xref: /netbsd-src/sys/arch/hpcsh/dev/hd64461/hd64461pcmcia.c (revision 181254a7b1bdde6873432bffef2d2decc4b5c22f)
1 /*	$NetBSD: hd64461pcmcia.c,v 1.51 2013/11/09 02:54:11 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001, 2002, 2004 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by UCHIYAMA Yasushi.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: hd64461pcmcia.c,v 1.51 2013/11/09 02:54:11 christos Exp $");
34 
35 #include "opt_hd64461pcmcia.h"
36 
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/device.h>
40 #include <sys/malloc.h>
41 #include <sys/kthread.h>
42 #include <sys/boot_flag.h>
43 #include <sys/bus.h>
44 
45 #include <machine/intr.h>
46 
47 #include <dev/pcmcia/pcmciareg.h>
48 #include <dev/pcmcia/pcmciavar.h>
49 #include <dev/pcmcia/pcmciachip.h>
50 
51 #include <sh3/bscreg.h>
52 
53 #include <hpcsh/dev/hd64461/hd64461reg.h>
54 #include <hpcsh/dev/hd64461/hd64461var.h>
55 #include <hpcsh/dev/hd64461/hd64461intcreg.h>
56 #include <hpcsh/dev/hd64461/hd64461gpioreg.h>
57 #include <hpcsh/dev/hd64461/hd64461pcmciavar.h>
58 #include <hpcsh/dev/hd64461/hd64461pcmciareg.h>
59 
60 #include <hpcsh/bus_util.h>	/* for _BUS_SPACE_WRITE(), et cetera */
61 
62 #include "locators.h"
63 
64 #ifdef	HD64461PCMCIA_DEBUG
65 #define	DPRINTF_ENABLE
66 #define	DPRINTF_DEBUG	hd64461pcmcia_debug
67 #endif
68 #include <machine/debug.h>
69 
70 enum controller_channel {
71 	CHANNEL_0 = 0,
72 	CHANNEL_1 = 1,
73 	CHANNEL_MAX = 2
74 };
75 
76 enum memory_window_mode {
77 	MEMWIN_16M_MODE,
78 	MEMWIN_32M_MODE
79 };
80 
81 enum memory_window_16 {
82 	MEMWIN_16M_COMMON_0,
83 	MEMWIN_16M_COMMON_1,
84 	MEMWIN_16M_COMMON_2,
85 	MEMWIN_16M_COMMON_3,
86 };
87 #define	MEMWIN_16M_MAX	4
88 
89 enum memory_window_32 {
90 	MEMWIN_32M_ATTR,
91 	MEMWIN_32M_COMMON_0,
92 	MEMWIN_32M_COMMON_1,
93 };
94 #define	MEMWIN_32M_MAX	3
95 
96 enum hd64461pcmcia_event_type {
97 	EVENT_NONE,
98 	EVENT_INSERT,
99 	EVENT_REMOVE,
100 };
101 #define	EVENT_QUEUE_MAX		5
102 
103 struct hd64461pcmcia_softc; /* forward declaration */
104 
105 struct hd64461pcmcia_window_cookie {
106 	bus_space_tag_t wc_tag;
107 	bus_space_handle_t wc_handle;
108 	int wc_size;
109 	int wc_window;
110 };
111 
112 struct hd64461pcmcia_channel {
113 	struct hd64461pcmcia_softc *ch_parent;
114 	device_t ch_pcmcia;
115 	enum controller_channel ch_channel;
116 
117 	/* memory space */
118 	enum memory_window_mode ch_memory_window_mode;
119 	bus_space_tag_t ch_memt;
120 	bus_space_handle_t ch_memh;
121 	bus_addr_t ch_membase_addr;
122 	bus_size_t ch_memsize;
123 	bus_space_tag_t ch_cmemt[MEMWIN_16M_MAX];
124 
125 	/* I/O space */
126 	bus_space_tag_t ch_iot;
127 	bus_addr_t ch_iobase;
128 	bus_size_t ch_iosize;
129 
130 	/* card interrupt */
131 	int (*ch_ih_card_func)(void *);
132 	void *ch_ih_card_arg;
133 	int ch_attached;
134 };
135 
136 struct hd64461pcmcia_event {
137 	int __queued;
138 	enum hd64461pcmcia_event_type pe_type;
139 	struct hd64461pcmcia_channel *pe_ch;
140 	SIMPLEQ_ENTRY(hd64461pcmcia_event) pe_link;
141 };
142 
143 struct hd64461pcmcia_softc {
144 	device_t sc_dev;
145 
146 	enum hd64461_module_id sc_module_id;
147 	int sc_shutdown;
148 
149 	/* CSC event */
150 	lwp_t *sc_event_thread;
151 	struct hd64461pcmcia_event sc_event_pool[EVENT_QUEUE_MAX];
152 	SIMPLEQ_HEAD (, hd64461pcmcia_event) sc_event_head;
153 
154 	struct hd64461pcmcia_channel sc_ch[CHANNEL_MAX];
155 };
156 
157 STATIC int hd64461pcmcia_chip_mem_alloc(pcmcia_chipset_handle_t, bus_size_t,
158     struct pcmcia_mem_handle *);
159 STATIC void hd64461pcmcia_chip_mem_free(pcmcia_chipset_handle_t,
160     struct pcmcia_mem_handle *);
161 STATIC int hd64461pcmcia_chip_mem_map(pcmcia_chipset_handle_t, int, bus_addr_t,
162     bus_size_t, struct pcmcia_mem_handle *, bus_size_t *, int *);
163 STATIC void hd64461pcmcia_chip_mem_unmap(pcmcia_chipset_handle_t, int);
164 STATIC int hd64461pcmcia_chip_io_alloc(pcmcia_chipset_handle_t, bus_addr_t,
165     bus_size_t, bus_size_t, struct pcmcia_io_handle *);
166 STATIC void hd64461pcmcia_chip_io_free(pcmcia_chipset_handle_t,
167     struct pcmcia_io_handle *);
168 STATIC int hd64461pcmcia_chip_io_map(pcmcia_chipset_handle_t, int, bus_addr_t,
169     bus_size_t, struct pcmcia_io_handle *, int *);
170 STATIC void hd64461pcmcia_chip_io_unmap(pcmcia_chipset_handle_t, int);
171 STATIC void hd64461pcmcia_chip_socket_enable(pcmcia_chipset_handle_t);
172 STATIC void hd64461pcmcia_chip_socket_disable(pcmcia_chipset_handle_t);
173 STATIC void hd64461pcmcia_chip_socket_settype(pcmcia_chipset_handle_t, int);
174 STATIC void *hd64461pcmcia_chip_intr_establish(pcmcia_chipset_handle_t,
175     struct pcmcia_function *, int, int (*)(void *), void *);
176 STATIC void hd64461pcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t,
177     void *);
178 
