bus.h revision 291131
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: head/sys/arm/include/bus.h 291131 2015-11-21 13:02:34Z andrew $ 64 */ 65 66#ifndef _MACHINE_BUS_H_ 67#define _MACHINE_BUS_H_ 68 69#include <machine/_bus.h> 70#include <machine/acle-compat.h> 71 72/* 73 * int bus_space_map (bus_space_tag_t t, bus_addr_t addr, 74 * bus_size_t size, int flags, bus_space_handle_t *bshp); 75 * 76 * Map a region of bus space. 77 */ 78 79#define BUS_SPACE_MAP_CACHEABLE 0x01 80#define BUS_SPACE_MAP_LINEAR 0x02 81#define BUS_SPACE_MAP_PREFETCHABLE 0x04 82 83/* 84 * Bus space for ARM. 85 * 86 * The functions used most often are grouped together at the beginning to ensure 87 * that all the data fits into a single cache line. The inline implementations 88 * of single read/write access these values a lot. 89 */ 90struct bus_space { 91 /* Read/write single and barrier: the most commonly used functions. */ 92 uint8_t (*bs_r_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t); 93 uint32_t (*bs_r_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t); 94 void (*bs_w_1)(bus_space_tag_t, bus_space_handle_t, 95 bus_size_t, uint8_t); 96 void (*bs_w_4)(bus_space_tag_t, bus_space_handle_t, 97 bus_size_t, uint32_t); 98 void (*bs_barrier)(bus_space_tag_t, bus_space_handle_t, 99 bus_size_t, bus_size_t, int); 100 101 /* Backlink to parent (if copied), and implementation private data. */ 102 struct bus_space *bs_parent; 103 void *bs_privdata; 104 105 /* mapping/unmapping */ 106 int (*bs_map) (bus_space_tag_t, bus_addr_t, bus_size_t, 107 int, bus_space_handle_t *); 108 void (*bs_unmap) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 109 int (*bs_subregion) (bus_space_tag_t, bus_space_handle_t, 110 bus_size_t, bus_size_t, bus_space_handle_t *); 111 112 /* allocation/deallocation */ 113 int (*bs_alloc) (bus_space_tag_t, bus_addr_t, bus_addr_t, 114 bus_size_t, bus_size_t, bus_size_t, int, 115 bus_addr_t *, bus_space_handle_t *); 116 void (*bs_free) (bus_space_tag_t, bus_space_handle_t, 117 bus_size_t); 118 119 /* Read single, the less commonly used functions. */ 120 uint16_t (*bs_r_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 121 uint64_t (*bs_r_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 122 123 /* read multiple */ 124 void (*bs_rm_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 125 uint8_t *, bus_size_t); 126 void (*bs_rm_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 127 uint16_t *, bus_size_t); 128 void (*bs_rm_4) (bus_space_tag_t, bus_space_handle_t, 129 bus_size_t, uint32_t *, bus_size_t); 130 void (*bs_rm_8) (bus_space_tag_t, bus_space_handle_t, 131 bus_size_t, uint64_t *, bus_size_t); 132 133 /* read region */ 134 void (*bs_rr_1) (bus_space_tag_t, bus_space_handle_t, 135 bus_size_t, uint8_t *, bus_size_t); 136 void (*bs_rr_2) (bus_space_tag_t, bus_space_handle_t, 137 bus_size_t, uint16_t *, bus_size_t); 138 void (*bs_rr_4) (bus_space_tag_t, bus_space_handle_t, 139 bus_size_t, uint32_t *, bus_size_t); 140 void (*bs_rr_8) (bus_space_tag_t, bus_space_handle_t, 141 bus_size_t, uint64_t *, bus_size_t); 142 143 /* Write single, the less commonly used functions. */ 144 void (*bs_w_2) (bus_space_tag_t, bus_space_handle_t, 145 bus_size_t, uint16_t); 146 void (*bs_w_8) (bus_space_tag_t, bus_space_handle_t, 147 bus_size_t, uint64_t); 148 149 /* write multiple */ 150 void (*bs_wm_1) (bus_space_tag_t, bus_space_handle_t, 151 bus_size_t, const uint8_t *, bus_size_t); 152 void (*bs_wm_2) (bus_space_tag_t, bus_space_handle_t, 153 bus_size_t, const uint16_t *, bus_size_t); 154 void (*bs_wm_4) (bus_space_tag_t, bus_space_handle_t, 155 bus_size_t, const uint32_t *, bus_size_t); 156 void (*bs_wm_8) (bus_space_tag_t, bus_space_handle_t, 157 bus_size_t, const uint64_t *, bus_size_t); 158 159 /* write region */ 160 void (*bs_wr_1) (bus_space_tag_t, bus_space_handle_t, 161 bus_size_t, const uint8_t *, bus_size_t); 162 void (*bs_wr_2) (bus_space_tag_t, bus_space_handle_t, 163 bus_size_t, const uint16_t *, bus_size_t); 164 void (*bs_wr_4) (bus_space_tag_t, bus_space_handle_t, 165 bus_size_t, const uint32_t *, bus_size_t); 166 void (*bs_wr_8) (bus_space_tag_t, bus_space_handle_t, 167 bus_size_t, const uint64_t *, bus_size_t); 168 169 /* set multiple */ 170 void (*bs_sm_1) (bus_space_tag_t, bus_space_handle_t, 171 bus_size_t, uint8_t, bus_size_t); 172 void (*bs_sm_2) (bus_space_tag_t, bus_space_handle_t, 173 bus_size_t, uint16_t, bus_size_t); 174 void (*bs_sm_4) (bus_space_tag_t, bus_space_handle_t, 175 bus_size_t, uint32_t, bus_size_t); 176 void (*bs_sm_8) (bus_space_tag_t, bus_space_handle_t, 177 bus_size_t, uint64_t, bus_size_t); 178 179 /* set region */ 180 void (*bs_sr_1) (bus_space_tag_t, bus_space_handle_t, 181 bus_size_t, uint8_t, bus_size_t); 182 void (*bs_sr_2) (bus_space_tag_t, bus_space_handle_t, 183 bus_size_t, uint16_t, bus_size_t); 184 void (*bs_sr_4) (bus_space_tag_t, bus_space_handle_t, 185 bus_size_t, uint32_t, bus_size_t); 186 void (*bs_sr_8) (bus_space_tag_t, bus_space_handle_t, 187 bus_size_t, uint64_t, bus_size_t); 188 189 /* copy */ 190 void (*bs_c_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 191 bus_space_handle_t, bus_size_t, bus_size_t); 192 void (*bs_c_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 193 bus_space_handle_t, bus_size_t, bus_size_t); 194 void (*bs_c_4) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 195 bus_space_handle_t, bus_size_t, bus_size_t); 196 void (*bs_c_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 197 bus_space_handle_t, bus_size_t, bus_size_t); 198 199 /* read stream (single) */ 200 uint8_t (*bs_r_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 201 uint16_t (*bs_r_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 202 uint32_t (*bs_r_4_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 203 uint64_t (*bs_r_8_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t); 204 205 /* read multiple stream */ 206 void (*bs_rm_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 207 uint8_t *, bus_size_t); 208 void (*bs_rm_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t, 209 uint16_t *, bus_size_t); 210 void (*bs_rm_4_s) (bus_space_tag_t, bus_space_handle_t, 211 bus_size_t, uint32_t *, bus_size_t); 212 void (*bs_rm_8_s) (bus_space_tag_t, bus_space_handle_t, 213 bus_size_t, uint64_t *, bus_size_t); 214 215 /* read region stream */ 216 void (*bs_rr_1_s) (bus_space_tag_t, bus_space_handle_t, 217 bus_size_t, uint8_t *, bus_size_t); 218 void (*bs_rr_2_s) (bus_space_tag_t, bus_space_handle_t, 219 bus_size_t, uint16_t *, bus_size_t); 220 void (*bs_rr_4_s) (bus_space_tag_t, bus_space_handle_t, 221 bus_size_t, uint32_t *, bus_size_t); 222 void (*bs_rr_8_s) (bus_space_tag_t, bus_space_handle_t, 223 bus_size_t, uint64_t *, bus_size_t); 224 225 /* write stream (single) */ 226 void (*bs_w_1_s) (bus_space_tag_t, bus_space_handle_t, 227 bus_size_t, uint8_t); 228 void (*bs_w_2_s) (bus_space_tag_t, bus_space_handle_t, 229 bus_size_t, uint16_t); 230 void (*bs_w_4_s) (bus_space_tag_t, bus_space_handle_t, 231 bus_size_t, uint32_t); 232 void (*bs_w_8_s) (bus_space_tag_t, bus_space_handle_t, 233 bus_size_t, uint64_t); 234 235 /* write multiple stream */ 236 void (*bs_wm_1_s) (bus_space_tag_t, bus_space_handle_t, 237 bus_size_t, const uint8_t *, bus_size_t); 238 void (*bs_wm_2_s) (bus_space_tag_t, bus_space_handle_t, 239 bus_size_t, const uint16_t *, bus_size_t); 240 void (*bs_wm_4_s) (bus_space_tag_t, bus_space_handle_t, 241 bus_size_t, const uint32_t *, bus_size_t); 242 void (*bs_wm_8_s) (bus_space_tag_t, bus_space_handle_t, 243 bus_size_t, const uint64_t *, bus_size_t); 244 245 /* write region stream */ 246 void (*bs_wr_1_s) (bus_space_tag_t, bus_space_handle_t, 247 bus_size_t, const uint8_t *, bus_size_t); 248 void (*bs_wr_2_s) (bus_space_tag_t, bus_space_handle_t, 249 bus_size_t, const uint16_t *, bus_size_t); 250 void (*bs_wr_4_s) (bus_space_tag_t, bus_space_handle_t, 251 bus_size_t, const uint32_t *, bus_size_t); 252 void (*bs_wr_8_s) (bus_space_tag_t, bus_space_handle_t, 253 bus_size_t, const uint64_t *, bus_size_t); 254}; 255 256#if __ARM_ARCH < 6 257extern bus_space_tag_t arm_base_bs_tag; 258#endif 259 260/* 261 * Utility macros; INTERNAL USE ONLY. 262 */ 263#define __bs_c(a,b) __CONCAT(a,b) 264#define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size) 265 266#define __bs_nonsingle(type, sz, t, h, o, a, c) \ 267 (*(t)->__bs_opname(type,sz))((t), h, o, a, c) 268#define __bs_set(type, sz, t, h, o, v, c) \ 269 (*(t)->__bs_opname(type,sz))((t), h, o, v, c) 270#define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ 271 (*(t)->__bs_opname(c,sz))((t), h1, o1, h2, o2, cnt) 272 273#define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s) 274#define __bs_rs_s(sz, t, h, o) \ 275 (*(t)->__bs_opname_s(r,sz))((t), h, o) 276#define __bs_ws_s(sz, t, h, o, v) \ 277 (*(t)->__bs_opname_s(w,sz))((t), h, o, v) 278#define __bs_nonsingle_s(type, sz, t, h, o, a, c) \ 279 (*(t)->__bs_opname_s(type,sz))((t), h, o, a, c) 280 281 282#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/* 316 * Allocation and deallocation operations. 317 */ 318#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ 319 (*(t)->bs_alloc)((t), (rs), (re), (s), (a), (b), \ 320 (c), (ap), (hp)) 321#define bus_space_free(t, h, s) \ 322 (*(t)->bs_free)((t), (h), (s)) 323 324/* 325 * Bus barrier operations. 326 */ 327#define bus_space_barrier(t, h, o, l, f) \ 328 (*(t)->bs_barrier)((t), (h), (o), (l), (f)) 329 330#define BUS_SPACE_BARRIER_READ 0x01 331#define BUS_SPACE_BARRIER_WRITE 0x02 332 333/* 334 * Bus read (single) operations. 335 */ 336__generate_inline_bs_rs(bus_space_read_1, bs_r_1, uint8_t); 337__generate_inline_bs_rs(bus_space_read_2, bs_r_2, uint16_t); 338__generate_inline_bs_rs(bus_space_read_4, bs_r_4, uint32_t); 339__generate_inline_bs_rs(bus_space_read_8, bs_r_8, uint64_t); 340 341__generate_inline_bs_rs(bus_space_read_stream_1, bs_r_1_s, uint8_t); 342__generate_inline_bs_rs(bus_space_read_stream_2, bs_r_2_s, uint16_t); 343__generate_inline_bs_rs(bus_space_read_stream_4, bs_r_4_s, uint32_t); 344__generate_inline_bs_rs(bus_space_read_stream_8, bs_r_8_s, uint64_t); 345 346/* 347 * Bus read multiple operations. 348 */ 349#define bus_space_read_multi_1(t, h, o, a, c) \ 350 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) 351#define bus_space_read_multi_2(t, h, o, a, c) \ 352 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) 353#define bus_space_read_multi_4(t, h, o, a, c) \ 354 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) 355#define bus_space_read_multi_8(t, h, o, a, c) \ 356 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) 357 358#define bus_space_read_multi_stream_1(t, h, o, a, c) \ 359 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c)) 360#define bus_space_read_multi_stream_2(t, h, o, a, c) \ 361 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c)) 362#define bus_space_read_multi_stream_4(t, h, o, a, c) \ 363 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c)) 364#define bus_space_read_multi_stream_8(t, h, o, a, c) \ 365 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c)) 366 367 368/* 369 * Bus read region operations. 