bus.h revision 1.26.88.2
1 /* $NetBSD: bus.h,v 1.26.88.2 2020/04/13 08:03:57 martin 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 */ 72 typedef u_long bus_addr_t; 73 typedef 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 82 typedef int bus_space_tag_t; 83 typedef 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 167 168 void mac68k_bus_space_handle_swapped(bus_space_tag_t, 169 bus_space_handle_t *); 170 void 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 183 184 int 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 */ 193 194 void 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 */ 202 203 int 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 */ 214 215 int 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 */ 226 227 void 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 */ 239 240 int 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 */ 250 251 u_int8_t mac68k_bsr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 252 u_int8_t mac68k_bsr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 253 u_int16_t mac68k_bsr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 254 u_int16_t mac68k_bsr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 255 u_int16_t mac68k_bsr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 256 u_int16_t mac68k_bsrs2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 257 u_int32_t mac68k_bsr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 258 u_int32_t mac68k_bsr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 259 u_int32_t mac68k_bsr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t); 260 u_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 #if 0 /* Cause a link error for bus_space_read_8 */ 270 #define bus_space_read_8(t, h, o) !!! bus_space_read_8 unimplemented !!! 271 #define bus_space_read_stream_8(t, h, o) \ 272 !!! bus_space_read_stream_8 unimplemented !!! 273 #endif 274 275 /* 276 * void bus_space_read_multi_N(bus_space_tag_t tag, 277 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t *addr, 278 * size_t count); 279 * 280 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 281 * described by tag/handle/offset and copy into buffer provided. 282 */ 283 284 void mac68k_bsrm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 285 u_int8_t *, size_t); 286 void mac68k_bsrm1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 287 u_int8_t *, size_t); 288 void mac68k_bsrm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 289 u_int16_t *, size_t); 290 void mac68k_bsrm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 291 u_int16_t *, size_t); 292 void mac68k_bsrm2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 293 u_int16_t *, size_t); 294 void mac68k_bsrms2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 295 u_int16_t *, size_t); 296 void mac68k_bsrm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 297 u_int32_t *, size_t); 298 void mac68k_bsrms4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 299 u_int32_t *, size_t); 300 void mac68k_bsrm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 301 u_int32_t *, size_t); 302 void mac68k_bsrm4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 303 u_int32_t *, size_t); 304 void mac68k_bsrms4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 305 u_int32_t *, size_t); 306 307 #if defined(DIAGNOSTIC) 308 #define bus_space_read_multi_1(t, h, o, a, c) do { \ 309 if ((c) == 0) \ 310 panic("bus_space_read_multi_1 called with zero count."); \ 311 (h).bsrm1(t,&(h),o,a,c); } while (0) 312 #define bus_space_read_multi_2(t, h, o, a, c) do { \ 313 if ((c) == 0) \ 314 panic("bus_space_read_multi_2 called with zero count."); \ 315 (h).bsrm2(t,&(h),o,a,c); } while (0) 316 #define bus_space_read_multi_4(t, h, o, a, c) do { \ 317 if ((c) == 0) \ 318 panic("bus_space_read_multi_4 called with zero count."); \ 319 (h).bsrm4(t,&(h),o,a,c); } while (0) 320 #define bus_space_read_multi_stream_1(t, h, o, a, c) do { \ 321 if ((c) == 0) \ 322 panic("bus_space_read_multi_stream_1 called with count=0."); \ 323 (h).bsrms1(t,&(h),o,a,c); } while (0) 