1 /* $OpenBSD: mpi_pci.c,v 1.18 2008/05/25 23:45:53 dlg Exp $ */ 2 3 /* 4 * Copyright (c) 2005 David Gwynne <dlg@openbsd.org> 5 * Copyright (c) 2005 Marco Peereboom <marco@openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <sys/param.h> 21 #include <sys/systm.h> 22 #include <sys/kernel.h> 23 #include <sys/malloc.h> 24 #include <sys/device.h> 25 26 #include <machine/bus.h> 27 28 #include <dev/pci/pcireg.h> 29 #include <dev/pci/pcivar.h> 30 #include <dev/pci/pcidevs.h> 31 32 #include <scsi/scsi_all.h> 33 #include <scsi/scsiconf.h> 34 35 #include <dev/ic/mpireg.h> 36 #include <dev/ic/mpivar.h> 37 38 int mpi_pci_match(struct device *, void *, void *); 39 void mpi_pci_attach(struct device *, struct device *, void *); 40 int mpi_pci_detach(struct device *, int); 41 42 struct mpi_pci_softc { 43 struct mpi_softc psc_mpi; 44 45 pci_chipset_tag_t psc_pc; 46 pcitag_t psc_tag; 47 48 void *psc_ih; 49 }; 50 51 struct cfattach mpi_pci_ca = { 52 sizeof(struct mpi_pci_softc), mpi_pci_match, mpi_pci_attach, 53 mpi_pci_detach 54 }; 55 56 #define PREAD(s, r) pci_conf_read((s)->psc_pc, (s)->psc_tag, (r)) 57 #define PWRITE(s, r, v) pci_conf_write((s)->psc_pc, (s)->psc_tag, (r), (v)) 58 59 static const struct pci_matchid mpi_devices[] = { 60 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030 }, 61 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909 }, 62 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909A }, 63 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919 }, 64 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919_1 }, 65 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919X }, 66 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929 }, 67 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929_1 }, 68 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X }, 69 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC939X }, 70 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949E }, 71 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949X }, 72 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064 }, 73 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064A }, 74 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E_2 }, 75 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E }, 76 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066 }, 77 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066E }, 78 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068 }, 79 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068_2 }, 80 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E }, 81 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E_2 } 82 }; 83 84 int 85 mpi_pci_match(struct device *parent, void *match, void *aux) 86 { 87 return (pci_matchbyid((struct pci_attach_args *)aux, mpi_devices, 88 sizeof(mpi_devices) / sizeof(mpi_devices[0]))); 89 } 90 91 void 92 mpi_pci_attach(struct device *parent, struct device *self, void *aux) 93 { 94 struct mpi_pci_softc *psc = (void *)self; 95 struct mpi_softc *sc = &psc->psc_mpi; 96 struct pci_attach_args *pa = aux; 97 pcireg_t memtype; 98 int r; 99 pci_intr_handle_t ih; 100 const char *intrstr; 101 102 psc->psc_pc = pa->pa_pc; 103 psc->psc_tag = pa->pa_tag; 104 psc->psc_ih = NULL; 105 sc->sc_dmat = pa->pa_dmat; 106 sc->sc_ios = 0; 107 sc->sc_target = -1; 108 109 /* find the appropriate memory base */ 110 for (r = PCI_MAPREG_START; r < PCI_MAPREG_END; r += sizeof(memtype)) { 111 memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag, r); 112 if ((memtype & PCI_MAPREG_TYPE_MASK) == PCI_MAPREG_TYPE_MEM) 113 break; 114 } 115 if (r >= PCI_MAPREG_END) { 116 printf(": unable to locate system interface registers\n"); 117 return; 118 } 119 120 if (pci_mapreg_map(pa, r, memtype, 0, &sc->sc_iot, &sc->sc_ioh, 121 NULL, &sc->sc_ios, 0) != 0) { 122 printf(": unable to map system interface registers\n"); 123 return; 124 } 125 126 /* disable the expansion rom */ 127 PWRITE(psc, PCI_ROM_REG, PREAD(psc, PCI_ROM_REG) & ~PCI_ROM_ENABLE); 128 129 /* hook up the interrupt */ 130 if (pci_intr_map(pa, &ih)) { 131 printf(": unable to map interrupt\n"); 132 goto unmap; 133 } 134 intrstr = pci_intr_string(psc->psc_pc, ih); 135 psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO, 136 mpi_intr, sc, sc->sc_dev.dv_xname); 137 if (psc->psc_ih == NULL) { 138 printf(": unable to map interrupt%s%s\n", 139 intrstr == NULL ? "" : " at ", 140 intrstr == NULL ? "" : intrstr); 141 goto unmap; 142 } 143 printf(": %s", intrstr); 144 145 if (pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG) == 146 PCI_ID_CODE(PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030)) 147 sc->sc_flags |= MPI_F_SPI; 148 149 if (mpi_attach(sc) != 0) { 150 /* error printed by mpi_attach */ 151 goto deintr; 152 } 153 154 return; 155 156 deintr: 157 pci_intr_disestablish(psc->psc_pc, psc->psc_ih); 158 psc->psc_ih = NULL; 159 unmap: 160 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 161 sc->sc_ios = 0; 162 } 163 164 int 165 mpi_pci_detach(struct device *self, int flags) 166 { 167 struct mpi_pci_softc *psc = (struct mpi_pci_softc *)self; 168 struct mpi_softc *sc = &psc->psc_mpi; 169 170 mpi_detach(sc); 171 172 if (psc->psc_ih != NULL) { 173 pci_intr_disestablish(psc->psc_pc, psc->psc_ih); 174 psc->psc_ih = NULL; 175 } 176 if (sc->sc_ios != 0) { 177 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 178 sc->sc_ios = 0; 179 } 180 181 return (0); 182 } 183