/* $NetBSD: ahcisata_pci.c,v 1.15 2009/06/11 11:02:11 cegger Exp $ */ /* * Copyright (c) 2006 Manuel Bouyer. * * 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. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Manuel Bouyer. * 4. 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. * */ #include __KERNEL_RCSID(0, "$NetBSD: ahcisata_pci.c,v 1.15 2009/06/11 11:02:11 cegger Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #define AHCI_PCI_QUIRK_FORCE 1 /* force attach */ static const struct pci_quirkdata ahci_pci_quirks[] = { { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_SATA, AHCI_PCI_QUIRK_FORCE }, { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_SATA2, AHCI_PCI_QUIRK_FORCE }, { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_SATA3, AHCI_PCI_QUIRK_FORCE }, { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_SATA4, AHCI_PCI_QUIRK_FORCE }, { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_SATA, AHCI_PCI_QUIRK_FORCE }, { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_1, AHCI_PCI_QUIRK_FORCE }, { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88SE6121, AHCI_PCI_QUIRK_FORCE }, }; struct ahci_pci_softc { struct ahci_softc ah_sc; pci_chipset_tag_t sc_pc; pcitag_t sc_pcitag; }; static int ahci_pci_match(device_t, cfdata_t, void *); static void ahci_pci_attach(device_t, device_t, void *); const struct pci_quirkdata *ahci_pci_lookup_quirkdata(pci_vendor_id_t, pci_product_id_t); static bool ahci_pci_resume(device_t PMF_FN_PROTO); CFATTACH_DECL_NEW(ahcisata_pci, sizeof(struct ahci_pci_softc), ahci_pci_match, ahci_pci_attach, NULL, NULL); static int ahci_pci_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = aux; bus_space_tag_t regt; bus_space_handle_t regh; bus_size_t size; int ret = 0; const struct pci_quirkdata *quirks; quirks = ahci_pci_lookup_quirkdata(PCI_VENDOR(pa->pa_id), PCI_PRODUCT(pa->pa_id)); /* if wrong class and not forced by quirks, don't match */ if ((PCI_CLASS(pa->pa_class) != PCI_CLASS_MASS_STORAGE || ((PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_SATA || PCI_INTERFACE(pa->pa_class) != PCI_INTERFACE_SATA_AHCI) && PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_RAID)) && (quirks == NULL || (quirks->quirks & AHCI_PCI_QUIRK_FORCE) == 0)) return 0; if (pci_mapreg_map(pa, AHCI_PCI_ABAR, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, ®t, ®h, NULL, &size) != 0) return 0; if ((PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_SATA && PCI_INTERFACE(pa->pa_class) == PCI_INTERFACE_SATA_AHCI) || (quirks && quirks->quirks & AHCI_PCI_QUIRK_FORCE) || (bus_space_read_4(regt, regh, AHCI_GHC) & AHCI_GHC_AE)) ret = 3; bus_space_unmap(regt, regh, size); return ret; } static void ahci_pci_attach(device_t parent, device_t self, void *aux) { struct pci_attach_args *pa = aux; struct ahci_pci_softc *psc = device_private(self); struct ahci_softc *sc = &psc->ah_sc; bus_size_t size; char devinfo[256]; const char *intrstr; pci_intr_handle_t intrhandle; void *ih; sc->sc_atac.atac_dev = self; if (pci_mapreg_map(pa, AHCI_PCI_ABAR, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_ahcit, &sc->sc_ahcih, NULL, &size) != 0) { aprint_error_dev(self, "can't map ahci registers\n"); return; } psc->sc_pc = pa->pa_pc; psc->sc_pcitag = pa->pa_tag; pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); aprint_naive(": AHCI disk controller\n"); aprint_normal(": %s\n", devinfo); if (pci_intr_map(pa, &intrhandle) != 0) { aprint_error("%s: couldn't map interrupt\n", AHCINAME(sc)); return; } intrstr = pci_intr_string(pa->pa_pc, intrhandle); ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO, ahci_intr, sc); if (ih == NULL) { aprint_error("%s: couldn't establish interrupt", AHCINAME(sc)); return; } aprint_normal("%s: interrupting at %s\n", AHCINAME(sc), intrstr ? intrstr : "unknown interrupt"); sc->sc_dmat = pa->pa_dmat; if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID) { AHCIDEBUG_PRINT(("%s: RAID mode\n", AHCINAME(sc)), DEBUG_PROBE); sc->sc_atac_capflags = ATAC_CAP_RAID; } else { AHCIDEBUG_PRINT(("%s: SATA mode\n", AHCINAME(sc)), DEBUG_PROBE); } ahci_attach(sc); if (!pmf_device_register(self, NULL, ahci_pci_resume)) aprint_error_dev(self, "couldn't establish power handler\n"); } static bool ahci_pci_resume(device_t dv PMF_FN_ARGS) { struct ahci_pci_softc *psc = device_private(dv); struct ahci_softc *sc = &psc->ah_sc; int s; s = splbio(); ahci_reset(sc); ahci_setup_ports(sc); ahci_reprobe_drives(sc); ahci_enable_intrs(sc); splx(s); return true; } const struct pci_quirkdata * ahci_pci_lookup_quirkdata(pci_vendor_id_t vendor, pci_product_id_t product) { int i; for (i = 0; i < (sizeof ahci_pci_quirks / sizeof ahci_pci_quirks[0]); i++) if (vendor == ahci_pci_quirks[i].vendor && product == ahci_pci_quirks[i].product) return (&ahci_pci_quirks[i]); return (NULL); }