drivers/input/mouse/alps.h

   1 /*
   2  * ALPS touchpad PS/2 mouse driver
   3  *
   4  * Copyright (c) 2003 Peter Osterlund <petero2@telia.com>
   5  * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published by
   9  * the Free Software Foundation.
  10  */
  11
  12 #ifndef _ALPS_H
  13 #define _ALPS_H
  14
  15 struct alps_model_info {
  16         unsigned char signature[3];
  17         unsigned char byte0, mask0;
  18         unsigned char flags;
  19 };
  20
  21 struct alps_data {
  22         struct input_dev *dev2;         /* Relative device */
  23         char phys[32];                  /* Phys */
  24         const struct alps_model_info *i;/* Info */
  25         int prev_fin;                   /* Finger bit from previous packet */
  26 };
  27
  28 #ifdef CONFIG_MOUSE_PS2_ALPS
  29 int alps_detect(struct psmouse *psmouse, bool set_properties);
  30 int alps_init(struct psmouse *psmouse);
  31 #else
  32 inline int alps_detect(struct psmouse *psmouse, bool set_properties)
  33 {
  34         return -ENOSYS;
  35 }
  36 inline int alps_init(struct psmouse *psmouse)
  37 {
  38         return -ENOSYS;
  39 }
  40 #endif /* CONFIG_MOUSE_PS2_ALPS */
  41
  42 #endif