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 | |
| 30 | static void profile_activated(struct pyra_device *pyra, |
| 31 | unsigned int new_profile) |
| 32 | { |
| 33 | pyra->actual_profile = new_profile; |
| 34 | pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi; |
| 35 | } |
| 36 | |
| 37 | static int pyra_send_control(struct usb_device *usb_dev, int value, |
| 38 | enum pyra_control_requests request) |
| 39 | { |
| 40 | int len; |
| 41 | struct pyra_control control; |
| 42 | |
| 43 | if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS || |
| 44 | request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) && |
| 45 | (value < 0 || value > 4)) |
| 46 | return -EINVAL; |
| 47 | |
| 48 | control.command = PYRA_COMMAND_CONTROL; |
| 49 | control.value = value; |
| 50 | control.request = request; |
| 51 | |
| 52 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 53 | USB_REQ_SET_CONFIGURATION, |
| 54 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, |
| 55 | PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, |
| 56 | sizeof(struct pyra_control), |
| 57 | USB_CTRL_SET_TIMEOUT); |
| 58 | |
| 59 | if (len != sizeof(struct pyra_control)) |
| 60 | return len; |
| 61 | |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | static int pyra_receive_control_status(struct usb_device *usb_dev) |
| 66 | { |
| 67 | int len; |
| 68 | struct pyra_control control; |
| 69 | |
| 70 | do { |
| 71 | msleep(10); |
| 72 | |
| 73 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 74 | USB_REQ_CLEAR_FEATURE, |
| 75 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | |
| 76 | USB_DIR_IN, |
| 77 | PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, |
| 78 | sizeof(struct pyra_control), |
| 79 | USB_CTRL_SET_TIMEOUT); |
| 80 | |
| 81 | /* requested too early, try again */ |
| 82 | } while (len == -EPROTO); |
| 83 | |
| 84 | if (len == sizeof(struct pyra_control) && |
| 85 | control.command == PYRA_COMMAND_CONTROL && |
| 86 | control.request == PYRA_CONTROL_REQUEST_STATUS && |
| 87 | control.value == 1) |
| 88 | return 0; |
| 89 | else { |
| 90 | dev_err(&usb_dev->dev, "receive control status: " |
| 91 | "unknown response 0x%x 0x%x\n", |
| 92 | control.request, control.value); |
| 93 | return -EINVAL; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | static int pyra_get_profile_settings(struct usb_device *usb_dev, |
| 98 | struct pyra_profile_settings *buf, int number) |
| 99 | { |
| 100 | int retval; |
| 101 | |
| 102 | retval = pyra_send_control(usb_dev, number, |
| 103 | PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); |
| 104 | |
| 105 | if (retval) |
| 106 | return retval; |
| 107 | |
| 108 | retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 109 | USB_REQ_CLEAR_FEATURE, |
| 110 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, |
| 111 | PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)buf, |
| 112 | sizeof(struct pyra_profile_settings), |
| 113 | USB_CTRL_SET_TIMEOUT); |
| 114 | |
| 115 | if (retval != sizeof(struct pyra_profile_settings)) |
| 116 | return retval; |
| 117 | |
| 118 | return 0; |
| 119 | } |
| 120 | |
| 121 | static int pyra_get_profile_buttons(struct usb_device *usb_dev, |
| 122 | struct pyra_profile_buttons *buf, int number) |
| 123 | { |
| 124 | int retval; |
| 125 | |
| 126 | retval = pyra_send_control(usb_dev, number, |
| 127 | PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); |
| 128 | |
| 129 | if (retval) |
| 130 | return retval; |
| 131 | |
| 132 | retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 133 | USB_REQ_CLEAR_FEATURE, |
| 134 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, |
| 135 | PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buf, |
| 136 | sizeof(struct pyra_profile_buttons), |
| 137 | USB_CTRL_SET_TIMEOUT); |
| 138 | |
| 139 | if (retval != sizeof(struct pyra_profile_buttons)) |
| 140 | return retval; |
| 141 | |
| 142 | return 0; |
| 143 | } |
| 144 | |
| 145 | static int pyra_get_settings(struct usb_device *usb_dev, |
| 146 | struct pyra_settings *buf) |
| 147 | { |
| 148 | int len; |
| 149 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 150 | USB_REQ_CLEAR_FEATURE, |
| 151 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, |
| 152 | PYRA_USB_COMMAND_SETTINGS, 0, buf, |
