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siside.c revision 1.6
      1 /*	$NetBSD: siside.c,v 1.6 2004/04/22 11:30:04 skd 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/param.h>
     33 #include <sys/systm.h>
     34 
     35 #include <dev/pci/pcivar.h>
     36 #include <dev/pci/pcidevs.h>
     37 #include <dev/pci/pciidereg.h>
     38 #include <dev/pci/pciidevar.h>
     39 #include <dev/pci/pciide_sis_reg.h>
     40 
     41 static void sis_chip_map(struct pciide_softc *, struct pci_attach_args *);
     42 static void sis_sata_chip_map(struct pciide_softc *, struct pci_attach_args *);
     43 static void sis_setup_channel(struct wdc_channel *);
     44 static void sis96x_setup_channel(struct wdc_channel *);
     45 
     46 static int  sis_hostbr_match(struct pci_attach_args *);
     47 static int  sis_south_match(struct pci_attach_args *);
     48 
     49 static int  siside_match(struct device *, struct cfdata *, void *);
     50 static void siside_attach(struct device *, struct device *, void *);
     51 
     52 CFATTACH_DECL(siside, sizeof(struct pciide_softc),
     53     siside_match, siside_attach, NULL, NULL);
     54 
     55 static const struct pciide_product_desc pciide_sis_products[] =  {
     56 	{ PCI_PRODUCT_SIS_5597_IDE,
     57 	  0,
     58 	  NULL,
     59 	  sis_chip_map,
     60 	},
     61 	{ PCI_PRODUCT_SIS_180_SATA,
     62 	  0,
     63 	  NULL,
     64 	  sis_sata_chip_map,
     65 	},
     66 	{ 0,
     67 	  0,
     68 	  NULL,
     69 	  NULL
     70 	}
     71 };
     72 
     73 static int
     74 siside_match(struct device *parent, struct cfdata *match, void *aux)
     75 {
     76 	struct pci_attach_args *pa = aux;
     77 
     78 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS) {
     79 		if (pciide_lookup_product(pa->pa_id, pciide_sis_products))
     80 			return (2);
     81 	}
     82 	return (0);
     83 }
     84 
     85 static void
     86 siside_attach(struct device *parent, struct device *self, void *aux)
     87 {
     88 	struct pci_attach_args *pa = aux;
     89 	struct pciide_softc *sc = (struct pciide_softc *)self;
     90 
     91 	pciide_common_attach(sc, pa,
     92 	    pciide_lookup_product(pa->pa_id, pciide_sis_products));
     93 
     94 }
     95 
     96 static struct sis_hostbr_type {
     97 	u_int16_t id;
     98 	u_int8_t rev;
     99 	u_int8_t udma_mode;
    100 	char *name;
    101 	u_int8_t type;
    102 #define SIS_TYPE_NOUDMA	0
    103 #define SIS_TYPE_66	1
    104 #define SIS_TYPE_100OLD	2
    105 #define SIS_TYPE_100NEW 3
    106 #define SIS_TYPE_133OLD 4
    107 #define SIS_TYPE_133NEW 5
    108 #define SIS_TYPE_SOUTH	6
    109 } sis_hostbr_type[] = {
    110 	/* Most infos here are from sos (at) freebsd.org */
    111 	{PCI_PRODUCT_SIS_530HB, 0x00, 4, "530", SIS_TYPE_66},
    112 #if 0
    113 	/*
    114 	 * controllers associated to a rev 0x2 530 Host to PCI Bridge
    115 	 * have problems with UDMA (info provided by Christos)
    116 	 */
    117 	{PCI_PRODUCT_SIS_530HB, 0x02, 0, "530 (buggy)", SIS_TYPE_NOUDMA},
    118 #endif
    119 	{PCI_PRODUCT_SIS_540HB, 0x00, 4, "540", SIS_TYPE_66},
    120 	{PCI_PRODUCT_SIS_550HB, 0x00, 4, "550", SIS_TYPE_66},
