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 cmd = pci_read_config(dev, PCIR_COMMAND, 2);
103 if (!(cmd & PCIM_CMD_BUSMASTEREN)) {
104 pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2);
105 cmd = pci_read_config(dev, PCIR_COMMAND, 2);
108 /* if busmastering mode "stuck" use it */
109 if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) {
110 ctlr->r_type1 = SYS_RES_IOPORT;
111 ctlr->r_rid1 = ATA_BMADDR_RID;
112 ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1,
116 if (ctlr->chipinit(dev))
119 /* attach all channels on this controller */
120 for (unit = 0; unit < ctlr->channels; unit++) {
121 if ((ctlr->ichannels & (1 << unit)) == 0)
123 child = device_add_child(dev, "ata",
124 ((unit == 0 || unit == 1) && ctlr->legacy) ?
125 unit : devclass_find_free_unit(ata_devclass, 2));
127 device_printf(dev, "failed to add ata child device\n");
129 device_set_ivars(child, (void *)(intptr_t)unit);
131 bus_generic_attach(dev);
136 ata_pci_detach(device_t dev)
138 struct ata_pci_controller *ctlr = device_get_softc(dev);
140 /* detach & delete all children */
141 device_delete_children(dev);
144 bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle);
145 bus_release_resource(dev, SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq);
146 if (ctlr->r_irq_rid != ATA_IRQ_RID)
147 pci_release_msi(dev);
149 if (ctlr->chipdeinit != NULL)
150 ctlr->chipdeinit(dev);
153 bus_space_unmap(rman_get_bustag(ctlr->r_res2),
154 rman_get_bushandle(ctlr->r_res2), rman_get_size(ctlr->r_res2));
156 bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2);
160 bus_space_unmap(rman_get_bustag(ctlr->r_res1),
161 rman_get_bushandle(ctlr->r_res1), rman_get_size(ctlr->r_res1));
163 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1);
170 ata_pci_suspend(device_t dev)
172 struct ata_pci_controller *ctlr = device_get_softc(dev);
175 bus_generic_suspend(dev);
177 error = ctlr->suspend(dev);
182 ata_pci_resume(device_t dev)
184 struct ata_pci_controller *ctlr = device_get_softc(dev);
188 error = ctlr->resume(dev);
189 bus_generic_resume(dev);
194 ata_pci_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
197 return (BUS_READ_IVAR(device_get_parent(dev), dev, which, result));
201 ata_pci_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
204 return (BUS_WRITE_IVAR(device_get_parent(dev), dev, which, value));
208 ata_pci_read_config(device_t dev, device_t child, int reg, int width)
211 return (pci_read_config(dev, reg, width));
215 ata_pci_write_config(device_t dev, device_t child, int reg,
216 uint32_t val, int width)
219 pci_write_config(dev, reg, val, width);
223 ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
224 u_long start, u_long end, u_long count, u_int flags)
226 struct ata_pci_controller *controller = device_get_softc(dev);
227 struct resource *res = NULL;
229 if (device_get_devclass(child) == ata_devclass) {
230 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
233 if (type == SYS_RES_IOPORT) {
236 if (controller->legacy) {
237 start = (unit ? ATA_SECONDARY : ATA_PRIMARY);
239 end = start + count - 1;
241 myrid = PCIR_BAR(0) + (unit << 3);
242 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
243 SYS_RES_IOPORT, &myrid,
244 start, end, count, flags);
246 case ATA_CTLADDR_RID:
247 if (controller->legacy) {
248 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) +
250 count = ATA_CTLIOSIZE;
251 end = start + count - 1;
253 myrid = PCIR_BAR(1) + (unit << 3);
254 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
255 SYS_RES_IOPORT, &myrid,
256 start, end, count, flags);
260 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
261 if (controller->legacy) {
262 int irq = (unit == 0 ? 14 : 15);
264 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
