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 */ 91 struct 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 < 6 258 extern 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 #define __generate_inline_bs_rs(IFN, MBR, TYP) \ 283 static inline TYP \ 284 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) \ 285 { \ 286 \ 287 if (__predict_true(t->MBR == NULL)) \ 288 return (*(volatile TYP *)(h + o)); \ 289 else \ 290 return (t->MBR(t, h, o)); \ 291 } 292 293 #define __generate_inline_bs_ws(IFN, MBR, TYP) \ 294 static inline void \ 295 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, TYP v)\ 296 { \ 297 \ 298 if (__predict_true(t->MBR == NULL)) \ 299 *(volatile TYP *)(h + o) = v; \ 300 else \ 301 t->MBR(t, h, o, v); \ 302 } 303 304 /* 305 * Mapping and unmapping operations. 306 */ 307 #define bus_space_map(t, a, s, c, hp) \ 308 (*(t)->bs_map)((t), (a), (s), (c), (hp)) 309 #define bus_space_unmap(t, h, s) \ 310 (*(t)->bs_unmap)((t), (h), (s)) 311 #define bus_space_subregion(t, h, o, s, hp) \ 312 (*(t)->bs_subregion)((t), (h), (o), (s), (hp)) 313 314 /* 315 * Allocation and deallocation operations. 316 */ 317 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ 318 (*(t)->bs_alloc)((t), (rs), (re), (s), (a), (b), \ 319 (c), (ap), (hp)) 320 #define bus_space_free(t, h, s) \ 321 (*(t)->bs_free)((t), (h), (s)) 322 323 /* 324 * Bus barrier operations. 325 */ 326 #define bus_space_barrier(t, h, o, l, f) \ 327 (*(t)->bs_barrier)((t), (h), (o), (l), (f)) 328 329 #define BUS_SPACE_BARRIER_READ 0x01 330 #define BUS_SPACE_BARRIER_WRITE 0x02 331 332 /* 333 * Bus read (single) operations. 334 */ 335 __generate_inline_bs_rs(bus_space_read_1, bs_r_1, uint8_t); 336 __generate_inline_bs_rs(bus_space_read_2, bs_r_2, uint16_t); 337 __generate_inline_bs_rs(bus_space_read_4, bs_r_4, uint32_t); 338 __generate_inline_bs_rs(bus_space_read_8, bs_r_8, uint64_t); 339 340 __generate_inline_bs_rs(bus_space_read_stream_1, bs_r_1_s, uint8_t); 341 __generate_inline_bs_rs(bus_space_read_stream_2, bs_r_2_s, uint16_t); 342 __generate_inline_bs_rs(bus_space_read_stream_4, bs_r_4_s, uint32_t); 343 __generate_inline_bs_rs(bus_space_read_stream_8, bs_r_8_s, uint64_t); 344 345 /* 346 * Bus read multiple operations. 347 */ 348 #define bus_space_read_multi_1(t, h, o, a, c) \ 349 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) 350 #define bus_space_read_multi_2(t, h, o, a, c) \ 351 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) 352 #define bus_space_read_multi_4(t, h, o, a, c) \ 353 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) 354 #define bus_space_read_multi_8(t, h, o, a, c) \ 355 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) 356 357 #define bus_space_read_multi_stream_1(t, h, o, a, c) \ 358 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c)) 359 #define bus_space_read_multi_stream_2(t, h, o, a, c) \ 360 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c)) 361 #define bus_space_read_multi_stream_4(t, h, o, a, c) \ 362 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c)) 363 #define bus_space_read_multi_stream_8(t, h, o, a, c) \ 364 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c)) 365 366 /* 367 * Bus read region operations. 368 */ 369 #define bus_space_read_region_1(t, h, o, a, c) \ 370 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 371 #define bus_space_read_region_2(t, h, o, a, c) \ 372 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 373 #define bus_space_read_region_4(t, h, o, a, c) \ 374 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 375 #define bus_space_read_region_8(t, h, o, a, c) \ 376 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) 377 378 #define bus_space_read_region_stream_1(t, h, o, a, c) \ 379 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) 380 #define bus_space_read_region_stream_2(t, h, o, a, c) \ 381 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) 382 #define bus_space_read_region_stream_4(t, h, o, a, c) \ 383 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) 384 #define bus_space_read_region_stream_8(t, h, o, a, c) \ 385 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) 386 387 /* 388 * Bus write (single) operations. 