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432 lines
16 KiB
C
432 lines
16 KiB
C
/*
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* Header for MultiMediaCard (MMC)
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*
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* Copyright 2002 Hewlett-Packard Company
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*
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* Use consistent with the GNU GPL is permitted,
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* provided that this copyright notice is
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* preserved in its entirety in all copies and derived works.
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*
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* HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
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* AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
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* FITNESS FOR ANY PARTICULAR PURPOSE.
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*
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* Many thanks to Alessandro Rubini and Jonathan Corbet!
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*
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* Based strongly on code by:
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*
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* Author: Yong-iL Joh <tolkien@mizi.com>
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*
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* Author: Andrew Christian
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* 15 May 2002
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*/
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#ifndef LINUX_MMC_MMC_H
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#define LINUX_MMC_MMC_H
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/* Standard MMC commands (4.1) type argument response */
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/* class 1 */
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#define MMC_GO_IDLE_STATE 0 /* bc */
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#define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */
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#define MMC_ALL_SEND_CID 2 /* bcr R2 */
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#define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */
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#define MMC_SET_DSR 4 /* bc [31:16] RCA */
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#define MMC_SLEEP_AWAKE 5 /* ac [31:16] RCA 15:flg R1b */
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#define MMC_SWITCH 6 /* ac [31:0] See below R1b */
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#define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */
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#define MMC_SEND_EXT_CSD 8 /* adtc R1 */
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#define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */
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#define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */
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#define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */
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#define MMC_STOP_TRANSMISSION 12 /* ac R1b */
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#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */
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#define MMC_BUS_TEST_R 14 /* adtc R1 */
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#define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */
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#define MMC_BUS_TEST_W 19 /* adtc R1 */
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#define MMC_SPI_READ_OCR 58 /* spi spi_R3 */
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#define MMC_SPI_CRC_ON_OFF 59 /* spi [0:0] flag spi_R1 */
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/* class 2 */
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#define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
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#define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
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#define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
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#define MMC_SEND_TUNING_BLOCK 19 /* adtc R1 */
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#define MMC_SEND_TUNING_BLOCK_HS200 21 /* adtc R1 */
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/* class 3 */
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#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
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/* class 4 */
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#define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
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#define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
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#define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */
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#define MMC_PROGRAM_CID 26 /* adtc R1 */
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#define MMC_PROGRAM_CSD 27 /* adtc R1 */
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/* class 6 */
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#define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
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#define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
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#define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
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/* class 5 */
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#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
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#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
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#define MMC_ERASE 38 /* ac R1b */
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/* class 9 */
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#define MMC_FAST_IO 39 /* ac <Complex> R4 */
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#define MMC_GO_IRQ_STATE 40 /* bcr R5 */
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/* class 7 */
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#define MMC_LOCK_UNLOCK 42 /* adtc R1b */
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/* class 8 */
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#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
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#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */
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/* class 11 */
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#define MMC_QUE_TASK_PARAMS 44 /* ac [20:16] task id R1 */
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#define MMC_QUE_TASK_ADDR 45 /* ac [31:0] data addr R1 */
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#define MMC_EXECUTE_READ_TASK 46 /* adtc [20:16] task id R1 */
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#define MMC_EXECUTE_WRITE_TASK 47 /* adtc [20:16] task id R1 */
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#define MMC_CMDQ_TASK_MGMT 48 /* ac [20:16] task id R1b */
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/*
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* MMC_SWITCH argument format:
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*
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* [31:26] Always 0
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* [25:24] Access Mode
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* [23:16] Location of target Byte in EXT_CSD
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* [15:08] Value Byte
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* [07:03] Always 0
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* [02:00] Command Set
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*/
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/*
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MMC status in R1, for native mode (SPI bits are different)
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Type
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e : error bit
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s : status bit
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r : detected and set for the actual command response
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x : detected and set during command execution. the host must poll
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the card by sending status command in order to read these bits.
