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/*
* 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}
};
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);
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