1 /* $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $ */
4 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Marc Horowitz.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * $FreeBSD: src/sys/dev/pccard/pccard.c,v 1.108 2005/07/15 01:43:08 imp Exp $
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>
50 #include <bus/pccard/pccard_cis.h>
58 SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters");
61 TUNABLE_INT("hw.pccard.debug", &pccard_debug);
62 SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW,
66 int pccard_cis_debug = 0;
67 TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug);
68 SYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW,
69 &pccard_cis_debug, 0, "pccard CIS debug");
72 #define DPRINTF(arg) if (pccard_debug) kprintf arg
73 #define DEVPRINTF(arg) if (pccard_debug) device_printf arg
74 #define PRVERBOSE(arg) kprintf arg
75 #define DEVPRVERBOSE(arg) device_printf arg
78 #define DEVPRINTF(arg)
79 #define PRVERBOSE(arg) if (bootverbose) kprintf arg
80 #define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg
83 static int pccard_ccr_read(struct pccard_function *pf, int ccr);
84 static void pccard_ccr_write(struct pccard_function *pf, int ccr, int val);
85 static int pccard_attach_card(device_t dev);
86 static int pccard_detach_card(device_t dev);
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, uint32_t flags);
108 static int pccard_set_memory_offset(device_t dev, device_t child, int rid,
109 uint32_t offset, uint32_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_set_default_descr(device_t dev)
152 const char *vendorstr, *prodstr;
153 uint32_t vendor, prod;
156 vendorstr = pccard_get_vendor_str(dev);
157 prodstr = pccard_get_product_str(dev);
158 if (vendorstr != NULL && prodstr != NULL) {
159 str = kmalloc(strlen(vendorstr) + strlen(prodstr) + 2, M_DEVBUF,
161 ksprintf(str, "%s %s", vendorstr, prodstr);
162 device_set_desc_copy(dev, str);
163 kfree(str, M_DEVBUF);
165 vendor = pccard_get_vendor(dev);
166 prod = pccard_get_product(dev);
168 str = kmalloc(100, M_DEVBUF, M_WAITOK);
169 ksnprintf(str, 100, "vendor=0x%x product=0x%x", vendor, prod);
170 device_set_desc_copy(dev, str);
171 kfree(str, M_DEVBUF);
177 pccard_attach_card(device_t dev)
179 struct pccard_softc *sc = PCCARD_SOFTC(dev);
180 struct pccard_function *pf;
181 struct pccard_ivar *ivar;
186 * this is here so that when socket_enable calls gettype, trt happens
188 STAILQ_INIT(&sc->card.pf_head);
190 DEVPRINTF((dev, "chip_socket_enable\n"));
191 POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
193 DEVPRINTF((dev, "read_cis\n"));
196 DEVPRINTF((dev, "check_cis_quirks\n"));
197 pccard_check_cis_quirks(dev);
200 * bail now if the card has no functions, or if there was an error in
204 if (sc->card.error) {
205 device_printf(dev, "CARD ERROR!\n");
208 if (STAILQ_EMPTY(&sc->card.pf_head)) {
209 device_printf(dev, "Card has no functions!\n");
213 if (bootverbose || pccard_debug)
214 pccard_print_cis(dev);
216 DEVPRINTF((dev, "functions scanning\n"));
218 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
220 if (STAILQ_EMPTY(&pf->cfe_head)) {
222 "Function %d has no config entries.!\n", i);
229 DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1,
232 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
233 if (STAILQ_EMPTY(&pf->cfe_head))
236 * In NetBSD, the drivers are responsible for activating
237 * each function of a card. I think that in FreeBSD we
238 * want to activate them enough for the usual bus_*_resource
239 * routines will do the right thing. This many mean a
240 * departure from the current NetBSD model.
242 * This seems to work well in practice for most cards.
243 * However, there are two cases that are problematic.
244 * If a driver wishes to pick and chose which config
245 * entry to use, then this method falls down. These
246 * are usually older cards. In addition, there are
247 * some cards that have multiple hardware units on the
248 * cards, but presents only one CIS chain. These cards
249 * are combination cards, but only one of these units
250 * can be on at a time.
