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-rw-r--r--drivers/char/isicom.c1365
1 files changed, 682 insertions, 683 deletions
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 86033bed5d6c..761c5622b7af 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -20,7 +20,7 @@
20 * 3/9/99 sameer Added support for ISI4616 cards. 20 * 3/9/99 sameer Added support for ISI4616 cards.
21 * 21 *
22 * 16/9/99 sameer We do not force RTS low anymore. 22 * 16/9/99 sameer We do not force RTS low anymore.
23 * This is to prevent the firmware 23 * This is to prevent the firmware
24 * from getting confused. 24 * from getting confused.
25 * 25 *
26 * 26/10/99 sameer Cosmetic changes:The driver now 26 * 26/10/99 sameer Cosmetic changes:The driver now
@@ -31,28 +31,28 @@
31 * 31 *
32 * 10/5/00 sameer Fixed isicom_shutdown_board() 32 * 10/5/00 sameer Fixed isicom_shutdown_board()
33 * to not lower DTR on all the ports 33 * to not lower DTR on all the ports
34 * when the last port on the card is 34 * when the last port on the card is
35 * closed. 35 * closed.
36 * 36 *
37 * 10/5/00 sameer Signal mask setup command added 37 * 10/5/00 sameer Signal mask setup command added
38 * to isicom_setup_port and 38 * to isicom_setup_port and
39 * isicom_shutdown_port. 39 * isicom_shutdown_port.
40 * 40 *
41 * 24/5/00 sameer The driver is now SMP aware. 41 * 24/5/00 sameer The driver is now SMP aware.
42 * 42 *
43 * 43 *
44 * 27/11/00 Vinayak P Risbud Fixed the Driver Crash Problem 44 * 27/11/00 Vinayak P Risbud Fixed the Driver Crash Problem
45 * 45 *
46 * 46 *
47 * 03/01/01 anil .s Added support for resetting the 47 * 03/01/01 anil .s Added support for resetting the
48 * internal modems on ISI cards. 48 * internal modems on ISI cards.
49 * 49 *
50 * 08/02/01 anil .s Upgraded the driver for kernel 50 * 08/02/01 anil .s Upgraded the driver for kernel
51 * 2.4.x 51 * 2.4.x
52 * 52 *
53 * 11/04/01 Kevin Fixed firmware load problem with 53 * 11/04/01 Kevin Fixed firmware load problem with
54 * ISIHP-4X card 54 * ISIHP-4X card
55 * 55 *
56 * 30/04/01 anil .s Fixed the remote login through 56 * 30/04/01 anil .s Fixed the remote login through
57 * ISI port problem. Now the link 57 * ISI port problem. Now the link
58 * does not go down before password 58 * does not go down before password
@@ -62,9 +62,9 @@
62 * among ISI-PCI cards. 62 * among ISI-PCI cards.
63 * 63 *
64 * 03/05/01 anil .s Added support to display the version 64 * 03/05/01 anil .s Added support to display the version
65 * info during insmod as well as module 65 * info during insmod as well as module
66 * listing by lsmod. 66 * listing by lsmod.
67 * 67 *
68 * 10/05/01 anil .s Done the modifications to the source 68 * 10/05/01 anil .s Done the modifications to the source
69 * file and Install script so that the 69 * file and Install script so that the
70 * same installation can be used for 70 * same installation can be used for
@@ -73,19 +73,19 @@
73 * 06/06/01 anil .s Now we drop both dtr and rts during 73 * 06/06/01 anil .s Now we drop both dtr and rts during
74 * shutdown_port as well as raise them 74 * shutdown_port as well as raise them
75 * during isicom_config_port. 75 * during isicom_config_port.
76 * 76 *
77 * 09/06/01 acme@conectiva.com.br use capable, not suser, do 77 * 09/06/01 acme@conectiva.com.br use capable, not suser, do
78 * restore_flags on failure in 78 * restore_flags on failure in
79 * isicom_send_break, verify put_user 79 * isicom_send_break, verify put_user
80 * result 80 * result
81 * 81 *
82 * 11/02/03 ranjeeth Added support for 230 Kbps and 460 Kbps 82 * 11/02/03 ranjeeth Added support for 230 Kbps and 460 Kbps
83 * Baud index extended to 21 83 * Baud index extended to 21
84 * 84 *
85 * 20/03/03 ranjeeth Made to work for Linux Advanced server. 85 * 20/03/03 ranjeeth Made to work for Linux Advanced server.
86 * Taken care of license warning. 86 * Taken care of license warning.
87 * 87 *
88 * 10/12/03 Ravindra Made to work for Fedora Core 1 of 88 * 10/12/03 Ravindra Made to work for Fedora Core 1 of
89 * Red Hat Distribution 89 * Red Hat Distribution
90 * 90 *
91 * 06/01/05 Alan Cox Merged the ISI and base kernel strands 91 * 06/01/05 Alan Cox Merged the ISI and base kernel strands
@@ -93,10 +93,10 @@
93 * 93 *
94 * *********************************************************** 94 * ***********************************************************
95 * 95 *
96 * To use this driver you also need the support package. You 96 * To use this driver you also need the support package. You
97 * can find this in RPM format on 97 * can find this in RPM format on
98 * ftp://ftp.linux.org.uk/pub/linux/alan 98 * ftp://ftp.linux.org.uk/pub/linux/alan
99 * 99 *
100 * You can find the original tools for this direct from Multitech 100 * You can find the original tools for this direct from Multitech
101 * ftp://ftp.multitech.com/ISI-Cards/ 101 * ftp://ftp.multitech.com/ISI-Cards/
102 * 102 *
@@ -161,16 +161,15 @@ static unsigned long tx_count = 0;
161static int ISILoad_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); 161static int ISILoad_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
162 162
163static void isicom_tx(unsigned long _data); 163static void isicom_tx(unsigned long _data);
164static void isicom_start(struct tty_struct * tty); 164static void isicom_start(struct tty_struct *tty);
165 165
166static unsigned char * tmp_buf; 166static unsigned char *tmp_buf;
167static DECLARE_MUTEX(tmp_buf_sem); 167static DECLARE_MUTEX(tmp_buf_sem);
168 168
169/* baud index mappings from linux defns to isi */ 169/* baud index mappings from linux defns to isi */
170 170
171static signed char linuxb_to_isib[] = { 171static signed char linuxb_to_isib[] = {
172 -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 16, 17, 172 -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 16, 17, 18, 19
173 18, 19
174}; 173};
175 174
176struct isi_board { 175struct isi_board {
@@ -216,7 +215,7 @@ static struct isi_port isi_ports[PORT_COUNT];
216 * the kernel lock for the card and have the card in a position that 215 * the kernel lock for the card and have the card in a position that
217 * it wants to talk. 216 * it wants to talk.
218 */ 217 */
219 218
220static int lock_card(struct isi_board *card) 219static int lock_card(struct isi_board *card)
221{ 220{
222 char retries; 221 char retries;
@@ -225,7 +224,7 @@ static int lock_card(struct isi_board *card)
225 for (retries = 0; retries < 100; retries++) { 224 for (retries = 0; retries < 100; retries++) {
226 spin_lock_irqsave(&card->card_lock, card->flags); 225 spin_lock_irqsave(&card->card_lock, card->flags);
227 if (inw(base + 0xe) & 0x1) { 226 if (inw(base + 0xe) & 0x1) {
228 return 1; 227 return 1;
229 } else { 228 } else {
230 spin_unlock_irqrestore(&card->card_lock, card->flags); 229 spin_unlock_irqrestore(&card->card_lock, card->flags);
231 udelay(1000); /* 1ms */ 230 udelay(1000); /* 1ms */
@@ -244,7 +243,7 @@ static int lock_card_at_interrupt(struct isi_board *card)
244 spin_lock_irqsave(&card->card_lock, card->flags); 243 spin_lock_irqsave(&card->card_lock, card->flags);
245 244
246 if (inw(base + 0xe) & 0x1) 245 if (inw(base + 0xe) & 0x1)
247 return 1; 246 return 1;
248 else 247 else
249 spin_unlock_irqrestore(&card->card_lock, card->flags); 248 spin_unlock_irqrestore(&card->card_lock, card->flags);
250 } 249 }
@@ -260,119 +259,119 @@ static void unlock_card(struct isi_board *card)
260/* 259/*
261 * ISI Card specific ops ... 260 * ISI Card specific ops ...
262 */ 261 */
263 262
264static void raise_dtr(struct isi_port * port) 263static void raise_dtr(struct isi_port *port)
265{ 264{
266 struct isi_board * card = port->card; 265 struct isi_board *card = port->card;
267 unsigned short base = card->base; 266 unsigned short base = card->base;
268 unsigned char channel = port->channel; 267 unsigned char channel = port->channel;
269 268
270 if (!lock_card(card)) 269 if (!lock_card(card))
271 return; 270 return;
272 271
273 outw(0x8000 | (channel << card->shift_count) | 0x02 , base); 272 outw(0x8000 | (channel << card->shift_count) | 0x02, base);
274 outw(0x0504, base); 273 outw(0x0504, base);
275 InterruptTheCard(base); 274 InterruptTheCard(base);
276 port->status |= ISI_DTR; 275 port->status |= ISI_DTR;
277 unlock_card(card); 276 unlock_card(card);
278} 277}
279 278
280static inline void drop_dtr(struct isi_port * port) 279static inline void drop_dtr(struct isi_port *port)
281{ 280{
282 struct isi_board * card = port->card; 281 struct isi_board *card = port->card;
283 unsigned short base = card->base; 282 unsigned short base = card->base;
284 unsigned char channel = port->channel; 283 unsigned char channel = port->channel;
285 284
286 if (!lock_card(card)) 285 if (!lock_card(card))
287 return; 286 return;
288 287
289 outw(0x8000 | (channel << card->shift_count) | 0x02 , base); 288 outw(0x8000 | (channel << card->shift_count) | 0x02, base);
290 outw(0x0404, base); 289 outw(0x0404, base);
291 InterruptTheCard(base); 290 InterruptTheCard(base);
292 port->status &= ~ISI_DTR; 291 port->status &= ~ISI_DTR;
293 unlock_card(card); 292 unlock_card(card);
294} 293}
295 294
296static inline void raise_rts(struct isi_port * port) 295static inline void raise_rts(struct isi_port *port)
297{ 296{
298 struct isi_board * card = port->card; 297 struct isi_board *card = port->card;
299 unsigned short base = card->base; 298 unsigned short base = card->base;
300 unsigned char channel = port->channel; 299 unsigned char channel = port->channel;
301 300
302 if (!lock_card(card)) 301 if (!lock_card(card))
303 return; 302 return;
304 303
305 outw(0x8000 | (channel << card->shift_count) | 0x02 , base); 304 outw(0x8000 | (channel << card->shift_count) | 0x02, base);
306 outw(0x0a04, base); 305 outw(0x0a04, base);
307 InterruptTheCard(base); 306 InterruptTheCard(base);
308 port->status |= ISI_RTS; 307 port->status |= ISI_RTS;
309 unlock_card(card); 308 unlock_card(card);
310} 309}
311static inline void drop_rts(struct isi_port * port) 310static inline void drop_rts(struct isi_port *port)
312{ 311{
313 struct isi_board * card = port->card; 312 struct isi_board *card = port->card;
314 unsigned short base = card->base; 313 unsigned short base = card->base;
315 unsigned char channel = port->channel; 314 unsigned char channel = port->channel;
316 315
317 if (!lock_card(card)) 316 if (!lock_card(card))
318 return; 317 return;
319 318
320 outw(0x8000 | (channel << card->shift_count) | 0x02 , base); 319 outw(0x8000 | (channel << card->shift_count) | 0x02, base);
321 outw(0x0804, base); 320 outw(0x0804, base);
322 InterruptTheCard(base); 321 InterruptTheCard(base);
323 port->status &= ~ISI_RTS; 322 port->status &= ~ISI_RTS;
324 unlock_card(card); 323 unlock_card(card);
325} 324}
326 325
327static inline void raise_dtr_rts(struct isi_port * port) 326static inline void raise_dtr_rts(struct isi_port *port)
328{ 327{
329 struct isi_board * card = port->card; 328 struct isi_board *card = port->card;
330 unsigned short base = card->base; 329 unsigned short base = card->base;
331 unsigned char channel = port->channel; 330 unsigned char channel = port->channel;
332 331
333 if (!lock_card(card)) 332 if (!lock_card(card))
334 return; 333 return;
335 334
336 outw(0x8000 | (channel << card->shift_count) | 0x02 , base); 335 outw(0x8000 | (channel << card->shift_count) | 0x02, base);
337 outw(0x0f04, base); 336 outw(0x0f04, base);
338 InterruptTheCard(base); 337 InterruptTheCard(base);
339 port->status |= (ISI_DTR | ISI_RTS); 338 port->status |= (ISI_DTR | ISI_RTS);
340 unlock_card(card); 339 unlock_card(card);
341} 340}
342 341
343static void drop_dtr_rts(struct isi_port * port) 342static void drop_dtr_rts(struct isi_port *port)
344{ 343{
345 struct isi_board * card = port->card; 344 struct isi_board *card = port->card;
346 unsigned short base = card->base; 345 unsigned short base = card->base;
347 unsigned char channel = port->channel; 346 unsigned char channel = port->channel;
348 347
349 if (!lock_card(card)) 348 if (!lock_card(card))
350 return; 349 return;
351 350
352 outw(0x8000 | (channel << card->shift_count) | 0x02 , base); 351 outw(0x8000 | (channel << card->shift_count) | 0x02, base);
353 outw(0x0c04, base); 352 outw(0x0c04, base);
354 InterruptTheCard(base); 353 InterruptTheCard(base);
355 port->status &= ~(ISI_RTS | ISI_DTR); 354 port->status &= ~(ISI_RTS | ISI_DTR);
356 unlock_card(card); 355 unlock_card(card);
357} 356}
358 357
359static inline void kill_queue(struct isi_port * port, short queue) 358static inline void kill_queue(struct isi_port *port, short queue)
360{ 359{
361 struct isi_board * card = port->card; 360 struct isi_board *card = port->card;
362 unsigned short base = card->base; 361 unsigned short base = card->base;
363 unsigned char channel = port->channel; 362 unsigned char channel = port->channel;
364 363
365 if (!lock_card(card)) 364 if (!lock_card(card))
366 return; 365 return;
367 366
368 outw(0x8000 | (channel << card->shift_count) | 0x02 , base); 367 outw(0x8000 | (channel << card->shift_count) | 0x02, base);
369 outw((queue << 8) | 0x06, base); 368 outw((queue << 8) | 0x06, base);
370 InterruptTheCard(base); 369 InterruptTheCard(base);
371 unlock_card(card); 370 unlock_card(card);
372} 371}
373 372
374 373
375/* 374/*
376 * Firmware loader driver specific routines. This needs to mostly die 375 * Firmware loader driver specific routines. This needs to mostly die
377 * and be replaced with request_firmware. 376 * and be replaced with request_firmware.
