linux/include/linux/mmc/mmc.h
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   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#ifndef LINUX_MMC_MMC_H
  25#define LINUX_MMC_MMC_H
  26
  27/* Standard MMC commands (4.1)           type  argument     response */
  28   /* class 1 */
  29#define MMC_GO_IDLE_STATE         0   /* bc                          */
  30#define MMC_SEND_OP_COND          1   /* bcr  [31:0] OCR         R3  */
  31#define MMC_ALL_SEND_CID          2   /* bcr                     R2  */
  32#define MMC_SET_RELATIVE_ADDR     3   /* ac   [31:16] RCA        R1  */
  33#define MMC_SET_DSR               4   /* bc   [31:16] RCA            */
  34#define MMC_SLEEP_AWAKE           5   /* ac   [31:16] RCA 15:flg R1b */
  35#define MMC_SWITCH                6   /* ac   [31:0] See below   R1b */
  36#define MMC_SELECT_CARD           7   /* ac   [31:16] RCA        R1  */
  37#define MMC_SEND_EXT_CSD          8   /* adtc                    R1  */
  38#define MMC_SEND_CSD              9   /* ac   [31:16] RCA        R2  */
  39#define MMC_SEND_CID             10   /* ac   [31:16] RCA        R2  */
  40#define MMC_READ_DAT_UNTIL_STOP  11   /* adtc [31:0] dadr        R1  */
  41#define MMC_STOP_TRANSMISSION    12   /* ac                      R1b */
  42#define MMC_SEND_STATUS          13   /* ac   [31:16] RCA        R1  */
  43#define MMC_BUS_TEST_R           14   /* adtc                    R1  */
  44#define MMC_GO_INACTIVE_STATE    15   /* ac   [31:16] RCA            */
  45#define MMC_BUS_TEST_W           19   /* adtc                    R1  */
  46#define MMC_SPI_READ_OCR         58   /* spi                  spi_R3 */
  47#define MMC_SPI_CRC_ON_OFF       59   /* spi  [0:0] flag      spi_R1 */
  48
  49  /* class 2 */
  50#define MMC_SET_BLOCKLEN         16   /* ac   [31:0] block len   R1  */
  51#define MMC_READ_SINGLE_BLOCK    17   /* adtc [31:0] data addr   R1  */
  52#define MMC_READ_MULTIPLE_BLOCK  18   /* adtc [31:0] data addr   R1  */
  53#define MMC_SEND_TUNING_BLOCK    19   /* adtc                    R1  */
  54#define MMC_SEND_TUNING_BLOCK_HS200     21      /* adtc R1  */
  55
  56  /* class 3 */
  57#define MMC_WRITE_DAT_UNTIL_STOP 20   /* adtc [31:0] data addr   R1  */
  58
  59  /* class 4 */
  60#define MMC_SET_BLOCK_COUNT      23   /* adtc [31:0] data addr   R1  */
  61#define MMC_WRITE_BLOCK          24   /* adtc [31:0] data addr   R1  */
  62#define MMC_WRITE_MULTIPLE_BLOCK 25   /* adtc                    R1  */
  63#define MMC_PROGRAM_CID          26   /* adtc                    R1  */
  64#define MMC_PROGRAM_CSD          27   /* adtc                    R1  */
  65
  66  /* class 6 */
  67#define MMC_SET_WRITE_PROT       28   /* ac   [31:0] data addr   R1b */
  68#define MMC_CLR_WRITE_PROT       29   /* ac   [31:0] data addr   R1b */
  69#define MMC_SEND_WRITE_PROT      30   /* adtc [31:0] wpdata addr R1  */
  70
  71  /* class 5 */
  72#define MMC_ERASE_GROUP_START    35   /* ac   [31:0] data addr   R1  */
  73#define MMC_ERASE_GROUP_END      36   /* ac   [31:0] data addr   R1  */
  74#define MMC_ERASE                38   /* ac                      R1b */
  75
  76  /* class 9 */
  77#define MMC_FAST_IO              39   /* ac   <Complex>          R4  */
  78#define MMC_GO_IRQ_STATE         40   /* bcr                     R5  */
  79
  80  /* class 7 */
