pipeline: ipa: raspberrypi: Refactor and move the Raspberry Pi code

Split the Raspberry Pi pipeline handler and IPA source code into common
and VC4/BCM2835 specific file structures.

For the pipeline handler, the common code files now live in
src/libcamera/pipeline/rpi/common/
and the VC4-specific files in src/libcamera/pipeline/rpi/vc4/.

For the IPA, the common code files now live in
src/ipa/rpi/{cam_helper,controller}/
and the vc4 specific files in src/ipa/rpi/vc4/. With this change, the
camera tuning files are now installed under share/libcamera/ipa/rpi/vc4/.

To build the pipeline and IPA, the meson configuration options have now
changed from "raspberrypi" to "rpi/vc4":

meson setup build -Dipas=rpi/vc4 -Dpipelines=rpi/vc4

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 418 insertions, 0 deletions

diff --git a/src/ipa/rpi/vc4/data/se327m12.json b/src/ipa/rpi/vc4/data/se327m12.json
new file mode 100644
index 00000000..ee69caea
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/se327m12.json
@@ -0,0 +1,418 @@
+{
+    "version": 2.0,
+    "target": "bcm2835",
+    "algorithms": [
+        {
+            "rpi.black_level":
+            {
+                "black_level": 3840
+            }
+        },
+        {
+            "rpi.dpc": { }
+        },
+        {
+            "rpi.lux":
+            {
+                "reference_shutter_speed": 6873,
+                "reference_gain": 1.0,
+                "reference_aperture": 1.0,
+                "reference_lux": 800,
+                "reference_Y": 12293
+            }
+        },
+        {
+            "rpi.noise":
+            {
+                "reference_constant": 0,
+                "reference_slope": 1.986
+            }
+        },
+        {
+            "rpi.geq":
+            {
+                "offset": 207,
+                "slope": 0.00539
+            }
+        },
+        {
+            "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
+                    },
+                    "cloudy":
+                    {
+                        "lo": 7000,
+                        "hi": 8600
+                    }
+                },
+                "bayes": 1,
+                "ct_curve":
+                [
+                    2900.0, 0.9217, 0.3657,
+                    3600.0, 0.7876, 0.4651,
+                    4600.0, 0.6807, 0.5684,
+                    5800.0, 0.5937, 0.6724,
+                    8100.0, 0.5447, 0.7403
+                ],
+                "sensitivity_r": 1.0,
+                "sensitivity_b": 1.0,
+                "transverse_pos": 0.0162,
+                "transverse_neg": 0.0204
+            }
+        },
+        {
+            "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, 8.0 ]
+                    },
+                    "short":
+                    {
+                        "shutter": [ 100, 5000, 10000, 20000, 120000 ],
+                        "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+                    }
+                },
+                "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": 0.5,
+                "calibrations_Cr": [
+                    {
+                        "ct": 4000,
+                        "table":
+                        [
+                            1.481, 1.471, 1.449, 1.429, 1.416, 1.404, 1.394, 1.389, 1.389, 1.389, 1.392, 1.397, 1.404, 1.416, 1.429, 1.437,
+                            1.472, 1.456, 1.436, 1.418, 1.405, 1.394, 1.389, 1.384, 1.382, 1.382, 1.386, 1.388, 1.398, 1.407, 1.422, 1.429,
+                            1.465, 1.443, 1.426, 1.411, 1.397, 1.389, 1.383, 1.377, 1.377, 1.377, 1.379, 1.384, 1.388, 1.398, 1.411, 1.422,
