mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/* $FreeBSD$ */
|
|
/* $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_ */
|