464 lines
11 KiB
C
464 lines
11 KiB
C
|
/*
|
||
|
|
* Roccat Isku 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 Isku is a gamer keyboard with 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-isku.h"
|
||
|
|
|
||
|
|
static struct class *isku_class;
|
||
|
|
|
||
|
|
static void isku_profile_activated(struct isku_device *isku, uint new_profile)
|
||
|
|
{
|
||
|
|
isku->actual_profile = new_profile;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int isku_receive(struct usb_device *usb_dev, uint command,
|
||
|
|
void *buf, uint size)
|
||
|
|
{
|
||
|
|
return roccat_common2_receive(usb_dev, command, buf, size);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int isku_get_actual_profile(struct usb_device *usb_dev)
|
||
|
|
{
|
||
|
|
struct isku_actual_profile buf;
|
||
|
|
int retval;
|
||
|
|
|
||
|
|
retval = isku_receive(usb_dev, ISKU_COMMAND_ACTUAL_PROFILE,
|
||
|
|
&buf, sizeof(struct isku_actual_profile));
|
||
|
|
return retval ? retval : buf.actual_profile;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int isku_set_actual_profile(struct usb_device *usb_dev, int new_profile)
|
||
|
|
{
|
||
|
|
struct isku_actual_profile buf;
|
||
|
|
|
||
|
|
buf.command = ISKU_COMMAND_ACTUAL_PROFILE;
|
||
|
|
buf.size = sizeof(struct isku_actual_profile);
|
||
|
|
buf.actual_profile = new_profile;
|
||
|
|
return roccat_common2_send_with_status(usb_dev,
|
||
|
|
ISKU_COMMAND_ACTUAL_PROFILE, &buf,
|
||
|
|
sizeof(struct isku_actual_profile));
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t isku_sysfs_show_actual_profile(struct device *dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
struct isku_device *isku =
|
||
|
|
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
|
||
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", isku->actual_profile);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t isku_sysfs_set_actual_profile(struct device *dev,
|
||
|
|
struct device_attribute *attr, char const *buf, size_t size)
|
||
|
|
{
|
||
|
|
struct isku_device *isku;
|
||
|
|
struct usb_device *usb_dev;
|
||
|
|
unsigned long profile;
|
||
|
|
int retval;
|
||
|
|
struct isku_roccat_report roccat_report;
|
||
|
|
|
||
|
|
dev = dev->parent->parent;
|
||
|
|
isku = hid_get_drvdata(dev_get_drvdata(dev));
|
||
|
|
usb_dev = interface_to_usbdev(to_usb_interface(dev));
|
||
|
|
|
||
|
|
retval = kstrtoul(buf, 10, &profile);
|
||
|
|
if (retval)
|
||
|
|
return retval;
|
||
|
|
|
||
|
|
if (profile > 4)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
mutex_lock(&isku->isku_lock);
|
||
|
|
|
||
|
|
retval = isku_set_actual_profile(usb_dev, profile);
|
||
|
|
if (retval) {
|
||
|
|
mutex_unlock(&isku->isku_lock);
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
isku_profile_activated(isku, profile);
|
||
|
|
|
||
|
|
roccat_report.event = ISKU_REPORT_BUTTON_EVENT_PROFILE;
|
||
|
|
roccat_report.data1 = profile + 1;
|
||
|
|
roccat_report.data2 = 0;
|
||
|
|
roccat_report.profile = profile + 1;
|
||
|
|
roccat_report_event(isku->chrdev_minor, (uint8_t const *)&roccat_report);
|
||
|
|
|
||
|
|
mutex_unlock(&isku->isku_lock);
|
||
|
|
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
static DEVICE_ATTR(actual_profile, 0660, isku_sysfs_show_actual_profile,
|
||
|
|
isku_sysfs_set_actual_profile);
|
||
|
|
|
||
|
|
static struct attribute *isku_attrs[] = {
