1 /* $NetBSD: bus_funcs.h,v 1.4 2025/02/02 11:29:37 skrll 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 _RISCV_BUS_FUNCS_H_ 65 #define _RISCV_BUS_FUNCS_H_ 66 67 /* 68 * Utility macros; INTERNAL USE ONLY. 69 */ 70 #define __bs_c(a,b) __CONCAT(a,b) 71 #define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size) 72 73 #define __bs_rs(sz, t, h, o) \ 74 (*(t)->__bs_opname(r,sz))(t, h, o) 75 #define __bs_ws(sz, t, h, o, v) \ 76 (*(t)->__bs_opname(w,sz))(t, h, o, v) 77 #define __bs_nonsingle(type, sz, t, h, o, a, c) \ 78 (*(t)->__bs_opname(type,sz))(t, h, o, a, c) 79 #define __bs_set(type, sz, t, h, o, v, c) \ 80 (*(t)->__bs_opname(type,sz))(t, h, o, v, c) 81 #define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ 82 (*(t)->__bs_opname(c,sz))(t, h1, o1, h2, o2, cnt) 83 84 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 85 #define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s) 86 #define __bs_rs_s(sz, t, h, o) \ 87 (*(t)->__bs_opname_s(r,sz))(t, h, o) 88 #define __bs_ws_s(sz, t, h, o, v) \ 89 (*(t)->__bs_opname_s(w,sz))(t, h, o, v) 90 #define __bs_nonsingle_s(type, sz, t, h, o, a, c) \ 91 (*(t)->__bs_opname_s(type,sz))(t, h, o, a, c) 92 #define __bs_set_s(type, sz, t, h, o, v, c) \ 93 (*(t)->__bs_opname_s(type,sz))(t, h, o, v, c) 94 #define __bs_copy_s(sz, t, h1, o1, h2, o2, cnt) \ 95 (*(t)->__bs_opname_s(c,sz))(t, h1, o1, h2, o2, cnt) 96 #endif 97 98 #ifdef __BUS_SPACE_HAS_PROBING_METHODS 99 #define __bs_pe(sz, t, h, o, v) \ 100 (*(t)->__bs_opname(pe,sz))(t, h, o, v) 101 #define __bs_po(sz, t, h, o, v) \ 102 (*(t)->__bs_opname(po,sz))(t, h, o, v) 103 #endif 104 105 /* 106 * Mapping and unmapping operations. 107 */ 108 #define bus_space_map(t, a, s, c, hp) \ 109 (*(t)->bs_map)((t), (a), (s), (c), (hp)) 110 #define bus_space_unmap(t, h, s) \ 111 (*(t)->bs_unmap)((t), (h), (s)) 112 #define bus_space_subregion(t, h, o, s, hp) \ 113 (*(t)->bs_subregion)((t), (h), (o), (s), (hp)) 114 115 116 /* 117 * Allocation and deallocation operations. 118 */ 119 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ 120 (*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b), \ 121 (c), (ap), (hp)) 122 #define bus_space_free(t, h, s) \ 123 (*(t)->bs_free)((t)->bs_cookie, (h), (s)) 124 125 /* 126 * Get kernel virtual address for ranges mapped BUS_SPACE_MAP_LINEAR. 127 */ 128 #define bus_space_vaddr(t, h) \ 129 (*(t)->bs_vaddr)((t), (h)) 130 131 /* 132 * MMap bus space for a user application. 133 */ 134 #define bus_space_mmap(t, a, o, p, f) \ 135 (*(t)->bs_mmap)((t)->bs_cookie, (a), (o), (p), (f)) 136 137 /* 138 * Bus barrier operations. 139 */ 140 #define bus_space_barrier(t, h, o, l, f) \ 141 (*(t)->bs_barrier)((t), (h), (o), (l), (f)) 142 143 /* 144 * Bus read (single) operations. 145 */ 146 #define bus_space_read_1(t, h, o) __bs_rs(1,(t),(h),(o)) 147 #define bus_space_read_2(t, h, o) __bs_rs(2,(t),(h),(o)) 148 #define bus_space_read_4(t, h, o) __bs_rs(4,(t),(h),(o)) 149 #define bus_space_read_8(t, h, o) __bs_rs(8,(t),(h),(o)) 150 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 151 #define bus_space_read_stream_1(t, h, o) __bs_rs_s(1,(t),(h),(o)) 152 #define bus_space_read_stream_2(t, h, o) __bs_rs_s(2,(t),(h),(o)) 153 #define bus_space_read_stream_4(t, h, o) __bs_rs_s(4,(t),(h),(o)) 154 #define bus_space_read_stream_8(t, h, o) __bs_rs_s(8,(t),(h),(o)) 155 #endif 156 157 158 /* 159 * Bus read multiple operations. 