xref: /netbsd/sys/arch/mmeye/dev/mmeyepcmcia.c (revision c4a72b64)
1 /*	$NetBSD: mmeyepcmcia.c,v 1.5 2002/10/02 05:39:05 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/types.h>
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/proc.h>
44 #include <sys/device.h>
45 #include <sys/extent.h>
46 #include <sys/malloc.h>
47 #include <sys/kthread.h>
48 
49 #include <uvm/uvm_extern.h>
50 
51 #include <machine/autoconf.h>
52 #include <machine/bus.h>
53 #include <machine/intr.h>
54 #include <machine/mmeye.h>
55 
56 #include <dev/pcmcia/pcmciareg.h>
57 #include <dev/pcmcia/pcmciavar.h>
58 #include <dev/pcmcia/pcmciachip.h>
59 
60 #include <mmeye/dev/mmeyepcmciareg.h>
61 
62 #ifdef MMEYEPCMCIADEBUG
63 int	mmeyepcmcia_debug = 1;
64 #define	DPRINTF(arg) if (mmeyepcmcia_debug) printf arg;
65 #else
66 #define	DPRINTF(arg)
67 #endif
68 
69 struct mmeyepcmcia_event {
70 	SIMPLEQ_ENTRY(mmeyepcmcia_event) pe_q;
71 	int pe_type;
72 };
73 
74 /* pe_type */
75 #define MMEYEPCMCIA_EVENT_INSERTION	0
76 #define MMEYEPCMCIA_EVENT_REMOVAL	1
77 
78 struct mmeyepcmcia_handle {
79 	struct mmeyepcmcia_softc *sc;
80 	int	flags;
81 	int	laststate;
82 	int	memalloc;
83 	struct {
84 		bus_addr_t	addr;
85 		bus_size_t	size;
86 		long		offset;
87 		int		kind;
88 	} mem[MMEYEPCMCIA_MEM_WINS];
89 	int	ioalloc;
90 	struct {
91 		bus_addr_t	addr;
92 		bus_size_t	size;
93 		int		width;
94 	} io[MMEYEPCMCIA_IO_WINS];
95 	int	ih_irq;
96 	struct device *pcmcia;
97 
98 	int	shutdown;
99 	struct proc *event_thread;
100 	SIMPLEQ_HEAD(, mmeyepcmcia_event) events;
101 };
102 
103 /* These four lines are MMTA specific */
104 #define MMEYEPCMCIA_IRQ1 10
105 #define MMEYEPCMCIA_IRQ2 9
106 #define MMEYEPCMCIA_SLOT1_ADDR 0xb8000000
107 #define MMEYEPCMCIA_SLOT2_ADDR 0xb9000000
108 
109 #define	MMEYEPCMCIA_FLAG_SOCKETP		0x0001
110 #define	MMEYEPCMCIA_FLAG_CARDP		0x0002
111 
112 #define MMEYEPCMCIA_LASTSTATE_PRESENT	0x0002
113 #define MMEYEPCMCIA_LASTSTATE_HALF		0x0001
114 #define MMEYEPCMCIA_LASTSTATE_EMPTY		0x0000
115 
116 /*
117  * This is sort of arbitrary.  It merely needs to be "enough". It can be
118  * overridden in the conf file, anyway.
119  */
120 
121 #define	MMEYEPCMCIA_MEM_PAGES	4
122 #define	MMEYEPCMCIA_MEMSIZE	MMEYEPCMCIA_MEM_PAGES*MMEYEPCMCIA_MEM_PAGESIZE
123 
124 #define	MMEYEPCMCIA_NSLOTS	1
125 
126 #define MMEYEPCMCIA_WINS	5
127 #define MMEYEPCMCIA_IOWINS	2
128 
129 struct mmeyepcmcia_softc {
130 	struct device dev;
131 
132 	bus_space_tag_t memt;
133 	bus_space_handle_t memh;
134 	bus_space_tag_t iot;
135 	bus_space_handle_t ioh;
136 
137 	/* XXX isa_chipset_tag_t, pci_chipset_tag_t, etc. */
138 	void	*intr_est;
139 
140 	pcmcia_chipset_tag_t pct;
141 
142 	/* this needs to be large enough to hold PCIC_MEM_PAGES bits */
143 	int	subregionmask;
144 #define MMEYEPCMCIA_MAX_MEM_PAGES (8 * sizeof(int))
145 
146 	/* used by memory window mapping functions */
147 	bus_addr_t membase;
148 
149 	/*
150 	 * used by io window mapping functions.  These can actually overlap
151 	 * with another pcic, since the underlying extent mapper will deal
152 	 * with individual allocations.  This is here to deal with the fact
153 	 * that different busses have different real widths (different pc
154 	 * hardware seems to use 10 or 12 bits for the I/O bus).
