include/linux/mmc/card.h

   1 /*
   2  *  linux/include/linux/mmc/card.h
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  *  Card driver specific definitions.
   9  */
  10 #ifndef LINUX_MMC_CARD_H
  11 #define LINUX_MMC_CARD_H
  12
  13 #include <linux/device.h>
  14 #include <linux/mmc/core.h>
  15 #include <linux/mod_devicetable.h>
  16
  17 struct mmc_cid {
  18         unsigned int            manfid;
  19         char                    prod_name[8];
  20         unsigned char           prv;
  21         unsigned int            serial;
  22         unsigned short          oemid;
  23         unsigned short          year;
  24         unsigned char           hwrev;
  25         unsigned char           fwrev;
  26         unsigned char           month;
  27 };
  28
  29 struct mmc_csd {
  30         unsigned char           structure;
  31         unsigned char           mmca_vsn;
  32         unsigned short          cmdclass;
  33         unsigned short          tacc_clks;
  34         unsigned int            tacc_ns;
  35         unsigned int            c_size;
  36         unsigned int            r2w_factor;
  37         unsigned int            max_dtr;
  38         unsigned int            erase_size;             /* In sectors */
  39         unsigned int            read_blkbits;
  40         unsigned int            write_blkbits;
  41         unsigned int            capacity;
  42         unsigned int            read_partial:1,
  43                                 read_misalign:1,
  44                                 write_partial:1,
  45                                 write_misalign:1,
  46                                 dsr_imp:1;
  47 };
  48
  49 struct mmc_ext_csd {
  50         u8                      rev;
  51         u8                      erase_group_def;
  52         u8                      sec_feature_support;
  53         u8                      rel_sectors;
  54         u8                      rel_param;
  55         u8                      part_config;
  56         u8                      cache_ctrl;
  57         u8                      rst_n_function;
  58         u8                      max_packed_writes;
  59         u8                      max_packed_reads;
  60         u8                      packed_event_en;
  61         unsigned int            part_time;              /* Units: ms */
  62         unsigned int            sa_timeout;             /* Units: 100ns */
  63         unsigned int            generic_cmd6_time;      /* Units: 10ms */
  64         unsigned int            power_off_longtime;     /* Units: ms */
  65         u8                      power_off_notification; /* state */
  66         unsigned int            hs_max_dtr;
  67         unsigned int            hs200_max_dtr;
  68 #define MMC_HIGH_26_MAX_DTR     26000000
  69 #define MMC_HIGH_52_MAX_DTR     52000000
  70 #define MMC_HIGH_DDR_MAX_DTR    52000000
  71 #define MMC_HS200_MAX_DTR       200000000
  72         unsigned int            sectors;
  73         unsigned int            hc_erase_size;          /* In sectors */
  74         unsigned int            hc_erase_timeout;       /* In milliseconds */
  75         unsigned int            sec_trim_mult;  /* Secure trim multiplier  */
  76         unsigned int            sec_erase_mult; /* Secure erase multiplier */
  77         unsigned int            trim_timeout;           /* In milliseconds */
  78         bool                    partition_setting_completed;    /* enable bit */
