v4l2_dbg(level, debug, &vpif_obj.v4l2_dev, fmt, ## arg)
static int debug = 1;
-static u32 ch0_numbuffers = 3;
-static u32 ch1_numbuffers = 3;
-static u32 ch0_bufsize = 1920 * 1080 * 2;
-static u32 ch1_bufsize = 720 * 576 * 2;
module_param(debug, int, 0644);
-module_param(ch0_numbuffers, uint, S_IRUGO);
-module_param(ch1_numbuffers, uint, S_IRUGO);
-module_param(ch0_bufsize, uint, S_IRUGO);
-module_param(ch1_bufsize, uint, S_IRUGO);
MODULE_PARM_DESC(debug, "Debug level 0-1");
-MODULE_PARM_DESC(ch2_numbuffers, "Channel0 buffer count (default:3)");
-MODULE_PARM_DESC(ch3_numbuffers, "Channel1 buffer count (default:3)");
-MODULE_PARM_DESC(ch2_bufsize, "Channel0 buffer size (default:1920 x 1080 x 2)");
-MODULE_PARM_DESC(ch3_bufsize, "Channel1 buffer size (default:720 x 576 x 2)");
-
-static struct vpif_config_params config_params = {
- .min_numbuffers = 3,
- .numbuffers[0] = 3,
- .numbuffers[1] = 3,
- .min_bufsize[0] = 720 * 480 * 2,
- .min_bufsize[1] = 720 * 480 * 2,
- .channel_bufsize[0] = 1920 * 1080 * 2,
- .channel_bufsize[1] = 720 * 576 * 2,
-};
#define VPIF_DRIVER_NAME "vpif_capture"
common->width = std_info->width;
common->fmt.fmt.pix.height = std_info->height;
common->height = std_info->height;
+ common->fmt.fmt.pix.sizeimage = common->height * common->width * 2;
common->fmt.fmt.pix.bytesperline = std_info->width;
vpifparams->video_params.hpitch = std_info->width;
vpifparams->video_params.storage_mode = std_info->frm_fmt;
+ if (vid_ch->stdid)
+ common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ else
+ common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
+
+ if (ch->vpifparams.std_info.frm_fmt)
+ common->fmt.fmt.pix.field = V4L2_FIELD_NONE;
+ else
+ common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED;
+
+ if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER)
+ common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SBGGR8;
+ else
+ common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P;
+
+ common->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
return 0;
}
ch->vpifparams.video_params.stdid = vpifparams->std_info.stdid;
}
-/**
- * vpif_config_format: configure default frame format in the device
- * ch : ptr to channel object
- */
-static void vpif_config_format(struct channel_obj *ch)
-{
- struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
-
- vpif_dbg(2, debug, "vpif_config_format\n");
-
- common->fmt.fmt.pix.field = V4L2_FIELD_ANY;
- common->fmt.fmt.pix.sizeimage
- = config_params.channel_bufsize[ch->channel_id];
-
- if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER)
- common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SBGGR8;
- else
- common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P;
- common->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-}
-
/**
* vpif_get_default_field() - Get default field type based on interface
* @vpif_params - ptr to vpif params
V4L2_FIELD_INTERLACED;
}
-/**
- * vpif_check_format() - check given pixel format for compatibility
- * @ch - channel ptr
- * @pixfmt - Given pixel format
- * @update - update the values as per hardware requirement
- *
- * Check the application pixel format for S_FMT and update the input
- * values as per hardware limits for TRY_FMT. The default pixel and
- * field format is selected based on interface type.
