sys/riscv/include/bus.h

   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  * From: sys/arm/include/bus.h
  64  */
  65
  66 #ifndef _MACHINE_BUS_H_
  67 #define _MACHINE_BUS_H_
  68
  69 #include <machine/_bus.h>
  70
  71 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
  72
  73 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFFUL
  74 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFFUL
  75 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFFUL
  76 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFFUL
  77
  78 #define BUS_SPACE_MAXADDR       0xFFFFFFFFFFFFFFFFUL
  79 #define BUS_SPACE_MAXSIZE       0xFFFFFFFFFFFFFFFFUL
  80
  81 #define BUS_SPACE_MAP_CACHEABLE         0x01
  82 #define BUS_SPACE_MAP_LINEAR            0x02
  83 #define BUS_SPACE_MAP_PREFETCHABLE      0x04
  84
  85 #define BUS_SPACE_UNRESTRICTED  (~0)
  86
  87 #define BUS_SPACE_BARRIER_READ  0x01
  88 #define BUS_SPACE_BARRIER_WRITE 0x02
  89
  90 struct bus_space {
  91         /* cookie */
  92         void            *bs_cookie;
  93
  94         /* mapping/unmapping */
  95         int             (*bs_map) (void *, bus_addr_t, bus_size_t,
  96                             int, bus_space_handle_t *);
  97         void            (*bs_unmap) (void *, bus_space_handle_t, bus_size_t);
  98         int             (*bs_subregion) (void *, bus_space_handle_t,
  99                             bus_size_t, bus_size_t, bus_space_handle_t *);
 100
 101         /* allocation/deallocation */
 102         int             (*bs_alloc) (void *, bus_addr_t, bus_addr_t,
 103                             bus_size_t, bus_size_t, bus_size_t, int,
 104                             bus_addr_t *, bus_space_handle_t *);
 105         void            (*bs_free) (void *, bus_space_handle_t,
 106                             bus_size_t);
 107
 108         /* get kernel virtual address */
 109         /* barrier */
 110         void            (*bs_barrier) (void *, bus_space_handle_t,
 111                             bus_size_t, bus_size_t, int);
 112
 113         /* read single */
 114         u_int8_t        (*bs_r_1) (void *, bus_space_handle_t, bus_size_t);
 115         u_int16_t       (*bs_r_2) (void *, bus_space_handle_t, bus_size_t);
 116         u_int32_t       (*bs_r_4) (void *, bus_space_handle_t, bus_size_t);
 117         u_int64_t       (*bs_r_8) (void *, bus_space_handle_t, bus_size_t);
 118
 119         /* read multiple */
 120         void            (*bs_rm_1) (void *, bus_space_handle_t, bus_size_t,
 121             u_int8_t *, bus_size_t);
 122         void            (*bs_rm_2) (void *, bus_space_handle_t, bus_size_t,
 123             u_int16_t *, bus_size_t);
 124         void            (*bs_rm_4) (void *, bus_space_handle_t,
 125                             bus_size_t, u_int32_t *, bus_size_t);
 126         void            (*bs_rm_8) (void *, bus_space_handle_t,
 127                             bus_size_t, u_int64_t *, bus_size_t);
 128
 129         /* read region */
 130         void            (*bs_rr_1) (void *, bus_space_handle_t,
 131                             bus_size_t, u_int8_t *, bus_size_t);
 132         void            (*bs_rr_2) (void *, bus_space_handle_t,
 133                             bus_size_t, u_int16_t *, bus_size_t);
 134         void            (*bs_rr_4) (void *, bus_space_handle_t,
 135                             bus_size_t, u_int32_t *, bus_size_t);
 136         void            (*bs_rr_8) (void *, bus_space_handle_t,
 137                             bus_size_t, u_int64_t *, bus_size_t);
 138
 139         /* write single */
 140         void            (*bs_w_1) (void *, bus_space_handle_t,
 141                             bus_size_t, u_int8_t);
 142         void            (*bs_w_2) (void *, bus_space_handle_t,
 143                             bus_size_t, u_int16_t);
 144         void            (*bs_w_4) (void *, bus_space_handle_t,
 145                             bus_size_t, u_int32_t);
 146         void            (*bs_w_8) (void *, bus_space_handle_t,
 147                             bus_size_t, u_int64_t);
 148
 149         /* write multiple */
 150         void            (*bs_wm_1) (void *, bus_space_handle_t,
 151                             bus_size_t, const u_int8_t *, bus_size_t);
 152         void            (*bs_wm_2) (void *, bus_space_handle_t,