  79         unsigned long long      enhanced_area_offset;   /* Units: Byte */
  80         unsigned int            enhanced_area_size;     /* Units: KB */
  81         unsigned int            cache_size;             /* Units: KB */
  82         bool                    hpi_en;                 /* HPI enablebit */
  83         bool                    hpi;                    /* HPI support bit */
  84         unsigned int            hpi_cmd;                /* cmd used as HPI */
  85         bool                    bkops;          /* background support bit */
  86         bool                    man_bkops_en;   /* manual bkops enable bit */
  87         unsigned int            data_sector_size;       /* 512 bytes or 4KB */
  88         unsigned int            data_tag_unit_size;     /* DATA TAG UNIT size */
  89         unsigned int            boot_ro_lock;           /* ro lock support */
  90         bool                    boot_ro_lockable;
  91         bool                    ffu_capable;    /* Firmware upgrade support */
  92 #define MMC_FIRMWARE_LEN 8
  93         u8                      fwrev[MMC_FIRMWARE_LEN];  /* FW version */
  94         u8                      raw_exception_status;   /* 54 */
  95         u8                      raw_partition_support;  /* 160 */
  96         u8                      raw_rpmb_size_mult;     /* 168 */
  97         u8                      raw_erased_mem_count;   /* 181 */
  98         u8                      raw_ext_csd_structure;  /* 194 */
  99         u8                      raw_card_type;          /* 196 */
 100         u8                      out_of_int_time;        /* 198 */
 101         u8                      raw_pwr_cl_52_195;      /* 200 */
 102         u8                      raw_pwr_cl_26_195;      /* 201 */
 103         u8                      raw_pwr_cl_52_360;      /* 202 */
 104         u8                      raw_pwr_cl_26_360;      /* 203 */
 105         u8                      raw_s_a_timeout;        /* 217 */
 106         u8                      raw_hc_erase_gap_size;  /* 221 */
 107         u8                      raw_erase_timeout_mult; /* 223 */
 108         u8                      raw_hc_erase_grp_size;  /* 224 */
 109         u8                      raw_sec_trim_mult;      /* 229 */
 110         u8                      raw_sec_erase_mult;     /* 230 */
 111         u8                      raw_sec_feature_support;/* 231 */
 112         u8                      raw_trim_mult;          /* 232 */
 113         u8                      raw_pwr_cl_200_195;     /* 236 */
 114         u8                      raw_pwr_cl_200_360;     /* 237 */
 115         u8                      raw_pwr_cl_ddr_52_195;  /* 238 */
 116         u8                      raw_pwr_cl_ddr_52_360;  /* 239 */
 117         u8                      raw_pwr_cl_ddr_200_360; /* 253 */
 118         u8                      raw_bkops_status;       /* 246 */
 119         u8                      raw_sectors[4];         /* 212 - 4 bytes */
 120
 121         unsigned int            feature_support;
 122 #define MMC_DISCARD_FEATURE     BIT(0)                  /* CMD38 feature */
 123 };
 124
 125 struct sd_scr {
 126         unsigned char           sda_vsn;
 127         unsigned char           sda_spec3;
 128         unsigned char           bus_widths;
 129 #define SD_SCR_BUS_WIDTH_1      (1<<0)
 130 #define SD_SCR_BUS_WIDTH_4      (1<<2)
 131         unsigned char           cmds;
 132 #define SD_SCR_CMD20_SUPPORT   (1<<0)
