i82365.c revision 1.27 1 /* $NetBSD: i82365.c,v 1.27 2000/01/02 02:08:07 sommerfeld Exp $ */
2
3 #define PCICDEBUG
4
5 /*
6 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Marc Horowitz.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include <sys/types.h>
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38 #include <sys/extent.h>
39 #include <sys/kernel.h>
40 #include <sys/malloc.h>
41 #include <sys/kthread.h>
42
43 #include <vm/vm.h>
44
45 #include <machine/bus.h>
46 #include <machine/intr.h>
47
48 #include <dev/pcmcia/pcmciareg.h>
49 #include <dev/pcmcia/pcmciavar.h>
50
51 #include <dev/ic/i82365reg.h>
52 #include <dev/ic/i82365var.h>
53
54 #include "locators.h"
55
56 #ifdef PCICDEBUG
57 int pcic_debug = 0;
58 #define DPRINTF(arg) if (pcic_debug) printf arg;
59 #else
60 #define DPRINTF(arg)
61 #endif
62
63 #define PCIC_VENDOR_UNKNOWN 0
64 #define PCIC_VENDOR_I82365SLR0 1
65 #define PCIC_VENDOR_I82365SLR1 2
66 #define PCIC_VENDOR_CIRRUS_PD6710 3
67 #define PCIC_VENDOR_CIRRUS_PD672X 4
68
69 /*
70 * Individual drivers will allocate their own memory and io regions. Memory
71 * regions must be a multiple of 4k, aligned on a 4k boundary.
72 */
73
74 #define PCIC_MEM_ALIGN PCIC_MEM_PAGESIZE
75
76 void pcic_attach_socket __P((struct pcic_handle *));
77 void pcic_init_socket __P((struct pcic_handle *));
78
79 int pcic_submatch __P((struct device *, struct cfdata *, void *));
80 int pcic_print __P((void *arg, const char *pnp));
81 int pcic_intr_socket __P((struct pcic_handle *));
82
83 void pcic_attach_card __P((struct pcic_handle *));
84 void pcic_detach_card __P((struct pcic_handle *, int));
85 void pcic_deactivate_card __P((struct pcic_handle *));
86
87 void pcic_chip_do_mem_map __P((struct pcic_handle *, int));
88 void pcic_chip_do_io_map __P((struct pcic_handle *, int));
89
90 void pcic_create_event_thread __P((void *));
91 void pcic_event_thread __P((void *));
92
93 void pcic_queue_event __P((struct pcic_handle *, int));
94 void pcic_power __P((int, void *));
95
96 static void pcic_wait_ready __P((struct pcic_handle *));
97
98 static u_int8_t st_pcic_read __P((struct pcic_handle *, int));
99 static void st_pcic_write __P((struct pcic_handle *, int, u_int8_t));
100
101 int
102 pcic_ident_ok(ident)
103 int ident;
104 {
105 /* this is very empirical and heuristic */
106
107 if ((ident == 0) || (ident == 0xff) || (ident & PCIC_IDENT_ZERO))
108 return (0);
109
110 if ((ident & PCIC_IDENT_IFTYPE_MASK) != PCIC_IDENT_IFTYPE_MEM_AND_IO) {
111 #ifdef DIAGNOSTIC
112 printf("pcic: does not support memory and I/O cards, "
113 "ignored (ident=%0x)\n", ident);
114 #endif
115 return (0);
116 }
117 return (1);
118 }
119
120 int
121 pcic_vendor(h)
122 struct pcic_handle *h;
123 {
124 int reg;
125
126 /*
127 * the chip_id of the cirrus toggles between 11 and 00 after a write.
128 * weird.
129 */
130
131 pcic_write(h, PCIC_CIRRUS_CHIP_INFO, 0);
132 reg = pcic_read(h, -1);
133
134 if ((reg & PCIC_CIRRUS_CHIP_INFO_CHIP_ID) ==
135 PCIC_CIRRUS_CHIP_INFO_CHIP_ID) {
136 reg = pcic_read(h, -1);
137 if ((reg & PCIC_CIRRUS_CHIP_INFO_CHIP_ID) == 0) {
138 if (reg & PCIC_CIRRUS_CHIP_INFO_SLOTS)
139 return (PCIC_VENDOR_CIRRUS_PD672X);
140 else
141 return (PCIC_VENDOR_CIRRUS_PD6710);
142 }
143 }
144
145 reg = pcic_read(h, PCIC_IDENT);
146
147 if ((reg & PCIC_IDENT_REV_MASK) == PCIC_IDENT_REV_I82365SLR0)
148 return (PCIC_VENDOR_I82365SLR0);
149 else
150 return (PCIC_VENDOR_I82365SLR1);
151
152 return (PCIC_VENDOR_UNKNOWN);
153 }
154
155 char *
156 pcic_vendor_to_string(vendor)
157 int vendor;
158 {
159 switch (vendor) {
160 case PCIC_VENDOR_I82365SLR0:
161 return ("Intel 82365SL Revision 0");
162 case PCIC_VENDOR_I82365SLR1:
163 return ("Intel 82365SL Revision 1");
164 case PCIC_VENDOR_CIRRUS_PD6710:
165 return ("Cirrus PD6710");
166 case PCIC_VENDOR_CIRRUS_PD672X:
167 return ("Cirrus PD672X");
168 }
169
170 return ("Unknown controller");
171 }
172
173 void
174 pcic_attach(sc)
175 struct pcic_softc *sc;
176 {
177 int vendor, count, i, reg;
178
179 /* now check for each controller/socket */
180
181 /*
182 * this could be done with a loop, but it would violate the
183 * abstraction
184 */
185
186 count = 0;
187
188 DPRINTF(("pcic ident regs:"));
189
190 sc->handle[0].ph_parent = (struct device *)sc;
191 sc->handle[0].sock = C0SA;
192 /* initialise pcic_read and pcic_write functions */
193 sc->handle[0].ph_read = st_pcic_read;
194 sc->handle[0].ph_write = st_pcic_write;
195 sc->handle[0].ph_bus_t = sc->iot;
196 sc->handle[0].ph_bus_h = sc->ioh;
197 if (pcic_ident_ok(reg = pcic_read(&sc->handle[0], PCIC_IDENT))) {
198 sc->handle[0].flags = PCIC_FLAG_SOCKETP;
199 count++;
200 } else {
201 sc->handle[0].flags = 0;
202 }
203 sc->handle[0].laststate = PCIC_LASTSTATE_EMPTY;
204
205 DPRINTF((" 0x%02x", reg));
206
207 sc->handle[1].ph_parent = (struct device *)sc;
208 sc->handle[1].sock = C0SB;
209 /* initialise pcic_read and pcic_write functions */
210 sc->handle[1].ph_read = st_pcic_read;
211 sc->handle[1].ph_write = st_pcic_write;
212 sc->handle[1].ph_bus_t = sc->iot;
213 sc->handle[1].ph_bus_h = sc->ioh;
214 if (pcic_ident_ok(reg = pcic_read(&sc->handle[1], PCIC_IDENT))) {
215 sc->handle[1].flags = PCIC_FLAG_SOCKETP;
216 count++;
217 } else {
218 sc->handle[1].flags = 0;
219 }
220 sc->handle[1].laststate = PCIC_LASTSTATE_EMPTY;
221
222 DPRINTF((" 0x%02x", reg));
223
224 /*
225 * The CL-PD6729 has only one controller and always returns 0
226 * if you try to read from the second one. Maybe pcic_ident_ok
227 * shouldn't accept 0?
