1 /* $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $ */
2 /* $FreeBSD: src/sys/dev/pccard/pccard.c,v 1.70 2002/11/14 14:02:32 mux Exp $ */
3 /* $DragonFly: src/sys/bus/pccard/pccard.c,v 1.18 2006/12/20 18:14:37 dillon Exp $ */
6 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Marc Horowitz.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/malloc.h>
37 #include <sys/module.h>
38 #include <sys/kernel.h>
39 #include <sys/queue.h>
40 #include <sys/sysctl.h>
41 #include <sys/types.h>
46 #include <net/ethernet.h>
48 #include <bus/pccard/pccardreg.h>
49 #include <bus/pccard/pccardvar.h>
57 SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters");
60 TUNABLE_INT("hw.pccard.debug", &pccard_debug);
61 SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW,
65 int pccard_cis_debug = 0;
66 TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug);
67 SYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW,
68 &pccard_cis_debug, 0, "pccard CIS debug");
71 #define DPRINTF(arg) if (pccard_debug) printf arg
72 #define DEVPRINTF(arg) if (pccard_debug) device_printf arg
73 #define PRVERBOSE(arg) printf arg
74 #define DEVPRVERBOSE(arg) device_printf arg
77 #define DEVPRINTF(arg)
78 #define PRVERBOSE(arg) if (bootverbose) printf arg
79 #define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg
82 static int pccard_ccr_read(struct pccard_function *pf, int ccr);
83 static void pccard_ccr_write(struct pccard_function *pf, int ccr, int val);
84 static int pccard_attach_card(device_t dev);
85 static int pccard_detach_card(device_t dev);
86 static int pccard_card_gettype(device_t dev, int *type);
87 static void pccard_function_init(struct pccard_function *pf);
88 static void pccard_function_free(struct pccard_function *pf);
89 static int pccard_function_enable(struct pccard_function *pf);
90 static void pccard_function_disable(struct pccard_function *pf);
91 static int pccard_compat_do_probe(device_t bus, device_t dev);
92 static int pccard_compat_do_attach(device_t bus, device_t dev);
93 static int pccard_add_children(device_t dev, int busno);
94 static int pccard_probe(device_t dev);
95 static int pccard_attach(device_t dev);
96 static int pccard_detach(device_t dev);
97 static void pccard_print_resources(struct resource_list *rl,
98 const char *name, int type, int count, const char *format);
99 static int pccard_print_child(device_t dev, device_t child);
100 static int pccard_set_resource(device_t dev, device_t child, int type,
101 int rid, u_long start, u_long count);
102 static int pccard_get_resource(device_t dev, device_t child, int type,
103 int rid, u_long *startp, u_long *countp);
104 static void pccard_delete_resource(device_t dev, device_t child, int type,
106 static int pccard_set_res_flags(device_t dev, device_t child, int type,
107 int rid, u_int32_t flags);
108 static int pccard_set_memory_offset(device_t dev, device_t child, int rid,
109 u_int32_t offset, u_int32_t *deltap);
110 static void pccard_probe_nomatch(device_t cbdev, device_t child);
111 static int pccard_read_ivar(device_t bus, device_t child, int which,
113 static void pccard_driver_added(device_t dev, driver_t *driver);
114 static struct resource *pccard_alloc_resource(device_t dev,
115 device_t child, int type, int *rid, u_long start,
116 u_long end, u_long count, u_int flags);
117 static int pccard_release_resource(device_t dev, device_t child, int type,
118 int rid, struct resource *r);
119 static void pccard_child_detached(device_t parent, device_t dev);
120 static void pccard_intr(void *arg);
121 static int pccard_setup_intr(device_t dev, device_t child,
122 struct resource *irq, int flags, driver_intr_t *intr,
123 void *arg, void **cookiep, lwkt_serialize_t serializer);
124 static int pccard_teardown_intr(device_t dev, device_t child,
125 struct resource *r, void *cookie);
