bus_funcs.h revision 1.7
1 /* $NetBSD: bus_funcs.h,v 1.7 2018/04/01 04:35:04 ryo 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 64 #ifndef _ARM_BUS_FUNCS_H_ 65 #define _ARM_BUS_FUNCS_H_ 66 67 #ifdef _KERNEL_OPT 68 #include "opt_cputypes.h" 69 #endif 70 71 /* 72 * Utility macros; INTERNAL USE ONLY. 73 */ 74 #define __bs_c(a,b) __CONCAT(a,b) 75 #define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size) 76 77 #define __bs_rs(sz, t, h, o) \ 78 (*(t)->__bs_opname(r,sz))((t)->bs_cookie, h, o) 79 #define __bs_ws(sz, t, h, o, v) \ 80 (*(t)->__bs_opname(w,sz))((t)->bs_cookie, h, o, v) 81 #define __bs_nonsingle(type, sz, t, h, o, a, c) \ 82 (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c) 83 #define __bs_set(type, sz, t, h, o, v, c) \ 84 (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v, c) 85 #define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ 86 (*(t)->__bs_opname(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt) 87 88 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 89 #define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s) 90 #define __bs_rs_s(sz, t, h, o) \ 91 (*(t)->__bs_opname_s(r,sz))((t)->bs_cookie, h, o) 92 #define __bs_ws_s(sz, t, h, o, v) \ 93 (*(t)->__bs_opname_s(w,sz))((t)->bs_cookie, h, o, v) 94 #define __bs_nonsingle_s(type, sz, t, h, o, a, c) \ 95 (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, a, c) 96 #define __bs_set_s(type, sz, t, h, o, v, c) \ 97 (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, v, c) 98 #define __bs_copy_s(sz, t, h1, o1, h2, o2, cnt) \ 99 (*(t)->__bs_opname_s(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt) 100 #endif 101 102 #ifdef __BUS_SPACE_HAS_PROBING_METHODS 103 #define __bs_pe(sz, t, h, o, v) \ 104 (*(t)->__bs_opname(pe,sz))((t)->bs_cookie, h, o, v) 105 #define __bs_po(sz, t, h, o, v) \ 106 (*(t)->__bs_opname(po,sz))((t)->bs_cookie, h, o, v) 107 #endif 108 109 /* 110 * Mapping and unmapping operations. 111 */ 112 #define bus_space_map(t, a, s, c, hp) \ 113 (*(t)->bs_map)((t)->bs_cookie, (a), (s), (c), (hp)) 114 #define bus_space_unmap(t, h, s) \ 115 (*(t)->bs_unmap)((t)->bs_cookie, (h), (s)) 116 #define bus_space_subregion(t, h, o, s, hp) \ 117 (*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp)) 118 119 120 /* 121 * Allocation and deallocation operations. 122 */ 123 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ 124 (*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b), \ 125 (c), (ap), (hp)) 126 #define bus_space_free(t, h, s) \ 127 (*(t)->bs_free)((t)->bs_cookie, (h), (s)) 128 129 /* 130 * Get kernel virtual address for ranges mapped BUS_SPACE_MAP_LINEAR. 131 */ 132 #define bus_space_vaddr(t, h) \ 133 (*(t)->bs_vaddr)((t)->bs_cookie, (h)) 134 135 /* 136 * MMap bus space for a user application. 137 */ 138 #define bus_space_mmap(t, a, o, p, f) \ 139 (*(t)->bs_mmap)((t)->bs_cookie, (a), (o), (p), (f)) 140 141 /* 142 * Bus barrier operations. 143 */ 144 #define bus_space_barrier(t, h, o, l, f) \ 145 (*(t)->bs_barrier)((t)->bs_cookie, (h), (o), (l), (f)) 146 147 /* 148 * Bus read (single) operations. 149 */ 150 #define bus_space_read_1(t, h, o) __bs_rs(1,(t),(h),(o)) 151 #define bus_space_read_2(t, h, o) __bs_rs(2,(t),(h),(o)) 152 #define bus_space_read_4(t, h, o) __bs_rs(4,(t),(h),(o)) 153 #define bus_space_read_8(t, h, o) __bs_rs(8,(t),(h),(o)) 154 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 155 #define bus_space_read_stream_1(t, h, o) __bs_rs_s(1,(t),(h),(o)) 156 #define bus_space_read_stream_2(t, h, o) __bs_rs_s(2,(t),(h),(o)) 157 #define bus_space_read_stream_4(t, h, o) __bs_rs_s(4,(t),(h),(o)) 158 #define bus_space_read_stream_8(t, h, o) __bs_rs_s(8,(t),(h),(o)) 159 #endif 160 161 162 /* 163 * Bus read multiple operations. 