1cb7cf3daSStefan Achatz /* 2cb7cf3daSStefan Achatz * Roccat Pyra driver for Linux 3cb7cf3daSStefan Achatz * 4cb7cf3daSStefan Achatz * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> 5cb7cf3daSStefan Achatz */ 6cb7cf3daSStefan Achatz 7cb7cf3daSStefan Achatz /* 8cb7cf3daSStefan Achatz * This program is free software; you can redistribute it and/or modify it 9cb7cf3daSStefan Achatz * under the terms of the GNU General Public License as published by the Free 10cb7cf3daSStefan Achatz * Software Foundation; either version 2 of the License, or (at your option) 11cb7cf3daSStefan Achatz * any later version. 12cb7cf3daSStefan Achatz */ 13cb7cf3daSStefan Achatz 14cb7cf3daSStefan Achatz /* 15cb7cf3daSStefan Achatz * Roccat Pyra is a mobile gamer mouse which comes in wired and wireless 16cb7cf3daSStefan Achatz * variant. Wireless variant is not tested. 17cb7cf3daSStefan Achatz * Userland tools can be found at http://sourceforge.net/projects/roccat 18cb7cf3daSStefan Achatz */ 19cb7cf3daSStefan Achatz 20cb7cf3daSStefan Achatz #include <linux/device.h> 21cb7cf3daSStefan Achatz #include <linux/input.h> 22cb7cf3daSStefan Achatz #include <linux/hid.h> 23cb7cf3daSStefan Achatz #include <linux/module.h> 24cb7cf3daSStefan Achatz #include <linux/slab.h> 25cb7cf3daSStefan Achatz #include "hid-ids.h" 26cb7cf3daSStefan Achatz #include "hid-roccat.h" 275772f636SStefan Achatz #include "hid-roccat-common.h" 28cb7cf3daSStefan Achatz #include "hid-roccat-pyra.h" 29cb7cf3daSStefan Achatz 3014a057f8SStefan Achatz static uint profile_numbers[5] = {0, 1, 2, 3, 4}; 3114a057f8SStefan Achatz 325012aadaSStefan Achatz /* pyra_class is used for creating sysfs attributes via roccat char device */ 335012aadaSStefan Achatz static struct class *pyra_class; 345012aadaSStefan Achatz 35cb7cf3daSStefan Achatz static void profile_activated(struct pyra_device *pyra, 36cb7cf3daSStefan Achatz unsigned int new_profile) 37cb7cf3daSStefan Achatz { 38cb7cf3daSStefan Achatz pyra->actual_profile = new_profile; 39cb7cf3daSStefan Achatz pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi; 40cb7cf3daSStefan Achatz } 41cb7cf3daSStefan Achatz 42cb7cf3daSStefan Achatz static int pyra_send_control(struct usb_device *usb_dev, int value, 43cb7cf3daSStefan Achatz enum pyra_control_requests request) 44cb7cf3daSStefan Achatz { 45cb7cf3daSStefan Achatz struct pyra_control control; 46cb7cf3daSStefan Achatz 47cb7cf3daSStefan Achatz if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS || 48cb7cf3daSStefan Achatz request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) && 49cb7cf3daSStefan Achatz (value < 0 || value > 4)) 50cb7cf3daSStefan Achatz return -EINVAL; 51cb7cf3daSStefan Achatz 52cb7cf3daSStefan Achatz control.command = PYRA_COMMAND_CONTROL; 53cb7cf3daSStefan Achatz control.value = value; 54cb7cf3daSStefan Achatz control.request = request; 55cb7cf3daSStefan Achatz 565772f636SStefan Achatz return roccat_common_send(usb_dev, PYRA_USB_COMMAND_CONTROL, 575772f636SStefan Achatz &control, sizeof(struct pyra_control)); 58cb7cf3daSStefan Achatz } 59cb7cf3daSStefan Achatz 60cb7cf3daSStefan Achatz static int pyra_receive_control_status(struct usb_device *usb_dev) 61cb7cf3daSStefan Achatz { 625772f636SStefan Achatz int retval; 63cb7cf3daSStefan Achatz struct pyra_control control; 64cb7cf3daSStefan Achatz 65cb7cf3daSStefan Achatz do { 66cb7cf3daSStefan Achatz msleep(10); 675772f636SStefan Achatz retval = roccat_common_receive(usb_dev, PYRA_USB_COMMAND_CONTROL, 685772f636SStefan Achatz &control, sizeof(struct pyra_control)); 69cb7cf3daSStefan Achatz 70cb7cf3daSStefan Achatz /* requested too early, try again */ 715772f636SStefan Achatz } while (retval == -EPROTO); 72cb7cf3daSStefan Achatz 735772f636SStefan Achatz if (!retval && control.command == PYRA_COMMAND_CONTROL && 74cb7cf3daSStefan Achatz control.request == PYRA_CONTROL_REQUEST_STATUS && 75cb7cf3daSStefan Achatz control.value == 1) 76cb7cf3daSStefan Achatz return 0; 77cb7cf3daSStefan Achatz else { 784291ee30SJoe Perches hid_err(usb_dev, "receive control status: unknown response 0x%x 0x%x\n", 79cb7cf3daSStefan Achatz control.request, control.value); 805772f636SStefan Achatz return retval ? retval : -EINVAL; 81cb7cf3daSStefan Achatz } 82cb7cf3daSStefan Achatz } 83cb7cf3daSStefan Achatz 84cb7cf3daSStefan Achatz static int pyra_get_profile_settings(struct usb_device *usb_dev, 85cb7cf3daSStefan Achatz struct pyra_profile_settings *buf, int number) 86cb7cf3daSStefan Achatz { 87cb7cf3daSStefan Achatz int retval; 88cb7cf3daSStefan Achatz retval = pyra_send_control(usb_dev, number, 89cb7cf3daSStefan Achatz PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); 90cb7cf3daSStefan Achatz if (retval) 91cb7cf3daSStefan Achatz return retval; 925772f636SStefan Achatz return roccat_common_receive(usb_dev, PYRA_USB_COMMAND_PROFILE_SETTINGS, 935772f636SStefan Achatz buf, sizeof(struct pyra_profile_settings)); 94cb7cf3daSStefan Achatz } 95cb7cf3daSStefan Achatz 96cb7cf3daSStefan Achatz static int pyra_get_profile_buttons(struct usb_device *usb_dev, 97cb7cf3daSStefan Achatz struct pyra_profile_buttons *buf, int number) 98cb7cf3daSStefan Achatz { 99cb7cf3daSStefan Achatz int retval; 100cb7cf3daSStefan Achatz retval = pyra_send_control(usb_dev, number, 101cb7cf3daSStefan Achatz PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); 102cb7cf3daSStefan Achatz if (retval) 103cb7cf3daSStefan Achatz return retval; 1045772f636SStefan Achatz return roccat_common_receive(usb_dev, PYRA_USB_COMMAND_PROFILE_BUTTONS, 1055772f636SStefan Achatz buf, sizeof(struct pyra_profile_buttons)); 106cb7cf3daSStefan Achatz } 107cb7cf3daSStefan Achatz 108cb7cf3daSStefan Achatz static int pyra_get_settings(struct usb_device *usb_dev, 109cb7cf3daSStefan Achatz struct pyra_settings *buf) 110cb7cf3daSStefan Achatz { 1115772f636SStefan Achatz return roccat_common_receive(usb_dev, PYRA_USB_COMMAND_SETTINGS, 1125772f636SStefan Achatz buf, sizeof(struct pyra_settings)); 113cb7cf3daSStefan Achatz } 114cb7cf3daSStefan Achatz 115cb7cf3daSStefan Achatz static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf) 116cb7cf3daSStefan Achatz { 1175772f636SStefan Achatz return roccat_common_receive(usb_dev, PYRA_USB_COMMAND_INFO, 1185772f636SStefan Achatz buf, sizeof(struct pyra_info)); 1195772f636SStefan Achatz } 1205772f636SStefan Achatz 1215772f636SStefan Achatz static int pyra_send(struct usb_device *usb_dev, uint command, 1225772f636SStefan Achatz void const *buf, uint size) 1235772f636SStefan Achatz { 1245772f636SStefan Achatz int retval; 1255772f636SStefan Achatz retval = roccat_common_send(usb_dev, command, buf, size); 1265772f636SStefan Achatz if (retval) 1275772f636SStefan Achatz return retval; 1285772f636SStefan Achatz return pyra_receive_control_status(usb_dev); 129cb7cf3daSStefan Achatz } 130cb7cf3daSStefan Achatz 131cb7cf3daSStefan Achatz static int pyra_set_profile_settings(struct usb_device *usb_dev, 132cb7cf3daSStefan Achatz struct pyra_profile_settings const *settings) 133cb7cf3daSStefan Achatz { 1345772f636SStefan Achatz return pyra_send(usb_dev, PYRA_USB_COMMAND_PROFILE_SETTINGS, settings, 1355772f636SStefan Achatz sizeof(struct pyra_profile_settings)); 136cb7cf3daSStefan Achatz } 137cb7cf3daSStefan Achatz 138cb7cf3daSStefan Achatz static int pyra_set_profile_buttons(struct usb_device *usb_dev, 139cb7cf3daSStefan Achatz struct pyra_profile_buttons const *buttons) 140cb7cf3daSStefan Achatz { 1415772f636SStefan Achatz return pyra_send(usb_dev, PYRA_USB_COMMAND_PROFILE_BUTTONS, buttons, 1425772f636SStefan Achatz sizeof(struct pyra_profile_buttons)); 143cb7cf3daSStefan Achatz } 144cb7cf3daSStefan Achatz 145cb7cf3daSStefan Achatz static int pyra_set_settings(struct usb_device *usb_dev, 146cb7cf3daSStefan Achatz struct pyra_settings const *settings) 147cb7cf3daSStefan Achatz { 1485772f636SStefan Achatz int retval; 1495772f636SStefan Achatz retval = roccat_common_send(usb_dev, PYRA_USB_COMMAND_SETTINGS, settings, 1505772f636SStefan Achatz sizeof(struct pyra_settings)); 1515772f636SStefan Achatz if (retval) 1525772f636SStefan Achatz return retval; 1535772f636SStefan Achatz return pyra_receive_control_status(usb_dev); 154cb7cf3daSStefan Achatz } 155cb7cf3daSStefan Achatz 156cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, 157cb7cf3daSStefan Achatz struct kobject *kobj, struct bin_attribute *attr, char *buf, 15814a057f8SStefan Achatz loff_t off, size_t count) 159cb7cf3daSStefan Achatz { 1605012aadaSStefan Achatz struct device *dev = 1615012aadaSStefan Achatz container_of(kobj, struct device, kobj)->parent->parent; 162cb7cf3daSStefan Achatz struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 163cb7cf3daSStefan Achatz 164cb7cf3daSStefan Achatz if (off >= sizeof(struct pyra_profile_settings)) 165cb7cf3daSStefan Achatz return 0; 166cb7cf3daSStefan Achatz 167cb7cf3daSStefan Achatz if (off + count > sizeof(struct pyra_profile_settings)) 168cb7cf3daSStefan Achatz count = sizeof(struct pyra_profile_settings) - off; 169cb7cf3daSStefan Achatz 170cb7cf3daSStefan Achatz mutex_lock(&pyra->pyra_lock); 17114a057f8SStefan Achatz memcpy(buf, ((char