88 lines
3.2 KiB
C
88 lines
3.2 KiB
C
/** @file
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SDMMC Supplement Protocol definition
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;******************************************************************************
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;* Copyright (c) 2018, Insyde Software Corp. All Rights Reserved.
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;*
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;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
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;* transmit, broadcast, present, recite, release, license or otherwise exploit
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;* any part of this publication in any form, by any means, without the prior
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;* written permission of Insyde Software Corporation.
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;*
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;******************************************************************************
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*/
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#ifndef _H2O_SD_MMC_SUPPLEMENT_H_
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#define _H2O_SD_MMC_SUPPLEMENT_H_
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#define H2O_SD_MMC_SUPPLEMENT_PROTOCOL_GUID \
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{ \
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0x46784364, 0xb9f1, 0x4f21, 0xa3, 0xa9, 0x36, 0xb8, 0xf7, 0x31, 0x85, 0xdf \
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}
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typedef struct _H2O_SD_MMC_SUPPLEMENT_PROTOCOL H2O_SD_MMC_SUPPLEMENT_PROTOCOL;
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#define H2O_SD_MMC_SUPPLEMENT_PROTOCOL_REVISION 0x01
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/**
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Switch the high speed timing according to request.
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Refer to EMMC Electrical Standard Spec 5.1 Section 6.6.8 and SD Host Controller
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Simplified Spec 3.0 Figure 2-29 for details.
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@param[in] This A pointer to the H2O_SD_MMC_SUPPLEMENT_PROTOCOL instance.
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@param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@param[in] Rca The relative device address to be assigned.
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@param[in] DeviceType Desired DeviceType to be set.
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@param[in] SDRMode Desired bus width to be set.
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@retval EFI_SUCCESS The operation is done correctly.
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@retval Others The operation fails.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *H2O_SD_MMC_SUPPLEMENT_EMMC_SET_BUS_MODE) (
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IN H2O_SD_MMC_SUPPLEMENT_PROTOCOL *This,
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IN EFI_PCI_IO_PROTOCOL *PciIo,
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot,
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IN UINT16 Rca,
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IN UINT8 DeviceType,
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IN UINT8 BusWidth
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);
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/**
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Execute EMMC device identification procedure.
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Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 for details.
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@param[in] This A pointer to the H2O_SD_MMC_SUPPLEMENT_PROTOCOL instance.
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@param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@retval EFI_SUCCESS There is a EMMC card.
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@retval Others There is not a EMMC card.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *H2O_SD_MMC_SUPPLEMENT_EMMC_ID) (
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IN H2O_SD_MMC_SUPPLEMENT_PROTOCOL *This,
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IN EFI_PCI_IO_PROTOCOL *PciIo,
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot
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);
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struct _H2O_SD_MMC_SUPPLEMENT_PROTOCOL {
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UINT32 Revision;
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H2O_SD_MMC_SUPPLEMENT_EMMC_SET_BUS_MODE EmmcSetBusMode;
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H2O_SD_MMC_SUPPLEMENT_EMMC_ID EmmcIdentification;
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};
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extern EFI_GUID gH2OSdMmcSupplementProtocolGuid;
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#endif
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