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, int cpuid);
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, int cpuid);
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 = NULL;
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,
487 rle = resource_list_find(rl, SYS_RES_IRQ, rid);
489 panic("Cannot add resource rid %d IRQ", rid);
492 /* If we get to here, we've allocated all we need */
496 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n",
499 resource_list_purge(rl);
505 * Free resources allocated by pccard_function_init(), May be called as long
506 * as the function is disabled.
508 * NOTE: This function should be unnecessary. pccard_function_init should
509 * never keep resources initialized.
512 pccard_function_free(struct pccard_function *pf)
514 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
515 struct resource_list_entry *rle;
517 if (pf->pf_flags & PFF_ENABLED) {
518 kprintf("pccard_function_init: function is enabled");
522 SLIST_FOREACH(rle, &devi->resources, link) {
524 if (rman_get_device(rle->res) != pf->sc->dev)
525 device_printf(pf->sc->dev,
526 "function_free: Resource still owned by "
528 "(type=%d, rid=%d, addr=%lx)\n",
530 rman_get_start(rle->res));
531 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev),
532 pf->sc->dev, rle->type, rle->rid, rle->res);
536 resource_list_free(&devi->resources);
540 pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr,
541 bus_addr_t offset, bus_size_t size)
543 bus_size_t iosize, tmp;
546 if (pf->pf_mfc_iomax == 0) {
547 pf->pf_mfc_iobase = addr + offset;
548 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size;
550 /* this makes the assumption that nothing overlaps */
551 if (pf->pf_mfc_iobase > addr + offset)
552 pf->pf_mfc_iobase = addr + offset;
553 if (pf->pf_mfc_iomax < addr + offset + size)
554 pf->pf_mfc_iomax = addr + offset + size;
558 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
559 /* round up to nearest (2^n)-1 */
560 for (iosize = 1; iosize < tmp; iosize <<= 1)
564 DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n",
565 (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1)));
566 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
567 pf->pf_mfc_iobase & 0xff);
568 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
569 (pf->pf_mfc_iobase >> 8) & 0xff);
570 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
571 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
572 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
575 /* Enable a PCCARD function */
577 pccard_function_enable(struct pccard_function *pf)
579 struct pccard_function *tmp;
581 device_t dev = pf->sc->dev;
583 if (pf->cfe == NULL) {
584 DEVPRVERBOSE((dev, "No config entry could be allocated.\n"));
589 * Increase the reference count on the socket, enabling power, if
592 pf->sc->sc_enabled_count++;
594 if (pf->pf_flags & PFF_ENABLED) {
596 * Don't do anything if we're already enabled.
602 * it's possible for different functions' CCRs to be in the same
603 * underlying page. Check for that.
605 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
606 if ((tmp->pf_flags & PFF_ENABLED) &&
607 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
608 ((pf->ccr_base + PCCARD_CCR_SIZE) <=
609 (tmp->ccr_base - tmp->pf_ccr_offset +
610 tmp->pf_ccr_realsize))) {
611 pf->pf_ccrt = tmp->pf_ccrt;
612 pf->pf_ccrh = tmp->pf_ccrh;
613 pf->pf_ccr_realsize = tmp->pf_ccr_realsize;
616 * pf->pf_ccr_offset = (tmp->pf_ccr_offset -
617 * tmp->ccr_base) + pf->ccr_base;
619 /* pf->pf_ccr_offset =
620 (tmp->pf_ccr_offset + pf->ccr_base) -
622 pf->pf_ccr_window = tmp->pf_ccr_window;
628 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
629 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE);
632 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n",
633 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res),
635 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
636 pf->ccr_rid, PCCARD_A_MEM_ATTR);
637 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev,
638 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset);
639 pf->pf_ccrt = rman_get_bustag(pf->ccr_res);
640 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res);
641 pf->pf_ccr_realsize = 1;
644 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX);
645 reg |= PCCARD_CCR_OPTION_LEVIREQ;
646 if (pccard_mfc(pf->sc)) {
647 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE |
648 PCCARD_CCR_OPTION_ADDR_DECODE);
649 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */
651 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
654 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0)
655 reg |= PCCARD_CCR_STATUS_IOIS8;
656 if (pf->cfe->flags & PCCARD_CFE_AUDIO)
657 reg |= PCCARD_CCR_STATUS_AUDIO;
658 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);
660 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0);
662 if (pccard_mfc(pf->sc))
663 pccard_mfc_adjust_iobase(pf, 0, 0, 0);
667 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
668 device_printf(tmp->sc->dev,
669 "function %d CCR at %d offset %x: "
670 "%x %x %x %x, %x %x %x %x, %x\n",
671 tmp->number, tmp->pf_ccr_window,
673 pccard_ccr_read(tmp, 0x00),
674 pccard_ccr_read(tmp, 0x02),
675 pccard_ccr_read(tmp, 0x04),
676 pccard_ccr_read(tmp, 0x06),
677 pccard_ccr_read(tmp, 0x0A),
678 pccard_ccr_read(tmp, 0x0C),
679 pccard_ccr_read(tmp, 0x0E),
680 pccard_ccr_read(tmp, 0x10),
681 pccard_ccr_read(tmp, 0x12));
685 pf->pf_flags |= PFF_ENABLED;
690 * Decrement the reference count, and power down the socket, if
693 pf->sc->sc_enabled_count--;
694 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count));
699 /* Disable PCCARD function. */
701 pccard_function_disable(struct pccard_function *pf)
703 struct pccard_function *tmp;
704 device_t dev = pf->sc->dev;
707 panic("pccard_function_disable: function not initialized");
709 if ((pf->pf_flags & PFF_ENABLED) == 0) {
711 * Don't do anything if we're already disabled.