252 ivar = kmalloc(sizeof(struct pccard_ivar), M_DEVBUF,
254 resource_list_init(&ivar->resources);
255 child = device_add_child(dev, NULL, -1);
256 device_set_ivars(child, ivar);
260 * XXX We might want to move the next three lines into
261 * XXX the pccard interface layer. For the moment, this
262 * XXX is OK, but some drivers want to pick the config
263 * XXX entry to use as well as some address tweaks (mostly
264 * XXX due to bugs in decode logic that makes some
265 * XXX addresses illegal or broken).
267 pccard_function_init(pf);
268 if (sc->sc_enabled_count == 0)
269 POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
270 if (pccard_function_enable(pf) == 0 &&
271 pccard_set_default_descr(child) == 0 &&
272 device_probe_and_attach(child) == 0) {
273 DEVPRINTF((sc->dev, "function %d CCR at %d "
274 "offset %x mask %x: "
275 "%x %x %x %x, %x %x %x %x, %x\n",
276 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
277 pf->ccr_mask, pccard_ccr_read(pf, 0x00),
278 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
279 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
280 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
281 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
284 pccard_function_disable(pf);
291 pccard_detach_card(device_t dev)
293 struct pccard_softc *sc = PCCARD_SOFTC(dev);
294 struct pccard_function *pf;
295 struct pccard_config_entry *cfe;
299 * We are running on either the PCCARD socket's event thread
300 * or in user context detaching a device by user request.
302 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
305 state = device_get_state(pf->dev);
306 if (state == DS_ATTACHED || state == DS_BUSY)
307 device_detach(pf->dev);
309 pccard_function_disable(pf);
310 pccard_function_free(pf);
311 device_delete_child(dev, pf->dev);
313 if (sc->sc_enabled_count == 0)
314 POWER_DISABLE_SOCKET(device_get_parent(dev), dev);
316 while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) {
317 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) {
318 STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list);
319 kfree(cfe, M_DEVBUF);
321 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list);
327 static const struct pccard_product *
328 pccard_do_product_lookup(device_t bus, device_t dev,
329 const struct pccard_product *tab, size_t ent_size,
330 pccard_product_match_fn matchfn)
332 const struct pccard_product *ent;
336 const char *vendorstr;
342 if (sizeof *ent > ent_size)
343 panic("pccard_product_lookup: bogus ent_size %jd",
344 (intmax_t) ent_size);
346 vendor = pccard_get_vendor(dev);
347 prod = pccard_get_product(dev);
348 vendorstr = pccard_get_vendor_str(dev);
349 prodstr = pccard_get_product_str(dev);
350 cis3str = pccard_get_cis3_str(dev);
351 cis4str = pccard_get_cis4_str(dev);
353 for (ent = tab; ent->pp_vendor != 0; ent =
354 (const struct pccard_product *) ((const char *) ent + ent_size)) {
356 if (ent->pp_vendor == PCCARD_VENDOR_ANY &&
357 ent->pp_product == PCCARD_PRODUCT_ANY &&
358 ent->pp_cis[0] == NULL &&
359 ent->pp_cis[1] == NULL) {
362 "Total wildcard entry ignored for %s\n",
366 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY &&
367 vendor != ent->pp_vendor)
369 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY &&
370 prod != ent->pp_product)
372 if (matches && ent->pp_cis[0] &&
373 (vendorstr == NULL ||
374 strcmp(ent->pp_cis[0], vendorstr) != 0))
376 if (matches && ent->pp_cis[1] &&
378 strcmp(ent->pp_cis[1], prodstr) != 0))
380 if (matches && ent->pp_cis[2] &&
382 strcmp(ent->pp_cis[2], cis3str) != 0))
384 if (matches && ent->pp_cis[3] &&
386 strcmp(ent->pp_cis[3], cis4str) != 0))
389 matches = (*matchfn)(dev, ent, matches);
397 * Initialize a PCCARD function. May be called as long as the function is
400 * Note: pccard_function_init should not keep resources allocated. It should
401 * only set them up ala isa pnp, set the values in the rl lists, and return.
402 * Any resource held after pccard_function_init is called is a bug. However,
403 * the bus routines to get the resources also assume that pccard_function_init
404 * does this, so they need to be fixed too.
