/*************************************************************************/ /*!
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@File
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@License Dual MIT/GPLv2
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The contents of this file are subject to the MIT license as set out below.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 ("GPL") in which case the provisions
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of GPL are applicable instead of those above.
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If you wish to allow use of your version of this file only under the terms of
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GPL, and not to allow others to use your version of this file under the terms
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of the MIT license, indicate your decision by deleting the provisions above
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and replace them with the notice and other provisions required by GPL as set
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out in the file called "GPL-COPYING" included in this distribution. If you do
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not delete the provisions above, a recipient may use your version of this file
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under the terms of either the MIT license or GPL.
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This License is also included in this distribution in the file called
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"MIT-COPYING".
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EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/ /**************************************************************************/
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#if !defined(__INTERRUPT_SUPPORT_H__)
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#define __INTERRUPT_SUPPORT_H__
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#include "img_types.h"
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#include "pvrsrv_error.h"
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#include "pvrsrv_device.h"
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#define SYS_IRQ_FLAG_TRIGGER_DEFAULT (0x0 << 0)
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#define SYS_IRQ_FLAG_TRIGGER_LOW (0x1 << 0)
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#define SYS_IRQ_FLAG_TRIGGER_HIGH (0x2 << 0)
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#define SYS_IRQ_FLAG_TRIGGER_MASK (SYS_IRQ_FLAG_TRIGGER_DEFAULT | \
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SYS_IRQ_FLAG_TRIGGER_LOW | \
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SYS_IRQ_FLAG_TRIGGER_HIGH)
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#define SYS_IRQ_FLAG_SHARED (0x1 << 8)
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#define SYS_IRQ_FLAG_MASK (SYS_IRQ_FLAG_TRIGGER_MASK | \
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SYS_IRQ_FLAG_SHARED)
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typedef IMG_BOOL (*PFN_SYS_LISR)(void *pvData);
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typedef struct _SYS_INTERRUPT_DATA_
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{
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void *psSysData;
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const IMG_CHAR *pszName;
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PFN_SYS_LISR pfnLISR;
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void *pvData;
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IMG_UINT32 ui32InterruptFlag;
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#if defined(SUPPORT_PVRSRV_GPUVIRT)
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IMG_UINT32 ui32IRQ;
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#endif
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} SYS_INTERRUPT_DATA;
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/*************************************************************************/ /*!
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@Function OSInstallSystemLISR
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@Description Installs a system low-level interrupt handler
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@Output phLISR On return, contains a handle to the
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installed LISR
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@Input ui32IRQ The IRQ number for which the
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interrupt handler should be installed
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@Input pszDevName Name of the device for which the handler
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is being installed
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@Input pfnLISR A pointer to an interrupt handler
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function
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@Input pvData A pointer to data that should be passed
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to pfnLISR when it is called
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@Input ui32Flags Interrupt flags
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@Return PVRSRV_OK on success, a failure code otherwise
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*/ /**************************************************************************/
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PVRSRV_ERROR OSInstallSystemLISR(IMG_HANDLE *phLISR,
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IMG_UINT32 ui32IRQ,
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const IMG_CHAR *pszDevName,
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PFN_SYS_LISR pfnLISR,
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void *pvData,
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IMG_UINT32 ui32Flags);
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/*************************************************************************/ /*!
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@Function OSUninstallSystemLISR
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@Description Uninstalls a system low-level interrupt handler
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@Input hLISRData The handle to the LISR to uninstall
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@Return PVRSRV_OK on success, a failure code otherwise
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*/ /**************************************************************************/
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PVRSRV_ERROR OSUninstallSystemLISR(IMG_HANDLE hLISRData);
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#endif /* !defined(__INTERRUPT_SUPPORT_H__) */
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