|
||
|
|
&dev_attr_actual_profile.attr,
|
||
|
|
NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
static ssize_t isku_sysfs_read(struct file *fp, struct kobject *kobj,
|
||
|
|
char *buf, loff_t off, size_t count,
|
||
|
|
size_t real_size, uint command)
|
||
|
|
{
|
||
|
|
struct device *dev = kobj_to_dev(kobj)->parent->parent;
|
||
|
|
struct isku_device *isku = 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(&isku->isku_lock);
|
||
|
|
retval = isku_receive(usb_dev, command, buf, count);
|
||
|
|
mutex_unlock(&isku->isku_lock);
|
||
|
|
|
||
|
|
return retval ? retval : count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t isku_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 isku_device *isku = 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(&isku->isku_lock);
|
||
|
|
retval = roccat_common2_send_with_status(usb_dev, command,
|
||
|
|
(void *)buf, count);
|
||
|
|
mutex_unlock(&isku->isku_lock);
|
||
|
|
|
||
|
|
return retval ? retval : count;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ISKU_SYSFS_W(thingy, THINGY) \
|
||
|
|
static ssize_t isku_sysfs_write_ ## thingy(struct file *fp, struct kobject *kobj, \
|
||
|
|
struct bin_attribute *attr, char *buf, \
|
||
|
|
loff_t off, size_t count) \
|
||
|
|
{ \
|
||
|
|
return isku_sysfs_write(fp, kobj, buf, off, count, \
|
||
|
|
ISKU_SIZE_ ## THINGY, ISKU_COMMAND_ ## THINGY); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ISKU_SYSFS_R(thingy, THINGY) \
|
||
|
|
static ssize_t isku_sysfs_read_ ## thingy(struct file *fp, struct kobject *kobj, \
|
||
|
|
struct bin_attribute *attr, char *buf, \
|
||
|
|
loff_t off, size_t count) \
|
||
|
|
{ \
|
||
|
|
return isku_sysfs_read(fp, kobj, buf, off, count, \
|
||
|
|
ISKU_SIZE_ ## THINGY, ISKU_COMMAND_ ## THINGY); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ISKU_SYSFS_RW(thingy, THINGY) \
|
||
|
|
ISKU_SYSFS_R(thingy, THINGY) \
|
||
|
|
ISKU_SYSFS_W(thingy, THINGY)
|
||
|
|
|
||
|
|
#define ISKU_BIN_ATTR_RW(thingy, THINGY) \
|
||
|
|
ISKU_SYSFS_RW(thingy, THINGY); \
|
||
|
|
static struct bin_attribute bin_attr_##thingy = { \
|
||
|
|
.attr = { .name = #thingy, .mode = 0660 }, \
|
||
|
|
.size = ISKU_SIZE_ ## THINGY, \
|
||
|
|
.read = isku_sysfs_read_ ## thingy, \
|
||
|
|
.write = isku_sysfs_write_ ## thingy \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ISKU_BIN_ATTR_R(thingy, THINGY) \
|
||
|
|
ISKU_SYSFS_R(thingy, THINGY); \
|
||
|
|
static struct bin_attribute bin_attr_##thingy = { \
|
||
|
|
.attr = { .name = #thingy, .mode = 0440 }, \
|
||
|
|
.size = ISKU_SIZE_ ## THINGY, \
|
||
|
|
.read = isku_sysfs_read_ ## thingy, \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ISKU_BIN_ATTR_W(thingy, THINGY) \
|
||
|
|
ISKU_SYSFS_W(thingy, THINGY); \
|
||
|
|
static struct bin_attribute bin_attr_##thingy = { \
|
||
|
|
.attr = { .name = #thingy, .mode = 0220 }, \
|
||
|
|
.size = ISKU_SIZE_ ## THINGY, \
|
||
|
|
.write = isku_sysfs_write_ ## thingy \
|
||
|
|
}
|
||
|
|
|
||
|
|
ISKU_BIN_ATTR_RW(macro, MACRO);
|
||
|
|
ISKU_BIN_ATTR_RW(keys_function, KEYS_FUNCTION);
|
||
|
|
ISKU_BIN_ATTR_RW(keys_easyzone, KEYS_EASYZONE);
|
||
|
|
ISKU_BIN_ATTR_RW(keys_media, KEYS_MEDIA);
|
||
|
|
ISKU_BIN_ATTR_RW(keys_thumbster, KEYS_THUMBSTER);
|
||
|
|
ISKU_BIN_ATTR_RW(keys_macro, KEYS_MACRO);
|
||
|
|
ISKU_BIN_ATTR_RW(keys_capslock, KEYS_CAPSLOCK);
|
||
