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-rw-r--r--drivers/char/mxser.c229
-rw-r--r--drivers/char/mxser.h137
2 files changed, 214 insertions, 152 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 97b1291ec224..4b81a85c5b53 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -307,6 +307,200 @@ static unsigned char mxser_msr[MXSER_PORTS + 1];
307static struct mxser_mon_ext mon_data_ext; 307static struct mxser_mon_ext mon_data_ext;
308static int mxser_set_baud_method[MXSER_PORTS + 1]; 308static int mxser_set_baud_method[MXSER_PORTS + 1];
309 309
310static void mxser_enable_must_enchance_mode(unsigned long baseio)
311{
312 u8 oldlcr;
313 u8 efr;
314
315 oldlcr = inb(baseio + UART_LCR);
316 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
317
318 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
319 efr |= MOXA_MUST_EFR_EFRB_ENABLE;
320
321 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
322 outb(oldlcr, baseio + UART_LCR);
323}
324
325static void mxser_disable_must_enchance_mode(unsigned long baseio)
326{
327 u8 oldlcr;
328 u8 efr;
329
330 oldlcr = inb(baseio + UART_LCR);
331 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
332
333 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
334 efr &= ~MOXA_MUST_EFR_EFRB_ENABLE;
335
336 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
337 outb(oldlcr, baseio + UART_LCR);
338}
339
340static void mxser_set_must_xon1_value(unsigned long baseio, u8 value)
341{
342 u8 oldlcr;
343 u8 efr;
344
345 oldlcr = inb(baseio + UART_LCR);
346 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
347
348 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
349 efr &= ~MOXA_MUST_EFR_BANK_MASK;
350 efr |= MOXA_MUST_EFR_BANK0;
351
352 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
353 outb(value, baseio + MOXA_MUST_XON1_REGISTER);
354 outb(oldlcr, baseio + UART_LCR);
355}
356
357static void mxser_set_must_xoff1_value(unsigned long baseio, u8 value)
358{
359 u8 oldlcr;
360 u8 efr;
361
362 oldlcr = inb(baseio + UART_LCR);
363 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
364
365 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
366 efr &= ~MOXA_MUST_EFR_BANK_MASK;
367 efr |= MOXA_MUST_EFR_BANK0;
368
369 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
370 outb(value, baseio + MOXA_MUST_XOFF1_REGISTER);
371 outb(oldlcr, baseio + UART_LCR);
372}
373
374static void mxser_set_must_fifo_value(struct mxser_port *info)
375{
376 u8 oldlcr;
377 u8 efr;
378
379 oldlcr = inb(info->ioaddr + UART_LCR);
380 outb(MOXA_MUST_ENTER_ENCHANCE, info->ioaddr + UART_LCR);
381
382 efr = inb(info->ioaddr + MOXA_MUST_EFR_REGISTER);
383 efr &= ~MOXA_MUST_EFR_BANK_MASK;
384 efr |= MOXA_MUST_EFR_BANK1;
385
386 outb(efr, info->ioaddr + MOXA_MUST_EFR_REGISTER);
387 outb((u8)info->rx_high_water, info->ioaddr + MOXA_MUST_RBRTH_REGISTER);
388 outb((u8)info->rx_trigger, info->ioaddr + MOXA_MUST_RBRTI_REGISTER);
389 outb((u8)info->rx_low_water, info->ioaddr + MOXA_MUST_RBRTL_REGISTER);
390 outb(oldlcr, info->ioaddr + UART_LCR);
391}
392
393static void mxser_set_must_enum_value(unsigned long baseio, u8 value)
394{
395 u8 oldlcr;
396 u8 efr;
397
398 oldlcr = inb(baseio + UART_LCR);
399 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
400
401 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
402 efr &= ~MOXA_MUST_EFR_BANK_MASK;
403 efr |= MOXA_MUST_EFR_BANK2;
404
405 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
