-/** @file
-
- Copyright (c) 2008-2009, Apple Inc. All rights reserved.
-
- 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.
-
-**/
-
-#include <Uefi.h>
-
-#include <Library/IoLib.h>
-#include <Library/OmapLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include <Protocol/EmbeddedGpio.h>
-
-#include <Omap3530/Omap3530.h>
-
-EFI_STATUS
-Get (
- IN EMBEDDED_GPIO *This,
- IN EMBEDDED_GPIO_PIN Gpio,
- OUT UINTN *Value
- )
-{
- UINTN Port;
- UINTN Pin;
- UINT32 DataInRegister;
-
- if (Value == NULL)
- {
- return EFI_UNSUPPORTED;
- }
-
- Port = GPIO_PORT(Gpio);
- Pin = GPIO_PIN(Gpio);
-
- DataInRegister = GpioBase(Port) + GPIO_DATAIN;
-
- if (MmioRead32 (DataInRegister) & GPIO_DATAIN_MASK(Pin)) {
- *Value = 1;
- } else {
- *Value = 0;
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-Set (
- IN EMBEDDED_GPIO *This,
- IN EMBEDDED_GPIO_PIN Gpio,
- IN EMBEDDED_GPIO_MODE Mode
- )
-{
- UINTN Port;
- UINTN Pin;
- UINT32 OutputEnableRegister;
- UINT32 SetDataOutRegister;
- UINT32 ClearDataOutRegister;
-
- Port = GPIO_PORT(Gpio);
- Pin = GPIO_PIN(Gpio);
-
- OutputEnableRegister = GpioBase(Port) + GPIO_OE;
- SetDataOutRegister = GpioBase(Port) + GPIO_SETDATAOUT;
- ClearDataOutRegister = GpioBase(Port) + GPIO_CLEARDATAOUT;
-
- switch (Mode)
- {
- case GPIO_MODE_INPUT:
- MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_INPUT(Pin));
- break;
-
- case GPIO_MODE_OUTPUT_0:
- MmioWrite32 (ClearDataOutRegister, GPIO_CLEARDATAOUT_BIT(Pin));
- MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_OUTPUT(Pin));
- break;
-
- case GPIO_MODE_OUTPUT_1:
- MmioWrite32 (SetDataOutRegister, GPIO_SETDATAOUT_BIT(Pin));
- MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_OUTPUT(Pin));
- break;
-
- default:
- return EFI_UNSUPPORTED;
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-GetMode (
- IN EMBEDDED_GPIO *This,
- IN EMBEDDED_GPIO_PIN Gpio,
- OUT EMBEDDED_GPIO_MODE *Mode
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-EFI_STATUS
-SetPull (
- IN EMBEDDED_GPIO *This,
- IN EMBEDDED_GPIO_PIN Gpio,
- IN EMBEDDED_GPIO_PULL Direction
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-EMBEDDED_GPIO Gpio = {
- Get,
- Set,
- GetMode,
- SetPull
-};
-
-EFI_STATUS
-GpioInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- Status = gBS->InstallMultipleProtocolInterfaces(&ImageHandle, &gEmbeddedGpioProtocolGuid, &Gpio, NULL);
- return Status;
-}
+/** @file\r
+\r
+ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
+\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
+#include <Uefi.h>\r
+\r
+#include <Library/IoLib.h>\r
+#include <Library/OmapLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+\r
+#include <Protocol/EmbeddedGpio.h>\r
+\r
+#include <Omap3530/Omap3530.h>\r
+\r
+EFI_STATUS\r
+Get (\r
+ IN EMBEDDED_GPIO *This,\r
+ IN EMBEDDED_GPIO_PIN Gpio,\r
+ OUT UINTN *Value\r
+ )\r
+{\r
+ UINTN Port;\r
+ UINTN Pin;\r
+ UINT32 DataInRegister;\r
+\r
+ if (Value == NULL)\r
+ {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ Port = GPIO_PORT(Gpio);\r
+ Pin = GPIO_PIN(Gpio);\r
+\r
+ DataInRegister = GpioBase(Port) + GPIO_DATAIN;\r
+\r
+ if (MmioRead32 (DataInRegister) & GPIO_DATAIN_MASK(Pin)) {\r
+ *Value = 1;\r
+ } else {\r
+ *Value = 0;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+Set (\r
+ IN EMBEDDED_GPIO *This,\r
+ IN EMBEDDED_GPIO_PIN Gpio,\r
+ IN EMBEDDED_GPIO_MODE Mode\r
+ )\r
+{\r
+ UINTN Port;\r
+ UINTN Pin;\r
+ UINT32 OutputEnableRegister;\r
+ UINT32 SetDataOutRegister;\r
+ UINT32 ClearDataOutRegister;\r
+\r
+ Port = GPIO_PORT(Gpio);\r
+ Pin = GPIO_PIN(Gpio);\r
+\r
+ OutputEnableRegister = GpioBase(Port) + GPIO_OE;\r
+ SetDataOutRegister = GpioBase(Port) + GPIO_SETDATAOUT;\r
+ ClearDataOutRegister = GpioBase(Port) + GPIO_CLEARDATAOUT;\r
+\r
+ switch (Mode)\r
+ {\r
+ case GPIO_MODE_INPUT:\r
+ MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_INPUT(Pin));\r
+ break;\r
+\r
+ case GPIO_MODE_OUTPUT_0:\r
+ MmioWrite32 (ClearDataOutRegister, GPIO_CLEARDATAOUT_BIT(Pin));\r
+ MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_OUTPUT(Pin));\r
+ break;\r
+\r
+ case GPIO_MODE_OUTPUT_1:\r
+ MmioWrite32 (SetDataOutRegister, GPIO_SETDATAOUT_BIT(Pin));\r
+ MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_OUTPUT(Pin));\r
+ break;\r
+\r
+ default:\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+GetMode (\r
+ IN EMBEDDED_GPIO *This,\r
+ IN EMBEDDED_GPIO_PIN Gpio,\r
+ OUT EMBEDDED_GPIO_MODE *Mode\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+EFI_STATUS\r
+SetPull (\r
+ IN EMBEDDED_GPIO *This,\r
+ IN EMBEDDED_GPIO_PIN Gpio,\r
+ IN EMBEDDED_GPIO_PULL Direction\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+EMBEDDED_GPIO Gpio = {\r
+ Get,\r
+ Set,\r
+ GetMode,\r
+ SetPull\r
+};\r
+\r
+EFI_STATUS\r
+GpioInitialize (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ Status = gBS->InstallMultipleProtocolInterfaces(&ImageHandle, &gEmbeddedGpioProtocolGuid, &Gpio, NULL);\r
+ return Status;\r
+}\r
projects / mirror_edk2.git / blobdiff