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 int            serial;
  21         unsigned short          oemid;
  22         unsigned short          year;
  23         unsigned char           hwrev;
  24         unsigned char           fwrev;
  25         unsigned char           month;
  26 };
  27
  28 struct mmc_csd {
  29         unsigned char           structure;
  30         unsigned char           mmca_vsn;
  31         unsigned short          cmdclass;
  32         unsigned short          tacc_clks;
  33         unsigned int            tacc_ns;
  34         unsigned int            c_size;
  35         unsigned int            r2w_factor;
  36         unsigned int            max_dtr;
  37         unsigned int            erase_size;             /* In sectors */
  38         unsigned int            read_blkbits;
  39         unsigned int            write_blkbits;
  40         unsigned int            capacity;
  41         unsigned int            read_partial:1,
  42                                 read_misalign:1,
  43                                 write_partial:1,
  44                                 write_misalign:1;
  45 };
  46
  47 struct mmc_ext_csd {
  48         u8                      rev;
  49         u8                      erase_group_def;
  50         u8                      sec_feature_support;
  51         u8                      rel_sectors;
  52         u8                      rel_param;
  53         u8                      part_config;
  54         u8                      cache_ctrl;
  55         u8                      rst_n_function;
  56         unsigned int            part_time;              /* Units: ms */
  57         unsigned int            sa_timeout;             /* Units: 100ns */
  58         unsigned int            generic_cmd6_time;      /* Units: 10ms */
  59         unsigned int            power_off_longtime;     /* Units: ms */
  60         unsigned int            hs_max_dtr;
  61 #define MMC_HIGH_26_MAX_DTR     26000000
  62 #define MMC_HIGH_52_MAX_DTR     52000000
  63 #define MMC_HIGH_DDR_MAX_DTR    52000000
  64 #define MMC_HS200_MAX_DTR       200000000
  65         unsigned int            sectors;
  66         unsigned int            card_type;
  67         unsigned int            hc_erase_size;          /* In sectors */
  68         unsigned int            hc_erase_timeout;       /* In milliseconds */
  69         unsigned int            sec_trim_mult;  /* Secure trim multiplier  */
  70         unsigned int            sec_erase_mult; /* Secure erase multiplier */
  71         unsigned int            trim_timeout;           /* In milliseconds */
  72         bool                    enhanced_area_en;       /* enable bit */
  73         unsigned long long      enhanced_area_offset;   /* Units: Byte */
  74         unsigned int            enhanced_area_size;     /* Units: KB */
  75         unsigned int            cache_size;             /* Units: KB */
  76         bool                    hpi_en;                 /* HPI enablebit */
  77         bool                    hpi;                    /* HPI support bit */
  78         unsigned int            hpi_cmd;                /* cmd used as HPI */
  79         unsigned int            data_sector_size;       /* 512 bytes or 4KB */
  80         unsigned int            data_tag_unit_size;     /* DATA TAG UNIT size */
  81         unsigned int            boot_ro_lock;           /* ro lock support */
  82         bool                    boot_ro_lockable;
  83         u8                      raw_partition_support;  /* 160 */
  84         u8                      raw_erased_mem_count;   /* 181 */
  85         u8                      raw_ext_csd_structure;  /* 194 */
  86         u8                      raw_card_type;          /* 196 */
  87         u8                      out_of_int_time;        /* 198 */
  88         u8                      raw_s_a_timeout;                /* 217 */
  89         u8                      raw_hc_erase_gap_size;  /* 221 */
  90         u8                      raw_erase_timeout_mult; /* 223 */
