Commit | Line | Data |
---|---|---|
2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
0e70f97f SA |
2 | /* |
3 | * Roccat Kova[+] driver for Linux | |
4 | * | |
5 | * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net> | |
6 | */ | |
7 | ||
8 | /* | |
0e70f97f SA |
9 | */ |
10 | ||
11 | /* | |
12 | * Roccat Kova[+] is a bigger version of the Pyra with two more side buttons. | |
13 | */ | |
14 | ||
15 | #include <linux/device.h> | |
16 | #include <linux/input.h> | |
17 | #include <linux/hid.h> | |
18 | #include <linux/module.h> | |
19 | #include <linux/slab.h> | |
5dc0c983 | 20 | #include <linux/hid-roccat.h> |
0e70f97f | 21 | #include "hid-ids.h" |
0e70f97f SA |
22 | #include "hid-roccat-common.h" |
23 | #include "hid-roccat-kovaplus.h" | |
24 | ||
25 | static uint profile_numbers[5] = {0, 1, 2, 3, 4}; | |
26 | ||
27 | static struct class *kovaplus_class; | |
28 | ||
29 | static uint kovaplus_convert_event_cpi(uint value) | |
30 | { | |
31 | return (value == 7 ? 4 : (value == 4 ? 3 : value)); | |
32 | } | |
33 | ||
34 | static void kovaplus_profile_activated(struct kovaplus_device *kovaplus, | |
35 | uint new_profile_index) | |
36 | { | |
7ad81482 DC |
37 | if (new_profile_index >= ARRAY_SIZE(kovaplus->profile_settings)) |
38 | return; | |
0e70f97f SA |
39 | kovaplus->actual_profile = new_profile_index; |
40 | kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level; | |
41 | kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x; | |
42 | kovaplus->actual_y_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_y; | |
43 | } | |
44 | ||
45 | static int kovaplus_send_control(struct usb_device *usb_dev, uint value, | |
46 | enum kovaplus_control_requests request) | |
47 | { | |
48 | int retval; | |
7392d73b | 49 | struct roccat_common2_control control; |
0e70f97f SA |
50 | |
51 | if ((request == KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS || | |
52 | request == KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS) && | |
53 | value > 4) | |
54 | return -EINVAL; | |
55 | ||
4728f2dc | 56 | control.command = ROCCAT_COMMON_COMMAND_CONTROL; |
0e70f97f SA |
57 | control.value = value; |
58 | control.request = request; | |
59 | ||
7392d73b SA |
60 | retval = roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL, |
61 | &control, sizeof(struct roccat_common2_control)); | |
0e70f97f SA |
62 | |
63 | return retval; | |
64 | } | |
65 | ||
0e70f97f SA |
66 | static int kovaplus_select_profile(struct usb_device *usb_dev, uint number, |
67 | enum kovaplus_control_requests request) | |
68 | { | |
69 | return kovaplus_send_control(usb_dev, number, request); | |
70 | } | |
71 | ||
0e70f97f SA |
72 | static int kovaplus_get_profile_settings(struct usb_device *usb_dev, |
73 | struct kovaplus_profile_settings *buf, uint number) | |
74 | { | |
75 | int retval; | |
76 | ||
77 | retval = kovaplus_select_profile(usb_dev, number, | |
78 | KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); | |
79 | if (retval) | |
80 | return retval; | |
81 | ||
7392d73b | 82 | return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS, |
94a8fcf9 | 83 | buf, KOVAPLUS_SIZE_PROFILE_SETTINGS); |
0e70f97f SA |
84 | } |
85 | ||
86 | static int kovaplus_get_profile_buttons(struct usb_device *usb_dev, | |
87 | struct kovaplus_profile_buttons *buf, int number) | |
88 | { | |
89 | int retval; | |
90 | ||
91 | retval = kovaplus_select_profile(usb_dev, number, | |
92 | KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); | |
93 | if (retval) | |
94 | return retval; | |
95 | ||
7392d73b | 96 | return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS, |
