aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/block/Kconfig7
-rw-r--r--drivers/block/Makefile1
-rw-r--r--drivers/block/swim_iop.c578
-rw-r--r--include/asm-m68k/swim_iop.h221
4 files changed, 0 insertions, 807 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index ce9cfcb6071c..58c1debf86f1 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -28,13 +28,6 @@ config ATARI_FLOPPY
28 tristate "Atari floppy support" 28 tristate "Atari floppy support"
29 depends on ATARI 29 depends on ATARI
30 30
31config BLK_DEV_SWIM_IOP
32 bool "Macintosh IIfx/Quadra 900/Quadra 950 floppy support (EXPERIMENTAL)"
33 depends on MAC && EXPERIMENTAL && BROKEN
34 help
35 Say Y here to support the SWIM (Super Woz Integrated Machine) IOP
36 floppy controller on the Macintosh IIfx and Quadra 900/950.
37
38config MAC_FLOPPY 31config MAC_FLOPPY
39 tristate "Support for PowerMac floppy" 32 tristate "Support for PowerMac floppy"
40 depends on PPC_PMAC && !PPC_PMAC64 33 depends on PPC_PMAC && !PPC_PMAC64
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index 410f259a8031..dd88e33c1eb1 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -9,7 +9,6 @@ obj-$(CONFIG_MAC_FLOPPY) += swim3.o
9obj-$(CONFIG_BLK_DEV_FD) += floppy.o 9obj-$(CONFIG_BLK_DEV_FD) += floppy.o
10obj-$(CONFIG_AMIGA_FLOPPY) += amiflop.o 10obj-$(CONFIG_AMIGA_FLOPPY) += amiflop.o
11obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o 11obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o
12obj-$(CONFIG_BLK_DEV_SWIM_IOP) += swim_iop.o
13obj-$(CONFIG_ATARI_ACSI) += acsi.o 12obj-$(CONFIG_ATARI_ACSI) += acsi.o
14obj-$(CONFIG_ATARI_SLM) += acsi_slm.o 13obj-$(CONFIG_ATARI_SLM) += acsi_slm.o
15obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o 14obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o
diff --git a/drivers/block/swim_iop.c b/drivers/block/swim_iop.c
deleted file mode 100644
index ed7b06cf3e68..000000000000
--- a/drivers/block/swim_iop.c
+++ /dev/null
@@ -1,578 +0,0 @@
1/*
2 * Driver for the SWIM (Super Woz Integrated Machine) IOP
3 * floppy controller on the Macintosh IIfx and Quadra 900/950
4 *
5 * Written by Joshua M. Thompson (funaho@jurai.org)
6 * based on the SWIM3 driver (c) 1996 by Paul Mackerras.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version
11 * 2 of the License, or (at your option) any later version.
12 *
13 * 1999-06-12 (jmt) - Initial implementation.
14 */
15
16/*
17 * -------------------
18 * Theory of Operation
19 * -------------------
20 *
21 * Since the SWIM IOP is message-driven we implement a simple request queue
22 * system. One outstanding request may be queued at any given time (this is
23 * an IOP limitation); only when that request has completed can a new request
24 * be sent.
