From 5004d8a969330c52449e6840bbef6552cfa8ee1a Mon Sep 17 00:00:00 2001 From: Arducam info Date: Wed, 20 Oct 2021 14:23:34 +0100 Subject: 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 Reviewed-by: David Plowman Reviewed-by: Naushir Patuck Reviewed-by: Kieran Bingham Signed-off-by: Kieran Bingham --- src/ipa/raspberrypi/cam_helper_imx519.cpp | 185 ++++++++++++++++ src/ipa/raspberrypi/data/imx519.json | 338 ++++++++++++++++++++++++++++++ src/ipa/raspberrypi/data/meson.build | 1 + src/ipa/raspberrypi/meson.build | 1 + 4 files changed, 525 insertions(+) create mode 100644 src/ipa/raspberrypi/cam_helper_imx519.cpp create mode 100644 src/ipa/raspberrypi/data/imx519.json diff --git a/src/ipa/raspberrypi/cam_helper_imx519.cpp b/src/ipa/raspberrypi/cam_helper_imx519.cpp new file mode 100644 index 00000000..eaf24982 --- /dev/null +++ b/src/ipa/raspberrypi/cam_helper_imx519.cpp @@ -0,0 +1,185 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ +/* + * Based on cam_helper_imx477.cpp + * Copyright (C) 2020, Raspberry Pi (Trading) Limited + * + * cam_helper_imx519.cpp - camera helper for imx519 sensor + * Copyright (C) 2021, Arducam Technology co., Ltd. + */ + +#include +#include +#include +#include +#include + +#include + +#include "cam_helper.hpp" +#include "md_parser.hpp" + +using namespace RPiController; +using namespace libcamera; +using libcamera::utils::Duration; + +namespace libcamera { +LOG_DECLARE_CATEGORY(IPARPI) +} + +/* + * We care about two gain registers and a pair of exposure registers. Their + * I2C addresses from the Sony IMX519 datasheet: + */ +constexpr uint32_t expHiReg = 0x0202; +constexpr uint32_t expLoReg = 0x0203; +constexpr uint32_t gainHiReg = 0x0204; +constexpr uint32_t gainLoReg = 0x0205; +constexpr uint32_t frameLengthHiReg = 0x0340; +constexpr uint32_t frameLengthLoReg = 0x0341; +constexpr std::initializer_list registerList = + { expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg }; + +class CamHelperImx519 : public CamHelper +{ +public: + CamHelperImx519(); + uint32_t GainCode(double gain) const override; + double Gain(uint32_t gain_code) const override; + void Prepare(libcamera::Span buffer, Metadata &metadata) override; + uint32_t GetVBlanking(Duration &exposure, Duration minFrameDuration, + Duration maxFrameDuration) const override; + void GetDelays(int &exposure_delay, int &gain_delay, + int &vblank_delay) const override; + bool SensorEmbeddedDataPresent() const override; + +private: + /* + * Smallest difference between the frame length and integration time, + * in units of lines. + */ + static constexpr int frameIntegrationDiff = 32; + /* Maximum frame length allowable for long exposure calculations. */ + static constexpr int frameLengthMax = 0xffdc; + /* Largest long exposure scale factor given as a left shift on the frame length. */ + static constexpr int longExposureShiftMax = 7; + + void PopulateMetadata(const MdParser::RegisterMap ®isters, + Metadata &metadata) const override; +}; + +CamHelperImx519::CamHelperImx519() + : CamHelper(std::make_unique(registerList), frameIntegrationDiff) +{ +} + +uint32_t CamHelperImx519::GainCode(double gain) const +{ + return static_cast(1024 - 1024 / gain); +} + +double CamHelperImx519::Gain(uint32_t gain_code) const +{ + return 1024.0 / (1024 - gain_code); +} + +void CamHelperImx519::Prepare(libcamera::Span buffer, Metadata &metadata) +{ + MdParser::RegisterMap registers; + DeviceStatus deviceStatus; + + if (metadata.Get("device.status", deviceStatus)) { + LOG(IPARPI, Error) << "DeviceStatus not found from DelayedControls"; + return; + } + + parseEmbeddedData(buffer, metadata); + + /* + * The DeviceStatus struct is first populated with values obtained from + * DelayedControls. If this reports frame length is > frameLengthMax, + * it means we are using a long exposure mode. Since the long exposure + * scale factor is not returned back through embedded data, we must rely + * on the existing exposure lines and frame length values returned by + * DelayedControls. + * + * Otherwise, all