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Diffstat (limited to 'drivers/isdn/hardware/eicon/diva_dma.c')
-rw-r--r--drivers/isdn/hardware/eicon/diva_dma.c94
1 files changed, 0 insertions, 94 deletions
diff --git a/drivers/isdn/hardware/eicon/diva_dma.c b/drivers/isdn/hardware/eicon/diva_dma.c
deleted file mode 100644
index 217b6aa9f612..000000000000
--- a/drivers/isdn/hardware/eicon/diva_dma.c
+++ /dev/null
@@ -1,94 +0,0 @@
-
-/*
- *
- 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.
- *
- */
-#include "platform.h"
-#include "diva_dma.h"
-/*
- Every entry has length of PAGE_SIZE
- and represents one single physical page
-*/
-struct _diva_dma_map_entry {
- int busy;
- dword phys_bus_addr; /* 32bit address as seen by the card */
- void *local_ram_addr; /* local address as seen by the host */
- void *addr_handle; /* handle uset to free allocated memory */
-};
-/*
- Create local mapping structure and init it to default state
-*/
-struct _diva_dma_map_entry *diva_alloc_dma_map(void *os_context, int nentries) {
- diva_dma_map_entry_t *pmap = diva_os_malloc(0, sizeof(*pmap) * (nentries + 1));
- if (pmap)
- memset(pmap, 0, sizeof(*pmap) * (nentries + 1));
- return pmap;
-}
-/*
- Free local map (context should be freed before) if any
-*/
-void diva_free_dma_mapping(struct _diva_dma_map_entry *pmap) {
- if (pmap) {
- diva_os_free(0, pmap);
- }
-}
-/*
- Set information saved on the map entry
-*/
-void diva_init_dma_map_entry(struct _diva_dma_map_entry *pmap,
- int nr, void *virt, dword phys,
- void *addr_handle) {
- pmap[nr].phys_bus_addr = phys;
- pmap[nr].local_ram_addr = virt;
- pmap[nr].addr_handle = addr_handle;
-}
-/*
- Allocate one single entry in the map
-*/
-int diva_alloc_dma_map_entry(struct _diva_dma_map_entry *pmap) {
- int i;
- for (i = 0; (pmap && pmap[i].local_ram_addr); i++) {
- if (!pmap[i].busy) {
- pmap[i].busy = 1;
- return (i);
- }
- }
- return (-1);
-}
-/*
- Free one single entry in the map
-*/
-void diva_free_dma_map_entry(struct _diva_dma_map_entry *pmap, int nr) {
- pmap[nr].busy = 0;
-}
-/*
- Get information saved on the map entry
-*/
-void diva_get_dma_map_entry(struct _diva_dma_map_entry *pmap, int nr,
- void **pvirt, dword *pphys) {
- *pphys = pmap[nr].phys_bus_addr;
- *pvirt = pmap[nr].local_ram_addr;
-}
-void *diva_get_entry_handle(struct _diva_dma_map_entry *pmap, int nr) {
- return (pmap[nr].addr_handle);
-}