patch-2.1.66 linux/drivers/char/ftape/lowlevel/ftape-setup.c

• Lines: 106
• Date: Tue Nov 25 14:45:27 1997
• Orig file: v2.1.65/linux/drivers/char/ftape/lowlevel/ftape-setup.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.65/linux/drivers/char/ftape/lowlevel/ftape-setup.c linux/drivers/char/ftape/lowlevel/ftape-setup.c
@@ -0,0 +1,105 @@
+/* 
+ * Copyright (C) 1996, 1997 Claus-Justus Heine.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING.  If not, write to
+ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ *
+ * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-setup.c,v $
+ * $Revision: 1.7 $
+ * $Date: 1997/10/10 09:57:06 $
+ *
+ *      This file contains the code for processing the kernel command
+ *      line options for the QIC-40/80/3010/3020 floppy-tape driver
+ *      "ftape" for Linux.
+ */
+
+#include <linux/config.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/mm.h>
+#include <asm/segment.h>
+
+#include <linux/ftape.h>
+#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,16)
+#include <linux/init.h>
+#else
+#define __initdata
+#define __initfunc(__arg) __arg
+#endif
+#include "../lowlevel/ftape-tracing.h"
+#include "../lowlevel/fdc-io.h"
+
+static struct param_table {
+	const char *name;
+	int *var;
+	int def_param;
+	int min;
+	int max;
+} config_params[] __initdata = {
+#ifndef CONFIG_FT_NO_TRACE_AT_ALL
+	{ "tracing",   &ftape_tracing,     3,              ft_t_bug, ft_t_any},
+#endif
+	{ "ioport",    &ft_fdc_base,       CONFIG_FT_FDC_BASE,     0x0, 0xfff},
+	{ "irq",       &ft_fdc_irq,        CONFIG_FT_FDC_IRQ,        2,    15},
+	{ "dma",       &ft_fdc_dma,        CONFIG_FT_FDC_DMA,        0,     3},
+	{ "threshold", &ft_fdc_threshold,  CONFIG_FT_FDC_THR,         1,    16},
+	{ "datarate",  &ft_fdc_rate_limit, CONFIG_FT_FDC_MAX_RATE, 500,  2000},
+	{ "fc10",      &ft_probe_fc10,     CONFIG_FT_PROBE_FC10,     0,     1},
+	{ "mach2",     &ft_mach2,          CONFIG_FT_MACH2,          0,     1}
+};
+
+__initfunc(void ftape_setup(char *str, int *ints))
+{
+	int i;
+	int param;
+	TRACE_FUN(ft_t_flow);
+
+	if (str) {
+		for (i=0; i < NR_ITEMS(config_params); i++) {
+			if (strcmp(str,config_params[i].name) == 0){
+				if (ints[0]) {
+					param = ints[1];
+				} else {
+					param = config_params[i].def_param;
+				}
+				if (param < config_params[i].min ||
+				    param > config_params[i].max) {
+					TRACE(ft_t_err,
+					"parameter %s out of range %d ... %d",
+					      config_params[i].name,
+					      config_params[i].min,
+					      config_params[i].max);
+					TRACE_EXIT;
+				}
+				if(config_params[i].var) {
+					TRACE(ft_t_info, "%s=%d", str, param);
+					*config_params[i].var = param;
+				}
+				TRACE_EXIT;
+			}
+		}
+	}
+	if (str) {
+		TRACE(ft_t_err, "unknown ftape option [%s]", str);
+		
+		TRACE(ft_t_err, "allowed options are:");
+		for (i=0; i < NR_ITEMS(config_params); i++) {
+			TRACE(ft_t_err, " %s",config_params[i].name);
+		}
+	} else {
+		TRACE(ft_t_err, "botched ftape option");
+	}
+	TRACE_EXIT;
+}