/*- * Copyright (c) 1998 - 2008 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. * * 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. */ #include __FBSDID("$FreeBSD$"); #include "opt_ata.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* local vars */ static MALLOC_DEFINE(M_ATAPCI, "ata_pci", "ATA driver PCI"); /* misc defines */ #define IOMASK 0xfffffffc /* local prototypes */ static int ata_generic_chipinit(device_t dev); static void ata_generic_setmode(device_t dev, int mode); /* * generic PCI ATA device probe */ int ata_pci_probe(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); char buffer[64]; /* is this a storage class device ? */ if (pci_get_class(dev) != PCIC_STORAGE) return (ENXIO); /* is this an IDE/ATA type device ? */ if (pci_get_subclass(dev) != PCIS_STORAGE_IDE) return (ENXIO); sprintf(buffer, "%s ATA controller", ata_pcivendor2str(dev)); device_set_desc_copy(dev, buffer); ctlr->chipinit = ata_generic_chipinit; /* we are a low priority handler */ return (BUS_PROBE_GENERIC); } int ata_pci_attach(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); device_t child; u_int32_t cmd; int unit; /* do chipset specific setups only needed once */ ctlr->legacy = ata_legacy(dev); if (ctlr->legacy || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK) ctlr->channels = 2; else ctlr->channels = 1; ctlr->ichannels = -1; ctlr->ch_attach = ata_pci_ch_attach; ctlr->ch_detach = ata_pci_ch_detach; ctlr->dev = dev; /* if needed try to enable busmastering */ cmd = pci_read_config(dev, PCIR_COMMAND, 2); if (!(cmd & PCIM_CMD_BUSMASTEREN)) { pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2); cmd = pci_read_config(dev, PCIR_COMMAND, 2); } /* if busmastering mode "stuck" use it */ if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) { ctlr->r_type1 = SYS_RES_IOPORT; ctlr->r_rid1 = ATA_BMADDR_RID; ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1, RF_ACTIVE); } if (ctlr->chipinit(dev)) return ENXIO; /* attach all channels on this controller */ for (unit = 0; unit < ctlr->channels; unit++) { if ((ctlr->ichannels & (1 << unit)) == 0) continue; child = device_add_child(dev, "ata", ((unit == 0 || unit == 1) && ctlr->legacy) ? unit : devclass_find_free_unit(ata_devclass, 2)); if (child == NULL) device_printf(dev, "failed to add ata child device\n"); else device_set_ivars(child, (void *)(intptr_t)unit); } bus_generic_attach(dev); return 0; } int ata_pci_detach(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); device_t *children; int nchildren, i; /* detach & delete all children */ if (!device_get_children(dev, &children, &nchildren)) { for (i = 0; i < nchildren; i++) device_delete_child(dev, children[i]); free(children, M_TEMP); } if (ctlr->r_irq) { bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle); bus_release_resource(dev, SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq); if (ctlr->r_irq_rid != ATA_IRQ_RID) pci_release_msi(dev); } if (ctlr->r_res2) bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2); if (ctlr->r_res1) bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1); return 0; } int ata_pci_suspend(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); int error = 0; bus_generic_suspend(dev); if (ctlr->suspend) error = ctlr->suspend(dev); return error; } int ata_pci_resume(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); int error = 0; if (ctlr->resume) error = ctlr->resume(dev); bus_generic_resume(dev); return error; } 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); int unit = ((struct ata_channel *)device_get_softc(child))->unit; struct resource *res = NULL; int myrid; if (type == SYS_RES_IOPORT) { switch (*rid) { case ATA_IOADDR_RID: if (controller->legacy) { start = (unit ? ATA_SECONDARY : ATA_PRIMARY); count = ATA_IOSIZE; end = start + count - 1; } myrid = PCIR_BAR(0) + (unit << 3); res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, &myrid, start, end, count, flags); break; case ATA_CTLADDR_RID: if (controller->legacy) { start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_CTLOFFSET; count = ATA_CTLIOSIZE; end = start + count - 1; } myrid = PCIR_BAR(1) + (unit << 3); res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, &myrid, start, end, count, flags); break; } } if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) { if (controller->legacy) { int irq = (unit == 0 ? 