378 */ 377 */
@@ -386,19 +385,19 @@ static struct miscdevice isiloader_device = {
386 ISILOAD_MISC_MINOR, "isictl", &ISILoad_fops 385 ISILOAD_MISC_MINOR, "isictl", &ISILoad_fops
387}; 386};
388 387
389 388
390static inline int WaitTillCardIsFree(unsigned short base) 389static inline int WaitTillCardIsFree(unsigned short base)
391{ 390{
392 unsigned long count=0; 391 unsigned long count=0;
393 while( (!(inw(base+0xe) & 0x1)) && (count++ < 6000000)); 392 while( (!(inw(base+0xe) & 0x1)) && (count++ < 6000000));
394 if (inw(base+0xe)&0x1) 393 if (inw(base+0xe)&0x1)
395 return 0; 394 return 0;
396 else 395 else
397 return 1; 396 return 1;
398} 397}
399 398
400static int ISILoad_ioctl(struct inode *inode, struct file *filp, 399static int ISILoad_ioctl(struct inode *inode, struct file *filp,
401 unsigned int cmd, unsigned long arg) 400 unsigned int cmd, unsigned long arg)
402{ 401{
403 unsigned int card, i, j, signature, status, portcount = 0; 402 unsigned int card, i, j, signature, status, portcount = 0;
404 unsigned long t; 403 unsigned long t;
@@ -406,213 +405,211 @@ static int ISILoad_ioctl(struct inode *inode, struct file *filp,
406 bin_frame frame; 405 bin_frame frame;
407 void __user *argp = (void __user *)arg; 406 void __user *argp = (void __user *)arg;
408 /* exec_record exec_rec; */ 407 /* exec_record exec_rec; */
409 408
410 if(get_user(card, (int __user *)argp)) 409 if (get_user(card, (int __user *)argp))
411 return -EFAULT; 410 return -EFAULT;
412 411
413 if(card < 0 || card >= BOARD_COUNT) 412 if (card < 0 || card >= BOARD_COUNT)
414 return -ENXIO; 413 return -ENXIO;
415 414
416 base=isi_card[card].base; 415 base=isi_card[card].base;
417 416
418 if(base==0) 417 if (base==0)
419 return -ENXIO; /* disabled or not used */ 418 return -ENXIO; /* disabled or not used */
420 419
421 switch(cmd) { 420 switch(cmd) {
422 case MIOCTL_RESET_CARD: 421 case MIOCTL_RESET_CARD:
423 if (!capable(CAP_SYS_ADMIN)) 422 if (!capable(CAP_SYS_ADMIN))
424 return -EPERM; 423 return -EPERM;
425 printk(KERN_DEBUG "ISILoad:Resetting Card%d at 0x%x ",card+1,base); 424 printk(KERN_DEBUG "ISILoad:Resetting Card%d at 0x%x ",card+1,base);
426 425
427 inw(base+0x8); 426 inw(base+0x8);
428 427
429 for(t=jiffies+HZ/100;time_before(jiffies, t);); 428 for (t=jiffies+HZ/100;time_before(jiffies, t););
430 429
431 outw(0,base+0x8); /* Reset */ 430 outw(0,base+0x8); /* Reset */
432 431
433 for(j=1;j<=3;j++) { 432 for (j=1;j<=3;j++) {
434 for(t=jiffies+HZ;time_before(jiffies, t);); 433 for (t=jiffies+HZ;time_before(jiffies, t););
435 printk("."); 434 printk(".");
436 } 435 }
437 signature=(inw(base+0x4)) & 0xff; 436 signature=(inw(base+0x4)) & 0xff;
438 if (isi_card[card].isa) { 437 if (isi_card[card].isa) {
439 438
440 if (!(inw(base+0xe) & 0x1) || (inw(base+0x2))) { 439 if (!(inw(base+0xe) & 0x1) || (inw(base+0x2))) {
441#ifdef ISICOM_DEBUG
442 printk("\nbase+0x2=0x%x , base+0xe=0x%x",inw(base+0x2),inw(base+0xe));
443#endif
444 printk("\nISILoad:ISA Card%d reset failure (Possible bad I/O Port Address 0x%x).\n",card+1,base);
445 return -EIO;
446 }
447 }
448 else {
449 portcount = inw(base+0x2);
450 if (!(inw(base+0xe) & 0x1) || ((portcount!=0) && (portcount!=4) && (portcount!=8))) {
451#ifdef ISICOM_DEBUG 440#ifdef ISICOM_DEBUG
452 printk("\nbase+0x2=0x%x , base+0xe=0x%x",inw(base+0x2),inw(base+0xe)); 441 printk("\nbase+0x2=0x%x , base+0xe=0x%x",inw(base+0x2),inw(base+0xe));
453#endif 442#endif
454 printk("\nISILoad:PCI Card%d reset failure (Possible bad I/O Port Address 0x%x).\n",card+1,base); 443 printk("\nISILoad:ISA Card%d reset failure (Possible bad I/O Port Address 0x%x).\n",card+1,base);
455 return -EIO; 444 return -EIO;
456 } 445 }
457 } 446 }
458 switch(signature) { 447 else {
459 case 0xa5: 448 portcount = inw(base+0x2);
460 case 0xbb: 449 if (!(inw(base+0xe) & 0x1) || ((portcount!=0) && (portcount!=4) && (portcount!=8))) {
461 case 0xdd: 450#ifdef ISICOM_DEBUG
462 if (isi_card[card].isa) 451 printk("\nbase+0x2=0x%x , base+0xe=0x%x",inw(base+0x2),inw(base+0xe));
463 isi_card[card].port_count = 8; 452#endif
464 else { 453 printk("\nISILoad:PCI Card%d reset failure (Possible bad I/O Port Address 0x%x).\n",card+1,base);
465 if (portcount == 4) 454 return -EIO;
466 isi_card[card].port_count = 4;
467 else
468 isi_card[card].port_count = 8;
469 }
470 isi_card[card].shift_count = 12;
471 break;
472
473 case 0xcc: isi_card[card].port_count = 16;
474 isi_card[card].shift_count = 11;
475 break;
476
477 default: printk("ISILoad:Card%d reset failure (Possible bad I/O Port Address 0x%x).\n",card+1,base);
478#ifdef ISICOM_DEBUG
479 printk("Sig=0x%x\n",signature);
480#endif
481 return -EIO;
482 } 455 }
483 printk("-Done\n"); 456 }
484 return put_user(signature,(unsigned __user *)argp); 457 switch(signature) {
485 458 case 0xa5:
459 case 0xbb:
460 case 0xdd:
461 if (isi_card[card].isa)
462 isi_card[card].port_count = 8;
463 else {
464 if (portcount == 4)
465 isi_card[card].port_count = 4;
466 else
467 isi_card[card].port_count = 8;
468 }
469 isi_card[card].shift_count = 12;
470 break;
471
472 case 0xcc: isi_card[card].port_count = 16;
473 isi_card[card].shift_count = 11;
474 break;
475
476 default: printk("ISILoad:Card%d reset failure (Possible bad I/O Port Address 0x%x).\n",card+1,base);
477#ifdef ISICOM_DEBUG
478 printk("Sig=0x%x\n",signature);
479#endif
480 return -EIO;
481 }
482 printk("-Done\n");
483 return put_user(signature,(unsigned __user *)argp);
484
486 case MIOCTL_LOAD_FIRMWARE: 485 case MIOCTL_LOAD_FIRMWARE:
487 if (!capable(CAP_SYS_ADMIN)) 486 if (!capable(CAP_SYS_ADMIN))
488 return -EPERM; 487 return -EPERM;
489 488
490 if(copy_from_user(&frame, argp, sizeof(bin_frame))) 489 if (copy_from_user(&frame, argp, sizeof(bin_frame)))
491 return -EFAULT; 490 return -EFAULT;
492 491
493 if (WaitTillCardIsFree(base)) 492 if (WaitTillCardIsFree(base))
494 return -EIO; 493 return -EIO;
495 494
496 outw(0xf0,base); /* start upload sequence */ 495 outw(0xf0,base); /* start upload sequence */
497 outw(0x00,base); 496 outw(0x00,base);
498 outw((frame.addr), base);/* lsb of adderess */ 497 outw((frame.addr), base); /* lsb of adderess */
499 498
500 word_count=(frame.count >> 1) + frame.count % 2; 499 word_count=(frame.count >> 1) + frame.count % 2;
501 outw(word_count, base); 500 outw(word_count, base);
502 InterruptTheCard(base); 501 InterruptTheCard(base);
503 502
504 for(i=0;i<=0x2f;i++); /* a wee bit of delay */ 503 for (i=0;i<=0x2f;i++); /* a wee bit of delay */
505 504
506 if (WaitTillCardIsFree(base)) 505 if (WaitTillCardIsFree(base))
507 return -EIO; 506 return -EIO;
508 507
509 if ((status=inw(base+0x4))!=0) { 508 if ((status=inw(base+0x4))!=0) {
510 printk(KERN_WARNING "ISILoad:Card%d rejected load header:\nAddress:0x%x \nCount:0x%x \nStatus:0x%x \n", 509 printk(KERN_WARNING "ISILoad:Card%d rejected load header:\nAddress:0x%x \nCount:0x%x \nStatus:0x%x \n",
511 card+1, frame.addr, frame.count, status); 510 card+1, frame.addr, frame.count, status);
512 return -EIO; 511 return -EIO;
513 } 512 }
514 outsw(base, (void *) frame.bin_data, word_count); 513 outsw(base, (void *) frame.bin_data, word_count);
515 514
516 InterruptTheCard(base); 515 InterruptTheCard(base);
517 516
518 for(i=0;i<=0x0f;i++); /* another wee bit of delay */ 517 for (i=0;i<=0x0f;i++); /* another wee bit of delay */
519 518
520 if (WaitTillCardIsFree(base)) 519 if (WaitTillCardIsFree(base))
521 return -EIO; 520 return -EIO;
522 521
523 if ((status=inw(base+0x4))!=0) { 522 if ((status=inw(base+0x4))!=0) {
524 printk(KERN_ERR "ISILoad:Card%d got out of sync.Card Status:0x%x\n",card+1, status); 523 printk(KERN_ERR "ISILoad:Card%d got out of sync.Card Status:0x%x\n",card+1, status);
525 return -EIO; 524 return -EIO;
526 } 525 }
527 return 0; 526 return 0;
528 527
529 case MIOCTL_READ_FIRMWARE: 528 case MIOCTL_READ_FIRMWARE:
530 if (!capable(CAP_SYS_ADMIN)) 529 if (!capable(CAP_SYS_ADMIN))
531 return -EPERM; 530 return -EPERM;
532 531
533 if(copy_from_user(&frame, argp, sizeof(bin_header))) 532 if (copy_from_user(&frame, argp, sizeof(bin_header)))
534 return -EFAULT; 533 return -EFAULT;
535 534
536 if (WaitTillCardIsFree(base)) 535 if (WaitTillCardIsFree(base))
537 return -EIO; 536 return -EIO;
538 537
539 outw(0xf1,base); /* start download sequence */ 538 outw(0xf1,base); /* start download sequence */
540 outw(0x00,base); 539 outw(0x00,base);
541 outw((frame.addr), base);/* lsb of adderess */ 540 outw((frame.addr), base); /* lsb of adderess */
542 541
543 word_count=(frame.count >> 1) + frame.count % 2; 542 word_count=(frame.count >> 1) + frame.count % 2;
544 outw(word_count+1, base); 543 outw(word_count+1, base);
545 InterruptTheCard(base); 544 InterruptTheCard(base);
546 545
547 for(i=0;i<=0xf;i++); /* a wee bit of delay */ 546 for (i=0;i<=0xf;i++); /* a wee bit of delay */
548 547
549 if (WaitTillCardIsFree(base)) 548 if (WaitTillCardIsFree(base))
550 return -EIO; 549 return -EIO;
551 550
552 if ((status=inw(base+0x4))!=0) { 551 if ((status=inw(base+0x4))!=0) {
553 printk(KERN_WARNING "ISILoad:Card%d rejected verify header:\nAddress:0x%x \nCount:0x%x \nStatus:0x%x \n", 552 printk(KERN_WARNING "ISILoad:Card%d rejected verify header:\nAddress:0x%x \nCount:0x%x \nStatus:0x%x \n",
554 card+1, frame.addr, frame.count, status); 553 card+1, frame.addr, frame.count, status);
555 return -EIO; 554 return -EIO;
556 } 555 }
557 556
558 inw(base); 557 inw(base);
559 insw(base, frame.bin_data, word_count); 558 insw(base, frame.bin_data, word_count);
560 InterruptTheCard(base); 559 InterruptTheCard(base);
561 560
562 for(i=0;i<=0x0f;i++); /* another wee bit of delay */ 561 for (i=0;i<=0x0f;i++); /* another wee bit of delay */
563 562
564 if (WaitTillCardIsFree(base)) 563 if (WaitTillCardIsFree(base))
565 return -EIO; 564 return -EIO;
566 565
567 if ((status=inw(base+0x4))!=0) { 566 if ((status=inw(base+0x4))!=0) {
568 printk(KERN_ERR "ISILoad:Card%d verify got out of sync.Card Status:0x%x\n",card+1, status); 567 printk(KERN_ERR "ISILoad:Card%d verify got out of sync.Card Status:0x%x\n",card+1, status);
569 return -EIO; 568 return -EIO;
570 } 569 }
571 570
572 if(copy_to_user(argp, &frame, sizeof(bin_frame))) 571 if (copy_to_user(argp, &frame, sizeof(bin_frame)))
573 return -EFAULT; 572 return -EFAULT;
574 return 0; 573 return 0;
575 574
576 case MIOCTL_XFER_CTRL: 575 case MIOCTL_XFER_CTRL:
577 if (!capable(CAP_SYS_ADMIN)) 576 if (!capable(CAP_SYS_ADMIN))
578 return -EPERM; 577 return -EPERM;
579 if (WaitTillCardIsFree(base)) 578 if (WaitTillCardIsFree(base))
580 return -EIO; 579 return -EIO;
581 580
582 outw(0xf2, base); 581 outw(0xf2, base);
583 outw(0x800, base); 582 outw(0x800, base);
584 outw(0x0, base); 583 outw(0x0, base);
585 outw(0x0, base); 584 outw(0x0, base);
586 InterruptTheCard(base); 585 InterruptTheCard(base);
587 outw(0x0, base+0x4); /* for ISI4608 cards */ 586 outw(0x0, base+0x4); /* for ISI4608 cards */
588 587
589 isi_card[card].status |= FIRMWARE_LOADED; 588 isi_card[card].status |= FIRMWARE_LOADED;
590 return 0; 589 return 0;
591 590
592 default: 591 default:
593#ifdef ISICOM_DEBUG 592#ifdef ISICOM_DEBUG
594 printk(KERN_DEBUG "ISILoad: Received Ioctl cmd 0x%x.\n", cmd); 593 printk(KERN_DEBUG "ISILoad: Received Ioctl cmd 0x%x.\n", cmd);
595#endif 594#endif
596 return -ENOIOCTLCMD; 595 return -ENOIOCTLCMD;
597
598 } 596 }
599
600} 597}
601 598
602 599
603/* 600/*
604 * ISICOM Driver specific routines ... 601 * ISICOM Driver specific routines ...
