2 # Copyright (c) 2006 M. Warner Losh <imp@FreeBSD.org>
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions
7 # 1. Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
9 # 2. Redistributions in binary form must reproduce the above copyright
10 # notice, this list of conditions and the following disclaimer in the
11 # documentation and/or other materials provided with the distribution.
13 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 # Portions of this software may have been developed with reference to
26 # the SD Simplified Specification. The following disclaimer may apply:
28 # The following conditions apply to the release of the simplified
29 # specification ("Simplified Specification") by the SD Card Association and
30 # the SD Group. The Simplified Specification is a subset of the complete SD
31 # Specification which is owned by the SD Card Association and the SD
32 # Group. This Simplified Specification is provided on a non-confidential
33 # basis subject to the disclaimers below. Any implementation of the
34 # Simplified Specification may require a license from the SD Card
35 # Association, SD Group, SD-3C LLC or other third parties.
39 # The information contained in the Simplified Specification is presented only
40 # as a standard specification for SD Cards and SD Host/Ancillary products and
41 # is provided "AS-IS" without any representations or warranties of any
42 # kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
43 # Card Association for any damages, any infringements of patents or other
44 # right of the SD Group, SD-3C LLC, the SD Card Association or any third
45 # parties, which may result from its use. No license is granted by
46 # implication, estoppel or otherwise under any patent or other rights of the
47 # SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
48 # herein shall be construed as an obligation by the SD Group, the SD-3C LLC
49 # or the SD Card Association to disclose or distribute any technical
50 # information, know-how or other confidential information to any third party.
56 # This is the set of callbacks that mmc bridges call into the bus, or
57 # that mmc/sd card drivers call to make requests.
61 #include <sys/mutex.h>
62 #include <sys/types.h>
63 #include <sys/sysctl.h>
64 #include <sys/taskqueue.h>
66 #include <machine/bus.h>
68 #include <dev/mmc/bridge.h>
69 #include <dev/sdhci/sdhci.h>
73 null_set_uhs_timing(device_t brdev __unused,
74 struct sdhci_slot *slot __unused)
82 METHOD uint8_t read_1 {
84 struct sdhci_slot *slot;
88 METHOD uint16_t read_2 {
90 struct sdhci_slot *slot;
94 METHOD uint32_t read_4 {
96 struct sdhci_slot *slot;
100 METHOD void read_multi_4 {
102 struct sdhci_slot *slot;
108 METHOD void write_1 {
110 struct sdhci_slot *slot;
115 METHOD void write_2 {
117 struct sdhci_slot *slot;
122 METHOD void write_4 {
124 struct sdhci_slot *slot;
129 METHOD void write_multi_4 {
131 struct sdhci_slot *slot;
137 METHOD int platform_will_handle {
139 struct sdhci_slot *slot;
142 METHOD void platform_start_transfer {
144 struct sdhci_slot *slot;
148 METHOD void platform_finish_transfer {
150 struct sdhci_slot *slot;
153 METHOD uint32_t min_freq {
155 struct sdhci_slot *slot;
156 } DEFAULT sdhci_generic_min_freq;
158 METHOD bool get_card_present {
160 struct sdhci_slot *slot;
161 } DEFAULT sdhci_generic_get_card_present;
163 METHOD void set_uhs_timing {
165 struct sdhci_slot *slot;
166 } DEFAULT null_set_uhs_timing;