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authorJiri Slaby <jirislaby@gmail.com>2006-12-08 05:39:04 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 11:28:58 -0500
commit15b611f63f0fb8709a5fae498c2d688b5d05edc9 (patch)
tree18622ece3ecda7d3c8e19f312af36a28cf2b4c88 /drivers/char
parent55e7071a3c6cdb65fb5ce3ea9c692a8d78ed0844 (diff)
[PATCH] Char: sx, whitespace cleanup
Use Lindent to cleanup whitespace. Wrap long lines by hand. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/sx.c1822
1 files changed, 976 insertions, 846 deletions
diff --git a/drivers/char/sx.c b/drivers/char/sx.c
index ca6d51895013..401ebab26018 100644
--- a/drivers/char/sx.c
+++ b/drivers/char/sx.c
@@ -238,7 +238,6 @@
238#include <linux/generic_serial.h> 238#include <linux/generic_serial.h>
239#include "sx.h" 239#include "sx.h"
240 240
241
242/* I don't think that this driver can handle more than 256 ports on 241/* I don't think that this driver can handle more than 256 ports on
243 one machine. You'll have to increase the number of boards in sx.h 242 one machine. You'll have to increase the number of boards in sx.h
244 if you want more than 4 boards. */ 243 if you want more than 4 boards. */
@@ -253,7 +252,6 @@
253/* Am I paranoid or not ? ;-) */ 252/* Am I paranoid or not ? ;-) */
254#undef SX_PARANOIA_CHECK 253#undef SX_PARANOIA_CHECK
255 254
256
257/* 20 -> 2000 per second. The card should rate-limit interrupts at 100 255/* 20 -> 2000 per second. The card should rate-limit interrupts at 100
258 Hz, but it is user configurable. I don't recommend going above 1000 256 Hz, but it is user configurable. I don't recommend going above 1000
259 Hz. The interrupt ratelimit might trigger if the interrupt is 257 Hz. The interrupt ratelimit might trigger if the interrupt is
@@ -267,7 +265,6 @@
267 interrupt. Use polling. */ 265 interrupt. Use polling. */
268#undef IRQ_RATE_LIMIT 266#undef IRQ_RATE_LIMIT
269 267
270
271#if 0 268#if 0
272/* Not implemented */ 269/* Not implemented */
273/* 270/*
@@ -276,26 +273,24 @@
276 */ 273 */
277#define SX_REPORT_FIFO 274#define SX_REPORT_FIFO
278#define SX_REPORT_OVERRUN 275#define SX_REPORT_OVERRUN
279#endif 276#endif
280
281 277
282/* Function prototypes */ 278/* Function prototypes */
283static void sx_disable_tx_interrupts (void * ptr); 279static void sx_disable_tx_interrupts(void *ptr);
284static void sx_enable_tx_interrupts (void * ptr); 280static void sx_enable_tx_interrupts(void *ptr);
285static void sx_disable_rx_interrupts (void * ptr); 281static void sx_disable_rx_interrupts(void *ptr);
286static void sx_enable_rx_interrupts (void * ptr); 282static void sx_enable_rx_interrupts(void *ptr);
287static int sx_get_CD (void * ptr); 283static int sx_get_CD(void *ptr);
288static void sx_shutdown_port (void * ptr); 284static void sx_shutdown_port(void *ptr);
289static int sx_set_real_termios (void *ptr); 285static int sx_set_real_termios(void *ptr);
290static void sx_close (void *ptr); 286static void sx_close(void *ptr);
291static int sx_chars_in_buffer (void * ptr); 287static int sx_chars_in_buffer(void *ptr);
292static int sx_init_board (struct sx_board *board); 288static int sx_init_board(struct sx_board *board);
293static int sx_init_portstructs (int nboards, int nports); 289static int sx_init_portstructs(int nboards, int nports);
294static int sx_fw_ioctl (struct inode *inode, struct file *filp, 290static int sx_fw_ioctl(struct inode *inode, struct file *filp,
295 unsigned int cmd, unsigned long arg); 291 unsigned int cmd, unsigned long arg);
296static int sx_init_drivers(void); 292static int sx_init_drivers(void);
297 293
298
299static struct tty_driver *sx_driver; 294static struct tty_driver *sx_driver;
300 295
301static DEFINE_MUTEX(sx_boards_lock); 296static DEFINE_MUTEX(sx_boards_lock);
@@ -305,7 +300,6 @@ static int sx_initialized;
305static int sx_nports; 300static int sx_nports;
306static int sx_debug; 301static int sx_debug;
307 302
308
309/* You can have the driver poll your card. 303/* You can have the driver poll your card.
310 - Set sx_poll to 1 to poll every timer tick (10ms on Intel). 304 - Set sx_poll to 1 to poll every timer tick (10ms on Intel).
311 This is used when the card cannot use an interrupt for some reason. 305 This is used when the card cannot use an interrupt for some reason.
@@ -330,11 +324,17 @@ static int sx_maxints = 100;
330 or less.... -- REW 324 or less.... -- REW
331 duh: Card at 0xa0000 is possible on HP Netserver?? -- pvdl 325 duh: Card at 0xa0000 is possible on HP Netserver?? -- pvdl
332*/ 326*/
333static int sx_probe_addrs[]= {0xc0000, 0xd0000, 0xe0000, 327static int sx_probe_addrs[] = {
334 0xc8000, 0xd8000, 0xe8000}; 328 0xc0000, 0xd0000, 0xe0000,
335static int si_probe_addrs[]= {0xc0000, 0xd0000, 0xe0000, 329 0xc8000, 0xd8000, 0xe8000
336 0xc8000, 0xd8000, 0xe8000, 0xa0000}; 330};
337static int si1_probe_addrs[]= { 0xd0000}; 331static int si_probe_addrs[] = {
332 0xc0000, 0xd0000, 0xe0000,
333 0xc8000, 0xd8000, 0xe8000, 0xa0000
334};
335static int si1_probe_addrs[] = {
336 0xd0000
337};
338 338
339#define NR_SX_ADDRS ARRAY_SIZE(sx_probe_addrs) 339#define NR_SX_ADDRS ARRAY_SIZE(sx_probe_addrs)
340#define NR_SI_ADDRS ARRAY_SIZE(si_probe_addrs) 340#define NR_SI_ADDRS ARRAY_SIZE(si_probe_addrs)
@@ -362,13 +362,12 @@ static struct real_driver sx_real_driver = {
362 sx_disable_rx_interrupts, 362 sx_disable_rx_interrupts,
363 sx_enable_rx_interrupts, 363 sx_enable_rx_interrupts,
364 sx_get_CD, 364 sx_get_CD,
365 sx_shutdown_port, 365 sx_shutdown_port,
366 sx_set_real_termios, 366 sx_set_real_termios,
367 sx_chars_in_buffer, 367 sx_chars_in_buffer,
368 sx_close, 368 sx_close,
369}; 369};
370 370
371
372/* 371/*
373 This driver can spew a whole lot of debugging output at you. If you 372 This driver can spew a whole lot of debugging output at you. If you
374 need maximum performance, you should disable the DEBUG define. To 373 need maximum performance, you should disable the DEBUG define. To
@@ -379,23 +378,17 @@ static struct real_driver sx_real_driver = {
379*/ 378*/
380#define DEBUG 379#define DEBUG
381 380
382
383#ifdef DEBUG 381#ifdef DEBUG
384#define sx_dprintk(f, str...) if (sx_debug & f) printk (str) 382#define sx_dprintk(f, str...) if (sx_debug & f) printk (str)
385#else 383#else
386#define sx_dprintk(f, str...) /* nothing */ 384#define sx_dprintk(f, str...) /* nothing */
387#endif 385#endif
388 386
387#define func_enter() sx_dprintk(SX_DEBUG_FLOW, "sx: enter %s\n",__FUNCTION__)
388#define func_exit() sx_dprintk(SX_DEBUG_FLOW, "sx: exit %s\n",__FUNCTION__)
389 389
390 390#define func_enter2() sx_dprintk(SX_DEBUG_FLOW, "sx: enter %s (port %d)\n", \
391#define func_enter() sx_dprintk (SX_DEBUG_FLOW, "sx: enter %s\n",__FUNCTION__) 391 __FUNCTION__, port->line)
392#define func_exit() sx_dprintk (SX_DEBUG_FLOW, "sx: exit %s\n", __FUNCTION__)
393
394#define func_enter2() sx_dprintk (SX_DEBUG_FLOW, "sx: enter %s (port %d)\n", \
395 __FUNCTION__, port->line)
396
397
398
399 392
400/* 393/*
401 * Firmware loader driver specific routines 394 * Firmware loader driver specific routines
@@ -403,31 +396,26 @@ static struct real_driver sx_real_driver = {
403 */ 396 */
404 397
405static const struct file_operations sx_fw_fops = { 398static const struct file_operations sx_fw_fops = {
406 .owner = THIS_MODULE, 399 .owner = THIS_MODULE,
407 .ioctl = sx_fw_ioctl, 400 .ioctl = sx_fw_ioctl,
408}; 401};
409 402
410static struct miscdevice sx_fw_device = { 403static struct miscdevice sx_fw_device = {
411 SXCTL_MISC_MINOR, "sxctl", &sx_fw_fops 404 SXCTL_MISC_MINOR, "sxctl", &sx_fw_fops
412}; 405};
413 406
414
415
416
417
418#ifdef SX_PARANOIA_CHECK 407#ifdef SX_PARANOIA_CHECK
419 408
420/* This doesn't work. Who's paranoid around here? Not me! */ 409/* This doesn't work. Who's paranoid around here? Not me! */
421 410
422static inline int sx_paranoia_check(struct sx_port const * port, 411static inline int sx_paranoia_check(struct sx_port const *port,
423 char *name, const char *routine) 412 char *name, const char *routine)
424{ 413{
414 static const char *badmagic = KERN_ERR "sx: Warning: bad sx port magic "
415 "number for device %s in %s\n";
416 static const char *badinfo = KERN_ERR "sx: Warning: null sx port for "
417 "device %s in %s\n";
425 418
426 static const char *badmagic =
427 KERN_ERR "sx: Warning: bad sx port magic number for device %s in %s\n";
428 static const char *badinfo =
429 KERN_ERR "sx: Warning: null sx port for device %s in %s\n";
430
431 if (!port) { 419 if (!port) {
432 printk(badinfo, name, routine); 420 printk(badinfo, name, routine);
433 return 1; 421 return 1;
@@ -450,23 +438,24 @@ static inline int sx_paranoia_check(struct sx_port const * port,
450#define TIMEOUT_1 30 438#define TIMEOUT_1 30
451#define TIMEOUT_2 1000000 439#define TIMEOUT_2 1000000
452 440
453
454#ifdef DEBUG 441#ifdef DEBUG
455static void my_hd_io(void __iomem *p, int len) 442static void my_hd_io(void __iomem *p, int len)
456{ 443{
457 int i, j, ch; 444 int i, j, ch;
458 unsigned char __iomem *addr = p; 445 unsigned char __iomem *addr = p;
459 446
460 for (i=0;i<len;i+=16) { 447 for (i = 0; i < len; i += 16) {
461 printk ("%p ", addr+i); 448 printk("%p ", addr + i);
462 for (j=0;j<16;j++) { 449 for (j = 0; j < 16; j++) {
463 printk ("%02x %s", readb(addr+j+i), (j==7)?" ":""); 450 printk("%02x %s", readb(addr + j + i),
451 (j == 7) ? " " : "");
464 } 452 }
465 for (j=0;j<16;j++) { 453 for (j = 0; j < 16; j++) {
466 ch = readb(addr+j+i); 454 ch = readb(addr + j + i);
467 printk ("%c", (ch < 0x20)?'.':((ch > 0x7f)?'.':ch)); 455 printk("%c", (ch < 0x20) ? '.' :
456 ((ch > 0x7f) ? '.' : ch));
468 } 457 }
469 printk ("\n"); 458 printk("\n");
470 } 459 }
471} 460}
472static void my_hd(void *p, int len) 461static void my_hd(void *p, int len)
@@ -474,419 +463,468 @@ static void my_hd(void *p, int len)
474 int i, j, ch; 463 int i, j, ch;
475 unsigned char *addr = p; 464 unsigned char *addr = p;
476 465
477 for (i=0;i<len;i+=16) { 466 for (i = 0; i < len; i += 16) {
478 printk ("%p ", addr+i); 467 printk("%p ", addr + i);
479 for (j=0;j<16;j++) { 468 for (j = 0; j < 16; j++) {
480 printk ("%02x %s", addr[j+i], (j==7)?" ":""); 469 printk("%02x %s", addr[j + i], (j == 7) ? " " : "");
481 } 470 }
482 for (j=0;j<16;j++) { 471 for (j = 0; j < 16; j++) {
483 ch = addr[j+i]; 472 ch = addr[j + i];
484 printk ("%c", (ch < 0x20)?'.':((ch > 0x7f)?'.':ch)); 473 printk("%c", (ch < 0x20) ? '.' :
474 ((ch > 0x7f) ? '.' : ch));
485 } 475 }
486 printk ("\n"); 476 printk("\n");
487 } 477 }
488} 478}
489#endif 479#endif
490 480
491
492
493/* This needs redoing for Alpha -- REW -- Done. */ 481/* This needs redoing for Alpha -- REW -- Done. */
494 482
495static inline void write_sx_byte (struct sx_board *board, int offset, u8 byte) 483static inline void write_sx_byte(struct sx_board *board, int offset, u8 byte)
496{ 484{
497 writeb (byte, board->base+offset); 485 writeb(byte, board->base + offset);
498} 486}
499 487
500static inline u8 read_sx_byte (struct sx_board *board, int offset) 488static inline u8 read_sx_byte(struct sx_board *board, int offset)
501{ 489{
502 return readb (board->base+offset); 490 return readb(board->base + offset);
503} 491}
504 492
505 493static inline void write_sx_word(struct sx_board *board, int offset, u16 word)
506static inline void write_sx_word (struct sx_board *board, int offset, u16 word)
507{ 494{
508 writew (word, board->base+offset); 495 writew(word, board->base + offset);
509} 496}
510 497
511static inline u16 read_sx_word (struct sx_board *board, int offset) 498static inline u16 read_sx_word(struct sx_board *board, int offset)
512{ 499{
513 return readw (board->base + offset); 500 return readw(board->base + offset);
514} 501}
515 502
516 503static int sx_busy_wait_eq(struct sx_board *board,
517static int sx_busy_wait_eq (struct sx_board *board, 504 int offset, int mask, int correctval)
518 int offset, int mask, int correctval)
519{ 505{
520 int i; 506 int i;
521 507
522 func_enter (); 508 func_enter();
523 509
524 for (i=0; i < TIMEOUT_1 ;i++) 510 for (i = 0; i < TIMEOUT_1; i++)
525 if ((read_sx_byte (board, offset) & mask) == correctval) { 511 if ((read_sx_byte(board, offset) & mask) == correctval) {
526 func_exit (); 512 func_exit();
527 return 1; 513 return 1;
528 } 514 }
529 515
530 for (i=0; i < TIMEOUT_2 ;i++) { 516 for (i = 0; i < TIMEOUT_2; i++) {
531 if ((read_sx_byte (board, offset) & mask) == correctval) { 517 if ((read_sx_byte(board, offset) & mask) == correctval) {
532 func_exit (); 518 func_exit();
533 return 1; 519 return 1;
534 } 520 }
535 udelay (1); 521 udelay(1);
536 } 522 }
537 523
538 func_exit (); 524 func_exit();
539 return 0; 525 return 0;
540} 526}
541 527
542 528static int sx_busy_wait_neq(struct sx_board *board,
543static int sx_busy_wait_neq (struct sx_board *board, 529 int offset, int mask, int badval)
544 int offset, int mask, int badval)
545{ 530{
546 int i; 531 int i;
547 532
548 func_enter (); 533 func_enter();
549 534
550 for (i=0; i < TIMEOUT_1 ;i++) 535 for (i = 0; i < TIMEOUT_1; i++)
551 if ((read_sx_byte (board, offset) & mask) != badval) { 536 if ((read_sx_byte(board, offset) & mask) != badval) {
552 func_exit (); 537 func_exit();
553 return 1; 538 return 1;
554 } 539 }
555 540
556 for (i=0; i < TIMEOUT_2 ;i++) { 541 for (i = 0; i < TIMEOUT_2; i++) {
557 if ((read_sx_byte (board, offset) & mask) != badval) { 542 if ((read_sx_byte(board, offset) & mask) != badval) {
558 func_exit (); 543 func_exit();
559 return 1; 544 return 1;
560 } 545 }
561 udelay (1); 546 udelay(1);
562 } 547 }
563 548
564 func_exit (); 549 func_exit();
565 return 0; 550 return 0;
566} 551}
567 552
568
569
570/* 5.6.4 of 6210028 r2.3 */ 553/* 5.6.4 of 6210028 r2.3 */
571static int sx_reset (struct sx_board *board) 554static int sx_reset(struct sx_board *board)
572{ 555{
573 func_enter (); 556 func_enter();
574 557
575 if (IS_SX_BOARD (board)) { 558 if (IS_SX_BOARD(board)) {
576 559
577 write_sx_byte (board, SX_CONFIG, 0); 560 write_sx_byte(board, SX_CONFIG, 0);
578 write_sx_byte (board, SX_RESET, 1); /* Value doesn't matter */ 561 write_sx_byte(board, SX_RESET, 1); /* Value doesn't matter */
579 562
580 if (!sx_busy_wait_eq (board, SX_RESET_STATUS, 1, 0)) { 563 if (!sx_busy_wait_eq(board, SX_RESET_STATUS, 1, 0)) {
581 printk (KERN_INFO "sx: Card doesn't respond to reset....\n"); 564 printk(KERN_INFO "sx: Card doesn't respond to "
565 "reset...\n");
582 return 0; 566 return 0;
583 } 567 }
584 } else if (IS_EISA_BOARD(board)) { 568 } else if (IS_EISA_BOARD(board)) {
585 outb(board->irq<<4, board->eisa_base+0xc02); 569 outb(board->irq << 4, board->eisa_base + 0xc02);
586 } else if (IS_SI1_BOARD(board)) { 570 } else if (IS_SI1_BOARD(board)) {
587 write_sx_byte (board, SI1_ISA_RESET, 0); // value does not matter 571 write_sx_byte(board, SI1_ISA_RESET, 0); /*value doesn't matter*/
588 } else { 572 } else {
589 /* Gory details of the SI/ISA board */ 573 /* Gory details of the SI/ISA board */
590 write_sx_byte (board, SI2_ISA_RESET, SI2_ISA_RESET_SET); 574 write_sx_byte(board, SI2_ISA_RESET, SI2_ISA_RESET_SET);
591 write_sx_byte (board, SI2_ISA_IRQ11, SI2_ISA_IRQ11_CLEAR); 575 write_sx_byte(board, SI2_ISA_IRQ11, SI2_ISA_IRQ11_CLEAR);
592 write_sx_byte (board, SI2_ISA_IRQ12, SI2_ISA_IRQ12_CLEAR); 576 write_sx_byte(board, SI2_ISA_IRQ12, SI2_ISA_IRQ12_CLEAR);
593 write_sx_byte (board, SI2_ISA_IRQ15, SI2_ISA_IRQ15_CLEAR); 577 write_sx_byte(board, SI2_ISA_IRQ15, SI2_ISA_IRQ15_CLEAR);
594 write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_CLEAR); 578 write_sx_byte(board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_CLEAR);
595 write_sx_byte (board, SI2_ISA_IRQSET, SI2_ISA_IRQSET_CLEAR); 579 write_sx_byte(board, SI2_ISA_IRQSET, SI2_ISA_IRQSET_CLEAR);
596 } 580 }
597 581
598 func_exit (); 582 func_exit();
599 return 1; 583 return 1;
600} 584}
601 585
602
603/* This doesn't work on machines where "NULL" isn't 0 */ 586/* This doesn't work on machines where "NULL" isn't 0 */
604/* If you have one of those, someone will need to write 587/* If you have one of those, someone will need to write
605 the equivalent of this, which will amount to about 3 lines. I don't 588 the equivalent of this, which will amount to about 3 lines. I don't
606 want to complicate this right now. -- REW 589 want to complicate this right now. -- REW
607 (See, I do write comments every now and then :-) */ 590 (See, I do write comments every now and then :-) */
608#define OFFSETOF(strct, elem) ((long)&(((struct strct *)NULL)->elem)) 591#define OFFSETOF(strct, elem) ((long)&(((struct strct *)NULL)->elem))
609
610
611#define CHAN_OFFSET(port,elem) (port->ch_base + OFFSETOF (_SXCHANNEL, elem))
612#define MODU_OFFSET(board,addr,elem) (addr + OFFSETOF (_SXMODULE, elem))
613#define BRD_OFFSET(board,elem) (OFFSETOF (_SXCARD, elem))
614 592
593#define CHAN_OFFSET(port,elem) (port->ch_base + OFFSETOF (_SXCHANNEL, elem))
594#define MODU_OFFSET(board,addr,elem) (addr + OFFSETOF (_SXMODULE, elem))
595#define BRD_OFFSET(board,elem) (OFFSETOF (_SXCARD, elem))
615 596
616#define sx_write_channel_byte(port, elem, val) \ 597#define sx_write_channel_byte(port, elem, val) \
617 write_sx_byte (port->board, CHAN_OFFSET (port, elem), val) 598 write_sx_byte (port->board, CHAN_OFFSET (port, elem), val)
618 599
619#define sx_read_channel_byte(port, elem) \ 600#define sx_read_channel_byte(port, elem) \
620 read_sx_byte (port->board, CHAN_OFFSET (port, elem)) 601 read_sx_byte (port->board, CHAN_OFFSET (port, elem))
621 602
622#define sx_write_channel_word(port, elem, val) \ 603#define sx_write_channel_word(port, elem, val) \
623 write_sx_word (port->board, CHAN_OFFSET (port, elem), val) 604 write_sx_word (port->board, CHAN_OFFSET (port, elem), val)
624 605
625#define sx_read_channel_word(port, elem) \ 606#define sx_read_channel_word(port, elem) \
626 read_sx_word (port->board, CHAN_OFFSET (port, elem)) 607 read_sx_word (port->board, CHAN_OFFSET (port, elem))
627
628 608
629#define sx_write_module_byte(board, addr, elem, val) \ 609#define sx_write_module_byte(board, addr, elem, val) \
630 write_sx_byte (board, MODU_OFFSET (board, addr, elem), val) 610 write_sx_byte (board, MODU_OFFSET (board, addr, elem), val)
631 611
632#define sx_read_module_byte(board, addr, elem) \ 612#define sx_read_module_byte(board, addr, elem) \
633 read_sx_byte (board, MODU_OFFSET (board, addr, elem)) 613 read_sx_byte (board, MODU_OFFSET (board, addr, elem))
634 614
635#define sx_write_module_word(board, addr, elem, val) \ 615#define sx_write_module_word(board, addr, elem, val) \
636 write_sx_word (board, MODU_OFFSET (board, addr, elem), val) 616 write_sx_word (board, MODU_OFFSET (board, addr, elem), val)
637 617
638#define sx_read_module_word(board, addr, elem) \ 618#define sx_read_module_word(board, addr, elem) \
639 read_sx_word (board, MODU_OFFSET (board, addr, elem)) 619 read_sx_word (board, MODU_OFFSET (board, addr, elem))
640
641 620
642#define sx_write_board_byte(board, elem, val) \ 621#define sx_write_board_byte(board, elem, val) \
643 write_sx_byte (board, BRD_OFFSET (board, elem), val) 622 write_sx_byte (board, BRD_OFFSET (board, elem), val)
644 623
645#define sx_read_board_byte(board, elem) \ 624#define sx_read_board_byte(board, elem) \
646 read_sx_byte (board, BRD_OFFSET (board, elem)) 625 read_sx_byte (board, BRD_OFFSET (board, elem))
647 626
648#define sx_write_board_word(board, elem, val) \ 627#define sx_write_board_word(board, elem, val) \
649 write_sx_word (board, BRD_OFFSET (board, elem), val) 628 write_sx_word (board, BRD_OFFSET (board, elem), val)
650 629
651#define sx_read_board_word(board, elem) \ 630#define sx_read_board_word(board, elem) \
652 read_sx_word (board, BRD_OFFSET (board, elem)) 631 read_sx_word (board, BRD_OFFSET (board, elem))
653
654 632
655static int sx_start_board (struct sx_board *board) 633static int sx_start_board(struct sx_board *board)
656{ 634{
657 if (IS_SX_BOARD (board)) { 635 if (IS_SX_BOARD(board)) {
658 write_sx_byte (board, SX_CONFIG, SX_CONF_BUSEN); 636 write_sx_byte(board, SX_CONFIG, SX_CONF_BUSEN);
659 } else if (IS_EISA_BOARD(board)) { 637 } else if (IS_EISA_BOARD(board)) {
660 write_sx_byte(board, SI2_EISA_OFF, SI2_EISA_VAL); 638 write_sx_byte(board, SI2_EISA_OFF, SI2_EISA_VAL);
661 outb((board->irq<<4)|4, board->eisa_base+0xc02); 639 outb((board->irq << 4) | 4, board->eisa_base + 0xc02);
662 } else if (IS_SI1_BOARD(board)) { 640 } else if (IS_SI1_BOARD(board)) {
663 write_sx_byte (board, SI1_ISA_RESET_CLEAR, 0); 641 write_sx_byte(board, SI1_ISA_RESET_CLEAR, 0);
664 write_sx_byte (board, SI1_ISA_INTCL, 0); 642 write_sx_byte(board, SI1_ISA_INTCL, 0);
665 } else { 643 } else {
666 /* Don't bug me about the clear_set. 644 /* Don't bug me about the clear_set.