  91         u8                      raw_hc_erase_grp_size;  /* 224 */
  92         u8                      raw_sec_trim_mult;      /* 229 */
  93         u8                      raw_sec_erase_mult;     /* 230 */
  94         u8                      raw_sec_feature_support;/* 231 */
  95         u8                      raw_trim_mult;          /* 232 */
  96         u8                      raw_sectors[4];         /* 212 - 4 bytes */
  97
  98         unsigned int            feature_support;
  99 #define MMC_DISCARD_FEATURE     BIT(0)                  /* CMD38 feature */
 100 };
 101
 102 struct sd_scr {
 103         unsigned char           sda_vsn;
 104         unsigned char           sda_spec3;
 105         unsigned char           bus_widths;
 106 #define SD_SCR_BUS_WIDTH_1      (1<<0)
 107 #define SD_SCR_BUS_WIDTH_4      (1<<2)
 108         unsigned char           cmds;
 109 #define SD_SCR_CMD20_SUPPORT   (1<<0)
 110 #define SD_SCR_CMD23_SUPPORT   (1<<1)
 111 };
 112
 113 struct sd_ssr {
 114         unsigned int            au;                     /* In sectors */
 115         unsigned int            erase_timeout;          /* In milliseconds */
 116         unsigned int            erase_offset;           /* In milliseconds */
 117 };
 118
 119 struct sd_switch_caps {
 120         unsigned int            hs_max_dtr;
 121         unsigned int            uhs_max_dtr;
 122 #define HIGH_SPEED_MAX_DTR      50000000
 123 #define UHS_SDR104_MAX_DTR      208000000
 124 #define UHS_SDR50_MAX_DTR       100000000
 125 #define UHS_DDR50_MAX_DTR       50000000
 126 #define UHS_SDR25_MAX_DTR       UHS_DDR50_MAX_DTR
 127 #define UHS_SDR12_MAX_DTR       25000000
 128         unsigned int            sd3_bus_mode;
 129 #define UHS_SDR12_BUS_SPEED     0
 130 #define HIGH_SPEED_BUS_SPEED    1
 131 #define UHS_SDR25_BUS_SPEED     1
 132 #define UHS_SDR50_BUS_SPEED     2
 133 #define UHS_SDR104_BUS_SPEED    3
 134 #define UHS_DDR50_BUS_SPEED     4
 135
 136 #define SD_MODE_HIGH_SPEED      (1 << HIGH_SPEED_BUS_SPEED)
 137 #define SD_MODE_UHS_SDR12       (1 << UHS_SDR12_BUS_SPEED)
 138 #define SD_MODE_UHS_SDR25       (1 << UHS_SDR25_BUS_SPEED)
 139 #define SD_MODE_UHS_SDR50       (1 << UHS_SDR50_BUS_SPEED)
 140 #define SD_MODE_UHS_SDR104      (1 << UHS_SDR104_BUS_SPEED)
 141 #define SD_MODE_UHS_DDR50       (1 << UHS_DDR50_BUS_SPEED)
 142         unsigned int            sd3_drv_type;
 143 #define SD_DRIVER_TYPE_B        0x01
 144 #define SD_DRIVER_TYPE_A        0x02
 145 #define SD_DRIVER_TYPE_C        0x04
 146 #define SD_DRIVER_TYPE_D        0x08
 147         unsigned int            sd3_curr_limit;
 148 #define SD_SET_CURRENT_LIMIT_200        0
 149 #define SD_SET_CURRENT_LIMIT_400        1
 150 #define SD_SET_CURRENT_LIMIT_600        2
 151 #define SD_SET_CURRENT_LIMIT_800        3
 152 #define SD_SET_CURRENT_NO_CHANGE        (-1)
 153
 154 #define SD_MAX_CURRENT_200      (1 << SD_SET_CURRENT_LIMIT_200)
 155 #define SD_MAX_CURRENT_400      (1 << SD_SET_CURRENT_LIMIT_400)
 156 #define SD_MAX_CURRENT_600      (1 << SD_SET_CURRENT_LIMIT_600)
 157 #define SD_MAX_CURRENT_800      (1 << SD_SET_CURRENT_LIMIT_800)
 158 };
 159
 160 struct sdio_cccr {
 161         unsigned int            sdio_vsn;
 162         unsigned int            sd_vsn;
 163         unsigned int            multi_block:1,
 164                                 low_speed:1,
 165                                 wide_bus:1,
 166                                 high_power:1,
 167                                 high_speed:1,
 168                                 disable_cd:1;
 169 };
 170
 171 struct sdio_cis {
 172         unsigned short          vendor;
 173         unsigned short          device;
 174         unsigned short          blksize;
 175         unsigned int            max_dtr;
 176 };
 177
 178 struct mmc_host;
 179 struct sdio_func;
 180 struct sdio_func_tuple;
 181
 182 #define SDIO_MAX_FUNCS          7
 183
 184 /* The number of MMC physical partitions.  These consist of:
 185  * boot partitions (2), general purpose partitions (4) in MMC v4.4.
