1/*- 2 * Copyright (c) 1998,1999,2000 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 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 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. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 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 *
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28 * $FreeBSD: head/sys/dev/ata/ata-dma.c 56988 2000-02-04 10:20:22Z sos $
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28 * $FreeBSD: head/sys/dev/ata/ata-dma.c 57325 2000-02-18 20:57:33Z sos $ |
29 */ 30 31#include "pci.h"
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32#include "apm.h"
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32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/buf.h> 35#include <sys/malloc.h> 36#include <sys/bus.h> 37#include <sys/disk.h> 38#include <sys/devicestat.h> 39#include <vm/vm.h> 40#include <vm/pmap.h> 41#if NPCI > 0 42#include <pci/pcivar.h> 43#endif
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45#if NAPM > 0
46#include <machine/apm_bios.h>
47#endif
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44#include <dev/ata/ata-all.h> 45#include <dev/ata/ata-disk.h> 46 47#if NPCI > 0 48 49/* prototypes */ 50static void promise_timing(struct ata_softc *, int32_t, int32_t); 51static void hpt366_timing(struct ata_softc *, int32_t, int32_t); 52 53/* misc defines */ 54#ifdef __alpha__ 55#undef vtophys 56#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va) 57#endif 58 59void 60ata_dmainit(struct ata_softc *scp, int32_t device, 61 int32_t apiomode, int32_t wdmamode, int32_t udmamode) 62{
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63 device_t parent = device_get_parent(scp->dev); |
64 int32_t devno = (scp->unit << 1) + ATA_DEV(device); 65 int32_t error; 66 67 /* set our most pessimistic default mode */ 68 scp->mode[ATA_DEV(device)] = ATA_PIO; 69 70 if (!scp->bmaddr) 71 return; 72 73 /* if simplex controller, only allow DMA on primary channel */ 74 if (scp->unit == 1) { 75 outb(scp->bmaddr + ATA_BMSTAT_PORT, inb(scp->bmaddr + ATA_BMSTAT_PORT) & 76 (ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE)); 77 if (inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_DMA_SIMPLEX) { 78 ata_printf(scp, device, "simplex device, DMA on primary only\n"); 79 return; 80 } 81 } 82 83 if (!scp->dmatab[ATA_DEV(device)]) { 84 void *dmatab; 85 86 if (!(dmatab = malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT))) 87 return; 88 if (((uintptr_t)dmatab >> PAGE_SHIFT) ^ 89 (((uintptr_t)dmatab + PAGE_SIZE - 1) >> PAGE_SHIFT)) { 90 ata_printf(scp, device, "dmatab crosses page boundary, no DMA\n"); 91 free(dmatab, M_DEVBUF); 92 return; 93 } 94 scp->dmatab[ATA_DEV(device)] = dmatab; 95 } 96 97 switch (scp->chiptype) { 98 99 case 0x71118086: /* Intel PIIX4 */ 100 case 0x71998086: /* Intel PIIX4e */ 101 case 0x24118086: /* Intel ICH */ 102 case 0x24218086: /* Intel ICH0 */ 103 if (udmamode >= 2) { 104 int32_t mask48, new48; 105 106 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 107 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 108 if (bootverbose) 109 ata_printf(scp, device, "%s setting up UDMA2 mode on %s chip\n", 110 (error) ? "failed" : "success", 111 (scp->chiptype == 0x24118086) ? "ICH" : 112 (scp->chiptype == 0x24218086) ? "ICH0" :"PIIX4"); 113 if (!error) { 114 mask48 = (1 << devno) + (3 << (16 + (devno << 2))); 115 new48 = (1 << devno) + (2 << (16 + (devno << 2)));
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119 pci_write_config(scp->dev, 0x48,