164 */ 165 #define bus_space_read_multi_1(t, h, o, a, c) \ 166 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) 167 #define bus_space_read_multi_2(t, h, o, a, c) \ 168 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) 169 #define bus_space_read_multi_4(t, h, o, a, c) \ 170 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) 171 #define bus_space_read_multi_8(t, h, o, a, c) \ 172 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) 173 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 174 #define bus_space_read_multi_stream_1(t, h, o, a, c) \ 175 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c)) 176 #define bus_space_read_multi_stream_2(t, h, o, a, c) \ 177 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c)) 178 #define bus_space_read_multi_stream_4(t, h, o, a, c) \ 179 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c)) 180 #define bus_space_read_multi_stream_8(t, h, o, a, c) \ 181 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c)) 182 #endif 183 184 185 /* 186 * Bus read region operations. 187 */ 188 #define bus_space_read_region_1(t, h, o, a, c) \ 189 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 190 #define bus_space_read_region_2(t, h, o, a, c) \ 191 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 192 #define bus_space_read_region_4(t, h, o, a, c) \ 193 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 194 #define bus_space_read_region_8(t, h, o, a, c) \ 195 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) 196 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 197 #define bus_space_read_region_stream_1(t, h, o, a, c) \ 198 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) 199 #define bus_space_read_region_stream_2(t, h, o, a, c) \ 200 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) 201 #define bus_space_read_region_stream_4(t, h, o, a, c) \ 202 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) 203 #define bus_space_read_region_stream_8(t, h, o, a, c) \ 204 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) 205 #endif 206 207 208 /* 209 * Bus write (single) operations. 210 */ 211 #define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v)) 212 #define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v)) 213 #define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v)) 214 #define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v)) 215 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 216 #define bus_space_write_stream_1(t, h, o, v) __bs_ws_s(1,(t),(h),(o),(v)) 217 #define bus_space_write_stream_2(t, h, o, v) __bs_ws_s(2,(t),(h),(o),(v)) 218 #define bus_space_write_stream_4(t, h, o, v) __bs_ws_s(4,(t),(h),(o),(v)) 219 #define bus_space_write_stream_8(t, h, o, v) __bs_ws_s(8,(t),(h),(o),(v)) 220 #endif 221 222 223 /* 224 * Bus write multiple operations. 