ipa: rpi: vc4: Add OV64A40 tuning files

Provide the OV64A40 tuning files for the Arducam Omnivision camera
module to operate on the VC4 ISP architecture on Raspberry Pi 4 and
below.

Signed-off-by: Lee Jackson <lee.jackson@arducam.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>

2 files changed, 423 insertions, 0 deletions

diff --git a/src/ipa/rpi/vc4/data/meson.build b/src/ipa/rpi/vc4/data/meson.build
index b4e45ad8..afbf875a 100644
--- a/src/ipa/rpi/vc4/data/meson.build
+++ b/src/ipa/rpi/vc4/data/meson.build
@@ -17,6 +17,7 @@ conf_files = files([
     'imx708_wide_noir.json',
     'ov5647.json',
     'ov5647_noir.json',
+    'ov64a40.json',
     'ov9281_mono.json',
     'se327m12.json',
     'uncalibrated.json',
diff --git a/src/ipa/rpi/vc4/data/ov64a40.json b/src/ipa/rpi/vc4/data/ov64a40.json
new file mode 100644
index 00000000..096f0b1e
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/ov64a40.json
@@ -0,0 +1,422 @@
+{
+    "version": 2.0,
+    "target": "bcm2835",
+    "algorithms": [
+        {
+            "rpi.black_level":
+            {
+                "black_level": 4096
+            }
+        },
+        {
+            "rpi.dpc": { }
+        },
+        {
+            "rpi.lux":
+            {
+                "reference_shutter_speed": 17861,
+                "reference_gain": 2.0,
+                "reference_aperture": 1.0,
+                "reference_lux": 1073,
+                "reference_Y": 9022
+            }
+        },
+        {
+            "rpi.noise":
+            {
+                "reference_constant": 0,
+                "reference_slope": 2.984
+            }
+        },
+        {
+            "rpi.geq":
+            {
+                "offset": 215,
+                "slope": 0.01121
+            }
+        },
+        {
+            "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": 8000
+                    },
+                    "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
+                    },
+                },
+                "bayes": 1,
+                "ct_curve":
+                [
+                    2300.0, 1.0522, 0.4091,
+                    2700.0, 0.7884, 0.4327,
+                    3000.0, 0.7597, 0.4421,
+                    4000.0, 0.5972, 0.5404,
+                    4150.0, 0.5598, 0.5779,
+                    6500.0, 0.4388, 0.7582
+                ],
+                "sensitivity_r": 1.0,
+                "sensitivity_b": 1.0,
+                "transverse_pos": 0.0558,
+                "transverse_neg": 0.04278
+            }
+        },
+        {
+            "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":
+            {
+                "omega": 1.3,
+                "n_iter": 100,
+                "luminance_strength": 0.8,
+                "calibrations_Cr": [
+                    {
+                        "ct": 6500,
+                        "table":
+                        [
+                            2.437, 2.415, 2.392, 2.378, 2.369, 2.353, 2.344, 2.336, 2.329, 2.325, 2.325, 2.325, 2.333, 2.344, 2.366, 2.381,
+                            2.434, 2.405, 2.386, 2.369, 2.361, 2.334, 2.314, 2.302, 2.295, 2.289, 2.289, 2.303, 2.327, 2.334, 2.356, 2.378,
+                            2.434, 2.405, 2.385, 2.363, 2.334, 2.314, 2.289, 2.277, 2.269, 2.262, 2.262, 2.283, 2.303, 2.328, 2.352, 2.375,
+                            2.434, 2.405, 2.385, 2.348, 2.315, 2.289, 2.277, 2.258, 2.251, 2.242, 2.249, 2.258, 2.283, 2.321, 2.352, 2.375,
+                            2.434, 2.413, 2.385, 2.343, 2.311, 2.282, 2.258, 2.251, 2.229, 2.233, 2.242, 2.251, 2.281, 2.321, 2.356, 2.375,
+                            2.437, 2.418, 2.388, 2.343, 2.311, 2.282, 2.251, 2.229, 2.221, 2.226, 2.233, 2.251, 2.281, 2.322, 2.361, 2.381,
+                            2.444, 2.422, 2.393, 2.351, 2.314, 2.284, 2.251, 2.227, 2.221, 2.227, 2.234, 2.256, 2.287, 2.326, 2.366, 2.389,
+                            2.445, 2.424, 2.395, 2.353, 2.316, 2.287, 2.266, 2.251, 2.228, 2.234, 2.251, 2.259, 2.289, 2.331, 2.371, 2.395,
+                            2.445, 2.424, 2.399, 2.364, 2.329, 2.308, 2.287, 2.266, 2.259, 2.254, 2.259, 2.283, 2.304, 2.343, 2.375, 2.395,
+                            2.445, 2.425, 2.407, 2.385, 2.364, 2.329, 2.308, 2.299, 2.291, 2.284, 2.284, 2.304, 2.335, 2.354, 2.381, 2.399,
