1 /* $NetBSD: bus_funcs.h,v 1.6 2014/01/29 00:42:15 matt 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 /* 103 * Mapping and unmapping operations. 104 */ 105 #define bus_space_map(t, a, s, c, hp) \ 106 (*(t)->bs_map)((t)->bs_cookie, (a), (s), (c), (hp)) 107 #define bus_space_unmap(t, h, s) \ 108 (*(t)->bs_unmap)((t)->bs_cookie, (h), (s)) 109 #define bus_space_subregion(t, h, o, s, hp) \ 110 (*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp)) 111 112 113 /* 114 * Allocation and deallocation operations. 115 */ 116 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ 117 (*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b), \ 118 (c), (ap), (hp)) 119 #define bus_space_free(t, h, s) \ 120 (*(t)->bs_free)((t)->bs_cookie, (h), (s)) 121 122 /* 123 * Get kernel virtual address for ranges mapped BUS_SPACE_MAP_LINEAR. 124 */ 125 #define bus_space_vaddr(t, h) \ 126 (*(t)->bs_vaddr)((t)->bs_cookie, (h)) 127 128 /* 129 * MMap bus space for a user application. 130 */ 131 #define bus_space_mmap(t, a, o, p, f) \ 132 (*(t)->bs_mmap)((t)->bs_cookie, (a), (o), (p), (f)) 133 134 /* 135 * Bus barrier operations. 136 */ 137 #define bus_space_barrier(t, h, o, l, f) \ 138 (*(t)->bs_barrier)((t)->bs_cookie, (h), (o), (l), (f)) 139 140 /* 141 * Bus read (single) operations. 142 */ 143 #define bus_space_read_1(t, h, o) __bs_rs(1,(t),(h),(o)) 144 #define bus_space_read_2(t, h, o) __bs_rs(2,(t),(h),(o)) 145 #define bus_space_read_4(t, h, o) __bs_rs(4,(t),(h),(o)) 146 #define bus_space_read_8(t, h, o) __bs_rs(8,(t),(h),(o)) 147 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 148 #define bus_space_read_stream_1(t, h, o) __bs_rs_s(1,(t),(h),(o)) 149 #define bus_space_read_stream_2(t, h, o) __bs_rs_s(2,(t),(h),(o)) 150 #define bus_space_read_stream_4(t, h, o) __bs_rs_s(4,(t),(h),(o)) 151 #define bus_space_read_stream_8(t, h, o) __bs_rs_s(8,(t),(h),(o)) 152 #endif 153 154 155 /* 156 * Bus read multiple operations. 157 */ 158 #define bus_space_read_multi_1(t, h, o, a, c) \ 159 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) 160 #define bus_space_read_multi_2(t, h, o, a, c) \ 161 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) 162 #define bus_space_read_multi_4(t, h, o, a, c) \ 163 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) 164 #define bus_space_read_multi_8(t, h, o, a, c) \ 165 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) 166 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 167 #define bus_space_read_multi_stream_1(t, h, o, a, c) \ 168 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c)) 169 #define bus_space_read_multi_stream_2(t, h, o, a, c) \ 170 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c)) 171 #define bus_space_read_multi_stream_4(t, h, o, a, c) \ 172 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c)) 173 #define bus_space_read_multi_stream_8(t, h, o, a, c) \ 174 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c)) 175 #endif 176 177 178 /* 179 * Bus read region operations. 