1#ifndef _HIDRAW_H 2#define _HIDRAW_H 3 4/* 5 * Copyright (c) 2007 Jiri Kosina 6 */ 7 8/* 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms and conditions of the GNU General Public License, 11 * version 2, as published by the Free Software Foundation. 12 * 13 * You should have received a copy of the GNU General Public License along with 14 * this program; if not, write to the Free Software Foundation, Inc., 15 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 16 */ 17 18#include <linux/hid.h> 19#include <linux/types.h> 20 21struct hidraw_report_descriptor { 22 __u32 size; 23 __u8 value[HID_MAX_DESCRIPTOR_SIZE]; 24}; 25 26struct hidraw_devinfo { 27 __u32 bustype; 28 __s16 vendor; 29 __s16 product; 30}; 31 32/* ioctl interface */ 33#define HIDIOCGRDESCSIZE _IOR('H', 0x01, int) 34#define HIDIOCGRDESC _IOR('H', 0x02, struct hidraw_report_descriptor) 35#define HIDIOCGRAWINFO _IOR('H', 0x03, struct hidraw_devinfo) 36#define HIDIOCGRAWNAME(len) _IOC(_IOC_READ, 'H', 0x04, len) 37#define HIDIOCGRAWPHYS(len) _IOC(_IOC_READ, 'H', 0x05, len) 38 39#define HIDRAW_FIRST_MINOR 0 40#define HIDRAW_MAX_DEVICES 64 41/* number of reports to buffer */ 42#define HIDRAW_BUFFER_SIZE 64 43 44 45/* kernel-only API declarations */ 46#ifdef __KERNEL__ 47 48struct hidraw { 49 unsigned int minor; 50 int exist; 51 int open; 52 wait_queue_head_t wait; 53 struct hid_device *hid; 54 struct device *dev; 55 struct list_head list; 56}; 57 58struct hidraw_report { 59 __u8 *value; 60 int len; 61}; 62 63struct hidraw_list { 64 struct hidraw_report buffer[HIDRAW_BUFFER_SIZE]; 65 int head; 66 int tail; 67 struct fasync_struct *fasync; 68 struct hidraw *hidraw; 69 struct list_head node; 70 struct mutex read_mutex; 71}; 72 73#ifdef CONFIG_HIDRAW 74int hidraw_init(void); 75void hidraw_exit(void); 76void hidraw_report_event(struct hid_device *, u8 *, int); 77int hidraw_connect(struct hid_device *); 78void hidraw_disconnect(struct hid_device *); 79#else 80static inline int hidraw_init(void) { return 0; } 81static inline void hidraw_exit(void) { } 82static inline void hidraw_report_event(struct hid_device *hid, u8 *data, int len) { } 83static inline int hidraw_connect(struct hid_device *hid) { return -1; } 84static inline void hidraw_disconnect(struct hid_device *hid) { } 85#endif 86 87#endif 88 89#endif 90