Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/ata/chipsets/ata-via.c
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 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 ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/module.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/ata.h> 37 #include <sys/bus.h> 38 #include <sys/endian.h> 39 #include <sys/malloc.h> 40 #include <sys/lock.h> 41 #include <sys/mutex.h> 42 #include <sys/sema.h> 43 #include <sys/taskqueue.h> 44 #include <vm/uma.h> 45 #include <machine/stdarg.h> 46 #include <machine/resource.h> 47 #include <machine/bus.h> 48 #include <sys/rman.h> 49 #include <dev/pci/pcivar.h> 50 #include <dev/pci/pcireg.h> 51 #include <dev/ata/ata-all.h> 52 #include <dev/ata/ata-pci.h> 53 #include <ata_if.h> 54 55 /* local prototypes */ 56 static int ata_via_chipinit(device_t dev); 57 static int ata_via_ch_attach(device_t dev); 58 static int ata_via_ch_detach(device_t dev); 59 static void ata_via_reset(device_t dev); 60 static int ata_via_status(device_t dev); 61 static int ata_via_old_setmode(device_t dev, int target, int mode); 62 static void ata_via_southbridge_fixup(device_t dev); 63 static int ata_via_new_setmode(device_t dev, int target, int mode); 64 static int ata_via_sata_ch_attach(device_t dev); 65 static int ata_via_sata_getrev(device_t dev, int target); 66 static int ata_via_sata_setmode(device_t dev, int target, int mode); 67 static void ata_via_sata_reset(device_t dev); 68 static int ata_via_sata_scr_read(device_t dev, int port, int reg, 69 u_int32_t *result); 70 static int ata_via_sata_scr_write(device_t dev, int port, int reg, 71 u_int32_t value); 72 static int ata_via_sata_status(device_t dev); 73 74 /* misc defines */ 75 #define VIA33 0 76 #define VIA66 1 77 #define VIA100 2 78 #define VIA133 3 79 80 #define VIACLK 0x01 81 #define VIABUG 0x02 82 #define VIABAR 0x04 83 #define VIASATA 0x10 84 85 /* 86 * VIA Technologies Inc. chipset support functions 87 */ 88 static int 89 ata_via_probe(device_t dev) 90 { 91 struct ata_pci_controller *ctlr = device_get_softc(dev); 92 static const struct ata_chip_id ids[] = 93 {{ ATA_VIA82C586, 0x02, VIA33, 0x00, ATA_UDMA2, "82C586B" }, 94 { ATA_VIA82C586, 0x00, VIA33, 0x00, ATA_WDMA2, "82C586" }, 95 { ATA_VIA82C596, 0x12, VIA66, VIACLK, ATA_UDMA4, "82C596B" }, 96 { ATA_VIA82C596, 0x00, VIA33, 0x00, ATA_UDMA2, "82C596" }, 97 { ATA_VIA82C686, 0x40, VIA100, VIABUG, ATA_UDMA5, "82C686B"}, 98 { ATA_VIA82C686, 0x10, VIA66, VIACLK, ATA_UDMA4, "82C686A" }, 99 { ATA_VIA82C686, 0x00, VIA33, 0x00, ATA_UDMA2, "82C686" }, 100 { ATA_VIA8231, 0x00, VIA100, VIABUG, ATA_UDMA5, "8231" }, 101 { ATA_VIA8233, 0x00, VIA100, 0x00, ATA_UDMA5, "8233" }, 102 { ATA_VIA8233C, 0x00, VIA100, 0x00, ATA_UDMA5, "8233C" }, 103 { ATA_VIA8233A, 0x00, VIA133, 0x00, ATA_UDMA6, "8233A" }, 104 { ATA_VIA8235, 0x00, VIA133, 0x00, ATA_UDMA6, "8235" }, 105 { ATA_VIA8237, 0x00, VIA133, 0x00, ATA_UDMA6, "8237" }, 106 { ATA_VIA8237A, 0x00, VIA133, 0x00, ATA_UDMA6, "8237A" }, 107 { ATA_VIA8237S, 0x00, VIA133, 0x00, ATA_UDMA6, "8237S" }, 108 { ATA_VIA8237_5372, 0x00, VIA133, 0x00, ATA_UDMA6, "8237" }, 109 { ATA_VIA8237_7372, 0x00, VIA133, 0x00, ATA_UDMA6, "8237" }, 110 { ATA_VIA8251, 0x00, VIA133, 0x00, ATA_UDMA6, "8251" }, 111 { ATA_VIACX700, 