patch-2.3.99-pre8 linux/drivers/s390/char/hwc_con.c

• Lines: 100
• Date: Fri May 12 11:41:44 2000
• Orig file: v2.3.99-pre7/linux/drivers/s390/char/hwc_con.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre7/linux/drivers/s390/char/hwc_con.c linux/drivers/s390/char/hwc_con.c
@@ -0,0 +1,99 @@
+/*
+ *  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/config.h>
+#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
+
+void __init 
+hwc_console_init (void)
+{
+
+#ifdef CONFIG_3215
+	if (MACHINE_IS_VM)
+		return;
+#endif
+	if (MACHINE_IS_P390)
+		return;
+
+	if (hwc_init () == 0) {
+
+#ifdef CONFIG_HWC_CONSOLE
+
+		register_console (&hwc_console);
+#endif
+
+		hwc_tty_init ();
+	} else
+		panic (HWC_CON_PRINT_HEADER "hwc initialisation failed !");
+
+	return;
+}