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                      raw_driver_strength;    /* 197 */
 101         u8                      out_of_int_time;        /* 198 */
 102         u8                      raw_pwr_cl_52_195;      /* 200 */
 103         u8                      raw_pwr_cl_26_195;      /* 201 */
 104         u8                      raw_pwr_cl_52_360;      /* 202 */
 105         u8                      raw_pwr_cl_26_360;      /* 203 */
 106         u8                      raw_s_a_timeout;        /* 217 */
 107         u8                      raw_hc_erase_gap_size;  /* 221 */
 108         u8                      raw_erase_timeout_mult; /* 223 */
 109         u8                      raw_hc_erase_grp_size;  /* 224 */
 110         u8                      raw_sec_trim_mult;      /* 229 */
 111         u8                      raw_sec_erase_mult;     /* 230 */
 112         u8                      raw_sec_feature_support;/* 231 */
 113         u8                      raw_trim_mult;          /* 232 */
 114         u8                      raw_pwr_cl_200_195;     /* 236 */
 115         u8                      raw_pwr_cl_200_360;     /* 237 */
 116         u8                      raw_pwr_cl_ddr_52_195;  /* 238 */
 117         u8                      raw_pwr_cl_ddr_52_360;  /* 239 */
 118         u8                      raw_pwr_cl_ddr_200_360; /* 253 */
 119         u8                      raw_bkops_status;       /* 246 */
 120         u8                      raw_sectors[4];         /* 212 - 4 bytes */
 121
 122         unsigned int            feature_support;
 123 #define MMC_DISCARD_FEATURE     BIT(0)                  /* CMD38 feature */
 124 };
 125
 126 struct sd_scr {
 127         unsigned char           sda_vsn;
 128         unsigned char           sda_spec3;
 129         unsigned char           bus_widths;
 130 #define SD_SCR_BUS_WIDTH_1      (1<<0)
 131 #define SD_SCR_BUS_WIDTH_4      (1<<2)
 132         unsigned char           cmds;
 133 #define SD_SCR_CMD20_SUPPORT   (1<<0)
 134 #define SD_SCR_CMD23_SUPPORT   (1<<1)
 135 };
 136
 137 struct sd_ssr {
 138         unsigned int            au;                     /* In sectors */
 139         unsigned int            erase_timeout;          /* In milliseconds */
 140         unsigned int            erase_offset;           /* In milliseconds */
 141 };
 142
 143 struct sd_switch_caps {
 144         unsigned int            hs_max_dtr;
 145         unsigned int            uhs_max_dtr;
 146 #define HIGH_SPEED_MAX_DTR      50000000
 147 #define UHS_SDR104_MAX_DTR      208000000
 148 #define UHS_SDR50_MAX_DTR       100000000
 149 #define UHS_DDR50_MAX_DTR       50000000
 150 #define UHS_SDR25_MAX_DTR       UHS_DDR50_MAX_DTR
 151 #define UHS_SDR12_MAX_DTR       25000000
 152         unsigned int            sd3_bus_mode;
 153 #define UHS_SDR12_BUS_SPEED     0
 154 #define HIGH_SPEED_BUS_SPEED    1
 155 #define UHS_SDR25_BUS_SPEED     1
 156 #define UHS_SDR50_BUS_SPEED     2
 157 #define UHS_SDR104_BUS_SPEED    3
 158 #define UHS_DDR50_BUS_SPEED     4
 159
 160 #define SD_MODE_HIGH_SPEED      (1 << HIGH_SPEED_BUS_SPEED)
 161 #define SD_MODE_UHS_SDR12       (1 << UHS_SDR12_BUS_SPEED)
 162 #define SD_MODE_UHS_SDR25       (1 << UHS_SDR25_BUS_SPEED)
 163 #define SD_MODE_UHS_SDR50       (1 << UHS_SDR50_BUS_SPEED)
 164 #define SD_MODE_UHS_SDR104      (1 << UHS_SDR104_BUS_SPEED)
 165 #define SD_MODE_UHS_DDR50       (1 << UHS_DDR50_BUS_SPEED)
 166         unsigned int            sd3_drv_type;
 167 #define SD_DRIVER_TYPE_B        0x01
 168 #define SD_DRIVER_TYPE_A        0x02
 169 #define SD_DRIVER_TYPE_C        0x04
 170 #define SD_DRIVER_TYPE_D        0x08
 171         unsigned int            sd3_curr_limit;
 172 #define SD_SET_CURRENT_LIMIT_200        0
 173 #define SD_SET_CURRENT_LIMIT_400        1
 174 #define SD_SET_CURRENT_LIMIT_600        2
 175 #define SD_SET_CURRENT_LIMIT_800        3
 176 #define SD_SET_CURRENT_NO_CHANGE        (-1)
 177
 178 #define SD_MAX_CURRENT_200      (1 << SD_SET_CURRENT_LIMIT_200)
 179 #define SD_MAX_CURRENT_400      (1 << SD_SET_CURRENT_LIMIT_400)
 180 #define SD_MAX_CURRENT_600      (1 << SD_SET_CURRENT_LIMIT_600)
 181 #define SD_MAX_CURRENT_800      (1 << SD_SET_CURRENT_LIMIT_800)
 182 };
 183
 184 struct sdio_cccr {
 185         unsigned int            sdio_vsn;
 186         unsigned int            sd_vsn;
 187         unsigned int            multi_block:1,
 188                                 low_speed:1,
 189                                 wide_bus:1,
 190                                 high_power:1,
 191                                 high_speed:1,
 192                                 disable_cd:1;
 193 };
 194
 195 struct sdio_cis {
 196         unsigned short          vendor;
 197         unsigned short          device;
 198         unsigned short          blksize;
