FreeBSD/Linux Kernel Cross Reference
sys/dev/tc/tcvar.h
1 /* $NetBSD: tcvar.h,v 1.17 2000/06/04 19:15:15 cgd Exp $ */
2
3 /*
4 * Copyright (c) 1995 Carnegie-Mellon University.
5 * All rights reserved.
6 *
7 * Author: Chris G. Demetriou
8 *
9 * Permission to use, copy, modify and distribute this software and
10 * its documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
14 *
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 *
19 * Carnegie Mellon requests users of this software to return to
20 *
21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
22 * School of Computer Science
23 * Carnegie Mellon University
24 * Pittsburgh PA 15213-3890
25 *
26 * any improvements or extensions that they make and grant Carnegie the
27 * rights to redistribute these changes.
28 */
29
30 #ifndef __DEV_TC_TCVAR_H__
31 #define __DEV_TC_TCVAR_H__
32
33 /*
34 * Definitions for TURBOchannel autoconfiguration.
35 */
36
37 #include <machine/bus.h>
38 #include <dev/tc/tcreg.h>
39
40 /*
41 * Machine-dependent definitions.
42 */
43 #include <machine/tc_machdep.h>
44
45 /*
46 * In the long run, the following block will go completely away.
47 * For now, the MI TC code still uses the old TC_IPL_ names
48 * and not the new IPL_ names.
49 */
50 #if 1
51 /*
52 * Map the new definitions to the old.
53 */
54 #include <machine/intr.h>
55
56 #define tc_intrlevel_t int
57
58 #define TC_IPL_NONE IPL_NONE
59 #define TC_IPL_BIO IPL_BIO
60 #define TC_IPL_NET IPL_NET
61 #define TC_IPL_TTY IPL_TTY
62 #define TC_IPL_CLOCK IPL_CLOCK
63 #endif /* 1 */
64
65 struct tc_softc {
66 struct device sc_dv;
67
68 int sc_speed;
69 int sc_nslots;
70 struct tc_slotdesc *sc_slots;
71
72 const struct evcnt *(*sc_intr_evcnt)(struct device *, void *);
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 const struct evcnt *(*tba_intr_evcnt)(struct device *, void *);
96 void (*tba_intr_establish)(struct device *, void *,
97 int, int (*)(void *), void *);
98 void (*tba_intr_disestablish)(struct device *, void *);
99 bus_dma_tag_t (*tba_get_dma_tag)(int);
100 };
101
102 /*
103 * Arguments used to attach TURBOchannel devices.
104 */
105 struct tc_attach_args {
106 bus_space_tag_t ta_memt;
107 bus_dma_tag_t ta_dmat;
108
109 char ta_modname[TC_ROM_LLEN+1];
110 u_int ta_slot;
111 tc_offset_t ta_offset;
112 tc_addr_t ta_addr;
113 void *ta_cookie;
114 u_int ta_busspeed; /* see TC_SPEED_* below */
115 };
116
117 /*
118 * Description of TURBOchannel slots, provided by machine-dependent
119 * code to the TURBOchannel bus driver.
120 */
121 struct tc_slotdesc {
122 tc_addr_t tcs_addr;
123 void *tcs_cookie;
124 int tcs_used;
125 };
126
127 /*
128 * Description of built-in TURBOchannel devices, provided by
129 * machine-dependent code to the TURBOchannel bus driver.
130 */
131 struct tc_builtin {
132 char *tcb_modname;
133 u_int tcb_slot;
134 tc_offset_t tcb_offset;
135 void *tcb_cookie;
136 };
137
138 /*
139 * Interrupt establishment functions.
140 */
141 int tc_checkslot(tc_addr_t, char *);
142 void tc_devinfo(const char *, char *);
143 void tcattach(struct device *, struct device *, void *);
144 const struct evcnt *tc_intr_evcnt(struct device *, void *);
145 void tc_intr_establish(struct device *, void *, int, int (*)(void *),
146 void *);
147 void tc_intr_disestablish(struct device *, void *);
148
149 #include "locators.h"
150 /*
151 * Easy to remember names for TURBOchannel device locators.
152 */
153 #define tccf_slot cf_loc[TCCF_SLOT] /* slot */
154 #define tccf_offset cf_loc[TCCF_OFFSET] /* offset */
155
156 #define TCCF_SLOT_UNKNOWN TCCF_SLOT_DEFAULT
157 #define TCCF_OFFSET_UNKNOWN TCCF_OFFSET_DEFAULT
158
159 /*
160 * Miscellaneous definitions.
161 */
162 #define TC_SPEED_12_5_MHZ 0 /* 12.5MHz TC bus */
163 #define TC_SPEED_25_MHZ 1 /* 25MHz TC bus */
164
165 #endif /* __DEV_TC_TCVAR_H__ */
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