2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
39 #include <sys/malloc.h>
41 #include <sys/taskqueue.h>
43 #include <machine/stdarg.h>
44 #include <machine/resource.h>
45 #include <machine/bus.h>
47 #include <dev/pci/pcivar.h>
48 #include <dev/pci/pcireg.h>
49 #include <dev/ata/ata-all.h>
50 #include <dev/ata/ata-pci.h>
53 MALLOC_DEFINE(M_ATAPCI, "ata_pci", "ATA driver PCI");
56 #define IOMASK 0xfffffffc
59 * generic PCI ATA device probe
62 ata_pci_probe(device_t dev)
64 struct ata_pci_controller *ctlr = device_get_softc(dev);
67 /* is this a storage class device ? */
68 if (pci_get_class(dev) != PCIC_STORAGE)
71 /* is this an IDE/ATA type device ? */
72 if (pci_get_subclass(dev) != PCIS_STORAGE_IDE)
75 sprintf(buffer, "%s ATA controller", ata_pcivendor2str(dev));
76 device_set_desc_copy(dev, buffer);
77 ctlr->chipinit = ata_generic_chipinit;
79 /* we are a low priority handler */
80 return (BUS_PROBE_GENERIC);
84 ata_pci_attach(device_t dev)
86 struct ata_pci_controller *ctlr = device_get_softc(dev);
91 /* do chipset specific setups only needed once */
92 ctlr->legacy = ata_legacy(dev);
93 if (ctlr->legacy || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK)
98 ctlr->ch_attach = ata_pci_ch_attach;
99 ctlr->ch_detach = ata_pci_ch_detach;
102 /* if needed try to enable busmastering */
103 pci_enable_busmaster(dev);
104 cmd = pci_read_config(dev, PCIR_COMMAND, 2);
106 /* if busmastering mode "stuck" use it */
107 if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) {
108 ctlr->r_type1 = SYS_RES_IOPORT;
109 ctlr->r_rid1 = ATA_BMADDR_RID;
110 ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1,
114 if (ctlr->chipinit(dev)) {
116 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1,
121 /* attach all channels on this controller */
122 for (unit = 0; unit < ctlr->channels; unit++) {
123 if ((ctlr->ichannels & (1 << unit)) == 0)
125 child = device_add_child(dev, "ata",
126 ((unit == 0 || unit == 1) && ctlr->legacy) ?
127 unit : devclass_find_free_unit(ata_devclass, 2));
129 device_printf(dev, "failed to add ata child device\n");
131 device_set_ivars(child, (void *)(intptr_t)unit);
133 bus_generic_attach(dev);
138 ata_pci_detach(device_t dev)
140 struct ata_pci_controller *ctlr = device_get_softc(dev);
142 /* detach & delete all children */
143 device_delete_children(dev);
146 bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle);
147 bus_release_resource(dev, SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq);
148 if (ctlr->r_irq_rid != ATA_IRQ_RID)
149 pci_release_msi(dev);
151 if (ctlr->chipdeinit != NULL)
152 ctlr->chipdeinit(dev);
155 bus_space_unmap(rman_get_bustag(ctlr->r_res2),
156 rman_get_bushandle(ctlr->r_res2), rman_get_size(ctlr->r_res2));
158 bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2);
162 bus_space_unmap(rman_get_bustag(ctlr->r_res1),
163 rman_get_bushandle(ctlr->r_res1), rman_get_size(ctlr->r_res1));
165 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1);
172 ata_pci_suspend(device_t dev)
174 struct ata_pci_controller *ctlr = device_get_softc(dev);
177 bus_generic_suspend(dev);
179 error = ctlr->suspend(dev);
184 ata_pci_resume(device_t dev)
186 struct ata_pci_controller *ctlr = device_get_softc(dev);
190 error = ctlr->resume(dev);
191 bus_generic_resume(dev);
196 ata_pci_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
199 return (BUS_READ_IVAR(device_get_parent(dev), dev, which, result));
203 ata_pci_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
206 return (BUS_WRITE_IVAR(device_get_parent(dev), dev, which, value));
210 ata_pci_read_config(device_t dev, device_t child, int reg, int width)
213 return (pci_read_config(dev, reg, width));
217 ata_pci_write_config(device_t dev, device_t child, int reg,
218 uint32_t val, int width)
221 pci_write_config(dev, reg, val, width);
225 ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
226 rman_res_t start, rman_res_t end, rman_res_t count,