  81#define MMC_LOCK_UNLOCK          42   /* adtc                    R1b */
  82
  83  /* class 8 */
  84#define MMC_APP_CMD              55   /* ac   [31:16] RCA        R1  */
  85#define MMC_GEN_CMD              56   /* adtc [0] RD/WR          R1  */
  86
  87static inline bool mmc_op_multi(u32 opcode)
  88{
  89        return opcode == MMC_WRITE_MULTIPLE_BLOCK ||
  90               opcode == MMC_READ_MULTIPLE_BLOCK;
  91}
  92
  93/*
  94 * MMC_SWITCH argument format:
  95 *
  96 *      [31:26] Always 0
  97 *      [25:24] Access Mode
  98 *      [23:16] Location of target Byte in EXT_CSD
  99 *      [15:08] Value Byte
 100 *      [07:03] Always 0
 101 *      [02:00] Command Set
 102 */
 103
 104/*
 105  MMC status in R1, for native mode (SPI bits are different)
 106  Type
 107        e : error bit
 108        s : status bit
 109        r : detected and set for the actual command response
 110        x : detected and set during command execution. the host must poll
 111            the card by sending status command in order to read these bits.
 112  Clear condition
 113        a : according to the card state
 114        b : always related to the previous command. Reception of
 115            a valid command will clear it (with a delay of one command)
 116        c : clear by read
 117 */
 118
 119#define R1_OUT_OF_RANGE         (1 << 31)       /* er, c */
 120#define R1_ADDRESS_ERROR        (1 << 30)       /* erx, c */
 121#define R1_BLOCK_LEN_ERROR      (1 << 29)       /* er, c */
 122#define R1_ERASE_SEQ_ERROR      (1 << 28)       /* er, c */
 123#define R1_ERASE_PARAM          (1 << 27)       /* ex, c */
 124#define R1_WP_VIOLATION         (1 << 26)       /* erx, c */
 125#define R1_CARD_IS_LOCKED       (1 << 25)       /* sx, a */
 126#define R1_LOCK_UNLOCK_FAILED   (1 << 24)       /* erx, c */
 127#define R1_COM_CRC_ERROR        (1 << 23)       /* er, b */
 128#define R1_ILLEGAL_COMMAND      (1 << 22)       /* er, b */
 129#define R1_CARD_ECC_FAILED      (1 << 21)       /* ex, c */
 130#define R1_CC_ERROR             (1 << 20)       /* erx, c */
 131#define R1_ERROR                (1 << 19)       /* erx, c */
 132#define R1_UNDERRUN             (1 << 18)       /* ex, c */
 133#define R1_OVERRUN              (1 << 17)       /* ex, c */
 134#define R1_CID_CSD_OVERWRITE    (1 << 16)       /* erx, c, CID/CSD overwrite */
 135#define R1_WP_ERASE_SKIP        (1 << 15)       /* sx, c */
 136#define R1_CARD_ECC_DISABLED    (1 << 14)       /* sx, a */
 137#define R1_ERASE_RESET          (1 << 13)       /* sr, c */
 138#define R1_STATUS(x)            (x & 0xFFFFE000)
 139#define R1_CURRENT_STATE(x)     ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
 140#define R1_READY_FOR_DATA       (1 << 8)        /* sx, a */
 141#define R1_SWITCH_ERROR         (1 << 7)        /* sx, c */
 142#define R1_EXCEPTION_EVENT      (1 << 6)        /* sr, a */
 143#define R1_APP_CMD              (1 << 5)        /* sr, c */
 144
 145#define R1_STATE_IDLE   0
 146#define R1_STATE_READY  1
 147#define R1_STATE_IDENT  2
 148#define R1_STATE_STBY   3
 149#define R1_STATE_TRAN   4
 150#define R1_STATE_DATA   5
 151#define R1_STATE_RCV    6
 152#define R1_STATE_PRG    7
 153#define R1_STATE_DIS    8
 154
 155/*
 156 * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS
 157 * R1 is the low order byte; R2 is the next highest byte, when present.