94a8fcf9 | 97 | buf, KOVAPLUS_SIZE_PROFILE_BUTTONS); |
0e70f97f SA |
98 | } |
99 | ||
100 | /* retval is 0-4 on success, < 0 on error */ | |
101 | static int kovaplus_get_actual_profile(struct usb_device *usb_dev) | |
102 | { | |
103 | struct kovaplus_actual_profile buf; | |
104 | int retval; | |
105 | ||
7392d73b | 106 | retval = roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_ACTUAL_PROFILE, |
0e70f97f SA |
107 | &buf, sizeof(struct kovaplus_actual_profile)); |
108 | ||
109 | return retval ? retval : buf.actual_profile; | |
110 | } | |
111 | ||
112 | static int kovaplus_set_actual_profile(struct usb_device *usb_dev, | |
113 | int new_profile) | |
114 | { | |
115 | struct kovaplus_actual_profile buf; | |
116 | ||
117 | buf.command = KOVAPLUS_COMMAND_ACTUAL_PROFILE; | |
118 | buf.size = sizeof(struct kovaplus_actual_profile); | |
119 | buf.actual_profile = new_profile; | |
120 | ||
7392d73b | 121 | return roccat_common2_send_with_status(usb_dev, |
4728f2dc | 122 | KOVAPLUS_COMMAND_ACTUAL_PROFILE, |
0e70f97f SA |
123 | &buf, sizeof(struct kovaplus_actual_profile)); |
124 | } | |
125 | ||
94a8fcf9 SA |
126 | static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj, |
127 | char *buf, loff_t off, size_t count, | |
128 | size_t real_size, uint command) | |
0e70f97f | 129 | { |
2cf83833 | 130 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
0e70f97f | 131 | struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); |
94a8fcf9 SA |
132 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
133 | int retval; | |
0e70f97f | 134 | |
94a8fcf9 | 135 | if (off >= real_size) |
0e70f97f SA |
136 | return 0; |
137 | ||
94a8fcf9 SA |
138 | if (off != 0 || count != real_size) |
139 | return -EINVAL; | |
0e70f97f SA |
140 | |
141 | mutex_lock(&kovaplus->kovaplus_lock); | |
94a8fcf9 | 142 | retval = roccat_common2_receive(usb_dev, command, buf, real_size); |
0e70f97f SA |
143 | mutex_unlock(&kovaplus->kovaplus_lock); |
144 | ||
94a8fcf9 SA |
145 | if (retval) |
146 | return retval; | |
147 | ||
148 | return real_size; | |
0e70f97f SA |
149 | } |
150 | ||
94a8fcf9 SA |
151 | static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj, |
152 | void const *buf, loff_t off, size_t count, | |
153 | size_t real_size, uint command) | |
0e70f97f | 154 | { |
2cf83833 | 155 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
0e70f97f SA |
156 | struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); |
157 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
94a8fcf9 | 158 | int retval; |
0e70f97f | 159 | |
94a8fcf9 | 160 | if (off != 0 || count != real_size) |
0e70f97f SA |
161 | return -EINVAL; |
162 | ||
0e70f97f | 163 | mutex_lock(&kovaplus->kovaplus_lock); |
94a8fcf9 SA |
164 | retval = roccat_common2_send_with_status(usb_dev, command, |
165 | buf, real_size); | |
0e70f97f SA |
166 | mutex_unlock(&kovaplus->kovaplus_lock); |
167 | ||
168 | if (retval) | |
169 | return retval; | |
170 | ||
94a8fcf9 | 171 | return real_size; |
0e70f97f SA |
172 | } |
173 | ||
94a8fcf9 SA |
174 | #define KOVAPLUS_SYSFS_W(thingy, THINGY) \ |
175 | static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \ | |
176 | struct kobject *kobj, struct bin_attribute *attr, char *buf, \ | |
177 | loff_t off, size_t count) \ | |
178 | { \ | |
179 | return kovaplus_sysfs_write(fp, kobj, buf, off, count, \ | |
180 | KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \ | |
181 | } | |
0e70f97f | 182 | |
94a8fcf9 SA |
183 | #define KOVAPLUS_SYSFS_R(thingy, THINGY) \ |
184 | static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \ | |
185 | struct kobject *kobj, struct bin_attribute *attr, char *buf, \ | |