179 STATIC struct pcmcia_chip_functions hd64461pcmcia_functions = {
180 	hd64461pcmcia_chip_mem_alloc,
181 	hd64461pcmcia_chip_mem_free,
182 	hd64461pcmcia_chip_mem_map,
183 	hd64461pcmcia_chip_mem_unmap,
184 	hd64461pcmcia_chip_io_alloc,
185 	hd64461pcmcia_chip_io_free,
186 	hd64461pcmcia_chip_io_map,
187 	hd64461pcmcia_chip_io_unmap,
188 	hd64461pcmcia_chip_intr_establish,
189 	hd64461pcmcia_chip_intr_disestablish,
190 	hd64461pcmcia_chip_socket_enable,
191 	hd64461pcmcia_chip_socket_disable,
192 	hd64461pcmcia_chip_socket_settype,
193 };
194 
195 STATIC int hd64461pcmcia_match(device_t, cfdata_t, void *);
196 STATIC void hd64461pcmcia_attach(device_t, device_t, void *);
197 STATIC int hd64461pcmcia_print(void *, const char *);
198 STATIC int hd64461pcmcia_submatch(device_t, cfdata_t, const int *, void *);
199 
200 CFATTACH_DECL_NEW(hd64461pcmcia, sizeof(struct hd64461pcmcia_softc),
201     hd64461pcmcia_match, hd64461pcmcia_attach, NULL, NULL);
202 
203 STATIC void hd64461pcmcia_attach_channel(struct hd64461pcmcia_softc *,
204     enum controller_channel);
205 /* hot plug */
206 STATIC void hd64461pcmcia_event_thread(void *);
207 STATIC void queue_event(struct hd64461pcmcia_channel *,
208     enum hd64461pcmcia_event_type);
209 /* interrupt handler */
210 STATIC int hd64461pcmcia_channel0_intr(void *);
211 STATIC int hd64461pcmcia_channel1_intr(void *);
212 /* card status */
213 STATIC enum hd64461pcmcia_event_type detect_card(enum controller_channel);
214 STATIC void hd64461pcmcia_power_off(enum controller_channel);
215 STATIC void hd64461pcmcia_power_on(enum controller_channel);
216 /* memory window access ops */
217 STATIC void hd64461pcmcia_memory_window_mode(enum controller_channel,
218     enum memory_window_mode)__attribute__((__unused__));
219 STATIC void hd64461pcmcia_memory_window_16(enum controller_channel,
220     enum memory_window_16);
221 /* bus width */
222 STATIC void hd64461_set_bus_width(enum controller_channel, int);
223 #ifdef HD64461PCMCIA_DEBUG
224 STATIC void hd64461pcmcia_info(struct hd64461pcmcia_softc *);
225 #endif
226 /* fix SH3 Area[56] bug */
227 STATIC void fixup_sh3_pcmcia_area(bus_space_tag_t);
228 #define	_BUS_SPACE_ACCESS_HOOK()					\
229 do {									\
230 	uint8_t dummy __attribute__((__unused__)) =			\
231 	 *(volatile uint8_t *)0xba000000;				\
232 } while (/*CONSTCOND*/0)
233 _BUS_SPACE_WRITE(_sh3_pcmcia_bug, 1, 8)
234 _BUS_SPACE_WRITE_MULTI(_sh3_pcmcia_bug, 1, 8)
235 _BUS_SPACE_WRITE_REGION(_sh3_pcmcia_bug, 1, 8)
236 _BUS_SPACE_SET_MULTI(_sh3_pcmcia_bug, 1, 8)
237 #undef _BUS_SPACE_ACCESS_HOOK
238 
239 #define	DELAY_MS(x)	delay((x) * 1000)
240 
241 STATIC int
242 hd64461pcmcia_match(device_t parent, cfdata_t cf, void *aux)
243 {
244 	struct hd64461_attach_args *ha = aux;
245 
246 	return (ha->ha_module_id == HD64461_MODULE_PCMCIA);
247 }
248 
249 STATIC void
250 hd64461pcmcia_attach(device_t parent, device_t self, void *aux)
251 {
252 	struct hd64461_attach_args *ha = aux;
253 	struct hd64461pcmcia_softc *sc;
254 	int error __diagused;
255 
256 	sc = device_private(self);
257 	sc->sc_dev = self;
258 
259 	sc->sc_module_id = ha->ha_module_id;
260 
261 	aprint_naive("\n");
262 	aprint_normal("\n");
263 
264 #ifdef HD64461PCMCIA_DEBUG
265 	hd64461pcmcia_info(sc);
266 #endif
267 	/* Channel 0/1 common CSC event queue */
268 	SIMPLEQ_INIT (&sc->sc_event_head);
269 
270 	error = kthread_create(PRI_NONE, 0, NULL,
271 			       hd64461pcmcia_event_thread, sc,
272 			       &sc->sc_event_thread,
273 			       "%s", device_xname(self));
274 	KASSERT(error == 0);
275 
276 	config_pending_incr(self);
277 
278 	/* XXX: TODO */
279 	if (!pmf_device_register(self, NULL, NULL))
280 		aprint_error_dev(self, "unable to establish power handler\n");
281 }
282 
283 STATIC void
284 hd64461pcmcia_event_thread(void *arg)
285 {
286 	struct hd64461pcmcia_softc *sc = arg;
287 	struct hd64461pcmcia_event *pe;
288 	int s;
289 
290 #if !defined(HD64461PCMCIA_REORDER_ATTACH)
291 	hd64461pcmcia_attach_channel(sc, CHANNEL_0);
292 	hd64461pcmcia_attach_channel(sc, CHANNEL_1);
293 #else
294 	hd64461pcmcia_attach_channel(sc, CHANNEL_1);
295 	hd64461pcmcia_attach_channel(sc, CHANNEL_0);
296 #endif
297 	config_pending_decr(sc->sc_dev);
298 
299 	while (!sc->sc_shutdown) {
300 		tsleep(sc, PWAIT, "CSC wait", 0);
301 		s = splhigh();
302 		while ((pe = SIMPLEQ_FIRST(&sc->sc_event_head))) {
303 			splx(s);
304 			switch (pe->pe_type) {
305 			default:
306 				printf("%s: unknown event.\n", __func__);
307 				break;
308 			case EVENT_INSERT:
309 				DPRINTF("insert event.\n");
310 				pcmcia_card_attach(pe->pe_ch->ch_pcmcia);
311 				break;
312 			case EVENT_REMOVE:
313 				DPRINTF("remove event.\n");
314 				pcmcia_card_detach(pe->pe_ch->ch_pcmcia,
315 				    DETACH_FORCE);
316 				break;
317 			}
318 			s = splhigh();
