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Diffstat (limited to 'drivers/serial/serial_cs.c')
-rw-r--r--drivers/serial/serial_cs.c143
1 files changed, 41 insertions, 102 deletions
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index 7c7914f5fa02..fc413f0f8dd2 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -54,14 +54,6 @@
54 54
55#include "8250.h" 55#include "8250.h"
56 56
57#ifdef PCMCIA_DEBUG
58static int pc_debug = PCMCIA_DEBUG;
59module_param(pc_debug, int, 0644);
60#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
61static char *version = "serial_cs.c 1.134 2002/05/04 05:48:53 (David Hinds)";
62#else
63#define DEBUG(n, args...)
64#endif
65 57
66/*====================================================================*/ 58/*====================================================================*/
67 59
@@ -121,24 +113,20 @@ static void quirk_setup_brainboxes_0104(struct pcmcia_device *link, struct uart_
121static int quirk_post_ibm(struct pcmcia_device *link) 113static int quirk_post_ibm(struct pcmcia_device *link)
122{ 114{
123 conf_reg_t reg = { 0, CS_READ, 0x800, 0 }; 115 conf_reg_t reg = { 0, CS_READ, 0x800, 0 };
124 int last_ret, last_fn; 116 int ret;
117
118 ret = pcmcia_access_configuration_register(link, &reg);
119 if (ret)
120 goto failed;
125 121
126 last_ret = pcmcia_access_configuration_register(link, &reg);
127 if (last_ret) {
128 last_fn = AccessConfigurationRegister;
129 goto cs_failed;
130 }
131 reg.Action = CS_WRITE; 122 reg.Action = CS_WRITE;
132 reg.Value = reg.Value | 1; 123 reg.Value = reg.Value | 1;
133 last_ret = pcmcia_access_configuration_register(link, &reg); 124 ret = pcmcia_access_configuration_register(link, &reg);
134 if (last_ret) { 125 if (ret)
135 last_fn = AccessConfigurationRegister; 126 goto failed;
136 goto cs_failed;
137 }
138 return 0; 127 return 0;
139 128
140 cs_failed: 129 failed:
141 cs_error(link, last_fn, last_ret);
142 return -ENODEV; 130 return -ENODEV;
143} 131}
144 132
@@ -283,7 +271,7 @@ static void serial_remove(struct pcmcia_device *link)
283 struct serial_info *info = link->priv; 271 struct serial_info *info = link->priv;
284 int i; 272 int i;
285 273
286 DEBUG(0, "serial_release(0x%p)\n", link); 274 dev_dbg(&link->dev, "serial_release\n");
287 275
288 /* 276 /*
289 * Recheck to see if the device is still configured. 277 * Recheck to see if the device is still configured.
@@ -334,7 +322,7 @@ static int serial_probe(struct pcmcia_device *link)
334{ 322{
335 struct serial_info *info; 323 struct serial_info *info;
336 324
337 DEBUG(0, "serial_attach()\n"); 325 dev_dbg(&link->dev, "serial_attach()\n");
338 326
339 /* Create new serial device */ 327 /* Create new serial device */
340 info = kzalloc(sizeof (*info), GFP_KERNEL); 328 info = kzalloc(sizeof (*info), GFP_KERNEL);
@@ -346,7 +334,6 @@ static int serial_probe(struct pcmcia_device *link)
346 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; 334 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
347 link->io.NumPorts1 = 8; 335 link->io.NumPorts1 = 8;
348 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; 336 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
349 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
350 link->conf.Attributes = CONF_ENABLE_IRQ; 337 link->conf.Attributes = CONF_ENABLE_IRQ;
351 if (do_sound) { 338 if (do_sound) {
352 link->conf.Attributes |= CONF_ENABLE_SPKR; 339 link->conf.Attributes |= CONF_ENABLE_SPKR;
@@ -370,7 +357,7 @@ static void serial_detach(struct pcmcia_device *link)
370{ 357{
371 struct serial_info *info = link->priv; 358 struct serial_info *info = link->priv;
372 359
373 DEBUG(0, "serial_detach(0x%p)\n", link); 360 dev_dbg(&link->dev, "serial_detach\n");
374 361
375 /* 362 /*
376 * Ensure any outstanding scheduled tasks are completed. 363 * Ensure any outstanding scheduled tasks are completed.
