1 /* $OpenBSD: mpi_pci.c,v 1.22 2008/10/28 13:44:33 marco 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 "bio.h" 21 22 #include <sys/param.h> 23 #include <sys/systm.h> 24 #include <sys/kernel.h> 25 #include <sys/malloc.h> 26 #include <sys/device.h> 27 #include <sys/sensors.h> 28 #include <sys/rwlock.h> 29 30 #include <machine/bus.h> 31 32 #include <dev/pci/pcireg.h> 33 #include <dev/pci/pcivar.h> 34 #include <dev/pci/pcidevs.h> 35 36 #ifdef __sparc64__ 37 #include <dev/ofw/openfirm.h> 38 #endif 39 40 #include <scsi/scsi_all.h> 41 #include <scsi/scsiconf.h> 42 43 #include <dev/ic/mpireg.h> 44 #include <dev/ic/mpivar.h> 45 46 int mpi_pci_match(struct device *, void *, void *); 47 void mpi_pci_attach(struct device *, struct device *, void *); 48 int mpi_pci_detach(struct device *, int); 49 50 struct mpi_pci_softc { 51 struct mpi_softc psc_mpi; 52 53 pci_chipset_tag_t psc_pc; 54 pcitag_t psc_tag; 55 56 void *psc_ih; 57 }; 58 59 struct cfattach mpi_pci_ca = { 60 sizeof(struct mpi_pci_softc), mpi_pci_match, mpi_pci_attach, 61 mpi_pci_detach 62 }; 63 64 #define PREAD(s, r) pci_conf_read((s)->psc_pc, (s)->psc_tag, (r)) 65 #define PWRITE(s, r, v) pci_conf_write((s)->psc_pc, (s)->psc_tag, (r), (v)) 66 67 static const struct pci_matchid mpi_devices[] = { 68 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030 }, 69 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909 }, 70 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909A }, 71 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919 }, 72 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919_1 }, 73 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919X }, 74 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929 }, 75 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929_1 }, 76 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X }, 77 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC939X }, 78 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949E }, 79 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949X }, 80 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064 }, 81 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064A }, 82 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E_2 }, 83 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E }, 84 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066 }, 85 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066E }, 86 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068 }, 87 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068_2 }, 88 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E }, 89 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E_2 } 90 }; 91 92 int 93 mpi_pci_match(struct device *parent, void *match, void *aux) 94 { 95 return (pci_matchbyid((struct pci_attach_args *)aux, mpi_devices, 96 sizeof(mpi_devices) / sizeof(mpi_devices[0]))); 97 } 98 99 void 100 mpi_pci_attach(struct device *parent, struct device *self, void *aux) 101 { 102 struct mpi_pci_softc *psc = (void *)self; 103 struct mpi_softc *sc = &psc->psc_mpi; 104 struct pci_attach_args *pa = aux; 105 pcireg_t memtype; 106 int r; 107 pci_intr_handle_t ih; 108 const char *intrstr; 109 #ifdef __sparc64__ 110 int node; 111 #endif 112 113 psc->psc_pc = pa->pa_pc; 114 psc->psc_tag = pa->pa_tag; 115 psc->psc_ih = NULL; 116 sc->sc_dmat = pa->pa_dmat; 117 sc->sc_ios = 0; 118 sc->sc_target = -1; 119 120 /* find the appropriate memory base */ 121 for (r = PCI_MAPREG_START; r < PCI_MAPREG_END; r += sizeof(memtype)) { 122 memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag, r); 123 if ((memtype & PCI_MAPREG_TYPE_MASK) == PCI_MAPREG_TYPE_MEM) 124 break; 125 } 126 if (r >= PCI_MAPREG_END) { 127 printf(": unable to locate system interface registers\n"); 128 return; 129 } 130 131 if (pci_mapreg_map(pa, r, memtype, 0, &sc->sc_iot, &sc->sc_ioh, 132 NULL, &sc->sc_ios, 0) != 0) { 133 printf(": unable to map system interface registers\n"); 134 return; 135 } 136 137 /* disable the expansion rom */ 138 PWRITE(psc, PCI_ROM_REG, PREAD(psc, PCI_ROM_REG) & ~PCI_ROM_ENABLE); 139 140 /* hook up the interrupt */ 141 if (pci_intr_map(pa, &ih)) { 142 printf(": unable to map interrupt\n"); 143 goto unmap; 144 } 145 intrstr = pci_intr_string(psc->psc_pc, ih); 146 psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO, 147 mpi_intr, sc, sc->sc_dev.dv_xname); 148 if (psc->psc_ih == NULL) { 149 printf(": unable to map interrupt%s%s\n", 150 intrstr == NULL ? "" : " at ", 151 intrstr == NULL ? "" : intrstr); 152 goto unmap; 153 } 154 printf(": %s", intrstr); 155 156 if (pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG) == 157 PCI_ID_CODE(PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030)) { 158 sc->sc_flags |= MPI_F_SPI; 159 #ifdef __sparc64__ 160 /* 161 * Walk up the Open Firmware device tree until we find a 162 * "scsi-initiator-id" property. 163 */ 164 node = PCITAG_NODE(pa->pa_tag); 165 while (node) { 166 if (OF_getprop(node, "scsi-initiator-id", 167 &sc->sc_target, sizeof(sc->sc_target)) == 168 sizeof(sc->sc_target)) 169 break; 170 node = OF_parent(node); 171 } 172 #endif 173 } 174 175 if (mpi_attach(sc) != 0) { 176 /* error printed by mpi_attach */ 177 goto deintr; 178 } 179 180 return; 181 182 deintr: 183 pci_intr_disestablish(psc->psc_pc, psc->psc_ih); 184 psc->psc_ih = NULL; 185 unmap: 186 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 187 sc->sc_ios = 0; 188 } 189 190 int 191 mpi_pci_detach(struct device *self, int flags) 192 { 193 struct mpi_pci_softc *psc = (struct mpi_pci_softc *)self; 194 struct mpi_softc *sc = &psc->psc_mpi; 195 196 mpi_detach(sc); 197 198 if (psc->psc_ih != NULL) { 199 pci_intr_disestablish(psc->psc_pc, psc->psc_ih); 200 psc->psc_ih = NULL; 201 } 202 if (sc->sc_ios != 0) { 203 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 204 sc->sc_ios = 0; 205 } 206 207 return (0); 208 } 209