mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
synced 2025-12-14 18:38:55 +00:00
204 lines
15 KiB
HTML
204 lines
15 KiB
HTML
|
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn" lang="zh-cn" data-whc_version="26.0">
|
|||
|
|
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="Probe 和 Bind 过程 为了约束初始化顺序，AICFB 为 component 的 master 设备，DE、DI 和 panel 为 slave 设备，component 框架保证 master 的初始化顺序在所有 slave 之后。各模块的初始化顺序如下： 图 1 . 显示模块的初始化顺序 其中： Master 调用 component_match_add() 接口声明一个 match ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.creator" content="yan.wang"/><meta name="DC.date.created" content="2024-01-18"/><meta name="DC.date.modified" content="2024-11-28"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="display_initialization_process"/><meta name="DC.language" content="zh-CN"/><title>初始化流程</title><!-- Build number 2023110923. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/sdk/display/display_init_process.dita"/><meta name="wh-out-relpath" content="topics/sdk/display/display_init_process.html"/>
|
|||
|
|
|
|||
|
|
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/commons.css?buildId=2023110923"/>
|
|||
|
|
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/topic.css?buildId=2023110923"/>
|
|||
|
|
|
|||
|
|
<script src="../../../webhelp/app/options/properties.js?buildId=20250121171154"></script>
|
|||
|
|
<script src="../../../webhelp/app/localization/strings.js?buildId=2023110923"></script>
|
|||
|
|
<script src="../../../webhelp/app/search/index/keywords.js?buildId=20250121171154"></script>
|
|||
|
|
<script defer="defer" src="../../../webhelp/app/commons.js?buildId=2023110923"></script>
|
|||
|
|
<script defer="defer" src="../../../webhelp/app/topic.js?buildId=2023110923"></script>
|
|||
|
|
<link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-styles-web.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/notes.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-common.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-images.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/footnote.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-web-watermark.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/topic-body-list.css?buildId=2023110923"/></head>
|
|||
|
|
|
|||
|
|
<body id="display_initialization_process" class="wh_topic_page frmBody">
|
|||
|
|
<a href="#wh_topic_body" class="sr-only sr-only-focusable">
|
|||
|
|
跳转到主要内容
|
|||
|
|
</a>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<header class="navbar navbar-default wh_header">
|
|||
|
|
<div class="container-fluid">
|
|||
|
|
<div class="wh_header_flex_container navbar-nav navbar-expand-md navbar-dark">
|
|||
|
|
<div class="wh_logo_and_publication_title_container">
|
|||
|
|
<div class="wh_logo_and_publication_title">
|
|||
|
|
|
|||
|
|
<a href="http://www.artinchip.com" class=" wh_logo d-none d-sm-block "><img src="../../../company-logo-white.png" alt="RTOS SDK 使用指南SDK 指南文件"/></a>
|
|||
|
|
<div class=" wh_publication_title "><a href="../../../index.html"><span class="booktitle"><span class="ph mainbooktitle">RTOS SDK 使用指南</span><span class="ph booktitlealt">SDK 指南文件</span></span></a></div>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div class="wh_top_menu_and_indexterms_link collapse navbar-collapse" id="wh_top_menu_and_indexterms_link">
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</header>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class=" wh_search_input navbar-form wh_topic_page_search search " role="form">
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<form id="searchForm" method="get" role="search" action="../../../search.html"><div><input type="search" placeholder="搜索 " class="wh_search_textfield" id="textToSearch" name="searchQuery" aria-label="搜索查询" required="required"/><button type="submit" class="wh_search_button" aria-label="搜索"><span class="search_input_text">搜索</span></button></div></form>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div class="container-fluid" id="wh_topic_container">
