Commit | Line | Data |
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2f31c525 BT |
1 | /* |
2 | * HIDPP protocol for Logitech Unifying receivers | |
3 | * | |
4 | * Copyright (c) 2011 Logitech (c) | |
5 | * Copyright (c) 2012-2013 Google (c) | |
6 | * Copyright (c) 2013-2014 Red Hat Inc. | |
7 | */ | |
8 | ||
9 | /* | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the Free | |
12 | * Software Foundation; version 2 of the License. | |
13 | */ | |
14 | ||
15 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
16 | ||
17 | #include <linux/device.h> | |
ff21a635 EV |
18 | #include <linux/input.h> |
19 | #include <linux/usb.h> | |
2f31c525 BT |
20 | #include <linux/hid.h> |
21 | #include <linux/module.h> | |
22 | #include <linux/slab.h> | |
23 | #include <linux/sched.h> | |
24 | #include <linux/kfifo.h> | |
25 | #include <linux/input/mt.h> | |
ff21a635 EV |
26 | #include <linux/workqueue.h> |
27 | #include <linux/atomic.h> | |
28 | #include <linux/fixp-arith.h> | |
2f31c525 | 29 | #include <asm/unaligned.h> |
ff21a635 | 30 | #include "usbhid/usbhid.h" |
2f31c525 BT |
31 | #include "hid-ids.h" |
32 | ||
33 | MODULE_LICENSE("GPL"); | |
34 | MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); | |
35 | MODULE_AUTHOR("Nestor Lopez Casado <nlopezcasad@logitech.com>"); | |
36 | ||
9188dbae BT |
37 | static bool disable_raw_mode; |
38 | module_param(disable_raw_mode, bool, 0644); | |
39 | MODULE_PARM_DESC(disable_raw_mode, | |
40 | "Disable Raw mode reporting for touchpads and keep firmware gestures."); | |
41 | ||
90cdd986 BT |
42 | static bool disable_tap_to_click; |
43 | module_param(disable_tap_to_click, bool, 0644); | |
44 | MODULE_PARM_DESC(disable_tap_to_click, | |
45 | "Disable Tap-To-Click mode reporting for touchpads (only on the K400 currently)."); | |
46 | ||
2f31c525 BT |
47 | #define REPORT_ID_HIDPP_SHORT 0x10 |
48 | #define REPORT_ID_HIDPP_LONG 0x11 | |
a5ce8f5b | 49 | #define REPORT_ID_HIDPP_VERY_LONG 0x12 |
2f31c525 BT |
50 | |
51 | #define HIDPP_REPORT_SHORT_LENGTH 7 | |
52 | #define HIDPP_REPORT_LONG_LENGTH 20 | |
a5ce8f5b | 53 | #define HIDPP_REPORT_VERY_LONG_LENGTH 64 |
2f31c525 BT |
54 | |
55 | #define HIDPP_QUIRK_CLASS_WTP BIT(0) | |
8a09b4fa | 56 | #define HIDPP_QUIRK_CLASS_M560 BIT(1) |
90cdd986 | 57 | #define HIDPP_QUIRK_CLASS_K400 BIT(2) |
7bfd2927 | 58 | #define HIDPP_QUIRK_CLASS_G920 BIT(3) |
2f31c525 | 59 | |
8a09b4fa | 60 | /* bits 2..20 are reserved for classes */ |
580a7e82 | 61 | #define HIDPP_QUIRK_CONNECT_EVENTS BIT(21) |
57ac86cf | 62 | #define HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS BIT(22) |
580a7e82 | 63 | #define HIDPP_QUIRK_NO_HIDINPUT BIT(23) |
7bfd2927 | 64 | #define HIDPP_QUIRK_FORCE_OUTPUT_REPORTS BIT(24) |
580a7e82 BT |
65 | |
66 | #define HIDPP_QUIRK_DELAYED_INIT (HIDPP_QUIRK_NO_HIDINPUT | \ | |
67 | HIDPP_QUIRK_CONNECT_EVENTS) | |
c39e3d5f | 68 | |
2f31c525 BT |
69 | /* |
70 | * There are two hidpp protocols in use, the first version hidpp10 is known | |
71 | * as register access protocol or RAP, the second version hidpp20 is known as | |
72 | * feature access protocol or FAP | |
73 | * | |
74 | * Most older devices (including the Unifying usb receiver) use the RAP protocol | |
75 | * where as most newer devices use the FAP protocol. Both protocols are | |
76 | * compatible with the underlying transport, which could be usb, Unifiying, or | |
77 | * bluetooth. The message lengths are defined by the hid vendor specific report | |
78 | * descriptor for the HIDPP_SHORT report type (total message lenth 7 bytes) and | |
79 | * the HIDPP_LONG report type (total message length 20 bytes) | |
80 | * | |
81 | * The RAP protocol uses both report types, whereas the FAP only uses HIDPP_LONG | |
82 | * messages. The Unifying receiver itself responds to RAP messages (device index | |
83 | * is 0xFF for the receiver), and all messages (short or long) with a device | |
84 | * index between 1 and 6 are passed untouched to the corresponding paired | |
85 | * Unifying device. | |
86 | * | |
87 | * The paired device can be RAP or FAP, it will receive the message untouched | |
88 | * from the Unifiying receiver. | |
89 | */ | |
90 | ||
91 | struct fap { | |
92 | u8 feature_index; | |
93 | u8 funcindex_clientid; | |
a5ce8f5b | 94 | u8 params[HIDPP_REPORT_VERY_LONG_LENGTH - 4U]; |
2f31c525 BT |
95 | }; |
96 | ||
97 | struct rap { | |
98 | u8 sub_id; | |
99 | u8 reg_address; | |
a5ce8f5b | 100 | u8 params[HIDPP_REPORT_VERY_LONG_LENGTH - 4U]; |
2f31c525 BT |
101 | }; |
102 | ||
103 | struct hidpp_report { | |
104 | u8 report_id; | |
105 | u8 device_index; | |
106 | union { | |
107 | struct fap fap; | |
108 | struct rap rap; | |
109 | u8 rawbytes[sizeof(struct fap)]; | |
110 | }; | |
111 | } __packed; | |
112 | ||
113 | struct hidpp_device { | |
114 | struct hid_device *hid_dev; | |
115 | struct mutex send_mutex; | |
116 | void *send_receive_buf; | |
005b3f57 | 117 | char *name; /* will never be NULL and should not be freed */ |
2f31c525 BT |
118 | wait_queue_head_t wait; |
119 | bool answer_available; | |
120 | u8 protocol_major; | |
121 | u8 protocol_minor; | |
122 | ||
123 | void *private_data; | |
124 | ||
c39e3d5f BT |
125 | struct work_struct work; |
126 | struct kfifo delayed_work_fifo; | |
127 | atomic_t connected; | |
128 | struct input_dev *delayed_input; | |
129 | ||
2f31c525 BT |
130 | unsigned long quirks; |
131 | }; | |
132 | ||
133 | ||
f677bb15 | 134 | /* HID++ 1.0 error codes */ |
2f31c525 BT |
135 | #define HIDPP_ERROR 0x8f |
136 | #define HIDPP_ERROR_SUCCESS 0x00 | |
137 | #define HIDPP_ERROR_INVALID_SUBID 0x01 | |
138 | #define HIDPP_ERROR_INVALID_ADRESS 0x02 | |
139 | #define HIDPP_ERROR_INVALID_VALUE 0x03 | |
140 | #define HIDPP_ERROR_CONNECT_FAIL 0x04 | |
141 | #define HIDPP_ERROR_TOO_MANY_DEVICES 0x05 | |
142 | #define HIDPP_ERROR_ALREADY_EXISTS 0x06 | |
143 | #define HIDPP_ERROR_BUSY 0x07 | |
144 | #define HIDPP_ERROR_UNKNOWN_DEVICE 0x08 | |
145 | #define HIDPP_ERROR_RESOURCE_ERROR 0x09 | |
146 | #define HIDPP_ERROR_REQUEST_UNAVAILABLE 0x0a | |
147 | #define HIDPP_ERROR_INVALID_PARAM_VALUE 0x0b | |
148 | #define HIDPP_ERROR_WRONG_PIN_CODE 0x0c | |
f677bb15 PW |
149 | /* HID++ 2.0 error codes */ |
150 | #define HIDPP20_ERROR 0xff | |
2f31c525 | 151 | |
c39e3d5f BT |
152 | static void hidpp_connect_event(struct hidpp_device *hidpp_dev); |
153 | ||
2f31c525 BT |
154 | static int __hidpp_send_report(struct hid_device *hdev, |
155 | struct hidpp_report *hidpp_report) | |
156 | { | |
7bfd2927 | 157 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); |
2f31c525 BT |
158 | int fields_count, ret; |
159 | ||
7bfd2927 SW |
160 | hidpp = hid_get_drvdata(hdev); |
161 | ||
2f31c525 BT |
162 | switch (hidpp_report->report_id) { |
163 | case REPORT_ID_HIDPP_SHORT: | |
164 | fields_count = HIDPP_REPORT_SHORT_LENGTH; | |
165 | break; | |
166 | case REPORT_ID_HIDPP_LONG: | |
167 | fields_count = HIDPP_REPORT_LONG_LENGTH; | |
168 | break; | |
a5ce8f5b SW |
169 | case REPORT_ID_HIDPP_VERY_LONG: |
170 | fields_count = HIDPP_REPORT_VERY_LONG_LENGTH; | |
171 | break; | |
2f31c525 BT |
172 | default: |
173 | return -ENODEV; | |
174 | } | |
175 | ||
176 | /* | |
177 | * set the device_index as the receiver, it will be overwritten by | |
178 | * hid_hw_request if needed | |
179 | */ | |
180 | hidpp_report->device_index = 0xff; | |
181 | ||
7bfd2927 SW |
182 | if (hidpp->quirks & HIDPP_QUIRK_FORCE_OUTPUT_REPORTS) { |
183 | ret = hid_hw_output_report(hdev, (u8 *)hidpp_report, fields_count); | |
184 | } else { | |
185 | ret = hid_hw_raw_request(hdev, hidpp_report->report_id, | |
186 | (u8 *)hidpp_report, fields_count, HID_OUTPUT_REPORT, | |
187 | HID_REQ_SET_REPORT); | |
188 | } | |
2f31c525 BT |
189 | |
190 | return ret == fields_count ? 0 : -1; | |
191 | } | |
192 | ||
8c9952b2 BT |
193 | /** |
194 | * hidpp_send_message_sync() returns 0 in case of success, and something else | |
195 | * in case of a failure. | |
196 | * - If ' something else' is positive, that means that an error has been raised | |
197 | * by the protocol itself. | |
198 | * - If ' something else' is negative, that means that we had a classic error | |
199 | * (-ENOMEM, -EPIPE, etc...) | |
200 | */ | |
2f31c525 BT |
201 | static int hidpp_send_message_sync(struct hidpp_device *hidpp, |
202 | struct hidpp_report *message, | |
203 | struct hidpp_report *response) | |
204 | { | |
205 | int ret; | |
206 | ||
207 | mutex_lock(&hidpp->send_mutex); | |
208 | ||
209 | hidpp->send_receive_buf = response; | |
210 | hidpp->answer_available = false; | |
211 | ||
212 | /* | |
213 | * So that we can later validate the answer when it arrives | |
214 | * in hidpp_raw_event | |
215 | */ | |
216 | *response = *message; | |
217 | ||
218 | ret = __hidpp_send_report(hidpp->hid_dev, message); | |
219 | ||
220 | if (ret) { | |
221 | dbg_hid("__hidpp_send_report returned err: %d\n", ret); | |
222 | memset(response, 0, sizeof(struct hidpp_report)); | |
223 | goto exit; | |
224 | } | |
225 | ||
226 | if (!wait_event_timeout(hidpp->wait, hidpp->answer_available, | |
227 | 5*HZ)) { | |
228 | dbg_hid("%s:timeout waiting for response\n", __func__); | |
229 | memset(response, 0, sizeof(struct hidpp_report)); | |
230 | ret = -ETIMEDOUT; | |
231 | } | |
232 | ||
233 | if (response->report_id == REPORT_ID_HIDPP_SHORT && | |
f677bb15 PW |
234 | response->rap.sub_id == HIDPP_ERROR) { |
235 | ret = response->rap.params[1]; | |
236 | dbg_hid("%s:got hidpp error %02X\n", __func__, ret); | |
237 | goto exit; | |
238 | } | |
239 | ||
a5ce8f5b SW |
240 | if ((response->report_id == REPORT_ID_HIDPP_LONG || |
241 | response->report_id == REPORT_ID_HIDPP_VERY_LONG) && | |
242 | response->fap.feature_index == HIDPP20_ERROR) { | |
2f31c525 | 243 | ret = response->fap.params[1]; |
f677bb15 | 244 | dbg_hid("%s:got hidpp 2.0 error %02X\n", __func__, ret); |
2f31c525 BT |
245 | goto exit; |
246 | } | |
247 | ||
248 | exit: | |
249 | mutex_unlock(&hidpp->send_mutex); | |
250 | return ret; | |
251 | ||
252 | } | |
253 | ||
254 | static int hidpp_send_fap_command_sync(struct hidpp_device *hidpp, | |
255 | u8 feat_index, u8 funcindex_clientid, u8 *params, int param_count, | |
256 | struct hidpp_report *response) | |
257 | { | |
3e7830ce | 258 | struct hidpp_report *message; |
2f31c525 BT |
259 | int ret; |
260 | ||
261 | if (param_count > sizeof(message->fap.params)) | |
262 | return -EINVAL; | |
263 | ||
3e7830ce DC |
264 | message = kzalloc(sizeof(struct hidpp_report), GFP_KERNEL); |
265 | if (!message) | |
266 | return -ENOMEM; | |
a5ce8f5b SW |
267 | |
268 | if (param_count > (HIDPP_REPORT_LONG_LENGTH - 4)) | |
269 | message->report_id = REPORT_ID_HIDPP_VERY_LONG; | |
270 | else | |
271 | message->report_id = REPORT_ID_HIDPP_LONG; | |
2f31c525 BT |
272 | message->fap.feature_index = feat_index; |
273 | message->fap.funcindex_clientid = funcindex_clientid; | |
274 | memcpy(&message->fap.params, params, param_count); | |
275 | ||
276 | ret = hidpp_send_message_sync(hidpp, message, response); | |
277 | kfree(message); | |
278 | return ret; | |
279 | } | |
280 | ||
33797820 BT |
281 | static int hidpp_send_rap_command_sync(struct hidpp_device *hidpp_dev, |
282 | u8 report_id, u8 sub_id, u8 reg_address, u8 *params, int param_count, | |
283 | struct hidpp_report *response) | |
284 | { | |
