2 * Copyright (c) 2002-2005 M Warner Losh. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 * This software may be derived from NetBSD i82365.c and other files with
25 * the following copyright:
27 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
29 * Redistribution and use in source and binary forms, with or without
30 * modification, are permitted provided that the following conditions
32 * 1. Redistributions of source code must retain the above copyright
33 * notice, this list of conditions and the following disclaimer.
34 * 2. Redistributions in binary form must reproduce the above copyright
35 * notice, this list of conditions and the following disclaimer in the
36 * documentation and/or other materials provided with the distribution.
37 * 3. All advertising materials mentioning features or use of this software
38 * must display the following acknowledgement:
39 * This product includes software developed by Marc Horowitz.
40 * 4. The name of the author may not be used to endorse or promote products
41 * derived from this software without specific prior written permission.
43 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
44 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
45 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
46 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
47 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
48 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
52 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55 #include <sys/cdefs.h>
56 __FBSDID("$FreeBSD$");
58 #include <sys/param.h>
59 #include <sys/systm.h>
60 #include <sys/condvar.h>
61 #include <sys/errno.h>
62 #include <sys/kernel.h>
63 #include <sys/malloc.h>
64 #include <sys/queue.h>
65 #include <sys/module.h>
67 #include <sys/mutex.h>
71 #include <machine/bus.h>
73 #include <machine/resource.h>
75 #include <dev/pccard/pccardreg.h>
76 #include <dev/pccard/pccardvar.h>
78 #include <dev/exca/excareg.h>
79 #include <dev/exca/excavar.h>
82 #define DEVPRINTF(dev, fmt, args...) device_printf((dev), (fmt), ## args)
83 #define DPRINTF(fmt, args...) printf(fmt, ## args)
85 #define DEVPRINTF(dev, fmt, args...)
86 #define DPRINTF(fmt, args...)
90 static const char *chip_names[] =
93 "Intel i82365SL-A/B or clone",
94 "Intel i82365sl-DF step",
96 "Cirrus Logic PD6710",
97 "Cirrus logic PD6722",
98 "Cirrus Logic PD6729",
106 "IBM KING PCMCIA Controller"
110 static exca_getb_fn exca_mem_getb;
111 static exca_putb_fn exca_mem_putb;
112 static exca_getb_fn exca_io_getb;
113 static exca_putb_fn exca_io_putb;
117 #define EXCA_MEMINFO(NUM) { \
118 EXCA_SYSMEM_ADDR ## NUM ## _START_LSB, \
119 EXCA_SYSMEM_ADDR ## NUM ## _START_MSB, \
120 EXCA_SYSMEM_ADDR ## NUM ## _STOP_LSB, \
121 EXCA_SYSMEM_ADDR ## NUM ## _STOP_MSB, \
122 EXCA_SYSMEM_ADDR ## NUM ## _WIN, \
123 EXCA_CARDMEM_ADDR ## NUM ## _LSB, \
124 EXCA_CARDMEM_ADDR ## NUM ## _MSB, \
125 EXCA_ADDRWIN_ENABLE_MEM ## NUM, \
128 static struct mem_map_index_st {
129 int sysmem_start_lsb;
130 int sysmem_start_msb;
137 } mem_map_index[] = {
147 exca_mem_getb(struct exca_softc *sc, int reg)
149 return (bus_space_read_1(sc->bst, sc->bsh, sc->offset + reg));
153 exca_mem_putb(struct exca_softc *sc, int reg, uint8_t val)
155 bus_space_write_1(sc->bst, sc->bsh, sc->offset + reg, val);
159 exca_io_getb(struct exca_softc *sc, int reg)
161 bus_space_write_1(sc->bst, sc->bsh, EXCA_REG_INDEX, reg + sc->offset);
162 return (bus_space_read_1(sc->bst, sc->bsh, EXCA_REG_DATA));
166 exca_io_putb(struct exca_softc *sc, int reg, uint8_t val)
168 bus_space_write_1(sc->bst, sc->bsh, EXCA_REG_INDEX, reg + sc->offset);
169 bus_space_write_1(sc->bst, sc->bsh, EXCA_REG_DATA, val);
173 * Helper function. This will map the requested memory slot. We setup the
174 * map before we call this function. This is used to initially force the
175 * mapping, as well as later restore the mapping after it has been destroyed
176 * in some fashion (due to a power event typically).
