1 /* $NetBSD: pcctwovar.h,v 1.1 2002/02/12 20:38:50 scw Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Steve C. Woodford
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #ifndef _MVME_PCCTWOVAR_H
40 #define _MVME_PCCTWOVAR_H
41
42 /*
43 * Structure used to attach PCC devices.
44 */
45 struct pcctwo_attach_args {
46 const char *pa_name; /* name of device */
47 int pa_ipl; /* interrupt level */
48 bus_dma_tag_t pa_dmat; /* DMA tag */
49 bus_space_tag_t pa_bust; /* Bus tag */
50 bus_addr_t pa_offset; /* Offset with 'Bus tag' bus space */
51
52 bus_addr_t _pa_base;
53 };
54
55 /*
56 * Structure used to describe a device for autoconfiguration purposes.
57 */
58 struct pcctwo_device {
59 char *pcc_name; /* name of device (e.g. "clock") */
60 bus_addr_t pcc_offset; /* offset from PCC2 base */
61 };
62
63 /*
64 * Macroes to make life easy when converting vector offset to interrupt
65 * control register, and how to initialise the ICSR.
66 */
67 #define VEC2ICSR(r,v) ((r) | (((v) | PCCTWO_ICR_IEN) << 8))
68 #define VEC2ICSR_REG(x) ((x) & 0xff)
69 #define VEC2ICSR_INIT(x) ((x) >> 8)
70
71 /* Shorthand for locators. */
72 #include "locators.h"
73 #define pcctwocf_ipl cf_loc[PCCTWOCF_IPL]
74
75 /*
76 * PCCChip2 driver's soft state structure
77 */
78 struct pcctwo_softc {
79 struct device sc_dev;
80 bus_space_tag_t sc_bust; /* PCCChip2's register tag */
81 bus_space_handle_t sc_bush; /* PCCChip2's register handle */
82 bus_dma_tag_t sc_dmat; /* PCCChip2's dma tag (unused)*/
83 int *sc_vec2icsr; /* Translate vector to ICSR */
84 int sc_vecbase;
85 void *sc_isrcookie;
86 void (*sc_isrlink)(void *, int (*)(void *), void *,
87 int, int, struct evcnt *);
88 void (*sc_isrunlink)(void *, int);
89 struct evcnt * (*sc_isrevcnt)(void *, int);
90 #if defined(MVME162) || defined(MVME172)
91 struct evcnt sc_evcnt;
92 #endif
93 };
94
95 extern struct pcctwo_softc *sys_pcctwo;
96
97 extern void pcctwo_init(struct pcctwo_softc *, struct pcctwo_device *, int);
98 extern struct evcnt *pcctwointr_evcnt(int);
99 extern void pcctwointr_establish(int, int (*)(void *), int, void *,
100 struct evcnt *);
101 extern void pcctwointr_disestablish(int);
102
103 #endif /* _MVME_PCCTWOVAR_H */
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