xref: /freebsd/sys/arm/include/bus.h (revision 98e0ffaefb0f241cda3a72395d3be04192ae0d47)
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  * $FreeBSD$
64  */
65 
66 #ifndef _MACHINE_BUS_H_
67 #define _MACHINE_BUS_H_
68 
69 #include <machine/_bus.h>
70 
71 /*
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);
74  *
75  * Map a region of bus space.
76  */
77 
78 #define	BUS_SPACE_MAP_CACHEABLE		0x01
79 #define	BUS_SPACE_MAP_LINEAR		0x02
80 #define	BUS_SPACE_MAP_PREFETCHABLE     	0x04
81 
82 /*
83  * Bus space for ARM.
84  *
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.
88  */
89 struct bus_space {
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,
94 			   bus_size_t, uint8_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);
99 
100 	/* Backlink to parent (if copied), and implementation private data. */
101 	struct bus_space *bs_parent;
102 	void		 *bs_privdata;
103 
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 *);
110 
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,
116 			    bus_size_t);
117 
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);
121 
122 	/* read multiple */
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);
131 
132 	/* read region */
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);
141 
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);
147 
148 	/* write multiple */
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);
157 
158 	/* write region */
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);
167 
168 	/* set multiple */
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);
177 
178 	/* set region */
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);
187 
188 	/* copy */
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);
197 
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);
203 
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);
213 
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);
223 
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);
233 
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);
243 
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);
253 };
254 
255 extern bus_space_tag_t arm_base_bs_tag;
256 
257 /*
258  * Utility macros; INTERNAL USE ONLY.
259  */
260 #define	__bs_c(a,b)		__CONCAT(a,b)
261 #define	__bs_opname(op,size)	__bs_c(__bs_c(__bs_c(bs_,op),_),size)
262 
263 #define	__bs_nonsingle(type, sz, t, h, o, a, c)				\
264 	(*(t)->__bs_opname(type,sz))((t), h, o, a, c)
265 #define	__bs_set(type, sz, t, h, o, v, c)				\
266 	(*(t)->__bs_opname(type,sz))((t), h, o, v, c)
267 #define	__bs_copy(sz, t, h1, o1, h2, o2, cnt)				\
268 	(*(t)->__bs_opname(c,sz))((t), h1, o1, h2, o2, cnt)
269 
270 #define	__bs_opname_s(op,size)	__bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s)
271 #define	__bs_rs_s(sz, t, h, o)						\
272 	(*(t)->__bs_opname_s(r,sz))((t), h, o)
273 #define	__bs_ws_s(sz, t, h, o, v)					\
274 	(*(t)->__bs_opname_s(w,sz))((t), h, o, v)
275 #define	__bs_nonsingle_s(type, sz, t, h, o, a, c)			\
276 	(*(t)->__bs_opname_s(type,sz))((t), h, o, a, c)
277 
278 
279 #define __generate_inline_bs_rs(IFN, MBR, TYP)					\
280 	static inline TYP						\
281 	IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)	\
282 	{								\
283 									\
284 		if (__predict_true(t->MBR == NULL))			\
285 			return (*(volatile TYP *)(h + o));		\
286 		else							\
287 			return (t->MBR(t, h, o));		\
288 	}
289 
290 #define __generate_inline_bs_ws(IFN, MBR, TYP)					\
291 	static inline void						\
292 	IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, TYP v)\
293 	{								\
294 									\
295 		if (__predict_true(t->MBR == NULL))			\
296 			*(volatile TYP *)(h + o) = v;			\
297 		else							\
298 			t->MBR(t, h, o, v);			\
299 	}
300 
301 /*
302  * Mapping and unmapping operations.
303  */
304 #define	bus_space_map(t, a, s, c, hp)					\
305 	(*(t)->bs_map)((t), (a), (s), (c), (hp))
306 #define	bus_space_unmap(t, h, s)					\
307 	(*(t)->bs_unmap)((t), (h), (s))
308 #define	bus_space_subregion(t, h, o, s, hp)				\
309 	(*(t)->bs_subregion)((t), (h), (o), (s), (hp))
310 
311 
312 /*
313  * Allocation and deallocation operations.