667 I haven't the foggiest idea what it's about -- REW */ 645 I haven't the foggiest idea what it's about -- REW */
668 write_sx_byte (board, SI2_ISA_RESET, SI2_ISA_RESET_CLEAR); 646 write_sx_byte(board, SI2_ISA_RESET, SI2_ISA_RESET_CLEAR);
669 write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET); 647 write_sx_byte(board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET);
670 } 648 }
671 return 1; 649 return 1;
672} 650}
673 651
674#define SX_IRQ_REG_VAL(board) \ 652#define SX_IRQ_REG_VAL(board) \
675 ((board->flags & SX_ISA_BOARD)?(board->irq << 4):0) 653 ((board->flags & SX_ISA_BOARD) ? (board->irq << 4) : 0)
676 654
677/* Note. The SX register is write-only. Therefore, we have to enable the 655/* Note. The SX register is write-only. Therefore, we have to enable the
678 bus too. This is a no-op, if you don't mess with this driver... */ 656 bus too. This is a no-op, if you don't mess with this driver... */
679static int sx_start_interrupts (struct sx_board *board) 657static int sx_start_interrupts(struct sx_board *board)
680{ 658{
681 659
682 /* Don't call this with board->irq == 0 */ 660 /* Don't call this with board->irq == 0 */
683 661
684 if (IS_SX_BOARD(board)) { 662 if (IS_SX_BOARD(board)) {
685 write_sx_byte (board, SX_CONFIG, SX_IRQ_REG_VAL (board) | 663 write_sx_byte(board, SX_CONFIG, SX_IRQ_REG_VAL(board) |
686 SX_CONF_BUSEN | 664 SX_CONF_BUSEN | SX_CONF_HOSTIRQ);
687 SX_CONF_HOSTIRQ);
688 } else if (IS_EISA_BOARD(board)) { 665 } else if (IS_EISA_BOARD(board)) {
689 inb(board->eisa_base+0xc03); 666 inb(board->eisa_base + 0xc03);
690 } else if (IS_SI1_BOARD(board)) { 667 } else if (IS_SI1_BOARD(board)) {
691 write_sx_byte (board, SI1_ISA_INTCL,0); 668 write_sx_byte(board, SI1_ISA_INTCL, 0);
692 write_sx_byte (board, SI1_ISA_INTCL_CLEAR,0); 669 write_sx_byte(board, SI1_ISA_INTCL_CLEAR, 0);
693 } else { 670 } else {
694 switch (board->irq) { 671 switch (board->irq) {
695 case 11:write_sx_byte (board, SI2_ISA_IRQ11, SI2_ISA_IRQ11_SET);break; 672 case 11:
696 case 12:write_sx_byte (board, SI2_ISA_IRQ12, SI2_ISA_IRQ12_SET);break; 673 write_sx_byte(board, SI2_ISA_IRQ11, SI2_ISA_IRQ11_SET);
697 case 15:write_sx_byte (board, SI2_ISA_IRQ15, SI2_ISA_IRQ15_SET);break; 674 break;
698 default:printk (KERN_INFO "sx: SI/XIO card doesn't support interrupt %d.\n", 675 case 12:
699 board->irq); 676 write_sx_byte(board, SI2_ISA_IRQ12, SI2_ISA_IRQ12_SET);
700 return 0; 677 break;
678 case 15:
679 write_sx_byte(board, SI2_ISA_IRQ15, SI2_ISA_IRQ15_SET);
680 break;
681 default:
682 printk(KERN_INFO "sx: SI/XIO card doesn't support "
683 "interrupt %d.\n", board->irq);
684 return 0;
701 } 685 }
702 write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET); 686 write_sx_byte(board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET);
703 } 687 }
704 688
705 return 1; 689 return 1;
706} 690}
707 691
708 692static int sx_send_command(struct sx_port *port,
709static int sx_send_command (struct sx_port *port, 693 int command, int mask, int newstat)
710 int command, int mask, int newstat)
711{ 694{
712 func_enter2 (); 695 func_enter2();
713 write_sx_byte (port->board, CHAN_OFFSET (port, hi_hstat), command); 696 write_sx_byte(port->board, CHAN_OFFSET(port, hi_hstat), command);
714 func_exit (); 697 func_exit();
715 return sx_busy_wait_eq (port->board, CHAN_OFFSET (port, hi_hstat), mask, newstat); 698 return sx_busy_wait_eq(port->board, CHAN_OFFSET(port, hi_hstat), mask,
699 newstat);
716} 700}
717 701
718 702static char *mod_type_s(int module_type)
719static char *mod_type_s (int module_type)
720{ 703{
721 switch (module_type) { 704 switch (module_type) {
722 case TA4: return "TA4"; 705 case TA4:
723 case TA8: return "TA8"; 706 return "TA4";
724 case TA4_ASIC: return "TA4_ASIC"; 707 case TA8:
725 case TA8_ASIC: return "TA8_ASIC"; 708 return "TA8";
726 case MTA_CD1400:return "MTA_CD1400"; 709 case TA4_ASIC:
727 case SXDC: return "SXDC"; 710 return "TA4_ASIC";
728 default:return "Unknown/invalid"; 711 case TA8_ASIC:
712 return "TA8_ASIC";
713 case MTA_CD1400:
714 return "MTA_CD1400";
715 case SXDC:
716 return "SXDC";
717 default:
718 return "Unknown/invalid";
729 } 719 }
730} 720}
731 721
732 722static char *pan_type_s(int pan_type)
733static char *pan_type_s (int pan_type)
734{ 723{
735 switch (pan_type) { 724 switch (pan_type) {
736 case MOD_RS232DB25: return "MOD_RS232DB25"; 725 case MOD_RS232DB25:
737 case MOD_RS232RJ45: return "MOD_RS232RJ45"; 726 return "MOD_RS232DB25";
738 case MOD_RS422DB25: return "MOD_RS422DB25"; 727 case MOD_RS232RJ45:
739 case MOD_PARALLEL: return "MOD_PARALLEL"; 728 return "MOD_RS232RJ45";
740 case MOD_2_RS232DB25: return "MOD_2_RS232DB25"; 729 case MOD_RS422DB25:
741 case MOD_2_RS232RJ45: return "MOD_2_RS232RJ45"; 730 return "MOD_RS422DB25";
742 case MOD_2_RS422DB25: return "MOD_2_RS422DB25"; 731 case MOD_PARALLEL:
743 case MOD_RS232DB25MALE: return "MOD_RS232DB25MALE"; 732 return "MOD_PARALLEL";
744 case MOD_2_PARALLEL: return "MOD_2_PARALLEL"; 733 case MOD_2_RS232DB25:
745 case MOD_BLANK: return "empty"; 734 return "MOD_2_RS232DB25";
746 default:return "invalid"; 735 case MOD_2_RS232RJ45:
736 return "MOD_2_RS232RJ45";
737 case MOD_2_RS422DB25:
738 return "MOD_2_RS422DB25";
739 case MOD_RS232DB25MALE:
740 return "MOD_RS232DB25MALE";
741 case MOD_2_PARALLEL:
742 return "MOD_2_PARALLEL";
743 case MOD_BLANK:
744 return "empty";
745 default:
746 return "invalid";
747 } 747 }
748} 748}
749 749
750 750static int mod_compat_type(int module_type)
751static int mod_compat_type (int module_type)
752{ 751{
753 return module_type >> 4; 752 return module_type >> 4;
754} 753}
755 754
756static void sx_reconfigure_port(struct sx_port *port) 755static void sx_reconfigure_port(struct sx_port *port)
757{ 756{
758 if (sx_read_channel_byte (port, hi_hstat) == HS_IDLE_OPEN) { 757 if (sx_read_channel_byte(port, hi_hstat) == HS_IDLE_OPEN) {
759 if (sx_send_command (port, HS_CONFIG, -1, HS_IDLE_OPEN) != 1) { 758 if (sx_send_command(port, HS_CONFIG, -1, HS_IDLE_OPEN) != 1) {
760 printk (KERN_WARNING "sx: Sent reconfigure command, but card didn't react.\n"); 759 printk(KERN_WARNING "sx: Sent reconfigure command, but "
760 "card didn't react.\n");
761 } 761 }
762 } else { 762 } else {
763 sx_dprintk (SX_DEBUG_TERMIOS, 763 sx_dprintk(SX_DEBUG_TERMIOS, "sx: Not sending reconfigure: "
764 "sx: Not sending reconfigure: port isn't open (%02x).\n", 764 "port isn't open (%02x).\n",
765 sx_read_channel_byte (port, hi_hstat)); 765 sx_read_channel_byte(port, hi_hstat));
766 } 766 }
767} 767}
768 768
769static void sx_setsignals (struct sx_port *port, int dtr, int rts) 769static void sx_setsignals(struct sx_port *port, int dtr, int rts)
770{ 770{
771 int t; 771 int t;
772 func_enter2 (); 772 func_enter2();
773 773
774 t = sx_read_channel_byte (port, hi_op); 774 t = sx_read_channel_byte(port, hi_op);
775 if (dtr >= 0) t = dtr? (t | OP_DTR): (t & ~OP_DTR); 775 if (dtr >= 0)
776 if (rts >= 0) t = rts? (t | OP_RTS): (t & ~OP_RTS); 776 t = dtr ? (t | OP_DTR) : (t & ~OP_DTR);
777 sx_write_channel_byte (port, hi_op, t); 777 if (rts >= 0)
778 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "setsignals: %d/%d\n", dtr, rts); 778 t = rts ? (t | OP_RTS) : (t & ~OP_RTS);
779 sx_write_channel_byte(port, hi_op, t);
780 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "setsignals: %d/%d\n", dtr, rts);
779 781
780 func_exit (); 782 func_exit();
781} 783}
782 784
783 785static int sx_getsignals(struct sx_port *port)
784
785static int sx_getsignals (struct sx_port *port)
786{ 786{
787 int i_stat,o_stat; 787 int i_stat, o_stat;
788 788
789 o_stat = sx_read_channel_byte (port, hi_op); 789 o_stat = sx_read_channel_byte(port, hi_op);
790 i_stat = sx_read_channel_byte (port, hi_ip); 790 i_stat = sx_read_channel_byte(port, hi_ip);
791 791
792 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "getsignals: %d/%d (%d/%d) %02x/%02x\n", 792 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "getsignals: %d/%d (%d/%d) "
793 (o_stat & OP_DTR) != 0, (o_stat & OP_RTS) != 0, 793 "%02x/%02x\n",
794 port->c_dcd, sx_get_CD (port), 794 (o_stat & OP_DTR) != 0, (o_stat & OP_RTS) != 0,
795 sx_read_channel_byte (port, hi_ip), 795 port->c_dcd, sx_get_CD(port),
796 sx_read_channel_byte (port, hi_state)); 796 sx_read_channel_byte(port, hi_ip),
797 797 sx_read_channel_byte(port, hi_state));
798 return (((o_stat & OP_DTR)?TIOCM_DTR:0) | 798
799 ((o_stat & OP_RTS)?TIOCM_RTS:0) | 799 return (((o_stat & OP_DTR) ? TIOCM_DTR : 0) |
800 ((i_stat & IP_CTS)?TIOCM_CTS:0) | 800 ((o_stat & OP_RTS) ? TIOCM_RTS : 0) |
801 ((i_stat & IP_DCD)?TIOCM_CAR:0) | 801 ((i_stat & IP_CTS) ? TIOCM_CTS : 0) |
802 ((i_stat & IP_DSR)?TIOCM_DSR:0) | 802 ((i_stat & IP_DCD) ? TIOCM_CAR : 0) |
803 ((i_stat & IP_RI)?TIOCM_RNG:0) 803 ((i_stat & IP_DSR) ? TIOCM_DSR : 0) |
804 ); 804 ((i_stat & IP_RI) ? TIOCM_RNG : 0));
805} 805}
806 806
807 807static void sx_set_baud(struct sx_port *port)
808static void sx_set_baud (struct sx_port *port)
809{ 808{
810 int t; 809 int t;
811 810
812 if (port->board->ta_type == MOD_SXDC) { 811 if (port->board->ta_type == MOD_SXDC) {
813 switch (port->gs.baud) { 812 switch (port->gs.baud) {
814 /* Save some typing work... */ 813 /* Save some typing work... */
815#define e(x) case x:t= BAUD_ ## x ; break 814#define e(x) case x: t = BAUD_ ## x; break
816 e(50);e(75);e(110);e(150);e(200);e(300);e(600); 815 e(50);
817 e(1200);e(1800);e(2000);e(2400);e(4800);e(7200); 816 e(75);
818 e(9600);e(14400);e(19200);e(28800);e(38400); 817 e(110);
819 e(56000);e(57600);e(64000);e(76800);e(115200); 818 e(150);
820 e(128000);e(150000);e(230400);e(256000);e(460800); 819 e(200);
821 e(921600); 820 e(300);
822 case 134 :t = BAUD_134_5; break; 821 e(600);
823 case 0 :t = -1; 822 e(1200);
824 break; 823 e(1800);
824 e(2000);
825 e(2400);
826 e(4800);
827 e(7200);
828 e(9600);
829 e(14400);
830 e(19200);
831 e(28800);
832 e(38400);
833 e(56000);
834 e(57600);
835 e(64000);
836 e(76800);
837 e(115200);
838 e(128000);
839 e(150000);
840 e(230400);
841 e(256000);
842 e(460800);
843 e(921600);
844 case 134:
845 t = BAUD_134_5;
846 break;
847 case 0:
848 t = -1;
849 break;
825 default: 850 default:
826 /* Can I return "invalid"? */ 851 /* Can I return "invalid"? */
827 t = BAUD_9600; 852 t = BAUD_9600;
828 printk (KERN_INFO "sx: unsupported baud rate: %d.\n", port->gs.baud); 853 printk(KERN_INFO "sx: unsupported baud rate: %d.\n",
854 port->gs.baud);
829 break; 855 break;
830 } 856 }
831#undef e 857#undef e
832 if (t > 0) { 858 if (t > 0) {
833 /* The baud rate is not set to 0, so we're enabeling DTR... -- REW */ 859/* The baud rate is not set to 0, so we're enabeling DTR... -- REW */
834 sx_setsignals (port, 1, -1); 860 sx_setsignals(port, 1, -1);
835 /* XXX This is not TA & MTA compatible */ 861 /* XXX This is not TA & MTA compatible */
836 sx_write_channel_byte (port, hi_csr, 0xff); 862 sx_write_channel_byte(port, hi_csr, 0xff);
837 863
838 sx_write_channel_byte (port, hi_txbaud, t); 864 sx_write_channel_byte(port, hi_txbaud, t);
839 sx_write_channel_byte (port, hi_rxbaud, t); 865 sx_write_channel_byte(port, hi_rxbaud, t);
840 } else { 866 } else {
841 sx_setsignals (port, 0, -1); 867 sx_setsignals(port, 0, -1);
842 } 868 }
843 } else { 869 } else {
844 switch (port->gs.baud) { 870 switch (port->gs.baud) {
845#define e(x) case x:t= CSR_ ## x ; break 871#define e(x) case x: t = CSR_ ## x; break
846 e(75);e(150);e(300);e(600);e(1200);e(2400);e(4800); 872 e(75);
847 e(1800);e(9600); 873 e(150);
848 e(19200);e(57600);e(38400); 874 e(300);
849 /* TA supports 110, but not 115200, MTA supports 115200, but not 110 */ 875 e(600);
850 case 110: 876 e(1200);
877 e(2400);
878 e(4800);
879 e(1800);
880 e(9600);
881 e(19200);
882 e(57600);
883 e(38400);
884/* TA supports 110, but not 115200, MTA supports 115200, but not 110 */
885 case 110:
851 if (port->board->ta_type == MOD_TA) { 886 if (port->board->ta_type == MOD_TA) {
852 t = CSR_110; 887 t = CSR_110;
853 break; 888 break;
854 } else { 889 } else {
855 t = CSR_9600; 890 t = CSR_9600;
856 printk (KERN_INFO "sx: Unsupported baud rate: %d.\n", port->gs.baud); 891 printk(KERN_INFO "sx: Unsupported baud rate: "
892 "%d.\n", port->gs.baud);
857 break; 893 break;
858 } 894 }
859 case 115200: 895 case 115200:
860 if (port->board->ta_type == MOD_TA) { 896 if (port->board->ta_type == MOD_TA) {
861 t = CSR_9600; 897 t = CSR_9600;
862 printk (KERN_INFO "sx: Unsupported baud rate: %d.\n", port->gs.baud); 898 printk(KERN_INFO "sx: Unsupported baud rate: "
899 "%d.\n", port->gs.baud);
863 break; 900 break;
864 } else { 901 } else {
865 t = CSR_110; 902 t = CSR_110;
866 break; 903 break;
867 } 904 }
868 case 0 :t = -1; 905 case 0:
869 break; 906 t = -1;
907 break;
870 default: 908 default:
871 t = CSR_9600; 909 t = CSR_9600;
872 printk (KERN_INFO "sx: Unsupported baud rate: %d.\n", port->gs.baud); 910 printk(KERN_INFO "sx: Unsupported baud rate: %d.\n",
911 port->gs.baud);
873 break; 912 break;
874 } 913 }
875#undef e 914#undef e
876 if (t >= 0) { 915 if (t >= 0) {
877 sx_setsignals (port, 1, -1); 916 sx_setsignals(port, 1, -1);
878 sx_write_channel_byte (port, hi_csr, t * 0x11); 917 sx_write_channel_byte(port, hi_csr, t * 0x11);
879 } else { 918 } else {
880 sx_setsignals (port, 0, -1); 919 sx_setsignals(port, 0, -1);
881 } 920 }
882 } 921 }
883} 922}
884 923
885
886/* Simon Allen's version of this routine was 225 lines long. 85 is a lot 924/* Simon Allen's version of this routine was 225 lines long. 85 is a lot
887 better. -- REW */ 925 better. -- REW */
888 926
889static int sx_set_real_termios (void *ptr) 927static int sx_set_real_termios(void *ptr)
890{ 928{
891 struct sx_port *port = ptr; 929 struct sx_port *port = ptr;
892 930
@@ -901,80 +939,83 @@ static int sx_set_real_termios (void *ptr)
901 belongs (next to the drop dtr if baud == 0) -- REW */ 939 belongs (next to the drop dtr if baud == 0) -- REW */
