1 /* $NetBSD: hptide.c,v 1.27 2010/11/05 18:07:24 jakllsch Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2000, 2001 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 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: hptide.c,v 1.27 2010/11/05 18:07:24 jakllsch Exp $"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 33 #include <dev/pci/pcivar.h> 34 #include <dev/pci/pcidevs.h> 35 #include <dev/pci/pciidereg.h> 36 #include <dev/pci/pciidevar.h> 37 #include <dev/pci/pciide_hpt_reg.h> 38 39 static void hpt_chip_map(struct pciide_softc*, struct pci_attach_args*); 40 static void hpt_setup_channel(struct ata_channel*); 41 static int hpt_pci_intr(void *); 42 43 static int hptide_match(device_t, cfdata_t, void *); 44 static void hptide_attach(device_t, device_t, void *); 45 46 CFATTACH_DECL_NEW(hptide, sizeof(struct pciide_softc), 47 hptide_match, hptide_attach, NULL, NULL); 48 49 static const struct pciide_product_desc pciide_triones_products[] = { 50 { PCI_PRODUCT_TRIONES_HPT302, 51 0, 52 NULL, 53 hpt_chip_map 54 }, 55 { PCI_PRODUCT_TRIONES_HPT366, 56 0, 57 NULL, 58 hpt_chip_map, 59 }, 60 { PCI_PRODUCT_TRIONES_HPT371, 61 0, 62 NULL, 63 hpt_chip_map, 64 }, 65 { PCI_PRODUCT_TRIONES_HPT372A, 66 0, 67 NULL, 68 hpt_chip_map 69 }, 70 { PCI_PRODUCT_TRIONES_HPT374, 71 0, 72 NULL, 73 hpt_chip_map 74 }, 75 { 0, 76 0, 77 NULL, 78 NULL 79 } 80 }; 81 82 static int 83 hptide_match(device_t parent, cfdata_t match, void *aux) 84 { 85 struct pci_attach_args *pa = aux; 86 87 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TRIONES) { 88 if (pciide_lookup_product(pa->pa_id, pciide_triones_products)) 89 return (2); 90 } 91 return (0); 92 } 93 94 static void 95 hptide_attach(device_t parent, device_t self, void *aux) 96 { 97 struct pci_attach_args *pa = aux; 98 struct pciide_softc *sc = device_private(self); 99 100 sc->sc_wdcdev.sc_atac.atac_dev = self; 101 102 pciide_common_attach(sc, pa, 103 pciide_lookup_product(pa->pa_id, pciide_triones_products)); 104 105 } 106 107 static void 108 hpt_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) 109 { 110 struct pciide_channel *cp; 111 int i, compatchan, revision; 112 pcireg_t interface; 113 114 if (pciide_chipen(sc, pa) == 0) 115 return; 116 117 revision = PCI_REVISION(pa->pa_class); 118 aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev, 119 "Triones/Highpoint "); 120 switch (sc->sc_pp->ide_product) { 121 case PCI_PRODUCT_TRIONES_HPT302: 122 aprint_normal("HPT302 IDE Controller\n"); 123 break; 124 case PCI_PRODUCT_TRIONES_HPT371: 125 aprint_normal("HPT371 IDE Controller\n"); 126 break; 127 case PCI_PRODUCT_TRIONES_HPT374: 128 aprint_normal("HPT374 IDE Controller\n"); 129 break; 130 case PCI_PRODUCT_TRIONES_HPT372A: 131 aprint_normal("HPT372A IDE Controller\n"); 132 break; 133 case PCI_PRODUCT_TRIONES_HPT366: 134 if (revision == HPT372_REV) 135 aprint_normal("HPT372 IDE Controller\n"); 136 else if (revision == HPT370_REV) 137 aprint_normal("HPT370 IDE Controller\n"); 138 else if (revision == HPT370A_REV) 139 aprint_normal("HPT370A IDE Controller\n"); 140 else if (revision == HPT368_REV) 141 aprint_normal("HPT368 IDE Controller\n"); 142 else if (revision == HPT366_REV) 143 aprint_normal("HPT366 IDE Controller\n"); 144 else 145 aprint_normal("unknown HPT IDE controller rev %d\n", 146 revision); 147 break; 148 default: 149 aprint_normal("unknown HPT IDE controller 0x%x\n", 150 sc->sc_pp->ide_product); 151 } 152 153 /* 154 * when the chip is in native mode it identifies itself as a 155 * 'misc mass storage'. Fake interface in this case. 156 */ 157 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 158 interface = PCI_INTERFACE(pa->pa_class); 159 } else { 160 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 161 PCIIDE_INTERFACE_PCI(0); 162 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 163 (revision == HPT368_REV || revision == HPT370_REV || revision == HPT370A_REV || 164 revision == HPT372_REV)) || 165 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 || 166 