Release 4.11 drivers/hid/hid-roccat-arvo.c
/*
* Roccat Arvo driver for Linux
*
* Copyright (c) 2011 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 Arvo is a gamer keyboard with 5 macro keys that can be configured in
* 5 profiles.
*/
#include <linux/device.h>
#include <linux/input.h>
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/hid-roccat.h>
#include "hid-ids.h"
#include "hid-roccat-common.h"
#include "hid-roccat-arvo.h"
static struct class *arvo_class;
static ssize_t arvo_sysfs_show_mode_key(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct arvo_device *arvo =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
struct usb_device *usb_dev =
interface_to_usbdev(to_usb_interface(dev->parent->parent));
struct arvo_mode_key temp_buf;
int retval;
mutex_lock(&arvo->arvo_lock);
retval = roccat_common2_receive(usb_dev, ARVO_COMMAND_MODE_KEY,
&temp_buf, sizeof(struct arvo_mode_key));
mutex_unlock(&arvo->arvo_lock);
if (retval)
return retval;
return snprintf(buf, PAGE_SIZE, "%d\n", temp_buf.state);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 116 | 100.00% | 4 | 100.00% |
| Total | 116 | 100.00% | 4 | 100.00% |
static ssize_t arvo_sysfs_set_mode_key(struct device *dev,
struct device_attribute *attr, char const *buf, size_t size)
{
struct arvo_device *arvo =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
struct usb_device *usb_dev =
interface_to_usbdev(to_usb_interface(dev->parent->parent));
struct arvo_mode_key temp_buf;
unsigned long state;
int retval;
retval = kstrtoul(buf, 10, &state);
if (retval)
return retval;
temp_buf.command = ARVO_COMMAND_MODE_KEY;
temp_buf.state = state;
mutex_lock(&arvo->arvo_lock);
retval = roccat_common2_send(usb_dev, ARVO_COMMAND_MODE_KEY,
&temp_buf, sizeof(struct arvo_mode_key));
mutex_unlock(&arvo->arvo_lock);
if (retval)
return retval;
return size;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 143 | 99.31% | 4 | 80.00% |
| Jingoo Han | 1 | 0.69% | 1 | 20.00% |
| Total | 144 | 100.00% | 5 | 100.00% |
static DEVICE_ATTR(mode_key, 0660,
arvo_sysfs_show_mode_key, arvo_sysfs_set_mode_key);
static ssize_t arvo_sysfs_show_key_mask(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct arvo_device *arvo =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
struct usb_device *usb_dev =
interface_to_usbdev(to_usb_interface(dev->parent->parent));
struct arvo_key_mask temp_buf;
int retval;
mutex_lock(&arvo->arvo_lock);
retval = roccat_common2_receive(usb_dev, ARVO_COMMAND_KEY_MASK,
&temp_buf, sizeof(struct arvo_key_mask));
mutex_unlock(&arvo->arvo_lock);
if (retval)
return retval;
return snprintf(buf, PAGE_SIZE, "%d\n", temp_buf.key_mask);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 116 | 100.00% | 4 | 100.00% |
| Total | 116 | 100.00% | 4 | 100.00% |
static ssize_t arvo_sysfs_set_key_mask(struct device *dev,
struct device_attribute *attr, char const *buf, size_t size)
{
struct arvo_device *arvo =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
struct usb_device *usb_dev =
interface_to_usbdev(to_usb_interface(dev->parent->parent));
struct arvo_key_mask temp_buf;
unsigned long key_mask;
int retval;
retval = kstrtoul(buf, 10, &key_mask);
if (retval)
return retval;
temp_buf.command = ARVO_COMMAND_KEY_MASK;
temp_buf.key_mask = key_mask;
mutex_lock(&arvo->arvo_lock);
retval = roccat_common2_send(usb_dev, ARVO_COMMAND_KEY_MASK,
&temp_buf, sizeof(struct arvo_key_mask));
mutex_unlock(&arvo->arvo_lock);
if (retval)
return retval;
return size;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 143 | 99.31% | 4 | 80.00% |
| Jingoo Han | 1 | 0.69% | 1 | 20.00% |
| Total | 144 | 100.00% | 5 | 100.00% |
static DEVICE_ATTR(key_mask, 0660,
arvo_sysfs_show_key_mask, arvo_sysfs_set_key_mask);
/* retval is 1-5 on success, < 0 on error */
static int arvo_get_actual_profile(struct usb_device *usb_dev)
{
struct arvo_actual_profile temp_buf;
int retval;
retval = roccat_common2_receive(usb_dev, ARVO_COMMAND_ACTUAL_PROFILE,
&temp_buf, sizeof(struct arvo_actual_profile));
if (retval)
return retval;
return temp_buf.actual_profile;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 48 | 100.00% | 4 | 100.00% |
| Total | 48 | 100.00% | 4 | 100.00% |
static ssize_t arvo_sysfs_show_actual_profile(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct arvo_device *arvo =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
return snprintf(buf, PAGE_SIZE, "%d\n", arvo->actual_profile);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 51 | 100.00% | 1 | 100.00% |
