[PATCH 2/2] ipa: rpi: Add IMX283 support

willl will will at willwhang.com
Wed Mar 20 19:08:56 CET 2024


Hi Naushir,

I can update the calibration file later this week with the cloudy weather
coming up : D.
I thought the CT curve can extrapolate over the existing range, but if not
I can try to covers it.
Thanks,
Wei-Chun

Naushir Patuck <naush at raspberrypi.com> 於 2024年3月20日 週三 上午2:22寫道:

> Hi Will,
>
> Thank you for this patch!
>
> On Tue, 19 Mar 2024 at 15:11, Kieran Bingham
> <kieran.bingham at ideasonboard.com> wrote:
> >
> > From: Will Whang <will at willwhang.com>
> >
> > Add tuning files and camera helpers for the Sony IMX283.
> >
> > Signed-off-by: Will Whang <will at willwhang.com>
> > [Kieran: Fix checkstyle formatting, extend commit message, remove pi5]
> > Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
> >
> > ---
> > This is a partial cherry-pick from
> > https://github.com/raspberrypi/libcamera/pull/118
> >
> > The Pi5 support has not been included, as Pi5 is not yet upstream.
> > Once Pi5 is submitted, the remaining components from
> > https://github.com/raspberrypi/libcamera/pull/118 for the IMX283 should
> > be submitted on top.
> >
> > Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
> > ---
> >  src/ipa/rpi/cam_helper/cam_helper_imx283.cpp |  73 +++++
> >  src/ipa/rpi/cam_helper/meson.build           |   1 +
> >  src/ipa/rpi/vc4/data/imx283.json             | 320 +++++++++++++++++++
> >  src/ipa/rpi/vc4/data/meson.build             |   1 +
> >  4 files changed, 395 insertions(+)
> >  create mode 100644 src/ipa/rpi/cam_helper/cam_helper_imx283.cpp
> >  create mode 100644 src/ipa/rpi/vc4/data/imx283.json
> >
> > diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx283.cpp
> b/src/ipa/rpi/cam_helper/cam_helper_imx283.cpp
> > new file mode 100644
> > index 000000000000..5674b75466b5
> > --- /dev/null
> > +++ b/src/ipa/rpi/cam_helper/cam_helper_imx283.cpp
> > @@ -0,0 +1,73 @@
> > +/* SPDX-License-Identifier: BSD-2-Clause */
> > +/*
> > + * Copyright (C) 2021, Raspberry Pi Ltd
> > + *
> > + * cam_helper_imx283.cpp - camera information for imx283 sensor
> > + */
> > +
> > +#include <assert.h>
> > +
> > +#include "cam_helper.h"
> > +#include "math.h"
> > +using namespace RPiController;
> > +
> > +class CamHelperImx283 : public CamHelper
> > +{
> > +public:
> > +       CamHelperImx283();
> > +       uint32_t gainCode(double gain) const override;
> > +       double gain(uint32_t gainCode) const override;
> > +       void getDelays(int &exposureDelay, int &gainDelay,
> > +                      int &vblankDelay, int &hblankDelay) const
> override;
> > +       unsigned int hideFramesModeSwitch() const override;
> > +
> > +private:
> > +       /*
> > +        * Smallest difference between the frame length and integration
> time,
> > +        * in units of lines.
> > +        */
> > +       static constexpr int frameIntegrationDiff = 4;
> > +};
> > +
> > +/*
> > + * Imx283 doesn't output metadata, so we have to use the "unicam
> parser" which
> > + * works by counting frames.
> > + */
> > +
> > +CamHelperImx283::CamHelperImx283()
> > +       : CamHelper({}, frameIntegrationDiff)
> > +{
> > +}
> > +
> > +uint32_t CamHelperImx283::gainCode(double gain) const
> > +{
> > +       return static_cast<uint32_t>(2048.0 - 2048.0 / gain);
> > +}
> > +
> > +double CamHelperImx283::gain(uint32_t gainCode) const
> > +{
> > +       return static_cast<double>(2048.0 / (2048 - gainCode));
> > +}
> > +
> > +void CamHelperImx283::getDelays(int &exposureDelay, int &gainDelay,
> > +                               int &vblankDelay, int &hblankDelay) const
> > +{
> > +       /* The driver appears to behave as follows: */
> > +       exposureDelay = 2;
> > +       gainDelay = 2;
> > +       vblankDelay = 2;
> > +       hblankDelay = 2;
> > +}
> > +
> > +unsigned int CamHelperImx283::hideFramesModeSwitch() const
> > +{
> > +       /* After a mode switch, we seem to get 1 bad frame. */
> > +       return 1;
> > +}
> > +
> > +static CamHelper *create()
> > +{
> > +       return new CamHelperImx283();
> > +}
> > +
> > +static RegisterCamHelper reg("imx283", &create);
> > diff --git a/src/ipa/rpi/cam_helper/meson.build
> b/src/ipa/rpi/cam_helper/meson.build
> > index 7262505742f3..1e43f1da29cd 100644
> > --- a/src/ipa/rpi/cam_helper/meson.build
> > +++ b/src/ipa/rpi/cam_helper/meson.build
> > @@ -4,6 +4,7 @@ rpi_ipa_cam_helper_sources = files([
> >      'cam_helper.cpp',
> >      'cam_helper_ov5647.cpp',
> >      'cam_helper_imx219.cpp',
> > +    'cam_helper_imx283.cpp',
> >      'cam_helper_imx290.cpp',
> >      'cam_helper_imx296.cpp',
> >      'cam_helper_imx477.cpp',
> > diff --git a/src/ipa/rpi/vc4/data/imx283.json
> b/src/ipa/rpi/vc4/data/imx283.json
> > new file mode 100644
