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pipeline: ipa: raspberrypi: Add HBLANK control to DelayedControls

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Update CamHelper::getDelays() to return the sensor HBLANK delay. The
HBLANK delay is set to the same value as VBLANK delay for all sensors in
the Raspberry Pi IPA.

Return the HBLANK gain delay from the IPA to the pipeline handler, and
initialise DelayedControls to handle V4L2_CID_HBLANK with this delay
value.

As a drive-by, check that the V4L2_CID_HBLANK control is available when
calling IPARPi::configure().

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Tested-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2022-10-06 14:17:39 +01:00 • committed by Laurent Pinchart
parent f694da76be
commit aa2fe6a86f
11 changed files with 28 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/libcamera/ipa/raspberrypi.mojom
View file

@ -23,6 +23,7 @@ struct SensorConfig {
uint32 gainDelay;
uint32 exposureDelay;
uint32 vblankDelay;
uint32 hblankDelay;
uint32 sensorMetadata;
};

3
src/ipa/raspberrypi/cam_helper.cpp
View file

@ -107,7 +107,7 @@ void CamHelper::setCameraMode(const CameraMode &mode)
}
void CamHelper::getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const
int &vblankDelay, int &hblankDelay) const
{
/*
* These values are correct for many sensors. Other sensors will
@ -116,6 +116,7 @@ void CamHelper::getDelays(int &exposureDelay, int &gainDelay,
exposureDelay = 2;
gainDelay = 1;
vblankDelay = 2;
hblankDelay = 2;
}
bool CamHelper::sensorEmbeddedDataPresent() const

2
src/ipa/raspberrypi/cam_helper.h
View file

@ -88,7 +88,7 @@ public:
virtual uint32_t gainCode(double gain) const = 0;
virtual double gain(uint32_t gainCode) const = 0;
virtual void getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const;
int &vblankDelay, int &hblankDelay) const;
virtual bool sensorEmbeddedDataPresent() const;
virtual double getModeSensitivity(const CameraMode &mode) const;
virtual unsigned int hideFramesStartup() const;

5
src/ipa/raspberrypi/cam_helper_imx290.cpp
View file

@ -18,7 +18,7 @@ public:
uint32_t gainCode(double gain) const override;
double gain(uint32_t gainCode) const override;
void getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const override;
int &vblankDelay, int &hblankDelay) const override;
unsigned int hideFramesModeSwitch() const override;
private:
@ -46,11 +46,12 @@ double CamHelperImx290::gain(uint32_t gainCode) const
}
void CamHelperImx290::getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const
int &vblankDelay, int &hblankDelay) const
{
exposureDelay = 2;
gainDelay = 2;
vblankDelay = 2;
hblankDelay = 2;
}
unsigned int CamHelperImx290::hideFramesModeSwitch() const

6
src/ipa/raspberrypi/cam_helper_imx296.cpp
View file

@ -23,7 +23,8 @@ public:
double gain(uint32_t gainCode) const override;
uint32_t exposureLines(const Duration exposure, const Duration lineLength) const override;
Duration exposure(uint32_t exposureLines, const Duration lineLength) const override;
void getDelays(int &exposureDelay, int &gainDelay, int &vblankDelay) const override;
void getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay, int &hblankDelay) const override;
private:
static constexpr uint32_t minExposureLines = 1;
@ -66,11 +67,12 @@ Duration CamHelperImx296::exposure(uint32_t exposureLines,
}
void CamHelperImx296::getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const
int &vblankDelay, int &hblankDelay) const
{
exposureDelay = 2;
gainDelay = 2;
vblankDelay = 2;
hblankDelay = 2;
}
static CamHelper *create()

5
src/ipa/raspberrypi/cam_helper_imx477.cpp
View file

@ -49,7 +49,7 @@ public:
uint32_t getVBlanking(Duration &exposure, Duration minFrameDuration,
Duration maxFrameDuration) const override;
void getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const override;
int &vblankDelay, int &hblankDelay) const override;
bool sensorEmbeddedDataPresent() const override;
private:
@ -153,11 +153,12 @@ uint32_t CamHelperImx477::getVBlanking(Duration &exposure,
}
void CamHelperImx477::getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const
int &vblankDelay, int &hblankDelay) const
{
exposureDelay = 2;
gainDelay = 2;
vblankDelay = 3;
hblankDelay = 3;
}
bool CamHelperImx477::sensorEmbeddedDataPresent() const

