forked from luck/tmp_suning_uos_patched
Input: psmouse - add support for IBM TrackPoint devices.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Stephen Evanchik
Dmitry Torokhov
parent
6fc32179de
commit
541e316aed
@ -15,4 +15,4 @@ obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o
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obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o
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obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o
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psmouse-objs := psmouse-base.o alps.o logips2pp.o synaptics.o lifebook.o
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psmouse-objs := psmouse-base.o alps.o logips2pp.o synaptics.o lifebook.o trackpoint.o
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@ -25,6 +25,7 @@
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#include "logips2pp.h"
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#include "alps.h"
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#include "lifebook.h"
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#include "trackpoint.h"
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#define DRIVER_DESC "PS/2 mouse driver"
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@ -519,6 +520,12 @@ static int psmouse_extensions(struct psmouse *psmouse,
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if (max_proto >= PSMOUSE_IMPS && intellimouse_detect(psmouse, set_properties) == 0)
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return PSMOUSE_IMPS;
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/*
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* Try to initialize the IBM TrackPoint
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*/
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if (max_proto > PSMOUSE_IMEX && trackpoint_detect(psmouse, set_properties) == 0)
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return PSMOUSE_TRACKPOINT;
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/*
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* Okay, all failed, we have a standard mouse here. The number of the buttons
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* is still a question, though. We assume 3.
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@ -599,6 +606,12 @@ static struct psmouse_protocol psmouse_protocols[] = {
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.alias = "lifebook",
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.init = lifebook_init,
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},
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{
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.type = PSMOUSE_TRACKPOINT,
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.name = "TPPS/2",
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.alias = "trackpoint",
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.detect = trackpoint_detect,
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},
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{
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.type = PSMOUSE_AUTO,
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.name = "auto",
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@ -1234,7 +1247,7 @@ static int psmouse_set_maxproto(const char *val, struct kernel_param *kp)
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*((unsigned int *)kp->arg) = proto->type;
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return 0; \
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return 0;
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}
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static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp)
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@ -78,6 +78,7 @@ enum psmouse_type {
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PSMOUSE_SYNAPTICS,
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PSMOUSE_ALPS,
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PSMOUSE_LIFEBOOK,
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PSMOUSE_TRACKPOINT,
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PSMOUSE_AUTO /* This one should always be last */
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};
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297
drivers/input/mouse/trackpoint.c
Normal file
297
drivers/input/mouse/trackpoint.c
Normal file
@ -0,0 +1,297 @@
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/*
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* Stephen Evanchik <evanchsa@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* Trademarks are the property of their respective owners.
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*/
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#include <linux/delay.h>
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#include <linux/serio.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/input.h>
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#include <linux/libps2.h>
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#include <linux/proc_fs.h>
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#include <asm/uaccess.h>
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#include "psmouse.h"
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#include "trackpoint.h"
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PSMOUSE_DEFINE_ATTR(sensitivity);
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PSMOUSE_DEFINE_ATTR(speed);
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PSMOUSE_DEFINE_ATTR(inertia);
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PSMOUSE_DEFINE_ATTR(reach);
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PSMOUSE_DEFINE_ATTR(draghys);
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PSMOUSE_DEFINE_ATTR(mindrag);
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PSMOUSE_DEFINE_ATTR(thresh);
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PSMOUSE_DEFINE_ATTR(upthresh);
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PSMOUSE_DEFINE_ATTR(ztime);
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PSMOUSE_DEFINE_ATTR(jenks);
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PSMOUSE_DEFINE_ATTR(press_to_select);
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PSMOUSE_DEFINE_ATTR(skipback);
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PSMOUSE_DEFINE_ATTR(ext_dev);
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#define MAKE_ATTR_READ(_item) \
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static ssize_t psmouse_attr_show_##_item(struct psmouse *psmouse, char *buf) \
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{ \
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struct trackpoint_data *tp = psmouse->private; \
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return sprintf(buf, "%lu\n", (unsigned long)tp->_item); \
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}
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#define MAKE_ATTR_WRITE(_item, command) \
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static ssize_t psmouse_attr_set_##_item(struct psmouse *psmouse, const char *buf, size_t count) \
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{ \
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char *rest; \
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unsigned long value; \
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struct trackpoint_data *tp = psmouse->private; \
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value = simple_strtoul(buf, &rest, 10); \