225 */ 226 #define bus_space_write_multi_1(t, h, o, a, c) \ 227 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 228 #define bus_space_write_multi_2(t, h, o, a, c) \ 229 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 230 #define bus_space_write_multi_4(t, h, o, a, c) \ 231 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 232 #define bus_space_write_multi_8(t, h, o, a, c) \ 233 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) 234 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 235 #define bus_space_write_multi_stream_1(t, h, o, a, c) \ 236 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) 237 #define bus_space_write_multi_stream_2(t, h, o, a, c) \ 238 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) 239 #define bus_space_write_multi_stream_4(t, h, o, a, c) \ 240 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) 241 #define bus_space_write_multi_stream_8(t, h, o, a, c) \ 242 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) 243 #endif 244 245 246 /* 247 * Bus write region operations. 248 */ 249 #define bus_space_write_region_1(t, h, o, a, c) \ 250 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 251 #define bus_space_write_region_2(t, h, o, a, c) \ 252 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 253 #define bus_space_write_region_4(t, h, o, a, c) \ 254 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 255 #define bus_space_write_region_8(t, h, o, a, c) \ 256 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) 257 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 258 #define bus_space_write_region_stream_1(t, h, o, a, c) \ 259 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) 260 #define bus_space_write_region_stream_2(t, h, o, a, c) \ 261 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) 262 #define bus_space_write_region_stream_4(t, h, o, a, c) \ 263 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) 264 #define bus_space_write_region_stream_8(t, h, o, a, c) \ 265 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) 266 #endif 267 268 269 /* 270 * Set multiple operations. 271 */ 272 #define bus_space_set_multi_1(t, h, o, v, c) \ 273 __bs_set(sm,1,(t),(h),(o),(v),(c)) 274 #define bus_space_set_multi_2(t, h, o, v, c) \ 275 __bs_set(sm,2,(t),(h),(o),(v),(c)) 276 #define bus_space_set_multi_4(t, h, o, v, c) \ 277 __bs_set(sm,4,(t),(h),(o),(v),(c)) 278 #define bus_space_set_multi_8(t, h, o, v, c) \ 279 __bs_set(sm,8,(t),(h),(o),(v),(c)) 280 281 /* 282 * Set region operations. 283 */ 284 #define bus_space_set_region_1(t, h, o, v, c) \ 285 __bs_set(sr,1,(t),(h),(o),(v),(c)) 286 #define bus_space_set_region_2(t, h, o, v, c) \ 287 __bs_set(sr,2,(t),(h),(o),(v),(c)) 288 #define bus_space_set_region_4(t, h, o, v, c) \ 289 __bs_set(sr,4,(t),(h),(o),(v),(c)) 290 #define bus_space_set_region_8(t, h, o, v, c) \ 291 __bs_set(sr,8,(t),(h),(o),(v),(c)) 292 293 /* 294 * Copy operations. 295 */ 296 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 297 __bs_copy(1, t, h1, o1, h2, o2, c) 298 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 299 __bs_copy(2, t, h1, o1, h2, o2, c) 300 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 301 __bs_copy(4, t, h1, o1, h2, o2, c) 302 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 303 __bs_copy(8, t, h1, o1, h2, o2, c) 304 305 /* 306 * Probing operations. 