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-rw-r--r--drivers/char/specialix.c663
1 files changed, 361 insertions, 302 deletions
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index 037dc47e4cb1..c390c6cc030e 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -77,7 +77,7 @@
77 77
78#include <linux/module.h> 78#include <linux/module.h>
79 79
80#include <asm/io.h> 80#include <linux/io.h>
81#include <linux/kernel.h> 81#include <linux/kernel.h>
82#include <linux/sched.h> 82#include <linux/sched.h>
83#include <linux/ioport.h> 83#include <linux/ioport.h>
@@ -92,7 +92,7 @@
92#include <linux/delay.h> 92#include <linux/delay.h>
93#include <linux/pci.h> 93#include <linux/pci.h>
94#include <linux/init.h> 94#include <linux/init.h>
95#include <asm/uaccess.h> 95#include <linux/uaccess.h>
96 96
97#include "specialix_io8.h" 97#include "specialix_io8.h"
98#include "cd1865.h" 98#include "cd1865.h"
@@ -112,7 +112,7 @@ static int sx_debug;
112static int sx_rxfifo = SPECIALIX_RXFIFO; 112static int sx_rxfifo = SPECIALIX_RXFIFO;
113 113
114#ifdef DEBUG 114#ifdef DEBUG
115#define dprintk(f, str...) if (sx_debug & f) printk (str) 115#define dprintk(f, str...) if (sx_debug & f) printk(str)
116#else 116#else
117#define dprintk(f, str...) /* nothing */ 117#define dprintk(f, str...) /* nothing */
118#endif 118#endif
@@ -131,8 +131,8 @@ static int sx_rxfifo = SPECIALIX_RXFIFO;
131#define SX_DEBUG_FIFO 0x0800 131#define SX_DEBUG_FIFO 0x0800
132 132
133 133
134#define func_enter() dprintk (SX_DEBUG_FLOW, "io8: enter %s\n",__func__) 134#define func_enter() dprintk(SX_DEBUG_FLOW, "io8: enter %s\n", __func__)
135#define func_exit() dprintk (SX_DEBUG_FLOW, "io8: exit %s\n", __func__) 135#define func_exit() dprintk(SX_DEBUG_FLOW, "io8: exit %s\n", __func__)
136 136
137#define jiffies_from_ms(a) ((((a) * HZ)/1000)+1) 137#define jiffies_from_ms(a) ((((a) * HZ)/1000)+1)
138 138
@@ -169,8 +169,8 @@ static int sx_poll = HZ;
169#endif 169#endif
170 170
171 171
172/* Used to be outb (0xff, 0x80); */ 172/* Used to be outb(0xff, 0x80); */
173#define short_pause() udelay (1) 173#define short_pause() udelay(1)
174 174
175 175
176#define SPECIALIX_LEGAL_FLAGS \ 176#define SPECIALIX_LEGAL_FLAGS \
@@ -192,19 +192,19 @@ static struct specialix_port sx_port[SX_NBOARD * SX_NPORT];
192 192
193#ifdef SPECIALIX_TIMER 193#ifdef SPECIALIX_TIMER
194static struct timer_list missed_irq_timer; 194static struct timer_list missed_irq_timer;
195static irqreturn_t sx_interrupt(int irq, void * dev_id); 195static irqreturn_t sx_interrupt(int irq, void *dev_id);
196#endif 196#endif
197 197
198 198
199 199
200static inline int sx_paranoia_check(struct specialix_port const * port, 200static inline int sx_paranoia_check(struct specialix_port const *port,
201 char *name, const char *routine) 201 char *name, const char *routine)
202{ 202{
203#ifdef SPECIALIX_PARANOIA_CHECK 203#ifdef SPECIALIX_PARANOIA_CHECK
204 static const char *badmagic = 204 static const char *badmagic = KERN_ERR
205 KERN_ERR "sx: Warning: bad specialix port magic number for device %s in %s\n"; 205 "sx: Warning: bad specialix port magic number for device %s in %s\n";
206 static const char *badinfo = 206 static const char *badinfo = KERN_ERR
207 KERN_ERR "sx: Warning: null specialix port for device %s in %s\n"; 207 "sx: Warning: null specialix port for device %s in %s\n";
208 208
209 if (!port) { 209 if (!port) {
210 printk(badinfo, name, routine); 210 printk(badinfo, name, routine);
@@ -226,66 +226,69 @@ static inline int sx_paranoia_check(struct specialix_port const * port,
226 */ 226 */
227 227
228/* Get board number from pointer */ 228/* Get board number from pointer */
229static inline int board_No (struct specialix_board * bp) 229static inline int board_No(struct specialix_board *bp)
230{ 230{
231 return bp - sx_board; 231 return bp - sx_board;
232} 232}
233 233
234 234
235/* Get port number from pointer */ 235/* Get port number from pointer */
236static inline int port_No (struct specialix_port const * port) 236static inline int port_No(struct specialix_port const *port)
237{ 237{
238 return SX_PORT(port - sx_port); 238 return SX_PORT(port - sx_port);
239} 239}
240 240
241 241
242/* Get pointer to board from pointer to port */ 242/* Get pointer to board from pointer to port */
243static inline struct specialix_board * port_Board(struct specialix_port const * port) 243static inline struct specialix_board *port_Board(
244 struct specialix_port const *port)
244{ 245{
245 return &sx_board[SX_BOARD(port - sx_port)]; 246 return &sx_board[SX_BOARD(port - sx_port)];
246} 247}
247 248
248 249
249/* Input Byte from CL CD186x register */ 250/* Input Byte from CL CD186x register */
250static inline unsigned char sx_in(struct specialix_board * bp, unsigned short reg) 251static inline unsigned char sx_in(struct specialix_board *bp,
252 unsigned short reg)
251{ 253{
252 bp->reg = reg | 0x80; 254 bp->reg = reg | 0x80;
253 outb (reg | 0x80, bp->base + SX_ADDR_REG); 255 outb(reg | 0x80, bp->base + SX_ADDR_REG);
254 return inb (bp->base + SX_DATA_REG); 256 return inb(bp->base + SX_DATA_REG);
255} 257}
256 258
257 259
258/* Output Byte to CL CD186x register */ 260/* Output Byte to CL CD186x register */
259static inline void sx_out(struct specialix_board * bp, unsigned short reg, 261static inline void sx_out(struct specialix_board *bp, unsigned short reg,
260 unsigned char val) 262 unsigned char val)
261{ 263{
262 bp->reg = reg | 0x80; 264 bp->reg = reg | 0x80;
263 outb (reg | 0x80, bp->base + SX_ADDR_REG); 265 outb(reg | 0x80, bp->base + SX_ADDR_REG);
264 outb (val, bp->base + SX_DATA_REG); 266 outb(val, bp->base + SX_DATA_REG);
265} 267}
266 268
267 269
268/* Input Byte from CL CD186x register */ 270/* Input Byte from CL CD186x register */
269static inline unsigned char sx_in_off(struct specialix_board * bp, unsigned short reg) 271static inline unsigned char sx_in_off(struct specialix_board *bp,
272 unsigned short reg)
270{ 273{
271 bp->reg = reg; 274 bp->reg = reg;
272 outb (reg, bp->base + SX_ADDR_REG); 275 outb(reg, bp->base + SX_ADDR_REG);
273 return inb (bp->base + SX_DATA_REG); 276 return inb(bp->base + SX_DATA_REG);
274} 277}
275 278
276 279
277/* Output Byte to CL CD186x register */ 280/* Output Byte to CL CD186x register */
278static inline void sx_out_off(struct specialix_board * bp, unsigned short reg, 281static inline void sx_out_off(struct specialix_board *bp,
279 unsigned char val) 282 unsigned short reg, unsigned char val)
280{ 283{
281 bp->reg = reg; 284 bp->reg = reg;
282 outb (reg, bp->base + SX_ADDR_REG); 285 outb(reg, bp->base + SX_ADDR_REG);
283 outb (val, bp->base + SX_DATA_REG); 286 outb(val, bp->base + SX_DATA_REG);
284} 287}
285 288
286 289
287/* Wait for Channel Command Register ready */ 290/* Wait for Channel Command Register ready */
288static inline void sx_wait_CCR(struct specialix_board * bp) 291static inline void sx_wait_CCR(struct specialix_board *bp)
289{ 292{
290 unsigned long delay, flags; 293 unsigned long delay, flags;
291 unsigned char ccr; 294 unsigned char ccr;
@@ -296,7 +299,7 @@ static inline void sx_wait_CCR(struct specialix_board * bp)
296 spin_unlock_irqrestore(&bp->lock, flags); 299 spin_unlock_irqrestore(&bp->lock, flags);
297 if (!ccr) 300 if (!ccr)
298 return; 301 return;
299 udelay (1); 302 udelay(1);
300 } 303 }
301 304
302 printk(KERN_ERR "sx%d: Timeout waiting for CCR.\n", board_No(bp)); 305 printk(KERN_ERR "sx%d: Timeout waiting for CCR.\n", board_No(bp));
@@ -304,7 +307,7 @@ static inline void sx_wait_CCR(struct specialix_board * bp)
304 307
305 308
306/* Wait for Channel Command Register ready */ 309/* Wait for Channel Command Register ready */
307static inline void sx_wait_CCR_off(struct specialix_board * bp) 310static inline void sx_wait_CCR_off(struct specialix_board *bp)
308{ 311{
309 unsigned long delay; 312 unsigned long delay;
310 unsigned char crr; 313 unsigned char crr;
@@ -316,7 +319,7 @@ static inline void sx_wait_CCR_off(struct specialix_board * bp)
316 spin_unlock_irqrestore(&bp->lock, flags); 319 spin_unlock_irqrestore(&bp->lock, flags);
317 if (!crr) 320 if (!crr)
318 return; 321 return;
319 udelay (1); 322 udelay(1);
320 } 323 }
321 324
322 printk(KERN_ERR "sx%d: Timeout waiting for CCR.\n", board_No(bp)); 325 printk(KERN_ERR "sx%d: Timeout waiting for CCR.\n", board_No(bp));
@@ -327,7 +330,7 @@ static inline void sx_wait_CCR_off(struct specialix_board * bp)
327 * specialix IO8+ IO range functions. 330 * specialix IO8+ IO range functions.
328 */ 331 */
329 332
330static inline int sx_request_io_range(struct specialix_board * bp) 333static inline int sx_request_io_range(struct specialix_board *bp)
331{ 334{
332 return request_region(bp->base, 335 return request_region(bp->base,
333 bp->flags & SX_BOARD_IS_PCI ? SX_PCI_IO_SPACE : SX_IO_SPACE, 336 bp->flags & SX_BOARD_IS_PCI ? SX_PCI_IO_SPACE : SX_IO_SPACE,
@@ -335,15 +338,15 @@ static inline int sx_request_io_range(struct specialix_board * bp)
335} 338}
336 339
337 340
338static inline void sx_release_io_range(struct specialix_board * bp) 341static inline void sx_release_io_range(struct specialix_board *bp)
339{ 342{
340 release_region(bp->base, 343 release_region(bp->base, bp->flags & SX_BOARD_IS_PCI ?
