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.
54 * $FreeBSD: src/sys/dev/exca/exca.c,v 1.19 2005/01/11 00:32:43 imp Exp $
55 * $DragonFly: src/sys/dev/pccard/exca/exca.c,v 1.4 2007/07/05 12:08:54 sephe Exp $
58 #include <sys/param.h>
59 #include <sys/systm.h>
60 #include <sys/errno.h>
61 #include <sys/kernel.h>
62 #include <sys/malloc.h>
63 #include <sys/queue.h>
64 #include <sys/module.h>
71 #include <bus/pccard/pccardreg.h>
72 #include <bus/pccard/pccardvar.h>
74 #include <dev/pccard/exca/excareg.h>
75 #include <dev/pccard/exca/excavar.h>
78 #define DEVPRINTF(dev, fmt, args...) device_printf((dev), (fmt), ## args)
79 #define DPRINTF(fmt, args...) kprintf(fmt, ## args)
81 #define DEVPRINTF(dev, fmt, args...)
82 #define DPRINTF(fmt, args...)
86 static const char *chip_names[] =
89 "Intel i82365SL-A/B or clone",
90 "Intel i82365sl-DF step",
92 "Cirrus Logic PD6710",
93 "Cirrus logic PD6722",
94 "Cirrus Logic PD6729",
102 "IBM KING PCMCIA Controller"
106 static exca_getb_fn exca_mem_getb;
107 static exca_putb_fn exca_mem_putb;
108 static exca_getb_fn exca_io_getb;
109 static exca_putb_fn exca_io_putb;
113 #define EXCA_MEMINFO(NUM) { \
114 EXCA_SYSMEM_ADDR ## NUM ## _START_LSB, \
115 EXCA_SYSMEM_ADDR ## NUM ## _START_MSB, \
116 EXCA_SYSMEM_ADDR ## NUM ## _STOP_LSB, \
117 EXCA_SYSMEM_ADDR ## NUM ## _STOP_MSB, \
118 EXCA_SYSMEM_ADDR ## NUM ## _WIN, \
119 EXCA_CARDMEM_ADDR ## NUM ## _LSB, \
120 EXCA_CARDMEM_ADDR ## NUM ## _MSB, \
121 EXCA_ADDRWIN_ENABLE_MEM ## NUM, \
124 static struct mem_map_index_st {
125 int sysmem_start_lsb;
126 int sysmem_start_msb;
133 } mem_map_index[] = {
143 exca_mem_getb(struct exca_softc *sc, int reg)
145 return (bus_space_read_1(sc->bst, sc->bsh, sc->offset + reg));
149 exca_mem_putb(struct exca_softc *sc, int reg, uint8_t val)
151 bus_space_write_1(sc->bst, sc->bsh, sc->offset + reg, val);
155 exca_io_getb(struct exca_softc *sc, int reg)
157 bus_space_write_1(sc->bst, sc->bsh, EXCA_REG_INDEX, reg + sc->offset);
158 return (bus_space_read_1(sc->bst, sc->bsh, EXCA_REG_DATA));
162 exca_io_putb(struct exca_softc *sc, int reg, uint8_t val)
164 bus_space_write_1(sc->bst, sc->bsh, EXCA_REG_INDEX, reg + sc->offset);
165 bus_space_write_1(sc->bst, sc->bsh, EXCA_REG_DATA, val);
169 * Helper function. This will map the requested memory slot. We setup the
170 * map before we call this function. This is used to initially force the
171 * mapping, as well as later restore the mapping after it has been destroyed
172 * in some fashion (due to a power event typically).
