Annotation of sys/arch/arm/include/bus.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: bus.h,v 1.8 2007/04/10 18:22:08 miod Exp $ */
2: /* $NetBSD: bus.h,v 1.12 2003/10/23 15:03:24 scw Exp $ */
3:
4: /*-
5: * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10: * NASA Ames Research Center.
11: *
12: * Redistribution and use in source and binary forms, with or without
13: * modification, are permitted provided that the following conditions
14: * are met:
15: * 1. Redistributions of source code must retain the above copyright
16: * notice, this list of conditions and the following disclaimer.
17: * 2. Redistributions in binary form must reproduce the above copyright
18: * notice, this list of conditions and the following disclaimer in the
19: * documentation and/or other materials provided with the distribution.
20: * 3. All advertising materials mentioning features or use of this software
21: * must display the following acknowledgement:
22: * This product includes software developed by the NetBSD
23: * Foundation, Inc. and its contributors.
24: * 4. Neither the name of The NetBSD Foundation nor the names of its
25: * contributors may be used to endorse or promote products derived
26: * from this software without specific prior written permission.
27: *
28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38: * POSSIBILITY OF SUCH DAMAGE.
39: */
40:
41: /*
42: * Copyright (c) 1996 Charles M. Hannum. All rights reserved.
43: * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
44: *
45: * Redistribution and use in source and binary forms, with or without
46: * modification, are permitted provided that the following conditions
47: * are met:
48: * 1. Redistributions of source code must retain the above copyright
49: * notice, this list of conditions and the following disclaimer.
50: * 2. Redistributions in binary form must reproduce the above copyright
51: * notice, this list of conditions and the following disclaimer in the
52: * documentation and/or other materials provided with the distribution.
53: * 3. All advertising materials mentioning features or use of this software
54: * must display the following acknowledgement:
55: * This product includes software developed by Christopher G. Demetriou
56: * for the NetBSD Project.
57: * 4. The name of the author may not be used to endorse or promote products
58: * derived from this software without specific prior written permission
59: *
60: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
61: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
62: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
63: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
64: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
65: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
66: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
67: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
68: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
69: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
70: */
71:
72: #ifndef _ARM32_BUS_H_
73: #define _ARM32_BUS_H_
74:
75: /*
76: * Addresses (in bus space).
77: */
78: typedef u_long bus_addr_t;
79: typedef u_long bus_size_t;
80:
81: /*
82: * Access methods for bus space.
83: */
84: typedef struct bus_space *bus_space_tag_t;
85: typedef u_long bus_space_handle_t;
86:
87: /*
88: * int bus_space_map (bus_space_tag_t t, bus_addr_t addr,
89: * bus_size_t size, int flags, bus_space_handle_t *bshp);
90: *
91: * Map a region of bus space.
92: */
93:
94: #define BUS_SPACE_MAP_CACHEABLE 0x01
95: #define BUS_SPACE_MAP_LINEAR 0x02
96: #define BUS_SPACE_MAP_PREFETCHABLE 0x04
97:
98: struct bus_space {
99: /* cookie */
100: void *bs_cookie;
101:
102: /* mapping/unmapping */
103: int (*bs_map) (void *, bus_addr_t, bus_size_t,
104: int, bus_space_handle_t *);
105: void (*bs_unmap) (void *, bus_space_handle_t,
106: bus_size_t);
107: int (*bs_subregion) (void *, bus_space_handle_t,
108: bus_size_t, bus_size_t, bus_space_handle_t *);
109:
110: /* allocation/deallocation */
111: int (*bs_alloc) (void *, bus_addr_t, bus_addr_t,
112: bus_size_t, bus_size_t, bus_size_t, int,
113: bus_addr_t *, bus_space_handle_t *);
114: void (*bs_free) (void *, bus_space_handle_t,
115: bus_size_t);
116:
117: /* get kernel virtual address */
118: void * (*bs_vaddr) (void *, bus_space_handle_t);
119:
120: /* mmap bus space for user */
121: paddr_t (*bs_mmap) (void *, bus_addr_t, off_t, int, int);
122:
123: /* barrier */
124: void (*bs_barrier) (void *, bus_space_handle_t,
125: bus_size_t, bus_size_t, int);
126:
127: /* read (single) */
128: u_int8_t (*bs_r_1) (void *, bus_space_handle_t,
129: bus_size_t);
130: u_int16_t (*bs_r_2) (void *, bus_space_handle_t,
131: bus_size_t);
132: u_int32_t (*bs_r_4) (void *, bus_space_handle_t,
133: bus_size_t);
134: u_int64_t (*bs_r_8) (void *, bus_space_handle_t,
135: bus_size_t);
136:
137: /* read multiple */
138: void (*bs_rm_1) (void *, bus_space_handle_t,
139: bus_size_t, u_int8_t *, bus_size_t);
140: void (*bs_rm_2) (void *, bus_space_handle_t,
141: bus_size_t, u_int16_t *, bus_size_t);
142: void (*bs_rm_4) (void *, bus_space_handle_t,
143: bus_size_t, u_int32_t *, bus_size_t);
144: void (*bs_rm_8) (void *, bus_space_handle_t,
145: bus_size_t, u_int64_t *, bus_size_t);
146:
147: /* read region */
148: void (*bs_rr_1) (void *, bus_space_handle_t,
