@@ -58,6 +58,7 @@ [Guids.common]
[Protocols.common]
gHardwareInterruptProtocolGuid = { 0x2890B3EA, 0x053D, 0x1643, { 0xAD, 0x0C, 0xD6, 0x48, 0x08, 0xDA, 0x3F, 0xF1 } }
+ gHardwareInterrupt2ProtocolGuid = { 0x32898322, 0x2da1, 0x474a, { 0xba, 0xaa, 0xf3, 0xf7, 0xcf, 0x56, 0x94, 0x70 } }
gEfiDebugSupportPeriodicCallbackProtocolGuid = { 0x9546e07c, 0x2cbb, 0x4c88, { 0x98, 0x6c, 0xcd, 0x34, 0x10, 0x86, 0xf0, 0x44 } }
gEfiEblAddCommandProtocolGuid = { 0xaeda2428, 0x9a22, 0x4637, { 0x9b, 0x21, 0x54, 0x5e, 0x28, 0xfb, 0xb8, 0x29 } }
gEmbeddedDeviceGuid = { 0xbf4b9d10, 0x13ec, 0x43dd, { 0x88, 0x80, 0xe9, 0xb, 0x71, 0x8f, 0x27, 0xde } }
new file mode 100644
@@ -0,0 +1,181 @@
+/** @file
+
+ Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
+
+ 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.
+
+**/
+
+#ifndef __HARDWARE_INTERRUPT2_H__
+#define __HARDWARE_INTERRUPT2_H__
+
+#include <Protocol/HardwareInterrupt.h>
+
+// 22838932-1a2d-4a47-aaba-f3f7cf569470
+
+#define EFI_HARDWARE_INTERRUPT2_PROTOCOL_GUID \
+ { 0x32898322, 0x2da1, 0x474a, { 0xba, 0xaa, 0xf3, 0xf7, 0xcf, 0x56, 0x94, 0x70 } }
+
+typedef enum {
+ EFI_HARDWARE_INTERRUPT2_TRIGGER_LEVEL_LOW,
+ EFI_HARDWARE_INTERRUPT2_TRIGGER_LEVEL_HIGH,
+ EFI_HARDWARE_INTERRUPT2_TRIGGER_EDGE_FALLING,
+ EFI_HARDWARE_INTERRUPT2_TRIGGER_EDGE_RISING,
+} EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE;
+
+typedef struct _EFI_HARDWARE_INTERRUPT2_PROTOCOL EFI_HARDWARE_INTERRUPT2_PROTOCOL;
+
+/**
+ Register Handler for the specified interrupt source.
+
+ @param This Instance pointer for this protocol
+ @param Source Hardware source of the interrupt
+ @param Handler Callback for interrupt. NULL to unregister
+
+ @retval EFI_SUCCESS Source was updated to support Handler.
+ @retval EFI_DEVICE_ERROR Hardware could not be programmed.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *HARDWARE_INTERRUPT2_REGISTER) (
+ IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
+ IN HARDWARE_INTERRUPT_SOURCE Source,
+ IN HARDWARE_INTERRUPT_HANDLER Handler
+ );
+
+
+/**
+ Enable interrupt source Source.
+
+ @param This Instance pointer for this protocol
+ @param Source Hardware source of the interrupt
+
+ @retval EFI_SUCCESS Source interrupt enabled.
+ @retval EFI_DEVICE_ERROR Hardware could not be programmed.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *HARDWARE_INTERRUPT2_ENABLE) (
+ IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
+ IN HARDWARE_INTERRUPT_SOURCE Source
+ );
+
+
+
+/**
+ Disable interrupt source Source.
+
+ @param This Instance pointer for this protocol
+ @param Source Hardware source of the interrupt
+
+ @retval EFI_SUCCESS Source interrupt disabled.
+ @retval EFI_DEVICE_ERROR Hardware could not be programmed.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *HARDWARE_INTERRUPT2_DISABLE) (
+ IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
+ IN HARDWARE_INTERRUPT_SOURCE Source
+ );
+
+
+/**
+ Return current state of interrupt source Source.
+
+ @param This Instance pointer for this protocol
+ @param Source Hardware source of the interrupt
+ @param InterruptState TRUE: source enabled, FALSE: source disabled.
+
+ @retval EFI_SUCCESS InterruptState is valid
+ @retval EFI_DEVICE_ERROR InterruptState is not valid
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *HARDWARE_INTERRUPT2_INTERRUPT_STATE) (
+ IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
+ IN HARDWARE_INTERRUPT_SOURCE Source,
+ IN BOOLEAN *InterruptState
+ );
+
+/**
+ Signal to the hardware that the End Of Intrrupt state
+ has been reached.
+
+ @param This Instance pointer for this protocol
+ @param Source Hardware source of the interrupt
+
+ @retval EFI_SUCCESS Source interrupt EOI'ed.
+ @retval EFI_DEVICE_ERROR Hardware could not be programmed.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *HARDWARE_INTERRUPT2_END_OF_INTERRUPT) (
+ IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
+ IN HARDWARE_INTERRUPT_SOURCE Source
+ );
+
+/**
+ Return the configured trigger type for an interrupt source
+
+ @param This Instance pointer for this protocol
+ @param Source Hardware source of the interrupt
+ @param TriggerType The configured trigger type
+
+ @retval EFI_SUCCESS Operation successful
+ @retval EFI_DEVICE_ERROR Information could not be returned
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *HARDWARE_INTERRUPT2_GET_TRIGGER_TYPE) (
+ IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
+ IN HARDWARE_INTERRUPT_SOURCE Source,
+ OUT EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE *TriggerType
+ );
+
+
+/**
+ Configure the trigger type for an interrupt source
+
+ @param This Instance pointer for this protocol
+ @param Source Hardware source of the interrupt
+ @param TriggerType The trigger type to configure
+
+ @retval EFI_SUCCESS Operation successful
+ @retval EFI_DEVICE_ERROR Hardware could not be programmed.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *HARDWARE_INTERRUPT2_SET_TRIGGER_TYPE) (
+ IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
+ IN HARDWARE_INTERRUPT_SOURCE Source,
+ IN EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE TriggerType
+ );
+
+struct _EFI_HARDWARE_INTERRUPT2_PROTOCOL {
+ HARDWARE_INTERRUPT2_REGISTER RegisterInterruptSource;
+ HARDWARE_INTERRUPT2_ENABLE EnableInterruptSource;
+ HARDWARE_INTERRUPT2_DISABLE DisableInterruptSource;
+ HARDWARE_INTERRUPT2_INTERRUPT_STATE GetInterruptSourceState;
+ HARDWARE_INTERRUPT2_END_OF_INTERRUPT EndOfInterrupt;
+
+ // v2 members
+ HARDWARE_INTERRUPT2_GET_TRIGGER_TYPE GetTriggerType;
+ HARDWARE_INTERRUPT2_SET_TRIGGER_TYPE SetTriggerType;
+};
+
+extern EFI_GUID gHardwareInterrupt2ProtocolGuid;
+
+#endif
The existing HardwareInterrupt protocol lacks the method to configure the level/edge and polarity properties of an interrupt. So introduce a new protocol HardwareInterrupt2, and add some new members that allow the manipulation of those properties. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> --- EmbeddedPkg/EmbeddedPkg.dec | 1 + EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h | 181 ++++++++++++++++++++ 2 files changed, 182 insertions(+)