bus.h revision 1.25
1 /* $NetBSD: bus.h,v 1.25 2006/09/09 06:01:48 tsutsui 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (C) 1997 Scott Reynolds. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. The name of the author may not be used to endorse or promote products 52 * derived from this software without specific prior written permission 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #ifndef _MAC68K_BUS_H_ 67 #define _MAC68K_BUS_H_ 68 69 /* 70 * Value for the mac68k bus space tag, not to be used directly by MI code. 71 */ 72 #define MAC68K_BUS_SPACE_MEM 0 /* space is mem space */ 73 74 #define __BUS_SPACE_HAS_STREAM_METHODS 1 75 76 /* 77 * Bus address and size types 78 */ 79 typedef u_long bus_addr_t; 80 typedef u_long bus_size_t; 81 82 /* 83 * Access methods for bus resources and address space. 84 */ 85 #define BSH_T struct bus_space_handle_s 86 typedef int bus_space_tag_t; 87 typedef struct bus_space_handle_s { 88 u_long base; 89 int swapped; 90 int stride; 91 92 u_int8_t (*bsr1)(bus_space_tag_t, BSH_T *, bus_size_t); 93 u_int16_t (*bsr2)(bus_space_tag_t, BSH_T *, bus_size_t); 94 u_int32_t (*bsr4)(bus_space_tag_t, BSH_T *, bus_size_t); 95 u_int8_t (*bsrs1)(bus_space_tag_t, BSH_T *, bus_size_t); 96 u_int16_t (*bsrs2)(bus_space_tag_t, BSH_T *, bus_size_t); 97 u_int32_t (*bsrs4)(bus_space_tag_t, BSH_T *, bus_size_t); 98 void (*bsrm1)(bus_space_tag_t, BSH_T *, bus_size_t, 99 u_int8_t *, size_t); 100 void (*bsrm2)(bus_space_tag_t, BSH_T *, bus_size_t, 101 u_int16_t *, size_t); 102 void (*bsrm4)(bus_space_tag_t, BSH_T *, bus_size_t, 103 u_int32_t *, size_t); 104 void (*bsrms1)(bus_space_tag_t, BSH_T *, bus_size_t, 105 u_int8_t *, size_t); 106 void (*bsrms2)(bus_space_tag_t, BSH_T *, bus_size_t, 107 u_int16_t *, size_t); 108 void (*bsrms4)(bus_space_tag_t, BSH_T *, bus_size_t, 109 u_int32_t *, size_t); 110 void (*bsrr1)(bus_space_tag_t, BSH_T *, bus_size_t, 111 u_int8_t *, size_t); 112 void (*bsrr2)(bus_space_tag_t, BSH_T *, bus_size_t, 113 u_int16_t *, size_t); 114 void (*bsrr4)(bus_space_tag_t, BSH_T *, bus_size_t, 115 u_int32_t *, size_t); 116 void (*bsrrs1)(bus_space_tag_t, BSH_T *, bus_size_t, 117 u_int8_t *, size_t); 118 void (*bsrrs2)(bus_space_tag_t, BSH_T *, bus_size_t, 119 u_int16_t *, size_t); 120 void (*bsrrs4)(bus_space_tag_t, BSH_T *, bus_size_t, 121 u_int32_t *, size_t); 122 void (*bsw1)(bus_space_tag_t, BSH_T *, bus_size_t, u_int8_t); 123 void (*bsw2)(bus_space_tag_t, BSH_T *, bus_size_t, 124 u_int16_t); 125 void (*bsw4)(bus_space_tag_t, BSH_T *, bus_size_t, 126 u_int32_t); 127 void (*bsws1)(bus_space_tag_t, BSH_T *, bus_size_t, 128 u_int8_t); 129 void (*bsws2)(bus_space_tag_t, BSH_T *, bus_size_t, 130 u_int16_t); 131 void (*bsws4)(bus_space_tag_t, BSH_T *, bus_size_t, 132 u_int32_t); 133 void (*bswm1)(bus_space_tag_t, BSH_T *, bus_size_t, 134 const u_int8_t *, size_t); 135 void (*bswm2)(bus_space_tag_t, BSH_T *, bus_size_t, 136 const u_int16_t *, size_t); 137 void (*bswm4)(bus_space_tag_t, BSH_T *, bus_size_t, 138 const u_int32_t *, size_t); 139 void (*bswms1)(bus_space_tag_t, BSH_T *, bus_size_t, 140 const u_int8_t *, size_t); 141 void (*bswms2)(bus_space_tag_t, BSH_T *, bus_size_t, 142 const u_int16_t *, size_t); 143 void (*bswms4)(bus_space_tag_t, BSH_T *, bus_size_t, 144 const u_int32_t *, size_t); 145 void (*bswr1)(bus_space_tag_t, BSH_T *, bus_size_t, 146 const u_int8_t *, size_t); 147 void (*bswr2)(bus_space_tag_t, BSH_T *, bus_size_t, 148 const u_int16_t *, size_t); 149 void (*bswr4)(bus_space_tag_t, BSH_T *, bus_size_t, 150 const u_int32_t *, size_t); 151 void (*bswrs1)(bus_space_tag_t, BSH_T *, bus_size_t, 152 const u_int8_t *, size_t); 153 void (*bswrs2)(bus_space_tag_t, BSH_T *, bus_size_t, 154 const u_int16_t *, size_t); 155 void (*bswrs4)(bus_space_tag_t, BSH_T *, bus_size_t, 156 const u_int32_t *, size_t); 157 void (*bssm1)(bus_space_tag_t, BSH_T *, bus_size_t, 158 u_int8_t v, size_t); 159 void (*bssm2)(bus_space_tag_t, BSH_T *, bus_size_t, 160 u_int16_t v, size_t); 161 void (*bssm4)(bus_space_tag_t, BSH_T *, bus_size_t, 162 u_int32_t v, size_t); 163 void (*bssr1)(bus_space_tag_t, BSH_T *, bus_size_t, 164 u_int8_t v, size_t); 165 void (*bssr2)(bus_space_tag_t, BSH_T *, bus_size_t, 166 u_int16_t v, size_t); 167 void (*bssr4)(bus_space_tag_t, BSH_T *, bus_size_t, 168 u_int32_t v, size_t); 169 } bus_space_handle_t; 170 #undef BSH_T 171 172 void mac68k_bus_space_handle_swapped(bus_space_tag_t, 173 bus_space_handle_t *); 174 void mac68k_bus_space_handle_set_stride(bus_space_tag_t, 175 bus_space_handle_t *, int); 176 177 /* 178 * int bus_space_map(bus_space_tag_t t, bus_addr_t addr, 179 * bus_size_t size, int flags, bus_space_handle_t *bshp); 180 * 181 * Map a region of bus space. 182 */ 183 184 #define BUS_SPACE_MAP_CACHEABLE 0x01 185 #define BUS_SPACE_MAP_LINEAR 0x02 186 #define BUS_SPACE_MAP_PREFETCHABLE 0x04 187 188 int bus_space_map(bus_space_tag_t, bus_addr_t, bus_size_t, 189 int, bus_space_handle_t *); 190 191 /* 192 * void bus_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, 193 * bus_size_t size); 194 * 195 * Unmap a region of bus space. 196 */ 197 198 void bus_space_unmap(bus_space_tag_t, bus_space_handle_t, bus_size_t); 199 200 /* 201 * int bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh, 202 * bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp); 203 * 204 * Get a new handle for a subregion of an already-mapped area of bus space. 205 */ 206 207 int bus_space_subregion(bus_space_tag_t, bus_space_handle_t, 208 bus_size_t, bus_size_t size, bus_space_handle_t *); 209 210 /* 211 * int bus_space_alloc(bus_space_tag_t t, bus_addr_t, rstart, 212 * bus_addr_t rend, bus_size_t size, bus_size_t align, 213 * bus_size_t boundary, int flags, bus_addr_t *addrp, 214 * bus_space_handle_t *bshp); 215 * 216 * Allocate a region of bus space. 217 */ 218 219 int bus_space_alloc(bus_space_tag_t, bus_addr_t rstart, 220 bus_addr_t rend, bus_size_t size, bus_size_t align, 221 bus_size_t boundary, int cacheable, bus_addr_t *addrp, 222 bus_space_handle_t *bshp); 223 224 /* 225 * int bus_space_free(bus_space_tag_t t, bus_space_handle_t bsh, 226 * bus_size_t size); 227 * 228 * Free a region of bus space. 229 */ 230 231 void bus_space_free(bus_space_tag_t, bus_space_handle_t bsh, 232 bus_size_t size); 233 234 /* 235 * int mac68k_bus_space_probe(bus_space_tag_t t, bus_space_handle_t bsh, 236 * bus_size_t offset, int sz); 237 * 238 * Probe the bus at t/bsh/offset, using sz as the size of the load. 239 * 240 * This is a machine-dependent extension, and is not to be used by 241 * machine-independent code. 242 */ 243 244 int mac68k_bus_space_probe(bus_space_tag_t, 245 bus_space_handle_t bsh, bus_size_t, int sz); 246 247 /* 248 * u_intN_t bus_space_read_N(bus_space_tag_t tag, 249 * bus_space_handle_t bsh, bus_size_t offset); 250 * 251 * Read a 1, 2, 4, or 8 byte quantity from bus space 252 * described by tag/handle/offset. 253 */ 254 255 u_int8_t mac68k_bsr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 256 u_int8_t mac68k_bsr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 257 u_int16_t mac68k_bsr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 258 u_int16_t mac68k_bsr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 259 u_int16_t mac68k_bsr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 260 u_int16_t mac68k_bsrs2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 261 u_int32_t mac68k_bsr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 262 u_int32_t mac68k_bsr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 263 u_int32_t mac68k_bsr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 264 u_int32_t mac68k_bsrs4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 265 266 #define bus_space_read_1(t,h,o) (h).bsr1((t), &(h), (o)) 267 #define bus_space_read_2(t,h,o) (h).bsr2((t), &(h), (o)) 268 #define bus_space_read_4(t,h,o) (h).bsr4((t), &(h), (o)) 269 #define bus_space_read_stream_1(t,h,o) (h).bsrs1((t), &(h), (o)) 270 #define bus_space_read_stream_2(t,h,o) (h).bsrs2((t), &(h), (o)) 271 #define bus_space_read_stream_4(t,h,o) (h).bsrs4((t), &(h), (o)) 272 273 #if 0 /* Cause a link error for bus_space_read_8 */ 274 #define bus_space_read_8(t, h, o) !!! bus_space_read_8 unimplemented !!! 