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 *); 87