3e7830ce | 285 | struct hidpp_report *message; |
a5ce8f5b | 286 | int ret, max_count; |
33797820 | 287 | |
a5ce8f5b SW |
288 | switch (report_id) { |
289 | case REPORT_ID_HIDPP_SHORT: | |
290 | max_count = HIDPP_REPORT_SHORT_LENGTH - 4; | |
291 | break; | |
292 | case REPORT_ID_HIDPP_LONG: | |
293 | max_count = HIDPP_REPORT_LONG_LENGTH - 4; | |
294 | break; | |
295 | case REPORT_ID_HIDPP_VERY_LONG: | |
296 | max_count = HIDPP_REPORT_VERY_LONG_LENGTH - 4; | |
297 | break; | |
298 | default: | |
33797820 | 299 | return -EINVAL; |
a5ce8f5b | 300 | } |
33797820 | 301 | |
a5ce8f5b | 302 | if (param_count > max_count) |
33797820 BT |
303 | return -EINVAL; |
304 | ||
3e7830ce DC |
305 | message = kzalloc(sizeof(struct hidpp_report), GFP_KERNEL); |
306 | if (!message) | |
307 | return -ENOMEM; | |
33797820 BT |
308 | message->report_id = report_id; |
309 | message->rap.sub_id = sub_id; | |
310 | message->rap.reg_address = reg_address; | |
311 | memcpy(&message->rap.params, params, param_count); | |
312 | ||
313 | ret = hidpp_send_message_sync(hidpp_dev, message, response); | |
314 | kfree(message); | |
315 | return ret; | |
316 | } | |
317 | ||
c39e3d5f BT |
318 | static void delayed_work_cb(struct work_struct *work) |
319 | { | |
320 | struct hidpp_device *hidpp = container_of(work, struct hidpp_device, | |
321 | work); | |
322 | hidpp_connect_event(hidpp); | |
323 | } | |
324 | ||
2f31c525 BT |
325 | static inline bool hidpp_match_answer(struct hidpp_report *question, |
326 | struct hidpp_report *answer) | |
327 | { | |
328 | return (answer->fap.feature_index == question->fap.feature_index) && | |
329 | (answer->fap.funcindex_clientid == question->fap.funcindex_clientid); | |
330 | } | |
331 | ||
332 | static inline bool hidpp_match_error(struct hidpp_report *question, | |
333 | struct hidpp_report *answer) | |
334 | { | |
f677bb15 PW |
335 | return ((answer->rap.sub_id == HIDPP_ERROR) || |
336 | (answer->fap.feature_index == HIDPP20_ERROR)) && | |
2f31c525 BT |
337 | (answer->fap.funcindex_clientid == question->fap.feature_index) && |
338 | (answer->fap.params[0] == question->fap.funcindex_clientid); | |
339 | } | |
340 | ||
c39e3d5f BT |
341 | static inline bool hidpp_report_is_connect_event(struct hidpp_report *report) |
342 | { | |
343 | return (report->report_id == REPORT_ID_HIDPP_SHORT) && | |
344 | (report->rap.sub_id == 0x41); | |
345 | } | |
346 | ||
a0e625f8 BT |
347 | /** |
348 | * hidpp_prefix_name() prefixes the current given name with "Logitech ". | |
349 | */ | |
350 | static void hidpp_prefix_name(char **name, int name_length) | |
351 | { | |
352 | #define PREFIX_LENGTH 9 /* "Logitech " */ | |
353 | ||
354 | int new_length; | |
355 | char *new_name; | |
356 | ||
357 | if (name_length > PREFIX_LENGTH && | |
358 | strncmp(*name, "Logitech ", PREFIX_LENGTH) == 0) | |
359 | /* The prefix has is already in the name */ | |
360 | return; | |
361 | ||
362 | new_length = PREFIX_LENGTH + name_length; | |
363 | new_name = kzalloc(new_length, GFP_KERNEL); | |
364 | if (!new_name) | |
365 | return; | |
366 | ||
367 | snprintf(new_name, new_length, "Logitech %s", *name); | |
368 | ||
369 | kfree(*name); | |
370 | ||
371 | *name = new_name; | |
372 | } | |
373 | ||
33797820 BT |
374 | /* -------------------------------------------------------------------------- */ |
375 | /* HIDP++ 1.0 commands */ | |
376 | /* -------------------------------------------------------------------------- */ | |
377 | ||
378 | #define HIDPP_SET_REGISTER 0x80 | |
379 | #define HIDPP_GET_REGISTER 0x81 | |
380 | #define HIDPP_SET_LONG_REGISTER 0x82 | |
381 | #define HIDPP_GET_LONG_REGISTER 0x83 | |
382 | ||
383 | #define HIDPP_REG_PAIRING_INFORMATION 0xB5 | |
384 | #define DEVICE_NAME 0x40 | |
385 | ||
386 | static char *hidpp_get_unifying_name(struct hidpp_device *hidpp_dev) | |
387 | { | |
388 | struct hidpp_report response; | |
389 | int ret; | |
390 | /* hid-logitech-dj is in charge of setting the right device index */ | |
391 | u8 params[1] = { DEVICE_NAME }; | |
392 | char *name; | |
393 | int len; | |
394 | ||
395 | ret = hidpp_send_rap_command_sync(hidpp_dev, | |
396 | REPORT_ID_HIDPP_SHORT, | |
397 | HIDPP_GET_LONG_REGISTER, | |
398 | HIDPP_REG_PAIRING_INFORMATION, | |
399 | params, 1, &response); | |
400 | if (ret) | |
401 | return NULL; | |
402 | ||
403 | len = response.rap.params[1]; | |
404 | ||
3a034a7a PW |
405 | if (2 + len > sizeof(response.rap.params)) |
406 | return NULL; | |
407 | ||
33797820 BT |
408 | name = kzalloc(len + 1, GFP_KERNEL); |
409 | if (!name) | |
410 | return NULL; | |
411 | ||
412 | memcpy(name, &response.rap.params[2], len); | |
a0e625f8 BT |
413 | |
414 | /* include the terminating '\0' */ | |
415 | hidpp_prefix_name(&name, len + 1); | |
416 | ||
33797820 BT |
417 | return name; |
418 | } | |
419 | ||
2f31c525 BT |
420 | /* -------------------------------------------------------------------------- */ |
421 | /* 0x0000: Root */ | |
422 | /* -------------------------------------------------------------------------- */ | |
423 | ||
424 | #define HIDPP_PAGE_ROOT 0x0000 | |
425 | #define HIDPP_PAGE_ROOT_IDX 0x00 | |
426 | ||
427 | #define CMD_ROOT_GET_FEATURE 0x01 | |
428 | #define CMD_ROOT_GET_PROTOCOL_VERSION 0x11 | |
429 | ||
430 | static int hidpp_root_get_feature(struct hidpp_device *hidpp, u16 feature, | |
431 | u8 *feature_index, u8 *feature_type) | |
432 | { | |
433 | struct hidpp_report response; | |
434 | int ret; | |
435 | u8 params[2] = { feature >> 8, feature & 0x00FF }; | |
436 | ||
437 | ret = hidpp_send_fap_command_sync(hidpp, | |
438 | HIDPP_PAGE_ROOT_IDX, | |
439 | CMD_ROOT_GET_FEATURE, | |
440 | params, 2, &response); | |
441 | if (ret) | |
442 | return ret; | |
443 | ||
444 | *feature_index = response.fap.params[0]; | |
445 | *feature_type = response.fap.params[1]; | |
446 | ||
447 | return ret; | |
448 | } | |
449 | ||
450 | static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp) | |
451 | { | |
452 | struct hidpp_report response; | |
453 | int ret; | |
454 | ||
455 | ret = hidpp_send_fap_command_sync(hidpp, | |
456 | HIDPP_PAGE_ROOT_IDX, | |
457 | CMD_ROOT_GET_PROTOCOL_VERSION, | |
458 | NULL, 0, &response); | |
459 | ||
552f12eb | 460 | if (ret == HIDPP_ERROR_INVALID_SUBID) { |
2f31c525 BT |
461 | hidpp->protocol_major = 1; |
462 | hidpp->protocol_minor = 0; | |
463 | return 0; | |
464 | } | |
465 | ||
552f12eb BT |
466 | /* the device might not be connected */ |
467 | if (ret == HIDPP_ERROR_RESOURCE_ERROR) | |
468 | return -EIO; | |
469 | ||
8c9952b2 BT |
470 | if (ret > 0) { |
471 | hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n", | |
472 | __func__, ret); | |
473 | return -EPROTO; | |
474 | } | |
2f31c525 | 475 | if (ret) |
8c9952b2 | 476 | return ret; |
2f31c525 BT |
477 | |
478 | hidpp->protocol_major = response.fap.params[0]; | |
479 | hidpp->protocol_minor = response.fap.params[1]; | |
480 | ||
481 | return ret; | |
482 | } | |
483 | ||
484 | static bool hidpp_is_connected(struct hidpp_device *hidpp) | |
485 | { | |
486 | int ret; | |
487 | ||
488 | ret = hidpp_root_get_protocol_version(hidpp); | |
489 | if (!ret) | |
490 | hid_dbg(hidpp->hid_dev, "HID++ %u.%u device connected.\n", | |
491 | hidpp->protocol_major, hidpp->protocol_minor); | |
492 | return ret == 0; | |
493 | } | |
494 | ||
495 | /* -------------------------------------------------------------------------- */ | |
496 | /* 0x0005: GetDeviceNameType */ | |
497 | /* -------------------------------------------------------------------------- */ | |
498 | ||
499 | #define HIDPP_PAGE_GET_DEVICE_NAME_TYPE 0x0005 | |
500 | ||
501 | #define CMD_GET_DEVICE_NAME_TYPE_GET_COUNT 0x01 | |
502 | #define CMD_GET_DEVICE_NAME_TYPE_GET_DEVICE_NAME 0x11 | |
503 | #define CMD_GET_DEVICE_NAME_TYPE_GET_TYPE 0x21 | |
504 | ||
505 | static int hidpp_devicenametype_get_count(struct hidpp_device *hidpp, | |
506 | u8 feature_index, u8 *nameLength) | |
507 | { | |
508 | struct hidpp_report response; | |
509 | int ret; | |
510 | ||
511 | ret = hidpp_send_fap_command_sync(hidpp, feature_index, | |
512 | CMD_GET_DEVICE_NAME_TYPE_GET_COUNT, NULL, 0, &response); | |
513 | ||
8c9952b2 BT |
514 | if (ret > 0) { |
515 | hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n", | |
516 | __func__, ret); | |
517 | return -EPROTO; | |
518 | } | |
2f31c525 | 519 | if (ret) |
8c9952b2 | 520 | return ret; |
2f31c525 BT |
521 | |
522 | *nameLength = response.fap.params[0]; | |
523 | ||
524 | return ret; | |
525 | } | |
526 | ||
527 | static int hidpp_devicenametype_get_device_name(struct hidpp_device *hidpp, | |
528 | u8 feature_index, u8 char_index, char *device_name, int len_buf) | |
529 | { | |
530 | struct hidpp_report response; | |
531 | int ret, i; | |
532 | int count; | |
533 | ||
534 | ret = hidpp_send_fap_command_sync(hidpp, feature_index, | |
535 | CMD_GET_DEVICE_NAME_TYPE_GET_DEVICE_NAME, &char_index, 1, | |
536 | &response); | |
537 | ||
8c9952b2 BT |
538 | if (ret > 0) { |
539 | hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n", | |
540 | __func__, ret); | |
541 | return -EPROTO; | |
542 | } | |
2f31c525 | 543 | if (ret) |
8c9952b2 | 544 | return ret; |
2f31c525 | 545 | |
a5ce8f5b SW |
546 | switch (response.report_id) { |
547 | case REPORT_ID_HIDPP_VERY_LONG: | |
548 | count = HIDPP_REPORT_VERY_LONG_LENGTH - 4; | |
549 | break; | |
550 | case REPORT_ID_HIDPP_LONG: | |
2f31c525 | 551 | count = HIDPP_REPORT_LONG_LENGTH - 4; |
a5ce8f5b SW |
552 | break; |
553 | case REPORT_ID_HIDPP_SHORT: | |
2f31c525 | 554 | count = HIDPP_REPORT_SHORT_LENGTH - 4; |
a5ce8f5b SW |
555 | break; |
556 | default: | |
557 | return -EPROTO; | |
558 | } | |
2f31c525 BT |
559 | |
560 | if (len_buf < count) | |
561 | count = len_buf; | |
562 | ||
563 | for (i = 0; i < count; i++) | |
564 | device_name[i] = response.fap.params[i]; | |
565 | ||
566 | return count; | |
567 | } | |
568 | ||
02cc097e | 569 | static char *hidpp_get_device_name(struct hidpp_device *hidpp) |
2f31c525 BT |
570 | { |
571 | u8 feature_type; | |
572 | u8 feature_index; | |
573 | u8 __name_length; | |
574 | char *name; | |
575 | unsigned index = 0; | |
576 | int ret; | |
577 | ||
578 | ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_GET_DEVICE_NAME_TYPE, | |
579 | &feature_index, &feature_type); | |
580 | if (ret) | |
02cc097e | 581 | return NULL; |
2f31c525 BT |
582 | |
583 | ret = hidpp_devicenametype_get_count(hidpp, feature_index, | |
584 | &__name_length); | |
585 | if (ret) | |
02cc097e | 586 | return NULL; |
2f31c525 BT |
587 | |
588 | name = kzalloc(__name_length + 1, GFP_KERNEL); | |
589 | if (!name) | |
02cc097e | 590 | return NULL; |
2f31c525 | 591 | |
1430ee73 PW |
592 | while (index < __name_length) { |
593 | ret = hidpp_devicenametype_get_device_name(hidpp, | |
2f31c525 BT |
594 | feature_index, index, name + index, |
595 | __name_length - index); | |
1430ee73 PW |
596 | if (ret <= 0) { |
597 | kfree(name); | |
598 | return NULL; | |
599 | } | |
600 | index += ret; | |
601 | } | |
2f31c525 | 602 | |
a0e625f8 BT |
603 | /* include the terminating '\0' */ |
604 | hidpp_prefix_name(&name, __name_length + 1); | |
605 | ||
2f31c525 | 606 | return name; |
2f31c525 BT |
607 | } |
608 | ||
90cdd986 BT |
609 | /* -------------------------------------------------------------------------- */ |
610 | /* 0x6010: Touchpad FW items */ | |
