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
--- 49 unchanged lines hidden (view full) ---
62 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
63 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
64 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
65 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
66 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
67 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
68 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69 *
70 * $FreeBSD: head/sys/powerpc/include/bus.h 174782 2007-12-19 18:00:50Z marcel $
71 */
72
73#ifndef _MACHINE_BUS_H_
74#define _MACHINE_BUS_H_
75
76#include <machine/_bus.h>
77
78#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
79
80#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
81#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
82#define BUS_SPACE_MAXADDR 0xFFFFFFFF
83#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
84#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
85#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
86
87#define BUS_SPACE_MAP_CACHEABLE 0x01
88#define BUS_SPACE_MAP_LINEAR 0x02
89#define BUS_SPACE_MAP_PREFETCHABLE 0x04
90
91#define BUS_SPACE_UNRESTRICTED (~0)
92
93#define BUS_SPACE_BARRIER_READ 0x01
94#define BUS_SPACE_BARRIER_WRITE 0x02
95
96struct bus_space_access;
97
98struct bus_space {
99 /* mapping/unmapping */
100 int (*bs_map)(bus_addr_t, bus_size_t, int,
101 bus_space_handle_t *);
102 void (*bs_unmap)(bus_size_t);
103 int (*bs_subregion)(bus_space_handle_t, bus_size_t,
104 bus_size_t, bus_space_handle_t *);
105
106 /* allocation/deallocation */
107 int (*bs_alloc)(bus_addr_t, bus_addr_t, bus_size_t,
108 bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *);
109 void (*bs_free)(bus_space_handle_t, bus_size_t);
110
111 void (*bs_barrier)(bus_space_handle_t, bus_size_t,
112 bus_size_t, int);
113
114 /* Read single. */
115 uint8_t (*bs_r_1)(bus_space_handle_t, bus_size_t);
116 uint16_t (*bs_r_2)(bus_space_handle_t, bus_size_t);
117 uint32_t (*bs_r_4)(bus_space_handle_t, bus_size_t);
118 uint64_t (*bs_r_8)(bus_space_handle_t, bus_size_t);
119
120 uint16_t (*bs_r_s_2)(bus_space_handle_t, bus_size_t);
121 uint32_t (*bs_r_s_4)(bus_space_handle_t, bus_size_t);
122 uint64_t (*bs_r_s_8)(bus_space_handle_t, bus_size_t);
123
124 /* read multiple */
125 void (*bs_rm_1)(bus_space_handle_t, bus_size_t, uint8_t *,
126 bus_size_t);
127 void (*bs_rm_2)(bus_space_handle_t, bus_size_t, uint16_t *,
128 bus_size_t);
129 void (*bs_rm_4)(bus_space_handle_t, bus_size_t, uint32_t *,
130 bus_size_t);
131 void (*bs_rm_8)(bus_space_handle_t, bus_size_t, uint64_t *,
132 bus_size_t);
133
134 void (*bs_rm_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
135 bus_size_t);
136 void (*bs_rm_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
137 bus_size_t);
138 void (*bs_rm_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
139 bus_size_t);
140
141 /* read region */
142 void (*bs_rr_1)(bus_space_handle_t, bus_size_t, uint8_t *,
143 bus_size_t);
144 void (*bs_rr_2)(bus_space_handle_t, bus_size_t, uint16_t *,
145 bus_size_t);
146 void (*bs_rr_4)(bus_space_handle_t, bus_size_t, uint32_t *,
147 bus_size_t);
148 void (*bs_rr_8)(bus_space_handle_t, bus_size_t, uint64_t *,
149 bus_size_t);
150
151 void (*bs_rr_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
152 bus_size_t);
153 void (*bs_rr_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
154 bus_size_t);
155 void (*bs_rr_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
156 bus_size_t);
157
158 /* write */
159 void (*bs_w_1)(bus_space_handle_t, bus_size_t, uint8_t);
160 void (*bs_w_2)(bus_space_handle_t, bus_size_t, uint16_t);
161 void (*bs_w_4)(bus_space_handle_t, bus_size_t, uint32_t);
162 void (*bs_w_8)(bus_space_handle_t, bus_size_t, uint64_t);
163
164 void (*bs_w_s_2)(bus_space_handle_t, bus_size_t, uint16_t);
165 void (*bs_w_s_4)(bus_space_handle_t, bus_size_t, uint32_t);
166 void (*bs_w_s_8)(bus_space_handle_t, bus_size_t, uint64_t);