 158 */
 159#define R1_SPI_IDLE             (1 << 0)
 160#define R1_SPI_ERASE_RESET      (1 << 1)
 161#define R1_SPI_ILLEGAL_COMMAND  (1 << 2)
 162#define R1_SPI_COM_CRC          (1 << 3)
 163#define R1_SPI_ERASE_SEQ        (1 << 4)
 164#define R1_SPI_ADDRESS          (1 << 5)
 165#define R1_SPI_PARAMETER        (1 << 6)
 166/* R1 bit 7 is always zero */
 167#define R2_SPI_CARD_LOCKED      (1 << 8)
 168#define R2_SPI_WP_ERASE_SKIP    (1 << 9)        /* or lock/unlock fail */
 169#define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP
 170#define R2_SPI_ERROR            (1 << 10)
 171#define R2_SPI_CC_ERROR         (1 << 11)
 172#define R2_SPI_CARD_ECC_ERROR   (1 << 12)
 173#define R2_SPI_WP_VIOLATION     (1 << 13)
 174#define R2_SPI_ERASE_PARAM      (1 << 14)
 175#define R2_SPI_OUT_OF_RANGE     (1 << 15)       /* or CSD overwrite */
 176#define R2_SPI_CSD_OVERWRITE    R2_SPI_OUT_OF_RANGE
 177
 178/* These are unpacked versions of the actual responses */
 179
 180struct _mmc_csd {
 181        u8  csd_structure;
 182        u8  spec_vers;
 183        u8  taac;
 184        u8  nsac;
 185        u8  tran_speed;
 186        u16 ccc;
 187        u8  read_bl_len;
 188        u8  read_bl_partial;
 189        u8  write_blk_misalign;
 190        u8  read_blk_misalign;
 191        u8  dsr_imp;
 192        u16 c_size;
 193        u8  vdd_r_curr_min;
 194        u8  vdd_r_curr_max;
 195        u8  vdd_w_curr_min;
 196        u8  vdd_w_curr_max;
 197        u8  c_size_mult;
 198        union {
 199                struct { /* MMC system specification version 3.1 */
 200                        u8  erase_grp_size;
 201                        u8  erase_grp_mult;
 202                } v31;
 203                struct { /* MMC system specification version 2.2 */
 204                        u8  sector_size;
 205                        u8  erase_grp_size;
 206                } v22;
 207        } erase;
 208        u8  wp_grp_size;
 209        u8  wp_grp_enable;
 210        u8  default_ecc;
 211        u8  r2w_factor;
 212        u8  write_bl_len;
 213        u8  write_bl_partial;
 214        u8  file_format_grp;
 215        u8  copy;
 216        u8  perm_write_protect;
 217        u8  tmp_write_protect;
 218        u8  file_format;
 219        u8  ecc;
 220};
 221
 222/*
 223 * OCR bits are mostly in host.h
 224 */
 225#define MMC_CARD_BUSY   0x80000000      /* Card Power up status bit */
 226
 227/*
 228 * Card Command Classes (CCC)
 229 */
 230#define CCC_BASIC               (1<<0)  /* (0) Basic protocol functions */
 231                                        /* (CMD0,1,2,3,4,7,9,10,12,13,15) */
 232                                        /* (and for SPI, CMD58,59) */
 233#define CCC_STREAM_READ         (1<<1)  /* (1) Stream read commands */
 234                                        /* (CMD11) */