149: bus_size_t, u_int8_t *, bus_size_t);
150: void (*bs_rr_2) (void *, bus_space_handle_t,
151: bus_size_t, u_int16_t *, bus_size_t);
152: void (*bs_rr_4) (void *, bus_space_handle_t,
153: bus_size_t, u_int32_t *, bus_size_t);
154: void (*bs_rr_8) (void *, bus_space_handle_t,
155: bus_size_t, u_int64_t *, bus_size_t);
156:
157: /* write (single) */
158: void (*bs_w_1) (void *, bus_space_handle_t,
159: bus_size_t, u_int8_t);
160: void (*bs_w_2) (void *, bus_space_handle_t,
161: bus_size_t, u_int16_t);
162: void (*bs_w_4) (void *, bus_space_handle_t,
163: bus_size_t, u_int32_t);
164: void (*bs_w_8) (void *, bus_space_handle_t,
165: bus_size_t, u_int64_t);
166:
167: /* write multiple */
168: void (*bs_wm_1) (void *, bus_space_handle_t,
169: bus_size_t, const u_int8_t *, bus_size_t);
170: void (*bs_wm_2) (void *, bus_space_handle_t,
171: bus_size_t, const u_int16_t *, bus_size_t);
172: void (*bs_wm_4) (void *, bus_space_handle_t,
173: bus_size_t, const u_int32_t *, bus_size_t);
174: void (*bs_wm_8) (void *, bus_space_handle_t,
175: bus_size_t, const u_int64_t *, bus_size_t);
176:
177: /* write region */
178: void (*bs_wr_1) (void *, bus_space_handle_t,
179: bus_size_t, const u_int8_t *, bus_size_t);
180: void (*bs_wr_2) (void *, bus_space_handle_t,
181: bus_size_t, const u_int16_t *, bus_size_t);
182: void (*bs_wr_4) (void *, bus_space_handle_t,
183: bus_size_t, const u_int32_t *, bus_size_t);
184: void (*bs_wr_8) (void *, bus_space_handle_t,
185: bus_size_t, const u_int64_t *, bus_size_t);
186:
187: /* set multiple */
188: void (*bs_sm_1) (void *, bus_space_handle_t,
189: bus_size_t, u_int8_t, bus_size_t);
190: void (*bs_sm_2) (void *, bus_space_handle_t,
191: bus_size_t, u_int16_t, bus_size_t);
192: void (*bs_sm_4) (void *, bus_space_handle_t,
193: bus_size_t, u_int32_t, bus_size_t);
194: void (*bs_sm_8) (void *, bus_space_handle_t,
195: bus_size_t, u_int64_t, bus_size_t);
196:
197: /* set region */
198: void (*bs_sr_1) (void *, bus_space_handle_t,
199: bus_size_t, u_int8_t, bus_size_t);
200: void (*bs_sr_2) (void *, bus_space_handle_t,
201: bus_size_t, u_int16_t, bus_size_t);
202: void (*bs_sr_4) (void *, bus_space_handle_t,
203: bus_size_t, u_int32_t, bus_size_t);
204: void (*bs_sr_8) (void *, bus_space_handle_t,
205: bus_size_t, u_int64_t, bus_size_t);
206:
207: /* copy */
208: void (*bs_c_1) (void *, bus_space_handle_t, bus_size_t,
209: bus_space_handle_t, bus_size_t, bus_size_t);
210: void (*bs_c_2) (void *, bus_space_handle_t, bus_size_t,
211: bus_space_handle_t, bus_size_t, bus_size_t);
212: void (*bs_c_4) (void *, bus_space_handle_t, bus_size_t,
213: bus_space_handle_t, bus_size_t, bus_size_t);
214: void (*bs_c_8) (void *, bus_space_handle_t, bus_size_t,
215: bus_space_handle_t, bus_size_t, bus_size_t);
216:
217: #ifdef __BUS_SPACE_HAS_STREAM_METHODS
218: /* read stream (single) */
219: u_int8_t (*bs_r_1_s) (void *, bus_space_handle_t,
220: bus_size_t);
221: u_int16_t (*bs_r_2_s) (void *, bus_space_handle_t,
222: bus_size_t);
223: u_int32_t (*bs_r_4_s) (void *, bus_space_handle_t,
224: bus_size_t);
225: u_int64_t (*bs_r_8_s) (void *, bus_space_handle_t,
226: bus_size_t);
227:
228: /* read multiple stream */
229: void (*bs_rm_1_s) (void *, bus_space_handle_t,
230: bus_size_t, u_int8_t *, bus_size_t);
231: void (*bs_rm_2_s) (void *, bus_space_handle_t,
232: bus_size_t, u_int16_t *, bus_size_t);
233: void (*bs_rm_4_s) (void *, bus_space_handle_t,
234: bus_size_t, u_int32_t *, bus_size_t);
235: void (*bs_rm_8_s) (void *, bus_space_handle_t,
236: bus_size_t, u_int64_t *, bus_size_t);
237:
238: /* read region stream */
239: void (*bs_rr_1_s) (void *, bus_space_handle_t,
240: bus_size_t, u_int8_t *, bus_size_t);
241: void (*bs_rr_2_s) (void *, bus_space_handle_t,
242: bus_size_t, u_int16_t *, bus_size_t);
243: void (*bs_rr_4_s) (void *, bus_space_handle_t,
244: bus_size_t, u_int32_t *, bus_size_t);
245: void (*bs_rr_8_s) (void *, bus_space_handle_t,
246: bus_size_t, u_int64_t *, bus_size_t);
247:
248: /* write stream (single) */
249: void (*bs_w_1_s) (void *, bus_space_handle_t,
250: bus_size_t, u_int8_t);
251: void (*bs_w_2_s) (void *, bus_space_handle_t,
252: bus_size_t, u_int16_t);
253: void (*bs_w_4_s) (void *, bus_space_handle_t,
254: bus_size_t, u_int32_t);
255: void (*bs_w_8_s) (void *, bus_space_handle_t,
256: bus_size_t, u_int64_t);
257:
258: /* write multiple stream */
259: void (*bs_wm_1_s) (void *, bus_space_handle_t,
260: bus_size_t, const u_int8_t *, bus_size_t);
261: void (*bs_wm_2_s) (void *, bus_space_handle_t,
262: bus_size_t, const u_int16_t *, bus_size_t);
263: void (*bs_wm_4_s) (void *, bus_space_handle_t,
264: bus_size_t, const u_int32_t *, bus_size_t);
265: void (*bs_wm_8_s) (void *, bus_space_handle_t,
266: bus_size_t, const u_int64_t *, bus_size_t);
267:
268: /* write region stream */
269: void (*bs_wr_1_s) (void *, bus_space_handle_t,
270: bus_size_t, const u_int8_t *, bus_size_t);
271: void (*bs_wr_2_s) (void *, bus_space_handle_t,
272: bus_size_t, const u_int16_t *, bus_size_t);
273: void (*bs_wr_4_s) (void *, bus_space_handle_t,
274: bus_size_t, const u_int32_t *, bus_size_t);
275: void (*bs_wr_8_s) (void *, bus_space_handle_t,
276: bus_size_t, const u_int64_t *, bus_size_t);
277: #endif /* __BUS_SPACE_HAS_STREAM_METHODS */
278: };
279:
280:
281: /*
282: * Utility macros; INTERNAL USE ONLY.