160 */ 161 #define bus_space_read_multi_1(t, h, o, a, c) \ 162 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) 163 #define bus_space_read_multi_2(t, h, o, a, c) \ 164 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) 165 #define bus_space_read_multi_4(t, h, o, a, c) \ 166 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) 167 #define bus_space_read_multi_8(t, h, o, a, c) \ 168 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) 169 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 170 #define bus_space_read_multi_stream_1(t, h, o, a, c) \ 171 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c)) 172 #define bus_space_read_multi_stream_2(t, h, o, a, c) \ 173 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c)) 174 #define bus_space_read_multi_stream_4(t, h, o, a, c) \ 175 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c)) 176 #define bus_space_read_multi_stream_8(t, h, o, a, c) \ 177 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c)) 178 #endif 179 180 181 /* 182 * Bus read region operations. 183 */ 184 #define bus_space_read_region_1(t, h, o, a, c) \ 185 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 186 #define bus_space_read_region_2(t, h, o, a, c) \ 187 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 188 #define bus_space_read_region_4(t, h, o, a, c) \ 189 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 190 #define bus_space_read_region_8(t, h, o, a, c) \ 191 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) 192 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 193 #define bus_space_read_region_stream_1(t, h, o, a, c) \ 194 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) 195 #define bus_space_read_region_stream_2(t, h, o, a, c) \ 196 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) 197 #define bus_space_read_region_stream_4(t, h, o, a, c) \ 198 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) 199 #define bus_space_read_region_stream_8(t, h, o, a, c) \ 200 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) 201 #endif 202 203 204 /* 205 * Bus write (single) operations. 206 */ 207 #define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v)) 208 #define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v)) 209 #define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v)) 210 #define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v)) 211 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 212 #define bus_space_write_stream_1(t, h, o, v) __bs_ws_s(1,(t),(h),(o),(v)) 213 #define bus_space_write_stream_2(t, h, o, v) __bs_ws_s(2,(t),(h),(o),(v)) 214 #define bus_space_write_stream_4(t, h, o, v) __bs_ws_s(4,(t),(h),(o),(v)) 215 #define bus_space_write_stream_8(t, h, o, v) __bs_ws_s(8,(t),(h),(o),(v)) 216 #endif 217 218 219 /* 220 * Bus write multiple operations. 