 199         unsigned int            max_dtr;
 200 };
 201
 202 struct mmc_host;
 203 struct mmc_ios;
 204 struct sdio_func;
 205 struct sdio_func_tuple;
 206
 207 #define SDIO_MAX_FUNCS          7
 208
 209 enum mmc_blk_status {
 210         MMC_BLK_SUCCESS = 0,
 211         MMC_BLK_PARTIAL,
 212         MMC_BLK_CMD_ERR,
 213         MMC_BLK_RETRY,
 214         MMC_BLK_ABORT,
 215         MMC_BLK_DATA_ERR,
 216         MMC_BLK_ECC_ERR,
 217         MMC_BLK_NOMEDIUM,
 218         MMC_BLK_NEW_REQUEST,
 219 };
 220
 221 /* The number of MMC physical partitions.  These consist of:
 222  * boot partitions (2), general purpose partitions (4) and
 223  * RPMB partition (1) in MMC v4.4.
 224  */
 225 #define MMC_NUM_BOOT_PARTITION  2
 226 #define MMC_NUM_GP_PARTITION    4
 227 #define MMC_NUM_PHY_PARTITION   7
 228 #define MAX_MMC_PART_NAME_LEN   20
 229
 230 /*
 231  * MMC Physical partitions
 232  */
 233 struct mmc_part {
 234         unsigned int    size;   /* partition size (in bytes) */
 235         unsigned int    part_cfg;       /* partition type */
 236         char    name[MAX_MMC_PART_NAME_LEN];
 237         bool    force_ro;       /* to make boot parts RO by default */
 238         unsigned int    area_type;
 239 #define MMC_BLK_DATA_AREA_MAIN  (1<<0)
 240 #define MMC_BLK_DATA_AREA_BOOT  (1<<1)
 241 #define MMC_BLK_DATA_AREA_GP    (1<<2)
 242 #define MMC_BLK_DATA_AREA_RPMB  (1<<3)
 243 };
 244
 245 /*
 246  * MMC device
 247  */
 248 struct mmc_card {
 249         struct mmc_host         *host;          /* the host this device belongs to */
 250         struct device           dev;            /* the device */
 251         u32                     ocr;            /* the current OCR setting */
 252         unsigned int            rca;            /* relative card address of device */
 253         unsigned int            type;           /* card type */
 254 #define MMC_TYPE_MMC            0               /* MMC card */
 255 #define MMC_TYPE_SD             1               /* SD card */
 256 #define MMC_TYPE_SDIO           2               /* SDIO card */
 257 #define MMC_TYPE_SD_COMBO       3               /* SD combo (IO+mem) card */
 258         unsigned int            state;          /* (our) card state */
 259 #define MMC_STATE_PRESENT       (1<<0)          /* present in sysfs */
 260 #define MMC_STATE_READONLY      (1<<1)          /* card is read-only */
 261 #define MMC_STATE_BLOCKADDR     (1<<2)          /* card uses block-addressing */
 262 #define MMC_CARD_SDXC           (1<<3)          /* card is SDXC */
 263 #define MMC_CARD_REMOVED        (1<<4)          /* card has been removed */
 264 #define MMC_STATE_DOING_BKOPS   (1<<5)          /* card is doing BKOPS */
 265 #define MMC_STATE_SUSPENDED     (1<<6)          /* card is suspended */
 266         unsigned int            quirks;         /* card quirks */
 267 #define MMC_QUIRK_LENIENT_FN0   (1<<0)          /* allow SDIO FN0 writes outside of the VS CCCR range */
 268 #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1)    /* use func->cur_blksize */
 269                                                 /* for byte mode */
 270 #define MMC_QUIRK_NONSTD_SDIO   (1<<2)          /* non-standard SDIO card attached */
 271                                                 /* (missing CIA registers) */
 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 #define MMC_QUIRK_TRIM_BROKEN   (1<<12)         /* Skip trim */
 282
 283
 284         unsigned int            erase_size;     /* erase size in sectors */
 285         unsigned int            erase_shift;    /* if erase unit is power 2 */
 286         unsigned int            pref_erase;     /* in sectors */
 287         unsigned int            eg_boundary;    /* don't cross erase-group boundaries */
 288         u8                      erased_byte;    /* value of erased bytes */
 289
 290         u32                     raw_cid[4];     /* raw card CID */
 291         u32                     raw_csd[4];     /* raw card CSD */
 292         u32                     raw_scr[2];     /* raw card SCR */
 293         struct mmc_cid          cid;            /* card identification */
 294         struct mmc_csd          csd;            /* card specific */
 295         struct mmc_ext_csd      ext_csd;        /* mmc v4 extended card specific */
 296         struct sd_scr           scr;            /* extra SD information */
 297         struct sd_ssr           ssr;            /* yet more SD information */
 298         struct sd_switch_caps   sw_caps;        /* switch (CMD6) caps */
 299
 300         unsigned int            sdio_funcs;     /* number of SDIO functions */
 301         struct sdio_cccr        cccr;           /* common card info */
 302         struct sdio_cis         cis;            /* common tuple info */
 303         struct sdio_func        *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
