if_hatm.c revision 148887
1/*- 2 * Copyright (c) 2001-2003 3 * Fraunhofer Institute for Open Communication Systems (FhG Fokus). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * Author: Hartmut Brandt <harti@freebsd.org> 28 * 29 * ForeHE driver. 30 * 31 * This file contains the module and driver infrastructure stuff as well 32 * as a couple of utility functions and the entire initialisation. 33 */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD: head/sys/dev/hatm/if_hatm.c 148887 2005-08-09 10:20:02Z rwatson $"); 37 38#include "opt_inet.h" 39#include "opt_natm.h" 40 41#include <sys/types.h> 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/malloc.h> 45#include <sys/kernel.h> 46#include <sys/bus.h> 47#include <sys/errno.h> 48#include <sys/conf.h> 49#include <sys/module.h> 50#include <sys/queue.h> 51#include <sys/syslog.h> 52#include <sys/lock.h> 53#include <sys/mutex.h> 54#include <sys/condvar.h> 55#include <sys/sysctl.h> 56#include <vm/uma.h> 57 58#include <sys/sockio.h> 59#include <sys/mbuf.h> 60#include <sys/socket.h> 61 62#include <net/if.h> 63#include <net/if_media.h> 64#include <net/if_atm.h> 65#include <net/if_types.h> 66#include <net/route.h> 67#ifdef ENABLE_BPF 68#include <net/bpf.h> 69#endif 70#include <netinet/in.h> 71#include <netinet/if_atm.h> 72 73#include <machine/bus.h> 74#include <machine/resource.h> 75#include <sys/bus.h> 76#include <sys/rman.h> 77#include <dev/pci/pcireg.h> 78#include <dev/pci/pcivar.h> 79 80#include <dev/utopia/utopia.h> 81#include <dev/hatm/if_hatmconf.h> 82#include <dev/hatm/if_hatmreg.h> 83#include <dev/hatm/if_hatmvar.h> 84 85static const struct { 86 uint16_t vid; 87 uint16_t did; 88 const char *name; 89} hatm_devs[] = { 90 { 0x1127, 0x400, 91 "FORE HE" }, 92 { 0, 0, NULL } 93}; 94 95SYSCTL_DECL(_hw_atm); 96 97MODULE_DEPEND(hatm, utopia, 1, 1, 1); 98MODULE_DEPEND(hatm, pci, 1, 1, 1); 99MODULE_DEPEND(hatm, atm, 1, 1, 1); 100 101#define EEPROM_DELAY 400 /* microseconds */ 102 103/* Read from EEPROM 0000 0011b */ 104static const uint32_t readtab[] = { 105 HE_REGM_HOST_PROM_SEL | HE_REGM_HOST_PROM_CLOCK, 106 0, 107 HE_REGM_HOST_PROM_CLOCK, 108 0, /* 0 */ 109 HE_REGM_HOST_PROM_CLOCK, 110 0, /* 0 */ 111 HE_REGM_HOST_PROM_CLOCK, 112 0, /* 0 */ 113 HE_REGM_HOST_PROM_CLOCK, 114 0, /* 0 */ 115 HE_REGM_HOST_PROM_CLOCK, 116 0, /* 0 */ 117 HE_REGM_HOST_PROM_CLOCK, 118 HE_REGM_HOST_PROM_DATA_IN, /* 0 */ 119 HE_REGM_HOST_PROM_CLOCK | HE_REGM_HOST_PROM_DATA_IN, 120 HE_REGM_HOST_PROM_DATA_IN, /* 1 */ 121 HE_REGM_HOST_PROM_CLOCK | HE_REGM_HOST_PROM_DATA_IN, 122 HE_REGM_HOST_PROM_DATA_IN, /* 1 */ 123}; 124static const uint32_t clocktab[] = { 125 0, HE_REGM_HOST_PROM_CLOCK, 126 0, HE_REGM_HOST_PROM_CLOCK, 127 0, HE_REGM_HOST_PROM_CLOCK, 128 0, HE_REGM_HOST_PROM_CLOCK, 129 