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-siliconimage.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_cmd_ch_attach(device_t dev); 57 static int ata_cmd_status(device_t dev); 58 static int ata_cmd_setmode(device_t dev, int target, int mode); 59 static int ata_sii_ch_attach(device_t dev); 60 static int ata_sii_ch_detach(device_t dev); 61 static int ata_sii_status(device_t dev); 62 static void ata_sii_reset(device_t dev); 63 static int ata_sii_setmode(device_t dev, int target, int mode); 64 65 /* misc defines */ 66 #define SII_MEMIO 1 67 #define SII_INTR 0x01 68 #define SII_SETCLK 0x02 69 #define SII_BUG 0x04 70 #define SII_4CH 0x08 71 72 /* 73 * Silicon Image Inc. (SiI) (former CMD) chipset support functions 74 */ 75 static int 76 ata_sii_probe(device_t dev) 77 { 78 struct ata_pci_controller *ctlr = device_get_softc(dev); 79 static const struct ata_chip_id ids[] = 80 {{ ATA_SII3114, 0x00, SII_MEMIO, SII_4CH, ATA_SA150, "3114" }, 81 { ATA_SII3512, 0x02, SII_MEMIO, 0, ATA_SA150, "3512" }, 82 { ATA_SII3112, 0x02, SII_MEMIO, 0, ATA_SA150, "3112" }, 83 { ATA_SII3112_1, 0x02, SII_MEMIO, 0, ATA_SA150, "3112" }, 84 { ATA_SII3512, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "3512" }, 85 { ATA_SII3112, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "3112" }, 86 { ATA_SII3112_1, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "3112" }, 87 { ATA_SII0680, 0x00, SII_MEMIO, SII_SETCLK, ATA_UDMA6, "680" }, 88 { ATA_CMD649, 0x00, 0, SII_INTR, ATA_UDMA5, "(CMD) 649" }, 89 { ATA_CMD648, 0x00, 0, SII_INTR, ATA_UDMA4, "(CMD) 648" }, 90 { ATA_CMD646, 0x07, 0, 0, ATA_UDMA2, "(CMD) 646U2" }, 91 { ATA_CMD646, 0x00, 0, 0, ATA_WDMA2, "(CMD) 646" }, 92 { 0, 0, 0, 0, 0, 0}}; 93 94 if (pci_get_vendor(dev) != ATA_SILICON_IMAGE_ID) 95 return ENXIO; 96 97 if (!(ctlr->chip = ata_match_chip(dev, ids))) 98 return ENXIO; 99 100 ata_set_desc(dev); 101 ctlr->chipinit = ata_sii_chipinit; 102 return (BUS_PROBE_LOW_PRIORITY); 103 } 104 105 int 106 ata_sii_chipinit(device_t dev) 107 { 108 struct ata_pci_controller *ctlr = device_get_softc(dev); 109 110 if (ata_setup_interrupt(dev, ata_generic_intr)) 111 return ENXIO; 112 113 switch (ctlr->chip->cfg1) { 114 case SII_MEMIO: 115 ctlr->r_type2 = SYS_RES_MEMORY; 116 ctlr->r_rid2 = PCIR_BAR(5); 117 if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2, 118 &ctlr->r_rid2, RF_ACTIVE))){ 119 if (ctlr->chip->chipid != ATA_SII0680 || 120 (pci_read_config(dev, 0x8a, 1) & 1)) 121 return ENXIO; 122 } 123 124 if (ctlr->chip->cfg2 & SII_SETCLK) { 125 if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10) 126 pci_write_config(dev, 0x8a, 127 (pci_read_config(dev, 0x8a, 1) & 0xcf)|0x10,1); 128 if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10) 129 device_printf(dev, "%s could not set ATA133 clock\n", 130 