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