2 # Copyright (c) 2006 M. Warner Losh
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
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.
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
26 # Portions of this software may have been developed with reference to
27 # the SD Simplified Specification. The following disclaimer may apply:
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.
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.
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.
61 #include <sys/types.h>
62 #include <sys/systm.h>
64 #include <sys/mutex.h>
65 #include <sys/sysctl.h>
66 #include <sys/taskqueue.h>
68 #include <machine/bus.h>
70 #include <dev/mmc/bridge.h>
71 #include <dev/mmc/mmcreg.h>
72 #include <dev/sdhci/sdhci.h>
80 METHOD uint8_t read_1 {
82 struct sdhci_slot *slot;
86 METHOD uint16_t read_2 {
88 struct sdhci_slot *slot;
92 METHOD uint32_t read_4 {
94 struct sdhci_slot *slot;
98 METHOD void read_multi_4 {
100 struct sdhci_slot *slot;
106 METHOD void write_1 {
108 struct sdhci_slot *slot;
113 METHOD void write_2 {
115 struct sdhci_slot *slot;
120 METHOD void write_4 {
122 struct sdhci_slot *slot;
127 METHOD void write_multi_4 {
129 struct sdhci_slot *slot;
135 METHOD int platform_will_handle {
137 struct sdhci_slot *slot;
140 METHOD void platform_start_transfer {
142 struct sdhci_slot *slot;
146 METHOD void platform_finish_transfer {
148 struct sdhci_slot *slot;
151 METHOD uint32_t min_freq {
153 struct sdhci_slot *slot;
154 } DEFAULT sdhci_generic_min_freq;