229 struct ata_pci_controller *controller = device_get_softc(dev);
230 struct resource *res = NULL;
232 if (device_get_devclass(child) == ata_devclass) {
233 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
236 if (type == SYS_RES_IOPORT) {
239 if (controller->legacy) {
240 start = (unit ? ATA_SECONDARY : ATA_PRIMARY);
242 end = start + count - 1;
244 myrid = PCIR_BAR(0) + (unit << 3);
245 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
246 SYS_RES_IOPORT, &myrid,
247 start, end, count, flags);
249 case ATA_CTLADDR_RID:
250 if (controller->legacy) {
251 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) +
253 count = ATA_CTLIOSIZE;
254 end = start + count - 1;
256 myrid = PCIR_BAR(1) + (unit << 3);
257 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
258 SYS_RES_IOPORT, &myrid,
259 start, end, count, flags);
263 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
264 if (controller->legacy) {
265 int irq = (unit == 0 ? 14 : 15);
267 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
268 SYS_RES_IRQ, rid, irq, irq, 1, flags);
270 res = controller->r_irq;
273 if (type == SYS_RES_IRQ) {
274 if (*rid != ATA_IRQ_RID)
276 res = controller->r_irq;
278 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
279 type, rid, start, end, count, flags);
286 ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
290 if (device_get_devclass(child) == ata_devclass) {
291 struct ata_pci_controller *controller = device_get_softc(dev);
292 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
294 if (type == SYS_RES_IOPORT) {
297 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
299 PCIR_BAR(0) + (unit << 3), r);
300 case ATA_CTLADDR_RID:
301 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
303 PCIR_BAR(1) + (unit << 3), r);
308 if (type == SYS_RES_IRQ) {
309 if (rid != ATA_IRQ_RID)
311 if (controller->legacy) {
312 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
313 SYS_RES_IRQ, rid, r);
318 if (type == SYS_RES_IRQ) {
319 if (rid != ATA_IRQ_RID)
323 return (BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
331 ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
332 int flags, driver_filter_t *filter, driver_intr_t *function,
333 void *argument, void **cookiep)
335 struct ata_pci_controller *controller = device_get_softc(dev);
337 if (controller->legacy) {
338 return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
339 flags, filter, function, argument, cookiep);
341 struct ata_pci_controller *controller = device_get_softc(dev);
344 if (filter != NULL) {
345 printf("ata-pci.c: we cannot use a filter here\n");
348 if (device_get_devclass(child) == ata_devclass)
349 unit = ((struct ata_channel *)device_get_softc(child))->unit;
351 unit = ATA_PCI_MAX_CH - 1;
352 controller->interrupt[unit].function = function;
353 controller->interrupt[unit].argument = argument;
354 *cookiep = controller;
360 ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
363 struct ata_pci_controller *controller = device_get_softc(dev);
365 if (controller->legacy) {
366 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
368 struct ata_pci_controller *controller = device_get_softc(dev);
371 if (device_get_devclass(child) == ata_devclass)
372 unit = ((struct ata_channel *)device_get_softc(child))->unit;
374 unit = ATA_PCI_MAX_CH - 1;
375 controller->interrupt[unit].function = NULL;
376 controller->interrupt[unit].argument = NULL;
382 ata_generic_setmode(device_t dev, int target, int mode)
385 return (min(mode, ATA_UDMA2));
389 ata_generic_chipinit(device_t dev)
391 struct ata_pci_controller *ctlr = device_get_softc(dev);
393 if (ata_setup_interrupt(dev, ata_generic_intr))
395 ctlr->setmode = ata_generic_setmode;
400 ata_pci_ch_attach(device_t dev)
402 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
403 struct ata_channel *ch = device_get_softc(dev);
404 struct resource *io = NULL, *ctlio = NULL;
407 rid = ATA_IOADDR_RID;
408 if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE)))
