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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Roccat Ryos driver for Linux
*
* Copyright (c) 2013 Stefan Achatz <erazor_de@users.sourceforge.net>
*/
/*
*/
#include <linux/types.h>
#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"
enum {
RYOS_REPORT_NUMBER_SPECIAL = 3,
RYOS_USB_INTERFACE_PROTOCOL = 0,
};
struct ryos_report_special {
uint8_t number; /* RYOS_REPORT_NUMBER_SPECIAL */
uint8_t data[4];
} __packed;
static struct class *ryos_class;
ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile, 0x05, 0x03);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_primary, 0x06, 0x7d);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_function, 0x07, 0x5f);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_macro, 0x08, 0x23);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_thumbster, 0x09, 0x17);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_extra, 0x0a, 0x08);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_easyzone, 0x0b, 0x126);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(key_mask, 0x0c, 0x06);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light, 0x0d, 0x10);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(macro, 0x0e, 0x7d2);
ROCCAT_COMMON2_BIN_ATTRIBUTE_R(info, 0x0f, 0x08);
ROCCAT_COMMON2_BIN_ATTRIBUTE_W(reset, 0x11, 0x03);
ROCCAT_COMMON2_BIN_ATTRIBUTE_W(light_control, 0x13, 0x08);
ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x16, 0x10);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(stored_lights, 0x17, 0x0566);
ROCCAT_COMMON2_BIN_ATTRIBUTE_W(custom_lights, 0x18, 0x14);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light_macro, 0x19, 0x07d2);
static struct bin_attribute *ryos_bin_attrs[] = {
&bin_attr_control,
&bin_attr_profile,
&bin_attr_keys_primary,
&bin_attr_keys_function,
&bin_attr_keys_macro,
&bin_attr_keys_thumbster,
&bin_attr_keys_extra,
&bin_attr_keys_easyzone,
&bin_attr_key_mask,
&bin_attr_light,
&bin_attr_macro,
&bin_attr_info,
&bin_attr_reset,
&bin_attr_light_control,
&bin_attr_talk,
&bin_attr_stored_lights,
&bin_attr_custom_lights,
&bin_attr_light_macro,
NULL,
};
static const struct attribute_group ryos_group = {
.bin_attrs = ryos_bin_attrs,
};
static const struct attribute_group *ryos_groups[] = {
&ryos_group,
NULL,
};
static int ryos_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 roccat_common2_device *ryos;
int retval;
if (intf->cur_altsetting->desc.bInterfaceProtocol
!= RYOS_USB_INTERFACE_PROTOCOL) {
hid_set_drvdata(hdev, NULL);
return 0;
}
ryos = kzalloc(sizeof(*ryos), GFP_KERNEL);
if (!ryos) {
hid_err(hdev, "can't alloc device descriptor\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, ryos);
retval = roccat_common2_device_init_struct(usb_dev, ryos);
if (retval) {
hid_err(hdev, "couldn't init Ryos device\n");
goto exit_free;
}
retval = roccat_connect(ryos_class, hdev,
sizeof(struct ryos_report_special));
if (retval < 0) {
hid_err(hdev, "couldn't init char dev\n");
} else {
ryos->chrdev_minor = retval;
ryos->roccat_claimed = 1;
}
return 0;
exit_free:
kfree(ryos);
return retval;
}
static void ryos_remove_specials(struct hid_device *hdev)
{
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
struct roccat_common2_device *ryos;
if (intf->cur_altsetting->desc.bInterfaceProtocol
!= RYOS_USB_INTERFACE_PROTOCOL)
return;
ryos = hid_get_drvdata(hdev);
if (ryos->roccat_claimed)
roccat_disconnect(ryos->chrdev_minor);
kfree(ryos);
}
static int ryos_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 = ryos_init_specials(hdev);
if (retval) {
hid_err(hdev, "couldn't install mouse\n");
goto exit_stop;
}
return 0;
exit_stop:
hid_hw_stop(hdev);
exit:
return retval;
}
static void ryos_remove(struct hid_device *hdev)
{
ryos_remove_specials(hdev);
hid_hw_stop(hdev);
}
static int ryos_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 roccat_common2_device *ryos = hid_get_drvdata(hdev);
if (intf->cur_altsetting->desc.bInterfaceProtocol
!= RYOS_USB_INTERFACE_PROTOCOL)
return 0;
if (data[0] != RYOS_REPORT_NUMBER_SPECIAL)
return 0;
if (ryos != NULL && ryos->roccat_claimed)
roccat_report_event(ryos->chrdev_minor, data);
return 0;
}
static const struct hid_device_id ryos_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
{ }
};
MODULE_DEVICE_TABLE(hid, ryos_devices);
static struct hid_driver ryos_driver = {
.name = "ryos",
.id_table = ryos_devices,
.probe = ryos_probe,
.remove = ryos_remove,
.raw_event = ryos_raw_event
};
static int __init ryos_init(void)
{
int retval;
ryos_class = class_create("ryos");
if (IS_ERR(ryos_class))
return PTR_ERR(ryos_class);
ryos_class->dev_groups = ryos_groups;
retval = hid_register_driver(&ryos_driver);
if (retval)
class_destroy(ryos_class);
return retval;
}
static void __exit ryos_exit(void)
{
hid_unregister_driver(&ryos_driver);
class_destroy(ryos_class);
}
module_init(ryos_init);
module_exit(ryos_exit);
MODULE_AUTHOR("Stefan Achatz");
MODULE_DESCRIPTION("USB Roccat Ryos MK/Glow/Pro driver");
MODULE_LICENSE("GPL v2");
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