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/* $FreeBSD: release/9.1.0/sys/dev/ct/bshwvar.h 139749 2005-01-06 01:43:34Z imp $ */
/* $NecBSD: bshwvar.h,v 1.3.14.3 2001/06/21 04:07:37 honda Exp $ */
/* $NetBSD$ */
/*-
* [NetBSD for NEC PC-98 series]
* Copyright (c) 1994, 1995, 1996, 1997, 1998
* NetBSD/pc98 porting staff. 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 _BSHWVAR_H_
#define _BSHWVAR_H_
/*
* bshwvar.h
* NEC 55 compatible board specific definitions
*/
#define BSHW_DEFAULT_CHIPCLK 20 /* 20MHz */
#define BSHW_DEFAULT_HOSTID 7
struct bshw {
#define BSHW_SYNC_RELOAD 0x01
#define BSHW_SMFIFO 0x02
#define BSHW_DOUBLE_DMACHAN 0x04
u_int hw_flags;
u_int hw_sregaddr;
int ((*hw_dma_init)(struct ct_softc *));
void ((*hw_dma_start)(struct ct_softc *));
void ((*hw_dma_stop)(struct ct_softc *));
};
struct bshw_softc {
int sc_hostid;
int sc_irq; /* irq */
int sc_drq; /* drq */
/* dma transfer */
u_int8_t *sc_segaddr;
u_int8_t *sc_bufp;
int sc_seglen;
u_int sc_sdatalen; /* SMIT */
u_int sc_edatalen; /* SMIT */
/* private bounce */
u_int8_t *sc_bounce_phys;
u_int8_t *sc_bounce_addr;
u_int sc_bounce_size;
bus_addr_t sc_minphys;
/* io control */
#define BSHW_READ_INTERRUPT_DRIVEN 0x0001
#define BSHW_WRITE_INTERRUPT_DRIVEN 0x0002
#define BSHW_DMA_BLOCK 0x0010
#define BSHW_SMIT_BLOCK 0x0020
u_int sc_io_control;
/* hardware */
struct bshw *sc_hw;
void ((*sc_dmasync_before))(struct ct_softc *);
void ((*sc_dmasync_after))(struct ct_softc *);
};
void bshw_synch_setup(struct ct_softc *, struct targ_info *);
void bshw_bus_reset(struct ct_softc *);
int bshw_read_settings(struct ct_bus_access_handle *, struct bshw_softc *);
int bshw_smit_xfer_start(struct ct_softc *);
void bshw_smit_xfer_stop(struct ct_softc *);
int bshw_dma_xfer_start(struct ct_softc *);
void bshw_dma_xfer_stop(struct ct_softc *);
extern struct dvcfg_hwsel bshw_hwsel;
#endif /* !_BSHWVAR_H_ */