186 | loff_t off, size_t count) \ | |
187 | { \ | |
188 | return kovaplus_sysfs_read(fp, kobj, buf, off, count, \ | |
189 | KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \ | |
190 | } | |
0e70f97f | 191 | |
94a8fcf9 SA |
192 | #define KOVAPLUS_SYSFS_RW(thingy, THINGY) \ |
193 | KOVAPLUS_SYSFS_W(thingy, THINGY) \ | |
194 | KOVAPLUS_SYSFS_R(thingy, THINGY) | |
0e70f97f | 195 | |
94a8fcf9 | 196 | #define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \ |
975b53cc GKH |
197 | KOVAPLUS_SYSFS_RW(thingy, THINGY); \ |
198 | static struct bin_attribute bin_attr_##thingy = { \ | |
94a8fcf9 SA |
199 | .attr = { .name = #thingy, .mode = 0660 }, \ |
200 | .size = KOVAPLUS_SIZE_ ## THINGY, \ | |
201 | .read = kovaplus_sysfs_read_ ## thingy, \ | |
202 | .write = kovaplus_sysfs_write_ ## thingy \ | |
203 | } | |
204 | ||
94a8fcf9 | 205 | #define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \ |
975b53cc GKH |
206 | KOVAPLUS_SYSFS_W(thingy, THINGY); \ |
207 | static struct bin_attribute bin_attr_##thingy = { \ | |
94a8fcf9 SA |
208 | .attr = { .name = #thingy, .mode = 0220 }, \ |
209 | .size = KOVAPLUS_SIZE_ ## THINGY, \ | |
210 | .write = kovaplus_sysfs_write_ ## thingy \ | |
0e70f97f | 211 | } |
975b53cc GKH |
212 | KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL); |
213 | KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO); | |
214 | KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); | |
215 | KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); | |
94a8fcf9 SA |
216 | |
217 | static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp, | |
0e70f97f SA |
218 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
219 | loff_t off, size_t count) | |
220 | { | |
2cf83833 | 221 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
0e70f97f | 222 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
94a8fcf9 | 223 | ssize_t retval; |
0e70f97f | 224 | |
94a8fcf9 SA |
225 | retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private), |
226 | KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS); | |
227 | if (retval) | |
228 | return retval; | |
0e70f97f | 229 | |
94a8fcf9 SA |
230 | return kovaplus_sysfs_read(fp, kobj, buf, off, count, |
231 | KOVAPLUS_SIZE_PROFILE_SETTINGS, | |
232 | KOVAPLUS_COMMAND_PROFILE_SETTINGS); | |
233 | } | |
0e70f97f | 234 | |
94a8fcf9 SA |
235 | static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp, |
236 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
237 | loff_t off, size_t count) | |
238 | { | |
2cf83833 | 239 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
94a8fcf9 SA |
240 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
241 | ssize_t retval; | |
0e70f97f | 242 | |
94a8fcf9 SA |
243 | retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private), |
244 | KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS); | |
0e70f97f SA |
245 | if (retval) |
246 | return retval; | |
247 | ||
94a8fcf9 SA |
248 | return kovaplus_sysfs_read(fp, kobj, buf, off, count, |
249 | KOVAPLUS_SIZE_PROFILE_BUTTONS, | |
250 | KOVAPLUS_COMMAND_PROFILE_BUTTONS); | |
0e70f97f SA |
251 | } |
252 | ||
975b53cc GKH |
253 | #define PROFILE_ATTR(number) \ |
254 | static struct bin_attribute bin_attr_profile##number##_settings = { \ | |
550dbf47 | 255 | .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ |
975b53cc GKH |
256 | .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \ |
257 | .read = kovaplus_sysfs_read_profilex_settings, \ | |
258 | .private = &profile_numbers[number-1], \ | |
259 | }; \ | |
260 | static struct bin_attribute bin_attr_profile##number##_buttons = { \ | |
