bus.h revision 330897
1/* $NetBSD: bus.h,v 1.11 2003/07/28 17:35:54 thorpej Exp $ */ 2 3/*- 4 * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33/*- 34 * SPDX-License-Identifier: BSD-4-Clause 35 * 36 * Copyright (c) 1996 Charles M. Hannum. 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 * $FreeBSD: stable/11/sys/arm/include/bus.h 330897 2018-03-14 03:19:51Z eadler $ 66 */ 67 68#ifndef _MACHINE_BUS_H_ 69#define _MACHINE_BUS_H_ 70 71#include <machine/_bus.h> 72 73/* 74 * int bus_space_map (bus_space_tag_t t, bus_addr_t addr, 75 * bus_size_t size, int flags, bus_space_handle_t *bshp); 76 * 77 * Map a region of bus space. 78 */ 79 80#define BUS_SPACE_MAP_CACHEABLE 0x01 81#define BUS_SPACE_MAP_LINEAR 0x02 82#define BUS_SPACE_MAP_PREFETCHABLE 0x04 83 84/* 85 * Bus space for ARM. 86 * 87 * The functions used most often are grouped together at the beginning to ensure 88 * that all the data fits into a single cache line. The inline implementations 89 * of single read/write access these values a lot. 90 */ 91struct bus_space { 92 /* Read/write single and barrier: the most commonly used functions. */ 93 uint8_t (*bs_r_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t); 94 uint32_t (*bs_r_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t); 95 void (*bs_w_1)(bus_space_tag_t, bus_space_handle_t, 96 bus_size_t, uint8_t); 97 void (*bs_w_4)(bus_space_tag_t, bus_space_handle_t, 98 bus_size_t, uint32_t); 99 void (*bs_barrier)(bus_space_tag_t, bus_space_handle_t, 100 bus_size_t, bus_size_t, int); 101 102 /* Backlink to parent (if copied), and implementation private data. */ 103 struct bus_space *bs_parent; 104 void *bs_privdata; 105 106 /* mapping/unmapping */ 107 int (*bs_map) (bus_space_tag_t, bus_addr_t, bus_size_t, 108 int, bus_space_handle_t *); 109 void (*bs_unmap) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 110 int (*bs_subregion) (bus_space_tag_t, bus_space_handle_t, 111 bus_size_t, bus_size_t, bus_space_handle_t *); 112 113 /* allocation/deallocation */ 114 int (*bs_alloc) (bus_space_tag_t, bus_addr_t, bus_addr_t, 115 bus_size_t, bus_size_t, bus_size_t, int, 116 bus_addr_t *, bus_space_handle_t *); 117 void (*bs_free) (bus_space_tag_t, bus_space_handle_t, 118 bus_size_t); 119 120 /* Read single, the less commonly used functions. */ 121 uint16_t (*bs_r_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 122 uint64_t (*bs_r_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 123 124 /* read multiple */ 125 void (*bs_rm_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 126 uint8_t *, bus_size_t); 127 void (*bs_rm_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 128 uint16_t *, bus_size_t); 129 void (*bs_rm_4) (bus_space_tag_t, bus_space_handle_t, 130 bus_size_t, uint32_t *, bus_size_t); 131 void (*bs_rm_8) (bus_space_tag_t, bus_space_handle_t, 132 bus_size_t, uint64_t *, bus_size_t); 133 134 /* read region */ 135 void (*bs_rr_1) (bus_space_tag_t, bus_space_handle_t, 136 bus_size_t, uint8_t *, bus_size_t); 137 void (*bs_rr_2) (bus_space_tag_t, bus_space_handle_t, 138 bus_size_t, uint16_t *, bus_size_t); 139 void (*bs_rr_4) (bus_space_tag_t, bus_space_handle_t, 140 bus_size_t, uint32_t *, bus_size_t); 141 void (*bs_rr_8) (bus_space_tag_t, bus_space_handle_t, 142 bus_size_t, uint64_t *, bus_size_t); 143 144 /* Write single, the less commonly used functions. */ 145 void (*bs_w_2) (bus_space_tag_t, bus_space_handle_t, 