275 #define bus_space_read_stream_8(t, h, o) \ 276 !!! bus_space_read_stream_8 unimplemented !!! 277 #endif 278 279 /* 280 * void bus_space_read_multi_N(bus_space_tag_t tag, 281 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t *addr, 282 * size_t count); 283 * 284 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 285 * described by tag/handle/offset and copy into buffer provided. 286 */ 287 288 void mac68k_bsrm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 289 u_int8_t *, size_t); 290 void mac68k_bsrm1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 291 u_int8_t *, size_t); 292 void mac68k_bsrm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 293 u_int16_t *, size_t); 294 void mac68k_bsrm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 295 u_int16_t *, size_t); 296 void mac68k_bsrm2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 297 u_int16_t *, size_t); 298 void mac68k_bsrms2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 299 u_int16_t *, size_t); 300 void mac68k_bsrm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 301 u_int32_t *, size_t); 302 void mac68k_bsrms4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 303 u_int32_t *, size_t); 304 void mac68k_bsrm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 305 u_int32_t *, size_t); 306 void mac68k_bsrm4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 307 u_int32_t *, size_t); 308 void mac68k_bsrms4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 309 u_int32_t *, size_t); 310 311 #if defined(DIAGNOSTIC) 312 #define bus_space_read_multi_1(t, h, o, a, c) do { \ 313 if ((c) == 0) \ 314 panic("bus_space_read_multi_1 called with zero count."); \ 315 (h).bsrm1(t,&(h),o,a,c); } while (0) 316 #define bus_space_read_multi_2(t, h, o, a, c) do { \ 317 if ((c) == 0) \ 318 panic("bus_space_read_multi_2 called with zero count."); \ 319 (h).bsrm2(t,&(h),o,a,c); } while (0) 320 #define bus_space_read_multi_4(t, h, o, a, c) do { \ 321 if ((c) == 0) \ 322 panic("bus_space_read_multi_4 called with zero count."); \ 323 (h).bsrm4(t,&(h),o,a,c); } while (0) 324 #define bus_space_read_multi_stream_1(t, h, o, a, c) do { \ 325 if ((c) == 0) \ 326 panic("bus_space_read_multi_stream_1 called with count=0."); \ 327 (h).bsrms1(t,&(h),o,a,c); } while (0) 328 #define bus_space_read_multi_stream_2(t, h, o, a, c) do { \ 329 if ((c) == 0) \ 330 panic("bus_space_read_multi_stream_2 called with count=0."); \ 331 (h).bsrms2(t,&(h),o,a,c); } while (0) 332 #define bus_space_read_multi_stream_4(t, h, o, a, c) do { \ 333 if ((c) == 0) \ 334 panic("bus_space_read_multi_stream_4 called with count=0."); \ 335 (h).bsrms4(t,&(h),o,a,c); } while (0) 336 #else 337 #define bus_space_read_multi_1(t, h, o, a, c) \ 338 do { if (c) (h).bsrm1(t, &(h), o, a, c); } while (0) 339 #define bus_space_read_multi_2(t, h, o, a, c) \ 340 do { if (c) (h).bsrm2(t, &(h), o, a, c); } while (0) 341 #define bus_space_read_multi_4(t, h, o, a, c) \ 342 do { if (c) (h).bsrm4(t, &(h), o, a, c); } while (0) 343 #define bus_space_read_multi_stream_1(t, h, o, a, c) \ 344 do { if (c) (h).bsrms1(t, &(h), o, a, c); } while (0) 345 #define bus_space_read_multi_stream_2(t, h, o, a, c) \ 346 do { if (c) (h).bsrms2(t, &(h), o, a, c); } while (0) 347 #define bus_space_read_multi_stream_4(t, h, o, a, c) \ 348 do { if (c) (h).bsrms4(t, &(h), o, a, c); } while (0) 349 #endif 350 351 #if 0 /* Cause a link error for bus_space_read_multi_8 */ 352 #define bus_space_read_multi_8 !!! bus_space_read_multi_8 unimplemented !!! 