#ifndef PS2_H
#define PS2_H

#include "libsys.h"

// --------------------------------------------------
// Types
// --------------------------------------------------
enum
{
	ps2_type_unknown = 0,
	ps2_type_keyb,
	ps2_type_mouse
};

typedef struct _sps2_if_t
{
	UINT32 type;
	volatile UINT32 *pCTRL;
	volatile UINT32 *pDATA;
} ps2_if_t;

// --------------------------------------------------
// Constants
// --------------------------------------------------
#define	PS2_MODULE_PREFIX	0x1000000
#define	PS2_SUCCESS			LSYS_SUCCESS
#define	PS2_ERROR			(LSYS_ERR_BASE | PS2_MODULE_PREFIX)
#define	PS2_ERR_TIMEOUT		(PS2_ERROR | 0x0000001)
#define	PS2_ERR_PS2_PREFIX	(PS2_ERROR | 0x0010000)

// --------------------------------------------------
// Functions
// --------------------------------------------------
UINT32 PS2_get_num_if(void);
ps2_if_t *PS2_get_if(UINT32 port);
UINT32 PS2_init(UINT32 port);
void PS2_byte_write(UINT32 port, UINT8 byte);
UINT32 PS2_byte_read(UINT32 port, UINT32 timeout_ms);
UINT32 PS2_cmd(UINT32 port, UINT8 cmd, UINT32 ack_timeout_ms);
void PS2_flush(UINT32 port);

#endif // PS2_H