611 | /* -------------------------------------------------------------------------- */ | |
612 | ||
613 | #define HIDPP_PAGE_TOUCHPAD_FW_ITEMS 0x6010 | |
614 | ||
615 | #define CMD_TOUCHPAD_FW_ITEMS_SET 0x10 | |
616 | ||
617 | struct hidpp_touchpad_fw_items { | |
618 | uint8_t presence; | |
619 | uint8_t desired_state; | |
620 | uint8_t state; | |
621 | uint8_t persistent; | |
622 | }; | |
623 | ||
624 | /** | |
625 | * send a set state command to the device by reading the current items->state | |
626 | * field. items is then filled with the current state. | |
627 | */ | |
628 | static int hidpp_touchpad_fw_items_set(struct hidpp_device *hidpp, | |
629 | u8 feature_index, | |
630 | struct hidpp_touchpad_fw_items *items) | |
631 | { | |
632 | struct hidpp_report response; | |
633 | int ret; | |
634 | u8 *params = (u8 *)response.fap.params; | |
635 | ||
636 | ret = hidpp_send_fap_command_sync(hidpp, feature_index, | |
637 | CMD_TOUCHPAD_FW_ITEMS_SET, &items->state, 1, &response); | |
638 | ||
639 | if (ret > 0) { | |
640 | hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n", | |
641 | __func__, ret); | |
642 | return -EPROTO; | |
643 | } | |
644 | if (ret) | |
645 | return ret; | |
646 | ||
647 | items->presence = params[0]; | |
648 | items->desired_state = params[1]; | |
649 | items->state = params[2]; | |
650 | items->persistent = params[3]; | |
651 | ||
652 | return 0; | |
653 | } | |
654 | ||
2f31c525 BT |
655 | /* -------------------------------------------------------------------------- */ |
656 | /* 0x6100: TouchPadRawXY */ | |
657 | /* -------------------------------------------------------------------------- */ | |
658 | ||
659 | #define HIDPP_PAGE_TOUCHPAD_RAW_XY 0x6100 | |
660 | ||
661 | #define CMD_TOUCHPAD_GET_RAW_INFO 0x01 | |
586bdc4e BT |
662 | #define CMD_TOUCHPAD_SET_RAW_REPORT_STATE 0x21 |
663 | ||
664 | #define EVENT_TOUCHPAD_RAW_XY 0x00 | |
2f31c525 BT |
665 | |
666 | #define TOUCHPAD_RAW_XY_ORIGIN_LOWER_LEFT 0x01 | |
667 | #define TOUCHPAD_RAW_XY_ORIGIN_UPPER_LEFT 0x03 | |
668 | ||
669 | struct hidpp_touchpad_raw_info { | |
670 | u16 x_size; | |
671 | u16 y_size; | |
672 | u8 z_range; | |
673 | u8 area_range; | |
674 | u8 timestamp_unit; | |
675 | u8 maxcontacts; | |
676 | u8 origin; | |
677 | u16 res; | |
678 | }; | |
679 | ||
680 | struct hidpp_touchpad_raw_xy_finger { | |
681 | u8 contact_type; | |
682 | u8 contact_status; | |
683 | u16 x; | |
684 | u16 y; | |
685 | u8 z; | |
686 | u8 area; | |
687 | u8 finger_id; | |
688 | }; | |
689 | ||
690 | struct hidpp_touchpad_raw_xy { | |
691 | u16 timestamp; | |
692 | struct hidpp_touchpad_raw_xy_finger fingers[2]; | |
693 | u8 spurious_flag; | |
694 | u8 end_of_frame; | |
695 | u8 finger_count; | |
696 | u8 button; | |
697 | }; | |
698 | ||
699 | static int hidpp_touchpad_get_raw_info(struct hidpp_device *hidpp, | |
700 | u8 feature_index, struct hidpp_touchpad_raw_info *raw_info) | |
701 | { | |
702 | struct hidpp_report response; | |
703 | int ret; | |
704 | u8 *params = (u8 *)response.fap.params; | |
705 | ||
706 | ret = hidpp_send_fap_command_sync(hidpp, feature_index, | |
707 | CMD_TOUCHPAD_GET_RAW_INFO, NULL, 0, &response); | |
708 | ||
8c9952b2 BT |
709 | if (ret > 0) { |
710 | hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n", | |
711 | __func__, ret); | |
712 | return -EPROTO; | |
713 | } | |
2f31c525 | 714 | if (ret) |
8c9952b2 | 715 | return ret; |
2f31c525 BT |
716 | |
717 | raw_info->x_size = get_unaligned_be16(¶ms[0]); | |
718 | raw_info->y_size = get_unaligned_be16(¶ms[2]); | |
719 | raw_info->z_range = params[4]; | |
720 | raw_info->area_range = params[5]; | |
721 | raw_info->maxcontacts = params[7]; | |
722 | raw_info->origin = params[8]; | |
723 | /* res is given in unit per inch */ | |
724 | raw_info->res = get_unaligned_be16(¶ms[13]) * 2 / 51; | |
725 | ||
726 | return ret; | |
727 | } | |
728 | ||
586bdc4e BT |
729 | static int hidpp_touchpad_set_raw_report_state(struct hidpp_device *hidpp_dev, |
730 | u8 feature_index, bool send_raw_reports, | |
731 | bool sensor_enhanced_settings) | |
732 | { | |
733 | struct hidpp_report response; | |
734 | ||
735 | /* | |
736 | * Params: | |
737 | * bit 0 - enable raw | |
738 | * bit 1 - 16bit Z, no area | |
739 | * bit 2 - enhanced sensitivity | |
740 | * bit 3 - width, height (4 bits each) instead of area | |
741 | * bit 4 - send raw + gestures (degrades smoothness) | |
742 | * remaining bits - reserved | |
743 | */ | |
744 | u8 params = send_raw_reports | (sensor_enhanced_settings << 2); | |
745 | ||
746 | return hidpp_send_fap_command_sync(hidpp_dev, feature_index, | |
747 | CMD_TOUCHPAD_SET_RAW_REPORT_STATE, ¶ms, 1, &response); | |
748 | } | |
749 | ||
750 | static void hidpp_touchpad_touch_event(u8 *data, | |
751 | struct hidpp_touchpad_raw_xy_finger *finger) | |
752 | { | |
753 | u8 x_m = data[0] << 2; | |
754 | u8 y_m = data[2] << 2; | |
755 | ||
756 | finger->x = x_m << 6 | data[1]; | |
757 | finger->y = y_m << 6 | data[3]; | |
758 | ||
759 | finger->contact_type = data[0] >> 6; | |
760 | finger->contact_status = data[2] >> 6; | |
761 | ||
762 | finger->z = data[4]; | |
763 | finger->area = data[5]; | |
764 | finger->finger_id = data[6] >> 4; | |
765 | } | |
766 | ||
767 | static void hidpp_touchpad_raw_xy_event(struct hidpp_device *hidpp_dev, | |
768 | u8 *data, struct hidpp_touchpad_raw_xy *raw_xy) | |
769 | { | |
770 | memset(raw_xy, 0, sizeof(struct hidpp_touchpad_raw_xy)); | |
771 | raw_xy->end_of_frame = data[8] & 0x01; | |
772 | raw_xy->spurious_flag = (data[8] >> 1) & 0x01; | |
773 | raw_xy->finger_count = data[15] & 0x0f; | |
774 | raw_xy->button = (data[8] >> 2) & 0x01; | |
775 | ||
776 | if (raw_xy->finger_count) { | |
777 | hidpp_touchpad_touch_event(&data[2], &raw_xy->fingers[0]); | |
778 | hidpp_touchpad_touch_event(&data[9], &raw_xy->fingers[1]); | |
779 | } | |
780 | } | |
781 | ||
ff21a635 EV |
782 | /* -------------------------------------------------------------------------- */ |
783 | /* 0x8123: Force feedback support */ | |
784 | /* -------------------------------------------------------------------------- */ | |
785 | ||
786 | #define HIDPP_FF_GET_INFO 0x01 | |
787 | #define HIDPP_FF_RESET_ALL 0x11 | |
788 | #define HIDPP_FF_DOWNLOAD_EFFECT 0x21 | |
789 | #define HIDPP_FF_SET_EFFECT_STATE 0x31 | |
790 | #define HIDPP_FF_DESTROY_EFFECT 0x41 | |
791 | #define HIDPP_FF_GET_APERTURE 0x51 | |
792 | #define HIDPP_FF_SET_APERTURE 0x61 | |
793 | #define HIDPP_FF_GET_GLOBAL_GAINS 0x71 | |
794 | #define HIDPP_FF_SET_GLOBAL_GAINS 0x81 | |
795 | ||
796 | #define HIDPP_FF_EFFECT_STATE_GET 0x00 | |
797 | #define HIDPP_FF_EFFECT_STATE_STOP 0x01 | |
798 | #define HIDPP_FF_EFFECT_STATE_PLAY 0x02 | |
799 | #define HIDPP_FF_EFFECT_STATE_PAUSE 0x03 | |
800 | ||
801 | #define HIDPP_FF_EFFECT_CONSTANT 0x00 | |
802 | #define HIDPP_FF_EFFECT_PERIODIC_SINE 0x01 | |
803 | #define HIDPP_FF_EFFECT_PERIODIC_SQUARE 0x02 | |
804 | #define HIDPP_FF_EFFECT_PERIODIC_TRIANGLE 0x03 | |
805 | #define HIDPP_FF_EFFECT_PERIODIC_SAWTOOTHUP 0x04 | |
806 | #define HIDPP_FF_EFFECT_PERIODIC_SAWTOOTHDOWN 0x05 | |
807 | #define HIDPP_FF_EFFECT_SPRING 0x06 | |
808 | #define HIDPP_FF_EFFECT_DAMPER 0x07 | |
809 | #define HIDPP_FF_EFFECT_FRICTION 0x08 | |
810 | #define HIDPP_FF_EFFECT_INERTIA 0x09 | |
811 | #define HIDPP_FF_EFFECT_RAMP 0x0A | |
812 | ||
813 | #define HIDPP_FF_EFFECT_AUTOSTART 0x80 | |
814 | ||
815 | #define HIDPP_FF_EFFECTID_NONE -1 | |
816 | #define HIDPP_FF_EFFECTID_AUTOCENTER -2 | |
817 | ||
818 | #define HIDPP_FF_MAX_PARAMS 20 | |
819 | #define HIDPP_FF_RESERVED_SLOTS 1 | |
820 | ||
821 | struct hidpp_ff_private_data { | |
822 | struct hidpp_device *hidpp; | |
823 | u8 feature_index; | |
824 | u8 version; | |
825 | u16 gain; | |
826 | s16 range; | |
827 | u8 slot_autocenter; | |
828 | u8 num_effects; | |
829 | int *effect_ids; | |
830 | struct workqueue_struct *wq; | |
831 | atomic_t workqueue_size; | |
832 | }; | |
833 | ||
834 | struct hidpp_ff_work_data { | |
835 | struct work_struct work; | |
836 | struct hidpp_ff_private_data *data; | |
837 | int effect_id; | |
838 | u8 command; | |
839 | u8 params[HIDPP_FF_MAX_PARAMS]; | |
840 | u8 size; | |
841 | }; | |
842 | ||
843 | static const signed short hiddpp_ff_effects[] = { | |
844 | FF_CONSTANT, | |
845 | FF_PERIODIC, | |
846 | FF_SINE, | |
847 | FF_SQUARE, | |
848 | FF_SAW_UP, | |
849 | FF_SAW_DOWN, | |
850 | FF_TRIANGLE, | |
851 | FF_SPRING, | |
852 | FF_DAMPER, | |
853 | FF_AUTOCENTER, | |
854 | FF_GAIN, | |
855 | -1 | |
856 | }; | |
857 | ||
858 | static const signed short hiddpp_ff_effects_v2[] = { | |
859 | FF_RAMP, | |
860 | FF_FRICTION, | |
861 | FF_INERTIA, | |
862 | -1 | |
863 | }; | |
864 | ||
865 | static const u8 HIDPP_FF_CONDITION_CMDS[] = { | |
866 | HIDPP_FF_EFFECT_SPRING, | |
867 | HIDPP_FF_EFFECT_FRICTION, | |
868 | HIDPP_FF_EFFECT_DAMPER, | |
869 | HIDPP_FF_EFFECT_INERTIA | |
870 | }; | |
871 | ||
872 | static const char *HIDPP_FF_CONDITION_NAMES[] = { | |
873 | "spring", | |
874 | "friction", | |
875 | "damper", | |
876 | "inertia" | |
877 | }; | |
878 | ||
879 | ||
880 | static u8 hidpp_ff_find_effect(struct hidpp_ff_private_data *data, int effect_id) | |
881 | { | |
882 | int i; | |
883 | ||
884 | for (i = 0; i < data->num_effects; i++) | |
885 | if (data->effect_ids[i] == effect_id) | |
886 | return i+1; | |
887 | ||
888 | return 0; | |
889 | } | |
890 | ||
891 | static void hidpp_ff_work_handler(struct work_struct *w) | |
892 | { | |
893 | struct hidpp_ff_work_data *wd = container_of(w, struct hidpp_ff_work_data, work); | |
894 | struct hidpp_ff_private_data *data = wd->data; | |
895 | struct hidpp_report response; | |
896 | u8 slot; | |
897 | int ret; | |
898 | ||
899 | /* add slot number if needed */ | |
900 | switch (wd->effect_id) { | |
901 | case HIDPP_FF_EFFECTID_AUTOCENTER: | |
902 | wd->params[0] = data->slot_autocenter; | |
903 | break; | |
904 | case HIDPP_FF_EFFECTID_NONE: | |
905 | /* leave slot as zero */ | |
906 | break; | |
907 | default: | |
908 | /* find current slot for effect */ | |
909 | wd->params[0] = hidpp_ff_find_effect(data, wd->effect_id); | |
910 | break; | |
911 | } | |
912 | ||
913 | /* send command and wait for reply */ | |
914 | ret = hidpp_send_fap_command_sync(data->hidpp, data->feature_index, | |
915 | wd->command, wd->params, wd->size, &response); | |
916 | ||
917 | if (ret) { | |
918 | hid_err(data->hidpp->hid_dev, "Failed to send command to device!\n"); | |
919 | goto out; | |
920 | } | |
921 | ||
922 | /* parse return data */ | |
923 | switch (wd->command) { | |
924 | case HIDPP_FF_DOWNLOAD_EFFECT: | |
925 | slot = response.fap.params[0]; | |
926 | if (slot > 0 && slot <= data->num_effects) { | |
927 | if (wd->effect_id >= 0) | |
928 | /* regular effect uploaded */ | |
929 | data->effect_ids[slot-1] = wd->effect_id; | |
930 | else if (wd->effect_id >= HIDPP_FF_EFFECTID_AUTOCENTER) | |
931 | /* autocenter spring uploaded */ | |
932 | data->slot_autocenter = slot; | |
933 | } | |
934 | break; | |
935 | case HIDPP_FF_DESTROY_EFFECT: | |
936 | if (wd->effect_id >= 0) | |
937 | /* regular effect destroyed */ | |
938 | data->effect_ids[wd->params[0]-1] = -1; | |
939 | else if (wd->effect_id >= HIDPP_FF_EFFECTID_AUTOCENTER) | |
940 | /* autocenter spring destoyed */ | |
941 | data->slot_autocenter = 0; | |
942 | break; | |
