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34#include <linux/module.h>
35#include <linux/moduleparam.h>
36#include <linux/init.h>
37#include <linux/types.h>
38#include <linux/fcntl.h>
39#include <linux/string.h>
40#include <linux/errno.h>
41#include <linux/interrupt.h>
42#include <linux/slab.h>
43#include <linux/timer.h>
44#include <linux/ioport.h>
45#include <linux/delay.h>
46#include <linux/workqueue.h>
47#include <linux/device.h>
48#include <linux/bitops.h>
49
50#include <asm/io.h>
51#include <asm/system.h>
52
53#include <pcmcia/version.h>
54#include <pcmcia/cs_types.h>
55#include <pcmcia/cs.h>
56#include <pcmcia/ss.h>
57#include "tcic.h"
58
59#ifdef DEBUG
60static int pc_debug;
61
62module_param(pc_debug, int, 0644);
63static const char version[] =
64"tcic.c 1.111 2000/02/15 04:13:12 (David Hinds)";
65
66#define debug(lvl, fmt, arg...) do { \
67 if (pc_debug > (lvl)) \
68 printk(KERN_DEBUG "tcic: " fmt , ## arg); \
69} while (0)
70#else
71#define debug(lvl, fmt, arg...) do { } while (0)
72#endif
73
74MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
75MODULE_DESCRIPTION("Databook TCIC-2 PCMCIA socket driver");
76MODULE_LICENSE("Dual MPL/GPL");
77
78
79
80
81
82
83static unsigned long tcic_base = TCIC_BASE;
84
85
86static int ignore = -1;
87
88
89static int do_scan = 1;
90
91
92static u_int irq_mask = 0xffff;
93static int irq_list[16];
94static int irq_list_count;
95
96
97static int cs_irq;
98
99
100static int poll_interval;
101
102
103static int poll_quick = HZ/20;
104
105
106static int cycle_time = 70;
107
108module_param(tcic_base, ulong, 0444);
109module_param(ignore, int, 0444);
110module_param(do_scan, int, 0444);
111module_param(irq_mask, int, 0444);
112module_param_array(irq_list, int, &irq_list_count, 0444);
113module_param(cs_irq, int, 0444);
114module_param(poll_interval, int, 0444);
115module_param(poll_quick, int, 0444);
116module_param(cycle_time, int, 0444);
117
118
119
120static irqreturn_t tcic_interrupt(int irq, void *dev, struct pt_regs *regs);
121static void tcic_timer(u_long data);
122static struct pccard_operations tcic_operations;
123
124struct tcic_socket {
125 u_short psock;
126 u_char last_sstat;
127 u_char id;
128 struct pcmcia_socket socket;
129};
130
131static struct timer_list poll_timer;
132static int tcic_timer_pending;
133
134static int sockets;
135static struct tcic_socket socket_table[2];
136
137
138
139
140
141#define TCIC_IRQ(x) ((x) ? (((x) == 11) ? 1 : (x)) : 15)
142
143#ifdef DEBUG_X
144static u_char tcic_getb(u_char reg)
145{
146 u_char val = inb(tcic_base+reg);
147 printk(KERN_DEBUG "tcic_getb(%#lx) = %#x\n", tcic_base+reg, val);
148 return val;
149}
150
151static u_short tcic_getw(u_char reg)
152{
153 u_short val = inw(tcic_base+reg);
154 printk(KERN_DEBUG "tcic_getw(%#lx) = %#x\n", tcic_base+reg, val);
155 return val;
156}
157
158static void tcic_setb(u_char reg, u_char data)
159{
