1 /* 2 * Header for MultiMediaCard (MMC) 3 * 4 * Copyright 2002 Hewlett-Packard Company 5 * 6 * Use consistent with the GNU GPL is permitted, 7 * provided that this copyright notice is 8 * preserved in its entirety in all copies and derived works. 9 * 10 * HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED, 11 * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS 12 * FITNESS FOR ANY PARTICULAR PURPOSE. 13 * 14 * Many thanks to Alessandro Rubini and Jonathan Corbet! 15 * 16 * Based strongly on code by: 17 * 18 * Author: Yong-iL Joh <tolkien@mizi.com> 19 * 20 * Author: Andrew Christian 21 * 15 May 2002 22 */ 23 24 // clang-format off 25 #ifndef LINUX_MMC_MMC_H 26 #define LINUX_MMC_MMC_H 27 28 #include <linux/types.h> 29 30 /* Standard MMC commands (4.1) type argument response */ 31 /* class 1 */ 32 #define MMC_SWITCH 6 /* ac [31:0] See below R1b */ 33 #define MMC_SEND_EXT_CSD 8 /* adtc R1 */ 34 35 /* 36 * EXT_CSD fields 37 */ 38 39 #define EXT_CSD_BKOPS_EN 163 /* R/W */ 40 #define EXT_CSD_BKOPS_START 164 /* W */ 41 #define EXT_CSD_BKOPS_STATUS 246 /* RO */ 42 #define EXT_CSD_BKOPS_SUPPORT 502 /* RO */ 43 44 /* 45 * EXT_CSD field definitions 46 */ 47 48 #define EXT_CSD_CMD_SET_NORMAL (1<<0) 49 50 /* 51 * BKOPS modes 52 */ 53 #define EXT_CSD_MANUAL_BKOPS_MASK 0x01 54 #define EXT_CSD_AUTO_BKOPS_MASK 0x02 55 56 /* 57 * MMC_SWITCH access modes 58 */ 59 #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */ 60 61 #endif /* LINUX_MMC_MMC_H */ 62 // clang-format on 63