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 <sys/lock.h> 62#include <sys/mutex.h> 63#include <sys/types.h> 64#include <sys/sysctl.h> 65#include <sys/taskqueue.h> 66 67#include <machine/bus.h> 68 69#include <dev/mmc/bridge.h> 70#include <dev/sdhci/sdhci.h> 71 72CODE { 73 static void 74 null_set_uhs_timing(device_t brdev __unused, 75 struct sdhci_slot *slot __unused) 76 { 77 78 } 79} 80 81INTERFACE sdhci; 82 83METHOD uint8_t read_1 { 84 device_t brdev; 85 struct sdhci_slot *slot; 86 bus_size_t off; 87} 88 89METHOD uint16_t read_2 { 90 device_t brdev; 91 struct sdhci_slot *slot; 92 bus_size_t off; 93} 94 95METHOD uint32_t read_4 { 96 device_t brdev; 97 struct sdhci_slot *slot; 98 bus_size_t off; 99} 100 101METHOD void read_multi_4 { 102 device_t brdev; 103 struct sdhci_slot *slot; 104 bus_size_t off; 105 uint32_t *data; 106 bus_size_t count; 107} 108 109METHOD void write_1 { 110 device_t brdev; 111 struct sdhci_slot *slot; 112 bus_size_t off; 113 uint8_t val; 114} 115 116METHOD void write_2 { 117 device_t brdev; 118 struct sdhci_slot *slot; 119 bus_size_t off; 120 uint16_t val; 121} 122 123METHOD void write_4 { 124 device_t brdev; 125 struct sdhci_slot *slot; 126 bus_size_t off; 127 uint32_t val; 128} 129 130METHOD void write_multi_4 { 131 device_t brdev; 132 struct sdhci_slot *slot; 133 bus_size_t off; 134 uint32_t *data; 135 bus_size_t count; 136} 137 138METHOD int platform_will_handle { 139 device_t brdev; 140 struct sdhci_slot *slot; 141} 142 143METHOD void platform_start_transfer { 144 device_t brdev; 145 struct sdhci_slot *slot; 146 uint32_t *intmask; 147} 148 149METHOD void platform_finish_transfer { 150 device_t brdev; 151 struct sdhci_slot *slot; 152} 153 154METHOD uint32_t min_freq { 155 device_t brdev; 156 struct sdhci_slot *slot; 157} DEFAULT sdhci_generic_min_freq; 158 159METHOD bool get_card_present { 160 device_t brdev; 161 struct sdhci_slot *slot; 162} DEFAULT sdhci_generic_get_card_present; 163 164METHOD void set_uhs_timing { 165 device_t brdev; 166 struct sdhci_slot *slot; 167} DEFAULT null_set_uhs_timing; 168