160 printk(KERN_DEBUG "tcic_setb(%#lx, %#x)\n", tcic_base+reg, data);
161 outb(data, tcic_base+reg);
162}
163
164static void tcic_setw(u_char reg, u_short data)
165{
166 printk(KERN_DEBUG "tcic_setw(%#lx, %#x)\n", tcic_base+reg, data);
167 outw(data, tcic_base+reg);
168}
169#else
170#define tcic_getb(reg) inb(tcic_base+reg)
171#define tcic_getw(reg) inw(tcic_base+reg)
172#define tcic_setb(reg, data) outb(data, tcic_base+reg)
173#define tcic_setw(reg, data) outw(data, tcic_base+reg)
174#endif
175
176static void tcic_setl(u_char reg, u_int data)
177{
178#ifdef DEBUG_X
179 printk(KERN_DEBUG "tcic_setl(%#x, %#lx)\n", tcic_base+reg, data);
180#endif
181 outw(data & 0xffff, tcic_base+reg);
182 outw(data >> 16, tcic_base+reg+2);
183}
184
185static u_char tcic_aux_getb(u_short reg)
186{
187 u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
188 tcic_setb(TCIC_MODE, mode);
189 return tcic_getb(TCIC_AUX);
190}
191
192static void tcic_aux_setb(u_short reg, u_char data)
193{
194 u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
195 tcic_setb(TCIC_MODE, mode);
196 tcic_setb(TCIC_AUX, data);
197}
198
199static u_short tcic_aux_getw(u_short reg)
200{
201 u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
202 tcic_setb(TCIC_MODE, mode);
203 return tcic_getw(TCIC_AUX);
204}
205
206static void tcic_aux_setw(u_short reg, u_short data)
207{
208 u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
209 tcic_setb(TCIC_MODE, mode);
210 tcic_setw(TCIC_AUX, data);
211}
212
213
214
215
216
217static int to_cycles(int ns)
218{
219 if (ns < 14)
220 return 0;
221 else
222 return 2*(ns-14)/cycle_time;
223}
224
225
226
227static volatile u_int irq_hits;
228
229static irqreturn_t __init tcic_irq_count(int irq, void *dev, struct pt_regs *regs)
230{
231 irq_hits++;
232 return IRQ_HANDLED;
233}
234
235static u_int __init try_irq(int irq)
236{
237 u_short cfg;
238
239 irq_hits = 0;
240 if (request_irq(irq, tcic_irq_count, 0, "irq scan", tcic_irq_count) != 0)
241 return -1;
242 mdelay(10);
243 if (irq_hits) {
244 free_irq(irq, tcic_irq_count);
245 return -1;
246 }
247
248
249 cfg = TCIC_SYSCFG_AUTOBUSY | 0x0a00;
250 tcic_aux_setw(TCIC_AUX_SYSCFG, cfg | TCIC_IRQ(irq));
251 tcic_setb(TCIC_IENA, TCIC_IENA_ERR | TCIC_IENA_CFG_HIGH);
252 tcic_setb(TCIC_ICSR, TCIC_ICSR_ERR | TCIC_ICSR_JAM);
253
254 udelay(1000);
255 free_irq(irq, tcic_irq_count);
256
257
258 tcic_setb(TCIC_IENA, TCIC_IENA_CFG_OFF);
259 while (tcic_getb(TCIC_ICSR))
260 tcic_setb(TCIC_ICSR, TCIC_ICSR_JAM);
261 tcic_aux_setw(TCIC_AUX_SYSCFG, cfg);
262
263 return (irq_hits != 1);
264}
265
266static u_int __init irq_scan(u_int mask0)
267{
268 u_int mask1;
269 int i;
270
271#ifdef __alpha__
272#define PIC 0x4d0
273
274 int level_mask = inb_p(PIC) | (inb_p(PIC+1) << 8);
275 if (level_mask)
276 mask0 &= ~level_mask;
277#endif
278
279 mask1 = 0;
280 if (do_scan) {
281 for (i = 0; i < 16; i++)
282 if ((mask0 & (1 << i)) && (try_irq(i) == 0))