389 */ 390 __generate_inline_bs_ws(bus_space_write_1, bs_w_1, uint8_t); 391 __generate_inline_bs_ws(bus_space_write_2, bs_w_2, uint16_t); 392 __generate_inline_bs_ws(bus_space_write_4, bs_w_4, uint32_t); 393 __generate_inline_bs_ws(bus_space_write_8, bs_w_8, uint64_t); 394 395 __generate_inline_bs_ws(bus_space_write_stream_1, bs_w_1_s, uint8_t); 396 __generate_inline_bs_ws(bus_space_write_stream_2, bs_w_2_s, uint16_t); 397 __generate_inline_bs_ws(bus_space_write_stream_4, bs_w_4_s, uint32_t); 398 __generate_inline_bs_ws(bus_space_write_stream_8, bs_w_8_s, uint64_t); 399 400 /* 401 * Bus write multiple operations. 402 */ 403 #define bus_space_write_multi_1(t, h, o, a, c) \ 404 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 405 #define bus_space_write_multi_2(t, h, o, a, c) \ 406 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 407 #define bus_space_write_multi_4(t, h, o, a, c) \ 408 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 409 #define bus_space_write_multi_8(t, h, o, a, c) \ 410 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) 411 412 #define bus_space_write_multi_stream_1(t, h, o, a, c) \ 413 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) 414 #define bus_space_write_multi_stream_2(t, h, o, a, c) \ 415 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) 416 #define bus_space_write_multi_stream_4(t, h, o, a, c) \ 417 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) 418 #define bus_space_write_multi_stream_8(t, h, o, a, c) \ 419 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) 420 421 /* 422 * Bus write region operations. 423 */ 424 #define bus_space_write_region_1(t, h, o, a, c) \ 425 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 426 #define bus_space_write_region_2(t, h, o, a, c) \ 427 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 428 #define bus_space_write_region_4(t, h, o, a, c) \ 429 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 430 #define bus_space_write_region_8(t, h, o, a, c) \ 431 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) 432 433 #define bus_space_write_region_stream_1(t, h, o, a, c) \ 434 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) 435 #define bus_space_write_region_stream_2(t, h, o, a, c) \ 436 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) 437 #define bus_space_write_region_stream_4(t, h, o, a, c) \ 438 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) 439 #define bus_space_write_region_stream_8(t, h, o, a, c) \ 440 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) 441 442 /* 443 * Set multiple operations. 444 */ 445 #define bus_space_set_multi_1(t, h, o, v, c) \ 446 __bs_set(sm,1,(t),(h),(o),(v),(c)) 447 #define bus_space_set_multi_2(t, h, o, v, c) \ 448 __bs_set(sm,2,(t),(h),(o),(v),(c)) 449 #define bus_space_set_multi_4(t, h, o, v, c) \ 450 __bs_set(sm,4,(t),(h),(o),(v),(c)) 451 #define bus_space_set_multi_8(t, h, o, v, c) \ 452 __bs_set(sm,8,(t),(h),(o),(v),(c)) 453 454 /* 455 * Set region operations. 456 */ 457 #define bus_space_set_region_1(t, h, o, v, c) \ 458 __bs_set(sr,1,(t),(h),(o),(v),(c)) 459 #define bus_space_set_region_2(t, h, o, v, c) \ 460 __bs_set(sr,2,(t),(h),(o),(v),(c)) 461 #define bus_space_set_region_4(t, h, o, v, c) \ 462 __bs_set(sr,4,(t),(h),(o),(v),(c)) 463 #define bus_space_set_region_8(t, h, o, v, c) \ 464 __bs_set(sr,8,(t),(h),(o),(v),(c)) 465 466 /* 467 * Copy operations. 