diff options
Diffstat (limited to 'drivers/hid/hid-roccat-pyra.c')
| -rw-r--r-- | drivers/hid/hid-roccat-pyra.c | 968 |
1 files changed, 968 insertions, 0 deletions
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c new file mode 100644 index 000000000000..9bf23047892a --- /dev/null +++ b/drivers/hid/hid-roccat-pyra.c @@ -0,0 +1,968 @@ +/* + * Roccat Pyra driver for Linux + * + * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* + * Roccat Pyra is a mobile gamer mouse which comes in wired and wireless + * variant. Wireless variant is not tested. + * Userland tools can be found at http://sourceforge.net/projects/roccat + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/usb.h> +#include <linux/module.h> +#include <linux/slab.h> +#include "hid-ids.h" +#include "hid-roccat.h" +#include "hid-roccat-pyra.h" + +static void profile_activated(struct pyra_device *pyra, + unsigned int new_profile) +{ + pyra->actual_profile = new_profile; + pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi; +} + +static int pyra_send_control(struct usb_device *usb_dev, int value, + enum pyra_control_requests request) +{ + int len; + struct pyra_control control; + + if ((request == PYRA_CONTROL_REQUEST_PROFILE_SETTINGS || + request == PYRA_CONTROL_REQUEST_PROFILE_BUTTONS) && + (value < 0 || value > 4)) + return -EINVAL; + + control.command = PYRA_COMMAND_CONTROL; + control.value = value; + control.request = request; + + len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), + USB_REQ_SET_CONFIGURATION, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, + PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, + sizeof(struct pyra_control), + USB_CTRL_SET_TIMEOUT); + + if (len != sizeof(struct pyra_control)) + return len; + + return 0; +} + +static int pyra_receive_control_status(struct usb_device *usb_dev) +{ + int len; + struct pyra_control control; + + do { + msleep(10); + + len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), + USB_REQ_CLEAR_FEATURE, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | + USB_DIR_IN, + PYRA_USB_COMMAND_CONTROL, 0, (char *)&control, + sizeof(struct pyra_control), + USB_CTRL_SET_TIMEOUT); + + /* requested too early, try again */ + } while (len == -EPROTO); + + if (len == sizeof(struct pyra_control) && + control.command == PYRA_COMMAND_CONTROL && + control.request == PYRA_CONTROL_REQUEST_STATUS && + control.value == 1) + return 0; + else { + dev_err(&usb_dev->dev, "receive control status: " + "unknown response 0x%x 0x%x\n", + control.request, control.value); + return -EINVAL; + } +} + +static int pyra_get_profile_settings(struct usb_device *usb_dev, + struct pyra_profile_settings *buf, int number) +{ + int retval; + + retval = pyra_send_control(usb_dev, number, + PYRA_CONTROL_REQUEST_PROFILE_SETTINGS); + + if (retval) + return retval; + + retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), + USB_REQ_CLEAR_FEATURE, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)buf, + sizeof(struct pyra_profile_settings), + USB_CTRL_SET_TIMEOUT); + + if (retval != sizeof(struct pyra_profile_settings)) + return retval; + + return 0; +} + +static int pyra_get_profile_buttons(struct usb_device *usb_dev, + struct pyra_profile_buttons *buf, int number) +{ + int retval; + + retval = pyra_send_control(usb_dev, number, + PYRA_CONTROL_REQUEST_PROFILE_BUTTONS); + + if (retval) + return retval; + + retval = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), + USB_REQ_CLEAR_FEATURE, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buf, + sizeof(struct pyra_profile_buttons), + USB_CTRL_SET_TIMEOUT); + + if (retval != sizeof(struct pyra_profile_buttons)) + return retval; + + return 0; +} + +static int pyra_get_settings(struct usb_device *usb_dev, + struct pyra_settings *buf) +{ + int len; + len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), + USB_REQ_CLEAR_FEATURE, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + PYRA_USB_COMMAND_SETTINGS, 0, buf, + sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); + if (len != sizeof(struct