1/* $NetBSD: bus_funcs.h,v 1.2 2022/03/10 00:14:16 riastradh Exp $ */ 2/* $OpenBSD: bus.h,v 1.1 1997/10/13 10:53:42 pefo Exp $ */ 3 4/*- 5 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 10 * NASA Ames Research Center. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34/* 35 * Copyright (c) 1996 Charles M. Hannum. All rights reserved. 36 * Copyright (c) 1996 Jason R. Thorpe. All rights reserved. 37 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. All advertising materials mentioning features or use of this software 48 * must display the following acknowledgement: 49 * This product includes software developed by Christopher G. Demetriou 50 * for the NetBSD Project. 51 * 4. The name of the author may not be used to endorse or promote products 52 * derived from this software without specific prior written permission 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66/* 67 * Copyright (c) 1997 Per Fogelstrom. All rights reserved. 68 * Copyright (c) 1996 Niklas Hallqvist. All rights reserved. 69 * 70 * Redistribution and use in source and binary forms, with or without 71 * modification, are permitted provided that the following conditions 72 * are met: 73 * 1. Redistributions of source code must retain the above copyright 74 * notice, this list of conditions and the following disclaimer. 75 * 2. Redistributions in binary form must reproduce the above copyright 76 * notice, this list of conditions and the following disclaimer in the 77 * documentation and/or other materials provided with the distribution. 78 * 3. All advertising materials mentioning features or use of this software 79 * must display the following acknowledgement: 80 * This product includes software developed by Christopher G. Demetriou 81 * for the NetBSD Project. 82 * 4. The name of the author may not be used to endorse or promote products 83 * derived from this software without specific prior written permission 84 * 85 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 86 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 87 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 88 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 89 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 90 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 91 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 92 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 93 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 94 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 95 */ 96 97#ifndef _POWERPC_BUS_FUNCS_H_ 98#define _POWERPC_BUS_FUNCS_H_ 99 100#ifndef __HAVE_LOCAL_BUS_SPACE 101 102#ifdef __STDC__ 103#define CAT(a,b) a##b 104#define CAT3(a,b,c) a##b##c 105#else 106#define CAT(a,b) a/**/b 107#define CAT3(a,b,c) a/**/b/**/c 108#endif 109 110int bus_space_init(struct powerpc_bus_space *, const char *, void *, size_t); 111void bus_space_mallocok(void); 112 113/* 114 * Access methods for bus resources 115 */ 116 117/* 118 * void *bus_space_vaddr (bus_space_tag_t, bus_space_handle_t); 119 * 120 * Get the kernel virtual address for the mapped bus space. 121 * Only allowed for regions mapped with BUS_SPACE_MAP_LINEAR. 122 * (XXX not enforced) 123 */ 124#define bus_space_vaddr(t, h) ((void *)(h)) 125 126/* 127 * paddr_t bus_space_mmap (bus_space_tag_t t, bus_addr_t addr, 128 * off_t offset, int prot, int flags); 129 * 130 * Mmap a region of bus space. 