|
|
ISKU_BIN_ATTR_RW(light, LIGHT);
|
||
|
|
ISKU_BIN_ATTR_RW(key_mask, KEY_MASK);
|
||
|
|
ISKU_BIN_ATTR_RW(last_set, LAST_SET);
|
||
|
|
ISKU_BIN_ATTR_W(talk, TALK);
|
||
|
|
ISKU_BIN_ATTR_W(talkfx, TALKFX);
|
||
|
|
ISKU_BIN_ATTR_W(control, CONTROL);
|
||
|
|
ISKU_BIN_ATTR_W(reset, RESET);
|
||
|
|
ISKU_BIN_ATTR_R(info, INFO);
|
||
|
|
|
||
|
|
static struct bin_attribute *isku_bin_attributes[] = {
|
||
|
|
&bin_attr_macro,
|
||
|
|
&bin_attr_keys_function,
|
||
|
|
&bin_attr_keys_easyzone,
|
||
|
|
&bin_attr_keys_media,
|
||
|
|
&bin_attr_keys_thumbster,
|
||
|
|
&bin_attr_keys_macro,
|
||
|
|
&bin_attr_keys_capslock,
|
||
|
|
&bin_attr_light,
|
||
|
|
&bin_attr_key_mask,
|
||
|
|
&bin_attr_last_set,
|
||
|
|
&bin_attr_talk,
|
||
|
|
&bin_attr_talkfx,
|
||
|
|
&bin_attr_control,
|
||
|
|
&bin_attr_reset,
|
||
|
|
&bin_attr_info,
|
||
|
|
NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct attribute_group isku_group = {
|
||
|
|
.attrs = isku_attrs,
|
||
|
|
.bin_attrs = isku_bin_attributes,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct attribute_group *isku_groups[] = {
|
||
|
|
&isku_group,
|
||
|
|
NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int isku_init_isku_device_struct(struct usb_device *usb_dev,
|
||
|
|
struct isku_device *isku)
|
||
|
|
{
|
||
|
|
int retval;
|
||
|
|
|
||
|
|
mutex_init(&isku->isku_lock);
|
||
|
|
|
||
|
|
retval = isku_get_actual_profile(usb_dev);
|
||
|
|
if (retval < 0)
|
||
|
|
return retval;
|
||
|
|
isku_profile_activated(isku, retval);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int isku_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 isku_device *isku;
|
||
|
|
int retval;
|
||
|
|
|
||
|
|
if (intf->cur_altsetting->desc.bInterfaceProtocol
|
||
|
|
!= ISKU_USB_INTERFACE_PROTOCOL) {
|
||
|
|
hid_set_drvdata(hdev, NULL);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
isku = kzalloc(sizeof(*isku), GFP_KERNEL);
|
||
|
|
if (!isku) {
|
||
|
|
hid_err(hdev, "can't alloc device descriptor\n");
|
||
|
|
return -ENOMEM;
|
||
|
|
}
|
||
|
|
hid_set_drvdata(hdev, isku);
|
||
|
|
|
||
|
|
retval = isku_init_isku_device_struct(usb_dev, isku);
|
||
|
|
if (retval) {
|
||
|
|
hid_err(hdev, "couldn't init struct isku_device\n");
|
||
|
|
goto exit_free;
|
||
|
|
}
|
||
|
|
|
||
|
|
retval = roccat_connect(isku_class, hdev,
|
||
|
|
sizeof(struct isku_roccat_report));
|
||
|
|
if (retval < 0) {
|
||
|
|
hid_err(hdev, "couldn't init char dev\n");
|
||
|
|
} else {
|
||
|
|
isku->chrdev_minor = retval;
|
||
|
|
isku->roccat_claimed = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
exit_free:
|
||
|
|
kfree(isku);
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void isku_remove_specials(struct hid_device *hdev)
|
||
|
|
{
|
||
|
|
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
|
||
|
|
struct isku_device *isku;
|
||
|
|
|
||
|
|
if (intf->cur_altsetting->desc.bInterfaceProtocol
|
||
|
|
!= ISKU_USB_INTERFACE_PROTOCOL)
|
||
|
|
return;
|
||
|
|
|
||
|
|
isku = hid_get_drvdata(hdev);
|
||
|
|
if (isku->roccat_claimed)
|
||
|
|
roccat_disconnect(isku->chrdev_minor);
|
||
|
|
kfree(isku);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int isku_probe(struct hid_device *hdev,
|
||
|
|
const struct hid_device_id *id)
|
||
|
|
{
|
||
|
|
int retval;
|
||
|
|
|
||
|
|
if (!hid_is_usb(hdev))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
