xref: /freebsd/sys/dev/ata/chipsets/ata-sis.c (revision 25b839dfd2aa60640c7b92abc69b11c107a95020)
113014ca0SSøren Schmidt /*-
24d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
3718cf2ccSPedro F. Giffuni  *
49a14aa01SUlrich Spörlein  * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
513014ca0SSøren Schmidt  * All rights reserved.
613014ca0SSøren Schmidt  *
713014ca0SSøren Schmidt  * Redistribution and use in source and binary forms, with or without
813014ca0SSøren Schmidt  * modification, are permitted provided that the following conditions
913014ca0SSøren Schmidt  * are met:
1013014ca0SSøren Schmidt  * 1. Redistributions of source code must retain the above copyright
1113014ca0SSøren Schmidt  *    notice, this list of conditions and the following disclaimer,
1213014ca0SSøren Schmidt  *    without modification, immediately at the beginning of the file.
1313014ca0SSøren Schmidt  * 2. Redistributions in binary form must reproduce the above copyright
1413014ca0SSøren Schmidt  *    notice, this list of conditions and the following disclaimer in the
1513014ca0SSøren Schmidt  *    documentation and/or other materials provided with the distribution.
1613014ca0SSøren Schmidt  *
1713014ca0SSøren Schmidt  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
1813014ca0SSøren Schmidt  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
1913014ca0SSøren Schmidt  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
2013014ca0SSøren Schmidt  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
2113014ca0SSøren Schmidt  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
2213014ca0SSøren Schmidt  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2313014ca0SSøren Schmidt  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2413014ca0SSøren Schmidt  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2513014ca0SSøren Schmidt  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
2613014ca0SSøren Schmidt  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2713014ca0SSøren Schmidt  */
2813014ca0SSøren Schmidt 
2913014ca0SSøren Schmidt #include <sys/param.h>
3013014ca0SSøren Schmidt #include <sys/module.h>
3113014ca0SSøren Schmidt #include <sys/systm.h>
3213014ca0SSøren Schmidt #include <sys/kernel.h>
3313014ca0SSøren Schmidt #include <sys/ata.h>
3413014ca0SSøren Schmidt #include <sys/bus.h>
3513014ca0SSøren Schmidt #include <sys/endian.h>
3613014ca0SSøren Schmidt #include <sys/malloc.h>
3713014ca0SSøren Schmidt #include <sys/lock.h>
3813014ca0SSøren Schmidt #include <sys/mutex.h>
3913014ca0SSøren Schmidt #include <sys/sema.h>
4013014ca0SSøren Schmidt #include <sys/taskqueue.h>
4113014ca0SSøren Schmidt #include <vm/uma.h>
4213014ca0SSøren Schmidt #include <machine/stdarg.h>
4313014ca0SSøren Schmidt #include <machine/resource.h>
4413014ca0SSøren Schmidt #include <machine/bus.h>
4513014ca0SSøren Schmidt #include <sys/rman.h>
4613014ca0SSøren Schmidt #include <dev/pci/pcivar.h>
4713014ca0SSøren Schmidt #include <dev/pci/pcireg.h>