353 #define bus_space_read_multi_stream_8 \ 354 !!! bus_space_read_multi_stream_8 unimplemented !!! 355 #endif 356 357 /* 358 * void bus_space_read_region_N(bus_space_tag_t tag, 359 * bus_space_handle_t bsh, bus_size_t offset, 360 * u_intN_t *addr, size_t count); 361 * 362 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 363 * described by tag/handle and starting at `offset' and copy into 364 * buffer provided. 365 */ 366 367 void mac68k_bsrr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 368 u_int8_t *, size_t); 369 void mac68k_bsrr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 370 u_int8_t *, size_t); 371 void mac68k_bsrr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 372 u_int16_t *, size_t); 373 void mac68k_bsrr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 374 u_int16_t *, size_t); 375 void mac68k_bsrr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 376 u_int16_t *, size_t); 377 void mac68k_bsrrs2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 378 u_int16_t *, size_t); 379 void mac68k_bsrr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 380 u_int32_t *, size_t); 381 void mac68k_bsrr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 382 u_int32_t *, size_t); 383 void mac68k_bsrr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 384 u_int32_t *, size_t); 385 void mac68k_bsrrs4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 386 u_int32_t *, size_t); 387 388 #if defined(DIAGNOSTIC) 389 #define bus_space_read_region_1(t, h, o, a, c) do { \ 390 if ((c) == 0) \ 391 panic("bus_space_read_region_1 called with zero count."); \ 392 (h).bsrr1(t,&(h),o,a,c); } while (0) 393 #define bus_space_read_region_2(t, h, o, a, c) do { \ 394 if ((c) == 0) \ 395 panic("bus_space_read_region_2 called with zero count."); \ 396 (h).bsrr2(t,&(h),o,a,c); } while (0) 397 #define bus_space_read_region_4(t, h, o, a, c) do { \ 398 if ((c) == 0) \ 399 panic("bus_space_read_region_4 called with zero count."); \ 400 (h).bsrr4(t,&(h),o,a,c); } while (0) 401 #define bus_space_read_region_stream_1(t, h, o, a, c) do { \ 402 if ((c) == 0) \ 403 panic("bus_space_read_region_stream_1 called with count=0."); \ 404 (h).bsrrs1(t,&(h),o,a,c); } while (0) 405 #define bus_space_read_region_stream_2(t, h, o, a, c) do { \ 406 if ((c) == 0) \ 407 panic("bus_space_read_region_stream_2 called with count=0."); \ 408 (h).bsrrs2(t,&(h),o,a,c); } while (0) 409 #define bus_space_read_region_stream_4(t, h, o, a, c) do { \ 410 if ((c) == 0) \ 411 panic("bus_space_read_region_stream_4 called with count=0."); \ 412 (h).bsrrs4(t,&(h),o,a,c); } while (0) 413 #else 414 #define bus_space_read_region_1(t, h, o, a, c) \ 415 do { if (c) (h).bsrr1(t,&(h),o,a,c); } while (0) 416 #define bus_space_read_region_2(t, h, o, a, c) \ 417 do { if (c) (h).bsrr2(t,&(h),o,a,c); } while (0) 418 #define bus_space_read_region_4(t, h, o, a, c) \ 419 do { if (c) (h).bsrr4(t,&(h),o,a,c); } while (0) 420 #define bus_space_read_region_stream_1(t, h, o, a, c) \ 421 do { if (c) (h).bsrrs1(t,&(h),o,a,c); } while (0) 422 #define bus_space_read_region_stream_2(t, h, o, a, c) \ 423 do { if (c) (h).bsrrs2(t,&(h),o,a,c); } while (0) 424 #define bus_space_read_region_stream_4(t, h, o, a, c) \ 425 do { if (c) (h).bsrrs4(t,&(h),o,a,c); } while (0) 426 #endif 427 428 #if 0 /* Cause a link error for bus_space_read_region_8 */ 429 #define bus_space_read_region_8 !!! bus_space_read_region_8 unimplemented !!! 430 #define bus_space_read_region_stream_8 \ 431 !!! bus_space_read_region_stream_8 unimplemented !!! 