LXR linux/drivers/input/mouse/synaptics.h

   1/*
   2 * Synaptics TouchPad PS/2 mouse driver
   3 *
   4 * This program is free software; you can redistribute it and/or modify it
   5 * under the terms of the GNU General Public License version 2 as published by
   6 * the Free Software Foundation.
   7 */
   8
   9#ifndef _SYNAPTICS_H
  10#define _SYNAPTICS_H
  11
  12/* synaptics queries */
  13#define SYN_QUE_IDENTIFY                0x00
  14#define SYN_QUE_MODES                   0x01
  15#define SYN_QUE_CAPABILITIES            0x02
  16#define SYN_QUE_MODEL                   0x03
  17#define SYN_QUE_SERIAL_NUMBER_PREFIX    0x06
  18#define SYN_QUE_SERIAL_NUMBER_SUFFIX    0x07
  19#define SYN_QUE_RESOLUTION              0x08
  20#define SYN_QUE_EXT_CAPAB               0x09
  21
  22/* synatics modes */
  23#define SYN_BIT_ABSOLUTE_MODE           (1 << 7)
  24#define SYN_BIT_HIGH_RATE               (1 << 6)
  25#define SYN_BIT_SLEEP_MODE              (1 << 3)
  26#define SYN_BIT_DISABLE_GESTURE         (1 << 2)
  27#define SYN_BIT_FOUR_BYTE_CLIENT        (1 << 1)
  28#define SYN_BIT_W_MODE                  (1 << 0)
  29
  30/* synaptics model ID bits */
  31#define SYN_MODEL_ROT180(m)             ((m) & (1 << 23))
  32#define SYN_MODEL_PORTRAIT(m)           ((m) & (1 << 22))
  33#define SYN_MODEL_SENSOR(m)             (((m) >> 16) & 0x3f)
  34#define SYN_MODEL_HARDWARE(m)           (((m) >> 9) & 0x7f)
  35#define SYN_MODEL_NEWABS(m)             ((m) & (1 << 7))
  36#define SYN_MODEL_PEN(m)                ((m) & (1 << 6))
  37#define SYN_MODEL_SIMPLIC(m)            ((m) & (1 << 5))
  38#define SYN_MODEL_GEOMETRY(m)           ((m) & 0x0f)
  39
  40/* synaptics capability bits */
  41#define SYN_CAP_EXTENDED(c)             ((c) & (1 << 23))
  42#define SYN_CAP_MIDDLE_BUTTON(c)        ((c) & (1 << 18))
  43#define SYN_CAP_PASS_THROUGH(c)         ((c) & (1 << 7))
  44#define SYN_CAP_SLEEP(c)                ((c) & (1 << 4))
  45#define SYN_CAP_FOUR_BUTTON(c)          ((c) & (1 << 3))
  46#define SYN_CAP_MULTIFINGER(c)          ((c) & (1 << 1))
  47#define SYN_CAP_PALMDETECT(c)           ((c) & (1 << 0))
  48#define SYN_CAP_VALID(c)                ((((c) & 0x00ff00) >> 8) == 0x47)
  49#define SYN_EXT_CAP_REQUESTS(c)         (((c) & 0x700000) >> 20)
  50#define SYN_CAP_MULTI_BUTTON_NO(ec)     (((ec) & 0x00f000) >> 12)
  51
  52/* synaptics modes query bits */
  53#define SYN_MODE_ABSOLUTE(m)            ((m) & (1 << 7))
  54#define SYN_MODE_RATE(m)                ((m) & (1 << 6))
  55#define SYN_MODE_BAUD_SLEEP(m)          ((m) & (1 << 3))
  56#define SYN_MODE_DISABLE_GESTURE(m)     ((m) & (1 << 2))
  57#define SYN_MODE_PACKSIZE(m)            ((m) & (1 << 1))
  58#define SYN_MODE_WMODE(m)               ((m) & (1 << 0))
  59
  60/* synaptics identify query bits */
  61#define SYN_ID_MODEL(i)                 (((i) >> 4) & 0x0f)
  62#define SYN_ID_MAJOR(i)                 ((i) & 0x0f)
  63#define SYN_ID_MINOR(i)                 (((i) >> 16) & 0xff)
  64#define SYN_ID_IS_SYNAPTICS(i)          ((((i) >> 8) & 0xff) == 0x47)
  65
  66/* synaptics special commands */
  67#define SYN_PS_SET_MODE2                0x14
  68#define SYN_PS_CLIENT_CMD               0x28
  69
  70/* synaptics packet types */
  71#define SYN_NEWABS                      0
  72#define SYN_NEWABS_STRICT               1
  73#define SYN_NEWABS_RELAXED              2
  74#define SYN_OLDABS                      3
  75
  76/*
  77 * A structure to describe the state of the touchpad hardware (buttons and pad)
  78 */
  79
  80struct synaptics_hw_state {
  81        int x;
  82        int y;
  83        int z;
  84        int w;
  85        unsigned int left:1;
  86        unsigned int right:1;
  87        unsigned int middle:1;
  88        unsigned int up:1;
  89        unsigned int down:1;
  90        unsigned char ext_buttons;
  91        signed char scroll;
  92};
  93
  94struct synaptics_data {
  95        /* Data read from the touchpad */
  96        unsigned long int model_id;             /* Model-ID */
  97        unsigned long int capabilities;         /* Capabilities */
  98        unsigned long int ext_cap;              /* Extended Capabilities */
  99        unsigned long int identity;             /* Identification */
 100        int x_res;                              /* X resolution in units/mm */
 101        int y_res;                              /* Y resolution in units/mm */
 102
 103        unsigned char pkt_type;                 /* packet type - old, new, etc */
 104        unsigned char mode;                     /* current mode byte */
 105        int scroll;
 106};
 107
 108int synaptics_detect(struct psmouse *psmouse, bool set_properties);
 109int synaptics_init(struct psmouse *psmouse);
 110void synaptics_reset(struct psmouse *psmouse);
 111
 112#endif /* _SYNAPTICS_H */
 113