283 mask1 |= (1 << i);
284 for (i = 0; i < 16; i++)
285 if ((mask1 & (1 << i)) && (try_irq(i) != 0)) {
286 mask1 ^= (1 << i);
287 }
288 }
289
290 if (mask1) {
291 printk("scanned");
292 } else {
293
294 for (i = 0; i < 16; i++)
295 if ((mask0 & (1 << i)) &&
296 (request_irq(i, tcic_irq_count, 0, "x", tcic_irq_count) == 0)) {
297 mask1 |= (1 << i);
298 free_irq(i, tcic_irq_count);
299 }
300 printk("default");
301 }
302
303 printk(") = ");
304 for (i = 0; i < 16; i++)
305 if (mask1 & (1<<i))
306 printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
307 printk(" ");
308
309 return mask1;
310}
311
312
313
314
315
316
317
318
319
320
321static int __init is_active(int s)
322{
323 u_short scf1, ioctl, base, num;
324 u_char pwr, sstat;
325 u_int addr;
326
327 tcic_setl(TCIC_ADDR, (s << TCIC_ADDR_SS_SHFT)
328 | TCIC_ADDR_INDREG | TCIC_SCF1(s));
329 scf1 = tcic_getw(TCIC_DATA);
330 pwr = tcic_getb(TCIC_PWR);
331 sstat = tcic_getb(TCIC_SSTAT);
332 addr = TCIC_IWIN(s, 0);
333 tcic_setw(TCIC_ADDR, addr + TCIC_IBASE_X);
334 base = tcic_getw(TCIC_DATA);
335 tcic_setw(TCIC_ADDR, addr + TCIC_ICTL_X);
336 ioctl = tcic_getw(TCIC_DATA);
337
338 if (ioctl & TCIC_ICTL_TINY)
339 num = 1;
340 else {
341 num = (base ^ (base-1));
342 base = base & (base-1);
343 }
344
345 if ((sstat & TCIC_SSTAT_CD) && (pwr & TCIC_PWR_VCC(s)) &&
346 (scf1 & TCIC_SCF1_IOSTS) && (ioctl & TCIC_ICTL_ENA) &&
347 ((base & 0xfeef) != 0x02e8)) {
348 struct resource *res = request_region(base, num, "tcic-2");
349 if (!res)
350 return 1;
351 release_region(base, num);
352 }
353
354 return 0;
355}
356
357
358
359
360
361
362
363static int __init get_tcic_id(void)
364{
365 u_short id;
366
367 tcic_aux_setw(TCIC_AUX_TEST, TCIC_TEST_DIAG);
368 id = tcic_aux_getw(TCIC_AUX_ILOCK);
369 id = (id & TCIC_ILOCKTEST_ID_MASK) >> TCIC_ILOCKTEST_ID_SH;
370 tcic_aux_setw(TCIC_AUX_TEST, 0);
371 return id;
372}
373
374
375
376static int tcic_drv_suspend(struct device *dev, u32 state, u32 level)
377{
378 int ret = 0;
379 if (level == SUSPEND_SAVE_STATE)
380 ret = pcmcia_socket_dev_suspend(dev, state);
381 return ret;
382}
383
384static int tcic_drv_resume(struct device *dev, u32 level)
385{
386 int ret = 0;
387 if (level == RESUME_RESTORE_STATE)
388 ret = pcmcia_socket_dev_resume(dev);
389 return ret;
390}
391
392static struct device_driver tcic_driver = {
393 .name = "tcic-pcmcia",
394 .bus = &platform_bus_type,
395 .suspend = tcic_drv_suspend,
396 .resume = tcic_drv_resume,
397};
398
399static struct platform_device tcic_device = {
400 .name = "tcic-pcmcia",
401 .id = 0,
402};
403
404
405static int __init init_tcic(void)
406{
407 int i, sock, ret = 0;
408 u_int mask, scan;
409
410 if (driver_register(&tcic_driver))
411 return -1;
412
413 printk(KERN_INFO "Databook TCIC-2 PCMCIA probe: ");
414 sock = 0;
415
416 if (!request_region(tcic_base, 16, "tcic-2")) {
417 printk("could not allocate ports,\n ");
