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path: root/drivers/media/platform/davinci/vpif_capture.c
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Diffstat (limited to 'drivers/media/platform/davinci/vpif_capture.c')
-rw-r--r--drivers/media/platform/davinci/vpif_capture.c82
1 files changed, 80 insertions, 2 deletions
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index b9d927d1e5a8..27357954f1bb 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -24,6 +24,9 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-of.h>
#include <media/i2c/tvp514x.h>
+#include <media/v4l2-mediabus.h>
+
+#include <linux/videodev2.h>
#include "vpif.h"
#include "vpif_capture.h"
@@ -387,7 +390,8 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id)
common = &ch->common[i];
/* skip If streaming is not started in this channel */
/* Check the field format */
- if (1 == ch->vpifparams.std_info.frm_fmt) {
+ if (1 == ch->vpifparams.std_info.frm_fmt ||
+ common->fmt.fmt.pix.field == V4L2_FIELD_NONE) {
/* Progressive mode */
spin_lock(&common->irqlock);
if (list_empty(&common->dma_queue)) {
@@ -468,9 +472,38 @@ static int vpif_update_std_info(struct channel_obj *ch)
struct vpif_channel_config_params *std_info = &vpifparams->std_info;
struct video_obj *vid_ch = &ch->video;
int index;
+ struct v4l2_pix_format *pixfmt = &common->fmt.fmt.pix;
vpif_dbg(2, debug, "vpif_update_std_info\n");
+ /*
+ * if called after try_fmt or g_fmt, there will already be a size
+ * so use that by default.
+ */
+ if (pixfmt->width && pixfmt->height) {
+ if (pixfmt->field == V4L2_FIELD_ANY ||
+ pixfmt->field == V4L2_FIELD_NONE)
+ pixfmt->field = V4L2_FIELD_NONE;
+
+ vpifparams->iface.if_type = VPIF_IF_BT656;
+ if (pixfmt->pixelformat == V4L2_PIX_FMT_SGRBG10 ||
+ pixfmt->pixelformat == V4L2_PIX_FMT_SBGGR8)
+ vpifparams->iface.if_type = VPIF_IF_RAW_BAYER;
+
+ if (pixfmt->pixelformat == V4L2_PIX_FMT_SGRBG10)
+ vpifparams->params.data_sz = 1; /* 10 bits/pixel. */
+
+ /*
+ * For raw formats from camera sensors, we don't need
+ * the std_info from table lookup, so nothing else to do here.
+ */
+ if (vpifparams->iface.if_type == VPIF_IF_RAW_BAYER) {
+ memset(std_info, 0, sizeof(struct vpif_channel_config_params));
+ vpifparams->std_info.capture_format = 1; /* CCD/raw mode */
+ return 0;
+ }
+ }
+
for (index = 0; index < vpif_ch_params_count; index++) {
config = &vpif_ch_params[index];
if (config->hd_sd == 0) {
@@ -939,6 +972,7 @@ static int vpif_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]);
+ common->fmt = *fmt;
vpif_update_std_info(ch);
pixfmt->field = common->fmt.fmt.pix.field;
@@ -947,8 +981,17 @@ static int vpif_try_fmt_vid_cap(struct file *file, void *priv,
pixfmt->width = common->fmt.fmt.pix.width;
pixfmt->height = common->fmt.fmt.pix.height;
pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2;
+ if (pixfmt->pixelformat == V4L2_PIX_FMT_SGRBG10) {
+ pixfmt->bytesperline = common->fmt.fmt.pix.width * 2;
+ pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height;
+ }
pixfmt->priv = 0;
+ dev_dbg(vpif_dev, "%s: %d x %d; pitch=%d pixelformat=0x%08x, field=%d, size=%d\n", __func__,
+ pixfmt->width, pixfmt->height,
+ pixfmt->bytesperline, pixfmt->pixelformat,
+ pixfmt->field, pixfmt->sizeimage);
+
return 0;
}
@@ -965,13 +1008,47 @@ static int vpif_g_fmt_vid_cap(struct file *file, void *priv,
struct video_device *vdev = video_devdata(file);
struct channel_obj *ch = video_get_drvdata(vdev);
struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
+ struct v4l2_pix_format *pix_fmt = &fmt->fmt.pix;
+ struct v4l2_subdev_format format = {
+ .which = V4L2_SUBDEV_FORMAT_ACTIVE,
+ };
+ struct v4l2_mbus_framefmt *mbus_fmt = &format.format;
+ int ret;
/* Check the validity of the buffer type */
if (common->fmt.type != fmt->type)
return -EINVAL;
- /* Fill in the information about format */
+ /* By default, use currently set fmt */
*fmt = common->fmt;
+
+ /* If subdev has get_fmt, use that to override */
+ ret = v4l2_subdev_call(ch->sd, pad, get_fmt, NULL, &format);
+ if (!ret && mbus_fmt->code) {
+ v4l2_fill_pix_format(pix_fmt, mbus_fmt);
+ pix_fmt->bytesperline = pix_fmt->width;
+ if (mbus_fmt->code == MEDIA_BUS_FMT_SGRBG10_1X10) {
+ /* e.g. mt9v032 */
+ pix_fmt->pixelformat = V4L2_PIX_FMT_SGRBG10;
+ pix_fmt->bytesperline = pix_fmt->width * 2;
+ } else if (mbus_fmt->code == MEDIA_BUS_FMT_UYVY8_2X8) {
+ /* e.g. tvp514x */
+ pix_fmt->pixelformat = V4L2_PIX_FMT_NV16;
+ pix_fmt->bytesperline = pix_fmt->width * 2;
+ } else {
+ dev_warn(vpif_dev, "%s: Unhandled media-bus format 0x%x\n",
+ __func__, mbus_fmt->code);
+ }
+ pix_fmt->sizeimage = pix_fmt->bytesperline * pix_fmt->height;
+ dev_dbg(vpif_dev, "%s: %d x %d; pitch=%d, pixelformat=0x%08x, code=0x%x, field=%d, size=%d\n", __func__,
+ pix_fmt->width, pix_fmt->height,
+ pix_fmt->bytesperline, pix_fmt->pixelformat,
+ mbus_fmt->code, pix_fmt->field, pix_fmt->sizeimage);
+
+ common->fmt = *fmt;
+ vpif_update_std_info(ch);
+ }
+
return 0;
}
@@ -1358,6 +1435,7 @@ static int vpif_probe_complete(void)
/* set initial format */
ch->video.stdid = V4L2_STD_525_60;
memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings));
+ common->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
vpif_update_std_info(ch);
/* Initialize vb2 queue */