468 */ 469 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 470 __bs_copy(1, t, h1, o1, h2, o2, c) 471 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 472 __bs_copy(2, t, h1, o1, h2, o2, c) 473 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 474 __bs_copy(4, t, h1, o1, h2, o2, c) 475 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 476 __bs_copy(8, t, h1, o1, h2, o2, c) 477 478 /* 479 * Macros to provide prototypes for all the functions used in the 480 * bus_space structure 481 */ 482 483 #define bs_map_proto(f) \ 484 int __bs_c(f,_bs_map) (bus_space_tag_t t, bus_addr_t addr, \ 485 bus_size_t size, int cacheable, bus_space_handle_t *bshp); 486 487 #define bs_unmap_proto(f) \ 488 void __bs_c(f,_bs_unmap) (bus_space_tag_t t, bus_space_handle_t bsh, \ 489 bus_size_t size); 490 491 #define bs_subregion_proto(f) \ 492 int __bs_c(f,_bs_subregion) (bus_space_tag_t t, bus_space_handle_t bsh, \ 493 bus_size_t offset, bus_size_t size, \ 494 bus_space_handle_t *nbshp); 495 496 #define bs_alloc_proto(f) \ 497 int __bs_c(f,_bs_alloc) (bus_space_tag_t t, bus_addr_t rstart, \ 498 bus_addr_t rend, bus_size_t size, bus_size_t align, \ 499 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \ 500 bus_space_handle_t *bshp); 501 502 #define bs_free_proto(f) \ 503 void __bs_c(f,_bs_free) (bus_space_tag_t t, bus_space_handle_t bsh, \ 504 bus_size_t size); 505 506 #define bs_mmap_proto(f) \ 507 int __bs_c(f,_bs_mmap) (struct cdev *, vm_offset_t, vm_paddr_t *, int); 508 509 #define bs_barrier_proto(f) \ 510 void __bs_c(f,_bs_barrier) (bus_space_tag_t t, bus_space_handle_t bsh, \ 511 bus_size_t offset, bus_size_t len, int flags); 512 513 #define bs_r_1_proto(f) \ 514 uint8_t __bs_c(f,_bs_r_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 515 bus_size_t offset); 516 517 #define bs_r_2_proto(f) \ 518 uint16_t __bs_c(f,_bs_r_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 519 bus_size_t offset); 520 521 #define bs_r_4_proto(f) \ 522 uint32_t __bs_c(f,_bs_r_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 523 bus_size_t offset); 524 525 #define bs_r_8_proto(f) \ 526 uint64_t __bs_c(f,_bs_r_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 527 bus_size_t offset); 528 529 #define bs_r_1_s_proto(f) \ 530 uint8_t __bs_c(f,_bs_r_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 531 bus_size_t offset); 532 533 #define bs_r_2_s_proto(f) \ 534 uint16_t __bs_c(f,_bs_r_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 535 bus_size_t offset); 536 537 #define bs_r_4_s_proto(f) \ 538 uint32_t __bs_c(f,_bs_r_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 539 bus_size_t offset); 540 541 #define bs_w_1_proto(f) \ 542 void __bs_c(f,_bs_w_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 543 bus_size_t offset, uint8_t value); 544 545 #define bs_w_2_proto(f) \ 546 void __bs_c(f,_bs_w_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 547 bus_size_t offset, uint16_t value); 548 549 #define bs_w_4_proto(f) \ 550 void __bs_c(f,_bs_w_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 551 bus_size_t offset, uint32_t value); 552 553 #define bs_w_8_proto(f) \ 554 void __bs_c(f,_bs_w_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 555 bus_size_t offset, uint64_t value); 556 557 #define bs_w_1_s_proto(f) \ 558 void __bs_c(f,_bs_w_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 559 bus_size_t offset, uint8_t value); 560 561 #define bs_w_2_s_proto(f) \ 562 void __bs_c(f,_bs_w_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 563 bus_size_t offset, uint16_t value); 564 565 #define bs_w_4_s_proto(f) \ 566 void __bs_c(f,_bs_w_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 567 bus_size_t offset, uint32_t value); 568 569 #define bs_rm_1_proto(f) \ 570 void __bs_c(f,_bs_rm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 571 bus_size_t offset, uint8_t *addr, bus_size_t count); 572 573 #define bs_rm_2_proto(f) \ 574 void __bs_c(f,_bs_rm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 575 bus_size_t offset, uint16_t *addr, bus_size_t count); 576 577 #define bs_rm_4_proto(f) \ 578 void __bs_c(f,_bs_rm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 579 bus_size_t offset, uint32_t *addr, bus_size_t count); 580 581 #define bs_rm_8_proto(f) \ 582 void __bs_c(f,_bs_rm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 583 bus_size_t offset, uint64_t *addr, bus_size_t count); 584 585 #define bs_wm_1_proto(f) \ 586 void __bs_c(f,_bs_wm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 587 bus_size_t offset, const uint8_t *addr, bus_size_t count); 588 589 #define bs_wm_2_proto(f) \ 590 void __bs_c(f,_bs_wm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 591 bus_size_t offset, const uint16_t *addr, bus_size_t count); 592 593 #define bs_wm_4_proto(f) \ 594 void __bs_c(f,_bs_wm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 595 bus_size_t offset, const uint32_t *addr, bus_size_t count); 596 597 #define bs_wm_8_proto(f) \ 598 void __bs_c(f,_bs_wm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 599 bus_size_t offset, const uint64_t *addr, bus_size_t count); 600 601 #define bs_rr_1_proto(f) \ 602 void __bs_c(f, _bs_rr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 603 bus_size_t offset, uint8_t *addr, bus_size_t count); 604 605 #define bs_rr_2_proto(f) \ 606 void __bs_c(f, _bs_rr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 607 bus_size_t offset, uint16_t *addr, bus_size_t count); 608 609 #define bs_rr_4_proto(f) \ 610 void __bs_c(f, _bs_rr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 611 bus_size_t offset, uint32_t *addr, bus_size_t count); 612 613 #define bs_rr_8_proto(f) \ 614 void __bs_c(f, _bs_rr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 615 bus_size_t offset, uint64_t *addr, bus_size_t count); 616 617 #define bs_wr_1_proto(f) \ 618 void __bs_c(f, _bs_wr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 619 bus_size_t offset, const uint8_t *addr, bus_size_t count); 620 621 #define bs_wr_2_proto(f) \ 622 void __bs_c(f, _bs_wr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 623 bus_size_t offset, const uint16_t *addr, bus_size_t count); 624 625 #define bs_wr_4_proto(f) \ 626 void __bs_c(f, _bs_wr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 627 bus_size_t offset, const uint32_t *addr, bus_size_t count); 628 629 #define bs_wr_8_proto(f) \ 630 void __bs_c(f, _bs_wr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 631 bus_size_t offset, const uint64_t *addr, bus_size_t count); 632 633 #define bs_sm_1_proto(f) \ 634 void __bs_c(f,_bs_sm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 635 bus_size_t offset, uint8_t value, bus_size_t count); 636 637 #define bs_sm_2_proto(f) \ 638 void __bs_c(f,_bs_sm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 639 bus_size_t offset, uint16_t value, bus_size_t count); 640 641 #define bs_sm_4_proto(f) \ 642 void __bs_c(f,_bs_sm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 643 bus_size_t offset, uint32_t value, bus_size_t count); 644 645 #define bs_sm_8_proto(f) \ 646 void __bs_c(f,_bs_sm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 647 bus_size_t offset, uint64_t value, bus_size_t count); 648 649 #define bs_sr_1_proto(f) \ 650 void __bs_c(f,_bs_sr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 651 bus_size_t offset, uint8_t value, bus_size_t count); 652 653 #define bs_sr_2_proto(f) \ 654 void __bs_c(f,_bs_sr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 655 bus_size_t offset, uint16_t value, bus_size_t count); 656 657 #define bs_sr_4_proto(f) \ 658 void __bs_c(f,_bs_sr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 659 bus_size_t offset, uint32_t value, bus_size_t count); 660 661 #define bs_sr_8_proto(f) \ 662 void __bs_c(f,_bs_sr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 