FreeBSD/Linux Kernel Cross Reference
sys/dev/mvme/mvmebus.h
1 /* $NetBSD: mvmebus.h,v 1.1 2002/02/12 20:38:48 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_MVMEBUS_H
40 #define _MVME_MVMEBUS_H
41
42 /*
43 * VMEbus master and slave windows are described using
44 * instances of this structure.
45 *
46 * The chip-specific code records the details of the available mappings
47 * for the MVME board.
48 */
49 struct mvmebus_range {
50 vme_am_t vr_am; /* Address modifier (A16, A24, A32) */
51 vme_datasize_t vr_datasize; /* Datasize: logical OR of D8,D16,D32 */
52 paddr_t vr_locstart; /* CPU-relative address of mapping */
53 paddr_t vr_mask; /* Mask to apply to this mapping */
54 vme_addr_t vr_vmestart; /* VMEbus start address */
55 vme_addr_t vr_vmeend; /* VMEbus end address */
56 };
57
58 /* Assigned to vr_am to specify the mapping is not valid */
59 #define MVMEBUS_AM_DISABLED ((vme_am_t)-1)
60
61 /* For slave mappings, these specify the slave's capabilities */
62 #define MVMEBUS_AM_CAP_DATA 0x0100
63 #define MVMEBUS_AM_CAP_PROG 0x0200
64 #define MVMEBUS_AM_CAP_BLK 0x0400
65 #define MVMEBUS_AM_CAP_BLKD64 0x0800
66 #define MVMEBUS_AM_CAP_USER 0x1000
67 #define MVMEBUS_AM_CAP_SUPER 0x2000
68 #define MVMEBUS_AM_HAS_CAP(x) (((x) & 0x3f00) != 0)
69
70 #define MVMEBUS_AM2CAP(am) (_mvmebus_am_cap[((am) & \
71 (VME_AM_MODEMASK | VME_AM_PRIVMASK))])
72
73
74 /*
75 * This records VMEbus-specific details of a region of bus_space_map'd
76 * VMEbus address space.
77 */
78 struct mvmebus_mapresc {
79 bus_space_handle_t mr_handle;
80 bus_addr_t mr_addr;
81 bus_size_t mr_size;
82 vme_am_t mr_am;
83 vme_datasize_t mr_datasize;
84 int mr_range;
85 };
86
87
88 /*
89 * This records the VMEbus-specific details of a region of phyisical
90 * memory accessible through a VMEbus slave map.
91 */
92 struct mvmebus_dmamap {
93 vme_am_t vm_am;
94 vme_datasize_t vm_datasize;
95 vme_swap_t vm_swap;
96 struct mvmebus_range *vm_slave;
97 };
98
99
100 struct mvmebus_softc {
101 struct device sc_dev;
102 bus_space_tag_t sc_bust;
103 bus_dma_tag_t sc_dmat;
104 short sc_irqref[8];
105 void *sc_chip;
106 int sc_nmasters;
107 struct mvmebus_range *sc_masters;
108 int sc_nslaves;
109 struct mvmebus_range *sc_slaves;
110 struct evcnt sc_evcnt[7];
111 void (*sc_intr_establish)(void *, int, int, int, int,
112 int (*)(void *), void *, struct evcnt *);
113 void (*sc_intr_disestablish)(void *, int, int, int,
114 struct evcnt *);
115 struct vme_chipset_tag sc_vct;
116 struct mvme68k_bus_dma_tag sc_mvmedmat;
117 };
118
119
120 void mvmebus_attach(struct mvmebus_softc *);
121 int mvmebus_map(void *, vme_addr_t, vme_size_t, vme_am_t,
122 vme_datasize_t, vme_swap_t, bus_space_tag_t *,
123 bus_space_handle_t *, vme_mapresc_t *);
124 void mvmebus_unmap(void *, vme_mapresc_t);
125 int mvmebus_probe(void *, vme_addr_t, vme_size_t,
126 vme_am_t, vme_datasize_t,
127 int (*) (void *, bus_space_tag_t, bus_space_handle_t), void *arg);
128 int mvmebus_intmap(void *, int, int, vme_intr_handle_t *);
129 const struct evcnt *mvmebus_intr_evcnt(void *, vme_intr_handle_t);
130 void * mvmebus_intr_establish(void *, vme_intr_handle_t, int,
131 int (*) (void *), void *);
132 void mvmebus_intr_disestablish(void *, vme_intr_handle_t);
133
134 int mvmebus_dmamap_create(void *, vme_size_t, vme_am_t, vme_datasize_t,
135 vme_swap_t, int, vme_size_t, vme_addr_t, int, bus_dmamap_t *);
136 void mvmebus_dmamap_destroy(void *, bus_dmamap_t);
137 int mvmebus_dmamap_load(bus_dma_tag_t, bus_dmamap_t,
138 void *, bus_size_t, struct proc *, int);
139 int mvmebus_dmamap_load_mbuf(bus_dma_tag_t,
140 bus_dmamap_t, struct mbuf *, int);
141 int mvmebus_dmamap_load_uio(bus_dma_tag_t,
142 bus_dmamap_t, struct uio *, int);
143 int mvmebus_dmamap_load_raw(bus_dma_tag_t,
144 bus_dmamap_t, bus_dma_segment_t *, int, bus_size_t, int);
145 void mvmebus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
146 void mvmebus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
147 bus_size_t, int);
148
149 int mvmebus_dmamem_alloc(void *, vme_size_t, vme_am_t, vme_datasize_t,
150 vme_swap_t, bus_dma_segment_t *, int, int *, int);
151 void mvmebus_dmamem_free(void *, bus_dma_segment_t *, int);
152 int mvmebus_dmamem_map(bus_dma_tag_t, bus_dma_segment_t *, int,
153 size_t, caddr_t *, int);
154 void mvmebus_dmamem_unmap(bus_dma_tag_t, caddr_t, size_t);
155 paddr_t mvmebus_dmamem_mmap(bus_dma_tag_t, bus_dma_segment_t *, int,
156 off_t, int, int);
157
158 extern vme_am_t _mvmebus_am_cap[];
159 extern const char *mvmebus_irq_name[];
160
161 #endif /* _MVME_MVMEBUS_H */
Cache object: c8d50aefd09fad8b446e644bb933573f
|