902 /* sx_setsignals (port, 1, -1); */ 940 /* sx_setsignals (port, 1, -1); */
903 941
904 sx_set_baud (port); 942 sx_set_baud(port);
905 943
906#define CFLAG port->gs.tty->termios->c_cflag 944#define CFLAG port->gs.tty->termios->c_cflag
907 sx_write_channel_byte (port, hi_mr1, 945 sx_write_channel_byte(port, hi_mr1,
908 (C_PARENB (port->gs.tty)? MR1_WITH:MR1_NONE) | 946 (C_PARENB(port->gs.tty) ? MR1_WITH : MR1_NONE) |
909 (C_PARODD (port->gs.tty)? MR1_ODD:MR1_EVEN) | 947 (C_PARODD(port->gs.tty) ? MR1_ODD : MR1_EVEN) |
910 (C_CRTSCTS(port->gs.tty)? MR1_RTS_RXFLOW:0) | 948 (C_CRTSCTS(port->gs.tty) ? MR1_RTS_RXFLOW : 0) |
911 (((CFLAG & CSIZE)==CS8) ? MR1_8_BITS:0) | 949 (((CFLAG & CSIZE) == CS8) ? MR1_8_BITS : 0) |
912 (((CFLAG & CSIZE)==CS7) ? MR1_7_BITS:0) | 950 (((CFLAG & CSIZE) == CS7) ? MR1_7_BITS : 0) |
913 (((CFLAG & CSIZE)==CS6) ? MR1_6_BITS:0) | 951 (((CFLAG & CSIZE) == CS6) ? MR1_6_BITS : 0) |
914 (((CFLAG & CSIZE)==CS5) ? MR1_5_BITS:0) ); 952 (((CFLAG & CSIZE) == CS5) ? MR1_5_BITS : 0));
915 953
916 sx_write_channel_byte (port, hi_mr2, 954 sx_write_channel_byte(port, hi_mr2,
917 (C_CRTSCTS(port->gs.tty)?MR2_CTS_TXFLOW:0) | 955 (C_CRTSCTS(port->gs.tty) ? MR2_CTS_TXFLOW : 0) |
918 (C_CSTOPB (port->gs.tty)?MR2_2_STOP:MR2_1_STOP)); 956 (C_CSTOPB(port->gs.tty) ? MR2_2_STOP :
957 MR2_1_STOP));
919 958
920 switch (CFLAG & CSIZE) { 959 switch (CFLAG & CSIZE) {
921 case CS8:sx_write_channel_byte (port, hi_mask, 0xff);break; 960 case CS8:
922 case CS7:sx_write_channel_byte (port, hi_mask, 0x7f);break; 961 sx_write_channel_byte(port, hi_mask, 0xff);
923 case CS6:sx_write_channel_byte (port, hi_mask, 0x3f);break; 962 break;
924 case CS5:sx_write_channel_byte (port, hi_mask, 0x1f);break; 963 case CS7:
964 sx_write_channel_byte(port, hi_mask, 0x7f);
965 break;
966 case CS6:
967 sx_write_channel_byte(port, hi_mask, 0x3f);
968 break;
969 case CS5:
970 sx_write_channel_byte(port, hi_mask, 0x1f);
971 break;
925 default: 972 default:
926 printk (KERN_INFO "sx: Invalid wordsize: %u\n", CFLAG & CSIZE); 973 printk(KERN_INFO "sx: Invalid wordsize: %u\n", CFLAG & CSIZE);
927 break; 974 break;
928 } 975 }
929 976
930 sx_write_channel_byte (port, hi_prtcl, 977 sx_write_channel_byte(port, hi_prtcl,
931 (I_IXON (port->gs.tty)?SP_TXEN:0) | 978 (I_IXON(port->gs.tty) ? SP_TXEN : 0) |
932 (I_IXOFF (port->gs.tty)?SP_RXEN:0) | 979 (I_IXOFF(port->gs.tty) ? SP_RXEN : 0) |
933 (I_IXANY (port->gs.tty)?SP_TANY:0) | 980 (I_IXANY(port->gs.tty) ? SP_TANY : 0) | SP_DCEN);
934 SP_DCEN);
935 981
936 sx_write_channel_byte (port, hi_break, 982 sx_write_channel_byte(port, hi_break,
937 (I_IGNBRK(port->gs.tty)?BR_IGN:0 | 983 (I_IGNBRK(port->gs.tty) ? BR_IGN : 0 |
938 I_BRKINT(port->gs.tty)?BR_INT:0)); 984 I_BRKINT(port->gs.tty) ? BR_INT : 0));
939 985
940 sx_write_channel_byte (port, hi_txon, START_CHAR (port->gs.tty)); 986 sx_write_channel_byte(port, hi_txon, START_CHAR(port->gs.tty));
941 sx_write_channel_byte (port, hi_rxon, START_CHAR (port->gs.tty)); 987 sx_write_channel_byte(port, hi_rxon, START_CHAR(port->gs.tty));
942 sx_write_channel_byte (port, hi_txoff, STOP_CHAR (port->gs.tty)); 988 sx_write_channel_byte(port, hi_txoff, STOP_CHAR(port->gs.tty));
943 sx_write_channel_byte (port, hi_rxoff, STOP_CHAR (port->gs.tty)); 989 sx_write_channel_byte(port, hi_rxoff, STOP_CHAR(port->gs.tty));
944 990
945 sx_reconfigure_port(port); 991 sx_reconfigure_port(port);
946 992
947 /* Tell line discipline whether we will do input cooking */ 993 /* Tell line discipline whether we will do input cooking */
948 if(I_OTHER(port->gs.tty)) { 994 if (I_OTHER(port->gs.tty)) {
949 clear_bit(TTY_HW_COOK_IN, &port->gs.tty->flags); 995 clear_bit(TTY_HW_COOK_IN, &port->gs.tty->flags);
950 } else { 996 } else {
951 set_bit(TTY_HW_COOK_IN, &port->gs.tty->flags); 997 set_bit(TTY_HW_COOK_IN, &port->gs.tty->flags);
952 } 998 }
953 sx_dprintk (SX_DEBUG_TERMIOS, "iflags: %x(%d) ", 999 sx_dprintk(SX_DEBUG_TERMIOS, "iflags: %x(%d) ",
954 port->gs.tty->termios->c_iflag, 1000 port->gs.tty->termios->c_iflag, I_OTHER(port->gs.tty));
955 I_OTHER(port->gs.tty));
956
957 1001
958/* Tell line discipline whether we will do output cooking. 1002/* Tell line discipline whether we will do output cooking.
959 * If OPOST is set and no other output flags are set then we can do output 1003 * If OPOST is set and no other output flags are set then we can do output
960 * processing. Even if only *one* other flag in the O_OTHER group is set 1004 * processing. Even if only *one* other flag in the O_OTHER group is set
961 * we do cooking in software. 1005 * we do cooking in software.
962 */ 1006 */
963 if(O_OPOST(port->gs.tty) && !O_OTHER(port->gs.tty)) { 1007 if (O_OPOST(port->gs.tty) && !O_OTHER(port->gs.tty)) {
964 set_bit(TTY_HW_COOK_OUT, &port->gs.tty->flags); 1008 set_bit(TTY_HW_COOK_OUT, &port->gs.tty->flags);
965 } else { 1009 } else {
966 clear_bit(TTY_HW_COOK_OUT, &port->gs.tty->flags); 1010 clear_bit(TTY_HW_COOK_OUT, &port->gs.tty->flags);
967 } 1011 }
968 sx_dprintk (SX_DEBUG_TERMIOS, "oflags: %x(%d)\n", 1012 sx_dprintk(SX_DEBUG_TERMIOS, "oflags: %x(%d)\n",
969 port->gs.tty->termios->c_oflag, 1013 port->gs.tty->termios->c_oflag, O_OTHER(port->gs.tty));
970 O_OTHER(port->gs.tty));
971 /* port->c_dcd = sx_get_CD (port); */ 1014 /* port->c_dcd = sx_get_CD (port); */
972 func_exit (); 1015 func_exit();
973 return 0; 1016 return 0;
974} 1017}
975 1018
976
977
978/* ********************************************************************** * 1019/* ********************************************************************** *
979 * the interrupt related routines * 1020 * the interrupt related routines *
980 * ********************************************************************** */ 1021 * ********************************************************************** */
@@ -990,245 +1031,260 @@ static int sx_set_real_termios (void *ptr)
990 know I'm dead against that, but I think it is required in this 1031 know I'm dead against that, but I think it is required in this
991 case. */ 1032 case. */
992 1033
993 1034static void sx_transmit_chars(struct sx_port *port)
994static void sx_transmit_chars (struct sx_port *port)
995{ 1035{
996 int c; 1036 int c;
997 int tx_ip; 1037 int tx_ip;
998 int txroom; 1038 int txroom;
999 1039
1000 func_enter2 (); 1040 func_enter2();
1001 sx_dprintk (SX_DEBUG_TRANSMIT, "Port %p: transmit %d chars\n", 1041 sx_dprintk(SX_DEBUG_TRANSMIT, "Port %p: transmit %d chars\n",
1002 port, port->gs.xmit_cnt); 1042 port, port->gs.xmit_cnt);
1003 1043
1004 if (test_and_set_bit (SX_PORT_TRANSMIT_LOCK, &port->locks)) { 1044 if (test_and_set_bit(SX_PORT_TRANSMIT_LOCK, &port->locks)) {
1005 return; 1045 return;
1006 } 1046 }
1007 1047
1008 while (1) { 1048 while (1) {
1009 c = port->gs.xmit_cnt; 1049 c = port->gs.xmit_cnt;
1010 1050
1011 sx_dprintk (SX_DEBUG_TRANSMIT, "Copying %d ", c); 1051 sx_dprintk(SX_DEBUG_TRANSMIT, "Copying %d ", c);
1012 tx_ip = sx_read_channel_byte (port, hi_txipos); 1052 tx_ip = sx_read_channel_byte(port, hi_txipos);
1013 1053
1014 /* Took me 5 minutes to deduce this formula. 1054 /* Took me 5 minutes to deduce this formula.
1015 Luckily it is literally in the manual in section 6.5.4.3.5 */ 1055 Luckily it is literally in the manual in section 6.5.4.3.5 */
1016 txroom = (sx_read_channel_byte (port, hi_txopos) - tx_ip - 1) & 0xff; 1056 txroom = (sx_read_channel_byte(port, hi_txopos) - tx_ip - 1) &
1057 0xff;
1017 1058
1018 /* Don't copy more bytes than there is room for in the buffer */ 1059 /* Don't copy more bytes than there is room for in the buffer */
1019 if (c > txroom) 1060 if (c > txroom)
1020 c = txroom; 1061 c = txroom;
1021 sx_dprintk (SX_DEBUG_TRANSMIT, " %d(%d) ", c, txroom ); 1062 sx_dprintk(SX_DEBUG_TRANSMIT, " %d(%d) ", c, txroom);
1022 1063
1023 /* Don't copy past the end of the hardware transmit buffer */ 1064 /* Don't copy past the end of the hardware transmit buffer */
1024 if (c > 0x100 - tx_ip) 1065 if (c > 0x100 - tx_ip)
1025 c = 0x100 - tx_ip; 1066 c = 0x100 - tx_ip;
1026 1067
1027 sx_dprintk (SX_DEBUG_TRANSMIT, " %d(%d) ", c, 0x100-tx_ip ); 1068 sx_dprintk(SX_DEBUG_TRANSMIT, " %d(%d) ", c, 0x100 - tx_ip);
1028 1069
1029 /* Don't copy pas the end of the source buffer */ 1070 /* Don't copy pas the end of the source buffer */
1030 if (c > SERIAL_XMIT_SIZE - port->gs.xmit_tail) 1071 if (c > SERIAL_XMIT_SIZE - port->gs.xmit_tail)
1031 c = SERIAL_XMIT_SIZE - port->gs.xmit_tail; 1072 c = SERIAL_XMIT_SIZE - port->gs.xmit_tail;
1032 1073
1033 sx_dprintk (SX_DEBUG_TRANSMIT, " %d(%ld) \n", 1074 sx_dprintk(SX_DEBUG_TRANSMIT, " %d(%ld) \n",
1034 c, SERIAL_XMIT_SIZE- port->gs.xmit_tail); 1075 c, SERIAL_XMIT_SIZE - port->gs.xmit_tail);
1035
1036 /* If for one reason or another, we can't copy more data, we're done! */
1037 if (c == 0) break;
1038 1076
1077 /* If for one reason or another, we can't copy more data, we're
1078 done! */
1079 if (c == 0)
1080 break;
1039 1081
1040 memcpy_toio (port->board->base + CHAN_OFFSET(port,hi_txbuf) + tx_ip, 1082 memcpy_toio(port->board->base + CHAN_OFFSET(port, hi_txbuf) +
1041 port->gs.xmit_buf + port->gs.xmit_tail, c); 1083 tx_ip, port->gs.xmit_buf + port->gs.xmit_tail, c);
1042 1084
1043 /* Update the pointer in the card */ 1085 /* Update the pointer in the card */
1044 sx_write_channel_byte (port, hi_txipos, (tx_ip+c) & 0xff); 1086 sx_write_channel_byte(port, hi_txipos, (tx_ip + c) & 0xff);
1045 1087
1046 /* Update the kernel buffer end */ 1088 /* Update the kernel buffer end */
1047 port->gs.xmit_tail = (port->gs.xmit_tail + c) & (SERIAL_XMIT_SIZE-1); 1089 port->gs.xmit_tail = (port->gs.xmit_tail + c) &
1090 (SERIAL_XMIT_SIZE - 1);
1048 1091
1049 /* This one last. (this is essential) 1092 /* This one last. (this is essential)
1050 It would allow others to start putting more data into the buffer! */ 1093 It would allow others to start putting more data into the
1094 buffer! */
1051 port->gs.xmit_cnt -= c; 1095 port->gs.xmit_cnt -= c;
1052 } 1096 }
1053 1097
1054 if (port->gs.xmit_cnt == 0) { 1098 if (port->gs.xmit_cnt == 0) {
1055 sx_disable_tx_interrupts (port); 1099 sx_disable_tx_interrupts(port);
1056 } 1100 }
1057 1101
1058 if ((port->gs.xmit_cnt <= port->gs.wakeup_chars) && port->gs.tty) { 1102 if ((port->gs.xmit_cnt <= port->gs.wakeup_chars) && port->gs.tty) {
1059 tty_wakeup(port->gs.tty); 1103 tty_wakeup(port->gs.tty);
1060 sx_dprintk (SX_DEBUG_TRANSMIT, "Waking up.... ldisc (%d)....\n", 1104 sx_dprintk(SX_DEBUG_TRANSMIT, "Waking up.... ldisc (%d)....\n",
1061 port->gs.wakeup_chars); 1105 port->gs.wakeup_chars);
1062 } 1106 }
1063 1107
1064 clear_bit (SX_PORT_TRANSMIT_LOCK, &port->locks); 1108 clear_bit(SX_PORT_TRANSMIT_LOCK, &port->locks);
1065 func_exit (); 1109 func_exit();
1066} 1110}
1067 1111
1068
1069/* Note the symmetry between receiving chars and transmitting them! 1112/* Note the symmetry between receiving chars and transmitting them!
1070 Note: The kernel should have implemented both a receive buffer and 1113 Note: The kernel should have implemented both a receive buffer and
1071 a transmit buffer. */ 1114 a transmit buffer. */
1072 1115
1073/* Inlined: Called only once. Remove the inline when you add another call */ 1116/* Inlined: Called only once. Remove the inline when you add another call */
1074static inline void sx_receive_chars (struct sx_port *port) 1117static inline void sx_receive_chars(struct sx_port *port)
1075{ 1118{
1076 int c; 1119 int c;
1077 int rx_op; 1120 int rx_op;
1078 struct tty_struct *tty; 1121 struct tty_struct *tty;
1079 int copied=0; 1122 int copied = 0;
1080 unsigned char *rp; 1123 unsigned char *rp;
1081 1124
1082 func_enter2 (); 1125 func_enter2();
1083 tty = port->gs.tty; 1126 tty = port->gs.tty;
1084 while (1) { 1127 while (1) {
1085 rx_op = sx_read_channel_byte (port, hi_rxopos); 1128 rx_op = sx_read_channel_byte(port, hi_rxopos);
1086 c = (sx_read_channel_byte (port, hi_rxipos) - rx_op) & 0xff; 1129 c = (sx_read_channel_byte(port, hi_rxipos) - rx_op) & 0xff;
1087 1130
1088 sx_dprintk (SX_DEBUG_RECEIVE, "rxop=%d, c = %d.\n", rx_op, c); 1131 sx_dprintk(SX_DEBUG_RECEIVE, "rxop=%d, c = %d.\n", rx_op, c);
1089 1132
1090 /* Don't copy past the end of the hardware receive buffer */ 1133 /* Don't copy past the end of the hardware receive buffer */
1091 if (rx_op + c > 0x100) c = 0x100 - rx_op; 1134 if (rx_op + c > 0x100)
1135 c = 0x100 - rx_op;
1092 1136
1093 sx_dprintk (SX_DEBUG_RECEIVE, "c = %d.\n", c); 1137 sx_dprintk(SX_DEBUG_RECEIVE, "c = %d.\n", c);
1094 1138
1095 /* Don't copy more bytes than there is room for in the buffer */ 1139 /* Don't copy more bytes than there is room for in the buffer */
1096 1140
1097 c = tty_prepare_flip_string(tty, &rp, c); 1141 c = tty_prepare_flip_string(tty, &rp, c);
1098 1142
1099 sx_dprintk (SX_DEBUG_RECEIVE, "c = %d.\n", c); 1143 sx_dprintk(SX_DEBUG_RECEIVE, "c = %d.\n", c);
1100 1144
1101 /* If for one reason or another, we can't copy more data, we're done! */ 1145 /* If for one reason or another, we can't copy more data, we're done! */
1102 if (c == 0) break; 1146 if (c == 0)
1147 break;
1103 1148
1104 sx_dprintk (SX_DEBUG_RECEIVE , "Copying over %d chars. First is %d at %lx\n", c, 1149 sx_dprintk(SX_DEBUG_RECEIVE, "Copying over %d chars. First is "
1105 read_sx_byte (port->board, CHAN_OFFSET(port,hi_rxbuf) + rx_op), 1150 "%d at %lx\n", c, read_sx_byte(port->board,
1106 CHAN_OFFSET(port, hi_rxbuf)); 1151 CHAN_OFFSET(port, hi_rxbuf) + rx_op),
1107 memcpy_fromio (rp, 1152 CHAN_OFFSET(port, hi_rxbuf));
1108 port->board->base + CHAN_OFFSET(port,hi_rxbuf) + rx_op, c); 1153 memcpy_fromio(rp, port->board->base +
1154 CHAN_OFFSET(port, hi_rxbuf) + rx_op, c);
1109 1155
1110 /* This one last. ( Not essential.) 1156 /* This one last. ( Not essential.)
1111 It allows the card to start putting more data into the buffer! 1157 It allows the card to start putting more data into the
1158 buffer!