 133 #define SD_SCR_CMD23_SUPPORT   (1<<1)
 134 };
 135
 136 struct sd_ssr {
 137         unsigned int            au;                     /* In sectors */
 138         unsigned int            erase_timeout;          /* In milliseconds */
 139         unsigned int            erase_offset;           /* In milliseconds */
 140 };
 141
 142 struct sd_switch_caps {
 143         unsigned int            hs_max_dtr;
 144         unsigned int            uhs_max_dtr;
 145 #define HIGH_SPEED_MAX_DTR      50000000
 146 #define UHS_SDR104_MAX_DTR      208000000
 147 #define UHS_SDR50_MAX_DTR       100000000
 148 #define UHS_DDR50_MAX_DTR       50000000
 149 #define UHS_SDR25_MAX_DTR       UHS_DDR50_MAX_DTR
 150 #define UHS_SDR12_MAX_DTR       25000000
 151         unsigned int            sd3_bus_mode;
 152 #define UHS_SDR12_BUS_SPEED     0
 153 #define HIGH_SPEED_BUS_SPEED    1
 154 #define UHS_SDR25_BUS_SPEED     1
 155 #define UHS_SDR50_BUS_SPEED     2
 156 #define UHS_SDR104_BUS_SPEED    3
 157 #define UHS_DDR50_BUS_SPEED     4
 158
 159 #define SD_MODE_HIGH_SPEED      (1 << HIGH_SPEED_BUS_SPEED)
 160 #define SD_MODE_UHS_SDR12       (1 << UHS_SDR12_BUS_SPEED)
 161 #define SD_MODE_UHS_SDR25       (1 << UHS_SDR25_BUS_SPEED)
 162 #define SD_MODE_UHS_SDR50       (1 << UHS_SDR50_BUS_SPEED)
 163 #define SD_MODE_UHS_SDR104      (1 << UHS_SDR104_BUS_SPEED)
 164 #define SD_MODE_UHS_DDR50       (1 << UHS_DDR50_BUS_SPEED)
 165         unsigned int            sd3_drv_type;
 166 #define SD_DRIVER_TYPE_B        0x01
 167 #define SD_DRIVER_TYPE_A        0x02
 168 #define SD_DRIVER_TYPE_C        0x04
 169 #define SD_DRIVER_TYPE_D        0x08
 170         unsigned int            sd3_curr_limit;
 171 #define SD_SET_CURRENT_LIMIT_200        0
 172 #define SD_SET_CURRENT_LIMIT_400        1
 173 #define SD_SET_CURRENT_LIMIT_600        2
 174 #define SD_SET_CURRENT_LIMIT_800        3
 175 #define SD_SET_CURRENT_NO_CHANGE        (-1)
 176
 177 #define SD_MAX_CURRENT_200      (1 << SD_SET_CURRENT_LIMIT_200)
 178 #define SD_MAX_CURRENT_400      (1 << SD_SET_CURRENT_LIMIT_400)
 179 #define SD_MAX_CURRENT_600      (1 << SD_SET_CURRENT_LIMIT_600)
 180 #define SD_MAX_CURRENT_800      (1 << SD_SET_CURRENT_LIMIT_800)
 181 };
 182
 183 struct sdio_cccr {
 184         unsigned int            sdio_vsn;
 185         unsigned int            sd_vsn;
 186         unsigned int            multi_block:1,
 187                                 low_speed:1,
 188                                 wide_bus:1,
 189                                 high_power:1,
 190                                 high_speed:1,
 191                                 disable_cd:1;
 192 };
 193
 194 struct sdio_cis {
 195         unsigned short          vendor;
 196         unsigned short          device;
 197         unsigned short          blksize;
 198         unsigned int            max_dtr;
 199 };
 200
 201 struct mmc_host;
 202 struct mmc_ios;
 203 struct sdio_func;
 204 struct sdio_func_tuple;
 205
 206 #define SDIO_MAX_FUNCS          7
 207
 208 enum mmc_blk_status {
 209         MMC_BLK_SUCCESS = 0,
 210         MMC_BLK_PARTIAL,
 211         MMC_BLK_CMD_ERR,
 212         MMC_BLK_RETRY,
 213         MMC_BLK_ABORT,
 214         MMC_BLK_DATA_ERR,
 215         MMC_BLK_ECC_ERR,
 216         MMC_BLK_NOMEDIUM,
 217         MMC_BLK_NEW_REQUEST,
 218 };
 219
 220 /* The number of MMC physical partitions.  These consist of:
 221  * boot partitions (2), general purpose partitions (4) and
 222  * RPMB partition (1) in MMC v4.4.
