Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f35d0616 authored by Marek Vasut's avatar Marek Vasut Committed by Dmitry Torokhov
Browse files

Input: add driver for stowaway serial keyboards 



Add support for stowaway and stowaway compatible (eg. dicota inutPDA)
serial keyboards. Reported to work on palm zire71 and palm tungsten T3.

Signed-off-by: default avatarMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 0612ec48

drivers/input/keyboard/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -121,6 +121,17 @@ config KEYBOARD_NEWTON 
	  To compile this driver as a module, choose M here: the

	  module will be called newtonkbd.



config KEYBOARD_STOWAWAY

	tristate "Stowaway keyboard"

	select SERIO

	help

	  Say Y here if you have a Stowaway keyboard on a serial port.

	  Stowaway compatible keyboards like Dicota Input-PDA keyboard

	  are also supported by this driver.



	  To compile this driver as a module, choose M here: the

	  module will be called stowaway.



config KEYBOARD_CORGI

	tristate "Corgi keyboard"

	depends on PXA_SHARPSL

drivers/input/keyboard/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o 
obj-$(CONFIG_KEYBOARD_AMIGA)		+= amikbd.o

obj-$(CONFIG_KEYBOARD_LOCOMO)		+= locomokbd.o

obj-$(CONFIG_KEYBOARD_NEWTON)		+= newtonkbd.o

obj-$(CONFIG_KEYBOARD_STOWAWAY)		+= stowaway.o

obj-$(CONFIG_KEYBOARD_CORGI)		+= corgikbd.o

obj-$(CONFIG_KEYBOARD_SPITZ)		+= spitzkbd.o

obj-$(CONFIG_KEYBOARD_HIL)		+= hil_kbd.o

drivers/input/keyboard/stowaway.c

0 → 100644
+187 −0
Original line number Diff line number Diff line 
/*

 * Stowaway keyboard driver for Linux

 */



/*

 *  Copyright (c) 2006 Marek Vasut

 *

 *  Based on Newton keyboard driver for Linux

 *  by Justin Cormack

 */



/*

 * 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 <marek.vasut@gmail.com>, or by paper mail:

 * Marek Vasut, Liskovecka 559, Frydek-Mistek, 738 01 Czech Republic

 */



#include <linux/slab.h>

#include <linux/module.h>

#include <linux/input.h>

#include <linux/init.h>

#include <linux/serio.h>



#define DRIVER_DESC	"Stowaway keyboard driver"



MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");

MODULE_DESCRIPTION(DRIVER_DESC);

MODULE_LICENSE("GPL");



#define SKBD_KEY_MASK	0x7f

#define SKBD_RELEASE	0x80



static unsigned char skbd_keycode[128] = {

	KEY_1, KEY_2, KEY_3, KEY_Z, KEY_4, KEY_5, KEY_6, KEY_7,

	0, KEY_Q, KEY_W, KEY_E, KEY_R, KEY_T, KEY_Y, KEY_GRAVE,

	KEY_X, KEY_A, KEY_S, KEY_D, KEY_F, KEY_G, KEY_H, KEY_SPACE,

	KEY_CAPSLOCK, KEY_TAB, KEY_LEFTCTRL, 0, 0, 0, 0, 0,

	0, 0, 0, KEY_LEFTALT, 0, 0, 0, 0,

	0, 0, 0, 0, KEY_C, KEY_V, KEY_B, KEY_N,

	KEY_MINUS, KEY_EQUAL, KEY_BACKSPACE, KEY_HOME, KEY_8, KEY_9, KEY_0, KEY_ESC,

	KEY_LEFTBRACE, KEY_RIGHTBRACE, KEY_BACKSLASH, KEY_END, KEY_U, KEY_I, KEY_O, KEY_P,

	KEY_APOSTROPHE, KEY_ENTER, KEY_PAGEUP,0, KEY_J, KEY_K, KEY_L, KEY_SEMICOLON,

	KEY_SLASH, KEY_UP, KEY_PAGEDOWN, 0,KEY_M, KEY_COMMA, KEY_DOT, KEY_INSERT,

	KEY_DELETE, KEY_LEFT, KEY_DOWN, KEY_RIGHT,  0, 0, 0,

	KEY_LEFTSHIFT, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0,

	0, 0, 0, 0, 0, 0, 0, 0,

	0, 0, 0, 0, 0, 0, 0, 0,

	0, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7,

	KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_F12, 0, 0, 0

};



struct skbd {

	unsigned char keycode[128];

	struct input_dev *dev;

	struct serio *serio;

	char phys[32];

