_data->device_props; | |
733 | if (!entry) { | |
734 | hid_err(hid, "Device properties not found!\n"); | |
735 | return -EINVAL; | |
736 | } | |
c28abd8c | 737 | value = entry->report->field[0]->value; |
c918fe78 MM |
738 | |
739 | spin_lock_irqsave(&entry->report_lock, flags); | |
e7c23449 | 740 | for (i = 0; i < s->cmd_count; i++) { |
c1740d13 | 741 | u8 j; |
96440c8a | 742 | |
c1740d13 MM |
743 | for (j = 0; j < 7; j++) |
744 | value[j] = s->cmd[j + (7*i)]; | |
745 | ||
c28abd8c | 746 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
96440c8a | 747 | } |
c918fe78 | 748 | spin_unlock_irqrestore(&entry->report_lock, flags); |
c1740d13 | 749 | hid_hw_wait(hid); |
e7c23449 | 750 | return 0; |
96440c8a | 751 | } |
32c88cbc | 752 | |
b96d23ec MM |
753 | static ssize_t lg4ff_alternate_modes_show(struct device *dev, struct device_attribute *attr, char *buf) |
754 | { | |
755 | struct hid_device *hid = to_hid_device(dev); | |
756 | struct lg4ff_device_entry *entry; | |
757 | struct lg_drv_data *drv_data; | |
758 | ssize_t count = 0; | |
759 | int i; | |
760 | ||
761 | drv_data = hid_get_drvdata(hid); | |
762 | if (!drv_data) { | |
763 | hid_err(hid, "Private driver data not found!\n"); | |
764 | return 0; | |
765 | } | |
766 | ||
767 | entry = drv_data->device_props; | |
768 | if (!entry) { | |
769 | hid_err(hid, "Device properties not found!\n"); | |
770 | return 0; | |
771 | } | |
772 | ||
72529c65 | 773 | if (!entry->wdata.real_name) { |
b96d23ec MM |
774 | hid_err(hid, "NULL pointer to string\n"); |
775 | return 0; | |
776 | } | |
777 | ||
778 | for (i = 0; i < LG4FF_MODE_MAX_IDX; i++) { | |
72529c65 | 779 | if (entry->wdata.alternate_modes & BIT(i)) { |
b96d23ec MM |
780 | /* Print tag and full name */ |
781 | count += scnprintf(buf + count, PAGE_SIZE - count, "%s: %s", | |
782 | lg4ff_alternate_modes[i].tag, | |
72529c65 | 783 | !lg4ff_alternate_modes[i].product_id ? entry->wdata.real_name : lg4ff_alternate_modes[i].name); |
b96d23ec MM |
784 | if (count >= PAGE_SIZE - 1) |
785 | return count; | |
786 | ||
787 | /* Mark the currently active mode with an asterisk */ | |
72529c65 MM |
788 | if (lg4ff_alternate_modes[i].product_id == entry->wdata.product_id || |
789 | (lg4ff_alternate_modes[i].product_id == 0 && entry->wdata.product_id == entry->wdata.real_product_id)) | |
b96d23ec MM |
790 | count += scnprintf(buf + count, PAGE_SIZE - count, " *\n"); |
791 | else | |
792 | count += scnprintf(buf + count, PAGE_SIZE - count, "\n"); | |
793 | ||
794 | if (count >= PAGE_SIZE - 1) | |
795 | return count; | |
796 | } | |
797 | } | |
798 | ||
799 | return count; | |
800 | } | |
801 | ||
802 | static ssize_t lg4ff_alternate_modes_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | |
803 | { | |
f31a2de3 MM |
804 | struct hid_device *hid = to_hid_device(dev); |
805 | struct lg4ff_device_entry *entry; | |
806 | struct lg_drv_data *drv_data; | |
807 | const struct lg4ff_compat_mode_switch *s; | |
808 | u16 target_product_id = 0; | |
809 | int i, ret; | |
810 | char *lbuf; | |
811 | ||
812 | drv_data = hid_get_drvdata(hid); | |
813 | if (!drv_data) { | |
814 | hid_err(hid, "Private driver data not found!\n"); | |
815 | return -EINVAL; | |
816 | } | |
817 | ||
818 | entry = drv_data->device_props; | |
819 | if (!entry) { | |
820 | hid_err(hid, "Device properties not found!\n"); | |
821 | return -EINVAL; | |
822 | } | |
