/*- * Copyright (c) 1998,1999,2000,2001,2002 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __alpha__ #include #endif #include #include #include #include /* device structures */ struct ata_pci_controller { struct resource *bmio; int bmaddr; struct resource *irq; int irqcnt; }; /* misc defines */ #define IOMASK 0xfffffffc #define GRANDPARENT(dev) device_get_parent(device_get_parent(dev)) #define ATA_MASTERDEV(dev) ((pci_get_progif(dev) & 0x80) && \ (pci_get_progif(dev) & 0x05) != 0x05) int ata_find_dev(device_t dev, u_int32_t devid, u_int32_t revid) { device_t *children; int nchildren, i; if (device_get_children(device_get_parent(dev), &children, &nchildren)) return 0; for (i = 0; i < nchildren; i++) { if (pci_get_devid(children[i]) == devid && pci_get_revid(children[i]) >= revid) { free(children, M_TEMP); return 1; } } free(children, M_TEMP); return 0; } static void ata_via_southbridge_fixup(device_t dev) { device_t *children; int nchildren, i; if (device_get_children(device_get_parent(dev), &children, &nchildren)) return; for (i = 0; i < nchildren; i++) { if (pci_get_devid(children[i]) == 0x03051106 || /* VIA VT8363 */ pci_get_devid(children[i]) == 0x03911106 || /* VIA VT8371 */ pci_get_devid(children[i]) == 0x31021106 || /* VIA VT8662 */ pci_get_devid(children[i]) == 0x31121106) { /* VIA VT8361 */ u_int8_t reg76 = pci_read_config(children[i], 0x76, 1); if ((reg76 & 0xf0) != 0xd0) { device_printf(dev, "Correcting VIA config for southbridge data corruption bug\n"); pci_write_config(children[i], 0x75, 0x80, 1); pci_write_config(children[i], 0x76, (reg76 & 0x0f) | 0xd0, 1); } break; } } free(children, M_TEMP); } static const char * ata_pci_match(device_t dev) { if (pci_get_class(dev) != PCIC_STORAGE) return NULL; switch (pci_get_devid(dev)) { /* supported chipsets */ case 0x12308086: return "Intel PIIX ATA controller"; case 0x70108086: return "Intel PIIX3 ATA controller"; case 0x71118086: case 0x71998086: case 0x84ca8086: return "Intel PIIX4 ATA33 controller"; case 0x24218086: return "Intel ICH0 ATA33 controller"; case 0x24118086: case 0x76018086: return "Intel ICH ATA66 controller"; case 0x244a8086: case 0x244b8086: return "Intel ICH2 ATA100 controller"; case 0x248a8086: case 0x248b8086: return "Intel ICH3 ATA100 controller"; case 0x522910b9: if (pci_get_revid(dev) >= 0xc4) return "AcerLabs Aladdin ATA100 controller"; else if (pci_get_revid(dev) >= 0xc2) return "AcerLabs Aladdin ATA66 controller"; else if (pci_get_revid(dev) >= 0x20) return "AcerLabs Aladdin ATA33 controller"; else return "AcerLabs Aladdin ATA controller"; case 0x05711106: if (ata_find_dev(dev, 0x05861106, 0x02)) return "VIA 82C586 ATA33 controller"; if (ata_find_dev(dev, 0x05861106, 0)) return "VIA 82C586 ATA controller"; if (ata_find_dev(dev, 0x05961106, 0x12)) return "VIA 82C596 ATA66 controller"; if (ata_find_dev(dev, 0x05961106, 0)) return "VIA 82C596 ATA33 controller"; if (ata_find_dev(dev, 0x06861106, 0x40)) return "VIA 82C686 ATA100 controller"; if (ata_find_dev(dev, 0x06861106, 0x10)) return "VIA 82C686 ATA66 controller"; if (ata_find_dev(dev, 0x06861106, 0)) return "VIA 82C686 ATA33 controller"; if (ata_find_dev(dev, 0x82311106, 0)) return "VIA 8231 ATA100 controller"; if (ata_find_dev(dev, 0x30741106, 0) || ata_find_dev(dev, 0x31091106, 0)) return "VIA 8233 ATA100 controller"; if (ata_find_dev(dev, 0x31471106, 0)) return "VIA 8233 ATA133 controller"; return "VIA Apollo ATA controller"; case 0x55131039: if (ata_find_dev(dev, 0x06301039, 0x30) || ata_find_dev(dev, 0x06331039, 0x00) || ata_find_dev(dev, 0x06351039, 0x00) || ata_find_dev(dev, 0x06401039, 0x00) || ata_find_dev(dev, 0x06451039, 0x00) || ata_find_dev(dev, 0x06501039, 0x00) || ata_find_dev(dev, 0x07301039, 0x00) || ata_find_dev(dev, 0x07331039, 0x00) || ata_find_dev(dev, 0x07351039, 0x00) || ata_find_dev(dev, 0x07401039, 