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Clear condition
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a : according to the card state
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b : always related to the previous command. Reception of
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a valid command will clear it (with a delay of one command)
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c : clear by read
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*/
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#define R1_OUT_OF_RANGE (1 << 31) /* er, c */
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#define R1_ADDRESS_ERROR (1 << 30) /* erx, c */
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#define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */
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#define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
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#define R1_ERASE_PARAM (1 << 27) /* ex, c */
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#define R1_WP_VIOLATION (1 << 26) /* erx, c */
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#define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
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#define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
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#define R1_COM_CRC_ERROR (1 << 23) /* er, b */
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#define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
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#define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */
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#define R1_CC_ERROR (1 << 20) /* erx, c */
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#define R1_ERROR (1 << 19) /* erx, c */
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#define R1_UNDERRUN (1 << 18) /* ex, c */
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#define R1_OVERRUN (1 << 17) /* ex, c */
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#define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */
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#define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */
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#define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
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#define R1_ERASE_RESET (1 << 13) /* sr, c */
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#define R1_STATUS(x) (x & 0xFFFFE000)
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#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
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#define R1_READY_FOR_DATA (1 << 8) /* sx, a */
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#define R1_SWITCH_ERROR (1 << 7) /* sx, c */
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#define R1_EXCEPTION_EVENT (1 << 6) /* sr, a */
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#define R1_APP_CMD (1 << 5) /* sr, c */
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#define R1_STATE_IDLE 0
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#define R1_STATE_READY 1
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#define R1_STATE_IDENT 2
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#define R1_STATE_STBY 3
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#define R1_STATE_TRAN 4
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#define R1_STATE_DATA 5
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#define R1_STATE_RCV 6
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#define R1_STATE_PRG 7
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#define R1_STATE_DIS 8
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/*
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* MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS
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* R1 is the low order byte; R2 is the next highest byte, when present.
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*/
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#define R1_SPI_IDLE (1 << 0)
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#define R1_SPI_ERASE_RESET (1 << 1)
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#define R1_SPI_ILLEGAL_COMMAND (1 << 2)
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#define R1_SPI_COM_CRC (1 << 3)
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#define R1_SPI_ERASE_SEQ (1 << 4)
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#define R1_SPI_ADDRESS (1 << 5)
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#define R1_SPI_PARAMETER (1 << 6)
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/* R1 bit 7 is always zero */
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#define R2_SPI_CARD_LOCKED (1 << 8)
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#define R2_SPI_WP_ERASE_SKIP (1 << 9) /* or lock/unlock fail */
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#define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP
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#define R2_SPI_ERROR (1 << 10)
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#define R2_SPI_CC_ERROR (1 << 11)
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#define R2_SPI_CARD_ECC_ERROR (1 << 12)
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#define R2_SPI_WP_VIOLATION (1 << 13)
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#define R2_SPI_ERASE_PARAM (1 << 14)
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#define R2_SPI_OUT_OF_RANGE (1 << 15) /* or CSD overwrite */
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#define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE
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/*
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* OCR bits are mostly in host.h
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*/
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#define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */
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/*
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* Card Command Classes (CCC)
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*/
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#define CCC_BASIC (1<<0) /* (0) Basic protocol functions */
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/* (CMD0,1,2,3,4,7,9,10,12,13,15) */
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/* (and for SPI, CMD58,59) */
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#define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */
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/* (CMD11) */