180 */ 181 #define bus_space_read_region_1(t, h, o, a, c) \ 182 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 183 #define bus_space_read_region_2(t, h, o, a, c) \ 184 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 185 #define bus_space_read_region_4(t, h, o, a, c) \ 186 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 187 #define bus_space_read_region_8(t, h, o, a, c) \ 188 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) 189 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 190 #define bus_space_read_region_stream_1(t, h, o, a, c) \ 191 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c)) 192 #define bus_space_read_region_stream_2(t, h, o, a, c) \ 193 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c)) 194 #define bus_space_read_region_stream_4(t, h, o, a, c) \ 195 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c)) 196 #define bus_space_read_region_stream_8(t, h, o, a, c) \ 197 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c)) 198 #endif 199 200 201 /* 202 * Bus write (single) operations. 203 */ 204 #define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v)) 205 #define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v)) 206 #define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v)) 207 #define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v)) 208 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 209 #define bus_space_write_stream_1(t, h, o, v) __bs_ws_s(1,(t),(h),(o),(v)) 210 #define bus_space_write_stream_2(t, h, o, v) __bs_ws_s(2,(t),(h),(o),(v)) 211 #define bus_space_write_stream_4(t, h, o, v) __bs_ws_s(4,(t),(h),(o),(v)) 212 #define bus_space_write_stream_8(t, h, o, v) __bs_ws_s(8,(t),(h),(o),(v)) 213 #endif 214 215 216 /* 217 * Bus write multiple operations. 218 */ 219 #define bus_space_write_multi_1(t, h, o, a, c) \ 220 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 221 #define bus_space_write_multi_2(t, h, o, a, c) \ 222 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 223 #define bus_space_write_multi_4(t, h, o, a, c) \ 224 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 225 #define bus_space_write_multi_8(t, h, o, a, c) \ 226 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) 227 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 228 #define bus_space_write_multi_stream_1(t, h, o, a, c) \ 229 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c)) 230 #define bus_space_write_multi_stream_2(t, h, o, a, c) \ 231 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c)) 232 #define bus_space_write_multi_stream_4(t, h, o, a, c) \ 233 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c)) 234 #define bus_space_write_multi_stream_8(t, h, o, a, c) \ 235 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c)) 236 #endif 237 238 239 /* 240 * Bus write region operations. 241 */ 242 #define bus_space_write_region_1(t, h, o, a, c) \ 243 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 244 #define bus_space_write_region_2(t, h, o, a, c) \ 245 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 246 #define bus_space_write_region_4(t, h, o, a, c) \ 247 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 248 #define bus_space_write_region_8(t, h, o, a, c) \ 249 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) 250 #ifdef __BUS_SPACE_HAS_STREAM_METHODS 251 #define bus_space_write_region_stream_1(t, h, o, a, c) \ 252 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c)) 253 #define bus_space_write_region_stream_2(t, h, o, a, c) \ 254 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c)) 255 #define bus_space_write_region_stream_4(t, h, o, a, c) \ 256 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c)) 257 #define bus_space_write_region_stream_8(t, h, o, a, c) \ 258 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c)) 259 #endif 260 261 262 /* 263 * Set multiple operations. 