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 66 #ifndef _MACHINE_BUS_H_ 67 #define _MACHINE_BUS_H_ 68 69 #include <machine/_bus.h> 70 71 /* 72 * int bus_space_map (bus_space_tag_t t, bus_addr_t addr, 73 * bus_size_t size, int flags, bus_space_handle_t *bshp); 74 * 75 * Map a region of bus space. 76 */ 77 78 #define BUS_SPACE_MAP_CACHEABLE 0x01 79 #define BUS_SPACE_MAP_LINEAR 0x02 80 #define BUS_SPACE_MAP_PREFETCHABLE 0x04 81 82 /* 83 * Bus space for ARM. 84 * 85 * The functions used most often are grouped together at the beginning to ensure 86 * that all the data fits into a single cache line. The inline implementations 87 * of single read/write access these values a lot. 88 */ 89 struct bus_space { 90 /* Read/write single and barrier: the most commonly used functions. */ 91 uint8_t (*bs_r_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t); 92 uint32_t (*bs_r_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t); 93 void (*bs_w_1)(bus_space_tag_t, bus_space_handle_t, 94 bus_size_t, uint8_t); 95 void (*bs_w_4)(bus_space_tag_t, bus_space_handle_t, 96 bus_size_t, uint32_t); 97 void (*bs_barrier)(bus_space_tag_t, bus_space_handle_t, 98 bus_size_t, bus_size_t, int); 99 100 /* Backlink to parent (if copied), and implementation private data. */ 101 struct bus_space *bs_parent; 102 void *bs_privdata; 103 104 /* mapping/unmapping */ 105 int (*bs_map) (bus_space_tag_t, bus_addr_t, bus_size_t, 106 int, bus_space_handle_t *); 107 void (*bs_unmap) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 108 int (*bs_subregion) (bus_space_tag_t, bus_space_handle_t, 109 bus_size_t, bus_size_t, bus_space_handle_t *); 110 111 /* allocation/deallocation */ 112 int (*bs_alloc) (bus_space_tag_t, bus_addr_t, bus_addr_t, 113 bus_size_t, bus_size_t, bus_size_t, int, 114 bus_addr_t *, bus_space_handle_t *); 115 void (*bs_free) (bus_space_tag_t, bus_space_handle_t, 116 bus_size_t); 117 118 /* Read single, the less commonly used functions. */ 119 uint16_t (*bs_r_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 120 uint64_t (*bs_r_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 121 122 /* read multiple */ 123 void (*bs_rm_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 124 uint8_t *, bus_size_t); 125 void (*bs_rm_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 126 uint16_t *, bus_size_t); 127 void (*bs_rm_4) (bus_space_tag_t, bus_space_handle_t, 128 bus_size_t, uint32_t *, bus_size_t); 129 void (*bs_rm_8) (bus_space_tag_t, bus_space_handle_t, 130 bus_size_t, uint64_t *, bus_size_t); 131 132 /* read region */ 133 void (*bs_rr_1) (bus_space_tag_t, bus_space_handle_t, 134 bus_size_t, uint8_t *, bus_size_t); 135 void (*bs_rr_2) (bus_space_tag_t, bus_space_handle_t, 136 bus_size_t, uint16_t *, bus_size_t); 137 void (*bs_rr_4) (bus_space_tag_t, bus_space_handle_t, 138 bus_size_t, uint32_t *, bus_size_t); 139 void (*bs_rr_8) (bus_space_tag_t, bus_space_handle_t, 140 bus_size_t, uint64_t *, bus_size_t); 141 142 /* Write single, the less commonly used functions. */ 143 void (*bs_w_2) (bus_space_tag_t, bus_space_handle_t, 144 bus_size_t, uint16_t); 145 void (*bs_w_8) (bus_space_tag_t, bus_space_handle_t, 146 bus_size_t, uint64_t); 147 148 /* write multiple */ 149 void (*bs_wm_1) (bus_space_tag_t, bus_space_handle_t, 150 bus_size_t, const uint8_t *, bus_size_t); 151 void (*bs_wm_2) (bus_space_tag_t, bus_space_handle_t, 152 bus_size_t, const uint16_t *, bus_size_t); 153 void (*bs_wm_4) (bus_space_tag_t, bus_space_handle_t, 154 bus_size_t, const uint32_t *, bus_size_t); 155 void (*bs_wm_8) (bus_space_tag_t, bus_space_handle_t, 156 bus_size_t, const uint64_t *, bus_size_t); 157 158 /* write region */ 159 void (*bs_wr_1) (bus_space_tag_t, bus_space_handle_t, 160 bus_size_t, const uint8_t *, bus_size_t); 161 void (*bs_wr_2) (bus_space_tag_t, bus_space_handle_t, 162 bus_size_t, const uint16_t *, bus_size_t); 163 void (*bs_wr_4) (bus_space_tag_t, bus_space_handle_t, 164 bus_size_t, const uint32_t *, bus_size_t); 165 void (*bs_wr_8) (bus_space_tag_t, bus_space_handle_t, 166 bus_size_t, const uint64_t *, bus_size_t); 167 168 /* set multiple */ 169 void (*bs_sm_1) (bus_space_tag_t, bus_space_handle_t, 170 bus_size_t, uint8_t, bus_size_t); 171 void (*bs_sm_2) (bus_space_tag_t, bus_space_handle_t, 172 bus_size_t, uint16_t, bus_size_t); 173 void (*bs_sm_4) (bus_space_tag_t, bus_space_handle_t, 174 bus_size_t, uint32_t, bus_size_t); 175 void (*bs_sm_8) (bus_space_tag_t, bus_space_handle_t, 176 bus_size_t, uint64_t, bus_size_t); 177 178 /* set region */ 179 void (*bs_sr_1) (bus_space_tag_t, bus_space_handle_t, 180 bus_size_t, uint8_t, bus_size_t); 181 void (*bs_sr_2) (bus_space_tag_t, bus_space_handle_t, 182 bus_size_t, uint16_t, bus_size_t); 183 void (*bs_sr_4) (bus_space_tag_t, bus_space_handle_t, 184 bus_size_t, uint32_t, bus_size_t); 185 void (*bs_sr_8) (bus_space_tag_t, bus_space_handle_t, 186 bus_size_t, uint64_t, bus_size_t); 187 188 /* copy */ 189 void (*bs_c_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 190 bus_space_handle_t, bus_size_t, bus_size_t); 191 void (*bs_c_2) (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_4) (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_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 196 bus_space_handle_t, bus_size_t, bus_size_t); 197 198 /* read stream (single) */ 199 uint8_t (*bs_r_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 200 uint16_t (*bs_r_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 201 uint32_t (*bs_r_4_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 202 uint64_t (*bs_r_8_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 203 204 /* read multiple stream */ 205 void (*bs_rm_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 206 uint8_t *, bus_size_t); 207 void (*bs_rm_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 208 uint16_t *, bus_size_t); 209 void (*bs_rm_4_s) (bus_space_tag_t, bus_space_handle_t, 210 bus_size_t, uint32_t *, bus_size_t); 211 void (*bs_rm_8_s) (bus_space_tag_t, bus_space_handle_t, 212 bus_size_t, uint64_t *, bus_size_t); 213 214 /* read region stream */ 215 void (*bs_rr_1_s) (bus_space_tag_t, bus_space_handle_t, 216 bus_size_t, uint8_t *, bus_size_t); 217 void (*bs_rr_2_s) (bus_space_tag_t, bus_space_handle_t, 218 bus_size_t, uint16_t *, bus_size_t); 219 void (*bs_rr_4_s) (bus_space_tag_t, bus_space_handle_t, 220 bus_size_t, uint32_t *, bus_size_t); 221 void (*bs_rr_8_s) (bus_space_tag_t, bus_space_handle_t, 222 bus_size_t, uint64_t *, bus_size_t); 223 224 /* write stream (single) */ 225 void (*bs_w_1_s) (bus_space_tag_t, bus_space_handle_t, 226 bus_size_t, uint8_t); 227 void (*bs_w_2_s) (bus_space_tag_t, bus_space_handle_t, 228 bus_size_t, uint16_t); 229 void (*bs_w_4_s) (bus_space_tag_t, bus_space_handle_t, 230 bus_size_t, uint32_t); 231 void (*bs_w_8_s) (bus_space_tag_t, bus_space_handle_t, 232 bus_size_t, uint64_t); 233 234 /* write multiple stream */ 235 void (*bs_wm_1_s) (bus_space_tag_t, bus_space_handle_t, 236 bus_size_t, const uint8_t *, bus_size_t); 237 void (*bs_wm_2_s) (bus_space_tag_t, bus_space_handle_t, 238 bus_size_t, const uint16_t *, bus_size_t); 239 void (*bs_wm_4_s) (bus_space_tag_t, bus_space_handle_t, 240 bus_size_t, const uint32_t *, bus_size_t); 241 void (*bs_wm_8_s) (bus_space_tag_t, bus_space_handle_t, 242 bus_size_t, const uint64_t *, bus_size_t); 243 244 /* write region stream */ 245 void (*bs_wr_1_s) (bus_space_tag_t, bus_space_handle_t, 246 bus_size_t, const uint8_t *, bus_size_t); 247 void (*bs_wr_2_s) (bus_space_tag_t, bus_space_handle_t, 248 bus_size_t, const uint16_t *, bus_size_t); 249 void (*bs_wr_4_s) (bus_space_tag_t, bus_space_handle_t, 250 bus_size_t, const uint32_t *, bus_size_t); 251 void (*bs_wr_8_s) (bus_space_tag_t, bus_space_handle_t, 252 bus_size_t, const uint64_t *, bus_size_t); 253 }; 254 255 /* 256 * Utility macros; INTERNAL USE ONLY. 257 */ 258 #define __bs_c(a,b) __CONCAT(a,b) 259 #define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size) 260 261 #define __bs_nonsingle(type, sz, t, h, o, a, c) \ 262 (*(t)->__bs_opname(type,sz))((t), h, o, a, c) 263 #define __bs_set(type, sz, t, h, o, v, c) \ 264 (*(t)->__bs_opname(type,sz))((t), h, o, v, c) 265 #define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ 266 (*(t)->__bs_opname(c,sz))((t), h1, o1, h2, o2, cnt) 267 268 #define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s) 269 #define __bs_rs_s(sz, t, h, o) \ 270 (*(t)->__bs_opname_s(r,sz))((t), h, o) 271 #define __bs_ws_s(sz, t, h, o, v) \ 272 (*(t)->__bs_opname_s(w,sz))((t), h, o, v) 273 #define __bs_nonsingle_s(type, sz, t, h, o, a, c) \ 274 (*(t)->__bs_opname_s(type,sz))((t), h, o, a, c) 275 276 #define __generate_inline_bs_rs(IFN, MBR, TYP) \ 277 static inline TYP \ 278 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) \ 279 { \ 280 \ 281 if (__predict_true(t->MBR == NULL)) \ 282 return (*(volatile TYP *)(h + o)); \ 283 else \ 284 return (t->MBR(t, h, o)); \ 285 } 286 287 #define __generate_inline_bs_ws(IFN, MBR, TYP) \ 288 static inline void \ 289 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, TYP v)\ 290 { \ 291 \ 292 if (__predict_true(t->MBR == NULL)) \ 293 *(volatile TYP *)(h + o) = v; \ 294 else \ 295 t->MBR(t, h, o, v); \ 296 } 297 298 /* 299 * Mapping and unmapping operations. 300 */ 301 #define bus_space_map(t, a, s, c, hp) \ 302 (*(t)->bs_map)((t), (a), (s), (c), (hp)) 303 #define bus_space_unmap(t, h, s) \ 304 (*(t)->bs_unmap)((t), (h), (s)) 305 #define bus_space_subregion(t, h, o, s, hp) \ 306 (*(t)->bs_subregion)((t), (h), (o), (s), (hp)) 307 308 /* 309 * Allocation and deallocation operations. 310 */ 311 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ 312 (*(t)->bs_alloc)((t), (rs), (re), (s), (a), (b), \ 313 (c), (ap), (hp)) 314 #define bus_space_free(t, h, s) \ 315 (*(t)->bs_free)((t), (h), (s)) 316 317 /* 318 * Bus barrier operations. 319 */ 320 #define bus_space_barrier(t, h, o, l, f) \ 321 (*(t)->bs_barrier)((t), (h), (o), (l), (f)) 322 323 #define BUS_SPACE_BARRIER_READ 0x01 324 #define BUS_SPACE_BARRIER_WRITE 0x02 325 326 /* 327 * Bus read (single) operations. 