131 */ 132 133#define bus_space_mmap(t, b, o, p, f) \ 134 ((*(t)->pbs_mmap)((t), (b), (o), (p), (f))) 135 136/* 137 * int bus_space_map (bus_space_tag_t t, bus_addr_t addr, 138 * bus_size_t size, int flags, bus_space_handle_t *bshp); 139 * 140 * Map a region of bus space. 141 */ 142 143#define bus_space_map(t, a, s, f, hp) \ 144 ((*(t)->pbs_map)((t), (a), (s), (f), (hp))) 145 146/* 147 * int bus_space_unmap (bus_space_tag_t t, 148 * bus_space_handle_t bsh, bus_size_t size); 149 * 150 * Unmap a region of bus space. 151 */ 152 153#define bus_space_unmap(t, h, s) \ 154 ((void)(*(t)->pbs_unmap)((t), (h), (s))) 155 156/* 157 * int bus_space_subregion (bus_space_tag_t t, 158 * bus_space_handle_t bsh, bus_size_t offset, bus_size_t size, 159 * bus_space_handle_t *nbshp); 160 * 161 * Get a new handle for a subregion of an already-mapped area of bus space. 162 */ 163 164#define bus_space_subregion(t, h, o, s, hp) \ 165 ((*(t)->pbs_subregion)((t), (h), (o), (s), (hp))) 166 167/* 168 * int bus_space_alloc (bus_space_tag_t t, bus_addr_t rstart, 169 * bus_addr_t rend, bus_size_t size, bus_size_t align, 170 * bus_size_t boundary, int flags, bus_addr_t *bpap, 171 * bus_space_handle_t *bshp); 172 * 173 * Allocate a region of bus space. 174 */ 175 176#define bus_space_alloc(t, rs, re, s, a, b, f, ap, hp) \ 177 ((*(t)->pbs_alloc)((t), (rs), (re), (s), (a), (b), (f), (ap), (hp))) 178 179/* 180 * int bus_space_free (bus_space_tag_t t, 181 * bus_space_handle_t bsh, bus_size_t size); 182 * 183 * Free a region of bus space. 184 */ 185 186#define bus_space_free(t, h, s) \ 187 ((void)(*(t)->pbs_free)((t), (h), (s))) 188 189/* 190 * uintN_t bus_space_read_N (bus_space_tag_t tag, 191 * bus_space_handle_t bsh, bus_size_t offset); 192 * 193 * Read a 1, 2, 4, or 8 byte quantity from bus space 194 * described by tag/handle/offset. 195 */ 196 197#define bus_space_read_1(t, h, o) \ 198 ((*(t)->pbs_scalar.pbss_read_1)((t), (h), (o))) 199#define bus_space_read_2(t, h, o) \ 200 ((*(t)->pbs_scalar.pbss_read_2)((t), (h), (o))) 201#define bus_space_read_4(t, h, o) \ 202 ((*(t)->pbs_scalar.pbss_read_4)((t), (h), (o))) 203#define bus_space_read_8(t, h, o) \ 204 ((*(t)->pbs_scalar.pbss_read_8)((t), (h), (o))) 205 206/* 207 * uintN_t bus_space_read_stream_N (bus_space_tag_t tag, 208 * bus_space_handle_t bsh, bus_size_t offset); 209 * 210 * Read a 2, 4, or 8 byte quantity from bus space 211 * described by tag/handle/offset ignoring endianness. 212 */ 213 214#define bus_space_read_stream_2(t, h, o) \ 215 ((*(t)->pbs_scalar_stream.pbss_read_2)((t), (h), (o))) 216#define bus_space_read_stream_4(t, h, o) \ 217 ((*(t)->pbs_scalar_stream.pbss_read_4)((t), (h), (o))) 218#define bus_space_read_stream_8(t, h, o) \ 219 ((*(t)->pbs_scalar_stream.pbss_read_8)((t), (h), (o))) 220 221/* 222 * void bus_space_read_multi_N _P((bus_space_tag_t tag, 223 * bus_space_handle_t bsh, bus_size_t offset, 224 * uintN_t *addr, size_t count); 225 * 226 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 227 * described by tag/handle/offset and copy into buffer provided. 228 */ 229 230#define bus_space_read_multi_1(t, h, o, a, c) \ 231 ((*(t)->pbs_multi->pbsg_read_1)((t), (h), (o), (a), (c))) 232#define bus_space_read_multi_2(t, h, o, a, c) \ 233 ((*(t)->pbs_multi->pbsg_read_2)((t), (h), (o), (a), (c))) 234#define bus_space_read_multi_4(t, h, o, a, c) \ 235 ((*(t)->pbs_multi->pbsg_read_4)((t), (h), (o), (a), (c))) 236#define bus_space_read_multi_8(t, h, o, a, c) \ 237 ((*(t)->pbs_multi->pbsg_read_8)((t), (h), (o), (a), (c))) 238 239/* 240 * void bus_space_read_multi_stream_N (bus_space_tag_t tag, 241 * bus_space_handle_t bsh, bus_size_t offset, 242 * uintN_t *addr, size_t count); 243 * 244 * Read `count' 2, 4, or 8 byte stream quantities from bus space 245 * described by tag/handle/offset and copy into buffer provided. 