    121 	{PCI_PRODUCT_SIS_620,   0x00, 4, "620", SIS_TYPE_66},
    122 	{PCI_PRODUCT_SIS_630,   0x00, 4, "630", SIS_TYPE_66},
    123 	{PCI_PRODUCT_SIS_630,   0x30, 5, "630S", SIS_TYPE_100NEW},
    124 	{PCI_PRODUCT_SIS_633,   0x00, 5, "633", SIS_TYPE_100NEW},
    125 	{PCI_PRODUCT_SIS_635,   0x00, 5, "635", SIS_TYPE_100NEW},
    126 	{PCI_PRODUCT_SIS_640,   0x00, 4, "640", SIS_TYPE_SOUTH},
    127 	{PCI_PRODUCT_SIS_645,   0x00, 6, "645", SIS_TYPE_SOUTH},
    128 	{PCI_PRODUCT_SIS_646,   0x00, 6, "645DX", SIS_TYPE_SOUTH},
    129 	{PCI_PRODUCT_SIS_648,   0x00, 6, "648", SIS_TYPE_SOUTH},
    130 	{PCI_PRODUCT_SIS_650,   0x00, 6, "650", SIS_TYPE_SOUTH},
    131 	{PCI_PRODUCT_SIS_651,   0x00, 6, "651", SIS_TYPE_SOUTH},
    132 	{PCI_PRODUCT_SIS_652,   0x00, 6, "652", SIS_TYPE_SOUTH},
    133 	{PCI_PRODUCT_SIS_655,   0x00, 6, "655", SIS_TYPE_SOUTH},
    134 	{PCI_PRODUCT_SIS_658,   0x00, 6, "658", SIS_TYPE_SOUTH},
    135 	{PCI_PRODUCT_SIS_730,   0x00, 5, "730", SIS_TYPE_100OLD},
    136 	{PCI_PRODUCT_SIS_733,   0x00, 5, "733", SIS_TYPE_100NEW},
    137 	{PCI_PRODUCT_SIS_735,   0x00, 5, "735", SIS_TYPE_100NEW},
    138 	{PCI_PRODUCT_SIS_740,   0x00, 5, "740", SIS_TYPE_SOUTH},
    139 	{PCI_PRODUCT_SIS_745,   0x00, 5, "745", SIS_TYPE_100NEW},
    140 	{PCI_PRODUCT_SIS_746,   0x00, 6, "746", SIS_TYPE_SOUTH},
    141 	{PCI_PRODUCT_SIS_748,   0x00, 6, "748", SIS_TYPE_SOUTH},
    142 	{PCI_PRODUCT_SIS_750,   0x00, 6, "750", SIS_TYPE_SOUTH},
    143 	{PCI_PRODUCT_SIS_751,   0x00, 6, "751", SIS_TYPE_SOUTH},
    144 	{PCI_PRODUCT_SIS_752,   0x00, 6, "752", SIS_TYPE_SOUTH},
    145 	{PCI_PRODUCT_SIS_755,   0x00, 6, "755", SIS_TYPE_SOUTH},
    146 	/*
    147 	 * From sos (at) freebsd.org: the 0x961 ID will never be found in real world
    148 	 * {PCI_PRODUCT_SIS_961,   0x00, 6, "961", SIS_TYPE_133NEW},
    149 	 */
    150 	{PCI_PRODUCT_SIS_962,   0x00, 6, "962", SIS_TYPE_133NEW},
    151 	{PCI_PRODUCT_SIS_963,   0x00, 6, "963", SIS_TYPE_133NEW},
    152 	{PCI_PRODUCT_SIS_964,   0x00, 6, "964", SIS_TYPE_133NEW},
    153 };
    154 
    155 static struct sis_hostbr_type *sis_hostbr_type_match;
    156 
    157 static int
    158 sis_hostbr_match(struct pci_attach_args *pa)
    159 {
    160 	int i;
    161 
    162 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_SIS)
    163 		return 0;
    164 	sis_hostbr_type_match = NULL;
    165 	for (i = 0;
    166 	    i < sizeof(sis_hostbr_type) / sizeof(sis_hostbr_type[0]);
    167 	    i++) {
    168 		if (PCI_PRODUCT(pa->pa_id) == sis_hostbr_type[i].id &&
    169 		    PCI_REVISION(pa->pa_class) >= sis_hostbr_type[i].rev)
    170 			sis_hostbr_type_match = &sis_hostbr_type[i];
    171 	}
    172 	return (sis_hostbr_type_match != NULL);
    173 }
    174 
    175 static int
    176 sis_south_match(struct pci_attach_args *pa)
    177 {
    178 
    179 	return (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS &&
    180 		PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SIS_85C503 &&
    181 		PCI_REVISION(pa->pa_class) >= 0x10);
    182 }
    183 
    184 static void
    185 sis_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
    186 {
    187 	struct pciide_channel *cp;
    188 	int channel;
