1 files changed, 20 insertions, 0 deletions
diff --git a/os/js/cs4231.h b/os/js/cs4231.h
new file mode 100644
index 00000000..daeda1b8
--- /dev/null
+++ b/os/js/cs4231.h
@@ -0,0 +1,20 @@
+#define IN(x)		inb(csdev.port+(x))
+#define OUT(x,v)	outb(csdev.port+(x),(v))
+
+void
+cs4231install(void)
+{
+	KMap *k;
+	static int installed=0;
+
+	if(installed)
+		return;
+
+	k = kmappa(AUDIO_PHYS_PAGE, PTEIO|PTENOCACHE);
+
+	csdev.port = VA(k)+AUDIO_INDEX_OFFSET;
+	dmasize(Wdma, 8);
+	dmasize(Rdma, 8);
+
+	installed=1;
+}