823 | ||
824 | /* Allow \n at the end of the input parameter */ | |
825 | lbuf = kasprintf(GFP_KERNEL, "%s", buf); | |
826 | if (!lbuf) | |
827 | return -ENOMEM; | |
828 | ||
829 | i = strlen(lbuf); | |
830 | if (lbuf[i-1] == '\n') { | |
831 | if (i == 1) { | |
832 | kfree(lbuf); | |
833 | return -EINVAL; | |
834 | } | |
835 | lbuf[i-1] = '\0'; | |
836 | } | |
837 | ||
838 | for (i = 0; i < LG4FF_MODE_MAX_IDX; i++) { | |
839 | const u16 mode_product_id = lg4ff_alternate_modes[i].product_id; | |
840 | const char *tag = lg4ff_alternate_modes[i].tag; | |
841 | ||
72529c65 | 842 | if (entry->wdata.alternate_modes & BIT(i)) { |
f31a2de3 MM |
843 | if (!strcmp(tag, lbuf)) { |
844 | if (!mode_product_id) | |
72529c65 | 845 | target_product_id = entry->wdata.real_product_id; |
f31a2de3 MM |
846 | else |
847 | target_product_id = mode_product_id; | |
848 | break; | |
849 | } | |
850 | } | |
851 | } | |
852 | ||
853 | if (i == LG4FF_MODE_MAX_IDX) { | |
854 | hid_info(hid, "Requested mode \"%s\" is not supported by the device\n", lbuf); | |
855 | kfree(lbuf); | |
856 | return -EINVAL; | |
857 | } | |
858 | kfree(lbuf); /* Not needed anymore */ | |
859 | ||
72529c65 | 860 | if (target_product_id == entry->wdata.product_id) /* Nothing to do */ |
f31a2de3 MM |
861 | return count; |
862 | ||
863 | /* Automatic switching has to be disabled for the switch to DF-EX mode to work correctly */ | |
864 | if (target_product_id == USB_DEVICE_ID_LOGITECH_WHEEL && !lg4ff_no_autoswitch) { | |
865 | hid_info(hid, "\"%s\" cannot be switched to \"DF-EX\" mode. Load the \"hid_logitech\" module with \"lg4ff_no_autoswitch=1\" parameter set and try again\n", | |
72529c65 | 866 | entry->wdata.real_name); |
f31a2de3 MM |
867 | return -EINVAL; |
868 | } | |
869 | ||
870 | /* Take care of hardware limitations */ | |
72529c65 MM |
871 | if ((entry->wdata.real_product_id == USB_DEVICE_ID_LOGITECH_DFP_WHEEL || entry->wdata.real_product_id == USB_DEVICE_ID_LOGITECH_G25_WHEEL) && |
872 | entry->wdata.product_id > target_product_id) { | |
873 | hid_info(hid, "\"%s\" cannot be switched back into \"%s\" mode\n", entry->wdata.real_name, lg4ff_alternate_modes[i].name); | |
f31a2de3 MM |
874 | return -EINVAL; |
875 | } | |
876 | ||
72529c65 | 877 | s = lg4ff_get_mode_switch_command(entry->wdata.real_product_id, target_product_id); |
f31a2de3 MM |
878 | if (!s) { |
879 | hid_err(hid, "Invalid target product ID %X\n", target_product_id); | |
880 | return -EINVAL; | |
881 | } | |
882 | ||
883 | ret = lg4ff_switch_compatibility_mode(hid, s); | |
884 | return (ret == 0 ? count : ret); | |
b96d23ec MM |
885 | } |
886 | static DEVICE_ATTR(alternate_modes, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH, lg4ff_alternate_modes_show, lg4ff_alternate_modes_store); | |
887 | ||
fbf85e2a MM |
888 | /* Export the currently set range of the wheel */ |
889 | static ssize_t lg4ff_range_show(struct device *dev, struct device_attribute *attr, | |
890 | char *buf) | |
30bb75d7 | 891 | { |
30bb75d7 | 892 | struct hid_device *hid = to_hid_device(dev); |
3b6b17b7 MM |
893 | struct lg4ff_device_entry *entry; |
894 | struct lg_drv_data *drv_data; | |
30bb75d7 MM |
895 | size_t count; |
896 | ||
3b6b17b7 MM |
897 | drv_data = hid_get_drvdata(hid); |
898 | if (!drv_data) { | |
899 | hid_err(hid, "Private driver data not found!\n"); | |
900 | return 0; | |
30bb75d7 | 901 | } |