228 */
229 sc->handle[2].ph_parent = (struct device *)sc;
230 sc->handle[2].sock = C1SA;
231 /* initialise pcic_read and pcic_write functions */
232 sc->handle[2].ph_read = st_pcic_read;
233 sc->handle[2].ph_write = st_pcic_write;
234 sc->handle[2].ph_bus_t = sc->iot;
235 sc->handle[2].ph_bus_h = sc->ioh;
236 if (pcic_vendor(&sc->handle[0]) != PCIC_VENDOR_CIRRUS_PD672X ||
237 pcic_read(&sc->handle[2], PCIC_IDENT) != 0) {
238 if (pcic_ident_ok(reg = pcic_read(&sc->handle[2],
239 PCIC_IDENT))) {
240 sc->handle[2].flags = PCIC_FLAG_SOCKETP;
241 count++;
242 } else {
243 sc->handle[2].flags = 0;
244 }
245 sc->handle[2].laststate = PCIC_LASTSTATE_EMPTY;
246
247 DPRINTF((" 0x%02x", reg));
248
249 sc->handle[3].ph_parent = (struct device *)sc;
250 sc->handle[3].sock = C1SB;
251 /* initialise pcic_read and pcic_write functions */
252 sc->handle[3].ph_read = st_pcic_read;
253 sc->handle[3].ph_write = st_pcic_write;
254 sc->handle[3].ph_bus_t = sc->iot;
255 sc->handle[3].ph_bus_h = sc->ioh;
256 if (pcic_ident_ok(reg = pcic_read(&sc->handle[3],
257 PCIC_IDENT))) {
258 sc->handle[3].flags = PCIC_FLAG_SOCKETP;
259 count++;
260 } else {
261 sc->handle[3].flags = 0;
262 }
263 sc->handle[3].laststate = PCIC_LASTSTATE_EMPTY;
264
265 DPRINTF((" 0x%02x\n", reg));
266 } else {
267 sc->handle[2].flags = 0;
268 sc->handle[3].flags = 0;
269 }
270
271 if (count == 0)
272 panic("pcic_attach: attach found no sockets");
273
274 /* establish the interrupt */
275
276 /* XXX block interrupts? */
277
278 for (i = 0; i < PCIC_NSLOTS; i++) {
279 /*
280 * this should work, but w/o it, setting tty flags hangs at
281 * boot time.
282 */
283 if (sc->handle[i].flags & PCIC_FLAG_SOCKETP)
284 {
285 SIMPLEQ_INIT(&sc->handle[i].events);
286 pcic_write(&sc->handle[i], PCIC_CSC_INTR, 0);
287 pcic_read(&sc->handle[i], PCIC_CSC);
288 }
289 }
290
291 if ((sc->handle[0].flags & PCIC_FLAG_SOCKETP) ||
292 (sc->handle[1].flags & PCIC_FLAG_SOCKETP)) {
293 vendor = pcic_vendor(&sc->handle[0]);
294
295 printf("%s: controller 0 (%s) has ", sc->dev.dv_xname,
296 pcic_vendor_to_string(vendor));
297
298 if ((sc->handle[0].flags & PCIC_FLAG_SOCKETP) &&
299 (sc->handle[1].flags & PCIC_FLAG_SOCKETP))
300 printf("sockets A and B\n");
301 else if (sc->handle[0].flags & PCIC_FLAG_SOCKETP)
302 printf("socket A only\n");
303 else
304 printf("socket B only\n");
305
306 if (sc->handle[0].flags & PCIC_FLAG_SOCKETP)
307 sc->handle[0].vendor = vendor;
308 if (sc->handle[1].flags & PCIC_FLAG_SOCKETP)
309 sc->handle[1].vendor = vendor;
310 }
311 if ((sc->handle[2].flags & PCIC_FLAG_SOCKETP) ||
312 (sc->handle[3].flags & PCIC_FLAG_SOCKETP)) {
313 vendor = pcic_vendor(&sc->handle[2]);
314
315 printf("%s: controller 1 (%s) has ", sc->dev.dv_xname,
316 pcic_vendor_to_string(vendor));
317
318 if ((sc->handle[2].flags & PCIC_FLAG_SOCKETP) &&
319 (sc->handle[3].flags & PCIC_FLAG_SOCKETP))
320 printf("sockets A and B\n");
321 else if (sc->handle[2].flags & PCIC_FLAG_SOCKETP)
322 printf("socket A only\n");
323 else
324 printf("socket B only\n");
325
326 if (sc->handle[2].flags & PCIC_FLAG_SOCKETP)
327 sc->handle[2].vendor = vendor;
328 if (sc->handle[3].flags & PCIC_FLAG_SOCKETP)
329 sc->handle[3].vendor = vendor;
330 }
331 }
332
333 void
334 pcic_attach_sockets(sc)
335 struct pcic_softc *sc;
336 {
337 int i;
338
339 for (i = 0; i < PCIC_NSLOTS; i++)
340 if (sc->handle[i].flags & PCIC_FLAG_SOCKETP)
341 pcic_attach_socket(&sc->handle[i]);
342 }
343
344 void
345 pcic_power (why, arg)
346 int why;
347 void *arg;
348 {
349 struct pcic_handle *h = (struct pcic_handle *)arg;
350 struct pcic_softc *sc = (struct pcic_softc *)(h->ph_parent);
351
352 if (h->flags & PCIC_FLAG_SOCKETP) {
353 if ((why == PWR_RESUME) &&
354 (pcic_read(h, PCIC_CSC_INTR) == 0)) {
355 #ifdef PCICDEBUG
356 char bitbuf[64];
357 #endif
358 pcic_write(h, PCIC_CSC_INTR,
359 (sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) |
360 PCIC_CSC_INTR_CD_ENABLE);
361 DPRINTF(("%s: CSC_INTR was zero; reset to %s\n",
362 sc->dev.dv_xname,
363 bitmask_snprintf(pcic_read(h, PCIC_CSC_INTR),
364 PCIC_CSC_INTR_FORMAT,
365 bitbuf, sizeof(bitbuf))));
366 }
367 }
368 }
369
370
371 void
372 pcic_attach_socket(h)
373 struct pcic_handle *h;
374 {
375 struct pcmciabus_attach_args paa;
376 struct pcic_softc *sc = (struct pcic_softc *)(h->ph_parent);
377