324 #define bus_space_read_multi_stream_2(t, h, o, a, c) do { \ 325 if ((c) == 0) \ 326 panic("bus_space_read_multi_stream_2 called with count=0."); \ 327 (h).bsrms2(t,&(h),o,a,c); } while (0) 328 #define bus_space_read_multi_stream_4(t, h, o, a, c) do { \ 329 if ((c) == 0) \ 330 panic("bus_space_read_multi_stream_4 called with count=0."); \ 331 (h).bsrms4(t,&(h),o,a,c); } while (0) 332 #else 333 #define bus_space_read_multi_1(t, h, o, a, c) \ 334 do { if (c) (h).bsrm1(t, &(h), o, a, c); } while (0) 335 #define bus_space_read_multi_2(t, h, o, a, c) \ 336 do { if (c) (h).bsrm2(t, &(h), o, a, c); } while (0) 337 #define bus_space_read_multi_4(t, h, o, a, c) \ 338 do { if (c) (h).bsrm4(t, &(h), o, a, c); } while (0) 339 #define bus_space_read_multi_stream_1(t, h, o, a, c) \ 340 do { if (c) (h).bsrms1(t, &(h), o, a, c); } while (0) 341 #define bus_space_read_multi_stream_2(t, h, o, a, c) \ 342 do { if (c) (h).bsrms2(t, &(h), o, a, c); } while (0) 343 #define bus_space_read_multi_stream_4(t, h, o, a, c) \ 344 do { if (c) (h).bsrms4(t, &(h), o, a, c); } while (0) 345 #endif 346 347 #if 0 /* Cause a link error for bus_space_read_multi_8 */ 348 #define bus_space_read_multi_8 !!! bus_space_read_multi_8 unimplemented !!! 349 #define bus_space_read_multi_stream_8 \ 350 !!! bus_space_read_multi_stream_8 unimplemented !!! 351 #endif 352 353 /* 354 * void bus_space_read_region_N(bus_space_tag_t tag, 355 * bus_space_handle_t bsh, bus_size_t offset, 356 * u_intN_t *addr, size_t count); 357 * 358 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 359 * described by tag/handle and starting at `offset' and copy into 360 * buffer provided. 361 */ 362 363 void mac68k_bsrr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 364 u_int8_t *, size_t); 365 void mac68k_bsrr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 366 u_int8_t *, size_t); 367 void mac68k_bsrr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 368 u_int16_t *, size_t); 369 void mac68k_bsrr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 370 u_int16_t *, size_t); 371 void mac68k_bsrr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 372 u_int16_t *, size_t); 373 void mac68k_bsrrs2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 374 u_int16_t *, size_t); 375 void mac68k_bsrr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 376 u_int32_t *, size_t); 377 void mac68k_bsrr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 378 u_int32_t *, size_t); 379 void mac68k_bsrr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 380 u_int32_t *, size_t); 381 void mac68k_bsrrs4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 382 u_int32_t *, size_t); 383 384 #if defined(DIAGNOSTIC) 385 #define bus_space_read_region_1(t, h, o, a, c) do { \ 386 if ((c) == 0) \ 387 panic("bus_space_read_region_1 called with zero count."); \ 388 (h).bsrr1(t,&(h),o,a,c); } while (0) 389 #define bus_space_read_region_2(t, h, o, a, c) do { \ 390 if ((c) == 0) \ 391 panic("bus_space_read_region_2 called with zero count."); \ 392 (h).bsrr2(t,&(h),o,a,c); } while (0) 393 #define bus_space_read_region_4(t, h, o, a, c) do { \ 394 if ((c) == 0) \ 395 panic("bus_space_read_region_4 called with zero count."); \ 396 (h).bsrr4(t,&(h),o,a,c); } while (0) 397 #define bus_space_read_region_stream_1(t, h, o, a, c) do { \ 398 if ((c) == 0) \ 399 panic("bus_space_read_region_stream_1 called with count=0."); \ 400 (h).bsrrs1(t,&(h),o,a,c); } while (0) 401 #define bus_space_read_region_stream_2(t, h, o, a, c) do { \ 402 if ((c) == 0) \ 403 panic("bus_space_read_region_stream_2 called with count=0."); \ 404 (h).bsrrs2(t,&(h),o,a,c); } while (0) 405 #define bus_space_read_region_stream_4(t, h, o, a, c) do { \ 406 if ((c) == 0) \ 407 panic("bus_space_read_region_stream_4 called with count=0."); \ 408 (h).bsrrs4(t,&(h),o,a,c); } while (0) 409 #else 410 #define bus_space_read_region_1(t, h, o, a, c) \ 411 do { if (c) (h).bsrr1(t,&(h),o,a,c); } while (0) 412 #define bus_space_read_region_2(t, h, o, a, c) \ 413 do { if (c) (h).bsrr2(t,&(h),o,a,c); } while (0) 414 #define bus_space_read_region_4(t, h, o, a, c) \ 415 do { if (c) (h).bsrr4(t,&(h),o,a,c); } while (0) 416 #define bus_space_read_region_stream_1(t, h, o, a, c) \ 417 do { if (c) (h).bsrrs1(t,&(h),o,a,c); } while (0) 418 #define bus_space_read_region_stream_2(t, h, o, a, c) \ 419 do { if (c) (h).bsrrs2(t,&(h),o,a,c); } while (0) 420 #define bus_space_read_region_stream_4(t, h, o, a, c) \ 421 do { if (c) (h).bsrrs4(t,&(h),o,a,c); } while (0) 422 #endif 423 424 #if 0 /* Cause a link error for bus_space_read_region_8 */ 425 #define bus_space_read_region_8 !!! bus_space_read_region_8 unimplemented !!! 