114b4164dd
should be easily adapted to SD 2.0 (aka SDHC), SDIO, MMC and MMCplus cards. At the present time, there's only one bridge driver for the ARM9 based Atmel AT91RM9200.
64 lines
1.9 KiB
Objective-C
64 lines
1.9 KiB
Objective-C
#-
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# Copyright (c) 2006 M. Warner Losh
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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#include <dev/mmc/mmcreg.h>
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#include <dev/mmc/bridge.h>
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#
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# This is the set of callbacks that mmc bridges call into the bus, or
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# that mmc/sd card drivers call to make requests.
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#
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INTERFACE mmcbus;
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#
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# Queue and wait for a request.
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#
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METHOD int wait_for_request {
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device_t brdev;
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device_t reqdev;
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struct mmc_request *req;
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};
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#
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# Claim the current bridge, blocking the current thread until the host
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# is no longer busy.
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#
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METHOD int acquire_bus {
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device_t brdev;
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device_t reqdev;
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}
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#
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# Release the current bridge.
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#
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METHOD int release_bus {
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device_t brdev;
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device_t reqdev;
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}
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