328 */ 329 __generate_inline_bs_rs(bus_space_read_1, bs_r_1, uint8_t); 330 __generate_inline_bs_rs(bus_space_read_2, bs_r_2, uint16_t); 331 __generate_inline_bs_rs(bus_space_read_4, bs_r_4, uint32_t); 332 __generate_inline_bs_rs(bus_space_read_8, bs_r_8, uint64_t); 333 334 __generate_inline_bs_rs(bus_space_read_stream_1, bs_r_1_s, uint8_t); 335 __generate_inline_bs_rs(bus_space_read_stream_2, bs_r_2_s, uint16_t); 336 __generate_inline_bs_rs(bus_space_read_stream_4, bs_r_4_s, uint32_t); 337 __generate_inline_bs_rs(bus_space_read_stream_8, bs_r_8_s, uint64_t); 338 339 /* 340 * Bus read multiple operations. 341 */ 342 #define bus_space_read_multi_1(t, h, o, a, c) \ 343 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) 344 #define bus_space_read_multi_2(t, h, o, a, c) \ 345 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) 346 #define bus_space_read_multi_4(t, h, o, a, c) \ 347 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) 348 #define bus_space_read_multi_8(t, h, o, a, c) \ 349 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) 350 351 #define bus_space_read_multi_stream_1(t, h, o, a, c) \ 352 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c)) 353 #define bus_space_read_multi_stream_2(t, h, o, a, c) \ 354 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c)) 355 #define bus_space_read_multi_stream_4(t, h, o, a, c) \ 356 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c)) 357 #define bus_space_read_multi_stream_8(t, h, o, a, c) \ 358 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c)) 359 360 /* 361 * Bus read region operations. 362 */ 363 #define bus_space_read_region_1(t, h, o, a, c) \ 364 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 365 #define bus_space_read_region_2(t, h, o, a, c) \ 366 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 367 #define bus_space_read_region_4(t, h, o, a, c) \ 368 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 369 #define bus_space_read_region_8(t, h, o, a, c) \ 370 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) 371 372 #define bus_space_read_region_stream_1(t, h, o, a, c) \ 373 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) 374 #define bus_space_read_region_stream_2(t, h, o, a, c) \ 375 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) 376 #define bus_space_read_region_stream_4(t, h, o, a, c) \ 377 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) 378 #define bus_space_read_region_stream_8(t, h, o, a, c) \ 379 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) 380 381 /* 382 * Bus write (single) operations. 383 */ 384 __generate_inline_bs_ws(bus_space_write_1, bs_w_1, uint8_t); 385 __generate_inline_bs_ws(bus_space_write_2, bs_w_2, uint16_t); 386 __generate_inline_bs_ws(bus_space_write_4, bs_w_4, uint32_t); 387 __generate_inline_bs_ws(bus_space_write_8, bs_w_8, uint64_t); 388 389 __generate_inline_bs_ws(bus_space_write_stream_1, bs_w_1_s, uint8_t); 390 __generate_inline_bs_ws(bus_space_write_stream_2, bs_w_2_s, uint16_t); 391 __generate_inline_bs_ws(bus_space_write_stream_4, bs_w_4_s, uint32_t); 392 __generate_inline_bs_ws(bus_space_write_stream_8, bs_w_8_s, uint64_t); 393 394 /* 395 * Bus write multiple operations. 396 */ 397 #define bus_space_write_multi_1(t, h, o, a, c) \ 398 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 399 #define bus_space_write_multi_2(t, h, o, a, c) \ 400 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 401 #define bus_space_write_multi_4(t, h, o, a, c) \ 402 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 403 #define bus_space_write_multi_8(t, h, o, a, c) \ 404 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) 405 406 #define bus_space_write_multi_stream_1(t, h, o, a, c) \ 407 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) 408 #define bus_space_write_multi_stream_2(t, h, o, a, c) \ 409 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) 410 #define bus_space_write_multi_stream_4(t, h, o, a, c) \ 411 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) 412 #define bus_space_write_multi_stream_8(t, h, o, a, c) \ 413 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) 414 415 /* 416 * Bus write region operations. 