179 exca_do_mem_map(struct exca_softc *sc, int win)
181 struct mem_map_index_st *map;
182 struct pccard_mem_handle *mem;
185 map = &mem_map_index[win];
187 offset = ((mem->cardaddr >> EXCA_CARDMEM_ADDRX_SHIFT) -
188 (mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT)) & 0x3fff;
189 exca_putb(sc, map->sysmem_start_lsb,
190 (mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT) & 0xff);
191 exca_putb(sc, map->sysmem_start_msb,
192 ((mem->addr >> (EXCA_SYSMEM_ADDRX_SHIFT + 8)) &
193 EXCA_SYSMEM_ADDRX_START_MSB_ADDR_MASK));
195 exca_putb(sc, map->sysmem_stop_lsb,
196 ((mem->addr + mem->realsize - 1) >>
197 EXCA_SYSMEM_ADDRX_SHIFT) & 0xff);
198 exca_putb(sc, map->sysmem_stop_msb,
199 (((mem->addr + mem->realsize - 1) >>
200 (EXCA_SYSMEM_ADDRX_SHIFT + 8)) &
201 EXCA_SYSMEM_ADDRX_STOP_MSB_ADDR_MASK) |
202 EXCA_SYSMEM_ADDRX_STOP_MSB_WAIT2);
204 exca_putb(sc, map->sysmem_win,
205 (mem->addr >> EXCA_MEMREG_WIN_SHIFT) & 0xff);
207 exca_putb(sc, map->cardmem_lsb, offset & 0xff);
208 exca_putb(sc, map->cardmem_msb, (((offset >> 8) & 0xff) &
209 EXCA_CARDMEM_ADDRX_MSB_ADDR_MASK) |
210 ((mem->kind == PCCARD_A_MEM_ATTR) ?
211 EXCA_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0));
214 if (mem->kind == PCCARD_A_MEM_ATTR)
215 printf("attribtue memory\n");
217 printf("common memory\n");
219 exca_setb(sc, EXCA_ADDRWIN_ENABLE, map->memenable |
220 EXCA_ADDRWIN_ENABLE_MEMCS16);
225 int r1, r2, r3, r4, r5, r6, r7;
226 r1 = exca_getb(sc, map->sysmem_start_msb);
227 r2 = exca_getb(sc, map->sysmem_start_lsb);
228 r3 = exca_getb(sc, map->sysmem_stop_msb);
229 r4 = exca_getb(sc, map->sysmem_stop_lsb);
230 r5 = exca_getb(sc, map->cardmem_msb);
231 r6 = exca_getb(sc, map->cardmem_lsb);
232 r7 = exca_getb(sc, map->sysmem_win);
233 printf("exca_do_mem_map win %d: %02x%02x %02x%02x "
234 "%02x%02x %02x (%08x+%06x.%06x*%06x)\n",
235 win, r1, r2, r3, r4, r5, r6, r7,
236 mem->addr, mem->size, mem->realsize,
243 * public interface to map a resource. kind is the type of memory to
244 * map (either common or attribute). Memory created via this interface
245 * starts out at card address 0. Since the only way to set this is
246 * to set it on a struct resource after it has been mapped, we're safe
247 * in maping this assumption. Note that resources can be remapped using
248 * exca_do_mem_map so that's how the card address can be set later.