283: */
284: #define __bs_c(a,b) __CONCAT(a,b)
285: #define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size)
286:
287: #define __bs_rs(sz, t, h, o) \
288: (*(t)->__bs_opname(r,sz))((t)->bs_cookie, h, o)
289: #define __bs_ws(sz, t, h, o, v) \
290: (*(t)->__bs_opname(w,sz))((t)->bs_cookie, h, o, v)
291: #define __bs_nonsingle(type, sz, t, h, o, a, c) \
292: (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c)
293: #define __bs_set(type, sz, t, h, o, v, c) \
294: (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v, c)
295: #define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \
296: (*(t)->__bs_opname(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt)
297:
298: #ifdef __BUS_SPACE_HAS_STREAM_METHODS
299: #define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s)
300: #define __bs_rs_s(sz, t, h, o) \
301: (*(t)->__bs_opname_s(r,sz))((t)->bs_cookie, h, o)
302: #define __bs_ws_s(sz, t, h, o, v) \
303: (*(t)->__bs_opname_s(w,sz))((t)->bs_cookie, h, o, v)
304: #define __bs_nonsingle_s(type, sz, t, h, o, a, c) \
305: (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, a, c)
306: #define __bs_set_s(type, sz, t, h, o, v, c) \
307: (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, v, c)
308: #define __bs_copy_s(sz, t, h1, o1, h2, o2, cnt) \
309: (*(t)->__bs_opname_s(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt)
310: #endif
311:
312: /*
313: * Mapping and unmapping operations.
314: */
315: #define bus_space_map(t, a, s, c, hp) \
316: (*(t)->bs_map)((t)->bs_cookie, (a), (s), (c), (hp))
317: #define bus_space_unmap(t, h, s) \
318: (*(t)->bs_unmap)((t)->bs_cookie, (h), (s))
319: #define bus_space_subregion(t, h, o, s, hp) \
320: (*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))
321:
322:
323: /*
324: * Allocation and deallocation operations.
325: */
326: #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \
327: (*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b), \
328: (c), (ap), (hp))
329: #define bus_space_free(t, h, s) \
330: (*(t)->bs_free)((t)->bs_cookie, (h), (s))
331:
332: /*
333: * Get kernel virtual address for ranges mapped BUS_SPACE_MAP_LINEAR.
334: */
335: #define bus_space_vaddr(t, h) \
336: (*(t)->bs_vaddr)((t)->bs_cookie, (h))
337:
338: /*
339: * MMap bus space for a user application.
340: */
341: #define bus_space_mmap(t, a, o, p, f) \
342: (*(t)->bs_mmap)((t)->bs_cookie, (a), (o), (p), (f))
343:
344: /*
345: * Bus barrier operations.
346: */
347: #define bus_space_barrier(t, h, o, l, f) \
348: (*(t)->bs_barrier)((t)->bs_cookie, (h), (o), (l), (f))
349:
350: #define BUS_SPACE_BARRIER_READ 0x01
351: #define BUS_SPACE_BARRIER_WRITE 0x02
352:
353: /*
354: * Bus read (single) operations.
355: */
356: #define bus_space_read_1(t, h, o) __bs_rs(1,(t),(h),(o))
357: #define bus_space_read_2(t, h, o) __bs_rs(2,(t),(h),(o))
358: #define bus_space_read_4(t, h, o) __bs_rs(4,(t),(h),(o))
359: #define bus_space_read_8(t, h, o) __bs_rs(8,(t),(h),(o))
360: #ifdef __BUS_SPACE_HAS_STREAM_METHODS
361: #define bus_space_read_stream_1(t, h, o) __bs_rs_s(1,(t),(h),(o))
362: #define bus_space_read_stream_2(t, h, o) __bs_rs_s(2,(t),(h),(o))
363: #define bus_space_read_stream_4(t, h, o) __bs_rs_s(4,(t),(h),(o))
364: #define bus_space_read_stream_8(t, h, o) __bs_rs_s(8,(t),(h),(o))
365: #endif
366:
367:
368: /*
369: * Bus read multiple operations.
370: */
371: #define bus_space_read_multi_1(t, h, o, a, c) \
372: __bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
373: #define bus_space_read_multi_2(t, h, o, a, c) \
374: __bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
375: #define bus_space_read_multi_4(t, h, o, a, c) \
376: __bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
377: #define bus_space_read_multi_8(t, h, o, a, c) \
378: __bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
379: #ifdef __BUS_SPACE_HAS_STREAM_METHODS
380: #define bus_space_read_multi_stream_1(t, h, o, a, c) \
381: __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c))
382: #define bus_space_read_multi_stream_2(t, h, o, a, c) \
383: __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c))
384: #define bus_space_read_multi_stream_4(t, h, o, a, c) \
385: __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c))
386: #define bus_space_read_multi_stream_8(t, h, o, a, c) \
387: __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c))
388: #endif
389:
390:
391: /*
392: * Bus read region operations.
393: */
394: #define bus_space_read_region_1(t, h, o, a, c) \
395: __bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
396: #define bus_space_read_region_2(t, h, o, a, c) \
397: __bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
398: #define bus_space_read_region_4(t, h, o, a, c) \
399: __bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
400: #define bus_space_read_region_8(t, h, o, a, c) \
401: __bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
402: #ifdef __BUS_SPACE_HAS_STREAM_METHODS
403: #define bus_space_read_region_stream_1(t, h, o, a, c) \
404: __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c))
405: #define bus_space_read_region_stream_2(t, h, o, a, c) \
406: __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c))
407: #define bus_space_read_region_stream_4(t, h, o, a, c) \
408: __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c))
409: #define bus_space_read_region_stream_8(t, h, o, a, c) \
410: __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c))
411: #endif
412:
413:
414: /*
415: * Bus write (single) operations.
