Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/sparc64/include/bus.h
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1 /*- 2 * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 7 * NASA Ames Research Center. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 /* 38 * Copyright (c) 1997-1999 Eduardo E. Horvath. All rights reserved. 39 * Copyright (c) 1996 Charles M. Hannum. All rights reserved. 40 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed by Christopher G. Demetriou 53 * for the NetBSD Project. 54 * 4. The name of the author may not be used to endorse or promote products 55 * derived from this software without specific prior written permission 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 * 68 * from: NetBSD: bus.h,v 1.28 2001/07/19 15:32:19 thorpej Exp 69 * and 70 * from: FreeBSD: src/sys/alpha/include/bus.h,v 1.9 2001/01/09 71 * 72 * $FreeBSD: releng/6.0/sys/sparc64/include/bus.h 145253 2005-04-18 21:45:34Z imp $ 73 */ 74 75 #ifndef _MACHINE_BUS_H_ 76 #define _MACHINE_BUS_H_ 77 78 #ifdef BUS_SPACE_DEBUG 79 #include <sys/ktr.h> 80 #endif 81 82 #include <machine/_bus.h> 83 #include <machine/cpufunc.h> 84 #include <machine/upa.h> 85 86 /* 87 * UPA and SBUS spaces are non-cached and big endian 88 * (except for RAM and PROM) 89 * 90 * PCI spaces are non-cached and little endian 91 */ 92 #define UPA_BUS_SPACE 0 93 #define SBUS_BUS_SPACE 1 94 #define PCI_CONFIG_BUS_SPACE 2 95 #define PCI_IO_BUS_SPACE 3 96 #define PCI_MEMORY_BUS_SPACE 4 97 #define LAST_BUS_SPACE 5 98 99 extern int bus_type_asi[]; 100 extern int bus_stream_asi[]; 101 102 #define __BUS_SPACE_HAS_STREAM_METHODS 1 103 104 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 105 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 106 #define BUS_SPACE_MAXSIZE 0xFFFFFFFFFFFFFFFF 107 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF 108 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 109 #define BUS_SPACE_MAXADDR 0xFFFFFFFF 110 111 #define BUS_SPACE_UNRESTRICTED (~0) 112 113 /* 114 * Access methods for bus resources and address space. 115 */ 116 typedef struct bus_space_tag *bus_space_tag_t; 117 118 struct bus_space_tag { 119 void *bst_cookie; 120 bus_space_tag_t bst_parent; 121 int bst_type; 122 123 void (*bst_bus_barrier)(bus_space_tag_t, bus_space_handle_t, 124 bus_size_t, bus_size_t, int); 125 }; 126 127 /* 128 * Bus space function prototypes. 129 */ 130 static void bus_space_barrier(bus_space_tag_t, bus_space_handle_t, bus_size_t, 131 bus_size_t, int); 132 static int bus_space_subregion(bus_space_tag_t, bus_space_handle_t, 133 bus_size_t, bus_size_t, bus_space_handle_t *); 134 135 /* 136 * Map a region of device bus space into CPU virtual address space. 137 */ 138 139 static __inline int bus_space_map(bus_space_tag_t t, bus_addr_t addr, 140 bus_size_t size, int flags, 141 bus_space_handle_t *bshp); 142 143 static __inline int 144 bus_space_map(bus_space_tag_t t __unused, bus_addr_t addr, 145 bus_size_t size __unused, int flags __unused, 146 bus_space_handle_t *bshp) 147 { 148 149 *bshp = addr; 150 return (0); 151 } 152 153 /* 154 * Unmap a region of device bus space. 