175 exca_do_mem_map(struct exca_softc *sc, int win)
177 struct mem_map_index_st *map;
178 struct pccard_mem_handle *mem;
181 map = &mem_map_index[win];
183 offset = ((mem->cardaddr >> EXCA_CARDMEM_ADDRX_SHIFT) -
184 (mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT)) & 0x3fff;
185 exca_putb(sc, map->sysmem_start_lsb,
186 (mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT) & 0xff);
187 exca_putb(sc, map->sysmem_start_msb,
188 ((mem->addr >> (EXCA_SYSMEM_ADDRX_SHIFT + 8)) &
189 EXCA_SYSMEM_ADDRX_START_MSB_ADDR_MASK));
191 exca_putb(sc, map->sysmem_stop_lsb,
192 ((mem->addr + mem->realsize - 1) >>
193 EXCA_SYSMEM_ADDRX_SHIFT) & 0xff);
194 exca_putb(sc, map->sysmem_stop_msb,
195 (((mem->addr + mem->realsize - 1) >>
196 (EXCA_SYSMEM_ADDRX_SHIFT + 8)) &
197 EXCA_SYSMEM_ADDRX_STOP_MSB_ADDR_MASK) |
198 EXCA_SYSMEM_ADDRX_STOP_MSB_WAIT2);
200 exca_putb(sc, map->sysmem_win,
201 (mem->addr >> EXCA_MEMREG_WIN_SHIFT) & 0xff);
203 exca_putb(sc, map->cardmem_lsb, offset & 0xff);
204 exca_putb(sc, map->cardmem_msb, (((offset >> 8) & 0xff) &
205 EXCA_CARDMEM_ADDRX_MSB_ADDR_MASK) |
206 ((mem->kind == PCCARD_A_MEM_ATTR) ?
207 EXCA_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0));
210 if (mem->kind == PCCARD_A_MEM_ATTR)
211 kprintf("attribtue memory\n");
213 kprintf("common memory\n");
215 exca_setb(sc, EXCA_ADDRWIN_ENABLE, map->memenable |
216 EXCA_ADDRWIN_ENABLE_MEMCS16);
221 int r1, r2, r3, r4, r5, r6, r7;
222 r1 = exca_getb(sc, map->sysmem_start_msb);
223 r2 = exca_getb(sc, map->sysmem_start_lsb);
224 r3 = exca_getb(sc, map->sysmem_stop_msb);
225 r4 = exca_getb(sc, map->sysmem_stop_lsb);
226 r5 = exca_getb(sc, map->cardmem_msb);
227 r6 = exca_getb(sc, map->cardmem_lsb);
228 r7 = exca_getb(sc, map->sysmem_win);
229 kprintf("exca_do_mem_map win %d: %02x%02x %02x%02x "
230 "%02x%02x %02x (%08x+%06x.%06x*%06x)\n",
231 win, r1, r2, r3, r4, r5, r6, r7,
232 mem->addr, mem->size, mem->realsize,
239 * public interface to map a resource. kind is the type of memory to
240 * map (either common or attribute). Memory created via this interface
241 * starts out at card address 0. Since the only way to set this is
242 * to set it on a struct resource after it has been mapped, we're safe
243 * in maping this assumption. Note that resources can be remapped using
244 * exca_do_mem_map so that's how the card address can be set later.
247 exca_mem_map(struct exca_softc *sc, int kind, struct resource *res)
251 for (win = 0; win < EXCA_MEM_WINS; win++) {
252 if ((sc->memalloc & (1 << win)) == 0) {
253 sc->memalloc |= (1 << win);
257 if (win >= EXCA_MEM_WINS)
259 if (((rman_get_start(res) >> EXCA_MEMREG_WIN_SHIFT) & 0xff) != 0 &&
260 (sc->flags & EXCA_HAS_MEMREG_WIN) == 0) {
261 device_printf(sc->dev, "Does not support mapping above 24M.");
265 sc->mem[win].cardaddr = 0;
266 sc->mem[win].memt = rman_get_bustag(res);
267 sc->mem[win].memh = rman_get_bushandle(res);
268 sc->mem[win].addr = rman_get_start(res);
269 sc->mem[win].size = rman_get_end(res) - sc->mem[win].addr + 1;
270 sc->mem[win].realsize = sc->mem[win].size + EXCA_MEM_PAGESIZE - 1;
271 sc->mem[win].realsize = sc->mem[win].realsize -
272 (sc->mem[win].realsize % EXCA_MEM_PAGESIZE);
273 sc->mem[win].kind = kind;
274 DPRINTF("exca_mem_map window %d bus %x+%x card addr %x\n",
275 win, sc->mem[win].addr, sc->mem[win].size, sc->mem[win].cardaddr);
276 exca_do_mem_map(sc, win);
282 * Private helper function. This turns off a given memory map that is in
283 * use. We do this by just clearing the enable bit in the pcic. If we needed
284 * to make memory unmapping/mapping pairs faster, we would have to store
285 * more state information about the pcic and then use that to intelligently
286 * to the map/unmap. However, since we don't do that sort of thing often
287 * (generally just at configure time), it isn't a case worth optimizing.
