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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2020, Google Inc.
*
* rkisp1path.cpp - Rockchip ISP1 path helper
*/
#include "rkisp1_path.h"
#include <libcamera/formats.h>
#include <libcamera/stream.h>
#include "libcamera/internal/media_device.h"
#include "libcamera/internal/v4l2_subdevice.h"
#include "libcamera/internal/v4l2_videodevice.h"
namespace libcamera {
LOG_DECLARE_CATEGORY(RkISP1)
RkISP1Path::RkISP1Path(const char *name, const Span<const PixelFormat> &formats,
const Size &minResolution, const Size &maxResolution)
: video_(nullptr), name_(name), formats_(formats),
minResolution_(minResolution), maxResolution_(maxResolution),
resizer_(nullptr)
{
}
RkISP1Path::~RkISP1Path()
{
delete video_;
delete resizer_;
}
bool RkISP1Path::init(MediaDevice *media)
{
std::string resizer = std::string("rkisp1_resizer_") + name_ + "path";
std::string video = std::string("rkisp1_") + name_ + "path";
resizer_ = V4L2Subdevice::fromEntityName(media, resizer);
if (resizer_->open() < 0)
return false;
video_ = V4L2VideoDevice::fromEntityName(media, video);
if (video_->open() < 0)
return false;
return true;
}
StreamConfiguration RkISP1Path::generateConfiguration(const Size &resolution)
{
Size maxResolution = resolution;
maxResolution.boundTo(maxResolution_);
std::map<PixelFormat, std::vector<SizeRange>> streamFormats;
for (const PixelFormat &format : formats_)
streamFormats[format] = { { minResolution_, maxResolution } };
StreamFormats formats(streamFormats);
StreamConfiguration cfg(formats);
cfg.pixelFormat = formats::NV12;
cfg.size = maxResolution;
cfg.bufferCount = RKISP1_BUFFER_COUNT;
return cfg;
}
CameraConfiguration::Status RkISP1Path::validate(StreamConfiguration *cfg)
{
const StreamConfiguration reqCfg = *cfg;
CameraConfiguration::Status status = CameraConfiguration::Valid;
if (std::find(formats_.begin(), formats_.end(), cfg->pixelFormat) ==
formats_.end())
cfg->pixelFormat = formats::NV12;
cfg->size.boundTo(maxResolution_);
cfg->size.expandTo(minResolution_);
cfg->bufferCount = RKISP1_BUFFER_COUNT;
V4L2DeviceFormat format = {};
format.fourcc = video_->toV4L2PixelFormat(cfg->pixelFormat);
format.size = cfg->size;
int ret = video_->tryFormat(&format);
if (ret)
return CameraConfiguration::Invalid;
cfg->stride = format.planes[0].bpl;
cfg->frameSize = format.planes[0].size;
if (cfg->pixelFormat != reqCfg.pixelFormat || cfg->size != reqCfg.size) {
LOG(RkISP1, Debug)
<< "Adjusting format from " << reqCfg.toString()
<< " to " << cfg->toString();
status = CameraConfiguration::Adjusted;
}
return status;
}
int RkISP1Path::configure(const StreamConfiguration &config,
const V4L2SubdeviceFormat &inputFormat)
{
int ret;
V4L2SubdeviceFormat ispFormat = inputFormat;
ret = resizer_->setFormat(0, &ispFormat);
if (ret < 0)
return ret;
LOG(RkISP1, Debug)
<< "Configured " << name_ << " resizer input pad with "
<< ispFormat.toString();
ispFormat.size = config.size;
LOG(RkISP1, Debug)
<< "Configuring " << name_ << " resizer output pad with "
<< ispFormat.toString();
ret = resizer_->setFormat(1, &ispFormat);
if (ret < 0)
return ret;
LOG(RkISP1, Debug)
<< "Configured " << name_ << " resizer output pad with "
<< ispFormat.toString();
const PixelFormatInfo &info = PixelFormatInfo::info(config.pixelFormat);
V4L2DeviceFormat outputFormat = {};
outputFormat.fourcc = video_->toV4L2PixelFormat(config.pixelFormat);
outputFormat.size = config.size;
outputFormat.planesCount = info.numPlanes();
ret = video_->setFormat(&outputFormat);
if (ret)
return ret;
if (outputFormat.size != config.size ||
outputFormat.fourcc != video_->toV4L2PixelFormat(config.pixelFormat)) {
LOG(RkISP1, Error)
<< "Unable to configure capture in " << config.toString();
return -EINVAL;
}
return 0;
}
namespace {
constexpr Size RKISP1_RSZ_MP_SRC_MIN{ 32, 16 };
constexpr Size RKISP1_RSZ_MP_SRC_MAX{ 4416, 3312 };
constexpr std::array<PixelFormat, 7> RKISP1_RSZ_MP_FORMATS{
formats::YUYV,
formats::YVYU,
formats::VYUY,
formats::NV16,
formats::NV61,
formats::NV21,
formats::NV12,
/* \todo Add support for 8-bit greyscale to DRM formats */
};
constexpr Size RKISP1_RSZ_SP_SRC_MIN{ 32, 16 };
constexpr Size RKISP1_RSZ_SP_SRC_MAX{ 1920, 1920 };
constexpr std::array<PixelFormat, 7> RKISP1_RSZ_SP_FORMATS{
formats::YUYV,
formats::YVYU,
formats::VYUY,
formats::NV16,
formats::NV61,
formats::NV21,
formats::NV12,
/* \todo Add support for BGR888 and RGB565 */
};
} /* namespace */
RkISP1MainPath::RkISP1MainPath()
: RkISP1Path("main", RKISP1_RSZ_MP_FORMATS,
RKISP1_RSZ_MP_SRC_MIN, RKISP1_RSZ_MP_SRC_MAX)
{
}
RkISP1SelfPath::RkISP1SelfPath()
: RkISP1Path("self", RKISP1_RSZ_SP_FORMATS,
RKISP1_RSZ_SP_SRC_MIN, RKISP1_RSZ_SP_SRC_MAX)
{
}
} /* namespace libcamera */
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