2 * Copyright (c) 1998 - 2007 Søren Schmidt <sos@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
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.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
38 #include <sys/malloc.h>
40 #include <sys/taskqueue.h>
42 #include <machine/stdarg.h>
43 #include <machine/resource.h>
44 #include <machine/bus.h>
46 #include <dev/pci/pcivar.h>
47 #include <dev/pci/pcireg.h>
48 #include <dev/ata/ata-all.h>
49 #include <dev/ata/ata-pci.h>
53 static MALLOC_DEFINE(M_ATAPCI, "ata_pci", "ATA driver PCI");
56 #define IOMASK 0xfffffffc
57 #define ATA_PROBE_OK -10
60 ata_legacy(device_t dev)
62 return (((pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&&
63 ((pci_read_config(dev, PCIR_PROGIF, 1) &
64 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) !=
65 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))) ||
66 (!pci_read_config(dev, PCIR_BAR(0), 4) &&
67 !pci_read_config(dev, PCIR_BAR(1), 4) &&
68 !pci_read_config(dev, PCIR_BAR(2), 4) &&
69 !pci_read_config(dev, PCIR_BAR(3), 4) &&
70 !pci_read_config(dev, PCIR_BAR(5), 4)));
74 ata_pci_probe(device_t dev)
76 if (pci_get_class(dev) != PCIC_STORAGE)
79 switch (pci_get_vendor(dev)) {
81 if (!ata_acard_ident(dev))
84 case ATA_ACER_LABS_ID:
85 if (!ata_ali_ident(dev))
89 if (!ata_amd_ident(dev))
93 if (!ata_ati_ident(dev))
97 if (!ata_cyrix_ident(dev))
101 if (!ata_cypress_ident(dev))
104 case ATA_HIGHPOINT_ID:
105 if (!ata_highpoint_ident(dev))
109 if (!ata_intel_ident(dev))
113 if (!ata_ite_ident(dev))
117 if (!ata_jmicron_ident(dev))
121 if (!ata_marvell_ident(dev))
124 case ATA_NATIONAL_ID:
125 if (!ata_national_ident(dev))
129 if (!ata_netcell_ident(dev))
133 if (!ata_nvidia_ident(dev))
137 if (!ata_promise_ident(dev))
140 case ATA_SERVERWORKS_ID:
141 if (!ata_serverworks_ident(dev))
144 case ATA_SILICON_IMAGE_ID:
145 if (!ata_sii_ident(dev))
149 if (!ata_sis_ident(dev))
153 if (!ata_via_ident(dev))
157 if (pci_get_devid(dev) == ATA_CENATEK_ROCKET) {
158 ata_generic_ident(dev);
159 device_set_desc(dev, "Cenatek Rocket Drive controller");
164 if (pci_get_devid(dev) == ATA_MICRON_RZ1000 ||
165 pci_get_devid(dev) == ATA_MICRON_RZ1001) {
166 ata_generic_ident(dev);
168 "RZ 100? ATA controller !WARNING! data loss/corruption risk");
174 /* unknown chipset, try generic DMA if it seems possible */
175 if ((pci_get_class(dev) == PCIC_STORAGE) &&
176 (pci_get_subclass(dev) == PCIS_STORAGE_IDE)) {
177 if (!ata_generic_ident(dev))
184 ata_pci_attach(device_t dev)
186 struct ata_pci_controller *ctlr = device_get_softc(dev);
190 /* do chipset specific setups only needed once */
191 if (ata_legacy(dev) || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK)
195 ctlr->allocate = ata_pci_allocate;
196 ctlr->dmainit = ata_pci_dmainit;
199 /* if needed try to enable busmastering */
200 cmd = pci_read_config(dev, PCIR_COMMAND, 2);
201 if (!(cmd & PCIM_CMD_BUSMASTEREN)) {
202 pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2);
203 cmd = pci_read_config(dev, PCIR_COMMAND, 2);
206 /* if busmastering mode "stuck" use it */
207 if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) {
208 ctlr->r_type1 = SYS_RES_IOPORT;
209 ctlr->r_rid1 = ATA_BMADDR_RID;
210 ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1,
214 if (ctlr->chipinit(dev))
217 /* attach all channels on this controller */
218 for (unit = 0; unit < ctlr->channels; unit++) {
219 if ((unit == 0 || unit == 1) && ata_legacy(dev)) {
220 device_add_child(dev, "ata", unit);
223 device_add_child(dev, "ata", devclass_find_free_unit(ata_devclass, 2));
225 bus_generic_attach(dev);
230 ata_pci_detach(device_t dev)
232 struct ata_pci_controller *ctlr = device_get_softc(dev);
236 /* detach & delete all children */
237 if (!device_get_children(dev, &children, &nchildren)) {
238 for (i = 0; i < nchildren; i++)
239 device_delete_child(dev, children[i]);
240 free(children, M_TEMP);
244 bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle);
245 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ctlr->r_irq);
248 bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2);
250 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1);
256 ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
257 u_long start, u_long end, u_long count, u_int flags)
259 struct ata_pci_controller *controller = device_get_softc(dev);
260 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