+                            1.462, 1.441, 1.423, 1.409, 1.395, 1.385, 1.379, 1.376, 1.374, 1.374, 1.375, 1.379, 1.384, 1.394, 1.407, 1.418,
+                            1.461, 1.439, 1.421, 1.407, 1.394, 1.385, 1.381, 1.376, 1.373, 1.373, 1.373, 1.376, 1.381, 1.389, 1.403, 1.415,
+                            1.461, 1.439, 1.419, 1.404, 1.392, 1.384, 1.379, 1.376, 1.373, 1.372, 1.374, 1.375, 1.379, 1.389, 1.401, 1.413,
+                            1.461, 1.438, 1.419, 1.402, 1.389, 1.383, 1.377, 1.375, 1.373, 1.372, 1.372, 1.375, 1.381, 1.388, 1.401, 1.414,
+                            1.462, 1.438, 1.419, 1.403, 1.391, 1.381, 1.377, 1.374, 1.373, 1.373, 1.374, 1.376, 1.381, 1.389, 1.401, 1.414,
+                            1.462, 1.441, 1.423, 1.405, 1.392, 1.383, 1.377, 1.374, 1.373, 1.372, 1.373, 1.376, 1.382, 1.391, 1.402, 1.414,
+                            1.465, 1.444, 1.424, 1.407, 1.393, 1.382, 1.378, 1.373, 1.369, 1.369, 1.372, 1.375, 1.381, 1.389, 1.402, 1.417,
+                            1.469, 1.449, 1.427, 1.413, 1.396, 1.384, 1.381, 1.375, 1.371, 1.371, 1.373, 1.377, 1.385, 1.393, 1.407, 1.422,
+                            1.474, 1.456, 1.436, 1.419, 1.407, 1.391, 1.383, 1.379, 1.377, 1.377, 1.378, 1.381, 1.391, 1.404, 1.422, 1.426
+                        ]
+                    },
+                    {
+                        "ct": 5000,
+                        "table":
+                        [
+                            1.742, 1.721, 1.689, 1.661, 1.639, 1.623, 1.613, 1.609, 1.607, 1.606, 1.609, 1.617, 1.626, 1.641, 1.665, 1.681,
+                            1.728, 1.703, 1.672, 1.645, 1.631, 1.614, 1.602, 1.599, 1.596, 1.597, 1.601, 1.608, 1.618, 1.631, 1.653, 1.671,
+                            1.713, 1.691, 1.658, 1.635, 1.618, 1.606, 1.595, 1.591, 1.588, 1.588, 1.591, 1.601, 1.608, 1.624, 1.641, 1.658,
+                            1.707, 1.681, 1.651, 1.627, 1.613, 1.599, 1.591, 1.585, 1.583, 1.584, 1.587, 1.591, 1.601, 1.615, 1.633, 1.655,
+                            1.699, 1.672, 1.644, 1.622, 1.606, 1.593, 1.586, 1.581, 1.579, 1.581, 1.583, 1.587, 1.597, 1.611, 1.631, 1.652,
+                            1.697, 1.665, 1.637, 1.617, 1.601, 1.589, 1.584, 1.579, 1.577, 1.578, 1.581, 1.585, 1.597, 1.607, 1.627, 1.652,
+                            1.697, 1.662, 1.634, 1.613, 1.599, 1.591, 1.583, 1.578, 1.576, 1.576, 1.579, 1.586, 1.597, 1.607, 1.628, 1.653,
+                            1.697, 1.662, 1.633, 1.613, 1.598, 1.589, 1.582, 1.578, 1.576, 1.577, 1.582, 1.589, 1.598, 1.611, 1.635, 1.655,
+                            1.701, 1.666, 1.636, 1.616, 1.602, 1.589, 1.583, 1.578, 1.577, 1.581, 1.583, 1.591, 1.601, 1.617, 1.639, 1.659,
+                            1.708, 1.671, 1.641, 1.618, 1.603, 1.591, 1.584, 1.581, 1.578, 1.581, 1.585, 1.594, 1.604, 1.622, 1.646, 1.666,
+                            1.714, 1.681, 1.648, 1.622, 1.608, 1.599, 1.591, 1.584, 1.583, 1.584, 1.589, 1.599, 1.614, 1.629, 1.653, 1.673,
+                            1.719, 1.691, 1.659, 1.631, 1.618, 1.606, 1.596, 1.591, 1.591, 1.593, 1.599, 1.608, 1.623, 1.642, 1.665, 1.681
+                        ]
+                    }
+                ],
+                "calibrations_Cb": [
+                    {
+                        "ct": 4000,
+                        "table":
+                        [
+                            2.253, 2.267, 2.289, 2.317, 2.342, 2.359, 2.373, 2.381, 2.381, 2.378, 2.368, 2.361, 2.344, 2.337, 2.314, 2.301,
+                            2.262, 2.284, 2.314, 2.335, 2.352, 2.371, 2.383, 2.391, 2.393, 2.391, 2.381, 2.368, 2.361, 2.342, 2.322, 2.308,