417 */ 418 #define bus_space_write_region_1(t, h, o, a, c) \ 419 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 420 #define bus_space_write_region_2(t, h, o, a, c) \ 421 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 422 #define bus_space_write_region_4(t, h, o, a, c) \ 423 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 424 #define bus_space_write_region_8(t, h, o, a, c) \ 425 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) 426 427 #define bus_space_write_region_stream_1(t, h, o, a, c) \ 428 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) 429 #define bus_space_write_region_stream_2(t, h, o, a, c) \ 430 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) 431 #define bus_space_write_region_stream_4(t, h, o, a, c) \ 432 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) 433 #define bus_space_write_region_stream_8(t, h, o, a, c) \ 434 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) 435 436 /* 437 * Set multiple operations. 438 */ 439 #define bus_space_set_multi_1(t, h, o, v, c) \ 440 __bs_set(sm,1,(t),(h),(o),(v),(c)) 441 #define bus_space_set_multi_2(t, h, o, v, c) \ 442 __bs_set(sm,2,(t),(h),(o),(v),(c)) 443 #define bus_space_set_multi_4(t, h, o, v, c) \ 444 __bs_set(sm,4,(t),(h),(o),(v),(c)) 445 #define bus_space_set_multi_8(t, h, o, v, c) \ 446 __bs_set(sm,8,(t),(h),(o),(v),(c)) 447 448 /* 449 * Set region operations. 450 */ 451 #define bus_space_set_region_1(t, h, o, v, c) \ 452 __bs_set(sr,1,(t),(h),(o),(v),(c)) 453 #define bus_space_set_region_2(t, h, o, v, c) \ 454 __bs_set(sr,2,(t),(h),(o),(v),(c)) 455 #define bus_space_set_region_4(t, h, o, v, c) \ 456 __bs_set(sr,4,(t),(h),(o),(v),(c)) 457 #define bus_space_set_region_8(t, h, o, v, c) \ 458 __bs_set(sr,8,(t),(h),(o),(v),(c)) 459 460 /* 461 * Copy operations. 462 */ 463 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 464 __bs_copy(1, t, h1, o1, h2, o2, c) 465 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 466 __bs_copy(2, t, h1, o1, h2, o2, c) 467 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 468 __bs_copy(4, t, h1, o1, h2, o2, c) 469 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 470 __bs_copy(8, t, h1, o1, h2, o2, c) 471 472 /* 473 * Macros to provide prototypes for all the functions used in the 474 * bus_space structure 475 */ 476 477 #define bs_map_proto(f) \ 478 int __bs_c(f,_bs_map) (bus_space_tag_t t, bus_addr_t addr, \ 479 bus_size_t size, int cacheable, bus_space_handle_t *bshp); 480 481 #define bs_unmap_proto(f) \ 482 void __bs_c(f,_bs_unmap) (bus_space_tag_t t, bus_space_handle_t bsh, \ 483 bus_size_t size); 484 485 #define bs_subregion_proto(f) \ 486 int __bs_c(f,_bs_subregion) (bus_space_tag_t t, bus_space_handle_t bsh, \ 487 bus_size_t offset, bus_size_t size, \ 488 bus_space_handle_t *nbshp); 489 490 #define bs_alloc_proto(f) \ 491 int __bs_c(f,_bs_alloc) (bus_space_tag_t t, bus_addr_t rstart, \ 492 bus_addr_t rend, bus_size_t size, bus_size_t align, \ 493 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \ 494 bus_space_handle_t *bshp); 495 496 #define bs_free_proto(f) \ 497 void __bs_c(f,_bs_free) (bus_space_tag_t t, bus_space_handle_t bsh, \ 498 bus_size_t size); 499 500 #define bs_mmap_proto(f) \ 501 int __bs_c(f,_bs_mmap) (struct cdev *, vm_offset_t, vm_paddr_t *, int); 502 503 #define bs_barrier_proto(f) \ 504 void __bs_c(f,_bs_barrier) (bus_space_tag_t t, bus_space_handle_t bsh, \ 505 bus_size_t offset, bus_size_t len, int flags); 506 507 #define bs_r_1_proto(f) \ 508 uint8_t __bs_c(f,_bs_r_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 509 bus_size_t offset); 510 511 #define bs_r_2_proto(f) \ 512 uint16_t __bs_c(f,_bs_r_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 513 bus_size_t offset); 514 515 #define bs_r_4_proto(f) \ 516 uint32_t __bs_c(f,_bs_r_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 517 bus_size_t offset); 518 519 #define bs_r_8_proto(f) \ 520 uint64_t __bs_c(f,_bs_r_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 521 bus_size_t offset); 522 523 #define bs_r_1_s_proto(f) \ 524 uint8_t __bs_c(f,_bs_r_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 525 bus_size_t offset); 526 527 #define bs_r_2_s_proto(f) \ 528 uint16_t __bs_c(f,_bs_r_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 529 bus_size_t offset); 530 531 #define bs_r_4_s_proto(f) \ 532 uint32_t __bs_c(f,_bs_r_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 533 bus_size_t offset); 534 535 #define bs_w_1_proto(f) \ 536 void __bs_c(f,_bs_w_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 537 bus_size_t offset, uint8_t value); 538 539 #define bs_w_2_proto(f) \ 540 void __bs_c(f,_bs_w_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 541 bus_size_t offset, uint16_t value); 542 543 #define bs_w_4_proto(f) \ 544 void __bs_c(f,_bs_w_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 545 bus_size_t offset, uint32_t value); 546 547 #define bs_w_8_proto(f) \ 548 void __bs_c(f,_bs_w_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 549 bus_size_t offset, uint64_t value); 550 551 #define bs_w_1_s_proto(f) \ 552 void __bs_c(f,_bs_w_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 553 bus_size_t offset, uint8_t value); 554 555 #define bs_w_2_s_proto(f) \ 556 void __bs_c(f,_bs_w_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 557 bus_size_t offset, uint16_t value); 558 559 #define bs_w_4_s_proto(f) \ 560 void __bs_c(f,_bs_w_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 561 bus_size_t offset, uint32_t value); 562 563 #define bs_rm_1_proto(f) \ 564 void __bs_c(f,_bs_rm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 565 bus_size_t offset, uint8_t *addr, bus_size_t count); 566 567 #define bs_rm_2_proto(f) \ 568 void __bs_c(f,_bs_rm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 569 bus_size_t offset, uint16_t *addr, bus_size_t count); 570 571 #define bs_rm_4_proto(f) \ 572 void __bs_c(f,_bs_rm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 573 bus_size_t offset, uint32_t *addr, bus_size_t count); 574 575 #define bs_rm_8_proto(f) \ 576 void __bs_c(f,_bs_rm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 577 bus_size_t offset, uint64_t *addr, bus_size_t count); 578 579 #define bs_wm_1_proto(f) \ 580 void __bs_c(f,_bs_wm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 581 bus_size_t offset, const uint8_t *addr, bus_size_t count); 582 583 #define bs_wm_2_proto(f) \ 584 void __bs_c(f,_bs_wm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 