407 pccard_function_init(struct pccard_function *pf)
409 struct pccard_config_entry *cfe;
410 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
411 struct resource_list *rl = &devi->resources;
412 struct resource_list_entry *rle;
413 struct resource *r = 0;
415 u_long start, end, len;
418 if (pf->pf_flags & PFF_ENABLED) {
419 kprintf("pccard_function_init: function is enabled");
422 bus = device_get_parent(pf->dev);
423 /* Remember which configuration entry we are using. */
424 STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) {
425 if (cfe->iftype != PCCARD_IFTYPE_IO)
428 for (i = 0; i < cfe->num_iospace; i++) {
429 start = cfe->iospace[i].start;
431 end = start + cfe->iospace[i].length - 1;
434 DEVPRINTF((bus, "I/O rid %d start %lx end %lx\n",
437 len = cfe->iospace[i].length;
438 r = bus_alloc_resource(bus, SYS_RES_IOPORT, &rid,
439 start, end, len, rman_make_alignment_flags(len));
442 resource_list_add(rl, SYS_RES_IOPORT,
443 rid, rman_get_start(r), rman_get_end(r),
444 cfe->iospace[i].length, -1);
445 rle = resource_list_find(rl, SYS_RES_IOPORT, rid);
447 panic("Cannot add resource rid %d IOPORT", rid);
451 for (i = 0; i < cfe->num_memspace; i++) {
452 start = cfe->memspace[i].hostaddr;
454 end = start + cfe->memspace[i].length - 1;
457 DEVPRINTF((bus, "Memory rid %d start %lx end %lx\n",
460 len = cfe->memspace[i].length;
461 r = bus_alloc_resource(bus, SYS_RES_MEMORY, &rid,
462 start, end, len, rman_make_alignment_flags(len));
465 resource_list_add(rl, SYS_RES_MEMORY,
466 rid, rman_get_start(r), rman_get_end(r),
467 cfe->memspace[i].length, -1);
468 rle = resource_list_find(rl, SYS_RES_MEMORY, rid);
470 panic("Cannot add resource rid %d MEM", rid);
475 DEVPRINTF((bus, "Neither memory nor I/O mapped\n"));
480 r = bus_alloc_resource_any(bus, SYS_RES_IRQ, &rid,
484 resource_list_add(rl, SYS_RES_IRQ, rid,
485 rman_get_start(r), rman_get_end(r), 1, -1);
486 rle = resource_list_find(rl, SYS_RES_IRQ, rid);
488 panic("Cannot add resource rid %d IRQ", rid);
491 /* If we get to here, we've allocated all we need */
495 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n",
498 resource_list_purge(rl);
504 * Free resources allocated by pccard_function_init(), May be called as long
505 * as the function is disabled.
507 * NOTE: This function should be unnecessary. pccard_function_init should
508 * never keep resources initialized.
511 pccard_function_free(struct pccard_function *pf)
513 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
514 struct resource_list_entry *rle;
516 if (pf->pf_flags & PFF_ENABLED) {
517 kprintf("pccard_function_init: function is enabled");
521 SLIST_FOREACH(rle, &devi->resources, link) {
523 if (rman_get_device(rle->res) != pf->sc->dev)
524 device_printf(pf->sc->dev,
525 "function_free: Resource still owned by "
527 "(type=%d, rid=%d, addr=%lx)\n",
529 rman_get_start(rle->res));
530 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev),
531 pf->sc->dev, rle->type, rle->rid, rle->res);
535 resource_list_free(&devi->resources);
539 pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr,
540 bus_addr_t offset, bus_size_t size)
542 bus_size_t iosize, tmp;
545 if (pf->pf_mfc_iomax == 0) {
546 pf->pf_mfc_iobase = addr + offset;
547 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size;
549 /* this makes the assumption that nothing overlaps */
550 if (pf->pf_mfc_iobase > addr + offset)
551 pf->pf_mfc_iobase = addr + offset;
552 if (pf->pf_mfc_iomax < addr + offset + size)
553 pf->pf_mfc_iomax = addr + offset + size;
557 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
558 /* round up to nearest (2^n)-1 */
559 for (iosize = 1; iosize < tmp; iosize <<= 1)
563 DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n",
564 (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1)));
565 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
566 pf->pf_mfc_iobase & 0xff);
567 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
568 (pf->pf_mfc_iobase >> 8) & 0xff);
569 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
570 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
571 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
574 /* Enable a PCCARD function */
576 pccard_function_enable(struct pccard_function *pf)
578 struct pccard_function *tmp;
580 device_t dev = pf->sc->dev;
582 if (pf->cfe == NULL) {
583 DEVPRVERBOSE((dev, "No config entry could be allocated.\n"));
588 * Increase the reference count on the socket, enabling power, if
591 pf->sc->sc_enabled_count++;
593 if (pf->pf_flags & PFF_ENABLED) {
595 * Don't do anything if we're already enabled.
