1#- 2# Copyright (c) 2006 M. Warner Losh <imp@FreeBSD.org> 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions 6# are met: 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. 12# 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 23# SUCH DAMAGE. 24# 25# Portions of this software may have been developed with reference to 26# the SD Simplified Specification. The following disclaimer may apply: 27# 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. 36# 37# Disclaimers: 38# 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. 51# 52# 53 54#include <sys/types.h> 55#include <dev/mmc/mmcreg.h> 56 57# 58# This is the set of callbacks that the MMC subroutines and the mmc/sd card 59# driver call into the bus to make requests. 60# 61 62INTERFACE mmcbus; 63 64# 65# Pause re-tuning, optionally with triggering re-tuning up-front. Requires 66# the bus to be claimed. 67# 68METHOD void retune_pause { 69 device_t busdev; 70 device_t reqdev; 71 bool retune; 72}; 73 74# 75# Unpause re-tuning. Requires the bus to be claimed. 76# 77METHOD void retune_unpause { 78 device_t busdev; 79 device_t reqdev; 80}; 81 82# 83# Queue and wait for a request. Requires the bus to be claimed. 84# 85METHOD int wait_for_request { 86 device_t busdev; 87 device_t reqdev; 88 struct mmc_request *req; 89}; 90 91# 92# Claim the current bus, blocking the current thread until the host is no 93# longer busy. 94# 95METHOD int acquire_bus { 96 device_t busdev; 97 device_t reqdev; 98}; 99 100# 101# Release the current bus. 102# 103METHOD int release_bus { 104 device_t busdev; 105 device_t reqdev; 106}; 107