Large documentation overhaul & main DRM device

1 files changed, 48 insertions, 0 deletions

diff --git a/src/drm.cpp b/src/drm.cpp
new file mode 100644
index 0000000..6bb0a3a
--- /dev/null
+++ b/src/drm.cpp
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: MIT */
+
+#include "drm++/drm.hpp"
+#include "drm++/helper.hpp"
+#include "drm++/ioctl.hpp"
+
+#include <stdexcept>
+
+#include <drm.h>
+#include <unistd.h>
+
+using namespace drm;
+
+Device::Device(int fd) : m_fd(fd) {
+    if (this->m_fd < 0) {
+        throw std::invalid_argument("invalid file descriptor");
+    }
+
+    drm_auth args{
+
+    };
+    ioctl::perform(this->m_fd, DRM_IOCTL_GET_MAGIC, args);
+    this->m_magic = args.magic;
+}
+
+void Device::acquireMaster() const {
+    ioctl::perform(this->m_fd, DRM_IOCTL_SET_MASTER);
+}
+
+void Device::releaseMaster() const {
+    ioctl::perform(this->m_fd, DRM_IOCTL_DROP_MASTER);
+}
+
+void Device::authenticate(u32 magic) const {
+    drm_auth args{
+        .magic = magic
+    };
+    ioctl::perform(this->m_fd, DRM_IOCTL_AUTH_MAGIC, args);
+}
+
+void Device::destruct() noexcept {
+    if (this->m_fd < 0) {
+        return;
+    }
+
+    ::close(this->m_fd);
+    this->m_fd = -1;
+}