ctlr->chip->text); 131 } 132 133 /* if we have 4 channels enable the second set */ 134 if (ctlr->chip->cfg2 & SII_4CH) { 135 ATA_OUTL(ctlr->r_res2, 0x0200, 0x00000002); 136 ctlr->channels = 4; 137 } 138 139 /* dont block interrupts from any channel */ 140 pci_write_config(dev, 0x48, 141 (pci_read_config(dev, 0x48, 4) & ~0x03c00000), 4); 142 143 /* enable PCI interrupt as BIOS might not */ 144 pci_write_config(dev, 0x8a, (pci_read_config(dev, 0x8a, 1) & 0x3f), 1); 145 146 if (ctlr->r_res2) { 147 ctlr->ch_attach = ata_sii_ch_attach; 148 ctlr->ch_detach = ata_sii_ch_detach; 149 } 150 151 if (ctlr->chip->max_dma >= ATA_SA150) { 152 ctlr->reset = ata_sii_reset; 153 ctlr->setmode = ata_sata_setmode; 154 ctlr->getrev = ata_sata_getrev; 155 } 156 else 157 ctlr->setmode = ata_sii_setmode; 158 break; 159 160 default: 161 if ((pci_read_config(dev, 0x51, 1) & 0x08) != 0x08) { 162 device_printf(dev, "HW has secondary channel disabled\n"); 163 ctlr->channels = 1; 164 } 165 166 /* enable interrupt as BIOS might not */ 167 pci_write_config(dev, 0x71, 0x01, 1); 168 169 ctlr->ch_attach = ata_cmd_ch_attach; 170 ctlr->ch_detach = ata_pci_ch_detach; 171 ctlr->setmode = ata_cmd_setmode; 172 break; 173 } 174 return 0; 175 } 176 177 static int 178 ata_cmd_ch_attach(device_t dev) 179 { 180 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 181 struct ata_channel *ch = device_get_softc(dev); 182 183 /* setup the usual register normal pci style */ 184 if (ata_pci_ch_attach(dev)) 185 return ENXIO; 186 187 if (ctlr->chip->cfg2 & SII_INTR) 188 ch->hw.status = ata_cmd_status; 189 190 ch->flags |= ATA_NO_ATAPI_DMA; 191 192 return 0; 193 } 194 195 static int 196 ata_cmd_status(device_t dev) 197 { 198 struct ata_channel *ch = device_get_softc(dev); 199 u_int8_t reg71; 200 201 if (((reg71 = pci_read_config(device_get_parent(dev), 0x71, 1)) & 202 (ch->unit ? 0x08 : 0x04))) { 203 pci_write_config(device_get_parent(dev), 0x71, 204 reg71 & ~(ch->unit ? 0x04 : 0x08), 1); 205 return ata_pci_status(dev); 206 } 207 return 0; 208 } 209 210 static int 211 ata_cmd_setmode(device_t dev, int target, int mode) 212 { 213 device_t parent = device_get_parent(dev); 214 struct ata_pci_controller *ctlr = device_get_softc(parent); 215 struct ata_channel *ch = device_get_softc(dev); 216 int devno = (ch->unit << 1) + target; 217 int treg = 0x54 + ((devno < 3) ? (devno << 1) : 7); 218 int ureg = ch->unit ? 0x7b : 0x73; 219 int piomode; 220 static const uint8_t piotimings[] = 221 { 0xa9, 0x57, 0x44, 0x32, 0x3f, 0x87, 0x32, 0x3f }; 222 static const uint8_t udmatimings[][2] = 223 { { 0x31, 0xc2 }, { 0x21, 0x82 }, { 0x11, 0x42 }, 224 { 0x25, 0x8a }, { 0x15, 0x4a }, { 0x05, 0x0a } }; 225 226 mode = min(mode, ctlr->chip->max_dma); 227 if (mode >= ATA_UDMA0) { 228 u_int8_t umode = pci_read_config(parent, ureg, 1); 229 230 umode &= ~(target == 0 ? 