120 (pci_read_config(scp->dev, 0x48, 4) &
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116 pci_write_config(parent, 0x48, 117 (pci_read_config(parent, 0x48, 4) & |
118 ~mask48) | new48, 4); 119 scp->mode[ATA_DEV(device)] = ATA_UDMA2; 120 return; 121 } 122 } 123 /* FALLTHROUGH */ 124 125 case 0x70108086: /* Intel PIIX3 */ 126 if (wdmamode >= 2 && apiomode >= 4) { 127 int32_t mask40, new40, mask44, new44; 128 129 /* if SITRE not set doit for both channels */
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133 if (!((pci_read_config(scp->dev, 0x40, 4)>>(scp->unit<<8))&0x4000)){
134 new40 = pci_read_config(scp->dev, 0x40, 4);
135 new44 = pci_read_config(scp->dev, 0x44, 4);
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130 if (!((pci_read_config(parent, 0x40, 4)>>(scp->unit<<8))&0x4000)){ 131 new40 = pci_read_config(parent, 0x40, 4); 132 new44 = pci_read_config(parent, 0x44, 4); |
133 if (!(new40 & 0x00004000)) { 134 new44 &= ~0x0000000f; 135 new44 |= ((new40&0x00003000)>>10)|((new40&0x00000300)>>8); 136 } 137 if (!(new40 & 0x40000000)) { 138 new44 &= ~0x000000f0; 139 new44 |= ((new40&0x30000000)>>22)|((new40&0x03000000)>>20); 140 } 141 new40 |= 0x40004000;
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145 pci_write_config(scp->dev, 0x40, new40, 4);
146 pci_write_config(scp->dev, 0x44, new44, 4);
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142 pci_write_config(parent, 0x40, new40, 4); 143 pci_write_config(parent, 0x44, new44, 4); |
144 } 145 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 146 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 147 if (bootverbose) 148 ata_printf(scp, device, "%s setting up WDMA2 mode on %s chip\n", 149 (error) ? "failed" : "success", 150 (scp->chiptype == 0x70108086) ? "PIIX3" : 151 (scp->chiptype == 0x24118086) ? "ICH" : 152 (scp->chiptype == 0x24218086) ? "ICH0" :"PIIX4"); 153 if (!error) { 154 if (device == ATA_MASTER) { 155 mask40 = 0x0000330f; 156 new40 = 0x00002307; 157 mask44 = 0; 158 new44 = 0; 159 } 160 else { 161 mask40 = 0x000000f0; 162 new40 = 0x00000070; 163 mask44 = 0x0000000f; 164 new44 = 0x0000000b; 165 } 166 if (scp->unit) { 167 mask40 <<= 16; 168 new40 <<= 16; 169 mask44 <<= 4; 170 new44 <<= 4; 171 }
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175 pci_write_config(scp->dev, 0x40,
176 (pci_read_config(scp->dev, 0x40, 4) & ~mask40)|
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172 pci_write_config(parent, 0x40, 173 (pci_read_config(parent, 0x40, 4) & ~mask40)| |
174 new40, 4);
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178 pci_write_config(scp->dev, 0x44,
179 (pci_read_config(scp->dev, 0x44, 4) & ~mask44)|
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175 pci_write_config(parent, 0x44, 176 (pci_read_config(parent, 0x44, 4) & ~mask44)| |
177 new44, 4); 178 scp->mode[ATA_DEV(device)] = ATA_WDMA2; 179 return; 180 } 181 } 182 /* we could set PIO mode timings, but we assume the BIOS did that */ 183 break; 184 185 case 0x12308086: /* Intel PIIX */ 186 if (wdmamode >= 2 && apiomode >= 4) { 187 int32_t word40; 188
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192 word40 = pci_read_config(scp->dev, 0x40, 4);
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189 word40 = pci_read_config(parent, 0x40, 4); |
