1 /* $NetBSD: ahcisata_pci.c,v 1.30 2012/08/20 12:48:47 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Manuel Bouyer. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: ahcisata_pci.c,v 1.30 2012/08/20 12:48:47 bouyer Exp $"); 30 31 #include <sys/types.h> 32 #include <sys/malloc.h> 33 #include <sys/param.h> 34 #include <sys/kernel.h> 35 #include <sys/systm.h> 36 #include <sys/disklabel.h> 37 #include <sys/pmf.h> 38 39 #include <dev/pci/pcivar.h> 40 #include <dev/pci/pcidevs.h> 41 #include <dev/pci/pciidereg.h> 42 #include <dev/pci/pciidevar.h> 43 #include <dev/ic/ahcisatavar.h> 44 45 struct ahci_pci_quirk { 46 pci_vendor_id_t vendor; /* Vendor ID */ 47 pci_product_id_t product; /* Product ID */ 48 int quirks; /* quirks; same as sc_ahci_quirks */ 49 }; 50 51 static const struct ahci_pci_quirk ahci_pci_quirks[] = { 52 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_SATA, 53 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 54 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_SATA2, 55 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 56 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_SATA3, 57 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 58 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_SATA4, 59 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 60 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_AHCI_1, 61 AHCI_QUIRK_BADPMP }, 62 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_AHCI_2, 63 AHCI_QUIRK_BADPMP }, 64 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_AHCI_3, 65 AHCI_QUIRK_BADPMP }, 66 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP65_AHCI_4, 67 AHCI_QUIRK_BADPMP }, 68 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_SATA, 69 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 70 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_SATA2, 71 AHCI_QUIRK_BADPMP }, 72 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_SATA3, 73 AHCI_QUIRK_BADPMP }, 74 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_SATA4, 75 AHCI_QUIRK_BADPMP }, 76 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_AHCI_1, 77 AHCI_QUIRK_BADPMP }, 78 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_AHCI_2, 79 AHCI_QUIRK_BADPMP }, 80 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_AHCI_3, 81 AHCI_QUIRK_BADPMP }, 82 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_AHCI_4, 83 AHCI_QUIRK_BADPMP }, 84 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_AHCI_5, 85 AHCI_QUIRK_BADPMP }, 86 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_AHCI_6, 87 AHCI_QUIRK_BADPMP }, 88 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_AHCI_7, 89 AHCI_QUIRK_BADPMP }, 90 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP67_AHCI_8, 91 AHCI_QUIRK_BADPMP }, 92 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_1, 93 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 94 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_2, 95 AHCI_QUIRK_BADPMP }, 96 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_3, 97 AHCI_QUIRK_BADPMP }, 98 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_4, 99 AHCI_QUIRK_BADPMP }, 100 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_5, 101 AHCI_QUIRK_BADPMP }, 102 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_6, 103 AHCI_QUIRK_BADPMP }, 104 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_7, 105 AHCI_QUIRK_BADPMP }, 106 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_8, 107 AHCI_QUIRK_BADPMP }, 108 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_9, 109 AHCI_QUIRK_BADPMP }, 110 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_10, 111 AHCI_QUIRK_BADPMP }, 112 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_11, 113 AHCI_QUIRK_BADPMP }, 114 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP73_AHCI_12, 115 AHCI_QUIRK_BADPMP }, 116 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_1, 117 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 118 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_2, 119 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 120 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_3, 