1 /* $NetBSD: mmeyepcmcia.c,v 1.25 2021/08/07 16:19:00 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Marc Horowitz.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * PCMCIA I/F for MMEYE
34 *
35 * T.Horiuichi
36 * Brains Corp. 1998.8.25
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: mmeyepcmcia.c,v 1.25 2021/08/07 16:19:00 thorpej Exp $");
41
42 #include <sys/types.h>
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/kernel.h>
46 #include <sys/proc.h>
47 #include <sys/device.h>
48 #include <sys/extent.h>
49 #include <sys/kmem.h>
50 #include <sys/kthread.h>
51 #include <sys/bus.h>
52
53 #include <uvm/uvm_extern.h>
54
55 #include <machine/autoconf.h>
56 #include <machine/intr.h>
57 #include <machine/mmeye.h>
58
59 #include <dev/pcmcia/pcmciareg.h>
60 #include <dev/pcmcia/pcmciavar.h>
61 #include <dev/pcmcia/pcmciachip.h>
62
63 #include <mmeye/dev/mmeyepcmciareg.h>
64
65 #include "locators.h"
66
67 #ifdef MMEYEPCMCIADEBUG
68 int mmeyepcmcia_debug = 1;
69 #define DPRINTF(arg) if (mmeyepcmcia_debug) printf arg;
70 #else
71 #define DPRINTF(arg)
72 #endif
73
74 struct mmeyepcmcia_event {
75 SIMPLEQ_ENTRY(mmeyepcmcia_event) pe_q;
76 int pe_type;
77 };
78
79 /* pe_type */
80 #define MMEYEPCMCIA_EVENT_INSERTION 0
81 #define MMEYEPCMCIA_EVENT_REMOVAL 1
82
83 struct mmeyepcmcia_handle {
84 struct mmeyepcmcia_softc *sc;
85 int flags;
86 int laststate;
87 int memalloc;
88 struct {
89 bus_addr_t addr;
90 bus_size_t size;
91 int kind;
92 bus_space_tag_t memt;
93 bus_space_handle_t memh;
94 } mem[MMEYEPCMCIA_MEM_WINS];
95 int ioalloc;
96 struct {
97 bus_addr_t addr;
98 bus_size_t size;
99 int width;
100 bus_space_tag_t iot;
101 bus_space_handle_t ioh;
102 } io[MMEYEPCMCIA_IO_WINS];
103 int ih_irq;
104 device_t pcmcia;
105
106 int shutdown;
107 lwp_t *event_thread;
108 SIMPLEQ_HEAD(, mmeyepcmcia_event) events;
109 };
110
111 #define MMEYEPCMCIA_FLAG_CARDP 0x0002
112 #define MMEYEPCMCIA_FLAG_SOCKETP 0x0001
113
114 #define MMEYEPCMCIA_LASTSTATE_PRESENT 0x0002
115 #define MMEYEPCMCIA_LASTSTATE_HALF 0x0001
116 #define MMEYEPCMCIA_LASTSTATE_EMPTY 0x0000
117
118 /*
119 * This is sort of arbitrary. It merely needs to be "enough". It can be
120 * overridden in the conf file, anyway.
121 */
122
123 #define MMEYEPCMCIA_MEM_PAGES 4
124
125 #define MMEYEPCMCIA_NSLOTS 1
126
127 #define MMEYEPCMCIA_WINS 5
128 #define MMEYEPCMCIA_IOWINS 2
129
130 struct mmeyepcmcia_softc {
131 device_t dev;
132
133 bus_space_tag_t iot; /* mmeyepcmcia registers */
134 bus_space_handle_t ioh;
135 int controller_irq;
136
137 bus_space_tag_t memt; /* PCMCIA spaces */
138 bus_space_handle_t memh;
139 int card_irq;
140
141 pcmcia_chipset_tag_t pct;
142
143 /* this needs to be large enough to hold PCIC_MEM_PAGES bits */
144 int subregionmask;
145 #define MMEYEPCMCIA_MAX_MEM_PAGES (8 * sizeof(int))
146
147 /*
148 * used by io/mem window mapping functions. These can actually overlap
149 * with another pcic, since the underlying extent mapper will deal
150 * with individual allocations. This is here to deal with the fact
151 * that different busses have different real widths (different pc
152 * hardware seems to use 10 or 12 bits for the I/O bus).
