LXR linux/include/linux/hiddev.h

   1/*
   2 *  Copyright (c) 1999-2000 Vojtech Pavlik
   3 *
   4 *  Sponsored by SuSE
   5 */
   6/*
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation; either version 2 of the License, or 
  10 * (at your option) any later version.
  11 * 
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 * 
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program; if not, write to the Free Software
  19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20 * 
  21 * Should you need to contact me, the author, you can do so either by
  22 * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
  23 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
  24 */
  25#ifndef _HIDDEV_H
  26#define _HIDDEV_H
  27
  28#include <uapi/linux/hiddev.h>
  29
  30
  31/*
  32 * In-kernel definitions.
  33 */
  34
  35struct hiddev {
  36        int minor;
  37        int exist;
  38        int open;
  39        struct mutex existancelock;
  40        wait_queue_head_t wait;
  41        struct hid_device *hid;
  42        struct list_head list;
  43        spinlock_t list_lock;
  44        bool initialized;
  45};
  46
  47struct hid_device;
  48struct hid_usage;
  49struct hid_field;
  50struct hid_report;
  51
  52#ifdef CONFIG_USB_HIDDEV
  53int hiddev_connect(struct hid_device *hid, unsigned int force);
  54void hiddev_disconnect(struct hid_device *);
  55void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
  56                      struct hid_usage *usage, __s32 value);
  57void hiddev_report_event(struct hid_device *hid, struct hid_report *report);
  58#else
  59static inline int hiddev_connect(struct hid_device *hid,
  60                unsigned int force)
  61{ return -1; }
  62static inline void hiddev_disconnect(struct hid_device *hid) { }
  63static inline void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
  64                      struct hid_usage *usage, __s32 value) { }
  65static inline void hiddev_report_event(struct hid_device *hid, struct hid_report *report) { }
  66#endif
  67
  68#endif
  69