sys/arch/arm/ep93xx/ep93xxvar.h

   1 /*      $NetBSD: ep93xxvar.h,v 1.2 2005/12/11 12:16:45 christos 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 <machine/bus.h>
  36
  37 struct ep93xx_softc {
  38         struct device sc_dev;
  39         bus_space_tag_t sc_iot;
  40 };
  41
  42 struct intrhand {
  43         TAILQ_ENTRY(intrhand) ih_list;  /* link on intrq list */
  44         int (*ih_func)(void *);         /* interrupt handler */
  45         void *ih_arg;                   /* arg for handler */
  46         int ih_ipl;                     /* IPL_* */
  47         int ih_irq;                     /* IRQ number */
  48 };
  49
  50 #define IRQNAMESIZE     sizeof("ep93xxintr irq xxx")
  51
  52 struct intrq {
  53         TAILQ_HEAD(, intrhand) iq_list; /* handler list */
  54         struct evcnt iq_ev;             /* event counter */
  55         u_int32_t iq_vic1_mask;         /* VIC1 IRQs to mask while handling */
  56         u_int32_t iq_vic2_mask;         /* VIC2 IRQs to mask while handling */
  57         u_int32_t iq_levels;            /* IPL_*'s this IRQ has */
  58         char iq_name[IRQNAMESIZE];      /* interrupt name */
  59         int iq_ist;                     /* share type */
  60 };
  61
  62 struct pmap_ent {
  63         const char*     msg;
  64         vaddr_t         va;
  65         paddr_t         pa;
  66         vsize_t         sz;
  67         int             prot;
  68         int             cache;
  69 };
  70
  71 extern struct bus_space ep93xx_bs_tag;
  72 extern struct arm32_bus_dma_tag ep93xx_bus_dma;
  73
  74 void    ep93xx_attach(struct ep93xx_softc *);
  75 void    ep93xx_intr_init(void);
  76 void    *ep93xx_intr_establish(int irq, int ipl, int (*)(void *), void *);
  77 void    ep93xx_intr_disestablish(void *);
  78 /* Platform needs to provide this */
  79 bus_dma_tag_t ep93xx_bus_dma_init(struct arm32_bus_dma_tag *);
  80 void    ep93xx_reset(void);
  81
  82 #endif /* _EP93XXVAR_H_ */