bus_funcs.h revision 1.10 1 /* $NetBSD: bus_funcs.h,v 1.10 2020/09/05 16:04:31 jakllsch Exp $ */
2
3 /*-
4 * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * Copyright (c) 1996 Charles M. Hannum. All rights reserved.
35 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. All advertising materials mentioning features or use of this software
46 * must display the following acknowledgement:
47 * This product includes software developed by Christopher G. Demetriou
48 * for the NetBSD Project.
49 * 4. The name of the author may not be used to endorse or promote products
50 * derived from this software without specific prior written permission
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
53 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
54 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
55 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
56 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
57 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
61 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 */
63
64 #ifndef _ARM_BUS_FUNCS_H_
65 #define _ARM_BUS_FUNCS_H_
66
67 #ifdef _KERNEL_OPT
68 #include "opt_cputypes.h"
69 #endif
70
71 /*
72 * Utility macros; INTERNAL USE ONLY.
73 */
74 #define __bs_c(a,b) __CONCAT(a,b)
75 #define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size)
76
77 #define __bs_rs(sz, t, h, o) \
78 (*(t)->__bs_opname(r,sz))((t)->bs_cookie, h, o)
79 #define __bs_ws(sz, t, h, o, v) \
80 (*(t)->__bs_opname(w,sz))((t)->bs_cookie, h, o, v)
81 #define __bs_nonsingle(type, sz, t, h, o, a, c) \
82 (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c)
83 #define __bs_set(type, sz, t, h, o, v, c) \
84 (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v, c)
85 #define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \
86 (*(t)->__bs_opname(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt)
87
88 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
89 #define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s)
90 #define __bs_rs_s(sz, t, h, o) \
91 (*(t)->__bs_opname_s(r,sz))((t)->bs_cookie, h, o)
92 #define __bs_ws_s(sz, t, h, o, v) \
93 (*(t)->__bs_opname_s(w,sz))((t)->bs_cookie, h, o, v)
94 #define __bs_nonsingle_s(type, sz, t, h, o, a, c) \
95 (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, a, c)
96 #define __bs_set_s(type, sz, t, h, o, v, c) \
97 (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, v, c)
98 #define __bs_copy_s(sz, t, h1, o1, h2, o2, cnt) \
99 (*(t)->__bs_opname_s(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt)
100 #endif
101
102 #ifdef __BUS_SPACE_HAS_PROBING_METHODS
103 #define __bs_pe(sz, t, h, o, v) \
104 (*(t)->__bs_opname(pe,sz))((t)->bs_cookie, h, o, v)
105 #define __bs_po(sz, t, h, o, v) \
106 (*(t)->__bs_opname(po,sz))((t)->bs_cookie, h, o, v)
107 #endif
108
109 /*
110 * Mapping and unmapping operations.
111 */
112 #define bus_space_map(t, a, s, c, hp) \
113 (*(t)->bs_map)((t)->bs_cookie, (a), (s), (c), (hp))
114 #define bus_space_unmap(t, h, s) \
115 (*(t)->bs_unmap)((t)->bs_cookie, (h), (s))
116 #define bus_space_subregion(t, h, o, s, hp) \
117 (*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))
118
119
120 /*
121 * Allocation and deallocation operations.
122 */
123 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \
124 (*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b), \
125 (c), (ap), (hp))
126 #define bus_space_free(t, h, s) \
127 (*(t)->bs_free)((t)->bs_cookie, (h), (s))
128
129 /*
130 * Get kernel virtual address for ranges mapped BUS_SPACE_MAP_LINEAR.
131 */
132 #define bus_space_vaddr(t, h) \
133 (*(t)->bs_vaddr)((t)->bs_cookie, (h))
134
135 /*
136 * MMap bus space for a user application.
137 */
138 #define bus_space_mmap(t, a, o, p, f) \
139 (*(t)->bs_mmap)((t)->bs_cookie, (a), (o), (p), (f))
140
141 /*
142 * Bus barrier operations.
143 */
144 #define bus_space_barrier(t, h, o, l, f) \
145 (*(t)->bs_barrier)((t)->bs_cookie, (h), (o), (l), (f))
146
147 /*
148 * Bus read (single) operations.
