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Input: Add Fujitsu Lifebook B-series touchscreen driver.

Browse Source 
From: Kenan Esau <kenan.esau@conan.de>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Kenan Esau 2005-05-29 02:30:22 -05:00 committed by Dmitry Torokhov
parent 41e979f822
commit 02d7f58950
6 changed files with 155 additions and 5 deletions
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2
Documentation/kernel-parameters.txt
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@ -1104,7 +1104,7 @@ running once the system is up.
See Documentation/ramdisk.txt.
psmouse.proto= [HW,MOUSE] Highest PS2 mouse protocol extension to
probe for (bare|imps|exps).
probe for (bare|imps|exps|lifebook|any).
psmouse.rate= [HW,MOUSE] Set desired mouse report rate, in reports
per second.
psmouse.resetafter=

2
drivers/input/mouse/Makefile
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@ -15,4 +15,4 @@ obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o
obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o
obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o
psmouse-objs := psmouse-base.o alps.o logips2pp.o synaptics.o
psmouse-objs := psmouse-base.o alps.o logips2pp.o synaptics.o lifebook.o

126
drivers/input/mouse/lifebook.c Normal file
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@ -0,0 +1,126 @@
/*
* Fujitsu B-series Lifebook PS/2 TouchScreen driver
*
* Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Kenan Esau <kenan.esau@conan.de>
*
* TouchScreen detection, absolute mode setting and packet layout is taken from
* Harald Hoyer's description of the device.
*
* 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.
*/
#include <linux/input.h>
#include <linux/serio.h>
#include <linux/libps2.h>
#include <linux/dmi.h>
#include "psmouse.h"
#include "lifebook.h"
static int max_y = 1024;
static struct dmi_system_id lifebook_dmi_table[] = {
{
.ident = "Fujitsu Siemens Lifebook B-Sereis",
.matches = {
DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"),
},
},
{ }
};
static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
{
unsigned char *packet = psmouse->packet;
struct input_dev *dev = &psmouse->dev;
if ( psmouse->pktcnt != 3 )
return PSMOUSE_GOOD_DATA;
input_regs(dev, regs);
/* calculate X and Y */
if ((packet[0] & 0x08) == 0x00) {
input_report_abs(dev, ABS_X,
(packet[1] | ((packet[0] & 0x30) << 4)));
input_report_abs(dev, ABS_Y,
max_y - (packet[2] | ((packet[0] & 0xC0) << 2)));
} else {
input_report_rel(dev, REL_X,
((packet[0] & 0x10) ? packet[1]-256 : packet[1]));
input_report_rel(dev, REL_Y,
(- (int)((packet[0] & 0x20) ? packet[2]-256 : packet[2])));
}
input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
input_report_key(dev, BTN_TOUCH, packet[0] & 0x04);
input_sync(dev);
return PSMOUSE_FULL_PACKET;
}
static int lifebook_initialize(struct psmouse *psmouse)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param;
if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE))
return -1;
if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_BAT))
return -1;
/*
Enable absolute output -- ps2_command fails always but if
you leave this call out the touchsreen will never send
absolute coordinates
*/
param = 0x07;
ps2_command(ps2dev, &param, PSMOUSE_CMD_SETRES);
psmouse->set_rate(psmouse, psmouse->rate);
psmouse->set_resolution(psmouse, psmouse->resolution);
if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE))
return -1;
return 0;
}
static void lifebook_disconnect(struct psmouse *psmouse)
{
psmouse_reset(psmouse);
}
int lifebook_detect(struct psmouse *psmouse, unsigned int max_proto,
int set_properties)
{
if (!dmi_check_system(lifebook_dmi_table) &&
(max_proto != PSMOUSE_LIFEBOOK) )
return -1;
if (set_properties) {
psmouse->vendor = "Fujitsu Lifebook";
psmouse->name = "TouchScreen";
psmouse->dev.evbit[0] = BIT(EV_ABS) | BIT(EV_KEY) | BIT(EV_REL);
psmouse->dev.keybit[LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
psmouse->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
psmouse->dev.relbit[0] = BIT(REL_X) | BIT(REL_Y);
input_set_abs_params(&psmouse->dev, ABS_X, 0, 1024, 0, 0);
input_set_abs_params(&psmouse->dev, ABS_Y, 0, 1024, 0, 0);
psmouse->protocol_handler = lifebook_process_byte;
psmouse->disconnect = lifebook_disconnect;
psmouse->reconnect = lifebook_initialize;
psmouse->pktsize = 3;
}
return lifebook_initialize(psmouse);
}