@@ -399,7 +386,7 @@ static int setup_serial(struct pcmcia_device *handle, struct serial_info * info,
399 port.irq = irq; 386 port.irq = irq;
400 port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ; 387 port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ;
401 port.uartclk = 1843200; 388 port.uartclk = 1843200;
402 port.dev = &handle_to_dev(handle); 389 port.dev = &handle->dev;
403 if (buggy_uart) 390 if (buggy_uart)
404 port.flags |= UPF_BUGGY_UART; 391 port.flags |= UPF_BUGGY_UART;
405 392
@@ -426,21 +413,6 @@ static int setup_serial(struct pcmcia_device *handle, struct serial_info * info,
426 413
427/*====================================================================*/ 414/*====================================================================*/
428 415
429static int
430first_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse)
431{
432 int i;
433 i = pcmcia_get_first_tuple(handle, tuple);
434 if (i != 0)
435 return i;
436 i = pcmcia_get_tuple_data(handle, tuple);
437 if (i != 0)
438 return i;
439 return pcmcia_parse_tuple(tuple, parse);
440}
441
442/*====================================================================*/
443
444static int simple_config_check(struct pcmcia_device *p_dev, 416static int simple_config_check(struct pcmcia_device *p_dev,
445 cistpl_cftable_entry_t *cf, 417 cistpl_cftable_entry_t *cf,
446 cistpl_cftable_entry_t *dflt, 418 cistpl_cftable_entry_t *dflt,
@@ -522,15 +494,13 @@ static int simple_config(struct pcmcia_device *link)
522 494
523 printk(KERN_NOTICE 495 printk(KERN_NOTICE
524 "serial_cs: no usable port range found, giving up\n"); 496 "serial_cs: no usable port range found, giving up\n");
525 cs_error(link, RequestIO, i);
526 return -1; 497 return -1;
527 498
528found_port: 499found_port:
529 i = pcmcia_request_irq(link, &link->irq); 500 i = pcmcia_request_irq(link, &link->irq);
530 if (i != 0) { 501 if (i != 0)
531 cs_error(link, RequestIRQ, i);
532 link->irq.AssignedIRQ = 0; 502 link->irq.AssignedIRQ = 0;
533 } 503
534 if (info->multi && (info->manfid == MANFID_3COM)) 504 if (info->multi && (info->manfid == MANFID_3COM))
535 link->conf.ConfigIndex &= ~(0x08); 505 link->conf.ConfigIndex &= ~(0x08);
536 506
@@ -541,10 +511,8 @@ found_port:
541 info->quirk->config(link); 511 info->quirk->config(link);
542 512
543 i = pcmcia_request_configuration(link, &link->conf); 513 i = pcmcia_request_configuration(link, &link->conf);
544 if (i != 0) { 514 if (i != 0)
545 cs_error(link, RequestConfiguration, i);
546 return -1; 515 return -1;
547 }
548 return setup_serial(link, info, link->io.BasePort1, link->irq.AssignedIRQ); 516 return setup_serial(link, info, link->io.BasePort1, link->irq.AssignedIRQ);
549} 517}
550 518
@@ -613,7 +581,6 @@ static int multi_config(struct pcmcia_device *link)
613 /* FIXME: comment does not fit, error handling does not fit */ 581 /* FIXME: comment does not fit, error handling does not fit */
614 printk(KERN_NOTICE 582 printk(KERN_NOTICE
615 "serial_cs: no usable port range found, giving up\n"); 583 "serial_cs: no usable port range found, giving up\n");
616 cs_error(link, RequestIRQ, i);
617 link->irq.AssignedIRQ = 0; 584 link->irq.AssignedIRQ = 0;
618 } 585 }
619 586
@@ -624,10 +591,8 @@ static int multi_config(struct pcmcia_device *link)
624 info->quirk->config(link); 591 info->quirk->config(link);
625 592
626 i = pcmcia_request_configuration(link, &link->conf); 593 i = pcmcia_request_configuration(link, &link->conf);
627 if (i != 0) { 594 if (i != 0)
628 cs_error(link, RequestConfiguration, i);
629 return -ENODEV; 595 return -ENODEV;
630 }
631 596
632 /* The Oxford Semiconductor OXCF950 cards are in fact single-port: 597 /* The Oxford Semiconductor OXCF950 cards are in fact single-port:
633 * 8 registers are for the UART, the others are extra registers. 598 * 8 registers are for the UART, the others are extra registers.
