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authorMiguel Freitas <miguelfreitas@users.sourceforge.net>2003-01-13 23:36:01 +0000
committerMiguel Freitas <miguelfreitas@users.sourceforge.net>2003-01-13 23:36:01 +0000
commit9baa6d2f372d3e09280e1103d7bfcf048f6457ec (patch)
treecf3bfc3fb392fe58ed612a5a09c11d176eb17e99 /src/video_out/libdha/mmi.c
parent989188f25474868841d8a5148873a5995be58c6f (diff)
downloadxine-lib-9baa6d2f372d3e09280e1103d7bfcf048f6457ec.tar.gz
xine-lib-9baa6d2f372d3e09280e1103d7bfcf048f6457ec.tar.bz2
big vidix driver update by James Stembridge
CVS patchset: 3907 CVS date: 2003/01/13 23:36:01
Diffstat (limited to 'src/video_out/libdha/mmi.c')
-rw-r--r--src/video_out/libdha/mmi.c50
1 files changed, 49 insertions, 1 deletions
diff --git a/src/video_out/libdha/mmi.c b/src/video_out/libdha/mmi.c
index 68d3429f2..5fb1531be 100644
--- a/src/video_out/libdha/mmi.c
+++ b/src/video_out/libdha/mmi.c
@@ -1,6 +1,7 @@
/* Memory manager interface */
#include <stdio.h>
#include <sys/ioctl.h>
+#include <sys/mman.h> /* mlock */
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
@@ -9,7 +10,7 @@
static int libdha_fd=-1;
-#define ALLOWED_VER 2
+#define ALLOWED_VER 0x10
int bm_open( void )
{
int retv;
@@ -55,3 +56,50 @@ int bm_virt_to_bus( void * virt_addr, unsigned long length, unsigned long * barr
if(libdha_fd > 0) return ioctl(libdha_fd,DHAHELPER_VIRT_TO_BUS,&vmi);
return ENXIO;
}
+
+void * bm_alloc_pa( unsigned long length )
+{
+ dhahelper_mem_t vmi;
+ vmi.length = length;
+ if(libdha_fd > 0)
+ {
+ if(ioctl(libdha_fd,DHAHELPER_ALLOC_PA,&vmi) == 0)
+ return vmi.addr;
+ }
+ return 0;
+}
+
+void bm_free_pa( void * virt_addr, unsigned long length )
+{
+ dhahelper_mem_t vmi;
+ vmi.addr = virt_addr;
+ vmi.length = length;
+ if(libdha_fd > 0)
+ {
+ ioctl(libdha_fd,DHAHELPER_FREE_PA,&vmi);
+ }
+}
+
+int bm_lock_mem( const void *addr, unsigned long length )
+{
+ dhahelper_mem_t vmi;
+ vmi.addr = (void *) addr;
+ vmi.length = length;
+ if(libdha_fd > 0)
+ {
+ return ioctl(libdha_fd,DHAHELPER_LOCK_MEM,&vmi);
+ }
+ return mlock(addr,length);
+}
+
+int bm_unlock_mem( const void * addr, unsigned long length )
+{
+ dhahelper_mem_t vmi;
+ vmi.addr = (void *) addr;
+ vmi.length = length;
+ if(libdha_fd > 0)
+ {
+ return ioctl(libdha_fd,DHAHELPER_UNLOCK_MEM,&vmi);
+ }
+ return munlock(addr,length);
+}