265 SYS_RES_IRQ, rid, irq, irq, 1, flags);
267 res = controller->r_irq;
270 if (type == SYS_RES_IRQ) {
271 if (*rid != ATA_IRQ_RID)
273 res = controller->r_irq;
275 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
276 type, rid, start, end, count, flags);
283 ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
287 if (device_get_devclass(child) == ata_devclass) {
288 struct ata_pci_controller *controller = device_get_softc(dev);
289 int unit = ((struct ata_channel *)device_get_softc(child))->unit;
291 if (type == SYS_RES_IOPORT) {
294 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
296 PCIR_BAR(0) + (unit << 3), r);
297 case ATA_CTLADDR_RID:
298 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
300 PCIR_BAR(1) + (unit << 3), r);
305 if (type == SYS_RES_IRQ) {
306 if (rid != ATA_IRQ_RID)
308 if (controller->legacy) {
309 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
310 SYS_RES_IRQ, rid, r);
315 if (type == SYS_RES_IRQ) {
316 if (rid != ATA_IRQ_RID)
320 return (BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
328 ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
329 int flags, driver_filter_t *filter, driver_intr_t *function,
330 void *argument, void **cookiep)
332 struct ata_pci_controller *controller = device_get_softc(dev);
334 if (controller->legacy) {
335 return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
336 flags, filter, function, argument, cookiep);
338 struct ata_pci_controller *controller = device_get_softc(dev);
341 if (filter != NULL) {
342 printf("ata-pci.c: we cannot use a filter here\n");
345 if (device_get_devclass(child) == ata_devclass)
346 unit = ((struct ata_channel *)device_get_softc(child))->unit;
348 unit = ATA_PCI_MAX_CH - 1;
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 struct ata_pci_controller *controller = device_get_softc(dev);
362 if (controller->legacy) {
363 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
365 struct ata_pci_controller *controller = device_get_softc(dev);
368 if (device_get_devclass(child) == ata_devclass)
369 unit = ((struct ata_channel *)device_get_softc(child))->unit;
371 unit = ATA_PCI_MAX_CH - 1;
372 controller->interrupt[unit].function = NULL;
373 controller->interrupt[unit].argument = NULL;
379 ata_generic_setmode(device_t dev, int target, int mode)
382 return (min(mode, ATA_UDMA2));
386 ata_generic_chipinit(device_t dev)
388 struct ata_pci_controller *ctlr = device_get_softc(dev);
390 if (ata_setup_interrupt(dev, ata_generic_intr))
392 ctlr->setmode = ata_generic_setmode;
397 ata_pci_ch_attach(device_t dev)
399 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
400 struct ata_channel *ch = device_get_softc(dev);
401 struct resource *io = NULL, *ctlio = NULL;
404 rid = ATA_IOADDR_RID;
405 if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE)))
408 rid = ATA_CTLADDR_RID;
409 if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,RF_ACTIVE))){
410 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
414 ata_pci_dmainit(dev);
416 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) {
417 ch->r_io[i].res = io;
418 ch->r_io[i].offset = i;
420 ch->r_io[ATA_CONTROL].res = ctlio;
421 ch->r_io[ATA_CONTROL].offset = ctlr->legacy ? 0 : 2;
422 ch->r_io[ATA_IDX_ADDR].res = io;
423 ata_default_registers(dev);
425 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) {
426 ch->r_io[i].res = ctlr->r_res1;
427 ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE);
436 ata_pci_ch_detach(device_t dev)
438 struct ata_channel *ch = device_get_softc(dev);
440 ata_pci_dmafini(dev);
442 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
443 ch->r_io[ATA_CONTROL].res);
444 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