605 * 602 *
606 */ 603 */
607 604
608static inline int isicom_paranoia_check(struct isi_port const * port, char *name, 605static inline int isicom_paranoia_check(struct isi_port const *port, char *name,
609 const char * routine) 606 const char *routine)
610{ 607{
611#ifdef ISICOM_DEBUG 608#ifdef ISICOM_DEBUG
612 static const char * badmagic = 609 static const char *badmagic =
613 KERN_WARNING "ISICOM: Warning: bad isicom magic for dev %s in %s.\n"; 610 KERN_WARNING "ISICOM: Warning: bad isicom magic for dev %s in %s.\n";
614 static const char * badport = 611 static const char *badport =
615 KERN_WARNING "ISICOM: Warning: NULL isicom port for dev %s in %s.\n"; 612 KERN_WARNING "ISICOM: Warning: NULL isicom port for dev %s in %s.\n";
616 if (!port) { 613 if (!port) {
617 printk(badport, name, routine); 614 printk(badport, name, routine);
618 return 1; 615 return 1;
@@ -620,13 +617,13 @@ static inline int isicom_paranoia_check(struct isi_port const * port, char *name
620 if (port->magic != ISICOM_MAGIC) { 617 if (port->magic != ISICOM_MAGIC) {
621 printk(badmagic, name, routine); 618 printk(badmagic, name, routine);
622 return 1; 619 return 1;
623 } 620 }
624#endif 621#endif
625 return 0; 622 return 0;
626} 623}
627 624
628/* 625/*
629 * Transmitter. 626 * Transmitter.
630 * 627 *
631 * We shovel data into the card buffers on a regular basis. The card 628 * We shovel data into the card buffers on a regular basis. The card
632 * will do the rest of the work for us. 629 * will do the rest of the work for us.
@@ -636,25 +633,25 @@ static void isicom_tx(unsigned long _data)
636{ 633{
637 short count = (BOARD_COUNT-1), card, base; 634 short count = (BOARD_COUNT-1), card, base;
638 short txcount, wrd, residue, word_count, cnt; 635 short txcount, wrd, residue, word_count, cnt;
639 struct isi_port * port; 636 struct isi_port *port;
640 struct tty_struct * tty; 637 struct tty_struct *tty;
641 638
642#ifdef ISICOM_DEBUG 639#ifdef ISICOM_DEBUG
643 ++tx_count; 640 ++tx_count;
644#endif 641#endif
645 642
646 /* find next active board */ 643 /* find next active board */
647 card = (prev_card + 1) & 0x0003; 644 card = (prev_card + 1) & 0x0003;
648 while(count-- > 0) { 645 while(count-- > 0) {
649 if (isi_card[card].status & BOARD_ACTIVE) 646 if (isi_card[card].status & BOARD_ACTIVE)
650 break; 647 break;
651 card = (card + 1) & 0x0003; 648 card = (card + 1) & 0x0003;
652 } 649 }
653 if (!(isi_card[card].status & BOARD_ACTIVE)) 650 if (!(isi_card[card].status & BOARD_ACTIVE))
654 goto sched_again; 651 goto sched_again;
655 652
656 prev_card = card; 653 prev_card = card;
657 654
658 count = isi_card[card].port_count; 655 count = isi_card[card].port_count;
659 port = isi_card[card].ports; 656 port = isi_card[card].ports;
660 base = isi_card[card].base; 657 base = isi_card[card].base;
@@ -663,18 +660,18 @@ static void isicom_tx(unsigned long _data)
663 continue; 660 continue;
664 /* port not active or tx disabled to force flow control */ 661 /* port not active or tx disabled to force flow control */
665 if (!(port->flags & ASYNC_INITIALIZED) || 662 if (!(port->flags & ASYNC_INITIALIZED) ||
666 !(port->status & ISI_TXOK)) 663 !(port->status & ISI_TXOK))
667 unlock_card(&isi_card[card]); 664 unlock_card(&isi_card[card]);
668 continue; 665 continue;
669 666
670 tty = port->tty; 667 tty = port->tty;
671 668
672 669
673 if(tty == NULL) { 670 if (tty == NULL) {
674 unlock_card(&isi_card[card]); 671 unlock_card(&isi_card[card]);
675 continue; 672 continue;
676 } 673 }
677 674
678 txcount = min_t(short, TX_SIZE, port->xmit_cnt); 675 txcount = min_t(short, TX_SIZE, port->xmit_cnt);
679 if (txcount <= 0 || tty->stopped || tty->hw_stopped) { 676 if (txcount <= 0 || tty->stopped || tty->hw_stopped) {
680 unlock_card(&isi_card[card]); 677 unlock_card(&isi_card[card]);
@@ -682,16 +679,16 @@ static void isicom_tx(unsigned long _data)
682 } 679 }
683 if (!(inw(base + 0x02) & (1 << port->channel))) { 680 if (!(inw(base + 0x02) & (1 << port->channel))) {
684 unlock_card(&isi_card[card]); 681 unlock_card(&isi_card[card]);
685 continue; 682 continue;
686 } 683 }
687#ifdef ISICOM_DEBUG 684#ifdef ISICOM_DEBUG
688 printk(KERN_DEBUG "ISICOM: txing %d bytes, port%d.\n", 685 printk(KERN_DEBUG "ISICOM: txing %d bytes, port%d.\n",
689 txcount, port->channel+1); 686 txcount, port->channel+1);
690#endif 687#endif
691 outw((port->channel << isi_card[card].shift_count) | txcount 688 outw((port->channel << isi_card[card].shift_count) | txcount
692 , base); 689 , base);
693 residue = NO; 690 residue = NO;
694 wrd = 0; 691 wrd = 0;
695 while (1) { 692 while (1) {
696 cnt = min_t(int, txcount, (SERIAL_XMIT_SIZE - port->xmit_tail)); 693 cnt = min_t(int, txcount, (SERIAL_XMIT_SIZE - port->xmit_tail));
697 if (residue == YES) { 694 if (residue == YES) {
@@ -702,13 +699,13 @@ static void isicom_tx(unsigned long _data)
702 port->xmit_cnt--; 699 port->xmit_cnt--;
703 txcount--; 700 txcount--;
704 cnt--; 701 cnt--;
705 outw(wrd, base); 702 outw(wrd, base);
706 } 703 }
707 else { 704 else {
708 outw(wrd, base); 705 outw(wrd, base);
709 break; 706 break;
710 } 707 }
711 } 708 }
712 if (cnt <= 0) break; 709 if (cnt <= 0) break;
713 word_count = cnt >> 1; 710 word_count = cnt >> 1;
714 outsw(base, port->xmit_buf+port->xmit_tail, word_count); 711 outsw(base, port->xmit_buf+port->xmit_tail, word_count);
@@ -731,68 +728,68 @@ static void isicom_tx(unsigned long _data)
731 if (port->xmit_cnt <= WAKEUP_CHARS) 728 if (port->xmit_cnt <= WAKEUP_CHARS)
732 schedule_work(&port->bh_tqueue); 729 schedule_work(&port->bh_tqueue);
733 unlock_card(&isi_card[card]); 730 unlock_card(&isi_card[card]);
734 } 731 }
735 732
736 /* schedule another tx for hopefully in about 10ms */ 733 /* schedule another tx for hopefully in about 10ms */
737sched_again: 734sched_again:
738 if (!re_schedule) 735 if (!re_schedule)
739 return; 736 return;
740 init_timer(&tx); 737 init_timer(&tx);
741 tx.expires = jiffies + HZ/100; 738 tx.expires = jiffies + HZ/100;
742 tx.data = 0; 739 tx.data = 0;
743 tx.function = isicom_tx; 740 tx.function = isicom_tx;
744 add_timer(&tx); 741 add_timer(&tx);
745 742
746 return; 743 return;
747} 744}
748 745
749/* Interrupt handlers */ 746/* Interrupt handlers */
750 747
751 748
752static void isicom_bottomhalf(void * data) 749static void isicom_bottomhalf(void *data)
753{ 750{
754 struct isi_port * port = (struct isi_port *) data; 751 struct isi_port *port = (struct isi_port *) data;
755 struct tty_struct * tty = port->tty; 752 struct tty_struct *tty = port->tty;
756 753
757 if (!tty) 754 if (!tty)
758 return; 755 return;
759 756
760 tty_wakeup(tty); 757 tty_wakeup(tty);
761 wake_up_interruptible(&tty->write_wait); 758 wake_up_interruptible(&tty->write_wait);
762} 759}
763 760
764/* 761/*
765 * Main interrupt handler routine 762 * Main interrupt handler routine
766 */ 763 */
767 764
768static irqreturn_t isicom_interrupt(int irq, void *dev_id, 765static irqreturn_t isicom_interrupt(int irq, void *dev_id,
769 struct pt_regs *regs) 766 struct pt_regs *regs)
770{ 767{
771 struct isi_board * card; 768 struct isi_board *card;
772 struct isi_port * port; 769 struct isi_port *port;
773 struct tty_struct * tty; 770 struct tty_struct *tty;
774 unsigned short base, header, word_count, count; 771 unsigned short base, header, word_count, count;
775 unsigned char channel; 772 unsigned char channel;
776 short byte_count; 773 short byte_count;
777 unsigned char *rp; 774 unsigned char *rp;
778 775
779 card = (struct isi_board *) dev_id; 776 card = (struct isi_board *) dev_id;
780 777
781 if (!card || !(card->status & FIRMWARE_LOADED)) 778 if (!card || !(card->status & FIRMWARE_LOADED))
782 return IRQ_NONE; 779 return IRQ_NONE;
783 780
784 base = card->base; 781 base = card->base;
785 spin_lock(&card->card_lock); 782 spin_lock(&card->card_lock);
786 783
787 if (card->isa == NO) { 784 if (card->isa == NO) {
788 /* 785 /*
789 * disable any interrupts from the PCI card and lower the 786 * disable any interrupts from the PCI card and lower the
790 * interrupt line 787 * interrupt line
791 */ 788 */
792 outw(0x8000, base+0x04); 789 outw(0x8000, base+0x04);
793 ClearInterrupt(base); 790 ClearInterrupt(base);
794 } 791 }
795 792
796 inw(base); /* get the dummy word out */ 793 inw(base); /* get the dummy word out */
797 header = inw(base); 794 header = inw(base);
798 channel = (header & 0x7800) >> card->shift_count; 795 channel = (header & 0x7800) >> card->shift_count;
@@ -804,9 +801,9 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id,
804 if (card->isa) 801 if (card->isa)
805 ClearInterrupt(base); 802 ClearInterrupt(base);
806 else 803 else
807 outw(0x0000, base+0x04); /* enable interrupts */ 804 outw(0x0000, base+0x04); /* enable interrupts */
808 spin_unlock(&card->card_lock); 805 spin_unlock(&card->card_lock);
809 return IRQ_HANDLED; 806 return IRQ_HANDLED;
810 } 807 }
811 port = card->ports + channel; 808 port = card->ports + channel;
812 if (!(port->flags & ASYNC_INITIALIZED)) { 809 if (!(port->flags & ASYNC_INITIALIZED)) {
@@ -815,8 +812,8 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id,
815 else 812 else
816 outw(0x0000, base+0x04); /* enable interrupts */ 813 outw(0x0000, base+0x04); /* enable interrupts */
817 return IRQ_HANDLED; 814 return IRQ_HANDLED;
818 } 815 }
819 816
820 tty = port->tty; 817 tty = port->tty;
821 if (tty == NULL) { 818 if (tty == NULL) {
822 word_count = byte_count >> 1; 819 word_count = byte_count >> 1;
@@ -833,107 +830,107 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id,
833 spin_unlock(&card->card_lock); 830 spin_unlock(&card->card_lock);
834 return IRQ_HANDLED; 831 return IRQ_HANDLED;
835 } 832 }
836 833
837 if (header & 0x8000) { /* Status Packet */ 834 if (header & 0x8000) { /* Status Packet */
838 header = inw(base); 835 header = inw(base);
839 switch(header & 0xff) { 836 switch(header & 0xff) {
840 case 0: /* Change in EIA signals */ 837 case 0: /* Change in EIA signals */
841 838
842 if (port->flags & ASYNC_CHECK_CD) { 839 if (port->flags & ASYNC_CHECK_CD) {
843 if (port->status & ISI_DCD) { 840 if (port->status & ISI_DCD) {
844 if (!(header & ISI_DCD)) { 841 if (!(header & ISI_DCD)) {
845 /* Carrier has been lost */ 842 /* Carrier has been lost */
846#ifdef ISICOM_DEBUG
847 printk(KERN_DEBUG "ISICOM: interrupt: DCD->low.\n");
848#endif
849 port->status &= ~ISI_DCD;
850 schedule_work(&port->hangup_tq);
851 }
852 }
853 else {
854 if (header & ISI_DCD) {
855 /* Carrier has been detected */
856#ifdef ISICOM_DEBUG 843#ifdef ISICOM_DEBUG
857 printk(KERN_DEBUG "ISICOM: interrupt: DCD->high.\n"); 844 printk(KERN_DEBUG "ISICOM: interrupt: DCD->low.\n");
858#endif 845#endif
859 port->status |= ISI_DCD; 846 port->status &= ~ISI_DCD;
860 wake_up_interruptible(&port->open_wait); 847 schedule_work(&port->hangup_tq);
861 }
862 } 848 }
863 } 849 }
864 else { 850 else {
865 if (header & ISI_DCD) 851 if (header & ISI_DCD) {
852 /* Carrier has been detected */
853#ifdef ISICOM_DEBUG
854 printk(KERN_DEBUG "ISICOM: interrupt: DCD->high.\n");
855#endif
866 port->status |= ISI_DCD; 856 port->status |= ISI_DCD;
867 else 857 wake_up_interruptible(&port->open_wait);
868 port->status &= ~ISI_DCD;
869 }
870
871 if (port->flags & ASYNC_CTS_FLOW) {
872 if (port->tty->hw_stopped) {
873 if (header & ISI_CTS) {
874 port->tty->hw_stopped = 0;
875 /* start tx ing */
876 port->status |= (ISI_TXOK | ISI_CTS);
877 schedule_work(&port->bh_tqueue);
878 }
879 } 858 }
880 else { 859 }
881 if (!(header & ISI_CTS)) { 860 }
882 port->tty->hw_stopped = 1; 861 else {
883 /* stop tx ing */ 862 if (header & ISI_DCD)
884 port->status &= ~(ISI_TXOK | ISI_CTS); 863 port->status |= ISI_DCD;
885 } 864 else
865 port->status &= ~ISI_DCD;
866 }
867
868 if (port->flags & ASYNC_CTS_FLOW) {
869 if (port->tty->hw_stopped) {
870 if (header & ISI_CTS) {
871 port->tty->hw_stopped = 0;
872 /* start tx ing */
873 port->status |= (ISI_TXOK | ISI_CTS);
874 schedule_work(&port->bh_tqueue);
886 } 875 }
887 } 876 }
888 else { 877 else {
889 if (header & ISI_CTS) 878 if (!(header & ISI_CTS)) {
890 port->status |= ISI_CTS; 879 port->tty->hw_stopped = 1;
891 else 880 /* stop tx ing */
892 port->status &= ~ISI_CTS; 881 port->status &= ~(ISI_TXOK | ISI_CTS);
882 }
893 } 883 }
894 884 }
895 if (header & ISI_DSR) 885 else {
896 port->status |= ISI_DSR; 886 if (header & ISI_CTS)
897 else 887 port->status |= ISI_CTS;
898 port->status &= ~ISI_DSR;
899
900 if (header & ISI_RI)
901 port->status |= ISI_RI;
902 else 888 else
903 port->status &= ~ISI_RI; 889 port->status &= ~ISI_CTS;
904 890 }
905 break; 891
906 892 if (header & ISI_DSR)