155 	 */
156 	bus_addr_t iobase;
157 	bus_addr_t iosize;
158 
159 	int	controller_irq;
160 	int	card_irq;
161 
162 	void	*ih;
163 
164 	struct mmeyepcmcia_handle handle[MMEYEPCMCIA_NSLOTS];
165 };
166 
167 void	mmeyepcmcia_attach_sockets(struct mmeyepcmcia_softc *);
168 int	mmeyepcmcia_intr(void *arg);
169 
170 static inline int mmeyepcmcia_read(struct mmeyepcmcia_handle *, int);
171 static inline void mmeyepcmcia_write(struct mmeyepcmcia_handle *, int, int);
172 
173 int	mmeyepcmcia_chip_mem_alloc(pcmcia_chipset_handle_t, bus_size_t,
174 	    struct pcmcia_mem_handle *);
175 void	mmeyepcmcia_chip_mem_free(pcmcia_chipset_handle_t,
176 	    struct pcmcia_mem_handle *);
177 int	mmeyepcmcia_chip_mem_map(pcmcia_chipset_handle_t, int, bus_addr_t,
178 	    bus_size_t, struct pcmcia_mem_handle *, bus_size_t *, int *);
179 void	mmeyepcmcia_chip_mem_unmap(pcmcia_chipset_handle_t, int);
180 
181 int	mmeyepcmcia_chip_io_alloc(pcmcia_chipset_handle_t, bus_addr_t,
182 	    bus_size_t, bus_size_t, struct pcmcia_io_handle *);
183 void	mmeyepcmcia_chip_io_free(pcmcia_chipset_handle_t,
184 	    struct pcmcia_io_handle *);
185 int	mmeyepcmcia_chip_io_map(pcmcia_chipset_handle_t, int, bus_addr_t,
186 	    bus_size_t, struct pcmcia_io_handle *, int *);
187 void	mmeyepcmcia_chip_io_unmap(pcmcia_chipset_handle_t, int);
188 
189 void	mmeyepcmcia_chip_socket_enable(pcmcia_chipset_handle_t);
190 void	mmeyepcmcia_chip_socket_disable(pcmcia_chipset_handle_t);
191 
192 static __inline int mmeyepcmcia_read(struct mmeyepcmcia_handle *, int);
193 static __inline int
194 mmeyepcmcia_read(struct mmeyepcmcia_handle *h, int idx)
195 {
196 	static int prev_idx = 0;
197 
198 	if (idx == -1){
199 		idx = prev_idx;
200 	}
201 	prev_idx = idx;
202 	return (bus_space_read_stream_2(h->sc->iot, h->sc->ioh, idx));
203 }
204 
205 static __inline void mmeyepcmcia_write(struct mmeyepcmcia_handle *, int, int);
206 static __inline void
207 mmeyepcmcia_write(struct mmeyepcmcia_handle *h, int idx, int data)
208 {
209 	static int prev_idx;
210 	if (idx == -1){
211 		idx = prev_idx;
212 	}
213 	prev_idx = idx;
214 	bus_space_write_stream_2(h->sc->iot, h->sc->ioh, idx, (data));
215 }
216 
217 void	*mmeyepcmcia_chip_intr_establish(pcmcia_chipset_handle_t,
218 	    struct pcmcia_function *, int, int (*) (void *), void *);
219 void	mmeyepcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t, void *);
220 void	*mmeyepcmcia_chip_intr_establish(pcmcia_chipset_handle_t,
221 	    struct pcmcia_function *, int, int (*) (void *), void *);
222 void	mmeyepcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t,
223 	    void *);
224 
225 void	mmeyepcmcia_attach_socket(struct mmeyepcmcia_handle *);
226 void	mmeyepcmcia_init_socket(struct mmeyepcmcia_handle *);
227 int	mmeyepcmcia_submatch(struct device *, struct cfdata *, void *);
228 int	mmeyepcmcia_print (void *, const char *);
229 int	mmeyepcmcia_intr_socket(struct mmeyepcmcia_handle *);
230 void	mmeyepcmcia_attach_card(struct mmeyepcmcia_handle *);
231 void	mmeyepcmcia_detach_card(struct mmeyepcmcia_handle *, int);
232 void	mmeyepcmcia_deactivate_card(struct mmeyepcmcia_handle *);
233 void	mmeyepcmcia_create_event_thread(void *);
234 void	mmeyepcmcia_event_thread(void *);
235 void	mmeyepcmcia_queue_event(struct mmeyepcmcia_handle *, int);
236 