264 */ 265 #define bus_space_set_multi_1(t, h, o, v, c) \ 266 __bs_set(sm,1,(t),(h),(o),(v),(c)) 267 #define bus_space_set_multi_2(t, h, o, v, c) \ 268 __bs_set(sm,2,(t),(h),(o),(v),(c)) 269 #define bus_space_set_multi_4(t, h, o, v, c) \ 270 __bs_set(sm,4,(t),(h),(o),(v),(c)) 271 #define bus_space_set_multi_8(t, h, o, v, c) \ 272 __bs_set(sm,8,(t),(h),(o),(v),(c)) 273 274 /* 275 * Set region operations. 276 */ 277 #define bus_space_set_region_1(t, h, o, v, c) \ 278 __bs_set(sr,1,(t),(h),(o),(v),(c)) 279 #define bus_space_set_region_2(t, h, o, v, c) \ 280 __bs_set(sr,2,(t),(h),(o),(v),(c)) 281 #define bus_space_set_region_4(t, h, o, v, c) \ 282 __bs_set(sr,4,(t),(h),(o),(v),(c)) 283 #define bus_space_set_region_8(t, h, o, v, c) \ 284 __bs_set(sr,8,(t),(h),(o),(v),(c)) 285 286 /* 287 * Copy operations. 288 */ 289 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 290 __bs_copy(1, t, h1, o1, h2, o2, c) 291 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 292 __bs_copy(2, t, h1, o1, h2, o2, c) 293 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 294 __bs_copy(4, t, h1, o1, h2, o2, c) 295 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 296 __bs_copy(8, t, h1, o1, h2, o2, c) 297 298 /* 299 * Macros to provide prototypes for all the functions used in the 300 * bus_space structure 301 */ 302 303 #define bs_map_proto(f) \ 304 int __bs_c(f,_bs_map)(void *t, bus_addr_t addr, \ 305 bus_size_t size, int cacheable, bus_space_handle_t *bshp); 306 307 #define bs_unmap_proto(f) \ 308 void __bs_c(f,_bs_unmap)(void *t, bus_space_handle_t bsh, \ 309 bus_size_t size); 310 311 #define bs_subregion_proto(f) \ 312 int __bs_c(f,_bs_subregion)(void *t, bus_space_handle_t bsh, \ 313 bus_size_t offset, bus_size_t size, \ 314 bus_space_handle_t *nbshp); 315 316 #define bs_alloc_proto(f) \ 317 int __bs_c(f,_bs_alloc)(void *t, bus_addr_t rstart, \ 318 bus_addr_t rend, bus_size_t size, bus_size_t align, \ 319 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \ 320 bus_space_handle_t *bshp); 321 322 #define bs_free_proto(f) \ 323 void __bs_c(f,_bs_free)(void *t, bus_space_handle_t bsh, \ 324 bus_size_t size); 325 326 #define bs_vaddr_proto(f) \ 327 void * __bs_c(f,_bs_vaddr)(void *t, bus_space_handle_t bsh); 328 329 #define bs_mmap_proto(f) \ 330 paddr_t __bs_c(f,_bs_mmap)(void *, bus_addr_t, off_t, int, int); 331 332 #define bs_barrier_proto(f) \ 333 void __bs_c(f,_bs_barrier)(void *t, bus_space_handle_t bsh, \ 334 bus_size_t offset, bus_size_t len, int flags); 335 336 #define bs_r_1_proto(f) \ 337 uint8_t __bs_c(f,_bs_r_1)(void *t, bus_space_handle_t bsh, \ 338 bus_size_t offset); 339 340 #define bs_r_2_proto(f) \ 341 uint16_t __bs_c(f,_bs_r_2)(void *t, bus_space_handle_t bsh, \ 342 bus_size_t offset); \ 343 uint16_t __bs_c(f,_bs_r_2_swap)(void *t, bus_space_handle_t bsh, \ 344 bus_size_t offset); 345 346 #define bs_r_4_proto(f) \ 347 uint32_t __bs_c(f,_bs_r_4)(void *t, bus_space_handle_t bsh, \ 348 bus_size_t offset); \ 349 uint32_t __bs_c(f,_bs_r_4_swap)(void *t, bus_space_handle_t bsh, \ 350 bus_size_t offset); 351 352 #define bs_r_8_proto(f) \ 353 uint64_t __bs_c(f,_bs_r_8)(void *t, bus_space_handle_t bsh, \ 354 bus_size_t offset); \ 355 uint64_t __bs_c(f,_bs_r_8_swap)(void *t, bus_space_handle_t bsh, \ 356 bus_size_t offset); 357 358 #define