mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-30 12:43:41 +01:00
303 lines
12 KiB
C
303 lines
12 KiB
C
/** @file
|
|
Main Header file for the MMC DXE driver
|
|
|
|
Copyright (c) 2011, ARM Limited. All rights reserved.
|
|
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef __MMC_H
|
|
#define __MMC_H
|
|
|
|
#include <Uefi.h>
|
|
|
|
#include <Protocol/DiskIo.h>
|
|
#include <Protocol/BlockIo.h>
|
|
#include <Protocol/DevicePath.h>
|
|
#include <Protocol/MmcHost.h>
|
|
|
|
#include <Library/UefiLib.h>
|
|
|
|
#define MMC_TRACE(txt) DEBUG((EFI_D_BLKIO, "MMC: " txt "\n"))
|
|
|
|
#define MMC_IOBLOCKS_READ 0
|
|
#define MMC_IOBLOCKS_WRITE 1
|
|
|
|
#define MMC_OCR_POWERUP 0x80000000
|
|
|
|
#define MMC_CSD_GET_CCC(Response) (Response[2] >> 20)
|
|
#define MMC_CSD_GET_TRANSPEED(Response) (Response[3] & 0xFF)
|
|
#define MMC_CSD_GET_READBLLEN(Response) ((Response[2] >> 16) & 0xF)
|
|
#define MMC_CSD_GET_WRITEBLLEN(Response) ((Response[0] >> 22) & 0xF)
|
|
#define MMC_CSD_GET_FILEFORMAT(Response) ((Response[0] >> 10) & 0x3)
|
|
#define MMC_CSD_GET_FILEFORMATGRP(Response) ((Response[0] >> 15) & 0x1)
|
|
#define MMC_CSD_GET_DEVICESIZE(csd) (((Response[1] >> 30) & 0x3) | ((Response[2] & 0x3FF) << 2))
|
|
#define HC_MMC_CSD_GET_DEVICESIZE(Response) ((Response[1] >> 16) | ((Response[2] & 0x40) << 16));
|
|
#define MMC_CSD_GET_DEVICESIZEMULT(csd) ((Response[1] >> 15) & 0x7)
|
|
|
|
#define MMC_R0_READY_FOR_DATA (1 << 8)
|
|
|
|
#define MMC_R0_CURRENTSTATE(Response) ((Response[0] >> 9) & 0xF)
|
|
|
|
#define MMC_R0_STATE_IDLE 0
|
|
#define MMC_R0_STATE_READY 1
|
|
#define MMC_R0_STATE_IDENT 2
|
|
#define MMC_R0_STATE_STDBY 3
|
|
#define MMC_R0_STATE_TRAN 4
|
|
#define MMC_R0_STATE_DATA 5
|
|
|
|
typedef enum {
|
|
UNKNOWN_CARD,
|
|
MMC_CARD, //MMC card
|
|
MMC_CARD_HIGH, //MMC Card with High capacity
|
|
SD_CARD, //SD 1.1 card
|
|
SD_CARD_2, //SD 2.0 or above standard card
|
|
SD_CARD_2_HIGH //SD 2.0 or above high capacity card
|
|
} CARD_TYPE;
|
|
|
|
typedef struct {
|
|
UINT32 Reserved0: 7; // 0
|
|
UINT32 V170_V195: 1; // 1.70V - 1.95V
|
|
UINT32 V200_V260: 7; // 2.00V - 2.60V
|
|
UINT32 V270_V360: 9; // 2.70V - 3.60V
|
|
UINT32 RESERVED_1: 5; // Reserved
|
|
UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode)
|
|
UINT32 Busy: 1; // This bit is set to LOW if the card has not finished the power up routine
|
|
} OCR;
|
|
|
|
typedef struct {
|
|
UINT32 NOT_USED; // 1 [0:0]
|
|
UINT32 CRC; // CRC7 checksum [7:1]
|
|
UINT32 MDT; // Manufacturing date [19:8]
|
|
UINT32 RESERVED_1; // Reserved [23:20]
|
|
UINT32 PSN; // Product serial number [55:24]
|
|
UINT8 PRV; // Product revision [63:56]
|
|
UINT8 PNM[5]; // Product name [64:103]
|
|
UINT16 OID; // OEM/Application ID [119:104]
|
|
UINT8 MID; // Manufacturer ID [127:120]
|
|
} CID;
|
|
|
|
typedef struct {
|
|
UINT8 NOT_USED: 1; // Not used, always 1 [0:0]
|
|
UINT8 CRC: 7; // CRC [7:1]
|
|
|
|
UINT8 RESERVED_1: 2; // Reserved [9:8]
|
|
UINT8 FILE_FORMAT: 2; // File format [11:10]
|
|
UINT8 TMP_WRITE_PROTECT: 1; // Temporary write protection [12:12]
|
|
UINT8 PERM_WRITE_PROTECT: 1; // Permanent write protection [13:13]
|
|
UINT8 COPY: 1; // Copy flag (OTP) [14:14]
|
|
UINT8 FILE_FORMAT_GRP: 1; // File format group [15:15]