3b6b17b7 MM |
902 | |
903 | entry = drv_data->device_props; | |
904 | if (!entry) { | |
905 | hid_err(hid, "Device properties not found!\n"); | |
30bb75d7 MM |
906 | return 0; |
907 | } | |
908 | ||
72529c65 | 909 | count = scnprintf(buf, PAGE_SIZE, "%u\n", entry->wdata.range); |
30bb75d7 MM |
910 | return count; |
911 | } | |
912 | ||
913 | /* Set range to user specified value, call appropriate function | |
914 | * according to the type of the wheel */ | |
fbf85e2a MM |
915 | static ssize_t lg4ff_range_store(struct device *dev, struct device_attribute *attr, |
916 | const char *buf, size_t count) | |
30bb75d7 | 917 | { |
30bb75d7 | 918 | struct hid_device *hid = to_hid_device(dev); |
3b6b17b7 MM |
919 | struct lg4ff_device_entry *entry; |
920 | struct lg_drv_data *drv_data; | |
2a552c30 | 921 | u16 range = simple_strtoul(buf, NULL, 10); |
30bb75d7 | 922 | |
3b6b17b7 MM |
923 | drv_data = hid_get_drvdata(hid); |
924 | if (!drv_data) { | |
925 | hid_err(hid, "Private driver data not found!\n"); | |
29ff6657 | 926 | return -EINVAL; |
30bb75d7 | 927 | } |
3b6b17b7 MM |
928 | |
929 | entry = drv_data->device_props; | |
930 | if (!entry) { | |
931 | hid_err(hid, "Device properties not found!\n"); | |
29ff6657 | 932 | return -EINVAL; |
30bb75d7 MM |
933 | } |
934 | ||
935 | if (range == 0) | |
72529c65 | 936 | range = entry->wdata.max_range; |
30bb75d7 MM |
937 | |
938 | /* Check if the wheel supports range setting | |
939 | * and that the range is within limits for the wheel */ | |
72529c65 MM |
940 | if (entry->wdata.set_range && range >= entry->wdata.min_range && range <= entry->wdata.max_range) { |
941 | entry->wdata.set_range(hid, range); | |
942 | entry->wdata.range = range; | |
30bb75d7 MM |
943 | } |
944 | ||
945 | return count; | |
946 | } | |
fbf85e2a | 947 | static DEVICE_ATTR(range, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH, lg4ff_range_show, lg4ff_range_store); |
30bb75d7 | 948 | |
b96d23ec MM |
949 | static ssize_t lg4ff_real_id_show(struct device *dev, struct device_attribute *attr, char *buf) |
950 | { | |
951 | struct hid_device *hid = to_hid_device(dev); | |
952 | struct lg4ff_device_entry *entry; | |
953 | struct lg_drv_data *drv_data; | |
954 | size_t count; | |
955 | ||
956 | drv_data = hid_get_drvdata(hid); | |
957 | if (!drv_data) { | |
958 | hid_err(hid, "Private driver data not found!\n"); | |
959 | return 0; | |
960 | } | |
961 | ||
962 | entry = drv_data->device_props; | |
963 | if (!entry) { | |
964 | hid_err(hid, "Device properties not found!\n"); | |
965 | return 0; | |
966 | } | |
967 | ||
72529c65 | 968 | if (!entry->wdata.real_tag || !entry->wdata.real_name) { |
b96d23ec MM |
969 | hid_err(hid, "NULL pointer to string\n"); |
970 | return 0; | |
971 | } | |
972 | ||
72529c65 | 973 | count = scnprintf(buf, PAGE_SIZE, "%s: %s\n", entry->wdata.real_tag, entry->wdata.real_name); |
b96d23ec MM |
974 | return count; |
975 | } | |
976 | ||
977 | static ssize_t lg4ff_real_id_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | |
978 | { | |
979 | /* Real ID is a read-only value */ | |
980 | return -EPERM; | |
981 | } | |
982 | static DEVICE_ATTR(real_id, S_IRUGO, lg4ff_real_id_show, lg4ff_real_id_store); | |
983 | ||
22bcefdc | 984 | #ifdef CONFIG_LEDS_CLASS |
2a552c30 | 985 | static void lg4ff_set_leds(struct hid_device *hid, u8 leds) |
22bcefdc | 986 | { |
c918fe78 MM |
