1 /* $OpenBSD: aac_pci.c,v 1.4 2001/07/07 12:04:22 niklas 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 dontion 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 __P((struct device *, void *, void *)); 63 void aac_pci_attach __P((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_SUB2, AAC_HWIF_I960RX }, 80 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI, PCI_VENDOR_DELL, 81 PCI_PRODUCT_DELL_PERC_3DI_SUB3, AAC_HWIF_I960RX }, 82 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3DI_2, PCI_VENDOR_DELL, 83 PCI_PRODUCT_DELL_PERC_3DI_2_SUB, AAC_HWIF_I960RX }, 84 /* Dell PERC 3/Si models */ 85 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3SI, PCI_VENDOR_DELL, 86 PCI_PRODUCT_DELL_PERC_3SI, AAC_HWIF_I960RX }, 87 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_3SI_2, PCI_VENDOR_DELL, 88 PCI_PRODUCT_DELL_PERC_3SI_2_SUB, AAC_HWIF_I960RX }, 89 /* Adaptec ADP-2622 */ 90 { PCI_VENDOR_ADP2, PCI_PRODUCT_ADP2_AAC2622, PCI_VENDOR_ADP2, 91 PCI_PRODUCT_ADP2_AAC2622, AAC_HWIF_I960RX }, 92 /* Adaptec ADP-364 */ 93 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_ADP2, 94 PCI_PRODUCT_ADP2_AAC364, AAC_HWIF_STRONGARM }, 95 /* Adaptec ADP-3642 */ 96 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_ADP2, 97 PCI_PRODUCT_ADP2_AAC3642, AAC_HWIF_STRONGARM }, 98 /* Dell PERC 2/QC */ 99 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_ADP2, 100 PCI_PRODUCT_ADP2_PERC_2QC, AAC_HWIF_STRONGARM }, 101 /* Dell PERC 3/QC */ 102 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_ADP2, 103 PCI_PRODUCT_ADP2_PERC_3QC, AAC_HWIF_STRONGARM }, 104 /* HP NetRAID-4M */ 105 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_CPQ42XX, PCI_VENDOR_HP, 106 PCI_PRODUCT_HP_NETRAID_4M, AAC_HWIF_STRONGARM }, 107 { 0, 0, 0, 0 } 108 }; 109 110 struct cfattach aac_pci_ca = { 111 sizeof (struct aac_softc), aac_pci_probe, aac_pci_attach 112 }; 113 114 /* 115 * Determine whether this is one of our supported adapters. 116 */ 117 int 118 aac_pci_probe(parent, match, aux) 119 struct device *parent; 120 void *match; 121 void *aux; 122 { 123 struct pci_attach_args *pa = aux; 124 struct aac_ident *m; 125 u_int32_t subsysid; 126 127 for (m = aac_identifiers; m->vendor != 0; m++) 128 if (m->vendor == PCI_VENDOR(pa->pa_id) && 129 m->device == PCI_PRODUCT(pa->pa_id)) { 130 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 131 PCI_SUBSYS_ID_REG); 132 if (m->subvendor == PCI_VENDOR(subsysid) && 133 m->subdevice == PCI_PRODUCT(subsysid)) 134 return (1); 135 } 136 return (0); 137 } 138 139 void 140 aac_pci_attach(parent, self, aux) 141 struct device *parent, *self; 142 void *aux; 143 { 144 struct pci_attach_args *pa = aux; 145 pci_chipset_tag_t pc = pa->pa_pc; 146 struct aac_softc *sc = (void *)self; 147 u_int16_t command; 148 bus_addr_t membase; 149 bus_size_t memsize; 150 pci_intr_handle_t ih; 151 const char *intrstr; 152 int state = 0; 153 struct aac_ident *m; 154 u_int32_t subsysid; 155 156 printf(": "); 157 158 /* 159 * Verify that the adapter is correctly set up in PCI space. 160 */ 161 command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 162 command |= PCI_COMMAND_MASTER_ENABLE; 163 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 164 command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 165 AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x ")); 166 if (!(command & PCI_COMMAND_MASTER_ENABLE)) { 167 printf("can't enable bus-master feature\n"); 168 goto bail_out; 169 } 170 if (!(command & PCI_COMMAND_MEM_ENABLE)) { 171 printf("memory window not available\n"); 172 goto bail_out; 173 } 174 175 /* 176 * Map control/status registers. 177 */ 178 if (pci_mapreg_map(pa, PCI_MAPREG_START, 179 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt, 180 &sc->sc_memh, &membase, &memsize, AAC_REGSIZE)) { 181 printf("can't find mem space\n"); 182 goto bail_out; 183 } 184 state++; 185 186 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, pa->pa_intrline, 187 &ih)) { 188 printf("couldn't map interrupt\n"); 189 goto bail_out; 190 } 191 intrstr = pci_intr_string(pc, ih); 192 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, aac_intr, sc, 193 sc->sc_dev.dv_xname); 194 if (sc->sc_ih == NULL) { 195 printf("couldn't establish interrupt"); 196 if (intrstr != NULL) 197 printf(" at %s", intrstr); 198 printf("\n"); 199 goto bail_out; 200 } 201 state++; 202 if (intrstr != NULL) 203 printf("%s\n", intrstr); 204 205 sc->sc_dmat = pa->pa_dmat; 206 207 for (m = aac_identifiers; m->vendor != 0; m++) 208 if (m->vendor == PCI_VENDOR(pa->pa_id) && 209 m->device == PCI_PRODUCT(pa->pa_id)) { 210 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 211 PCI_SUBSYS_ID_REG); 212 if (m->subvendor == PCI_VENDOR(subsysid) && 213 m->subdevice == PCI_PRODUCT(subsysid)) { 214 sc->sc_hwif = m->hwif; 215 switch(sc->sc_hwif) { 216 case AAC_HWIF_I960RX: 217 AAC_DPRINTF(AAC_D_MISC, 218 ("set hardware up for i960Rx")); 219 sc->sc_if = aac_rx_interface; 220 break; 221 222 case AAC_HWIF_STRONGARM: 223 AAC_DPRINTF(AAC_D_MISC, 224 ("set hardware up for StrongARM")); 225 sc->sc_if = aac_sa_interface; 226 break; 227 } 228 break; 229 } 230 } 231 232 if (aac_attach(sc)) 233 goto bail_out; 234 235 return; 236 237 bail_out: 238 if (state > 1) 239 pci_intr_disestablish(pc, sc->sc_ih); 240 if (state > 0) 241 bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize); 242 return; 243 } 244