Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Roccat Pyra driver for Linux |
| 3 | * |
| 4 | * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> |
| 5 | */ |
| 6 | |
| 7 | /* |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the Free |
| 10 | * Software Foundation; either version 2 of the License, or (at your option) |
| 11 | * any later version. |
| 12 | */ |
| 13 | |
| 14 | /* |
| 15 | * Roccat Pyra is a mobile gamer mouse which comes in wired and wireless |
| 16 | * variant. Wireless variant is not tested. |
| 17 | * Userland tools can be found at http://sourceforge.net/projects/roccat |
| 18 | */ |
| 19 | |
| 20 | #include <linux/device.h> |
| 21 | #include <linux/input.h> |
| 22 | #include <linux/hid.h> |
| 23 | #include <linux/usb.h> |
| 24 | #include <linux/module.h> |
| 25 | #include <linux/slab.h> |
| 26 | #include "hid-ids.h" |
| 27 | #include "hid-roccat.h" |
| 28 | #include "hid-roccat-pyra.h" |
| 29 | |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 30 | /* pyra_class is used for creating sysfs attributes via roccat char device */ |
| 31 | static struct class *pyra_class; |
| 32 | |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 33 | static void profile_activated(struct pyra_device *pyra, |
| 34 | unsigned int new_profile) |
| 35 | { |
| 36 | pyra->actual_profile = new_profile; |
| 37 | pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi; |
| 38 | } |
| 39 | |
| 40 | static int pyra_send_control(struct usb_device *usb_dev, int value, |
| 41 | enum pyra_control_requests request) |
| 42 | { |
| 43 | int len; |
| 44 | struct pyra_control control; |
| 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 | |
| 51 | control.command = PYRA_COMMAND_CONTROL; |
| 52 | control.value = value; |
| 53 | control.request = request; |
| 54 | |
| 55 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 56 | USB_REQ_SET_CONFIGURATION, |
| 57 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, |
| 58 | PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, |
| 59 | sizeof(struct pyra_control), |
| 60 | USB_CTRL_SET_TIMEOUT); |
| 61 | |
| 62 | if (len != sizeof(struct pyra_control)) |
| 63 | return len; |
| 64 | |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | static int pyra_receive_control_status(struct usb_device *usb_dev) |
| 69 | { |
| 70 | int len; |
| 71 | struct pyra_control control; |
| 72 | |
| 73 | do { |
| 74 | msleep(10); |
| 75 | |
| 76 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 77 | USB_REQ_CLEAR_FEATURE, |
| 78 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | |
| 79 | USB_DIR_IN, |
| 80 | PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, |
| 81 | sizeof(struct pyra_control), |
| 82 | USB_CTRL_SET_TIMEOUT); |
| 83 | |
| 84 | /* requested too early, try again */ |
| 85 | } while (len == -EPROTO); |
| 86 | |
| 87 | if (len == sizeof(struct pyra_control) && |
| 88 | control.command == PYRA_COMMAND_CONTROL && |
| 89 | control.request == PYRA_CONTROL_REQUEST_STATUS && |
| 90 | control.value == 1) |
| 91 | return 0; |
| 92 | else { |
Joe Perches | 4291ee3 | 2010-12-09 19:29:03 -0800 | [diff] [blame] | 93 | hid_err(usb_dev, "receive control status: unknown response 0x%x 0x%x\n", |
| 94 | control.request, control.value); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 95 | return -EINVAL; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | static int pyra_get_profile_settings(struct usb_device *usb_dev, |
| 100 | struct pyra_profile_settings *buf, int number) |
| 101 | { |
| 102 | int retval; |
| 103 | |
| 104 | retval = pyra_send_control(usb_dev, number, |
| 105 | PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); |
| 106 | |
| 107 | if (retval) |
| 108 | return retval; |
| 109 | |
| 110 | retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 111 | USB_REQ_CLEAR_FEATURE, |
| 112 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, |
| 113 | PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)buf, |
| 114 | sizeof(struct pyra_profile_settings), |
| 115 | USB_CTRL_SET_TIMEOUT); |
| 116 | |
| 117 | if (retval != sizeof(struct pyra_profile_settings)) |
| 118 | return retval; |