127 static const struct pccard_product *
128 pccard_do_product_lookup(device_t bus, device_t dev,
129 const struct pccard_product *tab, size_t ent_size,
130 pccard_product_match_fn matchfn);
134 pccard_ccr_read(struct pccard_function *pf, int ccr)
136 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh,
137 pf->pf_ccr_offset + ccr));
141 pccard_ccr_write(struct pccard_function *pf, int ccr, int val)
143 if ((pf->ccr_mask) & (1 << (ccr / 2))) {
144 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh,
145 pf->pf_ccr_offset + ccr, val);
150 pccard_attach_card(device_t dev)
152 struct pccard_softc *sc = PCCARD_SOFTC(dev);
153 struct pccard_function *pf;
154 struct pccard_ivar *ivar;
159 * this is here so that when socket_enable calls gettype, trt happens
161 STAILQ_INIT(&sc->card.pf_head);
163 DEVPRINTF((dev, "chip_socket_enable\n"));
164 POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
166 DEVPRINTF((dev, "read_cis\n"));
169 DEVPRINTF((dev, "check_cis_quirks\n"));
170 pccard_check_cis_quirks(dev);
173 * bail now if the card has no functions, or if there was an error in
177 if (sc->card.error) {
178 device_printf(dev, "CARD ERROR!\n");
181 if (STAILQ_EMPTY(&sc->card.pf_head)) {
182 device_printf(dev, "Card has no functions!\n");
186 if (bootverbose || pccard_debug)
187 pccard_print_cis(dev);
189 DEVPRINTF((dev, "functions scanning\n"));
191 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
193 if (STAILQ_EMPTY(&pf->cfe_head)) {
195 "Function %d has no config entries.!\n", i);
202 DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1,
205 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
206 if (STAILQ_EMPTY(&pf->cfe_head))
209 * In NetBSD, the drivers are responsible for activating
210 * each function of a card. I think that in FreeBSD we
211 * want to activate them enough for the usual bus_*_resource
212 * routines will do the right thing. This many mean a
213 * departure from the current NetBSD model.
215 * This seems to work well in practice for most cards.
216 * However, there are two cases that are problematic.
217 * If a driver wishes to pick and chose which config
218 * entry to use, then this method falls down. These
219 * are usually older cards. In addition, there are
220 * some cards that have multiple hardware units on the
221 * cards, but presents only one CIS chain. These cards
222 * are combination cards, but only one of these units
223 * can be on at a time.
225 ivar = kmalloc(sizeof(struct pccard_ivar), M_DEVBUF,
227 child = device_add_child(dev, NULL, -1);
228 device_set_ivars(child, ivar);
232 * XXX We might want to move the next two lines into
233 * XXX the pccard interface layer. For the moment, this
234 * XXX is OK, but some drivers want to pick the config
235 * XXX entry to use as well as some address tweaks (mostly
236 * XXX due to bugs in decode logic that makes some
237 * XXX addresses illegal or broken).
239 pccard_function_init(pf);
240 if (sc->sc_enabled_count == 0)
241 POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
242 if (pccard_function_enable(pf) == 0 &&
243 device_probe_and_attach(child) == 0) {
244 DEVPRINTF((sc->dev, "function %d CCR at %d "
245 "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
246 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
247 pccard_ccr_read(pf, 0x00),
248 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
249 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
250 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
251 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
254 pccard_function_disable(pf);
261 pccard_detach_card(device_t dev)
263 struct pccard_softc *sc = PCCARD_SOFTC(dev);
264 struct pccard_function *pf;
265 struct pccard_config_entry *cfe;
268 * We are running on either the PCCARD socket's event thread
269 * or in user context detaching a device by user request.
