Release 4.7 drivers/isdn/hardware/eicon/diva_dma.h
/*
*
Copyright (c) Eicon Networks, 2002.
*
This source file is supplied for the use with
Eicon Networks range of DIVA Server Adapters.
*
Eicon File Revision : 2.1
*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
*
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
*
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __DIVA_DMA_MAPPING_IFC_H__
#define __DIVA_DMA_MAPPING_IFC_H__
typedef struct _diva_dma_map_entry diva_dma_map_entry_t;
struct _diva_dma_map_entry *diva_alloc_dma_map(void *os_context, int nentries);
void diva_init_dma_map_entry(struct _diva_dma_map_entry *pmap,
int nr, void *virt, dword phys,
void *addr_handle);
int diva_alloc_dma_map_entry(struct _diva_dma_map_entry *pmap);
void diva_free_dma_map_entry(struct _diva_dma_map_entry *pmap, int entry);
void diva_get_dma_map_entry(struct _diva_dma_map_entry *pmap, int nr,
void **pvirt, dword *pphys);
void diva_free_dma_mapping(struct _diva_dma_map_entry *pmap);
/*
Functionality to be implemented by OS wrapper
and running in process context
*/
void diva_init_dma_map(void *hdev,
struct _diva_dma_map_entry **ppmap,
int nentries);
void diva_free_dma_map(void *hdev,
struct _diva_dma_map_entry *pmap);
void *diva_get_entry_handle(struct _diva_dma_map_entry *pmap, int nr);
#endif
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