xref: /freebsd/sys/powerpc/powermac/macio.c (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright 2002 by Peter Grehan. 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. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 
32 /*
33  * Driver for KeyLargo/Pangea, the MacPPC south bridge ASIC.
34  */
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/malloc.h>
40 #include <sys/module.h>
41 #include <sys/bus.h>
42 #include <sys/rman.h>
43 
44 #include <vm/vm.h>
45 #include <vm/pmap.h>
46 
47 #include <machine/bus.h>
48 #include <machine/intr_machdep.h>
49 #include <machine/resource.h>
50 #include <machine/vmparam.h>
51 
52 #include <dev/ofw/ofw_bus.h>
53 #include <dev/ofw/ofw_bus_subr.h>
54 #include <dev/ofw/openfirm.h>
55 
56 #include <powerpc/powermac/maciovar.h>
57 
58 #include <dev/pci/pcivar.h>
59 #include <dev/pci/pcireg.h>
60 
61 /*
62  * Macio softc
63  */
64 struct macio_softc {
65 	phandle_t    sc_node;
66 	vm_offset_t  sc_base;
67 	vm_offset_t  sc_size;
68 	struct rman  sc_mem_rman;
69 
70 	/* FCR registers */
71 	int          sc_memrid;
72 	struct resource	*sc_memr;
73 };
74 
75 static MALLOC_DEFINE(M_MACIO, "macio", "macio device information");
76 
77 static int  macio_probe(device_t);
78 static int  macio_attach(device_t);
79 static int  macio_print_child(device_t dev, device_t child);
80 static void macio_probe_nomatch(device_t, device_t);
81 static struct   resource *macio_alloc_resource(device_t, device_t, int, int *,
82 					       rman_res_t, rman_res_t, rman_res_t,
83 					       u_int);
84 static int  macio_activate_resource(device_t, device_t, int, int,
85 				    struct resource *);
86 static int  macio_deactivate_resource(device_t, device_t, int, int,
87 				      struct resource *);
88 static int  macio_release_resource(device_t, device_t, int, int,
89 				   struct resource *);
90 static struct resource_list *macio_get_resource_list (device_t, device_t);
91 static ofw_bus_get_devinfo_t macio_get_devinfo;
92 
93 /*
94  * Bus interface definition
95  */
96 static device_method_t macio_methods[] = {
97 	/* Device interface */
98 	DEVMETHOD(device_probe,         macio_probe),
99 	DEVMETHOD(device_attach,        macio_attach),
100 	DEVMETHOD(device_detach,        bus_generic_detach),
101 	DEVMETHOD(device_shutdown,      bus_generic_shutdown),
102 	DEVMETHOD(device_suspend,       bus_generic_suspend),
103 	DEVMETHOD(device_resume,        bus_generic_resume),
104 
105 	/* Bus interface */
106 	DEVMETHOD(bus_print_child,      macio_print_child),
107 	DEVMETHOD(bus_probe_nomatch,    macio_probe_nomatch),
108 	DEVMETHOD(bus_setup_intr,       bus_generic_setup_intr),
109 	DEVMETHOD(bus_teardown_intr,    bus_generic_teardown_intr),
110 
111         DEVMETHOD(bus_alloc_resource,   macio_alloc_resource),
112         DEVMETHOD(bus_release_resource, macio_release_resource),
113         DEVMETHOD(bus_activate_resource, macio_activate_resource),
114         DEVMETHOD(bus_deactivate_resource, macio_deactivate_resource),
115         DEVMETHOD(bus_get_resource_list, macio_get_resource_list),
116 
117 	DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str),
118 
119 	/* ofw_bus interface */
120 	DEVMETHOD(ofw_bus_get_devinfo,	macio_get_devinfo),
121 	DEVMETHOD(ofw_bus_get_compat,	ofw_bus_gen_get_compat),
122 	DEVMETHOD(ofw_bus_get_model,	ofw_bus_gen_get_model),
123 	DEVMETHOD(ofw_bus_get_name,	ofw_bus_gen_get_name),
124 	DEVMETHOD(ofw_bus_get_node,	ofw_bus_gen_get_node),
125 	DEVMETHOD(ofw_bus_get_type,	ofw_bus_gen_get_type),
126 	{ 0, 0 }
127 };
128 
129 static driver_t macio_pci_driver = {