149 */
150 #define bus_space_read_1(t, h, o) __bs_rs(1,(t),(h),(o))
151 #define bus_space_read_2(t, h, o) __bs_rs(2,(t),(h),(o))
152 #define bus_space_read_4(t, h, o) __bs_rs(4,(t),(h),(o))
153 #define bus_space_read_8(t, h, o) __bs_rs(8,(t),(h),(o))
154 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
155 #define bus_space_read_stream_1(t, h, o) __bs_rs_s(1,(t),(h),(o))
156 #define bus_space_read_stream_2(t, h, o) __bs_rs_s(2,(t),(h),(o))
157 #define bus_space_read_stream_4(t, h, o) __bs_rs_s(4,(t),(h),(o))
158 #define bus_space_read_stream_8(t, h, o) __bs_rs_s(8,(t),(h),(o))
159 #endif
160
161
162 /*
163 * Bus read multiple operations.
164 */
165 #define bus_space_read_multi_1(t, h, o, a, c) \
166 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
167 #define bus_space_read_multi_2(t, h, o, a, c) \
168 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
169 #define bus_space_read_multi_4(t, h, o, a, c) \
170 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
171 #define bus_space_read_multi_8(t, h, o, a, c) \
172 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
173 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
174 #define bus_space_read_multi_stream_1(t, h, o, a, c) \
175 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c))
176 #define bus_space_read_multi_stream_2(t, h, o, a, c) \
177 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c))
178 #define bus_space_read_multi_stream_4(t, h, o, a, c) \
179 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c))
180 #define bus_space_read_multi_stream_8(t, h, o, a, c) \
181 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c))
182 #endif
183
184
185 /*
186 * Bus read region operations.
187 */
188 #define bus_space_read_region_1(t, h, o, a, c) \
189 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
190 #define bus_space_read_region_2(t, h, o, a, c) \
191 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
192 #define bus_space_read_region_4(t, h, o, a, c) \
193 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
194 #define bus_space_read_region_8(t, h, o, a, c) \
195 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
196 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
197 #define bus_space_read_region_stream_1(t, h, o, a, c) \
198 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c))
199 #define bus_space_read_region_stream_2(t, h, o, a, c) \
200 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c))
201 #define bus_space_read_region_stream_4(t, h, o, a, c) \
202 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c))
203 #define bus_space_read_region_stream_8(t, h, o, a, c) \
204 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c))
205 #endif
206
207
208 /*
209 * Bus write (single) operations.
210 */
211 #define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v))
212 #define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v))
213 #define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v))
214 #define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v))
215 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
216 #define bus_space_write_stream_1(t, h, o, v) __bs_ws_s(1,(t),(h),(o),(v))
217 #define bus_space_write_stream_2(t, h, o, v) __bs_ws_s(2,(t),(h),(o),(v))
218 #define bus_space_write_stream_4(t, h, o, v) __bs_ws_s(4,(t),(h),(o),(v))
219 #define bus_space_write_stream_8(t, h, o, v) __bs_ws_s(8,(t),(h),(o),(v))
220 #endif
221
222
223 /*
224 * Bus write multiple operations.
225 */
226 #define bus_space_write_multi_1(t, h, o, a, c) \
227 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
228 #define bus_space_write_multi_2(t, h, o, a, c) \
229 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
230 #define bus_space_write_multi_4(t, h, o, a, c) \
231 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
232 #define bus_space_write_multi_8(t, h, o, a, c) \
233 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
234 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
235 #define bus_space_write_multi_stream_1(t, h, o, a, c) \
236 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c))
237 #define bus_space_write_multi_stream_2(t, h, o, a, c) \
238 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c))
239 #define bus_space_write_multi_stream_4(t, h, o, a, c) \
240 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c))
241 #define bus_space_write_multi_stream_8(t, h, o, a, c) \
242 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c))
243 #endif
244
245
246 /*
247 * Bus write region operations.
248 */
249 #define bus_space_write_region_1(t, h, o, a, c) \
250 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
251 #define bus_space_write_region_2(t, h, o, a, c) \
252 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
253 #define bus_space_write_region_4(t, h, o, a, c) \
254 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
255 #define bus_space_write_region_8(t, h, o, a, c) \
256 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
257 #ifdef __BUS_SPACE_HAS_STREAM_METHODS
258 #define bus_space_write_region_stream_1(t, h, o, a, c) \
259 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c))
260 #define bus_space_write_region_stream_2(t, h, o, a, c) \
261 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c))
262 #define bus_space_write_region_stream_4(t, h, o, a, c) \
263 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c))
264 #define bus_space_write_region_stream_8(t, h, o, a, c) \
265 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c))
266 #endif
267
268
269 /*
270 * Set multiple operations.