|
|||
|
|
<div class="row">
|
|||
|
|
|
|||
|
|
<nav class="wh_tools d-print-none navbar-expand-md" aria-label="Tools">
|
|||
|
|
|
|||
|
|
<div data-tooltip-position="bottom" class=" wh_breadcrumb "></div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="wh_right_tools">
|
|||
|
|
<button class="wh_hide_highlight" aria-label="切换搜索突出显示" title="切换搜索突出显示"></button>
|
|||
|
|
<button class="webhelp_expand_collapse_sections" data-next-state="collapsed" aria-label="折叠截面" title="折叠截面"></button>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class=" wh_print_link print d-none d-md-inline-block "><button onClick="window.print()" title="打印此页" aria-label="打印此页"></button></div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
</nav>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="wh_content_area">
|
|||
|
|
<div class="row">
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="col-lg-10 col-md-10 col-sm-10 col-xs-12" id="wh_topic_body">
|
|||
|
|
|
|||
|
|
<button id="wh_close_topic_toc_button" class="close-toc-button d-none" aria-label="Toggle topic table of content" aria-controls="wh_topic_toc" aria-expanded="true">
|
|||
|
|
<span class="close-toc-icon-container">
|
|||
|
|
<span class="close-toc-icon"></span>
|
|||
|
|
</span>
|
|||
|
|
</button>
|
|||
|
|
|
|||
|
|
<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/display/display_init_process.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">初始化流程</h1><div class="date inPage">28 Nov 2024</div><div style="color: gray;">
|
|||
|
|
Read time: 1 minute(s)
|
|||
|
|
</div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="display_initialization_process__section_y1b_11g_d1c" data-ofbid="display_initialization_process__section_y1b_11g_d1c"><h2 class="- topic/title title sectiontitle">Probe 和 Bind 过程</h2>
|
|||
|
|
|
|||
|
|
<p class="- topic/p p" data-ofbid="d73372e28__20250121171523">为了约束初始化顺序，AICFB 为 component 的 master 设备，DE、DI 和 panel 为 slave 设备，component 框架保证
|
|||
|
|
master 的初始化顺序在所有 slave 之后。各模块的初始化顺序如下：</p>
|
|||
|
|
<div class="- topic/p p" data-ofbid="d73372e31__20250121171523">
|
|||
|
|
<figure class="- topic/fig fig fignone" id="display_initialization_process__fig_uh2_b1g_d1c" data-ofbid="display_initialization_process__fig_uh2_b1g_d1c"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="display_initialization_process__image_z1b_11g_d1c" src="../../../images/display/driver_bind.png" width="384" alt="driver_bind"/></div><br/><figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">显示模块的初始化顺序</span></figcaption></figure>
|
|||
|
|
</div>
|
|||
|
|
<p class="- topic/p p" data-ofbid="d73372e41__20250121171523">其中：</p>
|
|||
|
|
<ol class="- topic/ol ol" id="display_initialization_process__ol_abb_11g_d1c" data-ofbid="display_initialization_process__ol_abb_11g_d1c"><li class="- topic/li li" data-ofbid="d73372e45__20250121171523">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d73372e47__20250121171523">Master 调用 component_match_add() 接口声明一个 match 队列。</p>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d73372e50__20250121171523">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d73372e52__20250121171523">Master 调用 component_master_add_with_match() 将自己注册进 component 框架。</p>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d73372e55__20250121171523">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d73372e57__20250121171523">Slave 调用 component_add()完成 slave 注册。</p>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d73372e60__20250121171523">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d73372e62__20250121171523">各模块的 probe 顺序没有约束，设备的注册和声明在 probe 函数中进行。</p>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d73372e65__20250121171523">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d73372e67__20250121171523">每个子设备都要实现自己的 bind() 和 unbind() 接口（struct component_ops），当 match 队列中的模块都完成
