tcdsvar.h

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    1 /* $OpenBSD: tcdsvar.h,v 1.4 2008/08/09 16:42:30 miod Exp $ */
    2 /* $NetBSD: tcdsvar.h,v 1.2 2001/08/22 05:00:27 nisimura Exp $ */
    3 
    4 /*
    5  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
    6  * All rights reserved.
    7  *
    8  * Author: Chris G. Demetriou
    9  * 
   10  * Permission to use, copy, modify and distribute this software and
   11  * its documentation is hereby granted, provided that both the copyright
   12  * notice and this permission notice appear in all copies of the
   13  * software, derivative works or modified versions, and any portions
   14  * thereof, and that both notices appear in supporting documentation.
   15  * 
   16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
   17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
   18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   19  * 
   20  * Carnegie Mellon requests users of this software to return to
   21  *
   22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   23  *  School of Computer Science
   24  *  Carnegie Mellon University
   25  *  Pittsburgh PA 15213-3890
   26  *
   27  * any improvements or extensions that they make and grant Carnegie the
   28  * rights to redistribute these changes.
   29  */
   30 
   31 struct tcds_slotconfig {
   32         /*
   33          * Bookkeeping information
   34          */
   35         int     sc_slot;
   36 
   37         bus_space_tag_t sc_bst;                 /* to frob TCDS regs */
   38         bus_space_handle_t sc_bsh;
   39 
   40         int     (*sc_intrhand)(void *);         /* intr. handler */
   41         void    *sc_intrarg;                    /* intr. handler arg. */
   42         struct evcount sc_count;                /* intr. count */
   43 
   44         /*
   45          * Sets of bits in TCDS CIR and IMER that enable/check
   46          * various things.
   47          */
   48         u_int32_t sc_resetbits;
   49         u_int32_t sc_intrmaskbits;
   50         u_int32_t sc_intrbits;
   51         u_int32_t sc_dmabits;
   52         u_int32_t sc_errorbits;
   53 
   54         /*
   55          * Offsets to slot-specific DMA resources.
   56          */
   57         bus_size_t sc_sda;
   58         bus_size_t sc_dic;
   59         bus_size_t sc_dud0;
   60         bus_size_t sc_dud1;
   61 };
   62 
   63 struct tcdsdev_attach_args {
   64         bus_space_tag_t tcdsda_bst;             /* bus space tag */
   65         bus_space_handle_t tcdsda_bsh;          /* bus space handle */
   66         bus_dma_tag_t tcdsda_dmat;              /* bus dma tag */
   67         struct tcds_slotconfig *tcdsda_sc;      /* slot configuration */
   68         int     tcdsda_chip;                    /* chip number */
   69         int     tcdsda_id;                      /* SCSI ID */
   70         u_int   tcdsda_freq;                    /* chip frequency */
   71         int     tcdsda_period;                  /* min. sync period */
   72         int     tcdsda_variant;                 /* NCR chip variant */
   73         int     tcdsda_fast;                    /* chip does Fast mode */
   74 };
   75 
   76 /*
   77  * TCDS functions.
   78  */
   79 void    tcds_intr_establish(struct device *, int,
   80             int (*)(void *), void *, const char *);
   81 void    tcds_intr_disestablish(struct device *, int);
   82 void    tcds_dma_enable(struct tcds_slotconfig *, int);
   83 void    tcds_scsi_enable(struct tcds_slotconfig *, int);
   84 int     tcds_scsi_iserr(struct tcds_slotconfig *);
   85 int     tcds_scsi_isintr(struct tcds_slotconfig *, int);
   86 void    tcds_scsi_reset(struct tcds_slotconfig *);

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FreeBSD/Linux Kernel Cross Reference sys/dev/tc/tcdsvar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/tc/tcdsvar.h