426 #define bus_space_read_region_stream_8 \ 427 !!! bus_space_read_region_stream_8 unimplemented !!! 428 #endif 429 430 /* 431 * void bus_space_write_N(bus_space_tag_t tag, 432 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t value); 433 * 434 * Write the 1, 2, 4, or 8 byte value `value' to bus space 435 * described by tag/handle/offset. 436 */ 437 438 void mac68k_bsw1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int8_t); 439 void mac68k_bsw1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 440 u_int8_t); 441 void mac68k_bsw2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int16_t); 442 void mac68k_bsw2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 443 u_int16_t); 444 void mac68k_bsw2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 445 u_int16_t); 446 void mac68k_bsws2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 447 u_int16_t); 448 void mac68k_bsw4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int32_t); 449 void mac68k_bsw4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 450 u_int32_t); 451 void mac68k_bsw4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 452 u_int32_t); 453 void mac68k_bsws4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 454 u_int32_t); 455 456 #define bus_space_write_1(t, h, o, v) (h).bsw1(t, &(h), o, v) 457 #define bus_space_write_2(t, h, o, v) (h).bsw2(t, &(h), o, v) 458 #define bus_space_write_4(t, h, o, v) (h).bsw4(t, &(h), o, v) 459 #define bus_space_write_stream_1(t, h, o, v) (h).bsws1(t, &(h), o, v) 460 #define bus_space_write_stream_2(t, h, o, v) (h).bsws2(t, &(h), o, v) 461 #define bus_space_write_stream_4(t, h, o, v) (h).bsws4(t, &(h), o, v) 462 463 #if 0 /* Cause a link error for bus_space_write_8 */ 464 #define bus_space_write_8 !!! bus_space_write_8 not implemented !!! 465 #define bus_space_write_stream_8 \ 466 !!! bus_space_write_stream_8 not implemented !!! 467 #endif 468 469 /* 470 * void bus_space_write_multi_N(bus_space_tag_t tag, 471 * bus_space_handle_t bsh, bus_size_t offset, const u_intN_t *addr, 472 * size_t count); 473 * 474 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer 475 * provided to bus space described by tag/handle/offset. 476 */ 477 478 void mac68k_bswm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 479 const u_int8_t *, size_t); 480 void mac68k_bswm1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 481 const u_int8_t *, size_t); 482 void mac68k_bswm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 483 const u_int16_t *, size_t); 484 void mac68k_bswm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 485 const u_int16_t *, size_t); 486 void mac68k_bswm2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 487 const u_int16_t *, size_t); 488 void mac68k_bswms2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 489 const u_int16_t *, size_t); 490 void mac68k_bswm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 491 const u_int32_t *, size_t); 492 void mac68k_bswm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 493 const u_int32_t *, size_t); 494 void mac68k_bswm4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 495 const u_int32_t *, size_t); 496 void mac68k_bswms4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 497 const u_int32_t *, size_t); 498 499 #if defined(DIAGNOSTIC) 500 #define bus_space_write_multi_1(t, h, o, a, c) do { \ 501 if ((c) == 0) \ 502 panic("bus_space_write_multi_1 called with zero count."); \ 503 (h).bswm1(t,&(h),o,a,c); } while (0) 504 #define