378 /* initialize the rest of the handle */
379
380 h->shutdown = 0;
381 h->memalloc = 0;
382 h->ioalloc = 0;
383 h->ih_irq = 0;
384
385 /* now, config one pcmcia device per socket */
386
387 paa.paa_busname = "pcmcia";
388 paa.pct = (pcmcia_chipset_tag_t) sc->pct;
389 paa.pch = (pcmcia_chipset_handle_t) h;
390 paa.iobase = sc->iobase;
391 paa.iosize = sc->iosize;
392
393 h->pcmcia = config_found_sm(&sc->dev, &paa, pcic_print,
394 pcic_submatch);
395
396 /* if there's actually a pcmcia device attached, initialize the slot */
397
398 if (h->pcmcia)
399 pcic_init_socket(h);
400 }
401
402 void
403 pcic_create_event_thread(arg)
404 void *arg;
405 {
406 struct pcic_handle *h = arg;
407 const char *cs;
408
409 switch (h->sock) {
410 case C0SA:
411 cs = "0,0";
412 break;
413 case C0SB:
414 cs = "0,1";
415 break;
416 case C1SA:
417 cs = "1,0";
418 break;
419 case C1SB:
420 cs = "1,1";
421 break;
422 default:
423 panic("pcic_create_event_thread: unknown pcic socket");
424 }
425
426 if (kthread_create1(pcic_event_thread, h, &h->event_thread,
427 "%s,%s", h->ph_parent->dv_xname, cs)) {
428 printf("%s: unable to create event thread for sock 0x%02x\n",
429 h->ph_parent->dv_xname, h->sock);
430 panic("pcic_create_event_thread");
431 }
432 }
433
434 void
435 pcic_event_thread(arg)
436 void *arg;
437 {
438 struct pcic_handle *h = arg;
439 struct pcic_event *pe;
440 int s;
441 struct pcic_softc *sc = (struct pcic_softc *)(h->ph_parent);
442
443 while (h->shutdown == 0) {
444 s = splhigh();
445 if ((pe = SIMPLEQ_FIRST(&h->events)) == NULL) {
446 splx(s);
447 (void) tsleep(&h->events, PWAIT, "pcicev", 0);
448 continue;
449 } else {
450 splx(s);
451 /* sleep .25s to be enqueued chatterling interrupts */
452 (void) tsleep((caddr_t)pcic_event_thread, PWAIT, "pcicss", hz/4);
453 }
454 s = splhigh();
455 SIMPLEQ_REMOVE_HEAD(&h->events, pe, pe_q);
456 splx(s);
457
458 switch (pe->pe_type) {
459 case PCIC_EVENT_INSERTION:
460 s = splhigh();
461 while (1) {
462 struct pcic_event *pe1, *pe2;
463
464 if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL)
465 break;
466 if (pe1->pe_type != PCIC_EVENT_REMOVAL)
467 break;
468 if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL)
469 break;
470 if (pe2->pe_type == PCIC_EVENT_INSERTION) {
471 SIMPLEQ_REMOVE_HEAD(&h->events, pe1, pe_q);
472 free(pe1, M_TEMP);
473 SIMPLEQ_REMOVE_HEAD(&h->events, pe2, pe_q);
474 free(pe2, M_TEMP);
475 }
476 }
477 splx(s);
478
479 DPRINTF(("%s: insertion event\n", h->ph_parent->dv_xname));
480 pcic_attach_card(h);
481 break;
482
483 case PCIC_EVENT_REMOVAL:
484 s = splhigh();
485 while (1) {
486 struct pcic_event *pe1, *pe2;
487
488 if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL)
489 break;
490 if (pe1->pe_type != PCIC_EVENT_INSERTION)
491 break;
492 if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL)
493 break;
494 if (pe2->pe_type == PCIC_EVENT_REMOVAL) {
495 SIMPLEQ_REMOVE_HEAD(&h->events, pe1, pe_q);
496 free(pe1, M_TEMP);
497 SIMPLEQ_REMOVE_HEAD(&h->events, pe2, pe_q);
498 free(pe2, M_TEMP);
499 }
500 }
501 splx(s);
502
503 DPRINTF(("%s: removal event\n", h->ph_parent->dv_xname));
504 pcic_detach_card(h, DETACH_FORCE);
505 break;
506
507 default:
508 panic("pcic_event_thread: unknown event %d",
509 pe->pe_type);
510 }
511 free(pe, M_TEMP);
512 }
513
514 h->event_thread = NULL;
515
516 /* In case parent is waiting for us to exit. */
517 wakeup(sc);
518
519 kthread_exit(0);
520 }
521
522 void
523 pcic_init_socket(h)
524 struct pcic_handle *h;
525 {
526 int reg;
527 struct pcic_softc *sc = (struct pcic_softc *)(h->ph_parent);
528
529 /*
530 * queue creation of a kernel thread to handle insert/removal events.
531 */
532 #ifdef DIAGNOSTIC
533 if (h->event_thread != NULL)
534 panic("pcic_attach_socket: event thread");
535 #endif
536 kthread_create(pcic_create_event_thread, h);
537
538 /* set up the card to interrupt on card detect */
539
540 pcic_write(h, PCIC_CSC_INTR, (sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) |
541 PCIC_CSC_INTR_CD_ENABLE);
542 pcic_write(h, PCIC_INTR, 0);
543 pcic_read(h, PCIC_CSC);
544
545 /*
546 * Set up a powerhook to ensure it continues to interrupt on
547 * card detect even after suspend.
548 * (this works around a bug seen in suspend-to-disk on the
549 * Sony VAIO Z505; on resume, the CSC_INTR state is not preserved).