14 : 15); res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, SYS_RES_IRQ, rid, irq, irq, 1, flags); } else res = controller->r_irq; } return res; } 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: return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, PCIR_BAR(0) + (unit << 3), r); break; case ATA_CTLADDR_RID: return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, SYS_RES_IOPORT, PCIR_BAR(1) + (unit << 3), r); break; default: return ENOENT; } } if (type == SYS_RES_IRQ) { if (rid != ATA_IRQ_RID) return ENOENT; if (controller->legacy) { return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, SYS_RES_IRQ, rid, r); } else return 0; } return EINVAL; } int ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq, int flags, driver_filter_t *filter, driver_intr_t *function, void *argument, void **cookiep) { struct ata_pci_controller *controller = device_get_softc(dev); if (controller->legacy) { return BUS_SETUP_INTR(device_get_parent(dev), child, irq, flags, filter, function, argument, cookiep); } else { struct ata_pci_controller *controller = device_get_softc(dev); int unit = ((struct ata_channel *)device_get_softc(child))->unit; if (filter != NULL) { printf("ata-pci.c: we cannot use a filter here\n"); return (EINVAL); } controller->interrupt[unit].function = function; controller->interrupt[unit].argument = argument; *cookiep = controller; return 0; } } int ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq, void *cookie) { struct ata_pci_controller *controller = device_get_softc(dev); if (controller->legacy) { return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie); } else { struct ata_pci_controller *controller = device_get_softc(dev); int unit = ((struct ata_channel *)device_get_softc(child))->unit; controller->interrupt[unit].function = NULL; controller->interrupt[unit].argument = NULL; return 0; } } static void ata_generic_setmode(device_t dev, int mode) { struct ata_device *atadev = device_get_softc(dev); mode = ata_limit_mode(dev, mode, ATA_UDMA2); mode = ata_check_80pin(dev, mode); if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode)) atadev->mode = mode; } static int ata_generic_chipinit(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); if (ata_setup_interrupt(dev, ata_generic_intr)) return ENXIO; ctlr->setmode = ata_generic_setmode; return 0; } int ata_pci_ch_attach(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); struct resource *io = NULL, *ctlio = NULL; int i, rid; rid = ATA_IOADDR_RID; if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE))) return ENXIO; rid = ATA_CTLADDR_RID; if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,RF_ACTIVE))){ bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); return ENXIO; } ata_pci_dmainit(dev); for (i = ATA_DATA; i <= ATA_COMMAND; i ++) { ch->r_io[i].res = io; ch->r_io[i].offset = i; } ch->r_io[ATA_CONTROL].res = ctlio; ch->r_io[ATA_CONTROL].offset = ctlr->legacy ? 0 : 2; ch->r_io[ATA_IDX_ADDR].res = io; ata_default_registers(dev); if (ctlr->r_res1) { for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) { ch->r_io[i].res = ctlr->r_res1; ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE); } } ata_pci_hw(dev); return 0; } int ata_pci_ch_detach(device_t dev) { struct ata_channel *ch = device_get_softc(dev); ata_pci_dmafini(dev); bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ch->r_io[ATA_CONTROL].res); bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, ch->r_io[ATA_IDX_ADDR].res); return (0); } int ata_pci_status(device_t dev) { struct ata_pci_controller *controller = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); if ((dumping || !controller->legacy) && ((ch->flags & ATA_ALWAYS_DMASTAT) || (ch->dma.flags & ATA_DMA_ACTIVE))) { int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; if ((bmstat & (ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != ATA_BMSTAT_INTERRUPT) return 0; ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR); DELAY(1); } if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) { DELAY(100); if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) return 0; } return 1; } void ata_pci_hw(device_t dev) { struct ata_channel *ch = device_get_softc(dev); ata_generic_hw(dev); ch->hw.status = ata_pci_status; } static int ata_pci_dmastart(struct ata_request *request) { struct ata_channel *ch = device_get_softc(request->parent); ATA_DEBUG_RQ(request, "dmastart"); ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) | (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR))); ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, request->dma->sg_bus); ch->dma.flags |= ATA_DMA_ACTIVE; ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, (ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) | ((request->flags & ATA_R_READ) ? ATA_BMCMD_WRITE_READ : 0)| ATA_BMCMD_START_STOP); return 0; } static int ata_pci_dmastop(struct ata_request *request) { struct ata_channel *ch = device_get_softc(request->parent); int error; ATA_DEBUG_RQ(request, "dmastop"); ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); ch->dma.flags &= ~ATA_DMA_ACTIVE; error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); return error; } static void ata_pci_dmareset(device_t dev) { struct ata_channel *ch = device_get_softc(dev); struct ata_request *request; ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); ch->dma.flags &= ~ATA_DMA_ACTIVE; ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); if ((request = ch->running)) { device_printf(dev, "DMA reset calling unload\n"); ch->dma.unload(request); } } void ata_pci_dmainit(device_t dev) { struct ata_channel *ch = device_get_softc(dev); ata_dmainit(dev); ch->dma.start = ata_pci_dmastart; ch->dma.stop = ata_pci_dmastop; ch->dma.reset = ata_pci_dmareset; } void ata_pci_dmafini(device_t dev) { ata_dmafini(dev); } static device_method_t ata_pci_methods[] = { /* device interface */ DEVMETHOD(device_probe, ata_pci_probe), DEVMETHOD(device_attach, ata_pci_attach), DEVMETHOD(device_detach, ata_pci_detach), DEVMETHOD(device_suspend, ata_pci_suspend), DEVMETHOD(device_resume, ata_pci_resume), DEVMETHOD(device_shutdown, bus_generic_shutdown), /* bus methods */ 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 } }; devclass_t ata_pci_devclass; static driver_t ata_pci_driver = { "atapci", ata_pci_methods, sizeof(struct ata_pci_controller), }; DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0); MODULE_VERSION(atapci, 1); MODULE_DEPEND(atapci, ata, 1, 1, 1); static int ata_pcichannel_probe(device_t dev) { char buffer[32]; sprintf(buffer, "ATA channel %d", (int)(intptr_t)device_get_ivars(dev)); device_set_desc_copy(dev, buffer); return ata_probe(dev); } static int ata_pcichannel_attach(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); int error; if (ch->attached) return (0); ch->attached = 1; ch->unit = (intptr_t)device_get_ivars(dev); resource_int_value(device_get_name(dev), device_get_unit(dev), "pm_level", &ch->pm_level); if ((error = ctlr->ch_attach(dev))) return error; return ata_attach(dev); } static int ata_pcichannel_detach(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); int error; if (!ch->attached) return (0); ch->attached = 0; if ((error = ata_detach(dev))) return error; if (ctlr->ch_detach) return (ctlr->ch_detach(dev)); return (0); } static int ata_pcichannel_suspend(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); int error; if (!ch->attached) return (0); if ((error = ata_suspend(dev))) return (error); if (ctlr->ch_suspend != NULL && (error = ctlr->ch_suspend(dev))) return (error); return (0); } static int ata_pcichannel_resume(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); int error; if (!ch->attached) return (0); if (ctlr->ch_resume != NULL && (error = ctlr->ch_resume(dev))) return (error); return ata_resume(dev); } static int ata_pcichannel_locking(device_t dev, int mode) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); if (ctlr->locking) return ctlr->locking(dev, mode); else return ch->unit; } static void ata_pcichannel_reset(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); /* if DMA engine present reset it */ if (ch->dma.reset) ch->dma.reset(dev); /* reset the controller HW */ if (ctlr->reset) ctlr->reset(dev); else ata_generic_reset(dev); } static void ata_pcichannel_setmode(device_t parent, device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev)); struct ata_device *atadev = device_get_softc(dev); int mode = atadev->mode; ctlr->setmode(dev, ATA_PIO_MAX); if (mode >= ATA_DMA) ctlr->setmode(dev, mode); } static device_method_t ata_pcichannel_methods[] = { /* device interface */ DEVMETHOD(device_probe, ata_pcichannel_probe), DEVMETHOD(device_attach, ata_pcichannel_attach), DEVMETHOD(device_detach, ata_pcichannel_detach), DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD(device_suspend, ata_pcichannel_suspend), DEVMETHOD(device_resume, ata_pcichannel_resume), /* ATA methods */ DEVMETHOD(ata_setmode, ata_pcichannel_setmode), DEVMETHOD(ata_locking, ata_pcichannel_locking), DEVMETHOD(ata_reset, ata_pcichannel_reset), { 