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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#include <linux/device.h>#include <linux/mod_devicetable.h>
struct mmc_cid { unsigned int manfid; char prod_name[8]; unsigned char prv; unsigned int serial; unsigned short oemid; unsigned short year; unsigned char hwrev; unsigned char fwrev; unsigned char month;};
struct mmc_csd { unsigned char structure; unsigned char mmca_vsn; unsigned short cmdclass; unsigned short taac_clks; unsigned int taac_ns; unsigned int c_size; unsigned int r2w_factor; unsigned int max_dtr; unsigned int erase_size; /* In sectors */ unsigned int wp_grp_size; unsigned int read_blkbits; unsigned int write_blkbits; sector_t capacity; unsigned int read_partial:1, read_misalign:1, write_partial:1, write_misalign:1, dsr_imp:1;};
struct mmc_ext_csd { u8 rev; u8 erase_group_def; u8 sec_feature_support; u8 rel_sectors; u8 rel_param; bool enhanced_rpmb_supported; u8 part_config; u8 cache_ctrl; u8 rst_n_function; unsigned int part_time; /* Units: ms */ unsigned int sa_timeout; /* Units: 100ns */ unsigned int generic_cmd6_time; /* Units: 10ms */ unsigned int power_off_longtime; /* Units: ms */ u8 power_off_notification; /* state */ unsigned int hs_max_dtr; unsigned int hs200_max_dtr;#define MMC_HIGH_26_MAX_DTR 26000000#define MMC_HIGH_52_MAX_DTR 52000000#define MMC_HIGH_DDR_MAX_DTR 52000000#define MMC_HS200_MAX_DTR 200000000 unsigned int sectors; unsigned int hc_erase_size; /* In sectors */ unsigned int hc_erase_timeout; /* In milliseconds */ unsigned int sec_trim_mult; /* Secure trim multiplier */ unsigned int sec_erase_mult; /* Secure erase multiplier */ unsigned int trim_timeout; /* In milliseconds */ bool partition_setting_completed; /* enable bit */ unsigned long long enhanced_area_offset; /* Units: Byte */ unsigned int enhanced_area_size; /* Units: KB */ unsigned int cache_size; /* Units: KB */ bool hpi_en; /* HPI enablebit */ bool hpi; /* HPI support bit */ unsigned int hpi_cmd; /* cmd used as HPI */ bool bkops; /* background support bit */ bool man_bkops_en; /* manual bkops enable bit */ bool auto_bkops_en; /* auto bkops enable bit */ unsigned int data_sector_size; /* 512 bytes or 4KB */ unsigned int data_tag_unit_size; /* DATA TAG UNIT size */ unsigned int boot_ro_lock; /* ro lock support */ bool boot_ro_lockable; bool ffu_capable; /* Firmware upgrade support */ bool cmdq_en; /* Command Queue enabled */ bool cmdq_support; /* Command Queue supported */ unsigned int cmdq_depth; /* Command Queue depth */#define MMC_FIRMWARE_LEN 8 u8 fwrev[MMC_FIRMWARE_LEN]; /* FW version */ u8 raw_exception_status; /* 54 */ u8 raw_partition_support; /* 160 */ u8 raw_rpmb_size_mult; /* 168 */ u8 raw_erased_mem_count; /* 181 */ u8 strobe_support; /* 184 */ u8 raw_ext_csd_structure; /* 194 */ u8 raw_card_type; /* 196 */ u8 raw_driver_strength; /* 197 */ u8 out_of_int_time; /* 198 */ u8 raw_pwr_cl_52_195; /* 200 */ u8 raw_pwr_cl_26_195; /* 201 */ u8 raw_pwr_cl_52_360; /* 202 */ u8 raw_pwr_cl_26_360; /* 203 */ u8 raw_s_a_timeout; /* 217 */ u8 raw_hc_erase_gap_size; /* 221 */ u8 