1112 Update the pointer in the card */ 1159 Update the pointer in the card */
1113 sx_write_channel_byte (port, hi_rxopos, (rx_op + c) & 0xff); 1160 sx_write_channel_byte(port, hi_rxopos, (rx_op + c) & 0xff);
1114 1161
1115 copied += c; 1162 copied += c;
1116 } 1163 }
1117 if (copied) { 1164 if (copied) {
1118 struct timeval tv; 1165 struct timeval tv;
1119 1166
1120 do_gettimeofday (&tv); 1167 do_gettimeofday(&tv);
1121 sx_dprintk (SX_DEBUG_RECEIVE, 1168 sx_dprintk(SX_DEBUG_RECEIVE, "pushing flipq port %d (%3d "
1122 "pushing flipq port %d (%3d chars): %d.%06d (%d/%d)\n", 1169 "chars): %d.%06d (%d/%d)\n", port->line,
1123 port->line, copied, 1170 copied, (int)(tv.tv_sec % 60), (int)tv.tv_usec,
1124 (int) (tv.tv_sec % 60), (int)tv.tv_usec, tty->raw, tty->real_raw); 1171 tty->raw, tty->real_raw);
1125 1172
1126 /* Tell the rest of the system the news. Great news. New characters! */ 1173 /* Tell the rest of the system the news. Great news. New
1127 tty_flip_buffer_push (tty); 1174 characters! */
1175 tty_flip_buffer_push(tty);
1128 /* tty_schedule_flip (tty); */ 1176 /* tty_schedule_flip (tty); */
1129 } 1177 }
1130 1178
1131 func_exit (); 1179 func_exit();
1132} 1180}
1133 1181
1134/* Inlined: it is called only once. Remove the inline if you add another 1182/* Inlined: it is called only once. Remove the inline if you add another
1135 call */ 1183 call */
1136static inline void sx_check_modem_signals (struct sx_port *port) 1184static inline void sx_check_modem_signals(struct sx_port *port)
1137{ 1185{
1138 int hi_state; 1186 int hi_state;
1139 int c_dcd; 1187 int c_dcd;
1140 1188
1141 hi_state = sx_read_channel_byte (port, hi_state); 1189 hi_state = sx_read_channel_byte(port, hi_state);
1142 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "Checking modem signals (%d/%d)\n", 1190 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "Checking modem signals (%d/%d)\n",
1143 port->c_dcd, sx_get_CD (port)); 1191 port->c_dcd, sx_get_CD(port));
1144 1192
1145 if (hi_state & ST_BREAK) { 1193 if (hi_state & ST_BREAK) {
1146 hi_state &= ~ST_BREAK; 1194 hi_state &= ~ST_BREAK;
1147 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "got a break.\n"); 1195 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "got a break.\n");
1148 sx_write_channel_byte (port, hi_state, hi_state); 1196 sx_write_channel_byte(port, hi_state, hi_state);
1149 gs_got_break (&port->gs); 1197 gs_got_break(&port->gs);
1150 } 1198 }
1151 if (hi_state & ST_DCD) { 1199 if (hi_state & ST_DCD) {
1152 hi_state &= ~ST_DCD; 1200 hi_state &= ~ST_DCD;
1153 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "got a DCD change.\n"); 1201 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "got a DCD change.\n");
1154 sx_write_channel_byte (port, hi_state, hi_state); 1202 sx_write_channel_byte(port, hi_state, hi_state);
1155 c_dcd = sx_get_CD (port); 1203 c_dcd = sx_get_CD(port);
1156 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD is now %d\n", c_dcd); 1204 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD is now %d\n", c_dcd);
1157 if (c_dcd != port->c_dcd) { 1205 if (c_dcd != port->c_dcd) {
1158 port->c_dcd = c_dcd; 1206 port->c_dcd = c_dcd;
1159 if (sx_get_CD (port)) { 1207 if (sx_get_CD(port)) {
1160 /* DCD went UP */ 1208 /* DCD went UP */
1161 if ((sx_read_channel_byte(port, hi_hstat) != HS_IDLE_CLOSED) && 1209 if ((sx_read_channel_byte(port, hi_hstat) !=
1162 !(port->gs.tty->termios->c_cflag & CLOCAL) ) { 1210 HS_IDLE_CLOSED) &&
1163 /* Are we blocking in open?*/ 1211 !(port->gs.tty->termios->
1164 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD active, unblocking open\n"); 1212 c_cflag & CLOCAL)) {
1165 wake_up_interruptible(&port->gs.open_wait); 1213 /* Are we blocking in open? */
1214 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD "
1215 "active, unblocking open\n");
1216 wake_up_interruptible(&port->gs.
1217 open_wait);
1166 } else { 1218 } else {
1167 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD raised. Ignoring.\n"); 1219 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD "
1220 "raised. Ignoring.\n");
1168 } 1221 }
1169 } else { 1222 } else {
1170 /* DCD went down! */ 1223 /* DCD went down! */
1171 if (!(port->gs.tty->termios->c_cflag & CLOCAL) ) { 1224 if (!(port->gs.tty->termios->c_cflag & CLOCAL)){
1172 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD dropped. hanging up....\n"); 1225 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD "
1173 tty_hangup (port->gs.tty); 1226 "dropped. hanging up....\n");
1227 tty_hangup(port->gs.tty);
1174 } else { 1228 } else {
1175 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD dropped. ignoring.\n"); 1229 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD "
1230 "dropped. ignoring.\n");
1176 } 1231 }
1177 } 1232 }
1178 } else { 1233 } else {
1179 sx_dprintk (SX_DEBUG_MODEMSIGNALS, "Hmmm. card told us DCD changed, but it didn't.\n"); 1234 sx_dprintk(SX_DEBUG_MODEMSIGNALS, "Hmmm. card told us "
1235 "DCD changed, but it didn't.\n");
1180 } 1236 }
1181 } 1237 }
1182} 1238}
1183 1239
1184
1185/* This is what an interrupt routine should look like. 1240/* This is what an interrupt routine should look like.
1186 * Small, elegant, clear. 1241 * Small, elegant, clear.
1187 */ 1242 */
1188 1243
1189static irqreturn_t sx_interrupt (int irq, void *ptr) 1244static irqreturn_t sx_interrupt(int irq, void *ptr)
1190{ 1245{
1191 struct sx_board *board = ptr; 1246 struct sx_board *board = ptr;
1192 struct sx_port *port; 1247 struct sx_port *port;
1193 int i; 1248 int i;
1194 1249
1195 func_enter (); 1250 func_enter();
1196 sx_dprintk (SX_DEBUG_FLOW, "sx: enter sx_interrupt (%d/%d)\n", irq, board->irq); 1251 sx_dprintk(SX_DEBUG_FLOW, "sx: enter sx_interrupt (%d/%d)\n", irq,
1252 board->irq);
1197 1253
1198 /* AAargh! The order in which to do these things is essential and 1254 /* AAargh! The order in which to do these things is essential and
1199 not trivial. 1255 not trivial.
1200 1256
1201 - Rate limit goes before "recursive". Otherwise a series of 1257 - Rate limit goes before "recursive". Otherwise a series of
1202 recursive calls will hang the machine in the interrupt routine. 1258 recursive calls will hang the machine in the interrupt routine.
1203 1259
1204 - hardware twiddling goes before "recursive". Otherwise when we 1260 - hardware twiddling goes before "recursive". Otherwise when we
1205 poll the card, and a recursive interrupt happens, we won't 1261 poll the card, and a recursive interrupt happens, we won't
1206 ack the card, so it might keep on interrupting us. (especially 1262 ack the card, so it might keep on interrupting us. (especially
1207 level sensitive interrupt systems like PCI). 1263 level sensitive interrupt systems like PCI).
1208 1264
1209 - Rate limit goes before hardware twiddling. Otherwise we won't 1265 - Rate limit goes before hardware twiddling. Otherwise we won't
1210 catch a card that has gone bonkers. 1266 catch a card that has gone bonkers.
1211 1267
1212 - The "initialized" test goes after the hardware twiddling. Otherwise 1268 - The "initialized" test goes after the hardware twiddling. Otherwise
1213 the card will stick us in the interrupt routine again. 1269 the card will stick us in the interrupt routine again.
1214 1270
1215 - The initialized test goes before recursive. 1271 - The initialized test goes before recursive.
1216 */ 1272 */
1217
1218
1219 1273
1220#ifdef IRQ_RATE_LIMIT 1274#ifdef IRQ_RATE_LIMIT
1221 /* Aaargh! I'm ashamed. This costs more lines-of-code than the 1275 /* Aaargh! I'm ashamed. This costs more lines-of-code than the
1222 actual interrupt routine!. (Well, used to when I wrote that comment) */ 1276 actual interrupt routine!. (Well, used to when I wrote that
1277 comment) */
1223 { 1278 {
1224 static int lastjif; 1279 static int lastjif;
1225 static int nintr=0; 1280 static int nintr = 0;
1226 1281
1227 if (lastjif == jiffies) { 1282 if (lastjif == jiffies) {
1228 if (++nintr > IRQ_RATE_LIMIT) { 1283 if (++nintr > IRQ_RATE_LIMIT) {
1229 free_irq (board->irq, board); 1284 free_irq(board->irq, board);
1230 printk (KERN_ERR "sx: Too many interrupts. Turning off interrupt %d.\n", 1285 printk(KERN_ERR "sx: Too many interrupts. "
1231 board->irq); 1286 "Turning off interrupt %d.\n",
1287 board->irq);
1232 } 1288 }
1233 } else { 1289 } else {
1234 lastjif = jiffies; 1290 lastjif = jiffies;
@@ -1237,19 +1293,20 @@ static irqreturn_t sx_interrupt (int irq, void *ptr)
1237 } 1293 }
1238#endif 1294#endif
1239 1295
1240
1241 if (board->irq == irq) { 1296 if (board->irq == irq) {
1242 /* Tell the card we've noticed the interrupt. */ 1297 /* Tell the card we've noticed the interrupt. */
1243 1298
1244 sx_write_board_word (board, cc_int_pending, 0); 1299 sx_write_board_word(board, cc_int_pending, 0);
1245 if (IS_SX_BOARD (board)) { 1300 if (IS_SX_BOARD(board)) {
1246 write_sx_byte (board, SX_RESET_IRQ, 1); 1301 write_sx_byte(board, SX_RESET_IRQ, 1);
1247 } else if (IS_EISA_BOARD(board)) { 1302 } else if (IS_EISA_BOARD(board)) {
1248 inb(board->eisa_base+0xc03); 1303 inb(board->eisa_base + 0xc03);
1249 write_sx_word(board, 8, 0); 1304 write_sx_word(board, 8, 0);
1250 } else { 1305 } else {
1251 write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_CLEAR); 1306 write_sx_byte(board, SI2_ISA_INTCLEAR,
1252 write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET); 1307 SI2_ISA_INTCLEAR_CLEAR);
1308 write_sx_byte(board, SI2_ISA_INTCLEAR,
1309 SI2_ISA_INTCLEAR_SET);
1253 } 1310 }
1254 } 1311 }
1255 1312
@@ -1258,53 +1315,51 @@ static irqreturn_t sx_interrupt (int irq, void *ptr)
1258 if (!(board->flags & SX_BOARD_INITIALIZED)) 1315 if (!(board->flags & SX_BOARD_INITIALIZED))
1259 return IRQ_HANDLED; 1316 return IRQ_HANDLED;
1260 1317
1261 if (test_and_set_bit (SX_BOARD_INTR_LOCK, &board->locks)) { 1318 if (test_and_set_bit(SX_BOARD_INTR_LOCK, &board->locks)) {
1262 printk (KERN_ERR "Recursive interrupt! (%d)\n", board->irq); 1319 printk(KERN_ERR "Recursive interrupt! (%d)\n", board->irq);
1263 return IRQ_HANDLED; 1320 return IRQ_HANDLED;
1264 } 1321 }
1265 1322
1266 for (i=0;i<board->nports;i++) { 1323 for (i = 0; i < board->nports; i++) {
1267 port = &board->ports[i]; 1324 port = &board->ports[i];
1268 if (port->gs.flags & GS_ACTIVE) { 1325 if (port->gs.flags & GS_ACTIVE) {
1269 if (sx_read_channel_byte (port, hi_state)) { 1326 if (sx_read_channel_byte(port, hi_state)) {
1270 sx_dprintk (SX_DEBUG_INTERRUPTS, 1327 sx_dprintk(SX_DEBUG_INTERRUPTS, "Port %d: "
1271 "Port %d: modem signal change?... \n", i); 1328 "modem signal change?... \n",i);
1272 sx_check_modem_signals (port); 1329 sx_check_modem_signals(port);
1273 } 1330 }
1274 if (port->gs.xmit_cnt) { 1331 if (port->gs.xmit_cnt) {
1275 sx_transmit_chars (port); 1332 sx_transmit_chars(port);
1276 } 1333 }
1277 if (!(port->gs.flags & SX_RX_THROTTLE)) { 1334 if (!(port->gs.flags & SX_RX_THROTTLE)) {
1278 sx_receive_chars (port); 1335 sx_receive_chars(port);
1279 } 1336 }
1280 } 1337 }
1281 } 1338 }
1282 1339
1283 clear_bit (SX_BOARD_INTR_LOCK, &board->locks); 1340 clear_bit(SX_BOARD_INTR_LOCK, &board->locks);
1284 1341
1285 sx_dprintk (SX_DEBUG_FLOW, "sx: exit sx_interrupt (%d/%d)\n", irq, board->irq); 1342 sx_dprintk(SX_DEBUG_FLOW, "sx: exit sx_interrupt (%d/%d)\n", irq,
1286 func_exit (); 1343 board->irq);
1344 func_exit();
1287 return IRQ_HANDLED; 1345 return IRQ_HANDLED;
1288} 1346}
1289 1347
1290 1348static void sx_pollfunc(unsigned long data)
1291static void sx_pollfunc (unsigned long data)
1292{ 1349{
1293 struct sx_board *board = (struct sx_board *) data; 1350 struct sx_board *board = (struct sx_board *)data;
1294 1351
1295 func_enter (); 1352 func_enter();
1296 1353
1297 sx_interrupt (0, board); 1354 sx_interrupt(0, board);
1298 1355
1299 init_timer(&board->timer); 1356 init_timer(&board->timer);
1300 1357
1301 board->timer.expires = jiffies + sx_poll; 1358 board->timer.expires = jiffies + sx_poll;
1302 add_timer (&board->timer); 1359 add_timer(&board->timer);
1303 func_exit (); 1360 func_exit();
1304} 1361}
1305 1362
1306
1307
1308/* ********************************************************************** * 1363/* ********************************************************************** *
1309 * Here are the routines that actually * 1364 * Here are the routines that actually *
1310 * interface with the generic_serial driver * 1365 * interface with the generic_serial driver *
@@ -1313,9 +1368,9 @@ static void sx_pollfunc (unsigned long data)
1313/* Ehhm. I don't know how to fiddle with interrupts on the SX card. --REW */ 1368/* Ehhm. I don't know how to fiddle with interrupts on the SX card. --REW */
1314/* Hmm. Ok I figured it out. You don't. */ 1369/* Hmm. Ok I figured it out. You don't. */
1315 1370
1316static void sx_disable_tx_interrupts (void * ptr) 1371static void sx_disable_tx_interrupts(void *ptr)
1317{ 1372{
1318 struct sx_port *port = ptr; 1373 struct sx_port *port = ptr;
1319 func_enter2(); 1374 func_enter2();
1320 1375
1321 port->gs.flags &= ~GS_TX_INTEN; 1376 port->gs.flags &= ~GS_TX_INTEN;
@@ -1323,30 +1378,28 @@ static void sx_disable_tx_interrupts (void * ptr)
1323 func_exit(); 1378 func_exit();
1324} 1379}
1325 1380
1326 1381static void sx_enable_tx_interrupts(void *ptr)
1327static void sx_enable_tx_interrupts (void * ptr)
1328{ 1382{
1329 struct sx_port *port = ptr; 1383 struct sx_port *port = ptr;
1330 int data_in_buffer; 1384 int data_in_buffer;
1331 func_enter2(); 1385 func_enter2();
1332 1386
1333 /* First transmit the characters that we're supposed to */ 1387 /* First transmit the characters that we're supposed to */
1334 sx_transmit_chars (port); 1388 sx_transmit_chars(port);
1335 1389
1336 /* The sx card will never interrupt us if we don't fill the buffer 1390 /* The sx card will never interrupt us if we don't fill the buffer
1337 past 25%. So we keep considering interrupts off if that's the case. */ 1391 past 25%. So we keep considering interrupts off if that's the case. */
1338 data_in_buffer = (sx_read_channel_byte (port, hi_txipos) - 1392 data_in_buffer = (sx_read_channel_byte(port, hi_txipos) -
1339 sx_read_channel_byte (port, hi_txopos)) & 0xff; 1393 sx_read_channel_byte(port, hi_txopos)) & 0xff;
1340 1394
1341 /* XXX Must be "HIGH_WATER" for SI card according to doc. */ 1395 /* XXX Must be "HIGH_WATER" for SI card according to doc. */
1342 if (data_in_buffer < LOW_WATER) 1396 if (data_in_buffer < LOW_WATER)
1343 port->gs.flags &= ~GS_TX_INTEN; 1397 port->gs.flags &= ~GS_TX_INTEN;
1344 1398
1345 func_exit(); 1399 func_exit();
1346} 1400}
1347 1401
1348 1402static void sx_disable_rx_interrupts(void *ptr)
1349static void sx_disable_rx_interrupts (void * ptr)
1350{ 1403{
1351 /* struct sx_port *port = ptr; */ 1404 /* struct sx_port *port = ptr; */
1352 func_enter(); 1405 func_enter();
@@ -1354,7 +1407,7 @@ static void sx_disable_rx_interrupts (void * ptr)
1354 func_exit(); 1407 func_exit();
1355} 1408}
1356 1409
1357static void sx_enable_rx_interrupts (void * ptr) 1410static void sx_enable_rx_interrupts(void *ptr)
1358{ 1411{
1359 /* struct sx_port *port = ptr; */ 1412 /* struct sx_port *port = ptr; */
1360 func_enter(); 1413 func_enter();
@@ -1362,55 +1415,48 @@ static void sx_enable_rx_interrupts (void * ptr)
1362 func_exit(); 1415 func_exit();
1363} 1416}
1364 1417
1365
1366/* Jeez. Isn't this simple? */ 1418/* Jeez. Isn't this simple? */
1367static int sx_get_CD (void * ptr) 1419static int sx_get_CD(void *ptr)
1368{ 1420{
1369 struct sx_port *port = ptr; 1421 struct sx_port *port = ptr;
1370 func_enter2(); 1422 func_enter2();
1371 1423
1372 func_exit(); 1424 func_exit();
1373 return ((sx_read_channel_byte (port, hi_ip) & IP_DCD) != 0); 1425 return ((sx_read_channel_byte(port, hi_ip) & IP_DCD) != 0);
1374} 1426}
1375 1427
1376
1377/* Jeez. Isn't this simple? */ 1428/* Jeez. Isn't this simple? */
1378static int sx_chars_in_buffer (void * ptr) 1429static int sx_chars_in_buffer(void *ptr)
1379{ 1430{
1380 struct sx_port *port = ptr; 1431 struct sx_port *port = ptr;
1381 func_enter2(); 1432 func_enter2();
1382 1433
1383 func_exit(); 1434 func_exit();
1384 return ((sx_read_channel_byte (port, hi_txipos) - 1435 return ((sx_read_channel_byte(port, hi_txipos) -
1385 sx_read_channel_byte (port, hi_txopos)) & 0xff); 1436 sx_read_channel_byte(port, hi_txopos)) & 0xff);
1386} 1437}
1387 1438
1388 1439static void sx_shutdown_port(void *ptr)
1389static void sx_shutdown_port (void * ptr)
1390{ 1440{
1391 struct sx_port *port = ptr; 1441 struct sx_port *port = ptr;
1392 1442
1393 func_enter(); 1443 func_enter();
1394 1444
1395 port->gs.flags &= ~ GS_ACTIVE; 1445 port->gs.flags &= ~GS_ACTIVE;
1396 if (port->gs.tty && (port->gs.tty->termios->c_cflag & HUPCL)) { 1446 if (port->gs.tty && (port->gs.tty->termios->c_cflag & HUPCL)) {
1397 sx_setsignals (port, 0, 0); 1447 sx_setsignals(port, 0, 0);
1398 sx_reconfigure_port(port); 1448 sx_reconfigure_port(port);
1399 } 1449 }
1400 1450
1401 func_exit(); 1451 func_exit();
1402} 1452}
1403 1453
1404
1405
1406
1407
1408/* ********************************************************************** * 1454/* ********************************************************************** *