const *)&pyra->profile_settings[*(uint *)(attr->private)]) + off, 172cb7cf3daSStefan Achatz count); 173cb7cf3daSStefan Achatz mutex_unlock(&pyra->pyra_lock); 174cb7cf3daSStefan Achatz 175cb7cf3daSStefan Achatz return count; 176cb7cf3daSStefan Achatz } 177cb7cf3daSStefan Achatz 178cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, 179cb7cf3daSStefan Achatz struct kobject *kobj, struct bin_attribute *attr, char *buf, 18014a057f8SStefan Achatz loff_t off, size_t count) 181cb7cf3daSStefan Achatz { 1825012aadaSStefan Achatz struct device *dev = 1835012aadaSStefan Achatz container_of(kobj, struct device, kobj)->parent->parent; 184cb7cf3daSStefan Achatz struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 185cb7cf3daSStefan Achatz 186cb7cf3daSStefan Achatz if (off >= sizeof(struct pyra_profile_buttons)) 187cb7cf3daSStefan Achatz return 0; 188cb7cf3daSStefan Achatz 189cb7cf3daSStefan Achatz if (off + count > sizeof(struct pyra_profile_buttons)) 190cb7cf3daSStefan Achatz count = sizeof(struct pyra_profile_buttons) - off; 191cb7cf3daSStefan Achatz 192cb7cf3daSStefan Achatz mutex_lock(&pyra->pyra_lock); 19314a057f8SStefan Achatz memcpy(buf, ((char const *)&pyra->profile_buttons[*(uint *)(attr->private)]) + off, 194cb7cf3daSStefan Achatz count); 195cb7cf3daSStefan Achatz mutex_unlock(&pyra->pyra_lock); 196cb7cf3daSStefan Achatz 197cb7cf3daSStefan Achatz return count; 198cb7cf3daSStefan Achatz } 199cb7cf3daSStefan Achatz 200cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_write_profile_settings(struct file *fp, 201cb7cf3daSStefan Achatz struct kobject *kobj, struct bin_attribute *attr, char *buf, 202cb7cf3daSStefan Achatz loff_t off, size_t count) 203cb7cf3daSStefan Achatz { 2045012aadaSStefan Achatz struct device *dev = 2055012aadaSStefan Achatz container_of(kobj, struct device, kobj)->parent->parent; 206cb7cf3daSStefan Achatz struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 207cb7cf3daSStefan Achatz struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); 208cb7cf3daSStefan Achatz int retval = 0; 209cb7cf3daSStefan Achatz int difference; 210cb7cf3daSStefan Achatz int profile_number; 211cb7cf3daSStefan Achatz struct pyra_profile_settings *profile_settings; 212cb7cf3daSStefan Achatz 213cb7cf3daSStefan Achatz if (off != 0 || count != sizeof(struct pyra_profile_settings)) 214cb7cf3daSStefan Achatz return -EINVAL; 215cb7cf3daSStefan Achatz 216cb7cf3daSStefan Achatz profile_number = ((struct pyra_profile_settings const *)buf)->number; 217cb7cf3daSStefan Achatz profile_settings = &pyra->profile_settings[profile_number]; 218cb7cf3daSStefan Achatz 219cb7cf3daSStefan Achatz mutex_lock(&pyra->pyra_lock); 220cb7cf3daSStefan Achatz difference = memcmp(buf, profile_settings, 221cb7cf3daSStefan Achatz sizeof(struct pyra_profile_settings)); 222cb7cf3daSStefan Achatz if (difference) { 223cb7cf3daSStefan Achatz retval = pyra_set_profile_settings(usb_dev, 224cb7cf3daSStefan Achatz (struct pyra_profile_settings const *)buf); 225cb7cf3daSStefan Achatz if (!retval) 226cb7cf3daSStefan Achatz memcpy(profile_settings, buf, 227cb7cf3daSStefan Achatz sizeof(struct pyra_profile_settings)); 228cb7cf3daSStefan Achatz } 229cb7cf3daSStefan Achatz mutex_unlock(&pyra->pyra_lock); 230cb7cf3daSStefan Achatz 231cb7cf3daSStefan Achatz if (retval) 232cb7cf3daSStefan Achatz return retval; 233cb7cf3daSStefan Achatz 234cb7cf3daSStefan Achatz return sizeof(struct pyra_profile_settings); 235cb7cf3daSStefan Achatz } 236cb7cf3daSStefan Achatz 237cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp, 238cb7cf3daSStefan Achatz struct kobject *kobj, struct bin_attribute *attr, char *buf, 239cb7cf3daSStefan Achatz loff_t off, size_t count) 240cb7cf3daSStefan Achatz { 2415012aadaSStefan Achatz struct device *dev = 2425012aadaSStefan Achatz container_of(kobj, struct device, kobj)->parent->parent; 243cb7cf3daSStefan Achatz struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 244cb7cf3daSStefan Achatz struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); 245cb7cf3daSStefan Achatz int retval = 0; 246cb7cf3daSStefan Achatz int difference; 247cb7cf3daSStefan Achatz int profile_number; 248cb7cf3daSStefan Achatz struct pyra_profile_buttons *profile_buttons; 249cb7cf3daSStefan Achatz 250cb7cf3daSStefan Achatz if (off != 0 || count != sizeof(struct pyra_profile_buttons)) 251cb7cf3daSStefan Achatz return -EINVAL; 252cb7cf3daSStefan Achatz 253cb7cf3daSStefan Achatz profile_number = ((struct pyra_profile_buttons const *)buf)->number; 254cb7cf3daSStefan Achatz profile_buttons = &pyra->profile_buttons[profile_number]; 255cb7cf3daSStefan Achatz 256cb7cf3daSStefan Achatz mutex_lock(&pyra->pyra_lock); 257cb7cf3daSStefan Achatz difference = memcmp(buf, profile_buttons, 258cb7cf3daSStefan Achatz sizeof(struct pyra_profile_buttons)); 259cb7cf3daSStefan Achatz if (difference) { 260cb7cf3daSStefan Achatz retval = pyra_set_profile_buttons(usb_dev, 261cb7cf3daSStefan Achatz (struct pyra_profile_buttons const *)buf); 262cb7cf3daSStefan Achatz if (!retval) 263cb7cf3daSStefan Achatz memcpy(profile_buttons, buf, 264cb7cf3daSStefan Achatz sizeof(struct pyra_profile_buttons)); 265cb7cf3daSStefan Achatz } 266cb7cf3daSStefan Achatz mutex_unlock(&pyra->pyra_lock); 267cb7cf3daSStefan Achatz 268cb7cf3daSStefan Achatz if (retval) 269cb7cf3daSStefan Achatz return retval; 270cb7cf3daSStefan Achatz 271cb7cf3daSStefan Achatz return sizeof(struct pyra_profile_buttons); 272cb7cf3daSStefan Achatz } 273cb7cf3daSStefan Achatz 274cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_read_settings(struct file *fp, 275cb7cf3daSStefan Achatz struct kobject *kobj, struct bin_attribute *attr, char *buf, 276cb7cf3daSStefan Achatz loff_t off, size_t count) 277cb7cf3daSStefan Achatz { 2785012aadaSStefan Achatz struct device *dev = 2795012aadaSStefan Achatz container_of(kobj, struct device, kobj)->parent->parent; 280cb7cf3daSStefan Achatz struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 281cb7cf3daSStefan Achatz 282cb7cf3daSStefan Achatz if (off >= sizeof(struct pyra_settings)) 283cb7cf3daSStefan Achatz return 0; 284cb7cf3daSStefan Achatz 285cb7cf3daSStefan Achatz if (off + count > sizeof(struct pyra_settings)) 286cb7cf3daSStefan Achatz count = sizeof(struct pyra_settings) - off; 287cb7cf3daSStefan Achatz 288cb7cf3daSStefan Achatz mutex_lock(&pyra->pyra_lock); 289cb7cf3daSStefan Achatz memcpy(buf, ((char const *)&pyra->settings) + off, count); 290cb7cf3daSStefan Achatz mutex_unlock(&pyra->pyra_lock); 291cb7cf3daSStefan Achatz 292cb7cf3daSStefan Achatz return count; 293cb7cf3daSStefan Achatz } 294cb7cf3daSStefan Achatz 295cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_write_settings(struct file *fp, 296cb7cf3daSStefan Achatz struct kobject *kobj, struct bin_attribute *attr, char *buf, 297cb7cf3daSStefan Achatz loff_t off, size_t count) 298cb7cf3daSStefan Achatz { 2995012aadaSStefan Achatz struct device *dev = 3005012aadaSStefan Achatz container_of(kobj, struct device, kobj)->parent->parent; 301cb7cf3daSStefan Achatz struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); 302cb7cf3daSStefan Achatz struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); 303cb7cf3daSStefan Achatz int retval = 0; 304cb7cf3daSStefan Achatz int difference; 305cb7cf3daSStefan Achatz 306cb7cf3daSStefan Achatz if (off != 0 || count != sizeof(struct pyra_settings)) 307cb7cf3daSStefan Achatz return -EINVAL; 308cb7cf3daSStefan Achatz 309cb7cf3daSStefan Achatz mutex_lock(&pyra->pyra_lock); 310cb7cf3daSStefan Achatz difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings)); 311cb7cf3daSStefan Achatz if (difference) { 312cb7cf3daSStefan Achatz retval = pyra_set_settings(usb_dev, 313cb7cf3daSStefan Achatz (struct pyra_settings const *)buf); 314cb7cf3daSStefan Achatz if (!retval) 315cb7cf3daSStefan Achatz memcpy(&pyra->settings, buf, 316cb7cf3daSStefan Achatz sizeof(struct pyra_settings)); 317cb7cf3daSStefan Achatz } 318cb7cf3daSStefan Achatz mutex_unlock(&pyra->pyra_lock); 319cb7cf3daSStefan Achatz 320cb7cf3daSStefan Achatz if (retval) 321cb7cf3daSStefan Achatz return retval; 322cb7cf3daSStefan Achatz 323cb7cf3daSStefan Achatz profile_activated(pyra, pyra->settings.startup_profile); 324cb7cf3daSStefan Achatz 325cb7cf3daSStefan Achatz return sizeof(struct pyra_settings); 326cb7cf3daSStefan Achatz } 327cb7cf3daSStefan Achatz 328cb7cf3daSStefan Achatz 329cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, 330cb7cf3daSStefan Achatz struct device_attribute *attr, char *buf) 331cb7cf3daSStefan Achatz { 3325012aadaSStefan Achatz struct pyra_device *pyra = 3335012aadaSStefan Achatz hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); 334cb7cf3daSStefan Achatz return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); 335cb7cf3daSStefan Achatz } 336cb7cf3daSStefan Achatz 337cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, 338cb7cf3daSStefan Achatz struct device_attribute *attr, char *buf) 339cb7cf3daSStefan Achatz { 3405012aadaSStefan Achatz struct pyra_device *pyra = 3415012aadaSStefan Achatz hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); 