0x00) || ata_find_dev(dev, 0x07451039, 0x00) || ata_find_dev(dev, 0x07501039, 0x00)) return "SiS 5591 ATA100 controller"; else if (ata_find_dev(dev, 0x05301039, 0x00) || ata_find_dev(dev, 0x05401039, 0x00) || ata_find_dev(dev, 0x06201039, 0x00) || ata_find_dev(dev, 0x06301039, 0x00)) return "SiS 5591 ATA66 controller"; else return "SiS 5591 ATA33 controller"; case 0x06491095: return "CMD 649 ATA100 controller"; case 0x06481095: return "CMD 648 ATA66 controller"; case 0x06461095: return "CMD 646 ATA controller"; case 0xc6931080: if (pci_get_subclass(dev) == PCIS_STORAGE_IDE) return "Cypress 82C693 ATA controller"; return NULL; case 0x01021078: return "Cyrix 5530 ATA33 controller"; case 0x74091022: return "AMD 756 ATA66 controller"; case 0x74111022: return "AMD 766 ATA100 controller"; case 0x02111166: return "ServerWorks ROSB4 ATA33 controller"; case 0x4d33105a: return "Promise ATA33 controller"; case 0x4d38105a: return "Promise ATA66 controller"; case 0x0d30105a: case 0x4d30105a: return "Promise ATA100 controller"; case 0x4d68105a: case 0x6268105a: if (pci_get_devid(GRANDPARENT(dev)) == 0x00221011 && pci_get_class(GRANDPARENT(dev)) == PCIC_BRIDGE) { static long start = 0, end = 0; /* we belive we are on a TX4, now do our (simple) magic */ if (pci_get_slot(dev) == 1) { bus_get_resource(dev, SYS_RES_IRQ, 0, &start, &end); return "Promise TX4 ATA100 controller (channel 0+1)"; } else if (pci_get_slot(dev) == 2 && start && end) { bus_set_resource(dev, SYS_RES_IRQ, 0, start, end); start = end = 0; return "Promise TX4 ATA100 controller (channel 2+3)"; } else start = end = 0; } return "Promise TX2 ATA100 controller"; case 0x4d69105a: return "Promise TX2 ATA133 controller"; case 0x00041103: switch (pci_get_revid(dev)) { case 0x00: case 0x01: return "HighPoint HPT366 ATA66 controller"; case 0x02: return "HighPoint HPT368 ATA66 controller"; case 0x03: case 0x04: return "HighPoint HPT370 ATA100 controller"; case 0x05: return "HighPoint HPT372 ATA133 controller"; } return NULL; case 0x00051103: switch (pci_get_revid(dev)) { case 0x01: return "HighPoint HPT372 ATA133 controller"; } return NULL; case 0x00081103: switch (pci_get_revid(dev)) { case 0x07: return "HighPoint HPT374 ATA133 controller"; } return NULL; case 0x000116ca: return "Cenatek Rocket Drive controller"; /* unsupported but known chipsets, generic DMA only */ case 0x10001042: case 0x10011042: return "RZ 100? ATA controller !WARNING! buggy chip data loss possible"; case 0x06401095: return "CMD 640 ATA controller !WARNING! buggy chip data loss possible"; /* unknown chipsets, try generic DMA if it seems possible */ default: if (pci_get_class(dev) == PCIC_STORAGE && (pci_get_subclass(dev) == PCIS_STORAGE_IDE)) return "Generic PCI ATA controller"; } return NULL; } static int ata_pci_probe(device_t dev) { const char *desc = ata_pci_match(dev); if (desc) { device_set_desc(dev, desc); return 0; } else return ENXIO; } static int ata_pci_add_child(device_t dev, int unit) { device_t child; /* check if this is located at one of the std addresses */ if (ATA_MASTERDEV(dev)) { if (!(child = device_add_child(dev, "ata", unit))) return ENOMEM; } else { if (!(child = device_add_child(dev, "ata", devclass_find_free_unit(ata_devclass, 2)))) return ENOMEM; } return 0; } static int ata_pci_attach(device_t dev) { struct ata_pci_controller *controller = device_get_softc(dev); u_int8_t class, subclass; u_int32_t type, cmd; int rid; /* set up vendor-specific stuff */ type = pci_get_devid(dev); class = pci_get_class(dev); subclass = pci_get_subclass(dev); cmd = pci_read_config(dev, PCIR_COMMAND, 4); if (!