V4L/DVB: V4L2: sh_vou: VOU does support the full PAL resolution too
SH7724 datasheet specifies 480 pixels as the VOU maximum vertical resolution. This is a bug in the datasheet, VOU also supports the full PAL resolution: 576 lines. Adjust the driver accordingly. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -58,7 +58,7 @@ enum sh_vou_status {
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};
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#define VOU_MAX_IMAGE_WIDTH 720
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#define VOU_MAX_IMAGE_HEIGHT 480
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#define VOU_MAX_IMAGE_HEIGHT 576
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struct sh_vou_device {
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struct v4l2_device v4l2_dev;
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@ -528,20 +528,17 @@ struct sh_vou_geometry {
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static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std)
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{
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/* The compiler cannot know, that best and idx will indeed be set */
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unsigned int best_err = UINT_MAX, best = 0, width_max, height_max;
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unsigned int best_err = UINT_MAX, best = 0, img_height_max;
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int i, idx = 0;
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if (std & V4L2_STD_525_60) {
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width_max = 858;
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height_max = 262;
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} else {
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width_max = 864;
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height_max = 312;
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}
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if (std & V4L2_STD_525_60)
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img_height_max = 480;
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else
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img_height_max = 576;
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/* Image width must be a multiple of 4 */
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v4l_bound_align_image(&geo->in_width, 0, VOU_MAX_IMAGE_WIDTH, 2,
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&geo->in_height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0);
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&geo->in_height, 0, img_height_max, 1, 0);
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/* Select scales to come as close as possible to the output image */
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for (i = ARRAY_SIZE(vou_scale_h_num) - 1; i >= 0; i--) {
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@ -574,7 +571,7 @@ static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std)
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unsigned int found = geo->output.height * vou_scale_v_den[i] /
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vou_scale_v_num[i];
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if (found > VOU_MAX_IMAGE_HEIGHT)
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if (found > img_height_max)
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/* scales increase */
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break;
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@ -598,15 +595,18 @@ static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std)
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*/
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static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std)
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{
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unsigned int best_err = UINT_MAX, best, width_max, height_max;
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unsigned int best_err = UINT_MAX, best, width_max, height_max,
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img_height_max;
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int i, idx;
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if (std & V4L2_STD_525_60) {
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width_max = 858;
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height_max = 262 * 2;
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img_height_max = 480;
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} else {
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width_max = 864;
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height_max = 312 * 2;
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img_height_max = 576;
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}
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/* Select scales to come as close as possible to the output image */
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@ -645,7 +645,7 @@ static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std)
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unsigned int found = geo->in_height * vou_scale_v_num[i] /
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vou_scale_v_den[i];
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if (found > VOU_MAX_IMAGE_HEIGHT)
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if (found > img_height_max)
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/* scales increase */
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break;
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@ -674,6 +674,7 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv,
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struct video_device *vdev = video_devdata(file);
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struct sh_vou_device *vou_dev = video_get_drvdata(vdev);
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struct v4l2_pix_format *pix = &fmt->fmt.pix;
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unsigned int img_height_max;
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int pix_idx;
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struct sh_vou_geometry geo;
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struct v4l2_mbus_framefmt mbfmt = {
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@ -702,9 +703,14 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv,
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if (pix_idx == ARRAY_SIZE(vou_fmt))
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return -EINVAL;
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if (vou_dev->std & V4L2_STD_525_60)
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img_height_max = 480;
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else
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img_height_max = 576;
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/* Image width must be a multiple of 4 */
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v4l_bound_align_image(&pix->width, 0, VOU_MAX_IMAGE_WIDTH, 2,
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&pix->height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0);
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&pix->height, 0, img_height_max, 1, 0);
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geo.in_width = pix->width;
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geo.in_height = pix->height;
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@ -725,7 +731,7 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv,
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/* Sanity checks */
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if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH ||
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(unsigned)mbfmt.height > VOU_MAX_IMAGE_HEIGHT ||
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(unsigned)mbfmt.height > img_height_max ||
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mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8)
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return -EIO;
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@ -941,6 +947,7 @@ static int sh_vou_s_crop(struct file *file, void *fh, struct v4l2_crop *a)
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.field = V4L2_FIELD_INTERLACED,
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.colorspace = V4L2_COLORSPACE_SMPTE170M,
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};
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unsigned int img_height_max;
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int ret;
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dev_dbg(vou_dev->v4l2_dev.dev, "%s(): %ux%u@%u:%u\n", __func__,
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@ -949,14 +956,19 @@ static int sh_vou_s_crop(struct file *file, void *fh, struct v4l2_crop *a)
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if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
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return -EINVAL;
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if (vou_dev->std & V4L2_STD_525_60)
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img_height_max = 480;
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else
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img_height_max = 576;
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v4l_bound_align_image(&rect->width, 0, VOU_MAX_IMAGE_WIDTH, 1,
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&rect->height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0);
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&rect->height, 0, img_height_max, 1, 0);
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if (rect->width + rect->left > VOU_MAX_IMAGE_WIDTH)
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rect->left = VOU_MAX_IMAGE_WIDTH - rect->width;
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if (rect->height + rect->top > VOU_MAX_IMAGE_HEIGHT)
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rect->top = VOU_MAX_IMAGE_HEIGHT - rect->height;
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if (rect->height + rect->top > img_height_max)
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rect->top = img_height_max - rect->height;
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geo.output = *rect;
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geo.in_width = pix->width;
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@ -981,7 +993,7 @@ static int sh_vou_s_crop(struct file *file, void *fh, struct v4l2_crop *a)
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/* Sanity checks */
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if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH ||
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(unsigned)mbfmt.height > VOU_MAX_IMAGE_HEIGHT ||
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(unsigned)mbfmt.height > img_height_max ||
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mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8)
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return -EIO;
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@ -1330,13 +1342,13 @@ static int __devinit sh_vou_probe(struct platform_device *pdev)
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rect->left = 0;
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rect->top = 0;
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rect->width = VOU_MAX_IMAGE_WIDTH;
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rect->height = VOU_MAX_IMAGE_HEIGHT;
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rect->height = 480;
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pix->width = VOU_MAX_IMAGE_WIDTH;
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pix->height = VOU_MAX_IMAGE_HEIGHT;
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pix->height = 480;
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pix->pixelformat = V4L2_PIX_FMT_YVYU;
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pix->field = V4L2_FIELD_NONE;
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pix->bytesperline = VOU_MAX_IMAGE_WIDTH * 2;
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pix->sizeimage = VOU_MAX_IMAGE_WIDTH * 2 * VOU_MAX_IMAGE_HEIGHT;
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pix->sizeimage = VOU_MAX_IMAGE_WIDTH * 2 * 480;
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pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
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region = request_mem_region(reg_res->start, resource_size(reg_res),
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