media: ipu6: isys: Add support for monochrome media bus formats

Add support for monochrome media bus formats, for use with monochrome/IR
camera sensors.

This has been tested on a Dell XPS 13 9320 with OV1A1B IR sensor.

Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

3 files changed, 43 insertions, 9 deletions

diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c b/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c
index d858976112ba..43a2a16a3c2a 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c
@@ -42,6 +42,10 @@ static const u32 csi2_supported_codes[] = {
 	MEDIA_BUS_FMT_SGBRG8_1X8,
 	MEDIA_BUS_FMT_SGRBG8_1X8,
 	MEDIA_BUS_FMT_SRGGB8_1X8,
+	MEDIA_BUS_FMT_Y8_1X8,
+	MEDIA_BUS_FMT_Y10_1X10,
+	MEDIA_BUS_FMT_Y12_1X12,
+	MEDIA_BUS_FMT_Y16_1X16,
 	MEDIA_BUS_FMT_META_8,
 	MEDIA_BUS_FMT_META_10,
 	MEDIA_BUS_FMT_META_12,
diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.c b/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.c
index 463a0adf9e13..869e7d4ba572 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.c
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.c
@@ -25,24 +25,28 @@ unsigned int ipu6_isys_mbus_code_to_bpp(u32 code)
 	case MEDIA_BUS_FMT_RGB565_1X16:
 	case MEDIA_BUS_FMT_UYVY8_1X16:
 	case MEDIA_BUS_FMT_YUYV8_1X16:
+	case MEDIA_BUS_FMT_Y16_1X16:
 	case MEDIA_BUS_FMT_META_16:
 		return 16;
 	case MEDIA_BUS_FMT_SBGGR12_1X12:
 	case MEDIA_BUS_FMT_SGBRG12_1X12:
 	case MEDIA_BUS_FMT_SGRBG12_1X12:
 	case MEDIA_BUS_FMT_SRGGB12_1X12:
+	case MEDIA_BUS_FMT_Y12_1X12:
 	case MEDIA_BUS_FMT_META_12:
 		return 12;
 	case MEDIA_BUS_FMT_SBGGR10_1X10:
 	case MEDIA_BUS_FMT_SGBRG10_1X10:
 	case MEDIA_BUS_FMT_SGRBG10_1X10:
 	case MEDIA_BUS_FMT_SRGGB10_1X10:
+	case MEDIA_BUS_FMT_Y10_1X10:
 	case MEDIA_BUS_FMT_META_10:
 		return 10;
 	case MEDIA_BUS_FMT_SBGGR8_1X8:
 	case MEDIA_BUS_FMT_SGBRG8_1X8:
 	case MEDIA_BUS_FMT_SGRBG8_1X8:
 	case MEDIA_BUS_FMT_SRGGB8_1X8:
+	case MEDIA_BUS_FMT_Y8_1X8:
 	case MEDIA_BUS_FMT_META_8:
 		return 8;
 	default:
@@ -65,21 +69,25 @@ unsigned int ipu6_isys_mbus_code_to_mipi(u32 code)
 	case MEDIA_BUS_FMT_SGBRG16_1X16:
 	case MEDIA_BUS_FMT_SGRBG16_1X16:
 	case MEDIA_BUS_FMT_SRGGB16_1X16:
+	case MEDIA_BUS_FMT_Y16_1X16:
 		return MIPI_CSI2_DT_RAW16;
 	case MEDIA_BUS_FMT_SBGGR12_1X12:
 	case MEDIA_BUS_FMT_SGBRG12_1X12:
 	case MEDIA_BUS_FMT_SGRBG12_1X12:
 	case MEDIA_BUS_FMT_SRGGB12_1X12:
+	case MEDIA_BUS_FMT_Y12_1X12:
 		return MIPI_CSI2_DT_RAW12;
 	case MEDIA_BUS_FMT_SBGGR10_1X10:
 	case MEDIA_BUS_FMT_SGBRG10_1X10:
 	case MEDIA_BUS_FMT_SGRBG10_1X10:
 	case MEDIA_BUS_FMT_SRGGB10_1X10:
+	case MEDIA_BUS_FMT_Y10_1X10:
 		return MIPI_CSI2_DT_RAW10;
 	case MEDIA_BUS_FMT_SBGGR8_1X8:
 	case MEDIA_BUS_FMT_SGBRG8_1X8:
 	case MEDIA_BUS_FMT_SGRBG8_1X8:
 	case MEDIA_BUS_FMT_SRGGB8_1X8:
+	case MEDIA_BUS_FMT_Y8_1X8:
 		return MIPI_CSI2_DT_RAW8;
 	case MEDIA_BUS_FMT_META_8:
 	case MEDIA_BUS_FMT_META_10:
@@ -96,15 +104,23 @@ unsigned int ipu6_isys_mbus_code_to_mipi(u32 code)
 