550 */
551 powerhook_establish(pcic_power, h);
552
553 /* unsleep the cirrus controller */
554
555 if ((h->vendor == PCIC_VENDOR_CIRRUS_PD6710) ||
556 (h->vendor == PCIC_VENDOR_CIRRUS_PD672X)) {
557 reg = pcic_read(h, PCIC_CIRRUS_MISC_CTL_2);
558 if (reg & PCIC_CIRRUS_MISC_CTL_2_SUSPEND) {
559 DPRINTF(("%s: socket %02x was suspended\n",
560 h->ph_parent->dv_xname, h->sock));
561 reg &= ~PCIC_CIRRUS_MISC_CTL_2_SUSPEND;
562 pcic_write(h, PCIC_CIRRUS_MISC_CTL_2, reg);
563 }
564 }
565 /* if there's a card there, then attach it. */
566
567 reg = pcic_read(h, PCIC_IF_STATUS);
568
569 if ((reg & PCIC_IF_STATUS_CARDDETECT_MASK) ==
570 PCIC_IF_STATUS_CARDDETECT_PRESENT) {
571 pcic_attach_card(h);
572 h->laststate = PCIC_LASTSTATE_PRESENT;
573 } else {
574 h->laststate = PCIC_LASTSTATE_EMPTY;
575 }
576 }
577
578 int
579 pcic_submatch(parent, cf, aux)
580 struct device *parent;
581 struct cfdata *cf;
582 void *aux;
583 {
584
585 struct pcmciabus_attach_args *paa = aux;
586 struct pcic_handle *h = (struct pcic_handle *) paa->pch;
587
588 switch (h->sock) {
589 case C0SA:
590 if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] !=
591 PCMCIABUSCF_CONTROLLER_DEFAULT &&
592 cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 0)
593 return 0;
594 if (cf->cf_loc[PCMCIABUSCF_SOCKET] !=
595 PCMCIABUSCF_SOCKET_DEFAULT &&
596 cf->cf_loc[PCMCIABUSCF_SOCKET] != 0)
597 return 0;
598
599 break;
600 case C0SB:
601 if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] !=
602 PCMCIABUSCF_CONTROLLER_DEFAULT &&
603 cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 0)
604 return 0;
605 if (cf->cf_loc[PCMCIABUSCF_SOCKET] !=
606 PCMCIABUSCF_SOCKET_DEFAULT &&
607 cf->cf_loc[PCMCIABUSCF_SOCKET] != 1)
608 return 0;
609
610 break;
611 case C1SA:
612 if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] !=
613 PCMCIABUSCF_CONTROLLER_DEFAULT &&
614 cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 1)
615 return 0;
616 if (cf->cf_loc[PCMCIABUSCF_SOCKET] !=
617 PCMCIABUSCF_SOCKET_DEFAULT &&
618 cf->cf_loc[PCMCIABUSCF_SOCKET] != 0)
619 return 0;
620
621 break;
622 case C1SB:
623 if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] !=
624 PCMCIABUSCF_CONTROLLER_DEFAULT &&
625 cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 1)
626 return 0;
627 if (cf->cf_loc[PCMCIABUSCF_SOCKET] !=
628 PCMCIABUSCF_SOCKET_DEFAULT &&
629 cf->cf_loc[PCMCIABUSCF_SOCKET] != 1)
630 return 0;
631
632 break;
633 default:
634 panic("unknown pcic socket");
635 }
636
637 return ((*cf->cf_attach->ca_match)(parent, cf, aux));
638 }
639
640 int
641 pcic_print(arg, pnp)
642 void *arg;
643 const char *pnp;
644 {
645 struct pcmciabus_attach_args *paa = arg;
646 struct pcic_handle *h = (struct pcic_handle *) paa->pch;
647
648 /* Only "pcmcia"s can attach to "pcic"s... easy. */
649 if (pnp)
650 printf("pcmcia at %s", pnp);
651
652 switch (h->sock) {
653 case C0SA:
654 printf(" controller 0 socket 0");
655 break;
656 case C0SB:
657 printf(" controller 0 socket 1");
658 break;
659 case C1SA:
660 printf(" controller 1 socket 0");
661 break;
662 case C1SB:
663 printf(" controller 1 socket 1");
664 break;
665 default:
666 panic("unknown pcic socket");
667 }
668
669 return (UNCONF);
670 }
671
672 int
673 pcic_intr(arg)
674 void *arg;
675 {
676 struct pcic_softc *sc = arg;
677 int i, ret = 0;
678
679 DPRINTF(("%s: intr\n", sc->dev.dv_xname));
680
681 for (i = 0; i < PCIC_NSLOTS; i++)
682 if (sc->handle[i].flags & PCIC_FLAG_SOCKETP)
683 ret += pcic_intr_socket(&sc->handle[i]);
684
685 return (ret ? 1 : 0);
686 }
687
688 int
689 pcic_intr_socket(h)
690 struct pcic_handle *h;
691 {
692 int cscreg;
693
694 cscreg = pcic_read(h, PCIC_CSC);
695
696 cscreg &= (PCIC_CSC_GPI |
697 PCIC_CSC_CD |
698 PCIC_CSC_READY |
699 PCIC_CSC_BATTWARN |
700 PCIC_CSC_BATTDEAD);
701
702 if (cscreg & PCIC_CSC_GPI) {
703 DPRINTF(("%s: %02x GPI\n", h->ph_parent->dv_xname, h->sock));
704 }
705 if (cscreg & PCIC_CSC_CD) {
706 int statreg;
707
708 statreg = pcic_read(h, PCIC_IF_STATUS);
709
710 DPRINTF(("%s: %02x CD %x\n", h->ph_parent->dv_xname, h->sock,
711 statreg));
712
713 if ((statreg & PCIC_IF_STATUS_CARDDETECT_MASK) ==
714 PCIC_IF_STATUS_CARDDETECT_PRESENT) {
715 if (h->laststate != PCIC_LASTSTATE_PRESENT) {
716 DPRINTF(("%s: enqueing INSERTION event\n",
717 h->ph_parent->dv_xname));
718 pcic_queue_event(h, PCIC_EVENT_INSERTION);
719 }
720 h->laststate = PCIC_LASTSTATE_PRESENT;
721 } else {
722 if (h->laststate == PCIC_LASTSTATE_PRESENT) {
723 /* Deactivate the card now. */
724 DPRINTF(("%s: deactivating card\n",
725 h->ph_parent->dv_xname));
726 pcic_deactivate_card(h);
727
728 DPRINTF(("%s: enqueing REMOVAL event\n",
729 h->ph_parent->dv_xname));
730 pcic_queue_event(h, PCIC_EVENT_REMOVAL);
731 }
732 h->laststate = ((statreg & PCIC_IF_STATUS_CARDDETECT_MASK) == 0)
733 ? PCIC_LASTSTATE_EMPTY : PCIC_LASTSTATE_HALF;
734 }
735 }
736 if (cscreg & PCIC_CSC_READY) {
737 DPRINTF(("%s: %02x READY\n", h->ph_parent->dv_xname, h->sock));
738 /* shouldn't happen */
739 }
740 if (cscreg & PCIC_CSC_BATTWARN) {
741 DPRINTF(("%s: %02x BATTWARN\n", h->ph_parent->dv_xname, h->sock));
742 }
743 if (cscreg & PCIC_CSC_BATTDEAD) {
744 DPRINTF(("%s: %02x BATTDEAD\n", h->ph_parent->dv_xname, h->sock));
745 }
746 return (cscreg ? 1 : 0);
747 }
748
749 void
750 pcic_queue_event(h, event)
751 struct pcic_handle *h;
752 int event;
753 {
754 struct pcic_event *pe;
755 int s;
756
