[PATCH v2 06/15] staging: mmal_vchiq: Add image formats to be used by bcm2835-isp

Umang Jain
2023-11-09T21:04:20Z

From: Dave Stevenson <dave.stevenson@raspberrypi.com>

The bcm2835-isp supports Bayer, so add in the encodings for them.
Also, Add support for monochrome image formats in the various MIPI
packings.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
---
.../vc04_services/vchiq-mmal/mmal-encodings.h | 62 +++++++++++++++++++
1 file changed, 62 insertions(+)

diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-encodings.h b/drivers/staging/vc04_services/vchiq-mmal/mmal-encodings.h
index e15ae7b24f73..4711877a9711 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-encodings.h
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-encodings.h
@@ -69,6 +69,68 @@
*/
#define MMAL_ENCODING_OPAQUE MMAL_FOURCC('O', 'P', 'Q', 'V')

+/* Bayer formats
+ * FourCC values copied from V4L2 where defined.
+ */
+/* 8 bit per pixel Bayer formats. */
+#define MMAL_ENCODING_BAYER_SBGGR8 MMAL_FOURCC('B', 'A', '8', '1')
+#define MMAL_ENCODING_BAYER_SGBRG8 MMAL_FOURCC('G', 'B', 'R', 'G')
+#define MMAL_ENCODING_BAYER_SGRBG8 MMAL_FOURCC('G', 'R', 'B', 'G')
+#define MMAL_ENCODING_BAYER_SRGGB8 MMAL_FOURCC('R', 'G', 'G', 'B')
+
+/* 10 bit per pixel packed Bayer formats. */
+#define MMAL_ENCODING_BAYER_SBGGR10P MMAL_FOURCC('p', 'B', 'A', 'A')
+#define MMAL_ENCODING_BAYER_SGRBG10P MMAL_FOURCC('p', 'g', 'A', 'A')
+#define MMAL_ENCODING_BAYER_SGBRG10P MMAL_FOURCC('p', 'G', 'A', 'A')
+#define MMAL_ENCODING_BAYER_SRGGB10P MMAL_FOURCC('p', 'R', 'A', 'A')
+
+/* 12 bit per pixel packed Bayer formats. */
+#define MMAL_ENCODING_BAYER_SBGGR12P MMAL_FOURCC('p', 'B', '1', '2')
+#define MMAL_ENCODING_BAYER_SGRBG12P MMAL_FOURCC('p', 'g', '1', '2')
+#define MMAL_ENCODING_BAYER_SGBRG12P MMAL_FOURCC('p', 'G', '1', '2')
+#define MMAL_ENCODING_BAYER_SRGGB12P MMAL_FOURCC('p', 'R', '1', '2')
+
+/* 14 bit per pixel Bayer formats. */
+#define MMAL_ENCODING_BAYER_SBGGR14P MMAL_FOURCC('p', 'B', 'E', 'E')
+#define MMAL_ENCODING_BAYER_SGBRG14P MMAL_FOURCC('p', 'G', 'E', 'E')
+#define MMAL_ENCODING_BAYER_SGRBG14P MMAL_FOURCC('p', 'g', 'E', 'E')
+#define MMAL_ENCODING_BAYER_SRGGB14P MMAL_FOURCC('p', 'R', 'E', 'E')
+
+/* 16 bit per pixel Bayer formats. */
+#define MMAL_ENCODING_BAYER_SBGGR16 MMAL_FOURCC('B', 'G', '1', '6')
+#define MMAL_ENCODING_BAYER_SGBRG16 MMAL_FOURCC('G', 'B', '1', '6')
+#define MMAL_ENCODING_BAYER_SGRBG16 MMAL_FOURCC('G', 'R', '1', '6')
+#define MMAL_ENCODING_BAYER_SRGGB16 MMAL_FOURCC('R', 'G', '1', '6')
+
+/* 10 bit per pixel unpacked (16bit) Bayer formats. */
+#define MMAL_ENCODING_BAYER_SBGGR10 MMAL_FOURCC('B', 'G', '1', '0')
+#define MMAL_ENCODING_BAYER_SGRBG10 MMAL_FOURCC('B', 'A', '1', '0')
+#define MMAL_ENCODING_BAYER_SGBRG10 MMAL_FOURCC('G', 'B', '1', '0')
+#define MMAL_ENCODING_BAYER_SRGGB10 MMAL_FOURCC('R', 'G', '1', '0')
+
+/* 12 bit per pixel unpacked (16bit) Bayer formats */
+#define MMAL_ENCODING_BAYER_SBGGR12 MMAL_FOURCC('B', 'G', '1', '2')
+#define MMAL_ENCODING_BAYER_SGRBG12 MMAL_FOURCC('B', 'A', '1', '2')
+#define MMAL_ENCODING_BAYER_SGBRG12 MMAL_FOURCC('G', 'B', '1', '2')
+#define MMAL_ENCODING_BAYER_SRGGB12 MMAL_FOURCC('R', 'G', '1', '2')
+
+/* 14 bit per pixel unpacked (16bit) Bayer formats */
+#define MMAL_ENCODING_BAYER_SBGGR14 MMAL_FOURCC('B', 'G', '1', '4')
+#define MMAL_ENCODING_BAYER_SGBRG14 MMAL_FOURCC('G', 'B', '1', '4')
+#define MMAL_ENCODING_BAYER_SGRBG14 MMAL_FOURCC('G', 'R', '1', '4')
+#define MMAL_ENCODING_BAYER_SRGGB14 MMAL_FOURCC('R', 'G', '1', '4')
+
+/* MIPI packed monochrome images */
+#define MMAL_ENCODING_GREY MMAL_FOURCC('G', 'R', 'E', 'Y')
+#define MMAL_ENCODING_Y10P MMAL_FOURCC('Y', '1', '0', 'P')
+#define MMAL_ENCODING_Y12P MMAL_FOURCC('Y', '1', '2', 'P')
+#define MMAL_ENCODING_Y14P MMAL_FOURCC('Y', '1', '4', 'P')
+#define MMAL_ENCODING_Y16 MMAL_FOURCC('Y', '1', '6', ' ')
+/* Unpacked monochrome formats (16bit per sample, but only N LSBs used) */
+#define MMAL_ENCODING_Y10 MMAL_FOURCC('Y', '1', '0', ' ')
+#define MMAL_ENCODING_Y12 MMAL_FOURCC('Y', '1', '2', ' ')
+#define MMAL_ENCODING_Y14 MMAL_FOURCC('Y', '1', '4', ' ')
+
/** An EGL image handle
*/
#define MMAL_ENCODING_EGL_IMAGE MMAL_FOURCC('E', 'G', 'L', 'I')
--
2.41.0