GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/include/panel.h

@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2016 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#ifndef _PANEL_H
+#define _PANEL_H
+
+struct panel_ops {
+	/**
+	 * enable_backlight() - Enable the panel backlight
+	 *
+	 * @dev:	Panel device containing the backlight to enable
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*enable_backlight)(struct udevice *dev);
+
+	/**
+	 * set_backlight - Set panel backlight brightness
+	 *
+	 * @dev:	Panel device containing the backlight to update
+	 * @percent:	Brightness value (0 to 100, or BACKLIGHT_... value)
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*set_backlight)(struct udevice *dev, int percent);
+
+	/**
+	 * get_timings() - Get display timings from panel.
+	 *
+	 * @dev:	Panel device containing the display timings
+	 * @tim:	Place to put timings
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*get_display_timing)(struct udevice *dev,
+				  struct display_timing *timing);
+};
+
+#define panel_get_ops(dev)	((struct panel_ops *)(dev)->driver->ops)
+
+/**
+ * panel_enable_backlight() - Enable/disable the panel backlight
+ *
+ * @dev:	Panel device containing the backlight to enable
+ * @enable:	true to enable the backlight, false to dis
+ * @return 0 if OK, -ve on error
+ */
+int panel_enable_backlight(struct udevice *dev);
+
+/**
+ * panel_set_backlight - Set brightness for the panel backlight
+ *
+ * @dev:	Panel device containing the backlight to update
+ * @percent:	Brightness value (0 to 100, or BACKLIGHT_... value)
+ * @return 0 if OK, -ve on error
+ */
+int panel_set_backlight(struct udevice *dev, int percent);
+
+/**
+ * panel_get_display_timing() - Get display timings from panel.
+ *
+ * @dev:	Panel device containing the display timings
+ * @return 0 if OK, -ve on error
+ */
+int panel_get_display_timing(struct udevice *dev,
+			     struct display_timing *timing);
+
+#endif