601 * it's possible for different functions' CCRs to be in the same
602 * underlying page. Check for that.
604 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
605 if ((tmp->pf_flags & PFF_ENABLED) &&
606 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
607 ((pf->ccr_base + PCCARD_CCR_SIZE) <=
608 (tmp->ccr_base - tmp->pf_ccr_offset +
609 tmp->pf_ccr_realsize))) {
610 pf->pf_ccrt = tmp->pf_ccrt;
611 pf->pf_ccrh = tmp->pf_ccrh;
612 pf->pf_ccr_realsize = tmp->pf_ccr_realsize;
615 * pf->pf_ccr_offset = (tmp->pf_ccr_offset -
616 * tmp->ccr_base) + pf->ccr_base;
618 /* pf->pf_ccr_offset =
619 (tmp->pf_ccr_offset + pf->ccr_base) -
621 pf->pf_ccr_window = tmp->pf_ccr_window;
627 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
628 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE);
631 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n",
632 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res),
634 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
635 pf->ccr_rid, PCCARD_A_MEM_ATTR);
636 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev,
637 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset);
638 pf->pf_ccrt = rman_get_bustag(pf->ccr_res);
639 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res);
640 pf->pf_ccr_realsize = 1;
643 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX);
644 reg |= PCCARD_CCR_OPTION_LEVIREQ;
645 if (pccard_mfc(pf->sc)) {
646 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE |
647 PCCARD_CCR_OPTION_ADDR_DECODE);
648 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */
650 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
653 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0)
654 reg |= PCCARD_CCR_STATUS_IOIS8;
655 if (pf->cfe->flags & PCCARD_CFE_AUDIO)
656 reg |= PCCARD_CCR_STATUS_AUDIO;
657 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);
659 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0);
661 if (pccard_mfc(pf->sc))
662 pccard_mfc_adjust_iobase(pf, 0, 0, 0);
666 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
667 device_printf(tmp->sc->dev,
668 "function %d CCR at %d offset %x: "
669 "%x %x %x %x, %x %x %x %x, %x\n",
670 tmp->number, tmp->pf_ccr_window,
672 pccard_ccr_read(tmp, 0x00),
673 pccard_ccr_read(tmp, 0x02),
674 pccard_ccr_read(tmp, 0x04),
675 pccard_ccr_read(tmp, 0x06),
676 pccard_ccr_read(tmp, 0x0A),
677 pccard_ccr_read(tmp, 0x0C),
678 pccard_ccr_read(tmp, 0x0E),
679 pccard_ccr_read(tmp, 0x10),
680 pccard_ccr_read(tmp, 0x12));
684 pf->pf_flags |= PFF_ENABLED;
689 * Decrement the reference count, and power down the socket, if
692 pf->sc->sc_enabled_count--;
693 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count));
698 /* Disable PCCARD function. */
700 pccard_function_disable(struct pccard_function *pf)
702 struct pccard_function *tmp;
703 device_t dev = pf->sc->dev;
706 panic("pccard_function_disable: function not initialized");
708 if ((pf->pf_flags & PFF_ENABLED) == 0) {
710 * Don't do anything if we're already disabled.
715 if (pf->intr_handler != NULL) {
716 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
717 struct resource_list_entry *rle =
718 resource_list_find(&devi->resources, SYS_RES_IRQ, 0);
720 panic("Can't disable an interrupt with no IRQ res\n");
721 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res,
722 pf->intr_handler_cookie);
726 * it's possible for different functions' CCRs to be in the same
727 * underlying page. Check for that. Note we mark us as disabled
728 * first to avoid matching ourself.
