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synaptics.h
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/*
* 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
extern int synaptics_detect(struct psmouse *psmouse, int set_properties);
extern int synaptics_init(struct psmouse *psmouse);
extern void synaptics_reset(struct psmouse *psmouse);
/* 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
/* synatics modes */
#define SYN_BIT_ABSOLUTE_MODE (1 << 7)
#define SYN_BIT_HIGH_RATE (1 << 6)
#define SYN_BIT_SLEEP_MODE (1 << 3)
#define SYN_BIT_DISABLE_GESTURE (1 << 2)
#define SYN_BIT_FOUR_BYTE_CLIENT (1 << 1)
#define SYN_BIT_W_MODE (1 << 0)
/* synaptics model ID bits */
#define SYN_MODEL_ROT180(m) ((m) & (1 << 23))
#define SYN_MODEL_PORTRAIT(m) ((m) & (1 << 22))
#define SYN_MODEL_SENSOR(m) (((m) >> 16) & 0x3f)
#define SYN_MODEL_HARDWARE(m) (((m) >> 9) & 0x7f)
#define SYN_MODEL_NEWABS(m) ((m) & (1 << 7))
#define SYN_MODEL_PEN(m) ((m) & (1 << 6))
#define SYN_MODEL_SIMPLIC(m) ((m) & (1 << 5))
#define SYN_MODEL_GEOMETRY(m) ((m) & 0x0f)
/* synaptics capability bits */
#define SYN_CAP_EXTENDED(c) ((c) & (1 << 23))
#define SYN_CAP_MIDDLE_BUTTON(c) ((c) & (1 << 18))
#define SYN_CAP_PASS_THROUGH(c) ((c) & (1 << 7))
#define SYN_CAP_SLEEP(c) ((c) & (1 << 4))
#define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3))
#define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1))
#define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0))
#define SYN_CAP_VALID(c) ((((c) & 0x00ff00) >> 8) == 0x47)
#define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20)
#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12)
/* synaptics modes query bits */
#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))
#define SYN_MODE_RATE(m) ((m) & (1 << 6))
#define SYN_MODE_BAUD_SLEEP(m) ((m) & (1 << 3))
#define SYN_MODE_DISABLE_GESTURE(m) ((m) & (1 << 2))
#define SYN_MODE_PACKSIZE(m) ((m) & (1 << 1))
#define SYN_MODE_WMODE(m) ((m) & (1 << 0))
/* synaptics identify query bits */
#define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f)
#define SYN_ID_MAJOR(i) ((i) & 0x0f)
#define SYN_ID_MINOR(i) (((i) >> 16) & 0xff)
#define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47)
/* synaptics special commands */
#define SYN_PS_SET_MODE2 0x14
#define SYN_PS_CLIENT_CMD 0x28
/* synaptics packet types */
#define SYN_NEWABS 0
#define SYN_NEWABS_STRICT 1
#define SYN_NEWABS_RELAXED 2
#define SYN_OLDABS 3
/*
* A structure to describe the state of the touchpad hardware (buttons and pad)
*/
struct synaptics_hw_state {
int x;
int y;
int z;
int w;
unsigned int left:1;
unsigned int right:1;
unsigned int middle:1;
unsigned int up:1;
unsigned int down:1;
unsigned char ext_buttons;
signed char scroll;
};
struct synaptics_data {
/* Data read from the touchpad */
unsigned long int model_id; /* Model-ID */
unsigned long int capabilities; /* Capabilities */
unsigned long int ext_cap; /* Extended Capabilities */
unsigned long int identity; /* Identification */
unsigned char pkt_type; /* packet type - old, new, etc */
unsigned char mode; /* current mode byte */
int scroll;
};
#endif /* _SYNAPTICS_H */