4813014ca0SSøren Schmidt #include <dev/ata/ata-all.h>
4913014ca0SSøren Schmidt #include <dev/ata/ata-pci.h>
5013014ca0SSøren Schmidt #include <ata_if.h>
5113014ca0SSøren Schmidt 
5213014ca0SSøren Schmidt /* local prototypes */
5313014ca0SSøren Schmidt static int ata_sis_chipinit(device_t dev);
5404ff88ceSAlexander Motin static int ata_sis_ch_attach(device_t dev);
5513014ca0SSøren Schmidt static void ata_sis_reset(device_t dev);
56066f913aSAlexander Motin static int ata_sis_setmode(device_t dev, int target, int mode);
5713014ca0SSøren Schmidt 
5813014ca0SSøren Schmidt /* misc defines */
5913014ca0SSøren Schmidt #define SIS_33		1
6013014ca0SSøren Schmidt #define SIS_66		2
6113014ca0SSøren Schmidt #define SIS_100NEW	3
6213014ca0SSøren Schmidt #define SIS_100OLD	4
6313014ca0SSøren Schmidt #define SIS_133NEW	5
6413014ca0SSøren Schmidt #define SIS_133OLD	6
6513014ca0SSøren Schmidt #define SIS_SATA	7
6613014ca0SSøren Schmidt 
6713014ca0SSøren Schmidt /*
6813014ca0SSøren Schmidt  * Silicon Integrated Systems Corp. (SiS) chipset support functions
6913014ca0SSøren Schmidt  */
7013014ca0SSøren Schmidt static int
7113014ca0SSøren Schmidt ata_sis_probe(device_t dev)
7213014ca0SSøren Schmidt {
7313014ca0SSøren Schmidt     struct ata_pci_controller *ctlr = device_get_softc(dev);
745187458fSMarius Strobl     const struct ata_chip_id *idx;
7529658c96SDimitry Andric     static const struct ata_chip_id ids[] =
7613014ca0SSøren Schmidt     {{ ATA_SIS182,  0x00, SIS_SATA,   0, ATA_SA150, "182" }, /* south */
7713014ca0SSøren Schmidt      { ATA_SIS181,  0x00, SIS_SATA,   0, ATA_SA150, "181" }, /* south */
7813014ca0SSøren Schmidt      { ATA_SIS180,  0x00, SIS_SATA,   0, ATA_SA150, "180" }, /* south */
7913014ca0SSøren Schmidt      { ATA_SIS965,  0x00, SIS_133NEW, 0, ATA_UDMA6, "965" }, /* south */
8013014ca0SSøren Schmidt      { ATA_SIS964,  0x00, SIS_133NEW, 0, ATA_UDMA6, "964" }, /* south */
8113014ca0SSøren Schmidt      { ATA_SIS963,  0x00, SIS_133NEW, 0, ATA_UDMA6, "963" }, /* south */
8213014ca0SSøren Schmidt      { ATA_SIS962,  0x00, SIS_133NEW, 0, ATA_UDMA6, "962" }, /* south */
8313014ca0SSøren Schmidt 
8413014ca0SSøren Schmidt      { ATA_SIS745,  0x00, SIS_100NEW, 0, ATA_UDMA5, "745" }, /* 1chip */
8513014ca0SSøren Schmidt      { ATA_SIS735,  0x00, SIS_100NEW, 0, ATA_UDMA5, "735" }, /* 1chip */
8613014ca0SSøren Schmidt      { ATA_SIS733,  0x00, SIS_100NEW, 0, ATA_UDMA5, "733" }, /* 1chip */
8713014ca0SSøren Schmidt      { ATA_SIS730,  0x00, SIS_100OLD, 0, ATA_UDMA5, "730" }, /* 1chip */
8813014ca0SSøren Schmidt 
8913014ca0SSøren Schmidt      { ATA_SIS635,  0x00, SIS_100NEW, 0, ATA_UDMA5, "635" }, /* 1chip */
9013014ca0SSøren Schmidt      { ATA_SIS633,  0x00, SIS_100NEW, 0, ATA_UDMA5, "633" }, /* unknown */
9113014ca0SSøren Schmidt      { ATA_SIS630,  0x30, SIS_100OLD, 0, ATA_UDMA5, "630S"}, /* 1chip */
9213014ca0SSøren Schmidt      { ATA_SIS630,  0x00, SIS_66,     0, ATA_UDMA4, "630" }, /* 1chip */
