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/*
* keybdev.c Version 0.1
*
* Copyright (c) 1999 Vojtech Pavlik
*
* Input driver to keyboard driver binding.
*
* Sponsored by SuSE
*/
/*
* 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@suse.cz>, or by paper mail:
* Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
*/
#include <linux/config.h>
#include <linux/kbd_ll.h>
#include <linux/input.h>
#include <linux/malloc.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kbd_kern.h>
#if defined(CONFIG_X86) || defined(CONFIG_IA64)
static unsigned char keybdev_x86_e0s[] =
{ 0x1c, 0x1d, 0x35, 0x2a, 0x38, 0x39, 0x47, 0x48,
0x49, 0x4b, 0x4d, 0x4f, 0x50, 0x51, 0x52, 0x53,
0x26, 0x25, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x00,
0x23, 0x24, 0x25, 0x26, 0x27 };
#elif CONFIG_ADB_KEYBOARD
static unsigned char keybdev_mac_codes[256] =
{ 0, 53, 18, 19, 20, 21, 23, 22, 26, 28, 25, 29, 27, 24, 51, 48,
12, 13, 14, 15, 17, 16, 32, 34, 31, 35, 33, 30, 36, 54,128, 1,
2, 3, 5, 4, 38, 40, 37, 41, 39, 50, 56, 42, 6, 7, 8, 9,
11, 45, 46, 43, 47, 44,123, 67, 58, 49, 57,122,120, 99,118, 96,
97, 98,100,101,109, 71,107, 89, 91, 92, 78, 86, 87, 88, 69, 83,
84, 85, 82, 65, 42, 0, 10,103,111, 0, 0, 0, 0, 0, 0, 0,
76,125, 75,105,124, 0,115, 62,116, 59, 60,119, 61,121,114,117,
0, 0, 0, 0,127, 81, 0,113, 0, 0, 0, 0, 0, 55, 55 };
#endif
static struct input_handler keybdev_handler;
static int keybdev_alt = 0;
void keybdev_ledfunc(unsigned int led)
{
struct input_handle *handle;
for (handle = keybdev_handler.handle; handle; handle = handle->hnext) {
input_event(handle->dev, EV_LED, LED_SCROLLL, !!(led & 0x01));
input_event(handle->dev, EV_LED, LED_NUML, !!(led & 0x02));
input_event(handle->dev, EV_LED, LED_CAPSL, !!(led & 0x04));
}
}
void keybdev_event(struct input_handle *handle, unsigned int type, unsigned int code, int down)
{
if (type != EV_KEY || code > 255) return;
#if defined(CONFIG_X86) || defined(CONFIG_IA64)
if (code >= 189) {
printk(KERN_WARNING "keybdev.c: can't emulate keycode %d\n", code);
return;
} else if (code >= 162) {
handle_scancode(0xe0, 1);
handle_scancode(code - 161, down);
} else if (code >= 125) {
handle_scancode(0xe0, 1);
handle_scancode(code - 34, down);
} else if (code == 119) {
handle_scancode(0xe1, 1);
handle_scancode(0x1d, down);
handle_scancode(0x45, down);
} else if (code >= 96) {
if (code == 99 && keybdev_alt) {
handle_scancode(84, down);
} else {
handle_scancode(0xe0, 1);
handle_scancode(keybdev_x86_e0s[code - 96], down);
if (code == 99) {
handle_scancode(0xe0, 1);
handle_scancode(0x37, down);
}
}
} else if (code == 84) {
handle_scancode(43, down);
} else handle_scancode(code, down);
if (code == 56 || code == 100) keybdev_alt = down;
#elif CONFIG_ADB_KEYBOARD
if (code < 128 && keybdev_mac_codes[code])
handle_scancode(keybdev_mac_codes[code] & 0x7f, down);
else
printk(KERN_WARNING "keybdev.c: can't emulate keycode %d\n", code);
#else
#error "Cannot generate rawmode keyboard for your architecture yet."
#endif
tasklet_schedule(&keyboard_tasklet);
}
static int keybdev_connect(struct input_handler *handler, struct input_dev *dev)
{
struct input_handle *handle;
int i;
if (!test_bit(EV_KEY, dev->evbit))
return -1;
for (i = KEY_RESERVED; i < BTN_MISC; i++)
if (test_bit(i, dev->keybit)) break;
if (i == BTN_MISC)
return -1;
if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
return -1;
memset(handle, 0, sizeof(struct input_handle));
handle->dev = dev;
handle->handler = handler;
input_open_device(handle);
printk("keybdev.c: Adding keyboard: input%d\n", dev->number);
return 0;
}
static void keybdev_disconnect(struct input_handle *handle)
{
printk("keybdev.c: Removing keyboard: input%d\n", handle->dev->number);
input_close_device(handle);
kfree(handle);
}
static struct input_handler keybdev_handler = {
event: keybdev_event,
connect: keybdev_connect,
disconnect: keybdev_disconnect,
};
static int __init keybdev_init(void)
{
input_register_handler(&keybdev_handler);
kbd_ledfunc = keybdev_ledfunc;
return 0;
}
static void __exit keybdev_exit(void)
{
kbd_ledfunc = NULL;
input_unregister_handler(&keybdev_handler);
}
module_init(keybdev_init);
module_exit(keybdev_exit);
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