2 * Copyright (c) 1998 - 2006 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)));
69 ata_pci_probe(device_t dev)
71 if (pci_get_class(dev) != PCIC_STORAGE)
74 switch (pci_get_vendor(dev)) {
76 if (!ata_acard_ident(dev))
79 case ATA_ACER_LABS_ID:
80 if (!ata_ali_ident(dev))
84 if (!ata_amd_ident(dev))
88 if (!ata_ati_ident(dev))
92 if (!ata_cyrix_ident(dev))
96 if (!ata_cypress_ident(dev))
99 case ATA_HIGHPOINT_ID:
100 if (!ata_highpoint_ident(dev))
104 if (!ata_intel_ident(dev))
108 if (!ata_ite_ident(dev))
112 if (!ata_jmicron_ident(dev))
116 if (!ata_marvell_ident(dev))
119 case ATA_NATIONAL_ID:
120 if (!ata_national_ident(dev))
124 if (!ata_nvidia_ident(dev))
128 if (!ata_promise_ident(dev))
131 case ATA_SERVERWORKS_ID:
132 if (!ata_serverworks_ident(dev))
135 case ATA_SILICON_IMAGE_ID:
136 if (!ata_sii_ident(dev))
140 if (!ata_sis_ident(dev))
144 if (!ata_via_ident(dev))
148 if (pci_get_devid(dev) == ATA_CENATEK_ROCKET) {
149 ata_generic_ident(dev);
150 device_set_desc(dev, "Cenatek Rocket Drive controller");
155 if (pci_get_devid(dev) == ATA_MICRON_RZ1000 ||
156 pci_get_devid(dev) == ATA_MICRON_RZ1001) {
157 ata_generic_ident(dev);
159 "RZ 100? ATA controller !WARNING! data loss/corruption risk");
165 /* unknown chipset, try generic DMA if it seems possible */
166 if ((pci_get_class(dev) == PCIC_STORAGE) &&
167 (pci_get_subclass(dev) == PCIS_STORAGE_IDE)) {
168 if (!ata_generic_ident(dev))
175 ata_pci_attach(device_t dev)
177 struct ata_pci_controller *ctlr = device_get_softc(dev);
181 /* do chipset specific setups only needed once */
182 if (ata_legacy(dev) || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK)
186 ctlr->allocate = ata_pci_allocate;
187 ctlr->dmainit = ata_pci_dmainit;
190 /* if needed try to enable busmastering */
191 cmd = pci_read_config(dev, PCIR_COMMAND, 2);
192 if (!(cmd & PCIM_CMD_BUSMASTEREN)) {
193 pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2);
194 cmd = pci_read_config(dev, PCIR_COMMAND, 2);
197 /* if busmastering mode "stuck" use it */
198 if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) {
199 ctlr->r_type1 = SYS_RES_IOPORT;
200 ctlr->r_rid1 = ATA_BMADDR_RID;
201 ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1,
205 if (ctlr->chipinit(dev))
208 /* attach all channels on this controller */
209 for (unit = 0; unit < ctlr->channels; unit++) {
210 if (unit == 0 && (pci_get_progif(dev) & 0x81) == 0x80) {
211 device_add_child(dev, "ata", unit);
214 if (unit == 1 && (pci_get_progif(dev) & 0x84) == 0x80) {
215 device_add_child(dev, "ata", unit);
218 device_add_child(dev, "ata", devclass_find_free_unit(ata_devclass, 2));
220 bus_generic_attach(dev);
225 ata_pci_detach(device_t dev)
227 struct ata_pci_controller *ctlr = device_get_softc(dev);
231 /* detach & delete all children */
232 if (!device_get_children(dev, &children, &nchildren)) {
233 for (i = 0; i < nchildren; i++)
234 device_delete_child(dev, children[i]);
235 free(children, M_TEMP);
239 bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle);
240 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ctlr->r_irq);
243 bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2);
245 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1);
251 ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
252 u_long start, u_long end, u_long count, u_int flags)
254 struct ata_pci_controller *controller = device_get_softc(dev);
255 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
256 struct resource *res = NULL;
259 if (type == SYS_RES_IOPORT) {
262 if (ata_legacy(dev)) {
263 start = (unit ? ATA_SECONDARY : ATA_PRIMARY);
265 end = start + count - 1;
267 myrid = PCIR_BAR(0) + (unit << 3);
268 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
269 SYS_RES_IOPORT, &myrid,
270 start, end, count, flags);
273 case ATA_CTLADDR_RID:
274 if (ata_legacy(dev)) {
275 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_CTLOFFSET;
276 count = ATA_CTLIOSIZE;
277 end = start + count - 1;
279 myrid = PCIR_BAR(1) + (unit << 3);
280 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