251 exca_mem_map(struct exca_softc *sc, int kind, struct resource *res)
255 for (win = 0; win < EXCA_MEM_WINS; win++) {
256 if ((sc->memalloc & (1 << win)) == 0) {
257 sc->memalloc |= (1 << win);
261 if (win >= EXCA_MEM_WINS)
263 if (((rman_get_start(res) >> EXCA_MEMREG_WIN_SHIFT) & 0xff) != 0 &&
264 (sc->flags & EXCA_HAS_MEMREG_WIN) == 0) {
265 device_printf(sc->dev, "Does not support mapping above 24M.");
269 sc->mem[win].cardaddr = 0;
270 sc->mem[win].memt = rman_get_bustag(res);
271 sc->mem[win].memh = rman_get_bushandle(res);
272 sc->mem[win].addr = rman_get_start(res);
273 sc->mem[win].size = rman_get_end(res) - sc->mem[win].addr + 1;
274 sc->mem[win].realsize = sc->mem[win].size + EXCA_MEM_PAGESIZE - 1;
275 sc->mem[win].realsize = sc->mem[win].realsize -
276 (sc->mem[win].realsize % EXCA_MEM_PAGESIZE);
277 sc->mem[win].kind = kind;
278 DPRINTF("exca_mem_map window %d bus %x+%x card addr %x\n",
279 win, sc->mem[win].addr, sc->mem[win].size, sc->mem[win].cardaddr);
280 exca_do_mem_map(sc, win);
286 * Private helper function. This turns off a given memory map that is in
287 * use. We do this by just clearing the enable bit in the pcic. If we needed
288 * to make memory unmapping/mapping pairs faster, we would have to store
289 * more state information about the pcic and then use that to intelligently
290 * to the map/unmap. However, since we don't do that sort of thing often
291 * (generally just at configure time), it isn't a case worth optimizing.
294 exca_mem_unmap(struct exca_softc *sc, int window)
296 if (window < 0 || window >= EXCA_MEM_WINS)
297 panic("exca_mem_unmap: window out of range");
299 exca_clrb(sc, EXCA_ADDRWIN_ENABLE, mem_map_index[window].memenable);
300 sc->memalloc &= ~(1 << window);
304 * Find the map that we're using to hold the resoruce. This works well
305 * so long as the client drivers don't do silly things like map the same
306 * area mutliple times, or map both common and attribute memory at the
307 * same time. This latter restriction is a bug. We likely should just
308 * store a pointer to the res in the mem[x] data structure.
311 exca_mem_findmap(struct exca_softc *sc, struct resource *res)
315 for (win = 0; win < EXCA_MEM_WINS; win++) {
316 if (sc->mem[win].memt == rman_get_bustag(res) &&
317 sc->mem[win].addr == rman_get_start(res) &&
318 sc->mem[win].size == rman_get_size(res))
325 * Set the memory flag. This means that we are setting if the memory
326 * is coming from attribute memory or from common memory on the card.
327 * CIS entries are generally in attribute memory (although they can
328 * reside in common memory). Generally, this is the only use for attribute
329 * memory. However, some cards require their drivers to dance in both
330 * common and/or attribute memory and this interface (and setting the
331 * offset interface) exist for such cards.
334 exca_mem_set_flags(struct exca_softc *sc, struct resource *res, uint32_t flags)
338 win = exca_mem_findmap(sc, res);
340 device_printf(sc->dev,
341 "set_res_flags: specified resource not active\n");
345 sc->mem[win].kind = flags;
346 exca_do_mem_map(sc, win);
351 * Given a resource, go ahead and unmap it if we can find it in the
352 * resrouce list that's used.
355 exca_mem_unmap_res(struct exca_softc *sc, struct resource *res)
359 win = exca_mem_findmap(sc, res);
362 exca_mem_unmap(sc, win);
367 * Set the offset of the memory. We use this for reading the CIS and
368 * frobbing the pccard's pccard registers (POR, etc). Some drivers
369 * need to access this functionality as well, since they have receive
370 * buffers defined in the attribute memory.
