Commit | Line | Data |
---|---|---|
2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
cb7cf3da SA |
2 | /* |
3 | * Roccat Pyra driver for Linux | |
4 | * | |
5 | * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> | |
6 | */ | |
7 | ||
8 | /* | |
cb7cf3da SA |
9 | */ |
10 | ||
11 | /* | |
12 | * Roccat Pyra is a mobile gamer mouse which comes in wired and wireless | |
13 | * variant. Wireless variant is not tested. | |
14 | * Userland tools can be found at http://sourceforge.net/projects/roccat | |
15 | */ | |
16 | ||
17 | #include <linux/device.h> | |
18 | #include <linux/input.h> | |
19 | #include <linux/hid.h> | |
cb7cf3da SA |
20 | #include <linux/module.h> |
21 | #include <linux/slab.h> | |
5dc0c983 | 22 | #include <linux/hid-roccat.h> |
cb7cf3da | 23 | #include "hid-ids.h" |
5772f636 | 24 | #include "hid-roccat-common.h" |
cb7cf3da SA |
25 | #include "hid-roccat-pyra.h" |
26 | ||
14a057f8 SA |
27 | static uint profile_numbers[5] = {0, 1, 2, 3, 4}; |
28 | ||
5012aada SA |
29 | /* pyra_class is used for creating sysfs attributes via roccat char device */ |
30 | static struct class *pyra_class; | |
31 | ||
cb7cf3da SA |
32 | static void profile_activated(struct pyra_device *pyra, |
33 | unsigned int new_profile) | |
34 | { | |
606185b2 DC |
35 | if (new_profile >= ARRAY_SIZE(pyra->profile_settings)) |
36 | return; | |
cb7cf3da SA |
37 | pyra->actual_profile = new_profile; |
38 | pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi; | |
39 | } | |
40 | ||
41 | static int pyra_send_control(struct usb_device *usb_dev, int value, | |
42 | enum pyra_control_requests request) | |
43 | { | |
7392d73b | 44 | struct roccat_common2_control control; |
cb7cf3da SA |
45 | |
46 | if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS || | |
47 | request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) && | |
48 | (value < 0 || value > 4)) | |
49 | return -EINVAL; | |
50 | ||
4728f2dc | 51 | control.command = ROCCAT_COMMON_COMMAND_CONTROL; |
cb7cf3da SA |
52 | control.value = value; |
53 | control.request = request; | |
54 | ||
7392d73b SA |
55 | return roccat_common2_send(usb_dev, ROCCAT_COMMON_COMMAND_CONTROL, |
56 | &control, sizeof(struct roccat_common2_control)); | |
cb7cf3da SA |
57 | } |
58 | ||
59 | static int pyra_get_profile_settings(struct usb_device *usb_dev, | |
60 | struct pyra_profile_settings *buf, int number) | |
61 | { | |
62 | int retval; | |
cb7cf3da SA |
63 | retval = pyra_send_control(usb_dev, number, |
64 | PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); | |
cb7cf3da SA |
65 | if (retval) |
66 | return retval; | |
7392d73b | 67 | return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS, |
be34380e | 68 | buf, PYRA_SIZE_PROFILE_SETTINGS); |
cb7cf3da SA |
69 | } |
70 | ||
71 | static int pyra_get_settings(struct usb_device *usb_dev, | |
72 | struct pyra_settings *buf) | |
73 | { | |
7392d73b | 74 | return roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS, |
be34380e | 75 | buf, PYRA_SIZE_SETTINGS); |
cb7cf3da SA |
76 | } |
77 | ||
78 | static int pyra_set_settings(struct usb_device *usb_dev, | |
79 | struct pyra_settings const *settings) | |
80 | { | |
7392d73b | 81 | return roccat_common2_send_with_status(usb_dev, |
4728f2dc | 82 | PYRA_COMMAND_SETTINGS, settings, |
be34380e | 83 | PYRA_SIZE_SETTINGS); |
cb7cf3da SA |
84 | } |
85 | ||
be34380e SA |
