From a4965c592e3323967170daa8fdde798b6f84e8ee Mon Sep 17 00:00:00 2001 From: "Lad, Prabhakar" Date: Fri, 16 May 2014 10:33:54 -0300 Subject: [media] media: davinci: vpif_capture: fix v4l-compliance issues This patch does the following: 1: sets initial default format during probe. 2: removes spurious messages. 3: optimize vpif_s/try_fmt_vid_out code. Signed-off-by: Lad, Prabhakar Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/davinci/vpif_capture.c | 191 ++++++++------------------ 1 file changed, 54 insertions(+), 137 deletions(-) (limited to 'drivers/media/platform/davinci/vpif_capture.c') diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index cb746e9a73f6..ee0a5fcecbe4 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -498,10 +498,28 @@ static int vpif_update_std_info(struct channel_obj *ch) 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; } @@ -577,24 +595,6 @@ static void vpif_calculate_offsets(struct channel_obj *ch) 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; - 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 @@ -606,112 +606,6 @@ static inline enum v4l2_field vpif_get_default_field( 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 @@ -922,9 +816,6 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) 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) { @@ -951,10 +842,8 @@ static int vpif_enum_input(struct file *file, void *priv, 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)); @@ -1043,8 +932,34 @@ static int vpif_try_fmt_vid_cap(struct file *file, void *priv, 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; + + /* + * 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; - return vpif_check_format(ch, pixfmt, 1); + 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; } @@ -1082,20 +997,17 @@ static int vpif_s_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 *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; @@ -1443,6 +1355,11 @@ static int vpif_probe_complete(void) 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; -- cgit v1.2.3