237 int	mmeyepcmcia_match(struct device *, struct cfdata *, void *);
238 void	mmeyepcmcia_attach(struct device *, struct device *, void *);
239 
240 CFATTACH_DECL(mmeyepcmcia, sizeof(struct mmeyepcmcia_softc),
241     mmeyepcmcia_match, mmeyepcmcia_attach, NULL, NULL);
242 
243 static struct pcmcia_chip_functions mmeyepcmcia_functions = {
244 	mmeyepcmcia_chip_mem_alloc,
245 	mmeyepcmcia_chip_mem_free,
246 	mmeyepcmcia_chip_mem_map,
247 	mmeyepcmcia_chip_mem_unmap,
248 
249 	mmeyepcmcia_chip_io_alloc,
250 	mmeyepcmcia_chip_io_free,
251 	mmeyepcmcia_chip_io_map,
252 	mmeyepcmcia_chip_io_unmap,
253 
254 	mmeyepcmcia_chip_intr_establish,
255 	mmeyepcmcia_chip_intr_disestablish,
256 
257 	mmeyepcmcia_chip_socket_enable,
258 	mmeyepcmcia_chip_socket_disable,
259 };
260 
261 int
262 mmeyepcmcia_match(struct device *parent, struct cfdata *match, void *aux)
263 {
264 	extern struct cfdriver mmeyepcmcia_cd;
265 	struct mainbus_attach_args *ma = aux;
266 
267 	if (strcmp(ma->ma_name, mmeyepcmcia_cd.cd_name) == 0)
268 		return (1);
269 
270 	return (0);
271 }
272 
273 void
274 mmeyepcmcia_attach(struct device *parent, struct device *self, void *aux)
275 {
276 	struct mainbus_attach_args *ma = aux;
277 	struct mmeyepcmcia_softc *sc = (void *)self;
278 
279 	sc->subregionmask = 1;	/* 1999.05.17 T.Horiuchi for R1.4 */
280 
281 	sc->pct = (pcmcia_chipset_tag_t)&mmeyepcmcia_functions;
282 	sc->iot = 0;
283 	sc->ioh = ma->ma_addr1;
284 	sc->memt = 0;
285 	sc->memh = ma->ma_addr2;
286 	sc->controller_irq = ma->ma_irq1;
287 	sc->card_irq = ma->ma_irq2;
288 
289 	printf(": using MMTA irq %d\n", sc->controller_irq);
290 
291 	sc->handle[0].sc = sc;
292 	sc->handle[0].flags = MMEYEPCMCIA_FLAG_SOCKETP;
293 	sc->handle[0].laststate = MMEYEPCMCIA_LASTSTATE_EMPTY;
294 
295 	SIMPLEQ_INIT(&sc->handle[0].events);
296 
297 	mmeye_intr_establish(sc->controller_irq,
298 	    IST_LEVEL, IPL_TTY, mmeyepcmcia_intr, sc);
299 
300 	mmeyepcmcia_attach_sockets(sc);
301 }
302 
303 void *
304 mmeyepcmcia_chip_intr_establish(pch, pf, ipl, fct, arg)
305 	pcmcia_chipset_handle_t pch;
306 	struct pcmcia_function *pf;
307 	int ipl;
308 	int (*fct)(void *);
309 	void *arg;
310 {
311 	struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
312 	int irq = h->sc->card_irq;
313 	void *ih;
314 
315 	ih = mmeye_intr_establish(irq, IST_LEVEL, ipl, fct, arg);
316 	h->ih_irq = irq;
317 
318 	printf("%s: card irq %d\n", h->pcmcia->dv_xname, irq);
319 
320 	return (ih);
321 }
322 
323 void
324 mmeyepcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t pch, void *ih)
325 {
326 	struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
327 
328 	h->ih_irq = 0;
329 	mmeye_intr_disestablish(ih);
330 }
331 
332 
333 void
334 mmeyepcmcia_attach_sockets(struct mmeyepcmcia_softc *sc)
335 {
336 
337 	mmeyepcmcia_attach_socket(&sc->handle[0]);
338 }
339 
340 void
341 mmeyepcmcia_attach_socket(struct mmeyepcmcia_handle *h)
342 {
343 	struct pcmciabus_attach_args paa;
344 
345 	/* initialize the rest of the handle */
346 
347 	h->shutdown = 0;
348 	h->memalloc = 0;
349 	h->ioalloc = 0;
350 	h->ih_irq = 0;
351 
352 	/* now, config one pcmcia device per socket */
353 
354 	paa.paa_busname = "pcmcia";
355 	paa.pct = (pcmcia_chipset_tag_t) h->sc->pct;
356 	paa.pch = (pcmcia_chipset_handle_t) h;
357 	paa.iobase = h->sc->iobase;
358 	paa.iosize = h->sc->iosize;