bs_w_1_proto(f) \ 359 void __bs_c(f,_bs_w_1)(void *t, bus_space_handle_t bsh, \ 360 bus_size_t offset, uint8_t value); 361 362 #define bs_w_2_proto(f) \ 363 void __bs_c(f,_bs_w_2)(void *t, bus_space_handle_t bsh, \ 364 bus_size_t offset, uint16_t value); \ 365 void __bs_c(f,_bs_w_2_swap)(void *t, bus_space_handle_t bsh, \ 366 bus_size_t offset, uint16_t value); 367 368 #define bs_w_4_proto(f) \ 369 void __bs_c(f,_bs_w_4)(void *t, bus_space_handle_t bsh, \ 370 bus_size_t offset, uint32_t value); \ 371 void __bs_c(f,_bs_w_4_swap)(void *t, bus_space_handle_t bsh, \ 372 bus_size_t offset, uint32_t value); 373 374 #define bs_w_8_proto(f) \ 375 void __bs_c(f,_bs_w_8)(void *t, bus_space_handle_t bsh, \ 376 bus_size_t offset, uint64_t value); \ 377 void __bs_c(f,_bs_w_8_swap)(void *t, bus_space_handle_t bsh, \ 378 bus_size_t offset, uint64_t value); 379 380 #define bs_rm_1_proto(f) \ 381 void __bs_c(f,_bs_rm_1)(void *t, bus_space_handle_t bsh, \ 382 bus_size_t offset, uint8_t *addr, bus_size_t count); 383 384 #define bs_rm_2_proto(f) \ 385 void __bs_c(f,_bs_rm_2)(void *t, bus_space_handle_t bsh, \ 386 bus_size_t offset, uint16_t *addr, bus_size_t count); \ 387 void __bs_c(f,_bs_rm_2_swap)(void *t, bus_space_handle_t bsh, \ 388 bus_size_t offset, uint16_t *addr, bus_size_t count); 389 390 #define bs_rm_4_proto(f) \ 391 void __bs_c(f,_bs_rm_4)(void *t, bus_space_handle_t bsh, \ 392 bus_size_t offset, uint32_t *addr, bus_size_t count); \ 393 void __bs_c(f,_bs_rm_4_swap)(void *t, bus_space_handle_t bsh, \ 394 bus_size_t offset, uint32_t *addr, bus_size_t count); 395 396 #define bs_rm_8_proto(f) \ 397 void __bs_c(f,_bs_rm_8)(void *t, bus_space_handle_t bsh, \ 398 bus_size_t offset, uint64_t *addr, bus_size_t count); \ 399 void __bs_c(f,_bs_rm_8_swap)(void *t, bus_space_handle_t bsh, \ 400 bus_size_t offset, uint64_t *addr, bus_size_t count); 401 402 #define bs_wm_1_proto(f) \ 403 void __bs_c(f,_bs_wm_1)(void *t, bus_space_handle_t bsh, \ 404 bus_size_t offset, const uint8_t *addr, bus_size_t count); \ 405 406 #define bs_wm_2_proto(f) \ 407 void __bs_c(f,_bs_wm_2)(void *t, bus_space_handle_t bsh, \ 408 bus_size_t offset, const uint16_t *addr, bus_size_t count); \ 409 void __bs_c(f,_bs_wm_2_swap)(void *t, bus_space_handle_t bsh, \ 410 bus_size_t offset, const uint16_t *addr, bus_size_t count); 411 412 #define bs_wm_4_proto(f) \ 413 void __bs_c(f,_bs_wm_4)(void *t, bus_space_handle_t bsh, \ 414 bus_size_t offset, const uint32_t *addr, bus_size_t count); \ 415 void __bs_c(f,_bs_wm_4_swap)(void *t, bus_space_handle_t bsh, \ 416 bus_size_t offset, const uint32_t *addr, bus_size_t count); 417 418 #define bs_wm_8_proto(f) \ 419 void __bs_c(f,_bs_wm_8)(void *t, bus_space_handle_t bsh, \ 420 bus_size_t offset, const uint64_t *addr, bus_size_t count); \ 421 void __bs_c(f,_bs_wm_8_swap)(void *t, bus_space_handle_t bsh, \ 422 bus_size_t offset, const uint64_t *addr, bus_size_t count); 423 424 #define bs_rr_1_proto(f) \ 425 void __bs_c(f, _bs_rr_1)(void *t, bus_space_handle_t bsh, \ 426 bus_size_t offset, uint8_t *addr, bus_size_t count); 427 428 #define bs_rr_2_proto(f) \ 429 void __bs_c(f, _bs_rr_2)(void *t, bus_space_handle_t bsh, \ 430 bus_size_t offset, uint16_t *addr, bus_size_t count); \ 431 void __bs_c(f, _bs_rr_2_swap)(void *t, bus_space_handle_t bsh, \ 432 bus_size_t offset, uint16_t *addr, bus_size_t count); 433 434 #define bs_rr_4_proto(f) \ 