xref: /freebsd/sys/powerpc/include/bus.h (revision 39ee7a7a6bdd1557b1c3532abf60d139798ac88b)
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 #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 #ifdef __powerpc64__
79 #define BUS_SPACE_MAXADDR 	0xFFFFFFFFFFFFFFFFUL
80 #define BUS_SPACE_MAXSIZE 	0xFFFFFFFFFFFFFFFFUL
81 #else
82 #define BUS_SPACE_MAXADDR 	0xFFFFFFFFUL
83 #define BUS_SPACE_MAXSIZE 	0xFFFFFFFFUL
84 #endif
85 
86 #define	BUS_SPACE_MAP_CACHEABLE		0x01
87 #define	BUS_SPACE_MAP_LINEAR		0x02
88 #define	BUS_SPACE_MAP_PREFETCHABLE     	0x04
89 
90 #define	BUS_SPACE_UNRESTRICTED	(~0)
91 
92 #define	BUS_SPACE_BARRIER_READ	0x01
93 #define	BUS_SPACE_BARRIER_WRITE	0x02
94 
95 struct bus_space_access;
96 
97 struct bus_space {
98 	/* mapping/unmapping */
99 	int	(*bs_map)(bus_addr_t, bus_size_t, int,
100 	    bus_space_handle_t *);
101 	void	(*bs_unmap)(bus_size_t);
102 	int	(*bs_subregion)(bus_space_handle_t, bus_size_t,
103 	    bus_size_t, bus_space_handle_t *);
104 
105 	/* allocation/deallocation */
106 	int	(*bs_alloc)(bus_addr_t, bus_addr_t, bus_size_t,
107 	    bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *);
108 	void	(*bs_free)(bus_space_handle_t, bus_size_t);
109 
110 	void	(*bs_barrier)(bus_space_handle_t, bus_size_t,
111 	    bus_size_t, int);
112 
113 	/* Read single. */
114 	uint8_t (*bs_r_1)(bus_space_handle_t, bus_size_t);
115 	uint16_t (*bs_r_2)(bus_space_handle_t, bus_size_t);
116 	uint32_t (*bs_r_4)(bus_space_handle_t, bus_size_t);
117 	uint64_t (*bs_r_8)(bus_space_handle_t, bus_size_t);
118 
119 	uint16_t (*bs_r_s_2)(bus_space_handle_t, bus_size_t);
120 	uint32_t (*bs_r_s_4)(bus_space_handle_t, bus_size_t);
121 	uint64_t (*bs_r_s_8)(bus_space_handle_t, bus_size_t);
122 
123 	/* read multiple */
124 	void	(*bs_rm_1)(bus_space_handle_t, bus_size_t, uint8_t *,
125 	    bus_size_t);
126 	void	(*bs_rm_2)(bus_space_handle_t, bus_size_t, uint16_t *,
127 	    bus_size_t);
128 	void	(*bs_rm_4)(bus_space_handle_t, bus_size_t, uint32_t *,
129 	    bus_size_t);
130 	void	(*bs_rm_8)(bus_space_handle_t, bus_size_t, uint64_t *,
131 	    bus_size_t);
132 
133 	void	(*bs_rm_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
134 	    bus_size_t);
135 	void	(*bs_rm_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
136 	    bus_size_t);
137 	void	(*bs_rm_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
138 	    bus_size_t);
139 
140 	/* read region */
141 	void	(*bs_rr_1)(bus_space_handle_t, bus_size_t, uint8_t *,
142 	    bus_size_t);
143 	void	(*bs_rr_2)(bus_space_handle_t, bus_size_t, uint16_t *,
144 	    bus_size_t);
145 	void	(*bs_rr_4)(bus_space_handle_t, bus_size_t, uint32_t *,
146 	    bus_size_t);
147 	void	(*bs_rr_8)(bus_space_handle_t, bus_size_t, uint64_t *,
148 	    bus_size_t);
149 
150 	void	(*bs_rr_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
151 	    bus_size_t);
152 	void	(*bs_rr_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
153 	    bus_size_t);