907 case 1: /* Received Break !!! */ 893 port->status |= ISI_DSR;
908 tty_insert_flip_char(tty, 0, TTY_BREAK); 894 else
909 if (port->flags & ASYNC_SAK) 895 port->status &= ~ISI_DSR;
910 do_SAK(tty); 896
911 tty_flip_buffer_push(tty); 897 if (header & ISI_RI)
912 break; 898 port->status |= ISI_RI;
913 899 else
914 case 2: /* Statistics */ 900 port->status &= ~ISI_RI;
915 printk(KERN_DEBUG "ISICOM: isicom_interrupt: stats!!!.\n"); 901
916 break; 902 break;
917 903
918 default: 904 case 1: /* Received Break !!! */
919 printk(KERN_WARNING "ISICOM: Intr: Unknown code in status packet.\n"); 905 tty_insert_flip_char(tty, 0, TTY_BREAK);
920 break; 906 if (port->flags & ASYNC_SAK)
921 } 907 do_SAK(tty);
908 tty_flip_buffer_push(tty);
909 break;
910
911 case 2: /* Statistics */
912 printk(KERN_DEBUG "ISICOM: isicom_interrupt: stats!!!.\n");
913 break;
914
915 default:
916 printk(KERN_WARNING "ISICOM: Intr: Unknown code in status packet.\n");
917 break;
918 }
922 } 919 }
923 else { /* Data Packet */ 920 else { /* Data Packet */
924 921
925 count = tty_prepare_flip_string(tty, &rp, byte_count & ~1); 922 count = tty_prepare_flip_string(tty, &rp, byte_count & ~1);
926#ifdef ISICOM_DEBUG 923#ifdef ISICOM_DEBUG
927 printk(KERN_DEBUG "ISICOM: Intr: Can rx %d of %d bytes.\n", 924 printk(KERN_DEBUG "ISICOM: Intr: Can rx %d of %d bytes.\n",
928 count, byte_count); 925 count, byte_count);
929#endif 926#endif
930 word_count = count >> 1; 927 word_count = count >> 1;
931 insw(base, rp, word_count); 928 insw(base, rp, word_count);
932 byte_count -= (word_count << 1); 929 byte_count -= (word_count << 1);
933 if (count & 0x0001) { 930 if (count & 0x0001) {
934 tty_insert_flip_char(tty, inw(base) & 0xff, TTY_NORMAL); 931 tty_insert_flip_char(tty, inw(base) & 0xff, TTY_NORMAL);
935 byte_count -= 2; 932 byte_count -= 2;
936 } 933 }
937 if (byte_count > 0) { 934 if (byte_count > 0) {
938 printk(KERN_DEBUG "ISICOM: Intr(0x%x:%d): Flip buffer overflow! dropping bytes...\n", 935 printk(KERN_DEBUG "ISICOM: Intr(0x%x:%d): Flip buffer overflow! dropping bytes...\n",
939 base, channel+1); 936 base, channel+1);
@@ -947,102 +944,102 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id,
947 if (card->isa == YES) 944 if (card->isa == YES)
948 ClearInterrupt(base); 945 ClearInterrupt(base);
949 else 946 else
950 outw(0x0000, base+0x04); /* enable interrupts */ 947 outw(0x0000, base+0x04); /* enable interrupts */
951 return IRQ_HANDLED; 948 return IRQ_HANDLED;
952} 949}
953 950
954static void isicom_config_port(struct isi_port * port) 951static void isicom_config_port(struct isi_port *port)
955{ 952{
956 struct isi_board * card = port->card; 953 struct isi_board *card = port->card;
957 struct tty_struct * tty; 954 struct tty_struct *tty;
958 unsigned long baud; 955 unsigned long baud;
959 unsigned short channel_setup, base = card->base; 956 unsigned short channel_setup, base = card->base;
960 unsigned short channel = port->channel, shift_count = card->shift_count; 957 unsigned short channel = port->channel, shift_count = card->shift_count;
961 unsigned char flow_ctrl; 958 unsigned char flow_ctrl;
962 959
963 if (!(tty = port->tty) || !tty->termios) 960 if (!(tty = port->tty) || !tty->termios)
964 return; 961 return;
965 baud = C_BAUD(tty); 962 baud = C_BAUD(tty);
966 if (baud & CBAUDEX) { 963 if (baud & CBAUDEX) {
967 baud &= ~CBAUDEX; 964 baud &= ~CBAUDEX;
968 965
969 /* if CBAUDEX bit is on and the baud is set to either 50 or 75 966 /* if CBAUDEX bit is on and the baud is set to either 50 or 75
970 * then the card is programmed for 57.6Kbps or 115Kbps 967 * then the card is programmed for 57.6Kbps or 115Kbps
971 * respectively. 968 * respectively.
972 */ 969 */
973 970
974 if (baud < 1 || baud > 2) 971 if (baud < 1 || baud > 2)
975 port->tty->termios->c_cflag &= ~CBAUDEX; 972 port->tty->termios->c_cflag &= ~CBAUDEX;
976 else 973 else
977 baud += 15; 974 baud += 15;
978 } 975 }
979 if (baud == 15) { 976 if (baud == 15) {
980 977
981 /* the ASYNC_SPD_HI and ASYNC_SPD_VHI options are set 978 /* the ASYNC_SPD_HI and ASYNC_SPD_VHI options are set
982 * by the set_serial_info ioctl ... this is done by 979 * by the set_serial_info ioctl ... this is done by
983 * the 'setserial' utility. 980 * the 'setserial' utility.
984 */ 981 */
985 982
986 if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) 983 if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
987 baud++; /* 57.6 Kbps */ 984 baud++; /* 57.6 Kbps */
988 if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) 985 if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
989 baud +=2; /* 115 Kbps */ 986 baud +=2; /* 115 Kbps */
990 } 987 }
991 if (linuxb_to_isib[baud] == -1) { 988 if (linuxb_to_isib[baud] == -1) {
992 /* hang up */ 989 /* hang up */
993 drop_dtr(port); 990 drop_dtr(port);
994 return; 991 return;
995 } 992 }
996 else 993 else
997 raise_dtr(port); 994 raise_dtr(port);
998 995
999 if (lock_card(card)) { 996 if (lock_card(card)) {
1000 outw(0x8000 | (channel << shift_count) |0x03, base); 997 outw(0x8000 | (channel << shift_count) |0x03, base);
1001 outw(linuxb_to_isib[baud] << 8 | 0x03, base); 998 outw(linuxb_to_isib[baud] << 8 | 0x03, base);
1002 channel_setup = 0; 999 channel_setup = 0;
1003 switch(C_CSIZE(tty)) { 1000 switch(C_CSIZE(tty)) {
1004 case CS5: 1001 case CS5:
1005 channel_setup |= ISICOM_CS5; 1002 channel_setup |= ISICOM_CS5;
1006 break; 1003 break;
1007 case CS6: 1004 case CS6:
1008 channel_setup |= ISICOM_CS6; 1005 channel_setup |= ISICOM_CS6;
1009 break; 1006 break;
1010 case CS7: 1007 case CS7:
1011 channel_setup |= ISICOM_CS7; 1008 channel_setup |= ISICOM_CS7;
1012 break; 1009 break;
1013 case CS8: 1010 case CS8:
1014 channel_setup |= ISICOM_CS8; 1011 channel_setup |= ISICOM_CS8;
1015 break; 1012 break;
1016 } 1013 }
1017 1014
1018 if (C_CSTOPB(tty)) 1015 if (C_CSTOPB(tty))
1019 channel_setup |= ISICOM_2SB; 1016 channel_setup |= ISICOM_2SB;
1020 if (C_PARENB(tty)) { 1017 if (C_PARENB(tty)) {
1021 channel_setup |= ISICOM_EVPAR; 1018 channel_setup |= ISICOM_EVPAR;
1022 if (C_PARODD(tty)) 1019 if (C_PARODD(tty))
1023 channel_setup |= ISICOM_ODPAR; 1020 channel_setup |= ISICOM_ODPAR;
1024 } 1021 }
1025 outw(channel_setup, base); 1022 outw(channel_setup, base);
1026 InterruptTheCard(base); 1023 InterruptTheCard(base);
1027 unlock_card(card); 1024 unlock_card(card);
1028 } 1025 }
1029 if (C_CLOCAL(tty)) 1026 if (C_CLOCAL(tty))
1030 port->flags &= ~ASYNC_CHECK_CD; 1027 port->flags &= ~ASYNC_CHECK_CD;
1031 else 1028 else
1032 port->flags |= ASYNC_CHECK_CD; 1029 port->flags |= ASYNC_CHECK_CD;
1033 1030
1034 /* flow control settings ...*/ 1031 /* flow control settings ...*/
1035 flow_ctrl = 0; 1032 flow_ctrl = 0;
1036 port->flags &= ~ASYNC_CTS_FLOW; 1033 port->flags &= ~ASYNC_CTS_FLOW;
1037 if (C_CRTSCTS(tty)) { 1034 if (C_CRTSCTS(tty)) {
1038 port->flags |= ASYNC_CTS_FLOW; 1035 port->flags |= ASYNC_CTS_FLOW;
1039 flow_ctrl |= ISICOM_CTSRTS; 1036 flow_ctrl |= ISICOM_CTSRTS;
1040 } 1037 }
1041 if (I_IXON(tty)) 1038 if (I_IXON(tty))
1042 flow_ctrl |= ISICOM_RESPOND_XONXOFF; 1039 flow_ctrl |= ISICOM_RESPOND_XONXOFF;
1043 if (I_IXOFF(tty)) 1040 if (I_IXOFF(tty))
1044 flow_ctrl |= ISICOM_INITIATE_XONXOFF; 1041 flow_ctrl |= ISICOM_INITIATE_XONXOFF;
1045 1042
1046 if (lock_card(card)) { 1043 if (lock_card(card)) {
1047 outw(0x8000 | (channel << shift_count) |0x04, base); 1044 outw(0x8000 | (channel << shift_count) |0x04, base);
1048 outw(flow_ctrl << 8 | 0x05, base); 1045 outw(flow_ctrl << 8 | 0x05, base);
@@ -1050,22 +1047,22 @@ static void isicom_config_port(struct isi_port * port)
1050 InterruptTheCard(base); 1047 InterruptTheCard(base);
1051 unlock_card(card); 1048 unlock_card(card);
1052 } 1049 }
1053 1050
1054 /* rx enabled -> enable port for rx on the card */ 1051 /* rx enabled -> enable port for rx on the card */
1055 if (C_CREAD(tty)) { 1052 if (C_CREAD(tty)) {
1056 card->port_status |= (1 << channel); 1053 card->port_status |= (1 << channel);
1057 outw(card->port_status, base + 0x02); 1054 outw(card->port_status, base + 0x02);
1058 } 1055 }
1059} 1056}
1060
1061/* open et all */
1062 1057
1063static inline void isicom_setup_board(struct isi_board * bp) 1058/* open et all */
1059
1060static inline void isicom_setup_board(struct isi_board *bp)
1064{ 1061{
1065 int channel; 1062 int channel;
1066 struct isi_port * port; 1063 struct isi_port *port;
1067 unsigned long flags; 1064 unsigned long flags;
1068 1065
1069 spin_lock_irqsave(&bp->card_lock, flags); 1066 spin_lock_irqsave(&bp->card_lock, flags);
1070 if (bp->status & BOARD_ACTIVE) { 1067 if (bp->status & BOARD_ACTIVE) {
1071 spin_unlock_irqrestore(&bp->card_lock, flags); 1068 spin_unlock_irqrestore(&bp->card_lock, flags);
@@ -1074,53 +1071,53 @@ static inline void isicom_setup_board(struct isi_board * bp)
1074 port = bp->ports; 1071 port = bp->ports;
1075 bp->status |= BOARD_ACTIVE; 1072 bp->status |= BOARD_ACTIVE;
1076 spin_unlock_irqrestore(&bp->card_lock, flags); 1073 spin_unlock_irqrestore(&bp->card_lock, flags);
1077 for(channel = 0; channel < bp->port_count; channel++, port++) 1074 for (channel = 0; channel < bp->port_count; channel++, port++)
1078 drop_dtr_rts(port); 1075 drop_dtr_rts(port);
1079 return; 1076 return;
1080} 1077}
1081 1078
1082static int isicom_setup_port(struct isi_port * port) 1079static int isicom_setup_port(struct isi_port *port)
1083{ 1080{
1084 struct isi_board * card = port->card; 1081 struct isi_board *card = port->card;
1085 unsigned long flags; 1082 unsigned long flags;
1086 1083
1087 if (port->flags & ASYNC_INITIALIZED) { 1084 if (port->flags & ASYNC_INITIALIZED) {
1088 return 0; 1085 return 0;
1089 } 1086 }
1090 if (!port->xmit_buf) { 1087 if (!port->xmit_buf) {
1091 unsigned long page; 1088 unsigned long page;
1092 1089
1093 if (!(page = get_zeroed_page(GFP_KERNEL))) 1090 if (!(page = get_zeroed_page(GFP_KERNEL)))
1094 return -ENOMEM; 1091 return -ENOMEM;
1095 1092
1096 if (port->xmit_buf) { 1093 if (port->xmit_buf) {
1097 free_page(page); 1094 free_page(page);
1098 return -ERESTARTSYS; 1095 return -ERESTARTSYS;
1099 } 1096 }
1100 port->xmit_buf = (unsigned char *) page; 1097 port->xmit_buf = (unsigned char *) page;
1101 } 1098 }
1102 1099
1103 spin_lock_irqsave(&card->card_lock, flags); 1100 spin_lock_irqsave(&card->card_lock, flags);
1104 if (port->tty) 1101 if (port->tty)
1105 clear_bit(TTY_IO_ERROR, &port->tty->flags); 1102 clear_bit(TTY_IO_ERROR, &port->tty->flags);
1106 if (port->count == 1) 1103 if (port->count == 1)
1107 card->count++; 1104 card->count++;
1108 1105
1109 port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; 1106 port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
1110 1107
1111 /* discard any residual data */ 1108 /* discard any residual data */
1112 kill_queue(port, ISICOM_KILLTX | ISICOM_KILLRX); 1109 kill_queue(port, ISICOM_KILLTX | ISICOM_KILLRX);
1113 1110
1114 isicom_config_port(port); 1111 isicom_config_port(port);
1115 port->flags |= ASYNC_INITIALIZED; 1112 port->flags |= ASYNC_INITIALIZED;
1116 spin_unlock_irqrestore(&card->card_lock, flags); 1113 spin_unlock_irqrestore(&card->card_lock, flags);
1117 1114
1118 return 0; 1115 return 0;
1119} 1116}
1120 1117
1121static int block_til_ready(struct tty_struct * tty, struct file * filp, struct isi_port * port) 1118static int block_til_ready(struct tty_struct *tty, struct file *filp, struct isi_port *port)
1122{ 1119{
1123 struct isi_board * card = port->card; 1120 struct isi_board *card = port->card;
1124 int do_clocal = 0, retval; 1121 int do_clocal = 0, retval;
1125 unsigned long flags; 1122 unsigned long flags;
1126 DECLARE_WAITQUEUE(wait, current); 1123 DECLARE_WAITQUEUE(wait, current);
@@ -1128,30 +1125,30 @@ static int block_til_ready(struct tty_struct * tty, struct file * filp, struct i
1128 /* block if port is in the process of being closed */ 1125 /* block if port is in the process of being closed */
1129 1126
1130 if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) { 1127 if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) {
1131#ifdef ISICOM_DEBUG 1128#ifdef ISICOM_DEBUG
1132 printk(KERN_DEBUG "ISICOM: block_til_ready: close in progress.\n"); 1129 printk(KERN_DEBUG "ISICOM: block_til_ready: close in progress.\n");
1133#endif 1130#endif
1134 interruptible_sleep_on(&port->close_wait); 1131 interruptible_sleep_on(&port->close_wait);
1135 if (port->flags & ASYNC_HUP_NOTIFY) 1132 if (port->flags & ASYNC_HUP_NOTIFY)
1136 return -EAGAIN; 1133 return -EAGAIN;
1137 else 1134 else
1138 return -ERESTARTSYS; 1135 return -ERESTARTSYS;
1139 } 1136 }
1140 1137
1141 /* if non-blocking mode is set ... */ 1138 /* if non-blocking mode is set ... */