};



static irqreturn_t skbd_interrupt(struct serio *serio, unsigned char data,

				  unsigned int flags, struct pt_regs *regs)

{

	struct skbd *skbd = serio_get_drvdata(serio);

	struct input_dev *dev = skbd->dev;



	if (skbd->keycode[data & SKBD_KEY_MASK]) {

		input_regs(dev, regs);

		input_report_key(dev, skbd->keycode[data & SKBD_KEY_MASK],

				 !(data & SKBD_RELEASE));

		input_sync(dev);

	}



	return IRQ_HANDLED;

}



static int skbd_connect(struct serio *serio, struct serio_driver *drv)

{

	struct skbd *skbd;

	struct input_dev *input_dev;

	int err = -ENOMEM;

	int i;



	skbd = kzalloc(sizeof(struct skbd), GFP_KERNEL);

	input_dev = input_allocate_device();

	if (!skbd || !input_dev)

		goto fail1;



	skbd->serio = serio;

	skbd->dev = input_dev;

	snprintf(skbd->phys, sizeof(skbd->phys), "%s/input0", serio->phys);

	memcpy(skbd->keycode, skbd_keycode, sizeof(skbd->keycode));



	input_dev->name = "Stowaway Keyboard";

	input_dev->phys = skbd->phys;

	input_dev->id.bustype = BUS_RS232;

	input_dev->id.vendor = SERIO_STOWAWAY;

	input_dev->id.product = 0x0001;

	input_dev->id.version = 0x0100;

	input_dev->cdev.dev = &serio->dev;

	input_dev->private = skbd;



	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);

	input_dev->keycode = skbd->keycode;

	input_dev->keycodesize = sizeof(unsigned char);

	input_dev->keycodemax = ARRAY_SIZE(skbd_keycode);

	for (i = 0; i < ARRAY_SIZE(skbd_keycode); i++)

		set_bit(skbd_keycode[i], input_dev->keybit);

	clear_bit(0, input_dev->keybit);



	serio_set_drvdata(serio, skbd);



	err = serio_open(serio, drv);

	if (err)

		goto fail2;



	err = input_register_device(skbd->dev);

	if (err)

		goto fail3;



	return 0;



 fail3: serio_close(serio);

 fail2:	serio_set_drvdata(serio, NULL);

 fail1:	input_free_device(input_dev);

	kfree(skbd);

	return err;

}



static void skbd_disconnect(struct serio *serio)

{

	struct skbd *skbd = serio_get_drvdata(serio);



	serio_close(serio);

	serio_set_drvdata(serio, NULL);

	input_unregister_device(skbd->dev);

	kfree(skbd);

}



static struct serio_device_id skbd_serio_ids[] = {

	{

		.type	= SERIO_RS232,

		.proto	= SERIO_STOWAWAY,

		.id	= SERIO_ANY,

		.extra	= SERIO_ANY,

	},

	{ 0 }

};



MODULE_DEVICE_TABLE(serio, skbd_serio_ids);



static struct serio_driver skbd_drv = {

	.driver		= {

		.name	= "stowaway",

	},

	.description	= DRIVER_DESC,

	.id_table	= skbd_serio_ids,

	.interrupt	= skbd_interrupt,

	.connect	= skbd_connect,

	.disconnect	= skbd_disconnect,

};



static int __init skbd_init(void)

{

	serio_register_driver(&skbd_drv);

	return 0;

}



static void __exit skbd_exit(void)

{

	serio_unregister_driver(&skbd_drv);

}



module_init(skbd_init);

module_exit(skbd_exit);