| 119 | |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | static int pyra_get_profile_buttons(struct usb_device *usb_dev, |
| 124 | struct pyra_profile_buttons *buf, int number) |
| 125 | { |
| 126 | int retval; |
| 127 | |
| 128 | retval = pyra_send_control(usb_dev, number, |
| 129 | PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); |
| 130 | |
| 131 | if (retval) |
| 132 | return retval; |
| 133 | |
| 134 | retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 135 | USB_REQ_CLEAR_FEATURE, |
| 136 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, |
| 137 | PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buf, |
| 138 | sizeof(struct pyra_profile_buttons), |
| 139 | USB_CTRL_SET_TIMEOUT); |
| 140 | |
| 141 | if (retval != sizeof(struct pyra_profile_buttons)) |
| 142 | return retval; |
| 143 | |
| 144 | return 0; |
| 145 | } |
| 146 | |
| 147 | static int pyra_get_settings(struct usb_device *usb_dev, |
| 148 | struct pyra_settings *buf) |
| 149 | { |
| 150 | int len; |
| 151 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 152 | USB_REQ_CLEAR_FEATURE, |
| 153 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, |
| 154 | PYRA_USB_COMMAND_SETTINGS, 0, buf, |
| 155 | sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); |
| 156 | if (len != sizeof(struct pyra_settings)) |
| 157 | return -EIO; |
| 158 | return 0; |
| 159 | } |
| 160 | |
| 161 | static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf) |
| 162 | { |
| 163 | int len; |
| 164 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 165 | USB_REQ_CLEAR_FEATURE, |
| 166 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, |
| 167 | PYRA_USB_COMMAND_INFO, 0, buf, |
| 168 | sizeof(struct pyra_info), USB_CTRL_SET_TIMEOUT); |
| 169 | if (len != sizeof(struct pyra_info)) |
| 170 | return -EIO; |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | static int pyra_set_profile_settings(struct usb_device *usb_dev, |
| 175 | struct pyra_profile_settings const *settings) |
| 176 | { |
| 177 | int len; |
| 178 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 179 | USB_REQ_SET_CONFIGURATION, |
| 180 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, |
| 181 | PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)settings, |
| 182 | sizeof(struct pyra_profile_settings), |
| 183 | USB_CTRL_SET_TIMEOUT); |
| 184 | if (len != sizeof(struct pyra_profile_settings)) |
| 185 | return -EIO; |
| 186 | if (pyra_receive_control_status(usb_dev)) |
| 187 | return -EIO; |
| 188 | return 0; |
| 189 | } |
| 190 | |
| 191 | static int pyra_set_profile_buttons(struct usb_device *usb_dev, |
| 192 | struct pyra_profile_buttons const *buttons) |
| 193 | { |
| 194 | int len; |
| 195 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 196 | USB_REQ_SET_CONFIGURATION, |
| 197 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, |
| 198 | PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buttons, |
| 199 | sizeof(struct pyra_profile_buttons), |
| 200 | USB_CTRL_SET_TIMEOUT); |
| 201 | if (len != sizeof(struct pyra_profile_buttons)) |
| 202 | return -EIO; |
| 203 | if (pyra_receive_control_status(usb_dev)) |
| 204 | return -EIO; |
| 205 | return 0; |
| 206 | } |
| 207 | |
| 208 | static int pyra_set_settings(struct usb_device *usb_dev, |
| 209 | struct pyra_settings const *settings) |
| 210 | { |
| 211 | int len; |
| 212 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 213 | USB_REQ_SET_CONFIGURATION, |
| 214 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, |
| 215 | PYRA_USB_COMMAND_SETTINGS, 0, (char *)settings, |
| 216 | sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); |
| 217 | if (len != sizeof(struct pyra_settings)) |
| 218 | return -EIO; |
| 219 | if (pyra_receive_control_status(usb_dev)) |
| 220 | return -EIO; |
| 221 | return 0; |
| 222 | } |
| 223 | |
| 224 | static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, |
| 225 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 226 | loff_t off, size_t count, int number) |
| 227 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 228 | struct device *dev = |
| 229 | container_of(kobj, struct device, kobj)->parent->parent; |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 230 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 231 | |
