5113f6f70
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/*
* atakbd.c
*
* Copyright (c) 2005 Michael Schmitz
*
* Based on amikbd.c, which is
*
* Copyright (c) 2000-2001 Vojtech Pavlik
*
* Based on the work of:
* Hamish Macdonald
*/
/*
* Atari keyboard driver for Linux/m68k
*
* The low level init and interrupt stuff is handled in arch/mm68k/atari/atakeyb.c
* (the keyboard ACIA also handles the mouse and joystick data, and the keyboard
* interrupt is shared with the MIDI ACIA so MIDI data also get handled there).
* This driver only deals with handing key events off to the input layer.
*/
/*
* 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/module.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <asm/atariints.h>
#include <asm/atarihw.h>
#include <asm/atarikb.h>
#include <asm/irq.h>
MODULE_AUTHOR("Michael Schmitz <schmitz@biophys.uni-duesseldorf.de>");
MODULE_DESCRIPTION("Atari keyboard driver");
MODULE_LICENSE("GPL");
/*
0x47: KP_7 71
0x48: KP_8 72
0x49: KP_9 73
0x62: KP_/ 98
0x4b: KP_4 75
0x4c: KP_5 76
0x4d: KP_6 77
0x37: KP_* 55
0x4f: KP_1 79
0x50: KP_2 80
0x51: KP_3 81
0x4a: KP_- 74
0x52: KP_0 82
0x53: KP_. 83
0x4e: KP_+ 78
0x67: Up 103
0x6c: Down 108
0x69: Left 105
0x6a: Right 106
*/
static unsigned char atakbd_keycode[0x72] = { /* American layout */
[0] = KEY_GRAVE,
[1] = KEY_ESC,
[2] = KEY_1,
[3] = KEY_2,
[4] = KEY_3,
[5] = KEY_4,
[6] = KEY_5,
[7] = KEY_6,
[8] = KEY_7,
[9] = KEY_8,
[10] = KEY_9,
[11] = KEY_0,
[12] = KEY_MINUS,
[13] = KEY_EQUAL,
[14] = KEY_BACKSPACE,
[15] = KEY_TAB,
[16] = KEY_Q,
[17] = KEY_W,
[18] = KEY_E,
[19] = KEY_R,
[20] = KEY_T,
[21] = KEY_Y,
[22] = KEY_U,
[23] = KEY_I,
[24] = KEY_O,
[25] = KEY_P,
[26] = KEY_LEFTBRACE,
[27] = KEY_RIGHTBRACE,
[28] = KEY_ENTER,
[29] = KEY_LEFTCTRL,
[30] = KEY_A,
[31] = KEY_S,
[32] = KEY_D,
[33] = KEY_F,
[34] = KEY_G,
[35] = KEY_H,
[36] = KEY_J,
[37] = KEY_K,
[38] = KEY_L,
[39] = KEY_SEMICOLON,
[40] = KEY_APOSTROPHE,
[41] = KEY_BACKSLASH, /* FIXME, '#' */
[42] = KEY_LEFTSHIFT,
[43] = KEY_GRAVE, /* FIXME: '~' */
[44] = KEY_Z,
[45] = KEY_X,
[46] = KEY_C,
[47] = KEY_V,
[48] = KEY_B,
[49] = KEY_N,
[50] = KEY_M,
[51] = KEY_COMMA,
[52] = KEY_DOT,
[53] = KEY_SLASH,
[54] = KEY_RIGHTSHIFT,
[55] = KEY_KPASTERISK,
[56] = KEY_LEFTALT,
[57] = KEY_SPACE,
[58] = KEY_CAPSLOCK,
[59] = KEY_F1,
[60] = KEY_F2,
[61] = KEY_F3,
[62] = KEY_F4,
[63] = KEY_F5,
[64] = KEY_F6,
[65] = KEY_F7,
[66] = KEY_F8,
[67] = KEY_F9,
[68] = KEY_F10,
[69] = KEY_ESC,
[70] = KEY_DELETE,
[71] = KEY_KP7,
[72] = KEY_KP8,
[73] = KEY_KP9,
[74] = KEY_KPMINUS,
[75] = KEY_KP4,
[76] = KEY_KP5,