155 */ 156 static __inline void bus_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, 157 bus_size_t size); 158 159 static __inline void 160 bus_space_unmap(bus_space_tag_t t __unused, bus_space_handle_t bsh __unused, 161 bus_size_t size __unused) 162 { 163 } 164 165 /* This macro finds the first "upstream" implementation of method `f' */ 166 #define _BS_CALL(t,f) \ 167 while (t->f == NULL) \ 168 t = t->bst_parent; \ 169 return (*(t)->f) 170 171 static __inline void 172 bus_space_barrier(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 173 bus_size_t s, int f) 174 { 175 _BS_CALL(t, bst_bus_barrier)(t, h, o, s, f); 176 } 177 178 static __inline int 179 bus_space_subregion(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 180 bus_size_t s, bus_space_handle_t *hp) 181 { 182 *hp = h + o; 183 return (0); 184 } 185 186 /* flags for bus space map functions */ 187 #define BUS_SPACE_MAP_CACHEABLE 0x0001 188 #define BUS_SPACE_MAP_LINEAR 0x0002 189 #define BUS_SPACE_MAP_READONLY 0x0004 190 #define BUS_SPACE_MAP_PREFETCHABLE 0x0008 191 /* placeholders for bus functions... */ 192 #define BUS_SPACE_MAP_BUS1 0x0100 193 #define BUS_SPACE_MAP_BUS2 0x0200 194 #define BUS_SPACE_MAP_BUS3 0x0400 195 #define BUS_SPACE_MAP_BUS4 0x0800 196 197 /* flags for bus_space_barrier() */ 198 #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */ 199 #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */ 200 201 #ifdef BUS_SPACE_DEBUG 202 #define KTR_BUS KTR_CT2 203 #define BUS_HANDLE_MIN UPA_MEMSTART 204 #define __BUS_DEBUG_ACCESS(h, o, desc, sz) do { \ 205 CTR4(KTR_BUS, "bus space: %s %d: handle %#lx, offset %#lx", \ 206 (desc), (sz), (h), (o)); \ 207 if ((h) + (o) < BUS_HANDLE_MIN) \ 208 panic("bus space access at %#lx out of range", \ 209 (h) + (o)); \ 210 } while (0) 211 #else 212 #define __BUS_DEBUG_ACCESS(h, o, desc, sz) 213 #endif 214 215 static __inline uint8_t 216 bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 217 { 218 219 __BUS_DEBUG_ACCESS(h, o, "read", 1); 220 return (lduba_nc((caddr_t)(h + o), bus_type_asi[t->bst_type])); 221 } 222 223 static __inline uint16_t 224 bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 225 { 226 227 __BUS_DEBUG_ACCESS(h, o, "read", 2); 228 return (lduha_nc((caddr_t)(h + o), bus_type_asi[t->bst_type])); 229 } 230 231 static __inline uint32_t 232 bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 233 { 234 235 __BUS_DEBUG_ACCESS(h, o, "read", 4); 236 return (lduwa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type])); 237 } 238 239 static __inline uint64_t 240 bus_space_read_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 241 { 242 243 __BUS_DEBUG_ACCESS(h, o, "read", 8); 244 return (ldxa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type])); 245 } 246 247 static __inline void 248 bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 249 uint8_t *a, size_t c) 250 { 251 252 while (c-- > 0) 253 *a++ = bus_space_read_1(t, h, o); 254 } 255 256 static __inline void 257 bus_space_read_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 258 uint16_t *a, size_t c) 259 { 260 261 while (c-- > 0) 262 *a++ = bus_space_read_2(t, h, o); 263 } 264 265 static __inline void 266 bus_space_read_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 267 uint32_t *a, size_t c) 268 { 269 270 while (c-- > 0) 271 *a++ = bus_space_read_4(t, h, o); 272 } 273 274 static __inline void 275 bus_space_read_multi_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 276 uint64_t *a, size_t c) 277 { 278 279 while (c-- > 0) 280 *a++ = bus_space_read_8(t, h, o); 281 } 282 283 static __inline void 284 bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 285 uint8_t v) 286 { 287 288 __BUS_DEBUG_ACCESS(h, o, "write", 1); 289 stba_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v); 290 } 291 292 static __inline void 293 bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 294 uint16_t v) 295 { 296 297 __BUS_DEBUG_ACCESS(h, o, "write", 