libcamera: ipa: raspberrypi: Add support for imx519 sensor

The necessary tuning file and CamHelper is added for the imx519 sensor.

The imx519 is a 16MP rolling shutter sensor. To enable
it, please add

dtoverlay=imx519

to the /boot/config.txt file and reboot the Pi.

Signed-off-by: Lee Jackson <info@arducam.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

1 files changed, 338 insertions, 0 deletions

diff --git a/src/ipa/raspberrypi/data/imx519.json b/src/ipa/raspberrypi/data/imx519.json
new file mode 100644
index 00000000..164d0d9d
--- /dev/null
+++ b/src/ipa/raspberrypi/data/imx519.json
@@ -0,0 +1,338 @@
+{
+    "rpi.black_level":
+    {
+        "black_level": 4096
+    },
+    "rpi.dpc":
+    {
+    },
+    "rpi.lux":
+    {
+        "reference_shutter_speed": 13841,
+        "reference_gain": 2.0,
+        "reference_aperture": 1.0,
+        "reference_lux": 900,
+        "reference_Y": 12064
+    },
+    "rpi.noise":
+    {
+        "reference_constant": 0,
+        "reference_slope": 2.776
+    },
+    "rpi.geq":
+    {
+        "offset": 189,
+        "slope": 0.01495
+    },
+    "rpi.sdn":
+    {
+    },
+    "rpi.awb":
+    {
+        "priors":
+        [
+            {
+                "lux": 0, "prior":
+                [
+                    2000, 1.0, 3000, 0.0, 13000, 0.0
+                ]
+            },
+            {
+                "lux": 800, "prior":
+                [
+                    2000, 0.0, 6000, 2.0, 13000, 2.0
+                ]
+            },
+            {
+                "lux": 1500, "prior":
+                [
+                    2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0
+                ]
+            }
+        ],
+        "modes":
+        {
+            "auto":
+            {
+                "lo": 2500,
+                "hi": 7900
+            },
+            "incandescent":
+            {
+                "lo": 2500,
+                "hi": 3000
+            },
+            "tungsten":
+            {
+                "lo": 3000,
+                "hi": 3500
+            },
+            "fluorescent":
+            {
+                "lo": 4000,
+                "hi": 4700
+            },
+            "indoor":
+            {
+                "lo": 3000,
+                "hi": 5000
+            },
+            "daylight":
+            {
+                "lo": 5500,
+                "hi": 6500
+            },
+            "cloudy":
+            {
+                "lo": 7000,
+                "hi": 8000
+            }
+        },
+        "bayes": 1,
+        "ct_curve":
+        [
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+        ],
+        "sensitivity_r": 1.0,
+        "sensitivity_b": 1.0,
+        "transverse_pos": 0.02027,
+        "transverse_neg": 0.01935
+    },
+    "rpi.agc":
+    {
+        "metering_modes":
+        {
+            "centre-weighted":
+            {
+                "weights":
+                [
+                    3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+                ]
+            },
+            "spot":
+            {
+                "weights":
+                [
+                    2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+                ]
+            },
+            "matrix":
+            {
+                "weights":
+                [
+                    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+                ]
+            }
+        },
+        "exposure_modes":
+        {
+            "normal":
+            {
+                "shutter":
+                [
+                    100, 10000, 30000, 60000, 120000
+                ],
+                "gain":
+                [
+                    1.0, 2.0, 4.0, 6.0, 6.0
+                ]
+            },
+            "short":
+            {
+                "shutter":
+                [
+                    100, 5000, 10000, 20000, 120000
+                ],
+                "gain":
+                [
+                    1.0, 2.0, 4.0, 6.0, 6.0
+                ]
+            }
+        },
+        "constraint_modes":
+        {
+            "normal":
+            [
+                {
+                    "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
+                    [
+                        0, 0.5, 1000, 0.5
+                    ]
+                }
+            ],
+            "highlight":
+            [
+                {
+                    "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
+                    [
+                        0, 0.5, 1000, 0.5
+                    ]
+                },
+                {
+                    "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
+                    [
+                        0, 0.8, 1000, 0.8
+                    ]
+                }
+            ]
+        },
+        "y_target":
+        [
+            0, 0.16, 1000, 0.165, 10000, 0.17
+        ]
+    },
+    "rpi.alsc":
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+        [
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+        ],
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+        ],
+        "sigma": 0.00372,
+        "sigma_Cb": 0.00244
+    },
+    "rpi.contrast":
+    {
+        "ce_enable": 1,
+        "gamma_curve":
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+            65535, 65535
+        ]
+    },
+    "rpi.ccm":
+    {
+        "ccms":
+        [
+            {
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+                [
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+                ]
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+                ]
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+            {
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+                ]
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+                ]
+            },
+            {
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+                ]
+            },
+            {
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+                ]
+            }
+        ]
+    },
+    "rpi.sharpen":
+    {
+    }
+}