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/module.h>
25 #include <linux/errno.h>
27 #include <linux/kernel.h>
28 #include <linux/signal.h>
29 #include <linux/major.h>
31 #include <linux/ftape.h>
32 #include <linux/init.h>
33 #include <linux/qic117.h>
35 #include <linux/zftape.h>
38 #include "../lowlevel/ftape-init.h"
39 #include "../lowlevel/ftape-io.h"
40 #include "../lowlevel/ftape-read.h"
41 #include "../lowlevel/ftape-write.h"
42 #include "../lowlevel/ftape-ctl.h"
43 #include "../lowlevel/ftape-rw.h"
44 #include "../lowlevel/fdc-io.h"
45 #include "../lowlevel/ftape-buffer.h"
46 #include "../lowlevel/ftape-proc.h"
47 #include "../lowlevel/ftape-tracing.h"
50 #if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL)
51 static int ft_tracing = -1;
55 /* Called by modules package when installing the driver
56 * or by kernel during the initialization phase
58 static int __init ftape_init(void)
63 #ifndef CONFIG_FT_NO_TRACE_AT_ALL
64 if (ft_tracing != -1) {
65 ftape_tracing = ft_tracing;
68 printk(KERN_INFO FTAPE_VERSION "\n");
69 if (TRACE_LEVEL >= ft_t_info) {
71 KERN_INFO "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl)\n"
72 KERN_INFO "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no)\n"
73 KERN_INFO "(c) 1996-1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)\n"
74 KERN_INFO "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives\n");
77 /* print a short no-nonsense boot message */
78 printk(KERN_INFO FTAPE_VERSION "\n");
80 TRACE(ft_t_info, "installing QIC-117 floppy tape hardware drive ... ");
81 TRACE(ft_t_info, "ftape_init @ 0x%p", ftape_init);
82 /* Allocate the DMA buffers. They are deallocated at cleanup() time.
86 while (ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS) < 0) {
87 ftape_sleep(FT_SECOND/20);
88 if (signal_pending(current)) {
89 (void)ftape_set_nr_buffers(0);
91 "Killed by signal while allocating buffers.");
93 ft_t_bug, "Free up memory and retry");
97 TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
98 (void)ftape_set_nr_buffers(0));
101 TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
102 (void)ftape_set_nr_buffers(0));
105 ft_failure = 1; /* inhibit any operation but open */
106 ftape_udelay_calibrate(); /* must be before fdc_wait_calibrate ! */
107 fdc_wait_calibrate();
108 #if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
109 (void)ftape_proc_init();
117 module_param(ft_fdc_base, uint, 0);
118 MODULE_PARM_DESC(ft_fdc_base, "Base address of FDC controller.");
119 module_param(ft_fdc_irq, uint, 0);
120 MODULE_PARM_DESC(ft_fdc_irq, "IRQ (interrupt channel) to use.");
121 module_param(ft_fdc_dma, uint, 0);
122 MODULE_PARM_DESC(ft_fdc_dma, "DMA channel to use.");
123 module_param(ft_fdc_threshold, uint, 0);
124 MODULE_PARM_DESC(ft_fdc_threshold, "Threshold of the FDC Fifo.");
125 module_param(ft_fdc_rate_limit, uint, 0);
126 MODULE_PARM_DESC(ft_fdc_rate_limit, "Maximal data rate for FDC.");
127 module_param(ft_probe_fc10, bool, 0);
128 MODULE_PARM_DESC(ft_probe_fc10,
129 "If non-zero, probe for a Colorado FC-10/FC-20 controller.");
130 module_param(ft_mach2, bool, 0);
131 MODULE_PARM_DESC(ft_mach2,
132 "If non-zero, probe for a Mountain MACH-2 controller.");
133 #if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL)
134 module_param(ft_tracing, int, 0644);
135 MODULE_PARM_DESC(ft_tracing,
136 "Amount of debugging output, 0 <= tracing <= 8, default 3.");
140 "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl), "
141 "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no), "
142 "(c) 1996, 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)");
144 "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives.");
145 MODULE_LICENSE("GPL");
147 static void __exit ftape_exit(void)
149 TRACE_FUN(ft_t_flow);
151 #if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
152 ftape_proc_destroy();
154 (void)ftape_set_nr_buffers(0);
155 printk(KERN_INFO "ftape: unloaded.\n");
159 module_init(ftape_init);
160 module_exit(ftape_exit);