130         "macio",
131         macio_methods,
132 	sizeof(struct macio_softc)
133 };
134 
135 devclass_t macio_devclass;
136 
137 EARLY_DRIVER_MODULE(macio, pci, macio_pci_driver, macio_devclass, 0, 0,
138     BUS_PASS_BUS);
139 
140 /*
141  * PCI ID search table
142  */
143 static struct macio_pci_dev {
144         u_int32_t  mpd_devid;
145 	char    *mpd_desc;
146 } macio_pci_devlist[] = {
147 	{ 0x0017106b, "Paddington I/O Controller" },
148 	{ 0x0022106b, "KeyLargo I/O Controller" },
149 	{ 0x0025106b, "Pangea I/O Controller" },
150 	{ 0x003e106b, "Intrepid I/O Controller" },
151 	{ 0x0041106b, "K2 KeyLargo I/O Controller" },
152 	{ 0x004f106b, "Shasta I/O Controller" },
153 	{ 0, NULL }
154 };
155 
156 /*
157  * Devices to exclude from the probe
158  * XXX some of these may be required in the future...
159  */
160 #define	MACIO_QUIRK_IGNORE		0x00000001
161 #define	MACIO_QUIRK_CHILD_HAS_INTR	0x00000002
162 #define	MACIO_QUIRK_USE_CHILD_REG	0x00000004
163 
164 struct macio_quirk_entry {
165 	const char	*mq_name;
166 	int		mq_quirks;
167 };
168 
169 static struct macio_quirk_entry macio_quirks[] = {
170 	{ "escc-legacy",		MACIO_QUIRK_IGNORE },
171 	{ "timer",			MACIO_QUIRK_IGNORE },
172 	{ "escc",			MACIO_QUIRK_CHILD_HAS_INTR },
173         { "i2s", 			MACIO_QUIRK_CHILD_HAS_INTR |
174 					MACIO_QUIRK_USE_CHILD_REG },
175 	{ NULL,				0 }
176 };
177 
178 static int
179 macio_get_quirks(const char *name)
180 {
181         struct	macio_quirk_entry *mqe;
182 
183         for (mqe = macio_quirks; mqe->mq_name != NULL; mqe++)
184                 if (strcmp(name, mqe->mq_name) == 0)
185                         return (mqe->mq_quirks);
186         return (0);
187 }
188 
189 /*
190  * Add an interrupt to the dev's resource list if present
191  */
192 static void
193 macio_add_intr(phandle_t devnode, struct macio_devinfo *dinfo)
194 {
195 	phandle_t iparent;
196 	int	*intr;
197 	int	i, nintr;
198 	int 	icells;
199 
200 	if (dinfo->mdi_ninterrupts >= 6) {
201 		printf("macio: device has more than 6 interrupts\n");
202 		return;
203 	}
204 
205 	nintr = OF_getprop_alloc_multi(devnode, "interrupts", sizeof(*intr),
206 		(void **)&intr);
207 	if (nintr == -1) {
208 		nintr = OF_getprop_alloc_multi(devnode, "AAPL,interrupts",
209 			sizeof(*intr), (void **)&intr);
210 		if (nintr == -1)
211 			return;
212 	}
213 
214 	if (intr[0] == -1)
215 		return;
216 
217 	if (OF_getprop(devnode, "interrupt-parent", &iparent, sizeof(iparent))
218 	    <= 0)
219 		panic("Interrupt but no interrupt parent!\n");
220 
221 	if (OF_getprop(OF_node_from_xref(iparent), "#interrupt-cells", &icells,
222 	    sizeof(icells)) <= 0)
223 		icells = 1;
224 
225 	for (i = 0; i < nintr; i+=icells) {
226 		u_int irq = MAP_IRQ(iparent, intr[i]);
227 
228 		resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ,
229 		    dinfo->mdi_ninterrupts, irq, irq, 1);
230 
231 		dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = irq;
232 		dinfo->mdi_ninterrupts++;
233 	}
234 }
235 
236 static void
237 macio_add_reg(phandle_t devnode, struct macio_devinfo *dinfo)
238 {
239 	struct		macio_reg *reg, *regp;
240 	phandle_t 	child;
241 	char		buf[8];
242 	int		i, layout_id = 0, nreg, res;
243 
244 	nreg = OF_getprop_alloc_multi(devnode, "reg", sizeof(*reg), (void **)&reg);
245 	if (nreg == -1)
246 		return;
247 
248         /*
249          *  Some G5's have broken properties in the i2s-a area. If so we try
250          *  to fix it. Right now we know of two different cases, one for
251          *  sound layout-id 36 and the other one for sound layout-id 76.