1142 1139
1143 if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) { 1140 if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) {
1144#ifdef ISICOM_DEBUG 1141#ifdef ISICOM_DEBUG
1145 printk(KERN_DEBUG "ISICOM: block_til_ready: non-block mode.\n"); 1142 printk(KERN_DEBUG "ISICOM: block_til_ready: non-block mode.\n");
1146#endif 1143#endif
1147 port->flags |= ASYNC_NORMAL_ACTIVE; 1144 port->flags |= ASYNC_NORMAL_ACTIVE;
1148 return 0; 1145 return 0;
1149 } 1146 }
1150 1147
1151 if (C_CLOCAL(tty)) 1148 if (C_CLOCAL(tty))
1152 do_clocal = 1; 1149 do_clocal = 1;
1153 1150
1154 /* block waiting for DCD to be asserted, and while 1151 /* block waiting for DCD to be asserted, and while
1155 callout dev is busy */ 1152 callout dev is busy */
1156 retval = 0; 1153 retval = 0;
1157 add_wait_queue(&port->open_wait, &wait); 1154 add_wait_queue(&port->open_wait, &wait);
@@ -1161,27 +1158,27 @@ static int block_til_ready(struct tty_struct * tty, struct file * filp, struct i
1161 port->count--; 1158 port->count--;
1162 port->blocked_open++; 1159 port->blocked_open++;
1163 spin_unlock_irqrestore(&card->card_lock, flags); 1160 spin_unlock_irqrestore(&card->card_lock, flags);
1164 1161
1165 while (1) { 1162 while (1) {
1166 raise_dtr_rts(port); 1163 raise_dtr_rts(port);
1167 1164
1168 set_current_state(TASK_INTERRUPTIBLE); 1165 set_current_state(TASK_INTERRUPTIBLE);
1169 if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)) { 1166 if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)) {
1170 if (port->flags & ASYNC_HUP_NOTIFY) 1167 if (port->flags & ASYNC_HUP_NOTIFY)
1171 retval = -EAGAIN; 1168 retval = -EAGAIN;
1172 else 1169 else
1173 retval = -ERESTARTSYS; 1170 retval = -ERESTARTSYS;
1174 break; 1171 break;
1175 } 1172 }
1176 if (!(port->flags & ASYNC_CLOSING) && 1173 if (!(port->flags & ASYNC_CLOSING) &&
1177 (do_clocal || (port->status & ISI_DCD))) { 1174 (do_clocal || (port->status & ISI_DCD))) {
1178 break; 1175 break;
1179 } 1176 }
1180 if (signal_pending(current)) { 1177 if (signal_pending(current)) {
1181 retval = -ERESTARTSYS; 1178 retval = -ERESTARTSYS;
1182 break; 1179 break;
1183 } 1180 }
1184 schedule(); 1181 schedule();
1185 } 1182 }
1186 set_current_state(TASK_RUNNING); 1183 set_current_state(TASK_RUNNING);
1187 remove_wait_queue(&port->open_wait, &wait); 1184 remove_wait_queue(&port->open_wait, &wait);
@@ -1195,11 +1192,11 @@ static int block_til_ready(struct tty_struct * tty, struct file * filp, struct i
1195 port->flags |= ASYNC_NORMAL_ACTIVE; 1192 port->flags |= ASYNC_NORMAL_ACTIVE;
1196 return 0; 1193 return 0;
1197} 1194}
1198 1195
1199static int isicom_open(struct tty_struct * tty, struct file * filp) 1196static int isicom_open(struct tty_struct *tty, struct file *filp)
1200{ 1197{
1201 struct isi_port * port; 1198 struct isi_port *port;
1202 struct isi_board * card; 1199 struct isi_board *card;
1203 unsigned int line, board; 1200 unsigned int line, board;
1204 int error; 1201 int error;
1205 1202
@@ -1208,20 +1205,20 @@ static int isicom_open(struct tty_struct * tty, struct file * filp)
1208 return -ENODEV; 1205 return -ENODEV;
1209 board = BOARD(line); 1206 board = BOARD(line);
1210 card = &isi_card[board]; 1207 card = &isi_card[board];
1211 1208
1212 if (!(card->status & FIRMWARE_LOADED)) 1209 if (!(card->status & FIRMWARE_LOADED))
1213 return -ENODEV; 1210 return -ENODEV;
1214 1211
1215 /* open on a port greater than the port count for the card !!! */ 1212 /* open on a port greater than the port count for the card !!! */
1216 if (line > ((board * 16) + card->port_count - 1)) 1213 if (line > ((board * 16) + card->port_count - 1))
1217 return -ENODEV; 1214 return -ENODEV;
1218 1215
1219 port = &isi_ports[line]; 1216 port = &isi_ports[line];
1220 if (isicom_paranoia_check(port, tty->name, "isicom_open")) 1217 if (isicom_paranoia_check(port, tty->name, "isicom_open"))
1221 return -ENODEV; 1218 return -ENODEV;
1222 1219
1223 isicom_setup_board(card); 1220 isicom_setup_board(card);
1224 1221
1225 port->count++; 1222 port->count++;
1226 tty->driver_data = port; 1223 tty->driver_data = port;
1227 port->tty = tty; 1224 port->tty = tty;
@@ -1230,12 +1227,12 @@ static int isicom_open(struct tty_struct * tty, struct file * filp)
1230 if ((error = block_til_ready(tty, filp, port))!=0) 1227 if ((error = block_til_ready(tty, filp, port))!=0)
1231 return error; 1228 return error;
1232 1229
1233 return 0; 1230 return 0;
1234} 1231}
1235 1232
1236/* close et all */ 1233/* close et all */
1237 1234
1238static inline void isicom_shutdown_board(struct isi_board * bp) 1235static inline void isicom_shutdown_board(struct isi_board *bp)
1239{ 1236{
1240 unsigned long flags; 1237 unsigned long flags;
1241 1238
@@ -1246,15 +1243,15 @@ static inline void isicom_shutdown_board(struct isi_board * bp)
1246 spin_unlock_irqrestore(&bp->card_lock, flags); 1243 spin_unlock_irqrestore(&bp->card_lock, flags);
1247} 1244}
1248 1245
1249static void isicom_shutdown_port(struct isi_port * port) 1246static void isicom_shutdown_port(struct isi_port *port)
1250{ 1247{
1251 struct isi_board * card = port->card; 1248 struct isi_board *card = port->card;
1252 struct tty_struct * tty; 1249 struct tty_struct *tty;
1253 unsigned long flags; 1250 unsigned long flags;
1254 1251
1255 tty = port->tty; 1252 tty = port->tty;
1256 1253
1257 spin_lock_irqsave(&card->card_lock, flags); 1254 spin_lock_irqsave(&card->card_lock, flags);
1258 if (!(port->flags & ASYNC_INITIALIZED)) { 1255 if (!(port->flags & ASYNC_INITIALIZED)) {
1259 spin_unlock_irqrestore(&card->card_lock, flags); 1256 spin_unlock_irqrestore(&card->card_lock, flags);
1260 return; 1257 return;
@@ -1262,60 +1259,60 @@ static void isicom_shutdown_port(struct isi_port * port)
1262 if (port->xmit_buf) { 1259 if (port->xmit_buf) {
1263 free_page((unsigned long) port->xmit_buf); 1260 free_page((unsigned long) port->xmit_buf);
1264 port->xmit_buf = NULL; 1261 port->xmit_buf = NULL;
1265 } 1262 }
1266 port->flags &= ~ASYNC_INITIALIZED; 1263 port->flags &= ~ASYNC_INITIALIZED;
1267 /* 3rd October 2000 : Vinayak P Risbud */ 1264 /* 3rd October 2000 : Vinayak P Risbud */
1268 port->tty = NULL; 1265 port->tty = NULL;
1269 spin_unlock_irqrestore(&card->card_lock, flags); 1266 spin_unlock_irqrestore(&card->card_lock, flags);
1270 1267
1271 /*Fix done by Anil .S on 30-04-2001 1268 /*Fix done by Anil .S on 30-04-2001
1272 remote login through isi port has dtr toggle problem 1269 remote login through isi port has dtr toggle problem
1273 due to which the carrier drops before the password prompt 1270 due to which the carrier drops before the password prompt
1274 appears on the remote end. Now we drop the dtr only if the 1271 appears on the remote end. Now we drop the dtr only if the
1275 HUPCL(Hangup on close) flag is set for the tty*/ 1272 HUPCL(Hangup on close) flag is set for the tty*/
1276 1273
1277 if (C_HUPCL(tty)) 1274 if (C_HUPCL(tty))
1278 /* drop dtr on this port */ 1275 /* drop dtr on this port */
1279 drop_dtr(port); 1276 drop_dtr(port);
1280 1277
1281 /* any other port uninits */ 1278 /* any other port uninits */
1282 if (tty) 1279 if (tty)
1283 set_bit(TTY_IO_ERROR, &tty->flags); 1280 set_bit(TTY_IO_ERROR, &tty->flags);
1284 1281
1285 if (--card->count < 0) { 1282 if (--card->count < 0) {
1286 printk(KERN_DEBUG "ISICOM: isicom_shutdown_port: bad board(0x%x) count %d.\n", 1283 printk(KERN_DEBUG "ISICOM: isicom_shutdown_port: bad board(0x%x) count %d.\n",
1287 card->base, card->count); 1284 card->base, card->count);
1288 card->count = 0; 1285 card->count = 0;
1289 } 1286 }
1290 1287
1291 /* last port was closed , shutdown that boad too */ 1288 /* last port was closed , shutdown that boad too */
1292 if(C_HUPCL(tty)) { 1289 if (C_HUPCL(tty)) {
1293 if (!card->count) 1290 if (!card->count)
1294 isicom_shutdown_board(card); 1291 isicom_shutdown_board(card);
1295 } 1292 }
1296} 1293}
1297 1294
1298static void isicom_close(struct tty_struct * tty, struct file * filp) 1295static void isicom_close(struct tty_struct *tty, struct file *filp)
1299{ 1296{
1300 struct isi_port * port = (struct isi_port *) tty->driver_data; 1297 struct isi_port *port = (struct isi_port *) tty->driver_data;
1301 struct isi_board * card = port->card; 1298 struct isi_board *card = port->card;
1302 unsigned long flags; 1299 unsigned long flags;
1303 1300
1304 if (!port) 1301 if (!port)
1305 return; 1302 return;
1306 if (isicom_paranoia_check(port, tty->name, "isicom_close")) 1303 if (isicom_paranoia_check(port, tty->name, "isicom_close"))
1307 return; 1304 return;
1308 1305
1309#ifdef ISICOM_DEBUG 1306#ifdef ISICOM_DEBUG
1310 printk(KERN_DEBUG "ISICOM: Close start!!!.\n"); 1307 printk(KERN_DEBUG "ISICOM: Close start!!!.\n");
1311#endif 1308#endif
1312 1309
1313 spin_lock_irqsave(&card->card_lock, flags); 1310 spin_lock_irqsave(&card->card_lock, flags);
1314 if (tty_hung_up_p(filp)) { 1311 if (tty_hung_up_p(filp)) {
1315 spin_unlock_irqrestore(&card->card_lock, flags); 1312 spin_unlock_irqrestore(&card->card_lock, flags);
1316 return; 1313 return;
1317 } 1314 }
1318 1315
1319 if (tty->count == 1 && port->count != 1) { 1316 if (tty->count == 1 && port->count != 1) {
1320 printk(KERN_WARNING "ISICOM:(0x%x) isicom_close: bad port count" 1317 printk(KERN_WARNING "ISICOM:(0x%x) isicom_close: bad port count"
1321 "tty->count = 1 port count = %d.\n", 1318 "tty->count = 1 port count = %d.\n",
@@ -1324,31 +1321,31 @@ static void isicom_close(struct tty_struct * tty, struct file * filp)
1324 } 1321 }
1325 if (--port->count < 0) { 1322 if (--port->count < 0) {
1326 printk(KERN_WARNING "ISICOM:(0x%x) isicom_close: bad port count for" 1323 printk(KERN_WARNING "ISICOM:(0x%x) isicom_close: bad port count for"
1327 "channel%d = %d", card->base, port->channel, 1324 "channel%d = %d", card->base, port->channel,
1328 port->count); 1325 port->count);
1329 port->count = 0; 1326 port->count = 0;
1330 } 1327 }
1331 1328
1332 if (port->count) { 1329 if (port->count) {
1333 spin_unlock_irqrestore(&card->card_lock, flags); 1330 spin_unlock_irqrestore(&card->card_lock, flags);
1334 return; 1331 return;
1335 } 1332 }
1336 port->flags |= ASYNC_CLOSING; 1333 port->flags |= ASYNC_CLOSING;
1337 tty->closing = 1; 1334 tty->closing = 1;
1338 spin_unlock_irqrestore(&card->card_lock, flags); 1335 spin_unlock_irqrestore(&card->card_lock, flags);
1339 1336
1340 if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) 1337 if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
1341 tty_wait_until_sent(tty, port->closing_wait); 1338 tty_wait_until_sent(tty, port->closing_wait);
1342 /* indicate to the card that no more data can be received 1339 /* indicate to the card that no more data can be received
1343 on this port */ 1340 on this port */
1344 spin_lock_irqsave(&card->card_lock, flags); 1341 spin_lock_irqsave(&card->card_lock, flags);
1345 if (port->flags & ASYNC_INITIALIZED) { 1342 if (port->flags & ASYNC_INITIALIZED) {
1346 card->port_status &= ~(1 << port->channel); 1343 card->port_status &= ~(1 << port->channel);
1347 outw(card->port_status, card->base + 0x02); 1344 outw(card->port_status, card->base + 0x02);
1348 } 1345 }
1349 isicom_shutdown_port(port); 1346 isicom_shutdown_port(port);
1350 spin_unlock_irqrestore(&card->card_lock, flags); 1347 spin_unlock_irqrestore(&card->card_lock, flags);
1351 1348
1352 if (tty->driver->flush_buffer) 1349 if (tty->driver->flush_buffer)
1353 tty->driver->flush_buffer(tty); 1350 tty->driver->flush_buffer(tty);
1354 tty_ldisc_flush(tty); 1351 tty_ldisc_flush(tty);
@@ -1359,65 +1356,65 @@ static void isicom_close(struct tty_struct * tty, struct file * filp)
1359 if (port->blocked_open) { 1356 if (port->blocked_open) {
1360 spin_unlock_irqrestore(&card->card_lock, flags); 1357 spin_unlock_irqrestore(&card->card_lock, flags);
1361 if (port->close_delay) { 1358 if (port->close_delay) {
1362#ifdef ISICOM_DEBUG 1359#ifdef ISICOM_DEBUG
1363 printk(KERN_DEBUG "ISICOM: scheduling until time out.\n"); 1360 printk(KERN_DEBUG "ISICOM: scheduling until time out.\n");
1364#endif 1361#endif
1365 msleep_interruptible(jiffies_to_msecs(port->close_delay)); 1362 msleep_interruptible(jiffies_to_msecs(port->close_delay));
1366 } 1363 }
1367 spin_lock_irqsave(&card->card_lock, flags); 1364 spin_lock_irqsave(&card->card_lock, flags);
1368 wake_up_interruptible(&port->open_wait); 1365 wake_up_interruptible(&port->open_wait);
1369 } 1366 }
1370 port->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING); 1367 port->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
1371 wake_up_interruptible(&port->close_wait); 1368 wake_up_interruptible(&port->close_wait);