+                            2.449, 2.427, 2.418, 2.407, 2.385, 2.364, 2.349, 2.338, 2.333, 2.326, 2.326, 2.335, 2.354, 2.374, 2.389, 2.408,
+                            2.458, 2.441, 2.427, 2.411, 2.403, 2.395, 2.391, 2.383, 2.375, 2.369, 2.369, 2.369, 2.369, 2.385, 2.408, 2.418
+                        ]
+                    }
+                ],
+                "calibrations_Cb": [
+                    {
+                        "ct": 6500,
+                        "table":
+                        [
+                            1.297, 1.297, 1.289, 1.289, 1.289, 1.291, 1.293, 1.294, 1.294, 1.294, 1.294, 1.296, 1.298, 1.304, 1.312, 1.313,
+                            1.297, 1.289, 1.286, 1.286, 1.287, 1.289, 1.292, 1.294, 1.294, 1.294, 1.294, 1.294, 1.296, 1.298, 1.306, 1.312,
+                            1.289, 1.286, 1.283, 1.283, 1.285, 1.287, 1.291, 1.294, 1.294, 1.292, 1.291, 1.289, 1.293, 1.294, 1.298, 1.304,
+                            1.283, 1.282, 1.279, 1.281, 1.282, 1.285, 1.287, 1.294, 1.294, 1.291, 1.289, 1.289, 1.289, 1.293, 1.294, 1.298,
+                            1.281, 1.279, 1.279, 1.279, 1.281, 1.283, 1.287, 1.292, 1.292, 1.291, 1.291, 1.289, 1.289, 1.291, 1.294, 1.297,
+                            1.279, 1.277, 1.277, 1.279, 1.281, 1.282, 1.286, 1.289, 1.291, 1.291, 1.291, 1.291, 1.289, 1.291, 1.293, 1.297,
+                            1.277, 1.275, 1.275, 1.278, 1.279, 1.281, 1.284, 1.287, 1.289, 1.291, 1.291, 1.291, 1.289, 1.289, 1.292, 1.297,
+                            1.277, 1.275, 1.274, 1.275, 1.277, 1.278, 1.279, 1.284, 1.285, 1.285, 1.286, 1.288, 1.289, 1.289, 1.292, 1.297,
+                            1.277, 1.272, 1.272, 1.274, 1.274, 1.277, 1.279, 1.282, 1.284, 1.284, 1.285, 1.286, 1.288, 1.289, 1.292, 1.297,
+                            1.277, 1.272, 1.272, 1.273, 1.274, 1.276, 1.279, 1.282, 1.284, 1.284, 1.286, 1.286, 1.288, 1.289, 1.293, 1.297,
+                            1.279, 1.272, 1.271, 1.272, 1.274, 1.276, 1.279, 1.283, 1.284, 1.284, 1.285, 1.286, 1.288, 1.291, 1.294, 1.299,
+                            1.281, 1.274, 1.271, 1.271, 1.273, 1.276, 1.278, 1.282, 1.284, 1.284, 1.285, 1.286, 1.286, 1.291, 1.295, 1.302
+                        ]
+                    }
+                ],
+                "luminance_lut":
+                [
+                    3.811, 3.611, 3.038, 2.632, 2.291, 2.044, 1.967, 1.957, 1.957, 1.957, 2.009, 2.222, 2.541, 2.926, 3.455, 3.652,
+                    3.611, 3.135, 2.636, 2.343, 2.044, 1.846, 1.703, 1.626, 1.626, 1.671, 1.796, 1.983, 2.266, 2.549, 3.007, 3.455,
+                    3.135, 2.781, 2.343, 2.044, 1.831, 1.554, 1.411, 1.337, 1.337, 1.379, 1.502, 1.749, 1.983, 2.266, 2.671, 3.007,
+                    2.903, 2.538, 2.149, 1.831, 1.554, 1.401, 1.208, 1.145, 1.145, 1.183, 1.339, 1.502, 1.749, 2.072, 2.446, 2.801,
+                    2.812, 2.389, 2.018, 1.684, 1.401, 1.208, 1.139, 1.028, 1.028, 1.109, 1.183, 1.339, 1.604, 1.939, 2.309, 2.723,
+                    2.799, 2.317, 1.948, 1.606, 1.327, 1.139, 1.028, 1.019, 1.001, 1.021, 1.109, 1.272, 1.531, 1.869, 2.246, 2.717,
+                    2.799, 2.317, 1.948, 1.606, 1.327, 1.139, 1.027, 1.006, 1.001, 1.007, 1.109, 1.272, 1.531, 1.869, 2.246, 2.717,
+                    2.799, 2.372, 1.997, 1.661, 1.378, 1.184, 1.118, 1.019, 1.012, 1.103, 1.158, 1.326, 1.589, 1.926, 2.302, 2.717,
+                    2.884, 2.507, 2.116, 1.795, 1.511, 1.361, 1.184, 1.118, 1.118, 1.158, 1.326, 1.461, 1.726, 2.056, 2.434, 2.799,
+                    3.083, 2.738, 2.303, 1.989, 1.783, 1.511, 1.361, 1.291, 1.291, 1.337, 1.461, 1.726, 1.942, 2.251, 2.657, 2.999,
+                    3.578, 3.083, 2.589, 2.303, 1.989, 1.783, 1.637, 1.563, 1.563, 1.613, 1.743, 1.942, 2.251, 2.537, 2.999, 3.492,
+                    3.764, 3.578, 2.999, 2.583, 2.237, 1.986, 1.913, 1.905, 1.905, 1.905, 1.962, 2.196, 2.525, 2.932, 3.492, 3.659
+                ],
+                "sigma": 0.005,
+                "sigma_Cb": 0.005
+            }
+        },
+        {
+            "rpi.contrast":
+            {
+                "ce_enable": 1,
+                "gamma_curve":
+                [
+                    0, 0,
+                    1024, 5040,
+                    2048, 9338,
+                    3072, 12356,
+                    4096, 15312,
+                    5120, 18051,
+                    6144, 20790,
+                    7168, 23193,
+                    8192, 25744,