167
168 /* write multiple */
169 void (*bs_wm_1)(bus_space_handle_t, bus_size_t,
170 const uint8_t *, bus_size_t);
171 void (*bs_wm_2)(bus_space_handle_t, bus_size_t,
172 const uint16_t *, bus_size_t);
173 void (*bs_wm_4)(bus_space_handle_t, bus_size_t,
174 const uint32_t *, bus_size_t);
175 void (*bs_wm_8)(bus_space_handle_t, bus_size_t,
176 const uint64_t *, bus_size_t);
177
178 void (*bs_wm_s_2)(bus_space_handle_t, bus_size_t,
179 const uint16_t *, bus_size_t);
180 void (*bs_wm_s_4)(bus_space_handle_t, bus_size_t,
181 const uint32_t *, bus_size_t);
182 void (*bs_wm_s_8)(bus_space_handle_t, bus_size_t,
183 const uint64_t *, bus_size_t);
184
185 /* write region */
186 void (*bs_wr_1)(bus_space_handle_t, bus_size_t,
187 const uint8_t *, bus_size_t);
188 void (*bs_wr_2)(bus_space_handle_t, bus_size_t,
189 const uint16_t *, bus_size_t);
190 void (*bs_wr_4)(bus_space_handle_t, bus_size_t,
191 const uint32_t *, bus_size_t);
192 void (*bs_wr_8)(bus_space_handle_t, bus_size_t,
193 const uint64_t *, bus_size_t);
194
195 void (*bs_wr_s_2)(bus_space_handle_t, bus_size_t,
196 const uint16_t *, bus_size_t);
197 void (*bs_wr_s_4)(bus_space_handle_t, bus_size_t,
198 const uint32_t *, bus_size_t);
199 void (*bs_wr_s_8)(bus_space_handle_t, bus_size_t,
200 const uint64_t *, bus_size_t);
201
202 /* set multiple */
203 void (*bs_sm_1)(bus_space_handle_t, bus_size_t, uint8_t,
204 bus_size_t);
205 void (*bs_sm_2)(bus_space_handle_t, bus_size_t, uint16_t,
206 bus_size_t);
207 void (*bs_sm_4)(bus_space_handle_t, bus_size_t, uint32_t,
208 bus_size_t);
209 void (*bs_sm_8)(bus_space_handle_t, bus_size_t, uint64_t,
210 bus_size_t);
211
212 void (*bs_sm_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
213 bus_size_t);
214 void (*bs_sm_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
215 bus_size_t);
216 void (*bs_sm_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
217 bus_size_t);
218
219 /* set region */
220 void (*bs_sr_1)(bus_space_handle_t, bus_size_t, uint8_t,
221 bus_size_t);
222 void (*bs_sr_2)(bus_space_handle_t, bus_size_t, uint16_t,
223 bus_size_t);
224 void (*bs_sr_4)(bus_space_handle_t, bus_size_t, uint32_t,
225 bus_size_t);
226 void (*bs_sr_8)(bus_space_handle_t, bus_size_t, uint64_t,
227 bus_size_t);
228
229 void (*bs_sr_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
230 bus_size_t);
231 void (*bs_sr_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
232 bus_size_t);
233 void (*bs_sr_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
234 bus_size_t);
235
236 /* copy region */
237 void (*bs_cr_1)(bus_space_handle_t, bus_size_t,
238 bus_space_handle_t, bus_size_t, bus_size_t);
239 void (*bs_cr_2)(bus_space_handle_t, bus_size_t,
240 bus_space_handle_t, bus_size_t, bus_size_t);
241 void (*bs_cr_4)(bus_space_handle_t, bus_size_t,
242 bus_space_handle_t, bus_size_t, bus_size_t);
243 void (*bs_cr_8)(bus_space_handle_t, bus_size_t,
244 bus_space_handle_t, bus_size_t, bus_size_t);
245
246 void (*bs_cr_s_2)(bus_space_handle_t, bus_size_t,
247 bus_space_handle_t, bus_size_t, bus_size_t);
248 void (*bs_cr_s_4)(bus_space_handle_t, bus_size_t,
249 bus_space_handle_t, bus_size_t, bus_size_t);
250 void (*bs_cr_s_8)(bus_space_handle_t, bus_size_t,
251 bus_space_handle_t, bus_size_t, bus_size_t);
252};
253
254extern struct bus_space bs_be_tag;
255extern struct bus_space bs_le_tag;
256
257#define __bs_c(a,b) __CONCAT(a,b)
258#define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size)
259
260#define __bs_rs(sz, t, h, o) \
261 (*(t)->__bs_opname(r,sz))(h, o)
262#define __bs_ws(sz, t, h, o, v) \
263 (*(t)->__bs_opname(w,sz))(h, o, v)
264#define __bs_nonsingle(type, sz, t, h, o, a, c) \
265 (*(t)->__bs_opname(type,sz))(h, o, a, c)
266#define __bs_set(type, sz, t, h, o, v, c) \
267 (*(t)->__bs_opname(type,sz))(h, o, v, c)
268#define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \
269 (*(t)->__bs_opname(c,sz))(h1, o1, h2, o2, cnt)
270
271/*
272 * Mapping and unmapping operations.