550dbf47 | 261 | .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ |
975b53cc GKH |
262 | .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \ |
263 | .read = kovaplus_sysfs_read_profilex_buttons, \ | |
264 | .private = &profile_numbers[number-1], \ | |
265 | }; | |
266 | PROFILE_ATTR(1); | |
267 | PROFILE_ATTR(2); | |
268 | PROFILE_ATTR(3); | |
269 | PROFILE_ATTR(4); | |
270 | PROFILE_ATTR(5); | |
271 | ||
0e70f97f SA |
272 | static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev, |
273 | struct device_attribute *attr, char *buf) | |
274 | { | |
275 | struct kovaplus_device *kovaplus = | |
276 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
277 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile); | |
278 | } | |
279 | ||
280 | static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev, | |
281 | struct device_attribute *attr, char const *buf, size_t size) | |
282 | { | |
283 | struct kovaplus_device *kovaplus; | |
284 | struct usb_device *usb_dev; | |
285 | unsigned long profile; | |
286 | int retval; | |
6b9a57b9 | 287 | struct kovaplus_roccat_report roccat_report; |
0e70f97f SA |
288 | |
289 | dev = dev->parent->parent; | |
290 | kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
291 | usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
292 | ||
dfc450b5 | 293 | retval = kstrtoul(buf, 10, &profile); |
0e70f97f SA |
294 | if (retval) |
295 | return retval; | |
296 | ||
297 | if (profile >= 5) | |
298 | return -EINVAL; | |
299 | ||
300 | mutex_lock(&kovaplus->kovaplus_lock); | |
301 | retval = kovaplus_set_actual_profile(usb_dev, profile); | |
6b9a57b9 SA |
302 | if (retval) { |
303 | mutex_unlock(&kovaplus->kovaplus_lock); | |
304 | return retval; | |
305 | } | |
306 | ||
901e64db | 307 | kovaplus_profile_activated(kovaplus, profile); |
6b9a57b9 SA |
308 | |
309 | roccat_report.type = KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1; | |
310 | roccat_report.profile = profile + 1; | |
311 | roccat_report.button = 0; | |
312 | roccat_report.data1 = profile + 1; | |
313 | roccat_report.data2 = 0; | |
314 | roccat_report_event(kovaplus->chrdev_minor, | |
315 | (uint8_t const *)&roccat_report); | |
316 | ||
0e70f97f | 317 | mutex_unlock(&kovaplus->kovaplus_lock); |
0e70f97f SA |
318 | |
319 | return size; | |
320 | } | |
46a58c44 GKH |
321 | static DEVICE_ATTR(actual_profile, 0660, |
322 | kovaplus_sysfs_show_actual_profile, | |
323 | kovaplus_sysfs_set_actual_profile); | |
0e70f97f SA |
324 | |
325 | static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev, | |
326 | struct device_attribute *attr, char *buf) | |
327 | { | |
328 | struct kovaplus_device *kovaplus = | |
329 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
330 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi); | |
331 | } | |
46a58c44 | 332 | static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL); |
0e70f97f SA |
333 | |
334 | static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev, | |
335 | struct device_attribute *attr, char *buf) | |
336 | { | |
337 | struct kovaplus_device *kovaplus = | |
338 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
339 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity); | |
340 | } | |
46a58c44 GKH |
341 | static DEVICE_ATTR(actual_sensitivity_x, 0440, |
342 | kovaplus_sysfs_show_actual_sensitivity_x, NULL); | |
0e70f97f SA |
343 | |
344 | static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev, | |
345 | struct device_attribute *attr, char *buf) | |
346 | { | |
347 | struct kovaplus_device *kovaplus = | |
348 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
349 | return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity); | |