290 exca_mem_unmap(struct exca_softc *sc, int window)
292 if (window < 0 || window >= EXCA_MEM_WINS)
293 panic("exca_mem_unmap: window out of range");
295 exca_clrb(sc, EXCA_ADDRWIN_ENABLE, mem_map_index[window].memenable);
296 sc->memalloc &= ~(1 << window);
300 * Find the map that we're using to hold the resoruce. This works well
301 * so long as the client drivers don't do silly things like map the same
302 * area mutliple times, or map both common and attribute memory at the
303 * same time. This latter restriction is a bug. We likely should just
304 * store a pointer to the res in the mem[x] data structure.
307 exca_mem_findmap(struct exca_softc *sc, struct resource *res)
311 for (win = 0; win < EXCA_MEM_WINS; win++) {
312 if (sc->mem[win].memt == rman_get_bustag(res) &&
313 sc->mem[win].addr == rman_get_start(res) &&
314 sc->mem[win].size == rman_get_size(res))
321 * Set the memory flag. This means that we are setting if the memory
322 * is coming from attribute memory or from common memory on the card.
323 * CIS entries are generally in attribute memory (although they can
324 * reside in common memory). Generally, this is the only use for attribute
325 * memory. However, some cards require their drivers to dance in both
326 * common and/or attribute memory and this interface (and setting the
327 * offset interface) exist for such cards.
330 exca_mem_set_flags(struct exca_softc *sc, struct resource *res, uint32_t flags)
334 win = exca_mem_findmap(sc, res);
336 device_printf(sc->dev,
337 "set_res_flags: specified resource not active\n");
341 sc->mem[win].kind = flags;
342 exca_do_mem_map(sc, win);
347 * Given a resource, go ahead and unmap it if we can find it in the
348 * resrouce list that's used.
351 exca_mem_unmap_res(struct exca_softc *sc, struct resource *res)
355 win = exca_mem_findmap(sc, res);
358 exca_mem_unmap(sc, win);
363 * Set the offset of the memory. We use this for reading the CIS and
364 * frobbing the pccard's pccard registers (POR, etc). Some drivers
365 * need to access this functionality as well, since they have receive
366 * buffers defined in the attribute memory.
369 exca_mem_set_offset(struct exca_softc *sc, struct resource *res,
370 uint32_t cardaddr, uint32_t *deltap)
375 win = exca_mem_findmap(sc, res);
377 device_printf(sc->dev,
378 "set_memory_offset: specified resource not active\n");
381 sc->mem[win].cardaddr = cardaddr & ~(EXCA_MEM_PAGESIZE - 1);
382 delta = cardaddr % EXCA_MEM_PAGESIZE;
385 sc->mem[win].realsize = sc->mem[win].size + delta +
386 EXCA_MEM_PAGESIZE - 1;
387 sc->mem[win].realsize = sc->mem[win].realsize -
388 (sc->mem[win].realsize % EXCA_MEM_PAGESIZE);
389 exca_do_mem_map(sc, win);
396 #define EXCA_IOINFO(NUM) { \
397 EXCA_IOADDR ## NUM ## _START_LSB, \
398 EXCA_IOADDR ## NUM ## _START_MSB, \
399 EXCA_IOADDR ## NUM ## _STOP_LSB, \
400 EXCA_IOADDR ## NUM ## _STOP_MSB, \
401 EXCA_ADDRWIN_ENABLE_IO ## NUM, \
402 EXCA_IOCTL_IO ## NUM ## _WAITSTATE \
403 | EXCA_IOCTL_IO ## NUM ## _ZEROWAIT \
404 | EXCA_IOCTL_IO ## NUM ## _IOCS16SRC_MASK \
405 | EXCA_IOCTL_IO ## NUM ## _DATASIZE_MASK, \
407 EXCA_IOCTL_IO ## NUM ## _IOCS16SRC_CARD, \
408 EXCA_IOCTL_IO ## NUM ## _IOCS16SRC_DATASIZE \
409 | EXCA_IOCTL_IO ## NUM ## _DATASIZE_8BIT, \
410 EXCA_IOCTL_IO ## NUM ## _IOCS16SRC_DATASIZE \
411 | EXCA_IOCTL_IO ## NUM ## _DATASIZE_16BIT, \
415 static struct io_map_index_st {
422 int ioctlbits[3]; /* indexed by PCCARD_WIDTH_* */
430 exca_do_io_map(struct exca_softc *sc, int win)
