diff options
Diffstat (limited to 'include/linux/mmc/card.h')
| -rw-r--r-- | include/linux/mmc/card.h | 731 |
1 files changed, 731 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h new file mode 100644 index 000000000000..8e76f46adde3 --- /dev/null +++ b/include/linux/mmc/card.h @@ -0,0 +1,731 @@ +/* + * linux/include/linux/mmc/card.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Card driver specific definitions. + */ +#ifndef LINUX_MMC_CARD_H +#define LINUX_MMC_CARD_H + +#include <linux/device.h> +#include <linux/mmc/core.h> +#include <linux/mmc/mmc.h> +#include <linux/mod_devicetable.h> +#include <linux/notifier.h> + +#define MMC_CARD_CMDQ_BLK_SIZE 512 + +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 tacc_clks; + unsigned int tacc_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 */ + u8 bkops_en; /* bkops enable */ + 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; + u8 raw_ext_csd_cmdq; /* 15 */ + u8 raw_ext_csd_cache_ctrl; /* 33 */ + bool ffu_capable; /* Firmware upgrade support */ +#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 raw_ext_csd_bus_width; /* 183 */ + u8 strobe_support; /* 184 */ +#define MMC_STROBE_SUPPORT (1 << 0) + u8 raw_ext_csd_hs_timing; /* 185 */ + 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_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 cache_flush_policy; /* 240 */ +#define MMC_BKOPS_URGENCY_MASK 0x3 + 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 */ + u8 cmdq_depth; /* 307 */ + u8 cmdq_support; /* 308 */ + u8 barrier_support; /* 486 */ + u8 barrier_en; + + u8 fw_version; /* 254 */ + 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 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) +}; + +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 + 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 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, + async_intr_sup:1; +}; + +struct sdio_cis { + unsigned short vendor; + unsigned short device; + unsigned short blksize; + unsigned int max_dtr; +}; + +struct mmc_host; +struct mmc_ios; +struct sdio_func; +struct sdio_func_tuple; + +#define SDIO_MAX_FUNCS 7 + +enum mmc_blk_status { + MMC_BLK_SUCCESS = 0, + MMC_BLK_PARTIAL, + MMC_BLK_CMD_ERR, + MMC_BLK_RETRY, + MMC_BLK_ABORT, + MMC_BLK_DATA_ERR, + MMC_BLK_ECC_ERR, + MMC_BLK_NOMEDIUM, + MMC_BLK_NEW_REQUEST, +}; + +enum mmc_packed_stop_reasons { + EXCEEDS_SEGMENTS = 0, + EXCEEDS_SECTORS, + WRONG_DATA_DIR, + FLUSH_OR_DISCARD, + EMPTY_QUEUE, + REL_WRITE, + THRESHOLD, + LARGE_SEC_ALIGN, + RANDOM, + FUA, + MAX_REASONS, +}; + +struct mmc_wr_pack_stats { + u32 *packing_events; + u32 pack_stop_reason[MAX_REASONS]; + spinlock_t lock; + bool enabled; + bool print_in_read; +}; + +/* 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 { + unsigned int 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) +}; + +enum { + MMC_BKOPS_NO_OP, + MMC_BKOPS_NOT_CRITICAL, + MMC_BKOPS_PERF_IMPACT, + MMC_BKOPS_CRITICAL, + MMC_BKOPS_NUM_SEVERITY_LEVELS, +}; + +/** + * struct mmc_bkops_stats - BKOPS statistics + * @lock: spinlock used for synchronizing the debugfs and the runtime accesses + * to this structure. No need to call with spin_lock_irq api + * @manual_start: number of times START_BKOPS was sent to the device + * @hpi: number of times HPI was sent to the device + * @auto_start: number of times AUTO_EN was set to 1 + * @auto_stop: number of times AUTO_EN was set to 0 + * @level: number of times the device reported the need for each level of + * bkops handling + * @enabled: control over whether statistics should be gathered + * + * This structure is used to collect statistics regarding the bkops + * configuration and use-patterns. It is collected during runtime and can be + * shown to the user via a debugfs entry. + */ +struct mmc_bkops_stats { + spinlock_t lock; + unsigned int manual_start; + unsigned int hpi; + unsigned int auto_start; + unsigned int auto_stop; + unsigned int level[MMC_BKOPS_NUM_SEVERITY_LEVELS]; + bool enabled; +}; + +/** + * struct mmc_bkops_info - BKOPS data + * @stats: statistic information regarding bkops + * @needs_check: indication whether need to check with the device + * whether it requires handling of BKOPS (CMD8) + * @needs_manual: indication whether have to send START_BKOPS + * to the device + */ +struct mmc_bkops_info { + struct mmc_bkops_stats stats; + bool needs_check; + bool needs_bkops; + u32 retry_counter; +}; + +enum mmc_pon_type { + MMC_LONG_PON = 1, + MMC_SHRT_PON, +}; + +#define MMC_QUIRK_CMDQ_DELAY_BEFORE_DCMD 6 /* microseconds */ + +/* + * 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 long clk_scaling_lowest; /* lowest scaleable + * frequency */ + unsigned long clk_scaling_highest; /* highest scaleable + * frequency */ + 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 */ +#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ +#define MMC_STATE_READONLY (1<<1) /* card is read-only */ +#define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */ +#define MMC_CARD_SDXC (1<<3) /* card is SDXC */ +#define MMC_CARD_REMOVED (1<<4) /* card has been removed */ +#define MMC_STATE_DOING_BKOPS (1<<5) /* card is doing manual BKOPS */ +#define MMC_STATE_SUSPENDED (1<<6) /* card is suspended */ +#define MMC_STATE_CMDQ (1<<12) /* card is in cmd queue mode */ +#define MMC_STATE_AUTO_BKOPS (1<<13) /* card is doing auto BKOPS */ + unsigned int quirks; /* card 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_BROKEN_CLK_GATING (1<<3) /* clock gating the sdio bus will make card fail */ +#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 */ + /* byte mode */ +#define MMC_QUIRK_INAND_DATA_TIMEOUT (1<<13) /* For incorrect data timeout */ +#define MMC_QUIRK_BROKEN_HPI (1 << 14) /* For devices which gets */ + /* broken due to HPI feature */ +#define MMC_QUIRK_CACHE_DISABLE (1 << 15) /* prevent cache enable */ +#define MMC_QUIRK_QCA6574_SETTINGS (1 << 16) /* QCA6574 card settings*/ +#define MMC_QUIRK_QCA9377_SETTINGS (1 << 17) /* QCA9377 card settings*/ + + +/* Make sure CMDQ is empty before queuing DCMD */ +#define MMC_QUIRK_CMDQ_EMPTY_BEFORE_DCMD (1 << 17) + + 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 */ + 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 */ + 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 */ + + unsigned int sdio_funcs; /* number of SDIO functions */ + 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 */ + 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; + unsigned int part_curr; + + struct mmc_wr_pack_stats wr_pack_stats; /* packed commands stats*/ + struct notifier_block reboot_notify; + enum mmc_pon_type pon_type; + bool cmdq_init; + struct mmc_bkops_info bkops; + bool err_in_sdr104; + bool sdr104_blocked; +}; + +/* + * This function fill contents in mmc_part. + */ +static inline void mmc_part_add(struct mmc_card *card, unsigned int size, + unsigned int part_cfg, char *name, int idx, bool ro, + int area_type) +{ + card->part[card->nr_parts].size = size; + card->part[card->nr_parts].part_cfg = part_cfg; + sprintf(card->part[card->nr_parts].name, name, idx); + card->part[card->nr_parts].force_ro = ro; + card->part[card->nr_parts].area_type = area_type; + card->nr_parts++; +} + +static inline bool mmc_large_sector(struct mmc_card *card) +{ + return card->ext_csd.data_sector_size == 4096; +} + +/* + * The world is not perfect and supplies us with broken mmc/sdio devices. + * For at least some of these bugs we need a work-around. + */ + +struct mmc_fixup { + /* CID-specific fields. */ + const char *name; + + /* Valid revision range */ + u64 rev_start, rev_end; + + unsigned int manfid; + unsigned short oemid; + + /* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */ + u16 cis_vendor, cis_device; + + /* MMC-specific field, You can use EXT_CSD_REV_ANY here of course */ + unsigned int ext_csd_rev; + + void (*vendor_fixup)(struct mmc_card *card, int data); + int data; +}; + +#define CID_MANFID_SANDISK 0x2 +#define CID_MANFID_TOSHIBA 0x11 +#define CID_MANFID_MICRON 0x13 +#define CID_MANFID_SAMSUNG 0x15 +#define CID_MANFID_KINGSTON 0x70 +#define CID_MANFID_HYNIX 0x90 + +#define CID_MANFID_ANY (-1u) +#define CID_OEMID_ANY ((unsigned short) -1) +#define CID_NAME_ANY (NULL) +#define EXT_CSD_REV_ANY (-1u) + +#define END_FIXUP { NULL } + +/* extended CSD mapping to mmc version */ +enum mmc_version_ext_csd_rev { + MMC_V4_0, + MMC_V4_1, + MMC_V4_2, + MMC_V4_41 = 5, + MMC_V4_5, + MMC_V4_51 = MMC_V4_5, + MMC_V5_0, + MMC_V5_01 = MMC_V5_0, + MMC_V5_1 +}; + +#define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \ + _cis_vendor, _cis_device, \ + _fixup, _data, _ext_csd_rev) \ + { \ + .name = (_name), \ + .manfid = (_manfid), \ + .oemid = (_oemid), \ + .rev_start = (_rev_start), \ + .rev_end = (_rev_end), \ + .cis_vendor = (_cis_vendor), \ + .cis_device = (_cis_device), \ + .vendor_fixup = (_fixup), \ + .data = (_data), \ + .ext_csd_rev = (_ext_csd_rev), \ + } + +#define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \ + _fixup, _data, _ext_csd_rev) \ + _FIXUP_EXT(_name, _manfid, \ + _oemid, _rev_start, _rev_end, \ + SDIO_ANY_ID, SDIO_ANY_ID, \ + _fixup, _data, _ext_csd_rev) \ + +#define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \ + MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data, \ + EXT_CSD_REV_ANY) + +#define MMC_FIXUP_EXT_CSD_REV(_name, _manfid, _oemid, _fixup, _data, \ + _ext_csd_rev) \ + MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data, \ + _ext_csd_rev) + +#define SDIO_FIXUP(_vendor, _device, _fixup, _data) \ + _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \ + CID_OEMID_ANY, 0, -1ull, \ + _vendor, _device, \ + _fixup, _data, EXT_CSD_REV_ANY) \ + +#define cid_rev(hwrev, fwrev, year, month) \ + (((u64) hwrev) << 40 | \ + ((u64) fwrev) << 32 | \ + ((u64) year) << 16 | \ + ((u64) month)) + +#define cid_rev_card(card) \ + cid_rev(card->cid.hwrev, \ + card->cid.fwrev, \ + card->cid.year, \ + card->cid.month) + +/* + * Unconditionally quirk add/remove. + */ + +static inline void __maybe_unused add_quirk(struct mmc_card *card, int data) +{ + card->quirks |= data; +} + +static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) +{ + card->quirks &= ~data; +} + +#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_present(c) ((c)->state & MMC_STATE_PRESENT) +#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) +#define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) +#define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC) +#define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED)) +#define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS) +#define mmc_card_suspended(c) ((c)->state & MMC_STATE_SUSPENDED) +#define mmc_card_cmdq(c) ((c)->state & MMC_STATE_CMDQ) +#define mmc_card_doing_auto_bkops(c) ((c)->state & MMC_STATE_AUTO_BKOPS) + +#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) +#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) +#define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) +#define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC) +#define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED) +#define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS) +#define mmc_card_clr_doing_bkops(c) ((c)->state &= ~MMC_STATE_DOING_BKOPS) +#define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED) +#define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED) +#define mmc_card_set_cmdq(c) ((c)->state |= MMC_STATE_CMDQ) +#define mmc_card_clr_cmdq(c) ((c)->state &= ~MMC_STATE_CMDQ) +#define mmc_card_set_auto_bkops(c) ((c)->state |= MMC_STATE_AUTO_BKOPS) +#define mmc_card_clr_auto_bkops(c) ((c)->state &= ~MMC_STATE_AUTO_BKOPS) + +#define mmc_card_strobe(c) (((c)->ext_csd).strobe_support & MMC_STROBE_SUPPORT) + +/* + * Quirk add/remove for MMC products. + */ + +static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data) +{ + if (mmc_card_mmc(card)) + card->quirks |= data; +} + +static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card, + int data) +{ + if (mmc_card_mmc(card)) + card->quirks &= ~data; +} + +/* + * Quirk add/remove for SD products. + */ + +static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data) +{ + if (mmc_card_sd(card)) + card->quirks |= data; +} + +static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card, + int data) +{ + if (mmc_card_sd(card)) + card->quirks &= ~data; +} + +static inline int mmc_card_lenient_fn0(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_LENIENT_FN0; +} + +static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; +} + +static inline int mmc_card_disable_cd(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_DISABLE_CD; +} + +static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF; +} + +static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512; +} + +static inline int mmc_card_long_read_time(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_LONG_READ_TIME; +} + +static inline int mmc_card_broken_irq_polling(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING; +} + +static inline bool mmc_card_support_auto_bkops(const struct mmc_card *c) +{ + return c->ext_csd.rev >= MMC_V5_1; +} + +static inline bool mmc_card_configured_manual_bkops(const struct mmc_card *c) +{ + return c->ext_csd.bkops_en & EXT_CSD_BKOPS_MANUAL_EN; +} + +static inline bool mmc_card_configured_auto_bkops(const struct mmc_card *c) +{ + return c->ext_csd.bkops_en & EXT_CSD_BKOPS_AUTO_EN; +} + +static inline bool mmc_enable_qca6574_settings(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_QCA6574_SETTINGS; +} + +static inline bool mmc_enable_qca9377_settings(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_QCA9377_SETTINGS; +} + +#define mmc_card_name(c) ((c)->cid.prod_name) +#define mmc_card_id(c) (dev_name(&(c)->dev)) + +#define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev) +#define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev) +#define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d) + +/* + * MMC device driver (e.g., Flash card, I/O card...) + */ +struct mmc_driver { + struct device_driver drv; + int (*probe)(struct mmc_card *); + void (*remove)(struct mmc_card *); + void (*shutdown)(struct mmc_card *); +}; + +extern int mmc_register_driver(struct mmc_driver *); +extern void mmc_unregister_driver(struct mmc_driver *); + +extern void mmc_fixup_device(struct mmc_card *card, + const struct mmc_fixup *table); +extern struct mmc_wr_pack_stats *mmc_blk_get_packed_statistics( + struct mmc_card *card); +extern void mmc_blk_init_packed_statistics(struct mmc_card *card); +extern int mmc_send_pon(struct mmc_card *card); +extern void mmc_blk_cmdq_req_done(struct mmc_request *mrq); +#endif /* LINUX_MMC_CARD_H */ |