1 /* $OpenBSD: aac_pci.c,v 1.9 2002/07/27 19:21:16 aaron Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Michael Smith 5 * Copyright (c) 2000 BSDi 6 * Copyright (c) 2000 Niklas Hallqvist 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD: /c/ncvs/src/sys/dev/aac/aac_pci.c,v 1.1 2000/09/13 03:20:34 msmith Exp $ 31 */ 32 33 /* 34 * This driver would not have rewritten for OpenBSD if it was not for the 35 * hardware donation from Nocom. I want to thank them for their support. 36 * Of course, credit should go to Mike Smith for the original work he did 37 * in the FreeBSD driver where I found lots of inspiration. 38 * - Niklas Hallqvist 39 */ 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/device.h> 44 #include <sys/kernel.h> 45 #include <sys/malloc.h> 46 #include <sys/queue.h> 47 48 #include <machine/bus.h> 49 #include <machine/endian.h> 50 #include <machine/intr.h> 51 52 #include <scsi/scsi_all.h> 53 #include <scsi/scsiconf.h> 54 55 #include <dev/pci/pcidevs.h> 56 #include <dev/pci/pcireg.h> 57 #include <dev/pci/pcivar.h> 58 59 #include <dev/ic/aacreg.h> 60 #include <dev/ic/aacvar.h> 61 62 int aac_pci_probe(struct device *, void *, void *); 63 void aac_pci_attach(struct device *, struct device *, void *); 64 65 struct aac_ident { 66 u_int16_t vendor; 67 u_int16_t device; 68 u_int16_t subvendor; 69 u_int16_t subdevice; 70 int hwif; 71 } aac_identifiers[] = { 72 /* Dell PERC 2/Si models */ 73 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_2SI, PCI_VENDOR_DELL, 74 PCI_PRODUCT_DELL_PERC_2SI, AAC_HWIF_I960RX }, 75 /* Dell PERC 3/Di models */ 76 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI, PCI_VENDOR_DELL, 77 PCI_PRODUCT_DELL_PERC_3DI, AAC_HWIF_I960RX }, 78 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI, PCI_VENDOR_DELL, 79 PCI_PRODUCT_DELL_PERC_3DI_2, AAC_HWIF_I960RX }, 80 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI, PCI_VENDOR_DELL, 81 PCI_PRODUCT_DELL_PERC_3DI_3, AAC_HWIF_I960RX }, 82 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI, PCI_VENDOR_DELL, 83 PCI_PRODUCT_DELL_PERC_3DI_SUB2, AAC_HWIF_I960RX }, 84 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI, PCI_VENDOR_DELL, 85 PCI_PRODUCT_DELL_PERC_3DI_SUB3, AAC_HWIF_I960RX }, 86 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI_2, PCI_VENDOR_DELL, 87 PCI_PRODUCT_DELL_PERC_3DI_2_SUB, AAC_HWIF_I960RX }, 88 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI_3, PCI_VENDOR_DELL, 89 PCI_PRODUCT_DELL_PERC_3DI_3_SUB, AAC_HWIF_I960RX }, 90 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI_3, PCI_VENDOR_DELL, 91 PCI_PRODUCT_DELL_PERC_3DI_3_SUB2, AAC_HWIF_I960RX }, 92 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI_3, PCI_VENDOR_DELL, 93 PCI_PRODUCT_DELL_PERC_3DI_3_SUB3, AAC_HWIF_I960RX }, 94 /* Dell PERC 3/Si models */ 95 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3SI, PCI_VENDOR_DELL, 96 PCI_PRODUCT_DELL_PERC_3SI, AAC_HWIF_I960RX }, 97 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3SI_2, PCI_VENDOR_DELL, 98 PCI_PRODUCT_DELL_PERC_3SI_2_SUB, AAC_HWIF_I960RX }, 99 /* Adaptec ADP-2622 */ 100 { PCI_VENDOR_ADP2, PCI_PRODUCT_ADP2_AAC2622, PCI_VENDOR_ADP2, 101 PCI_PRODUCT_ADP2_AAC2622, AAC_HWIF_I960RX }, 102 /* Adaptec ADP-364 */ 103 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_ADP2, 104 PCI_PRODUCT_ADP2_AAC364, AAC_HWIF_STRONGARM }, 105 /* Adaptec ADP-3642 */ 106 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_ADP2, 107 PCI_PRODUCT_ADP2_AAC3642, AAC_HWIF_STRONGARM }, 108 /* Dell PERC 2/QC */ 109 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_ADP2, 110 PCI_PRODUCT_ADP2_PERC_2QC, AAC_HWIF_STRONGARM }, 111 /* Dell PERC 3/QC */ 112 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_ADP2, 113 PCI_PRODUCT_ADP2_PERC_3QC, AAC_HWIF_STRONGARM }, 114 /* HP NetRAID-4M */ 115 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_HP, 116 PCI_PRODUCT_HP_NETRAID_4M, AAC_HWIF_STRONGARM }, 117 { 0, 0, 0, 0 } 118 }; 119 120 struct cfattach aac_pci_ca = { 121 sizeof (struct aac_softc), aac_pci_probe, aac_pci_attach 122 }; 123 124 /* 125 * Determine whether this is one of our supported adapters. 