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media: i.MX6: Support 16-bit BT.1120 video input

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Confirmed to work with ADV7610 HDMI receiver.

Signed-off-by: Krzysztof Hałasa <khalasa@piap.pl>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Krzysztof Hałasa 2021-10-06 07:13:48 +01:00 committed by Mauro Carvalho Chehab
parent c2c88a07d6
commit 48289036e8
2 changed files with 32 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/gpu/ipu-v3/ipu-csi.c
View File

@ -259,10 +259,24 @@ static int mbus_code_to_bus_cfg(struct ipu_csi_bus_config *cfg, u32 mbus_code,
cfg->data_width = IPU_CSI_DATA_WIDTH_8;
break;
case MEDIA_BUS_FMT_UYVY8_1X16:
case MEDIA_BUS_FMT_YUYV8_1X16:
cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER;
if (mbus_type == V4L2_MBUS_BT656) {
cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_YUV422_UYVY;
cfg->data_width = IPU_CSI_DATA_WIDTH_8;
} else {
cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER;
cfg->data_width = IPU_CSI_DATA_WIDTH_16;
}
cfg->mipi_dt = MIPI_DT_YUV422;
break;
case MEDIA_BUS_FMT_YUYV8_1X16:
if (mbus_type == V4L2_MBUS_BT656) {
cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_YUV422_YUYV;
cfg->data_width = IPU_CSI_DATA_WIDTH_8;
} else {
cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER;
cfg->data_width = IPU_CSI_DATA_WIDTH_16;
}
cfg->mipi_dt = MIPI_DT_YUV422;
cfg->data_width = IPU_CSI_DATA_WIDTH_16;
break;
case MEDIA_BUS_FMT_SBGGR8_1X8:
case MEDIA_BUS_FMT_SGBRG8_1X8:
@ -332,7 +346,7 @@ static int fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg,
const struct v4l2_mbus_config *mbus_cfg,
const struct v4l2_mbus_framefmt *mbus_fmt)
{
int ret;
int ret, is_bt1120;
memset(csicfg, 0, sizeof(*csicfg));
@ -353,11 +367,18 @@ static int fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg,
break;
case V4L2_MBUS_BT656:
csicfg->ext_vsync = 0;
/* UYVY10_1X20 etc. should be supported as well */
is_bt1120 = mbus_fmt->code == MEDIA_BUS_FMT_UYVY8_1X16 ||
mbus_fmt->code == MEDIA_BUS_FMT_YUYV8_1X16;
if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field) ||
mbus_fmt->field == V4L2_FIELD_ALTERNATE)
csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_INTERLACED;
csicfg->clk_mode = is_bt1120 ?
IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR :
IPU_CSI_CLK_MODE_CCIR656_INTERLACED;
else
csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE;
csicfg->clk_mode = is_bt1120 ?
IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR :
IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE;
break;
case V4L2_MBUS_CSI2_DPHY:
/*

5
drivers/staging/media/imx/imx-media-csi.c
View File

@ -139,6 +139,8 @@ static inline bool is_parallel_16bit_bus(struct v4l2_fwnode_endpoint *ep)
* Check for conditions that require the IPU to handle the
* data internally as generic data, aka passthrough mode:
* - raw bayer media bus formats, or
* - BT.656 and BT.1120 (8/10-bit YUV422) data can always be processed
* on-the-fly
* - the CSI is receiving from a 16-bit parallel bus, or
* - the CSI is receiving from an 8-bit parallel bus and the incoming
* media bus format is other than UYVY8_2X8/YUYV8_2X8.
@ -147,6 +149,9 @@ static inline bool requires_passthrough(struct v4l2_fwnode_endpoint *ep,
struct v4l2_mbus_framefmt *infmt,
const struct imx_media_pixfmt *incc)
{
if (ep->bus_type == V4L2_MBUS_BT656) // including BT.1120
return 0;
return incc->bayer || is_parallel_16bit_bus(ep) ||
(is_parallel_bus(ep) &&
infmt->code != MEDIA_BUS_FMT_UYVY8_2X8 &&