252          *  What is missing is the base address for the memory addresses.
253          *  We take them from the parent node (i2s) and use the size
254          *  information from the child.
255          */
256 
257         if (reg[0].mr_base == 0) {
258 		child = OF_child(devnode);
259 		while (child != 0) {
260 			res = OF_getprop(child, "name", buf, sizeof(buf));
261 			if (res > 0 && strcmp(buf, "sound") == 0)
262 				break;
263 			child = OF_peer(child);
264 		}
265 
266                 res = OF_getprop(child, "layout-id", &layout_id,
267 				sizeof(layout_id));
268 
269                 if (res > 0 && (layout_id == 36 || layout_id == 76)) {
270                         res = OF_getprop_alloc_multi(OF_parent(devnode), "reg",
271 						sizeof(*regp), (void **)&regp);
272                         reg[0] = regp[0];
273                         reg[1].mr_base = regp[1].mr_base;
274                         reg[2].mr_base = regp[1].mr_base + reg[1].mr_size;
275                 }
276         }
277 
278 	for (i = 0; i < nreg; i++) {
279 		resource_list_add(&dinfo->mdi_resources, SYS_RES_MEMORY, i,
280 		    reg[i].mr_base, reg[i].mr_base + reg[i].mr_size,
281 		    reg[i].mr_size);
282 	}
283 }
284 
285 /*
286  * PCI probe
287  */
288 static int
289 macio_probe(device_t dev)
290 {
291         int i;
292         u_int32_t devid;
293 
294         devid = pci_get_devid(dev);
295         for (i = 0; macio_pci_devlist[i].mpd_desc != NULL; i++) {
296                 if (devid == macio_pci_devlist[i].mpd_devid) {
297                         device_set_desc(dev, macio_pci_devlist[i].mpd_desc);
298                         return (0);
299                 }
300         }
301 
302         return (ENXIO);
303 }
304 
305 /*
306  * PCI attach: scan Open Firmware child nodes, and attach these as children
307  * of the macio bus
308  */
309 static int
310 macio_attach(device_t dev)
311 {
312 	struct macio_softc *sc;
313         struct macio_devinfo *dinfo;
314         phandle_t  root;
315 	phandle_t  child;
316 	phandle_t  subchild;
317         device_t cdev;
318         u_int reg[3];
319 	char compat[32];
320 	int error, quirks;
321 
322 	sc = device_get_softc(dev);
323 	root = sc->sc_node = ofw_bus_get_node(dev);
324 
325 	/*
326 	 * Locate the device node and it's base address
327 	 */
328 	if (OF_getprop(root, "assigned-addresses",
329 		       reg, sizeof(reg)) < (ssize_t)sizeof(reg)) {
330 		return (ENXIO);
331 	}
332 
333 	/* Used later to see if we have to enable the I2S part. */
334 	OF_getprop(root, "compatible", compat, sizeof(compat));
335 
336 	sc->sc_base = reg[2];
337 	sc->sc_size = MACIO_REG_SIZE;
338 
339 	sc->sc_memrid = PCIR_BAR(0);
340 	sc->sc_memr = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
341 	    &sc->sc_memrid, RF_ACTIVE);