373 exca_mem_set_offset(struct exca_softc *sc, struct resource *res,
374 uint32_t cardaddr, uint32_t *deltap)
379 win = exca_mem_findmap(sc, res);
381 device_printf(sc->dev,
382 "set_memory_offset: specified resource not active\n");
385 sc->mem[win].cardaddr = cardaddr & ~(EXCA_MEM_PAGESIZE - 1);
386 delta = cardaddr % EXCA_MEM_PAGESIZE;
389 sc->mem[win].realsize = sc->mem[win].size + delta +
390 EXCA_MEM_PAGESIZE - 1;
391 sc->mem[win].realsize = sc->mem[win].realsize -
392 (sc->mem[win].realsize % EXCA_MEM_PAGESIZE);
393 exca_do_mem_map(sc, win);
400 #define EXCA_IOINFO(NUM) { \
401 EXCA_IOADDR ## NUM ## _START_LSB, \
402 EXCA_IOADDR ## NUM ## _START_MSB, \
403 EXCA_IOADDR ## NUM ## _STOP_LSB, \
404 EXCA_IOADDR ## NUM ## _STOP_MSB, \
405 EXCA_ADDRWIN_ENABLE_IO ## NUM, \
406 EXCA_IOCTL_IO ## NUM ## _WAITSTATE \
407 | EXCA_IOCTL_IO ## NUM ## _ZEROWAIT \
408 | EXCA_IOCTL_IO ## NUM ## _IOCS16SRC_MASK \
409 | EXCA_IOCTL_IO ## NUM ## _DATASIZE_MASK, \
411 EXCA_IOCTL_IO ## NUM ## _IOCS16SRC_CARD, \
412 EXCA_IOCTL_IO ## NUM ## _IOCS16SRC_DATASIZE \
413 | EXCA_IOCTL_IO ## NUM ## _DATASIZE_8BIT, \
414 EXCA_IOCTL_IO ## NUM ## _IOCS16SRC_DATASIZE \
415 | EXCA_IOCTL_IO ## NUM ## _DATASIZE_16BIT, \
419 static struct io_map_index_st {
426 int ioctlbits[3]; /* indexed by PCCARD_WIDTH_* */
434 exca_do_io_map(struct exca_softc *sc, int win)
436 struct io_map_index_st *map;
438 struct pccard_io_handle *io;
440 map = &io_map_index[win];
442 exca_putb(sc, map->start_lsb, io->addr & 0xff);
443 exca_putb(sc, map->start_msb, (io->addr >> 8) & 0xff);
445 exca_putb(sc, map->stop_lsb, (io->addr + io->size - 1) & 0xff);
446 exca_putb(sc, map->stop_msb, ((io->addr + io->size - 1) >> 8) & 0xff);
448 exca_clrb(sc, EXCA_IOCTL, map->ioctlmask);
449 exca_setb(sc, EXCA_IOCTL, map->ioctlbits[io->width]);
451 exca_setb(sc, EXCA_ADDRWIN_ENABLE, map->ioenable);
455 r1 = exca_getb(sc, map->start_msb);
456 r2 = exca_getb(sc, map->start_lsb);
457 r3 = exca_getb(sc, map->stop_msb);
458 r4 = exca_getb(sc, map->stop_lsb);
459 DPRINTF("exca_do_io_map window %d: %02x%02x %02x%02x "
460 "(%08x+%08x)\n", win, r1, r2, r3, r4,
467 exca_io_map(struct exca_softc *sc, int width, struct resource *r)
471 static char *width_names[] = { "auto", "io8", "io16"};
473 for (win=0; win < EXCA_IO_WINS; win++) {
474 if ((sc->ioalloc & (1 << win)) == 0) {
475 sc->ioalloc |= (1 << win);
479 if (win >= EXCA_IO_WINS)
482 sc->io[win].iot = rman_get_bustag(r);
483 sc->io[win].ioh = rman_get_bushandle(r);
484 sc->io[win].addr = rman_get_start(r);
485 sc->io[win].size = rman_get_end(r) - sc->io[win].addr + 1;
486 sc->io[win].flags = 0;
487 sc->io[win].width = width;
488 DPRINTF("exca_io_map window %d %s port %x+%x\n",
489 win, width_names[width], sc->io[win].addr,
491 exca_do_io_map(sc, win);
497 exca_io_unmap(struct exca_softc *sc, int window)
499 if (window >= EXCA_IO_WINS)
