Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | /* * 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/errno.h> #include <linux/fs.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/major.h> #include <linux/ftape.h> #include <linux/init.h> #include <linux/qic117.h> #ifdef CONFIG_ZFTAPE #include <linux/zftape.h> #endif #include "../lowlevel/ftape-init.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" #if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL) static int ft_tracing = -1; #endif /* Called by modules package when installing the driver * or by kernel during the initialization phase */ static int __init ftape_init(void) { TRACE_FUN(ft_t_flow); #ifdef MODULE #ifndef CONFIG_FT_NO_TRACE_AT_ALL if (ft_tracing != -1) { ftape_tracing = ft_tracing; } #endif 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"); } #else /* !MODULE */ /* print a short no-nonsense boot message */ printk(KERN_INFO FTAPE_VERSION "\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. */ #ifdef 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 defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS) (void)ftape_proc_init(); #endif #ifdef CONFIG_ZFTAPE (void)zft_init(); #endif TRACE_EXIT 0; } module_param(ft_fdc_base, uint, 0); MODULE_PARM_DESC(ft_fdc_base, "Base address of FDC controller."); module_param(ft_fdc_irq, uint, 0); MODULE_PARM_DESC(ft_fdc_irq, "IRQ (interrupt channel) to use."); module_param(ft_fdc_dma, uint, 0); MODULE_PARM_DESC(ft_fdc_dma, "DMA channel to use."); module_param(ft_fdc_threshold, uint, 0); MODULE_PARM_DESC(ft_fdc_threshold, "Threshold of the FDC Fifo."); module_param(ft_fdc_rate_limit, uint, 0); MODULE_PARM_DESC(ft_fdc_rate_limit, "Maximal data rate for FDC."); module_param(ft_probe_fc10, bool, 0); MODULE_PARM_DESC(ft_probe_fc10, "If non-zero, probe for a Colorado FC-10/FC-20 controller."); module_param(ft_mach2, bool, 0); MODULE_PARM_DESC(ft_mach2, "If non-zero, probe for a Mountain MACH-2 controller."); #if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL) module_param(ft_tracing, int, 0644); MODULE_PARM_DESC(ft_tracing, "Amount of debugging output, 0 <= tracing <= 8, default 3."); #endif 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"); static void __exit ftape_exit(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; } module_init(ftape_init); module_exit(ftape_exit); |