--- /dev/null
+/*
+ * 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;
+ roccat_report.value = pyra->actual_profile;
+ 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");
projects / users / hch / misc.git / commitdiff