diff options
Diffstat (limited to 'drivers/mmc/host/mmci.h')
| -rw-r--r-- | drivers/mmc/host/mmci.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index e1a9b96a3396..12a7bbd3ce26 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -262,6 +262,19 @@ struct dma_chan; struct mmci_host; /** + * enum mmci_busy_state - enumerate the busy detect wait states + * + * This is used for the state machine waiting for different busy detect + * interrupts on hardware that fire a single IRQ for start and end of + * the busy detect phase on DAT0. + */ +enum mmci_busy_state { + MMCI_BUSY_WAITING_FOR_START_IRQ, + MMCI_BUSY_WAITING_FOR_END_IRQ, + MMCI_BUSY_DONE, +}; + +/** * struct variant_data - MMCI variant-specific quirks * @clkreg: default value for MCICLOCK register * @clkreg_enable: enable value for MMCICLOCK register @@ -409,6 +422,7 @@ struct mmci_host { u32 clk_reg; u32 clk_reg_add; u32 datactrl_reg; + enum mmci_busy_state busy_state; u32 busy_status; u32 mask1_reg; u8 vqmmc_enabled:1; |