diff options
Diffstat (limited to 'drivers/char/ftape/lowlevel/ftape-init.c')
| -rw-r--r-- | drivers/char/ftape/lowlevel/ftape-init.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/drivers/char/ftape/lowlevel/ftape-init.c b/drivers/char/ftape/lowlevel/ftape-init.c new file mode 100644 index 000000000..7a8d15f5e --- /dev/null +++ b/drivers/char/ftape/lowlevel/ftape-init.c @@ -0,0 +1,188 @@ +/* + * 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 + */ +__initfunc(int 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 (current->signal & ~current->blocked) { + (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(1,2,0) && \ + 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."); +#endif + +#if LINUX_VERSION_CODE <= KERNEL_VER(1,2,13) +char kernel_version[] = UTS_RELEASE; +#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 */ |