261 struct resource *res = NULL;
264 if (type == SYS_RES_IOPORT) {
267 if (ata_legacy(dev)) {
268 start = (unit ? ATA_SECONDARY : ATA_PRIMARY);
270 end = start + count - 1;
272 myrid = PCIR_BAR(0) + (unit << 3);
273 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
274 SYS_RES_IOPORT, &myrid,
275 start, end, count, flags);
278 case ATA_CTLADDR_RID:
279 if (ata_legacy(dev)) {
280 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_CTLOFFSET;
281 count = ATA_CTLIOSIZE;
282 end = start + count - 1;
284 myrid = PCIR_BAR(1) + (unit << 3);
285 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
286 SYS_RES_IOPORT, &myrid,
287 start, end, count, flags);
291 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
292 if (ata_legacy(dev)) {
293 int irq = (unit == 0 ? 14 : 15);
295 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
296 SYS_RES_IRQ, rid, irq, irq, 1, flags);
299 res = controller->r_irq;
305 ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
308 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
310 if (type == SYS_RES_IOPORT) {
313 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
315 PCIR_BAR(0) + (unit << 3), r);
318 case ATA_CTLADDR_RID:
319 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
321 PCIR_BAR(1) + (unit << 3), r);
327 if (type == SYS_RES_IRQ) {
328 if (rid != ATA_IRQ_RID)
331 if (ata_legacy(dev)) {
332 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
333 SYS_RES_IRQ, rid, r);
342 ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
343 int flags, driver_filter_t *filter, driver_intr_t *function,
344 void *argument, void **cookiep)
346 if (ata_legacy(dev)) {
347 return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
348 flags, filter, function, argument, cookiep);
351 struct ata_pci_controller *controller = device_get_softc(dev);
352 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
354 if (filter != NULL) {
355 printf("ata-pci.c: we cannot use a filter here\n");
358 controller->interrupt[unit].function = function;
359 controller->interrupt[unit].argument = argument;
360 *cookiep = controller;
366 ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
369 if (ata_legacy(dev)) {
370 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
373 struct ata_pci_controller *controller = device_get_softc(dev);
374 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
376 controller->interrupt[unit].function = NULL;
377 controller->interrupt[unit].argument = NULL;
383 ata_pci_allocate(device_t dev)
385 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
386 struct ata_channel *ch = device_get_softc(dev);
387 struct resource *io = NULL, *ctlio = NULL;
390 rid = ATA_IOADDR_RID;
391 if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE)))
394 rid = ATA_CTLADDR_RID;
395 if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,RF_ACTIVE))){
396 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
400 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) {
401 ch->r_io[i].res = io;
402 ch->r_io[i].offset = i;
404 ch->r_io[ATA_CONTROL].res = ctlio;
405 ch->r_io[ATA_CONTROL].offset = ata_legacy(device_get_parent(dev)) ? 0 : 2;
406 ch->r_io[ATA_IDX_ADDR].res = io;
407 ata_default_registers(dev);
409 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) {
410 ch->r_io[i].res = ctlr->r_res1;
411 ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE);
420 ata_pci_hw(device_t dev)
422 struct ata_channel *ch = device_get_softc(dev);
425 ch->hw.status = ata_pci_status;
429 ata_pci_status(device_t dev)
431 struct ata_channel *ch = device_get_softc(dev);
433 if ((dumping || !ata_legacy(device_get_parent(dev))) &&
434 ch->dma && ((ch->flags & ATA_ALWAYS_DMASTAT) ||
435 (ch->dma->flags & ATA_DMA_ACTIVE))) {
436 int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
438 if ((bmstat & (ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) !=
439 ATA_BMSTAT_INTERRUPT)
441 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR);
444 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) {
446 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY)
453 ata_pci_dmastart(device_t dev)
455 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
457 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) |
458 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
459 ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, ch->dma->sg_bus);
460 ch->dma->flags |= ATA_DMA_ACTIVE;
461 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
