ftape-init.c
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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 drivesn"
- 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 */