418 driver_unregister(&tcic_driver);
419 return -ENODEV;
420 }
421 else {
422 tcic_setw(TCIC_ADDR, 0);
423 if (tcic_getw(TCIC_ADDR) == 0) {
424 tcic_setw(TCIC_ADDR, 0xc3a5);
425 if (tcic_getw(TCIC_ADDR) == 0xc3a5) sock = 2;
426 }
427 if (sock == 0) {
428
429 tcic_setb(TCIC_SCTRL, TCIC_SCTRL_RESET);
430 tcic_setb(TCIC_SCTRL, 0);
431 tcic_setw(TCIC_ADDR, 0);
432 if (tcic_getw(TCIC_ADDR) == 0) {
433 tcic_setw(TCIC_ADDR, 0xc3a5);
434 if (tcic_getw(TCIC_ADDR) == 0xc3a5) sock = 2;
435 }
436 }
437 }
438 if (sock == 0) {
439 printk("not found.\n");
440 release_region(tcic_base, 16);
441 driver_unregister(&tcic_driver);
442 return -ENODEV;
443 }
444
445 sockets = 0;
446 for (i = 0; i < sock; i++) {
447 if ((i == ignore) || is_active(i)) continue;
448 socket_table[sockets].psock = i;
449 socket_table[sockets].id = get_tcic_id();
450
451 socket_table[sockets].socket.owner = THIS_MODULE;
452
453
454 socket_table[sockets].socket.features = SS_CAP_PCCARD | SS_CAP_MEM_ALIGN;
455
456 socket_table[sockets].socket.irq_mask = 0x4cf8;
457
458 socket_table[sockets].socket.map_size = 0x1000;
459 sockets++;
460 }
461
462 switch (socket_table[0].id) {
463 case TCIC_ID_DB86082:
464 printk("DB86082"); break;
465 case TCIC_ID_DB86082A:
466 printk("DB86082A"); break;
467 case TCIC_ID_DB86084:
468 printk("DB86084"); break;
469 case TCIC_ID_DB86084A:
470 printk("DB86084A"); break;
471 case TCIC_ID_DB86072:
472 printk("DB86072"); break;
473 case TCIC_ID_DB86184:
474 printk("DB86184"); break;
475 case TCIC_ID_DB86082B:
476 printk("DB86082B"); break;
477 default:
478 printk("Unknown ID 0x%02x", socket_table[0].id);
479 }
480
481
482 poll_timer.function = &tcic_timer;
483 poll_timer.data = 0;
484 init_timer(&poll_timer);
485
486
487 printk(", %d sockets\n" KERN_INFO " irq list (", sockets);
488 if (irq_list_count == 0)
489 mask = irq_mask;
490 else
491 for (i = mask = 0; i < irq_list_count; i++)
492 mask |= (1<<irq_list[i]);
493
494
495 mask &= 0x4cf8;
496
497 mask = irq_scan(mask);
498 for (i=0;i<sockets;i++)
499 socket_table[i].socket.irq_mask = mask;
500
501
502 scan = (mask & (mask-1));
503 if (((scan & (scan-1)) == 0) && (poll_interval == 0))
504 poll_interval = HZ;
505
506 if (poll_interval == 0) {
507
508 u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
509 for (i = 15; i > 0; i--)
510 if ((cs_mask & (1 << i)) &&
511 (request_irq(i, tcic_interrupt, 0, "tcic",
512 tcic_interrupt) == 0))
513 break;
514 cs_irq = i;
515 if (cs_irq == 0) poll_interval = HZ;
516 }
517
518 if (socket_table[0].socket.irq_mask & (1 << 11))
519 printk("sktirq is irq 11, ");
520 if (cs_irq != 0)
521 printk("status change on irq %d\n", cs_irq);
522 else
523 printk("polled status, interval = %d ms\n",
524 poll_interval * 1000 / HZ);
525
526 for (i = 0; i < sockets; i++) {
527 tcic_setw(TCIC_ADDR+2, socket_table[i].psock << TCIC_SS_SHFT);
528 socket_table[i].last_sstat = tcic_getb(TCIC_SSTAT);
529 }
530