221 */ 222 #define bus_space_write_multi_1(t, h, o, a, c) \ 223 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 224 #define bus_space_write_multi_2(t, h, o, a, c) \ 225 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 226 #define bus_space_write_multi_4(t, h, o, a, c) \ 227 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 228 #define bus_space_write_multi_8(t, h, o, a, c) \ 229 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) 230 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 231 #define bus_space_write_multi_stream_1(t, h, o, a, c) \ 232 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) 233 #define bus_space_write_multi_stream_2(t, h, o, a, c) \ 234 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) 235 #define bus_space_write_multi_stream_4(t, h, o, a, c) \ 236 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) 237 #define bus_space_write_multi_stream_8(t, h, o, a, c) \ 238 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) 239 #endif 240 241 242 /* 243 * Bus write region operations. 244 */ 245 #define bus_space_write_region_1(t, h, o, a, c) \ 246 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 247 #define bus_space_write_region_2(t, h, o, a, c) \ 248 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 249 #define bus_space_write_region_4(t, h, o, a, c) \ 250 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 251 #define bus_space_write_region_8(t, h, o, a, c) \ 252 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) 253 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 254 #define bus_space_write_region_stream_1(t, h, o, a, c) \ 255 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) 256 #define bus_space_write_region_stream_2(t, h, o, a, c) \ 257 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) 258 #define bus_space_write_region_stream_4(t, h, o, a, c) \ 259 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) 260 #define bus_space_write_region_stream_8(t, h, o, a, c) \ 261 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) 262 #endif 263 264 265 /* 266 * Set multiple operations. 267 */ 268 #define bus_space_set_multi_1(t, h, o, v, c) \ 269 __bs_set(sm,1,(t),(h),(o),(v),(c)) 270 #define bus_space_set_multi_2(t, h, o, v, c) \ 271 __bs_set(sm,2,(t),(h),(o),(v),(c)) 272 #define bus_space_set_multi_4(t, h, o, v, c) \ 273 __bs_set(sm,4,(t),(h),(o),(v),(c)) 274 #define bus_space_set_multi_8(t, h, o, v, c) \ 275 __bs_set(sm,8,(t),(h),(o),(v),(c)) 276 277 /* 278 * Set region operations. 279 */ 280 #define bus_space_set_region_1(t, h, o, v, c) \ 281 __bs_set(sr,1,(t),(h),(o),(v),(c)) 282 #define bus_space_set_region_2(t, h, o, v, c) \ 283 __bs_set(sr,2,(t),(h),(o),(v),(c)) 284 #define bus_space_set_region_4(t, h, o, v, c) \ 285 __bs_set(sr,4,(t),(h),(o),(v),(c)) 286 #define bus_space_set_region_8(t, h, o, v, c) \ 287 __bs_set(sr,8,(t),(h),(o),(v),(c)) 288 289 /* 290 * Copy operations. 291 */ 292 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 293 __bs_copy(1, t, h1, o1, h2, o2, c) 294 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 295 __bs_copy(2, t, h1, o1, h2, o2, c) 296 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 297 __bs_copy(4, t, h1, o1, h2, o2, c) 298 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 299 __bs_copy(8, t, h1, o1, h2, o2, c) 300 301 /* 302 * Probing operations. 