341 bp->flags&SX_BOARD_IS_PCI?SX_PCI_IO_SPACE:SX_IO_SPACE); 344 SX_PCI_IO_SPACE : SX_IO_SPACE);
342} 345}
343 346
344 347
345/* Set the IRQ using the RTS lines that run to the PAL on the board.... */ 348/* Set the IRQ using the RTS lines that run to the PAL on the board.... */
346static int sx_set_irq ( struct specialix_board *bp) 349static int sx_set_irq(struct specialix_board *bp)
347{ 350{
348 int virq; 351 int virq;
349 int i; 352 int i;
@@ -353,15 +356,24 @@ static int sx_set_irq ( struct specialix_board *bp)
353 return 1; 356 return 1;
354 switch (bp->irq) { 357 switch (bp->irq) {
355 /* In the same order as in the docs... */ 358 /* In the same order as in the docs... */
356 case 15: virq = 0;break; 359 case 15:
357 case 12: virq = 1;break; 360 virq = 0;
358 case 11: virq = 2;break; 361 break;
359 case 9: virq = 3;break; 362 case 12:
360 default: printk (KERN_ERR "Speclialix: cannot set irq to %d.\n", bp->irq); 363 virq = 1;
361 return 0; 364 break;
365 case 11:
366 virq = 2;
367 break;
368 case 9:
369 virq = 3;
370 break;
371 default:printk(KERN_ERR
372 "Speclialix: cannot set irq to %d.\n", bp->irq);
373 return 0;
362 } 374 }
363 spin_lock_irqsave(&bp->lock, flags); 375 spin_lock_irqsave(&bp->lock, flags);
364 for (i=0;i<2;i++) { 376 for (i = 0; i < 2; i++) {
365 sx_out(bp, CD186x_CAR, i); 377 sx_out(bp, CD186x_CAR, i);
366 sx_out(bp, CD186x_MSVRTS, ((virq >> i) & 0x1)? MSVR_RTS:0); 378 sx_out(bp, CD186x_MSVRTS, ((virq >> i) & 0x1)? MSVR_RTS:0);
367 } 379 }
@@ -371,7 +383,7 @@ static int sx_set_irq ( struct specialix_board *bp)
371 383
372 384
373/* Reset and setup CD186x chip */ 385/* Reset and setup CD186x chip */
374static int sx_init_CD186x(struct specialix_board * bp) 386static int sx_init_CD186x(struct specialix_board *bp)
375{ 387{
376 unsigned long flags; 388 unsigned long flags;
377 int scaler; 389 int scaler;
@@ -390,7 +402,7 @@ static int sx_init_CD186x(struct specialix_board * bp)
390 sx_out_off(bp, CD186x_PILR2, SX_ACK_TINT); /* Prio for transmitter intr */ 402 sx_out_off(bp, CD186x_PILR2, SX_ACK_TINT); /* Prio for transmitter intr */
391 sx_out_off(bp, CD186x_PILR3, SX_ACK_RINT); /* Prio for receiver intr */ 403 sx_out_off(bp, CD186x_PILR3, SX_ACK_RINT); /* Prio for receiver intr */
392 /* Set RegAckEn */ 404 /* Set RegAckEn */
393 sx_out_off(bp, CD186x_SRCR, sx_in (bp, CD186x_SRCR) | SRCR_REGACKEN); 405 sx_out_off(bp, CD186x_SRCR, sx_in(bp, CD186x_SRCR) | SRCR_REGACKEN);
394 406
395 /* Setting up prescaler. We need 4 ticks per 1 ms */ 407 /* Setting up prescaler. We need 4 ticks per 1 ms */
396 scaler = SX_OSCFREQ/SPECIALIX_TPS; 408 scaler = SX_OSCFREQ/SPECIALIX_TPS;
@@ -399,9 +411,9 @@ static int sx_init_CD186x(struct specialix_board * bp)
399 sx_out_off(bp, CD186x_PPRL, scaler & 0xff); 411 sx_out_off(bp, CD186x_PPRL, scaler & 0xff);
400 spin_unlock_irqrestore(&bp->lock, flags); 412 spin_unlock_irqrestore(&bp->lock, flags);
401 413
402 if (!sx_set_irq (bp)) { 414 if (!sx_set_irq(bp)) {
403 /* Figure out how to pass this along... */ 415 /* Figure out how to pass this along... */
404 printk (KERN_ERR "Cannot set irq to %d.\n", bp->irq); 416 printk(KERN_ERR "Cannot set irq to %d.\n", bp->irq);
405 rv = 0; 417 rv = 0;
406 } 418 }
407 419
@@ -410,16 +422,16 @@ static int sx_init_CD186x(struct specialix_board * bp)
410} 422}
411 423
412 424
413static int read_cross_byte (struct specialix_board *bp, int reg, int bit) 425static int read_cross_byte(struct specialix_board *bp, int reg, int bit)
414{ 426{
415 int i; 427 int i;
416 int t; 428 int t;
417 unsigned long flags; 429 unsigned long flags;
418 430
419 spin_lock_irqsave(&bp->lock, flags); 431 spin_lock_irqsave(&bp->lock, flags);
420 for (i=0, t=0;i<8;i++) { 432 for (i = 0, t = 0; i < 8; i++) {
421 sx_out_off (bp, CD186x_CAR, i); 433 sx_out_off(bp, CD186x_CAR, i);
422 if (sx_in_off (bp, reg) & bit) 434 if (sx_in_off(bp, reg) & bit)
423 t |= 1 << i; 435 t |= 1 << i;
424 } 436 }
425 spin_unlock_irqrestore(&bp->lock, flags); 437 spin_unlock_irqrestore(&bp->lock, flags);
@@ -429,21 +441,20 @@ static int read_cross_byte (struct specialix_board *bp, int reg, int bit)
429 441
430 442
431#ifdef SPECIALIX_TIMER 443#ifdef SPECIALIX_TIMER
432void missed_irq (unsigned long data) 444void missed_irq(unsigned long data)
433{ 445{
434 unsigned char irq; 446 unsigned char irq;
435 unsigned long flags; 447 unsigned long flags;
436 struct specialix_board *bp = (struct specialix_board *)data; 448 struct specialix_board *bp = (struct specialix_board *)data;
437 449
438 spin_lock_irqsave(&bp->lock, flags); 450 spin_lock_irqsave(&bp->lock, flags);
439 irq = sx_in ((struct specialix_board *)data, CD186x_SRSR) & 451 irq = sx_in((struct specialix_board *)data, CD186x_SRSR) &
440 (SRSR_RREQint | 452 (SRSR_RREQint | SRSR_TREQint | SRSR_MREQint);
441 SRSR_TREQint |
442 SRSR_MREQint);
443 spin_unlock_irqrestore(&bp->lock, flags); 453 spin_unlock_irqrestore(&bp->lock, flags);
444 if (irq) { 454 if (irq) {
445 printk (KERN_INFO "Missed interrupt... Calling int from timer. \n"); 455 printk(KERN_INFO
446 sx_interrupt (-1, bp); 456 "Missed interrupt... Calling int from timer. \n");
457 sx_interrupt(-1, bp);
447 } 458 }
448 mod_timer(&missed_irq_timer, jiffies + sx_poll); 459 mod_timer(&missed_irq_timer, jiffies + sx_poll);
449} 460}
@@ -471,17 +482,18 @@ static int sx_probe(struct specialix_board *bp)
471 482
472 /* Are the I/O ports here ? */ 483 /* Are the I/O ports here ? */
473 sx_out_off(bp, CD186x_PPRL, 0x5a); 484 sx_out_off(bp, CD186x_PPRL, 0x5a);
474 short_pause (); 485 short_pause();
475 val1 = sx_in_off(bp, CD186x_PPRL); 486 val1 = sx_in_off(bp, CD186x_PPRL);
476 487
477 sx_out_off(bp, CD186x_PPRL, 0xa5); 488 sx_out_off(bp, CD186x_PPRL, 0xa5);
478 short_pause (); 489 short_pause();
479 val2 = sx_in_off(bp, CD186x_PPRL); 490 val2 = sx_in_off(bp, CD186x_PPRL);
480 491
481 492
482 if ((val1 != 0x5a) || (val2 != 0xa5)) { 493 if ((val1 != 0x5a) || (val2 != 0xa5)) {
483 printk(KERN_INFO "sx%d: specialix IO8+ Board at 0x%03x not found.\n", 494 printk(KERN_INFO
484 board_No(bp), bp->base); 495 "sx%d: specialix IO8+ Board at 0x%03x not found.\n",
496 board_No(bp), bp->base);
485 sx_release_io_range(bp); 497 sx_release_io_range(bp);
486 func_exit(); 498 func_exit();
487 return 1; 499 return 1;
@@ -489,10 +501,11 @@ static int sx_probe(struct specialix_board *bp)
489 501
490 /* Check the DSR lines that Specialix uses as board 502 /* Check the DSR lines that Specialix uses as board
491 identification */ 503 identification */
492 val1 = read_cross_byte (bp, CD186x_MSVR, MSVR_DSR); 504 val1 = read_cross_byte(bp, CD186x_MSVR, MSVR_DSR);
493 val2 = read_cross_byte (bp, CD186x_MSVR, MSVR_RTS); 505 val2 = read_cross_byte(bp, CD186x_MSVR, MSVR_RTS);
494 dprintk (SX_DEBUG_INIT, "sx%d: DSR lines are: %02x, rts lines are: %02x\n", 506 dprintk(SX_DEBUG_INIT,
495 board_No(bp), val1, val2); 507 "sx%d: DSR lines are: %02x, rts lines are: %02x\n",
508 board_No(bp), val1, val2);
496 509
497 /* They managed to switch the bit order between the docs and 510 /* They managed to switch the bit order between the docs and
498 the IO8+ card. The new PCI card now conforms to old docs. 511 the IO8+ card. The new PCI card now conforms to old docs.
@@ -500,7 +513,8 @@ static int sx_probe(struct specialix_board *bp)
500 old card. */ 513 old card. */
501 val2 = (bp->flags & SX_BOARD_IS_PCI)?0x4d : 0xb2; 514 val2 = (bp->flags & SX_BOARD_IS_PCI)?0x4d : 0xb2;
502 if (val1 != val2) { 515 if (val1 != val2) {
503 printk(KERN_INFO "sx%d: specialix IO8+ ID %02x at 0x%03x not found (%02x).\n", 516 printk(KERN_INFO
517 "sx%d: specialix IO8+ ID %02x at 0x%03x not found (%02x).\n",
504 board_No(bp), val2, bp->base, val1); 518 board_No(bp), val2, bp->base, val1);
505 sx_release_io_range(bp); 519 sx_release_io_range(bp);
506 func_exit(); 520 func_exit();
@@ -512,40 +526,43 @@ static int sx_probe(struct specialix_board *bp)
512 /* It's time to find IRQ for this board */ 526 /* It's time to find IRQ for this board */
513 for (retries = 0; retries < 5 && irqs <= 0; retries++) { 527 for (retries = 0; retries < 5 && irqs <= 0; retries++) {
514 irqs = probe_irq_on(); 528 irqs = probe_irq_on();
515 sx_init_CD186x(bp); /* Reset CD186x chip */ 529 sx_init_CD186x(bp); /* Reset CD186x chip */
516 sx_out(bp, CD186x_CAR, 2); /* Select port 2 */ 530 sx_out(bp, CD186x_CAR, 2); /* Select port 2 */
517 sx_wait_CCR(bp); 531 sx_wait_CCR(bp);
518 sx_out(bp, CD186x_CCR, CCR_TXEN); /* Enable transmitter */ 532 sx_out(bp, CD186x_CCR, CCR_TXEN); /* Enable transmitter */
519 sx_out(bp, CD186x_IER, IER_TXRDY); /* Enable tx empty intr */ 533 sx_out(bp, CD186x_IER, IER_TXRDY); /* Enable tx empty intr */
520 msleep(50); 534 msleep(50);
521 irqs = probe_irq_off(irqs); 535 irqs = probe_irq_off(irqs);
522 536
523 dprintk (SX_DEBUG_INIT, "SRSR = %02x, ", sx_in(bp, CD186x_SRSR)); 537 dprintk(SX_DEBUG_INIT, "SRSR = %02x, ", sx_in(bp, CD186x_SRSR));
524 dprintk (SX_DEBUG_INIT, "TRAR = %02x, ", sx_in(bp, CD186x_TRAR)); 538 dprintk(SX_DEBUG_INIT, "TRAR = %02x, ", sx_in(bp, CD186x_TRAR));
525 dprintk (SX_DEBUG_INIT, "GIVR = %02x, ", sx_in(bp, CD186x_GIVR)); 539 dprintk(SX_DEBUG_INIT, "GIVR = %02x, ", sx_in(bp, CD186x_GIVR));
526 dprintk (SX_DEBUG_INIT, "GICR = %02x, ", sx_in(bp, CD186x_GICR)); 540 dprintk(SX_DEBUG_INIT, "GICR = %02x, ", sx_in(bp, CD186x_GICR));
527 dprintk (SX_DEBUG_INIT, "\n"); 541 dprintk(SX_DEBUG_INIT, "\n");
528 542
529 /* Reset CD186x again */ 543 /* Reset CD186x again */
530 if (!sx_init_CD186x(bp)) { 544 if (!sx_init_CD186x(bp)) {
531 /* Hmmm. This is dead code anyway. */ 545 /* Hmmm. This is dead code anyway. */
532 } 546 }
533 547
534 dprintk (SX_DEBUG_INIT "val1 = %02x, val2 = %02x, val3 = %02x.\n", 548 dprintk(SX_DEBUG_INIT
535 val1, val2, val3); 549 "val1 = %02x, val2 = %02x, val3 = %02x.\n",
550 val1, val2, val3);
536 551
537 } 552 }
538 553
539#if 0 554#if 0
540 if (irqs <= 0) { 555 if (irqs <= 0) {
541 printk(KERN_ERR "sx%d: Can't find IRQ for specialix IO8+ board at 0x%03x.\n", 556 printk(KERN_ERR
542 board_No(bp), bp->base); 557 "sx%d: Can't find IRQ for specialix IO8+ board at 0x%03x.\n",
558 board_No(bp), bp->base);
543 sx_release_io_range(bp); 559 sx_release_io_range(bp);
544 func_exit(); 560 func_exit();
545 return 1; 561 return 1;
546 } 562 }
547#endif 563#endif
548 printk (KERN_INFO "Started with irq=%d, but now have irq=%d.\n", bp->irq, irqs); 564 printk(KERN_INFO "Started with irq=%d, but now have irq=%d.\n",
565 bp->irq, irqs);
549 if (irqs > 0) 566 if (irqs > 0)
550 bp->irq = irqs; 567 bp->irq = irqs;
551#endif 568#endif
@@ -560,7 +577,7 @@ static int sx_probe(struct specialix_board *bp)
560 bp->flags |= SX_BOARD_PRESENT; 577 bp->flags |= SX_BOARD_PRESENT;
561 578
562 /* Chip revcode pkgtype 579 /* Chip revcode pkgtype
563 GFRCR SRCR bit 7 580 GFRCR SRCR bit 7
564 CD180 rev B 0x81 0 581 CD180 rev B 0x81 0
565 CD180 rev C 0x82 0 582 CD180 rev C 0x82 0
566 CD1864 rev A 0x82 1 583 CD1864 rev A 0x82 1
@@ -570,24 +587,37 @@ static int sx_probe(struct specialix_board *bp)
570 */ 587 */
571 588
572 switch (sx_in_off(bp, CD186x_GFRCR)) { 589 switch (sx_in_off(bp, CD186x_GFRCR)) {
573 case 0x82:chip = 1864;rev='A';break; 590 case 0x82:
574 case 0x83:chip = 1865;rev='A';break; 591 chip = 1864;
575 case 0x84:chip = 1865;rev='B';break; 592 rev = 'A';
576 case 0x85:chip = 1865;rev='C';break; /* Does not exist at this time */ 593 break;
577 default:chip=-1;rev='x'; 594 case 0x83:
595 chip = 1865;
596 rev = 'A';
597 break;
598 case 0x84:
599 chip = 1865;
600 rev = 'B';
601 break;
602 case 0x85:
603 chip = 1865;
604 rev = 'C';
605 break; /* Does not exist at this time */
606 default:
607 chip = -1;
608 rev = 'x';
578 } 609 }
579 610
580 dprintk (SX_DEBUG_INIT, " GFCR = 0x%02x\n", sx_in_off(bp, CD186x_GFRCR) ); 611 dprintk(SX_DEBUG_INIT, " GFCR = 0x%02x\n", sx_in_off(bp, CD186x_GFRCR));
581 612
582#ifdef SPECIALIX_TIMER 613#ifdef SPECIALIX_TIMER
583 setup_timer(&missed_irq_timer, missed_irq, (unsigned long)bp); 614 setup_timer(&missed_irq_timer, missed_irq, (unsigned long)bp);
584 mod_timer(&missed_irq_timer, jiffies + sx_poll); 615 mod_timer(&missed_irq_timer, jiffies + sx_poll);
585#endif 616#endif
586 617
587 printk(KERN_INFO"sx%d: specialix IO8+ board detected at 0x%03x, IRQ %d, CD%d Rev. %c.\n", 618 printk(KERN_INFO
588 board_No(bp), 619 "sx%d: specialix IO8+ board detected at 0x%03x, IRQ %d, CD%d Rev. %c.\n",
589 bp->base, bp->irq, 620 board_No(bp), bp->base, bp->irq, chip, rev);
590 chip, rev);
591 621
592 func_exit(); 622 func_exit();
593 return 0; 623 return 0;
@@ -598,20 +628,22 @@ static int sx_probe(struct specialix_board *bp)
598 * Interrupt processing routines. 628 * Interrupt processing routines.