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#define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */
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/* (CMD16,17,18) */
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#define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */
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/* (CMD20) */
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#define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */
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/* (CMD16,24,25,26,27) */
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#define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */
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/* (CMD32,33,34,35,36,37,38,39) */
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#define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */
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/* (CMD28,29,30) */
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#define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */
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/* (CMD16,CMD42) */
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#define CCC_APP_SPEC (1<<8) /* (8) Application specific */
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/* (CMD55,56,57,ACMD*) */
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#define CCC_IO_MODE (1<<9) /* (9) I/O mode */
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/* (CMD5,39,40,52,53) */
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#define CCC_SWITCH (1<<10) /* (10) High speed switch */
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/* (CMD6,34,35,36,37,50) */
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/* (11) Reserved */
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/* (CMD?) */
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/*
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* CSD field definitions
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*/
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#define CSD_STRUCT_VER_1_0 0 /* Valid for system specification 1.0 - 1.2 */
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#define CSD_STRUCT_VER_1_1 1 /* Valid for system specification 1.4 - 2.2 */
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#define CSD_STRUCT_VER_1_2 2 /* Valid for system specification 3.1 - 3.2 - 3.31 - 4.0 - 4.1 */
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#define CSD_STRUCT_EXT_CSD 3 /* Version is coded in CSD_STRUCTURE in EXT_CSD */
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#define CSD_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.2 */
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#define CSD_SPEC_VER_1 1 /* Implements system specification 1.4 */
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#define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */
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#define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 - 3.2 - 3.31 */
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#define CSD_SPEC_VER_4 4 /* Implements system specification 4.0 - 4.1 */
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/*
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* EXT_CSD fields
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*/
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#define EXT_CSD_CMDQ_MODE_EN 15 /* R/W */
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#define EXT_CSD_FLUSH_CACHE 32 /* W */
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#define EXT_CSD_CACHE_CTRL 33 /* R/W */
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#define EXT_CSD_POWER_OFF_NOTIFICATION 34 /* R/W */
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#define EXT_CSD_PACKED_FAILURE_INDEX 35 /* RO */
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#define EXT_CSD_PACKED_CMD_STATUS 36 /* RO */
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#define EXT_CSD_EXP_EVENTS_STATUS 54 /* RO, 2 bytes */
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#define EXT_CSD_EXP_EVENTS_CTRL 56 /* R/W, 2 bytes */
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#define EXT_CSD_DATA_SECTOR_SIZE 61 /* R */
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#define EXT_CSD_GP_SIZE_MULT 143 /* R/W */
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#define EXT_CSD_PARTITION_SETTING_COMPLETED 155 /* R/W */
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#define EXT_CSD_PARTITION_ATTRIBUTE 156 /* R/W */
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#define EXT_CSD_PARTITION_SUPPORT 160 /* RO */
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#define EXT_CSD_HPI_MGMT 161 /* R/W */
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#define EXT_CSD_RST_N_FUNCTION 162 /* R/W */
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#define EXT_CSD_BKOPS_EN 163 /* R/W */
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#define EXT_CSD_BKOPS_START 164 /* W */
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#define EXT_CSD_SANITIZE_START 165 /* W */
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#define EXT_CSD_WR_REL_PARAM 166 /* RO */
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#define EXT_CSD_RPMB_MULT 168 /* RO */
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#define EXT_CSD_FW_CONFIG 169 /* R/W */
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#define EXT_CSD_BOOT_WP 173 /* R/W */
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#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
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#define EXT_CSD_PART_CONFIG 179 /* R/W */
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#define EXT_CSD_ERASED_MEM_CONT 181 /* RO */
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#define EXT_CSD_BUS_WIDTH 183 /* R/W */
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#define EXT_CSD_STROBE_SUPPORT 184 /* RO */
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#define EXT_CSD_HS_TIMING 185 /* R/W */
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#define EXT_CSD_POWER_CLASS 187 /* R/W */
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#define EXT_CSD_REV 192 /* RO */
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#define EXT_CSD_STRUCTURE 194 /* RO */
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#define EXT_CSD_CARD_TYPE 196 /* RO */
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#define EXT_CSD_DRIVER_STRENGTH 197 /* RO */
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#define EXT_CSD_OUT_OF_INTERRUPT_TIME 198 /* RO */
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#define EXT_CSD_PART_SWITCH_TIME 199 /* RO */
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#define EXT_CSD_PWR_CL_52_195 200 /* RO */
