diff options
Diffstat (limited to 'drivers/mmc/host/dw_mmc.h')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index ce05d81477d9..7f1e38621d13 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -118,6 +118,7 @@ struct dw_mci_dma_slave { * @part_buf: Simple buffer for partial fifo reads/writes. * @push_data: Pointer to FIFO push function. * @pull_data: Pointer to FIFO pull function. + * @quirks: Set of quirks that apply to specific versions of the IP. * @vqmmc_enabled: Status of vqmmc, should be true or false. * @irq_flags: The flags to be passed to request_irq. * @irq: The irq value to be passed to request_irq. @@ -223,6 +224,7 @@ struct dw_mci { void (*push_data)(struct dw_mci *host, void *buf, int cnt); void (*pull_data)(struct dw_mci *host, void *buf, int cnt); + u32 quirks; bool vqmmc_enabled; unsigned long irq_flags; /* IRQ flags */ int irq; @@ -274,6 +276,9 @@ struct dw_mci_board { struct dma_pdata *data; }; +/* Support for longer data read timeout */ +#define DW_MMC_QUIRK_EXTENDED_TMOUT BIT(0) + #define DW_MMC_240A 0x240a #define DW_MMC_280A 0x280a @@ -550,10 +555,14 @@ struct dw_mci_slot { * dw_mci driver data - dw-mshc implementation specific driver data. * @caps: mmc subsystem specified capabilities of the controller(s). * @num_caps: number of capabilities specified by @caps. + * @common_caps: mmc subsystem specified capabilities applicable to all of + * the controllers * @init: early implementation specific initialization. * @set_ios: handle bus specific extensions. * @parse_dt: parse implementation specific device tree properties. * @execute_tuning: implementation specific tuning procedure. + * @set_data_timeout: implementation specific timeout. + * @get_drto_clks: implementation specific cycle count for data read timeout. * * Provide controller implementation specific extensions. The usage of this * data structure is fully optional and usage of each member in this structure @@ -562,6 +571,7 @@ struct dw_mci_slot { struct dw_mci_drv_data { unsigned long *caps; u32 num_caps; + u32 common_caps; int (*init)(struct dw_mci *host); void (*set_ios)(struct dw_mci *host, struct mmc_ios *ios); int (*parse_dt)(struct dw_mci *host); @@ -570,5 +580,8 @@ struct dw_mci_drv_data { struct mmc_ios *ios); int (*switch_voltage)(struct mmc_host *mmc, struct mmc_ios *ios); + void (*set_data_timeout)(struct dw_mci *host, + unsigned int timeout_ns); + u32 (*get_drto_clks)(struct dw_mci *host); }; #endif /* _DW_MMC_H_ */ |