Here is a cleaned up version of the patch that at least builds....
----------------------------------------------------------------------
Input: add driver for Fujitsu serial touchscreens
Such touchscreen are found in Fujitsu lifebook P-series laptops.
Signed-off-by: Dmitry Torokhov <[EMAIL PROTECTED]>
---
drivers/input/touchscreen/Kconfig | 13 ++
drivers/input/touchscreen/Makefile | 15 +-
drivers/input/touchscreen/fujitsu_ts.c | 194 +++++++++++++++++++++++++++++++++
include/linux/serio.h | 1
4 files changed, 216 insertions(+), 7 deletions(-)
--- b6210.orig/drivers/input/touchscreen/Kconfig 2007-04-04
15:40:38.000000000 -0700
+++ b6210/drivers/input/touchscreen/Kconfig 2007-04-04 15:47:03.000000000
-0700
@@ -54,6 +54,19 @@
To compile this driver as a module, choose M here: the
module will be called corgi_ts.
+config TOUCHSCREEN_FUJITSU
+ tristate "Fujitsu serial touchscreen"
+ select SERIO
+ help
+ Say Y here if you have the Fujitsu touchscreen (such as one
+ installed in Lifebook P series laptop) connected to your
+ system.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called fujitsu-ts.
+
config TOUCHSCREEN_GUNZE
tristate "Gunze AHL-51S touchscreen"
select SERIO
--- b6210.orig/drivers/input/touchscreen/Makefile 2007-04-04
15:40:38.000000000 -0700
+++ b6210/drivers/input/touchscreen/Makefile 2007-04-04 15:47:03.000000000
-0700
@@ -5,13 +5,14 @@
# Each configuration option enables a list of files.
obj-$(CONFIG_TOUCHSCREEN_ADS7846) += ads7846.o
-obj-$(CONFIG_TOUCHSCREEN_BITSY) += h3600_ts_input.o
-obj-$(CONFIG_TOUCHSCREEN_CORGI) += corgi_ts.o
-obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o
-obj-$(CONFIG_TOUCHSCREEN_ELO) += elo.o
-obj-$(CONFIG_TOUCHSCREEN_MTOUCH) += mtouch.o
-obj-$(CONFIG_TOUCHSCREEN_MK712) += mk712.o
-obj-$(CONFIG_TOUCHSCREEN_HP600) += hp680_ts_input.o
+obj-$(CONFIG_TOUCHSCREEN_CORGI) += corgi_ts.o
+obj-$(CONFIG_TOUCHSCREEN_ELO) += elo.o
+obj-$(CONFIG_TOUCHSCREEN_FUJITSU) += fujitsu_ts.o
+obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o
+obj-$(CONFIG_TOUCHSCREEN_BITSY) += h3600_ts_input.o
+obj-$(CONFIG_TOUCHSCREEN_HP600) += hp680_ts_input.o
+obj-$(CONFIG_TOUCHSCREEN_MTOUCH) += mtouch.o
+obj-$(CONFIG_TOUCHSCREEN_MK712) += mk712.o
obj-$(CONFIG_TOUCHSCREEN_PENMOUNT) += penmount.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHRIGHT) += touchright.o
obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ b6210/drivers/input/touchscreen/fujitsu_ts.c 2007-04-05
12:36:11.000000000 -0700
@@ -0,0 +1,194 @@
+/*
+ * Fujitsu serial touchscreen driver
+ *
+ * Copyright (c) Dmitry Torokhov <[EMAIL PROTECTED]>
+ */
+
+/*
+ * 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/errno.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/serio.h>
+#include <linux/init.h>
+
+#define DRIVER_DESC "Fujitsu serial touchscreen driver"
+
+MODULE_AUTHOR("Dmitry Torokhov <[EMAIL PROTECTED]>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+#define FUJITSU_LENGTH 5
+
+#define FUJITSU_MIN_X 0
+#define FUJITSU_MAX_X 4095
+#define FUJITSU_MIN_Y 0
+#define FUJITSU_MAX_Y 4095
+
+/*
+ * Per-touchscreen data.
