1 /* $NetBSD: bus.h,v 1.11 2003/07/28 17:35:54 thorpej Exp $ */
4 * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
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.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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.
34 * Copyright (c) 1996 Charles M. Hannum. All rights reserved.
35 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
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
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.
66 #ifndef _MACHINE_BUS_H_
67 #define _MACHINE_BUS_H_
69 #include <machine/_bus.h>
72 * int bus_space_map (bus_space_tag_t t, bus_addr_t addr,
73 * bus_size_t size, int flags, bus_space_handle_t *bshp);
75 * Map a region of bus space.
78 #define BUS_SPACE_MAP_CACHEABLE 0x01
79 #define BUS_SPACE_MAP_LINEAR 0x02
80 #define BUS_SPACE_MAP_PREFETCHABLE 0x04
85 * The functions used most often are grouped together at the beginning to ensure
86 * that all the data fits into a single cache line. The inline implementations
87 * of single read/write access these values a lot.
90 /* Read/write single and barrier: the most commonly used functions. */
91 uint8_t (*bs_r_1)(bus_space_tag_t, bus_space_handle_t, bus_size_t);
92 uint32_t (*bs_r_4)(bus_space_tag_t, bus_space_handle_t, bus_size_t);
93 void (*bs_w_1)(bus_space_tag_t, bus_space_handle_t,
95 void (*bs_w_4)(bus_space_tag_t, bus_space_handle_t,
96 bus_size_t, uint32_t);
97 void (*bs_barrier)(bus_space_tag_t, bus_space_handle_t,
98 bus_size_t, bus_size_t, int);
100 /* Backlink to parent (if copied), and implementation private data. */
101 struct bus_space *bs_parent;
104 /* mapping/unmapping */
105 int (*bs_map) (bus_space_tag_t, bus_addr_t, bus_size_t,
106 int, bus_space_handle_t *);
107 void (*bs_unmap) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
108 int (*bs_subregion) (bus_space_tag_t, bus_space_handle_t,
109 bus_size_t, bus_size_t, bus_space_handle_t *);
111 /* allocation/deallocation */
112 int (*bs_alloc) (bus_space_tag_t, bus_addr_t, bus_addr_t,
113 bus_size_t, bus_size_t, bus_size_t, int,
114 bus_addr_t *, bus_space_handle_t *);
115 void (*bs_free) (bus_space_tag_t, bus_space_handle_t,
118 /* Read single, the less commonly used functions. */
119 uint16_t (*bs_r_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
120 uint64_t (*bs_r_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
123 void (*bs_rm_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
124 uint8_t *, bus_size_t);
125 void (*bs_rm_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
126 uint16_t *, bus_size_t);
127 void (*bs_rm_4) (bus_space_tag_t, bus_space_handle_t,
128 bus_size_t, uint32_t *, bus_size_t);
129 void (*bs_rm_8) (bus_space_tag_t, bus_space_handle_t,
130 bus_size_t, uint64_t *, bus_size_t);
133 void (*bs_rr_1) (bus_space_tag_t, bus_space_handle_t,
134 bus_size_t, uint8_t *, bus_size_t);
135 void (*bs_rr_2) (bus_space_tag_t, bus_space_handle_t,
136 bus_size_t, uint16_t *, bus_size_t);
137 void (*bs_rr_4) (bus_space_tag_t, bus_space_handle_t,
138 bus_size_t, uint32_t *, bus_size_t);
139 void (*bs_rr_8) (bus_space_tag_t, bus_space_handle_t,
140 bus_size_t, uint64_t *, bus_size_t);
142 /* Write single, the less commonly used functions. */
