1 /* $OpenBSD: qla_pci.c,v 1.8 2014/04/03 20:01:47 brad Exp $ */ 2 3 /* 4 * Copyright (c) 2011 David Gwynne <dlg@openbsd.org> 5 * Copyright (c) 2013, 2014 Jonathan Matthew <jmatthew@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/qlareg.h> 44 #include <dev/ic/qlavar.h> 45 46 #define QLA_PCI_MEM_BAR 0x14 47 #define QLA_PCI_IO_BAR 0x10 48 49 int qla_pci_match(struct device *, void *, void *); 50 void qla_pci_attach(struct device *, struct device *, void *); 51 int qla_pci_detach(struct device *, int); 52 53 struct qla_pci_softc { 54 struct qla_softc psc_qla; 55 56 pci_chipset_tag_t psc_pc; 57 pcitag_t psc_tag; 58 59 void *psc_ih; 60 }; 61 62 struct cfattach qla_pci_ca = { 63 sizeof(struct qla_pci_softc), 64 qla_pci_match, 65 qla_pci_attach 66 }; 67 68 #define PREAD(s, r) pci_conf_read((s)->psc_pc, (s)->psc_tag, (r)) 69 #define PWRITE(s, r, v) pci_conf_write((s)->psc_pc, (s)->psc_tag, (r), (v)) 70 71 static const struct pci_matchid qla_devices[] = { 72 { PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2100 }, 73 { PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2200 }, 74 { PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2300 }, 75 { PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2312 }, 76 { PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2322 }, 77 { PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP6312 }, 78 { PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP6322 }, 79 }; 80 81 int 82 qla_pci_match(struct device *parent, void *match, void *aux) 83 { 84 return (pci_matchbyid(aux, qla_devices, nitems(qla_devices)) * 2); 85 } 86 87 void 88 qla_pci_attach(struct device *parent, struct device *self, void *aux) 89 { 90 struct qla_pci_softc *psc = (void *)self; 91 struct qla_softc *sc = &psc->psc_qla; 92 struct pci_attach_args *pa = aux; 93 pci_intr_handle_t ih; 94 const char *intrstr; 95 u_int32_t pcictl; 96 #ifdef __sparc64__ 97 u_int64_t wwn; 98 int node; 99 #endif 100 101 pcireg_t bars[] = { QLA_PCI_MEM_BAR, QLA_PCI_IO_BAR }; 102 pcireg_t memtype; 103 int r; 104 105 psc->psc_pc = pa->pa_pc; 106 psc->psc_tag = pa->pa_tag; 107 psc->psc_ih = NULL; 108 sc->sc_dmat = pa->pa_dmat; 109 sc->sc_ios = 0; 110 111 for (r = 0; r < nitems(bars); r++) { 112 memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag, bars[r]); 113 if (pci_mapreg_map(pa, bars[r], memtype, 0, 114 &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_ios, 0) == 0) 115 break; 116 117 sc->sc_ios = 0; 118 } 119 if (sc->sc_ios == 0) { 120 printf(": unable to map registers\n"); 121 return; 122 } 123 124 if (pci_intr_map(pa, &ih)) { 125 printf(": unable to map interrupt\n"); 126 goto unmap; 127 } 128 intrstr = pci_intr_string(psc->psc_pc, ih); 129 psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO, 130 qla_intr, sc, DEVNAME(sc)); 131 if (psc->psc_ih == NULL) { 132 printf(": unable to establish interrupt"); 133 if (intrstr != NULL) 134 printf(" at %s", intrstr); 135 printf("\n"); 136 goto deintr; 137 } 138 139 printf(": %s\n", intrstr); 140 141 pcictl = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 142 pcictl |= PCI_COMMAND_INVALIDATE_ENABLE | 143 PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE; 144 /* fw manual says to enable bus master here, then disable it while 145 * resetting.. hm. 146 */ 147 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, pcictl); 148 149 pcictl = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); 150 pcictl &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); 151 pcictl &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT); 152 pcictl |= (0x80 << PCI_LATTIMER_SHIFT); 153 pcictl |= (0x10 << PCI_CACHELINE_SHIFT); 154 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, pcictl); 155 156 pcictl = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ROM_REG); 157 pcictl &= ~1; 158 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_ROM_REG, pcictl); 159 160 switch (PCI_PRODUCT(pa->pa_id)) { 161 case PCI_PRODUCT_QLOGIC_ISP2100: 162 sc->sc_isp_gen = QLA_GEN_ISP2100; 163 sc->sc_isp_type = QLA_ISP2100; 164 break; 165 166 case PCI_PRODUCT_QLOGIC_ISP2200: 167 sc->sc_isp_gen = QLA_GEN_ISP2200; 168 sc->sc_isp_type = QLA_ISP2200; 169 break; 170 171 case PCI_PRODUCT_QLOGIC_ISP2300: 172 sc->sc_isp_type = QLA_ISP2300; 173 sc->sc_isp_gen = QLA_GEN_ISP23XX; 174 break; 175 176 case PCI_PRODUCT_QLOGIC_ISP2312: 177 case PCI_PRODUCT_QLOGIC_ISP6312: 178 sc->sc_isp_type = QLA_ISP2312; 179 sc->sc_isp_gen = QLA_GEN_ISP23XX; 180 break; 181 182 case PCI_PRODUCT_QLOGIC_ISP2322: 183 case PCI_PRODUCT_QLOGIC_ISP6322: 184 sc->sc_isp_type = QLA_ISP2322; 185 sc->sc_isp_gen = QLA_GEN_ISP23XX; 186 break; 187 188 default: 189 printf("unknown pci id %x", pa->pa_id); 190 return; 191 } 192 193 #ifdef __sparc64__ 194 node = PCITAG_NODE(pa->pa_tag); 195 if (OF_getprop(node, "port-wwn", &wwn, sizeof(wwn)) == sizeof(wwn)) 196 sc->sc_port_name = wwn; 197 if (OF_getprop(node, "node-wwn", &wwn, sizeof(wwn)) == sizeof(wwn)) 198 sc->sc_node_name = wwn; 199 #endif 200 201 sc->sc_port = pa->pa_function; 202 203 if (qla_attach(sc) != 0) { 204 /* error printed by qla_attach */ 205 goto deintr; 206 } 207 208 return; 209 210 deintr: 211 pci_intr_disestablish(psc->psc_pc, psc->psc_ih); 212 psc->psc_ih = NULL; 213 unmap: 214 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 215 sc->sc_ios = 0; 216 } 217 218 int 219 qla_pci_detach(struct device *self, int flags) 220 { 221 struct qla_pci_softc *psc = (struct qla_pci_softc *)self; 222 struct qla_softc *sc = &psc->psc_qla; 223 int rv; 224 225 if (psc->psc_ih == NULL) { 226 /* we didnt attach properly, so nothing to detach */ 227 return (0); 228 } 229 230 rv = qla_detach(sc, flags); 231 if (rv != 0) 232 return (rv); 233 234 pci_intr_disestablish(psc->psc_pc, psc->psc_ih); 235 psc->psc_ih = NULL; 236 237 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 238 sc->sc_ios = 0; 239 240 return (0); 241 } 242