303 */ 304 #ifdef __BUS_SPACE_HAS_PROBING_METHODS 305 #define bus_space_peek_1(t, h, o, p) __bs_pe(1,(t),(h),(o),(p)) 306 #define bus_space_peek_2(t, h, o, p) __bs_pe(2,(t),(h),(o),(p)) 307 #define bus_space_peek_4(t, h, o, p) __bs_pe(4,(t),(h),(o),(p)) 308 #define bus_space_peek_8(t, h, o, p) __bs_pe(8,(t),(h),(o),(p)) 309 310 #define bus_space_poke_1(t, h, o, v) __bs_po(1,(t),(h),(o),(v)) 311 #define bus_space_poke_2(t, h, o, v) __bs_po(2,(t),(h),(o),(v)) 312 #define bus_space_poke_4(t, h, o, v) __bs_po(4,(t),(h),(o),(v)) 313 #define bus_space_poke_8(t, h, o, v) __bs_po(8,(t),(h),(o),(v)) 314 #endif 315 316 /* 317 * Macros to provide prototypes for all the functions used in the 318 * bus_space structure 319 */ 320 321 #define bs_map_proto(f) \ 322 int __bs_c(f,_bs_map)(void *t, bus_addr_t addr, \ 323 bus_size_t size, int cacheable, bus_space_handle_t *bshp); 324 325 #define bs_unmap_proto(f) \ 326 void __bs_c(f,_bs_unmap)(void *t, bus_space_handle_t bsh, \ 327 bus_size_t size); 328 329 #define bs_subregion_proto(f) \ 330 int __bs_c(f,_bs_subregion)(void *t, bus_space_handle_t bsh, \ 331 bus_size_t offset, bus_size_t size, \ 332 bus_space_handle_t *nbshp); 333 334 #define bs_alloc_proto(f) \ 335 int __bs_c(f,_bs_alloc)(void *t, bus_addr_t rstart, \ 336 bus_addr_t rend, bus_size_t size, bus_size_t align, \ 337 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \ 338 bus_space_handle_t *bshp); 339 340 #define bs_free_proto(f) \ 341 void __bs_c(f,_bs_free)(void *t, bus_space_handle_t bsh, \ 342 bus_size_t size); 343 344 #define bs_vaddr_proto(f) \ 345 void * __bs_c(f,_bs_vaddr)(void *t, bus_space_handle_t bsh); 346 347 #define bs_mmap_proto(f) \ 348 paddr_t __bs_c(f,_bs_mmap)(void *, bus_addr_t, off_t, int, int); 349 350 #define bs_barrier_proto(f) \ 351 void __bs_c(f,_bs_barrier)(void *t, bus_space_handle_t bsh, \ 352 bus_size_t offset, bus_size_t len, int flags); 353 354 #define bs_r_1_proto(f) \ 355 uint8_t __bs_c(f,_bs_r_1)(void *t, bus_space_handle_t bsh, \ 356 bus_size_t offset); 357 358 #define bs_r_2_proto(f) \ 359 uint16_t __bs_c(f,_bs_r_2)(void *t, bus_space_handle_t bsh, \ 360 bus_size_t offset); \ 361 uint16_t __bs_c(f,_bs_r_2_swap)(void *t, bus_space_handle_t bsh, \ 362 bus_size_t offset); 363 364 #define bs_r_4_proto(f) \ 365 uint32_t __bs_c(f,_bs_r_4)(void *t, bus_space_handle_t bsh, \ 366 bus_size_t offset); \ 367 uint32_t __bs_c(f,_bs_r_4_swap)(void *t, bus_space_handle_t bsh, \ 368 bus_size_t offset); 369 370 #define bs_r_8_proto(f) \ 371 uint64_t __bs_c(f,_bs_r_8)(void *t, bus_space_handle_t bsh, \ 372 bus_size_t offset); \ 373 uint64_t __bs_c(f,_bs_r_8_swap)(void *t, bus_space_handle_t bsh, \ 374 bus_size_t offset); 375 376 #define bs_w_1_proto(f) \ 377 void __bs_c(f,_bs_w_1)(void *t, bus_space_handle_t bsh, \ 378 bus_size_t offset, uint8_t value); 379 380 #define bs_w_2_proto(f) \ 381 void __bs_c(f,_bs_w_2)(void *t, bus_space_handle_t bsh, \ 382 bus_size_t offset, uint16_t value); \ 383 void __bs_c(f,_bs_w_2_swap)(void *t, bus_space_handle_t bsh, \ 384 bus_size_t offset, uint16_t value); 385 386 #define bs_w_4_proto(f) \ 387 void __bs_c(f,_bs_w_4)(void *t, bus_space_handle_t bsh, \ 388 bus_size_t offset, uint32_t value); \ 389 void __bs_c(f,_bs_w_4_swap)(void *t, bus_space_handle_t bsh, \ 390 bus_size_t offset, uint32_t value); 391 392 #define bs_w_8_proto(f) \ 393 void __bs_c(f,_bs_w_8)(void *t, bus_space_handle_t bsh, \ 394 bus_size_t offset, uint64_t value); \ 395 void __bs_c(f,_bs_w_8_swap)(void *t, bus_space_handle_t bsh, \ 396 bus_size_t offset, uint64_t value); 397 398 #define bs_rm_1_proto(f) \ 399 void __bs_c(f,_bs_rm_1)(void *t, bus_space_handle_t bsh, \ 400 bus_size_t offset, uint8_t *addr, bus_size_t count); 401 402 #define bs_rm_2_proto(f) \ 403 void __bs_c(f,_bs_rm_2)(void *t, bus_space_handle_t bsh, \ 404 bus_size_t offset, uint16_t *addr, bus_size_t count); \ 405 void __bs_c(f,_bs_rm_2_swap)(void *t, bus_space_handle_t bsh, \ 406 bus_size_t offset, uint16_t *addr, bus_size_t count); 407 408 #define bs_rm_4_proto(f) \ 409 void __bs_c(f,_bs_rm_4)(void *t, bus_space_handle_t bsh, \ 410 bus_size_t offset, uint32_t *addr, bus_size_t count); \ 411 void __bs_c(f,_bs_rm_4_swap)(void *t, bus_space_handle_t bsh, \ 412 bus_size_t offset, uint32_t *addr, bus_size_t count); 413 414 #define bs_rm_8_proto(f) \ 415 void __bs_c(f,_bs_rm_8)(void *t, bus_space_handle_t bsh, \ 416 bus_size_t offset, uint64_t *addr, bus_size_t count); \ 417 void __bs_c(f,_bs_rm_8_swap)(void *t, bus_space_handle_t bsh, \ 418 bus_size_t offset, uint64_t *addr, bus_size_t count); 419 420 #define bs_wm_1_proto(f) \ 421 void __bs_c(f,_bs_wm_1)(void *t, bus_space_handle_t bsh, \ 422 bus_size_t offset, const uint8_t *addr, bus_size_t count); \ 423 424 #define bs_wm_2_proto(f) \ 425 void __bs_c(f,_bs_wm_2)(void *t, bus_space_handle_t bsh, \ 426 bus_size_t offset, const uint16_t *addr, bus_size_t count); \ 427 void __bs_c(f,_bs_wm_2_swap)(void *t, bus_space_handle_t bsh, \ 428 bus_size_t offset, const uint16_t *addr, bus_size_t count); 429 430 #define bs_wm_4_proto(f) \ 431 void __bs_c(f,_bs_wm_4)(void *t, bus_space_handle_t bsh, \ 432 bus_size_t offset, const uint32_t *addr, bus_size_t count); \ 433 void __bs_c(f,_bs_wm_4_swap)(void *t, bus_space_handle_t bsh, \ 434 bus_size_t offset, const uint32_t *addr, bus_size_t count); 435 436 #define bs_wm_8_proto(f) \ 437 void __bs_c(f,_bs_wm_8)(void *t, bus_space_handle_t bsh, \ 438 bus_size_t offset, const uint64_t *addr, bus_size_t count); \ 439 void __bs_c(f,_bs_wm_8_swap)(void *t, bus_space_handle_t bsh, \ 440 bus_size_t offset, const uint64_t *addr, bus_size_t count); 441 442 #define bs_rr_1_proto(f) \ 443 void __bs_c(f, _bs_rr_1)(void *t, bus_space_handle_t bsh, \ 444 bus_size_t offset, uint8_t *addr, bus_size_t count); 445 446 #define bs_rr_2_proto(f) \ 447 void __bs_c(f, _bs_rr_2)(void *t, bus_space_handle_t bsh, \ 448 bus_size_t offset, uint16_t *addr, bus_size_t count); \ 449 void __bs_c(f, _bs_rr_2_swap)(void *t, bus_space_handle_t bsh, \ 450 bus_size_t offset, uint16_t *addr, bus_size_t count); 451 452 #define bs_rr_4_proto(f) \ 453 void __bs_c(f, _bs_rr_4)(void *t, bus_space_handle_t bsh, \ 454 bus_size_t offset, uint32_t *addr, bus_size_t count); \ 455 void __bs_c(f, _bs_rr_4_swap)(void *t, bus_space_handle_t bsh, \ 456 bus_size_t offset, uint32_t *addr, bus_size_t count); 457 458 #define bs_rr_8_proto(f) \ 459 void __bs_c(f, _bs_rr_8)(void *t, bus_space_handle_t bsh, \ 460 bus_size_t offset, uint64_t *addr, bus_size_t count); \ 461 void __bs_c(f, _bs_rr_8_swap)(void *t, bus_space_handle_t bsh, \ 462 bus_size_t offset, uint64_t *addr, bus_size_t count); 463 464 #define bs_wr_1_proto(f) \ 465 void __bs_c(f, _bs_wr_1)(void *t, bus_space_handle_t bsh, \ 466 bus_size_t offset, const uint8_t *addr, bus_size_t count); 467 468 #define bs_wr_2_proto(f) \ 469 void __bs_c(f, _bs_wr_2)(void *t, bus_space_handle_t bsh, \ 470 bus_size_t offset, const uint16_t *addr, bus_size_t count); \ 471 void __bs_c(f, _bs_wr_2_swap)(void *t, bus_space_handle_t bsh, \ 472 bus_size_t offset, const uint16_t *addr, bus_size_t count); 473 474 #define bs_wr_4_proto(f) \ 475 void __bs_c(f, _bs_wr_4)(void *t, bus_space_handle_t bsh, \ 476 bus_size_t offset, const uint32_t *addr, bus_size_t count); \ 477 void __bs_c(f, _bs_wr_4_swap)(void *t, bus_space_handle_t bsh, \ 478 bus_size_t offset, const uint32_t *addr, bus_size_t count); 479 480 #define bs_wr_8_proto(f) \ 481 void __bs_c(f, _bs_wr_8)(void *t, bus_space_handle_t bsh, \ 482 bus_size_t offset, const uint64_t *addr, bus_size_t count); \ 483 void __bs_c(f, _bs_wr_8_swap)(void *t, bus_space_handle_t bsh, \ 484 bus_size_t offset, const uint64_t *addr, bus_size_t count); 485 486 #define bs_sm_1_proto(f) \ 487 void __bs_c(f,_bs_sm_1)(void *t, bus_space_handle_t bsh, \ 488 bus_size_t offset, uint8_t value, bus_size_t count); 489 490 #define bs_sm_2_proto(f) \ 491 void __bs_c(f,_bs_sm_2)(void *t, bus_space_handle_t bsh, \ 492 bus_size_t offset, uint16_t value, bus_size_t count); \ 493 void __bs_c(f,_bs_sm_2_swap)(void *t, bus_space_handle_t bsh, \ 494 bus_size_t offset, uint16_t value, bus_size_t count); 495 496 #define bs_sm_4_proto(f) \ 497 void __bs_c(f,_bs_sm_4)(void *t, bus_space_handle_t bsh, \ 498 bus_size_t offset, uint32_t value, bus_size_t count); \ 499 void __bs_c(f,_bs_sm_4_swap)(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 void __bs_c(f,_bs_sm_8_swap)(void *t, bus_space_handle_t bsh, \ 506 bus_size_t offset, uint64_t value, bus_size_t count); 507 508 #define bs_sr_1_proto(f) \ 509 void __bs_c(f,_bs_sr_1)(void *t, bus_space_handle_t bsh, \ 510 bus_size_t offset, uint8_t value, bus_size_t count); 511 512 #define bs_sr_2_proto(f) \ 513 void __bs_c(f,_bs_sr_2)(void *t, bus_space_handle_t bsh, \ 514 bus_size_t offset, uint16_t value, bus_size_t count); \ 515 void __bs_c(f,_bs_sr_2_swap)(void *t, bus_space_handle_t bsh, \ 516 bus_size_t offset, uint16_t value, bus_size_t count); 517 518 #define bs_sr_4_proto(f) \ 519 void __bs_c(f,_bs_sr_4)(void *t, bus_space_handle_t bsh, \ 520 bus_size_t offset, uint32_t value, bus_size_t count); \ 521 void __bs_c(f,_bs_sr_4_swap)(void *t, bus_space_handle_t bsh, \ 522 bus_size_t offset, uint32_t value, bus_size_t count); 523 524 #define bs_sr_8_proto(f) \ 525 void __bs_c(f,_bs_sr_8)(void *t, bus_space_handle_t bsh, \ 526 bus_size_t offset, uint64_t value, bus_size_t count); \ 527 void __bs_c(f,_bs_sr_8_swap)(void *t, bus_space_handle_t bsh, \ 528 bus_size_t offset, uint64_t value, bus_size_t count); 529 530 #define bs_c_1_proto(f) \ 531 void __bs_c(f,_bs_c_1)(void *t, bus_space_handle_t bsh1, \ 532 bus_size_t offset1, bus_space_handle_t bsh2, \ 533 bus_size_t offset2, bus_size_t count); 534 535 #define bs_c_2_proto(f) \ 536 void __bs_c(f,_bs_c_2)(void *t, bus_space_handle_t bsh1, \ 537 bus_size_t offset1, bus_space_handle_t bsh2, \ 538 bus_size_t offset2, bus_size_t count); 539 540 #define bs_c_4_proto(f) \ 541 void __bs_c(f,_bs_c_4)(void *t, bus_space_handle_t bsh1, \ 542 bus_size_t offset1, bus_space_handle_t bsh2, \ 543 bus_size_t offset2, bus_size_t count); 544 545 #define bs_c_8_proto(f) \ 546 void __bs_c(f,_bs_c_8)(void *t, bus_space_handle_t bsh1, \ 547 bus_size_t offset1, bus_space_handle_t bsh2, \ 548 bus_size_t offset2, bus_size_t count); 549 550 #define bs_pe_1_proto(f) \ 