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-rw-r--r--drivers/char/ftape/lowlevel/fdc-io.h252
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diff --git a/drivers/char/ftape/lowlevel/fdc-io.h b/drivers/char/ftape/lowlevel/fdc-io.h
deleted file mode 100644
index 7ec3c72178bb..000000000000
--- a/drivers/char/ftape/lowlevel/fdc-io.h
+++ /dev/null
@@ -1,252 +0,0 @@
1#ifndef _FDC_IO_H
2#define _FDC_IO_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/fdc-io.h,v $
24 * $Revision: 1.3 $
25 * $Date: 1997/10/05 19:18:06 $
26 *
27 * This file contains the declarations for the low level
28 * functions that communicate with the floppy disk controller,
29 * for the QIC-40/80/3010/3020 floppy-tape driver "ftape" for
30 * Linux.
31 */
32
33#include <linux/fdreg.h>
34
35#include "../lowlevel/ftape-bsm.h"
36
37#define FDC_SK_BIT (0x20)
38#define FDC_MT_BIT (0x80)
39
40#define FDC_READ (FD_READ & ~(FDC_SK_BIT | FDC_MT_BIT))
41#define FDC_WRITE (FD_WRITE & ~FDC_MT_BIT)
42#define FDC_READ_DELETED (0x4c)
43#define FDC_WRITE_DELETED (0x49)
44#define FDC_VERIFY (0x56)
45#define FDC_READID (0x4a)
46#define FDC_SENSED (0x04)
47#define FDC_SENSEI (FD_SENSEI)
48#define FDC_FORMAT (FD_FORMAT)
49#define FDC_RECAL (FD_RECALIBRATE)
50#define FDC_SEEK (FD_SEEK)
51#define FDC_SPECIFY (FD_SPECIFY)
52#define FDC_RECALIBR (FD_RECALIBRATE)
53#define FDC_VERSION (FD_VERSION)
54#define FDC_PERPEND (FD_PERPENDICULAR)
55#define FDC_DUMPREGS (FD_DUMPREGS)
56#define FDC_LOCK (FD_LOCK)
57#define FDC_UNLOCK (FD_UNLOCK)
58#define FDC_CONFIGURE (FD_CONFIGURE)
59#define FDC_DRIVE_SPEC (0x8e) /* i82078 has this (any others?) */
60#define FDC_PARTID (0x18) /* i82078 has this */
61#define FDC_SAVE (0x2e) /* i82078 has this (any others?) */
62#define FDC_RESTORE (0x4e) /* i82078 has this (any others?) */
63
64#define FDC_STATUS_MASK (STATUS_BUSY | STATUS_DMA | STATUS_DIR | STATUS_READY)
65#define FDC_DATA_READY (STATUS_READY)
66#define FDC_DATA_OUTPUT (STATUS_DIR)
67#define FDC_DATA_READY_MASK (STATUS_READY | STATUS_DIR)
68#define FDC_DATA_OUT_READY (STATUS_READY | STATUS_DIR)
69#define FDC_DATA_IN_READY (STATUS_READY)
70#define FDC_BUSY (STATUS_BUSY)
71#define FDC_CLK48_BIT (0x80)
72#define FDC_SEL3V_BIT (0x40)
73
74#define ST0_INT_MASK (ST0_INTR)
75#define FDC_INT_NORMAL (ST0_INTR & 0x00)
76#define FDC_INT_ABNORMAL (ST0_INTR & 0x40)
77#define FDC_INT_INVALID (ST0_INTR & 0x80)
78#define FDC_INT_READYCH (ST0_INTR & 0xC0)
79#define ST0_SEEK_END (ST0_SE)
80#define ST3_TRACK_0 (ST3_TZ)
81
82#define FDC_RESET_NOT (0x04)
83#define FDC_DMA_MODE (0x08)
84#define FDC_MOTOR_0 (0x10)
85#define FDC_MOTOR_1 (0x20)
86
87typedef struct {
88 void (**hook) (void); /* our wedge into the isr */
89 enum {
90 no_fdc, i8272, i82077, i82077AA, fc10,
91 i82078, i82078_1
92 } type; /* FDC type */
93 unsigned int irq; /* FDC irq nr */
94 unsigned int dma; /* FDC dma channel nr */
95 __u16 sra; /* Status register A (PS/2 only) */
96 __u16 srb; /* Status register B (PS/2 only) */
97 __u16 dor; /* Digital output register */
98 __u16 tdr; /* Tape Drive Register (82077SL-1 &
99 82078 only) */
100 __u16 msr; /* Main Status Register */
101 __u16 dsr; /* Datarate Select Register (8207x only) */
102 __u16 fifo; /* Data register / Fifo on 8207x */
103 __u16 dir; /* Digital Input Register */
104 __u16 ccr; /* Configuration Control Register */
105 __u16 dor2; /* Alternate dor on MACH-2 controller,
106 also used with FC-10, meaning unknown */
107} fdc_config_info;
108
109typedef enum {
110 fdc_data_rate_250 = 2,
111 fdc_data_rate_300 = 1, /* any fdc in default configuration */
112 fdc_data_rate_500 = 0,
113 fdc_data_rate_1000 = 3,
114 fdc_data_rate_2000 = 1, /* i82078-1: when using Data Rate Table #2 */
115} fdc_data_rate_type;
116
117typedef enum {
118 fdc_idle = 0,
119 fdc_reading_data = FDC_READ,
120 fdc_seeking = FDC_SEEK,
121 fdc_writing_data = FDC_WRITE,
122 fdc_deleting = FDC_WRITE_DELETED,
123 fdc_reading_id = FDC_READID,
124 fdc_recalibrating = FDC_RECAL,
125 fdc_formatting = FDC_FORMAT,
126 fdc_verifying = FDC_VERIFY
127} fdc_mode_enum;
128
129typedef enum {
130 waiting = 0,
131 reading,
132 writing,
133 formatting,
134 verifying,
135 deleting,
136 done,
137 error,
138 mmapped,
139} buffer_state_enum;
140
141typedef struct {
142 __u8 *address;
143 volatile buffer_state_enum status;
144 volatile __u8 *ptr;
145 volatile unsigned int bytes;
146 volatile unsigned int segment_id;
147
148 /* bitmap for remainder of segment not yet handled.