 186  */
 187 #define MMC_NUM_BOOT_PARTITION  2
 188 #define MMC_NUM_GP_PARTITION    4
 189 #define MMC_NUM_PHY_PARTITION   6
 190 #define MAX_MMC_PART_NAME_LEN   20
 191
 192 /*
 193  * MMC Physical partitions
 194  */
 195 struct mmc_part {
 196         unsigned int    size;   /* partition size (in bytes) */
 197         unsigned int    part_cfg;       /* partition type */
 198         char    name[MAX_MMC_PART_NAME_LEN];
 199         bool    force_ro;       /* to make boot parts RO by default */
 200         unsigned int    area_type;
 201 #define MMC_BLK_DATA_AREA_MAIN  (1<<0)
 202 #define MMC_BLK_DATA_AREA_BOOT  (1<<1)
 203 #define MMC_BLK_DATA_AREA_GP    (1<<2)
 204 };
 205
 206 /*
 207  * MMC device
 208  */
 209 struct mmc_card {
 210         struct mmc_host         *host;          /* the host this device belongs to */
 211         struct device           dev;            /* the device */
 212         unsigned int            rca;            /* relative card address of device */
 213         unsigned int            type;           /* card type */
 214 #define MMC_TYPE_MMC            0               /* MMC card */
 215 #define MMC_TYPE_SD             1               /* SD card */
 216 #define MMC_TYPE_SDIO           2               /* SDIO card */
 217 #define MMC_TYPE_SD_COMBO       3               /* SD combo (IO+mem) card */
 218         unsigned int            state;          /* (our) card state */
 219 #define MMC_STATE_PRESENT       (1<<0)          /* present in sysfs */
 220 #define MMC_STATE_READONLY      (1<<1)          /* card is read-only */
 221 #define MMC_STATE_HIGHSPEED     (1<<2)          /* card is in high speed mode */
 222 #define MMC_STATE_BLOCKADDR     (1<<3)          /* card uses block-addressing */
 223 #define MMC_STATE_HIGHSPEED_DDR (1<<4)          /* card is in high speed mode */
 224 #define MMC_STATE_ULTRAHIGHSPEED (1<<5)         /* card is in ultra high speed mode */
 225 #define MMC_CARD_SDXC           (1<<6)          /* card is SDXC */
 226 #define MMC_CARD_REMOVED        (1<<7)          /* card has been removed */
 227 #define MMC_STATE_HIGHSPEED_200 (1<<8)          /* card is in HS200 mode */
 228 #define MMC_STATE_SLEEP         (1<<9)          /* card is in sleep state */
 229         unsigned int            quirks;         /* card quirks */
 230 #define MMC_QUIRK_LENIENT_FN0   (1<<0)          /* allow SDIO FN0 writes outside of the VS CCCR range */
 231 #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1)    /* use func->cur_blksize */
 232                                                 /* for byte mode */
 233 #define MMC_QUIRK_NONSTD_SDIO   (1<<2)          /* non-standard SDIO card attached */
 234                                                 /* (missing CIA registers) */
 235 #define MMC_QUIRK_BROKEN_CLK_GATING (1<<3)      /* clock gating the sdio bus will make card fail */
 236 #define MMC_QUIRK_NONSTD_FUNC_IF (1<<4)         /* SDIO card has nonstd function interfaces */
 237 #define MMC_QUIRK_DISABLE_CD    (1<<5)          /* disconnect CD/DAT[3] resistor */
 238 #define MMC_QUIRK_INAND_CMD38   (1<<6)          /* iNAND devices have broken CMD38 */
 239 #define MMC_QUIRK_BLK_NO_CMD23  (1<<7)          /* Avoid CMD23 for regular multiblock */
 240 #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8)   /* Avoid sending 512 bytes in */
 241 #define MMC_QUIRK_LONG_READ_TIME (1<<9)         /* Data read time > CSD says */
 242 #define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */
 243                                                 /* byte mode */
 244         unsigned int    poweroff_notify_state;  /* eMMC4.5 notify feature */
 245 #define MMC_NO_POWER_NOTIFICATION       0
 246 #define MMC_POWERED_ON                  1
 247 #define MMC_POWEROFF_SHORT              2
 248 #define MMC_POWEROFF_LONG               3
 249
 250         unsigned int            erase_size;     /* erase size in sectors */
 251         unsigned int            erase_shift;    /* if erase unit is power 2 */
 252         unsigned int            pref_erase;     /* in sectors */
 253         u8                      erased_byte;    /* value of erased bytes */
 254
 255         u32                     raw_cid[4];     /* raw card CID */
 256         u32                     raw_csd[4];     /* raw card CSD */
 257         u32                     raw_scr[2];     /* raw card SCR */
 258         struct mmc_cid          cid;            /* card identification */
 259         struct mmc_csd          csd;            /* card specific */
 260         struct mmc_ext_csd      ext_csd;        /* mmc v4 extended card specific */
 261         struct sd_scr           scr;            /* extra SD information */
 262         struct sd_ssr           ssr;            /* yet more SD information */
 263         struct sd_switch_caps   sw_caps;        /* switch (CMD6) caps */
 264
 265         unsigned int            sdio_funcs;     /* number of SDIO functions */
 266         struct sdio_cccr        cccr;           /* common card info */
 267         struct sdio_cis         cis;            /* common tuple info */
 268         struct sdio_func        *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
 269         struct sdio_func        *sdio_single_irq; /* SDIO function when only one IRQ active */
 270         unsigned                num_info;       /* number of info strings */
 271         const char              **info;         /* info strings */
 272         struct sdio_func_tuple  *tuples;        /* unknown common tuples */
 273
 274         unsigned int            sd_bus_speed;   /* Bus Speed Mode set for the card */
 275
 276         struct dentry           *debugfs_root;
 277         struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */
 278         unsigned int    nr_parts;
 279 };
 280
 281 /*
 282  * This function fill contents in mmc_part.
