2 * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
7 * NASA Ames Research Center.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
38 * Copyright (c) 1997-1999 Eduardo E. Horvath. All rights reserved.
39 * Copyright (c) 1996 Charles M. Hannum. All rights reserved.
40 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
42 * Redistribution and use in source and binary forms, with or without
43 * modification, are permitted provided that the following conditions
45 * 1. Redistributions of source code must retain the above copyright
46 * notice, this list of conditions and the following disclaimer.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 * notice, this list of conditions and the following disclaimer in the
49 * documentation and/or other materials provided with the distribution.
50 * 3. All advertising materials mentioning features or use of this software
51 * must display the following acknowledgement:
52 * This product includes software developed by Christopher G. Demetriou
53 * for the NetBSD Project.
54 * 4. The name of the author may not be used to endorse or promote products
55 * derived from this software without specific prior written permission
57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
68 * from: NetBSD: bus.h,v 1.28 2001/07/19 15:32:19 thorpej Exp
70 * from: FreeBSD: src/sys/alpha/include/bus.h,v 1.9 2001/01/09
75 #ifndef _MACHINE_BUS_H_
76 #define _MACHINE_BUS_H_
78 #ifdef BUS_SPACE_DEBUG
82 #include <machine/_bus.h>
83 #include <machine/cpufunc.h>
84 #include <machine/upa.h>
87 * Nexus and SBus spaces are non-cached and big endian
88 * (except for RAM and PROM)
90 * PCI spaces are non-cached and little endian
92 #define NEXUS_BUS_SPACE 0
93 #define SBUS_BUS_SPACE 1
94 #define PCI_CONFIG_BUS_SPACE 2
95 #define PCI_IO_BUS_SPACE 3
96 #define PCI_MEMORY_BUS_SPACE 4
97 #define LAST_BUS_SPACE 5
99 extern int bus_type_asi[];
100 extern int bus_stream_asi[];
102 #define __BUS_SPACE_HAS_STREAM_METHODS 1
104 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
105 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
106 #define BUS_SPACE_MAXSIZE 0xFFFFFFFFFFFFFFFF
107 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
108 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
109 #define BUS_SPACE_MAXADDR 0xFFFFFFFF
111 #define BUS_SPACE_UNRESTRICTED (~0)
114 * Access methods for bus resources and address space.
116 struct bus_space_tag {
118 bus_space_tag_t bst_parent;
121 void (*bst_bus_barrier)(bus_space_tag_t, bus_space_handle_t,
122 bus_size_t, bus_size_t, int);
126 * Bus space function prototypes.
128 static void bus_space_barrier(bus_space_tag_t, bus_space_handle_t, bus_size_t,
130 static int bus_space_subregion(bus_space_tag_t, bus_space_handle_t,
131 bus_size_t, bus_size_t, bus_space_handle_t *);
134 * Map a region of device bus space into CPU virtual address space.
137 static __inline int bus_space_map(bus_space_tag_t t, bus_addr_t addr,
138 bus_size_t size, int flags,
139 bus_space_handle_t *bshp);
142 bus_space_map(bus_space_tag_t t __unused, bus_addr_t addr,
143 bus_size_t size __unused, int flags __unused,
144 bus_space_handle_t *bshp)
152 * Unmap a region of device bus space.