1409 * Here are the routines that actually * 1455 * Here are the routines that actually *
1410 * interface with the rest of the system * 1456 * interface with the rest of the system *
1411 * ********************************************************************** */ 1457 * ********************************************************************** */
1412 1458
1413static int sx_open (struct tty_struct * tty, struct file * filp) 1459static int sx_open(struct tty_struct *tty, struct file *filp)
1414{ 1460{
1415 struct sx_port *port; 1461 struct sx_port *port;
1416 int retval, line; 1462 int retval, line;
@@ -1423,18 +1469,18 @@ static int sx_open (struct tty_struct * tty, struct file * filp)
1423 } 1469 }
1424 1470
1425 line = tty->index; 1471 line = tty->index;
1426 sx_dprintk (SX_DEBUG_OPEN, "%d: opening line %d. tty=%p ctty=%p, np=%d)\n", 1472 sx_dprintk(SX_DEBUG_OPEN, "%d: opening line %d. tty=%p ctty=%p, "
1427 current->pid, line, tty, current->signal->tty, sx_nports); 1473 "np=%d)\n", current->pid, line, tty,
1474 current->signal->tty, sx_nports);
1428 1475
1429 if ((line < 0) || (line >= SX_NPORTS) || (line >= sx_nports)) 1476 if ((line < 0) || (line >= SX_NPORTS) || (line >= sx_nports))
1430 return -ENODEV; 1477 return -ENODEV;
1431 1478
1432 port = & sx_ports[line]; 1479 port = &sx_ports[line];
1433 port->c_dcd = 0; /* Make sure that the first interrupt doesn't detect a 1480 port->c_dcd = 0; /* Make sure that the first interrupt doesn't detect a
1434 1 -> 0 transition. */ 1481 1 -> 0 transition. */
1435
1436 1482
1437 sx_dprintk (SX_DEBUG_OPEN, "port = %p c_dcd = %d\n", port, port->c_dcd); 1483 sx_dprintk(SX_DEBUG_OPEN, "port = %p c_dcd = %d\n", port, port->c_dcd);
1438 1484
1439 spin_lock_irqsave(&port->gs.driver_lock, flags); 1485 spin_lock_irqsave(&port->gs.driver_lock, flags);
1440 1486
@@ -1443,13 +1489,13 @@ static int sx_open (struct tty_struct * tty, struct file * filp)
1443 port->gs.count++; 1489 port->gs.count++;
1444 spin_unlock_irqrestore(&port->gs.driver_lock, flags); 1490 spin_unlock_irqrestore(&port->gs.driver_lock, flags);
1445 1491
1446 sx_dprintk (SX_DEBUG_OPEN, "starting port\n"); 1492 sx_dprintk(SX_DEBUG_OPEN, "starting port\n");
1447 1493
1448 /* 1494 /*
1449 * Start up serial port 1495 * Start up serial port
1450 */ 1496 */
1451 retval = gs_init_port(&port->gs); 1497 retval = gs_init_port(&port->gs);
1452 sx_dprintk (SX_DEBUG_OPEN, "done gs_init\n"); 1498 sx_dprintk(SX_DEBUG_OPEN, "done gs_init\n");
1453 if (retval) { 1499 if (retval) {
1454 port->gs.count--; 1500 port->gs.count--;
1455 return retval; 1501 return retval;
@@ -1457,19 +1503,20 @@ static int sx_open (struct tty_struct * tty, struct file * filp)
1457 1503
1458 port->gs.flags |= GS_ACTIVE; 1504 port->gs.flags |= GS_ACTIVE;
1459 if (port->gs.count <= 1) 1505 if (port->gs.count <= 1)
1460 sx_setsignals (port, 1,1); 1506 sx_setsignals(port, 1, 1);
1461 1507
1462#if 0 1508#if 0
1463 if (sx_debug & SX_DEBUG_OPEN) 1509 if (sx_debug & SX_DEBUG_OPEN)
1464 my_hd (port, sizeof (*port)); 1510 my_hd(port, sizeof(*port));
1465#else 1511#else
1466 if (sx_debug & SX_DEBUG_OPEN) 1512 if (sx_debug & SX_DEBUG_OPEN)
1467 my_hd_io (port->board->base + port->ch_base, sizeof (*port)); 1513 my_hd_io(port->board->base + port->ch_base, sizeof(*port));
1468#endif 1514#endif
1469 1515
1470 if (port->gs.count <= 1) { 1516 if (port->gs.count <= 1) {
1471 if (sx_send_command (port, HS_LOPEN, -1, HS_IDLE_OPEN) != 1) { 1517 if (sx_send_command(port, HS_LOPEN, -1, HS_IDLE_OPEN) != 1) {
1472 printk (KERN_ERR "sx: Card didn't respond to LOPEN command.\n"); 1518 printk(KERN_ERR "sx: Card didn't respond to LOPEN "
1519 "command.\n");
1473 spin_lock_irqsave(&port->gs.driver_lock, flags); 1520 spin_lock_irqsave(&port->gs.driver_lock, flags);
1474 port->gs.count--; 1521 port->gs.count--;
1475 spin_unlock_irqrestore(&port->gs.driver_lock, flags); 1522 spin_unlock_irqrestore(&port->gs.driver_lock, flags);
@@ -1478,75 +1525,76 @@ static int sx_open (struct tty_struct * tty, struct file * filp)
1478 } 1525 }
1479 1526
1480 retval = gs_block_til_ready(port, filp); 1527 retval = gs_block_til_ready(port, filp);
1481 sx_dprintk (SX_DEBUG_OPEN, "Block til ready returned %d. Count=%d\n", 1528 sx_dprintk(SX_DEBUG_OPEN, "Block til ready returned %d. Count=%d\n",
1482 retval, port->gs.count); 1529 retval, port->gs.count);
1483 1530
1484 if (retval) { 1531 if (retval) {
1485 /* 1532/*
1486 * Don't lower gs.count here because sx_close() will be called later 1533 * Don't lower gs.count here because sx_close() will be called later
1487 */ 1534 */
1488 1535
1489 return retval; 1536 return retval;
1490 } 1537 }
1491 /* tty->low_latency = 1; */ 1538 /* tty->low_latency = 1; */
1492 1539
1493 port->c_dcd = sx_get_CD (port); 1540 port->c_dcd = sx_get_CD(port);
1494 sx_dprintk (SX_DEBUG_OPEN, "at open: cd=%d\n", port->c_dcd); 1541 sx_dprintk(SX_DEBUG_OPEN, "at open: cd=%d\n", port->c_dcd);
1495 1542
1496 func_exit(); 1543 func_exit();
1497 return 0; 1544 return 0;
1498 1545
1499} 1546}
1500 1547
1501 1548static void sx_close(void *ptr)
1502static void sx_close (void *ptr)
1503{ 1549{
1504 struct sx_port *port = ptr; 1550 struct sx_port *port = ptr;
1505 /* Give the port 5 seconds to close down. */ 1551 /* Give the port 5 seconds to close down. */
1506 int to = 5 * HZ; 1552 int to = 5 * HZ;
1507 1553
1508 func_enter (); 1554 func_enter();
1509 1555
1510 sx_setsignals (port, 0, 0); 1556 sx_setsignals(port, 0, 0);
1511 sx_reconfigure_port(port); 1557 sx_reconfigure_port(port);
1512 sx_send_command (port, HS_CLOSE, 0, 0); 1558 sx_send_command(port, HS_CLOSE, 0, 0);
1513 1559
1514 while (to-- && (sx_read_channel_byte (port, hi_hstat) != HS_IDLE_CLOSED)) 1560 while (to-- && (sx_read_channel_byte(port, hi_hstat) != HS_IDLE_CLOSED))
1515 if (msleep_interruptible(10)) 1561 if (msleep_interruptible(10))
1516 break; 1562 break;
1517 if (sx_read_channel_byte (port, hi_hstat) != HS_IDLE_CLOSED) { 1563 if (sx_read_channel_byte(port, hi_hstat) != HS_IDLE_CLOSED) {
1518 if (sx_send_command (port, HS_FORCE_CLOSED, -1, HS_IDLE_CLOSED) != 1) { 1564 if (sx_send_command(port, HS_FORCE_CLOSED, -1, HS_IDLE_CLOSED)
1519 printk (KERN_ERR 1565 != 1) {
1520 "sx: sent the force_close command, but card didn't react\n"); 1566 printk(KERN_ERR "sx: sent the force_close command, but "
1567 "card didn't react\n");
1521 } else 1568 } else
1522 sx_dprintk (SX_DEBUG_CLOSE, "sent the force_close command.\n"); 1569 sx_dprintk(SX_DEBUG_CLOSE, "sent the force_close "
1570 "command.\n");
1523 } 1571 }
1524 1572
1525 sx_dprintk (SX_DEBUG_CLOSE, "waited %d jiffies for close. count=%d\n", 1573 sx_dprintk(SX_DEBUG_CLOSE, "waited %d jiffies for close. count=%d\n",
1526 5 * HZ - to - 1, port->gs.count); 1574 5 * HZ - to - 1, port->gs.count);
1527 1575
1528 if(port->gs.count) { 1576 if (port->gs.count) {
1529 sx_dprintk(SX_DEBUG_CLOSE, "WARNING port count:%d\n", port->gs.count); 1577 sx_dprintk(SX_DEBUG_CLOSE, "WARNING port count:%d\n",
1530 //printk ("%s SETTING port count to zero: %p count: %d\n", __FUNCTION__, port, port->gs.count); 1578 port->gs.count);
1531 //port->gs.count = 0; 1579 /*printk("%s SETTING port count to zero: %p count: %d\n",
1580 __FUNCTION__, port, port->gs.count);
1581 port->gs.count = 0;*/
1532 } 1582 }
1533 1583
1534 func_exit (); 1584 func_exit();
1535} 1585}
1536 1586
1537
1538
1539/* This is relatively thorough. But then again it is only 20 lines. */ 1587/* This is relatively thorough. But then again it is only 20 lines. */
1540#define MARCHUP for (i=min;i<max;i++) 1588#define MARCHUP for (i = min; i < max; i++)
1541#define MARCHDOWN for (i=max-1;i>=min;i--) 1589#define MARCHDOWN for (i = max - 1; i >= min; i--)
1542#define W0 write_sx_byte (board, i, 0x55) 1590#define W0 write_sx_byte(board, i, 0x55)
1543#define W1 write_sx_byte (board, i, 0xaa) 1591#define W1 write_sx_byte(board, i, 0xaa)
1544#define R0 if (read_sx_byte (board, i) != 0x55) return 1 1592#define R0 if (read_sx_byte(board, i) != 0x55) return 1
1545#define R1 if (read_sx_byte (board, i) != 0xaa) return 1 1593#define R1 if (read_sx_byte(board, i) != 0xaa) return 1
1546 1594
1547/* This memtest takes a human-noticable time. You normally only do it 1595/* This memtest takes a human-noticable time. You normally only do it
1548 once a boot, so I guess that it is worth it. */ 1596 once a boot, so I guess that it is worth it. */
1549static int do_memtest (struct sx_board *board, int min, int max) 1597static int do_memtest(struct sx_board *board, int min, int max)
1550{ 1598{
1551 int i; 1599 int i;
1552 1600
@@ -1555,16 +1603,37 @@ static int do_memtest (struct sx_board *board, int min, int max)
1555 intermittent errors. -- REW 1603 intermittent errors. -- REW
1556 (For the theory behind memory testing see: 1604 (For the theory behind memory testing see:
1557 Testing Semiconductor Memories by A.J. van de Goor.) */ 1605 Testing Semiconductor Memories by A.J. van de Goor.) */
1558 MARCHUP {W0;} 1606 MARCHUP {
1559 MARCHUP {R0;W1;R1;W0;R0;W1;} 1607 W0;
1560 MARCHUP {R1;W0;W1;} 1608 }
1561 MARCHDOWN {R1;W0;W1;W0;} 1609 MARCHUP {
1562 MARCHDOWN {R0;W1;W0;} 1610 R0;
1611 W1;
1612 R1;
1613 W0;
1614 R0;
1615 W1;
1616 }
1617 MARCHUP {
1618 R1;
1619 W0;
1620 W1;
1621 }
1622 MARCHDOWN {
1623 R1;
1624 W0;
1625 W1;
1626 W0;
1627 }
1628 MARCHDOWN {
1629 R0;
1630 W1;
1631 W0;
1632 }
1563 1633
1564 return 0; 1634 return 0;
1565} 1635}
1566 1636
1567
1568#undef MARCHUP 1637#undef MARCHUP
1569#undef MARCHDOWN 1638#undef MARCHDOWN
1570#undef W0 1639#undef W0
@@ -1572,33 +1641,54 @@ static int do_memtest (struct sx_board *board, int min, int max)
1572#undef R0 1641#undef R0
1573#undef R1 1642#undef R1
1574 1643
1575#define MARCHUP for (i=min;i<max;i+=2) 1644#define MARCHUP for (i = min; i < max; i += 2)
1576#define MARCHDOWN for (i=max-1;i>=min;i-=2) 1645#define MARCHDOWN for (i = max - 1; i >= min; i -= 2)
1577#define W0 write_sx_word (board, i, 0x55aa) 1646#define W0 write_sx_word(board, i, 0x55aa)
1578#define W1 write_sx_word (board, i, 0xaa55) 1647#define W1 write_sx_word(board, i, 0xaa55)
1579#define R0 if (read_sx_word (board, i) != 0x55aa) return 1 1648#define R0 if (read_sx_word(board, i) != 0x55aa) return 1
1580#define R1 if (read_sx_word (board, i) != 0xaa55) return 1 1649#define R1 if (read_sx_word(board, i) != 0xaa55) return 1
1581 1650
1582#if 0 1651#if 0
1583/* This memtest takes a human-noticable time. You normally only do it 1652/* This memtest takes a human-noticable time. You normally only do it
1584 once a boot, so I guess that it is worth it. */ 1653 once a boot, so I guess that it is worth it. */
1585static int do_memtest_w (struct sx_board *board, int min, int max) 1654static int do_memtest_w(struct sx_board *board, int min, int max)
1586{ 1655{
1587 int i; 1656 int i;
1588 1657
1589 MARCHUP {W0;} 1658 MARCHUP {
1590 MARCHUP {R0;W1;R1;W0;R0;W1;} 1659 W0;
1591 MARCHUP {R1;W0;W1;} 1660 }
1592 MARCHDOWN {R1;W0;W1;W0;} 1661 MARCHUP {
1593 MARCHDOWN {R0;W1;W0;} 1662 R0;
1663 W1;
1664 R1;
1665 W0;
1666 R0;
1667 W1;
1668 }
1669 MARCHUP {
1670 R1;
1671 W0;
1672 W1;
1673 }
1674 MARCHDOWN {
1675 R1;
1676 W0;
1677 W1;
1678 W0;
1679 }
1680 MARCHDOWN {
1681 R0;
1682 W1;
1683 W0;
1684 }
1594 1685
1595 return 0; 1686 return 0;
1596} 1687}
1597#endif 1688#endif
1598 1689
1599 1690static int sx_fw_ioctl(struct inode *inode, struct file *filp,
1600static int sx_fw_ioctl (struct inode *inode, struct file *filp, 1691 unsigned int cmd, unsigned long arg)
1601 unsigned int cmd, unsigned long arg)
1602{ 1692{
1603 int rc = 0; 1693 int rc = 0;
1604 int __user *descr = (int __user *)arg; 1694 int __user *descr = (int __user *)arg;
@@ -1610,7 +1700,7 @@ static int sx_fw_ioctl (struct inode *inode, struct file *filp,
1610 1700
1611 func_enter(); 1701 func_enter();
1612 1702
1613#if 0 1703#if 0
1614 /* Removed superuser check: Sysops can use the permissions on the device 1704 /* Removed superuser check: Sysops can use the permissions on the device
1615 file to restrict access. Recommendation: Root only. (root.root 600) */ 1705 file to restrict access. Recommendation: Root only. (root.root 600) */
1616 if (!capable(CAP_SYS_ADMIN)) { 1706 if (!capable(CAP_SYS_ADMIN)) {
@@ -1618,103 +1708,115 @@ static int sx_fw_ioctl (struct inode *inode, struct file *filp,
1618 } 1708 }
1619#endif 1709#endif
1620 1710
1621 sx_dprintk (SX_DEBUG_FIRMWARE, "IOCTL %x: %lx\n", cmd, arg); 1711 sx_dprintk(SX_DEBUG_FIRMWARE, "IOCTL %x: %lx\n", cmd, arg);
1622 1712
1623 if (!board) board = &boards[0]; 1713 if (!board)
1714 board = &boards[0];
1624 if (board->flags & SX_BOARD_PRESENT) { 1715 if (board->flags & SX_BOARD_PRESENT) {
1625 sx_dprintk (SX_DEBUG_FIRMWARE, "Board present! (%x)\n", 1716 sx_dprintk(SX_DEBUG_FIRMWARE, "Board present! (%x)\n",
1626 board->flags); 1717 board->flags);
1627 } else { 1718 } else {
1628 sx_dprintk (SX_DEBUG_FIRMWARE, "Board not present! (%x) all:", 1719 sx_dprintk(SX_DEBUG_FIRMWARE, "Board not present! (%x) all:",
1629 board->flags); 1720 board->flags);
1630 for (i=0;i< SX_NBOARDS;i++) 1721 for (i = 0; i < SX_NBOARDS; i++)
1631 sx_dprintk (SX_DEBUG_FIRMWARE, "<%x> ", boards[i].flags); 1722 sx_dprintk(SX_DEBUG_FIRMWARE, "<%x> ", boards[i].flags);
1632 sx_dprintk (SX_DEBUG_FIRMWARE, "\n"); 1723 sx_dprintk(SX_DEBUG_FIRMWARE, "\n");
1633 return -EIO; 1724 return -EIO;
1634 } 1725 }
1635 1726
1636 switch (cmd) { 1727 switch (cmd) {
1637 case SXIO_SET_BOARD: 1728 case SXIO_SET_BOARD:
1638 sx_dprintk (SX_DEBUG_FIRMWARE, "set board to %ld\n", arg); 1729 sx_dprintk(SX_DEBUG_FIRMWARE, "set board to %ld\n", arg);
1639 if (arg >= SX_NBOARDS) return -EIO; 1730 if (arg >= SX_NBOARDS)
1640 sx_dprintk (SX_DEBUG_FIRMWARE, "not out of range\n"); 1731 return -EIO;
1641 if (!(boards[arg].flags & SX_BOARD_PRESENT)) return -EIO; 1732 sx_dprintk(SX_DEBUG_FIRMWARE, "not out of range\n");
1642 sx_dprintk (SX_DEBUG_FIRMWARE, ".. and present!\n"); 1733 if (!(boards[arg].flags & SX_BOARD_PRESENT))
1734 return -EIO;
1735 sx_dprintk(SX_DEBUG_FIRMWARE, ".. and present!\n");
1643 board = &boards[arg]; 1736 board = &boards[arg];
1644 break; 1737 break;
1645 case SXIO_GET_TYPE: 1738 case SXIO_GET_TYPE:
1646 rc = -ENOENT; /* If we manage to miss one, return error. */ 1739 rc = -ENOENT; /* If we manage to miss one, return error. */
1647 if (IS_SX_BOARD (board)) rc = SX_TYPE_SX; 1740 if (IS_SX_BOARD(board))
1648 if (IS_CF_BOARD (board)) rc = SX_TYPE_CF; 1741 rc = SX_TYPE_SX;
1649 if (IS_SI_BOARD (board)) rc = SX_TYPE_SI; 1742 if (IS_CF_BOARD(board))
1650 if (IS_SI1_BOARD (board)) rc = SX_TYPE_SI; 1743 rc = SX_TYPE_CF;
1651 if (IS_EISA_BOARD (board)) rc = SX_TYPE_SI; 1744 if (IS_SI_BOARD(board))
1652 sx_dprintk (SX_DEBUG_FIRMWARE, "returning type= %d\n", rc); 1745 rc = SX_TYPE_SI;
1746 if (IS_SI1_BOARD(board))
1747 rc = SX_TYPE_SI;
1748 if (IS_EISA_BOARD(board))
1749 rc = SX_TYPE_SI;
1750 sx_dprintk(SX_DEBUG_FIRMWARE, "returning type= %d\n", rc);
1653 break; 1751 break;
1654 case SXIO_DO_RAMTEST: 1752 case SXIO_DO_RAMTEST:
1655 if (sx_initialized) /* Already initialized: better not ramtest the board. */ 1753 if (sx_initialized) /* Already initialized: better not ramtest the board. */
1656 return -EPERM; 1754 return -EPERM;
1657 if (IS_SX_BOARD (board)) { 1755 if (IS_SX_BOARD(board)) {
1658 rc = do_memtest (board, 0, 0x7000); 1756 rc = do_memtest(board, 0, 0x7000);
1659 if (!rc) rc = do_memtest (board, 0, 0x7000); 1757 if (!rc)
1660 /*if (!rc) rc = do_memtest_w (board, 0, 0x7000);*/ 1758 rc = do_memtest(board, 0, 0x7000);
1759 /*if (!rc) rc = do_memtest_w (board, 0, 0x7000); */
1661 } else { 1760 } else {
1662 rc = do_memtest (board, 0, 0x7ff8); 1761 rc = do_memtest(board, 0, 0x7ff8);
1663 /* if (!rc) rc = do_memtest_w (board, 0, 0x7ff8); */ 1762 /* if (!rc) rc = do_memtest_w (board, 0, 0x7ff8); */
1664 } 1763 }
1665 sx_dprintk (SX_DEBUG_FIRMWARE, "returning memtest result= %d\n", rc); 1764 sx_dprintk(SX_DEBUG_FIRMWARE, "returning memtest result= %d\n",
1765 rc);
1666 break; 1766 break;
1667 case SXIO_DOWNLOAD: 1767 case SXIO_DOWNLOAD:
1668 if (sx_initialized) /* Already initialized */ 1768 if (sx_initialized) /* Already initialized */
1669 return -EEXIST; 1769 return -EEXIST;
1670 if (!sx_reset (board)) 1770 if (!sx_reset(board))
1671 return -EIO; 1771 return -EIO;
1672 sx_dprintk (SX_DEBUG_INIT, "reset the board...\n"); 1772 sx_dprintk(SX_DEBUG_INIT, "reset the board...\n");
1673 1773
1674 tmp = kmalloc (SX_CHUNK_SIZE, GFP_USER); 1774 tmp = kmalloc(SX_CHUNK_SIZE, GFP_USER);
1675 if (!tmp) return -ENOMEM; 1775 if (!tmp)
1676 get_user (nbytes, descr++); 1776 return -ENOMEM;
1677 get_user (offset, descr++); 1777 get_user(nbytes, descr++);
1678 get_user (data, descr++); 1778 get_user(offset, descr++);
1779 get_user(data, descr++);
1679 while (nbytes && data) { 1780 while (nbytes && data) {
1680 for (i=0;i<nbytes;i += SX_CHUNK_SIZE) { 1781 for (i = 0; i < nbytes; i += SX_CHUNK_SIZE) {
1681 if (copy_from_user(tmp, (char __user *)data+i, 1782 if (copy_from_user(tmp, (char __user *)data + i,
1682 (i + SX_CHUNK_SIZE > 1783 (i + SX_CHUNK_SIZE > nbytes) ?