0x35 : 0xca); 231 umode |= udmatimings[mode & ATA_MODE_MASK][target]; 232 pci_write_config(parent, ureg, umode, 1); 233 piomode = ATA_PIO4; 234 } else { 235 pci_write_config(parent, ureg, 236 pci_read_config(parent, ureg, 1) & 237 ~(target == 0 ? 0x35 : 0xca), 1); 238 piomode = mode; 239 } 240 pci_write_config(parent, treg, piotimings[ata_mode2idx(piomode)], 1); 241 return (mode); 242 } 243 244 static int 245 ata_sii_ch_attach(device_t dev) 246 { 247 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 248 struct ata_channel *ch = device_get_softc(dev); 249 int unit01 = (ch->unit & 1), unit10 = (ch->unit & 2); 250 int i; 251 252 for (i = ATA_DATA; i <= ATA_COMMAND; i++) { 253 ch->r_io[i].res = ctlr->r_res2; 254 ch->r_io[i].offset = 0x80 + i + (unit01 << 6) + (unit10 << 8); 255 } 256 ch->r_io[ATA_CONTROL].res = ctlr->r_res2; 257 ch->r_io[ATA_CONTROL].offset = 0x8a + (unit01 << 6) + (unit10 << 8); 258 ch->r_io[ATA_IDX_ADDR].res = ctlr->r_res2; 259 ata_default_registers(dev); 260 261 ch->r_io[ATA_BMCMD_PORT].res = ctlr->r_res2; 262 ch->r_io[ATA_BMCMD_PORT].offset = 0x00 + (unit01 << 3) + (unit10 << 8); 263 ch->r_io[ATA_BMSTAT_PORT].res = ctlr->r_res2; 264 ch->r_io[ATA_BMSTAT_PORT].offset = 0x02 + (unit01 << 3) + (unit10 << 8); 265 ch->r_io[ATA_BMDTP_PORT].res = ctlr->r_res2; 266 ch->r_io[ATA_BMDTP_PORT].offset = 0x04 + (unit01 << 3) + (unit10 << 8); 267 268 if (ctlr->chip->max_dma >= ATA_SA150) { 269 ch->r_io[ATA_SSTATUS].res = ctlr->r_res2; 270 ch->r_io[ATA_SSTATUS].offset = 0x104 + (unit01 << 7) + (unit10 << 8); 271 ch->r_io[ATA_SERROR].res = ctlr->r_res2; 272 ch->r_io[ATA_SERROR].offset = 0x108 + (unit01 << 7) + (unit10 << 8); 273 ch->r_io[ATA_SCONTROL].res = ctlr->r_res2; 274 ch->r_io[ATA_SCONTROL].offset = 0x100 + (unit01 << 7) + (unit10 << 8); 275 ch->flags |= ATA_NO_SLAVE; 276 ch->flags |= ATA_SATA; 277 ch->flags |= ATA_KNOWN_PRESENCE; 278 279 /* enable PHY state change interrupt */ 280 ATA_OUTL(ctlr->r_res2, 0x148 + (unit01 << 7) + (unit10 << 8),(1 << 16)); 281 } 282 283 if (ctlr->chip->cfg2 & SII_BUG) { 284 /* work around errata in early chips */ 285 ch->dma.boundary = 8192; 286 ch->dma.segsize = 15 * DEV_BSIZE; 287 } 288 289 ata_pci_hw(dev); 290 ch->hw.status = ata_sii_status; 291 if (ctlr->chip->cfg2 & SII_SETCLK) 292 ch->flags |= ATA_CHECKS_CABLE; 293 294 ata_pci_dmainit(dev); 295 296 return 0; 297 } 298 299 static int 300 ata_sii_ch_detach(device_t dev) 301 { 302 303 ata_pci_dmafini(dev); 304 return (0); 305 } 306 307 static int 308 ata_sii_status(device_t dev) 309 { 310 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 311 struct ata_channel *ch = device_get_softc(dev); 312 int offset0 = ((ch->unit & 1) << 3) + ((ch->unit & 2) << 8); 313 int offset1 = ((ch->unit & 1) << 6) + ((ch->unit & 