| 232 | if (off >= sizeof(struct pyra_profile_settings)) |
| 233 | return 0; |
| 234 | |
| 235 | if (off + count > sizeof(struct pyra_profile_settings)) |
| 236 | count = sizeof(struct pyra_profile_settings) - off; |
| 237 | |
| 238 | mutex_lock(&pyra->pyra_lock); |
| 239 | memcpy(buf, ((char const *)&pyra->profile_settings[number]) + off, |
| 240 | count); |
| 241 | mutex_unlock(&pyra->pyra_lock); |
| 242 | |
| 243 | return count; |
| 244 | } |
| 245 | |
| 246 | static ssize_t pyra_sysfs_read_profile1_settings(struct file *fp, |
| 247 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 248 | loff_t off, size_t count) |
| 249 | { |
| 250 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 251 | attr, buf, off, count, 0); |
| 252 | } |
| 253 | |
| 254 | static ssize_t pyra_sysfs_read_profile2_settings(struct file *fp, |
| 255 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 256 | loff_t off, size_t count) |
| 257 | { |
| 258 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 259 | attr, buf, off, count, 1); |
| 260 | } |
| 261 | |
| 262 | static ssize_t pyra_sysfs_read_profile3_settings(struct file *fp, |
| 263 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 264 | loff_t off, size_t count) |
| 265 | { |
| 266 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 267 | attr, buf, off, count, 2); |
| 268 | } |
| 269 | |
| 270 | static ssize_t pyra_sysfs_read_profile4_settings(struct file *fp, |
| 271 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 272 | loff_t off, size_t count) |
| 273 | { |
| 274 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 275 | attr, buf, off, count, 3); |
| 276 | } |
| 277 | |
| 278 | static ssize_t pyra_sysfs_read_profile5_settings(struct file *fp, |
| 279 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 280 | loff_t off, size_t count) |
| 281 | { |
| 282 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 283 | attr, buf, off, count, 4); |
| 284 | } |
| 285 | |
| 286 | static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, |
| 287 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 288 | loff_t off, size_t count, int number) |
| 289 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 290 | struct device *dev = |
| 291 | container_of(kobj, struct device, kobj)->parent->parent; |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 292 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 293 | |
| 294 | if (off >= sizeof(struct pyra_profile_buttons)) |
| 295 | return 0; |
| 296 | |
| 297 | if (off + count > sizeof(struct pyra_profile_buttons)) |
| 298 | count = sizeof(struct pyra_profile_buttons) - off; |
| 299 | |
| 300 | mutex_lock(&pyra->pyra_lock); |
| 301 | memcpy(buf, ((char const *)&pyra->profile_buttons[number]) + off, |
| 302 | count); |
| 303 | mutex_unlock(&pyra->pyra_lock); |
| 304 | |
| 305 | return count; |
| 306 | } |
| 307 | |
| 308 | static ssize_t pyra_sysfs_read_profile1_buttons(struct file *fp, |
| 309 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 310 | loff_t off, size_t count) |
| 311 | { |
| 312 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 313 | attr, buf, off, count, 0); |
| 314 | } |
| 315 | |
| 316 | static ssize_t pyra_sysfs_read_profile2_buttons(struct file *fp, |
| 317 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 318 | loff_t off, size_t count) |
| 319 | { |
| 320 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 321 | attr, buf, off, count, 1); |
| 322 | } |
| 323 | |
| 324 | static ssize_t pyra_sysfs_read_profile3_buttons(struct file *fp, |
| 325 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 326 | loff_t off, size_t count) |
| 327 | { |
| 328 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 329 | attr, buf, off, count, 2); |
| 330 | } |
| 331 | |
| 332 | static ssize_t pyra_sysfs_read_profile4_buttons(struct file *fp, |
| 333 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 334 | loff_t off, size_t count) |
| 335 | { |
| 336 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 337 | attr, buf, off, count, 3); |
| 338 | } |
| 339 | |