271 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
272 int state = device_get_state(pf->dev);
274 if (state == DS_ATTACHED || state == DS_BUSY)
275 device_detach(pf->dev);
277 pccard_function_disable(pf);
278 pccard_function_free(pf);
279 device_delete_child(dev, pf->dev);
281 if (sc->sc_enabled_count == 0)
282 POWER_DISABLE_SOCKET(device_get_parent(dev), dev);
284 while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) {
285 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) {
286 STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list);
287 kfree(cfe, M_DEVBUF);
289 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list);
295 static const struct pccard_product *
296 pccard_do_product_lookup(device_t bus, device_t dev,
297 const struct pccard_product *tab, size_t ent_size,
298 pccard_product_match_fn matchfn)
300 const struct pccard_product *ent;
305 const char *vendorstr;
309 if (sizeof *ent > ent_size)
310 panic("pccard_product_lookup: bogus ent_size %ld",
313 vendor = pccard_get_vendor(dev);
314 prod = pccard_get_product(dev);
315 fcn = pccard_get_function_number(dev);
316 vendorstr = pccard_get_vendor_str(dev);
317 prodstr = pccard_get_product_str(dev);
318 for (ent = tab; ent->pp_name != NULL; ent =
319 (const struct pccard_product *) ((const char *) ent + ent_size)) {
321 if (ent->pp_vendor == PCCARD_VENDOR_ANY &&
322 ent->pp_product == PCCARD_VENDOR_ANY &&
323 ent->pp_cis[0] == NULL &&
324 ent->pp_cis[1] == NULL) {
326 "Total wildcard entry ignored for %s\n",
330 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY &&
331 vendor != ent->pp_vendor)
333 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY &&
334 prod != ent->pp_product)
336 if (matches && fcn != ent->pp_expfunc)
338 if (matches && ent->pp_cis[0] &&
339 strcmp(ent->pp_cis[0], vendorstr) != 0)
341 if (matches && ent->pp_cis[1] &&
342 strcmp(ent->pp_cis[1], prodstr) != 0)
344 /* XXX need to match cis[2] and cis[3] also XXX */
346 matches = (*matchfn)(dev, ent, matches);
354 pccard_card_gettype(device_t dev, int *type)
356 struct pccard_softc *sc = PCCARD_SOFTC(dev);
357 struct pccard_function *pf;
360 * set the iftype to memory if this card has no functions (not yet
361 * probed), or only one function, and that is not initialized yet or
364 pf = STAILQ_FIRST(&sc->card.pf_head);
366 (STAILQ_NEXT(pf, pf_list) == NULL &&
367 (pf->cfe == NULL || pf->cfe->iftype == PCCARD_IFTYPE_MEMORY)))
368 *type = PCCARD_IFTYPE_MEMORY;
370 *type = PCCARD_IFTYPE_IO;
375 * Initialize a PCCARD function. May be called as long as the function is
378 * Note: pccard_function_init should not keep resources allocated. It should
379 * only set them up ala isa pnp, set the values in the rl lists, and return.
380 * Any resource held after pccard_function_init is called is a bug. However,
381 * the bus routines to get the resources also assume that pccard_function_init
382 * does this, so they need to be fixed too.
385 pccard_function_init(struct pccard_function *pf)
387 struct pccard_config_entry *cfe;
389 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
390 struct resource_list *rl = &devi->resources;
391 struct resource_list_entry *rle;
392 struct resource *r = 0;
398 if (pf->pf_flags & PFF_ENABLED) {
399 printf("pccard_function_init: function is enabled");
402 bus = device_get_parent(pf->dev);
403 /* Remember which configuration entry we are using. */
404 STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) {
405 for (i = 0; i < cfe->num_iospace; i++)
406 cfe->iores[i] = NULL;
409 for (i = 0; i < cfe->num_iospace; i++) {
410 start = cfe->iospace[i].start;
412 end = start + cfe->iospace[i].length - 1;
416 DEVPRINTF((bus, "I/O rid %d start %x end %x\n",
418 r = cfe->iores[i] = bus_alloc_resource(bus,
419 SYS_RES_IOPORT, &cfe->iorid[i], start, end,
420 cfe->iospace[i].length,
421 rman_make_alignment_flags(cfe->iospace[i].length));
422 if (cfe->iores[i] == NULL)
424 resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i],
425 rman_get_start(r), rman_get_end(r),
426 cfe->iospace[i].length);
427 rle = resource_list_find(rl, SYS_RES_IOPORT,
432 if (cfe->num_memspace > 0) {
434 * Not implement yet, Fix me.
436 DEVPRINTF((bus, "Memory space not yet implemented.\n"));
439 DEVPRINTF((bus, "Neither memory nor I/O mampped\n"));
444 r = cfe->irqres = bus_alloc_resource(bus, SYS_RES_IRQ,
445 &cfe->irqrid, 0, ~0, 1, 0);
446 if (cfe->irqres == NULL)
448 resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid,
449 rman_get_start(r), rman_get_end(r), 1);
450 rle = resource_list_find(rl, SYS_RES_IRQ,
454 /* If we get to here, we've allocated all we need */
458 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n",
461 * Release resources that we partially allocated
462 * from this config entry.
