1/* $NetBSD: bus.h,v 1.11 2003/07/28 17:35:54 thorpej Exp $ */ 2 |
3/*- |
4 * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc. |
5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions --- 49 unchanged lines hidden (view full) --- 62 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 63 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 64 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 65 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 66 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 67 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 68 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 69 * |
70 * $FreeBSD: head/sys/powerpc/include/bus.h 174782 2007-12-19 18:00:50Z marcel $ |
71 */ 72 |
73#ifndef _MACHINE_BUS_H_ 74#define _MACHINE_BUS_H_ |
75 76#include <machine/_bus.h> |
77 |
78#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 79 80#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF |
81#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF |
82#define BUS_SPACE_MAXADDR 0xFFFFFFFF 83#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 84#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 85#define BUS_SPACE_MAXSIZE 0xFFFFFFFF |
86 |
87#define BUS_SPACE_MAP_CACHEABLE 0x01 88#define BUS_SPACE_MAP_LINEAR 0x02 89#define BUS_SPACE_MAP_PREFETCHABLE 0x04 |
90 |
91#define BUS_SPACE_UNRESTRICTED (~0) |
92 |
93#define BUS_SPACE_BARRIER_READ 0x01 94#define BUS_SPACE_BARRIER_WRITE 0x02 |
95 |
96struct bus_space_access; |
97 |
98struct bus_space { 99 /* mapping/unmapping */ 100 int (*bs_map)(bus_addr_t, bus_size_t, int, 101 bus_space_handle_t *); 102 void (*bs_unmap)(bus_size_t); 103 int (*bs_subregion)(bus_space_handle_t, bus_size_t, 104 bus_size_t, bus_space_handle_t *); |
105 |
106 /* allocation/deallocation */ 107 int (*bs_alloc)(bus_addr_t, bus_addr_t, bus_size_t, 108 bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *); 109 void (*bs_free)(bus_space_handle_t, bus_size_t); |
110 |
111 void (*bs_barrier)(bus_space_handle_t, bus_size_t, 112 bus_size_t, int); |
113 |
114 /* Read single. */ 115 uint8_t (*bs_r_1)(bus_space_handle_t, bus_size_t); 116 uint16_t (*bs_r_2)(bus_space_handle_t, bus_size_t); 117 uint32_t (*bs_r_4)(bus_space_handle_t, bus_size_t); 118 uint64_t (*bs_r_8)(bus_space_handle_t, bus_size_t); |
119 |
120 uint16_t (*bs_r_s_2)(bus_space_handle_t, bus_size_t); 121 uint32_t (*bs_r_s_4)(bus_space_handle_t, bus_size_t); 122 uint64_t (*bs_r_s_8)(bus_space_handle_t, bus_size_t); |
123 |
124 /* read multiple */ 125 void (*bs_rm_1)(bus_space_handle_t, bus_size_t, uint8_t *, 126 bus_size_t); 127 void (*bs_rm_2)(bus_space_handle_t, bus_size_t, uint16_t *, 128 bus_size_t); 129 void (*bs_rm_4)(bus_space_handle_t, bus_size_t, uint32_t *, 130 bus_size_t); 131 void (*bs_rm_8)(bus_space_handle_t, bus_size_t, uint64_t *, 132 bus_size_t); |
133 |
134 void (*bs_rm_s_2)(bus_space_handle_t, bus_size_t, uint16_t *, 135 bus_size_t); 136 void (*bs_rm_s_4)(bus_space_handle_t, bus_size_t, uint32_t *, 137 bus_size_t); 138 void (*bs_rm_s_8)(bus_space_handle_t, bus_size_t, uint64_t *, 139 bus_size_t); |
140 |