716 if (pf->intr_handler != NULL) {
717 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
718 struct resource_list_entry *rle =
719 resource_list_find(&devi->resources, SYS_RES_IRQ, 0);
721 panic("Can't disable an interrupt with no IRQ res\n");
722 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res,
723 pf->intr_handler_cookie);
727 * it's possible for different functions' CCRs to be in the same
728 * underlying page. Check for that. Note we mark us as disabled
729 * first to avoid matching ourself.
732 pf->pf_flags &= ~PFF_ENABLED;
733 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
734 if ((tmp->pf_flags & PFF_ENABLED) &&
735 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
736 ((pf->ccr_base + PCCARD_CCR_SIZE) <=
737 (tmp->ccr_base - tmp->pf_ccr_offset +
738 tmp->pf_ccr_realsize)))
742 /* Not used by anyone else; unmap the CCR. */
744 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid,
750 * Decrement the reference count, and power down the socket, if
753 pf->sc->sc_enabled_count--;
757 * simulate the old "probe" routine. In the new world order, the driver
758 * needs to grab devices while in the old they were assigned to the device by
759 * the pccardd process. These symbols are exported to the upper layers.
762 pccard_compat_do_probe(device_t bus, device_t dev)
764 return (CARD_COMPAT_MATCH(dev));
768 pccard_compat_do_attach(device_t bus, device_t dev)
772 err = CARD_COMPAT_PROBE(dev);
774 err = CARD_COMPAT_ATTACH(dev);
778 #define PCCARD_NPORT 2
779 #define PCCARD_NMEM 5
780 #define PCCARD_NIRQ 1
781 #define PCCARD_NDRQ 0
784 pccard_add_children(device_t dev, int busno)
786 /* Call parent to scan for any current children */
791 pccard_probe(device_t dev)
793 device_set_desc(dev, "16-bit PCCard bus");
794 return (pccard_add_children(dev, device_get_unit(dev)));
798 pccard_attach(device_t dev)
800 struct pccard_softc *sc = PCCARD_SOFTC(dev);
803 sc->sc_enabled_count = 0;
804 return (bus_generic_attach(dev));
808 pccard_detach(device_t dev)
810 pccard_detach_card(dev);
815 pccard_suspend(device_t self)
817 pccard_detach_card(self);
823 pccard_resume(device_t self)
829 pccard_print_resources(struct resource_list *rl, const char *name, int type,
830 int count, const char *format)
832 struct resource_list_entry *rle;
837 for (i = 0; i < count; i++) {
838 rle = resource_list_find(rl, type, i);
841 kprintf(" %s ", name);
842 else if (printed > 0)
845 kprintf(format, rle->start);
846 if (rle->count > 1) {
848 kprintf(format, rle->start + rle->count - 1);
851 /* check the first few regardless */
858 pccard_print_child(device_t dev, device_t child)
860 struct pccard_ivar *devi = PCCARD_IVAR(child);
861 struct resource_list *rl = &devi->resources;
864 retval += bus_print_child_header(dev, child);
865 retval += kprintf(" at");
868 pccard_print_resources(rl, "port", SYS_RES_IOPORT,
869 PCCARD_NPORT, "%#lx");
870 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY,
871 PCCARD_NMEM, "%#lx");
872 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ,
874 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ,
876 retval += kprintf(" function %d config %d", devi->pf->number,
877 devi->pf->cfe->number);
880 retval += bus_print_child_footer(dev, child);
886 pccard_set_resource(device_t dev, device_t child, int type, int rid,
887 u_long start, u_long count, int cpuid)
889 struct pccard_ivar *devi = PCCARD_IVAR(child);
890 struct resource_list *rl = &devi->resources;
892 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY
893 && type != SYS_RES_IRQ && type != SYS_RES_DRQ)
897 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT)
899 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM)
901 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ)
903 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ)