319 			SIMPLEQ_REMOVE_HEAD(&sc->sc_event_head, pe_link);
320 			pe->__queued = 0;
321 		}
322 		splx(s);
323 	}
324 
325 	sc->sc_event_thread = NULL;
326 	kthread_exit(0);
327 	/* NOTREACHED */
328 }
329 
330 STATIC int
331 hd64461pcmcia_print(void *arg, const char *pnp)
332 {
333 
334 	if (pnp)
335 		aprint_normal("pcmcia at %s", pnp);
336 
337 	return (UNCONF);
338 }
339 
340 STATIC int
341 hd64461pcmcia_submatch(device_t parent, cfdata_t cf,
342 		       const int *ldesc, void *aux)
343 {
344 	struct pcmciabus_attach_args *paa = aux;
345 	struct hd64461pcmcia_channel *ch =
346 	    (struct hd64461pcmcia_channel *)paa->pch;
347 
348 	if (ch->ch_channel == CHANNEL_0) {
349 		if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] !=
350 		    PCMCIABUSCF_CONTROLLER_DEFAULT &&
351 		    cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 0)
352 			return 0;
353 	} else {
354 		if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] !=
355 		    PCMCIABUSCF_CONTROLLER_DEFAULT &&
356 		    cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 1)
357 			return 0;
358 	}
359 	paa->pct = (pcmcia_chipset_tag_t)&hd64461pcmcia_functions;
360 
361 	return (config_match(parent, cf, aux));
362 }
363 
364 STATIC void
365 hd64461pcmcia_attach_channel(struct hd64461pcmcia_softc *sc,
366     enum controller_channel channel)
367 {
368 	device_t parent = sc->sc_dev;
369 	struct hd64461pcmcia_channel *ch = &sc->sc_ch[channel];
370 	struct pcmciabus_attach_args paa;
371 	bus_addr_t membase;
372 	int i;
373 
374 	ch->ch_parent = sc;
375 	ch->ch_channel = channel;
376 
377 	/*
378 	 * Continuous 16-MB Area Mode
379 	 */
380 	/* Attibute/Common memory extent */
381 	membase = (channel == CHANNEL_0)
382 	    ? HD64461_PCC0_MEMBASE : HD64461_PCC1_MEMBASE;
383 
384 	ch->ch_memt = bus_space_create(0, "PCMCIA attribute memory",
385 	    membase, 0x01000000); /* 16MB */
386 	bus_space_alloc(ch->ch_memt, 0, 0x00ffffff, 0x01000000,
387 	    0x01000000, 0x01000000, 0, &ch->ch_membase_addr,
388 	    &ch->ch_memh);
389 	fixup_sh3_pcmcia_area(ch->ch_memt);
390 
391 	/* Common memory space extent */
392 	ch->ch_memsize = 0x01000000;
393 	for (i = 0; i < MEMWIN_16M_MAX; i++) {
394 		ch->ch_cmemt[i] = bus_space_create(0, "PCMCIA common memory",
395 		    membase + 0x01000000,
396 		    ch->ch_memsize);
397 		fixup_sh3_pcmcia_area(ch->ch_cmemt[i]);
398 	}
399 
400 	/* I/O port extent and interrupt staff */
401 	hd64461pcmcia_chip_socket_disable(ch); /* enable CSC interrupt only */
402 
403 	if (channel == CHANNEL_0) {
404 		ch->ch_iobase = 0;
405 		ch->ch_iosize = HD64461_PCC0_IOSIZE;
406 		ch->ch_iot = bus_space_create(0, "PCMCIA I/O port",
407 		    HD64461_PCC0_IOBASE,
408 		    ch->ch_iosize);
409 		fixup_sh3_pcmcia_area(ch->ch_iot);
410 
411 		hd6446x_intr_establish(HD64461_INTC_PCC0, IST_LEVEL, IPL_TTY,
412 		    hd64461pcmcia_channel0_intr, ch);
413 	} else {
414 		hd64461_set_bus_width(CHANNEL_1, PCMCIA_WIDTH_IO16);
415 		hd6446x_intr_establish(HD64461_INTC_PCC1, IST_EDGE, IPL_TTY,
416 		    hd64461pcmcia_channel1_intr, ch);
417 	}
418 
419 	paa.paa_busname = "pcmcia";
420 	paa.pch = (pcmcia_chipset_handle_t)ch;
421 
422 	ch->ch_pcmcia = config_found_sm_loc(parent, "pcmciabus", NULL, &paa,
423 	    hd64461pcmcia_print, hd64461pcmcia_submatch);
424 
425 	if (ch->ch_pcmcia && (detect_card(ch->ch_channel) == EVENT_INSERT)) {
426 		ch->ch_attached = 1;
427 		pcmcia_card_attach(ch->ch_pcmcia);
428 	}
429 }
430 
431 STATIC int
432 hd64461pcmcia_channel0_intr(void *arg)
433 {
434 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)arg;
435 	uint8_t r;
436 	int ret = 0;
437 
438 	r = hd64461_reg_read_1(HD64461_PCC0CSCR_REG8);
439 	/* clear interrtupt (edge source only) */
440 	hd64461_reg_write_1(HD64461_PCC0CSCR_REG8, 0);
441 
442 	if (r & HD64461_PCC0CSCR_P0IREQ) {
443 		if (ch->ch_ih_card_func) {
444 			ret = (*ch->ch_ih_card_func)(ch->ch_ih_card_arg);
445 		} else
446 			DPRINTF("spurious IREQ interrupt.\n");
447 	}
448 
449 	if (r & HD64461_PCC0CSCR_P0CDC)
450 		queue_event(ch, detect_card(ch->ch_channel));
451 
452 	return ret;
453 }
454 
455 STATIC int
456 hd64461pcmcia_channel1_intr(void *arg)
457 {
458 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)arg;
459 	uint8_t r;
460 	int ret = 0;
461 
462 	r = hd64461_reg_read_1(HD64461_PCC1CSCR_REG8);
463 	/* clear interrtupt */
464 	hd64461_reg_write_1(HD64461_PCC1CSCR_REG8, 0);
465 
466 	if (r & HD64461_PCC1CSCR_P1RC) {
467 		if (ch->ch_ih_card_func)
468 			ret = (*ch->ch_ih_card_func)(ch->ch_ih_card_arg);
469 		else
470 			DPRINTF("spurious READY interrupt.\n");
471 	}
472 
473 	if (r & HD64461_PCC1CSCR_P1CDC)
474 		queue_event(ch, detect_card(ch->ch_channel));
475 
476 	return ret;
477 }
478 
479 STATIC void
480 queue_event(struct hd64461pcmcia_channel *ch,
481     enum hd64461pcmcia_event_type type)