154 	void	(*bs_rr_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
155 	    bus_size_t);
156 
157 	/* write */
158 	void	(*bs_w_1)(bus_space_handle_t, bus_size_t, uint8_t);
159 	void	(*bs_w_2)(bus_space_handle_t, bus_size_t, uint16_t);
160 	void	(*bs_w_4)(bus_space_handle_t, bus_size_t, uint32_t);
161 	void	(*bs_w_8)(bus_space_handle_t, bus_size_t, uint64_t);
162 
163 	void	(*bs_w_s_2)(bus_space_handle_t, bus_size_t, uint16_t);
164 	void	(*bs_w_s_4)(bus_space_handle_t, bus_size_t, uint32_t);
165 	void	(*bs_w_s_8)(bus_space_handle_t, bus_size_t, uint64_t);
166 
167 	/* write multiple */
168 	void	(*bs_wm_1)(bus_space_handle_t, bus_size_t,
169 	    const uint8_t *, bus_size_t);
170 	void	(*bs_wm_2)(bus_space_handle_t, bus_size_t,
171 	    const uint16_t *, bus_size_t);
172 	void	(*bs_wm_4)(bus_space_handle_t, bus_size_t,
173 	    const uint32_t *, bus_size_t);
174 	void	(*bs_wm_8)(bus_space_handle_t, bus_size_t,
175 	    const uint64_t *, bus_size_t);
176 
177 	void	(*bs_wm_s_2)(bus_space_handle_t, bus_size_t,
178 	    const uint16_t *, bus_size_t);
179 	void	(*bs_wm_s_4)(bus_space_handle_t, bus_size_t,
180 	    const uint32_t *, bus_size_t);
181 	void	(*bs_wm_s_8)(bus_space_handle_t, bus_size_t,
182 	    const uint64_t *, bus_size_t);
183 
184 	/* write region */
185 	void	(*bs_wr_1)(bus_space_handle_t, bus_size_t,
186 	    const uint8_t *, bus_size_t);
187 	void	(*bs_wr_2)(bus_space_handle_t, bus_size_t,
188 	    const uint16_t *, bus_size_t);
189 	void	(*bs_wr_4)(bus_space_handle_t, bus_size_t,
190 	    const uint32_t *, bus_size_t);
191 	void	(*bs_wr_8)(bus_space_handle_t, bus_size_t,
192 	    const uint64_t *, bus_size_t);
193 
194 	void	(*bs_wr_s_2)(bus_space_handle_t, bus_size_t,
195 	    const uint16_t *, bus_size_t);
196 	void	(*bs_wr_s_4)(bus_space_handle_t, bus_size_t,
197 	    const uint32_t *, bus_size_t);
198 	void	(*bs_wr_s_8)(bus_space_handle_t, bus_size_t,
199 	    const uint64_t *, bus_size_t);
200 
201 	/* set multiple */
202 	void	(*bs_sm_1)(bus_space_handle_t, bus_size_t, uint8_t,
203 	    bus_size_t);
204 	void	(*bs_sm_2)(bus_space_handle_t, bus_size_t, uint16_t,
205 	    bus_size_t);
206 	void	(*bs_sm_4)(bus_space_handle_t, bus_size_t, uint32_t,
207 	    bus_size_t);
208 	void	(*bs_sm_8)(bus_space_handle_t, bus_size_t, uint64_t,
209 	    bus_size_t);
210 
211 	void	(*bs_sm_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
212 	    bus_size_t);
213 	void	(*bs_sm_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
214 	    bus_size_t);
215 	void	(*bs_sm_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
216 	    bus_size_t);
217 
218 	/* set region */
219 	void	(*bs_sr_1)(bus_space_handle_t, bus_size_t, uint8_t,
220 	    bus_size_t);
221 	void	(*bs_sr_2)(bus_space_handle_t, bus_size_t, uint16_t,
222 	    bus_size_t);
223 	void	(*bs_sr_4)(bus_space_handle_t, bus_size_t, uint32_t,
224 	    bus_size_t);
225 	void	(*bs_sr_8)(bus_space_handle_t, bus_size_t, uint64_t,
226 	    bus_size_t);
227 