| 340 | static ssize_t pyra_sysfs_read_profile5_buttons(struct file *fp, |
| 341 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 342 | loff_t off, size_t count) |
| 343 | { |
| 344 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 345 | attr, buf, off, count, 4); |
| 346 | } |
| 347 | |
| 348 | static ssize_t pyra_sysfs_write_profile_settings(struct file *fp, |
| 349 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 350 | loff_t off, size_t count) |
| 351 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 352 | struct device *dev = |
| 353 | container_of(kobj, struct device, kobj)->parent->parent; |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 354 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 355 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
| 356 | int retval = 0; |
| 357 | int difference; |
| 358 | int profile_number; |
| 359 | struct pyra_profile_settings *profile_settings; |
| 360 | |
| 361 | if (off != 0 || count != sizeof(struct pyra_profile_settings)) |
| 362 | return -EINVAL; |
| 363 | |
| 364 | profile_number = ((struct pyra_profile_settings const *)buf)->number; |
| 365 | profile_settings = &pyra->profile_settings[profile_number]; |
| 366 | |
| 367 | mutex_lock(&pyra->pyra_lock); |
| 368 | difference = memcmp(buf, profile_settings, |
| 369 | sizeof(struct pyra_profile_settings)); |
| 370 | if (difference) { |
| 371 | retval = pyra_set_profile_settings(usb_dev, |
| 372 | (struct pyra_profile_settings const *)buf); |
| 373 | if (!retval) |
| 374 | memcpy(profile_settings, buf, |
| 375 | sizeof(struct pyra_profile_settings)); |
| 376 | } |
| 377 | mutex_unlock(&pyra->pyra_lock); |
| 378 | |
| 379 | if (retval) |
| 380 | return retval; |
| 381 | |
| 382 | return sizeof(struct pyra_profile_settings); |
| 383 | } |
| 384 | |
| 385 | static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp, |
| 386 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 387 | loff_t off, size_t count) |
| 388 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 389 | struct device *dev = |
| 390 | container_of(kobj, struct device, kobj)->parent->parent; |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 391 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 392 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
| 393 | int retval = 0; |
| 394 | int difference; |
| 395 | int profile_number; |
| 396 | struct pyra_profile_buttons *profile_buttons; |
| 397 | |
| 398 | if (off != 0 || count != sizeof(struct pyra_profile_buttons)) |
| 399 | return -EINVAL; |
| 400 | |
| 401 | profile_number = ((struct pyra_profile_buttons const *)buf)->number; |
| 402 | profile_buttons = &pyra->profile_buttons[profile_number]; |
| 403 | |
| 404 | mutex_lock(&pyra->pyra_lock); |
| 405 | difference = memcmp(buf, profile_buttons, |
| 406 | sizeof(struct pyra_profile_buttons)); |
| 407 | if (difference) { |
| 408 | retval = pyra_set_profile_buttons(usb_dev, |
| 409 | (struct pyra_profile_buttons const *)buf); |
| 410 | if (!retval) |
| 411 | memcpy(profile_buttons, buf, |
| 412 | sizeof(struct pyra_profile_buttons)); |
| 413 | } |
| 414 | mutex_unlock(&pyra->pyra_lock); |
| 415 | |
| 416 | if (retval) |
| 417 | return retval; |
| 418 | |
| 419 | return sizeof(struct pyra_profile_buttons); |
| 420 | } |
| 421 | |
| 422 | static ssize_t pyra_sysfs_read_settings(struct file *fp, |
| 423 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 424 | loff_t off, size_t count) |
| 425 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 426 | struct device *dev = |
| 427 | container_of(kobj, struct device, kobj)->parent->parent; |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 428 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 429 | |
| 430 | if (off >= sizeof(struct pyra_settings)) |
| 431 | return 0; |
| 432 | |
| 433 | if (off + count > sizeof(struct pyra_settings)) |
| 434 | count = sizeof(struct pyra_settings) - off; |
| 435 | |
| 436 | mutex_lock(&pyra->pyra_lock); |
| 437 | memcpy(buf, ((char const *)&pyra->settings) + off, count); |
| 438 | mutex_unlock(&pyra->pyra_lock); |
| 439 | |
| 440 | return count; |
| 441 | } |
| 442 | |
| 443 | static ssize_t pyra_sysfs_write_settings(struct file *fp, |