121 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 122 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_4, 123 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 124 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_5, 125 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 126 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_6, 127 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 128 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_7, 129 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 130 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_8, 131 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 132 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_9, 133 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 134 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_10, 135 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 136 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_11, 137 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 138 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP77_AHCI_12, 139 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 140 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_1, 141 AHCI_QUIRK_BADPMP }, 142 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_2, 143 AHCI_QUIRK_BADPMP }, 144 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_3, 145 AHCI_QUIRK_BADPMP }, 146 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_4, 147 AHCI_QUIRK_BADPMP }, 148 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_5, 149 AHCI_QUIRK_BADPMP }, 150 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_6, 151 AHCI_QUIRK_BADPMP }, 152 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_7, 153 AHCI_QUIRK_BADPMP }, 154 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_8, 155 AHCI_QUIRK_BADPMP }, 156 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_9, 157 AHCI_QUIRK_BADPMP }, 158 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_10, 159 AHCI_QUIRK_BADPMP }, 160 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_11, 161 AHCI_QUIRK_BADPMP }, 162 { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_MCP79_AHCI_12, 163 AHCI_QUIRK_BADPMP }, 164 { PCI_VENDOR_ALI, PCI_PRODUCT_ALI_M5288, 165 AHCI_PCI_QUIRK_FORCE }, 166 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88SE6121, 167 AHCI_PCI_QUIRK_FORCE | AHCI_QUIRK_BADPMP }, 168 { PCI_VENDOR_MARVELL, PCI_PRODUCT_MARVELL_88SE6145, 169 AHCI_QUIRK_BADPMP }, 170 { PCI_VENDOR_MARVELL2, PCI_PRODUCT_MARVELL2_88SE9128, 171 AHCI_PCI_QUIRK_FORCE }, 172 /* ATI SB600 AHCI 64-bit DMA only works on some boards/BIOSes */ 173 { PCI_VENDOR_ATI, PCI_PRODUCT_ATI_SB600_SATA_1, 174 AHCI_PCI_QUIRK_BAD64 | AHCI_QUIRK_BADPMPRESET }, 175 { PCI_VENDOR_ATI, PCI_PRODUCT_ATI_SB700_SATA_AHCI, 176 AHCI_QUIRK_BADPMPRESET }, 177 { PCI_VENDOR_ATI, PCI_PRODUCT_ATI_SB700_SATA_RAID, 178 AHCI_QUIRK_BADPMPRESET }, 179 { PCI_VENDOR_ATI, PCI_PRODUCT_ATI_SB700_SATA_RAID5, 180 AHCI_QUIRK_BADPMPRESET }, 181 { PCI_VENDOR_ATI, PCI_PRODUCT_ATI_SB700_SATA_FC, 182 AHCI_QUIRK_BADPMPRESET }, 183 { PCI_VENDOR_ATI, PCI_PRODUCT_ATI_SB700_SATA_AHCI2, 184 AHCI_QUIRK_BADPMPRESET }, 185 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT8237R_SATA, 186 AHCI_QUIRK_BADPMP }, 187 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT8251_SATA, 188 AHCI_QUIRK_BADPMP }, 189 }; 190 191 struct ahci_pci_softc { 192 struct ahci_softc ah_sc; 193 pci_chipset_tag_t sc_pc; 194 pcitag_t sc_pcitag; 195 void * sc_ih; 196 }; 197 198 static int ahci_pci_has_quirk(pci_vendor_id_t, pci_product_id_t); 199 static int ahci_pci_match(device_t, cfdata_t, void *); 200 static void ahci_pci_attach(device_t, device_t, void *); 201 static int ahci_pci_detach(device_t, int); 202 static bool ahci_pci_resume(device_t, const pmf_qual_t *); 203 204 205 CFATTACH_DECL_NEW(ahcisata_pci, sizeof(struct ahci_pci_softc), 206 ahci_pci_match, ahci_pci_attach, ahci_pci_detach, NULL); 207 208 static int 209 ahci_pci_has_quirk(pci_vendor_id_t vendor, pci_product_id_t product) 210 { 211 int i; 212 213 for (i = 0; i < __arraycount(ahci_pci_quirks); i++) 214 if (vendor == ahci_pci_quirks[i].vendor && 215 product == ahci_pci_quirks[i].product) 216 return ahci_pci_quirks[i].quirks; 217 return 0; 218 } 219 220 static int 221 ahci_pci_match(device_t parent, cfdata_t match, void *aux) 222 { 223 struct pci_attach_args *pa = aux; 224 bus_space_tag_t regt; 225 bus_space_handle_t regh; 226 bus_size_t size; 227 int ret = 0; 228 bool force; 229 230 force = ((ahci_pci_has_quirk( PCI_VENDOR(pa->pa_id), 231 PCI_PRODUCT(pa->pa_id)) & AHCI_PCI_QUIRK_FORCE) != 0); 232 233 /* if wrong class and not forced by quirks, don't match */ 234 if ((PCI_CLASS(pa->pa_class) != PCI_CLASS_MASS_STORAGE || 235 ((PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_SATA || 236 PCI_INTERFACE(pa->pa_class) != PCI_INTERFACE_SATA_AHCI) && 237 PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_RAID)) && 238 (force == false)) 239 return 0; 240 241 if (pci_mapreg_map(pa, AHCI_PCI_ABAR, 242 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 243 ®t, ®h, NULL, &size) != 0) 244 return 0; 245 246 if ((PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_SATA && 247 PCI_INTERFACE(pa->pa_class) == PCI_INTERFACE_SATA_AHCI) || 248 (bus_space_read_4(regt, regh, AHCI_GHC) & AHCI_GHC_AE) || 249 (force == true)) 250 ret = 3; 251 252 bus_space_unmap(regt, regh, size); 253 return ret; 254 } 255 256 static void 257 ahci_pci_attach(device_t parent, device_t self, void *aux) 258 { 259 struct pci_attach_args *pa = aux; 260 struct ahci_pci_softc *psc = device_private(self); 261 struct ahci_softc *sc = &psc->ah_sc; 262 const char *intrstr; 263 bool ahci_cap_64bit; 264 bool ahci_bad_64bit; 265 pci_intr_handle_t intrhandle; 266 267 sc->sc_atac.atac_dev = self; 268 269 if (pci_mapreg_map(pa, AHCI_PCI_ABAR, 270 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 271 &sc->sc_ahcit, &sc->sc_ahcih, NULL, &sc->sc_ahcis) != 0) { 272 aprint_error_dev(self, "can't map ahci registers\n"); 273 return; 274 } 275 psc->sc_pc = pa->pa_pc; 276 psc->sc_pcitag = pa->pa_tag; 277 278 pci_aprint_devinfo(pa, "AHCI disk controller"); 279 280 if (pci_intr_map(pa, &intrhandle) != 0) { 281 aprint_error_dev(self, "couldn't map interrupt\n"); 282 return; 283 } 284 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 285 psc->sc_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO, ahci_intr, sc); 286 if (psc->sc_ih == NULL) { 287 aprint_error_dev(self, "couldn't establish interrupt\n"); 288 return; 289 } 290 aprint_normal_dev(self, "interrupting at %s\n", 291 intrstr ? intrstr : "unknown interrupt"); 292 293 sc->sc_dmat = pa->pa_dmat; 294 295 sc->sc_ahci_quirks = ahci_pci_has_quirk(PCI_VENDOR(pa->pa_id), 296 PCI_PRODUCT(pa->pa_id)); 297 298 ahci_cap_64bit = (AHCI_READ(sc, AHCI_CAP) & AHCI_CAP_64BIT) != 0; 299 ahci_bad_64bit = ((sc->sc_ahci_quirks & AHCI_PCI_QUIRK_BAD64) != 0); 300 301 if (pci_dma64_available(pa) && ahci_cap_64bit) { 302 if (!ahci_bad_64bit) 303 sc->sc_dmat = pa->pa_dmat64; 304 aprint_verbose_dev(self, "64-bit DMA%s\n", 305 (sc->sc_dmat == pa->pa_dmat) ? " unavailable" : ""); 306 } 307 308 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID) { 309 AHCIDEBUG_PRINT(("%s: RAID mode\n", AHCINAME(sc)), DEBUG_PROBE); 310 sc->sc_atac_capflags = ATAC_CAP_RAID; 311 } else { 312 AHCIDEBUG_PRINT(("%s: SATA mode\n", AHCINAME(sc)), DEBUG_PROBE); 313 } 314 315 ahci_attach(sc); 316 317 if (!pmf_device_register(self, NULL, ahci_pci_resume)) 318 aprint_error_dev(self, "couldn't establish power handler\n"); 319 } 320 321 static int 322 ahci_pci_detach(device_t dv, int flags) 323 { 324 struct ahci_pci_softc *psc; 325 struct ahci_softc *sc; 326 int rv; 327 328 psc = device_private(dv); 329 sc = &psc->ah_sc; 330 331 if ((rv = ahci_detach(sc, flags))) 332 return rv; 333 334 pmf_device_deregister(dv); 335 336 if (psc->sc_ih != NULL) 337 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 338 339 bus_space_unmap(sc->sc_ahcit, sc->sc_ahcih, sc->sc_ahcis); 340 341 return 0; 342 } 343 344 static bool 345 ahci_pci_resume(device_t dv, const pmf_qual_t *qual) 346 { 347 struct ahci_pci_softc *psc = device_private(dv); 348 struct ahci_softc *sc = &psc->ah_sc; 349 int s; 350 351 s = splbio(); 352 ahci_resume(sc); 353 splx(s); 354 355 return true; 356 } 357