diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h index c29e48767e..0304960132 100644 --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h +++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.h @@ -797,6 +797,30 @@ SdCardIdentification ( );
/**
+ SD/MMC card clock supply.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.2.1 for details.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] BusTiming BusTiming at which the frequency change is done.
+ @param[in] FirstTimeSetup Flag to indicate whether the clock is being setup for the first time.
+ @param[in] ClockFreq The max clock frequency to be set. The unit is KHz.
+
+ @retval EFI_SUCCESS The clock is supplied successfully.
+ @retval Others The clock isn't supplied successfully.
+
+**/
+EFI_STATUS
+SdMmcHcClockSupply (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot,
+ IN SD_MMC_BUS_MODE BusTiming,
+ IN BOOLEAN FirstTimeSetup,
+ IN UINT64 ClockFreq
+ );
+
+/**
Software reset the specified SD/MMC host controller.
@param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
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