9313014ca0SSøren Schmidt      { ATA_SIS620,  0x00, SIS_66,     0, ATA_UDMA4, "620" }, /* 1chip */
9413014ca0SSøren Schmidt 
9513014ca0SSøren Schmidt      { ATA_SIS550,  0x00, SIS_66,     0, ATA_UDMA5, "550" },
9613014ca0SSøren Schmidt      { ATA_SIS540,  0x00, SIS_66,     0, ATA_UDMA4, "540" },
9713014ca0SSøren Schmidt      { ATA_SIS530,  0x00, SIS_66,     0, ATA_UDMA4, "530" },
9813014ca0SSøren Schmidt 
9913014ca0SSøren Schmidt      { ATA_SIS5513, 0xc2, SIS_33,     1, ATA_UDMA2, "5513" },
10013014ca0SSøren Schmidt      { ATA_SIS5513, 0x00, SIS_33,     1, ATA_WDMA2, "5513" },
10113014ca0SSøren Schmidt      { 0, 0, 0, 0, 0, 0 }};
1025187458fSMarius Strobl     static struct ata_chip_id id[] =
1035187458fSMarius Strobl     {{ ATA_SISSOUTH, 0x10, 0, 0, 0, "" }, { 0, 0, 0, 0, 0, 0 }};
10413014ca0SSøren Schmidt     int found = 0;
10513014ca0SSøren Schmidt 
106f6550fadSAlexander Motin     if (pci_get_class(dev) != PCIC_STORAGE)
107f6550fadSAlexander Motin 	return (ENXIO);
108f6550fadSAlexander Motin 
10913014ca0SSøren Schmidt     if (pci_get_vendor(dev) != ATA_SIS_ID)
11013014ca0SSøren Schmidt 	return ENXIO;
11113014ca0SSøren Schmidt 
11213014ca0SSøren Schmidt     if (!(idx = ata_find_chip(dev, ids, -pci_get_slot(dev))))
11313014ca0SSøren Schmidt 	return ENXIO;
11413014ca0SSøren Schmidt 
1155187458fSMarius Strobl     if (idx->cfg2) {
11613014ca0SSøren Schmidt 	u_int8_t reg57 = pci_read_config(dev, 0x57, 1);
11713014ca0SSøren Schmidt 
11813014ca0SSøren Schmidt 	pci_write_config(dev, 0x57, (reg57 & 0x7f), 1);
11913014ca0SSøren Schmidt 	if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5518) {
12013014ca0SSøren Schmidt 	    found = 1;
1215187458fSMarius Strobl     	    memcpy(&id[0], idx, sizeof(id[0]));
1225187458fSMarius Strobl 	    id[0].cfg1 = SIS_133NEW;
1235187458fSMarius Strobl 	    id[0].max_dma = ATA_UDMA6;
124*25b839dfSMark Johnston 	    device_set_descf(dev, "SiS 962/963 %s controller",
12513014ca0SSøren Schmidt 		ata_mode2str(idx->max_dma));
12613014ca0SSøren Schmidt 	}
12713014ca0SSøren Schmidt 	pci_write_config(dev, 0x57, reg57, 1);
12813014ca0SSøren Schmidt     }
12913014ca0SSøren Schmidt     if (idx->cfg2 && !found) {
13013014ca0SSøren Schmidt 	u_int8_t reg4a = pci_read_config(dev, 0x4a, 1);
13113014ca0SSøren Schmidt 
13213014ca0SSøren Schmidt 	pci_write_config(dev, 0x4a, (reg4a | 0x10), 1);
13313014ca0SSøren Schmidt 	if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5517) {
13413014ca0SSøren Schmidt 	    found = 1;
13513014ca0SSøren Schmidt 	    if (ata_find_chip(dev, id, pci_get_slot(dev))) {
1365187458fSMarius Strobl 		id[0].cfg1 = SIS_133OLD;
1375187458fSMarius Strobl 		id[0].max_dma = ATA_UDMA6;
1385187458fSMarius Strobl 	    } else {
1395187458fSMarius Strobl 		id[0].cfg1 = SIS_100NEW;
1405187458fSMarius Strobl 		id[0].max_dma = ATA_UDMA5;
14113014ca0SSøren Schmidt 	    }
142*25b839dfSMark Johnston 	    device_set_descf(dev, "SiS 961 %s controller",
143*25b839dfSMark Johnston 		ata_mode2str(idx->max_dma));
14413014ca0SSøren Schmidt 	}
