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*******************************************************************************/

#include <PiDxe.h>

#include <Library/DebugLib.h>
#include <Library/MvHwDescLib.h>
#include <Library/NonDiscoverableDeviceRegistrationLib.h>
#include <Library/UefiBootServicesTableLib.h>

#include <Protocol/EmbeddedExternalDevice.h>

DECLARE_A7K8K_NONDISCOVERABLE_TEMPLATE;

//
// Tables with used devices
//
STATIC UINT8 * CONST XhciDeviceTable = FixedPcdGetPtr (PcdPciEXhci);
STATIC UINT8 * CONST AhciDeviceTable = FixedPcdGetPtr (PcdPciEAhci);
STATIC UINT8 * CONST SdhciDeviceTable = FixedPcdGetPtr (PcdPciESdhci);

//
// NonDiscoverable devices registration
//
STATIC
EFI_STATUS
PciEmulationInitXhci (
  )
{
  MVHW_NONDISCOVERABLE_DESC *Desc = &mA7k8kNonDiscoverableDescTemplate;
  EFI_STATUS Status;
  UINT8 i;

  if (PcdGetSize (PcdPciEXhci) < Desc->XhciDevCount) {
    DEBUG((DEBUG_ERROR, "PciEmulation: Wrong PcdPciEXhci format\n"));
    return EFI_INVALID_PARAMETER;
  }

  for (i = 0; i < Desc->XhciDevCount; i++) {
    if (!MVHW_DEV_ENABLED (Xhci, i)) {
      continue;
    }

    Status = RegisterNonDiscoverableMmioDevice (
                     NonDiscoverableDeviceTypeXhci,
                     Desc->XhciDmaType[i],
                     NULL,
                     NULL,
                     1,
                     Desc->XhciBaseAddresses[i], Desc->XhciMemSize[i]
                   );

    if (EFI_ERROR(Status)) {
      DEBUG((DEBUG_ERROR, "PciEmulation: Cannot install Xhci device %d\n", i));
      return Status;
    }
  }

  return EFI_SUCCESS;
}

STATIC
EFI_STATUS
PciEmulationInitAhci (
  )
{
  MVHW_NONDISCOVERABLE_DESC *Desc = &mA7k8kNonDiscoverableDescTemplate;
  EFI_STATUS Status;
  UINT8 i;

  if (PcdGetSize (PcdPciEAhci) < Desc->AhciDevCount) {
    DEBUG((DEBUG_ERROR, "PciEmulation: Wrong PcdPciEAhci format\n"));
    return EFI_INVALID_PARAMETER;
  }

  for (i = 0; i < Desc->AhciDevCount; i++) {
    if (!MVHW_DEV_ENABLED (Ahci, i)) {
      continue;
    }

    Status = RegisterNonDiscoverableMmioDevice (
                     NonDiscoverableDeviceTypeAhci,
                     Desc->AhciDmaType[i],
                     NULL,
                     NULL,
                     1,
                     Desc->AhciBaseAddresses[i], Desc->AhciMemSize[i]
                   );

    if (EFI_ERROR(Status)) {
      DEBUG((DEBUG_ERROR, "PciEmulation: Cannot install Ahci device %d\n", i));
      return Status;
    }
  }

  return EFI_SUCCESS;
}

STATIC
EFI_STATUS
PciEmulationInitSdhci (
  )
{
  MVHW_NONDISCOVERABLE_DESC *Desc = &mA7k8kNonDiscoverableDescTemplate;
  EFI_STATUS Status;
  UINT8 i;

  if (PcdGetSize (PcdPciESdhci) < Desc->SdhciDevCount) {
    DEBUG((DEBUG_ERROR, "PciEmulation: Wrong PcdPciESdhci format\n"));
    return EFI_INVALID_PARAMETER;
  }

  for (i = 0; i < Desc->SdhciDevCount; i++) {
    if (!MVHW_DEV_ENABLED (Sdhci, i)) {
      continue;
    }

    Status = RegisterNonDiscoverableMmioDevice (
                     NonDiscoverableDeviceTypeSdhci,
                     Desc->SdhciDmaType[i],
                     NULL,
                     NULL,
                     1,
                     Desc->SdhciBaseAddresses[i], Desc->SdhciMemSize[i]
                   );

    if (EFI_ERROR(Status)) {
      DEBUG((DEBUG_ERROR, "PciEmulation: Cannot install Sdhci device %d\n", i));
      return Status;
    }
  }

  return EFI_SUCCESS;
}

//
// Entry point
//
EFI_STATUS
EFIAPI
PciEmulationEntryPoint (
  IN EFI_HANDLE       ImageHandle,
  IN EFI_SYSTEM_TABLE *SystemTable
  )
{
  EFI_STATUS Status;

  Status = PciEmulationInitXhci();
  if (EFI_ERROR(Status)) {
    return Status;
  }

  Status = PciEmulationInitAhci();
  if (EFI_ERROR(Status)) {
    return Status;
  }

  Status = PciEmulationInitSdhci();
  if (EFI_ERROR(Status)) {
    return Status;
  }

  return EFI_SUCCESS;
}