0, HE_REGM_HOST_PROM_CLOCK, 130 0, HE_REGM_HOST_PROM_CLOCK, 131 0, HE_REGM_HOST_PROM_CLOCK, 132 0, HE_REGM_HOST_PROM_CLOCK, 133 0 134}; 135 136/* 137 * Convert cell rate to ATM Forum format 138 */ 139u_int 140hatm_cps2atmf(uint32_t pcr) 141{ 142 u_int e; 143 144 if (pcr == 0) 145 return (0); 146 pcr <<= 9; 147 e = 0; 148 while (pcr > (1024 - 1)) { 149 e++; 150 pcr >>= 1; 151 } 152 return ((1 << 14) | (e << 9) | (pcr & 0x1ff)); 153} 154u_int 155hatm_atmf2cps(uint32_t fcr) 156{ 157 fcr &= 0x7fff; 158 159 return ((1 << ((fcr >> 9) & 0x1f)) * (512 + (fcr & 0x1ff)) / 512 160 * (fcr >> 14)); 161} 162 163/************************************************************ 164 * 165 * Initialisation 166 */ 167/* 168 * Probe for a HE controller 169 */ 170static int 171hatm_probe(device_t dev) 172{ 173 int i; 174 175 for (i = 0; hatm_devs[i].name; i++) 176 if (pci_get_vendor(dev) == hatm_devs[i].vid && 177 pci_get_device(dev) == hatm_devs[i].did) { 178 device_set_desc(dev, hatm_devs[i].name); 179 return (BUS_PROBE_DEFAULT); 180 } 181 return (ENXIO); 182} 183 184/* 185 * Allocate and map DMA-able memory. We support only contiguous mappings. 186 */ 187static void 188dmaload_helper(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 189{ 190 if (error) 191 return; 192 KASSERT(nsegs == 1, ("too many segments for DMA: %d", nsegs)); 193 KASSERT(segs[0].ds_addr <= 0xffffffffUL, 194 ("phys addr too large %lx", (u_long)segs[0].ds_addr)); 195 196 *(bus_addr_t *)arg = segs[0].ds_addr; 197} 198static int 199hatm_alloc_dmamem(struct hatm_softc *sc, const char *what, struct dmamem *mem) 200{ 201 int error; 202 203 mem->base = NULL; 204 205 /* 206 * Alignement does not work in the bus_dmamem_alloc function below 207 * on FreeBSD. malloc seems to align objects at least to the object 208 * size so increase the size to the alignment if the size is lesser 209 * than the alignemnt. 210 * XXX on sparc64 this is (probably) not needed. 211 */ 212 if (mem->size < mem->align) 213 mem->size = mem->align; 214 215 error = bus_dma_tag_create(sc->parent_tag, mem->align, 0, 216 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, 217 NULL, NULL, mem->size, 1, 218 BUS_SPACE_MAXSIZE_32BIT, BUS_DMA_ALLOCNOW, 219 NULL, NULL, &mem->tag); 220 if (error) { 221 if_printf(sc->ifp, "DMA tag create (%s)\n", what); 222 return (error); 223 } 224 225 error = bus_dmamem_alloc(mem->tag, &mem->base, 0, &mem->map); 226 if (error) { 227 if_printf(sc->ifp, "DMA mem alloc (%s): %d\n", 228 what, error); 229 bus_dma_tag_destroy(mem->tag); 230 mem->base = NULL; 231 return (error); 232 } 233 234 error = bus_dmamap_load(mem->tag, mem->map, mem->base, mem->size, 235 dmaload_helper, &mem->paddr, BUS_DMA_NOWAIT); 236 if (error) { 237 if_printf(sc->ifp, "DMA map load (%s): %d\n", 238 what, error); 239 bus_dmamem_free(mem->tag, mem->base, mem->map); 240 bus_dma_tag_destroy(mem->tag); 241 mem->base = NULL; 242 return (error); 243 } 244 245 DBG(sc, DMA, ("%s S/A/V/P 0x%x 0x%x %p 0x%lx", what, mem->size, 246 mem->align, mem->base, (u_long)mem->paddr)); 247 248 return (0); 249} 250 251/* 252 * Destroy all the resources of an DMA-able memory region. 