943 | case HIDPP_FF_SET_GLOBAL_GAINS: | |
944 | data->gain = (wd->params[0] << 8) + wd->params[1]; | |
945 | break; | |
946 | case HIDPP_FF_SET_APERTURE: | |
947 | data->range = (wd->params[0] << 8) + wd->params[1]; | |
948 | break; | |
949 | default: | |
950 | /* no action needed */ | |
951 | break; | |
952 | } | |
953 | ||
954 | out: | |
955 | atomic_dec(&data->workqueue_size); | |
956 | kfree(wd); | |
957 | } | |
958 | ||
959 | static int hidpp_ff_queue_work(struct hidpp_ff_private_data *data, int effect_id, u8 command, u8 *params, u8 size) | |
960 | { | |
961 | struct hidpp_ff_work_data *wd = kzalloc(sizeof(*wd), GFP_KERNEL); | |
962 | int s; | |
963 | ||
964 | if (!wd) | |
965 | return -ENOMEM; | |
966 | ||
967 | INIT_WORK(&wd->work, hidpp_ff_work_handler); | |
968 | ||
969 | wd->data = data; | |
970 | wd->effect_id = effect_id; | |
971 | wd->command = command; | |
972 | wd->size = size; | |
973 | memcpy(wd->params, params, size); | |
974 | ||
975 | atomic_inc(&data->workqueue_size); | |
976 | queue_work(data->wq, &wd->work); | |
977 | ||
978 | /* warn about excessive queue size */ | |
979 | s = atomic_read(&data->workqueue_size); | |
980 | if (s >= 20 && s % 20 == 0) | |
981 | hid_warn(data->hidpp->hid_dev, "Force feedback command queue contains %d commands, causing substantial delays!", s); | |
982 | ||
983 | return 0; | |
984 | } | |
985 | ||
986 | static int hidpp_ff_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old) | |
987 | { | |
988 | struct hidpp_ff_private_data *data = dev->ff->private; | |
989 | u8 params[20]; | |
990 | u8 size; | |
991 | int force; | |
992 | ||
993 | /* set common parameters */ | |
994 | params[2] = effect->replay.length >> 8; | |
995 | params[3] = effect->replay.length & 255; | |
996 | params[4] = effect->replay.delay >> 8; | |
997 | params[5] = effect->replay.delay & 255; | |
998 | ||
999 | switch (effect->type) { | |
1000 | case FF_CONSTANT: | |
1001 | force = (effect->u.constant.level * fixp_sin16((effect->direction * 360) >> 16)) >> 15; | |
1002 | params[1] = HIDPP_FF_EFFECT_CONSTANT; | |
1003 | params[6] = force >> 8; | |
1004 | params[7] = force & 255; | |
1005 | params[8] = effect->u.constant.envelope.attack_level >> 7; | |
1006 | params[9] = effect->u.constant.envelope.attack_length >> 8; | |
1007 | params[10] = effect->u.constant.envelope.attack_length & 255; | |
1008 | params[11] = effect->u.constant.envelope.fade_level >> 7; | |
1009 | params[12] = effect->u.constant.envelope.fade_length >> 8; | |
1010 | params[13] = effect->u.constant.envelope.fade_length & 255; | |
1011 | size = 14; | |
1012 | dbg_hid("Uploading constant force level=%d in dir %d = %d\n", | |
1013 | effect->u.constant.level, | |
1014 | effect->direction, force); | |
1015 | dbg_hid(" envelope attack=(%d, %d ms) fade=(%d, %d ms)\n", | |
1016 | effect->u.constant.envelope.attack_level, | |
1017 | effect->u.constant.envelope.attack_length, | |
1018 | effect->u.constant.envelope.fade_level, | |
1019 | effect->u.constant.envelope.fade_length); | |
1020 | break; | |
1021 | case FF_PERIODIC: | |
1022 | { | |
1023 | switch (effect->u.periodic.waveform) { | |
1024 | case FF_SINE: | |
1025 | params[1] = HIDPP_FF_EFFECT_PERIODIC_SINE; | |
1026 | break; | |
1027 | case FF_SQUARE: | |
1028 | params[1] = HIDPP_FF_EFFECT_PERIODIC_SQUARE; | |
1029 | break; | |
1030 | case FF_SAW_UP: | |
1031 | params[1] = HIDPP_FF_EFFECT_PERIODIC_SAWTOOTHUP; | |
1032 | break; | |
1033 | case FF_SAW_DOWN: | |
1034 | params[1] = HIDPP_FF_EFFECT_PERIODIC_SAWTOOTHDOWN; | |
1035 | break; | |
1036 | case FF_TRIANGLE: | |
1037 | params[1] = HIDPP_FF_EFFECT_PERIODIC_TRIANGLE; | |
1038 | break; | |
1039 | default: | |
1040 | hid_err(data->hidpp->hid_dev, "Unexpected periodic waveform type %i!\n", effect->u.periodic.waveform); | |
1041 | return -EINVAL; | |
1042 | } | |
1043 | force = (effect->u.periodic.magnitude * fixp_sin16((effect->direction * 360) >> 16)) >> 15; | |
1044 | params[6] = effect->u.periodic.magnitude >> 8; | |
1045 | params[7] = effect->u.periodic.magnitude & 255; | |
1046 | params[8] = effect->u.periodic.offset >> 8; | |
1047 | params[9] = effect->u.periodic.offset & 255; | |
1048 | params[10] = effect->u.periodic.period >> 8; | |
1049 | params[11] = effect->u.periodic.period & 255; | |
1050 | params[12] = effect->u.periodic.phase >> 8; | |
1051 | params[13] = effect->u.periodic.phase & 255; | |
1052 | params[14] = effect->u.periodic.envelope.attack_level >> 7; | |
1053 | params[15] = effect->u.periodic.envelope.attack_length >> 8; | |
1054 | params[16] = effect->u.periodic.envelope.attack_length & 255; | |
1055 | params[17] = effect->u.periodic.envelope.fade_level >> 7; | |
1056 | params[18] = effect->u.periodic.envelope.fade_length >> 8; | |
1057 | params[19] = effect->u.periodic.envelope.fade_length & 255; | |
1058 | size = 20; | |
1059 | dbg_hid("Uploading periodic force mag=%d/dir=%d, offset=%d, period=%d ms, phase=%d\n", | |
1060 | effect->u.periodic.magnitude, effect->direction, | |
1061 | effect->u.periodic.offset, | |
1062 | effect->u.periodic.period, | |
1063 | effect->u.periodic.phase); | |
1064 | dbg_hid(" envelope attack=(%d, %d ms) fade=(%d, %d ms)\n", | |
1065 | effect->u.periodic.envelope.attack_level, | |
1066 | effect->u.periodic.envelope.attack_length, | |
1067 | effect->u.periodic.envelope.fade_level, | |
1068 | effect->u.periodic.envelope.fade_length); | |
1069 | break; | |
1070 | } | |
1071 | case FF_RAMP: | |
1072 | params[1] = HIDPP_FF_EFFECT_RAMP; | |
1073 | force = (effect->u.ramp.start_level * fixp_sin16((effect->direction * 360) >> 16)) >> 15; | |
1074 | params[6] = force >> 8; | |
1075 | params[7] = force & 255; | |
1076 | force = (effect->u.ramp.end_level * fixp_sin16((effect->direction * 360) >> 16)) >> 15; | |
1077 | params[8] = force >> 8; | |
1078 | params[9] = force & 255; | |
1079 | params[10] = effect->u.ramp.envelope.attack_level >> 7; | |
1080 | params[11] = effect->u.ramp.envelope.attack_length >> 8; | |
1081 | params[12] = effect->u.ramp.envelope.attack_length & 255; | |
1082 | params[13] = effect->u.ramp.envelope.fade_level >> 7; | |
1083 | params[14] = effect->u.ramp.envelope.fade_length >> 8; | |
1084 | params[15] = effect->u.ramp.envelope.fade_length & 255; | |
1085 | size = 16; | |
1086 | dbg_hid("Uploading ramp force level=%d -> %d in dir %d = %d\n", | |
1087 | effect->u.ramp.start_level, | |
1088 | effect->u.ramp.end_level, | |
1089 | effect->direction, force); | |
1090 | dbg_hid(" envelope attack=(%d, %d ms) fade=(%d, %d ms)\n", | |
1091 | effect->u.ramp.envelope.attack_level, | |
1092 | effect->u.ramp.envelope.attack_length, | |
1093 | effect->u.ramp.envelope.fade_level, | |
1094 | effect->u.ramp.envelope.fade_length); | |
1095 | break; | |
1096 | case FF_FRICTION: | |
1097 | case FF_INERTIA: | |
1098 | case FF_SPRING: | |
1099 | case FF_DAMPER: | |
1100 | params[1] = HIDPP_FF_CONDITION_CMDS[effect->type - FF_SPRING]; | |
1101 | params[6] = effect->u.condition[0].left_saturation >> 9; | |
1102 | params[7] = (effect->u.condition[0].left_saturation >> 1) & 255; | |
1103 | params[8] = effect->u.condition[0].left_coeff >> 8; | |
1104 | params[9] = effect->u.condition[0].left_coeff & 255; | |
1105 | params[10] = effect->u.condition[0].deadband >> 9; | |
1106 | params[11] = (effect->u.condition[0].deadband >> 1) & 255; | |
1107 | params[12] = effect->u.condition[0].center >> 8; | |
1108 | params[13] = effect->u.condition[0].center & 255; | |
1109 | params[14] = effect->u.condition[0].right_coeff >> 8; | |
1110 | params[15] = effect->u.condition[0].right_coeff & 255; | |
1111 | params[16] = effect->u.condition[0].right_saturation >> 9; | |
1112 | params[17] = (effect->u.condition[0].right_saturation >> 1) & 255; | |
1113 | size = 18; | |
1114 | dbg_hid("Uploading %s force left coeff=%d, left sat=%d, right coeff=%d, right sat=%d\n", | |
1115 | HIDPP_FF_CONDITION_NAMES[effect->type - FF_SPRING], | |
1116 | effect->u.condition[0].left_coeff, | |
1117 | effect->u.condition[0].left_saturation, | |
1118 | effect->u.condition[0].right_coeff, | |
1119 | effect->u.condition[0].right_saturation); | |
1120 | dbg_hid(" deadband=%d, center=%d\n", | |
1121 | effect->u.condition[0].deadband, | |
1122 | effect->u.condition[0].center); | |
1123 | break; | |
1124 | default: | |
1125 | hid_err(data->hidpp->hid_dev, "Unexpected force type %i!\n", effect->type); | |
1126 | return -EINVAL; | |
1127 | } | |
1128 | ||
1129 | return hidpp_ff_queue_work(data, effect->id, HIDPP_FF_DOWNLOAD_EFFECT, params, size); | |
1130 | } | |
1131 | ||
1132 | static int hidpp_ff_playback(struct input_dev *dev, int effect_id, int value) | |
1133 | { | |
1134 | struct hidpp_ff_private_data *data = dev->ff->private; | |
1135 | u8 params[2]; | |
1136 | ||
1137 | params[1] = value ? HIDPP_FF_EFFECT_STATE_PLAY : HIDPP_FF_EFFECT_STATE_STOP; | |
1138 | ||
1139 | dbg_hid("St%sing playback of effect %d.\n", value?"art":"opp", effect_id); | |
1140 | ||
1141 | return hidpp_ff_queue_work(data, effect_id, HIDPP_FF_SET_EFFECT_STATE, params, ARRAY_SIZE(params)); | |
1142 | } | |
1143 | ||
1144 | static int hidpp_ff_erase_effect(struct input_dev *dev, int effect_id) | |
1145 | { | |
1146 | struct hidpp_ff_private_data *data = dev->ff->private; | |
1147 | u8 slot = 0; | |
1148 | ||
1149 | dbg_hid("Erasing effect %d.\n", effect_id); | |
1150 | ||
1151 | return hidpp_ff_queue_work(data, effect_id, HIDPP_FF_DESTROY_EFFECT, &slot, 1); | |
1152 | } | |
1153 | ||
1154 | static void hidpp_ff_set_autocenter(struct input_dev *dev, u16 magnitude) | |
1155 | { | |
1156 | struct hidpp_ff_private_data *data = dev->ff->private; | |
1157 | u8 params[18]; | |
1158 | ||
1159 | dbg_hid("Setting autocenter to %d.\n", magnitude); | |
1160 | ||
1161 | /* start a standard spring effect */ | |
1162 | params[1] = HIDPP_FF_EFFECT_SPRING | HIDPP_FF_EFFECT_AUTOSTART; | |
1163 | /* zero delay and duration */ | |
1164 | params[2] = params[3] = params[4] = params[5] = 0; | |
1165 | /* set coeff to 25% of saturation */ | |
1166 | params[8] = params[14] = magnitude >> 11; | |
1167 | params[9] = params[15] = (magnitude >> 3) & 255; | |
1168 | params[6] = params[16] = magnitude >> 9; | |
1169 | params[7] = params[17] = (magnitude >> 1) & 255; | |
1170 | /* zero deadband and center */ | |
1171 | params[10] = params[11] = params[12] = params[13] = 0; | |
1172 | ||
1173 | hidpp_ff_queue_work(data, HIDPP_FF_EFFECTID_AUTOCENTER, HIDPP_FF_DOWNLOAD_EFFECT, params, ARRAY_SIZE(params)); | |
1174 | } | |
1175 | ||
1176 | static void hidpp_ff_set_gain(struct input_dev *dev, u16 gain) | |
1177 | { | |
1178 | struct hidpp_ff_private_data *data = dev->ff->private; | |
1179 | u8 params[4]; | |
1180 | ||
1181 | dbg_hid("Setting gain to %d.\n", gain); | |
1182 | ||
1183 | params[0] = gain >> 8; | |
1184 | params[1] = gain & 255; | |
1185 | params[2] = 0; /* no boost */ | |
1186 | params[3] = 0; | |
1187 | ||
1188 | hidpp_ff_queue_work(data, HIDPP_FF_EFFECTID_NONE, HIDPP_FF_SET_GLOBAL_GAINS, params, ARRAY_SIZE(params)); | |
1189 | } | |
1190 | ||
1191 | static ssize_t hidpp_ff_range_show(struct device *dev, struct device_attribute *attr, char *buf) | |
1192 | { | |
1193 | struct hid_device *hid = to_hid_device(dev); | |
1194 | struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); | |
1195 | struct input_dev *idev = hidinput->input; | |