 235#define CCC_BLOCK_READ          (1<<2)  /* (2) Block read commands */
 236                                        /* (CMD16,17,18) */
 237#define CCC_STREAM_WRITE        (1<<3)  /* (3) Stream write commands */
 238                                        /* (CMD20) */
 239#define CCC_BLOCK_WRITE         (1<<4)  /* (4) Block write commands */
 240                                        /* (CMD16,24,25,26,27) */
 241#define CCC_ERASE               (1<<5)  /* (5) Ability to erase blocks */
 242                                        /* (CMD32,33,34,35,36,37,38,39) */
 243#define CCC_WRITE_PROT          (1<<6)  /* (6) Able to write protect blocks */
 244                                        /* (CMD28,29,30) */
 245#define CCC_LOCK_CARD           (1<<7)  /* (7) Able to lock down card */
 246                                        /* (CMD16,CMD42) */
 247#define CCC_APP_SPEC            (1<<8)  /* (8) Application specific */
 248                                        /* (CMD55,56,57,ACMD*) */
 249#define CCC_IO_MODE             (1<<9)  /* (9) I/O mode */
 250                                        /* (CMD5,39,40,52,53) */
 251#define CCC_SWITCH              (1<<10) /* (10) High speed switch */
 252                                        /* (CMD6,34,35,36,37,50) */
 253                                        /* (11) Reserved */
 254                                        /* (CMD?) */
 255
 256/*
 257 * CSD field definitions
 258 */
 259
 260#define CSD_STRUCT_VER_1_0  0           /* Valid for system specification 1.0 - 1.2 */
 261#define CSD_STRUCT_VER_1_1  1           /* Valid for system specification 1.4 - 2.2 */
 262#define CSD_STRUCT_VER_1_2  2           /* Valid for system specification 3.1 - 3.2 - 3.31 - 4.0 - 4.1 */
 263#define CSD_STRUCT_EXT_CSD  3           /* Version is coded in CSD_STRUCTURE in EXT_CSD */
 264
 265#define CSD_SPEC_VER_0      0           /* Implements system specification 1.0 - 1.2 */
 266#define CSD_SPEC_VER_1      1           /* Implements system specification 1.4 */
 267#define CSD_SPEC_VER_2      2           /* Implements system specification 2.0 - 2.2 */
 268#define CSD_SPEC_VER_3      3           /* Implements system specification 3.1 - 3.2 - 3.31 */
 269#define CSD_SPEC_VER_4      4           /* Implements system specification 4.0 - 4.1 */
 270
 271/*
 272 * EXT_CSD fields
 273 */
 274
 275#define EXT_CSD_FLUSH_CACHE             32      /* W */
 276#define EXT_CSD_CACHE_CTRL              33      /* R/W */
 277#define EXT_CSD_POWER_OFF_NOTIFICATION  34      /* R/W */
 278#define EXT_CSD_PACKED_FAILURE_INDEX    35      /* RO */
 279#define EXT_CSD_PACKED_CMD_STATUS       36      /* RO */
 280#define EXT_CSD_EXP_EVENTS_STATUS       54      /* RO, 2 bytes */
 281#define EXT_CSD_EXP_EVENTS_CTRL         56      /* R/W, 2 bytes */
 282#define EXT_CSD_DATA_SECTOR_SIZE        61      /* R */