462 (ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) |
463 ((ch->dma->flags & ATA_DMA_READ) ? ATA_BMCMD_WRITE_READ : 0) |
464 ATA_BMCMD_START_STOP);
469 ata_pci_dmastop(device_t dev)
471 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
474 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
475 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
476 ch->dma->flags &= ~ATA_DMA_ACTIVE;
477 error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
478 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
483 ata_pci_dmareset(device_t dev)
485 struct ata_channel *ch = device_get_softc(dev);
487 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
488 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
489 ch->dma->flags &= ~ATA_DMA_ACTIVE;
490 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
491 ch->dma->unload(dev);
495 ata_pci_dmainit(device_t dev)
497 struct ata_channel *ch = device_get_softc(dev);
501 ch->dma->start = ata_pci_dmastart;
502 ch->dma->stop = ata_pci_dmastop;
503 ch->dma->reset = ata_pci_dmareset;
507 static device_method_t ata_pci_methods[] = {
508 /* device interface */
509 DEVMETHOD(device_probe, ata_pci_probe),
510 DEVMETHOD(device_attach, ata_pci_attach),
511 DEVMETHOD(device_detach, ata_pci_detach),
512 DEVMETHOD(device_shutdown, bus_generic_shutdown),
513 DEVMETHOD(device_suspend, bus_generic_suspend),
514 DEVMETHOD(device_resume, bus_generic_resume),
517 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource),
518 DEVMETHOD(bus_release_resource, ata_pci_release_resource),
519 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
520 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
521 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr),
522 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr),
527 devclass_t atapci_devclass;
529 static driver_t ata_pci_driver = {
532 sizeof(struct ata_pci_controller),
535 DRIVER_MODULE(atapci, pci, ata_pci_driver, atapci_devclass, 0, 0);
536 MODULE_VERSION(atapci, 1);
537 MODULE_DEPEND(atapci, ata, 1, 1, 1);
540 ata_pcichannel_probe(device_t dev)
542 struct ata_channel *ch = device_get_softc(dev);
547 /* take care of green memory */
548 bzero(ch, sizeof(struct ata_channel));
550 /* find channel number on this controller */
551 device_get_children(device_get_parent(dev), &children, &count);
552 for (i = 0; i < count; i++) {
553 if (children[i] == dev)
556 free(children, M_TEMP);
558 sprintf(buffer, "ATA channel %d", ch->unit);
559 device_set_desc_copy(dev, buffer);
561 return ata_probe(dev);
565 ata_pcichannel_attach(device_t dev)
567 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
568 struct ata_channel *ch = device_get_softc(dev);
576 if ((error = ctlr->allocate(dev))) {
582 return ata_attach(dev);
586 ata_pcichannel_detach(device_t dev)
588 struct ata_channel *ch = device_get_softc(dev);
591 if ((error = ata_detach(dev)))
597 /* XXX SOS free resources for io and ctlio ?? */
603 ata_pcichannel_locking(device_t dev, int mode)
605 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
606 struct ata_channel *ch = device_get_softc(dev);
609 return ctlr->locking(dev, mode);
615 ata_pcichannel_reset(device_t dev)
617 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
618 struct ata_channel *ch = device_get_softc(dev);
620 /* if DMA engine present reset it */
624 ch->dma->unload(dev);
627 /* reset the controller HW */
631 ata_generic_reset(dev);
635 ata_pcichannel_setmode(device_t parent, device_t dev)
637 struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev));
638 struct ata_device *atadev = device_get_softc(dev);
639 int mode = atadev->mode;
641 ctlr->setmode(dev, ATA_PIO_MAX);
643 ctlr->setmode(dev, mode);
646 static device_method_t ata_pcichannel_methods[] = {
647 /* device interface */
648 DEVMETHOD(device_probe, ata_pcichannel_probe),
649 DEVMETHOD(device_attach, ata_pcichannel_attach),
650 DEVMETHOD(device_detach, ata_pcichannel_detach),
651 DEVMETHOD(device_shutdown, bus_generic_shutdown),
652 DEVMETHOD(device_suspend, ata_suspend),
653 DEVMETHOD(device_resume, ata_resume),
656 DEVMETHOD(ata_setmode, ata_pcichannel_setmode),
657 DEVMETHOD(ata_locking, ata_pcichannel_locking),
658 DEVMETHOD(ata_reset, ata_pcichannel_reset),
663 driver_t ata_pcichannel_driver = {
665 ata_pcichannel_methods,
666 sizeof(struct ata_channel),
669 DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, 0, 0);