summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/media/imx/imx-ic-prpencvf.c21
-rw-r--r--drivers/staging/media/imx/imx-media-capture.c14
-rw-r--r--drivers/staging/media/imx/imx-media-csi.c64
3 files changed, 76 insertions, 23 deletions
diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c b/drivers/staging/media/imx/imx-ic-prpencvf.c
index af7224846bd5..1a03d4c9d7b8 100644
--- a/drivers/staging/media/imx/imx-ic-prpencvf.c
+++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
@@ -354,12 +354,13 @@ static int prp_setup_channel(struct prp_priv *priv,
{
struct imx_media_video_dev *vdev = priv->vdev;
const struct imx_media_pixfmt *outcc;
- struct v4l2_mbus_framefmt *infmt;
+ struct v4l2_mbus_framefmt *outfmt;
unsigned int burst_size;
struct ipu_image image;
+ bool interweave;
int ret;
- infmt = &priv->format_mbus[PRPENCVF_SINK_PAD];
+ outfmt = &priv->format_mbus[PRPENCVF_SRC_PAD];
outcc = vdev->cc;
ipu_cpmem_zero(channel);
@@ -369,6 +370,15 @@ static int prp_setup_channel(struct prp_priv *priv,
image.rect.width = image.pix.width;
image.rect.height = image.pix.height;
+ /*
+ * If the field type at capture interface is interlaced, and
+ * the output IDMAC pad is sequential, enable interweave at
+ * the IDMAC output channel.
+ */
+ interweave = V4L2_FIELD_IS_INTERLACED(image.pix.field) &&
+ V4L2_FIELD_IS_SEQUENTIAL(outfmt->field) &&
+ channel == priv->out_ch;
+
if (rot_swap_width_height) {
swap(image.pix.width, image.pix.height);
swap(image.rect.width, image.rect.height);
@@ -409,9 +419,7 @@ static int prp_setup_channel(struct prp_priv *priv,
if (rot_mode)
ipu_cpmem_set_rotation(channel, rot_mode);
- if (image.pix.field == V4L2_FIELD_NONE &&
- V4L2_FIELD_HAS_BOTH(infmt->field) &&
- channel == priv->out_ch)
+ if (interweave)
ipu_cpmem_interlaced_scan(channel, image.pix.bytesperline,
image.pix.pixelformat);
@@ -839,8 +847,7 @@ static void prp_try_fmt(struct prp_priv *priv,
infmt = __prp_get_fmt(priv, cfg, PRPENCVF_SINK_PAD, sdformat->which);
if (sdformat->pad == PRPENCVF_SRC_PAD) {
- if (sdformat->format.field != V4L2_FIELD_NONE)
- sdformat->format.field = infmt->field;
+ sdformat->format.field = infmt->field;
prp_bound_align_output(&sdformat->format, infmt,
priv->rot_mode);
diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c
index b37e1186eb2f..01ec9443de55 100644
--- a/drivers/staging/media/imx/imx-media-capture.c
+++ b/drivers/staging/media/imx/imx-media-capture.c
@@ -239,6 +239,20 @@ static int capture_try_fmt_vid_cap(struct file *file, void *fh,
cc = cc_src;
}
+ /* allow IDMAC interweave but enforce field order from source */
+ if (V4L2_FIELD_IS_INTERLACED(f->fmt.pix.field)) {
+ switch (fmt_src.format.field) {
+ case V4L2_FIELD_SEQ_TB:
+ fmt_src.format.field = V4L2_FIELD_INTERLACED_TB;
+ break;
+ case V4L2_FIELD_SEQ_BT:
+ fmt_src.format.field = V4L2_FIELD_INTERLACED_BT;
+ break;
+ default:
+ break;
+ }
+ }
+
imx_media_mbus_fmt_to_pix_fmt(&f->fmt.pix, &fmt_src.format, cc);
return 0;
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index da4808348845..e3a4f39dbf73 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -398,16 +398,18 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
struct imx_media_video_dev *vdev = priv->vdev;
const struct imx_media_pixfmt *incc;
struct v4l2_mbus_framefmt *infmt;
+ struct v4l2_mbus_framefmt *outfmt;
+ bool passthrough, interweave;
struct ipu_image image;
u32 passthrough_bits;
u32 passthrough_cycles;
dma_addr_t phys[2];
- bool passthrough;
u32 burst_size;
int ret;
infmt = &priv->format_mbus[CSI_SINK_PAD];
incc = priv->cc[CSI_SINK_PAD];
+ outfmt = &priv->format_mbus[CSI_SRC_PAD_IDMAC];
ipu_cpmem_zero(priv->idmac_ch);
@@ -424,6 +426,14 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
passthrough = requires_passthrough(&priv->upstream_ep, infmt, incc);
passthrough_cycles = 1;
+ /*
+ * If the field type at capture interface is interlaced, and
+ * the output IDMAC pad is sequential, enable interweave at
+ * the IDMAC output channel.
