2 * Copyright (c) 2017 Ilya Bakulin. All rights reserved.
3 * Copyright (c) 2018-2019 The FreeBSD Foundation
5 * Portions of this software were developed by Björn Zeeb
6 * under sponsorship from the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 * Portions of this software may have been developed with reference to
30 * the SD Simplified Specification. The following disclaimer may apply:
32 * The following conditions apply to the release of the simplified
33 * specification ("Simplified Specification") by the SD Card Association and
34 * the SD Group. The Simplified Specification is a subset of the complete SD
35 * Specification which is owned by the SD Card Association and the SD
36 * Group. This Simplified Specification is provided on a non-confidential
37 * basis subject to the disclaimers below. Any implementation of the
38 * Simplified Specification may require a license from the SD Card
39 * Association, SD Group, SD-3C LLC or other third parties.
43 * The information contained in the Simplified Specification is presented only
44 * as a standard specification for SD Cards and SD Host/Ancillary products and
45 * is provided "AS-IS" without any representations or warranties of any
46 * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
47 * Card Association for any damages, any infringements of patents or other
48 * right of the SD Group, SD-3C LLC, the SD Card Association or any third
49 * parties, which may result from its use. No license is granted by
50 * implication, estoppel or otherwise under any patent or other rights of the
51 * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
52 * herein shall be construed as an obligation by the SD Group, the SD-3C LLC
53 * or the SD Card Association to disclose or distribute any technical
54 * information, know-how or other confidential information to any third party.
64 * This file contains structures and functions to work with SDIO cards.
68 device_t dev; /* The device to talk to CAM. */
69 uintptr_t drvdata; /* Driver specific data. */
71 uint8_t fn; /* Function number. */
73 uint8_t class; /* Class of function. */
74 uint16_t vendor; /* Manufacturer ID. */
75 uint16_t device; /* Card ID. */
77 uint16_t max_blksize; /* Maximum block size of function. */
78 uint16_t cur_blksize; /* Current block size of function. */
80 uint16_t retries; /* Retires for CAM operations. */
81 uint32_t timeout; /* Timeout. */
85 struct sdio_func f[8];
87 /* Compared to R4 Number of I/O Functions we DO count F0 here. */
90 bool support_multiblk; /* Support Multiple Block Transfer */
94 int sdio_enable_func(struct sdio_func *);
95 int sdio_disable_func(struct sdio_func *);
96 int sdio_set_block_size(struct sdio_func *, uint16_t);
98 uint8_t sdio_readb(struct sdio_func *, uint32_t, int *);
99 void sdio_writeb(struct sdio_func *, uint8_t, uint32_t, int *);
100 uint32_t sdio_readl(struct sdio_func *, uint32_t, int *);
101 void sdio_writel(struct sdio_func *, uint32_t, uint32_t, int *);
103 uint8_t sdio_f0_readb(struct sdio_func *, uint32_t, int *);
104 void sdio_f0_writeb(struct sdio_func *, uint8_t, uint32_t, int *);
107 #endif /* _SDIO_SUBR_H_ */