 304         struct sdio_func        *sdio_single_irq; /* SDIO function when only one IRQ active */
 305         unsigned                num_info;       /* number of info strings */
 306         const char              **info;         /* info strings */
 307         struct sdio_func_tuple  *tuples;        /* unknown common tuples */
 308
 309         unsigned int            sd_bus_speed;   /* Bus Speed Mode set for the card */
 310         unsigned int            mmc_avail_type; /* supported device type by both host and card */
 311         unsigned int            drive_strength; /* for UHS-I, HS200 or HS400 */
 312
 313         struct dentry           *debugfs_root;
 314         struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */
 315         unsigned int    nr_parts;
 316 };
 317
 318 /*
 319  * This function fill contents in mmc_part.
 320  */
 321 static inline void mmc_part_add(struct mmc_card *card, unsigned int size,
 322                         unsigned int part_cfg, char *name, int idx, bool ro,
 323                         int area_type)
 324 {
 325         card->part[card->nr_parts].size = size;
 326         card->part[card->nr_parts].part_cfg = part_cfg;
 327         sprintf(card->part[card->nr_parts].name, name, idx);
 328         card->part[card->nr_parts].force_ro = ro;
 329         card->part[card->nr_parts].area_type = area_type;
 330         card->nr_parts++;
 331 }
 332
 333 static inline bool mmc_large_sector(struct mmc_card *card)
 334 {
 335         return card->ext_csd.data_sector_size == 4096;
 336 }
 337
 338 /*
 339  *  The world is not perfect and supplies us with broken mmc/sdio devices.
 340  *  For at least some of these bugs we need a work-around.
 341  */
 342
 343 struct mmc_fixup {
 344         /* CID-specific fields. */
 345         const char *name;
 346
 347         /* Valid revision range */
 348         u64 rev_start, rev_end;
 349
 350         unsigned int manfid;
 351         unsigned short oemid;
 352
 353         /* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
 354         u16 cis_vendor, cis_device;
 355
 356         void (*vendor_fixup)(struct mmc_card *card, int data);
 357         int data;
 358 };
 359
 360 #define CID_MANFID_ANY (-1u)
 361 #define CID_OEMID_ANY ((unsigned short) -1)
 362 #define CID_NAME_ANY (NULL)
 363
 364 #define END_FIXUP { NULL }
 365
 366 #define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end,        \
 367                    _cis_vendor, _cis_device,                            \
 368                    _fixup, _data)                                       \
 369         {                                                  \
 370                 .name = (_name),                           \
 371                 .manfid = (_manfid),                       \
 372                 .oemid = (_oemid),                         \
 373                 .rev_start = (_rev_start),                 \
 374                 .rev_end = (_rev_end),                     \
 375                 .cis_vendor = (_cis_vendor),               \
 376                 .cis_device = (_cis_device),               \
 377                 .vendor_fixup = (_fixup),                  \
 378                 .data = (_data),                           \
 379          }
 380
 381 #define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end,     \
 382                       _fixup, _data)                                    \
 383         _FIXUP_EXT(_name, _manfid,                                      \
 384                    _oemid, _rev_start, _rev_end,                        \
 385                    SDIO_ANY_ID, SDIO_ANY_ID,                            \
 386                    _fixup, _data)                                       \
 387
 388 #define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
 389         MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
 390
 391 #define SDIO_FIXUP(_vendor, _device, _fixup, _data)                     \
 392         _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY,                        \
 393                     CID_OEMID_ANY, 0, -1ull,                            \
 394                    _vendor, _device,                                    \
 395                    _fixup, _data)                                       \
 396
 397 #define cid_rev(hwrev, fwrev, year, month)      \
 398         (((u64) hwrev) << 40 |                  \
 399          ((u64) fwrev) << 32 |                  \
 400          ((u64) year) << 16 |                   \
 401          ((u64) month))
 402
 403 #define cid_rev_card(card)                \
 404         cid_rev(card->cid.hwrev,          \
 405                     card->cid.fwrev,      \
 406                     card->cid.year,       \
 407                     card->cid.month)
 408
 409 /*
 410  * Unconditionally quirk add/remove.