253 */ 254static void 255hatm_destroy_dmamem(struct dmamem *mem) 256{ 257 if (mem->base != NULL) { 258 bus_dmamap_unload(mem->tag, mem->map); 259 bus_dmamem_free(mem->tag, mem->base, mem->map); 260 (void)bus_dma_tag_destroy(mem->tag); 261 mem->base = NULL; 262 } 263} 264 265/* 266 * Initialize/destroy DMA maps for the large pool 0 267 */ 268static void 269hatm_destroy_rmaps(struct hatm_softc *sc) 270{ 271 u_int b; 272 273 DBG(sc, ATTACH, ("destroying rmaps and lbuf pointers...")); 274 if (sc->rmaps != NULL) { 275 for (b = 0; b < sc->lbufs_size; b++) 276 bus_dmamap_destroy(sc->mbuf_tag, sc->rmaps[b]); 277 free(sc->rmaps, M_DEVBUF); 278 } 279 if (sc->lbufs != NULL) 280 free(sc->lbufs, M_DEVBUF); 281} 282 283static void 284hatm_init_rmaps(struct hatm_softc *sc) 285{ 286 u_int b; 287 int err; 288 289 DBG(sc, ATTACH, ("allocating rmaps and lbuf pointers...")); 290 sc->lbufs = malloc(sizeof(sc->lbufs[0]) * sc->lbufs_size, 291 M_DEVBUF, M_ZERO | M_WAITOK); 292 293 /* allocate and create the DMA maps for the large pool */ 294 sc->rmaps = malloc(sizeof(sc->rmaps[0]) * sc->lbufs_size, 295 M_DEVBUF, M_WAITOK); 296 for (b = 0; b < sc->lbufs_size; b++) { 297 err = bus_dmamap_create(sc->mbuf_tag, 0, &sc->rmaps[b]); 298 if (err != 0) 299 panic("bus_dmamap_create: %d\n", err); 300 } 301} 302 303/* 304 * Initialize and destroy small mbuf page pointers and pages 305 */ 306static void 307hatm_destroy_smbufs(struct hatm_softc *sc) 308{ 309 u_int i, b; 310 struct mbuf_page *pg; 311 struct mbuf_chunk_hdr *h; 312 313 if (sc->mbuf_pages != NULL) { 314 for (i = 0; i < sc->mbuf_npages; i++) { 315 pg = sc->mbuf_pages[i]; 316 for (b = 0; b < pg->hdr.nchunks; b++) { 317 h = (struct mbuf_chunk_hdr *) ((char *)pg + 318 b * pg->hdr.chunksize + pg->hdr.hdroff); 319 if (h->flags & MBUF_CARD) 320 if_printf(sc->ifp, 321 "%s -- mbuf page=%u card buf %u\n", 322 __func__, i, b); 323 if (h->flags & MBUF_USED) 324 if_printf(sc->ifp, 325 "%s -- mbuf page=%u used buf %u\n", 326 __func__, i, b); 327 } 328 bus_dmamap_unload(sc->mbuf_tag, pg->hdr.map); 329 bus_dmamap_destroy(sc->mbuf_tag, pg->hdr.map); 330 free(pg, M_DEVBUF); 331 } 332 free(sc->mbuf_pages, M_DEVBUF); 333 } 334} 335 336static void 337hatm_init_smbufs(struct hatm_softc *sc) 338{ 339 sc->mbuf_pages = malloc(sizeof(sc->mbuf_pages[0]) * 340 sc->mbuf_max_pages, M_DEVBUF, M_WAITOK); 341 sc->mbuf_npages = 0; 342} 343 344/* 345 * Initialize/destroy TPDs. This is called from attach/detach. 