0x00, VIA133, VIASATA, ATA_SA150, "CX700" }, 112 { ATA_VIAVX800, 0x00, VIA133, VIASATA, ATA_SA150, "VX800" }, 113 { ATA_VIAVX855, 0x00, VIA133, 0x00, ATA_UDMA6, "VX855" }, 114 { ATA_VIAVX900, 0x00, VIA133, VIASATA, ATA_SA300, "VX900" }, 115 { 0, 0, 0, 0, 0, 0 }}; 116 static const struct ata_chip_id new_ids[] = 117 {{ ATA_VIA6410, 0x00, 0, 0x00, ATA_UDMA6, "6410" }, 118 { ATA_VIA6420, 0x00, 7, 0x00, ATA_SA150, "6420" }, 119 { ATA_VIA6421, 0x00, 6, VIABAR, ATA_SA150, "6421" }, 120 { ATA_VIA8237A, 0x00, 7, 0x00, ATA_SA150, "8237A" }, 121 { ATA_VIA8237S, 0x00, 7, 0x00, ATA_SA150, "8237S" }, 122 { ATA_VIA8237_5372, 0x00, 7, 0x00, ATA_SA300, "8237" }, 123 { ATA_VIA8237_7372, 0x00, 7, 0x00, ATA_SA300, "8237" }, 124 { 0, 0, 0, 0, 0, 0 }}; 125 126 if (pci_get_vendor(dev) != ATA_VIA_ID) 127 return ENXIO; 128 129 if (pci_get_devid(dev) == ATA_VIA82C571 || 130 pci_get_devid(dev) == ATA_VIACX700IDE || 131 pci_get_devid(dev) == ATA_VIASATAIDE || 132 pci_get_devid(dev) == ATA_VIASATAIDE2 || 133 pci_get_devid(dev) == ATA_VIASATAIDE3) { 134 if (!(ctlr->chip = ata_find_chip(dev, ids, -99))) 135 return ENXIO; 136 } 137 else { 138 if (!(ctlr->chip = ata_match_chip(dev, new_ids))) 139 return ENXIO; 140 } 141 142 ata_set_desc(dev); 143 ctlr->chipinit = ata_via_chipinit; 144 return (BUS_PROBE_LOW_PRIORITY); 145 } 146 147 static int 148 ata_via_chipinit(device_t dev) 149 { 150 struct ata_pci_controller *ctlr = device_get_softc(dev); 151 152 if (ata_setup_interrupt(dev, ata_generic_intr)) 153 return ENXIO; 154 155 /* 2 SATA with "SATA registers" at PCI config space + PATA on secondary */ 156 if (ctlr->chip->cfg2 & VIASATA) { 157 ctlr->ch_attach = ata_via_sata_ch_attach; 158 ctlr->setmode = ata_via_sata_setmode; 159 ctlr->getrev = ata_via_sata_getrev; 160 ctlr->reset = ata_via_sata_reset; 161 return 0; 162 } 163 /* Legacy SATA/SATA+PATA with SATA registers in BAR(5). */ 164 if (ctlr->chip->max_dma >= ATA_SA150) { 165 ctlr->r_type2 = SYS_RES_IOPORT; 166 ctlr->r_rid2 = PCIR_BAR(5); 167 if ((ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2, 168 &ctlr->r_rid2, RF_ACTIVE))) { 169 ctlr->ch_attach = ata_via_ch_attach; 170 ctlr->ch_detach = ata_via_ch_detach; 171 ctlr->reset = ata_via_reset; 172 } 173 if (ctlr->chip->cfg2 & VIABAR) { 174 ctlr->channels = 3; 175 ctlr->setmode = ata_via_new_setmode; 176 } else 177 ctlr->setmode = ata_sata_setmode; 178 ctlr->getrev = ata_sata_getrev; 179 return 0; 180 } 181 182 /* prepare for ATA-66 on the 82C686a and 82C596b */ 183 if (ctlr->chip->cfg2 & VIACLK) 184 pci_write_config(dev, 0x50, 0x030b030b, 4); 185 186 /* the southbridge might need the data corruption fix */ 187 if (ctlr->chip->cfg2 & VIABUG) 188 ata_via_southbridge_fixup(dev); 189 190 /* set fifo configuration half'n'half */ 191 pci_write_config(dev, 0x43, 192 (pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1); 193 194 /* set status register read retry */ 195 pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1); 196 197 /* set DMA read & end-of-sector fifo flush */ 198 pci_write_config(dev, 0x46, 199 (pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1); 200 201 /* set sector size */ 202 pci_write_config(dev, 0x60, DEV_BSIZE, 2); 203 pci_write_config(dev, 0x68, DEV_BSIZE, 2); 204 205 ctlr->setmode = ata_via_old_setmode; 206 return 0; 207 } 208 209 static int 210 ata_via_ch_attach(device_t dev) 211 { 212 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 213 struct ata_channel *ch = device_get_softc(dev); 214 215 /* newer SATA chips has resources in one BAR for each channel */ 216 if (ctlr->chip->cfg2 & VIABAR) { 217 struct resource *r_io; 218 int i, rid; 219 220 ata_pci_dmainit(dev); 221 222 rid = PCIR_BAR(ch->unit); 223 if (!