906 resource_list_add(rl, type, rid, start, start + count - 1, count,
908 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev,
909 type, &rid, start, start + count - 1, count, 0, -1))
916 pccard_get_resource(device_t dev, device_t child, int type, int rid,
917 u_long *startp, u_long *countp)
919 struct pccard_ivar *devi = PCCARD_IVAR(child);
920 struct resource_list *rl = &devi->resources;
921 struct resource_list_entry *rle;
923 rle = resource_list_find(rl, type, rid);
928 *startp = rle->start;
930 *countp = rle->count;
936 pccard_delete_resource(device_t dev, device_t child, int type, int rid)
938 struct pccard_ivar *devi = PCCARD_IVAR(child);
939 struct resource_list *rl = &devi->resources;
940 resource_list_delete(rl, type, rid);
944 pccard_set_res_flags(device_t dev, device_t child, int type, int rid,
947 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type,
952 pccard_set_memory_offset(device_t dev, device_t child, int rid,
953 uint32_t offset, uint32_t *deltap)
956 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid,
961 pccard_probe_nomatch(device_t bus, device_t child)
963 struct pccard_ivar *devi = PCCARD_IVAR(child);
964 struct pccard_function *pf = devi->pf;
965 struct pccard_softc *sc = PCCARD_SOFTC(bus);
968 device_printf(bus, "<unknown card>");
969 kprintf(" (manufacturer=0x%04x, product=0x%04x, function_type=%d) "
970 "at function %d\n", sc->card.manufacturer, sc->card.product,
971 pf->function, pf->number);
972 device_printf(bus, " CIS info: ");
973 for (i = 0; sc->card.cis1_info[i] != NULL && i < 4; i++)
974 kprintf("%s%s", i > 0 ? ", " : "", sc->card.cis1_info[i]);
980 pccard_child_location_str(device_t bus, device_t child, char *buf,
983 struct pccard_ivar *devi = PCCARD_IVAR(child);
984 struct pccard_function *pf = devi->pf;
986 ksnprintf(buf, buflen, "function=%d", pf->number);
990 /* XXX Maybe this should be in subr_bus? */
992 pccard_safe_quote(char *dst, const char *src, size_t len)
994 char *walker = dst, *ep = dst + len - 1;
1001 if (ep - walker < 2)
1011 pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf,
1014 struct pccard_ivar *devi = PCCARD_IVAR(child);
1015 struct pccard_function *pf = devi->pf;
1016 struct pccard_softc *sc = PCCARD_SOFTC(bus);
1017 char cis0[128], cis1[128];
1019 pccard_safe_quote(cis0, sc->card.cis1_info[0], sizeof(cis0));
1020 pccard_safe_quote(cis1, sc->card.cis1_info[1], sizeof(cis1));
1021 ksnprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x "
1022 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d",
1023 sc->card.manufacturer, sc->card.product, cis0, cis1, pf->function);
1028 pccard_read_ivar(device_t bus, device_t child, int which, u_char *result)
1030 struct pccard_ivar *devi = PCCARD_IVAR(child);
1031 struct pccard_function *pf = devi->pf;
1032 struct pccard_softc *sc = PCCARD_SOFTC(bus);
1035 panic("No pccard function pointer");
1039 case PCCARD_IVAR_ETHADDR:
1040 *(const uint8_t **)result = pf->pf_funce_lan_nid;
1042 case PCCARD_IVAR_VENDOR:
1043 *(uint32_t *)result = sc->card.manufacturer;
1045 case PCCARD_IVAR_PRODUCT:
1046 *(uint32_t *)result = sc->card.product;
1048 case PCCARD_IVAR_PRODEXT:
1049 *(uint16_t *)result = sc->card.prodext;
1051 case PCCARD_IVAR_FUNCTION:
1052 *(uint32_t *)result = pf->function;
1054 case PCCARD_IVAR_FUNCTION_NUMBER:
1055 *(uint32_t *)result = pf->number;
1057 case PCCARD_IVAR_VENDOR_STR:
1058 *(const char **)result = sc->card.cis1_info[0];
1060 case PCCARD_IVAR_PRODUCT_STR:
1061 *(const char **)result = sc->card.cis1_info[1];
1063 case PCCARD_IVAR_CIS3_STR:
1064 *(const char **)result = sc->card.cis1_info[2];
1066 case PCCARD_IVAR_CIS4_STR:
1067 *(const char **)result = sc->card.cis1_info[3];
1074 pccard_driver_added(device_t dev, driver_t *driver)
1076 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1077 struct pccard_function *pf;
