Commit fc13baff authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab

[media] sh_mobile_ceu_camera: Support user-configurable line stride

In image mode, the CEU allows configurable line strides up to 8188
pixels.
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
[g.liakhovetski@gmx.de: unify sh_mobile_ceu_set_rect() in data-fetch mode]
Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 914f05c8
...@@ -342,19 +342,15 @@ static int sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev) ...@@ -342,19 +342,15 @@ static int sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev)
ceu_write(pcdev, top1, phys_addr_top); ceu_write(pcdev, top1, phys_addr_top);
if (V4L2_FIELD_NONE != pcdev->field) { if (V4L2_FIELD_NONE != pcdev->field) {
if (planar) phys_addr_bottom = phys_addr_top + icd->bytesperline;
phys_addr_bottom = phys_addr_top + icd->user_width;
else
phys_addr_bottom = phys_addr_top + icd->bytesperline;
ceu_write(pcdev, bottom1, phys_addr_bottom); ceu_write(pcdev, bottom1, phys_addr_bottom);
} }
if (planar) { if (planar) {
phys_addr_top += icd->user_width * phys_addr_top += icd->bytesperline * icd->user_height;
icd->user_height;
ceu_write(pcdev, top2, phys_addr_top); ceu_write(pcdev, top2, phys_addr_top);
if (V4L2_FIELD_NONE != pcdev->field) { if (V4L2_FIELD_NONE != pcdev->field) {
phys_addr_bottom = phys_addr_top + icd->user_width; phys_addr_bottom = phys_addr_top + icd->bytesperline;
ceu_write(pcdev, bottom2, phys_addr_bottom); ceu_write(pcdev, bottom2, phys_addr_bottom);
} }
} }
...@@ -681,10 +677,7 @@ static void sh_mobile_ceu_set_rect(struct soc_camera_device *icd) ...@@ -681,10 +677,7 @@ static void sh_mobile_ceu_set_rect(struct soc_camera_device *icd)
in_width *= 2; in_width *= 2;
left_offset *= 2; left_offset *= 2;
} }
cdwdr_width = width;
} else { } else {
int bytes_per_line = soc_mbus_bytes_per_line(width,
icd->current_fmt->host_fmt);
unsigned int w_factor; unsigned int w_factor;
switch (icd->current_fmt->host_fmt->packing) { switch (icd->current_fmt->host_fmt->packing) {
...@@ -697,13 +690,10 @@ static void sh_mobile_ceu_set_rect(struct soc_camera_device *icd) ...@@ -697,13 +690,10 @@ static void sh_mobile_ceu_set_rect(struct soc_camera_device *icd)
in_width = cam->width * w_factor; in_width = cam->width * w_factor;
left_offset *= w_factor; left_offset *= w_factor;
if (bytes_per_line < 0)
cdwdr_width = width;
else
cdwdr_width = bytes_per_line;
} }
cdwdr_width = icd->bytesperline;
height = icd->user_height; height = icd->user_height;
in_height = cam->height; in_height = cam->height;
if (V4L2_FIELD_NONE != pcdev->field) { if (V4L2_FIELD_NONE != pcdev->field) {
...@@ -1848,6 +1838,8 @@ static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd, ...@@ -1848,6 +1838,8 @@ static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd,
return 0; return 0;
} }
#define CEU_CHDW_MAX 8188U /* Maximum line stride */
static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd, static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
struct v4l2_format *f) struct v4l2_format *f)
{ {
...@@ -1926,10 +1918,20 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd, ...@@ -1926,10 +1918,20 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
pix->width = width; pix->width = width;
if (mf.height > height) if (mf.height > height)
pix->height = height; pix->height = height;
pix->bytesperline = max(pix->bytesperline, pix->width);
pix->bytesperline = min(pix->bytesperline, CEU_CHDW_MAX);
pix->bytesperline &= ~3;
break;
default:
/* Configurable stride isn't supported in pass-through mode. */
pix->bytesperline = 0;
} }
pix->width &= ~3; pix->width &= ~3;
pix->height &= ~3; pix->height &= ~3;
pix->sizeimage = 0;
dev_geo(icd->parent, "%s(): return %d, fmt 0x%x, %ux%u\n", dev_geo(icd->parent, "%s(): return %d, fmt 0x%x, %ux%u\n",
__func__, ret, pix->pixelformat, pix->width, pix->height); __func__, ret, pix->pixelformat, pix->width, pix->height);
...@@ -2148,6 +2150,7 @@ static int __devinit sh_mobile_ceu_probe(struct platform_device *pdev) ...@@ -2148,6 +2150,7 @@ static int __devinit sh_mobile_ceu_probe(struct platform_device *pdev)
pcdev->ici.nr = pdev->id; pcdev->ici.nr = pdev->id;
pcdev->ici.drv_name = dev_name(&pdev->dev); pcdev->ici.drv_name = dev_name(&pdev->dev);
pcdev->ici.ops = &sh_mobile_ceu_host_ops; pcdev->ici.ops = &sh_mobile_ceu_host_ops;
pcdev->ici.capabilities = SOCAM_HOST_CAP_STRIDE;
pcdev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); pcdev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
if (IS_ERR(pcdev->alloc_ctx)) { if (IS_ERR(pcdev->alloc_ctx)) {
......
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