190 word40 >>= scp->unit * 16; 191 192 /* Check for timing config usable for DMA on controller */ 193 if (!((word40 & 0x3300) == 0x2300 && 194 ((word40 >> (device == ATA_MASTER ? 0 : 4)) & 1) == 1)) 195 break; 196 197 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 198 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 199 if (bootverbose) 200 ata_printf(scp, device, 201 "%s setting up WDMA2 mode on PIIX chip\n", 202 (error) ? "failed" : "success"); 203 if (!error) { 204 scp->mode[ATA_DEV(device)] = ATA_WDMA2; 205 return; 206 } 207 } 208 break; 209 210 case 0x522910b9: /* AcerLabs Aladdin IV/V */ 211 /* the Aladdin doesn't support ATAPI DMA on both master & slave */ 212 if (scp->devices & ATA_ATAPI_MASTER && scp->devices & ATA_ATAPI_SLAVE) { 213 ata_printf(scp, device, 214 "Aladdin: two atapi devices on this channel, no DMA\n"); 215 break; 216 } 217 if (udmamode >= 2) {
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221 int32_t word54 = pci_read_config(scp->dev, 0x54, 4);
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218 int32_t word54 = pci_read_config(parent, 0x54, 4); |
219 220 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 221 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 222 if (bootverbose) 223 ata_printf(scp, device, 224 "%s setting up UDMA2 mode on Aladdin chip\n", 225 (error) ? "failed" : "success"); 226 if (!error) { 227 word54 |= 0x5555; 228 word54 |= (0x0a << (16 + (scp->unit << 3) + (device << 2)));
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232 pci_write_config(scp->dev, 0x54, word54, 4);
233 pci_write_config(scp->dev, 0x53,
234 pci_read_config(scp->dev, 0x53, 1) | 0x03, 1);
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229 pci_write_config(parent, 0x54, word54, 4); 230 pci_write_config(parent, 0x53, 231 pci_read_config(parent, 0x53, 1) | 0x03, 1); |
232 scp->flags |= ATA_ATAPI_DMA_RO; 233 scp->mode[ATA_DEV(device)] = ATA_UDMA2; 234 return; 235 } 236 } 237 if (wdmamode >= 2 && apiomode >= 4) { 238 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 239 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 240 if (bootverbose) 241 ata_printf(scp, device, 242 "%s setting up WDMA2 mode on Aladdin chip\n", 243 (error) ? "failed" : "success"); 244 if (!error) {
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248 pci_write_config(scp->dev, 0x53,
249 pci_read_config(scp->dev, 0x53, 1) | 0x03, 1);
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245 pci_write_config(parent, 0x53, 246 pci_read_config(parent, 0x53, 1) | 0x03, 1); |
247 scp->flags |= ATA_ATAPI_DMA_RO; 248 scp->mode[ATA_DEV(device)] = ATA_WDMA2; 249 return; 250 } 251 } 252 /* we could set PIO mode timings, but we assume the BIOS did that */ 253 break; 254 255 case 0x06861106: /* VIA 82C686 */ 256 if (udmamode >= 4) { 257 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 258 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); 259 if (bootverbose) 260 ata_printf(scp, device, 261 "%s setting up UDMA4 mode on VIA chip\n", 262 (error) ? "failed" : "success"); 263 if (!error) {
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267 pci_write_config(scp->dev, 0x53 - devno, 0xe8, 1);
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264 pci_write_config(parent, 0x53 - devno, 0xe8, 1); |
265 scp->mode[ATA_DEV(device)] = ATA_UDMA4; 266 return; 267 } 268 } 269 if (udmamode >= 2) { 270 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 271 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 272 if (bootverbose) 273 ata_printf(scp, device, 274 "%s setting up UDMA2 mode on VIA chip\n", 275 (error) ? "failed" : "success"); 276 if (!error) {
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280 pci_write_config(scp->dev, 0x53 - devno, 0xea, 1);
