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be0524d38f
This is i.MX BSP 5.0.0 release ported to 2.6.31 Signed-off-by: Rob Herring <r.herring@freescale.com> Signed-off-by: Alan Tull <r80115@freescale.com> Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* Copyright 2004-2008 Freescale Semiconductor, Inc. All Rights Reserved.
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*/
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/*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/**
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* @file sah_memory_mapper.h
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*
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* @brief Re-creates SAHARA data structures in Kernel memory such that they are
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* suitable for DMA.
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*
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*/
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#ifndef SAH_MEMORY_MAPPER_H
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#define SAH_MEMORY_MAPPER_H
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#include <sah_driver_common.h>
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#include <sah_queue_manager.h>
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/******************************************************************************
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* External function declarations
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******************************************************************************/
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sah_Head_Desc *sah_Copy_Descriptors(fsl_shw_uco_t * user_ctx,
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sah_Head_Desc * desc);
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sah_Link *sah_Copy_Links(fsl_shw_uco_t * user_ctx, sah_Link * ptr);
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sah_Head_Desc *sah_Physicalise_Descriptors(sah_Head_Desc * desc);
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sah_Link *sah_Physicalise_Links (sah_Link *ptr);
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sah_Head_Desc *sah_DePhysicalise_Descriptors (sah_Head_Desc *desc);
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sah_Link *sah_DePhysicalise_Links (sah_Link *ptr);
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sah_Link *sah_Make_Links(fsl_shw_uco_t * user_ctx,
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sah_Link * ptr, sah_Link ** tail);
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void sah_Destroy_Descriptors (sah_Head_Desc *desc);
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void sah_Destroy_Links (sah_Link *link);
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void sah_Free_Chained_Descriptors (sah_Head_Desc *desc);
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void sah_Free_Chained_Links (sah_Link *link);
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int sah_Init_Mem_Map (void);
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void sah_Stop_Mem_Map (void);
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int sah_Block_Add_Page (int big);
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sah_Desc *sah_Alloc_Descriptor (void);
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sah_Head_Desc *sah_Alloc_Head_Descriptor (void);
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void sah_Free_Descriptor (sah_Desc *desc);
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void sah_Free_Head_Descriptor (sah_Head_Desc *desc);
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sah_Link *sah_Alloc_Link (void);
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void sah_Free_Link (sah_Link *link);
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void *wire_user_memory(void *address, uint32_t length, void **page_ctx);
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void unwire_user_memory(void **page_ctx);
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os_error_code map_user_memory(struct vm_area_struct *vma,
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uint32_t physical_addr, uint32_t size);
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os_error_code unmap_user_memory(uint32_t user_addr, uint32_t size);
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#endif /* SAH_MEMORY_MAPPER_H */
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/* End of sah_memory_mapper.h */
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