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 = isku_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;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void isku_remove(struct hid_device *hdev)
|
||
|
|
{
|
||
|
|
isku_remove_specials(hdev);
|
||
|
|
hid_hw_stop(hdev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void isku_keep_values_up_to_date(struct isku_device *isku,
|
||
|
|
u8 const *data)
|
||
|
|
{
|
||
|
|
struct isku_report_button const *button_report;
|
||
|
|
|
||
|
|
switch (data[0]) {
|
||
|
|
case ISKU_REPORT_NUMBER_BUTTON:
|
||
|
|
button_report = (struct isku_report_button const *)data;
|
||
|
|
switch (button_report->event) {
|
||
|
|
case ISKU_REPORT_BUTTON_EVENT_PROFILE:
|
||
|
|
isku_profile_activated(isku, button_report->data1 - 1);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void isku_report_to_chrdev(struct isku_device const *isku,
|
||
|
|
u8 const *data)
|
||
|
|
{
|
||
|
|
struct isku_roccat_report roccat_report;
|
||
|
|
struct isku_report_button const *button_report;
|
||
|
|
|
||
|
|
if (data[0] != ISKU_REPORT_NUMBER_BUTTON)
|
||
|
|
return;
|
||
|
|
|
||
|
|
button_report = (struct isku_report_button const *)data;
|
||
|
|
|
||
|
|
roccat_report.event = button_report->event;
|
||
|
|
roccat_report.data1 = button_report->data1;
|
||
|
|
roccat_report.data2 = button_report->data2;
|
||
|
|
roccat_report.profile = isku->actual_profile + 1;
|
||
|
|
roccat_report_event(isku->chrdev_minor,
|
||
|
|
(uint8_t const *)&roccat_report);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int isku_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 isku_device *isku = hid_get_drvdata(hdev);
|
||
|
|
|
||
|
|
if (intf->cur_altsetting->desc.bInterfaceProtocol
|
||
|
|
!= ISKU_USB_INTERFACE_PROTOCOL)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
if (isku == NULL)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
isku_keep_values_up_to_date(isku, data);
|
||
|
|
|
||
|
|
if (isku->roccat_claimed)
|
||
|
|
isku_report_to_chrdev(isku, data);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct hid_device_id isku_devices[] = {
|
||
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
|
||
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
|
||
|
|
MODULE_DEVICE_TABLE(hid, isku_devices);
|
||
|
|
|
||
|
|
static struct hid_driver isku_driver = {
|
||
|
|
.name = "isku",
|
||
|
|
.id_table = isku_devices,
|
||
|
|
.probe = isku_probe,
|
||
|
|
.remove = isku_remove,
|
||
|
|
.raw_event = isku_raw_event
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init isku_init(void)
|
||
|
|
{
|
||
|
|
int retval;
|
||
|
|
isku_class = class_create(THIS_MODULE, "isku");
|
||
|
|
if (IS_ERR(isku_class))
|
||
|
|
return PTR_ERR(isku_class);
|
||
|
|
isku_class->dev_groups = isku_groups;
|
||
|
|
|
||
|
|
retval = hid_register_driver(&isku_driver);
|
||
|
|
if (retval)
|
||
|
|
class_destroy(isku_class);
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit isku_exit(void)
|
||
|
|
{
|
||
|
|
hid_unregister_driver(&isku_driver);
|
||
|
|
class_destroy(isku_class);
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(isku_init);
|
||
|
|
module_exit(isku_exit);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Stefan Achatz");
|
||
|
|
MODULE_DESCRIPTION("USB Roccat Isku/FX driver");
|
||
|
|
MODULE_LICENSE("GPL v2");
|