ahci_pci.c revision 275101
1195534Sscottl/*- 2238805Smav * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org> 3195534Sscottl * All rights reserved. 4195534Sscottl * 5195534Sscottl * Redistribution and use in source and binary forms, with or without 6195534Sscottl * modification, are permitted provided that the following conditions 7195534Sscottl * are met: 8195534Sscottl * 1. Redistributions of source code must retain the above copyright 9195534Sscottl * notice, this list of conditions and the following disclaimer, 10195534Sscottl * without modification, immediately at the beginning of the file. 11195534Sscottl * 2. Redistributions in binary form must reproduce the above copyright 12195534Sscottl * notice, this list of conditions and the following disclaimer in the 13195534Sscottl * documentation and/or other materials provided with the distribution. 14195534Sscottl * 15195534Sscottl * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16195534Sscottl * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17195534Sscottl * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18195534Sscottl * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19195534Sscottl * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20195534Sscottl * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21195534Sscottl * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22195534Sscottl * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23195534Sscottl * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24195534Sscottl * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25195534Sscottl */ 26195534Sscottl 27195534Sscottl#include <sys/cdefs.h> 28195534Sscottl__FBSDID("$FreeBSD: head/sys/dev/ahci/ahci_pci.c 275101 2014-11-26 04:23:21Z mav $"); 29195534Sscottl 30195534Sscottl#include <sys/param.h> 31195534Sscottl#include <sys/module.h> 32195534Sscottl#include <sys/systm.h> 33195534Sscottl#include <sys/kernel.h> 34195534Sscottl#include <sys/bus.h> 35220576Smav#include <sys/conf.h> 36195534Sscottl#include <sys/endian.h> 37195534Sscottl#include <sys/malloc.h> 38195534Sscottl#include <sys/lock.h> 39195534Sscottl#include <sys/mutex.h> 40195534Sscottl#include <machine/stdarg.h> 41195534Sscottl#include <machine/resource.h> 42195534Sscottl#include <machine/bus.h> 43195534Sscottl#include <sys/rman.h> 44195534Sscottl#include <dev/pci/pcivar.h> 45195534Sscottl#include <dev/pci/pcireg.h> 46195534Sscottl#include "ahci.h" 47195534Sscottl 48271146Simpstatic int force_ahci = 1; 49271146SimpTUNABLE_INT("hw.ahci.force", &force_ahci); 50195534Sscottl 51199176Smavstatic struct { 52199176Smav uint32_t id; 53203030Smav uint8_t rev; 54199176Smav const char *name; 55199322Smav int quirks; 56199176Smav} ahci_ids[] = { 57271146Simp {0x43801002, 0x00, "AMD SB600", 58271146Simp AHCI_Q_NOMSI | AHCI_Q_ATI_PMP_BUG | AHCI_Q_MAXIO_64K}, 59271146Simp {0x43901002, 0x00, "AMD SB7x0/SB8x0/SB9x0", AHCI_Q_ATI_PMP_BUG}, 60271146Simp {0x43911002, 0x00, "AMD SB7x0/SB8x0/SB9x0", AHCI_Q_ATI_PMP_BUG}, 61271146Simp {0x43921002, 0x00, "AMD SB7x0/SB8x0/SB9x0", AHCI_Q_ATI_PMP_BUG}, 