141 /* read region */ 142 void (*bs_rr_1)(bus_space_handle_t, bus_size_t, uint8_t *, 143 bus_size_t); 144 void (*bs_rr_2)(bus_space_handle_t, bus_size_t, uint16_t *, 145 bus_size_t); 146 void (*bs_rr_4)(bus_space_handle_t, bus_size_t, uint32_t *, 147 bus_size_t); 148 void (*bs_rr_8)(bus_space_handle_t, bus_size_t, uint64_t *, 149 bus_size_t); |
150 |
151 void (*bs_rr_s_2)(bus_space_handle_t, bus_size_t, uint16_t *, 152 bus_size_t); 153 void (*bs_rr_s_4)(bus_space_handle_t, bus_size_t, uint32_t *, 154 bus_size_t); 155 void (*bs_rr_s_8)(bus_space_handle_t, bus_size_t, uint64_t *, 156 bus_size_t); |
157 |
158 /* write */ 159 void (*bs_w_1)(bus_space_handle_t, bus_size_t, uint8_t); 160 void (*bs_w_2)(bus_space_handle_t, bus_size_t, uint16_t); 161 void (*bs_w_4)(bus_space_handle_t, bus_size_t, uint32_t); 162 void (*bs_w_8)(bus_space_handle_t, bus_size_t, uint64_t); |
163 |
164 void (*bs_w_s_2)(bus_space_handle_t, bus_size_t, uint16_t); 165 void (*bs_w_s_4)(bus_space_handle_t, bus_size_t, uint32_t); 166 void (*bs_w_s_8)(bus_space_handle_t, bus_size_t, uint64_t); |
167 |
168 /* write multiple */ 169 void (*bs_wm_1)(bus_space_handle_t, bus_size_t, 170 const uint8_t *, bus_size_t); 171 void (*bs_wm_2)(bus_space_handle_t, bus_size_t, 172 const uint16_t *, bus_size_t); 173 void (*bs_wm_4)(bus_space_handle_t, bus_size_t, 174 const uint32_t *, bus_size_t); 175 void (*bs_wm_8)(bus_space_handle_t, bus_size_t, 176 const uint64_t *, bus_size_t); |
177 |
178 void (*bs_wm_s_2)(bus_space_handle_t, bus_size_t, 179 const uint16_t *, bus_size_t); 180 void (*bs_wm_s_4)(bus_space_handle_t, bus_size_t, 181 const uint32_t *, bus_size_t); 182 void (*bs_wm_s_8)(bus_space_handle_t, bus_size_t, 183 const uint64_t *, bus_size_t); |
184 |
185 /* write region */ 186 void (*bs_wr_1)(bus_space_handle_t, bus_size_t, 187 const uint8_t *, bus_size_t); 188 void (*bs_wr_2)(bus_space_handle_t, bus_size_t, 189 const uint16_t *, bus_size_t); 190 void (*bs_wr_4)(bus_space_handle_t, bus_size_t, 191 const uint32_t *, bus_size_t); 192 void (*bs_wr_8)(bus_space_handle_t, bus_size_t, 193 const uint64_t *, bus_size_t); |
194 |
195 void (*bs_wr_s_2)(bus_space_handle_t, bus_size_t, 196 const uint16_t *, bus_size_t); 197 void (*bs_wr_s_4)(bus_space_handle_t, bus_size_t, 198 const uint32_t *, bus_size_t); 199 void (*bs_wr_s_8)(bus_space_handle_t, bus_size_t, 200 const uint64_t *, bus_size_t); |
201 |
202 /* set multiple */ 203 void (*bs_sm_1)(bus_space_handle_t, bus_size_t, uint8_t, 204 bus_size_t); 205 void (*bs_sm_2)(bus_space_handle_t, bus_size_t, uint16_t, 206 bus_size_t); 207 void (*bs_sm_4)(bus_space_handle_t, bus_size_t, uint32_t, 208 bus_size_t); 209 void (*bs_sm_8)(bus_space_handle_t, bus_size_t, uint64_t, 210 bus_size_t); |
211 |
212 void (*bs_sm_s_2)(bus_space_handle_t, bus_size_t, uint16_t, 213 bus_size_t); 214 void (*bs_sm_s_4)(bus_space_handle_t, bus_size_t, uint32_t, 215 bus_size_t); 216 void (*bs_sm_s_8)(bus_space_handle_t, bus_size_t, uint64_t, 217 bus_size_t); |
218 |
219 /* set region */ 220 void (*bs_sr_1)(bus_space_handle_t, bus_size_t, uint8_t, 221 bus_size_t); 222 void (*bs_sr_2)(bus_space_handle_t, bus_size_t, uint16_t, 223 bus_size_t); 224 void (*bs_sr_4)(bus_space_handle_t, bus_size_t, uint32_t, 225 bus_size_t); 226 void (*bs_sr_8)(bus_space_handle_t, bus_size_t, uint64_t, 227 bus_size_t); |