531
532 tcic_interrupt(0, NULL, NULL);
533
534 platform_device_register(&tcic_device);
535
536 for (i = 0; i < sockets; i++) {
537 socket_table[i].socket.ops = &tcic_operations;
538 socket_table[i].socket.resource_ops = &pccard_nonstatic_ops;
539 socket_table[i].socket.dev.dev = &tcic_device.dev;
540 ret = pcmcia_register_socket(&socket_table[i].socket);
541 if (ret && i)
542 pcmcia_unregister_socket(&socket_table[0].socket);
543 }
544
545 return ret;
546
547 return 0;
548
549}
550
551
552
553static void __exit exit_tcic(void)
554{
555 int i;
556
557 del_timer_sync(&poll_timer);
558 if (cs_irq != 0) {
559 tcic_aux_setw(TCIC_AUX_SYSCFG, TCIC_SYSCFG_AUTOBUSY|0x0a00);
560 free_irq(cs_irq, tcic_interrupt);
561 }
562 release_region(tcic_base, 16);
563
564 for (i = 0; i < sockets; i++) {
565 pcmcia_unregister_socket(&socket_table[i].socket);
566 }
567
568 platform_device_unregister(&tcic_device);
569 driver_unregister(&tcic_driver);
570}
571
572
573
574static irqreturn_t tcic_interrupt(int irq, void *dev, struct pt_regs *regs)
575{
576 int i, quick = 0;
577 u_char latch, sstat;
578 u_short psock;
579 u_int events;
580 static volatile int active = 0;
581
582 if (active) {
583 printk(KERN_NOTICE "tcic: reentered interrupt handler!\n");
584 return IRQ_NONE;
585 } else
586 active = 1;
587
588 debug(2, "tcic_interrupt()\n");
589
590 for (i = 0; i < sockets; i++) {
591 psock = socket_table[i].psock;
592 tcic_setl(TCIC_ADDR, (psock << TCIC_ADDR_SS_SHFT)
593 | TCIC_ADDR_INDREG | TCIC_SCF1(psock));
594 sstat = tcic_getb(TCIC_SSTAT);
595 latch = sstat ^ socket_table[psock].last_sstat;
596 socket_table[i].last_sstat = sstat;
597 if (tcic_getb(TCIC_ICSR) & TCIC_ICSR_CDCHG) {
598 tcic_setb(TCIC_ICSR, TCIC_ICSR_CLEAR);
599 quick = 1;
600 }
601 if (latch == 0)
602 continue;
603 events = (latch & TCIC_SSTAT_CD) ? SS_DETECT : 0;
604 events |= (latch & TCIC_SSTAT_WP) ? SS_WRPROT : 0;
605 if (tcic_getw(TCIC_DATA) & TCIC_SCF1_IOSTS) {
606 events |= (latch & TCIC_SSTAT_LBAT1) ? SS_STSCHG : 0;
607 } else {
608 events |= (latch & TCIC_SSTAT_RDY) ? SS_READY : 0;
609 events |= (latch & TCIC_SSTAT_LBAT1) ? SS_BATDEAD : 0;
610 events |= (latch & TCIC_SSTAT_LBAT2) ? SS_BATWARN : 0;
611 }
612 if (events) {
613 pcmcia_parse_events(&socket_table[i].socket, events);
614 }
615 }
616
617
618 if (((cs_irq == 0) || quick) && (!tcic_timer_pending)) {
619 poll_timer.expires = jiffies + (quick ? poll_quick : poll_interval);
620 add_timer(&poll_timer);
621 tcic_timer_pending = 1;
622 }
623 active = 0;
624
625 debug(2, "interrupt done\n");
626 return IRQ_HANDLED;
627}
628
629static void tcic_timer(u_long data)
630{
631 debug(2, "tcic_timer()\n");
632 tcic_timer_pending = 0;
633 tcic_interrupt(0, NULL, NULL);
634}
635
636
637
638static int tcic_get_status(struct pcmcia_socket *sock, u_int *value)
639{
640 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
641 u_char reg;
642
