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hptide.c revision 1.24.36.1
      1 /*	$NetBSD: hptide.c,v 1.24.36.1 2008/03/24 07:15:47 keiichi 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  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Manuel Bouyer.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: hptide.c,v 1.24.36.1 2008/03/24 07:15:47 keiichi Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 
     38 #include <dev/pci/pcivar.h>
     39 #include <dev/pci/pcidevs.h>
     40 #include <dev/pci/pciidereg.h>
     41 #include <dev/pci/pciidevar.h>
     42 #include <dev/pci/pciide_hpt_reg.h>
     43 
     44 static void hpt_chip_map(struct pciide_softc*, struct pci_attach_args*);
     45 static void hpt_setup_channel(struct ata_channel*);
     46 static int  hpt_pci_intr(void *);
     47 
     48 static int  hptide_match(device_t, cfdata_t, void *);
     49 static void hptide_attach(device_t, device_t, void *);
     50 
     51 CFATTACH_DECL_NEW(hptide, sizeof(struct pciide_softc),
     52     hptide_match, hptide_attach, NULL, NULL);
     53 
     54 static const struct pciide_product_desc pciide_triones_products[] =  {
     55 	{ PCI_PRODUCT_TRIONES_HPT302,
     56 	  0,
     57 	  NULL,
     58 	  hpt_chip_map
     59 	},
     60 	{ PCI_PRODUCT_TRIONES_HPT366,
     61 	  0,
     62 	  NULL,
     63 	  hpt_chip_map,
     64 	},
     65 	{ PCI_PRODUCT_TRIONES_HPT371,
     66 	  0,
     67 	  NULL,
     68 	  hpt_chip_map,
     69 	},
     70 	{ PCI_PRODUCT_TRIONES_HPT372A,
     71 	  0,
     72 	  NULL,
     73 	  hpt_chip_map
     74 	},
     75 	{ PCI_PRODUCT_TRIONES_HPT374,
     76 	  0,
     77 	  NULL,
     78 	  hpt_chip_map
     79 	},
     80 	{ 0,
     81 	  0,
     82 	  NULL,
     83 	  NULL
     84 	}
     85 };
     86 
     87 static int
     88 hptide_match(device_t parent, cfdata_t match, void *aux)
     89 {
     90 	struct pci_attach_args *pa = aux;
     91 
     92 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TRIONES) {
     93 		if (pciide_lookup_product(pa->pa_id, pciide_triones_products))
     94 			return (2);
     95 	}
     96 	return (0);
     97 }
     98 
     99 static void
    100 hptide_attach(device_t parent, device_t self, void *aux)
    101 {
    102 	struct pci_attach_args *pa = aux;
    103 	struct pciide_softc *sc = device_private(self);
    104 
    105 	sc->sc_wdcdev.sc_atac.atac_dev = self;
    106 
    107 	pciide_common_attach(sc, pa,
    108 	    pciide_lookup_product(pa->pa_id, pciide_triones_products));
    109 
    110 }
    111 
    112 static void
    113 hpt_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
    114 {
    115 	struct pciide_channel *cp;
    116 	int i, compatchan, revision;
    117 	pcireg_t interface;
    118 	bus_size_t cmdsize, ctlsize;
    119 
    120 	if (pciide_chipen(sc, pa) == 0)
    121 		return;
    122 
    123 	revision = PCI_REVISION(pa->pa_class);
    124 	aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev,
    125 	    "Triones/Highpoint ");
    126 	switch (sc->sc_pp->ide_product) {
    127 	case PCI_PRODUCT_TRIONES_HPT302:
    128 		aprint_normal("HPT302 IDE Controller\n");
    129 		break;
    130 	case PCI_PRODUCT_TRIONES_HPT371:
    131 		aprint_normal("HPT371 IDE Controller\n");
    132 		break;
    133 	case PCI_PRODUCT_TRIONES_HPT374:
    134 		aprint_normal("HPT374 IDE Controller\n");
    135 		break;
    136 	case PCI_PRODUCT_TRIONES_HPT372A:
    137 		aprint_normal("HPT372A IDE Controller\n");
    138 		break;
    139 	case PCI_PRODUCT_TRIONES_HPT366:
    140 		if (revision == HPT372_REV)
    141 			aprint_normal("HPT372 IDE Controller\n");
    142 		else if (revision == HPT370_REV)
    143 			aprint_normal("HPT370 IDE Controller\n");
    144 		else if (revision == HPT370A_REV)
    145 			aprint_normal("HPT370A IDE Controller\n");
