MdeModulePkg/SdMmc: Add EDKII SD/MMC stack

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / SdMmcPciHcPei / SdMmcPciHcPei.h

diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcPei/SdMmcPciHcPei.h b/MdeModulePkg/Bus/Pci/SdMmcPciHcPei/SdMmcPciHcPei.h
new file mode 100644 (file)
index 0000000..1fbd2ca
--- /dev/null
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcPei/SdMmcPciHcPei.h
@@ -0,0 +1,86 @@
+/** @file\r
+\r
+  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r
+  This program and the accompanying materials\r
+  are licensed and made available under the terms and conditions of the BSD License\r
+  which accompanies this distribution.  The full text of the license may be found at\r
+  http://opensource.org/licenses/bsd-license.php.\r
+\r
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#ifndef _SD_MMC_PCI_HOST_CONTROLLER_PEI_H_\r
+#define _SD_MMC_PCI_HOST_CONTROLLER_PEI_H_\r
+\r
+#include <PiPei.h>\r
+\r
+#include <Ppi/MasterBootMode.h>\r
+#include <Ppi/SdMmcHostController.h>\r
+\r
+#include <IndustryStandard/Pci.h>\r
+\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/PciLib.h>\r
+#include <Library/PeiServicesLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+\r
+#define SD_MMC_HC_PEI_SIGNATURE    SIGNATURE_32 ('S', 'D', 'M', 'C')\r
+\r
+#define MAX_SD_MMC_HCS             8\r
+#define MAX_SD_MMC_SLOTS           6\r
+\r
+//\r
+// SD Host Controller SlotInfo Register Offset\r
+//\r
+#define SD_MMC_HC_PEI_SLOT_OFFSET  0x40\r
+\r
+typedef struct {\r
+  UINT8    FirstBar:3;        // bit 0:2\r
+  UINT8    Reserved:1;        // bit 3\r
+  UINT8    SlotNum:3;         // bit 4:6\r
+  UINT8    Reserved1:1;       // bit 7\r
+} SD_MMC_HC_PEI_SLOT_INFO;\r
+\r
+typedef struct {\r
+  UINTN                            SlotNum;\r
+  UINTN                            MmioBarAddr[MAX_SD_MMC_SLOTS];\r
+} SD_MMC_HC_PEI_BAR;\r
+\r
+typedef struct {\r
+  UINTN                            Signature;\r
+  EDKII_SD_MMC_HOST_CONTROLLER_PPI SdMmcHostControllerPpi;\r
+  EFI_PEI_PPI_DESCRIPTOR           PpiList;\r
+  UINTN                            TotalSdMmcHcs;\r
+  SD_MMC_HC_PEI_BAR                MmioBar[MAX_SD_MMC_HCS];\r
+} SD_MMC_HC_PEI_PRIVATE_DATA;\r
+\r
+#define SD_MMC_HC_PEI_PRIVATE_DATA_FROM_THIS(a)  CR (a, SD_MMC_HC_PEI_PRIVATE_DATA, SdMmcHostControllerPpi, SD_MMC_HC_PEI_SIGNATURE)\r
+\r
+/**\r
+  Get the MMIO base address of SD/MMC host controller.\r
+\r
+  @param[in]     This            The protocol instance pointer.\r
+  @param[in]     ControllerId    The ID of the SD/MMC host controller.\r
+  @param[in,out] MmioBar         The pointer to store the array of available\r
+                                 SD/MMC host controller slot MMIO base addresses.\r
+                                 The entry number of the array is specified by BarNum.\r
+  @param[out]    BarNum          The pointer to store the supported bar number.\r
+\r
+  @retval EFI_SUCCESS            The operation succeeds.\r
+  @retval EFI_INVALID_PARAMETER  The parameters are invalid.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GetSdMmcHcMmioBar (\r
+  IN     EDKII_SD_MMC_HOST_CONTROLLER_PPI *This,\r
+  IN     UINT8                            ControllerId,\r
+  IN OUT UINTN                            **MmioBar,\r
+     OUT UINT8                            *BarNum\r
+  );\r
+\r
+#endif\r