126 */ 127 int 128 aac_pci_probe(parent, match, aux) 129 struct device *parent; 130 void *match; 131 void *aux; 132 { 133 struct pci_attach_args *pa = aux; 134 struct aac_ident *m; 135 u_int32_t subsysid; 136 137 for (m = aac_identifiers; m->vendor != 0; m++) 138 if (m->vendor == PCI_VENDOR(pa->pa_id) && 139 m->device == PCI_PRODUCT(pa->pa_id)) { 140 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 141 PCI_SUBSYS_ID_REG); 142 if (m->subvendor == PCI_VENDOR(subsysid) && 143 m->subdevice == PCI_PRODUCT(subsysid)) 144 return (1); 145 } 146 return (0); 147 } 148 149 void 150 aac_pci_attach(parent, self, aux) 151 struct device *parent, *self; 152 void *aux; 153 { 154 struct pci_attach_args *pa = aux; 155 pci_chipset_tag_t pc = pa->pa_pc; 156 struct aac_softc *sc = (void *)self; 157 u_int16_t command; 158 bus_addr_t membase; 159 bus_size_t memsize; 160 pci_intr_handle_t ih; 161 const char *intrstr; 162 int state = 0; 163 struct aac_ident *m; 164 u_int32_t subsysid; 165 166 printf(": "); 167 168 /* 169 * Verify that the adapter is correctly set up in PCI space. 170 */ 171 command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 172 command |= PCI_COMMAND_MASTER_ENABLE; 173 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 174 command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 175 AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x ")); 176 if (!(command & PCI_COMMAND_MASTER_ENABLE)) { 177 printf("can't enable bus-master feature\n"); 178 goto bail_out; 179 } 180 if (!(command & PCI_COMMAND_MEM_ENABLE)) { 181 printf("memory window not available\n"); 182 goto bail_out; 183 } 184 185 /* 186 * Map control/status registers. 187 */ 188 if (pci_mapreg_map(pa, PCI_MAPREG_START, 189 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt, 190 &sc->sc_memh, &membase, &memsize, AAC_REGSIZE)) { 191 printf("can't find mem space\n"); 192 goto bail_out; 193 } 194 state++; 195 196 if (pci_intr_map(pa, &ih)) { 197 printf("couldn't map interrupt\n"); 198 goto bail_out; 199 } 200 intrstr = pci_intr_string(pc, ih); 201 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, aac_intr, sc, 202 sc->sc_dev.dv_xname); 203 if (sc->sc_ih == NULL) { 204 printf("couldn't establish interrupt"); 205 if (intrstr != NULL) 206 printf(" at %s", intrstr); 207 printf("\n"); 208 goto bail_out; 209 } 210 state++; 211 if (intrstr != NULL) 212 printf("%s\n", intrstr); 213 214 sc->sc_dmat = pa->pa_dmat; 215 216 for (m = aac_identifiers; m->vendor != 0; m++) 217 if (m->vendor == PCI_VENDOR(pa->pa_id) && 218 m->device == PCI_PRODUCT(pa->pa_id)) { 219 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 220 PCI_SUBSYS_ID_REG); 221 if (m->subvendor == PCI_VENDOR(subsysid) && 222 m->subdevice == PCI_PRODUCT(subsysid)) { 223 sc->sc_hwif = m->hwif; 224 switch(sc->sc_hwif) { 225 case AAC_HWIF_I960RX: 226 AAC_DPRINTF(AAC_D_MISC, 227 ("set hardware up for i960Rx")); 228 sc->sc_if = aac_rx_interface; 229 break; 230 231 case AAC_HWIF_STRONGARM: 232 AAC_DPRINTF(AAC_D_MISC, 233 ("set hardware up for StrongARM")); 234 sc->sc_if = aac_sa_interface; 235 break; 236 } 237 break; 238 } 239 } 240 241 if (aac_attach(sc)) 242 goto bail_out; 243 244 return; 245 246 bail_out: 247 if (state > 1) 248 pci_intr_disestablish(pc, sc->sc_ih); 249 if (state > 0) 250 bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize); 251 return; 252 } 253