> > index 000000000000..20892de19299
> > --- /dev/null
> > +++ b/src/ipa/rpi/vc4/data/imx283.json
> > @@ -0,0 +1,320 @@
> > +{
> > +    "version": 2.0,
> > +    "target": "bcm2835",
> > +    "algorithms": [
> > +        {
> > +            "rpi.black_level":
> > +            {
> > +                "black_level": 3200
> > +            }
> > +        },
> > +        {
> > +            "rpi.dpc": { }
> > +        },
> > +        {
> > +            "rpi.lux":
> > +            {
> > +                "reference_shutter_speed": 2461,
> > +                "reference_gain": 1.0,
> > +                "reference_aperture": 1.0,
> > +                "reference_lux": 1148,
> > +                "reference_Y": 13314
> > +            }
> > +        },
> > +        {
> > +            "rpi.noise":
> > +            {
> > +                "reference_constant": 0,
> > +                "reference_slope": 2.204
> > +            }
> > +        },
> > +        {
> > +            "rpi.geq":
> > +            {
> > +                "offset": 199,
> > +                "slope": 0.01947
> > +            }
> > +        },
> > +        {
> > +            "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":
> > +                [
> > +                    2213.0, 0.9607, 0.2593,
> > +                    2255.0, 0.9309, 0.2521,
> > +                    2259.0, 0.9257, 0.2508,
> > +                    5313.0, 0.4822, 0.5909,
> > +                    6237.0, 0.4726, 0.6376
> > +                ],
>
> This is a quirk of our tuning tool (and we should really fix it), but
> the CT curve has a range of approx. 2215K - 6235K.  The AWB modes
> above should really be constrained to this range, or the search could
> jump to a bad target and give invalid results.  This only impacts the
> "cloudy" awb mode.  Perhaps it's best to leave that out?
>
> Naush
>
>
> > +                "sensitivity_r": 1.0,
> > +                "sensitivity_b": 1.0,
> > +                "transverse_pos": 0.0144,
> > +                "transverse_neg": 0.01
> > +            }
> > +        },
> > +        {
> > +            "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": 0.7
> > +            }
> > +        },
> > +        {
> > +            "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": 2213,
> > +                        "ccm":
> > +                        [
> > +                            1.91264, -0.27609, -0.63655,
> > +                            -0.65708, 2.11718, -0.46009,
> > +                            0.03629, -1.38441, 2.34811
> > +                        ]
> > +                    },
> > +                    {
> > +                        "ct": 2255,
> > +                        "ccm":
> > +                        [
> > +                            1.90369, -0.29309, -0.61059,
> > +                            -0.64693, 2.08169, -0.43476,
> > +                            0.04086, -1.29999, 2.25914
> > +                        ]
> > +                    },
> > +                    {
> > +                        "ct": 2259,
> > +                        "ccm":
> > +                        [
> > +                            1.92762, -0.35134, -0.57628,
> > +                            -0.63523, 2.08481, -0.44958,
> > +                            0.06754, -1.32953, 2.26199
> > +                        ]
> > +                    },
> > +                    {
> > +                        "ct": 5313,
> > +                        "ccm":
> > +                        [
> > +                            1.75924, -0.54053, -0.21871,
> > +                            -0.38159, 1.88671, -0.50511,
> > +                            -0.00747, -0.53492, 1.54239
> > +                        ]
> > +                    },
> > +                    {
> > +                        "ct": 6237,
> > +                        "ccm":
> > +                        [
> > +                            2.19299, -0.74764, -0.44536,
> > +                            -0.51678, 2.27651, -0.75972,
> > +                            -0.06498, -0.74269, 1.80767
> > +                        ]
> > +                    }
> > +                ]
> > +            }
> > +        },
> > +        {
> > +            "rpi.sharpen": { }
> > +        }
> > +    ]
> > +}
> > \ No newline at end of file
> > diff --git a/src/ipa/rpi/vc4/data/meson.build
> b/src/ipa/rpi/vc4/data/meson.build
> > index afbf875a113a..60477c112196 100644
> > --- a/src/ipa/rpi/vc4/data/meson.build
> > +++ b/src/ipa/rpi/vc4/data/meson.build
> > @@ -3,6 +3,7 @@
> >  conf_files = files([
> >      'imx219.json',
> >      'imx219_noir.json',
> > +    'imx283.json',
> >      'imx290.json',
> >      'imx296.json',
> >      'imx296_mono.json',
> > --
> > 2.34.1
> >
>
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