149 * one bit set for each bad sector that must be skipped.
150 */
151 volatile SectorMap bad_sector_map;
152
153 /* bitmap with bad data blocks in data buffer.
154 * the errors in this map may be retried.
155 */
156 volatile SectorMap soft_error_map;
157
158 /* bitmap with bad data blocks in data buffer
159 * the errors in this map may not be retried.
160 */
161 volatile SectorMap hard_error_map;
162
163 /* retry counter for soft errors.
164 */
165 volatile int retry;
166
167 /* sectors to skip on retry ???
168 */
169 volatile unsigned int skip;
170
171 /* nr of data blocks in data buffer
172 */
173 volatile unsigned int data_offset;
174
175 /* offset in segment for first sector to be handled.
176 */
177 volatile unsigned int sector_offset;
178
179 /* size of cluster of good sectors to be handled.
180 */
181 volatile unsigned int sector_count;
182
183 /* size of remaining part of segment to be handled.
184 */
185 volatile unsigned int remaining;
186
187 /* points to next segment (contiguous) to be handled,
188 * or is zero if no read-ahead is allowed.
189 */
190 volatile unsigned int next_segment;
191
192 /* flag being set if deleted data was read.
193 */
194 volatile int deleted;
195
196 /* floppy coordinates of first sector in segment */
197 volatile __u8 head;
198 volatile __u8 cyl;
199 volatile __u8 sect;
200
201 /* gap to use when formatting */
202 __u8 gap3;
203 /* flag set when buffer is mmaped */
204 int mmapped;
205} buffer_struct;
206
207/*
208 * fdc-io.c defined public variables
209 */
210extern volatile fdc_mode_enum fdc_mode;
211extern int fdc_setup_error; /* outdated ??? */
212extern wait_queue_head_t ftape_wait_intr;
213extern volatile int ftape_current_cylinder; /* track nr FDC thinks we're on */
214extern volatile __u8 fdc_head; /* FDC head */
215extern volatile __u8 fdc_cyl; /* FDC track */
216extern volatile __u8 fdc_sect; /* FDC sector */
217extern fdc_config_info fdc; /* FDC hardware configuration */
218
219extern unsigned int ft_fdc_base;
220extern unsigned int ft_fdc_irq;
221extern unsigned int ft_fdc_dma;
222extern unsigned int ft_fdc_threshold;
223extern unsigned int ft_fdc_rate_limit;
224extern int ft_probe_fc10;
225extern int ft_mach2;
226/*
227 * fdc-io.c defined public functions
228 */
229extern void fdc_catch_stray_interrupts(int count);
230extern int fdc_ready_wait(unsigned int timeout);
231extern int fdc_command(const __u8 * cmd_data, int cmd_len);
232extern int fdc_result(__u8 * res_data, int res_len);
233extern int fdc_interrupt_wait(unsigned int time);
234extern int fdc_seek(int track);
235extern int fdc_sense_drive_status(int *st3);
236extern void fdc_motor(int motor);
237extern void fdc_reset(void);
238extern void fdc_disable(void);
239extern int fdc_fifo_threshold(__u8 threshold,
240 int *fifo_state, int *lock_state, int *fifo_thr);
241extern void fdc_wait_calibrate(void);
242extern int fdc_sense_interrupt_status(int *st0, int *current_cylinder);
243extern void fdc_save_drive_specs(void);
244extern void fdc_restore_drive_specs(void);
245extern int fdc_set_data_rate(int rate);
246extern void fdc_set_write_precomp(int precomp);
247extern int fdc_release_irq_and_dma(void);
248extern void fdc_release_regions(void);
249extern int fdc_init(void);
250extern int fdc_setup_read_write(buffer_struct * buff, __u8 operation);
251extern int fdc_setup_formatting(buffer_struct * buff);
252#endif
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