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 || 167 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A || 168 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) 169 interface |= PCIIDE_INTERFACE_PCI(1); 170 } 171 172 aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, 173 "bus-master DMA support present"); 174 pciide_mapreg_dma(sc, pa); 175 aprint_verbose("\n"); 176 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 177 if (sc->sc_dma_ok) { 178 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA; 179 sc->sc_wdcdev.irqack = pciide_irqack; 180 } 181 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 182 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 183 184 sc->sc_wdcdev.sc_atac.atac_set_modes = hpt_setup_channel; 185 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 186 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 187 (revision == HPT366_REV || revision == HPT368_REV)) { 188 sc->sc_wdcdev.sc_atac.atac_nchannels = 1; 189 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; 190 } else { 191 sc->sc_wdcdev.sc_atac.atac_nchannels = 2; 192 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374 || 193 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A || 194 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 || 195 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 || 196 (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 197 revision == HPT372_REV)) 198 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 199 else 200 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 201 } 202 203 wdc_allocate_regs(&sc->sc_wdcdev); 204 205 for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) { 206 cp = &sc->pciide_channels[i]; 207 if (sc->sc_wdcdev.sc_atac.atac_nchannels > 1) { 208 compatchan = i; 209 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 210 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 211 aprint_normal( 212 "%s: %s channel ignored (disabled)\n", 213 device_xname( 214 sc->sc_wdcdev.sc_atac.atac_dev), 215 cp->name); 216 cp->ata_channel.ch_flags |= ATACH_DISABLED; 217 continue; 218 } 219 } else { 220 /* 221 * The 366 has 2 PCI IDE functions, one for primary and 222 * one for secondary. So we need to call 223 * pciide_mapregs_compat() with the real channel. 224 */ 225 if (pa->pa_function == 0) 226 compatchan = 0; 227 else if (pa->pa_function == 1) 228 compatchan = 1; 229 else { 230 aprint_error_dev( 231 sc->sc_wdcdev.sc_atac.atac_dev, 232 "unexpected PCI function %d\n", 233 pa->pa_function); 234 return; 235 } 236 } 237 if (pciide_chansetup(sc, i, interface) == 0) 238 continue; 239 if (interface & PCIIDE_INTERFACE_PCI(i)) { 240 pciide_mapregs_native(pa, cp, hpt_pci_intr); 241 } else { 242 pciide_mapregs_compat(pa, cp, compatchan); 243 if ((cp->ata_channel.ch_flags & ATACH_DISABLED) == 0) 244 pciide_map_compat_intr(pa, cp, 245 sc->sc_cy_compatchan); 246 } 247 wdcattach(&cp->ata_channel); 248 } 249 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 250 (revision == HPT368_REV || revision == HPT370_REV || revision == HPT370A_REV || 251 revision == HPT372_REV)) || 252 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 || 253 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 || 254 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A || 255 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) { 256 /* 257 * HPT370_REV and highter has a bit to disable interrupts, 258 * make sure to clear it 259 */ 260 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, 261 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & 262 ~HPT_CSEL_IRQDIS); 263 } 264 /* set clocks, etc (mandatory on 372/4, optional otherwise) */ 265 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 266 revision == HPT372_REV ) || 267 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 || 268 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 || 269 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A || 270 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) 271 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_SC2, 