Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ata/chipsets/ata-sis.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_sis_chipinit(device_t dev); 57 static int ata_sis_ch_attach(device_t dev); 58 static void ata_sis_reset(device_t dev); 59 static int ata_sis_setmode(device_t dev, int target, int mode); 60 61 /* misc defines */ 62 #define SIS_33 1 63 #define SIS_66 2 64 #define SIS_100NEW 3 65 #define SIS_100OLD 4 66 #define SIS_133NEW 5 67 #define SIS_133OLD 6 68 #define SIS_SATA 7 69 70 /* 71 * Silicon Integrated Systems Corp. (SiS) chipset support functions 72 */ 73 static int 74 ata_sis_probe(device_t dev) 75 { 76 struct ata_pci_controller *ctlr = device_get_softc(dev); 77 const struct ata_chip_id *idx; 78 static const struct ata_chip_id ids[] = 79 {{ ATA_SIS182, 0x00, SIS_SATA, 0, ATA_SA150, "182" }, /* south */ 80 { ATA_SIS181, 0x00, SIS_SATA, 0, ATA_SA150, "181" }, /* south */ 81 { ATA_SIS180, 0x00, SIS_SATA, 0, ATA_SA150, "180" }, /* south */ 82 { ATA_SIS965, 0x00, SIS_133NEW, 0, ATA_UDMA6, "965" }, /* south */ 83 { ATA_SIS964, 0x00, SIS_133NEW, 0, ATA_UDMA6, "964" }, /* south */ 84 { ATA_SIS963, 0x00, SIS_133NEW, 0, ATA_UDMA6, "963" }, /* south */ 85 { ATA_SIS962, 0x00, SIS_133NEW, 0, ATA_UDMA6, "962" }, /* south */ 86 87 { ATA_SIS745, 0x00, SIS_100NEW, 0, ATA_UDMA5, "745" }, /* 1chip */ 88 { ATA_SIS735, 0x00, SIS_100NEW, 0, ATA_UDMA5, "735" }, /* 1chip */ 89 { ATA_SIS733, 0x00, SIS_100NEW, 0, ATA_UDMA5, "733" }, /* 1chip */ 90 { ATA_SIS730, 0x00, SIS_100OLD, 0, ATA_UDMA5, "730" }, /* 1chip */ 91 92 { ATA_SIS635, 0x00, SIS_100NEW, 0, ATA_UDMA5, "635" }, /* 1chip */ 93 { ATA_SIS633, 0x00, SIS_100NEW, 0, ATA_UDMA5, "633" }, /* unknown */ 94 { ATA_SIS630, 0x30, SIS_100OLD, 0, ATA_UDMA5, "630S"}, /* 1chip */ 95 { ATA_SIS630, 0x00, SIS_66, 0, ATA_UDMA4, "630" }, /* 1chip */ 96 { ATA_SIS620, 0x00, SIS_66, 0, ATA_UDMA4, "620" }, /* 1chip */ 97 98 { ATA_SIS550, 0x00, SIS_66, 0, ATA_UDMA5, "550" }, 99 { ATA_SIS540, 0x00, SIS_66, 0, ATA_UDMA4, "540" }, 100 { ATA_SIS530, 0x00, SIS_66, 0, ATA_UDMA4, "530" }, 101 102 { ATA_SIS5513, 0xc2, SIS_33, 1, ATA_UDMA2, "5513" }, 103 { ATA_SIS5513, 0x00, SIS_33, 1, ATA_WDMA2, "5513" }, 104 { 0, 0, 0, 0, 0, 0 }}; 105 static struct ata_chip_id id[] = 106 {{ ATA_SISSOUTH, 0x10, 0, 0, 0, "" }, { 0, 0, 0, 0, 0, 0 }}; 107 char buffer[64]; 108 int found = 0; 109 110 if (pci_get_class(dev) != PCIC_STORAGE) 111 return (ENXIO); 112 113 if (pci_get_vendor(dev) != ATA_SIS_ID) 114 return ENXIO; 115 116 if (!