| Total | 51 | 100.00% | 1 | 100.00% |
static ssize_t arvo_sysfs_set_actual_profile(struct device *dev,
struct device_attribute *attr, char const *buf, size_t size)
{
struct arvo_device *arvo =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
struct usb_device *usb_dev =
interface_to_usbdev(to_usb_interface(dev->parent->parent));
struct arvo_actual_profile temp_buf;
unsigned long profile;
int retval;
retval = kstrtoul(buf, 10, &profile);
if (retval)
return retval;
if (profile < 1 || profile > 5)
return -EINVAL;
temp_buf.command = ARVO_COMMAND_ACTUAL_PROFILE;
temp_buf.actual_profile = profile;
mutex_lock(&arvo->arvo_lock);
retval = roccat_common2_send(usb_dev, ARVO_COMMAND_ACTUAL_PROFILE,
&temp_buf, sizeof(struct arvo_actual_profile));
if (!retval) {
arvo->actual_profile = profile;
retval = size;
}
mutex_unlock(&arvo->arvo_lock);
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 167 | 99.40% | 5 | 83.33% |
| Jingoo Han | 1 | 0.60% | 1 | 16.67% |
| Total | 168 | 100.00% | 6 | 100.00% |
static DEVICE_ATTR(actual_profile, 0660,
arvo_sysfs_show_actual_profile,
arvo_sysfs_set_actual_profile);
static ssize_t arvo_sysfs_write(struct file *fp,
struct kobject *kobj, void const *buf,
loff_t off, size_t count, size_t real_size, uint command)
{
struct device *dev = kobj_to_dev(kobj)->parent->parent;
struct arvo_device *arvo = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
int retval;
if (off != 0 || count != real_size)
return -EINVAL;
mutex_lock(&arvo->arvo_lock);
retval = roccat_common2_send(usb_dev, command, buf, real_size);
mutex_unlock(&arvo->arvo_lock);
return (retval ? retval : real_size);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 127 | 99.22% | 2 | 66.67% |
| Geliang Tang | 1 | 0.78% | 1 | 33.33% |
| Total | 128 | 100.00% | 3 | 100.00% |
static ssize_t arvo_sysfs_read(struct file *fp,
struct kobject *kobj, void *buf, loff_t off,
size_t count, size_t real_size, uint command)
{
struct device *dev = kobj_to_dev(kobj)->parent->parent;
struct arvo_device *arvo = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
int retval;
if (off >= real_size)
return 0;
if (off != 0 || count != real_size)
return -EINVAL;
mutex_lock(&arvo->arvo_lock);
retval = roccat_common2_receive(usb_dev, command, buf, real_size);
mutex_unlock(&arvo->arvo_lock);
return (retval ? retval : real_size);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 135 | 99.26% | 2 | 66.67% |
| Geliang Tang | 1 | 0.74% | 1 | 33.33% |
| Total | 136 | 100.00% | 3 | 100.00% |
static ssize_t arvo_sysfs_write_button(struct file *fp,
struct kobject *kobj, struct bin_attribute *attr, char *buf,
loff_t off, size_t count)
{
return arvo_sysfs_write(fp, kobj, buf, off, count,
sizeof(struct arvo_button), ARVO_COMMAND_BUTTON);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 53 | 100.00% | 2 | 100.00% |
| Total | 53 | 100.00% | 2 | 100.00% |
static BIN_ATTR(button, 0220, NULL, arvo_sysfs_write_button,
sizeof(struct arvo_button));
static ssize_t arvo_sysfs_read_info(struct file *fp,
struct kobject *kobj, struct bin_attribute *attr, char *buf,
loff_t off, size_t count)
{
return arvo_sysfs_read(fp, kobj, buf, off, count,
sizeof(struct arvo_info), ARVO_COMMAND_INFO);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 53 | 100.00% | 2 | 100.00% |
| Total | 53 | 100.00% | 2 | 100.00% |
static BIN_ATTR(info, 0440, arvo_sysfs_read_info, NULL,
sizeof(struct arvo_info));
static struct attribute *arvo_attrs[] = {
&dev_attr_mode_key.attr,
&dev_attr_key_mask.attr,
&dev_attr_actual_profile.attr,
NULL,
};
static struct bin_attribute *arvo_bin_attributes[] = {
&bin_attr_button,
&bin_attr_info,
NULL,
};
static const struct attribute_group arvo_group = {
.attrs = arvo_attrs,
.bin_attrs = arvo_bin_attributes,
};
static const struct attribute_group *arvo_groups[] = {
&arvo_group,
NULL,
};
static int arvo_init_arvo_device_struct(struct usb_device *usb_dev,
struct arvo_device *arvo)
{
int retval;
mutex_init(&arvo->arvo_lock);
retval = arvo_get_actual_profile(usb_dev);
if (retval < 0)
return retval;
arvo->actual_profile = retval;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 52 | 100.00% | 1 | 100.00% |
| Total | 52 | 100.00% | 1 | 100.00% |
static int arvo_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 arvo_device *arvo;
int retval;
if (intf->cur_altsetting->desc.bInterfaceProtocol
== USB_INTERFACE_PROTOCOL_KEYBOARD) {
hid_set_drvdata(hdev, NULL);