| 153 | sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); |
| 154 | if (len != sizeof(struct pyra_settings)) |
| 155 | return -EIO; |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf) |
| 160 | { |
| 161 | int len; |
| 162 | len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
| 163 | USB_REQ_CLEAR_FEATURE, |
| 164 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, |
| 165 | PYRA_USB_COMMAND_INFO, 0, buf, |
| 166 | sizeof(struct pyra_info), USB_CTRL_SET_TIMEOUT); |
| 167 | if (len != sizeof(struct pyra_info)) |
| 168 | return -EIO; |
| 169 | return 0; |
| 170 | } |
| 171 | |
| 172 | static int pyra_set_profile_settings(struct usb_device *usb_dev, |
| 173 | struct pyra_profile_settings const *settings) |
| 174 | { |
| 175 | int len; |
| 176 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 177 | USB_REQ_SET_CONFIGURATION, |
| 178 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, |
| 179 | PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)settings, |
| 180 | sizeof(struct pyra_profile_settings), |
| 181 | USB_CTRL_SET_TIMEOUT); |
| 182 | if (len != sizeof(struct pyra_profile_settings)) |
| 183 | return -EIO; |
| 184 | if (pyra_receive_control_status(usb_dev)) |
| 185 | return -EIO; |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | static int pyra_set_profile_buttons(struct usb_device *usb_dev, |
| 190 | struct pyra_profile_buttons const *buttons) |
| 191 | { |
| 192 | int len; |
| 193 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 194 | USB_REQ_SET_CONFIGURATION, |
| 195 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, |
| 196 | PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buttons, |
| 197 | sizeof(struct pyra_profile_buttons), |
| 198 | USB_CTRL_SET_TIMEOUT); |
| 199 | if (len != sizeof(struct pyra_profile_buttons)) |
| 200 | return -EIO; |
| 201 | if (pyra_receive_control_status(usb_dev)) |
| 202 | return -EIO; |
| 203 | return 0; |
| 204 | } |
| 205 | |
| 206 | static int pyra_set_settings(struct usb_device *usb_dev, |
| 207 | struct pyra_settings const *settings) |
| 208 | { |
| 209 | int len; |
| 210 | len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
| 211 | USB_REQ_SET_CONFIGURATION, |
| 212 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, |
| 213 | PYRA_USB_COMMAND_SETTINGS, 0, (char *)settings, |
| 214 | sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); |
| 215 | if (len != sizeof(struct pyra_settings)) |
| 216 | return -EIO; |
| 217 | if (pyra_receive_control_status(usb_dev)) |
| 218 | return -EIO; |
| 219 | return 0; |
| 220 | } |
| 221 | |
| 222 | static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, |
| 223 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 224 | loff_t off, size_t count, int number) |
| 225 | { |
| 226 | struct device *dev = container_of(kobj, struct device, kobj); |
| 227 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 228 | |
| 229 | if (off >= sizeof(struct pyra_profile_settings)) |
| 230 | return 0; |
| 231 | |
| 232 | if (off + count > sizeof(struct pyra_profile_settings)) |
| 233 | count = sizeof(struct pyra_profile_settings) - off; |
| 234 | |
| 235 | mutex_lock(&pyra->pyra_lock); |
| 236 | memcpy(buf, ((char const *)&pyra->profile_settings[number]) + off, |
| 237 | count); |
| 238 | mutex_unlock(&pyra->pyra_lock); |
| 239 | |
| 240 | return count; |
| 241 | } |
| 242 | |
| 243 | static ssize_t pyra_sysfs_read_profile1_settings(struct file *fp, |
| 244 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 245 | loff_t off, size_t count) |
| 246 | { |
| 247 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 248 | attr, buf, off, count, 0); |
| 249 | } |
| 250 | |
| 251 | static ssize_t pyra_sysfs_read_profile2_settings(struct file *fp, |
| 252 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 253 | loff_t off, size_t count) |
| 254 | { |
| 255 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 256 | attr, buf, off, count, 1); |
| 257 | } |
| 258 | |
| 259 | static ssize_t pyra_sysfs_read_profile3_settings(struct file *fp, |
| 260 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 261 | loff_t off, size_t count) |
| 262 | { |
| 263 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 264 | attr, buf, off, count, 2); |