25 */
26
27#include <linux/stddef.h>
28#include <linux/kernel.h>
29#include <linux/sched.h>
30#include <linux/timer.h>
31#include <linux/delay.h>
32#include <linux/fd.h>
33#include <linux/ioctl.h>
34#include <linux/blkdev.h>
35#include <asm/io.h>
36#include <asm/uaccess.h>
37#include <asm/mac_iop.h>
38#include <asm/swim_iop.h>
39
40#define DRIVER_VERSION "Version 0.1 (1999-06-12)"
41
42#define MAX_FLOPPIES 4
43
44enum swim_state {
45 idle,
46 available,
47 revalidating,
48 transferring,
49 ejecting
50};
51
52struct floppy_state {
53 enum swim_state state;
54 int drive_num; /* device number */
55 int secpercyl; /* disk geometry information */
56 int secpertrack;
57 int total_secs;
58 int write_prot; /* 1 if write-protected, 0 if not, -1 dunno */
59 int ref_count;
60 struct timer_list timeout;
61 int ejected;
62 struct wait_queue *wait;
63 int wanted;
64 int timeout_pending;
65};
66
67struct swim_iop_req {
68 int sent;
69 int complete;
70 __u8 command[32];
71 struct floppy_state *fs;
72 void (*done)(struct swim_iop_req *);
73};
74
75static struct swim_iop_req *current_req;
76static int floppy_count;
77
78static struct floppy_state floppy_states[MAX_FLOPPIES];
79static DEFINE_SPINLOCK(swim_iop_lock);
80
81#define CURRENT elv_next_request(swim_queue)
82
83static char *drive_names[7] = {
84 "not installed", /* DRV_NONE */
85 "unknown (1)", /* DRV_UNKNOWN */
86 "a 400K drive", /* DRV_400K */
87 "an 800K drive" /* DRV_800K */
88 "unknown (4)", /* ???? */
89 "an FDHD", /* DRV_FDHD */
90 "unknown (6)", /* ???? */
91 "an Apple HD20" /* DRV_HD20 */
92};
93
94int swimiop_init(void);
95static void swimiop_init_request(struct swim_iop_req *);
96static int swimiop_send_request(struct swim_iop_req *);
97static void swimiop_receive(struct iop_msg *);
98static void swimiop_status_update(int, struct swim_drvstatus *);
99static int swimiop_eject(struct floppy_state *fs);
100
101static int floppy_ioctl(struct inode *inode, struct file *filp,
102 unsigned int cmd, unsigned long param);
103static int floppy_open(struct inode *inode, struct file *filp);
104static int floppy_release(struct inode *inode, struct file *filp);
105static int floppy_check_change(struct gendisk *disk);
106static int floppy_revalidate(struct gendisk *disk);
107static int grab_drive(struct floppy_state *fs, enum swim_state state,
108 int interruptible);
109static void release_drive(struct floppy_state *fs);
110static void set_timeout(struct floppy_state *fs, int nticks,
111 void (*proc)(unsigned long));
112static void fd_request_timeout(unsigned long);
113static void do_fd_request(request_queue_t * q);
114static void start_request(struct floppy_state *fs);
115
116static struct block_device_operations floppy_fops = {
117 .open = floppy_open,
118 .release = floppy_release,
119 .ioctl = floppy_ioctl,
120 .media_changed = floppy_check_change,
121 .revalidate_disk= floppy_revalidate,
122};
123
124static struct request_queue *swim_queue;
125/*
126 * SWIM IOP initialization
127 */
128
129int swimiop_init(void)
130{
131 volatile struct swim_iop_req req;
132 struct swimcmd_status *cmd = (struct swimcmd_status *) &req.command[0];
133 struct swim_drvstatus *ds = &cmd->status;
134 struct floppy_state *fs;
135 int i;
136
137 current_req = NULL;
138 floppy_count = 0;
139
140 if (!iop_ism_present)
141 return -ENODEV;
142
143 if (register_blkdev(FLOPPY_MAJOR, "fd"))
144 return -EBUSY;
145
146 swim_queue = blk_init_queue(do_fd_request, &swim_iop_lock);
147 if (!swim_queue) {
148 unregister_blkdev(FLOPPY_MAJOR, "fd");
149 return -ENOMEM;
150 }
151
152 printk("SWIM-IOP: %s by Joshua M. Thompson (funaho@jurai.org)\n",