 223  */
 224 #define MMC_NUM_BOOT_PARTITION  2
 225 #define MMC_NUM_GP_PARTITION    4
 226 #define MMC_NUM_PHY_PARTITION   7
 227 #define MAX_MMC_PART_NAME_LEN   20
 228
 229 /*
 230  * MMC Physical partitions
 231  */
 232 struct mmc_part {
 233         unsigned int    size;   /* partition size (in bytes) */
 234         unsigned int    part_cfg;       /* partition type */
 235         char    name[MAX_MMC_PART_NAME_LEN];
 236         bool    force_ro;       /* to make boot parts RO by default */
 237         unsigned int    area_type;
 238 #define MMC_BLK_DATA_AREA_MAIN  (1<<0)
 239 #define MMC_BLK_DATA_AREA_BOOT  (1<<1)
 240 #define MMC_BLK_DATA_AREA_GP    (1<<2)
 241 #define MMC_BLK_DATA_AREA_RPMB  (1<<3)
 242 };
 243
 244 /*
 245  * MMC device
 246  */
 247 struct mmc_card {
 248         struct mmc_host         *host;          /* the host this device belongs to */
 249         struct device           dev;            /* the device */
 250         u32                     ocr;            /* the current OCR setting */
 251         unsigned int            rca;            /* relative card address of device */
 252         unsigned int            type;           /* card type */
 253 #define MMC_TYPE_MMC            0               /* MMC card */
 254 #define MMC_TYPE_SD             1               /* SD card */
 255 #define MMC_TYPE_SDIO           2               /* SDIO card */
 256 #define MMC_TYPE_SD_COMBO       3               /* SD combo (IO+mem) card */
 257         unsigned int            state;          /* (our) card state */
 258 #define MMC_STATE_PRESENT       (1<<0)          /* present in sysfs */
 259 #define MMC_STATE_READONLY      (1<<1)          /* card is read-only */
 260 #define MMC_STATE_BLOCKADDR     (1<<2)          /* card uses block-addressing */
 261 #define MMC_CARD_SDXC           (1<<3)          /* card is SDXC */
 262 #define MMC_CARD_REMOVED        (1<<4)          /* card has been removed */
 263 #define MMC_STATE_DOING_BKOPS   (1<<5)          /* card is doing BKOPS */
 264 #define MMC_STATE_SUSPENDED     (1<<6)          /* card is suspended */
 265         unsigned int            quirks;         /* card quirks */
 266 #define MMC_QUIRK_LENIENT_FN0   (1<<0)          /* allow SDIO FN0 writes outside of the VS CCCR range */
 267 #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1)    /* use func->cur_blksize */
 268                                                 /* for byte mode */
 269 #define MMC_QUIRK_NONSTD_SDIO   (1<<2)          /* non-standard SDIO card attached */
 270                                                 /* (missing CIA registers) */
 271 #define MMC_QUIRK_BROKEN_CLK_GATING (1<<3)      /* clock gating the sdio bus will make card fail */
 272 #define MMC_QUIRK_NONSTD_FUNC_IF (1<<4)         /* SDIO card has nonstd function interfaces */
 273 #define MMC_QUIRK_DISABLE_CD    (1<<5)          /* disconnect CD/DAT[3] resistor */
 274 #define MMC_QUIRK_INAND_CMD38   (1<<6)          /* iNAND devices have broken CMD38 */
 275 #define MMC_QUIRK_BLK_NO_CMD23  (1<<7)          /* Avoid CMD23 for regular multiblock */
 276 #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8)   /* Avoid sending 512 bytes in */
 277                                                 /* byte mode */
 278 #define MMC_QUIRK_LONG_READ_TIME (1<<9)         /* Data read time > CSD says */
 279 #define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */
 280 #define MMC_QUIRK_BROKEN_IRQ_POLLING    (1<<11) /* Polling SDIO_CCCR_INTx could create a fake interrupt */
 281
 282         unsigned int            erase_size;     /* erase size in sectors */
 283         unsigned int            erase_shift;    /* if erase unit is power 2 */
 284         unsigned int            pref_erase;     /* in sectors */
 285         u8                      erased_byte;    /* value of erased bytes */
 286
 287         u32                     raw_cid[4];     /* raw card CID */
 288         u32                     raw_csd[4];     /* raw card CSD */
 289         u32                     raw_scr[2];     /* raw card SCR */
 290         struct mmc_cid          cid;            /* card identification */
 291         struct mmc_csd          csd;            /* card specific */
 292         struct mmc_ext_csd      ext_csd;        /* mmc v4 extended card specific */
 293         struct sd_scr           scr;            /* extra SD information */
 294         struct sd_ssr           ssr;            /* yet more SD information */
 295         struct sd_switch_caps   sw_caps;        /* switch (CMD6) caps */
 296
 297         unsigned int            sdio_funcs;     /* number of SDIO functions */
 298         struct sdio_cccr        cccr;           /* common card info */
 299         struct sdio_cis         cis;            /* common tuple info */
 300         struct sdio_func        *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
 301         struct sdio_func        *sdio_single_irq; /* SDIO function when only one IRQ active */
 302         unsigned                num_info;       /* number of info strings */
 303         const char              **info;         /* info strings */
 304         struct sdio_func_tuple  *tuples;        /* unknown common tuples */
 305
 306         unsigned int            sd_bus_speed;   /* Bus Speed Mode set for the card */
 307         unsigned int            mmc_avail_type; /* supported device type by both host and card */
 308
 309         struct dentry           *debugfs_root;
 310         struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */
 311         unsigned int    nr_parts;
 312 };
 313
 314 /*
 315  * This function fill contents in mmc_part.
