diff options
Diffstat (limited to 'drivers/mmc/core/core.h')
| -rw-r--r-- | drivers/mmc/core/core.h | 77 |
1 files changed, 60 insertions, 17 deletions
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index 575ac0257af2..a028b48be164 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -29,6 +29,9 @@ struct mmc_bus_ops { int (*shutdown)(struct mmc_host *); int (*hw_reset)(struct mmc_host *); int (*sw_reset)(struct mmc_host *); + bool (*cache_enabled)(struct mmc_host *); + int (*flush_cache)(struct mmc_host *); + int (*handle_undervoltage)(struct mmc_host *host); }; void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops); @@ -57,6 +60,10 @@ void mmc_power_off(struct mmc_host *host); void mmc_power_cycle(struct mmc_host *host, u32 ocr); void mmc_set_initial_state(struct mmc_host *host); u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max); +int mmc_handle_undervoltage(struct mmc_host *host); +void mmc_regulator_register_undervoltage_notifier(struct mmc_host *host); +void mmc_regulator_unregister_undervoltage_notifier(struct mmc_host *host); +void mmc_undervoltage_workfn(struct work_struct *work); static inline void mmc_delay(unsigned int ms) { @@ -68,6 +75,7 @@ static inline void mmc_delay(unsigned int ms) void mmc_rescan(struct work_struct *work); void mmc_start_host(struct mmc_host *host); +void __mmc_stop_host(struct mmc_host *host); void mmc_stop_host(struct mmc_host *host); void _mmc_detect_change(struct mmc_host *host, unsigned long delay, @@ -78,43 +86,50 @@ int mmc_detect_card_removed(struct mmc_host *host); int mmc_attach_mmc(struct mmc_host *host); int mmc_attach_sd(struct mmc_host *host); int mmc_attach_sdio(struct mmc_host *host); +int mmc_attach_sd_uhs2(struct mmc_host *host); /* Module parameters */ extern bool use_spi_crc; /* Debugfs information for hosts and cards */ +#ifdef CONFIG_DEBUG_FS void mmc_add_host_debugfs(struct mmc_host *host); void mmc_remove_host_debugfs(struct mmc_host *host); void mmc_add_card_debugfs(struct mmc_card *card); void mmc_remove_card_debugfs(struct mmc_card *card); +#else +static inline void mmc_add_host_debugfs(struct mmc_host *host) +{ +} +static inline void mmc_remove_host_debugfs(struct mmc_host *host) +{ +} +static inline void mmc_add_card_debugfs(struct mmc_card *card) +{ +} +static inline void mmc_remove_card_debugfs(struct mmc_card *card) +{ +} +#endif int mmc_execute_tuning(struct mmc_card *card); int mmc_hs200_to_hs400(struct mmc_card *card); int mmc_hs400_to_hs200(struct mmc_card *card); -#ifdef CONFIG_PM_SLEEP -void mmc_register_pm_notifier(struct mmc_host *host); -void mmc_unregister_pm_notifier(struct mmc_host *host); -#else -static inline void mmc_register_pm_notifier(struct mmc_host *host) { } -static inline void mmc_unregister_pm_notifier(struct mmc_host *host) { } -#endif - void mmc_wait_for_req_done(struct mmc_host *host, struct mmc_request *mrq); bool mmc_is_req_done(struct mmc_host *host, struct mmc_request *mrq); int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq); -int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr, - unsigned int arg); -int mmc_can_erase(struct mmc_card *card); -int mmc_can_trim(struct mmc_card *card); -int mmc_can_discard(struct mmc_card *card); -int mmc_can_sanitize(struct mmc_card *card); -int mmc_can_secure_erase_trim(struct mmc_card *card); -int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from, - unsigned int nr); +int mmc_erase(struct mmc_card *card, sector_t from, unsigned int nr, unsigned int arg); +bool mmc_card_can_erase(struct mmc_card *card); +bool mmc_card_can_trim(struct mmc_card *card); +bool mmc_card_can_discard(struct mmc_card *card); +bool mmc_card_can_sanitize(struct mmc_card *card); +bool mmc_card_can_secure_erase_trim(struct mmc_card *card); +bool mmc_card_can_cmd23(struct mmc_card *card); +int mmc_erase_group_aligned(struct mmc_card *card, sector_t from, unsigned int nr); unsigned int mmc_calc_max_discard(struct mmc_card *card); int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen); @@ -125,6 +140,8 @@ void mmc_release_host(struct mmc_host *host); void mmc_get_card(struct mmc_card *card, struct mmc_ctx *ctx); void mmc_put_card(struct mmc_card *card, struct mmc_ctx *ctx); +int mmc_card_alternative_gpt_sector(struct mmc_card *card, sector_t *sector); + /** * mmc_claim_host - exclusively claim a host * @host: mmc host to claim @@ -171,4 +188,30 @@ static inline void mmc_post_req(struct mmc_host *host, struct mmc_request *mrq, host->ops->post_req(host, mrq, err); } +static inline bool mmc_cache_enabled(struct mmc_host *host) +{ + if (host->bus_ops->cache_enabled) + return host->bus_ops->cache_enabled(host); + + return false; +} + +static inline int mmc_flush_cache(struct mmc_host *host) +{ + if (host->bus_ops->flush_cache) + return host->bus_ops->flush_cache(host); + + return 0; +} + +static inline unsigned int mmc_sector_div(sector_t dividend, u32 divisor) +{ + return div_u64(dividend, divisor); +} + +static inline unsigned int mmc_sector_mod(sector_t dividend, u32 divisor) +{ + return sector_div(dividend, divisor); +} + #endif |