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if (*rest) \
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return -EINVAL; \
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tp->_item = value; \
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trackpoint_write(&psmouse->ps2dev, command, tp->_item); \
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return count; \
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}
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#define MAKE_ATTR_TOGGLE(_item, command, mask) \
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static ssize_t psmouse_attr_set_##_item(struct psmouse *psmouse, const char *buf, size_t count) \
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{ \
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unsigned char toggle; \
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struct trackpoint_data *tp = psmouse->private; \
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toggle = (buf[0] == '1') ? 1 : 0; \
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if (toggle != tp->_item) { \
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tp->_item = toggle; \
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trackpoint_toggle_bit(&psmouse->ps2dev, command, mask); \
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} \
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return count; \
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}
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/*
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* Device IO: read, write and toggle bit
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*/
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static int trackpoint_read(struct ps2dev *ps2dev, unsigned char loc, unsigned char *results)
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{
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if (ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_COMMAND)) ||
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ps2_command(ps2dev, results, MAKE_PS2_CMD(0, 1, loc))) {
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return -1;
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}
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return 0;
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}
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static int trackpoint_write(struct ps2dev *ps2dev, unsigned char loc, unsigned char val)
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{
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if (ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_COMMAND)) ||
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ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_WRITE_MEM)) ||
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ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, loc)) ||
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ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, val))) {
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return -1;
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}
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return 0;
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}
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static int trackpoint_toggle_bit(struct ps2dev *ps2dev, unsigned char loc, unsigned char mask)
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{
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/* Bad things will happen if the loc param isn't in this range */
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if (loc < 0x20 || loc >= 0x2F)
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return -1;
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if (ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_COMMAND)) ||
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ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_TOGGLE)) ||
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ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, loc)) ||
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ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, mask))) {
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return -1;
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}
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return 0;
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}
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MAKE_ATTR_WRITE(sensitivity, TP_SENS);
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MAKE_ATTR_READ(sensitivity);
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MAKE_ATTR_WRITE(speed, TP_SPEED);
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MAKE_ATTR_READ(speed);
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MAKE_ATTR_WRITE(inertia, TP_INERTIA);
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MAKE_ATTR_READ(inertia);
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MAKE_ATTR_WRITE(reach, TP_REACH);
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MAKE_ATTR_READ(reach);
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MAKE_ATTR_WRITE(draghys, TP_DRAGHYS);
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MAKE_ATTR_READ(draghys);
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MAKE_ATTR_WRITE(mindrag, TP_MINDRAG);
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MAKE_ATTR_READ(mindrag);
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MAKE_ATTR_WRITE(thresh, TP_THRESH);
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MAKE_ATTR_READ(thresh);
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MAKE_ATTR_WRITE(upthresh, TP_UP_THRESH);
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MAKE_ATTR_READ(upthresh);
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MAKE_ATTR_WRITE(ztime, TP_Z_TIME);
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MAKE_ATTR_READ(ztime);
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MAKE_ATTR_WRITE(jenks, TP_JENKS_CURV);
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MAKE_ATTR_READ(jenks);
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MAKE_ATTR_TOGGLE(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON);
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MAKE_ATTR_READ(press_to_select);
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MAKE_ATTR_TOGGLE(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK);
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MAKE_ATTR_READ(skipback);
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MAKE_ATTR_TOGGLE(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV);
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MAKE_ATTR_READ(ext_dev);
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static struct attribute *trackpoint_attrs[] = {
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&psmouse_attr_sensitivity.attr,
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&psmouse_attr_speed.attr,
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&psmouse_attr_inertia.attr,
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&psmouse_attr_reach.attr,
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&psmouse_attr_draghys.attr,
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&psmouse_attr_mindrag.attr,
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&psmouse_attr_thresh.attr,
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&psmouse_attr_upthresh.attr,
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&psmouse_attr_ztime.attr,
