support keyboard io

1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/include/ps2kbd.h b/drivers/include/ps2kbd.h
new file mode 100644
index 0000000..477882f
--- /dev/null
+++ b/drivers/include/ps2kbd.h
@@ -0,0 +1,19 @@
+/* this is both a PS/2 keyboard AND a PS/2 MOUSE driver */
+
+#include <stdint.h>
+
+#define PS2_SCROLL_LOCK (1 << 0)
+#define PS2_NUM_LOCK    (1 << 1)
+#define PS2_CAPS_LOCK   (1 << 2)
+
+#define BUTTON_UP (1 << 0)
+#define BUTTON_LEFT (1 << 1)
+#define BUTTON_DOWN (1 << 2)
+#define BUTTON_RIGHT (1 << 3)
+
+/* returns which arrow keys are down */
+uint8_t ps2kbd_button_get(void);
+
+void ps2kbd_set_leds(uint8_t status);
+
+void ps2kbd_init(void);