(cmd & PCIM_CMD_PORTEN)) { device_printf(dev, "ATA channel disabled by BIOS\n"); return 0; } /* is busmastering supported ? */ if ((cmd & (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) == (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) { /* is there a valid port range to connect to ? */ rid = 0x20; controller->bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (!controller->bmio) device_printf(dev, "Busmastering DMA not configured\n"); } else device_printf(dev, "Busmastering DMA not supported\n"); /* do extra chipset specific setups */ switch (type) { case 0x522910b9: /* Aladdin need to activate the ATAPI FIFO */ pci_write_config(dev, 0x53, (pci_read_config(dev, 0x53, 1) & ~0x01) | 0x02, 1); break; case 0x4d38105a: /* Promise 66 & 100 (before TX2) need the clock changed */ case 0x4d30105a: case 0x0d30105a: ATA_OUTB(controller->bmio, 0x11, ATA_INB(controller->bmio, 0x11)|0x0a); /* FALLTHROUGH */ case 0x4d33105a: /* Promise (before TX2) need burst mode turned on */ ATA_OUTB(controller->bmio, 0x1f, ATA_INB(controller->bmio, 0x1f)|0x01); break; case 0x00041103: /* HighPoint HPT366/368/370/372 */ if (pci_get_revid(dev) < 2) { /* HPT 366 */ /* turn off interrupt prediction */ pci_write_config(dev, 0x51, (pci_read_config(dev, 0x51, 1) & ~0x80), 1); break; } /* FALLTHROUGH */ case 0x00051103: /* HighPoint HPT372 */ case 0x00081103: /* HighPoint HPT374 */ /* turn off interrupt prediction */ pci_write_config(dev, 0x51, (pci_read_config(dev, 0x51, 1) & ~0x03), 1); pci_write_config(dev, 0x55, (pci_read_config(dev, 0x55, 1) & ~0x03), 1); /* turn on interrupts */ pci_write_config(dev, 0x5a, (pci_read_config(dev, 0x5a, 1) & ~0x10), 1); break; case 0x05711106: /* VIA 82C586, '596, '686 default setup */ /* prepare for ATA-66 on the 82C686a and 82C596b */ if ((ata_find_dev(dev, 0x06861106, 0x10) && !ata_find_dev(dev, 0x06861106, 0x40)) || ata_find_dev(dev, 0x05961106, 0x12)) pci_write_config(dev, 0x50, 0x030b030b, 4); /* the southbridge might need the data corruption fix */ if (ata_find_dev(dev, 0x06861106, 0x40) || ata_find_dev(dev, 0x82311106, 0x10)) ata_via_southbridge_fixup(dev); /* FALLTHROUGH */ case 0x74091022: /* AMD 756 default setup */ case 0x74111022: /* AMD 766 default setup */ /* set prefetch, postwrite */ pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1); /* set fifo configuration half'n'half */ pci_write_config(dev, 0x43, (pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1); /* set status register read retry */ pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1); /* set DMA read & end-of-sector fifo flush */ pci_write_config(dev, 0x46, (pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1); /* set sector size */ pci_write_config(dev, 0x60, DEV_BSIZE, 2); pci_write_config(dev, 0x68, DEV_BSIZE, 2); break; case 0x10001042: /* RZ 100? known bad, no DMA */ case 0x10011042: case 0x06401095: /* CMD 640 known bad, no DMA */ controller->bmio = NULL; device_printf(dev, "Busmastering DMA disabled\n"); } if (controller->bmio) { controller->bmaddr = rman_get_start(controller->bmio); BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, rid, controller->bmio); controller->bmio = NULL; } /* * the Cypress chip is a mess, it contains two ATA functions, but * both channels are visible on the first one. * simply ignore the second function for now, as the right * solution (ignoring the second channel on the first function) * doesn't work with the crappy ATA interrupt setup on the alpha. */ if (pci_get_devid(dev) == 0xc6931080 && pci_get_function(dev) > 1) return 0; ata_pci_add_child(dev, 0); if (ATA_MASTERDEV(dev) || pci_read_config(dev, 0x18, 4) & IOMASK) ata_pci_add_child(dev, 1); return bus_generic_attach(dev); } static int ata_pci_intr(struct ata_channel *ch) { u_int8_t dmastat; /* * since we might share the IRQ with another device, and in some * cases with our twin channel, we only want to process interrupts * that we know this channel generated. */ switch (ch->chiptype) { case 0x00041103: /* HighPoint HPT366/368/370/372 */ case 0x00051103: /* HighPoint HPT372 */ case 0x00081103: /* HighPoint HPT374 */ if (((dmastat = ata_dmastatus(ch)) & (ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != