V4L/DVB: saa717x: add support for s_mbus_fmt

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/saa717x.c b/drivers/media/video/saa717x.c
index d521c64..422a3e2 100644 (file)
--- a/drivers/media/video/saa717x.c
+++ b/drivers/media/video/saa717x.c
@@ -1199,28 +1199,32 @@ static int saa717x_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
 }
 #endif
 
-static int saa717x_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
+static int saa717x_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt)
 {
-       struct v4l2_pix_format *pix;
        int prescale, h_scale, v_scale;
 
-       pix = &fmt->fmt.pix;
        v4l2_dbg(1, debug, sd, "decoder set size\n");
 
+       if (fmt->code != V4L2_MBUS_FMT_FIXED)
+               return -EINVAL;
+
        /* FIXME need better bounds checking here */
-       if (pix->width < 1 || pix->width > 1440)
+       if (fmt->width < 1 || fmt->width > 1440)
                return -EINVAL;
-       if (pix->height < 1 || pix->height > 960)
+       if (fmt->height < 1 || fmt->height > 960)
                return -EINVAL;
 
+       fmt->field = V4L2_FIELD_INTERLACED;
+       fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
+
        /* scaling setting */
        /* NTSC and interlace only */
-       prescale = SAA717X_NTSC_WIDTH / pix->width;
+       prescale = SAA717X_NTSC_WIDTH / fmt->width;
        if (prescale == 0)
                prescale = 1;
-       h_scale = 1024 * SAA717X_NTSC_WIDTH / prescale / pix->width;
+       h_scale = 1024 * SAA717X_NTSC_WIDTH / prescale / fmt->width;
        /* interlace */
-       v_scale = 512 * 2 * SAA717X_NTSC_HEIGHT / pix->height;
+       v_scale = 512 * 2 * SAA717X_NTSC_HEIGHT / fmt->height;
 
        /* Horizontal prescaling etc */
        set_h_prescale(sd, 0, prescale);
@@ -1241,22 +1245,32 @@ static int saa717x_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
        /* set video output size */
        /* video number of pixels at output */
        /* TASK A */
-       saa717x_write(sd, 0x5C, (u8)(pix->width & 0xFF));
-       saa717x_write(sd, 0x5D, (u8)((pix->width >> 8) & 0xFF));
+       saa717x_write(sd, 0x5C, (u8)(fmt->width & 0xFF));
+       saa717x_write(sd, 0x5D, (u8)((fmt->width >> 8) & 0xFF));
        /* TASK B */
-       saa717x_write(sd, 0x9C, (u8)(pix->width & 0xFF));
-       saa717x_write(sd, 0x9D, (u8)((pix->width >> 8) & 0xFF));
+       saa717x_write(sd, 0x9C, (u8)(fmt->width & 0xFF));
+       saa717x_write(sd, 0x9D, (u8)((fmt->width >> 8) & 0xFF));
 
        /* video number of lines at output */
        /* TASK A */
-       saa717x_write(sd, 0x5E, (u8)(pix->height & 0xFF));
-       saa717x_write(sd, 0x5F, (u8)((pix->height >> 8) & 0xFF));
+       saa717x_write(sd, 0x5E, (u8)(fmt->height & 0xFF));
+       saa717x_write(sd, 0x5F, (u8)((fmt->height >> 8) & 0xFF));
        /* TASK B */
-       saa717x_write(sd, 0x9E, (u8)(pix->height & 0xFF));
-       saa717x_write(sd, 0x9F, (u8)((pix->height >> 8) & 0xFF));
+       saa717x_write(sd, 0x9E, (u8)(fmt->height & 0xFF));
+       saa717x_write(sd, 0x9F, (u8)((fmt->height >> 8) & 0xFF));
        return 0;
 }
 
+static int saa717x_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
+{
+       struct v4l2_mbus_framefmt mbus_fmt;
+
+       mbus_fmt.width = fmt->fmt.pix.width;
+       mbus_fmt.height = fmt->fmt.pix.height;
+       mbus_fmt.code = V4L2_MBUS_FMT_FIXED;
+       return saa717x_s_mbus_fmt(sd, &mbus_fmt);
+}
+
 static int saa717x_s_radio(struct v4l2_subdev *sd)
 {
        struct saa717x_state *decoder = to_state(sd);
@@ -1404,6 +1418,7 @@ static const struct v4l2_subdev_tuner_ops saa717x_tuner_ops = {
 static const struct v4l2_subdev_video_ops saa717x_video_ops = {
        .s_routing = saa717x_s_video_routing,
        .s_fmt = saa717x_s_fmt,
+       .s_mbus_fmt = saa717x_s_mbus_fmt,
        .s_stream = saa717x_s_stream,
 };