(idx = ata_find_chip(dev, ids, -pci_get_slot(dev)))) 117 return ENXIO; 118 119 if (idx->cfg2) { 120 u_int8_t reg57 = pci_read_config(dev, 0x57, 1); 121 122 pci_write_config(dev, 0x57, (reg57 & 0x7f), 1); 123 if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5518) { 124 found = 1; 125 memcpy(&id[0], idx, sizeof(id[0])); 126 id[0].cfg1 = SIS_133NEW; 127 id[0].max_dma = ATA_UDMA6; 128 sprintf(buffer, "SiS 962/963 %s controller", 129 ata_mode2str(idx->max_dma)); 130 } 131 pci_write_config(dev, 0x57, reg57, 1); 132 } 133 if (idx->cfg2 && !found) { 134 u_int8_t reg4a = pci_read_config(dev, 0x4a, 1); 135 136 pci_write_config(dev, 0x4a, (reg4a | 0x10), 1); 137 if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5517) { 138 found = 1; 139 if (ata_find_chip(dev, id, pci_get_slot(dev))) { 140 id[0].cfg1 = SIS_133OLD; 141 id[0].max_dma = ATA_UDMA6; 142 } else { 143 id[0].cfg1 = SIS_100NEW; 144 id[0].max_dma = ATA_UDMA5; 145 } 146 sprintf(buffer, "SiS 961 %s controller",ata_mode2str(idx->max_dma)); 147 } 148 pci_write_config(dev, 0x4a, reg4a, 1); 149 } 150 if (!found) 151 sprintf(buffer,"SiS %s %s controller", 152 idx->text, ata_mode2str(idx->max_dma)); 153 else 154 idx = &id[0]; 155 156 device_set_desc_copy(dev, buffer); 157 ctlr->chip = idx; 158 ctlr->chipinit = ata_sis_chipinit; 159 return (BUS_PROBE_LOW_PRIORITY); 160 } 161 162 static int 163 ata_sis_chipinit(device_t dev) 164 { 165 struct ata_pci_controller *ctlr = device_get_softc(dev); 166 167 if (ata_setup_interrupt(dev, ata_generic_intr)) 168 return ENXIO; 169 170 switch (ctlr->chip->cfg1) { 171 case SIS_33: 172 break; 173 case SIS_66: 174 case SIS_100OLD: 175 pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 1) & ~0x04, 1); 176 break; 177 case SIS_100NEW: 178 case SIS_133OLD: 179 pci_write_config(dev, 0x49, pci_read_config(dev, 0x49, 1) & ~0x01, 1); 180 break; 181 case SIS_133NEW: 182 pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 2) | 0x0008, 2); 183 pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 2) | 0x0008, 2); 184 break; 185 case SIS_SATA: 186 ctlr->r_type2 = SYS_RES_IOPORT; 187 ctlr->r_rid2 = PCIR_BAR(5); 188 if ((ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2, 189 &ctlr->r_rid2, RF_ACTIVE))) { 190 ctlr->ch_attach = ata_sis_ch_attach; 191 ctlr->ch_detach = ata_pci_ch_detach; 192 ctlr->reset = ata_sis_reset; 193 } 194 ctlr->setmode = ata_sata_setmode; 195 ctlr->getrev = ata_sata_getrev; 196 return 0; 197 default: 198 return ENXIO; 199 } 200 ctlr->setmode = ata_sis_setmode; 201 return 0; 202 } 203 204 static int 205 ata_sis_ch_attach(device_t dev) 206 { 207 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 208 struct ata_channel *ch = device_get_softc(dev); 209 int offset = ch->unit << ((ctlr->chip->chipid == ATA_SIS182) ? 