1 files changed, 82 insertions, 0 deletions

diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
new file mode 100644
index 000000000000..c2ab77add67c
--- /dev/null
+++ b/include/drm/drm_panel.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2013, NVIDIA Corporation.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __DRM_PANEL_H__
+#define __DRM_PANEL_H__
+
+#include <linux/list.h>
+
+struct drm_connector;
+struct drm_device;
+struct drm_panel;
+
+struct drm_panel_funcs {
+        int (*disable)(struct drm_panel *panel);
+        int (*enable)(struct drm_panel *panel);
+        int (*get_modes)(struct drm_panel *panel);
+};
+
+struct drm_panel {
+        struct drm_device *drm;
+        struct drm_connector *connector;
+        struct device *dev;
+
+        const struct drm_panel_funcs *funcs;
+
+        struct list_head list;
+};
+
+static inline int drm_panel_disable(struct drm_panel *panel)
+{
+        if (panel && panel->funcs && panel->funcs->disable)
+                return panel->funcs->disable(panel);
+
+        return panel ? -ENOSYS : -EINVAL;
+}
+
+static inline int drm_panel_enable(struct drm_panel *panel)
+{
+        if (panel && panel->funcs && panel->funcs->enable)
+                return panel->funcs->enable(panel);
+
+        return panel ? -ENOSYS : -EINVAL;
+}
+
+void drm_panel_init(struct drm_panel *panel);
+
+int drm_panel_add(struct drm_panel *panel);
+void drm_panel_remove(struct drm_panel *panel);
+
+int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector);
+int drm_panel_detach(struct drm_panel *panel);
+
+#ifdef CONFIG_OF
+struct drm_panel *of_drm_find_panel(struct device_node *np);
+#else
+static inline struct drm_panel *of_drm_find_panel(struct device_node *np)
+{
+        return NULL;
+}
+#endif
+
+#endif