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277 pci_write_config(parent, 0x53 - devno, 0xea, 1); |
278 scp->mode[ATA_DEV(device)] = ATA_UDMA2; 279 return; 280 } 281 } 282 goto via_generic; 283 284 case 0x74091022: /* AMD 756 */ 285 if (udmamode >= 4) { 286 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 287 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); 288 if (bootverbose) 289 ata_printf(scp, device, 290 "%s setting up UDMA4 mode on AMD chip\n", 291 (error) ? "failed" : "success"); 292 if (!error) {
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296 pci_write_config(scp->dev, 0x53 - devno, 0xc3, 1);
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293 pci_write_config(parent, 0x53 - devno, 0xc3, 1); |
294 scp->mode[ATA_DEV(device)] = ATA_UDMA4; 295 return; 296 } 297 } 298 /* FALLTHROUGH */ 299 300 case 0x05961106: /* VIA 82C596 */ 301 case 0x05861106: /* VIA 82C586 */ 302 303 /* UDMA2 mode only on 82C586 > rev1, 82C596, AMD 756 */ 304 if ((udmamode >= 2 && scp->chiptype == 0x05861106 && 305 pci_read_config(scp->dev, 0x08, 1) >= 0x01) || 306 (udmamode >= 2 && scp->chiptype == 0x05961106) || 307 (udmamode >= 2 && scp->chiptype == 0x74091022)) { 308 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 309 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 310 if (bootverbose) 311 ata_printf(scp, device, "%s setting up UDMA2 mode on %s chip\n", 312 (error) ? "failed" : "success", 313 (scp->chiptype == 0x74091022) ? "AMD" : "VIA"); 314 if (!error) {
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318 pci_write_config(scp->dev, 0x53 - devno, 0xc0, 1);
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315 pci_write_config(parent, 0x53 - devno, 0xc0, 1); |
316 scp->mode[ATA_DEV(device)] = ATA_UDMA2; 317 return; 318 } 319 } 320 /* FALLTHROUGH */ 321 322 case 0x05711106: /* VIA 82C571 */ 323via_generic: 324 if (wdmamode >= 2 && apiomode >= 4) { 325 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 326 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 327 if (bootverbose) 328 ata_printf(scp, device, "%s setting up WDMA2 mode on %s chip\n", 329 (error) ? "failed" : "success", 330 (scp->chiptype == 0x74091022) ? "AMD" : "VIA"); 331 if (!error) {
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335 pci_write_config(scp->dev, 0x53 - devno, 0x82, 1);
336 pci_write_config(scp->dev, 0x4b - devno, 0x31, 1);
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332 pci_write_config(parent, 0x53 - devno, 0x82, 1); 333 pci_write_config(parent, 0x4b - devno, 0x31, 1); |
334 scp->mode[ATA_DEV(device)] = ATA_WDMA2; 335 return; 336 } 337 } 338 /* we could set PIO mode timings, but we assume the BIOS did that */ 339 break; 340 341 case 0x55131039: /* SiS 5591 */ 342 if (udmamode >= 2) { 343 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 344 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 345 if (bootverbose) 346 ata_printf(scp, device, 347 "%s setting up UDMA2 mode on SiS chip\n", 348 (error) ? "failed" : "success"); 349 if (!error) {
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353 pci_write_config(scp->dev, 0x40 + (devno << 1), 0xa301, 2);
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350 pci_write_config(parent, 0x40 + (devno << 1), 0xa301, 2); |
351 scp->mode[ATA_DEV(device)] = ATA_UDMA2; 352 return; 353 } 354 } 355 if (wdmamode >=2 && apiomode >= 4) { 356 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 357 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 358 if (bootverbose) 359 ata_printf(scp, device, 360 "%s setting up WDMA2 mode on SiS chip\n", 361 (error) ? "failed" : "success"); 362 if (!error) {