281 SYS_RES_IOPORT, &myrid,
282 start, end, count, flags);
286 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
287 if (ata_legacy(dev)) {
288 int irq = (unit == 0 ? 14 : 15);
290 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
291 SYS_RES_IRQ, rid, irq, irq, 1, flags);
294 res = controller->r_irq;
300 ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
303 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
305 if (type == SYS_RES_IOPORT) {
308 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
310 PCIR_BAR(0) + (unit << 3), r);
313 case ATA_CTLADDR_RID:
314 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
316 PCIR_BAR(1) + (unit << 3), r);
322 if (type == SYS_RES_IRQ) {
323 if (rid != ATA_IRQ_RID)
326 if (ata_legacy(dev)) {
327 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
328 SYS_RES_IRQ, rid, r);
337 ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
338 int flags, driver_intr_t *function, void *argument,
341 if (ata_legacy(dev)) {
342 return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
343 flags, function, argument, cookiep);
346 struct ata_pci_controller *controller = device_get_softc(dev);
347 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
349 controller->interrupt[unit].function = function;
350 controller->interrupt[unit].argument = argument;
351 *cookiep = controller;
357 ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
360 if (ata_legacy(dev)) {
361 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
364 struct ata_pci_controller *controller = device_get_softc(dev);
365 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
367 controller->interrupt[unit].function = NULL;
368 controller->interrupt[unit].argument = NULL;
374 ata_pci_allocate(device_t dev)
376 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
377 struct ata_channel *ch = device_get_softc(dev);
378 struct resource *io = NULL, *ctlio = NULL;
381 rid = ATA_IOADDR_RID;
382 if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE)))
385 rid = ATA_CTLADDR_RID;
386 if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,RF_ACTIVE))){
387 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
391 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) {
392 ch->r_io[i].res = io;
393 ch->r_io[i].offset = i;
395 ch->r_io[ATA_CONTROL].res = ctlio;
396 ch->r_io[ATA_CONTROL].offset = ata_legacy(device_get_parent(dev)) ? 0 : 2;
397 ch->r_io[ATA_IDX_ADDR].res = io;
398 ata_default_registers(dev);
400 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) {
401 ch->r_io[i].res = ctlr->r_res1;
402 ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE);
411 ata_pci_hw(device_t dev)
413 struct ata_channel *ch = device_get_softc(dev);
416 ch->hw.status = ata_pci_status;
420 ata_pci_status(device_t dev)
422 struct ata_channel *ch = device_get_softc(dev);
424 if ((dumping || !ata_legacy(device_get_parent(dev))) &&
425 ch->dma && ((ch->flags & ATA_ALWAYS_DMASTAT) ||
426 (ch->dma->flags & ATA_DMA_ACTIVE))) {
427 int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
429 if ((bmstat & (ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) !=
430 ATA_BMSTAT_INTERRUPT)
432 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR);
435 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) {
437 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY)
444 ata_pci_dmastart(device_t dev)
446 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
448 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) |
449 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
450 ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, ch->dma->sg_bus);
451 ch->dma->flags |= ATA_DMA_ACTIVE;
452 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
453 (ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) |
454 ((ch->dma->flags & ATA_DMA_READ) ? ATA_BMCMD_WRITE_READ : 0) |
455 ATA_BMCMD_START_STOP);
460 ata_pci_dmastop(device_t dev)
462 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
465 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