435 void __bs_c(f, _bs_rr_4)(void *t, bus_space_handle_t bsh, \ 436 bus_size_t offset, uint32_t *addr, bus_size_t count); \ 437 void __bs_c(f, _bs_rr_4_swap)(void *t, bus_space_handle_t bsh, \ 438 bus_size_t offset, uint32_t *addr, bus_size_t count); 439 440 #define bs_rr_8_proto(f) \ 441 void __bs_c(f, _bs_rr_8)(void *t, bus_space_handle_t bsh, \ 442 bus_size_t offset, uint64_t *addr, bus_size_t count); \ 443 void __bs_c(f, _bs_rr_8_swap)(void *t, bus_space_handle_t bsh, \ 444 bus_size_t offset, uint64_t *addr, bus_size_t count); 445 446 #define bs_wr_1_proto(f) \ 447 void __bs_c(f, _bs_wr_1)(void *t, bus_space_handle_t bsh, \ 448 bus_size_t offset, const uint8_t *addr, bus_size_t count); 449 450 #define bs_wr_2_proto(f) \ 451 void __bs_c(f, _bs_wr_2)(void *t, bus_space_handle_t bsh, \ 452 bus_size_t offset, const uint16_t *addr, bus_size_t count); \ 453 void __bs_c(f, _bs_wr_2_swap)(void *t, bus_space_handle_t bsh, \ 454 bus_size_t offset, const uint16_t *addr, bus_size_t count); 455 456 #define bs_wr_4_proto(f) \ 457 void __bs_c(f, _bs_wr_4)(void *t, bus_space_handle_t bsh, \ 458 bus_size_t offset, const uint32_t *addr, bus_size_t count); \ 459 void __bs_c(f, _bs_wr_4_swap)(void *t, bus_space_handle_t bsh, \ 460 bus_size_t offset, const uint32_t *addr, bus_size_t count); 461 462 #define bs_wr_8_proto(f) \ 463 void __bs_c(f, _bs_wr_8)(void *t, bus_space_handle_t bsh, \ 464 bus_size_t offset, const uint64_t *addr, bus_size_t count); \ 465 void __bs_c(f, _bs_wr_8_swap)(void *t, bus_space_handle_t bsh, \ 466 bus_size_t offset, const uint64_t *addr, bus_size_t count); 467 468 #define bs_sm_1_proto(f) \ 469 void __bs_c(f,_bs_sm_1)(void *t, bus_space_handle_t bsh, \ 470 bus_size_t offset, uint8_t value, bus_size_t count); 471 472 #define bs_sm_2_proto(f) \ 473 void __bs_c(f,_bs_sm_2)(void *t, bus_space_handle_t bsh, \ 474 bus_size_t offset, uint16_t value, bus_size_t count); 475 476 #define bs_sm_4_proto(f) \ 477 void __bs_c(f,_bs_sm_4)(void *t, bus_space_handle_t bsh, \ 478 bus_size_t offset, uint32_t value, bus_size_t count); 479 480 #define bs_sm_8_proto(f) \ 481 void __bs_c(f,_bs_sm_8)(void *t, bus_space_handle_t bsh, \ 482 bus_size_t offset, uint64_t value, bus_size_t count); 483 484 #define bs_sr_1_proto(f) \ 485 void __bs_c(f,_bs_sr_1)(void *t, bus_space_handle_t bsh, \ 486 bus_size_t offset, uint8_t value, bus_size_t count); 487 488 #define bs_sr_2_proto(f) \ 489 void __bs_c(f,_bs_sr_2)(void *t, bus_space_handle_t bsh, \ 490 bus_size_t offset, uint16_t value, bus_size_t count); \ 491 void __bs_c(f,_bs_sr_2_swap)(void *t, bus_space_handle_t bsh, \ 492 bus_size_t offset, uint16_t value, bus_size_t count); 493 494 #define bs_sr_4_proto(f) \ 495 void __bs_c(f,_bs_sr_4)(void *t, bus_space_handle_t bsh, \ 496 bus_size_t offset, uint32_t value, bus_size_t count); \ 497 void __bs_c(f,_bs_sr_4_swap)(void *t, bus_space_handle_t bsh, \ 498 bus_size_t offset, uint32_t value, bus_size_t count); 499 500 #define bs_sr_8_proto(f) \ 501 void __bs_c(f,_bs_sr_8)(void *t, bus_space_handle_t bsh, \ 502 bus_size_t offset, uint64_t value, bus_size_t count); \ 503 void __bs_c(f,_bs_sr_8_swap)(void *t, bus_space_handle_t bsh, \ 504 bus_size_t offset, uint64_t value, bus_size_t count); 505 506 #define bs_c_1_proto(f) \ 507 void __bs_c(f,_bs_c_1)(void *t, bus_space_handle_t bsh1, \ 508 bus_size_t offset1, bus_space_handle_t bsh2, \ 509 bus_size_t