ATA_BMSTAT_INTERRUPT) return 1; ATA_OUTB(ch->r_bmio, ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT); DELAY(1); return 0; case 0x06481095: /* CMD 648 */ case 0x06491095: /* CMD 649 */ if (!(pci_read_config(device_get_parent(ch->dev), 0x71, 1) & (ch->unit ? 0x08 : 0x04))) return 1; break; case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */ case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */ case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */ case 0x0d30105a: /* Promise OEM ATA100 */ if (!(ATA_INL(ch->r_bmio, (ch->unit ? 0x14 : 0x1c)) & (ch->unit ? 0x00004000 : 0x00000400))) return 1; break; case 0x4d68105a: /* Promise TX2 ATA100 */ case 0x6268105a: /* Promise TX2 ATA100 */ case 0x4d69105a: /* Promise TX2 ATA133 */ ATA_OUTB(ch->r_bmio, ATA_BMDEVSPEC_0, 0x0b); if (!(ATA_INB(ch->r_bmio, ATA_BMDEVSPEC_1) & 0x20)) return 1; break; } if (ch->flags & ATA_DMA_ACTIVE) { if (!((dmastat = ata_dmastatus(ch)) & ATA_BMSTAT_INTERRUPT)) return 1; ATA_OUTB(ch->r_bmio, ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT); DELAY(1); } return 0; } static int ata_pci_print_child(device_t dev, device_t child) { struct ata_channel *ch = device_get_softc(child); int retval = 0; retval += bus_print_child_header(dev, child); retval += printf(": at 0x%lx", rman_get_start(ch->r_io)); if (ATA_MASTERDEV(dev)) retval += printf(" irq %d", 14 + ch->unit); retval += bus_print_child_footer(dev, child); return retval; } static struct resource * ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid, u_long start, u_long end, u_long count, u_int flags) { struct ata_pci_controller *controller = device_get_softc(dev); struct resource *res = NULL; int unit = ((struct ata_channel *)device_get_softc(child))->unit; int myrid; if (type == SYS_RES_IOPORT) { switch (*rid) { case ATA_IOADDR_RID: if (ATA_MASTERDEV(dev)) { myrid = 0; start = (unit ? ATA_SECONDARY : ATA_PRIMARY); end = start + ATA_IOSIZE - 1; count = ATA_IOSIZE; res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, SYS_RES_IOPORT, &myrid, start, end, count, flags); } else { myrid = 0x10 + 8 * unit; res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, &myrid, start, end, count, flags); } break; case ATA_ALTADDR_RID: if (ATA_MASTERDEV(dev)) { myrid = 0; start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_ALTOFFSET; end = start + ATA_ALTIOSIZE - 1; count = ATA_ALTIOSIZE; res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, SYS_RES_IOPORT, &myrid, start, end, count, flags); } else { myrid = 0x14 + 8 * unit; res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, &myrid, start, end, count, flags); if (res) { start = rman_get_start(res) + 2; end = rman_get_start(res) + ATA_ALTIOSIZE - 1; count = ATA_ALTIOSIZE; BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, myrid, res); res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, &myrid, start, end, count, flags); } } break; case ATA_BMADDR_RID: if (controller->bmaddr) { myrid = 0x20; start = (unit == 0 ? controller->bmaddr : controller->bmaddr+ATA_BMIOSIZE); end = start + ATA_BMIOSIZE - 1; count = ATA_BMIOSIZE; res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, SYS_RES_IOPORT, &myrid, start, end, count, flags); } } return res; } if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) { if (ATA_MASTERDEV(dev)) { #ifdef __alpha__ return alpha_platform_alloc_ide_intr(unit); #else int irq = (unit == 0 ? 