464 for (i = 0; i < cfe->num_iospace; i++) {
465 if (cfe->iores[i] != NULL) {
466 bus_release_resource(bus, SYS_RES_IOPORT,
467 cfe->iorid[i], cfe->iores[i]);
468 rle = resource_list_find(rl, SYS_RES_IOPORT,
471 resource_list_delete(rl, SYS_RES_IOPORT,
474 cfe->iores[i] = NULL;
476 if (cfe->irqmask && cfe->irqres != NULL) {
477 bus_release_resource(bus, SYS_RES_IRQ,
478 cfe->irqrid, cfe->irqres);
479 rle = resource_list_find(rl, SYS_RES_IRQ,
482 resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid);
489 * Free resources allocated by pccard_function_init(), May be called as long
490 * as the function is disabled.
492 * NOTE: This function should be unnecessary. pccard_function_init should
493 * never keep resources initialized.
496 pccard_function_free(struct pccard_function *pf)
498 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
499 struct resource_list_entry *rle;
501 if (pf->pf_flags & PFF_ENABLED) {
502 printf("pccard_function_init: function is enabled");
506 SLIST_FOREACH(rle, &devi->resources, link) {
508 if (rle->res->r_dev != pf->sc->dev)
509 device_printf(pf->sc->dev,
510 "function_free: Resource still owned by "
512 "(type=%d, rid=%d, addr=%lx)\n",
514 rman_get_start(rle->res));
515 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev),
516 rle->res->r_dev, rle->type, rle->rid, rle->res);
520 resource_list_free(&devi->resources);
524 pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr,
525 bus_addr_t offset, bus_size_t size)
527 bus_size_t iosize, tmp;
530 if (pf->pf_mfc_iomax == 0) {
531 pf->pf_mfc_iobase = addr + offset;
532 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size;
534 if (pf->pf_mfc_iobase > addr + offset)
535 pf->pf_mfc_iobase = addr + offset;
536 if (pf->pf_mfc_iomax < addr + offset + size)
537 pf->pf_mfc_iomax = addr + offset + size;
540 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
541 for (iosize = 1; iosize < tmp; iosize <<= 1)
545 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
546 pf->pf_mfc_iobase & 0xff);
547 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
548 (pf->pf_mfc_iobase >> 8) & 0xff);
549 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
550 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
552 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
555 /* Enable a PCCARD function */
557 pccard_function_enable(struct pccard_function *pf)
559 struct pccard_function *tmp;
561 device_t dev = pf->sc->dev;
563 if (pf->cfe == NULL) {
564 DEVPRVERBOSE((dev, "No config entry could be allocated.\n"));
569 * Increase the reference count on the socket, enabling power, if
572 pf->sc->sc_enabled_count++;
574 if (pf->pf_flags & PFF_ENABLED) {
576 * Don't do anything if we're already enabled.
582 * it's possible for different functions' CCRs to be in the same
583 * underlying page. Check for that.
585 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
586 if ((tmp->pf_flags & PFF_ENABLED) &&
587 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
588 ((pf->ccr_base + PCCARD_CCR_SIZE) <=
589 (tmp->ccr_base - tmp->pf_ccr_offset +
590 tmp->pf_ccr_realsize))) {
591 pf->pf_ccrt = tmp->pf_ccrt;
592 pf->pf_ccrh = tmp->pf_ccrh;
593 pf->pf_ccr_realsize = tmp->pf_ccr_realsize;
596 * pf->pf_ccr_offset = (tmp->pf_ccr_offset -
597 * tmp->ccr_base) + pf->ccr_base;
599 /* pf->pf_ccr_offset =
600 (tmp->pf_ccr_offset + pf->ccr_base) -
602 pf->pf_ccr_window = tmp->pf_ccr_window;
608 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
609 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE);
612 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n",
613 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res),
615 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
616 pf->ccr_rid, PCCARD_A_MEM_ATTR);
617 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev,
618 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset);
619 pf->pf_ccrt = rman_get_bustag(pf->ccr_res);
620 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res);
621 pf->pf_ccr_realsize = 1;
624 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX);
625 reg |= PCCARD_CCR_OPTION_LEVIREQ;
626 if (pccard_mfc(pf->sc)) {
627 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE |
628 PCCARD_CCR_OPTION_ADDR_DECODE);
629 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */
631 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
634 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0)
635 reg |= PCCARD_CCR_STATUS_IOIS8;
636 if (pf->cfe->flags & PCCARD_CFE_AUDIO)
637 reg |= PCCARD_CCR_STATUS_AUDIO;
638 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);
640 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0);
642 if (pccard_mfc(pf->sc))
643 pccard_mfc_adjust_iobase(pf, 0, 0, 0);
647 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
648 device_printf(tmp->sc->dev,
649 "function %d CCR at %d offset %x: "
650 "%x %x %x %x, %x %x %x %x, %x\n",
651 tmp->number, tmp->pf_ccr_window,
653 pccard_ccr_read(tmp, 0x00),
654 pccard_ccr_read(tmp, 0x02),
655 pccard_ccr_read(tmp, 0x04),
656 pccard_ccr_read(tmp, 0x06),
657 pccard_ccr_read(tmp, 0x0A),
658 pccard_ccr_read(tmp, 0x0C),
659 pccard_ccr_read(tmp, 0x0E),
660 pccard_ccr_read(tmp, 0x10),
661 pccard_ccr_read(tmp, 0x12));
665 pf->pf_flags |= PFF_ENABLED;
670 * Decrement the reference count, and power down the socket, if
673 pf->sc->sc_enabled_count--;
674 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count));
679 /* Disable PCCARD function. */
681 pccard_function_disable(struct pccard_function *pf)
683 struct pccard_function *tmp;
684 device_t dev = pf->sc->dev;
687 panic("pccard_function_disable: function not initialized");
689 if ((pf->pf_flags & PFF_ENABLED) == 0) {
691 * Don't do anything if we're already disabled.
