linux-imx

/*

 * Synaptics TouchPad PS/2 mouse driver

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 as published by

 * the Free Software Foundation.

 */

​

#ifndef _SYNAPTICS_H

#define _SYNAPTICS_H

​

/* synaptics queries */

#define SYN_QUE_IDENTIFY        0x00

#define SYN_QUE_MODES           0x01

#define SYN_QUE_CAPABILITIES        0x02

#define SYN_QUE_MODEL           0x03

#define SYN_QUE_SERIAL_NUMBER_PREFIX    0x06

#define SYN_QUE_SERIAL_NUMBER_SUFFIX    0x07

#define SYN_QUE_RESOLUTION      0x08

#define SYN_QUE_EXT_CAPAB       0x09

#define SYN_QUE_FIRMWARE_ID     0x0a

#define SYN_QUE_EXT_CAPAB_0C        0x0c

#define SYN_QUE_EXT_MAX_COORDS      0x0d

#define SYN_QUE_EXT_MIN_COORDS      0x0f

#define SYN_QUE_MEXT_CAPAB_10       0x10

​

/* synatics modes */

#define SYN_BIT_ABSOLUTE_MODE       BIT(7)

#define SYN_BIT_HIGH_RATE       BIT(6)

#define SYN_BIT_SLEEP_MODE      BIT(3)

#define SYN_BIT_DISABLE_GESTURE     BIT(2)

#define SYN_BIT_FOUR_BYTE_CLIENT    BIT(1)

#define SYN_BIT_W_MODE          BIT(0)

​

/* synaptics model ID bits */

#define SYN_MODEL_ROT180(m)     ((m) & BIT(23))

#define SYN_MODEL_PORTRAIT(m)       ((m) & BIT(22))

#define SYN_MODEL_SENSOR(m)     (((m) & GENMASK(21, 16)) >> 16)

#define SYN_MODEL_HARDWARE(m)       (((m) & GENMASK(15, 9)) >> 9)

#define SYN_MODEL_NEWABS(m)     ((m) & BIT(7))

#define SYN_MODEL_PEN(m)        ((m) & BIT(6))

#define SYN_MODEL_SIMPLIC(m)        ((m) & BIT(5))

#define SYN_MODEL_GEOMETRY(m)       ((m) & GENMASK(3, 0))

​

/* synaptics capability bits */

#define SYN_CAP_EXTENDED(c)     ((c) & BIT(23))

#define SYN_CAP_MIDDLE_BUTTON(c)    ((c) & BIT(18))

#define SYN_CAP_PASS_THROUGH(c)     ((c) & BIT(7))

#define SYN_CAP_SLEEP(c)        ((c) & BIT(4))

#define SYN_CAP_FOUR_BUTTON(c)      ((c) & BIT(3))

#define SYN_CAP_MULTIFINGER(c)      ((c) & BIT(1))

#define SYN_CAP_PALMDETECT(c)       ((c) & BIT(0))

#define SYN_CAP_SUBMODEL_ID(c)      (((c) & GENMASK(15, 8)) >> 8)

#define SYN_EXT_CAP_REQUESTS(c)     (((c) & GENMASK(22, 20)) >> 20)

#define SYN_CAP_MB_MASK         GENMASK(15, 12)

#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & SYN_CAP_MB_MASK) >> 12)

#define SYN_CAP_PRODUCT_ID(ec)      (((ec) & GENMASK(23, 16)) >> 16)

#define SYN_MEXT_CAP_BIT(m)     ((m) & BIT(1))

​

/*

 * The following describes response for the 0x0c query.

 *

 * byte mask    name            meaning

 * ---- ----    -------         ------------

 * 1    0x01    adjustable threshold    capacitive button sensitivity

 *                  can be adjusted

 * 1    0x02    report max      query 0x0d gives max coord reported

 * 1    0x04    clearpad        sensor is ClearPad product

 * 1    0x08    advanced gesture    not particularly meaningful

 * 1    0x10    clickpad bit 0      1-button ClickPad

 * 1    0x60    multifinger mode    identifies firmware finger counting

 *                  (not reporting!) algorithm.

 *                  Not particularly meaningful

 * 1    0x80    covered pad     W clipped to 14, 15 == pad mostly covered

 * 2    0x01    clickpad bit 1      2-button ClickPad

 * 2    0x02    deluxe LED controls touchpad support LED commands

 *                  ala multimedia control bar

 * 2    0x04    reduced filtering   firmware does less filtering on

 *                  position data, driver should watch

 *                  for noise.

 * 2    0x08    image sensor        image sensor tracks 5 fingers, but only

 *                  reports 2.

 * 2    0x01    uniform clickpad    whole clickpad moves instead of being

 *                  hinged at the top.

 * 2    0x20    report min      query 0x0f gives min coord reported

 */

#define SYN_CAP_CLICKPAD(ex0c)      ((ex0c) & BIT(20)) /* 1-button ClickPad */

#define SYN_CAP_CLICKPAD2BTN(ex0c)  ((ex0c) & BIT(8))  /* 2-button ClickPad */

#define SYN_CAP_MAX_DIMENSIONS(ex0c)    ((ex0c) & BIT(17))

#define SYN_CAP_MIN_DIMENSIONS(ex0c)    ((ex0c) & BIT(13))

#define SYN_CAP_ADV_GESTURE(ex0c)   ((ex0c) & BIT(19))

#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & BIT(10))