307 */ 308 #ifdef __BUS_SPACE_HAS_PROBING_METHODS 309 #define bus_space_peek_1(t, h, o, p) __bs_pe(1,(t),(h),(o),(p)) 310 #define bus_space_peek_2(t, h, o, p) __bs_pe(2,(t),(h),(o),(p)) 311 #define bus_space_peek_4(t, h, o, p) __bs_pe(4,(t),(h),(o),(p)) 312 #define bus_space_peek_8(t, h, o, p) __bs_pe(8,(t),(h),(o),(p)) 313 314 #define bus_space_poke_1(t, h, o, v) __bs_po(1,(t),(h),(o),(v)) 315 #define bus_space_poke_2(t, h, o, v) __bs_po(2,(t),(h),(o),(v)) 316 #define bus_space_poke_4(t, h, o, v) __bs_po(4,(t),(h),(o),(v)) 317 #define bus_space_poke_8(t, h, o, v) __bs_po(8,(t),(h),(o),(v)) 318 #endif 319 320 /* 321 * Macros to provide prototypes for all the functions used in the 322 * bus_space structure 323 */ 324 325 #define bs_map_proto(f) \ 326 int __bs_c(f,_bs_map)(void *t, bus_addr_t addr, \ 327 bus_size_t size, int cacheable, bus_space_handle_t *bshp); 328 329 #define bs_unmap_proto(f) \ 330 void __bs_c(f,_bs_unmap)(void *t, bus_space_handle_t bsh, \ 331 bus_size_t size); 332 333 #define bs_subregion_proto(f) \ 334 int __bs_c(f,_bs_subregion)(void *t, bus_space_handle_t bsh, \ 335 bus_size_t offset, bus_size_t size, \ 336 bus_space_handle_t *nbshp); 337 338 #define bs_alloc_proto(f) \ 339 int __bs_c(f,_bs_alloc)(void *t, bus_addr_t rstart, \ 340 bus_addr_t rend, bus_size_t size, bus_size_t align, \ 341 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \ 342 bus_space_handle_t *bshp); 343 344 #define bs_free_proto(f) \ 345 void __bs_c(f,_bs_free)(void *t, bus_space_handle_t bsh, \ 346 bus_size_t size); 347 348 #define bs_vaddr_proto(f) \ 349 void * __bs_c(f,_bs_vaddr)(void *t, bus_space_handle_t bsh); 350 351 #define bs_mmap_proto(f) \ 352 paddr_t __bs_c(f,_bs_mmap)(void *, bus_addr_t, off_t, int, int); 353 354 #define bs_barrier_proto(f) \ 355 void __bs_c(f,_bs_barrier)(void *t, bus_space_handle_t bsh, \ 356 bus_size_t offset, bus_size_t len, int flags); 357 358 #define bs_r_1_proto(f) \ 359 uint8_t __bs_c(f,_bs_r_1)(void *t, bus_space_handle_t bsh, \ 360 bus_size_t offset); 361 362 #define bs_r_2_proto(f) \ 363 uint16_t __bs_c(f,_bs_r_2)(void *t, bus_space_handle_t bsh, \ 364 bus_size_t offset); \ 365 uint16_t __bs_c(f,_bs_r_2_swap)(void *t, bus_space_handle_t bsh, \ 366 bus_size_t offset); 367 368 #define bs_r_4_proto(f) \ 369 uint32_t __bs_c(f,_bs_r_4)(void *t, bus_space_handle_t bsh, \ 370 bus_size_t offset); \ 371 uint32_t __bs_c(f,_bs_r_4_swap)(void *t, bus_space_handle_t bsh, \ 372 bus_size_t offset); 373 374 #define bs_r_8_proto(f) \ 375 uint64_t __bs_c(f,_bs_r_8)(void *t, bus_space_handle_t bsh, \ 376 bus_size_t offset); \ 377 uint64_t __bs_c(f,_bs_r_8_swap)(void *t, bus_space_handle_t bsh, \ 378 bus_size_t offset); 379 380 #define bs_w_1_proto(f) \ 381 void __bs_c(f,_bs_w_1)(void *t, bus_space_handle_t bsh, \ 382 bus_size_t offset, uint8_t value); 383 384 #define bs_w_2_proto(f) \ 385 void __bs_c(f,_bs_w_2)(void *t, bus_space_handle_t bsh, \ 386 bus_size_t offset, uint16_t value); \ 387 void __bs_c(f,_bs_w_2_swap)(void *t, bus_space_handle_t bsh, \ 388 bus_size_t offset, uint16_t value); 389 390 #define bs_w_4_proto(f) \ 391 void __bs_c(f,_bs_w_4)(void *t, bus_space_handle_t bsh, \ 392 bus_size_t offset, uint32_t value); \ 393 void __bs_c(f,_bs_w_4_swap)(void *t, bus_space_handle_t bsh, \ 394 bus_size_t offset, uint32_t value); 395 396 #define bs_w_8_proto(f) \ 397 void __bs_c(f,_bs_w_8)(void *t, bus_space_handle_t bsh, \ 398 bus_size_t offset, uint64_t value); \ 399 void __bs_c(f,_bs_w_8_swap)(void *t, bus_space_handle_t bsh, \ 400 bus_size_t offset, uint64_t value); 401 402 #define bs_rm_1_proto(f) \ 403 void __bs_c(f,_bs_rm_1)(void *t, bus_space_handle_t bsh, \ 404 bus_size_t offset, uint8_t *addr, bus_size_t count); 405 406 #define bs_rm_2_proto(f) \ 407 void __bs_c(f,_bs_rm_2)(void *t, bus_space_handle_t bsh, \ 408 bus_size_t offset, uint16_t *addr, bus_size_t