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 * $FreeBSD$ 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/* 258 * Utility macros; INTERNAL USE ONLY. 259 */ 260#define __bs_c(a,b) __CONCAT(a,b) 261#define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size) 262 263#define __bs_nonsingle(type, sz, t, h, o, a, c) \ 264 (*(t)->__bs_opname(type,sz))((t), h, o, a, c) 265#define __bs_set(type, sz, t, h, o, v, c) \ 266 (*(t)->__bs_opname(type,sz))((t), h, o, v, c) 267#define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ 268 (*(t)->__bs_opname(c,sz))((t), h1, o1, h2, o2, cnt) 269 270#define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s) 271#define __bs_rs_s(sz, t, h, o) \ 272 (*(t)->__bs_opname_s(r,sz))((t), h, o) 273#define __bs_ws_s(sz, t, h, o, v) \ 274 (*(t)->__bs_opname_s(w,sz))((t), h, o, v) 275#define __bs_nonsingle_s(type, sz, t, h, o, a, c) \ 276 (*(t)->__bs_opname_s(type,sz))((t), h, o, a, c) 277 278#define __generate_inline_bs_rs(IFN, MBR, TYP) \ 279 static inline TYP \ 280 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) \ 281 { \ 282 \ 283 if (__predict_true(t->MBR == NULL)) \ 284 return (*(volatile TYP *)(h + o)); \ 285 else \ 286 return (t->MBR(t, h, o)); \ 287 } 288 289#define __generate_inline_bs_ws(IFN, MBR, TYP) \ 290 static inline void \ 291 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, TYP v)\ 292 { \ 293 \ 294 if (__predict_true(t->MBR == NULL)) \ 295 *(volatile TYP *)(h + o) = v; \ 296 else \ 297 t->MBR(t, h, o, v); \ 298 } 299 300/* 301 * Mapping and unmapping operations. 302 */ 303#define bus_space_map(t, a, s, c, hp) \ 304 (*(t)->bs_map)((t), (a), (s), (c), (hp)) 305#define bus_space_unmap(t, h, s) \ 306 (*(t)->bs_unmap)((t), (h), (s)) 307#define bus_space_subregion(t, h, o, s, hp) \ 308 (*(t)->bs_subregion)((t), (h), (o), (s), (hp)) 309 310/* 311 * Allocation and deallocation operations. 312 */ 313#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ 314 (*(t)->bs_alloc)((t), (rs), (re), (s), (a), (b), \ 315 (c), (ap), (hp)) 316#define bus_space_free(t, h, s) \ 317 (*(t)->bs_free)((t), (h), (s)) 318 319/* 320 * Bus barrier operations. 321 */ 322#define bus_space_barrier(t, h, o, l, f) \ 323 (*(t)->bs_barrier)((t), (h), (o), (l), (f)) 324 325#define BUS_SPACE_BARRIER_READ 0x01 326#define BUS_SPACE_BARRIER_WRITE 0x02 327 328/* 329 * Bus read (single) operations. 330 */ 331__generate_inline_bs_rs(bus_space_read_1, bs_r_1, uint8_t); 332__generate_inline_bs_rs(bus_space_read_2, bs_r_2, uint16_t); 333__generate_inline_bs_rs(bus_space_read_4, bs_r_4, uint32_t); 334__generate_inline_bs_rs(bus_space_read_8, bs_r_8, uint64_t); 335 336__generate_inline_bs_rs(bus_space_read_stream_1, bs_r_1_s, uint8_t); 337__generate_inline_bs_rs(bus_space_read_stream_2, bs_r_2_s, uint16_t); 338__generate_inline_bs_rs(bus_space_read_stream_4, bs_r_4_s, uint32_t); 339__generate_inline_bs_rs(bus_space_read_stream_8, bs_r_8_s, uint64_t); 340 341/* 342 * Bus read multiple operations. 343 */ 344#define bus_space_read_multi_1(t, h, o, a, c) \ 345 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) 346#define bus_space_read_multi_2(t, h, o, a, c) \ 347 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) 348#define bus_space_read_multi_4(t, h, o, a, c) \ 349 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) 350#define bus_space_read_multi_8(t, h, o, a, c) \ 351 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) 352 353#define bus_space_read_multi_stream_1(t, h, o, a, c) \ 354 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c)) 355#define bus_space_read_multi_stream_2(t, h, o, a, c) \ 356 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c)) 357#define bus_space_read_multi_stream_4(t, h, o, a, c) \ 358 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c)) 359#define bus_space_read_multi_stream_8(t, h, o, a, c) \ 360 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c)) 361 362/* 363 * Bus read region operations. 