346 */ 347static void 348hatm_destroy_tpds(struct hatm_softc *sc) 349{ 350 struct tpd *t; 351 352 if (sc->tpds.base == NULL) 353 return; 354 355 DBG(sc, ATTACH, ("releasing TPDs ...")); 356 if (sc->tpd_nfree != sc->tpd_total) 357 if_printf(sc->ifp, "%u tpds still in use from %u\n", 358 sc->tpd_total - sc->tpd_nfree, sc->tpd_total); 359 while ((t = SLIST_FIRST(&sc->tpd_free)) != NULL) { 360 SLIST_REMOVE_HEAD(&sc->tpd_free, link); 361 bus_dmamap_destroy(sc->tx_tag, t->map); 362 } 363 hatm_destroy_dmamem(&sc->tpds); 364 free(sc->tpd_used, M_DEVBUF); 365 DBG(sc, ATTACH, ("... done")); 366} 367static int 368hatm_init_tpds(struct hatm_softc *sc) 369{ 370 int error; 371 u_int i; 372 struct tpd *t; 373 374 DBG(sc, ATTACH, ("allocating %u TPDs and maps ...", sc->tpd_total)); 375 error = hatm_alloc_dmamem(sc, "TPD memory", &sc->tpds); 376 if (error != 0) { 377 DBG(sc, ATTACH, ("... dmamem error=%d", error)); 378 return (error); 379 } 380 381 /* put all the TPDs on the free list and allocate DMA maps */ 382 for (i = 0; i < sc->tpd_total; i++) { 383 t = TPD_ADDR(sc, i); 384 t->no = i; 385 t->mbuf = NULL; 386 error = bus_dmamap_create(sc->tx_tag, 0, &t->map); 387 if (error != 0) { 388 DBG(sc, ATTACH, ("... dmamap error=%d", error)); 389 while ((t = SLIST_FIRST(&sc->tpd_free)) != NULL) { 390 SLIST_REMOVE_HEAD(&sc->tpd_free, link); 391 bus_dmamap_destroy(sc->tx_tag, t->map); 392 } 393 hatm_destroy_dmamem(&sc->tpds); 394 return (error); 395 } 396 397 SLIST_INSERT_HEAD(&sc->tpd_free, t, link); 398 } 399 400 /* allocate and zero bitmap */ 401 sc->tpd_used = malloc(sizeof(uint8_t) * (sc->tpd_total + 7) / 8, 402 M_DEVBUF, M_ZERO | M_WAITOK); 403 sc->tpd_nfree = sc->tpd_total; 404 405 DBG(sc, ATTACH, ("... done")); 406 407 return (0); 408} 409 410/* 411 * Free all the TPDs that where given to the card. 412 * An mbuf chain may be attached to a TPD - free it also and 413 * unload its associated DMA map. 414 */ 415static void 416hatm_stop_tpds(struct hatm_softc *sc) 417{ 418 u_int i; 419 struct tpd *t; 420 421 DBG(sc, ATTACH, ("free TPDs ...")); 422 for (i = 0; i < sc->tpd_total; i++) { 423 if (TPD_TST_USED(sc, i)) { 424 t = TPD_ADDR(sc, i); 425 if (t->mbuf) { 426 m_freem(t->mbuf); 427 t->mbuf = NULL; 428 bus_dmamap_unload(sc->tx_tag, t->map); 429 } 430 TPD_CLR_USED(sc, i); 431 SLIST_INSERT_HEAD(&sc->tpd_free, t, link); 432 sc->tpd_nfree++; 433 } 434 } 435} 436 437/* 438 * This frees ALL resources of this interface and leaves the structure 439 * in an indeterminate state. This is called just before detaching or 440 * on a failed attach. No lock should be held. 441 */ 442static void 443hatm_destroy(struct hatm_softc *sc) 444{ 445 u_int cid; 446 447 bus_teardown_intr(sc->dev, sc->irqres, sc->ih); 