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      1 /*	$NetBSD: giovar.h,v 1.10 2011/07/01 18:53:46 dyoung 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 <sys/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 
     87