/*****************************************************************************************
Copyright (c) 2002-2004 The UbixOS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are
permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list of
conditions, the following disclaimer and the list of authors. Redistributions in binary
form must reproduce the above copyright notice, this list of conditions, the following
disclaimer and the list of authors in the documentation and/or other materials provided
with the distribution. Neither the name of the UbixOS Project nor the names of its
contributors may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
$Id$
*****************************************************************************************/
#include <isa/atkbd.h>
#include <isa/8259.h>
#include <sys/video.h>
#include <sys/idt.h>
#include <sys/gdt.h>
#include <sys/io.h>
#include <lib/kmalloc.h>
#include <lib/kprintf.h>
#include <ubixos/types.h>
#include <ubixos/sched.h>
#include <ubixos/endtask.h>
#include <ubixos/tty.h>
#include <ubixos/spinlock.h>
#include <ubixos/kpanic.h>
#include <ubixos/vitals.h>
static int atkbd_scan();
static unsigned int keyMap = 0x0;
static unsigned int ledStatus = 0x0;
static char stdinBuffer[512];
static uInt16 stdinSize;
static uInt32 controlKeys = 0x0;
static spinLock_t atkbdSpinLock = SPIN_LOCK_INITIALIZER;
static unsigned int keyboardMap[255][8] = {
/* Ascii, Shift, Ctrl, Alt, Num, Caps, Shift Caps, Shift Num */
{ 0, 0, 0, 0, 0, 0, 0, 0},
/* ESC */ { 0x1B, 0x1B, 0x1B, 0x1B, 0x1B, 0x1B, 0x1B, 0x1B},
/* 1,! */ { 0x31, 0x21, 0, 0, 0x31, 0x31, 0x21, 0x21},
/* 2,@ */ { 0x32, 0x40, 0, 0, 0x32, 0x32, 0x40, 0x40},
/* 3,# */ { 0x33, 0x23, 0, 0, 0x33, 0x33, 0x23, 0x23},
/* 4,$ */ { 0x34, 0x24, 0, 0, 0x34, 0x34, 0x24, 0x24},
/* 5,% */ { 0x35, 0x25, 0, 0, 0x35, 0x35, 0x25, 0x25},
/* 6,^ */ { 0x36, 0x5E, 0, 0, 0x36, 0x36, 0x5E, 0x5E},
/* 7,& */ { 0x37, 0x26, 0, 0, 0x37, 0x37, 0x26, 0x26},
/* 8,* */ { 0x38, 0x2A, 0, 0, 0x38, 0x38, 0x2A, 0x2A},
/* 9.( */ { 0x39, 0x28, 0, 0, 0x39, 0x39, 0x28, 0x28},
/* 0,) */ { 0x30, 0x29, 0, 0, 0x30, 0x30, 0x29, 0x29},
/* -,_ */ { 0x2D, 0x5F, 0, 0, 0x2D, 0x2D, 0x5F, 0x5F},
/* =,+ */ { 0x3D, 0x2B, 0, 0, 0x3D, 0x3D, 0x2B, 0x2B},
/* 14 */ { 0x08, 0x08, 0x8, 0x8, 0x08, 0x08, 0x08, 0x08},
/* 15 */ { 0x09, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x71, 0x51, 0, 0, 0, 0, 0, 0},
/* */ { 0x77, 0x57, 0, 0, 0, 0, 0, 0},
/* */ { 0x65, 0x45, 0, 0, 0, 0, 0, 0},
/* */ { 0x72, 0x52, 0, 0, 0, 0, 0, 0},
/* */ { 0x74, 0x54, 0, 0, 0, 0, 0, 0},
/* */ { 0x79, 0x59, 0, 0, 0, 0, 0, 0},
/* */ { 0x75, 0x55, 0, 0, 0, 0, 0, 0},
/* */ { 0x69, 0x49, 0, 0, 0, 0, 0, 0},
/* */ { 0x6F, 0x4F, 0, 0, 0, 0, 0, 0},
/* */ { 0x70, 0x50, 0, 0, 0, 0, 0, 0},
/* */ { 0x5B, 0x7B, 0, 0, 0, 0, 0, 0},
/* */ { 0x5D, 0x7D, 0, 0, 0, 0, 0, 0},
/* */ { 0x0A, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0, 0, 0, 0, 0, 0, 0, 0},
/* a,A */ { 0x61, 0x41, 0x41, 0, 0, 0, 0, 0},
/* */ { 0x73, 0x53, 0, 0, 0, 0, 0, 0},
/* */ { 0x64, 0x44, 0, 0, 0, 0, 0, 0},
/* */ { 0x66, 0x46, 0, 0, 0, 0, 0, 0},
/* */ { 0x67, 0x47, 0, 0, 0, 0, 0, 0},
/* */ { 0x68, 0x48, 0, 0, 0, 0, 0, 0},
/* */ { 0x6A, 0x4A, 0, 0, 0, 0, 0, 0},
/* */ { 0x6B, 0x4B, 0, 0, 0, 0, 0, 0},
/* */ { 0x6C, 0x4C, 0, 0, 0, 0, 0, 0},
/* */ { 0x3B, 0x3A, 0, 0, 0, 0, 0, 0},