| 265 | } |
| 266 | |
| 267 | static ssize_t pyra_sysfs_read_profile4_settings(struct file *fp, |
| 268 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 269 | loff_t off, size_t count) |
| 270 | { |
| 271 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 272 | attr, buf, off, count, 3); |
| 273 | } |
| 274 | |
| 275 | static ssize_t pyra_sysfs_read_profile5_settings(struct file *fp, |
| 276 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 277 | loff_t off, size_t count) |
| 278 | { |
| 279 | return pyra_sysfs_read_profilex_settings(fp, kobj, |
| 280 | attr, buf, off, count, 4); |
| 281 | } |
| 282 | |
| 283 | static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, |
| 284 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 285 | loff_t off, size_t count, int number) |
| 286 | { |
| 287 | struct device *dev = container_of(kobj, struct device, kobj); |
| 288 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 289 | |
| 290 | if (off >= sizeof(struct pyra_profile_buttons)) |
| 291 | return 0; |
| 292 | |
| 293 | if (off + count > sizeof(struct pyra_profile_buttons)) |
| 294 | count = sizeof(struct pyra_profile_buttons) - off; |
| 295 | |
| 296 | mutex_lock(&pyra->pyra_lock); |
| 297 | memcpy(buf, ((char const *)&pyra->profile_buttons[number]) + off, |
| 298 | count); |
| 299 | mutex_unlock(&pyra->pyra_lock); |
| 300 | |
| 301 | return count; |
| 302 | } |
| 303 | |
| 304 | static ssize_t pyra_sysfs_read_profile1_buttons(struct file *fp, |
| 305 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 306 | loff_t off, size_t count) |
| 307 | { |
| 308 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 309 | attr, buf, off, count, 0); |
| 310 | } |
| 311 | |
| 312 | static ssize_t pyra_sysfs_read_profile2_buttons(struct file *fp, |
| 313 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 314 | loff_t off, size_t count) |
| 315 | { |
| 316 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 317 | attr, buf, off, count, 1); |
| 318 | } |
| 319 | |
| 320 | static ssize_t pyra_sysfs_read_profile3_buttons(struct file *fp, |
| 321 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 322 | loff_t off, size_t count) |
| 323 | { |
| 324 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 325 | attr, buf, off, count, 2); |
| 326 | } |
| 327 | |
| 328 | static ssize_t pyra_sysfs_read_profile4_buttons(struct file *fp, |
| 329 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 330 | loff_t off, size_t count) |
| 331 | { |
| 332 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 333 | attr, buf, off, count, 3); |
| 334 | } |
| 335 | |
| 336 | static ssize_t pyra_sysfs_read_profile5_buttons(struct file *fp, |
| 337 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 338 | loff_t off, size_t count) |
| 339 | { |
| 340 | return pyra_sysfs_read_profilex_buttons(fp, kobj, |
| 341 | attr, buf, off, count, 4); |
| 342 | } |
| 343 | |
| 344 | static ssize_t pyra_sysfs_write_profile_settings(struct file *fp, |
| 345 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 346 | loff_t off, size_t count) |
| 347 | { |
| 348 | struct device *dev = container_of(kobj, struct device, kobj); |
| 349 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 350 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
| 351 | int retval = 0; |
| 352 | int difference; |
| 353 | int profile_number; |
| 354 | struct pyra_profile_settings *profile_settings; |
| 355 | |
| 356 | if (off != 0 || count != sizeof(struct pyra_profile_settings)) |
| 357 | return -EINVAL; |
| 358 | |
| 359 | profile_number = ((struct pyra_profile_settings const *)buf)->number; |
| 360 | profile_settings = &pyra->profile_settings[profile_number]; |
| 361 | |
| 362 | mutex_lock(&pyra->pyra_lock); |
| 363 | difference = memcmp(buf, profile_settings, |
| 364 | sizeof(struct pyra_profile_settings)); |
| 365 | if (difference) { |
| 366 | retval = pyra_set_profile_settings(usb_dev, |
| 367 | (struct pyra_profile_settings const *)buf); |
| 368 | if (!retval) |
| 369 | memcpy(profile_settings, buf, |
| 370 | sizeof(struct pyra_profile_settings)); |
| 371 | } |
| 372 | mutex_unlock(&pyra->pyra_lock); |
| 373 | |
| 374 | if (retval) |
| 375 | return retval; |
| 376 | |
| 377 | return sizeof(struct pyra_profile_settings); |
