| 1 | /* $NetBSD: ahcisata_pci.c,v 1.38 2016/10/13 17:11:09 jdolecek 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 1.38 2016/10/13 17:11:09 jdolecek 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_88SE91XX, |
| 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_AHCI2, |
| 182 | AHCI_QUIRK_BADPMPRESET }, |
| 183 | { PCI_VENDOR_ATI, PCI_PRODUCT_ATI_SB700_SATA_STORAGE, |
| 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 | { PCI_VENDOR_ASMEDIA, PCI_PRODUCT_ASMEDIA_ASM1061_01, |
| 190 | AHCI_PCI_QUIRK_FORCE }, |
| 191 | { PCI_VENDOR_ASMEDIA, PCI_PRODUCT_ASMEDIA_ASM1061_02, |
| 192 | AHCI_PCI_QUIRK_FORCE }, |
| 193 | { PCI_VENDOR_ASMEDIA, PCI_PRODUCT_ASMEDIA_ASM1061_11, |
| 194 | AHCI_PCI_QUIRK_FORCE }, |
| 195 | { PCI_VENDOR_ASMEDIA, PCI_PRODUCT_ASMEDIA_ASM1061_12, |
| 196 | AHCI_PCI_QUIRK_FORCE }, |
| 197 | }; |
| 198 | |
| 199 | struct ahci_pci_softc { |
| 200 | struct ahci_softc ah_sc; |
| 201 | pci_chipset_tag_t sc_pc; |
| 202 | pcitag_t sc_pcitag; |
| 203 | void * sc_ih; |
| 204 | }; |
| 205 | |
| 206 | static int ahci_pci_has_quirk(pci_vendor_id_t, pci_product_id_t); |
| 207 | static int ahci_pci_match(device_t, cfdata_t, void *); |
| 208 | static void ahci_pci_attach(device_t, device_t, void *); |
| 209 | static int ahci_pci_detach(device_t, int); |
| 210 | static bool ahci_pci_resume(device_t, const pmf_qual_t *); |
| 211 | |
| 212 | |
| 213 | CFATTACH_DECL_NEW(ahcisata_pci, sizeof(struct ahci_pci_softc), |
| 214 | ahci_pci_match, ahci_pci_attach, ahci_pci_detach, NULL); |
| 215 | |
| 216 | static int |
| 217 | ahci_pci_has_quirk(pci_vendor_id_t vendor, pci_product_id_t product) |
| 218 | { |
| 219 | int i; |
| 220 | |
| 221 | for (i = 0; i < __arraycount(ahci_pci_quirks); i++) |
| 222 | if (vendor == ahci_pci_quirks[i].vendor && |
| 223 | product == ahci_pci_quirks[i].product) |
| 224 | return ahci_pci_quirks[i].quirks; |
| 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | static int |
| 229 | ahci_pci_match(device_t parent, cfdata_t match, void *aux) |
| 230 | { |
| 231 | struct pci_attach_args *pa = aux; |
| 232 | bus_space_tag_t regt; |
| 233 | bus_space_handle_t regh; |
| 234 | bus_size_t size; |
| 235 | int ret = 0; |
| 236 | bool force; |
| 237 | |
| 238 | force = ((ahci_pci_has_quirk( PCI_VENDOR(pa->pa_id), |
| 239 | PCI_PRODUCT(pa->pa_id)) & AHCI_PCI_QUIRK_FORCE) != 0); |
| 240 | |
| 241 | /* if wrong class and not forced by quirks, don't match */ |
| 242 | if ((PCI_CLASS(pa->pa_class) != PCI_CLASS_MASS_STORAGE || |
| 243 | ((PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_SATA || |
| 244 | PCI_INTERFACE(pa->pa_class) != PCI_INTERFACE_SATA_AHCI) && |
| 245 | PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_RAID)) && |
| 246 | (force == false)) |
| 247 | return 0; |
| 248 | |
| 249 | if (pci_mapreg_map(pa, AHCI_PCI_ABAR, |
| 250 | PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, |
| 251 | ®t, ®h, NULL, &size) != 0) |
| 252 | return 0; |
| 253 | |
| 254 | if ((PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_SATA && |
| 255 | PCI_INTERFACE(pa->pa_class) == PCI_INTERFACE_SATA_AHCI) || |
| 256 | (bus_space_read_4(regt, regh, AHCI_GHC) & AHCI_GHC_AE) || |
| 257 | (force == true)) |
| 258 | ret = 3; |
| 259 | |
| 260 | bus_space_unmap(regt, regh, size); |
| 261 | return ret; |
| 262 | } |
| 263 | |
| 264 | static void |
| 265 | ahci_pci_attach(device_t parent, device_t self, void *aux) |
| 266 | { |