146 bus_size_t, uint16_t); 147 void (*bs_w_8) (bus_space_tag_t, bus_space_handle_t, 148 bus_size_t, uint64_t); 149 150 /* write multiple */ 151 void (*bs_wm_1) (bus_space_tag_t, bus_space_handle_t, 152 bus_size_t, const uint8_t *, bus_size_t); 153 void (*bs_wm_2) (bus_space_tag_t, bus_space_handle_t, 154 bus_size_t, const uint16_t *, bus_size_t); 155 void (*bs_wm_4) (bus_space_tag_t, bus_space_handle_t, 156 bus_size_t, const uint32_t *, bus_size_t); 157 void (*bs_wm_8) (bus_space_tag_t, bus_space_handle_t, 158 bus_size_t, const uint64_t *, bus_size_t); 159 160 /* write region */ 161 void (*bs_wr_1) (bus_space_tag_t, bus_space_handle_t, 162 bus_size_t, const uint8_t *, bus_size_t); 163 void (*bs_wr_2) (bus_space_tag_t, bus_space_handle_t, 164 bus_size_t, const uint16_t *, bus_size_t); 165 void (*bs_wr_4) (bus_space_tag_t, bus_space_handle_t, 166 bus_size_t, const uint32_t *, bus_size_t); 167 void (*bs_wr_8) (bus_space_tag_t, bus_space_handle_t, 168 bus_size_t, const uint64_t *, bus_size_t); 169 170 /* set multiple */ 171 void (*bs_sm_1) (bus_space_tag_t, bus_space_handle_t, 172 bus_size_t, uint8_t, bus_size_t); 173 void (*bs_sm_2) (bus_space_tag_t, bus_space_handle_t, 174 bus_size_t, uint16_t, bus_size_t); 175 void (*bs_sm_4) (bus_space_tag_t, bus_space_handle_t, 176 bus_size_t, uint32_t, bus_size_t); 177 void (*bs_sm_8) (bus_space_tag_t, bus_space_handle_t, 178 bus_size_t, uint64_t, bus_size_t); 179 180 /* set region */ 181 void (*bs_sr_1) (bus_space_tag_t, bus_space_handle_t, 182 bus_size_t, uint8_t, bus_size_t); 183 void (*bs_sr_2) (bus_space_tag_t, bus_space_handle_t, 184 bus_size_t, uint16_t, bus_size_t); 185 void (*bs_sr_4) (bus_space_tag_t, bus_space_handle_t, 186 bus_size_t, uint32_t, bus_size_t); 187 void (*bs_sr_8) (bus_space_tag_t, bus_space_handle_t, 188 bus_size_t, uint64_t, bus_size_t); 189 190 /* copy */ 191 void (*bs_c_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 192 bus_space_handle_t, bus_size_t, bus_size_t); 193 void (*bs_c_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 194 bus_space_handle_t, bus_size_t, bus_size_t); 195 void (*bs_c_4) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 196 bus_space_handle_t, bus_size_t, bus_size_t); 197 void (*bs_c_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 198 bus_space_handle_t, bus_size_t, bus_size_t); 199 200 /* read stream (single) */ 201 uint8_t (*bs_r_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 202 uint16_t (*bs_r_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 203 uint32_t (*bs_r_4_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 204 uint64_t (*bs_r_8_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 205 206 /* read multiple stream */ 207 void (*bs_rm_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 208 uint8_t *, bus_size_t); 209 void (*bs_rm_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 210 uint16_t *, bus_size_t); 211 void (*bs_rm_4_s) (bus_space_tag_t, bus_space_handle_t, 212 bus_size_t, uint32_t *, bus_size_t); 213 void (*bs_rm_8_s) (bus_space_tag_t, bus_space_handle_t, 214 bus_size_t, uint64_t *, bus_size_t); 215 216 /* read region stream */ 217 void (*bs_rr_1_s) (bus_space_tag_t, bus_space_handle_t, 218 bus_size_t, uint8_t *, bus_size_t); 219 void (*bs_rr_2_s) (bus_space_tag_t, bus_space_handle_t, 220 bus_size_t, uint16_t *, bus_size_t); 221 void (*bs_rr_4_s) (bus_space_tag_t, bus_space_handle_t, 222 