    189 	u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0);
    190 	pcireg_t interface = PCI_INTERFACE(pa->pa_class);
    191 	pcireg_t rev = PCI_REVISION(pa->pa_class);
    192 	bus_size_t cmdsize, ctlsize;
    193 
    194 	if (pciide_chipen(sc, pa) == 0)
    195 		return;
    196 
    197 	aprint_normal("%s: Silicon Integrated Systems ",
    198 	    sc->sc_wdcdev.sc_dev.dv_xname);
    199 	pci_find_device(NULL, sis_hostbr_match);
    200 	if (sis_hostbr_type_match) {
    201 		if (sis_hostbr_type_match->type == SIS_TYPE_SOUTH) {
    202 			pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_57,
    203 			    pciide_pci_read(sc->sc_pc, sc->sc_tag,
    204 			    SIS_REG_57) & 0x7f);
    205 			if (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag,
    206 			    PCI_ID_REG)) == SIS_PRODUCT_5518) {
    207 				aprint_normal("96X UDMA%d",
    208 				    sis_hostbr_type_match->udma_mode);
    209 				sc->sis_type = SIS_TYPE_133NEW;
    210 				sc->sc_wdcdev.UDMA_cap =
    211 			    	    sis_hostbr_type_match->udma_mode;
    212 			} else {
    213 				if (pci_find_device(NULL, sis_south_match)) {
    214 					sc->sis_type = SIS_TYPE_133OLD;
    215 					sc->sc_wdcdev.UDMA_cap =
    216 				    	    sis_hostbr_type_match->udma_mode;
    217 				} else {
    218 					sc->sis_type = SIS_TYPE_100NEW;
    219 					sc->sc_wdcdev.UDMA_cap =
    220 					    sis_hostbr_type_match->udma_mode;
    221 				}
    222 			}
    223 		} else {
    224 			sc->sis_type = sis_hostbr_type_match->type;
    225 			sc->sc_wdcdev.UDMA_cap =
    226 		    	    sis_hostbr_type_match->udma_mode;
    227 		}
    228 		aprint_normal(sis_hostbr_type_match->name);
    229 	} else {
    230 		aprint_normal("5597/5598");
    231 		if (rev >= 0xd0) {
    232 			sc->sc_wdcdev.UDMA_cap = 2;
    233 			sc->sis_type = SIS_TYPE_66;
    234 		} else {
    235 			sc->sc_wdcdev.UDMA_cap = 0;
    236 			sc->sis_type = SIS_TYPE_NOUDMA;
    237 		}
    238 	}
    239 	aprint_normal(" IDE controller (rev. 0x%02x)\n",
    240 	    PCI_REVISION(pa->pa_class));
    241 	aprint_normal("%s: bus-master DMA support present",
    242 	    sc->sc_wdcdev.sc_dev.dv_xname);
    243 	pciide_mapreg_dma(sc, pa);
    244 	aprint_normal("\n");
    245 
    246 	sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
    247 	    WDC_CAPABILITY_MODE;
    248 	if (sc->sc_dma_ok) {
    249 		sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
    250 		sc->sc_wdcdev.irqack = pciide_irqack;
    251 		if (sc->sis_type >= SIS_TYPE_66)
    252 			sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
    253 	}
    254 
    255 	sc->sc_wdcdev.PIO_cap = 4;
    256 	sc->sc_wdcdev.DMA_cap = 2;
    257 
    258 	sc->sc_wdcdev.channels = sc->wdc_chanarray;
    259 	sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
    260 	switch(sc->sis_type) {
    261 	case SIS_TYPE_NOUDMA:
    262 	case SIS_TYPE_66:
    263 	case SIS_TYPE_100OLD:
    264 		sc->sc_wdcdev.set_modes = sis_setup_channel;
    265 		pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC,
    266 		    pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) |
    267 		    SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE | SIS_MISC_GTC);
    268 		break;
    269 	case SIS_TYPE_100NEW:
