drv_gfx_dynamic_switch.c
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2007
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*****************************************************************************
*
* Filename:
* ---------
* drv_gfx_dynamic_switch.c
*
* Project:
* --------
* Maui
*
* Description:
* ------------
*
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
* removed!
*
* removed!
* removed!
* removed!
*
*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*============================================================================
****************************************************************************/
#include "kal_general_types.h"
#if defined(__DYNAMIC_SWITCH_CACHEABILITY__) && defined(__MTK_TARGET__)
#include "mmu.h"
#include "cache_sw.h"
#endif
kal_bool drv_gfx_dynamic_switch_cacheable(void *memoryAddrPtr, kal_uint32 memorySize, kal_bool forceCheck)
{
#if defined(__DYNAMIC_SWITCH_CACHEABILITY__) && defined(__MTK_TARGET__)
kal_uint32 memoryAddr = (kal_uint32)(*(kal_uint32 *)memoryAddrPtr);
if(KAL_TRUE == forceCheck)
{
if((IS_CACHE_LINE_SIZE_ALIGNED(memoryAddr)) &&
(IS_CACHE_LINE_SIZE_ALIGNED(memorySize)) &&
(is_predef_dyna_c_region(memoryAddr, memorySize)))
{
if(KAL_TRUE == INT_QueryIsNonCachedRAM(memoryAddr, memorySize))
{
dynamic_switch_cacheable_region((void*)memoryAddrPtr, memorySize, PAGE_CACHEABLE);
return KAL_TRUE;
}
}
}
else
{
dynamic_switch_cacheable_region((void*)memoryAddrPtr, memorySize, PAGE_CACHEABLE);
return KAL_TRUE;
}
#endif
return KAL_FALSE;
}
kal_bool drv_gfx_dynamic_switch_noncacheable(void *memoryAddrPtr, kal_uint32 memorySize, kal_bool forceCheck)
{
#if defined(__DYNAMIC_SWITCH_CACHEABILITY__) && defined(__MTK_TARGET__)
kal_uint32 memoryAddr = (kal_uint32)(*(kal_uint32 *)memoryAddrPtr);
if(KAL_TRUE == forceCheck)
{
if((IS_CACHE_LINE_SIZE_ALIGNED(memoryAddr)) &&
(IS_CACHE_LINE_SIZE_ALIGNED(memorySize)) &&
(is_predef_dyna_c_region(memoryAddr, memorySize)))
{
if(KAL_TRUE == INT_QueryIsCachedRAM(memoryAddr, memorySize))
{
dynamic_switch_cacheable_region((void*)memoryAddrPtr, memorySize, PAGE_NO_CACHE);
return KAL_TRUE;
}
}
}
else
{
dynamic_switch_cacheable_region((void*)memoryAddrPtr, memorySize, PAGE_NO_CACHE);
return KAL_TRUE;
}
#endif
return KAL_FALSE;
}