pyra_settings)) + return -EIO; + return 0; +} + +static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf) +{ + int len; + len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), + USB_REQ_CLEAR_FEATURE, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + PYRA_USB_COMMAND_INFO, 0, buf, + sizeof(struct pyra_info), USB_CTRL_SET_TIMEOUT); + if (len != sizeof(struct pyra_info)) + return -EIO; + return 0; +} + +static int pyra_set_profile_settings(struct usb_device *usb_dev, + struct pyra_profile_settings const *settings) +{ + int len; + len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), + USB_REQ_SET_CONFIGURATION, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, + PYRA_USB_COMMAND_PROFILE_SETTINGS, 0, (char *)settings, + sizeof(struct pyra_profile_settings), + USB_CTRL_SET_TIMEOUT); + if (len != sizeof(struct pyra_profile_settings)) + return -EIO; + if (pyra_receive_control_status(usb_dev)) + return -EIO; + return 0; +} + +static int pyra_set_profile_buttons(struct usb_device *usb_dev, + struct pyra_profile_buttons const *buttons) +{ + int len; + len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), + USB_REQ_SET_CONFIGURATION, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, + PYRA_USB_COMMAND_PROFILE_BUTTONS, 0, (char *)buttons, + sizeof(struct pyra_profile_buttons), + USB_CTRL_SET_TIMEOUT); + if (len != sizeof(struct pyra_profile_buttons)) + return -EIO; + if (pyra_receive_control_status(usb_dev)) + return -EIO; + return 0; +} + +static int pyra_set_settings(struct usb_device *usb_dev, + struct pyra_settings const *settings) +{ + int len; + len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), + USB_REQ_SET_CONFIGURATION, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, + PYRA_USB_COMMAND_SETTINGS, 0, (char *)settings, + sizeof(struct pyra_settings), USB_CTRL_SET_TIMEOUT); + if (len != sizeof(struct pyra_settings)) + return -EIO; + if (pyra_receive_control_status(usb_dev)) + return -EIO; + return 0; +} + +static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count, int number) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + + if (off >= sizeof(struct pyra_profile_settings)) + return 0; + + if (off + count > sizeof(struct pyra_profile_settings)) + count = sizeof(struct pyra_profile_settings) - off; + + mutex_lock(&pyra->pyra_lock); + memcpy(buf, ((char const *)&pyra->profile_settings[number]) + off, + count); + mutex_unlock(&pyra->pyra_lock); + + return count; +} + +static ssize_t pyra_sysfs_read_profile1_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_settings(fp, kobj, + attr, buf, off, count, 0); +} + +static ssize_t pyra_sysfs_read_profile2_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_settings(fp, kobj, + attr, buf, off, count, 1); +} + +static ssize_t pyra_sysfs_read_profile3_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_settings(fp, kobj, + attr, buf, off, count, 2); +} + +static ssize_t pyra_sysfs_read_profile4_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_settings(fp, kobj, + attr, buf, off, count, 3); +} + +static ssize_t pyra_sysfs_read_profile5_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_settings(fp, kobj, + attr, buf, off, count, 4); +} + +static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count, int number) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + + if (off >= sizeof(struct pyra_profile_buttons)) + return 0; + + if (off + count > sizeof(struct pyra_profile_buttons)) + count = sizeof(struct pyra_profile_buttons) - off; + + mutex_lock(&pyra->pyra_lock); + memcpy(buf, ((char const *)&pyra->profile_buttons[number]) + off, + count); + mutex_unlock(&pyra->pyra_lock); + + return count; +} + +static ssize_t pyra_sysfs_read_profile1_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_buttons(fp, kobj, + attr, buf, off, count, 0); +} + +static ssize_t pyra_sysfs_read_profile2_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_buttons(fp, kobj, + attr, buf, off, count, 1); +} + +static ssize_t pyra_sysfs_read_profile3_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_buttons(fp, kobj, + attr, buf, off, count, 