731 pf->pf_flags &= ~PFF_ENABLED;
732 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
733 if ((tmp->pf_flags & PFF_ENABLED) &&
734 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
735 ((pf->ccr_base + PCCARD_CCR_SIZE) <=
736 (tmp->ccr_base - tmp->pf_ccr_offset +
737 tmp->pf_ccr_realsize)))
741 /* Not used by anyone else; unmap the CCR. */
743 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid,
749 * Decrement the reference count, and power down the socket, if
752 pf->sc->sc_enabled_count--;
756 * simulate the old "probe" routine. In the new world order, the driver
757 * needs to grab devices while in the old they were assigned to the device by
758 * the pccardd process. These symbols are exported to the upper layers.
761 pccard_compat_do_probe(device_t bus, device_t dev)
763 return (CARD_COMPAT_MATCH(dev));
767 pccard_compat_do_attach(device_t bus, device_t dev)
771 err = CARD_COMPAT_PROBE(dev);
773 err = CARD_COMPAT_ATTACH(dev);
777 #define PCCARD_NPORT 2
778 #define PCCARD_NMEM 5
779 #define PCCARD_NIRQ 1
780 #define PCCARD_NDRQ 0
783 pccard_add_children(device_t dev, int busno)
785 /* Call parent to scan for any current children */
790 pccard_probe(device_t dev)
792 device_set_desc(dev, "16-bit PCCard bus");
793 return (pccard_add_children(dev, device_get_unit(dev)));
797 pccard_attach(device_t dev)
799 struct pccard_softc *sc = PCCARD_SOFTC(dev);
802 sc->sc_enabled_count = 0;
803 return (bus_generic_attach(dev));
807 pccard_detach(device_t dev)
809 pccard_detach_card(dev);
814 pccard_suspend(device_t self)
816 pccard_detach_card(self);
822 pccard_resume(device_t self)
828 pccard_print_resources(struct resource_list *rl, const char *name, int type,
829 int count, const char *format)
831 struct resource_list_entry *rle;
836 for (i = 0; i < count; i++) {
837 rle = resource_list_find(rl, type, i);
840 kprintf(" %s ", name);
841 else if (printed > 0)
844 kprintf(format, rle->start);
845 if (rle->count > 1) {
847 kprintf(format, rle->start + rle->count - 1);
850 /* check the first few regardless */
857 pccard_print_child(device_t dev, device_t child)
859 struct pccard_ivar *devi = PCCARD_IVAR(child);
860 struct resource_list *rl = &devi->resources;
863 retval += bus_print_child_header(dev, child);
864 retval += kprintf(" at");
867 pccard_print_resources(rl, "port", SYS_RES_IOPORT,
868 PCCARD_NPORT, "%#lx");
869 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY,
870 PCCARD_NMEM, "%#lx");
871 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ,
873 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ,
875 retval += kprintf(" function %d config %d", devi->pf->number,
876 devi->pf->cfe->number);
879 retval += bus_print_child_footer(dev, child);
885 pccard_set_resource(device_t dev, device_t child, int type, int rid,
886 u_long start, u_long count)
888 struct pccard_ivar *devi = PCCARD_IVAR(child);
889 struct resource_list *rl = &devi->resources;
891 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY
892 && type != SYS_RES_IRQ && type != SYS_RES_DRQ)
896 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT)
898 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM)
900 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ)
902 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ)
905 resource_list_add(rl, type, rid, start, start + count - 1, count, -1);
906 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev,
907 type, &rid, start, start + count - 1, count, 0, -1))
914 pccard_get_resource(device_t dev, device_t child, int type, int rid,
915 u_long *startp, u_long *countp)
917 struct pccard_ivar *devi = PCCARD_IVAR(child);