raw_erase_timeout_mult; /* 223 */ u8 raw_hc_erase_grp_size; /* 224 */ u8 raw_boot_mult; /* 226 */ u8 raw_sec_trim_mult; /* 229 */ u8 raw_sec_erase_mult; /* 230 */ u8 raw_sec_feature_support;/* 231 */ u8 raw_trim_mult; /* 232 */ u8 raw_pwr_cl_200_195; /* 236 */ u8 raw_pwr_cl_200_360; /* 237 */ u8 raw_pwr_cl_ddr_52_195; /* 238 */ u8 raw_pwr_cl_ddr_52_360; /* 239 */ u8 raw_pwr_cl_ddr_200_360; /* 253 */ u8 raw_bkops_status; /* 246 */ u8 raw_sectors[4]; /* 212 - 4 bytes */ u8 pre_eol_info; /* 267 */ u8 device_life_time_est_typ_a; /* 268 */ u8 device_life_time_est_typ_b; /* 269 */
unsigned int feature_support;#define MMC_DISCARD_FEATURE BIT(0) /* CMD38 feature */};
struct sd_scr { unsigned char sda_vsn; unsigned char sda_spec3; unsigned char sda_spec4; unsigned char sda_specx; unsigned char bus_widths;#define SD_SCR_BUS_WIDTH_1 (1<<0)#define SD_SCR_BUS_WIDTH_4 (1<<2) unsigned char cmds;#define SD_SCR_CMD20_SUPPORT (1<<0)#define SD_SCR_CMD23_SUPPORT (1<<1)#define SD_SCR_CMD48_SUPPORT (1<<2)#define SD_SCR_CMD58_SUPPORT (1<<3)};
struct sd_ssr { unsigned int au; /* In sectors */ unsigned int erase_timeout; /* In milliseconds */ unsigned int erase_offset; /* In milliseconds */};
struct sd_switch_caps { unsigned int hs_max_dtr; unsigned int uhs_max_dtr;#define HIGH_SPEED_MAX_DTR 50000000#define UHS_SDR104_MAX_DTR 208000000#define UHS_SDR50_MAX_DTR 100000000#define UHS_DDR50_MAX_DTR 50000000#define UHS_SDR25_MAX_DTR UHS_DDR50_MAX_DTR#define UHS_SDR12_MAX_DTR 25000000#define DEFAULT_SPEED_MAX_DTR UHS_SDR12_MAX_DTR unsigned int sd3_bus_mode;#define UHS_SDR12_BUS_SPEED 0#define HIGH_SPEED_BUS_SPEED 1#define UHS_SDR25_BUS_SPEED 1#define UHS_SDR50_BUS_SPEED 2#define UHS_SDR104_BUS_SPEED 3#define UHS_DDR50_BUS_SPEED 4
#define SD_MODE_HIGH_SPEED (1 << HIGH_SPEED_BUS_SPEED)#define SD_MODE_UHS_SDR12 (1 << UHS_SDR12_BUS_SPEED)#define SD_MODE_UHS_SDR25 (1 << UHS_SDR25_BUS_SPEED)#define SD_MODE_UHS_SDR50 (1 << UHS_SDR50_BUS_SPEED)#define SD_MODE_UHS_SDR104 (1 << UHS_SDR104_BUS_SPEED)#define SD_MODE_UHS_DDR50 (1 << UHS_DDR50_BUS_SPEED) unsigned int sd3_drv_type;#define SD_DRIVER_TYPE_B 0x01#define SD_DRIVER_TYPE_A 0x02#define SD_DRIVER_TYPE_C 0x04#define SD_DRIVER_TYPE_D 0x08 unsigned int sd3_curr_limit;#define SD_SET_CURRENT_LIMIT_200 0#define SD_SET_CURRENT_LIMIT_400 1#define SD_SET_CURRENT_LIMIT_600 2#define SD_SET_CURRENT_LIMIT_800 3
#define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200)#define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400)#define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600)#define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800)
#define SD4_SET_POWER_LIMIT_0_72W 0#define SD4_SET_POWER_LIMIT_1_44W 1#define SD4_SET_POWER_LIMIT_2_16W 2#define SD4_SET_POWER_LIMIT_2_88W 3#define SD4_SET_POWER_LIMIT_1_80W 4};
struct sd_ext_reg { u8 fno; u8 page; u16 offset; u8 rev; u8 feature_enabled; u8 feature_support;/* Power Management Function. */#define SD_EXT_POWER_OFF_NOTIFY (1<<0)#define SD_EXT_POWER_SUSTENANCE (1<<1)#define SD_EXT_POWER_DOWN_MODE (1<<2)/* Performance Enhancement Function. */#define SD_EXT_PERF_FX_EVENT (1<<0)#define SD_EXT_PERF_CARD_MAINT (1<<1)#define SD_EXT_PERF_HOST_MAINT (1<<2)#define SD_EXT_PERF_CACHE (1<<3)#define SD_EXT_PERF_CMD_QUEUE (1<<4)};
