1 files changed, 128 insertions, 0 deletions
diff --git a/include/cedit.h b/include/cedit.h
new file mode 100644
index 00000000000..a31b4245247
--- /dev/null
+++ b/include/cedit.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2023 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#ifndef __CEDIT_H
+#define __CEDIT_H
+
+#include <stdbool.h>
+#include <dm/ofnode_decl.h>
+#include <linux/types.h>
+
+struct abuf;
+struct expo;
+struct scene;
+struct video_priv;
+struct udevice;
+
+enum {
+	/* size increment for writing FDT */
+	CEDIT_SIZE_INC	= 1024,
+};
+
+/* Name of the cedit node in the devicetree */
+#define CEDIT_NODE_NAME		"cedit-values"
+
+extern struct expo *cur_exp;
+
+/**
+ * cedit_arange() - Arrange objects in a configuration-editor scene
+ *
+ * @exp: Expo to update
+ * @vid_priv: Private info of the video device
+ * @scene_id: scene ID to arrange
+ * Returns: 0 if OK, -ve on error
+ */
+int cedit_arange(struct expo *exp, struct video_priv *vid_priv, uint scene_id);
+
+/**
+ * cedit_run() - Run a configuration editor
+ *
+ * This accepts input until the user quits with Escape
+ *
+ * @exp: Expo to use
+ * Returns: 0 if OK, -ve on error
+ */
+int cedit_run(struct expo *exp);
+
+/**
+ * cedit_prepare() - Prepare to run a cedit
+ *
+ * Set up the video device, select the first scene and highlight the first item.
+ * This ensures that all menus have a selected item.
+ *
+ * @exp: Expo to use
+ * @vid_privp: Set to private data for the video device
+ * @scnp: Set to the first scene
+ * Return: scene ID of first scene if OK, -ve on error
+ */
+int cedit_prepare(struct expo *exp, struct video_priv **vid_privp,
+		  struct scene **scnp);
+
+/**
+ * cedit_write_settings() - Write settings in FDT format
+ *
+ * Sets up an FDT with the settings
+ *
+ * @exp: Expo to write settings from
+ * @buf: Returns abuf containing the settings FDT (inited by this function)
+ * Return: 0 if OK, -ve on error
+ */
+int cedit_write_settings(struct expo *exp, struct abuf *buf);
+
+/**
+ * cedit_read_settings() - Read settings in FDT format
+ *
+ * Read an FDT with the settings
+ *
+ * @exp: Expo to read settings into
+ * @tree: Tree to read from
+ * Return: 0 if OK, -ve on error
+ */
+int cedit_read_settings(struct expo *exp, oftree tree);
+
+/**
+ * cedit_write_settings_env() - Write settings to envrionment variables
+ *
+ * @exp: Expo to write settings from
+ * @verbose: true to print each var as it is set
+ * Return: 0 if OK, -ve on error
+ */
+int cedit_write_settings_env(struct expo *exp, bool verbose);
+
+/*
+ * cedit_read_settings_env() - Read settings from the environment
+ *
+ * @exp: Expo to read settings into
+ * @verbose: true to print each var before it is read
+ */
+int cedit_read_settings_env(struct expo *exp, bool verbose);
+
+/**
+ * cedit_write_settings_cmos() - Write settings to CMOS RAM
+ *
+ * Write settings to the defined places in CMOS RAM
+ *
+ * @exp: Expo to write settings from
+ * @dev: UCLASS_RTC device containing space for this information
+ * Returns 0 if OK, -ve on error
+ * @verbose: true to print a summary at the end
+ */
+int cedit_write_settings_cmos(struct expo *exp, struct udevice *dev,
+			      bool verbose);
+
+/**
+ * cedit_read_settings_cmos() - Read settings from CMOS RAM
+ *
+ * Read settings from the defined places in CMO RAM
+ *
+ * @exp: Expo to read settings into
+ * @dev: RTC device to read settings from
+ * @verbose: true to print a summary at the end
+ */
+int cedit_read_settings_cmos(struct expo *exp, struct udevice *dev,
+			     bool verbose);
+
+#endif /* __CEDIT_H */