| 444 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 445 | loff_t off, size_t count) |
| 446 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 447 | struct device *dev = |
| 448 | container_of(kobj, struct device, kobj)->parent->parent; |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 449 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 450 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
| 451 | int retval = 0; |
| 452 | int difference; |
| 453 | |
| 454 | if (off != 0 || count != sizeof(struct pyra_settings)) |
| 455 | return -EINVAL; |
| 456 | |
| 457 | mutex_lock(&pyra->pyra_lock); |
| 458 | difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings)); |
| 459 | if (difference) { |
| 460 | retval = pyra_set_settings(usb_dev, |
| 461 | (struct pyra_settings const *)buf); |
| 462 | if (!retval) |
| 463 | memcpy(&pyra->settings, buf, |
| 464 | sizeof(struct pyra_settings)); |
| 465 | } |
| 466 | mutex_unlock(&pyra->pyra_lock); |
| 467 | |
| 468 | if (retval) |
| 469 | return retval; |
| 470 | |
| 471 | profile_activated(pyra, pyra->settings.startup_profile); |
| 472 | |
| 473 | return sizeof(struct pyra_settings); |
| 474 | } |
| 475 | |
| 476 | |
| 477 | static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, |
| 478 | struct device_attribute *attr, char *buf) |
| 479 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 480 | struct pyra_device *pyra = |
| 481 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 482 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); |
| 483 | } |
| 484 | |
| 485 | static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, |
| 486 | struct device_attribute *attr, char *buf) |
| 487 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 488 | struct pyra_device *pyra = |
| 489 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 490 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile); |
| 491 | } |
| 492 | |
| 493 | static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, |
| 494 | struct device_attribute *attr, char *buf) |
| 495 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 496 | struct pyra_device *pyra = |
| 497 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 498 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version); |
| 499 | } |
| 500 | |
| 501 | static ssize_t pyra_sysfs_show_startup_profile(struct device *dev, |
| 502 | struct device_attribute *attr, char *buf) |
| 503 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 504 | struct pyra_device *pyra = |
| 505 | hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 506 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile); |
| 507 | } |
| 508 | |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 509 | static struct device_attribute pyra_attributes[] = { |
| 510 | __ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL), |
| 511 | __ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL), |
| 512 | __ATTR(firmware_version, 0440, |
| 513 | pyra_sysfs_show_firmware_version, NULL), |
| 514 | __ATTR(startup_profile, 0440, |
| 515 | pyra_sysfs_show_startup_profile, NULL), |
| 516 | __ATTR_NULL |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 517 | }; |
| 518 | |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 519 | static struct bin_attribute pyra_bin_attributes[] = { |
| 520 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 521 | .attr = { .name = "profile_settings", .mode = 0220 }, |
| 522 | .size = sizeof(struct pyra_profile_settings), |
| 523 | .write = pyra_sysfs_write_profile_settings |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 524 | }, |
| 525 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 526 | .attr = { .name = "profile1_settings", .mode = 0440 }, |
| 527 | .size = sizeof(struct pyra_profile_settings), |
| 528 | .read = pyra_sysfs_read_profile1_settings |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 529 | }, |
| 530 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 531 | .attr = { .name = "profile2_settings", .mode = 0440 }, |
| 532 | .size = sizeof(struct pyra_profile_settings), |
| 533 | .read = pyra_sysfs_read_profile2_settings |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 534 | }, |
