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sys/arm/include/bus.h
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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 * Copyright (c) 1996 Charles M. Hannum. All rights reserved. 35 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by Christopher G. Demetriou 48 * for the NetBSD Project. 49 * 4. The name of the author may not be used to endorse or promote products 50 * derived from this software without specific prior written permission 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 53 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 54 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 55 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 56 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 57 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 61 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 * 63 * $FreeBSD: releng/11.2/sys/arm/include/bus.h 331722 2018-03-29 02:50:57Z eadler $ 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 #if __ARM_ARCH < 6 256 extern bus_space_tag_t arm_base_bs_tag; 257 #endif 258 259 /* 260 * Utility macros; INTERNAL USE ONLY. 261 */ 262 #define __bs_c(a,b) __CONCAT(a,b) 263 #define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size) 264 265 #define __bs_nonsingle(type, sz, t, h, o, a, c) \ 266 (*(t)->__bs_opname(type,sz))((t), h, o, a, c) 267 #define __bs_set(type, sz, t, h, o, v, c) \ 268 (*(t)->__bs_opname(type,sz))((t), h, o, v, c) 269 #define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ 270 (*(t)->__bs_opname(c,sz))((t), h1, o1, h2, o2, cnt) 271 272 #define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s) 273 #define __bs_rs_s(sz, t, h, o) \ 274 (*(t)->__bs_opname_s(r,sz))((t), h, o) 275 #define __bs_ws_s(sz, t, h, o, v) \ 276 (*(t)->__bs_opname_s(w,sz))((t), h, o, v) 277 #define __bs_nonsingle_s(type, sz, t, h, o, a, c) \ 278 (*(t)->__bs_opname_s(type,sz))((t), h, o, a, c) 279 280 281 #define __generate_inline_bs_rs(IFN, MBR, TYP) \ 282 static inline TYP \ 283 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) \ 284 { \ 285 \ 286 if (__predict_true(t->MBR == NULL)) \ 287 return (*(volatile TYP *)(h + o)); \ 288 else \ 289 return (t->MBR(t, h, o)); \ 290 } 291 292 #define __generate_inline_bs_ws(IFN, MBR, TYP) \ 293 static inline void \ 294 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, TYP v)\ 295 { \ 296 \ 297 if (__predict_true(t->MBR == NULL)) \ 298 *(volatile TYP *)(h + o) = v; \ 299 else \ 300 t->MBR(t, h, o, v); \ 301 } 302 303 /* 304 * Mapping and unmapping operations. 305 */ 306 #define bus_space_map(t, a, s, c, hp) \ 307 (*(t)->bs_map)((t), (a), (s), (c), (hp)) 308 #define bus_space_unmap(t, h, s) \ 309 (*(t)->bs_unmap)((t), (h), (s)) 310 #define bus_space_subregion(t, h, o, s, hp) \ 311 (*(t)->bs_subregion)((t), (h), (o), (s), (hp)) 312 313 314 /* 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 /* 368 * Bus read region operations. 369 */ 370 #define bus_space_read_region_1(t, h, o, a, c) \ 371 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 372 #define bus_space_read_region_2(t, h, o, a, c) \ 373 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 374 #define bus_space_read_region_4(t, h, o, a, c) \ 375 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 376 #define bus_space_read_region_8(t, h, o, a, c) \ 377 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) 378 379 #define bus_space_read_region_stream_1(t, h, o, a, c) \ 380 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) 381 #define bus_space_read_region_stream_2(t, h, o, a, c) \ 382 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) 383 #define bus_space_read_region_stream_4(t, h, o, a, c) \ 384 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) 385 #define bus_space_read_region_stream_8(t, h, o, a, c) \ 386 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) 387 388 389 /* 390 * Bus write (single) operations. 