228 |
229 void (*bs_sr_s_2)(bus_space_handle_t, bus_size_t, uint16_t, 230 bus_size_t); 231 void (*bs_sr_s_4)(bus_space_handle_t, bus_size_t, uint32_t, 232 bus_size_t); 233 void (*bs_sr_s_8)(bus_space_handle_t, bus_size_t, uint64_t, 234 bus_size_t); |
235 |
236 /* copy region */ 237 void (*bs_cr_1)(bus_space_handle_t, bus_size_t, 238 bus_space_handle_t, bus_size_t, bus_size_t); 239 void (*bs_cr_2)(bus_space_handle_t, bus_size_t, 240 bus_space_handle_t, bus_size_t, bus_size_t); 241 void (*bs_cr_4)(bus_space_handle_t, bus_size_t, 242 bus_space_handle_t, bus_size_t, bus_size_t); 243 void (*bs_cr_8)(bus_space_handle_t, bus_size_t, 244 bus_space_handle_t, bus_size_t, bus_size_t); |
245 |
246 void (*bs_cr_s_2)(bus_space_handle_t, bus_size_t, 247 bus_space_handle_t, bus_size_t, bus_size_t); 248 void (*bs_cr_s_4)(bus_space_handle_t, bus_size_t, 249 bus_space_handle_t, bus_size_t, bus_size_t); 250 void (*bs_cr_s_8)(bus_space_handle_t, bus_size_t, 251 bus_space_handle_t, bus_size_t, bus_size_t); 252}; |
253 |
254extern struct bus_space bs_be_tag; 255extern struct bus_space bs_le_tag; |
256 |
257#define __bs_c(a,b) __CONCAT(a,b) 258#define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size) |
259 |
260#define __bs_rs(sz, t, h, o) \ 261 (*(t)->__bs_opname(r,sz))(h, o) 262#define __bs_ws(sz, t, h, o, v) \ 263 (*(t)->__bs_opname(w,sz))(h, o, v) 264#define __bs_nonsingle(type, sz, t, h, o, a, c) \ 265 (*(t)->__bs_opname(type,sz))(h, o, a, c) 266#define __bs_set(type, sz, t, h, o, v, c) \ 267 (*(t)->__bs_opname(type,sz))(h, o, v, c) 268#define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \ 269 (*(t)->__bs_opname(c,sz))(h1, o1, h2, o2, cnt) |
270 |
271/* 272 * Mapping and unmapping operations. 273 */ 274#define bus_space_map(t, a, s, c, hp) (*(t)->bs_map)(a, s, c, hp) 275#define bus_space_unmap(t, h, s) (*(t)->bs_unmap)(h, s) 276#define bus_space_subregion(t, h, o, s, hp) (*(t)->bs_subregion)(h, o, s, hp) |
277 |
278/* 279 * Allocation and deallocation operations. 280 */ 281#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \ 282 (*(t)->bs_alloc)(rs, re, s, a, b, c, ap, hp) 283#define bus_space_free(t, h, s) \ 284 (*(t)->bs_free)(h, s) |
285 |
286/* 287 * Bus barrier operations. 288 */ 289#define bus_space_barrier(t, h, o, l, f) (*(t)->bs_barrier)(h, o, l, f) |
290 |
291/* 292 * Bus read (single) operations. 293 */ 294#define bus_space_read_1(t, h, o) __bs_rs(1,t,h,o) 295#define bus_space_read_2(t, h, o) __bs_rs(2,t,h,o) 296#define bus_space_read_4(t, h, o) __bs_rs(4,t,h,o) 297#define bus_space_read_8(t, h, o) __bs_rs(8,t,h,o) |
298 |
299#define bus_space_read_stream_1 bus_space_read_1 300#define bus_space_read_stream_2(t, h, o) __bs_rs(s_2,t,h,o) 301#define bus_space_read_stream_4(t, h, o) __bs_rs(s_4,t,h,o) 302#define bus_space_read_stream_8(t, h, o) __bs_rs(s_8,t,h,o) |
303 304/* |
305 * Bus read multiple operations. |
306 */ |
307#define bus_space_read_multi_1(t, h, o, a, c) \ 308 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c)) 309#define bus_space_read_multi_2(t, h, o, a, c) \ 310 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c)) 311#define bus_space_read_multi_4(t, h, o, a, c) \ 312 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c)) 313#define bus_space_read_multi_8(t, h, o, a, c) \ 314 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c)) |