273 */
274#define bus_space_map(t, a, s, c, hp) (*(t)->bs_map)(a, s, c, hp)
275#define bus_space_unmap(t, h, s) (*(t)->bs_unmap)(h, s)
276#define bus_space_subregion(t, h, o, s, hp) (*(t)->bs_subregion)(h, o, s, hp)
277
278/*
279 * Allocation and deallocation operations.
280 */
281#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \
282 (*(t)->bs_alloc)(rs, re, s, a, b, c, ap, hp)
283#define bus_space_free(t, h, s) \
284 (*(t)->bs_free)(h, s)
285
286/*
287 * Bus barrier operations.
288 */
289#define bus_space_barrier(t, h, o, l, f) (*(t)->bs_barrier)(h, o, l, f)
290
291/*
292 * Bus read (single) operations.
293 */
294#define bus_space_read_1(t, h, o) __bs_rs(1,t,h,o)
295#define bus_space_read_2(t, h, o) __bs_rs(2,t,h,o)
296#define bus_space_read_4(t, h, o) __bs_rs(4,t,h,o)
297#define bus_space_read_8(t, h, o) __bs_rs(8,t,h,o)
298
299#define bus_space_read_stream_1 bus_space_read_1
300#define bus_space_read_stream_2(t, h, o) __bs_rs(s_2,t,h,o)
301#define bus_space_read_stream_4(t, h, o) __bs_rs(s_4,t,h,o)
302#define bus_space_read_stream_8(t, h, o) __bs_rs(s_8,t,h,o)
303
304/*
305 * Bus read multiple operations.
306 */
307#define bus_space_read_multi_1(t, h, o, a, c) \
308 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
309#define bus_space_read_multi_2(t, h, o, a, c) \
310 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
311#define bus_space_read_multi_4(t, h, o, a, c) \
312 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
313#define bus_space_read_multi_8(t, h, o, a, c) \
314 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
315
316#define bus_space_read_multi_stream_1 bus_space_read_multi_1
317#define bus_space_read_multi_stream_2(t, h, o, a, c) \
318 __bs_nonsingle(rm,s_2,(t),(h),(o),(a),(c))
319#define bus_space_read_multi_stream_4(t, h, o, a, c) \
320 __bs_nonsingle(rm,s_4,(t),(h),(o),(a),(c))
321#define bus_space_read_multi_stream_8(t, h, o, a, c) \
322 __bs_nonsingle(rm,s_8,(t),(h),(o),(a),(c))
323
324/*
325 * Bus read region operations.
326 */
327#define bus_space_read_region_1(t, h, o, a, c) \
328 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
329#define bus_space_read_region_2(t, h, o, a, c) \
330 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
331#define bus_space_read_region_4(t, h, o, a, c) \
332 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
333#define bus_space_read_region_8(t, h, o, a, c) \
334 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
335
336#define bus_space_read_region_stream_1 bus_space_read_region_1
337#define bus_space_read_region_stream_2(t, h, o, a, c) \
338 __bs_nonsingle(rr,s_2,(t),(h),(o),(a),(c))
339#define bus_space_read_region_stream_4(t, h, o, a, c) \
340 __bs_nonsingle(rr,s_4,(t),(h),(o),(a),(c))
341#define bus_space_read_region_stream_8(t, h, o, a, c) \
342 __bs_nonsingle(rr,s_8,(t),(h),(o),(a),(c))
343
344/*
345 * Bus write (single) operations.
346 */
347#define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v))
348#define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v))
349#define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v))
350#define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v))
351
352#define bus_space_write_stream_1 bus_space_write_1
353#define bus_space_write_stream_2(t, h, o, v) __bs_ws(s_2,(t),(h),(o),(v))
354#define bus_space_write_stream_4(t, h, o, v) __bs_ws(s_4,(t),(h),(o),(v))
355#define bus_space_write_stream_8(t, h, o, v) __bs_ws(s_8,(t),(h),(o),(v))
356
357/*
358 * Bus write multiple operations.
359 */
360#define bus_space_write_multi_1(t, h, o, a, c) \
361 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
362#define bus_space_write_multi_2(t, h, o, a, c) \
363 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
364#define bus_space_write_multi_4(t, h, o, a, c) \
365 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
366#define bus_space_write_multi_8(t, h, o, a, c) \
367 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
368
369#define bus_space_write_multi_stream_1 bus_space_write_multi_1
370#define bus_space_write_multi_stream_2(t, h, o, a, c) \
371 __bs_nonsingle(wm,s_2,(t),(h),(o),(a),(c))
372#define bus_space_write_multi_stream_4(t, h, o, a, c) \
373 __bs_nonsingle(wm,s_4,(t),(h),(o),(a),(c))
374#define bus_space_write_multi_stream_8(t, h, o, a, c) \
375 __bs_nonsingle(wm,s_8,(t),(h),(o),(a),(c))
376
377/*
378 * Bus write region operations.
