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
  35 struct 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
  47 struct hid_device;
  48 struct hid_usage;
  49 struct hid_field;
  50 struct hid_report;
  51
  52 #ifdef CONFIG_USB_HIDDEV
  53 int hiddev_connect(struct hid_device *hid, unsigned int force);
  54 void hiddev_disconnect(struct hid_device *);
  55 void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
  56                       struct hid_usage *usage, __s32 value);
  57 void hiddev_report_event(struct hid_device *hid, struct hid_report *report);
  58 #else
  59 static inline int hiddev_connect(struct hid_device *hid,
  60                 unsigned int force)
  61 { return -1; }
  62 static inline void hiddev_disconnect(struct hid_device *hid) { }
  63 static inline void hiddev_hid_event(struct hid_device *hid, struct hid_field *field,
  64                       struct hid_usage *usage, __s32 value) { }
  65 static inline void hiddev_report_event(struct hid_device *hid, struct hid_report *report) { }
  66 #endif
  67
  68 #endif