411 rid = ATA_CTLADDR_RID;
412 if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,RF_ACTIVE))){
413 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
417 ata_pci_dmainit(dev);
419 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) {
420 ch->r_io[i].res = io;
421 ch->r_io[i].offset = i;
423 ch->r_io[ATA_CONTROL].res = ctlio;
424 ch->r_io[ATA_CONTROL].offset = ctlr->legacy ? 0 : 2;
425 ch->r_io[ATA_IDX_ADDR].res = io;
426 ata_default_registers(dev);
428 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) {
429 ch->r_io[i].res = ctlr->r_res1;
430 ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE);
439 ata_pci_ch_detach(device_t dev)
441 struct ata_channel *ch = device_get_softc(dev);
443 ata_pci_dmafini(dev);
445 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
446 ch->r_io[ATA_CONTROL].res);
447 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
448 ch->r_io[ATA_IDX_ADDR].res);
454 ata_pci_status(device_t dev)
456 struct ata_pci_controller *controller =
457 device_get_softc(device_get_parent(dev));
458 struct ata_channel *ch = device_get_softc(dev);
460 if ((dumping || !controller->legacy) &&
461 ((ch->flags & ATA_ALWAYS_DMASTAT) ||
462 (ch->dma.flags & ATA_DMA_ACTIVE))) {
463 int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
465 if ((bmstat & ATA_BMSTAT_INTERRUPT) == 0)
467 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR);
470 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) {
472 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY)
479 ata_pci_hw(device_t dev)
481 struct ata_channel *ch = device_get_softc(dev);
484 ch->hw.status = ata_pci_status;
488 ata_pci_dmastart(struct ata_request *request)
490 struct ata_channel *ch = device_get_softc(request->parent);
492 ATA_DEBUG_RQ(request, "dmastart");
494 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) |
495 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
496 ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, request->dma->sg_bus);
497 ch->dma.flags |= ATA_DMA_ACTIVE;
498 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
499 (ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) |
500 ((request->flags & ATA_R_READ) ? ATA_BMCMD_WRITE_READ : 0)|
501 ATA_BMCMD_START_STOP);
506 ata_pci_dmastop(struct ata_request *request)
508 struct ata_channel *ch = device_get_softc(request->parent);
511 ATA_DEBUG_RQ(request, "dmastop");
513 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
514 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
515 ch->dma.flags &= ~ATA_DMA_ACTIVE;
516 error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
517 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
522 ata_pci_dmareset(device_t dev)
524 struct ata_channel *ch = device_get_softc(dev);
525 struct ata_request *request;
527 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
528 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
529 ch->dma.flags &= ~ATA_DMA_ACTIVE;
530 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
531 if ((request = ch->running)) {
532 device_printf(dev, "DMA reset calling unload\n");
533 ch->dma.unload(request);
538 ata_pci_dmainit(device_t dev)
540 struct ata_channel *ch = device_get_softc(dev);
543 ch->dma.start = ata_pci_dmastart;
544 ch->dma.stop = ata_pci_dmastop;
545 ch->dma.reset = ata_pci_dmareset;
549 ata_pci_dmafini(device_t dev)
556 ata_pci_print_child(device_t dev, device_t child)
560 retval = bus_print_child_header(dev, child);
561 retval += printf(" at channel %d",
562 (int)(intptr_t)device_get_ivars(child));
563 retval += bus_print_child_footer(dev, child);
569 ata_pci_child_location_str(device_t dev, device_t child, char *buf,
573 snprintf(buf, buflen, "channel=%d",
574 (int)(intptr_t)device_get_ivars(child));
579 ata_pci_get_dma_tag(device_t bus, device_t child)
582 return (bus_get_dma_tag(bus));
585 static device_method_t ata_pci_methods[] = {
586 /* device interface */
587 DEVMETHOD(device_probe, ata_pci_probe),