86 | static ssize_t pyra_sysfs_read(struct file *fp, struct kobject *kobj, |
87 | char *buf, loff_t off, size_t count, | |
88 | size_t real_size, uint command) | |
cb7cf3da | 89 | { |
2cf83833 | 90 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
cb7cf3da | 91 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
be34380e SA |
92 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
93 | int retval; | |
cb7cf3da | 94 | |
be34380e | 95 | if (off >= real_size) |
cb7cf3da SA |
96 | return 0; |
97 | ||
be34380e SA |
98 | if (off != 0 || count != real_size) |
99 | return -EINVAL; | |
cb7cf3da SA |
100 | |
101 | mutex_lock(&pyra->pyra_lock); | |
be34380e | 102 | retval = roccat_common2_receive(usb_dev, command, buf, real_size); |
cb7cf3da SA |
103 | mutex_unlock(&pyra->pyra_lock); |
104 | ||
be34380e SA |
105 | if (retval) |
106 | return retval; | |
107 | ||
108 | return real_size; | |
cb7cf3da SA |
109 | } |
110 | ||
be34380e SA |
111 | static ssize_t pyra_sysfs_write(struct file *fp, struct kobject *kobj, |
112 | void const *buf, loff_t off, size_t count, | |
113 | size_t real_size, uint command) | |
cb7cf3da | 114 | { |
2cf83833 | 115 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
cb7cf3da | 116 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
be34380e SA |
117 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
118 | int retval; | |
cb7cf3da | 119 | |
be34380e SA |
120 | if (off != 0 || count != real_size) |
121 | return -EINVAL; | |
cb7cf3da SA |
122 | |
123 | mutex_lock(&pyra->pyra_lock); | |
be34380e | 124 | retval = roccat_common2_send_with_status(usb_dev, command, (void *)buf, real_size); |
cb7cf3da SA |
125 | mutex_unlock(&pyra->pyra_lock); |
126 | ||
be34380e SA |
127 | if (retval) |
128 | return retval; | |
129 | ||
130 | return real_size; | |
cb7cf3da SA |
131 | } |
132 | ||
be34380e SA |
133 | #define PYRA_SYSFS_W(thingy, THINGY) \ |
134 | static ssize_t pyra_sysfs_write_ ## thingy(struct file *fp, \ | |
135 | struct kobject *kobj, struct bin_attribute *attr, char *buf, \ | |
136 | loff_t off, size_t count) \ | |
137 | { \ | |
138 | return pyra_sysfs_write(fp, kobj, buf, off, count, \ | |
139 | PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \ | |
140 | } | |
cb7cf3da | 141 | |
be34380e SA |
142 | #define PYRA_SYSFS_R(thingy, THINGY) \ |
143 | static ssize_t pyra_sysfs_read_ ## thingy(struct file *fp, \ | |
144 | struct kobject *kobj, struct bin_attribute *attr, char *buf, \ | |
145 | loff_t off, size_t count) \ | |
146 | { \ | |
147 | return pyra_sysfs_read(fp, kobj, buf, off, count, \ | |
148 | PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \ | |
149 | } | |
cb7cf3da | 150 | |
be34380e SA |
151 | #define PYRA_SYSFS_RW(thingy, THINGY) \ |
152 | PYRA_SYSFS_W(thingy, THINGY) \ | |
153 | PYRA_SYSFS_R(thingy, THINGY) | |
cb7cf3da | 154 | |
be34380e | 155 | #define PYRA_BIN_ATTRIBUTE_RW(thingy, THINGY) \ |
a7492451 GKH |
156 | PYRA_SYSFS_RW(thingy, THINGY); \ |
157 | static struct bin_attribute bin_attr_##thingy = { \ | |
be34380e SA |
158 | .attr = { .name = #thingy, .mode = 0660 }, \ |
159 | .size = PYRA_SIZE_ ## THINGY, \ | |
160 | .read = pyra_sysfs_read_ ## thingy, \ | |
161 | .write = pyra_sysfs_write_ ## thingy \ | |
162 | } | |
cb7cf3da | 163 | |
be34380e | 164 | #define PYRA_BIN_ATTRIBUTE_R(thingy, THINGY) \ |
a7492451 GKH |
165 | PYRA_SYSFS_R(thingy, THINGY); \ |