154 static __inline void bus_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh,
158 bus_space_unmap(bus_space_tag_t t __unused, bus_space_handle_t bsh __unused,
159 bus_size_t size __unused)
163 /* This macro finds the first "upstream" implementation of method `f' */
164 #define _BS_CALL(t,f) \
165 while (t->f == NULL) \
170 bus_space_barrier(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
173 _BS_CALL(t, bst_bus_barrier)(t, h, o, s, f);
177 bus_space_subregion(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
178 bus_size_t s, bus_space_handle_t *hp)
184 /* flags for bus space map functions */
185 #define BUS_SPACE_MAP_CACHEABLE 0x0001
186 #define BUS_SPACE_MAP_LINEAR 0x0002
187 #define BUS_SPACE_MAP_READONLY 0x0004
188 #define BUS_SPACE_MAP_PREFETCHABLE 0x0008
189 /* placeholders for bus functions... */
190 #define BUS_SPACE_MAP_BUS1 0x0100
191 #define BUS_SPACE_MAP_BUS2 0x0200
192 #define BUS_SPACE_MAP_BUS3 0x0400
193 #define BUS_SPACE_MAP_BUS4 0x0800
195 /* flags for bus_space_barrier() */
196 #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
197 #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
199 #ifdef BUS_SPACE_DEBUG
200 #define KTR_BUS KTR_CT2
201 #define BUS_HANDLE_MIN UPA_MEMSTART
202 #define __BUS_DEBUG_ACCESS(h, o, desc, sz) do { \
203 CTR4(KTR_BUS, "bus space: %s %d: handle %#lx, offset %#lx", \
204 (desc), (sz), (h), (o)); \
205 if ((h) + (o) < BUS_HANDLE_MIN) \
206 panic("bus space access at %#lx out of range", \
210 #define __BUS_DEBUG_ACCESS(h, o, desc, sz)
213 static __inline uint8_t
214 bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
217 __BUS_DEBUG_ACCESS(h, o, "read", 1);
218 return (lduba_nc((caddr_t)(h + o), bus_type_asi[t->bst_type]));
221 static __inline uint16_t
222 bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
225 __BUS_DEBUG_ACCESS(h, o, "read", 2);
226 return (lduha_nc((caddr_t)(h + o), bus_type_asi[t->bst_type]));
229 static __inline uint32_t
230 bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
233 __BUS_DEBUG_ACCESS(h, o, "read", 4);
234 return (lduwa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type]));
237 static __inline uint64_t
238 bus_space_read_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
241 __BUS_DEBUG_ACCESS(h, o, "read", 8);
242 return (ldxa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type]));
246 bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
247 uint8_t *a, size_t c)
251 *a++ = bus_space_read_1(t, h, o);
255 bus_space_read_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
256 uint16_t *a, size_t c)
260 *a++ = bus_space_read_2(t, h, o);
264 bus_space_read_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
265 uint32_t *a, size_t c)
269 *a++ = bus_space_read_4(t, h, o);
273 bus_space_read_multi_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
274 uint64_t *a, size_t c)
278 *a++ = bus_space_read_8(t, h, o);
282 bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
286 __BUS_DEBUG_ACCESS(h, o, "write", 1);
287 stba_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v);
291 bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
295 __BUS_DEBUG_ACCESS(h, o, "write", 2);
296 stha_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v);
300 bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
304 __BUS_DEBUG_ACCESS(h, o, "write", 4);
305 stwa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v);
309 bus_space_write_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
313 __BUS_DEBUG_ACCESS(h, o, "write", 8);
314 stxa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v);
318 bus_space_write_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
319 uint8_t *a, size_t c)
323 bus_space_write_1(t, h, o, *a++);
327 bus_space_write_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
328 uint16_t *a, size_t c)
332 bus_space_write_2(t, h, o, *a++);
336 bus_space_write_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
337 uint32_t *a, size_t c)
341 bus_space_write_4(t, h, o, *a++);
345 bus_space_write_multi_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
346 uint64_t *a, size_t c)
350 bus_space_write_8(t, h, o, *a++);
354 bus_space_set_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
359 bus_space_write_1(t, h, o, v);
363 bus_space_set_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
364 uint16_t v, size_t c)
368 bus_space_write_2(t, h, o, v);
372 bus_space_set_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
373 uint32_t v, size_t c)
377 bus_space_write_4(t, h, o, v);
381 bus_space_set_multi_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
382 uint64_t v, size_t c)
386 bus_space_write_8(t, h, o, v);
390 bus_space_read_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
391 u_int8_t *a, bus_size_t c)
393 for (; c; a++, c--, o++)
394 *a = bus_space_read_1(t, h, o);