153 DRIVER_VERSION);
154
155 if (iop_listen(SWIM_IOP, SWIM_CHAN, swimiop_receive, "SWIM") != 0) {
156 printk(KERN_ERR "SWIM-IOP: IOP channel already in use; can't initialize.\n");
157 unregister_blkdev(FLOPPY_MAJOR, "fd");
158 blk_cleanup_queue(swim_queue);
159 return -EBUSY;
160 }
161
162 printk(KERN_ERR "SWIM_IOP: probing for installed drives.\n");
163
164 for (i = 0 ; i < MAX_FLOPPIES ; i++) {
165 memset(&floppy_states[i], 0, sizeof(struct floppy_state));
166 fs = &floppy_states[floppy_count];
167
168 swimiop_init_request(&req);
169 cmd->code = CMD_STATUS;
170 cmd->drive_num = i + 1;
171 if (swimiop_send_request(&req) != 0) continue;
172 while (!req.complete);
173 if (cmd->error != 0) {
174 printk(KERN_ERR "SWIM-IOP: probe on drive %d returned error %d\n", i, (uint) cmd->error);
175 continue;
176 }
177 if (ds->installed != 0x01) continue;
178 printk("SWIM-IOP: drive %d is %s (%s, %s, %s, %s)\n", i,
179 drive_names[ds->info.type],
180 ds->info.external? "ext" : "int",
181 ds->info.scsi? "scsi" : "floppy",
182 ds->info.fixed? "fixed" : "removable",
183 ds->info.secondary? "secondary" : "primary");
184 swimiop_status_update(floppy_count, ds);
185 fs->state = idle;
186
187 init_timer(&fs->timeout);
188 floppy_count++;
189 }
190 printk("SWIM-IOP: detected %d installed drives.\n", floppy_count);
191
192 for (i = 0; i < floppy_count; i++) {
193 struct gendisk *disk = alloc_disk(1);
194 if (!disk)
195 continue;
196 disk->major = FLOPPY_MAJOR;
197 disk->first_minor = i;
198 disk->fops = &floppy_fops;
199 sprintf(disk->disk_name, "fd%d", i);
200 disk->private_data = &floppy_states[i];
201 disk->queue = swim_queue;
202 set_capacity(disk, 2880 * 2);
203 add_disk(disk);
204 }
205
206 return 0;
207}
208
209static void swimiop_init_request(struct swim_iop_req *req)
210{
211 req->sent = 0;
212 req->complete = 0;
213 req->done = NULL;
214}
215
216static int swimiop_send_request(struct swim_iop_req *req)
217{
218 unsigned long flags;
219 int err;
220
221 /* It's doubtful an interrupt routine would try to send */
222 /* a SWIM request, but I'd rather play it safe here. */
223
224 local_irq_save(flags);
225
226 if (current_req != NULL) {
227 local_irq_restore(flags);
228 return -ENOMEM;
229 }
230
231 current_req = req;
232
233 /* Interrupts should be back on for iop_send_message() */
234
235 local_irq_restore(flags);
236
237 err = iop_send_message(SWIM_IOP, SWIM_CHAN, (void *) req,
238 sizeof(req->command), (__u8 *) &req->command[0],
239 swimiop_receive);
240
241 /* No race condition here; we own current_req at this point */
242
243 if (err) {
244 current_req = NULL;
245 } else {
246 req->sent = 1;
247 }
248 return err;
249}
250
251/*
252 * Receive a SWIM message from the IOP.
253 *
254 * This will be called in two cases:
255 *
256 * 1. A message has been successfully sent to the IOP.
257 * 2. An unsolicited message was received from the IOP.
258 */
259
260void swimiop_receive(struct iop_msg *msg)
261{
262 struct swim_iop_req *req;
263 struct swimmsg_status *sm;
264 struct swim_drvstatus *ds;
265
266 req = current_req;
267
268 switch(msg->status) {
269 case IOP_MSGSTATUS_COMPLETE:
270 memcpy(&req->command[0], &msg->reply[0], sizeof(req->command));
271 req->complete = 1;
272 if (req->done) (*req->done)(req);
273 current_req = NULL;
274 break;
275 case IOP_MSGSTATUS_UNSOL:
276 sm = (struct swimmsg_status *) &msg->message[0];
277 ds = &sm->status;
278 swimiop_status_update(sm->drive_num, ds);
279 iop_complete_message(msg);
280 break;
281 }
282}
283
284static void swimiop_status_update(int drive_num, struct swim_drvstatus *ds)