500 panic("exca_io_unmap: window out of range");
502 exca_clrb(sc, EXCA_ADDRWIN_ENABLE, io_map_index[window].ioenable);
504 sc->ioalloc &= ~(1 << window);
506 sc->io[window].iot = 0;
507 sc->io[window].ioh = 0;
508 sc->io[window].addr = 0;
509 sc->io[window].size = 0;
510 sc->io[window].flags = 0;
511 sc->io[window].width = 0;
515 exca_io_findmap(struct exca_softc *sc, struct resource *res)
519 for (win = 0; win < EXCA_IO_WINS; win++) {
520 if (sc->io[win].iot == rman_get_bustag(res) &&
521 sc->io[win].addr == rman_get_start(res) &&
522 sc->io[win].size == rman_get_size(res))
530 exca_io_unmap_res(struct exca_softc *sc, struct resource *res)
534 win = exca_io_findmap(sc, res);
537 exca_io_unmap(sc, win);
544 * If interrupts are enabled, then we should be able to just wait for
545 * an interrupt routine to wake us up. Busy waiting shouldn't be
546 * necessary. Sadly, not all legacy ISA cards support an interrupt
547 * for the busy state transitions, at least according to their datasheets,
548 * so we busy wait a while here..
551 exca_wait_ready(struct exca_softc *sc)
554 DEVPRINTF(sc->dev, "exca_wait_ready: status 0x%02x\n",
555 exca_getb(sc, EXCA_IF_STATUS));
556 for (i = 0; i < 10000; i++) {
557 if (exca_getb(sc, EXCA_IF_STATUS) & EXCA_IF_STATUS_READY)
561 device_printf(sc->dev, "ready never happened, status = %02x\n",
562 exca_getb(sc, EXCA_IF_STATUS));
566 * Reset the card. Ideally, we'd do a lot of this via interrupts.
567 * However, many PC Cards will deassert the ready signal. This means
568 * that they are asserting an interrupt. This makes it hard to
569 * do anything but a busy wait here. One could argue that these
570 * such cards are broken, or that the bridge that allows this sort
571 * of interrupt through isn't quite what you'd want (and may be a standards
572 * violation). However, such arguing would leave a huge class of pc cards
573 * and bridges out of reach for use in the system.
575 * Maybe I should reevaluate the above based on the power bug I fixed
579 exca_reset(struct exca_softc *sc, device_t child)
583 /* enable socket i/o */
584 exca_setb(sc, EXCA_PWRCTL, EXCA_PWRCTL_OE);
586 exca_putb(sc, EXCA_INTR, EXCA_INTR_ENABLE);
587 /* hold reset for 30ms */
589 /* clear the reset flag */
590 exca_setb(sc, EXCA_INTR, EXCA_INTR_RESET);
591 /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */
596 /* disable all address windows */
597 exca_putb(sc, EXCA_ADDRWIN_ENABLE, 0);
599 exca_setb(sc, EXCA_INTR, EXCA_INTR_CARDTYPE_IO);
600 DEVPRINTF(sc->dev, "card type is io\n");
602 /* reinstall all the memory and io mappings */
603 for (win = 0; win < EXCA_MEM_WINS; ++win)
604 if (sc->memalloc & (1 << win))
605 exca_do_mem_map(sc, win);
606 for (win = 0; win < EXCA_IO_WINS; ++win)
607 if (sc->ioalloc & (1 << win))
608 exca_do_io_map(sc, win);
612 * Initialize the exca_softc data structure for the first time.