364 */ 365#define bus_space_read_region_1(t, h, o, a, c) \ 366 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 367#define bus_space_read_region_2(t, h, o, a, c) \ 368 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 369#define bus_space_read_region_4(t, h, o, a, c) \ 370 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 371#define bus_space_read_region_8(t, h, o, a, c) \ 372 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) 373 374#define bus_space_read_region_stream_1(t, h, o, a, c) \ 375 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) 376#define bus_space_read_region_stream_2(t, h, o, a, c) \ 377 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) 378#define bus_space_read_region_stream_4(t, h, o, a, c) \ 379 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) 380#define bus_space_read_region_stream_8(t, h, o, a, c) \ 381 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) 382 383/* 384 * Bus write (single) operations. 385 */ 386__generate_inline_bs_ws(bus_space_write_1, bs_w_1, uint8_t); 387__generate_inline_bs_ws(bus_space_write_2, bs_w_2, uint16_t); 388__generate_inline_bs_ws(bus_space_write_4, bs_w_4, uint32_t); 389__generate_inline_bs_ws(bus_space_write_8, bs_w_8, uint64_t); 390 391__generate_inline_bs_ws(bus_space_write_stream_1, bs_w_1_s, uint8_t); 392__generate_inline_bs_ws(bus_space_write_stream_2, bs_w_2_s, uint16_t); 393__generate_inline_bs_ws(bus_space_write_stream_4, bs_w_4_s, uint32_t); 394__generate_inline_bs_ws(bus_space_write_stream_8, bs_w_8_s, uint64_t); 395 396/* 397 * Bus write multiple operations. 398 */ 399#define bus_space_write_multi_1(t, h, o, a, c) \ 400 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 401#define bus_space_write_multi_2(t, h, o, a, c) \ 402 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 403#define bus_space_write_multi_4(t, h, o, a, c) \ 404 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 405#define bus_space_write_multi_8(t, h, o, a, c) \ 406 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) 407 408#define bus_space_write_multi_stream_1(t, h, o, a, c) \ 409 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) 410#define bus_space_write_multi_stream_2(t, h, o, a, c) \ 411 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) 412#define bus_space_write_multi_stream_4(t, h, o, a, c) \ 413 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) 414#define bus_space_write_multi_stream_8(t, h, o, a, c) \ 415 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) 416 417/* 418 * Bus write region operations. 419 */ 420#define bus_space_write_region_1(t, h, o, a, c) \ 421 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 422#define bus_space_write_region_2(t, h, o, a, c) \ 423 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 424#define bus_space_write_region_4(t, h, o, a, c) \ 425 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 426#define bus_space_write_region_8(t, h, o, a, c) \ 427 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) 428 429#define bus_space_write_region_stream_1(t, h, o, a, c) \ 430 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) 431#define bus_space_write_region_stream_2(t, h, o, a, c) \ 432 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) 433#define bus_space_write_region_stream_4(t, h, o, a, c) \ 434 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) 435#define bus_space_write_region_stream_8(t, h, o, a, c) \ 436 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) 437 438/* 439 * Set multiple operations. 440 */ 441#define bus_space_set_multi_1(t, h, o, v, c) \ 442 __bs_set(sm,1,(t),(h),(o),(v),(c)) 443#define bus_space_set_multi_2(t, h, o, v, c) \ 444 __bs_set(sm,2,(t),(h),(o),(v),(c)) 445#define bus_space_set_multi_4(t, h, o, v, c) \ 446 __bs_set(sm,4,(t),(h),(o),(v),(c)) 447#define bus_space_set_multi_8(t, h, o, v, c) \ 448 __bs_set(sm,8,(t),(h),(o),(v),(c)) 449 450/* 451 * Set region operations. 