918 struct resource_list *rl = &devi->resources;
919 struct resource_list_entry *rle;
921 rle = resource_list_find(rl, type, rid);
926 *startp = rle->start;
928 *countp = rle->count;
934 pccard_delete_resource(device_t dev, device_t child, int type, int rid)
936 struct pccard_ivar *devi = PCCARD_IVAR(child);
937 struct resource_list *rl = &devi->resources;
938 resource_list_delete(rl, type, rid);
942 pccard_set_res_flags(device_t dev, device_t child, int type, int rid,
945 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type,
950 pccard_set_memory_offset(device_t dev, device_t child, int rid,
951 uint32_t offset, uint32_t *deltap)
954 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid,
959 pccard_probe_nomatch(device_t bus, device_t child)
961 struct pccard_ivar *devi = PCCARD_IVAR(child);
962 struct pccard_function *pf = devi->pf;
963 struct pccard_softc *sc = PCCARD_SOFTC(bus);
966 device_printf(bus, "<unknown card>");
967 kprintf(" (manufacturer=0x%04x, product=0x%04x, function_type=%d) "
968 "at function %d\n", sc->card.manufacturer, sc->card.product,
969 pf->function, pf->number);
970 device_printf(bus, " CIS info: ");
971 for (i = 0; sc->card.cis1_info[i] != NULL && i < 4; i++)
972 kprintf("%s%s", i > 0 ? ", " : "", sc->card.cis1_info[i]);
978 pccard_child_location_str(device_t bus, device_t child, char *buf,
981 struct pccard_ivar *devi = PCCARD_IVAR(child);
982 struct pccard_function *pf = devi->pf;
984 ksnprintf(buf, buflen, "function=%d", pf->number);
988 /* XXX Maybe this should be in subr_bus? */
990 pccard_safe_quote(char *dst, const char *src, size_t len)
992 char *walker = dst, *ep = dst + len - 1;
1009 pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf,
1012 struct pccard_ivar *devi = PCCARD_IVAR(child);
1013 struct pccard_function *pf = devi->pf;
1014 struct pccard_softc *sc = PCCARD_SOFTC(bus);
1015 char cis0[128], cis1[128];
1017 pccard_safe_quote(cis0, sc->card.cis1_info[0], sizeof(cis0));
1018 pccard_safe_quote(cis1, sc->card.cis1_info[1], sizeof(cis1));
1019 ksnprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x "
1020 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d",
1021 sc->card.manufacturer, sc->card.product, cis0, cis1, pf->function);
1026 pccard_read_ivar(device_t bus, device_t child, int which, u_char *result)
1028 struct pccard_ivar *devi = PCCARD_IVAR(child);
1029 struct pccard_function *pf = devi->pf;
1030 struct pccard_softc *sc = PCCARD_SOFTC(bus);
1033 panic("No pccard function pointer");
1037 case PCCARD_IVAR_ETHADDR:
1038 *(const uint8_t **)result = pf->pf_funce_lan_nid;
1040 case PCCARD_IVAR_VENDOR:
1041 *(uint32_t *)result = sc->card.manufacturer;
1043 case PCCARD_IVAR_PRODUCT:
1044 *(uint32_t *)result = sc->card.product;
1046 case PCCARD_IVAR_PRODEXT:
1047 *(uint16_t *)result = sc->card.prodext;
1049 case PCCARD_IVAR_FUNCTION:
1050 *(uint32_t *)result = pf->function;
1052 case PCCARD_IVAR_FUNCTION_NUMBER:
1053 *(uint32_t *)result = pf->number;
1055 case PCCARD_IVAR_VENDOR_STR:
1056 *(const char **)result = sc->card.cis1_info[0];
1058 case PCCARD_IVAR_PRODUCT_STR:
1059 *(const char **)result = sc->card.cis1_info[1];
1061 case PCCARD_IVAR_CIS3_STR:
1062 *(const char **)result = sc->card.cis1_info[2];
1064 case PCCARD_IVAR_CIS4_STR:
1065 *(const char **)result = sc->card.cis1_info[3];
1072 pccard_driver_added(device_t dev, driver_t *driver)
1074 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1075 struct pccard_function *pf;
1078 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
1079 if (STAILQ_EMPTY(&pf->cfe_head))
1082 if (device_get_state(child) != DS_NOTPRESENT)
1084 if (pccard_function_enable(pf) == 0 &&
