Import sources from 2011-03-30 iso image

1 files changed, 82 insertions, 0 deletions

diff --git a/sys/src/cmd/aux/vga/s3hwgc.c b/sys/src/cmd/aux/vga/s3hwgc.c
new file mode 100755
index 000000000..d0ec22920
--- /dev/null
+++ b/sys/src/cmd/aux/vga/s3hwgc.c
@@ -0,0 +1,82 @@
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+
+#include "pci.h"
+#include "vga.h"
+
+static void
+init(Vga* vga, Ctlr* ctlr)
+{
+	ctlr->flag |= Finit;
+
+	if(cflag)
+		return;
+	/*
+	 * Use of the on-chip hwgc requires using enhanced mode.
+	 */
+	if(vga->ctlr == 0 || (vga->ctlr->flag & Henhanced) == 0 || vga->mode->z < 8){
+		cflag = 1;
+		return;
+	}
+	resyncinit(vga, ctlr, Uenhanced, 0);
+}
+
+static void
+load(Vga* vga, Ctlr* ctlr)
+{
+	ctlr->flag |= Fload;
+
+	if(cflag)
+		return;
+	/*
+	 * Use of the on-chip hwgc requires using enhanced mode.
+	 */
+	if(vga->ctlr == 0 || (vga->ctlr->flag & Uenhanced) == 0 || vga->mode->z < 8)
+		cflag = 1;
+}
+
+Ctlr bt485hwgc = {
+	"bt485hwgc",			/* name */
+	0,				/* snarf */
+	0,				/* options */
+	0,				/* init */
+	0,				/* load */
+	0,				/* dump */
+};
+
+Ctlr rgb524hwgc = {
+	"rgb524hwgc",			/* name */
+	0,				/* snarf */
+	0,				/* options */
+	0,				/* init */
+	0,				/* load */
+	0,				/* dump */
+};
+
+Ctlr s3hwgc = {
+	"s3hwgc",			/* name */
+	0,				/* snarf */
+	0,				/* options */
+	init,				/* init */
+	load,				/* load */
+	0,				/* dump */
+};
+
+Ctlr tvp3020hwgc = {
+	"tvp3020hwgc",			/* name */
+	0,				/* snarf */
+	0,				/* options */
+	0,				/* init */
+	0,				/* load */
+	0,				/* dump */
+};
+
+Ctlr tvp3026hwgc = {
+	"tvp3026hwgc",			/* name */
+	0,				/* snarf */
+	0,				/* options */
+	0,				/* init */
+	0,				/* load */
+	0,				/* dump */
+};