[media] davinci vpbe: add dm365 VPBE display driver changes

This patch implements the core additions to the display driver,
mainly controlling the VENC and other encoders for dm365.
This patch also includes addition of amplifier subdevice to the
vpbe driver and interfacing with venc subdevice.

Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

include/media/davinci/vpbe.h

@@ -63,6 +63,7 @@ struct vpbe_output {
 	 * output basis. If per mode is needed, we may have to move this to
 	 * mode_info structure
 	 */
+	enum v4l2_mbus_pixelcode if_params;
 };
 
 /* encoder configuration info */
@@ -74,6 +75,15 @@ struct encoder_config_info {
 	struct i2c_board_info board_info;
 };
 
+/*amplifier configuration info */
+struct amp_config_info {
+	char module_name[32];
+	/* Is this an i2c device ? */
+	unsigned int is_i2c:1;
+	/* i2c subdevice board info */
+	struct i2c_board_info board_info;
+};
+
 /* structure for defining vpbe display subsystem components */
 struct vpbe_config {
 	char module_name[32];
@@ -84,6 +94,8 @@ struct vpbe_config {
 	/* external encoder information goes here */
 	int num_ext_encoders;
 	struct encoder_config_info *ext_encoders;
+	/* amplifier information goes here */
+	struct amp_config_info *amp;
 	int num_outputs;
 	/* Order is venc outputs followed by LCD and then external encoders */
 	struct vpbe_output *outputs;
@@ -158,6 +170,8 @@ struct vpbe_device {
 	struct v4l2_subdev **encoders;
 	/* current encoder index */
 	int current_sd_index;
+	/* external amplifier v4l2 subdevice */
+	struct v4l2_subdev *amp;
 	struct mutex lock;
 	/* device initialized */
 	int initialized;
@@ -165,6 +179,8 @@ struct vpbe_device {
 	struct clk *dac_clk;
 	/* osd_device pointer */
 	struct osd_state *osd_device;
+	/* venc device pointer */
+	struct venc_platform_data *venc_device;
 	/*
 	 * fields below are accessed by users of vpbe_device. Not the
 	 * ones above