432 struct io_map_index_st *map;
434 struct pccard_io_handle *io;
436 map = &io_map_index[win];
438 exca_putb(sc, map->start_lsb, io->addr & 0xff);
439 exca_putb(sc, map->start_msb, (io->addr >> 8) & 0xff);
441 exca_putb(sc, map->stop_lsb, (io->addr + io->size - 1) & 0xff);
442 exca_putb(sc, map->stop_msb, ((io->addr + io->size - 1) >> 8) & 0xff);
444 exca_clrb(sc, EXCA_IOCTL, map->ioctlmask);
445 exca_setb(sc, EXCA_IOCTL, map->ioctlbits[io->width]);
447 exca_setb(sc, EXCA_ADDRWIN_ENABLE, map->ioenable);
451 r1 = exca_getb(sc, map->start_msb);
452 r2 = exca_getb(sc, map->start_lsb);
453 r3 = exca_getb(sc, map->stop_msb);
454 r4 = exca_getb(sc, map->stop_lsb);
455 DPRINTF("exca_do_io_map window %d: %02x%02x %02x%02x "
456 "(%08x+%08x)\n", win, r1, r2, r3, r4,
463 exca_io_map(struct exca_softc *sc, int width, struct resource *r)
467 static char *width_names[] = { "auto", "io8", "io16"};
469 for (win=0; win < EXCA_IO_WINS; win++) {
470 if ((sc->ioalloc & (1 << win)) == 0) {
471 sc->ioalloc |= (1 << win);
475 if (win >= EXCA_IO_WINS)
478 sc->io[win].iot = rman_get_bustag(r);
479 sc->io[win].ioh = rman_get_bushandle(r);
480 sc->io[win].addr = rman_get_start(r);
481 sc->io[win].size = rman_get_end(r) - sc->io[win].addr + 1;
482 sc->io[win].flags = 0;
483 sc->io[win].width = width;
484 DPRINTF("exca_io_map window %d %s port %x+%x\n",
485 win, width_names[width], sc->io[win].addr,
487 exca_do_io_map(sc, win);
493 exca_io_unmap(struct exca_softc *sc, int window)
495 if (window >= EXCA_IO_WINS)
496 panic("exca_io_unmap: window out of range");
498 exca_clrb(sc, EXCA_ADDRWIN_ENABLE, io_map_index[window].ioenable);
500 sc->ioalloc &= ~(1 << window);
502 sc->io[window].iot = 0;
503 sc->io[window].ioh = 0;
504 sc->io[window].addr = 0;
505 sc->io[window].size = 0;
506 sc->io[window].flags = 0;
507 sc->io[window].width = 0;
511 exca_io_findmap(struct exca_softc *sc, struct resource *res)
515 for (win = 0; win < EXCA_IO_WINS; win++) {
516 if (sc->io[win].iot == rman_get_bustag(res) &&
517 sc->io[win].addr == rman_get_start(res) &&
518 sc->io[win].size == rman_get_size(res))
526 exca_io_unmap_res(struct exca_softc *sc, struct resource *res)
530 win = exca_io_findmap(sc, res);
533 exca_io_unmap(sc, win);
540 * If interrupts are enabled, then we should be able to just wait for
541 * an interrupt routine to wake us up. Busy waiting shouldn't be
542 * necessary. Sadly, not all legacy ISA cards support an interrupt
543 * for the busy state transitions, at least according to their datasheets,
544 * so we busy wait a while here..
547 exca_wait_ready(struct exca_softc *sc)
550 DEVPRINTF(sc->dev, "exca_wait_ready: status 0x%02x\n",
551 exca_getb(sc, EXCA_IF_STATUS));
552 for (i = 0; i < 10000; i++) {
553 if (exca_getb(sc, EXCA_IF_STATUS) & EXCA_IF_STATUS_READY)
557 device_printf(sc->dev, "ready never happened, status = %02x\n",
558 exca_getb(sc, EXCA_IF_STATUS));
562 * Reset the card. Ideally, we'd do a lot of this via interrupts.
563 * However, many PC Cards will deassert the ready signal. This means
564 * that they are asserting an interrupt. This makes it hard to
565 * do anything but a busy wait here. One could argue that these
566 * such cards are broken, or that the bridge that allows this sort
567 * of interrupt through isn't quite what you'd want (and may be a standards
568 * violation). However, such arguing would leave a huge class of pc cards
569 * and bridges out of reach for use in the system.
