au_himem_space.c revision 1.1.2.2
1 /* $NetBSD: au_himem_space.c,v 1.1.2.2 2006/02/18 15:38:41 yamt Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Itronix Inc. 5 * All rights reserved. 6 * 7 * Written by Garrett D'Amore for Itronix Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Itronix Inc. may not be used to endorse 18 * or promote products derived from this software without specific 19 * prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 * ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 /* 34 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. 35 * All rights reserved. 36 * 37 * This code is derived from software contributed to The NetBSD Foundation 38 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace 39 * Simulation Facility, NASA Ames Research Center. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by the NetBSD 52 * Foundation, Inc. and its contributors. 53 * 4. Neither the name of The NetBSD Foundation nor the names of its 54 * contributors may be used to endorse or promote products derived 55 * from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 58 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 59 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 60 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 61 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 62 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 63 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 64 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 65 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 66 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 67 * POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70 #include <sys/cdefs.h> 71 __KERNEL_RCSID(0, "$NetBSD: au_himem_space.c,v 1.1.2.2 2006/02/18 15:38:41 yamt Exp $"); 72 73 /* 74 * This provides mappings for the upper I/O regions used on some 75 * Alchemy parts, e.g. PCI, PCMCIA, and LCD. The mappings do not use 76 * wired TLB entries, but instead rely on wiring entries in the kernel 77 * pmap. 78 */ 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/extent.h> 83 #include <sys/malloc.h> 84 #include <sys/endian.h> 85 #include <uvm/uvm.h> 86 87 #include <machine/bus.h> 88 #include <machine/locore.h> 89 #include <mips/alchemy/include/au_himem_space.h> 90 91 #define TRUNC_PAGE(x) ((x) & ~(PAGE_SIZE - 1)) 92 #define ROUND_PAGE(x) TRUNC_PAGE((x) + (PAGE_SIZE - 1)) 93 94 typedef struct au_himem_cookie { 95 const char *c_name; 96 bus_addr_t c_start; 97 bus_addr_t c_end; 98 paddr_t c_physoff; 99 int c_flags; 100 int c_swswap; 101 boolean_t c_hwswap; 102 struct extent *c_extent; 103 } au_himem_cookie_t; 104 105 int au_himem_map(void *, bus_addr_t, bus_addr_t, int, 106 bus_space_handle_t *, int); 107 void au_himem_unmap(void *, bus_space_handle_t, bus_size_t, int); 108 void *au_himem_vaddr(void *, bus_space_handle_t); 109 int au_himem_subregion(void *, bus_space_handle_t, bus_size_t, bus_size_t, 110 bus_space_handle_t *); 111 paddr_t au_himem_mmap(void *, bus_addr_t, off_t, int, int); 112 int au_himem_alloc(void *, bus_addr_t, bus_addr_t, bus_size_t, bus_size_t, 113 bus_size_t, int, bus_addr_t *, bus_space_handle_t *); 114 void au_himem_free(void *, bus_space_handle_t, bus_size_t); 115 void au_himem_barrier(void *, bus_space_handle_t, bus_size_t, bus_size_t, int); 116 uint8_t au_himem_r_1(void *, bus_space_handle_t, bus_size_t); 117 uint16_t au_himem_r_2(void *, bus_space_handle_t, bus_size_t); 118 uint32_t au_himem_r_4(void *, bus_space_handle_t, bus_size_t); 119 uint64_t au_himem_r_8(void *, bus_space_handle_t, bus_size_t); 120 void au_himem_rm_1(void *, bus_space_handle_t, bus_size_t, uint8_t *, 121 bus_size_t); 122 void au_himem_rm_2(void *, bus_space_handle_t, bus_size_t, uint16_t *, 123 bus_size_t); 124 void au_himem_rm_4(void *, bus_space_handle_t, bus_size_t, uint32_t *, 125 bus_size_t); 126 void au_himem_rm_8(void *, bus_space_handle_t, bus_size_t, uint64_t *, 127 bus_size_t); 128 void au_himem_rr_1(void *, bus_space_handle_t, bus_size_t, uint8_t *, 129 bus_size_t); 130 void au_himem_rr_2(void *, bus_space_handle_t, bus_size_t, uint16_t *, 131 bus_size_t); 132 void au_himem_rr_4(void *, bus_space_handle_t, bus_size_t, uint32_t *, 133 bus_size_t); 134 void au_himem_rr_8(void *, bus_space_handle_t, bus_size_t, uint64_t *, 135 bus_size_t); 136 void au_himem_w_1(void *, bus_space_handle_t, bus_size_t, uint8_t); 137 void au_himem_w_2(void *, bus_space_handle_t, bus_size_t, uint16_t); 138 void au_himem_w_4(void *, bus_space_handle_t, bus_size_t, uint32_t); 139 void au_himem_w_8(void *, bus_space_handle_t, bus_size_t, uint64_t); 140 void au_himem_wm_1(void *, bus_space_handle_t, bus_size_t, const uint8_t *, 141 bus_size_t); 142 void au_himem_wm_2(void *, bus_space_handle_t, bus_size_t, const uint16_t *, 143 bus_size_t); 144 void au_himem_wm_4(void *, bus_space_handle_t, bus_size_t, const uint32_t *, 145 bus_size_t); 146 void au_himem_wm_8(void *, bus_space_handle_t, bus_size_t, const uint64_t *, 147 bus_size_t); 148 void au_himem_wr_1(void *, bus_space_handle_t, bus_size_t, const uint8_t *, 149 bus_size_t); 150 void au_himem_wr_2(void *, bus_space_handle_t, bus_size_t, const uint16_t *, 151 bus_size_t); 152 void au_himem_wr_4(void *, bus_space_handle_t, bus_size_t, const uint32_t *, 153 bus_size_t); 154 void au_himem_wr_8(void *, bus_space_handle_t, bus_size_t, const uint64_t *, 155 bus_size_t); 156 void au_himem_sm_1(void *, bus_space_handle_t, bus_size_t, uint8_t, 157 bus_size_t); 158 void au_himem_sm_2(void *, bus_space_handle_t, bus_size_t, uint16_t, 159 bus_size_t); 160 void au_himem_sm_4(void *, bus_space_handle_t, bus_size_t, uint32_t, 161 bus_size_t); 162 void au_himem_sm_8(void *, bus_space_handle_t, bus_size_t, uint64_t, 163 bus_size_t); 164 void au_himem_sr_1(void *, bus_space_handle_t, bus_size_t, uint8_t, 165 bus_size_t); 166 void au_himem_sr_2(void *, bus_space_handle_t, bus_size_t, uint16_t, 167 bus_size_t); 168 