482 {
483 	struct hd64461pcmcia_event *pe, *pool;
484 	struct hd64461pcmcia_softc *sc = ch->ch_parent;
485 	int i;
486 	int s = splhigh();
487 
488 	if (type == EVENT_NONE)
489 		goto out;
490 
491 	pe = 0;
492 	pool = sc->sc_event_pool;
493 	for (i = 0; i < EVENT_QUEUE_MAX; i++) {
494 		if (!pool[i].__queued) {
495 			pe = &pool[i];
496 			break;
497 		}
498 	}
499 
500 	if (pe == 0) {
501 		printf("%s: event FIFO overflow (max %d).\n", __func__,
502 		    EVENT_QUEUE_MAX);
503 		goto out;
504 	}
505 
506 	if ((ch->ch_attached && (type == EVENT_INSERT)) ||
507 	    (!ch->ch_attached && (type == EVENT_REMOVE))) {
508 		DPRINTF("spurious CSC interrupt.\n");
509 		goto out;
510 	}
511 
512 	ch->ch_attached = (type == EVENT_INSERT);
513 	pe->__queued = 1;
514 	pe->pe_type = type;
515 	pe->pe_ch = ch;
516 	SIMPLEQ_INSERT_TAIL(&sc->sc_event_head, pe, pe_link);
517 	wakeup(sc);
518  out:
519 	splx(s);
520 }
521 
522 /*
523  * interface for pcmcia driver.
524  */
525 STATIC void *
526 hd64461pcmcia_chip_intr_establish(pcmcia_chipset_handle_t pch,
527     struct pcmcia_function *pf,
528     int ipl, int (*ih_func)(void *), void *ih_arg)
529 {
530 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
531 	int channel = ch->ch_channel;
532 	bus_addr_t cscier = HD64461_PCCCSCIER(channel);
533 	int s = splhigh();
534 	uint8_t r;
535 
536 	ch->ch_ih_card_func = ih_func;
537 	ch->ch_ih_card_arg = ih_arg;
538 
539 	/* enable card interrupt */
540 	r = hd64461_reg_read_1(cscier);
541 	if (channel == CHANNEL_0) {
542 		/* set level mode */
543 		r &= ~HD64461_PCC0CSCIER_P0IREQE_MASK;
544 		r |= HD64461_PCC0CSCIER_P0IREQE_LEVEL;
545 		hd6446x_intr_priority(HD64461_INTC_PCC0, ipl);
546 	} else {
547 		/* READY-pin LOW to HIGH changes generates interrupt */
548 		r |= HD64461_PCC1CSCIER_P1RE;
549 		hd6446x_intr_priority(HD64461_INTC_PCC1, ipl);
550 	}
551 	hd64461_reg_write_1(cscier, r);
552 
553 	splx(s);
554 
555 	return (void *)ih_func;
556 }
557 
558 STATIC void
559 hd64461pcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t pch, void *ih)
560 {
561 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
562 	int channel = ch->ch_channel;
563 	bus_addr_t cscier = HD64461_PCCCSCIER(channel);
564 	int s = splhigh();
565 	uint8_t r;
566 
567 	/* disable card interrupt */
568 	r = hd64461_reg_read_1(cscier);
569 	if (channel == CHANNEL_0) {
570 		r &= ~HD64461_PCC0CSCIER_P0IREQE_MASK;
571 		r |= HD64461_PCC0CSCIER_P0IREQE_NONE;
572 		hd6446x_intr_priority(HD64461_INTC_PCC0, IPL_TTY);
573 	} else {
574 		r &= ~HD64461_PCC1CSCIER_P1RE;
575 		hd6446x_intr_priority(HD64461_INTC_PCC1, IPL_TTY);
576 	}
577 	hd64461_reg_write_1(cscier, r);
578 
579 	ch->ch_ih_card_func = 0;
580 
581 	splx(s);
582 }
583 
584 STATIC int
585 hd64461pcmcia_chip_mem_alloc(pcmcia_chipset_handle_t pch, bus_size_t size,
586     struct pcmcia_mem_handle *pcmhp)
587 {
588 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
589 
590 	pcmhp->memt = ch->ch_memt;
591 	pcmhp->addr = ch->ch_membase_addr;
592 	pcmhp->memh = ch->ch_memh;
593 	pcmhp->size = size;
594 	pcmhp->realsize = size;
595 
596 	DPRINTF("base 0x%08lx size %#lx\n", pcmhp->addr, size);
597 
598 	return (0);
599 }
600 
601 STATIC void
602 hd64461pcmcia_chip_mem_free(pcmcia_chipset_handle_t pch,
603     struct pcmcia_mem_handle *pcmhp)
604 {
605 	/* nothing to do */
606 }
607 
608 STATIC int
609 hd64461pcmcia_chip_mem_map(pcmcia_chipset_handle_t pch, int kind,
610     bus_addr_t card_addr,
611     bus_size_t size, struct pcmcia_mem_handle *pcmhp,
612     bus_size_t *offsetp, int *windowp)
613 {
614 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
615 	struct hd64461pcmcia_window_cookie *cookie;
616 	bus_addr_t ofs;
617 
618 	cookie = malloc(sizeof(struct hd64461pcmcia_window_cookie),
619 	    M_DEVBUF, M_NOWAIT);
620 	KASSERT(cookie);
621 	memset(cookie, 0, sizeof(struct hd64461pcmcia_window_cookie));
622 
623 	/* Address */
624 	if ((kind & ~PCMCIA_WIDTH_MEM_MASK) == PCMCIA_MEM_ATTR) {
625 		cookie->wc_tag = ch->ch_memt;
626 		if (bus_space_subregion(ch->ch_memt, ch->ch_memh, card_addr,
627 		    size, &cookie->wc_handle) != 0)
628 			goto bad;
629 
630 		*offsetp = card_addr;
631 		cookie->wc_window = -1;
632 	} else {
633 		int window = card_addr / ch->ch_memsize;
634 		KASSERT(window < MEMWIN_16M_MAX);
635 
636 		cookie->wc_tag = ch->ch_cmemt[window];
637 		ofs = card_addr - window * ch->ch_memsize;
638 		if (bus_space_map(cookie->wc_tag, ofs, size, 0,
639 		    &cookie->wc_handle) != 0)
640 			goto bad;
641 
642 		/* XXX bogus. check window per common memory access. */
643 		hd64461pcmcia_memory_window_16(ch->ch_channel, window);
644 		*offsetp = ofs + 0x01000000; /* skip attribute area */
645 		cookie->wc_window = window;
646 	}
647 	cookie->wc_size = size;
648 	*windowp = (int)cookie;