@@ -665,6 +630,25 @@ static int multi_config(struct pcmcia_device *link)
665 return 0; 630 return 0;
666} 631}
667 632
633static int serial_check_for_multi(struct pcmcia_device *p_dev,
634 cistpl_cftable_entry_t *cf,
635 cistpl_cftable_entry_t *dflt,
636 unsigned int vcc,
637 void *priv_data)
638{
639 struct serial_info *info = p_dev->priv;
640
641 if ((cf->io.nwin == 1) && (cf->io.win[0].len % 8 == 0))
642 info->multi = cf->io.win[0].len >> 3;
643
644 if ((cf->io.nwin == 2) && (cf->io.win[0].len == 8) &&
645 (cf->io.win[1].len == 8))
646 info->multi = 2;
647
648 return 0; /* break */
649}
650
651
668/*====================================================================== 652/*======================================================================
669 653
670 serial_config() is scheduled to run after a CARD_INSERTION event 654 serial_config() is scheduled to run after a CARD_INSERTION event
@@ -676,46 +660,14 @@ static int multi_config(struct pcmcia_device *link)
676static int serial_config(struct pcmcia_device * link) 660static int serial_config(struct pcmcia_device * link)
677{ 661{
678 struct serial_info *info = link->priv; 662 struct serial_info *info = link->priv;
679 struct serial_cfg_mem *cfg_mem; 663 int i;
680 tuple_t *tuple;
681 u_char *buf;
682 cisparse_t *parse;
683 cistpl_cftable_entry_t *cf;
684 int i, last_ret, last_fn;
685
686 DEBUG(0, "serial_config(0x%p)\n", link);
687
688 cfg_mem = kmalloc(sizeof(struct serial_cfg_mem), GFP_KERNEL);
689 if (!cfg_mem)
690 goto failed;
691 664
692 tuple = &cfg_mem->tuple; 665 dev_dbg(&link->dev, "serial_config\n");
693 parse = &cfg_mem->parse;
694 cf = &parse->cftable_entry;
695 buf = cfg_mem->buf;
696
697 tuple->TupleData = (cisdata_t *) buf;
698 tuple->TupleOffset = 0;
699 tuple->TupleDataMax = 255;
700 tuple->Attributes = 0;
701
702 /* Get configuration register information */
703 tuple->DesiredTuple = CISTPL_CONFIG;
704 last_ret = first_tuple(link, tuple, parse);
705 if (last_ret != 0) {
706 last_fn = ParseTuple;
707 goto cs_failed;
708 }
709 link->conf.ConfigBase = parse->config.base;
710 link->conf.Present = parse->config.rmask[0];
711 666
712 /* Is this a compliant multifunction card? */ 667 /* Is this a compliant multifunction card? */
713 tuple->DesiredTuple = CISTPL_LONGLINK_MFC; 668 info->multi = (link->socket->functions > 1);
714 tuple->Attributes = TUPLE_RETURN_COMMON | TUPLE_RETURN_LINK;
715 info->multi = (first_tuple(link, tuple, parse) == 0);
716 669
717 /* Is this a multiport card? */ 670 /* Is this a multiport card? */
718 tuple->DesiredTuple = CISTPL_MANFID;
719 info->manfid = link->manf_id; 671 info->manfid = link->manf_id;
720 info->prodid = link->card_id; 672 info->prodid = link->card_id;
721 673
@@ -730,20 +682,11 @@ static int serial_config(struct pcmcia_device * link)
730 682
731 /* Another check for dual-serial cards: look for either serial or 683 /* Another check for dual-serial cards: look for either serial or
732 multifunction cards that ask for appropriate IO port ranges */ 684 multifunction cards that ask for appropriate IO port ranges */
733 tuple->DesiredTuple = CISTPL_FUNCID;
734 if ((info->multi == 0) && 685 if ((info->multi == 0) &&
735 (link->has_func_id) && 686 (link->has_func_id) &&
736 ((link->func_id == CISTPL_FUNCID_MULTI) || 687 ((link->func_id == CISTPL_FUNCID_MULTI) ||
737 (link->func_id == CISTPL_FUNCID_SERIAL))) { 688 (link->func_id == CISTPL_FUNCID_SERIAL)))
738 tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY; 689 pcmcia_loop_config(link, serial_check_for_multi, info);
739 if (first_tuple(link, tuple, parse) == 0) {
740 if ((cf->io.nwin == 1) && (cf->io.win[0].len % 8 == 0))
741 info->multi = cf->io.win[0].len >> 3;
742 if ((cf->io.nwin == 2) && (cf->io.win[0].len == 8) &&
743 (cf->io.win[1].len == 8))
744 info->multi = 2;
745 }
746 }
747 690
748 /* 691 /*
749 * Apply any multi-port quirk. 692 * Apply any multi-port quirk.
@@ -768,14 +711,10 @@ static int serial_config(struct pcmcia_device * link)
768 goto failed; 711 goto failed;
769 712
770 link->dev_node = &info->node[0]; 713 link->dev_node = &info->node[0];
771 kfree(cfg_mem);
772 return 0; 714 return 0;
773 715
774cs_failed:
775 cs_error(link, last_fn, last_ret);
776failed: 716failed:
777 serial_remove(link); 717 serial_remove(link);
778 kfree(cfg_mem);
779 return -ENODEV; 718 return -ENODEV;
780} 719}
781 720