1683 nbytes) ? nbytes - i : 1784 nbytes - i : SX_CHUNK_SIZE)) {
1684 SX_CHUNK_SIZE)) { 1785 kfree(tmp);
1685 kfree (tmp);
1686 return -EFAULT; 1786 return -EFAULT;
1687 } 1787 }
1688 memcpy_toio(board->base2 + offset + i, tmp, 1788 memcpy_toio(board->base2 + offset + i, tmp,
1689 (i+SX_CHUNK_SIZE>nbytes)?nbytes-i:SX_CHUNK_SIZE); 1789 (i + SX_CHUNK_SIZE > nbytes) ?
1790 nbytes - i : SX_CHUNK_SIZE);
1690 } 1791 }
1691 1792
1692 get_user (nbytes, descr++); 1793 get_user(nbytes, descr++);
1693 get_user (offset, descr++); 1794 get_user(offset, descr++);
1694 get_user (data, descr++); 1795 get_user(data, descr++);
1695 } 1796 }
1696 kfree (tmp); 1797 kfree(tmp);
1697 sx_nports += sx_init_board (board); 1798 sx_nports += sx_init_board(board);
1698 rc = sx_nports; 1799 rc = sx_nports;
1699 break; 1800 break;
1700 case SXIO_INIT: 1801 case SXIO_INIT:
1701 if (sx_initialized) /* Already initialized */ 1802 if (sx_initialized) /* Already initialized */
1702 return -EEXIST; 1803 return -EEXIST;
1703 /* This is not allowed until all boards are initialized... */ 1804 /* This is not allowed until all boards are initialized... */
1704 for (i=0;i<SX_NBOARDS;i++) { 1805 for (i = 0; i < SX_NBOARDS; i++) {
1705 if ( (boards[i].flags & SX_BOARD_PRESENT) && 1806 if ((boards[i].flags & SX_BOARD_PRESENT) &&
1706 !(boards[i].flags & SX_BOARD_INITIALIZED)) 1807 !(boards[i].flags & SX_BOARD_INITIALIZED))
1707 return -EIO; 1808 return -EIO;
1708 } 1809 }
1709 for (i=0;i<SX_NBOARDS;i++) 1810 for (i = 0; i < SX_NBOARDS; i++)
1710 if (!(boards[i].flags & SX_BOARD_PRESENT)) break; 1811 if (!(boards[i].flags & SX_BOARD_PRESENT))
1711 1812 break;
1712 sx_dprintk (SX_DEBUG_FIRMWARE, "initing portstructs, %d boards, " 1813
1713 "%d channels, first board: %d ports\n", 1814 sx_dprintk(SX_DEBUG_FIRMWARE, "initing portstructs, %d boards, "
1714 i, sx_nports, boards[0].nports); 1815 "%d channels, first board: %d ports\n",
1715 rc = sx_init_portstructs (i, sx_nports); 1816 i, sx_nports, boards[0].nports);
1716 sx_init_drivers (); 1817 rc = sx_init_portstructs(i, sx_nports);
1717 if (rc >= 0) 1818 sx_init_drivers();
1819 if (rc >= 0)
1718 sx_initialized++; 1820 sx_initialized++;
1719 break; 1821 break;
1720 case SXIO_SETDEBUG: 1822 case SXIO_SETDEBUG:
@@ -1731,32 +1833,32 @@ static int sx_fw_ioctl (struct inode *inode, struct file *filp,
1731 rc = sx_nports; 1833 rc = sx_nports;
1732 break; 1834 break;
1733 default: 1835 default:
1734 printk (KERN_WARNING "Unknown ioctl on firmware device (%x).\n", cmd); 1836 printk(KERN_WARNING "Unknown ioctl on firmware device (%x).\n",
1837 cmd);
1735 break; 1838 break;
1736 } 1839 }
1737 func_exit (); 1840 func_exit();
1738 return rc; 1841 return rc;
1739} 1842}
1740 1843
1741 1844static void sx_break(struct tty_struct *tty, int flag)
1742static void sx_break (struct tty_struct * tty, int flag)
1743{ 1845{
1744 struct sx_port *port = tty->driver_data; 1846 struct sx_port *port = tty->driver_data;
1745 int rv; 1847 int rv;
1746 1848
1747 func_enter (); 1849 func_enter();
1748 1850
1749 if (flag) 1851 if (flag)
1750 rv = sx_send_command (port, HS_START, -1, HS_IDLE_BREAK); 1852 rv = sx_send_command(port, HS_START, -1, HS_IDLE_BREAK);
1751 else 1853 else
1752 rv = sx_send_command (port, HS_STOP, -1, HS_IDLE_OPEN); 1854 rv = sx_send_command(port, HS_STOP, -1, HS_IDLE_OPEN);
1753 if (rv != 1) printk (KERN_ERR "sx: couldn't send break (%x).\n", 1855 if (rv != 1)
1754 read_sx_byte (port->board, CHAN_OFFSET (port, hi_hstat))); 1856 printk(KERN_ERR "sx: couldn't send break (%x).\n",
1857 read_sx_byte(port->board, CHAN_OFFSET(port, hi_hstat)));
1755 1858
1756 func_exit (); 1859 func_exit();
1757} 1860}
1758 1861
1759
1760static int sx_tiocmget(struct tty_struct *tty, struct file *file) 1862static int sx_tiocmget(struct tty_struct *tty, struct file *file)
1761{ 1863{
1762 struct sx_port *port = tty->driver_data; 1864 struct sx_port *port = tty->driver_data;
@@ -1764,7 +1866,7 @@ static int sx_tiocmget(struct tty_struct *tty, struct file *file)
1764} 1866}
1765 1867
1766static int sx_tiocmset(struct tty_struct *tty, struct file *file, 1868static int sx_tiocmset(struct tty_struct *tty, struct file *file,
1767 unsigned int set, unsigned int clear) 1869 unsigned int set, unsigned int clear)
1768{ 1870{
1769 struct sx_port *port = tty->driver_data; 1871 struct sx_port *port = tty->driver_data;
1770 int rts = -1, dtr = -1; 1872 int rts = -1, dtr = -1;
@@ -1783,8 +1885,8 @@ static int sx_tiocmset(struct tty_struct *tty, struct file *file,
1783 return 0; 1885 return 0;
1784} 1886}
1785 1887
1786static int sx_ioctl (struct tty_struct * tty, struct file * filp, 1888static int sx_ioctl(struct tty_struct *tty, struct file *filp,
1787 unsigned int cmd, unsigned long arg) 1889 unsigned int cmd, unsigned long arg)
1788{ 1890{
1789 int rc; 1891 int rc;
1790 struct sx_port *port = tty->driver_data; 1892 struct sx_port *port = tty->driver_data;
@@ -1797,10 +1899,10 @@ static int sx_ioctl (struct tty_struct * tty, struct file * filp,
1797 switch (cmd) { 1899 switch (cmd) {
1798 case TIOCGSOFTCAR: 1900 case TIOCGSOFTCAR:
1799 rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0), 1901 rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0),
1800 (unsigned __user *) argp); 1902 (unsigned __user *)argp);
1801 break; 1903 break;
1802 case TIOCSSOFTCAR: 1904 case TIOCSSOFTCAR:
1803 if ((rc = get_user(ival, (unsigned __user *) argp)) == 0) { 1905 if ((rc = get_user(ival, (unsigned __user *)argp)) == 0) {
1804 tty->termios->c_cflag = 1906 tty->termios->c_cflag =
1805 (tty->termios->c_cflag & ~CLOCAL) | 1907 (tty->termios->c_cflag & ~CLOCAL) |
1806 (ival ? CLOCAL : 0); 1908 (ival ? CLOCAL : 0);
@@ -1821,7 +1923,6 @@ static int sx_ioctl (struct tty_struct * tty, struct file * filp,
1821 return rc; 1923 return rc;
1822} 1924}
1823 1925
1824
1825/* The throttle/unthrottle scheme for the Specialix card is different 1926/* The throttle/unthrottle scheme for the Specialix card is different
1826 * from other drivers and deserves some explanation. 1927 * from other drivers and deserves some explanation.
1827 * The Specialix hardware takes care of XON/XOFF 1928 * The Specialix hardware takes care of XON/XOFF
@@ -1838,7 +1939,7 @@ static int sx_ioctl (struct tty_struct * tty, struct file * filp,
1838 * flow control scheme is in use for that port. -- Simon Allen 1939 * flow control scheme is in use for that port. -- Simon Allen
1839 */ 1940 */
1840 1941
1841static void sx_throttle (struct tty_struct * tty) 1942static void sx_throttle(struct tty_struct *tty)
1842{ 1943{
1843 struct sx_port *port = (struct sx_port *)tty->driver_data; 1944 struct sx_port *port = (struct sx_port *)tty->driver_data;
1844 1945
@@ -1846,14 +1947,13 @@ static void sx_throttle (struct tty_struct * tty)
1846 /* If the port is using any type of input flow 1947 /* If the port is using any type of input flow
1847 * control then throttle the port. 1948 * control then throttle the port.
1848 */ 1949 */
1849 if((tty->termios->c_cflag & CRTSCTS) || (I_IXOFF(tty)) ) { 1950 if ((tty->termios->c_cflag & CRTSCTS) || (I_IXOFF(tty))) {
1850 port->gs.flags |= SX_RX_THROTTLE; 1951 port->gs.flags |= SX_RX_THROTTLE;
1851 } 1952 }
1852 func_exit(); 1953 func_exit();
1853} 1954}
1854 1955
1855 1956static void sx_unthrottle(struct tty_struct *tty)
1856static void sx_unthrottle (struct tty_struct * tty)
1857{ 1957{
1858 struct sx_port *port = (struct sx_port *)tty->driver_data; 1958 struct sx_port *port = (struct sx_port *)tty->driver_data;
1859 1959
@@ -1867,15 +1967,11 @@ static void sx_unthrottle (struct tty_struct * tty)
1867 return; 1967 return;
1868} 1968}
1869 1969
1870
1871/* ********************************************************************** * 1970/* ********************************************************************** *
1872 * Here are the initialization routines. * 1971 * Here are the initialization routines. *
1873 * ********************************************************************** */ 1972 * ********************************************************************** */
1874 1973
1875 1974static int sx_init_board(struct sx_board *board)
1876
1877
1878static int sx_init_board (struct sx_board *board)
1879{ 1975{
1880 int addr; 1976 int addr;
1881 int chans; 1977 int chans;
@@ -1887,36 +1983,38 @@ static int sx_init_board (struct sx_board *board)
1887 1983
1888 board->flags |= SX_BOARD_INITIALIZED; 1984 board->flags |= SX_BOARD_INITIALIZED;
1889 1985
1890 if (read_sx_byte (board, 0)) 1986 if (read_sx_byte(board, 0))
1891 /* CF boards may need this. */ 1987 /* CF boards may need this. */
1892 write_sx_byte(board,0, 0); 1988 write_sx_byte(board, 0, 0);
1893 1989
1894 /* This resets the processor again, to make sure it didn't do any 1990 /* This resets the processor again, to make sure it didn't do any
1895 foolish things while we were downloading the image */ 1991 foolish things while we were downloading the image */
1896 if (!sx_reset (board)) 1992 if (!sx_reset(board))
1897 return 0; 1993 return 0;
1898 1994
1899 sx_start_board (board); 1995 sx_start_board(board);
1900 udelay (10); 1996 udelay(10);
1901 if (!sx_busy_wait_neq (board, 0, 0xff, 0)) { 1997 if (!sx_busy_wait_neq(board, 0, 0xff, 0)) {
1902 printk (KERN_ERR "sx: Ooops. Board won't initialize.\n"); 1998 printk(KERN_ERR "sx: Ooops. Board won't initialize.\n");
1903 return 0; 1999 return 0;
1904 } 2000 }
1905 2001
1906 /* Ok. So now the processor on the card is running. It gathered 2002 /* Ok. So now the processor on the card is running. It gathered
1907 some info for us... */ 2003 some info for us... */
1908 sx_dprintk (SX_DEBUG_INIT, "The sxcard structure:\n"); 2004 sx_dprintk(SX_DEBUG_INIT, "The sxcard structure:\n");
1909 if (sx_debug & SX_DEBUG_INIT) my_hd_io (board->base, 0x10); 2005 if (sx_debug & SX_DEBUG_INIT)
1910 sx_dprintk (SX_DEBUG_INIT, "the first sx_module structure:\n"); 2006 my_hd_io(board->base, 0x10);
1911 if (sx_debug & SX_DEBUG_INIT) my_hd_io (board->base + 0x80, 0x30); 2007 sx_dprintk(SX_DEBUG_INIT, "the first sx_module structure:\n");
1912 2008 if (sx_debug & SX_DEBUG_INIT)
1913 sx_dprintk (SX_DEBUG_INIT, 2009 my_hd_io(board->base + 0x80, 0x30);
1914 "init_status: %x, %dk memory, firmware V%x.%02x,\n", 2010
1915 read_sx_byte (board, 0), read_sx_byte(board, 1), 2011 sx_dprintk(SX_DEBUG_INIT, "init_status: %x, %dk memory, firmware "
1916 read_sx_byte (board, 5), read_sx_byte(board, 4)); 2012 "V%x.%02x,\n",
1917 2013 read_sx_byte(board, 0), read_sx_byte(board, 1),
1918 if (read_sx_byte (board, 0) == 0xff) { 2014 read_sx_byte(board, 5), read_sx_byte(board, 4));
1919 printk (KERN_INFO "sx: No modules found. Sorry.\n"); 2015
2016 if (read_sx_byte(board, 0) == 0xff) {
2017 printk(KERN_INFO "sx: No modules found. Sorry.\n");
1920 board->nports = 0; 2018 board->nports = 0;
1921 return 0; 2019 return 0;
1922 } 2020 }
@@ -1924,81 +2022,97 @@ static int sx_init_board (struct sx_board *board)
1924 chans = 0; 2022 chans = 0;
1925 2023
1926 if (IS_SX_BOARD(board)) { 2024 if (IS_SX_BOARD(board)) {
1927 sx_write_board_word (board, cc_int_count, sx_maxints); 2025 sx_write_board_word(board, cc_int_count, sx_maxints);
1928 } else { 2026 } else {
1929 if (sx_maxints) 2027 if (sx_maxints)
1930 sx_write_board_word (board, cc_int_count, SI_PROCESSOR_CLOCK/8/sx_maxints); 2028 sx_write_board_word(board, cc_int_count,
2029 SI_PROCESSOR_CLOCK / 8 / sx_maxints);
1931 } 2030 }
1932 2031
1933 /* grab the first module type... */ 2032 /* grab the first module type... */
1934 /* board->ta_type = mod_compat_type (read_sx_byte (board, 0x80 + 0x08)); */ 2033 /* board->ta_type = mod_compat_type (read_sx_byte (board, 0x80 + 0x08)); */
1935 board->ta_type = mod_compat_type (sx_read_module_byte (board, 0x80, mc_chip)); 2034 board->ta_type = mod_compat_type(sx_read_module_byte(board, 0x80,
2035 mc_chip));
1936 2036
1937 /* XXX byteorder */ 2037 /* XXX byteorder */
1938 for (addr = 0x80;addr != 0;addr = read_sx_word (board, addr) & 0x7fff) { 2038 for (addr = 0x80; addr != 0; addr = read_sx_word(board, addr) & 0x7fff){
1939 type = sx_read_module_byte (board, addr, mc_chip); 2039 type = sx_read_module_byte(board, addr, mc_chip);
1940 sx_dprintk (SX_DEBUG_INIT, "Module at %x: %d channels\n", 2040 sx_dprintk(SX_DEBUG_INIT, "Module at %x: %d channels\n",
1941 addr, read_sx_byte (board, addr + 2)); 2041 addr, read_sx_byte(board, addr + 2));
1942 2042
1943 chans += sx_read_module_byte (board, addr, mc_type); 2043 chans += sx_read_module_byte(board, addr, mc_type);
1944 2044
1945 sx_dprintk (SX_DEBUG_INIT, "module is an %s, which has %s/%s panels\n", 2045 sx_dprintk(SX_DEBUG_INIT, "module is an %s, which has %s/%s "
1946 mod_type_s (type), 2046 "panels\n",
1947 pan_type_s (sx_read_module_byte (board, addr, mc_mods) & 0xf), 2047 mod_type_s(type),
1948 pan_type_s (sx_read_module_byte (board, addr, mc_mods) >> 4)); 2048 pan_type_s(sx_read_module_byte(board, addr,
1949 2049 mc_mods) & 0xf),
1950 sx_dprintk (SX_DEBUG_INIT, "CD1400 versions: %x/%x, ASIC version: %x\n", 2050 pan_type_s(sx_read_module_byte(board, addr,
1951 sx_read_module_byte (board, addr, mc_rev1), 2051 mc_mods) >> 4));
1952 sx_read_module_byte (board, addr, mc_rev2), 2052
1953 sx_read_module_byte (board, addr, mc_mtaasic_rev)); 2053 sx_dprintk(SX_DEBUG_INIT, "CD1400 versions: %x/%x, ASIC "
2054 "version: %x\n",
2055 sx_read_module_byte(board, addr, mc_rev1),
2056 sx_read_module_byte(board, addr, mc_rev2),
2057 sx_read_module_byte(board, addr, mc_mtaasic_rev));
1954 2058
1955 /* The following combinations are illegal: It should theoretically 2059 /* The following combinations are illegal: It should theoretically
1956 work, but timing problems make the bus HANG. */ 2060 work, but timing problems make the bus HANG. */
1957 2061
1958 if (mod_compat_type (type) != board->ta_type) { 2062 if (mod_compat_type(type) != board->ta_type) {
1959 printk (KERN_ERR "sx: This is an invalid configuration.\n" 2063 printk(KERN_ERR "sx: This is an invalid "
1960 "Don't mix TA/MTA/SXDC on the same hostadapter.\n"); 2064 "configuration.\nDon't mix TA/MTA/SXDC on the "
1961 chans=0; 2065 "same hostadapter.\n");
2066 chans = 0;
1962 break; 2067 break;
1963 } 2068 }
1964 if ((IS_EISA_BOARD(board) || 2069 if ((IS_EISA_BOARD(board) ||
1965 IS_SI_BOARD(board)) && (mod_compat_type(type) == 4)) { 2070 IS_SI_BOARD(board)) &&
1966 printk (KERN_ERR "sx: This is an invalid configuration.\n" 2071 (mod_compat_type(type) == 4)) {
1967 "Don't use SXDCs on an SI/XIO adapter.\n"); 2072 printk(KERN_ERR "sx: This is an invalid "
1968 chans=0; 2073 "configuration.\nDon't use SXDCs on an SI/XIO "
2074 "adapter.\n");
2075 chans = 0;
1969 break; 2076 break;
1970 } 2077 }
1971#if 0 /* Problem fixed: firmware 3.05 */ 2078#if 0 /* Problem fixed: firmware 3.05 */
1972 if (IS_SX_BOARD(board) && (type == TA8)) { 2079 if (IS_SX_BOARD(board) && (type == TA8)) {
1973 /* There are some issues with the firmware and the DCD/RTS 2080 /* There are some issues with the firmware and the DCD/RTS
1974 lines. It might work if you tie them together or something. 2081 lines. It might work if you tie them together or something.
1975 It might also work if you get a newer sx_firmware. Therefore 2082 It might also work if you get a newer sx_firmware. Therefore
1976 this is just a warning. */ 2083 this is just a warning. */
1977 printk (KERN_WARNING "sx: The SX host doesn't work too well " 2084 printk(KERN_WARNING
1978 "with the TA8 adapters.\nSpecialix is working on it.\n"); 2085 "sx: The SX host doesn't work too well "
2086 "with the TA8 adapters.\nSpecialix is working on it.\n");
1979 } 2087 }
1980#endif 2088#endif
1981 } 2089 }
1982 2090
1983 if (chans) { 2091 if (chans) {
1984 if(board->irq > 0) { 2092 if (board->irq > 0) {
1985 /* fixed irq, probably PCI */ 2093 /* fixed irq, probably PCI */
1986 if(sx_irqmask & (1 << board->irq)) { /* may we use this irq? */ 2094 if (sx_irqmask & (1 << board->irq)) { /* may we use this irq? */
1987 if(request_irq(board->irq, sx_interrupt, IRQF_SHARED | IRQF_DISABLED, "sx", board)) { 2095 if (request_irq(board->irq, sx_interrupt,
1988 printk(KERN_ERR "sx: Cannot allocate irq %d.\n", board->irq); 2096 IRQF_SHARED | IRQF_DISABLED,
2097 "sx", board)) {
2098 printk(KERN_ERR "sx: Cannot allocate "
2099 "irq %d.\n", board->irq);
1989 board->irq = 0; 2100 board->irq = 0;
1990 } 2101 }
1991 } else 2102 } else
1992 board->irq = 0; 2103 board->irq = 0;
1993 } else if(board->irq < 0 && sx_irqmask) { 2104 } else if (board->irq < 0 && sx_irqmask) {
1994 /* auto-allocate irq */ 2105 /* auto-allocate irq */
1995 int irqnr; 2106 int irqnr;
1996 int irqmask = sx_irqmask & (IS_SX_BOARD(board) ? SX_ISA_IRQ_MASK : SI2_ISA_IRQ_MASK); 2107 int irqmask = sx_irqmask & (IS_SX_BOARD(board) ?
