173149Snyan/* $FreeBSD$ */ 279697Snon/* $NecBSD: bshwvar.h,v 1.3.14.3 2001/06/21 04:07:37 honda Exp $ */ 373149Snyan/* $NetBSD$ */ 473149Snyan 5139749Simp/*- 673149Snyan * [NetBSD for NEC PC-98 series] 773149Snyan * Copyright (c) 1994, 1995, 1996, 1997, 1998 873149Snyan * NetBSD/pc98 porting staff. All rights reserved. 973149Snyan * 1073149Snyan * Redistribution and use in source and binary forms, with or without 1173149Snyan * modification, are permitted provided that the following conditions 1273149Snyan * are met: 1373149Snyan * 1. Redistributions of source code must retain the above copyright 1473149Snyan * notice, this list of conditions and the following disclaimer. 1573149Snyan * 2. Redistributions in binary form must reproduce the above copyright 1673149Snyan * notice, this list of conditions and the following disclaimer in the 1773149Snyan * documentation and/or other materials provided with the distribution. 1873149Snyan * 3. The name of the author may not be used to endorse or promote products 1973149Snyan * derived from this software without specific prior written permission. 2073149Snyan * 2173149Snyan * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 2273149Snyan * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 2373149Snyan * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 2473149Snyan * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 2573149Snyan * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 2673149Snyan * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 2773149Snyan * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2873149Snyan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 2973149Snyan * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 3073149Snyan * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3173149Snyan * POSSIBILITY OF SUCH DAMAGE. 3273149Snyan */ 3373149Snyan#ifndef _BSHWVAR_H_ 3473149Snyan#define _BSHWVAR_H_ 3573149Snyan 3673149Snyan/* 3773149Snyan * bshwvar.h 3873149Snyan * NEC 55 compatible board specific definitions 3973149Snyan */ 4073149Snyan 4173149Snyan#define BSHW_DEFAULT_CHIPCLK 20 /* 20MHz */ 4273149Snyan#define BSHW_DEFAULT_HOSTID 7 4373149Snyan 4473149Snyanstruct bshw { 4573149Snyan#define BSHW_SYNC_RELOAD 0x01 4673149Snyan#define BSHW_SMFIFO 0x02 4773149Snyan#define BSHW_DOUBLE_DMACHAN 0x04 4873149Snyan u_int hw_flags; 4979697Snon u_int hw_sregaddr; 5073149Snyan 5192739Salfred int ((*hw_dma_init)(struct ct_softc *)); 5292739Salfred void ((*hw_dma_start)(struct ct_softc *)); 5392739Salfred void ((*hw_dma_stop)(struct ct_softc *)); 5473149Snyan}; 5573149Snyan 5673149Snyanstruct bshw_softc { 5773149Snyan int sc_hostid; 5873149Snyan int sc_irq; /* irq */ 5973149Snyan int sc_drq; /* drq */ 6073149Snyan 6173149Snyan /* dma transfer */ 6273149Snyan u_int8_t *sc_segaddr; 6373149Snyan u_int8_t *sc_bufp; 6473149Snyan int sc_seglen; 6579697Snon u_int sc_sdatalen; /* SMIT */ 6679697Snon u_int sc_edatalen; /* SMIT */ 6773149Snyan 6873149Snyan /* private bounce */ 6973149Snyan u_int8_t *sc_bounce_phys; 7073149Snyan u_int8_t *sc_bounce_addr; 7173149Snyan u_int sc_bounce_size; 7273149Snyan bus_addr_t sc_minphys; 7373149Snyan 7479697Snon /* io control */ 7579697Snon#define BSHW_READ_INTERRUPT_DRIVEN 0x0001 7679697Snon#define BSHW_WRITE_INTERRUPT_DRIVEN 0x0002 7779697Snon#define BSHW_DMA_BLOCK 0x0010 7879697Snon#define BSHW_SMIT_BLOCK 0x0020 7979697Snon u_int sc_io_control; 8079697Snon 8173149Snyan /* hardware */ 8273149Snyan struct bshw *sc_hw; 8392739Salfred void ((*sc_dmasync_before))(struct ct_softc *); 8492739Salfred void ((*sc_dmasync_after))(struct ct_softc *); 8573149Snyan}; 8673149Snyan 8792739Salfredvoid bshw_synch_setup(struct ct_softc *, struct targ_info *); 8892739Salfredvoid bshw_bus_reset(struct ct_softc *); 8992739Salfredint bshw_read_settings(struct ct_bus_access_handle *, struct bshw_softc *); 9092739Salfredint bshw_smit_xfer_start(struct ct_softc *); 9192739Salfredvoid bshw_smit_xfer_stop(struct ct_softc *); 9292739Salfredint bshw_dma_xfer_start(struct ct_softc *); 9392739Salfredvoid bshw_dma_xfer_stop(struct ct_softc *); 9479697Snon 9573149Snyanextern struct dvcfg_hwsel bshw_hwsel; 9673149Snyan#endif /* !_BSHWVAR_H_ */ 97