314  */
315 #define	bus_space_alloc(t, rs, re, s, a, b, c, ap, hp)			\
316 	(*(t)->bs_alloc)((t), (rs), (re), (s), (a), (b),	\
317 	    (c), (ap), (hp))
318 #define	bus_space_free(t, h, s)						\
319 	(*(t)->bs_free)((t), (h), (s))
320 
321 /*
322  * Bus barrier operations.
323  */
324 #define	bus_space_barrier(t, h, o, l, f)				\
325 	(*(t)->bs_barrier)((t), (h), (o), (l), (f))
326 
327 #define	BUS_SPACE_BARRIER_READ	0x01
328 #define	BUS_SPACE_BARRIER_WRITE	0x02
329 
330 /*
331  * Bus read (single) operations.
332  */
333 __generate_inline_bs_rs(bus_space_read_1, bs_r_1, uint8_t);
334 __generate_inline_bs_rs(bus_space_read_2, bs_r_2, uint16_t);
335 __generate_inline_bs_rs(bus_space_read_4, bs_r_4, uint32_t);
336 __generate_inline_bs_rs(bus_space_read_8, bs_r_8, uint64_t);
337 
338 __generate_inline_bs_rs(bus_space_read_stream_1, bs_r_1_s, uint8_t);
339 __generate_inline_bs_rs(bus_space_read_stream_2, bs_r_2_s, uint16_t);
340 __generate_inline_bs_rs(bus_space_read_stream_4, bs_r_4_s, uint32_t);
341 __generate_inline_bs_rs(bus_space_read_stream_8, bs_r_8_s, uint64_t);
342 
343 /*
344  * Bus read multiple operations.
345  */
346 #define	bus_space_read_multi_1(t, h, o, a, c)				\
347 	__bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
348 #define	bus_space_read_multi_2(t, h, o, a, c)				\
349 	__bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
350 #define	bus_space_read_multi_4(t, h, o, a, c)				\
351 	__bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
352 #define	bus_space_read_multi_8(t, h, o, a, c)				\
353 	__bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
354 
355 #define	bus_space_read_multi_stream_1(t, h, o, a, c)			\
356 	__bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c))
357 #define	bus_space_read_multi_stream_2(t, h, o, a, c)			\
358 	__bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c))
359 #define	bus_space_read_multi_stream_4(t, h, o, a, c)			\
360 	__bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c))
361 #define	bus_space_read_multi_stream_8(t, h, o, a, c)			\
362 	__bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c))
363 
364 
365 /*
366  * Bus read region operations.
367  */
368 #define	bus_space_read_region_1(t, h, o, a, c)				\
369 	__bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
370 #define	bus_space_read_region_2(t, h, o, a, c)				\
371 	__bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
372 #define	bus_space_read_region_4(t, h, o, a, c)				\
373 	__bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
374 #define	bus_space_read_region_8(t, h, o, a, c)				\
375 	__bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
376 
377 #define	bus_space_read_region_stream_1(t, h, o, a, c)			\
378 	__bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c))
379 #define	bus_space_read_region_stream_2(t, h, o, a, c)			\
380 	__bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c))
381 #define	bus_space_read_region_stream_4(t, h, o, a, c)			\
382 	__bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c))
383 #define	bus_space_read_region_stream_8(t, h, o, a, c)			\
384 	__bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c))
385 
386 
387 /*
388  * Bus write (single) operations.
389  */
390 __generate_inline_bs_ws(bus_space_write_1, bs_w_1, uint8_t);
391 __generate_inline_bs_ws(bus_space_write_2, bs_w_2, uint16_t);
392 __generate_inline_bs_ws(bus_space_write_4, bs_w_4, uint32_t);
393 __generate_inline_bs_ws(bus_space_write_8, bs_w_8, uint64_t);
394 
395 __generate_inline_bs_ws(bus_space_write_stream_1, bs_w_1_s, uint8_t);
396 __generate_inline_bs_ws(bus_space_write_stream_2, bs_w_2_s, uint16_t);
397 __generate_inline_bs_ws(bus_space_write_stream_4, bs_w_4_s, uint32_t);
398 __generate_inline_bs_ws(bus_space_write_stream_8, bs_w_8_s, uint64_t);
399 
400 
401 /*
402  * Bus write multiple operations.
