Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / isdn / hardware / eicon / diva_dma.h

diff --git a/kernel/drivers/isdn/hardware/eicon/diva_dma.h b/kernel/drivers/isdn/hardware/eicon/diva_dma.h
new file mode 100644 (file)
index 0000000..d32c91b
--- /dev/null
+++ b/kernel/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