342cb7cf3daSStefan Achatz return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile); 343cb7cf3daSStefan Achatz } 344cb7cf3daSStefan Achatz 345cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, 346cb7cf3daSStefan Achatz struct device_attribute *attr, char *buf) 347cb7cf3daSStefan Achatz { 3485012aadaSStefan Achatz struct pyra_device *pyra = 3495012aadaSStefan Achatz hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); 350cb7cf3daSStefan Achatz return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version); 351cb7cf3daSStefan Achatz } 352cb7cf3daSStefan Achatz 353cb7cf3daSStefan Achatz static ssize_t pyra_sysfs_show_startup_profile(struct device *dev, 354cb7cf3daSStefan Achatz struct device_attribute *attr, char *buf) 355cb7cf3daSStefan Achatz { 3565012aadaSStefan Achatz struct pyra_device *pyra = 3575012aadaSStefan Achatz hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); 358cb7cf3daSStefan Achatz return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile); 359cb7cf3daSStefan Achatz } 360cb7cf3daSStefan Achatz 3615012aadaSStefan Achatz static struct device_attribute pyra_attributes[] = { 3625012aadaSStefan Achatz __ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL), 3635012aadaSStefan Achatz __ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL), 3645012aadaSStefan Achatz __ATTR(firmware_version, 0440, 3655012aadaSStefan Achatz pyra_sysfs_show_firmware_version, NULL), 3665012aadaSStefan Achatz __ATTR(startup_profile, 0440, 3675012aadaSStefan Achatz pyra_sysfs_show_startup_profile, NULL), 3685012aadaSStefan Achatz __ATTR_NULL 369cb7cf3daSStefan Achatz }; 370cb7cf3daSStefan Achatz 3715012aadaSStefan Achatz static struct bin_attribute pyra_bin_attributes[] = { 3725012aadaSStefan Achatz { 373cb7cf3daSStefan Achatz .attr = { .name = "profile_settings", .mode = 0220 }, 374cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_settings), 375cb7cf3daSStefan Achatz .write = pyra_sysfs_write_profile_settings 3765012aadaSStefan Achatz }, 3775012aadaSStefan Achatz { 378cb7cf3daSStefan Achatz .attr = { .name = "profile1_settings", .mode = 0440 }, 379cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_settings), 38014a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_settings, 38114a057f8SStefan Achatz .private = &profile_numbers[0] 3825012aadaSStefan Achatz }, 3835012aadaSStefan Achatz { 384cb7cf3daSStefan Achatz .attr = { .name = "profile2_settings", .mode = 0440 }, 385cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_settings), 38614a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_settings, 38714a057f8SStefan Achatz .private = &profile_numbers[1] 3885012aadaSStefan Achatz }, 3895012aadaSStefan Achatz { 390cb7cf3daSStefan Achatz .attr = { .name = "profile3_settings", .mode = 0440 }, 391cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_settings), 39214a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_settings, 39314a057f8SStefan Achatz .private = &profile_numbers[2] 3945012aadaSStefan Achatz }, 3955012aadaSStefan Achatz { 396cb7cf3daSStefan Achatz .attr = { .name = "profile4_settings", .mode = 0440 }, 397cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_settings), 39814a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_settings, 39914a057f8SStefan Achatz .private = &profile_numbers[3] 4005012aadaSStefan Achatz }, 4015012aadaSStefan Achatz { 402cb7cf3daSStefan Achatz .attr = { .name = "profile5_settings", .mode = 0440 }, 403cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_settings), 40414a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_settings, 40514a057f8SStefan Achatz .private = &profile_numbers[4] 4065012aadaSStefan Achatz }, 4075012aadaSStefan Achatz { 408cb7cf3daSStefan Achatz .attr = { .name = "profile_buttons", .mode = 0220 }, 409cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_buttons), 410cb7cf3daSStefan Achatz .write = pyra_sysfs_write_profile_buttons 4115012aadaSStefan Achatz }, 4125012aadaSStefan Achatz { 413cb7cf3daSStefan Achatz .attr = { .name = "profile1_buttons", .mode = 0440 }, 414cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_buttons), 41514a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_buttons, 41614a057f8SStefan Achatz .private = &profile_numbers[0] 4175012aadaSStefan Achatz }, 4185012aadaSStefan Achatz { 419cb7cf3daSStefan Achatz .attr = { .name = "profile2_buttons", .mode = 0440 }, 420cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_buttons), 42114a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_buttons, 