1372 spin_unlock_irqrestore(&card->card_lock, flags); 1369 spin_unlock_irqrestore(&card->card_lock, flags);
1373} 1370}
1374 1371
1375/* write et all */ 1372/* write et all */
1376static int isicom_write(struct tty_struct * tty, 1373static int isicom_write(struct tty_struct *tty, const unsigned char *buf,
1377 const unsigned char * buf, int count) 1374 int count)
1378{ 1375{
1379 struct isi_port * port = (struct isi_port *) tty->driver_data; 1376 struct isi_port *port = (struct isi_port *) tty->driver_data;
1380 struct isi_board * card = port->card; 1377 struct isi_board *card = port->card;
1381 unsigned long flags; 1378 unsigned long flags;
1382 int cnt, total = 0; 1379 int cnt, total = 0;
1383 1380
1384 if (isicom_paranoia_check(port, tty->name, "isicom_write")) 1381 if (isicom_paranoia_check(port, tty->name, "isicom_write"))
1385 return 0; 1382 return 0;
1386 1383
1387 if (!tty || !port->xmit_buf || !tmp_buf) 1384 if (!tty || !port->xmit_buf || !tmp_buf)
1388 return 0; 1385 return 0;
1389 1386
1390 spin_lock_irqsave(&card->card_lock, flags); 1387 spin_lock_irqsave(&card->card_lock, flags);
1391 1388
1392 while(1) { 1389 while(1) {
1393 cnt = min_t(int, count, min(SERIAL_XMIT_SIZE - port->xmit_cnt - 1, 1390 cnt = min_t(int, count, min(SERIAL_XMIT_SIZE - port->xmit_cnt - 1,
1394 SERIAL_XMIT_SIZE - port->xmit_head)); 1391 SERIAL_XMIT_SIZE - port->xmit_head));
1395 if (cnt <= 0) 1392 if (cnt <= 0)
1396 break; 1393 break;
1397 1394
1398 memcpy(port->xmit_buf + port->xmit_head, buf, cnt); 1395 memcpy(port->xmit_buf + port->xmit_head, buf, cnt);
1399 port->xmit_head = (port->xmit_head + cnt) & (SERIAL_XMIT_SIZE - 1); 1396 port->xmit_head = (port->xmit_head + cnt) & (SERIAL_XMIT_SIZE - 1);
1400 port->xmit_cnt += cnt; 1397 port->xmit_cnt += cnt;
1401 buf += cnt; 1398 buf += cnt;
1402 count -= cnt; 1399 count -= cnt;
1403 total += cnt; 1400 total += cnt;
1404 } 1401 }
1405 if (port->xmit_cnt && !tty->stopped && !tty->hw_stopped) 1402 if (port->xmit_cnt && !tty->stopped && !tty->hw_stopped)
1406 port->status |= ISI_TXOK; 1403 port->status |= ISI_TXOK;
1407 spin_unlock_irqrestore(&card->card_lock, flags); 1404 spin_unlock_irqrestore(&card->card_lock, flags);
1408 return total; 1405 return total;
1409} 1406}
1410 1407
1411/* put_char et all */ 1408/* put_char et all */
1412static void isicom_put_char(struct tty_struct * tty, unsigned char ch) 1409static void isicom_put_char(struct tty_struct *tty, unsigned char ch)
1413{ 1410{
1414 struct isi_port * port = (struct isi_port *) tty->driver_data; 1411 struct isi_port *port = (struct isi_port *) tty->driver_data;
1415 struct isi_board * card = port->card; 1412 struct isi_board *card = port->card;
1416 unsigned long flags; 1413 unsigned long flags;
1417 1414
1418 if (isicom_paranoia_check(port, tty->name, "isicom_put_char")) 1415 if (isicom_paranoia_check(port, tty->name, "isicom_put_char"))
1419 return; 1416 return;
1420 1417
1421 if (!tty || !port->xmit_buf) 1418 if (!tty || !port->xmit_buf)
1422 return; 1419 return;
1423 1420
@@ -1426,7 +1423,7 @@ static void isicom_put_char(struct tty_struct * tty, unsigned char ch)
1426 spin_unlock_irqrestore(&card->card_lock, flags); 1423 spin_unlock_irqrestore(&card->card_lock, flags);
1427 return; 1424 return;
1428 } 1425 }
1429 1426
1430 port->xmit_buf[port->xmit_head++] = ch; 1427 port->xmit_buf[port->xmit_head++] = ch;
1431 port->xmit_head &= (SERIAL_XMIT_SIZE - 1); 1428 port->xmit_head &= (SERIAL_XMIT_SIZE - 1);
1432 port->xmit_cnt++; 1429 port->xmit_cnt++;
@@ -1434,30 +1431,30 @@ static void isicom_put_char(struct tty_struct * tty, unsigned char ch)
1434} 1431}
1435 1432
1436/* flush_chars et all */ 1433/* flush_chars et all */
1437static void isicom_flush_chars(struct tty_struct * tty) 1434static void isicom_flush_chars(struct tty_struct *tty)
1438{ 1435{
1439 struct isi_port * port = (struct isi_port *) tty->driver_data; 1436 struct isi_port *port = (struct isi_port *) tty->driver_data;
1440 1437
1441 if (isicom_paranoia_check(port, tty->name, "isicom_flush_chars")) 1438 if (isicom_paranoia_check(port, tty->name, "isicom_flush_chars"))
1442 return; 1439 return;
1443 1440
1444 if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || !port->xmit_buf) 1441 if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || !port->xmit_buf)
1445 return; 1442 return;
1446 1443
1447 /* this tells the transmitter to consider this port for 1444 /* this tells the transmitter to consider this port for
1448 data output to the card ... that's the best we can do. */ 1445 data output to the card ... that's the best we can do. */
1449 port->status |= ISI_TXOK; 1446 port->status |= ISI_TXOK;
1450} 1447}
1451 1448
1452/* write_room et all */ 1449/* write_room et all */
1453static int isicom_write_room(struct tty_struct * tty) 1450static int isicom_write_room(struct tty_struct *tty)
1454{ 1451{
1455 struct isi_port * port = (struct isi_port *) tty->driver_data; 1452 struct isi_port *port = (struct isi_port *) tty->driver_data;
1456 int free; 1453 int free;
1457 1454
1458 if (isicom_paranoia_check(port, tty->name, "isicom_write_room")) 1455 if (isicom_paranoia_check(port, tty->name, "isicom_write_room"))
1459 return 0; 1456 return 0;
1460 1457
1461 free = SERIAL_XMIT_SIZE - port->xmit_cnt - 1; 1458 free = SERIAL_XMIT_SIZE - port->xmit_cnt - 1;
1462 if (free < 0) 1459 if (free < 0)
1463 free = 0; 1460 free = 0;
@@ -1465,23 +1462,23 @@ static int isicom_write_room(struct tty_struct * tty)
1465} 1462}
1466 1463
1467/* chars_in_buffer et all */ 1464/* chars_in_buffer et all */
1468static int isicom_chars_in_buffer(struct tty_struct * tty) 1465static int isicom_chars_in_buffer(struct tty_struct *tty)
1469{ 1466{
1470 struct isi_port * port = (struct isi_port *) tty->driver_data; 1467 struct isi_port *port = (struct isi_port *) tty->driver_data;
1471 if (isicom_paranoia_check(port, tty->name, "isicom_chars_in_buffer")) 1468 if (isicom_paranoia_check(port, tty->name, "isicom_chars_in_buffer"))
1472 return 0; 1469 return 0;
1473 return port->xmit_cnt; 1470 return port->xmit_cnt;
1474} 1471}
1475 1472
1476/* ioctl et all */ 1473/* ioctl et all */
1477static inline void isicom_send_break(struct isi_port * port, unsigned long length) 1474static inline void isicom_send_break(struct isi_port *port, unsigned long length)
1478{ 1475{
1479 struct isi_board * card = port->card; 1476 struct isi_board *card = port->card;
1480 unsigned short base = card->base; 1477 unsigned short base = card->base;
1481 1478
1482 if(!lock_card(card)) 1479 if (!lock_card(card))
1483 return; 1480 return;
1484 1481
1485 outw(0x8000 | ((port->channel) << (card->shift_count)) | 0x3, base); 1482 outw(0x8000 | ((port->channel) << (card->shift_count)) | 0x3, base);
1486 outw((length & 0xff) << 8 | 0x00, base); 1483 outw((length & 0xff) << 8 | 0x00, base);
1487 outw((length & 0xff00), base); 1484 outw((length & 0xff00), base);
@@ -1492,13 +1489,13 @@ static inline void isicom_send_break(struct isi_port * port, unsigned long lengt
1492 1489
1493static int isicom_tiocmget(struct tty_struct *tty, struct file *file) 1490static int isicom_tiocmget(struct tty_struct *tty, struct file *file)
1494{ 1491{
1495 struct isi_port * port = (struct isi_port *) tty->driver_data; 1492 struct isi_port *port = (struct isi_port *) tty->driver_data;
1496 /* just send the port status */ 1493 /* just send the port status */
1497 unsigned short status = port->status; 1494 unsigned short status = port->status;
1498 1495
1499 if (isicom_paranoia_check(port, tty->name, "isicom_ioctl")) 1496 if (isicom_paranoia_check(port, tty->name, "isicom_ioctl"))
1500 return -ENODEV; 1497 return -ENODEV;
1501 1498
1502 return ((status & ISI_RTS) ? TIOCM_RTS : 0) | 1499 return ((status & ISI_RTS) ? TIOCM_RTS : 0) |
1503 ((status & ISI_DTR) ? TIOCM_DTR : 0) | 1500 ((status & ISI_DTR) ? TIOCM_DTR : 0) |
1504 ((status & ISI_DCD) ? TIOCM_CAR : 0) | 1501 ((status & ISI_DCD) ? TIOCM_CAR : 0) |
@@ -1508,13 +1505,13 @@ static int isicom_tiocmget(struct tty_struct *tty, struct file *file)
1508} 1505}
1509 1506
1510static int isicom_tiocmset(struct tty_struct *tty, struct file *file, 1507static int isicom_tiocmset(struct tty_struct *tty, struct file *file,
1511 unsigned int set, unsigned int clear) 1508 unsigned int set, unsigned int clear)
1512{ 1509{
1513 struct isi_port * port = (struct isi_port *) tty->driver_data; 1510 struct isi_port *port = (struct isi_port *) tty->driver_data;
1514 1511
1515 if (isicom_paranoia_check(port, tty->name, "isicom_ioctl")) 1512 if (isicom_paranoia_check(port, tty->name, "isicom_ioctl"))
1516 return -ENODEV; 1513 return -ENODEV;
1517 1514
1518 if (set & TIOCM_RTS) 1515 if (set & TIOCM_RTS)
1519 raise_rts(port); 1516 raise_rts(port);
1520 if (set & TIOCM_DTR) 1517 if (set & TIOCM_DTR)
@@ -1526,46 +1523,46 @@ static int isicom_tiocmset(struct tty_struct *tty, struct file *file,
1526 drop_dtr(port); 1523 drop_dtr(port);
1527 1524
1528 return 0; 1525 return 0;
1529} 1526}
1530 1527
1531static int isicom_set_serial_info(struct isi_port * port, 1528static int isicom_set_serial_info(struct isi_port *port,
1532 struct serial_struct __user *info) 1529 struct serial_struct __user *info)
1533{ 1530{
1534 struct serial_struct newinfo; 1531 struct serial_struct newinfo;
1535 int reconfig_port; 1532 int reconfig_port;
1536 1533
1537 if(copy_from_user(&newinfo, info, sizeof(newinfo))) 1534 if (copy_from_user(&newinfo, info, sizeof(newinfo)))
1538 return -EFAULT; 1535 return -EFAULT;
1539 1536
1540 reconfig_port = ((port->flags & ASYNC_SPD_MASK) != 1537 reconfig_port = ((port->flags & ASYNC_SPD_MASK) !=
1541 (newinfo.flags & ASYNC_SPD_MASK)); 1538 (newinfo.flags & ASYNC_SPD_MASK));
1542 1539
1543 if (!capable(CAP_SYS_ADMIN)) { 1540 if (!capable(CAP_SYS_ADMIN)) {
1544 if ((newinfo.close_delay != port->close_delay) || 1541 if ((newinfo.close_delay != port->close_delay) ||
1545 (newinfo.closing_wait != port->closing_wait) || 1542 (newinfo.closing_wait != port->closing_wait) ||
1546 ((newinfo.flags & ~ASYNC_USR_MASK) != 1543 ((newinfo.flags & ~ASYNC_USR_MASK) !=
1547 (port->flags & ~ASYNC_USR_MASK))) 1544 (port->flags & ~ASYNC_USR_MASK)))
1548 return -EPERM; 1545 return -EPERM;
1549 port->flags = ((port->flags & ~ ASYNC_USR_MASK) | 1546 port->flags = ((port->flags & ~ ASYNC_USR_MASK) |
1550 (newinfo.flags & ASYNC_USR_MASK)); 1547 (newinfo.flags & ASYNC_USR_MASK));
1551 } 1548 }
1552 else { 1549 else {
1553 port->close_delay = newinfo.close_delay; 1550 port->close_delay = newinfo.close_delay;
1554 port->closing_wait = newinfo.closing_wait; 1551 port->closing_wait = newinfo.closing_wait;
1555 port->flags = ((port->flags & ~ASYNC_FLAGS) | 1552 port->flags = ((port->flags & ~ASYNC_FLAGS) |
1556 (newinfo.flags & ASYNC_FLAGS)); 1553 (newinfo.flags & ASYNC_FLAGS));
1557 } 1554 }
1558 if (reconfig_port) { 1555 if (reconfig_port) {
1559 isicom_config_port(port); 1556 isicom_config_port(port);
1560 } 1557 }
1561 return 0; 1558 return 0;
1562} 1559}
1563 1560
1564static int isicom_get_serial_info(struct isi_port * port, 1561static int isicom_get_serial_info(struct isi_port *port,
1565 struct serial_struct __user *info) 1562 struct serial_struct __user *info)
1566{ 1563{
1567 struct serial_struct out_info; 1564 struct serial_struct out_info;
1568 1565
1569 memset(&out_info, 0, sizeof(out_info)); 1566 memset(&out_info, 0, sizeof(out_info));
1570/* out_info.type = ? */ 1567/* out_info.type = ? */
1571 out_info.line = port - isi_ports; 1568 out_info.line = port - isi_ports;
@@ -1575,15 +1572,15 @@ static int isicom_get_serial_info(struct isi_port * port,
1575/* out_info.baud_base = ? */ 1572/* out_info.baud_base = ? */
1576 out_info.close_delay = port->close_delay; 1573 out_info.close_delay = port->close_delay;
1577 out_info.closing_wait = port->closing_wait; 1574 out_info.closing_wait = port->closing_wait;
1578 if(copy_to_user(info, &out_info, sizeof(out_info))) 1575 if (copy_to_user(info, &out_info, sizeof(out_info)))
1579 return -EFAULT; 1576 return -EFAULT;
1580 return 0; 1577 return 0;
1581} 1578}
1582 1579
1583static int isicom_ioctl(struct tty_struct * tty, struct file * filp, 1580static int isicom_ioctl(struct tty_struct *tty, struct file *filp,
1584 unsigned int cmd, unsigned long arg) 1581 unsigned int cmd, unsigned long arg)
1585{ 1582{
1586 struct isi_port * port = (struct isi_port *) tty->driver_data; 1583 struct isi_port *port = (struct isi_port *) tty->driver_data;
1587 void __user *argp = (void __user *)arg; 1584 void __user *argp = (void __user *)arg;
1588 int retval; 1585 int retval;
1589 1586
