[media] davinci vpbe: VENC( Video Encoder) implementation

This patch adds the VENC or the Video encoder, which is responsible
for the blending of all source planes and timing generation for Video
modes like NTSC, PAL and other digital outputs. the VENC implementation
currently supports COMPOSITE and COMPONENT outputs and NTSC and PAL
resolutions through the analog DACs. The venc block is implemented
as a subdevice, allowing for additional external and internal encoders
of other kind to plug-in.

Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Acked-by: Muralidharan Karicheri <m-karicheri2@ti.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/include/media/davinci/vpbe_venc.h b/include/media/davinci/vpbe_venc.h
new file mode 100644
index 0000000..426c205
--- /dev/null
+++ b/include/media/davinci/vpbe_venc.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2010 Texas Instruments Inc
+ *
+ * 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 version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef _VPBE_VENC_H
+#define _VPBE_VENC_H
+
+#include <media/v4l2-subdev.h>
+#include <media/davinci/vpbe_types.h>
+
+#define VPBE_VENC_SUBDEV_NAME "vpbe-venc"
+
+/* venc events */
+#define VENC_END_OF_FRAME	BIT(0)
+#define VENC_FIRST_FIELD	BIT(1)
+#define VENC_SECOND_FIELD	BIT(2)
+
+struct venc_platform_data {
+	enum vpbe_version venc_type;
+	int (*setup_clock)(enum vpbe_enc_timings_type type,
+			   unsigned int mode);
+	/* Number of LCD outputs supported */
+	int num_lcd_outputs;
+};
+
+enum venc_ioctls {
+	VENC_GET_FLD = 1,
+};
+
+/* exported functions */
+struct v4l2_subdev *venc_sub_dev_init(struct v4l2_device *v4l2_dev,
+		const char *venc_name);
+#endif