values are updated with what is reported in the + * embedded data. + */ + if (deviceStatus.frame_length > frameLengthMax) { + DeviceStatus parsedDeviceStatus; + + metadata.Get("device.status", parsedDeviceStatus); + parsedDeviceStatus.shutter_speed = deviceStatus.shutter_speed; + parsedDeviceStatus.frame_length = deviceStatus.frame_length; + metadata.Set("device.status", parsedDeviceStatus); + + LOG(IPARPI, Debug) << "Metadata updated for long exposure: " + << parsedDeviceStatus; + } +} + +uint32_t CamHelperImx519::GetVBlanking(Duration &exposure, + Duration minFrameDuration, + Duration maxFrameDuration) const +{ + uint32_t frameLength, exposureLines; + unsigned int shift = 0; + + frameLength = mode_.height + CamHelper::GetVBlanking(exposure, minFrameDuration, + maxFrameDuration); + /* + * Check if the frame length calculated needs to be setup for long + * exposure mode. This will require us to use a long exposure scale + * factor provided by a shift operation in the sensor. + */ + while (frameLength > frameLengthMax) { + if (++shift > longExposureShiftMax) { + shift = longExposureShiftMax; + frameLength = frameLengthMax; + break; + } + frameLength >>= 1; + } + + if (shift) { + /* Account for any rounding in the scaled frame length value. */ + frameLength <<= shift; + exposureLines = ExposureLines(exposure); + exposureLines = std::min(exposureLines, frameLength - frameIntegrationDiff); + exposure = Exposure(exposureLines); + } + + return frameLength - mode_.height; +} + +void CamHelperImx519::GetDelays(int &exposure_delay, int &gain_delay, + int &vblank_delay) const +{ + exposure_delay = 2; + gain_delay = 2; + vblank_delay = 3; +} + +bool CamHelperImx519::SensorEmbeddedDataPresent() const +{ + return true; +} + +void CamHelperImx519::PopulateMetadata(const MdParser::RegisterMap ®isters, + Metadata &metadata) const +{ + DeviceStatus deviceStatus; + + deviceStatus.shutter_speed = Exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg)); + deviceStatus.analogue_gain = Gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg)); + deviceStatus.frame_length = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg); + + metadata.Set("device.status", deviceStatus); +} + +static CamHelper *Create() +{ + return new CamHelperImx519(); +} + +static RegisterCamHelper reg("imx519", &Create); 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": + [ + 2890.0, 0.7328, 0.3734, 3550.0, 0.6228, 0.4763, 4500.0, 0.5208, 0.5825, 5700.0, 0.4467, 0.6671, 7900.0, 0.3858, 0.7411 + ], + "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 + 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-0.10419, -0.04854, -0.82211, 1.87066 + ] + }, + { + "ct": 3550, "ccm": + [ + 1.42836, -0.27235, -0.15601, -0.28751, 1.41075, -0.12325, -0.01812, -0.54849, 1.56661 + ] + }, + { + "ct": 4500, "ccm": + [ + 1.36328, -0.19569, -0.16759, -0.25254, 1.52248, -0.26994, -0.01575, -0.53155, 1.54729 + ] + }, + { + "ct": 5700, "ccm": + [ + 1.49207, -0.37245, -0.11963, -0.21493, 1.40005, -0.18512, -0.03781, -0.38779, 1.42561 + ] + }, + { + "ct": 7900, "ccm": + [ + 1.34849, -0.05425, -0.29424, -0.22182, 1.77684, -0.55502, -0.07403, -0.55336, 1.62739 + ] + } + ] + }, + "rpi.sharpen": + { + } +} diff --git a/src/ipa/raspberrypi/data/meson.build b/src/ipa/raspberrypi/data/meson.build index 2def75cb..e84cd099 100644 --- a/src/ipa/raspberrypi/data/meson.build +++ b/src/ipa/raspberrypi/data/meson.build @@ -7,6 +7,7 @@ conf_files = files([ 'imx378.json', 'imx477.json', 'imx477_noir.json', + 'imx519.json', 'ov5647.json', 'ov5647_noir.json', 'ov9281.json', diff --git a/src/ipa/raspberrypi/meson.build b/src/ipa/raspberrypi/meson.build index 1af31e4a..176055f4 100644 --- a/src/ipa/raspberrypi/meson.build +++ b/src/ipa/raspberrypi/meson.build @@ -22,6 +22,7 @@ rpi_ipa_sources = files([ 'cam_helper_imx219.cpp', 'cam_helper_imx290.cpp', 'cam_helper_imx477.cpp', + 'cam_helper_imx519.cpp', 'cam_helper_ov9281.cpp', 'controller/controller.cpp', 'controller/histogram.cpp', -- cgit v1.2.1