2); +} + +static ssize_t pyra_sysfs_read_profile4_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_buttons(fp, kobj, + attr, buf, off, count, 3); +} + +static ssize_t pyra_sysfs_read_profile5_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return pyra_sysfs_read_profilex_buttons(fp, kobj, + attr, buf, off, count, 4); +} + +static ssize_t pyra_sysfs_write_profile_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval = 0; + int difference; + int profile_number; + struct pyra_profile_settings *profile_settings; + + if (off != 0 || count != sizeof(struct pyra_profile_settings)) + return -EINVAL; + + profile_number = ((struct pyra_profile_settings const *)buf)->number; + profile_settings = &pyra->profile_settings[profile_number]; + + mutex_lock(&pyra->pyra_lock); + difference = memcmp(buf, profile_settings, + sizeof(struct pyra_profile_settings)); + if (difference) { + retval = pyra_set_profile_settings(usb_dev, + (struct pyra_profile_settings const *)buf); + if (!retval) + memcpy(profile_settings, buf, + sizeof(struct pyra_profile_settings)); + } + mutex_unlock(&pyra->pyra_lock); + + if (retval) + return retval; + + return sizeof(struct pyra_profile_settings); +} + +static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval = 0; + int difference; + int profile_number; + struct pyra_profile_buttons *profile_buttons; + + if (off != 0 || count != sizeof(struct pyra_profile_buttons)) + return -EINVAL; + + profile_number = ((struct pyra_profile_buttons const *)buf)->number; + profile_buttons = &pyra->profile_buttons[profile_number]; + + mutex_lock(&pyra->pyra_lock); + difference = memcmp(buf, profile_buttons, + sizeof(struct pyra_profile_buttons)); + if (difference) { + retval = pyra_set_profile_buttons(usb_dev, + (struct pyra_profile_buttons const *)buf); + if (!retval) + memcpy(profile_buttons, buf, + sizeof(struct pyra_profile_buttons)); + } + mutex_unlock(&pyra->pyra_lock); + + if (retval) + return retval; + + return sizeof(struct pyra_profile_buttons); +} + +static ssize_t pyra_sysfs_read_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + + if (off >= sizeof(struct pyra_settings)) + return 0; + + if (off + count > sizeof(struct pyra_settings)) + count = sizeof(struct pyra_settings) - off; + + mutex_lock(&pyra->pyra_lock); + memcpy(buf, ((char const *)&pyra->settings) + off, count); + mutex_unlock(&pyra->pyra_lock); + + return count; +} + +static ssize_t pyra_sysfs_write_settings(struct file *fp, + struct kobject *kobj, struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev)); + int retval = 0; + int difference; + + if (off != 0 || count != sizeof(struct pyra_settings)) + return -EINVAL; + + mutex_lock(&pyra->pyra_lock); + difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings)); + if (difference) { + retval = pyra_set_settings(usb_dev, + (struct pyra_settings const *)buf); + if (!retval) + memcpy(&pyra->settings, buf, + sizeof(struct pyra_settings)); + } + mutex_unlock(&pyra->pyra_lock); + + if (retval) + return retval; + + profile_activated(pyra, pyra->settings.startup_profile); + + return sizeof(struct pyra_settings); +} + + +static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); +} + +static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile); +} + +static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version); +} + +static ssize_t pyra_sysfs_show_startup_profile(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev)); + return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile); +} + +static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL); + +static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL); + +static DEVICE_ATTR(firmware_version, 0440, + pyra_sysfs_show_firmware_version, NULL); + +static DEVICE_ATTR(startup_profile, 0440, + pyra_sysfs_show_startup_profile, NULL); + +static struct attribute *pyra_attributes[] = { + &dev_attr_actual_cpi.attr, + &dev_attr_actual_profile.attr, + &dev_attr_firmware_version.attr, + &dev_attr_startup_profile.attr, + NULL +}; + +static struct attribute_group pyra_attribute_group = { + .attrs = pyra_attributes +}; + +static struct bin_attribute pyra_profile_settings_attr = { + .attr = { .name = "profile_settings", .mode = 0220 }, + .size = sizeof(struct pyra_profile_settings), + .write = pyra_sysfs_write_profile_settings +}; + +static struct bin_attribute pyra_profile1_settings_attr = { + .attr = { .name = "profile1_settings", .mode = 0440 }, + .size = sizeof(struct pyra_profile_settings), + .read = pyra_sysfs_read_profile1_settings +}; + +static struct bin_attribute pyra_profile2_settings_attr = { + .attr = { .name = "profile2_settings", .mode = 0440 }, + .size = sizeof(struct pyra_profile_settings), + .read = pyra_sysfs_read_profile2_settings +}; + +static struct bin_attribute pyra_profile3_settings_attr = { + .attr = { .name = "profile3_settings", .mode = 0440 }, + .size = sizeof(struct pyra_profile_settings), + .read = pyra_sysfs_read_profile3_settings +}; + +static struct bin_attribute pyra_profile4_settings_attr = { + .attr = { .name = "profile4_settings", .mode = 0440 }, + .size = sizeof(struct pyra_profile_settings), + .read = pyra_sysfs_read_profile4_settings +}; + +static struct bin_attribute pyra_profile5_settings_attr = { + .attr = { .name = "profile5_settings", .mode = 0440 }, + .size = sizeof(struct pyra_profile_settings), + .read = pyra_sysfs_read_profile5_settings +}; + +static struct bin_attribute pyra_profile_buttons_attr = { + .attr = { .name = "profile_buttons", .mode = 0220 }, + .size = sizeof(struct pyra_profile_buttons), + .write = pyra_sysfs_write_profile_buttons +}; + +static struct bin_attribute pyra_profile1_buttons_attr = { + .attr = { .name = "profile1_buttons", .mode = 0440 }, + .size = sizeof(struct pyra_profile_buttons), + .read = pyra_sysfs_read_profile1_buttons +}; + +static struct bin_attribute pyra_profile2_buttons_attr = { + .attr = { .name = "profile2_buttons", .mode = 0440 }, + .size = sizeof(struct pyra_profile_buttons), + .read = pyra_sysfs_read_profile2_buttons +}; + +static struct bin_attribute pyra_profile3_buttons_attr = { + .attr = { .name = "profile3_buttons", .mode = 0440 }, + .size = sizeof(struct pyra_profile_buttons), + .read = pyra_sysfs_read_profile3_buttons +}; + +static struct bin_attribute pyra_profile4_buttons_attr = { + .attr = { .name = "profile4_buttons", .mode = 0440 }, + .size = sizeof(struct pyra_profile_buttons), + .read = pyra_sysfs_read_profile4_buttons +}; + +static struct bin_attribute pyra_profile5_buttons_attr = { + .attr = { .name = "profile5_buttons", .mode = 0440 }, + .size = sizeof(struct pyra_profile_buttons), + .read = pyra_sysfs_read_profile5_buttons +}; + +static struct bin_attribute pyra_settings_attr = { + .attr = { .name = "settings", .mode = 0660 }, + .size = sizeof(struct pyra_settings), + .read = pyra_sysfs_read_settings, + .write = pyra_sysfs_write_settings +}; + +static int pyra_create_sysfs_attributes(struct usb_interface *intf) +{ + int retval; + + retval = sysfs_create_group(&intf->dev.kobj, &pyra_attribute_group); + if (retval) + goto exit_1; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile_settings_attr); + if (retval) + goto exit_2; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile1_settings_attr); + if (retval) + goto exit_3; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile2_settings_attr); + if (retval) + goto exit_4; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile3_settings_attr); + if (retval) + goto exit_5; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile4_settings_attr); + if (retval) + goto exit_6; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile5_settings_attr); + if (retval) + goto exit_7; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile_buttons_attr); + if (retval) + goto exit_8; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile1_buttons_attr); + if (retval) + goto exit_9; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile2_buttons_attr); + if (retval) + goto exit_10; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile3_buttons_attr); + if (retval) + goto exit_11; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile4_buttons_attr); + if (retval) + goto exit_12; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_profile5_buttons_attr); + if (retval) + goto exit_13; + + retval = sysfs_create_bin_file(&intf->dev.kobj, + &pyra_settings_attr); + if (retval) + goto exit_14; + + return 0; + +exit_14: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr); +exit_13: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr); +exit_12: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr); +exit_11: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr); +exit_10: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr); +exit_9: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr); +exit_8: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr); +exit_7: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr); +exit_6: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr); +exit_5: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr); +exit_4: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr); +exit_3: + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr); +exit_2: + sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group); +exit_1: + return retval; +} + +static void pyra_remove_sysfs_attributes(struct usb_interface *intf) +{ + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_settings_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_buttons_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_buttons_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_buttons_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_buttons_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_buttons_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_buttons_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile5_settings_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile4_settings_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile3_settings_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile2_settings_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile1_settings_attr); + sysfs_remove_bin_file(&intf->dev.kobj, &pyra_profile_settings_attr); + sysfs_remove_group(&intf->dev.kobj, &pyra_attribute_group); +} + +static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, + struct pyra_device *pyra) +{ + struct pyra_info *info; + int retval, i; + + mutex_init(&pyra->pyra_lock); + + info = kmalloc(sizeof(struct pyra_info), GFP_KERNEL); + if (!info) + return -ENOMEM; + retval = pyra_get_info(usb_dev, info); + if (retval) { + kfree(info); + return retval; + } + pyra->firmware_version = info->firmware_version; + kfree(info); + + retval = pyra_get_settings(usb_dev, &pyra->settings); + if (retval) + return retval; + + for (i = 0; i < 5; ++i) { + retval = pyra_get_profile_settings(usb_dev, + &pyra->profile_settings[i], i); + if (retval) + return retval; + + retval = pyra_get_profile_buttons(usb_dev, + &pyra->profile_buttons[i], i); + if (retval) + return retval; + } + + profile_activated(pyra, pyra->settings.startup_profile); + + return 0; +} + +static int pyra_init_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *usb_dev = interface_to_usbdev(intf); + struct pyra_device *pyra; + int retval; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_MOUSE) { + + pyra = kzalloc(sizeof(*pyra), GFP_KERNEL); + if (!pyra) { + dev_err(&hdev->dev, "can't alloc device descriptor\n"); + return -ENOMEM; + } + hid_set_drvdata(hdev, pyra); + + retval = pyra_init_pyra_device_struct(usb_dev, pyra); + if (retval) { + dev_err(&hdev->dev, + "couldn't init struct pyra_device\n"); + goto exit_free; + } + + retval = roccat_connect(hdev); + if (retval < 0) { + dev_err(&hdev->dev, "couldn't init char dev\n"); + } else { + pyra->chrdev_minor = retval; + pyra->roccat_claimed = 1; + } + + retval = pyra_create_sysfs_attributes(intf); + if (retval) { + dev_err(&hdev->dev, "cannot create sysfs files\n"); + goto exit_free; + } + } else { + hid_set_drvdata(hdev, NULL); + } + + return 0; +exit_free: + kfree(pyra); + return retval; +} + +static void pyra_remove_specials(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct pyra_device *pyra; + + if (intf->cur_altsetting->desc.bInterfaceProtocol + == USB_INTERFACE_PROTOCOL_MOUSE) { + pyra_remove_sysfs_attributes(intf); + pyra = hid_get_drvdata(hdev); + if (pyra->roccat_claimed) + roccat_disconnect(pyra->chrdev_minor); + kfree(hid_get_drvdata(hdev)); + } +} + +static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int retval; + + retval = hid_parse(hdev); + if (retval) { + dev_err(&hdev->dev, "parse failed\n"); + goto exit; + } + + retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (retval) { + dev_err(&hdev->dev, "hw start failed\n"); + goto exit; + } + + retval = pyra_init_specials(hdev); + if (retval) { + dev_err(&hdev->dev, "couldn't install mouse\n"); + goto exit_stop; + } + return 0; + +exit_stop: + hid_hw_stop(hdev); +exit: + return retval; +} + +static void pyra_remove(struct hid_device *hdev) +{ + pyra_remove_specials(hdev); + hid_hw_stop(hdev); +} + +static void pyra_keep_values_up_to_date(struct pyra_device *pyra, + u8 const *data) +{ + struct pyra_mouse_event_button const *button_event; + + switch (data[0]) { + case PYRA_MOUSE_REPORT_NUMBER_BUTTON: + button_event = (struct pyra_mouse_event_button const *)data; + switch (button_event->type) { + case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: + profile_activated(pyra, button_event->data1 - 1); + break; + case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: + pyra->actual_cpi = button_event->data1; + break; + } + break; + } +} + +static void pyra_report_to_chrdev(struct pyra_device const *pyra, + u8 const *data) +{ + struct pyra_roccat_report roccat_report; + struct pyra_mouse_event_button const *button_event; + + if (data[0] != PYRA_MOUSE_REPORT_NUMBER_BUTTON) + return; + + button_event = (struct pyra_mouse_event_button const *)data; + + switch (button_event->type) { + case PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2: + case PYRA_MOUSE_EVENT_BUTTON_TYPE_CPI: + roccat_report.type = button_event->type; + roccat_report.value = button_event->data1; + roccat_report.key = 0; + roccat_report_event(pyra->chrdev_minor, + (uint8_t const *)&roccat_report, + sizeof(struct pyra_roccat_report)); + break; + case PYRA_MOUSE_EVENT_BUTTON_TYPE_MACRO: + case PYRA_MOUSE_EVENT_BUTTON_TYPE_SHORTCUT: + case PYRA_MOUSE_EVENT_BUTTON_TYPE_QUICKLAUNCH: + if (button_event->data2 == PYRA_MOUSE_EVENT_BUTTON_PRESS) { + roccat_report.type = button_event->type; + roccat_report.key = button_event->data1; + /* + * pyra reports profile numbers with range 1-5. + * Keeping this behaviour. + */ + roccat_report.value = pyra->actual_profile + 1; + roccat_report_event(pyra->chrdev_minor, + (uint8_t const *)&roccat_report, + sizeof(struct pyra_roccat_report)); + } + break; + } +} + +static int pyra_raw_event(struct hid_device *hdev, struct hid_report *report, + u8 *data, int size) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct pyra_device *pyra = hid_get_drvdata(hdev); + + if (intf->cur_altsetting->desc.bInterfaceProtocol + != USB_INTERFACE_PROTOCOL_MOUSE) + return 0; + + pyra_keep_values_up_to_date(pyra, data); + + if (pyra->roccat_claimed) + pyra_report_to_chrdev(pyra, data); + + return 0; +} + +static const struct hid_device_id pyra_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, + USB_DEVICE_ID_ROCCAT_PYRA_WIRED) }, + /* TODO add USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS after testing */ + { } +}; + +MODULE_DEVICE_TABLE(hid, pyra_devices); + +static struct hid_driver pyra_driver = { + .name = "pyra", + .id_table = pyra_devices, + .probe = pyra_probe, + .remove = pyra_remove, + .raw_event = pyra_raw_event +}; + +static int __init pyra_init(void) +{ + return hid_register_driver(&pyra_driver); +} + +static void __exit pyra_exit(void) +{ + hid_unregister_driver(&pyra_driver); +} + +module_init(pyra_init); +module_exit(pyra_exit); + +MODULE_AUTHOR("Stefan Achatz"); +MODULE_DESCRIPTION("USB Roccat Pyra driver"); +MODULE_LICENSE("GPL v2"); |