1 /* $OpenBSD: mpi_pci.c,v 1.20 2008/05/27 21:52:28 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 #ifdef __sparc64__ 33 #include <dev/ofw/openfirm.h> 34 #endif 35 36 #include <scsi/scsi_all.h> 37 #include <scsi/scsiconf.h> 38 39 #include <dev/ic/mpireg.h> 40 #include <dev/ic/mpivar.h> 41 42 int mpi_pci_match(struct device *, void *, void *); 43 void mpi_pci_attach(struct device *, struct device *, void *); 44 int mpi_pci_detach(struct device *, int); 45 46 struct mpi_pci_softc { 47 struct mpi_softc psc_mpi; 48 49 pci_chipset_tag_t psc_pc; 50 pcitag_t psc_tag; 51 52 void *psc_ih; 53 }; 54 55 struct cfattach mpi_pci_ca = { 56 sizeof(struct mpi_pci_softc), mpi_pci_match, mpi_pci_attach, 57 mpi_pci_detach 58 }; 59 60 #define PREAD(s, r) pci_conf_read((s)->psc_pc, (s)->psc_tag, (r)) 61 #define PWRITE(s, r, v) pci_conf_write((s)->psc_pc, (s)->psc_tag, (r), (v)) 62 63 static const struct pci_matchid mpi_devices[] = { 64 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030 }, 65 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909 }, 66 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909A }, 67 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919 }, 68 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919_1 }, 69 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919X }, 70 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929 }, 71 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929_1 }, 72 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929X }, 73 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC939X }, 74 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949E }, 75 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC949X }, 76 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064 }, 77 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064A }, 78 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E_2 }, 79 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E }, 80 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066 }, 81 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066E }, 82 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068 }, 83 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068_2 }, 84 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E }, 85 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E_2 } 86 }; 87 88 int 89 mpi_pci_match(struct device *parent, void *match, void *aux) 90 { 91 return (pci_matchbyid((struct pci_attach_args *)aux, mpi_devices, 92 sizeof(mpi_devices) / sizeof(mpi_devices[0]))); 93 } 94 95 void 96 mpi_pci_attach(struct device *parent, struct device *self, void *aux) 97 { 98 struct mpi_pci_softc *psc = (void *)self; 99 struct mpi_softc *sc = &psc->psc_mpi; 100 struct pci_attach_args *pa = aux; 101 pcireg_t memtype; 102 int r; 103 pci_intr_handle_t ih; 104 const char *intrstr; 105 #ifdef __sparc64__ 106 int node; 107 #endif 108 109 psc->psc_pc = pa->pa_pc; 110 psc->psc_tag = pa->pa_tag; 111 psc->psc_ih = NULL; 112 sc->sc_dmat = pa->pa_dmat; 113 sc->sc_ios = 0; 114 sc->sc_target = -1; 115 116 /* find the appropriate memory base */ 117 for (r = PCI_MAPREG_START; r < PCI_MAPREG_END; r += sizeof(memtype)) { 118 memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag, r); 119 if ((memtype & PCI_MAPREG_TYPE_MASK) == PCI_MAPREG_TYPE_MEM) 120 break; 121 } 122 if (r >= PCI_MAPREG_END) { 123 printf(": unable to locate system interface registers\n"); 124 return; 125 } 126 127 if (pci_mapreg_map(pa, r, memtype, 0, &sc->sc_iot, &sc->sc_ioh, 128 NULL, &sc->sc_ios, 0) != 0) { 129 printf(": unable to map system interface registers\n"); 130 return; 131 } 132 133 /* disable the expansion rom */ 134 PWRITE(psc, PCI_ROM_REG, PREAD(psc, PCI_ROM_REG) & ~PCI_ROM_ENABLE); 135 136 /* hook up the interrupt */ 137 if (pci_intr_map(pa, &ih)) { 138 printf(": unable to map interrupt\n"); 139 goto unmap; 140 } 141 intrstr = pci_intr_string(psc->psc_pc, ih); 142 psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO, 143 mpi_intr, sc, sc->sc_dev.dv_xname); 144 if (psc->psc_ih == NULL) { 145 printf(": unable to map interrupt%s%s\n", 146 intrstr == NULL ? "" : " at ", 147 intrstr == NULL ? "" : intrstr); 148 goto unmap; 149 } 150 printf(": %s", intrstr); 151 152 if (pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG) == 153 PCI_ID_CODE(PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030)) { 154 sc->sc_flags |= MPI_F_SPI; 155 #ifdef __sparc64__ 156 /* 157 * Walk up the Open Firmware device tree until we find a 158 * "scsi-initiator-id" property. 159 */ 160 node = PCITAG_NODE(pa->pa_tag); 161 while (node) { 162 if (OF_getprop(node, "scsi-initiator-id", 163 &sc->sc_target, sizeof(sc->sc_target)) == 164 sizeof(sc->sc_target)) 165 break; 166 node = OF_parent(node); 167 } 168 #endif 169 } 170 171 if (mpi_attach(sc) != 0) { 172 /* error printed by mpi_attach */ 173 goto deintr; 174 } 175 176 return; 177 178 deintr: 179 pci_intr_disestablish(psc->psc_pc, psc->psc_ih); 180 psc->psc_ih = NULL; 181 unmap: 182 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 183 sc->sc_ios = 0; 184 } 185 186 int 187 mpi_pci_detach(struct device *self, int flags) 188 { 189 struct mpi_pci_softc *psc = (struct mpi_pci_softc *)self; 190 struct mpi_softc *sc = &psc->psc_mpi; 191 192 mpi_detach(sc); 193 194 if (psc->psc_ih != NULL) { 195 pci_intr_disestablish(psc->psc_pc, psc->psc_ih); 196 psc->psc_ih = NULL; 197 } 198 if (sc->sc_ios != 0) { 199 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 200 sc->sc_ios = 0; 201 } 202 203 return (0); 204 } 205