bus_size_t, uint32_t *, bus_size_t); 223 void (*bs_rr_8_s) (bus_space_tag_t, bus_space_handle_t, 224 bus_size_t, uint64_t *, bus_size_t); 225 226 /* write stream (single) */ 227 void (*bs_w_1_s) (bus_space_tag_t, bus_space_handle_t, 228 bus_size_t, uint8_t); 229 void (*bs_w_2_s) (bus_space_tag_t, bus_space_handle_t, 230 bus_size_t, uint16_t); 231 void (*bs_w_4_s) (bus_space_tag_t, bus_space_handle_t, 232 bus_size_t, uint32_t); 233 void (*bs_w_8_s) (bus_space_tag_t, bus_space_handle_t, 234 bus_size_t, uint64_t); 235 236 /* write multiple stream */ 237 void (*bs_wm_1_s) (bus_space_tag_t, bus_space_handle_t, 238 bus_size_t, const uint8_t *, bus_size_t); 239 void (*bs_wm_2_s) (bus_space_tag_t, bus_space_handle_t, 240 bus_size_t, const uint16_t *, bus_size_t); 241 void (*bs_wm_4_s) (bus_space_tag_t, bus_space_handle_t, 242 bus_size_t, const uint32_t *, bus_size_t); 243 void (*bs_wm_8_s) (bus_space_tag_t, bus_space_handle_t, 244 bus_size_t, const uint64_t *, bus_size_t); 245 246 /* write region stream */ 247 void (*bs_wr_1_s) (bus_space_tag_t, bus_space_handle_t, 248 bus_size_t, const uint8_t *, bus_size_t); 249 void (*bs_wr_2_s) (bus_space_tag_t, bus_space_handle_t, 250 bus_size_t, const uint16_t *, bus_size_t); 251 void (*bs_wr_4_s) (bus_space_tag_t, bus_space_handle_t, 252 bus_size_t, const uint32_t *, bus_size_t); 253 void (*bs_wr_8_s) (bus_space_tag_t, bus_space_handle_t, 254 bus_size_t, const uint64_t *, bus_size_t); 255}; 256 257#if __ARM_ARCH < 6 258extern bus_space_tag_t arm_base_bs_tag; 259#endif 260 261/* 262 * Utility macros; INTERNAL USE ONLY. 263 */ 264#define __bs_c(a,b) __CONCAT(a,b) 265#define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size) 266 267#define __bs_nonsingle(type, sz, t, h, o, a, c) \ 268 (*(t)->__bs_opname(type,sz))((t), h, o, a, c) 269#define __bs_set(type, sz, t, h, o, v, c) \ 270 (*(t)->__bs_opname(type,sz))((t), h, o, v, c) 271#define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ 272 (*(t)->__bs_opname(c,sz))((t), h1, o1, h2, o2, cnt) 273 274#define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s) 275#define __bs_rs_s(sz, t, h, o) \ 276 (*(t)->__bs_opname_s(r,sz))((t), h, o) 277#define __bs_ws_s(sz, t, h, o, v) \ 278 (*(t)->__bs_opname_s(w,sz))((t), h, o, v) 279#define __bs_nonsingle_s(type, sz, t, h, o, a, c) \ 280 (*(t)->__bs_opname_s(type,sz))((t), h, o, a, c) 281 282 283#define __generate_inline_bs_rs(IFN, MBR, TYP) \ 284 static inline TYP \ 285 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) \ 286 { \ 287 \ 288 if (__predict_true(t->MBR == NULL)) \ 289 return (*(volatile TYP *)(h + o)); \ 290 else \ 291 return (t->MBR(t, h, o)); \ 292 } 293 294#define __generate_inline_bs_ws(IFN, MBR, TYP) \ 295 static inline void \ 296 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, TYP v)\ 297 { \ 298 \ 299 if (__predict_true(t->MBR == NULL)) \ 300 *(volatile TYP *)(h + o) = v; \ 301 else \ 302 t->MBR(t, h, o, v); \ 303 } 304 305/* 306 * Mapping and unmapping operations. 307 */ 308#define bus_space_map(t, a, s, c, hp) \ 309 (*(t)->bs_map)((t), (a), (s), (c), (hp)) 310#define bus_space_unmap(t, h, s) \ 311 (*(t)->bs_unmap)((t), (h), (s)) 312#define bus_space_subregion(t, h, o, s, hp) \ 313 (*(t)->bs_subregion)((t), (h), (o), (s), (hp)) 314 315 316/* 317 * Allocation and deallocation operations. 