- */
-static int vpif_check_format(struct channel_obj *ch,
- struct v4l2_pix_format *pixfmt,
- int update)
-{
- struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]);
- struct vpif_params *vpif_params = &ch->vpifparams;
- enum v4l2_field field = pixfmt->field;
- u32 sizeimage, hpitch, vpitch;
- int ret = -EINVAL;
-
- vpif_dbg(2, debug, "vpif_check_format\n");
- /**
- * first check for the pixel format. If if_type is Raw bayer,
- * only V4L2_PIX_FMT_SBGGR8 format is supported. Otherwise only
- * V4L2_PIX_FMT_YUV422P is supported
- */
- if (vpif_params->iface.if_type == VPIF_IF_RAW_BAYER) {
- if (pixfmt->pixelformat != V4L2_PIX_FMT_SBGGR8) {
- if (!update) {
- vpif_dbg(2, debug, "invalid pix format\n");
- goto exit;
- }
- pixfmt->pixelformat = V4L2_PIX_FMT_SBGGR8;
- }
- } else {
- if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) {
- if (!update) {
- vpif_dbg(2, debug, "invalid pixel format\n");
- goto exit;
- }
- pixfmt->pixelformat = V4L2_PIX_FMT_YUV422P;
- }
- }
-
- if (!(VPIF_VALID_FIELD(field))) {
- if (!update) {
- vpif_dbg(2, debug, "invalid field format\n");
- goto exit;
- }
- /**
- * By default use FIELD_NONE for RAW Bayer capture
- * and FIELD_INTERLACED for other interfaces
- */
- field = vpif_get_default_field(&vpif_params->iface);
- } else if (field == V4L2_FIELD_ANY)
- /* unsupported field. Use default */
- field = vpif_get_default_field(&vpif_params->iface);
-
- /* validate the hpitch */
- hpitch = pixfmt->bytesperline;
- if (hpitch < vpif_params->std_info.width) {
- if (!update) {
- vpif_dbg(2, debug, "invalid hpitch\n");
- goto exit;
- }
- hpitch = vpif_params->std_info.width;
- }
-
- sizeimage = pixfmt->sizeimage;
-
- vpitch = sizeimage / (hpitch * 2);
-
- /* validate the vpitch */
- if (vpitch < vpif_params->std_info.height) {
- if (!update) {
- vpif_dbg(2, debug, "Invalid vpitch\n");
- goto exit;
- }
- vpitch = vpif_params->std_info.height;
- }
-
- /* Check for 8 byte alignment */
- if (!ALIGN(hpitch, 8)) {
- if (!update) {
- vpif_dbg(2, debug, "invalid pitch alignment\n");
- goto exit;
- }
- /* adjust to next 8 byte boundary */
- hpitch = (((hpitch + 7) / 8) * 8);
- }
- /* if update is set, modify the bytesperline and sizeimage */
- if (update) {
- pixfmt->bytesperline = hpitch;
- pixfmt->sizeimage = hpitch * vpitch * 2;
- }
- /**
- * Image width and height is always based on current standard width and
- * height
- */
- pixfmt->width = common->fmt.fmt.pix.width;
- pixfmt->height = common->fmt.fmt.pix.height;
- return 0;
-exit:
- return ret;
-}
-
/**
* vpif_config_addr() - function to configure buffer address in vpif
* @ch - channel ptr
return -EINVAL;
}
- /* Configure the default format information */
- vpif_config_format(ch);
-
/* set standard in the sub device */
ret = v4l2_subdev_call(ch->sd, video, s_std, std_id);
if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) {
chan_cfg = &config->chan_config[ch->channel_id];
- if (input->index >= chan_cfg->input_count) {
- vpif_dbg(1, debug, "Invalid input index\n");
+ if (input->index >= chan_cfg->input_count)
return -EINVAL;
- }
memcpy(input, &chan_cfg->inputs[input->index].input,
sizeof(*input));
struct video_device *vdev = video_devdata(file);
struct channel_obj *ch = video_get_drvdata(vdev);
struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
+ struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]);