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#define EXT_CSD_PWR_CL_26_195 201 /* RO */
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#define EXT_CSD_PWR_CL_52_360 202 /* RO */
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#define EXT_CSD_PWR_CL_26_360 203 /* RO */
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#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
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#define EXT_CSD_S_A_TIMEOUT 217 /* RO */
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#define EXT_CSD_REL_WR_SEC_C 222 /* RO */
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#define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */
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#define EXT_CSD_ERASE_TIMEOUT_MULT 223 /* RO */
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#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
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#define EXT_CSD_BOOT_MULT 226 /* RO */
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#define EXT_CSD_SEC_TRIM_MULT 229 /* RO */
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#define EXT_CSD_SEC_ERASE_MULT 230 /* RO */
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#define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */
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#define EXT_CSD_TRIM_MULT 232 /* RO */
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#define EXT_CSD_PWR_CL_200_195 236 /* RO */
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#define EXT_CSD_PWR_CL_200_360 237 /* RO */
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#define EXT_CSD_PWR_CL_DDR_52_195 238 /* RO */
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#define EXT_CSD_PWR_CL_DDR_52_360 239 /* RO */
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#define EXT_CSD_BKOPS_STATUS 246 /* RO */
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#define EXT_CSD_POWER_OFF_LONG_TIME 247 /* RO */
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#define EXT_CSD_GENERIC_CMD6_TIME 248 /* RO */
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#define EXT_CSD_CACHE_SIZE 249 /* RO, 4 bytes */
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#define EXT_CSD_PWR_CL_DDR_200_360 253 /* RO */
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#define EXT_CSD_FIRMWARE_VERSION 254 /* RO, 8 bytes */
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#define EXT_CSD_DEVICE_VERSION 262 /* RO, 2 bytes */
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#define EXT_CSD_PRE_EOL_INFO 267 /* RO */
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#define EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_A 268 /* RO */
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#define EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_B 269 /* RO */
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#define EXT_CSD_CMDQ_DEPTH 307 /* RO */
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#define EXT_CSD_CMDQ_SUPPORT 308 /* RO */
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#define EXT_CSD_SUPPORTED_MODE 493 /* RO */
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#define EXT_CSD_TAG_UNIT_SIZE 498 /* RO */
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#define EXT_CSD_DATA_TAG_SUPPORT 499 /* RO */
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#define EXT_CSD_MAX_PACKED_WRITES 500 /* RO */
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#define EXT_CSD_MAX_PACKED_READS 501 /* RO */
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#define EXT_CSD_BKOPS_SUPPORT 502 /* RO */
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#define EXT_CSD_HPI_FEATURES 503 /* RO */
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/*
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* EXT_CSD field definitions
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*/
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#define EXT_CSD_WR_REL_PARAM_EN (1<<2)
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#define EXT_CSD_BOOT_WP_B_PWR_WP_DIS (0x40)
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#define EXT_CSD_BOOT_WP_B_PERM_WP_DIS (0x10)
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#define EXT_CSD_BOOT_WP_B_PERM_WP_EN (0x04)
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#define EXT_CSD_BOOT_WP_B_PWR_WP_EN (0x01)
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#define EXT_CSD_PART_CONFIG_ACC_MASK (0x7)
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#define EXT_CSD_PART_CONFIG_ACC_BOOT0 (0x1)
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#define EXT_CSD_PART_CONFIG_ACC_RPMB (0x3)
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#define EXT_CSD_PART_CONFIG_ACC_GP0 (0x4)
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#define EXT_CSD_PART_SETTING_COMPLETED (0x1)
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#define EXT_CSD_PART_SUPPORT_PART_EN (0x1)
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#define EXT_CSD_CMD_SET_NORMAL (1<<0)
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#define EXT_CSD_CMD_SET_SECURE (1<<1)
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#define EXT_CSD_CMD_SET_CPSECURE (1<<2)
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#define EXT_CSD_CARD_TYPE_HS_26 (1<<0) /* Card can run at 26MHz */
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#define EXT_CSD_CARD_TYPE_HS_52 (1<<1) /* Card can run at 52MHz */
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#define EXT_CSD_CARD_TYPE_HS (EXT_CSD_CARD_TYPE_HS_26 | \
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EXT_CSD_CARD_TYPE_HS_52)
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#define EXT_CSD_CARD_TYPE_DDR_1_8V (1<<2) /* Card can run at 52MHz */
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/* DDR mode @1.8V or 3V I/O */
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#define EXT_CSD_CARD_TYPE_DDR_1_2V (1<<3) /* Card can run at 52MHz */
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/* DDR mode @1.2V I/O */
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#define EXT_CSD_CARD_TYPE_DDR_52 (EXT_CSD_CARD_TYPE_DDR_1_8V \
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| EXT_CSD_CARD_TYPE_DDR_1_2V)
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#define EXT_CSD_CARD_TYPE_HS200_1_8V (1<<4) /* Card can run at 200MHz */
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#define EXT_CSD_CARD_TYPE_HS200_1_2V (1<<5) /* Card can run at 200MHz */
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/* SDR mode @1.2V I/O */
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#define EXT_CSD_CARD_TYPE_HS200 (EXT_CSD_CARD_TYPE_HS200_1_8V | \