5
src/ipa/raspberrypi/cam_helper_imx519.cpp
View file

@ -49,7 +49,7 @@ public:
uint32_t getVBlanking(Duration &exposure, Duration minFrameDuration,
Duration maxFrameDuration) const override;
void getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const override;
int &vblankDelay, int &hblankDelay) const override;
bool sensorEmbeddedDataPresent() const override;
private:
@ -153,11 +153,12 @@ uint32_t CamHelperImx519::getVBlanking(Duration &exposure,
}
void CamHelperImx519::getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const
int &vblankDelay, int &hblankDelay) const
{
exposureDelay = 2;
gainDelay = 2;
vblankDelay = 3;
hblankDelay = 3;
}
bool CamHelperImx519::sensorEmbeddedDataPresent() const

5
src/ipa/raspberrypi/cam_helper_ov5647.cpp
View file

@ -18,7 +18,7 @@ public:
uint32_t gainCode(double gain) const override;
double gain(uint32_t gainCode) const override;
void getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const override;
int &vblankDelay, int &hblankDelay) const override;
unsigned int hideFramesStartup() const override;
unsigned int hideFramesModeSwitch() const override;
unsigned int mistrustFramesStartup() const override;
@ -53,7 +53,7 @@ double CamHelperOv5647::gain(uint32_t gainCode) const
}
void CamHelperOv5647::getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const
int &vblankDelay, int &hblankDelay) const
{
/*
* We run this sensor in a mode where the gain delay is bumped up to
@ -62,6 +62,7 @@ void CamHelperOv5647::getDelays(int &exposureDelay, int &gainDelay,
exposureDelay = 2;
gainDelay = 2;
vblankDelay = 2;
hblankDelay = 2;
}
unsigned int CamHelperOv5647::hideFramesStartup() const

5
src/ipa/raspberrypi/cam_helper_ov9281.cpp
View file

@ -18,7 +18,7 @@ public:
uint32_t gainCode(double gain) const override;
double gain(uint32_t gainCode) const override;
void getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const override;
int &vblankDelay, int &hblankDelay) const override;
private:
/*
@ -49,12 +49,13 @@ double CamHelperOv9281::gain(uint32_t gainCode) const
}
void CamHelperOv9281::getDelays(int &exposureDelay, int &gainDelay,
int &vblankDelay) const
int &vblankDelay, int &hblankDelay) const
{
/* The driver appears to behave as follows: */
exposureDelay = 2;
gainDelay = 2;
vblankDelay = 2;
hblankDelay = 2;
}
static CamHelper *create()

6
src/ipa/raspberrypi/raspberrypi.cpp
View file

@ -219,13 +219,14 @@ int IPARPi::init(const IPASettings &settings, IPAInitResult *result)
* Pass out the sensor config to the pipeline handler in order
* to setup the staggered writer class.
*/
int gainDelay, exposureDelay, vblankDelay, sensorMetadata;
helper_->getDelays(exposureDelay, gainDelay, vblankDelay);
int gainDelay, exposureDelay, vblankDelay, hblankDelay, sensorMetadata;
helper_->getDelays(exposureDelay, gainDelay, vblankDelay, hblankDelay);
sensorMetadata = helper_->sensorEmbeddedDataPresent();
result->sensorConfig.gainDelay = gainDelay;
result->sensorConfig.exposureDelay = exposureDelay;
result->sensorConfig.vblankDelay = vblankDelay;
result->sensorConfig.hblankDelay = hblankDelay;
result->sensorConfig.sensorMetadata = sensorMetadata;
/* Load the tuning file for this sensor. */
@ -606,6 +607,7 @@ bool IPARPi::validateSensorControls()
V4L2_CID_ANALOGUE_GAIN,
V4L2_CID_EXPOSURE,
V4L2_CID_VBLANK,
V4L2_CID_HBLANK,
};
for (auto c : ctrls) {

1
src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
View file

@ -1297,6 +1297,7 @@ int PipelineHandlerRPi::registerCamera(MediaDevice *unicam, MediaDevice *isp, Me
std::unordered_map<uint32_t, DelayedControls::ControlParams> params = {
{ V4L2_CID_ANALOGUE_GAIN, { result.sensorConfig.gainDelay, false } },
{ V4L2_CID_EXPOSURE, { result.sensorConfig.exposureDelay, false } },
{ V4L2_CID_HBLANK, { result.sensorConfig.hblankDelay, false } },
{ V4L2_CID_VBLANK, { result.sensorConfig.vblankDelay, true } }
};
data->delayedCtrls_ = std::make_unique<DelayedControls>(data->sensor_->device(), params);