/* */ { 0x27, 0x22, 0, 0, 0, 0, 0, 0},
/* */ { 0x60, 0x7E, 0, 0, 0, 0, 0, 0},
/* */ { 0x2A, 0x0, 0, 0, 0, 0, 0, 0},
/* */ { 0x5C, 0x3C, 0, 0, 0, 0, 0, 0},
/* */ { 0x7A, 0x5A, 0, 0, 0, 0, 0, 0},
/* */ { 0x78, 0x58, 0, 0, 0, 0, 0, 0},
/* c,C */ { 0x63, 0x43, 0x3, 0x9, 0, 0, 0, 0},
/* */ { 0x76, 0x56, 0, 0, 0, 0, 0, 0},
/* */ { 0x62, 0x42, 0, 0, 0, 0, 0, 0},
/* */ { 0x6E, 0x4E, 0, 0, 0, 0, 0, 0},
/* */ { 0x6D, 0x4D, 0, 0, 0, 0, 0, 0},
/* */ { 0x2C, 0x3C, 0, 0, 0, 0, 0, 0},
/* */ { 0x2E, 0x3E, 0, 0, 0, 0, 0, 0},
/* */ { 0x2F, 0x3F, 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},
/* */ { 0x20, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0, 0, 0, 0, 0, 0, 0, 0},
/* F1 */ { 0x3000, 0, 0, 0x3000, 0, 0, 0, 0},
/* */ { 0x3001, 0, 0, 0x3001, 0, 0, 0, 0},
/* */ { 0x3002, 0, 0, 0x3002, 0, 0, 0, 0},
/* */ { 0x3003, 0, 0, 0x3003, 0, 0, 0, 0},
/* */ { 0x3004, 0, 0, 0x3004, 0, 0, 0, 0},
/* */ { 0x4000, 0, 0, 0x3005, 0, 0, 0, 0},
/* */ { 0x4100, 0, 0, 0x3006, 0, 0, 0, 0},
/* */ { 0x4200, 0, 0, 0x3007, 0, 0, 0, 0},
/* */ { 0x4300, 0, 0, 0x3008, 0, 0, 0, 0},
/* */ { 0x4400, 0, 0, 0x3009, 0, 0, 0, 0},
/* */ { 0, 0, 0, 0x3010, 0, 0, 0, 0},
/* */ { 0, 0, 0, 0x3011, 0, 0, 0, 0},
/* */ { 0x4700, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x4800, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x4900, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x2D, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x4B00, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x4C00, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x4D00, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x2B, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x4F00, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x5000, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x5100, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x5200, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0x5300, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0, 0, 0, 0, 0, 0, 0, 0},
/* */ { 0, 0, 0, 0, 0, 0, 0, 0}
};
/************************************************************************
Function: int atkbd_init
Description: This function is used to turn on the keyboard
Notes:
02/20/2004 - Approved for quality
************************************************************************/
int atkbd_init() {
/* Insert the IDT vector for the keyboard handler */
setVector(&atkbd_isr, mVec+0x1, dPresent + dInt + dDpl0);
/* Set the LEDS to their defaults */
setLED();
/* Clear Keyboard */
atkbd_scan();
/* Turn on the keyboard vector */
irqEnable(0x1);
/* Print out information on keyboard */
kprintf("atkbd0 - Address: [0x%X], Keyboard Buffer: [0x%X], Buffer Size [%i]\n",&atkbd_isr,&stdinBuffer,512);
/* Return so we know everything went well */
return(0x0);
}
/*
* 2-23-2004 mji I think the pusha/popa should be pushal/popal
*/
asm(
".globl atkbd_isr \n"
"atkbd_isr: \n"
" pusha \n" /* Save all registers */
" push %ss \n"
" push %ds \n"
" push %es \n"
" push %fs \n"
" push %gs \n"
" call keyboardHandler \n"
" mov $0x20,%dx \n"
" mov $0x20,%ax \n"
" outb %al,%dx \n"
" pop %gs \n"
" pop %fs \n"
" pop %es \n"
" pop %ds \n"
" pop %ss \n"
" popa \n"
" iret \n" /* Exit interrupt */
);
static int atkbd_scan() {
int code = 0x0;
int val = 0x0;
code = inportByte(0x60);
