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path: root/drivers/char/ftape/lowlevel/ftape-setup.c
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Diffstat (limited to 'drivers/char/ftape/lowlevel/ftape-setup.c')
-rw-r--r--drivers/char/ftape/lowlevel/ftape-setup.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/char/ftape/lowlevel/ftape-setup.c b/drivers/char/ftape/lowlevel/ftape-setup.c
new file mode 100644
index 000000000000..280a1a55d87e
--- /dev/null
+++ b/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 <linux/ftape.h>
+#include <linux/init.h>
+#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}
+};
+
+static int __init ftape_setup(char *str)
+{
+ int i;
+ int param;
+ int ints[2];
+
+ TRACE_FUN(ft_t_flow);
+
+ str = get_options(str, ARRAY_SIZE(ints), ints);
+ 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);
+ goto out;
+ }
+ if(config_params[i].var) {
+ TRACE(ft_t_info, "%s=%d", str, param);
+ *config_params[i].var = param;
+ }
+ goto out;
+ }
+ }
+ }
+ 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");
+ }
+ out:
+ TRACE_EXIT 1;
+}
+
+__setup("ftape=", ftape_setup);