416: */
417: #define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v))
418: #define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v))
419: #define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v))
420: #define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v))
421: #ifdef __BUS_SPACE_HAS_STREAM_METHODS
422: #define bus_space_write_stream_1(t, h, o, v) __bs_ws_s(1,(t),(h),(o),(v))
423: #define bus_space_write_stream_2(t, h, o, v) __bs_ws_s(2,(t),(h),(o),(v))
424: #define bus_space_write_stream_4(t, h, o, v) __bs_ws_s(4,(t),(h),(o),(v))
425: #define bus_space_write_stream_8(t, h, o, v) __bs_ws_s(8,(t),(h),(o),(v))
426: #endif
427:
428:
429: /*
430: * Bus write multiple operations.
431: */
432: #define bus_space_write_multi_1(t, h, o, a, c) \
433: __bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
434: #define bus_space_write_multi_2(t, h, o, a, c) \
435: __bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
436: #define bus_space_write_multi_4(t, h, o, a, c) \
437: __bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
438: #define bus_space_write_multi_8(t, h, o, a, c) \
439: __bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
440: #ifdef __BUS_SPACE_HAS_STREAM_METHODS
441: #define bus_space_write_multi_stream_1(t, h, o, a, c) \
442: __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c))
443: #define bus_space_write_multi_stream_2(t, h, o, a, c) \
444: __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c))
445: #define bus_space_write_multi_stream_4(t, h, o, a, c) \
446: __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c))
447: #define bus_space_write_multi_stream_8(t, h, o, a, c) \
448: __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c))
449: #endif
450:
451:
452: /*
453: * Bus write region operations.
454: */
455: #define bus_space_write_region_1(t, h, o, a, c) \
456: __bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
457: #define bus_space_write_region_2(t, h, o, a, c) \
458: __bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
459: #define bus_space_write_region_4(t, h, o, a, c) \
460: __bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
461: #define bus_space_write_region_8(t, h, o, a, c) \
462: __bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
463: #ifdef __BUS_SPACE_HAS_STREAM_METHODS
464: #define bus_space_write_region_stream_1(t, h, o, a, c) \
465: __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c))
466: #define bus_space_write_region_stream_2(t, h, o, a, c) \
467: __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c))
468: #define bus_space_write_region_stream_4(t, h, o, a, c) \
469: __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c))
470: #define bus_space_write_region_stream_8(t, h, o, a, c) \
471: __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c))
472: #endif
473:
474:
475: /*
476: * Set multiple operations.
477: */
478: #define bus_space_set_multi_1(t, h, o, v, c) \
479: __bs_set(sm,1,(t),(h),(o),(v),(c))
480: #define bus_space_set_multi_2(t, h, o, v, c) \
481: __bs_set(sm,2,(t),(h),(o),(v),(c))
482: #define bus_space_set_multi_4(t, h, o, v, c) \
483: __bs_set(sm,4,(t),(h),(o),(v),(c))
484: #define bus_space_set_multi_8(t, h, o, v, c) \
485: __bs_set(sm,8,(t),(h),(o),(v),(c))
486:
487: /*
488: * Set region operations.
489: */
490: #define bus_space_set_region_1(t, h, o, v, c) \
491: __bs_set(sr,1,(t),(h),(o),(v),(c))
492: #define bus_space_set_region_2(t, h, o, v, c) \
493: __bs_set(sr,2,(t),(h),(o),(v),(c))
494: #define bus_space_set_region_4(t, h, o, v, c) \
495: __bs_set(sr,4,(t),(h),(o),(v),(c))
496: #define bus_space_set_region_8(t, h, o, v, c) \
497: __bs_set(sr,8,(t),(h),(o),(v),(c))
498:
499: /*
500: * Copy operations.
501: */
502: #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \
503: __bs_copy(1, t, h1, o1, h2, o2, c)
504: #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \
505: __bs_copy(2, t, h1, o1, h2, o2, c)
506: #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \
507: __bs_copy(4, t, h1, o1, h2, o2, c)
508: #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \
509: __bs_copy(8, t, h1, o1, h2, o2, c)
510:
511: void
512: bus_space_copy_1(bus_space_tag_t bst, bus_space_handle_t h1,
513: bus_space_handle_t h2, bus_size_t o1, bus_size_t o2, bus_size_t c);
514: void
515: bus_space_copy_2(bus_space_tag_t bst, bus_space_handle_t h1,
516: bus_space_handle_t h2, bus_size_t o1, bus_size_t o2, bus_size_t c);
517: void
518: bus_space_copy_4(bus_space_tag_t bst, bus_space_handle_t h1,
519: bus_space_handle_t h2, bus_size_t o1, bus_size_t o2, bus_size_t c);
520: #define bus_space_copy_8 \
521: !!! bus_space_write_raw_multi_8 not implemented !!!