406 outb(value, baseio + MOXA_MUST_ENUM_REGISTER);
407 outb(oldlcr, baseio + UART_LCR);
408}
409
410static void mxser_get_must_hardware_id(unsigned long baseio, u8 *pId)
411{
412 u8 oldlcr;
413 u8 efr;
414
415 oldlcr = inb(baseio + UART_LCR);
416 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
417
418 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
419 efr &= ~MOXA_MUST_EFR_BANK_MASK;
420 efr |= MOXA_MUST_EFR_BANK2;
421
422 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
423 *pId = inb(baseio + MOXA_MUST_HWID_REGISTER);
424 outb(oldlcr, baseio + UART_LCR);
425}
426
427static void SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(unsigned long baseio)
428{
429 u8 oldlcr;
430 u8 efr;
431
432 oldlcr = inb(baseio + UART_LCR);
433 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
434
435 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
436 efr &= ~MOXA_MUST_EFR_SF_MASK;
437
438 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
439 outb(oldlcr, baseio + UART_LCR);
440}
441
442static void mxser_enable_must_tx_software_flow_control(unsigned long baseio)
443{
444 u8 oldlcr;
445 u8 efr;
446
447 oldlcr = inb(baseio + UART_LCR);
448 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
449
450 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
451 efr &= ~MOXA_MUST_EFR_SF_TX_MASK;
452 efr |= MOXA_MUST_EFR_SF_TX1;
453
454 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
455 outb(oldlcr, baseio + UART_LCR);
456}
457
458static void mxser_disable_must_tx_software_flow_control(unsigned long baseio)
459{
460 u8 oldlcr;
461 u8 efr;
462
463 oldlcr = inb(baseio + UART_LCR);
464 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
465
466 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
467 efr &= ~MOXA_MUST_EFR_SF_TX_MASK;
468
469 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
470 outb(oldlcr, baseio + UART_LCR);
471}
472
473static void mxser_enable_must_rx_software_flow_control(unsigned long baseio)
474{
475 u8 oldlcr;
476 u8 efr;
477
478 oldlcr = inb(baseio + UART_LCR);
479 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
480
481 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
482 efr &= ~MOXA_MUST_EFR_SF_RX_MASK;
483 efr |= MOXA_MUST_EFR_SF_RX1;
484
485 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
486 outb(oldlcr, baseio + UART_LCR);
487}
488
489static void mxser_disable_must_rx_software_flow_control(unsigned long baseio)
490{
491 u8 oldlcr;
492 u8 efr;
493
494 oldlcr = inb(baseio + UART_LCR);
495 outb(MOXA_MUST_ENTER_ENCHANCE, baseio + UART_LCR);
496
497 efr = inb(baseio + MOXA_MUST_EFR_REGISTER);
498 efr &= ~MOXA_MUST_EFR_SF_RX_MASK;
499
500 outb(efr, baseio + MOXA_MUST_EFR_REGISTER);
501 outb(oldlcr, baseio + UART_LCR);
502}
503
310#ifdef CONFIG_PCI 504#ifdef CONFIG_PCI
311static int __devinit CheckIsMoxaMust(unsigned long io) 505static int __devinit CheckIsMoxaMust(unsigned long io)
312{ 506{
@@ -314,16 +508,16 @@ static int __devinit CheckIsMoxaMust(unsigned long io)
314 int i; 508 int i;
315 509
316 outb(0, io + UART_LCR); 510 outb(0, io + UART_LCR);
317 DISABLE_MOXA_MUST_ENCHANCE_MODE(io); 511 mxser_disable_must_enchance_mode(io);
318 oldmcr = inb(io + UART_MCR); 512 oldmcr = inb(io + UART_MCR);
319 outb(0, io + UART_MCR); 513 outb(0, io + UART_MCR);
320 SET_MOXA_MUST_XON1_VALUE(io, 0x11); 514 mxser_set_must_xon1_value(io, 0x11);