342 
343 	sc->sc_mem_rman.rm_type = RMAN_ARRAY;
344 	sc->sc_mem_rman.rm_descr = "MacIO Device Memory";
345 	error = rman_init(&sc->sc_mem_rman);
346 	if (error) {
347 		device_printf(dev, "rman_init() failed. error = %d\n", error);
348 		return (error);
349 	}
350 	error = rman_manage_region(&sc->sc_mem_rman, 0, sc->sc_size);
351 	if (error) {
352 		device_printf(dev,
353 		    "rman_manage_region() failed. error = %d\n", error);
354 		return (error);
355 	}
356 
357 	/*
358 	 * Iterate through the sub-devices
359 	 */
360 	for (child = OF_child(root); child != 0; child = OF_peer(child)) {
361 		dinfo = malloc(sizeof(*dinfo), M_MACIO, M_WAITOK | M_ZERO);
362 		if (ofw_bus_gen_setup_devinfo(&dinfo->mdi_obdinfo, child) !=
363 		    0) {
364 			free(dinfo, M_MACIO);
365 			continue;
366 		}
367 		quirks = macio_get_quirks(dinfo->mdi_obdinfo.obd_name);
368 		if ((quirks & MACIO_QUIRK_IGNORE) != 0) {
369 			ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo);
370 			free(dinfo, M_MACIO);
371 			continue;
372 		}
373 		resource_list_init(&dinfo->mdi_resources);
374 		dinfo->mdi_ninterrupts = 0;
375 		macio_add_intr(child, dinfo);
376 		if ((quirks & MACIO_QUIRK_USE_CHILD_REG) != 0)
377 			macio_add_reg(OF_child(child), dinfo);
378 		else
379 			macio_add_reg(child, dinfo);
380 		if ((quirks & MACIO_QUIRK_CHILD_HAS_INTR) != 0)
381 			for (subchild = OF_child(child); subchild != 0;
382 			    subchild = OF_peer(subchild))
383 				macio_add_intr(subchild, dinfo);
384 		cdev = device_add_child(dev, NULL, -1);
385 		if (cdev == NULL) {
386 			device_printf(dev, "<%s>: device_add_child failed\n",
387 			    dinfo->mdi_obdinfo.obd_name);
388 			resource_list_free(&dinfo->mdi_resources);
389 			ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo);
390 			free(dinfo, M_MACIO);
391 			continue;
392 		}
393 		device_set_ivars(cdev, dinfo);
394 
395 		/* Set FCRs to enable some devices */
396 		if (sc->sc_memr == NULL)
397 			continue;
398 
399 		if (strcmp(ofw_bus_get_name(cdev), "bmac") == 0 ||
400 		    (ofw_bus_get_compat(cdev) != NULL &&
401 		    strcmp(ofw_bus_get_compat(cdev), "bmac+") == 0)) {
402 			uint32_t fcr;
403 
404 			fcr = bus_read_4(sc->sc_memr, HEATHROW_FCR);
405 
406 			fcr |= FCR_ENET_ENABLE & ~FCR_ENET_RESET;
407 			bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
408 			DELAY(50000);
409 			fcr |= FCR_ENET_RESET;
410 			bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
411 			DELAY(50000);
412 			fcr &= ~FCR_ENET_RESET;
413 			bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
414 			DELAY(50000);
415 
416 			bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr);
417 		}
418 
419 		/*
420 		 * Make sure the I2S0 and the I2S0_CLK are enabled.
421 		 * On certain G5's they are not.