1085 device_probe_and_attach(child) == 0) {
1086 DEVPRINTF((sc->dev, "function %d CCR at %d "
1087 "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
1088 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
1089 pccard_ccr_read(pf, 0x00),
1090 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
1091 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
1092 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
1093 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
1095 if (pf->cfe != NULL)
1096 pccard_function_disable(pf);
1102 static struct resource *
1103 pccard_alloc_resource(device_t dev, device_t child, int type, int *rid,
1104 u_long start, u_long end, u_long count, u_int flags)
1106 struct pccard_ivar *dinfo;
1107 struct resource_list_entry *rle = 0;
1108 int passthrough = (device_get_parent(child) != dev);
1109 int isdefault = (start == 0 && end == ~0UL && count == 1);
1110 struct resource *r = NULL;
1112 /* XXX I'm no longer sure this is right */
1114 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
1115 type, rid, start, end, count, flags));
1118 dinfo = device_get_ivars(child);
1119 rle = resource_list_find(&dinfo->resources, type, *rid);
1121 if (rle == NULL && isdefault)
1122 return (NULL); /* no resource of that type/rid */
1123 if (rle == NULL || rle->res == NULL) {
1124 /* XXX Need to adjust flags */
1125 r = bus_alloc_resource(dev, type, rid, start, end,
1129 resource_list_add(&dinfo->resources, type, *rid,
1130 rman_get_start(r), rman_get_end(r), count, -1);
1131 rle = resource_list_find(&dinfo->resources, type, *rid);
1137 * If dev doesn't own the device, then we can't give this device
1140 if (rman_get_device(rle->res) != dev)
1142 rman_set_device(rle->res, child);
1143 if (flags & RF_ACTIVE)
1144 BUS_ACTIVATE_RESOURCE(dev, child, type, *rid, rle->res);
1147 device_printf(dev, "WARNING: Resource not reserved by pccard\n");
1152 pccard_release_resource(device_t dev, device_t child, int type, int rid,
1155 struct pccard_ivar *dinfo;
1156 int passthrough = (device_get_parent(child) != dev);
1157 struct resource_list_entry *rle = 0;
1160 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1163 dinfo = device_get_ivars(child);
1165 rle = resource_list_find(&dinfo->resources, type, rid);
1168 device_printf(dev, "Allocated resource not found, "
1170 type, rid, rman_get_start(r), rman_get_size(r));
1174 device_printf(dev, "Allocated resource not recorded\n");
1178 * Deactivate the resource (since it is being released), and
1179 * assign it to the bus.
1181 BUS_DEACTIVATE_RESOURCE(dev, child, type, rid, rle->res);
1182 rman_set_device(rle->res, dev);
1187 pccard_child_detached(device_t parent, device_t dev)
1189 struct pccard_ivar *ivar = PCCARD_IVAR(dev);
1190 struct pccard_function *pf = ivar->pf;
1192 pccard_function_disable(pf);
1196 pccard_intr(void *arg)
1198 struct pccard_function *pf = (struct pccard_function*) arg;
1203 * MFC cards know if they interrupted, so we have to ack the
1204 * interrupt and call the ISR. Non-MFC cards don't have these
1205 * bits, so they always get called. Many non-MFC cards have
1206 * this bit set always upon read, but some do not.
1208 * We always ack the interrupt, even if there's no ISR
1209 * for the card. This is done on the theory that acking
1210 * the interrupt will pacify the card enough to keep an
1211 * interrupt storm from happening. Of course this won't
1212 * help in the non-MFC case.
1214 * This has no impact for MPSAFEness of the client drivers.
1215 * We register this with whatever flags the intr_handler
1216 * was registered with. All these functions are MPSAFE.