696 if (pf->intr_handler != NULL) {
697 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
698 struct resource_list_entry *rle =
699 resource_list_find(&devi->resources, SYS_RES_IRQ, 0);
700 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res,
701 pf->intr_handler_cookie);
705 * it's possible for different functions' CCRs to be in the same
706 * underlying page. Check for that. Note we mark us as disabled
707 * first to avoid matching ourself.
710 pf->pf_flags &= ~PFF_ENABLED;
711 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
712 if ((tmp->pf_flags & PFF_ENABLED) &&
713 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
714 ((pf->ccr_base + PCCARD_CCR_SIZE) <=
715 (tmp->ccr_base - tmp->pf_ccr_offset +
716 tmp->pf_ccr_realsize)))
720 /* Not used by anyone else; unmap the CCR. */
722 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid,
728 * Decrement the reference count, and power down the socket, if
731 pf->sc->sc_enabled_count--;
735 * simulate the old "probe" routine. In the new world order, the driver
736 * needs to grab devices while in the old they were assigned to the device by
737 * the pccardd process. These symbols are exported to the upper layers.
740 pccard_compat_do_probe(device_t bus, device_t dev)
742 return (CARD_COMPAT_MATCH(dev));
746 pccard_compat_do_attach(device_t bus, device_t dev)
750 err = CARD_COMPAT_PROBE(dev);
752 err = CARD_COMPAT_ATTACH(dev);
756 #define PCCARD_NPORT 2
757 #define PCCARD_NMEM 5
758 #define PCCARD_NIRQ 1
759 #define PCCARD_NDRQ 0
762 pccard_add_children(device_t dev, int busno)
764 /* Call parent to scan for any current children */
769 pccard_probe(device_t dev)
771 device_set_desc(dev, "16-bit PCCard bus");
772 return (pccard_add_children(dev, device_get_unit(dev)));
776 pccard_attach(device_t dev)
778 struct pccard_softc *sc = PCCARD_SOFTC(dev);
781 sc->sc_enabled_count = 0;
782 return (bus_generic_attach(dev));
786 pccard_detach(device_t dev)
788 pccard_detach_card(dev);
793 pccard_suspend(device_t self)
795 pccard_detach_card(self);
800 pccard_shutdown(device_t self)
802 pccard_detach_card(self);
803 bus_generic_shutdown(self);
808 pccard_resume(device_t self)
814 pccard_print_resources(struct resource_list *rl, const char *name, int type,
815 int count, const char *format)
817 struct resource_list_entry *rle;
822 for (i = 0; i < count; i++) {
823 rle = resource_list_find(rl, type, i);
826 printf(" %s ", name);
827 else if (printed > 0)
830 printf(format, rle->start);
831 if (rle->count > 1) {
833 printf(format, rle->start + rle->count - 1);
836 /* check the first few regardless */
843 pccard_print_child(device_t dev, device_t child)
845 struct pccard_ivar *devi = PCCARD_IVAR(child);
846 struct resource_list *rl = &devi->resources;
849 retval += bus_print_child_header(dev, child);
850 retval += printf(" at");
853 pccard_print_resources(rl, "port", SYS_RES_IOPORT,
854 PCCARD_NPORT, "%#lx");
855 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY,
856 PCCARD_NMEM, "%#lx");
857 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ,
859 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ,
861 retval += printf(" function %d config %d", devi->fcn->number,
862 devi->fcn->cfe->number);
865 retval += bus_print_child_footer(dev, child);
871 pccard_set_resource(device_t dev, device_t child, int type, int rid,
872 u_long start, u_long count)
874 struct pccard_ivar *devi = PCCARD_IVAR(child);
875 struct resource_list *rl = &devi->resources;
877 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY
878 && type != SYS_RES_IRQ && type != SYS_RES_DRQ)
882 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT)
884 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM)