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EXT_CSD_CARD_TYPE_HS200_1_2V)
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#define EXT_CSD_CARD_TYPE_HS400_1_8V (1<<6) /* Card can run at 200MHz DDR, 1.8V */
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#define EXT_CSD_CARD_TYPE_HS400_1_2V (1<<7) /* Card can run at 200MHz DDR, 1.2V */
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#define EXT_CSD_CARD_TYPE_HS400 (EXT_CSD_CARD_TYPE_HS400_1_8V | \
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EXT_CSD_CARD_TYPE_HS400_1_2V)
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#define EXT_CSD_CARD_TYPE_HS400ES (1<<8) /* Card can run at HS400ES */
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#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
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#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
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#define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
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#define EXT_CSD_DDR_BUS_WIDTH_4 5 /* Card is in 4 bit DDR mode */
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#define EXT_CSD_DDR_BUS_WIDTH_8 6 /* Card is in 8 bit DDR mode */
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#define EXT_CSD_BUS_WIDTH_STROBE (1<<7) /* Enhanced strobe mode */
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#define EXT_CSD_TIMING_BC 0 /* Backwards compatility */
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#define EXT_CSD_TIMING_HS 1 /* High speed */
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#define EXT_CSD_TIMING_HS200 2 /* HS200 */
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#define EXT_CSD_TIMING_HS400 3 /* HS400 */
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#define EXT_CSD_DRV_STR_SHIFT 4 /* Driver Strength shift */
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#define EXT_CSD_SEC_ER_EN (1<<0)
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#define EXT_CSD_SEC_BD_BLK_EN (1<<2)
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#define EXT_CSD_SEC_GB_CL_EN (1<<4)
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#define EXT_CSD_SEC_SANITIZE (1<<6) /* v4.5 only */
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#define EXT_CSD_RST_N_EN_MASK 0x3
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#define EXT_CSD_RST_N_ENABLED 1 /* RST_n is enabled on card */
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#define EXT_CSD_NO_POWER_NOTIFICATION 0
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#define EXT_CSD_POWER_ON 1
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#define EXT_CSD_POWER_OFF_SHORT 2
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#define EXT_CSD_POWER_OFF_LONG 3
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#define EXT_CSD_PWR_CL_8BIT_MASK 0xF0 /* 8 bit PWR CLS */
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#define EXT_CSD_PWR_CL_4BIT_MASK 0x0F /* 8 bit PWR CLS */
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#define EXT_CSD_PWR_CL_8BIT_SHIFT 4
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#define EXT_CSD_PWR_CL_4BIT_SHIFT 0
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#define EXT_CSD_PACKED_EVENT_EN (1<<3)
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/*
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* EXCEPTION_EVENT_STATUS field
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*/
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#define EXT_CSD_URGENT_BKOPS (1<<0)
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#define EXT_CSD_DYNCAP_NEEDED (1<<1)
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#define EXT_CSD_SYSPOOL_EXHAUSTED (1<<2)
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#define EXT_CSD_PACKED_FAILURE (1<<3)
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#define EXT_CSD_PACKED_GENERIC_ERROR (1<<0)
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#define EXT_CSD_PACKED_INDEXED_ERROR (1<<1)
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/*
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* BKOPS status level
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*/
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#define EXT_CSD_BKOPS_LEVEL_2 0x2
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/*
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* BKOPS modes
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*/
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#define EXT_CSD_MANUAL_BKOPS_MASK 0x01
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#define EXT_CSD_AUTO_BKOPS_MASK 0x02
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/*
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* Command Queue
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*/
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#define EXT_CSD_CMDQ_MODE_ENABLED (1<<0)
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#define EXT_CSD_CMDQ_DEPTH_MASK 0x1F
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#define EXT_CSD_CMDQ_SUPPORTED (1<<0)
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/*
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* MMC_SWITCH access modes
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*/
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#define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
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#define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits which are 1 in value */
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#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */
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#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
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/*
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* Erase/trim/discard
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*/
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#define MMC_ERASE_ARG 0x00000000
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#define MMC_SECURE_ERASE_ARG 0x80000000
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#define MMC_TRIM_ARG 0x00000001
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#define MMC_DISCARD_ARG 0x00000003
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#define MMC_SECURE_TRIM1_ARG 0x80000001
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#define MMC_SECURE_TRIM2_ARG 0x80008000
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#define MMC_SECURE_ARGS 0x80000000
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#define MMC_TRIM_ARGS 0x00008001
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#endif /* LINUX_MMC_MMC_H */
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