432 #endif 433 434 /* 435 * void bus_space_write_N(bus_space_tag_t tag, 436 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t value); 437 * 438 * Write the 1, 2, 4, or 8 byte value `value' to bus space 439 * described by tag/handle/offset. 440 */ 441 442 void mac68k_bsw1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int8_t); 443 void mac68k_bsw1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 444 u_int8_t); 445 void mac68k_bsw2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int16_t); 446 void mac68k_bsw2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 447 u_int16_t); 448 void mac68k_bsw2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 449 u_int16_t); 450 void mac68k_bsws2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 451 u_int16_t); 452 void mac68k_bsw4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int32_t); 453 void mac68k_bsw4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 454 u_int32_t); 455 void mac68k_bsw4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 456 u_int32_t); 457 void mac68k_bsws4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 458 u_int32_t); 459 460 #define bus_space_write_1(t, h, o, v) (h).bsw1(t, &(h), o, v) 461 #define bus_space_write_2(t, h, o, v) (h).bsw2(t, &(h), o, v) 462 #define bus_space_write_4(t, h, o, v) (h).bsw4(t, &(h), o, v) 463 #define bus_space_write_stream_1(t, h, o, v) (h).bsws1(t, &(h), o, v) 464 #define bus_space_write_stream_2(t, h, o, v) (h).bsws2(t, &(h), o, v) 465 #define bus_space_write_stream_4(t, h, o, v) (h).bsws4(t, &(h), o, v) 466 467 #if 0 /* Cause a link error for bus_space_write_8 */ 468 #define bus_space_write_8 !!! bus_space_write_8 not implemented !!! 469 #define bus_space_write_stream_8 \ 470 !!! bus_space_write_stream_8 not implemented !!! 471 #endif 472 473 /* 474 * void bus_space_write_multi_N(bus_space_tag_t tag, 475 * bus_space_handle_t bsh, bus_size_t offset, const u_intN_t *addr, 476 * size_t count); 477 * 478 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer 479 * provided to bus space described by tag/handle/offset. 480 */ 481 482 void mac68k_bswm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 483 const u_int8_t *, size_t); 484 void mac68k_bswm1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 485 const u_int8_t *, size_t); 486 void mac68k_bswm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 487 const u_int16_t *, size_t); 488 void mac68k_bswm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 489 const u_int16_t *, size_t); 490 void mac68k_bswm2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 491 const u_int16_t *, size_t); 492 void mac68k_bswms2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 493 const u_int16_t *, size_t); 494 void mac68k_bswm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 495 const u_int32_t *, size_t); 496 void mac68k_bswm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 497 const u_int32_t *, size_t); 498 void mac68k_bswm4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 499 const u_int32_t *, size_t); 500 void mac68k_bswms4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 501 const u_int32_t *, size_t); 502 503 #if defined(DIAGNOSTIC) 504 #define bus_space_write_multi_1(t, h, o, a, c) do { \ 505 if ((c) == 0) \ 506 panic("bus_space_write_multi_1 called with zero count."); \ 507 (h).bswm1(t,&(h),o,a,c); } while (0) 508 #define bus_space_write_multi_2(t, h, o, a, c) do { \ 509 if ((c) == 0) \ 510 panic("bus_space_write_multi_2 called with zero count."); \ 511 (h).bswm2(t,&(h),o,a,c); } while (0) 512 #define bus_space_write_multi_4(t, h, o, a, c) do { \ 513 if ((c) == 0) \ 514 panic("bus_space_write_multi_4 called with zero count."); \ 515 (h).bswm4(t,&(h),o,a,c); } while (0) 516 #define bus_space_write_multi_stream_1(t, h, o, a, c) do { \ 517 if ((c) == 0) \ 518 panic("bus_space_write_multi_stream_1 called with count=0."); \ 519 (h).bswms1(t,&(h),o,a,c); } while (0) 520 #define bus_space_write_multi_stream_2(t, h, o, a, c) do { \ 521 if ((c) == 0) \ 522 panic("bus_space_write_multi_stream_2 called with count=0."); \ 523 (h).bswms2(t,&(h),o,a,c); } while (0) 524 #define bus_space_write_multi_stream_4(t, h, o, a, c) do { \ 525 if ((c) == 0) \ 526 panic("bus_space_write_multi_stream_4 called with count=0."); \ 527 (h).bswms4(t,&(h),o,a,c); } while (0) 528 #else 529 #define bus_space_write_multi_1(t, h, o, a, c) \ 530 do { if (c) (h).bswm1(t, &(h), o, a, c); } while (0) 531 #define bus_space_write_multi_2(t, h, o, a, c) \ 532 do { if (c) (h).bswm2(t, &(h), o, a, c); } while (0) 533 #define bus_space_write_multi_4(t, h, o, a, c) \ 534 do { if (c) (h).bswm4(t, &(h), o, a, c); } while (0) 535 #define bus_space_write_multi_stream_1(t, h, o, a, c) \ 536 do { if (c) (h).bswms1(t, &(h), o, a, c); } while (0) 537 #define bus_space_write_multi_stream_2(t, h, o, a, c) \ 538 do { if (c) (h).bswms2(t, &(h), o, a, c); } while (0) 539 #define bus_space_write_multi_stream_4(t, h, o, a, c) \ 540 do { if (c) (h).bswms4(t, &(h), o, a, c); } while (0) 541 #endif 542 543 #if 0 /* Cause a link error for bus_space_write_8 */ 544 #define bus_space_write_multi_8(t, h, o, a, c) \ 545 !!! bus_space_write_multi_8 unimplimented !!! 546 #define bus_space_write_multi_stream_8(t, h, o, a, c) \ 547 !!! bus_space_write_multi_stream_8 unimplimented !!! 548 #endif 549 550 /* 551 * void bus_space_write_region_N(bus_space_tag_t tag, 552 * bus_space_handle_t bsh, bus_size_t offset, const u_intN_t *addr, 553 * size_t count); 554 * 555 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided 556 * to bus space described by tag/handle starting at `offset'. 557 */ 558 559 void mac68k_bswr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 560 const u_int8_t *, size_t); 561 void mac68k_bswr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 562 const u_int8_t *, size_t); 563 void mac68k_bswr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 564 const u_int16_t *, size_t); 565 void mac68k_bswr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 566 const u_int16_t *, size_t); 567 void mac68k_bswr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 568 const u_int16_t *, size_t); 569 void mac68k_bswrs2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 570 const u_int16_t *, size_t); 571 void mac68k_bswr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 572 const u_int32_t *, size_t); 573 void mac68k_bswr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 574 const u_int32_t *, size_t); 575 void mac68k_bswr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 576 const u_int32_t *, size_t); 577 void mac68k_bswrs4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 578 const u_int32_t *, size_t); 579 580 #if defined(DIAGNOSTIC) 581 #define bus_space_write_region_1(t, h, o, a, c) do { \ 582 if ((c) == 0) \ 583 panic("bus_space_write_region_1 called with zero count."); \ 584 (h).bswr1(t,&(h),o,a,c); } while (0) 585 #define bus_space_write_region_2(t, h, o, a, c) do { \ 586 if ((c) == 0) \ 587 panic("bus_space_write_region_2 called with zero count."); \ 588 (h).bswr2(t,&(h),o,a,c); } while (0) 589 #define bus_space_write_region_4(t, h, o, a, c) do { \ 590 if ((c) == 0) \ 591 panic("bus_space_write_region_4 called with zero count."); \ 592 (h).bswr4(t,&(h),o,a,c); } while (0) 593 #define bus_space_write_region_stream_1(t, h, o, a, c) do { \ 594 if ((c) == 0) \ 595 panic("bus_space_write_region_stream_1 called with count=0."); \ 596 (h).bswrs1(t,&(h),o,a,c); } while (0) 597 #define bus_space_write_region_stream_2(t, h, o, a, c) do { \ 598 if ((c) == 0) \ 599 panic("bus_space_write_region_stream_2 called with count=0."); \ 600 (h).bswrs2(t,&(h),o,a,c); } while (0) 601 #define bus_space_write_region_stream_4(t, h, o, a, c) do { \ 602 