663 bus_size_t offset, uint64_t value, bus_size_t count); 664 665 #define bs_c_1_proto(f) \ 666 void __bs_c(f,_bs_c_1) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 667 bus_size_t offset1, bus_space_handle_t bsh2, \ 668 bus_size_t offset2, bus_size_t count); 669 670 #define bs_c_2_proto(f) \ 671 void __bs_c(f,_bs_c_2) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 672 bus_size_t offset1, bus_space_handle_t bsh2, \ 673 bus_size_t offset2, bus_size_t count); 674 675 #define bs_c_4_proto(f) \ 676 void __bs_c(f,_bs_c_4) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 677 bus_size_t offset1, bus_space_handle_t bsh2, \ 678 bus_size_t offset2, bus_size_t count); 679 680 #define bs_c_8_proto(f) \ 681 void __bs_c(f,_bs_c_8) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 682 bus_size_t offset1, bus_space_handle_t bsh2, \ 683 bus_size_t offset2, bus_size_t count); 684 685 #define bs_protos(f) \ 686 bs_map_proto(f); \ 687 bs_unmap_proto(f); \ 688 bs_subregion_proto(f); \ 689 bs_alloc_proto(f); \ 690 bs_free_proto(f); \ 691 bs_mmap_proto(f); \ 692 bs_barrier_proto(f); \ 693 bs_r_1_proto(f); \ 694 bs_r_2_proto(f); \ 695 bs_r_4_proto(f); \ 696 bs_r_8_proto(f); \ 697 bs_r_1_s_proto(f); \ 698 bs_r_2_s_proto(f); \ 699 bs_r_4_s_proto(f); \ 700 bs_w_1_proto(f); \ 701 bs_w_2_proto(f); \ 702 bs_w_4_proto(f); \ 703 bs_w_8_proto(f); \ 704 bs_w_1_s_proto(f); \ 705 bs_w_2_s_proto(f); \ 706 bs_w_4_s_proto(f); \ 707 bs_rm_1_proto(f); \ 708 bs_rm_2_proto(f); \ 709 bs_rm_4_proto(f); \ 710 bs_rm_8_proto(f); \ 711 bs_wm_1_proto(f); \ 712 bs_wm_2_proto(f); \ 713 bs_wm_4_proto(f); \ 714 bs_wm_8_proto(f); \ 715 bs_rr_1_proto(f); \ 716 bs_rr_2_proto(f); \ 717 bs_rr_4_proto(f); \ 718 bs_rr_8_proto(f); \ 719 bs_wr_1_proto(f); \ 720 bs_wr_2_proto(f); \ 721 bs_wr_4_proto(f); \ 722 bs_wr_8_proto(f); \ 723 bs_sm_1_proto(f); \ 724 bs_sm_2_proto(f); \ 725 bs_sm_4_proto(f); \ 726 bs_sm_8_proto(f); \ 727 bs_sr_1_proto(f); \ 728 bs_sr_2_proto(f); \ 729 bs_sr_4_proto(f); \ 730 bs_sr_8_proto(f); \ 731 bs_c_1_proto(f); \ 732 bs_c_2_proto(f); \ 733 bs_c_4_proto(f); \ 734 bs_c_8_proto(f); 735 736 void generic_bs_unimplemented(void); 737 #define BS_UNIMPLEMENTED (void *)generic_bs_unimplemented 738 739 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 740 741 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF 742 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 743 #define BUS_SPACE_MAXADDR 0xFFFFFFFF 744 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 745 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 746 #define BUS_SPACE_MAXSIZE 0xFFFFFFFF 747 748 #define BUS_SPACE_UNRESTRICTED (~0) 749 750 #define BUS_PEEK_FUNC(width, type) \ 751 static inline int \ 752 bus_space_peek_##width(bus_space_tag_t tag, \ 753 bus_space_handle_t hnd, bus_size_t offset, type *value) \ 754 { \ 755 type tmp; \ 756 tmp = bus_space_read_##width(tag, hnd, offset); \ 757 return (0); \ 758 } 759 BUS_PEEK_FUNC(1, uint8_t) 760 BUS_PEEK_FUNC(2, uint16_t) 761 BUS_PEEK_FUNC(4, uint32_t) 762 BUS_PEEK_FUNC(8, uint64_t) 763 764 #define BUS_POKE_FUNC(width, type) \ 765 static inline int \ 766 bus_space_poke_##width(bus_space_tag_t tag, \ 767 bus_space_handle_t hnd, bus_size_t offset, type value) \ 768 { \ 769 bus_space_write_##width(tag, hnd, offset, value); \ 770 return (0); \ 771 } 772 BUS_POKE_FUNC(1, uint8_t) 773 BUS_POKE_FUNC(2, uint16_t) 774 BUS_POKE_FUNC(4, uint32_t) 775 BUS_POKE_FUNC(8, uint64_t) 776 777 #include <machine/bus_dma.h> 778 779 /* 780 * Get the physical address of a bus space memory-mapped resource. 781 * Doing this as a macro is a temporary solution until a more robust fix is 782 * designed. It also serves to mark the locations needing that fix. 783 */ 784 #define BUS_SPACE_PHYSADDR(res, offs) \ 785 ((u_int)(rman_get_start(res)+(offs))) 786 787 #endif /* _MACHINE_BUS_H_ */ 788