/*      $NetBSD: gtdevbusvar.h,v 1.1 2010/04/28 13:51:56 kiyohara Exp $ */
/*
* Copyright (c) 2009 KIYOHARA Takashi
* 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.
*
* 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.
*/
#ifndef _GTDEVBUSVAR_H_
#define _GTDEVBUSVAR_H_

static __inline int
gt_devbus_addr(device_t gt, int unit, uint32_t *ldp, uint32_t *hdp)
{
       static const struct {
               bus_addr_t low_decode;
               bus_addr_t high_decode;
       } obio_info[5] = {
               { GT_CS0_Low_Decode, GT_CS0_High_Decode, },
               { GT_CS1_Low_Decode, GT_CS1_High_Decode, },
               { GT_CS2_Low_Decode, GT_CS2_High_Decode, },
               { GT_CS3_Low_Decode, GT_CS3_High_Decode, },
               { GT_BootCS_Low_Decode, GT_BootCS_High_Decode, },
       };
       struct gt_softc *sc = device_private(gt);

       if (unit >= __arraycount(obio_info))
               return -1;

       *ldp = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
           obio_info[unit].low_decode);
       *hdp = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
           obio_info[unit].high_decode);
       return 0;
}

#endif  /* _GTDEVBUSVAR_H_ */