|
|
|
|
UINT16 RESERVED_2: 5; // Reserved [20:16]
|
|
UINT16 WRITE_BL_PARTIAL: 1; // Partial blocks for write allowed [21:21]
|
|
UINT16 WRITE_BL_LEN: 4; // Max. write data block length [25:22]
|
|
UINT16 R2W_FACTOR: 3; // Write speed factor [28:26]
|
|
UINT16 RESERVED_3: 2; // Reserved [30:29]
|
|
UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31]
|
|
|
|
UINT32 WP_GRP_SIZE: 7; // Write protect group size [38:32]
|
|
UINT32 SECTOR_SIZE: 7; // Erase sector size [45:39]
|
|
UINT32 ERASE_BLK_EN: 1; // Erase single block enable [46:46]
|
|
UINT32 C_SIZE_MULT: 3; // Device size multiplier [49:47]
|
|
UINT32 VDD_W_CURR_MAX: 3; // Max. write current @ VDD max [52:50]
|
|
UINT32 VDD_W_CURR_MIN: 3; // Max. write current @ VDD min [55:53]
|
|
UINT32 VDD_R_CURR_MAX: 3; // Max. read current @ VDD max [58:56]
|
|
UINT32 VDD_R_CURR_MIN: 3; // Max. read current @ VDD min [61:59]
|
|
UINT32 C_SIZELow2: 2; // Device size [63:62]
|
|
|
|
UINT32 C_SIZEHigh10: 10;// Device size [73:64]
|
|
UINT32 RESERVED_4: 2; // Reserved [75:74]
|
|
UINT32 DSR_IMP: 1; // DSR implemented [76:76]
|
|
UINT32 READ_BLK_MISALIGN: 1; // Read block misalignment [77:77]
|
|
UINT32 WRITE_BLK_MISALIGN: 1; // Write block misalignment [78:78]
|
|
UINT32 READ_BL_PARTIAL: 1; // Partial blocks for read allowed [79:79]
|
|
UINT32 READ_BL_LEN: 4; // Max. read data block length [83:80]
|
|
UINT32 CCC: 12;// Card command classes [95:84]
|
|
|
|
UINT8 TRAN_SPEED ; // Max. bus clock frequency [103:96]
|
|
UINT8 NSAC ; // Data read access-time 2 in CLK cycles (NSAC*100) [111:104]
|
|
UINT8 TAAC ; // Data read access-time 1 [119:112]
|
|
|
|
UINT8 RESERVED_5: 6; // Reserved [125:120]
|
|
UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126]
|
|
} CSD;
|
|
|
|
typedef struct {
|
|
UINT16 RCA;
|
|
CARD_TYPE CardType;
|
|
OCR OCRData;
|
|
CID CIDData;
|
|
CSD CSDData;
|
|
} CARD_INFO;
|
|
|
|
typedef struct _MMC_HOST_INSTANCE {
|
|
UINTN Signature;
|
|
LIST_ENTRY Link;
|
|
EFI_HANDLE MmcHandle;
|
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
|
|
|
MMC_STATE State;
|
|
EFI_BLOCK_IO_PROTOCOL BlockIo;
|
|
CARD_INFO CardInfo;
|
|
EFI_MMC_HOST_PROTOCOL *MmcHost;
|
|
|
|
BOOLEAN Initialized;
|
|
} MMC_HOST_INSTANCE;
|
|
|
|
#define MMC_HOST_INSTANCE_SIGNATURE SIGNATURE_32('m', 'm', 'c', 'h')
|
|
#define MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(a) CR (a, MMC_HOST_INSTANCE, BlockIo, MMC_HOST_INSTANCE_SIGNATURE)
|
|
#define MMC_HOST_INSTANCE_FROM_LINK(a) CR (a, MMC_HOST_INSTANCE, Link, MMC_HOST_INSTANCE_SIGNATURE)
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmcGetDriverName (
|
|
IN EFI_COMPONENT_NAME_PROTOCOL *This,
|
|
IN CHAR8 *Language,
|
|
OUT CHAR16 **DriverName
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmcGetControllerName (
|
|
IN EFI_COMPONENT_NAME_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_HANDLE ChildHandle OPTIONAL,
|
|
IN CHAR8 *Language,
|
|
OUT CHAR16 **ControllerName
|
|
);
|
|
|
|
extern EFI_COMPONENT_NAME_PROTOCOL gMmcComponentName;
|
|
extern EFI_COMPONENT_NAME2_PROTOCOL gMmcComponentName2;
|
|
|
|
extern EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gMmcDriverDiagnostics2;
|
|
|
|
extern LIST_ENTRY mMmcHostPool;
|
|
|
|
/**
|
|
Reset the block device.