 bool ipu6_isys_is_bayer_format(u32 code)
 {
-	switch (ipu6_isys_mbus_code_to_mipi(code)) {
-	case MIPI_CSI2_DT_RAW8:
-	case MIPI_CSI2_DT_RAW10:
-	case MIPI_CSI2_DT_RAW12:
-	case MIPI_CSI2_DT_RAW14:
-	case MIPI_CSI2_DT_RAW16:
-	case MIPI_CSI2_DT_RAW20:
-	case MIPI_CSI2_DT_RAW24:
-	case MIPI_CSI2_DT_RAW28:
+	switch (code) {
+	case MEDIA_BUS_FMT_SBGGR8_1X8:
+	case MEDIA_BUS_FMT_SGBRG8_1X8:
+	case MEDIA_BUS_FMT_SGRBG8_1X8:
+	case MEDIA_BUS_FMT_SRGGB8_1X8:
+	case MEDIA_BUS_FMT_SBGGR10_1X10:
+	case MEDIA_BUS_FMT_SGBRG10_1X10:
+	case MEDIA_BUS_FMT_SGRBG10_1X10:
+	case MEDIA_BUS_FMT_SRGGB10_1X10:
+	case MEDIA_BUS_FMT_SBGGR12_1X12:
+	case MEDIA_BUS_FMT_SGBRG12_1X12:
+	case MEDIA_BUS_FMT_SGRBG12_1X12:
+	case MEDIA_BUS_FMT_SRGGB12_1X12:
+	case MEDIA_BUS_FMT_SRGGB16_1X16:
+	case MEDIA_BUS_FMT_SGRBG16_1X16:
+	case MEDIA_BUS_FMT_SGBRG16_1X16:
+	case MEDIA_BUS_FMT_SBGGR16_1X16:
 		return true;
 	default:
 		return false;
diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-video.c b/drivers/media/pci/intel/ipu6/ipu6-isys-video.c
index f3f3bc0615e5..dec8f5ffcfa5 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-isys-video.c
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys-video.c
@@ -77,6 +77,20 @@ const struct ipu6_isys_pixelformat ipu6_isys_pfmts[] = {
 	  IPU6_FW_ISYS_FRAME_FORMAT_RAW10 },
 	{ V4L2_PIX_FMT_SRGGB10P, 10, 10, MEDIA_BUS_FMT_SRGGB10_1X10,
 	  IPU6_FW_ISYS_FRAME_FORMAT_RAW10 },
+
+	{ V4L2_PIX_FMT_GREY, 8, 8, MEDIA_BUS_FMT_Y8_1X8,
+	  IPU6_FW_ISYS_FRAME_FORMAT_RAW8 },
+	{ V4L2_PIX_FMT_Y10, 16, 10, MEDIA_BUS_FMT_Y10_1X10,
+	  IPU6_FW_ISYS_FRAME_FORMAT_RAW16 },
+	{ V4L2_PIX_FMT_Y12, 16, 12, MEDIA_BUS_FMT_Y12_1X12,
+	  IPU6_FW_ISYS_FRAME_FORMAT_RAW16 },
+	{ V4L2_PIX_FMT_Y16, 16, 16, MEDIA_BUS_FMT_Y16_1X16,
+	  IPU6_FW_ISYS_FRAME_FORMAT_RAW16 },
+	{ V4L2_PIX_FMT_Y10P, 10, 10, MEDIA_BUS_FMT_Y10_1X10,
+	  IPU6_FW_ISYS_FRAME_FORMAT_RAW10 },
+	{ V4L2_PIX_FMT_Y12P, 12, 12, MEDIA_BUS_FMT_Y12_1X12,
+	  IPU6_FW_ISYS_FRAME_FORMAT_RAW12 },
+
 	{ V4L2_PIX_FMT_UYVY, 16, 16, MEDIA_BUS_FMT_UYVY8_1X16,
 	  IPU6_FW_ISYS_FRAME_FORMAT_UYVY},
 	{ V4L2_PIX_FMT_YUYV, 16, 16, MEDIA_BUS_FMT_YUYV8_1X16,