321 if ((hwid = inb(io + UART_MCR)) != 0) { 515 if ((hwid = inb(io + UART_MCR)) != 0) {
322 outb(oldmcr, io + UART_MCR); 516 outb(oldmcr, io + UART_MCR);
323 return MOXA_OTHER_UART; 517 return MOXA_OTHER_UART;
324 } 518 }
325 519
326 GET_MOXA_MUST_HARDWARE_ID(io, &hwid); 520 mxser_get_must_hardware_id(io, &hwid);
327 for (i = 1; i < UART_INFO_NUM; i++) { /* 0 = OTHER_UART */ 521 for (i = 1; i < UART_INFO_NUM; i++) { /* 0 = OTHER_UART */
328 if (hwid == Gpci_uart_info[i].type) 522 if (hwid == Gpci_uart_info[i].type)
329 return (int)hwid; 523 return (int)hwid;
@@ -494,10 +688,10 @@ static int mxser_set_baud(struct mxser_port *info, long newspd)
494 } else 688 } else
495 quot /= newspd; 689 quot /= newspd;
496 690
497 SET_MOXA_MUST_ENUM_VALUE(info->ioaddr, quot); 691 mxser_set_must_enum_value(info->ioaddr, quot);
498 } else 692 } else
499#endif 693#endif
500 SET_MOXA_MUST_ENUM_VALUE(info->ioaddr, 0); 694 mxser_set_must_enum_value(info->ioaddr, 0);
501 695
502 return 0; 696 return 0;
503} 697}
@@ -553,14 +747,14 @@ static int mxser_change_speed(struct mxser_port *info,
553 if (info->board->chip_flag) { 747 if (info->board->chip_flag) {
554 fcr = UART_FCR_ENABLE_FIFO; 748 fcr = UART_FCR_ENABLE_FIFO;
555 fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE; 749 fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE;
556 SET_MOXA_MUST_FIFO_VALUE(info); 750 mxser_set_must_fifo_value(info);
557 } else 751 } else
558 fcr = 0; 752 fcr = 0;
559 } else { 753 } else {
560 fcr = UART_FCR_ENABLE_FIFO; 754 fcr = UART_FCR_ENABLE_FIFO;
561 if (info->board->chip_flag) { 755 if (info->board->chip_flag) {
562 fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE; 756 fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE;
563 SET_MOXA_MUST_FIFO_VALUE(info); 757 mxser_set_must_fifo_value(info);
564 } else { 758 } else {
565 switch (info->rx_trigger) { 759 switch (info->rx_trigger) {
566 case 1: 760 case 1:
@@ -657,17 +851,21 @@ static int mxser_change_speed(struct mxser_port *info,
657 } 851 }
658 } 852 }
659 if (info->board->chip_flag) { 853 if (info->board->chip_flag) {
660 SET_MOXA_MUST_XON1_VALUE(info->ioaddr, START_CHAR(info->tty)); 854 mxser_set_must_xon1_value(info->ioaddr, START_CHAR(info->tty));
661 SET_MOXA_MUST_XOFF1_VALUE(info->ioaddr, STOP_CHAR(info->tty)); 855 mxser_set_must_xoff1_value(info->ioaddr, STOP_CHAR(info->tty));
662 if (I_IXON(info->tty)) { 856 if (I_IXON(info->tty)) {
663 ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->ioaddr); 857 mxser_enable_must_rx_software_flow_control(
858 info->ioaddr);
664 } else { 859 } else {
665 DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->ioaddr); 860 mxser_disable_must_rx_software_flow_control(
861 info->ioaddr);
666 } 862 }
667 if (I_IXOFF(info->tty)) { 863 if (I_IXOFF(info->tty)) {
668 ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->ioaddr); 864 mxser_enable_must_tx_software_flow_control(
865 info->ioaddr);
669 } else { 866 } else {
670 DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->ioaddr); 867 mxser_disable_must_tx_software_flow_control(
868 info->ioaddr);
671 } 869 }
672 } 870 }
673 871
@@ -1938,7 +2136,8 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi
1938 2136
1939 if (info->board->chip_flag) { 2137 if (info->board->chip_flag) {
1940 spin_lock_irqsave(&info->slock, flags); 2138 spin_lock_irqsave(&info->slock, flags);
1941 DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->ioaddr); 2139 mxser_disable_must_rx_software_flow_control(