153 */
154 bus_addr_t iobase;
155 bus_addr_t iosize;
156
157 struct mmeyepcmcia_handle handle[MMEYEPCMCIA_NSLOTS];
158 };
159
160 static void mmeyepcmcia_attach_sockets(struct mmeyepcmcia_softc *);
161 static int mmeyepcmcia_intr(void *arg);
162
163 static inline int mmeyepcmcia_read(struct mmeyepcmcia_handle *, int);
164 static inline void mmeyepcmcia_write(struct mmeyepcmcia_handle *, int, int);
165
166 static int mmeyepcmcia_chip_mem_alloc(pcmcia_chipset_handle_t, bus_size_t,
167 struct pcmcia_mem_handle *);
168 static void mmeyepcmcia_chip_mem_free(pcmcia_chipset_handle_t,
169 struct pcmcia_mem_handle *);
170 static int mmeyepcmcia_chip_mem_map(pcmcia_chipset_handle_t, int,
171 bus_addr_t, bus_size_t, struct pcmcia_mem_handle *,
172 bus_size_t *, int *);
173 static void mmeyepcmcia_chip_mem_unmap(pcmcia_chipset_handle_t, int);
174
175 static int mmeyepcmcia_chip_io_alloc(pcmcia_chipset_handle_t, bus_addr_t,
176 bus_size_t, bus_size_t, struct pcmcia_io_handle *);
177 static void mmeyepcmcia_chip_io_free(pcmcia_chipset_handle_t,
178 struct pcmcia_io_handle *);
179 static int mmeyepcmcia_chip_io_map(pcmcia_chipset_handle_t, int,
180 bus_addr_t, bus_size_t, struct pcmcia_io_handle *, int *);
181 static void mmeyepcmcia_chip_io_unmap(pcmcia_chipset_handle_t, int);
182
183 static void mmeyepcmcia_chip_socket_enable(pcmcia_chipset_handle_t);
184 static void mmeyepcmcia_chip_socket_disable(pcmcia_chipset_handle_t);
185 static void mmeyepcmcia_chip_socket_settype(pcmcia_chipset_handle_t, int);
186
187 static inline int mmeyepcmcia_read(struct mmeyepcmcia_handle *, int);
188 static inline int
mmeyepcmcia_read(struct mmeyepcmcia_handle * h,int idx)189 mmeyepcmcia_read(struct mmeyepcmcia_handle *h, int idx)
190 {
191 static int prev_idx = 0;
192
193 if (idx == -1){
194 idx = prev_idx;
195 }
196 prev_idx = idx;
197 return bus_space_read_stream_2(h->sc->iot, h->sc->ioh, idx);
198 }
199
200 static inline void mmeyepcmcia_write(struct mmeyepcmcia_handle *, int, int);
201 static inline void
mmeyepcmcia_write(struct mmeyepcmcia_handle * h,int idx,int data)202 mmeyepcmcia_write(struct mmeyepcmcia_handle *h, int idx, int data)
203 {
204 static int prev_idx;
205 if (idx == -1){
206 idx = prev_idx;
207 }
208 prev_idx = idx;
209 bus_space_write_stream_2(h->sc->iot, h->sc->ioh, idx, (data));
210 }
211
212 static void *mmeyepcmcia_chip_intr_establish(pcmcia_chipset_handle_t,
213 struct pcmcia_function *, int, int (*) (void *), void *);
214 static void mmeyepcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t,
215 void *);
216 static void *mmeyepcmcia_chip_intr_establish(pcmcia_chipset_handle_t,
217 struct pcmcia_function *, int, int (*) (void *), void *);
218 static void mmeyepcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t,
219 void *);
220
221 static void mmeyepcmcia_attach_socket(struct mmeyepcmcia_handle *);
222 static void mmeyepcmcia_init_socket(struct mmeyepcmcia_handle *);
223 static int mmeyepcmcia_print (void *, const char *);
224 static int mmeyepcmcia_intr_socket(struct mmeyepcmcia_handle *);
225 static void mmeyepcmcia_attach_card(struct mmeyepcmcia_handle *);
226 static void mmeyepcmcia_detach_card(struct mmeyepcmcia_handle *, int);
227 static void mmeyepcmcia_deactivate_card(struct mmeyepcmcia_handle *);
228 static void mmeyepcmcia_event_thread(void *);
229 static void mmeyepcmcia_queue_event(struct mmeyepcmcia_handle *, int);
230
231 static int mmeyepcmcia_match(device_t, cfdata_t, void *);