350 | } | |
46a58c44 GKH |
351 | static DEVICE_ATTR(actual_sensitivity_y, 0440, |
352 | kovaplus_sysfs_show_actual_sensitivity_y, NULL); | |
0e70f97f SA |
353 | |
354 | static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev, | |
355 | struct device_attribute *attr, char *buf) | |
356 | { | |
94a8fcf9 SA |
357 | struct kovaplus_device *kovaplus; |
358 | struct usb_device *usb_dev; | |
359 | struct kovaplus_info info; | |
360 | ||
361 | dev = dev->parent->parent; | |
362 | kovaplus = hid_get_drvdata(dev_get_drvdata(dev)); | |
363 | usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
364 | ||
365 | mutex_lock(&kovaplus->kovaplus_lock); | |
366 | roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO, | |
367 | &info, KOVAPLUS_SIZE_INFO); | |
368 | mutex_unlock(&kovaplus->kovaplus_lock); | |
369 | ||
370 | return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); | |
0e70f97f | 371 | } |
46a58c44 GKH |
372 | static DEVICE_ATTR(firmware_version, 0440, |
373 | kovaplus_sysfs_show_firmware_version, NULL); | |
0e70f97f | 374 | |
46a58c44 GKH |
375 | static struct attribute *kovaplus_attrs[] = { |
376 | &dev_attr_actual_cpi.attr, | |
377 | &dev_attr_firmware_version.attr, | |
378 | &dev_attr_actual_profile.attr, | |
379 | &dev_attr_actual_sensitivity_x.attr, | |
380 | &dev_attr_actual_sensitivity_y.attr, | |
381 | NULL, | |
0e70f97f | 382 | }; |
975b53cc GKH |
383 | |
384 | static struct bin_attribute *kovaplus_bin_attributes[] = { | |
385 | &bin_attr_control, | |
386 | &bin_attr_info, | |
387 | &bin_attr_profile_settings, | |
388 | &bin_attr_profile_buttons, | |
389 | &bin_attr_profile1_settings, | |
390 | &bin_attr_profile2_settings, | |
391 | &bin_attr_profile3_settings, | |
392 | &bin_attr_profile4_settings, | |
393 | &bin_attr_profile5_settings, | |
394 | &bin_attr_profile1_buttons, | |
395 | &bin_attr_profile2_buttons, | |
396 | &bin_attr_profile3_buttons, | |
397 | &bin_attr_profile4_buttons, | |
398 | &bin_attr_profile5_buttons, | |
399 | NULL, | |
400 | }; | |
401 | ||
402 | static const struct attribute_group kovaplus_group = { | |
403 | .attrs = kovaplus_attrs, | |
404 | .bin_attrs = kovaplus_bin_attributes, | |
405 | }; | |
406 | ||
407 | static const struct attribute_group *kovaplus_groups[] = { | |
408 | &kovaplus_group, | |
409 | NULL, | |
0e70f97f SA |
410 | }; |
411 | ||
412 | static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev, | |
413 | struct kovaplus_device *kovaplus) | |
414 | { | |
415 | int retval, i; | |
416 | static uint wait = 70; /* device will freeze with just 60 */ | |
417 | ||
418 | mutex_init(&kovaplus->kovaplus_lock); | |
419 | ||
0e70f97f SA |
420 | for (i = 0; i < 5; ++i) { |
421 | msleep(wait); | |
422 | retval = kovaplus_get_profile_settings(usb_dev, | |
423 | &kovaplus->profile_settings[i], i); | |
424 | if (retval) | |
425 | return retval; | |
426 | ||
427 | msleep(wait); | |
428 | retval = kovaplus_get_profile_buttons(usb_dev, | |
429 | &kovaplus->profile_buttons[i], i); | |
430 | if (retval) | |
431 | return retval; | |
432 | } | |
433 | ||
434 | msleep(wait); | |
435 | retval = kovaplus_get_actual_profile(usb_dev); | |
436 | if (retval < 0) | |
437 | return retval; | |
438 | kovaplus_profile_activated(kovaplus, retval); | |
439 | ||
440 | return 0; | |
441 | } | |
442 | ||
443 | static int kovaplus_init_specials(struct hid_device *hdev) | |
444 | { | |
445 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
446 | struct usb_device *usb_dev = interface_to_usbdev(intf); | |
447 | struct kovaplus_device *kovaplus; | |
448 | int retval; | |
449 | ||