1080 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
1081 if (STAILQ_EMPTY(&pf->cfe_head))
1084 if (device_get_state(child) != DS_NOTPRESENT)
1086 if (pccard_function_enable(pf) == 0 &&
1087 device_probe_and_attach(child) == 0) {
1088 DEVPRINTF((sc->dev, "function %d CCR at %d "
1089 "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
1090 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
1091 pccard_ccr_read(pf, 0x00),
1092 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
1093 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
1094 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
1095 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
1097 if (pf->cfe != NULL)
1098 pccard_function_disable(pf);
1104 static struct resource *
1105 pccard_alloc_resource(device_t dev, device_t child, int type, int *rid,
1106 u_long start, u_long end, u_long count, u_int flags, int cpuid)
1108 struct pccard_ivar *dinfo;
1109 struct resource_list_entry *rle = NULL;
1110 int passthrough = (device_get_parent(child) != dev);
1111 int isdefault = (start == 0 && end == ~0UL && count == 1);
1112 struct resource *r = NULL;
1114 /* XXX I'm no longer sure this is right */
1116 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
1117 type, rid, start, end, count, flags, cpuid));
1120 dinfo = device_get_ivars(child);
1121 rle = resource_list_find(&dinfo->resources, type, *rid);
1123 if (rle == NULL && isdefault)
1124 return (NULL); /* no resource of that type/rid */
1125 if (rle == NULL || rle->res == NULL) {
1126 /* XXX Need to adjust flags */
1127 r = bus_alloc_resource(dev, type, rid, start, end,
1131 resource_list_add(&dinfo->resources, type, *rid,
1132 rman_get_start(r), rman_get_end(r), count,
1134 rle = resource_list_find(&dinfo->resources, type, *rid);
1140 * If dev doesn't own the device, then we can't give this device
1143 if (rman_get_device(rle->res) != dev)
1145 rman_set_device(rle->res, child);
1146 if (flags & RF_ACTIVE)
1147 BUS_ACTIVATE_RESOURCE(dev, child, type, *rid, rle->res);
1150 device_printf(dev, "WARNING: Resource not reserved by pccard\n");
1155 pccard_release_resource(device_t dev, device_t child, int type, int rid,
1158 struct pccard_ivar *dinfo;
1159 int passthrough = (device_get_parent(child) != dev);
1160 struct resource_list_entry *rle = NULL;
1163 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1166 dinfo = device_get_ivars(child);
1168 rle = resource_list_find(&dinfo->resources, type, rid);
1171 device_printf(dev, "Allocated resource not found, "
1173 type, rid, rman_get_start(r), rman_get_size(r));
1177 device_printf(dev, "Allocated resource not recorded\n");
1181 * Deactivate the resource (since it is being released), and
1182 * assign it to the bus.
1184 BUS_DEACTIVATE_RESOURCE(dev, child, type, rid, rle->res);
1185 rman_set_device(rle->res, dev);
1190 pccard_child_detached(device_t parent, device_t dev)
1192 struct pccard_ivar *ivar = PCCARD_IVAR(dev);
1193 struct pccard_function *pf = ivar->pf;
1195 pccard_function_disable(pf);
1199 pccard_intr(void *arg)
1201 struct pccard_function *pf = (struct pccard_function*) arg;
1206 * MFC cards know if they interrupted, so we have to ack the
1207 * interrupt and call the ISR. Non-MFC cards don't have these
1208 * bits, so they always get called. Many non-MFC cards have
1209 * this bit set always upon read, but some do not.
1211 * We always ack the interrupt, even if there's no ISR
1212 * for the card. This is done on the theory that acking
1213 * the interrupt will pacify the card enough to keep an
1214 * interrupt storm from happening. Of course this won't
1215 * help in the non-MFC case.
1217 * This has no impact for MPSAFEness of the client drivers.
1218 * We register this with whatever flags the intr_handler
1219 * was registered with. All these functions are MPSAFE.
