diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/diva_dma.h')
| -rw-r--r-- | drivers/isdn/hardware/eicon/diva_dma.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/eicon/diva_dma.h b/drivers/isdn/hardware/eicon/diva_dma.h new file mode 100644 index 00000000..d32c91be --- /dev/null +++ b/drivers/isdn/hardware/eicon/diva_dma.h @@ -0,0 +1,48 @@ + +/* + * + 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 |