1/* $NetBSD: bus.h,v 1.30 2021/01/23 19:38:08 christos Exp $ */
2
3/*-
4 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * Copyright (C) 1997 Scott Reynolds. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. The name of the author may not be used to endorse or promote products
45 * derived from this software without specific prior written permission
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
48 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
50 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
52 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
53 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
54 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
55 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
56 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57 */
58
59#ifndef _MAC68K_BUS_H_
60#define _MAC68K_BUS_H_
61
62/*
63 * Value for the mac68k bus space tag, not to be used directly by MI code.
64 */
65#define MAC68K_BUS_SPACE_MEM 0 /* space is mem space */
66
67#define __BUS_SPACE_HAS_STREAM_METHODS 1
68
69/*
70 * Bus address and size types
71 */
72typedef u_long bus_addr_t;
73typedef u_long bus_size_t;
74
75#define PRIxBUSADDR "lx"
76#define PRIxBUSSIZE "lx"
77#define PRIuBUSSIZE "lu"
78/*
79 * Access methods for bus resources and address space.
80 */
81#define BSH_T struct bus_space_handle_s
82typedef int bus_space_tag_t;
83typedef struct bus_space_handle_s {
84 u_long base;
85 int swapped;
86 int stride;
87
88 u_int8_t (*bsr1)(bus_space_tag_t, BSH_T *, bus_size_t);
89 u_int16_t (*bsr2)(bus_space_tag_t, BSH_T *, bus_size_t);
90 u_int32_t (*bsr4)(bus_space_tag_t, BSH_T *, bus_size_t);
91 u_int8_t (*bsrs1)(bus_space_tag_t, BSH_T *, bus_size_t);
92 u_int16_t (*bsrs2)(bus_space_tag_t, BSH_T *, bus_size_t);
93 u_int32_t (*bsrs4)(bus_space_tag_t, BSH_T *, bus_size_t);
94 void (*bsrm1)(bus_space_tag_t, BSH_T *, bus_size_t,
95 u_int8_t *, size_t);
96 void (*bsrm2)(bus_space_tag_t, BSH_T *, bus_size_t,
97 u_int16_t *, size_t);
98 void (*bsrm4)(bus_space_tag_t, BSH_T *, bus_size_t,
99 u_int32_t *, size_t);
100 void (*bsrms1)(bus_space_tag_t, BSH_T *, bus_size_t,
101 u_int8_t *, size_t);
102 void (*bsrms2)(bus_space_tag_t, BSH_T *, bus_size_t,
103 u_int16_t *, size_t);
104 void (*bsrms4)(bus_space_tag_t, BSH_T *, bus_size_t,
105 u_int32_t *, size_t);
106 void (*bsrr1)(bus_space_tag_t, BSH_T *, bus_size_t,
107 u_int8_t *, size_t);
108 void (*bsrr2)(bus_space_tag_t, BSH_T *, bus_size_t,
109 u_int16_t *, size_t);
110 void (*bsrr4)(bus_space_tag_t, BSH_T *, bus_size_t,
111 u_int32_t *, size_t);
112 void (*bsrrs1)(bus_space_tag_t, BSH_T *, bus_size_t,
113 u_int8_t *, size_t);
114 void (*bsrrs2)(bus_space_tag_t, BSH_T *, bus_size_t,
115 u_int16_t *, size_t);
116 void (*bsrrs4)(bus_space_tag_t, BSH_T *, bus_size_t,
117 u_int32_t *, size_t);
118 void (*bsw1)(bus_space_tag_t, BSH_T *, bus_size_t, u_int8_t);
119 void (*bsw2)(bus_space_tag_t, BSH_T *, bus_size_t,
120 u_int16_t);
121 void (*bsw4)(bus_space_tag_t, BSH_T *, bus_size_t,
122 u_int32_t);
123 void (*bsws1)(bus_space_tag_t, BSH_T *, bus_size_t,
124 u_int8_t);
125 void (*bsws2)(bus_space_tag_t, BSH_T *, bus_size_t,