318 */ 319#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ 320 (*(t)->bs_alloc)((t), (rs), (re), (s), (a), (b), \ 321 (c), (ap), (hp)) 322#define bus_space_free(t, h, s) \ 323 (*(t)->bs_free)((t), (h), (s)) 324 325/* 326 * Bus barrier operations. 327 */ 328#define bus_space_barrier(t, h, o, l, f) \ 329 (*(t)->bs_barrier)((t), (h), (o), (l), (f)) 330 331#define BUS_SPACE_BARRIER_READ 0x01 332#define BUS_SPACE_BARRIER_WRITE 0x02 333 334/* 335 * Bus read (single) operations. 336 */ 337__generate_inline_bs_rs(bus_space_read_1, bs_r_1, uint8_t); 338__generate_inline_bs_rs(bus_space_read_2, bs_r_2, uint16_t); 339__generate_inline_bs_rs(bus_space_read_4, bs_r_4, uint32_t); 340__generate_inline_bs_rs(bus_space_read_8, bs_r_8, uint64_t); 341 342__generate_inline_bs_rs(bus_space_read_stream_1, bs_r_1_s, uint8_t); 343__generate_inline_bs_rs(bus_space_read_stream_2, bs_r_2_s, uint16_t); 344__generate_inline_bs_rs(bus_space_read_stream_4, bs_r_4_s, uint32_t); 345__generate_inline_bs_rs(bus_space_read_stream_8, bs_r_8_s, uint64_t); 346 347/* 348 * Bus read multiple operations. 349 */ 350#define bus_space_read_multi_1(t, h, o, a, c) \ 351 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) 352#define bus_space_read_multi_2(t, h, o, a, c) \ 353 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) 354#define bus_space_read_multi_4(t, h, o, a, c) \ 355 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) 356#define bus_space_read_multi_8(t, h, o, a, c) \ 357 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) 358 359#define bus_space_read_multi_stream_1(t, h, o, a, c) \ 360 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c)) 361#define bus_space_read_multi_stream_2(t, h, o, a, c) \ 362 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c)) 363#define bus_space_read_multi_stream_4(t, h, o, a, c) \ 364 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c)) 365#define bus_space_read_multi_stream_8(t, h, o, a, c) \ 366 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c)) 367 368 369/* 370 * Bus read region operations. 371 */ 372#define bus_space_read_region_1(t, h, o, a, c) \ 373 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 374#define bus_space_read_region_2(t, h, o, a, c) \ 375 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 376#define bus_space_read_region_4(t, h, o, a, c) \ 377 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 378#define bus_space_read_region_8(t, h, o, a, c) \ 379 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) 380 381#define bus_space_read_region_stream_1(t, h, o, a, c) \ 382 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) 383#define bus_space_read_region_stream_2(t, h, o, a, c) \ 384 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) 385#define bus_space_read_region_stream_4(t, h, o, a, c) \ 386 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) 387#define bus_space_read_region_stream_8(t, h, o, a, c) \ 388 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) 389 390 391/* 392 * Bus write (single) operations. 393 */ 394__generate_inline_bs_ws(bus_space_write_1, bs_w_1, uint8_t); 395__generate_inline_bs_ws(bus_space_write_2, bs_w_2, uint16_t); 396__generate_inline_bs_ws(bus_space_write_4, bs_w_4, uint32_t); 397__generate_inline_bs_ws(bus_space_write_8, bs_w_8, uint64_t); 398 399__generate_inline_bs_ws(bus_space_write_stream_1, bs_w_1_s, uint8_t); 400__generate_inline_bs_ws(bus_space_write_stream_2, bs_w_2_s, uint16_t); 401__generate_inline_bs_ws(bus_space_write_stream_4, bs_w_4_s, uint32_t); 402__generate_inline_bs_ws(bus_space_write_stream_8, bs_w_8_s, uint64_t); 403 404 405/* 406 * Bus write multiple operations. 