315 |
316#define bus_space_read_multi_stream_1 bus_space_read_multi_1 317#define bus_space_read_multi_stream_2(t, h, o, a, c) \ 318 __bs_nonsingle(rm,s_2,(t),(h),(o),(a),(c)) 319#define bus_space_read_multi_stream_4(t, h, o, a, c) \ 320 __bs_nonsingle(rm,s_4,(t),(h),(o),(a),(c)) 321#define bus_space_read_multi_stream_8(t, h, o, a, c) \ 322 __bs_nonsingle(rm,s_8,(t),(h),(o),(a),(c)) |
323 |
324/* |
325 * Bus read region operations. |
326 */ |
327#define bus_space_read_region_1(t, h, o, a, c) \ 328 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c)) 329#define bus_space_read_region_2(t, h, o, a, c) \ 330 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c)) 331#define bus_space_read_region_4(t, h, o, a, c) \ 332 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c)) 333#define bus_space_read_region_8(t, h, o, a, c) \ 334 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c)) |
335 |
336#define bus_space_read_region_stream_1 bus_space_read_region_1 337#define bus_space_read_region_stream_2(t, h, o, a, c) \ 338 __bs_nonsingle(rr,s_2,(t),(h),(o),(a),(c)) 339#define bus_space_read_region_stream_4(t, h, o, a, c) \ 340 __bs_nonsingle(rr,s_4,(t),(h),(o),(a),(c)) 341#define bus_space_read_region_stream_8(t, h, o, a, c) \ 342 __bs_nonsingle(rr,s_8,(t),(h),(o),(a),(c)) |
343 |
344/* |
345 * Bus write (single) operations. |
346 */ |
347#define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v)) 348#define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v)) 349#define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v)) 350#define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v)) |
351 |
352#define bus_space_write_stream_1 bus_space_write_1 353#define bus_space_write_stream_2(t, h, o, v) __bs_ws(s_2,(t),(h),(o),(v)) 354#define bus_space_write_stream_4(t, h, o, v) __bs_ws(s_4,(t),(h),(o),(v)) 355#define bus_space_write_stream_8(t, h, o, v) __bs_ws(s_8,(t),(h),(o),(v)) |
356 |
357/* |
358 * Bus write multiple operations. |
359 */ |
360#define bus_space_write_multi_1(t, h, o, a, c) \ 361 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c)) 362#define bus_space_write_multi_2(t, h, o, a, c) \ 363 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c)) 364#define bus_space_write_multi_4(t, h, o, a, c) \ 365 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c)) 366#define bus_space_write_multi_8(t, h, o, a, c) \ 367 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c)) |
368 |
369#define bus_space_write_multi_stream_1 bus_space_write_multi_1 370#define bus_space_write_multi_stream_2(t, h, o, a, c) \ 371 __bs_nonsingle(wm,s_2,(t),(h),(o),(a),(c)) 372#define bus_space_write_multi_stream_4(t, h, o, a, c) \ 373 __bs_nonsingle(wm,s_4,(t),(h),(o),(a),(c)) 374#define bus_space_write_multi_stream_8(t, h, o, a, c) \ 375 __bs_nonsingle(wm,s_8,(t),(h),(o),(a),(c)) |
376 |
377/* |
378 * Bus write region operations. |
379 */ |