1196 | struct hidpp_ff_private_data *data = idev->ff->private; | |
1197 | ||
1198 | return scnprintf(buf, PAGE_SIZE, "%u\n", data->range); | |
1199 | } | |
1200 | ||
1201 | static ssize_t hidpp_ff_range_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | |
1202 | { | |
1203 | struct hid_device *hid = to_hid_device(dev); | |
1204 | struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); | |
1205 | struct input_dev *idev = hidinput->input; | |
1206 | struct hidpp_ff_private_data *data = idev->ff->private; | |
1207 | u8 params[2]; | |
1208 | int range = simple_strtoul(buf, NULL, 10); | |
1209 | ||
1210 | range = clamp(range, 180, 900); | |
1211 | ||
1212 | params[0] = range >> 8; | |
1213 | params[1] = range & 0x00FF; | |
1214 | ||
1215 | hidpp_ff_queue_work(data, -1, HIDPP_FF_SET_APERTURE, params, ARRAY_SIZE(params)); | |
1216 | ||
1217 | return count; | |
1218 | } | |
1219 | ||
1220 | static DEVICE_ATTR(range, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH, hidpp_ff_range_show, hidpp_ff_range_store); | |
1221 | ||
1222 | static void hidpp_ff_destroy(struct ff_device *ff) | |
1223 | { | |
1224 | struct hidpp_ff_private_data *data = ff->private; | |
1225 | ||
1226 | kfree(data->effect_ids); | |
1227 | } | |
1228 | ||
af2e628d | 1229 | static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index) |
ff21a635 EV |
1230 | { |
1231 | struct hid_device *hid = hidpp->hid_dev; | |
1232 | struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); | |
1233 | struct input_dev *dev = hidinput->input; | |
1234 | const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor); | |
1235 | const u16 bcdDevice = le16_to_cpu(udesc->bcdDevice); | |
1236 | struct ff_device *ff; | |
1237 | struct hidpp_report response; | |
1238 | struct hidpp_ff_private_data *data; | |
1239 | int error, j, num_slots; | |
1240 | u8 version; | |
1241 | ||
1242 | if (!dev) { | |
1243 | hid_err(hid, "Struct input_dev not set!\n"); | |
1244 | return -EINVAL; | |
1245 | } | |
1246 | ||
1247 | /* Get firmware release */ | |
1248 | version = bcdDevice & 255; | |
1249 | ||
1250 | /* Set supported force feedback capabilities */ | |
1251 | for (j = 0; hiddpp_ff_effects[j] >= 0; j++) | |
1252 | set_bit(hiddpp_ff_effects[j], dev->ffbit); | |
1253 | if (version > 1) | |
1254 | for (j = 0; hiddpp_ff_effects_v2[j] >= 0; j++) | |
1255 | set_bit(hiddpp_ff_effects_v2[j], dev->ffbit); | |
1256 | ||
1257 | /* Read number of slots available in device */ | |
1258 | error = hidpp_send_fap_command_sync(hidpp, feature_index, | |
1259 | HIDPP_FF_GET_INFO, NULL, 0, &response); | |
1260 | if (error) { | |
1261 | if (error < 0) | |
1262 | return error; | |
1263 | hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n", | |
1264 | __func__, error); | |
1265 | return -EPROTO; | |
1266 | } | |
1267 | ||
1268 | num_slots = response.fap.params[0] - HIDPP_FF_RESERVED_SLOTS; | |
1269 | ||
1270 | error = input_ff_create(dev, num_slots); | |
1271 | ||
1272 | if (error) { | |
1273 | hid_err(dev, "Failed to create FF device!\n"); | |
1274 | return error; | |
1275 | } | |
1276 | ||
1277 | data = kzalloc(sizeof(*data), GFP_KERNEL); | |
1278 | if (!data) | |
1279 | return -ENOMEM; | |
1280 | data->effect_ids = kcalloc(num_slots, sizeof(int), GFP_KERNEL); | |
1281 | if (!data->effect_ids) { | |
1282 | kfree(data); | |
1283 | return -ENOMEM; | |
1284 | } | |
1285 | data->hidpp = hidpp; | |
1286 | data->feature_index = feature_index; | |
1287 | data->version = version; | |
1288 | data->slot_autocenter = 0; | |
1289 | data->num_effects = num_slots; | |
1290 | for (j = 0; j < num_slots; j++) | |
1291 | data->effect_ids[j] = -1; | |
1292 | ||
1293 | ff = dev->ff; | |
1294 | ff->private = data; | |
1295 | ||
1296 | ff->upload = hidpp_ff_upload_effect; | |
1297 | ff->erase = hidpp_ff_erase_effect; | |
1298 | ff->playback = hidpp_ff_playback; | |
1299 | ff->set_gain = hidpp_ff_set_gain; | |
1300 | ff->set_autocenter = hidpp_ff_set_autocenter; | |
1301 | ff->destroy = hidpp_ff_destroy; | |
1302 | ||
1303 | ||
1304 | /* reset all forces */ | |
1305 | error = hidpp_send_fap_command_sync(hidpp, feature_index, | |
1306 | HIDPP_FF_RESET_ALL, NULL, 0, &response); | |
1307 | ||
1308 | /* Read current Range */ | |
1309 | error = hidpp_send_fap_command_sync(hidpp, feature_index, | |
1310 | HIDPP_FF_GET_APERTURE, NULL, 0, &response); | |
1311 | if (error) | |
1312 | hid_warn(hidpp->hid_dev, "Failed to read range from device!\n"); | |
1313 | data->range = error ? 900 : get_unaligned_be16(&response.fap.params[0]); | |
1314 | ||
1315 | /* Create sysfs interface */ | |
1316 | error = device_create_file(&(hidpp->hid_dev->dev), &dev_attr_range); | |
1317 | if (error) | |
1318 | hid_warn(hidpp->hid_dev, "Unable to create sysfs interface for \"range\", errno %d!\n", error); | |
1319 | ||
1320 | /* Read the current gain values */ | |
1321 | error = hidpp_send_fap_command_sync(hidpp, feature_index, | |
1322 | HIDPP_FF_GET_GLOBAL_GAINS, NULL, 0, &response); | |
1323 | if (error) | |
1324 | hid_warn(hidpp->hid_dev, "Failed to read gain values from device!\n"); | |
1325 | data->gain = error ? 0xffff : get_unaligned_be16(&response.fap.params[0]); | |
1326 | /* ignore boost value at response.fap.params[2] */ | |
1327 | ||
1328 | /* init the hardware command queue */ | |
1329 | data->wq = create_singlethread_workqueue("hidpp-ff-sendqueue"); | |
1330 | atomic_set(&data->workqueue_size, 0); | |
1331 | ||
1332 | /* initialize with zero autocenter to get wheel in usable state */ | |
1333 | hidpp_ff_set_autocenter(dev, 0); | |
1334 | ||
1335 | hid_info(hid, "Force feeback support loaded (firmware release %d).\n", version); | |
1336 | ||
1337 | return 0; | |
1338 | } | |
1339 | ||
af2e628d | 1340 | static int hidpp_ff_deinit(struct hid_device *hid) |
ff21a635 EV |
1341 | { |
1342 | struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); | |
1343 | struct input_dev *dev = hidinput->input; | |
1344 | struct hidpp_ff_private_data *data; | |
1345 | ||
1346 | if (!dev) { | |
1347 | hid_err(hid, "Struct input_dev not found!\n"); | |
1348 | return -EINVAL; | |
1349 | } | |
1350 | ||
1351 | hid_info(hid, "Unloading HID++ force feedback.\n"); | |
1352 | data = dev->ff->private; | |
1353 | if (!data) { | |
1354 | hid_err(hid, "Private data not found!\n"); | |
1355 | return -EINVAL; | |
1356 | } | |
1357 | ||
1358 | destroy_workqueue(data->wq); | |
1359 | device_remove_file(&hid->dev, &dev_attr_range); | |
1360 | ||
1361 | return 0; | |
1362 | } | |
1363 | ||
1364 | ||
2f31c525 BT |
1365 | /* ************************************************************************** */ |
1366 | /* */ | |
1367 | /* Device Support */ | |
1368 | /* */ | |
1369 | /* ************************************************************************** */ | |
1370 | ||
1371 | /* -------------------------------------------------------------------------- */ | |
1372 | /* Touchpad HID++ devices */ | |
1373 | /* -------------------------------------------------------------------------- */ | |
1374 | ||
57ac86cf BT |
1375 | #define WTP_MANUAL_RESOLUTION 39 |
1376 | ||
2f31c525 BT |
1377 | struct wtp_data { |
1378 | struct input_dev *input; | |
1379 | u16 x_size, y_size; | |
1380 | u8 finger_count; | |
1381 | u8 mt_feature_index; | |
1382 | u8 button_feature_index; | |
1383 | u8 maxcontacts; | |
1384 | bool flip_y; | |
1385 | unsigned int resolution; | |
1386 | }; | |
1387 | ||
1388 | static int wtp_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
1389 | struct hid_field *field, struct hid_usage *usage, | |
1390 | unsigned long **bit, int *max) | |
1391 | { | |
1392 | return -1; | |
1393 | } | |
1394 | ||
c39e3d5f BT |
1395 | static void wtp_populate_input(struct hidpp_device *hidpp, |
1396 | struct input_dev *input_dev, bool origin_is_hid_core) | |
2f31c525 | 1397 | { |
2f31c525 | 1398 | struct wtp_data *wd = hidpp->private_data; |
2f31c525 BT |
1399 | |
1400 | __set_bit(EV_ABS, input_dev->evbit); | |
1401 | __set_bit(EV_KEY, input_dev->evbit); | |
1402 | __clear_bit(EV_REL, input_dev->evbit); | |
1403 | __clear_bit(EV_LED, input_dev->evbit); | |
1404 | ||
1405 | input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, wd->x_size, 0, 0); | |
1406 | input_abs_set_res(input_dev, ABS_MT_POSITION_X, wd->resolution); | |
1407 | input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, wd->y_size, 0, 0); | |
1408 | input_abs_set_res(input_dev, ABS_MT_POSITION_Y, wd->resolution); | |
1409 | ||
1410 | /* Max pressure is not given by the devices, pick one */ | |
1411 | input_set_abs_params(input_dev, ABS_MT_PRESSURE, 0, 50, 0, 0); | |
1412 | ||
1413 | input_set_capability(input_dev, EV_KEY, BTN_LEFT); | |
1414 | ||
57ac86cf BT |
1415 | if (hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS) |
1416 | input_set_capability(input_dev, EV_KEY, BTN_RIGHT); | |
1417 | else | |
1418 | __set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit); | |
2f31c525 BT |
1419 | |
1420 | input_mt_init_slots(input_dev, wd->maxcontacts, INPUT_MT_POINTER | | |
1421 | INPUT_MT_DROP_UNUSED); | |
1422 | ||
1423 | wd->input = input_dev; | |
1424 | } | |
1425 | ||
1426 | static void wtp_touch_event(struct wtp_data *wd, | |
1427 | struct hidpp_touchpad_raw_xy_finger *touch_report) | |
1428 | { | |
1429 | int slot; | |
1430 | ||
1431 | if (!touch_report->finger_id || touch_report->contact_type) | |
1432 | /* no actual data */ | |
1433 | return; | |
1434 | ||
1435 | slot = input_mt_get_slot_by_key(wd->input, touch_report->finger_id); | |
1436 | ||
1437 | input_mt_slot(wd->input, slot); | |
1438 | input_mt_report_slot_state(wd->input, MT_TOOL_FINGER, | |
1439 | touch_report->contact_status); | |
1440 | if (touch_report->contact_status) { | |
1441 | input_event(wd->input, EV_ABS, ABS_MT_POSITION_X, | |
1442 | touch_report->x); | |
1443 | input_event(wd->input, EV_ABS, ABS_MT_POSITION_Y, | |
1444 | wd->flip_y ? wd->y_size - touch_report->y : | |
1445 | touch_report->y); | |
1446 | input_event(wd->input, EV_ABS, ABS_MT_PRESSURE, | |
1447 | touch_report->area); | |
1448 | } | |
1449 | } | |
1450 | ||
1451 | static void wtp_send_raw_xy_event(struct hidpp_device *hidpp, | |
1452 | struct hidpp_touchpad_raw_xy *raw) | |
1453 | { | |
1454 | struct wtp_data *wd = hidpp->private_data; | |
1455 | int i; | |
1456 | ||
1457 | for (i = 0; i < 2; i++) | |
1458 | wtp_touch_event(wd, &(raw->fingers[i])); | |
1459 | ||
57ac86cf BT |
1460 | if (raw->end_of_frame && |
1461 | !(hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS)) | |
2f31c525 BT |
1462 | input_event(wd->input, EV_KEY, BTN_LEFT, raw->button); |
1463 | ||
1464 | if (raw->end_of_frame || raw->finger_count <= 2) { | |
1465 | input_mt_sync_frame(wd->input); | |
1466 | input_sync(wd->input); | |
1467 | } | |
1468 | } | |
1469 | ||
1470 | static int wtp_mouse_raw_xy_event(struct hidpp_device *hidpp, u8 *data) | |
1471 | { | |
1472 | struct wtp_data *wd = hidpp->private_data; | |
1473 | u8 c1_area = ((data[7] & 0xf) * (data[7] & 0xf) + | |
1474 | (data[7] >> 4) * (data[7] >> 4)) / 2; | |
1475 | u8 c2_area = ((data[13] & 0xf) * (data[13] & 0xf) + | |
1476 | (data[13] >> 4) * (data[13] >> 4)) / 2; | |
1477 | struct hidpp_touchpad_raw_xy raw = { | |
1478 | .timestamp = data[1], | |
1479 | .fingers = { | |
1480 | { | |
1481 | .contact_type = 0, | |
1482 | .contact_status = !!data[7], | |