407 */ 408#define bus_space_write_multi_1(t, h, o, a, c) \ 409 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 410#define bus_space_write_multi_2(t, h, o, a, c) \ 411 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 412#define bus_space_write_multi_4(t, h, o, a, c) \ 413 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 414#define bus_space_write_multi_8(t, h, o, a, c) \ 415 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) 416 417#define bus_space_write_multi_stream_1(t, h, o, a, c) \ 418 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) 419#define bus_space_write_multi_stream_2(t, h, o, a, c) \ 420 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) 421#define bus_space_write_multi_stream_4(t, h, o, a, c) \ 422 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) 423#define bus_space_write_multi_stream_8(t, h, o, a, c) \ 424 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) 425 426 427/* 428 * Bus write region operations. 429 */ 430#define bus_space_write_region_1(t, h, o, a, c) \ 431 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 432#define bus_space_write_region_2(t, h, o, a, c) \ 433 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 434#define bus_space_write_region_4(t, h, o, a, c) \ 435 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 436#define bus_space_write_region_8(t, h, o, a, c) \ 437 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) 438 439#define bus_space_write_region_stream_1(t, h, o, a, c) \ 440 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) 441#define bus_space_write_region_stream_2(t, h, o, a, c) \ 442 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) 443#define bus_space_write_region_stream_4(t, h, o, a, c) \ 444 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) 445#define bus_space_write_region_stream_8(t, h, o, a, c) \ 446 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) 447 448 449/* 450 * Set multiple operations. 451 */ 452#define bus_space_set_multi_1(t, h, o, v, c) \ 453 __bs_set(sm,1,(t),(h),(o),(v),(c)) 454#define bus_space_set_multi_2(t, h, o, v, c) \ 455 __bs_set(sm,2,(t),(h),(o),(v),(c)) 456#define bus_space_set_multi_4(t, h, o, v, c) \ 457 __bs_set(sm,4,(t),(h),(o),(v),(c)) 458#define bus_space_set_multi_8(t, h, o, v, c) \ 459 __bs_set(sm,8,(t),(h),(o),(v),(c)) 460 461 462/* 463 * Set region operations. 464 */ 465#define bus_space_set_region_1(t, h, o, v, c) \ 466 __bs_set(sr,1,(t),(h),(o),(v),(c)) 467#define bus_space_set_region_2(t, h, o, v, c) \ 468 __bs_set(sr,2,(t),(h),(o),(v),(c)) 469#define bus_space_set_region_4(t, h, o, v, c) \ 470 __bs_set(sr,4,(t),(h),(o),(v),(c)) 471#define bus_space_set_region_8(t, h, o, v, c) \ 472 __bs_set(sr,8,(t),(h),(o),(v),(c)) 473 474 475/* 476 * Copy operations. 