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Annotation of sys/dev/tc/tcdsvar.h, Revision 1.1

1.1     ! nbrk        1: /* $OpenBSD: tcdsvar.h,v 1.3 2006/03/13 22:36:06 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 *);
        !            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 *);