* Acess2
* PS2 Keyboard Driver
*/
-#include <common.h>
+#include <acess.h>
#include <modules.h>
#include <fs_devfs.h>
#include <tpl_drv_common.h>
// === CONSTANTS ===
#define KB_BUFFER_SIZE 1024
+#define USE_KERNEL_MAGIC 1
// === IMPORTS ===
void Threads_Dump();
*/
int KB_Install(char **Arguments)
{
+ Uint8 temp;
+
+ // Attempt to get around a strange bug in Bochs/Qemu by toggling
+ // the controller on and off
+ temp = inb(0x61);
+ outb(0x61, temp | 0x80);
+ outb(0x61, temp & 0x7F);
+
IRQ_AddHandler(1, KB_IRQHandler);
DevFS_AddDevice( &gKB_DevInfo );
- return 1;
+ //Log("KB_Install: Installed");
+ return MODULE_ERR_OK;
}
/**
// int keyNum;
//if( inportb(0x64) & 0x20 ) return;
-
+
scancode = inb(0x60); // Read from the keyboard's data buffer
+ Log_Debug("KB", "scancode = %02x");
+
+ //Log("KB_IRQHandler: scancode = 0x%02x", scancode);
// Ignore ACKs
if(scancode == 0xFA) {
// Oh man! This is anachic (I'm leaving it here to represent the
- // mess that acess once was
+ // mess that Acess once was)
//kb_lastChar = KB_ACK;
return;
}
-
+
// Layer +1
if(scancode == 0xE0) {
giKB_KeyLayer = 1;
giKB_KeyLayer = 2;
return;
}
-
+
#if KB_ALT_SCANCODES
if(scancode == 0xF0)
{
gbKB_KeyUp = 1;
}
#endif
-
+
// Translate
ch = gpKB_Map[giKB_KeyLayer][scancode];
//keyNum = giKB_KeyLayer * 256 + scancode;
// Check for unknown key
if(!ch && !gbKB_KeyUp)
Warning("UNK %i %x", giKB_KeyLayer, scancode);
-
+
// Key Up?
if (gbKB_KeyUp)
{
gbKB_KeyUp = 0;
gbaKB_States[giKB_KeyLayer][scancode] = 0; // Unset key state flag
-
+
#if USE_KERNEL_MAGIC
if(ch == KEY_LCTRL) gbKB_MagicState &= ~1;
if(ch == KEY_LALT) gbKB_MagicState &= ~2;
#endif
-
+
if(ch == KEY_LSHIFT) gbKB_ShiftState &= ~1;
if(ch == KEY_RSHIFT) gbKB_ShiftState &= ~2;
-
+
// Call callback
if(ch != 0 && gKB_Callback)
gKB_Callback( ch & 0x80000000 );
-
+
// Reset Layer
giKB_KeyLayer = 0;
return;
// Set shift key bits
if(ch == KEY_LSHIFT) gbKB_ShiftState |= 1;
if(ch == KEY_RSHIFT) gbKB_ShiftState |= 2;
-
+
// Check for Caps Lock
if(ch == KEY_CAPSLOCK) {
gbKB_CapsState = !gbKB_CapsState;
KB_UpdateLEDs();
}
-
+
// Reset Layer
giKB_KeyLayer = 0;
// Ignore Non-Printable Characters
if(ch == 0) return;
-
+
// --- Check for Kernel Magic Combos
#if USE_KERNEL_MAGIC
- if(ch == KEY_LCTRL) gbKB_MagicState |= 1;
- if(ch == KEY_LALT) gbKB_MagicState |= 2;
+ if(ch == KEY_LCTRL) {
+ gbKB_MagicState |= 1;
+ Log_Log("KB", "Kernel Magic LCTRL Down\n");
+ }
+ if(ch == KEY_LALT) {
+ gbKB_MagicState |= 2;
+ Log_Log("KB", "Kernel Magic LALT Down\n");
+ }
if(gbKB_MagicState == 3)
{
switch(ch)
}
}
#endif
-
+
// Is shift pressed
// - Darn ugly hacks !(!x) means (bool)x
if( !(!gbKB_ShiftState) ^ gbKB_CapsState)
break;
}
}
-
+
if(gKB_Callback && ch != 0) gKB_Callback(ch);
}
void KB_UpdateLEDs()
{
Uint8 leds;
-
+
leds = (gbKB_CapsState ? 4 : 0);
-
+
while( inb(0x64) & 2 ); // Wait for bit 2 to unset
outb(0x60, 0xED); // Send update command
-
+
while( inb(0x64) & 2 ); // Wait for bit 2 to unset
outb(0x60, leds);
}
case DRV_IOCTL_IDENT: memcpy(Data, "KB\0\0", 4); return 1;
case DRV_IOCTL_VERSION: return 0x100;
case DRV_IOCTL_LOOKUP: return 0;
-
+
// Sets the Keyboard Callback
case KB_IOCTL_SETCALLBACK:
// Sanity Check
// Set Callback
gKB_Callback = Data;
return 1;
-
+
default:
return 0;
}