571 * Maybe I should reevaluate the above based on the power bug I fixed
575 exca_reset(struct exca_softc *sc, device_t child)
579 /* enable socket i/o */
580 exca_setb(sc, EXCA_PWRCTL, EXCA_PWRCTL_OE);
582 exca_putb(sc, EXCA_INTR, EXCA_INTR_ENABLE);
583 /* hold reset for 30ms */
585 /* clear the reset flag */
586 exca_setb(sc, EXCA_INTR, EXCA_INTR_RESET);
587 /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */
592 /* disable all address windows */
593 exca_putb(sc, EXCA_ADDRWIN_ENABLE, 0);
595 exca_setb(sc, EXCA_INTR, EXCA_INTR_CARDTYPE_IO);
596 DEVPRINTF(sc->dev, "card type is io\n");
598 /* reinstall all the memory and io mappings */
599 for (win = 0; win < EXCA_MEM_WINS; ++win)
600 if (sc->memalloc & (1 << win))
601 exca_do_mem_map(sc, win);
602 for (win = 0; win < EXCA_IO_WINS; ++win)
603 if (sc->ioalloc & (1 << win))
604 exca_do_io_map(sc, win);
608 * Initialize the exca_softc data structure for the first time.
611 exca_init(struct exca_softc *sc, device_t dev,
612 bus_space_tag_t bst, bus_space_handle_t bsh, uint32_t offset)
621 sc->getb = exca_mem_getb;
622 sc->putb = exca_mem_putb;
626 * Is this socket valid?
629 exca_valid_slot(struct exca_softc *exca)
633 /* Assume the worst */
634 exca->chipset = EXCA_BOGUS;
637 * see if there's a PCMCIA controller here
638 * Intel PCMCIA controllers use 0x82 and 0x83
639 * IBM clone chips use 0x88 and 0x89, apparently
641 c = exca_getb(exca, EXCA_IDENT);
642 if ((c & EXCA_IDENT_IFTYPE_MASK) != EXCA_IDENT_IFTYPE_MEM_AND_IO)
644 if ((c & EXCA_IDENT_ZERO) != 0)
646 switch (c & EXCA_IDENT_REV_MASK) {
650 case EXCA_IDENT_REV_I82365SLR0:
651 case EXCA_IDENT_REV_I82365SLR1:
652 exca->chipset = EXCA_I82365;
654 * Check for Vadem chips by unlocking their extra
655 * registers and looking for valid ID. Bit 3 in
656 * the ID register is normally 0, except when
657 * EXCA_VADEMREV is set. Other bridges appear
658 * to ignore this frobbing.
660 bus_space_write_1(exca->bst, exca->bsh, EXCA_REG_INDEX,
662 bus_space_write_1(exca->bst, exca->bsh, EXCA_REG_INDEX,
664 exca_setb(exca, EXCA_VADEM_VMISC, EXCA_VADEM_REV);
665 c = exca_getb(exca, EXCA_IDENT);
669 exca->chipset = EXCA_VG365;
672 exca->chipset = EXCA_VG465;
675 exca->chipset = EXCA_VG468;
678 exca->chipset = EXCA_VG469;
681 exca_clrb(exca, EXCA_VADEM_VMISC, EXCA_VADEM_REV);
685 * Check for RICOH RF5C[23]96 PCMCIA Controller
687 c = exca_getb(exca, EXCA_RICOH_ID);
688 if (c == EXCA_RID_396) {
689 exca->chipset = EXCA_RF5C396;
691 } else if (c == EXCA_RID_296) {
692 exca->chipset = EXCA_RF5C296;
696 * Check for Cirrus logic chips.
698 exca_putb(exca, EXCA_CIRRUS_CHIP_INFO, 0);
699 c = exca_getb(exca, EXCA_CIRRUS_CHIP_INFO);
700 if ((c & EXCA_CIRRUS_CHIP_INFO_CHIP_ID) ==
701 EXCA_CIRRUS_CHIP_INFO_CHIP_ID) {
702 c = exca_getb(exca, EXCA_CIRRUS_CHIP_INFO);
703 if ((c & EXCA_CIRRUS_CHIP_INFO_CHIP_ID) == 0) {
704 if (c & EXCA_CIRRUS_CHIP_INFO_SLOTS)
705 exca->chipset = EXCA_PD6722;
707 exca->chipset = EXCA_PD6710;
713 case EXCA_IDENT_REV_I82365SLDF:
715 * Intel i82365sl-DF step or maybe a vlsi 82c146
716 * we detected the vlsi case earlier, so if the controller
717 * isn't set, we know it is a i82365sl step D.
