Annotation of sys/dev/tc/tcvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: tcvar.h,v 1.12 2004/06/28 02:28:43 aaron Exp $ */
! 2: /* $NetBSD: tcvar.h,v 1.17 2000/06/04 19:15:15 cgd Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1995 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: #ifndef __DEV_TC_TCVAR_H__
! 32: #define __DEV_TC_TCVAR_H__
! 33:
! 34: /*
! 35: * Definitions for TURBOchannel autoconfiguration.
! 36: */
! 37:
! 38: #include <machine/bus.h>
! 39: #include <dev/tc/tcreg.h>
! 40:
! 41: /*
! 42: * Machine-dependent definitions.
! 43: */
! 44: #include <machine/tc_machdep.h>
! 45:
! 46: /*
! 47: * In the long run, the following block will go completely away.
! 48: * For now, the MI TC code still uses the old TC_IPL_ names
! 49: * and not the new IPL_ names.
! 50: */
! 51: #if 1
! 52: /*
! 53: * Map the new definitions to the old.
! 54: */
! 55: #include <machine/intr.h>
! 56:
! 57: #define tc_intrlevel_t int
! 58:
! 59: #define TC_IPL_NONE IPL_NONE
! 60: #define TC_IPL_BIO IPL_BIO
! 61: #define TC_IPL_NET IPL_NET
! 62: #define TC_IPL_TTY IPL_TTY
! 63: #define TC_IPL_CLOCK IPL_CLOCK
! 64: #endif /* 1 */
! 65:
! 66: struct tc_softc {
! 67: struct device sc_dv;
! 68:
! 69: int sc_speed;
! 70: int sc_nslots;
! 71: struct tc_slotdesc *sc_slots;
! 72:
! 73: void (*sc_intr_establish)(struct device *, void *,
! 74: int, int (*)(void *), void *);
! 75: void (*sc_intr_disestablish)(struct device *, void *);
! 76: bus_dma_tag_t (*sc_get_dma_tag)(int);
! 77: };
! 78:
! 79: /*
! 80: * Arguments used to attach TURBOchannel busses.
! 81: */
! 82: struct tcbus_attach_args {
! 83: char *tba_busname; /* XXX should be common */
! 84: bus_space_tag_t tba_memt;
! 85:
! 86: /* Bus information */
! 87: u_int tba_speed; /* see TC_SPEED_* below */
! 88: u_int tba_nslots;
! 89: struct tc_slotdesc *tba_slots;
! 90: u_int tba_nbuiltins;
! 91: const struct tc_builtin *tba_builtins;
! 92:
! 93:
! 94: /* TC bus resource management; XXX will move elsewhere eventually. */
! 95: void (*tba_intr_establish)(struct device *, void *,
! 96: int, int (*)(void *), void *);
! 97: void (*tba_intr_disestablish)(struct device *, void *);
! 98: bus_dma_tag_t (*tba_get_dma_tag)(int);
! 99: };
! 100:
! 101: /*
! 102: * Arguments used to attach TURBOchannel devices.
! 103: */
! 104: struct tc_attach_args {
! 105: bus_space_tag_t ta_memt;
! 106: bus_dma_tag_t ta_dmat;
! 107:
! 108: char ta_modname[TC_ROM_LLEN+1];
! 109: u_int ta_slot;
! 110: tc_offset_t ta_offset;
! 111: tc_addr_t ta_addr;
! 112: void *ta_cookie;
! 113: u_int ta_busspeed; /* see TC_SPEED_* below */
! 114: };
! 115:
! 116: /*
! 117: * Description of TURBOchannel slots, provided by machine-dependent
! 118: * code to the TURBOchannel bus driver.
! 119: */
! 120: struct tc_slotdesc {
! 121: tc_addr_t tcs_addr;
! 122: void *tcs_cookie;
! 123: int tcs_used;
! 124: };
! 125:
! 126: /*
! 127: * Description of built-in TURBOchannel devices, provided by
! 128: * machine-dependent code to the TURBOchannel bus driver.
! 129: */
! 130: struct tc_builtin {
! 131: char *tcb_modname;
! 132: u_int tcb_slot;
! 133: tc_offset_t tcb_offset;
! 134: void *tcb_cookie;
! 135: };
! 136:
! 137: /*
! 138: * Interrupt establishment functions.
! 139: */
! 140: int tc_checkslot(tc_addr_t, char *);
! 141: void tc_devinfo(const char *, char *, size_t);
! 142: void tcattach(struct device *, struct device *, void *);
! 143: void tc_intr_establish(struct device *, void *, int, int (*)(void *),
! 144: void *);
! 145: void tc_intr_disestablish(struct device *, void *);
! 146:
! 147: /*
! 148: * Easy to remember names for TURBOchannel device locators.
! 149: */
! 150: #define tccf_slot cf_loc[0] /* slot */
! 151: #define tccf_offset cf_loc[1] /* offset */
! 152:
! 153: #define TCCF_SLOT_UNKNOWN -1
! 154: #define TCCF_OFFSET_UNKNOWN -1
! 155:
! 156: /*
! 157: * Miscellaneous definitions.
! 158: */
! 159: #define TC_SPEED_12_5_MHZ 0 /* 12.5MHz TC bus */
! 160: #define TC_SPEED_25_MHZ 1 /* 25MHz TC bus */
! 161:
! 162: #endif /* __DEV_TC_TCVAR_H__ */
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