162 lines
5.0 KiB
C
162 lines
5.0 KiB
C
/*
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* Copyright (C) 1993-1996 Bas Laarhoven,
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* (C) 1996-1997 Claus-Justus Heine.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* This file contains the code that interfaces the kernel
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* for the QIC-40/80/3010/3020 floppy-tape driver for Linux.
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/kernel.h>
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#include <linux/signal.h>
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#include <linux/major.h>
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#include <linux/ftape.h>
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#include <linux/init.h>
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#include <linux/qic117.h>
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#ifdef CONFIG_ZFTAPE
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#include <linux/zftape.h>
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#endif
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#include "../lowlevel/ftape-init.h"
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#include "../lowlevel/ftape-io.h"
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#include "../lowlevel/ftape-read.h"
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#include "../lowlevel/ftape-write.h"
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#include "../lowlevel/ftape-ctl.h"
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#include "../lowlevel/ftape-rw.h"
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#include "../lowlevel/fdc-io.h"
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#include "../lowlevel/ftape-buffer.h"
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#include "../lowlevel/ftape-proc.h"
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#include "../lowlevel/ftape-tracing.h"
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#if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL)
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static int ft_tracing = -1;
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#endif
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/* Called by modules package when installing the driver
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* or by kernel during the initialization phase
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*/
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static int __init ftape_init(void)
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{
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TRACE_FUN(ft_t_flow);
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#ifdef MODULE
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#ifndef CONFIG_FT_NO_TRACE_AT_ALL
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if (ft_tracing != -1) {
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ftape_tracing = ft_tracing;
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}
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#endif
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printk(KERN_INFO FTAPE_VERSION "\n");
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if (TRACE_LEVEL >= ft_t_info) {
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printk(
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KERN_INFO "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl)\n"
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KERN_INFO "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no)\n"
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KERN_INFO "(c) 1996-1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)\n"
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KERN_INFO "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives\n");
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}
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#else /* !MODULE */
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/* print a short no-nonsense boot message */
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printk(KERN_INFO FTAPE_VERSION "\n");
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#endif /* MODULE */
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TRACE(ft_t_info, "installing QIC-117 floppy tape hardware drive ... ");
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TRACE(ft_t_info, "ftape_init @ 0x%p", ftape_init);
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/* Allocate the DMA buffers. They are deallocated at cleanup() time.
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*/
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#ifdef TESTING
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#ifdef MODULE
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while (ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS) < 0) {
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ftape_sleep(FT_SECOND/20);
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if (signal_pending(current)) {
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(void)ftape_set_nr_buffers(0);
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TRACE(ft_t_bug,
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"Killed by signal while allocating buffers.");
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TRACE_ABORT(-EINTR,
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ft_t_bug, "Free up memory and retry");
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}
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}
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#else
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TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
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(void)ftape_set_nr_buffers(0));
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#endif
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#else
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TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
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(void)ftape_set_nr_buffers(0));
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#endif
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ft_drive_sel = -1;
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ft_failure = 1; /* inhibit any operation but open */
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ftape_udelay_calibrate(); /* must be before fdc_wait_calibrate ! */
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fdc_wait_calibrate();
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#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
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(void)ftape_proc_init();
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#endif
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#ifdef CONFIG_ZFTAPE
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(void)zft_init();
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#endif
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TRACE_EXIT 0;
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}
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module_param(ft_fdc_base, uint, 0);
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MODULE_PARM_DESC(ft_fdc_base, "Base address of FDC controller.");
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module_param(ft_fdc_irq, uint, 0);
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MODULE_PARM_DESC(ft_fdc_irq, "IRQ (interrupt channel) to use.");
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module_param(ft_fdc_dma, uint, 0);
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MODULE_PARM_DESC(ft_fdc_dma, "DMA channel to use.");
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module_param(ft_fdc_threshold, uint, 0);
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MODULE_PARM_DESC(ft_fdc_threshold, "Threshold of the FDC Fifo.");
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module_param(ft_fdc_rate_limit, uint, 0);
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MODULE_PARM_DESC(ft_fdc_rate_limit, "Maximal data rate for FDC.");
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module_param(ft_probe_fc10, bool, 0);
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MODULE_PARM_DESC(ft_probe_fc10,
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"If non-zero, probe for a Colorado FC-10/FC-20 controller.");
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module_param(ft_mach2, bool, 0);
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MODULE_PARM_DESC(ft_mach2,
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"If non-zero, probe for a Mountain MACH-2 controller.");
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#if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL)
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module_param(ft_tracing, int, 0644);
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MODULE_PARM_DESC(ft_tracing,
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"Amount of debugging output, 0 <= tracing <= 8, default 3.");
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#endif
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MODULE_AUTHOR(
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"(c) 1993-1996 Bas Laarhoven (bas@vimec.nl), "
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"(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no), "
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"(c) 1996, 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)");
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MODULE_DESCRIPTION(
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"QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives.");
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MODULE_LICENSE("GPL");
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static void __exit ftape_exit(void)
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{
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TRACE_FUN(ft_t_flow);
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#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
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ftape_proc_destroy();
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#endif
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(void)ftape_set_nr_buffers(0);
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printk(KERN_INFO "ftape: unloaded.\n");
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TRACE_EXIT;
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}
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module_init(ftape_init);
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module_exit(ftape_exit);
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