2140 info->ioaddr);
1942 spin_unlock_irqrestore(&info->slock, flags); 2141 spin_unlock_irqrestore(&info->slock, flags);
1943 } 2142 }
1944 2143
@@ -2357,7 +2556,7 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
2357 2556
2358 /* Enhance mode enabled here */ 2557 /* Enhance mode enabled here */
2359 if (brd->chip_flag != MOXA_OTHER_UART) 2558 if (brd->chip_flag != MOXA_OTHER_UART)
2360 ENABLE_MOXA_MUST_ENCHANCE_MODE(info->ioaddr); 2559 mxser_enable_must_enchance_mode(info->ioaddr);
2361 2560
2362 info->flags = ASYNC_SHARE_IRQ; 2561 info->flags = ASYNC_SHARE_IRQ;
2363 info->type = brd->uart_type; 2562 info->type = brd->uart_type;
diff --git a/drivers/char/mxser.h b/drivers/char/mxser.h
index 844171115954..41878a69203d 100644
--- a/drivers/char/mxser.h
+++ b/drivers/char/mxser.h
@@ -147,141 +147,4 @@
147/* Rx software flow control mask */ 147/* Rx software flow control mask */
148#define MOXA_MUST_EFR_SF_RX_MASK 0x03 148#define MOXA_MUST_EFR_SF_RX_MASK 0x03
149 149
150#define ENABLE_MOXA_MUST_ENCHANCE_MODE(baseio) do { \
151 u8 __oldlcr, __efr; \
152 __oldlcr = inb((baseio)+UART_LCR); \
153 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
154 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
155 __efr |= MOXA_MUST_EFR_EFRB_ENABLE; \
156 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
157 outb(__oldlcr, (baseio)+UART_LCR); \
158} while (0)
159
160#define DISABLE_MOXA_MUST_ENCHANCE_MODE(baseio) do { \
161 u8 __oldlcr, __efr; \
162 __oldlcr = inb((baseio)+UART_LCR); \
163 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
164 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
165 __efr &= ~MOXA_MUST_EFR_EFRB_ENABLE; \
166 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
167 outb(__oldlcr, (baseio)+UART_LCR); \
168} while (0)
169
170#define SET_MOXA_MUST_XON1_VALUE(baseio, Value) do { \
171 u8 __oldlcr, __efr; \
172 __oldlcr = inb((baseio)+UART_LCR); \
173 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
174 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
175 __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
176 __efr |= MOXA_MUST_EFR_BANK0; \
177 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
178 outb((u8)(Value), (baseio)+MOXA_MUST_XON1_REGISTER); \
179 outb(__oldlcr, (baseio)+UART_LCR); \
180} while (0)
181
182#define SET_MOXA_MUST_XOFF1_VALUE(baseio, Value) do { \
183 u8 __oldlcr, __efr; \
184 __oldlcr = inb((baseio)+UART_LCR); \
185 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
186 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
187 __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
188 __efr |= MOXA_MUST_EFR_BANK0; \
189 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
190 outb((u8)(Value), (baseio)+MOXA_MUST_XOFF1_REGISTER); \
191 outb(__oldlcr, (baseio)+UART_LCR); \
192} while (0)
193
194#define SET_MOXA_MUST_FIFO_VALUE(info) do { \
195 u8 __oldlcr, __efr; \
196 __oldlcr = inb((info)->ioaddr+UART_LCR); \
197 outb(MOXA_MUST_ENTER_ENCHANCE, (info)->ioaddr+UART_LCR);\
198 __efr = inb((info)->ioaddr+MOXA_MUST_EFR_REGISTER); \
199 __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
200 __efr |= MOXA_MUST_EFR_BANK1; \
201 outb(__efr, (info)->ioaddr+MOXA_MUST_EFR_REGISTER); \
202 outb((u8)((info)->rx_high_water), (info)->ioaddr+ \
203 MOXA_MUST_RBRTH_REGISTER); \
204 outb((u8)((info)->rx_trigger), (info)->ioaddr+ \
205 MOXA_MUST_RBRTI_REGISTER); \