370 */ 371#define bus_space_read_region_1(t, h, o, a, c) \ 372 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 373#define bus_space_read_region_2(t, h, o, a, c) \ 374 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 375#define bus_space_read_region_4(t, h, o, a, c) \ 376 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 377#define bus_space_read_region_8(t, h, o, a, c) \ 378 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) 379 380#define bus_space_read_region_stream_1(t, h, o, a, c) \ 381 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) 382#define bus_space_read_region_stream_2(t, h, o, a, c) \ 383 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) 384#define bus_space_read_region_stream_4(t, h, o, a, c) \ 385 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) 386#define bus_space_read_region_stream_8(t, h, o, a, c) \ 387 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) 388 389 390/* 391 * Bus write (single) operations. 392 */ 393__generate_inline_bs_ws(bus_space_write_1, bs_w_1, uint8_t); 394__generate_inline_bs_ws(bus_space_write_2, bs_w_2, uint16_t); 395__generate_inline_bs_ws(bus_space_write_4, bs_w_4, uint32_t); 396__generate_inline_bs_ws(bus_space_write_8, bs_w_8, uint64_t); 397 398__generate_inline_bs_ws(bus_space_write_stream_1, bs_w_1_s, uint8_t); 399__generate_inline_bs_ws(bus_space_write_stream_2, bs_w_2_s, uint16_t); 400__generate_inline_bs_ws(bus_space_write_stream_4, bs_w_4_s, uint32_t); 401__generate_inline_bs_ws(bus_space_write_stream_8, bs_w_8_s, uint64_t); 402 403 404/* 405 * Bus write multiple operations. 406 */ 407#define bus_space_write_multi_1(t, h, o, a, c) \ 408 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 409#define bus_space_write_multi_2(t, h, o, a, c) \ 410 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 411#define bus_space_write_multi_4(t, h, o, a, c) \ 412 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 413#define bus_space_write_multi_8(t, h, o, a, c) \ 414 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) 415 416#define bus_space_write_multi_stream_1(t, h, o, a, c) \ 417 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) 418#define bus_space_write_multi_stream_2(t, h, o, a, c) \ 419 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) 420#define bus_space_write_multi_stream_4(t, h, o, a, c) \ 421 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) 422#define bus_space_write_multi_stream_8(t, h, o, a, c) \ 423 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) 424 425 426/* 427 * Bus write region operations. 428 */ 429#define bus_space_write_region_1(t, h, o, a, c) \ 430 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 431#define bus_space_write_region_2(t, h, o, a, c) \ 432 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 433#define bus_space_write_region_4(t, h, o, a, c) \ 434 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 435#define bus_space_write_region_8(t, h, o, a, c) \ 436 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) 437 438#define bus_space_write_region_stream_1(t, h, o, a, c) \ 439 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) 440#define bus_space_write_region_stream_2(t, h, o, a, c) \ 441 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) 442#define bus_space_write_region_stream_4(t, h, o, a, c) \ 443 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) 444#define bus_space_write_region_stream_8(t, h, o, a, c) \ 445 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) 446 447 448/* 449 * Set multiple operations. 450 */ 451#define bus_space_set_multi_1(t, h, o, v, c) \ 452 __bs_set(sm,1,(t),(h),(o),(v),(c)) 453#define bus_space_set_multi_2(t, h, o, v, c) \ 454 __bs_set(sm,2,(t),(h),(o),(v),(c)) 455#define bus_space_set_multi_4(t, h, o, v, c) \ 456 __bs_set(sm,4,(t),(h),(o),(v),(c)) 457#define bus_space_set_multi_8(t, h, o, v, c) \ 458 __bs_set(sm,8,(t),(h),(o),(v),(c)) 459 460 461/* 462 * Set region operations. 