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366 pci_write_config(scp->dev, 0x40 + (devno << 1), 0x0301, 2);
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363 pci_write_config(parent, 0x40 + (devno << 1), 0x0301, 2); |
364 scp->mode[ATA_DEV(device)] = ATA_WDMA2; 365 return; 366 } 367 } 368 /* we could set PIO mode timings, but we assume the BIOS did that */ 369 break; 370
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371 case 0x06461095: /* CMD 646 ATA controller */ 372 if (wdmamode >= 2 && apiomode >= 4) { 373 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 374 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 375 if (bootverbose) 376 ata_printf(scp, device, 377 "%s setting up WDMA2 mode on CMD646 chip\n", 378 error ? "failed" : "success"); 379 if (!error) { 380 int32_t offset = (devno < 3) ? (devno << 1) : 7; 381 382 pci_write_config(parent, 0x54 + offset, 0x3f, 1); 383 scp->mode[ATA_DEV(device)] = ATA_WDMA2; 384 return; 385 } 386 } 387 /* we could set PIO mode timings, but we assume the BIOS did that */ 388 break; 389 |
390 case 0x4d33105a: /* Promise Ultra33 / FastTrak33 controllers */ 391 case 0x4d38105a: /* Promise Ultra66 / FastTrak66 controllers */ 392 /* the Promise can only do DMA on ATA disks not on ATAPI devices */ 393 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || 394 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) 395 break; 396 397 if (udmamode >=4 && scp->chiptype == 0x4d38105a &&
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382 !(pci_read_config(scp->dev, 0x50, 2)&(scp->unit ? 1<<11 : 1<<10))) {
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398 !(pci_read_config(parent, 0x50, 2)&(scp->unit ? 1<<11 : 1<<10))) { |
399 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 400 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); 401 if (bootverbose) 402 ata_printf(scp, device, 403 "%s setting up UDMA4 mode on Promise chip\n", 404 (error) ? "failed" : "success"); 405 if (!error) { 406 promise_timing(scp, devno, ATA_UDMA4); 407 scp->mode[ATA_DEV(device)] = ATA_UDMA4; 408 return; 409 } 410 } 411 if (udmamode >= 2) { 412 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 413 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 414 if (bootverbose) 415 ata_printf(scp, device, 416 "%s setting up UDMA2 mode on Promise chip\n", 417 (error) ? "failed" : "success"); 418 if (!error) { 419 promise_timing(scp, devno, ATA_UDMA2); 420 scp->mode[ATA_DEV(device)] = ATA_UDMA2; 421 return; 422 } 423 } 424 if (wdmamode >= 2 && apiomode >= 4) { 425 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 426 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 427 if (bootverbose) 428 ata_printf(scp, device, 429 "%s setting up WDMA2 mode on Promise chip\n", 430 (error) ? "failed" : "success"); 431 if (!error) { 432 promise_timing(scp, devno, ATA_WDMA2); 433 scp->mode[ATA_DEV(device)] = ATA_WDMA2; 434 return; 435 } 436 } 437 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 438 ata_pio2mode(apiomode), 439 ATA_C_F_SETXFER, ATA_WAIT_READY); 440 if (bootverbose) 441 ata_printf(scp, device, 442 "%s setting up PIO%d mode on Promise chip\n", 443 (error) ? "failed" : "success", 444 (apiomode >= 0) ? apiomode : 0); 445 promise_timing(scp, devno, ata_pio2mode(apiomode)); 446 scp->mode[ATA_DEV(device)] = ata_pio2mode(apiomode); 447 return; 448 449 case 0x00041103: /* HighPoint HPT366 controller */ 450 /* no ATAPI devices for now */ 451 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || 452 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) 453 break; 454