| 378 | } |
| 379 | |
| 380 | static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp, |
| 381 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 382 | loff_t off, size_t count) |
| 383 | { |
| 384 | struct device *dev = container_of(kobj, struct device, kobj); |
| 385 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 386 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
| 387 | int retval = 0; |
| 388 | int difference; |
| 389 | int profile_number; |
| 390 | struct pyra_profile_buttons *profile_buttons; |
| 391 | |
| 392 | if (off != 0 || count != sizeof(struct pyra_profile_buttons)) |
| 393 | return -EINVAL; |
| 394 | |
| 395 | profile_number = ((struct pyra_profile_buttons const *)buf)->number; |
| 396 | profile_buttons = &pyra->profile_buttons[profile_number]; |
| 397 | |
| 398 | mutex_lock(&pyra->pyra_lock); |
| 399 | difference = memcmp(buf, profile_buttons, |
| 400 | sizeof(struct pyra_profile_buttons)); |
| 401 | if (difference) { |
| 402 | retval = pyra_set_profile_buttons(usb_dev, |
| 403 | (struct pyra_profile_buttons const *)buf); |
| 404 | if (!retval) |
| 405 | memcpy(profile_buttons, buf, |
| 406 | sizeof(struct pyra_profile_buttons)); |
| 407 | } |
| 408 | mutex_unlock(&pyra->pyra_lock); |
| 409 | |
| 410 | if (retval) |
| 411 | return retval; |
| 412 | |
| 413 | return sizeof(struct pyra_profile_buttons); |
| 414 | } |
| 415 | |
| 416 | static ssize_t pyra_sysfs_read_settings(struct file *fp, |
| 417 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 418 | loff_t off, size_t count) |
| 419 | { |
| 420 | struct device *dev = container_of(kobj, struct device, kobj); |
| 421 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 422 | |
| 423 | if (off >= sizeof(struct pyra_settings)) |
| 424 | return 0; |
| 425 | |
| 426 | if (off + count > sizeof(struct pyra_settings)) |
| 427 | count = sizeof(struct pyra_settings) - off; |
| 428 | |
| 429 | mutex_lock(&pyra->pyra_lock); |
| 430 | memcpy(buf, ((char const *)&pyra->settings) + off, count); |
| 431 | mutex_unlock(&pyra->pyra_lock); |
| 432 | |
| 433 | return count; |
| 434 | } |
| 435 | |
| 436 | static ssize_t pyra_sysfs_write_settings(struct file *fp, |
| 437 | struct kobject *kobj, struct bin_attribute *attr, char *buf, |
| 438 | loff_t off, size_t count) |
| 439 | { |
| 440 | struct device *dev = container_of(kobj, struct device, kobj); |
| 441 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 442 | struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); |
| 443 | int retval = 0; |
| 444 | int difference; |
| 445 | |
| 446 | if (off != 0 || count != sizeof(struct pyra_settings)) |
| 447 | return -EINVAL; |
| 448 | |
| 449 | mutex_lock(&pyra->pyra_lock); |
| 450 | difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings)); |
| 451 | if (difference) { |
| 452 | retval = pyra_set_settings(usb_dev, |
| 453 | (struct pyra_settings const *)buf); |
| 454 | if (!retval) |
| 455 | memcpy(&pyra->settings, buf, |
| 456 | sizeof(struct pyra_settings)); |
| 457 | } |
| 458 | mutex_unlock(&pyra->pyra_lock); |
| 459 | |
| 460 | if (retval) |
| 461 | return retval; |
| 462 | |
| 463 | profile_activated(pyra, pyra->settings.startup_profile); |
| 464 | |
| 465 | return sizeof(struct pyra_settings); |
| 466 | } |
| 467 | |
| 468 | |
| 469 | static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, |
| 470 | struct device_attribute *attr, char *buf) |
| 471 | { |
| 472 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 473 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); |
| 474 | } |
| 475 | |
| 476 | static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, |
| 477 | struct device_attribute *attr, char *buf) |
| 478 | { |
| 479 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 480 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile); |
| 481 | } |
| 482 | |
| 483 | static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, |
| 484 | struct device_attribute *attr, char *buf) |
| 485 | { |
| 486 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 487 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version); |
| 488 | } |
| 489 | |
| 490 | static ssize_t pyra_sysfs_show_startup_profile(struct device *dev, |
| 491 | struct device_attribute *attr, char *buf) |