count); \ 409 void __bs_c(f,_bs_rm_2_swap)(void *t, bus_space_handle_t bsh, \ 410 bus_size_t offset, uint16_t *addr, bus_size_t count); 411 412 #define bs_rm_4_proto(f) \ 413 void __bs_c(f,_bs_rm_4)(void *t, bus_space_handle_t bsh, \ 414 bus_size_t offset, uint32_t *addr, bus_size_t count); \ 415 void __bs_c(f,_bs_rm_4_swap)(void *t, bus_space_handle_t bsh, \ 416 bus_size_t offset, uint32_t *addr, bus_size_t count); 417 418 #define bs_rm_8_proto(f) \ 419 void __bs_c(f,_bs_rm_8)(void *t, bus_space_handle_t bsh, \ 420 bus_size_t offset, uint64_t *addr, bus_size_t count); \ 421 void __bs_c(f,_bs_rm_8_swap)(void *t, bus_space_handle_t bsh, \ 422 bus_size_t offset, uint64_t *addr, bus_size_t count); 423 424 #define bs_wm_1_proto(f) \ 425 void __bs_c(f,_bs_wm_1)(void *t, bus_space_handle_t bsh, \ 426 bus_size_t offset, const uint8_t *addr, bus_size_t count); \ 427 428 #define bs_wm_2_proto(f) \ 429 void __bs_c(f,_bs_wm_2)(void *t, bus_space_handle_t bsh, \ 430 bus_size_t offset, const uint16_t *addr, bus_size_t count); \ 431 void __bs_c(f,_bs_wm_2_swap)(void *t, bus_space_handle_t bsh, \ 432 bus_size_t offset, const uint16_t *addr, bus_size_t count); 433 434 #define bs_wm_4_proto(f) \ 435 void __bs_c(f,_bs_wm_4)(void *t, bus_space_handle_t bsh, \ 436 bus_size_t offset, const uint32_t *addr, bus_size_t count); \ 437 void __bs_c(f,_bs_wm_4_swap)(void *t, bus_space_handle_t bsh, \ 438 bus_size_t offset, const uint32_t *addr, bus_size_t count); 439 440 #define bs_wm_8_proto(f) \ 441 void __bs_c(f,_bs_wm_8)(void *t, bus_space_handle_t bsh, \ 442 bus_size_t offset, const uint64_t *addr, bus_size_t count); \ 443 void __bs_c(f,_bs_wm_8_swap)(void *t, bus_space_handle_t bsh, \ 444 bus_size_t offset, const uint64_t *addr, bus_size_t count); 445 446 #define bs_rr_1_proto(f) \ 447 void __bs_c(f, _bs_rr_1)(void *t, bus_space_handle_t bsh, \ 448 bus_size_t offset, uint8_t *addr, bus_size_t count); 449 450 #define bs_rr_2_proto(f) \ 451 void __bs_c(f, _bs_rr_2)(void *t, bus_space_handle_t bsh, \ 452 bus_size_t offset, uint16_t *addr, bus_size_t count); \ 453 void __bs_c(f, _bs_rr_2_swap)(void *t, bus_space_handle_t bsh, \ 454 bus_size_t offset, uint16_t *addr, bus_size_t count); 455 456 #define bs_rr_4_proto(f) \ 457 void __bs_c(f, _bs_rr_4)(void *t, bus_space_handle_t bsh, \ 458 bus_size_t offset, uint32_t *addr, bus_size_t count); \ 459 void __bs_c(f, _bs_rr_4_swap)(void *t, bus_space_handle_t bsh, \ 460 bus_size_t offset, uint32_t *addr, bus_size_t count); 461 462 #define bs_rr_8_proto(f) \ 463 void __bs_c(f, _bs_rr_8)(void *t, bus_space_handle_t bsh, \ 464 bus_size_t offset, uint64_t *addr, bus_size_t count); \ 465 void __bs_c(f, _bs_rr_8_swap)(void *t, bus_space_handle_t bsh, \ 466 bus_size_t offset, uint64_t *addr, bus_size_t count); 467 468 #define bs_wr_1_proto(f) \ 469 void __bs_c(f, _bs_wr_1)(void *t, bus_space_handle_t bsh, \ 470 bus_size_t offset, const uint8_t *addr, bus_size_t count); 471 472 #define bs_wr_2_proto(f) \ 473 void __bs_c(f, _bs_wr_2)(void *t, bus_space_handle_t bsh, \ 474 bus_size_t offset, const uint16_t *addr, bus_size_t count); \ 475 void __bs_c(f, _bs_wr_2_swap)(void *t, bus_space_handle_t bsh, \ 476 bus_size_t offset, const uint16_t *addr, bus_size_t count); 477 478 #define bs_wr_4_proto(f) \ 479 void __bs_c(f, _bs_wr_4)(void *t, bus_space_handle_t bsh, \ 480 bus_size_t offset, const uint32_t *addr, bus_size_t count); \ 481 void __bs_c(f, _bs_wr_4_swap)(void *t, bus_space_handle_t bsh, \ 482 bus_size_t offset, const uint32_t *addr, bus_size_t count); 483 484 #define bs_wr_8_proto(f) \ 485 void __bs_c(f, _bs_wr_8)(void *t, bus_space_handle_t bsh, \ 486 bus_size_t offset, const uint64_t *addr, bus_size_t count); \ 487 void __bs_c(f, _bs_wr_8_swap)(void *t, bus_space_handle_t bsh, \ 488 bus_size_t offset, const uint64_t *addr, bus_size_t count); 489 490 #define bs_sm_1_proto(f) \ 491 void __bs_c(f,_bs_sm_1)(void *t, bus_space_handle_t bsh, \ 492 bus_size_t offset, uint8_t value, bus_size_t count); 493 494 #define bs_sm_2_proto(f) \ 495 void __bs_c(f,_bs_sm_2)(void *t, bus_space_handle_t bsh, \ 496 bus_size_t offset, uint16_t value, bus_size_t count); 497 498 #define bs_sm_4_proto(f) \ 499 void __bs_c(f,_bs_sm_4)(void *t, bus_space_handle_t bsh, \ 500 bus_size_t offset, uint32_t value, bus_size_t count); 501 502 #define bs_sm_8_proto(f) \ 503 void __bs_c(f,_bs_sm_8)(void *t, bus_space_handle_t bsh, \ 504 bus_size_t offset, uint64_t value, bus_size_t count); 505 506 #define bs_sr_1_proto(f) \ 507 void __bs_c(f,_bs_sr_1)(void *t, bus_space_handle_t bsh, \ 508 bus_size_t offset, uint8_t value, bus_size_t count); 509 510 #define bs_sr_2_proto(f) \ 511 void __bs_c(f,_bs_sr_2)(void *t, bus_space_handle_t bsh, \ 512 bus_size_t offset, uint16_t value, bus_size_t count); \ 513 void __bs_c(f,_bs_sr_2_swap)(void *t, bus_space_handle_t bsh, \ 514 bus_size_t offset, uint16_t value, bus_size_t count); 515 516 #define bs_sr_4_proto(f) \ 517 void __bs_c(f,_bs_sr_4)(void *t, bus_space_handle_t bsh, \ 518 bus_size_t offset, uint32_t value, bus_size_t count); \ 519 void __bs_c(f,_bs_sr_4_swap)(void *t, bus_space_handle_t bsh, \ 520 bus_size_t offset, uint32_t value, bus_size_t count); 521 522 #define bs_sr_8_proto(f) \ 523 void __bs_c(f,_bs_sr_8)(void *t, bus_space_handle_t bsh, \ 524 bus_size_t offset, uint64_t value, bus_size_t count); \ 525 void __bs_c(f,_bs_sr_8_swap)(void *t, bus_space_handle_t bsh, \ 526 bus_size_t offset, uint64_t value, bus_size_t count); 527 528 #define bs_c_1_proto(f) \ 529 void __bs_c(f,_bs_c_1)(void *t, bus_space_handle_t bsh1, \ 530 bus_size_t offset1, bus_space_handle_t bsh2, \ 531 bus_size_t offset2, bus_size_t count); 532 533 #define bs_c_2_proto(f) \ 534 void __bs_c(f,_bs_c_2)(void *t, bus_space_handle_t bsh1, \ 535 bus_size_t offset1, bus_space_handle_t bsh2, \ 536 bus_size_t offset2, bus_size_t count); 537 538 #define bs_c_4_proto(f) \ 539 void __bs_c(f,_bs_c_4)(void *t, bus_space_handle_t bsh1, \ 540 bus_size_t offset1, bus_space_handle_t bsh2, \ 541 bus_size_t offset2, bus_size_t count); 542 543 #define bs_c_8_proto(f) \ 544 void __bs_c(f,_bs_c_8)(void *t, bus_space_handle_t bsh1, \ 545 bus_size_t offset1, bus_space_handle_t bsh2, \ 546 bus_size_t offset2, bus_size_t count); 547 548 #define bs_pe_1_proto(f) \ 549 int __bs_c(f,_bs_pe_1)(void *t, bus_space_handle_t bsh, \ 550 bus_size_t offset, uint8_t *datap); 551 552 #define bs_pe_2_proto(f) \ 553 int __bs_c(f,_bs_pe_2)(void *t, bus_space_handle_t bsh, \ 554 bus_size_t offset, uint16_t *datap); \ 555 556 #define bs_pe_4_proto(f) \ 557 int __bs_c(f,_bs_pe_4)(void *t, bus_space_handle_t bsh, \ 558 bus_size_t offset, uint32_t *datap); \ 559 560 #define bs_pe_8_proto(f) \ 561 int __bs_c(f,_bs_pe_8)(void *t, bus_space_handle_t bsh, \ 562 bus_size_t offset, uint64_t *datap); \ 563 564 #define bs_po_1_proto(f) \ 565 int __bs_c(f,_bs_po_1)(void *t, bus_space_handle_t