886 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ)
888 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ)
891 resource_list_add(rl, type, rid, start, start + count - 1, count);
892 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev,
893 type, &rid, start, start + count - 1, count, 0))
900 pccard_get_resource(device_t dev, device_t child, int type, int rid,
901 u_long *startp, u_long *countp)
903 struct pccard_ivar *devi = PCCARD_IVAR(child);
904 struct resource_list *rl = &devi->resources;
905 struct resource_list_entry *rle;
907 rle = resource_list_find(rl, type, rid);
912 *startp = rle->start;
914 *countp = rle->count;
920 pccard_delete_resource(device_t dev, device_t child, int type, int rid)
922 struct pccard_ivar *devi = PCCARD_IVAR(child);
923 struct resource_list *rl = &devi->resources;
924 resource_list_delete(rl, type, rid);
928 pccard_set_res_flags(device_t dev, device_t child, int type, int rid,
931 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type,
936 pccard_set_memory_offset(device_t dev, device_t child, int rid,
937 u_int32_t offset, u_int32_t *deltap)
940 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid,
945 pccard_probe_nomatch(device_t bus, device_t child)
947 struct pccard_ivar *devi = PCCARD_IVAR(child);
948 struct pccard_function *func = devi->fcn;
949 struct pccard_softc *sc = PCCARD_SOFTC(bus);
951 device_printf(bus, "<unknown card>");
952 printf(" (manufacturer=0x%04x, product=0x%04x) at function %d\n",
953 sc->card.manufacturer, sc->card.product, func->number);
954 device_printf(bus, " CIS info: %s, %s, %s\n", sc->card.cis1_info[0],
955 sc->card.cis1_info[1], sc->card.cis1_info[2]);
960 pccard_child_location_str(device_t bus, device_t child, char *buf,
963 struct pccard_ivar *devi = PCCARD_IVAR(child);
964 struct pccard_function *func = devi->fcn;
966 ksnprintf(buf, buflen, "function=%d", func->number);
971 pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf,
974 struct pccard_ivar *devi = PCCARD_IVAR(child);
975 struct pccard_function *func = devi->fcn;
976 struct pccard_softc *sc = PCCARD_SOFTC(bus);
978 ksnprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x "
979 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d",
980 sc->card.manufacturer, sc->card.product, sc->card.cis1_info[0],
981 sc->card.cis1_info[1], func->function);
986 pccard_read_ivar(device_t bus, device_t child, int which, uintptr_t *result)
988 struct pccard_ivar *devi = PCCARD_IVAR(child);
989 struct pccard_function *func = devi->fcn;
990 struct pccard_softc *sc = PCCARD_SOFTC(bus);
994 case PCCARD_IVAR_ETHADDR:
995 *result = (uintptr_t)func->pf_funce_lan_nid;
997 case PCCARD_IVAR_VENDOR:
998 *result = sc->card.manufacturer;
1000 case PCCARD_IVAR_PRODUCT:
1001 *result = sc->card.product;
1003 case PCCARD_IVAR_PRODEXT:
1004 *result = sc->card.prodext;
1006 case PCCARD_IVAR_FUNCTION:
1007 *result = func->function;
1009 case PCCARD_IVAR_FUNCTION_NUMBER:
1011 device_printf(bus, "No function number, bug!\n");
1014 *result = func->number;
1016 case PCCARD_IVAR_VENDOR_STR:
1017 *result = (uintptr_t)sc->card.cis1_info[0];
1019 case PCCARD_IVAR_PRODUCT_STR:
1020 *result = (uintptr_t)sc->card.cis1_info[1];
1022 case PCCARD_IVAR_CIS3_STR:
1023 *result = (uintptr_t)sc->card.cis1_info[2];
1025 case PCCARD_IVAR_CIS4_STR:
1026 *result = (uintptr_t)sc->card.cis1_info[3];
1033 pccard_driver_added(device_t dev, driver_t *driver)
1035 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1036 struct pccard_function *pf;
1039 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
1040 if (STAILQ_EMPTY(&pf->cfe_head))
1043 if (device_get_state(child) != DS_NOTPRESENT)
1045 if (pccard_function_enable(pf) == 0 &&
1046 device_probe_and_attach(child) == 0) {