206 outb((u8)((info)->rx_low_water), (info)->ioaddr+ \
207 MOXA_MUST_RBRTL_REGISTER); \
208 outb(__oldlcr, (info)->ioaddr+UART_LCR); \
209} while (0)
210
211#define SET_MOXA_MUST_ENUM_VALUE(baseio, Value) do { \
212 u8 __oldlcr, __efr; \
213 __oldlcr = inb((baseio)+UART_LCR); \
214 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
215 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
216 __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
217 __efr |= MOXA_MUST_EFR_BANK2; \
218 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
219 outb((u8)(Value), (baseio)+MOXA_MUST_ENUM_REGISTER); \
220 outb(__oldlcr, (baseio)+UART_LCR); \
221} while (0)
222
223#define GET_MOXA_MUST_HARDWARE_ID(baseio, pId) do { \
224 u8 __oldlcr, __efr; \
225 __oldlcr = inb((baseio)+UART_LCR); \
226 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
227 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
228 __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
229 __efr |= MOXA_MUST_EFR_BANK2; \
230 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
231 *pId = inb((baseio)+MOXA_MUST_HWID_REGISTER); \
232 outb(__oldlcr, (baseio)+UART_LCR); \
233} while (0)
234
235#define SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(baseio) do { \
236 u8 __oldlcr, __efr; \
237 __oldlcr = inb((baseio)+UART_LCR); \
238 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
239 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
240 __efr &= ~MOXA_MUST_EFR_SF_MASK; \
241 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
242 outb(__oldlcr, (baseio)+UART_LCR); \
243} while (0)
244
245#define ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) do { \
246 u8 __oldlcr, __efr; \
247 __oldlcr = inb((baseio)+UART_LCR); \
248 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
249 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
250 __efr &= ~MOXA_MUST_EFR_SF_TX_MASK; \
251 __efr |= MOXA_MUST_EFR_SF_TX1; \
252 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
253 outb(__oldlcr, (baseio)+UART_LCR); \
254} while (0)
255
256#define DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) do { \
257 u8 __oldlcr, __efr; \
258 __oldlcr = inb((baseio)+UART_LCR); \
259 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
260 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
261 __efr &= ~MOXA_MUST_EFR_SF_TX_MASK; \
262 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
263 outb(__oldlcr, (baseio)+UART_LCR); \
264} while (0)
265
266#define ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) do { \
267 u8 __oldlcr, __efr; \
268 __oldlcr = inb((baseio)+UART_LCR); \
269 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
270 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
271 __efr &= ~MOXA_MUST_EFR_SF_RX_MASK; \
272 __efr |= MOXA_MUST_EFR_SF_RX1; \
273 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
274 outb(__oldlcr, (baseio)+UART_LCR); \
275} while (0)
276
277#define DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) do { \
278 u8 __oldlcr, __efr; \
279 __oldlcr = inb((baseio)+UART_LCR); \
280 outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
281 __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
282 __efr &= ~MOXA_MUST_EFR_SF_RX_MASK; \
283 outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
284 outb(__oldlcr, (baseio)+UART_LCR); \
285} while (0)
286
287#endif 150#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-21 00:43:53 -0500