src/add-ons/kernel/bus_managers/ps2/ps2_synaptics.h

   1 /*
   2  * Copyright 2008-2010, Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Clemens Zeidler (haiku@Clemens-Zeidler.de)
   7  */
   8 #ifndef PS2_SYNAPTICS_H
   9 #define PS2_SYNAPTICS_H
  10
  11
  12 #include <KernelExport.h>
  13
  14 #include <touchpad_settings.h>
  15
  16 #include "movement_maker.h"
  17 #include "packet_buffer.h"
  18 #include "ps2_service.h"
  19
  20
  21 #define SYN_TOUCHPAD                    0x47
  22 // Synaptics modes
  23 #define SYN_ABSOLUTE_MODE               0x80
  24 // Absolute plus w mode
  25 #define SYN_ABSOLUTE_W_MODE             0x81
  26 #define SYN_FOUR_BYTE_CHILD             (1 << 1)
  27 // Low power sleep mode
  28 #define SYN_SLEEP_MODE                  0x0C
  29 // Synaptics Passthrough port
  30 #define SYN_CHANGE_MODE                 0x14
  31 #define SYN_PASSTHROUGH_CMD             0x28
  32
  33
  34 #define SYNAPTICS_HISTORY_SIZE  256
  35
  36 // no touchpad / left / right button pressed
  37 #define IS_SYN_PT_PACKAGE(val) ((val[0] & 0xFC) == 0x84 \
  38         && (val[3] & 0xCC) == 0xc4)
  39
  40
  41 typedef struct {
  42         uint8 majorVersion;
  43         uint8 minorVersion;
  44
  45         bool capExtended;
  46         bool capMiddleButton;
  47         bool capSleep;
  48         bool capFourButtons;
  49         bool capMultiFinger;
  50         bool capPalmDetection;
  51         bool capPassThrough;
  52 } touchpad_info;
  53
  54
  55 typedef struct {
  56         ps2_dev*                        dev;
  57
  58         sem_id                          synaptics_sem;
  59 struct packet_buffer*   synaptics_ring_buffer;
  60         size_t                          packet_index;
  61         uint8                           buffer[PS2_PACKET_SYNAPTICS];
  62         uint8                           mode;
  63
  64         TouchpadMovement        movementMaker;
  65
  66         touchpad_settings       settings;
  67 } synaptics_cookie;
  68
  69
  70 status_t synaptics_pass_through_set_packet_size(ps2_dev *dev, uint8 size);
  71 status_t passthrough_command(ps2_dev *dev, uint8 cmd, const uint8 *out,
  72         int out_count, uint8 *in, int in_count, bigtime_t timeout);
  73 status_t probe_synaptics(ps2_dev *dev);
  74
  75 status_t synaptics_open(const char *name, uint32 flags, void **_cookie);
  76 status_t synaptics_close(void *_cookie);
  77 status_t synaptics_freecookie(void *_cookie);
  78 status_t synaptics_ioctl(void *_cookie, uint32 op, void *buffer, size_t length);
  79
  80 int32 synaptics_handle_int(ps2_dev *dev);
  81 void synaptics_disconnect(ps2_dev *dev);
  82
  83 extern device_hooks gSynapticsDeviceHooks;
  84
  85 #endif  // PS2_SYNAPTICS_H