| 535 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 536 | .attr = { .name = "profile3_settings", .mode = 0440 }, |
| 537 | .size = sizeof(struct pyra_profile_settings), |
| 538 | .read = pyra_sysfs_read_profile3_settings |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 539 | }, |
| 540 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 541 | .attr = { .name = "profile4_settings", .mode = 0440 }, |
| 542 | .size = sizeof(struct pyra_profile_settings), |
| 543 | .read = pyra_sysfs_read_profile4_settings |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 544 | }, |
| 545 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 546 | .attr = { .name = "profile5_settings", .mode = 0440 }, |
| 547 | .size = sizeof(struct pyra_profile_settings), |
| 548 | .read = pyra_sysfs_read_profile5_settings |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 549 | }, |
| 550 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 551 | .attr = { .name = "profile_buttons", .mode = 0220 }, |
| 552 | .size = sizeof(struct pyra_profile_buttons), |
| 553 | .write = pyra_sysfs_write_profile_buttons |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 554 | }, |
| 555 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 556 | .attr = { .name = "profile1_buttons", .mode = 0440 }, |
| 557 | .size = sizeof(struct pyra_profile_buttons), |
| 558 | .read = pyra_sysfs_read_profile1_buttons |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 559 | }, |
| 560 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 561 | .attr = { .name = "profile2_buttons", .mode = 0440 }, |
| 562 | .size = sizeof(struct pyra_profile_buttons), |
| 563 | .read = pyra_sysfs_read_profile2_buttons |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 564 | }, |
| 565 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 566 | .attr = { .name = "profile3_buttons", .mode = 0440 }, |
| 567 | .size = sizeof(struct pyra_profile_buttons), |
| 568 | .read = pyra_sysfs_read_profile3_buttons |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 569 | }, |
| 570 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 571 | .attr = { .name = "profile4_buttons", .mode = 0440 }, |
| 572 | .size = sizeof(struct pyra_profile_buttons), |
| 573 | .read = pyra_sysfs_read_profile4_buttons |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 574 | }, |
| 575 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 576 | .attr = { .name = "profile5_buttons", .mode = 0440 }, |
| 577 | .size = sizeof(struct pyra_profile_buttons), |
| 578 | .read = pyra_sysfs_read_profile5_buttons |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 579 | }, |
| 580 | { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 581 | .attr = { .name = "settings", .mode = 0660 }, |
| 582 | .size = sizeof(struct pyra_settings), |
| 583 | .read = pyra_sysfs_read_settings, |
| 584 | .write = pyra_sysfs_write_settings |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 585 | }, |
| 586 | __ATTR_NULL |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 587 | }; |
| 588 | |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 589 | static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, |
| 590 | struct pyra_device *pyra) |
| 591 | { |
| 592 | struct pyra_info *info; |
| 593 | int retval, i; |
| 594 | |
| 595 | mutex_init(&pyra->pyra_lock); |
| 596 | |
| 597 | info = kmalloc(sizeof(struct pyra_info), GFP_KERNEL); |
| 598 | if (!info) |
| 599 | return -ENOMEM; |
| 600 | retval = pyra_get_info(usb_dev, info); |
| 601 | if (retval) { |
| 602 | kfree(info); |
| 603 | return retval; |
| 604 | } |
| 605 | pyra->firmware_version = info->firmware_version; |
| 606 | kfree(info); |
| 607 | |
| 608 | retval = pyra_get_settings(usb_dev, &pyra->settings); |
| 609 | if (retval) |
| 610 | return retval; |
| 611 | |
| 612 | for (i = 0; i < 5; ++i) { |
| 613 | retval = pyra_get_profile_settings(usb_dev, |
| 614 | &pyra->profile_settings[i], i); |
| 615 | if (retval) |
| 616 | return retval; |
| 617 | |
| 618 | retval = pyra_get_profile_buttons(usb_dev, |
| 619 | &pyra->profile_buttons[i], i); |
| 620 | if (retval) |
| 621 | return retval; |