448 449 hatm_destroy_rmaps(sc); 450 hatm_destroy_smbufs(sc); 451 hatm_destroy_tpds(sc); 452 453 if (sc->vcc_zone != NULL) { 454 for (cid = 0; cid < HE_MAX_VCCS; cid++) 455 if (sc->vccs[cid] != NULL) 456 uma_zfree(sc->vcc_zone, sc->vccs[cid]); 457 uma_zdestroy(sc->vcc_zone); 458 } 459 460 /* 461 * Release all memory allocated to the various queues and 462 * Status pages. These have there own flag which shows whether 463 * they are really allocated. 464 */ 465 hatm_destroy_dmamem(&sc->irq_0.mem); 466 hatm_destroy_dmamem(&sc->rbp_s0.mem); 467 hatm_destroy_dmamem(&sc->rbp_l0.mem); 468 hatm_destroy_dmamem(&sc->rbp_s1.mem); 469 hatm_destroy_dmamem(&sc->rbrq_0.mem); 470 hatm_destroy_dmamem(&sc->rbrq_1.mem); 471 hatm_destroy_dmamem(&sc->tbrq.mem); 472 hatm_destroy_dmamem(&sc->tpdrq.mem); 473 hatm_destroy_dmamem(&sc->hsp_mem); 474 475 if (sc->irqres != NULL) 476 bus_release_resource(sc->dev, SYS_RES_IRQ, 477 sc->irqid, sc->irqres); 478 479 if (sc->tx_tag != NULL) 480 if (bus_dma_tag_destroy(sc->tx_tag)) 481 if_printf(sc->ifp, "mbuf DMA tag busy\n"); 482 483 if (sc->mbuf_tag != NULL) 484 if (bus_dma_tag_destroy(sc->mbuf_tag)) 485 if_printf(sc->ifp, "mbuf DMA tag busy\n"); 486 487 if (sc->parent_tag != NULL) 488 if (bus_dma_tag_destroy(sc->parent_tag)) 489 if_printf(sc->ifp, "parent DMA tag busy\n"); 490 491 if (sc->memres != NULL) 492 bus_release_resource(sc->dev, SYS_RES_MEMORY, 493 sc->memid, sc->memres); 494 495 sysctl_ctx_free(&sc->sysctl_ctx); 496 497 cv_destroy(&sc->cv_rcclose); 498 cv_destroy(&sc->vcc_cv); 499 mtx_destroy(&sc->mtx); 500} 501 502/* 503 * 4.4 Card reset 504 */ 505static int 506hatm_reset(struct hatm_softc *sc) 507{ 508 u_int v, count; 509 510 WRITE4(sc, HE_REGO_RESET_CNTL, 0x00); 511 BARRIER_W(sc); 512 WRITE4(sc, HE_REGO_RESET_CNTL, 0xff); 513 BARRIER_RW(sc); 514 count = 0; 515 while (((v = READ4(sc, HE_REGO_RESET_CNTL)) & HE_REGM_RESET_STATE) == 0) { 516 BARRIER_R(sc); 517 if (++count == 100) { 518 if_printf(sc->ifp, "reset failed\n"); 519 return (ENXIO); 520 } 521 DELAY(1000); 522 } 523 return (0); 524} 525 526/* 527 * 4.5 Set Bus Width 528 */ 529static void 530hatm_init_bus_width(struct hatm_softc *sc) 531{ 532 uint32_t v, v1; 533 534 v = READ4(sc, HE_REGO_HOST_CNTL); 535 BARRIER_R(sc); 536 if (v & HE_REGM_HOST_BUS64) { 537 sc->pci64 = 1; 538 v1 = pci_read_config(sc->dev, HE_PCIR_GEN_CNTL_0, 4); 539 v1 |= HE_PCIM_CTL0_64BIT; 540 pci_write_config(sc->dev, HE_PCIR_GEN_CNTL_0, v1, 4); 541 542 v |= HE_REGM_HOST_DESC_RD64 543 | HE_REGM_HOST_DATA_RD64 544 | HE_REGM_HOST_DATA_WR64; 545 WRITE4(sc, HE_REGO_HOST_CNTL, v); 546 BARRIER_W(sc); 547 } else { 548 sc->pci64 = 0; 549 v = pci_read_config(sc->dev, HE_PCIR_GEN_CNTL_0, 4); 550 v &= ~HE_PCIM_CTL0_64BIT; 551 pci_write_config(sc->dev, HE_PCIR_GEN_CNTL_0, v, 