232 static void mmeyepcmcia_attach(device_t, device_t, void *);
233
234 CFATTACH_DECL_NEW(mmeyepcmcia, sizeof(struct mmeyepcmcia_softc),
235 mmeyepcmcia_match, mmeyepcmcia_attach, NULL, NULL);
236
237 static struct pcmcia_chip_functions mmeyepcmcia_functions = {
238 mmeyepcmcia_chip_mem_alloc,
239 mmeyepcmcia_chip_mem_free,
240 mmeyepcmcia_chip_mem_map,
241 mmeyepcmcia_chip_mem_unmap,
242
243 mmeyepcmcia_chip_io_alloc,
244 mmeyepcmcia_chip_io_free,
245 mmeyepcmcia_chip_io_map,
246 mmeyepcmcia_chip_io_unmap,
247
248 mmeyepcmcia_chip_intr_establish,
249 mmeyepcmcia_chip_intr_disestablish,
250
251 mmeyepcmcia_chip_socket_enable,
252 mmeyepcmcia_chip_socket_disable,
253 mmeyepcmcia_chip_socket_settype,
254 NULL,
255 };
256
257 static int
mmeyepcmcia_match(device_t parent,cfdata_t match,void * aux)258 mmeyepcmcia_match(device_t parent, cfdata_t match, void *aux)
259 {
260 struct mainbus_attach_args *ma = aux;
261
262 if (strcmp(ma->ma_name, match->cf_name) != 0)
263 return 0;
264
265 /* Disallow wildcarded values. */
266 if (ma->ma_addr1 == MAINBUSCF_ADDR1_DEFAULT ||
267 ma->ma_addr2 == MAINBUSCF_ADDR2_DEFAULT ||
268 ma->ma_irq2 == MAINBUSCF_IRQ2_DEFAULT)
269 return 0;
270
271 return 1;
272 }
273
274 static void
mmeyepcmcia_attach(device_t parent,device_t self,void * aux)275 mmeyepcmcia_attach(device_t parent, device_t self, void *aux)
276 {
277 struct mainbus_attach_args *ma = aux;
278 struct mmeyepcmcia_softc *sc = device_private(self);
279
280 aprint_naive("\n");
281
282 sc->dev = self;
283 sc->subregionmask = 1; /* 1999.05.17 T.Horiuchi for R1.4 */
284
285 sc->pct = (pcmcia_chipset_tag_t)&mmeyepcmcia_functions;
286 sc->iot = 0;
287 /* Map i/o space. */
288 if (bus_space_map(sc->iot, ma->ma_addr1, MMEYEPCMCIA_IOSIZE,
289 0, &sc->ioh)) {
290 aprint_error(": can't map i/o space\n");
291 return;
292 }
293 sc->memt = 0;
294 sc->iobase = ma->ma_addr2;
295 sc->controller_irq = ma->ma_irq1;
296 sc->card_irq = ma->ma_irq2;
297
298 sc->handle[0].sc = sc;
299 sc->handle[0].flags = MMEYEPCMCIA_FLAG_SOCKETP;
300 sc->handle[0].laststate = MMEYEPCMCIA_LASTSTATE_EMPTY;
301
302 SIMPLEQ_INIT(&sc->handle[0].events);
303
304 if (sc->controller_irq != MAINBUSCF_IRQ1_DEFAULT) {
305 aprint_normal(": using MMTA irq %d\n", sc->controller_irq);
306 mmeye_intr_establish(sc->controller_irq,
307 IST_LEVEL, IPL_TTY, mmeyepcmcia_intr, sc);
308 } else
309 aprint_normal("\n");
310
311 mmeyepcmcia_attach_sockets(sc);
312 }
313
314 static void *
mmeyepcmcia_chip_intr_establish(pcmcia_chipset_handle_t pch,struct pcmcia_function * pf,int ipl,int (* fct)(void *),void * arg)315 mmeyepcmcia_chip_intr_establish(pcmcia_chipset_handle_t pch,
316 struct pcmcia_function *pf, int ipl, int (*fct)(void *), void *arg)
317 {
318 struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
319 int irq = h->sc->card_irq;
320 void *ih;
321
322 ih = mmeye_intr_establish(irq, IST_LEVEL, ipl, fct, arg);
323 h->ih_irq = irq;
324
325 printf("%s: card irq %d\n", device_xname(h->pcmcia), irq);
326
327 return ih;
328 }
329
330 static void
mmeyepcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t pch,void * ih)331 mmeyepcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t pch, void *ih)
332 {
333 struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
334
335 h->ih_irq = 0;
336 mmeye_intr_disestablish(ih);
337 }
338
339
340 static void
mmeyepcmcia_attach_sockets(struct mmeyepcmcia_softc * sc)341 mmeyepcmcia_attach_sockets(struct mmeyepcmcia_softc *sc)
