diff options
Diffstat (limited to 'drivers/char/ftape/lowlevel/ftape-init.c')
-rw-r--r-- | drivers/char/ftape/lowlevel/ftape-init.c | 161 |
1 files changed, 161 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 000000000000..b54260d457c2 --- /dev/null +++ b/drivers/char/ftape/lowlevel/ftape-init.c | |||
@@ -0,0 +1,161 @@ | |||
1 | /* | ||
2 | * Copyright (C) 1993-1996 Bas Laarhoven, | ||
3 | * (C) 1996-1997 Claus-Justus Heine. | ||
4 | |||
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) | ||
8 | any later version. | ||
9 | |||
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. | ||
14 | |||
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. | ||
18 | |||
19 | * | ||
20 | * This file contains the code that interfaces the kernel | ||
21 | * for the QIC-40/80/3010/3020 floppy-tape driver for Linux. | ||
22 | */ | ||
23 | |||
24 | #include <linux/config.h> | ||
25 | #include <linux/module.h> | ||
26 | #include <linux/errno.h> | ||
27 | #include <linux/fs.h> | ||
28 | #include <linux/kernel.h> | ||
29 | #include <linux/signal.h> | ||
30 | #include <linux/major.h> | ||
31 | |||
32 | #include <linux/ftape.h> | ||
33 | #include <linux/init.h> | ||
34 | #include <linux/qic117.h> | ||
35 | #ifdef CONFIG_ZFTAPE | ||
36 | #include <linux/zftape.h> | ||
37 | #endif | ||
38 | |||
39 | #include "../lowlevel/ftape-init.h" | ||
40 | #include "../lowlevel/ftape-io.h" | ||
41 | #include "../lowlevel/ftape-read.h" | ||
42 | #include "../lowlevel/ftape-write.h" | ||
43 | #include "../lowlevel/ftape-ctl.h" | ||
44 | #include "../lowlevel/ftape-rw.h" | ||
45 | #include "../lowlevel/fdc-io.h" | ||
46 | #include "../lowlevel/ftape-buffer.h" | ||
47 | #include "../lowlevel/ftape-proc.h" | ||
48 | #include "../lowlevel/ftape-tracing.h" | ||
49 | |||
50 | |||
51 | #if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL) | ||
52 | static int ft_tracing = -1; | ||
53 | #endif | ||
54 | |||
55 | |||
56 | /* Called by modules package when installing the driver | ||
57 | * or by kernel during the initialization phase | ||
58 | */ | ||
59 | static int __init ftape_init(void) | ||
60 | { | ||
61 | TRACE_FUN(ft_t_flow); | ||
62 | |||
63 | #ifdef MODULE | ||
64 | #ifndef CONFIG_FT_NO_TRACE_AT_ALL | ||
65 | if (ft_tracing != -1) { | ||
66 | ftape_tracing = ft_tracing; | ||
67 | } | ||
68 | #endif | ||
69 | printk(KERN_INFO FTAPE_VERSION "\n"); | ||
70 | if (TRACE_LEVEL >= ft_t_info) { | ||
71 | printk( | ||
72 | KERN_INFO "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl)\n" | ||
73 | KERN_INFO "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no)\n" | ||
74 | KERN_INFO "(c) 1996-1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)\n" | ||
75 | KERN_INFO "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives\n"); | ||
76 | } | ||
77 | #else /* !MODULE */ | ||
78 | /* print a short no-nonsense boot message */ | ||
79 | printk(KERN_INFO FTAPE_VERSION "\n"); | ||
80 | #endif /* MODULE */ | ||
81 | TRACE(ft_t_info, "installing QIC-117 floppy tape hardware drive ... "); | ||
82 | TRACE(ft_t_info, "ftape_init @ 0x%p", ftape_init); | ||
83 | /* Allocate the DMA buffers. They are deallocated at cleanup() time. | ||
84 | */ | ||
85 | #ifdef TESTING | ||