551 int __bs_c(f,_bs_pe_1)(void *t, bus_space_handle_t bsh, \ 552 bus_size_t offset, uint8_t *datap); 553 554 #define bs_pe_2_proto(f) \ 555 int __bs_c(f,_bs_pe_2)(void *t, bus_space_handle_t bsh, \ 556 bus_size_t offset, uint16_t *datap); \ 557 558 #define bs_pe_4_proto(f) \ 559 int __bs_c(f,_bs_pe_4)(void *t, bus_space_handle_t bsh, \ 560 bus_size_t offset, uint32_t *datap); \ 561 562 #define bs_pe_8_proto(f) \ 563 int __bs_c(f,_bs_pe_8)(void *t, bus_space_handle_t bsh, \ 564 bus_size_t offset, uint64_t *datap); \ 565 566 #define bs_po_1_proto(f) \ 567 int __bs_c(f,_bs_po_1)(void *t, bus_space_handle_t bsh, \ 568 bus_size_t offset, uint8_t value); 569 570 #define bs_po_2_proto(f) \ 571 int __bs_c(f,_bs_po_2)(void *t, bus_space_handle_t bsh, \ 572 bus_size_t offset, uint16_t value); \ 573 574 #define bs_po_4_proto(f) \ 575 int __bs_c(f,_bs_po_4)(void *t, bus_space_handle_t bsh, \ 576 bus_size_t offset, uint32_t value); \ 577 578 #define bs_po_8_proto(f) \ 579 int __bs_c(f,_bs_po_8)(void *t, bus_space_handle_t bsh, \ 580 bus_size_t offset, uint64_t value); \ 581 582 583 #define bs_protos(f) \ 584 bs_map_proto(f); \ 585 bs_unmap_proto(f); \ 586 bs_subregion_proto(f); \ 587 bs_alloc_proto(f); \ 588 bs_free_proto(f); \ 589 bs_vaddr_proto(f); \ 590 bs_mmap_proto(f); \ 591 bs_barrier_proto(f); \ 592 bs_r_1_proto(f); \ 593 bs_r_2_proto(f); \ 594 bs_r_4_proto(f); \ 595 bs_r_8_proto(f); \ 596 bs_w_1_proto(f); \ 597 bs_w_2_proto(f); \ 598 bs_w_4_proto(f); \ 599 bs_w_8_proto(f); \ 600 bs_rm_1_proto(f); \ 601 bs_rm_2_proto(f); \ 602 bs_rm_4_proto(f); \ 603 bs_rm_8_proto(f); \ 604 bs_wm_1_proto(f); \ 605 bs_wm_2_proto(f); \ 606 bs_wm_4_proto(f); \ 607 bs_wm_8_proto(f); \ 608 bs_rr_1_proto(f); \ 609 bs_rr_2_proto(f); \ 610 bs_rr_4_proto(f); \ 611 bs_rr_8_proto(f); \ 612 bs_wr_1_proto(f); \ 613 bs_wr_2_proto(f); \ 614 bs_wr_4_proto(f); \ 615 bs_wr_8_proto(f); \ 616 bs_sm_1_proto(f); \ 617 bs_sm_2_proto(f); \ 618 bs_sm_4_proto(f); \ 619 bs_sm_8_proto(f); \ 620 bs_sr_1_proto(f); \ 621 bs_sr_2_proto(f); \ 622 bs_sr_4_proto(f); \ 623 bs_sr_8_proto(f); \ 624 bs_c_1_proto(f); \ 625 bs_c_2_proto(f); \ 626 bs_c_4_proto(f); \ 627 bs_c_8_proto(f); \ 628 bs_pe_1_proto(f); \ 629 bs_pe_2_proto(f); \ 630 bs_pe_4_proto(f); \ 631 bs_pe_8_proto(f); \ 632 bs_po_1_proto(f); \ 633 bs_po_2_proto(f); \ 634 bs_po_4_proto(f); \ 635 bs_po_8_proto(f); 636 637 /* Bus Space DMA macros */ 638 639 /* Forwards needed by prototypes below. */ 640 struct mbuf; 641 struct uio; 642 643 int bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t, bus_size_t, 644 int, bus_dmamap_t *); 645 void bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t); 646 int bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t, 647 struct proc *, int); 648 int bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t, struct mbuf *, int); 649 int bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t, struct uio *, int); 650 int bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t, bus_dma_segment_t *, 651 int, bus_size_t, int); 652 void bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t); 653 void bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t, bus_size_t, int); 654 655 #define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \ 656 (*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f)) 