ftape-setup.c
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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);