[media] adv7180: add more subdev video ops

Add subdev video ops for ADV7180 video decoder.  This makes decoder usable on
the soc-camera drivers.
[Sergei: renamed adv7180_try_mbus_fmt() to adv7180_mbus_fmt().]

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index 04ee1d4a4b93304da356ba3119981a52c3fd59b8..11f13a83a64b1a319243f9c2364dfde488c8edde 100644 (file)
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -1,6 +1,8 @@
 /*
  * adv7180.c Analog Devices ADV7180 video decoder driver
  * Copyright (c) 2009 Intel Corporation
+ * Copyright (C) 2013 Cogent Embedded, Inc.
+ * Copyright (C) 2013 Renesas Solutions Corp.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -397,10 +399,54 @@ static void adv7180_exit_controls(struct adv7180_state *state)
        v4l2_ctrl_handler_free(&state->ctrl_hdl);
 }
 
+static int adv7180_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned int index,
+                                enum v4l2_mbus_pixelcode *code)
+{
+       if (index > 0)
+               return -EINVAL;
+
+       *code = V4L2_MBUS_FMT_YUYV8_2X8;
+
+       return 0;
+}
+
+static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
+                           struct v4l2_mbus_framefmt *fmt)
+{
+       struct adv7180_state *state = to_state(sd);
+
+       fmt->code = V4L2_MBUS_FMT_YUYV8_2X8;
+       fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
+       fmt->field = V4L2_FIELD_INTERLACED;
+       fmt->width = 720;
+       fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
+
+       return 0;
+}
+
+static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
+                                struct v4l2_mbus_config *cfg)
+{
+       /*
+        * The ADV7180 sensor supports BT.601/656 output modes.
+        * The BT.656 is default and not yet configurable by s/w.
+        */
+       cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
+                    V4L2_MBUS_DATA_ACTIVE_HIGH;
+       cfg->type = V4L2_MBUS_BT656;
+
+       return 0;
+}
+
 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
        .querystd = adv7180_querystd,
        .g_input_status = adv7180_g_input_status,
        .s_routing = adv7180_s_routing,
+       .enum_mbus_fmt = adv7180_enum_mbus_fmt,
+       .try_mbus_fmt = adv7180_mbus_fmt,
+       .g_mbus_fmt = adv7180_mbus_fmt,
+       .s_mbus_fmt = adv7180_mbus_fmt,
+       .g_mbus_config = adv7180_g_mbus_config,
 };
 
 static const struct v4l2_subdev_core_ops adv7180_core_ops = {