246 */ 247 248#define bus_space_read_multi_stream_2(t, h, o, a, c) \ 249 ((*(t)->pbs_multi_stream->pbsg_read_2)((t), (h), (o), (a), (c))) 250#define bus_space_read_multi_stream_4(t, h, o, a, c) \ 251 ((*(t)->pbs_multi_stream->pbsg_read_4)((t), (h), (o), (a), (c))) 252#define bus_space_read_multi_stream_8(t, h, o, a, c) \ 253 ((*(t)->pbs_multi_stream->pbsg_read_8)((t), (h), (o), (a), (c))) 254 255/* 256 * void bus_space_write_N (bus_space_tag_t tag, 257 * bus_space_handle_t bsh, bus_size_t offset, 258 * uintN_t value); 259 * 260 * Write the 1, 2, 4, or 8 byte value `value' to bus space 261 * described by tag/handle/offset. 262 */ 263 264#define bus_space_write_1(t, h, o, v) \ 265 ((*(t)->pbs_scalar.pbss_write_1)((t), (h), (o), (v))) 266#define bus_space_write_2(t, h, o, v) \ 267 ((*(t)->pbs_scalar.pbss_write_2)((t), (h), (o), (v))) 268#define bus_space_write_4(t, h, o, v) \ 269 ((*(t)->pbs_scalar.pbss_write_4)((t), (h), (o), (v))) 270#define bus_space_write_8(t, h, o, v) \ 271 ((*(t)->pbs_scalar.pbss_write_8)((t), (h), (o), (v))) 272 273/* 274 * void bus_space_write_stream_N (bus_space_tag_t tag, 275 * bus_space_handle_t bsh, bus_size_t offset, 276 * uintN_t value); 277 * 278 * Write the 2, 4, or 8 byte stream value `value' to bus space 279 * described by tag/handle/offset. 280 */ 281 282#define bus_space_write_stream_1(t, h, o, v) \ 283 ((*(t)->pbs_scalar_stream.pbss_write_1)((t), (h), (o), (v))) 284#define bus_space_write_stream_2(t, h, o, v) \ 285 ((*(t)->pbs_scalar_stream.pbss_write_2)((t), (h), (o), (v))) 286#define bus_space_write_stream_4(t, h, o, v) \ 287 ((*(t)->pbs_scalar_stream.pbss_write_4)((t), (h), (o), (v))) 288#define bus_space_write_stream_8(t, h, o, v) \ 289 ((*(t)->pbs_scalar_stream.pbss_write_8)((t), (h), (o), (v))) 290 291/* 292 * void bus_space_write_multi_N (bus_space_tag_t tag, 293 * bus_space_handle_t bsh, bus_size_t offset, 294 * const uintN_t *addr, size_t count); 295 * 296 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer 297 * provided to bus space described by tag/handle/offset. 298 */ 299 300#define bus_space_write_multi_1(t, h, o, a, c) \ 301 ((*(t)->pbs_multi->pbsg_write_1)((t), (h), (o), (a), (c))) 302#define bus_space_write_multi_2(t, h, o, a, c) \ 303 ((*(t)->pbs_multi->pbsg_write_2)((t), (h), (o), (a), (c))) 304#define bus_space_write_multi_4(t, h, o, a, c) \ 305 ((*(t)->pbs_multi->pbsg_write_4)((t), (h), (o), (a), (c))) 306#define bus_space_write_multi_8(t, h, o, a, c) \ 307 ((*(t)->pbs_multi->pbsg_write_8)((t), (h), (o), (a), (c))) 308 309/* 310 * void bus_space_write_multi_stream_N (bus_space_tag_t tag, 311 * bus_space_handle_t bsh, bus_size_t offset, 312 * const uintN_t *addr, size_t count); 313 * 314 * Write `count' 2, 4, or 8 byte stream quantities from the buffer 315 * provided to bus space described by tag/handle/offset. 