359 
360 	h->pcmcia = config_found_sm(&h->sc->dev, &paa, mmeyepcmcia_print,
361 	    mmeyepcmcia_submatch);
362 
363 	/* if there's actually a pcmcia device attached, initialize the slot */
364 
365 	if (h->pcmcia)
366 		mmeyepcmcia_init_socket(h);
367 }
368 
369 void
370 mmeyepcmcia_create_event_thread(void *arg)
371 {
372 	struct mmeyepcmcia_handle *h = arg;
373 
374 	if (kthread_create1(mmeyepcmcia_event_thread, h, &h->event_thread,
375 	    "%s", h->sc->dev.dv_xname)) {
376 		printf("%s: unable to create event thread\n",
377 		    h->sc->dev.dv_xname);
378 		panic("mmeyepcmcia_create_event_thread");
379 	}
380 }
381 
382 void
383 mmeyepcmcia_event_thread(void *arg)
384 {
385 	struct mmeyepcmcia_handle *h = arg;
386 	struct mmeyepcmcia_event *pe;
387 	int s;
388 
389 	while (h->shutdown == 0) {
390 		s = splhigh();
391 		if ((pe = SIMPLEQ_FIRST(&h->events)) == NULL) {
392 			splx(s);
393 			(void) tsleep(&h->events, PWAIT, "mmeyepcmciaev", 0);
394 			continue;
395 		} else {
396 			splx(s);
397 			/* sleep .25s to be enqueued chatterling interrupts */
398 			(void) tsleep((caddr_t)mmeyepcmcia_event_thread, PWAIT,
399 			    "mmeyepcmciass", hz/4);
400 		}
401 		s = splhigh();
402 		SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
403 		splx(s);
404 
405 		switch (pe->pe_type) {
406 		case MMEYEPCMCIA_EVENT_INSERTION:
407 			s = splhigh();
408 			while (1) {
409 				struct mmeyepcmcia_event *pe1, *pe2;
410 
411 				if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL)
412 					break;
413 				if (pe1->pe_type != MMEYEPCMCIA_EVENT_REMOVAL)
414 					break;
415 				if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL)
416 					break;
417 				if (pe2->pe_type == MMEYEPCMCIA_EVENT_INSERTION) {
418 					SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
419 					free(pe1, M_TEMP);
420 					SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
421 					free(pe2, M_TEMP);
422 				}
423 			}
424 			splx(s);
425 
426 			DPRINTF(("%s: insertion event\n", h->sc->dev.dv_xname));
427 			mmeyepcmcia_attach_card(h);
428 			break;
429 
430 		case MMEYEPCMCIA_EVENT_REMOVAL:
431 			s = splhigh();
432 			while (1) {
433 				struct mmeyepcmcia_event *pe1, *pe2;
434 
435 				if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL)
436 					break;
437 				if (pe1->pe_type != MMEYEPCMCIA_EVENT_INSERTION)
438 					break;
439 				if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL)
440 					break;
441 				if (pe2->pe_type == MMEYEPCMCIA_EVENT_REMOVAL) {
442 					SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
443 					free(pe1, M_TEMP);
444 					SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
445 					free(pe2, M_TEMP);
446 				}
447 			}
448 			splx(s);
449 
450 			DPRINTF(("%s: removal event\n", h->sc->dev.dv_xname));
451 			mmeyepcmcia_detach_card(h, DETACH_FORCE);
452 			break;
453 
454 		default:
455 			panic("mmeyepcmcia_event_thread: unknown event %d",
456 			    pe->pe_type);
457 		}
458 		free(pe, M_TEMP);
459 	}
460 
461 	h->event_thread = NULL;
462 
463 	/* In case parent is waiting for us to exit. */
464 	wakeup(h->sc);
465 
466 	kthread_exit(0);
467 }
468 
469 void
470 mmeyepcmcia_init_socket(struct mmeyepcmcia_handle *h)
471 {
472 	int reg;
473 
474 	/*
475 	 * queue creation of a kernel thread to handle insert/removal events.