403  */
404 #define	bus_space_write_multi_1(t, h, o, a, c)				\
405 	__bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
406 #define	bus_space_write_multi_2(t, h, o, a, c)				\
407 	__bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
408 #define	bus_space_write_multi_4(t, h, o, a, c)				\
409 	__bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
410 #define	bus_space_write_multi_8(t, h, o, a, c)				\
411 	__bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
412 
413 #define	bus_space_write_multi_stream_1(t, h, o, a, c)			\
414 	__bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c))
415 #define	bus_space_write_multi_stream_2(t, h, o, a, c)			\
416 	__bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c))
417 #define	bus_space_write_multi_stream_4(t, h, o, a, c)			\
418 	__bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c))
419 #define	bus_space_write_multi_stream_8(t, h, o, a, c)			\
420 	__bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c))
421 
422 
423 /*
424  * Bus write region operations.
425  */
426 #define	bus_space_write_region_1(t, h, o, a, c)				\
427 	__bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
428 #define	bus_space_write_region_2(t, h, o, a, c)				\
429 	__bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
430 #define	bus_space_write_region_4(t, h, o, a, c)				\
431 	__bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
432 #define	bus_space_write_region_8(t, h, o, a, c)				\
433 	__bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
434 
435 #define	bus_space_write_region_stream_1(t, h, o, a, c)			\
436 	__bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c))
437 #define	bus_space_write_region_stream_2(t, h, o, a, c)			\
438 	__bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c))
439 #define	bus_space_write_region_stream_4(t, h, o, a, c)			\
440 	__bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c))
441 #define	bus_space_write_region_stream_8(t, h, o, a, c)			\
442 	__bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c))
443 
444 
445 /*
446  * Set multiple operations.
447  */
448 #define	bus_space_set_multi_1(t, h, o, v, c)				\
449 	__bs_set(sm,1,(t),(h),(o),(v),(c))
450 #define	bus_space_set_multi_2(t, h, o, v, c)				\
451 	__bs_set(sm,2,(t),(h),(o),(v),(c))
452 #define	bus_space_set_multi_4(t, h, o, v, c)				\
453 	__bs_set(sm,4,(t),(h),(o),(v),(c))
454 #define	bus_space_set_multi_8(t, h, o, v, c)				\
455 	__bs_set(sm,8,(t),(h),(o),(v),(c))
456 
457 
458 /*
459  * Set region operations.
460  */
461 #define	bus_space_set_region_1(t, h, o, v, c)				\
462 	__bs_set(sr,1,(t),(h),(o),(v),(c))
463 #define	bus_space_set_region_2(t, h, o, v, c)				\
464 	__bs_set(sr,2,(t),(h),(o),(v),(c))
465 #define	bus_space_set_region_4(t, h, o, v, c)				\
466 	__bs_set(sr,4,(t),(h),(o),(v),(c))
467 #define	bus_space_set_region_8(t, h, o, v, c)				\
468 	__bs_set(sr,8,(t),(h),(o),(v),(c))
469 
470 
471 /*
472  * Copy operations.
