1 /* $OpenBSD: tcvar.h,v 1.14 2008/08/09 16:42:30 miod 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 struct tc_softc { 47 struct device sc_dv; 48 49 int sc_speed; 50 int sc_nslots; 51 struct tc_slotdesc *sc_slots; 52 53 void (*sc_intr_establish)(struct device *, void *, 54 int, int (*)(void *), void *, const char *); 55 void (*sc_intr_disestablish)(struct device *, void *); 56 bus_dma_tag_t (*sc_get_dma_tag)(int); 57 }; 58 59 /* 60 * Arguments used to attach TURBOchannel busses. 61 */ 62 struct tcbus_attach_args { 63 char *tba_busname; /* XXX should be common */ 64 bus_space_tag_t tba_memt; 65 66 /* Bus information */ 67 u_int tba_speed; /* see TC_SPEED_* below */ 68 u_int tba_nslots; 69 struct tc_slotdesc *tba_slots; 70 u_int tba_nbuiltins; 71 const struct tc_builtin *tba_builtins; 72 73 74 /* TC bus resource management; XXX will move elsewhere eventually. */ 75 void (*tba_intr_establish)(struct device *, void *, 76 int, int (*)(void *), void *, const char *); 77 void (*tba_intr_disestablish)(struct device *, void *); 78 bus_dma_tag_t (*tba_get_dma_tag)(int); 79 }; 80 81 /* 82 * Arguments used to attach TURBOchannel devices. 83 */ 84 struct tc_attach_args { 85 bus_space_tag_t ta_memt; 86 bus_dma_tag_t ta_dmat; 87 88 char ta_modname[TC_ROM_LLEN+1]; 89 u_int ta_slot; 90 tc_offset_t ta_offset; 91 tc_addr_t ta_addr; 92 void *ta_cookie; 93 u_int ta_busspeed; /* see TC_SPEED_* below */ 94 }; 95 96 /* 97 * Description of TURBOchannel slots, provided by machine-dependent 98 * code to the TURBOchannel bus driver. 99 */ 100 struct tc_slotdesc { 101 tc_addr_t tcs_addr; 102 void *tcs_cookie; 103 int tcs_used; 104 }; 105 106 /* 107 * Description of built-in TURBOchannel devices, provided by 108 * machine-dependent code to the TURBOchannel bus driver. 109 */ 110 struct tc_builtin { 111 char *tcb_modname; 112 u_int tcb_slot; 113 tc_offset_t tcb_offset; 114 void *tcb_cookie; 115 }; 116 117 /* 118 * Interrupt establishment functions. 119 */ 120 int tc_checkslot(tc_addr_t, char *); 121 void tc_devinfo(const char *, char *, size_t); 122 void tcattach(struct device *, struct device *, void *); 123 void tc_intr_establish(struct device *, void *, int, int (*)(void *), 124 void *, const char *); 125 void tc_intr_disestablish(struct device *, void *); 126 127 /* 128 * Easy to remember names for TURBOchannel device locators. 129 */ 130 #define tccf_slot cf_loc[0] /* slot */ 131 #define tccf_offset cf_loc[1] /* offset */ 132 133 #define TCCF_SLOT_UNKNOWN -1 134 #define TCCF_OFFSET_UNKNOWN -1 135 136 /* 137 * Miscellaneous definitions. 138 */ 139 #define TC_SPEED_12_5_MHZ 0 /* 12.5MHz TC bus */ 140 #define TC_SPEED_25_MHZ 1 /* 25MHz TC bus */ 141 142 #endif /* __DEV_TC_TCVAR_H__ */ 143