LXR linux/drivers/hid/hid-roccat-common.h

   1#ifndef __HID_ROCCAT_COMMON_H
   2#define __HID_ROCCAT_COMMON_H
   3
   4/*
   5 * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net>
   6 */
   7
   8/*
   9 * This program is free software; you can redistribute it and/or modify it
  10 * under the terms of the GNU General Public License as published by the Free
  11 * Software Foundation; either version 2 of the License, or (at your option)
  12 * any later version.
  13 */
  14
  15#include <linux/usb.h>
  16#include <linux/types.h>
  17
  18enum roccat_common2_commands {
  19        ROCCAT_COMMON_COMMAND_CONTROL = 0x4,
  20};
  21
  22struct roccat_common2_control {
  23        uint8_t command;
  24        uint8_t value;
  25        uint8_t request; /* always 0 on requesting write check */
  26} __packed;
  27
  28int roccat_common2_receive(struct usb_device *usb_dev, uint report_id,
  29                void *data, uint size);
  30int roccat_common2_send(struct usb_device *usb_dev, uint report_id,
  31                void const *data, uint size);
  32int roccat_common2_send_with_status(struct usb_device *usb_dev,
  33                uint command, void const *buf, uint size);
  34
  35struct roccat_common2_device {
  36        int roccat_claimed;
  37        int chrdev_minor;
  38        struct mutex lock;
  39};
  40
  41int roccat_common2_device_init_struct(struct usb_device *usb_dev,
  42                struct roccat_common2_device *dev);
  43ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj,
  44                char *buf, loff_t off, size_t count,
  45                size_t real_size, uint command);
  46ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj,
  47                void const *buf, loff_t off, size_t count,
  48                size_t real_size, uint command);
  49
  50#define ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \
  51static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \
  52                struct kobject *kobj, struct bin_attribute *attr, char *buf, \
  53                loff_t off, size_t count) \
  54{ \
  55        return roccat_common2_sysfs_write(fp, kobj, buf, off, count, \
  56                        SIZE, COMMAND); \
  57}
  58
  59#define ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) \
  60static ssize_t roccat_common2_sysfs_read_ ## thingy(struct file *fp, \
  61                struct kobject *kobj, struct bin_attribute *attr, char *buf, \
  62                loff_t off, size_t count) \
  63{ \
  64        return roccat_common2_sysfs_read(fp, kobj, buf, off, count, \
  65                        SIZE, COMMAND); \
  66}
  67
  68#define ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE) \
  69ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \
  70ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE)
  71
  72#define ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(thingy, COMMAND, SIZE) \
  73ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE); \
  74static struct bin_attribute bin_attr_ ## thingy = { \
  75        .attr = { .name = #thingy, .mode = 0660 }, \
  76        .size = SIZE, \
  77        .read = roccat_common2_sysfs_read_ ## thingy, \
  78        .write = roccat_common2_sysfs_write_ ## thingy \
  79}
  80
  81#define ROCCAT_COMMON2_BIN_ATTRIBUTE_R(thingy, COMMAND, SIZE) \
  82ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE); \
  83static struct bin_attribute bin_attr_ ## thingy = { \
  84        .attr = { .name = #thingy, .mode = 0440 }, \
  85        .size = SIZE, \
  86        .read = roccat_common2_sysfs_read_ ## thingy, \
  87}
  88
  89#define ROCCAT_COMMON2_BIN_ATTRIBUTE_W(thingy, COMMAND, SIZE) \
  90ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE); \
  91static struct bin_attribute bin_attr_ ## thingy = { \
  92        .attr = { .name = #thingy, .mode = 0220 }, \
  93        .size = SIZE, \
  94        .write = roccat_common2_sysfs_write_ ## thingy \
  95}
  96
  97#endif
  98