95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef __HID_ROCCAT_COMMON_H
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#define __HID_ROCCAT_COMMON_H
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/*
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* Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net>
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*/
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/*
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*/
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#include <linux/usb.h>
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#include <linux/types.h>
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enum roccat_common2_commands {
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ROCCAT_COMMON_COMMAND_CONTROL = 0x4,
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};
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struct roccat_common2_control {
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uint8_t command;
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uint8_t value;
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uint8_t request; /* always 0 on requesting write check */
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} __packed;
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int roccat_common2_receive(struct usb_device *usb_dev, uint report_id,
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void *data, uint size);
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int roccat_common2_send(struct usb_device *usb_dev, uint report_id,
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void const *data, uint size);
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int roccat_common2_send_with_status(struct usb_device *usb_dev,
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uint command, void const *buf, uint size);
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struct roccat_common2_device {
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int roccat_claimed;
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int chrdev_minor;
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struct mutex lock;
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};
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int roccat_common2_device_init_struct(struct usb_device *usb_dev,
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struct roccat_common2_device *dev);
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ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj,
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char *buf, loff_t off, size_t count,
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size_t real_size, uint command);
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ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj,
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void const *buf, loff_t off, size_t count,
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size_t real_size, uint command);
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#define ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \
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static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \
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struct kobject *kobj, struct bin_attribute *attr, char *buf, \
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loff_t off, size_t count) \
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{ \
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return roccat_common2_sysfs_write(fp, kobj, buf, off, count, \
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SIZE, COMMAND); \
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}
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#define ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) \
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static ssize_t roccat_common2_sysfs_read_ ## thingy(struct file *fp, \
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struct kobject *kobj, struct bin_attribute *attr, char *buf, \
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loff_t off, size_t count) \
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{ \
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return roccat_common2_sysfs_read(fp, kobj, buf, off, count, \
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SIZE, COMMAND); \
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}
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#define ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE) \
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ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \
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ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE)
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#define ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(thingy, COMMAND, SIZE) \
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ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE); \
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static struct bin_attribute bin_attr_ ## thingy = { \
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.attr = { .name = #thingy, .mode = 0660 }, \
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.size = SIZE, \
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.read = roccat_common2_sysfs_read_ ## thingy, \
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.write = roccat_common2_sysfs_write_ ## thingy \
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}
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#define ROCCAT_COMMON2_BIN_ATTRIBUTE_R(thingy, COMMAND, SIZE) \
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ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE); \
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static struct bin_attribute bin_attr_ ## thingy = { \
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.attr = { .name = #thingy, .mode = 0440 }, \
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.size = SIZE, \
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.read = roccat_common2_sysfs_read_ ## thingy, \
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}
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#define ROCCAT_COMMON2_BIN_ATTRIBUTE_W(thingy, COMMAND, SIZE) \
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ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE); \
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static struct bin_attribute bin_attr_ ## thingy = { \
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.attr = { .name = #thingy, .mode = 0220 }, \
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.size = SIZE, \
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.write = roccat_common2_sysfs_write_ ## thingy \
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}
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#endif
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