477 */ 478#define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 479 __bs_copy(1, t, h1, o1, h2, o2, c) 480#define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 481 __bs_copy(2, t, h1, o1, h2, o2, c) 482#define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 483 __bs_copy(4, t, h1, o1, h2, o2, c) 484#define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 485 __bs_copy(8, t, h1, o1, h2, o2, c) 486 487/* 488 * Macros to provide prototypes for all the functions used in the 489 * bus_space structure 490 */ 491 492#define bs_map_proto(f) \ 493int __bs_c(f,_bs_map) (bus_space_tag_t t, bus_addr_t addr, \ 494 bus_size_t size, int cacheable, bus_space_handle_t *bshp); 495 496#define bs_unmap_proto(f) \ 497void __bs_c(f,_bs_unmap) (bus_space_tag_t t, bus_space_handle_t bsh, \ 498 bus_size_t size); 499 500#define bs_subregion_proto(f) \ 501int __bs_c(f,_bs_subregion) (bus_space_tag_t t, bus_space_handle_t bsh, \ 502 bus_size_t offset, bus_size_t size, \ 503 bus_space_handle_t *nbshp); 504 505#define bs_alloc_proto(f) \ 506int __bs_c(f,_bs_alloc) (bus_space_tag_t t, bus_addr_t rstart, \ 507 bus_addr_t rend, bus_size_t size, bus_size_t align, \ 508 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \ 509 bus_space_handle_t *bshp); 510 511#define bs_free_proto(f) \ 512void __bs_c(f,_bs_free) (bus_space_tag_t t, bus_space_handle_t bsh, \ 513 bus_size_t size); 514 515#define bs_mmap_proto(f) \ 516int __bs_c(f,_bs_mmap) (struct cdev *, vm_offset_t, vm_paddr_t *, int); 517 518#define bs_barrier_proto(f) \ 519void __bs_c(f,_bs_barrier) (bus_space_tag_t t, bus_space_handle_t bsh, \ 520 bus_size_t offset, bus_size_t len, int flags); 521 522#define bs_r_1_proto(f) \ 523uint8_t __bs_c(f,_bs_r_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 524 bus_size_t offset); 525 526#define bs_r_2_proto(f) \ 527uint16_t __bs_c(f,_bs_r_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 528 bus_size_t offset); 529 530#define bs_r_4_proto(f) \ 531uint32_t __bs_c(f,_bs_r_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 532 bus_size_t offset); 533 534#define bs_r_8_proto(f) \ 535uint64_t __bs_c(f,_bs_r_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 536 bus_size_t offset); 537 538#define bs_r_1_s_proto(f) \ 539uint8_t __bs_c(f,_bs_r_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 540 bus_size_t offset); 541 542#define bs_r_2_s_proto(f) \ 543uint16_t __bs_c(f,_bs_r_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 544 bus_size_t offset); 545 546#define bs_r_4_s_proto(f) \ 547uint32_t __bs_c(f,_bs_r_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 548 bus_size_t offset); 549 550#define bs_w_1_proto(f) \ 551void __bs_c(f,_bs_w_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 552 bus_size_t offset, uint8_t value); 553 554#define bs_w_2_proto(f) \ 555void __bs_c(f,_bs_w_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 556 bus_size_t offset, uint16_t value); 557 558#define bs_w_4_proto(f) \ 559void __bs_c(f,_bs_w_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 560 bus_size_t offset, uint32_t value); 561 562#define bs_w_8_proto(f) \ 563void __bs_c(f,_bs_w_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 564 bus_size_t offset, uint64_t value); 565 566#define bs_w_1_s_proto(f) \ 567void __bs_c(f,_bs_w_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 568 bus_size_t offset, uint8_t value); 569 570#define bs_w_2_s_proto(f) \ 571void __bs_c(f,_bs_w_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 572 bus_size_t offset, uint16_t value); 573 574#define bs_w_4_s_proto(f) \ 575void __bs_c(f,_bs_w_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 576 bus_size_t offset, uint32_t value); 577 578#define bs_rm_1_proto(f) \ 579void __bs_c(f,_bs_rm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 580 bus_size_t offset, uint8_t *addr, bus_size_t count); 581 582#define bs_rm_2_proto(f) \ 583void __bs_c(f,_bs_rm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 584 bus_size_t offset, uint16_t *addr, bus_size_t count); 585 586#define bs_rm_4_proto(f) \ 587void __bs_c(f,_bs_rm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 588 bus_size_t offset, uint32_t *addr, bus_size_t count); 589 590#define bs_rm_8_proto(f) \ 591void __bs_c(f,_bs_rm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 592 bus_size_t offset, uint64_t *addr, bus_size_t count); 593 594#define bs_wm_1_proto(f) \ 595void __bs_c(f,_bs_wm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 596 bus_size_t offset, const uint8_t *addr, bus_size_t count); 597 598#define bs_wm_2_proto(f) \ 599void __bs_c(f,_bs_wm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 600 bus_size_t offset, const uint16_t *addr, bus_size_t count); 601 602#define bs_wm_4_proto(f) \ 603void __bs_c(f,_bs_wm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 604 bus_size_t offset, const uint32_t *addr, bus_size_t count); 605 606#define bs_wm_8_proto(f) \ 607void __bs_c(f,_bs_wm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 608 bus_size_t offset, const uint64_t *addr, bus_size_t count); 609 610#define bs_rr_1_proto(f) \ 611void __bs_c(f, _bs_rr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 612 bus_size_t offset, uint8_t *addr, bus_size_t count); 613 614#define bs_rr_2_proto(f) \ 615void __bs_c(f, _bs_rr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 616 bus_size_t offset, uint16_t *addr, bus_size_t count); 617 618#define bs_rr_4_proto(f) \ 619void __bs_c(f, _bs_rr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 620 bus_size_t offset, uint32_t *addr, bus_size_t count); 621 622#define bs_rr_8_proto(f) \ 623void __bs_c(f, _bs_rr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 624 bus_size_t offset, uint64_t *addr, bus_size_t count); 625 626#define bs_wr_1_proto(f) \ 627void __bs_c(f, _bs_wr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 628 bus_size_t offset, const uint8_t *addr, bus_size_t count); 629 630#define bs_wr_2_proto(f) \ 631void __bs_c(f, _bs_wr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 632 bus_size_t offset, const uint16_t *addr, bus_size_t count); 633 634#define bs_wr_4_proto(f) \ 635void __bs_c(f, _bs_wr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 636 bus_size_t offset, const uint32_t *addr, bus_size_t count); 637 638#define bs_wr_8_proto(f) \ 639void __bs_c(f, _bs_wr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 640 bus_size_t offset, const uint64_t *addr, bus_size_t count); 641 642#define bs_sm_1_proto(f) \ 643void __bs_c(f,_bs_sm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 644 bus_size_t offset, uint8_t value, bus_size_t count); 645 646#define bs_sm_2_proto(f) \ 647void __bs_c(f,_bs_sm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 648 bus_size_t offset, uint16_t value, bus_size_t count); 649 650#define bs_sm_4_proto(f) \ 651void __bs_c(f,_bs_sm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 652 bus_size_t offset, uint32_t value, bus_size_t count); 653 654#define bs_sm_8_proto(f) \ 655void __bs_c(f,_bs_sm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 656 bus_size_t offset, uint64_t value, bus_size_t count); 657 658#define bs_sr_1_proto(f) \ 659void __bs_c(f,_bs_sr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 660 bus_size_t offset, uint8_t value, bus_size_t count); 661 662#define