2 * Copyright (c) 1998 - 2008 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>
52 MALLOC_DEFINE(M_ATAPCI, "ata_pci", "ATA driver PCI");
55 #define IOMASK 0xfffffffc
58 * generic PCI ATA device probe
61 ata_pci_probe(device_t dev)
63 struct ata_pci_controller *ctlr = device_get_softc(dev);
66 /* is this a storage class device ? */
67 if (pci_get_class(dev) != PCIC_STORAGE)
70 /* is this an IDE/ATA type device ? */
71 if (pci_get_subclass(dev) != PCIS_STORAGE_IDE)
74 sprintf(buffer, "%s ATA controller", ata_pcivendor2str(dev));
75 device_set_desc_copy(dev, buffer);
76 ctlr->chipinit = ata_generic_chipinit;
78 /* we are a low priority handler */
79 return (BUS_PROBE_GENERIC);
83 ata_pci_attach(device_t dev)
85 struct ata_pci_controller *ctlr = device_get_softc(dev);
90 /* do chipset specific setups only needed once */
91 ctlr->legacy = ata_legacy(dev);
92 if (ctlr->legacy || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK)
97 ctlr->ch_attach = ata_pci_ch_attach;
98 ctlr->ch_detach = ata_pci_ch_detach;
101 /* if needed try to enable busmastering */
102 pci_enable_busmaster(dev);
103 cmd = pci_read_config(dev, PCIR_COMMAND, 2);
105 /* if busmastering mode "stuck" use it */
106 if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) {
107 ctlr->r_type1 = SYS_RES_IOPORT;
108 ctlr->r_rid1 = ATA_BMADDR_RID;
109 ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1,
113 if (ctlr->chipinit(dev))
116 /* attach all channels on this controller */
117 for (unit = 0; unit < ctlr->channels; unit++) {
118 if ((ctlr->ichannels & (1 << unit)) == 0)
120 child = device_add_child(dev, "ata",
121 ((unit == 0 || unit == 1) && ctlr->legacy) ?
122 unit : devclass_find_free_unit(ata_devclass, 2));
124 device_printf(dev, "failed to add ata child device\n");
126 device_set_ivars(child, (void *)(intptr_t)unit);
128 bus_generic_attach(dev);
133 ata_pci_detach(device_t dev)
135 struct ata_pci_controller *ctlr = device_get_softc(dev);
137 /* detach & delete all children */
138 device_delete_children(dev);
141 bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle);
142 bus_release_resource(dev, SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq);
143 if (ctlr->r_irq_rid != ATA_IRQ_RID)
144 pci_release_msi(dev);
146 if (ctlr->chipdeinit != NULL)
147 ctlr->chipdeinit(dev);
150 bus_space_unmap(rman_get_bustag(ctlr->r_res2),
151 rman_get_bushandle(ctlr->r_res2), rman_get_size(ctlr->r_res2));
153 bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2);
157 bus_space_unmap(rman_get_bustag(ctlr->r_res1),
158 rman_get_bushandle(ctlr->r_res1), rman_get_size(ctlr->r_res1));
160 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1);
167 ata_pci_suspend(device_t dev)
169 struct ata_pci_controller *ctlr = device_get_softc(dev);
172 bus_generic_suspend(dev);
174 error = ctlr->suspend(dev);
179 ata_pci_resume(device_t dev)
181 struct ata_pci_controller *ctlr = device_get_softc(dev);
185 error = ctlr->resume(dev);
186 bus_generic_resume(dev);
191 ata_pci_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
194 return (BUS_READ_IVAR(device_get_parent(dev), dev, which, result));
198 ata_pci_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
201 return (BUS_WRITE_IVAR(device_get_parent(dev), dev, which, value));
205 ata_pci_read_config(device_t dev, device_t child, int reg, int width)
208 return (pci_read_config(dev, reg, width));
212 ata_pci_write_config(device_t dev, device_t child, int reg,
213 uint32_t val, int width)
216 pci_write_config(dev, reg, val, width);
220 ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
221 u_long start, u_long end, u_long count, u_int flags)
223 struct ata_pci_controller *controller = device_get_softc(dev);
224 struct resource *res = NULL;
226 if (device_get_devclass(child) == ata_devclass) {
227 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
230 if (type == SYS_RES_IOPORT) {
233 if (controller->legacy) {
234 start = (unit ? ATA_SECONDARY : ATA_PRIMARY);