void au_himem_sr_4(void *, bus_space_handle_t, bus_size_t, uint32_t, 169 bus_size_t); 170 void au_himem_sr_8(void *, bus_space_handle_t, bus_size_t, uint64_t, 171 bus_size_t); 172 void au_himem_c_1(void *, bus_space_handle_t, bus_size_t, 173 bus_space_handle_t, bus_size_t, bus_size_t); 174 void au_himem_c_2(void *, bus_space_handle_t, bus_size_t, 175 bus_space_handle_t, bus_size_t, bus_size_t); 176 void au_himem_c_4(void *, bus_space_handle_t, bus_size_t, 177 bus_space_handle_t, bus_size_t, bus_size_t); 178 void au_himem_c_8(void *, bus_space_handle_t, bus_size_t, 179 bus_space_handle_t, bus_size_t, bus_size_t); 180 uint16_t au_himem_rs_2(void *, bus_space_handle_t, bus_size_t); 181 uint32_t au_himem_rs_4(void *, bus_space_handle_t, bus_size_t); 182 uint64_t au_himem_rs_8(void *, bus_space_handle_t, bus_size_t); 183 void au_himem_ws_2(void *, bus_space_handle_t, bus_size_t, uint16_t); 184 void au_himem_ws_4(void *, bus_space_handle_t, bus_size_t, uint32_t); 185 void au_himem_ws_8(void *, bus_space_handle_t, bus_size_t, uint64_t); 186 void au_himem_rms_2(void *, bus_space_handle_t, bus_size_t, uint16_t *, 187 bus_size_t); 188 void au_himem_rms_4(void *, bus_space_handle_t, bus_size_t, uint32_t *, 189 bus_size_t); 190 void au_himem_rms_8(void *, bus_space_handle_t, bus_size_t, uint64_t *, 191 bus_size_t); 192 void au_himem_rrs_2(void *, bus_space_handle_t, bus_size_t, uint16_t *, 193 bus_size_t); 194 void au_himem_rrs_4(void *, bus_space_handle_t, bus_size_t, uint32_t *, 195 bus_size_t); 196 void au_himem_rrs_8(void *, bus_space_handle_t, bus_size_t, uint64_t *, 197 bus_size_t); 198 void au_himem_wms_2(void *, bus_space_handle_t, bus_size_t, const uint16_t *, 199 bus_size_t); 200 void au_himem_wms_4(void *, bus_space_handle_t, bus_size_t, const uint32_t *, 201 bus_size_t); 202 void au_himem_wms_8(void *, bus_space_handle_t, bus_size_t, const uint64_t *, 203 bus_size_t); 204 void au_himem_wrs_2(void *, bus_space_handle_t, bus_size_t, const uint16_t *, 205 bus_size_t); 206 void au_himem_wrs_4(void *, bus_space_handle_t, bus_size_t, const uint32_t *, 207 bus_size_t); 208 void au_himem_wrs_8(void *, bus_space_handle_t, bus_size_t, const uint64_t *, 209 bus_size_t); 210 211 int 212 au_himem_map(void *cookie, bus_addr_t addr, bus_size_t size, 213 int flags, bus_space_handle_t *bshp, int acct) 214 { 215 au_himem_cookie_t *c = (au_himem_cookie_t *)cookie; 216 int err; 217 paddr_t pa; 218 vaddr_t va; 219 vsize_t realsz; 220 int s; 221 222 /* make sure we can map this bus address */ 223 if (addr < c->c_start || (addr + size) > c->c_end) { 224 return EINVAL; 225 } 226 227 /* physical address, page aligned */ 228 pa = TRUNC_PAGE(c->c_physoff + addr); 229 230 /* 231 * we are only going to work with whole pages. the 232 * calculation is the offset into the first page, plus the 233 * intended size, rounded up to a whole number of pages. 