FreeBSD kernel CAM code
mmc.h
Go to the documentation of this file.
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2014-2016 Ilya Bakulin. 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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Portions of this software may have been developed with reference to
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* the SD Simplified Specification. The following disclaimer may apply:
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*
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* The following conditions apply to the release of the simplified
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* specification ("Simplified Specification") by the SD Card Association and
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* the SD Group. The Simplified Specification is a subset of the complete SD
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* Specification which is owned by the SD Card Association and the SD
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* Group. This Simplified Specification is provided on a non-confidential
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* basis subject to the disclaimers below. Any implementation of the
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* Simplified Specification may require a license from the SD Card
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* Association, SD Group, SD-3C LLC or other third parties.
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*
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* Disclaimers:
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*
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* The information contained in the Simplified Specification is presented only
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* as a standard specification for SD Cards and SD Host/Ancillary products and
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* is provided "AS-IS" without any representations or warranties of any
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* kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
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* Card Association for any damages, any infringements of patents or other
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* right of the SD Group, SD-3C LLC, the SD Card Association or any third
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* parties, which may result from its use. No license is granted by
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* implication, estoppel or otherwise under any patent or other rights of the
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* SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
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* herein shall be construed as an obligation by the SD Group, the SD-3C LLC
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* or the SD Card Association to disclose or distribute any technical
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* information, know-how or other confidential information to any third party.
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*
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* Inspired coded in sys/dev/mmc. Thanks to Warner Losh <imp@FreeBSD.org>,
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* Bernd Walter <tisco@FreeBSD.org>, and other authors.
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*
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* $FreeBSD$
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*/
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#ifndef CAM_MMC_H
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#define CAM_MMC_H
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#include <dev/mmc/mmcreg.h>
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/*
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* This structure describes an MMC/SD card
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*/
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struct
mmc_params
{
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u_int8_t
model
[40];
/* Card model */
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/* Card OCR */
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uint32_t
card_ocr
;
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/* OCR of the IO portion of the card */
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uint32_t
io_ocr
;
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/* Card CID -- raw and parsed */
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uint32_t
card_cid
[4];
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struct
mmc_cid
cid
;
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/* Card CSD -- raw */
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uint32_t
card_csd
[4];
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/* Card RCA */
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uint16_t
card_rca
;
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/* What kind of card is it */
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uint32_t
card_features
;
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#define CARD_FEATURE_MEMORY 0x1
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#define CARD_FEATURE_SDHC 0x1 << 1
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#define CARD_FEATURE_SDIO 0x1 << 2
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#define CARD_FEATURE_SD20 0x1 << 3
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#define CARD_FEATURE_MMC 0x1 << 4
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#define CARD_FEATURE_18V 0x1 << 5
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uint8_t
sdio_func_count
;
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}
__packed
;
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/*
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* Only one MMC card on bus is supported now.
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* If we ever want to support multiple MMC cards on the same bus,
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* mmc_xpt needs to be extended to issue new RCAs based on number
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* of already probed cards. Furthermore, retuning and high-speed
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* settings should also take all cards into account.
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*/
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#define MMC_PROPOSED_RCA 2
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#endif
__packed
struct mmc_params __packed
mmc_params
Definition:
mmc.h:66
mmc_params::card_ocr
uint32_t card_ocr
Definition:
mmc.h:70
mmc_params::card_csd
uint32_t card_csd[4]
Definition:
mmc.h:80
mmc_params::cid
struct mmc_cid cid
Definition:
mmc.h:77
mmc_params::sdio_func_count
uint8_t sdio_func_count
Definition:
mmc.h:94
mmc_params::model
u_int8_t model[40]
Definition:
mmc.h:67
mmc_params::io_ocr
uint32_t io_ocr
Definition:
mmc.h:73
mmc_params::card_features
uint32_t card_features
Definition:
mmc.h:86
mmc_params::card_rca
uint16_t card_rca
Definition:
mmc.h:83
mmc_params::card_cid
uint32_t card_cid[4]
Definition:
mmc.h:76
cam
mmc
mmc.h
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