 411  */
 412
 413 static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
 414 {
 415         card->quirks |= data;
 416 }
 417
 418 static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
 419 {
 420         card->quirks &= ~data;
 421 }
 422
 423 #define mmc_card_mmc(c)         ((c)->type == MMC_TYPE_MMC)
 424 #define mmc_card_sd(c)          ((c)->type == MMC_TYPE_SD)
 425 #define mmc_card_sdio(c)        ((c)->type == MMC_TYPE_SDIO)
 426
 427 #define mmc_card_present(c)     ((c)->state & MMC_STATE_PRESENT)
 428 #define mmc_card_readonly(c)    ((c)->state & MMC_STATE_READONLY)
 429 #define mmc_card_blockaddr(c)   ((c)->state & MMC_STATE_BLOCKADDR)
 430 #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
 431 #define mmc_card_removed(c)     ((c) && ((c)->state & MMC_CARD_REMOVED))
 432 #define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS)
 433 #define mmc_card_suspended(c)   ((c)->state & MMC_STATE_SUSPENDED)
 434
 435 #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
 436 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
 437 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
 438 #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
 439 #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
 440 #define mmc_card_set_doing_bkops(c)     ((c)->state |= MMC_STATE_DOING_BKOPS)
 441 #define mmc_card_clr_doing_bkops(c)     ((c)->state &= ~MMC_STATE_DOING_BKOPS)
 442 #define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED)
 443 #define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED)
 444
 445 /*
 446  * Quirk add/remove for MMC products.
 447  */
 448
 449 static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
 450 {
 451         if (mmc_card_mmc(card))
 452                 card->quirks |= data;
 453 }
 454
 455 static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
 456                                                    int data)
 457 {
 458         if (mmc_card_mmc(card))
 459                 card->quirks &= ~data;
 460 }
 461
 462 /*
 463  * Quirk add/remove for SD products.
 464  */
 465
 466 static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
 467 {
 468         if (mmc_card_sd(card))
 469                 card->quirks |= data;
 470 }
 471
 472 static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
 473                                                    int data)
 474 {
 475         if (mmc_card_sd(card))
 476                 card->quirks &= ~data;
 477 }
 478
 479 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
 480 {
 481         return c->quirks & MMC_QUIRK_LENIENT_FN0;
 482 }
 483
 484 static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
 485 {
 486         return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
 487 }
 488
 489 static inline int mmc_card_disable_cd(const struct mmc_card *c)
 490 {
 491         return c->quirks & MMC_QUIRK_DISABLE_CD;
 492 }
 493
 494 static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
 495 {
 496         return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
 497 }
 498
 499 static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
 500 {
 501         return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
 502 }
 503
 504 static inline int mmc_card_long_read_time(const struct mmc_card *c)
 505 {
 506         return c->quirks & MMC_QUIRK_LONG_READ_TIME;
 507 }
 508
 509 static inline int mmc_card_broken_irq_polling(const struct mmc_card *c)
 510 {
 511         return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING;
 512 }
 513
 514 #define mmc_card_name(c)        ((c)->cid.prod_name)
 515 #define mmc_card_id(c)          (dev_name(&(c)->dev))
 516
 517 #define mmc_dev_to_card(d)      container_of(d, struct mmc_card, dev)
 518
 519 /*
 520  * MMC device driver (e.g., Flash card, I/O card...)
 521  */
 522 struct mmc_driver {
 523         struct device_driver drv;
 524         int (*probe)(struct mmc_card *);
 525         void (*remove)(struct mmc_card *);
 526         void (*shutdown)(struct mmc_card *);
 527 };
 528
 529 extern int mmc_register_driver(struct mmc_driver *);
 530 extern void mmc_unregister_driver(struct mmc_driver *);
 531
 532 extern void mmc_fixup_device(struct mmc_card *card,
 533                              const struct mmc_fixup *table);
 534
 535 #endif /* LINUX_MMC_CARD_H */