    270 	case SIS_TYPE_133OLD:
    271 		sc->sc_wdcdev.set_modes = sis_setup_channel;
    272 		pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_49,
    273 		    pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_49) | 0x01);
    274 		break;
    275 	case SIS_TYPE_133NEW:
    276 		sc->sc_wdcdev.set_modes = sis96x_setup_channel;
    277 		pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_50,
    278 		    pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_50) & 0xf7);
    279 		pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_52,
    280 		    pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_52) & 0xf7);
    281 		break;
    282 	}
    283 
    284 
    285 	for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
    286 		cp = &sc->pciide_channels[channel];
    287 		if (pciide_chansetup(sc, channel, interface) == 0)
    288 			continue;
    289 		if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) ||
    290 		    (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) {
    291 			aprint_normal("%s: %s channel ignored (disabled)\n",
    292 			    sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
    293 			cp->wdc_channel.ch_flags |= WDCF_DISABLED;
    294 			continue;
    295 		}
    296 		pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
    297 		    pciide_pci_intr);
    298 	}
    299 }
    300 
    301 static void
    302 sis96x_setup_channel(struct wdc_channel *chp)
    303 {
    304 	struct ata_drive_datas *drvp;
    305 	int drive;
    306 	u_int32_t sis_tim;
    307 	u_int32_t idedma_ctl;
    308 	int regtim;
    309 	struct pciide_channel *cp = (struct pciide_channel*)chp;
    310 	struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.ch_wdc;
    311 
    312 	sis_tim = 0;
    313 	idedma_ctl = 0;
    314 	/* setup DMA if needed */
    315 	pciide_channel_dma_setup(cp);
    316 
    317 	for (drive = 0; drive < 2; drive++) {
    318 		regtim = SIS_TIM133(
    319 		    pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_57),
    320 		    chp->ch_channel, drive);
    321 		drvp = &chp->ch_drive[drive];
    322 		/* If no drive, skip */
    323 		if ((drvp->drive_flags & DRIVE) == 0)
    324 			continue;
    325 		/* add timing values, setup DMA if needed */
    326 		if (drvp->drive_flags & DRIVE_UDMA) {
    327 			/* use Ultra/DMA */
    328 			drvp->drive_flags &= ~DRIVE_DMA;
    329 			if (pciide_pci_read(sc->sc_pc, sc->sc_tag,
    330 			    SIS96x_REG_CBL(chp->ch_channel)) & SIS96x_REG_CBL_33) {
    331 				if (drvp->UDMA_mode > 2)
    332 					drvp->UDMA_mode = 2;
    333 			}
    334 			sis_tim |= sis_udma133new_tim[drvp->UDMA_mode];
    335 			sis_tim |= sis_pio133new_tim[drvp->PIO_mode];
    336 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    337 		} else if (drvp->drive_flags & DRIVE_DMA) {
    338 			/*
    339 			 * use Multiword DMA
    340 			 * Timings will be used for both PIO and DMA,
    341 			 * so adjust DMA mode if needed
    342 			 */
    343 			if (drvp->PIO_mode > (drvp->DMA_mode + 2))
    344 				drvp->PIO_mode = drvp->DMA_mode + 2;
    345 			if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
    346 				drvp->DMA_mode = (drvp->PIO_mode > 2) ?
