/*
 * include/ubb/ubb.h - Access functions for the Universal Breakout Board
 *
 * Written 2012 by Werner Almesberger
 * Copyright 2012 Werner Almesberger
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef UBB_UBB_H
#define	UBB_UBB_H

#include <stdint.h>

#include <ubb/regbase.h>


#define	UBB_nPWR	(1 << 2)	/* PD02 */
#define	UBB_DAT2	(1 << 12)	/* PD12 */
#define	UBB_DAT3	(1 << 13)	/* PD13 */
#define	UBB_CMD		(1 << 8)	/* PD08 */
#define	UBB_CLK		(1 << 9)	/* PD09 */
#define	UBB_DAT0	(1 << 10)	/* PD10 */
#define	UBB_DAT1	(1 << 11)	/* PD11 */

#define	UBB_ALL_IO	(UBB_DAT2 | UBB_DAT3 | UBB_CMD | UBB_CLK | UBB_DAT0 | \
			UBB_DAT1)
#define	UBB_ALL		(UBB_nPWR | UBB_ALL_IO)

#define SET(mask)	PDDATS = (mask)
#define CLR(mask)	PDDATC = (mask)
#define OUT(mask)	PDDIRS = (mask)
#define IN(mask)	PDDIRC = (mask)
#define PIN(mask)	(!!(PDPIN & (mask)))


int ubb_open(uint32_t keep);
void ubb_power(int on);
void ubb_close(uint32_t keep);

#endif /* !UBB_UBB_H */