398 bus_space_read_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
399 u_int16_t *a, bus_size_t c)
401 for (; c; a++, c--, o+=2)
402 *a = bus_space_read_2(t, h, o);
406 bus_space_read_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
407 u_int32_t *a, bus_size_t c)
409 for (; c; a++, c--, o+=4)
410 *a = bus_space_read_4(t, h, o);
414 bus_space_read_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
415 u_int64_t *a, bus_size_t c)
417 for (; c; a++, c--, o+=8)
418 *a = bus_space_read_8(t, h, o);
422 bus_space_write_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
423 const u_int8_t *a, bus_size_t c)
425 for (; c; a++, c--, o++)
426 bus_space_write_1(t, h, o, *a);
430 bus_space_write_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
431 const u_int16_t *a, bus_size_t c)
433 for (; c; a++, c--, o+=2)
434 bus_space_write_2(t, h, o, *a);
438 bus_space_write_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
439 const u_int32_t *a, bus_size_t c)
441 for (; c; a++, c--, o+=4)
442 bus_space_write_4(t, h, o, *a);
446 bus_space_write_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
447 const u_int64_t *a, bus_size_t c)
449 for (; c; a++, c--, o+=8)
450 bus_space_write_8(t, h, o, *a);
454 bus_space_set_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
455 const u_int8_t v, bus_size_t c)
458 bus_space_write_1(t, h, o, v);
462 bus_space_set_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
463 const u_int16_t v, bus_size_t c)
466 bus_space_write_2(t, h, o, v);
470 bus_space_set_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
471 const u_int32_t v, bus_size_t c)
474 bus_space_write_4(t, h, o, v);
478 bus_space_set_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
479 const u_int64_t v, bus_size_t c)
482 bus_space_write_8(t, h, o, v);
486 bus_space_copy_region_1(bus_space_tag_t t, bus_space_handle_t h1,
487 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
489 for (; c; c--, o1++, o2++)
490 bus_space_write_1(t, h1, o1, bus_space_read_1(t, h2, o2));
494 bus_space_copy_region_2(bus_space_tag_t t, bus_space_handle_t h1,
495 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
497 for (; c; c--, o1+=2, o2+=2)
498 bus_space_write_2(t, h1, o1, bus_space_read_2(t, h2, o2));
502 bus_space_copy_region_4(bus_space_tag_t t, bus_space_handle_t h1,
503 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
505 for (; c; c--, o1+=4, o2+=4)
506 bus_space_write_4(t, h1, o1, bus_space_read_4(t, h2, o2));
510 bus_space_copy_region_8(bus_space_tag_t t, bus_space_handle_t h1,
511 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
513 for (; c; c--, o1+=8, o2+=8)
514 bus_space_write_8(t, h1, o1, bus_space_read_8(t, h2, o2));
517 static __inline uint8_t
518 bus_space_read_stream_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
521 __BUS_DEBUG_ACCESS(h, o, "read stream", 1);
522 return (lduba_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type]));
525 static __inline uint16_t
526 bus_space_read_stream_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
529 __BUS_DEBUG_ACCESS(h, o, "read stream", 2);
530 return (lduha_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type]));
533 static __inline uint32_t
534 bus_space_read_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
537 __BUS_DEBUG_ACCESS(h, o, "read stream", 4);
538 return (lduwa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type]));
541 static __inline uint64_t
542 bus_space_read_stream_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)
545 __BUS_DEBUG_ACCESS(h, o, "read stream", 8);
546 return (ldxa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type]));
550 bus_space_read_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h,
551 bus_size_t o, uint8_t *a, size_t c)
555 *a++ = bus_space_read_stream_1(t, h, o);
559 bus_space_read_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h,
560 bus_size_t o, uint16_t *a, size_t c)
564 *a++ = bus_space_read_stream_2(t, h, o);
568 bus_space_read_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h,
569 bus_size_t o, uint32_t *a, size_t c)
573 *a++ = bus_space_read_stream_4(t, h, o);
577 bus_space_read_multi_stream_8(bus_space_tag_t t, bus_space_handle_t h,
578 bus_size_t o, uint64_t *a, size_t c)
582 *a++ = bus_space_read_stream_8(t, h, o);
586 bus_space_write_stream_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
590 __BUS_DEBUG_ACCESS(h, o, "write stream", 1);
591 stba_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v);
595 bus_space_write_stream_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
599 __BUS_DEBUG_ACCESS(h, o, "write stream", 2);
600 stha_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v);
604 bus_space_write_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
608 __BUS_DEBUG_ACCESS(h, o, "write stream", 4);