 316  */
 317 static inline void mmc_part_add(struct mmc_card *card, unsigned int size,
 318                         unsigned int part_cfg, char *name, int idx, bool ro,
 319                         int area_type)
 320 {
 321         card->part[card->nr_parts].size = size;
 322         card->part[card->nr_parts].part_cfg = part_cfg;
 323         sprintf(card->part[card->nr_parts].name, name, idx);
 324         card->part[card->nr_parts].force_ro = ro;
 325         card->part[card->nr_parts].area_type = area_type;
 326         card->nr_parts++;
 327 }
 328
 329 static inline bool mmc_large_sector(struct mmc_card *card)
 330 {
 331         return card->ext_csd.data_sector_size == 4096;
 332 }
 333
 334 /*
 335  *  The world is not perfect and supplies us with broken mmc/sdio devices.
 336  *  For at least some of these bugs we need a work-around.
 337  */
 338
 339 struct mmc_fixup {
 340         /* CID-specific fields. */
 341         const char *name;
 342
 343         /* Valid revision range */
 344         u64 rev_start, rev_end;
 345
 346         unsigned int manfid;
 347         unsigned short oemid;
 348
 349         /* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
 350         u16 cis_vendor, cis_device;
 351
 352         void (*vendor_fixup)(struct mmc_card *card, int data);
 353         int data;
 354 };
 355
 356 #define CID_MANFID_ANY (-1u)
 357 #define CID_OEMID_ANY ((unsigned short) -1)
 358 #define CID_NAME_ANY (NULL)
 359
 360 #define END_FIXUP { NULL }
 361
 362 #define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end,        \
 363                    _cis_vendor, _cis_device,                            \
 364                    _fixup, _data)                                       \
 365         {                                                  \
 366                 .name = (_name),                           \
 367                 .manfid = (_manfid),                       \
 368                 .oemid = (_oemid),                         \
 369                 .rev_start = (_rev_start),                 \
 370                 .rev_end = (_rev_end),                     \
 371                 .cis_vendor = (_cis_vendor),               \
 372                 .cis_device = (_cis_device),               \
 373                 .vendor_fixup = (_fixup),                  \
 374                 .data = (_data),                           \
 375          }
 376
 377 #define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end,     \
 378                       _fixup, _data)                                    \
 379         _FIXUP_EXT(_name, _manfid,                                      \
 380                    _oemid, _rev_start, _rev_end,                        \
 381                    SDIO_ANY_ID, SDIO_ANY_ID,                            \
 382                    _fixup, _data)                                       \
 383
 384 #define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
 385         MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
 386
 387 #define SDIO_FIXUP(_vendor, _device, _fixup, _data)                     \
 388         _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY,                        \
 389                     CID_OEMID_ANY, 0, -1ull,                            \
 390                    _vendor, _device,                                    \
 391                    _fixup, _data)                                       \
 392
 393 #define cid_rev(hwrev, fwrev, year, month)      \
 394         (((u64) hwrev) << 40 |                  \
 395          ((u64) fwrev) << 32 |                  \
 396          ((u64) year) << 16 |                   \
 397          ((u64) month))
 398
 399 #define cid_rev_card(card)                \
 400         cid_rev(card->cid.hwrev,          \
 401                     card->cid.fwrev,      \
 402                     card->cid.year,       \
 403                     card->cid.month)
 404
 405 /*
 406  * Unconditionally quirk add/remove.