 283#define EXT_CSD_GP_SIZE_MULT            143     /* R/W */
 284#define EXT_CSD_PARTITION_SETTING_COMPLETED 155 /* R/W */
 285#define EXT_CSD_PARTITION_ATTRIBUTE     156     /* R/W */
 286#define EXT_CSD_PARTITION_SUPPORT       160     /* RO */
 287#define EXT_CSD_HPI_MGMT                161     /* R/W */
 288#define EXT_CSD_RST_N_FUNCTION          162     /* R/W */
 289#define EXT_CSD_BKOPS_EN                163     /* R/W */
 290#define EXT_CSD_BKOPS_START             164     /* W */
 291#define EXT_CSD_SANITIZE_START          165     /* W */
 292#define EXT_CSD_WR_REL_PARAM            166     /* RO */
 293#define EXT_CSD_RPMB_MULT               168     /* RO */
 294#define EXT_CSD_FW_CONFIG               169     /* R/W */
 295#define EXT_CSD_BOOT_WP                 173     /* R/W */
 296#define EXT_CSD_ERASE_GROUP_DEF         175     /* R/W */
 297#define EXT_CSD_PART_CONFIG             179     /* R/W */
 298#define EXT_CSD_ERASED_MEM_CONT         181     /* RO */
 299#define EXT_CSD_BUS_WIDTH               183     /* R/W */
 300#define EXT_CSD_STROBE_SUPPORT          184     /* RO */
 301#define EXT_CSD_HS_TIMING               185     /* R/W */
 302#define EXT_CSD_POWER_CLASS             187     /* R/W */
 303#define EXT_CSD_REV                     192     /* RO */
 304#define EXT_CSD_STRUCTURE               194     /* RO */
 305#define EXT_CSD_CARD_TYPE               196     /* RO */
 306#define EXT_CSD_DRIVER_STRENGTH         197     /* RO */
 307#define EXT_CSD_OUT_OF_INTERRUPT_TIME   198     /* RO */
 308#define EXT_CSD_PART_SWITCH_TIME        199     /* RO */
 309#define EXT_CSD_PWR_CL_52_195           200     /* RO */
 310#define EXT_CSD_PWR_CL_26_195           201     /* RO */
 311#define EXT_CSD_PWR_CL_52_360           202     /* RO */
 312#define EXT_CSD_PWR_CL_26_360           203     /* RO */
 313#define EXT_CSD_SEC_CNT                 212     /* RO, 4 bytes */
 314#define EXT_CSD_S_A_TIMEOUT             217     /* RO */
 315#define EXT_CSD_REL_WR_SEC_C            222     /* RO */
 316#define EXT_CSD_HC_WP_GRP_SIZE          221     /* RO */
 317#define EXT_CSD_ERASE_TIMEOUT_MULT      223     /* RO */
 318#define EXT_CSD_HC_ERASE_GRP_SIZE       224     /* RO */
 319#define EXT_CSD_BOOT_MULT               226     /* RO */
 320#define EXT_CSD_SEC_TRIM_MULT           229     /* RO */
 321#define EXT_CSD_SEC_ERASE_MULT          230     /* RO */
 322#define EXT_CSD_SEC_FEATURE_SUPPORT     231     /* RO */
 323#define EXT_CSD_TRIM_MULT               232     /* RO */
 324#define EXT_CSD_PWR_CL_200_195          236     /* RO */
 325#define EXT_CSD_PWR_CL_200_360          237     /* RO */
 326#define EXT_CSD_PWR_CL_DDR_52_195       238     /* RO */
 327#define EXT_CSD_PWR_CL_DDR_52_360       239     /* RO */
 328#define EXT_CSD_BKOPS_STATUS            246     /* RO */