228 	void	(*bs_sr_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
229 	    bus_size_t);
230 	void	(*bs_sr_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
231 	    bus_size_t);
232 	void	(*bs_sr_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
233 	    bus_size_t);
234 
235 	/* copy region */
236 	void	(*bs_cr_1)(bus_space_handle_t, bus_size_t,
237 	    bus_space_handle_t, bus_size_t, bus_size_t);
238 	void	(*bs_cr_2)(bus_space_handle_t, bus_size_t,
239 	    bus_space_handle_t, bus_size_t, bus_size_t);
240 	void	(*bs_cr_4)(bus_space_handle_t, bus_size_t,
241 	    bus_space_handle_t, bus_size_t, bus_size_t);
242 	void	(*bs_cr_8)(bus_space_handle_t, bus_size_t,
243 	    bus_space_handle_t, bus_size_t, bus_size_t);
244 
245 	void	(*bs_cr_s_2)(bus_space_handle_t, bus_size_t,
246 	    bus_space_handle_t, bus_size_t, bus_size_t);
247 	void	(*bs_cr_s_4)(bus_space_handle_t, bus_size_t,
248 	    bus_space_handle_t, bus_size_t, bus_size_t);
249 	void	(*bs_cr_s_8)(bus_space_handle_t, bus_size_t,
250 	    bus_space_handle_t, bus_size_t, bus_size_t);
251 };
252 
253 extern struct bus_space bs_be_tag;
254 extern struct bus_space bs_le_tag;
255 
256 #define	__bs_c(a,b)		__CONCAT(a,b)
257 #define	__bs_opname(op,size)	__bs_c(__bs_c(__bs_c(bs_,op),_),size)
258 
259 #define	__bs_rs(sz, t, h, o)						\
260 	(*(t)->__bs_opname(r,sz))(h, o)
261 #define	__bs_ws(sz, t, h, o, v)				\
262 	(*(t)->__bs_opname(w,sz))(h, o, v)
263 #define	__bs_nonsingle(type, sz, t, h, o, a, c)				\
264 	(*(t)->__bs_opname(type,sz))(h, o, a, c)
265 #define	__bs_set(type, sz, t, h, o, v, c)				\
266 	(*(t)->__bs_opname(type,sz))(h, o, v, c)
267 #define	__bs_copy(sz, t, h1, o1, h2, o2, cnt)				\
268 	(*(t)->__bs_opname(c,sz))(h1, o1, h2, o2, cnt)
269 
270 /*
271  * Mapping and unmapping operations.
272  */
273 #define bus_space_map(t, a, s, c, hp) (*(t)->bs_map)(a, s, c, hp)
274 #define bus_space_unmap(t, h, s)	(*(t)->bs_unmap)(h, s)
275 #define	bus_space_subregion(t, h, o, s, hp)	(*(t)->bs_subregion)(h, o, s, hp)
276 
277 /*
278  * Allocation and deallocation operations.
279  */
280 #define	bus_space_alloc(t, rs, re, s, a, b, c, ap, hp)	\
281 	(*(t)->bs_alloc)(rs, re, s, a, b, c, ap, hp)
282 #define	bus_space_free(t, h, s)				\
283 	(*(t)->bs_free)(h, s)
284 
285 /*
286  * Bus barrier operations.
287  */
288 #define	bus_space_barrier(t, h, o, l, f)	(*(t)->bs_barrier)(h, o, l, f)
289 
290 /*
291  * Bus read (single) operations.
292  */
293 #define	bus_space_read_1(t, h, o)	__bs_rs(1,t,h,o)
294 #define	bus_space_read_2(t, h, o)	__bs_rs(2,t,h,o)
295 #define	bus_space_read_4(t, h, o)	__bs_rs(4,t,h,o)
296 #define	bus_space_read_8(t, h, o)	__bs_rs(8,t,h,o)
297 
298 #define bus_space_read_stream_1 bus_space_read_1
299 #define	bus_space_read_stream_2(t, h, o)	__bs_rs(s_2,t,h,o)
300 #define	bus_space_read_stream_4(t, h, o)	__bs_rs(s_4,t,h,o)
301 #define	bus_space_read_stream_8(t, h, o)	__bs_rs(s_8,t,h,o)
302 
303 /*
304  * Bus read multiple operations.