285{
286 struct floppy_state *fs = &floppy_states[drive_num];
287
288 fs->write_prot = (ds->write_prot == 0x80);
289 if ((ds->disk_in_drive != 0x01) && (ds->disk_in_drive != 0x02)) {
290 fs->ejected = 1;
291 } else {
292 fs->ejected = 0;
293 }
294 switch(ds->info.type) {
295 case DRV_400K:
296 fs->secpercyl = 10;
297 fs->secpertrack = 10;
298 fs->total_secs = 800;
299 break;
300 case DRV_800K:
301 fs->secpercyl = 20;
302 fs->secpertrack = 10;
303 fs->total_secs = 1600;
304 break;
305 case DRV_FDHD:
306 fs->secpercyl = 36;
307 fs->secpertrack = 18;
308 fs->total_secs = 2880;
309 break;
310 default:
311 fs->secpercyl = 0;
312 fs->secpertrack = 0;
313 fs->total_secs = 0;
314 break;
315 }
316}
317
318static int swimiop_eject(struct floppy_state *fs)
319{
320 int err, n;
321 struct swim_iop_req req;
322 struct swimcmd_eject *cmd = (struct swimcmd_eject *) &req.command[0];
323
324 err = grab_drive(fs, ejecting, 1);
325 if (err) return err;
326
327 swimiop_init_request(&req);
328 cmd->code = CMD_EJECT;
329 cmd->drive_num = fs->drive_num;
330 err = swimiop_send_request(&req);
331 if (err) {
332 release_drive(fs);
333 return err;
334 }
335 for (n = 2*HZ; n > 0; --n) {
336 if (req.complete) break;
337 if (signal_pending(current)) {
338 err = -EINTR;
339 break;
340 }
341 schedule_timeout_interruptible(1);
342 }
343 release_drive(fs);
344 return cmd->error;
345}
346
347static struct floppy_struct floppy_type =
348 { 2880,18,2,80,0,0x1B,0x00,0xCF,0x6C,NULL }; /* 7 1.44MB 3.5" */
349
350static int floppy_ioctl(struct inode *inode, struct file *filp,
351 unsigned int cmd, unsigned long param)
352{
353 struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
354 int err;
355
356 if ((cmd & 0x80) && !capable(CAP_SYS_ADMIN))
357 return -EPERM;
358
359 switch (cmd) {
360 case FDEJECT:
361 if (fs->ref_count != 1)
362 return -EBUSY;
363 err = swimiop_eject(fs);
364 return err;
365 case FDGETPRM:
366 if (copy_to_user((void *) param, (void *) &floppy_type,
367 sizeof(struct floppy_struct)))
368 return -EFAULT;
369 return 0;
370 }
371 return -ENOTTY;
372}
373
374static int floppy_open(struct inode *inode, struct file *filp)
375{
376 struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
377
378 if (fs->ref_count == -1 || filp->f_flags & O_EXCL)
379 return -EBUSY;
380
381 if ((filp->f_flags & O_NDELAY) == 0 && (filp->f_mode & 3)) {
382 check_disk_change(inode->i_bdev);
383 if (fs->ejected)
384 return -ENXIO;
385 }
386
387 if ((filp->f_mode & 2) && fs->write_prot)
388 return -EROFS;
389
390 if (filp->f_flags & O_EXCL)
391 fs->ref_count = -1;
392 else
393 ++fs->ref_count;
394
395 return 0;
396}
397
398static int floppy_release(struct inode *inode, struct file *filp)
399{
400 struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
401 if (fs->ref_count > 0)
402 fs->ref_count--;
403 return 0;
404}
405
406static int floppy_check_change(struct gendisk *disk)
407{
408 struct floppy_state *fs = disk->private_data;
409 return fs->ejected;
410}
411
412static int floppy_revalidate(struct gendisk *disk)
413{
414 struct floppy_state *fs = disk->private_data;
415 grab_drive(fs, revalidating, 0);
416 /* yadda, yadda */
417 release_drive(fs);
418 return 0;
419}
420
421static void floppy_off(unsigned int nr)
422{
423}
424
425static int grab_drive(struct floppy_state *fs, enum swim_state state,
426 int interruptible)
427{
428 unsigned long flags;
429
430 local_irq_save(flags);
431 if (fs->state != idle) {
432 ++fs->wanted;
433 while (fs->state != available) {
434 if (interruptible && signal_pending(current)) {
435 --fs->wanted;