62271146Simp {0x43931002, 0x00, "AMD SB7x0/SB8x0/SB9x0", AHCI_Q_ATI_PMP_BUG}, 63271146Simp {0x43941002, 0x00, "AMD SB7x0/SB8x0/SB9x0", AHCI_Q_ATI_PMP_BUG}, 64271146Simp /* Not sure SB8x0/SB9x0 needs this quirk. Be conservative though */ 65271146Simp {0x43951002, 0x00, "AMD SB8x0/SB9x0", AHCI_Q_ATI_PMP_BUG}, 66244146Smav {0x78001022, 0x00, "AMD Hudson-2", 0}, 67244146Smav {0x78011022, 0x00, "AMD Hudson-2", 0}, 68244146Smav {0x78021022, 0x00, "AMD Hudson-2", 0}, 69244146Smav {0x78031022, 0x00, "AMD Hudson-2", 0}, 70244146Smav {0x78041022, 0x00, "AMD Hudson-2", 0}, 71260830Smav {0x06111b21, 0x00, "ASMedia ASM2106", 0}, 72225140Smav {0x06121b21, 0x00, "ASMedia ASM1061", 0}, 73203030Smav {0x26528086, 0x00, "Intel ICH6", AHCI_Q_NOFORCE}, 74203030Smav {0x26538086, 0x00, "Intel ICH6M", AHCI_Q_NOFORCE}, 75203030Smav {0x26818086, 0x00, "Intel ESB2", 0}, 76203030Smav {0x26828086, 0x00, "Intel ESB2", 0}, 77203030Smav {0x26838086, 0x00, "Intel ESB2", 0}, 78203030Smav {0x27c18086, 0x00, "Intel ICH7", 0}, 79203030Smav {0x27c38086, 0x00, "Intel ICH7", 0}, 80203030Smav {0x27c58086, 0x00, "Intel ICH7M", 0}, 81203030Smav {0x27c68086, 0x00, "Intel ICH7M", 0}, 82203030Smav {0x28218086, 0x00, "Intel ICH8", 0}, 83203030Smav {0x28228086, 0x00, "Intel ICH8", 0}, 84203030Smav {0x28248086, 0x00, "Intel ICH8", 0}, 85203030Smav {0x28298086, 0x00, "Intel ICH8M", 0}, 86203030Smav {0x282a8086, 0x00, "Intel ICH8M", 0}, 87203030Smav {0x29228086, 0x00, "Intel ICH9", 0}, 88203030Smav {0x29238086, 0x00, "Intel ICH9", 0}, 89203030Smav {0x29248086, 0x00, "Intel ICH9", 0}, 90203030Smav {0x29258086, 0x00, "Intel ICH9", 0}, 91203030Smav {0x29278086, 0x00, "Intel ICH9", 0}, 92203030Smav {0x29298086, 0x00, "Intel ICH9M", 0}, 93203030Smav {0x292a8086, 0x00, "Intel ICH9M", 0}, 94203030Smav {0x292b8086, 0x00, "Intel ICH9M", 0}, 95203030Smav {0x292c8086, 0x00, "Intel ICH9M", 0}, 96203030Smav {0x292f8086, 0x00, "Intel ICH9M", 0}, 97203030Smav {0x294d8086, 0x00, "Intel ICH9", 0}, 98203030Smav {0x294e8086, 0x00, "Intel ICH9M", 0}, 99203030Smav {0x3a058086, 0x00, "Intel ICH10", 0}, 100203030Smav {0x3a228086, 0x00, "Intel ICH10", 0}, 101203030Smav {0x3a258086, 0x00, "Intel ICH10", 0}, 102211922Smav {0x3b228086, 0x00, "Intel 5 Series/3400 Series", 0}, 103211922Smav {0x3b238086, 0x00, "Intel 5 Series/3400 Series", 0}, 104211922Smav {0x3b258086, 0x00, "Intel 5 Series/3400 Series", 0}, 105211922Smav {0x3b298086, 0x00, "Intel 5 Series/3400 Series", 0}, 106211922Smav {0x3b2c8086, 0x00, "Intel 5 Series/3400 Series", 0}, 107211922Smav {0x3b2f8086, 0x00, "Intel 5 Series/3400 Series", 0}, 108211922Smav {0x1c028086, 0x00, "Intel Cougar Point", 0}, 109211922Smav {0x1c038086, 0x00, "Intel Cougar Point", 0}, 110211922Smav {0x1c048086, 0x00, "Intel Cougar Point", 0}, 111211922Smav {0x1c058086, 0x00, "Intel Cougar Point", 0}, 112218605Smav {0x1d028086, 0x00, "Intel Patsburg", 0}, 113218605Smav {0x1d048086, 0x00, "Intel Patsburg", 0}, 114218605Smav {0x1d068086, 0x00, "Intel Patsburg", 0}, 115229671Sjimharris {0x28268086, 0x00, "Intel Patsburg (RAID)", 0}, 116221789Sjfv {0x1e028086, 0x00, "Intel