476 	 */
477 #ifdef DIAGNOSTIC
478 	if (h->event_thread != NULL)
479 		panic("mmeyepcmcia_attach_socket: event thread");
480 #endif
481 	kthread_create(mmeyepcmcia_create_event_thread, h);
482 
483 	/* if there's a card there, then attach it. */
484 
485 	reg = mmeyepcmcia_read(h, MMEYEPCMCIA_IF_STATUS);
486 	reg &= ~MMEYEPCMCIA_IF_STATUS_BUSWIDTH; /* Set bus width to 16bit */
487 
488 	if ((reg & MMEYEPCMCIA_IF_STATUS_CARDDETECT_MASK) ==
489 	    MMEYEPCMCIA_IF_STATUS_CARDDETECT_PRESENT) {
490 		int i;
491 
492 		/* reset the card */
493 		mmeyepcmcia_write(h, MMEYEPCMCIA_IF_STATUS, reg|MMEYEPCMCIA_IF_STATUS_RESET);
494 		delay(1000); /* wait 1000 uSec */
495 		mmeyepcmcia_write(h, MMEYEPCMCIA_IF_STATUS,
496 			     reg & ~MMEYEPCMCIA_IF_STATUS_RESET);
497 		for (i = 0; i < 10000; i++)
498 			delay(1000); /* wait 1 mSec */
499 
500 		mmeyepcmcia_attach_card(h);
501 		h->laststate = MMEYEPCMCIA_LASTSTATE_PRESENT;
502 	} else {
503 		h->laststate = MMEYEPCMCIA_LASTSTATE_EMPTY;
504 	}
505 }
506 
507 int
508 mmeyepcmcia_submatch(struct device *parent, struct cfdata *cf, void *aux)
509 {
510 
511 	return (config_match(parent, cf, aux));
512 }
513 
514 int
515 mmeyepcmcia_print(void *arg, const char *pnp)
516 {
517 
518 	if (pnp)
519 		printf("pcmcia at %s", pnp);
520 
521 	return (UNCONF);
522 }
523 
524 int
525 mmeyepcmcia_intr(void *arg)
526 {
527 	struct mmeyepcmcia_softc *sc = arg;
528 
529 	DPRINTF(("%s: intr\n", sc->dev.dv_xname));
530 
531 	mmeyepcmcia_intr_socket(&sc->handle[0]);
532 
533 	return (0);
534 }
535 
536 int
537 mmeyepcmcia_intr_socket(struct mmeyepcmcia_handle *h)
538 {
539 	int cscreg;
540 
541 	cscreg = mmeyepcmcia_read(h, MMEYEPCMCIA_CSC);
542 
543 	cscreg &= (MMEYEPCMCIA_CSC_GPI |
544 		   MMEYEPCMCIA_CSC_CD |
545 		   MMEYEPCMCIA_CSC_READY |
546 		   MMEYEPCMCIA_CSC_BATTWARN |
547 		   MMEYEPCMCIA_CSC_BATTDEAD);
548 
549 	if (cscreg & MMEYEPCMCIA_CSC_GPI) {
550 		DPRINTF(("%s: %02x GPI\n", h->sc->dev.dv_xname, h->sock));
551 	}
552 	if (cscreg & MMEYEPCMCIA_CSC_CD) {
553 		int statreg;
554 
555 		statreg = mmeyepcmcia_read(h, MMEYEPCMCIA_IF_STATUS);
556 
557 		DPRINTF(("%s: %02x CD %x\n", h->sc->dev.dv_xname, h->sock,
558 		    statreg));
559 
560 		if ((statreg & MMEYEPCMCIA_IF_STATUS_CARDDETECT_MASK) ==
561 		    MMEYEPCMCIA_IF_STATUS_CARDDETECT_PRESENT) {
562 			if (h->laststate != MMEYEPCMCIA_LASTSTATE_PRESENT) {
563 				DPRINTF(("%s: enqueing INSERTION event\n",
564 						 h->sc->dev.dv_xname));
565 				mmeyepcmcia_queue_event(h, MMEYEPCMCIA_EVENT_INSERTION);
566 			}
567 			h->laststate = MMEYEPCMCIA_LASTSTATE_PRESENT;
568 		} else {
569 			if (h->laststate == MMEYEPCMCIA_LASTSTATE_PRESENT) {
570 				/* Deactivate the card now. */
571 				DPRINTF(("%s: deactivating card\n",
572 						 h->sc->dev.dv_xname));
573 				mmeyepcmcia_deactivate_card(h);
574 
575 				DPRINTF(("%s: enqueing REMOVAL event\n",
576 						 h->sc->dev.dv_xname));
577 				mmeyepcmcia_queue_event(h, MMEYEPCMCIA_EVENT_REMOVAL);
578 			}