236 end = start + count - 1;
238 myrid = PCIR_BAR(0) + (unit << 3);
239 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
240 SYS_RES_IOPORT, &myrid,
241 start, end, count, flags);
243 case ATA_CTLADDR_RID:
244 if (controller->legacy) {
245 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) +
247 count = ATA_CTLIOSIZE;
248 end = start + count - 1;
250 myrid = PCIR_BAR(1) + (unit << 3);
251 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
252 SYS_RES_IOPORT, &myrid,
253 start, end, count, flags);
257 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
258 if (controller->legacy) {
259 int irq = (unit == 0 ? 14 : 15);
261 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
262 SYS_RES_IRQ, rid, irq, irq, 1, flags);
264 res = controller->r_irq;
267 if (type == SYS_RES_IRQ) {
268 if (*rid != ATA_IRQ_RID)
270 res = controller->r_irq;
272 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
273 type, rid, start, end, count, flags);
280 ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
284 if (device_get_devclass(child) == ata_devclass) {
285 struct ata_pci_controller *controller = device_get_softc(dev);
286 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
288 if (type == SYS_RES_IOPORT) {
291 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
293 PCIR_BAR(0) + (unit << 3), r);
294 case ATA_CTLADDR_RID:
295 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
297 PCIR_BAR(1) + (unit << 3), r);
302 if (type == SYS_RES_IRQ) {
303 if (rid != ATA_IRQ_RID)
305 if (controller->legacy) {
306 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
307 SYS_RES_IRQ, rid, r);
312 if (type == SYS_RES_IRQ) {
313 if (rid != ATA_IRQ_RID)
317 return (BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
325 ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
326 int flags, driver_filter_t *filter, driver_intr_t *function,
327 void *argument, void **cookiep)
329 struct ata_pci_controller *controller = device_get_softc(dev);
331 if (controller->legacy) {
332 return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
333 flags, filter, function, argument, cookiep);
335 struct ata_pci_controller *controller = device_get_softc(dev);
338 if (filter != NULL) {
339 printf("ata-pci.c: we cannot use a filter here\n");
342 if (device_get_devclass(child) == ata_devclass)
343 unit = ((struct ata_channel *)device_get_softc(child))->unit;
345 unit = ATA_PCI_MAX_CH - 1;
346 controller->interrupt[unit].function = function;
347 controller->interrupt[unit].argument = argument;
348 *cookiep = controller;
354 ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
357 struct ata_pci_controller *controller = device_get_softc(dev);
359 if (controller->legacy) {
360 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
362 struct ata_pci_controller *controller = device_get_softc(dev);
365 if (device_get_devclass(child) == ata_devclass)
366 unit = ((struct ata_channel *)device_get_softc(child))->unit;
368 unit = ATA_PCI_MAX_CH - 1;
369 controller->interrupt[unit].function = NULL;
370 controller->interrupt[unit].argument = NULL;
376 ata_generic_setmode(device_t dev, int target, int mode)
379 return (min(mode, ATA_UDMA2));
383 ata_generic_chipinit(device_t dev)
385 struct ata_pci_controller *ctlr = device_get_softc(dev);
387 if (ata_setup_interrupt(dev, ata_generic_intr))
389 ctlr->setmode = ata_generic_setmode;
394 ata_pci_ch_attach(device_t dev)
396 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
397 struct ata_channel *ch = device_get_softc(dev);
398 struct resource *io = NULL, *ctlio = NULL;
401 rid = ATA_IOADDR_RID;
402 if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE)))
405 rid = ATA_CTLADDR_RID;
406 if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,RF_ACTIVE))){
407 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
411 ata_pci_dmainit(dev);
413 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) {
414 ch->r_io[i].res = io;