643 tcic_setl(TCIC_ADDR, (psock << TCIC_ADDR_SS_SHFT)
644 | TCIC_ADDR_INDREG | TCIC_SCF1(psock));
645 reg = tcic_getb(TCIC_SSTAT);
646 *value = (reg & TCIC_SSTAT_CD) ? SS_DETECT : 0;
647 *value |= (reg & TCIC_SSTAT_WP) ? SS_WRPROT : 0;
648 if (tcic_getw(TCIC_DATA) & TCIC_SCF1_IOSTS) {
649 *value |= (reg & TCIC_SSTAT_LBAT1) ? SS_STSCHG : 0;
650 } else {
651 *value |= (reg & TCIC_SSTAT_RDY) ? SS_READY : 0;
652 *value |= (reg & TCIC_SSTAT_LBAT1) ? SS_BATDEAD : 0;
653 *value |= (reg & TCIC_SSTAT_LBAT2) ? SS_BATWARN : 0;
654 }
655 reg = tcic_getb(TCIC_PWR);
656 if (reg & (TCIC_PWR_VCC(psock)|TCIC_PWR_VPP(psock)))
657 *value |= SS_POWERON;
658 debug(1, "GetStatus(%d) = %#2.2x\n", psock, *value);
659 return 0;
660}
661
662
663
664static int tcic_get_socket(struct pcmcia_socket *sock, socket_state_t *state)
665{
666 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
667 u_char reg;
668 u_short scf1, scf2;
669
670 tcic_setl(TCIC_ADDR, (psock << TCIC_ADDR_SS_SHFT)
671 | TCIC_ADDR_INDREG | TCIC_SCF1(psock));
672 scf1 = tcic_getw(TCIC_DATA);
673 state->flags = (scf1 & TCIC_SCF1_IOSTS) ? SS_IOCARD : 0;
674 state->flags |= (scf1 & TCIC_SCF1_DMA_MASK) ? SS_DMA_MODE : 0;
675 state->flags |= (scf1 & TCIC_SCF1_SPKR) ? SS_SPKR_ENA : 0;
676 if (tcic_getb(TCIC_SCTRL) & TCIC_SCTRL_ENA)
677 state->flags |= SS_OUTPUT_ENA;
678 state->io_irq = scf1 & TCIC_SCF1_IRQ_MASK;
679 if (state->io_irq == 1) state->io_irq = 11;
680
681 reg = tcic_getb(TCIC_PWR);
682 state->Vcc = state->Vpp = 0;
683 if (reg & TCIC_PWR_VCC(psock)) {
684 if (reg & TCIC_PWR_VPP(psock))
685 state->Vcc = 50;
686 else
687 state->Vcc = state->Vpp = 50;
688 } else {
689 if (reg & TCIC_PWR_VPP(psock)) {
690 state->Vcc = 50;
691 state->Vpp = 120;
692 }
693 }
694 reg = tcic_aux_getb(TCIC_AUX_ILOCK);
695 state->flags |= (reg & TCIC_ILOCK_CRESET) ? SS_RESET : 0;
696
697
698 tcic_setw(TCIC_ADDR, TCIC_SCF2(psock));
699 scf2 = tcic_getw(TCIC_DATA);
700 state->csc_mask = (scf2 & TCIC_SCF2_MCD) ? 0 : SS_DETECT;
701 if (state->flags & SS_IOCARD) {
702 state->csc_mask |= (scf2 & TCIC_SCF2_MLBAT1) ? 0 : SS_STSCHG;
703 } else {
704 state->csc_mask |= (scf2 & TCIC_SCF2_MLBAT1) ? 0 : SS_BATDEAD;
705 state->csc_mask |= (scf2 & TCIC_SCF2_MLBAT2) ? 0 : SS_BATWARN;
706 state->csc_mask |= (scf2 & TCIC_SCF2_MRDY) ? 0 : SS_READY;
707 }
708
709 debug(1, "GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d, "
710 "io_irq %d, csc_mask %#2.2x\n", psock, state->flags,
711 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
712 return 0;
713}
714
715
716
717static int tcic_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
718{
719 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
720 u_char reg;
721 u_short scf1, scf2;
722
723 debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
724 "io_irq %d, csc_mask %#2.2x)\n", psock, state->flags,
725 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
726 tcic_setw(TCIC_ADDR+2, (psock << TCIC_SS_SHFT) | TCIC_ADR2_INDREG);
