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	Some files may include this header file without first including dm.h so add a forward declaration. Signed-off-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			130 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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 * Copyright 2023 Google LLC
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 * Written by Simon Glass <sjg@chromium.org>
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 */
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#ifndef __CEDIT_H
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#define __CEDIT_H
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#include <stdbool.h>
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#include <dm/ofnode_decl.h>
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#include <linux/types.h>
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struct abuf;
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struct expo;
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struct scene;
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struct udevice;
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struct video_priv;
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struct udevice;
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enum {
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	/* size increment for writing FDT */
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	CEDIT_SIZE_INC	= 1024,
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};
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/* Name of the cedit node in the devicetree */
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#define CEDIT_NODE_NAME		"cedit-values"
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extern struct expo *cur_exp;
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/**
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 * cedit_arange() - Arrange objects in a configuration-editor scene
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 *
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 * @exp: Expo to update
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 * @vid_priv: Private info of the video device
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 * @scene_id: scene ID to arrange
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 * Returns: 0 if OK, -ve on error
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 */
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int cedit_arange(struct expo *exp, struct video_priv *vid_priv, uint scene_id);
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/**
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 * cedit_run() - Run a configuration editor
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 *
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 * This accepts input until the user quits with Escape
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 *
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 * @exp: Expo to use
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 * Returns: 0 if OK, -ve on error
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 */
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int cedit_run(struct expo *exp);
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/**
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 * cedit_prepare() - Prepare to run a cedit
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 *
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 * Set up the video device, select the first scene and highlight the first item.
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 * This ensures that all menus have a selected item.
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 *
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 * @exp: Expo to use
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 * @vid_privp: Set to private data for the video device
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 * @scnp: Set to the first scene
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 * Return: scene ID of first scene if OK, -ve on error
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 */
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int cedit_prepare(struct expo *exp, struct video_priv **vid_privp,
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		  struct scene **scnp);
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/**
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 * cedit_write_settings() - Write settings in FDT format
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 *
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 * Sets up an FDT with the settings
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 *
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 * @exp: Expo to write settings from
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 * @buf: Returns abuf containing the settings FDT (inited by this function)
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 * Return: 0 if OK, -ve on error
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 */
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int cedit_write_settings(struct expo *exp, struct abuf *buf);
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/**
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 * cedit_read_settings() - Read settings in FDT format
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 *
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 * Read an FDT with the settings
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 *
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 * @exp: Expo to read settings into
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 * @tree: Tree to read from
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 * Return: 0 if OK, -ve on error
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 */
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int cedit_read_settings(struct expo *exp, oftree tree);
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/**
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 * cedit_write_settings_env() - Write settings to envrionment variables
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 *
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 * @exp: Expo to write settings from
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 * @verbose: true to print each var as it is set
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 * Return: 0 if OK, -ve on error
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 */
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int cedit_write_settings_env(struct expo *exp, bool verbose);
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/*
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 * cedit_read_settings_env() - Read settings from the environment
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 *
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 * @exp: Expo to read settings into
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 * @verbose: true to print each var before it is read
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 */
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int cedit_read_settings_env(struct expo *exp, bool verbose);
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/**
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 * cedit_write_settings_cmos() - Write settings to CMOS RAM
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 *
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 * Write settings to the defined places in CMOS RAM
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 *
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 * @exp: Expo to write settings from
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 * @dev: UCLASS_RTC device containing space for this information
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 * Returns 0 if OK, -ve on error
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 * @verbose: true to print a summary at the end
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 */
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int cedit_write_settings_cmos(struct expo *exp, struct udevice *dev,
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			      bool verbose);
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/**
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 * cedit_read_settings_cmos() - Read settings from CMOS RAM
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 *
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 * Read settings from the defined places in CMO RAM
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 *
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 * @exp: Expo to read settings into
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 * @dev: RTC device to read settings from
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 * @verbose: true to print a summary at the end
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 */
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int cedit_read_settings_cmos(struct expo *exp, struct udevice *dev,
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			     bool verbose);
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#endif /* __CEDIT_H */
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