Panther Point", 0}, 117221789Sjfv {0x1e038086, 0x00, "Intel Panther Point", 0}, 118258162Smav {0x1e048086, 0x00, "Intel Panther Point (RAID)", 0}, 119258162Smav {0x1e058086, 0x00, "Intel Panther Point (RAID)", 0}, 120258162Smav {0x1e068086, 0x00, "Intel Panther Point (RAID)", 0}, 121258162Smav {0x1e078086, 0x00, "Intel Panther Point (RAID)", 0}, 122258162Smav {0x1e0e8086, 0x00, "Intel Panther Point (RAID)", 0}, 123258162Smav {0x1e0f8086, 0x00, "Intel Panther Point (RAID)", 0}, 124258162Smav {0x1f228086, 0x00, "Intel Avoton", 0}, 125258162Smav {0x1f238086, 0x00, "Intel Avoton", 0}, 126258162Smav {0x1f248086, 0x00, "Intel Avoton (RAID)", 0}, 127258162Smav {0x1f258086, 0x00, "Intel Avoton (RAID)", 0}, 128258162Smav {0x1f268086, 0x00, "Intel Avoton (RAID)", 0}, 129258162Smav {0x1f278086, 0x00, "Intel Avoton (RAID)", 0}, 130258162Smav {0x1f2e8086, 0x00, "Intel Avoton (RAID)", 0}, 131258162Smav {0x1f2f8086, 0x00, "Intel Avoton (RAID)", 0}, 132258162Smav {0x1f328086, 0x00, "Intel Avoton", 0}, 133258162Smav {0x1f338086, 0x00, "Intel Avoton", 0}, 134258162Smav {0x1f348086, 0x00, "Intel Avoton (RAID)", 0}, 135258162Smav {0x1f358086, 0x00, "Intel Avoton (RAID)", 0}, 136258162Smav {0x1f368086, 0x00, "Intel Avoton (RAID)", 0}, 137258162Smav {0x1f378086, 0x00, "Intel Avoton (RAID)", 0}, 138258162Smav {0x1f3e8086, 0x00, "Intel Avoton (RAID)", 0}, 139258162Smav {0x1f3f8086, 0x00, "Intel Avoton (RAID)", 0}, 140253475Sjfv {0x23a38086, 0x00, "Intel Coleto Creek", 0}, 141258162Smav {0x28238086, 0x00, "Intel Wellsburg (RAID)", 0}, 142258162Smav {0x28278086, 0x00, "Intel Wellsburg (RAID)", 0}, 143244983Sjfv {0x8c028086, 0x00, "Intel Lynx Point", 0}, 144244983Sjfv {0x8c038086, 0x00, "Intel Lynx Point", 0}, 145258162Smav {0x8c048086, 0x00, "Intel Lynx Point (RAID)", 0}, 146258162Smav {0x8c058086, 0x00, "Intel Lynx Point (RAID)", 0}, 147258162Smav {0x8c068086, 0x00, "Intel Lynx Point (RAID)", 0}, 148258162Smav {0x8c078086, 0x00, "Intel Lynx Point (RAID)", 0}, 149258162Smav {0x8c0e8086, 0x00, "Intel Lynx Point (RAID)", 0}, 150258162Smav {0x8c0f8086, 0x00, "Intel Lynx Point (RAID)", 0}, 151275101Smav {0x8c828086, 0x00, "Intel Wildcat Point", 0}, 152275101Smav {0x8c838086, 0x00, "Intel Wildcat Point", 0}, 153275101Smav {0x8c848086, 0x00, "Intel Wildcat Point (RAID)", 0}, 154275101Smav {0x8c858086, 0x00, "Intel Wildcat Point (RAID)", 0}, 155275101Smav {0x8c868086, 0x00, "Intel Wildcat Point (RAID)", 0}, 156275101Smav {0x8c878086, 0x00, "Intel Wildcat Point (RAID)", 0}, 157275101Smav {0x8c8e8086, 0x00, "Intel Wildcat Point (RAID)", 0}, 158275101Smav {0x8c8f8086, 0x00, "Intel Wildcat Point (RAID)", 0}, 159258162Smav {0x8d028086, 0x00, "Intel Wellsburg", 0}, 160258162Smav {0x8d048086, 0x00, "Intel Wellsburg (RAID)", 0}, 161258162Smav {0x8d068086, 0x00, "Intel Wellsburg (RAID)", 0}, 162258162Smav {0x8d628086, 0x00, "Intel Wellsburg", 0}, 163258162Smav {0x8d648086, 0x00, "Intel Wellsburg (RAID)", 0}, 164258162Smav {0x8d668086, 0x00, "Intel Wellsburg (RAID)", 0}, 165258162Smav {0x8d6e8086, 0x00, "Intel Wellsburg (RAID)", 0}, 166258162Smav {0x9c028086, 