757 pe = malloc(sizeof(*pe), M_TEMP, M_NOWAIT);
758 if (pe == NULL)
759 panic("pcic_queue_event: can't allocate event");
760
761 pe->pe_type = event;
762 s = splhigh();
763 SIMPLEQ_INSERT_TAIL(&h->events, pe, pe_q);
764 splx(s);
765 wakeup(&h->events);
766 }
767
768 void
769 pcic_attach_card(h)
770 struct pcic_handle *h;
771 {
772
773 if (!(h->flags & PCIC_FLAG_CARDP)) {
774 /* call the MI attach function */
775 pcmcia_card_attach(h->pcmcia);
776
777 h->flags |= PCIC_FLAG_CARDP;
778 } else {
779 DPRINTF(("pcic_attach_card: already attached"));
780 }
781 }
782
783 void
784 pcic_detach_card(h, flags)
785 struct pcic_handle *h;
786 int flags; /* DETACH_* */
787 {
788
789 if (h->flags & PCIC_FLAG_CARDP) {
790 h->flags &= ~PCIC_FLAG_CARDP;
791
792 /* call the MI detach function */
793 pcmcia_card_detach(h->pcmcia, flags);
794 } else {
795 DPRINTF(("pcic_detach_card: already detached"));
796 }
797 }
798
799 void
800 pcic_deactivate_card(h)
801 struct pcic_handle *h;
802 {
803
804 /* call the MI deactivate function */
805 pcmcia_card_deactivate(h->pcmcia);
806
807 /* power down the socket */
808 pcic_write(h, PCIC_PWRCTL, 0);
809
810 /* reset the socket */
811 pcic_write(h, PCIC_INTR, 0);
812 }
813
814 int
815 pcic_chip_mem_alloc(pch, size, pcmhp)
816 pcmcia_chipset_handle_t pch;
817 bus_size_t size;
818 struct pcmcia_mem_handle *pcmhp;
819 {
820 struct pcic_handle *h = (struct pcic_handle *) pch;
821 bus_space_handle_t memh;
822 bus_addr_t addr;
823 bus_size_t sizepg;
824 int i, mask, mhandle;
825 struct pcic_softc *sc = (struct pcic_softc *)(h->ph_parent);
826
827 /* out of sc->memh, allocate as many pages as necessary */
828
829 /* convert size to PCIC pages */
830 sizepg = (size + (PCIC_MEM_ALIGN - 1)) / PCIC_MEM_ALIGN;
831 if (sizepg > PCIC_MAX_MEM_PAGES)
832 return (1);
833
834 mask = (1 << sizepg) - 1;
835
836 addr = 0; /* XXX gcc -Wuninitialized */
837 mhandle = 0; /* XXX gcc -Wuninitialized */
838
839 for (i = 0; i <= PCIC_MAX_MEM_PAGES - sizepg; i++) {
840 if ((sc->subregionmask & (mask << i)) == (mask << i)) {
841 if (bus_space_subregion(sc->memt, sc->memh,
842 i * PCIC_MEM_PAGESIZE,
843 sizepg * PCIC_MEM_PAGESIZE, &memh))
844 return (1);
845 mhandle = mask << i;
846 addr = sc->membase + (i * PCIC_MEM_PAGESIZE);
847 sc->subregionmask &= ~(mhandle);
848 pcmhp->memt = sc->memt;
849 pcmhp->memh = memh;
850 pcmhp->addr = addr;
851 pcmhp->size = size;
852 pcmhp->mhandle = mhandle;
853 pcmhp->realsize = sizepg * PCIC_MEM_PAGESIZE;
854 return (0);
855 }
856 }
857
858 return (1);
859 }
860
861 void
862 pcic_chip_mem_free(pch, pcmhp)
863 pcmcia_chipset_handle_t pch;
864 struct pcmcia_mem_handle *pcmhp;
865 {
866 struct pcic_handle *h = (struct pcic_handle *) pch;
867 struct pcic_softc *sc = (struct pcic_softc *)(h->ph_parent);
868
869 sc->subregionmask |= pcmhp->mhandle;
870 }
871
872 static struct mem_map_index_st {
873 int sysmem_start_lsb;
874 int sysmem_start_msb;
875 int sysmem_stop_lsb;
876 int sysmem_stop_msb;
877 int cardmem_lsb;
878 int cardmem_msb;
879 int memenable;
880 } mem_map_index[] = {
881 {
882 PCIC_SYSMEM_ADDR0_START_LSB,
883 PCIC_SYSMEM_ADDR0_START_MSB,
884 PCIC_SYSMEM_ADDR0_STOP_LSB,
885 PCIC_SYSMEM_ADDR0_STOP_MSB,
886 PCIC_CARDMEM_ADDR0_LSB,
887 PCIC_CARDMEM_ADDR0_MSB,
888 PCIC_ADDRWIN_ENABLE_MEM0,
889 },
890 {
891 PCIC_SYSMEM_ADDR1_START_LSB,
892 PCIC_SYSMEM_ADDR1_START_MSB,
893 PCIC_SYSMEM_ADDR1_STOP_LSB,
894 PCIC_SYSMEM_ADDR1_STOP_MSB,
895 PCIC_CARDMEM_ADDR1_LSB,
896 PCIC_CARDMEM_ADDR1_MSB,
897 PCIC_ADDRWIN_ENABLE_MEM1,
898 },
899 {
900 PCIC_SYSMEM_ADDR2_START_LSB,
901 PCIC_SYSMEM_ADDR2_START_MSB,
902 PCIC_SYSMEM_ADDR2_STOP_LSB,
903 PCIC_SYSMEM_ADDR2_STOP_MSB,
904 PCIC_CARDMEM_ADDR2_LSB,
905 PCIC_CARDMEM_ADDR2_MSB,
906 PCIC_ADDRWIN_ENABLE_MEM2,
907 },
908 {
909 PCIC_SYSMEM_ADDR3_START_LSB,
910 PCIC_SYSMEM_ADDR3_START_MSB,
911 PCIC_SYSMEM_ADDR3_STOP_LSB,
912 PCIC_SYSMEM_ADDR3_STOP_MSB,
913 PCIC_CARDMEM_ADDR3_LSB,
914 PCIC_CARDMEM_ADDR3_MSB,
915 PCIC_ADDRWIN_ENABLE_MEM3,
916 },
917 {
918 PCIC_SYSMEM_ADDR4_START_LSB,
919 PCIC_SYSMEM_ADDR4_START_MSB,
920 PCIC_SYSMEM_ADDR4_STOP_LSB,
921 PCIC_SYSMEM_ADDR4_STOP_MSB,
922 PCIC_CARDMEM_ADDR4_LSB,
923 PCIC_CARDMEM_ADDR4_MSB,
924 PCIC_ADDRWIN_ENABLE_MEM4,
925 },
926 };
927
928 void
929 pcic_chip_do_mem_map(h, win)
930 struct pcic_handle *h;
931 int win;
932 {
933 int reg;
934
935 pcic_write(h, mem_map_index[win].sysmem_start_lsb,
936 (h->mem[win].addr >> PCIC_SYSMEM_ADDRX_SHIFT) & 0xff);
937 pcic_write(h, mem_map_index[win].sysmem_start_msb,
938 ((h->mem[win].addr >> (PCIC_SYSMEM_ADDRX_SHIFT + 8)) &
939 PCIC_SYSMEM_ADDRX_START_MSB_ADDR_MASK));
940
941 #if 0
942 /* XXX do I want 16 bit all the time? */
943 PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT;
944 #endif
945
946 pcic_write(h, mem_map_index[win].sysmem_stop_lsb,
947 ((h->mem[win].addr + h->mem[win].size) >>
948 PCIC_SYSMEM_ADDRX_SHIFT) & 0xff);
949 pcic_write(h, mem_map_index[win].sysmem_stop_msb,
950 (((h->mem[win].addr + h->mem[win].size) >>
951 (PCIC_SYSMEM_ADDRX_SHIFT + 8)) &
952 PCIC_SYSMEM_ADDRX_STOP_MSB_ADDR_MASK) |
953 PCIC_SYSMEM_ADDRX_STOP_MSB_WAIT2);
954
955 pcic_write(h, mem_map_index[win].cardmem_lsb,
956 (h->mem[win].offset >> PCIC_CARDMEM_ADDRX_SHIFT) & 0xff);
957 pcic_write(h, mem_map_index[win].cardmem_msb,
958 ((h->mem[win].offset >> (PCIC_CARDMEM_ADDRX_SHIFT + 8)) &
959 PCIC_CARDMEM_ADDRX_MSB_ADDR_MASK) |
960 ((h->mem[win].kind == PCMCIA_MEM_ATTR) ?