379 */
380#define bus_space_write_region_1(t, h, o, a, c) \
381 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
382#define bus_space_write_region_2(t, h, o, a, c) \
383 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
384#define bus_space_write_region_4(t, h, o, a, c) \
385 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
386#define bus_space_write_region_8(t, h, o, a, c) \
387 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
388
389#define bus_space_write_region_stream_1 bus_space_write_region_1
390#define bus_space_write_region_stream_2(t, h, o, a, c) \
391 __bs_nonsingle(wr,s_2,(t),(h),(o),(a),(c))
392#define bus_space_write_region_stream_4(t, h, o, a, c) \
393 __bs_nonsingle(wr,s_4,(t),(h),(o),(a),(c))
394#define bus_space_write_region_stream_8(t, h, o, a, c) \
395 __bs_nonsingle(wr,s_8,(t),(h),(o),(a),(c))
396
397/*
398 * Set multiple operations.
399 */
400#define bus_space_set_multi_1(t, h, o, v, c) \
401 __bs_set(sm,1,(t),(h),(o),(v),(c))
402#define bus_space_set_multi_2(t, h, o, v, c) \
403 __bs_set(sm,2,(t),(h),(o),(v),(c))
404#define bus_space_set_multi_4(t, h, o, v, c) \
405 __bs_set(sm,4,(t),(h),(o),(v),(c))
406#define bus_space_set_multi_8(t, h, o, v, c) \
407 __bs_set(sm,8,(t),(h),(o),(v),(c))
408
409#define bus_space_set_multi_stream_1 bus_space_set_multi_1
410#define bus_space_set_multi_stream_2(t, h, o, v, c) \
411 __bs_set(sm,s_2,(t),(h),(o),(v),(c))
412#define bus_space_set_multi_stream_4(t, h, o, v, c) \
413 __bs_set(sm,s_4,(t),(h),(o),(v),(c))
414#define bus_space_set_multi_stream_8(t, h, o, v, c) \
415 __bs_set(sm,s_8,(t),(h),(o),(v),(c))
416
417/*
418 * Set region operations.
419 */
420#define bus_space_set_region_1(t, h, o, v, c) \
421 __bs_set(sr,1,(t),(h),(o),(v),(c))
422#define bus_space_set_region_2(t, h, o, v, c) \
423 __bs_set(sr,2,(t),(h),(o),(v),(c))
424#define bus_space_set_region_4(t, h, o, v, c) \
425 __bs_set(sr,4,(t),(h),(o),(v),(c))
426#define bus_space_set_region_8(t, h, o, v, c) \
427 __bs_set(sr,8,(t),(h),(o),(v),(c))
428
429#define bus_space_set_region_stream_1 bus_space_set_region_1
430#define bus_space_set_region_stream_2(t, h, o, v, c) \
431 __bs_set(sr,s_2,(t),(h),(o),(v),(c))
432#define bus_space_set_region_stream_4(t, h, o, v, c) \
433 __bs_set(sr,s_4,(t),(h),(o),(v),(c))
434#define bus_space_set_region_stream_8(t, h, o, v, c) \
435 __bs_set(sr,s_8,(t),(h),(o),(v),(c))
436
437#if 0
438/*
439 * Copy operations.