17
drivers/input/mouse/lifebook.h Normal file
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@ -0,0 +1,17 @@
/*
* Fujitsu B-series Lifebook PS/2 TouchScreen driver
*
* Copyright (c) 2005 Vojtech Pavlik
*
* 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 _LIFEBOOK_H
#define _LIFEBOOK_H
int lifebook_detect(struct psmouse *psmouse, unsigned int max_proto,
int set_properties);
#endif

12
drivers/input/mouse/psmouse-base.c
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@ -24,6 +24,7 @@
#include "synaptics.h"
#include "logips2pp.h"
#include "alps.h"
#include "lifebook.h"
#define DRIVER_DESC "PS/2 mouse driver"
@ -34,12 +35,12 @@ MODULE_LICENSE("GPL");
static unsigned int psmouse_max_proto = -1U;
static int psmouse_set_maxproto(const char *val, struct kernel_param *kp);
static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp);
static char *psmouse_proto_abbrev[] = { NULL, "bare", NULL, NULL, NULL, "imps", "exps", NULL, NULL, NULL };
static char *psmouse_proto_abbrev[] = { NULL, "bare", NULL, NULL, NULL, "imps", "exps", NULL, NULL, "lifebook" };
#define param_check_proto_abbrev(name, p) __param_check(name, p, unsigned int)
#define param_set_proto_abbrev psmouse_set_maxproto
#define param_get_proto_abbrev psmouse_get_maxproto
module_param_named(proto, psmouse_max_proto, proto_abbrev, 0644);
MODULE_PARM_DESC(proto, "Highest protocol extension to probe (bare, imps, exps, any). Useful for KVM switches.");
MODULE_PARM_DESC(proto, "Highest protocol extension to probe (bare, imps, exps, lifebook, any). Useful for KVM switches.");
static unsigned int psmouse_resolution = 200;
module_param_named(resolution, psmouse_resolution, uint, 0644);
@ -67,7 +68,7 @@ __obsolete_setup("psmouse_smartscroll=");
__obsolete_setup("psmouse_resetafter=");
__obsolete_setup("psmouse_rate=");
static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "ThinkPS/2", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2", "AlpsPS/2" };
static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "ThinkPS/2", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2", "AlpsPS/2", "LBPS/2" };
/*
* psmouse_process_byte() analyzes the PS/2 data stream and reports
@ -423,6 +424,9 @@ static int psmouse_extensions(struct psmouse *psmouse,
{
int synaptics_hardware = 0;
if (lifebook_detect(psmouse, max_proto, set_properties) == 0)
return PSMOUSE_LIFEBOOK;
/*
* Try Kensington ThinkingMouse (we try first, because synaptics probe
* upsets the thinkingmouse).
@ -575,6 +579,8 @@ static void psmouse_set_rate(struct psmouse *psmouse, unsigned int rate)
static void psmouse_initialize(struct psmouse *psmouse)
{
if (psmouse->type==PSMOUSE_LIFEBOOK)
return;
/*
* We set the mouse into streaming mode.
*/

1
drivers/input/mouse/psmouse.h
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@ -77,6 +77,7 @@ enum psmouse_type {
PSMOUSE_IMEX,
PSMOUSE_SYNAPTICS,
PSMOUSE_ALPS,
PSMOUSE_LIFEBOOK,
};
int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);