85 lines
2.4 KiB
Mathematica
85 lines
2.4 KiB
Mathematica
|
#-
|
||
|
|
# Copyright (c) 2006 M. Warner Losh
|
||
|
|
# All rights reserved.
|
||
|
|
#
|
||
|
|
# Redistribution and use in source and binary forms, with or without
|
||
|
|
# modification, are permitted provided that the following conditions
|
||
|
|
# are met:
|
||
|
|
# 1. Redistributions of source code must retain the above copyright
|
||
|
|
# notice, this list of conditions and the following disclaimer.
|
||
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
# notice, this list of conditions and the following disclaimer in the
|
||
|
|
# documentation and/or other materials provided with the distribution.
|
||
|
|
#
|
||
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
# SUCH DAMAGE.
|
||
|
|
#
|
||
|
|
# $FreeBSD$
|
||
|
|
#
|
||
|
|
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <dev/mmc/bridge.h>
|
||
|
|
#include <dev/mmc/mmcreg.h>
|
||
|
|
|
||
|
|
#
|
||
|
|
# This is the interface that a mmc bridge chip gives to the mmc bus
|
||
|
|
# that attaches to the mmc bridge.
|
||
|
|
#
|
||
|
|
|
||
|
|
INTERFACE mmcbr;
|
||
|
|
|
||
|
|
#
|
||
|
|
# Called by the mmcbus to setup the IO pins correctly, the voltage to use
|
||
|
|
# for the card, the type of selects, power modes and bus width.
|
||
|
|
#
|
||
|
|
METHOD int update_ios {
|
||
|
|
device_t brdev;
|
||
|
|
device_t reqdev;
|
||
|
|
};
|
||
|
|
|
||
|
|
#
|
||
|
|
# Called by the mmcbus or its children to schedule a mmc request. These
|
||
|
|
# requests are queued. Time passes. The bridge then gets notification
|
||
|
|
# of the status of request, who then notifies the requesting device via
|
||
|
|
# the xfer_done mmcbus method.
|
||
|
|
#
|
||
|
|
METHOD int request {
|
||
|
|
device_t brdev;
|
||
|
|
device_t reqdev;
|
||
|
|
struct mmc_request *req;
|
||
|
|
};
|
||
|
|
|
||
|
|
#
|
||
|
|
# Called by mmcbus to get the read only status bits.
|
||
|
|
#
|
||
|
|
METHOD int get_ro {
|
||
|
|
device_t brdev;
|
||
|
|
device_t reqdev;
|
||
|
|
};
|
||
|
|
|
||
|
|
#
|
||
|
|
# Claim the current bridge, blocking the current thread until the host
|
||
|
|
# is no longer busy.
|
||
|
|
#
|
||
|
|
METHOD int acquire_host {
|
||
|
|
device_t brdev;
|
||
|
|
device_t reqdev;
|
||
|
|
}
|
||
|
|
|
||
|
|
#
|
||
|
|
# Release the current bridge.
|
||
|
|
#
|
||
|
|
METHOD int release_host {
|
||
|
|
device_t brdev;
|
||
|
|
device_t reqdev;
|
||
|
|
}
|