86 | #ifdef MODULE | ||
87 | while (ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS) < 0) { | ||
88 | ftape_sleep(FT_SECOND/20); | ||
89 | if (signal_pending(current)) { | ||
90 | (void)ftape_set_nr_buffers(0); | ||
91 | TRACE(ft_t_bug, | ||
92 | "Killed by signal while allocating buffers."); | ||
93 | TRACE_ABORT(-EINTR, | ||
94 | ft_t_bug, "Free up memory and retry"); | ||
95 | } | ||
96 | } | ||
97 | #else | ||
98 | TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS), | ||
99 | (void)ftape_set_nr_buffers(0)); | ||
100 | #endif | ||
101 | #else | ||
102 | TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS), | ||
103 | (void)ftape_set_nr_buffers(0)); | ||
104 | #endif | ||
105 | ft_drive_sel = -1; | ||
106 | ft_failure = 1; /* inhibit any operation but open */ | ||
107 | ftape_udelay_calibrate(); /* must be before fdc_wait_calibrate ! */ | ||
108 | fdc_wait_calibrate(); | ||
109 | #if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS) | ||
110 | (void)ftape_proc_init(); | ||
111 | #endif | ||
112 | #ifdef CONFIG_ZFTAPE | ||
113 | (void)zft_init(); | ||
114 | #endif | ||
115 | TRACE_EXIT 0; | ||
116 | } | ||
117 | |||
118 | module_param(ft_fdc_base, uint, 0); | ||
119 | MODULE_PARM_DESC(ft_fdc_base, "Base address of FDC controller."); | ||
120 | module_param(ft_fdc_irq, uint, 0); | ||
121 | MODULE_PARM_DESC(ft_fdc_irq, "IRQ (interrupt channel) to use."); | ||
122 | module_param(ft_fdc_dma, uint, 0); | ||
123 | MODULE_PARM_DESC(ft_fdc_dma, "DMA channel to use."); | ||
124 | module_param(ft_fdc_threshold, uint, 0); | ||
125 | MODULE_PARM_DESC(ft_fdc_threshold, "Threshold of the FDC Fifo."); | ||
126 | module_param(ft_fdc_rate_limit, uint, 0); | ||
127 | MODULE_PARM_DESC(ft_fdc_rate_limit, "Maximal data rate for FDC."); | ||
128 | module_param(ft_probe_fc10, bool, 0); | ||
129 | MODULE_PARM_DESC(ft_probe_fc10, | ||
130 | "If non-zero, probe for a Colorado FC-10/FC-20 controller."); | ||
131 | module_param(ft_mach2, bool, 0); | ||
132 | MODULE_PARM_DESC(ft_mach2, | ||
133 | "If non-zero, probe for a Mountain MACH-2 controller."); | ||
134 | #if defined(MODULE) && !defined(CONFIG_FT_NO_TRACE_AT_ALL) | ||
135 | module_param(ft_tracing, int, 0644); | ||
136 | MODULE_PARM_DESC(ft_tracing, | ||
137 | "Amount of debugging output, 0 <= tracing <= 8, default 3."); | ||
138 | #endif | ||
139 | |||
140 | MODULE_AUTHOR( | ||
141 | "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl), " | ||
142 | "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no), " | ||
143 | "(c) 1996, 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)"); | ||
144 | MODULE_DESCRIPTION( | ||
145 | "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives."); | ||
146 | MODULE_LICENSE("GPL"); | ||
147 | |||
148 | static void __exit ftape_exit(void) | ||
149 | { | ||
150 | TRACE_FUN(ft_t_flow); | ||
151 | |||
152 | #if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS) | ||
153 | ftape_proc_destroy(); | ||
154 | #endif | ||
155 | (void)ftape_set_nr_buffers(0); | ||
156 | printk(KERN_INFO "ftape: unloaded.\n"); | ||
157 | TRACE_EXIT; | ||
158 | } | ||
159 | |||
160 | module_init(ftape_init); | ||
161 | module_exit(ftape_exit); | ||