579 			h->laststate = ((statreg & MMEYEPCMCIA_IF_STATUS_CARDDETECT_MASK) == 0)
580 				? MMEYEPCMCIA_LASTSTATE_EMPTY : MMEYEPCMCIA_LASTSTATE_HALF;
581 		}
582 	}
583 	if (cscreg & MMEYEPCMCIA_CSC_READY) {
584 		DPRINTF(("%s: %02x READY\n", h->sc->dev.dv_xname, h->sock));
585 		/* shouldn't happen */
586 	}
587 	if (cscreg & MMEYEPCMCIA_CSC_BATTWARN) {
588 		DPRINTF(("%s: %02x BATTWARN\n", h->sc->dev.dv_xname, h->sock));
589 	}
590 	if (cscreg & MMEYEPCMCIA_CSC_BATTDEAD) {
591 		DPRINTF(("%s: %02x BATTDEAD\n", h->sc->dev.dv_xname, h->sock));
592 	}
593 	return (cscreg ? 1 : 0);
594 }
595 
596 void
597 mmeyepcmcia_queue_event(struct mmeyepcmcia_handle *h, int event)
598 {
599 	struct mmeyepcmcia_event *pe;
600 	int s;
601 
602 	pe = malloc(sizeof(*pe), M_TEMP, M_NOWAIT);
603 	if (pe == NULL)
604 		panic("mmeyepcmcia_queue_event: can't allocate event");
605 
606 	pe->pe_type = event;
607 	s = splhigh();
608 	SIMPLEQ_INSERT_TAIL(&h->events, pe, pe_q);
609 	splx(s);
610 	wakeup(&h->events);
611 }
612 
613 void
614 mmeyepcmcia_attach_card(struct mmeyepcmcia_handle *h)
615 {
616 
617 	if (!(h->flags & MMEYEPCMCIA_FLAG_CARDP)) {
618 		/* call the MI attach function */
619 		pcmcia_card_attach(h->pcmcia);
620 
621 		h->flags |= MMEYEPCMCIA_FLAG_CARDP;
622 	} else {
623 		DPRINTF(("mmeyepcmcia_attach_card: already attached"));
624 	}
625 }
626 
627 void
628 mmeyepcmcia_detach_card(struct mmeyepcmcia_handle *h, int flags)
629 {
630 
631 	if (h->flags & MMEYEPCMCIA_FLAG_CARDP) {
632 		h->flags &= ~MMEYEPCMCIA_FLAG_CARDP;
633 
634 		/* call the MI detach function */
635 		pcmcia_card_detach(h->pcmcia, flags);
636 	} else {
637 		DPRINTF(("mmeyepcmcia_detach_card: already detached"));
638 	}
639 }
640 
641 void
642 mmeyepcmcia_deactivate_card(struct mmeyepcmcia_handle *h)
643 {
644 
645 	/* call the MI deactivate function */
646 	pcmcia_card_deactivate(h->pcmcia);
647 
648 	/* Power down and reset XXX notyet */
649 }
650 
651 int
652 mmeyepcmcia_chip_mem_alloc(pcmcia_chipset_handle_t pch, bus_size_t size,
653     struct pcmcia_mem_handle *pcmhp)
654 {
655 	struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
656 	bus_space_handle_t memh = 0;
657 	bus_addr_t addr;
658 	bus_size_t sizepg;
659 	int i, mask, mhandle;
660 
661 	/* out of sc->memh, allocate as many pages as necessary */
662 #define	MMEYEPCMCIA_MEM_ALIGN	MMEYEPCMCIA_MEM_PAGESIZE
663 	/* convert size to PCIC pages */
664 	sizepg = (size + (MMEYEPCMCIA_MEM_ALIGN - 1)) / MMEYEPCMCIA_MEM_ALIGN;
665 	if (sizepg > MMEYEPCMCIA_MAX_MEM_PAGES)
666 		return (1);
667 
668 	mask = (1 << sizepg) - 1;
669 
670 	addr = 0;		/* XXX gcc -Wuninitialized */
671 	mhandle = 0;		/* XXX gcc -Wuninitialized */
672 
673 	for (i = 0; i <= MMEYEPCMCIA_MAX_MEM_PAGES - sizepg; i++) {
674 		if ((h->sc->subregionmask & (mask << i)) == (mask << i)) {
675 #if 0
676 			if (bus_space_subregion(h->sc->memt, h->sc->memh,
677 			    i * MMEYEPCMCIA_MEM_PAGESIZE,
678 			    sizepg * MMEYEPCMCIA_MEM_PAGESIZE, &memh))
679 				return (1);
680 #endif