|
|
|
|
This function implements EFI_BLOCK_IO_PROTOCOL.Reset().
|
|
It resets the block device hardware.
|
|
ExtendedVerification is ignored in this implementation.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
@param ExtendedVerification Indicates that the driver may perform a more exhaustive
|
|
verification operation of the device during reset.
|
|
|
|
@retval EFI_SUCCESS The block device was reset.
|
|
@retval EFI_DEVICE_ERROR The block device is not functioning correctly and could not be reset.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmcReset (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
|
IN BOOLEAN ExtendedVerification
|
|
);
|
|
|
|
/**
|
|
Reads the requested number of blocks from the device.
|
|
|
|
This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().
|
|
It reads the requested number of blocks from the device.
|
|
All the blocks are read, or an error is returned.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
@param MediaId The media ID that the read request is for.
|
|
@param Lba The starting logical block address to read from on the device.
|
|
@param BufferSize The size of the Buffer in bytes.
|
|
This must be a multiple of the intrinsic block size of the device.
|
|
@param Buffer A pointer to the destination buffer for the data. The caller is
|
|
responsible for either having implicit or explicit ownership of the buffer.
|
|
|
|
@retval EFI_SUCCESS The data was read correctly from the device.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the read operation.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
|
|
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic block size of the device.
|
|
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
|
|
or the buffer is not on proper alignment.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmcReadBlocks (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN UINTN BufferSize,
|
|
OUT VOID *Buffer
|
|
);
|
|
|
|
/**
|
|
Writes a specified number of blocks to the device.
|
|
|
|
This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks().
|
|
It writes a specified number of blocks to the device.
|
|
All blocks are written, or an error is returned.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
@param MediaId The media ID that the write request is for.
|
|
@param Lba The starting logical block address to be written.
|
|
@param BufferSize The size of the Buffer in bytes.
|
|
This must be a multiple of the intrinsic block size of the device.
|
|
@param Buffer Pointer to the source buffer for the data.
|
|
|
|
@retval EFI_SUCCESS The data were written correctly to the device.
|
|
@retval EFI_WRITE_PROTECTED The device cannot be written to.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the write operation.
|
|
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic
|
|
block size of the device.
|
|
@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
|
|
or the buffer is not on proper alignment.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmcWriteBlocks (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This,
|
|
IN UINT32 MediaId,
|
|
IN EFI_LBA Lba,
|
|
IN UINTN BufferSize,
|
|
IN VOID *Buffer
|
|
);
|
|
|
|
/**
|
|
Flushes all modified data to a physical block device.
|
|
|
|
@param This Indicates a pointer to the calling context.
|
|
|
|
@retval EFI_SUCCESS All outstanding data were written correctly to the device.
|
|
@retval EFI_DEVICE_ERROR The device reported an error while attempting to write data.
|
|
@retval EFI_NO_MEDIA There is no media in the device.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MmcFlushBlocks (
|
|
IN EFI_BLOCK_IO_PROTOCOL *This
|
|
);
|
|
|
|
EFI_STATUS InitializeMmcDevice (
|
|
IN MMC_HOST_INSTANCE *MmcHost
|
|
);
|
|
|
|
VOID
|
|
EFIAPI
|
|
CheckCardsCallback (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
#endif
|