42214a057f8SStefan Achatz .private = &profile_numbers[1] 4235012aadaSStefan Achatz }, 4245012aadaSStefan Achatz { 425cb7cf3daSStefan Achatz .attr = { .name = "profile3_buttons", .mode = 0440 }, 426cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_buttons), 42714a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_buttons, 42814a057f8SStefan Achatz .private = &profile_numbers[2] 4295012aadaSStefan Achatz }, 4305012aadaSStefan Achatz { 431cb7cf3daSStefan Achatz .attr = { .name = "profile4_buttons", .mode = 0440 }, 432cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_buttons), 43314a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_buttons, 43414a057f8SStefan Achatz .private = &profile_numbers[3] 4355012aadaSStefan Achatz }, 4365012aadaSStefan Achatz { 437cb7cf3daSStefan Achatz .attr = { .name = "profile5_buttons", .mode = 0440 }, 438cb7cf3daSStefan Achatz .size = sizeof(struct pyra_profile_buttons), 43914a057f8SStefan Achatz .read = pyra_sysfs_read_profilex_buttons, 44014a057f8SStefan Achatz .private = &profile_numbers[4] 4415012aadaSStefan Achatz }, 4425012aadaSStefan Achatz { 443cb7cf3daSStefan Achatz .attr = { .name = "settings", .mode = 0660 }, 444cb7cf3daSStefan Achatz .size = sizeof(struct pyra_settings), 445cb7cf3daSStefan Achatz .read = pyra_sysfs_read_settings, 446cb7cf3daSStefan Achatz .write = pyra_sysfs_write_settings 4475012aadaSStefan Achatz }, 4485012aadaSStefan Achatz __ATTR_NULL 449cb7cf3daSStefan Achatz }; 450cb7cf3daSStefan Achatz 451cb7cf3daSStefan Achatz static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, 452cb7cf3daSStefan Achatz struct pyra_device *pyra) 453cb7cf3daSStefan Achatz { 4545772f636SStefan Achatz struct pyra_info info; 455cb7cf3daSStefan Achatz int retval, i; 456cb7cf3daSStefan Achatz 457cb7cf3daSStefan Achatz mutex_init(&pyra->pyra_lock); 458cb7cf3daSStefan Achatz 4595772f636SStefan Achatz retval = pyra_get_info(usb_dev, &info); 4605772f636SStefan Achatz if (retval) 461cb7cf3daSStefan Achatz return retval; 4625772f636SStefan Achatz 4635772f636SStefan Achatz pyra->firmware_version = info.firmware_version; 464cb7cf3daSStefan Achatz 465cb7cf3daSStefan Achatz retval = pyra_get_settings(usb_dev, &pyra->settings); 466cb7cf3daSStefan Achatz if (retval) 467cb7cf3daSStefan Achatz return retval; 468cb7cf3daSStefan Achatz 469cb7cf3daSStefan Achatz for (i = 0; i < 5; ++i) { 470cb7cf3daSStefan Achatz retval = pyra_get_profile_settings(usb_dev, 471cb7cf3daSStefan Achatz &pyra->profile_settings[i], i); 472cb7cf3daSStefan Achatz if (retval) 473cb7cf3daSStefan Achatz return retval; 474cb7cf3daSStefan Achatz 475cb7cf3daSStefan Achatz retval = pyra_get_profile_buttons(usb_dev, 476cb7cf3daSStefan Achatz &pyra->profile_buttons[i], i); 477cb7cf3daSStefan Achatz if (retval) 478cb7cf3daSStefan Achatz return retval; 479cb7cf3daSStefan Achatz } 480cb7cf3daSStefan Achatz 481cb7cf3daSStefan Achatz profile_activated(pyra, pyra->settings.startup_profile); 482cb7cf3daSStefan Achatz 483cb7cf3daSStefan Achatz return 0; 484cb7cf3daSStefan Achatz } 485cb7cf3daSStefan Achatz 486cb7cf3daSStefan Achatz static int pyra_init_specials(struct hid_device *hdev) 487cb7cf3daSStefan Achatz { 488cb7cf3daSStefan Achatz struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 489cb7cf3daSStefan Achatz struct usb_device *usb_dev = interface_to_usbdev(intf); 490cb7cf3daSStefan Achatz struct pyra_device *pyra; 491cb7cf3daSStefan Achatz int retval; 492cb7cf3daSStefan Achatz 493cb7cf3daSStefan Achatz if (intf->cur_altsetting->desc.bInterfaceProtocol 494cb7cf3daSStefan Achatz == USB_INTERFACE_PROTOCOL_MOUSE) { 495cb7cf3daSStefan Achatz 496cb7cf3daSStefan Achatz pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); 497cb7cf3daSStefan Achatz if (!pyra) { 4984291ee30SJoe Perches hid_err(hdev, "can't alloc device descriptor\n"); 499cb7cf3daSStefan Achatz return -ENOMEM; 500cb7cf3daSStefan Achatz } 501cb7cf3daSStefan Achatz hid_set_drvdata(hdev, pyra); 502cb7cf3daSStefan Achatz 503cb7cf3daSStefan Achatz retval = pyra_init_pyra_device_struct(usb_dev, pyra); 504cb7cf3daSStefan Achatz if (retval) { 5054291ee30SJoe Perches hid_err(hdev, "couldn't init struct pyra_device\n"); 506cb7cf3daSStefan Achatz goto exit_free; 507cb7cf3daSStefan Achatz } 508cb7cf3daSStefan Achatz 5095012aadaSStefan Achatz retval = roccat_connect(pyra_class, hdev); 510cb7cf3daSStefan Achatz if (retval < 0) { 5114291ee30SJoe Perches hid_err(hdev, "couldn't init char dev\n"); 512cb7cf3daSStefan Achatz } else { 513cb7cf3daSStefan Achatz pyra->chrdev_minor = retval; 514cb7cf3daSStefan