599 * */ 629 * */
600 630
601static inline struct specialix_port * sx_get_port(struct specialix_board * bp, 631static inline struct specialix_port *sx_get_port(struct specialix_board *bp,
602 unsigned char const * what) 632 unsigned char const *what)
603{ 633{
604 unsigned char channel; 634 unsigned char channel;
605 struct specialix_port * port = NULL; 635 struct specialix_port *port = NULL;
606 636
607 channel = sx_in(bp, CD186x_GICR) >> GICR_CHAN_OFF; 637 channel = sx_in(bp, CD186x_GICR) >> GICR_CHAN_OFF;
608 dprintk (SX_DEBUG_CHAN, "channel: %d\n", channel); 638 dprintk(SX_DEBUG_CHAN, "channel: %d\n", channel);
609 if (channel < CD186x_NCH) { 639 if (channel < CD186x_NCH) {
610 port = &sx_port[board_No(bp) * SX_NPORT + channel]; 640 port = &sx_port[board_No(bp) * SX_NPORT + channel];
611 dprintk (SX_DEBUG_CHAN, "port: %d %p flags: 0x%lx\n",board_No(bp) * SX_NPORT + channel, port, port->port.flags & ASYNC_INITIALIZED); 641 dprintk(SX_DEBUG_CHAN, "port: %d %p flags: 0x%lx\n",
642 board_No(bp) * SX_NPORT + channel, port,
643 port->port.flags & ASYNC_INITIALIZED);
612 644
613 if (port->port.flags & ASYNC_INITIALIZED) { 645 if (port->port.flags & ASYNC_INITIALIZED) {
614 dprintk (SX_DEBUG_CHAN, "port: %d %p\n", channel, port); 646 dprintk(SX_DEBUG_CHAN, "port: %d %p\n", channel, port);
615 func_exit(); 647 func_exit();
616 return port; 648 return port;
617 } 649 }
@@ -622,7 +654,7 @@ static inline struct specialix_port * sx_get_port(struct specialix_board * bp,
622} 654}
623 655
624 656
625static inline void sx_receive_exc(struct specialix_board * bp) 657static inline void sx_receive_exc(struct specialix_board *bp)
626{ 658{
627 struct specialix_port *port; 659 struct specialix_port *port;
628 struct tty_struct *tty; 660 struct tty_struct *tty;
@@ -633,7 +665,7 @@ static inline void sx_receive_exc(struct specialix_board * bp)
633 665
634 port = sx_get_port(bp, "Receive"); 666 port = sx_get_port(bp, "Receive");
635 if (!port) { 667 if (!port) {
636 dprintk (SX_DEBUG_RX, "Hmm, couldn't find port.\n"); 668 dprintk(SX_DEBUG_RX, "Hmm, couldn't find port.\n");
637 func_exit(); 669 func_exit();
638 return; 670 return;
639 } 671 }
@@ -641,19 +673,21 @@ static inline void sx_receive_exc(struct specialix_board * bp)
641 673
642 status = sx_in(bp, CD186x_RCSR); 674 status = sx_in(bp, CD186x_RCSR);
643 675
644 dprintk (SX_DEBUG_RX, "status: 0x%x\n", status); 676 dprintk(SX_DEBUG_RX, "status: 0x%x\n", status);
645 if (status & RCSR_OE) { 677 if (status & RCSR_OE) {
646 port->overrun++; 678 port->overrun++;
647 dprintk(SX_DEBUG_FIFO, "sx%d: port %d: Overrun. Total %ld overruns.\n", 679 dprintk(SX_DEBUG_FIFO,
648 board_No(bp), port_No(port), port->overrun); 680 "sx%d: port %d: Overrun. Total %ld overruns.\n",
681 board_No(bp), port_No(port), port->overrun);
649 } 682 }
650 status &= port->mark_mask; 683 status &= port->mark_mask;
651 684
652 /* This flip buffer check needs to be below the reading of the 685 /* This flip buffer check needs to be below the reading of the
653 status register to reset the chip's IRQ.... */ 686 status register to reset the chip's IRQ.... */
654 if (tty_buffer_request_room(tty, 1) == 0) { 687 if (tty_buffer_request_room(tty, 1) == 0) {
655 dprintk(SX_DEBUG_FIFO, "sx%d: port %d: Working around flip buffer overflow.\n", 688 dprintk(SX_DEBUG_FIFO,
656 board_No(bp), port_No(port)); 689 "sx%d: port %d: Working around flip buffer overflow.\n",
690 board_No(bp), port_No(port));
657 func_exit(); 691 func_exit();
658 return; 692 return;
659 } 693 }
@@ -664,8 +698,9 @@ static inline void sx_receive_exc(struct specialix_board * bp)
664 return; 698 return;
665 } 699 }
666 if (status & RCSR_TOUT) { 700 if (status & RCSR_TOUT) {
667 printk(KERN_INFO "sx%d: port %d: Receiver timeout. Hardware problems ?\n", 701 printk(KERN_INFO
668 board_No(bp), port_No(port)); 702 "sx%d: port %d: Receiver timeout. Hardware problems ?\n",
703 board_No(bp), port_No(port));
669 func_exit(); 704 func_exit();
670 return; 705 return;
671 706
@@ -688,13 +723,13 @@ static inline void sx_receive_exc(struct specialix_board * bp)
688 else 723 else
689 flag = TTY_NORMAL; 724 flag = TTY_NORMAL;
690 725
691 if(tty_insert_flip_char(tty, ch, flag)) 726 if (tty_insert_flip_char(tty, ch, flag))
692 tty_flip_buffer_push(tty); 727 tty_flip_buffer_push(tty);
693 func_exit(); 728 func_exit();
694} 729}
695 730
696 731
697static inline void sx_receive(struct specialix_board * bp) 732static inline void sx_receive(struct specialix_board *bp)
698{ 733{
699 struct specialix_port *port; 734 struct specialix_port *port;
700 struct tty_struct *tty; 735 struct tty_struct *tty;
@@ -702,15 +737,16 @@ static inline void sx_receive(struct specialix_board * bp)
702 737
703 func_enter(); 738 func_enter();
704 739
705 if (!(port = sx_get_port(bp, "Receive"))) { 740 port = sx_get_port(bp, "Receive");
706 dprintk (SX_DEBUG_RX, "Hmm, couldn't find port.\n"); 741 if (port == NULL) {
742 dprintk(SX_DEBUG_RX, "Hmm, couldn't find port.\n");
707 func_exit(); 743 func_exit();
708 return; 744 return;
709 } 745 }
710 tty = port->port.tty; 746 tty = port->port.tty;
711 747
712 count = sx_in(bp, CD186x_RDCR); 748 count = sx_in(bp, CD186x_RDCR);
713 dprintk (SX_DEBUG_RX, "port: %p: count: %d\n", port, count); 749 dprintk(SX_DEBUG_RX, "port: %p: count: %d\n", port, count);
714 port->hits[count > 8 ? 9 : count]++; 750 port->hits[count > 8 ? 9 : count]++;
715 751
716 tty_buffer_request_room(tty, count); 752 tty_buffer_request_room(tty, count);
@@ -722,18 +758,19 @@ static inline void sx_receive(struct specialix_board * bp)
722} 758}
723 759
724 760
725static inline void sx_transmit(struct specialix_board * bp) 761static inline void sx_transmit(struct specialix_board *bp)
726{ 762{
727 struct specialix_port *port; 763 struct specialix_port *port;
728 struct tty_struct *tty; 764 struct tty_struct *tty;
729 unsigned char count; 765 unsigned char count;
730 766
731 func_enter(); 767 func_enter();
732 if (!(port = sx_get_port(bp, "Transmit"))) { 768 port = sx_get_port(bp, "Transmit");
769 if (port == NULL) {
733 func_exit(); 770 func_exit();
734 return; 771 return;
735 } 772 }
736 dprintk (SX_DEBUG_TX, "port: %p\n", port); 773 dprintk(SX_DEBUG_TX, "port: %p\n", port);
737 tty = port->port.tty; 774 tty = port->port.tty;
738 775
739 if (port->IER & IER_TXEMPTY) { 776 if (port->IER & IER_TXEMPTY) {
@@ -765,7 +802,8 @@ static inline void sx_transmit(struct specialix_board * bp)
765 sx_out(bp, CD186x_TDR, CD186x_C_ESC); 802 sx_out(bp, CD186x_TDR, CD186x_C_ESC);
766 sx_out(bp, CD186x_TDR, CD186x_C_DELAY); 803 sx_out(bp, CD186x_TDR, CD186x_C_DELAY);
767 sx_out(bp, CD186x_TDR, count); 804 sx_out(bp, CD186x_TDR, count);
768 if (!(port->break_length -= count)) 805 port->break_length -= count;
806 if (port->break_length == 0)
769 port->break_length--; 807 port->break_length--;
770 } else { 808 } else {
771 sx_out(bp, CD186x_TDR, CD186x_C_ESC); 809 sx_out(bp, CD186x_TDR, CD186x_C_ESC);
@@ -794,36 +832,37 @@ static inline void sx_transmit(struct specialix_board * bp)
794 sx_out(bp, CD186x_IER, port->IER); 832 sx_out(bp, CD186x_IER, port->IER);
795 } 833 }
796 if (port->xmit_cnt <= port->wakeup_chars) 834 if (port->xmit_cnt <= port->wakeup_chars)
797 tty_wakeup(tty); 835 tty_wakeup(tty);
798 836
799 func_exit(); 837 func_exit();
800} 838}
801 839
802 840
803static inline void sx_check_modem(struct specialix_board * bp) 841static inline void sx_check_modem(struct specialix_board *bp)
804{ 842{
805 struct specialix_port *port; 843 struct specialix_port *port;
806 struct tty_struct *tty; 844 struct tty_struct *tty;
807 unsigned char mcr; 845 unsigned char mcr;
808 int msvr_cd; 846 int msvr_cd;
809 847
810 dprintk (SX_DEBUG_SIGNALS, "Modem intr. "); 848 dprintk(SX_DEBUG_SIGNALS, "Modem intr. ");
811 if (!(port = sx_get_port(bp, "Modem"))) 849 port = sx_get_port(bp, "Modem");
850 if (port == NULL)
812 return; 851 return;