342 {
343
344 mmeyepcmcia_attach_socket(&sc->handle[0]);
345 }
346
347 static void
mmeyepcmcia_attach_socket(struct mmeyepcmcia_handle * h)348 mmeyepcmcia_attach_socket(struct mmeyepcmcia_handle *h)
349 {
350 struct pcmciabus_attach_args paa;
351
352 /* initialize the rest of the handle */
353
354 h->shutdown = 0;
355 h->memalloc = 0;
356 h->ioalloc = 0;
357 h->ih_irq = 0;
358
359 /* now, config one pcmcia device per socket */
360
361 paa.paa_busname = "pcmcia";
362 paa.pct = (pcmcia_chipset_tag_t) h->sc->pct;
363 paa.pch = (pcmcia_chipset_handle_t) h;
364
365 h->pcmcia =
366 config_found(h->sc->dev, &paa, mmeyepcmcia_print, CFARGS_NONE);
367
368 /* if there's actually a pcmcia device attached, initialize the slot */
369
370 if (h->pcmcia)
371 mmeyepcmcia_init_socket(h);
372 }
373
374 static void
mmeyepcmcia_event_thread(void * arg)375 mmeyepcmcia_event_thread(void *arg)
376 {
377 struct mmeyepcmcia_handle *h = arg;
378 struct mmeyepcmcia_event *pe;
379 int s;
380
381 while (h->shutdown == 0) {
382 s = splhigh();
383 if ((pe = SIMPLEQ_FIRST(&h->events)) == NULL) {
384 splx(s);
385 (void) tsleep(&h->events, PWAIT, "mmeyepcmciaev", 0);
386 continue;
387 } else {
388 splx(s);
389 /* sleep .25s to be enqueued chatterling interrupts */
390 (void) tsleep((void *)mmeyepcmcia_event_thread, PWAIT,
391 "mmeyepcmciass", hz/4);
392 }
393 s = splhigh();
394 SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
395 splx(s);
396
397 switch (pe->pe_type) {
398 case MMEYEPCMCIA_EVENT_INSERTION:
399 s = splhigh();
400 while (1) {
401 struct mmeyepcmcia_event *pe1, *pe2;
402
403 if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL)
404 break;
405 if (pe1->pe_type != MMEYEPCMCIA_EVENT_REMOVAL)
406 break;
407 if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL)
408 break;
409 if (pe2->pe_type == MMEYEPCMCIA_EVENT_INSERTION) {
410 SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
411 kmem_free(pe1, sizeof(*pe1));
412 SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
413 kmem_free(pe2, sizeof(*pe2));
414 }
415 }
416 splx(s);
417
418 DPRINTF(("%s: insertion event\n", device_xname(h->sc->dev)));
419 mmeyepcmcia_attach_card(h);
420 break;
421
422 case MMEYEPCMCIA_EVENT_REMOVAL:
423 s = splhigh();
424 while (1) {
425 struct mmeyepcmcia_event *pe1, *pe2;
426
427 if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL)
428 break;
429 if (pe1->pe_type != MMEYEPCMCIA_EVENT_INSERTION)
430 break;
431 if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL)
432 break;
433 if (pe2->pe_type == MMEYEPCMCIA_EVENT_REMOVAL) {
434 SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
435 kmem_free(pe1, sizeof(*pe1));
436 SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
437 kmem_free(pe2, sizeof(*pe2));
438 }
439 }
440 splx(s);
441
442 DPRINTF(("%s: removal event\n", device_xname(h->sc->dev)));
443 mmeyepcmcia_detach_card(h, DETACH_FORCE);
444 break;
445
446 default:
447 panic("mmeyepcmcia_event_thread: unknown event %d",
448 pe->pe_type);
449 }
450 kmem_free(pe, sizeof(*pe));
451 }
452
453 h->event_thread = NULL;
454
455 /* In case parent is waiting for us to exit. */
456 wakeup(h->sc);
457
458 kthread_exit(0);
459 }
460
461 static void
mmeyepcmcia_init_socket(struct mmeyepcmcia_handle * h)462 mmeyepcmcia_init_socket(struct mmeyepcmcia_handle *h)
463 {
464 int reg;
465
466 /*
467 * queue creation of a kernel thread to handle insert/removal events.