| 622 | } |
| 623 | |
| 624 | profile_activated(pyra, pyra->settings.startup_profile); |
| 625 | |
| 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | static int pyra_init_specials(struct hid_device *hdev) |
| 630 | { |
| 631 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
| 632 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
| 633 | struct pyra_device *pyra; |
| 634 | int retval; |
| 635 | |
| 636 | if (intf->cur_altsetting->desc.bInterfaceProtocol |
| 637 | == USB_INTERFACE_PROTOCOL_MOUSE) { |
| 638 | |
| 639 | pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); |
| 640 | if (!pyra) { |
Joe Perches | 4291ee3 | 2010-12-09 19:29:03 -0800 | [diff] [blame] | 641 | hid_err(hdev, "can't alloc device descriptor\n"); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 642 | return -ENOMEM; |
| 643 | } |
| 644 | hid_set_drvdata(hdev, pyra); |
| 645 | |
| 646 | retval = pyra_init_pyra_device_struct(usb_dev, pyra); |
| 647 | if (retval) { |
Joe Perches | 4291ee3 | 2010-12-09 19:29:03 -0800 | [diff] [blame] | 648 | hid_err(hdev, "couldn't init struct pyra_device\n"); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 649 | goto exit_free; |
| 650 | } |
| 651 | |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 652 | retval = roccat_connect(pyra_class, hdev); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 653 | if (retval < 0) { |
Joe Perches | 4291ee3 | 2010-12-09 19:29:03 -0800 | [diff] [blame] | 654 | hid_err(hdev, "couldn't init char dev\n"); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 655 | } else { |
| 656 | pyra->chrdev_minor = retval; |
| 657 | pyra->roccat_claimed = 1; |
| 658 | } |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 659 | } else { |
| 660 | hid_set_drvdata(hdev, NULL); |
| 661 | } |
| 662 | |
| 663 | return 0; |
| 664 | exit_free: |
| 665 | kfree(pyra); |
| 666 | return retval; |
| 667 | } |
| 668 | |
| 669 | static void pyra_remove_specials(struct hid_device *hdev) |
| 670 | { |
| 671 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
| 672 | struct pyra_device *pyra; |
| 673 | |
| 674 | if (intf->cur_altsetting->desc.bInterfaceProtocol |
| 675 | == USB_INTERFACE_PROTOCOL_MOUSE) { |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 676 | pyra = hid_get_drvdata(hdev); |
| 677 | if (pyra->roccat_claimed) |
| 678 | roccat_disconnect(pyra->chrdev_minor); |
| 679 | kfree(hid_get_drvdata(hdev)); |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) |
| 684 | { |
| 685 | int retval; |
| 686 | |
| 687 | retval = hid_parse(hdev); |
| 688 | if (retval) { |
Joe Perches | 4291ee3 | 2010-12-09 19:29:03 -0800 | [diff] [blame] | 689 | hid_err(hdev, "parse failed\n"); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 690 | goto exit; |
| 691 | } |
| 692 | |
| 693 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
| 694 | if (retval) { |
Joe Perches | 4291ee3 | 2010-12-09 19:29:03 -0800 | [diff] [blame] | 695 | hid_err(hdev, "hw start failed\n"); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 696 | goto exit; |
| 697 | } |
| 698 | |
| 699 | retval = pyra_init_specials(hdev); |
| 700 | if (retval) { |
Joe Perches | 4291ee3 | 2010-12-09 19:29:03 -0800 | [diff] [blame] | 701 | hid_err(hdev, "couldn't install mouse\n"); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 702 | goto exit_stop; |
| 703 | } |
| 704 | return 0; |
| 705 | |
| 706 | exit_stop: |
| 707 | hid_hw_stop(hdev); |
| 708 | exit: |
| 709 | return retval; |
| 710 | } |
| 711 | |
| 712 | static void pyra_remove(struct hid_device *hdev) |
| 713 | { |
| 714 | pyra_remove_specials(hdev); |
| 715 | hid_hw_stop(hdev); |
| 716 | } |
| 717 | |
| 718 | static void pyra_keep_values_up_to_date(struct pyra_device *pyra, |
| 719 | u8 const *data) |
| 720 | { |
| 721 | struct pyra_mouse_event_button const *button_event; |
| 722 | |
| 723 | switch (data[0]) { |
| 724 | case PYRA_MOUSE_REPORT_NUMBER_BUTTON: |
| 725 | button_event = (struct pyra_mouse_event_button const *)data; |
| 726 | switch (button_event->type) { |
| 727 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: |
| 728 | profile_activated(pyra, button_event->data1 - 1); |
| 729 | break; |
