1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2017 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Landon Fuller under sponsorship from
* the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*
* $FreeBSD$
*/
#ifndef _BHND_EROM_BHND_EROMVAR_H_
#define _BHND_EROM_BHND_EROMVAR_H_
#include <sys/param.h>
#include "bhnd_erom.h"
/* forward declarations */
struct bhnd_erom_io;
struct bhnd_erom_iobus;
/** @see bhnd_erom_io_map() */
typedef int (bhnd_erom_io_map_t)(struct bhnd_erom_io *eio,
bhnd_addr_t addr, bhnd_size_t size);
/** @see bhnd_erom_io_tell() */
typedef int (bhnd_erom_io_tell_t)(struct bhnd_erom_io *eio,
bhnd_addr_t *addr, bhnd_size_t *size);
/** @see bhnd_erom_io_read() */
typedef uint32_t (bhnd_erom_io_read_t)(struct bhnd_erom_io *eio,
bhnd_size_t offset, u_int width);
/** @see bhnd_erom_io_fini() */
typedef void (bhnd_erom_io_fini_t)(struct bhnd_erom_io *eio);
int bhnd_erom_read_chipid(struct bhnd_erom_io *eio,
struct bhnd_chipid *cid);
/**
* Abstract EROM bus I/O support.
*/
struct bhnd_erom_io {
bhnd_erom_io_map_t *map; /**< @see bhnd_erom_io_map() */
bhnd_erom_io_tell_t *tell; /**< @see bhnd_erom_io_tell() */
bhnd_erom_io_read_t *read; /**< @see bhnd_erom_io_read() */
bhnd_erom_io_fini_t *fini; /**< @see bhnd_erom_io_fini(). May be NULL */
};
/**
* EROM bus handle/tag I/O instance state.
*/
struct bhnd_erom_iobus {
struct bhnd_erom_io eio;
bhnd_addr_t addr; /**< the address of @p bsh */
bhnd_size_t size; /**< the size of @p bsh */
bus_space_tag_t bst; /**< bus space tag */
bus_space_handle_t bsh; /**< bus space handle mapping the full enumeration space */
bool mapped; /**< if a mapping is active */
bus_size_t offset; /**< the current mapped offset within bsh */
bus_size_t limit; /**< the current mapped size relative to offset */
};
#endif /* _BHND_EROM_BHND_EROMVAR_H_ */
|
