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/*
* Copyright (C) 1993-1996 Bas Laarhoven,
* (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.
*
* This file contains the code that interfaces the kernel
* for the QIC-40/80/3010/3020 floppy-tape driver for Linux.
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/version.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/major.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 <linux/qic117.h>
#ifdef CONFIG_ZFTAPE
#include <linux/zftape.h>
#endif
#include "../lowlevel/ftape-init.h"
#include "../lowlevel/ftape_syms.h"
#include "../lowlevel/ftape-io.h"
#include "../lowlevel/ftape-read.h"
#include "../lowlevel/ftape-write.h"
#include "../lowlevel/ftape-ctl.h"
#include "../lowlevel/ftape-rw.h"
#include "../lowlevel/fdc-io.h"
#include "../lowlevel/ftape-buffer.h"
#include "../lowlevel/ftape-proc.h"
#include "../lowlevel/ftape-tracing.h"
/* Global vars.
*/
char ft_src[] __initdata = "$Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-init.c,v $";
char ft_rev[] __initdata = "$Revision: 1.8 $";
char ft_dat[] __initdata = "$Date: 1997/11/06 00:38:08 $";
/* Called by modules package when installing the driver
* or by kernel during the initialization phase
*/
int __init ftape_init(void)
{
TRACE_FUN(ft_t_flow);
#ifdef MODULE
printk(KERN_INFO FTAPE_VERSION "\n");
if (TRACE_LEVEL >= ft_t_info) {
printk(
KERN_INFO "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl)\n"
KERN_INFO "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no)\n"
KERN_INFO "(c) 1996-1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)\n"
KERN_INFO "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives\n"
KERN_INFO "Compiled for Linux version %s"
#ifdef MODVERSIONS
" with versioned symbols"
#endif
"\n", UTS_RELEASE);
}
#else /* !MODULE */
/* print a short no-nonsense boot message */
printk(KERN_INFO FTAPE_VERSION " for Linux " UTS_RELEASE "\n");
#endif /* MODULE */
TRACE(ft_t_info, "installing QIC-117 floppy tape hardware drive ... ");
TRACE(ft_t_info, "ftape_init @ 0x%p", ftape_init);
/* Allocate the DMA buffers. They are deallocated at cleanup() time.
*/
#if TESTING
#ifdef MODULE
while (ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS) < 0) {
ftape_sleep(FT_SECOND/20);
if (signal_pending(current)) {
(void)ftape_set_nr_buffers(0);
TRACE(ft_t_bug,
"Killed by signal while allocating buffers.");
TRACE_ABORT(-EINTR,
ft_t_bug, "Free up memory and retry");
}
}
#else
TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
(void)ftape_set_nr_buffers(0));
#endif
#else
TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
(void)ftape_set_nr_buffers(0));
#endif
ft_drive_sel = -1;
ft_failure = 1; /* inhibit any operation but open */
ftape_udelay_calibrate(); /* must be before fdc_wait_calibrate ! */
fdc_wait_calibrate();
#if LINUX_VERSION_CODE < KERNEL_VER(2,1,18)
register_symtab(&ftape_symbol_table); /* add global ftape symbols */
#endif
#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
(void)ftape_proc_init();
#endif
#ifdef CONFIG_ZFTAPE
(void)zft_init();
#endif
TRACE_EXIT 0;
}
#ifdef MODULE
#ifndef CONFIG_FT_NO_TRACE_AT_ALL
static int ft_tracing = -1;
#endif
#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,18)
#define FT_MOD_PARM(var,type,desc) \
MODULE_PARM(var,type); MODULE_PARM_DESC(var,desc)
FT_MOD_PARM(ft_fdc_base, "i", "Base address of FDC controller.");
FT_MOD_PARM(ft_fdc_irq, "i", "IRQ (interrupt channel) to use.");
FT_MOD_PARM(ft_fdc_dma, "i", "DMA channel to use.");
FT_MOD_PARM(ft_fdc_threshold, "i", "Threshold of the FDC Fifo.");
FT_MOD_PARM(ft_fdc_rate_limit, "i", "Maximal data rate for FDC.");
FT_MOD_PARM(ft_probe_fc10, "i",
"If non-zero, probe for a Colorado FC-10/FC-20 controller.");
FT_MOD_PARM(ft_mach2, "i",
"If non-zero, probe for a Mountain MACH-2 controller.");
FT_MOD_PARM(ft_tracing, "i",
"Amount of debugging output, 0 <= tracing <= 8, default 3.");
MODULE_AUTHOR(
"(c) 1993-1996 Bas Laarhoven (bas@vimec.nl), "
"(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no), "
"(c) 1996, 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)");
MODULE_DESCRIPTION(
"QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives.");
MODULE_LICENSE("GPL");
#endif
/* Called by modules package when installing the driver
*/
int init_module(void)
{
#ifndef CONFIG_FT_NO_TRACE_AT_ALL
if (ft_tracing != -1) {
ftape_tracing = ft_tracing;
}
#endif
return ftape_init();
}
/* Called by modules package when removing the driver
*/
void cleanup_module(void)
{
TRACE_FUN(ft_t_flow);
#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
ftape_proc_destroy();
#endif
(void)ftape_set_nr_buffers(0);
printk(KERN_INFO "ftape: unloaded.\n");
TRACE_EXIT;
}
#endif /* MODULE */
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