380#define bus_space_write_region_1(t, h, o, a, c) \ 381 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c)) 382#define bus_space_write_region_2(t, h, o, a, c) \ 383 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c)) 384#define bus_space_write_region_4(t, h, o, a, c) \ 385 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c)) 386#define bus_space_write_region_8(t, h, o, a, c) \ 387 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c)) |
388 |
389#define bus_space_write_region_stream_1 bus_space_write_region_1 390#define bus_space_write_region_stream_2(t, h, o, a, c) \ 391 __bs_nonsingle(wr,s_2,(t),(h),(o),(a),(c)) 392#define bus_space_write_region_stream_4(t, h, o, a, c) \ 393 __bs_nonsingle(wr,s_4,(t),(h),(o),(a),(c)) 394#define bus_space_write_region_stream_8(t, h, o, a, c) \ 395 __bs_nonsingle(wr,s_8,(t),(h),(o),(a),(c)) |
396 |
397/* |
398 * Set multiple operations. |
399 */ |
400#define bus_space_set_multi_1(t, h, o, v, c) \ 401 __bs_set(sm,1,(t),(h),(o),(v),(c)) 402#define bus_space_set_multi_2(t, h, o, v, c) \ 403 __bs_set(sm,2,(t),(h),(o),(v),(c)) 404#define bus_space_set_multi_4(t, h, o, v, c) \ 405 __bs_set(sm,4,(t),(h),(o),(v),(c)) 406#define bus_space_set_multi_8(t, h, o, v, c) \ 407 __bs_set(sm,8,(t),(h),(o),(v),(c)) |
408 |
409#define bus_space_set_multi_stream_1 bus_space_set_multi_1 410#define bus_space_set_multi_stream_2(t, h, o, v, c) \ 411 __bs_set(sm,s_2,(t),(h),(o),(v),(c)) 412#define bus_space_set_multi_stream_4(t, h, o, v, c) \ 413 __bs_set(sm,s_4,(t),(h),(o),(v),(c)) 414#define bus_space_set_multi_stream_8(t, h, o, v, c) \ 415 __bs_set(sm,s_8,(t),(h),(o),(v),(c)) |
416 |
417/* |
418 * Set region operations. |
419 */ |
420#define bus_space_set_region_1(t, h, o, v, c) \ 421 __bs_set(sr,1,(t),(h),(o),(v),(c)) 422#define bus_space_set_region_2(t, h, o, v, c) \ 423 __bs_set(sr,2,(t),(h),(o),(v),(c)) 424#define bus_space_set_region_4(t, h, o, v, c) \ 425 __bs_set(sr,4,(t),(h),(o),(v),(c)) 426#define bus_space_set_region_8(t, h, o, v, c) \ 427 __bs_set(sr,8,(t),(h),(o),(v),(c)) |
428 |
429#define bus_space_set_region_stream_1 bus_space_set_region_1 430#define bus_space_set_region_stream_2(t, h, o, v, c) \ 431 __bs_set(sr,s_2,(t),(h),(o),(v),(c)) 432#define bus_space_set_region_stream_4(t, h, o, v, c) \ 433 __bs_set(sr,s_4,(t),(h),(o),(v),(c)) 434#define bus_space_set_region_stream_8(t, h, o, v, c) \ 435 __bs_set(sr,s_8,(t),(h),(o),(v),(c)) |
436 |
437#if 0 |
438/* |
439 * Copy operations. |
440 */ |
441#define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \ 442 __bs_copy(1, t, h1, o1, h2, o2, c) 443#define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \ 444 __bs_copy(2, t, h1, o1, h2, o2, c) 445#define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \ 446 __bs_copy(4, t, h1, o1, h2, o2, c) 447#define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \ 448 __bs_copy(8, t, h1, o1, h2, o2, c) |
449 |
450#define bus_space_copy_region_stream_1 bus_space_copy_region_1 451#define bus_space_copy_region_stream_2(t, h1, o1, h2, o2, c) \ 452 __bs_copy(s_2, t, h1, o1, h2, o2, c) 453#define bus_space_copy_region_stream_4(t, h1, o1, h2, o2, c) \ 454 __bs_copy(s_4, t, h1, o1, h2, o2, c) 455#define bus_space_copy_region_stream_8(t, h1, o1, h2, o2, c) \ 456 __bs_copy(s_8, t, h1, o1, h2, o2, c) 457#endif |
458 |
459#include <machine/bus_dma.h> 460 |
461#endif /* _MACHINE_BUS_H_ */ |