166 | static struct bin_attribute bin_attr_##thingy = { \ | |
be34380e SA |
167 | .attr = { .name = #thingy, .mode = 0440 }, \ |
168 | .size = PYRA_SIZE_ ## THINGY, \ | |
169 | .read = pyra_sysfs_read_ ## thingy, \ | |
170 | } | |
cb7cf3da | 171 | |
be34380e | 172 | #define PYRA_BIN_ATTRIBUTE_W(thingy, THINGY) \ |
a7492451 GKH |
173 | PYRA_SYSFS_W(thingy, THINGY); \ |
174 | static struct bin_attribute bin_attr_##thingy = { \ | |
be34380e SA |
175 | .attr = { .name = #thingy, .mode = 0220 }, \ |
176 | .size = PYRA_SIZE_ ## THINGY, \ | |
177 | .write = pyra_sysfs_write_ ## thingy \ | |
cb7cf3da SA |
178 | } |
179 | ||
a7492451 GKH |
180 | PYRA_BIN_ATTRIBUTE_W(control, CONTROL); |
181 | PYRA_BIN_ATTRIBUTE_RW(info, INFO); | |
182 | PYRA_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS); | |
183 | PYRA_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS); | |
be34380e SA |
184 | |
185 | static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, | |
cb7cf3da SA |
186 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
187 | loff_t off, size_t count) | |
188 | { | |
2cf83833 | 189 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
cb7cf3da | 190 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
be34380e | 191 | ssize_t retval; |
cb7cf3da | 192 | |
be34380e SA |
193 | retval = pyra_send_control(usb_dev, *(uint *)(attr->private), |
194 | PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); | |
cb7cf3da SA |
195 | if (retval) |
196 | return retval; | |
197 | ||
be34380e SA |
198 | return pyra_sysfs_read(fp, kobj, buf, off, count, |
199 | PYRA_SIZE_PROFILE_SETTINGS, | |
200 | PYRA_COMMAND_PROFILE_SETTINGS); | |
cb7cf3da SA |
201 | } |
202 | ||
be34380e | 203 | static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, |
cb7cf3da SA |
204 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
205 | loff_t off, size_t count) | |
206 | { | |
2cf83833 | 207 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
be34380e SA |
208 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
209 | ssize_t retval; | |
cb7cf3da | 210 | |
be34380e SA |
211 | retval = pyra_send_control(usb_dev, *(uint *)(attr->private), |
212 | PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); | |
213 | if (retval) | |
214 | return retval; | |
cb7cf3da | 215 | |
be34380e SA |
216 | return pyra_sysfs_read(fp, kobj, buf, off, count, |
217 | PYRA_SIZE_PROFILE_BUTTONS, | |
218 | PYRA_COMMAND_PROFILE_BUTTONS); | |
cb7cf3da SA |
219 | } |
220 | ||
a7492451 GKH |
221 | #define PROFILE_ATTR(number) \ |
222 | static struct bin_attribute bin_attr_profile##number##_settings = { \ | |
550dbf47 | 223 | .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ |
a7492451 GKH |
224 | .size = PYRA_SIZE_PROFILE_SETTINGS, \ |
225 | .read = pyra_sysfs_read_profilex_settings, \ | |
226 | .private = &profile_numbers[number-1], \ | |
227 | }; \ | |
228 | static struct bin_attribute bin_attr_profile##number##_buttons = { \ | |
550dbf47 | 229 | .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ |
a7492451 GKH |
230 | .size = PYRA_SIZE_PROFILE_BUTTONS, \ |
231 | .read = pyra_sysfs_read_profilex_buttons, \ | |
232 | .private = &profile_numbers[number-1], \ | |
233 | }; | |
234 | PROFILE_ATTR(1); | |
235 | PROFILE_ATTR(2); | |
236 | PROFILE_ATTR(3); | |
237 | PROFILE_ATTR(4); | |
238 | PROFILE_ATTR(5); | |
239 | ||
cb7cf3da SA |