if ((c) == 0) \ 603 panic("bus_space_write_region_stream_4 called with count=0."); \ 604 (h).bswrs4(t,&(h),o,a,c); } while (0) 605 #else 606 #define bus_space_write_region_1(t, h, o, a, c) \ 607 do { if (c) (h).bswr1(t,&(h),o,a,c); } while (0) 608 #define bus_space_write_region_2(t, h, o, a, c) \ 609 do { if (c) (h).bswr2(t,&(h),o,a,c); } while (0) 610 #define bus_space_write_region_4(t, h, o, a, c) \ 611 do { if (c) (h).bswr4(t,&(h),o,a,c); } while (0) 612 #define bus_space_write_region_stream_1(t, h, o, a, c) \ 613 do { if (c) (h).bswrs1(t,&(h),o,a,c); } while (0) 614 #define bus_space_write_region_stream_2(t, h, o, a, c) \ 615 do { if (c) (h).bswrs2(t,&(h),o,a,c); } while (0) 616 #define bus_space_write_region_stream_4(t, h, o, a, c) \ 617 do { if (c) (h).bswrs4(t,&(h),o,a,c); } while (0) 618 #endif 619 620 #if 0 /* Cause a link error for bus_space_write_region_8 */ 621 #define bus_space_write_region_8 \ 622 !!! bus_space_write_region_8 unimplemented !!! 623 #define bus_space_write_region_stream_8 \ 624 !!! bus_space_write_region_stream_8 unimplemented !!! 625 #endif 626 627 /* 628 * void bus_space_set_multi_N(bus_space_tag_t tag, 629 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, 630 * size_t count); 631 * 632 * Write the 1, 2, 4, or 8 byte value `val' to bus space described 633 * by tag/handle/offset `count' times. 634 */ 635 636 void mac68k_bssm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 637 u_int8_t, size_t); 638 void mac68k_bssm1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 639 u_int8_t, size_t); 640 void mac68k_bssm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 641 u_int16_t, size_t); 642 void mac68k_bssm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 643 u_int16_t, size_t); 644 void mac68k_bssm2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 645 u_int16_t, size_t); 646 void mac68k_bssm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 647 u_int32_t, size_t); 648 void mac68k_bssm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 649 u_int32_t, size_t); 650 void mac68k_bssm4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 651 u_int32_t, size_t); 652 653 #if defined(DIAGNOSTIC) 654 #define bus_space_set_multi_1(t, h, o, val, c) do { \ 655 if ((c) == 0) \ 656 panic("bus_space_set_multi_1 called with zero count."); \ 657 (h).bssm1(t,&(h),o,val,c); } while (0) 658 #define bus_space_set_multi_2(t, h, o, val, c) do { \ 659 if ((c) == 0) \ 660 panic("bus_space_set_multi_2 called with zero count."); \ 661 (h).bssm2(t,&(h),o,val,c); } while (0) 662 #define bus_space_set_multi_4(t, h, o, val, c) do { \ 663 if ((c) == 0) \ 664 panic("bus_space_set_multi_4 called with zero count."); \ 665 (h).bssm4(t,&(h),o,val,c); } while (0) 666 #else 667 #define bus_space_set_multi_1(t, h, o, val, c) \ 668 do { if (c) (h).bssm1(t,&(h),o,val,c); } while (0) 669 #define bus_space_set_multi_2(t, h, o, val, c) \ 670 do { if (c) (h).bssm2(t,&(h),o,val,c); } while (0) 671 #define bus_space_set_multi_4(t, h, o, val, c) \ 672 do { if (c) (h).bssm4(t,&(h),o,val,c); } while (0) 673 #endif 674 675 #if 0 /* Cause a link error for bus_space_set_multi_8 */ 676 #define bus_space_set_multi_8 \ 677 !!! bus_space_set_multi_8 unimplemented !!! 678 #endif 679 680 /* 681 * void bus_space_set_region_N(bus_space_tag_t tag, 682 * bus_space_handle_t bsh, bus_size_t, u_intN_t val, 683 * size_t count); 684 * 685 * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described 686 * by tag/handle starting at `offset'. 