 283  */
 284 static inline void mmc_part_add(struct mmc_card *card, unsigned int size,
 285                         unsigned int part_cfg, char *name, int idx, bool ro,
 286                         int area_type)
 287 {
 288         card->part[card->nr_parts].size = size;
 289         card->part[card->nr_parts].part_cfg = part_cfg;
 290         sprintf(card->part[card->nr_parts].name, name, idx);
 291         card->part[card->nr_parts].force_ro = ro;
 292         card->part[card->nr_parts].area_type = area_type;
 293         card->nr_parts++;
 294 }
 295
 296 /*
 297  *  The world is not perfect and supplies us with broken mmc/sdio devices.
 298  *  For at least some of these bugs we need a work-around.
 299  */
 300
 301 struct mmc_fixup {
 302         /* CID-specific fields. */
 303         const char *name;
 304
 305         /* Valid revision range */
 306         u64 rev_start, rev_end;
 307
 308         unsigned int manfid;
 309         unsigned short oemid;
 310
 311         /* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
 312         u16 cis_vendor, cis_device;
 313
 314         void (*vendor_fixup)(struct mmc_card *card, int data);
 315         int data;
 316 };
 317
 318 #define CID_MANFID_ANY (-1u)
 319 #define CID_OEMID_ANY ((unsigned short) -1)
 320 #define CID_NAME_ANY (NULL)
 321
 322 #define END_FIXUP { 0 }
 323
 324 #define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end,        \
 325                    _cis_vendor, _cis_device,                            \
 326                    _fixup, _data)                                       \
 327         {                                                  \
 328                 .name = (_name),                           \
 329                 .manfid = (_manfid),                       \
 330                 .oemid = (_oemid),                         \
 331                 .rev_start = (_rev_start),                 \
 332                 .rev_end = (_rev_end),                     \
 333                 .cis_vendor = (_cis_vendor),               \
 334                 .cis_device = (_cis_device),               \
 335                 .vendor_fixup = (_fixup),                  \
 336                 .data = (_data),                           \
 337          }
 338
 339 #define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end,     \
 340                       _fixup, _data)                                    \
 341         _FIXUP_EXT(_name, _manfid,                                      \
 342                    _oemid, _rev_start, _rev_end,                        \
 343                    SDIO_ANY_ID, SDIO_ANY_ID,                            \
 344                    _fixup, _data)                                       \
 345
 346 #define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
 347         MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
 348
 349 #define SDIO_FIXUP(_vendor, _device, _fixup, _data)                     \
 350         _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY,                        \
 351                     CID_OEMID_ANY, 0, -1ull,                            \
 352                    _vendor, _device,                                    \
 353                    _fixup, _data)                                       \
 354
 355 #define cid_rev(hwrev, fwrev, year, month)      \
 356         (((u64) hwrev) << 40 |                  \
 357          ((u64) fwrev) << 32 |                  \
 358          ((u64) year) << 16 |                   \
 359          ((u64) month))
 360
 361 #define cid_rev_card(card)                \
 362         cid_rev(card->cid.hwrev,          \
 363                     card->cid.fwrev,      \
 364                     card->cid.year,       \
 365                     card->cid.month)
 366
 367 /*
 368  * Unconditionally quirk add/remove.
