diff options
Diffstat (limited to 'include/linux/mmc/host.h')
| -rw-r--r-- | include/linux/mmc/host.h | 59 |
1 files changed, 46 insertions, 13 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index cb61ea4d694..7960424d0bc 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -17,6 +17,7 @@ #include <linux/fault-inject.h> #include <linux/mmc/core.h> +#include <linux/mmc/card.h> #include <linux/mmc/pm.h> struct mmc_ios { @@ -58,13 +59,9 @@ struct mmc_ios { #define MMC_TIMING_UHS_SDR50 5 #define MMC_TIMING_UHS_SDR104 6 #define MMC_TIMING_UHS_DDR50 7 -#define MMC_TIMING_MMC_HS200 8 - -#define MMC_SDR_MODE 0 -#define MMC_1_2V_DDR_MODE 1 -#define MMC_1_8V_DDR_MODE 2 -#define MMC_1_2V_SDR_MODE 3 -#define MMC_1_8V_SDR_MODE 4 +#define MMC_TIMING_MMC_DDR52 8 +#define MMC_TIMING_MMC_HS200 9 +#define MMC_TIMING_MMC_HS400 10 unsigned char signal_voltage; /* signalling voltage (1.8V or 3.3V) */ @@ -136,6 +133,9 @@ struct mmc_host_ops { /* The tuning command opcode value is different for SD and eMMC cards */ int (*execute_tuning)(struct mmc_host *host, u32 opcode); + + /* Prepare HS400 target operating frequency depending host driver */ + int (*prepare_hs400_tuning)(struct mmc_host *host, struct mmc_ios *ios); int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv); void (*hw_reset)(struct mmc_host *host); void (*card_event)(struct mmc_host *host); @@ -278,6 +278,11 @@ struct mmc_host { #define MMC_CAP2_PACKED_CMD (MMC_CAP2_PACKED_RD | \ MMC_CAP2_PACKED_WR) #define MMC_CAP2_NO_PRESCAN_POWERUP (1 << 14) /* Don't power up before scan */ +#define MMC_CAP2_HS400_1_8V (1 << 15) /* Can support HS400 1.8V */ +#define MMC_CAP2_HS400_1_2V (1 << 16) /* Can support HS400 1.2V */ +#define MMC_CAP2_HS400 (MMC_CAP2_HS400_1_8V | \ + MMC_CAP2_HS400_1_2V) +#define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17) mmc_pm_flag_t pm_caps; /* supported pm features */ @@ -318,6 +323,8 @@ struct mmc_host { int rescan_disable; /* disable card detection */ int rescan_entered; /* used with nonremovable devices */ + bool trigger_card_event; /* card_event necessary */ + struct mmc_card *card; /* device attached to this host */ wait_queue_head_t wq; @@ -391,12 +398,13 @@ static inline void mmc_signal_sdio_irq(struct mmc_host *host) wake_up_process(host->sdio_irq_thread); } +void sdio_run_irqs(struct mmc_host *host); + #ifdef CONFIG_REGULATOR int mmc_regulator_get_ocrmask(struct regulator *supply); int mmc_regulator_set_ocr(struct mmc_host *mmc, struct regulator *supply, unsigned short vdd_bit); -int mmc_regulator_get_supply(struct mmc_host *mmc); #else static inline int mmc_regulator_get_ocrmask(struct regulator *supply) { @@ -409,13 +417,10 @@ static inline int mmc_regulator_set_ocr(struct mmc_host *mmc, { return 0; } - -static inline int mmc_regulator_get_supply(struct mmc_host *mmc) -{ - return 0; -} #endif +int mmc_regulator_get_supply(struct mmc_host *mmc); + int mmc_pm_notify(struct notifier_block *notify_block, unsigned long, void *); static inline int mmc_card_is_removable(struct mmc_host *host) @@ -475,4 +480,32 @@ static inline unsigned int mmc_host_clk_rate(struct mmc_host *host) return host->ios.clock; } #endif + +static inline int mmc_card_hs(struct mmc_card *card) +{ + return card->host->ios.timing == MMC_TIMING_SD_HS || + card->host->ios.timing == MMC_TIMING_MMC_HS; +} + +static inline int mmc_card_uhs(struct mmc_card *card) +{ + return card->host->ios.timing >= MMC_TIMING_UHS_SDR12 && + card->host->ios.timing <= MMC_TIMING_UHS_DDR50; +} + +static inline bool mmc_card_hs200(struct mmc_card *card) +{ + return card->host->ios.timing == MMC_TIMING_MMC_HS200; +} + +static inline bool mmc_card_ddr52(struct mmc_card *card) +{ + return card->host->ios.timing == MMC_TIMING_MMC_DDR52; +} + +static inline bool mmc_card_hs400(struct mmc_card *card) +{ + return card->host->ios.timing == MMC_TIMING_MMC_HS400; +} + #endif /* LINUX_MMC_HOST_H */ |