240 | static ssize_t pyra_sysfs_write_settings(struct file *fp, |
241 | struct kobject *kobj, struct bin_attribute *attr, char *buf, | |
242 | loff_t off, size_t count) | |
243 | { | |
2cf83833 | 244 | struct device *dev = kobj_to_dev(kobj)->parent->parent; |
cb7cf3da SA |
245 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
246 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
247 | int retval = 0; | |
dc186b66 | 248 | struct pyra_roccat_report roccat_report; |
be34380e | 249 | struct pyra_settings const *settings; |
cb7cf3da | 250 | |
be34380e | 251 | if (off != 0 || count != PYRA_SIZE_SETTINGS) |
cb7cf3da SA |
252 | return -EINVAL; |
253 | ||
be34380e | 254 | settings = (struct pyra_settings const *)buf; |
606185b2 DC |
255 | if (settings->startup_profile >= ARRAY_SIZE(pyra->profile_settings)) |
256 | return -EINVAL; | |
257 | ||
258 | mutex_lock(&pyra->pyra_lock); | |
cb7cf3da | 259 | |
be34380e SA |
260 | retval = pyra_set_settings(usb_dev, settings); |
261 | if (retval) { | |
262 | mutex_unlock(&pyra->pyra_lock); | |
263 | return retval; | |
dc186b66 | 264 | } |
be34380e SA |
265 | |
266 | profile_activated(pyra, settings->startup_profile); | |
267 | ||
268 | roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2; | |
269 | roccat_report.value = settings->startup_profile + 1; | |
270 | roccat_report.key = 0; | |
271 | roccat_report_event(pyra->chrdev_minor, | |
272 | (uint8_t const *)&roccat_report); | |
273 | ||
dc186b66 | 274 | mutex_unlock(&pyra->pyra_lock); |
be34380e | 275 | return PYRA_SIZE_SETTINGS; |
cb7cf3da SA |
276 | } |
277 | ||
a7492451 GKH |
278 | PYRA_SYSFS_R(settings, SETTINGS); |
279 | static struct bin_attribute bin_attr_settings = | |
280 | __BIN_ATTR(settings, (S_IWUSR | S_IRUGO), | |
281 | pyra_sysfs_read_settings, pyra_sysfs_write_settings, | |
282 | PYRA_SIZE_SETTINGS); | |
cb7cf3da SA |
283 | |
284 | static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, | |
285 | struct device_attribute *attr, char *buf) | |
286 | { | |
5012aada SA |
287 | struct pyra_device *pyra = |
288 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
cb7cf3da SA |
289 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); |
290 | } | |
46a58c44 | 291 | static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL); |
cb7cf3da SA |
292 | |
293 | static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, | |
294 | struct device_attribute *attr, char *buf) | |
295 | { | |
5012aada SA |
296 | struct pyra_device *pyra = |
297 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); | |
be34380e SA |
298 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
299 | struct pyra_settings settings; | |
300 | ||
301 | mutex_lock(&pyra->pyra_lock); | |
302 | roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS, | |
303 | &settings, PYRA_SIZE_SETTINGS); | |
304 | mutex_unlock(&pyra->pyra_lock); | |
305 | ||
306 | return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile); | |
cb7cf3da | 307 | } |
46a58c44 GKH |
308 | static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL); |
309 | static DEVICE_ATTR(startup_profile, 0440, pyra_sysfs_show_actual_profile, NULL); | |
cb7cf3da SA |
310 | |
311 | static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, | |
312 | struct device_attribute *attr, char *buf) | |
313 | { | |
be34380e SA |
314 | struct pyra_device *pyra; |
315 | struct usb_device *usb_dev; | |