687 */ 688 689 void mac68k_bssr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 690 u_int8_t, size_t); 691 void mac68k_bssr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 692 u_int8_t, size_t); 693 void mac68k_bssr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 694 u_int16_t, size_t); 695 void mac68k_bssr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 696 u_int16_t, size_t); 697 void mac68k_bssr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 698 u_int16_t, size_t); 699 void mac68k_bssr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 700 u_int32_t, size_t); 701 void mac68k_bssr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 702 u_int32_t, size_t); 703 void mac68k_bssr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 704 u_int32_t, size_t); 705 706 #if defined(DIAGNOSTIC) 707 #define bus_space_set_region_1(t, h, o, val, c) do { \ 708 if ((c) == 0) \ 709 panic("bus_space_set_region_1 called with zero count."); \ 710 (h).bssr1(t,&(h),o,val,c); } while (0) 711 #define bus_space_set_region_2(t, h, o, val, c) do { \ 712 if ((c) == 0) \ 713 panic("bus_space_set_region_2 called with zero count."); \ 714 (h).bssr2(t,&(h),o,val,c); } while (0) 715 #define bus_space_set_region_4(t, h, o, val, c) do { \ 716 if ((c) == 0) \ 717 panic("bus_space_set_region_4 called with zero count."); \ 718 (h).bssr4(t,&(h),o,val,c); } while (0) 719 #else 720 #define bus_space_set_region_1(t, h, o, val, c) \ 721 do { if (c) (h).bssr1(t,&(h),o,val,c); } while (0) 722 #define bus_space_set_region_2(t, h, o, val, c) \ 723 do { if (c) (h).bssr2(t,&(h),o,val,c); } while (0) 724 #define bus_space_set_region_4(t, h, o, val, c) \ 725 do { if (c) (h).bssr4(t,&(h),o,val,c); } while (0) 726 #endif 727 728 #if 0 /* Cause a link error for bus_space_set_region_8 */ 729 #define bus_space_set_region_8 \ 730 !!! bus_space_set_region_8 unimplemented !!! 731 #endif 732 733 /* 734 * void bus_space_copy_N(bus_space_tag_t tag, 735 * bus_space_handle_t bsh1, bus_size_t off1, 736 * bus_space_handle_t bsh2, bus_size_t off2, size_t count); 737 * 738 * Copy `count' 1, 2, 4, or 8 byte values from bus space starting 739 * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2. 740 */ 741 742 #define __MAC68K_copy_region_N(BYTES) \ 743 static __inline void __CONCAT(bus_space_copy_region_,BYTES) \ 744 (bus_space_tag_t, \ 745 bus_space_handle_t, bus_size_t, \ 746 bus_space_handle_t, bus_size_t, \ 747 bus_size_t); \ 748 \ 749 static __inline void \ 750 __CONCAT(bus_space_copy_region_,BYTES)( \ 751 bus_space_tag_t t, \ 752 bus_space_handle_t h1, \ 753 bus_size_t o1, \ 754 bus_space_handle_t h2, \ 755 bus_size_t o2, \ 756 bus_size_t c) \ 757 { \ 758 bus_size_t o; \ 759 \ 760 if ((h1.base + o1) >= (h2.base + o2)) { \ 761 /* src after dest: copy forward */ \ 762 for (o = 0; c != 0; c--, o += BYTES) \ 763 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ 764 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ 765 } else { \ 766 /* dest after src: copy backwards */ \ 767 for (o = (c - 1) * BYTES; c != 0; c--, o -= BYTES) \ 768 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ 769 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ 770 } \ 771 } 772 __MAC68K_copy_region_N(1) 773 __MAC68K_copy_region_N(2) 774 __MAC68K_copy_region_N(4) 775 #if 0 /* Cause a link error for bus_space_copy_8 */ 776 #define bus_space_copy_8 \ 777 !!! bus_space_copy_8 unimplemented !!! 778 #endif 779 780 #undef __MAC68K_copy_region_N 781 782 /* 783 * Bus read/write barrier methods. 784 * 785 * void bus_space_barrier(bus_space_tag_t tag, bus_space_handle_t bsh, 786 * bus_size_t offset, bus_size_t len, int flags); 787 * 788 * Note: the 680x0 does not currently require barriers, but we must 789 * provide the flags to MI code. 790 */ 791 #define bus_space_barrier(t, h, o, l, f) \ 792 ((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f))) 793 #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */ 794 #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */ 795 796 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 797 798 #include <m68k/bus_dma.h> 799 800 #endif /* _MAC68K_BUS_H_ */ 801
Indexes created Tue Sep 30 20:09:53 GMT 2025