14 : 15); return BUS_ALLOC_RESOURCE(device_get_parent(dev), child, SYS_RES_IRQ, rid, irq, irq, 1, flags); #endif } else { /* primary and secondary channels share interrupt, keep track */ if (!controller->irq) controller->irq = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, SYS_RES_IRQ, rid, 0, ~0, 1, flags); controller->irqcnt++; return controller->irq; } } return 0; } static int ata_pci_release_resource(device_t dev, device_t child, int type, int rid, struct resource *r) { struct ata_pci_controller *controller = device_get_softc(dev); int unit = ((struct ata_channel *)device_get_softc(child))->unit; if (type == SYS_RES_IOPORT) { switch (rid) { case ATA_IOADDR_RID: if (ATA_MASTERDEV(dev)) return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, SYS_RES_IOPORT, 0x0, r); else return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, 0x10 + 8 * unit, r); break; case ATA_ALTADDR_RID: if (ATA_MASTERDEV(dev)) return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, SYS_RES_IOPORT, 0x0, r); else return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, 0x14 + 8 * unit, r); break; case ATA_BMADDR_RID: return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, SYS_RES_IOPORT, 0x20, r); default: return ENOENT; } } if (type == SYS_RES_IRQ) { if (rid != ATA_IRQ_RID) return ENOENT; if (ATA_MASTERDEV(dev)) { #ifdef __alpha__ return alpha_platform_release_ide_intr(unit, r); #else return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, SYS_RES_IRQ, rid, r); #endif } else { /* primary and secondary channels share interrupt, keep track */ if (--controller->irqcnt) return 0; controller->irq = NULL; return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, SYS_RES_IRQ, rid, r); } } return EINVAL; } static int ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq, int flags, driver_intr_t *intr, void *arg, void **cookiep) { if (ATA_MASTERDEV(dev)) { #ifdef __alpha__ return alpha_platform_setup_ide_intr(child, irq, intr, arg, cookiep); #else return BUS_SETUP_INTR(device_get_parent(dev), child, irq, flags, intr, arg, cookiep); #endif } else return BUS_SETUP_INTR(device_get_parent(dev), dev, irq, flags, intr, arg, cookiep); } static int ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq, void *cookie) { if (ATA_MASTERDEV(dev)) { #ifdef __alpha__ return alpha_platform_teardown_ide_intr(child, irq, cookie); #else return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie); #endif } else return BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie); } static device_method_t ata_pci_methods[] = { /* device interface */ DEVMETHOD(device_probe, ata_pci_probe), DEVMETHOD(device_attach, ata_pci_attach), DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD(device_suspend, bus_generic_suspend), DEVMETHOD(device_resume, bus_generic_resume), /* bus methods */ DEVMETHOD(bus_print_child, ata_pci_print_child), DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource), DEVMETHOD(bus_release_resource, ata_pci_release_resource), DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), DEVMETHOD(bus_setup_intr, ata_pci_setup_intr), DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr), { 0, 0 } }; static driver_t ata_pci_driver = { "atapci", ata_pci_methods, sizeof(struct ata_pci_controller), }; static devclass_t ata_pci_devclass; DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0); static int ata_pcisub_probe(device_t dev) { struct ata_channel *ch = device_get_softc(dev); device_t *children; int count, i; /* find channel number on this controller */ device_get_children(device_get_parent(dev), &children, &count); for (i = 0; i < count; i++) { if (children[i] == dev) ch->unit = i; } free(children, M_TEMP); ch->chiptype = pci_get_devid(device_get_parent(dev)); ch->intr_func = ata_pci_intr; return ata_probe(dev); } static device_method_t ata_pcisub_methods[] = { /* device interface */ DEVMETHOD(device_probe, ata_pcisub_probe), DEVMETHOD(device_attach, ata_attach), DEVMETHOD(device_detach, ata_detach), DEVMETHOD(device_resume, ata_resume), { 0, 0 } }; static driver_t ata_pcisub_driver = { "ata", ata_pcisub_methods, sizeof(struct ata_channel), }; DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0);