440 */
441#define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \
442 __bs_copy(1, t, h1, o1, h2, o2, c)
443#define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \
444 __bs_copy(2, t, h1, o1, h2, o2, c)
445#define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \
446 __bs_copy(4, t, h1, o1, h2, o2, c)
447#define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \
448 __bs_copy(8, t, h1, o1, h2, o2, c)
449
450#define bus_space_copy_region_stream_1 bus_space_copy_region_1
451#define bus_space_copy_region_stream_2(t, h1, o1, h2, o2, c) \
452 __bs_copy(s_2, t, h1, o1, h2, o2, c)
453#define bus_space_copy_region_stream_4(t, h1, o1, h2, o2, c) \
454 __bs_copy(s_4, t, h1, o1, h2, o2, c)
455#define bus_space_copy_region_stream_8(t, h1, o1, h2, o2, c) \
456 __bs_copy(s_8, t, h1, o1, h2, o2, c)
457#endif
458
459#include <machine/bus_dma.h>
460
461#endif /* _MACHINE_BUS_H_ */
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
--- 49 unchanged lines hidden (view full) ---
62 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
63 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
64 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
65 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
66 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
67 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
68 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69 *
70 * $FreeBSD: head/sys/powerpc/include/bus.h 174782 2007-12-19 18:00:50Z marcel $
71 */
72
73#ifndef _MACHINE_BUS_H_
74#define _MACHINE_BUS_H_
75
76#include <machine/_bus.h>
77
78#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
79
80#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
81#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
82#define BUS_SPACE_MAXADDR 0xFFFFFFFF
83#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
84#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
85#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
86
87#define BUS_SPACE_MAP_CACHEABLE 0x01
88#define BUS_SPACE_MAP_LINEAR 0x02
89#define BUS_SPACE_MAP_PREFETCHABLE 0x04
90
91#define BUS_SPACE_UNRESTRICTED (~0)
92
93#define BUS_SPACE_BARRIER_READ 0x01
94#define BUS_SPACE_BARRIER_WRITE 0x02
95
96struct bus_space_access;
97
98struct bus_space {
99 /* mapping/unmapping */
100 int (*bs_map)(bus_addr_t, bus_size_t, int,
101 bus_space_handle_t *);
102 void (*bs_unmap)(bus_size_t);
103 int (*bs_subregion)(bus_space_handle_t, bus_size_t,
104 bus_size_t, bus_space_handle_t *);
105
106 /* allocation/deallocation */
107 int (*bs_alloc)(bus_addr_t, bus_addr_t, bus_size_t,
108 bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *);
109 void (*bs_free)(bus_space_handle_t, bus_size_t);
110
111 void (*bs_barrier)(bus_space_handle_t, bus_size_t,
112 bus_size_t, int);
113
114 /* Read single. */
115 uint8_t (*bs_r_1)(bus_space_handle_t, bus_size_t);
116 uint16_t (*bs_r_2)(bus_space_handle_t, bus_size_t);
117 uint32_t (*bs_r_4)(bus_space_handle_t, bus_size_t);
118 uint64_t (*bs_r_8)(bus_space_handle_t, bus_size_t);
119
120 uint16_t (*bs_r_s_2)(bus_space_handle_t, bus_size_t);
121 uint32_t (*bs_r_s_4)(bus_space_handle_t, bus_size_t);
122 uint64_t (*bs_r_s_8)(bus_space_handle_t, bus_size_t);
123
124 /* read multiple */
125 void (*bs_rm_1)(bus_space_handle_t, bus_size_t, uint8_t *,
126 bus_size_t);
127 void (*bs_rm_2)(bus_space_handle_t, bus_size_t, uint16_t *,
128 bus_size_t);
129 void (*bs_rm_4)(bus_space_handle_t, bus_size_t, uint32_t *,
130 bus_size_t);
131 void (*bs_rm_8)(bus_space_handle_t, bus_size_t, uint64_t *,
132 bus_size_t);
133
134 void (*bs_rm_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
135 bus_size_t);
136 void (*bs_rm_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
137 bus_size_t);
138 void (*bs_rm_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
139 bus_size_t);
140
141 /* read region */
142 void (*bs_rr_1)(bus_space_handle_t, bus_size_t, uint8_t *,
143 bus_size_t);
144 void (*bs_rr_2)(bus_space_handle_t, bus_size_t, uint16_t *,
145 bus_size_t);
146 void (*bs_rr_4)(bus_space_handle_t, bus_size_t, uint32_t *,
147 bus_size_t);
148 void (*bs_rr_8)(bus_space_handle_t, bus_size_t, uint64_t *,
149 bus_size_t);
150
151 void (*bs_rr_s_2)(bus_space_handle_t, bus_size_t, uint16_t *,
152 bus_size_t);
153 void (*bs_rr_s_4)(bus_space_handle_t, bus_size_t, uint32_t *,
154 bus_size_t);
155 void (*bs_rr_s_8)(bus_space_handle_t, bus_size_t, uint64_t *,