4); 552 } 553} 554 555/* 556 * 4.6 Set Host Endianess 557 */ 558static void 559hatm_init_endianess(struct hatm_softc *sc) 560{ 561 uint32_t v; 562 563 v = READ4(sc, HE_REGO_LB_SWAP); 564 BARRIER_R(sc); 565#if BYTE_ORDER == BIG_ENDIAN 566 v |= HE_REGM_LBSWAP_INTR_SWAP | 567 HE_REGM_LBSWAP_DESC_WR_SWAP | 568 HE_REGM_LBSWAP_BIG_ENDIAN; 569 v &= ~(HE_REGM_LBSWAP_DATA_WR_SWAP | 570 HE_REGM_LBSWAP_DESC_RD_SWAP | 571 HE_REGM_LBSWAP_DATA_RD_SWAP); 572#else 573 v &= ~(HE_REGM_LBSWAP_DATA_WR_SWAP | 574 HE_REGM_LBSWAP_DESC_RD_SWAP | 575 HE_REGM_LBSWAP_DATA_RD_SWAP | 576 HE_REGM_LBSWAP_INTR_SWAP | 577 HE_REGM_LBSWAP_DESC_WR_SWAP | 578 HE_REGM_LBSWAP_BIG_ENDIAN); 579#endif 580 581 if (sc->he622) 582 v |= HE_REGM_LBSWAP_XFER_SIZE; 583 584 WRITE4(sc, HE_REGO_LB_SWAP, v); 585 BARRIER_W(sc); 586} 587 588/* 589 * 4.7 Read EEPROM 590 */ 591static uint8_t 592hatm_read_prom_byte(struct hatm_softc *sc, u_int addr) 593{ 594 uint32_t val, tmp_read, byte_read; 595 u_int i, j; 596 int n; 597 598 val = READ4(sc, HE_REGO_HOST_CNTL); 599 val &= HE_REGM_HOST_PROM_BITS; 600 BARRIER_R(sc); 601 602 val |= HE_REGM_HOST_PROM_WREN; 603 WRITE4(sc, HE_REGO_HOST_CNTL, val); 604 BARRIER_W(sc); 605 606 /* send READ */ 607 for (i = 0; i < sizeof(readtab) / sizeof(readtab[0]); i++) { 608 WRITE4(sc, HE_REGO_HOST_CNTL, val | readtab[i]); 609 BARRIER_W(sc); 610 DELAY(EEPROM_DELAY); 611 } 612 613 /* send ADDRESS */ 614 for (n = 7, j = 0; n >= 0; n--) { 615 WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++] | 616 (((addr >> n) & 1 ) << HE_REGS_HOST_PROM_DATA_IN)); 617 BARRIER_W(sc); 618 DELAY(EEPROM_DELAY); 619 WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++] | 620 (((addr >> n) & 1 ) << HE_REGS_HOST_PROM_DATA_IN)); 621 BARRIER_W(sc); 622 DELAY(EEPROM_DELAY); 623 } 624 625 val &= ~HE_REGM_HOST_PROM_WREN; 626 WRITE4(sc, HE_REGO_HOST_CNTL, val); 627 BARRIER_W(sc); 628 629 /* read DATA */ 630 byte_read = 0; 631 for (n = 7, j = 0; n >= 0; n--) { 632 WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++]); 633 BARRIER_W(sc); 634 DELAY(EEPROM_DELAY); 635 tmp_read = READ4(sc, HE_REGO_HOST_CNTL); 636 byte_read |= (uint8_t)(((tmp_read & HE_REGM_HOST_PROM_DATA_OUT) 637 >> HE_REGS_HOST_PROM_DATA_OUT) << n); 638 WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++]); 639 BARRIER_W(sc); 640 DELAY(EEPROM_DELAY); 641 } 642 WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++]); 643 BARRIER_W(sc); 644 DELAY(EEPROM_DELAY); 645 646 return (byte_read); 647} 648 649static void 650hatm_init_read_eeprom(struct hatm_softc *sc) 651{ 652 u_int n, count; 653 u_char byte; 654 uint32_t v; 655 656 for (n = count = 0; count < HE_EEPROM_PROD_ID_LEN; count++) { 657 byte = hatm_read_prom_byte(sc, HE_EEPROM_PROD_ID + count); 658 if (n > 0 || byte != ' ') 659 