813 852
814 tty = port->port.tty; 853 tty = port->port.tty;
815 854
816 mcr = sx_in(bp, CD186x_MCR); 855 mcr = sx_in(bp, CD186x_MCR);
817 printk ("mcr = %02x.\n", mcr); 856 printk("mcr = %02x.\n", mcr); /* FIXME */
818 857
819 if ((mcr & MCR_CDCHG)) { 858 if ((mcr & MCR_CDCHG)) {
820 dprintk (SX_DEBUG_SIGNALS, "CD just changed... "); 859 dprintk(SX_DEBUG_SIGNALS, "CD just changed... ");
821 msvr_cd = sx_in(bp, CD186x_MSVR) & MSVR_CD; 860 msvr_cd = sx_in(bp, CD186x_MSVR) & MSVR_CD;
822 if (msvr_cd) { 861 if (msvr_cd) {
823 dprintk (SX_DEBUG_SIGNALS, "Waking up guys in open.\n"); 862 dprintk(SX_DEBUG_SIGNALS, "Waking up guys in open.\n");
824 wake_up_interruptible(&port->port.open_wait); 863 wake_up_interruptible(&port->port.open_wait);
825 } else { 864 } else {
826 dprintk (SX_DEBUG_SIGNALS, "Sending HUP.\n"); 865 dprintk(SX_DEBUG_SIGNALS, "Sending HUP.\n");
827 tty_hangup(tty); 866 tty_hangup(tty);
828 } 867 }
829 } 868 }
@@ -874,9 +913,12 @@ static irqreturn_t sx_interrupt(int dummy, void *dev_id)
874 913
875 spin_lock_irqsave(&bp->lock, flags); 914 spin_lock_irqsave(&bp->lock, flags);
876 915
877 dprintk (SX_DEBUG_FLOW, "enter %s port %d room: %ld\n", __func__, port_No(sx_get_port(bp, "INT")), SERIAL_XMIT_SIZE - sx_get_port(bp, "ITN")->xmit_cnt - 1); 916 dprintk(SX_DEBUG_FLOW, "enter %s port %d room: %ld\n", __func__,
917 port_No(sx_get_port(bp, "INT")),
918 SERIAL_XMIT_SIZE - sx_get_port(bp, "ITN")->xmit_cnt - 1);
878 if (!(bp->flags & SX_BOARD_ACTIVE)) { 919 if (!(bp->flags & SX_BOARD_ACTIVE)) {
879 dprintk (SX_DEBUG_IRQ, "sx: False interrupt. irq %d.\n", bp->irq); 920 dprintk(SX_DEBUG_IRQ, "sx: False interrupt. irq %d.\n",
921 bp->irq);
880 spin_unlock_irqrestore(&bp->lock, flags); 922 spin_unlock_irqrestore(&bp->lock, flags);
881 func_exit(); 923 func_exit();
882 return IRQ_NONE; 924 return IRQ_NONE;
@@ -884,10 +926,11 @@ static irqreturn_t sx_interrupt(int dummy, void *dev_id)
884 926
885 saved_reg = bp->reg; 927 saved_reg = bp->reg;
886 928
887 while ((++loop < 16) && (status = (sx_in(bp, CD186x_SRSR) & 929 while (++loop < 16) {
888 (SRSR_RREQint | 930 status = sx_in(bp, CD186x_SRSR) &
889 SRSR_TREQint | 931 (SRSR_RREQint | SRSR_TREQint | SRSR_MREQint);
890 SRSR_MREQint)))) { 932 if (status == 0)
933 break;
891 if (status & SRSR_RREQint) { 934 if (status & SRSR_RREQint) {
892 ack = sx_in(bp, CD186x_RRAR); 935 ack = sx_in(bp, CD186x_RRAR);
893 936
@@ -896,8 +939,9 @@ static irqreturn_t sx_interrupt(int dummy, void *dev_id)
896 else if (ack == (SX_ID | GIVR_IT_REXC)) 939 else if (ack == (SX_ID | GIVR_IT_REXC))
897 sx_receive_exc(bp); 940 sx_receive_exc(bp);
898 else 941 else
899 printk(KERN_ERR "sx%d: status: 0x%x Bad receive ack 0x%02x.\n", 942 printk(KERN_ERR
900 board_No(bp), status, ack); 943 "sx%d: status: 0x%x Bad receive ack 0x%02x.\n",
944 board_No(bp), status, ack);
901 945
902 } else if (status & SRSR_TREQint) { 946 } else if (status & SRSR_TREQint) {
903 ack = sx_in(bp, CD186x_TRAR); 947 ack = sx_in(bp, CD186x_TRAR);
@@ -906,14 +950,16 @@ static irqreturn_t sx_interrupt(int dummy, void *dev_id)
906 sx_transmit(bp); 950 sx_transmit(bp);
907 else 951 else
908 printk(KERN_ERR "sx%d: status: 0x%x Bad transmit ack 0x%02x. port: %d\n", 952 printk(KERN_ERR "sx%d: status: 0x%x Bad transmit ack 0x%02x. port: %d\n",
909 board_No(bp), status, ack, port_No (sx_get_port (bp, "Int"))); 953 board_No(bp), status, ack,
954 port_No(sx_get_port(bp, "Int")));
910 } else if (status & SRSR_MREQint) { 955 } else if (status & SRSR_MREQint) {
911 ack = sx_in(bp, CD186x_MRAR); 956 ack = sx_in(bp, CD186x_MRAR);
912 957
913 if (ack == (SX_ID | GIVR_IT_MODEM)) 958 if (ack == (SX_ID | GIVR_IT_MODEM))
914 sx_check_modem(bp); 959 sx_check_modem(bp);
915 else 960 else
916 printk(KERN_ERR "sx%d: status: 0x%x Bad modem ack 0x%02x.\n", 961 printk(KERN_ERR
962 "sx%d: status: 0x%x Bad modem ack 0x%02x.\n",
917 board_No(bp), status, ack); 963 board_No(bp), status, ack);
918 964
919 } 965 }
@@ -921,7 +967,7 @@ static irqreturn_t sx_interrupt(int dummy, void *dev_id)
921 sx_out(bp, CD186x_EOIR, 0); /* Mark end of interrupt */ 967 sx_out(bp, CD186x_EOIR, 0); /* Mark end of interrupt */
922 } 968 }
923 bp->reg = saved_reg; 969 bp->reg = saved_reg;
924 outb (bp->reg, bp->base + SX_ADDR_REG); 970 outb(bp->reg, bp->base + SX_ADDR_REG);
925 spin_unlock_irqrestore(&bp->lock, flags); 971 spin_unlock_irqrestore(&bp->lock, flags);
926 func_exit(); 972 func_exit();
927 return IRQ_HANDLED; 973 return IRQ_HANDLED;
@@ -932,7 +978,7 @@ static irqreturn_t sx_interrupt(int dummy, void *dev_id)
932 * Routines for open & close processing. 978 * Routines for open & close processing.
933 */ 979 */
934 980
935static void turn_ints_off (struct specialix_board *bp) 981static void turn_ints_off(struct specialix_board *bp)
936{ 982{
937 unsigned long flags; 983 unsigned long flags;
938 984
@@ -945,13 +991,13 @@ static void turn_ints_off (struct specialix_board *bp)
945 } 991 }
946 992
947 spin_lock_irqsave(&bp->lock, flags); 993 spin_lock_irqsave(&bp->lock, flags);
948 (void) sx_in_off (bp, 0); /* Turn off interrupts. */ 994 (void) sx_in_off(bp, 0); /* Turn off interrupts. */
949 spin_unlock_irqrestore(&bp->lock, flags); 995 spin_unlock_irqrestore(&bp->lock, flags);
950 996
951 func_exit(); 997 func_exit();
952} 998}
953 999
954static void turn_ints_on (struct specialix_board *bp) 1000static void turn_ints_on(struct specialix_board *bp)
955{ 1001{
956 unsigned long flags; 1002 unsigned long flags;
957 1003
@@ -961,7 +1007,7 @@ static void turn_ints_on (struct specialix_board *bp)
961 /* play with the PCI chip. See comment above. */ 1007 /* play with the PCI chip. See comment above. */
962 } 1008 }
963 spin_lock_irqsave(&bp->lock, flags); 1009 spin_lock_irqsave(&bp->lock, flags);
964 (void) sx_in (bp, 0); /* Turn ON interrupts. */ 1010 (void) sx_in(bp, 0); /* Turn ON interrupts. */
965 spin_unlock_irqrestore(&bp->lock, flags); 1011 spin_unlock_irqrestore(&bp->lock, flags);
966 1012
967 func_exit(); 1013 func_exit();
@@ -969,7 +1015,7 @@ static void turn_ints_on (struct specialix_board *bp)
969 1015
970 1016
971/* Called with disabled interrupts */ 1017/* Called with disabled interrupts */
972static inline int sx_setup_board(struct specialix_board * bp) 1018static inline int sx_setup_board(struct specialix_board *bp)
973{ 1019{
974 int error; 1020 int error;
975 1021
@@ -977,14 +1023,16 @@ static inline int sx_setup_board(struct specialix_board * bp)
977 return 0; 1023 return 0;
978 1024
979 if (bp->flags & SX_BOARD_IS_PCI) 1025 if (bp->flags & SX_BOARD_IS_PCI)
980 error = request_irq(bp->irq, sx_interrupt, IRQF_DISABLED | IRQF_SHARED, "specialix IO8+", bp); 1026 error = request_irq(bp->irq, sx_interrupt,
1027 IRQF_DISABLED | IRQF_SHARED, "specialix IO8+", bp);
981 else 1028 else
982 error = request_irq(bp->irq, sx_interrupt, IRQF_DISABLED, "specialix IO8+", bp); 1029 error = request_irq(bp->irq, sx_interrupt,
1030 IRQF_DISABLED, "specialix IO8+", bp);
983 1031
984 if (error) 1032 if (error)
985 return error; 1033 return error;
986 1034
987 turn_ints_on (bp); 1035 turn_ints_on(bp);
988 bp->flags |= SX_BOARD_ACTIVE; 1036 bp->flags |= SX_BOARD_ACTIVE;
989 1037
990 return 0; 1038 return 0;
@@ -1003,13 +1051,10 @@ static inline void sx_shutdown_board(struct specialix_board *bp)
1003 1051
1004 bp->flags &= ~SX_BOARD_ACTIVE; 1052 bp->flags &= ~SX_BOARD_ACTIVE;
1005 1053
1006 dprintk (SX_DEBUG_IRQ, "Freeing IRQ%d for board %d.\n", 1054 dprintk(SX_DEBUG_IRQ, "Freeing IRQ%d for board %d.\n",
1007 bp->irq, board_No (bp)); 1055 bp->irq, board_No(bp));
1008 free_irq(bp->irq, bp); 1056 free_irq(bp->irq, bp);
1009 1057 turn_ints_off(bp);
1010 turn_ints_off (bp);
1011
1012
1013 func_exit(); 1058 func_exit();
1014} 1059}
1015 1060
@@ -1018,7 +1063,8 @@ static inline void sx_shutdown_board(struct specialix_board *bp)
1018 * Setting up port characteristics. 1063 * Setting up port characteristics.