offset2, bus_size_t count); 510 511 #define bs_c_2_proto(f) \ 512 void __bs_c(f,_bs_c_2)(void *t, bus_space_handle_t bsh1, \ 513 bus_size_t offset1, bus_space_handle_t bsh2, \ 514 bus_size_t offset2, bus_size_t count); 515 516 #define bs_c_4_proto(f) \ 517 void __bs_c(f,_bs_c_4)(void *t, bus_space_handle_t bsh1, \ 518 bus_size_t offset1, bus_space_handle_t bsh2, \ 519 bus_size_t offset2, bus_size_t count); 520 521 #define bs_c_8_proto(f) \ 522 void __bs_c(f,_bs_c_8)(void *t, bus_space_handle_t bsh1, \ 523 bus_size_t offset1, bus_space_handle_t bsh2, \ 524 bus_size_t offset2, bus_size_t count); 525 526 #define bs_protos(f) \ 527 bs_map_proto(f); \ 528 bs_unmap_proto(f); \ 529 bs_subregion_proto(f); \ 530 bs_alloc_proto(f); \ 531 bs_free_proto(f); \ 532 bs_vaddr_proto(f); \ 533 bs_mmap_proto(f); \ 534 bs_barrier_proto(f); \ 535 bs_r_1_proto(f); \ 536 bs_r_2_proto(f); \ 537 bs_r_4_proto(f); \ 538 bs_r_8_proto(f); \ 539 bs_w_1_proto(f); \ 540 bs_w_2_proto(f); \ 541 bs_w_4_proto(f); \ 542 bs_w_8_proto(f); \ 543 bs_rm_1_proto(f); \ 544 bs_rm_2_proto(f); \ 545 bs_rm_4_proto(f); \ 546 bs_rm_8_proto(f); \ 547 bs_wm_1_proto(f); \ 548 bs_wm_2_proto(f); \ 549 bs_wm_4_proto(f); \ 550 bs_wm_8_proto(f); \ 551 bs_rr_1_proto(f); \ 552 bs_rr_2_proto(f); \ 553 bs_rr_4_proto(f); \ 554 bs_rr_8_proto(f); \ 555 bs_wr_1_proto(f); \ 556 bs_wr_2_proto(f); \ 557 bs_wr_4_proto(f); \ 558 bs_wr_8_proto(f); \ 559 bs_sm_1_proto(f); \ 560 bs_sm_2_proto(f); \ 561 bs_sm_4_proto(f); \ 562 bs_sm_8_proto(f); \ 563 bs_sr_1_proto(f); \ 564 bs_sr_2_proto(f); \ 565 bs_sr_4_proto(f); \ 566 bs_sr_8_proto(f); \ 567 bs_c_1_proto(f); \ 568 bs_c_2_proto(f); \ 569 bs_c_4_proto(f); \ 570 bs_c_8_proto(f); 571 572 /* Bus Space DMA macros */ 573 574 /* Forwards needed by prototypes below. */ 575 struct mbuf; 576 struct uio; 577 578 #define bus_dmamap_create(t, s, n, m, b, f, p) \ 579 (*(t)->_dmamap_create)((t), (s), (n), (m), (b), (f), (p)) 580 #define bus_dmamap_destroy(t, p) \ 581 (*(t)->_dmamap_destroy)((t), (p)) 582 #define bus_dmamap_load(t, m, b, s, p, f) \ 583 (*(t)->_dmamap_load)((t), (m), (b), (s), (p), (f)) 584 #define bus_dmamap_load_mbuf(t, m, b, f) \ 585 (*(t)->_dmamap_load_mbuf)((t), (m), (b), (f)) 586 #define bus_dmamap_load_uio(t, m, u, f) \ 587 (*(t)->_dmamap_load_uio)((t), (m), (u), (f)) 588 #define bus_dmamap_load_raw(t, m, sg, n, s, f) \ 589 (*(t)->_dmamap_load_raw)((t), (m), (sg), (n), (s), (f)) 590 #define bus_dmamap_unload(t, p) \ 591 (*(t)->_dmamap_unload)((t), (p)) 592 #define bus_dmamap_sync(t, p, o, l, ops) \ 593 do { \ 594 if (((p)->_dm_flags & (_BUS_DMAMAP_COHERENT|_BUS_DMAMAP_IS_BOUNCING)) == _BUS_DMAMAP_COHERENT) \ 595 break; \ 596 if (((ops) & (BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)) != 0 \ 597 && (t)->_dmamap_sync_pre != NULL) \ 598 (*(t)->_dmamap_sync_pre)((t), (p), (o), (l), (ops)); \ 599 else if (((ops) & (BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)) != 0 \ 600 && (t)->_dmamap_sync_post != NULL) \ 601 (*(t)->_dmamap_sync_post)((t), (p), (o), (l), (ops)); \ 602 } while (/*CONSTCOND*/0) 603 604 #define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \ 605 (*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f)) 606 #define bus_dmamem_free(t, sg, n) \ 607 (*(t)->_dmamem_free)((t), (sg), (n)) 608 #define bus_dmamem_map(t, sg, n, s, k, f) \ 609 (*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f)) 610 #define bus_dmamem_unmap(t, k, s) \ 611 (*(t)->_dmamem_unmap)((t), (k), (s)) 612 #define bus_dmamem_mmap(t, sg, n, o, p, f) \ 613 (*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f)) 614 615 #define bus_dmatag_subregion(t, mna, mxa, nt, f) \ 616 (*(t)->_dmatag_subregion)((t), (mna), (mxa), (nt), (f)) 617 #define bus_dmatag_destroy(t) \ 618 (*(t)->_dmatag_destroy)(t) 619 620 #ifdef _ARM32_BUS_DMA_PRIVATE 621 622 extern paddr_t physical_start, physical_end; 623 624 int arm32_dma_range_intersect(struct arm32_dma_range *, int, 625 paddr_t pa, psize_t size, paddr_t *pap, psize_t *sizep); 626 627 int _bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t, 628 bus_size_t, int, bus_dmamap_t *); 629 void _bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t); 630 int _bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, 631 bus_size_t, struct proc *, int); 632 int _bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t, 633 struct mbuf *, int); 634 int _bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t, 635 struct uio *, int); 636 int _bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t, 637 bus_dma_segment_t *, int, bus_size_t, int); 638 void _bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t); 639 void _bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t, 640 bus_size_t, int); 641 642 #if defined(_ARM32_NEED_BUS_DMA_BOUNCE) || defined(CPU_CORTEX) 643 #define _BUS_DMAMAP_SYNC_FUNCS \ 644 ._dmamap_sync_pre = _bus_dmamap_sync, \ 645 ._dmamap_sync_post = _bus_dmamap_sync 646 #else 647 #define _BUS_DMAMAP_SYNC_FUNCS \ 648 ._dmamap_sync_pre = _bus_dmamap_sync 649 #endif 650 651 #define _BUS_DMAMAP_FUNCS \ 652 ._dmamap_create = _bus_dmamap_create, \ 653 ._dmamap_destroy = _bus_dmamap_destroy, \ 654 ._dmamap_load = _bus_dmamap_load, \ 655 ._dmamap_load_mbuf = _bus_dmamap_load_mbuf, \ 656 ._dmamap_load_raw = _bus_dmamap_load_raw, \ 657 ._dmamap_load_uio = _bus_dmamap_load_uio, \ 658 ._dmamap_unload = _bus_dmamap_unload, \ 659 _BUS_DMAMAP_SYNC_FUNCS 660 661 int _bus_dmamem_alloc(bus_dma_tag_t tag, bus_size_t size, 662 bus_size_t alignment, bus_size_t boundary, 663 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags); 664 void _bus_dmamem_free(bus_dma_tag_t tag, bus_dma_segment_t *segs, 665 int nsegs); 666 int _bus_dmamem_map(bus_dma_tag_t tag, bus_dma_segment_t *segs, 667 int nsegs, size_t size, void **kvap, int flags); 668 void _bus_dmamem_unmap(bus_dma_tag_t tag, void *kva, 669 size_t size); 670 paddr_t _bus_dmamem_mmap(bus_dma_tag_t tag, bus_dma_segment_t *segs, 671 int nsegs, off_t off, int prot, int flags); 672 673 #define _BUS_DMAMEM_FUNCS \ 674 ._dmamem_alloc = _bus_dmamem_alloc, \ 675 ._dmamem_free = _bus_dmamem_free, \ 676 ._dmamem_map = _bus_dmamem_map, \ 677 ._dmamem_unmap = _bus_dmamem_unmap, \ 678 ._dmamem_mmap = _bus_dmamem_mmap 679 680 int _bus_dmamem_alloc_range(bus_dma_tag_t tag, bus_size_t size, 681 bus_size_t alignment, bus_size_t boundary, 682 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags, 683 vaddr_t low, vaddr_t high); 684 685 int _bus_dmatag_subregion(bus_dma_tag_t, bus_addr_t, bus_addr_t, 686 bus_dma_tag_t *, int); 687 void _bus_dmatag_destroy(bus_dma_tag_t); 688 689 #define _BUS_DMATAG_FUNCS \ 690 ._dmatag_subregion = _bus_dmatag_subregion, \ 691 ._dmatag_destroy = _bus_dmatag_destroy 692 693 #endif /* _ARM32_BUS_DMA_PRIVATE */ 694 695 #endif /* _ARM_BUS_FUNCS_H_ */ 696