1/*- 2 * Copyright (c) 1998,1999 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 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 * $FreeBSD: head/sys/dev/ata/ata-dma.c 52067 1999-10-09 19:57:13Z sos $ |
29 */ 30 31#include "pci.h" 32#include "apm.h" 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/buf.h> --- 5 unchanged lines hidden (view full) --- 42#include <pci/pcivar.h> 43#include <pci/pcireg.h> 44#endif 45#if NAPM > 0 46#include <machine/apm_bios.h> 47#endif 48#include <dev/ata/ata-all.h> 49 |
50/* prototypes */ 51static void hpt366_timing(struct ata_softc *, int32_t, int32_t); 52 53/* misc defines */ 54#define MIN(a,b) ((a)>(b)?(b):(a)) |
55#ifdef __alpha__ 56#undef vtophys 57#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va) 58#endif 59 |
60#if NPCI > 0 61 62int32_t 63ata_dmainit(struct ata_softc *scp, int32_t device, 64 int32_t apiomode, int32_t wdmamode, int32_t udmamode) 65{ 66 int32_t type, devno, error; 67 void *dmatab; 68 69 if (!scp->bmaddr) 70 return -1; 71#ifdef ATA_DMADEBUG 72 printf("ata%d: dmainit: ioaddr=0x%x altioaddr=0x%x, bmaddr=0x%x\n", 73 scp->lun, scp->ioaddr, scp->altioaddr, scp->bmaddr); 74#endif 75 |
76 /* if simplex controller, only allow DMA on primary channel */ 77 if (scp->unit == 1) { 78 outb(scp->bmaddr + ATA_BMSTAT_PORT, inb(scp->bmaddr + ATA_BMSTAT_PORT) & 79 (ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE)); 80 if (inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_DMA_SIMPLEX) { 81 printf("ata%d: simplex device, DMA on primary channel only\n", 82 scp->lun); 83 return -1; 84 } 85 } 86 |
87 if (!(dmatab = malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT))) 88 return -1; 89 90 if (((uintptr_t)dmatab >> PAGE_SHIFT) ^ 91 (((uintptr_t)dmatab + PAGE_SIZE - 1) >> PAGE_SHIFT)) { 92 printf("ata_dmainit: dmatab crosses page boundary, no DMA\n"); 93 free(dmatab, M_DEVBUF); 94 return -1; --- 14 unchanged lines hidden (view full) --- 109 (error) ? "failed" : "success"); 110 if (error) 111 break; 112 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1); 113 mask48 = (1 << devno) + (3 << (16 + (devno << 2))); 114 new48 = (1 << devno) + (2 << (16 + (devno << 2))); 115 pci_write_config(scp->dev, 0x48, 116 (pci_read_config(scp->dev, 0x48, 4) & |
117 ~mask48) | new48, 4); 118 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2; |
119 return 0; 120 } 121 /* FALLTHROUGH */ 122 123 case 0x70108086: /* Intel PIIX3 */ 124 if (wdmamode >= 2 && apiomode >= 4) { 125 int32_t mask40, new40, mask44, new44; 126 --- 39 unchanged lines hidden (view full) --- 166 new44 <<= 4; 167 } 168 pci_write_config(scp->dev, 0x40, 169 (pci_read_config(scp->dev, 0x40, 4) & ~mask40) | 170 new40, 4); 171 pci_write_config(scp->dev, 0x44, 172 (pci_read_config(scp->dev, 0x44, 4) & ~mask44) | 173 new44, 4); |
174 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2; |
175 return 0; 176 } 177 break; 178 179 case 0x12308086: /* Intel PIIX */ 180 /* probably not worth the trouble */ 181 break; 182 |
183 case 0x522910b9: /* AcerLabs Aladdin IV/V */ 184 /* the Aladdin has to be setup specially for ATAPI devices */ |
185 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || |
186 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) { 187 int8_t word53 = pci_read_config(scp->dev, 0x53, 1); |
188 |
189 /* set atapi fifo, this should always work */ 190 pci_write_config(scp->dev, 0x53, (word53 & ~0x01) | 0x02, 1); 191 192 /* if both master & slave are atapi devices dont allow DMA */ 193 if (scp->devices & ATA_ATAPI_MASTER && 194 scp->devices & ATA_ATAPI_SLAVE) { 195 printf("ata%d: Aladdin: two atapi devices on this channel, " 196 "DMA disabled\n", scp->lun); 197 break; 198 } 199 /* if needed set atapi fifo & dma */ 200 if ((udmamode >=2) || (wdmamode >= 2 && apiomode >= 4)) { 201 pci_write_config(scp->dev, 0x53, word53 | 0x03, 1); 202 scp->flags |= ATA_ATAPI_DMA_RO; 203 if (device == ATA_MASTER) 204 outb(scp->bmaddr + ATA_BMSTAT_PORT, 205 inb(scp->bmaddr + ATA_BMSTAT_PORT) | 206 ATA_BMSTAT_DMA_MASTER); 207 else 208 outb(scp->bmaddr + ATA_BMSTAT_PORT, 209 inb(scp->bmaddr + ATA_BMSTAT_PORT) | 210 ATA_BMSTAT_DMA_SLAVE); 211 } 212 } 213 if (udmamode >=2) { 214 int32_t word54 = pci_read_config(scp->dev, 0x54, 4); 215 |
216 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, |
217 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR); |
218 if (bootverbose) |
219 printf("ata%d: %s: %s setting up UDMA2 mode on Aladdin chip\n", |