1019 * Must be called with disabled interrupts 1064 * Must be called with disabled interrupts
1020 */ 1065 */
1021static void sx_change_speed(struct specialix_board *bp, struct specialix_port *port) 1066static void sx_change_speed(struct specialix_board *bp,
1067 struct specialix_port *port)
1022{ 1068{
1023 struct tty_struct *tty; 1069 struct tty_struct *tty;
1024 unsigned long baud; 1070 unsigned long baud;
@@ -1030,7 +1076,8 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
1030 1076
1031 func_enter(); 1077 func_enter();
1032 1078
1033 if (!(tty = port->port.tty) || !tty->termios) { 1079 tty = port->port.tty;
1080 if (!tty || !tty->termios) {
1034 func_exit(); 1081 func_exit();
1035 return; 1082 return;
1036 } 1083 }
@@ -1048,7 +1095,7 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
1048 else 1095 else
1049 port->MSVR = (sx_in(bp, CD186x_MSVR) & MSVR_RTS); 1096 port->MSVR = (sx_in(bp, CD186x_MSVR) & MSVR_RTS);
1050 spin_unlock_irqrestore(&bp->lock, flags); 1097 spin_unlock_irqrestore(&bp->lock, flags);
1051 dprintk (SX_DEBUG_TERMIOS, "sx: got MSVR=%02x.\n", port->MSVR); 1098 dprintk(SX_DEBUG_TERMIOS, "sx: got MSVR=%02x.\n", port->MSVR);
1052 baud = tty_get_baud_rate(tty); 1099 baud = tty_get_baud_rate(tty);
1053 1100
1054 if (baud == 38400) { 1101 if (baud == 38400) {
@@ -1060,21 +1107,19 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
1060 1107
1061 if (!baud) { 1108 if (!baud) {
1062 /* Drop DTR & exit */ 1109 /* Drop DTR & exit */
1063 dprintk (SX_DEBUG_TERMIOS, "Dropping DTR... Hmm....\n"); 1110 dprintk(SX_DEBUG_TERMIOS, "Dropping DTR... Hmm....\n");
1064 if (!SX_CRTSCTS (tty)) { 1111 if (!SX_CRTSCTS(tty)) {
1065 port -> MSVR &= ~ MSVR_DTR; 1112 port->MSVR &= ~MSVR_DTR;
1066 spin_lock_irqsave(&bp->lock, flags); 1113 spin_lock_irqsave(&bp->lock, flags);
1067 sx_out(bp, CD186x_MSVR, port->MSVR ); 1114 sx_out(bp, CD186x_MSVR, port->MSVR);
1068 spin_unlock_irqrestore(&bp->lock, flags); 1115 spin_unlock_irqrestore(&bp->lock, flags);
1069 } 1116 } else
1070 else 1117 dprintk(SX_DEBUG_TERMIOS, "Can't drop DTR: no DTR.\n");
1071 dprintk (SX_DEBUG_TERMIOS, "Can't drop DTR: no DTR.\n");
1072 return; 1118 return;
1073 } else { 1119 } else {
1074 /* Set DTR on */ 1120 /* Set DTR on */
1075 if (!SX_CRTSCTS (tty)) { 1121 if (!SX_CRTSCTS(tty))
1076 port ->MSVR |= MSVR_DTR; 1122 port->MSVR |= MSVR_DTR;
1077 }
1078 } 1123 }
1079 1124
1080 /* 1125 /*
@@ -1083,28 +1128,27 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
1083 1128
1084 /* Set baud rate for port */ 1129 /* Set baud rate for port */
1085 tmp = port->custom_divisor ; 1130 tmp = port->custom_divisor ;
1086 if ( tmp ) 1131 if (tmp)
1087 printk (KERN_INFO "sx%d: Using custom baud rate divisor %ld. \n" 1132 printk(KERN_INFO
1088 "This is an untested option, please be carefull.\n", 1133 "sx%d: Using custom baud rate divisor %ld. \n"
1089 port_No (port), tmp); 1134 "This is an untested option, please be careful.\n",
1135 port_No(port), tmp);
1090 else 1136 else
1091 tmp = (((SX_OSCFREQ + baud/2) / baud + 1137 tmp = (((SX_OSCFREQ + baud/2) / baud + CD186x_TPC/2) /
1092 CD186x_TPC/2) / CD186x_TPC); 1138 CD186x_TPC);
1093 1139
1094 if ((tmp < 0x10) && time_before(again, jiffies)) { 1140 if (tmp < 0x10 && time_before(again, jiffies)) {
1095 again = jiffies + HZ * 60; 1141 again = jiffies + HZ * 60;
1096 /* Page 48 of version 2.0 of the CL-CD1865 databook */ 1142 /* Page 48 of version 2.0 of the CL-CD1865 databook */
1097 if (tmp >= 12) { 1143 if (tmp >= 12) {
1098 printk (KERN_INFO "sx%d: Baud rate divisor is %ld. \n" 1144 printk(KERN_INFO "sx%d: Baud rate divisor is %ld. \n"
1099 "Performance degradation is possible.\n" 1145 "Performance degradation is possible.\n"
1100 "Read specialix.txt for more info.\n", 1146 "Read specialix.txt for more info.\n",
1101 port_No (port), tmp); 1147 port_No(port), tmp);
1102 } else { 1148 } else {
1103 printk (KERN_INFO "sx%d: Baud rate divisor is %ld. \n" 1149 printk(KERN_INFO "sx%d: Baud rate divisor is %ld. \n"
1104 "Warning: overstressing Cirrus chip. " 1150 "Warning: overstressing Cirrus chip. This might not work.\n"
1105 "This might not work.\n" 1151 "Read specialix.txt for more info.\n", port_No(port), tmp);
1106 "Read specialix.txt for more info.\n",
1107 port_No (port), tmp);
1108 } 1152 }
1109 } 1153 }
1110 spin_lock_irqsave(&bp->lock, flags); 1154 spin_lock_irqsave(&bp->lock, flags);
@@ -1114,7 +1158,8 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
1114 sx_out(bp, CD186x_TBPRL, tmp & 0xff); 1158 sx_out(bp, CD186x_TBPRL, tmp & 0xff);
1115 spin_unlock_irqrestore(&bp->lock, flags); 1159 spin_unlock_irqrestore(&bp->lock, flags);
1116 if (port->custom_divisor) 1160 if (port->custom_divisor)
1117 baud = (SX_OSCFREQ + port->custom_divisor/2) / port->custom_divisor; 1161 baud = (SX_OSCFREQ + port->custom_divisor/2) /
1162 port->custom_divisor;
1118 baud = (baud + 5) / 10; /* Estimated CPS */ 1163 baud = (baud + 5) / 10; /* Estimated CPS */
1119 1164
1120 /* Two timer ticks seems enough to wakeup something like SLIP driver */ 1165 /* Two timer ticks seems enough to wakeup something like SLIP driver */
@@ -1129,16 +1174,16 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
1129 sx_out(bp, CD186x_RTPR, tmp); 1174 sx_out(bp, CD186x_RTPR, tmp);
1130 spin_unlock_irqrestore(&bp->lock, flags); 1175 spin_unlock_irqrestore(&bp->lock, flags);
1131 switch (C_CSIZE(tty)) { 1176 switch (C_CSIZE(tty)) {
1132 case CS5: 1177 case CS5:
1133 cor1 |= COR1_5BITS; 1178 cor1 |= COR1_5BITS;
1134 break; 1179 break;
1135 case CS6: 1180 case CS6:
1136 cor1 |= COR1_6BITS; 1181 cor1 |= COR1_6BITS;
1137 break; 1182 break;
1138 case CS7: 1183 case CS7:
1139 cor1 |= COR1_7BITS; 1184 cor1 |= COR1_7BITS;
1140 break; 1185 break;
1141 case CS8: 1186 case CS8:
1142 cor1 |= COR1_8BITS; 1187 cor1 |= COR1_8BITS;
1143 break; 1188 break;
1144 } 1189 }
@@ -1175,7 +1220,8 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
1175 mcor1 |= MCOR1_DSRZD | MCOR1_CTSZD; 1220 mcor1 |= MCOR1_DSRZD | MCOR1_CTSZD;
1176 mcor2 |= MCOR2_DSROD | MCOR2_CTSOD; 1221 mcor2 |= MCOR2_DSROD | MCOR2_CTSOD;
1177 spin_lock_irqsave(&bp->lock, flags); 1222 spin_lock_irqsave(&bp->lock, flags);
1178 tty->hw_stopped = !(sx_in(bp, CD186x_MSVR) & (MSVR_CTS|MSVR_DSR)); 1223 tty->hw_stopped = !(sx_in(bp, CD186x_MSVR) &
1224 (MSVR_CTS|MSVR_DSR));
1179 spin_unlock_irqrestore(&bp->lock, flags); 1225 spin_unlock_irqrestore(&bp->lock, flags);
1180#else 1226#else
1181 port->COR2 |= COR2_CTSAE; 1227 port->COR2 |= COR2_CTSAE;
@@ -1219,7 +1265,8 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
1219 spin_lock_irqsave(&bp->lock, flags); 1265 spin_lock_irqsave(&bp->lock, flags);
1220 sx_out(bp, CD186x_CCR, CCR_CORCHG1 | CCR_CORCHG2 | CCR_CORCHG3); 1266 sx_out(bp, CD186x_CCR, CCR_CORCHG1 | CCR_CORCHG2 | CCR_CORCHG3);
1221 /* Setting up modem option registers */ 1267 /* Setting up modem option registers */
1222 dprintk (SX_DEBUG_TERMIOS, "Mcor1 = %02x, mcor2 = %02x.\n", mcor1, mcor2); 1268 dprintk(SX_DEBUG_TERMIOS, "Mcor1 = %02x, mcor2 = %02x.\n",
1269 mcor1, mcor2);
1223 sx_out(bp, CD186x_MCOR1, mcor1); 1270 sx_out(bp, CD186x_MCOR1, mcor1);
1224 sx_out(bp, CD186x_MCOR2, mcor2); 1271 sx_out(bp, CD186x_MCOR2, mcor2);
1225 spin_unlock_irqrestore(&bp->lock, flags); 1272 spin_unlock_irqrestore(&bp->lock, flags);
@@ -1238,7 +1285,8 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
1238 1285
1239 1286
1240/* Must be called with interrupts enabled */ 1287/* Must be called with interrupts enabled */
1241static int sx_setup_port(struct specialix_board *bp, struct specialix_port *port) 1288static int sx_setup_port(struct specialix_board *bp,
1289 struct specialix_port *port)
1242{ 1290{
1243 unsigned long flags; 1291 unsigned long flags;
1244 1292
@@ -1253,7 +1301,8 @@ static int sx_setup_port(struct specialix_board *bp, struct specialix_port *port
1253 /* We may sleep in get_zeroed_page() */ 1301 /* We may sleep in get_zeroed_page() */
1254 unsigned long tmp; 1302 unsigned long tmp;
1255 1303
1256 if (!(tmp = get_zeroed_page(GFP_KERNEL))) { 1304 tmp = get_zeroed_page(GFP_KERNEL);
1305 if (tmp == 0L) {
1257 func_exit(); 1306 func_exit();
1258 return -ENOMEM; 1307 return -ENOMEM;
1259 } 1308 }
@@ -1284,7 +1333,8 @@ static int sx_setup_port(struct specialix_board *bp, struct specialix_port *port
1284 1333
1285 1334
1286/* Must be called with interrupts disabled */ 1335/* Must be called with interrupts disabled */
1287static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *port) 1336static void sx_shutdown_port(struct specialix_board *bp,
1337 struct specialix_port *port)
1288{ 1338{
1289 struct tty_struct *tty; 1339 struct tty_struct *tty;
1290 int i; 1340 int i;