649 
650 	DPRINTF("(%s) %#lx+%#lx-> %#lx+%#lx\n", kind == PCMCIA_MEM_ATTR ?
651 	    "attribute" : "common", ch->ch_memh, card_addr, *offsetp,
652 	    size);
653 
654 	return (0);
655  bad:
656 	DPRINTF("%#lx-%#lx map failed.\n", card_addr, size);
657 	free(cookie, M_DEVBUF);
658 
659 	return (1);
660 }
661 
662 STATIC void
663 hd64461pcmcia_chip_mem_unmap(pcmcia_chipset_handle_t pch, int window)
664 {
665 	struct hd64461pcmcia_window_cookie *cookie = (void *)window;
666 
667 	if (cookie->wc_window != -1)
668 		bus_space_unmap(cookie->wc_tag, cookie->wc_handle,
669 		    cookie->wc_size);
670 	DPRINTF("%#lx-%#x\n", cookie->wc_handle, cookie->wc_size);
671 	free(cookie, M_DEVBUF);
672 }
673 
674 STATIC int
675 hd64461pcmcia_chip_io_alloc(pcmcia_chipset_handle_t pch, bus_addr_t start,
676     bus_size_t size, bus_size_t align, struct pcmcia_io_handle *pcihp)
677 {
678 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
679 
680 	if (ch->ch_channel == CHANNEL_1)
681 		return (1);
682 
683 	if (start) {
684 		if (bus_space_map(ch->ch_iot, start, size, 0, &pcihp->ioh)) {
685 			DPRINTF("couldn't map %#lx+%#lx\n", start, size);
686 			return (1);
687 		}
688 		DPRINTF("map %#lx+%#lx\n", start, size);
689 	} else {
690 		if (bus_space_alloc(ch->ch_iot, ch->ch_iobase,
691 		    ch->ch_iobase + ch->ch_iosize - 1,
692 		    size, align, 0, 0, &pcihp->addr,
693 		    &pcihp->ioh)) {
694 			DPRINTF("couldn't allocate %#lx\n", size);
695 			return (1);
696 		}
697 		pcihp->flags = PCMCIA_IO_ALLOCATED;
698 		DPRINTF("%#lx from %#lx\n", size, pcihp->addr);
699 	}
700 
701 	pcihp->iot = ch->ch_iot;
702 	pcihp->size = size;
703 
704 	return (0);
705 }
706 
707 STATIC int
708 hd64461pcmcia_chip_io_map(pcmcia_chipset_handle_t pch, int width,
709     bus_addr_t offset,
710     bus_size_t size, struct pcmcia_io_handle *pcihp, int *windowp)
711 {
712 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
713 #ifdef HD64461PCMCIA_DEBUG
714 	static const char *width_names[] = { "auto", "io8", "io16" };
715 #endif
716 	if (ch->ch_channel == CHANNEL_1)
717 		return (1);
718 
719 	hd64461_set_bus_width(CHANNEL_0, width);
720 
721 	/* fake.  drivers init that to -1 and check if it was changed. */
722 	*windowp = 0;
723 
724 	DPRINTF("%#lx:%#lx+%#lx %s\n", pcihp->ioh, offset, size,
725 	    width_names[width]);
726 
727 	return (0);
728 }
729 
730 STATIC void
731 hd64461pcmcia_chip_io_free(pcmcia_chipset_handle_t pch,
732     struct pcmcia_io_handle *pcihp)
733 {
734 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
735 
736 	if (ch->ch_channel == CHANNEL_1)
737 		return;
738 
739 	if (pcihp->flags & PCMCIA_IO_ALLOCATED)
740 		bus_space_free(pcihp->iot, pcihp->ioh, pcihp->size);
741 	else
742 		bus_space_unmap(pcihp->iot, pcihp->ioh, pcihp->size);
743 
744 	DPRINTF("%#lx+%#lx\n", pcihp->ioh, pcihp->size);
745 }
746 
747 STATIC void
748 hd64461pcmcia_chip_io_unmap(pcmcia_chipset_handle_t pch, int window)
749 {
750 
751 	/* nothing to do */
752 }
753 
754 STATIC void
755 hd64461pcmcia_chip_socket_enable(pcmcia_chipset_handle_t pch)
756 {
757 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
758 	int channel = ch->ch_channel;
759 	bus_addr_t isr, gcr;
760 	uint8_t r;
761 	int i;
762 
763 	DPRINTF("enable channel %d\n", channel);
764 	isr = HD64461_PCCISR(channel);
765 	gcr = HD64461_PCCGCR(channel);
766 
767 	hd64461pcmcia_power_off(channel);
768 	hd64461pcmcia_power_on(channel);
769 
770 	/* assert reset, set card type to memory */
771 	r = hd64461_reg_read_1(gcr);
772 	r |= HD64461_PCCGCR_PCCR;
773 	r &= ~HD64461_PCC0GCR_P0PCCT;
774 	hd64461_reg_write_1(gcr, r);
775 
776 	/*
777 	 * hold RESET at least 10us.
