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2022-09-01libcamera: color_space: Move color space adjustment to ColorSpace classUmang Jain
2022-09-01libcamera: colorspace: Rectify the ColorSpace::Srgb presetUmang Jain
2022-09-01libcamera: v4l2_videodevice: Improve toColorSpace() readabilityUmang Jain
2022-09-01libcamera: v4l2_device: Adjust colorspace based on pixel formatUmang Jain
2022-09-01libcamera: v4l2_subdevice: Add color encoding for media bus formatsUmang Jain
2022-08-31libcamera: request: Rename Private::reuse() to Private::reset()Umang Jain
2022-08-30ipa: rkisp1: lsc: Use double instead of float to accumulate vector of doublesMarvin Schmidt
2022-08-30ipa: rkisp1: Remove redundant call of std::string::c_str()Marvin Schmidt
2022-08-30ipa: ipu3: Remove redundant call of std::string::c_str()Marvin Schmidt
2022-08-30libcamera: media_device: Fix \sa tags for MediaDevice::linkMarvin Schmidt
2022-08-30libcamera: pipeline: rkisp1: Implement color space supportLaurent Pinchart
2022-08-26cam: Add color space supportLaurent Pinchart
2022-08-26libcamera: color_space: Add fromString() functionLaurent Pinchart
2022-08-26libcamera: color_space: Reorder members in the same order as the headerLaurent Pinchart
2022-08-25libcamera: color_space: Rename Jpeg to SyccLaurent Pinchart
2022-08-25libcamera: ipu3: Use std::max() instead of expandTo() to get the max resolutionHan-Lin Chen via libcamera-devel
2022-08-25libcamera: Use const reference for range loopsChristian Rauch via libcamera-devel
2022-08-24gstreamer: Add support for additional RGB formatsLaurent Pinchart
2022-08-21ipa: rkisp1: Add support of Denoise Pre-Filter controlFlorian Sylvestre
2022-08-21ipa: rkisp1: Add enable field for LSC algorithm in IPA contextFlorian Sylvestre
2022-08-21ipa: rkisp1: Add enable field for AWB algorithm in IPA contextFlorian Sylvestre
2022-08-21libcamera: yaml_parser: De-duplicate common code in YamlObject::get()Laurent Pinchart
2022-08-21libcamera: yaml_parser: Enable YamlObject::get() for int8_t and uint8_tLaurent Pinchart
2022-08-21libcamera: yaml_parser: Fix bounds checking for 16-bit YamlObject::get()Laurent Pinchart
2022-08-21libcamera: pipeline: rkisp1: Remove unused assignmentChristian Rauch
2022-08-21libcamera: Remove unused headersChristian Rauch
2022-08-20libcamera: v4l2: Set colorspace flagsUmang Jain
2022-08-19ipa: rkisp1: Add manual color gainsPaul Elder
2022-08-19py: Switch to non-blocking eventfdTomi Valkeinen
2022-08-19py: Use libcamera's Mutex classesTomi Valkeinen
2022-08-19py: Set EFD_CLOEXEC on eventfd to avoid fd leakingTomi Valkeinen
2022-08-19py: Use UniqueFDTomi Valkeinen
2022-08-19py: Create PyCameraManagerTomi Valkeinen
2022-08-19py: meson: Use libcamera_private dependencyTomi Valkeinen
2022-08-18py: cam.py: Remove todo commentTomi Valkeinen
2022-08-18py: Move ControlValue helpers to py_helpers.cppTomi Valkeinen
2022-08-18py: Add Python logging categoryTomi Valkeinen
2022-08-18py: cam.py: Fix multi camera capture without -CTomi Valkeinen
2022-08-16libcamera: base: Make message.h and mutex.h privateLaurent Pinchart
2022-08-16meson: Use dependency() instead of find_library() where possibleLaurent Pinchart
2022-08-10libcamera: Allow concurrent use of cameras from same pipeline handlerLaurent Pinchart
2022-08-10libcamera: formats: Fix warning for unknown V4L2 pixfmtJacopo Mondi
2022-08-09ipa: ipu3: Add YAML tuning file supportLaurent Pinchart
2022-08-09ipa: ipu3: Register algorithmsLaurent Pinchart
2022-08-09ipa: ipu3: Add an uncalibrated.yaml tuning data fileLaurent Pinchart
2022-08-09pipeline: ipu3: Support IPA tuning fileLaurent Pinchart
2022-08-09libcamera: yaml_parser: Return nullopt on error from YamlObject::get()Laurent Pinchart
2022-08-09cam: sdl_texture: Rename 'pitch' to 'stride'Laurent Pinchart
2022-08-09ipa: rkisp1: Remove unused algorithms includes from rkisp1.cppDaniel Semkowicz
2022-08-09libcamera: Make IPA module signing recommended instead of mandatoryLaurent Pinchart
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-22 15:13:02 +0000
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2021, Ideas on Board Oy
 *
 * DRM/KMS Helpers
 */

#include "drm.h"

#include <algorithm>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <iostream>
#include <set>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>

#include <libcamera/framebuffer.h>
#include <libcamera/geometry.h>
#include <libcamera/pixel_format.h>

#include <libdrm/drm_mode.h>

#include "../common/event_loop.h"

namespace DRM {

Object::Object(Device *dev, uint32_t id, Type type)
	: id_(id), dev_(dev), type_(type)
{
	/* Retrieve properties from the objects that support them. */
	if (type != TypeConnector && type != TypeCrtc &&
	    type != TypeEncoder && type != TypePlane)
		return;

	/*
	 * We can't distinguish between failures due to the object having no
	 * property and failures due to other conditions. Assume we use the API
	 * correctly and consider the object has no property.
	 */
	drmModeObjectProperties *properties = drmModeObjectGetProperties(dev->fd(), id, type);
	if (!properties)
		return;

	properties_.reserve(properties->count_props);
	for (uint32_t i = 0; i < properties->count_props; ++i)
		properties_.emplace_back(properties->props[i],
					 properties->prop_values[i]);

	drmModeFreeObjectProperties(properties);
}

Object::~Object()
{
}

const Property *Object::property(const std::string &name) const
{
	for (const PropertyValue &pv : properties_) {
		const Property *property = static_cast<const Property *>(dev_->object(pv.id()));
		if (property && property->name() == name)
			return property;
	}

	return nullptr;
}

const PropertyValue *Object::propertyValue(const std::string &name) const
{
	for (const PropertyValue &pv : properties_) {
		const Property *property = static_cast<const Property *>(dev_->object(pv.id()));
		if (property && property->name() == name)
			return &pv;
	}

	return nullptr;
}

Property::Property(Device *dev, drmModePropertyRes *property)
	: Object(dev, property->prop_id, TypeProperty),