305  */
306 #define	bus_space_read_multi_1(t, h, o, a, c)				\
307 	__bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
308 #define	bus_space_read_multi_2(t, h, o, a, c)				\
309 	__bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
310 #define	bus_space_read_multi_4(t, h, o, a, c)				\
311 	__bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
312 #define	bus_space_read_multi_8(t, h, o, a, c)				\
313 	__bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
314 
315 #define bus_space_read_multi_stream_1 bus_space_read_multi_1
316 #define	bus_space_read_multi_stream_2(t, h, o, a, c)			\
317 	__bs_nonsingle(rm,s_2,(t),(h),(o),(a),(c))
318 #define	bus_space_read_multi_stream_4(t, h, o, a, c)			\
319 	__bs_nonsingle(rm,s_4,(t),(h),(o),(a),(c))
320 #define	bus_space_read_multi_stream_8(t, h, o, a, c)			\
321 	__bs_nonsingle(rm,s_8,(t),(h),(o),(a),(c))
322 
323 /*
324  * Bus read region operations.
325  */
326 #define	bus_space_read_region_1(t, h, o, a, c)				\
327 	__bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
328 #define	bus_space_read_region_2(t, h, o, a, c)				\
329 	__bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
330 #define	bus_space_read_region_4(t, h, o, a, c)				\
331 	__bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
332 #define	bus_space_read_region_8(t, h, o, a, c)				\
333 	__bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
334 
335 #define bus_space_read_region_stream_1 bus_space_read_region_1
336 #define	bus_space_read_region_stream_2(t, h, o, a, c)			\
337 	__bs_nonsingle(rr,s_2,(t),(h),(o),(a),(c))
338 #define	bus_space_read_region_stream_4(t, h, o, a, c)			\
339 	__bs_nonsingle(rr,s_4,(t),(h),(o),(a),(c))
340 #define	bus_space_read_region_stream_8(t, h, o, a, c)			\
341 	__bs_nonsingle(rr,s_8,(t),(h),(o),(a),(c))
342 
343 /*
344  * Bus write (single) operations.
345  */
346 #define	bus_space_write_1(t, h, o, v)	__bs_ws(1,(t),(h),(o),(v))
347 #define	bus_space_write_2(t, h, o, v)	__bs_ws(2,(t),(h),(o),(v))
348 #define	bus_space_write_4(t, h, o, v)	__bs_ws(4,(t),(h),(o),(v))
349 #define	bus_space_write_8(t, h, o, v)	__bs_ws(8,(t),(h),(o),(v))
350 
351 #define bus_space_write_stream_1 bus_space_write_1
352 #define	bus_space_write_stream_2(t, h, o, v)	__bs_ws(s_2,(t),(h),(o),(v))
353 #define	bus_space_write_stream_4(t, h, o, v)	__bs_ws(s_4,(t),(h),(o),(v))
354 #define	bus_space_write_stream_8(t, h, o, v)	__bs_ws(s_8,(t),(h),(o),(v))
355 
356 /*
357  * Bus write multiple operations.
358  */
359 #define	bus_space_write_multi_1(t, h, o, a, c)				\
360 	__bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
361 #define	bus_space_write_multi_2(t, h, o, a, c)				\
362 	__bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
363 #define	bus_space_write_multi_4(t, h, o, a, c)				\
364 	__bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
365 #define	bus_space_write_multi_8(t, h, o, a, c)				\
366 	__bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
367 
368 #define bus_space_write_multi_stream_1 bus_space_write_multi_1
369 #define	bus_space_write_multi_stream_2(t, h, o, a, c)			\
370 	__bs_nonsingle(wm,s_2,(t),(h),(o),(a),(c))
371 #define	bus_space_write_multi_stream_4(t, h, o, a, c)			\
372 	__bs_nonsingle(wm,s_4,(t),(h),(o),(a),(c))
373 #define	bus_space_write_multi_stream_8(t, h, o, a, c)			\
374 	__bs_nonsingle(wm,s_8,(t),(h),(o),(a),(c))
375 
376 /*
377  * Bus write region operations.
378  */
379 #define	bus_space_write_region_1(t, h, o, a, c)				\
380 	__bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
381 #define	bus_space_write_region_2(t, h, o, a, c)				\
382 	__bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
383 #define	bus_space_write_region_4(t, h, o, a, c)				\
384 	__bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
385 #define	bus_space_write_region_8(t, h, o, a, c)				\
386 	__bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
387 
388 #define bus_space_write_region_stream_1 bus_space_write_region_1
389 #define	bus_space_write_region_stream_2(t, h, o, a, c)			\
390 	__bs_nonsingle(wr,s_2,(t),(h),(o),(a),(c))
391 #define	bus_space_write_region_stream_4(t, h, o, a, c)			\
392 	__bs_nonsingle(wr,s_4,(t),(h),(o),(a),(c))
393 #define	bus_space_write_region_stream_8(t, h, o, a, c)			\
394 	__bs_nonsingle(wr,s_8,(t),(h),(o),(a),(c))
395 
396 /*
397  * Set multiple operations.