@@ -1591,139 +1588,140 @@ static int isicom_ioctl(struct tty_struct * tty, struct file * filp,
1591 return -ENODEV; 1588 return -ENODEV;
1592 1589
1593 switch(cmd) { 1590 switch(cmd) {
1594 case TCSBRK: 1591 case TCSBRK:
1595 retval = tty_check_change(tty); 1592 retval = tty_check_change(tty);
1596 if (retval) 1593 if (retval)
1597 return retval; 1594 return retval;
1598 tty_wait_until_sent(tty, 0); 1595 tty_wait_until_sent(tty, 0);
1599 if (!arg) 1596 if (!arg)
1600 isicom_send_break(port, HZ/4); 1597 isicom_send_break(port, HZ/4);
1601 return 0; 1598 return 0;
1602 1599
1603 case TCSBRKP: 1600 case TCSBRKP:
1604 retval = tty_check_change(tty); 1601 retval = tty_check_change(tty);
1605 if (retval) 1602 if (retval)
1606 return retval; 1603 return retval;
1607 tty_wait_until_sent(tty, 0); 1604 tty_wait_until_sent(tty, 0);
1608 isicom_send_break(port, arg ? arg * (HZ/10) : HZ/4); 1605 isicom_send_break(port, arg ? arg * (HZ/10) : HZ/4);
1609 return 0; 1606 return 0;
1610 1607
1611 case TIOCGSOFTCAR: 1608 case TIOCGSOFTCAR:
1612 return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *)argp); 1609 return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *)argp);
1613 1610
1614 case TIOCSSOFTCAR: 1611 case TIOCSSOFTCAR:
1615 if(get_user(arg, (unsigned long __user *) argp)) 1612 if (get_user(arg, (unsigned long __user *) argp))
1616 return -EFAULT; 1613 return -EFAULT;
1617 tty->termios->c_cflag = 1614 tty->termios->c_cflag =
1618 ((tty->termios->c_cflag & ~CLOCAL) | 1615 ((tty->termios->c_cflag & ~CLOCAL) |
1619 (arg ? CLOCAL : 0)); 1616 (arg ? CLOCAL : 0));
1620 return 0; 1617 return 0;
1621 1618
1622 case TIOCGSERIAL: 1619 case TIOCGSERIAL:
1623 return isicom_get_serial_info(port, argp); 1620 return isicom_get_serial_info(port, argp);
1624 1621
1625 case TIOCSSERIAL: 1622 case TIOCSSERIAL:
1626 return isicom_set_serial_info(port, argp); 1623 return isicom_set_serial_info(port, argp);
1627 1624
1628 default: 1625 default:
1629 return -ENOIOCTLCMD; 1626 return -ENOIOCTLCMD;
1630 } 1627 }
1631 return 0; 1628 return 0;
1632} 1629}
1633 1630
1634/* set_termios et all */ 1631/* set_termios et all */
1635static void isicom_set_termios(struct tty_struct * tty, struct termios * old_termios) 1632static void isicom_set_termios(struct tty_struct *tty,
1633 struct termios *old_termios)
1636{ 1634{
1637 struct isi_port * port = (struct isi_port *) tty->driver_data; 1635 struct isi_port *port = (struct isi_port *) tty->driver_data;
1638 1636
1639 if (isicom_paranoia_check(port, tty->name, "isicom_set_termios")) 1637 if (isicom_paranoia_check(port, tty->name, "isicom_set_termios"))
1640 return; 1638 return;
1641 1639
1642 if (tty->termios->c_cflag == old_termios->c_cflag && 1640 if (tty->termios->c_cflag == old_termios->c_cflag &&
1643 tty->termios->c_iflag == old_termios->c_iflag) 1641 tty->termios->c_iflag == old_termios->c_iflag)
1644 return; 1642 return;
1645 1643
1646 isicom_config_port(port); 1644 isicom_config_port(port);
1647 1645
1648 if ((old_termios->c_cflag & CRTSCTS) && 1646 if ((old_termios->c_cflag & CRTSCTS) &&
1649 !(tty->termios->c_cflag & CRTSCTS)) { 1647 !(tty->termios->c_cflag & CRTSCTS)) {
1650 tty->hw_stopped = 0; 1648 tty->hw_stopped = 0;
1651 isicom_start(tty); 1649 isicom_start(tty);
1652 } 1650 }
1653} 1651}
1654 1652
1655/* throttle et all */ 1653/* throttle et all */
1656static void isicom_throttle(struct tty_struct * tty) 1654static void isicom_throttle(struct tty_struct *tty)
1657{ 1655{
1658 struct isi_port * port = (struct isi_port *) tty->driver_data; 1656 struct isi_port *port = (struct isi_port *) tty->driver_data;
1659 struct isi_board * card = port->card; 1657 struct isi_board *card = port->card;
1660 1658
1661 if (isicom_paranoia_check(port, tty->name, "isicom_throttle")) 1659 if (isicom_paranoia_check(port, tty->name, "isicom_throttle"))
1662 return; 1660 return;
1663 1661
1664 /* tell the card that this port cannot handle any more data for now */ 1662 /* tell the card that this port cannot handle any more data for now */
1665 card->port_status &= ~(1 << port->channel); 1663 card->port_status &= ~(1 << port->channel);
1666 outw(card->port_status, card->base + 0x02); 1664 outw(card->port_status, card->base + 0x02);
1667} 1665}
1668 1666
1669/* unthrottle et all */ 1667/* unthrottle et all */
1670static void isicom_unthrottle(struct tty_struct * tty) 1668static void isicom_unthrottle(struct tty_struct *tty)
1671{ 1669{
1672 struct isi_port * port = (struct isi_port *) tty->driver_data; 1670 struct isi_port *port = (struct isi_port *) tty->driver_data;
1673 struct isi_board * card = port->card; 1671 struct isi_board *card = port->card;
1674 1672
1675 if (isicom_paranoia_check(port, tty->name, "isicom_unthrottle")) 1673 if (isicom_paranoia_check(port, tty->name, "isicom_unthrottle"))
1676 return; 1674 return;
1677 1675
1678 /* tell the card that this port is ready to accept more data */ 1676 /* tell the card that this port is ready to accept more data */
1679 card->port_status |= (1 << port->channel); 1677 card->port_status |= (1 << port->channel);
1680 outw(card->port_status, card->base + 0x02); 1678 outw(card->port_status, card->base + 0x02);
1681} 1679}
1682 1680
1683/* stop et all */ 1681/* stop et all */
1684static void isicom_stop(struct tty_struct * tty) 1682static void isicom_stop(struct tty_struct *tty)
1685{ 1683{
1686 struct isi_port * port = (struct isi_port *) tty->driver_data; 1684 struct isi_port *port = (struct isi_port *) tty->driver_data;
1687 1685
1688 if (isicom_paranoia_check(port, tty->name, "isicom_stop")) 1686 if (isicom_paranoia_check(port, tty->name, "isicom_stop"))
1689 return; 1687 return;
1690 1688
1691 /* this tells the transmitter not to consider this port for 1689 /* this tells the transmitter not to consider this port for
1692 data output to the card. */ 1690 data output to the card. */
1693 port->status &= ~ISI_TXOK; 1691 port->status &= ~ISI_TXOK;
1694} 1692}
1695 1693
1696/* start et all */ 1694/* start et all */
1697static void isicom_start(struct tty_struct * tty) 1695static void isicom_start(struct tty_struct *tty)
1698{ 1696{
1699 struct isi_port * port = (struct isi_port *) tty->driver_data; 1697 struct isi_port *port = (struct isi_port *) tty->driver_data;
1700 1698
1701 if (isicom_paranoia_check(port, tty->name, "isicom_start")) 1699 if (isicom_paranoia_check(port, tty->name, "isicom_start"))
1702 return; 1700 return;
1703 1701
1704 /* this tells the transmitter to consider this port for 1702 /* this tells the transmitter to consider this port for
1705 data output to the card. */ 1703 data output to the card. */
1706 port->status |= ISI_TXOK; 1704 port->status |= ISI_TXOK;
1707} 1705}
1708 1706
1709/* hangup et all */ 1707/* hangup et all */
1710static void do_isicom_hangup(void * data) 1708static void do_isicom_hangup(void *data)
1711{ 1709{
1712 struct isi_port * port = (struct isi_port *) data; 1710 struct isi_port *port = (struct isi_port *) data;
1713 struct tty_struct * tty; 1711 struct tty_struct *tty;
1714 1712
1715 tty = port->tty; 1713 tty = port->tty;
1716 if (tty) 1714 if (tty)
1717 tty_hangup(tty); 1715 tty_hangup(tty);
1718} 1716}
1719 1717
1720static void isicom_hangup(struct tty_struct * tty) 1718static void isicom_hangup(struct tty_struct *tty)
1721{ 1719{
1722 struct isi_port * port = (struct isi_port *) tty->driver_data; 1720 struct isi_port *port = (struct isi_port *) tty->driver_data;
1723 1721
1724 if (isicom_paranoia_check(port, tty->name, "isicom_hangup")) 1722 if (isicom_paranoia_check(port, tty->name, "isicom_hangup"))
1725 return; 1723 return;
1726 1724
1727 isicom_shutdown_port(port); 1725 isicom_shutdown_port(port);
1728 port->count = 0; 1726 port->count = 0;
1729 port->flags &= ~ASYNC_NORMAL_ACTIVE; 1727 port->flags &= ~ASYNC_NORMAL_ACTIVE;
@@ -1732,19 +1730,19 @@ static void isicom_hangup(struct tty_struct * tty)
1732} 1730}
1733 1731
1734/* flush_buffer et all */ 1732/* flush_buffer et all */
1735static void isicom_flush_buffer(struct tty_struct * tty) 1733static void isicom_flush_buffer(struct tty_struct *tty)
1736{ 1734{
1737 struct isi_port * port = (struct isi_port *) tty->driver_data; 1735 struct isi_port *port = (struct isi_port *) tty->driver_data;
1738 struct isi_board * card = port->card; 1736 struct isi_board *card = port->card;
1739 unsigned long flags; 1737 unsigned long flags;
1740 1738
1741 if (isicom_paranoia_check(port, tty->name, "isicom_flush_buffer")) 1739 if (isicom_paranoia_check(port, tty->name, "isicom_flush_buffer"))
1742 return; 1740 return;
1743 1741
1744 spin_lock_irqsave(&card->card_lock, flags); 1742 spin_lock_irqsave(&card->card_lock, flags);
1745 port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; 1743 port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
1746 spin_unlock_irqrestore(&card->card_lock, flags); 1744 spin_unlock_irqrestore(&card->card_lock, flags);
1747 1745
1748 wake_up_interruptible(&tty->write_wait); 1746 wake_up_interruptible(&tty->write_wait);
1749 tty_wakeup(tty); 1747 tty_wakeup(tty);
1750} 1748}
@@ -1768,33 +1766,33 @@ static int __devinit register_ioregion(void)
1768static void unregister_ioregion(void) 1766static void unregister_ioregion(void)
1769{ 1767{
1770 int count; 1768 int count;
1771 for (count=0; count < BOARD_COUNT; count++ ) 1769 for (count=0; count < BOARD_COUNT; count++ )
1772 if (isi_card[count].base) { 1770 if (isi_card[count].base) {
1773 release_region(isi_card[count].base,16); 1771 release_region(isi_card[count].base,16);
1774#ifdef ISICOM_DEBUG 1772#ifdef ISICOM_DEBUG
1775 printk(KERN_DEBUG "ISICOM: I/O Region 0x%x-0x%x released for Card%d.\n",isi_card[count].base,isi_card[count].base+15,count+1); 1773 printk(KERN_DEBUG "ISICOM: I/O Region 0x%x-0x%x released for Card%d.\n",isi_card[count].base,isi_card[count].base+15,count+1);
1776#endif 1774#endif
1777 } 1775 }
1778} 1776}
1779 1777
1780static struct tty_operations isicom_ops = { 1778static struct tty_operations isicom_ops = {
1781 .open = isicom_open, 1779 .open = isicom_open,
1782 .close = isicom_close, 1780 .close = isicom_close,
1783 .write = isicom_write, 1781 .write = isicom_write,
1784 .put_char = isicom_put_char, 1782 .put_char = isicom_put_char,
1785 .flush_chars = isicom_flush_chars, 1783 .flush_chars = isicom_flush_chars,
1786 .write_room = isicom_write_room, 1784 .write_room = isicom_write_room,
1787 .chars_in_buffer = isicom_chars_in_buffer, 1785 .chars_in_buffer = isicom_chars_in_buffer,
1788 .ioctl = isicom_ioctl, 1786 .ioctl = isicom_ioctl,
1789 .set_termios = isicom_set_termios, 1787 .set_termios = isicom_set_termios,
1790 .throttle = isicom_throttle, 1788 .throttle = isicom_throttle,
1791 .unthrottle = isicom_unthrottle, 1789 .unthrottle = isicom_unthrottle,
1792 .stop = isicom_stop, 1790 .stop = isicom_stop,
1793 .start = isicom_start, 1791 .start = isicom_start,
1794 .hangup = isicom_hangup, 1792 .hangup = isicom_hangup,
1795 .flush_buffer = isicom_flush_buffer, 1793 .flush_buffer = isicom_flush_buffer,
1796 .tiocmget = isicom_tiocmget, 1794 .tiocmget = isicom_tiocmget,
1797 .tiocmset = isicom_tiocmset, 1795 .tiocmset = isicom_tiocmset,
1798}; 1796};
1799 1797
1800static int __devinit register_drivers(void) 1798static int __devinit register_drivers(void)
@@ -1814,11 +1812,11 @@ static int __devinit register_drivers(void)
1814 isicom_normal->type = TTY_DRIVER_TYPE_SERIAL; 1812 isicom_normal->type = TTY_DRIVER_TYPE_SERIAL;
1815 isicom_normal->subtype = SERIAL_TYPE_NORMAL; 1813 isicom_normal->subtype = SERIAL_TYPE_NORMAL;
1816 isicom_normal->init_termios = tty_std_termios; 1814 isicom_normal->init_termios = tty_std_termios;
1817 isicom_normal->init_termios.c_cflag = 1815 isicom_normal->init_termios.c_cflag =
1818 B9600 | CS8 | CREAD | HUPCL |CLOCAL; 1816 B9600 | CS8 | CREAD | HUPCL |CLOCAL;
1819 isicom_normal->flags = TTY_DRIVER_REAL_RAW; 1817 isicom_normal->flags = TTY_DRIVER_REAL_RAW;
1820 tty_set_operations(isicom_normal, &isicom_ops); 1818 tty_set_operations(isicom_normal, &isicom_ops);
1821 1819
1822 if ((error=tty_register_driver(isicom_normal))!=0) { 1820 if ((error=tty_register_driver(isicom_normal))!=0) {
1823 printk(KERN_DEBUG "ISICOM: Couldn't register the dialin driver, error=%d\n", 1821 printk(KERN_DEBUG "ISICOM: Couldn't register the dialin driver, error=%d\n",
1824 error); 1822 error);
@@ -1843,13 +1841,13 @@ static int __devinit register_isr(void)
1843 1841
1844 for (count=0; count < BOARD_COUNT; count++ ) { 1842 for (count=0; count < BOARD_COUNT; count++ ) {
1845 if (isi_card[count].base) { 1843 if (isi_card[count].base) {
1846 irqflags = (isi_card[count].isa == YES) ? 1844 irqflags = (isi_card[count].isa == YES) ?