961 PCIC_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0));
962
963 reg = pcic_read(h, PCIC_ADDRWIN_ENABLE);
964 reg |= (mem_map_index[win].memenable | PCIC_ADDRWIN_ENABLE_MEMCS16);
965 pcic_write(h, PCIC_ADDRWIN_ENABLE, reg);
966
967 delay(100);
968
969 #ifdef PCICDEBUG
970 {
971 int r1, r2, r3, r4, r5, r6;
972
973 r1 = pcic_read(h, mem_map_index[win].sysmem_start_msb);
974 r2 = pcic_read(h, mem_map_index[win].sysmem_start_lsb);
975 r3 = pcic_read(h, mem_map_index[win].sysmem_stop_msb);
976 r4 = pcic_read(h, mem_map_index[win].sysmem_stop_lsb);
977 r5 = pcic_read(h, mem_map_index[win].cardmem_msb);
978 r6 = pcic_read(h, mem_map_index[win].cardmem_lsb);
979
980 DPRINTF(("pcic_chip_do_mem_map window %d: %02x%02x %02x%02x "
981 "%02x%02x\n", win, r1, r2, r3, r4, r5, r6));
982 }
983 #endif
984 }
985
986 int
987 pcic_chip_mem_map(pch, kind, card_addr, size, pcmhp, offsetp, windowp)
988 pcmcia_chipset_handle_t pch;
989 int kind;
990 bus_addr_t card_addr;
991 bus_size_t size;
992 struct pcmcia_mem_handle *pcmhp;
993 bus_addr_t *offsetp;
994 int *windowp;
995 {
996 struct pcic_handle *h = (struct pcic_handle *) pch;
997 bus_addr_t busaddr;
998 long card_offset;
999 int i, win;
1000 struct pcic_softc *sc = (struct pcic_softc *)(h->ph_parent);
1001
1002 win = -1;
1003 for (i = 0; i < (sizeof(mem_map_index) / sizeof(mem_map_index[0]));
1004 i++) {
1005 if ((h->memalloc & (1 << i)) == 0) {
1006 win = i;
1007 h->memalloc |= (1 << i);
1008 break;
1009 }
1010 }
1011
1012 if (win == -1)
1013 return (1);
1014
1015 *windowp = win;
1016
1017 /* XXX this is pretty gross */
1018
1019 if (sc->memt != pcmhp->memt)
1020 panic("pcic_chip_mem_map memt is bogus");
1021
1022 busaddr = pcmhp->addr;
1023
1024 /*
1025 * compute the address offset to the pcmcia address space for the
1026 * pcic. this is intentionally signed. The masks and shifts below
1027 * will cause TRT to happen in the pcic registers. Deal with making
1028 * sure the address is aligned, and return the alignment offset.
1029 */
1030
1031 *offsetp = card_addr % PCIC_MEM_ALIGN;
1032 card_addr -= *offsetp;
1033
1034 DPRINTF(("pcic_chip_mem_map window %d bus %lx+%lx+%lx at card addr "
1035 "%lx\n", win, (u_long) busaddr, (u_long) * offsetp, (u_long) size,
1036 (u_long) card_addr));
1037
1038 /*
1039 * include the offset in the size, and decrement size by one, since
1040 * the hw wants start/stop
1041 */
1042 size += *offsetp - 1;
1043
1044 card_offset = (((long) card_addr) - ((long) busaddr));
1045
1046 h->mem[win].addr = busaddr;
1047 h->mem[win].size = size;
1048 h->mem[win].offset = card_offset;
1049 h->mem[win].kind = kind;
1050
1051 pcic_chip_do_mem_map(h, win);
1052
1053 return (0);
1054 }
1055
1056 void
1057 pcic_chip_mem_unmap(pch, window)
1058 pcmcia_chipset_handle_t pch;
1059 int window;
1060 {
1061 struct pcic_handle *h = (struct pcic_handle *) pch;
1062 int reg;
1063
1064 if (window >= (sizeof(mem_map_index) / sizeof(mem_map_index[0])))
1065 panic("pcic_chip_mem_unmap: window out of range");
1066
1067 reg = pcic_read(h, PCIC_ADDRWIN_ENABLE);
1068 reg &= ~mem_map_index[window].memenable;
1069 pcic_write(h, PCIC_ADDRWIN_ENABLE, reg);
1070
1071 h->memalloc &= ~(1 << window);
1072 }
1073
1074 int
1075 pcic_chip_io_alloc(pch, start, size, align, pcihp)
1076 pcmcia_chipset_handle_t pch;
1077 bus_addr_t start;
1078 bus_size_t size;
1079 bus_size_t align;
1080 struct pcmcia_io_handle *pcihp;
1081 {
1082 struct pcic_handle *h = (struct pcic_handle *) pch;
1083 bus_space_tag_t iot;
1084 bus_space_handle_t ioh;
1085 bus_addr_t ioaddr;
1086 int flags = 0;
1087 struct pcic_softc *sc = (struct pcic_softc *)(h->ph_parent);
1088
1089 /*
1090 * Allocate some arbitrary I/O space.