Achatz pyra->roccat_claimed = 1; 515cb7cf3daSStefan Achatz } 516cb7cf3daSStefan Achatz } else { 517cb7cf3daSStefan Achatz hid_set_drvdata(hdev, NULL); 518cb7cf3daSStefan Achatz } 519cb7cf3daSStefan Achatz 520cb7cf3daSStefan Achatz return 0; 521cb7cf3daSStefan Achatz exit_free: 522cb7cf3daSStefan Achatz kfree(pyra); 523cb7cf3daSStefan Achatz return retval; 524cb7cf3daSStefan Achatz } 525cb7cf3daSStefan Achatz 526cb7cf3daSStefan Achatz static void pyra_remove_specials(struct hid_device *hdev) 527cb7cf3daSStefan Achatz { 528cb7cf3daSStefan Achatz struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 529cb7cf3daSStefan Achatz struct pyra_device *pyra; 530cb7cf3daSStefan Achatz 531cb7cf3daSStefan Achatz if (intf->cur_altsetting->desc.bInterfaceProtocol 532cb7cf3daSStefan Achatz == USB_INTERFACE_PROTOCOL_MOUSE) { 533cb7cf3daSStefan Achatz pyra = hid_get_drvdata(hdev); 534cb7cf3daSStefan Achatz if (pyra->roccat_claimed) 535cb7cf3daSStefan Achatz roccat_disconnect(pyra->chrdev_minor); 536cb7cf3daSStefan Achatz kfree(hid_get_drvdata(hdev)); 537cb7cf3daSStefan Achatz } 538cb7cf3daSStefan Achatz } 539cb7cf3daSStefan Achatz 540cb7cf3daSStefan Achatz static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) 541cb7cf3daSStefan Achatz { 542cb7cf3daSStefan Achatz int retval; 543cb7cf3daSStefan Achatz 544cb7cf3daSStefan Achatz retval = hid_parse(hdev); 545cb7cf3daSStefan Achatz if (retval) { 5464291ee30SJoe Perches hid_err(hdev, "parse failed\n"); 547cb7cf3daSStefan Achatz goto exit; 548cb7cf3daSStefan Achatz } 549cb7cf3daSStefan Achatz 550cb7cf3daSStefan Achatz retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 551cb7cf3daSStefan Achatz if (retval) { 5524291ee30SJoe Perches hid_err(hdev, "hw start failed\n"); 553cb7cf3daSStefan Achatz goto exit; 554cb7cf3daSStefan Achatz } 555cb7cf3daSStefan Achatz 556cb7cf3daSStefan Achatz retval = pyra_init_specials(hdev); 557cb7cf3daSStefan Achatz if (retval) { 5584291ee30SJoe Perches hid_err(hdev, "couldn't install mouse\n"); 559cb7cf3daSStefan Achatz goto exit_stop; 560cb7cf3daSStefan Achatz } 561cb7cf3daSStefan Achatz return 0; 562cb7cf3daSStefan Achatz 563cb7cf3daSStefan Achatz exit_stop: 564cb7cf3daSStefan Achatz hid_hw_stop(hdev); 565cb7cf3daSStefan Achatz exit: 566cb7cf3daSStefan Achatz return retval; 567cb7cf3daSStefan Achatz } 568cb7cf3daSStefan Achatz 569cb7cf3daSStefan Achatz static void pyra_remove(struct hid_device *hdev) 570cb7cf3daSStefan Achatz { 571cb7cf3daSStefan Achatz pyra_remove_specials(hdev); 572cb7cf3daSStefan Achatz hid_hw_stop(hdev); 573cb7cf3daSStefan Achatz } 574cb7cf3daSStefan Achatz 575cb7cf3daSStefan Achatz static void pyra_keep_values_up_to_date(struct pyra_device *pyra, 576cb7cf3daSStefan Achatz u8 const *data) 577cb7cf3daSStefan Achatz { 578cb7cf3daSStefan Achatz struct pyra_mouse_event_button const *button_event; 579cb7cf3daSStefan Achatz 580cb7cf3daSStefan Achatz switch (data[0]) { 581cb7cf3daSStefan Achatz case PYRA_MOUSE_REPORT_NUMBER_BUTTON: 582cb7cf3daSStefan Achatz button_event = (struct pyra_mouse_event_button const *)data; 583cb7cf3daSStefan Achatz switch (button_event->type) { 584cb7cf3daSStefan Achatz case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: 585cb7cf3daSStefan Achatz profile_activated(pyra, button_event->data1 - 1); 586cb7cf3daSStefan Achatz break; 587cb7cf3daSStefan Achatz case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: 588cb7cf3daSStefan Achatz pyra->actual_cpi = button_event->data1; 589cb7cf3daSStefan Achatz break; 590cb7cf3daSStefan Achatz } 591cb7cf3daSStefan Achatz break; 592cb7cf3daSStefan Achatz } 593cb7cf3daSStefan Achatz } 594cb7cf3daSStefan Achatz 595cb7cf3daSStefan Achatz static void pyra_report_to_chrdev(struct pyra_device const *pyra, 596cb7cf3daSStefan Achatz u8 const *data) 597cb7cf3daSStefan Achatz { 598cb7cf3daSStefan Achatz struct pyra_roccat_report roccat_report; 599cb7cf3daSStefan Achatz struct pyra_mouse_event_button const *button_event; 600cb7cf3daSStefan Achatz 601cb7cf3daSStefan Achatz if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON) 602cb7cf3daSStefan Achatz return; 603cb7cf3daSStefan Achatz 604cb7cf3daSStefan Achatz button_event = (struct pyra_mouse_event_button const *)data; 605cb7cf3daSStefan Achatz 606cb7cf3daSStefan Achatz switch (button_event->type) { 607cb7cf3daSStefan Achatz case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: 608cb7cf3daSStefan Achatz case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: 609cb7cf3daSStefan Achatz roccat_report.type = button_event->type; 610cb7cf3daSStefan