778 	 */
779 	DELAY_MS(20);
780 
781 	/* clear the reset flag */
782 	r &= ~HD64461_PCCGCR_PCCR;
783 	hd64461_reg_write_1(gcr, r);
784 	DELAY_MS(2000);
785 
786 	/* wait for the chip to finish initializing */
787 	for (i = 0; i < 10000; i++) {
788 		if ((hd64461_reg_read_1(isr) & HD64461_PCCISR_READY))
789 			goto reset_ok;
790 		DELAY_MS(500);
791 
792 		if ((i > 5000) && (i % 100 == 99))
793 			printf(".");
794 	}
795 	printf("reset failed.\n");
796 	hd64461pcmcia_power_off(channel);
797 	return;
798 
799  reset_ok:
800 	/* set Continuous 16-MB Area Mode */
801 	ch->ch_memory_window_mode = MEMWIN_16M_MODE;
802 	hd64461pcmcia_memory_window_mode(channel, ch->ch_memory_window_mode);
803 
804 	/*
805 	 * set Common memory area.
806 	 */
807 	hd64461pcmcia_memory_window_16(channel, MEMWIN_16M_COMMON_0);
808 
809 	DPRINTF("OK.\n");
810 }
811 
812 STATIC void
813 hd64461pcmcia_chip_socket_settype(pcmcia_chipset_handle_t pch, int type)
814 {
815 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
816 	int channel = ch->ch_channel;
817 	bus_addr_t gcr;
818 	uint8_t r;
819 
820 	DPRINTF("settype channel %d\n", channel);
821 	gcr = HD64461_PCCGCR(channel);
822 
823 	/* set the card type */
824 	r = hd64461_reg_read_1(gcr);
825 	if (channel == CHANNEL_0) {
826 		if (type == PCMCIA_IFTYPE_IO)
827 			r |= HD64461_PCC0GCR_P0PCCT;
828 		else
829 			r &= ~HD64461_PCC0GCR_P0PCCT;
830 	} else {
831 		/* reserved bit must be 0 */
832  		r &= ~HD64461_PCC1GCR_RESERVED;
833 	}
834 	hd64461_reg_write_1(gcr, r);
835 
836 	DPRINTF("OK.\n");
837 }
838 
839 STATIC void
840 hd64461pcmcia_chip_socket_disable(pcmcia_chipset_handle_t pch)
841 {
842 	struct hd64461pcmcia_channel *ch = (struct hd64461pcmcia_channel *)pch;
843 	int channel = ch->ch_channel;
844 
845 	/* dont' disable CSC interrupt */
846 	hd64461_reg_write_1(HD64461_PCCCSCIER(channel), HD64461_PCCCSCIER_CDE);
847 	hd64461_reg_write_1(HD64461_PCCCSCR(channel), 0);
848 
849 	/* power down the socket */
850 	hd64461pcmcia_power_off(channel);
851 }
852 
853 /*
854  * Card detect
855  */
856 STATIC void
857 hd64461pcmcia_power_off(enum controller_channel channel)
858 {
859 	uint8_t r;
860 	uint16_t r16;
861 	bus_addr_t scr, gcr;
862 
863 	gcr = HD64461_PCCGCR(channel);
864 	scr = HD64461_PCCSCR(channel);
865 
866 	/* DRV (external buffer) high level */
867 	r = hd64461_reg_read_1(gcr);
868 	r &= ~HD64461_PCCGCR_DRVE;
869 	hd64461_reg_write_1(gcr, r);
870 
871 	/* stop power */
872 	r = hd64461_reg_read_1(scr);
873 	r |= HD64461_PCCSCR_VCC1; /* VCC1 high */
874 	hd64461_reg_write_1(scr, r);
875 	r = hd64461_reg_read_1(gcr);
876 	r |= HD64461_PCCGCR_VCC0; /* VCC0 high */
877 	hd64461_reg_write_1(gcr, r);
878 	/*
879 	 * wait 300ms until power fails (Tpf).  Then, wait 100ms since
880 	 * we are changing Vcc (Toff).
881 	 */
882 	DELAY_MS(300 + 100);
883 
884 	/* stop clock */
885 	r16 = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16);
886 	r16 |= (channel == CHANNEL_0 ? HD64461_SYSSTBCR_SPC0ST :
887 	    HD64461_SYSSTBCR_SPC1ST);
888 	hd64461_reg_write_2(HD64461_SYSSTBCR_REG16, r16);
889 }
890 
891 STATIC void
892 hd64461pcmcia_power_on(enum controller_channel channel)
893 {
894 	uint8_t r;
895 	uint16_t r16;
896 	bus_addr_t gcr, isr;
897 
898 	isr = HD64461_PCCISR(channel);
899 	gcr = HD64461_PCCGCR(channel);
900 	(void)HD64461_PCCSCR(channel);
901 
902 	/*
903 	 * XXX to access attribute memory, this is required.
904 	 */
905 	if (channel == CHANNEL_0) {
906 		/* GPIO Port A XXX Jonanada690 specific? */
907 		r16 = hd64461_reg_read_2(HD64461_GPADR_REG16);
908 		r16 &= ~0xf;
909 		r16 |= 0x5;
910 		hd64461_reg_write_2(HD64461_GPADR_REG16, r16);
911 	}
912 
913 	if (channel == CHANNEL_1) {
914 		/* GPIO Port C, Port D -> PCC1 pin
915 		 *  I assume SYSCR[1:0] == 0
916 		 */
917 		hd64461_reg_write_2(HD64461_GPCCR_REG16, 0xa800);
918 		hd64461_reg_write_2(HD64461_GPDCR_REG16, 0xaa0a);
919 	}
920 
921 	/* supply clock */
922 	r16 = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16);
923 	r16 &= ~(channel == CHANNEL_0 ? HD64461_SYSSTBCR_SPC0ST :
924 	    HD64461_SYSSTBCR_SPC1ST);
925 	hd64461_reg_write_2(HD64461_SYSSTBCR_REG16, r16);
926 	DELAY_MS(200);
927 
928 	/* detect voltage and supply VCC */
929 	r = hd64461_reg_read_1(isr);
930 
931 	switch (r & (HD64461_PCCISR_VS1 | HD64461_PCCISR_VS2)) {
932 	case (HD64461_PCCISR_VS1 | HD64461_PCCISR_VS2): /* 5 V */
933 		DPRINTF("5V card\n");
934 		hd64461pcmcia_power(channel, V_5, 1);
935 		break;
936 	case HD64461_PCCISR_VS2:	/* 3.3 / 5 V */
937 		/* FALLTHROUGH */
938 	case 0:				/* x.x / 3.3 / 5 V */
939 		DPRINTF("3.3V card\n");
940 		hd64461pcmcia_power(channel, V_3_3, 1);
941 		break;
942 	case HD64461_PCCISR_VS1:	/* x.x V */
943 		/* FALLTHROUGH */
944 		DPRINTF("x.x V card\n");
945 		hd64461pcmcia_power(channel, V_X_X, 1);
946 		return;
947 	default:
948 		printf("\nunknown Voltage. don't attach.\n");
949 		return;
950 	}
951 
952 	/*
953 	 * wait 100ms until power raise (Tpr) and 20ms to become
954 	 * stable (Tsu(Vcc)).