1221 if (pccard_mfc(pf->sc)) {
1222 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
1223 if (reg & PCCARD_CCR_STATUS_INTR)
1224 pccard_ccr_write(pf, PCCARD_CCR_STATUS,
1225 reg & ~PCCARD_CCR_STATUS_INTR);
1229 if (pf->intr_handler != NULL && doisr)
1230 pf->intr_handler(pf->intr_handler_arg);
1234 pccard_setup_intr(device_t dev, device_t child, struct resource *irq,
1235 int flags, driver_intr_t *intr, void *arg,
1236 void **cookiep, lwkt_serialize_t serializer)
1238 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1239 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1240 struct pccard_function *pf = ivar->pf;
1243 if (pf->intr_handler != NULL)
1244 panic("Only one interrupt handler per function allowed");
1245 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr,
1246 pf, cookiep, serializer);
1249 pf->intr_handler = intr;
1250 pf->intr_handler_arg = arg;
1251 pf->intr_handler_cookie = *cookiep;
1252 if (pccard_mfc(sc)) {
1253 pccard_ccr_write(pf, PCCARD_CCR_OPTION,
1254 pccard_ccr_read(pf, PCCARD_CCR_OPTION) |
1255 PCCARD_CCR_OPTION_IREQ_ENABLE);
1261 pccard_teardown_intr(device_t dev, device_t child, struct resource *r,
1264 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1265 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1266 struct pccard_function *pf = ivar->pf;
1269 if (pccard_mfc(sc)) {
1270 pccard_ccr_write(pf, PCCARD_CCR_OPTION,
1271 pccard_ccr_read(pf, PCCARD_CCR_OPTION) &
1272 ~PCCARD_CCR_OPTION_IREQ_ENABLE);
1274 ret = bus_generic_teardown_intr(dev, child, r, cookie);
1276 pf->intr_handler = NULL;
1277 pf->intr_handler_arg = NULL;
1278 pf->intr_handler_cookie = NULL;
1285 pccard_activate_resource(device_t brdev, device_t child, int type, int rid,
1288 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1289 struct pccard_function *pf = ivar->pf;
1292 case SYS_RES_IOPORT:
1294 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC
1297 if (pccard_mfc(pf->sc))
1298 pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0,
1304 return (bus_generic_activate_resource(brdev, child, type, rid, r));
1308 pccard_deactivate_resource(device_t brdev, device_t child, int type,
1309 int rid, struct resource *r)
1311 /* XXX undo pccard_activate_resource? XXX */
1312 return (bus_generic_deactivate_resource(brdev, child, type, rid, r));
1315 static device_method_t pccard_methods[] = {
1316 /* Device interface */
1317 DEVMETHOD(device_probe, pccard_probe),
1318 DEVMETHOD(device_attach, pccard_attach),
1319 DEVMETHOD(device_detach, pccard_detach),
1320 DEVMETHOD(device_shutdown, bus_generic_shutdown),
1321 DEVMETHOD(device_suspend, pccard_suspend),
1322 DEVMETHOD(device_resume, pccard_resume),
1325 DEVMETHOD(bus_print_child, pccard_print_child),
1326 DEVMETHOD(bus_driver_added, pccard_driver_added),
1327 DEVMETHOD(bus_child_detached, pccard_child_detached),
1328 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource),
1329 DEVMETHOD(bus_release_resource, pccard_release_resource),
1330 DEVMETHOD(bus_activate_resource, pccard_activate_resource),
1331 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource),
1332 DEVMETHOD(bus_setup_intr, pccard_setup_intr),
1333 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr),
1334 DEVMETHOD(bus_set_resource, pccard_set_resource),
1335 DEVMETHOD(bus_get_resource, pccard_get_resource),
1336 DEVMETHOD(bus_delete_resource, pccard_delete_resource),
1337 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch),
1338 DEVMETHOD(bus_read_ivar, pccard_read_ivar),
1339 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str),
1340 DEVMETHOD(bus_child_location_str, pccard_child_location_str),
1342 /* Card Interface */
1343 DEVMETHOD(card_set_res_flags, pccard_set_res_flags),
1344 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset),
1345 DEVMETHOD(card_attach_card, pccard_attach_card),
1346 DEVMETHOD(card_detach_card, pccard_detach_card),
1347 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe),
1348 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach),
1349 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup),
1350 DEVMETHOD(card_cis_scan, pccard_scan_cis),
1355 static driver_t pccard_driver = {
1358 sizeof(struct pccard_softc)
1361 devclass_t pccard_devclass;
1363 /* Maybe we need to have a slot device? */
1364 DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, NULL, NULL);
1365 DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, NULL, NULL);
1366 MODULE_VERSION(pccard, 1);