155 lines
3.9 KiB
C
155 lines
3.9 KiB
C
/* $NetBSD: tcvar.h,v 1.22 2005/12/11 12:24:00 christos Exp $ */
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/*
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* Copyright (c) 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#ifndef __DEV_TC_TCVAR_H__
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#define __DEV_TC_TCVAR_H__
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/*
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* Definitions for TURBOchannel autoconfiguration.
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*/
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#include <machine/bus.h>
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#include <dev/tc/tcreg.h>
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/*
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* Machine-dependent definitions.
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*/
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#include <machine/tc_machdep.h>
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/*
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* In the long run, the following block will go completely away.
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* For now, the MI TC code still uses the old TC_IPL_ names
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* and not the new IPL_ names.
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*/
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#if 1
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/*
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* Map the new definitions to the old.
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*/
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#include <machine/intr.h>
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#define tc_intrlevel_t int
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#define TC_IPL_NONE IPL_NONE
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#define TC_IPL_BIO IPL_BIO
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#define TC_IPL_NET IPL_NET
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#define TC_IPL_TTY IPL_TTY
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#define TC_IPL_CLOCK IPL_CLOCK
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#endif /* 1 */
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struct tc_softc {
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struct device sc_dv;
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int sc_speed;
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int sc_nslots;
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struct tc_slotdesc *sc_slots;
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const struct evcnt *(*sc_intr_evcnt)(struct device *, void *);
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void (*sc_intr_establish)(struct device *, void *,
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int, int (*)(void *), void *);
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void (*sc_intr_disestablish)(struct device *, void *);
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bus_dma_tag_t (*sc_get_dma_tag)(int);
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};
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/*
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* Arguments used to attach TURBOchannel busses.
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*/
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struct tcbus_attach_args {
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const char *tba_busname; /* XXX should be common */
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bus_space_tag_t tba_memt;
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/* Bus information */
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u_int tba_speed; /* see TC_SPEED_* below */
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u_int tba_nslots;
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struct tc_slotdesc *tba_slots;
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u_int tba_nbuiltins;
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const struct tc_builtin *tba_builtins;
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/* TC bus resource management; XXX will move elsewhere eventually. */
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const struct evcnt *(*tba_intr_evcnt)(struct device *, void *);
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void (*tba_intr_establish)(struct device *, void *,
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int, int (*)(void *), void *);
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void (*tba_intr_disestablish)(struct device *, void *);
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bus_dma_tag_t (*tba_get_dma_tag)(int);
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};
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/*
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* Arguments used to attach TURBOchannel devices.
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*/
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struct tc_attach_args {
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bus_space_tag_t ta_memt;
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bus_dma_tag_t ta_dmat;
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char ta_modname[TC_ROM_LLEN+1];
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u_int ta_slot;
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tc_offset_t ta_offset;
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tc_addr_t ta_addr;
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void *ta_cookie;
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u_int ta_busspeed; /* see TC_SPEED_* below */
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};
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/*
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* Description of TURBOchannel slots, provided by machine-dependent
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* code to the TURBOchannel bus driver.
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*/
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struct tc_slotdesc {
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tc_addr_t tcs_addr;
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void *tcs_cookie;
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int tcs_used;
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};
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/*
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* Description of built-in TURBOchannel devices, provided by
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* machine-dependent code to the TURBOchannel bus driver.
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*/
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struct tc_builtin {
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const char *tcb_modname;
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u_int tcb_slot;
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tc_offset_t tcb_offset;
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void *tcb_cookie;
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};
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/*
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* Interrupt establishment functions.
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*/
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int tc_checkslot(tc_addr_t, char *);
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void tcattach(struct device *, struct device *, void *);
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const struct evcnt *tc_intr_evcnt(struct device *, void *);
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void tc_intr_establish(struct device *, void *, int, int (*)(void *),
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void *);
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void tc_intr_disestablish(struct device *, void *);
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/*
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* Miscellaneous definitions.
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*/
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#define TC_SPEED_12_5_MHZ 0 /* 12.5MHz TC bus */
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#define TC_SPEED_25_MHZ 1 /* 25MHz TC bus */
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#endif /* __DEV_TC_TCVAR_H__ */
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