0x00, "Intel Lynx Point-LP", 0}, 167258162Smav {0x9c038086, 0x00, "Intel Lynx Point-LP", 0}, 168258162Smav {0x9c048086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 169258162Smav {0x9c058086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 170258162Smav {0x9c068086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 171258162Smav {0x9c078086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 172258162Smav {0x9c0e8086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 173258162Smav {0x9c0f8086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 174221789Sjfv {0x23238086, 0x00, "Intel DH89xxCC", 0}, 175239907Smav {0x2360197b, 0x00, "JMicron JMB360", 0}, 176203030Smav {0x2361197b, 0x00, "JMicron JMB361", AHCI_Q_NOFORCE}, 177239907Smav {0x2362197b, 0x00, "JMicron JMB362", 0}, 178203030Smav {0x2363197b, 0x00, "JMicron JMB363", AHCI_Q_NOFORCE}, 179203030Smav {0x2365197b, 0x00, "JMicron JMB365", AHCI_Q_NOFORCE}, 180203030Smav {0x2366197b, 0x00, "JMicron JMB366", AHCI_Q_NOFORCE}, 181203030Smav {0x2368197b, 0x00, "JMicron JMB368", AHCI_Q_NOFORCE}, 182232380Smav {0x611111ab, 0x00, 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"NVIDIA MCP79", AHCI_Q_NOAA}, 261207499Smav {0x0ab510de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 262207499Smav {0x0ab610de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 263207499Smav {0x0ab710de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 264207499Smav {0x0ab810de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 265207499Smav {0x0ab910de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 266207499Smav {0x0aba10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 267207499Smav {0x0abb10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 268207499Smav {0x0abc10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 269207499Smav {0x0abd10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 270207499Smav {0x0abe10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 271207499Smav {0x0abf10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 272207499Smav {0x0d8410de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 273224603Smav {0x0d8510de, 0x00, "NVIDIA MCP89", AHCI_Q_NOFORCE|AHCI_Q_NOAA}, 274207499Smav {0x0d8610de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 275207499Smav {0x0d8710de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 276207499Smav {0x0d8810de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 277207499Smav {0x0d8910de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 278207499Smav {0x0d8a10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 279207499Smav {0x0d8b10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 280207499Smav {0x0d8c10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 281207499Smav {0x0d8d10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 282207499Smav {0x0d8e10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 283207499Smav {0x0d8f10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 284271403Smav {0x3781105a, 0x00, "Promise TX8660", 0}, 285208907Smav {0x33491106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ}, 286208907Smav {0x62871106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ}, 287203030Smav {0x11841039, 0x00, "SiS 966", 0}, 288203030Smav {0x11851039, 0x00, "SiS 968", 0}, 289203030Smav {0x01861039, 0x00, "SiS 968", 0}, 290203030Smav {0x00000000, 0x00, NULL, 0} 291199176Smav}; 292199176Smav 293271146Simpstatic int 294271146Simpahci_pci_ctlr_reset(device_t dev) 295271146Simp{ 296220565Smav 297271146Simp if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == 0x28298086 && 298271146Simp (pci_read_config(dev, 0x92, 1) & 0xfe) == 0x04) 299271146Simp pci_write_config(dev, 0x92, 0x01, 1); 300271146Simp return ahci_ctlr_reset(dev); 301271146Simp} 302228200Smav 303195534Sscottlstatic int 304195534Sscottlahci_probe(device_t dev) 305195534Sscottl{ 306199176Smav char buf[64]; 307199322Smav int i, valid = 0; 308199322Smav uint32_t devid = pci_get_devid(dev); 309203030Smav uint8_t revid = pci_get_revid(dev); 310199322Smav 311260163Szbb /* 312260163Szbb * Ensure it is not a PCI bridge (some vendors use 313260163Szbb * the same PID and VID in PCI bridge and AHCI cards). 314260163Szbb */ 315260163Szbb if (pci_get_class(dev) == PCIC_BRIDGE) 316260163Szbb return (ENXIO); 317260163Szbb 318199322Smav /* Is this a possible AHCI candidate? */ 319199322Smav if (pci_get_class(dev) == PCIC_STORAGE && 320199322Smav pci_get_subclass(dev) == PCIS_STORAGE_SATA && 321199322Smav pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0) 322199322Smav valid = 1; 323199322Smav /* Is this a known AHCI chip? */ 324199322Smav for (i = 0; ahci_ids[i].id != 0; i++) { 325199322Smav if (ahci_ids[i].id == devid && 326203030Smav ahci_ids[i].rev <= revid && 327228200Smav (valid || (force_ahci == 1 && 328228200Smav !(ahci_ids[i].quirks & AHCI_Q_NOFORCE)))) { 329199717Smav /* Do not attach JMicrons with single PCI function. */ 330199717Smav if (pci_get_vendor(dev) == 0x197b && 331199717Smav (pci_read_config(dev, 0xdf, 1) & 0x40) == 0) 332199717Smav return (ENXIO); 333199322Smav snprintf(buf, sizeof(buf), "%s AHCI SATA controller", 334199322Smav ahci_ids[i].name); 335199322Smav device_set_desc_copy(dev, buf); 336199322Smav return (BUS_PROBE_VENDOR); 337199322Smav } 338199322Smav } 339199322Smav if (!valid) 340199322Smav return (ENXIO); 341199322Smav device_set_desc_copy(dev, "AHCI SATA controller"); 342199322Smav return (BUS_PROBE_VENDOR); 343199322Smav} 344199322Smav 345199322Smavstatic int 346199322Smavahci_ata_probe(device_t dev) 347199322Smav{ 348199322Smav char buf[64]; 349199176Smav int i; 350199176Smav uint32_t devid = pci_get_devid(dev); 351203030Smav uint8_t revid = pci_get_revid(dev); 352195534Sscottl 353199322Smav if ((intptr_t)device_get_ivars(dev) >= 0) 354199322Smav return (ENXIO); 355199176Smav /* Is this a known AHCI chip? */ 356199176Smav for (i = 0; ahci_ids[i].id != 0; i++) { 357203030Smav if (ahci_ids[i].id == devid && 358203030Smav ahci_ids[i].rev <= revid) { 359199176Smav snprintf(buf, sizeof(buf), "%s AHCI SATA controller", 360199176Smav ahci_ids[i].name); 361199176Smav device_set_desc_copy(dev, buf); 