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439 if (udmamode >=4 && !(pci_read_config(scp->dev, 0x5a, 1) & 0x2)) {
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455 if (udmamode >=4 && !(pci_read_config(parent, 0x5a, 1) & 0x2)) { |
456 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 457 ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); 458 if (bootverbose) 459 ata_printf(scp, device, 460 "%s setting up UDMA4 mode on HPT366 chip\n", 461 (error) ? "failed" : "success"); 462 if (!error) { 463 hpt366_timing(scp, devno, ATA_UDMA4); 464 scp->mode[ATA_DEV(device)] = ATA_UDMA4; 465 return; 466 } 467 } 468 if (udmamode >= 2) { 469 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 470 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 471 if (bootverbose) 472 ata_printf(scp, device, 473 "%s setting up UDMA2 mode on HPT366 chip\n", 474 (error) ? "failed" : "success"); 475 if (!error) { 476 hpt366_timing(scp, devno, ATA_UDMA2); 477 scp->mode[ATA_DEV(device)] = ATA_UDMA2; 478 return; 479 } 480 } 481 if (wdmamode >= 2 && apiomode >= 4) { 482 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 483 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 484 if (bootverbose) 485 ata_printf(scp, device, 486 "%s setting up WDMA2 mode on HPT366 chip\n", 487 (error) ? "failed" : "success"); 488 if (!error) { 489 hpt366_timing(scp, devno, ATA_WDMA2); 490 scp->mode[ATA_DEV(device)] = ATA_WDMA2; 491 return; 492 } 493 } 494 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 495 ata_pio2mode(apiomode), 496 ATA_C_F_SETXFER, ATA_WAIT_READY); 497 if (bootverbose) 498 ata_printf(scp, device, "%s setting up PIO%d mode on HPT366 chip\n", 499 (error) ? "failed" : "success", 500 (apiomode >= 0) ? apiomode : 0); 501 hpt366_timing(scp, devno, ata_pio2mode(apiomode)); 502 scp->mode[ATA_DEV(device)] = ata_pio2mode(apiomode); 503 return; 504 505 default: /* unknown controller chip */ 506 /* better not try generic DMA on ATAPI devices it almost never works */ 507 if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || 508 (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) 509 break; 510 511 /* if controller says its setup for DMA take the easy way out */ 512 /* the downside is we dont know what DMA mode we are in */ 513 if ((udmamode >= 0 || wdmamode > 1) && 514 (inb(scp->bmaddr + ATA_BMSTAT_PORT) & 515 ((device==ATA_MASTER) ? 516 ATA_BMSTAT_DMA_MASTER : ATA_BMSTAT_DMA_SLAVE))) { 517 scp->mode[ATA_DEV(device)] = ATA_DMA; 518 return; 519 } 520 521 /* well, we have no support for this, but try anyways */ 522 if ((wdmamode >= 2 && apiomode >= 4) && scp->bmaddr) { 523 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 524 ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 525 if (bootverbose) 526 ata_printf(scp, device, 527 "%s setting up WDMA2 mode on generic chip\n", 528 (error) ? "failed" : "success"); 529 if (!error) { 530 scp->mode[ATA_DEV(device)] = ATA_WDMA2; 531 return; 532 } 533 } 534 } 535 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 536 ata_pio2mode(apiomode), ATA_C_F_SETXFER,ATA_WAIT_READY); 537 if (bootverbose) 538 ata_printf(scp, device, "%s setting up PIO%d mode on generic chip\n", 539 (error) ? "failed" : "success", apiomode < 0 ? 