| 730 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: |
| 731 | pyra->actual_cpi = button_event->data1; |
| 732 | break; |
| 733 | } |
| 734 | break; |
| 735 | } |
| 736 | } |
| 737 | |
| 738 | static void pyra_report_to_chrdev(struct pyra_device const *pyra, |
| 739 | u8 const *data) |
| 740 | { |
| 741 | struct pyra_roccat_report roccat_report; |
| 742 | struct pyra_mouse_event_button const *button_event; |
| 743 | |
| 744 | if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON) |
| 745 | return; |
| 746 | |
| 747 | button_event = (struct pyra_mouse_event_button const *)data; |
| 748 | |
| 749 | switch (button_event->type) { |
| 750 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: |
| 751 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: |
| 752 | roccat_report.type = button_event->type; |
| 753 | roccat_report.value = button_event->data1; |
| 754 | roccat_report.key = 0; |
| 755 | roccat_report_event(pyra->chrdev_minor, |
| 756 | (uint8_t const *)&roccat_report, |
| 757 | sizeof(struct pyra_roccat_report)); |
| 758 | break; |
| 759 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: |
| 760 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: |
| 761 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH: |
| 762 | if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) { |
| 763 | roccat_report.type = button_event->type; |
| 764 | roccat_report.key = button_event->data1; |
Stefan Achatz | d2b570a | 2010-09-01 12:42:23 +0200 | [diff] [blame] | 765 | /* |
| 766 | * pyra reports profile numbers with range 1-5. |
| 767 | * Keeping this behaviour. |
| 768 | */ |
| 769 | roccat_report.value = pyra->actual_profile + 1; |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 770 | roccat_report_event(pyra->chrdev_minor, |
| 771 | (uint8_t const *)&roccat_report, |
| 772 | sizeof(struct pyra_roccat_report)); |
| 773 | } |
| 774 | break; |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, |
| 779 | u8 *data, int size) |
| 780 | { |
| 781 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
| 782 | struct pyra_device *pyra = hid_get_drvdata(hdev); |
| 783 | |
| 784 | if (intf->cur_altsetting->desc.bInterfaceProtocol |
| 785 | != USB_INTERFACE_PROTOCOL_MOUSE) |
| 786 | return 0; |
| 787 | |
| 788 | pyra_keep_values_up_to_date(pyra, data); |
| 789 | |
| 790 | if (pyra->roccat_claimed) |
| 791 | pyra_report_to_chrdev(pyra, data); |
| 792 | |
| 793 | return 0; |
| 794 | } |
| 795 | |
| 796 | static const struct hid_device_id pyra_devices[] = { |
| 797 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, |
| 798 | USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, |
| 799 | /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */ |
| 800 | { } |
| 801 | }; |
| 802 | |
| 803 | MODULE_DEVICE_TABLE(hid, pyra_devices); |
| 804 | |
| 805 | static struct hid_driver pyra_driver = { |
| 806 | .name = "pyra", |
| 807 | .id_table = pyra_devices, |
| 808 | .probe = pyra_probe, |
| 809 | .remove = pyra_remove, |
| 810 | .raw_event = pyra_raw_event |
| 811 | }; |
| 812 | |
| 813 | static int __init pyra_init(void) |
| 814 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 815 | int retval; |
| 816 | |
| 817 | /* class name has to be same as driver name */ |
| 818 | pyra_class = class_create(THIS_MODULE, "pyra"); |
| 819 | if (IS_ERR(pyra_class)) |
| 820 | return PTR_ERR(pyra_class); |
| 821 | pyra_class->dev_attrs = pyra_attributes; |
| 822 | pyra_class->dev_bin_attrs = pyra_bin_attributes; |
| 823 | |
| 824 | retval = hid_register_driver(&pyra_driver); |
| 825 | if (retval) |
| 826 | class_destroy(pyra_class); |
| 827 | return retval; |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 828 | } |
| 829 | |
| 830 | static void __exit pyra_exit(void) |
| 831 | { |
Stefan Achatz | 5012aad | 2010-11-26 19:57:33 +0000 | [diff] [blame^] | 832 | class_destroy(pyra_class); |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 833 | hid_unregister_driver(&pyra_driver); |
| 834 | } |
| 835 | |
| 836 | module_init(pyra_init); |
| 837 | module_exit(pyra_exit); |
| 838 | |
| 839 | MODULE_AUTHOR("Stefan Achatz"); |
| 840 | MODULE_DESCRIPTION("USB Roccat Pyra driver"); |
| 841 | MODULE_LICENSE("GPL v2"); |