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106 lines
4.4 KiB
C
106 lines
4.4 KiB
C
/*-
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* Copyright (c) 2017 Ilya Bakulin. All rights reserved.
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* Copyright (c) 2018-2019 The FreeBSD Foundation
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*
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* Portions of this software were developed by Björn Zeeb
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* under sponsorship from the FreeBSD Foundation.
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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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*
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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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*/
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#ifndef _SDIO_SUBR_H_
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#define _SDIO_SUBR_H_
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/*
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* This file contains structures and functions to work with SDIO cards.
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*/
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struct sdio_func {
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device_t dev; /* The device to talk to CAM. */
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uintptr_t drvdata; /* Driver specific data. */
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uint8_t fn; /* Function number. */
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uint8_t class; /* Class of function. */
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uint16_t vendor; /* Manufacturer ID. */
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uint16_t device; /* Card ID. */
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uint16_t max_blksize; /* Maximum block size of function. */
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uint16_t cur_blksize; /* Current block size of function. */
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uint16_t retries; /* Retires for CAM operations. */
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uint32_t timeout; /* Timeout. */
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};
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struct card_info {
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struct sdio_func f[8];
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/* Compared to R4 Number of I/O Functions we DO count F0 here. */
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uint8_t num_funcs;
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bool support_multiblk; /* Support Multiple Block Transfer */
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};
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#ifdef _KERNEL
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int sdio_enable_func(struct sdio_func *);
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int sdio_disable_func(struct sdio_func *);
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int sdio_set_block_size(struct sdio_func *, uint16_t);
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uint8_t sdio_read_1(struct sdio_func *, uint32_t, int *);
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void sdio_write_1(struct sdio_func *, uint32_t, uint8_t, int *);
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uint32_t sdio_read_4(struct sdio_func *, uint32_t, int *);
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void sdio_write_4(struct sdio_func *, uint32_t, uint32_t, int *);
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uint8_t sdio_f0_read_1(struct sdio_func *, uint32_t, int *);
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void sdio_f0_write_1(struct sdio_func *, uint32_t, uint8_t, int *);
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#endif /* _KERNEL */
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#endif /* _SDIO_SUBR_H_ */
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