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authorBenedikt Spranger <b.spranger@linutronix.de>2009-11-24 10:52:22 +0100
committerBenedikt Spranger <b.spranger@linutronix.de>2009-11-24 10:54:35 +0100
commite28a6bf75de1d098df46f46d710ebb0aefb21db7 (patch)
treee9b5bdef8c28d2ce43e5ecc6219aa0777fb7cff5 /kernel-devel/module-basics/pres_module-basics_de.tex
parentc5b55712e06551da232fd77eb545e9b7f0409006 (diff)
Platform device added
Diffstat (limited to 'kernel-devel/module-basics/pres_module-basics_de.tex')
-rw-r--r--kernel-devel/module-basics/pres_module-basics_de.tex197
1 files changed, 191 insertions, 6 deletions
diff --git a/kernel-devel/module-basics/pres_module-basics_de.tex b/kernel-devel/module-basics/pres_module-basics_de.tex
index a62397c..533a668 100644
--- a/kernel-devel/module-basics/pres_module-basics_de.tex
+++ b/kernel-devel/module-basics/pres_module-basics_de.tex
@@ -134,22 +134,22 @@ vain_exit: done
% ----- Slide Komplexere Module ------------------
\begin{frame}
-\frametitle{Komplexere Modul}
+\frametitle{Komplexere Module}
\pause
\begin{itemize}
\item Teil eines Bussystems
\pause
\begin{itemize}
-\item USB
-\pause
\item PCI
\pause
\item Platform
\pause
+\item USB
+\pause
\item \dots
\pause
\end{itemize}
-\item Teil eines Subsystems
+\item Teil eines Subsystems\footnote{nicht Teil des Vortrages}
\pause
\begin{itemize}
\item Character-Devices
@@ -182,7 +182,7 @@ vain_exit: done
\pause
\begin{tiny}
\begin{lstlisting}[frame=trBL]
-static int vain_pci_init(void)
+static int __init vain_pci_init(void)
{
int err;
@@ -207,7 +207,7 @@ module_init(vain_pci_init);
\pause
\begin{tiny}
\begin{lstlisting}[frame=trBL]
-static void vain_pci_exit(void)
+static void __exit vain_pci_exit(void)
{
|pci_unregister_driver(&vain_pci_driver);|
printk(KERN_INFO ``vain_pci_exit: done\n'');
@@ -368,4 +368,189 @@ module_exit(vain_pci_exit);
\end{tiny}
\end{frame}
+% ----- Slide Platform Treiber ------------------
+\begin{frame}[fragile]
+\frametitle{Aufbau eines Platform Treiber Moduls}
+\pause
+\begin{itemize}
+\item Header
+\pause
+\begin{tiny}
+\begin{lstlisting}[frame=trBL]
+#include <linux/init.h>
+#include <linux/module.h>
+|#include <linux/platform_device.h>
+
+#include <asm/io.h>|
+\end{lstlisting}
+\end{tiny}
+\pause
+\item Init
+\pause
+\begin{tiny}
+\begin{lstlisting}[frame=trBL]
+static int __init vain_plat_init(void)
+{
+ int err;
+
+ |err = platform_driver_register(&vain_plat_driver);|
+
+ if (!err)
+ printk(KERN_INFO ``vain_plat_init: done\n'');
+ return err;
+}
+\end{lstlisting}
+\end{tiny}
+\end{itemize}
+\end{frame}
+
+% ----- Slide Platform Treiber ------------------
+\begin{frame}[fragile]
+\frametitle{Aufbau eines Platform Treiber Moduls (fort.)}
+\pause
+\begin{itemize}
+\item Exit
+\pause
+\begin{tiny}
+\begin{lstlisting}[frame=trBL]
+static void __exit vain_plat_exit(void)
+{
+ |platform_driver_unregister(&vain_plat_driver);|
+ printk(KERN_INFO ``vain_plat_exit: done\n'');
+}
+\end{lstlisting}
+\end{tiny}
+\end{itemize}
+\end{frame}
+
+% ----- Slide Platform Treiber ------------------
+\begin{frame}[fragile]