271 */
272 #define bus_space_set_multi_1(t, h, o, v, c) \
273 __bs_set(sm,1,(t),(h),(o),(v),(c))
274 #define bus_space_set_multi_2(t, h, o, v, c) \
275 __bs_set(sm,2,(t),(h),(o),(v),(c))
276 #define bus_space_set_multi_4(t, h, o, v, c) \
277 __bs_set(sm,4,(t),(h),(o),(v),(c))
278 #define bus_space_set_multi_8(t, h, o, v, c) \
279 __bs_set(sm,8,(t),(h),(o),(v),(c))
280
281 /*
282 * Set region operations.
283 */
284 #define bus_space_set_region_1(t, h, o, v, c) \
285 __bs_set(sr,1,(t),(h),(o),(v),(c))
286 #define bus_space_set_region_2(t, h, o, v, c) \
287 __bs_set(sr,2,(t),(h),(o),(v),(c))
288 #define bus_space_set_region_4(t, h, o, v, c) \
289 __bs_set(sr,4,(t),(h),(o),(v),(c))
290 #define bus_space_set_region_8(t, h, o, v, c) \
291 __bs_set(sr,8,(t),(h),(o),(v),(c))
292
293 /*
294 * Copy operations.
295 */
296 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \
297 __bs_copy(1, t, h1, o1, h2, o2, c)
298 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \
299 __bs_copy(2, t, h1, o1, h2, o2, c)
300 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \
301 __bs_copy(4, t, h1, o1, h2, o2, c)
302 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \
303 __bs_copy(8, t, h1, o1, h2, o2, c)
304
305 /*
306 * Probing operations.
307 */
308 #ifdef __BUS_SPACE_HAS_PROBING_METHODS
309 #define bus_space_peek_1(t, h, o, p) __bs_pe(1,(t),(h),(o),(p))
310 #define bus_space_peek_2(t, h, o, p) __bs_pe(2,(t),(h),(o),(p))
311 #define bus_space_peek_4(t, h, o, p) __bs_pe(4,(t),(h),(o),(p))
312 #define bus_space_peek_8(t, h, o, p) __bs_pe(8,(t),(h),(o),(p))
313
314 #define bus_space_poke_1(t, h, o, v) __bs_po(1,(t),(h),(o),(v))
315 #define bus_space_poke_2(t, h, o, v) __bs_po(2,(t),(h),(o),(v))
316 #define bus_space_poke_4(t, h, o, v) __bs_po(4,(t),(h),(o),(v))
317 #define bus_space_poke_8(t, h, o, v) __bs_po(8,(t),(h),(o),(v))
318 #endif
319
320 /*
321 * Macros to provide prototypes for all the functions used in the
322 * bus_space structure
323 */
324
325 #define bs_map_proto(f) \
326 int __bs_c(f,_bs_map)(void *t, bus_addr_t addr, \
327 bus_size_t size, int cacheable, bus_space_handle_t *bshp);
328
329 #define bs_unmap_proto(f) \
330 void __bs_c(f,_bs_unmap)(void *t, bus_space_handle_t bsh, \
331 bus_size_t size);
332
333 #define bs_subregion_proto(f) \
334 int __bs_c(f,_bs_subregion)(void *t, bus_space_handle_t bsh, \
335 bus_size_t offset, bus_size_t size, \
336 bus_space_handle_t *nbshp);
337
338 #define bs_alloc_proto(f) \
339 int __bs_c(f,_bs_alloc)(void *t, bus_addr_t rstart, \
340 bus_addr_t rend, bus_size_t size, bus_size_t align, \
341 bus_size_t boundary, int cacheable, bus_addr_t *addrp, \
342 bus_space_handle_t *bshp);
343
344 #define bs_free_proto(f) \
345 void __bs_c(f,_bs_free)(void *t, bus_space_handle_t bsh, \
346 bus_size_t size);
347
348 #define bs_vaddr_proto(f) \
349 void * __bs_c(f,_bs_vaddr)(void *t, bus_space_handle_t bsh);
350
351 #define bs_mmap_proto(f) \
352 paddr_t __bs_c(f,_bs_mmap)(void *, bus_addr_t, off_t, int, int);
353
354 #define bs_barrier_proto(f) \
355 void __bs_c(f,_bs_barrier)(void *t, bus_space_handle_t bsh, \