14513014ca0SSøren Schmidt 	pci_write_config(dev, 0x4a, reg4a, 1);
14613014ca0SSøren Schmidt     }
14713014ca0SSøren Schmidt     if (!found)
148*25b839dfSMark Johnston 	device_set_descf(dev, "SiS %s %s controller",
14913014ca0SSøren Schmidt 	    idx->text, ata_mode2str(idx->max_dma));
1505187458fSMarius Strobl     else
1515187458fSMarius Strobl 	idx = &id[0];
15213014ca0SSøren Schmidt 
15313014ca0SSøren Schmidt     ctlr->chip = idx;
15413014ca0SSøren Schmidt     ctlr->chipinit = ata_sis_chipinit;
1553036de3cSAlexander Motin     return (BUS_PROBE_LOW_PRIORITY);
15613014ca0SSøren Schmidt }
15713014ca0SSøren Schmidt 
15813014ca0SSøren Schmidt static int
15913014ca0SSøren Schmidt ata_sis_chipinit(device_t dev)
16013014ca0SSøren Schmidt {
16113014ca0SSøren Schmidt     struct ata_pci_controller *ctlr = device_get_softc(dev);
16213014ca0SSøren Schmidt 
16313014ca0SSøren Schmidt     if (ata_setup_interrupt(dev, ata_generic_intr))
16413014ca0SSøren Schmidt 	return ENXIO;
16513014ca0SSøren Schmidt 
16613014ca0SSøren Schmidt     switch (ctlr->chip->cfg1) {
16713014ca0SSøren Schmidt     case SIS_33:
16813014ca0SSøren Schmidt 	break;
16913014ca0SSøren Schmidt     case SIS_66:
17013014ca0SSøren Schmidt     case SIS_100OLD:
17113014ca0SSøren Schmidt 	pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 1) & ~0x04, 1);
17213014ca0SSøren Schmidt 	break;
17313014ca0SSøren Schmidt     case SIS_100NEW:
17413014ca0SSøren Schmidt     case SIS_133OLD:
17513014ca0SSøren Schmidt 	pci_write_config(dev, 0x49, pci_read_config(dev, 0x49, 1) & ~0x01, 1);
17613014ca0SSøren Schmidt 	break;
17713014ca0SSøren Schmidt     case SIS_133NEW:
17813014ca0SSøren Schmidt 	pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 2) | 0x0008, 2);
17913014ca0SSøren Schmidt 	pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 2) | 0x0008, 2);
18013014ca0SSøren Schmidt 	break;
18113014ca0SSøren Schmidt     case SIS_SATA:
18213014ca0SSøren Schmidt 	ctlr->r_type2 = SYS_RES_IOPORT;
18313014ca0SSøren Schmidt 	ctlr->r_rid2 = PCIR_BAR(5);
18413014ca0SSøren Schmidt 	if ((ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
18513014ca0SSøren Schmidt 						   &ctlr->r_rid2, RF_ACTIVE))) {
18604ff88ceSAlexander Motin 	    ctlr->ch_attach = ata_sis_ch_attach;
18778d15416SAlexander Motin 	    ctlr->ch_detach = ata_pci_ch_detach;
18813014ca0SSøren Schmidt 	    ctlr->reset = ata_sis_reset;
18913014ca0SSøren Schmidt 	}
19013014ca0SSøren Schmidt 	ctlr->setmode = ata_sata_setmode;
191066f913aSAlexander Motin 	ctlr->getrev = ata_sata_getrev;
19213014ca0SSøren Schmidt 	return 0;
19313014ca0SSøren Schmidt     default:
19413014ca0SSøren Schmidt 	return ENXIO;
19513014ca0SSøren Schmidt     }
19613014ca0SSøren Schmidt     ctlr->setmode = ata_sis_setmode;
19713014ca0SSøren Schmidt     return 0;
19813014ca0SSøren Schmidt }
19913014ca0SSøren Schmidt 
20013014ca0SSøren Schmidt static int
20104ff88ceSAlexander Motin ata_sis_ch_attach(device_t dev)
20213014ca0SSøren Schmidt {