445 ch->r_io[ATA_IDX_ADDR].res);
451 ata_pci_status(device_t dev)
453 struct ata_pci_controller *controller =
454 device_get_softc(device_get_parent(dev));
455 struct ata_channel *ch = device_get_softc(dev);
457 if ((dumping || !controller->legacy) &&
458 ((ch->flags & ATA_ALWAYS_DMASTAT) ||
459 (ch->dma.flags & ATA_DMA_ACTIVE))) {
460 int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
462 if ((bmstat & ATA_BMSTAT_INTERRUPT) == 0)
464 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR);
467 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) {
469 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY)
476 ata_pci_hw(device_t dev)
478 struct ata_channel *ch = device_get_softc(dev);
481 ch->hw.status = ata_pci_status;
485 ata_pci_dmastart(struct ata_request *request)
487 struct ata_channel *ch = device_get_softc(request->parent);
489 ATA_DEBUG_RQ(request, "dmastart");
491 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) |
492 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
493 ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, request->dma->sg_bus);
494 ch->dma.flags |= ATA_DMA_ACTIVE;
495 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
496 (ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) |
497 ((request->flags & ATA_R_READ) ? ATA_BMCMD_WRITE_READ : 0)|
498 ATA_BMCMD_START_STOP);
503 ata_pci_dmastop(struct ata_request *request)
505 struct ata_channel *ch = device_get_softc(request->parent);
508 ATA_DEBUG_RQ(request, "dmastop");
510 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
511 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
512 ch->dma.flags &= ~ATA_DMA_ACTIVE;
513 error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
514 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
519 ata_pci_dmareset(device_t dev)
521 struct ata_channel *ch = device_get_softc(dev);
522 struct ata_request *request;
524 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
525 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
526 ch->dma.flags &= ~ATA_DMA_ACTIVE;
527 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
528 if ((request = ch->running)) {
529 device_printf(dev, "DMA reset calling unload\n");
530 ch->dma.unload(request);
535 ata_pci_dmainit(device_t dev)
537 struct ata_channel *ch = device_get_softc(dev);
540 ch->dma.start = ata_pci_dmastart;
541 ch->dma.stop = ata_pci_dmastop;
542 ch->dma.reset = ata_pci_dmareset;
546 ata_pci_dmafini(device_t dev)
553 ata_pci_print_child(device_t dev, device_t child)
557 retval = bus_print_child_header(dev, child);
558 retval += printf(" at channel %d",
559 (int)(intptr_t)device_get_ivars(child));
560 retval += bus_print_child_footer(dev, child);
566 ata_pci_child_location_str(device_t dev, device_t child, char *buf,
570 snprintf(buf, buflen, "channel=%d",
571 (int)(intptr_t)device_get_ivars(child));
576 ata_pci_get_dma_tag(device_t bus, device_t child)
579 return (bus_get_dma_tag(bus));
582 static device_method_t ata_pci_methods[] = {
583 /* device interface */
584 DEVMETHOD(device_probe, ata_pci_probe),
585 DEVMETHOD(device_attach, ata_pci_attach),
586 DEVMETHOD(device_detach, ata_pci_detach),
587 DEVMETHOD(device_suspend, ata_pci_suspend),
588 DEVMETHOD(device_resume, ata_pci_resume),
589 DEVMETHOD(device_shutdown, bus_generic_shutdown),
592 DEVMETHOD(bus_read_ivar, ata_pci_read_ivar),
593 DEVMETHOD(bus_write_ivar, ata_pci_write_ivar),
594 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource),
595 DEVMETHOD(bus_release_resource, ata_pci_release_resource),
596 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
597 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
598 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr),
