NetBSD/sys/arch/sgimips/gio/giovar.h

87 lines
3.0 KiB
C

/* $NetBSD: giovar.h,v 1.9 2007/02/19 20:14:30 rumble 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 <machine/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);