588 DEVMETHOD(device_attach, ata_pci_attach),
589 DEVMETHOD(device_detach, ata_pci_detach),
590 DEVMETHOD(device_suspend, ata_pci_suspend),
591 DEVMETHOD(device_resume, ata_pci_resume),
592 DEVMETHOD(device_shutdown, bus_generic_shutdown),
595 DEVMETHOD(bus_read_ivar, ata_pci_read_ivar),
596 DEVMETHOD(bus_write_ivar, ata_pci_write_ivar),
597 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource),
598 DEVMETHOD(bus_release_resource, ata_pci_release_resource),
599 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
600 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
601 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr),
602 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr),
603 DEVMETHOD(pci_read_config, ata_pci_read_config),
604 DEVMETHOD(pci_write_config, ata_pci_write_config),
605 DEVMETHOD(bus_print_child, ata_pci_print_child),
606 DEVMETHOD(bus_child_location_str, ata_pci_child_location_str),
607 DEVMETHOD(bus_get_dma_tag, ata_pci_get_dma_tag),
612 devclass_t ata_pci_devclass;
614 static driver_t ata_pci_driver = {
617 sizeof(struct ata_pci_controller),
620 DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, NULL, NULL);
621 MODULE_VERSION(atapci, 1);
622 MODULE_DEPEND(atapci, ata, 1, 1, 1);
625 ata_pcichannel_probe(device_t dev)
628 if ((intptr_t)device_get_ivars(dev) < 0)
630 device_set_desc(dev, "ATA channel");
632 return ata_probe(dev);
636 ata_pcichannel_attach(device_t dev)
638 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
639 struct ata_channel *ch = device_get_softc(dev);
647 ch->unit = (intptr_t)device_get_ivars(dev);
649 resource_int_value(device_get_name(dev),
650 device_get_unit(dev), "pm_level", &ch->pm_level);
652 if ((error = ctlr->ch_attach(dev)))
655 return ata_attach(dev);
659 ata_pcichannel_detach(device_t dev)
661 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
662 struct ata_channel *ch = device_get_softc(dev);
669 if ((error = ata_detach(dev)))
673 return (ctlr->ch_detach(dev));
678 ata_pcichannel_suspend(device_t dev)
680 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
681 struct ata_channel *ch = device_get_softc(dev);
687 if ((error = ata_suspend(dev)))
690 if (ctlr->ch_suspend != NULL && (error = ctlr->ch_suspend(dev)))
697 ata_pcichannel_resume(device_t dev)
699 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
700 struct ata_channel *ch = device_get_softc(dev);
706 if (ctlr->ch_resume != NULL && (error = ctlr->ch_resume(dev)))
709 return ata_resume(dev);
713 ata_pcichannel_reset(device_t dev)
715 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
716 struct ata_channel *ch = device_get_softc(dev);
718 /* if DMA engine present reset it */
722 /* reset the controller HW */
726 ata_generic_reset(dev);
730 ata_pcichannel_setmode(device_t dev, int target, int mode)
732 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
735 return (ctlr->setmode(dev, target, mode));
737 return (ata_generic_setmode(dev, target, mode));
741 ata_pcichannel_getrev(device_t dev, int target)
743 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
744 struct ata_channel *ch = device_get_softc(dev);
746 if (ch->flags & ATA_SATA) {
748 return (ctlr->getrev(dev, target));
755 static device_method_t ata_pcichannel_methods[] = {
756 /* device interface */
757 DEVMETHOD(device_probe, ata_pcichannel_probe),
758 DEVMETHOD(device_attach, ata_pcichannel_attach),
759 DEVMETHOD(device_detach, ata_pcichannel_detach),
760 DEVMETHOD(device_shutdown, bus_generic_shutdown),
761 DEVMETHOD(device_suspend, ata_pcichannel_suspend),
762 DEVMETHOD(device_resume, ata_pcichannel_resume),
765 DEVMETHOD(ata_setmode, ata_pcichannel_setmode),
766 DEVMETHOD(ata_getrev, ata_pcichannel_getrev),
767 DEVMETHOD(ata_reset, ata_pcichannel_reset),
772 driver_t ata_pcichannel_driver = {
774 ata_pcichannel_methods,
775 sizeof(struct ata_channel),
778 DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, NULL, NULL);