| 267 | struct pci_attach_args *pa = aux; |
| 268 | struct ahci_pci_softc *psc = device_private(self); |
| 269 | struct ahci_softc *sc = &psc->ah_sc; |
| 270 | const char *intrstr; |
| 271 | bool ahci_cap_64bit; |
| 272 | bool ahci_bad_64bit; |
| 273 | pci_intr_handle_t intrhandle; |
| 274 | char intrbuf[PCI_INTRSTR_LEN]; |
| 275 | |
| 276 | sc->sc_atac.atac_dev = self; |
| 277 | |
| 278 | if (pci_mapreg_map(pa, AHCI_PCI_ABAR, |
| 279 | PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, |
| 280 | &sc->sc_ahcit, &sc->sc_ahcih, NULL, &sc->sc_ahcis) != 0) { |
| 281 | aprint_error_dev(self, "can't map ahci registers\n" ); |
| 282 | return; |
| 283 | } |
| 284 | psc->sc_pc = pa->pa_pc; |
| 285 | psc->sc_pcitag = pa->pa_tag; |
| 286 | |
| 287 | pci_aprint_devinfo(pa, "AHCI disk controller" ); |
| 288 | |
| 289 | if (pci_intr_map(pa, &intrhandle) != 0) { |
| 290 | aprint_error_dev(self, "couldn't map interrupt\n" ); |
| 291 | return; |
| 292 | } |
| 293 | intrstr = pci_intr_string(pa->pa_pc, intrhandle, |
| 294 | intrbuf, sizeof(intrbuf)); |
| 295 | psc->sc_ih = pci_intr_establish_xname(pa->pa_pc, intrhandle, IPL_BIO, |
| 296 | ahci_intr, sc, device_xname(sc->sc_atac.atac_dev)); |
| 297 | if (psc->sc_ih == NULL) { |
| 298 | aprint_error_dev(self, "couldn't establish interrupt\n" ); |
| 299 | return; |
| 300 | } |
| 301 | aprint_normal_dev(self, "interrupting at %s\n" , intrstr); |
| 302 | |
| 303 | sc->sc_dmat = pa->pa_dmat; |
| 304 | |
| 305 | sc->sc_ahci_quirks = ahci_pci_has_quirk(PCI_VENDOR(pa->pa_id), |
| 306 | PCI_PRODUCT(pa->pa_id)); |
| 307 | |
| 308 | ahci_cap_64bit = (AHCI_READ(sc, AHCI_CAP) & AHCI_CAP_64BIT) != 0; |
| 309 | ahci_bad_64bit = ((sc->sc_ahci_quirks & AHCI_PCI_QUIRK_BAD64) != 0); |
| 310 | |
| 311 | if (pci_dma64_available(pa) && ahci_cap_64bit) { |
| 312 | if (!ahci_bad_64bit) |
| 313 | sc->sc_dmat = pa->pa_dmat64; |
| 314 | aprint_verbose_dev(self, "64-bit DMA%s\n" , |
| 315 | (sc->sc_dmat == pa->pa_dmat) ? " unavailable" : "" ); |
| 316 | } |
| 317 | |
| 318 | if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID) { |
| 319 | AHCIDEBUG_PRINT(("%s: RAID mode\n" , AHCINAME(sc)), DEBUG_PROBE); |
| 320 | sc->sc_atac_capflags = ATAC_CAP_RAID; |
| 321 | } else { |
| 322 | AHCIDEBUG_PRINT(("%s: SATA mode\n" , AHCINAME(sc)), DEBUG_PROBE); |
| 323 | } |
| 324 | |
| 325 | ahci_attach(sc); |
| 326 | |
| 327 | if (!pmf_device_register(self, NULL, ahci_pci_resume)) |
| 328 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 329 | } |
| 330 | |
| 331 | static int |
| 332 | ahci_pci_detach(device_t dv, int flags) |
| 333 | { |
| 334 | struct ahci_pci_softc *psc; |
| 335 | struct ahci_softc *sc; |
| 336 | int rv; |
| 337 | |
| 338 | psc = device_private(dv); |
| 339 | sc = &psc->ah_sc; |
| 340 | |
| 341 | if ((rv = ahci_detach(sc, flags))) |
| 342 | return rv; |
| 343 | |
| 344 | pmf_device_deregister(dv); |
| 345 | |
| 346 | if (psc->sc_ih != NULL) |
| 347 | pci_intr_disestablish(psc->sc_pc, psc->sc_ih); |
| 348 | |
| 349 | bus_space_unmap(sc->sc_ahcit, sc->sc_ahcih, sc->sc_ahcis); |
| 350 | |
| 351 | return 0; |
| 352 | } |
| 353 | |
| 354 | static bool |
| 355 | ahci_pci_resume(device_t dv, const pmf_qual_t *qual) |
| 356 | { |
| 357 | struct ahci_pci_softc *psc = device_private(dv); |
| 358 | struct ahci_softc *sc = &psc->ah_sc; |
| 359 | int s; |
| 360 | |
| 361 | s = splbio(); |
| 362 | ahci_resume(sc); |
| 363 | splx(s); |
| 364 | |
| 365 | return true; |
| 366 | } |
| 367 | |