@@ -1298,11 +1348,11 @@ static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *
1298 } 1348 }
1299 1349
1300 if (sx_debug & SX_DEBUG_FIFO) { 1350 if (sx_debug & SX_DEBUG_FIFO) {
1301 dprintk(SX_DEBUG_FIFO, "sx%d: port %d: %ld overruns, FIFO hits [ ", 1351 dprintk(SX_DEBUG_FIFO,
1302 board_No(bp), port_No(port), port->overrun); 1352 "sx%d: port %d: %ld overruns, FIFO hits [ ",
1303 for (i = 0; i < 10; i++) { 1353 board_No(bp), port_No(port), port->overrun);
1354 for (i = 0; i < 10; i++)
1304 dprintk(SX_DEBUG_FIFO, "%ld ", port->hits[i]); 1355 dprintk(SX_DEBUG_FIFO, "%ld ", port->hits[i]);
1305 }
1306 dprintk(SX_DEBUG_FIFO, "].\n"); 1356 dprintk(SX_DEBUG_FIFO, "].\n");
1307 } 1357 }
1308 1358
@@ -1315,7 +1365,8 @@ static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *
1315 spin_lock_irqsave(&bp->lock, flags); 1365 spin_lock_irqsave(&bp->lock, flags);
1316 sx_out(bp, CD186x_CAR, port_No(port)); 1366 sx_out(bp, CD186x_CAR, port_No(port));
1317 1367
1318 if (!(tty = port->port.tty) || C_HUPCL(tty)) { 1368 tty = port->port.tty;
1369 if (tty == NULL || C_HUPCL(tty)) {
1319 /* Drop DTR */ 1370 /* Drop DTR */
1320 sx_out(bp, CD186x_MSVDTR, 0); 1371 sx_out(bp, CD186x_MSVDTR, 0);
1321 } 1372 }
@@ -1338,8 +1389,8 @@ static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *
1338} 1389}
1339 1390
1340 1391
1341static int block_til_ready(struct tty_struct *tty, struct file * filp, 1392static int block_til_ready(struct tty_struct *tty, struct file *filp,
1342 struct specialix_port *port) 1393 struct specialix_port *port)
1343{ 1394{
1344 DECLARE_WAITQUEUE(wait, current); 1395 DECLARE_WAITQUEUE(wait, current);
1345 struct specialix_board *bp = port_Board(port); 1396 struct specialix_board *bp = port_Board(port);
@@ -1389,23 +1440,22 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
1389 retval = 0; 1440 retval = 0;
1390 add_wait_queue(&port->port.open_wait, &wait); 1441 add_wait_queue(&port->port.open_wait, &wait);
1391 spin_lock_irqsave(&port->lock, flags); 1442 spin_lock_irqsave(&port->lock, flags);
1392 if (!tty_hung_up_p(filp)) { 1443 if (!tty_hung_up_p(filp))
1393 port->port.count--; 1444 port->port.count--;
1394 }
1395 spin_unlock_irqrestore(&port->lock, flags); 1445 spin_unlock_irqrestore(&port->lock, flags);
1396 port->port.blocked_open++; 1446 port->port.blocked_open++;
1397 while (1) { 1447 while (1) {
1398 spin_lock_irqsave(&bp->lock, flags); 1448 spin_lock_irqsave(&bp->lock, flags);
1399 sx_out(bp, CD186x_CAR, port_No(port)); 1449 sx_out(bp, CD186x_CAR, port_No(port));
1400 CD = sx_in(bp, CD186x_MSVR) & MSVR_CD; 1450 CD = sx_in(bp, CD186x_MSVR) & MSVR_CD;
1401 if (SX_CRTSCTS (tty)) { 1451 if (SX_CRTSCTS(tty)) {
1402 /* Activate RTS */ 1452 /* Activate RTS */
1403 port->MSVR |= MSVR_DTR; /* WTF? */ 1453 port->MSVR |= MSVR_DTR; /* WTF? */
1404 sx_out (bp, CD186x_MSVR, port->MSVR); 1454 sx_out(bp, CD186x_MSVR, port->MSVR);
1405 } else { 1455 } else {
1406 /* Activate DTR */ 1456 /* Activate DTR */
1407 port->MSVR |= MSVR_DTR; 1457 port->MSVR |= MSVR_DTR;
1408 sx_out (bp, CD186x_MSVR, port->MSVR); 1458 sx_out(bp, CD186x_MSVR, port->MSVR);
1409 } 1459 }
1410 spin_unlock_irqrestore(&bp->lock, flags); 1460 spin_unlock_irqrestore(&bp->lock, flags);
1411 set_current_state(TASK_INTERRUPTIBLE); 1461 set_current_state(TASK_INTERRUPTIBLE);
@@ -1430,9 +1480,8 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
1430 set_current_state(TASK_RUNNING); 1480 set_current_state(TASK_RUNNING);
1431 remove_wait_queue(&port->port.open_wait, &wait); 1481 remove_wait_queue(&port->port.open_wait, &wait);
1432 spin_lock_irqsave(&port->lock, flags); 1482 spin_lock_irqsave(&port->lock, flags);
1433 if (!tty_hung_up_p(filp)) { 1483 if (!tty_hung_up_p(filp))
1434 port->port.count++; 1484 port->port.count++;
1435 }
1436 port->port.blocked_open--; 1485 port->port.blocked_open--;
1437 spin_unlock_irqrestore(&port->lock, flags); 1486 spin_unlock_irqrestore(&port->lock, flags);
1438 if (retval) { 1487 if (retval) {
@@ -1446,12 +1495,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
1446} 1495}
1447 1496
1448 1497
1449static int sx_open(struct tty_struct * tty, struct file * filp) 1498static int sx_open(struct tty_struct *tty, struct file *filp)
1450{ 1499{
1451 int board; 1500 int board;
1452 int error; 1501 int error;
1453 struct specialix_port * port; 1502 struct specialix_port *port;
1454 struct specialix_board * bp; 1503 struct specialix_board *bp;
1455 int i; 1504 int i;
1456 unsigned long flags; 1505 unsigned long flags;
1457 1506
@@ -1468,17 +1517,19 @@ static int sx_open(struct tty_struct * tty, struct file * filp)
1468 port = sx_port + board * SX_NPORT + SX_PORT(tty->index); 1517 port = sx_port + board * SX_NPORT + SX_PORT(tty->index);
1469 port->overrun = 0; 1518 port->overrun = 0;
1470 for (i = 0; i < 10; i++) 1519 for (i = 0; i < 10; i++)
1471 port->hits[i]=0; 1520 port->hits[i] = 0;
1472 1521
1473 dprintk (SX_DEBUG_OPEN, "Board = %d, bp = %p, port = %p, portno = %d.\n", 1522 dprintk(SX_DEBUG_OPEN,
1474 board, bp, port, SX_PORT(tty->index)); 1523 "Board = %d, bp = %p, port = %p, portno = %d.\n",
1524 board, bp, port, SX_PORT(tty->index));
1475 1525
1476 if (sx_paranoia_check(port, tty->name, "sx_open")) { 1526 if (sx_paranoia_check(port, tty->name, "sx_open")) {
1477 func_enter(); 1527 func_enter();
1478 return -ENODEV; 1528 return -ENODEV;
1479 } 1529 }
1480 1530
1481 if ((error = sx_setup_board(bp))) { 1531 error = sx_setup_board(bp);
1532 if (error) {
1482 func_exit(); 1533 func_exit();
1483 return error; 1534 return error;
1484 } 1535 }
@@ -1490,12 +1541,14 @@ static int sx_open(struct tty_struct * tty, struct file * filp)
1490 port->port.tty = tty; 1541 port->port.tty = tty;
1491 spin_unlock_irqrestore(&bp->lock, flags); 1542 spin_unlock_irqrestore(&bp->lock, flags);
1492 1543
1493 if ((error = sx_setup_port(bp, port))) { 1544 error = sx_setup_port(bp, port);
1545 if (error) {
1494 func_enter(); 1546 func_enter();
1495 return error; 1547 return error;
1496 } 1548 }
1497 1549
1498 if ((error = block_til_ready(tty, filp, port))) { 1550 error = block_til_ready(tty, filp, port);
1551 if (error) {
1499 func_enter(); 1552 func_enter();
1500 return error; 1553 return error;
1501 } 1554 }
@@ -1508,7 +1561,7 @@ static void sx_flush_buffer(struct tty_struct *tty)
1508{ 1561{
1509 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 1562 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1510 unsigned long flags; 1563 unsigned long flags;
1511 struct specialix_board * bp; 1564 struct specialix_board *bp;
1512 1565
1513 func_enter(); 1566 func_enter();
1514 1567
@@ -1526,9 +1579,9 @@ static void sx_flush_buffer(struct tty_struct *tty)
1526 func_exit(); 1579 func_exit();
1527} 1580}
1528 1581
1529static void sx_close(struct tty_struct * tty, struct file * filp) 1582static void sx_close(struct tty_struct *tty, struct file *filp)
1530{ 1583{
1531 struct specialix_port *port = (struct specialix_port *) tty->driver_data; 1584 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1532 struct specialix_board *bp; 1585 struct specialix_board *bp;
1533 unsigned long flags; 1586 unsigned long flags;
1534 unsigned long timeout; 1587 unsigned long timeout;
@@ -1570,17 +1623,16 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
1570 */ 1623 */
1571 tty->closing = 1; 1624 tty->closing = 1;
1572 spin_unlock_irqrestore(&port->lock, flags); 1625 spin_unlock_irqrestore(&port->lock, flags);
1573 dprintk (SX_DEBUG_OPEN, "Closing\n"); 1626 dprintk(SX_DEBUG_OPEN, "Closing\n");
1574 if (port->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) { 1627 if (port->port.closing_wait != ASYNC_CLOSING_WAIT_NONE)
1575 tty_wait_until_sent(tty, port->port.closing_wait); 1628 tty_wait_until_sent(tty, port->port.closing_wait);
1576 }
1577 /* 1629 /*
1578 * At this point we stop accepting input. To do this, we 1630 * At this point we stop accepting input. To do this, we
1579 * disable the receive line status interrupts, and tell the 1631 * disable the receive line status interrupts, and tell the
1580 * interrupt driver to stop checking the data ready bit in the 1632 * interrupt driver to stop checking the data ready bit in the
1581 * line status register. 1633 * line status register.
1582 */ 1634 */
1583 dprintk (SX_DEBUG_OPEN, "Closed\n"); 1635 dprintk(SX_DEBUG_OPEN, "Closed\n");
1584 port->IER &= ~IER_RXD; 1636 port->IER &= ~IER_RXD;
1585 if (port->port.flags & ASYNC_INITIALIZED) { 1637 if (port->port.flags & ASYNC_INITIALIZED) {
1586 port->IER &= ~IER_TXRDY; 1638 port->IER &= ~IER_TXRDY;
@@ -1595,11 +1647,11 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
1595 * important if there is a transmit FIFO! 1647 * important if there is a transmit FIFO!