681 			memh = h->sc->memh;
682 			mhandle = mask << i;
683 			addr = h->sc->membase + (i * MMEYEPCMCIA_MEM_PAGESIZE);
684 			h->sc->subregionmask &= ~(mhandle);
685 			pcmhp->memt = h->sc->memt;
686 			pcmhp->memh = memh;
687 			pcmhp->addr = addr;
688 			pcmhp->size = size;
689 			pcmhp->mhandle = mhandle;
690 			pcmhp->realsize = sizepg * MMEYEPCMCIA_MEM_PAGESIZE;
691 			return (0);
692 		}
693 	}
694 
695 	return (1);
696 }
697 
698 void
699 mmeyepcmcia_chip_mem_free(pcmcia_chipset_handle_t pch,
700     struct pcmcia_mem_handle *pcmhp)
701 {
702 	struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
703 
704 	h->sc->subregionmask |= pcmhp->mhandle;
705 }
706 
707 int
708 mmeyepcmcia_chip_mem_map(pcmcia_chipset_handle_t pch, int kind,
709     bus_addr_t card_addr, bus_size_t size, struct pcmcia_mem_handle *pcmhp,
710     bus_size_t *offsetp, int *windowp)
711 {
712 	struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
713 	bus_addr_t busaddr;
714 	long card_offset;
715 	int i, win;
716 
717 	win = -1;
718 	for (i = 0; i < MMEYEPCMCIA_WINS;
719 	    i++) {
720 		if ((h->memalloc & (1 << i)) == 0) {
721 			win = i;
722 			h->memalloc |= (1 << i);
723 			break;
724 		}
725 	}
726 
727 	if (win == -1)
728 		return (1);
729 
730 	*windowp = win;
731 
732 	/* XXX this is pretty gross */
733 
734 	if (h->sc->memt != pcmhp->memt)
735 		panic("mmeyepcmcia_chip_mem_map memt is bogus");
736 
737 	busaddr = pcmhp->addr;
738 
739 	/*
740 	 * compute the address offset to the pcmcia address space for the
741 	 * pcic.  this is intentionally signed.  The masks and shifts below
742 	 * will cause TRT to happen in the pcic registers.  Deal with making
743 	 * sure the address is aligned, and return the alignment offset.
744 	 */
745 
746 	*offsetp = 0;
747 	card_addr -= *offsetp;
748 
749 	DPRINTF(("mmeyepcmcia_chip_mem_map window %d bus %lx+%lx+%lx at card addr "
750 	    "%lx\n", win, (u_long) busaddr, (u_long) * offsetp, (u_long) size,
751 	    (u_long) card_addr));
752 
753 	/*
754 	 * include the offset in the size, and decrement size by one, since
755 	 * the hw wants start/stop
756 	 */
757 	size += *offsetp - 1;
758 
759 	card_offset = (((long) card_addr) - ((long) busaddr));
760 
761 	h->mem[win].addr = busaddr;
762 	h->mem[win].size = size;
763 	h->mem[win].offset = card_offset;
764 	h->mem[win].kind = kind;
765 
766 	if (kind == PCMCIA_MEM_ATTR) {
767 		pcmhp->memh = h->sc->memh + card_addr;
768 	} else {
769 		pcmhp->memh = h->sc->memh + card_addr + MMEYEPCMCIA_ATTRMEM_SIZE;
770 	}
771 
772 	return (0);
773 }
774 
775 void
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 
786 int
787 mmeyepcmcia_chip_io_alloc(pcmcia_chipset_handle_t pch, bus_addr_t start,
788     bus_size_t size, bus_size_t align, struct pcmcia_io_handle *pcihp)
789 {
790 	struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
791 	bus_space_tag_t iot;
792 	bus_space_handle_t ioh;
793 	bus_addr_t ioaddr;
794 	int flags = 0;
795 
796 	/*
797 	 * Allocate some arbitrary I/O space.