468 */
469 #ifdef DIAGNOSTIC
470 if (h->event_thread != NULL)
471 panic("mmeyepcmcia_attach_socket: event thread");
472 #endif
473
474 /* if there's a card there, then attach it. */
475
476 reg = mmeyepcmcia_read(h, MMEYEPCMCIA_IF_STATUS);
477 reg &= ~MMEYEPCMCIA_IF_STATUS_BUSWIDTH; /* Set bus width to 16bit */
478
479 if ((reg & MMEYEPCMCIA_IF_STATUS_CARDDETECT_MASK) ==
480 MMEYEPCMCIA_IF_STATUS_CARDDETECT_PRESENT) {
481 int i;
482
483 /* reset the card */
484 mmeyepcmcia_write(h, MMEYEPCMCIA_IF_STATUS, reg|MMEYEPCMCIA_IF_STATUS_RESET);
485 delay(1000); /* wait 1000 uSec */
486 mmeyepcmcia_write(h, MMEYEPCMCIA_IF_STATUS,
487 reg & ~MMEYEPCMCIA_IF_STATUS_RESET);
488 for (i = 0; i < 10000; i++)
489 delay(1000); /* wait 1 mSec */
490
491 mmeyepcmcia_attach_card(h);
492 h->laststate = MMEYEPCMCIA_LASTSTATE_PRESENT;
493 } else {
494 h->laststate = MMEYEPCMCIA_LASTSTATE_EMPTY;
495 }
496
497 if (kthread_create(PRI_NONE, 0, NULL, mmeyepcmcia_event_thread, h,
498 &h->event_thread, "%s", device_xname(h->sc->dev))) {
499 printf("%s: unable to create event thread\n",
500 device_xname(h->sc->dev));
501 panic("mmeyepcmcia_create_event_thread");
502 }
503 }
504
505 static int
mmeyepcmcia_print(void * arg,const char * pnp)506 mmeyepcmcia_print(void *arg, const char *pnp)
507 {
508
509 if (pnp)
510 aprint_normal("pcmcia at %s", pnp);
511
512 return UNCONF;
513 }
514
515 static int
mmeyepcmcia_intr(void * arg)516 mmeyepcmcia_intr(void *arg)
517 {
518 struct mmeyepcmcia_softc *sc = arg;
519
520 DPRINTF(("%s: intr\n", device_xname(sc->dev)));
521
522 mmeyepcmcia_intr_socket(&sc->handle[0]);
523
524 return 0;
525 }
526
527 static int
mmeyepcmcia_intr_socket(struct mmeyepcmcia_handle * h)528 mmeyepcmcia_intr_socket(struct mmeyepcmcia_handle *h)
529 {
530 int cscreg;
531
532 cscreg = mmeyepcmcia_read(h, MMEYEPCMCIA_CSC);
533
534 cscreg &= (MMEYEPCMCIA_CSC_GPI |
535 MMEYEPCMCIA_CSC_CD |
536 MMEYEPCMCIA_CSC_READY |
537 MMEYEPCMCIA_CSC_BATTWARN |
538 MMEYEPCMCIA_CSC_BATTDEAD);
539
540 if (cscreg & MMEYEPCMCIA_CSC_GPI) {
541 DPRINTF(("%s: %02x GPI\n", device_xname(h->sc->dev), h->sock));
542 }
543 if (cscreg & MMEYEPCMCIA_CSC_CD) {
544 int statreg;
545
546 statreg = mmeyepcmcia_read(h, MMEYEPCMCIA_IF_STATUS);
547
548 DPRINTF(("%s: %02x CD %x\n", device_xname(h->sc->dev), h->sock,
549 statreg));
550
551 if ((statreg & MMEYEPCMCIA_IF_STATUS_CARDDETECT_MASK) ==
552 MMEYEPCMCIA_IF_STATUS_CARDDETECT_PRESENT) {
553 if (h->laststate != MMEYEPCMCIA_LASTSTATE_PRESENT) {
554 DPRINTF(("%s: enqueing INSERTION event\n",
555 device_xname(h->sc->dev)));
556 mmeyepcmcia_queue_event(h, MMEYEPCMCIA_EVENT_INSERTION);
557 }
558 h->laststate = MMEYEPCMCIA_LASTSTATE_PRESENT;
559 } else {
560 if (h->laststate == MMEYEPCMCIA_LASTSTATE_PRESENT) {
561 /* Deactivate the card now. */
562 DPRINTF(("%s: deactivating card\n",
563 device_xname(h->sc->dev)));
564 mmeyepcmcia_deactivate_card(h);
565
566 DPRINTF(("%s: enqueing REMOVAL event\n",
567 device_xname(h->sc->dev)));
568 mmeyepcmcia_queue_event(h, MMEYEPCMCIA_EVENT_REMOVAL);
569 }
570 h->laststate = ((statreg & MMEYEPCMCIA_IF_STATUS_CARDDETECT_MASK) == 0)
571 ? MMEYEPCMCIA_LASTSTATE_EMPTY : MMEYEPCMCIA_LASTSTATE_HALF;
572 }
573 }
574 if (cscreg & MMEYEPCMCIA_CSC_READY) {
575 DPRINTF(("%s: %02x READY\n", device_xname(h->sc->dev), h->sock));
576 /* shouldn't happen */
577 }
578 if (cscreg & MMEYEPCMCIA_CSC_BATTWARN) {
