Update of /cvsroot/linuxconsole/ruby/linux/drivers/input/keyboard
In directory usw-pr-cvs1:/tmp/cvs-serv26415
Added Files:
Tag: 1.10
amikbd.c
Log Message:
Moved.
--- NEW FILE: amikbd.c ---
/*
* $Id: amikbd.c,v 1.10 2002/01/24 19:22:46 vojtech Exp $
*
* Copyright (c) 2000-2001 Vojtech Pavlik
*
* Based on the work of:
* Hamish Macdonald
*/
/*
* Amiga keyboard driver for Linux/m68k
*/
/*
* 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 <vo...@uc...>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/input.h>
#include <asm/amigaints.h>
#include <asm/amigahw.h>
#include <asm/irq.h>
MODULE_AUTHOR("Vojtech Pavlik <vo...@uc...>");
MODULE_DESCRIPTION("Amiga keyboard driver");
MODULE_LICENSE("GPL");
static unsigned char amikbd_keycode[0x78] = {
0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 43, 0, 82,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 0, 79, 80, 81,
30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 0, 0, 75, 76, 77,
0, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 0, 83, 71, 72, 73,
57, 14, 15, 96, 28, 1,111, 0, 0, 0, 74, 0,103,108,106,105,
59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 98, 55, 78, 87,
42, 54, 58, 29, 56,100
}
static char *amikbd_messages[] = {
KERN_ALERT "amikbd: Ctrl-Amiga-Amiga reset warning!!\n",
KERN_WARNING "amikbd: keyboard lost sync\n",
KERN_WARNING "amikbd: keyboard buffer overflow\n",
KERN_WARNING "amikbd: keyboard controller failure\n",
KERN_ERR "amikbd: keyboard selftest failure\n",
KERN_INFO "amikbd: initiate power-up key stream\n",
KERN_INFO "amikbd: terminate power-up key stream\n",
KERN_WARNING "amikbd: keyboard interrupt\n"
};
static struct input_dev amikbd_dev;
static char *amikbd_name = "Amiga keyboard";
static char *amikbd_phys = "amikbd/input0";
static void amikbd_interrupt(int irq, void *dummy, struct pt_regs *fp)
{
unsigned char scancode, down;
scancode = ~ciaa.sdr; /* get and invert scancode (keyboard is active low) */
ciaa.cra |= 0x40; /* switch SP pin to output for handshake */
udelay(85); /* wait until 85 us have expired */
ciaa.cra &= ~0x40; /* switch CIA serial port to input mode */
scancode = scancode >> 1; /* lowest bit is release bit */
down = scancode & 1;
if (scancode < 0x78) { /* scancodes < 0x78 are keys */
scancode = amikbd_keycode[scancode];
if (scancode == KEY_CAPS) { /* CapsLock is a toggle switch key on Amiga */
input_report_key(&amikbd_dev, scancode, 1);
input_report_key(&amikbd_dev, scancode, 0);
return;
}
input_report_key(&amikbd_dev, scancode, down);
return;
}
printk(amikbd_messages[scancode]); /* scancodes >= 0x78 are error codes */
}
static int __init amikbd_init(void)
{
int i;
if (!AMIGAHW_PRESENT(AMI_KEYBOARD))
return -EIO;
amikbd_dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
amikbd_dev.keycode = amikbd_keycode;
for (i = 0; i < 0x78; i++)
if (amikbd_keycode[i])
set_bit(amikbd_keycode[i], amikbd_dev.keybit);
ciaa.cra &= ~0x41; /* serial data in, turn off TA */
request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd", NULL);
amikbd_dev.name = amikbd_name;
amikbd_dev.phys = amikbd_phys;
amikbd_dev.idbus = BUS_AMIGA;
amikbd_dev.idvendor = 0x0001;
amikbd_dev.idproduct = 0x0001;
amikbd_dev.idversion = 0x0100;
input_register_device(&amikbd_dev);
printk(KERN_INFO "input: %s\n", amikbd_name);
return 0;
}
static void __exit amikbd_exit(void)
{
input_unregister_device(&amikbd_dev);
free_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt);
}
module_init(amikbd_init);
module_exit(amikbd_exit);
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