316 | struct pyra_info info; | |
cb7cf3da | 317 | |
be34380e SA |
318 | dev = dev->parent->parent; |
319 | pyra = hid_get_drvdata(dev_get_drvdata(dev)); | |
320 | usb_dev = interface_to_usbdev(to_usb_interface(dev)); | |
321 | ||
322 | mutex_lock(&pyra->pyra_lock); | |
323 | roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO, | |
324 | &info, PYRA_SIZE_INFO); | |
325 | mutex_unlock(&pyra->pyra_lock); | |
326 | ||
327 | return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); | |
cb7cf3da | 328 | } |
46a58c44 GKH |
329 | static DEVICE_ATTR(firmware_version, 0440, pyra_sysfs_show_firmware_version, |
330 | NULL); | |
331 | ||
332 | static struct attribute *pyra_attrs[] = { | |
333 | &dev_attr_actual_cpi.attr, | |
334 | &dev_attr_actual_profile.attr, | |
335 | &dev_attr_firmware_version.attr, | |
336 | &dev_attr_startup_profile.attr, | |
337 | NULL, | |
cb7cf3da | 338 | }; |
a7492451 GKH |
339 | |
340 | static struct bin_attribute *pyra_bin_attributes[] = { | |
341 | &bin_attr_control, | |
342 | &bin_attr_info, | |
343 | &bin_attr_profile_settings, | |
344 | &bin_attr_profile_buttons, | |
345 | &bin_attr_settings, | |
346 | &bin_attr_profile1_settings, | |
347 | &bin_attr_profile2_settings, | |
348 | &bin_attr_profile3_settings, | |
349 | &bin_attr_profile4_settings, | |
350 | &bin_attr_profile5_settings, | |
351 | &bin_attr_profile1_buttons, | |
352 | &bin_attr_profile2_buttons, | |
353 | &bin_attr_profile3_buttons, | |
354 | &bin_attr_profile4_buttons, | |
355 | &bin_attr_profile5_buttons, | |
356 | NULL, | |
357 | }; | |
358 | ||
359 | static const struct attribute_group pyra_group = { | |
360 | .attrs = pyra_attrs, | |
361 | .bin_attrs = pyra_bin_attributes, | |
362 | }; | |
363 | ||
364 | static const struct attribute_group *pyra_groups[] = { | |
365 | &pyra_group, | |
366 | NULL, | |
cb7cf3da SA |
367 | }; |
368 | ||
cb7cf3da SA |
369 | static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, |
370 | struct pyra_device *pyra) | |
371 | { | |
be34380e | 372 | struct pyra_settings settings; |
cb7cf3da SA |
373 | int retval, i; |
374 | ||
375 | mutex_init(&pyra->pyra_lock); | |
376 | ||
be34380e | 377 | retval = pyra_get_settings(usb_dev, &settings); |
cb7cf3da SA |
378 | if (retval) |
379 | return retval; | |
380 | ||
381 | for (i = 0; i < 5; ++i) { | |
382 | retval = pyra_get_profile_settings(usb_dev, | |
383 | &pyra->profile_settings[i], i); | |
384 | if (retval) | |
385 | return retval; | |
cb7cf3da SA |
386 | } |
387 | ||
be34380e | 388 | profile_activated(pyra, settings.startup_profile); |
cb7cf3da SA |
389 | |
390 | return 0; | |
391 | } | |
392 | ||
393 | static int pyra_init_specials(struct hid_device *hdev) | |
394 | { | |
395 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
396 | struct usb_device *usb_dev = interface_to_usbdev(intf); | |
397 | struct pyra_device *pyra; | |
398 | int retval; | |
399 | ||
400 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
401 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
402 | ||
403 | pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); | |
404 | if (!pyra) { | |
4291ee30 | 405 | hid_err(hdev, "can't alloc device descriptor\n"); |
cb7cf3da SA |
406 | return -ENOMEM; |
407 | } | |
408 | hid_set_drvdata(hdev, pyra); | |
409 | ||
410 | retval = pyra_init_pyra_device_struct(usb_dev, pyra); | |
411 | if (retval) { | |