234 */ 235 realsz = ROUND_PAGE((addr % PAGE_SIZE) + size); 236 237 va = uvm_km_alloc(kernel_map, 238 realsz, PAGE_SIZE, UVM_KMF_VAONLY | UVM_KMF_NOWAIT); 239 if (va == 0) { 240 return ENOMEM; 241 } 242 243 /* virtual address in handle (offset appropriately) */ 244 *bshp = va + (addr % PAGE_SIZE); 245 246 /* map the pages in the kernel pmap */ 247 s = splhigh(); 248 while (realsz) { 249 pmap_kenter_pa(va, pa, VM_PROT_READ | VM_PROT_WRITE); 250 pa += PAGE_SIZE; 251 va += PAGE_SIZE; 252 realsz -= PAGE_SIZE; 253 } 254 pmap_update(pmap_kernel()); 255 splx(s); 256 257 /* record our allocated range of bus addresses */ 258 if (acct && c->c_extent != NULL) { 259 err = extent_alloc_region(c->c_extent, addr, size, EX_NOWAIT); 260 if (err) { 261 au_himem_unmap(cookie, *bshp, size, 0); 262 return err; 263 } 264 } 265 266 return 0; 267 } 268 269 void 270 au_himem_unmap(void *cookie, bus_space_handle_t bsh, bus_size_t size, int acct) 271 { 272 au_himem_cookie_t *c = (au_himem_cookie_t *)cookie; 273 vaddr_t va; 274 vsize_t realsz; 275 paddr_t pa; 276 int s; 277 278 va = (vaddr_t)TRUNC_PAGE(bsh); 279 realsz = (vsize_t)ROUND_PAGE((bsh % PAGE_SIZE) + size); 280 281 s = splhigh(); 282 283 /* 284 * we have to get the bus address, so that we can free it in the 285 * extent manager. this is the unfortunate thing about using 286 * virtual memory instead of just a 1:1 mapping scheme. 287 */ 288 if (pmap_extract(pmap_kernel(), va, &pa) == FALSE) 289 panic("au_himem_unmap: virtual address invalid!"); 290 291 /* now remove it from the pmap */ 292 pmap_kremove(va, realsz); 293 pmap_update(pmap_kernel()); 294 splx(s); 295 296 /* finally we can release both virtual and bus address ranges */ 297 uvm_km_free(kernel_map, va, realsz, UVM_KMF_VAONLY); 298 299 if (acct) { 300 bus_addr_t addr; 301 addr = ((pa - c->c_physoff) + (bsh % PAGE_SIZE)); 302 extent_free(c->c_extent, addr, size, EX_NOWAIT); 303 } 304 } 305 306 int 307 au_himem_subregion(void *cookie, bus_space_handle_t bsh, 308 bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp) 309 { 310 311 *nbshp = bsh + offset; 312 return 0; 313 } 314 315 void * 316 au_himem_vaddr(void *cookie, bus_space_handle_t bsh) 317 { 318 319 return ((void *)bsh); 320 } 321 322 paddr_t 323 au_himem_mmap(void *cookie, bus_addr_t addr, off_t off, int prot, int flags) 324 { 325 au_himem_cookie_t *c = (au_himem_cookie_t *)cookie; 326 327 /* I/O spaces should not be directly mmap'ed */ 328 if (c->c_flags & AU_HIMEM_SPACE_IO) 329 return -1; 330 331 if (addr < c->c_start || (addr + off) >= c->c_end) 332 return -1; 333 334 return mips_btop(c->c_physoff + addr + off); 335 } 336 337 int 338 au_himem_alloc(void *cookie, bus_addr_t start, bus_addr_t end, 339 bus_size_t size, bus_size_t align, bus_size_t boundary, int flags, 340 bus_addr_t *addrp, bus_space_handle_t *bshp) 341 { 342 au_himem_cookie_t *c = (au_himem_cookie_t *)cookie; 343 int err; 344 345 err = extent_alloc_subregion(c->c_extent, start, end, size, 346 align, boundary, EX_FAST | EX_NOWAIT, addrp); 347 if (err) { 348 return err; 349 } 350 err = au_himem_map(cookie, *addrp, size, flags, bshp, 0); 351 if (err) 352 extent_free(c->c_extent, *addrp, size, EX_NOWAIT); 353 return err; 354 } 355 356 void 357 au_himem_free(void *cookie, bus_space_handle_t bsh, bus_size_t size) 358 { 359 360 /* unmap takes care of it all */ 361 au_himem_unmap(cookie, bsh, size, 1); 362 } 363 364 inline void 365 au_himem_barrier(void *cookie, bus_space_handle_t bsh, bus_size_t o, 366 bus_size_t l, int f) 367 { 368 369 if (f & BUS_SPACE_BARRIER_WRITE) 370 wbflush(); 371 } 372 373 inline uint8_t 374 au_himem_r_1(void *v, bus_space_handle_t h, bus_size_t o) 375 { 376 377 return (*(volatile uint8_t *)(h + o)); 378 } 379 380 inline uint16_t 381 au_himem_r_2(void *v, bus_space_handle_t h, bus_size_t o) 382 { 383 uint16_t val = (*(volatile uint16_t *)(h + o)); 384 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 385 386 return (c->c_swswap ? bswap16(val) : val); 387 } 388 389 inline uint32_t 390 au_himem_r_4(void *v, bus_space_handle_t h, bus_size_t o) 391 { 392 uint32_t val = (*(volatile uint32_t *)(h + o)); 393 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 394 395 return (c->c_swswap ? bswap32(val) : val); 396 } 397 398 inline uint64_t 399 au_himem_r_8(void *v, bus_space_handle_t h, bus_size_t o) 400 { 401 uint64_t val = (*(volatile uint64_t *)(h + o)); 402 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 403 404 return (c->c_swswap ? bswap64(val) : val); 405 } 406 407 inline void 408 au_himem_w_1(void *v, bus_space_handle_t h, bus_size_t o, uint8_t val) 409 { 410 411 *(volatile uint8_t *)(h + o) = val; 412 } 413 414 inline void 415 au_himem_w_2(void *v, bus_space_handle_t h, bus_size_t o, uint16_t val) 416 { 417 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 418 419 *(volatile uint16_t *)(h + o) = c->c_swswap ? bswap16(val) : val; 420 } 421 422 inline void 423 au_himem_w_4(void *v, bus_space_handle_t h, bus_size_t o, uint32_t val) 424 { 425 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 426 427 *(volatile uint32_t *)(h + o) = c->c_swswap ? bswap32(val) : val; 428 } 429 430 inline void 431 au_himem_w_8(void *v, bus_space_handle_t h, bus_size_t o, uint64_t val) 432 { 433 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 434 435 *(volatile uint64_t *)(h + o) = c->c_swswap ? bswap64(val) : val; 436 } 437 438 inline uint16_t 439 au_himem_rs_2(void *v, bus_space_handle_t h, bus_size_t o) 440 { 441 uint16_t val = (*(volatile uint16_t *)(h + o)); 442 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 443 444 return (c->c_hwswap ? bswap16(val) : val); 445 } 446 447 inline uint32_t 448 au_himem_rs_4(void *v, bus_space_handle_t h, bus_size_t o) 449 { 450 uint32_t val = (*(volatile uint32_t *)(h + o)); 451 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 452 453 return (c->c_hwswap ? bswap32(val) : val); 454 } 455 456 inline uint64_t 457 au_himem_rs_8(void *v, bus_space_handle_t h, bus_size_t o) 458 { 459 uint64_t val = (*(volatile uint64_t *)(h + o)); 460 