+                            2.277, 2.303, 2.321, 2.346, 2.364, 2.381, 2.391, 2.395, 2.397, 2.397, 2.395, 2.381, 2.367, 2.354, 2.332, 2.321,
+                            2.277, 2.304, 2.327, 2.349, 2.369, 2.388, 2.393, 2.396, 2.396, 2.398, 2.396, 2.391, 2.376, 2.359, 2.339, 2.328,
+                            2.279, 2.311, 2.327, 2.354, 2.377, 2.389, 2.393, 2.397, 2.397, 2.398, 2.395, 2.393, 2.382, 2.363, 2.344, 2.332,
+                            2.282, 2.311, 2.329, 2.354, 2.377, 2.386, 2.396, 2.396, 2.395, 2.396, 2.397, 2.394, 2.383, 2.367, 2.346, 2.333,
+                            2.283, 2.314, 2.333, 2.353, 2.375, 2.389, 2.394, 2.395, 2.395, 2.395, 2.396, 2.394, 2.386, 2.368, 2.354, 2.336,
+                            2.287, 2.309, 2.331, 2.352, 2.373, 2.386, 2.394, 2.395, 2.395, 2.396, 2.396, 2.394, 2.384, 2.371, 2.354, 2.339,
+                            2.289, 2.307, 2.326, 2.347, 2.369, 2.385, 2.392, 2.397, 2.398, 2.398, 2.397, 2.392, 2.383, 2.367, 2.352, 2.337,
+                            2.286, 2.303, 2.322, 2.342, 2.361, 2.379, 2.389, 2.394, 2.397, 2.398, 2.396, 2.389, 2.381, 2.366, 2.346, 2.332,
+                            2.284, 2.291, 2.312, 2.329, 2.351, 2.372, 2.381, 2.389, 2.393, 2.394, 2.389, 2.385, 2.374, 2.362, 2.338, 2.325,
+                            2.283, 2.288, 2.305, 2.319, 2.339, 2.365, 2.374, 2.381, 2.384, 2.386, 2.385, 2.379, 2.368, 2.342, 2.325, 2.318
+                        ]
+                    },
+                    {
+                        "ct": 5000,
+                        "table":
+                        [
+                            1.897, 1.919, 1.941, 1.969, 1.989, 2.003, 2.014, 2.019, 2.019, 2.017, 2.014, 2.008, 1.999, 1.988, 1.968, 1.944,
+                            1.914, 1.932, 1.957, 1.982, 1.998, 2.014, 2.023, 2.029, 2.031, 2.029, 2.022, 2.014, 2.006, 1.995, 1.976, 1.955,
+                            1.925, 1.951, 1.974, 1.996, 2.013, 2.027, 2.035, 2.039, 2.039, 2.038, 2.035, 2.026, 2.015, 2.002, 1.984, 1.963,
+                            1.932, 1.958, 1.986, 2.007, 2.024, 2.034, 2.041, 2.041, 2.045, 2.045, 2.042, 2.033, 2.023, 2.009, 1.995, 1.971,
+                            1.942, 1.964, 1.994, 2.012, 2.029, 2.038, 2.043, 2.046, 2.047, 2.046, 2.045, 2.039, 2.029, 2.014, 1.997, 1.977,
+                            1.946, 1.974, 1.999, 2.015, 2.031, 2.041, 2.046, 2.047, 2.048, 2.047, 2.044, 2.041, 2.031, 2.019, 1.999, 1.978,
+                            1.948, 1.975, 2.002, 2.018, 2.031, 2.041, 2.046, 2.047, 2.048, 2.048, 2.045, 2.041, 2.029, 2.019, 1.998, 1.978,
+                            1.948, 1.973, 2.002, 2.018, 2.029, 2.042, 2.045, 2.048, 2.048, 2.048, 2.044, 2.037, 2.027, 2.014, 1.993, 1.978,
+                            1.945, 1.969, 1.998, 2.015, 2.028, 2.037, 2.045, 2.046, 2.047, 2.044, 2.039, 2.033, 2.022, 2.008, 1.989, 1.971,
+                            1.939, 1.964, 1.991, 2.011, 2.024, 2.032, 2.036, 2.042, 2.042, 2.039, 2.035, 2.024, 2.012, 1.998, 1.977, 1.964,
+                            1.932, 1.953, 1.981, 2.006, 2.016, 2.024, 2.028, 2.031, 2.034, 2.031, 2.024, 2.015, 2.005, 1.989, 1.966, 1.955,
+                            1.928, 1.944, 1.973, 1.999, 2.007, 2.016, 2.019, 2.025, 2.026, 2.025, 2.017, 2.008, 1.997, 1.975, 1.958, 1.947
+                        ]
+                    }
+                ],
+                "luminance_lut":
+                [
+                    1.877, 1.597, 1.397, 1.269, 1.191, 1.131, 1.093, 1.078, 1.071, 1.069, 1.086, 1.135, 1.221, 1.331, 1.474, 1.704,
+                    1.749, 1.506, 1.334, 1.229, 1.149, 1.088, 1.058, 1.053, 1.051, 1.046, 1.053, 1.091, 1.163, 1.259, 1.387, 1.587,
+                    1.661, 1.451, 1.295, 1.195, 1.113, 1.061, 1.049, 1.048, 1.047, 1.049, 1.049, 1.066, 1.124, 1.211, 1.333, 1.511,