1047 DEVPRINTF((sc->dev, "function %d CCR at %d "
1048 "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
1049 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
1050 pccard_ccr_read(pf, 0x00),
1051 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
1052 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
1053 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
1054 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
1056 if (pf->cfe != NULL)
1057 pccard_function_disable(pf);
1063 static struct resource *
1064 pccard_alloc_resource(device_t dev, device_t child, int type, int *rid,
1065 u_long start, u_long end, u_long count, u_int flags)
1067 struct pccard_ivar *dinfo;
1068 struct resource_list_entry *rle = 0;
1069 int passthrough = (device_get_parent(child) != dev);
1070 int isdefault = (start == 0 && end == ~0UL && count == 1);
1071 struct resource *r = NULL;
1075 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
1076 type, rid, start, end, count, flags));
1079 dinfo = device_get_ivars(child);
1080 rle = resource_list_find(&dinfo->resources, type, *rid);
1082 if (rle == NULL && isdefault)
1083 return (NULL); /* no resource of that type/rid */
1085 if ((rle == NULL) || (rle->res == NULL)) {
1087 r = bus_alloc_resource(dev, type, rid, start, end,
1088 count, rman_make_alignment_flags(count));
1091 resource_list_add(&dinfo->resources, type, *rid,
1092 rman_get_start(r), rman_get_end(r), count);
1093 rle = resource_list_find(&dinfo->resources, type, *rid);
1098 if (rle->res->r_dev != dev)
1100 bus_release_resource(dev, type, *rid, rle->res);
1103 case SYS_RES_IOPORT:
1104 case SYS_RES_MEMORY:
1105 if (!(flags & RF_ALIGNMENT_MASK))
1106 flags |= rman_make_alignment_flags(rle->count);
1109 flags |= RF_SHAREABLE;
1112 rle->res = resource_list_alloc(&dinfo->resources, dev, child,
1113 type, rid, rle->start, rle->end, rle->count, flags);
1116 device_printf(dev, "WARNING: Resource not reserved by pccard\n");
1121 pccard_release_resource(device_t dev, device_t child, int type, int rid,
1124 struct pccard_ivar *dinfo;
1125 int passthrough = (device_get_parent(child) != dev);
1126 struct resource_list_entry *rle = 0;
1131 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1134 dinfo = device_get_ivars(child);
1136 rle = resource_list_find(&dinfo->resources, type, rid);
1139 device_printf(dev, "Allocated resource not found, "
1141 type, rid, rman_get_start(r), rman_get_size(r));
1145 device_printf(dev, "Allocated resource not recorded\n");
1149 ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1152 case SYS_RES_IOPORT:
1153 case SYS_RES_MEMORY:
1154 flags = rman_make_alignment_flags(rle->count);
1157 flags = RF_SHAREABLE;
1162 rle->res = bus_alloc_resource(dev, type, &rid,
1163 rle->start, rle->end, rle->count, flags);
1164 if (rle->res == NULL)
1165 device_printf(dev, "release_resource: "
1166 "unable to reaquire resource\n");
1171 pccard_child_detached(device_t parent, device_t dev)
1173 struct pccard_ivar *ivar = PCCARD_IVAR(dev);
1174 struct pccard_function *pf = ivar->fcn;
1176 pccard_function_disable(pf);
1180 pccard_intr(void *arg)
1182 struct pccard_function *pf = (struct pccard_function*) arg;
1187 * MFC cards know if they interrupted, so we have to ack the
1188 * interrupt and call the ISR. Non-MFC cards don't have these
1189 * bits, so they always get called. Many non-MFC cards have
1190 * this bit set always upon read, but some do not.
1192 * We always ack the interrupt, even if there's no ISR
1193 * for the card. This is done on the theory that acking
1194 * the interrupt will pacify the card enough to keep an
1195 * interrupt storm from happening. Of course this won't
1196 * help in the non-MFC case.