415 ch->r_io[i].offset = i;
417 ch->r_io[ATA_CONTROL].res = ctlio;
418 ch->r_io[ATA_CONTROL].offset = ctlr->legacy ? 0 : 2;
419 ch->r_io[ATA_IDX_ADDR].res = io;
420 ata_default_registers(dev);
422 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) {
423 ch->r_io[i].res = ctlr->r_res1;
424 ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE);
433 ata_pci_ch_detach(device_t dev)
435 struct ata_channel *ch = device_get_softc(dev);
437 ata_pci_dmafini(dev);
439 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
440 ch->r_io[ATA_CONTROL].res);
441 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
442 ch->r_io[ATA_IDX_ADDR].res);
448 ata_pci_status(device_t dev)
450 struct ata_pci_controller *controller =
451 device_get_softc(device_get_parent(dev));
452 struct ata_channel *ch = device_get_softc(dev);
454 if ((dumping || !controller->legacy) &&
455 ((ch->flags & ATA_ALWAYS_DMASTAT) ||
456 (ch->dma.flags & ATA_DMA_ACTIVE))) {
457 int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
459 if ((bmstat & ATA_BMSTAT_INTERRUPT) == 0)
461 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR);
464 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) {
466 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY)
473 ata_pci_hw(device_t dev)
475 struct ata_channel *ch = device_get_softc(dev);
478 ch->hw.status = ata_pci_status;
482 ata_pci_dmastart(struct ata_request *request)
484 struct ata_channel *ch = device_get_softc(request->parent);
486 ATA_DEBUG_RQ(request, "dmastart");
488 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) |
489 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
490 ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, request->dma->sg_bus);
491 ch->dma.flags |= ATA_DMA_ACTIVE;
492 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
493 (ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) |
494 ((request->flags & ATA_R_READ) ? ATA_BMCMD_WRITE_READ : 0)|
495 ATA_BMCMD_START_STOP);
500 ata_pci_dmastop(struct ata_request *request)
502 struct ata_channel *ch = device_get_softc(request->parent);
505 ATA_DEBUG_RQ(request, "dmastop");
507 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
508 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
509 ch->dma.flags &= ~ATA_DMA_ACTIVE;
510 error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
511 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
516 ata_pci_dmareset(device_t dev)
518 struct ata_channel *ch = device_get_softc(dev);
519 struct ata_request *request;
521 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
522 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
523 ch->dma.flags &= ~ATA_DMA_ACTIVE;
524 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
525 if ((request = ch->running)) {
526 device_printf(dev, "DMA reset calling unload\n");
527 ch->dma.unload(request);
532 ata_pci_dmainit(device_t dev)
534 struct ata_channel *ch = device_get_softc(dev);
537 ch->dma.start = ata_pci_dmastart;
538 ch->dma.stop = ata_pci_dmastop;
539 ch->dma.reset = ata_pci_dmareset;
543 ata_pci_dmafini(device_t dev)
550 ata_pci_print_child(device_t dev, device_t child)
554 retval = bus_print_child_header(dev, child);
555 retval += printf(" at channel %d",
556 (int)(intptr_t)device_get_ivars(child));
557 retval += bus_print_child_footer(dev, child);
563 ata_pci_child_location_str(device_t dev, device_t child, char *buf,
567 snprintf(buf, buflen, "channel=%d",
568 (int)(intptr_t)device_get_ivars(child));
573 ata_pci_get_dma_tag(device_t bus, device_t child)
576 return (bus_get_dma_tag(bus));
579 static device_method_t ata_pci_methods[] = {
580 /* device interface */
581 DEVMETHOD(device_probe, ata_pci_probe),
582 DEVMETHOD(device_attach, ata_pci_attach),
583 DEVMETHOD(device_detach, ata_pci_detach),
584 DEVMETHOD(device_suspend, ata_pci_suspend),
585 DEVMETHOD(device_resume, ata_pci_resume),
586 DEVMETHOD(device_shutdown, bus_generic_shutdown),