20313014ca0SSøren Schmidt     struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
20413014ca0SSøren Schmidt     struct ata_channel *ch = device_get_softc(dev);
20513014ca0SSøren Schmidt     int offset = ch->unit << ((ctlr->chip->chipid == ATA_SIS182) ? 5 : 6);
20613014ca0SSøren Schmidt 
20713014ca0SSøren Schmidt     /* setup the usual register normal pci style */
20804ff88ceSAlexander Motin     if (ata_pci_ch_attach(dev))
20913014ca0SSøren Schmidt 	return ENXIO;
21013014ca0SSøren Schmidt 
21113014ca0SSøren Schmidt     ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
21213014ca0SSøren Schmidt     ch->r_io[ATA_SSTATUS].offset = 0x00 + offset;
21313014ca0SSøren Schmidt     ch->r_io[ATA_SERROR].res = ctlr->r_res2;
21413014ca0SSøren Schmidt     ch->r_io[ATA_SERROR].offset = 0x04 + offset;
21513014ca0SSøren Schmidt     ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
21613014ca0SSøren Schmidt     ch->r_io[ATA_SCONTROL].offset = 0x08 + offset;
21713014ca0SSøren Schmidt     ch->flags |= ATA_NO_SLAVE;
218066f913aSAlexander Motin     ch->flags |= ATA_SATA;
21913014ca0SSøren Schmidt 
22013014ca0SSøren Schmidt     /* XXX SOS PHY hotplug handling missing in SiS chip ?? */
22113014ca0SSøren Schmidt     /* XXX SOS unknown how to enable PHY state change interrupt */
22213014ca0SSøren Schmidt     return 0;
22313014ca0SSøren Schmidt }
22413014ca0SSøren Schmidt 
22513014ca0SSøren Schmidt static void
22613014ca0SSøren Schmidt ata_sis_reset(device_t dev)
22713014ca0SSøren Schmidt {
228aecfe194SAlexander Motin     struct ata_channel *ch = device_get_softc(dev);
229aecfe194SAlexander Motin 
2309cf4fe2eSAlexander Motin     if (ata_sata_phy_reset(dev, -1, 1))
23113014ca0SSøren Schmidt 	ata_generic_reset(dev);
232aecfe194SAlexander Motin     else
233aecfe194SAlexander Motin 	ch->devices = 0;
23413014ca0SSøren Schmidt }
23513014ca0SSøren Schmidt 
236066f913aSAlexander Motin static int
237066f913aSAlexander Motin ata_sis_setmode(device_t dev, int target, int mode)
23813014ca0SSøren Schmidt {
239066f913aSAlexander Motin 	device_t parent = device_get_parent(dev);
240066f913aSAlexander Motin 	struct ata_pci_controller *ctlr = device_get_softc(parent);
241066f913aSAlexander Motin 	struct ata_channel *ch = device_get_softc(dev);
242066f913aSAlexander Motin 	int devno = (ch->unit << 1) + target;
24313014ca0SSøren Schmidt 
244066f913aSAlexander Motin 	mode = min(mode, ctlr->chip->max_dma);
24513014ca0SSøren Schmidt 
24613014ca0SSøren Schmidt 	if (ctlr->chip->cfg1 == SIS_133NEW) {
2479a9bce34SAlexander Motin 		if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
248066f913aSAlexander Motin 		        pci_read_config(parent, ch->unit ? 0x52 : 0x50,2) & 0x8000) {
24913014ca0SSøren Schmidt 		        ata_print_cable(dev, "controller");
25013014ca0SSøren Schmidt 		        mode = ATA_UDMA2;
25113014ca0SSøren Schmidt 		}
252066f913aSAlexander Motin 	} else {
2539a9bce34SAlexander Motin 		if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