356 bus_size_t offset, bus_size_t len, int flags);
357
358 #define bs_r_1_proto(f) \
359 uint8_t __bs_c(f,_bs_r_1)(void *t, bus_space_handle_t bsh, \
360 bus_size_t offset);
361
362 #define bs_r_2_proto(f) \
363 uint16_t __bs_c(f,_bs_r_2)(void *t, bus_space_handle_t bsh, \
364 bus_size_t offset); \
365 uint16_t __bs_c(f,_bs_r_2_swap)(void *t, bus_space_handle_t bsh, \
366 bus_size_t offset);
367
368 #define bs_r_4_proto(f) \
369 uint32_t __bs_c(f,_bs_r_4)(void *t, bus_space_handle_t bsh, \
370 bus_size_t offset); \
371 uint32_t __bs_c(f,_bs_r_4_swap)(void *t, bus_space_handle_t bsh, \
372 bus_size_t offset);
373
374 #define bs_r_8_proto(f) \
375 uint64_t __bs_c(f,_bs_r_8)(void *t, bus_space_handle_t bsh, \
376 bus_size_t offset); \
377 uint64_t __bs_c(f,_bs_r_8_swap)(void *t, bus_space_handle_t bsh, \
378 bus_size_t offset);
379
380 #define bs_w_1_proto(f) \
381 void __bs_c(f,_bs_w_1)(void *t, bus_space_handle_t bsh, \
382 bus_size_t offset, uint8_t value);
383
384 #define bs_w_2_proto(f) \
385 void __bs_c(f,_bs_w_2)(void *t, bus_space_handle_t bsh, \
386 bus_size_t offset, uint16_t value); \
387 void __bs_c(f,_bs_w_2_swap)(void *t, bus_space_handle_t bsh, \
388 bus_size_t offset, uint16_t value);
389
390 #define bs_w_4_proto(f) \
391 void __bs_c(f,_bs_w_4)(void *t, bus_space_handle_t bsh, \
392 bus_size_t offset, uint32_t value); \
393 void __bs_c(f,_bs_w_4_swap)(void *t, bus_space_handle_t bsh, \
394 bus_size_t offset, uint32_t value);
395
396 #define bs_w_8_proto(f) \
397 void __bs_c(f,_bs_w_8)(void *t, bus_space_handle_t bsh, \
398 bus_size_t offset, uint64_t value); \
399 void __bs_c(f,_bs_w_8_swap)(void *t, bus_space_handle_t bsh, \
400 bus_size_t offset, uint64_t value);
401
402 #define bs_rm_1_proto(f) \
403 void __bs_c(f,_bs_rm_1)(void *t, bus_space_handle_t bsh, \
404 bus_size_t offset, uint8_t *addr, bus_size_t count);
405
406 #define bs_rm_2_proto(f) \
407 void __bs_c(f,_bs_rm_2)(void *t, bus_space_handle_t bsh, \
408 bus_size_t offset, uint16_t *addr, bus_size_t count); \
409 void __bs_c(f,_bs_rm_2_swap)(void *t, bus_space_handle_t bsh, \
410 bus_size_t offset, uint16_t *addr, bus_size_t count);
411
412 #define bs_rm_4_proto(f) \
413 void __bs_c(f,_bs_rm_4)(void *t, bus_space_handle_t bsh, \
414 bus_size_t offset, uint32_t *addr, bus_size_t count); \
415 void __bs_c(f,_bs_rm_4_swap)(void *t, bus_space_handle_t bsh, \
416 bus_size_t offset, uint32_t *addr, bus_size_t count);
417
418 #define bs_rm_8_proto(f) \
419 void __bs_c(f,_bs_rm_8)(void *t, bus_space_handle_t bsh, \
420 bus_size_t offset, uint64_t *addr, bus_size_t count); \
421 void __bs_c(f,_bs_rm_8_swap)(void *t, bus_space_handle_t bsh, \
422 bus_size_t offset, uint64_t *addr, bus_size_t count);
423
424 #define bs_wm_1_proto(f) \
425 void __bs_c(f,_bs_wm_1)(void *t, bus_space_handle_t bsh, \
426 bus_size_t offset, const uint8_t *addr, bus_size_t count); \
427
428 #define bs_wm_2_proto(f) \
429 void __bs_c(f,_bs_wm_2)(void *t, bus_space_handle_t bsh, \
430 bus_size_t offset, const uint16_t *addr, bus_size_t count); \
431 void __bs_c(f,_bs_wm_2_swap)(void *t, bus_space_handle_t bsh, \