+\frametitle{Aufbau eines Platform Treiber Moduls (fort.)}
+\pause
+\begin{itemize}
+\item struct platform\_driver
+\pause
+\begin{tiny}
+\begin{lstlisting}[frame=trBL]
+|static struct platform_driver vain_plat_driver = {
+ .driver = {
+ .name = "vain_plat",
+ .owner = THIS_MODULE,
+ },
+ .probe = vain_plat_probe,
+ .remove = __devexit_p(vain_plat_remove),
+};|
+\end{lstlisting}
+\end{tiny}
+\end{itemize}
+\end{frame}
+
+% ----- Slide Platform Treiber ------------------
+\begin{frame}[fragile]
+\frametitle{Aufbau eines Platform Treiber Moduls (fort.)}
+\pause
+\begin{itemize}
+\item probe
+\pause
+\begin{tiny}
+\begin{lstlisting}[frame=trBL]
+|static int __devinit vain_plat_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ int err;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (unlikely(!res))
+ goto err_free;
+
+ mem = request_mem_region(res->start, resource_size(res), pdev->name);
+ if (!mem)
+ goto err_free;
+
+ info->base = ioremap(res->start, resource_size(res));
+ if (!info->base)
+ goto err_ioremap;
+
+ platform_set_drvdata(pdev, info);
+
+ return 0;|
+\end{lstlisting}
+\end{tiny}
+\end{itemize}
+\end{frame}
+
+% ----- Slide Platform Treiber ------------------
+\begin{frame}[fragile]
+\frametitle{Aufbau eines Platform Treiber Moduls (fort.)}
+\pause
+\begin{itemize}
+\item remove
+\pause
+\begin{tiny}
+\begin{lstlisting}[frame=trBL]
+|static int __devexit vain_plat_remove(struct platform_device *pdev)
+{
+ struct vain_plat_info *info = platform_get_drvdata(pdev);
+ struct resource *res;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ iounmap(info->base);
+ release_mem_region(res->start, resource_size(res));
+ platform_set_drvdata(pdev, NULL);
+
+ kfree (info);
+
+ return 0;
+}|
+\end{lstlisting}
+\end{tiny}
+\end{itemize}
+\end{frame}
+
+% ----- Slide PCI Treiber Hintergrund ------------------
+\begin{frame}
+\frametitle{Platform Treiber Hintergrund}
+\includegraphics[width=7cm]{images/plat_driver.png}
+\end{frame}
+
+% ----- Slide Platform Rumpf Treiber ------------------
+\begin{frame}[fragile]
+\frametitle{Platform Rumpf Treiber}
+\begin{tiny}
+\lstinputlisting{vain_plat/vain_plat_1.c}
+\end{tiny}
+\end{frame}
+
+% ----- Slide Platform Rumpf Treiber (fort.) ------------------
+\begin{frame}[fragile]
+\frametitle{Platform Rumpf Treiber (fort.)}
+\begin{tiny}
+\lstinputlisting{vain_plat/vain_plat_2.c}
+\end{tiny}
+\end{frame}
+
+% ----- Slide Platform Rumpf Treiber (fort.) ------------------
+\begin{frame}[fragile]
+\frametitle{Platform Rumpf Treiber (fort.)}
+\begin{tiny}
+\lstinputlisting{vain_plat/vain_plat_3.c}
+\end{tiny}
+\end{frame}
+
+% ----- Slide Platform Rumpf Treiber (fort.) ------------------
+\begin{frame}[fragile]
+\frametitle{Platform Rumpf Treiber (fort.)}
+\begin{tiny}
+\lstinputlisting{vain_plat/vain_plat_4.c}
+\end{tiny}
+\end{frame}
+
+% ----- Slide Platform Rumpf Treiber (fort.) ------------------
+\begin{frame}[fragile]
+\frametitle{Platform Rumpf Treiber (fort.)}
+\begin{tiny}
+\lstinputlisting{vain_plat/vain_plat_5.c}
+\end{tiny}
+\end{frame}
+
\end{document}