585 bus_size_t offset, const uint16_t *addr, bus_size_t count); 586 587 #define bs_wm_4_proto(f) \ 588 void __bs_c(f,_bs_wm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 589 bus_size_t offset, const uint32_t *addr, bus_size_t count); 590 591 #define bs_wm_8_proto(f) \ 592 void __bs_c(f,_bs_wm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 593 bus_size_t offset, const uint64_t *addr, bus_size_t count); 594 595 #define bs_rr_1_proto(f) \ 596 void __bs_c(f, _bs_rr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 597 bus_size_t offset, uint8_t *addr, bus_size_t count); 598 599 #define bs_rr_2_proto(f) \ 600 void __bs_c(f, _bs_rr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 601 bus_size_t offset, uint16_t *addr, bus_size_t count); 602 603 #define bs_rr_4_proto(f) \ 604 void __bs_c(f, _bs_rr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 605 bus_size_t offset, uint32_t *addr, bus_size_t count); 606 607 #define bs_rr_8_proto(f) \ 608 void __bs_c(f, _bs_rr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 609 bus_size_t offset, uint64_t *addr, bus_size_t count); 610 611 #define bs_wr_1_proto(f) \ 612 void __bs_c(f, _bs_wr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 613 bus_size_t offset, const uint8_t *addr, bus_size_t count); 614 615 #define bs_wr_2_proto(f) \ 616 void __bs_c(f, _bs_wr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 617 bus_size_t offset, const uint16_t *addr, bus_size_t count); 618 619 #define bs_wr_4_proto(f) \ 620 void __bs_c(f, _bs_wr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 621 bus_size_t offset, const uint32_t *addr, bus_size_t count); 622 623 #define bs_wr_8_proto(f) \ 624 void __bs_c(f, _bs_wr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 625 bus_size_t offset, const uint64_t *addr, bus_size_t count); 626 627 #define bs_sm_1_proto(f) \ 628 void __bs_c(f,_bs_sm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 629 bus_size_t offset, uint8_t value, bus_size_t count); 630 631 #define bs_sm_2_proto(f) \ 632 void __bs_c(f,_bs_sm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 633 bus_size_t offset, uint16_t value, bus_size_t count); 634 635 #define bs_sm_4_proto(f) \ 636 void __bs_c(f,_bs_sm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 637 bus_size_t offset, uint32_t value, bus_size_t count); 638 639 #define bs_sm_8_proto(f) \ 640 void __bs_c(f,_bs_sm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 641 bus_size_t offset, uint64_t value, bus_size_t count); 642 643 #define bs_sr_1_proto(f) \ 644 void __bs_c(f,_bs_sr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 645 bus_size_t offset, uint8_t value, bus_size_t count); 646 647 #define bs_sr_2_proto(f) \ 648 void __bs_c(f,_bs_sr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 649 bus_size_t offset, uint16_t value, bus_size_t count); 650 651 #define bs_sr_4_proto(f) \ 652 void __bs_c(f,_bs_sr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 653 bus_size_t offset, uint32_t value, bus_size_t count); 654 655 #define bs_sr_8_proto(f) \ 656 void __bs_c(f,_bs_sr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 657 bus_size_t offset, uint64_t value, bus_size_t count); 658 659 #define bs_c_1_proto(f) \ 660 void __bs_c(f,_bs_c_1) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 661 bus_size_t offset1, bus_space_handle_t bsh2, \ 662 bus_size_t offset2, bus_size_t count); 663 664 #define bs_c_2_proto(f) \ 