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 461 462 return (c->c_hwswap ? bswap64(val) : val); 463 } 464 465 inline void 466 au_himem_ws_2(void *v, bus_space_handle_t h, bus_size_t o, uint16_t val) 467 { 468 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 469 470 *(volatile uint16_t *)(h + o) = c->c_hwswap ? bswap16(val) : val; 471 } 472 473 inline void 474 au_himem_ws_4(void *v, bus_space_handle_t h, bus_size_t o, uint32_t val) 475 { 476 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 477 478 *(volatile uint32_t *)(h + o) = c->c_hwswap ? bswap32(val) : val; 479 } 480 481 inline void 482 au_himem_ws_8(void *v, bus_space_handle_t h, bus_size_t o, uint64_t val) 483 { 484 au_himem_cookie_t *c = (au_himem_cookie_t *)v; 485 486 *(volatile uint64_t *)(h + o) = c->c_hwswap ? bswap64(val) : val; 487 } 488 489 #define AU_HIMEM_RM(TYPE,BYTES) \ 490 void \ 491 __CONCAT(au_himem_rm_,BYTES)(void *v, \ 492 bus_space_handle_t h, bus_size_t o, TYPE *dst, bus_size_t cnt) \ 493 { \ 494 \ 495 while (cnt-- > 0) \ 496 *dst ++ = __CONCAT(au_himem_r_,BYTES)(v, h, o); \ 497 } 498 AU_HIMEM_RM(uint8_t,1) 499 AU_HIMEM_RM(uint16_t,2) 500 AU_HIMEM_RM(uint32_t,4) 501 AU_HIMEM_RM(uint64_t,8) 502 503 #define AU_HIMEM_RMS(TYPE,BYTES) \ 504 void \ 505 __CONCAT(au_himem_rms_,BYTES)(void *v, \ 506 bus_space_handle_t h, bus_size_t o, TYPE *dst, bus_size_t cnt) \ 507 { \ 508 \ 509 while (cnt-- > 0) { \ 510 wbflush(); \ 511 *dst++ = __CONCAT(au_himem_rs_,BYTES)(v, h, o); \ 512 } \ 513 } 514 AU_HIMEM_RMS(uint16_t,2) 515 AU_HIMEM_RMS(uint32_t,4) 516 AU_HIMEM_RMS(uint64_t,8) 517 518 #define AU_HIMEM_RR(TYPE,BYTES) \ 519 void \ 520 __CONCAT(au_himem_rr_,BYTES)(void *v, \ 521 bus_space_handle_t h, bus_size_t o, TYPE *dst, bus_size_t cnt) \ 522 { \ 523 \ 524 while (cnt-- > 0) { \ 525 *dst++ = __CONCAT(au_himem_r_,BYTES)(v, h, o); \ 526 o += BYTES; \ 527 } \ 528 } 529 AU_HIMEM_RR(uint8_t,1) 530 AU_HIMEM_RR(uint16_t,2) 531 AU_HIMEM_RR(uint32_t,4) 532 AU_HIMEM_RR(uint64_t,8) 533 534 #define AU_HIMEM_RRS(TYPE,BYTES) \ 535 void \ 536 __CONCAT(au_himem_rrs_,BYTES)(void *v, \ 537 bus_space_handle_t h, bus_size_t o, TYPE *dst, bus_size_t cnt) \ 538 { \ 539 \ 540 while (cnt-- > 0) { \ 541 *dst++ = __CONCAT(au_himem_rs_,BYTES)(v, h, o); \ 542 o += BYTES; \ 543 } \ 544 } 545 AU_HIMEM_RRS(uint16_t,2) 546 AU_HIMEM_RRS(uint32_t,4) 547 AU_HIMEM_RRS(uint64_t,8) 548 549 #define AU_HIMEM_WM(TYPE,BYTES) \ 550 void \ 551 __CONCAT(au_himem_wm_,BYTES)(void *v, \ 552 bus_space_handle_t h, bus_size_t o, const TYPE *src, \ 553 bus_size_t cnt) \ 554 { \ 555 \ 556 while (cnt-- > 0) { \ 557 __CONCAT(au_himem_w_,BYTES)(v, h, o, *src++); \ 558 wbflush(); \ 559 } \ 560 } 561 AU_HIMEM_WM(uint8_t,1) 562 AU_HIMEM_WM(uint16_t,2) 563 AU_HIMEM_WM(uint32_t,4) 564 AU_HIMEM_WM(uint64_t,8) 565 566 #define AU_HIMEM_WMS(TYPE,BYTES) \ 567 void \ 568 __CONCAT(au_himem_wms_,BYTES)(void *v, \ 569 bus_space_handle_t h, bus_size_t o, const TYPE *src, \ 570 bus_size_t cnt) \ 571 { \ 572 \ 