[77] = KEY_KP6,
[78] = KEY_KPPLUS,
[79] = KEY_KP1,
[80] = KEY_KP2,
[81] = KEY_KP3,
[82] = KEY_KP0,
[83] = KEY_KPDOT,
[90] = KEY_KPLEFTPAREN,
[91] = KEY_KPRIGHTPAREN,
[92] = KEY_KPASTERISK, /* FIXME */
[93] = KEY_KPASTERISK,
[94] = KEY_KPPLUS,
[95] = KEY_HELP,
[96] = KEY_102ND,
[97] = KEY_KPASTERISK, /* FIXME */
[98] = KEY_KPSLASH,
[99] = KEY_KPLEFTPAREN,
[100] = KEY_KPRIGHTPAREN,
[101] = KEY_KPSLASH,
[102] = KEY_KPASTERISK,
[103] = KEY_UP,
[104] = KEY_KPASTERISK, /* FIXME */
[105] = KEY_LEFT,
[106] = KEY_RIGHT,
[107] = KEY_KPASTERISK, /* FIXME */
[108] = KEY_DOWN,
[109] = KEY_KPASTERISK, /* FIXME */
[110] = KEY_KPASTERISK, /* FIXME */
[111] = KEY_KPASTERISK, /* FIXME */
[112] = KEY_KPASTERISK, /* FIXME */
[113] = KEY_KPASTERISK /* FIXME */
};
static struct input_dev *atakbd_dev;
static void atakbd_interrupt(unsigned char scancode, char down)
{
if (scancode < 0x72) { /* scancodes < 0xf2 are keys */
// report raw events here?
scancode = atakbd_keycode[scancode];
if (scancode == KEY_CAPSLOCK) { /* CapsLock is a toggle switch key on Amiga */
input_report_key(atakbd_dev, scancode, 1);
input_report_key(atakbd_dev, scancode, 0);
input_sync(atakbd_dev);
} else {
input_report_key(atakbd_dev, scancode, down);
input_sync(atakbd_dev);
}
} else /* scancodes >= 0xf2 are mouse data, most likely */
printk(KERN_INFO "atakbd: unhandled scancode %x
", scancode);
return;
}
static int __init atakbd_init(void)
{
int i, error;
if (!MACH_IS_ATARI || !ATARIHW_PRESENT(ST_MFP))
return -ENODEV;
// need to init core driver if not already done so
error = atari_keyb_init();
if (error)
return error;
atakbd_dev = input_allocate_device();
if (!atakbd_dev)
return -ENOMEM;
atakbd_dev->name = "Atari Keyboard";
atakbd_dev->phys = "atakbd/input0";
atakbd_dev->id.bustype = BUS_HOST;
atakbd_dev->id.vendor = 0x0001;
atakbd_dev->id.product = 0x0001;
atakbd_dev->id.version = 0x0100;
atakbd_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
atakbd_dev->keycode = atakbd_keycode;
atakbd_dev->keycodesize = sizeof(unsigned char);
atakbd_dev->keycodemax = ARRAY_SIZE(atakbd_keycode);
for (i = 1; i < 0x72; i++) {
set_bit(atakbd_keycode[i], atakbd_dev->keybit);
}
/* error check */
error = input_register_device(atakbd_dev);
if (error) {
input_free_device(atakbd_dev);
return error;
}
atari_input_keyboard_interrupt_hook = atakbd_interrupt;
return 0;
}
static void __exit atakbd_exit(void)
{
atari_input_keyboard_interrupt_hook = NULL;
input_unregister_device(atakbd_dev);
}
module_init(atakbd_init);
module_exit(atakbd_exit);
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