1 files changed, 55 insertions, 0 deletions
diff --git a/src/screen/drm/request/root.zig b/src/screen/drm/request/root.zig
new file mode 100644
index 0000000..7576893
--- /dev/null
+++ b/src/screen/drm/request/root.zig
@@ -0,0 +1,55 @@
+const std = @import("std");
+const os = std.os.linux;
+const cerror = @import("../../cerror.zig");
+
+pub const Resources = @import("resources.zig").Resources;
+pub const Encoder = @import("encoder.zig").Encoder;
+pub const Connector = @import("connector.zig").Connector;
+
+const crtc = @import("crtc.zig");
+pub const Crtc = crtc.Crtc;
+pub const PageFlip = crtc.PageFlip;
+
+const frame_buffer = @import("frame-buffer.zig");
+pub const CreateDumb = frame_buffer.CreateDumb;
+pub const FrameBufferCmd2 = frame_buffer.FrameBufferCmd2;
+pub const MapDumb = frame_buffer.MapDumb;
+
+
+pub const Kind = enum(u8) {
+	const Self = @This();
+
+	get_resources = 0xa0,
+	get_crtc = 0xa1,
+	set_crtc = 0xa2,
+	get_encoder = 0xa6,
+	get_connector = 0xa7,
+	remove_frame_buffer = 0xaf,
+	page_flip = 0xb0,
+	create_dumb = 0xb2,
+	map_dumb = 0xb3,
+	destroy_dumb = 0xb4,
+	add_frame_buffer2 = 0xb8,
+
+	pub fn payload(comptime self: *const Self) type {
+		return comptime switch (self.*) {
+			.get_resources => Resources,
+			.get_crtc => Crtc,
+			.set_crtc => Crtc,
+			.get_encoder => Encoder,
+			.get_connector => Connector,
+			.remove_frame_buffer => u32,
+			.page_flip => PageFlip,
+			.create_dumb => CreateDumb,
+			.map_dumb => MapDumb,
+			.destroy_dumb => u32,
+			.add_frame_buffer2 => FrameBufferCmd2,
+		};
+	}
+
+	pub fn id(comptime self: *const Self, comptime pointer_type: type) u32 {
+		const payload_type = self.payload();
+		comptime std.debug.assert(*payload_type == pointer_type);
+		return comptime os.IOCTL.IOWR('d', @intFromEnum(self.*), payload_type);
+	}
+};