143 void (*bs_w_2) (bus_space_tag_t, bus_space_handle_t,
144 bus_size_t, uint16_t);
145 void (*bs_w_8) (bus_space_tag_t, bus_space_handle_t,
146 bus_size_t, uint64_t);
149 void (*bs_wm_1) (bus_space_tag_t, bus_space_handle_t,
150 bus_size_t, const uint8_t *, bus_size_t);
151 void (*bs_wm_2) (bus_space_tag_t, bus_space_handle_t,
152 bus_size_t, const uint16_t *, bus_size_t);
153 void (*bs_wm_4) (bus_space_tag_t, bus_space_handle_t,
154 bus_size_t, const uint32_t *, bus_size_t);
155 void (*bs_wm_8) (bus_space_tag_t, bus_space_handle_t,
156 bus_size_t, const uint64_t *, bus_size_t);
159 void (*bs_wr_1) (bus_space_tag_t, bus_space_handle_t,
160 bus_size_t, const uint8_t *, bus_size_t);
161 void (*bs_wr_2) (bus_space_tag_t, bus_space_handle_t,
162 bus_size_t, const uint16_t *, bus_size_t);
163 void (*bs_wr_4) (bus_space_tag_t, bus_space_handle_t,
164 bus_size_t, const uint32_t *, bus_size_t);
165 void (*bs_wr_8) (bus_space_tag_t, bus_space_handle_t,
166 bus_size_t, const uint64_t *, bus_size_t);
169 void (*bs_sm_1) (bus_space_tag_t, bus_space_handle_t,
170 bus_size_t, uint8_t, bus_size_t);
171 void (*bs_sm_2) (bus_space_tag_t, bus_space_handle_t,
172 bus_size_t, uint16_t, bus_size_t);
173 void (*bs_sm_4) (bus_space_tag_t, bus_space_handle_t,
174 bus_size_t, uint32_t, bus_size_t);
175 void (*bs_sm_8) (bus_space_tag_t, bus_space_handle_t,
176 bus_size_t, uint64_t, bus_size_t);
179 void (*bs_sr_1) (bus_space_tag_t, bus_space_handle_t,
180 bus_size_t, uint8_t, bus_size_t);
181 void (*bs_sr_2) (bus_space_tag_t, bus_space_handle_t,
182 bus_size_t, uint16_t, bus_size_t);
183 void (*bs_sr_4) (bus_space_tag_t, bus_space_handle_t,
184 bus_size_t, uint32_t, bus_size_t);
185 void (*bs_sr_8) (bus_space_tag_t, bus_space_handle_t,
186 bus_size_t, uint64_t, bus_size_t);
189 void (*bs_c_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
190 bus_space_handle_t, bus_size_t, bus_size_t);
191 void (*bs_c_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
192 bus_space_handle_t, bus_size_t, bus_size_t);
193 void (*bs_c_4) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
194 bus_space_handle_t, bus_size_t, bus_size_t);
195 void (*bs_c_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
196 bus_space_handle_t, bus_size_t, bus_size_t);
198 /* read stream (single) */
199 uint8_t (*bs_r_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
200 uint16_t (*bs_r_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
201 uint32_t (*bs_r_4_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
202 uint64_t (*bs_r_8_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
204 /* read multiple stream */
205 void (*bs_rm_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
206 uint8_t *, bus_size_t);
207 void (*bs_rm_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
208 uint16_t *, bus_size_t);
209 void (*bs_rm_4_s) (bus_space_tag_t, bus_space_handle_t,
210 bus_size_t, uint32_t *, bus_size_t);
211 void (*bs_rm_8_s) (bus_space_tag_t, bus_space_handle_t,
212 bus_size_t, uint64_t *, bus_size_t);
214 /* read region stream */
215 void (*bs_rr_1_s) (bus_space_tag_t, bus_space_handle_t,
216 bus_size_t, uint8_t *, bus_size_t);
217 void (*bs_rr_2_s) (bus_space_tag_t, bus_space_handle_t,