1483 | .x = get_unaligned_le16(&data[3]), | |
1484 | .y = get_unaligned_le16(&data[5]), | |
1485 | .z = c1_area, | |
1486 | .area = c1_area, | |
1487 | .finger_id = data[2], | |
1488 | }, { | |
1489 | .contact_type = 0, | |
1490 | .contact_status = !!data[13], | |
1491 | .x = get_unaligned_le16(&data[9]), | |
1492 | .y = get_unaligned_le16(&data[11]), | |
1493 | .z = c2_area, | |
1494 | .area = c2_area, | |
1495 | .finger_id = data[8], | |
1496 | } | |
1497 | }, | |
1498 | .finger_count = wd->maxcontacts, | |
1499 | .spurious_flag = 0, | |
1500 | .end_of_frame = (data[0] >> 7) == 0, | |
1501 | .button = data[0] & 0x01, | |
1502 | }; | |
1503 | ||
1504 | wtp_send_raw_xy_event(hidpp, &raw); | |
1505 | ||
1506 | return 1; | |
1507 | } | |
1508 | ||
1509 | static int wtp_raw_event(struct hid_device *hdev, u8 *data, int size) | |
1510 | { | |
1511 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
1512 | struct wtp_data *wd = hidpp->private_data; | |
586bdc4e BT |
1513 | struct hidpp_report *report = (struct hidpp_report *)data; |
1514 | struct hidpp_touchpad_raw_xy raw; | |
2f31c525 | 1515 | |
586bdc4e | 1516 | if (!wd || !wd->input) |
2f31c525 BT |
1517 | return 1; |
1518 | ||
586bdc4e BT |
1519 | switch (data[0]) { |
1520 | case 0x02: | |
0b3f6569 PW |
1521 | if (size < 2) { |
1522 | hid_err(hdev, "Received HID report of bad size (%d)", | |
1523 | size); | |
1524 | return 1; | |
1525 | } | |
57ac86cf BT |
1526 | if (hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS) { |
1527 | input_event(wd->input, EV_KEY, BTN_LEFT, | |
1528 | !!(data[1] & 0x01)); | |
1529 | input_event(wd->input, EV_KEY, BTN_RIGHT, | |
1530 | !!(data[1] & 0x02)); | |
1531 | input_sync(wd->input); | |
8abd8205 | 1532 | return 0; |
57ac86cf BT |
1533 | } else { |
1534 | if (size < 21) | |
1535 | return 1; | |
1536 | return wtp_mouse_raw_xy_event(hidpp, &data[7]); | |
1537 | } | |
586bdc4e | 1538 | case REPORT_ID_HIDPP_LONG: |
0b3f6569 | 1539 | /* size is already checked in hidpp_raw_event. */ |
586bdc4e BT |
1540 | if ((report->fap.feature_index != wd->mt_feature_index) || |
1541 | (report->fap.funcindex_clientid != EVENT_TOUCHPAD_RAW_XY)) | |
1542 | return 1; | |
1543 | hidpp_touchpad_raw_xy_event(hidpp, data + 4, &raw); | |
1544 | ||
1545 | wtp_send_raw_xy_event(hidpp, &raw); | |
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | return 0; | |
2f31c525 BT |
1550 | } |
1551 | ||
1552 | static int wtp_get_config(struct hidpp_device *hidpp) | |
1553 | { | |
1554 | struct wtp_data *wd = hidpp->private_data; | |
1555 | struct hidpp_touchpad_raw_info raw_info = {0}; | |
1556 | u8 feature_type; | |
1557 | int ret; | |
1558 | ||
1559 | ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_TOUCHPAD_RAW_XY, | |
1560 | &wd->mt_feature_index, &feature_type); | |
1561 | if (ret) | |
1562 | /* means that the device is not powered up */ | |
1563 | return ret; | |
1564 | ||
1565 | ret = hidpp_touchpad_get_raw_info(hidpp, wd->mt_feature_index, | |
1566 | &raw_info); | |
1567 | if (ret) | |
1568 | return ret; | |
1569 | ||
1570 | wd->x_size = raw_info.x_size; | |
1571 | wd->y_size = raw_info.y_size; | |
1572 | wd->maxcontacts = raw_info.maxcontacts; | |
1573 | wd->flip_y = raw_info.origin == TOUCHPAD_RAW_XY_ORIGIN_LOWER_LEFT; | |
1574 | wd->resolution = raw_info.res; | |
57ac86cf BT |
1575 | if (!wd->resolution) |
1576 | wd->resolution = WTP_MANUAL_RESOLUTION; | |
2f31c525 BT |
1577 | |
1578 | return 0; | |
1579 | } | |
1580 | ||
1581 | static int wtp_allocate(struct hid_device *hdev, const struct hid_device_id *id) | |
1582 | { | |
1583 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
1584 | struct wtp_data *wd; | |
1585 | ||
1586 | wd = devm_kzalloc(&hdev->dev, sizeof(struct wtp_data), | |
1587 | GFP_KERNEL); | |
1588 | if (!wd) | |
1589 | return -ENOMEM; | |
1590 | ||
1591 | hidpp->private_data = wd; | |
1592 | ||
1593 | return 0; | |
1594 | }; | |
1595 | ||
bf159447 | 1596 | static int wtp_connect(struct hid_device *hdev, bool connected) |
586bdc4e BT |
1597 | { |
1598 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
1599 | struct wtp_data *wd = hidpp->private_data; | |
1600 | int ret; | |
1601 | ||
1602 | if (!connected) | |
bf159447 | 1603 | return 0; |
586bdc4e BT |
1604 | |
1605 | if (!wd->x_size) { | |
1606 | ret = wtp_get_config(hidpp); | |
1607 | if (ret) { | |
1608 | hid_err(hdev, "Can not get wtp config: %d\n", ret); | |
bf159447 | 1609 | return ret; |
586bdc4e BT |
1610 | } |
1611 | } | |
1612 | ||
bf159447 | 1613 | return hidpp_touchpad_set_raw_report_state(hidpp, wd->mt_feature_index, |
586bdc4e BT |
1614 | true, true); |
1615 | } | |
1616 | ||
8a09b4fa GB |
1617 | /* ------------------------------------------------------------------------- */ |
1618 | /* Logitech M560 devices */ | |
1619 | /* ------------------------------------------------------------------------- */ | |
1620 | ||
1621 | /* | |
1622 | * Logitech M560 protocol overview | |
1623 | * | |
1624 | * The Logitech M560 mouse, is designed for windows 8. When the middle and/or | |
1625 | * the sides buttons are pressed, it sends some keyboard keys events | |
1626 | * instead of buttons ones. | |
1627 | * To complicate things further, the middle button keys sequence | |
1628 | * is different from the odd press and the even press. | |
1629 | * | |
1630 | * forward button -> Super_R | |
1631 | * backward button -> Super_L+'d' (press only) | |
1632 | * middle button -> 1st time: Alt_L+SuperL+XF86TouchpadOff (press only) | |
1633 | * 2nd time: left-click (press only) | |
1634 | * NB: press-only means that when the button is pressed, the | |
1635 | * KeyPress/ButtonPress and KeyRelease/ButtonRelease events are generated | |
1636 | * together sequentially; instead when the button is released, no event is | |
1637 | * generated ! | |
1638 | * | |
1639 | * With the command | |
1640 | * 10<xx>0a 3500af03 (where <xx> is the mouse id), | |
1641 | * the mouse reacts differently: | |
1642 | * - it never sends a keyboard key event | |
1643 | * - for the three mouse button it sends: | |
1644 | * middle button press 11<xx>0a 3500af00... | |
1645 | * side 1 button (forward) press 11<xx>0a 3500b000... | |
1646 | * side 2 button (backward) press 11<xx>0a 3500ae00... | |
1647 | * middle/side1/side2 button release 11<xx>0a 35000000... | |
1648 | */ | |
1649 | ||
1650 | static const u8 m560_config_parameter[] = {0x00, 0xaf, 0x03}; | |
1651 | ||
1652 | struct m560_private_data { | |
1653 | struct input_dev *input; | |
1654 | }; | |
1655 | ||
1656 | /* how buttons are mapped in the report */ | |
1657 | #define M560_MOUSE_BTN_LEFT 0x01 | |
1658 | #define M560_MOUSE_BTN_RIGHT 0x02 | |
1659 | #define M560_MOUSE_BTN_WHEEL_LEFT 0x08 | |
1660 | #define M560_MOUSE_BTN_WHEEL_RIGHT 0x10 | |
1661 | ||
1662 | #define M560_SUB_ID 0x0a | |
1663 | #define M560_BUTTON_MODE_REGISTER 0x35 | |
1664 | ||
1665 | static int m560_send_config_command(struct hid_device *hdev, bool connected) | |
1666 | { | |
1667 | struct hidpp_report response; | |
1668 | struct hidpp_device *hidpp_dev; | |
1669 | ||
1670 | hidpp_dev = hid_get_drvdata(hdev); | |
1671 | ||
1672 | if (!connected) | |
1673 | return -ENODEV; | |
1674 | ||
1675 | return hidpp_send_rap_command_sync( | |
1676 | hidpp_dev, | |
1677 | REPORT_ID_HIDPP_SHORT, | |
1678 | M560_SUB_ID, | |
1679 | M560_BUTTON_MODE_REGISTER, | |
1680 | (u8 *)m560_config_parameter, | |
1681 | sizeof(m560_config_parameter), | |
1682 | &response | |
1683 | ); | |
1684 | } | |
1685 | ||
1686 | static int m560_allocate(struct hid_device *hdev) | |
1687 | { | |
1688 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
1689 | struct m560_private_data *d; | |
1690 | ||
1691 | d = devm_kzalloc(&hdev->dev, sizeof(struct m560_private_data), | |
1692 | GFP_KERNEL); | |
1693 | if (!d) | |
1694 | return -ENOMEM; | |
1695 | ||
1696 | hidpp->private_data = d; | |
1697 | ||
1698 | return 0; | |
1699 | }; | |
1700 | ||
1701 | static int m560_raw_event(struct hid_device *hdev, u8 *data, int size) | |
1702 | { | |
1703 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
1704 | struct m560_private_data *mydata = hidpp->private_data; | |
1705 | ||
1706 | /* sanity check */ | |
1707 | if (!mydata || !mydata->input) { | |
1708 | hid_err(hdev, "error in parameter\n"); | |
1709 | return -EINVAL; | |
1710 | } | |
1711 | ||
1712 | if (size < 7) { | |
1713 | hid_err(hdev, "error in report\n"); | |
1714 | return 0; | |
1715 | } | |
1716 | ||
1717 | if (data[0] == REPORT_ID_HIDPP_LONG && | |
1718 | data[2] == M560_SUB_ID && data[6] == 0x00) { | |
1719 | /* | |
1720 | * m560 mouse report for middle, forward and backward button | |
1721 | * | |
1722 | * data[0] = 0x11 | |
1723 | * data[1] = device-id | |
1724 | * data[2] = 0x0a | |
1725 | * data[5] = 0xaf -> middle | |
1726 | * 0xb0 -> forward | |
1727 | * 0xae -> backward | |
1728 | * 0x00 -> release all | |
1729 | * data[6] = 0x00 | |
1730 | */ | |
1731 | ||
1732 | switch (data[5]) { | |
1733 | case 0xaf: | |
1734 | input_report_key(mydata->input, BTN_MIDDLE, 1); | |
1735 | break; | |
1736 | case 0xb0: | |
1737 | input_report_key(mydata->input, BTN_FORWARD, 1); | |
1738 | break; | |
1739 | case 0xae: | |
1740 | input_report_key(mydata->input, BTN_BACK, 1); | |
1741 | break; | |
1742 | case 0x00: | |
1743 | input_report_key(mydata->input, BTN_BACK, 0); | |
1744 | input_report_key(mydata->input, BTN_FORWARD, 0); | |
1745 | input_report_key(mydata->input, BTN_MIDDLE, 0); | |
1746 | break; | |
1747 | default: | |
1748 | hid_err(hdev, "error in report\n"); | |
1749 | return 0; | |
1750 | } | |
1751 | input_sync(mydata->input); | |
1752 | ||
1753 | } else if (data[0] == 0x02) { | |
1754 | /* | |
1755 | * Logitech M560 mouse report | |
1756 | * | |
1757 | * data[0] = type (0x02) | |
1758 | * data[1..2] = buttons | |
1759 | * data[3..5] = xy | |
1760 | * data[6] = wheel | |
1761 | */ | |
1762 | ||
1763 | int v; | |
1764 | ||
1765 | input_report_key(mydata->input, BTN_LEFT, | |
1766 | !!(data[1] & M560_MOUSE_BTN_LEFT)); | |
1767 | input_report_key(mydata->input, BTN_RIGHT, | |
1768 | !!(data[1] & M560_MOUSE_BTN_RIGHT)); | |
1769 | ||
1770 | if (data[1] & M560_MOUSE_BTN_WHEEL_LEFT) | |
1771 | input_report_rel(mydata->input, REL_HWHEEL, -1); | |
1772 | else if (data[1] & M560_MOUSE_BTN_WHEEL_RIGHT) | |
1773 | input_report_rel(mydata->input, REL_HWHEEL, 1); | |
1774 | ||
1775 | v = hid_snto32(hid_field_extract(hdev, data+3, 0, 12), 12); | |
1776 | input_report_rel(mydata->input, REL_X, v); | |
1777 | ||
1778 | v = hid_snto32(hid_field_extract(hdev, data+3, 12, 12), 12); | |
1779 | input_report_rel(mydata->input, REL_Y, v); | |
1780 | ||
1781 | v = hid_snto32(data[6], 8); | |
1782 | input_report_rel(mydata->input, REL_WHEEL, v); | |
1783 | ||
1784 | input_sync(mydata->input); | |
1785 | } | |
1786 | ||
1787 | return 1; | |
1788 | } | |
1789 | ||
1790 | static void m560_populate_input(struct hidpp_device *hidpp, | |
1791 | struct input_dev *input_dev, bool origin_is_hid_core) | |
1792 | { | |
1793 | struct m560_private_data *mydata = hidpp->private_data; | |
1794 | ||
1795 | mydata->input = input_dev; | |
1796 | ||
1797 | __set_bit(EV_KEY, mydata->input->evbit); | |
1798 | __set_bit(BTN_MIDDLE, mydata->input->keybit); | |
1799 | __set_bit(BTN_RIGHT, mydata->input->keybit); | |
1800 | __set_bit(BTN_LEFT, mydata->input->keybit); | |