2); 298 stha_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v); 299 } 300 301 static __inline void 302 bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 303 uint32_t v) 304 { 305 306 __BUS_DEBUG_ACCESS(h, o, "write", 4); 307 stwa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v); 308 } 309 310 static __inline void 311 bus_space_write_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 312 uint64_t v) 313 { 314 315 __BUS_DEBUG_ACCESS(h, o, "write", 8); 316 stxa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v); 317 } 318 319 static __inline void 320 bus_space_write_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 321 uint8_t *a, size_t c) 322 { 323 324 while (c-- > 0) 325 bus_space_write_1(t, h, o, *a++); 326 } 327 328 static __inline void 329 bus_space_write_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 330 uint16_t *a, size_t c) 331 { 332 333 while (c-- > 0) 334 bus_space_write_2(t, h, o, *a++); 335 } 336 337 static __inline void 338 bus_space_write_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 339 uint32_t *a, size_t c) 340 { 341 342 while (c-- > 0) 343 bus_space_write_4(t, h, o, *a++); 344 } 345 346 static __inline void 347 bus_space_write_multi_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 348 uint64_t *a, size_t c) 349 { 350 351 while (c-- > 0) 352 bus_space_write_8(t, h, o, *a++); 353 } 354 355 static __inline void 356 bus_space_set_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 357 uint8_t v, size_t c) 358 { 359 360 while (c-- > 0) 361 bus_space_write_1(t, h, o, v); 362 } 363 364 static __inline void 365 bus_space_set_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 366 uint16_t v, size_t c) 367 { 368 369 while (c-- > 0) 370 bus_space_write_2(t, h, o, v); 371 } 372 373 static __inline void 374 bus_space_set_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 375 uint32_t v, size_t c) 376 { 377 378 while (c-- > 0) 379 bus_space_write_4(t, h, o, v); 380 } 381 382 static __inline void 383 bus_space_set_multi_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 384 uint64_t v, size_t c) 385 { 386 387 while (c-- > 0) 388 bus_space_write_8(t, h, o, v); 389 } 390 391 static __inline void 392 bus_space_read_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 393 u_int8_t *a, bus_size_t c) 394 { 395 for (; c; a++, c--, o++) 396 *a = bus_space_read_1(t, h, o); 397 } 398 399 static __inline void 400 bus_space_read_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 401 u_int16_t *a, bus_size_t c) 402 { 403 for (; c; a++, c--, o+=2) 404 *a = bus_space_read_2(t, h, o); 405 } 406 407 static __inline void 408 bus_space_read_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 409 u_int32_t *a, bus_size_t c) 410 { 411 for (; c; a++, c--, o+=4) 412 *a = bus_space_read_4(t, h, o); 413 } 414 415 static __inline void 416 bus_space_read_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 417 u_int64_t *a, bus_size_t c) 418 { 419 for (; c; a++, c--, o+=8) 420 *a = bus_space_read_8(t, h, o); 421 } 422 423 static __inline void 424 bus_space_write_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 425 const u_int8_t *a, bus_size_t c) 426 { 427 for (; c; a++, c--, o++) 428 bus_space_write_1(t, h, o, *a); 429 } 430 431 static __inline void 432 bus_space_write_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 433 const u_int16_t *a, bus_size_t c) 434 { 435 for (; c; a++, c--, o+=2) 436 bus_space_write_2(t, h, o, *a); 437 } 438 439 static __inline void 440 bus_space_write_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 