218 bus_size_t, uint16_t *, bus_size_t);
219 void (*bs_rr_4_s) (bus_space_tag_t, bus_space_handle_t,
220 bus_size_t, uint32_t *, bus_size_t);
221 void (*bs_rr_8_s) (bus_space_tag_t, bus_space_handle_t,
222 bus_size_t, uint64_t *, bus_size_t);
224 /* write stream (single) */
225 void (*bs_w_1_s) (bus_space_tag_t, bus_space_handle_t,
226 bus_size_t, uint8_t);
227 void (*bs_w_2_s) (bus_space_tag_t, bus_space_handle_t,
228 bus_size_t, uint16_t);
229 void (*bs_w_4_s) (bus_space_tag_t, bus_space_handle_t,
230 bus_size_t, uint32_t);
231 void (*bs_w_8_s) (bus_space_tag_t, bus_space_handle_t,
232 bus_size_t, uint64_t);
234 /* write multiple stream */
235 void (*bs_wm_1_s) (bus_space_tag_t, bus_space_handle_t,
236 bus_size_t, const uint8_t *, bus_size_t);
237 void (*bs_wm_2_s) (bus_space_tag_t, bus_space_handle_t,
238 bus_size_t, const uint16_t *, bus_size_t);
239 void (*bs_wm_4_s) (bus_space_tag_t, bus_space_handle_t,
240 bus_size_t, const uint32_t *, bus_size_t);
241 void (*bs_wm_8_s) (bus_space_tag_t, bus_space_handle_t,
242 bus_size_t, const uint64_t *, bus_size_t);
244 /* write region stream */
245 void (*bs_wr_1_s) (bus_space_tag_t, bus_space_handle_t,
246 bus_size_t, const uint8_t *, bus_size_t);
247 void (*bs_wr_2_s) (bus_space_tag_t, bus_space_handle_t,
248 bus_size_t, const uint16_t *, bus_size_t);
249 void (*bs_wr_4_s) (bus_space_tag_t, bus_space_handle_t,
250 bus_size_t, const uint32_t *, bus_size_t);
251 void (*bs_wr_8_s) (bus_space_tag_t, bus_space_handle_t,
252 bus_size_t, const uint64_t *, bus_size_t);
256 extern bus_space_tag_t arm_base_bs_tag;
260 * Utility macros; INTERNAL USE ONLY.
262 #define __bs_c(a,b) __CONCAT(a,b)
263 #define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size)
265 #define __bs_nonsingle(type, sz, t, h, o, a, c) \
266 (*(t)->__bs_opname(type,sz))((t), h, o, a, c)
267 #define __bs_set(type, sz, t, h, o, v, c) \
268 (*(t)->__bs_opname(type,sz))((t), h, o, v, c)
269 #define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \
270 (*(t)->__bs_opname(c,sz))((t), h1, o1, h2, o2, cnt)
272 #define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s)
273 #define __bs_rs_s(sz, t, h, o) \
274 (*(t)->__bs_opname_s(r,sz))((t), h, o)
275 #define __bs_ws_s(sz, t, h, o, v) \
276 (*(t)->__bs_opname_s(w,sz))((t), h, o, v)
277 #define __bs_nonsingle_s(type, sz, t, h, o, a, c) \
278 (*(t)->__bs_opname_s(type,sz))((t), h, o, a, c)
281 #define __generate_inline_bs_rs(IFN, MBR, TYP) \
283 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) \
286 if (__predict_true(t->MBR == NULL)) \
287 return (*(volatile TYP *)(h + o)); \
289 return (t->MBR(t, h, o)); \
292 #define __generate_inline_bs_ws(IFN, MBR, TYP) \
294 IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, TYP v)\
297 if (__predict_true(t->MBR == NULL)) \
298 *(volatile TYP *)(h + o) = v; \
300 t->MBR(t, h, o, v); \
304 * Mapping and unmapping operations.
306 #define bus_space_map(t, a, s, c, hp) \
307 (*(t)->bs_map)((t), (a), (s), (c), (hp))
308 #define bus_space_unmap(t, h, s) \
309 (*(t)->bs_unmap)((t), (h), (s))
310 #define bus_space_subregion(t, h, o, s, hp) \
311 (*(t)->bs_subregion)((t), (h), (o), (s), (hp))
315 * Allocation and deallocation operations.