254066f913aSAlexander Motin 		    pci_read_config(parent, 0x48, 1)&(ch->unit ? 0x20 : 0x10)) {
25513014ca0SSøren Schmidt 		    ata_print_cable(dev, "controller");
25613014ca0SSøren Schmidt 		    mode = ATA_UDMA2;
25713014ca0SSøren Schmidt 		}
25813014ca0SSøren Schmidt         }
25913014ca0SSøren Schmidt 
26013014ca0SSøren Schmidt 	switch (ctlr->chip->cfg1) {
26113014ca0SSøren Schmidt 	case SIS_133NEW: {
2625187458fSMarius Strobl 	    static const uint32_t timings[] =
26313014ca0SSøren Schmidt 		{ 0x28269008, 0x0c266008, 0x04263008, 0x0c0a3008, 0x05093008,
26413014ca0SSøren Schmidt 		  0x22196008, 0x0c0a3008, 0x05093008, 0x050939fc, 0x050936ac,
26513014ca0SSøren Schmidt 		  0x0509347c, 0x0509325c, 0x0509323c, 0x0509322c, 0x0509321c};
26613014ca0SSøren Schmidt 	    u_int32_t reg;
26713014ca0SSøren Schmidt 
268066f913aSAlexander Motin 	    reg = (pci_read_config(parent, 0x57, 1)&0x40?0x70:0x40)+(devno<<2);
269066f913aSAlexander Motin 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 4);
27013014ca0SSøren Schmidt 	    break;
27113014ca0SSøren Schmidt 	    }
27213014ca0SSøren Schmidt 	case SIS_133OLD: {
2735187458fSMarius Strobl 	    static const uint16_t timings[] =
27413014ca0SSøren Schmidt 	     { 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033, 0x0031,
27513014ca0SSøren Schmidt 	       0x8f31, 0x8a31, 0x8731, 0x8531, 0x8331, 0x8231, 0x8131 };
27613014ca0SSøren Schmidt 
27713014ca0SSøren Schmidt 	    u_int16_t reg = 0x40 + (devno << 1);
27813014ca0SSøren Schmidt 
279066f913aSAlexander Motin 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
28013014ca0SSøren Schmidt 	    break;
28113014ca0SSøren Schmidt 	    }
28213014ca0SSøren Schmidt 	case SIS_100NEW: {
2835187458fSMarius Strobl 	    static const uint16_t timings[] =
28413014ca0SSøren Schmidt 		{ 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033,
28513014ca0SSøren Schmidt 		  0x0031, 0x8b31, 0x8731, 0x8531, 0x8431, 0x8231, 0x8131 };
28613014ca0SSøren Schmidt 	    u_int16_t reg = 0x40 + (devno << 1);
28713014ca0SSøren Schmidt 
288066f913aSAlexander Motin 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
28913014ca0SSøren Schmidt 	    break;
29013014ca0SSøren Schmidt 	    }
29113014ca0SSøren Schmidt 	case SIS_100OLD:
29213014ca0SSøren Schmidt 	case SIS_66:
29313014ca0SSøren Schmidt 	case SIS_33: {
2945187458fSMarius Strobl 	    static const uint16_t timings[] =
29513014ca0SSøren Schmidt 		{ 0x0c0b, 0x0607, 0x0404, 0x0303, 0x0301, 0x0404, 0x0303,
29613014ca0SSøren Schmidt 		  0x0301, 0xf301, 0xd301, 0xb301, 0xa301, 0x9301, 0x8301 };
29713014ca0SSøren Schmidt 	    u_int16_t reg = 0x40 + (devno << 1);
29813014ca0SSøren Schmidt 
299066f913aSAlexander Motin 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
30013014ca0SSøren Schmidt 	    break;
30113014ca0SSøren Schmidt 	    }
30213014ca0SSøren Schmidt 	}
303066f913aSAlexander Motin 	return (mode);
30413014ca0SSøren Schmidt }
30513014ca0SSøren Schmidt 
30613014ca0SSøren Schmidt ATA_DECLARE_DRIVER(ata_sis);
307