987 | struct lg_drv_data *drv_data; |
988 | struct lg4ff_device_entry *entry; | |
989 | unsigned long flags; | |
c28abd8c | 990 | s32 *value; |
74479ba8 | 991 | |
c918fe78 MM |
992 | drv_data = hid_get_drvdata(hid); |
993 | if (!drv_data) { | |
994 | hid_err(hid, "Private driver data not found!\n"); | |
995 | return; | |
996 | } | |
997 | ||
998 | entry = drv_data->device_props; | |
999 | if (!entry) { | |
1000 | hid_err(hid, "Device properties not found!\n"); | |
1001 | return; | |
1002 | } | |
c28abd8c | 1003 | value = entry->report->field[0]->value; |
c918fe78 MM |
1004 | |
1005 | spin_lock_irqsave(&entry->report_lock, flags); | |
74479ba8 MM |
1006 | value[0] = 0xf8; |
1007 | value[1] = 0x12; | |
1008 | value[2] = leds; | |
1009 | value[3] = 0x00; | |
1010 | value[4] = 0x00; | |
1011 | value[5] = 0x00; | |
1012 | value[6] = 0x00; | |
c28abd8c | 1013 | hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); |
c918fe78 | 1014 | spin_unlock_irqrestore(&entry->report_lock, flags); |
22bcefdc SW |
1015 | } |
1016 | ||
1017 | static void lg4ff_led_set_brightness(struct led_classdev *led_cdev, | |
1018 | enum led_brightness value) | |
1019 | { | |
1020 | struct device *dev = led_cdev->dev->parent; | |
ee79a8f8 | 1021 | struct hid_device *hid = to_hid_device(dev); |
4629fd16 | 1022 | struct lg_drv_data *drv_data = hid_get_drvdata(hid); |
22bcefdc SW |
1023 | struct lg4ff_device_entry *entry; |
1024 | int i, state = 0; | |
1025 | ||
1026 | if (!drv_data) { | |
1027 | hid_err(hid, "Device data not found."); | |
1028 | return; | |
1029 | } | |
1030 | ||
371a1d9e | 1031 | entry = drv_data->device_props; |
22bcefdc SW |
1032 | |
1033 | if (!entry) { | |
1034 | hid_err(hid, "Device properties not found."); | |
1035 | return; | |
1036 | } | |
1037 | ||
1038 | for (i = 0; i < 5; i++) { | |
72529c65 | 1039 | if (led_cdev != entry->wdata.led[i]) |
22bcefdc | 1040 | continue; |
72529c65 | 1041 | state = (entry->wdata.led_state >> i) & 1; |
22bcefdc | 1042 | if (value == LED_OFF && state) { |
72529c65 MM |
1043 | entry->wdata.led_state &= ~(1 << i); |
1044 | lg4ff_set_leds(hid, entry->wdata.led_state); | |
22bcefdc | 1045 | } else if (value != LED_OFF && !state) { |
72529c65 MM |
1046 | entry->wdata.led_state |= 1 << i; |
1047 | lg4ff_set_leds(hid, entry->wdata.led_state); | |
22bcefdc SW |
1048 | } |
1049 | break; | |
1050 | } | |
1051 | } | |
1052 | ||
1053 | static enum led_brightness lg4ff_led_get_brightness(struct led_classdev *led_cdev) | |
1054 | { | |
1055 | struct device *dev = led_cdev->dev->parent; | |
ee79a8f8 | 1056 | struct hid_device *hid = to_hid_device(dev); |
4629fd16 | 1057 | struct lg_drv_data *drv_data = hid_get_drvdata(hid); |
22bcefdc SW |
1058 | struct lg4ff_device_entry *entry; |
1059 | int i, value = 0; | |
1060 | ||
1061 | if (!drv_data) { | |
1062 | hid_err(hid, "Device data not found."); | |
1063 | return LED_OFF; | |
1064 | } | |
1065 | ||
371a1d9e | 1066 | entry = drv_data->device_props; |
22bcefdc SW |
1067 | |
1068 | if (!entry) { | |
1069 | hid_err(hid, "Device properties not found."); | |
1070 | return LED_OFF; | |
1071 | } | |
1072 | ||
1073 | for (i = 0; i < 5; i++) | |
72529c65 MM |
1074 | if (led_cdev == entry->wdata.led[i]) { |
1075 | value = (entry->wdata.led_state >> i) & 1; | |
22bcefdc SW |
1076 | break; |
1077 | } | |
1078 | ||
1079 | return value ? LED_FULL : LED_OFF; | |
1080 | } | |