sc->prod_id[n++] = byte; 660 } 661 while (n > 0 && sc->prod_id[n-1] == ' ') 662 n--; 663 sc->prod_id[n] = '\0'; 664 665 for (n = count = 0; count < HE_EEPROM_REV_LEN; count++) { 666 byte = hatm_read_prom_byte(sc, HE_EEPROM_REV + count); 667 if (n > 0 || byte != ' ') 668 sc->rev[n++] = byte; 669 } 670 while (n > 0 && sc->rev[n-1] == ' ') 671 n--; 672 sc->rev[n] = '\0'; 673 IFP2IFATM(sc->ifp)->mib.hw_version = sc->rev[0]; 674 675 IFP2IFATM(sc->ifp)->mib.serial = hatm_read_prom_byte(sc, HE_EEPROM_M_SN + 0) << 0; 676 IFP2IFATM(sc->ifp)->mib.serial |= hatm_read_prom_byte(sc, HE_EEPROM_M_SN + 1) << 8; 677 IFP2IFATM(sc->ifp)->mib.serial |= hatm_read_prom_byte(sc, HE_EEPROM_M_SN + 2) << 16; 678 IFP2IFATM(sc->ifp)->mib.serial |= hatm_read_prom_byte(sc, HE_EEPROM_M_SN + 3) << 24; 679 680 v = hatm_read_prom_byte(sc, HE_EEPROM_MEDIA + 0) << 0; 681 v |= hatm_read_prom_byte(sc, HE_EEPROM_MEDIA + 1) << 8; 682 v |= hatm_read_prom_byte(sc, HE_EEPROM_MEDIA + 2) << 16; 683 v |= hatm_read_prom_byte(sc, HE_EEPROM_MEDIA + 3) << 24; 684 685 switch (v) { 686 case HE_MEDIA_UTP155: 687 IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_UTP_155; 688 IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_155M; 689 break; 690 691 case HE_MEDIA_MMF155: 692 IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_MM_155; 693 IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_155M; 694 break; 695 696 case HE_MEDIA_MMF622: 697 IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_MM_622; 698 IFP2IFATM(sc->ifp)->mib.device = ATM_DEVICE_HE622; 699 IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_622M; 700 sc->he622 = 1; 701 break; 702 703 case HE_MEDIA_SMF155: 704 IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_SM_155; 705 IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_155M; 706 break; 707 708 case HE_MEDIA_SMF622: 709 IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_SM_622; 710 IFP2IFATM(sc->ifp)->mib.device = ATM_DEVICE_HE622; 711 IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_622M; 712 sc->he622 = 1; 713 break; 714 } 715 716 IFP2IFATM(sc->ifp)->mib.esi[0] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 0); 717 IFP2IFATM(sc->ifp)->mib.esi[1] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 1); 718 IFP2IFATM(sc->ifp)->mib.esi[2] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 2); 719 IFP2IFATM(sc->ifp)->mib.esi[3] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 3); 720 IFP2IFATM(sc->ifp)->mib.esi[4] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 4); 721 IFP2IFATM(sc->ifp)->mib.esi[5] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 5); 722} 723 724/* 725 * Clear unused interrupt queue 726 */ 727static void 728hatm_clear_irq(struct hatm_softc *sc, u_int group) 729{ 730 