diff options
Diffstat (limited to 'drivers/char/ftape/lowlevel/ftape-setup.c')
| -rw-r--r-- | drivers/char/ftape/lowlevel/ftape-setup.c | 105 |
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); |