diff options
Diffstat (limited to 'drivers/mmc/host/dw_mmc.h')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 81b29941c5b9..6bf24ab917e6 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -53,6 +53,7 @@ #define SDMMC_IDINTEN 0x090 #define SDMMC_DSCADDR 0x094 #define SDMMC_BUFADDR 0x098 +#define SDMMC_CDTHRCTL 0x100 #define SDMMC_DATA(x) (x) /* @@ -128,6 +129,10 @@ #define SDMMC_CMD_INDX(n) ((n) & 0x1F) /* Status register defines */ #define SDMMC_GET_FCNT(x) (((x)>>17) & 0x1FFF) +/* FIFOTH register defines */ +#define SDMMC_SET_FIFOTH(m, r, t) (((m) & 0x7) << 28 | \ + ((r) & 0xFFF) << 16 | \ + ((t) & 0xFFF)) /* Internal DMAC interrupt defines */ #define SDMMC_IDMAC_INT_AI BIT(9) #define SDMMC_IDMAC_INT_NI BIT(8) @@ -142,6 +147,8 @@ #define SDMMC_IDMAC_SWRESET BIT(0) /* Version ID register define */ #define SDMMC_GET_VERID(x) ((x) & 0xFFFF) +/* Card read threshold */ +#define SDMMC_SET_RD_THLD(v, x) (((v) & 0x1FFF) << 16 | (x)) /* Register access macros */ #define mci_readl(dev, reg) \ @@ -184,6 +191,52 @@ extern int dw_mci_resume(struct dw_mci *host); #endif /** + * struct dw_mci_slot - MMC slot state + * @mmc: The mmc_host representing this slot. + * @host: The MMC controller this slot is using. + * @quirks: Slot-level quirks (DW_MCI_SLOT_QUIRK_XXX) + * @wp_gpio: If gpio_is_valid() we'll use this to read write protect. + * @ctype: Card type for this slot. + * @mrq: mmc_request currently being processed or waiting to be + * processed, or NULL when the slot is idle. + * @queue_node: List node for placing this node in the @queue list of + * &struct dw_mci. + * @clock: Clock rate configured by set_ios(). Protected by host->lock. + * @__clk_old: The last updated clock with reflecting clock divider. + * Keeping track of this helps us to avoid spamming the console + * with CONFIG_MMC_CLKGATE. + * @flags: Random state bits associated with the slot. + * @id: Number of this slot. + * @last_detect_state: Most recently observed card detect state. + */ +struct dw_mci_slot { + struct mmc_host *mmc; + struct dw_mci *host; + + int quirks; + int wp_gpio; + + u32 ctype; + + struct mmc_request *mrq; + struct list_head queue_node; + + unsigned int clock; + unsigned int __clk_old; + + unsigned long flags; +#define DW_MMC_CARD_PRESENT 0 +#define DW_MMC_CARD_NEED_INIT 1 + int id; + int last_detect_state; +}; + +struct dw_mci_tuning_data { + const u8 *blk_pattern; + unsigned int blksz; +}; + +/** * dw_mci driver data - dw-mshc implementation specific driver data. * @caps: mmc subsystem specified capabilities of the controller(s). * @init: early implementation specific initialization. @@ -203,5 +256,7 @@ struct dw_mci_drv_data { void (*prepare_command)(struct dw_mci *host, u32 *cmdr); void (*set_ios)(struct dw_mci *host, struct mmc_ios *ios); int (*parse_dt)(struct dw_mci *host); + int (*execute_tuning)(struct dw_mci_slot *slot, u32 opcode, + struct dw_mci_tuning_data *tuning_data); }; #endif /* _DW_MMC_H_ */ |