Add some comments to keyboard driver

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/keyboard.h b/drivers/keyboard.h
index a14c2c0..cac0cb0 100644
--- a/drivers/keyboard.h
+++ b/drivers/keyboard.h
@@ -3,6 +3,7 @@
 #include "idt.h"
 #include "ports.h"
 
+/* PS/2 Keyboard */
 class Keyboard : public InterruptHandler {
 public:
   Keyboard();
@@ -10,6 +11,11 @@ public:
   void trigger() override;
 
 private:
-  keyboard_comm_t commandport;
-  keyboard_data_t dataport;
+  /* 8042 PS/2 Controller Ports */
+  typedef Port<0x60, uint8_t> data_port_t;  // rw  data port
+  typedef Port<0x64, uint8_t> comm_port_t;  // r   status register
+                                            //  w  command register
+
+  data_port_t dataport;
+  comm_port_t commstatport;
 };