599 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr),
600 DEVMETHOD(pci_read_config, ata_pci_read_config),
601 DEVMETHOD(pci_write_config, ata_pci_write_config),
602 DEVMETHOD(bus_print_child, ata_pci_print_child),
603 DEVMETHOD(bus_child_location_str, ata_pci_child_location_str),
604 DEVMETHOD(bus_get_dma_tag, ata_pci_get_dma_tag),
609 devclass_t ata_pci_devclass;
611 static driver_t ata_pci_driver = {
614 sizeof(struct ata_pci_controller),
617 DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, NULL, NULL);
618 MODULE_VERSION(atapci, 1);
619 MODULE_DEPEND(atapci, ata, 1, 1, 1);
622 ata_pcichannel_probe(device_t dev)
625 if ((intptr_t)device_get_ivars(dev) < 0)
627 device_set_desc(dev, "ATA channel");
629 return ata_probe(dev);
633 ata_pcichannel_attach(device_t dev)
635 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
636 struct ata_channel *ch = device_get_softc(dev);
644 ch->unit = (intptr_t)device_get_ivars(dev);
646 resource_int_value(device_get_name(dev),
647 device_get_unit(dev), "pm_level", &ch->pm_level);
649 if ((error = ctlr->ch_attach(dev)))
652 return ata_attach(dev);
656 ata_pcichannel_detach(device_t dev)
658 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
659 struct ata_channel *ch = device_get_softc(dev);
666 if ((error = ata_detach(dev)))
670 return (ctlr->ch_detach(dev));
675 ata_pcichannel_suspend(device_t dev)
677 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
678 struct ata_channel *ch = device_get_softc(dev);
684 if ((error = ata_suspend(dev)))
687 if (ctlr->ch_suspend != NULL && (error = ctlr->ch_suspend(dev)))
694 ata_pcichannel_resume(device_t dev)
696 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
697 struct ata_channel *ch = device_get_softc(dev);
703 if (ctlr->ch_resume != NULL && (error = ctlr->ch_resume(dev)))
706 return ata_resume(dev);
712 ata_pcichannel_locking(device_t dev, int mode)
714 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
715 struct ata_channel *ch = device_get_softc(dev);
718 return ctlr->locking(dev, mode);
725 ata_pcichannel_reset(device_t dev)
727 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
728 struct ata_channel *ch = device_get_softc(dev);
730 /* if DMA engine present reset it */
734 /* reset the controller HW */
738 ata_generic_reset(dev);
742 ata_pcichannel_setmode(device_t dev, int target, int mode)
744 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
747 return (ctlr->setmode(dev, target, mode));
749 return (ata_generic_setmode(dev, target, mode));
753 ata_pcichannel_getrev(device_t dev, int target)
755 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
756 struct ata_channel *ch = device_get_softc(dev);
758 if (ch->flags & ATA_SATA) {
760 return (ctlr->getrev(dev, target));
767 static device_method_t ata_pcichannel_methods[] = {
768 /* device interface */
769 DEVMETHOD(device_probe, ata_pcichannel_probe),
770 DEVMETHOD(device_attach, ata_pcichannel_attach),
771 DEVMETHOD(device_detach, ata_pcichannel_detach),
772 DEVMETHOD(device_shutdown, bus_generic_shutdown),
773 DEVMETHOD(device_suspend, ata_pcichannel_suspend),
774 DEVMETHOD(device_resume, ata_pcichannel_resume),
777 DEVMETHOD(ata_setmode, ata_pcichannel_setmode),
778 DEVMETHOD(ata_getrev, ata_pcichannel_getrev),
780 DEVMETHOD(ata_locking, ata_pcichannel_locking),
782 DEVMETHOD(ata_reset, ata_pcichannel_reset),
787 driver_t ata_pcichannel_driver = {
789 ata_pcichannel_methods,
790 sizeof(struct ata_channel),
793 DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, NULL, NULL);
796 * misc support fucntions
799 ata_legacy(device_t dev)
801 return (((pci_read_config(dev, PCIR_SUBCLASS, 1) == PCIS_STORAGE_IDE) &&
802 (pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&&
803 ((pci_read_config(dev, PCIR_PROGIF, 1) &