    347 				    drvp->PIO_mode - 2 : 0;
    348 			sis_tim |= sis_dma133new_tim[drvp->DMA_mode];
    349 			idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    350 		} else {
    351 			sis_tim |= sis_pio133new_tim[drvp->PIO_mode];
    352 		}
    353 		WDCDEBUG_PRINT(("sis96x_setup_channel: new timings reg for "
    354 		    "channel %d drive %d: 0x%x (reg 0x%x)\n",
    355 		    chp->ch_channel, drive, sis_tim, regtim), DEBUG_PROBE);
    356 		pci_conf_write(sc->sc_pc, sc->sc_tag, regtim, sis_tim);
    357 	}
    358 	if (idedma_ctl != 0) {
    359 		/* Add software bits in status register */
    360 		bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0,
    361 		    idedma_ctl);
    362 	}
    363 }
    364 
    365 static void
    366 sis_setup_channel(struct wdc_channel *chp)
    367 {
    368 	struct ata_drive_datas *drvp;
    369 	int drive;
    370 	u_int32_t sis_tim;
    371 	u_int32_t idedma_ctl;
    372 	struct pciide_channel *cp = (struct pciide_channel*)chp;
    373 	struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.ch_wdc;
    374 
    375 	WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for "
    376 	    "channel %d 0x%x\n", chp->ch_channel,
    377 	    pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->ch_channel))),
    378 	    DEBUG_PROBE);
    379 	sis_tim = 0;
    380 	idedma_ctl = 0;
    381 	/* setup DMA if needed */
    382 	pciide_channel_dma_setup(cp);
    383 
    384 	for (drive = 0; drive < 2; drive++) {
    385 		drvp = &chp->ch_drive[drive];
    386 		/* If no drive, skip */
    387 		if ((drvp->drive_flags & DRIVE) == 0)
    388 			continue;
    389 		/* add timing values, setup DMA if needed */
    390 		if ((drvp->drive_flags & DRIVE_DMA) == 0 &&
    391 		    (drvp->drive_flags & DRIVE_UDMA) == 0)
    392 			goto pio;
    393 
    394 		if (drvp->drive_flags & DRIVE_UDMA) {
    395 			/* use Ultra/DMA */
    396 			drvp->drive_flags &= ~DRIVE_DMA;
    397 			if (pciide_pci_read(sc->sc_pc, sc->sc_tag,
    398 			    SIS_REG_CBL) & SIS_REG_CBL_33(chp->ch_channel)) {
    399 				if (drvp->UDMA_mode > 2)
    400 					drvp->UDMA_mode = 2;
    401 			}
    402 			switch (sc->sis_type) {
    403 			case SIS_TYPE_66:
    404 			case SIS_TYPE_100OLD:
    405 				sis_tim |= sis_udma66_tim[drvp->UDMA_mode] <<
    406 				    SIS_TIM66_UDMA_TIME_OFF(drive);
    407 				break;
    408 			case SIS_TYPE_100NEW:
    409 				sis_tim |=
    410 				    sis_udma100new_tim[drvp->UDMA_mode] <<
    411 				    SIS_TIM100_UDMA_TIME_OFF(drive);
    412 			case SIS_TYPE_133OLD:
    413 				sis_tim |=
    414 				    sis_udma133old_tim[drvp->UDMA_mode] <<
    415 				    SIS_TIM100_UDMA_TIME_OFF(drive);
    416 				break;
    417 			default:
    418 				aprint_error("unknown SiS IDE type %d\n",
    419 				    sc->sis_type);
    420 			}
    421 		} else {
    422 			/*
    423 			 * use Multiword DMA
    424 			 * Timings will be used for both PIO and DMA,
    425 			 * so adjust DMA mode if needed
    426 			 */
    427 			if (drvp->PIO_mode > (drvp->DMA_mode + 2))
    428 				drvp->PIO_mode = drvp->DMA_mode + 2;
    429 			if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
    430 				drvp->DMA_mode = (drvp->PIO_mode > 2) ?