1081 | #endif | |
1082 | ||
e7c23449 MM |
1083 | static u16 lg4ff_identify_multimode_wheel(struct hid_device *hid, const u16 reported_product_id, const u16 bcdDevice) |
1084 | { | |
bbec1bd0 SW |
1085 | u32 current_mode; |
1086 | int i; | |
e7c23449 | 1087 | |
bbec1bd0 SW |
1088 | /* identify current mode from USB PID */ |
1089 | for (i = 1; i < ARRAY_SIZE(lg4ff_alternate_modes); i++) { | |
1090 | dbg_hid("Testing whether PID is %X\n", lg4ff_alternate_modes[i].product_id); | |
1091 | if (reported_product_id == lg4ff_alternate_modes[i].product_id) | |
1092 | break; | |
e7c23449 MM |
1093 | } |
1094 | ||
bbec1bd0 SW |
1095 | if (i == ARRAY_SIZE(lg4ff_alternate_modes)) |
1096 | return 0; | |
1097 | ||
1098 | current_mode = BIT(i); | |
1099 | ||
1100 | for (i = 0; i < ARRAY_SIZE(lg4ff_main_checklist); i++) { | |
1101 | const u16 mask = lg4ff_main_checklist[i]->mask; | |
1102 | const u16 result = lg4ff_main_checklist[i]->result; | |
1103 | const u16 real_product_id = lg4ff_main_checklist[i]->real_product_id; | |
e7c23449 | 1104 | |
bbec1bd0 SW |
1105 | if ((current_mode & lg4ff_main_checklist[i]->modes) && \ |
1106 | (bcdDevice & mask) == result) { | |
e7c23449 MM |
1107 | dbg_hid("Found wheel with real PID %X whose reported PID is %X\n", real_product_id, reported_product_id); |
1108 | return real_product_id; | |
1109 | } | |
1110 | } | |
1111 | ||
f31a2de3 MM |
1112 | /* No match found. This is either Driving Force or an unknown |
1113 | * wheel model, do not touch it */ | |
e7c23449 MM |
1114 | dbg_hid("Wheel with bcdDevice %X was not recognized as multimode wheel, leaving in its current mode\n", bcdDevice); |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | static int lg4ff_handle_multimode_wheel(struct hid_device *hid, u16 *real_product_id, const u16 bcdDevice) | |
1119 | { | |
1120 | const u16 reported_product_id = hid->product; | |
1121 | int ret; | |
1122 | ||
1123 | *real_product_id = lg4ff_identify_multimode_wheel(hid, reported_product_id, bcdDevice); | |
1124 | /* Probed wheel is not a multimode wheel */ | |
1125 | if (!*real_product_id) { | |
1126 | *real_product_id = reported_product_id; | |
1127 | dbg_hid("Wheel is not a multimode wheel\n"); | |
1128 | return LG4FF_MMODE_NOT_MULTIMODE; | |
1129 | } | |
1130 | ||
1131 | /* Switch from "Driving Force" mode to native mode automatically. | |
1132 | * Otherwise keep the wheel in its current mode */ | |
1133 | if (reported_product_id == USB_DEVICE_ID_LOGITECH_WHEEL && | |
a54dc779 MM |
1134 | reported_product_id != *real_product_id && |
1135 | !lg4ff_no_autoswitch) { | |
f31a2de3 | 1136 | const struct lg4ff_compat_mode_switch *s = lg4ff_get_mode_switch_command(*real_product_id, *real_product_id); |
e7c23449 | 1137 | |
f31a2de3 | 1138 | if (!s) { |
e7c23449 | 1139 | hid_err(hid, "Invalid product id %X\n", *real_product_id); |
b96d23ec | 1140 | return LG4FF_MMODE_NOT_MULTIMODE; |
e7c23449 MM |
1141 | } |
1142 | ||
1143 | ret = lg4ff_switch_compatibility_mode(hid, s); | |
1144 | if (ret) { | |
1145 | /* Wheel could not have been switched to native mode, | |
1146 | * leave it in "Driving Force" mode and continue */ | |
1147 | hid_err(hid, "Unable to switch wheel mode, errno %d\n", ret); | |
b96d23ec | 1148 | return LG4FF_MMODE_IS_MULTIMODE; |
e7c23449 MM |
1149 | } |
1150 | return LG4FF_MMODE_SWITCHED; | |
1151 | } | |
1152 | ||
b96d23ec | 1153 | return LG4FF_MMODE_IS_MULTIMODE; |