1801 | __set_bit(BTN_BACK, mydata->input->keybit); | |
1802 | __set_bit(BTN_FORWARD, mydata->input->keybit); | |
1803 | ||
1804 | __set_bit(EV_REL, mydata->input->evbit); | |
1805 | __set_bit(REL_X, mydata->input->relbit); | |
1806 | __set_bit(REL_Y, mydata->input->relbit); | |
1807 | __set_bit(REL_WHEEL, mydata->input->relbit); | |
1808 | __set_bit(REL_HWHEEL, mydata->input->relbit); | |
1809 | } | |
1810 | ||
1811 | static int m560_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
1812 | struct hid_field *field, struct hid_usage *usage, | |
1813 | unsigned long **bit, int *max) | |
1814 | { | |
1815 | return -1; | |
1816 | } | |
1817 | ||
90cdd986 BT |
1818 | /* ------------------------------------------------------------------------- */ |
1819 | /* Logitech K400 devices */ | |
1820 | /* ------------------------------------------------------------------------- */ | |
1821 | ||
1822 | /* | |
1823 | * The Logitech K400 keyboard has an embedded touchpad which is seen | |
1824 | * as a mouse from the OS point of view. There is a hardware shortcut to disable | |
1825 | * tap-to-click but the setting is not remembered accross reset, annoying some | |
1826 | * users. | |
1827 | * | |
1828 | * We can toggle this feature from the host by using the feature 0x6010: | |
1829 | * Touchpad FW items | |
1830 | */ | |
1831 | ||
1832 | struct k400_private_data { | |
1833 | u8 feature_index; | |
1834 | }; | |
1835 | ||
1836 | static int k400_disable_tap_to_click(struct hidpp_device *hidpp) | |
1837 | { | |
1838 | struct k400_private_data *k400 = hidpp->private_data; | |
1839 | struct hidpp_touchpad_fw_items items = {}; | |
1840 | int ret; | |
1841 | u8 feature_type; | |
1842 | ||
1843 | if (!k400->feature_index) { | |
1844 | ret = hidpp_root_get_feature(hidpp, | |
1845 | HIDPP_PAGE_TOUCHPAD_FW_ITEMS, | |
1846 | &k400->feature_index, &feature_type); | |
1847 | if (ret) | |
1848 | /* means that the device is not powered up */ | |
1849 | return ret; | |
1850 | } | |
1851 | ||
1852 | ret = hidpp_touchpad_fw_items_set(hidpp, k400->feature_index, &items); | |
1853 | if (ret) | |
1854 | return ret; | |
1855 | ||
1856 | return 0; | |
1857 | } | |
1858 | ||
1859 | static int k400_allocate(struct hid_device *hdev) | |
1860 | { | |
1861 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
1862 | struct k400_private_data *k400; | |
1863 | ||
1864 | k400 = devm_kzalloc(&hdev->dev, sizeof(struct k400_private_data), | |
1865 | GFP_KERNEL); | |
1866 | if (!k400) | |
1867 | return -ENOMEM; | |
1868 | ||
1869 | hidpp->private_data = k400; | |
1870 | ||
1871 | return 0; | |
1872 | }; | |
1873 | ||
1874 | static int k400_connect(struct hid_device *hdev, bool connected) | |
1875 | { | |
1876 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
1877 | ||
1878 | if (!connected) | |
1879 | return 0; | |
1880 | ||
1881 | if (!disable_tap_to_click) | |
1882 | return 0; | |
1883 | ||
1884 | return k400_disable_tap_to_click(hidpp); | |
1885 | } | |
1886 | ||
7f4b49fe SW |
1887 | /* ------------------------------------------------------------------------- */ |
1888 | /* Logitech G920 Driving Force Racing Wheel for Xbox One */ | |
1889 | /* ------------------------------------------------------------------------- */ | |
1890 | ||
1891 | #define HIDPP_PAGE_G920_FORCE_FEEDBACK 0x8123 | |
1892 | ||
7f4b49fe SW |
1893 | static int g920_get_config(struct hidpp_device *hidpp) |
1894 | { | |
7f4b49fe SW |
1895 | u8 feature_type; |
1896 | u8 feature_index; | |
1897 | int ret; | |
1898 | ||
7f4b49fe SW |
1899 | /* Find feature and store for later use */ |
1900 | ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_G920_FORCE_FEEDBACK, | |
1901 | &feature_index, &feature_type); | |
1902 | if (ret) | |
1903 | return ret; | |
1904 | ||
ff21a635 | 1905 | ret = hidpp_ff_init(hidpp, feature_index); |
7f4b49fe | 1906 | if (ret) |
ff21a635 EV |
1907 | hid_warn(hidpp->hid_dev, "Unable to initialize force feedback support, errno %d\n", |
1908 | ret); | |
7f4b49fe SW |
1909 | |
1910 | return 0; | |
1911 | } | |
1912 | ||
2f31c525 BT |
1913 | /* -------------------------------------------------------------------------- */ |
1914 | /* Generic HID++ devices */ | |
1915 | /* -------------------------------------------------------------------------- */ | |
1916 | ||
1917 | static int hidpp_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
1918 | struct hid_field *field, struct hid_usage *usage, | |
1919 | unsigned long **bit, int *max) | |
1920 | { | |
1921 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
1922 | ||
1923 | if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) | |
1924 | return wtp_input_mapping(hdev, hi, field, usage, bit, max); | |
8a09b4fa GB |
1925 | else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560 && |
1926 | field->application != HID_GD_MOUSE) | |
1927 | return m560_input_mapping(hdev, hi, field, usage, bit, max); | |
2f31c525 BT |
1928 | |
1929 | return 0; | |
1930 | } | |
1931 | ||
0b1804e3 SW |
1932 | static int hidpp_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
1933 | struct hid_field *field, struct hid_usage *usage, | |
1934 | unsigned long **bit, int *max) | |
1935 | { | |
1936 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
1937 | ||
1938 | /* Ensure that Logitech G920 is not given a default fuzz/flat value */ | |
1939 | if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) { | |
1940 | if (usage->type == EV_ABS && (usage->code == ABS_X || | |
1941 | usage->code == ABS_Y || usage->code == ABS_Z || | |
1942 | usage->code == ABS_RZ)) { | |
1943 | field->application = HID_GD_MULTIAXIS; | |
1944 | } | |
1945 | } | |
1946 | ||
1947 | return 0; | |
1948 | } | |
1949 | ||
1950 | ||
c39e3d5f BT |
1951 | static void hidpp_populate_input(struct hidpp_device *hidpp, |
1952 | struct input_dev *input, bool origin_is_hid_core) | |
1953 | { | |
1954 | if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) | |
1955 | wtp_populate_input(hidpp, input, origin_is_hid_core); | |
8a09b4fa GB |
1956 | else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560) |
1957 | m560_populate_input(hidpp, input, origin_is_hid_core); | |
c39e3d5f BT |
1958 | } |
1959 | ||
b2c68a2f | 1960 | static int hidpp_input_configured(struct hid_device *hdev, |
2f31c525 BT |
1961 | struct hid_input *hidinput) |
1962 | { | |
1963 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
c39e3d5f | 1964 | struct input_dev *input = hidinput->input; |
2f31c525 | 1965 | |
c39e3d5f | 1966 | hidpp_populate_input(hidpp, input, true); |
b2c68a2f DT |
1967 | |
1968 | return 0; | |
2f31c525 BT |
1969 | } |
1970 | ||
1971 | static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data, | |
1972 | int size) | |
1973 | { | |
1974 | struct hidpp_report *question = hidpp->send_receive_buf; | |
1975 | struct hidpp_report *answer = hidpp->send_receive_buf; | |
1976 | struct hidpp_report *report = (struct hidpp_report *)data; | |
1977 | ||
1978 | /* | |
1979 | * If the mutex is locked then we have a pending answer from a | |
e529fea9 | 1980 | * previously sent command. |
2f31c525 BT |
1981 | */ |
1982 | if (unlikely(mutex_is_locked(&hidpp->send_mutex))) { | |
1983 | /* | |
1984 | * Check for a correct hidpp20 answer or the corresponding | |
1985 | * error | |
1986 | */ | |
1987 | if (hidpp_match_answer(question, report) || | |
1988 | hidpp_match_error(question, report)) { | |
1989 | *answer = *report; | |
1990 | hidpp->answer_available = true; | |
1991 | wake_up(&hidpp->wait); | |
1992 | /* | |
1993 | * This was an answer to a command that this driver sent | |
1994 | * We return 1 to hid-core to avoid forwarding the | |
1995 | * command upstream as it has been treated by the driver | |
1996 | */ | |
1997 | ||
1998 | return 1; | |
1999 | } | |
2000 | } | |
2001 | ||
c39e3d5f BT |
2002 | if (unlikely(hidpp_report_is_connect_event(report))) { |
2003 | atomic_set(&hidpp->connected, | |
2004 | !(report->rap.params[0] & (1 << 6))); | |
580a7e82 | 2005 | if ((hidpp->quirks & HIDPP_QUIRK_CONNECT_EVENTS) && |
c39e3d5f BT |
2006 | (schedule_work(&hidpp->work) == 0)) |
2007 | dbg_hid("%s: connect event already queued\n", __func__); | |
2008 | return 1; | |
2009 | } | |
2010 | ||
2f31c525 BT |
2011 | return 0; |
2012 | } | |
2013 | ||
2014 | static int hidpp_raw_event(struct hid_device *hdev, struct hid_report *report, | |
2015 | u8 *data, int size) | |
2016 | { | |
2017 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
e529fea9 | 2018 | int ret = 0; |
2f31c525 | 2019 | |
e529fea9 | 2020 | /* Generic HID++ processing. */ |
2f31c525 | 2021 | switch (data[0]) { |
a5ce8f5b SW |
2022 | case REPORT_ID_HIDPP_VERY_LONG: |
2023 | if (size != HIDPP_REPORT_VERY_LONG_LENGTH) { | |
2024 | hid_err(hdev, "received hid++ report of bad size (%d)", | |
2025 | size); | |
2026 | return 1; | |
2027 | } | |
2028 | ret = hidpp_raw_hidpp_event(hidpp, data, size); | |
2029 | break; | |
2f31c525 BT |
2030 | case REPORT_ID_HIDPP_LONG: |
2031 | if (size != HIDPP_REPORT_LONG_LENGTH) { | |
2032 | hid_err(hdev, "received hid++ report of bad size (%d)", | |
2033 | size); | |
2034 | return 1; | |
2035 | } | |
e529fea9 PW |
2036 | ret = hidpp_raw_hidpp_event(hidpp, data, size); |
2037 | break; | |
2f31c525 BT |
2038 | case REPORT_ID_HIDPP_SHORT: |
2039 | if (size != HIDPP_REPORT_SHORT_LENGTH) { | |
2040 | hid_err(hdev, "received hid++ report of bad size (%d)", | |
2041 | size); | |
2042 | return 1; | |
2043 | } | |
e529fea9 PW |
2044 | ret = hidpp_raw_hidpp_event(hidpp, data, size); |
2045 | break; | |
2f31c525 BT |
2046 | } |
2047 | ||
e529fea9 PW |
2048 | /* If no report is available for further processing, skip calling |
2049 | * raw_event of subclasses. */ | |
2050 | if (ret != 0) | |
2051 | return ret; | |
2052 | ||
2f31c525 BT |
2053 | if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) |
2054 | return wtp_raw_event(hdev, data, size); | |
8a09b4fa GB |
2055 | else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560) |
2056 | return m560_raw_event(hdev, data, size); | |
2f31c525 BT |
2057 | |
2058 | return 0; | |
2059 | } | |
2060 | ||
33797820 | 2061 | static void hidpp_overwrite_name(struct hid_device *hdev, bool use_unifying) |
2f31c525 BT |
2062 | { |
2063 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
2064 | char *name; | |
2f31c525 | 2065 | |
33797820 BT |
2066 | if (use_unifying) |
2067 | /* | |
2068 | * the device is connected through an Unifying receiver, and | |
2069 | * might not be already connected. | |
2070 | * Ask the receiver for its name. | |
2071 | */ | |
2072 | name = hidpp_get_unifying_name(hidpp); | |
2073 | else | |
02cc097e | 2074 | name = hidpp_get_device_name(hidpp); |
2f31c525 | 2075 | |
7bfd2927 | 2076 | if (!name) { |
2f31c525 | 2077 | hid_err(hdev, "unable to retrieve the name of the device"); |
7bfd2927 SW |
2078 | } else { |
2079 | dbg_hid("HID++: Got name: %s\n", name); | |
2f31c525 | 2080 | snprintf(hdev->name, sizeof(hdev->name), "%s", name); |
7bfd2927 | 2081 | } |
2f31c525 BT |
2082 | |
2083 | kfree(name); | |
2084 | } | |
2085 | ||
c39e3d5f BT |
2086 | static int hidpp_input_open(struct input_dev *dev) |
2087 | { | |
2088 | struct hid_device *hid = input_get_drvdata(dev); | |
2089 | ||
2090 | return hid_hw_open(hid); | |
2091 | } | |
2092 | ||
2093 | static void hidpp_input_close(struct input_dev *dev) | |
2094 | { | |
