/* $FreeBSD$ */ /* $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_ */ |