(r_io = bus_alloc_resource_any(device_get_parent(dev), 224 SYS_RES_IOPORT, 225 &rid, RF_ACTIVE))) 226 return ENXIO; 227 228 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) { 229 ch->r_io[i].res = r_io; 230 ch->r_io[i].offset = i; 231 } 232 ch->r_io[ATA_CONTROL].res = r_io; 233 ch->r_io[ATA_CONTROL].offset = 2 + ATA_IOSIZE; 234 ch->r_io[ATA_IDX_ADDR].res = r_io; 235 ata_default_registers(dev); 236 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) { 237 ch->r_io[i].res = ctlr->r_res1; 238 ch->r_io[i].offset = (i - ATA_BMCMD_PORT)+(ch->unit * ATA_BMIOSIZE); 239 } 240 ata_pci_hw(dev); 241 if (ch->unit >= 2) 242 return 0; 243 } 244 else { 245 /* setup the usual register normal pci style */ 246 if (ata_pci_ch_attach(dev)) 247 return ENXIO; 248 } 249 250 ch->r_io[ATA_SSTATUS].res = ctlr->r_res2; 251 ch->r_io[ATA_SSTATUS].offset = (ch->unit << ctlr->chip->cfg1); 252 ch->r_io[ATA_SERROR].res = ctlr->r_res2; 253 ch->r_io[ATA_SERROR].offset = 0x04 + (ch->unit << ctlr->chip->cfg1); 254 ch->r_io[ATA_SCONTROL].res = ctlr->r_res2; 255 ch->r_io[ATA_SCONTROL].offset = 0x08 + (ch->unit << ctlr->chip->cfg1); 256 ch->hw.status = ata_via_status; 257 ch->flags |= ATA_NO_SLAVE; 258 ch->flags |= ATA_SATA; 259 ch->flags |= ATA_PERIODIC_POLL; 260 261 ata_sata_scr_write(ch, -1, ATA_SERROR, 0xffffffff); 262 263 return 0; 264 } 265 266 static int 267 ata_via_ch_detach(device_t dev) 268 { 269 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 270 struct ata_channel *ch = device_get_softc(dev); 271 272 /* newer SATA chips has resources in one BAR for each channel */ 273 if (ctlr->chip->cfg2 & VIABAR) { 274 int rid; 275 276 rid = PCIR_BAR(ch->unit); 277 bus_release_resource(device_get_parent(dev), 278 SYS_RES_IOPORT, rid, ch->r_io[ATA_CONTROL].res); 279 280 ata_pci_dmafini(dev); 281 } 282 else { 283 /* setup the usual register normal pci style */ 284 if (ata_pci_ch_detach(dev)) 285 return ENXIO; 286 } 287 288 return 0; 289 } 290 291 static void 292 ata_via_reset(device_t dev) 293 { 294 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 295 struct ata_channel *ch = device_get_softc(dev); 296 297 if ((ctlr->chip->cfg2 & VIABAR) && (ch->unit > 1)) 298 ata_generic_reset(dev); 299 else { 300 if (ata_sata_phy_reset(dev, -1, 1)) 301 ata_generic_reset(dev); 302 else 303 ch->devices = 0; 304 } 305 } 306 307 static int 308 ata_via_status(device_t dev) 309 { 310 311 ata_sata_phy_check_events(dev, -1); 312 return (ata_pci_status(dev)); 313 } 314 315 static int 316 ata_via_new_setmode(device_t dev, int target, int mode) 317 { 318 device_t parent = device_get_parent(dev); 319 struct ata_pci_controller *ctlr = device_get_softc(parent); 320 struct ata_channel *ch = device_get_softc(dev); 321 322 if ((ctlr->chip->cfg2 & VIABAR) && (ch->unit > 1)) { 323 int piomode; 324 static const uint8_t pio_timings[] = 325 { 0xa8, 0x65, 0x65, 0x32, 0x20 }; 326 static const uint8_t dma_timings[] = 327 { 0xee, 0xe8, 0xe6, 0xe4, 0xe2, 0xe1, 0xe0 }; 328 329 /* This chip can't do WDMA. */ 330 if (mode >= ATA_WDMA0 && mode < ATA_UDMA0) 331 mode = ATA_PIO4; 332 if (mode >= ATA_UDMA0) { 333 pci_write_config(parent, 0xb3, 334 dma_timings[mode & ATA_MODE_MASK], 1); 335 piomode = ATA_PIO4; 336 } else 337 piomode = mode; 338 pci_write_config(parent, 0xab, pio_timings[ata_mode2idx(piomode)], 1); 339 } else 340 mode = ata_sata_setmode(dev, target, mode); 341 return (mode); 342 } 343 344 static int 345 ata_via_old_setmode(device_t dev, int target, int mode) 346 { 347 device_t parent = device_get_parent(dev); 348 struct ata_pci_controller *ctlr = device_get_softc(parent); 349 struct ata_channel *ch = device_get_softc(dev); 350 int devno = (ch->unit << 1) + target; 351 int reg = 0x53 - devno; 352 int piomode; 353 static const uint8_t timings[] = 354 { 0xa8, 0x65, 0x42, 0x22, 0x20, 0xa8, 0x22, 0x20 }; 355 static const uint8_t modes[][7] = { 356 { 0xc2, 0xc1, 0xc0, 0x00, 0x00, 0x00, 0x00 }, /* VIA ATA33 */ 357 { 0xee, 0xec, 0xea, 0xe9, 0xe8, 0x00, 0x00 }, /* VIA ATA66 */ 358 { 0xf7, 0xf6, 0xf4, 0xf2, 0xf1, 0xf0, 0x00 }, /* VIA ATA100 */ 359 { 0xf7, 0xf7, 0xf6, 0xf4, 0xf2, 0xf1, 0xf0 } }; /* VIA ATA133 */ 360 361 mode = min(mode, ctlr->chip->max_dma); 362 /* Set UDMA timings */ 363 if (mode >= ATA_UDMA0) { 364 pci_write_config(parent, reg, 365 modes[ctlr->chip->cfg1][mode & ATA_MODE_MASK], 1); 366 piomode = ATA_PIO4; 367 } else { 368 pci_write_config(parent, reg, 0x8b, 1); 369 piomode = mode; 370 } 371 /* Set WDMA/PIO timings */ 372 pci_write_config(parent, reg - 0x08,timings[ata_mode2idx(piomode)], 1); 373 return (mode); 374 } 375 376 static void 377 ata_via_southbridge_fixup(device_t dev) 378 { 379 device_t *children; 380 int nchildren, i; 381 382 if (device_get_children(device_get_parent(dev), &children, &nchildren)) 383 return; 384 385 for (i = 0; i < nchildren; i++) { 386 if (pci_get_devid(children[i]) == ATA_VIA8363 || 387 pci_get_devid(children[i]) == ATA_VIA8371 || 388 pci_get_devid(children[i]) == ATA_VIA8662 || 389 pci_get_devid(children[i]) == ATA_VIA8361) { 390 u_int8_t reg76 = pci_read_config(children[i], 0x76, 1); 391 392 if ((reg76 & 0xf0) != 0xd0) { 393 device_printf(dev, 394 "Correcting VIA config for southbridge data corruption bug\n"); 395 pci_write_config(children[i], 0x75, 0x80, 1); 396 pci_write_config(children[i], 0x76, (reg76 & 0x0f) | 0xd0, 1); 397 } 398 break; 399 } 400 } 401 free(children, M_TEMP); 402 } 403 404 static int 405 ata_via_sata_ch_attach(device_t dev) 406 { 407 struct ata_channel *ch = device_get_softc(dev); 408 409 if (ata_pci_ch_attach(dev)) 410 return ENXIO; 411 if (ch->unit == 0) { 412 ch->hw.status = ata_via_sata_status; 413 ch->hw.pm_read = ata_via_sata_scr_read; 414 ch->hw.pm_write = ata_via_sata_scr_write; 415 ch->flags |= ATA_PERIODIC_POLL; 416 ch->flags |= ATA_SATA; 417 ata_sata_scr_write(ch, 0, ATA_SERROR, 0xffffffff); 418 ata_sata_scr_write(ch, 1, ATA_SERROR, 0xffffffff); 419 } 420 return (0); 421 } 422 423 static int 424 ata_via_sata_getrev(device_t dev, int target) 425 { 426 device_t parent = device_get_parent(dev); 427 struct ata_channel *ch = device_get_softc(dev); 428 429 if (ch->unit == 0) { 430 if (pci_read_config(parent, 