391 */ 392 __generate_inline_bs_ws(bus_space_write_1, bs_w_1, uint8_t); 393 __generate_inline_bs_ws(bus_space_write_2, bs_w_2, uint16_t); 394 __generate_inline_bs_ws(bus_space_write_4, bs_w_4, uint32_t); 395 __generate_inline_bs_ws(bus_space_write_8, bs_w_8, uint64_t); 396 397 __generate_inline_bs_ws(bus_space_write_stream_1, bs_w_1_s, uint8_t); 398 __generate_inline_bs_ws(bus_space_write_stream_2, bs_w_2_s, uint16_t); 399 __generate_inline_bs_ws(bus_space_write_stream_4, bs_w_4_s, uint32_t); 400 __generate_inline_bs_ws(bus_space_write_stream_8, bs_w_8_s, uint64_t); 401 402 403 /* 404 * Bus write multiple operations. 405 */ 406 #define bus_space_write_multi_1(t, h, o, a, c) \ 407 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 408 #define bus_space_write_multi_2(t, h, o, a, c) \ 409 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 410 #define bus_space_write_multi_4(t, h, o, a, c) \ 411 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 412 #define bus_space_write_multi_8(t, h, o, a, c) \ 413 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) 414 415 #define bus_space_write_multi_stream_1(t, h, o, a, c) \ 416 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) 417 #define bus_space_write_multi_stream_2(t, h, o, a, c) \ 418 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) 419 #define bus_space_write_multi_stream_4(t, h, o, a, c) \ 420 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) 421 #define bus_space_write_multi_stream_8(t, h, o, a, c) \ 422 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) 423 424 425 /* 426 * Bus write region operations. 427 */ 428 #define bus_space_write_region_1(t, h, o, a, c) \ 429 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 430 #define bus_space_write_region_2(t, h, o, a, c) \ 431 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 432 #define bus_space_write_region_4(t, h, o, a, c) \ 433 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 434 #define bus_space_write_region_8(t, h, o, a, c) \ 435 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) 436 437 #define bus_space_write_region_stream_1(t, h, o, a, c) \ 438 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) 439 #define bus_space_write_region_stream_2(t, h, o, a, c) \ 440 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) 441 #define bus_space_write_region_stream_4(t, h, o, a, c) \ 442 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) 443 #define bus_space_write_region_stream_8(t, h, o, a, c) \ 444 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) 445 446 447 /* 448 * Set multiple operations. 449 */ 450 #define bus_space_set_multi_1(t, h, o, v, c) \ 451 __bs_set(sm,1,(t),(h),(o),(v),(c)) 452 #define bus_space_set_multi_2(t, h, o, v, c) \ 453 __bs_set(sm,2,(t),(h),(o),(v),(c)) 454 #define bus_space_set_multi_4(t, h, o, v, c) \ 455 __bs_set(sm,4,(t),(h),(o),(v),(c)) 456 #define bus_space_set_multi_8(t, h, o, v, c) \ 457 __bs_set(sm,8,(t),(h),(o),(v),(c)) 458 459 460 /* 461 * Set region operations. 462 */ 463 #define bus_space_set_region_1(t, h, o, v, c) \ 464 __bs_set(sr,1,(t),(h),(o),(v),(c)) 465 #define bus_space_set_region_2(t, h, o, v, c) \ 466 __bs_set(sr,2,(t),(h),(o),(v),(c)) 467 #define bus_space_set_region_4(t, h, o, v, c) \ 468 __bs_set(sr,4,(t),(h),(o),(v),(c)) 469 #define bus_space_set_region_8(t, h, o, v, c) \ 470 __bs_set(sr,8,(t),(h),(o),(v),(c)) 471 472 473 /* 474 * Copy operations. 