This cset adds the Newton keyboard driver.

drivers/input/keyboard/Config.help

@@ -46,6 +46,14 @@ CONFIG_KEYBOARD_XTKBD
   The module will be called xtkbd.o. If you want to compile it as a
   module, say M here and read <file:Documentation/modules.txt>.
 
+CONFIG_KEYBOARD_NEWTON
+  Say Y here if you have a Newton keyboard on a serial port.
+
+  This driver is also available as a module ( = code which can be
+  inserted in and removed from the running kernel whenever you want).
+  The module will be called maple_keyb.o. If you want to compile it as a
+  module, say M here and read <file:Documentation/modules.txt>.
+
 CONFIG_KEYBOARD_MAPLE  
   Say Y here if you have a DreamCast console running Linux and have
   a keyboard attached to its Maple bus.

drivers/input/keyboard/Config.in

@@ -8,6 +8,7 @@ dep_tristate '  AT keyboard support' CONFIG_KEYBOARD_ATKBD $CONFIG_INPUT $CONFIG
 dep_tristate '  Sun Type 4 and Type 5 keyboard support' CONFIG_KEYBOARD_SUNKBD $CONFIG_INPUT $CONFIG_INPUT_KEYBOARD $CONFIG_SERIO
 dep_tristate '  PS/2 to Serial converter support' CONFIG_KEYBOARD_PS2SERKBD $CONFIG_INPUT $CONFIG_INPUT_KEYBOARD $CONFIG_SERIO
 dep_tristate '  XT Keyboard support' CONFIG_KEYBOARD_XTKBD $CONFIG_INPUT $CONFIG_INPUT_KEYBOARD $CONFIG_SERIO
+dep_tristate '  Newton keyboard' CONFIG_KEYBOARD_NEWTON $CONFIG_INPUT $CONFIG_INPUT_KEYBOARD $CONFIG_SERIO
 
 if [ "$CONFIG_SH_DREAMCAST" = "y" ]; then
    dep_tristate '  Maple bus keyboard support' CONFIG_KEYBOARD_MAPLE $CONFIG_INPUT $CONFIG_INPUT_KEYBOARD $CONFIG_MAPLE

drivers/input/keyboard/Makefile

@@ -10,6 +10,7 @@ obj-$(CONFIG_KEYBOARD_PS2SERKBD)	+= ps2serkbd.o
 obj-$(CONFIG_KEYBOARD_SUNKBD)		+= sunkbd.o
 obj-$(CONFIG_KEYBOARD_XTKBD)		+= xtkbd.o
 obj-$(CONFIG_KEYBOARD_AMIGA)		+= amikbd.o
+obj-$(CONFIG_KEYBOARD_NEWTON)		+= newtonkbd.o
 