bsh, \ 566 bus_size_t offset, uint8_t value); 567 568 #define bs_po_2_proto(f) \ 569 int __bs_c(f,_bs_po_2)(void *t, bus_space_handle_t bsh, \ 570 bus_size_t offset, uint16_t value); \ 571 572 #define bs_po_4_proto(f) \ 573 int __bs_c(f,_bs_po_4)(void *t, bus_space_handle_t bsh, \ 574 bus_size_t offset, uint32_t value); \ 575 576 #define bs_po_8_proto(f) \ 577 int __bs_c(f,_bs_po_8)(void *t, bus_space_handle_t bsh, \ 578 bus_size_t offset, uint64_t value); \ 579 580 581 #define bs_protos(f) \ 582 bs_map_proto(f); \ 583 bs_unmap_proto(f); \ 584 bs_subregion_proto(f); \ 585 bs_alloc_proto(f); \ 586 bs_free_proto(f); \ 587 bs_vaddr_proto(f); \ 588 bs_mmap_proto(f); \ 589 bs_barrier_proto(f); \ 590 bs_r_1_proto(f); \ 591 bs_r_2_proto(f); \ 592 bs_r_4_proto(f); \ 593 bs_r_8_proto(f); \ 594 bs_w_1_proto(f); \ 595 bs_w_2_proto(f); \ 596 bs_w_4_proto(f); \ 597 bs_w_8_proto(f); \ 598 bs_rm_1_proto(f); \ 599 bs_rm_2_proto(f); \ 600 bs_rm_4_proto(f); \ 601 bs_rm_8_proto(f); \ 602 bs_wm_1_proto(f); \ 603 bs_wm_2_proto(f); \ 604 bs_wm_4_proto(f); \ 605 bs_wm_8_proto(f); \ 606 bs_rr_1_proto(f); \ 607 bs_rr_2_proto(f); \ 608 bs_rr_4_proto(f); \ 609 bs_rr_8_proto(f); \ 610 bs_wr_1_proto(f); \ 611 bs_wr_2_proto(f); \ 612 bs_wr_4_proto(f); \ 613 bs_wr_8_proto(f); \ 614 bs_sm_1_proto(f); \ 615 bs_sm_2_proto(f); \ 616 bs_sm_4_proto(f); \ 617 bs_sm_8_proto(f); \ 618 bs_sr_1_proto(f); \ 619 bs_sr_2_proto(f); \ 620 bs_sr_4_proto(f); \ 621 bs_sr_8_proto(f); \ 622 bs_c_1_proto(f); \ 623 bs_c_2_proto(f); \ 624 bs_c_4_proto(f); \ 625 bs_c_8_proto(f); \ 626 bs_pe_1_proto(f); \ 627 bs_pe_2_proto(f); \ 628 bs_pe_4_proto(f); \ 629 bs_pe_8_proto(f); \ 630 bs_po_1_proto(f); \ 631 bs_po_2_proto(f); \ 632 bs_po_4_proto(f); \ 633 bs_po_8_proto(f); 634 635 /* Bus Space DMA macros */ 636 637 /* Forwards needed by prototypes below. */ 638 struct mbuf; 639 struct uio; 640 641 #define bus_dmamap_create(t, s, n, m, b, f, p) \ 642 (*(t)->_dmamap_create)((t), (s), (n), (m), (b), (f), (p)) 643 #define bus_dmamap_destroy(t, p) \ 644 (*(t)->_dmamap_destroy)((t), (p)) 645 #define bus_dmamap_load(t, m, b, s, p, f) \ 646 (*(t)->_dmamap_load)((t), (m), (b), (s), (p), (f)) 647 #define bus_dmamap_load_mbuf(t, m, b, f) \ 648 (*(t)->_dmamap_load_mbuf)((t), (m), (b), (f)) 649 #define bus_dmamap_load_uio(t, m, u, f) \ 650 (*(t)->_dmamap_load_uio)((t), (m), (u), (f)) 651 #define bus_dmamap_load_raw(t, m, sg, n, s, f) \ 652 (*(t)->_dmamap_load_raw)((t), (m), (sg), (n), (s), (f)) 653 #define bus_dmamap_unload(t, p) \ 654 (*(t)->_dmamap_unload)((t), (p)) 655 #define bus_dmamap_sync(t, p, o, l, ops) \ 656 do { \ 657 if (((p)->_dm_flags & (_BUS_DMAMAP_COHERENT|_BUS_DMAMAP_IS_BOUNCING)) == _BUS_DMAMAP_COHERENT) \ 658 break; \ 659 if (((ops) & (BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)) != 0 \ 660 && (t)->_dmamap_sync_pre != NULL) \ 661 (*(t)->_dmamap_sync_pre)((t), (p), (o), (l), (ops)); \ 662 else if (((ops) & (BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)) != 0 \ 663 && (t)->_dmamap_sync_post != NULL) \ 664 (*(t)->_dmamap_sync_post)((t), (p), (o), (l), (ops)); \ 665 } while (/*CONSTCOND*/0) 666 667 #define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \ 668 (*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f)) 669 #define bus_dmamem_free(t, sg, n) \ 670 (*(t)->_dmamem_free)((t), (sg), (n)) 671 #define bus_dmamem_map(t, sg, n, s, k, f) \ 672 (*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f)) 673 #define bus_dmamem_unmap(t, k, s) \ 674 (*(t)->_dmamem_unmap)((t), (k), (s)) 675 #define bus_dmamem_mmap(t, sg, n, o, p, f) \ 676 (*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f)) 677 678 #define bus_dmatag_subregion(t, mna, mxa, nt, f) \ 679 (*(t)->_dmatag_subregion)((t), (mna), (mxa), (nt), (f)) 680 #define bus_dmatag_destroy(t) \ 681 (*(t)->_dmatag_destroy)(t) 682 683 #ifdef _ARM32_BUS_DMA_PRIVATE 684 685 extern paddr_t physical_start, physical_end; 686 687 int arm32_dma_range_intersect(struct arm32_dma_range *, int, 688 paddr_t pa, psize_t size, paddr_t *pap, psize_t *sizep); 689 690 int _bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t, 691 bus_size_t, int, bus_dmamap_t *); 692 void _bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t); 693 int _bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, 694 bus_size_t, struct proc *, int); 695 int _bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t, 696 struct mbuf *, int); 697 int _bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t, 698 struct uio *, int); 699 int _bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t, 700 bus_dma_segment_t *, int, bus_size_t, int); 701 void _bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t); 702 void _bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t, 703 bus_size_t, int); 704 705 #if defined(_ARM32_NEED_BUS_DMA_BOUNCE) || defined(CPU_CORTEX) 706 #define _BUS_DMAMAP_SYNC_FUNCS \ 707 ._dmamap_sync_pre = _bus_dmamap_sync, \ 708 ._dmamap_sync_post = _bus_dmamap_sync 709 #else 710 #define _BUS_DMAMAP_SYNC_FUNCS \ 711 ._dmamap_sync_pre = _bus_dmamap_sync 712 #endif 713 714 #define _BUS_DMAMAP_FUNCS \ 715 ._dmamap_create = _bus_dmamap_create, \ 716 ._dmamap_destroy = _bus_dmamap_destroy, \ 717 ._dmamap_load = _bus_dmamap_load, \ 718 ._dmamap_load_mbuf = _bus_dmamap_load_mbuf, \ 719 ._dmamap_load_raw = _bus_dmamap_load_raw, \ 720 ._dmamap_load_uio = _bus_dmamap_load_uio, \ 721 ._dmamap_unload = _bus_dmamap_unload, \ 722 _BUS_DMAMAP_SYNC_FUNCS 723 724 int _bus_dmamem_alloc(bus_dma_tag_t tag, bus_size_t size, 725 bus_size_t alignment, bus_size_t boundary, 726 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags); 727 void _bus_dmamem_free(bus_dma_tag_t tag, bus_dma_segment_t *segs, 728 int nsegs); 729 int _bus_dmamem_map(bus_dma_tag_t tag, bus_dma_segment_t *segs, 730 int nsegs, size_t size, void **kvap, int flags); 731 void _bus_dmamem_unmap(bus_dma_tag_t tag, void *kva, 732 size_t size); 733 paddr_t _bus_dmamem_mmap(bus_dma_tag_t tag, bus_dma_segment_t *segs, 734 int nsegs, off_t off, int prot, int flags); 735 736 #define _BUS_DMAMEM_FUNCS \ 737 ._dmamem_alloc = _bus_dmamem_alloc, \ 738 ._dmamem_free = _bus_dmamem_free, \ 739 ._dmamem_map = _bus_dmamem_map, \ 740 ._dmamem_unmap = _bus_dmamem_unmap, \ 741 ._dmamem_mmap = _bus_dmamem_mmap 742 743 int _bus_dmamem_alloc_range(bus_dma_tag_t tag, bus_size_t size, 744 bus_size_t alignment, bus_size_t boundary, 745 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags, 746 vaddr_t low, vaddr_t high); 747 748 int _bus_dmatag_subregion(bus_dma_tag_t, bus_addr_t, bus_addr_t, 749 bus_dma_tag_t *, int); 750 void _bus_dmatag_destroy(bus_dma_tag_t); 751 752 #define _BUS_DMATAG_FUNCS \ 753 ._dmatag_subregion = _bus_dmatag_subregion, \ 754 ._dmatag_destroy = _bus_dmatag_destroy 755 756 #endif /* _ARM32_BUS_DMA_PRIVATE */ 757 758 #endif /* _ARM_BUS_FUNCS_H_ */ 759
Indexes created Tue Sep 30 20:09:53 GMT 2025