| 1 | /*- |
| 2 | * SPDX-License-Identifier: BSD-2-Clause |
| 3 | * |
| 4 | * Copyright (c) 2014-2016 Ilya Bakulin. All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | * |
| 26 | * Portions of this software may have been developed with reference to |
| 27 | * the SD Simplified Specification. The following disclaimer may apply: |
| 28 | * |
| 29 | * The following conditions apply to the release of the simplified |
| 30 | * specification ("Simplified Specification") by the SD Card Association and |
| 31 | * the SD Group. The Simplified Specification is a subset of the complete SD |
| 32 | * Specification which is owned by the SD Card Association and the SD |
| 33 | * Group. This Simplified Specification is provided on a non-confidential |
| 34 | * basis subject to the disclaimers below. Any implementation of the |
| 35 | * Simplified Specification may require a license from the SD Card |
| 36 | * Association, SD Group, SD-3C LLC or other third parties. |
| 37 | * |
| 38 | * Disclaimers: |
| 39 | * |
| 40 | * The information contained in the Simplified Specification is presented only |
| 41 | * as a standard specification for SD Cards and SD Host/Ancillary products and |
| 42 | * is provided "AS-IS" without any representations or warranties of any |
| 43 | * kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD |
| 44 | * Card Association for any damages, any infringements of patents or other |
| 45 | * right of the SD Group, SD-3C LLC, the SD Card Association or any third |
| 46 | * parties, which may result from its use. No license is granted by |
| 47 | * implication, estoppel or otherwise under any patent or other rights of the |
| 48 | * SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing |
| 49 | * herein shall be construed as an obligation by the SD Group, the SD-3C LLC |
| 50 | * or the SD Card Association to disclose or distribute any technical |
| 51 | * information, know-how or other confidential information to any third party. |
| 52 | * |
| 53 | * Inspired coded in sys/dev/mmc. Thanks to Warner Losh <imp@FreeBSD.org>, |
| 54 | * Bernd Walter <tisco@FreeBSD.org>, and other authors. |
| 55 | */ |
| 56 | |
| 57 | #ifndef CAM_MMC_H |
| 58 | #define CAM_MMC_H |
| 59 | |
| 60 | #include <dev/mmc/mmcreg.h> |
| 61 | /* |
| 62 | * This structure describes an MMC/SD card |
| 63 | */ |
| 64 | struct mmc_params { |
| 65 | uint8_t model[40]; /* Card model */ |
| 66 | |
| 67 | /* Card OCR */ |
| 68 | uint32_t card_ocr; |
| 69 | |
| 70 | /* OCR of the IO portion of the card */ |
| 71 | uint32_t io_ocr; |
| 72 | |
| 73 | /* Card CID -- raw and parsed */ |
| 74 | uint32_t card_cid[4]; |
| 75 | struct mmc_cid cid; |
| 76 | |
| 77 | /* Card CSD -- raw */ |
| 78 | uint32_t card_csd[4]; |
| 79 | |
| 80 | /* Card RCA */ |
| 81 | uint16_t card_rca; |
| 82 | |
| 83 | /* What kind of card is it */ |
| 84 | uint32_t card_features; |
| 85 | #define CARD_FEATURE_MEMORY 0x1 |
| 86 | #define CARD_FEATURE_SDHC 0x1 << 1 |
| 87 | #define CARD_FEATURE_SDIO 0x1 << 2 |
| 88 | #define CARD_FEATURE_SD20 0x1 << 3 |
| 89 | #define CARD_FEATURE_MMC 0x1 << 4 |
| 90 | #define CARD_FEATURE_18V 0x1 << 5 |
| 91 | |
| 92 | uint8_t sdio_func_count; |
| 93 | } __packed; |
| 94 | |
| 95 | /* |
| 96 | * Only one MMC card on bus is supported now. |
| 97 | * If we ever want to support multiple MMC cards on the same bus, |
| 98 | * mmc_xpt needs to be extended to issue new RCAs based on number |
| 99 | * of already probed cards. Furthermore, retuning and high-speed |
| 100 | * settings should also take all cards into account. |
| 101 | */ |
| 102 | #define MMC_PROPOSED_RCA 2 |
| 103 | #endif |