665 void __bs_c(f,_bs_c_2) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 666 bus_size_t offset1, bus_space_handle_t bsh2, \ 667 bus_size_t offset2, bus_size_t count); 668 669 #define bs_c_4_proto(f) \ 670 void __bs_c(f,_bs_c_4) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 671 bus_size_t offset1, bus_space_handle_t bsh2, \ 672 bus_size_t offset2, bus_size_t count); 673 674 #define bs_c_8_proto(f) \ 675 void __bs_c(f,_bs_c_8) (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_protos(f) \ 680 bs_map_proto(f); \ 681 bs_unmap_proto(f); \ 682 bs_subregion_proto(f); \ 683 bs_alloc_proto(f); \ 684 bs_free_proto(f); \ 685 bs_mmap_proto(f); \ 686 bs_barrier_proto(f); \ 687 bs_r_1_proto(f); \ 688 bs_r_2_proto(f); \ 689 bs_r_4_proto(f); \ 690 bs_r_8_proto(f); \ 691 bs_r_1_s_proto(f); \ 692 bs_r_2_s_proto(f); \ 693 bs_r_4_s_proto(f); \ 694 bs_w_1_proto(f); \ 695 bs_w_2_proto(f); \ 696 bs_w_4_proto(f); \ 697 bs_w_8_proto(f); \ 698 bs_w_1_s_proto(f); \ 699 bs_w_2_s_proto(f); \ 700 bs_w_4_s_proto(f); \ 701 bs_rm_1_proto(f); \ 702 bs_rm_2_proto(f); \ 703 bs_rm_4_proto(f); \ 704 bs_rm_8_proto(f); \ 705 bs_wm_1_proto(f); \ 706 bs_wm_2_proto(f); \ 707 bs_wm_4_proto(f); \ 708 bs_wm_8_proto(f); \ 709 bs_rr_1_proto(f); \ 710 bs_rr_2_proto(f); \ 711 bs_rr_4_proto(f); \ 712 bs_rr_8_proto(f); \ 713 bs_wr_1_proto(f); \ 714 bs_wr_2_proto(f); \ 715 bs_wr_4_proto(f); \ 716 bs_wr_8_proto(f); \ 717 bs_sm_1_proto(f); \ 718 bs_sm_2_proto(f); \ 719 bs_sm_4_proto(f); \ 720 bs_sm_8_proto(f); \ 721 bs_sr_1_proto(f); \ 722 bs_sr_2_proto(f); \ 723 bs_sr_4_proto(f); \ 724 bs_sr_8_proto(f); \ 725 bs_c_1_proto(f); \ 726 bs_c_2_proto(f); \ 727 bs_c_4_proto(f); \ 728 bs_c_8_proto(f); 729 730 void generic_bs_unimplemented(void); 731 #define BS_UNIMPLEMENTED (void *)generic_bs_unimplemented 732 733 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 734 735 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF 736 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 737 #define BUS_SPACE_MAXADDR 0xFFFFFFFF 738 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 739 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 740 #define BUS_SPACE_MAXSIZE 0xFFFFFFFF 741 742 #define BUS_SPACE_UNRESTRICTED (~0) 743 744 #define BUS_PEEK_FUNC(width, type) \ 745 static inline int \ 746 bus_space_peek_##width(bus_space_tag_t tag, \ 747 bus_space_handle_t hnd, bus_size_t offset, type *value) \ 748 { \ 749 type tmp; \ 750 tmp = bus_space_read_##width(tag, hnd, offset); \ 751 *value = (type)tmp; \ 752 return (0); \ 753 } 754 BUS_PEEK_FUNC(1, uint8_t) 755 BUS_PEEK_FUNC(2, uint16_t) 756 BUS_PEEK_FUNC(4, uint32_t) 757 BUS_PEEK_FUNC(8, uint64_t) 758 759 #define BUS_POKE_FUNC(width, type) \ 760 static inline int \ 761 bus_space_poke_##width(bus_space_tag_t tag, \ 762 bus_space_handle_t hnd, bus_size_t offset, type value) \ 763 { \ 764 bus_space_write_##width(tag, hnd, offset, value); \ 765 return (0); \ 766 } 767 BUS_POKE_FUNC(1, uint8_t) 768 BUS_POKE_FUNC(2, uint16_t) 769 BUS_POKE_FUNC(4, uint32_t) 770 BUS_POKE_FUNC(8, uint64_t) 771 772 #include <machine/bus_dma.h> 773 774 /* 775 * Get the physical address of a bus space memory-mapped resource. 776 * Doing this as a macro is a temporary solution until a more robust fix is 777 * designed. It also serves to mark the locations needing that fix. 778 */ 779 #define BUS_SPACE_PHYSADDR(res, offs) \ 780 ((u_int)(rman_get_start(res)+(offs))) 781 782 #endif /* _MACHINE_BUS_H_ */ 783