422 		 */
423 		if ((strcmp(ofw_bus_get_name(cdev), "i2s") == 0) &&
424 		    (strcmp(compat, "K2-Keylargo") == 0)) {
425 			uint32_t fcr1;
426 
427 			fcr1 = bus_read_4(sc->sc_memr, KEYLARGO_FCR1);
428 			fcr1 |= FCR1_I2S0_CLK_ENABLE | FCR1_I2S0_ENABLE;
429 			bus_write_4(sc->sc_memr, KEYLARGO_FCR1, fcr1);
430 		}
431 	}
432 
433 	return (bus_generic_attach(dev));
434 }
435 
436 static int
437 macio_print_child(device_t dev, device_t child)
438 {
439         struct macio_devinfo *dinfo;
440         struct resource_list *rl;
441         int retval = 0;
442 
443         dinfo = device_get_ivars(child);
444         rl = &dinfo->mdi_resources;
445 
446         retval += bus_print_child_header(dev, child);
447 
448         retval += resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx");
449         retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd");
450 
451         retval += bus_print_child_footer(dev, child);
452 
453         return (retval);
454 }
455 
456 static void
457 macio_probe_nomatch(device_t dev, device_t child)
458 {
459         struct macio_devinfo *dinfo;
460         struct resource_list *rl;
461 	const char *type;
462 
463 	if (bootverbose) {
464 		dinfo = device_get_ivars(child);
465 		rl = &dinfo->mdi_resources;
466 
467 		if ((type = ofw_bus_get_type(child)) == NULL)
468 			type = "(unknown)";
469 		device_printf(dev, "<%s, %s>", type, ofw_bus_get_name(child));
470 		resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx");
471 		resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd");
472 		printf(" (no driver attached)\n");
473 	}
474 }
475 
476 static struct resource *
477 macio_alloc_resource(device_t bus, device_t child, int type, int *rid,
478 		     rman_res_t start, rman_res_t end, rman_res_t count,
479 		     u_int flags)
480 {
481 	struct		macio_softc *sc;
482 	int		needactivate;
483 	struct		resource *rv;
484 	struct		rman *rm;
485 	u_long		adjstart, adjend, adjcount;
486 	struct		macio_devinfo *dinfo;
487 	struct		resource_list_entry *rle;
488 
489 	sc = device_get_softc(bus);
490 	dinfo = device_get_ivars(child);
491 
492 	needactivate = flags & RF_ACTIVE;
493 	flags &= ~RF_ACTIVE;
494 
495 	switch (type) {
496 	case SYS_RES_MEMORY:
497 	case SYS_RES_IOPORT:
498 		rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_MEMORY,
499 		    *rid);
500 		if (rle == NULL) {
501 			device_printf(bus, "no rle for %s memory %d\n",
502 			    device_get_nameunit(child), *rid);
503 			return (NULL);
504 		}
505 
506 		if (start < rle->start)
507 			adjstart = rle->start;
508 		else if (start > rle->end)
509 			adjstart = rle->end;
510 		else
511 			adjstart = start;
512 
513 		if (end < rle->start)
514 			adjend = rle->start;
515 		else if (end > rle->end)
516 			adjend = rle->end;
517 		else
518 			adjend = end;
519 
520 		adjcount = adjend - adjstart;
521 
522 		rm = &sc->sc_mem_rman;
523 		break;
524 
525 	case SYS_RES_IRQ:
526 		/* Check for passthrough from subattachments like macgpio */
527 		if (device_get_parent(child) != bus)
528 			return BUS_ALLOC_RESOURCE(device_get_parent(bus), child,
529 			    type, rid, start, end, count, flags);
530 
531 		rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_IRQ,
532 		    *rid);
533 		if (rle == NULL) {
534 			if (dinfo->mdi_ninterrupts >= 6) {
535 				device_printf(bus,
536 				    "%s has more than 6 interrupts\n",
537 				    device_get_nameunit(child));
538 				return (NULL);
539 			}
540 			resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ,
541 			    dinfo->mdi_ninterrupts, start, start, 1);
542 
543 			dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = start;
544 			dinfo->mdi_ninterrupts++;
545 		}
546 
547 		return (resource_list_alloc(&dinfo->mdi_resources, bus, child,
548 		    type, rid, start, end, count, flags));
549 
550 	default:
551 		device_printf(bus, "unknown resource request from %s\n",
552 			      device_get_nameunit(child));
553 		return (NULL);
554 	}
555 
556 	rv = rman_reserve_resource(rm, adjstart, adjend, adjcount, flags,
557 	    child);
558 	if (rv == NULL) {
559 		device_printf(bus,