522:
523: /*
524: * Macros to provide prototypes for all the functions used in the
525: * bus_space structure
526: */
527:
528: #define bs_map_proto(f) \
529: int __bs_c(f,_bs_map) (void *t, bus_addr_t addr, \
530: bus_size_t size, int cacheable, bus_space_handle_t *bshp);
531:
532: #define bs_unmap_proto(f) \
533: void __bs_c(f,_bs_unmap) (void *t, bus_space_handle_t bsh, \
534: bus_size_t size);
535:
536: #define bs_subregion_proto(f) \
537: int __bs_c(f,_bs_subregion) (void *t, bus_space_handle_t bsh, \
538: bus_size_t offset, bus_size_t size, \
539: bus_space_handle_t *nbshp);
540:
541: #define bs_alloc_proto(f) \
542: int __bs_c(f,_bs_alloc) (void *t, bus_addr_t rstart, \
543: bus_addr_t rend, bus_size_t size, bus_size_t align, \
544: bus_size_t boundary, int cacheable, bus_addr_t *addrp, \
545: bus_space_handle_t *bshp);
546:
547: #define bs_free_proto(f) \
548: void __bs_c(f,_bs_free) (void *t, bus_space_handle_t bsh, \
549: bus_size_t size);
550:
551: #define bs_vaddr_proto(f) \
552: void * __bs_c(f,_bs_vaddr) (void *t, bus_space_handle_t bsh);
553:
554: #define bs_mmap_proto(f) \
555: paddr_t __bs_c(f,_bs_mmap) (void *, bus_addr_t, off_t, int, int);
556:
557: #define bs_barrier_proto(f) \
558: void __bs_c(f,_bs_barrier) (void *t, bus_space_handle_t bsh, \
559: bus_size_t offset, bus_size_t len, int flags);
560:
561: #define bs_r_1_proto(f) \
562: u_int8_t __bs_c(f,_bs_r_1) (void *t, bus_space_handle_t bsh, \
563: bus_size_t offset);
564:
565: #define bs_r_2_proto(f) \
566: u_int16_t __bs_c(f,_bs_r_2) (void *t, bus_space_handle_t bsh, \
567: bus_size_t offset);
568:
569: #define bs_r_4_proto(f) \
570: u_int32_t __bs_c(f,_bs_r_4) (void *t, bus_space_handle_t bsh, \
571: bus_size_t offset);
572:
573: #define bs_r_8_proto(f) \
574: u_int64_t __bs_c(f,_bs_r_8) (void *t, bus_space_handle_t bsh, \
575: bus_size_t offset);
576:
577: #define bs_w_1_proto(f) \
578: void __bs_c(f,_bs_w_1) (void *t, bus_space_handle_t bsh, \
579: bus_size_t offset, u_int8_t value);
580:
581: #define bs_w_2_proto(f) \
582: void __bs_c(f,_bs_w_2) (void *t, bus_space_handle_t bsh, \
583: bus_size_t offset, u_int16_t value);
584:
585: #define bs_w_4_proto(f) \
586: void __bs_c(f,_bs_w_4) (void *t, bus_space_handle_t bsh, \
587: bus_size_t offset, u_int32_t value);
588:
589: #define bs_w_8_proto(f) \
590: void __bs_c(f,_bs_w_8) (void *t, bus_space_handle_t bsh, \
591: bus_size_t offset, u_int64_t value);
592:
593: #define bs_rm_1_proto(f) \
594: void __bs_c(f,_bs_rm_1) (void *t, bus_space_handle_t bsh, \
595: bus_size_t offset, u_int8_t *addr, bus_size_t count);
596:
597: #define bs_rm_2_proto(f) \
598: void __bs_c(f,_bs_rm_2) (void *t, bus_space_handle_t bsh, \
599: bus_size_t offset, u_int16_t *addr, bus_size_t count);
600:
601: #define bs_rm_4_proto(f) \
602: void __bs_c(f,_bs_rm_4) (void *t, bus_space_handle_t bsh, \
603: bus_size_t offset, u_int32_t *addr, bus_size_t count);
604:
605: #define bs_rm_8_proto(f) \
606: void __bs_c(f,_bs_rm_8) (void *t, bus_space_handle_t bsh, \
607: bus_size_t offset, u_int64_t *addr, bus_size_t count);
608:
609: #define bs_wm_1_proto(f) \
610: void __bs_c(f,_bs_wm_1) (void *t, bus_space_handle_t bsh, \
611: bus_size_t offset, const u_int8_t *addr, bus_size_t count);
612:
613: #define bs_wm_2_proto(f) \
614: void __bs_c(f,_bs_wm_2) (void *t, bus_space_handle_t bsh, \
615: bus_size_t offset, const u_int16_t *addr, bus_size_t count);
616:
617: #define bs_wm_4_proto(f) \
618: void __bs_c(f,_bs_wm_4) (void *t, bus_space_handle_t bsh, \
619: bus_size_t offset, const u_int32_t *addr, bus_size_t count);
620:
621: #define bs_wm_8_proto(f) \
622: void __bs_c(f,_bs_wm_8) (void *t, bus_space_handle_t bsh, \
623: bus_size_t offset, const u_int64_t *addr, bus_size_t count);
624:
625: #define bs_rr_1_proto(f) \
626: void __bs_c(f, _bs_rr_1) (void *t, bus_space_handle_t bsh, \
627: bus_size_t offset, u_int8_t *addr, bus_size_t count);
628:
629: #define bs_rr_2_proto(f) \
630: void __bs_c(f, _bs_rr_2) (void *t, bus_space_handle_t bsh, \
631: bus_size_t offset, u_int16_t *addr, bus_size_t count);
632:
633: #define bs_rr_4_proto(f) \
634: void __bs_c(f, _bs_rr_4) (void *t, bus_space_handle_t bsh, \
635: bus_size_t offset, u_int32_t *addr, bus_size_t count);
636:
637: #define bs_rr_8_proto(f) \
638: void __bs_c(f, _bs_rr_8) (void *t, bus_space_handle_t bsh, \
639: bus_size_t offset, u_int64_t *addr, bus_size_t count);
640:
641: #define bs_wr_1_proto(f) \
642: void __bs_c(f, _bs_wr_1) (void *t, bus_space_handle_t bsh, \
643: bus_size_t offset, const u_int8_t *addr, bus_size_t count);
644:
645: #define bs_wr_2_proto(f) \
646: void __bs_c(f, _bs_wr_2) (void *t, bus_space_handle_t bsh, \
647: bus_size_t offset, const u_int16_t *addr, bus_size_t count);
648:
649: #define bs_wr_4_proto(f) \
650: void __bs_c(f, _bs_wr_4) (void *t, bus_space_handle_t bsh, \
651: bus_size_t offset, const u_int32_t *addr, bus_size_t count);
652:
653: #define bs_wr_8_proto(f) \
654: void __bs_c(f, _bs_wr_8) (void *t, bus_space_handle_t bsh, \