798 	 */
799 
800 	iot = h->sc->iot;
801 
802 	if (start) {
803 		ioaddr = start;
804 		ioh = start;
805 		DPRINTF(("mmeyepcmcia_chip_io_alloc map port %lx+%lx\n",
806 		    (u_long) ioaddr, (u_long) size));
807 	} else {
808 		flags |= PCMCIA_IO_ALLOCATED;
809 		ioaddr = ioh = h->sc->iobase;
810 		DPRINTF(("mmeyepcmcia_chip_io_alloc alloc port %lx+%lx\n",
811 		    (u_long) ioaddr, (u_long) size));
812 	}
813 
814 	pcihp->iot = iot;
815 	pcihp->ioh = ioh + h->sc->memh + MMEYEPCMCIA_ATTRMEM_SIZE;
816 	pcihp->addr = ioaddr;
817 	pcihp->size = size;
818 	pcihp->flags = flags;
819 
820 	return (0);
821 }
822 
823 void
824 mmeyepcmcia_chip_io_free(pcmcia_chipset_handle_t pch,
825     struct pcmcia_io_handle *pcihp)
826 {
827 }
828 
829 int
830 mmeyepcmcia_chip_io_map(pcmcia_chipset_handle_t pch, int width, bus_addr_t offset,
831     bus_size_t size, struct pcmcia_io_handle *pcihp, int *windowp)
832 {
833 	struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
834 	bus_addr_t ioaddr = pcihp->addr + offset;
835 	int i, win;
836 #ifdef MMEYEPCMCIADEBUG
837 	static char *width_names[] = { "auto", "io8", "io16" };
838 #endif
839 	int reg;
840 
841 	/* I/O width is hardwired to 16bit mode on mmeye. */
842 	width = PCMCIA_WIDTH_IO16;
843 
844 	win = -1;
845 	for (i = 0; i < MMEYEPCMCIA_IOWINS; i++) {
846 		if ((h->ioalloc & (1 << i)) == 0) {
847 			win = i;
848 			h->ioalloc |= (1 << i);
849 			break;
850 		}
851 	}
852 
853 	if (win == -1)
854 		return (1);
855 
856 	*windowp = win;
857 
858 	/* XXX this is pretty gross */
859 
860 	if (h->sc->iot != pcihp->iot)
861 		panic("mmeyepcmcia_chip_io_map iot is bogus");
862 
863 	DPRINTF(("mmeyepcmcia_chip_io_map window %d %s port %lx+%lx\n",
864 		 win, width_names[width], (u_long) ioaddr, (u_long) size));
865 
866 	/* XXX wtf is this doing here? */
867 
868 	printf(" port 0x%lx", (u_long) ioaddr);
869 	if (size > 1)
870 		printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1);
871 
872 	h->io[win].addr = ioaddr;
873 	h->io[win].size = size;
874 	h->io[win].width = width;
875 
876 	pcihp->ioh = h->sc->memh + MMEYEPCMCIA_ATTRMEM_SIZE;
877 
878 	if (width == PCMCIA_WIDTH_IO8) { /* IO8 */
879 		reg = mmeyepcmcia_read(h, MMEYEPCMCIA_IF_STATUS);
880 		reg |= MMEYEPCMCIA_IF_STATUS_BUSWIDTH; /* Set bus width to 8bit */
881 		mmeyepcmcia_write(h, MMEYEPCMCIA_IF_STATUS, reg);
882 	}
883 
884 	return (0);
885 }
886 
887 void
888 mmeyepcmcia_chip_io_unmap(pcmcia_chipset_handle_t pch, int window)
889 {
890 	struct mmeyepcmcia_handle *h = (struct mmeyepcmcia_handle *) pch;
891 
892 	if (window >= MMEYEPCMCIA_IOWINS)
893 		panic("mmeyepcmcia_chip_io_unmap: window out of range");
894 
895 	h->ioalloc &= ~(1 << window);
896 }
897 
898 void
899 mmeyepcmcia_chip_socket_enable(pcmcia_chipset_handle_t pch)
900 {
901 }
902 
903 void
904 mmeyepcmcia_chip_socket_disable(pcmcia_chipset_handle_t pch)
905 {
906 }
907