452 */ 453#define bus_space_set_region_1(t, h, o, v, c) \ 454 __bs_set(sr,1,(t),(h),(o),(v),(c)) 455#define bus_space_set_region_2(t, h, o, v, c) \ 456 __bs_set(sr,2,(t),(h),(o),(v),(c)) 457#define bus_space_set_region_4(t, h, o, v, c) \ 458 __bs_set(sr,4,(t),(h),(o),(v),(c)) 459#define bus_space_set_region_8(t, h, o, v, c) \ 460 __bs_set(sr,8,(t),(h),(o),(v),(c)) 461 462/* 463 * Copy operations. 464 */ 465#define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 466 __bs_copy(1, t, h1, o1, h2, o2, c) 467#define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 468 __bs_copy(2, t, h1, o1, h2, o2, c) 469#define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 470 __bs_copy(4, t, h1, o1, h2, o2, c) 471#define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 472 __bs_copy(8, t, h1, o1, h2, o2, c) 473 474/* 475 * Macros to provide prototypes for all the functions used in the 476 * bus_space structure 477 */ 478 479#define bs_map_proto(f) \ 480int __bs_c(f,_bs_map) (bus_space_tag_t t, bus_addr_t addr, \ 481 bus_size_t size, int cacheable, bus_space_handle_t *bshp); 482 483#define bs_unmap_proto(f) \ 484void __bs_c(f,_bs_unmap) (bus_space_tag_t t, bus_space_handle_t bsh, \ 485 bus_size_t size); 486 487#define bs_subregion_proto(f) \ 488int __bs_c(f,_bs_subregion) (bus_space_tag_t t, bus_space_handle_t bsh, \ 489 bus_size_t offset, bus_size_t size, \ 490 bus_space_handle_t *nbshp); 491 492#define bs_alloc_proto(f) \ 493int __bs_c(f,_bs_alloc) (bus_space_tag_t t, bus_addr_t rstart, \ 494 bus_addr_t rend, bus_size_t size, bus_size_t align, \ 495 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \ 496 bus_space_handle_t *bshp); 497 498#define bs_free_proto(f) \ 499void __bs_c(f,_bs_free) (bus_space_tag_t t, bus_space_handle_t bsh, \ 500 bus_size_t size); 501 502#define bs_mmap_proto(f) \ 503int __bs_c(f,_bs_mmap) (struct cdev *, vm_offset_t, vm_paddr_t *, int); 504 505#define bs_barrier_proto(f) \ 506void __bs_c(f,_bs_barrier) (bus_space_tag_t t, bus_space_handle_t bsh, \ 507 bus_size_t offset, bus_size_t len, int flags); 508 509#define bs_r_1_proto(f) \ 510uint8_t __bs_c(f,_bs_r_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 511 bus_size_t offset); 512 513#define bs_r_2_proto(f) \ 514uint16_t __bs_c(f,_bs_r_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 515 bus_size_t offset); 516 517#define bs_r_4_proto(f) \ 518uint32_t __bs_c(f,_bs_r_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 519 bus_size_t offset); 520 521#define bs_r_8_proto(f) \ 522uint64_t __bs_c(f,_bs_r_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 523 bus_size_t offset); 524 525#define bs_r_1_s_proto(f) \ 526uint8_t __bs_c(f,_bs_r_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 527 bus_size_t offset); 528 529#define bs_r_2_s_proto(f) \ 530uint16_t __bs_c(f,_bs_r_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 531 bus_size_t offset); 532 533#define bs_r_4_s_proto(f) \ 534uint32_t __bs_c(f,_bs_r_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 535 bus_size_t offset); 536 537#define bs_w_1_proto(f) \ 538void __bs_c(f,_bs_w_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 539 bus_size_t offset, uint8_t value); 540 541#define bs_w_2_proto(f) \ 542void __bs_c(f,_bs_w_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 543 bus_size_t offset, uint16_t value); 544 545#define bs_w_4_proto(f) \ 546void __bs_c(f,_bs_w_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 547 bus_size_t offset, uint32_t value); 548 549#define bs_w_8_proto(f) \ 550void __bs_c(f,_bs_w_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 551 bus_size_t offset, uint64_t value); 552 553#define bs_w_1_s_proto(f) \ 554void __bs_c(f,_bs_w_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 555 bus_size_t offset, uint8_t value); 556 557#define bs_w_2_s_proto(f) \ 558void __bs_c(f,_bs_w_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 559 bus_size_t offset, uint16_t value); 560 561#define bs_w_4_s_proto(f) \ 562void __bs_c(f,_bs_w_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 563 bus_size_t offset, uint32_t value); 564 565#define bs_rm_1_proto(f) \ 566void __bs_c(f,_bs_rm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 567 bus_size_t offset, uint8_t *addr, bus_size_t count); 568 569#define bs_rm_2_proto(f) \ 570void __bs_c(f,_bs_rm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 571 bus_size_t offset, uint16_t *addr, bus_size_t count); 572 573#define bs_rm_4_proto(f) \ 574void __bs_c(f,_bs_rm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 575 bus_size_t offset, uint32_t *addr, bus_size_t count); 576 577#define bs_rm_8_proto(f) \ 578void __bs_c(f,_bs_rm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 579 bus_size_t offset, uint64_t *addr, bus_size_t count); 580 581#define bs_wm_1_proto(f) \ 582void __bs_c(f,_bs_wm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 583 bus_size_t offset, const uint8_t *addr, bus_size_t count); 584 585#define bs_wm_2_proto(f) \ 586void __bs_c(f,_bs_wm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 587 bus_size_t offset, const uint16_t *addr, bus_size_t count); 588 589#define bs_wm_4_proto(f) \ 590void __bs_c(f,_bs_wm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 591 bus_size_t offset, const uint32_t *addr, bus_size_t count); 592 593#define bs_wm_8_proto(f) \ 594void __bs_c(f,_bs_wm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 595 bus_size_t offset, const uint64_t *addr, bus_size_t count); 596 597#define bs_rr_1_proto(f) \ 598void __bs_c(f, _bs_rr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 599 bus_size_t offset, uint8_t *addr, bus_size_t count); 600 601#define bs_rr_2_proto(f) \ 602void __bs_c(f, _bs_rr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 603 bus_size_t offset, uint16_t *addr, bus_size_t count); 604 605#define bs_rr_4_proto(f) \ 606void __bs_c(f, _bs_rr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 607 bus_size_t offset, uint32_t *addr, bus_size_t count); 608 609#define bs_rr_8_proto(f) \ 610void __bs_c(f, _bs_rr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 611 bus_size_t offset, uint64_t *addr, bus_size_t count); 612 613#define bs_wr_1_proto(f) \ 614void __bs_c(f, _bs_wr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 615 bus_size_t offset, const uint8_t *addr, bus_size_t count); 616 617#define bs_wr_2_proto(f) \ 618void __bs_c(f, _bs_wr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 619 bus_size_t offset, const uint16_t *addr, bus_size_t count); 620 621#define bs_wr_4_proto(f) \ 622void __bs_c(f, _bs_wr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 623 bus_size_t offset, const uint32_t *addr, bus_size_t count); 624 625#define bs_wr_8_proto(f) \ 626void __bs_c(f, _bs_wr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 627 bus_size_t offset, const uint64_t *addr, bus_size_t count); 628 629#define bs_sm_1_proto(f) \ 630void __bs_c(f,_bs_sm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 631 bus_size_t offset, uint8_t value, bus_size_t count); 632 633#define bs_sm_2_proto(f) \ 634void __bs_c(f,_bs_sm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 635 bus_size_t offset, uint16_t value, bus_size_t count); 636 637#define bs_sm_4_proto(f) \ 638void __bs_c(f,_bs_sm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 639 bus_size_t offset, uint32_t value, bus_size_t count); 640 641#define bs_sm_8_proto(f) \ 642void __bs_c(f,_bs_sm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 643 bus_size_t offset, uint64_t value, bus_size_t count); 644 645#define bs_sr_1_proto(f) \ 646void __bs_c(f,_bs_sr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 647 bus_size_t offset, uint8_t value, bus_size_t count); 648 649#define bs_sr_2_proto(f) \ 650void __bs_c(f,_bs_sr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 651 bus_size_t offset, uint16_t value, bus_size_t count); 652 653#define bs_sr_4_proto(f) \ 654void __bs_c(f,_bs_sr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 