/*
* include/linux/mmc/sd.h
*
* Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
* Copyright (C) 2018 CTCaer
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*/
#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 3 /* bcr R6 */
#define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */
#define SD_SWITCH_VOLTAGE 11 /* ac R1 */
/* class 10 */
#define SD_SWITCH 6 /* adtc [31:0] See below R1 */
/* class 5 */
#define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */
#define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */
/* Application commands */
#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
#define SD_APP_SD_STATUS 13 /* adtc R1 */
#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
#define SD_APP_SET_CLR_CARD_DETECT 42 /* ac [0] set cd R1 */
#define SD_APP_SEND_SCR 51 /* adtc R1 */
/* OCR bit definitions */
#define SD_OCR_S18R (1 << 24) /* 1.8V switching request */
#define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */
#define SD_OCR_XPC (1 << 28) /* SDXC power control */
#define SD_OCR_CCS (1 << 30) /* Card Capacity Status */
#define SD_OCR_VDD_LOW (1 << 7) /* SD: Reserved for Low Voltage Range */
#define SD_OCR_VDD_20_21 (1 << 8)
#define SD_OCR_VDD_21_22 (1 << 9)
#define SD_OCR_VDD_22_23 (1 << 10)
#define SD_OCR_VDD_23_24 (1 << 11)
#define SD_OCR_VDD_24_25 (1 << 12)
#define SD_OCR_VDD_25_26 (1 << 13)
#define SD_OCR_VDD_26_27 (1 << 14)
#define SD_OCR_VDD_27_28 (1 << 15)
#define SD_OCR_VDD_28_29 (1 << 16)
#define SD_OCR_VDD_29_30 (1 << 17)
#define SD_OCR_VDD_30_31 (1 << 18)
#define SD_OCR_VDD_31_32 (1 << 19)
#define SD_OCR_VDD_32_33 (1 << 20)
#define SD_OCR_VDD_33_34 (1 << 21)
#define SD_OCR_VDD_34_35 (1 << 22)
#define SD_OCR_VDD_35_36 (1 << 23)
/*
* 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 SD_SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
#define SD_SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
#define SD_SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */
#define SD_SCR_BUS_WIDTH_1 1
#define SD_SCR_BUS_WIDTH_4 4
#define SD_SCR_CMD20_SUPPORT 1
#define SD_SCR_CMD23_SUPPORT 2
/*
* SD bus widths
*/
#define SD_BUS_WIDTH_1 0
#define SD_BUS_WIDTH_4 2
/*
* SD bus speed modes
*/
#define UHS_SDR12_BUS_SPEED 0
#define HIGH_SPEED_BUS_SPEED 1
#define UHS_SDR25_BUS_SPEED 1
#define UHS_SDR50_BUS_SPEED 2
#define UHS_SDR104_BUS_SPEED 3
#define UHS_DDR50_BUS_SPEED 4
#define SD_MODE_HIGH_SPEED (1 << HIGH_SPEED_BUS_SPEED)
#define SD_MODE_UHS_SDR12 (1 << UHS_SDR12_BUS_SPEED)
#define SD_MODE_UHS_SDR25 (1 << UHS_SDR25_BUS_SPEED)
#define SD_MODE_UHS_SDR50 (1 << UHS_SDR50_BUS_SPEED)
#define SD_MODE_UHS_SDR104 (1 << UHS_SDR104_BUS_SPEED)
#define SD_MODE_UHS_DDR50 (1 << UHS_DDR50_BUS_SPEED)
/*
* SD bus driver types
*/
#define SD_DRIVER_TYPE_B 0x01
#define SD_DRIVER_TYPE_A 0x02
#define SD_DRIVER_TYPE_C 0x04
#define SD_DRIVER_TYPE_D 0x08
/*
* SD bus current limits
*/
#define SD_SET_CURRENT_LIMIT_200 0
#define SD_SET_CURRENT_LIMIT_400 1
#define SD_SET_CURRENT_LIMIT_600 2
#define SD_SET_CURRENT_LIMIT_800 3
#define SD_SET_CURRENT_NO_CHANGE (-1)
#define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200)
#define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400)
#define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600)
#define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800)
/*
* SD_SWITCH mode
*/
#define SD_SWITCH_CHECK 0
#define SD_SWITCH_SET 1
/*
* SD_SWITCH function groups
*/
#define SD_SWITCH_GRP_ACCESS 0
/*
* SD_SWITCH access modes
*/
#define SD_SWITCH_ACCESS_DEF 0
#define SD_SWITCH_ACCESS_HS 1
#endif /* LINUX_MMC_SD_H */
