361 lines
12 KiB
C
361 lines
12 KiB
C
|
/* 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 */
|
||
|
|
|
||
|
|
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 */
|