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      1 /*	$NetBSD: at91piovar.h,v 1.3 2025/08/10 19:49:39 andvar Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2007 Embedtronics Oy. All rights reserved.
      5  *
      6  * Based on arch/arm/ep93xx/epgpiovar.h
      7  * Copyright (c) 2005 HAMAJIMA Katsuomi. All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #ifndef	_AT91PIOVAR_H_
     32 #define	_AT91PIOVAR_H_
     33 
     34 typedef enum {
     35   AT91_PIOA,
     36   AT91_PIOB,
     37   AT91_PIOC,
     38   AT91_PIOD,
     39   AT91_PIOE,
     40   AT91_PIOF,
     41   AT91_PIOG,
     42   AT91_PIOH,
     43   AT91_PIO_COUNT,
     44   AT91_PIO_INVALID = AT91_PIO_COUNT
     45 } at91pio_port;
     46 
     47 struct at91pio_softc;
     48 
     49 struct at91pio_softc *at91pio_sc(at91pio_port);
     50 
     51 int at91pio_read(struct at91pio_softc *, int bit);
     52 void at91pio_set(struct at91pio_softc *, int bit);
     53 void at91pio_clear(struct at91pio_softc *, int bit);
     54 void at91pio_in(struct at91pio_softc *, int bit);
     55 void at91pio_out(struct at91pio_softc *, int bit);
     56 void at91pio_per(struct at91pio_softc *, int bit, int perab);
     57 
     58 void *at91pio_intr_establish(struct at91pio_softc *,int bit,
     59 			       int ipl, int (*)(void *), void *);
     60 void at91pio_intr_disestablish(struct at91pio_softc *,int bit,
     61 				 void *cookie);
     62 
     63 struct at91pio_attach_args {
     64 	struct at91pio_softc	*paa_sc;
     65 	bus_space_tag_t		paa_iot;	/* Bus tag	*/
     66 	bus_addr_t		paa_addr;	/* i/o address	*/
     67 	int			paa_pid;	/* peripheral id */
     68 	int			paa_bit;	/* pin number	*/
     69 };
     70 
     71 #endif	/* _AT91PIOVAR_H_ */
     72