bs_sr_2_proto(f) \ 663void __bs_c(f,_bs_sr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 664 bus_size_t offset, uint16_t value, bus_size_t count); 665 666#define bs_sr_4_proto(f) \ 667void __bs_c(f,_bs_sr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 668 bus_size_t offset, uint32_t value, bus_size_t count); 669 670#define bs_sr_8_proto(f) \ 671void __bs_c(f,_bs_sr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 672 bus_size_t offset, uint64_t value, bus_size_t count); 673 674#define bs_c_1_proto(f) \ 675void __bs_c(f,_bs_c_1) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 676 bus_size_t offset1, bus_space_handle_t bsh2, \ 677 bus_size_t offset2, bus_size_t count); 678 679#define bs_c_2_proto(f) \ 680void __bs_c(f,_bs_c_2) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 681 bus_size_t offset1, bus_space_handle_t bsh2, \ 682 bus_size_t offset2, bus_size_t count); 683 684#define bs_c_4_proto(f) \ 685void __bs_c(f,_bs_c_4) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 686 bus_size_t offset1, bus_space_handle_t bsh2, \ 687 bus_size_t offset2, bus_size_t count); 688 689#define bs_c_8_proto(f) \ 690void __bs_c(f,_bs_c_8) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 691 bus_size_t offset1, bus_space_handle_t bsh2, \ 692 bus_size_t offset2, bus_size_t count); 693 694#define bs_protos(f) \ 695bs_map_proto(f); \ 696bs_unmap_proto(f); \ 697bs_subregion_proto(f); \ 698bs_alloc_proto(f); \ 699bs_free_proto(f); \ 700bs_mmap_proto(f); \ 701bs_barrier_proto(f); \ 702bs_r_1_proto(f); \ 703bs_r_2_proto(f); \ 704bs_r_4_proto(f); \ 705bs_r_8_proto(f); \ 706bs_r_1_s_proto(f); \ 707bs_r_2_s_proto(f); \ 708bs_r_4_s_proto(f); \ 709bs_w_1_proto(f); \ 710bs_w_2_proto(f); \ 711bs_w_4_proto(f); \ 712bs_w_8_proto(f); \ 713bs_w_1_s_proto(f); \ 714bs_w_2_s_proto(f); \ 715bs_w_4_s_proto(f); \ 716bs_rm_1_proto(f); \ 717bs_rm_2_proto(f); \ 718bs_rm_4_proto(f); \ 719bs_rm_8_proto(f); \ 720bs_wm_1_proto(f); \ 721bs_wm_2_proto(f); \ 722bs_wm_4_proto(f); \ 723bs_wm_8_proto(f); \ 724bs_rr_1_proto(f); \ 725bs_rr_2_proto(f); \ 726bs_rr_4_proto(f); \ 727bs_rr_8_proto(f); \ 728bs_wr_1_proto(f); \ 729bs_wr_2_proto(f); \ 730bs_wr_4_proto(f); \ 731bs_wr_8_proto(f); \ 732bs_sm_1_proto(f); \ 733bs_sm_2_proto(f); \ 734bs_sm_4_proto(f); \ 735bs_sm_8_proto(f); \ 736bs_sr_1_proto(f); \ 737bs_sr_2_proto(f); \ 738bs_sr_4_proto(f); \ 739bs_sr_8_proto(f); \ 740bs_c_1_proto(f); \ 741bs_c_2_proto(f); \ 742bs_c_4_proto(f); \ 743bs_c_8_proto(f); 744 745void generic_bs_unimplemented(void); 746#define BS_UNIMPLEMENTED (void *)generic_bs_unimplemented 747 748#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 749 750#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF 751#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 752#define BUS_SPACE_MAXADDR 0xFFFFFFFF 753#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 754#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 755#define BUS_SPACE_MAXSIZE 0xFFFFFFFF 756 757#define BUS_SPACE_UNRESTRICTED (~0) 758 759#include <machine/bus_dma.h> 760 761/* 762 * Get the physical address of a bus space memory-mapped resource. 763 * Doing this as a macro is a temporary solution until a more robust fix is 764 * designed. It also serves to mark the locations needing that fix. 765 */ 766#define BUS_SPACE_PHYSADDR(res, offs) \ 767 ((u_int)(rman_get_start(res)+(offs))) 768 769#endif /* _MACHINE_BUS_H_ */ 770