441 const u_int32_t *a, bus_size_t c) 442 { 443 for (; c; a++, c--, o+=4) 444 bus_space_write_4(t, h, o, *a); 445 } 446 447 static __inline void 448 bus_space_write_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 449 const u_int64_t *a, bus_size_t c) 450 { 451 for (; c; a++, c--, o+=8) 452 bus_space_write_8(t, h, o, *a); 453 } 454 455 static __inline void 456 bus_space_set_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 457 const u_int8_t v, bus_size_t c) 458 { 459 for (; c; c--, o++) 460 bus_space_write_1(t, h, o, v); 461 } 462 463 static __inline void 464 bus_space_set_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 465 const u_int16_t v, bus_size_t c) 466 { 467 for (; c; c--, o+=2) 468 bus_space_write_2(t, h, o, v); 469 } 470 471 static __inline void 472 bus_space_set_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 473 const u_int32_t v, bus_size_t c) 474 { 475 for (; c; c--, o+=4) 476 bus_space_write_4(t, h, o, v); 477 } 478 479 static __inline void 480 bus_space_set_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 481 const u_int64_t v, bus_size_t c) 482 { 483 for (; c; c--, o+=8) 484 bus_space_write_8(t, h, o, v); 485 } 486 487 static __inline void 488 bus_space_copy_region_1(bus_space_tag_t t, bus_space_handle_t h1, 489 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 490 { 491 for (; c; c--, o1++, o2++) 492 bus_space_write_1(t, h1, o1, bus_space_read_1(t, h2, o2)); 493 } 494 495 static __inline void 496 bus_space_copy_region_2(bus_space_tag_t t, bus_space_handle_t h1, 497 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 498 { 499 for (; c; c--, o1+=2, o2+=2) 500 bus_space_write_2(t, h1, o1, bus_space_read_2(t, h2, o2)); 501 } 502 503 static __inline void 504 bus_space_copy_region_4(bus_space_tag_t t, bus_space_handle_t h1, 505 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 506 { 507 for (; c; c--, o1+=4, o2+=4) 508 bus_space_write_4(t, h1, o1, bus_space_read_4(t, h2, o2)); 509 } 510 511 static __inline void 512 bus_space_copy_region_8(bus_space_tag_t t, bus_space_handle_t h1, 513 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 514 { 515 for (; c; c--, o1+=8, o2+=8) 516 bus_space_write_8(t, h1, o1, bus_space_read_8(t, h2, o2)); 517 } 518 519 static __inline uint8_t 520 bus_space_read_stream_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 521 { 522 523 __BUS_DEBUG_ACCESS(h, o, "read stream", 1); 524 return (lduba_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type])); 525 } 526 527 static __inline uint16_t 528 bus_space_read_stream_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 529 { 530 531 __BUS_DEBUG_ACCESS(h, o, "read stream", 2); 532 return (lduha_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type])); 533 } 534 535 static __inline uint32_t 536 bus_space_read_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 537 { 538 539 __BUS_DEBUG_ACCESS(h, o, "read stream", 4); 540 return (lduwa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type])); 541 } 542 543 static __inline uint64_t 544 bus_space_read_stream_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 545 { 546 547 __BUS_DEBUG_ACCESS(h, o, "read stream", 8); 548 return (ldxa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type])); 549 } 550 551 static __inline void 552 bus_space_read_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h, 553 bus_size_t o, uint8_t *a, size_t c) 554 { 555 556 while (c-- > 0) 557 *a++ = bus_space_read_stream_1(t, h, o); 558 } 559 560 static __inline void 561 