126 u_int16_t);
127 void (*bsws4)(bus_space_tag_t, BSH_T *, bus_size_t,
128 u_int32_t);
129 void (*bswm1)(bus_space_tag_t, BSH_T *, bus_size_t,
130 const u_int8_t *, size_t);
131 void (*bswm2)(bus_space_tag_t, BSH_T *, bus_size_t,
132 const u_int16_t *, size_t);
133 void (*bswm4)(bus_space_tag_t, BSH_T *, bus_size_t,
134 const u_int32_t *, size_t);
135 void (*bswms1)(bus_space_tag_t, BSH_T *, bus_size_t,
136 const u_int8_t *, size_t);
137 void (*bswms2)(bus_space_tag_t, BSH_T *, bus_size_t,
138 const u_int16_t *, size_t);
139 void (*bswms4)(bus_space_tag_t, BSH_T *, bus_size_t,
140 const u_int32_t *, size_t);
141 void (*bswr1)(bus_space_tag_t, BSH_T *, bus_size_t,
142 const u_int8_t *, size_t);
143 void (*bswr2)(bus_space_tag_t, BSH_T *, bus_size_t,
144 const u_int16_t *, size_t);
145 void (*bswr4)(bus_space_tag_t, BSH_T *, bus_size_t,
146 const u_int32_t *, size_t);
147 void (*bswrs1)(bus_space_tag_t, BSH_T *, bus_size_t,
148 const u_int8_t *, size_t);
149 void (*bswrs2)(bus_space_tag_t, BSH_T *, bus_size_t,
150 const u_int16_t *, size_t);
151 void (*bswrs4)(bus_space_tag_t, BSH_T *, bus_size_t,
152 const u_int32_t *, size_t);
153 void (*bssm1)(bus_space_tag_t, BSH_T *, bus_size_t,
154 u_int8_t v, size_t);
155 void (*bssm2)(bus_space_tag_t, BSH_T *, bus_size_t,
156 u_int16_t v, size_t);
157 void (*bssm4)(bus_space_tag_t, BSH_T *, bus_size_t,
158 u_int32_t v, size_t);
159 void (*bssr1)(bus_space_tag_t, BSH_T *, bus_size_t,
160 u_int8_t v, size_t);
161 void (*bssr2)(bus_space_tag_t, BSH_T *, bus_size_t,
162 u_int16_t v, size_t);
163 void (*bssr4)(bus_space_tag_t, BSH_T *, bus_size_t,
164 u_int32_t v, size_t);
165} bus_space_handle_t;
166#undef BSH_T
167
168void mac68k_bus_space_handle_swapped(bus_space_tag_t,
169 bus_space_handle_t *);
170void mac68k_bus_space_handle_set_stride(bus_space_tag_t,
171 bus_space_handle_t *, int);
172
173/*
174 * int bus_space_map(bus_space_tag_t t, bus_addr_t addr,
175 * bus_size_t size, int flags, bus_space_handle_t *bshp);
176 *
177 * Map a region of bus space.
178 */
179
180#define BUS_SPACE_MAP_CACHEABLE 0x01
181#define BUS_SPACE_MAP_LINEAR 0x02
182#define BUS_SPACE_MAP_PREFETCHABLE 0x04
183
184int bus_space_map(bus_space_tag_t, bus_addr_t, bus_size_t,
185 int, bus_space_handle_t *);
186
187/*
188 * void bus_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh,
189 * bus_size_t size);
190 *
191 * Unmap a region of bus space.
192 */
193
194void bus_space_unmap(bus_space_tag_t, bus_space_handle_t, bus_size_t);
195
196/*
197 * int bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
198 * bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp);
199 *
200 * Get a new handle for a subregion of an already-mapped area of bus space.
201 */
202
203int bus_space_subregion(bus_space_tag_t, bus_space_handle_t,
204 bus_size_t, bus_size_t size, bus_space_handle_t *);
205
206/*
207 * int bus_space_alloc(bus_space_tag_t t, bus_addr_t, rstart,
208 * bus_addr_t rend, bus_size_t size, bus_size_t align,
209 * bus_size_t boundary, int flags, bus_addr_t *addrp,
210 * bus_space_handle_t *bshp);
211 *
212 * Allocate a region of bus space.