432 bus_size_t offset, const uint16_t *addr, bus_size_t count);
433
434 #define bs_wm_4_proto(f) \
435 void __bs_c(f,_bs_wm_4)(void *t, bus_space_handle_t bsh, \
436 bus_size_t offset, const uint32_t *addr, bus_size_t count); \
437 void __bs_c(f,_bs_wm_4_swap)(void *t, bus_space_handle_t bsh, \
438 bus_size_t offset, const uint32_t *addr, bus_size_t count);
439
440 #define bs_wm_8_proto(f) \
441 void __bs_c(f,_bs_wm_8)(void *t, bus_space_handle_t bsh, \
442 bus_size_t offset, const uint64_t *addr, bus_size_t count); \
443 void __bs_c(f,_bs_wm_8_swap)(void *t, bus_space_handle_t bsh, \
444 bus_size_t offset, const uint64_t *addr, bus_size_t count);
445
446 #define bs_rr_1_proto(f) \
447 void __bs_c(f, _bs_rr_1)(void *t, bus_space_handle_t bsh, \
448 bus_size_t offset, uint8_t *addr, bus_size_t count);
449
450 #define bs_rr_2_proto(f) \
451 void __bs_c(f, _bs_rr_2)(void *t, bus_space_handle_t bsh, \
452 bus_size_t offset, uint16_t *addr, bus_size_t count); \
453 void __bs_c(f, _bs_rr_2_swap)(void *t, bus_space_handle_t bsh, \
454 bus_size_t offset, uint16_t *addr, bus_size_t count);
455
456 #define bs_rr_4_proto(f) \
457 void __bs_c(f, _bs_rr_4)(void *t, bus_space_handle_t bsh, \
458 bus_size_t offset, uint32_t *addr, bus_size_t count); \
459 void __bs_c(f, _bs_rr_4_swap)(void *t, bus_space_handle_t bsh, \
460 bus_size_t offset, uint32_t *addr, bus_size_t count);
461
462 #define bs_rr_8_proto(f) \
463 void __bs_c(f, _bs_rr_8)(void *t, bus_space_handle_t bsh, \
464 bus_size_t offset, uint64_t *addr, bus_size_t count); \
465 void __bs_c(f, _bs_rr_8_swap)(void *t, bus_space_handle_t bsh, \
466 bus_size_t offset, uint64_t *addr, bus_size_t count);
467
468 #define bs_wr_1_proto(f) \
469 void __bs_c(f, _bs_wr_1)(void *t, bus_space_handle_t bsh, \
470 bus_size_t offset, const uint8_t *addr, bus_size_t count);
471
472 #define bs_wr_2_proto(f) \
473 void __bs_c(f, _bs_wr_2)(void *t, bus_space_handle_t bsh, \
474 bus_size_t offset, const uint16_t *addr, bus_size_t count); \
475 void __bs_c(f, _bs_wr_2_swap)(void *t, bus_space_handle_t bsh, \
476 bus_size_t offset, const uint16_t *addr, bus_size_t count);
477
478 #define bs_wr_4_proto(f) \
479 void __bs_c(f, _bs_wr_4)(void *t, bus_space_handle_t bsh, \
480 bus_size_t offset, const uint32_t *addr, bus_size_t count); \
481 void __bs_c(f, _bs_wr_4_swap)(void *t, bus_space_handle_t bsh, \
482 bus_size_t offset, const uint32_t *addr, bus_size_t count);
483
484 #define bs_wr_8_proto(f) \
485 void __bs_c(f, _bs_wr_8)(void *t, bus_space_handle_t bsh, \
486 bus_size_t offset, const uint64_t *addr, bus_size_t count); \
487 void __bs_c(f, _bs_wr_8_swap)(void *t, bus_space_handle_t bsh, \
488 bus_size_t offset, const uint64_t *addr, bus_size_t count);
489
490 #define bs_sm_1_proto(f) \
491 void __bs_c(f,_bs_sm_1)(void *t, bus_space_handle_t bsh, \
492 bus_size_t offset, uint8_t value, bus_size_t count);
493
494 #define bs_sm_2_proto(f) \
495 void __bs_c(f,_bs_sm_2)(void *t, bus_space_handle_t bsh, \
496 bus_size_t offset, uint16_t value, bus_size_t count); \
497 void __bs_c(f,_bs_sm_2_swap)(void *t, bus_space_handle_t bsh, \
