/* * 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 #include #include #include #include #include #include #include #include #if LINUX_VERSION_CODE >= KERNEL_VER(2,1,16) #include #else #define __initdata #define __initfunc(__arg) __arg #endif #include #ifdef CONFIG_ZFTAPE #include #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: /cvs/work/hardhat2_1_ar7/linux-2.4.17_mvl21/drivers/char/ftape/lowlevel/ftape-init.c,v $"; char ft_rev[] __initdata = "$Revision: 1.1.1.1 $"; char ft_dat[] __initdata = "$Date: 2003/06/23 22:18:26 $"; /* 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 */