e7c23449 MM |
1154 | } |
1155 | ||
1156 | ||
32c88cbc SW |
1157 | int lg4ff_init(struct hid_device *hid) |
1158 | { | |
1159 | struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); | |
32c88cbc | 1160 | struct input_dev *dev = hidinput->input; |
c28abd8c MM |
1161 | struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; |
1162 | struct hid_report *report = list_entry(report_list->next, struct hid_report, list); | |
e7c23449 MM |
1163 | const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor); |
1164 | const u16 bcdDevice = le16_to_cpu(udesc->bcdDevice); | |
5d9d60ad | 1165 | const struct lg4ff_multimode_wheel *mmode_wheel = NULL; |
30bb75d7 | 1166 | struct lg4ff_device_entry *entry; |
3b6b17b7 | 1167 | struct lg_drv_data *drv_data; |
b96d23ec MM |
1168 | int error, i, j; |
1169 | int mmode_ret, mmode_idx = -1; | |
e7c23449 | 1170 | u16 real_product_id; |
32c88cbc | 1171 | |
32c88cbc | 1172 | /* Check that the report looks ok */ |
0fb6bd06 | 1173 | if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7)) |
32c88cbc | 1174 | return -1; |
30bb75d7 | 1175 | |
72529c65 MM |
1176 | drv_data = hid_get_drvdata(hid); |
1177 | if (!drv_data) { | |
1178 | hid_err(hid, "Cannot add device, private driver data not allocated\n"); | |
1179 | return -1; | |
1180 | } | |
1181 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); | |
1182 | if (!entry) | |
1183 | return -ENOMEM; | |
c918fe78 | 1184 | spin_lock_init(&entry->report_lock); |
c28abd8c | 1185 | entry->report = report; |
72529c65 MM |
1186 | drv_data->device_props = entry; |
1187 | ||
e7c23449 MM |
1188 | /* Check if a multimode wheel has been connected and |
1189 | * handle it appropriately */ | |
b96d23ec | 1190 | mmode_ret = lg4ff_handle_multimode_wheel(hid, &real_product_id, bcdDevice); |
e7c23449 MM |
1191 | |
1192 | /* Wheel has been told to switch to native mode. There is no point in going on | |
1193 | * with the initialization as the wheel will do a USB reset when it switches mode | |
1194 | */ | |
b96d23ec | 1195 | if (mmode_ret == LG4FF_MMODE_SWITCHED) |
e7c23449 | 1196 | return 0; |
72529c65 MM |
1197 | else if (mmode_ret < 0) { |
1198 | hid_err(hid, "Unable to switch device mode during initialization, errno %d\n", mmode_ret); | |
1199 | error = mmode_ret; | |
1200 | goto err_init; | |
1201 | } | |
e7c23449 | 1202 | |
7362cd22 MM |
1203 | /* Check what wheel has been connected */ |
1204 | for (i = 0; i < ARRAY_SIZE(lg4ff_devices); i++) { | |
1205 | if (hid->product == lg4ff_devices[i].product_id) { | |
1206 | dbg_hid("Found compatible device, product ID %04X\n", lg4ff_devices[i].product_id); | |
1207 | break; | |
1208 | } | |
1209 | } | |
1210 | ||
1211 | if (i == ARRAY_SIZE(lg4ff_devices)) { | |
9c2a6bd1 MM |
1212 | hid_err(hid, "This device is flagged to be handled by the lg4ff module but this module does not know how to handle it. " |
1213 | "Please report this as a bug to LKML, Simon Wood <simon@mungewell.org> or " | |
1214 | "Michal Maly <madcatxster@devoid-pointer.net>\n"); | |
72529c65 MM |
1215 | error = -1; |
1216 | goto err_init; | |
7362cd22 | 1217 | } |
32c88cbc | 1218 | |
b96d23ec MM |
1219 | if (mmode_ret == LG4FF_MMODE_IS_MULTIMODE) { |
1220 | for (mmode_idx = 0; mmode_idx < ARRAY_SIZE(lg4ff_multimode_wheels); mmode_idx++) { | |
1221 | if (real_product_id == lg4ff_multimode_wheels[mmode_idx].product_id) | |