bus_space_write_multi_2(t, h, o, a, c) do { \ 505 if ((c) == 0) \ 506 panic("bus_space_write_multi_2 called with zero count."); \ 507 (h).bswm2(t,&(h),o,a,c); } while (0) 508 #define bus_space_write_multi_4(t, h, o, a, c) do { \ 509 if ((c) == 0) \ 510 panic("bus_space_write_multi_4 called with zero count."); \ 511 (h).bswm4(t,&(h),o,a,c); } while (0) 512 #define bus_space_write_multi_stream_1(t, h, o, a, c) do { \ 513 if ((c) == 0) \ 514 panic("bus_space_write_multi_stream_1 called with count=0."); \ 515 (h).bswms1(t,&(h),o,a,c); } while (0) 516 #define bus_space_write_multi_stream_2(t, h, o, a, c) do { \ 517 if ((c) == 0) \ 518 panic("bus_space_write_multi_stream_2 called with count=0."); \ 519 (h).bswms2(t,&(h),o,a,c); } while (0) 520 #define bus_space_write_multi_stream_4(t, h, o, a, c) do { \ 521 if ((c) == 0) \ 522 panic("bus_space_write_multi_stream_4 called with count=0."); \ 523 (h).bswms4(t,&(h),o,a,c); } while (0) 524 #else 525 #define bus_space_write_multi_1(t, h, o, a, c) \ 526 do { if (c) (h).bswm1(t, &(h), o, a, c); } while (0) 527 #define bus_space_write_multi_2(t, h, o, a, c) \ 528 do { if (c) (h).bswm2(t, &(h), o, a, c); } while (0) 529 #define bus_space_write_multi_4(t, h, o, a, c) \ 530 do { if (c) (h).bswm4(t, &(h), o, a, c); } while (0) 531 #define bus_space_write_multi_stream_1(t, h, o, a, c) \ 532 do { if (c) (h).bswms1(t, &(h), o, a, c); } while (0) 533 #define bus_space_write_multi_stream_2(t, h, o, a, c) \ 534 do { if (c) (h).bswms2(t, &(h), o, a, c); } while (0) 535 #define bus_space_write_multi_stream_4(t, h, o, a, c) \ 536 do { if (c) (h).bswms4(t, &(h), o, a, c); } while (0) 537 #endif 538 539 #if 0 /* Cause a link error for bus_space_write_8 */ 540 #define bus_space_write_multi_8(t, h, o, a, c) \ 541 !!! bus_space_write_multi_8 unimplemented !!! 542 #define bus_space_write_multi_stream_8(t, h, o, a, c) \ 543 !!! bus_space_write_multi_stream_8 unimplemented !!! 544 #endif 545 546 /* 547 * void bus_space_write_region_N(bus_space_tag_t tag, 548 * bus_space_handle_t bsh, bus_size_t offset, const u_intN_t *addr, 549 * size_t count); 550 * 551 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided 552 * to bus space described by tag/handle starting at `offset'. 553 */ 554 555 void mac68k_bswr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 556 const u_int8_t *, size_t); 557 void mac68k_bswr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 558 const u_int8_t *, size_t); 559 void mac68k_bswr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 560 const u_int16_t *, size_t); 561 void mac68k_bswr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 562 const u_int16_t *, size_t); 563 void mac68k_bswr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 564 const u_int16_t *, size_t); 565 void mac68k_bswrs2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 566 const u_int16_t *, size_t); 567 void mac68k_bswr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 568 const u_int32_t *, size_t); 569 void mac68k_bswr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 570 const u_int32_t *, size_t); 571 void mac68k_bswr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 572 const u_int32_t *, size_t); 573 void mac68k_bswrs4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 574 const u_int32_t *, size_t); 575 576 #if defined(DIAGNOSTIC) 577 #define bus_space_write_region_1(t, h, o, a, c) do { \ 578 if ((c) == 0) \ 579 panic("bus_space_write_region_1 called with zero count."); \ 580 (h).bswr1(t,&(h),o,a,c); } while (0) 581 #define bus_space_write_region_2(t, h, o, a, c) do { \ 582 if ((c) == 0) \ 583 panic("bus_space_write_region_2 called with zero count."); \ 584 (h).bswr2(t,&(h),o,a,c); } while (0) 585 #define bus_space_write_region_4(t, h, o, a, c) do { \ 586 if ((c) == 0) \ 587 panic("bus_space_write_region_4 called with zero count."); \ 588 (h).bswr4(t,&(h),o,a,c); } while (0) 589 #define bus_space_write_region_stream_1(t, h, o, a, c) do { \ 590 if ((c) == 0) \ 591 panic("bus_space_write_region_stream_1 called with count=0."); \ 592 (h).bswrs1(t,&(h),o,a,c); } while (0) 