1 files changed, 8 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/ctvmem.h b/sound/pci/ctxfi/ctvmem.h
index 618952efa5b3..17d2d37a9ea7 100644
--- a/sound/pci/ctxfi/ctvmem.h
+++ b/sound/pci/ctxfi/ctvmem.h
@@ -23,6 +23,14 @@
 #include <linux/mutex.h>
 #include <linux/list.h>
 
+/* The chip can handle the page table of 4k pages
+ * (emu20k1 can handle even 8k pages, but we don't use it right now)
+ */
+#define CT_PAGE_SIZE    4096
+#define CT_PAGE_SHIFT   12
+#define CT_PAGE_MASK    (~(PAGE_SIZE - 1))
+#define CT_PAGE_ALIGN(addr)     ALIGN(addr, CT_PAGE_SIZE)
+
 struct ct_vm_block {
         unsigned int addr;      /* starting logical addr of this block */
         unsigned int size;      /* size of this device virtual mem block */