719 exca->chipset = EXCA_I82365SL_DF;
721 case EXCA_IDENT_REV_IBM1:
722 case EXCA_IDENT_REV_IBM2:
723 exca->chipset = EXCA_IBM;
725 case EXCA_IDENT_REV_IBM_KING:
726 exca->chipset = EXCA_IBM_KING;
735 * Probe the expected slots. We maybe should set the ID for each of these
736 * slots too while we're at it. But maybe that belongs to a separate
739 * The caller must guarantee that at least EXCA_NSLOTS are present in exca.
742 exca_probe_slots(device_t dev, struct exca_softc *exca, bus_space_tag_t iot,
743 bus_space_handle_t ioh)
749 for (i = 0; i < EXCA_NSLOTS; i++) {
750 exca_init(&exca[i], dev, iot, ioh, i * EXCA_SOCKET_SIZE);
751 exca->getb = exca_io_getb;
752 exca->putb = exca_io_putb;
753 if (exca_valid_slot(&exca[i]))
760 exca_insert(struct exca_softc *exca)
762 if (exca->pccarddev != NULL) {
763 if (CARD_ATTACH_CARD(exca->pccarddev) != 0)
764 device_printf(exca->dev,
765 "PC Card card activation failed\n");
767 device_printf(exca->dev,
768 "PC Card inserted, but no pccard bus.\n");
774 exca_removal(struct exca_softc *exca)
776 if (exca->pccarddev != NULL)
777 CARD_DETACH_CARD(exca->pccarddev);
781 exca_activate_resource(struct exca_softc *exca, device_t child, int type,
782 int rid, struct resource *res)
785 if (!(rman_get_flags(res) & RF_ACTIVE)) { /* not already activated */
788 err = exca_io_map(exca, PCCARD_WIDTH_AUTO, res);
791 err = exca_mem_map(exca, PCCARD_A_MEM_COM, res);
801 return (BUS_ACTIVATE_RESOURCE(device_get_parent(exca->dev), child,
806 exca_deactivate_resource(struct exca_softc *exca, device_t child, int type,
807 int rid, struct resource *res)
809 if (rman_get_flags(res) & RF_ACTIVE) { /* if activated */
812 if (exca_io_unmap_res(exca, res))
816 if (exca_mem_unmap_res(exca, res))
821 return (BUS_DEACTIVATE_RESOURCE(device_get_parent(exca->dev), child,
826 static struct resource *
827 exca_alloc_resource(struct exca_softc *sc, device_t child, int type, int *rid,
828 u_long start, u_long end, u_long count, uint flags)
830 struct resource *res = NULL;
835 if (start < cbb_start_mem)
836 start = cbb_start_mem;
839 flags = (flags & ~RF_ALIGNMENT_MASK) |
840 rman_make_alignment_flags(CBB_MEMALIGN);
843 if (start < cbb_start_16_io)
844 start = cbb_start_16_io;
849 tmp = rman_get_start(sc->irq_res);
850 if (start > tmp || end < tmp || count != 1) {
851 device_printf(child, "requested interrupt %ld-%ld,"
852 "count = %ld not supported by cbb\n",
856 flags |= RF_SHAREABLE;
857 start = end = rman_get_start(sc->irq_res);
860 res = BUS_ALLOC_RESOURCE(up, child, type, rid,
861 start, end, count, flags & ~RF_ACTIVE);
864 cbb_insert_res(sc, res, type, *rid);
865 if (flags & RF_ACTIVE) {
866 if (bus_activate_resource(child, type, *rid, res) != 0) {
867 bus_release_resource(child, type, *rid, res);
876 exca_release_resource(struct exca_softc *sc, device_t child, int type,
877 int rid, struct resource *res)
881 if (rman_get_flags(res) & RF_ACTIVE) {
882 error = bus_deactivate_resource(child, type, rid, res);
886 cbb_remove_res(sc, res);
887 return (BUS_RELEASE_RESOURCE(device_get_parent(brdev), child,
893 exca_modevent(module_t mod, int cmd, void *arg)
898 DEV_MODULE(exca, exca_modevent, NULL);
899 MODULE_VERSION(exca, 1);