1222 | break; | |
1223 | } | |
1224 | ||
1225 | if (mmode_idx == ARRAY_SIZE(lg4ff_multimode_wheels)) { | |
1226 | hid_err(hid, "Device product ID %X is not listed as a multimode wheel", real_product_id); | |
72529c65 MM |
1227 | error = -1; |
1228 | goto err_init; | |
b96d23ec MM |
1229 | } |
1230 | } | |
1231 | ||
7362cd22 MM |
1232 | /* Set supported force feedback capabilities */ |
1233 | for (j = 0; lg4ff_devices[i].ff_effects[j] >= 0; j++) | |
1234 | set_bit(lg4ff_devices[i].ff_effects[j], dev->ffbit); | |
32c88cbc | 1235 | |
d0afd848 | 1236 | error = input_ff_create_memless(dev, NULL, lg4ff_play); |
32c88cbc SW |
1237 | |
1238 | if (error) | |
72529c65 | 1239 | goto err_init; |
30bb75d7 | 1240 | |
5d9d60ad | 1241 | /* Initialize device properties */ |
b96d23ec MM |
1242 | if (mmode_ret == LG4FF_MMODE_IS_MULTIMODE) { |
1243 | BUG_ON(mmode_idx == -1); | |
5d9d60ad | 1244 | mmode_wheel = &lg4ff_multimode_wheels[mmode_idx]; |
b96d23ec | 1245 | } |
5d9d60ad | 1246 | lg4ff_init_wheel_data(&entry->wdata, &lg4ff_devices[i], mmode_wheel, real_product_id); |
30bb75d7 | 1247 | |
114a55cf SW |
1248 | /* Check if autocentering is available and |
1249 | * set the centering force to zero by default */ | |
1250 | if (test_bit(FF_AUTOCENTER, dev->ffbit)) { | |
e7c23449 MM |
1251 | /* Formula Force EX expects different autocentering command */ |
1252 | if ((bcdDevice >> 8) == LG4FF_FFEX_REV_MAJ && | |
1253 | (bcdDevice & 0xff) == LG4FF_FFEX_REV_MIN) | |
d0afd848 | 1254 | dev->ff->set_autocenter = lg4ff_set_autocenter_ffex; |
114a55cf | 1255 | else |
d0afd848 | 1256 | dev->ff->set_autocenter = lg4ff_set_autocenter_default; |
114a55cf SW |
1257 | |
1258 | dev->ff->set_autocenter(dev, 0); | |
1259 | } | |
1260 | ||
30bb75d7 MM |
1261 | /* Create sysfs interface */ |
1262 | error = device_create_file(&hid->dev, &dev_attr_range); | |
1263 | if (error) | |
d61a70ec | 1264 | hid_warn(hid, "Unable to create sysfs interface for \"range\", errno %d\n", error); |
b96d23ec MM |
1265 | if (mmode_ret == LG4FF_MMODE_IS_MULTIMODE) { |
1266 | error = device_create_file(&hid->dev, &dev_attr_real_id); | |
1267 | if (error) | |
d61a70ec | 1268 | hid_warn(hid, "Unable to create sysfs interface for \"real_id\", errno %d\n", error); |
b96d23ec MM |
1269 | error = device_create_file(&hid->dev, &dev_attr_alternate_modes); |
1270 | if (error) | |
d61a70ec | 1271 | hid_warn(hid, "Unable to create sysfs interface for \"alternate_modes\", errno %d\n", error); |
b96d23ec | 1272 | } |
30bb75d7 MM |
1273 | dbg_hid("sysfs interface created\n"); |
1274 | ||
1275 | /* Set the maximum range to start with */ | |
72529c65 MM |
1276 | entry->wdata.range = entry->wdata.max_range; |
1277 | if (entry->wdata.set_range) | |
1278 | entry->wdata.set_range(hid, entry->wdata.range); | |
30bb75d7 | 1279 | |
22bcefdc | 1280 | #ifdef CONFIG_LEDS_CLASS |
29fae1c8 | 1281 | /* register led subsystem - G27/G29 only */ |
72529c65 | 1282 | entry->wdata.led_state = 0; |
22bcefdc | 1283 | for (j = 0; j < 5; j++) |
72529c65 | 1284 | entry->wdata.led[j] = NULL; |
22bcefdc | 1285 | |
29fae1c8 SW |
1286 | if (lg4ff_devices[i].product_id == USB_DEVICE_ID_LOGITECH_G27_WHEEL || |
1287 | lg4ff_devices[i].product_id == USB_DEVICE_ID_LOGITECH_G29_WHEEL) { | |
22bcefdc SW |
1288 | struct led_classdev *led; |
1289 | size_t name_sz; | |
1290 | char *name; | |
1291 | ||