475 */ 476 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 477 __bs_copy(1, t, h1, o1, h2, o2, c) 478 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 479 __bs_copy(2, t, h1, o1, h2, o2, c) 480 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 481 __bs_copy(4, t, h1, o1, h2, o2, c) 482 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 483 __bs_copy(8, t, h1, o1, h2, o2, c) 484 485 /* 486 * Macros to provide prototypes for all the functions used in the 487 * bus_space structure 488 */ 489 490 #define bs_map_proto(f) \ 491 int __bs_c(f,_bs_map) (bus_space_tag_t t, bus_addr_t addr, \ 492 bus_size_t size, int cacheable, bus_space_handle_t *bshp); 493 494 #define bs_unmap_proto(f) \ 495 void __bs_c(f,_bs_unmap) (bus_space_tag_t t, bus_space_handle_t bsh, \ 496 bus_size_t size); 497 498 #define bs_subregion_proto(f) \ 499 int __bs_c(f,_bs_subregion) (bus_space_tag_t t, bus_space_handle_t bsh, \ 500 bus_size_t offset, bus_size_t size, \ 501 bus_space_handle_t *nbshp); 502 503 #define bs_alloc_proto(f) \ 504 int __bs_c(f,_bs_alloc) (bus_space_tag_t t, bus_addr_t rstart, \ 505 bus_addr_t rend, bus_size_t size, bus_size_t align, \ 506 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \ 507 bus_space_handle_t *bshp); 508 509 #define bs_free_proto(f) \ 510 void __bs_c(f,_bs_free) (bus_space_tag_t t, bus_space_handle_t bsh, \ 511 bus_size_t size); 512 513 #define bs_mmap_proto(f) \ 514 int __bs_c(f,_bs_mmap) (struct cdev *, vm_offset_t, vm_paddr_t *, int); 515 516 #define bs_barrier_proto(f) \ 517 void __bs_c(f,_bs_barrier) (bus_space_tag_t t, bus_space_handle_t bsh, \ 518 bus_size_t offset, bus_size_t len, int flags); 519 520 #define bs_r_1_proto(f) \ 521 uint8_t __bs_c(f,_bs_r_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 522 bus_size_t offset); 523 524 #define bs_r_2_proto(f) \ 525 uint16_t __bs_c(f,_bs_r_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 526 bus_size_t offset); 527 528 #define bs_r_4_proto(f) \ 529 uint32_t __bs_c(f,_bs_r_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 530 bus_size_t offset); 531 532 #define bs_r_8_proto(f) \ 533 uint64_t __bs_c(f,_bs_r_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 534 bus_size_t offset); 535 536 #define bs_r_1_s_proto(f) \ 537 uint8_t __bs_c(f,_bs_r_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 538 bus_size_t offset); 539 540 #define bs_r_2_s_proto(f) \ 541 uint16_t __bs_c(f,_bs_r_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 542 bus_size_t offset); 543 544 #define bs_r_4_s_proto(f) \ 545 uint32_t __bs_c(f,_bs_r_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 546 bus_size_t offset); 547 548 #define bs_w_1_proto(f) \ 549 void __bs_c(f,_bs_w_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 550 bus_size_t offset, uint8_t value); 551 552 #define bs_w_2_proto(f) \ 553 void __bs_c(f,_bs_w_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 554 bus_size_t offset, uint16_t value); 555 556 #define bs_w_4_proto(f) \ 557 void __bs_c(f,_bs_w_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 558 bus_size_t offset, uint32_t value); 559 560 #define bs_w_8_proto(f) \ 561 void __bs_c(f,_bs_w_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 562 bus_size_t offset, uint64_t value); 563 564 #define bs_w_1_s_proto(f) \ 565 void __bs_c(f,_bs_w_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 566 bus_size_t offset, uint8_t value); 567 568 #define bs_w_2_s_proto(f) \ 569 void __bs_c(f,_bs_w_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 570 bus_size_t offset, uint16_t value); 571 572 #define bs_w_4_s_proto(f) \ 