317 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \
318 (*(t)->bs_alloc)((t), (rs), (re), (s), (a), (b), \
320 #define bus_space_free(t, h, s) \
321 (*(t)->bs_free)((t), (h), (s))
324 * Bus barrier operations.
326 #define bus_space_barrier(t, h, o, l, f) \
327 (*(t)->bs_barrier)((t), (h), (o), (l), (f))
329 #define BUS_SPACE_BARRIER_READ 0x01
330 #define BUS_SPACE_BARRIER_WRITE 0x02
333 * Bus read (single) operations.
335 __generate_inline_bs_rs(bus_space_read_1, bs_r_1, uint8_t);
336 __generate_inline_bs_rs(bus_space_read_2, bs_r_2, uint16_t);
337 __generate_inline_bs_rs(bus_space_read_4, bs_r_4, uint32_t);
338 __generate_inline_bs_rs(bus_space_read_8, bs_r_8, uint64_t);
340 __generate_inline_bs_rs(bus_space_read_stream_1, bs_r_1_s, uint8_t);
341 __generate_inline_bs_rs(bus_space_read_stream_2, bs_r_2_s, uint16_t);
342 __generate_inline_bs_rs(bus_space_read_stream_4, bs_r_4_s, uint32_t);
343 __generate_inline_bs_rs(bus_space_read_stream_8, bs_r_8_s, uint64_t);
346 * Bus read multiple operations.
348 #define bus_space_read_multi_1(t, h, o, a, c) \
349 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
350 #define bus_space_read_multi_2(t, h, o, a, c) \
351 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
352 #define bus_space_read_multi_4(t, h, o, a, c) \
353 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
354 #define bus_space_read_multi_8(t, h, o, a, c) \
355 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
357 #define bus_space_read_multi_stream_1(t, h, o, a, c) \
358 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c))
359 #define bus_space_read_multi_stream_2(t, h, o, a, c) \
360 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c))
361 #define bus_space_read_multi_stream_4(t, h, o, a, c) \
362 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c))
363 #define bus_space_read_multi_stream_8(t, h, o, a, c) \
364 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c))
368 * Bus read region operations.
370 #define bus_space_read_region_1(t, h, o, a, c) \
371 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
372 #define bus_space_read_region_2(t, h, o, a, c) \
373 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
374 #define bus_space_read_region_4(t, h, o, a, c) \
375 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
376 #define bus_space_read_region_8(t, h, o, a, c) \
377 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
379 #define bus_space_read_region_stream_1(t, h, o, a, c) \
380 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c))
381 #define bus_space_read_region_stream_2(t, h, o, a, c) \
382 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c))
383 #define bus_space_read_region_stream_4(t, h, o, a, c) \
384 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c))
385 #define bus_space_read_region_stream_8(t, h, o, a, c) \
386 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c))
390 * Bus write (single) operations.
392 __generate_inline_bs_ws(bus_space_write_1, bs_w_1, uint8_t);
393 __generate_inline_bs_ws(bus_space_write_2, bs_w_2, uint16_t);
394 __generate_inline_bs_ws(bus_space_write_4, bs_w_4, uint32_t);
395 __generate_inline_bs_ws(bus_space_write_8, bs_w_8, uint64_t);
397 __generate_inline_bs_ws(bus_space_write_stream_1, bs_w_1_s, uint8_t);
398 __generate_inline_bs_ws(bus_space_write_stream_2, bs_w_2_s, uint16_t);
399 __generate_inline_bs_ws(bus_space_write_stream_4, bs_w_4_s, uint32_t);
400 __generate_inline_bs_ws(bus_space_write_stream_8, bs_w_8_s, uint64_t);
404 * Bus write multiple operations.
406 #define bus_space_write_multi_1(t, h, o, a, c) \
407 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
408 #define bus_space_write_multi_2(t, h, o, a, c) \
409 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
410 #define bus_space_write_multi_4(t, h, o, a, c) \
411 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
412 #define bus_space_write_multi_8(t, h, o, a, c) \
413 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
415 #define bus_space_write_multi_stream_1(t, h, o, a, c) \
416 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c))
417 #define bus_space_write_multi_stream_2(t, h, o, a, c) \
418 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c))
419 #define bus_space_write_multi_stream_4(t, h, o, a, c) \
420 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c))
421 #define bus_space_write_multi_stream_8(t, h, o, a, c) \
422 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c))
426 * Bus write region operations.
