diff options
Diffstat (limited to 'MdeModulePkg/Library/BaseSpiHcPlatformLibNull/BaseSpiHcPlatformLibNull.c')
| -rw-r--r-- | MdeModulePkg/Library/BaseSpiHcPlatformLibNull/BaseSpiHcPlatformLibNull.c | 290 |
1 files changed, 145 insertions, 145 deletions
diff --git a/MdeModulePkg/Library/BaseSpiHcPlatformLibNull/BaseSpiHcPlatformLibNull.c b/MdeModulePkg/Library/BaseSpiHcPlatformLibNull/BaseSpiHcPlatformLibNull.c index 2926e9e248..91a77335eb 100644 --- a/MdeModulePkg/Library/BaseSpiHcPlatformLibNull/BaseSpiHcPlatformLibNull.c +++ b/MdeModulePkg/Library/BaseSpiHcPlatformLibNull/BaseSpiHcPlatformLibNull.c @@ -1,145 +1,145 @@ -/** @file
-
- Null implementation of SpiHcPlatformLib
-
- Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-#include <PiDxe.h>
-#include <Protocol/DevicePath.h>
-#include <Protocol/SpiHc.h>
-#include <Library/SpiHcPlatformLib.h>
-
-/**
- This function reports the details of the SPI Host Controller to the SpiHc driver.
-
- @param[out] Attributes The suported attributes of the SPI host controller
- @param[out] FrameSizeSupportMask The suported FrameSizeSupportMask of the SPI host controller
- @param[out] MaximumTransferBytes The suported MaximumTransferBytes of the SPI host controller
-
- @retval EFI_UNSUPPORTED
-**/
-EFI_STATUS
-EFIAPI
-GetPlatformSpiHcDetails (
- OUT UINT32 *Attributes,
- OUT UINT32 *FrameSizeSupportMask,
- OUT UINT32 *MaximumTransferBytes
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-/**
- This function reports the device path of SPI host controller. This is needed in order for the SpiBus
- to match the correct SPI_BUS to the SPI host controller
-
- @param[out] DevicePath The device path for this SPI HC is returned in this variable
-
- @retval EFI_UNSUPPORTED
-**/
-EFI_STATUS
-EFIAPI
-GetSpiHcDevicePath (
- OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-/**
- This is the platform specific Spi Chip select function.
- Assert or deassert the SPI chip select.
-
- This routine is called at TPL_NOTIFY.
- Update the value of the chip select line for a SPI peripheral. The SPI bus
- layer calls this routine either in the board layer or in the SPI controller
- to manipulate the chip select pin at the start and end of a SPI transaction.
-
- @param[in] This Pointer to an EFI_SPI_HC_PROTOCOL structure.
- @param[in] SpiPeripheral The address of an EFI_SPI_PERIPHERAL data structure
- describing the SPI peripheral whose chip select pin
- is to be manipulated. The routine may access the
- ChipSelectParameter field to gain sufficient
- context to complete the operati on.
- @param[in] PinValue The value to be applied to the chip select line of
- the SPI peripheral.
-
- @retval EFI_UNSUPPORTED
-
-**/
-EFI_STATUS
-EFIAPI
-PlatformSpiHcChipSelect (
- IN CONST EFI_SPI_HC_PROTOCOL *This,
- IN CONST EFI_SPI_PERIPHERAL *SpiPeripheral,
- IN BOOLEAN PinValue
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-/**
- This function is the platform specific SPI clock function.
- Set up the clock generator to produce the correct clock frequency, phase and
- polarity for a SPI chip.
-
- This routine is called at TPL_NOTIFY.
- This routine updates the clock generator to generate the correct frequency
- and polarity for the SPI clock.
-
- @param[in] This Pointer to an EFI_SPI_HC_PROTOCOL structure.
- @param[in] SpiPeripheral Pointer to a EFI_SPI_PERIPHERAL data structure from
- which the routine can access the ClockParameter,
- ClockPhase and ClockPolarity fields. The routine
- also has access to the names for the SPI bus and
- chip which can be used during debugging.
- @param[in] ClockHz Pointer to the requested clock frequency. The SPI
- host controller will choose a supported clock
- frequency which is less then or equal to this
- value. Specify zero to turn the clock generator
- off. The actual clock frequency supported by the
- SPI host controller will be returned.
-
- @retval EFI_UNSUPPORTED
-
-**/
-EFI_STATUS
-EFIAPI
-PlatformSpiHcClock (
- IN CONST EFI_SPI_HC_PROTOCOL *This,
- IN CONST EFI_SPI_PERIPHERAL *SpiPeripheral,
- IN UINT32 *ClockHz
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-/**
- This function is the platform specific SPI transaction function
- Perform the SPI transaction on the SPI peripheral using the SPI host
- controller.
-
- This routine is called at TPL_NOTIFY.
- This routine synchronously returns EFI_SUCCESS indicating that the
- asynchronous SPI transaction was started. The routine then waits for
- completion of the SPI transaction prior to returning the final transaction
- status.
-
- @param[in] This Pointer to an EFI_SPI_HC_PROTOCOL structure.