1997 for(irqnr = 15; irqnr > 0; irqnr--) 2108 SX_ISA_IRQ_MASK : SI2_ISA_IRQ_MASK);
1998 if(irqmask & (1 << irqnr)) 2109 for (irqnr = 15; irqnr > 0; irqnr--)
1999 if(! request_irq(irqnr, sx_interrupt, IRQF_SHARED | IRQF_DISABLED, "sx", board)) 2110 if (irqmask & (1 << irqnr))
2111 if (!request_irq(irqnr, sx_interrupt,
2112 IRQF_SHARED | IRQF_DISABLED,
2113 "sx", board))
2000 break; 2114 break;
2001 if(! irqnr) 2115 if (!irqnr)
2002 printk(KERN_ERR "sx: Cannot allocate IRQ.\n"); 2116 printk(KERN_ERR "sx: Cannot allocate IRQ.\n");
2003 board->irq = irqnr; 2117 board->irq = irqnr;
2004 } else 2118 } else
@@ -2006,52 +2120,52 @@ static int sx_init_board (struct sx_board *board)
2006 2120
2007 if (board->irq) { 2121 if (board->irq) {
2008 /* Found a valid interrupt, start up interrupts! */ 2122 /* Found a valid interrupt, start up interrupts! */
2009 sx_dprintk (SX_DEBUG_INIT, "Using irq %d.\n", board->irq); 2123 sx_dprintk(SX_DEBUG_INIT, "Using irq %d.\n",
2010 sx_start_interrupts (board); 2124 board->irq);
2125 sx_start_interrupts(board);
2011 board->poll = sx_slowpoll; 2126 board->poll = sx_slowpoll;
2012 board->flags |= SX_IRQ_ALLOCATED; 2127 board->flags |= SX_IRQ_ALLOCATED;
2013 } else { 2128 } else {
2014 /* no irq: setup board for polled operation */ 2129 /* no irq: setup board for polled operation */
2015 board->poll = sx_poll; 2130 board->poll = sx_poll;
2016 sx_dprintk (SX_DEBUG_INIT, "Using poll-interval %d.\n", board->poll); 2131 sx_dprintk(SX_DEBUG_INIT, "Using poll-interval %d.\n",
2132 board->poll);
2017 } 2133 }
2018 2134
2019 /* The timer should be initialized anyway: That way we can safely 2135 /* The timer should be initialized anyway: That way we can
2020 del_timer it when the module is unloaded. */ 2136 safely del_timer it when the module is unloaded. */
2021 init_timer (&board->timer); 2137 init_timer(&board->timer);
2022 2138
2023 if (board->poll) { 2139 if (board->poll) {
2024 board->timer.data = (unsigned long) board; 2140 board->timer.data = (unsigned long)board;
2025 board->timer.function = sx_pollfunc; 2141 board->timer.function = sx_pollfunc;
2026 board->timer.expires = jiffies + board->poll; 2142 board->timer.expires = jiffies + board->poll;
2027 add_timer (&board->timer); 2143 add_timer(&board->timer);
2028 } 2144 }
2029 } else { 2145 } else {
2030 board->irq = 0; 2146 board->irq = 0;
2031 } 2147 }
2032 2148
2033 board->nports = chans; 2149 board->nports = chans;
2034 sx_dprintk (SX_DEBUG_INIT, "returning %d ports.", board->nports); 2150 sx_dprintk(SX_DEBUG_INIT, "returning %d ports.", board->nports);
2035 2151
2036 func_exit(); 2152 func_exit();
2037 return chans; 2153 return chans;
2038} 2154}
2039 2155
2040
2041static void __devinit printheader(void) 2156static void __devinit printheader(void)
2042{ 2157{
2043 static int header_printed; 2158 static int header_printed;
2044 2159
2045 if (!header_printed) { 2160 if (!header_printed) {
2046 printk (KERN_INFO "Specialix SX driver " 2161 printk(KERN_INFO "Specialix SX driver "
2047 "(C) 1998/1999 R.E.Wolff@BitWizard.nl \n"); 2162 "(C) 1998/1999 R.E.Wolff@BitWizard.nl\n");
2048 printk (KERN_INFO "sx: version " __stringify(SX_VERSION) "\n"); 2163 printk(KERN_INFO "sx: version " __stringify(SX_VERSION) "\n");
2049 header_printed = 1; 2164 header_printed = 1;
2050 } 2165 }
2051} 2166}
2052 2167
2053 2168static int __devinit probe_sx(struct sx_board *board)
2054static int __devinit probe_sx (struct sx_board *board)
2055{ 2169{
2056 struct vpd_prom vpdp; 2170 struct vpd_prom vpdp;
2057 char *p; 2171 char *p;
@@ -2059,51 +2173,57 @@ static int __devinit probe_sx (struct sx_board *board)
2059 2173
2060 func_enter(); 2174 func_enter();
2061 2175
2062 if (!IS_CF_BOARD (board)) { 2176 if (!IS_CF_BOARD(board)) {
2063 sx_dprintk (SX_DEBUG_PROBE, "Going to verify vpd prom at %p.\n", 2177 sx_dprintk(SX_DEBUG_PROBE, "Going to verify vpd prom at %p.\n",
2064 board->base + SX_VPD_ROM); 2178 board->base + SX_VPD_ROM);
2065 2179
2066 if (sx_debug & SX_DEBUG_PROBE) 2180 if (sx_debug & SX_DEBUG_PROBE)
2067 my_hd_io(board->base + SX_VPD_ROM, 0x40); 2181 my_hd_io(board->base + SX_VPD_ROM, 0x40);
2068 2182
2069 p = (char *) &vpdp; 2183 p = (char *)&vpdp;
2070 for (i=0;i< sizeof (struct vpd_prom);i++) 2184 for (i = 0; i < sizeof(struct vpd_prom); i++)
2071 *p++ = read_sx_byte (board, SX_VPD_ROM + i*2); 2185 *p++ = read_sx_byte(board, SX_VPD_ROM + i * 2);
2072 2186
2073 if (sx_debug & SX_DEBUG_PROBE) 2187 if (sx_debug & SX_DEBUG_PROBE)
2074 my_hd (&vpdp, 0x20); 2188 my_hd(&vpdp, 0x20);
2075 2189
2076 sx_dprintk (SX_DEBUG_PROBE, "checking identifier...\n"); 2190 sx_dprintk(SX_DEBUG_PROBE, "checking identifier...\n");
2077 2191
2078 if (strncmp (vpdp.identifier, SX_VPD_IDENT_STRING, 16) != 0) { 2192 if (strncmp(vpdp.identifier, SX_VPD_IDENT_STRING, 16) != 0) {
2079 sx_dprintk (SX_DEBUG_PROBE, "Got non-SX identifier: '%s'\n", 2193 sx_dprintk(SX_DEBUG_PROBE, "Got non-SX identifier: "
2080 vpdp.identifier); 2194 "'%s'\n", vpdp.identifier);
2081 return 0; 2195 return 0;
2082 } 2196 }
2083 } 2197 }
2084 2198
2085 printheader (); 2199 printheader();
2086
2087 if (!IS_CF_BOARD (board)) {
2088 printk (KERN_DEBUG "sx: Found an SX board at %lx\n", board->hw_base);
2089 printk (KERN_DEBUG "sx: hw_rev: %d, assembly level: %d, uniq ID:%08x, ",
2090 vpdp.hwrev, vpdp.hwass, vpdp.uniqid);
2091 printk ( "Manufactured: %d/%d\n",
2092 1970 + vpdp.myear, vpdp.mweek);
2093 2200
2201 if (!IS_CF_BOARD(board)) {
2202 printk(KERN_DEBUG "sx: Found an SX board at %lx\n",
2203 board->hw_base);
2204 printk(KERN_DEBUG "sx: hw_rev: %d, assembly level: %d, "
2205 "uniq ID:%08x, ",
2206 vpdp.hwrev, vpdp.hwass, vpdp.uniqid);
2207 printk("Manufactured: %d/%d\n", 1970 + vpdp.myear, vpdp.mweek);
2094 2208
2095 if ((((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) != SX_PCI_UNIQUEID1) && 2209 if ((((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) !=
2096 (((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) != SX_ISA_UNIQUEID1)) { 2210 SX_PCI_UNIQUEID1) && (((vpdp.uniqid >> 24) &
2097 /* This might be a bit harsh. This was the primary reason the 2211 SX_UNIQUEID_MASK) != SX_ISA_UNIQUEID1)) {
2098 SX/ISA card didn't work at first... */ 2212 /* This might be a bit harsh. This was the primary
2099 printk (KERN_ERR "sx: Hmm. Not an SX/PCI or SX/ISA card. Sorry: giving up.\n"); 2213 reason the SX/ISA card didn't work at first... */
2214 printk(KERN_ERR "sx: Hmm. Not an SX/PCI or SX/ISA "
2215 "card. Sorry: giving up.\n");
2100 return (0); 2216 return (0);
2101 } 2217 }
2102 2218
2103 if (((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) == SX_ISA_UNIQUEID1) { 2219 if (((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) ==
2220 SX_ISA_UNIQUEID1) {
2104 if (((unsigned long)board->hw_base) & 0x8000) { 2221 if (((unsigned long)board->hw_base) & 0x8000) {
2105 printk (KERN_WARNING "sx: Warning: There may be hardware problems with the card at %lx.\n", board->hw_base); 2222 printk(KERN_WARNING "sx: Warning: There may be "
2106 printk (KERN_WARNING "sx: Read sx.txt for more info.\n"); 2223 "hardware problems with the card at "
2224 "%lx.\n", board->hw_base);
2225 printk(KERN_WARNING "sx: Read sx.txt for more "
2226 "info.\n");
2107 } 2227 }
2108 } 2228 }
2109 } 2229 }
@@ -2111,9 +2231,9 @@ static int __devinit probe_sx (struct sx_board *board)
2111 board->nports = -1; 2231 board->nports = -1;
2112 2232
2113 /* This resets the processor, and keeps it off the bus. */ 2233 /* This resets the processor, and keeps it off the bus. */
2114 if (!sx_reset (board)) 2234 if (!sx_reset(board))
2115 return 0; 2235 return 0;
2116 sx_dprintk (SX_DEBUG_INIT, "reset the board...\n"); 2236 sx_dprintk(SX_DEBUG_INIT, "reset the board...\n");
2117 2237
2118 func_exit(); 2238 func_exit();
2119 return 1; 2239 return 1;
@@ -2127,28 +2247,27 @@ static int __devinit probe_sx (struct sx_board *board)
2127 card. 0xe0000 and 0xf0000 are taken by the BIOS. That only leaves 2247 card. 0xe0000 and 0xf0000 are taken by the BIOS. That only leaves
2128 0xc0000, 0xc8000, 0xd0000 and 0xd8000 . */ 2248 0xc0000, 0xc8000, 0xd0000 and 0xd8000 . */
2129 2249
2130static int __devinit probe_si (struct sx_board *board) 2250static int __devinit probe_si(struct sx_board *board)
2131{ 2251{
2132 int i; 2252 int i;
2133 2253
2134 func_enter(); 2254 func_enter();
2135 sx_dprintk (SX_DEBUG_PROBE, "Going to verify SI signature hw %lx at %p.\n", board->hw_base, 2255 sx_dprintk(SX_DEBUG_PROBE, "Going to verify SI signature hw %lx at "
2136 board->base + SI2_ISA_ID_BASE); 2256 "%p.\n", board->hw_base, board->base + SI2_ISA_ID_BASE);
2137 2257
2138 if (sx_debug & SX_DEBUG_PROBE) 2258 if (sx_debug & SX_DEBUG_PROBE)
2139 my_hd_io(board->base + SI2_ISA_ID_BASE, 0x8); 2259 my_hd_io(board->base + SI2_ISA_ID_BASE, 0x8);
2140 2260
2141 if (!IS_EISA_BOARD(board)) { 2261 if (!IS_EISA_BOARD(board)) {
2142 if( IS_SI1_BOARD(board) ) 2262 if (IS_SI1_BOARD(board)) {
2143 { 2263 for (i = 0; i < 8; i++) {
2144 for (i=0;i<8;i++) { 2264 write_sx_byte(board, SI2_ISA_ID_BASE + 7 - i,i);
2145 write_sx_byte (board, SI2_ISA_ID_BASE+7-i,i); 2265 }
2146
2147 } 2266 }
2148 } 2267 for (i = 0; i < 8; i++) {
2149 for (i=0;i<8;i++) { 2268 if ((read_sx_byte(board, SI2_ISA_ID_BASE + 7 - i) & 7)
2150 if ((read_sx_byte (board, SI2_ISA_ID_BASE+7-i) & 7) != i) { 2269 != i) {
2151 func_exit (); 2270 func_exit();
2152 return 0; 2271 return 0;
2153 } 2272 }
2154 } 2273 }
@@ -2158,20 +2277,20 @@ static int __devinit probe_si (struct sx_board *board)
2158 but to prevent trouble, we'd better double check that we don't 2277 but to prevent trouble, we'd better double check that we don't
2159 have an SI1 board when we're probing for an SI2 board.... */ 2278 have an SI1 board when we're probing for an SI2 board.... */
2160 2279
2161 write_sx_byte (board, SI2_ISA_ID_BASE,0x10); 2280 write_sx_byte(board, SI2_ISA_ID_BASE, 0x10);
2162 if ( IS_SI1_BOARD(board)) { 2281 if (IS_SI1_BOARD(board)) {
2163 /* This should be an SI1 board, which has this 2282 /* This should be an SI1 board, which has this
2164 location writable... */ 2283 location writable... */
2165 if (read_sx_byte (board, SI2_ISA_ID_BASE) != 0x10) { 2284 if (read_sx_byte(board, SI2_ISA_ID_BASE) != 0x10) {
2166 func_exit (); 2285 func_exit();
2167 return 0; 2286 return 0;
2168 } 2287 }
2169 } else { 2288 } else {
2170 /* This should be an SI2 board, which has the bottom 2289 /* This should be an SI2 board, which has the bottom
2171 3 bits non-writable... */ 2290 3 bits non-writable... */
2172 if (read_sx_byte (board, SI2_ISA_ID_BASE) == 0x10) { 2291 if (read_sx_byte(board, SI2_ISA_ID_BASE) == 0x10) {
2173 func_exit (); 2292 func_exit();
2174 return 0; 2293 return 0;
2175 } 2294 }
2176 } 2295 }
2177 2296
@@ -2179,35 +2298,35 @@ static int __devinit probe_si (struct sx_board *board)
2179 but to prevent trouble, we'd better double check that we don't 2298 but to prevent trouble, we'd better double check that we don't
2180 have an SI1 board when we're probing for an SI2 board.... */ 2299 have an SI1 board when we're probing for an SI2 board.... */
2181 2300
2182 write_sx_byte (board, SI2_ISA_ID_BASE,0x10); 2301 write_sx_byte(board, SI2_ISA_ID_BASE, 0x10);
2183 if ( IS_SI1_BOARD(board)) { 2302 if (IS_SI1_BOARD(board)) {
2184 /* This should be an SI1 board, which has this 2303 /* This should be an SI1 board, which has this
2185 location writable... */ 2304 location writable... */
2186 if (read_sx_byte (board, SI2_ISA_ID_BASE) != 0x10) { 2305 if (read_sx_byte(board, SI2_ISA_ID_BASE) != 0x10) {
2187 func_exit(); 2306 func_exit();
2188 return 0; 2307 return 0;
2189 } 2308 }
2190 } else { 2309 } else {
2191 /* This should be an SI2 board, which has the bottom 2310 /* This should be an SI2 board, which has the bottom
2192 3 bits non-writable... */ 2311 3 bits non-writable... */
2193 if (read_sx_byte (board, SI2_ISA_ID_BASE) == 0x10) { 2312 if (read_sx_byte(board, SI2_ISA_ID_BASE) == 0x10) {
2194 func_exit (); 2313 func_exit();
2195 return 0; 2314 return 0;
2196 } 2315 }
2197 } 2316 }
2198 2317
2199 printheader (); 2318 printheader();
2200 2319
2201 printk (KERN_DEBUG "sx: Found an SI board at %lx\n", board->hw_base); 2320 printk(KERN_DEBUG "sx: Found an SI board at %lx\n", board->hw_base);
2202 /* Compared to the SX boards, it is a complete guess as to what 2321 /* Compared to the SX boards, it is a complete guess as to what
2203 this card is up to... */ 2322 this card is up to... */
2204 2323
2205 board->nports = -1; 2324 board->nports = -1;
2206 2325
2207 /* This resets the processor, and keeps it off the bus. */ 2326 /* This resets the processor, and keeps it off the bus. */
2208 if (!sx_reset (board)) 2327 if (!sx_reset(board))
2209 return 0; 2328 return 0;
2210 sx_dprintk (SX_DEBUG_INIT, "reset the board...\n"); 2329 sx_dprintk(SX_DEBUG_INIT, "reset the board...\n");
2211 2330
2212 func_exit(); 2331 func_exit();
2213 return 1; 2332 return 1;
@@ -2216,7 +2335,7 @@ static int __devinit probe_si (struct sx_board *board)
2216 2335
2217static const struct tty_operations sx_ops = { 2336static const struct tty_operations sx_ops = {
2218 .break_ctl = sx_break, 2337 .break_ctl = sx_break,
2219 .open = sx_open, 2338 .open = sx_open,
2220 .close = gs_close, 2339 .close = gs_close,
2221 .write = gs_write, 2340 .write = gs_write,
2222 .put_char = gs_put_char, 2341 .put_char = gs_put_char,
@@ -2251,8 +2370,7 @@ static int sx_init_drivers(void)
2251 sx_driver->type = TTY_DRIVER_TYPE_SERIAL; 2370 sx_driver->type = TTY_DRIVER_TYPE_SERIAL;
2252 sx_driver->subtype = SERIAL_TYPE_NORMAL; 2371 sx_driver->subtype = SERIAL_TYPE_NORMAL;
2253 sx_driver->init_termios = tty_std_termios; 2372 sx_driver->init_termios = tty_std_termios;
2254 sx_driver->init_termios.c_cflag = 2373 sx_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
2255 B9600 | CS8 | CREAD | HUPCL | CLOCAL;
2256 sx_driver->init_termios.c_ispeed = 9600; 2374 sx_driver->init_termios.c_ispeed = 9600;
2257 sx_driver->init_termios.c_ospeed = 9600; 2375 sx_driver->init_termios.c_ospeed = 9600;
2258 sx_driver->flags = TTY_DRIVER_REAL_RAW; 2376 sx_driver->flags = TTY_DRIVER_REAL_RAW;
@@ -2261,14 +2379,14 @@ static int sx_init_drivers(void)
2261 if ((error = tty_register_driver(sx_driver))) { 2379 if ((error = tty_register_driver(sx_driver))) {
2262 put_tty_driver(sx_driver); 2380 put_tty_driver(sx_driver);
2263 printk(KERN_ERR "sx: Couldn't register sx driver, error = %d\n", 2381 printk(KERN_ERR "sx: Couldn't register sx driver, error = %d\n",
2264 error); 2382 error);
2265 return 1; 2383 return 1;
2266 } 2384 }
2267 func_exit(); 2385 func_exit();
2268 return 0; 2386 return 0;
2269} 2387}
2270 2388
2271static int sx_init_portstructs (int nboards, int nports) 2389static int sx_init_portstructs(int nboards, int nports)
2272{ 2390{
2273 struct sx_board *board; 2391 struct sx_board *board;
2274 struct sx_port *port; 2392 struct sx_port *port;
@@ -2279,7 +2397,8 @@ static int sx_init_portstructs (int nboards, int nports)
2279 func_enter(); 2397 func_enter();
2280 2398
2281 /* Many drivers statically allocate the maximum number of ports 2399 /* Many drivers statically allocate the maximum number of ports
2282 There is no reason not to allocate them dynamically. Is there? -- REW */ 2400 There is no reason not to allocate them dynamically.