220 scp->lun, (device == ATA_MASTER) ? "master" : "slave", 221 (error) ? "failed" : "success"); 222 if (error) 223 break; |
224 word54 |= 0x5555; 225 word54 |= (0x0a << (16 + (scp->unit << 3) + (device << 2))); 226 pci_write_config(scp->dev, 0x54, word54, 4); 227 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2; |
228 return 0; |
229 |
230 } |
231 else if (wdmamode >= 2 && apiomode >= 4) { 232 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 233 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR); 234 if (bootverbose) 235 printf("ata%d: %s: %s setting up WDMA2 mode on Aladdin chip\n", 236 scp->lun, (device == ATA_MASTER) ? "master" : "slave", 237 (error) ? "failed" : "success"); 238 if (error) 239 break; 240 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2; 241 return 0; 242 } 243 break; 244 245 case 0x4d33105a: /* Promise Ultra33 / FastTrak33 controllers */ 246 case 0x4d38105a: /* Promise Ultra66 / FastTrak66 controllers */ 247 /* the Promise can only do DMA on ATA disks not on ATAPI devices */ 248 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || 249 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) 250 break; 251 252 devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1); |
253 if (udmamode >=2) { 254 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 255 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR); 256 if (bootverbose) 257 printf("ata%d: %s: %s setting up UDMA2 mode on Promise chip\n", 258 scp->lun, (device == ATA_MASTER) ? "master" : "slave", 259 (error) ? "failed" : "success"); 260 if (error) 261 break; 262 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004127f3, 4); |
263 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2; |
264 return 0; 265 } 266 else if (wdmamode >= 2 && apiomode >= 4) { 267 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 268 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR); 269 if (bootverbose) 270 printf("ata%d: %s: %s setting up WDMA2 mode on Promise chip\n", 271 scp->lun, (device == ATA_MASTER) ? "master" : "slave", 272 (error) ? "failed" : "success"); 273 if (error) 274 break; 275 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004367f3, 4); |
276 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2; |
277 return 0; 278 } 279 else { 280 if (bootverbose) 281 printf("ata%d: %s: setting PIO mode on Promise chip\n", 282 scp->lun, (device == ATA_MASTER) ? "master" : "slave"); 283 pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004fe924, 4); 284 } 285 break; 286 |
287 case 0x00041103: /* HighPoint HPT366 IDE controller */ 288 /* punt on ATAPI devices for now */ |
289 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || |
290 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) 291 break; |
292 |
293 devno = (device == ATA_MASTER) ? 0 : 1; 294 if (udmamode >=4 && !(pci_read_config(scp->dev, 0x5a, 1) & 0x2)) { 295 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 296 ATA_UDMA4, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR); 297 if (bootverbose) 298 printf("ata%d: %s: %s setting up UDMA4 mode on HPT366 chip\n", 299 scp->lun, (device == ATA_MASTER) ? "master" : "slave", 300 (error) ? "failed" : "success"); 301 if (error) 302 break; 303 hpt366_timing(scp, device, ATA_MODE_UDMA4); 304 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA4; 305 return 0; |
306 } |
307 else if (udmamode >=3) { |
308 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, |
309 ATA_UDMA3, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR); 310 if (bootverbose) 311 printf("ata%d: %s: %s setting up UDMA3 mode on HPT366 chip\n", 312 scp->lun, (device == ATA_MASTER) ? "master" : "slave", 313 (error) ? "failed" : "success"); 314 if (error) 315 break; 316 hpt366_timing(scp, device, ATA_MODE_UDMA3); 317 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA3; 318 return 0; 319 } 320 else if (udmamode >=2) { 321 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, |
322 ATA_UDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR); 323 if (bootverbose) |
324 printf("ata%d: %s: %s setting up UDMA2 mode on HPT366 chip\n", |
325 scp->lun, (device == ATA_MASTER) ? "master" : "slave", 326 (error) ? "failed" : "success"); 327 if (error) 328 break; |
329 hpt366_timing(scp, device, ATA_MODE_UDMA2); 330 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2; |
331 return 0; |
332 } 333 else if (wdmamode >= 2 && apiomode >= 4) { 334 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 335 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR); 336 if (bootverbose) |