 # The global Rules.make.
 

drivers/input/keyboard/newtonkbd.c

+/*
+ *  Copyright (c) 2000 Justin Cormack
+ */
+
+/*
+ * Newton keyboard 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 <j.cormack@doc.ic.ac.uk>, or by paper mail:
+ * Justin Cormack, 68 Dartmouth Park Road, London NW5 1SN, UK.
+ */
+
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/init.h>
+#include <linux/serio.h>
+
+MODULE_AUTHOR("Justin Cormack <j.cormack@doc.ic.ac.uk>");
+
+#define NKBD_KEY	0x7f
+#define NKBD_PRESS	0x80
+
+static unsigned char nkbd_keycode[128] = {
+	KEY_A, KEY_S, KEY_D, KEY_F, KEY_H, KEY_G, KEY_Z, KEY_X,
+	KEY_C, KEY_V, 0, KEY_B, KEY_Q, KEY_W, KEY_E, KEY_R,
+	KEY_Y, KEY_T, KEY_1, KEY_2, KEY_3, KEY_4, KEY_6, KEY_5,
+	KEY_EQUAL, KEY_9, KEY_7, KEY_MINUS, KEY_8, KEY_0, KEY_RIGHTBRACE, KEY_O,
+	KEY_U, KEY_LEFTBRACE, KEY_I, KEY_P, KEY_ENTER, KEY_L, KEY_J, KEY_APOSTROPHE,
+	KEY_K, KEY_SEMICOLON, KEY_BACKSLASH, KEY_COMMA, KEY_SLASH, KEY_N, KEY_M, KEY_DOT,
+	KEY_TAB, KEY_SPACE, KEY_GRAVE, KEY_DELETE, 0, 0, 0, KEY_LEFTMETA,
+	KEY_LEFTSHIFT, KEY_CAPSLOCK, KEY_LEFTALT, KEY_LEFTCTRL, KEY_RIGHTSHIFT, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	KEY_LEFT, KEY_RIGHT, KEY_DOWN, KEY_UP, 0
+};
+
+static char *nkbd_name = "Newton Keyboard";
+
+struct nkbd {
+	unsigned char keycode[128];
+	struct input_dev dev;
+	struct serio *serio;
+	char phys[32];
+};
+
+void nkbd_interrupt(struct serio *serio, unsigned char data, unsigned int flags)
+{
+	struct nkbd *nkbd = serio->private;
+
+	/* invalid scan codes are probably the init sequence, so we ignore them */
+	if (nkbd->keycode[data & NKBD_KEY])
+		input_report_key(&nkbd->dev, nkbd->keycode[data & NKBD_KEY], data & NKBD_PRESS);
+
+	else if (data == 0xe7) /* end of init sequence */
+		printk(KERN_INFO "input: %s on %s\n", nkbd_name, serio->phys);
+}
+
+void nkbd_connect(struct serio *serio, struct serio_dev *dev)
+{
+	struct nkbd *nkbd;
+	int i;
+
+	if (serio->type != (SERIO_RS232 | SERIO_NEWTON))
+		return;
+
+	if (!(nkbd = kmalloc(sizeof(struct nkbd), GFP_KERNEL)))
+		return;
+
+	memset(nkbd, 0, sizeof(struct nkbd));
+
+	nkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+
+	nkbd->serio = serio;
+
+	nkbd->dev.keycode = nkbd->keycode;
+	nkbd->dev.private = nkbd;
+
+	serio->private = nkbd;
+
+	if (serio_open(serio, dev)) {
+		kfree(nkbd);
+		return;
+	}
+
+	memcpy(nkbd->keycode, nkbd_keycode, sizeof(nkbd->keycode));
+	for (i = 0; i < 128; i++)
+		set_bit(nkbd->keycode[i], nkbd->dev.keybit);
+	clear_bit(0, nkbd->dev.keybit);
+
+	sprintf(nkbd->phys, "%s/input0", serio->phys);
+
+	nkbd->dev.name = nkbd_name;
+	nkbd->dev.phys = nkbd->phys;
+	nkbd->dev.idbus = BUS_RS232;
+	nkbd->dev.idvendor = SERIO_NEWTON;
+	nkbd->dev.idproduct = 0x0001;
+	nkbd->dev.idversion = 0x0100;
+
+	input_register_device(&nkbd->dev);
+
+	printk(KERN_INFO "input: %s on %s\n", nkbd_name, serio->phys);
+}
+
+void nkbd_disconnect(struct serio *serio)
+{
+	struct nkbd *nkbd = serio->private;
+	input_unregister_device(&nkbd->dev);
+	serio_close(serio);
+	kfree(nkbd);
+}
+
+struct serio_dev nkbd_dev = {
+	interrupt:	nkbd_interrupt,
+	connect:	nkbd_connect,
+	disconnect:	nkbd_disconnect
+};
+
+int __init nkbd_init(void)
+{
+	serio_register_device(&nkbd_dev);
+	return 0;
+}
+
+void __exit nkbd_exit(void)
+{
+	serio_unregister_device(&nkbd_dev);
+}
+
+module_init(nkbd_init);
+module_exit(nkbd_exit);