 369  */
 370
 371 static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
 372 {
 373         card->quirks |= data;
 374 }
 375
 376 static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
 377 {
 378         card->quirks &= ~data;
 379 }
 380
 381 #define mmc_card_mmc(c)         ((c)->type == MMC_TYPE_MMC)
 382 #define mmc_card_sd(c)          ((c)->type == MMC_TYPE_SD)
 383 #define mmc_card_sdio(c)        ((c)->type == MMC_TYPE_SDIO)
 384
 385 #define mmc_card_present(c)     ((c)->state & MMC_STATE_PRESENT)
 386 #define mmc_card_readonly(c)    ((c)->state & MMC_STATE_READONLY)
 387 #define mmc_card_highspeed(c)   ((c)->state & MMC_STATE_HIGHSPEED)
 388 #define mmc_card_hs200(c)       ((c)->state & MMC_STATE_HIGHSPEED_200)
 389 #define mmc_card_blockaddr(c)   ((c)->state & MMC_STATE_BLOCKADDR)
 390 #define mmc_card_ddr_mode(c)    ((c)->state & MMC_STATE_HIGHSPEED_DDR)
 391 #define mmc_card_uhs(c)         ((c)->state & MMC_STATE_ULTRAHIGHSPEED)
 392 #define mmc_sd_card_uhs(c)      ((c)->state & MMC_STATE_ULTRAHIGHSPEED)
 393 #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
 394 #define mmc_card_removed(c)     ((c) && ((c)->state & MMC_CARD_REMOVED))
 395 #define mmc_card_is_sleep(c)    ((c)->state & MMC_STATE_SLEEP)
 396
 397 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
 398 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
 399 #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
 400 #define mmc_card_set_hs200(c)   ((c)->state |= MMC_STATE_HIGHSPEED_200)
 401 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
 402 #define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR)
 403 #define mmc_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED)
 404 #define mmc_sd_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED)
 405 #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
 406 #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
 407 #define mmc_card_set_sleep(c)   ((c)->state |= MMC_STATE_SLEEP)
 408
 409 #define mmc_card_clr_sleep(c)   ((c)->state &= ~MMC_STATE_SLEEP)
 410 /*
 411  * Quirk add/remove for MMC products.
 412  */
 413
 414 static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
 415 {
 416         if (mmc_card_mmc(card))
 417                 card->quirks |= data;
 418 }
 419
 420 static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
 421                                                    int data)
 422 {
 423         if (mmc_card_mmc(card))
 424                 card->quirks &= ~data;
 425 }
 426
 427 /*
 428  * Quirk add/remove for SD products.
 429  */
 430
 431 static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
 432 {
 433         if (mmc_card_sd(card))
 434                 card->quirks |= data;
 435 }
 436
 437 static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
 438                                                    int data)
 439 {
 440         if (mmc_card_sd(card))
 441                 card->quirks &= ~data;
 442 }
 443
 444 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
 445 {
 446         return c->quirks & MMC_QUIRK_LENIENT_FN0;
 447 }
 448
 449 static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
 450 {
 451         return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
 452 }
 453
 454 static inline int mmc_card_disable_cd(const struct mmc_card *c)
 455 {
 456         return c->quirks & MMC_QUIRK_DISABLE_CD;
 457 }
 458
 459 static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
 460 {
 461         return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
 462 }
 463
 464 static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
 465 {
 466         return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
 467 }
 468
 469 static inline int mmc_card_long_read_time(const struct mmc_card *c)
 470 {
 471         return c->quirks & MMC_QUIRK_LONG_READ_TIME;
 472 }
 473
 474 #define mmc_card_name(c)        ((c)->cid.prod_name)
 475 #define mmc_card_id(c)          (dev_name(&(c)->dev))
 476
 477 #define mmc_dev_to_card(d)      container_of(d, struct mmc_card, dev)
 478
 479 #define mmc_list_to_card(l)     container_of(l, struct mmc_card, node)
 480 #define mmc_get_drvdata(c)      dev_get_drvdata(&(c)->dev)
 481 #define mmc_set_drvdata(c,d)    dev_set_drvdata(&(c)->dev, d)
 482
 483 /*
 484  * MMC device driver (e.g., Flash card, I/O card...)
 485  */
 486 struct mmc_driver {
 487         struct device_driver drv;
 488         int (*probe)(struct mmc_card *);
 489         void (*remove)(struct mmc_card *);
 490         int (*suspend)(struct mmc_card *);
 491         int (*resume)(struct mmc_card *);
 492 };
 493
 494 extern int mmc_register_driver(struct mmc_driver *);
 495 extern void mmc_unregister_driver(struct mmc_driver *);
 496
 497 extern void mmc_fixup_device(struct mmc_card *card,
 498                              const struct mmc_fixup *table);
 499
 500 #endif /* LINUX_MMC_CARD_H */