466 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
467 ch->dma->flags &= ~ATA_DMA_ACTIVE;
468 error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
469 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
474 ata_pci_dmareset(device_t dev)
476 struct ata_channel *ch = device_get_softc(dev);
478 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
479 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
480 ch->dma->flags &= ~ATA_DMA_ACTIVE;
481 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
482 ch->dma->unload(dev);
486 ata_pci_dmainit(device_t dev)
488 struct ata_channel *ch = device_get_softc(dev);
492 ch->dma->start = ata_pci_dmastart;
493 ch->dma->stop = ata_pci_dmastop;
494 ch->dma->reset = ata_pci_dmareset;
498 static device_method_t ata_pci_methods[] = {
499 /* device interface */
500 DEVMETHOD(device_probe, ata_pci_probe),
501 DEVMETHOD(device_attach, ata_pci_attach),
502 DEVMETHOD(device_detach, ata_pci_detach),
503 DEVMETHOD(device_shutdown, bus_generic_shutdown),
504 DEVMETHOD(device_suspend, bus_generic_suspend),
505 DEVMETHOD(device_resume, bus_generic_resume),
508 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource),
509 DEVMETHOD(bus_release_resource, ata_pci_release_resource),
510 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
511 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
512 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr),
513 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr),
518 devclass_t atapci_devclass;
520 static driver_t ata_pci_driver = {
523 sizeof(struct ata_pci_controller),
526 DRIVER_MODULE(atapci, pci, ata_pci_driver, atapci_devclass, 0, 0);
527 MODULE_VERSION(atapci, 1);
528 MODULE_DEPEND(atapci, ata, 1, 1, 1);
531 ata_pcichannel_probe(device_t dev)
533 struct ata_channel *ch = device_get_softc(dev);
538 /* take care of green memory */
539 bzero(ch, sizeof(struct ata_channel));
541 /* find channel number on this controller */
542 device_get_children(device_get_parent(dev), &children, &count);
543 for (i = 0; i < count; i++) {
544 if (children[i] == dev)
547 free(children, M_TEMP);
549 sprintf(buffer, "ATA channel %d", ch->unit);
550 device_set_desc_copy(dev, buffer);
552 return ata_probe(dev);
556 ata_pcichannel_attach(device_t dev)
558 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
559 struct ata_channel *ch = device_get_softc(dev);
567 if ((error = ctlr->allocate(dev)))
570 return ata_attach(dev);
574 ata_pcichannel_detach(device_t dev)
576 struct ata_channel *ch = device_get_softc(dev);
579 if ((error = ata_detach(dev)))
585 /* XXX SOS free resources for io and ctlio ?? */
591 ata_pcichannel_locking(device_t dev, int mode)
593 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
594 struct ata_channel *ch = device_get_softc(dev);
597 return ctlr->locking(dev, mode);
603 ata_pcichannel_reset(device_t dev)
605 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
606 struct ata_channel *ch = device_get_softc(dev);
608 /* if DMA engine present reset it */
612 ch->dma->unload(dev);
615 /* reset the controller HW */
619 ata_generic_reset(dev);
623 ata_pcichannel_setmode(device_t parent, device_t dev)
625 struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev));
626 struct ata_device *atadev = device_get_softc(dev);
627 int mode = atadev->mode;
629 ctlr->setmode(dev, ATA_PIO_MAX);
631 ctlr->setmode(dev, mode);
634 static device_method_t ata_pcichannel_methods[] = {
635 /* device interface */
636 DEVMETHOD(device_probe, ata_pcichannel_probe),
637 DEVMETHOD(device_attach, ata_pcichannel_attach),
638 DEVMETHOD(device_detach, ata_pcichannel_detach),
639 DEVMETHOD(device_shutdown, bus_generic_shutdown),
640 DEVMETHOD(device_suspend, ata_suspend),
641 DEVMETHOD(device_resume, ata_resume),
644 DEVMETHOD(ata_setmode, ata_pcichannel_setmode),
645 DEVMETHOD(ata_locking, ata_pcichannel_locking),
646 DEVMETHOD(ata_reset, ata_pcichannel_reset),
651 driver_t ata_pcichannel_driver = {
653 ata_pcichannel_methods,
654 sizeof(struct ata_channel),
657 DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, 0, 0);