589 DEVMETHOD(bus_read_ivar, ata_pci_read_ivar),
590 DEVMETHOD(bus_write_ivar, ata_pci_write_ivar),
591 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource),
592 DEVMETHOD(bus_release_resource, ata_pci_release_resource),
593 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
594 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
595 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr),
596 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr),
597 DEVMETHOD(pci_read_config, ata_pci_read_config),
598 DEVMETHOD(pci_write_config, ata_pci_write_config),
599 DEVMETHOD(bus_print_child, ata_pci_print_child),
600 DEVMETHOD(bus_child_location_str, ata_pci_child_location_str),
601 DEVMETHOD(bus_get_dma_tag, ata_pci_get_dma_tag),
606 devclass_t ata_pci_devclass;
608 static driver_t ata_pci_driver = {
611 sizeof(struct ata_pci_controller),
614 DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, NULL, NULL);
615 MODULE_VERSION(atapci, 1);
616 MODULE_DEPEND(atapci, ata, 1, 1, 1);
619 ata_pcichannel_probe(device_t dev)
622 if ((intptr_t)device_get_ivars(dev) < 0)
624 device_set_desc(dev, "ATA channel");
626 return ata_probe(dev);
630 ata_pcichannel_attach(device_t dev)
632 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
633 struct ata_channel *ch = device_get_softc(dev);
641 ch->unit = (intptr_t)device_get_ivars(dev);
643 resource_int_value(device_get_name(dev),
644 device_get_unit(dev), "pm_level", &ch->pm_level);
646 if ((error = ctlr->ch_attach(dev)))
649 return ata_attach(dev);
653 ata_pcichannel_detach(device_t dev)
655 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
656 struct ata_channel *ch = device_get_softc(dev);
663 if ((error = ata_detach(dev)))
667 return (ctlr->ch_detach(dev));
672 ata_pcichannel_suspend(device_t dev)
674 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
675 struct ata_channel *ch = device_get_softc(dev);
681 if ((error = ata_suspend(dev)))
684 if (ctlr->ch_suspend != NULL && (error = ctlr->ch_suspend(dev)))
691 ata_pcichannel_resume(device_t dev)
693 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
694 struct ata_channel *ch = device_get_softc(dev);
700 if (ctlr->ch_resume != NULL && (error = ctlr->ch_resume(dev)))
703 return ata_resume(dev);
709 ata_pcichannel_locking(device_t dev, int mode)
711 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
712 struct ata_channel *ch = device_get_softc(dev);
715 return ctlr->locking(dev, mode);
722 ata_pcichannel_reset(device_t dev)
724 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
725 struct ata_channel *ch = device_get_softc(dev);
727 /* if DMA engine present reset it */
731 /* reset the controller HW */
735 ata_generic_reset(dev);
739 ata_pcichannel_setmode(device_t dev, int target, int mode)
741 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
744 return (ctlr->setmode(dev, target, mode));
746 return (ata_generic_setmode(dev, target, mode));
750 ata_pcichannel_getrev(device_t dev, int target)
752 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
753 struct ata_channel *ch = device_get_softc(dev);
755 if (ch->flags & ATA_SATA) {
757 return (ctlr->getrev(dev, target));
764 static device_method_t ata_pcichannel_methods[] = {
765 /* device interface */
766 DEVMETHOD(device_probe, ata_pcichannel_probe),
767 DEVMETHOD(device_attach, ata_pcichannel_attach),
768 DEVMETHOD(device_detach, ata_pcichannel_detach),
769 DEVMETHOD(device_shutdown, bus_generic_shutdown),
770 DEVMETHOD(device_suspend, ata_pcichannel_suspend),
771 DEVMETHOD(device_resume, ata_pcichannel_resume),
774 DEVMETHOD(ata_setmode, ata_pcichannel_setmode),
775 DEVMETHOD(ata_getrev, ata_pcichannel_getrev),
777 DEVMETHOD(ata_locking, ata_pcichannel_locking),
779 DEVMETHOD(ata_reset, ata_pcichannel_reset),
784 driver_t ata_pcichannel_driver = {
786 ata_pcichannel_methods,
787 sizeof(struct ata_channel),
790 DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, NULL, NULL);
793 * misc support fucntions