bus_space_read_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h, 562 bus_size_t o, uint16_t *a, size_t c) 563 { 564 565 while (c-- > 0) 566 *a++ = bus_space_read_stream_2(t, h, o); 567 } 568 569 static __inline void 570 bus_space_read_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h, 571 bus_size_t o, uint32_t *a, size_t c) 572 { 573 574 while (c-- > 0) 575 *a++ = bus_space_read_stream_4(t, h, o); 576 } 577 578 static __inline void 579 bus_space_read_multi_stream_8(bus_space_tag_t t, bus_space_handle_t h, 580 bus_size_t o, uint64_t *a, size_t c) 581 { 582 583 while (c-- > 0) 584 *a++ = bus_space_read_stream_8(t, h, o); 585 } 586 587 static __inline void 588 bus_space_write_stream_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 589 uint8_t v) 590 { 591 592 __BUS_DEBUG_ACCESS(h, o, "write stream", 1); 593 stba_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v); 594 } 595 596 static __inline void 597 bus_space_write_stream_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 598 uint16_t v) 599 { 600 601 __BUS_DEBUG_ACCESS(h, o, "write stream", 2); 602 stha_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v); 603 } 604 605 static __inline void 606 bus_space_write_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 607 uint32_t v) 608 { 609 610 __BUS_DEBUG_ACCESS(h, o, "write stream", 4); 611 stwa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v); 612 } 613 614 static __inline void 615 bus_space_write_stream_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 616 uint64_t v) 617 { 618 619 __BUS_DEBUG_ACCESS(h, o, "write stream", 8); 620 stxa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v); 621 } 622 623 static __inline void 624 bus_space_write_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h, 625 bus_size_t o, const uint8_t *a, size_t c) 626 { 627 628 while (c-- > 0) 629 bus_space_write_stream_1(t, h, o, *a++); 630 } 631 632 static __inline void 633 bus_space_write_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h, 634 bus_size_t o, const uint16_t *a, size_t c) 635 { 636 637 while (c-- > 0) 638 bus_space_write_stream_2(t, h, o, *a++); 639 } 640 641 static __inline void 642 bus_space_write_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h, 643 bus_size_t o, const uint32_t *a, size_t c) 644 { 645 646 while (c-- > 0) 647 bus_space_write_stream_4(t, h, o, *a++); 648 } 649 650 static __inline void 651 bus_space_write_multi_stream_8(bus_space_tag_t t, bus_space_handle_t h, 652 bus_size_t o, const uint64_t *a, size_t c) 653 { 654 655 while (c-- > 0) 656 bus_space_write_stream_8(t, h, o, *a++); 657 } 658 659 static __inline void 660 bus_space_set_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h, 661 bus_size_t o, uint8_t v, size_t c) 662 { 663 664 while (c-- > 0) 665 bus_space_write_stream_1(t, h, o, v); 666 } 667 668 static __inline void 669 bus_space_set_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h, 670 bus_size_t o, uint16_t v, size_t c) 671 { 672 673 while (c-- > 0) 674 bus_space_write_stream_2(t, h, o, v); 675 } 676 677 static __inline void 678 bus_space_set_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h, 679 bus_size_t o, uint32_t v, size_t c) 680 { 681 682 while (c-- > 0) 683 bus_space_write_stream_4(t, h, o, v); 684 } 685 686 static __inline void 687 bus_space_set_multi_stream_8(bus_space_tag_t t, bus_space_handle_t h, 688 bus_size_t o, uint64_t v, size_t c) 689 { 690 691 while (c-- > 0) 692 bus_space_write_stream_8(t, h, o, v); 693 } 694 695 static __inline void 696 bus_space_read_region_stream_1(bus_space_tag_t