573 while (cnt-- > 0) { \ 574 __CONCAT(au_himem_ws_,BYTES)(v, h, o, *src++); \ 575 wbflush(); \ 576 } \ 577 } 578 AU_HIMEM_WMS(uint16_t,2) 579 AU_HIMEM_WMS(uint32_t,4) 580 AU_HIMEM_WMS(uint64_t,8) 581 582 #define AU_HIMEM_WR(TYPE,BYTES) \ 583 void \ 584 __CONCAT(au_himem_wr_,BYTES)(void *v, \ 585 bus_space_handle_t h, bus_size_t o, const TYPE *src, \ 586 bus_size_t cnt) \ 587 { \ 588 \ 589 while (cnt-- > 0) { \ 590 __CONCAT(au_himem_w_,BYTES)(v, h, o, *src++); \ 591 o += BYTES; \ 592 } \ 593 } 594 AU_HIMEM_WR(uint8_t,1) 595 AU_HIMEM_WR(uint16_t,2) 596 AU_HIMEM_WR(uint32_t,4) 597 AU_HIMEM_WR(uint64_t,8) 598 599 #define AU_HIMEM_WRS(TYPE,BYTES) \ 600 void \ 601 __CONCAT(au_himem_wrs_,BYTES)(void *v, \ 602 bus_space_handle_t h, bus_size_t o, const TYPE *src, \ 603 bus_size_t cnt) \ 604 { \ 605 \ 606 while (cnt-- > 0) { \ 607 __CONCAT(au_himem_ws_,BYTES)(v, h, o, *src++); \ 608 o += BYTES; \ 609 } \ 610 } 611 AU_HIMEM_WRS(uint16_t,2) 612 AU_HIMEM_WRS(uint32_t,4) 613 AU_HIMEM_WRS(uint64_t,8) 614 615 #define AU_HIMEM_SM(TYPE,BYTES) \ 616 void \ 617 __CONCAT(au_himem_sm_,BYTES)(void *v, \ 618 bus_space_handle_t h, bus_size_t o, TYPE val, \ 619 bus_size_t cnt) \ 620 { \ 621 \ 622 while (cnt-- > 0) { \ 623 __CONCAT(au_himem_w_,BYTES)(v, h, o, val); \ 624 wbflush(); \ 625 } \ 626 } 627 AU_HIMEM_SM(uint8_t,1) 628 AU_HIMEM_SM(uint16_t,2) 629 AU_HIMEM_SM(uint32_t,4) 630 AU_HIMEM_SM(uint64_t,8) 631 632 #define AU_HIMEM_SR(TYPE,BYTES) \ 633 void \ 634 __CONCAT(au_himem_sr_,BYTES)(void *v, \ 635 bus_space_handle_t h, bus_size_t o, TYPE val, \ 636 bus_size_t cnt) \ 637 { \ 638 \ 639 while (cnt-- > 0) { \ 640 __CONCAT(au_himem_w_,BYTES)(v, h, o, val); \ 641 o += BYTES; \ 642 } \ 643 } 644 AU_HIMEM_SR(uint8_t,1) 645 AU_HIMEM_SR(uint16_t,2) 646 AU_HIMEM_SR(uint32_t,4) 647 AU_HIMEM_SR(uint64_t,8) 648 649 650 #define AU_HIMEM_C(TYPE,BYTES) \ 651 void \ 652 __CONCAT(au_himem_c_,BYTES)(void *v, \ 653 bus_space_handle_t h1, bus_size_t o1, bus_space_handle_t h2, \ 654 bus_space_handle_t o2, bus_size_t cnt) \ 655 { \ 656 volatile TYPE *src, *dst; \ 657 src = (volatile TYPE *)(h1 + o1); \ 658 dst = (volatile TYPE *)(h2 + o2); \ 659 \ 660 if (src >= dst) { \ 661 while (cnt-- > 0) \ 662 *dst++ = *src++; \ 663 } else { \ 664 src += cnt - 1; \ 665 dst += cnt - 1; \ 666 while (cnt-- > 0) \ 667 *dst-- = *src--; \ 668 } \ 669 } 670 AU_HIMEM_C(uint8_t,1) 671 AU_HIMEM_C(uint16_t,2) 672 AU_HIMEM_C(uint32_t,4) 673 AU_HIMEM_C(uint64_t,8) 674 675 676 void 677 au_himem_space_init(bus_space_tag_t bst, const char *name, 678 paddr_t physoff, bus_addr_t start, bus_addr_t end, int flags) 679 { 680 au_himem_cookie_t *c; 681 682 c = malloc(sizeof (struct au_himem_cookie), M_DEVBUF, 683 M_NOWAIT | M_ZERO); 684 685 c->c_name = name; 686 c->c_start = start; 687 c->c_end = end; 688 c->c_physoff = physoff; 689 690 /* allocate extent manager */ 691 c->c_extent = extent_create(name, start, end, M_DEVBUF, 692 NULL, 0, EX_NOWAIT); 693 if (c->c_extent == NULL) 694 