498 bus_size_t offset, uint16_t value, bus_size_t count);
499
500 #define bs_sm_4_proto(f) \
501 void __bs_c(f,_bs_sm_4)(void *t, bus_space_handle_t bsh, \
502 bus_size_t offset, uint32_t value, bus_size_t count); \
503 void __bs_c(f,_bs_sm_4_swap)(void *t, bus_space_handle_t bsh, \
504 bus_size_t offset, uint32_t value, bus_size_t count);
505
506 #define bs_sm_8_proto(f) \
507 void __bs_c(f,_bs_sm_8)(void *t, bus_space_handle_t bsh, \
508 bus_size_t offset, uint64_t value, bus_size_t count); \
509 void __bs_c(f,_bs_sm_8_swap)(void *t, bus_space_handle_t bsh, \
510 bus_size_t offset, uint64_t value, bus_size_t count);
511
512 #define bs_sr_1_proto(f) \
513 void __bs_c(f,_bs_sr_1)(void *t, bus_space_handle_t bsh, \
514 bus_size_t offset, uint8_t value, bus_size_t count);
515
516 #define bs_sr_2_proto(f) \
517 void __bs_c(f,_bs_sr_2)(void *t, bus_space_handle_t bsh, \
518 bus_size_t offset, uint16_t value, bus_size_t count); \
519 void __bs_c(f,_bs_sr_2_swap)(void *t, bus_space_handle_t bsh, \
520 bus_size_t offset, uint16_t value, bus_size_t count);
521
522 #define bs_sr_4_proto(f) \
523 void __bs_c(f,_bs_sr_4)(void *t, bus_space_handle_t bsh, \
524 bus_size_t offset, uint32_t value, bus_size_t count); \
525 void __bs_c(f,_bs_sr_4_swap)(void *t, bus_space_handle_t bsh, \
526 bus_size_t offset, uint32_t value, bus_size_t count);
527
528 #define bs_sr_8_proto(f) \
529 void __bs_c(f,_bs_sr_8)(void *t, bus_space_handle_t bsh, \
530 bus_size_t offset, uint64_t value, bus_size_t count); \
531 void __bs_c(f,_bs_sr_8_swap)(void *t, bus_space_handle_t bsh, \
532 bus_size_t offset, uint64_t value, bus_size_t count);
533
534 #define bs_c_1_proto(f) \
535 void __bs_c(f,_bs_c_1)(void *t, bus_space_handle_t bsh1, \
536 bus_size_t offset1, bus_space_handle_t bsh2, \
537 bus_size_t offset2, bus_size_t count);
538
539 #define bs_c_2_proto(f) \
540 void __bs_c(f,_bs_c_2)(void *t, bus_space_handle_t bsh1, \
541 bus_size_t offset1, bus_space_handle_t bsh2, \
542 bus_size_t offset2, bus_size_t count);
543
544 #define bs_c_4_proto(f) \
545 void __bs_c(f,_bs_c_4)(void *t, bus_space_handle_t bsh1, \
546 bus_size_t offset1, bus_space_handle_t bsh2, \
547 bus_size_t offset2, bus_size_t count);
548
549 #define bs_c_8_proto(f) \
550 void __bs_c(f,_bs_c_8)(void *t, bus_space_handle_t bsh1, \
551 bus_size_t offset1, bus_space_handle_t bsh2, \
552 bus_size_t offset2, bus_size_t count);
553
554 #define bs_pe_1_proto(f) \
555 int __bs_c(f,_bs_pe_1)(void *t, bus_space_handle_t bsh, \
556 bus_size_t offset, uint8_t *datap);
557
558 #define bs_pe_2_proto(f) \
559 int __bs_c(f,_bs_pe_2)(void *t, bus_space_handle_t bsh, \
560 bus_size_t offset, uint16_t *datap); \
561
562 #define bs_pe_4_proto(f) \
563 int __bs_c(f,_bs_pe_4)(void *t, bus_space_handle_t bsh, \
564 bus_size_t offset, uint32_t *datap); \
565
566 #define bs_pe_8_proto(f) \
567 int __bs_c(f,_bs_pe_8)(void *t, bus_space_handle_t bsh, \
568 bus_size_t offset, uint64_t *datap); \
569
570 #define bs_po_1_proto(f) \
571 int __bs_c(f,_bs_po_1)(void *t, bus_space_handle_t bsh, \
572 bus_size_t offset, uint8_t value);
573