    146 		else if (revision == HPT368_REV)
    147 			aprint_normal("HPT368 IDE Controller\n");
    148 		else if (revision == HPT366_REV)
    149 			aprint_normal("HPT366 IDE Controller\n");
    150 		else
    151 			aprint_normal("unknown HPT IDE controller rev %d\n",
    152 			    revision);
    153 		break;
    154 	default:
    155 		aprint_normal("unknown HPT IDE controller 0x%x\n",
    156 		    sc->sc_pp->ide_product);
    157 	}
    158 
    159 	/*
    160 	 * when the chip is in native mode it identifies itself as a
    161 	 * 'misc mass storage'. Fake interface in this case.
    162 	 */
    163 	if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
    164 		interface = PCI_INTERFACE(pa->pa_class);
    165 	} else {
    166 		interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
    167 		    PCIIDE_INTERFACE_PCI(0);
    168 		if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
    169 		    (revision == HPT368_REV || revision == HPT370_REV || revision == HPT370A_REV ||
    170 		     revision == HPT372_REV)) ||
    171 		    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 ||
    172 		    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 ||
    173 		    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A ||
    174 		    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
    175 			interface |= PCIIDE_INTERFACE_PCI(1);
    176 	}
    177 
    178 	aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev,
    179 	    "bus-master DMA support present");
    180 	pciide_mapreg_dma(sc, pa);
    181 	aprint_verbose("\n");
    182 	sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
    183 	if (sc->sc_dma_ok) {
    184 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA;
    185 		sc->sc_wdcdev.irqack = pciide_irqack;
    186 	}
    187 	sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
    188 	sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
    189 
    190 	sc->sc_wdcdev.sc_atac.atac_set_modes = hpt_setup_channel;
    191 	sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
    192 	if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
    193 	    (revision == HPT366_REV || revision == HPT368_REV)) {
    194 		sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
    195 		sc->sc_wdcdev.sc_atac.atac_udma_cap = 4;
    196 	} else {
    197 		sc->sc_wdcdev.sc_atac.atac_nchannels = 2;
    198 		if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374 ||
    199 		    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A ||
    200 		    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 ||
    201 		    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 ||
    202 		    (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
    203 		    revision == HPT372_REV))
    204 			sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
    205 		else
    206 			sc->sc_wdcdev.sc_atac.atac_udma_cap = 5;
    207 	}
    208 
    209 	wdc_allocate_regs(&sc->sc_wdcdev);
    210 
    211 	for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) {
    212 		cp = &sc->pciide_channels[i];
    213 		if (sc->sc_wdcdev.sc_atac.atac_nchannels > 1) {
    214 			compatchan = i;
    215 			if((pciide_pci_read(sc->sc_pc, sc->sc_tag,
    216 			   HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) {
    217 				aprint_normal(
    218 				    "%s: %s channel ignored (disabled)\n",
    219 				    device_xname(
    220 				      sc->sc_wdcdev.sc_atac.atac_dev),
    221 				    cp->name);
    222 				cp->ata_channel.ch_flags |= ATACH_DISABLED;
    223 				continue;
    224 			}
    225 		} else {
    226 			/*
    227 			 * The 366 has 2 PCI IDE functions, one for primary and
    228 			 * one for secondary. So we need to call
    229 			 * pciide_mapregs_compat() with the real channel.