 407  */
 408
 409 static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
 410 {
 411         card->quirks |= data;
 412 }
 413
 414 static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
 415 {
 416         card->quirks &= ~data;
 417 }
 418
 419 #define mmc_card_mmc(c)         ((c)->type == MMC_TYPE_MMC)
 420 #define mmc_card_sd(c)          ((c)->type == MMC_TYPE_SD)
 421 #define mmc_card_sdio(c)        ((c)->type == MMC_TYPE_SDIO)
 422
 423 #define mmc_card_present(c)     ((c)->state & MMC_STATE_PRESENT)
 424 #define mmc_card_readonly(c)    ((c)->state & MMC_STATE_READONLY)
 425 #define mmc_card_blockaddr(c)   ((c)->state & MMC_STATE_BLOCKADDR)
 426 #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
 427 #define mmc_card_removed(c)     ((c) && ((c)->state & MMC_CARD_REMOVED))
 428 #define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS)
 429 #define mmc_card_suspended(c)   ((c)->state & MMC_STATE_SUSPENDED)
 430
 431 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
 432 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
 433 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
 434 #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
 435 #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
 436 #define mmc_card_set_doing_bkops(c)     ((c)->state |= MMC_STATE_DOING_BKOPS)
 437 #define mmc_card_clr_doing_bkops(c)     ((c)->state &= ~MMC_STATE_DOING_BKOPS)
 438 #define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED)
 439 #define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED)
 440
 441 /*
 442  * Quirk add/remove for MMC products.
 443  */
 444
 445 static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
 446 {
 447         if (mmc_card_mmc(card))
 448                 card->quirks |= data;
 449 }
 450
 451 static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
 452                                                    int data)
 453 {
 454         if (mmc_card_mmc(card))
 455                 card->quirks &= ~data;
 456 }
 457
 458 /*
 459  * Quirk add/remove for SD products.
 460  */
 461
 462 static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
 463 {
 464         if (mmc_card_sd(card))
 465                 card->quirks |= data;
 466 }
 467
 468 static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
 469                                                    int data)
 470 {
 471         if (mmc_card_sd(card))
 472                 card->quirks &= ~data;
 473 }
 474
 475 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
 476 {
 477         return c->quirks & MMC_QUIRK_LENIENT_FN0;
 478 }
 479
 480 static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
 481 {
 482         return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
 483 }
 484
 485 static inline int mmc_card_disable_cd(const struct mmc_card *c)
 486 {
 487         return c->quirks & MMC_QUIRK_DISABLE_CD;
 488 }
 489
 490 static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
 491 {
 492         return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
 493 }
 494
 495 static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
 496 {
 497         return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
 498 }
 499
 500 static inline int mmc_card_long_read_time(const struct mmc_card *c)
 501 {
 502         return c->quirks & MMC_QUIRK_LONG_READ_TIME;
 503 }
 504
 505 static inline int mmc_card_broken_irq_polling(const struct mmc_card *c)
 506 {
 507         return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING;
 508 }
 509
 510 #define mmc_card_name(c)        ((c)->cid.prod_name)
 511 #define mmc_card_id(c)          (dev_name(&(c)->dev))
 512
 513 #define mmc_dev_to_card(d)      container_of(d, struct mmc_card, dev)
 514
 515 extern int mmc_register_driver(struct device_driver *);
 516 extern void mmc_unregister_driver(struct device_driver *);
 517
 518 extern void mmc_fixup_device(struct mmc_card *card,
 519                              const struct mmc_fixup *table);
 520
 521 #endif /* LINUX_MMC_CARD_H */