657 #define bus_dmamem_free(t, sg, n) \ 658 (*(t)->_dmamem_free)((t), (sg), (n)) 659 #define bus_dmamem_map(t, sg, n, s, k, f) \ 660 (*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f)) 661 #define bus_dmamem_unmap(t, k, s) \ 662 (*(t)->_dmamem_unmap)((t), (k), (s)) 663 #define bus_dmamem_mmap(t, sg, n, o, p, f) \ 664 (*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f)) 665 666 #define bus_dmatag_subregion(t, mna, mxa, nt, f) \ 667 (*(t)->_dmatag_subregion)((t), (mna), (mxa), (nt), (f)) 668 #define bus_dmatag_destroy(t) \ 669 (*(t)->_dmatag_destroy)(t) 670 671 #ifdef _RISCV_BUS_DMA_PRIVATE 672 673 int riscv_dma_range_intersect(struct riscv_dma_range *, int, 674 paddr_t pa, psize_t size, paddr_t *pap, psize_t *sizep); 675 676 int _bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t, 677 bus_size_t, int, bus_dmamap_t *); 678 void _bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t); 679 int _bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, 680 bus_size_t, struct proc *, int); 681 int _bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t, 682 struct mbuf *, int); 683 int _bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t, 684 struct uio *, int); 685 int _bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t, 686 bus_dma_segment_t *, int, bus_size_t, int); 687 void _bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t); 688 void _bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t, 689 bus_size_t, int); 690 691 #define _BUS_DMAMAP_FUNCS \ 692 ._dmamap_create = _bus_dmamap_create, \ 693 ._dmamap_destroy = _bus_dmamap_destroy, \ 694 ._dmamap_load = _bus_dmamap_load, \ 695 ._dmamap_load_mbuf = _bus_dmamap_load_mbuf, \ 696 ._dmamap_load_raw = _bus_dmamap_load_raw, \ 697 ._dmamap_load_uio = _bus_dmamap_load_uio, \ 698 ._dmamap_unload = _bus_dmamap_unload, \ 699 ._dmamap_sync = _bus_dmamap_sync 700 701 int _bus_dmamem_alloc(bus_dma_tag_t tag, bus_size_t size, 702 bus_size_t alignment, bus_size_t boundary, 703 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags); 704 void _bus_dmamem_free(bus_dma_tag_t tag, bus_dma_segment_t *segs, 705 int nsegs); 706 int _bus_dmamem_map(bus_dma_tag_t tag, bus_dma_segment_t *segs, 707 int nsegs, size_t size, void **kvap, int flags); 708 void _bus_dmamem_unmap(bus_dma_tag_t tag, void *kva, 709 size_t size); 710 paddr_t _bus_dmamem_mmap(bus_dma_tag_t tag, bus_dma_segment_t *segs, 711 int nsegs, off_t off, int prot, int flags); 712 713 #define _BUS_DMAMEM_FUNCS \ 714 ._dmamem_alloc = _bus_dmamem_alloc, \ 715 ._dmamem_free = _bus_dmamem_free, \ 716 ._dmamem_map = _bus_dmamem_map, \ 717 ._dmamem_unmap = _bus_dmamem_unmap, \ 718 ._dmamem_mmap = _bus_dmamem_mmap 719 720 int _bus_dmamem_alloc_range(bus_dma_tag_t tag, bus_size_t size, 721 bus_size_t alignment, bus_size_t boundary, 722 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags, 723 paddr_t low, paddr_t high); 724 725 int _bus_dmatag_subregion(bus_dma_tag_t, bus_addr_t, bus_addr_t, 726 bus_dma_tag_t *, int); 727 void _bus_dmatag_destroy(bus_dma_tag_t); 728 729 #define _BUS_DMATAG_FUNCS \ 730 ._dmatag_subregion = _bus_dmatag_subregion, \ 731 ._dmatag_destroy = _bus_dmatag_destroy 732 733 #endif /* _RISCV_BUS_DMA_PRIVATE */ 734 735 #endif /* _RISCV_BUS_FUNCS_H_ */ 736
Indexes created Sat Sep 20 22:09:52 GMT 2025