    230 			 */
    231 			if (pa->pa_function == 0)
    232 				compatchan = 0;
    233 			else if (pa->pa_function == 1)
    234 				compatchan = 1;
    235 			else {
    236 				aprint_error_dev(
    237 				    sc->sc_wdcdev.sc_atac.atac_dev,
    238 				    "unexpected PCI function %d\n",
    239 				    pa->pa_function);
    240 				return;
    241 			}
    242 		}
    243 		if (pciide_chansetup(sc, i, interface) == 0)
    244 			continue;
    245 		if (interface & PCIIDE_INTERFACE_PCI(i)) {
    246 			pciide_mapregs_native(pa, cp, &cmdsize,
    247 			    &ctlsize, hpt_pci_intr);
    248 		} else {
    249 			pciide_mapregs_compat(pa, cp, compatchan,
    250 			    &cmdsize, &ctlsize);
    251 			if ((cp->ata_channel.ch_flags & ATACH_DISABLED) == 0)
    252 				pciide_map_compat_intr(pa, cp,
    253 				    sc->sc_cy_compatchan);
    254 		}
    255 		wdcattach(&cp->ata_channel);
    256 	}
    257 	if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
    258 	    (revision == HPT368_REV || revision == HPT370_REV || revision == HPT370A_REV ||
    259 	     revision == HPT372_REV)) ||
    260 	    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 ||
    261 	    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 ||
    262 	    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A ||
    263 	    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) {
    264 		/*
    265 		 * HPT370_REV and highter has a bit to disable interrupts,
    266 		 * make sure to clear it
    267 		 */
    268 		pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL,
    269 		    pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) &
    270 		    ~HPT_CSEL_IRQDIS);
    271 	}
    272 	/* set clocks, etc (mandatory on 372/4, optional otherwise) */
    273 	if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
    274 	     revision == HPT372_REV ) ||
    275 	    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 ||
    276 	    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 ||
    277 	    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A ||
    278 	    sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
    279 		pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_SC2,
    280 		    (pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_SC2) &
    281 		     HPT_SC2_MAEN) | HPT_SC2_OSC_EN);
    282 	return;
    283 }
    284 
    285 static void
    286 hpt_setup_channel(struct ata_channel *chp)
    287 {
    288 	struct ata_drive_datas *drvp;
    289 	int drive, s;
    290 	int cable;
    291 	u_int32_t before, after;
    292 	u_int32_t idedma_ctl;
    293 	struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
    294 	struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
    295 	int revision =
    296 	     PCI_REVISION(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
    297 	const u_int32_t *tim_pio, *tim_dma, *tim_udma;
    298 
    299 	cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL);
    300 
    301 	/* setup DMA if needed */
    302 	pciide_channel_dma_setup(cp);
    303 
    304 	idedma_ctl = 0;
    305 
    306 	/* select the timing arrays for the chip */
    307 	switch (sc->sc_pp->ide_product) {
    308 	case PCI_PRODUCT_TRIONES_HPT374:
    309 		tim_udma = hpt374_udma;
    310 		tim_dma = hpt374_dma;
    311 		tim_pio = hpt374_pio;
    312 		break;
    313 	case PCI_PRODUCT_TRIONES_HPT302:
    314 	case PCI_PRODUCT_TRIONES_HPT371:
    315 	case PCI_PRODUCT_TRIONES_HPT372A:
    316 		tim_udma = hpt372_udma;
    317 		tim_dma = hpt372_dma;
