src/add-ons/kernel/bus_managers/ps2/ps2_alps.h

   1 /*
   2  * Copyright 2011, Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Clemens Zeidler (haiku@Clemens-Zeidler.de)
   7  */
   8 #ifndef ALPS_H
   9 #define ALPS_H
  10
  11 #include <KernelExport.h>
  12
  13 #include <touchpad_settings.h>
  14
  15 #include "movement_maker.h"
  16 #include "packet_buffer.h"
  17 #include "ps2_dev.h"
  18
  19
  20 typedef struct {
  21                         ps2_dev*                        dev;
  22
  23                         sem_id                          sem;
  24         struct  packet_buffer*          ring_buffer;
  25                         size_t                          packet_index;
  26                         uint8                           buffer[PS2_PACKET_ALPS];
  27                         uint8                           mode;
  28
  29                         uint8                           previousZ;
  30                         TouchpadMovement        movementMaker;
  31
  32                         touchpad_settings       settings;
  33 } alps_cookie;
  34
  35
  36 status_t probe_alps(ps2_dev *dev);
  37
  38 status_t alps_open(const char *name, uint32 flags, void **_cookie);
  39 status_t alps_close(void *_cookie);
  40 status_t alps_freecookie(void *_cookie);
  41 status_t alps_ioctl(void *_cookie, uint32 op, void *buffer, size_t length);
  42
  43 int32 alps_handle_int(ps2_dev *dev);
  44 void alps_disconnect(ps2_dev *dev);
  45
  46 extern device_hooks gALPSDeviceHooks;
  47
  48
  49 #endif /* ALPS_H */