655: bus_size_t offset, const u_int64_t *addr, bus_size_t count);
656:
657: #define bs_sm_1_proto(f) \
658: void __bs_c(f,_bs_sm_1) (void *t, bus_space_handle_t bsh, \
659: bus_size_t offset, u_int8_t value, bus_size_t count);
660:
661: #define bs_sm_2_proto(f) \
662: void __bs_c(f,_bs_sm_2) (void *t, bus_space_handle_t bsh, \
663: bus_size_t offset, u_int16_t value, bus_size_t count);
664:
665: #define bs_sm_4_proto(f) \
666: void __bs_c(f,_bs_sm_4) (void *t, bus_space_handle_t bsh, \
667: bus_size_t offset, u_int32_t value, bus_size_t count);
668:
669: #define bs_sm_8_proto(f) \
670: void __bs_c(f,_bs_sm_8) (void *t, bus_space_handle_t bsh, \
671: bus_size_t offset, u_int64_t value, bus_size_t count);
672:
673: #define bs_sr_1_proto(f) \
674: void __bs_c(f,_bs_sr_1) (void *t, bus_space_handle_t bsh, \
675: bus_size_t offset, u_int8_t value, bus_size_t count);
676:
677: #define bs_sr_2_proto(f) \
678: void __bs_c(f,_bs_sr_2) (void *t, bus_space_handle_t bsh, \
679: bus_size_t offset, u_int16_t value, bus_size_t count);
680:
681: #define bs_sr_4_proto(f) \
682: void __bs_c(f,_bs_sr_4) (void *t, bus_space_handle_t bsh, \
683: bus_size_t offset, u_int32_t value, bus_size_t count);
684:
685: #define bs_sr_8_proto(f) \
686: void __bs_c(f,_bs_sr_8) (void *t, bus_space_handle_t bsh, \
687: bus_size_t offset, u_int64_t value, bus_size_t count);
688:
689: #define bs_c_1_proto(f) \
690: void __bs_c(f,_bs_c_1) (void *t, bus_space_handle_t bsh1, \
691: bus_size_t offset1, bus_space_handle_t bsh2, \
692: bus_size_t offset2, bus_size_t count);
693:
694: #define bs_c_2_proto(f) \
695: void __bs_c(f,_bs_c_2) (void *t, bus_space_handle_t bsh1, \
696: bus_size_t offset1, bus_space_handle_t bsh2, \
697: bus_size_t offset2, bus_size_t count);
698:
699: #define bs_c_4_proto(f) \
700: void __bs_c(f,_bs_c_4) (void *t, bus_space_handle_t bsh1, \
701: bus_size_t offset1, bus_space_handle_t bsh2, \
702: bus_size_t offset2, bus_size_t count);
703:
704: #define bs_c_8_proto(f) \
705: void __bs_c(f,_bs_c_8) (void *t, bus_space_handle_t bsh1, \
706: bus_size_t offset1, bus_space_handle_t bsh2, \
707: bus_size_t offset2, bus_size_t count);
708:
709: #define bs_protos(f) \
710: bs_map_proto(f); \
711: bs_unmap_proto(f); \
712: bs_subregion_proto(f); \
713: bs_alloc_proto(f); \
714: bs_free_proto(f); \
715: bs_vaddr_proto(f); \
716: bs_mmap_proto(f); \
717: bs_barrier_proto(f); \
718: bs_r_1_proto(f); \
719: bs_r_2_proto(f); \
720: bs_r_4_proto(f); \
721: bs_r_8_proto(f); \
722: bs_w_1_proto(f); \
723: bs_w_2_proto(f); \
724: bs_w_4_proto(f); \
725: bs_w_8_proto(f); \
726: bs_rm_1_proto(f); \
727: bs_rm_2_proto(f); \
728: bs_rm_4_proto(f); \
729: bs_rm_8_proto(f); \
730: bs_wm_1_proto(f); \
731: bs_wm_2_proto(f); \
732: bs_wm_4_proto(f); \
733: bs_wm_8_proto(f); \
734: bs_rr_1_proto(f); \
735: bs_rr_2_proto(f); \
736: bs_rr_4_proto(f); \
737: bs_rr_8_proto(f); \
738: bs_wr_1_proto(f); \
739: bs_wr_2_proto(f); \
740: bs_wr_4_proto(f); \
741: bs_wr_8_proto(f); \
742: bs_sm_1_proto(f); \
743: bs_sm_2_proto(f); \
744: bs_sm_4_proto(f); \
745: bs_sm_8_proto(f); \
746: bs_sr_1_proto(f); \
747: bs_sr_2_proto(f); \
748: bs_sr_4_proto(f); \
749: bs_sr_8_proto(f); \
750: bs_c_1_proto(f); \
751: bs_c_2_proto(f); \
752: bs_c_4_proto(f); \
753: bs_c_8_proto(f);
754:
755: /* Bus Space DMA macros */
756:
757: /*
758: * Flags used in various bus DMA methods.
759: */
760: #define BUS_DMA_WAITOK 0x000 /* safe to sleep (pseudo-flag) */
761: #define BUS_DMA_NOWAIT 0x001 /* not safe to sleep */
762: #define BUS_DMA_ALLOCNOW 0x002 /* perform resource allocation now */
763: #define BUS_DMA_COHERENT 0x004 /* hint: map memory DMA coherent */
764: #define BUS_DMA_STREAMING 0x008 /* hint: sequential, unidirectional */
765: #define BUS_DMA_BUS1 0x010 /* placeholders for bus functions... */
766: #define BUS_DMA_BUS2 0x020
767: #define BUS_DMA_BUS3 0x040
768: #define BUS_DMA_BUS4 0x080
769: #define BUS_DMA_READ 0x100 /* mapping is device -> memory only */
770: #define BUS_DMA_WRITE 0x200 /* mapping is memory -> device only */
771: #define BUS_DMA_NOCACHE 0x400 /* hint: map non-cached memory */
772:
773: /*
774: * Private flags stored in the DMA map.
775: */
776: #define ARM32_DMAMAP_COHERENT 0x10000 /* no cache flush necessary on sync */
777:
778: /* Forwards needed by prototypes below. */
779: struct mbuf;
780: struct uio;
781:
782: /*
783: * Operations performed by bus_dmamap_sync().
784: */
785: #define BUS_DMASYNC_PREREAD 0x01 /* pre-read synchronization */
786: #define BUS_DMASYNC_POSTREAD 0x02 /* post-read synchronization */
787: #define BUS_DMASYNC_PREWRITE 0x04 /* pre-write synchronization */
788: #define BUS_DMASYNC_POSTWRITE 0x08 /* post-write synchronization */
789:
790: typedef struct arm32_bus_dma_tag *bus_dma_tag_t;
791: typedef struct arm32_bus_dmamap *bus_dmamap_t;
792:
793: #define BUS_DMA_TAG_VALID(t) ((t) != (bus_dma_tag_t)0)
794:
795: /*
796: * bus_dma_segment_t
797: *
798: * Describes a single contiguous DMA transaction. Values
799: * are suitable for programming into DMA registers.
