sys/arch/sgimips/gio/giovar.h

   1 /*      $NetBSD: giovar.h,v 1.8 2006/12/29 00:41:11 rumble Exp $        */
   2
   3 /*
   4  * Copyright (c) 2000 Soren S. Jorvang
   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. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *          This product includes software developed for the
  18  *          NetBSD Project.  See http://www.NetBSD.org/ for
  19  *          information about NetBSD.
  20  * 4. The name of the author may not be used to endorse or promote products
  21  *    derived from this software without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33  */
  34
  35 /*
  36  * GIO 32/32-bis/64 bus
  37  */
  38
  39 #include <machine/bus.h>
  40
  41 struct giobus_attach_args {
  42         bus_space_tag_t gba_iot;
  43         bus_space_handle_t gba_ioh;
  44
  45 #define GIOBUS_GIO32    0
  46 #define GIOBUS_GIO32BIS 1
  47 #define GIOBUS_GIO64    2
  48         int             gba_type;
  49 };
  50
  51 struct gio_attach_args {
  52         bus_space_tag_t ga_iot;
  53         bus_space_handle_t ga_ioh;
  54         bus_dma_tag_t   ga_dmat;
  55
  56         int             ga_slot;        /* not valid if graphics */
  57         u_int32_t       ga_addr;
  58
  59         u_int32_t       ga_product;     /* not valid if graphics */
  60 };
  61
  62
  63 #define GIO_SLOT_GFX            0
  64 #define GIO_SLOT_EXP0           1
  65 #define GIO_SLOT_EXP1           2
  66
  67 #define GIO_ARB_RT              0x001   /* real-time device */
  68 #define GIO_ARB_LB              0x002   /* long-burst device */
  69
  70 #define GIO_ARB_MST             0x004   /* bus master enable */
  71 #define GIO_ARB_SLV             0x008   /* slave */
  72
  73 #define GIO_ARB_PIPE            0x010   /* pipelining enable */
  74 #define GIO_ARB_NOPIPE          0x020   /* pipelining disable */
  75
  76 #define GIO_ARB_32BIT           0x040   /* 32-bit transfers */
  77 #define GIO_ARB_64BIT           0x080   /* 64-bit transfers */
  78
  79 #define GIO_ARB_HPC2_32BIT      0x100   /* 32-bit secondary HPC (ignores slot)*/
  80 #define GIO_ARB_HPC2_64BIT      0x200   /* 64-bit secondary HPC (ignores slot)*/
  81
  82 int             gio_cnattach(void);
  83 int             gio_arb_config(int, uint32_t);
  84 void           *gio_intr_establish(int, int, int (*)(void *), void *);
  85 const char     *gio_product_string(int);
  86