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      1 /*	$NetBSD: hpciovar.h,v 1.6 2005/12/11 12:21:22 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 TAKEMURA Shin.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the project nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  */
     32 
     33 #ifndef _DEV_HPC_HPCIOVAR_H_
     34 #define _DEV_HPC_HPCIOVAR_H_
     35 
     36 struct hpcio_chip;
     37 typedef struct hpcio_chip *hpcio_chip_t;
     38 typedef void *hpcio_intr_handle_t;
     39 struct hpcio_chip {
     40 	int hc_chipid;
     41 	const char *hc_name;
     42 	void *hc_sc;
     43 	int (*hc_portread)(hpcio_chip_t, int);
     44 	void (*hc_portwrite)(hpcio_chip_t, int, int);
     45 	hpcio_intr_handle_t(*hc_intr_establish)(hpcio_chip_t, int, int,
     46 	    int (*)(void *), void *);
     47 	void (*hc_intr_disestablish)(hpcio_chip_t, hpcio_intr_handle_t);
     48 	void (*hc_intr_clear)(hpcio_chip_t, hpcio_intr_handle_t);
     49 	void (*hc_register_iochip)(hpcio_chip_t, hpcio_chip_t);
     50 	void (*hc_update)(hpcio_chip_t);
     51 	void (*hc_dump)(hpcio_chip_t);
     52 };
     53 
     54 struct hpcio_attach_args {
     55 	const char *haa_busname;
     56 	void *haa_sc;
     57 	hpcio_chip_t (*haa_getchip)(void*, int);
     58 	bus_space_tag_t haa_iot;	/* I/O space tag */
     59 };
     60 #define HPCIO_BUSNAME	"hpcioif"
     61 
     62 #define hpcio_portread(hc, port)					\
     63 		((*(hc)->hc_portread)((hc), (port)))
     64 #define hpcio_portwrite(hc, port, data)					\
     65 		((*(hc)->hc_portwrite)((hc), (port), (data)))
     66 #define hpcio_intr_establish(hc, port, mode, func, arg)			\
     67 		((*(hc)->hc_intr_establish)((hc),(port),(mode),(func),(arg)))
     68 #define hpcio_intr_disestablish(hc, handle)				\
     69 		((*(hc)->hc_intr_disestablish)((hc), (handle)))
     70 #define hpcio_intr_clear(hc, handle)					\
     71 		((*(hc)->hc_intr_clear)((hc), (handle)))
     72 #define hpcio_register_iochip(hc, iochip)				\
     73 		((*(hc)->hc_register_iochip)((hc), (iochip)))
     74 #define hpcio_update(hc)						\
     75 		((*(hc)->hc_update)(hc))
     76 #define hpcio_dump(hc)							\
     77 		((*(hc)->hc_dump)(hc))
     78 
     79 /* interrupt trigger options. */
     80 #define HPCIO_INTR_EDGE		(1<<0)
     81 #define HPCIO_INTR_LEVEL	(0<<0)
     82 #define HPCIO_INTR_HOLD		(1<<1)
     83 #define HPCIO_INTR_THROUGH	(0<<1)
     84 #define HPCIO_INTR_HIGH		(1<<2)
     85 #define HPCIO_INTR_LOW		(0<<2)
     86 #define HPCIO_INTR_POSEDGE	(1<<3)
     87 #define HPCIO_INTR_NEGEDGE	(1<<4)
     88 
     89 #define HPCIO_INTR_LEVEL_HIGH_HOLD					\
     90 		(HPCIO_INTR_LEVEL|HPCIO_INTR_HIGH|HPCIO_INTR_HOLD)
     91 #define HPCIO_INTR_LEVEL_HIGH_THROUGH					\
     92 		(HPCIO_INTR_LEVEL|HPCIO_INTR_HIGH|HPCIO_INTR_THROUGH)
     93 #define HPCIO_INTR_LEVEL_LOW_HOLD					\
     94 		(HPCIO_INTR_LEVEL|HPCIO_INTR_LOW|HPCIO_INTR_HOLD)
     95 #define HPCIO_INTR_LEVEL_LOW_THROUGH					\
     96 		(HPCIO_INTR_LEVEL|HPCIO_INTR_LOW|HPCIO_INTR_THROUGH)
     97 #define HPCIO_INTR_EDGE_HOLD						\
     98 		(HPCIO_INTR_EDGE|HPCIO_INTR_HOLD)
     99 #define HPCIO_INTR_EDGE_THROUGH						\
    100 		(HPCIO_INTR_EDGE|HPCIO_INTR_THROUGH)
    101 
    102 #endif /* !_DEV_HPC_HPCIOVAR_H_ */
    103