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&psmouse_attr_jenks.attr,
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&psmouse_attr_press_to_select.attr,
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&psmouse_attr_skipback.attr,
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&psmouse_attr_ext_dev.attr,
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NULL
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};
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static struct attribute_group trackpoint_attr_group = {
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.attrs = trackpoint_attrs,
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};
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static void trackpoint_disconnect(struct psmouse *psmouse)
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{
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sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj, &trackpoint_attr_group);
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kfree(psmouse->private);
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psmouse->private = NULL;
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}
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static int trackpoint_sync(struct psmouse *psmouse)
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{
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unsigned char toggle;
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struct trackpoint_data *tp = psmouse->private;
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if (!tp)
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return -1;
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/* Disable features that may make device unusable with this driver */
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trackpoint_read(&psmouse->ps2dev, TP_TOGGLE_TWOHAND, &toggle);
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if (toggle & TP_MASK_TWOHAND)
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trackpoint_toggle_bit(&psmouse->ps2dev, TP_TOGGLE_TWOHAND, TP_MASK_TWOHAND);
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trackpoint_read(&psmouse->ps2dev, TP_TOGGLE_SOURCE_TAG, &toggle);
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if (toggle & TP_MASK_SOURCE_TAG)
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trackpoint_toggle_bit(&psmouse->ps2dev, TP_TOGGLE_SOURCE_TAG, TP_MASK_SOURCE_TAG);
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trackpoint_read(&psmouse->ps2dev, TP_TOGGLE_MB, &toggle);
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if (toggle & TP_MASK_MB)
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trackpoint_toggle_bit(&psmouse->ps2dev, TP_TOGGLE_MB, TP_MASK_MB);
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/* Push the config to the device */
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trackpoint_write(&psmouse->ps2dev, TP_SENS, tp->sensitivity);
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trackpoint_write(&psmouse->ps2dev, TP_INERTIA, tp->inertia);
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trackpoint_write(&psmouse->ps2dev, TP_SPEED, tp->speed);
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trackpoint_write(&psmouse->ps2dev, TP_REACH, tp->reach);
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trackpoint_write(&psmouse->ps2dev, TP_DRAGHYS, tp->draghys);
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trackpoint_write(&psmouse->ps2dev, TP_MINDRAG, tp->mindrag);
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trackpoint_write(&psmouse->ps2dev, TP_THRESH, tp->thresh);
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trackpoint_write(&psmouse->ps2dev, TP_UP_THRESH, tp->upthresh);
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trackpoint_write(&psmouse->ps2dev, TP_Z_TIME, tp->ztime);
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trackpoint_write(&psmouse->ps2dev, TP_JENKS_CURV, tp->jenks);
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trackpoint_read(&psmouse->ps2dev, TP_TOGGLE_PTSON, &toggle);
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if (((toggle & TP_MASK_PTSON) == TP_MASK_PTSON) != tp->press_to_select)
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trackpoint_toggle_bit(&psmouse->ps2dev, TP_TOGGLE_PTSON, TP_MASK_PTSON);
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trackpoint_read(&psmouse->ps2dev, TP_TOGGLE_SKIPBACK, &toggle);
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if (((toggle & TP_MASK_SKIPBACK) == TP_MASK_SKIPBACK) != tp->skipback)
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trackpoint_toggle_bit(&psmouse->ps2dev, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK);
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trackpoint_read(&psmouse->ps2dev, TP_TOGGLE_EXT_DEV, &toggle);
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if (((toggle & TP_MASK_EXT_DEV) == TP_MASK_EXT_DEV) != tp->ext_dev)
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trackpoint_toggle_bit(&psmouse->ps2dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV);
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return 0;
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}
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static void trackpoint_defaults(struct trackpoint_data *tp)
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{
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tp->press_to_select = TP_DEF_PTSON;
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tp->sensitivity = TP_DEF_SENS;
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tp->speed = TP_DEF_SPEED;
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tp->reach = TP_DEF_REACH;
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tp->draghys = TP_DEF_DRAGHYS;
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tp->mindrag = TP_DEF_MINDRAG;
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tp->thresh = TP_DEF_THRESH;
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tp->upthresh = TP_DEF_UP_THRESH;
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tp->ztime = TP_DEF_Z_TIME;
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tp->jenks = TP_DEF_JENKS_CURV;
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tp->inertia = TP_DEF_INERTIA;
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tp->skipback = TP_DEF_SKIPBACK;
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tp->ext_dev = TP_DEF_EXT_DEV;
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}
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int trackpoint_detect(struct psmouse *psmouse, int set_properties)
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{
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struct trackpoint_data *priv;
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struct ps2dev *ps2dev = &psmouse->ps2dev;
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unsigned char firmware_id;
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unsigned char button_info;
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unsigned char param[2];
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param[0] = param[1] = 0;
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if (ps2_command(ps2dev, param, MAKE_PS2_CMD(0, 2, TP_READ_ID)))
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return -1;
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if (param[0] != TP_MAGIC_IDENT)
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return -1;
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if (!set_properties)
