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2dee81fe5f
Support writing settings from an expo into a file in FDT format. It consists of a single node with a two properties for each sceneitem, one with tag ID chosen by the user and another for its text value. Signed-off-by: Simon Glass <sjg@chromium.org>
71 lines
1.7 KiB
C
71 lines
1.7 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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struct abuf;
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struct expo;
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struct scene;
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struct video_priv;
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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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#endif /* __CEDIT_H */
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