sys/arch/alpha/jensenio/jenseniovar.h

   1 /* $NetBSD: jenseniovar.h,v 1.3 2005/12/11 12:16:17 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _ALPHA_JENSENIO_JENSENIOVAR_H_
  33 #define _ALPHA_JENSENIO_JENSENIOVAR_H_
  34
  35 /*
  36  * Arguments used to attach devices to the Jensen I/O bus.
  37  */
  38 struct jensenio_attach_args {
  39         union {
  40                 struct eisabus_attach_args jaun_eisa;
  41                 struct isabus_attach_args jaun_isa;
  42         } ja_un;
  43
  44         const char *ja_name;
  45         bus_addr_t ja_ioaddr;           /* I/O space address */
  46         int ja_irq[2];                  /* Jensen IRQs */
  47
  48 /* For attaching busses. */
  49 #define ja_eisa         ja_un.jaun_eisa
  50 #define ja_isa          ja_un.jaun_isa
  51
  52 /* For attaching built-in devices. */
  53 #define ja_iot          ja_eisa.eba_iot
  54 #define ja_ec           ja_eisa.eba_ec
  55 };
  56
  57 /*
  58  * The Jensen I/O bus configuration.
  59  *
  60  * All of the information that the chipset-specific functions need to
  61  * do their dirty work (and more!)
  62  */
  63 struct jensenio_config {
  64         int     jc_initted;
  65
  66         struct alpha_bus_space jc_internal_iot, jc_eisa_iot, jc_eisa_memt;
  67         struct alpha_eisa_chipset jc_ec;
  68         struct alpha_isa_chipset jc_ic;
  69
  70         struct alpha_bus_dma_tag jc_dmat_eisa, jc_dmat_isa;
  71
  72         struct extent *jc_io_ex, *jc_s_mem_ex;
  73
  74         int     jc_mallocsafe;
  75 };
  76
  77 void    jensenio_init(struct jensenio_config *, int);
  78 void    jensenio_bus_io_init(bus_space_tag_t, void *);
  79 void    jensenio_bus_intio_init(bus_space_tag_t, void *);
  80 void    jensenio_bus_mem_init(bus_space_tag_t, void *);
  81 void    jensenio_intr_init(struct jensenio_config *);
  82 void    jensenio_dma_init(struct jensenio_config *);
  83 #endif /* _ALPHA_JENSENIO_JENSENIOVAR_H_ */