|
|||
|
|
probe 后，component 框架会调用模块的 bind() 接口。</p>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d73372e70__20250121171523">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d73372e72__20250121171523">各 slave 按 match 队列顺序执行 bind()，component 框架保证 master 最后执行。</p>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d73372e75__20250121171523">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d73372e77__20250121171523">aicfb->bind() 主要完成 framebuffer 申请、fb 设备注册、使能 UI 图层、使能 panel 等动作。</p>
|
|||
|
|
</li></ol>
|
|||
|
|
</section><section class="- topic/section section" id="display_initialization_process__section_bbb_11g_d1c" data-ofbid="display_initialization_process__section_bbb_11g_d1c"><h2 class="- topic/title title sectiontitle">硬件时序要求</h2><p class="- topic/p p" data-ofbid="d73372e84__20250121171523">DE、DI、panel
|
|||
|
|
三个硬件模块在初始化时有一些时序要求，包含先后顺序、延迟大小，主要约束来自于 panel 侧。 为了应对这样的硬件特性，驱动设计中使用 callback
|
|||
|
|
方式来实现多个模块间的互相调用。</p>
|
|||
|
|
<div class="- topic/p p" data-ofbid="d73372e87__20250121171523">
|
|||
|
|
<figure class="- topic/fig fig fignone" id="display_initialization_process__fig_jgb_c1g_d1c" data-ofbid="display_initialization_process__fig_jgb_c1g_d1c"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="display_initialization_process__image_cbb_11g_d1c" src="../../../images/display/display_callbacks.png" width="480" alt="callbacks1"/></div><br/></figure>
|
|||
|
|
</div><p class="- topic/p p" data-ofbid="d73372e94__20250121171523">在 fb 的 bind()中，会调用这些回调来完成初始化，如下图（其中关系比较绕的是 panel 初始化逻辑）：</p><div class="- topic/p p" data-ofbid="d73372e96__20250121171523"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="display_initialization_process__image_dbb_11g_d1c" src="../../../images/display/fb_bind.png" width="480" alt="fb_bind"/></div><br/></div></section></div></article></main></div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<nav role="navigation" id="wh_topic_toc" aria-label="On this page" class="col-lg-2 d-none d-lg-block navbar d-print-none">
|
|||
|
|
<div id="wh_topic_toc_content">
|
|||
|
|
|
|||
|
|
<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#display_initialization_process__section_y1b_11g_d1c" data-tocid="display_initialization_process__section_y1b_11g_d1c">Probe 和 Bind 过程</a></div></li><li class="section-item"><div class="section-title"><a href="#display_initialization_process__section_bbb_11g_d1c" data-tocid="display_initialization_process__section_bbb_11g_d1c">硬件时序要求</a></div></li></ul></div>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</nav>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
<footer class="navbar navbar-default wh_footer">
|
|||
|
|
<div class=" footer-container mx-auto ">
|
|||
|
|
<title>footer def</title>
|
|||
|
|
<style><!--
|
|||
|
|
|
|||
|
|
.p1 {
|
|||
|
|
font-family: FangZhengShuSong, Times, serif;
|
|||
|
|
}
|
|||
|
|
.p2 {
|
|||
|
|
font-family: Arial, Helvetica, sans-serif;
|
|||
|
|
}
|
|||
|
|
.p3 {
|
|||
|
|
font-family: "Lucida Console", "Courier New", monospace;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
--></style>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="webhelp.fragment.footer">
|
|||
|
|
<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
|
|||
|
|
</div><div>
|
|||
|
|
<div class="generation_time">
|
|||
|
|
Update Time: 2025-01-21
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</footer>
|
|||
|
|
|
|||
|
|
<div id="go2top" class="d-print-none">
|
|||
|
|
<span class="oxy-icon oxy-icon-up"></span>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div id="modal_img_large" class="modal">
|
|||
|
|
<span class="close oxy-icon oxy-icon-remove"></span>
|
|||
|
|
<div id="modal_img_container"></div>
|
|||
|
|
<div id="caption"></div>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
|
|||
|
|
|
|||
|
|
|
|||
|
|
</body>
|
|||
|
|
</html>
|