 153                             bus_size_t, const u_int16_t *, bus_size_t);
 154         void            (*bs_wm_4) (void *, bus_space_handle_t,
 155                             bus_size_t, const u_int32_t *, bus_size_t);
 156         void            (*bs_wm_8) (void *, bus_space_handle_t,
 157                             bus_size_t, const u_int64_t *, bus_size_t);
 158
 159         /* write region */
 160         void            (*bs_wr_1) (void *, bus_space_handle_t,
 161                             bus_size_t, const u_int8_t *, bus_size_t);
 162         void            (*bs_wr_2) (void *, bus_space_handle_t,
 163                             bus_size_t, const u_int16_t *, bus_size_t);
 164         void            (*bs_wr_4) (void *, bus_space_handle_t,
 165                             bus_size_t, const u_int32_t *, bus_size_t);
 166         void            (*bs_wr_8) (void *, bus_space_handle_t,
 167                             bus_size_t, const u_int64_t *, bus_size_t);
 168
 169         /* set multiple */
 170         void            (*bs_sm_1) (void *, bus_space_handle_t,
 171                             bus_size_t, u_int8_t, bus_size_t);
 172         void            (*bs_sm_2) (void *, bus_space_handle_t,
 173                             bus_size_t, u_int16_t, bus_size_t);
 174         void            (*bs_sm_4) (void *, bus_space_handle_t,
 175                             bus_size_t, u_int32_t, bus_size_t);
 176         void            (*bs_sm_8) (void *, bus_space_handle_t,
 177                             bus_size_t, u_int64_t, bus_size_t);
 178
 179         /* set region */
 180         void            (*bs_sr_1) (void *, bus_space_handle_t,
 181                             bus_size_t, u_int8_t, bus_size_t);
 182         void            (*bs_sr_2) (void *, bus_space_handle_t,
 183                             bus_size_t, u_int16_t, bus_size_t);
 184         void            (*bs_sr_4) (void *, bus_space_handle_t,
 185                             bus_size_t, u_int32_t, bus_size_t);
 186         void            (*bs_sr_8) (void *, bus_space_handle_t,
 187                             bus_size_t, u_int64_t, bus_size_t);
 188
 189         /* copy */
 190         void            (*bs_c_1) (void *, bus_space_handle_t, bus_size_t,
 191                             bus_space_handle_t, bus_size_t, bus_size_t);
 192         void            (*bs_c_2) (void *, bus_space_handle_t, bus_size_t,
 193                             bus_space_handle_t, bus_size_t, bus_size_t);
 194         void            (*bs_c_4) (void *, bus_space_handle_t, bus_size_t,
 195                             bus_space_handle_t, bus_size_t, bus_size_t);
 196         void            (*bs_c_8) (void *, bus_space_handle_t, bus_size_t,
 197                             bus_space_handle_t, bus_size_t, bus_size_t);
 198
 199         /* read single stream */
 200         u_int8_t        (*bs_r_1_s) (void *, bus_space_handle_t, bus_size_t);
 201         u_int16_t       (*bs_r_2_s) (void *, bus_space_handle_t, bus_size_t);
 202         u_int32_t       (*bs_r_4_s) (void *, bus_space_handle_t, bus_size_t);
 203         u_int64_t       (*bs_r_8_s) (void *, bus_space_handle_t, bus_size_t);
 204
 205         /* read multiple stream */
 206         void            (*bs_rm_1_s) (void *, bus_space_handle_t, bus_size_t,
 207             u_int8_t *, bus_size_t);
 208         void            (*bs_rm_2_s) (void *, bus_space_handle_t, bus_size_t,
 209             u_int16_t *, bus_size_t);
 210         void            (*bs_rm_4_s) (void *, bus_space_handle_t,
 211                             bus_size_t, u_int32_t *, bus_size_t);
 212         void            (*bs_rm_8_s) (void *, bus_space_handle_t,
 213                             bus_size_t, u_int64_t *, bus_size_t);
 214
 215         /* read region stream */
 216         void            (*bs_rr_1_s) (void *, bus_space_handle_t,
 217                             bus_size_t, u_int8_t *, bus_size_t);
 218         void            (*bs_rr_2_s) (void *, bus_space_handle_t,
 219                             bus_size_t, u_int16_t *, bus_size_t);
 220         void            (*bs_rr_4_s) (void *, bus_space_handle_t,
 221                             bus_size_t, u_int32_t *, bus_size_t);
 222         void            (*bs_rr_8_s) (void *, bus_space_handle_t,