573 void __bs_c(f,_bs_w_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 574 bus_size_t offset, uint32_t value); 575 576 #define bs_rm_1_proto(f) \ 577 void __bs_c(f,_bs_rm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 578 bus_size_t offset, uint8_t *addr, bus_size_t count); 579 580 #define bs_rm_2_proto(f) \ 581 void __bs_c(f,_bs_rm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 582 bus_size_t offset, uint16_t *addr, bus_size_t count); 583 584 #define bs_rm_4_proto(f) \ 585 void __bs_c(f,_bs_rm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 586 bus_size_t offset, uint32_t *addr, bus_size_t count); 587 588 #define bs_rm_8_proto(f) \ 589 void __bs_c(f,_bs_rm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 590 bus_size_t offset, uint64_t *addr, bus_size_t count); 591 592 #define bs_wm_1_proto(f) \ 593 void __bs_c(f,_bs_wm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 594 bus_size_t offset, const uint8_t *addr, bus_size_t count); 595 596 #define bs_wm_2_proto(f) \ 597 void __bs_c(f,_bs_wm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 598 bus_size_t offset, const uint16_t *addr, bus_size_t count); 599 600 #define bs_wm_4_proto(f) \ 601 void __bs_c(f,_bs_wm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 602 bus_size_t offset, const uint32_t *addr, bus_size_t count); 603 604 #define bs_wm_8_proto(f) \ 605 void __bs_c(f,_bs_wm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 606 bus_size_t offset, const uint64_t *addr, bus_size_t count); 607 608 #define bs_rr_1_proto(f) \ 609 void __bs_c(f, _bs_rr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 610 bus_size_t offset, uint8_t *addr, bus_size_t count); 611 612 #define bs_rr_2_proto(f) \ 613 void __bs_c(f, _bs_rr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 614 bus_size_t offset, uint16_t *addr, bus_size_t count); 615 616 #define bs_rr_4_proto(f) \ 617 void __bs_c(f, _bs_rr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 618 bus_size_t offset, uint32_t *addr, bus_size_t count); 619 620 #define bs_rr_8_proto(f) \ 621 void __bs_c(f, _bs_rr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 622 bus_size_t offset, uint64_t *addr, bus_size_t count); 623 624 #define bs_wr_1_proto(f) \ 625 void __bs_c(f, _bs_wr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 626 bus_size_t offset, const uint8_t *addr, bus_size_t count); 627 628 #define bs_wr_2_proto(f) \ 629 void __bs_c(f, _bs_wr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 630 bus_size_t offset, const uint16_t *addr, bus_size_t count); 631 632 #define bs_wr_4_proto(f) \ 633 void __bs_c(f, _bs_wr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 634 bus_size_t offset, const uint32_t *addr, bus_size_t count); 635 636 #define bs_wr_8_proto(f) \ 637 void __bs_c(f, _bs_wr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 638 bus_size_t offset, const uint64_t *addr, bus_size_t count); 639 640 #define bs_sm_1_proto(f) \ 641 void __bs_c(f,_bs_sm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 642 bus_size_t offset, uint8_t value, bus_size_t count); 643 644 #define bs_sm_2_proto(f) \ 645 void __bs_c(f,_bs_sm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 646 bus_size_t offset, uint16_t value, bus_size_t count); 647 648 #define bs_sm_4_proto(f) \ 649 void __bs_c(f,_bs_sm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 650 bus_size_t offset, uint32_t value, bus_size_t count); 651 652 #define bs_sm_8_proto(f) \ 653 void __bs_c(f,_bs_sm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 654 bus_size_t offset, uint64_t value, bus_size_t count); 655 656 #define bs_sr_1_proto(f) \ 657 void __bs_c(f,_bs_sr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 658 bus_size_t offset, uint8_t value, bus_size_t count); 659 660 #define bs_sr_2_proto(f) \ 661 void __bs_c(f,_bs_sr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 662 bus_size_t offset, uint16_t value, bus_size_t count); 663 664 #define bs_sr_4_proto(f) \ 665 void __bs_c(f,_bs_sr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 666 bus_size_t offset, uint32_t value, bus_size_t count); 667 668 #define bs_sr_8_proto(f) \ 669 void __bs_c(f,_bs_sr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 670 bus_size_t offset, uint64_t value, bus_size_t count); 671 672 #define bs_c_1_proto(f) \ 673 void __bs_c(f,_bs_c_1) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 674 bus_size_t offset1, bus_space_handle_t bsh2, \ 675 bus_size_t offset2, bus_size_t count); 676 677 #define bs_c_2_proto(f) \ 678 void __bs_c(f,_bs_c_2) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 679 bus_size_t offset1, bus_space_handle_t bsh2, \ 680 bus_size_t offset2, bus_size_t count); 681 682 #define bs_c_4_proto(f) \ 683 void __bs_c(f,_bs_c_4) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 684 bus_size_t offset1, bus_space_handle_t bsh2, \ 685 bus_size_t offset2, bus_size_t count); 686 687 #define bs_c_8_proto(f) \ 688 void __bs_c(f,_bs_c_8) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 689 bus_size_t offset1, bus_space_handle_t bsh2, \ 690 bus_size_t offset2, bus_size_t count); 691 692 #define bs_protos(f) \ 693 bs_map_proto(f); \ 694 bs_unmap_proto(f); \ 695 bs_subregion_proto(f); \ 696 bs_alloc_proto(f); \ 697 bs_free_proto(f); \ 698 bs_mmap_proto(f); \ 699 bs_barrier_proto(f); \ 700 bs_r_1_proto(f); \ 701 bs_r_2_proto(f); \ 702 bs_r_4_proto(f); \ 703 bs_r_8_proto(f); \ 704 bs_r_1_s_proto(f); \ 705 bs_r_2_s_proto(f); \ 706 bs_r_4_s_proto(f); \ 707 bs_w_1_proto(f); \ 708 bs_w_2_proto(f); \ 709 bs_w_4_proto(f); \ 710 bs_w_8_proto(f); \ 711 bs_w_1_s_proto(f); \ 712 bs_w_2_s_proto(f); \ 713 bs_w_4_s_proto(f); \ 714 bs_rm_1_proto(f); \ 715 bs_rm_2_proto(f); \ 716 bs_rm_4_proto(f); \ 717 bs_rm_8_proto(f); \ 718 bs_wm_1_proto(f); \ 719 bs_wm_2_proto(f); \ 720 bs_wm_4_proto(f); \ 721 bs_wm_8_proto(f); \ 722 bs_rr_1_proto(f); \ 723 bs_rr_2_proto(f); \ 724 bs_rr_4_proto(f); \ 725 bs_rr_8_proto(f); \ 726 bs_wr_1_proto(f); \ 727 bs_wr_2_proto(f); \ 728 bs_wr_4_proto(f); \ 729 bs_wr_8_proto(f); \ 730 bs_sm_1_proto(f); \ 731 bs_sm_2_proto(f); \ 732 bs_sm_4_proto(f); \ 733 bs_sm_8_proto(f); \ 734 bs_sr_1_proto(f); \ 735 bs_sr_2_proto(f); \ 736 bs_sr_4_proto(f); \ 737 bs_sr_8_proto(f); \ 738 bs_c_1_proto(f); \ 739 bs_c_2_proto(f); \ 740 bs_c_4_proto(f); \ 741 bs_c_8_proto(f); 742 743 void generic_bs_unimplemented(void); 744 #define BS_UNIMPLEMENTED (void *)generic_bs_unimplemented 745 746 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 747 748 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF 749 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 750 #define BUS_SPACE_MAXADDR 0xFFFFFFFF 751 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 752 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 753 #define BUS_SPACE_MAXSIZE 0xFFFFFFFF 754 755 #define BUS_SPACE_UNRESTRICTED (~0) 756 757 #include <machine/bus_dma.h> 758 759 /* 760 * Get the physical address of a bus space memory-mapped resource. 761 * Doing this as a macro is a temporary solution until a more robust fix is 762 * designed. It also serves to mark the locations needing that fix. 763 */ 764 #define BUS_SPACE_PHYSADDR(res, offs) \ 765 ((u_int)(rman_get_start(res)+(offs))) 766 767 #endif /* _MACHINE_BUS_H_ */
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