800: */
801: struct arm32_bus_dma_segment {
802: /*
803: * PUBLIC MEMBERS: these are used by machine-independent code.
804: */
805: bus_addr_t ds_addr; /* DMA address */
806: bus_size_t ds_len; /* length of transfer */
807: /*
808: * PRIVATE MEMBERS: not for use by machine-independent code.
809: */
810: bus_addr_t _ds_vaddr; /* Virtual mapped address
811: * Used by bus_dmamem_sync() */
812: };
813: typedef struct arm32_bus_dma_segment bus_dma_segment_t;
814:
815: /*
816: * arm32_dma_range
817: *
818: * This structure describes a valid DMA range.
819: */
820: struct arm32_dma_range {
821: bus_addr_t dr_sysbase; /* system base address */
822: bus_addr_t dr_busbase; /* appears here on bus */
823: bus_size_t dr_len; /* length of range */
824: };
825:
826: /*
827: * bus_dma_tag_t
828: *
829: * A machine-dependent opaque type describing the implementation of
830: * DMA for a given bus.
831: */
832:
833: struct arm32_bus_dma_tag {
834: /*
835: * DMA range for this tag. If the page doesn't fall within
836: * one of these ranges, an error is returned. The caller
837: * may then decide what to do with the transfer. If the
838: * range pointer is NULL, it is ignored.
839: */
840: struct arm32_dma_range *_ranges;
841: int _nranges;
842:
843: /*
844: * Opaque cookie for use by back-end.
845: */
846: void *_cookie;
847:
848: /*
849: * DMA mapping methods.
850: */
851: int (*_dmamap_create) (bus_dma_tag_t, bus_size_t, int,
852: bus_size_t, bus_size_t, int, bus_dmamap_t *);
853: void (*_dmamap_destroy) (bus_dma_tag_t, bus_dmamap_t);
854: int (*_dmamap_load) (bus_dma_tag_t, bus_dmamap_t, void *,
855: bus_size_t, struct proc *, int);
856: int (*_dmamap_load_mbuf) (bus_dma_tag_t, bus_dmamap_t,
857: struct mbuf *, int);
858: int (*_dmamap_load_uio) (bus_dma_tag_t, bus_dmamap_t,
859: struct uio *, int);
860: int (*_dmamap_load_raw) (bus_dma_tag_t, bus_dmamap_t,
861: bus_dma_segment_t *, int, bus_size_t, int);
862: void (*_dmamap_unload) (bus_dma_tag_t, bus_dmamap_t);
863: void (*_dmamap_sync) (bus_dma_tag_t, bus_dmamap_t,
864: bus_addr_t, bus_size_t, int);
865:
866: /*
867: * DMA memory utility functions.
868: */
869: int (*_dmamem_alloc) (bus_dma_tag_t, bus_size_t, bus_size_t,
870: bus_size_t, bus_dma_segment_t *, int, int *, int);
871: void (*_dmamem_free) (bus_dma_tag_t,
872: bus_dma_segment_t *, int);
873: int (*_dmamem_map) (bus_dma_tag_t, bus_dma_segment_t *,
874: int, size_t, caddr_t *, int);
875: void (*_dmamem_unmap) (bus_dma_tag_t, caddr_t, size_t);
876: paddr_t (*_dmamem_mmap) (bus_dma_tag_t, bus_dma_segment_t *,
877: int, off_t, int, int);
878: };
879:
880: #define bus_dmamap_create(t, s, n, m, b, f, p) \
881: (*(t)->_dmamap_create)((t), (s), (n), (m), (b), (f), (p))
882: #define bus_dmamap_destroy(t, p) \
883: (*(t)->_dmamap_destroy)((t), (p))
884: #define bus_dmamap_load(t, m, b, s, p, f) \
885: (*(t)->_dmamap_load)((t), (m), (b), (s), (p), (f))
886: #define bus_dmamap_load_mbuf(t, m, b, f) \
887: (*(t)->_dmamap_load_mbuf)((t), (m), (b), (f))
888: #define bus_dmamap_load_uio(t, m, u, f) \
889: (*(t)->_dmamap_load_uio)((t), (m), (u), (f))
890: #define bus_dmamap_load_raw(t, m, sg, n, s, f) \
891: (*(t)->_dmamap_load_raw)((t), (m), (sg), (n), (s), (f))
892: #define bus_dmamap_unload(t, p) \
893: (*(t)->_dmamap_unload)((t), (p))
894: #define bus_dmamap_sync(t, p, o, l, ops) \
895: (void)((t)->_dmamap_sync ? \
896: (*(t)->_dmamap_sync)((t), (p), (o), (l), (ops)) : (void)0)
897:
898: #define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \
899: (*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f))
900: #define bus_dmamem_free(t, sg, n) \
901: (*(t)->_dmamem_free)((t), (sg), (n))
902: #define bus_dmamem_map(t, sg, n, s, k, f) \
903: (*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f))
904: #define bus_dmamem_unmap(t, k, s) \
905: (*(t)->_dmamem_unmap)((t), (k), (s))
906: #define bus_dmamem_mmap(t, sg, n, o, p, f) \
907: (*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f))
908:
909: /*
910: * bus_dmamap_t
911: *
912: * Describes a DMA mapping.
913: */
914: struct arm32_bus_dmamap {
915: /*
916: * PRIVATE MEMBERS: not for use by machine-independent code.
917: */
918: bus_size_t _dm_size; /* largest DMA transfer mappable */
919: int _dm_segcnt; /* number of segs this map can map */
920: bus_size_t _dm_maxsegsz; /* largest possible segment */
921: bus_size_t _dm_boundary; /* don't cross this */
922: int _dm_flags; /* misc. flags */
923:
924: void *_dm_origbuf; /* pointer to original buffer */
925: int _dm_buftype; /* type of buffer */
926: struct proc *_dm_proc; /* proc that owns the mapping */
927:
928: void *_dm_cookie; /* cookie for bus-specific functions */
929:
930: /*
931: * PUBLIC MEMBERS: these are used by machine-independent code.