450 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
451 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
452 | ||
453 | kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL); | |
454 | if (!kovaplus) { | |
455 | hid_err(hdev, "can't alloc device descriptor\n"); | |
456 | return -ENOMEM; | |
457 | } | |
458 | hid_set_drvdata(hdev, kovaplus); | |
459 | ||
460 | retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus); | |
461 | if (retval) { | |
462 | hid_err(hdev, "couldn't init struct kovaplus_device\n"); | |
463 | goto exit_free; | |
464 | } | |
465 | ||
8211e460 SA |
466 | retval = roccat_connect(kovaplus_class, hdev, |
467 | sizeof(struct kovaplus_roccat_report)); | |
0e70f97f SA |
468 | if (retval < 0) { |
469 | hid_err(hdev, "couldn't init char dev\n"); | |
470 | } else { | |
471 | kovaplus->chrdev_minor = retval; | |
472 | kovaplus->roccat_claimed = 1; | |
473 | } | |
474 | ||
475 | } else { | |
476 | hid_set_drvdata(hdev, NULL); | |
477 | } | |
478 | ||
479 | return 0; | |
480 | exit_free: | |
481 | kfree(kovaplus); | |
482 | return retval; | |
483 | } | |
484 | ||
485 | static void kovaplus_remove_specials(struct hid_device *hdev) | |
486 | { | |
487 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
488 | struct kovaplus_device *kovaplus; | |
489 | ||
490 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
491 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
492 | kovaplus = hid_get_drvdata(hdev); | |
493 | if (kovaplus->roccat_claimed) | |
494 | roccat_disconnect(kovaplus->chrdev_minor); | |
495 | kfree(kovaplus); | |
496 | } | |
497 | } | |
498 | ||
499 | static int kovaplus_probe(struct hid_device *hdev, | |
500 | const struct hid_device_id *id) | |
501 | { | |
502 | int retval; | |
503 | ||
504 | retval = hid_parse(hdev); | |
505 | if (retval) { | |
506 | hid_err(hdev, "parse failed\n"); | |
507 | goto exit; | |
508 | } | |
509 | ||
510 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
511 | if (retval) { | |
512 | hid_err(hdev, "hw start failed\n"); | |
513 | goto exit; | |
514 | } | |
515 | ||
516 | retval = kovaplus_init_specials(hdev); | |
517 | if (retval) { | |
518 | hid_err(hdev, "couldn't install mouse\n"); | |
519 | goto exit_stop; | |
520 | } | |
521 | ||
522 | return 0; | |
523 | ||
524 | exit_stop: | |
525 | hid_hw_stop(hdev); | |
526 | exit: | |
527 | return retval; | |
528 | } | |
529 | ||
530 | static void kovaplus_remove(struct hid_device *hdev) | |
531 | { | |
532 | kovaplus_remove_specials(hdev); | |
533 | hid_hw_stop(hdev); | |
534 | } | |
535 | ||
536 | static void kovaplus_keep_values_up_to_date(struct kovaplus_device *kovaplus, | |
537 | u8 const *data) | |
538 | { | |
539 | struct kovaplus_mouse_report_button const *button_report; | |
540 | ||
541 | if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) | |
542 | return; | |
543 | ||
544 | button_report = (struct kovaplus_mouse_report_button const *)data; | |
545 | ||
546 | switch (button_report->type) { | |
547 | case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1: | |
548 | kovaplus_profile_activated(kovaplus, button_report->data1 - 1); | |
549 | break; | |
550 | case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI: | |
551 | kovaplus->actual_cpi = kovaplus_convert_event_cpi(button_report->data1); | |
7be63f20 | 552 | break; |
0e70f97f SA |
553 | case KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY: |
554 | kovaplus->actual_x_sensitivity = button_report->data1; | |
555 | kovaplus->actual_y_sensitivity = button_report->data2; | |
7be63f20 SA |
556 | break; |
557 | default: | |
558 | break; | |
0e70f97f SA |
559 | } |
560 | } | |
561 | ||