579 DPRINTF(("%s: %02x BATTWARN\n", device_xname(h->sc->dev), h->sock));
580 }
581 if (cscreg & MMEYEPCMCIA_CSC_BATTDEAD) {
582 DPRINTF(("%s: %02x BATTDEAD\n", device_xname(h->sc->dev), h->sock));
583 }
584 return cscreg ? 1 : 0;
585 }
586
587 static void
mmeyepcmcia_queue_event(struct mmeyepcmcia_handle * h,int event)588 mmeyepcmcia_queue_event(struct mmeyepcmcia_handle *h, int event)
589 {
590 struct mmeyepcmcia_event *pe;
591 int s;
592
593 pe = kmem_intr_alloc(sizeof(*pe), KM_NOSLEEP);
594 if (pe == NULL)
595 panic("mmeyepcmcia_queue_event: can't allocate event");
596
597 pe->pe_type = event;
598 s = splhigh();
599 SIMPLEQ_INSERT_TAIL(&h->events, pe, pe_q);
600 splx(s);
601 wakeup(&h->events);
602 }
603
604 static void
mmeyepcmcia_attach_card(struct mmeyepcmcia_handle * h)605 mmeyepcmcia_attach_card(struct mmeyepcmcia_handle *h)
606 {
607
608 if (!(h->flags & MMEYEPCMCIA_FLAG_CARDP)) {
609 /* call the MI attach function */
610 pcmcia_card_attach(h->pcmcia);
611
612 h->flags |= MMEYEPCMCIA_FLAG_CARDP;
613 } else {
614 DPRINTF(("mmeyepcmcia_attach_card: already attached"));
615 }
616 }
617
618 static void
mmeyepcmcia_detach_card(struct mmeyepcmcia_handle * h,int flags)619 mmeyepcmcia_detach_card(struct mmeyepcmcia_handle *h, int flags)
620 {
621
622 if (h->flags & MMEYEPCMCIA_FLAG_CARDP) {
623 h->flags &= ~MMEYEPCMCIA_FLAG_CARDP;
624
625 /* call the MI detach function */
626 pcmcia_card_detach(h->pcmcia, flags);
627 } else {
628 DPRINTF(("mmeyepcmcia_detach_card: already detached"));
629 }
630 }
631
632 static void
mmeyepcmcia_deactivate_card(struct mmeyepcmcia_handle * h)633 mmeyepcmcia_deactivate_card(struct mmeyepcmcia_handle *h)
634 {
635
636 /* call the MI deactivate function */
637 pcmcia_card_deactivate(h->pcmcia);
638
639 /* Power down and reset XXX notyet */
640 }
641
642 static int
mmeyepcmcia_chip_mem_alloc(pcmcia_chipset_handle_t pch,bus_size_t size,struct pcmcia_mem_handle * pcmhp)643 mmeyepcmcia_chip_mem_alloc(pcmcia_chipset_handle_t pch, bus_size_t size,
644 struct pcmcia_mem_handle *pcmhp)
645 {
646 struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
647 bus_addr_t addr;
648 bus_size_t sizepg;
649 int i, mask, mhandle;
650
651 /* out of sc->memh, allocate as many pages as necessary */
652 #define MMEYEPCMCIA_MEM_ALIGN MMEYEPCMCIA_MEM_PAGESIZE
653 /* convert size to PCIC pages */
654 sizepg = (size + (MMEYEPCMCIA_MEM_ALIGN - 1)) / MMEYEPCMCIA_MEM_ALIGN;
655 if (sizepg > MMEYEPCMCIA_MAX_MEM_PAGES)
656 return 1;
657
658 mask = (1 << sizepg) - 1;
659
660 addr = 0; /* XXX gcc -Wuninitialized */
661 mhandle = 0; /* XXX gcc -Wuninitialized */
662
663 for (i = 0; i <= MMEYEPCMCIA_MAX_MEM_PAGES - sizepg; i++) {
664 if ((h->sc->subregionmask & (mask << i)) == (mask << i)) {
665 mhandle = mask << i;
666 addr = h->sc->iobase + (i * MMEYEPCMCIA_MEM_PAGESIZE);
667 h->sc->subregionmask &= ~(mhandle);
668 pcmhp->memt = h->sc->memt;
669 pcmhp->memh = 0;
670 pcmhp->addr = addr;
671 pcmhp->size = size;
672 pcmhp->mhandle = mhandle;
673 pcmhp->realsize = sizepg * MMEYEPCMCIA_MEM_PAGESIZE;
674 return 0;
675 }
676 }
677
678 return 1;
679 }
680
681 static void
mmeyepcmcia_chip_mem_free(pcmcia_chipset_handle_t pch,struct pcmcia_mem_handle * pcmhp)682 mmeyepcmcia_chip_mem_free(pcmcia_chipset_handle_t pch,
683 struct pcmcia_mem_handle *pcmhp)
684 {
685 struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
686
687 h->sc->subregionmask |= pcmhp->mhandle;