1847 SA_INTERRUPT : 1845 SA_INTERRUPT :
1848 (SA_INTERRUPT | SA_SHIRQ); 1846 (SA_INTERRUPT | SA_SHIRQ);
1849 1847
1850 if (request_irq(isi_card[count].irq, 1848 if (request_irq(isi_card[count].irq,
1851 isicom_interrupt, 1849 isicom_interrupt,
1852 irqflags, 1850 irqflags,
1853 ISICOM_NAME, &isi_card[count])) { 1851 ISICOM_NAME, &isi_card[count])) {
1854 1852
1855 printk(KERN_WARNING "ISICOM: Could not" 1853 printk(KERN_WARNING "ISICOM: Could not"
@@ -1862,7 +1860,7 @@ static int __devinit register_isr(void)
1862 } 1860 }
1863 else 1861 else
1864 done++; 1862 done++;
1865 } 1863 }
1866 } 1864 }
1867 return done; 1865 return done;
1868} 1866}
@@ -1880,42 +1878,42 @@ static void __exit unregister_isr(void)
1880static int __devinit isicom_init(void) 1878static int __devinit isicom_init(void)
1881{ 1879{
1882 int card, channel, base; 1880 int card, channel, base;
1883 struct isi_port * port; 1881 struct isi_port *port;
1884 unsigned long page; 1882 unsigned long page;
1885 1883
1886 if (!tmp_buf) { 1884 if (!tmp_buf) {
1887 page = get_zeroed_page(GFP_KERNEL); 1885 page = get_zeroed_page(GFP_KERNEL);
1888 if (!page) { 1886 if (!page) {
1889#ifdef ISICOM_DEBUG 1887#ifdef ISICOM_DEBUG
1890 printk(KERN_DEBUG "ISICOM: Couldn't allocate page for tmp_buf.\n"); 1888 printk(KERN_DEBUG "ISICOM: Couldn't allocate page for tmp_buf.\n");
1891#else 1889#else
1892 printk(KERN_ERR "ISICOM: Not enough memory...\n"); 1890 printk(KERN_ERR "ISICOM: Not enough memory...\n");
1893#endif 1891#endif
1894 return 0; 1892 return 0;
1895 } 1893 }
1896 tmp_buf = (unsigned char *) page; 1894 tmp_buf = (unsigned char *) page;
1897 } 1895 }
1898 1896
1899 if (!register_ioregion()) 1897 if (!register_ioregion())
1900 { 1898 {
1901 printk(KERN_ERR "ISICOM: All required I/O space found busy.\n"); 1899 printk(KERN_ERR "ISICOM: All required I/O space found busy.\n");
1902 free_page((unsigned long)tmp_buf); 1900 free_page((unsigned long)tmp_buf);
1903 return 0; 1901 return 0;
1904 } 1902 }
1905 if (register_drivers()) 1903 if (register_drivers())
1906 { 1904 {
1907 unregister_ioregion(); 1905 unregister_ioregion();
1908 free_page((unsigned long)tmp_buf); 1906 free_page((unsigned long)tmp_buf);
1909 return 0; 1907 return 0;
1910 } 1908 }
1911 if (!register_isr()) 1909 if (!register_isr())
1912 { 1910 {
1913 unregister_drivers(); 1911 unregister_drivers();
1914 /* ioports already uregistered in register_isr */ 1912 /* ioports already uregistered in register_isr */
1915 free_page((unsigned long)tmp_buf); 1913 free_page((unsigned long)tmp_buf);
1916 return 0; 1914 return 0;
1917 } 1915 }
1918 1916
1919 memset(isi_ports, 0, sizeof(isi_ports)); 1917 memset(isi_ports, 0, sizeof(isi_ports));
1920 for (card = 0; card < BOARD_COUNT; card++) { 1918 for (card = 0; card < BOARD_COUNT; card++) {
1921 port = &isi_ports[card * 16]; 1919 port = &isi_ports[card * 16];
@@ -1926,24 +1924,24 @@ static int __devinit isicom_init(void)
1926 port->magic = ISICOM_MAGIC; 1924 port->magic = ISICOM_MAGIC;
1927 port->card = &isi_card[card]; 1925 port->card = &isi_card[card];
1928 port->channel = channel; 1926 port->channel = channel;
1929 port->close_delay = 50 * HZ/100; 1927 port->close_delay = 50 * HZ/100;
1930 port->closing_wait = 3000 * HZ/100; 1928 port->closing_wait = 3000 * HZ/100;
1931 INIT_WORK(&port->hangup_tq, do_isicom_hangup, port); 1929 INIT_WORK(&port->hangup_tq, do_isicom_hangup, port);
1932 INIT_WORK(&port->bh_tqueue, isicom_bottomhalf, port); 1930 INIT_WORK(&port->bh_tqueue, isicom_bottomhalf, port);
1933 port->status = 0; 1931 port->status = 0;
1934 init_waitqueue_head(&port->open_wait); 1932 init_waitqueue_head(&port->open_wait);
1935 init_waitqueue_head(&port->close_wait); 1933 init_waitqueue_head(&port->close_wait);
1936 /* . . . */ 1934 /* . . . */
1937 } 1935 }
1938 } 1936 }
1939 1937
1940 return 1; 1938 return 1;
1941} 1939}
1942 1940
1943/* 1941/*
1944 * Insmod can set static symbols so keep these static 1942 * Insmod can set static symbols so keep these static
1945 */ 1943 */
1946 1944
1947static int io[4]; 1945static int io[4];
1948static int irq[4]; 1946static int irq[4];
1949 1947
@@ -1961,9 +1959,9 @@ static int __devinit isicom_setup(void)
1961 int retval, card, idx, count; 1959 int retval, card, idx, count;
1962 unsigned char pciirq; 1960 unsigned char pciirq;
1963 unsigned int ioaddr; 1961 unsigned int ioaddr;
1964 1962
1965 card = 0; 1963 card = 0;
1966 for(idx=0; idx < BOARD_COUNT; idx++) { 1964 for (idx=0; idx < BOARD_COUNT; idx++) {
1967 if (io[idx]) { 1965 if (io[idx]) {
1968 isi_card[idx].base=io[idx]; 1966 isi_card[idx].base=io[idx];
1969 isi_card[idx].irq=irq[idx]; 1967 isi_card[idx].irq=irq[idx];
@@ -1975,23 +1973,23 @@ static int __devinit isicom_setup(void)
1975 isi_card[idx].irq = 0; 1973 isi_card[idx].irq = 0;
1976 } 1974 }
1977 } 1975 }
1978 1976
1979 for (idx=0 ;idx < card; idx++) { 1977 for (idx=0 ;idx < card; idx++) {
1980 if (!((isi_card[idx].irq==2)||(isi_card[idx].irq==3)|| 1978 if (!((isi_card[idx].irq==2)||(isi_card[idx].irq==3)||
1981 (isi_card[idx].irq==4)||(isi_card[idx].irq==5)|| 1979 (isi_card[idx].irq==4)||(isi_card[idx].irq==5)||
1982 (isi_card[idx].irq==7)||(isi_card[idx].irq==10)|| 1980 (isi_card[idx].irq==7)||(isi_card[idx].irq==10)||
1983 (isi_card[idx].irq==11)||(isi_card[idx].irq==12)|| 1981 (isi_card[idx].irq==11)||(isi_card[idx].irq==12)||
1984 (isi_card[idx].irq==15))) { 1982 (isi_card[idx].irq==15))) {
1985 1983
1986 if (isi_card[idx].base) { 1984 if (isi_card[idx].base) {
1987 printk(KERN_ERR "ISICOM: Irq %d unsupported. Disabling Card%d...\n", 1985 printk(KERN_ERR "ISICOM: Irq %d unsupported. Disabling Card%d...\n",
1988 isi_card[idx].irq, idx+1); 1986 isi_card[idx].irq, idx+1);
1989 isi_card[idx].base=0; 1987 isi_card[idx].base=0;
1990 card--; 1988 card--;
1991 } 1989 }
1992 } 1990 }
1993 } 1991 }
1994 1992
1995 if (card < BOARD_COUNT) { 1993 if (card < BOARD_COUNT) {
1996 for (idx=0; idx < DEVID_COUNT; idx++) { 1994 for (idx=0; idx < DEVID_COUNT; idx++) {
1997 dev = NULL; 1995 dev = NULL;
@@ -2000,21 +1998,22 @@ static int __devinit isicom_setup(void)
2000 break; 1998 break;
2001 if (card >= BOARD_COUNT) 1999 if (card >= BOARD_COUNT)
2002 break; 2000 break;
2003 2001
2004 if (pci_enable_device(dev)) 2002 if (pci_enable_device(dev))
2005 break; 2003 break;
2006 2004
2007 /* found a PCI ISI card! */ 2005 /* found a PCI ISI card! */
2008 ioaddr = pci_resource_start (dev, 3); /* i.e at offset 0x1c in the 2006 ioaddr = pci_resource_start (dev, 3);
2009 * PCI configuration register 2007 /* i.e at offset 0x1c in the
2010 * space. 2008 * PCI configuration register
2011 */ 2009 * space.
2010 */
2012 pciirq = dev->irq; 2011 pciirq = dev->irq;
2013 printk(KERN_INFO "ISI PCI Card(Device ID 0x%x)\n", isicom_pci_tbl[idx].device); 2012 printk(KERN_INFO "ISI PCI Card(Device ID 0x%x)\n", isicom_pci_tbl[idx].device);
2014 /* 2013 /*
2015 * allot the first empty slot in the array 2014 * allot the first empty slot in the array
2016 */ 2015 */
2017 for (count=0; count < BOARD_COUNT; count++) { 2016 for (count=0; count < BOARD_COUNT; count++) {
2018 if (isi_card[count].base == 0) { 2017 if (isi_card[count].base == 0) {
2019 isi_card[count].base = ioaddr; 2018 isi_card[count].base = ioaddr;
2020 isi_card[count].irq = pciirq; 2019 isi_card[count].irq = pciirq;
@@ -2023,35 +2022,35 @@ static int __devinit isicom_setup(void)
2023 break; 2022 break;
2024 } 2023 }
2025 } 2024 }
2026 } 2025 }
2027 if (card >= BOARD_COUNT) break; 2026 if (card >= BOARD_COUNT) break;
2028 } 2027 }
2029 } 2028 }
2030 2029
2031 if (!(isi_card[0].base || isi_card[1].base || isi_card[2].base || isi_card[3].base)) { 2030 if (!(isi_card[0].base || isi_card[1].base || isi_card[2].base || isi_card[3].base)) {
2032 printk(KERN_ERR "ISICOM: No valid card configuration. Driver cannot be initialized...\n"); 2031 printk(KERN_ERR "ISICOM: No valid card configuration. Driver cannot be initialized...\n");
2033 return -EIO; 2032 return -EIO;
2034 } 2033 }
2035 2034
2036 retval = misc_register(&isiloader_device); 2035 retval = misc_register(&isiloader_device);
2037 if (retval < 0) { 2036 if (retval < 0) {
2038 printk(KERN_ERR "ISICOM: Unable to register firmware loader driver.\n"); 2037 printk(KERN_ERR "ISICOM: Unable to register firmware loader driver.\n");
2039 return retval; 2038 return retval;
2040 } 2039 }
2041 2040
2042 if (!isicom_init()) { 2041 if (!isicom_init()) {
2043 if (misc_deregister(&isiloader_device)) 2042 if (misc_deregister(&isiloader_device))
2044 printk(KERN_ERR "ISICOM: Unable to unregister Firmware Loader driver\n"); 2043 printk(KERN_ERR "ISICOM: Unable to unregister Firmware Loader driver\n");
2045 return -EIO; 2044 return -EIO;
2046 } 2045 }
2047 2046
2048 init_timer(&tx); 2047 init_timer(&tx);
2049 tx.expires = jiffies + 1; 2048 tx.expires = jiffies + 1;
2050 tx.data = 0; 2049 tx.data = 0;
2051 tx.function = isicom_tx; 2050 tx.function = isicom_tx;
2052 re_schedule = 1; 2051 re_schedule = 1;
2053 add_timer(&tx); 2052 add_timer(&tx);
2054 2053
2055 return 0; 2054 return 0;
2056} 2055}
2057 2056
@@ -2062,8 +2061,8 @@ static void __exit isicom_exit(void)
2062 msleep(1000); 2061 msleep(1000);
2063 unregister_isr(); 2062 unregister_isr();
2064 unregister_drivers(); 2063 unregister_drivers();
2065 unregister_ioregion(); 2064 unregister_ioregion();
2066 if(tmp_buf) 2065 if (tmp_buf)
2067 free_page((unsigned long)tmp_buf); 2066 free_page((unsigned long)tmp_buf);
2068 if (misc_deregister(&isiloader_device)) 2067 if (misc_deregister(&isiloader_device))
2069 printk(KERN_ERR "ISICOM: Unable to unregister Firmware Loader driver\n"); 2068 printk(KERN_ERR "ISICOM: Unable to unregister Firmware Loader driver\n");
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-30 05:24:40 -0400