1 /*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2001 Scott Long 4 * Copyright (c) 2000 BSDi 5 * Copyright (c) 2001 Adaptec, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 /* 33 * PCI bus interface and resource allocation. 34 */ 35 36 #include "opt_aac.h" 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 42 #include <sys/bio.h> 43 #include <sys/bus.h> 44 #include <sys/conf.h> 45 #include <sys/disk.h> 46 47 #include <machine/bus_memio.h> 48 #include <machine/bus.h> 49 #include <machine/resource.h> 50 #include <sys/rman.h> 51 52 #include <pci/pcireg.h> 53 #include <pci/pcivar.h> 54 55 #include <dev/aac/aacreg.h> 56 #include <dev/aac/aac_ioctl.h> 57 #include <dev/aac/aacvar.h> 58 59 static int aac_pci_probe(device_t dev); 60 static int aac_pci_attach(device_t dev); 61 62 static device_method_t aac_methods[] = { 63 /* Device interface */ 64 DEVMETHOD(device_probe, aac_pci_probe), 65 DEVMETHOD(device_attach, aac_pci_attach), 66 DEVMETHOD(device_detach, aac_detach), 67 DEVMETHOD(device_suspend, aac_suspend), 68 DEVMETHOD(device_resume, aac_resume), 69 70 DEVMETHOD(bus_print_child, bus_generic_print_child), 71 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 72 { 0, 0 } 73 }; 74 75 static driver_t aac_pci_driver = { 76 "aac", 77 aac_methods, 78 sizeof(struct aac_softc) 79 }; 80 81 static devclass_t aac_devclass; 82 83 DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0); 84 85 struct aac_ident 86 { 87 u_int16_t vendor; 88 u_int16_t device; 89 u_int16_t subvendor; 90 u_int16_t subdevice; 91 int hwif; 92 int quirks; 93 char *desc; 94 } aac_identifiers[] = { 95 {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0, 96 "Dell PERC 2/Si"}, 97 {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0, 98 "Dell PERC 3/Di"}, 99 {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0, 100 "Dell PERC 3/Si"}, 101 {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0, 102 "Dell PERC 3/Si"}, 103 {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0, 104 "Dell PERC 3/Di"}, 105 {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0, 106 "Dell PERC 3/Di"}, 107 {0x1028, 0x0008, 0x1028, 0x00cf, AAC_HWIF_I960RX, 0, 108 "Dell PERC 3/Di"}, 109 {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0, 110 "Dell PERC 3/Di"}, 111 {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0, 112 "Dell PERC 3/Di"}, 113 {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0, 114 "Dell PERC 3/Di"}, 115 {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0, 116 "Adaptec AAC-364"}, 117 {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, 0, 118 "Adaptec SCSI RAID 5400S"}, 119 {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC, 120 "Dell PERC 2/QC"}, 121 {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0, 122 "HP NetRaid-4M"}, 123 {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 124 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 125 {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 126 AAC_FLAGS_256FIBS, "Dell PERC 320/DC"}, 127 {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 128 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"}, 129 {0, 0, 0, 0, 0, 0, 0} 130 }; 131 132 /* 133 * Determine whether this is one of our supported adapters. 134 */ 135 static int 136 aac_pci_probe(device_t dev) 137 { 138 struct aac_ident *m; 139 140 debug_called(1); 141 142 for (m = aac_identifiers; m->vendor != 0; m++) { 143 if ((m->vendor == pci_get_vendor(dev)) && 144 (m->device == pci_get_device(dev)) && 145 ((m->subvendor == 0) || (m->subvendor == 146 pci_get_subvendor(dev))) && 147 ((m->subdevice == 0) || ((m->subdevice == 148 pci_get_subdevice(dev))))) { 149 150 device_set_desc(dev, m->desc); 151 return(-10); /* allow room to be overridden */ 152 } 153 } 154 return(ENXIO); 155 } 156 157 /* 158 * Allocate resources for our device, set up the bus interface. 