574 #define bs_po_2_proto(f) \
575 int __bs_c(f,_bs_po_2)(void *t, bus_space_handle_t bsh, \
576 bus_size_t offset, uint16_t value); \
577
578 #define bs_po_4_proto(f) \
579 int __bs_c(f,_bs_po_4)(void *t, bus_space_handle_t bsh, \
580 bus_size_t offset, uint32_t value); \
581
582 #define bs_po_8_proto(f) \
583 int __bs_c(f,_bs_po_8)(void *t, bus_space_handle_t bsh, \
584 bus_size_t offset, uint64_t value); \
585
586
587 #define bs_protos(f) \
588 bs_map_proto(f); \
589 bs_unmap_proto(f); \
590 bs_subregion_proto(f); \
591 bs_alloc_proto(f); \
592 bs_free_proto(f); \
593 bs_vaddr_proto(f); \
594 bs_mmap_proto(f); \
595 bs_barrier_proto(f); \
596 bs_r_1_proto(f); \
597 bs_r_2_proto(f); \
598 bs_r_4_proto(f); \
599 bs_r_8_proto(f); \
600 bs_w_1_proto(f); \
601 bs_w_2_proto(f); \
602 bs_w_4_proto(f); \
603 bs_w_8_proto(f); \
604 bs_rm_1_proto(f); \
605 bs_rm_2_proto(f); \
606 bs_rm_4_proto(f); \
607 bs_rm_8_proto(f); \
608 bs_wm_1_proto(f); \
609 bs_wm_2_proto(f); \
610 bs_wm_4_proto(f); \
611 bs_wm_8_proto(f); \
612 bs_rr_1_proto(f); \
613 bs_rr_2_proto(f); \
614 bs_rr_4_proto(f); \
615 bs_rr_8_proto(f); \
616 bs_wr_1_proto(f); \
617 bs_wr_2_proto(f); \
618 bs_wr_4_proto(f); \
619 bs_wr_8_proto(f); \
620 bs_sm_1_proto(f); \
621 bs_sm_2_proto(f); \
622 bs_sm_4_proto(f); \
623 bs_sm_8_proto(f); \
624 bs_sr_1_proto(f); \
625 bs_sr_2_proto(f); \
626 bs_sr_4_proto(f); \
627 bs_sr_8_proto(f); \
628 bs_c_1_proto(f); \
629 bs_c_2_proto(f); \
630 bs_c_4_proto(f); \
631 bs_c_8_proto(f); \
632 bs_pe_1_proto(f); \
633 bs_pe_2_proto(f); \
634 bs_pe_4_proto(f); \
635 bs_pe_8_proto(f); \
636 bs_po_1_proto(f); \
637 bs_po_2_proto(f); \
638 bs_po_4_proto(f); \
639 bs_po_8_proto(f);
640
641 /* Bus Space DMA macros */
642
643 /* Forwards needed by prototypes below. */
644 struct mbuf;
645 struct uio;
646
647 int bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t, bus_size_t,
648 int, bus_dmamap_t *);
649 void bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
650 int bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *, bus_size_t,
651 struct proc *, int);
652 int bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t, struct mbuf *, int);
653 int bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t, struct uio *, int);
654 int bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t, bus_dma_segment_t *,
655 int, bus_size_t, int);
656 void bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
657 void bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t, bus_size_t, int);
658
659 #define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \
660 (*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f))
661 #define bus_dmamem_free(t, sg, n) \
662 (*(t)->_dmamem_free)((t), (sg), (n))
663 #define bus_dmamem_map(t, sg, n, s, k, f) \
664 (*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f))
665 #define bus_dmamem_unmap(t, k, s) \
666 (*(t)->_dmamem_unmap)((t), (k), (s))
667 #define bus_dmamem_mmap(t, sg, n, o, p, f) \
668 (*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f))
669
670 #define bus_dmatag_subregion(t, mna, mxa, nt, f) \