+                    1.615, 1.411, 1.267, 1.165, 1.086, 1.052, 1.047, 1.047, 1.047, 1.049, 1.052, 1.056, 1.099, 1.181, 1.303, 1.471,
+                    1.576, 1.385, 1.252, 1.144, 1.068, 1.049, 1.044, 1.044, 1.045, 1.049, 1.053, 1.054, 1.083, 1.163, 1.283, 1.447,
+                    1.561, 1.373, 1.245, 1.135, 1.064, 1.049, 1.044, 1.044, 1.044, 1.046, 1.048, 1.054, 1.073, 1.153, 1.271, 1.432,
+                    1.571, 1.377, 1.242, 1.137, 1.066, 1.055, 1.052, 1.051, 1.051, 1.049, 1.047, 1.048, 1.068, 1.148, 1.271, 1.427,
+                    1.582, 1.396, 1.259, 1.156, 1.085, 1.068, 1.059, 1.054, 1.049, 1.045, 1.041, 1.043, 1.074, 1.157, 1.284, 1.444,
+                    1.623, 1.428, 1.283, 1.178, 1.105, 1.074, 1.069, 1.063, 1.056, 1.048, 1.046, 1.051, 1.094, 1.182, 1.311, 1.473,
+                    1.691, 1.471, 1.321, 1.213, 1.135, 1.088, 1.073, 1.069, 1.063, 1.059, 1.053, 1.071, 1.129, 1.222, 1.351, 1.521,
+                    1.808, 1.543, 1.371, 1.253, 1.174, 1.118, 1.085, 1.072, 1.067, 1.064, 1.071, 1.106, 1.176, 1.274, 1.398, 1.582,
+                    1.969, 1.666, 1.447, 1.316, 1.223, 1.166, 1.123, 1.094, 1.089, 1.097, 1.118, 1.163, 1.239, 1.336, 1.471, 1.681
+                ],
+                "sigma": 0.00218,
+                "sigma_Cb": 0.00194
+            }
+        },
+        {
+            "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": 2900,
+                        "ccm":
+                        [
+                            1.44924, -0.12935, -0.31989,
+                            -0.65839, 1.95441, -0.29602,
+                            0.18344, -1.22282, 2.03938
+                        ]
+                    },
+                    {
+                        "ct": 3000,
+                        "ccm":
+                        [
+                            1.38736, 0.07714, -0.46451,
+                            -0.59691, 1.84335, -0.24644,
+                            0.10092, -1.30441, 2.20349
+                        ]
+                    },
+                    {
+                        "ct": 3600,
+                        "ccm":
+                        [
+                            1.51261, -0.27921, -0.23339,
+                            -0.55129, 1.83241, -0.28111,
+                            0.11649, -0.93195, 1.81546
+                        ]
+                    },
+                    {
+                        "ct": 4600,
+                        "ccm":
+                        [
+                            1.47082, -0.18523, -0.28559,
+                            -0.48923, 1.95126, -0.46203,
+                            0.07951, -0.83987, 1.76036
+                        ]
+                    },
+                    {
+                        "ct": 5800,
+                        "ccm":
+                        [
+                            1.57294, -0.36229, -0.21065,
+                            -0.42272, 1.80305, -0.38032,
+                            0.03671, -0.66862, 1.63191
+                        ]
+                    },
+                    {
+                        "ct": 8100,
+                        "ccm":
+                        [
+                            1.58803, -0.09912, -0.48891,
+                            -0.42594, 2.22303, -0.79709,
+                            -0.00621, -0.90516, 1.91137
+                        ]
+                    }
+                ]
+            }
+        },
+        {
+            "rpi.sharpen":
+            {
+                "threshold": 2.0,
+                "strength": 0.5,
+                "limit": 0.5
+            }
+        }
+    ]
+}
\ No newline at end of file