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Release 4.10 drivers/hid/hid-roccat-ryos.c

Directory: drivers/hid
/*
 * Roccat Ryos driver for Linux
 *
 * Copyright (c) 2013 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.
 */

#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; }

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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); }

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static int ryos_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 = 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; }

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static void ryos_remove(struct hid_device *hdev) { ryos_remove_specials(hdev); hid_hw_stop(hdev); }

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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; }

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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(THIS_MODULE, "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; }

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static void __exit ryos_exit(void) { hid_unregister_driver(&ryos_driver); class_destroy(ryos_class); }

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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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Directory: drivers/hid
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