1292 | lg4ff_set_leds(hid, 0); | |
1293 | ||
1294 | name_sz = strlen(dev_name(&hid->dev)) + 8; | |
1295 | ||
1296 | for (j = 0; j < 5; j++) { | |
1297 | led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL); | |
1298 | if (!led) { | |
1299 | hid_err(hid, "can't allocate memory for LED %d\n", j); | |
72529c65 | 1300 | goto err_leds; |
22bcefdc SW |
1301 | } |
1302 | ||
1303 | name = (void *)(&led[1]); | |
1304 | snprintf(name, name_sz, "%s::RPM%d", dev_name(&hid->dev), j+1); | |
1305 | led->name = name; | |
1306 | led->brightness = 0; | |
1307 | led->max_brightness = 1; | |
1308 | led->brightness_get = lg4ff_led_get_brightness; | |
1309 | led->brightness_set = lg4ff_led_set_brightness; | |
1310 | ||
72529c65 | 1311 | entry->wdata.led[j] = led; |
22bcefdc SW |
1312 | error = led_classdev_register(&hid->dev, led); |
1313 | ||
1314 | if (error) { | |
1315 | hid_err(hid, "failed to register LED %d. Aborting.\n", j); | |
72529c65 | 1316 | err_leds: |
22bcefdc SW |
1317 | /* Deregister LEDs (if any) */ |
1318 | for (j = 0; j < 5; j++) { | |
72529c65 MM |
1319 | led = entry->wdata.led[j]; |
1320 | entry->wdata.led[j] = NULL; | |
22bcefdc SW |
1321 | if (!led) |
1322 | continue; | |
1323 | led_classdev_unregister(led); | |
1324 | kfree(led); | |
1325 | } | |
1326 | goto out; /* Let the driver continue without LEDs */ | |
1327 | } | |
1328 | } | |
1329 | } | |
22bcefdc | 1330 | out: |
c6e6dc87 | 1331 | #endif |
64013800 | 1332 | hid_info(hid, "Force feedback support for Logitech Gaming Wheels\n"); |
32c88cbc | 1333 | return 0; |
72529c65 MM |
1334 | |
1335 | err_init: | |
1336 | drv_data->device_props = NULL; | |
1337 | kfree(entry); | |
1338 | return error; | |
32c88cbc SW |
1339 | } |
1340 | ||
30bb75d7 MM |
1341 | int lg4ff_deinit(struct hid_device *hid) |
1342 | { | |
30bb75d7 | 1343 | struct lg4ff_device_entry *entry; |
3b6b17b7 MM |
1344 | struct lg_drv_data *drv_data; |
1345 | ||
3b6b17b7 MM |
1346 | drv_data = hid_get_drvdata(hid); |
1347 | if (!drv_data) { | |
1348 | hid_err(hid, "Error while deinitializing device, no private driver data.\n"); | |
1349 | return -1; | |
30bb75d7 | 1350 | } |
3b6b17b7 | 1351 | entry = drv_data->device_props; |
e7c23449 MM |
1352 | if (!entry) |
1353 | goto out; /* Nothing more to do */ | |
1354 | ||
b96d23ec | 1355 | /* Multimode devices will have at least the "MODE_NATIVE" bit set */ |
72529c65 | 1356 | if (entry->wdata.alternate_modes) { |
b96d23ec MM |
1357 | device_remove_file(&hid->dev, &dev_attr_real_id); |
1358 | device_remove_file(&hid->dev, &dev_attr_alternate_modes); | |
1359 | } | |
1360 | ||
72529c65 | 1361 | device_remove_file(&hid->dev, &dev_attr_range); |
22bcefdc SW |
1362 | #ifdef CONFIG_LEDS_CLASS |
1363 | { | |
1364 | int j; | |
1365 | struct led_classdev *led; | |
1366 | ||
1367 | /* Deregister LEDs (if any) */ | |
1368 | for (j = 0; j < 5; j++) { | |
1369 | ||
72529c65 MM |
1370 | led = entry->wdata.led[j]; |
1371 | entry->wdata.led[j] = NULL; | |
22bcefdc SW |
1372 | if (!led) |
1373 | continue; | |
1374 | led_classdev_unregister(led); | |
1375 | kfree(led); | |
1376 | } | |
1377 | } | |
1378 | #endif | |
b211a638 MM |
1379 | hid_hw_stop(hid); |
1380 | drv_data->device_props = NULL; | |
22bcefdc | 1381 | |
3b6b17b7 | 1382 | kfree(entry); |
e7c23449 | 1383 | out: |
30bb75d7 MM |
1384 | dbg_hid("Device successfully unregistered\n"); |
1385 | return 0; | |
1386 | } |