473  */
474 #define	bus_space_copy_region_1(t, h1, o1, h2, o2, c)				\
475 	__bs_copy(1, t, h1, o1, h2, o2, c)
476 #define	bus_space_copy_region_2(t, h1, o1, h2, o2, c)				\
477 	__bs_copy(2, t, h1, o1, h2, o2, c)
478 #define	bus_space_copy_region_4(t, h1, o1, h2, o2, c)				\
479 	__bs_copy(4, t, h1, o1, h2, o2, c)
480 #define	bus_space_copy_region_8(t, h1, o1, h2, o2, c)				\
481 	__bs_copy(8, t, h1, o1, h2, o2, c)
482 
483 /*
484  * Macros to provide prototypes for all the functions used in the
485  * bus_space structure
486  */
487 
488 #define bs_map_proto(f)							\
489 int	__bs_c(f,_bs_map) (bus_space_tag_t t, bus_addr_t addr,		\
490 	    bus_size_t size, int cacheable, bus_space_handle_t *bshp);
491 
492 #define bs_unmap_proto(f)						\
493 void	__bs_c(f,_bs_unmap) (bus_space_tag_t t, bus_space_handle_t bsh,		\
494 	    bus_size_t size);
495 
496 #define bs_subregion_proto(f)						\
497 int	__bs_c(f,_bs_subregion) (bus_space_tag_t t, bus_space_handle_t bsh,	\
498 	    bus_size_t offset, bus_size_t size, 			\
499 	    bus_space_handle_t *nbshp);
500 
501 #define bs_alloc_proto(f)						\
502 int	__bs_c(f,_bs_alloc) (bus_space_tag_t t, bus_addr_t rstart,		\
503 	    bus_addr_t rend, bus_size_t size, bus_size_t align,		\
504 	    bus_size_t boundary, int cacheable, bus_addr_t *addrp,	\
505 	    bus_space_handle_t *bshp);
506 
507 #define bs_free_proto(f)						\
508 void	__bs_c(f,_bs_free) (bus_space_tag_t t, bus_space_handle_t bsh,	\
509 	    bus_size_t size);
510 
511 #define bs_mmap_proto(f)						\
512 int	__bs_c(f,_bs_mmap) (struct cdev *, vm_offset_t, vm_paddr_t *, int);
513 
514 #define bs_barrier_proto(f)						\
515 void	__bs_c(f,_bs_barrier) (bus_space_tag_t t, bus_space_handle_t bsh,	\
516 	    bus_size_t offset, bus_size_t len, int flags);
517 
518 #define	bs_r_1_proto(f)							\
519 uint8_t	__bs_c(f,_bs_r_1) (bus_space_tag_t t, bus_space_handle_t bsh,	\
520 		    bus_size_t offset);
521 
522 #define	bs_r_2_proto(f)							\
523 uint16_t	__bs_c(f,_bs_r_2) (bus_space_tag_t t, bus_space_handle_t bsh,	\
524 		    bus_size_t offset);
525 
526 #define	bs_r_4_proto(f)							\
527 uint32_t	__bs_c(f,_bs_r_4) (bus_space_tag_t t, bus_space_handle_t bsh,	\
528 		    bus_size_t offset);
529 
530 #define	bs_r_8_proto(f)							\
531 uint64_t	__bs_c(f,_bs_r_8) (bus_space_tag_t t, bus_space_handle_t bsh,	\
532 		    bus_size_t offset);
533 
534 #define	bs_r_1_s_proto(f)						\
535 uint8_t	__bs_c(f,_bs_r_1_s) (bus_space_tag_t t, bus_space_handle_t bsh,	\
536 		    bus_size_t offset);
537 
538 #define	bs_r_2_s_proto(f)						\
539 uint16_t	__bs_c(f,_bs_r_2_s) (bus_space_tag_t t, bus_space_handle_t bsh,	\
540 		    bus_size_t offset);
541 
542 #define	bs_r_4_s_proto(f)						\
543 uint32_t	__bs_c(f,_bs_r_4_s) (bus_space_tag_t t, bus_space_handle_t bsh,	\
544 		    bus_size_t offset);
545 
