diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/platform/sh_vou.c | 86 |
1 files changed, 40 insertions, 46 deletions
diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c index 9479c4429e97..079910d7062f 100644 --- a/drivers/media/platform/sh_vou.c +++ b/drivers/media/platform/sh_vou.c @@ -673,34 +673,19 @@ static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std) vou_scale_v_num[idx_v], vou_scale_v_den[idx_v], best); } -static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, - struct v4l2_format *fmt) +static int sh_vou_try_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *fmt) { struct sh_vou_device *vou_dev = video_drvdata(file); struct v4l2_pix_format *pix = &fmt->fmt.pix; unsigned int img_height_max; int pix_idx; - struct sh_vou_geometry geo; - struct v4l2_subdev_format format = { - .which = V4L2_SUBDEV_FORMAT_ACTIVE, - /* Revisit: is this the correct code? */ - .format.code = MEDIA_BUS_FMT_YUYV8_2X8, - .format.field = V4L2_FIELD_INTERLACED, - .format.colorspace = V4L2_COLORSPACE_SMPTE170M, - }; - struct v4l2_mbus_framefmt *mbfmt = &format.format; - int ret; - - dev_dbg(vou_dev->v4l2_dev.dev, "%s(): %ux%u -> %ux%u\n", __func__, - vou_dev->rect.width, vou_dev->rect.height, - pix->width, pix->height); - if (pix->field == V4L2_FIELD_ANY) - pix->field = V4L2_FIELD_NONE; + dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); - if (fmt->type != V4L2_BUF_TYPE_VIDEO_OUTPUT || - pix->field != V4L2_FIELD_NONE) - return -EINVAL; + pix->field = V4L2_FIELD_INTERLACED; + pix->colorspace = V4L2_COLORSPACE_SMPTE170M; + pix->ycbcr_enc = pix->quantization = 0; for (pix_idx = 0; pix_idx < ARRAY_SIZE(vou_fmt); pix_idx++) if (vou_fmt[pix_idx].pfmt == pix->pixelformat) @@ -714,9 +699,37 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, else img_height_max = 576; - /* Image width must be a multiple of 4 */ v4l_bound_align_image(&pix->width, 0, VOU_MAX_IMAGE_WIDTH, 2, &pix->height, 0, img_height_max, 1, 0); + pix->bytesperline = pix->width * 2; + + return 0; +} + +static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *fmt) +{ + struct sh_vou_device *vou_dev = video_drvdata(file); + struct v4l2_pix_format *pix = &fmt->fmt.pix; + unsigned int img_height_max; + struct sh_vou_geometry geo; + struct v4l2_subdev_format format = { + .which = V4L2_SUBDEV_FORMAT_ACTIVE, + /* Revisit: is this the correct code? */ + .format.code = MEDIA_BUS_FMT_YUYV8_2X8, + .format.field = V4L2_FIELD_INTERLACED, + .format.colorspace = V4L2_COLORSPACE_SMPTE170M, + }; + struct v4l2_mbus_framefmt *mbfmt = &format.format; + int ret = sh_vou_try_fmt_vid_out(file, priv, fmt); + int pix_idx; + + if (ret) + return ret; + + for (pix_idx = 0; pix_idx < ARRAY_SIZE(vou_fmt); pix_idx++) + if (vou_fmt[pix_idx].pfmt == pix->pixelformat) + break; geo.in_width = pix->width; geo.in_height = pix->height; @@ -735,6 +748,11 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, dev_dbg(vou_dev->v4l2_dev.dev, "%s(): %ux%u -> %ux%u\n", __func__, geo.output.width, geo.output.height, mbfmt->width, mbfmt->height); + if (vou_dev->std & V4L2_STD_525_60) + img_height_max = 480; + else + img_height_max = 576; + /* Sanity checks */ if ((unsigned)mbfmt->width > VOU_MAX_IMAGE_WIDTH || (unsigned)mbfmt->height > img_height_max || @@ -767,30 +785,6 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, return 0; } -static int sh_vou_try_fmt_vid_out(struct file *file, void *priv, - struct v4l2_format *fmt) -{ - struct sh_vou_device *vou_dev = video_drvdata(file); - struct v4l2_pix_format *pix = &fmt->fmt.pix; - int i; - - dev_dbg(vou_dev->v4l2_dev.dev, "%s()\n", __func__); - - fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - pix->field = V4L2_FIELD_NONE; - - v4l_bound_align_image(&pix->width, 0, VOU_MAX_IMAGE_WIDTH, 1, - &pix->height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0); - - for (i = 0; i < ARRAY_SIZE(vou_fmt); i++) - if (vou_fmt[i].pfmt == pix->pixelformat) - return 0; - - pix->pixelformat = vou_fmt[0].pfmt; - - return 0; -} - static int sh_vou_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *req) { |