436 local_irq_restore(flags);
437 return -EINTR;
438 }
439 interruptible_sleep_on(&fs->wait);
440 }
441 --fs->wanted;
442 }
443 fs->state = state;
444 local_irq_restore(flags);
445 return 0;
446}
447
448static void release_drive(struct floppy_state *fs)
449{
450 unsigned long flags;
451
452 local_irq_save(flags);
453 fs->state = idle;
454 start_request(fs);
455 local_irq_restore(flags);
456}
457
458static void set_timeout(struct floppy_state *fs, int nticks,
459 void (*proc)(unsigned long))
460{
461 unsigned long flags;
462
463 local_irq_save(flags);
464 if (fs->timeout_pending)
465 del_timer(&fs->timeout);
466 init_timer(&fs->timeout);
467 fs->timeout.expires = jiffies + nticks;
468 fs->timeout.function = proc;
469 fs->timeout.data = (unsigned long) fs;
470 add_timer(&fs->timeout);
471 fs->timeout_pending = 1;
472 local_irq_restore(flags);
473}
474
475static void do_fd_request(request_queue_t * q)
476{
477 int i;
478
479 for (i = 0 ; i < floppy_count ; i++) {
480 start_request(&floppy_states[i]);
481 }
482}
483
484static void fd_request_complete(struct swim_iop_req *req)
485{
486 struct floppy_state *fs = req->fs;
487 struct swimcmd_rw *cmd = (struct swimcmd_rw *) &req->command[0];
488
489 del_timer(&fs->timeout);
490 fs->timeout_pending = 0;
491 fs->state = idle;
492 if (cmd->error) {
493 printk(KERN_ERR "SWIM-IOP: error %d on read/write request.\n", cmd->error);
494 end_request(CURRENT, 0);
495 } else {
496 CURRENT->sector += cmd->num_blocks;
497 CURRENT->current_nr_sectors -= cmd->num_blocks;
498 if (CURRENT->current_nr_sectors <= 0) {
499 end_request(CURRENT, 1);
500 return;
501 }
502 }
503 start_request(fs);
504}
505
506static void fd_request_timeout(unsigned long data)
507{
508 struct floppy_state *fs = (struct floppy_state *) data;
509
510 fs->timeout_pending = 0;
511 end_request(CURRENT, 0);
512 fs->state = idle;
513}
514
515static void start_request(struct floppy_state *fs)
516{
517 volatile struct swim_iop_req req;
518 struct swimcmd_rw *cmd = (struct swimcmd_rw *) &req.command[0];
519
520 if (fs->state == idle && fs->wanted) {
521 fs->state = available;
522 wake_up(&fs->wait);
523 return;
524 }
525 while (CURRENT && fs->state == idle) {
526 if (CURRENT->bh && !buffer_locked(CURRENT->bh))
527 panic("floppy: block not locked");
528#if 0
529 printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%ld buf=%p\n",
530 CURRENT->rq_disk->disk_name, CURRENT->cmd,
531 CURRENT->sector, CURRENT->nr_sectors, CURRENT->buffer);
532 printk(" errors=%d current_nr_sectors=%ld\n",
533 CURRENT->errors, CURRENT->current_nr_sectors);
534#endif
535
536 if (CURRENT->sector < 0 || CURRENT->sector >= fs->total_secs) {
537 end_request(CURRENT, 0);
538 continue;
539 }
540 if (CURRENT->current_nr_sectors == 0) {
541 end_request(CURRENT, 1);
542 continue;
543 }
544 if (fs->ejected) {
545 end_request(CURRENT, 0);
546 continue;
547 }
548
549 swimiop_init_request(&req);
550 req.fs = fs;
551 req.done = fd_request_complete;
552
553 if (CURRENT->cmd == WRITE) {
554 if (fs->write_prot) {
555 end_request(CURRENT, 0);
556 continue;
557 }
558 cmd->code = CMD_WRITE;
559 } else {
560 cmd->code = CMD_READ;
561
562 }
563 cmd->drive_num = fs->drive_num;
564 cmd->buffer = CURRENT->buffer;
565 cmd->first_block = CURRENT->sector;
566 cmd->num_blocks = CURRENT->current_nr_sectors;
567
568 if (swimiop_send_request(&req)) {
569 end_request(CURRENT, 0);
570 continue;
571 }
572
573 set_timeout(fs, HZ*CURRENT->current_nr_sectors,
574 fd_request_timeout);
575
576 fs->state = transferring;
577 }
578}
diff --git a/include/asm-m68k/swim_iop.h b/include/asm-m68k/swim_iop.h