t, bus_space_handle_t h, 697 bus_size_t o, u_int8_t *a, bus_size_t c) 698 { 699 for (; c; a++, c--, o++) 700 *a = bus_space_read_stream_1(t, h, o); 701 } 702 703 static __inline void 704 bus_space_read_region_stream_2(bus_space_tag_t t, bus_space_handle_t h, 705 bus_size_t o, u_int16_t *a, bus_size_t c) 706 { 707 for (; c; a++, c--, o+=2) 708 *a = bus_space_read_stream_2(t, h, o); 709 } 710 711 static __inline void 712 bus_space_read_region_stream_4(bus_space_tag_t t, bus_space_handle_t h, 713 bus_size_t o, u_int32_t *a, bus_size_t c) 714 { 715 for (; c; a++, c--, o+=4) 716 *a = bus_space_read_stream_4(t, h, o); 717 } 718 719 static __inline void 720 bus_space_read_region_stream_8(bus_space_tag_t t, bus_space_handle_t h, 721 bus_size_t o, u_int64_t *a, bus_size_t c) 722 { 723 for (; c; a++, c--, o+=8) 724 *a = bus_space_read_stream_8(t, h, o); 725 } 726 727 static __inline void 728 bus_space_write_region_stream_1(bus_space_tag_t t, bus_space_handle_t h, 729 bus_size_t o, const u_int8_t *a, bus_size_t c) 730 { 731 for (; c; a++, c--, o++) 732 bus_space_write_stream_1(t, h, o, *a); 733 } 734 735 static __inline void 736 bus_space_write_region_stream_2(bus_space_tag_t t, bus_space_handle_t h, 737 bus_size_t o, const u_int16_t *a, bus_size_t c) 738 { 739 for (; c; a++, c--, o+=2) 740 bus_space_write_stream_2(t, h, o, *a); 741 } 742 743 static __inline void 744 bus_space_write_region_stream_4(bus_space_tag_t t, bus_space_handle_t h, 745 bus_size_t o, const u_int32_t *a, bus_size_t c) 746 { 747 for (; c; a++, c--, o+=4) 748 bus_space_write_stream_4(t, h, o, *a); 749 } 750 751 static __inline void 752 bus_space_write_region_stream_8(bus_space_tag_t t, bus_space_handle_t h, 753 bus_size_t o, const u_int64_t *a, bus_size_t c) 754 { 755 for (; c; a++, c--, o+=8) 756 bus_space_write_stream_8(t, h, o, *a); 757 } 758 759 static __inline void 760 bus_space_set_region_stream_1(bus_space_tag_t t, bus_space_handle_t h, 761 bus_size_t o, const u_int8_t v, bus_size_t c) 762 { 763 for (; c; c--, o++) 764 bus_space_write_stream_1(t, h, o, v); 765 } 766 767 static __inline void 768 bus_space_set_region_stream_2(bus_space_tag_t t, bus_space_handle_t h, 769 bus_size_t o, const u_int16_t v, bus_size_t c) 770 { 771 for (; c; c--, o+=2) 772 bus_space_write_stream_2(t, h, o, v); 773 } 774 775 static __inline void 776 bus_space_set_region_stream_4(bus_space_tag_t t, bus_space_handle_t h, 777 bus_size_t o, const u_int32_t v, bus_size_t c) 778 { 779 for (; c; c--, o+=4) 780 bus_space_write_stream_4(t, h, o, v); 781 } 782 783 static __inline void 784 bus_space_set_region_stream_8(bus_space_tag_t t, bus_space_handle_t h, 785 bus_size_t o, const u_int64_t v, bus_size_t c) 786 { 787 for (; c; c--, o+=8) 788 bus_space_write_stream_8(t, h, o, v); 789 } 790 791 static __inline void 792 bus_space_copy_region_stream_1(bus_space_tag_t t, bus_space_handle_t h1, 793 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 794 { 795 for (; c; c--, o1++, o2++) 796 bus_space_write_stream_1(t, h1, o1, bus_space_read_stream_1(t, h2, 797 o2)); 798 } 799 800 static __inline void 801 bus_space_copy_region_stream_2(bus_space_tag_t t, bus_space_handle_t h1, 802 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 803 { 804 for (; c; c--, o1+=2, o2+=2) 805 bus_space_write_stream_2(t, h1, o1, bus_space_read_stream_2(t, h2, 806 o2)); 807 } 808 809 static __inline void 810 bus_space_copy_region_stream_4(bus_space_tag_t t, bus_space_handle_t h1, 811 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 812 { 813 for (; c; c--, o1+=4, o2+=4) 814 bus_space_write_stream_4(t, h1, o1, bus_space_read_stream_4(t, h2, 815 o2)); 816 } 817 818 static __inline void 819 bus_space_copy_region_stream_8(bus_space_tag_t t, bus_space_handle_t h1, 820 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 821 { 822 for (; c; c--, o1+=8, o2+=8) 823 bus_space_write_stream_8(t, h1, o1, bus_space_read_8(t, h2, o2)); 824 } 825 826 static __inline int 827 bus_space_peek_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 828 u_int8_t *a) 829 { 830 831 __BUS_DEBUG_ACCESS(h, o, "peek", 1); 832 return (fasword8(bus_type_asi[t->bst_type], (caddr_t)(h + o), a)); 833 } 834 835 static __inline int 836 bus_space_peek_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 837 u_int16_t *a) 838 { 839 840 __BUS_DEBUG_ACCESS(h, o, "peek", 2); 841 return (fasword16(bus_type_asi[t->bst_type], (caddr_t)(h + o), a)); 842 } 843 844 static __inline int 845 bus_space_peek_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 846 u_int32_t *a) 847 { 848 849 __BUS_DEBUG_ACCESS(h, o, "peek", 4); 850 return (fasword32(bus_type_asi[t->bst_type], (caddr_t)(h + o), a)); 851 } 852 853 /* Back-compat functions for old ISA drivers */ 854 extern bus_space_tag_t isa_io_bt; 855 extern bus_space_handle_t isa_io_hdl; 856 extern bus_space_tag_t isa_mem_bt; 857 extern bus_space_handle_t isa_mem_hdl; 858 859 #define inb(o) bus_space_read_1(isa_io_bt, isa_io_hdl, o) 860 #define inw(o) bus_space_read_2(isa_io_bt, isa_io_hdl, o) 861 #define inl(o) bus_space_read_4(isa_io_bt, isa_io_hdl, o) 862 #define outb(o, v) bus_space_write_1(isa_io_bt, isa_io_hdl, o, v) 863 #define outw(o, v) bus_space_write_2(isa_io_bt, isa_io_hdl, o, v) 864 #define outl(o, v) bus_space_write_4(isa_io_bt, isa_io_hdl, o, v) 865 866 #define readb(o) bus_space_read_1(isa_mem_bt, isa_mem_hdl, o) 867 #define readw(o) bus_space_read_2(isa_mem_bt, isa_mem_hdl, o) 868 #define readl(o) bus_space_read_4(isa_mem_bt, isa_mem_hdl, o) 869 #define writeb(o, v) bus_space_write_1(isa_mem_bt, isa_mem_hdl, o, v) 870 #define writew(o, v) bus_space_write_2(isa_mem_bt, isa_mem_hdl, o, v) 871 #define writel(o, v) bus_space_write_4(isa_mem_bt, isa_mem_hdl, o, v) 872 873 #define insb(o, a, c) \ 874 bus_space_read_multi_1(isa_io_bt, isa_io_hdl, o, (void*)a, c) 875 #define insw(o, a, c) \ 876 bus_space_read_multi_2(isa_io_bt, isa_io_hdl, o, (void*)a, c) 877 #define insl(o, a, c) \ 878 bus_space_read_multi_4(isa_io_bt, isa_io_hdl, o, (void*)a, c) 879 #define outsb(o, a, c) \ 880 bus_space_write_multi_1(isa_io_bt, isa_io_hdl, o, (void*)a, c) 881 #define outsw(o, a, c) \ 882 bus_space_write_multi_2(isa_io_bt, isa_io_hdl, o, (void*)a, c) 883 #define outsl(o, a, c) \ 884 bus_space_write_multi_4(isa_io_bt, isa_io_hdl, o, (void*)a, c) 885 886 #define memcpy_fromio(d, s, c) \ 887 bus_space_read_region_1(isa_mem_bt, isa_mem_hdl, s, d, c) 888 #define memcpy_toio(d, s, c) \ 889 bus_space_write_region_1(isa_mem_bt, isa_mem_hdl, d, s, c) 890 #define memcpy_io(d, s, c) \ 891 bus_space_copy_region_1(isa_mem_bt, isa_mem_hdl, s, isa_mem_hdl, d, c) 892 #define memset_io(d, v, c) \ 893 bus_space_set_region_1(isa_mem_bt, isa_mem_hdl, d, v, c) 894 #define memsetw_io(d, v, c) \ 895 bus_space_set_region_2(isa_mem_bt, isa_mem_hdl, d, v, c) 896 897 static __inline void 898 memsetw(void *d, int val, size_t size) 899 { 900 u_int16_t *sp = d; 901 902 while (size--) 903 *sp++ = val; 904 } 905 906 #include <machine/bus_dma.h> 907 908 #endif /* !_MACHINE_BUS_H_ */
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