428 #define bus_space_write_region_1(t, h, o, a, c) \
429 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
430 #define bus_space_write_region_2(t, h, o, a, c) \
431 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
432 #define bus_space_write_region_4(t, h, o, a, c) \
433 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
434 #define bus_space_write_region_8(t, h, o, a, c) \
435 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
437 #define bus_space_write_region_stream_1(t, h, o, a, c) \
438 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c))
439 #define bus_space_write_region_stream_2(t, h, o, a, c) \
440 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c))
441 #define bus_space_write_region_stream_4(t, h, o, a, c) \
442 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c))
443 #define bus_space_write_region_stream_8(t, h, o, a, c) \
444 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c))
448 * Set multiple operations.
450 #define bus_space_set_multi_1(t, h, o, v, c) \
451 __bs_set(sm,1,(t),(h),(o),(v),(c))
452 #define bus_space_set_multi_2(t, h, o, v, c) \
453 __bs_set(sm,2,(t),(h),(o),(v),(c))
454 #define bus_space_set_multi_4(t, h, o, v, c) \
455 __bs_set(sm,4,(t),(h),(o),(v),(c))
456 #define bus_space_set_multi_8(t, h, o, v, c) \
457 __bs_set(sm,8,(t),(h),(o),(v),(c))
461 * Set region operations.
463 #define bus_space_set_region_1(t, h, o, v, c) \
464 __bs_set(sr,1,(t),(h),(o),(v),(c))
465 #define bus_space_set_region_2(t, h, o, v, c) \
466 __bs_set(sr,2,(t),(h),(o),(v),(c))
467 #define bus_space_set_region_4(t, h, o, v, c) \
468 __bs_set(sr,4,(t),(h),(o),(v),(c))
469 #define bus_space_set_region_8(t, h, o, v, c) \
470 __bs_set(sr,8,(t),(h),(o),(v),(c))
476 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \
477 __bs_copy(1, t, h1, o1, h2, o2, c)
478 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \
479 __bs_copy(2, t, h1, o1, h2, o2, c)
480 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \
481 __bs_copy(4, t, h1, o1, h2, o2, c)
482 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \
483 __bs_copy(8, t, h1, o1, h2, o2, c)
486 * Macros to provide prototypes for all the functions used in the
487 * bus_space structure
490 #define bs_map_proto(f) \
491 int __bs_c(f,_bs_map) (bus_space_tag_t t, bus_addr_t addr, \
492 bus_size_t size, int cacheable, bus_space_handle_t *bshp);
494 #define bs_unmap_proto(f) \
495 void __bs_c(f,_bs_unmap) (bus_space_tag_t t, bus_space_handle_t bsh, \
498 #define bs_subregion_proto(f) \
499 int __bs_c(f,_bs_subregion) (bus_space_tag_t t, bus_space_handle_t bsh, \
500 bus_size_t offset, bus_size_t size, \
501 bus_space_handle_t *nbshp);
503 #define bs_alloc_proto(f) \
504 int __bs_c(f,_bs_alloc) (bus_space_tag_t t, bus_addr_t rstart, \
505 bus_addr_t rend, bus_size_t size, bus_size_t align, \
506 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \
507 bus_space_handle_t *bshp);
509 #define bs_free_proto(f) \
510 void __bs_c(f,_bs_free) (bus_space_tag_t t, bus_space_handle_t bsh, \
513 #define bs_mmap_proto(f) \
514 int __bs_c(f,_bs_mmap) (struct cdev *, vm_offset_t, vm_paddr_t *, int);
516 #define bs_barrier_proto(f) \
517 void __bs_c(f,_bs_barrier) (bus_space_tag_t t, bus_space_handle_t bsh, \
518 bus_size_t offset, bus_size_t len, int flags);
520 #define bs_r_1_proto(f) \
521 uint8_t __bs_c(f,_bs_r_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
524 #define bs_r_2_proto(f) \
525 uint16_t __bs_c(f,_bs_r_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
528 #define bs_r_4_proto(f) \
529 uint32_t __bs_c(f,_bs_r_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
532 #define bs_r_8_proto(f) \