688 }
689
690 static int
mmeyepcmcia_chip_mem_map(pcmcia_chipset_handle_t pch,int kind,bus_addr_t card_addr,bus_size_t size,struct pcmcia_mem_handle * pcmhp,bus_size_t * offsetp,int * windowp)691 mmeyepcmcia_chip_mem_map(pcmcia_chipset_handle_t pch, int kind,
692 bus_addr_t card_addr, bus_size_t size, struct pcmcia_mem_handle *pcmhp,
693 bus_size_t *offsetp, int *windowp)
694 {
695 struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
696 bus_addr_t busaddr;
697 int i, win;
698
699 win = -1;
700 for (i = 0; i < MMEYEPCMCIA_WINS; i++) {
701 if ((h->memalloc & (1 << i)) == 0) {
702 win = i;
703 h->memalloc |= (1 << i);
704 break;
705 }
706 }
707
708 if (win == -1)
709 return 1;
710
711 *windowp = win;
712
713 /* XXX this is pretty gross */
714
715 busaddr = pcmhp->addr + card_addr;
716
717 #if defined(SH7750R)
718 switch (kind) {
719 case PCMCIA_MEM_ATTR:
720 case PCMCIA_MEM_ATTR | PCMCIA_WIDTH_MEM16:
721 pcmhp->memt = SH3_BUS_SPACE_PCMCIA_ATT;
722 break;
723
724 case PCMCIA_MEM_ATTR | PCMCIA_WIDTH_MEM8:
725 pcmhp->memt = SH3_BUS_SPACE_PCMCIA_ATT8;
726 break;
727
728 case PCMCIA_MEM_COMMON:
729 case PCMCIA_MEM_COMMON | PCMCIA_WIDTH_MEM16:
730 pcmhp->memt = SH3_BUS_SPACE_PCMCIA_MEM;
731 break;
732
733 case PCMCIA_MEM_COMMON | PCMCIA_WIDTH_MEM8:
734 pcmhp->memt = SH3_BUS_SPACE_PCMCIA_MEM8;
735 break;
736
737 default:
738 panic("mmeyepcmcia_chip_mem_map kind is bogus: 0x%x", kind);
739 }
740 #else
741 if (!bus_space_is_equal(h->sc->memt, pcmhp->memt))
742 panic("mmeyepcmcia_chip_mem_map memt is bogus");
743 if (kind != PCMCIA_MEM_ATTR)
744 busaddr += MMEYEPCMCIA_ATTRMEM_SIZE;
745 #endif
746 if (bus_space_map(pcmhp->memt, busaddr, pcmhp->size, 0, &pcmhp->memh))
747 return 1;
748
749 /*
750 * compute the address offset to the pcmcia address space for the
751 * pcic. this is intentionally signed. The masks and shifts below
752 * will cause TRT to happen in the pcic registers. Deal with making
753 * sure the address is aligned, and return the alignment offset.
754 */
755
756 *offsetp = 0;
757
758 DPRINTF(("mmeyepcmcia_chip_mem_map window %d bus %lx+%lx+%lx at card addr "
759 "%lx\n", win, (u_long) busaddr, (u_long) * offsetp, (u_long) size,
760 (u_long) card_addr));
761
762 /*
763 * include the offset in the size, and decrement size by one, since
764 * the hw wants start/stop
765 */
766 h->mem[win].addr = busaddr;
767 h->mem[win].size = size - 1;
768 h->mem[win].kind = kind;
769 h->mem[win].memt = pcmhp->memt;
770 h->mem[win].memh = pcmhp->memh;
771
772 return 0;
773 }
774
775 static void
mmeyepcmcia_chip_mem_unmap(pcmcia_chipset_handle_t pch,int window)776 mmeyepcmcia_chip_mem_unmap(pcmcia_chipset_handle_t pch, int window)
777 {
778 struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
779
780 if (window >= MMEYEPCMCIA_WINS)
781 panic("mmeyepcmcia_chip_mem_unmap: window out of range");
782
783 h->memalloc &= ~(1 << window);
784
785 bus_space_unmap(h->mem[window].memt, h->mem[window].memh,
786 h->mem[window].size);
787 }
788
789 static int
mmeyepcmcia_chip_io_alloc(pcmcia_chipset_handle_t pch,bus_addr_t start,bus_size_t size,bus_size_t align,struct pcmcia_io_handle * pcihp)790 mmeyepcmcia_chip_io_alloc(pcmcia_chipset_handle_t pch, bus_addr_t start,
791 bus_size_t size, bus_size_t align, struct pcmcia_io_handle *pcihp)
792 {
793 struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
794
795 /*
796 * Allocate some arbitrary I/O space.