213 */
214
215int bus_space_alloc(bus_space_tag_t, bus_addr_t rstart,
216 bus_addr_t rend, bus_size_t size, bus_size_t align,
217 bus_size_t boundary, int cacheable, bus_addr_t *addrp,
218 bus_space_handle_t *bshp);
219
220/*
221 * int bus_space_free(bus_space_tag_t t, bus_space_handle_t bsh,
222 * bus_size_t size);
223 *
224 * Free a region of bus space.
225 */
226
227void bus_space_free(bus_space_tag_t, bus_space_handle_t bsh,
228 bus_size_t size);
229
230/*
231 * int mac68k_bus_space_probe(bus_space_tag_t t, bus_space_handle_t bsh,
232 * bus_size_t offset, int sz);
233 *
234 * Probe the bus at t/bsh/offset, using sz as the size of the load.
235 *
236 * This is a machine-dependent extension, and is not to be used by
237 * machine-independent code.
238 */
239
240int mac68k_bus_space_probe(bus_space_tag_t,
241 bus_space_handle_t bsh, bus_size_t, int sz);
242
243/*
244 * u_intN_t bus_space_read_N(bus_space_tag_t tag,
245 * bus_space_handle_t bsh, bus_size_t offset);
246 *
247 * Read a 1, 2, 4, or 8 byte quantity from bus space
248 * described by tag/handle/offset.
249 */
250
251u_int8_t mac68k_bsr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
252u_int8_t mac68k_bsr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
253u_int16_t mac68k_bsr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
254u_int16_t mac68k_bsr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
255u_int16_t mac68k_bsr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
256u_int16_t mac68k_bsrs2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
257u_int32_t mac68k_bsr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
258u_int32_t mac68k_bsr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
259u_int32_t mac68k_bsr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
260u_int32_t mac68k_bsrs4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t);
261
262#define bus_space_read_1(t,h,o) (h).bsr1((t), &(h), (o))
263#define bus_space_read_2(t,h,o) (h).bsr2((t), &(h), (o))
264#define bus_space_read_4(t,h,o) (h).bsr4((t), &(h), (o))
265#define bus_space_read_stream_1(t,h,o) (h).bsrs1((t), &(h), (o))
266#define bus_space_read_stream_2(t,h,o) (h).bsrs2((t), &(h), (o))
267#define bus_space_read_stream_4(t,h,o) (h).bsrs4((t), &(h), (o))
268
269/*
270 * void bus_space_read_multi_N(bus_space_tag_t tag,
271 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t *addr,
272 * size_t count);
273 *
274 * Read `count' 1, 2, 4, or 8 byte quantities from bus space
275 * described by tag/handle/offset and copy into buffer provided.
276 */
277
278void mac68k_bsrm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
279 u_int8_t *, size_t);
280void mac68k_bsrm1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
281 u_int8_t *, size_t);
282void mac68k_bsrm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
283 u_int16_t *, size_t);
284void mac68k_bsrm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
285 u_int16_t *, size_t);
286void mac68k_bsrm2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
287 u_int16_t *, size_t);
288void mac68k_bsrms2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
289 u_int16_t *, size_t);
290void mac68k_bsrm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
291 u_int32_t *, size_t);
292void mac68k_bsrms4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
293 u_int32_t *, size_t);
294void mac68k_bsrm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
295 u_int32_t *, size_t);