deleted file mode 100644
index f29b67876b01..000000000000
--- a/include/asm-m68k/swim_iop.h
+++ /dev/null
@@ -1,221 +0,0 @@
1/*
2 * SWIM access through the IOP
3 * Written by Joshua M. Thompson
4 */
5
6/* IOP number and channel number for the SWIM */
7
8#define SWIM_IOP IOP_NUM_ISM
9#define SWIM_CHAN 1
10
11/* Command code: */
12
13#define CMD_INIT 0x01 /* Initialize */
14#define CMD_SHUTDOWN 0x02 /* Shutdown */
15#define CMD_START_POLL 0x03 /* Start insert/eject polling */
16#define CMD_STOP_POLL 0x04 /* Stop insert/eject polling */
17#define CMD_SETHFSTAG 0x05 /* Set HFS tag buffer address */
18#define CMD_STATUS 0x06 /* Status */
19#define CMD_EJECT 0x07 /* Eject */
20#define CMD_FORMAT 0x08 /* Format */
21#define CMD_FORMAT_VERIFY 0x09 /* Format and Verify */
22#define CMD_WRITE 0x0A /* Write */
23#define CMD_READ 0x0B /* Read */
24#define CMD_READ_VERIFY 0x0C /* Read and Verify */
25#define CMD_CACHE_CTRL 0x0D /* Cache control */
26#define CMD_TAGBUFF_CTRL 0x0E /* Tag buffer control */
27#define CMD_GET_ICON 0x0F /* Get Icon */
28
29/* Drive types: */
30
31/* note: apple sez DRV_FDHD is 4, but I get back a type */
32/* of 5 when I do a drive status check on my FDHD */
33
34#define DRV_NONE 0 /* No drive */
35#define DRV_UNKNOWN 1 /* Unspecified drive */
36#define DRV_400K 2 /* 400K */
37#define DRV_800K 3 /* 400K/800K */
38#define DRV_FDHD 5 /* 400K/800K/720K/1440K */
39#define DRV_HD20 7 /* Apple HD20 */
40
41/* Format types: */
42
43#define FMT_HD20 0x0001 /* Apple HD20 */
44#define FMT_400K 0x0002 /* 400K (GCR) */
45#define FMT_800K 0x0004 /* 800K (GCR) */
46#define FMT_720K 0x0008 /* 720K (MFM) */
47#define FMT_1440K 0x0010 /* 1.44M (MFM) */
48
49#define FMD_KIND_400K 1
50#define FMD_KIND_800K 2
51#define FMD_KIND_720K 3
52#define FMD_KIND_1440K 1
53
54/* Icon Flags: */
55
56#define ICON_MEDIA 0x01 /* Have IOP supply media icon */
57#define ICON_DRIVE 0x01 /* Have IOP supply drive icon */
58
59/* Error codes: */
60
61#define gcrOnMFMErr -400 /* GCR (400/800K) on HD media */
62#define verErr -84 /* verify failed */
63#define fmt2Err -83 /* can't get enough sync during format */
64#define fmt1Err -82 /* can't find sector 0 after track format */
65#define sectNFErr -81 /* can't find sector */
66#define seekErr -80 /* drive error during seek */
67#define spdAdjErr -79 /* can't set drive speed */
68#define twoSideErr -78 /* drive is single-sided */
69#define initIWMErr -77 /* error during initialization */
70#define tk0badErr -76 /* track zero is bad */
71#define cantStepErr -75 /* drive error during step */
72#define wrUnderrun -74 /* write underrun occurred */
73#define badDBtSlp -73 /* bad data bitslip marks */
74#define badDCksum -72 /* bad data checksum */
75#define noDtaMkErr -71 /* can't find data mark */
76#define badBtSlpErr -70 /* bad address bitslip marks */
77#define badCksmErr -69 /* bad address-mark checksum */
78#define dataVerErr -68 /* read-verify failed */
79#define noAdrMkErr -67 /* can't find an address mark */
80#define noNybErr -66 /* no nybbles? disk is probably degaussed */
81#define offLinErr -65 /* no disk in drive */
82#define noDriveErr -64 /* drive isn't connected */
83#define nsDrvErr -56 /* no such drive */
84#define paramErr -50 /* bad positioning information */
85#define wPrErr -44 /* write protected */
86#define openErr -23 /* already initialized */
87
88#ifndef __ASSEMBLY__
89
90struct swim_drvstatus {
91 __u16 curr_track; /* Current track number */
92 __u8 write_prot; /* 0x80 if disk is write protected */
93 __u8 disk_in_drive; /* 0x01 or 0x02 if a disk is in the drive */