+ struct vpif_params *vpif_params = &ch->vpifparams;
- return vpif_check_format(ch, pixfmt, 1);
+ /*
+ * to supress v4l-compliance warnings silently correct
+ * the pixelformat
+ */
+ if (vpif_params->iface.if_type == VPIF_IF_RAW_BAYER) {
+ if (pixfmt->pixelformat != V4L2_PIX_FMT_SBGGR8)
+ pixfmt->pixelformat = V4L2_PIX_FMT_SBGGR8;
+ } else {
+ if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P)
+ pixfmt->pixelformat = V4L2_PIX_FMT_YUV422P;
+ }
+
+ common->fmt.fmt.pix.pixelformat = pixfmt->pixelformat;
+
+ vpif_update_std_info(ch);
+
+ pixfmt->field = common->fmt.fmt.pix.field;
+ pixfmt->colorspace = common->fmt.fmt.pix.colorspace;
+ pixfmt->bytesperline = common->fmt.fmt.pix.width;
+ pixfmt->width = common->fmt.fmt.pix.width;
+ pixfmt->height = common->fmt.fmt.pix.height;
+ pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2;
+ pixfmt->priv = 0;
+
+ return 0;
}
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 *pixfmt;
- int ret = 0;
+ int ret;
vpif_dbg(2, debug, "%s\n", __func__);
if (vb2_is_busy(&common->buffer_queue))
return -EBUSY;
- pixfmt = &fmt->fmt.pix;
- /* Check for valid field format */
- ret = vpif_check_format(ch, pixfmt, 0);
-
+ ret = vpif_try_fmt_vid_cap(file, priv, fmt);
if (ret)
return ret;
+
/* store the format in the channel object */
common->fmt = *fmt;
return 0;
*/
static int initialize_vpif(void)
{
- int err = 0, i, j;
+ int err, i, j;
int free_channel_objects_index;
- /* Default number of buffers should be 3 */
- if ((ch0_numbuffers > 0) &&
- (ch0_numbuffers < config_params.min_numbuffers))
- ch0_numbuffers = config_params.min_numbuffers;
- if ((ch1_numbuffers > 0) &&
- (ch1_numbuffers < config_params.min_numbuffers))
- ch1_numbuffers = config_params.min_numbuffers;
-
- /* Set buffer size to min buffers size if it is invalid */
- if (ch0_bufsize < config_params.min_bufsize[VPIF_CHANNEL0_VIDEO])
- ch0_bufsize =
- config_params.min_bufsize[VPIF_CHANNEL0_VIDEO];
- if (ch1_bufsize < config_params.min_bufsize[VPIF_CHANNEL1_VIDEO])
- ch1_bufsize =
- config_params.min_bufsize[VPIF_CHANNEL1_VIDEO];
-
- config_params.numbuffers[VPIF_CHANNEL0_VIDEO] = ch0_numbuffers;
- config_params.numbuffers[VPIF_CHANNEL1_VIDEO] = ch1_numbuffers;
- if (ch0_numbuffers) {
- config_params.channel_bufsize[VPIF_CHANNEL0_VIDEO]
- = ch0_bufsize;
- }
- if (ch1_numbuffers) {
- config_params.channel_bufsize[VPIF_CHANNEL1_VIDEO]
- = ch1_bufsize;
- }
-
/* Allocate memory for six channel objects */
for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) {
vpif_obj.dev[i] =
if (err)
goto probe_out;
+ /* set initial format */
+ ch->video.stdid = V4L2_STD_525_60;
+ memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings));
+ vpif_update_std_info(ch);
+
/* Initialize vb2 queue */
q = &common->buffer_queue;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
vdev->vfl_dir = VFL_DIR_RX;
vdev->queue = q;
vdev->lock = &common->lock;
- set_bit(V4L2_FL_USE_FH_PRIO, &vdev->flags);
video_set_drvdata(ch->video_dev, ch);
err = video_register_device(vdev,
VFL_TYPE_GRABBER, (j ? 1 : 0));
for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) {
/* Get the pointer to the channel object */
ch = vpif_obj.dev[i];
- common = &ch->common[i];
+ common = &ch->common[VPIF_VIDEO_INDEX];
vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
/* Unregister video device */
video_unregister_device(ch->video_dev);
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