615 exca_init(struct exca_softc *sc, device_t dev,
616 bus_space_tag_t bst, bus_space_handle_t bsh, uint32_t offset)
625 sc->getb = exca_mem_getb;
626 sc->putb = exca_mem_putb;
630 * Is this socket valid?
633 exca_valid_slot(struct exca_softc *exca)
637 /* Assume the worst */
638 exca->chipset = EXCA_BOGUS;
641 * see if there's a PCMCIA controller here
642 * Intel PCMCIA controllers use 0x82 and 0x83
643 * IBM clone chips use 0x88 and 0x89, apparently
645 c = exca_getb(exca, EXCA_IDENT);
646 if ((c & EXCA_IDENT_IFTYPE_MASK) != EXCA_IDENT_IFTYPE_MEM_AND_IO)
648 if ((c & EXCA_IDENT_ZERO) != 0)
650 switch (c & EXCA_IDENT_REV_MASK) {
654 case EXCA_IDENT_REV_I82365SLR0:
655 case EXCA_IDENT_REV_I82365SLR1:
656 exca->chipset = EXCA_I82365;
658 * Check for Vadem chips by unlocking their extra
659 * registers and looking for valid ID. Bit 3 in
660 * the ID register is normally 0, except when
661 * EXCA_VADEMREV is set. Other bridges appear
662 * to ignore this frobbing.
664 bus_space_write_1(exca->bst, exca->bsh, EXCA_REG_INDEX,
666 bus_space_write_1(exca->bst, exca->bsh, EXCA_REG_INDEX,
668 exca_setb(exca, EXCA_VADEM_VMISC, EXCA_VADEM_REV);
669 c = exca_getb(exca, EXCA_IDENT);
673 exca->chipset = EXCA_VG365;
676 exca->chipset = EXCA_VG465;
679 exca->chipset = EXCA_VG468;
682 exca->chipset = EXCA_VG469;
685 exca_clrb(exca, EXCA_VADEM_VMISC, EXCA_VADEM_REV);
689 * Check for RICOH RF5C[23]96 PCMCIA Controller
691 c = exca_getb(exca, EXCA_RICOH_ID);
692 if (c == EXCA_RID_396) {
693 exca->chipset = EXCA_RF5C396;
695 } else if (c == EXCA_RID_296) {
696 exca->chipset = EXCA_RF5C296;
700 * Check for Cirrus logic chips.
702 exca_putb(exca, EXCA_CIRRUS_CHIP_INFO, 0);
703 c = exca_getb(exca, EXCA_CIRRUS_CHIP_INFO);
704 if ((c & EXCA_CIRRUS_CHIP_INFO_CHIP_ID) ==
705 EXCA_CIRRUS_CHIP_INFO_CHIP_ID) {
706 c = exca_getb(exca, EXCA_CIRRUS_CHIP_INFO);
707 if ((c & EXCA_CIRRUS_CHIP_INFO_CHIP_ID) == 0) {
708 if (c & EXCA_CIRRUS_CHIP_INFO_SLOTS)
709 exca->chipset = EXCA_PD6722;
711 exca->chipset = EXCA_PD6710;
717 case EXCA_IDENT_REV_I82365SLDF:
719 * Intel i82365sl-DF step or maybe a vlsi 82c146
720 * we detected the vlsi case earlier, so if the controller
721 * isn't set, we know it is a i82365sl step D.
