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 *);
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