1091 */
1092
1093 iot = sc->iot;
1094
1095 if (start) {
1096 ioaddr = start;
1097 if (bus_space_map(iot, start, size, 0, &ioh))
1098 return (1);
1099 DPRINTF(("pcic_chip_io_alloc map port %lx+%lx\n",
1100 (u_long) ioaddr, (u_long) size));
1101 } else {
1102 flags |= PCMCIA_IO_ALLOCATED;
1103 if (bus_space_alloc(iot, sc->iobase,
1104 sc->iobase + sc->iosize, size, align, 0, 0,
1105 &ioaddr, &ioh))
1106 return (1);
1107 DPRINTF(("pcic_chip_io_alloc alloc port %lx+%lx\n",
1108 (u_long) ioaddr, (u_long) size));
1109 }
1110
1111 pcihp->iot = iot;
1112 pcihp->ioh = ioh;
1113 pcihp->addr = ioaddr;
1114 pcihp->size = size;
1115 pcihp->flags = flags;
1116
1117 return (0);
1118 }
1119
1120 void
1121 pcic_chip_io_free(pch, pcihp)
1122 pcmcia_chipset_handle_t pch;
1123 struct pcmcia_io_handle *pcihp;
1124 {
1125 bus_space_tag_t iot = pcihp->iot;
1126 bus_space_handle_t ioh = pcihp->ioh;
1127 bus_size_t size = pcihp->size;
1128
1129 if (pcihp->flags & PCMCIA_IO_ALLOCATED)
1130 bus_space_free(iot, ioh, size);
1131 else
1132 bus_space_unmap(iot, ioh, size);
1133 }
1134
1135
1136 static struct io_map_index_st {
1137 int start_lsb;
1138 int start_msb;
1139 int stop_lsb;
1140 int stop_msb;
1141 int ioenable;
1142 int ioctlmask;
1143 int ioctlbits[3]; /* indexed by PCMCIA_WIDTH_* */
1144 } io_map_index[] = {
1145 {
1146 PCIC_IOADDR0_START_LSB,
1147 PCIC_IOADDR0_START_MSB,
1148 PCIC_IOADDR0_STOP_LSB,
1149 PCIC_IOADDR0_STOP_MSB,
1150 PCIC_ADDRWIN_ENABLE_IO0,
1151 PCIC_IOCTL_IO0_WAITSTATE | PCIC_IOCTL_IO0_ZEROWAIT |
1152 PCIC_IOCTL_IO0_IOCS16SRC_MASK | PCIC_IOCTL_IO0_DATASIZE_MASK,
1153 {
1154 PCIC_IOCTL_IO0_IOCS16SRC_CARD,
1155 PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE |
1156 PCIC_IOCTL_IO0_DATASIZE_8BIT,
1157 PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE |
1158 PCIC_IOCTL_IO0_DATASIZE_16BIT,
1159 },
1160 },
1161 {
1162 PCIC_IOADDR1_START_LSB,
1163 PCIC_IOADDR1_START_MSB,
1164 PCIC_IOADDR1_STOP_LSB,
1165 PCIC_IOADDR1_STOP_MSB,
1166 PCIC_ADDRWIN_ENABLE_IO1,
1167 PCIC_IOCTL_IO1_WAITSTATE | PCIC_IOCTL_IO1_ZEROWAIT |
1168 PCIC_IOCTL_IO1_IOCS16SRC_MASK | PCIC_IOCTL_IO1_DATASIZE_MASK,
1169 {
1170 PCIC_IOCTL_IO1_IOCS16SRC_CARD,
1171 PCIC_IOCTL_IO1_IOCS16SRC_DATASIZE |
1172 PCIC_IOCTL_IO1_DATASIZE_8BIT,
1173 PCIC_IOCTL_IO1_IOCS16SRC_DATASIZE |
1174 PCIC_IOCTL_IO1_DATASIZE_16BIT,
1175 },
1176 },
1177 };
1178
1179 void
1180 pcic_chip_do_io_map(h, win)
1181 struct pcic_handle *h;
1182 int win;
1183 {
1184 int reg;
1185
1186 DPRINTF(("pcic_chip_do_io_map win %d addr %lx size %lx width %d\n",
1187 win, (long) h->io[win].addr, (long) h->io[win].size,
1188 h->io[win].width * 8));
1189
1190 pcic_write(h, io_map_index[win].start_lsb, h->io[win].addr & 0xff);
1191 pcic_write(h, io_map_index[win].start_msb,
1192 (h->io[win].addr >> 8) & 0xff);
1193
1194 pcic_write(h, io_map_index[win].stop_lsb,
1195 (h->io[win].addr + h->io[win].size - 1) & 0xff);
1196 pcic_write(h, io_map_index[win].stop_msb,
1197 ((h->io[win].addr + h->io[win].size - 1) >> 8) & 0xff);
1198
1199 reg = pcic_read(h, PCIC_IOCTL);
1200 reg &= ~io_map_index[win].ioctlmask;
1201 reg |= io_map_index[win].ioctlbits[h->io[win].width];
1202 pcic_write(h, PCIC_IOCTL, reg);
1203
1204 reg = pcic_read(h, PCIC_ADDRWIN_ENABLE);
1205 reg |= io_map_index[win].ioenable;
1206 pcic_write(h, PCIC_ADDRWIN_ENABLE, reg);
1207 }
1208
1209 int
1210 pcic_chip_io_map(pch, width, offset, size, pcihp, windowp)
1211 pcmcia_chipset_handle_t pch;
1212 int width;
1213 bus_addr_t offset;
1214 bus_size_t size;
1215 struct pcmcia_io_handle *pcihp;
1216 int *windowp;
1217 {
1218 struct pcic_handle *h = (struct pcic_handle *) pch;
1219 bus_addr_t ioaddr = pcihp->addr + offset;
1220 int i, win;
1221 #ifdef PCICDEBUG
1222 static char *width_names[] = { "auto", "io8", "io16" };
1223 #endif
1224 struct pcic_softc *sc = (struct pcic_softc *)(h->ph_parent);
1225
1226 /* XXX Sanity check offset/size. */
1227
1228 win = -1;
1229 for (i = 0; i < (sizeof(io_map_index) / sizeof(io_map_index[0])); i++) {
1230 if ((h->ioalloc & (1 << i)) == 0) {
1231 win = i;
1232 h->ioalloc |= (1 << i);
1233 break;
1234 }
1235 }
1236
1237 if (win == -1)
1238 return (1);
1239
1240 *windowp = win;
1241
1242 /* XXX this is pretty gross */
1243
1244 if (sc->iot != pcihp->iot)
1245 panic("pcic_chip_io_map iot is bogus");
1246
1247 DPRINTF(("pcic_chip_io_map window %d %s port %lx+%lx\n",
1248 win, width_names[width], (u_long) ioaddr, (u_long) size));
1249
1250 /* XXX wtf is this doing here? */
1251
1252 printf(" port 0x%lx", (u_long) ioaddr);
1253 if (size > 1)
1254 printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1);
1255
1256 h->io[win].addr = ioaddr;
1257 h->io[win].size = size;
1258 h->io[win].width = width;
1259
1260 pcic_chip_do_io_map(h, win);
1261
1262 return (0);
1263 }
1264
1265 void
1266 pcic_chip_io_unmap(pch, window)
1267 pcmcia_chipset_handle_t pch;
1268 int window;
1269 {
1270 struct pcic_handle *h = (struct pcic_handle *) pch;
1271 int reg;
1272
1273 if (window >= (sizeof(io_map_index) / sizeof(io_map_index[0])))
1274 panic("pcic_chip_io_unmap: window out of range");
1275
1276 reg = pcic_read(h, PCIC_ADDRWIN_ENABLE);
1277 reg &= ~io_map_index[window].ioenable;
1278 pcic_write(h, PCIC_ADDRWIN_ENABLE, reg);
1279
1280 h->ioalloc &= ~(1 << window);
1281 }
1282
1283 static void
1284 pcic_wait_ready(h)
1285 struct pcic_handle *h;
1286 {
1287 int i;
1288
1289 for (i = 0; i < 10000; i++) {
1290 if (pcic_read(h, PCIC_IF_STATUS) & PCIC_IF_STATUS_READY)
1291 return;
1292 delay(500);
1293 #ifdef PCICDEBUG
1294 if (pcic_debug) {
1295 if ((i>5000) && (i%100 == 99))
1296 printf(".");
1297 }
1298 #endif
1299 }
1300
1301 #ifdef DIAGNOSTIC
1302 printf("pcic_wait_ready: ready never happened, status = %02x\n",
1303 pcic_read(h, PCIC_IF_STATUS));
1304 #endif
1305 }
1306
1307 void
1308 pcic_chip_socket_enable(pch)
1309 pcmcia_chipset_handle_t pch;
1310 {
1311 struct pcic_handle *h = (struct pcic_handle *) pch;
1312 int cardtype, reg, win;
1313
1314 /* this bit is mostly stolen from pcic_attach_card */
1315
1316 /* power down the socket to reset it, clear the card reset pin */
1317
1318 pcic_write(h, PCIC_PWRCTL, 0);
1319
1320 /*
1321 * wait 300ms until power fails (Tpf). Then, wait 100ms since
1322 * we are changing Vcc (Toff).