272 (pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_SC2) & 273 HPT_SC2_MAEN) | HPT_SC2_OSC_EN); 274 return; 275 } 276 277 static void 278 hpt_setup_channel(struct ata_channel *chp) 279 { 280 struct ata_drive_datas *drvp; 281 int drive, s; 282 int cable; 283 u_int32_t before, after; 284 u_int32_t idedma_ctl; 285 struct pciide_channel *cp = CHAN_TO_PCHAN(chp); 286 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); 287 int revision = 288 PCI_REVISION(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 289 const u_int32_t *tim_pio, *tim_dma, *tim_udma; 290 291 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 292 293 /* setup DMA if needed */ 294 pciide_channel_dma_setup(cp); 295 296 idedma_ctl = 0; 297 298 /* select the timing arrays for the chip */ 299 switch (sc->sc_pp->ide_product) { 300 case PCI_PRODUCT_TRIONES_HPT374: 301 tim_udma = hpt374_udma; 302 tim_dma = hpt374_dma; 303 tim_pio = hpt374_pio; 304 break; 305 case PCI_PRODUCT_TRIONES_HPT302: 306 case PCI_PRODUCT_TRIONES_HPT371: 307 case PCI_PRODUCT_TRIONES_HPT372A: 308 tim_udma = hpt372_udma; 309 tim_dma = hpt372_dma; 310 tim_pio = hpt372_pio; 311 break; 312 case PCI_PRODUCT_TRIONES_HPT366: 313 default: 314 switch (revision) { 315 case HPT372_REV: 316 tim_udma = hpt372_udma; 317 tim_dma = hpt372_dma; 318 tim_pio = hpt372_pio; 319 break; 320 case HPT370_REV: 321 case HPT370A_REV: 322 tim_udma = hpt370_udma; 323 tim_dma = hpt370_dma; 324 tim_pio = hpt370_pio; 325 break; 326 case HPT368_REV: 327 case HPT366_REV: 328 default: 329 tim_udma = hpt366_udma; 330 tim_dma = hpt366_dma; 331 tim_pio = hpt366_pio; 332 break; 333 } 334 } 335 336 /* Per drive settings */ 337 for (drive = 0; drive < chp->ch_ndrive; drive++) { 338 drvp = &chp->ch_drive[drive]; 339 /* If no drive, skip */ 340 if ((drvp->drive_flags & DRIVE) == 0) 341 continue; 342 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 343 HPT_IDETIM(chp->ch_channel, drive)); 344 345 /* add timing values, setup DMA if needed */ 346 if (drvp->drive_flags & DRIVE_UDMA) { 347 /* use Ultra/DMA */ 348 s = splbio(); 349 drvp->drive_flags &= ~DRIVE_DMA; 350 splx(s); 351 if ((cable & HPT_CSEL_CBLID(chp->ch_channel)) != 0 && 352 drvp->UDMA_mode > 2) 353 drvp->UDMA_mode = 2; 354 after = tim_udma[drvp->UDMA_mode]; 355 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 356 } else if (drvp->drive_flags & DRIVE_DMA) { 357 /* 358 * use Multiword DMA. 359 * Timings will be used for both PIO and DMA, so adjust 360 * DMA mode if needed 361 */ 362 if (drvp->PIO_mode >= 3 && 363 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 364 drvp->DMA_mode = drvp->PIO_mode - 2; 365 } 366 after = tim_dma[drvp->DMA_mode]; 367 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 368 } else { 369 /* PIO only */ 370 after = tim_pio[drvp->PIO_mode]; 371 } 372 pci_conf_write(sc->sc_pc, sc->sc_tag, 373 HPT_IDETIM(chp->ch_channel, drive), after); 374 ATADEBUG_PRINT(("%s: bus speed register set to 0x%08x " 375 "(BIOS 0x%08x)\n", device_xname(drvp->drv_softc), 376 after, before), DEBUG_PROBE); 377 } 378 if (idedma_ctl != 0) { 379 /* Add software bits in status register */ 380 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, 381 idedma_ctl); 382 } 383 } 384 385 static int 386 hpt_pci_intr(void *arg) 387 { 388 struct pciide_softc *sc = arg; 389 struct pciide_channel *cp; 390 struct ata_channel *wdc_cp; 391 int rv = 0; 392 int dmastat, i, crv; 393 394 for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) { 395 cp = &sc->pciide_channels[i]; 396 dmastat = bus_space_read_1(sc->sc_dma_iot, 397 cp->dma_iohs[IDEDMA_CTL], 0); 398 if((dmastat & ( IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) != 399 IDEDMA_CTL_INTR) 400 continue; 401 wdc_cp = &cp->ata_channel; 402 crv = wdcintr(wdc_cp); 403 if (crv == 0) { 404 aprint_error("%s:%d: bogus intr\n", 405 device_xname(sc->sc_wdcdev.sc_atac.atac_dev), i); 406 bus_space_write_1(sc->sc_dma_iot, 407 cp->dma_iohs[IDEDMA_CTL], 0, dmastat); 408 } else 409 rv = 1; 410 } 411 return rv; 412 } 413