781 * misc support fucntions
784 ata_legacy(device_t dev)
786 return (((pci_read_config(dev, PCIR_SUBCLASS, 1) == PCIS_STORAGE_IDE) &&
787 (pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&&
788 ((pci_read_config(dev, PCIR_PROGIF, 1) &
789 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) !=
790 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))) ||
791 (!pci_read_config(dev, PCIR_BAR(0), 4) &&
792 !pci_read_config(dev, PCIR_BAR(1), 4) &&
793 !pci_read_config(dev, PCIR_BAR(2), 4) &&
794 !pci_read_config(dev, PCIR_BAR(3), 4) &&
795 !pci_read_config(dev, PCIR_BAR(5), 4)));
799 ata_generic_intr(void *data)
801 struct ata_pci_controller *ctlr = data;
802 struct ata_channel *ch;
805 for (unit = 0; unit < ATA_PCI_MAX_CH; unit++) {
806 if ((ch = ctlr->interrupt[unit].argument))
807 ctlr->interrupt[unit].function(ch);
812 ata_setup_interrupt(device_t dev, void *intr_func)
814 struct ata_pci_controller *ctlr = device_get_softc(dev);
818 if (resource_int_value(device_get_name(dev),
819 device_get_unit(dev), "msi", &i) == 0 && i != 0)
821 if (msi && pci_msi_count(dev) > 0 && pci_alloc_msi(dev, &msi) == 0) {
822 ctlr->r_irq_rid = 0x1;
825 ctlr->r_irq_rid = ATA_IRQ_RID;
827 if (!(ctlr->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
828 &ctlr->r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
829 device_printf(dev, "unable to map interrupt\n");
831 pci_release_msi(dev);
834 if ((bus_setup_intr(dev, ctlr->r_irq, ATA_INTR_FLAGS, NULL,
835 intr_func, ctlr, &ctlr->handle))) {
836 device_printf(dev, "unable to setup interrupt\n");
837 bus_release_resource(dev,
838 SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq);
840 pci_release_msi(dev);
848 ata_set_desc(device_t dev)
850 struct ata_pci_controller *ctlr = device_get_softc(dev);
853 sprintf(buffer, "%s %s %s controller",
854 ata_pcivendor2str(dev), ctlr->chip->text,
855 ata_mode2str(ctlr->chip->max_dma));
856 device_set_desc_copy(dev, buffer);
859 const struct ata_chip_id *
860 ata_match_chip(device_t dev, const struct ata_chip_id *index)
865 devid = pci_get_devid(dev);
866 revid = pci_get_revid(dev);
867 while (index->chipid != 0) {
868 if (devid == index->chipid && revid >= index->chiprev)
875 const struct ata_chip_id *
876 ata_find_chip(device_t dev, const struct ata_chip_id *index, int slot)
878 const struct ata_chip_id *idx;
883 if (device_get_children(device_get_parent(dev), &children, &nchildren))
886 for (i = 0; i < nchildren; i++) {
887 s = pci_get_slot(children[i]);
888 if ((slot >= 0 && s == slot) || (slot < 0 && s <= -slot)) {
889 idx = ata_match_chip(children[i], index);
891 free(children, M_TEMP);
896 free(children, M_TEMP);
901 ata_pcivendor2str(device_t dev)
903 switch (pci_get_vendor(dev)) {
904 case ATA_ACARD_ID: return "Acard";
905 case ATA_ACER_LABS_ID: return "AcerLabs";
906 case ATA_AMD_ID: return "AMD";
907 case ATA_ADAPTEC_ID: return "Adaptec";
908 case ATA_ATI_ID: return "ATI";
909 case ATA_CYRIX_ID: return "Cyrix";
910 case ATA_CYPRESS_ID: return "Cypress";
911 case ATA_HIGHPOINT_ID: return "HighPoint";
912 case ATA_INTEL_ID: return "Intel";
913 case ATA_ITE_ID: return "ITE";
914 case ATA_JMICRON_ID: return "JMicron";
915 case ATA_MARVELL_ID: return "Marvell";
916 case ATA_MARVELL2_ID: return "Marvell";
917 case ATA_NATIONAL_ID: return "National";
918 case ATA_NETCELL_ID: return "Netcell";
919 case ATA_NVIDIA_ID: return "nVidia";
920 case ATA_PROMISE_ID: return "Promise";
921 case ATA_SERVERWORKS_ID: return "ServerWorks";
922 case ATA_SILICON_IMAGE_ID: return "SiI";
923 case ATA_SIS_ID: return "SiS";
924 case ATA_VIA_ID: return "VIA";
925 case ATA_CENATEK_ID: return "Cenatek";
926 case ATA_MICRON_ID: return "Micron";
927 default: return "Generic";
932 ata_mode2idx(int mode)
934 if ((mode & ATA_DMA_MASK) == ATA_UDMA0)
935 return (mode & ATA_MODE_MASK) + 8;
936 if ((mode & ATA_DMA_MASK) == ATA_WDMA0)
937 return (mode & ATA_MODE_MASK) + 5;
938 return (mode & ATA_MODE_MASK) - ATA_PIO0;