5 : 6); 210 211 /* setup the usual register normal pci style */ 212 if (ata_pci_ch_attach(dev)) 213 return ENXIO; 214 215 ch->r_io[ATA_SSTATUS].res = ctlr->r_res2; 216 ch->r_io[ATA_SSTATUS].offset = 0x00 + offset; 217 ch->r_io[ATA_SERROR].res = ctlr->r_res2; 218 ch->r_io[ATA_SERROR].offset = 0x04 + offset; 219 ch->r_io[ATA_SCONTROL].res = ctlr->r_res2; 220 ch->r_io[ATA_SCONTROL].offset = 0x08 + offset; 221 ch->flags |= ATA_NO_SLAVE; 222 ch->flags |= ATA_SATA; 223 224 /* XXX SOS PHY hotplug handling missing in SiS chip ?? */ 225 /* XXX SOS unknown how to enable PHY state change interrupt */ 226 return 0; 227 } 228 229 static void 230 ata_sis_reset(device_t dev) 231 { 232 struct ata_channel *ch = device_get_softc(dev); 233 234 if (ata_sata_phy_reset(dev, -1, 1)) 235 ata_generic_reset(dev); 236 else 237 ch->devices = 0; 238 } 239 240 static int 241 ata_sis_setmode(device_t dev, int target, int mode) 242 { 243 device_t parent = device_get_parent(dev); 244 struct ata_pci_controller *ctlr = device_get_softc(parent); 245 struct ata_channel *ch = device_get_softc(dev); 246 int devno = (ch->unit << 1) + target; 247 248 mode = min(mode, ctlr->chip->max_dma); 249 250 if (ctlr->chip->cfg1 == SIS_133NEW) { 251 if (ata_dma_check_80pin && mode > ATA_UDMA2 && 252 pci_read_config(parent, ch->unit ? 0x52 : 0x50,2) & 0x8000) { 253 ata_print_cable(dev, "controller"); 254 mode = ATA_UDMA2; 255 } 256 } else { 257 if (ata_dma_check_80pin && mode > ATA_UDMA2 && 258 pci_read_config(parent, 0x48, 1)&(ch->unit ? 0x20 : 0x10)) { 259 ata_print_cable(dev, "controller"); 260 mode = ATA_UDMA2; 261 } 262 } 263 264 switch (ctlr->chip->cfg1) { 265 case SIS_133NEW: { 266 static const uint32_t timings[] = 267 { 0x28269008, 0x0c266008, 0x04263008, 0x0c0a3008, 0x05093008, 268 0x22196008, 0x0c0a3008, 0x05093008, 0x050939fc, 0x050936ac, 269 0x0509347c, 0x0509325c, 0x0509323c, 0x0509322c, 0x0509321c}; 270 u_int32_t reg; 271 272 reg = (pci_read_config(parent, 0x57, 1)&0x40?0x70:0x40)+(devno<<2); 273 pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 4); 274 break; 275 } 276 case SIS_133OLD: { 277 static const uint16_t timings[] = 278 { 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033, 0x0031, 279 0x8f31, 0x8a31, 0x8731, 0x8531, 0x8331, 0x8231, 0x8131 }; 280 281 u_int16_t reg = 0x40 + (devno << 1); 282 283 pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2); 284 break; 285 } 286 case SIS_100NEW: { 287 static const uint16_t timings[] = 288 { 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033, 289 0x0031, 0x8b31, 0x8731, 0x8531, 0x8431, 0x8231, 0x8131 }; 290 u_int16_t reg = 0x40 + (devno << 1); 291 292 pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2); 293 break; 294 } 295 case SIS_100OLD: 296 case SIS_66: 297 case SIS_33: { 298 static const uint16_t timings[] = 299 { 0x0c0b, 0x0607, 0x0404, 0x0303, 0x0301, 0x0404, 0x0303, 300 0x0301, 0xf301, 0xd301, 0xb301, 0xa301, 0x9301, 0x8301 }; 301 u_int16_t reg = 0x40 + (devno << 1); 302 303 pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2); 304 break; 305 } 306 } 307 return (mode); 308 } 309 310 ATA_DECLARE_DRIVER(ata_sis);
Cache object: 59bf6864b117ee617031614f956d50fc
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