1 /*- 2 * Copyright (c) 2017 Ilya Bakulin. All rights reserved. 3 * Copyright (c) 2018-2019 The FreeBSD Foundation 4 * 5 * Portions of this software were developed by Björn Zeeb 6 * under sponsorship from the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 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. 16 * 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. 27 * 28 * 29 * Portions of this software may have been developed with reference to 30 * the SD Simplified Specification. The following disclaimer may apply: 31 * 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. 40 * 41 * Disclaimers: 42 * 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. 55 * 56 */ 57 58 #ifndef _SDIO_SUBR_H_ 59 #define _SDIO_SUBR_H_ 60 61 /* 62 * This file contains structures and functions to work with SDIO cards. 63 */ 64 65 struct sdio_func { 66 device_t dev; /* The device to talk to CAM. */ 67 uintptr_t drvdata; /* Driver specific data. */ 68 69 uint8_t fn; /* Function number. */ 70 71 uint8_t class; /* Class of function. */ 72 uint16_t vendor; /* Manufacturer ID. */ 73 uint16_t device; /* Card ID. */ 74 75 uint16_t max_blksize; /* Maximum block size of function. */ 76 uint16_t cur_blksize; /* Current block size of function. */ 77 78 uint16_t retries; /* Retires for CAM operations. */ 79 uint32_t timeout; /* Timeout. */ 80 }; 81 82 struct card_info { 83 struct sdio_func f[8]; 84 85 /* Compared to R4 Number of I/O Functions we DO count F0 here. */ 86 uint8_t num_funcs; 87 88 bool support_multiblk; /* Support Multiple Block Transfer */ 89 }; 90 91 #ifdef _KERNEL 92 int sdio_enable_func(struct sdio_func *); 93 int sdio_disable_func(struct sdio_func *); 94 int sdio_set_block_size(struct sdio_func *, uint16_t); 95 96 uint8_t sdio_read_1(struct sdio_func *, uint32_t, int *); 97 void sdio_write_1(struct sdio_func *, uint32_t, uint8_t, int *); 98 uint32_t sdio_read_4(struct sdio_func *, uint32_t, int *); 99 void sdio_write_4(struct sdio_func *, uint32_t, uint32_t, int *); 100 101 uint8_t sdio_f0_read_1(struct sdio_func *, uint32_t, int *); 102 void sdio_f0_write_1(struct sdio_func *, uint32_t, uint8_t, int *); 103 #endif /* _KERNEL */ 104 105 #endif /* _SDIO_SUBR_H_ */ 106