156 bus_size_t);
157
158 /* write */
159 void (*bs_w_1)(bus_space_handle_t, bus_size_t, uint8_t);
160 void (*bs_w_2)(bus_space_handle_t, bus_size_t, uint16_t);
161 void (*bs_w_4)(bus_space_handle_t, bus_size_t, uint32_t);
162 void (*bs_w_8)(bus_space_handle_t, bus_size_t, uint64_t);
163
164 void (*bs_w_s_2)(bus_space_handle_t, bus_size_t, uint16_t);
165 void (*bs_w_s_4)(bus_space_handle_t, bus_size_t, uint32_t);
166 void (*bs_w_s_8)(bus_space_handle_t, bus_size_t, uint64_t);
167
168 /* write multiple */
169 void (*bs_wm_1)(bus_space_handle_t, bus_size_t,
170 const uint8_t *, bus_size_t);
171 void (*bs_wm_2)(bus_space_handle_t, bus_size_t,
172 const uint16_t *, bus_size_t);
173 void (*bs_wm_4)(bus_space_handle_t, bus_size_t,
174 const uint32_t *, bus_size_t);
175 void (*bs_wm_8)(bus_space_handle_t, bus_size_t,
176 const uint64_t *, bus_size_t);
177
178 void (*bs_wm_s_2)(bus_space_handle_t, bus_size_t,
179 const uint16_t *, bus_size_t);
180 void (*bs_wm_s_4)(bus_space_handle_t, bus_size_t,
181 const uint32_t *, bus_size_t);
182 void (*bs_wm_s_8)(bus_space_handle_t, bus_size_t,
183 const uint64_t *, bus_size_t);
184
185 /* write region */
186 void (*bs_wr_1)(bus_space_handle_t, bus_size_t,
187 const uint8_t *, bus_size_t);
188 void (*bs_wr_2)(bus_space_handle_t, bus_size_t,
189 const uint16_t *, bus_size_t);
190 void (*bs_wr_4)(bus_space_handle_t, bus_size_t,
191 const uint32_t *, bus_size_t);
192 void (*bs_wr_8)(bus_space_handle_t, bus_size_t,
193 const uint64_t *, bus_size_t);
194
195 void (*bs_wr_s_2)(bus_space_handle_t, bus_size_t,
196 const uint16_t *, bus_size_t);
197 void (*bs_wr_s_4)(bus_space_handle_t, bus_size_t,
198 const uint32_t *, bus_size_t);
199 void (*bs_wr_s_8)(bus_space_handle_t, bus_size_t,
200 const uint64_t *, bus_size_t);
201
202 /* set multiple */
203 void (*bs_sm_1)(bus_space_handle_t, bus_size_t, uint8_t,
204 bus_size_t);
205 void (*bs_sm_2)(bus_space_handle_t, bus_size_t, uint16_t,
206 bus_size_t);
207 void (*bs_sm_4)(bus_space_handle_t, bus_size_t, uint32_t,
208 bus_size_t);
209 void (*bs_sm_8)(bus_space_handle_t, bus_size_t, uint64_t,
210 bus_size_t);
211
212 void (*bs_sm_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
213 bus_size_t);
214 void (*bs_sm_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
215 bus_size_t);
216 void (*bs_sm_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
217 bus_size_t);
218
219 /* set region */
220 void (*bs_sr_1)(bus_space_handle_t, bus_size_t, uint8_t,
221 bus_size_t);
222 void (*bs_sr_2)(bus_space_handle_t, bus_size_t, uint16_t,
223 bus_size_t);
224 void (*bs_sr_4)(bus_space_handle_t, bus_size_t, uint32_t,
225 bus_size_t);
226 void (*bs_sr_8)(bus_space_handle_t, bus_size_t, uint64_t,
227 bus_size_t);
228
229 void (*bs_sr_s_2)(bus_space_handle_t, bus_size_t, uint16_t,
230 bus_size_t);
231 void (*bs_sr_s_4)(bus_space_handle_t, bus_size_t, uint32_t,
232 bus_size_t);
233 void (*bs_sr_s_8)(bus_space_handle_t, bus_size_t, uint64_t,
234 bus_size_t);
235
236 /* copy region */
237 void (*bs_cr_1)(bus_space_handle_t, bus_size_t,
238 bus_space_handle_t, bus_size_t, bus_size_t);
239 void (*bs_cr_2)(bus_space_handle_t, bus_size_t,
240 bus_space_handle_t, bus_size_t, bus_size_t);
241 void (*bs_cr_4)(bus_space_handle_t, bus_size_t,
242 bus_space_handle_t, bus_size_t, bus_size_t);
243 void (*bs_cr_8)(bus_space_handle_t, bus_size_t,
244 bus_space_handle_t, bus_size_t, bus_size_t);
245
246 void (*bs_cr_s_2)(bus_space_handle_t, bus_size_t,
247 bus_space_handle_t, bus_size_t, bus_size_t);
248 void (*bs_cr_s_4)(bus_space_handle_t, bus_size_t,
249 bus_space_handle_t, bus_size_t, bus_size_t);
250 void (*bs_cr_s_8)(bus_space_handle_t, bus_size_t,
251 bus_space_handle_t, bus_size_t, bus_size_t);
252};
253
254extern struct bus_space bs_be_tag;
255extern struct bus_space bs_le_tag;
256
257#define __bs_c(a,b) __CONCAT(a,b)
258#define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size)
259
260#define __bs_rs(sz, t, h, o) \
261 (*(t)->__bs_opname(r,sz))(h, o)
262#define __bs_ws(sz, t, h, o, v) \
263 (*(t)->__bs_opname(w,sz))(h, o, v)
264#define __bs_nonsingle(type, sz, t, h, o, a, c) \
265 (*(t)->__bs_opname(type,sz))(h, o, a, c)
266#define __bs_set(type, sz, t, h, o, v, c) \
267 (*(t)->__bs_opname(type,sz))(h, o, v, c)
268#define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \
269 (*(t)->__bs_opname(c,sz))(h1, o1, h2, o2, cnt)
270
271/*
272 * Mapping and unmapping operations.