    318 		tim_pio = hpt372_pio;
    319 		break;
    320 	case PCI_PRODUCT_TRIONES_HPT366:
    321 	default:
    322 		switch (revision) {
    323 		case HPT372_REV:
    324 			tim_udma = hpt372_udma;
    325 			tim_dma = hpt372_dma;
    326 			tim_pio = hpt372_pio;
    327 			break;
    328 		case HPT370_REV:
    329 		case HPT370A_REV:
    330 			tim_udma = hpt370_udma;
    331 			tim_dma = hpt370_dma;
    332 			tim_pio = hpt370_pio;
    333 			break;
    334 		case HPT368_REV:
    335 		case HPT366_REV:
    336 		default:
    337 			tim_udma = hpt366_udma;
    338 			tim_dma = hpt366_dma;
    339 			tim_pio = hpt366_pio;
    340 			break;
    341 		}
    342 	}
    343 
    344 	/* Per drive settings */
    345 	for (drive = 0; drive < chp->ch_ndrive; drive++) {
    346 		drvp = &chp->ch_drive[drive];
    347 		/* If no drive, skip */
    348 		if ((drvp->drive_flags & DRIVE) == 0)
    349 			continue;
    350 		before = pci_conf_read(sc->sc_pc, sc->sc_tag,
    351 					HPT_IDETIM(chp->ch_channel, drive));
    352 
    353 		/* add timing values, setup DMA if needed */
    354 		if (drvp->drive_flags & DRIVE_UDMA) {
    355 			/* use Ultra/DMA */
    356 			s = splbio();
    357 			drvp->drive_flags &= ~DRIVE_DMA;
    358 			splx(s);
    359 			if ((cable & HPT_CSEL_CBLID(chp->ch_channel)) != 0 &&
    360 			    drvp->UDMA_mode > 2)
    361 				drvp->UDMA_mode = 2;
    362 			after = tim_udma[drvp->UDMA_mode];
    363 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    364 		} else if (drvp->drive_flags & DRIVE_DMA) {
    365 			/*
    366 			 * use Multiword DMA.
    367 			 * Timings will be used for both PIO and DMA, so adjust
    368 			 * DMA mode if needed
    369 			 */
    370 			if (drvp->PIO_mode >= 3 &&
    371 			    (drvp->DMA_mode + 2) > drvp->PIO_mode) {
    372 				drvp->DMA_mode = drvp->PIO_mode - 2;
    373 			}
    374 			after = tim_dma[drvp->DMA_mode];
    375 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    376 		} else {
    377 			/* PIO only */
    378 			after = tim_pio[drvp->PIO_mode];
    379 		}
    380 		pci_conf_write(sc->sc_pc, sc->sc_tag,
    381 		    HPT_IDETIM(chp->ch_channel, drive), after);
    382 		ATADEBUG_PRINT(("%s: bus speed register set to 0x%08x "
    383 		    "(BIOS 0x%08x)\n", device_xname(drvp->drv_softc),
    384 		    after, before), DEBUG_PROBE);
    385 	}
    386 	if (idedma_ctl != 0) {
    387 		/* Add software bits in status register */
    388 		bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0,
    389 		    idedma_ctl);
    390 	}
    391 }
    392 
    393 static int
    394 hpt_pci_intr(void *arg)
    395 {
    396 	struct pciide_softc *sc = arg;
    397 	struct pciide_channel *cp;
    398 	struct ata_channel *wdc_cp;
    399 	int rv = 0;
    400 	int dmastat, i, crv;
    401 
    402 	for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) {
    403 		cp = &sc->pciide_channels[i];
    404 		dmastat = bus_space_read_1(sc->sc_dma_iot,
    405 		    cp->dma_iohs[IDEDMA_CTL], 0);
    406 		if((dmastat & ( IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) !=
    407 		    IDEDMA_CTL_INTR)
    408 			continue;
    409 		wdc_cp = &cp->ata_channel;
    410 		crv = wdcintr(wdc_cp);
    411 		if (crv == 0) {
    412 			aprint_error("%s:%d: bogus intr\n",
    413 			    device_xname(sc->sc_wdcdev.sc_atac.atac_dev), i);
    414 			bus_space_write_1(sc->sc_dma_iot,
    415 			    cp->dma_iohs[IDEDMA_CTL], 0, dmastat);
    416 		} else
    417 			rv = 1;
    418 	}
    419 	return rv;
    420 }
    421