562 | static void kovaplus_report_to_chrdev(struct kovaplus_device const *kovaplus, | |
563 | u8 const *data) | |
564 | { | |
565 | struct kovaplus_roccat_report roccat_report; | |
566 | struct kovaplus_mouse_report_button const *button_report; | |
567 | ||
568 | if (data[0] != KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON) | |
569 | return; | |
570 | ||
571 | button_report = (struct kovaplus_mouse_report_button const *)data; | |
572 | ||
573 | if (button_report->type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2) | |
574 | return; | |
575 | ||
576 | roccat_report.type = button_report->type; | |
577 | roccat_report.profile = kovaplus->actual_profile + 1; | |
578 | ||
579 | if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO || | |
580 | roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT || | |
581 | roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH || | |
582 | roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER) | |
583 | roccat_report.button = button_report->data1; | |
584 | else | |
585 | roccat_report.button = 0; | |
586 | ||
587 | if (roccat_report.type == KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI) | |
588 | roccat_report.data1 = kovaplus_convert_event_cpi(button_report->data1); | |
589 | else | |
590 | roccat_report.data1 = button_report->data1; | |
591 | ||
592 | roccat_report.data2 = button_report->data2; | |
593 | ||
594 | roccat_report_event(kovaplus->chrdev_minor, | |
8211e460 | 595 | (uint8_t const *)&roccat_report); |
0e70f97f SA |
596 | } |
597 | ||
598 | static int kovaplus_raw_event(struct hid_device *hdev, | |
599 | struct hid_report *report, u8 *data, int size) | |
600 | { | |
601 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
602 | struct kovaplus_device *kovaplus = hid_get_drvdata(hdev); | |
603 | ||
604 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
605 | != USB_INTERFACE_PROTOCOL_MOUSE) | |
606 | return 0; | |
607 | ||
901e64db SA |
608 | if (kovaplus == NULL) |
609 | return 0; | |
610 | ||
0e70f97f SA |
611 | kovaplus_keep_values_up_to_date(kovaplus, data); |
612 | ||
613 | if (kovaplus->roccat_claimed) | |
614 | kovaplus_report_to_chrdev(kovaplus, data); | |
615 | ||
616 | return 0; | |
617 | } | |
618 | ||
619 | static const struct hid_device_id kovaplus_devices[] = { | |
620 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) }, | |
621 | { } | |
622 | }; | |
623 | ||
624 | MODULE_DEVICE_TABLE(hid, kovaplus_devices); | |
625 | ||
626 | static struct hid_driver kovaplus_driver = { | |
627 | .name = "kovaplus", | |
628 | .id_table = kovaplus_devices, | |
629 | .probe = kovaplus_probe, | |
630 | .remove = kovaplus_remove, | |
631 | .raw_event = kovaplus_raw_event | |
632 | }; | |
633 | ||
634 | static int __init kovaplus_init(void) | |
635 | { | |
636 | int retval; | |
637 | ||
638 | kovaplus_class = class_create(THIS_MODULE, "kovaplus"); | |
639 | if (IS_ERR(kovaplus_class)) | |
640 | return PTR_ERR(kovaplus_class); | |
46a58c44 | 641 | kovaplus_class->dev_groups = kovaplus_groups; |
0e70f97f SA |
642 | |
643 | retval = hid_register_driver(&kovaplus_driver); | |
644 | if (retval) | |
645 | class_destroy(kovaplus_class); | |
646 | return retval; | |
647 | } | |
648 | ||
649 | static void __exit kovaplus_exit(void) | |
650 | { | |
0e70f97f | 651 | hid_unregister_driver(&kovaplus_driver); |
74b643da | 652 | class_destroy(kovaplus_class); |
0e70f97f SA |
653 | } |
654 | ||
655 | module_init(kovaplus_init); | |
656 | module_exit(kovaplus_exit); | |
657 | ||
658 | MODULE_AUTHOR("Stefan Achatz"); | |
659 | MODULE_DESCRIPTION("USB Roccat Kova[+] driver"); | |
660 | MODULE_LICENSE("GPL v2"); |