1198 if (pccard_mfc(pf->sc)) {
1199 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
1200 if (reg & PCCARD_CCR_STATUS_INTR)
1201 pccard_ccr_write(pf, PCCARD_CCR_STATUS,
1202 reg & ~PCCARD_CCR_STATUS_INTR);
1206 if (pf->intr_handler != NULL && doisr)
1207 pf->intr_handler(pf->intr_handler_arg);
1211 pccard_setup_intr(device_t dev, device_t child, struct resource *irq,
1212 int flags, driver_intr_t *intr, void *arg,
1213 void **cookiep, lwkt_serialize_t serializer)
1215 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1216 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1217 struct pccard_function *func = ivar->fcn;
1220 if (func->intr_handler != NULL)
1221 panic("Only one interrupt handler per function allowed");
1222 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr,
1223 func, cookiep, serializer);
1226 func->intr_handler = intr;
1227 func->intr_handler_arg = arg;
1228 func->intr_handler_cookie = *cookiep;
1229 if (pccard_mfc(sc)) {
1230 pccard_ccr_write(func, PCCARD_CCR_OPTION,
1231 pccard_ccr_read(func, PCCARD_CCR_OPTION) |
1232 PCCARD_CCR_OPTION_IREQ_ENABLE);
1238 pccard_teardown_intr(device_t dev, device_t child, struct resource *r,
1241 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1242 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1243 struct pccard_function *func = ivar->fcn;
1246 if (pccard_mfc(sc)) {
1247 pccard_ccr_write(func, PCCARD_CCR_OPTION,
1248 pccard_ccr_read(func, PCCARD_CCR_OPTION) &
1249 ~PCCARD_CCR_OPTION_IREQ_ENABLE);
1251 ret = bus_generic_teardown_intr(dev, child, r, cookie);
1253 func->intr_handler = NULL;
1254 func->intr_handler_arg = NULL;
1255 func->intr_handler_cookie = NULL;
1262 pccard_activate_resource(device_t brdev, device_t child, int type,
1263 int rid, struct resource *r)
1265 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1266 struct pccard_function *pf = ivar->fcn;
1269 case SYS_RES_IOPORT:
1270 if (pccard_mfc(pf->sc))
1271 pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0,
1277 return (bus_generic_activate_resource(brdev, child, type, rid, r));
1281 static device_method_t pccard_methods[] = {
1282 /* Device interface */
1283 DEVMETHOD(device_probe, pccard_probe),
1284 DEVMETHOD(device_attach, pccard_attach),
1285 DEVMETHOD(device_detach, pccard_detach),
1286 DEVMETHOD(device_shutdown, pccard_shutdown),
1287 DEVMETHOD(device_suspend, pccard_suspend),
1288 DEVMETHOD(device_resume, pccard_resume),
1291 DEVMETHOD(bus_print_child, pccard_print_child),
1292 DEVMETHOD(bus_driver_added, pccard_driver_added),
1293 DEVMETHOD(bus_child_detached, pccard_child_detached),
1294 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource),
1295 DEVMETHOD(bus_release_resource, pccard_release_resource),
1296 DEVMETHOD(bus_activate_resource, pccard_activate_resource),
1297 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
1298 DEVMETHOD(bus_setup_intr, pccard_setup_intr),
1299 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr),
1300 DEVMETHOD(bus_set_resource, pccard_set_resource),
1301 DEVMETHOD(bus_get_resource, pccard_get_resource),
1302 DEVMETHOD(bus_delete_resource, pccard_delete_resource),
1303 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch),
1304 DEVMETHOD(bus_read_ivar, pccard_read_ivar),
1305 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str),
1306 DEVMETHOD(bus_child_location_str, pccard_child_location_str),
1308 /* Card Interface */
1309 DEVMETHOD(card_set_res_flags, pccard_set_res_flags),
1310 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset),
1311 DEVMETHOD(card_get_type, pccard_card_gettype),
1312 DEVMETHOD(card_attach_card, pccard_attach_card),
1313 DEVMETHOD(card_detach_card, pccard_detach_card),
1314 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe),
1315 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach),
1316 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup),
1321 static driver_t pccard_driver = {
1324 sizeof(struct pccard_softc)
1327 devclass_t pccard_devclass;
1329 /* Maybe we need to have a slot device? */
1330 DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0);
1331 DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0);
1332 DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0);
1333 MODULE_VERSION(pccard, 1);
1334 /*MODULE_DEPEND(pccard, pcic, 1, 1, 1);*/