296void mac68k_bsrm4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
297 u_int32_t *, size_t);
298void mac68k_bsrms4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
299 u_int32_t *, size_t);
300
301#if defined(DIAGNOSTIC)
302#define bus_space_read_multi_1(t, h, o, a, c) do { \
303 if ((c) == 0) \
304 panic("bus_space_read_multi_1 called with zero count."); \
305 (h).bsrm1(t,&(h),o,a,c); } while (0)
306#define bus_space_read_multi_2(t, h, o, a, c) do { \
307 if ((c) == 0) \
308 panic("bus_space_read_multi_2 called with zero count."); \
309 (h).bsrm2(t,&(h),o,a,c); } while (0)
310#define bus_space_read_multi_4(t, h, o, a, c) do { \
311 if ((c) == 0) \
312 panic("bus_space_read_multi_4 called with zero count."); \
313 (h).bsrm4(t,&(h),o,a,c); } while (0)
314#define bus_space_read_multi_stream_1(t, h, o, a, c) do { \
315 if ((c) == 0) \
316 panic("bus_space_read_multi_stream_1 called with count=0."); \
317 (h).bsrms1(t,&(h),o,a,c); } while (0)
318#define bus_space_read_multi_stream_2(t, h, o, a, c) do { \
319 if ((c) == 0) \
320 panic("bus_space_read_multi_stream_2 called with count=0."); \
321 (h).bsrms2(t,&(h),o,a,c); } while (0)
322#define bus_space_read_multi_stream_4(t, h, o, a, c) do { \
323 if ((c) == 0) \
324 panic("bus_space_read_multi_stream_4 called with count=0."); \
325 (h).bsrms4(t,&(h),o,a,c); } while (0)
326#else
327#define bus_space_read_multi_1(t, h, o, a, c) \
328 do { if (c) (h).bsrm1(t, &(h), o, a, c); } while (0)
329#define bus_space_read_multi_2(t, h, o, a, c) \
330 do { if (c) (h).bsrm2(t, &(h), o, a, c); } while (0)
331#define bus_space_read_multi_4(t, h, o, a, c) \
332 do { if (c) (h).bsrm4(t, &(h), o, a, c); } while (0)
333#define bus_space_read_multi_stream_1(t, h, o, a, c) \
334 do { if (c) (h).bsrms1(t, &(h), o, a, c); } while (0)
335#define bus_space_read_multi_stream_2(t, h, o, a, c) \
336 do { if (c) (h).bsrms2(t, &(h), o, a, c); } while (0)
337#define bus_space_read_multi_stream_4(t, h, o, a, c) \
338 do { if (c) (h).bsrms4(t, &(h), o, a, c); } while (0)
339#endif
340
341/*
342 * void bus_space_read_region_N(bus_space_tag_t tag,
343 * bus_space_handle_t bsh, bus_size_t offset,
344 * u_intN_t *addr, size_t count);
345 *
346 * Read `count' 1, 2, 4, or 8 byte quantities from bus space
347 * described by tag/handle and starting at `offset' and copy into
348 * buffer provided.
349 */
350
351void mac68k_bsrr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
352 u_int8_t *, size_t);
353void mac68k_bsrr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
354 u_int8_t *, size_t);
355void mac68k_bsrr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
356 u_int16_t *, size_t);
357void mac68k_bsrr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
358 u_int16_t *, size_t);
359void mac68k_bsrr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
360 u_int16_t *, size_t);
361void mac68k_bsrrs2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
362 u_int16_t *, size_t);
363void mac68k_bsrr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
364 u_int32_t *, size_t);
365void mac68k_bsrr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
366 u_int32_t *, size_t);
367void mac68k_bsrr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
368 u_int32_t *, size_t);
369void mac68k_bsrrs4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
370 u_int32_t *, size_t);
371
372#if defined(DIAGNOSTIC)
373#define bus_space_read_region_1(t, h, o, a, c) do { \
374 if ((c) == 0) \
375 panic("bus_space_read_region_1 called with zero count."); \