316 */ 317 318#define bus_space_write_multi_stream_1(t, h, o, a, c) \ 319 ((*(t)->pbs_multi_stream->pbsg_write_1)((t), (h), (o), (a), (c))) 320#define bus_space_write_multi_stream_2(t, h, o, a, c) \ 321 ((*(t)->pbs_multi_stream->pbsg_write_2)((t), (h), (o), (a), (c))) 322#define bus_space_write_multi_stream_4(t, h, o, a, c) \ 323 ((*(t)->pbs_multi_stream->pbsg_write_4)((t), (h), (o), (a), (c))) 324#define bus_space_write_multi_stream_8(t, h, o, a, c) \ 325 ((*(t)->pbs_multi_stream->pbsg_write_8)((t), (h), (o), (a), (c))) 326 327/* 328 * void bus_space_read_region_N (bus_space_tag_t tag, 329 * bus_space_handle_t bsh, bus_size_t offset, 330 * uintN_t *addr, size_t count); 331 * 332 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 333 * described by tag/handle and starting at `offset' and copy into 334 * buffer provided. 335 */ 336#define bus_space_read_region_1(t, h, o, a, c) \ 337 ((*(t)->pbs_region->pbsg_read_1)((t), (h), (o), (a), (c))) 338#define bus_space_read_region_2(t, h, o, a, c) \ 339 ((*(t)->pbs_region->pbsg_read_2)((t), (h), (o), (a), (c))) 340#define bus_space_read_region_4(t, h, o, a, c) \ 341 ((*(t)->pbs_region->pbsg_read_4)((t), (h), (o), (a), (c))) 342#define bus_space_read_region_8(t, h, o, a, c) \ 343 ((*(t)->pbs_region->pbsg_read_8)((t), (h), (o), (a), (c))) 344 345/* 346 * void bus_space_read_region_stream_N (bus_space_tag_t tag, 347 * bus_space_handle_t bsh, bus_size_t offset, 348 * uintN_t *addr, size_t count); 349 * 350 * Read `count' 2, 4, or 8 byte stream quantities from bus space 351 * described by tag/handle and starting at `offset' and copy into 352 * buffer provided. 353 */ 354#define bus_space_read_region_stream_2(t, h, o, a, c) \ 355 ((*(t)->pbs_region_stream->pbsg_read_2)((t), (h), (o), (a), (c))) 356#define bus_space_read_region_stream_4(t, h, o, a, c) \ 357 ((*(t)->pbs_region_stream->pbsg_read_4)((t), (h), (o), (a), (c))) 358#define bus_space_read_region_stream_8(t, h, o, a, c) \ 359 ((*(t)->pbs_region_stream->pbsg_read_8)((t), (h), (o), (a), (c))) 360 361/* 362 * void bus_space_write_region_N (bus_space_tag_t tag, 363 * bus_space_handle_t bsh, bus_size_t offset, 364 * const uintN_t *addr, size_t count); 365 * 366 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided 367 * to bus space described by tag/handle starting at `offset'. 368 */ 369#define bus_space_write_region_1(t, h, o, a, c) \ 370 ((*(t)->pbs_region->pbsg_write_1)((t), (h), (o), (a), (c))) 371#define bus_space_write_region_2(t, h, o, a, c) \ 372 ((*(t)->pbs_region->pbsg_write_2)((t), (h), (o), (a), (c))) 373#define bus_space_write_region_4(t, h, o, a, c) \ 374 ((*(t)->pbs_region->pbsg_write_4)((t), (h), (o), (a), (c))) 375#define bus_space_write_region_8(t, h, o, a, c) \ 376 ((*(t)->pbs_region->pbsg_write_8)((t), (h), (o), (a), (c))) 377 378/* 379 * void bus_space_write_region_stream_N (bus_space_tag_t tag, 380 * bus_space_handle_t bsh, bus_size_t offset, 381 * const uintN_t *addr, size_t count); 382 * 383 * Write `count' 2, 4, or 8 byte stream quantities from the buffer provided 384 * to bus space described by tag/handle starting at `offset'. 385 */ 386#define bus_space_write_region_stream_2(t, h, o, a, c) \ 387 ((*(t)->pbs_region_stream->pbsg_write_2)((t), (h), (o), (a), (c))) 388#define bus_space_write_region_stream_4(t, h, o, a, c) \ 389 ((*(t)->pbs_region_stream->pbsg_write_4)((t), (h), (o), (a), (c))) 390#define bus_space_write_region_stream_8(t, h, o, a, c) \ 391 ((*(t)->pbs_region_stream->pbsg_write_8)((t), (h), (o), (a), (c))) 392 393#if 0 394/* 395 * void bus_space_set_multi_N (bus_space_tag_t tag, 396 * bus_space_handle_t bsh, bus_size_t offset, uintN_t val, 397 * size_t count); 398 * 399 * Write the 1, 2, 4, or 8 byte value `val' to bus space described 400 * by tag/handle/offset `count' times. 