463 */ 464#define bus_space_set_region_1(t, h, o, v, c) \ 465 __bs_set(sr,1,(t),(h),(o),(v),(c)) 466#define bus_space_set_region_2(t, h, o, v, c) \ 467 __bs_set(sr,2,(t),(h),(o),(v),(c)) 468#define bus_space_set_region_4(t, h, o, v, c) \ 469 __bs_set(sr,4,(t),(h),(o),(v),(c)) 470#define bus_space_set_region_8(t, h, o, v, c) \ 471 __bs_set(sr,8,(t),(h),(o),(v),(c)) 472 473 474/* 475 * Copy operations. 476 */ 477#define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 478 __bs_copy(1, t, h1, o1, h2, o2, c) 479#define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 480 __bs_copy(2, t, h1, o1, h2, o2, c) 481#define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 482 __bs_copy(4, t, h1, o1, h2, o2, c) 483#define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 484 __bs_copy(8, t, h1, o1, h2, o2, c) 485 486/* 487 * Macros to provide prototypes for all the functions used in the 488 * bus_space structure 489 */ 490 491#define bs_map_proto(f) \ 492int __bs_c(f,_bs_map) (bus_space_tag_t t, bus_addr_t addr, \ 493 bus_size_t size, int cacheable, bus_space_handle_t *bshp); 494 495#define bs_unmap_proto(f) \ 496void __bs_c(f,_bs_unmap) (bus_space_tag_t t, bus_space_handle_t bsh, \ 497 bus_size_t size); 498 499#define bs_subregion_proto(f) \ 500int __bs_c(f,_bs_subregion) (bus_space_tag_t t, bus_space_handle_t bsh, \ 501 bus_size_t offset, bus_size_t size, \ 502 bus_space_handle_t *nbshp); 503 504#define bs_alloc_proto(f) \ 505int __bs_c(f,_bs_alloc) (bus_space_tag_t t, bus_addr_t rstart, \ 506 bus_addr_t rend, bus_size_t size, bus_size_t align, \ 507 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \ 508 bus_space_handle_t *bshp); 509 510#define bs_free_proto(f) \ 511void __bs_c(f,_bs_free) (bus_space_tag_t t, bus_space_handle_t bsh, \ 512 bus_size_t size); 513 514#define bs_mmap_proto(f) \ 515int __bs_c(f,_bs_mmap) (struct cdev *, vm_offset_t, vm_paddr_t *, int); 516 517#define bs_barrier_proto(f) \ 518void __bs_c(f,_bs_barrier) (bus_space_tag_t t, bus_space_handle_t bsh, \ 519 bus_size_t offset, bus_size_t len, int flags); 520 521#define bs_r_1_proto(f) \ 522uint8_t __bs_c(f,_bs_r_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 523 bus_size_t offset); 524 525#define bs_r_2_proto(f) \ 526uint16_t __bs_c(f,_bs_r_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 527 bus_size_t offset); 528 529#define bs_r_4_proto(f) \ 530uint32_t __bs_c(f,_bs_r_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 531 bus_size_t offset); 532 533#define bs_r_8_proto(f) \ 534uint64_t __bs_c(f,_bs_r_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 535 bus_size_t offset); 536 537#define bs_r_1_s_proto(f) \ 538uint8_t __bs_c(f,_bs_r_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 539 bus_size_t offset); 540 541#define bs_r_2_s_proto(f) \ 542uint16_t __bs_c(f,_bs_r_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 543 bus_size_t offset); 544 545#define bs_r_4_s_proto(f) \ 546uint32_t __bs_c(f,_bs_r_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 547 bus_size_t offset); 548 549#define bs_w_1_proto(f) \ 550void __bs_c(f,_bs_w_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 551 bus_size_t offset, uint8_t value); 552 553#define bs_w_2_proto(f) \ 554void __bs_c(f,_bs_w_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 555 bus_size_t offset, uint16_t value); 556 557#define bs_w_4_proto(f) \ 558void __bs_c(f,_bs_w_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 559 bus_size_t offset, uint32_t value); 560 561#define bs_w_8_proto(f) \ 562void __bs_c(f,_bs_w_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 563 bus_size_t offset, uint64_t