727
728 reg = tcic_getb(TCIC_PWR);
729 reg &= ~(TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock));
730
731 if (state->Vcc == 50) {
732 switch (state->Vpp) {
733 case 0: reg |= TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock); break;
734 case 50: reg |= TCIC_PWR_VCC(psock); break;
735 case 120: reg |= TCIC_PWR_VPP(psock); break;
736 default: return -EINVAL;
737 }
738 } else if (state->Vcc != 0)
739 return -EINVAL;
740
741 if (reg != tcic_getb(TCIC_PWR))
742 tcic_setb(TCIC_PWR, reg);
743
744 reg = TCIC_ILOCK_HOLD_CCLK | TCIC_ILOCK_CWAIT;
745 if (state->flags & SS_OUTPUT_ENA) {
746 tcic_setb(TCIC_SCTRL, TCIC_SCTRL_ENA);
747 reg |= TCIC_ILOCK_CRESENA;
748 } else
749 tcic_setb(TCIC_SCTRL, 0);
750 if (state->flags & SS_RESET)
751 reg |= TCIC_ILOCK_CRESET;
752 tcic_aux_setb(TCIC_AUX_ILOCK, reg);
753
754 tcic_setw(TCIC_ADDR, TCIC_SCF1(psock));
755 scf1 = TCIC_SCF1_FINPACK;
756 scf1 |= TCIC_IRQ(state->io_irq);
757 if (state->flags & SS_IOCARD) {
758 scf1 |= TCIC_SCF1_IOSTS;
759 if (state->flags & SS_SPKR_ENA)
760 scf1 |= TCIC_SCF1_SPKR;
761 if (state->flags & SS_DMA_MODE)
762 scf1 |= TCIC_SCF1_DREQ2 << TCIC_SCF1_DMA_SHIFT;
763 }
764 tcic_setw(TCIC_DATA, scf1);
765
766
767 reg = TCIC_WAIT_ASYNC | TCIC_WAIT_SENSE | to_cycles(250);
768 tcic_aux_setb(TCIC_AUX_WCTL, reg);
769 tcic_aux_setw(TCIC_AUX_SYSCFG, TCIC_SYSCFG_AUTOBUSY|0x0a00|
770 TCIC_IRQ(cs_irq));
771
772
773 tcic_setw(TCIC_ADDR, TCIC_SCF2(psock));
774 scf2 = TCIC_SCF2_MALL;
775 if (state->csc_mask & SS_DETECT) scf2 &= ~TCIC_SCF2_MCD;
776 if (state->flags & SS_IOCARD) {
777 if (state->csc_mask & SS_STSCHG) reg &= ~TCIC_SCF2_MLBAT1;
778 } else {
779 if (state->csc_mask & SS_BATDEAD) reg &= ~TCIC_SCF2_MLBAT1;
780 if (state->csc_mask & SS_BATWARN) reg &= ~TCIC_SCF2_MLBAT2;
781 if (state->csc_mask & SS_READY) reg &= ~TCIC_SCF2_MRDY;
782 }
783 tcic_setw(TCIC_DATA, scf2);
784
785 tcic_setb(TCIC_IENA, TCIC_IENA_CDCHG | TCIC_IENA_CFG_HIGH);
786
787 return 0;
788}
789
790
791
792static int tcic_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
793{
794 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
795 u_int addr;
796 u_short base, len, ioctl;
797
798 debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, "
799 "%#lx-%#lx)\n", psock, io->map, io->flags,
800 io->speed, io->start, io->stop);
801 if ((io->map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
802 (io->stop < io->start)) return -EINVAL;
803 tcic_setw(TCIC_ADDR+2, TCIC_ADR2_INDREG | (psock << TCIC_SS_SHFT));
804 addr = TCIC_IWIN(psock, io->map);
805
806 base = io->start; len = io->stop - io->start;
807
808 if ((len & (len+1)) || (base & len)) return -EINVAL;
809 base |= (len+1)>>1;
810 tcic_setw(TCIC_ADDR, addr + TCIC_IBASE_X);
811 tcic_setw(TCIC_DATA, base);
812
813 ioctl = (psock << TCIC_ICTL_SS_SHFT);
814 ioctl |= (len == 0) ? TCIC_ICTL_TINY : 0;
815 ioctl |= (io->flags & MAP_ACTIVE) ? TCIC_ICTL_ENA : 0;
