linux/include/linux/mmc/sd.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  include/linux/mmc/sd.h
 *
 *  Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
 */

#ifndef LINUX_MMC_SD_H
#define LINUX_MMC_SD_H

/* SD commands                           type  argument     response */
  /* class 0 */
/* This is basically the same command as for MMC with some quirks. */
#define SD_SEND_RELATIVE_ADDR
#define SD_SEND_IF_COND
#define SD_SWITCH_VOLTAGE

  /* class 10 */
#define SD_SWITCH

  /* class 5 */
#define SD_ERASE_WR_BLK_START
#define SD_ERASE_WR_BLK_END

  /* Application commands */
#define SD_APP_SET_BUS_WIDTH
#define SD_APP_SD_STATUS
#define SD_APP_SEND_NUM_WR_BLKS
#define SD_APP_OP_COND
#define SD_APP_SEND_SCR

  /* class 11 */
#define SD_READ_EXTR_SINGLE
#define SD_WRITE_EXTR_SINGLE

/* OCR bit definitions */
#define SD_OCR_S18R
#define SD_ROCR_S18A
#define SD_OCR_XPC
#define SD_OCR_CCS

/*
 * SD_SWITCH argument format:
 *
 *      [31] Check (0) or switch (1)
 *      [30:24] Reserved (0)
 *      [23:20] Function group 6
 *      [19:16] Function group 5
 *      [15:12] Function group 4
 *      [11:8] Function group 3
 *      [7:4] Function group 2
 *      [3:0] Function group 1
 */

/*
 * SD_SEND_IF_COND argument format:
 *
 *	[31:12] Reserved (0)
 *	[11:8] Host Voltage Supply Flags
 *	[7:0] Check Pattern (0xAA)
 */

/*
 * SCR field definitions
 */

#define SCR_SPEC_VER_0
#define SCR_SPEC_VER_1
#define SCR_SPEC_VER_2

/*
 * SD bus widths
 */
#define SD_BUS_WIDTH_1
#define SD_BUS_WIDTH_4

/*
 * SD_SWITCH mode
 */
#define SD_SWITCH_CHECK
#define SD_SWITCH_SET

/*
 * SD_SWITCH function groups
 */
#define SD_SWITCH_GRP_ACCESS

/*
 * SD_SWITCH access modes
 */
#define SD_SWITCH_ACCESS_DEF
#define SD_SWITCH_ACCESS_HS

/*
 * Erase/discard
 */
#define SD_ERASE_ARG
#define SD_DISCARD_ARG

#endif /* LINUX_MMC_SD_H */