 223                             bus_size_t, u_int64_t *, bus_size_t);
 224
 225         /* write single stream */
 226         void            (*bs_w_1_s) (void *, bus_space_handle_t,
 227                             bus_size_t, u_int8_t);
 228         void            (*bs_w_2_s) (void *, bus_space_handle_t,
 229                             bus_size_t, u_int16_t);
 230         void            (*bs_w_4_s) (void *, bus_space_handle_t,
 231                             bus_size_t, u_int32_t);
 232         void            (*bs_w_8_s) (void *, bus_space_handle_t,
 233                             bus_size_t, u_int64_t);
 234
 235         /* write multiple stream */
 236         void            (*bs_wm_1_s) (void *, bus_space_handle_t,
 237                             bus_size_t, const u_int8_t *, bus_size_t);
 238         void            (*bs_wm_2_s) (void *, bus_space_handle_t,
 239                             bus_size_t, const u_int16_t *, bus_size_t);
 240         void            (*bs_wm_4_s) (void *, bus_space_handle_t,
 241                             bus_size_t, const u_int32_t *, bus_size_t);
 242         void            (*bs_wm_8_s) (void *, bus_space_handle_t,
 243                             bus_size_t, const u_int64_t *, bus_size_t);
 244
 245         /* write region stream */
 246         void            (*bs_wr_1_s) (void *, bus_space_handle_t,
 247                             bus_size_t, const u_int8_t *, bus_size_t);
 248         void            (*bs_wr_2_s) (void *, bus_space_handle_t,
 249                             bus_size_t, const u_int16_t *, bus_size_t);
 250         void            (*bs_wr_4_s) (void *, bus_space_handle_t,
 251                             bus_size_t, const u_int32_t *, bus_size_t);
 252         void            (*bs_wr_8_s) (void *, bus_space_handle_t,
 253                             bus_size_t, const u_int64_t *, bus_size_t);
 254 };
 255
 256 /*
 257  * Utility macros; INTERNAL USE ONLY.
 258  */
 259 #define __bs_c(a,b)             __CONCAT(a,b)
 260 #define __bs_opname(op,size)    __bs_c(__bs_c(__bs_c(bs_,op),_),size)
 261
 262 #define __bs_rs(sz, t, h, o)                                            \
 263         (*(t)->__bs_opname(r,sz))((t)->bs_cookie, h, o)
 264 #define __bs_ws(sz, t, h, o, v)                                         \
 265         (*(t)->__bs_opname(w,sz))((t)->bs_cookie, h, o, v)
 266 #define __bs_nonsingle(type, sz, t, h, o, a, c)                         \
 267         (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c)
 268 #define __bs_set(type, sz, t, h, o, v, c)                               \
 269         (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v, c)
 270 #define __bs_copy(sz, t, h1, o1, h2, o2, cnt)                           \
 271         (*(t)->__bs_opname(c,sz))((t)->bs_cookie, 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)->bs_cookie, h, o)
 276 #define __bs_ws_s(sz, t, h, o, v)                                       \
 277         (*(t)->__bs_opname_s(w,sz))((t)->bs_cookie, h, o, v)
 278 #define __bs_nonsingle_s(type, sz, t, h, o, a, c)                       \
 279         (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, a, c)
 280
 281 /*
 282  * Mapping and unmapping operations.
 283  */
 284 #define bus_space_map(t, a, s, c, hp)                                   \
 285         (*(t)->bs_map)((t)->bs_cookie, (a), (s), (c), (hp))
 286 #define bus_space_unmap(t, h, s)                                        \
 287         (*(t)->bs_unmap)((t)->bs_cookie, (h), (s))
 288 #define bus_space_subregion(t, h, o, s, hp)                             \
 289         (*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))
 290
 291 /*
 292  * Allocation and deallocation operations.
 293  */
 294 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp)                  \
 295         (*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b),     \
 296             (c), (ap), (hp))
 297 #define bus_space_free(t, h, s)                                         \
 298         (*(t)->bs_free)((t)->bs_cookie, (h), (s))
 299
 300 /*
 301  * Bus barrier operations.
 302  */
 303 #define bus_space_barrier(t, h, o, l, f)                                \
 304         (*(t)->bs_barrier)((t)->bs_cookie, (h), (o), (l), (f))
 305
 306 /*
 307  * Bus read (single) operations.