| 492 | { |
| 493 | struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); |
| 494 | return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile); |
| 495 | } |
| 496 | |
| 497 | static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL); |
| 498 | |
| 499 | static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL); |
| 500 | |
| 501 | static DEVICE_ATTR(firmware_version, 0440, |
| 502 | pyra_sysfs_show_firmware_version, NULL); |
| 503 | |
| 504 | static DEVICE_ATTR(startup_profile, 0440, |
| 505 | pyra_sysfs_show_startup_profile, NULL); |
| 506 | |
| 507 | static struct attribute *pyra_attributes[] = { |
| 508 | &dev_attr_actual_cpi.attr, |
| 509 | &dev_attr_actual_profile.attr, |
| 510 | &dev_attr_firmware_version.attr, |
| 511 | &dev_attr_startup_profile.attr, |
| 512 | NULL |
| 513 | }; |
| 514 | |
| 515 | static struct attribute_group pyra_attribute_group = { |
| 516 | .attrs = pyra_attributes |
| 517 | }; |
| 518 | |
| 519 | static struct bin_attribute pyra_profile_settings_attr = { |
| 520 | .attr = { .name = "profile_settings", .mode = 0220 }, |
| 521 | .size = sizeof(struct pyra_profile_settings), |
| 522 | .write = pyra_sysfs_write_profile_settings |
| 523 | }; |
| 524 | |
| 525 | static struct bin_attribute pyra_profile1_settings_attr = { |
| 526 | .attr = { .name = "profile1_settings", .mode = 0440 }, |
| 527 | .size = sizeof(struct pyra_profile_settings), |
| 528 | .read = pyra_sysfs_read_profile1_settings |
| 529 | }; |
| 530 | |
| 531 | static struct bin_attribute pyra_profile2_settings_attr = { |
| 532 | .attr = { .name = "profile2_settings", .mode = 0440 }, |
| 533 | .size = sizeof(struct pyra_profile_settings), |
| 534 | .read = pyra_sysfs_read_profile2_settings |
| 535 | }; |
| 536 | |
| 537 | static struct bin_attribute pyra_profile3_settings_attr = { |
| 538 | .attr = { .name = "profile3_settings", .mode = 0440 }, |
| 539 | .size = sizeof(struct pyra_profile_settings), |
| 540 | .read = pyra_sysfs_read_profile3_settings |
| 541 | }; |
| 542 | |
| 543 | static struct bin_attribute pyra_profile4_settings_attr = { |
| 544 | .attr = { .name = "profile4_settings", .mode = 0440 }, |
| 545 | .size = sizeof(struct pyra_profile_settings), |
| 546 | .read = pyra_sysfs_read_profile4_settings |
| 547 | }; |
| 548 | |
| 549 | static struct bin_attribute pyra_profile5_settings_attr = { |
| 550 | .attr = { .name = "profile5_settings", .mode = 0440 }, |
| 551 | .size = sizeof(struct pyra_profile_settings), |
| 552 | .read = pyra_sysfs_read_profile5_settings |
| 553 | }; |
| 554 | |
| 555 | static struct bin_attribute pyra_profile_buttons_attr = { |
| 556 | .attr = { .name = "profile_buttons", .mode = 0220 }, |
| 557 | .size = sizeof(struct pyra_profile_buttons), |
| 558 | .write = pyra_sysfs_write_profile_buttons |
| 559 | }; |
| 560 | |
| 561 | static struct bin_attribute pyra_profile1_buttons_attr = { |
| 562 | .attr = { .name = "profile1_buttons", .mode = 0440 }, |
| 563 | .size = sizeof(struct pyra_profile_buttons), |
| 564 | .read = pyra_sysfs_read_profile1_buttons |
| 565 | }; |
| 566 | |
| 567 | static struct bin_attribute pyra_profile2_buttons_attr = { |
| 568 | .attr = { .name = "profile2_buttons", .mode = 0440 }, |
| 569 | .size = sizeof(struct pyra_profile_buttons), |
| 570 | .read = pyra_sysfs_read_profile2_buttons |
| 571 | }; |
| 572 | |
| 573 | static struct bin_attribute pyra_profile3_buttons_attr = { |
| 574 | .attr = { .name = "profile3_buttons", .mode = 0440 }, |
| 575 | .size = sizeof(struct pyra_profile_buttons), |
| 576 | .read = pyra_sysfs_read_profile3_buttons |
| 577 | }; |
| 578 | |
| 579 | static struct bin_attribute pyra_profile4_buttons_attr = { |
| 580 | .attr = { .name = "profile4_buttons", .mode = 0440 }, |
| 581 | .size = sizeof(struct pyra_profile_buttons), |
| 582 | .read = pyra_sysfs_read_profile4_buttons |
| 583 | }; |
| 584 | |
| 585 | static struct bin_attribute pyra_profile5_buttons_attr = { |
| 586 | .attr = { .name = "profile5_buttons", .mode = 0440 }, |
| 587 | .size = sizeof(struct pyra_profile_buttons), |
| 588 | .read = pyra_sysfs_read_profile5_buttons |
| 589 | }; |
| 590 | |
| 591 | static struct bin_attribute pyra_settings_attr = { |
| 592 | .attr = { .name = "settings", .mode = 0660 }, |