401 */ 402#define bus_space_set_multi_1(t, h, o, v, c) 403 ((*(t)->pbs_set_multi_1)((t), (h), (o), (v), (c))) 404#define bus_space_set_multi_2(t, h, o, v, c) 405 ((*(t)->pbs_set_multi_2)((t), (h), (o), (v), (c))) 406#define bus_space_set_multi_4(t, h, o, v, c) 407 ((*(t)->pbs_set_multi_4)((t), (h), (o), (v), (c))) 408#define bus_space_set_multi_8(t, h, o, v, c) 409 ((*(t)->pbs_set_multi_8)((t), (h), (o), (v), (c))) 410 411/* 412 * void bus_space_set_multi_stream_N (bus_space_tag_t tag, 413 * bus_space_handle_t bsh, bus_size_t offset, uintN_t val, 414 * size_t count); 415 * 416 * Write the 2, 4, or 8 byte stream value `val' to bus space described 417 * by tag/handle/offset `count' times. 418 */ 419#define bus_space_set_multi_stream_2(t, h, o, v, c) 420 ((*(t)->pbs_set_multi_stream_2)((t), (h), (o), (v), (c))) 421#define bus_space_set_multi_stream_4(t, h, o, v, c) 422 ((*(t)->pbs_set_multi_stream_4)((t), (h), (o), (v), (c))) 423#define bus_space_set_multi_stream_8(t, h, o, v, c) 424 ((*(t)->pbs_set_multi_stream_8)((t), (h), (o), (v), (c))) 425 426#endif 427 428/* 429 * void bus_space_set_region_N (bus_space_tag_t tag, 430 * bus_space_handle_t bsh, bus_size_t offset, uintN_t val, 431 * size_t count); 432 * 433 * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described 434 * by tag/handle starting at `offset'. 435 */ 436#define bus_space_set_region_1(t, h, o, v, c) \ 437 ((*(t)->pbs_set->pbss_set_1)((t), (h), (o), (v), (c))) 438#define bus_space_set_region_2(t, h, o, v, c) \ 439 ((*(t)->pbs_set->pbss_set_2)((t), (h), (o), (v), (c))) 440#define bus_space_set_region_4(t, h, o, v, c) \ 441 ((*(t)->pbs_set->pbss_set_4)((t), (h), (o), (v), (c))) 442#define bus_space_set_region_8(t, h, o, v, c) \ 443 ((*(t)->pbs_set->pbss_set_8)((t), (h), (o), (v), (c))) 444 445/* 446 * void bus_space_set_region_stream_N (bus_space_tag_t tag, 447 * bus_space_handle_t bsh, bus_size_t offset, uintN_t val, 448 * size_t count); 449 * 450 * Write `count' 2, 4, or 8 byte stream value `val' to bus space described 451 * by tag/handle starting at `offset'. 452 */ 453#define bus_space_set_region_stream_2(t, h, o, v, c) \ 454 ((*(t)->pbs_set_stream->pbss_set_2)((t), (h), (o), (v), (c))) 455#define bus_space_set_region_stream_4(t, h, o, v, c) \ 456 ((*(t)->pbs_set_stream->pbss_set_4)((t), (h), (o), (v), (c))) 457#define bus_space_set_region_stream_8(t, h, o, v, c) \ 458 ((*(t)->pbs_set_stream->pbss_set_8)((t), (h), (o), (v), (c))) 459 460 461/* 462 * void bus_space_copy_region_N (bus_space_tag_t tag, 463 * bus_space_handle_t bsh1, bus_size_t off1, 464 * bus_space_handle_t bsh2, bus_size_t off2, 465 * size_t count); 466 * 467 * Copy `count' 1, 2, 4, or 8 byte values from bus space starting 468 * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2. 469 */ 470#define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 471 ((*(t)->pbs_copy->pbsc_copy_1)((t), (h1), (o1), (h2), (o2), (c))) 472#define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 473 ((*(t)->pbs_copy->pbsc_copy_2)((t), (h1), (o1), (h2), (o2), (c))) 474#define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 475 ((*(t)->pbs_copy->pbsc_copy_4)((t), (h1), (o1), (h2), (o2), (c))) 476#define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 477 ((*(t)->pbs_copy->pbsc_copy_8)((t), (h1), (o1), (h2), (o2), (c))) 478 479/* 480 * Bus read/write barrier methods. 481 * 482 * void bus_space_barrier (bus_space_tag_t tag, 483 * bus_space_handle_t bsh, bus_size_t offset, 484 * bus_size_t len, int flags); 485 * 486 */ 487#define bus_space_barrier(t, h, o, l, f) \ 488 ((*(t)->pbs_barrier)((t), (h), (o), (l), (f))) 489 490#endif /* !