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128 lines
4.2 KiB
C
128 lines
4.2 KiB
C
/* $FreeBSD$ */
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/* $NecBSD: ctvar.h,v 1.4 1999/04/15 01:36:13 kmatsuda Exp $ */
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/* $NetBSD$ */
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/*
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* [NetBSD for NEC PC-98 series]
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* Copyright (c) 1995, 1996, 1997, 1998
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* NetBSD/pc98 porting staff. All rights reserved.
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* Copyright (c) 1995, 1996, 1997, 1998
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* Naofumi HONDA. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _CTVAR_H_
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#define _CTVAR_H_
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/*
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* ctvar.h
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* Generic wd33c93 chip driver's definitions
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*/
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/*****************************************************************
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* Host adapter structure
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*****************************************************************/
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struct ct_softc {
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struct scsi_low_softc sc_sclow; /* generic data */
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struct resource *port_res;
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struct resource *mem_res;
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struct resource *irq_res;
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struct resource *drq_res;
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bus_space_tag_t sc_iot; /* core chip ctrl port tag */
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bus_space_tag_t sc_datat; /* data port tag (pio) */
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bus_space_tag_t sc_memt; /* data port tag (shm) */
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bus_dma_tag_t sc_dmat; /* data DMA tag */
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bus_dmamap_t sc_dmamapt; /* data DMAMAP tag */
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bus_space_handle_t sc_ioh;
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bus_space_handle_t sc_datah;
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bus_space_handle_t sc_memh;
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void *sc_ih;
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int sc_wc; /* weight counter */
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int sc_chiprev; /* chip version */
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#define CT_WD33C93_A 0x00000
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#define CT_WD33C93_B 0x10000
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#define CT_WD33C93_C 0x20000
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int sc_xmode;
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#define CT_XMODE_PIO 1
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#define CT_XMODE_DMA 2
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int sc_dma; /* dma transfer start */
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#define CT_DMA_PIOSTART 1
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#define CT_DMA_DMASTART 2
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int sc_satgo; /* combination cmd start */
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#define CT_SAT_GOING 1
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int sc_atten; /* attention */
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u_int8_t sc_creg; /* control register value */
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int sc_chipclk; /* chipclk 0, 10, 15, 20 */
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struct ct_synch_data {
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u_int cs_period;
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u_int cs_syncr;
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} *sc_sdp; /* synchronous data table pt */
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/*
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* Machdep stuff.
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*/
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void *ct_hw; /* point to bshw_softc etc ... */
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void (*ct_dma_xfer_start) __P((struct ct_softc *));
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void (*ct_pio_xfer_start) __P((struct ct_softc *));
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void (*ct_dma_xfer_stop) __P((struct ct_softc *));
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void (*ct_pio_xfer_stop) __P((struct ct_softc *));
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void (*ct_bus_reset) __P((struct ct_softc *));
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void (*ct_synch_setup) __P((struct ct_softc *, struct lun_info *));
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};
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/*****************************************************************
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* Target information
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*****************************************************************/
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struct ct_targ_info {
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struct targ_info cti_ti;
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u_int8_t cti_syncreg;
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};
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/*****************************************************************
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* PROTO
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*****************************************************************/
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#ifdef __NetBSD__
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#include <i386/Cbus/dev/ct/ct_machdep.h>
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#endif
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#ifdef __FreeBSD__
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#include <dev/ct/ct_machdep.h>
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#endif
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int ctprobesubr __P((bus_space_tag_t, bus_space_handle_t ioh, u_int, int, u_int));
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void ctattachsubr __P((struct ct_softc *));
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int ctprint __P((void *, const char *));
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int ctintr __P((void *));
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#endif /* !_CTVAR_H_ */
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