4291ee30 | 412 | hid_err(hdev, "couldn't init struct pyra_device\n"); |
cb7cf3da SA |
413 | goto exit_free; |
414 | } | |
415 | ||
8211e460 SA |
416 | retval = roccat_connect(pyra_class, hdev, |
417 | sizeof(struct pyra_roccat_report)); | |
cb7cf3da | 418 | if (retval < 0) { |
4291ee30 | 419 | hid_err(hdev, "couldn't init char dev\n"); |
cb7cf3da SA |
420 | } else { |
421 | pyra->chrdev_minor = retval; | |
422 | pyra->roccat_claimed = 1; | |
423 | } | |
cb7cf3da SA |
424 | } else { |
425 | hid_set_drvdata(hdev, NULL); | |
426 | } | |
427 | ||
428 | return 0; | |
429 | exit_free: | |
430 | kfree(pyra); | |
431 | return retval; | |
432 | } | |
433 | ||
434 | static void pyra_remove_specials(struct hid_device *hdev) | |
435 | { | |
436 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
437 | struct pyra_device *pyra; | |
438 | ||
439 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
440 | == USB_INTERFACE_PROTOCOL_MOUSE) { | |
cb7cf3da SA |
441 | pyra = hid_get_drvdata(hdev); |
442 | if (pyra->roccat_claimed) | |
443 | roccat_disconnect(pyra->chrdev_minor); | |
444 | kfree(hid_get_drvdata(hdev)); | |
445 | } | |
446 | } | |
447 | ||
448 | static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
449 | { | |
450 | int retval; | |
451 | ||
93020953 GKH |
452 | if (!hid_is_usb(hdev)) |
453 | return -EINVAL; | |
454 | ||
cb7cf3da SA |
455 | retval = hid_parse(hdev); |
456 | if (retval) { | |
4291ee30 | 457 | hid_err(hdev, "parse failed\n"); |
cb7cf3da SA |
458 | goto exit; |
459 | } | |
460 | ||
461 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
462 | if (retval) { | |
4291ee30 | 463 | hid_err(hdev, "hw start failed\n"); |
cb7cf3da SA |
464 | goto exit; |
465 | } | |
466 | ||
467 | retval = pyra_init_specials(hdev); | |
468 | if (retval) { | |
4291ee30 | 469 | hid_err(hdev, "couldn't install mouse\n"); |
cb7cf3da SA |
470 | goto exit_stop; |
471 | } | |
472 | return 0; | |
473 | ||
474 | exit_stop: | |
475 | hid_hw_stop(hdev); | |
476 | exit: | |
477 | return retval; | |
478 | } | |
479 | ||
480 | static void pyra_remove(struct hid_device *hdev) | |
481 | { | |
482 | pyra_remove_specials(hdev); | |
483 | hid_hw_stop(hdev); | |
484 | } | |
485 | ||
486 | static void pyra_keep_values_up_to_date(struct pyra_device *pyra, | |
487 | u8 const *data) | |
488 | { | |
489 | struct pyra_mouse_event_button const *button_event; | |
490 | ||
491 | switch (data[0]) { | |
492 | case PYRA_MOUSE_REPORT_NUMBER_BUTTON: | |
493 | button_event = (struct pyra_mouse_event_button const *)data; | |
494 | switch (button_event->type) { | |
495 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: | |
496 | profile_activated(pyra, button_event->data1 - 1); | |
497 | break; | |
498 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: | |
499 | pyra->actual_cpi = button_event->data1; | |
500 | break; | |
501 | } | |
502 | break; | |
503 | } | |
504 | } | |
505 | ||
506 | static void pyra_report_to_chrdev(struct pyra_device const *pyra, | |
507 | u8 const *data) | |
508 | { | |
509 | struct pyra_roccat_report roccat_report; | |
510 | struct pyra_mouse_event_button const *button_event; | |
511 | ||
512 | if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON) | |
513 | return; | |
514 | ||
515 | button_event = (struct pyra_mouse_event_button const *)data; | |
516 | ||
517 | switch (button_event->type) { | |