804 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) !=
805 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))) ||
806 (!pci_read_config(dev, PCIR_BAR(0), 4) &&
807 !pci_read_config(dev, PCIR_BAR(1), 4) &&
808 !pci_read_config(dev, PCIR_BAR(2), 4) &&
809 !pci_read_config(dev, PCIR_BAR(3), 4) &&
810 !pci_read_config(dev, PCIR_BAR(5), 4)));
814 ata_generic_intr(void *data)
816 struct ata_pci_controller *ctlr = data;
817 struct ata_channel *ch;
820 for (unit = 0; unit < ATA_PCI_MAX_CH; unit++) {
821 if ((ch = ctlr->interrupt[unit].argument))
822 ctlr->interrupt[unit].function(ch);
827 ata_setup_interrupt(device_t dev, void *intr_func)
829 struct ata_pci_controller *ctlr = device_get_softc(dev);
833 if (resource_int_value(device_get_name(dev),
834 device_get_unit(dev), "msi", &i) == 0 && i != 0)
836 if (msi && pci_msi_count(dev) > 0 && pci_alloc_msi(dev, &msi) == 0) {
837 ctlr->r_irq_rid = 0x1;
840 ctlr->r_irq_rid = ATA_IRQ_RID;
842 if (!(ctlr->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
843 &ctlr->r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
844 device_printf(dev, "unable to map interrupt\n");
846 pci_release_msi(dev);
849 if ((bus_setup_intr(dev, ctlr->r_irq, ATA_INTR_FLAGS, NULL,
850 intr_func, ctlr, &ctlr->handle))) {
851 device_printf(dev, "unable to setup interrupt\n");
852 bus_release_resource(dev,
853 SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq);
855 pci_release_msi(dev);
863 ata_set_desc(device_t dev)
865 struct ata_pci_controller *ctlr = device_get_softc(dev);
868 sprintf(buffer, "%s %s %s controller",
869 ata_pcivendor2str(dev), ctlr->chip->text,
870 ata_mode2str(ctlr->chip->max_dma));
871 device_set_desc_copy(dev, buffer);
874 const struct ata_chip_id *
875 ata_match_chip(device_t dev, const struct ata_chip_id *index)
880 devid = pci_get_devid(dev);
881 revid = pci_get_revid(dev);
882 while (index->chipid != 0) {
883 if (devid == index->chipid && revid >= index->chiprev)
890 const struct ata_chip_id *
891 ata_find_chip(device_t dev, const struct ata_chip_id *index, int slot)
893 const struct ata_chip_id *idx;
898 if (device_get_children(device_get_parent(dev), &children, &nchildren))
901 for (i = 0; i < nchildren; i++) {
902 s = pci_get_slot(children[i]);
903 if ((slot >= 0 && s == slot) || (slot < 0 && s <= -slot)) {
904 idx = ata_match_chip(children[i], index);
906 free(children, M_TEMP);
911 free(children, M_TEMP);
916 ata_pcivendor2str(device_t dev)
918 switch (pci_get_vendor(dev)) {
919 case ATA_ACARD_ID: return "Acard";
920 case ATA_ACER_LABS_ID: return "AcerLabs";
921 case ATA_AMD_ID: return "AMD";
922 case ATA_ADAPTEC_ID: return "Adaptec";
923 case ATA_ATI_ID: return "ATI";
924 case ATA_CYRIX_ID: return "Cyrix";
925 case ATA_CYPRESS_ID: return "Cypress";
926 case ATA_HIGHPOINT_ID: return "HighPoint";
927 case ATA_INTEL_ID: return "Intel";
928 case ATA_ITE_ID: return "ITE";
929 case ATA_JMICRON_ID: return "JMicron";
930 case ATA_MARVELL_ID: return "Marvell";
931 case ATA_MARVELL2_ID: return "Marvell";
932 case ATA_NATIONAL_ID: return "National";
933 case ATA_NETCELL_ID: return "Netcell";
934 case ATA_NVIDIA_ID: return "nVidia";
935 case ATA_PROMISE_ID: return "Promise";
936 case ATA_SERVERWORKS_ID: return "ServerWorks";
937 case ATA_SILICON_IMAGE_ID: return "SiI";
938 case ATA_SIS_ID: return "SiS";
939 case ATA_VIA_ID: return "VIA";
940 case ATA_CENATEK_ID: return "Cenatek";
941 case ATA_MICRON_ID: return "Micron";
942 default: return "Generic";
947 ata_mode2idx(int mode)
949 if ((mode & ATA_DMA_MASK) == ATA_UDMA0)
950 return (mode & ATA_MODE_MASK) + 8;
951 if ((mode & ATA_DMA_MASK) == ATA_WDMA0)
952 return (mode & ATA_MODE_MASK) + 5;
953 return (mode & ATA_MODE_MASK) - ATA_PIO0;