diff options
Diffstat (limited to 'drivers/char/ftape/lowlevel/ftape-rw.h')
-rw-r--r-- | drivers/char/ftape/lowlevel/ftape-rw.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/drivers/char/ftape/lowlevel/ftape-rw.h b/drivers/char/ftape/lowlevel/ftape-rw.h deleted file mode 100644 index 32f4feeb887c..000000000000 --- a/drivers/char/ftape/lowlevel/ftape-rw.h +++ /dev/null | |||
@@ -1,111 +0,0 @@ | |||
1 | #ifndef _FTAPE_RW_H | ||
2 | #define _FTAPE_RW_H | ||
3 | |||
4 | /* | ||
5 | * Copyright (C) 1993-1996 Bas Laarhoven, | ||
6 | * (C) 1996-1997 Claus-Justus Heine. | ||
7 | |||
8 | This program is free software; you can redistribute it and/or modify | ||
9 | it under the terms of the GNU General Public License as published by | ||
10 | the Free Software Foundation; either version 2, or (at your option) | ||
11 | any later version. | ||
12 | |||
13 | This program is distributed in the hope that it will be useful, | ||
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | GNU General Public License for more details. | ||
17 | |||
18 | You should have received a copy of the GNU General Public License | ||
19 | along with this program; see the file COPYING. If not, write to | ||
20 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | ||
21 | |||
22 | * | ||
23 | * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-rw.h,v $ | ||
24 | * $Revision: 1.2 $ | ||
25 | * $Date: 1997/10/05 19:18:25 $ | ||
26 | * | ||
27 | * This file contains the definitions for the read and write | ||
28 | * functions for the QIC-117 floppy-tape driver for Linux. | ||
29 | * | ||
30 | * Claus-Justus Heine (1996/09/20): Add definition of format code 6 | ||
31 | * Claus-Justus Heine (1996/10/04): Changed GET/PUT macros to cast to (__u8 *) | ||
32 | * | ||
33 | */ | ||
34 | |||
35 | #include "../lowlevel/fdc-io.h" | ||
36 | #include "../lowlevel/ftape-init.h" | ||
37 | #include "../lowlevel/ftape-bsm.h" | ||
38 | |||
39 | #include <asm/unaligned.h> | ||
40 | |||
41 | #define GET2(address, offset) get_unaligned((__u16*)((__u8 *)address + offset)) | ||
42 | #define GET4(address, offset) get_unaligned((__u32*)((__u8 *)address + offset)) | ||
43 | #define GET8(address, offset) get_unaligned((__u64*)((__u8 *)address + offset)) | ||
44 | #define PUT2(address, offset , value) put_unaligned((value), (__u16*)((__u8 *)address + offset)) | ||
45 | #define PUT4(address, offset , value) put_unaligned((value), (__u32*)((__u8 *)address + offset)) | ||
46 | #define PUT8(address, offset , value) put_unaligned((value), (__u64*)((__u8 *)address + offset)) | ||
47 | |||
48 | enum runner_status_enum { | ||
49 | idle = 0, | ||
50 | running, | ||
51 | do_abort, | ||
52 | aborting, | ||
53 | logical_eot, | ||
54 | end_of_tape, | ||
55 | }; | ||
56 | |||
57 | typedef enum ft_buffer_queue { | ||
58 | ft_queue_head = 0, | ||
59 | ft_queue_tail = 1 | ||
60 | } ft_buffer_queue_t; | ||
61 | |||
62 | |||
63 | typedef struct { | ||
64 | int track; /* tape head position */ | ||
65 | volatile int segment; /* current segment */ | ||
66 | volatile int sector; /* sector offset within current segment */ | ||
67 | volatile unsigned int bot; /* logical begin of track */ | ||
68 | volatile unsigned int eot; /* logical end of track */ | ||
69 | volatile unsigned int known; /* validates bot, segment, sector */ | ||
70 | } location_record; | ||
71 | |||
72 | /* Count nr of 1's in pattern. | ||
73 | */ | ||
74 | static inline int count_ones(unsigned long mask) | ||
75 | { | ||
76 | int bits; | ||
77 | |||
78 | for (bits = 0; mask != 0; mask >>= 1) { | ||
79 | if (mask & 1) { | ||
80 | ++bits; | ||
81 | } | ||
82 | } | ||
83 | return bits; | ||
84 | } | ||
85 | |||
86 | #define FT_MAX_NR_BUFFERS 16 /* arbitrary value */ | ||
87 | /* ftape-rw.c defined global vars. | ||
88 | */ | ||
89 | extern buffer_struct *ft_buffer[FT_MAX_NR_BUFFERS]; | ||
90 | extern int ft_nr_buffers; | ||
91 | extern location_record ft_location; | ||
92 | extern volatile int ftape_tape_running; | ||
93 | |||
94 | /* ftape-rw.c defined global functions. | ||
95 | */ | ||
96 | extern int ftape_setup_new_segment(buffer_struct * buff, | ||
97 | int segment_id, | ||
98 | int offset); | ||
99 | extern int ftape_calc_next_cluster(buffer_struct * buff); | ||
100 | extern buffer_struct *ftape_next_buffer (ft_buffer_queue_t pos); | ||
101 | extern buffer_struct *ftape_get_buffer (ft_buffer_queue_t pos); | ||
102 | extern int ftape_buffer_id (ft_buffer_queue_t pos); | ||
103 | extern void ftape_reset_buffer(void); | ||
104 | extern void ftape_tape_parameters(__u8 drive_configuration); | ||
105 | extern int ftape_wait_segment(buffer_state_enum state); | ||
106 | extern int ftape_dumb_stop(void); | ||
107 | extern int ftape_start_tape(int segment_id, int offset); | ||
108 | extern int ftape_stop_tape(int *pstatus); | ||
109 | extern int ftape_handle_logical_eot(void); | ||
110 | extern buffer_state_enum ftape_set_state(buffer_state_enum new_state); | ||
111 | #endif /* _FTAPE_RW_H */ | ||