94 __u8 installed; /* 0x01 if drive installed, 0xFF if not */
95 __u8 num_sides; /* 0x80 if two-sided format supported */
96 __u8 two_sided; /* 0xff if two-sided format diskette */
97 __u8 new_interface; /* 0x00 if old 400K drive, 0xFF if newer */
98 __u16 errors; /* Disk error count */
99 struct { /* 32 bits */
100 __u16 reserved;
101 __u16 :4;
102 __u16 external:1; /* Drive is external */
103 __u16 scsi:1; /* Drive is a SCSI drive */
104 __u16 fixed:1; /* Drive has fixed media */
105 __u16 secondary:1; /* Drive is secondary drive */
106 __u8 type; /* Drive type */
107 } info;
108 __u8 mfm_drive; /* 0xFF if this is an FDHD drive */
109 __u8 mfm_disk; /* 0xFF if 720K/1440K (MFM) disk */
110 __u8 mfm_format; /* 0x00 if 720K, 0xFF if 1440K */
111 __u8 ctlr_type; /* 0x00 if IWM, 0xFF if SWIM */
112 __u16 curr_format; /* Current format type */
113 __u16 allowed_fmt; /* Allowed format types */
114 __u32 num_blocks; /* Number of blocks on disk */
115 __u8 icon_flags; /* Icon flags */
116 __u8 unusued;
117};
118
119/* Commands issued from the host to the IOP: */
120
121struct swimcmd_init {
122 __u8 code; /* CMD_INIT */
123 __u8 unusued;
124 __u16 error;
125 __u8 drives[28]; /* drive type list */
126};
127
128struct swimcmd_startpoll {
129 __u8 code; /* CMD_START_POLL */
130 __u8 unusued;
131 __u16 error;
132};
133
134struct swimcmd_sethfstag {
135 __u8 code; /* CMD_SETHFSTAG */
136 __u8 unusued;
137 __u16 error;
138 caddr_t tagbuf; /* HFS tag buffer address */
139};
140
141struct swimcmd_status {
142 __u8 code; /* CMD_STATUS */
143 __u8 drive_num;
144 __u16 error;
145 struct swim_drvstatus status;
146};
147
148struct swimcmd_eject {
149 __u8 code; /* CMD_EJECT */
150 __u8 drive_num;
151 __u16 error;
152 struct swim_drvstatus status;
153};
154
155struct swimcmd_format {
156 __u8 code; /* CMD_FORMAT */
157 __u8 drive_num;
158 __u16 error;
159 union {
160 struct {
161 __u16 fmt; /* format kind */
162 __u8 hdrbyte; /* fmt byte for hdr (0=default) */
163 __u8 interleave; /* interleave (0 = default) */
164 caddr_t databuf; /* sector data buff (0=default */
165 caddr_t tagbuf; /* tag data buffer (0=default) */
166 } f;
167 struct swim_drvstatus status;
168 } p;
169};
170
171struct swimcmd_fmtverify {
172 __u8 code; /* CMD_FORMAT_VERIFY */
173 __u8 drive_num;
174 __u16 error;
175};
176
177struct swimcmd_rw {
178 __u8 code; /* CMD_READ, CMD_WRITE or CMD_READ_VERIFY */
179 __u8 drive_num;
180 __u16 error;
181 caddr_t buffer; /* R/W buffer address */
182 __u32 first_block; /* Starting block */
183 __u32 num_blocks; /* Number of blocks */
184 __u8 tag[12]; /* tag data */
185};
186
187struct swimcmd_cachectl {
188 __u8 code; /* CMD_CACHE_CTRL */
189 __u8 unused;
190 __u16 error;
191 __u8 enable; /* Nonzero to enable cache */
192 __u8 install; /* +1 = install, -1 = remove, 0 = neither */
193};
194
195struct swimcmd_tagbufctl {
196 __u8 code; /* CMD_TAGBUFF_CTRL */
197 __u8 unused;
198 __u16 error;
199 caddr_t buf; /* buffer address or 0 to disable */
200};
201
202struct swimcmd_geticon {
203 __u8 code; /* CMD_GET_ICON */
204 __u8 drive_num;
205 __u16 error;
206 caddr_t buffer; /* Nuffer address */
207 __u16 kind; /* 0 = media icon, 1 = drive icon */
208 __u16 unused;
209 __u16 max_bytes; /* maximum byte count */
210};
211
212/* Messages from the SWIM IOP to the host CPU: */
213
214struct swimmsg_status {
215 __u8 code; /* 1 = insert, 2 = eject, 3 = status changed */
216 __u8 drive_num;
217 __u16 error;
218 struct swim_drvstatus status;
219};
220
221#endif /* __ASSEMBLY__ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-21 05:00:06 -0500