0 : apiomode); 540 if (!error) 541 scp->mode[ATA_DEV(device)] = ata_pio2mode(apiomode); 542 else 543 if (bootverbose) 544 ata_printf(scp, device, "using PIO mode set by BIOS\n"); 545} 546 547int32_t 548ata_dmasetup(struct ata_softc *scp, int32_t device, 549 int8_t *data, int32_t count, int32_t flags) 550{ 551 struct ata_dmaentry *dmatab; 552 u_int32_t dma_count, dma_base; 553 int32_t i = 0; 554 555 if (((uintptr_t)data & 1) || (count & 1)) 556 return -1; 557 558 if (!count) { 559 ata_printf(scp, device, "zero length DMA transfer attempted\n"); 560 return -1; 561 } 562 563 dmatab = scp->dmatab[ATA_DEV(device)]; 564 dma_base = vtophys(data); 565 dma_count = min(count, (PAGE_SIZE - ((uintptr_t)data & PAGE_MASK))); 566 data += dma_count; 567 count -= dma_count; 568 569 while (count) { 570 dmatab[i].base = dma_base; 571 dmatab[i].count = (dma_count & 0xffff); 572 i++; 573 if (i >= ATA_DMA_ENTRIES) { 574 ata_printf(scp, device, "too many segments in DMA table\n"); 575 return -1; 576 } 577 dma_base = vtophys(data); 578 dma_count = min(count, PAGE_SIZE); 579 data += min(count, PAGE_SIZE); 580 count -= min(count, PAGE_SIZE); 581 } 582 dmatab[i].base = dma_base; 583 dmatab[i].count = (dma_count & 0xffff) | ATA_DMA_EOT; 584 outl(scp->bmaddr + ATA_BMDTP_PORT, vtophys(dmatab)); 585 outb(scp->bmaddr + ATA_BMCMD_PORT, flags ? ATA_BMCMD_WRITE_READ:0); 586 outb(scp->bmaddr + ATA_BMSTAT_PORT, (inb(scp->bmaddr + ATA_BMSTAT_PORT) | 587 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR))); 588 return 0; 589} 590 591void 592ata_dmastart(struct ata_softc *scp) 593{ 594 scp->flags |= ATA_DMA_ACTIVE; 595 outb(scp->bmaddr + ATA_BMCMD_PORT, 596 inb(scp->bmaddr + ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP); 597} 598 599int32_t 600ata_dmadone(struct ata_softc *scp) 601{ 602 outb(scp->bmaddr + ATA_BMCMD_PORT, 603 inb(scp->bmaddr + ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); 604 scp->flags &= ~ATA_DMA_ACTIVE; 605 return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 606} 607 608int32_t 609ata_dmastatus(struct ata_softc *scp) 610{ 611 return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 612} 613 614static void 615promise_timing(struct ata_softc *scp, int32_t devno, int32_t mode) 616{ 617 u_int32_t timing = 0; 618 struct promise_timing { 619 u_int8_t pa:4; 620 u_int8_t prefetch:1; 621 u_int8_t iordy:1; 622 u_int8_t errdy:1; 623 u_int8_t syncin:1; 624 u_int8_t pb:5; 625 u_int8_t mb:3; 626 u_int8_t mc:4; 627 u_int8_t dmaw:1; 628 u_int8_t dmar:1; 629 u_int8_t iordyp:1; 630 u_int8_t dmarqp:1; 631 u_int8_t reserved:8; 632 } *t = (struct promise_timing*)&timing; 633 634 t->iordy = 1; t->iordyp = 1; 635 if (mode >= ATA_DMA) { 636 t->prefetch = 1; t->errdy = 1; t->syncin = 1; 637 } 638 639 switch (scp->chiptype) { 640 case 0x4d33105a: /* Promise 33's */ 641 switch (mode) { 642 default: 643 case ATA_PIO0: t->pa = 9; t->pb = 19; t->mb = 7; t->mc = 15; break; 644 case ATA_PIO1: t->pa = 5; t->pb = 12; t->mb = 7; t->mc = 15; break; 645 case ATA_PIO2: t->pa = 3; t->pb = 8; t->mb = 7; t->mc = 15; break; 646 case ATA_PIO3: t->pa = 2; t->pb = 6; t->mb = 7; t->mc = 15; break; 647 case ATA_PIO4: t->pa = 1; t->pb = 4; t->mb = 7; t->mc = 15; break; 648 case ATA_WDMA2: t->pa = 3; t->pb = 7; t->mb = 3; t->mc = 3; break; 649 case ATA_UDMA2: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break; 650 } 651 break; 652 653 case 0x4d38105a: /* Promise 66's */ 654 switch (mode) { 655 default: 656 case ATA_PIO0: t->pa = 15; t->pb = 31; t->mb = 7; t->mc = 15; break; 657 case ATA_PIO1: t->pa = 10; t->pb = 24; t->mb = 7; t->mc = 15; break; 658 case ATA_PIO2: t->pa = 6; t->pb = 16; t->mb = 7; t->mc = 15; break; 659 case ATA_PIO3: t->pa = 4; t->pb = 12; t->mb = 7; t->mc = 15; break; 660 case ATA_PIO4: t->pa = 2; t->pb = 8; t->mb = 7; t->mc = 15; break; 661 case ATA_WDMA2: t->pa = 6; t->pb = 14; t->mb = 6; t->mc = 6; break; 662 case ATA_UDMA2: t->pa = 6; t->pb = 14; t->mb = 2; t->mc = 2; break; 663 case ATA_UDMA4: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break; 664 } 665 break; 666 }