362199176Smav return (BUS_PROBE_VENDOR); 363199176Smav } 364199176Smav } 365199176Smav device_set_desc_copy(dev, "AHCI SATA controller"); 366195534Sscottl return (BUS_PROBE_VENDOR); 367195534Sscottl} 368195534Sscottl 369195534Sscottlstatic int 370271146Simpahci_pci_attach(device_t dev) 371195534Sscottl{ 372195534Sscottl struct ahci_controller *ctlr = device_get_softc(dev); 373271146Simp int error, i; 374199322Smav uint32_t devid = pci_get_devid(dev); 375203030Smav uint8_t revid = pci_get_revid(dev); 376195534Sscottl 377199322Smav i = 0; 378203030Smav while (ahci_ids[i].id != 0 && 379203030Smav (ahci_ids[i].id != devid || 380203030Smav ahci_ids[i].rev > revid)) 381199322Smav i++; 382199322Smav ctlr->quirks = ahci_ids[i].quirks; 383271146Simp /* Limit speed for my onboard JMicron external port. 384271146Simp * It is not eSATA really, limit to SATA 1 */ 385271146Simp if (pci_get_devid(dev) == 0x2363197b && 386271146Simp pci_get_subvendor(dev) == 0x1043 && 387271146Simp pci_get_subdevice(dev) == 0x81e4) 388271146Simp ctlr->quirks |= AHCI_Q_SATA1_UNIT0; 389195534Sscottl /* if we have a memory BAR(5) we are likely on an AHCI part */ 390271146Simp ctlr->vendorid = pci_get_vendor(dev); 391271146Simp ctlr->deviceid = pci_get_device(dev); 392271146Simp ctlr->subvendorid = pci_get_subvendor(dev); 393271146Simp ctlr->subdeviceid = pci_get_subdevice(dev); 394195534Sscottl ctlr->r_rid = PCIR_BAR(5); 395195534Sscottl if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 396195534Sscottl &ctlr->r_rid, RF_ACTIVE))) 397195534Sscottl return ENXIO; 398207511Smav pci_enable_busmaster(dev); 399195534Sscottl /* Reset controller */ 400271146Simp if ((error = ahci_pci_ctlr_reset(dev)) != 0) { 401195534Sscottl bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 402195534Sscottl return (error); 403195534Sscottl }; 404222304Smav 405195534Sscottl /* Setup interrupts. */ 406195534Sscottl 407271146Simp /* Setup MSI register parameters */ 408256843Smav ctlr->msi = 2; 409195534Sscottl /* Process hints. */ 410245875Smav if (ctlr->quirks & AHCI_Q_NOMSI) 411256843Smav ctlr->msi = 0; 412195534Sscottl resource_int_value(device_get_name(dev), 413256843Smav device_get_unit(dev), "msi", &ctlr->msi); 414256843Smav ctlr->numirqs = 1; 415256843Smav if (ctlr->msi < 0) 416256843Smav ctlr->msi = 0; 417256843Smav else if (ctlr->msi == 1) 418256843Smav ctlr->msi = min(1, pci_msi_count(dev)); 419256843Smav else if (ctlr->msi > 1) { 420256843Smav ctlr->msi = 2; 421256843Smav ctlr->numirqs = pci_msi_count(dev); 422256843Smav } 423195534Sscottl /* Allocate MSI if needed/present. */ 424256843Smav if (ctlr->msi && pci_alloc_msi(dev, &ctlr->numirqs) != 0) { 425256843Smav ctlr->msi = 0; 426195534Sscottl ctlr->numirqs = 1; 427195534Sscottl } 428195534Sscottl 429271146Simp error = ahci_attach(dev); 430271146Simp if (error != 0) 431271146Simp if (ctlr->msi) 432271146Simp pci_release_msi(dev); 433271146Simp return error; 434195534Sscottl} 435195534Sscottl 436195534Sscottlstatic int 437271146Simpahci_pci_detach(device_t dev) 438195534Sscottl{ 439195534Sscottl 440271146Simp