Achatz roccat_report.value = button_event->data1; 611cb7cf3daSStefan Achatz roccat_report.key = 0; 612cb7cf3daSStefan Achatz roccat_report_event(pyra->chrdev_minor, 613cb7cf3daSStefan Achatz (uint8_t const *)&roccat_report, 614cb7cf3daSStefan Achatz sizeof(struct pyra_roccat_report)); 615cb7cf3daSStefan Achatz break; 616cb7cf3daSStefan Achatz case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: 617cb7cf3daSStefan Achatz case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: 618cb7cf3daSStefan Achatz case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH: 619cb7cf3daSStefan Achatz if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) { 620cb7cf3daSStefan Achatz roccat_report.type = button_event->type; 621cb7cf3daSStefan Achatz roccat_report.key = button_event->data1; 622d2b570a5SStefan Achatz /* 623d2b570a5SStefan Achatz * pyra reports profile numbers with range 1-5. 624d2b570a5SStefan Achatz * Keeping this behaviour. 625d2b570a5SStefan Achatz */ 626d2b570a5SStefan Achatz roccat_report.value = pyra->actual_profile + 1; 627cb7cf3daSStefan Achatz roccat_report_event(pyra->chrdev_minor, 628cb7cf3daSStefan Achatz (uint8_t const *)&roccat_report, 629cb7cf3daSStefan Achatz sizeof(struct pyra_roccat_report)); 630cb7cf3daSStefan Achatz } 631cb7cf3daSStefan Achatz break; 632cb7cf3daSStefan Achatz } 633cb7cf3daSStefan Achatz } 634cb7cf3daSStefan Achatz 635cb7cf3daSStefan Achatz static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, 636cb7cf3daSStefan Achatz u8 *data, int size) 637cb7cf3daSStefan Achatz { 638cb7cf3daSStefan Achatz struct usb_interface *intf = to_usb_interface(hdev->dev.parent); 639cb7cf3daSStefan Achatz struct pyra_device *pyra = hid_get_drvdata(hdev); 640cb7cf3daSStefan Achatz 641cb7cf3daSStefan Achatz if (intf->cur_altsetting->desc.bInterfaceProtocol 642cb7cf3daSStefan Achatz != USB_INTERFACE_PROTOCOL_MOUSE) 643cb7cf3daSStefan Achatz return 0; 644cb7cf3daSStefan Achatz 645cb7cf3daSStefan Achatz pyra_keep_values_up_to_date(pyra, data); 646cb7cf3daSStefan Achatz 647cb7cf3daSStefan Achatz if (pyra->roccat_claimed) 648cb7cf3daSStefan Achatz pyra_report_to_chrdev(pyra, data); 649cb7cf3daSStefan Achatz 650cb7cf3daSStefan Achatz return 0; 651cb7cf3daSStefan Achatz } 652cb7cf3daSStefan Achatz 653cb7cf3daSStefan Achatz static const struct hid_device_id pyra_devices[] = { 654cb7cf3daSStefan Achatz { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, 655cb7cf3daSStefan Achatz USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, 656cb7cf3daSStefan Achatz /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */ 657cb7cf3daSStefan Achatz { } 658cb7cf3daSStefan Achatz }; 659cb7cf3daSStefan Achatz 660cb7cf3daSStefan Achatz MODULE_DEVICE_TABLE(hid, pyra_devices); 661cb7cf3daSStefan Achatz 662cb7cf3daSStefan Achatz static struct hid_driver pyra_driver = { 663cb7cf3daSStefan Achatz .name = "pyra", 664cb7cf3daSStefan Achatz .id_table = pyra_devices, 665cb7cf3daSStefan Achatz .probe = pyra_probe, 666cb7cf3daSStefan Achatz .remove = pyra_remove, 667cb7cf3daSStefan Achatz .raw_event = pyra_raw_event 668cb7cf3daSStefan Achatz }; 669cb7cf3daSStefan Achatz 670cb7cf3daSStefan Achatz static int __init pyra_init(void) 671cb7cf3daSStefan Achatz { 6725012aadaSStefan Achatz int retval; 6735012aadaSStefan Achatz 6745012aadaSStefan Achatz /* class name has to be same as driver name */ 6755012aadaSStefan Achatz pyra_class = class_create(THIS_MODULE, "pyra"); 6765012aadaSStefan Achatz if (IS_ERR(pyra_class)) 6775012aadaSStefan Achatz return PTR_ERR(pyra_class); 6785012aadaSStefan Achatz pyra_class->dev_attrs = pyra_attributes; 6795012aadaSStefan Achatz pyra_class->dev_bin_attrs = pyra_bin_attributes; 6805012aadaSStefan Achatz 6815012aadaSStefan Achatz retval = hid_register_driver(&pyra_driver); 6825012aadaSStefan Achatz if (retval) 6835012aadaSStefan Achatz class_destroy(pyra_class); 6845012aadaSStefan Achatz return retval; 685cb7cf3daSStefan Achatz } 686cb7cf3daSStefan Achatz 687cb7cf3daSStefan Achatz static void __exit pyra_exit(void) 688cb7cf3daSStefan Achatz { 6895012aadaSStefan Achatz class_destroy(pyra_class); 690cb7cf3daSStefan Achatz hid_unregister_driver(&pyra_driver); 691cb7cf3daSStefan Achatz } 692cb7cf3daSStefan Achatz 693cb7cf3daSStefan Achatz module_init(pyra_init); 694cb7cf3daSStefan Achatz module_exit(pyra_exit); 695cb7cf3daSStefan Achatz 696cb7cf3daSStefan Achatz MODULE_AUTHOR("Stefan Achatz"); 697cb7cf3daSStefan Achatz MODULE_DESCRIPTION("USB Roccat Pyra driver"); 698cb7cf3daSStefan Achatz MODULE_LICENSE("GPL v2"); 699