1 files changed, 138 insertions, 0 deletions
diff --git a/include/drm++/mode/mode.hpp b/include/drm++/mode/mode.hpp
new file mode 100644
index 0000000..8df8845
--- /dev/null
+++ b/include/drm++/mode/mode.hpp
@@ -0,0 +1,138 @@
+/* SPDX-License-Identifier: MIT */
+
+#pragma once
+
+///
+/// * DRM Resource
+///
+/// ...
+///
+/// * Notes to self
+///
+/// - No encoder abstraction in atomic
+/// - No subpixel due to inconsistent
+/// - Might need to delete copy/move
+/// - Raw mode as drm_mode_modeinfo
+/// - Examine mode change behavior
+///
+
+#include "../helper/macros.hpp"
+#include "../helper/types.hpp"
+
+#include <string>
+#include <utility>
+#include <vector>
+
+namespace drm::mode {
+
+enum class ConnectorType : u32;
+
+///
+/// Mode information
+///
+struct ModeInfo {
+    /// Width and height in pixels
+    std::pair<u16, u16> resolution;
+    /// Refresh rate in Hz
+    double refreshRate;
+    /// Whether the mode is preferred (cannot be relied on)
+    bool preferred;
+
+    /// Raw drm_mode_modeinfo struct
+    u8 raw[68];
+};
+
+///
+/// CRTC object
+///
+struct Crtc {
+    u32 id;
+};
+
+///
+/// Connector object
+///
+struct Connector {
+    u32 id;
+
+    /// Type of the connector
+    ConnectorType type;
+    /// Index of the connector per type (e.g. DP-3 or HDMI-A-1)
+    u32 typeIndex;
+    /// Supported modes of the connector (may change after failed commit)
+    std::vector<ModeInfo> modes;
+    /// Physical size of the display in millimeters if available
+    std::pair<u32, u32> physicalSize;
+};
+
+struct Plane {
+    u32 id;
+
+    /// CRTC IDs the plane can be used with
+    std::vector<u32> crtcs;
+};
+
+///
+/// Modesetting resources
+///
+/// @throws drm::ioctl::Exception on failure
+///
+class Resources {
+public:
+    ///
+    /// Query all modesetting resources
+    ///
+    /// @param fetchModes Whether to fetch connector modes (blocking).
+    ///
+    Resources(int fd, bool fetchModes = false);
+
+    // Private access
+    GETTER(crtcs)
+    GETTER(connectors)
+    GETTER(planes)
+
+    // Default operators and destructor
+    DEFAULT_OPERATORS(Resources)
+    ~Resources() noexcept = default;
+private:
+    int m_fd;
+
+    std::vector<Crtc> m_crtcs;
+    std::vector<Connector> m_connectors;
+    std::vector<Plane> m_planes;
+};
+
+
+///
+/// Connector type
+///
+enum class ConnectorType : u32 {
+    Unknown = 0,
+    VGA = 1,
+    DVII = 2,
+    DVID = 3,
+    DVIA = 4,
+    Composite = 5,
+    SVIDEO = 6,
+    LVDS = 7,
+    Component = 8,
+    NPinDIN = 9,
+    DisplayPort = 10,
+    HDMI_A = 11,
+    HDMI_B = 12,
+    TV = 13,
+    eDP = 14,
+    Virtual = 15,
+    DSI = 16,
+    DPI = 17,
+    Writeback = 18,
+    SPI = 19,
+    USB = 20
+};
+
+///
+/// Convert a ConnectorType enum to a string representation
+///
+std::string connectorTypeToString(ConnectorType type);
+
+}