| 593 | .size = sizeof(struct pyra_settings), |
| 594 | .read = pyra_sysfs_read_settings, |
| 595 | .write = pyra_sysfs_write_settings |
| 596 | }; |
| 597 | |
| 598 | static int pyra_create_sysfs_attributes(struct usb_interface *intf) |
| 599 | { |
| 600 | int retval; |
| 601 | |
| 602 | retval = sysfs_create_group(&intf->dev.kobj, &pyra_attribute_group); |
| 603 | if (retval) |
| 604 | goto exit_1; |
| 605 | |
| 606 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 607 | &pyra_profile_settings_attr); |
| 608 | if (retval) |
| 609 | goto exit_2; |
| 610 | |
| 611 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 612 | &pyra_profile1_settings_attr); |
| 613 | if (retval) |
| 614 | goto exit_3; |
| 615 | |
| 616 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 617 | &pyra_profile2_settings_attr); |
| 618 | if (retval) |
| 619 | goto exit_4; |
| 620 | |
| 621 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 622 | &pyra_profile3_settings_attr); |
| 623 | if (retval) |
| 624 | goto exit_5; |
| 625 | |
| 626 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 627 | &pyra_profile4_settings_attr); |
| 628 | if (retval) |
| 629 | goto exit_6; |
| 630 | |
| 631 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 632 | &pyra_profile5_settings_attr); |
| 633 | if (retval) |
| 634 | goto exit_7; |
| 635 | |
| 636 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 637 | &pyra_profile_buttons_attr); |
| 638 | if (retval) |
| 639 | goto exit_8; |
| 640 | |
| 641 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 642 | &pyra_profile1_buttons_attr); |
| 643 | if (retval) |
| 644 | goto exit_9; |
| 645 | |
| 646 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 647 | &pyra_profile2_buttons_attr); |
| 648 | if (retval) |
| 649 | goto exit_10; |
| 650 | |
| 651 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 652 | &pyra_profile3_buttons_attr); |
| 653 | if (retval) |
| 654 | goto exit_11; |
| 655 | |
| 656 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 657 | &pyra_profile4_buttons_attr); |
| 658 | if (retval) |
| 659 | goto exit_12; |
| 660 | |
| 661 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 662 | &pyra_profile5_buttons_attr); |
| 663 | if (retval) |
| 664 | goto exit_13; |
| 665 | |
| 666 | retval = sysfs_create_bin_file(&intf->dev.kobj, |
| 667 | &pyra_settings_attr); |
| 668 | if (retval) |
| 669 | goto exit_14; |
| 670 | |
| 671 | return 0; |
| 672 | |
| 673 | exit_14: |
| 674 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr); |
| 675 | exit_13: |
| 676 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr); |
| 677 | exit_12: |
| 678 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr); |
| 679 | exit_11: |
| 680 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr); |
| 681 | exit_10: |
| 682 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr); |
| 683 | exit_9: |
| 684 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr); |
| 685 | exit_8: |
| 686 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr); |
| 687 | exit_7: |
| 688 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr); |
| 689 | exit_6: |
| 690 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr); |
| 691 | exit_5: |
| 692 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr); |
| 693 | exit_4: |
| 694 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr); |
| 695 | exit_3: |
| 696 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr); |
| 697 | exit_2: |
| 698 | sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group); |
| 699 | exit_1: |
| 700 | return retval; |
| 701 | } |
| 702 | |
| 703 | static void pyra_remove_sysfs_attributes(struct usb_interface *intf) |
| 704 | { |
| 705 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_settings_attr); |
| 706 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr); |
| 707 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr); |
| 708 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr); |
| 709 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr); |
| 710 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr); |
| 711 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr); |
| 712 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr); |
| 713 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr); |
