xref: /freebsd/sys/dev/sdhci/sdhci_if.m (revision 145992504973bd16cf3518af9ba5ce185fefa82a)
1#-
2# Copyright (c) 2006 M. Warner Losh
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# Portions of this software may have been developed with reference to
27# the SD Simplified Specification.  The following disclaimer may apply:
28#
29# The following conditions apply to the release of the simplified
30# specification ("Simplified Specification") by the SD Card Association and
31# the SD Group. The Simplified Specification is a subset of the complete SD
32# Specification which is owned by the SD Card Association and the SD
33# Group. This Simplified Specification is provided on a non-confidential
34# basis subject to the disclaimers below. Any implementation of the
35# Simplified Specification may require a license from the SD Card
36# Association, SD Group, SD-3C LLC or other third parties.
37#
38# Disclaimers:
39#
40# The information contained in the Simplified Specification is presented only
41# as a standard specification for SD Cards and SD Host/Ancillary products and
42# is provided "AS-IS" without any representations or warranties of any
43# kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
44# Card Association for any damages, any infringements of patents or other
45# right of the SD Group, SD-3C LLC, the SD Card Association or any third
46# parties, which may result from its use. No license is granted by
47# implication, estoppel or otherwise under any patent or other rights of the
48# SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
49# herein shall be construed as an obligation by the SD Group, the SD-3C LLC
50# or the SD Card Association to disclose or distribute any technical
51# information, know-how or other confidential information to any third party.
52#
53# $FreeBSD$
54#
55
56#
57# This is the set of callbacks that mmc bridges call into the bus, or
58# that mmc/sd card drivers call to make requests.
59#
60
61#include <machine/bus.h>
62CODE {
63	struct sdhci_slot;
64}
65
66INTERFACE sdhci;
67
68METHOD uint8_t read_1 {
69	device_t		brdev;
70	struct sdhci_slot	*slot;
71	bus_size_t		off;
72}
73
74METHOD uint16_t read_2 {
75	device_t		brdev;
76	struct sdhci_slot	*slot;
77	bus_size_t		off;
78}
79
80METHOD uint32_t read_4 {
81	device_t		brdev;
82	struct sdhci_slot	*slot;
83	bus_size_t		off;
84}
85
86METHOD void read_multi_4 {
87	device_t		brdev;
88	struct sdhci_slot	*slot;
89	bus_size_t		off;
90	uint32_t		*data;
91	bus_size_t		count;
92}
93
94METHOD void write_1 {
95	device_t		brdev;
96	struct sdhci_slot	*slot;
97	bus_size_t		off;
98	uint8_t			val;
99}
100
101METHOD void write_2 {
102	device_t		brdev;
103	struct sdhci_slot	*slot;
104	bus_size_t		off;
105	uint16_t		val;
106}
107
108METHOD void write_4 {
109	device_t		brdev;
110	struct sdhci_slot	*slot;
111	bus_size_t		off;
112	uint32_t		val;
113}
114
115METHOD void write_multi_4 {
116	device_t		brdev;
117	struct sdhci_slot	*slot;
118	bus_size_t		off;
119	uint32_t		*data;
120	bus_size_t		count;
121}
122