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/*
* Copyright 2023 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include "fu-linux-display-plugin.h"
struct _FuLinuxDisplayPlugin {
FuPlugin parent_instance;
};
G_DEFINE_TYPE(FuLinuxDisplayPlugin, fu_linux_display_plugin, FU_TYPE_PLUGIN)
static FuDisplayState
fu_linux_display_plugin_get_display_state(FuLinuxDisplayPlugin *self)
{
FuDisplayState display_state = FU_DISPLAY_STATE_DISCONNECTED;
GPtrArray *devices = fu_plugin_get_devices(FU_PLUGIN(self));
/* no devices detected */
if (devices->len == 0)
return FU_DISPLAY_STATE_UNKNOWN;
/* any connected display is good enough */
for (guint i = 0; i < devices->len; i++) {
FuDrmDevice *drm_device = g_ptr_array_index(devices, i);
if (fu_drm_device_get_state(drm_device) == FU_DISPLAY_STATE_CONNECTED) {
display_state = FU_DISPLAY_STATE_CONNECTED;
break;
}
}
return display_state;
}
static void
fu_linux_display_plugin_ensure_display_state(FuLinuxDisplayPlugin *self)
{
FuContext *ctx = fu_plugin_get_context(FU_PLUGIN(self));
if (!fu_plugin_has_flag(FU_PLUGIN(self), FWUPD_PLUGIN_FLAG_READY))
return;
fu_context_set_display_state(ctx, fu_linux_display_plugin_get_display_state(self));
}
static gboolean
fu_linux_display_plugin_plugin_backend_device_added(FuPlugin *plugin,
FuDevice *device,
FuProgress *progress,
GError **error)
{
FuLinuxDisplayPlugin *self = FU_LINUX_DISPLAY_PLUGIN(plugin);
/* not us */
if (!FU_IS_DRM_DEVICE(device))
return TRUE;
if (fu_drm_device_get_edid(FU_DRM_DEVICE(device)) != NULL) {
if (!fu_device_setup(device, error))
return FALSE;
fu_plugin_device_add(plugin, device);
}
fu_linux_display_plugin_ensure_display_state(self);
return TRUE;
}
static gboolean
fu_linux_display_plugin_plugin_ready(FuPlugin *plugin, FuProgress *progress, GError **error)
{
FuLinuxDisplayPlugin *self = FU_LINUX_DISPLAY_PLUGIN(plugin);
fu_linux_display_plugin_ensure_display_state(self);
return TRUE;
}
static gboolean
fu_linux_display_plugin_plugin_backend_device_removed(FuPlugin *plugin,
FuDevice *device,
GError **error)
{
FuLinuxDisplayPlugin *self = FU_LINUX_DISPLAY_PLUGIN(plugin);
fu_linux_display_plugin_ensure_display_state(self);
return TRUE;
}
static gboolean
fu_linux_display_plugin_plugin_backend_device_changed(FuPlugin *plugin,
FuDevice *device,
GError **error)
{
FuLinuxDisplayPlugin *self = FU_LINUX_DISPLAY_PLUGIN(plugin);
if (!FU_IS_DRM_DEVICE(device))
return TRUE;
fu_linux_display_plugin_ensure_display_state(self);
return TRUE;
}
static void
fu_linux_display_plugin_init(FuLinuxDisplayPlugin *self)
{
}
static void
fu_linux_display_plugin_constructed(GObject *obj)
{
FuPlugin *plugin = FU_PLUGIN(obj);
fu_plugin_add_device_udev_subsystem(plugin, "drm");
}
static void
fu_linux_display_plugin_class_init(FuLinuxDisplayPluginClass *klass)
{
FuPluginClass *plugin_class = FU_PLUGIN_CLASS(klass);
plugin_class->constructed = fu_linux_display_plugin_constructed;
plugin_class->ready = fu_linux_display_plugin_plugin_ready;
plugin_class->backend_device_added = fu_linux_display_plugin_plugin_backend_device_added;
plugin_class->backend_device_removed =
fu_linux_display_plugin_plugin_backend_device_removed;
plugin_class->backend_device_changed =
fu_linux_display_plugin_plugin_backend_device_changed;
}
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