159 */ 160 static int 161 aac_pci_attach(device_t dev) 162 { 163 struct aac_softc *sc; 164 int i, error; 165 u_int32_t command; 166 167 debug_called(1); 168 169 /* 170 * Initialise softc. 171 */ 172 sc = device_get_softc(dev); 173 bzero(sc, sizeof(*sc)); 174 sc->aac_dev = dev; 175 176 /* assume failure is 'not configured' */ 177 error = ENXIO; 178 179 /* 180 * Verify that the adapter is correctly set up in PCI space. 181 */ 182 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 183 command |= PCIM_CMD_BUSMASTEREN; 184 pci_write_config(dev, PCIR_COMMAND, command, 2); 185 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 186 if (!(command & PCIM_CMD_BUSMASTEREN)) { 187 device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 188 goto out; 189 } 190 if ((command & PCIM_CMD_MEMEN) == 0) { 191 device_printf(sc->aac_dev, "memory window not available\n"); 192 goto out; 193 } 194 195 /* 196 * Allocate the PCI register window. 197 */ 198 sc->aac_regs_rid = 0x10; /* first base address register */ 199 if ((sc->aac_regs_resource = bus_alloc_resource(sc->aac_dev, 200 SYS_RES_MEMORY, 201 &sc->aac_regs_rid, 202 0, ~0, 1, 203 RF_ACTIVE)) == NULL) { 204 device_printf(sc->aac_dev, 205 "couldn't allocate register window\n"); 206 goto out; 207 } 208 sc->aac_btag = rman_get_bustag(sc->aac_regs_resource); 209 sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource); 210 211 /* 212 * Allocate and connect our interrupt. 213 */ 214 sc->aac_irq_rid = 0; 215 if ((sc->aac_irq = bus_alloc_resource(sc->aac_dev, SYS_RES_IRQ, 216 &sc->aac_irq_rid, 0, ~0, 1, 217 RF_SHAREABLE | 218 RF_ACTIVE)) == NULL) { 219 device_printf(sc->aac_dev, "can't allocate interrupt\n"); 220 goto out; 221 } 222 #ifndef INTR_ENTROPY 223 #define INTR_ENTROPY 0 224 #endif 225 if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 226 INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY, aac_intr, 227 sc, &sc->aac_intr)) { 228 device_printf(sc->aac_dev, "can't set up interrupt\n"); 229 goto out; 230 } 231 232 /* assume failure is 'out of memory' */ 233 error = ENOMEM; 234 235 /* 236 * Allocate the parent bus DMA tag appropriate for our PCI interface. 237 * 238 * Note that some of these controllers are 64-bit capable. 239 */ 240 if (bus_dma_tag_create(NULL, /* parent */ 241 PAGE_SIZE, 0, /* algnmnt, boundary */ 242 BUS_SPACE_MAXADDR, /* lowaddr */ 243 BUS_SPACE_MAXADDR, /* highaddr */ 244 NULL, NULL, /* filter, filterarg */ 245 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 246 AAC_MAXSGENTRIES, /* nsegments */ 247 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 248 0, /* flags */ 249 &sc->aac_parent_dmat)) { 250 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 251 goto out; 252 } 253 254 /* 255 * Detect the hardware interface version, set up the bus interface 256 * indirection. 257 */ 258 sc->aac_hwif = AAC_HWIF_UNKNOWN; 259 for (i = 0; aac_identifiers[i].vendor != 0; i++) { 260 if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) && 261 (aac_identifiers[i].device == pci_get_device(dev)) && 262 (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) && 263 (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) { 264 sc->aac_hwif = aac_identifiers[i].hwif; 265 switch(sc->aac_hwif) { 266 case AAC_HWIF_I960RX: 267 debug(2, "set hardware up for i960Rx"); 268 sc->aac_if = aac_rx_interface; 269 break; 270 271 case AAC_HWIF_STRONGARM: 272 debug(2, "set hardware up for StrongARM"); 273 sc->aac_if = aac_sa_interface; 274 break; 275 case AAC_HWIF_FALCON: 276 debug(2, "set hardware up for Falcon/PPC"); 277 sc->aac_if = aac_fa_interface; 278 break; 279 } 280 281 /* Set up quirks */ 282 sc->flags = aac_identifiers[i].quirks; 283 284 break; 285 } 286 } 287 if (sc->aac_hwif == AAC_HWIF_UNKNOWN) { 288 device_printf(sc->aac_dev, "unknown hardware type\n"); 289 error = ENXIO; 290 goto out; 291 } 292 293 294 /* 295 * Do bus-independent initialisation. 296 */ 297 error = aac_attach(sc); 298 299 out: 300 if (error) 301 aac_free(sc); 302 return(error); 303 } 304