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/* $FreeBSD$ */
/* $NecBSD: ct_machdep.h,v 1.4 1999/07/23 20:54:00 honda Exp $ */
/* $NetBSD$ */
/*
* [NetBSD for NEC PC-98 series]
* Copyright (c) 1995, 1996, 1997, 1998
* NetBSD/pc98 porting staff. All rights reserved.
* Copyright (c) 1995, 1996, 1997, 1998
* Naofumi HONDA. 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. 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.
*/
#ifndef _CT_MACHDEP_H_
#define _CT_MACHDEP_H_
/*
* Principal rules:
* 1) do not use bus_space_write/read_X directly in ct.c.
* 2) do not use port offset defs directly in ct.c.
*/
/* special weight if requried */
#define CT_BUS_WEIGHT
/* port offset */
#define addr_port 0
#define stat_port 0
#define ctrl_port 2
#define cmd_port 4
/*
* All port accesses primitive methods
*/
static __inline u_int8_t ct_cr_read_1 __P((bus_space_tag_t, bus_space_handle_t, bus_addr_t));
static __inline void ct_cr_write_1 __P((bus_space_tag_t, bus_space_handle_t, bus_addr_t, u_int8_t));
static __inline void ct_write_cmds __P((bus_space_tag_t, bus_space_handle_t, u_int8_t *, int));
static __inline u_int cthw_get_count __P((bus_space_tag_t, bus_space_handle_t));
static __inline void cthw_set_count __P((bus_space_tag_t, bus_space_handle_t, u_int));
#define ct_stat_read_1(bst, bsh) bus_space_read_1((bst), (bsh), stat_port)
static __inline void
cthw_set_count(bst, bsh, count)
bus_space_tag_t bst;
bus_space_handle_t bsh;
u_int count;
{
bus_space_write_1(bst, bsh, addr_port, wd3s_cnt);
CT_BUS_WEIGHT
bus_space_write_1(bst, bsh, ctrl_port, count >> 16);
CT_BUS_WEIGHT
bus_space_write_1(bst, bsh, ctrl_port, count >> 8);
CT_BUS_WEIGHT
bus_space_write_1(bst, bsh, ctrl_port, count);
CT_BUS_WEIGHT
}
static __inline u_int
cthw_get_count(bst, bsh)
bus_space_tag_t bst;
bus_space_handle_t bsh;
{
u_int count;
bus_space_write_1(bst, bsh, addr_port, wd3s_cnt);
CT_BUS_WEIGHT
count = (((u_int) bus_space_read_1(bst, bsh, ctrl_port)) << 16);
CT_BUS_WEIGHT
count += (((u_int) bus_space_read_1(bst, bsh, ctrl_port)) << 8);
CT_BUS_WEIGHT
count += ((u_int) bus_space_read_1(bst, bsh, ctrl_port));
CT_BUS_WEIGHT
return count;
}
static __inline void
ct_write_cmds(bst, bsh, cmd, len)
bus_space_tag_t bst;
bus_space_handle_t bsh;
u_int8_t *cmd;
int len;
{
int i;
bus_space_write_1(bst, bsh, addr_port, wd3s_cdb);
for (i = 0; i < len; i ++)
bus_space_write_1(bst, bsh, ctrl_port, cmd[i]);
}
static __inline u_int8_t
ct_cr_read_1(bst, bsh, offs)
bus_space_tag_t bst;
bus_space_handle_t bsh;
bus_addr_t offs;
{
u_int8_t regv;
bus_space_write_1(bst, bsh, addr_port, offs);
CT_BUS_WEIGHT
regv = bus_space_read_1(bst, bsh, ctrl_port);
CT_BUS_WEIGHT
return regv;
}
static __inline void
ct_cr_write_1(bst, bsh, offs, val)
bus_space_tag_t bst;
bus_space_handle_t bsh;
bus_addr_t offs;
u_int8_t val;
{
bus_space_write_1(bst, bsh, addr_port, offs);
CT_BUS_WEIGHT
bus_space_write_1(bst, bsh, ctrl_port, val);
CT_BUS_WEIGHT
}
#if defined(i386)
#define SOFT_INTR_REQUIRED(slp) (softintr((slp)->sl_irq))
#else /* !i386 */
#define SOFT_INTR_REQUIRED(slp)
#endif /* !i386 */
#ifdef __FreeBSD__
typedef unsigned long vaddr_t;
#define delay(t) DELAY(t)
#endif
#endif /* !_CT_MACHDEP_H_ */
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