 308  */
 309 #define bus_space_read_1(t, h, o)       __bs_rs(1,(t),(h),(o))
 310 #define bus_space_read_2(t, h, o)       __bs_rs(2,(t),(h),(o))
 311 #define bus_space_read_4(t, h, o)       __bs_rs(4,(t),(h),(o))
 312 #define bus_space_read_8(t, h, o)       __bs_rs(8,(t),(h),(o))
 313
 314 #define bus_space_read_stream_1(t, h, o)        __bs_rs_s(1,(t), (h), (o))
 315 #define bus_space_read_stream_2(t, h, o)        __bs_rs_s(2,(t), (h), (o))
 316 #define bus_space_read_stream_4(t, h, o)        __bs_rs_s(4,(t), (h), (o))
 317 #define bus_space_read_stream_8(t, h, o)        __bs_rs_s(8,8,(t),(h),(o))
 318
 319 /*
 320  * Bus read multiple operations.
 321  */
 322 #define bus_space_read_multi_1(t, h, o, a, c)                           \
 323         __bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
 324 #define bus_space_read_multi_2(t, h, o, a, c)                           \
 325         __bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
 326 #define bus_space_read_multi_4(t, h, o, a, c)                           \
 327         __bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
 328 #define bus_space_read_multi_8(t, h, o, a, c)                           \
 329         __bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
 330
 331 #define bus_space_read_multi_stream_1(t, h, o, a, c)                    \
 332         __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c))
 333 #define bus_space_read_multi_stream_2(t, h, o, a, c)                    \
 334         __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c))
 335 #define bus_space_read_multi_stream_4(t, h, o, a, c)                    \
 336         __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c))
 337 #define bus_space_read_multi_stream_8(t, h, o, a, c)                    \
 338         __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c))
 339
 340 /*
 341  * Bus read region operations.
 342  */
 343 #define bus_space_read_region_1(t, h, o, a, c)                          \
 344         __bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
 345 #define bus_space_read_region_2(t, h, o, a, c)                          \
 346         __bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
 347 #define bus_space_read_region_4(t, h, o, a, c)                          \
 348         __bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
 349 #define bus_space_read_region_8(t, h, o, a, c)                          \
 350         __bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
 351
 352 #define bus_space_read_region_stream_1(t, h, o, a, c)                   \
 353         __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c))
 354 #define bus_space_read_region_stream_2(t, h, o, a, c)                   \
 355         __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c))
 356 #define bus_space_read_region_stream_4(t, h, o, a, c)                   \
 357         __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c))
 358 #define bus_space_read_region_stream_8(t, h, o, a, c)                   \
 359         __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c))
 360
 361 /*
 362  * Bus write (single) operations.
 363  */
 364 #define bus_space_write_1(t, h, o, v)   __bs_ws(1,(t),(h),(o),(v))
 365 #define bus_space_write_2(t, h, o, v)   __bs_ws(2,(t),(h),(o),(v))
 366 #define bus_space_write_4(t, h, o, v)   __bs_ws(4,(t),(h),(o),(v))
 367 #define bus_space_write_8(t, h, o, v)   __bs_ws(8,(t),(h),(o),(v))
 368
 369 #define bus_space_write_stream_1(t, h, o, v)    __bs_ws_s(1,(t),(h),(o),(v))
 370 #define bus_space_write_stream_2(t, h, o, v)    __bs_ws_s(2,(t),(h),(o),(v))
 371 #define bus_space_write_stream_4(t, h, o, v)    __bs_ws_s(4,(t),(h),(o),(v))
 372 #define bus_space_write_stream_8(t, h, o, v)    __bs_ws_s(8,(t),(h),(o),(v))
 373
 374 /*
 375  * Bus write multiple operations.
 376  */
 377 #define bus_space_write_multi_1(t, h, o, a, c)                          \
 378         __bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
 379 #define bus_space_write_multi_2(t, h, o, a, c)                          \
 380         __bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
 381 #define bus_space_write_multi_4(t, h, o, a, c)                          \
 382         __bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
 383 #define bus_space_write_multi_8(t, h, o, a, c)                          \
 384         __bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
 385
 386 #define bus_space_write_multi_stream_1(t, h, o, a, c)                   \
 387         __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c))
 388 #define bus_space_write_multi_stream_2(t, h, o, a, c)                   \
 389         __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c))
 390 #define bus_space_write_multi_stream_4(t, h, o, a, c)                   \
 391         __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c))
 392 #define bus_space_write_multi_stream_8(t, h, o, a, c)                   \
 393         __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c))
 394
 395 /*
 396  * Bus write region operations.