797 */
798
799 DPRINTF(("mmeyepcmcia_chip_io_alloc alloc port %lx+%lx\n",
800 (u_long) ioaddr, (u_long) size));
801
802 pcihp->iot = h->sc->memt;
803 pcihp->ioh = 0;
804 pcihp->addr = h->sc->iobase + start;
805 pcihp->size = size;
806
807 return 0;
808 }
809
810 static void
mmeyepcmcia_chip_io_free(pcmcia_chipset_handle_t pch,struct pcmcia_io_handle * pcihp)811 mmeyepcmcia_chip_io_free(pcmcia_chipset_handle_t pch,
812 struct pcmcia_io_handle *pcihp)
813 {
814 }
815
816 static int
mmeyepcmcia_chip_io_map(pcmcia_chipset_handle_t pch,int width,bus_addr_t offset,bus_size_t size,struct pcmcia_io_handle * pcihp,int * windowp)817 mmeyepcmcia_chip_io_map(pcmcia_chipset_handle_t pch, int width,
818 bus_addr_t offset, bus_size_t size, struct pcmcia_io_handle *pcihp,
819 int *windowp)
820 {
821 struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
822 bus_addr_t busaddr;
823 int i, win;
824 #ifdef MMEYEPCMCIADEBUG
825 static char *width_names[] = { "auto", "io8", "io16" };
826 #endif
827
828 /* I/O width is hardwired to 16bit mode on mmeye. */
829 width = PCMCIA_WIDTH_IO16;
830
831 win = -1;
832 for (i = 0; i < MMEYEPCMCIA_IOWINS; i++) {
833 if ((h->ioalloc & (1 << i)) == 0) {
834 win = i;
835 h->ioalloc |= (1 << i);
836 break;
837 }
838 }
839
840 if (win == -1)
841 return 1;
842
843 *windowp = win;
844
845 /* XXX this is pretty gross */
846
847 busaddr = pcihp->addr + offset;
848
849 #if defined(SH7750R)
850 switch (width) {
851 case PCMCIA_WIDTH_IO8:
852 pcihp->iot = SH3_BUS_SPACE_PCMCIA_IO8;
853 break;
854
855 case PCMCIA_WIDTH_IO16:
856 pcihp->iot = SH3_BUS_SPACE_PCMCIA_IO;
857 break;
858
859 case PCMCIA_WIDTH_AUTO:
860 default:
861 panic("mmeyepcmcia_chip_io_map width is bogus: 0x%x", width);
862 }
863 #else
864 if (!bus_space_is_equal(h->sc->iot, pcihp->iot))
865 panic("mmeyepcmcia_chip_io_map iot is bogus");
866 busaddr += MMEYEPCMCIA_ATTRMEM_SIZE;
867 #endif
868 if (bus_space_map(pcihp->iot, busaddr, pcihp->size, 0, &pcihp->ioh))
869 return 1;
870
871 DPRINTF(("mmeyepcmcia_chip_io_map window %d %s port %lx+%lx\n",
872 win, width_names[width], (u_long) offset, (u_long) size));
873
874 /* XXX wtf is this doing here? */
875
876 h->io[win].addr = busaddr;
877 h->io[win].size = size;
878 h->io[win].width = width;
879 h->io[win].iot = pcihp->iot;
880 h->io[win].ioh = pcihp->ioh;
881
882 return 0;
883 }
884
885 static void
mmeyepcmcia_chip_io_unmap(pcmcia_chipset_handle_t pch,int window)886 mmeyepcmcia_chip_io_unmap(pcmcia_chipset_handle_t pch, int window)
887 {
888 struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
889
890 if (window >= MMEYEPCMCIA_IOWINS)
891 panic("mmeyepcmcia_chip_io_unmap: window out of range");
892
893 h->ioalloc &= ~(1 << window);
894
895 bus_space_unmap(h->io[window].iot, h->io[window].ioh,
896 h->io[window].size);
897 }
898
899 static void
mmeyepcmcia_chip_socket_enable(pcmcia_chipset_handle_t pch)900 mmeyepcmcia_chip_socket_enable(pcmcia_chipset_handle_t pch)
901 {
902 }
903
904 static void
mmeyepcmcia_chip_socket_disable(pcmcia_chipset_handle_t pch)905 mmeyepcmcia_chip_socket_disable(pcmcia_chipset_handle_t pch)
906 {
907 }
908
909 static void
mmeyepcmcia_chip_socket_settype(pcmcia_chipset_handle_t pch,int type)910 mmeyepcmcia_chip_socket_settype(pcmcia_chipset_handle_t pch, int type)
911 {
912 }
913