| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * linux/include/linux/mmc/card.h |
| * |
| * Card driver specific definitions. |
| */ |
| #ifndef LINUX_MMC_CARD_H |
| #define LINUX_MMC_CARD_H |
| |
| #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 read_blkbits; |
| unsigned int write_blkbits; |
| unsigned int 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; |
| u8 max_packed_writes; |
| u8 max_packed_reads; |
| u8 packed_event_en; |
| 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_SET_CURRENT_NO_CHANGE (-1) |
| |
| #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) |
| }; |
| |
| 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 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 */ |
| |
| 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 */ |
| |
| 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 */ |
| |
| 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 */ |