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651 pci_write_config(scp->dev, 0x60 + (devno << 2), timing, 4);
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667 pci_write_config(device_get_parent(scp->dev), 0x60 + (devno<<2), timing, 4); |
668} 669 670static void 671hpt366_timing(struct ata_softc *scp, int32_t devno, int32_t mode) 672{
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673 device_t parent = device_get_parent(scp->dev); |
674 u_int32_t timing; 675
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659 switch (pci_read_config(scp->dev, 0x41 + (devno << 2), 1)) {
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676 switch (pci_read_config(parent, 0x41 + (devno << 2), 1)) { |
677 case 0x85: /* 25Mhz */ 678 switch (mode) { 679 case ATA_PIO0: timing = 0xc0d08585; break; 680 case ATA_PIO1: timing = 0xc0d08572; break; 681 case ATA_PIO2: timing = 0xc0ca8542; break; 682 case ATA_PIO3: timing = 0xc0ca8532; break; 683 case ATA_PIO4: timing = 0xc0ca8521; break; 684 case ATA_WDMA2: timing = 0xa0ca8521; break; 685 case ATA_UDMA2: timing = 0x90cf8521; break; 686 case ATA_UDMA4: timing = 0x90c98521; break; 687 default: timing = 0x01208585; 688 } 689 break; 690 default: 691 case 0xa7: /* 33MHz */ 692 switch (mode) { 693 case ATA_PIO0: timing = 0xc0d0a7aa; break; 694 case ATA_PIO1: timing = 0xc0d0a7a3; break; 695 case ATA_PIO2: timing = 0xc0d0a753; break; 696 case ATA_PIO3: timing = 0xc0c8a742; break; 697 case ATA_PIO4: timing = 0xc0c8a731; break; 698 case ATA_WDMA2: timing = 0xa0c8a731; break; 699 case ATA_UDMA2: timing = 0x90caa731; break; 700 case ATA_UDMA4: timing = 0x90c9a731; break; 701 default: timing = 0x0120a7a7; 702 } 703 break; 704 case 0xd9: /* 40Mhz */ 705 switch (mode) { 706 case ATA_PIO0: timing = 0xc018d9d9; break; 707 case ATA_PIO1: timing = 0xc010d9c7; break; 708 case ATA_PIO2: timing = 0xc010d997; break; 709 case ATA_PIO3: timing = 0xc010d974; break; 710 case ATA_PIO4: timing = 0xc008d963; break; 711 case ATA_WDMA2: timing = 0xa008d943; break; 712 case ATA_UDMA2: timing = 0x900bd943; break; 713 case ATA_UDMA4: timing = 0x900fd943; break; 714 default: timing = 0x0120d9d9; 715 } 716 }
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700 pci_write_config(scp->dev, 0x40 + (devno << 2) , (timing & ~0x80000000), 4);
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717 pci_write_config(parent, 0x40 + (devno << 2) , (timing & ~0x80000000), 4); |
718} 719 720#else /* NPCI > 0 */ 721 722void 723ata_dmainit(struct ata_softc *scp, int32_t device, 724 int32_t piomode, int32_t wdmamode, int32_t udmamode) 725{ 726} 727 728int32_t 729ata_dmasetup(struct ata_softc *scp, int32_t device, 730 int8_t *data, int32_t count, int32_t flags) 731{ 732 return -1; 733} 734 735void 736ata_dmastart(struct ata_softc *scp) 737{ 738} 739 740int32_t 741ata_dmadone(struct ata_softc *scp) 742{ 743 return -1; 744} 745 746int32_t 747ata_dmastatus(struct ata_softc *scp) 748{ 749 return -1; 750} 751 752#endif /* NPCI > 0 */
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