Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/drivers/input/touchscreen/gunze.c b/drivers/input/touchscreen/gunze.c
new file mode 100644
index 0000000..c9d0a15
--- /dev/null
+++ b/drivers/input/touchscreen/gunze.c
@@ -0,0 +1,205 @@
+/*
+ * $Id: gunze.c,v 1.12 2001/09/25 10:12:07 vojtech Exp $
+ *
+ * Copyright (c) 2000-2001 Vojtech Pavlik
+ */
+
+/*
+ * Gunze AHL-51S touchscreen driver for Linux
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Should you need to contact me, the author, you can do so either by
+ * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
+ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
+ */
+
+#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 "Gunze AHL-51S touchscreen driver"
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+/*
+ * Definitions & global arrays.
+ */
+
+#define GUNZE_MAX_LENGTH 10
+
+static char *gunze_name = "Gunze AHL-51S TouchScreen";
+
+/*
+ * Per-touchscreen data.
+ */
+
+struct gunze {
+ struct input_dev dev;
+ struct serio *serio;
+ int idx;
+ unsigned char data[GUNZE_MAX_LENGTH];
+ char phys[32];
+};
+
+static void gunze_process_packet(struct gunze* gunze, struct pt_regs *regs)
+{
+ struct input_dev *dev = &gunze->dev;
+
+ if (gunze->idx != GUNZE_MAX_LENGTH || gunze->data[5] != ',' ||
+ (gunze->data[0] != 'T' && gunze->data[0] != 'R')) {
+ gunze->data[10] = 0;
+ printk(KERN_WARNING "gunze.c: bad packet: >%s<\n", gunze->data);
+ return;
+ }
+
+ input_regs(dev, regs);
+ input_report_abs(dev, ABS_X, simple_strtoul(gunze->data + 1, NULL, 10));
+ input_report_abs(dev, ABS_Y, 1024 - simple_strtoul(gunze->data + 6, NULL, 10));
+ input_report_key(dev, BTN_TOUCH, gunze->data[0] == 'T');
+ input_sync(dev);
+}
+
+static irqreturn_t gunze_interrupt(struct serio *serio,
+ unsigned char data, unsigned int flags, struct pt_regs *regs)
+{
+ struct gunze* gunze = serio_get_drvdata(serio);
+
+ if (data == '\r') {
+ gunze_process_packet(gunze, regs);
+ gunze->idx = 0;
+ } else {
+ if (gunze->idx < GUNZE_MAX_LENGTH)
+ gunze->data[gunze->idx++] = data;
+ }
+ return IRQ_HANDLED;
+}
+
+/*
+ * gunze_disconnect() is the opposite of gunze_connect()
+ */
+
+static void gunze_disconnect(struct serio *serio)
+{
+ struct gunze* gunze = serio_get_drvdata(serio);
+
+ input_unregister_device(&gunze->dev);
+ serio_close(serio);
+ serio_set_drvdata(serio, NULL);
+ kfree(gunze);
+}
+
+/*
+ * gunze_connect() is the routine that is called when someone adds a
+ * new serio device that supports Gunze protocol and registers it as
+ * an input device.
+ */
+
+static int gunze_connect(struct serio *serio, struct serio_driver *drv)
+{
+ struct gunze *gunze;
+ int err;
+
+ if (!(gunze = kmalloc(sizeof(struct gunze), GFP_KERNEL)))
+ return -ENOMEM;
+
+ memset(gunze, 0, sizeof(struct gunze));
+
+ init_input_dev(&gunze->dev);
+ gunze->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+ gunze->dev.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+ input_set_abs_params(&gunze->dev, ABS_X, 24, 1000, 0, 0);
+ input_set_abs_params(&gunze->dev, ABS_Y, 24, 1000, 0, 0);
+
+ gunze->serio = serio;
+
+ sprintf(gunze->phys, "%s/input0", serio->phys);
+
+ gunze->dev.private = gunze;
+ gunze->dev.name = gunze_name;
+ gunze->dev.phys = gunze->phys;
+ gunze->dev.id.bustype = BUS_RS232;
+ gunze->dev.id.vendor = SERIO_GUNZE;
+ gunze->dev.id.product = 0x0051;
+ gunze->dev.id.version = 0x0100;
+
+ serio_set_drvdata(serio, gunze);
+
+ err = serio_open(serio, drv);
+ if (err) {
+ serio_set_drvdata(serio, NULL);
+ kfree(gunze);
+ return err;
+ }
+
+ input_register_device(&gunze->dev);
+
+ printk(KERN_INFO "input: %s on %s\n", gunze_name, serio->phys);
+
+ return 0;
+}
+
+/*
+ * The serio driver structure.
+ */
+
+static struct serio_device_id gunze_serio_ids[] = {
+ {
+ .type = SERIO_RS232,
+ .proto = SERIO_GUNZE,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, gunze_serio_ids);
+
+static struct serio_driver gunze_drv = {
+ .driver = {
+ .name = "gunze",
+ },
+ .description = DRIVER_DESC,
+ .id_table = gunze_serio_ids,
+ .interrupt = gunze_interrupt,
+ .connect = gunze_connect,
+ .disconnect = gunze_disconnect,
+};
+
+/*
+ * The functions for inserting/removing us as a module.
+ */
+
+static int __init gunze_init(void)
+{
+ serio_register_driver(&gunze_drv);
+ return 0;
+}
+
+static void __exit gunze_exit(void)
+{
+ serio_unregister_driver(&gunze_drv);
+}
+
+module_init(gunze_init);
+module_exit(gunze_exit);