723 exca->chipset = EXCA_I82365SL_DF;
725 case EXCA_IDENT_REV_IBM1:
726 case EXCA_IDENT_REV_IBM2:
727 exca->chipset = EXCA_IBM;
729 case EXCA_IDENT_REV_IBM_KING:
730 exca->chipset = EXCA_IBM_KING;
739 * Probe the expected slots. We maybe should set the ID for each of these
740 * slots too while we're at it. But maybe that belongs to a separate
743 * The caller must guarantee that at least EXCA_NSLOTS are present in exca.
746 exca_probe_slots(device_t dev, struct exca_softc *exca, bus_space_tag_t iot,
747 bus_space_handle_t ioh)
753 for (i = 0; i < EXCA_NSLOTS; i++) {
754 exca_init(&exca[i], dev, iot, ioh, i * EXCA_SOCKET_SIZE);
755 exca->getb = exca_io_getb;
756 exca->putb = exca_io_putb;
757 if (exca_valid_slot(&exca[i]))
764 exca_insert(struct exca_softc *exca)
766 if (exca->pccarddev != NULL) {
767 if (CARD_ATTACH_CARD(exca->pccarddev) != 0)
768 device_printf(exca->dev,
769 "PC Card card activation failed\n");
771 device_printf(exca->dev,
772 "PC Card inserted, but no pccard bus.\n");
778 exca_removal(struct exca_softc *exca)
780 if (exca->pccarddev != NULL)
781 CARD_DETACH_CARD(exca->pccarddev);
785 exca_activate_resource(struct exca_softc *exca, device_t child, int type,
786 int rid, struct resource *res)
789 if (!(rman_get_flags(res) & RF_ACTIVE)) { /* not already activated */
792 err = exca_io_map(exca, PCCARD_WIDTH_AUTO, res);
795 err = exca_mem_map(exca, PCCARD_A_MEM_COM, res);
805 return (BUS_ACTIVATE_RESOURCE(device_get_parent(exca->dev), child,
810 exca_deactivate_resource(struct exca_softc *exca, device_t child, int type,
811 int rid, struct resource *res)
813 if (rman_get_flags(res) & RF_ACTIVE) { /* if activated */
816 if (exca_io_unmap_res(exca, res))
820 if (exca_mem_unmap_res(exca, res))
825 return (BUS_DEACTIVATE_RESOURCE(device_get_parent(exca->dev), child,
830 static struct resource *
831 exca_alloc_resource(struct exca_softc *sc, device_t child, int type, int *rid,
832 u_long start, u_long end, u_long count, uint flags)
834 struct resource *res = NULL;
839 if (start < cbb_start_mem)
840 start = cbb_start_mem;
843 flags = (flags & ~RF_ALIGNMENT_MASK) |
844 rman_make_alignment_flags(CBB_MEMALIGN);
847 if (start < cbb_start_16_io)
848 start = cbb_start_16_io;
853 tmp = rman_get_start(sc->irq_res);
854 if (start > tmp || end < tmp || count != 1) {
855 device_printf(child, "requested interrupt %ld-%ld,"
856 "count = %ld not supported by cbb\n",
860 flags |= RF_SHAREABLE;
861 start = end = rman_get_start(sc->irq_res);
864 res = BUS_ALLOC_RESOURCE(up, child, type, rid,
865 start, end, count, flags & ~RF_ACTIVE);
868 cbb_insert_res(sc, res, type, *rid);
869 if (flags & RF_ACTIVE) {
870 if (bus_activate_resource(child, type, *rid, res) != 0) {
871 bus_release_resource(child, type, *rid, res);
880 exca_release_resource(struct exca_softc *sc, device_t child, int type,
881 int rid, struct resource *res)
885 if (rman_get_flags(res) & RF_ACTIVE) {
886 error = bus_deactivate_resource(child, type, rid, res);
890 cbb_remove_res(sc, res);
891 return (BUS_RELEASE_RESOURCE(device_get_parent(brdev), child,
897 exca_modevent(module_t mod, int cmd, void *arg)
902 DEV_MODULE(exca, exca_modevent, NULL);
903 MODULE_VERSION(exca, 1);