2) << 8); 314 315 /* do we have any PHY events ? */ 316 if (ctlr->chip->max_dma >= ATA_SA150 && 317 (ATA_INL(ctlr->r_res2, 0x10 + offset0) & 0x00000010)) 318 ata_sata_phy_check_events(dev, -1); 319 320 if (ATA_INL(ctlr->r_res2, 0xa0 + offset1) & 0x00000800) 321 return ata_pci_status(dev); 322 else 323 return 0; 324 } 325 326 static void 327 ata_sii_reset(device_t dev) 328 { 329 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 330 struct ata_channel *ch = device_get_softc(dev); 331 int offset = ((ch->unit & 1) << 7) + ((ch->unit & 2) << 8); 332 uint32_t val; 333 334 /* Apply R_ERR on DMA activate FIS errata workaround. */ 335 val = ATA_INL(ctlr->r_res2, 0x14c + offset); 336 if ((val & 0x3) == 0x1) 337 ATA_OUTL(ctlr->r_res2, 0x14c + offset, val & ~0x3); 338 339 if (ata_sata_phy_reset(dev, -1, 1)) 340 ata_generic_reset(dev); 341 else 342 ch->devices = 0; 343 } 344 345 static int 346 ata_sii_setmode(device_t dev, int target, int mode) 347 { 348 device_t parent = device_get_parent(dev); 349 struct ata_pci_controller *ctlr = device_get_softc(parent); 350 struct ata_channel *ch = device_get_softc(dev); 351 int rego = (ch->unit << 4) + (target << 1); 352 int mreg = ch->unit ? 0x84 : 0x80; 353 int mask = 0x03 << (target << 2); 354 int mval = pci_read_config(parent, mreg, 1) & ~mask; 355 int piomode; 356 u_int8_t preg = 0xa4 + rego; 357 u_int8_t dreg = 0xa8 + rego; 358 u_int8_t ureg = 0xac + rego; 359 static const uint16_t piotimings[] = 360 { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 }; 361 static const uint16_t dmatimings[] = { 0x2208, 0x10c2, 0x10c1 }; 362 static const uint8_t udmatimings[] = 363 { 0xf, 0xb, 0x7, 0x5, 0x3, 0x2, 0x1 }; 364 365 mode = min(mode, ctlr->chip->max_dma); 366 367 if (ctlr->chip->cfg2 & SII_SETCLK) { 368 if (ata_dma_check_80pin && mode > ATA_UDMA2 && 369 (pci_read_config(parent, 0x79, 1) & 370 (ch->unit ? 0x02 : 0x01))) { 371 ata_print_cable(dev, "controller"); 372 mode = ATA_UDMA2; 373 } 374 } 375 if (mode >= ATA_UDMA0) { 376 pci_write_config(parent, mreg, 377 mval | (0x03 << (target << 2)), 1); 378 pci_write_config(parent, ureg, 379 (pci_read_config(parent, ureg, 1) & ~0x3f) | 380 udmatimings[mode & ATA_MODE_MASK], 1); 381 piomode = ATA_PIO4; 382 } else if (mode >= ATA_WDMA0) { 383 pci_write_config(parent, mreg, 384 mval | (0x02 << (target << 2)), 1); 385 pci_write_config(parent, dreg, dmatimings[mode & ATA_MODE_MASK], 2); 386 piomode = (mode == ATA_WDMA0) ? ATA_PIO0 : 387 (mode == ATA_WDMA1) ? ATA_PIO3 : ATA_PIO4; 388 } else { 389 pci_write_config(parent, mreg, 390 mval | (0x01 << (target << 2)), 1); 391 piomode = mode; 392 } 393 pci_write_config(parent, preg, piotimings[ata_mode2idx(piomode)], 2); 394 return (mode); 395 } 396 397 ATA_DECLARE_DRIVER(ata_sii);
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