671 (*(t)->_dmatag_subregion)((t), (mna), (mxa), (nt), (f))
672 #define bus_dmatag_destroy(t) \
673 (*(t)->_dmatag_destroy)(t)
674
675 #ifdef _ARM32_BUS_DMA_PRIVATE
676
677 extern paddr_t physical_start, physical_end;
678
679 int arm32_dma_range_intersect(struct arm32_dma_range *, int,
680 paddr_t pa, psize_t size, paddr_t *pap, psize_t *sizep);
681
682 int _bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t,
683 bus_size_t, int, bus_dmamap_t *);
684 void _bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
685 int _bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
686 bus_size_t, struct proc *, int);
687 int _bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
688 struct mbuf *, int);
689 int _bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
690 struct uio *, int);
691 int _bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
692 bus_dma_segment_t *, int, bus_size_t, int);
693 void _bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
694 void _bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
695 bus_size_t, int);
696
697 #if defined(_ARM32_NEED_BUS_DMA_BOUNCE) || defined(CPU_CORTEX)
698 #define _BUS_DMAMAP_SYNC_FUNCS \
699 ._dmamap_sync_pre = _bus_dmamap_sync, \
700 ._dmamap_sync_post = _bus_dmamap_sync
701 #else
702 #define _BUS_DMAMAP_SYNC_FUNCS \
703 ._dmamap_sync_pre = _bus_dmamap_sync
704 #endif
705
706 #define _BUS_DMAMAP_FUNCS \
707 ._dmamap_create = _bus_dmamap_create, \
708 ._dmamap_destroy = _bus_dmamap_destroy, \
709 ._dmamap_load = _bus_dmamap_load, \
710 ._dmamap_load_mbuf = _bus_dmamap_load_mbuf, \
711 ._dmamap_load_raw = _bus_dmamap_load_raw, \
712 ._dmamap_load_uio = _bus_dmamap_load_uio, \
713 ._dmamap_unload = _bus_dmamap_unload, \
714 _BUS_DMAMAP_SYNC_FUNCS
715
716 int _bus_dmamem_alloc(bus_dma_tag_t tag, bus_size_t size,
717 bus_size_t alignment, bus_size_t boundary,
718 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags);
719 void _bus_dmamem_free(bus_dma_tag_t tag, bus_dma_segment_t *segs,
720 int nsegs);
721 int _bus_dmamem_map(bus_dma_tag_t tag, bus_dma_segment_t *segs,
722 int nsegs, size_t size, void **kvap, int flags);
723 void _bus_dmamem_unmap(bus_dma_tag_t tag, void *kva,
724 size_t size);
725 paddr_t _bus_dmamem_mmap(bus_dma_tag_t tag, bus_dma_segment_t *segs,
726 int nsegs, off_t off, int prot, int flags);
727
728 #define _BUS_DMAMEM_FUNCS \
729 ._dmamem_alloc = _bus_dmamem_alloc, \
730 ._dmamem_free = _bus_dmamem_free, \
731 ._dmamem_map = _bus_dmamem_map, \
732 ._dmamem_unmap = _bus_dmamem_unmap, \
733 ._dmamem_mmap = _bus_dmamem_mmap
734
735 int _bus_dmamem_alloc_range(bus_dma_tag_t tag, bus_size_t size,
736 bus_size_t alignment, bus_size_t boundary,
737 bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags,
738 vaddr_t low, vaddr_t high);
739
740 int _bus_dmatag_subregion(bus_dma_tag_t, bus_addr_t, bus_addr_t,
741 bus_dma_tag_t *, int);
742 void _bus_dmatag_destroy(bus_dma_tag_t);
743
744 #define _BUS_DMATAG_FUNCS \
745 ._dmatag_subregion = _bus_dmatag_subregion, \
746 ._dmatag_destroy = _bus_dmatag_destroy
747
748 #endif /* _ARM32_BUS_DMA_PRIVATE */
749
750 #endif /* _ARM_BUS_FUNCS_H_ */
751