955 	 *
956 	 * some machines require some more time to be settled
957 	 * (300ms is added here).
958 	 */
959 	DELAY_MS(100 + 20 + 300);
960 
961 	/* DRV (external buffer) low level */
962 	r = hd64461_reg_read_1(gcr);
963 	r |= HD64461_PCCGCR_DRVE;
964 	hd64461_reg_write_1(gcr, r);
965 
966 	/* clear interrupt */
967 	hd64461_reg_write_1(channel == CHANNEL_0 ? HD64461_PCC0CSCR_REG8 :
968 	    HD64461_PCC1CSCR_REG8, 0);
969 }
970 
971 STATIC enum hd64461pcmcia_event_type
972 detect_card(enum controller_channel channel)
973 {
974 	uint8_t r;
975 
976 	r = hd64461_reg_read_1(HD64461_PCCISR(channel)) &
977 	    (HD64461_PCCISR_CD2 | HD64461_PCCISR_CD1);
978 
979 	if (r == (HD64461_PCCISR_CD2 | HD64461_PCCISR_CD1)) {
980 		DPRINTF("remove\n");
981 		return EVENT_REMOVE;
982 	}
983 	if (r == 0) {
984 		DPRINTF("insert\n");
985 		return EVENT_INSERT;
986 	}
987 	DPRINTF("transition\n");
988 
989 	return EVENT_NONE;
990 }
991 
992 /*
993  * Memory window access ops.
994  */
995 STATIC void
996 hd64461pcmcia_memory_window_mode(enum controller_channel channel,
997     enum memory_window_mode mode)
998 {
999 	bus_addr_t a = HD64461_PCCGCR(channel);
1000 	uint8_t r = hd64461_reg_read_1(a);
1001 
1002 	r &= ~HD64461_PCCGCR_MMOD;
1003 	r |= (mode == MEMWIN_16M_MODE) ? HD64461_PCCGCR_MMOD_16M :
1004 	    HD64461_PCCGCR_MMOD_32M;
1005 	hd64461_reg_write_1(a, r);
1006 }
1007 
1008 STATIC void
1009 hd64461pcmcia_memory_window_16(enum controller_channel channel,
1010     enum memory_window_16 window)
1011 {
1012 	bus_addr_t a = HD64461_PCCGCR(channel);
1013 	uint8_t r;
1014 
1015 	r = hd64461_reg_read_1(a);
1016 	r &= ~(HD64461_PCCGCR_PA25 | HD64461_PCCGCR_PA24);
1017 
1018 	switch (window) {
1019 	case MEMWIN_16M_COMMON_0:
1020 		break;
1021 	case MEMWIN_16M_COMMON_1:
1022 		r |= HD64461_PCCGCR_PA24;
1023 		break;
1024 	case MEMWIN_16M_COMMON_2:
1025 		r |= HD64461_PCCGCR_PA25;
1026 		break;
1027 	case MEMWIN_16M_COMMON_3:
1028 		r |= (HD64461_PCCGCR_PA25 | HD64461_PCCGCR_PA24);
1029 		break;
1030 	}
1031 
1032 	hd64461_reg_write_1(a, r);
1033 }
1034 
1035 #if unused
1036 STATIC void
1037 memory_window_32(enum controller_channel channel, enum memory_window_32 window)
1038 {
1039 	bus_addr_t a = HD64461_PCCGCR(channel);
1040 	uint8_t r;
1041 
1042 	r = hd64461_reg_read_1(a);
1043 	r &= ~(HD64461_PCCGCR_PA25 | HD64461_PCCGCR_PREG);
1044 
1045 	switch (window) {
1046 	case MEMWIN_32M_ATTR:
1047 		break;
1048 	case MEMWIN_32M_COMMON_0:
1049 		r |= HD64461_PCCGCR_PREG;
1050 		break;
1051 	case MEMWIN_32M_COMMON_1:
1052 		r |= (HD64461_PCCGCR_PA25 | HD64461_PCCGCR_PREG);
1053 		break;
1054 	}
1055 
1056 	hd64461_reg_write_1(a, r);
1057 }
1058 #endif
1059 
1060 STATIC void
1061 hd64461_set_bus_width(enum controller_channel channel, int width)
1062 {
1063 	unsigned int area, buswidth;
1064 	uint16_t bcr2;
1065 
1066 	if (channel == CHANNEL_0)
1067 		area = BCR2_AREA6_SHIFT;
1068 	else
1069 		area = BCR2_AREA5_SHIFT;
1070 
1071 	if (width == PCMCIA_WIDTH_IO8)
1072 		buswidth = BCR2_AREA_WIDTH_8;
1073 	else
1074 		buswidth = BCR2_AREA_WIDTH_16;
1075 
1076 	bcr2 = _reg_read_2(SH3_BCR2);
1077 
1078 	bcr2 &= ~(BCR2_AREA_WIDTH_MASK << area);
1079 	bcr2 |= buswidth << area;
1080 
1081 	_reg_write_2(SH3_BCR2, bcr2);
1082 }
1083 
1084 STATIC void
1085 fixup_sh3_pcmcia_area(bus_space_tag_t t)
1086 {
1087 	struct hpcsh_bus_space *hbs = (void *)t;
1088 
1089 	hbs->hbs_w_1	= _sh3_pcmcia_bug_write_1;
1090 	hbs->hbs_wm_1	= _sh3_pcmcia_bug_write_multi_1;
1091 	hbs->hbs_wr_1	= _sh3_pcmcia_bug_write_region_1;
1092 	hbs->hbs_sm_1	= _sh3_pcmcia_bug_set_multi_1;
1093 }
1094 
1095 #ifdef HD64461PCMCIA_DEBUG
1096 STATIC void
1097 hd64461pcmcia_info(struct hd64461pcmcia_softc *sc)
1098 {
1099 	uint8_t r8;
1100 
1101 	dbg_banner_function();
1102 	/*
1103 	 * PCC0
1104 	 */
1105 	printf("[PCC0 memory and I/O card (SH3 Area 6)]\n");
1106 	printf("PCC0 Interface Status Register\n");
1107 	r8 = hd64461_reg_read_1(HD64461_PCC0ISR_REG8);
1108 
1109 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC0ISR_##m, #m)
1110 	_(P0READY);_(P0MWP);_(P0VS2);_(P0VS1);_(P0CD2);_(P0CD1);
