/* $NetBSD: tcdsvar.h,v 1.6 2009/05/12 14:47:04 cegger Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or
[email protected]
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
struct tcds_slotconfig {
/*
* Bookkeeping information
*/
int sc_slot;
bus_space_tag_t sc_bst; /* to frob TCDS regs */
bus_space_handle_t sc_bsh;
int (*sc_intrhand)(void *); /* intr. handler */
void *sc_intrarg; /* intr. handler arg. */
struct evcnt sc_evcnt; /* intr. count */
char sc_name[8]; /* ev_name */
/*
* Sets of bits in TCDS CIR and IMER that enable/check
* various things.
*/
u_int32_t sc_resetbits;
u_int32_t sc_intrmaskbits;
u_int32_t sc_intrbits;
u_int32_t sc_dmabits;
u_int32_t sc_errorbits;
/*
* Offsets to slot-specific DMA resources.
*/
bus_size_t sc_sda;
bus_size_t sc_dic;
bus_size_t sc_dud0;
bus_size_t sc_dud1;
};
struct tcdsdev_attach_args {
bus_space_tag_t tcdsda_bst; /* bus space tag */
bus_space_handle_t tcdsda_bsh; /* bus space handle */
bus_dma_tag_t tcdsda_dmat; /* bus dma tag */
struct tcds_slotconfig *tcdsda_sc; /* slot configuration */
int tcdsda_chip; /* chip number */
int tcdsda_id; /* SCSI ID */
u_int tcdsda_freq; /* chip frequency */
int tcdsda_period; /* min. sync period */
int tcdsda_variant; /* NCR chip variant */
int tcdsda_fast; /* chip does Fast mode */
};
/*
* TCDS functions.
*/
void tcds_intr_establish(device_t, int, int (*)(void *), void *);
void tcds_intr_disestablish(device_t, int);
void tcds_dma_enable(struct tcds_slotconfig *, int);
void tcds_scsi_enable(struct tcds_slotconfig *, int);
int tcds_scsi_iserr(struct tcds_slotconfig *);
int tcds_scsi_isintr(struct tcds_slotconfig *, int);
void tcds_scsi_reset(struct tcds_slotconfig *);