546 #define	bs_w_1_proto(f)							\
547 void	__bs_c(f,_bs_w_1) (bus_space_tag_t t, bus_space_handle_t bsh,		\
548 	    bus_size_t offset, uint8_t value);
549 
550 #define	bs_w_2_proto(f)							\
551 void	__bs_c(f,_bs_w_2) (bus_space_tag_t t, bus_space_handle_t bsh,		\
552 	    bus_size_t offset, uint16_t value);
553 
554 #define	bs_w_4_proto(f)							\
555 void	__bs_c(f,_bs_w_4) (bus_space_tag_t t, bus_space_handle_t bsh,		\
556 	    bus_size_t offset, uint32_t value);
557 
558 #define	bs_w_8_proto(f)							\
559 void	__bs_c(f,_bs_w_8) (bus_space_tag_t t, bus_space_handle_t bsh,		\
560 	    bus_size_t offset, uint64_t value);
561 
562 #define	bs_w_1_s_proto(f)						\
563 void	__bs_c(f,_bs_w_1_s) (bus_space_tag_t t, bus_space_handle_t bsh,		\
564 	    bus_size_t offset, uint8_t value);
565 
566 #define	bs_w_2_s_proto(f)						\
567 void	__bs_c(f,_bs_w_2_s) (bus_space_tag_t t, bus_space_handle_t bsh,		\
568 	    bus_size_t offset, uint16_t value);
569 
570 #define	bs_w_4_s_proto(f)						\
571 void	__bs_c(f,_bs_w_4_s) (bus_space_tag_t t, bus_space_handle_t bsh,		\
572 	    bus_size_t offset, uint32_t value);
573 
574 #define	bs_rm_1_proto(f)						\
575 void	__bs_c(f,_bs_rm_1) (bus_space_tag_t t, bus_space_handle_t bsh,	\
576 	    bus_size_t offset, uint8_t *addr, bus_size_t count);
577 
578 #define	bs_rm_2_proto(f)						\
579 void	__bs_c(f,_bs_rm_2) (bus_space_tag_t t, bus_space_handle_t bsh,	\
580 	    bus_size_t offset, uint16_t *addr, bus_size_t count);
581 
582 #define	bs_rm_4_proto(f)						\
583 void	__bs_c(f,_bs_rm_4) (bus_space_tag_t t, bus_space_handle_t bsh,	\
584 	    bus_size_t offset, uint32_t *addr, bus_size_t count);
585 
586 #define	bs_rm_8_proto(f)						\
587 void	__bs_c(f,_bs_rm_8) (bus_space_tag_t t, bus_space_handle_t bsh,	\
588 	    bus_size_t offset, uint64_t *addr, bus_size_t count);
589 
590 #define	bs_wm_1_proto(f)						\
591 void	__bs_c(f,_bs_wm_1) (bus_space_tag_t t, bus_space_handle_t bsh,	\
592 	    bus_size_t offset, const uint8_t *addr, bus_size_t count);
593 
594 #define	bs_wm_2_proto(f)						\
595 void	__bs_c(f,_bs_wm_2) (bus_space_tag_t t, bus_space_handle_t bsh,	\
596 	    bus_size_t offset, const uint16_t *addr, bus_size_t count);
597 
598 #define	bs_wm_4_proto(f)						\
599 void	__bs_c(f,_bs_wm_4) (bus_space_tag_t t, bus_space_handle_t bsh,	\
600 	    bus_size_t offset, const uint32_t *addr, bus_size_t count);
601 
602 #define	bs_wm_8_proto(f)						\
603 void	__bs_c(f,_bs_wm_8) (bus_space_tag_t t, bus_space_handle_t bsh,	\
604 	    bus_size_t offset, const uint64_t *addr, bus_size_t count);
605 
606 #define	bs_rr_1_proto(f)						\
607 void	__bs_c(f, _bs_rr_1) (bus_space_tag_t t, bus_space_handle_t bsh,	\
608 	    bus_size_t offset, uint8_t *addr, bus_size_t count);
609 
610 #define	bs_rr_2_proto(f)						\
611 void	__bs_c(f, _bs_rr_2) (bus_space_tag_t t, bus_space_handle_t bsh,	\