398  */
399 #define	bus_space_set_multi_1(t, h, o, v, c)				\
400 	__bs_set(sm,1,(t),(h),(o),(v),(c))
401 #define	bus_space_set_multi_2(t, h, o, v, c)				\
402 	__bs_set(sm,2,(t),(h),(o),(v),(c))
403 #define	bus_space_set_multi_4(t, h, o, v, c)				\
404 	__bs_set(sm,4,(t),(h),(o),(v),(c))
405 #define	bus_space_set_multi_8(t, h, o, v, c)				\
406 	__bs_set(sm,8,(t),(h),(o),(v),(c))
407 
408 #define bus_space_set_multi_stream_1 bus_space_set_multi_1
409 #define	bus_space_set_multi_stream_2(t, h, o, v, c)			\
410 	__bs_set(sm,s_2,(t),(h),(o),(v),(c))
411 #define	bus_space_set_multi_stream_4(t, h, o, v, c)			\
412 	__bs_set(sm,s_4,(t),(h),(o),(v),(c))
413 #define	bus_space_set_multi_stream_8(t, h, o, v, c)			\
414 	__bs_set(sm,s_8,(t),(h),(o),(v),(c))
415 
416 /*
417  * Set region operations.
418  */
419 #define	bus_space_set_region_1(t, h, o, v, c)				\
420 	__bs_set(sr,1,(t),(h),(o),(v),(c))
421 #define	bus_space_set_region_2(t, h, o, v, c)				\
422 	__bs_set(sr,2,(t),(h),(o),(v),(c))
423 #define	bus_space_set_region_4(t, h, o, v, c)				\
424 	__bs_set(sr,4,(t),(h),(o),(v),(c))
425 #define	bus_space_set_region_8(t, h, o, v, c)				\
426 	__bs_set(sr,8,(t),(h),(o),(v),(c))
427 
428 #define bus_space_set_region_stream_1 bus_space_set_region_1
429 #define	bus_space_set_region_stream_2(t, h, o, v, c)			\
430 	__bs_set(sr,s_2,(t),(h),(o),(v),(c))
431 #define	bus_space_set_region_stream_4(t, h, o, v, c)			\
432 	__bs_set(sr,s_4,(t),(h),(o),(v),(c))
433 #define	bus_space_set_region_stream_8(t, h, o, v, c)			\
434 	__bs_set(sr,s_8,(t),(h),(o),(v),(c))
435 
436 #if 0
437 /*
438  * Copy operations.
439  */
440 #define	bus_space_copy_region_1(t, h1, o1, h2, o2, c)				\
441 	__bs_copy(1, t, h1, o1, h2, o2, c)
442 #define	bus_space_copy_region_2(t, h1, o1, h2, o2, c)				\
443 	__bs_copy(2, t, h1, o1, h2, o2, c)
444 #define	bus_space_copy_region_4(t, h1, o1, h2, o2, c)				\
445 	__bs_copy(4, t, h1, o1, h2, o2, c)
446 #define	bus_space_copy_region_8(t, h1, o1, h2, o2, c)				\
447 	__bs_copy(8, t, h1, o1, h2, o2, c)
448 
449 #define bus_space_copy_region_stream_1 bus_space_copy_region_1
450 #define	bus_space_copy_region_stream_2(t, h1, o1, h2, o2, c)			\
451 	__bs_copy(s_2, t, h1, o1, h2, o2, c)
452 #define	bus_space_copy_region_stream_4(t, h1, o1, h2, o2, c)			\
453 	__bs_copy(s_4, t, h1, o1, h2, o2, c)
454 #define	bus_space_copy_region_stream_8(t, h1, o1, h2, o2, c)			\
455 	__bs_copy(s_8, t, h1, o1, h2, o2, c)
456 #endif
457 
458 #include <machine/bus_dma.h>
459 
460 #endif /* _MACHINE_BUS_H_ */
461