 329#define EXT_CSD_POWER_OFF_LONG_TIME     247     /* RO */
 330#define EXT_CSD_GENERIC_CMD6_TIME       248     /* RO */
 331#define EXT_CSD_CACHE_SIZE              249     /* RO, 4 bytes */
 332#define EXT_CSD_PWR_CL_DDR_200_360      253     /* RO */
 333#define EXT_CSD_FIRMWARE_VERSION        254     /* RO, 8 bytes */
 334#define EXT_CSD_SUPPORTED_MODE          493     /* RO */
 335#define EXT_CSD_TAG_UNIT_SIZE           498     /* RO */
 336#define EXT_CSD_DATA_TAG_SUPPORT        499     /* RO */
 337#define EXT_CSD_MAX_PACKED_WRITES       500     /* RO */
 338#define EXT_CSD_MAX_PACKED_READS        501     /* RO */
 339#define EXT_CSD_BKOPS_SUPPORT           502     /* RO */
 340#define EXT_CSD_HPI_FEATURES            503     /* RO */
 341
 342/*
 343 * EXT_CSD field definitions
 344 */
 345
 346#define EXT_CSD_WR_REL_PARAM_EN         (1<<2)
 347
 348#define EXT_CSD_BOOT_WP_B_PWR_WP_DIS    (0x40)
 349#define EXT_CSD_BOOT_WP_B_PERM_WP_DIS   (0x10)
 350#define EXT_CSD_BOOT_WP_B_PERM_WP_EN    (0x04)
 351#define EXT_CSD_BOOT_WP_B_PWR_WP_EN     (0x01)
 352
 353#define EXT_CSD_PART_CONFIG_ACC_MASK    (0x7)
 354#define EXT_CSD_PART_CONFIG_ACC_BOOT0   (0x1)
 355#define EXT_CSD_PART_CONFIG_ACC_RPMB    (0x3)
 356#define EXT_CSD_PART_CONFIG_ACC_GP0     (0x4)
 357
 358#define EXT_CSD_PART_SETTING_COMPLETED  (0x1)
 359#define EXT_CSD_PART_SUPPORT_PART_EN    (0x1)
 360
 361#define EXT_CSD_CMD_SET_NORMAL          (1<<0)
 362#define EXT_CSD_CMD_SET_SECURE          (1<<1)
 363#define EXT_CSD_CMD_SET_CPSECURE        (1<<2)
 364
 365#define EXT_CSD_CARD_TYPE_HS_26 (1<<0)  /* Card can run at 26MHz */
 366#define EXT_CSD_CARD_TYPE_HS_52 (1<<1)  /* Card can run at 52MHz */
 367#define EXT_CSD_CARD_TYPE_HS    (EXT_CSD_CARD_TYPE_HS_26 | \
 368                                 EXT_CSD_CARD_TYPE_HS_52)
 369#define EXT_CSD_CARD_TYPE_DDR_1_8V  (1<<2)   /* Card can run at 52MHz */
 370                                             /* DDR mode @1.8V or 3V I/O */
 371#define EXT_CSD_CARD_TYPE_DDR_1_2V  (1<<3)   /* Card can run at 52MHz */
 372                                             /* DDR mode @1.2V I/O */
 373#define EXT_CSD_CARD_TYPE_DDR_52       (EXT_CSD_CARD_TYPE_DDR_1_8V  \
 374                                        | EXT_CSD_CARD_TYPE_DDR_1_2V)
 375#define EXT_CSD_CARD_TYPE_HS200_1_8V    (1<<4)  /* Card can run at 200MHz */
 376#define EXT_CSD_CARD_TYPE_HS200_1_2V    (1<<5)  /* Card can run at 200MHz */
 377                                                /* SDR mode @1.2V I/O */
 378#define EXT_CSD_CARD_TYPE_HS200         (EXT_CSD_CARD_TYPE_HS200_1_8V | \
 379                                         EXT_CSD_CARD_TYPE_HS200_1_2V)
 380#define EXT_CSD_CARD_TYPE_HS400_1_8V    (1<<6)  /* Card can run at 200MHz DDR, 1.8V */
 381#define EXT_CSD_CARD_TYPE_HS400_1_2V    (1<<7)  /* Card can run at 200MHz DDR, 1.2V */
