Release 4.11 drivers/input/mouse/trackpoint.h
/*
* IBM TrackPoint PS/2 mouse driver
*
* Stephen Evanchik <evanchsa@gmail.com>
*
* 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 _TRACKPOINT_H
#define _TRACKPOINT_H
/*
* These constants are from the TrackPoint System
* Engineering documentation Version 4 from IBM Watson
* research:
* http://wwwcssrv.almaden.ibm.com/trackpoint/download.html
*/
#define TP_COMMAND 0xE2
/* Commands start with this */
#define TP_READ_ID 0xE1
/* Sent for device identification */
#define TP_MAGIC_IDENT 0x01
/* Sent after a TP_READ_ID followed */
/* by the firmware ID */
/*
* Commands
*/
#define TP_RECALIB 0x51
/* Recalibrate */
#define TP_POWER_DOWN 0x44
/* Can only be undone through HW reset */
#define TP_EXT_DEV 0x21
/* Determines if external device is connected (RO) */
#define TP_EXT_BTN 0x4B
/* Read extended button status */
#define TP_POR 0x7F
/* Execute Power on Reset */
#define TP_POR_RESULTS 0x25
/* Read Power on Self test results */
#define TP_DISABLE_EXT 0x40
/* Disable external pointing device */
#define TP_ENABLE_EXT 0x41
/* Enable external pointing device */
/*
* Mode manipulation
*/
#define TP_SET_SOFT_TRANS 0x4E
/* Set mode */
#define TP_CANCEL_SOFT_TRANS 0xB9
/* Cancel mode */
#define TP_SET_HARD_TRANS 0x45
/* Mode can only be set */
/*
* Register oriented commands/properties
*/
#define TP_WRITE_MEM 0x81
#define TP_READ_MEM 0x80
/* Not used in this implementation */
/*
* RAM Locations for properties
*/
#define TP_SENS 0x4A
/* Sensitivity */
#define TP_MB 0x4C
/* Read Middle Button Status (RO) */
#define TP_INERTIA 0x4D
/* Negative Inertia */
#define TP_SPEED 0x60
/* Speed of TP Cursor */
#define TP_REACH 0x57
/* Backup for Z-axis press */
#define TP_DRAGHYS 0x58
/* Drag Hysteresis */
/* (how hard it is to drag */
/* with Z-axis pressed) */
#define TP_MINDRAG 0x59
/* Minimum amount of force needed */
/* to trigger dragging */
#define TP_THRESH 0x5C
/* Minimum value for a Z-axis press */
#define TP_UP_THRESH 0x5A
/* Used to generate a 'click' on Z-axis */
#define TP_Z_TIME 0x5E
/* How sharp of a press */
#define TP_JENKS_CURV 0x5D
/* Minimum curvature for double click */
#define TP_DRIFT_TIME 0x5F
/* How long a 'hands off' condition */
/* must last (x*107ms) for drift */
/* correction to occur */
/*
* Toggling Flag bits
*/
#define TP_TOGGLE 0x47
/* Toggle command */
#define TP_TOGGLE_MB 0x23
/* Disable/Enable Middle Button */
#define TP_MASK_MB 0x01
#define TP_TOGGLE_EXT_DEV 0x23
/* Disable external device */
#define TP_MASK_EXT_DEV 0x02
#define TP_TOGGLE_DRIFT 0x23
/* Drift Correction */
#define TP_MASK_DRIFT 0x80
#define TP_TOGGLE_BURST 0x28
/* Burst Mode */
#define TP_MASK_BURST 0x80
#define TP_TOGGLE_PTSON 0x2C
/* Press to Select */
#define TP_MASK_PTSON 0x01
#define TP_TOGGLE_HARD_TRANS 0x2C
/* Alternate method to set Hard Transparency */
#define TP_MASK_HARD_TRANS 0x80
#define TP_TOGGLE_TWOHAND 0x2D
/* Two handed */
#define TP_MASK_TWOHAND 0x01
#define TP_TOGGLE_STICKY_TWO 0x2D
/* Sticky two handed */
#define TP_MASK_STICKY_TWO 0x04
#define TP_TOGGLE_SKIPBACK 0x2D
/* Suppress movement after drag release */
#define TP_MASK_SKIPBACK 0x08
#define TP_TOGGLE_SOURCE_TAG 0x20
/* Bit 3 of the first packet will be set to
to the origin of the packet (external or TP) */
#define TP_MASK_SOURCE_TAG 0x80
#define TP_TOGGLE_EXT_TAG 0x22
/* Bit 3 of the first packet coming from the
external device will be forced to 1 */
#define TP_MASK_EXT_TAG 0x04
/* Power on Self Test Results */
#define TP_POR_SUCCESS 0x3B
/*
* Default power on values
*/
#define TP_DEF_SENS 0x80
#define TP_DEF_INERTIA 0x06
#define TP_DEF_SPEED 0x61
#define TP_DEF_REACH 0x0A
#define TP_DEF_DRAGHYS 0xFF
#define TP_DEF_MINDRAG 0x14
#define TP_DEF_THRESH 0x08
#define TP_DEF_UP_THRESH 0xFF
#define TP_DEF_Z_TIME 0x26
#define TP_DEF_JENKS_CURV 0x87
#define TP_DEF_DRIFT_TIME 0x05
/* Toggles */
#define TP_DEF_MB 0x00
#define TP_DEF_PTSON 0x00
#define TP_DEF_SKIPBACK 0x00
#define TP_DEF_EXT_DEV 0x00
/* 0 means enabled */
#define TP_DEF_TWOHAND 0x00
#define TP_DEF_SOURCE_TAG 0x00
#define MAKE_PS2_CMD(params, results, cmd) ((params<<12) | (results<<8) | (cmd))
struct trackpoint_data
{
unsigned char sensitivity, speed, inertia, reach;
unsigned char draghys, mindrag;
unsigned char thresh, upthresh;
unsigned char ztime, jenks;
unsigned char drift_time;
/* toggles */
unsigned char press_to_select;
unsigned char skipback;
unsigned char ext_dev;
};
#ifdef CONFIG_MOUSE_PS2_TRACKPOINT
int trackpoint_detect(struct psmouse *psmouse, bool set_properties);
#else
inline int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
{
return -ENOSYS;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andres Salomon | 17 | 94.44% | 1 | 50.00% |
| Dmitry Torokhov | 1 | 5.56% | 1 | 50.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
#endif /* CONFIG_MOUSE_PS2_TRACKPOINT */
#endif /* _TRACKPOINT_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stephen Evanchik | 386 | 87.73% | 1 | 16.67% |
| Andres Salomon | 25 | 5.68% | 1 | 16.67% |
| haarp | 15 | 3.41% | 1 | 16.67% |
| Shawn Nematbakhsh | 9 | 2.05% | 1 | 16.67% |
| Dmitry Torokhov | 5 | 1.14% | 2 | 33.33% |
| Total | 440 | 100.00% | 6 | 100.00% |
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