struct sd_uhs2_config { u32 node_id;
u32 n_fcu; u32 maxblk_len; u8 n_lanes; u8 dadr_len; u8 app_type; u8 phy_minor_rev; u8 phy_major_rev; u8 can_hibernate; u8 n_lss_sync; u8 n_lss_dir; u8 link_minor_rev; u8 link_major_rev; u8 dev_type; u8 n_data_gap;
u32 n_fcu_set; u32 maxblk_len_set; u8 n_lanes_set; u8 speed_range_set; u8 n_lss_sync_set; u8 n_lss_dir_set; u8 n_data_gap_set; u8 max_retry_set;};
struct sdio_cccr { unsigned int sdio_vsn; unsigned int sd_vsn; unsigned int multi_block:1, low_speed:1, wide_bus:1, high_power:1, high_speed:1, disable_cd:1, enable_async_irq:1;};
struct sdio_cis { unsigned short vendor; unsigned short device; unsigned short blksize; unsigned int max_dtr;};
struct mmc_host;struct sdio_func;struct sdio_func_tuple;struct mmc_queue_req;
#define SDIO_MAX_FUNCS 7
/* The number of MMC physical partitions. These consist of: * boot partitions (2), general purpose partitions (4) and * RPMB partition (1) in MMC v4.4. */#define MMC_NUM_BOOT_PARTITION 2#define MMC_NUM_GP_PARTITION 4#define MMC_NUM_PHY_PARTITION 7#define MAX_MMC_PART_NAME_LEN 20
/* * MMC Physical partitions */struct mmc_part { u64 size; /* partition size (in bytes) */ unsigned int part_cfg; /* partition type */ char name[MAX_MMC_PART_NAME_LEN]; bool force_ro; /* to make boot parts RO by default */ unsigned int area_type;#define MMC_BLK_DATA_AREA_MAIN (1<<0)#define MMC_BLK_DATA_AREA_BOOT (1<<1)#define MMC_BLK_DATA_AREA_GP (1<<2)#define MMC_BLK_DATA_AREA_RPMB (1<<3)};
/* * MMC device */struct mmc_card { struct mmc_host *host; /* the host this device belongs to */ struct device dev; /* the device */ u32 ocr; /* the current OCR setting */ unsigned int rca; /* relative card address of device */ unsigned int type; /* card type */#define MMC_TYPE_MMC 0 /* MMC card */#define MMC_TYPE_SD 1 /* SD card */#define MMC_TYPE_SDIO 2 /* SDIO card */#define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */ unsigned int state; /* (our) card state */ unsigned int quirks; /* card quirks */ unsigned int quirk_max_rate; /* max rate set by quirks */#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ /* for byte mode */#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */ /* (missing CIA registers) */#define MMC_QUIRK_NONSTD_FUNC_IF (1<<4) /* SDIO card has nonstd function interfaces */#define MMC_QUIRK_DISABLE_CD (1<<5) /* disconnect CD/DAT[3] resistor */#define MMC_QUIRK_INAND_CMD38 (1<<6) /* iNAND devices have broken CMD38 */#define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */#define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8) /* Avoid sending 512 bytes in */ /* byte mode */#define MMC_QUIRK_LONG_READ_TIME (1<<9) /* Data read time > CSD says */#define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */#define MMC_QUIRK_BROKEN_IRQ_POLLING (1<<11) /* Polling SDIO_CCCR_INTx could create a fake interrupt */#define MMC_QUIRK_TRIM_BROKEN (1<<12) /* Skip trim */#define MMC_QUIRK_BROKEN_HPI (1<<13) /* Disable broken HPI