gPlatformGpioProtocolGuid = { 0x52ce9845, 0x5af4, 0x43e2, {0xba, 0xfd, 0x23, 0x08, 0x12, 0x54, 0x7a, 0xc2 }}\r
gAndroidBootImgProtocolGuid = { 0x9859bb19, 0x407c, 0x4f8b, {0xbc, 0xe1, 0xf8, 0xda, 0x65, 0x65, 0xf4, 0xa5 }}\r
\r
+[Ppis]\r
+ gEdkiiEmbeddedGpioPpiGuid = { 0x21c3b115, 0x4e0b, 0x470c, { 0x85, 0xc7, 0xe1, 0x05, 0xa5, 0x75, 0xc9, 0x7b }}\r
+\r
[PcdsFeatureFlag.common]\r
gEmbeddedTokenSpaceGuid.PcdEmbeddedMacBoot|FALSE|BOOLEAN|0x00000001\r
gEmbeddedTokenSpaceGuid.PcdEmbeddedDirCmd|TRUE|BOOLEAN|0x00000002\r
--- /dev/null
+/** @file\r
+\r
+ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
+ Copyright (c) 2017, Linaro, Ltd. 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
+#ifndef __EMBEDDED_GPIO_PPI_H__\r
+#define __EMBEDDED_GPIO_PPI_H__\r
+\r
+//\r
+// Protocol interface structure\r
+//\r
+typedef struct _EMBEDDED_GPIO_PPI EMBEDDED_GPIO_PPI;\r
+\r
+//\r
+// Data Types\r
+//\r
+typedef UINTN EMBEDDED_GPIO_PIN;\r
+\r
+#define GPIO(Port, Pin) ((EMBEDDED_GPIO_PIN)(((Port) << (16)) | (Pin)))\r
+#define GPIO_PIN(x) ((EMBEDDED_GPIO_PIN)(x) & (0xFFFF))\r
+#define GPIO_PORT(x) ((EMBEDDED_GPIO_PIN)(x) >> (16))\r
+\r
+typedef enum {\r
+ GPIO_MODE_INPUT = 0x00,\r
+ GPIO_MODE_OUTPUT_0 = 0x0E,\r
+ GPIO_MODE_OUTPUT_1 = 0x0F,\r
+ GPIO_MODE_SPECIAL_FUNCTION_2 = 0x02,\r
+ GPIO_MODE_SPECIAL_FUNCTION_3 = 0x03,\r
+ GPIO_MODE_SPECIAL_FUNCTION_4 = 0x04,\r
+ GPIO_MODE_SPECIAL_FUNCTION_5 = 0x05,\r
+ GPIO_MODE_SPECIAL_FUNCTION_6 = 0x06,\r
+ GPIO_MODE_SPECIAL_FUNCTION_7 = 0x07\r
+} EMBEDDED_GPIO_MODE;\r
+\r
+typedef enum {\r
+ GPIO_PULL_NONE,\r
+ GPIO_PULL_UP,\r
+ GPIO_PULL_DOWN\r
+} EMBEDDED_GPIO_PULL;\r
+\r
+//\r
+// Function Prototypes\r
+//\r
+\r
+/**\r
+\r
+ Gets the state of a GPIO pin\r
+\r
+ @param This Pointer to protocol\r
+ @param Gpio Which pin to read\r
+ @param Value State of the pin\r
+\r
+ @retval EFI_SUCCESS GPIO state returned in Value\r
+ @retval EFI_INVALID_PARAMETER Value is NULL\r
+ @retval EFI_NOT_FOUND Pin does not exit\r
+\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EMBEDDED_GPIO_GET) (\r
+ IN EMBEDDED_GPIO_PPI *This,\r
+ IN EMBEDDED_GPIO_PIN Gpio,\r
+ OUT UINTN *Value\r
+ );\r
+\r
+/**\r
+\r
+ Sets the state of a GPIO pin\r
+\r
+ @param This Pointer to protocol\r
+ @param Gpio Which pin to modify\r
+ @param Mode Mode to set\r
+\r
+ @retval EFI_SUCCESS GPIO set as requested\r
+ @retval EFI_INVALID_PARAMETER Invalid mode\r
+ @retval EFI_NOT_FOUND Pin does not exit\r
+\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EMBEDDED_GPIO_SET) (\r
+ IN EMBEDDED_GPIO_PPI *This,\r
+ IN EMBEDDED_GPIO_PIN Gpio,\r
+ IN EMBEDDED_GPIO_MODE Mode\r
+ );\r
+\r
+\r
+/**\r
+\r
+ Gets the mode (function) of a GPIO pin\r
+\r
+ @param This Pointer to protocol\r
+ @param Gpio Which pin\r
+ @param Mode Pointer to output mode value\r
+\r
+ @retval EFI_SUCCESS Mode value retrieved\r
+ @retval EFI_INVALID_PARAMETER Mode is NULL\r
+ @retval EFI_NOT_FOUND Pin does not exit\r
+\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EMBEDDED_GPIO_GET_MODE) (\r
+ IN EMBEDDED_GPIO_PPI *This,\r
+ IN EMBEDDED_GPIO_PIN Gpio,\r
+ OUT EMBEDDED_GPIO_MODE *Mode\r
+ );\r
+\r
+\r
+/**\r
+\r
+ Sets the pull-up / pull-down resistor of a GPIO pin\r
+\r
+ @param This Pointer to PPI\r
+ @param Gpio Port/pin index\r
+ @param Pull The pullup/pulldown mode to set\r
+\r
+ @retval EFI_SUCCESS Mode was set\r
+ @retval EFI_NOT_FOUND Pin does not exist\r
+ @retval EFI_UNSUPPORTED Action not supported\r
+\r
+**/\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI *EMBEDDED_GPIO_SET_PULL) (\r
+ IN EMBEDDED_GPIO_PPI *This,\r
+ IN EMBEDDED_GPIO_PIN Gpio,\r
+ IN EMBEDDED_GPIO_PULL Direction\r
+ );\r
+\r
+\r
+struct _EMBEDDED_GPIO_PPI {\r
+ EMBEDDED_GPIO_GET Get;\r
+ EMBEDDED_GPIO_SET Set;\r
+ EMBEDDED_GPIO_GET_MODE GetMode;\r
+ EMBEDDED_GPIO_SET_PULL SetPull;\r
+};\r
+\r
+extern EFI_GUID gEmbeddedGpioPpiGuid;\r
+\r
+#endif\r