337 printf("ata%d: %s: %s setting up WDMA2 mode on HPT366 chip\n", |
338 scp->lun, (device == ATA_MASTER) ? "master" : "slave", 339 (error) ? "failed" : "success"); 340 if (error) 341 break; |
342 hpt366_timing(scp, device, ATA_MODE_WDMA2); 343 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2; |
344 return 0; 345 } |
346 else { 347 if (bootverbose) 348 printf("ata%d: %s: setting PIO mode on HPT366 chip\n", 349 scp->lun, (device == ATA_MASTER) ? "master" : "slave"); 350 hpt366_timing(scp, device, ATA_MODE_PIO); 351 } |
352 break; 353 354 default: /* unknown controller chip */ 355 /* better not try generic DMA on ATAPI devices it almost never works */ 356 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || 357 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) 358 break; 359 --- 5 unchanged lines hidden (view full) --- 365 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 366 ATA_WDMA2, ATA_C_FEA_SETXFER, ATA_IGNORE_INTR); 367 if (bootverbose) 368 printf("ata%d: %s: %s setting up WDMA2 mode on generic chip\n", 369 scp->lun, (device == ATA_MASTER) ? "master" : "slave", 370 (error) ? "failed" : "success"); 371 if (error) 372 break; |
373 scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2; |
374 return 0; 375 } 376 } 377 free(dmatab, M_DEVBUF); 378 return -1; 379} 380 381int32_t --- 51 unchanged lines hidden (view full) --- 433#endif 434 outb(scp->bmaddr + ATA_BMCMD_PORT, flags ? ATA_BMCMD_WRITE_READ:0); 435 outb(scp->bmaddr + ATA_BMSTAT_PORT, (inb(scp->bmaddr + ATA_BMSTAT_PORT) | 436 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR))); 437 return 0; 438} 439 440void |
441ata_dmastart(struct ata_softc *scp) |
442{ 443#ifdef ATA_DMADEBUG 444 printf("ata%d: dmastart\n", scp->lun); 445#endif |
446 scp->flags |= ATA_DMA_ACTIVE; |
447 outb(scp->bmaddr + ATA_BMCMD_PORT, 448 inb(scp->bmaddr + ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP); 449} 450 451int32_t |
452ata_dmadone(struct ata_softc *scp) |
453{ 454#ifdef ATA_DMADEBUG 455 printf("ata%d: dmadone\n", scp->lun); 456#endif 457 outb(scp->bmaddr + ATA_BMCMD_PORT, 458 inb(scp->bmaddr + ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); |
459 scp->flags &= ~ATA_DMA_ACTIVE; |
460 return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 461} 462 463int32_t |
464ata_dmastatus(struct ata_softc *scp) |
465{ 466#ifdef ATA_DMADEBUG 467 printf("ata%d: dmastatus\n", scp->lun); 468#endif 469 return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 470} 471 |
472static void 473hpt366_timing(struct ata_softc *scp, int32_t device, int32_t mode) 474{ 475 u_int32_t timing; 476 477 switch (pci_read_config(scp->dev, (device == ATA_MASTER) ? 0x41 : 0x45, 1)){ 478 case 0x85: /* 25Mhz */ 479 switch (mode) { 480 case ATA_MODE_PIO: timing = 0xc0ca8521; break; 481 case ATA_MODE_WDMA2: timing = 0xa0ca8521; break; 482 case ATA_MODE_UDMA2: 483 case ATA_MODE_UDMA3: timing = 0x90cf8521; break; 484 case ATA_MODE_UDMA4: timing = 0x90c98521; break; 485 default: timing = 0x01208585; 486 } 487 break; 488 default: 489 case 0xa7: /* 33MHz */ 490 switch (mode) { 491 case ATA_MODE_PIO: timing = 0xc0c8a731; break; 492 case ATA_MODE_WDMA2: timing = 0xa0c8a731; break; 493 case ATA_MODE_UDMA2: timing = 0x90caa731; break; 494 case ATA_MODE_UDMA3: timing = 0x90cfa731; break; 495 case ATA_MODE_UDMA4: timing = 0x90c9a731; break; 496 default: timing = 0x0120a7a7; 497 } 498 break; 499 case 0xd9: /* 40Mhz */ 500 switch (mode) { 501 case ATA_MODE_PIO: timing = 0xc008d963; break; 502 case ATA_MODE_WDMA2: timing = 0xa008d943; break; 503 case ATA_MODE_UDMA2: timing = 0x900bd943; break; 504 case ATA_MODE_UDMA3: timing = 0x900ad943; break; 505 case ATA_MODE_UDMA4: timing = 0x900fd943; break; 506 default: timing = 0x0120d9d9; 507 } 508 } 509 pci_write_config(scp->dev, 0x40 + (device==ATA_MASTER ? 0 : 4), timing, 4); 510} 511 |
512#else /* NPCI > 0 */ 513 514int32_t 515ata_dmainit(struct ata_softc *scp, int32_t device, 516 int32_t piomode, int32_t wdmamode, int32_t udmamode) 517{ 518 return -1; 519} 520 521int32_t 522ata_dmasetup(struct ata_softc *scp, int32_t device, 523 int8_t *data, int32_t count, int32_t flags) 524{ 525 return -1; 526} 527 528void |
529ata_dmastart(struct ata_softc *scp) |
530{ 531} 532 533int32_t |
534ata_dmadone(struct ata_softc *scp) |
535{ 536 return -1; 537} 538 539int32_t |
540ata_dmastatus(struct ata_softc *scp) |
541{ 542 return -1; 543} 544 545#endif /* NPCI > 0 */ |