panic("au_himem_space_init: %s: cannot create extent", name); 695 696 #if _BYTE_ORDER == _BIG_ENDIAN 697 if (flags & AU_HIMEM_SPACE_LITTLE_ENDIAN) { 698 if (flags & AU_HIMEM_SPACE_SWAP_HW) 699 c->c_hwswap = 1; 700 else 701 c->c_swswap = 1; 702 } 703 704 #elif _BYTE_ORDER == _LITTLE_ENDIAN 705 if (flags & AU_HIMEM_SPACE_BIG_ENDIAN) { 706 if (flags & AU_HIMEM_SPACE_SWAP_HW) 707 c->c_hwswap = 1; 708 else 709 c->c_swswap = 1; 710 } 711 #endif 712 713 bst->bs_cookie = c; 714 bst->bs_map = au_himem_map; 715 bst->bs_unmap = au_himem_unmap; 716 bst->bs_subregion = au_himem_subregion; 717 bst->bs_translate = NULL; /* we don't use these */ 718 bst->bs_get_window = NULL; /* we don't use these */ 719 bst->bs_alloc = au_himem_alloc; 720 bst->bs_free = au_himem_free; 721 bst->bs_vaddr = au_himem_vaddr; 722 bst->bs_mmap = au_himem_mmap; 723 bst->bs_barrier = au_himem_barrier; 724 bst->bs_r_1 = au_himem_r_1; 725 bst->bs_w_1 = au_himem_w_1; 726 bst->bs_r_2 = au_himem_r_2; 727 bst->bs_r_4 = au_himem_r_4; 728 bst->bs_r_8 = au_himem_r_8; 729 bst->bs_w_2 = au_himem_w_2; 730 bst->bs_w_4 = au_himem_w_4; 731 bst->bs_w_8 = au_himem_w_8; 732 bst->bs_rm_1 = au_himem_rm_1; 733 bst->bs_rm_2 = au_himem_rm_2; 734 bst->bs_rm_4 = au_himem_rm_4; 735 bst->bs_rm_8 = au_himem_rm_8; 736 bst->bs_rr_1 = au_himem_rr_1; 737 bst->bs_rr_2 = au_himem_rr_2; 738 bst->bs_rr_4 = au_himem_rr_4; 739 bst->bs_rr_8 = au_himem_rr_8; 740 bst->bs_wm_1 = au_himem_wm_1; 741 bst->bs_wm_2 = au_himem_wm_2; 742 bst->bs_wm_4 = au_himem_wm_4; 743 bst->bs_wm_8 = au_himem_wm_8; 744 bst->bs_wr_1 = au_himem_wr_1; 745 bst->bs_wr_2 = au_himem_wr_2; 746 bst->bs_wr_4 = au_himem_wr_4; 747 bst->bs_wr_8 = au_himem_wr_8; 748 bst->bs_sm_1 = au_himem_sm_1; 749 bst->bs_sm_2 = au_himem_sm_2; 750 bst->bs_sm_4 = au_himem_sm_4; 751 bst->bs_sm_8 = au_himem_sm_8; 752 bst->bs_sr_1 = au_himem_sr_1; 753 bst->bs_sr_2 = au_himem_sr_2; 754 bst->bs_sr_4 = au_himem_sr_4; 755 bst->bs_sr_8 = au_himem_sr_8; 756 bst->bs_c_1 = au_himem_c_1; 757 bst->bs_c_2 = au_himem_c_2; 758 bst->bs_c_4 = au_himem_c_4; 759 bst->bs_c_8 = au_himem_c_8; 760 761 bst->bs_rs_1 = au_himem_r_1; 762 bst->bs_rs_2 = au_himem_rs_2; 763 bst->bs_rs_4 = au_himem_rs_4; 764 bst->bs_rs_8 = au_himem_rs_8; 765 bst->bs_rms_1 = au_himem_rm_1; 766 bst->bs_rms_2 = au_himem_rms_2; 767 bst->bs_rms_4 = au_himem_rms_4; 768 bst->bs_rms_8 = au_himem_rms_8; 769 bst->bs_rrs_1 = au_himem_rr_1; 770 bst->bs_rrs_2 = au_himem_rrs_2; 771 bst->bs_rrs_4 = au_himem_rrs_4; 772 bst->bs_rrs_8 = au_himem_rrs_8; 773 bst->bs_ws_1 = au_himem_w_1; 774 bst->bs_ws_2 = au_himem_ws_2; 775 bst->bs_ws_4 = au_himem_ws_4; 776 bst->bs_ws_8 = au_himem_ws_8; 777 bst->bs_wms_1 = au_himem_wm_1; 778 bst->bs_wms_2 = au_himem_wms_2; 779 bst->bs_wms_4 = au_himem_wms_4; 780 bst->bs_wms_8 = au_himem_wms_8; 781 bst->bs_wrs_1 = au_himem_wr_1; 782 bst->bs_wrs_2 = au_himem_wrs_2; 783 bst->bs_wrs_4 = au_himem_wrs_4; 784 bst->bs_wrs_8 = au_himem_wrs_8; 785 } 786
Indexes created Tue Oct 28 02:10:10 GMT 2025