| 714 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr); |
| 715 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr); |
| 716 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr); |
| 717 | sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr); |
| 718 | sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group); |
| 719 | } |
| 720 | |
| 721 | static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, |
| 722 | struct pyra_device *pyra) |
| 723 | { |
| 724 | struct pyra_info *info; |
| 725 | int retval, i; |
| 726 | |
| 727 | mutex_init(&pyra->pyra_lock); |
| 728 | |
| 729 | info = kmalloc(sizeof(struct pyra_info), GFP_KERNEL); |
| 730 | if (!info) |
| 731 | return -ENOMEM; |
| 732 | retval = pyra_get_info(usb_dev, info); |
| 733 | if (retval) { |
| 734 | kfree(info); |
| 735 | return retval; |
| 736 | } |
| 737 | pyra->firmware_version = info->firmware_version; |
| 738 | kfree(info); |
| 739 | |
| 740 | retval = pyra_get_settings(usb_dev, &pyra->settings); |
| 741 | if (retval) |
| 742 | return retval; |
| 743 | |
| 744 | for (i = 0; i < 5; ++i) { |
| 745 | retval = pyra_get_profile_settings(usb_dev, |
| 746 | &pyra->profile_settings[i], i); |
| 747 | if (retval) |
| 748 | return retval; |
| 749 | |
| 750 | retval = pyra_get_profile_buttons(usb_dev, |
| 751 | &pyra->profile_buttons[i], i); |
| 752 | if (retval) |
| 753 | return retval; |
| 754 | } |
| 755 | |
| 756 | profile_activated(pyra, pyra->settings.startup_profile); |
| 757 | |
| 758 | return 0; |
| 759 | } |
| 760 | |
| 761 | static int pyra_init_specials(struct hid_device *hdev) |
| 762 | { |
| 763 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
| 764 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
| 765 | struct pyra_device *pyra; |
| 766 | int retval; |
| 767 | |
| 768 | if (intf->cur_altsetting->desc.bInterfaceProtocol |
| 769 | == USB_INTERFACE_PROTOCOL_MOUSE) { |
| 770 | |
| 771 | pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); |
| 772 | if (!pyra) { |
| 773 | dev_err(&hdev->dev, "can't alloc device descriptor\n"); |
| 774 | return -ENOMEM; |
| 775 | } |
| 776 | hid_set_drvdata(hdev, pyra); |
| 777 | |
| 778 | retval = pyra_init_pyra_device_struct(usb_dev, pyra); |
| 779 | if (retval) { |
| 780 | dev_err(&hdev->dev, |
| 781 | "couldn't init struct pyra_device\n"); |
| 782 | goto exit_free; |
| 783 | } |
| 784 | |
| 785 | retval = roccat_connect(hdev); |
| 786 | if (retval < 0) { |
| 787 | dev_err(&hdev->dev, "couldn't init char dev\n"); |
| 788 | } else { |
| 789 | pyra->chrdev_minor = retval; |
| 790 | pyra->roccat_claimed = 1; |
| 791 | } |
| 792 | |
| 793 | retval = pyra_create_sysfs_attributes(intf); |
| 794 | if (retval) { |
| 795 | dev_err(&hdev->dev, "cannot create sysfs files\n"); |
| 796 | goto exit_free; |
| 797 | } |
| 798 | } else { |
| 799 | hid_set_drvdata(hdev, NULL); |
| 800 | } |
| 801 | |
| 802 | return 0; |
| 803 | exit_free: |
| 804 | kfree(pyra); |
| 805 | return retval; |
| 806 | } |
| 807 | |
| 808 | static void pyra_remove_specials(struct hid_device *hdev) |
| 809 | { |
| 810 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
| 811 | struct pyra_device *pyra; |
| 812 | |
| 813 | if (intf->cur_altsetting->desc.bInterfaceProtocol |
| 814 | == USB_INTERFACE_PROTOCOL_MOUSE) { |
| 815 | pyra_remove_sysfs_attributes(intf); |
| 816 | pyra = hid_get_drvdata(hdev); |
| 817 | if (pyra->roccat_claimed) |
| 818 | roccat_disconnect(pyra->chrdev_minor); |
| 819 | kfree(hid_get_drvdata(hdev)); |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) |
| 824 | { |
| 825 | int retval; |
| 826 | |
| 827 | retval = hid_parse(hdev); |
| 828 | if (retval) { |
| 829 | dev_err(&hdev->dev, "parse failed\n"); |
| 830 | goto exit; |
| 831 | } |
| 832 | |
| 833 | retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
| 834 | if (retval) { |
| 835 | dev_err(&hdev->dev, "hw start failed\n"); |
| 836 | goto exit; |
| 837 | } |
| 838 | |
| 839 | retval = pyra_init_specials(hdev); |
| 840 | if (retval) { |
| 841 | dev_err(&hdev->dev, "couldn't install mouse\n"); |
| 842 | goto exit_stop; |
| 843 | } |
| 844 | return 0; |
| 845 | |
| 846 | exit_stop: |
| 847 | hid_hw_stop(hdev); |
| 848 | exit: |
| 849 | return retval; |
| 850 | } |
| 851 | |