816 ioctl |= to_cycles(io->speed) & TCIC_ICTL_WSCNT_MASK;
817 if (!(io->flags & MAP_AUTOSZ)) {
818 ioctl |= TCIC_ICTL_QUIET;
819 ioctl |= (io->flags & MAP_16BIT) ? TCIC_ICTL_BW_16 : TCIC_ICTL_BW_8;
820 }
821 tcic_setw(TCIC_ADDR, addr + TCIC_ICTL_X);
822 tcic_setw(TCIC_DATA, ioctl);
823
824 return 0;
825}
826
827
828
829static int tcic_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
830{
831 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
832 u_short addr, ctl;
833 u_long base, len, mmap;
834
835 debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, "
836 "%#lx-%#lx, %#x)\n", psock, mem->map, mem->flags,
837 mem->speed, mem->res->start, mem->res->end, mem->card_start);
838 if ((mem->map > 3) || (mem->card_start > 0x3ffffff) ||
839 (mem->res->start > 0xffffff) || (mem->res->end > 0xffffff) ||
840 (mem->res->start > mem->res->end) || (mem->speed > 1000))
841 return -EINVAL;
842 tcic_setw(TCIC_ADDR+2, TCIC_ADR2_INDREG | (psock << TCIC_SS_SHFT));
843 addr = TCIC_MWIN(psock, mem->map);
844
845 base = mem->res->start; len = mem->res->end - mem->res->start;
846 if ((len & (len+1)) || (base & len)) return -EINVAL;
847 if (len == 0x0fff)
848 base = (base >> TCIC_MBASE_HA_SHFT) | TCIC_MBASE_4K_BIT;
849 else
850 base = (base | (len+1)>>1) >> TCIC_MBASE_HA_SHFT;
851 tcic_setw(TCIC_ADDR, addr + TCIC_MBASE_X);
852 tcic_setw(TCIC_DATA, base);
853
854 mmap = mem->card_start - mem->res->start;
855 mmap = (mmap >> TCIC_MMAP_CA_SHFT) & TCIC_MMAP_CA_MASK;
856 if (mem->flags & MAP_ATTRIB) mmap |= TCIC_MMAP_REG;
857 tcic_setw(TCIC_ADDR, addr + TCIC_MMAP_X);
858 tcic_setw(TCIC_DATA, mmap);
859
860 ctl = TCIC_MCTL_QUIET | (psock << TCIC_MCTL_SS_SHFT);
861 ctl |= to_cycles(mem->speed) & TCIC_MCTL_WSCNT_MASK;
862 ctl |= (mem->flags & MAP_16BIT) ? 0 : TCIC_MCTL_B8;
863 ctl |= (mem->flags & MAP_WRPROT) ? TCIC_MCTL_WP : 0;
864 ctl |= (mem->flags & MAP_ACTIVE) ? TCIC_MCTL_ENA : 0;
865 tcic_setw(TCIC_ADDR, addr + TCIC_MCTL_X);
866 tcic_setw(TCIC_DATA, ctl);
867
868 return 0;
869}
870
871
872
873static int tcic_init(struct pcmcia_socket *s)
874{
875 int i;
876 struct resource res = { .start = 0, .end = 0x1000 };
877 pccard_io_map io = { 0, 0, 0, 0, 1 };
878 pccard_mem_map mem = { .res = &res, };
879
880 for (i = 0; i < 2; i++) {
881 io.map = i;
882 tcic_set_io_map(s, &io);
883 }
884 for (i = 0; i < 5; i++) {
885 mem.map = i;
886 tcic_set_mem_map(s, &mem);
887 }
888 return 0;
889}
890
891static int tcic_suspend(struct pcmcia_socket *sock)
892{
893 return tcic_set_socket(sock, &dead_socket);
894}
895
896static struct pccard_operations tcic_operations = {
897 .init = tcic_init,
898 .suspend = tcic_suspend,
899 .get_status = tcic_get_status,
900 .get_socket = tcic_get_socket,
901 .set_socket = tcic_set_socket,
902 .set_io_map = tcic_set_io_map,
903 .set_mem_map = tcic_set_mem_map,
904};
905
906
907
908module_init(init_tcic);
909module_exit(exit_tcic);
910