+                    9216, 27942,
+                    10240, 30035,
+                    11264, 32005,
+                    12288, 33975,
+                    13312, 35815,
+                    14336, 37600,
+                    15360, 39168,
+                    16384, 40642,
+                    18432, 43379,
+                    20480, 45749,
+                    22528, 47753,
+                    24576, 49621,
+                    26624, 51253,
+                    28672, 52698,
+                    30720, 53796,
+                    32768, 54876,
+                    36864, 57012,
+                    40960, 58656,
+                    45056, 59954,
+                    49152, 61183,
+                    53248, 62355,
+                    57344, 63419,
+                    61440, 64476,
+                    65535, 65535
+                ]
+            }
+        },
+        {
+            "rpi.ccm":
+            {
+                "ccms": [
+                    {
+                        "ct": 2300,
+                        "ccm":
+                        [
+                            1.77644, -0.14825, -0.62819,
+                            -0.25816, 1.66348, -0.40532,
+                            -0.21633, -1.95132, 3.16765
+                        ]
+                    },
+                    {
+                        "ct": 2700,
+                        "ccm":
+                        [
+                            1.53605, 0.03047, -0.56652,
+                            -0.27159, 1.78525, -0.51366,
+                            -0.13581, -1.22128, 2.35709
+                        ]
+                    },
+                    {
+                        "ct": 3000,
+                        "ccm":
+                        [
+                            1.72928, -0.18819, -0.54108,
+                            -0.44398, 2.04756, -0.60358,
+                            -0.13203, -0.94711, 2.07913
+                        ]
+                    },
+                    {
+                        "ct": 4000,
+                        "ccm":
+                        [
+                            1.69895, -0.23055, -0.46841,
+                            -0.33934, 1.80391, -0.46456,
+                            -0.13902, -0.75385, 1.89287
+                        ]
+                    },
+                    {
+                        "ct": 4150,
+                        "ccm":
+                        [
+                            2.08494, -0.68698, -0.39796,
+                            -0.37928, 1.78795, -0.40867,
+                            -0.11537, -0.74686, 1.86223
+                        ]
+                    },
+                    {
+                        "ct": 6500,
+                        "ccm":
+                        [
+                            1.69813, -0.27304, -0.42509,
+                            -0.23364, 1.87586, -0.64221,
+                            -0.07587, -0.62348, 1.69935
+                        ]
+                    }
+                ]
+            }
+        },
+        {
+            "rpi.sharpen": { }
+        },
+        {
+            "rpi.af":
+            {
+                "ranges":
+                {
+                    "normal":
+                    {
+                        "min": 0.0,
+                        "max": 12.0,
+                        "default": 1.0
+                    },
+                    "macro":
+                    {
+                        "min": 3.0,
+                        "max": 15.0,
+                        "default": 4.0
+                    }
+                },
+                "speeds":
+                {
+                    "normal":
+                    {
+                        "step_coarse": 1.0,
+                        "step_fine": 0.25,
+                        "contrast_ratio": 0.75,
+                        "pdaf_gain": -0.02,
+                        "pdaf_squelch": 0.125,
+                        "max_slew": 2.0,
+                        "pdaf_frames": 0,
+                        "dropout_frames": 0,
+                        "step_frames": 4
+                    }
+                },
+                "conf_epsilon": 8,
+                "conf_thresh": 16,
+                "conf_clip": 512,
+                "skip_frames": 5,
+                "map": [ 0.0, 0, 15.0, 1023 ]
+            }
+        }
+    ]
+}
\ No newline at end of file