NetBSD/sys/arch/macppc/dev/obiovar.h

51 lines
2.0 KiB
C

/*-
* Copyright (c) 2006 Michael Lorenz
* 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: obiovar.h,v 1.5 2020/04/16 23:29:52 rin Exp $");
#ifndef OBIOVAR_H
#define OBIOVAR_H
/*
* access obio registers
* Since only some PowerBooks have more than one obio and in these cases we
* need to special-case it anyway we can safely assume that whoever wants to
* mess with obio registers means obio0
*/
void obio_write_4(int, uint32_t);
void obio_write_1(int, uint8_t);
uint32_t obio_read_4(int);
uint8_t obio_read_1(int);
int obio_space_map(bus_addr_t, bus_size_t, bus_space_handle_t *);
/* some common offsets */
#define HEATHROW_FCR 0x38
#define KEYLARGO_FCR1 0x3c
#endif /* OBIOVAR_H */