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>
diff --git a/drivers/media/video/sh_vou.c b/drivers/media/video/sh_vou.c
index 3869d51..d394187 100644
--- a/drivers/media/video/sh_vou.c
+++ b/drivers/media/video/sh_vou.c
@@ -58,7 +58,7 @@
};
#define VOU_MAX_IMAGE_WIDTH 720
-#define VOU_MAX_IMAGE_HEIGHT 480
+#define VOU_MAX_IMAGE_HEIGHT 576
struct sh_vou_device {
struct v4l2_device v4l2_dev;
@@ -528,20 +528,17 @@
static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std)
{
/* The compiler cannot know, that best and idx will indeed be set */
- unsigned int best_err = UINT_MAX, best = 0, width_max, height_max;
+ unsigned int best_err = UINT_MAX, best = 0, img_height_max;
int i, idx = 0;
- if (std & V4L2_STD_525_60) {
- width_max = 858;
- height_max = 262;
- } else {
- width_max = 864;
- height_max = 312;
- }
+ if (std & V4L2_STD_525_60)
+ img_height_max = 480;
+ else
+ img_height_max = 576;
/* Image width must be a multiple of 4 */
v4l_bound_align_image(&geo->in_width, 0, VOU_MAX_IMAGE_WIDTH, 2,
- &geo->in_height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0);
+ &geo->in_height, 0, img_height_max, 1, 0);
/* Select scales to come as close as possible to the output image */
for (i = ARRAY_SIZE(vou_scale_h_num) - 1; i >= 0; i--) {
@@ -574,7 +571,7 @@
unsigned int found = geo->output.height * vou_scale_v_den[i] /
vou_scale_v_num[i];
- if (found > VOU_MAX_IMAGE_HEIGHT)
+ if (found > img_height_max)
/* scales increase */
break;
@@ -598,15 +595,18 @@
*/
static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std)
{
- unsigned int best_err = UINT_MAX, best, width_max, height_max;
+ unsigned int best_err = UINT_MAX, best, width_max, height_max,
+ img_height_max;
int i, idx;
if (std & V4L2_STD_525_60) {
width_max = 858;
height_max = 262 * 2;
+ img_height_max = 480;
} else {
width_max = 864;
height_max = 312 * 2;
+ img_height_max = 576;
}
/* Select scales to come as close as possible to the output image */
@@ -645,7 +645,7 @@
unsigned int found = geo->in_height * vou_scale_v_num[i] /
vou_scale_v_den[i];
- if (found > VOU_MAX_IMAGE_HEIGHT)
+ if (found > img_height_max)
/* scales increase */
break;
@@ -674,6 +674,7 @@
struct video_device *vdev = video_devdata(file);
struct sh_vou_device *vou_dev = video_get_drvdata(vdev);
struct v4l2_pix_format *pix = &fmt->fmt.pix;
+ unsigned int img_height_max;
int pix_idx;
struct sh_vou_geometry geo;
struct v4l2_mbus_framefmt mbfmt = {
@@ -702,9 +703,14 @@
if (pix_idx == ARRAY_SIZE(vou_fmt))
return -EINVAL;
+ if (vou_dev->std & V4L2_STD_525_60)
+ img_height_max = 480;
+ 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, VOU_MAX_IMAGE_HEIGHT, 1, 0);
+ &pix->height, 0, img_height_max, 1, 0);
geo.in_width = pix->width;
geo.in_height = pix->height;
@@ -725,7 +731,7 @@
/* Sanity checks */
if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH ||
- (unsigned)mbfmt.height > VOU_MAX_IMAGE_HEIGHT ||
+ (unsigned)mbfmt.height > img_height_max ||
mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8)
return -EIO;
@@ -941,6 +947,7 @@
.field = V4L2_FIELD_INTERLACED,
.colorspace = V4L2_COLORSPACE_SMPTE170M,
};
+ unsigned int img_height_max;
int ret;
dev_dbg(vou_dev->v4l2_dev.dev, "%s(): %ux%u@%u:%u\n", __func__,
@@ -949,14 +956,19 @@
if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
+ if (vou_dev->std & V4L2_STD_525_60)
+ img_height_max = 480;
+ else
+ img_height_max = 576;
+
v4l_bound_align_image(&rect->width, 0, VOU_MAX_IMAGE_WIDTH, 1,
- &rect->height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0);
+ &rect->height, 0, img_height_max, 1, 0);
if (rect->width + rect->left > VOU_MAX_IMAGE_WIDTH)
rect->left = VOU_MAX_IMAGE_WIDTH - rect->width;
- if (rect->height + rect->top > VOU_MAX_IMAGE_HEIGHT)
- rect->top = VOU_MAX_IMAGE_HEIGHT - rect->height;
+ if (rect->height + rect->top > img_height_max)
+ rect->top = img_height_max - rect->height;
geo.output = *rect;
geo.in_width = pix->width;
@@ -981,7 +993,7 @@
/* Sanity checks */
if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH ||
- (unsigned)mbfmt.height > VOU_MAX_IMAGE_HEIGHT ||
+ (unsigned)mbfmt.height > img_height_max ||
mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8)
return -EIO;
@@ -1330,13 +1342,13 @@
rect->left = 0;
rect->top = 0;
rect->width = VOU_MAX_IMAGE_WIDTH;
- rect->height = VOU_MAX_IMAGE_HEIGHT;
+ rect->height = 480;
pix->width = VOU_MAX_IMAGE_WIDTH;
- pix->height = VOU_MAX_IMAGE_HEIGHT;
+ pix->height = 480;
pix->pixelformat = V4L2_PIX_FMT_YVYU;
pix->field = V4L2_FIELD_NONE;
pix->bytesperline = VOU_MAX_IMAGE_WIDTH * 2;
- pix->sizeimage = VOU_MAX_IMAGE_WIDTH * 2 * VOU_MAX_IMAGE_HEIGHT;
+ pix->sizeimage = VOU_MAX_IMAGE_WIDTH * 2 * 480;
pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
region = request_mem_region(reg_res->start, resource_size(reg_res),