patch-2.2.14 linux/drivers/s390/char/hwc_con.c

• Lines: 88
• Date: Tue Jan 4 10:12:18 2000
• Orig file: v2.2.13/linux/drivers/s390/char/hwc_con.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.2.13/linux/drivers/s390/char/hwc_con.c linux/drivers/s390/char/hwc_con.c
@@ -0,0 +1,87 @@
+/*
+ *  drivers/s390/char/hwc_con.c
+ *    HWC line mode console driver
+ *
+ *  S390 version
+ *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Author(s): Martin Peschke <peschke@fh-brandenburg.de>
+ */
+
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/errno.h>
+#include <linux/kdev_t.h>
+#include <linux/string.h>
+#include <linux/console.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+
+#include "hwc_rw.h"
+
+extern void hwc_tty_init(void);
+
+
+#ifdef CONFIG_HWC_CONSOLE
+
+#define  hwc_console_major 4 
+#define  hwc_console_minor 0
+#define  hwc_console_name  "console" 
+
+void hwc_console_write(struct console *, const char *, unsigned int);
+kdev_t hwc_console_device(struct console *);
+
+#define  HWC_CON_PRINT_HEADER "hwc console driver: "
+
+struct console hwc_console = {
+	hwc_console_name,
+	hwc_console_write,
+	NULL,
+	hwc_console_device,
+	NULL,			
+	NULL,			
+	NULL,			
+	CON_PRINTBUFFER,
+	0,
+	0,
+	NULL
+};
+ 
+void hwc_console_write(
+	struct console *console,
+	const char *message,
+	unsigned int count)
+{
+	if (console->device(console) != hwc_console.device(&hwc_console)) 
+	{
+		hwc_printk(KERN_WARNING HWC_CON_PRINT_HEADER
+				"hwc_console_write() called with wrong "
+				"device number");
+		return;
+	}
+	hwc_write(0, message, count);
+}
+
+
+kdev_t hwc_console_device(struct console *c)
+{
+	return  MKDEV(hwc_console_major, hwc_console_minor);
+}
+
+#endif	
+
+__initfunc(unsigned long hwc_console_init(unsigned long kmem_start))
+{
+
+#ifdef CONFIG_3215
+        if (MACHINE_IS_VM)
+                return kmem_start;
+#endif
+	if (hwc_init(&kmem_start) == 0) {
+#ifdef CONFIG_HWC_CONSOLE
+		register_console(&hwc_console);
+#endif	
+		hwc_tty_init();
+	}
+	else panic(HWC_CON_PRINT_HEADER "hwc initialisation failed !");
+	return kmem_start;
+}