return 0;
}
arvo = kzalloc(sizeof(*arvo), GFP_KERNEL);
if (!arvo) {
hid_err(hdev, "can't alloc device descriptor\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, arvo);
retval = arvo_init_arvo_device_struct(usb_dev, arvo);
if (retval) {
hid_err(hdev, "couldn't init struct arvo_device\n");
goto exit_free;
}
retval = roccat_connect(arvo_class, hdev,
sizeof(struct arvo_roccat_report));
if (retval < 0) {
hid_err(hdev, "couldn't init char dev\n");
} else {
arvo->chrdev_minor = retval;
arvo->roccat_claimed = 1;
}
return 0;
exit_free:
kfree(arvo);
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 188 | 100.00% | 3 | 100.00% |
| Total | 188 | 100.00% | 3 | 100.00% |
static void arvo_remove_specials(struct hid_device *hdev)
{
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
struct arvo_device *arvo;
if (intf->cur_altsetting->desc.bInterfaceProtocol
== USB_INTERFACE_PROTOCOL_KEYBOARD)
return;
arvo = hid_get_drvdata(hdev);
if (arvo->roccat_claimed)
roccat_disconnect(arvo->chrdev_minor);
kfree(arvo);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 68 | 100.00% | 1 | 100.00% |
| Total | 68 | 100.00% | 1 | 100.00% |
static int arvo_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
int retval;
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
goto exit;
}
retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (retval) {
hid_err(hdev, "hw start failed\n");
goto exit;
}
retval = arvo_init_specials(hdev);
if (retval) {
hid_err(hdev, "couldn't install keyboard\n");
goto exit_stop;
}
return 0;
exit_stop:
hid_hw_stop(hdev);
exit:
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 106 | 100.00% | 2 | 100.00% |
| Total | 106 | 100.00% | 2 | 100.00% |
static void arvo_remove(struct hid_device *hdev)
{
arvo_remove_specials(hdev);
hid_hw_stop(hdev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
static void arvo_report_to_chrdev(struct arvo_device const *arvo,
u8 const *data)
{
struct arvo_special_report const *special_report;
struct arvo_roccat_report roccat_report;
special_report = (struct arvo_special_report const *)data;
roccat_report.profile = arvo->actual_profile;
roccat_report.button = special_report->event &
ARVO_SPECIAL_REPORT_EVENT_MASK_BUTTON;
if ((special_report->event & ARVO_SPECIAL_REPORT_EVENT_MASK_ACTION) ==
ARVO_SPECIAL_REPORT_EVENT_ACTION_PRESS)
roccat_report.action = ARVO_ROCCAT_REPORT_ACTION_PRESS;
else
roccat_report.action = ARVO_ROCCAT_REPORT_ACTION_RELEASE;
roccat_report_event(arvo->chrdev_minor,
(uint8_t const *)&roccat_report);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 95 | 100.00% | 1 | 100.00% |
| Total | 95 | 100.00% | 1 | 100.00% |
static int arvo_raw_event(struct hid_device *hdev,
struct hid_report *report, u8 *data, int size)
{
struct arvo_device *arvo = hid_get_drvdata(hdev);
if (size != 3)
return 0;
if (arvo && arvo->roccat_claimed)
arvo_report_to_chrdev(arvo, data);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 60 | 100.00% | 2 | 100.00% |
| Total | 60 | 100.00% | 2 | 100.00% |
static const struct hid_device_id arvo_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
{ }
};
MODULE_DEVICE_TABLE(hid, arvo_devices);
static struct hid_driver arvo_driver = {
.name = "arvo",
.id_table = arvo_devices,
.probe = arvo_probe,
.remove = arvo_remove,
.raw_event = arvo_raw_event
};
static int __init arvo_init(void)
{
int retval;
arvo_class = class_create(THIS_MODULE, "arvo");
if (IS_ERR(arvo_class))
return PTR_ERR(arvo_class);
arvo_class->dev_groups = arvo_groups;
retval = hid_register_driver(&arvo_driver);
if (retval)
class_destroy(arvo_class);
return retval;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 58 | 96.67% | 1 | 50.00% |
| Greg Kroah-Hartman | 2 | 3.33% | 1 | 50.00% |
| Total | 60 | 100.00% | 2 | 100.00% |
static void __exit arvo_exit(void)
{
hid_unregister_driver(&arvo_driver);
class_destroy(arvo_class);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 20 | 100.00% | 2 | 100.00% |
| Total | 20 | 100.00% | 2 | 100.00% |
module_init(arvo_init);
module_exit(arvo_exit);
MODULE_AUTHOR("Stefan Achatz");
MODULE_DESCRIPTION("USB Roccat Arvo driver");
MODULE_LICENSE("GPL v2");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stefan Achatz | 1967 | 93.85% | 9 | 69.23% |
| Greg Kroah-Hartman | 124 | 5.92% | 2 | 15.38% |
| Jingoo Han | 3 | 0.14% | 1 | 7.69% |
| Geliang Tang | 2 | 0.10% | 1 | 7.69% |
| Total | 2096 | 100.00% | 13 | 100.00% |
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