summaryrefslogtreecommitdiff
path: root/drivers/isdn/hardware/eicon/diva_dma.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/isdn/hardware/eicon/diva_dma.h')
-rw-r--r--drivers/isdn/hardware/eicon/diva_dma.h48
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 000000000000..dff80724cdbd
--- /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