val = inportByte(0x61);
outportByte(0x61,val | 0x80);
outportByte(0x61,val);
return(code);
}
void keyboardHandler() {
int key = 0x0;
if (!spinTryLock(&atkbdSpinLock))
return;
key = atkbd_scan();
if (key > 255)
return;
/* Control Key */
if (key == 0x1D && !(controlKeys & controlKey)) {
controlKeys |= controlKey;
}
if (key == 0x80 + 0x1D) {
controlKeys &= (0xFF - controlKey);
}
/* ALT Key */
if (key == 0x38 && !(controlKeys & altKey)) {
controlKeys |= altKey;
}
if (key == 0x80 + 0x38) {
controlKeys &= (0xFF - altKey);
}
/* Shift Key */
if ((key == 0x2A || key == 0x36) && !(controlKeys & shiftKey)) {
controlKeys |= shiftKey;
}
if ((key == 0x80 + 0x2A) || (key == 0x80 + 0x36)) {
controlKeys &= (0xFF - shiftKey);
}
/* Caps Lock */
if (key == 0x3A) {
ledStatus ^= ledCapslock;
setLED();
}
/* Num Lock */
if (key == 0x45) {
ledStatus ^= ledNumlock;
setLED();
}
/* Scroll Lock */
if (key == 0x46) {
ledStatus ^= ledScrolllock;
setLED();
}
/* Pick Which Key Map */
if (controlKeys == 0) { keyMap = 0; }
else if (controlKeys == 1) { keyMap = 1; }
else if (controlKeys == 2) { keyMap = 2; }
else if (controlKeys == 4) { keyMap = 3; }
/* If Key Is Not Null Add It To Handler */
if (((uInt)(keyboardMap[key][keyMap]) > 0) && ((uInt32)(keyboardMap[key][keyMap]) < 0xFF)) {
switch ((uInt32)keyboardMap[key][keyMap]) {
case 8:
backSpace();
if (tty_foreground == 0x0) {
stdinBuffer[stdinSize] = keyboardMap[key][keyMap];
stdinSize++;
}
else {
tty_foreground->stdin[tty_foreground->stdinSize] = keyboardMap[key][keyMap];
tty_foreground->stdinSize++;
}
break;
case 0x3:
//if (tty_foreground != 0x0)
// endTask(tty_foreground->owner);
//K_PANIC("CTRL-C pressed\n");
kprintf("CTRL-C pressed\n");
kprintf("FreePages: [0x%X]\n",systemVitals->freePages);
break;
case 0x9:
kprintf("REBOOTING");
while(inportByte(0x64) & 0x02);
outportByte(0x64, 0xFE);
break;
default:
if (tty_foreground == 0x0) {
stdinBuffer[stdinSize] = keyboardMap[key][keyMap];
stdinSize++;
}
else {
tty_foreground->stdin[tty_foreground->stdinSize] = keyboardMap[key][keyMap];
tty_foreground->stdinSize++;
}
break;
}
}
else {
switch ((keyboardMap[key][keyMap] >> 8)) {
case 0x30:
#ifdef DEBUG
kprintf("Changing Consoles[0x%X:0x%X]\n",_current->id,_current);
#endif
tty_change(keyboardMap[key][keyMap] & 0xFF);
break;
default:
break;
}
}
/* Return */
spinUnlock(&atkbdSpinLock);
return;
}
void setLED() {
outportByte(0x60, 0xED);
while(inportByte(0x64) & 2);
outportByte(0x60, ledStatus);
while(inportByte(0x64) & 2);
}
/* Temp */
unsigned char getch() {
uInt8 retKey = 0x0;
uInt32 i = 0x0;
/*
if ((stdinSize <= 0) && (tty_foreground == 0x0)) {
sched_yield();
}
if ((tty_foreground != 0x0) && (tty_foreground->stdinSize <= 0x0)) {
sched_yield();
}
*/
/*
if (!spinTryLock(&atkbdSpinLock))
return(0x0);
*/
if (tty_foreground == 0x0) {
if (stdinSize == 0x0) {
// spinUnlock(&atkbdSpinLock);
return(0x0);
}
retKey = stdinBuffer[0];
stdinSize--;
for (i=0x0;i<stdinSize;i++) {
stdinBuffer[i] = stdinBuffer[i+0x1];
}
}
else {
if (tty_foreground->stdinSize == 0x0) {
// spinUnlock(&atkbdSpinLock);
return(0x0);
}
retKey = tty_foreground->stdin[0];
tty_foreground->stdinSize--;
for (i=0x0;i<tty_foreground->stdinSize;i++) {
tty_foreground->stdin[i] = tty_foreground->stdin[i+0x1];
}
}
//spinUnlock(&atkbdSpinLock);
return(retKey);
}
/***
END
***/