0xa0 + target, 1) & 0x10) 431 return (2); 432 else 433 return (1); 434 } 435 return (0); 436 } 437 438 static int 439 ata_via_sata_setmode(device_t dev, int target, int mode) 440 { 441 struct ata_channel *ch = device_get_softc(dev); 442 443 if (ch->unit == 0) 444 return (mode); 445 return (ata_via_old_setmode(dev, target, mode)); 446 } 447 448 static void 449 ata_via_sata_reset(device_t dev) 450 { 451 struct ata_channel *ch = device_get_softc(dev); 452 int devs, count; 453 uint8_t status; 454 455 if (ch->unit == 0) { 456 devs = ata_sata_phy_reset(dev, 0, 0); 457 count = 0; 458 do { 459 ATA_IDX_OUTB(ch, ATA_DRIVE, ATA_D_IBM | ATA_D_LBA | 460 ATA_DEV(ATA_MASTER)); 461 DELAY(1000); 462 status = ATA_IDX_INB(ch, ATA_STATUS); 463 count++; 464 } while (status & ATA_S_BUSY && count < 100); 465 466 devs += ata_sata_phy_reset(dev, 1, 0); 467 count = 0; 468 do { 469 ATA_IDX_OUTB(ch, ATA_DRIVE, ATA_D_IBM | ATA_D_LBA | 470 ATA_DEV(ATA_SLAVE)); 471 DELAY(1000); 472 status = ATA_IDX_INB(ch, ATA_STATUS); 473 count++; 474 } while (status & ATA_S_BUSY && count < 100); 475 } else 476 devs = 1; 477 if (devs) 478 ata_generic_reset(dev); 479 else 480 ch->devices = 0; 481 } 482 483 static int 484 ata_via_sata_scr_read(device_t dev, int port, int reg, u_int32_t *result) 485 { 486 device_t parent; 487 uint32_t val; 488 489 parent = device_get_parent(dev); 490 port = (port == 1) ? 1 : 0; 491 switch (reg) { 492 case ATA_SSTATUS: 493 val = pci_read_config(parent, 0xa0 + port, 1); 494 *result = val & 0x03; 495 if (*result != ATA_SS_DET_NO_DEVICE) { 496 if (val & 0x04) 497 *result |= ATA_SS_IPM_PARTIAL; 498 else if (val & 0x08) 499 *result |= ATA_SS_IPM_SLUMBER; 500 else 501 *result |= ATA_SS_IPM_ACTIVE; 502 if (val & 0x10) 503 *result |= ATA_SS_SPD_GEN2; 504 else 505 *result |= ATA_SS_SPD_GEN1; 506 } 507 break; 508 case ATA_SERROR: 509 *result = pci_read_config(parent, 0xa8 + port * 4, 4); 510 break; 511 case ATA_SCONTROL: 512 val = pci_read_config(parent, 0xa4 + port, 1); 513 *result = 0; 514 if (val & 0x01) 515 *result |= ATA_SC_DET_RESET; 516 if (val & 0x02) 517 *result |= ATA_SC_DET_DISABLE; 518 if (val & 0x04) 519 *result |= ATA_SC_IPM_DIS_PARTIAL; 520 if (val & 0x08) 521 *result |= ATA_SC_IPM_DIS_SLUMBER; 522 break; 523 default: 524 return (EINVAL); 525 } 526 return (0); 527 } 528 529 static int 530 ata_via_sata_scr_write(device_t dev, int port, int reg, u_int32_t value) 531 { 532 device_t parent; 533 uint32_t val; 534 535 parent = device_get_parent(dev); 536 port = (port == 1) ? 1 : 0; 537 switch (reg) { 538 case ATA_SERROR: 539 pci_write_config(parent, 0xa8 + port * 4, value, 4); 540 break; 541 case ATA_SCONTROL: 542 val = 0; 543 if (value & ATA_SC_DET_RESET) 544 val |= 0x01; 545 if (value & ATA_SC_DET_DISABLE) 546 val |= 0x02; 547 if (value & ATA_SC_IPM_DIS_PARTIAL) 548 val |= 0x04; 549 if (value & ATA_SC_IPM_DIS_SLUMBER) 550 val |= 0x08; 551 pci_write_config(parent, 0xa4 + port, val, 1); 552 break; 553 default: 554 return (EINVAL); 555 } 556 return (0); 557 } 558 559 static int 560 ata_via_sata_status(device_t dev) 561 { 562 563 ata_sata_phy_check_events(dev, 0); 564 ata_sata_phy_check_events(dev, 1); 565 return (ata_pci_status(dev)); 566 } 567 568 ATA_DECLARE_DRIVER(ata_via);
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