1111 	_(P0BVD2);_(P0BVD1);
1112 #undef _
1113 	printf("\n");
1114 
1115 	printf("PCC0 General Control Register\n");
1116 	r8 = hd64461_reg_read_1(HD64461_PCC0GCR_REG8);
1117 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC0GCR_##m, #m)
1118 	_(P0DRVE);_(P0PCCR);_(P0PCCT);_(P0VCC0);_(P0MMOD);
1119 	_(P0PA25);_(P0PA24);_(P0REG);
1120 #undef _
1121 	printf("\n");
1122 
1123 	printf("PCC0 Card Status Change Register\n");
1124 	r8 = hd64461_reg_read_1(HD64461_PCC0CSCR_REG8);
1125 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC0CSCR_##m, #m)
1126 	_(P0SCDI);_(P0IREQ);_(P0SC);_(P0CDC);_(P0RC);_(P0BW);_(P0BD);
1127 #undef _
1128 	printf("\n");
1129 
1130 	printf("PCC0 Card Status Change Interrupt Enable Register\n");
1131 	r8 = hd64461_reg_read_1(HD64461_PCC0CSCIER_REG8);
1132 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC0CSCIER_##m, #m)
1133 	_(P0CRE);_(P0SCE);_(P0CDE);_(P0RE);_(P0BWE);_(P0BDE);
1134 #undef _
1135 	printf("\ninterrupt type: ");
1136 	switch (r8 & HD64461_PCC0CSCIER_P0IREQE_MASK) {
1137 	case HD64461_PCC0CSCIER_P0IREQE_NONE:
1138 		printf("none\n");
1139 		break;
1140 	case HD64461_PCC0CSCIER_P0IREQE_LEVEL:
1141 		printf("level\n");
1142 		break;
1143 	case HD64461_PCC0CSCIER_P0IREQE_FEDGE:
1144 		printf("falling edge\n");
1145 		break;
1146 	case HD64461_PCC0CSCIER_P0IREQE_REDGE:
1147 		printf("rising edge\n");
1148 		break;
1149 	}
1150 
1151 	printf("PCC0 Software Control Register\n");
1152 	r8 = hd64461_reg_read_1(HD64461_PCC0SCR_REG8);
1153 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC0SCR_##m, #m)
1154 	_(P0VCC1);_(P0SWP);
1155 #undef _
1156 	printf("\n");
1157 
1158 	/*
1159 	 * PCC1
1160 	 */
1161 	printf("[PCC1 memory card only (SH3 Area 5)]\n");
1162 	printf("PCC1 Interface Status Register\n");
1163 	r8 = hd64461_reg_read_1(HD64461_PCC1ISR_REG8);
1164 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC1ISR_##m, #m)
1165 	_(P1READY);_(P1MWP);_(P1VS2);_(P1VS1);_(P1CD2);_(P1CD1);
1166 	_(P1BVD2);_(P1BVD1);
1167 #undef _
1168 	printf("\n");
1169 
1170 	printf("PCC1 General Contorol Register\n");
1171 	r8 = hd64461_reg_read_1(HD64461_PCC1GCR_REG8);
1172 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC1GCR_##m, #m)
1173 	_(P1DRVE);_(P1PCCR);_(P1VCC0);_(P1MMOD);_(P1PA25);_(P1PA24);_(P1REG);
1174 #undef _
1175 	printf("\n");
1176 
1177 	printf("PCC1 Card Status Change Register\n");
1178 	r8 = hd64461_reg_read_1(HD64461_PCC1CSCR_REG8);
1179 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC1CSCR_##m, #m)
1180 	_(P1SCDI);_(P1CDC);_(P1RC);_(P1BW);_(P1BD);
1181 #undef _
1182 	printf("\n");
1183 
1184 	printf("PCC1 Card Status Change Interrupt Enable Register\n");
1185 	r8 = hd64461_reg_read_1(HD64461_PCC1CSCIER_REG8);
1186 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC1CSCIER_##m, #m)
1187 	_(P1CRE);_(P1CDE);_(P1RE);_(P1BWE);_(P1BDE);
1188 #undef _
1189 	printf("\n");
1190 
1191 	printf("PCC1 Software Control Register\n");
1192 	r8 = hd64461_reg_read_1(HD64461_PCC1SCR_REG8);
1193 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCC1SCR_##m, #m)
1194 	_(P1VCC1);_(P1SWP);
1195 #undef _
1196 	printf("\n");
1197 
1198 	/*
1199 	 * General Control
1200 	 */
1201 	printf("[General Control]\n");
1202 	printf("PCC0 Output pins Control Register\n");
1203 	r8 = hd64461_reg_read_1(HD64461_PCCP0OCR_REG8);
1204 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCCP0OCR_##m, #m)
1205 	_(P0DEPLUP);_(P0AEPLUP);
1206 #undef _
1207 	printf("\n");
1208 
1209 	printf("PCC1 Output pins Control Register\n");
1210 	r8 = hd64461_reg_read_1(HD64461_PCCP1OCR_REG8);
1211 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCCP1OCR_##m, #m)
1212 	_(P1RST8MA);_(P1RST4MA);_(P1RAS8MA);_(P1RAS4MA);
1213 #undef _
1214 	printf("\n");
1215 
1216 	printf("PC Card General Control Register\n");
1217 	r8 = hd64461_reg_read_1(HD64461_PCCPGCR_REG8);
1218 #define	_(m)	dbg_bitmask_print(r8, HD64461_PCCPGCR_##m, #m)
1219 	_(PSSDIR);_(PSSRDWR);
1220 #undef _
1221 	printf("\n");
1222 
1223 	dbg_banner_line();
1224 }
1225 #endif /* HD64461PCMCIA_DEBUG */
1226