593 #define bus_space_write_region_stream_2(t, h, o, a, c) do { \ 594 if ((c) == 0) \ 595 panic("bus_space_write_region_stream_2 called with count=0."); \ 596 (h).bswrs2(t,&(h),o,a,c); } while (0) 597 #define bus_space_write_region_stream_4(t, h, o, a, c) do { \ 598 if ((c) == 0) \ 599 panic("bus_space_write_region_stream_4 called with count=0."); \ 600 (h).bswrs4(t,&(h),o,a,c); } while (0) 601 #else 602 #define bus_space_write_region_1(t, h, o, a, c) \ 603 do { if (c) (h).bswr1(t,&(h),o,a,c); } while (0) 604 #define bus_space_write_region_2(t, h, o, a, c) \ 605 do { if (c) (h).bswr2(t,&(h),o,a,c); } while (0) 606 #define bus_space_write_region_4(t, h, o, a, c) \ 607 do { if (c) (h).bswr4(t,&(h),o,a,c); } while (0) 608 #define bus_space_write_region_stream_1(t, h, o, a, c) \ 609 do { if (c) (h).bswrs1(t,&(h),o,a,c); } while (0) 610 #define bus_space_write_region_stream_2(t, h, o, a, c) \ 611 do { if (c) (h).bswrs2(t,&(h),o,a,c); } while (0) 612 #define bus_space_write_region_stream_4(t, h, o, a, c) \ 613 do { if (c) (h).bswrs4(t,&(h),o,a,c); } while (0) 614 #endif 615 616 #if 0 /* Cause a link error for bus_space_write_region_8 */ 617 #define bus_space_write_region_8 \ 618 !!! bus_space_write_region_8 unimplemented !!! 619 #define bus_space_write_region_stream_8 \ 620 !!! bus_space_write_region_stream_8 unimplemented !!! 621 #endif 622 623 /* 624 * void bus_space_set_multi_N(bus_space_tag_t tag, 625 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, 626 * size_t count); 627 * 628 * Write the 1, 2, 4, or 8 byte value `val' to bus space described 629 * by tag/handle/offset `count' times. 630 */ 631 632 void mac68k_bssm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 633 u_int8_t, size_t); 634 void mac68k_bssm1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 635 u_int8_t, size_t); 636 void mac68k_bssm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 637 u_int16_t, size_t); 638 void mac68k_bssm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 639 u_int16_t, size_t); 640 void mac68k_bssm2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 641 u_int16_t, size_t); 642 void mac68k_bssm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 643 u_int32_t, size_t); 644 void mac68k_bssm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 645 u_int32_t, size_t); 646 void mac68k_bssm4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 647 u_int32_t, size_t); 648 649 #if defined(DIAGNOSTIC) 650 #define bus_space_set_multi_1(t, h, o, val, c) do { \ 651 if ((c) == 0) \ 652 panic("bus_space_set_multi_1 called with zero count."); \ 653 (h).bssm1(t,&(h),o,val,c); } while (0) 654 #define bus_space_set_multi_2(t, h, o, val, c) do { \ 655 if ((c) == 0) \ 656 panic("bus_space_set_multi_2 called with zero count."); \ 657 (h).bssm2(t,&(h),o,val,c); } while (0) 658 #define bus_space_set_multi_4(t, h, o, val, c) do { \ 659 if ((c) == 0) \ 660 panic("bus_space_set_multi_4 called with zero count."); \ 661 (h).bssm4(t,&(h),o,val,c); } while (0) 662 #else 663 #define bus_space_set_multi_1(t, h, o, val, c) \ 664 do { if (c) (h).bssm1(t,&(h),o,val,c); } while (0) 665 #define bus_space_set_multi_2(t, h, o, val, c) \ 666 do { if (c) (h).bssm2(t,&(h),o,val,c); } while (0) 667 #define bus_space_set_multi_4(t, h, o, val, c) \ 668 do { if (c) (h).bssm4(t,&(h),o,val,c); } while (0) 669 #endif 670 671 #if 0 /* Cause a link error for bus_space_set_multi_8 */ 672 #define bus_space_set_multi_8 \ 673 !!! bus_space_set_multi_8 unimplemented !!! 674 #endif 675 676 /* 677 * void bus_space_set_region_N(bus_space_tag_t tag, 678 * bus_space_handle_t bsh, bus_size_t, u_intN_t val, 679 * size_t count); 680 * 681 * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described 682 * by tag/handle starting at `offset'. 