value); 564 565#define bs_w_1_s_proto(f) \ 566void __bs_c(f,_bs_w_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 567 bus_size_t offset, uint8_t value); 568 569#define bs_w_2_s_proto(f) \ 570void __bs_c(f,_bs_w_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 571 bus_size_t offset, uint16_t value); 572 573#define bs_w_4_s_proto(f) \ 574void __bs_c(f,_bs_w_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \ 575 bus_size_t offset, uint32_t value); 576 577#define bs_rm_1_proto(f) \ 578void __bs_c(f,_bs_rm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 579 bus_size_t offset, uint8_t *addr, bus_size_t count); 580 581#define bs_rm_2_proto(f) \ 582void __bs_c(f,_bs_rm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 583 bus_size_t offset, uint16_t *addr, bus_size_t count); 584 585#define bs_rm_4_proto(f) \ 586void __bs_c(f,_bs_rm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 587 bus_size_t offset, uint32_t *addr, bus_size_t count); 588 589#define bs_rm_8_proto(f) \ 590void __bs_c(f,_bs_rm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 591 bus_size_t offset, uint64_t *addr, bus_size_t count); 592 593#define bs_wm_1_proto(f) \ 594void __bs_c(f,_bs_wm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 595 bus_size_t offset, const uint8_t *addr, bus_size_t count); 596 597#define bs_wm_2_proto(f) \ 598void __bs_c(f,_bs_wm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 599 bus_size_t offset, const uint16_t *addr, bus_size_t count); 600 601#define bs_wm_4_proto(f) \ 602void __bs_c(f,_bs_wm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 603 bus_size_t offset, const uint32_t *addr, bus_size_t count); 604 605#define bs_wm_8_proto(f) \ 606void __bs_c(f,_bs_wm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 607 bus_size_t offset, const uint64_t *addr, bus_size_t count); 608 609#define bs_rr_1_proto(f) \ 610void __bs_c(f, _bs_rr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 611 bus_size_t offset, uint8_t *addr, bus_size_t count); 612 613#define bs_rr_2_proto(f) \ 614void __bs_c(f, _bs_rr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 615 bus_size_t offset, uint16_t *addr, bus_size_t count); 616 617#define bs_rr_4_proto(f) \ 618void __bs_c(f, _bs_rr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 619 bus_size_t offset, uint32_t *addr, bus_size_t count); 620 621#define bs_rr_8_proto(f) \ 622void __bs_c(f, _bs_rr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 623 bus_size_t offset, uint64_t *addr, bus_size_t count); 624 625#define bs_wr_1_proto(f) \ 626void __bs_c(f, _bs_wr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 627 bus_size_t offset, const uint8_t *addr, bus_size_t count); 628 629#define bs_wr_2_proto(f) \ 630void __bs_c(f, _bs_wr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 631 bus_size_t offset, const uint16_t *addr, bus_size_t count); 632 633#define bs_wr_4_proto(f) \ 634void __bs_c(f, _bs_wr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 635 bus_size_t offset, const uint32_t *addr, bus_size_t count); 636 637#define bs_wr_8_proto(f) \ 638void __bs_c(f, _bs_wr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 639 bus_size_t offset, const uint64_t *addr, bus_size_t count); 640 641#define bs_sm_1_proto(f) \ 642void __bs_c(f,_bs_sm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 643 bus_size_t offset, uint8_t value, bus_size_t count); 644 645#define bs_sm_2_proto(f) \ 646void __bs_c(f,_bs_sm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 647 bus_size_t offset, uint16_t value, bus_size_t count); 648 649#define bs_sm_4_proto(f) \ 650void __bs_c(f,_bs_sm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 651 bus_size_t offset, uint32_t value, bus_size_t count); 652 