1596 */ 1648 */
1597 timeout = jiffies+HZ; 1649 timeout = jiffies+HZ;
1598 while(port->IER & IER_TXEMPTY) { 1650 while (port->IER & IER_TXEMPTY) {
1599 set_current_state (TASK_INTERRUPTIBLE); 1651 set_current_state(TASK_INTERRUPTIBLE);
1600 msleep_interruptible(jiffies_to_msecs(port->timeout)); 1652 msleep_interruptible(jiffies_to_msecs(port->timeout));
1601 if (time_after(jiffies, timeout)) { 1653 if (time_after(jiffies, timeout)) {
1602 printk (KERN_INFO "Timeout waiting for close\n"); 1654 printk(KERN_INFO "Timeout waiting for close\n");
1603 break; 1655 break;
1604 } 1656 }
1605 } 1657 }
@@ -1607,13 +1659,15 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
1607 } 1659 }
1608 1660
1609 if (--bp->count < 0) { 1661 if (--bp->count < 0) {
1610 printk(KERN_ERR "sx%d: sx_shutdown_port: bad board count: %d port: %d\n", 1662 printk(KERN_ERR
1611 board_No(bp), bp->count, tty->index); 1663 "sx%d: sx_shutdown_port: bad board count: %d port: %d\n",
1664 board_No(bp), bp->count, tty->index);
1612 bp->count = 0; 1665 bp->count = 0;
1613 } 1666 }
1614 if (--port->port.count < 0) { 1667 if (--port->port.count < 0) {
1615 printk(KERN_ERR "sx%d: sx_close: bad port count for tty%d: %d\n", 1668 printk(KERN_ERR
1616 board_No(bp), port_No(port), port->port.count); 1669 "sx%d: sx_close: bad port count for tty%d: %d\n",
1670 board_No(bp), port_No(port), port->port.count);
1617 port->port.count = 0; 1671 port->port.count = 0;
1618 } 1672 }
1619 1673
@@ -1625,9 +1679,9 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
1625 port->port.tty = NULL; 1679 port->port.tty = NULL;
1626 spin_unlock_irqrestore(&port->lock, flags); 1680 spin_unlock_irqrestore(&port->lock, flags);
1627 if (port->port.blocked_open) { 1681 if (port->port.blocked_open) {
1628 if (port->port.close_delay) { 1682 if (port->port.close_delay)
1629 msleep_interruptible(jiffies_to_msecs(port->port.close_delay)); 1683 msleep_interruptible(
1630 } 1684 jiffies_to_msecs(port->port.close_delay));
1631 wake_up_interruptible(&port->port.open_wait); 1685 wake_up_interruptible(&port->port.open_wait);
1632 } 1686 }
1633 port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); 1687 port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
@@ -1637,8 +1691,8 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
1637} 1691}
1638 1692
1639 1693
1640static int sx_write(struct tty_struct * tty, 1694static int sx_write(struct tty_struct *tty,
1641 const unsigned char *buf, int count) 1695 const unsigned char *buf, int count)
1642{ 1696{
1643 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 1697 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1644 struct specialix_board *bp; 1698 struct specialix_board *bp;
@@ -1690,11 +1744,11 @@ static int sx_write(struct tty_struct * tty,
1690} 1744}
1691 1745
1692 1746
1693static int sx_put_char(struct tty_struct * tty, unsigned char ch) 1747static int sx_put_char(struct tty_struct *tty, unsigned char ch)
1694{ 1748{
1695 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 1749 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1696 unsigned long flags; 1750 unsigned long flags;
1697 struct specialix_board * bp; 1751 struct specialix_board *bp;
1698 1752
1699 func_enter(); 1753 func_enter();
1700 1754
@@ -1702,7 +1756,7 @@ static int sx_put_char(struct tty_struct * tty, unsigned char ch)
1702 func_exit(); 1756 func_exit();
1703 return 0; 1757 return 0;
1704 } 1758 }
1705 dprintk (SX_DEBUG_TX, "check tty: %p %p\n", tty, port->xmit_buf); 1759 dprintk(SX_DEBUG_TX, "check tty: %p %p\n", tty, port->xmit_buf);
1706 if (!port->xmit_buf) { 1760 if (!port->xmit_buf) {
1707 func_exit(); 1761 func_exit();
1708 return 0; 1762 return 0;
@@ -1710,14 +1764,15 @@ static int sx_put_char(struct tty_struct * tty, unsigned char ch)
1710 bp = port_Board(port); 1764 bp = port_Board(port);
1711 spin_lock_irqsave(&port->lock, flags); 1765 spin_lock_irqsave(&port->lock, flags);
1712 1766
1713 dprintk (SX_DEBUG_TX, "xmit_cnt: %d xmit_buf: %p\n", port->xmit_cnt, port->xmit_buf); 1767 dprintk(SX_DEBUG_TX, "xmit_cnt: %d xmit_buf: %p\n",
1714 if ((port->xmit_cnt >= SERIAL_XMIT_SIZE - 1) || (!port->xmit_buf)) { 1768 port->xmit_cnt, port->xmit_buf);
1769 if (port->xmit_cnt >= SERIAL_XMIT_SIZE - 1 || !port->xmit_buf) {
1715 spin_unlock_irqrestore(&port->lock, flags); 1770 spin_unlock_irqrestore(&port->lock, flags);
1716 dprintk (SX_DEBUG_TX, "Exit size\n"); 1771 dprintk(SX_DEBUG_TX, "Exit size\n");
1717 func_exit(); 1772 func_exit();
1718 return 0; 1773 return 0;
1719 } 1774 }
1720 dprintk (SX_DEBUG_TX, "Handle xmit: %p %p\n", port, port->xmit_buf); 1775 dprintk(SX_DEBUG_TX, "Handle xmit: %p %p\n", port, port->xmit_buf);
1721 port->xmit_buf[port->xmit_head++] = ch; 1776 port->xmit_buf[port->xmit_head++] = ch;
1722 port->xmit_head &= SERIAL_XMIT_SIZE - 1; 1777 port->xmit_head &= SERIAL_XMIT_SIZE - 1;
1723 port->xmit_cnt++; 1778 port->xmit_cnt++;
@@ -1728,11 +1783,11 @@ static int sx_put_char(struct tty_struct * tty, unsigned char ch)
1728} 1783}
1729 1784
1730 1785
1731static void sx_flush_chars(struct tty_struct * tty) 1786static void sx_flush_chars(struct tty_struct *tty)
1732{ 1787{
1733 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 1788 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1734 unsigned long flags; 1789 unsigned long flags;
1735 struct specialix_board * bp = port_Board(port); 1790 struct specialix_board *bp = port_Board(port);
1736 1791
1737 func_enter(); 1792 func_enter();
1738 1793
@@ -1755,7 +1810,7 @@ static void sx_flush_chars(struct tty_struct * tty)
1755} 1810}
1756 1811
1757 1812
1758static int sx_write_room(struct tty_struct * tty) 1813static int sx_write_room(struct tty_struct *tty)
1759{ 1814{
1760 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 1815 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1761 int ret; 1816 int ret;
@@ -1790,12 +1845,10 @@ static int sx_chars_in_buffer(struct tty_struct *tty)
1790 return port->xmit_cnt; 1845 return port->xmit_cnt;
1791} 1846}
1792 1847
1793
1794
1795static int sx_tiocmget(struct tty_struct *tty, struct file *file) 1848static int sx_tiocmget(struct tty_struct *tty, struct file *file)
1796{ 1849{
1797 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 1850 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1798 struct specialix_board * bp; 1851 struct specialix_board *bp;
1799 unsigned char status; 1852 unsigned char status;
1800 unsigned int result; 1853 unsigned int result;
1801 unsigned long flags; 1854 unsigned long flags;
@@ -1808,25 +1861,25 @@ static int sx_tiocmget(struct tty_struct *tty, struct file *file)
1808 } 1861 }
1809 1862
1810 bp = port_Board(port); 1863 bp = port_Board(port);
1811 spin_lock_irqsave (&bp->lock, flags); 1864 spin_lock_irqsave(&bp->lock, flags);
1812 sx_out(bp, CD186x_CAR, port_No(port)); 1865 sx_out(bp, CD186x_CAR, port_No(port));
1813 status = sx_in(bp, CD186x_MSVR); 1866 status = sx_in(bp, CD186x_MSVR);
1814 spin_unlock_irqrestore(&bp->lock, flags); 1867 spin_unlock_irqrestore(&bp->lock, flags);
1815 dprintk (SX_DEBUG_INIT, "Got msvr[%d] = %02x, car = %d.\n", 1868 dprintk(SX_DEBUG_INIT, "Got msvr[%d] = %02x, car = %d.\n",
1816 port_No(port), status, sx_in (bp, CD186x_CAR)); 1869 port_No(port), status, sx_in(bp, CD186x_CAR));
1817 dprintk (SX_DEBUG_INIT, "sx_port = %p, port = %p\n", sx_port, port); 1870 dprintk(SX_DEBUG_INIT, "sx_port = %p, port = %p\n", sx_port, port);
1818 if (SX_CRTSCTS(port->port.tty)) { 1871 if (SX_CRTSCTS(port->port.tty)) {
1819 result = /* (status & MSVR_RTS) ? */ TIOCM_DTR /* : 0) */ 1872 result = /* (status & MSVR_RTS) ? */ TIOCM_DTR /* : 0) */
1820 | ((status & MSVR_DTR) ? TIOCM_RTS : 0) 1873 | ((status & MSVR_DTR) ? TIOCM_RTS : 0)
1821 | ((status & MSVR_CD) ? TIOCM_CAR : 0) 1874 | ((status & MSVR_CD) ? TIOCM_CAR : 0)
1822 |/* ((status & MSVR_DSR) ? */ TIOCM_DSR /* : 0) */ 1875 |/* ((status & MSVR_DSR) ? */ TIOCM_DSR /* : 0) */
1823 | ((status & MSVR_CTS) ? TIOCM_CTS : 0); 1876 | ((status & MSVR_CTS) ? TIOCM_CTS : 0);
1824 } else { 1877 } else {
1825 result = /* (status & MSVR_RTS) ? */ TIOCM_RTS /* : 0) */ 1878 result = /* (status & MSVR_RTS) ? */ TIOCM_RTS /* : 0) */
1826 | ((status & MSVR_DTR) ? TIOCM_DTR : 0) 1879 | ((status & MSVR_DTR) ? TIOCM_DTR : 0)
1827 | ((status & MSVR_CD) ? TIOCM_CAR : 0) 1880 | ((status & MSVR_CD) ? TIOCM_CAR : 0)
1828 |/* ((status & MSVR_DSR) ? */ TIOCM_DSR /* : 0) */ 1881 |/* ((status & MSVR_DSR) ? */ TIOCM_DSR /* : 0) */
1829 | ((status & MSVR_CTS) ? TIOCM_CTS : 0); 1882 | ((status & MSVR_CTS) ? TIOCM_CTS : 0);
1830 } 1883 }
1831 1884
1832 func_exit(); 1885 func_exit();
@@ -1886,14 +1939,15 @@ static int sx_tiocmset(struct tty_struct *tty, struct file *file,
1886} 1939}
1887 1940
1888 1941
1889static inline void sx_send_break(struct specialix_port * port, unsigned long length) 1942static inline void sx_send_break(struct specialix_port *port,
1943 unsigned long length)
1890{ 1944{
1891 struct specialix_board *bp = port_Board(port); 1945 struct specialix_board *bp = port_Board(port);
1892 unsigned long flags; 1946 unsigned long flags;
1893 1947
1894 func_enter(); 1948 func_enter();
1895 1949
1896 spin_lock_irqsave (&port->lock, flags); 1950 spin_lock_irqsave(&port->lock, flags);
1897 port->break_length = SPECIALIX_TPS / HZ * length; 1951 port->break_length = SPECIALIX_TPS / HZ * length;
1898 port->COR2 |= COR2_ETC; 1952 port->COR2 |= COR2_ETC;
1899 port->IER |= IER_TXRDY; 1953 port->IER |= IER_TXRDY;
@@ -1902,7 +1956,7 @@ static inline void sx_send_break(struct specialix_port * port, unsigned long len
1902 sx_out(bp, CD186x_COR2, port->COR2); 1956 sx_out(bp, CD186x_COR2, port->COR2);
1903 sx_out(bp, CD186x_IER, port->IER); 1957 sx_out(bp, CD186x_IER, port->IER);
1904 spin_unlock_irqrestore(&bp->lock, flags); 1958 spin_unlock_irqrestore(&bp->lock, flags);
1905 spin_unlock_irqrestore (&port->lock, flags); 1959 spin_unlock_irqrestore(&port->lock, flags);
1906 sx_wait_CCR(bp); 1960 sx_wait_CCR(bp);
1907 spin_lock_irqsave(&bp->lock, flags); 1961 spin_lock_irqsave(&bp->lock, flags);
1908 sx_out(bp, CD186x_CCR, CCR_CORCHG2); 1962 sx_out(bp, CD186x_CCR, CCR_CORCHG2);
@@ -1913,8 +1967,8 @@ static inline void sx_send_break(struct specialix_port * port, unsigned long len
1913} 1967}
1914 1968
1915 1969
1916static inline int sx_set_serial_info(struct specialix_port * port, 1970static inline int sx_set_serial_info(struct specialix_port *port,
1917 struct serial_struct __user * newinfo) 1971 struct serial_struct __user *newinfo)
1918{ 1972{
1919 struct serial_struct tmp; 1973 struct serial_struct tmp;
1920 struct specialix_board *bp = port_Board(port); 1974 struct specialix_board *bp = port_Board(port);
@@ -1943,25 +1997,25 @@ static inline int sx_set_serial_info(struct specialix_port * port,
1943 return -EPERM; 1997 return -EPERM;
1944 } 1998 }
1945 port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) | 1999 port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) |
1946 (tmp.flags & ASYNC_USR_MASK)); 2000 (tmp.flags & ASYNC_USR_MASK));
1947 port->custom_divisor = tmp.custom_divisor; 2001 port->custom_divisor = tmp.custom_divisor;
1948 } else { 2002 } else {
1949 port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) | 2003 port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) |
1950 (tmp.flags & ASYNC_FLAGS)); 2004 (tmp.flags & ASYNC_FLAGS));
1951 port->port.close_delay = tmp.close_delay; 2005 port->port.close_delay = tmp.close_delay;
1952 port->port.closing_wait = tmp.closing_wait; 2006 port->port.closing_wait = tmp.closing_wait;
1953 port->custom_divisor = tmp.custom_divisor; 2007 port->custom_divisor = tmp.custom_divisor;
1954 } 2008 }
1955 if (change_speed) { 2009 if (change_speed)
1956 sx_change_speed(bp, port); 2010 sx_change_speed(bp, port);
1957 } 2011
1958 func_exit(); 2012 func_exit();
1959 unlock_kernel(); 2013 unlock_kernel();
1960 return 0; 2014 return 0;
1961} 2015}
1962 2016
1963 2017
1964static inline int sx_get_serial_info(struct specialix_port * port, 2018static inline int sx_get_serial_info(struct specialix_port *port,
1965 struct serial_struct __user *retinfo) 2019 struct serial_struct __user *retinfo)
1966{ 2020{
1967 struct serial_struct tmp; 2021 struct serial_struct tmp;
@@ -1992,8 +2046,8 @@ static inline int sx_get_serial_info(struct specialix_port * port,
1992} 2046}
1993 2047
1994 2048
1995static int sx_ioctl(struct tty_struct * tty, struct file * filp, 2049static int sx_ioctl(struct tty_struct *tty, struct file *filp,
1996 unsigned int cmd, unsigned long arg) 2050 unsigned int cmd, unsigned long arg)
1997{ 2051{
1998 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 2052 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1999 int retval; 2053 int retval;
@@ -2007,7 +2061,7 @@ static int sx_ioctl(struct tty_struct * tty, struct file * filp,
2007 } 2061 }
2008 2062
2009 switch (cmd) { 2063 switch (cmd) {
2010 case TCSBRK: /* SVID version: non-zero arg --> no break */ 2064 case TCSBRK: /* SVID version: non-zero arg --> no break */
2011 retval = tty_check_change(tty); 2065 retval = tty_check_change(tty);
2012 if (retval) { 2066 if (retval) {
2013 func_exit(); 2067 func_exit();
@@ -2017,7 +2071,7 @@ static int sx_ioctl(struct tty_struct * tty, struct file * filp,
2017 if (!arg) 2071 if (!arg)
2018 sx_send_break(port, HZ/4); /* 1/4 second */ 2072 sx_send_break(port, HZ/4); /* 1/4 second */
2019 return 0; 2073 return 0;
2020 case TCSBRKP: /* support for POSIX tcsendbreak() */ 2074 case TCSBRKP: /* support for POSIX tcsendbreak() */
2021 retval = tty_check_change(tty); 2075 retval = tty_check_change(tty);
2022 if (retval) { 2076 if (retval) {
2023 func_exit(); 2077 func_exit();
@@ -2027,13 +2081,13 @@ static int sx_ioctl(struct tty_struct * tty, struct file * filp,
2027 sx_send_break(port, arg ? arg*(HZ/10) : HZ/4); 2081 sx_send_break(port, arg ? arg*(HZ/10) : HZ/4);
2028 func_exit(); 2082 func_exit();
2029 return 0; 2083 return 0;
2030 case TIOCGSERIAL: 2084 case TIOCGSERIAL:
2031 func_exit(); 2085 func_exit();
2032 return sx_get_serial_info(port, argp); 2086 return sx_get_serial_info(port, argp);
2033 case TIOCSSERIAL: 2087 case TIOCSSERIAL:
2034 func_exit(); 2088 func_exit();
2035 return sx_set_serial_info(port, argp); 2089 return sx_set_serial_info(port, argp);
2036 default: 2090 default:
2037 func_exit(); 2091 func_exit();
2038 return -ENOIOCTLCMD; 2092 return -ENOIOCTLCMD;
2039 } 2093 }
@@ -2042,7 +2096,7 @@ static int sx_ioctl(struct tty_struct * tty, struct file * filp,
2042} 2096}
2043 2097
2044 2098
2045static void sx_throttle(struct tty_struct * tty) 2099static void sx_throttle(struct tty_struct *tty)
2046{ 2100{
2047 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 2101 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
2048 struct specialix_board *bp; 2102 struct specialix_board *bp;
@@ -2058,15 +2112,16 @@ static void sx_throttle(struct tty_struct * tty)
2058 bp = port_Board(port); 2112 bp = port_Board(port);
2059 2113
2060 /* Use DTR instead of RTS ! */ 2114 /* Use DTR instead of RTS ! */
2061 if (SX_CRTSCTS (tty)) 2115 if (SX_CRTSCTS(tty))
2062 port->MSVR &= ~MSVR_DTR; 2116 port->MSVR &= ~MSVR_DTR;
2063 else { 2117 else {
2064 /* Auch!!! I think the system shouldn't call this then. */ 2118 /* Auch!!! I think the system shouldn't call this then. */
2065 /* Or maybe we're supposed (allowed?) to do our side of hw 2119 /* Or maybe we're supposed (allowed?) to do our side of hw
2066 handshake anyway, even when hardware handshake is off. 2120 handshake anyway, even when hardware handshake is off.
