/*      $NetBSD: giovar.h,v 1.10 2011/07/01 18:53:46 dyoung Exp $       */

/*
* Copyright (c) 2000 Soren S. Jorvang
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*          This product includes software developed for the
*          NetBSD Project.  See http://www.NetBSD.org/ for
*          information about NetBSD.
* 4. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/*
* GIO 32/32-bis/64 bus
*/

#include <sys/bus.h>

struct giobus_attach_args {
       bus_space_tag_t gba_iot;
       bus_space_handle_t gba_ioh;

#define GIOBUS_GIO32    0
#define GIOBUS_GIO32BIS 1
#define GIOBUS_GIO64    2
       int             gba_type;
};

struct gio_attach_args {
       bus_space_tag_t ga_iot;
       bus_space_handle_t ga_ioh;
       bus_dma_tag_t   ga_dmat;

       int             ga_slot;        /* not valid if graphics */
       u_int32_t       ga_addr;

       u_int32_t       ga_product;     /* not valid if graphics */
};


#define GIO_SLOT_GFX            0
#define GIO_SLOT_EXP0           1
#define GIO_SLOT_EXP1           2

#define GIO_ARB_RT              0x001   /* real-time device */
#define GIO_ARB_LB              0x002   /* long-burst device */

#define GIO_ARB_MST             0x004   /* bus master enable */
#define GIO_ARB_SLV             0x008   /* slave */

#define GIO_ARB_PIPE            0x010   /* pipelining enable */
#define GIO_ARB_NOPIPE          0x020   /* pipelining disable */

#define GIO_ARB_32BIT           0x040   /* 32-bit transfers */
#define GIO_ARB_64BIT           0x080   /* 64-bit transfers */

#define GIO_ARB_HPC2_32BIT      0x100   /* 32-bit secondary HPC (ignores slot)*/
#define GIO_ARB_HPC2_64BIT      0x200   /* 64-bit secondary HPC (ignores slot)*/

int             gio_cnattach(void);
int             gio_arb_config(int, uint32_t);
void           *gio_intr_establish(int, int, int (*)(void *), void *);
const char     *gio_product_string(int);