diff options
author | Krzysztof Hałasa <khalasa@piap.pl> | 2021-10-06 09:13:48 +0300 |
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committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-10-19 10:08:38 +0300 |
commit | 48289036e8c7847d49a1c7086d07b8793d066e96 (patch) | |
tree | 1a9a7c83f1c71633a148508a5a7fb78bf85c5262 /drivers | |
parent | c2c88a07d679839ddf236db55b258aaedff819ad (diff) | |
download | linux-48289036e8c7847d49a1c7086d07b8793d066e96.tar.xz |
media: i.MX6: Support 16-bit BT.1120 video input
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/ipu-v3/ipu-csi.c | 31 | ||||
-rw-r--r-- | drivers/staging/media/imx/imx-media-csi.c | 5 |
2 files changed, 31 insertions, 5 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c index 8ae301eef643..a9639d098893 100644 --- a/drivers/gpu/ipu-v3/ipu-csi.c +++ b/drivers/gpu/ipu-v3/ipu-csi.c @@ -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: + 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: - cfg->data_fmt = CSI_SENS_CONF_DATA_FMT_BAYER; + 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: /* diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c index 3daa636b67db..1caa100be33d 100644 --- a/drivers/staging/media/imx/imx-media-csi.c +++ b/drivers/staging/media/imx/imx-media-csi.c @@ -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 && |