655 bus_size_t offset, uint32_t value, bus_size_t count); 656 657#define bs_sr_8_proto(f) \ 658void __bs_c(f,_bs_sr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 659 bus_size_t offset, uint64_t value, bus_size_t count); 660 661#define bs_c_1_proto(f) \ 662void __bs_c(f,_bs_c_1) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 663 bus_size_t offset1, bus_space_handle_t bsh2, \ 664 bus_size_t offset2, bus_size_t count); 665 666#define bs_c_2_proto(f) \ 667void __bs_c(f,_bs_c_2) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 668 bus_size_t offset1, bus_space_handle_t bsh2, \ 669 bus_size_t offset2, bus_size_t count); 670 671#define bs_c_4_proto(f) \ 672void __bs_c(f,_bs_c_4) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 673 bus_size_t offset1, bus_space_handle_t bsh2, \ 674 bus_size_t offset2, bus_size_t count); 675 676#define bs_c_8_proto(f) \ 677void __bs_c(f,_bs_c_8) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 678 bus_size_t offset1, bus_space_handle_t bsh2, \ 679 bus_size_t offset2, bus_size_t count); 680 681#define bs_protos(f) \ 682bs_map_proto(f); \ 683bs_unmap_proto(f); \ 684bs_subregion_proto(f); \ 685bs_alloc_proto(f); \ 686bs_free_proto(f); \ 687bs_mmap_proto(f); \ 688bs_barrier_proto(f); \ 689bs_r_1_proto(f); \ 690bs_r_2_proto(f); \ 691bs_r_4_proto(f); \ 692bs_r_8_proto(f); \ 693bs_r_1_s_proto(f); \ 694bs_r_2_s_proto(f); \ 695bs_r_4_s_proto(f); \ 696bs_w_1_proto(f); \ 697bs_w_2_proto(f); \ 698bs_w_4_proto(f); \ 699bs_w_8_proto(f); \ 700bs_w_1_s_proto(f); \ 701bs_w_2_s_proto(f); \ 702bs_w_4_s_proto(f); \ 703bs_rm_1_proto(f); \ 704bs_rm_2_proto(f); \ 705bs_rm_4_proto(f); \ 706bs_rm_8_proto(f); \ 707bs_wm_1_proto(f); \ 708bs_wm_2_proto(f); \ 709bs_wm_4_proto(f); \ 710bs_wm_8_proto(f); \ 711bs_rr_1_proto(f); \ 712bs_rr_2_proto(f); \ 713bs_rr_4_proto(f); \ 714bs_rr_8_proto(f); \ 715bs_wr_1_proto(f); \ 716bs_wr_2_proto(f); \ 717bs_wr_4_proto(f); \ 718bs_wr_8_proto(f); \ 719bs_sm_1_proto(f); \ 720bs_sm_2_proto(f); \ 721bs_sm_4_proto(f); \ 722bs_sm_8_proto(f); \ 723bs_sr_1_proto(f); \ 724bs_sr_2_proto(f); \ 725bs_sr_4_proto(f); \ 726bs_sr_8_proto(f); \ 727bs_c_1_proto(f); \ 728bs_c_2_proto(f); \ 729bs_c_4_proto(f); \ 730bs_c_8_proto(f); 731 732void generic_bs_unimplemented(void); 733#define BS_UNIMPLEMENTED (void *)generic_bs_unimplemented 734 735#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 736 737#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF 738#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 739#define BUS_SPACE_MAXADDR 0xFFFFFFFF 740#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 741#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 742#define BUS_SPACE_MAXSIZE 0xFFFFFFFF 743 744#define BUS_SPACE_UNRESTRICTED (~0) 745 746#define BUS_PEEK_FUNC(width, type) \ 747 static inline int \ 748 bus_space_peek_##width(bus_space_tag_t tag, \ 749 bus_space_handle_t hnd, bus_size_t offset, type *value) \ 750 { \ 751 type tmp; \ 752 tmp = bus_space_read_##width(tag, hnd, offset); \ 753 *value = (type)tmp; \ 754 return (0); \ 755 } 756BUS_PEEK_FUNC(1, uint8_t) 757BUS_PEEK_FUNC(2, uint16_t) 758BUS_PEEK_FUNC(4, uint32_t) 759BUS_PEEK_FUNC(8, uint64_t) 760 761#define BUS_POKE_FUNC(width, type) \ 762 static inline int \ 763 bus_space_poke_##width(bus_space_tag_t tag, \ 764 bus_space_handle_t hnd, bus_size_t offset, type value) \ 765 { \ 766 bus_space_write_##width(tag, hnd, offset, value); \ 767 return (0); \ 768 } 769BUS_POKE_FUNC(1, uint8_t) 770BUS_POKE_FUNC(2, uint16_t) 771BUS_POKE_FUNC(4, uint32_t) 772BUS_POKE_FUNC(8, uint64_t) 773 774#include <machine/bus_dma.h> 775 776/* 777 * Get the physical address of a bus space memory-mapped resource. 778 * Doing this as a macro is a temporary solution until a more robust fix is 779 * designed. It also serves to mark the locations needing that fix. 780 */ 781#define BUS_SPACE_PHYSADDR(res, offs) \ 782 ((u_int)(rman_get_start(res)+(offs))) 783 784#endif /* _MACHINE_BUS_H_ */ 785