From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
The existing HardwareInterrupt protocol lacks the means to configure
the level/edge and polarity properties of an interrupt. So introduce a
new protocol HardwareInterrupt2, and add some new members that allow
manipulation of those properties.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Girish Pathak <girish.pathak@arm.com>
Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
Tested-by: Girish Pathak <girish.pathak@arm.com>
---
EmbeddedPkg/EmbeddedPkg.dec | 1 +
EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h | 182 ++++++++++++++++++++
2 files changed, 183 insertions(+)
diff --git a/EmbeddedPkg/EmbeddedPkg.dec b/EmbeddedPkg/EmbeddedPkg.dec
index 0be102ad9c767d81a004c757f40a65063aab1d7a..151b1d503dee463d529a173d2555b6c9208100e5 100644
--- a/EmbeddedPkg/EmbeddedPkg.dec
+++ b/EmbeddedPkg/EmbeddedPkg.dec
@@ -69,6 +69,7 @@ [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 } }
diff --git a/EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h b/EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h
new file mode 100644
index 0000000000000000000000000000000000000000..505052bd81afe7432e3122a2722ceab348777c29
--- /dev/null
+++ b/EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h
@@ -0,0 +1,182 @@
+/** @file
+
+ Copyright (c) 2016-2017, 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, 0x2d1a, 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
--
Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")
_______________________________________________
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On Mon, Sep 11, 2017 at 04:23:32PM +0100, evan.lloyd@arm.com wrote:
> From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>
> The existing HardwareInterrupt protocol lacks the means to configure
> the level/edge and polarity properties of an interrupt. So introduce a
> new protocol HardwareInterrupt2, and add some new members that allow
> manipulation of those properties.
>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Signed-off-by: Girish Pathak <girish.pathak@arm.com>
> Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
> Tested-by: Girish Pathak <girish.pathak@arm.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
> ---
> EmbeddedPkg/EmbeddedPkg.dec | 1 +
> EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h | 182 ++++++++++++++++++++
> 2 files changed, 183 insertions(+)
>
> diff --git a/EmbeddedPkg/EmbeddedPkg.dec b/EmbeddedPkg/EmbeddedPkg.dec
> index 0be102ad9c767d81a004c757f40a65063aab1d7a..151b1d503dee463d529a173d2555b6c9208100e5 100644
> --- a/EmbeddedPkg/EmbeddedPkg.dec
> +++ b/EmbeddedPkg/EmbeddedPkg.dec
> @@ -69,6 +69,7 @@ [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 } }
> diff --git a/EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h b/EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h
> new file mode 100644
> index 0000000000000000000000000000000000000000..505052bd81afe7432e3122a2722ceab348777c29
> --- /dev/null
> +++ b/EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h
> @@ -0,0 +1,182 @@
> +/** @file
> +
> + Copyright (c) 2016-2017, 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, 0x2d1a, 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
> --
> Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")
>
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In
"Signal to the hardware that the End Of Intrrupt state has been reached." Intrrupt -> Interrupt
________________________________
From: edk2-devel <edk2-devel-bounces@lists.01.org> on behalf of Leif Lindholm <leif.lindholm@linaro.org>
Sent: 14 September 2017 17:42:24
To: Evan Lloyd
Cc: edk2-devel@lists.01.org; nd; Ard Biesheuvel
Subject: Re: [edk2] [PATCH 2/5] EmbeddedPkg: Introduce HardwareInterrupt2 protocol
On Mon, Sep 11, 2017 at 04:23:32PM +0100, evan.lloyd@arm.com wrote:
> From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>
> The existing HardwareInterrupt protocol lacks the means to configure
> the level/edge and polarity properties of an interrupt. So introduce a
> new protocol HardwareInterrupt2, and add some new members that allow
> manipulation of those properties.
>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Signed-off-by: Girish Pathak <girish.pathak@arm.com>
> Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
> Tested-by: Girish Pathak <girish.pathak@arm.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
> ---
> EmbeddedPkg/EmbeddedPkg.dec | 1 +
> EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h | 182 ++++++++++++++++++++
> 2 files changed, 183 insertions(+)
>
> diff --git a/EmbeddedPkg/EmbeddedPkg.dec b/EmbeddedPkg/EmbeddedPkg.dec
> index 0be102ad9c767d81a004c757f40a65063aab1d7a..151b1d503dee463d529a173d2555b6c9208100e5 100644
> --- a/EmbeddedPkg/EmbeddedPkg.dec
> +++ b/EmbeddedPkg/EmbeddedPkg.dec
> @@ -69,6 +69,7 @@ [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 } }
> diff --git a/EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h b/EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h
> new file mode 100644
> index 0000000000000000000000000000000000000000..505052bd81afe7432e3122a2722ceab348777c29
> --- /dev/null
> +++ b/EmbeddedPkg/Include/Protocol/HardwareInterrupt2.h
> @@ -0,0 +1,182 @@
> +/** @file
> +
> + Copyright (c) 2016-2017, 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, 0x2d1a, 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
> --
> Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")
>
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