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return 0;
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firmware_id = param[1];
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if (trackpoint_read(&psmouse->ps2dev, TP_EXT_BTN, &button_info)) {
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printk(KERN_WARNING "trackpoint.c: failed to get extended button data\n");
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button_info = 0;
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}
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psmouse->private = priv = kcalloc(1, sizeof(struct trackpoint_data), GFP_KERNEL);
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if (!priv)
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return -1;
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psmouse->vendor = "IBM";
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psmouse->name = "TrackPoint";
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psmouse->reconnect = trackpoint_sync;
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psmouse->disconnect = trackpoint_disconnect;
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trackpoint_defaults(priv);
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trackpoint_sync(psmouse);
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sysfs_create_group(&ps2dev->serio->dev.kobj, &trackpoint_attr_group);
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printk(KERN_INFO "IBM TrackPoint firmware: 0x%02x, buttons: %d/%d\n",
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firmware_id, (button_info & 0xf0) >> 4, button_info & 0x0f);
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return 0;
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}
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147
drivers/input/mouse/trackpoint.h
Normal file
147
drivers/input/mouse/trackpoint.h
Normal file
@ -0,0 +1,147 @@
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/*
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* IBM TrackPoint PS/2 mouse driver
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*
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* Stephen Evanchik <evanchsa@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*/
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#ifndef _TRACKPOINT_H
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#define _TRACKPOINT_H
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/*
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* These constants are from the TrackPoint System
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* Engineering documentation Version 4 from IBM Watson
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* research:
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* http://wwwcssrv.almaden.ibm.com/trackpoint/download.html
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*/
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#define TP_COMMAND 0xE2 /* Commands start with this */
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#define TP_READ_ID 0xE1 /* Sent for device identification */
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#define TP_MAGIC_IDENT 0x01 /* Sent after a TP_READ_ID followed */
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/* by the firmware ID */
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/*
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* Commands
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*/
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#define TP_RECALIB 0x51 /* Recalibrate */
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#define TP_POWER_DOWN 0x44 /* Can only be undone through HW reset */
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#define TP_EXT_DEV 0x21 /* Determines if external device is connected (RO) */
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#define TP_EXT_BTN 0x4B /* Read extended button status */
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#define TP_POR 0x7F /* Execute Power on Reset */
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#define TP_POR_RESULTS 0x25 /* Read Power on Self test results */
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#define TP_DISABLE_EXT 0x40 /* Disable external pointing device */
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#define TP_ENABLE_EXT 0x41 /* Enable external pointing device */
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/*
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* Mode manipulation
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*/
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#define TP_SET_SOFT_TRANS 0x4E /* Set mode */
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#define TP_CANCEL_SOFT_TRANS 0xB9 /* Cancel mode */
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#define TP_SET_HARD_TRANS 0x45 /* Mode can only be set */
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/*
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* Register oriented commands/properties
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*/
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#define TP_WRITE_MEM 0x81
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#define TP_READ_MEM 0x80 /* Not used in this implementation */
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/*
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* RAM Locations for properties
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*/
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#define TP_SENS 0x4A /* Sensitivity */
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#define TP_MB 0x4C /* Read Middle Button Status (RO) */
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#define TP_INERTIA 0x4D /* Negative Inertia */
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#define TP_SPEED 0x60 /* Speed of TP Cursor */
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#define TP_REACH 0x57 /* Backup for Z-axis press */
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#define TP_DRAGHYS 0x58 /* Drag Hysteresis */
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/* (how hard it is to drag */
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/* with Z-axis pressed) */
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#define TP_MINDRAG 0x59 /* Minimum amount of force needed */
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/* to trigger dragging */
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#define TP_THRESH 0x5C /* Minimum value for a Z-axis press */
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#define TP_UP_THRESH 0x5A /* Used to generate a 'click' on Z-axis */
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#define TP_Z_TIME 0x5E /* How sharp of a press */
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#define TP_JENKS_CURV 0x5D /* Minimum curvature for double click */
|
||||
|
||||
/*
|
||||
* 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 /* Toggle 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
|
||||
|
||||
/* Toggles */
|
||||
#define TP_DEF_MB 0x00
|
||||
#define TP_DEF_PTSON 0x00
|
||||
#define TP_DEF_SKIPBACK 0x00
|
||||
#define TP_DEF_EXT_DEV 0x01
|
||||
|
||||
#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 press_to_select;
|
||||
unsigned char skipback;
|
||||
|
||||
unsigned char ext_dev;
|
||||
};
|
||||
|
||||
extern int trackpoint_detect(struct psmouse *psmouse, int set_properties);
|
||||
|
||||
#endif /* _TRACKPOINT_H */
|
||||
Loading…
Reference in New Issue
Block a user