/* $OpenBSD: tcvar.h,v 1.10 2002/05/02 22:56:06 miod Exp $ */ /* $NetBSD: tcvar.h,v 1.17 2000/06/04 19:15:15 cgd Exp $ */ /* * Copyright (c) 1995 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 Software.Distribution@CS.CMU.EDU * 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. */ #ifndef __DEV_TC_TCVAR_H__ #define __DEV_TC_TCVAR_H__ /* * Definitions for TURBOchannel autoconfiguration. */ #include #include /* * Machine-dependent definitions. */ #include /* * In the long run, the following block will go completely away. * For now, the MI TC code still uses the old TC_IPL_ names * and not the new IPL_ names. */ #if 1 /* * Map the new definitions to the old. */ #include #define tc_intrlevel_t int #define TC_IPL_NONE IPL_NONE #define TC_IPL_BIO IPL_BIO #define TC_IPL_NET IPL_NET #define TC_IPL_TTY IPL_TTY #define TC_IPL_CLOCK IPL_CLOCK #endif /* 1 */ struct tc_softc { struct device sc_dv; int sc_speed; int sc_nslots; struct tc_slotdesc *sc_slots; const struct evcnt *(*sc_intr_evcnt)(struct device *, void *); void (*sc_intr_establish)(struct device *, void *, int, int (*)(void *), void *); void (*sc_intr_disestablish)(struct device *, void *); bus_dma_tag_t (*sc_get_dma_tag)(int); }; /* * Arguments used to attach TURBOchannel busses. */ struct tcbus_attach_args { char *tba_busname; /* XXX should be common */ bus_space_tag_t tba_memt; /* Bus information */ u_int tba_speed; /* see TC_SPEED_* below */ u_int tba_nslots; struct tc_slotdesc *tba_slots; u_int tba_nbuiltins; const struct tc_builtin *tba_builtins; /* TC bus resource management; XXX will move elsewhere eventually. */ const struct evcnt *(*tba_intr_evcnt)(struct device *, void *); void (*tba_intr_establish)(struct device *, void *, int, int (*)(void *), void *); void (*tba_intr_disestablish)(struct device *, void *); bus_dma_tag_t (*tba_get_dma_tag)(int); }; /* * Arguments used to attach TURBOchannel devices. */ struct tc_attach_args { bus_space_tag_t ta_memt; bus_dma_tag_t ta_dmat; char ta_modname[TC_ROM_LLEN+1]; u_int ta_slot; tc_offset_t ta_offset; tc_addr_t ta_addr; void *ta_cookie; u_int ta_busspeed; /* see TC_SPEED_* below */ }; /* * Description of TURBOchannel slots, provided by machine-dependent * code to the TURBOchannel bus driver. */ struct tc_slotdesc { tc_addr_t tcs_addr; void *tcs_cookie; int tcs_used; }; /* * Description of built-in TURBOchannel devices, provided by * machine-dependent code to the TURBOchannel bus driver. */ struct tc_builtin { char *tcb_modname; u_int tcb_slot; tc_offset_t tcb_offset; void *tcb_cookie; }; /* * Interrupt establishment functions. */ int tc_checkslot(tc_addr_t, char *); void tc_devinfo(const char *, char *); void tcattach(struct device *, struct device *, void *); const struct evcnt *tc_intr_evcnt(struct device *, void *); void tc_intr_establish(struct device *, void *, int, int (*)(void *), void *); void tc_intr_disestablish(struct device *, void *); /* * Easy to remember names for TURBOchannel device locators. */ #define tccf_slot cf_loc[0] /* slot */ #define tccf_offset cf_loc[1] /* offset */ #define TCCF_SLOT_UNKNOWN -1 #define TCCF_OFFSET_UNKNOWN -1 /* * Miscellaneous definitions. */ #define TC_SPEED_12_5_MHZ 0 /* 12.5MHz TC bus */ #define TC_SPEED_25_MHZ 1 /* 25MHz TC bus */ #endif /* __DEV_TC_TCVAR_H__ */