    431 				    drvp->PIO_mode - 2 : 0;
    432 			if (drvp->DMA_mode == 0)
    433 				drvp->PIO_mode = 0;
    434 		}
    435 		idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
    436 pio:		switch (sc->sis_type) {
    437 		case SIS_TYPE_NOUDMA:
    438 		case SIS_TYPE_66:
    439 		case SIS_TYPE_100OLD:
    440 			sis_tim |= sis_pio_act[drvp->PIO_mode] <<
    441 			    SIS_TIM66_ACT_OFF(drive);
    442 			sis_tim |= sis_pio_rec[drvp->PIO_mode] <<
    443 			    SIS_TIM66_REC_OFF(drive);
    444 			break;
    445 		case SIS_TYPE_100NEW:
    446 		case SIS_TYPE_133OLD:
    447 			sis_tim |= sis_pio_act[drvp->PIO_mode] <<
    448 			    SIS_TIM100_ACT_OFF(drive);
    449 			sis_tim |= sis_pio_rec[drvp->PIO_mode] <<
    450 			    SIS_TIM100_REC_OFF(drive);
    451 			break;
    452 		default:
    453 			aprint_error("unknown SiS IDE type %d\n",
    454 			    sc->sis_type);
    455 		}
    456 	}
    457 	WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for "
    458 	    "channel %d 0x%x\n", chp->ch_channel, sis_tim), DEBUG_PROBE);
    459 	pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->ch_channel),
    460 		       sis_tim);
    461 	if (idedma_ctl != 0) {
    462 		/* Add software bits in status register */
    463 		bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0,
    464 		    idedma_ctl);
    465 	}
    466 }
    467 
    468 static void
    469 sis_sata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
    470 {
    471 	struct pciide_channel *cp;
    472 	pcireg_t interface = PCI_INTERFACE(pa->pa_class);
    473 	int channel;
    474 	bus_size_t cmdsize, ctlsize;
    475 
    476 	if (pciide_chipen(sc, pa) == 0)
    477 		return;
    478 
    479 	if (interface == 0) {
    480 		WDCDEBUG_PRINT(("sis_sata_chip_map interface == 0\n"),
    481 		    DEBUG_PROBE);
    482 		interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
    483 		    PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
    484 	}
    485 
    486 	aprint_normal("%s: Silicon Integrated Systems 180/96X SATA controller (rev. 0x%02x)\n",
    487 		      sc->sc_wdcdev.sc_dev.dv_xname,
    488 		      PCI_REVISION(pa->pa_class));
    489 
    490 	aprint_normal("%s: bus-master DMA support present",
    491 	    sc->sc_wdcdev.sc_dev.dv_xname);
    492 	pciide_mapreg_dma(sc, pa);
    493 	aprint_normal("\n");
    494 
    495 	if (sc->sc_dma_ok) {
    496 		sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA | WDC_CAPABILITY_DMA |
    497 		    WDC_CAPABILITY_IRQACK;
    498 		sc->sc_wdcdev.irqack = pciide_irqack;
    499 	}
    500 	sc->sc_wdcdev.PIO_cap = 4;
    501 	sc->sc_wdcdev.DMA_cap = 2;
    502 	sc->sc_wdcdev.UDMA_cap = 6;
    503 
    504 	sc->sc_wdcdev.channels = sc->wdc_chanarray;
    505 	sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
    506 	sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
    507 	    WDC_CAPABILITY_MODE;
    508 	sc->sc_wdcdev.set_modes = sata_setup_channel;
    509 
    510 	for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
    511 		cp = &sc->pciide_channels[channel];
    512 		if (pciide_chansetup(sc, channel, interface) == 0)
    513 			continue;
    514 		pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
    515 		    pciide_pci_intr);
    516 	}
    517 }
    518