518 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: | |
519 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: | |
520 | roccat_report.type = button_event->type; | |
521 | roccat_report.value = button_event->data1; | |
522 | roccat_report.key = 0; | |
523 | roccat_report_event(pyra->chrdev_minor, | |
8211e460 | 524 | (uint8_t const *)&roccat_report); |
cb7cf3da SA |
525 | break; |
526 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: | |
527 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: | |
528 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH: | |
529 | if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) { | |
530 | roccat_report.type = button_event->type; | |
531 | roccat_report.key = button_event->data1; | |
d2b570a5 SA |
532 | /* |
533 | * pyra reports profile numbers with range 1-5. | |
534 | * Keeping this behaviour. | |
535 | */ | |
536 | roccat_report.value = pyra->actual_profile + 1; | |
cb7cf3da | 537 | roccat_report_event(pyra->chrdev_minor, |
8211e460 | 538 | (uint8_t const *)&roccat_report); |
cb7cf3da SA |
539 | } |
540 | break; | |
541 | } | |
542 | } | |
543 | ||
544 | static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, | |
545 | u8 *data, int size) | |
546 | { | |
547 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
548 | struct pyra_device *pyra = hid_get_drvdata(hdev); | |
549 | ||
550 | if (intf->cur_altsetting->desc.bInterfaceProtocol | |
551 | != USB_INTERFACE_PROTOCOL_MOUSE) | |
552 | return 0; | |
553 | ||
901e64db SA |
554 | if (pyra == NULL) |
555 | return 0; | |
556 | ||
cb7cf3da SA |
557 | pyra_keep_values_up_to_date(pyra, data); |
558 | ||
559 | if (pyra->roccat_claimed) | |
560 | pyra_report_to_chrdev(pyra, data); | |
561 | ||
562 | return 0; | |
563 | } | |
564 | ||
565 | static const struct hid_device_id pyra_devices[] = { | |
566 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, | |
567 | USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, | |
3fce2246 SA |
568 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, |
569 | USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) }, | |
cb7cf3da SA |
570 | { } |
571 | }; | |
572 | ||
573 | MODULE_DEVICE_TABLE(hid, pyra_devices); | |
574 | ||
575 | static struct hid_driver pyra_driver = { | |
576 | .name = "pyra", | |
577 | .id_table = pyra_devices, | |
578 | .probe = pyra_probe, | |
579 | .remove = pyra_remove, | |
580 | .raw_event = pyra_raw_event | |
581 | }; | |
582 | ||
583 | static int __init pyra_init(void) | |
584 | { | |
5012aada SA |
585 | int retval; |
586 | ||
587 | /* class name has to be same as driver name */ | |
1aaba11d | 588 | pyra_class = class_create("pyra"); |
5012aada SA |
589 | if (IS_ERR(pyra_class)) |
590 | return PTR_ERR(pyra_class); | |
46a58c44 | 591 | pyra_class->dev_groups = pyra_groups; |
5012aada SA |
592 | |
593 | retval = hid_register_driver(&pyra_driver); | |
594 | if (retval) | |
595 | class_destroy(pyra_class); | |
596 | return retval; | |
cb7cf3da SA |
597 | } |
598 | ||
599 | static void __exit pyra_exit(void) | |
600 | { | |
601 | hid_unregister_driver(&pyra_driver); | |
74b643da | 602 | class_destroy(pyra_class); |
cb7cf3da SA |
603 | } |
604 | ||
605 | module_init(pyra_init); | |
606 | module_exit(pyra_exit); | |
607 | ||
608 | MODULE_AUTHOR("Stefan Achatz"); | |
609 | MODULE_DESCRIPTION("USB Roccat Pyra driver"); | |
610 | MODULE_LICENSE("GPL v2"); |