| 852 | static void pyra_remove(struct hid_device *hdev) |
| 853 | { |
| 854 | pyra_remove_specials(hdev); |
| 855 | hid_hw_stop(hdev); |
| 856 | } |
| 857 | |
| 858 | static void pyra_keep_values_up_to_date(struct pyra_device *pyra, |
| 859 | u8 const *data) |
| 860 | { |
| 861 | struct pyra_mouse_event_button const *button_event; |
| 862 | |
| 863 | switch (data[0]) { |
| 864 | case PYRA_MOUSE_REPORT_NUMBER_BUTTON: |
| 865 | button_event = (struct pyra_mouse_event_button const *)data; |
| 866 | switch (button_event->type) { |
| 867 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: |
| 868 | profile_activated(pyra, button_event->data1 - 1); |
| 869 | break; |
| 870 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: |
| 871 | pyra->actual_cpi = button_event->data1; |
| 872 | break; |
| 873 | } |
| 874 | break; |
| 875 | } |
| 876 | } |
| 877 | |
| 878 | static void pyra_report_to_chrdev(struct pyra_device const *pyra, |
| 879 | u8 const *data) |
| 880 | { |
| 881 | struct pyra_roccat_report roccat_report; |
| 882 | struct pyra_mouse_event_button const *button_event; |
| 883 | |
| 884 | if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON) |
| 885 | return; |
| 886 | |
| 887 | button_event = (struct pyra_mouse_event_button const *)data; |
| 888 | |
| 889 | switch (button_event->type) { |
| 890 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: |
| 891 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: |
| 892 | roccat_report.type = button_event->type; |
| 893 | roccat_report.value = button_event->data1; |
| 894 | roccat_report.key = 0; |
| 895 | roccat_report_event(pyra->chrdev_minor, |
| 896 | (uint8_t const *)&roccat_report, |
| 897 | sizeof(struct pyra_roccat_report)); |
| 898 | break; |
| 899 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: |
| 900 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: |
| 901 | case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH: |
| 902 | if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) { |
| 903 | roccat_report.type = button_event->type; |
| 904 | roccat_report.key = button_event->data1; |
Stefan Achatz | d2b570a | 2010-09-01 12:42:23 +0200 | [diff] [blame] | 905 | /* |
| 906 | * pyra reports profile numbers with range 1-5. |
| 907 | * Keeping this behaviour. |
| 908 | */ |
| 909 | roccat_report.value = pyra->actual_profile + 1; |
Stefan Achatz | cb7cf3d | 2010-08-29 12:30:18 +0200 | [diff] [blame] | 910 | roccat_report_event(pyra->chrdev_minor, |
| 911 | (uint8_t const *)&roccat_report, |
| 912 | sizeof(struct pyra_roccat_report)); |
| 913 | } |
| 914 | break; |
| 915 | } |
| 916 | } |
| 917 | |
| 918 | static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, |
| 919 | u8 *data, int size) |
| 920 | { |
| 921 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
| 922 | struct pyra_device *pyra = hid_get_drvdata(hdev); |
| 923 | |
| 924 | if (intf->cur_altsetting->desc.bInterfaceProtocol |
| 925 | != USB_INTERFACE_PROTOCOL_MOUSE) |
| 926 | return 0; |
| 927 | |
| 928 | pyra_keep_values_up_to_date(pyra, data); |
| 929 | |
| 930 | if (pyra->roccat_claimed) |
| 931 | pyra_report_to_chrdev(pyra, data); |
| 932 | |
| 933 | return 0; |
| 934 | } |
| 935 | |
| 936 | static const struct hid_device_id pyra_devices[] = { |
| 937 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, |
| 938 | USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, |
| 939 | /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */ |
| 940 | { } |
| 941 | }; |
| 942 | |
| 943 | MODULE_DEVICE_TABLE(hid, pyra_devices); |
| 944 | |
| 945 | static struct hid_driver pyra_driver = { |
| 946 | .name = "pyra", |
| 947 | .id_table = pyra_devices, |
| 948 | .probe = pyra_probe, |
| 949 | .remove = pyra_remove, |
| 950 | .raw_event = pyra_raw_event |
| 951 | }; |
| 952 | |
| 953 | static int __init pyra_init(void) |
| 954 | { |
| 955 | return hid_register_driver(&pyra_driver); |
| 956 | } |
| 957 | |
| 958 | static void __exit pyra_exit(void) |
| 959 | { |
| 960 | hid_unregister_driver(&pyra_driver); |
| 961 | } |
| 962 | |
| 963 | module_init(pyra_init); |
| 964 | module_exit(pyra_exit); |
| 965 | |
| 966 | MODULE_AUTHOR("Stefan Achatz"); |
| 967 | MODULE_DESCRIPTION("USB Roccat Pyra driver"); |
| 968 | MODULE_LICENSE("GPL v2"); |