376 (h).bsrr1(t,&(h),o,a,c); } while (0)
377#define bus_space_read_region_2(t, h, o, a, c) do { \
378 if ((c) == 0) \
379 panic("bus_space_read_region_2 called with zero count."); \
380 (h).bsrr2(t,&(h),o,a,c); } while (0)
381#define bus_space_read_region_4(t, h, o, a, c) do { \
382 if ((c) == 0) \
383 panic("bus_space_read_region_4 called with zero count."); \
384 (h).bsrr4(t,&(h),o,a,c); } while (0)
385#define bus_space_read_region_stream_1(t, h, o, a, c) do { \
386 if ((c) == 0) \
387 panic("bus_space_read_region_stream_1 called with count=0."); \
388 (h).bsrrs1(t,&(h),o,a,c); } while (0)
389#define bus_space_read_region_stream_2(t, h, o, a, c) do { \
390 if ((c) == 0) \
391 panic("bus_space_read_region_stream_2 called with count=0."); \
392 (h).bsrrs2(t,&(h),o,a,c); } while (0)
393#define bus_space_read_region_stream_4(t, h, o, a, c) do { \
394 if ((c) == 0) \
395 panic("bus_space_read_region_stream_4 called with count=0."); \
396 (h).bsrrs4(t,&(h),o,a,c); } while (0)
397#else
398#define bus_space_read_region_1(t, h, o, a, c) \
399 do { if (c) (h).bsrr1(t,&(h),o,a,c); } while (0)
400#define bus_space_read_region_2(t, h, o, a, c) \
401 do { if (c) (h).bsrr2(t,&(h),o,a,c); } while (0)
402#define bus_space_read_region_4(t, h, o, a, c) \
403 do { if (c) (h).bsrr4(t,&(h),o,a,c); } while (0)
404#define bus_space_read_region_stream_1(t, h, o, a, c) \
405 do { if (c) (h).bsrrs1(t,&(h),o,a,c); } while (0)
406#define bus_space_read_region_stream_2(t, h, o, a, c) \
407 do { if (c) (h).bsrrs2(t,&(h),o,a,c); } while (0)
408#define bus_space_read_region_stream_4(t, h, o, a, c) \
409 do { if (c) (h).bsrrs4(t,&(h),o,a,c); } while (0)
410#endif
411
412/*
413 * void bus_space_write_N(bus_space_tag_t tag,
414 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t value);
415 *
416 * Write the 1, 2, 4, or 8 byte value `value' to bus space
417 * described by tag/handle/offset.
418 */
419
420void mac68k_bsw1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int8_t);
421void mac68k_bsw1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
422 u_int8_t);
423void mac68k_bsw2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int16_t);
424void mac68k_bsw2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
425 u_int16_t);
426void mac68k_bsw2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
427 u_int16_t);
428void mac68k_bsws2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
429 u_int16_t);
430void mac68k_bsw4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int32_t);
431void mac68k_bsw4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
432 u_int32_t);
433void mac68k_bsw4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
434 u_int32_t);
435void mac68k_bsws4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
436 u_int32_t);
437
438#define bus_space_write_1(t, h, o, v) (h).bsw1(t, &(h), o, v)
439#define bus_space_write_2(t, h, o, v) (h).bsw2(t, &(h), o, v)
440#define bus_space_write_4(t, h, o, v) (h).bsw4(t, &(h), o, v)
441#define bus_space_write_stream_1(t, h, o, v) (h).bsws1(t, &(h), o, v)
442#define bus_space_write_stream_2(t, h, o, v) (h).bsws2(t, &(h), o, v)
443#define bus_space_write_stream_4(t, h, o, v) (h).bsws4(t, &(h), o, v)
444
445/*
446 * void bus_space_write_multi_N(bus_space_tag_t tag,
447 * bus_space_handle_t bsh, bus_size_t offset, const u_intN_t *addr,
448 * size_t count);
449 *
450 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer
451 * provided to bus space described by tag/handle/offset.