+ */
+
+struct fujitsu {
+ struct input_dev *dev;
+ struct serio *serio;
+ int idx;
+ unsigned char data[FUJITSU_LENGTH];
+ char phys[32];
+};
+
+static irqreturn_t fujitsu_interrupt(struct serio *serio,
+ unsigned char data, unsigned int flags)
+{
+ struct fujitsu *fujitsu = serio_get_drvdata(serio);
+ struct input_dev *dev = fujitsu->dev;
+
+ printk(KERN_DEBUG "fujitsu ts interrupt data %x\n", data);
+ if (fujitsu->idx == 0) {
+ if ((data & 0xf8) != 0x80)
+ return IRQ_HANDLED;
+ } else {
+ if ((data & 0x80) != 0x00) {
+ fujitsu->idx = 0;
+ return IRQ_HANDLED;
+ }
+ }
+
+ fujitsu->data[fujitsu->idx++] = data;
+
+ if (fujitsu->idx == FUJITSU_LENGTH) {
+
+ input_report_abs(dev, ABS_X,
+ (fujitsu->data[2] << 7) | fujitsu->data[1]);
+ input_report_abs(dev, ABS_Y,
+ (fujitsu->data[4] << 7) | fujitsu->data[3]);
+ input_report_key(dev, BTN_TOUCH,
+ (fujitsu->data[0] & 0x03) != 2);
+ input_sync(dev);
+ }
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * fujitsu_disconnect() is the opposite of fujitsu_connect()
+ */
+
+static void fujitsu_disconnect(struct serio *serio)
+{
+ struct fujitsu *fujitsu = serio_get_drvdata(serio);
+
+ input_get_device(fujitsu->dev);
+ input_unregister_device(fujitsu->dev);
+ serio_close(serio);
+ serio_set_drvdata(serio, NULL);
+ input_put_device(fujitsu->dev);
+ kfree(fujitsu);
+}
+
+/*
+ * fujitsu_connect() is the routine that is called when someone adds a
+ * new serio device that supports the Fujitsu protocol and registers it
+ * as input device.
+ */
+
+static int fujitsu_connect(struct serio *serio, struct serio_driver *drv)
+{
+ struct fujitsu *fujitsu;
+ struct input_dev *input_dev;
+ int err;
+
+ fujitsu = kzalloc(sizeof(struct fujitsu), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!fujitsu || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
+
+ fujitsu->serio = serio;
+ fujitsu->dev = input_dev;
+ snprintf(fujitsu->phys, sizeof(fujitsu->phys),
+ "%s/input0", serio->phys);
+
+ input_dev->name = "Fujitsu Serial Touchscreen";
+ input_dev->phys = fujitsu->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_FUJITSU;
+ input_dev->id.product = 0;
+ input_dev->id.version = 0x0100;
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+
+ input_set_abs_params(input_dev, ABS_X, FUJITSU_MIN_X, FUJITSU_MAX_X,
+ 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, FUJITSU_MIN_Y, FUJITSU_MAX_Y,
+ 0, 0);
+
+ serio_set_drvdata(serio, fujitsu);
+
+ err = serio_open(serio, drv);
+ if (err)
+ goto fail2;
+
+ err = input_register_device(fujitsu->dev);
+ if (err)
+ goto fail3;
+
+ return 0;
+
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(input_dev);
+ kfree(fujitsu);
+ return err;
+}
+
+/*
+ * The serio driver structure.
+ */
+
+static struct serio_device_id fujitsu_serio_ids[] = {
+ {
+ .type = SERIO_RS232,
+ .proto = SERIO_FUJITSU,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, fujitsu_serio_ids);
+
+static struct serio_driver fujitsu_drv = {
+ .driver = {
+ .name = "fujitsu_ts",
+ },
+ .description = DRIVER_DESC,
+ .id_table = fujitsu_serio_ids,
+ .interrupt = fujitsu_interrupt,
+ .connect = fujitsu_connect,
+ .disconnect = fujitsu_disconnect,
+};
+
+/*
+ * The functions for inserting/removing us as a module.
+ */
+
+static int __init fujitsu_init(void)
+{
+ return serio_register_driver(&fujitsu_drv);
+}
+
+static void __exit fujitsu_exit(void)
+{
+ serio_unregister_driver(&fujitsu_drv);
+}
+
+module_init(fujitsu_init);
+module_exit(fujitsu_exit);
--- b6210.orig/include/linux/serio.h 2007-04-05 11:06:15.000000000 -0700
+++ b6210/include/linux/serio.h 2007-04-05 11:06:40.000000000 -0700
@@ -209,5 +209,6 @@
#define SERIO_PENMOUNT 0x31
#define SERIO_TOUCHRIGHT 0x32
#define SERIO_TOUCHWIN 0x33
+#define SERIO_FUJITSU 0x34
#endif