2067 When you see this in your logs, please report.... */ 2121 When you see this in your logs, please report.... */
2068 printk (KERN_ERR "sx%d: Need to throttle, but can't (hardware hs is off)\n", 2122 printk(KERN_ERR
2069 port_No (port)); 2123 "sx%d: Need to throttle, but can't (hardware hs is off)\n",
2124 port_No(port));
2070 } 2125 }
2071 spin_lock_irqsave(&bp->lock, flags); 2126 spin_lock_irqsave(&bp->lock, flags);
2072 sx_out(bp, CD186x_CAR, port_No(port)); 2127 sx_out(bp, CD186x_CAR, port_No(port));
@@ -2086,7 +2141,7 @@ static void sx_throttle(struct tty_struct * tty)
2086} 2141}
2087 2142
2088 2143
2089static void sx_unthrottle(struct tty_struct * tty) 2144static void sx_unthrottle(struct tty_struct *tty)
2090{ 2145{
2091 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 2146 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
2092 struct specialix_board *bp; 2147 struct specialix_board *bp;
@@ -2103,9 +2158,9 @@ static void sx_unthrottle(struct tty_struct * tty)
2103 2158
2104 spin_lock_irqsave(&port->lock, flags); 2159 spin_lock_irqsave(&port->lock, flags);
2105 /* XXXX Use DTR INSTEAD???? */ 2160 /* XXXX Use DTR INSTEAD???? */
2106 if (SX_CRTSCTS(tty)) { 2161 if (SX_CRTSCTS(tty))
2107 port->MSVR |= MSVR_DTR; 2162 port->MSVR |= MSVR_DTR;
2108 } /* Else clause: see remark in "sx_throttle"... */ 2163 /* Else clause: see remark in "sx_throttle"... */
2109 spin_lock_irqsave(&bp->lock, flags); 2164 spin_lock_irqsave(&bp->lock, flags);
2110 sx_out(bp, CD186x_CAR, port_No(port)); 2165 sx_out(bp, CD186x_CAR, port_No(port));
2111 spin_unlock_irqrestore(&bp->lock, flags); 2166 spin_unlock_irqrestore(&bp->lock, flags);
@@ -2127,7 +2182,7 @@ static void sx_unthrottle(struct tty_struct * tty)
2127} 2182}
2128 2183
2129 2184
2130static void sx_stop(struct tty_struct * tty) 2185static void sx_stop(struct tty_struct *tty)
2131{ 2186{
2132 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 2187 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
2133 struct specialix_board *bp; 2188 struct specialix_board *bp;
@@ -2154,7 +2209,7 @@ static void sx_stop(struct tty_struct * tty)
2154} 2209}
2155 2210
2156 2211
2157static void sx_start(struct tty_struct * tty) 2212static void sx_start(struct tty_struct *tty)
2158{ 2213{
2159 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 2214 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
2160 struct specialix_board *bp; 2215 struct specialix_board *bp;
@@ -2182,7 +2237,7 @@ static void sx_start(struct tty_struct * tty)
2182 func_exit(); 2237 func_exit();
2183} 2238}
2184 2239
2185static void sx_hangup(struct tty_struct * tty) 2240static void sx_hangup(struct tty_struct *tty)
2186{ 2241{
2187 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 2242 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
2188 struct specialix_board *bp; 2243 struct specialix_board *bp;
@@ -2201,8 +2256,9 @@ static void sx_hangup(struct tty_struct * tty)
2201 spin_lock_irqsave(&port->lock, flags); 2256 spin_lock_irqsave(&port->lock, flags);
2202 bp->count -= port->port.count; 2257 bp->count -= port->port.count;
2203 if (bp->count < 0) { 2258 if (bp->count < 0) {
2204 printk(KERN_ERR "sx%d: sx_hangup: bad board count: %d port: %d\n", 2259 printk(KERN_ERR
2205 board_No(bp), bp->count, tty->index); 2260 "sx%d: sx_hangup: bad board count: %d port: %d\n",
2261 board_No(bp), bp->count, tty->index);
2206 bp->count = 0; 2262 bp->count = 0;
2207 } 2263 }
2208 port->port.count = 0; 2264 port->port.count = 0;
@@ -2215,11 +2271,12 @@ static void sx_hangup(struct tty_struct * tty)
2215} 2271}
2216 2272
2217 2273
2218static void sx_set_termios(struct tty_struct * tty, struct ktermios * old_termios) 2274static void sx_set_termios(struct tty_struct *tty,
2275 struct ktermios *old_termios)
2219{ 2276{
2220 struct specialix_port *port = (struct specialix_port *)tty->driver_data; 2277 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
2221 unsigned long flags; 2278 unsigned long flags;
2222 struct specialix_board * bp; 2279 struct specialix_board *bp;
2223 2280
2224 if (sx_paranoia_check(port, tty->name, "sx_set_termios")) 2281 if (sx_paranoia_check(port, tty->name, "sx_set_termios"))
2225 return; 2282 return;
@@ -2283,10 +2340,12 @@ static int sx_init_drivers(void)
2283 specialix_driver->flags = TTY_DRIVER_REAL_RAW; 2340 specialix_driver->flags = TTY_DRIVER_REAL_RAW;
2284 tty_set_operations(specialix_driver, &sx_ops); 2341 tty_set_operations(specialix_driver, &sx_ops);
2285 2342
2286 if ((error = tty_register_driver(specialix_driver))) { 2343 error = tty_register_driver(specialix_driver);
2344 if (error) {
2287 put_tty_driver(specialix_driver); 2345 put_tty_driver(specialix_driver);
2288 printk(KERN_ERR "sx: Couldn't register specialix IO8+ driver, error = %d\n", 2346 printk(KERN_ERR
2289 error); 2347 "sx: Couldn't register specialix IO8+ driver, error = %d\n",
2348 error);
2290 func_exit(); 2349 func_exit();
2291 return 1; 2350 return 1;
2292 } 2351 }
@@ -2323,9 +2382,9 @@ static int __init specialix_init(void)
2323 printk(KERN_INFO "sx: Specialix IO8+ driver v" VERSION ", (c) R.E.Wolff 1997/1998.\n"); 2382 printk(KERN_INFO "sx: Specialix IO8+ driver v" VERSION ", (c) R.E.Wolff 1997/1998.\n");
2324 printk(KERN_INFO "sx: derived from work (c) D.Gorodchanin 1994-1996.\n"); 2383 printk(KERN_INFO "sx: derived from work (c) D.Gorodchanin 1994-1996.\n");
2325#ifdef CONFIG_SPECIALIX_RTSCTS 2384#ifdef CONFIG_SPECIALIX_RTSCTS
2326 printk (KERN_INFO "sx: DTR/RTS pin is always RTS.\n"); 2385 printk(KERN_INFO "sx: DTR/RTS pin is always RTS.\n");
2327#else 2386#else
2328 printk (KERN_INFO "sx: DTR/RTS pin is RTS when CRTSCTS is on.\n"); 2387 printk(KERN_INFO "sx: DTR/RTS pin is RTS when CRTSCTS is on.\n");
2329#endif 2388#endif
2330 2389
2331 for (i = 0; i < SX_NBOARD; i++) 2390 for (i = 0; i < SX_NBOARD; i++)
@@ -2344,27 +2403,27 @@ static int __init specialix_init(void)
2344 { 2403 {
2345 struct pci_dev *pdev = NULL; 2404 struct pci_dev *pdev = NULL;
2346 2405
2347 i=0; 2406 i = 0;
2348 while (i < SX_NBOARD) { 2407 while (i < SX_NBOARD) {
2349 if (sx_board[i].flags & SX_BOARD_PRESENT) { 2408 if (sx_board[i].flags & SX_BOARD_PRESENT) {
2350 i++; 2409 i++;
2351 continue; 2410 continue;
2352 } 2411 }
2353 pdev = pci_get_device (PCI_VENDOR_ID_SPECIALIX, 2412 pdev = pci_get_device(PCI_VENDOR_ID_SPECIALIX,
2354 PCI_DEVICE_ID_SPECIALIX_IO8, 2413 PCI_DEVICE_ID_SPECIALIX_IO8, pdev);
2355 pdev); 2414 if (!pdev)
2356 if (!pdev) break; 2415 break;
2357 2416
2358 if (pci_enable_device(pdev)) 2417 if (pci_enable_device(pdev))
2359 continue; 2418 continue;
2360 2419
2361 sx_board[i].irq = pdev->irq; 2420 sx_board[i].irq = pdev->irq;
2362 2421
2363 sx_board[i].base = pci_resource_start (pdev, 2); 2422 sx_board[i].base = pci_resource_start(pdev, 2);
2364 2423
2365 sx_board[i].flags |= SX_BOARD_IS_PCI; 2424 sx_board[i].flags |= SX_BOARD_IS_PCI;
2366 if (!sx_probe(&sx_board[i])) 2425 if (!sx_probe(&sx_board[i]))
2367 found ++; 2426 found++;
2368 } 2427 }
2369 /* May exit pci_get sequence early with lots of boards */ 2428 /* May exit pci_get sequence early with lots of boards */
2370 if (pdev != NULL) 2429 if (pdev != NULL)
@@ -2411,10 +2470,10 @@ static int __init specialix_init_module(void)
2411 func_enter(); 2470 func_enter();
2412 2471
2413 if (iobase[0] || iobase[1] || iobase[2] || iobase[3]) { 2472 if (iobase[0] || iobase[1] || iobase[2] || iobase[3]) {
2414 for(i = 0; i < SX_NBOARD; i++) { 2473 for (i = 0; i < SX_NBOARD; i++) {
2415 sx_board[i].base = iobase[i]; 2474 sx_board[i].base = iobase[i];
2416 sx_board[i].irq = irq[i]; 2475 sx_board[i].irq = irq[i];
2417 sx_board[i].count= 0; 2476 sx_board[i].count = 0;
2418 } 2477 }
2419 } 2478 }
2420 2479
generated by cgit v1.2.2 (git 2.25.0) at 2026-07-07 23:08:10 -0400