612 	    bus_size_t offset, uint16_t *addr, bus_size_t count);
613 
614 #define	bs_rr_4_proto(f)						\
615 void	__bs_c(f, _bs_rr_4) (bus_space_tag_t t, bus_space_handle_t bsh,	\
616 	    bus_size_t offset, uint32_t *addr, bus_size_t count);
617 
618 #define	bs_rr_8_proto(f)						\
619 void	__bs_c(f, _bs_rr_8) (bus_space_tag_t t, bus_space_handle_t bsh,	\
620 	    bus_size_t offset, uint64_t *addr, bus_size_t count);
621 
622 #define	bs_wr_1_proto(f)						\
623 void	__bs_c(f, _bs_wr_1) (bus_space_tag_t t, bus_space_handle_t bsh,	\
624 	    bus_size_t offset, const uint8_t *addr, bus_size_t count);
625 
626 #define	bs_wr_2_proto(f)						\
627 void	__bs_c(f, _bs_wr_2) (bus_space_tag_t t, bus_space_handle_t bsh,	\
628 	    bus_size_t offset, const uint16_t *addr, bus_size_t count);
629 
630 #define	bs_wr_4_proto(f)						\
631 void	__bs_c(f, _bs_wr_4) (bus_space_tag_t t, bus_space_handle_t bsh,	\
632 	    bus_size_t offset, const uint32_t *addr, bus_size_t count);
633 
634 #define	bs_wr_8_proto(f)						\
635 void	__bs_c(f, _bs_wr_8) (bus_space_tag_t t, bus_space_handle_t bsh,	\
636 	    bus_size_t offset, const uint64_t *addr, bus_size_t count);
637 
638 #define	bs_sm_1_proto(f)						\
639 void	__bs_c(f,_bs_sm_1) (bus_space_tag_t t, bus_space_handle_t bsh,	\
640 	    bus_size_t offset, uint8_t value, bus_size_t count);
641 
642 #define	bs_sm_2_proto(f)						\
643 void	__bs_c(f,_bs_sm_2) (bus_space_tag_t t, bus_space_handle_t bsh,	\
644 	    bus_size_t offset, uint16_t value, bus_size_t count);
645 
646 #define	bs_sm_4_proto(f)						\
647 void	__bs_c(f,_bs_sm_4) (bus_space_tag_t t, bus_space_handle_t bsh,	\
648 	    bus_size_t offset, uint32_t value, bus_size_t count);
649 
650 #define	bs_sm_8_proto(f)						\
651 void	__bs_c(f,_bs_sm_8) (bus_space_tag_t t, bus_space_handle_t bsh,	\
652 	    bus_size_t offset, uint64_t value, bus_size_t count);
653 
654 #define	bs_sr_1_proto(f)						\
655 void	__bs_c(f,_bs_sr_1) (bus_space_tag_t t, bus_space_handle_t bsh,	\
656 	    bus_size_t offset, uint8_t value, bus_size_t count);
657 
658 #define	bs_sr_2_proto(f)						\
659 void	__bs_c(f,_bs_sr_2) (bus_space_tag_t t, bus_space_handle_t bsh,	\
660 	    bus_size_t offset, uint16_t value, bus_size_t count);
661 
662 #define	bs_sr_4_proto(f)						\
663 void	__bs_c(f,_bs_sr_4) (bus_space_tag_t t, bus_space_handle_t bsh,	\
664 	    bus_size_t offset, uint32_t value, bus_size_t count);
665 
666 #define	bs_sr_8_proto(f)						\
667 void	__bs_c(f,_bs_sr_8) (bus_space_tag_t t, bus_space_handle_t bsh,	\
668 	    bus_size_t offset, uint64_t value, bus_size_t count);
669 
670 #define	bs_c_1_proto(f)							\
671 void	__bs_c(f,_bs_c_1) (bus_space_tag_t t, bus_space_handle_t bsh1,	\
672 	    bus_size_t offset1, bus_space_handle_t bsh2,		\
673 	    bus_size_t offset2, bus_size_t count);