560 		    "failed to reserve resource %#lx - %#lx (%#lx) for %s\n",
561 		    adjstart, adjend, adjcount, device_get_nameunit(child));
562 		return (NULL);
563 	}
564 
565 	rman_set_rid(rv, *rid);
566 
567 	if (needactivate) {
568 		if (bus_activate_resource(child, type, *rid, rv) != 0) {
569                         device_printf(bus,
570 				      "failed to activate resource for %s\n",
571 				      device_get_nameunit(child));
572 			rman_release_resource(rv);
573 			return (NULL);
574                 }
575         }
576 
577 	return (rv);
578 }
579 
580 static int
581 macio_release_resource(device_t bus, device_t child, int type, int rid,
582 		       struct resource *res)
583 {
584 	if (rman_get_flags(res) & RF_ACTIVE) {
585 		int error = bus_deactivate_resource(child, type, rid, res);
586 		if (error)
587 			return error;
588 	}
589 
590 	return (rman_release_resource(res));
591 }
592 
593 static int
594 macio_activate_resource(device_t bus, device_t child, int type, int rid,
595 			   struct resource *res)
596 {
597 	struct macio_softc *sc;
598 	void    *p;
599 
600 	sc = device_get_softc(bus);
601 
602 	if (type == SYS_RES_IRQ)
603                 return (bus_activate_resource(bus, type, rid, res));
604 
605 	if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
606 		p = pmap_mapdev((vm_offset_t)rman_get_start(res) + sc->sc_base,
607 				(vm_size_t)rman_get_size(res));
608 		if (p == NULL)
609 			return (ENOMEM);
610 		rman_set_virtual(res, p);
611 		rman_set_bustag(res, &bs_le_tag);
612 		rman_set_bushandle(res, (u_long)p);
613 	}
614 
615 	return (rman_activate_resource(res));
616 }
617 
618 static int
619 macio_deactivate_resource(device_t bus, device_t child, int type, int rid,
620 			  struct resource *res)
621 {
622         /*
623          * If this is a memory resource, unmap it.
624          */
625         if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
626 		u_int32_t psize;
627 
628 		psize = rman_get_size(res);
629 		pmap_unmapdev((vm_offset_t)rman_get_virtual(res), psize);
630 	}
631 
632 	return (rman_deactivate_resource(res));
633 }
634 
635 static struct resource_list *
636 macio_get_resource_list (device_t dev, device_t child)
637 {
638 	struct macio_devinfo *dinfo;
639 
640 	dinfo = device_get_ivars(child);
641 	return (&dinfo->mdi_resources);
642 }
643 
644 static const struct ofw_bus_devinfo *
645 macio_get_devinfo(device_t dev, device_t child)
646 {
647 	struct macio_devinfo *dinfo;
648 
649 	dinfo = device_get_ivars(child);
650 	return (&dinfo->mdi_obdinfo);
651 }
652 
653 int
654 macio_enable_wireless(device_t dev, bool enable)
655 {
656 	struct macio_softc *sc = device_get_softc(dev);
657 	uint32_t x;
658 
659 	if (enable) {
660 		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
661 		x |= 0x4;
662 		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
663 
664 		/* Enable card slot. */
665 		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 5);
666 		DELAY(1000);
667 		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 4);
668 		DELAY(1000);
669 		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
670 		x &= ~0x80000000;
671 
672 		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
673 		/* out8(gpio + 0x10, 4); */
674 
675 		bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0b, 0);
676 		bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0a, 0x28);
677 		bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0d, 0x28);
678 		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0d, 0x28);
679 		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0e, 0x28);
680 		bus_write_4(sc->sc_memr, 0x1c000, 0);
681 
682 		/* Initialize the card. */
683 		bus_write_4(sc->sc_memr, 0x1a3e0, 0x41);
684 		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
685 		x |= 0x80000000;
686 		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
687 	} else {
688 		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
689 		x &= ~0x4;
690 		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
691 		/* out8(gpio + 0x10, 0); */
692 	}
693 
694 	return (0);
695 }
696