2401 Is there? -- REW */
2283 sx_ports = kcalloc(nports, sizeof(struct sx_port), GFP_KERNEL); 2402 sx_ports = kcalloc(nports, sizeof(struct sx_port), GFP_KERNEL);
2284 if (!sx_ports) 2403 if (!sx_ports)
2285 return -ENOMEM; 2404 return -ENOMEM;
@@ -2288,10 +2407,10 @@ static int sx_init_portstructs (int nboards, int nports)
2288 for (i = 0; i < nboards; i++) { 2407 for (i = 0; i < nboards; i++) {
2289 board = &boards[i]; 2408 board = &boards[i];
2290 board->ports = port; 2409 board->ports = port;
2291 for (j=0; j < boards[i].nports;j++) { 2410 for (j = 0; j < boards[i].nports; j++) {
2292 sx_dprintk (SX_DEBUG_INIT, "initing port %d\n", j); 2411 sx_dprintk(SX_DEBUG_INIT, "initing port %d\n", j);
2293 port->gs.magic = SX_MAGIC; 2412 port->gs.magic = SX_MAGIC;
2294 port->gs.close_delay = HZ/2; 2413 port->gs.close_delay = HZ / 2;
2295 port->gs.closing_wait = 30 * HZ; 2414 port->gs.closing_wait = 30 * HZ;
2296 port->board = board; 2415 port->board = board;
2297 port->gs.rd = &sx_real_driver; 2416 port->gs.rd = &sx_real_driver;
@@ -2303,8 +2422,8 @@ static int sx_init_portstructs (int nboards, int nports)
2303 * Initializing wait queue 2422 * Initializing wait queue
2304 */ 2423 */
2305 init_waitqueue_head(&port->gs.open_wait); 2424 init_waitqueue_head(&port->gs.open_wait);
2306 init_waitqueue_head(&port->gs.close_wait); 2425 init_waitqueue_head(&port->gs.close_wait);
2307 2426
2308 port++; 2427 port++;
2309 } 2428 }
2310 } 2429 }
@@ -2315,28 +2434,36 @@ static int sx_init_portstructs (int nboards, int nports)
2315 board = &boards[i]; 2434 board = &boards[i];
2316 board->port_base = portno; 2435 board->port_base = portno;
2317 /* Possibly the configuration was rejected. */ 2436 /* Possibly the configuration was rejected. */
2318 sx_dprintk (SX_DEBUG_PROBE, "Board has %d channels\n", board->nports); 2437 sx_dprintk(SX_DEBUG_PROBE, "Board has %d channels\n",
2319 if (board->nports <= 0) continue; 2438 board->nports);
2439 if (board->nports <= 0)
2440 continue;
2320 /* XXX byteorder ?? */ 2441 /* XXX byteorder ?? */
2321 for (addr = 0x80;addr != 0;addr = read_sx_word (board, addr) & 0x7fff) { 2442 for (addr = 0x80; addr != 0;
2322 chans = sx_read_module_byte (board, addr, mc_type); 2443 addr = read_sx_word(board, addr) & 0x7fff) {
2323 sx_dprintk (SX_DEBUG_PROBE, "Module at %x: %d channels\n", addr, chans); 2444 chans = sx_read_module_byte(board, addr, mc_type);
2324 sx_dprintk (SX_DEBUG_PROBE, "Port at"); 2445 sx_dprintk(SX_DEBUG_PROBE, "Module at %x: %d "
2325 for (j=0;j<chans;j++) { 2446 "channels\n", addr, chans);
2326 /* The "sx-way" is the way it SHOULD be done. That way in the 2447 sx_dprintk(SX_DEBUG_PROBE, "Port at");
2327 future, the firmware may for example pack the structures a bit 2448 for (j = 0; j < chans; j++) {
2328 more efficient. Neil tells me it isn't going to happen anytime 2449 /* The "sx-way" is the way it SHOULD be done.
2329 soon though. */ 2450 That way in the future, the firmware may for
2451 example pack the structures a bit more
2452 efficient. Neil tells me it isn't going to
2453 happen anytime soon though. */
2330 if (IS_SX_BOARD(board)) 2454 if (IS_SX_BOARD(board))
2331 port->ch_base = sx_read_module_word (board, addr+j*2, mc_chan_pointer); 2455 port->ch_base = sx_read_module_word(
2456 board, addr + j * 2,
2457 mc_chan_pointer);
2332 else 2458 else
2333 port->ch_base = addr + 0x100 + 0x300*j; 2459 port->ch_base = addr + 0x100 + 0x300 *j;
2334 2460
2335 sx_dprintk (SX_DEBUG_PROBE, " %x", port->ch_base); 2461 sx_dprintk(SX_DEBUG_PROBE, " %x",
2462 port->ch_base);
2336 port->line = portno++; 2463 port->line = portno++;
2337 port++; 2464 port++;
2338 } 2465 }
2339 sx_dprintk (SX_DEBUG_PROBE, "\n"); 2466 sx_dprintk(SX_DEBUG_PROBE, "\n");
2340 } 2467 }
2341 /* This has to be done earlier. */ 2468 /* This has to be done earlier. */
2342 /* board->flags |= SX_BOARD_INITIALIZED; */ 2469 /* board->flags |= SX_BOARD_INITIALIZED; */
@@ -2350,7 +2477,7 @@ static unsigned int sx_find_free_board(void)
2350{ 2477{
2351 unsigned int i; 2478 unsigned int i;
2352 2479
2353 for (i = 0; i < SX_NBOARDS; i++) 2480 for (i = 0; i < SX_NBOARDS; i++)
2354 if (!(boards[i].flags & SX_BOARD_PRESENT)) 2481 if (!(boards[i].flags & SX_BOARD_PRESENT))
2355 break; 2482 break;
2356 2483
@@ -2378,7 +2505,7 @@ static void __devexit sx_remove_card(struct sx_board *board)
2378 del_timer(&board->timer); 2505 del_timer(&board->timer);
2379 iounmap(board->base); 2506 iounmap(board->base);
2380 2507
2381 board->flags &= ~(SX_BOARD_INITIALIZED|SX_BOARD_PRESENT); 2508 board->flags &= ~(SX_BOARD_INITIALIZED | SX_BOARD_PRESENT);
2382 } 2509 }
2383} 2510}
2384 2511
@@ -2403,17 +2530,17 @@ static int __devinit sx_eisa_probe(struct device *dev)
2403 mutex_unlock(&sx_boards_lock); 2530 mutex_unlock(&sx_boards_lock);
2404 2531
2405 dev_info(dev, "XIO : Signature found in EISA slot %lu, " 2532 dev_info(dev, "XIO : Signature found in EISA slot %lu, "
2406 "Product %d Rev %d (REPORT THIS TO LKLM)\n", 2533 "Product %d Rev %d (REPORT THIS TO LKLM)\n",
2407 eisa_slot >> 12, 2534 eisa_slot >> 12,
2408 inb(eisa_slot + EISA_VENDOR_ID_OFFSET + 2), 2535 inb(eisa_slot + EISA_VENDOR_ID_OFFSET + 2),
2409 inb(eisa_slot + EISA_VENDOR_ID_OFFSET + 3)); 2536 inb(eisa_slot + EISA_VENDOR_ID_OFFSET + 3));
2410 2537
2411 board->eisa_base = eisa_slot; 2538 board->eisa_base = eisa_slot;
2412 board->flags &= ~SX_BOARD_TYPE; 2539 board->flags &= ~SX_BOARD_TYPE;
2413 board->flags |= SI_EISA_BOARD; 2540 board->flags |= SI_EISA_BOARD;
2414 2541
2415 board->hw_base = ((inb(eisa_slot + 0xc01) << 8) + 2542 board->hw_base = ((inb(eisa_slot + 0xc01) << 8) +
2416 inb(eisa_slot + 0xc00)) << 16; 2543 inb(eisa_slot + 0xc00)) << 16;
2417 board->base2 = 2544 board->base2 =
2418 board->base = ioremap(board->hw_base, SI2_EISA_WINDOW_LEN); 2545 board->base = ioremap(board->hw_base, SI2_EISA_WINDOW_LEN);
2419 2546
@@ -2448,6 +2575,7 @@ static struct eisa_device_id sx_eisa_tbl[] = {
2448 { "SLX" }, 2575 { "SLX" },
2449 { "" } 2576 { "" }
2450}; 2577};
2578
2451MODULE_DEVICE_TABLE(eisa, sx_eisa_tbl); 2579MODULE_DEVICE_TABLE(eisa, sx_eisa_tbl);
2452 2580
2453static struct eisa_driver sx_eisadriver = { 2581static struct eisa_driver sx_eisadriver = {
@@ -2478,22 +2606,23 @@ static void __devinit fix_sx_pci(struct pci_dev *pdev, struct sx_board *board)
2478 void __iomem *rebase; 2606 void __iomem *rebase;
2479 unsigned int t; 2607 unsigned int t;
2480 2608
2481#define CNTRL_REG_OFFSET 0x50 2609#define CNTRL_REG_OFFSET 0x50
2482#define CNTRL_REG_GOODVALUE 0x18260000 2610#define CNTRL_REG_GOODVALUE 0x18260000
2483 2611
2484 pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &hwbase); 2612 pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &hwbase);
2485 hwbase &= PCI_BASE_ADDRESS_MEM_MASK; 2613 hwbase &= PCI_BASE_ADDRESS_MEM_MASK;
2486 rebase = ioremap(hwbase, 0x80); 2614 rebase = ioremap(hwbase, 0x80);
2487 t = readl (rebase + CNTRL_REG_OFFSET); 2615 t = readl(rebase + CNTRL_REG_OFFSET);
2488 if (t != CNTRL_REG_GOODVALUE) { 2616 if (t != CNTRL_REG_GOODVALUE) {
2489 printk (KERN_DEBUG "sx: performing cntrl reg fix: %08x -> %08x\n", t, CNTRL_REG_GOODVALUE); 2617 printk(KERN_DEBUG "sx: performing cntrl reg fix: %08x -> "
2490 writel (CNTRL_REG_GOODVALUE, rebase + CNTRL_REG_OFFSET); 2618 "%08x\n", t, CNTRL_REG_GOODVALUE);
2619 writel(CNTRL_REG_GOODVALUE, rebase + CNTRL_REG_OFFSET);
2491 } 2620 }
2492 iounmap(rebase); 2621 iounmap(rebase);
2493} 2622}
2494 2623
2495static int __devinit sx_pci_probe(struct pci_dev *pdev, 2624static int __devinit sx_pci_probe(struct pci_dev *pdev,
2496 const struct pci_device_id *ent) 2625 const struct pci_device_id *ent)
2497{ 2626{
2498 struct sx_board *board; 2627 struct sx_board *board;
2499 unsigned int i; 2628 unsigned int i;
@@ -2515,28 +2644,28 @@ static int __devinit sx_pci_probe(struct pci_dev *pdev,
2515 2644
2516 board->flags &= ~SX_BOARD_TYPE; 2645 board->flags &= ~SX_BOARD_TYPE;
2517 board->flags |= (pdev->subsystem_vendor == 0x200) ? SX_PCI_BOARD : 2646 board->flags |= (pdev->subsystem_vendor == 0x200) ? SX_PCI_BOARD :
2518 SX_CFPCI_BOARD; 2647 SX_CFPCI_BOARD;
2519 2648
2520 /* CF boards use base address 3.... */ 2649 /* CF boards use base address 3.... */
2521 if (IS_CF_BOARD (board)) 2650 if (IS_CF_BOARD(board))
2522 board->hw_base = pci_resource_start(pdev, 3); 2651 board->hw_base = pci_resource_start(pdev, 3);
2523 else 2652 else
2524 board->hw_base = pci_resource_start(pdev, 2); 2653 board->hw_base = pci_resource_start(pdev, 2);
2525 board->base2 = 2654 board->base2 =
2526 board->base = ioremap(board->hw_base, WINDOW_LEN (board)); 2655 board->base = ioremap(board->hw_base, WINDOW_LEN(board));
2527 if (!board->base) { 2656 if (!board->base) {
2528 dev_err(&pdev->dev, "ioremap failed\n"); 2657 dev_err(&pdev->dev, "ioremap failed\n");
2529 goto err_flag; 2658 goto err_flag;
2530 } 2659 }
2531 2660
2532 /* Most of the stuff on the CF board is offset by 0x18000 .... */ 2661 /* Most of the stuff on the CF board is offset by 0x18000 .... */
2533 if (IS_CF_BOARD (board)) 2662 if (IS_CF_BOARD(board))
2534 board->base += 0x18000; 2663 board->base += 0x18000;
2535 2664
2536 board->irq = pdev->irq; 2665 board->irq = pdev->irq;
2537 2666
2538 dev_info(&pdev->dev, "Got a specialix card: %p(%d) %x.\n", board->base, 2667 dev_info(&pdev->dev, "Got a specialix card: %p(%d) %x.\n", board->base,
2539 board->irq, board->flags); 2668 board->irq, board->flags);
2540 2669
2541 if (!probe_sx(board)) { 2670 if (!probe_sx(board)) {
2542 retval = -EIO; 2671 retval = -EIO;
@@ -2567,11 +2696,12 @@ static void __devexit sx_pci_remove(struct pci_dev *pdev)
2567 its because the standard requires it. So check for SUBVENDOR_ID. */ 2696 its because the standard requires it. So check for SUBVENDOR_ID. */
2568static struct pci_device_id sx_pci_tbl[] = { 2697static struct pci_device_id sx_pci_tbl[] = {
2569 { PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8, 2698 { PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8,
2570 .subvendor = 0x0200, .subdevice = PCI_ANY_ID }, 2699 .subvendor = 0x0200,.subdevice = PCI_ANY_ID },
2571 { PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8, 2700 { PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8,
2572 .subvendor = 0x0300, .subdevice = PCI_ANY_ID }, 2701 .subvendor = 0x0300,.subdevice = PCI_ANY_ID },
2573 { 0 } 2702 { 0 }
2574}; 2703};
2704
2575MODULE_DEVICE_TABLE(pci, sx_pci_tbl); 2705MODULE_DEVICE_TABLE(pci, sx_pci_tbl);
2576 2706
2577static struct pci_driver sx_pcidriver = { 2707static struct pci_driver sx_pcidriver = {
@@ -2581,7 +2711,7 @@ static struct pci_driver sx_pcidriver = {
2581 .remove = __devexit_p(sx_pci_remove) 2711 .remove = __devexit_p(sx_pci_remove)
2582}; 2712};
2583 2713
2584static int __init sx_init(void) 2714static int __init sx_init(void)
2585{ 2715{
2586#ifdef CONFIG_EISA 2716#ifdef CONFIG_EISA
2587 int retval1; 2717 int retval1;
@@ -2594,29 +2724,30 @@ static int __init sx_init(void)
2594 int retval; 2724 int retval;
2595 2725
2596 func_enter(); 2726 func_enter();
2597 sx_dprintk (SX_DEBUG_INIT, "Initing sx module... (sx_debug=%d)\n", sx_debug); 2727 sx_dprintk(SX_DEBUG_INIT, "Initing sx module... (sx_debug=%d)\n",
2598 if (abs ((long) (&sx_debug) - sx_debug) < 0x10000) { 2728 sx_debug);
2599 printk (KERN_WARNING "sx: sx_debug is an address, instead of a value. " 2729 if (abs((long)(&sx_debug) - sx_debug) < 0x10000) {
2600 "Assuming -1.\n"); 2730 printk(KERN_WARNING "sx: sx_debug is an address, instead of a "
2601 printk ("(%p)\n", &sx_debug); 2731 "value. Assuming -1.\n(%p)\n", &sx_debug);
2602 sx_debug=-1; 2732 sx_debug = -1;
2603 } 2733 }
2604 2734
2605 if (misc_register(&sx_fw_device) < 0) { 2735 if (misc_register(&sx_fw_device) < 0) {
2606 printk(KERN_ERR "SX: Unable to register firmware loader driver.\n"); 2736 printk(KERN_ERR "SX: Unable to register firmware loader "
2737 "driver.\n");
2607 return -EIO; 2738 return -EIO;
2608 } 2739 }
2609#ifdef CONFIG_ISA 2740#ifdef CONFIG_ISA
2610 for (i=0;i<NR_SX_ADDRS;i++) { 2741 for (i = 0; i < NR_SX_ADDRS; i++) {
2611 board = &boards[found]; 2742 board = &boards[found];
2612 board->hw_base = sx_probe_addrs[i]; 2743 board->hw_base = sx_probe_addrs[i];
2613 board->base2 = 2744 board->base2 =
2614 board->base = ioremap(board->hw_base, SX_WINDOW_LEN); 2745 board->base = ioremap(board->hw_base, SX_WINDOW_LEN);
2615 board->flags &= ~SX_BOARD_TYPE; 2746 board->flags &= ~SX_BOARD_TYPE;
2616 board->flags |= SX_ISA_BOARD; 2747 board->flags |= SX_ISA_BOARD;
2617 board->irq = sx_irqmask?-1:0; 2748 board->irq = sx_irqmask ? -1 : 0;
2618 2749
2619 if (probe_sx (board)) { 2750 if (probe_sx(board)) {
2620 board->flags |= SX_BOARD_PRESENT; 2751 board->flags |= SX_BOARD_PRESENT;
2621 found++; 2752 found++;
2622 } else { 2753 } else {
@@ -2624,36 +2755,36 @@ static int __init sx_init(void)
2624 } 2755 }
2625 } 2756 }
2626 2757
2627 for (i=0;i<NR_SI_ADDRS;i++) { 2758 for (i = 0; i < NR_SI_ADDRS; i++) {
2628 board = &boards[found]; 2759 board = &boards[found];
2629 board->hw_base = si_probe_addrs[i]; 2760 board->hw_base = si_probe_addrs[i];
2630 board->base2 = 2761 board->base2 =
2631 board->base = ioremap(board->hw_base, SI2_ISA_WINDOW_LEN); 2762 board->base = ioremap(board->hw_base, SI2_ISA_WINDOW_LEN);
2632 board->flags &= ~SX_BOARD_TYPE; 2763 board->flags &= ~SX_BOARD_TYPE;
2633 board->flags |= SI_ISA_BOARD; 2764 board->flags |= SI_ISA_BOARD;
2634 board->irq = sx_irqmask ?-1:0; 2765 board->irq = sx_irqmask ? -1 : 0;
2635 2766
2636 if (probe_si (board)) { 2767 if (probe_si(board)) {
2637 board->flags |= SX_BOARD_PRESENT; 2768 board->flags |= SX_BOARD_PRESENT;
2638 found++; 2769 found++;
2639 } else { 2770 } else {
2640 iounmap (board->base); 2771 iounmap(board->base);
2641 } 2772 }
2642 } 2773 }
2643 for (i=0;i<NR_SI1_ADDRS;i++) { 2774 for (i = 0; i < NR_SI1_ADDRS; i++) {
2644 board = &boards[found]; 2775 board = &boards[found];
2645 board->hw_base = si1_probe_addrs[i]; 2776 board->hw_base = si1_probe_addrs[i];
2646 board->base2 = 2777 board->base2 =
2647 board->base = ioremap(board->hw_base, SI1_ISA_WINDOW_LEN); 2778 board->base = ioremap(board->hw_base, SI1_ISA_WINDOW_LEN);
2648 board->flags &= ~SX_BOARD_TYPE; 2779 board->flags &= ~SX_BOARD_TYPE;
2649 board->flags |= SI1_ISA_BOARD; 2780 board->flags |= SI1_ISA_BOARD;
2650 board->irq = sx_irqmask ?-1:0; 2781 board->irq = sx_irqmask ? -1 : 0;
2651 2782
2652 if (probe_si (board)) { 2783 if (probe_si(board)) {
2653 board->flags |= SX_BOARD_PRESENT; 2784 board->flags |= SX_BOARD_PRESENT;
2654 found++; 2785 found++;
2655 } else { 2786 } else {
2656 iounmap (board->base); 2787 iounmap(board->base);
2657 } 2788 }
2658 } 2789 }
2659#endif 2790#endif
@@ -2663,23 +2794,22 @@ static int __init sx_init(void)
2663 retval = pci_register_driver(&sx_pcidriver); 2794 retval = pci_register_driver(&sx_pcidriver);
2664 2795
2665 if (found) { 2796 if (found) {
2666 printk (KERN_INFO "sx: total of %d boards detected.\n", found); 2797 printk(KERN_INFO "sx: total of %d boards detected.\n", found);
2667 retval = 0; 2798 retval = 0;
2668 } else if (retval) { 2799 } else if (retval) {
2669#ifdef CONFIG_EISA 2800#ifdef CONFIG_EISA
2670 if (retval1) 2801 if (retval1)
2671#endif 2802#endif
2672 misc_deregister(&sx_fw_device); 2803 misc_deregister(&sx_fw_device);
2673 } 2804 }
2674 2805
2675 func_exit(); 2806 func_exit();
2676 return retval; 2807 return retval;
2677} 2808}
2678 2809
2679 2810static void __exit sx_exit(void)
2680static void __exit sx_exit (void)
2681{ 2811{
2682 int i; 2812 int i;
2683 2813
2684 func_enter(); 2814 func_enter();
2685#ifdef CONFIG_EISA 2815#ifdef CONFIG_EISA
@@ -2691,17 +2821,17 @@ static void __exit sx_exit (void)
2691 sx_remove_card(&boards[i]); 2821 sx_remove_card(&boards[i]);
2692 2822
2693 if (misc_deregister(&sx_fw_device) < 0) { 2823 if (misc_deregister(&sx_fw_device) < 0) {
2694 printk (KERN_INFO "sx: couldn't deregister firmware loader device\n"); 2824 printk(KERN_INFO "sx: couldn't deregister firmware loader "
2825 "device\n");
2695 } 2826 }
2696 sx_dprintk (SX_DEBUG_CLEANUP, "Cleaning up drivers (%d)\n", sx_initialized); 2827 sx_dprintk(SX_DEBUG_CLEANUP, "Cleaning up drivers (%d)\n",
2828 sx_initialized);
2697 if (sx_initialized) 2829 if (sx_initialized)
2698 sx_release_drivers (); 2830 sx_release_drivers();
2699 2831
2700 kfree (sx_ports); 2832 kfree(sx_ports);
2701 func_exit(); 2833 func_exit();
2702} 2834}
2703 2835
2704module_init(sx_init); 2836module_init(sx_init);
2705module_exit(sx_exit); 2837module_exit(sx_exit);
2706
2707
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-07 14:25:31 -0500