683 */ 684 685 void mac68k_bssr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 686 u_int8_t, size_t); 687 void mac68k_bssr1_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 688 u_int8_t, size_t); 689 void mac68k_bssr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 690 u_int16_t, size_t); 691 void mac68k_bssr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 692 u_int16_t, size_t); 693 void mac68k_bssr2_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 694 u_int16_t, size_t); 695 void mac68k_bssr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 696 u_int32_t, size_t); 697 void mac68k_bssr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 698 u_int32_t, size_t); 699 void mac68k_bssr4_gen(bus_space_tag_t, bus_space_handle_t *, bus_size_t, 700 u_int32_t, size_t); 701 702 #if defined(DIAGNOSTIC) 703 #define bus_space_set_region_1(t, h, o, val, c) do { \ 704 if ((c) == 0) \ 705 panic("bus_space_set_region_1 called with zero count."); \ 706 (h).bssr1(t,&(h),o,val,c); } while (0) 707 #define bus_space_set_region_2(t, h, o, val, c) do { \ 708 if ((c) == 0) \ 709 panic("bus_space_set_region_2 called with zero count."); \ 710 (h).bssr2(t,&(h),o,val,c); } while (0) 711 #define bus_space_set_region_4(t, h, o, val, c) do { \ 712 if ((c) == 0) \ 713 panic("bus_space_set_region_4 called with zero count."); \ 714 (h).bssr4(t,&(h),o,val,c); } while (0) 715 #else 716 #define bus_space_set_region_1(t, h, o, val, c) \ 717 do { if (c) (h).bssr1(t,&(h),o,val,c); } while (0) 718 #define bus_space_set_region_2(t, h, o, val, c) \ 719 do { if (c) (h).bssr2(t,&(h),o,val,c); } while (0) 720 #define bus_space_set_region_4(t, h, o, val, c) \ 721 do { if (c) (h).bssr4(t,&(h),o,val,c); } while (0) 722 #endif 723 724 #if 0 /* Cause a link error for bus_space_set_region_8 */ 725 #define bus_space_set_region_8 \ 726 !!! bus_space_set_region_8 unimplemented !!! 727 #endif 728 729 /* 730 * void bus_space_copy_N(bus_space_tag_t tag, 731 * bus_space_handle_t bsh1, bus_size_t off1, 732 * bus_space_handle_t bsh2, bus_size_t off2, size_t count); 733 * 734 * Copy `count' 1, 2, 4, or 8 byte values from bus space starting 735 * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2. 736 */ 737 738 #define __MAC68K_copy_region_N(BYTES) \ 739 static __inline void __CONCAT(bus_space_copy_region_,BYTES) \ 740 (bus_space_tag_t, \ 741 bus_space_handle_t, bus_size_t, \ 742 bus_space_handle_t, bus_size_t, \ 743 bus_size_t); \ 744 \ 745 static __inline void \ 746 __CONCAT(bus_space_copy_region_,BYTES)( \ 747 bus_space_tag_t t, \ 748 bus_space_handle_t h1, \ 749 bus_size_t o1, \ 750 bus_space_handle_t h2, \ 751 bus_size_t o2, \ 752 bus_size_t c) \ 753 { \ 754 bus_size_t o; \ 755 \ 756 if ((h1.base + o1) >= (h2.base + o2)) { \ 757 /* src after dest: copy forward */ \ 758 for (o = 0; c != 0; c--, o += BYTES) \ 759 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ 760 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ 761 } else { \ 762 /* dest after src: copy backwards */ \ 763 for (o = (c - 1) * BYTES; c != 0; c--, o -= BYTES) \ 764 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ 765 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ 766 } \ 767 } 768 __MAC68K_copy_region_N(1) 769 __MAC68K_copy_region_N(2) 770 __MAC68K_copy_region_N(4) 771 #if 0 /* Cause a link error for bus_space_copy_8 */ 772 #define bus_space_copy_8 \ 773 !!! bus_space_copy_8 unimplemented !!! 774 #endif 775 776 #undef __MAC68K_copy_region_N 777 778 /* 779 * Bus read/write barrier methods. 780 * 781 * void bus_space_barrier(bus_space_tag_t tag, bus_space_handle_t bsh, 782 * bus_size_t offset, bus_size_t len, int flags); 783 * 784 * Note: the 680x0 does not currently require barriers, but we must 785 * provide the flags to MI code. 786 */ 787 #define bus_space_barrier(t, h, o, l, f) \ 788 ((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f))) 789 #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */ 790 #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */ 791 792 /* 793 * void *bus_space_vaddr(bus_space_tag_t, bus_space_handle_t); 794 * 795 * Get the kernel virtual address for the mapped bus space. 796 */ 797 #define bus_space_vaddr(t, h) ((void)(t), (void *)(h.base)) 798 799 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 800 801 #include <m68k/bus_dma.h> 802 803 #endif /* _MAC68K_BUS_H_ */ 804
Indexes created Wed Oct 22 13:09:56 GMT 2025