273 */
274#define bus_space_map(t, a, s, c, hp) (*(t)->bs_map)(a, s, c, hp)
275#define bus_space_unmap(t, h, s) (*(t)->bs_unmap)(h, s)
276#define bus_space_subregion(t, h, o, s, hp) (*(t)->bs_subregion)(h, o, s, hp)
277
278/*
279 * Allocation and deallocation operations.
280 */
281#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \
282 (*(t)->bs_alloc)(rs, re, s, a, b, c, ap, hp)
283#define bus_space_free(t, h, s) \
284 (*(t)->bs_free)(h, s)
285
286/*
287 * Bus barrier operations.
288 */
289#define bus_space_barrier(t, h, o, l, f) (*(t)->bs_barrier)(h, o, l, f)
290
291/*
292 * Bus read (single) operations.
293 */
294#define bus_space_read_1(t, h, o) __bs_rs(1,t,h,o)
295#define bus_space_read_2(t, h, o) __bs_rs(2,t,h,o)
296#define bus_space_read_4(t, h, o) __bs_rs(4,t,h,o)
297#define bus_space_read_8(t, h, o) __bs_rs(8,t,h,o)
298
299#define bus_space_read_stream_1 bus_space_read_1
300#define bus_space_read_stream_2(t, h, o) __bs_rs(s_2,t,h,o)
301#define bus_space_read_stream_4(t, h, o) __bs_rs(s_4,t,h,o)
302#define bus_space_read_stream_8(t, h, o) __bs_rs(s_8,t,h,o)
303
304/*
305 * Bus read multiple operations.
306 */
307#define bus_space_read_multi_1(t, h, o, a, c) \
308 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
309#define bus_space_read_multi_2(t, h, o, a, c) \
310 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
311#define bus_space_read_multi_4(t, h, o, a, c) \
312 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
313#define bus_space_read_multi_8(t, h, o, a, c) \
314 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
315
316#define bus_space_read_multi_stream_1 bus_space_read_multi_1
317#define bus_space_read_multi_stream_2(t, h, o, a, c) \
318 __bs_nonsingle(rm,s_2,(t),(h),(o),(a),(c))
319#define bus_space_read_multi_stream_4(t, h, o, a, c) \
320 __bs_nonsingle(rm,s_4,(t),(h),(o),(a),(c))
321#define bus_space_read_multi_stream_8(t, h, o, a, c) \
322 __bs_nonsingle(rm,s_8,(t),(h),(o),(a),(c))
323
324/*
325 * Bus read region operations.
326 */
327#define bus_space_read_region_1(t, h, o, a, c) \
328 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
329#define bus_space_read_region_2(t, h, o, a, c) \
330 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
331#define bus_space_read_region_4(t, h, o, a, c) \
332 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
333#define bus_space_read_region_8(t, h, o, a, c) \
334 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
335
336#define bus_space_read_region_stream_1 bus_space_read_region_1
337#define bus_space_read_region_stream_2(t, h, o, a, c) \
338 __bs_nonsingle(rr,s_2,(t),(h),(o),(a),(c))
339#define bus_space_read_region_stream_4(t, h, o, a, c) \
340 __bs_nonsingle(rr,s_4,(t),(h),(o),(a),(c))
341#define bus_space_read_region_stream_8(t, h, o, a, c) \
342 __bs_nonsingle(rr,s_8,(t),(h),(o),(a),(c))
343
344/*
345 * Bus write (single) operations.
346 */
347#define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v))
348#define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v))
349#define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v))
350#define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v))
351
352#define bus_space_write_stream_1 bus_space_write_1
353#define bus_space_write_stream_2(t, h, o, v) __bs_ws(s_2,(t),(h),(o),(v))
354#define bus_space_write_stream_4(t, h, o, v) __bs_ws(s_4,(t),(h),(o),(v))
355#define bus_space_write_stream_8(t, h, o, v) __bs_ws(s_8,(t),(h),(o),(v))
356
357/*
358 * Bus write multiple operations.