0, 0 } }; driver_t ata_pcichannel_driver = { "ata", ata_pcichannel_methods, sizeof(struct ata_channel), }; DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, 0, 0); /* * misc support fucntions */ int ata_legacy(device_t dev) { return (((pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&& ((pci_read_config(dev, PCIR_PROGIF, 1) & (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) != (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))) || (!pci_read_config(dev, PCIR_BAR(0), 4) && !pci_read_config(dev, PCIR_BAR(1), 4) && !pci_read_config(dev, PCIR_BAR(2), 4) && !pci_read_config(dev, PCIR_BAR(3), 4) && !pci_read_config(dev, PCIR_BAR(5), 4))); } void ata_generic_intr(void *data) { struct ata_pci_controller *ctlr = data; struct ata_channel *ch; int unit; for (unit = 0; unit < ctlr->channels; unit++) { if ((ch = ctlr->interrupt[unit].argument)) ctlr->interrupt[unit].function(ch); } } int ata_setup_interrupt(device_t dev, void *intr_func) { struct ata_pci_controller *ctlr = device_get_softc(dev); int i, msi = 0; if (!ctlr->legacy) { if (resource_int_value(device_get_name(dev), device_get_unit(dev), "msi", &i) == 0 && i != 0) msi = 1; if (msi && pci_msi_count(dev) > 0 && pci_alloc_msi(dev, &msi) == 0) { ctlr->r_irq_rid = 0x1; } else { ctlr->r_irq_rid = ATA_IRQ_RID; } if (!(ctlr->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &ctlr->r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { device_printf(dev, "unable to map interrupt\n"); return ENXIO; } if ((bus_setup_intr(dev, ctlr->r_irq, ATA_INTR_FLAGS, NULL, intr_func, ctlr, &ctlr->handle))) { /* SOS XXX release r_irq */ device_printf(dev, "unable to setup interrupt\n"); return ENXIO; } } return 0; } void ata_set_desc(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); char buffer[128]; sprintf(buffer, "%s %s %s controller", ata_pcivendor2str(dev), ctlr->chip->text, ata_mode2str(ctlr->chip->max_dma)); device_set_desc_copy(dev, buffer); } struct ata_chip_id * ata_match_chip(device_t dev, struct ata_chip_id *index) { uint32_t devid; uint8_t revid; devid = pci_get_devid(dev); revid = pci_get_revid(dev); while (index->chipid != 0) { if (devid == index->chipid && revid >= index->chiprev) return (index); index++; } return (NULL); } struct ata_chip_id * ata_find_chip(device_t dev, struct ata_chip_id *index, int slot) { struct ata_chip_id *idx; device_t *children; int nchildren, i; uint8_t s; if (device_get_children(device_get_parent(dev), &children, &nchildren)) return (NULL); for (i = 0; i < nchildren; i++) { s = pci_get_slot(children[i]); if ((slot >= 0 && s == slot) || (slot < 0 && s <= -slot)) { idx = ata_match_chip(children[i], index); if (idx != NULL) { free(children, M_TEMP); return (idx); } } } free(children, M_TEMP); return (NULL); } void ata_print_cable(device_t dev, u_int8_t *who) { device_printf(dev, "DMA limited to UDMA33, %s found non-ATA66 cable\n", who); } int ata_check_80pin(device_t dev, int mode) { struct ata_device *atadev = device_get_softc(dev); if (!ata_dma_check_80pin) { if (bootverbose) device_printf(dev, "Skipping 80pin cable check\n"); return mode; } if (mode > ATA_UDMA2 && !(atadev->param.hwres & ATA_CABLE_ID)) { ata_print_cable(dev, "device"); mode = ATA_UDMA2; } return mode; } char * ata_pcivendor2str(device_t dev) { switch (pci_get_vendor(dev)) { case ATA_ACARD_ID: return "Acard"; case ATA_ACER_LABS_ID: return "AcerLabs"; case ATA_AMD_ID: return "AMD"; case ATA_ADAPTEC_ID: return "Adaptec"; case ATA_ATI_ID: return "ATI"; case ATA_CYRIX_ID: return "Cyrix"; case ATA_CYPRESS_ID: return "Cypress"; case ATA_HIGHPOINT_ID: return "HighPoint"; case ATA_INTEL_ID: return "Intel"; case ATA_ITE_ID: return "ITE"; case ATA_JMICRON_ID: return "JMicron"; case ATA_MARVELL_ID: return "Marvell"; case ATA_NATIONAL_ID: return "National"; case ATA_NETCELL_ID: return "Netcell"; case ATA_NVIDIA_ID: return "nVidia"; case ATA_PROMISE_ID: return "Promise"; case ATA_SERVERWORKS_ID: return "ServerWorks"; case ATA_SILICON_IMAGE_ID: return "SiI"; case ATA_SIS_ID: return "SiS"; case ATA_VIA_ID: return "VIA"; case ATA_CENATEK_ID: return "Cenatek"; case ATA_MICRON_ID: return "Micron"; default: return "Generic"; } } int ata_mode2idx(int mode) { if ((mode & ATA_DMA_MASK) == ATA_UDMA0) return (mode & ATA_MODE_MASK) + 8; if ((mode & ATA_DMA_MASK) == ATA_WDMA0) return (mode & ATA_MODE_MASK) + 5; return (mode & ATA_MODE_MASK) - ATA_PIO0; }