674 
675 #define	bs_c_2_proto(f)							\
676 void	__bs_c(f,_bs_c_2) (bus_space_tag_t t, bus_space_handle_t bsh1,	\
677 	    bus_size_t offset1, bus_space_handle_t bsh2,		\
678 	    bus_size_t offset2, bus_size_t count);
679 
680 #define	bs_c_4_proto(f)							\
681 void	__bs_c(f,_bs_c_4) (bus_space_tag_t t, bus_space_handle_t bsh1,	\
682 	    bus_size_t offset1, bus_space_handle_t bsh2,		\
683 	    bus_size_t offset2, bus_size_t count);
684 
685 #define	bs_c_8_proto(f)							\
686 void	__bs_c(f,_bs_c_8) (bus_space_tag_t t, bus_space_handle_t bsh1,	\
687 	    bus_size_t offset1, bus_space_handle_t bsh2,		\
688 	    bus_size_t offset2, bus_size_t count);
689 
690 #define bs_protos(f)		\
691 bs_map_proto(f);		\
692 bs_unmap_proto(f);		\
693 bs_subregion_proto(f);		\
694 bs_alloc_proto(f);		\
695 bs_free_proto(f);		\
696 bs_mmap_proto(f);		\
697 bs_barrier_proto(f);		\
698 bs_r_1_proto(f);		\
699 bs_r_2_proto(f);		\
700 bs_r_4_proto(f);		\
701 bs_r_8_proto(f);		\
702 bs_r_1_s_proto(f);		\
703 bs_r_2_s_proto(f);		\
704 bs_r_4_s_proto(f);		\
705 bs_w_1_proto(f);		\
706 bs_w_2_proto(f);		\
707 bs_w_4_proto(f);		\
708 bs_w_8_proto(f);		\
709 bs_w_1_s_proto(f);		\
710 bs_w_2_s_proto(f);		\
711 bs_w_4_s_proto(f);		\
712 bs_rm_1_proto(f);		\
713 bs_rm_2_proto(f);		\
714 bs_rm_4_proto(f);		\
715 bs_rm_8_proto(f);		\
716 bs_wm_1_proto(f);		\
717 bs_wm_2_proto(f);		\
718 bs_wm_4_proto(f);		\
719 bs_wm_8_proto(f);		\
720 bs_rr_1_proto(f);		\
721 bs_rr_2_proto(f);		\
722 bs_rr_4_proto(f);		\
723 bs_rr_8_proto(f);		\
724 bs_wr_1_proto(f);		\
725 bs_wr_2_proto(f);		\
726 bs_wr_4_proto(f);		\
727 bs_wr_8_proto(f);		\
728 bs_sm_1_proto(f);		\
729 bs_sm_2_proto(f);		\
730 bs_sm_4_proto(f);		\
731 bs_sm_8_proto(f);		\
732 bs_sr_1_proto(f);		\
733 bs_sr_2_proto(f);		\
734 bs_sr_4_proto(f);		\
735 bs_sr_8_proto(f);		\
736 bs_c_1_proto(f);		\
737 bs_c_2_proto(f);		\
738 bs_c_4_proto(f);		\
739 bs_c_8_proto(f);
740 
741 void generic_bs_unimplemented(void);
742 #define	BS_UNIMPLEMENTED	(void *)generic_bs_unimplemented
743 
744 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
745 
746 #define BUS_SPACE_MAXADDR_24BIT	0xFFFFFF
747 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
748 #define BUS_SPACE_MAXADDR 	0xFFFFFFFF
749 #define BUS_SPACE_MAXSIZE_24BIT	0xFFFFFF
750 #define BUS_SPACE_MAXSIZE_32BIT	0xFFFFFFFF
751 #define BUS_SPACE_MAXSIZE 	0xFFFFFFFF
752 
753 #define BUS_SPACE_UNRESTRICTED	(~0)
754 
755 #include <machine/bus_dma.h>
756 
757 /*
758  * Get the physical address of a bus space memory-mapped resource.
759  * Doing this as a macro is a temporary solution until a more robust fix is
760  * designed.  It also serves to mark the locations needing that fix.
761  */
762 #define BUS_SPACE_PHYSADDR(res, offs) \
763 	((u_int)(rman_get_start(res)+(offs)))
764 
765 #endif /* _MACHINE_BUS_H_ */
766