452 */
453
454void mac68k_bswm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
455 const u_int8_t *, size_t);
456void mac68k_bswm1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
457 const u_int8_t *, size_t);
458void mac68k_bswm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
459 const u_int16_t *, size_t);
460void mac68k_bswm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
461 const u_int16_t *, size_t);
462void mac68k_bswm2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
463 const u_int16_t *, size_t);
464void mac68k_bswms2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
465 const u_int16_t *, size_t);
466void mac68k_bswm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
467 const u_int32_t *, size_t);
468void mac68k_bswm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
469 const u_int32_t *, size_t);
470void mac68k_bswm4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
471 const u_int32_t *, size_t);
472void mac68k_bswms4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
473 const u_int32_t *, size_t);
474
475#if defined(DIAGNOSTIC)
476#define bus_space_write_multi_1(t, h, o, a, c) do { \
477 if ((c) == 0) \
478 panic("bus_space_write_multi_1 called with zero count."); \
479 (h).bswm1(t,&(h),o,a,c); } while (0)
480#define bus_space_write_multi_2(t, h, o, a, c) do { \
481 if ((c) == 0) \
482 panic("bus_space_write_multi_2 called with zero count."); \
483 (h).bswm2(t,&(h),o,a,c); } while (0)
484#define bus_space_write_multi_4(t, h, o, a, c) do { \
485 if ((c) == 0) \
486 panic("bus_space_write_multi_4 called with zero count."); \
487 (h).bswm4(t,&(h),o,a,c); } while (0)
488#define bus_space_write_multi_stream_1(t, h, o, a, c) do { \
489 if ((c) == 0) \
490 panic("bus_space_write_multi_stream_1 called with count=0."); \
491 (h).bswms1(t,&(h),o,a,c); } while (0)
492#define bus_space_write_multi_stream_2(t, h, o, a, c) do { \
493 if ((c) == 0) \
494 panic("bus_space_write_multi_stream_2 called with count=0."); \
495 (h).bswms2(t,&(h),o,a,c); } while (0)
496#define bus_space_write_multi_stream_4(t, h, o, a, c) do { \
497 if ((c) == 0) \
498 panic("bus_space_write_multi_stream_4 called with count=0."); \
499 (h).bswms4(t,&(h),o,a,c); } while (0)
500#else
501#define bus_space_write_multi_1(t, h, o, a, c) \
502 do { if (c) (h).bswm1(t, &(h), o, a, c); } while (0)
503#define bus_space_write_multi_2(t, h, o, a, c) \
504 do { if (c) (h).bswm2(t, &(h), o, a, c); } while (0)
505#define bus_space_write_multi_4(t, h, o, a, c) \
506 do { if (c) (h).bswm4(t, &(h), o, a, c); } while (0)
507#define bus_space_write_multi_stream_1(t, h, o, a, c) \
508 do { if (c) (h).bswms1(t, &(h), o, a, c); } while (0)
509#define bus_space_write_multi_stream_2(t, h, o, a, c) \
510 do { if (c) (h).bswms2(t, &(h), o, a, c); } while (0)
511#define bus_space_write_multi_stream_4(t, h, o, a, c) \
512 do { if (c) (h).bswms4(t, &(h), o, a, c); } while (0)
513#endif
514
515/*
516 * void bus_space_write_region_N(bus_space_tag_t tag,
517 * bus_space_handle_t bsh, bus_size_t offset, const u_intN_t *addr,
518 * size_t count);
519 *
520 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
521 * to bus space described by tag/handle starting at `offset'.
522 */
523
524void mac68k_bswr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
525 const u_int8_t *, size_t);
526void mac68k_bswr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
527 const u_int8_t *, size_t);
528void mac68k_bswr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
529 const u_int16_t *, size_t);
530void mac68k_bswr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
531 const u_int16_t *, size_t);
532void mac68k_bswr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
533 const u_int16_t *, size_t);
534void mac68k_bswrs2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
535 const u_int16_t *, size_t);
536void mac68k_bswr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
537 const u_int32_t *, size_t);
538void mac68k_bswr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
539 const u_int32_t *, size_t);
540void mac68k_bswr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
541 const u_int32_t *, size_t);
