linux-hardened/drivers/hid/hid-roccat-pyra.c
Stefan Achatz d2b570a5d4 HID: roccat: Normalized reported profile number for pyra button events.
Pyra uses profile numbers in range 0-4 for everything except button
events. Using range 1-5 consistent now.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-09-01 12:42:23 +02:00

968 lines
27 KiB
C

/*
* 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");