932: */
933: bus_size_t dm_mapsize; /* size of the mapping */
934: int dm_nsegs; /* # valid segments in mapping */
935: bus_dma_segment_t dm_segs[1]; /* segments; variable length */
936: };
937:
938: //#ifdef _ARM32_BUS_DMA_PRIVATE
939:
940: /* _dm_buftype */
941: #define ARM32_BUFTYPE_INVALID 0
942: #define ARM32_BUFTYPE_LINEAR 1
943: #define ARM32_BUFTYPE_MBUF 2
944: #define ARM32_BUFTYPE_UIO 3
945:
946: int arm32_dma_range_intersect(struct arm32_dma_range *, int,
947: paddr_t pa, psize_t size, paddr_t *pap, psize_t *sizep);
948:
949: int _bus_dmamap_create (bus_dma_tag_t, bus_size_t, int, bus_size_t,
950: bus_size_t, int, bus_dmamap_t *);
951: void _bus_dmamap_destroy (bus_dma_tag_t, bus_dmamap_t);
952: int _bus_dmamap_load (bus_dma_tag_t, bus_dmamap_t, void *,
953: bus_size_t, struct proc *, int);
954: int _bus_dmamap_load_mbuf (bus_dma_tag_t, bus_dmamap_t,
955: struct mbuf *, int);
956: int _bus_dmamap_load_uio (bus_dma_tag_t, bus_dmamap_t,
957: struct uio *, int);
958: int _bus_dmamap_load_raw (bus_dma_tag_t, bus_dmamap_t,
959: bus_dma_segment_t *, int, bus_size_t, int);
960: void _bus_dmamap_unload (bus_dma_tag_t, bus_dmamap_t);
961: void _bus_dmamap_sync (bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
962: bus_size_t, int);
963:
964: int _bus_dmamem_alloc (bus_dma_tag_t tag, bus_size_t size,
965: bus_size_t alignment, bus_size_t boundary,
966: bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags);
967: void _bus_dmamem_free (bus_dma_tag_t tag, bus_dma_segment_t *segs,
968: int nsegs);
969: int _bus_dmamem_map (bus_dma_tag_t tag, bus_dma_segment_t *segs,
970: int nsegs, size_t size, caddr_t *kvap, int flags);
971: void _bus_dmamem_unmap (bus_dma_tag_t tag, caddr_t kva,
972: size_t size);
973: paddr_t _bus_dmamem_mmap (bus_dma_tag_t tag, bus_dma_segment_t *segs,
974: int nsegs, off_t off, int prot, int flags);
975:
976: int _bus_dmamem_alloc_range (bus_dma_tag_t tag, bus_size_t size,
977: bus_size_t alignment, bus_size_t boundary,
978: bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags,
979: vaddr_t low, vaddr_t high);
980: //#endif /* _ARM32_BUS_DMA_PRIVATE */
981: /* These are OpenBSD extensions to the general NetBSD bus interface. */
982: void
983: bus_space_read_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh,
984: bus_addr_t ba, u_int8_t *dst, bus_size_t size);
985: void
986: bus_space_read_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh,
987: bus_addr_t ba, u_int8_t *dst, bus_size_t size);
988: #define bus_space_read_raw_multi_8 \
989: !!! bus_space_read_raw_multi_8 not implemented !!!
990:
991: void
992: bus_space_write_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh,
993: bus_addr_t ba, const u_int8_t *src, bus_size_t size);
994: void
995: bus_space_write_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh,
996: bus_addr_t ba, const u_int8_t *src, bus_size_t size);
997: #define bus_space_write_raw_multi_8 \
998: !!! bus_space_write_raw_multi_8 not implemented !!!
999:
1000: /*
1001: * void bus_space_read_raw_region_N(bus_space_tag_t tag,
1002: * bus_space_handle_t bsh, bus_size_t offset,
1003: * u_int8_t *addr, size_t count);
1004: *
1005: * Read `count' bytes in 2, 4 or 8 byte wide quantities from bus space
1006: * described by tag/handle and starting at `offset' and copy into
1007: * buffer provided. The buffer must have proper alignment for the N byte
1008: * wide entities. Furthermore possible byte-swapping should be done by
1009: * these functions.
1010: */
1011:
1012: #define bus_space_read_raw_region_2(t, h, o, a, c) \
1013: bus_space_read_region_2((t), (h), (o), (u_int16_t *)(a), (c) >> 1)
1014: #define bus_space_read_raw_region_4(t, h, o, a, c) \
1015: bus_space_read_region_4((t), (h), (o), (u_int32_t *)(a), (c) >> 2)
1016:
1017: #if 0 /* Cause a link error for bus_space_read_raw_region_8 */
1018: #define bus_space_read_raw_region_8 \
1019: !!! bus_space_read_raw_region_8 unimplemented !!!
1020: #endif
1021:
1022: /*
1023: * void bus_space_write_raw_region_N(bus_space_tag_t tag,
1024: * bus_space_handle_t bsh, bus_size_t offset,
1025: * const u_int8_t *addr, size_t count);
1026: *
1027: * Write `count' bytes in 2, 4 or 8 byte wide quantities to bus space
1028: * described by tag/handle and starting at `offset' from the
1029: * buffer provided. The buffer must have proper alignment for the N byte
1030: * wide entities. Furthermore possible byte-swapping should be done by
1031: * these functions.
1032: */
1033:
1034: #define bus_space_write_raw_region_2(t, h, o, a, c) \
1035: bus_space_write_region_2((t), (h), (o), (const u_int16_t *)(a), (c) >> 1)
1036: #define bus_space_write_raw_region_4(t, h, o, a, c) \
1037: bus_space_write_region_4((t), (h), (o), (const u_int32_t *)(a), (c) >> 2)
1038:
1039: #if 0 /* Cause a link error for bus_space_write_raw_region_8 */
1040: #define bus_space_write_raw_region_8 \
1041: !!! bus_space_write_raw_region_8 unimplemented !!!
1042: #endif
1043:
1044: #endif /* _ARM32_BUS_H_ */
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