533 uint64_t __bs_c(f,_bs_r_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
536 #define bs_r_1_s_proto(f) \
537 uint8_t __bs_c(f,_bs_r_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \
540 #define bs_r_2_s_proto(f) \
541 uint16_t __bs_c(f,_bs_r_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \
544 #define bs_r_4_s_proto(f) \
545 uint32_t __bs_c(f,_bs_r_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \
548 #define bs_w_1_proto(f) \
549 void __bs_c(f,_bs_w_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
550 bus_size_t offset, uint8_t value);
552 #define bs_w_2_proto(f) \
553 void __bs_c(f,_bs_w_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
554 bus_size_t offset, uint16_t value);
556 #define bs_w_4_proto(f) \
557 void __bs_c(f,_bs_w_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
558 bus_size_t offset, uint32_t value);
560 #define bs_w_8_proto(f) \
561 void __bs_c(f,_bs_w_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
562 bus_size_t offset, uint64_t value);
564 #define bs_w_1_s_proto(f) \
565 void __bs_c(f,_bs_w_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \
566 bus_size_t offset, uint8_t value);
568 #define bs_w_2_s_proto(f) \
569 void __bs_c(f,_bs_w_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \
570 bus_size_t offset, uint16_t value);
572 #define bs_w_4_s_proto(f) \
573 void __bs_c(f,_bs_w_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \
574 bus_size_t offset, uint32_t value);
576 #define bs_rm_1_proto(f) \
577 void __bs_c(f,_bs_rm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
578 bus_size_t offset, uint8_t *addr, bus_size_t count);
580 #define bs_rm_2_proto(f) \
581 void __bs_c(f,_bs_rm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
582 bus_size_t offset, uint16_t *addr, bus_size_t count);
584 #define bs_rm_4_proto(f) \
585 void __bs_c(f,_bs_rm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
586 bus_size_t offset, uint32_t *addr, bus_size_t count);
588 #define bs_rm_8_proto(f) \
589 void __bs_c(f,_bs_rm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
590 bus_size_t offset, uint64_t *addr, bus_size_t count);
592 #define bs_wm_1_proto(f) \
593 void __bs_c(f,_bs_wm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
594 bus_size_t offset, const uint8_t *addr, bus_size_t count);
596 #define bs_wm_2_proto(f) \
597 void __bs_c(f,_bs_wm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
598 bus_size_t offset, const uint16_t *addr, bus_size_t count);
600 #define bs_wm_4_proto(f) \
601 void __bs_c(f,_bs_wm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
602 bus_size_t offset, const uint32_t *addr, bus_size_t count);
604 #define bs_wm_8_proto(f) \
605 void __bs_c(f,_bs_wm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
606 bus_size_t offset, const uint64_t *addr, bus_size_t count);
608 #define bs_rr_1_proto(f) \
609 void __bs_c(f, _bs_rr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
610 bus_size_t offset, uint8_t *addr, bus_size_t count);
612 #define bs_rr_2_proto(f) \
613 void __bs_c(f, _bs_rr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
614 bus_size_t offset, uint16_t *addr, bus_size_t count);
616 #define bs_rr_4_proto(f) \
617 void __bs_c(f, _bs_rr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
618 bus_size_t offset, uint32_t *addr, bus_size_t count);
620 #define bs_rr_8_proto(f) \
621 void __bs_c(f, _bs_rr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
622 bus_size_t offset, uint64_t *addr, bus_size_t count);
624 #define bs_wr_1_proto(f) \
625 void __bs_c(f, _bs_wr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
626 bus_size_t offset, const uint8_t *addr, bus_size_t count);