1218 if (pccard_mfc(pf->sc)) {
1219 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
1220 if (reg & PCCARD_CCR_STATUS_INTR)
1221 pccard_ccr_write(pf, PCCARD_CCR_STATUS,
1222 reg & ~PCCARD_CCR_STATUS_INTR);
1226 if (pf->intr_handler != NULL && doisr)
1227 pf->intr_handler(pf->intr_handler_arg);
1231 pccard_setup_intr(device_t dev, device_t child, struct resource *irq,
1232 int flags, driver_intr_t *intr, void *arg,
1233 void **cookiep, lwkt_serialize_t serializer)
1235 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1236 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1237 struct pccard_function *pf = ivar->pf;
1240 if (pf->intr_handler != NULL)
1241 panic("Only one interrupt handler per function allowed");
1242 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr,
1243 pf, cookiep, serializer);
1246 pf->intr_handler = intr;
1247 pf->intr_handler_arg = arg;
1248 pf->intr_handler_cookie = *cookiep;
1249 if (pccard_mfc(sc)) {
1250 pccard_ccr_write(pf, PCCARD_CCR_OPTION,
1251 pccard_ccr_read(pf, PCCARD_CCR_OPTION) |
1252 PCCARD_CCR_OPTION_IREQ_ENABLE);
1258 pccard_teardown_intr(device_t dev, device_t child, struct resource *r,
1261 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1262 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1263 struct pccard_function *pf = ivar->pf;
1266 if (pccard_mfc(sc)) {
1267 pccard_ccr_write(pf, PCCARD_CCR_OPTION,
1268 pccard_ccr_read(pf, PCCARD_CCR_OPTION) &
1269 ~PCCARD_CCR_OPTION_IREQ_ENABLE);
1271 ret = bus_generic_teardown_intr(dev, child, r, cookie);
1273 pf->intr_handler = NULL;
1274 pf->intr_handler_arg = NULL;
1275 pf->intr_handler_cookie = NULL;
1282 pccard_activate_resource(device_t brdev, device_t child, int type, int rid,
1285 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1286 struct pccard_function *pf = ivar->pf;
1289 case SYS_RES_IOPORT:
1291 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC
1294 if (pccard_mfc(pf->sc))
1295 pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0,
1301 return (bus_generic_activate_resource(brdev, child, type, rid, r));
1305 pccard_deactivate_resource(device_t brdev, device_t child, int type,
1306 int rid, struct resource *r)
1308 /* XXX undo pccard_activate_resource? XXX */
1309 return (bus_generic_deactivate_resource(brdev, child, type, rid, r));
1312 static device_method_t pccard_methods[] = {
1313 /* Device interface */
1314 DEVMETHOD(device_probe, pccard_probe),
1315 DEVMETHOD(device_attach, pccard_attach),
1316 DEVMETHOD(device_detach, pccard_detach),
1317 DEVMETHOD(device_shutdown, bus_generic_shutdown),
1318 DEVMETHOD(device_suspend, pccard_suspend),
1319 DEVMETHOD(device_resume, pccard_resume),
1322 DEVMETHOD(bus_print_child, pccard_print_child),
1323 DEVMETHOD(bus_driver_added, pccard_driver_added),
1324 DEVMETHOD(bus_child_detached, pccard_child_detached),
1325 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource),
1326 DEVMETHOD(bus_release_resource, pccard_release_resource),
1327 DEVMETHOD(bus_activate_resource, pccard_activate_resource),
1328 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource),
1329 DEVMETHOD(bus_setup_intr, pccard_setup_intr),
1330 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr),
1331 DEVMETHOD(bus_set_resource, pccard_set_resource),
1332 DEVMETHOD(bus_get_resource, pccard_get_resource),
1333 DEVMETHOD(bus_delete_resource, pccard_delete_resource),
1334 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch),
1335 DEVMETHOD(bus_read_ivar, pccard_read_ivar),
1336 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str),
1337 DEVMETHOD(bus_child_location_str, pccard_child_location_str),
1339 /* Card Interface */
1340 DEVMETHOD(card_set_res_flags, pccard_set_res_flags),
1341 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset),
1342 DEVMETHOD(card_attach_card, pccard_attach_card),
1343 DEVMETHOD(card_detach_card, pccard_detach_card),
1344 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe),
1345 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach),
1346 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup),
1347 DEVMETHOD(card_cis_scan, pccard_scan_cis),
1352 static driver_t pccard_driver = {
1355 sizeof(struct pccard_softc)
1358 devclass_t pccard_devclass;
1360 /* Maybe we need to have a slot device? */
1361 DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, NULL, NULL);
1362 DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, NULL, NULL);
1363 MODULE_VERSION(pccard, 1);