ahci_detach(dev); 441271146Simp pci_release_msi(dev); 442195534Sscottl return (0); 443195534Sscottl} 444195534Sscottl 445195534Sscottlstatic int 446271146Simpahci_pci_suspend(device_t dev) 447195534Sscottl{ 448195534Sscottl struct ahci_controller *ctlr = device_get_softc(dev); 449195534Sscottl 450271146Simp bus_generic_suspend(dev); 451271146Simp /* Disable interupts, so the state change(s) doesn't trigger */ 452271146Simp ATA_OUTL(ctlr->r_mem, AHCI_GHC, 453271146Simp ATA_INL(ctlr->r_mem, AHCI_GHC) & (~AHCI_GHC_IE)); 454271146Simp return 0; 455195534Sscottl} 456195534Sscottl 457195534Sscottlstatic int 458271146Simpahci_pci_resume(device_t dev) 459195534Sscottl{ 460271146Simp int res; 461195534Sscottl 462271146Simp if ((res = ahci_pci_ctlr_reset(dev)) != 0) 463271146Simp return (res); 464271146Simp ahci_ctlr_setup(dev); 465271146Simp return (bus_generic_resume(dev)); 466195534Sscottl} 467195534Sscottl 468195534Sscottldevclass_t ahci_devclass; 469195534Sscottlstatic device_method_t ahci_methods[] = { 470195534Sscottl DEVMETHOD(device_probe, ahci_probe), 471271146Simp DEVMETHOD(device_attach, ahci_pci_attach), 472271146Simp DEVMETHOD(device_detach, ahci_pci_detach), 473271146Simp DEVMETHOD(device_suspend, ahci_pci_suspend), 474271146Simp DEVMETHOD(device_resume, ahci_pci_resume), 475195534Sscottl DEVMETHOD(bus_print_child, ahci_print_child), 476195534Sscottl DEVMETHOD(bus_alloc_resource, ahci_alloc_resource), 477195534Sscottl DEVMETHOD(bus_release_resource, ahci_release_resource), 478195534Sscottl DEVMETHOD(bus_setup_intr, ahci_setup_intr), 479195534Sscottl DEVMETHOD(bus_teardown_intr,ahci_teardown_intr), 480208410Smav DEVMETHOD(bus_child_location_str, ahci_child_location_str), 481249346Smav DEVMETHOD(bus_get_dma_tag, ahci_get_dma_tag), 482195534Sscottl { 0, 0 } 483195534Sscottl}; 484195534Sscottlstatic driver_t ahci_driver = { 485195534Sscottl "ahci", 486195534Sscottl ahci_methods, 487195534Sscottl sizeof(struct ahci_controller) 488195534Sscottl}; 489195534SscottlDRIVER_MODULE(ahci, pci, ahci_driver, ahci_devclass, 0, 0); 490199322Smavstatic device_method_t ahci_ata_methods[] = { 491199322Smav DEVMETHOD(device_probe, ahci_ata_probe), 492271146Simp DEVMETHOD(device_attach, ahci_pci_attach), 493271146Simp DEVMETHOD(device_detach, ahci_pci_detach), 494271146Simp DEVMETHOD(device_suspend, ahci_pci_suspend), 495271146Simp DEVMETHOD(device_resume, ahci_pci_resume), 496199322Smav DEVMETHOD(bus_print_child, ahci_print_child), 497199322Smav DEVMETHOD(bus_alloc_resource, ahci_alloc_resource), 498199322Smav DEVMETHOD(bus_release_resource, ahci_release_resource), 499199322Smav DEVMETHOD(bus_setup_intr, ahci_setup_intr), 500199322Smav DEVMETHOD(bus_teardown_intr,ahci_teardown_intr), 501208410Smav DEVMETHOD(bus_child_location_str, ahci_child_location_str), 502199322Smav { 0, 0 } 503199322Smav}; 504199322Smavstatic driver_t ahci_ata_driver = { 505199322Smav "ahci", 506199322Smav ahci_ata_methods, 507199322Smav sizeof(struct ahci_controller) 508199322Smav}; 509199322SmavDRIVER_MODULE(ahci, atapci, ahci_ata_driver, ahci_devclass, 0, 0); 510