609 stwa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v);
613 bus_space_write_stream_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
617 __BUS_DEBUG_ACCESS(h, o, "write stream", 8);
618 stxa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v);
622 bus_space_write_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h,
623 bus_size_t o, const uint8_t *a, size_t c)
627 bus_space_write_stream_1(t, h, o, *a++);
631 bus_space_write_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h,
632 bus_size_t o, const uint16_t *a, size_t c)
636 bus_space_write_stream_2(t, h, o, *a++);
640 bus_space_write_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h,
641 bus_size_t o, const uint32_t *a, size_t c)
645 bus_space_write_stream_4(t, h, o, *a++);
649 bus_space_write_multi_stream_8(bus_space_tag_t t, bus_space_handle_t h,
650 bus_size_t o, const uint64_t *a, size_t c)
654 bus_space_write_stream_8(t, h, o, *a++);
658 bus_space_set_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h,
659 bus_size_t o, uint8_t v, size_t c)
663 bus_space_write_stream_1(t, h, o, v);
667 bus_space_set_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h,
668 bus_size_t o, uint16_t v, size_t c)
672 bus_space_write_stream_2(t, h, o, v);
676 bus_space_set_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h,
677 bus_size_t o, uint32_t v, size_t c)
681 bus_space_write_stream_4(t, h, o, v);
685 bus_space_set_multi_stream_8(bus_space_tag_t t, bus_space_handle_t h,
686 bus_size_t o, uint64_t v, size_t c)
690 bus_space_write_stream_8(t, h, o, v);
694 bus_space_read_region_stream_1(bus_space_tag_t t, bus_space_handle_t h,
695 bus_size_t o, u_int8_t *a, bus_size_t c)
698 for (; c; a++, c--, o++)
699 *a = bus_space_read_stream_1(t, h, o);
703 bus_space_read_region_stream_2(bus_space_tag_t t, bus_space_handle_t h,
704 bus_size_t o, u_int16_t *a, bus_size_t c)
707 for (; c; a++, c--, o+=2)
708 *a = bus_space_read_stream_2(t, h, o);
712 bus_space_read_region_stream_4(bus_space_tag_t t, bus_space_handle_t h,
713 bus_size_t o, u_int32_t *a, bus_size_t c)
716 for (; c; a++, c--, o+=4)
717 *a = bus_space_read_stream_4(t, h, o);
721 bus_space_read_region_stream_8(bus_space_tag_t t, bus_space_handle_t h,
722 bus_size_t o, u_int64_t *a, bus_size_t c)
725 for (; c; a++, c--, o+=8)
726 *a = bus_space_read_stream_8(t, h, o);
730 bus_space_write_region_stream_1(bus_space_tag_t t, bus_space_handle_t h,
731 bus_size_t o, const u_int8_t *a, bus_size_t c)
734 for (; c; a++, c--, o++)
735 bus_space_write_stream_1(t, h, o, *a);
739 bus_space_write_region_stream_2(bus_space_tag_t t, bus_space_handle_t h,
740 bus_size_t o, const u_int16_t *a, bus_size_t c)
743 for (; c; a++, c--, o+=2)
744 bus_space_write_stream_2(t, h, o, *a);
748 bus_space_write_region_stream_4(bus_space_tag_t t, bus_space_handle_t h,
749 bus_size_t o, const u_int32_t *a, bus_size_t c)
752 for (; c; a++, c--, o+=4)
753 bus_space_write_stream_4(t, h, o, *a);
757 bus_space_write_region_stream_8(bus_space_tag_t t, bus_space_handle_t h,
758 bus_size_t o, const u_int64_t *a, bus_size_t c)
761 for (; c; a++, c--, o+=8)
762 bus_space_write_stream_8(t, h, o, *a);
766 bus_space_set_region_stream_1(bus_space_tag_t t, bus_space_handle_t h,
767 bus_size_t o, const u_int8_t v, bus_size_t c)
771 bus_space_write_stream_1(t, h, o, v);
775 bus_space_set_region_stream_2(bus_space_tag_t t, bus_space_handle_t h,
776 bus_size_t o, const u_int16_t v, bus_size_t c)
780 bus_space_write_stream_2(t, h, o, v);
784 bus_space_set_region_stream_4(bus_space_tag_t t, bus_space_handle_t h,
785 bus_size_t o, const u_int32_t v, bus_size_t c)
789 bus_space_write_stream_4(t, h, o, v);
793 bus_space_set_region_stream_8(bus_space_tag_t t, bus_space_handle_t h,
794 bus_size_t o, const u_int64_t v, bus_size_t c)
798 bus_space_write_stream_8(t, h, o, v);
802 bus_space_copy_region_stream_1(bus_space_tag_t t, bus_space_handle_t h1,
803 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
806 for (; c; c--, o1++, o2++)
807 bus_space_write_stream_1(t, h1, o1, bus_space_read_stream_1(t, h2,
812 bus_space_copy_region_stream_2(bus_space_tag_t t, bus_space_handle_t h1,
813 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
816 for (; c; c--, o1+=2, o2+=2)
817 bus_space_write_stream_2(t, h1, o1, bus_space_read_stream_2(t, h2,
822 bus_space_copy_region_stream_4(bus_space_tag_t t, bus_space_handle_t h1,
823 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
826 for (; c; c--, o1+=4, o2+=4)
827 bus_space_write_stream_4(t, h1, o1, bus_space_read_stream_4(t, h2,
832 bus_space_copy_region_stream_8(bus_space_tag_t t, bus_space_handle_t h1,
833 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
836 for (; c; c--, o1+=8, o2+=8)
837 bus_space_write_stream_8(t, h1, o1, bus_space_read_8(t, h2, o2));
840 #include <machine/bus_dma.h>
842 #endif /* !_MACHINE_BUS_H_ */