diff options
| author | will whang <will@willwhang.com> | 2024-08-07 10:34:49 +0100 |
|---|---|---|
| committer | Kieran Bingham <kieran.bingham@ideasonboard.com> | 2024-09-12 11:12:28 +0200 |
| commit | 69b702d183bb2ea2ce3ba40fcde8d5f5cf80abcc (patch) | |
| tree | ccccc189365fbd9a2a051a9f5381effc4ef24d11 /src/ipa/rpi/cam_helper | |
| parent | e6441ec4f4a68518c3f01c753ef179226f56ebfc (diff) | |
ipa: rpi: Adding IMX283 support
Add support for the IMX283 sensor for the VC4 target.
Signed-off-by: will whang <will@willwhang.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'src/ipa/rpi/cam_helper')
| -rw-r--r-- | src/ipa/rpi/cam_helper/cam_helper_imx283.cpp | 73 | ||||
| -rw-r--r-- | src/ipa/rpi/cam_helper/meson.build | 1 |
2 files changed, 74 insertions, 0 deletions
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 00000000..1fd4d7f3 --- /dev/null +++ b/src/ipa/rpi/cam_helper/cam_helper_imx283.cpp @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ +/* + * Copyright (C) 2024, 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 delayed controls 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 72625057..1e43f1da 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', |