support */#define MMC_QUIRK_BROKEN_SD_DISCARD (1<<14) /* Disable broken SD discard support */#define MMC_QUIRK_BROKEN_SD_CACHE (1<<15) /* Disable broken SD cache support */#define MMC_QUIRK_BROKEN_CACHE_FLUSH (1<<16) /* Don't flush cache until the write has occurred */#define MMC_QUIRK_BROKEN_SD_POWEROFF_NOTIFY (1<<17) /* Disable broken SD poweroff notify support */#define MMC_QUIRK_NO_UHS_DDR50_TUNING (1<<18) /* Disable DDR50 tuning */#define MMC_QUIRK_BROKEN_MDT (1<<19) /* Wrong manufacturing year */#define MMC_QUIRK_FIXED_SECURE_ERASE_TRIM_TIME (1<<20) /* Secure erase/trim time is fixed regardless of size */
bool written_flag; /* Indicates eMMC has been written since power on */ bool reenable_cmdq; /* Re-enable Command Queue */
unsigned int erase_size; /* erase size in sectors */ unsigned int erase_shift; /* if erase unit is power 2 */ unsigned int pref_erase; /* in sectors */ unsigned int eg_boundary; /* don't cross erase-group boundaries */ unsigned int erase_arg; /* erase / trim / discard */ u8 erased_byte; /* value of erased bytes */ unsigned int wp_grp_size; /* write group size in sectors */
u32 raw_cid[4]; /* raw card CID */ u32 raw_csd[4]; /* raw card CSD */ u32 raw_scr[2]; /* raw card SCR */ u32 raw_ssr[16]; /* raw card SSR */ struct mmc_cid cid; /* card identification */ struct mmc_csd csd; /* card specific */ struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */ struct sd_scr scr; /* extra SD information */ struct sd_ssr ssr; /* yet more SD information */ struct sd_switch_caps sw_caps; /* switch (CMD6) caps */ struct sd_ext_reg ext_power; /* SD extension reg for PM */ struct sd_ext_reg ext_perf; /* SD extension reg for PERF */
struct sd_uhs2_config uhs2_config; /* SD UHS-II config */
unsigned int sdio_funcs; /* number of SDIO functions */ atomic_t sdio_funcs_probed; /* number of probed SDIO funcs */ struct sdio_cccr cccr; /* common card info */ struct sdio_cis cis; /* common tuple info */ struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */ struct sdio_func *sdio_single_irq; /* SDIO function when only one IRQ active */ u8 major_rev; /* major revision number */ u8 minor_rev; /* minor revision number */ unsigned num_info; /* number of info strings */ const char **info; /* info strings */ struct sdio_func_tuple *tuples; /* unknown common tuples */
unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */ unsigned int mmc_avail_type; /* supported device type by both host and card */ unsigned int drive_strength; /* for UHS-I, HS200 or HS400 */
struct dentry *debugfs_root; struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */ unsigned int nr_parts;
struct workqueue_struct *complete_wq; /* Private workqueue */};
static inline bool mmc_large_sector(struct mmc_card *card){ return card->ext_csd.data_sector_size == 4096;}
static inline int mmc_card_enable_async_irq(struct mmc_card *card){ return card->cccr.enable_async_irq;}
bool mmc_card_is_blockaddr(struct mmc_card *card);
#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)#define mmc_card_sd_combo(c) ((c)->type == MMC_TYPE_SD_COMBO)
#endif /* LINUX_MMC_CARD_H */