653#define bs_sm_8_proto(f) \ 654void __bs_c(f,_bs_sm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 655 bus_size_t offset, uint64_t value, bus_size_t count); 656 657#define bs_sr_1_proto(f) \ 658void __bs_c(f,_bs_sr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \ 659 bus_size_t offset, uint8_t value, bus_size_t count); 660 661#define bs_sr_2_proto(f) \ 662void __bs_c(f,_bs_sr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \ 663 bus_size_t offset, uint16_t value, bus_size_t count); 664 665#define bs_sr_4_proto(f) \ 666void __bs_c(f,_bs_sr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \ 667 bus_size_t offset, uint32_t value, bus_size_t count); 668 669#define bs_sr_8_proto(f) \ 670void __bs_c(f,_bs_sr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \ 671 bus_size_t offset, uint64_t value, bus_size_t count); 672 673#define bs_c_1_proto(f) \ 674void __bs_c(f,_bs_c_1) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 675 bus_size_t offset1, bus_space_handle_t bsh2, \ 676 bus_size_t offset2, bus_size_t count); 677 678#define bs_c_2_proto(f) \ 679void __bs_c(f,_bs_c_2) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 680 bus_size_t offset1, bus_space_handle_t bsh2, \ 681 bus_size_t offset2, bus_size_t count); 682 683#define bs_c_4_proto(f) \ 684void __bs_c(f,_bs_c_4) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 685 bus_size_t offset1, bus_space_handle_t bsh2, \ 686 bus_size_t offset2, bus_size_t count); 687 688#define bs_c_8_proto(f) \ 689void __bs_c(f,_bs_c_8) (bus_space_tag_t t, bus_space_handle_t bsh1, \ 690 bus_size_t offset1, bus_space_handle_t bsh2, \ 691 bus_size_t offset2, bus_size_t count); 692 693#define bs_protos(f) \ 694bs_map_proto(f); \ 695bs_unmap_proto(f); \ 696bs_subregion_proto(f); \ 697bs_alloc_proto(f); \ 698bs_free_proto(f); \ 699bs_mmap_proto(f); \ 700bs_barrier_proto(f); \ 701bs_r_1_proto(f); \ 702bs_r_2_proto(f); \ 703bs_r_4_proto(f); \ 704bs_r_8_proto(f); \ 705bs_r_1_s_proto(f); \ 706bs_r_2_s_proto(f); \ 707bs_r_4_s_proto(f); \ 708bs_w_1_proto(f); \ 709bs_w_2_proto(f); \ 710bs_w_4_proto(f); \ 711bs_w_8_proto(f); \ 712bs_w_1_s_proto(f); \ 713bs_w_2_s_proto(f); \ 714bs_w_4_s_proto(f); \ 715bs_rm_1_proto(f); \ 716bs_rm_2_proto(f); \ 717bs_rm_4_proto(f); \ 718bs_rm_8_proto(f); \ 719bs_wm_1_proto(f); \ 720bs_wm_2_proto(f); \ 721bs_wm_4_proto(f); \ 722bs_wm_8_proto(f); \ 723bs_rr_1_proto(f); \ 724bs_rr_2_proto(f); \ 725bs_rr_4_proto(f); \ 726bs_rr_8_proto(f); \ 727bs_wr_1_proto(f); \ 728bs_wr_2_proto(f); \ 729bs_wr_4_proto(f); \ 730bs_wr_8_proto(f); \ 731bs_sm_1_proto(f); \ 732bs_sm_2_proto(f); \ 733bs_sm_4_proto(f); \ 734bs_sm_8_proto(f); \ 735bs_sr_1_proto(f); \ 736bs_sr_2_proto(f); \ 737bs_sr_4_proto(f); \ 738bs_sr_8_proto(f); \ 739bs_c_1_proto(f); \ 740bs_c_2_proto(f); \ 741bs_c_4_proto(f); \ 742bs_c_8_proto(f); 743 744void generic_bs_unimplemented(void); 745#define BS_UNIMPLEMENTED (void *)generic_bs_unimplemented 746 747#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 748 749#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF 750#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 751#define BUS_SPACE_MAXADDR 0xFFFFFFFF 752#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 753#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 754#define BUS_SPACE_MAXSIZE 0xFFFFFFFF 755 756#define BUS_SPACE_UNRESTRICTED (~0) 757 758#include <machine/bus_dma.h> 759 760/* 761 * Get the physical address of a bus space memory-mapped resource. 762 * Doing this as a macro is a temporary solution until a more robust fix is 763 * designed. It also serves to mark the locations needing that fix. 764 */ 765#define BUS_SPACE_PHYSADDR(res, offs) \ 766 ((u_int)(rman_get_start(res)+(offs))) 767 768#endif /* _MACHINE_BUS_H_ */ 769