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      1 /*	$NetBSD: ep93xxvar.h,v 1.7 2023/05/02 09:49:33 jmcneill Exp $ */
      2 /*
      3  * Copyright (c) 2004 Jesse Off
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
     19  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #ifndef _EP93XXVAR_H_
     29 #define _EP93XXVAR_H_
     30 
     31 #include <sys/conf.h>
     32 #include <sys/device.h>
     33 #include <sys/queue.h>
     34 
     35 #include <sys/bus.h>
     36 
     37 struct intrhand {
     38 	TAILQ_ENTRY(intrhand) ih_list;	/* link on intrq list */
     39 	int (*ih_func)(void *);		/* interrupt handler */
     40 	void *ih_arg;			/* arg for handler */
     41 	int ih_ipl;			/* IPL_* */
     42 	int ih_irq;			/* IRQ number */
     43 };
     44 
     45 #define	IRQNAMESIZE	sizeof("ep93xxintr irq xxx")
     46 
     47 struct intrq {
     48 	TAILQ_HEAD(, intrhand) iq_list;	/* handler list */
     49 	struct evcnt iq_ev;		/* event counter */
     50 	uint32_t iq_vic1_mask;		/* VIC1 IRQs to mask while handling */
     51 	uint32_t iq_vic2_mask;		/* VIC2 IRQs to mask while handling */
     52 	uint32_t iq_levels;		/* IPL_*'s this IRQ has */
     53 	char iq_name[IRQNAMESIZE];	/* interrupt name */
     54 	int iq_ist;			/* share type */
     55 };
     56 
     57 struct pmap_ent {
     58 	const char*	msg;
     59 	vaddr_t		va;
     60 	paddr_t		pa;
     61 	vsize_t		sz;
     62 	int		prot;
     63 	int		cache;
     64 };
     65 
     66 extern struct bus_space	ep93xx_bs_tag;
     67 extern struct arm32_bus_dma_tag ep93xx_bus_dma;
     68 
     69 void	ep93xx_intr_init(void);
     70 void	*ep93xx_intr_establish(int irq, int ipl, int (*)(void *), void *);
     71 void	ep93xx_intr_disestablish(void *);
     72 void	ep93xx_intr_evcnt_attach(void);
     73 /* Platform needs to provide this */
     74 bus_dma_tag_t ep93xx_bus_dma_init(struct arm32_bus_dma_tag *);
     75 void	ep93xx_reset(void);
     76 
     77 #endif /* _EP93XXVAR_H_ */
     78