2095 | struct hid_device *hid = input_get_drvdata(dev); | |
2096 | ||
2097 | hid_hw_close(hid); | |
2098 | } | |
2099 | ||
2100 | static struct input_dev *hidpp_allocate_input(struct hid_device *hdev) | |
2101 | { | |
2102 | struct input_dev *input_dev = devm_input_allocate_device(&hdev->dev); | |
005b3f57 | 2103 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); |
c39e3d5f BT |
2104 | |
2105 | if (!input_dev) | |
2106 | return NULL; | |
2107 | ||
2108 | input_set_drvdata(input_dev, hdev); | |
2109 | input_dev->open = hidpp_input_open; | |
2110 | input_dev->close = hidpp_input_close; | |
2111 | ||
005b3f57 | 2112 | input_dev->name = hidpp->name; |
c39e3d5f BT |
2113 | input_dev->phys = hdev->phys; |
2114 | input_dev->uniq = hdev->uniq; | |
2115 | input_dev->id.bustype = hdev->bus; | |
2116 | input_dev->id.vendor = hdev->vendor; | |
2117 | input_dev->id.product = hdev->product; | |
2118 | input_dev->id.version = hdev->version; | |
2119 | input_dev->dev.parent = &hdev->dev; | |
2120 | ||
2121 | return input_dev; | |
2122 | } | |
2123 | ||
2124 | static void hidpp_connect_event(struct hidpp_device *hidpp) | |
2125 | { | |
2126 | struct hid_device *hdev = hidpp->hid_dev; | |
2127 | int ret = 0; | |
2128 | bool connected = atomic_read(&hidpp->connected); | |
2129 | struct input_dev *input; | |
2130 | char *name, *devm_name; | |
c39e3d5f | 2131 | |
bf159447 BT |
2132 | if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) { |
2133 | ret = wtp_connect(hdev, connected); | |
2134 | if (ret) | |
2135 | return; | |
8a09b4fa GB |
2136 | } else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560) { |
2137 | ret = m560_send_config_command(hdev, connected); | |
2138 | if (ret) | |
2139 | return; | |
90cdd986 BT |
2140 | } else if (hidpp->quirks & HIDPP_QUIRK_CLASS_K400) { |
2141 | ret = k400_connect(hdev, connected); | |
2142 | if (ret) | |
2143 | return; | |
bf159447 | 2144 | } |
586bdc4e | 2145 | |
c39e3d5f BT |
2146 | if (!connected || hidpp->delayed_input) |
2147 | return; | |
2148 | ||
580a7e82 BT |
2149 | /* the device is already connected, we can ask for its name and |
2150 | * protocol */ | |
c39e3d5f BT |
2151 | if (!hidpp->protocol_major) { |
2152 | ret = !hidpp_is_connected(hidpp); | |
2153 | if (ret) { | |
2154 | hid_err(hdev, "Can not get the protocol version.\n"); | |
2155 | return; | |
2156 | } | |
580a7e82 BT |
2157 | hid_info(hdev, "HID++ %u.%u device connected.\n", |
2158 | hidpp->protocol_major, hidpp->protocol_minor); | |
c39e3d5f BT |
2159 | } |
2160 | ||
580a7e82 BT |
2161 | if (!(hidpp->quirks & HIDPP_QUIRK_NO_HIDINPUT)) |
2162 | /* if HID created the input nodes for us, we can stop now */ | |
2163 | return; | |
c39e3d5f | 2164 | |
005b3f57 BT |
2165 | if (!hidpp->name || hidpp->name == hdev->name) { |
2166 | name = hidpp_get_device_name(hidpp); | |
2167 | if (!name) { | |
2168 | hid_err(hdev, | |
2169 | "unable to retrieve the name of the device"); | |
2170 | return; | |
2171 | } | |
2172 | ||
2173 | devm_name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s", name); | |
2174 | kfree(name); | |
2175 | if (!devm_name) | |
2176 | return; | |
2177 | ||
2178 | hidpp->name = devm_name; | |
2179 | } | |
2180 | ||
c39e3d5f BT |
2181 | input = hidpp_allocate_input(hdev); |
2182 | if (!input) { | |
2183 | hid_err(hdev, "cannot allocate new input device: %d\n", ret); | |
2184 | return; | |
2185 | } | |
2186 | ||
c39e3d5f BT |
2187 | hidpp_populate_input(hidpp, input, false); |
2188 | ||
2189 | ret = input_register_device(input); | |
2190 | if (ret) | |
2191 | input_free_device(input); | |
2192 | ||
2193 | hidpp->delayed_input = input; | |
2194 | } | |
2195 | ||
2f31c525 BT |
2196 | static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) |
2197 | { | |
2198 | struct hidpp_device *hidpp; | |
2199 | int ret; | |
2200 | bool connected; | |
c39e3d5f | 2201 | unsigned int connect_mask = HID_CONNECT_DEFAULT; |
2f31c525 BT |
2202 | |
2203 | hidpp = devm_kzalloc(&hdev->dev, sizeof(struct hidpp_device), | |
2204 | GFP_KERNEL); | |
2205 | if (!hidpp) | |
2206 | return -ENOMEM; | |
2207 | ||
2208 | hidpp->hid_dev = hdev; | |
005b3f57 | 2209 | hidpp->name = hdev->name; |
2f31c525 BT |
2210 | hid_set_drvdata(hdev, hidpp); |
2211 | ||
2212 | hidpp->quirks = id->driver_data; | |
2213 | ||
9188dbae BT |
2214 | if (disable_raw_mode) { |
2215 | hidpp->quirks &= ~HIDPP_QUIRK_CLASS_WTP; | |
580a7e82 BT |
2216 | hidpp->quirks &= ~HIDPP_QUIRK_CONNECT_EVENTS; |
2217 | hidpp->quirks &= ~HIDPP_QUIRK_NO_HIDINPUT; | |
9188dbae BT |
2218 | } |
2219 | ||
2f31c525 BT |
2220 | if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) { |
2221 | ret = wtp_allocate(hdev, id); | |
2222 | if (ret) | |
8a09b4fa GB |
2223 | goto allocate_fail; |
2224 | } else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560) { | |
2225 | ret = m560_allocate(hdev); | |
2226 | if (ret) | |
2227 | goto allocate_fail; | |
90cdd986 BT |
2228 | } else if (hidpp->quirks & HIDPP_QUIRK_CLASS_K400) { |
2229 | ret = k400_allocate(hdev); | |
2230 | if (ret) | |
2231 | goto allocate_fail; | |
2f31c525 BT |
2232 | } |
2233 | ||
c39e3d5f | 2234 | INIT_WORK(&hidpp->work, delayed_work_cb); |
2f31c525 BT |
2235 | mutex_init(&hidpp->send_mutex); |
2236 | init_waitqueue_head(&hidpp->wait); | |
2237 | ||
2238 | ret = hid_parse(hdev); | |
2239 | if (ret) { | |
2240 | hid_err(hdev, "%s:parse failed\n", __func__); | |
2241 | goto hid_parse_fail; | |
2242 | } | |
2243 | ||
7bfd2927 SW |
2244 | if (hidpp->quirks & HIDPP_QUIRK_NO_HIDINPUT) |
2245 | connect_mask &= ~HID_CONNECT_HIDINPUT; | |
2246 | ||
2247 | if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) { | |
2248 | ret = hid_hw_start(hdev, connect_mask); | |
2249 | if (ret) { | |
2250 | hid_err(hdev, "hw start failed\n"); | |
2251 | goto hid_hw_start_fail; | |
2252 | } | |
2253 | ret = hid_hw_open(hdev); | |
2254 | if (ret < 0) { | |
2255 | dev_err(&hdev->dev, "%s:hid_hw_open returned error:%d\n", | |
2256 | __func__, ret); | |
2257 | hid_hw_stop(hdev); | |
2258 | goto hid_hw_start_fail; | |
2259 | } | |
2260 | } | |
2261 | ||
2262 | ||
2f31c525 BT |
2263 | /* Allow incoming packets */ |
2264 | hid_device_io_start(hdev); | |
2265 | ||
2266 | connected = hidpp_is_connected(hidpp); | |
ab94e562 BT |
2267 | if (id->group != HID_GROUP_LOGITECH_DJ_DEVICE) { |
2268 | if (!connected) { | |
b832da56 | 2269 | ret = -ENODEV; |
ab94e562 | 2270 | hid_err(hdev, "Device not connected"); |
7bfd2927 | 2271 | goto hid_hw_open_failed; |
ab94e562 | 2272 | } |
2f31c525 | 2273 | |
ab94e562 BT |
2274 | hid_info(hdev, "HID++ %u.%u device connected.\n", |
2275 | hidpp->protocol_major, hidpp->protocol_minor); | |
ab94e562 | 2276 | } |
2f31c525 | 2277 | |
33797820 | 2278 | hidpp_overwrite_name(hdev, id->group == HID_GROUP_LOGITECH_DJ_DEVICE); |
c39e3d5f | 2279 | atomic_set(&hidpp->connected, connected); |
33797820 | 2280 | |
c39e3d5f | 2281 | if (connected && (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)) { |
2f31c525 BT |
2282 | ret = wtp_get_config(hidpp); |
2283 | if (ret) | |
7bfd2927 | 2284 | goto hid_hw_open_failed; |
7f4b49fe SW |
2285 | } else if (connected && (hidpp->quirks & HIDPP_QUIRK_CLASS_G920)) { |
2286 | ret = g920_get_config(hidpp); | |
2287 | if (ret) | |
2288 | goto hid_hw_open_failed; | |
2f31c525 BT |
2289 | } |
2290 | ||
2291 | /* Block incoming packets */ | |
2292 | hid_device_io_stop(hdev); | |
2293 | ||
7bfd2927 SW |
2294 | if (!(hidpp->quirks & HIDPP_QUIRK_CLASS_G920)) { |
2295 | ret = hid_hw_start(hdev, connect_mask); | |
2296 | if (ret) { | |
2297 | hid_err(hdev, "%s:hid_hw_start returned error\n", __func__); | |
2298 | goto hid_hw_start_fail; | |
2299 | } | |
2f31c525 BT |
2300 | } |
2301 | ||
580a7e82 | 2302 | if (hidpp->quirks & HIDPP_QUIRK_CONNECT_EVENTS) { |
c39e3d5f BT |
2303 | /* Allow incoming packets */ |
2304 | hid_device_io_start(hdev); | |
2305 | ||
2306 | hidpp_connect_event(hidpp); | |
2307 | } | |
2308 | ||
2f31c525 BT |
2309 | return ret; |
2310 | ||
7bfd2927 SW |
2311 | hid_hw_open_failed: |
2312 | hid_device_io_stop(hdev); | |
2313 | if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) { | |
2314 | hid_hw_close(hdev); | |
2315 | hid_hw_stop(hdev); | |
2316 | } | |
2f31c525 BT |
2317 | hid_hw_start_fail: |
2318 | hid_parse_fail: | |
c39e3d5f | 2319 | cancel_work_sync(&hidpp->work); |
2f31c525 | 2320 | mutex_destroy(&hidpp->send_mutex); |
8a09b4fa | 2321 | allocate_fail: |
2f31c525 BT |
2322 | hid_set_drvdata(hdev, NULL); |
2323 | return ret; | |
2324 | } | |
2325 | ||
2326 | static void hidpp_remove(struct hid_device *hdev) | |
2327 | { | |
2328 | struct hidpp_device *hidpp = hid_get_drvdata(hdev); | |
2329 | ||
7f4b49fe | 2330 | if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) { |
ff21a635 | 2331 | hidpp_ff_deinit(hdev); |
7bfd2927 | 2332 | hid_hw_close(hdev); |
7f4b49fe | 2333 | } |
7bfd2927 | 2334 | hid_hw_stop(hdev); |
c39e3d5f | 2335 | cancel_work_sync(&hidpp->work); |
2f31c525 | 2336 | mutex_destroy(&hidpp->send_mutex); |
2f31c525 BT |
2337 | } |
2338 | ||
2339 | static const struct hid_device_id hidpp_devices[] = { | |
57ac86cf BT |
2340 | { /* wireless touchpad */ |
2341 | HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_DJ_DEVICE, | |
2342 | USB_VENDOR_ID_LOGITECH, 0x4011), | |
2343 | .driver_data = HIDPP_QUIRK_CLASS_WTP | HIDPP_QUIRK_DELAYED_INIT | | |
2344 | HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS }, | |
586bdc4e BT |
2345 | { /* wireless touchpad T650 */ |
2346 | HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_DJ_DEVICE, | |
2347 | USB_VENDOR_ID_LOGITECH, 0x4101), | |
2348 | .driver_data = HIDPP_QUIRK_CLASS_WTP | HIDPP_QUIRK_DELAYED_INIT }, | |
2f31c525 BT |
2349 | { /* wireless touchpad T651 */ |
2350 | HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, | |
2351 | USB_DEVICE_ID_LOGITECH_T651), | |
2352 | .driver_data = HIDPP_QUIRK_CLASS_WTP }, | |
8a09b4fa | 2353 | { /* Mouse logitech M560 */ |
3a61e975 | 2354 | HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_DJ_DEVICE, |
8a09b4fa GB |
2355 | USB_VENDOR_ID_LOGITECH, 0x402d), |
2356 | .driver_data = HIDPP_QUIRK_DELAYED_INIT | HIDPP_QUIRK_CLASS_M560 }, | |
90cdd986 BT |
2357 | { /* Keyboard logitech K400 */ |
2358 | HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_DJ_DEVICE, | |
2359 | USB_VENDOR_ID_LOGITECH, 0x4024), | |
2360 | .driver_data = HIDPP_QUIRK_CONNECT_EVENTS | HIDPP_QUIRK_CLASS_K400 }, | |
ab94e562 BT |
2361 | |
2362 | { HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_DJ_DEVICE, | |
2363 | USB_VENDOR_ID_LOGITECH, HID_ANY_ID)}, | |
7bfd2927 SW |
2364 | |
2365 | { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL), | |
2366 | .driver_data = HIDPP_QUIRK_CLASS_G920 | HIDPP_QUIRK_FORCE_OUTPUT_REPORTS}, | |
2f31c525 BT |
2367 | {} |
2368 | }; | |
2369 | ||
2370 | MODULE_DEVICE_TABLE(hid, hidpp_devices); | |
2371 | ||
2372 | static struct hid_driver hidpp_driver = { | |
2373 | .name = "logitech-hidpp-device", | |
2374 | .id_table = hidpp_devices, | |
2375 | .probe = hidpp_probe, | |
2376 | .remove = hidpp_remove, | |
2377 | .raw_event = hidpp_raw_event, | |
2378 | .input_configured = hidpp_input_configured, | |
2379 | .input_mapping = hidpp_input_mapping, | |
0b1804e3 | 2380 | .input_mapped = hidpp_input_mapped, |
2f31c525 BT |
2381 | }; |
2382 | ||
2383 | module_hid_driver(hidpp_driver); |