1323 */
1324 delay((300 + 100) * 1000);
1325
1326 #ifdef VADEM_POWER_HACK
1327 bus_space_write_1(sc->iot, sc->ioh, PCIC_REG_INDEX, 0x0e);
1328 bus_space_write_1(sc->iot, sc->ioh, PCIC_REG_INDEX, 0x37);
1329 printf("prcr = %02x\n", pcic_read(h, 0x02));
1330 printf("cvsr = %02x\n", pcic_read(h, 0x2f));
1331 printf("DANGER WILL ROBINSON! Changing voltage select!\n");
1332 pcic_write(h, 0x2f, pcic_read(h, 0x2f) & ~0x03);
1333 printf("cvsr = %02x\n", pcic_read(h, 0x2f));
1334 #endif
1335
1336 /* power up the socket */
1337
1338 pcic_write(h, PCIC_PWRCTL, PCIC_PWRCTL_DISABLE_RESETDRV
1339 | PCIC_PWRCTL_PWR_ENABLE);
1340
1341 /*
1342 * wait 100ms until power raise (Tpr) and 20ms to become
1343 * stable (Tsu(Vcc)).
1344 *
1345 * some machines require some more time to be settled
1346 * (300ms is added here).
1347 */
1348 delay((100 + 20 + 300) * 1000);
1349
1350 pcic_write(h, PCIC_PWRCTL, PCIC_PWRCTL_DISABLE_RESETDRV | PCIC_PWRCTL_OE
1351 | PCIC_PWRCTL_PWR_ENABLE);
1352 pcic_write(h, PCIC_INTR, 0);
1353
1354 /*
1355 * hold RESET at least 10us.
1356 */
1357 delay(10);
1358
1359 /* clear the reset flag */
1360
1361 pcic_write(h, PCIC_INTR, PCIC_INTR_RESET);
1362
1363 /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */
1364
1365 delay(20000);
1366
1367 /* wait for the chip to finish initializing */
1368
1369 #ifdef DIAGNOSTIC
1370 reg = pcic_read(h, PCIC_IF_STATUS);
1371 if (!(reg & PCIC_IF_STATUS_POWERACTIVE)) {
1372 printf("pcic_chip_socket_enable: status %x", reg);
1373 }
1374 #endif
1375
1376 pcic_wait_ready(h);
1377
1378 /* zero out the address windows */
1379
1380 pcic_write(h, PCIC_ADDRWIN_ENABLE, 0);
1381
1382 /* set the card type */
1383
1384 cardtype = pcmcia_card_gettype(h->pcmcia);
1385
1386 reg = pcic_read(h, PCIC_INTR);
1387 reg &= ~(PCIC_INTR_CARDTYPE_MASK | PCIC_INTR_IRQ_MASK | PCIC_INTR_ENABLE);
1388 reg |= ((cardtype == PCMCIA_IFTYPE_IO) ?
1389 PCIC_INTR_CARDTYPE_IO :
1390 PCIC_INTR_CARDTYPE_MEM);
1391 reg |= h->ih_irq;
1392 pcic_write(h, PCIC_INTR, reg);
1393
1394 DPRINTF(("%s: pcic_chip_socket_enable %02x cardtype %s %02x\n",
1395 h->ph_parent->dv_xname, h->sock,
1396 ((cardtype == PCMCIA_IFTYPE_IO) ? "io" : "mem"), reg));
1397
1398 /* reinstall all the memory and io mappings */
1399
1400 for (win = 0; win < PCIC_MEM_WINS; win++)
1401 if (h->memalloc & (1 << win))
1402 pcic_chip_do_mem_map(h, win);
1403
1404 for (win = 0; win < PCIC_IO_WINS; win++)
1405 if (h->ioalloc & (1 << win))
1406 pcic_chip_do_io_map(h, win);
1407 }
1408
1409 void
1410 pcic_chip_socket_disable(pch)
1411 pcmcia_chipset_handle_t pch;
1412 {
1413 struct pcic_handle *h = (struct pcic_handle *) pch;
1414
1415 DPRINTF(("pcic_chip_socket_disable\n"));
1416
1417 /* power down the socket */
1418
1419 pcic_write(h, PCIC_PWRCTL, 0);
1420
1421 /*
1422 * wait 300ms until power fails (Tpf).
1423 */
1424 delay(300 * 1000);
1425 }
1426
1427 static u_int8_t
1428 st_pcic_read(h, idx)
1429 struct pcic_handle *h;
1430 int idx;
1431 {
1432 if (idx != -1)
1433 bus_space_write_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_INDEX,
1434 h->sock + idx);
1435
1436 return bus_space_read_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_DATA);
1437 }
1438
1439 static void
1440 st_pcic_write(h, idx, data)
1441 struct pcic_handle *h;
1442 int idx;
1443 u_int8_t data;
1444 {
1445 if (idx != -1)
1446 bus_space_write_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_INDEX,
1447 h->sock + idx);
1448
1449 bus_space_write_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_DATA, data);
1450 }
1451