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# $FreeBSD$ 27# 28 29#include <dev/mmc/mmcreg.h> 30#include <dev/mmc/bridge.h> 31 32# 33# This is the set of callbacks that mmc bridges call into the bus, or 34# that mmc/sd card drivers call to make requests. 35# 36 37INTERFACE mmcbus; 38 39# 40# Queue and wait for a request. 41# 42METHOD int wait_for_request { 43 device_t brdev; 44 device_t reqdev; 45 struct mmc_request *req; 46}; 47 48# 49# Claim the current bridge, blocking the current thread until the host 50# is no longer busy. 51# 52METHOD int acquire_bus { 53 device_t brdev; 54 device_t reqdev; 55} 56 57# 58# Release the current bridge. 59# 60METHOD int release_bus { 61 device_t brdev; 62 device_t reqdev; 63} 64