+ */
+ interweave = V4L2_FIELD_IS_INTERLACED(image.pix.field) &&
+ V4L2_FIELD_IS_SEQUENTIAL(outfmt->field);
+
switch (image.pix.pixelformat) {
case V4L2_PIX_FMT_SBGGR8:
case V4L2_PIX_FMT_SGBRG8:
@@ -509,8 +519,7 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
ipu_smfc_set_burstsize(priv->smfc, burst_size);
- if (image.pix.field == V4L2_FIELD_NONE &&
- V4L2_FIELD_HAS_BOTH(infmt->field))
+ if (interweave)
ipu_cpmem_interlaced_scan(priv->idmac_ch,
image.pix.bytesperline,
image.pix.pixelformat);
@@ -1304,6 +1313,38 @@ out:
return ret;
}
+static void csi_try_field(struct csi_priv *priv,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *sdformat)
+{
+ struct v4l2_mbus_framefmt *infmt =
+ __csi_get_fmt(priv, cfg, CSI_SINK_PAD, sdformat->which);
+
+ /* no restrictions on sink pad field type */
+ if (sdformat->pad == CSI_SINK_PAD)
+ return;
+
+ switch (infmt->field) {
+ case V4L2_FIELD_SEQ_TB:
+ case V4L2_FIELD_SEQ_BT:
+ case V4L2_FIELD_ALTERNATE:
+ /*
+ * If the sink is sequential or alternating fields,
+ * allow only SEQ_TB at the source.
+ *
+ * This driver does not support alternate field mode, and
+ * the CSI captures a whole frame, so the CSI never presents
+ * alternate mode at its source pads.
+ */
+ sdformat->format.field = V4L2_FIELD_SEQ_TB;
+ break;
+ default:
+ /* Passthrough for all other input field types */
+ sdformat->format.field = infmt->field;
+ break;
+ }
+}
+
static void csi_try_fmt(struct csi_priv *priv,
struct v4l2_fwnode_endpoint *upstream_ep,
struct v4l2_subdev_pad_config *cfg,
@@ -1343,25 +1384,14 @@ static void csi_try_fmt(struct csi_priv *priv,
}
}
- if (sdformat->pad == CSI_SRC_PAD_DIRECT ||
- sdformat->format.field != V4L2_FIELD_NONE)
- sdformat->format.field = infmt->field;
-
- /*
- * translate V4L2_FIELD_ALTERNATE to SEQ_TB or SEQ_BT
- * depending on input height (assume NTSC top-bottom
- * order if 480 lines, otherwise PAL bottom-top order).
- */
- if (sdformat->format.field == V4L2_FIELD_ALTERNATE) {
- sdformat->format.field = (infmt->height == 480) ?
- V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT;
- }
+ csi_try_field(priv, cfg, sdformat);
/* propagate colorimetry from sink */
sdformat->format.colorspace = infmt->colorspace;
sdformat->format.xfer_func = infmt->xfer_func;
sdformat->format.quantization = infmt->quantization;
sdformat->format.ycbcr_enc = infmt->ycbcr_enc;
+
break;
case CSI_SINK_PAD:
v4l_bound_align_image(&sdformat->format.width, MIN_W, MAX_W,
@@ -1389,6 +1419,8 @@ static void csi_try_fmt(struct csi_priv *priv,
sdformat->format.code = (*cc)->codes[0];
}
+ csi_try_field(priv, cfg, sdformat);
+
imx_media_fill_default_mbus_fields(
&sdformat->format, infmt,
priv->active_output_pad == CSI_SRC_PAD_DIRECT);
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-24 19:34:40 +0100