2 * Copyright (C) 1993-1996 Bas Laarhoven,
3 * (C) 1996-1997 Claus-Justus Heine.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; see the file COPYING. If not, write to
17 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
20 * This file contains the code that interfaces the kernel
21 * for the QIC-40/80/3010/3020 floppy-tape driver for Linux.
24 #include <linux/config.h>
25 #include <linux/module.h>
26 #include <linux/version.h>
27 #include <linux/errno.h>
29 #include <linux/kernel.h>
30 #include <linux/signal.h>
31 #include <linux/major.h>
33 #include <linux/ftape.h>
34 #include <linux/init.h>
35 #include <linux/qic117.h>
37 #include <linux/zftape.h>
40 #include "../lowlevel/ftape-init.h"
41 #include "../lowlevel/ftape-io.h"
42 #include "../lowlevel/ftape-read.h"
43 #include "../lowlevel/ftape-write.h"
44 #include "../lowlevel/ftape-ctl.h"
45 #include "../lowlevel/ftape-rw.h"
46 #include "../lowlevel/fdc-io.h"
47 #include "../lowlevel/ftape-buffer.h"
48 #include "../lowlevel/ftape-proc.h"
49 #include "../lowlevel/ftape-tracing.h"
53 char ft_src[] __initdata = "$Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-init.c,v $";
54 char ft_rev[] __initdata = "$Revision: 1.8 $";
55 char ft_dat[] __initdata = "$Date: 1997/11/06 00:38:08 $";
58 #if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL)
59 static int ft_tracing = -1;
63 /* Called by modules package when installing the driver
64 * or by kernel during the initialization phase
66 static int __init ftape_init(void)
71 #ifndef CONFIG_FT_NO_TRACE_AT_ALL
72 if (ft_tracing != -1) {
73 ftape_tracing = ft_tracing;
76 printk(KERN_INFO FTAPE_VERSION "\n");
77 if (TRACE_LEVEL >= ft_t_info) {
79 KERN_INFO "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl)\n"
80 KERN_INFO "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no)\n"
81 KERN_INFO "(c) 1996-1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)\n"
82 KERN_INFO "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives\n"
83 KERN_INFO "Compiled for Linux version %s\n", UTS_RELEASE);
86 /* print a short no-nonsense boot message */
87 printk(KERN_INFO FTAPE_VERSION " for Linux " UTS_RELEASE "\n");
89 TRACE(ft_t_info, "installing QIC-117 floppy tape hardware drive ... ");
90 TRACE(ft_t_info, "ftape_init @ 0x%p", ftape_init);
91 /* Allocate the DMA buffers. They are deallocated at cleanup() time.
95 while (ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS) < 0) {
96 ftape_sleep(FT_SECOND/20);
97 if (signal_pending(current)) {
98 (void)ftape_set_nr_buffers(0);
100 "Killed by signal while allocating buffers.");
102 ft_t_bug, "Free up memory and retry");
106 TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
107 (void)ftape_set_nr_buffers(0));
110 TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
111 (void)ftape_set_nr_buffers(0));
114 ft_failure = 1; /* inhibit any operation but open */
115 ftape_udelay_calibrate(); /* must be before fdc_wait_calibrate ! */
116 fdc_wait_calibrate();
117 #if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
118 (void)ftape_proc_init();
126 module_param(ft_fdc_base, uint, 0);
127 MODULE_PARM_DESC(ft_fdc_base, "Base address of FDC controller.");
128 module_param(ft_fdc_irq, uint, 0);
129 MODULE_PARM_DESC(ft_fdc_irq, "IRQ (interrupt channel) to use.");
130 module_param(ft_fdc_dma, uint, 0);
131 MODULE_PARM_DESC(ft_fdc_dma, "DMA channel to use.");
132 module_param(ft_fdc_threshold, uint, 0);
133 MODULE_PARM_DESC(ft_fdc_threshold, "Threshold of the FDC Fifo.");
134 module_param(ft_fdc_rate_limit, uint, 0);
135 MODULE_PARM_DESC(ft_fdc_rate_limit, "Maximal data rate for FDC.");
136 module_param(ft_probe_fc10, bool, 0);
137 MODULE_PARM_DESC(ft_probe_fc10,
138 "If non-zero, probe for a Colorado FC-10/FC-20 controller.");
139 module_param(ft_mach2, bool, 0);
140 MODULE_PARM_DESC(ft_mach2,
141 "If non-zero, probe for a Mountain MACH-2 controller.");
142 #if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL)
143 module_param(ft_tracing, int, 0644);
144 MODULE_PARM_DESC(ft_tracing,
145 "Amount of debugging output, 0 <= tracing <= 8, default 3.");
149 "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl), "
150 "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no), "
151 "(c) 1996, 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)");
153 "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives.");
154 MODULE_LICENSE("GPL");
156 static void __exit ftape_exit(void)
158 TRACE_FUN(ft_t_flow);
160 #if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
161 ftape_proc_destroy();
163 (void)ftape_set_nr_buffers(0);
164 printk(KERN_INFO "ftape: unloaded.\n");
168 module_init(ftape_init);
169 module_exit(ftape_exit);