542void mac68k_bswrs4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
543 const u_int32_t *, size_t);
544
545#if defined(DIAGNOSTIC)
546#define bus_space_write_region_1(t, h, o, a, c) do { \
547 if ((c) == 0) \
548 panic("bus_space_write_region_1 called with zero count."); \
549 (h).bswr1(t,&(h),o,a,c); } while (0)
550#define bus_space_write_region_2(t, h, o, a, c) do { \
551 if ((c) == 0) \
552 panic("bus_space_write_region_2 called with zero count."); \
553 (h).bswr2(t,&(h),o,a,c); } while (0)
554#define bus_space_write_region_4(t, h, o, a, c) do { \
555 if ((c) == 0) \
556 panic("bus_space_write_region_4 called with zero count."); \
557 (h).bswr4(t,&(h),o,a,c); } while (0)
558#define bus_space_write_region_stream_1(t, h, o, a, c) do { \
559 if ((c) == 0) \
560 panic("bus_space_write_region_stream_1 called with count=0."); \
561 (h).bswrs1(t,&(h),o,a,c); } while (0)
562#define bus_space_write_region_stream_2(t, h, o, a, c) do { \
563 if ((c) == 0) \
564 panic("bus_space_write_region_stream_2 called with count=0."); \
565 (h).bswrs2(t,&(h),o,a,c); } while (0)
566#define bus_space_write_region_stream_4(t, h, o, a, c) do { \
567 if ((c) == 0) \
568 panic("bus_space_write_region_stream_4 called with count=0."); \
569 (h).bswrs4(t,&(h),o,a,c); } while (0)
570#else
571#define bus_space_write_region_1(t, h, o, a, c) \
572 do { if (c) (h).bswr1(t,&(h),o,a,c); } while (0)
573#define bus_space_write_region_2(t, h, o, a, c) \
574 do { if (c) (h).bswr2(t,&(h),o,a,c); } while (0)
575#define bus_space_write_region_4(t, h, o, a, c) \
576 do { if (c) (h).bswr4(t,&(h),o,a,c); } while (0)
577#define bus_space_write_region_stream_1(t, h, o, a, c) \
578 do { if (c) (h).bswrs1(t,&(h),o,a,c); } while (0)
579#define bus_space_write_region_stream_2(t, h, o, a, c) \
580 do { if (c) (h).bswrs2(t,&(h),o,a,c); } while (0)
581#define bus_space_write_region_stream_4(t, h, o, a, c) \
582 do { if (c) (h).bswrs4(t,&(h),o,a,c); } while (0)
583#endif
584
585/*
586 * void bus_space_set_multi_N(bus_space_tag_t tag,
587 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
588 * size_t count);
589 *
590 * Write the 1, 2, 4, or 8 byte value `val' to bus space described
591 * by tag/handle/offset `count' times.
592 */
593
594void mac68k_bssm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
595 u_int8_t, size_t);
596void mac68k_bssm1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
597 u_int8_t, size_t);
598void mac68k_bssm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
599 u_int16_t, size_t);
600void mac68k_bssm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
601 u_int16_t, size_t);
602void mac68k_bssm2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
603 u_int16_t, size_t);
604void mac68k_bssm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
605 u_int32_t, size_t);
606void mac68k_bssm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
607 u_int32_t, size_t);
608void mac68k_bssm4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
609 u_int32_t, size_t);
610
611#if defined(DIAGNOSTIC)
612#define bus_space_set_multi_1(t, h, o, val, c) do { \
613 if ((c) == 0) \
614 panic("bus_space_set_multi_1 called with zero count."); \
615 (h).bssm1(t,&(h),o,val,c); } while (0)
616#define bus_space_set_multi_2(t, h, o, val, c) do { \
617 if ((c) == 0) \
618 panic("bus_space_set_multi_2 called with zero count."); \
619 (h).bssm2(t,&(h),o,val,c); } while (0)
620#define bus_space_set_multi_4(t, h, o, val, c) do { \
621 if ((c) == 0) \
622 panic("bus_space_set_multi_4 called with zero count."); \
623 (h).bssm4(t,&(h),o,val,c); } while (0)
624#else
625#define bus_space_set_multi_1(t, h, o, val, c) \
626 do { if (c) (h).bssm1(t,&(h),o,val,c); } while (0)
627#define bus_space_set_multi_2(t, h, o, val, c) \
628 do { if (c) (h).bssm2(t,&(h),o,val,c); } while (0)
629#define bus_space_set_multi_4(t, h, o, val, c) \
630 do { if (c) (h).bssm4(t,&(h),o,val,c); } while (0)
631#endif
632
633/*
634 * void bus_space_set_region_N(bus_space_tag_t tag,
635 * bus_space_handle_t bsh, bus_size_t, u_intN_t val,
636 * size_t count);
637 *
638 * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
639 * by tag/handle starting at `offset'.
