Major libk restructuring, also rewrote drivers/serial.h

libk/include/drivers/timer.h

@@ -0,0 +1,14 @@
+#ifndef _DRIVERS_TIMER_H
+#define _DRIVERS_TIMER_H
+
+#include <cpu/isr.h>
+#include <stdint.h>
+
+#define CHANNEL_0 0x40 // Offset it by 1 or 2 for ch1 and ch2
+#define COMMAND   0x43
+#define INPUT_CLK 1193182
+
+void timerHandler(intFrame_t*);
+void setPitPhase(uint8_t channel, uint8_t opMode, uint16_t hz);
+
+#endif