359 */
360#define bus_space_write_multi_1(t, h, o, a, c) \
361 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
362#define bus_space_write_multi_2(t, h, o, a, c) \
363 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
364#define bus_space_write_multi_4(t, h, o, a, c) \
365 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
366#define bus_space_write_multi_8(t, h, o, a, c) \
367 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
368
369#define bus_space_write_multi_stream_1 bus_space_write_multi_1
370#define bus_space_write_multi_stream_2(t, h, o, a, c) \
371 __bs_nonsingle(wm,s_2,(t),(h),(o),(a),(c))
372#define bus_space_write_multi_stream_4(t, h, o, a, c) \
373 __bs_nonsingle(wm,s_4,(t),(h),(o),(a),(c))
374#define bus_space_write_multi_stream_8(t, h, o, a, c) \
375 __bs_nonsingle(wm,s_8,(t),(h),(o),(a),(c))
376
377/*
378 * Bus write region operations.
379 */
380#define bus_space_write_region_1(t, h, o, a, c) \
381 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
382#define bus_space_write_region_2(t, h, o, a, c) \
383 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
384#define bus_space_write_region_4(t, h, o, a, c) \
385 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
386#define bus_space_write_region_8(t, h, o, a, c) \
387 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
388
389#define bus_space_write_region_stream_1 bus_space_write_region_1
390#define bus_space_write_region_stream_2(t, h, o, a, c) \
391 __bs_nonsingle(wr,s_2,(t),(h),(o),(a),(c))
392#define bus_space_write_region_stream_4(t, h, o, a, c) \
393 __bs_nonsingle(wr,s_4,(t),(h),(o),(a),(c))
394#define bus_space_write_region_stream_8(t, h, o, a, c) \
395 __bs_nonsingle(wr,s_8,(t),(h),(o),(a),(c))
396
397/*
398 * Set multiple operations.
399 */
400#define bus_space_set_multi_1(t, h, o, v, c) \
401 __bs_set(sm,1,(t),(h),(o),(v),(c))
402#define bus_space_set_multi_2(t, h, o, v, c) \
403 __bs_set(sm,2,(t),(h),(o),(v),(c))
404#define bus_space_set_multi_4(t, h, o, v, c) \
405 __bs_set(sm,4,(t),(h),(o),(v),(c))
406#define bus_space_set_multi_8(t, h, o, v, c) \
407 __bs_set(sm,8,(t),(h),(o),(v),(c))
408
409#define bus_space_set_multi_stream_1 bus_space_set_multi_1
410#define bus_space_set_multi_stream_2(t, h, o, v, c) \
411 __bs_set(sm,s_2,(t),(h),(o),(v),(c))
412#define bus_space_set_multi_stream_4(t, h, o, v, c) \
413 __bs_set(sm,s_4,(t),(h),(o),(v),(c))
414#define bus_space_set_multi_stream_8(t, h, o, v, c) \
415 __bs_set(sm,s_8,(t),(h),(o),(v),(c))
416
417/*
418 * Set region operations.
419 */
420#define bus_space_set_region_1(t, h, o, v, c) \
421 __bs_set(sr,1,(t),(h),(o),(v),(c))
422#define bus_space_set_region_2(t, h, o, v, c) \
423 __bs_set(sr,2,(t),(h),(o),(v),(c))
424#define bus_space_set_region_4(t, h, o, v, c) \
425 __bs_set(sr,4,(t),(h),(o),(v),(c))
426#define bus_space_set_region_8(t, h, o, v, c) \
427 __bs_set(sr,8,(t),(h),(o),(v),(c))
428
429#define bus_space_set_region_stream_1 bus_space_set_region_1
430#define bus_space_set_region_stream_2(t, h, o, v, c) \
431 __bs_set(sr,s_2,(t),(h),(o),(v),(c))
432#define bus_space_set_region_stream_4(t, h, o, v, c) \
433 __bs_set(sr,s_4,(t),(h),(o),(v),(c))
434#define bus_space_set_region_stream_8(t, h, o, v, c) \
435 __bs_set(sr,s_8,(t),(h),(o),(v),(c))
436
437#if 0
438/*
439 * Copy operations.
440 */
441#define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \
442 __bs_copy(1, t, h1, o1, h2, o2, c)
443#define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \
444 __bs_copy(2, t, h1, o1, h2, o2, c)
445#define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \
446 __bs_copy(4, t, h1, o1, h2, o2, c)
447#define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \
448 __bs_copy(8, t, h1, o1, h2, o2, c)
449
450#define bus_space_copy_region_stream_1 bus_space_copy_region_1
451#define bus_space_copy_region_stream_2(t, h1, o1, h2, o2, c) \
452 __bs_copy(s_2, t, h1, o1, h2, o2, c)
453#define bus_space_copy_region_stream_4(t, h1, o1, h2, o2, c) \
454 __bs_copy(s_4, t, h1, o1, h2, o2, c)
455#define bus_space_copy_region_stream_8(t, h1, o1, h2, o2, c) \
456 __bs_copy(s_8, t, h1, o1, h2, o2, c)
457#endif
458
459#include <machine/bus_dma.h>
460
461#endif /* _MACHINE_BUS_H_ */