__HAVE_LOCAL_BUS_SPACE */ 491 492/* 493 * Bus DMA methods. 494 */ 495 496/* Forwards needed by prototypes below. */ 497struct proc; 498struct mbuf; 499struct uio; 500 501#define bus_dmamap_create(t, s, n, m, b, f, p) \ 502 (*(t)->_dmamap_create)((t), (s), (n), (m), (b), (f), (p)) 503#define bus_dmamap_destroy(t, p) \ 504 (*(t)->_dmamap_destroy)((t), (p)) 505#define bus_dmamap_load(t, m, b, s, p, f) \ 506 (*(t)->_dmamap_load)((t), (m), (b), (s), (p), (f)) 507#define bus_dmamap_load_mbuf(t, m, b, f) \ 508 (*(t)->_dmamap_load_mbuf)((t), (m), (b), (f)) 509#define bus_dmamap_load_uio(t, m, u, f) \ 510 (*(t)->_dmamap_load_uio)((t), (m), (u), (f)) 511#define bus_dmamap_load_raw(t, m, sg, n, s, f) \ 512 (*(t)->_dmamap_load_raw)((t), (m), (sg), (n), (s), (f)) 513#define bus_dmamap_unload(t, p) \ 514 (*(t)->_dmamap_unload)((t), (p)) 515#define bus_dmamap_sync(t, p, o, l, ops) \ 516 (void)((t)->_dmamap_sync ? \ 517 (*(t)->_dmamap_sync)((t), (p), (o), (l), (ops)) : (void)0) 518 519#define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \ 520 (*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f)) 521#define bus_dmamem_free(t, sg, n) \ 522 (*(t)->_dmamem_free)((t), (sg), (n)) 523#define bus_dmamem_map(t, sg, n, s, k, f) \ 524 (*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f)) 525#define bus_dmamem_unmap(t, k, s) \ 526 (*(t)->_dmamem_unmap)((t), (k), (s)) 527#define bus_dmamem_mmap(t, sg, n, o, p, f) \ 528 (*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f)) 529 530#define bus_dmatag_subregion(t, mna, mxa, nt, f) EOPNOTSUPP 531#define bus_dmatag_destroy(t) 532 533#ifdef _POWERPC_BUS_DMA_PRIVATE 534int _bus_dmamap_create (bus_dma_tag_t, bus_size_t, int, bus_size_t, 535 bus_size_t, int, bus_dmamap_t *); 536void _bus_dmamap_destroy (bus_dma_tag_t, bus_dmamap_t); 537int _bus_dmamap_load (bus_dma_tag_t, bus_dmamap_t, void *, 538 bus_size_t, struct proc *, int); 539int _bus_dmamap_load_mbuf (bus_dma_tag_t, bus_dmamap_t, 540 struct mbuf *, int); 541int _bus_dmamap_load_uio (bus_dma_tag_t, bus_dmamap_t, 542 struct uio *, int); 543int _bus_dmamap_load_raw (bus_dma_tag_t, bus_dmamap_t, 544 bus_dma_segment_t *, int, bus_size_t, int); 545void _bus_dmamap_unload (bus_dma_tag_t, bus_dmamap_t); 546void _bus_dmamap_sync (bus_dma_tag_t, bus_dmamap_t, bus_addr_t, 547 bus_size_t, int); 548 549int _bus_dmamem_alloc (bus_dma_tag_t tag, bus_size_t size, 550 bus_size_t alignment, bus_size_t boundary, 551 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags); 552void _bus_dmamem_free (bus_dma_tag_t tag, bus_dma_segment_t *segs, 553 int nsegs); 554int _bus_dmamem_map (bus_dma_tag_t tag, bus_dma_segment_t *segs, 555 int nsegs, size_t size, void **kvap, int flags); 556void _bus_dmamem_unmap (bus_dma_tag_t tag, void *kva, 557 size_t size); 558paddr_t _bus_dmamem_mmap (bus_dma_tag_t tag, bus_dma_segment_t *segs, 559 int nsegs, off_t off, int prot, int flags); 560 561int _bus_dmamem_alloc_range (bus_dma_tag_t tag, bus_size_t size, 562 bus_size_t alignment, bus_size_t boundary, 563 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags, 564 paddr_t low, paddr_t high); 565bus_addr_t _bus_dma_phys_to_bus_mem_generic(bus_dma_tag_t, bus_addr_t); 566bus_addr_t _bus_dma_bus_mem_to_phys_generic(bus_dma_tag_t, bus_addr_t); 567#endif /* _POWERPC_BUS_DMA_PRIVATE */ 568#endif /* _POWERPC_BUS_FUNCS_H_ */ 569