 382#define EXT_CSD_CARD_TYPE_HS400         (EXT_CSD_CARD_TYPE_HS400_1_8V | \
 383                                         EXT_CSD_CARD_TYPE_HS400_1_2V)
 384#define EXT_CSD_CARD_TYPE_HS400ES       (1<<8)  /* Card can run at HS400ES */
 385
 386#define EXT_CSD_BUS_WIDTH_1     0       /* Card is in 1 bit mode */
 387#define EXT_CSD_BUS_WIDTH_4     1       /* Card is in 4 bit mode */
 388#define EXT_CSD_BUS_WIDTH_8     2       /* Card is in 8 bit mode */
 389#define EXT_CSD_DDR_BUS_WIDTH_4 5       /* Card is in 4 bit DDR mode */
 390#define EXT_CSD_DDR_BUS_WIDTH_8 6       /* Card is in 8 bit DDR mode */
 391#define EXT_CSD_BUS_WIDTH_STROBE BIT(7) /* Enhanced strobe mode */
 392
 393#define EXT_CSD_TIMING_BC       0       /* Backwards compatility */
 394#define EXT_CSD_TIMING_HS       1       /* High speed */
 395#define EXT_CSD_TIMING_HS200    2       /* HS200 */
 396#define EXT_CSD_TIMING_HS400    3       /* HS400 */
 397#define EXT_CSD_DRV_STR_SHIFT   4       /* Driver Strength shift */
 398
 399#define EXT_CSD_SEC_ER_EN       BIT(0)
 400#define EXT_CSD_SEC_BD_BLK_EN   BIT(2)
 401#define EXT_CSD_SEC_GB_CL_EN    BIT(4)
 402#define EXT_CSD_SEC_SANITIZE    BIT(6)  /* v4.5 only */
 403
 404#define EXT_CSD_RST_N_EN_MASK   0x3
 405#define EXT_CSD_RST_N_ENABLED   1       /* RST_n is enabled on card */
 406
 407#define EXT_CSD_NO_POWER_NOTIFICATION   0
 408#define EXT_CSD_POWER_ON                1
 409#define EXT_CSD_POWER_OFF_SHORT         2
 410#define EXT_CSD_POWER_OFF_LONG          3
 411
 412#define EXT_CSD_PWR_CL_8BIT_MASK        0xF0    /* 8 bit PWR CLS */
 413#define EXT_CSD_PWR_CL_4BIT_MASK        0x0F    /* 8 bit PWR CLS */
 414#define EXT_CSD_PWR_CL_8BIT_SHIFT       4
 415#define EXT_CSD_PWR_CL_4BIT_SHIFT       0
 416
 417#define EXT_CSD_PACKED_EVENT_EN BIT(3)
 418
 419/*
 420 * EXCEPTION_EVENT_STATUS field
 421 */
 422#define EXT_CSD_URGENT_BKOPS            BIT(0)
 423#define EXT_CSD_DYNCAP_NEEDED           BIT(1)
 424#define EXT_CSD_SYSPOOL_EXHAUSTED       BIT(2)
 425#define EXT_CSD_PACKED_FAILURE          BIT(3)
 426
 427#define EXT_CSD_PACKED_GENERIC_ERROR    BIT(0)
 428#define EXT_CSD_PACKED_INDEXED_ERROR    BIT(1)
 429
 430/*
 431 * BKOPS status level
 432 */
 433#define EXT_CSD_BKOPS_LEVEL_2           0x2
 434
 435/*
 436 * BKOPS modes
 437 */
 438#define EXT_CSD_MANUAL_BKOPS_MASK       0x01
 439
 440/*
 441 * MMC_SWITCH access modes
 442 */
 443
 444#define MMC_SWITCH_MODE_CMD_SET         0x00    /* Change the command set */
 445#define MMC_SWITCH_MODE_SET_BITS        0x01    /* Set bits which are 1 in value */
 446#define MMC_SWITCH_MODE_CLEAR_BITS      0x02    /* Clear bits which are 1 in value */
 447#define MMC_SWITCH_MODE_WRITE_BYTE      0x03    /* Set target to value */
 448
 449#define mmc_driver_type_mask(n)         (1 << (n))
 450
 451#endif /* LINUX_MMC_MMC_H */
 452