796 ata_legacy(device_t dev)
798 return (((pci_read_config(dev, PCIR_SUBCLASS, 1) == PCIS_STORAGE_IDE) &&
799 (pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&&
800 ((pci_read_config(dev, PCIR_PROGIF, 1) &
801 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) !=
802 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))) ||
803 (!pci_read_config(dev, PCIR_BAR(0), 4) &&
804 !pci_read_config(dev, PCIR_BAR(1), 4) &&
805 !pci_read_config(dev, PCIR_BAR(2), 4) &&
806 !pci_read_config(dev, PCIR_BAR(3), 4) &&
807 !pci_read_config(dev, PCIR_BAR(5), 4)));
811 ata_generic_intr(void *data)
813 struct ata_pci_controller *ctlr = data;
814 struct ata_channel *ch;
817 for (unit = 0; unit < ATA_PCI_MAX_CH; unit++) {
818 if ((ch = ctlr->interrupt[unit].argument))
819 ctlr->interrupt[unit].function(ch);
824 ata_setup_interrupt(device_t dev, void *intr_func)
826 struct ata_pci_controller *ctlr = device_get_softc(dev);
830 if (resource_int_value(device_get_name(dev),
831 device_get_unit(dev), "msi", &i) == 0 && i != 0)
833 if (msi && pci_msi_count(dev) > 0 && pci_alloc_msi(dev, &msi) == 0) {
834 ctlr->r_irq_rid = 0x1;
837 ctlr->r_irq_rid = ATA_IRQ_RID;
839 if (!(ctlr->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
840 &ctlr->r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
841 device_printf(dev, "unable to map interrupt\n");
843 pci_release_msi(dev);
846 if ((bus_setup_intr(dev, ctlr->r_irq, ATA_INTR_FLAGS, NULL,
847 intr_func, ctlr, &ctlr->handle))) {
848 device_printf(dev, "unable to setup interrupt\n");
849 bus_release_resource(dev,
850 SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq);
852 pci_release_msi(dev);
860 ata_set_desc(device_t dev)
862 struct ata_pci_controller *ctlr = device_get_softc(dev);
865 sprintf(buffer, "%s %s %s controller",
866 ata_pcivendor2str(dev), ctlr->chip->text,
867 ata_mode2str(ctlr->chip->max_dma));
868 device_set_desc_copy(dev, buffer);
871 const struct ata_chip_id *
872 ata_match_chip(device_t dev, const struct ata_chip_id *index)
877 devid = pci_get_devid(dev);
878 revid = pci_get_revid(dev);
879 while (index->chipid != 0) {
880 if (devid == index->chipid && revid >= index->chiprev)
887 const struct ata_chip_id *
888 ata_find_chip(device_t dev, const struct ata_chip_id *index, int slot)
890 const struct ata_chip_id *idx;
895 if (device_get_children(device_get_parent(dev), &children, &nchildren))
898 for (i = 0; i < nchildren; i++) {
899 s = pci_get_slot(children[i]);
900 if ((slot >= 0 && s == slot) || (slot < 0 && s <= -slot)) {
901 idx = ata_match_chip(children[i], index);
903 free(children, M_TEMP);
908 free(children, M_TEMP);
913 ata_pcivendor2str(device_t dev)
915 switch (pci_get_vendor(dev)) {
916 case ATA_ACARD_ID: return "Acard";
917 case ATA_ACER_LABS_ID: return "AcerLabs";
918 case ATA_AMD_ID: return "AMD";
919 case ATA_ADAPTEC_ID: return "Adaptec";
920 case ATA_ATI_ID: return "ATI";
921 case ATA_CYRIX_ID: return "Cyrix";
922 case ATA_CYPRESS_ID: return "Cypress";
923 case ATA_HIGHPOINT_ID: return "HighPoint";
924 case ATA_INTEL_ID: return "Intel";
925 case ATA_ITE_ID: return "ITE";
926 case ATA_JMICRON_ID: return "JMicron";
927 case ATA_MARVELL_ID: return "Marvell";
928 case ATA_MARVELL2_ID: return "Marvell";
929 case ATA_NATIONAL_ID: return "National";
930 case ATA_NETCELL_ID: return "Netcell";
931 case ATA_NVIDIA_ID: return "nVidia";
932 case ATA_PROMISE_ID: return "Promise";
933 case ATA_SERVERWORKS_ID: return "ServerWorks";
934 case ATA_SILICON_IMAGE_ID: return "SiI";
935 case ATA_SIS_ID: return "SiS";
936 case ATA_VIA_ID: return "VIA";
937 case ATA_CENATEK_ID: return "Cenatek";
938 case ATA_MICRON_ID: return "Micron";
939 default: return "Generic";
944 ata_mode2idx(int mode)
946 if ((mode & ATA_DMA_MASK) == ATA_UDMA0)
947 return (mode & ATA_MODE_MASK) + 8;
948 if ((mode & ATA_DMA_MASK) == ATA_WDMA0)
949 return (mode & ATA_MODE_MASK) + 5;
950 return (mode & ATA_MODE_MASK) - ATA_PIO0;