 397  */
 398 #define bus_space_write_region_1(t, h, o, a, c)                         \
 399         __bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
 400 #define bus_space_write_region_2(t, h, o, a, c)                         \
 401         __bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
 402 #define bus_space_write_region_4(t, h, o, a, c)                         \
 403         __bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
 404 #define bus_space_write_region_8(t, h, o, a, c)                         \
 405         __bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
 406
 407 #define bus_space_write_region_stream_1(t, h, o, a, c)                  \
 408         __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c))
 409 #define bus_space_write_region_stream_2(t, h, o, a, c)                  \
 410         __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c))
 411 #define bus_space_write_region_stream_4(t, h, o, a, c)                  \
 412         __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c))
 413 #define bus_space_write_region_stream_8(t, h, o, a, c)                  \
 414         __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c))
 415
 416 /*
 417  * Set multiple operations.
 418  */
 419 #define bus_space_set_multi_1(t, h, o, v, c)                            \
 420         __bs_set(sm,1,(t),(h),(o),(v),(c))
 421 #define bus_space_set_multi_2(t, h, o, v, c)                            \
 422         __bs_set(sm,2,(t),(h),(o),(v),(c))
 423 #define bus_space_set_multi_4(t, h, o, v, c)                            \
 424         __bs_set(sm,4,(t),(h),(o),(v),(c))
 425 #define bus_space_set_multi_8(t, h, o, v, c)                            \
 426         __bs_set(sm,8,(t),(h),(o),(v),(c))
 427
 428 /*
 429  * Set region operations.
 430  */
 431 #define bus_space_set_region_1(t, h, o, v, c)                           \
 432         __bs_set(sr,1,(t),(h),(o),(v),(c))
 433 #define bus_space_set_region_2(t, h, o, v, c)                           \
 434         __bs_set(sr,2,(t),(h),(o),(v),(c))
 435 #define bus_space_set_region_4(t, h, o, v, c)                           \
 436         __bs_set(sr,4,(t),(h),(o),(v),(c))
 437 #define bus_space_set_region_8(t, h, o, v, c)                           \
 438         __bs_set(sr,8,(t),(h),(o),(v),(c))
 439
 440 /*
 441  * Copy operations.
 442  */
 443 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c)                           \
 444         __bs_copy(1, t, h1, o1, h2, o2, c)
 445 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c)                           \
 446         __bs_copy(2, t, h1, o1, h2, o2, c)
 447 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c)                           \
 448         __bs_copy(4, t, h1, o1, h2, o2, c)
 449 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c)                           \
 450         __bs_copy(8, t, h1, o1, h2, o2, c)
 451
 452 #define BUS_PEEK_FUNC(width, type)                                      \
 453         static inline int                                               \
 454         bus_space_peek_##width(bus_space_tag_t tag,                     \
 455             bus_space_handle_t hnd, bus_size_t offset, type *value)     \
 456         {                                                               \
 457                 type tmp;                                               \
 458                 tmp = bus_space_read_##width(tag, hnd, offset);         \
 459                 *value = (type)tmp;                                     \
 460                 return (0);                                             \
 461         }
 462 BUS_PEEK_FUNC(1, uint8_t)
 463 BUS_PEEK_FUNC(2, uint16_t)
 464 BUS_PEEK_FUNC(4, uint32_t)
 465 BUS_PEEK_FUNC(8, uint64_t)
 466
 467 #define BUS_POKE_FUNC(width, type)                                      \
 468         static inline int                                               \
 469         bus_space_poke_##width(bus_space_tag_t tag,                     \
 470             bus_space_handle_t hnd, bus_size_t offset, type value)      \
 471         {                                                               \
 472                 bus_space_write_##width(tag, hnd, offset, value);       \
 473                 return (0);                                             \
 474         }
 475 BUS_POKE_FUNC(1, uint8_t)
 476 BUS_POKE_FUNC(2, uint16_t)
 477 BUS_POKE_FUNC(4, uint32_t)
 478 BUS_POKE_FUNC(8, uint64_t)
 479
 480 #include <machine/bus_dma.h>
 481
 482 #endif /* _MACHINE_BUS_H_ */