628 #define bs_wr_2_proto(f) \
629 void __bs_c(f, _bs_wr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
630 bus_size_t offset, const uint16_t *addr, bus_size_t count);
632 #define bs_wr_4_proto(f) \
633 void __bs_c(f, _bs_wr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
634 bus_size_t offset, const uint32_t *addr, bus_size_t count);
636 #define bs_wr_8_proto(f) \
637 void __bs_c(f, _bs_wr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
638 bus_size_t offset, const uint64_t *addr, bus_size_t count);
640 #define bs_sm_1_proto(f) \
641 void __bs_c(f,_bs_sm_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
642 bus_size_t offset, uint8_t value, bus_size_t count);
644 #define bs_sm_2_proto(f) \
645 void __bs_c(f,_bs_sm_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
646 bus_size_t offset, uint16_t value, bus_size_t count);
648 #define bs_sm_4_proto(f) \
649 void __bs_c(f,_bs_sm_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
650 bus_size_t offset, uint32_t value, bus_size_t count);
652 #define bs_sm_8_proto(f) \
653 void __bs_c(f,_bs_sm_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
654 bus_size_t offset, uint64_t value, bus_size_t count);
656 #define bs_sr_1_proto(f) \
657 void __bs_c(f,_bs_sr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
658 bus_size_t offset, uint8_t value, bus_size_t count);
660 #define bs_sr_2_proto(f) \
661 void __bs_c(f,_bs_sr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
662 bus_size_t offset, uint16_t value, bus_size_t count);
664 #define bs_sr_4_proto(f) \
665 void __bs_c(f,_bs_sr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
666 bus_size_t offset, uint32_t value, bus_size_t count);
668 #define bs_sr_8_proto(f) \
669 void __bs_c(f,_bs_sr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
670 bus_size_t offset, uint64_t value, bus_size_t count);
672 #define bs_c_1_proto(f) \
673 void __bs_c(f,_bs_c_1) (bus_space_tag_t t, bus_space_handle_t bsh1, \
674 bus_size_t offset1, bus_space_handle_t bsh2, \
675 bus_size_t offset2, bus_size_t count);
677 #define bs_c_2_proto(f) \
678 void __bs_c(f,_bs_c_2) (bus_space_tag_t t, bus_space_handle_t bsh1, \
679 bus_size_t offset1, bus_space_handle_t bsh2, \
680 bus_size_t offset2, bus_size_t count);
682 #define bs_c_4_proto(f) \
683 void __bs_c(f,_bs_c_4) (bus_space_tag_t t, bus_space_handle_t bsh1, \
684 bus_size_t offset1, bus_space_handle_t bsh2, \
685 bus_size_t offset2, bus_size_t count);
687 #define bs_c_8_proto(f) \
688 void __bs_c(f,_bs_c_8) (bus_space_tag_t t, bus_space_handle_t bsh1, \
689 bus_size_t offset1, bus_space_handle_t bsh2, \
690 bus_size_t offset2, bus_size_t count);
692 #define bs_protos(f) \
695 bs_subregion_proto(f); \
699 bs_barrier_proto(f); \
743 void generic_bs_unimplemented(void);
744 #define BS_UNIMPLEMENTED (void *)generic_bs_unimplemented
746 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
748 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
749 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
750 #define BUS_SPACE_MAXADDR 0xFFFFFFFF
751 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
752 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
753 #define BUS_SPACE_MAXSIZE 0xFFFFFFFF
755 #define BUS_SPACE_UNRESTRICTED (~0)
757 #include <machine/bus_dma.h>
760 * Get the physical address of a bus space memory-mapped resource.
761 * Doing this as a macro is a temporary solution until a more robust fix is
762 * designed. It also serves to mark the locations needing that fix.
764 #define BUS_SPACE_PHYSADDR(res, offs) \
765 ((u_int)(rman_get_start(res)+(offs)))
767 #endif /* _MACHINE_BUS_H_ */