- @param[in] BusTransaction Pointer to a EFI_SPI_BUS_ TRANSACTION containing
- the description of the SPI transaction to perform.
-
- @retval EFI_UNSUPPORTED
-
-**/
-EFI_STATUS
-EFIAPI
-PlatformSpiHcTransaction (
- IN CONST EFI_SPI_HC_PROTOCOL *This,
- IN EFI_SPI_BUS_TRANSACTION *BusTransaction
- )
-{
- return EFI_UNSUPPORTED;
-}
+/** @file + + Null implementation of SpiHcPlatformLib + + Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#include <PiDxe.h> +#include <Protocol/DevicePath.h> +#include <Protocol/SpiHc.h> +#include <Library/SpiHcPlatformLib.h> + +/** + This function reports the details of the SPI Host Controller to the SpiHc driver. + + @param[out] Attributes The suported attributes of the SPI host controller + @param[out] FrameSizeSupportMask The suported FrameSizeSupportMask of the SPI host controller + @param[out] MaximumTransferBytes The suported MaximumTransferBytes of the SPI host controller + + @retval EFI_UNSUPPORTED +**/ +EFI_STATUS +EFIAPI +GetPlatformSpiHcDetails ( + OUT UINT32 *Attributes, + OUT UINT32 *FrameSizeSupportMask, + OUT UINT32 *MaximumTransferBytes + ) +{ + return EFI_UNSUPPORTED; +} + +/** + This function reports the device path of SPI host controller. This is needed in order for the SpiBus + to match the correct SPI_BUS to the SPI host controller + + @param[out] DevicePath The device path for this SPI HC is returned in this variable + + @retval EFI_UNSUPPORTED +**/ +EFI_STATUS +EFIAPI +GetSpiHcDevicePath ( + OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath + ) +{ + return EFI_UNSUPPORTED; +} + +/** + This is the platform specific Spi Chip select function. + Assert or deassert the SPI chip select. + + This routine is called at TPL_NOTIFY. + Update the value of the chip select line for a SPI peripheral. The SPI bus + layer calls this routine either in the board layer or in the SPI controller + to manipulate the chip select pin at the start and end of a SPI transaction. + + @param[in] This Pointer to an EFI_SPI_HC_PROTOCOL structure. + @param[in] SpiPeripheral The address of an EFI_SPI_PERIPHERAL data structure + describing the SPI peripheral whose chip select pin + is to be manipulated. The routine may access the + ChipSelectParameter field to gain sufficient + context to complete the operati on. + @param[in] PinValue The value to be applied to the chip select line of + the SPI peripheral. + + @retval EFI_UNSUPPORTED + +**/ +EFI_STATUS +EFIAPI +PlatformSpiHcChipSelect ( + IN CONST EFI_SPI_HC_PROTOCOL *This, + IN CONST EFI_SPI_PERIPHERAL *SpiPeripheral, + IN BOOLEAN PinValue + ) +{ + return EFI_UNSUPPORTED; +} + +/** + This function is the platform specific SPI clock function. + Set up the clock generator to produce the correct clock frequency, phase and + polarity for a SPI chip. + + This routine is called at TPL_NOTIFY. + This routine updates the clock generator to generate the correct frequency + and polarity for the SPI clock. + + @param[in] This Pointer to an EFI_SPI_HC_PROTOCOL structure. + @param[in] SpiPeripheral Pointer to a EFI_SPI_PERIPHERAL data structure from + which the routine can access the ClockParameter, + ClockPhase and ClockPolarity fields. The routine + also has access to the names for the SPI bus and + chip which can be used during debugging. + @param[in] ClockHz Pointer to the requested clock frequency. The SPI + host controller will choose a supported clock + frequency which is less then or equal to this + value. Specify zero to turn the clock generator + off. The actual clock frequency supported by the + SPI host controller will be returned. + + @retval EFI_UNSUPPORTED + +**/ +EFI_STATUS +EFIAPI +PlatformSpiHcClock ( + IN CONST EFI_SPI_HC_PROTOCOL *This, + IN CONST EFI_SPI_PERIPHERAL *SpiPeripheral, + IN UINT32 *ClockHz + ) +{ + return EFI_UNSUPPORTED; +} + +/** + This function is the platform specific SPI transaction function + Perform the SPI transaction on the SPI peripheral using the SPI host + controller. + + This routine is called at TPL_NOTIFY. + This routine synchronously returns EFI_SUCCESS indicating that the + asynchronous SPI transaction was started. The routine then waits for + completion of the SPI transaction prior to returning the final transaction + status. + + @param[in] This Pointer to an EFI_SPI_HC_PROTOCOL structure. + @param[in] BusTransaction Pointer to a EFI_SPI_BUS_ TRANSACTION containing + the description of the SPI transaction to perform. + + @retval EFI_UNSUPPORTED + +**/ +EFI_STATUS +EFIAPI +PlatformSpiHcTransaction ( + IN CONST EFI_SPI_HC_PROTOCOL *This, + IN EFI_SPI_BUS_TRANSACTION *BusTransaction + ) +{ + return EFI_UNSUPPORTED; +} |