640 */
641
642void mac68k_bssr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
643 u_int8_t, size_t);
644void mac68k_bssr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
645 u_int8_t, size_t);
646void mac68k_bssr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
647 u_int16_t, size_t);
648void mac68k_bssr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
649 u_int16_t, size_t);
650void mac68k_bssr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
651 u_int16_t, size_t);
652void mac68k_bssr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
653 u_int32_t, size_t);
654void mac68k_bssr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
655 u_int32_t, size_t);
656void mac68k_bssr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
657 u_int32_t, size_t);
658
659#if defined(DIAGNOSTIC)
660#define bus_space_set_region_1(t, h, o, val, c) do { \
661 if ((c) == 0) \
662 panic("bus_space_set_region_1 called with zero count."); \
663 (h).bssr1(t,&(h),o,val,c); } while (0)
664#define bus_space_set_region_2(t, h, o, val, c) do { \
665 if ((c) == 0) \
666 panic("bus_space_set_region_2 called with zero count."); \
667 (h).bssr2(t,&(h),o,val,c); } while (0)
668#define bus_space_set_region_4(t, h, o, val, c) do { \
669 if ((c) == 0) \
670 panic("bus_space_set_region_4 called with zero count."); \
671 (h).bssr4(t,&(h),o,val,c); } while (0)
672#else
673#define bus_space_set_region_1(t, h, o, val, c) \
674 do { if (c) (h).bssr1(t,&(h),o,val,c); } while (0)
675#define bus_space_set_region_2(t, h, o, val, c) \
676 do { if (c) (h).bssr2(t,&(h),o,val,c); } while (0)
677#define bus_space_set_region_4(t, h, o, val, c) \
678 do { if (c) (h).bssr4(t,&(h),o,val,c); } while (0)
679#endif
680
681/*
682 * void bus_space_copy_N(bus_space_tag_t tag,
683 * bus_space_handle_t bsh1, bus_size_t off1,
684 * bus_space_handle_t bsh2, bus_size_t off2, size_t count);
685 *
686 * Copy `count' 1, 2, 4, or 8 byte values from bus space starting
687 * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
688 */
689
690#define __MAC68K_copy_region_N(BYTES) \
691static __inline void __CONCAT(bus_space_copy_region_,BYTES) \
692 (bus_space_tag_t, \
693 bus_space_handle_t, bus_size_t, \
694 bus_space_handle_t, bus_size_t, \
695 bus_size_t); \
696 \
697static __inline void \
698__CONCAT(bus_space_copy_region_,BYTES)( \
699 bus_space_tag_t t, \
700 bus_space_handle_t h1, \
701 bus_size_t o1, \
702 bus_space_handle_t h2, \
703 bus_size_t o2, \
704 bus_size_t c) \
705{ \
706 bus_size_t o; \
707 \
708 if ((h1.base + o1) >= (h2.base + o2)) { \
709 /* src after dest: copy forward */ \
710 for (o = 0; c != 0; c--, o += BYTES) \
711 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \
712 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \
713 } else { \
714 /* dest after src: copy backwards */ \
715 for (o = (c - 1) * BYTES; c != 0; c--, o -= BYTES) \
716 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \
717 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \
718 } \
719}
720__MAC68K_copy_region_N(1)
721__MAC68K_copy_region_N(2)
722__MAC68K_copy_region_N(4)
723
724#undef __MAC68K_copy_region_N
725
726/*
727 * Bus read/write barrier methods.
728 *
729 * void bus_space_barrier(bus_space_tag_t tag, bus_space_handle_t bsh,
730 * bus_size_t offset, bus_size_t len, int flags);
731 *
732 * Note: the 680x0 does not currently require barriers, but we must
733 * provide the flags to MI code.
734 */
735#define bus_space_barrier(t, h, o, l, f) \
736 ((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f)))
737#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
738#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
739
740/*
741 * void *bus_space_vaddr(bus_space_tag_t, bus_space_handle_t);
742 *
743 * Get the kernel virtual address for the mapped bus space.
744 */
745#define bus_space_vaddr(t, h) ((void)(t), (void *)(h.base))
746
747#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
748
749#include <m68k/bus_dma.h>
750
751#endif /* _MAC68K_BUS_H_ */