WRITE4(sc, HE_REGO_IRQ_BASE(group), 0); 731 WRITE4(sc, HE_REGO_IRQ_HEAD(group), 0); 732 WRITE4(sc, HE_REGO_IRQ_CNTL(group), 0); 733 WRITE4(sc, HE_REGO_IRQ_DATA(group), 0); 734} 735 736/* 737 * 4.10 Initialize interrupt queues 738 */ 739static void 740hatm_init_irq(struct hatm_softc *sc, struct heirq *q, u_int group) 741{ 742 u_int i; 743 744 if (q->size == 0) { 745 hatm_clear_irq(sc, group); 746 return; 747 } 748 749 q->group = group; 750 q->sc = sc; 751 q->irq = q->mem.base; 752 q->head = 0; 753 q->tailp = q->irq + (q->size - 1); 754 *q->tailp = 0; 755 756 for (i = 0; i < q->size; i++) 757 q->irq[i] = HE_REGM_ITYPE_INVALID; 758 759 WRITE4(sc, HE_REGO_IRQ_BASE(group), q->mem.paddr); 760 WRITE4(sc, HE_REGO_IRQ_HEAD(group), 761 ((q->size - 1) << HE_REGS_IRQ_HEAD_SIZE) | 762 (q->thresh << HE_REGS_IRQ_HEAD_THRESH)); 763 WRITE4(sc, HE_REGO_IRQ_CNTL(group), q->line); 764 WRITE4(sc, HE_REGO_IRQ_DATA(group), 0); 765} 766 767/* 768 * 5.1.3 Initialize connection memory 769 */ 770static void 771hatm_init_cm(struct hatm_softc *sc) 772{ 773 u_int rsra, mlbm, rabr, numbuffs; 774 u_int tsra, tabr, mtpd; 775 u_int n; 776 777 for (n = 0; n < HE_CONFIG_TXMEM; n++) 778 WRITE_TCM4(sc, n, 0); 779 for (n = 0; n < HE_CONFIG_RXMEM; n++) 780 WRITE_RCM4(sc, n, 0); 781 782 numbuffs = sc->r0_numbuffs + sc->r1_numbuffs + sc->tx_numbuffs; 783 784 rsra = 0; 785 mlbm = ((rsra + IFP2IFATM(sc->ifp)->mib.max_vccs * 8) + 0x7ff) & ~0x7ff; 786 rabr = ((mlbm + numbuffs * 2) + 0x7ff) & ~0x7ff; 787 sc->rsrb = ((rabr + 2048) + (2 * IFP2IFATM(sc->ifp)->mib.max_vccs - 1)) & 788 ~(2 * IFP2IFATM(sc->ifp)->mib.max_vccs - 1); 789 790 tsra = 0; 791 sc->tsrb = tsra + IFP2IFATM(sc->ifp)->mib.max_vccs * 8; 792 sc->tsrc = sc->tsrb + IFP2IFATM(sc->ifp)->mib.max_vccs * 4; 793 sc->tsrd = sc->tsrc + IFP2IFATM(sc->ifp)->mib.max_vccs * 2; 794 tabr = sc->tsrd + IFP2IFATM(sc->ifp)->mib.max_vccs * 1; 795 mtpd = ((tabr + 1024) + (16 * IFP2IFATM(sc->ifp)->mib.max_vccs - 1)) & 796 ~(16 * IFP2IFATM(sc->ifp)->mib.max_vccs - 1); 797 798 DBG(sc, ATTACH, ("rsra=%x mlbm=%x rabr=%x rsrb=%x", 799 rsra, mlbm, rabr, sc->rsrb)); 800 DBG(sc, ATTACH, ("tsra=%x tsrb=%x tsrc=%x tsrd=%x tabr=%x mtpd=%x", 801 tsra, sc->tsrb, sc->tsrc, sc->tsrd, tabr, mtpd)); 802 803 WRITE4(sc, HE_REGO_TSRB_BA, sc->tsrb); 804 WRITE4(sc, HE_REGO_TSRC_BA, sc->tsrc); 805 WRITE4(sc, HE_REGO_TSRD_BA, sc->tsrd); 806 WRITE4(sc, HE_REGO_TMABR_BA, tabr); 807 WRITE4(sc, HE_REGO_TPD_BA, mtpd); 808 809 WRITE4(sc, HE_REGO_RCMRSRB_BA, sc->rsrb); 810 WRITE4(sc, HE_REGO_RCMLBM_BA, mlbm); 811 WRITE4(sc, HE_REGO_RCMABR_BA, rabr); 812 813 BARRIER_W(sc); 814} 815 816/* 817 * 5.1.4 Initialize Local buffer Pools 818 */ 819static void 820hatm_init_rx_buffer_pool(struct hatm_softc *sc, 821 u_int num, /* bank */ 822 u_int start, /* start row */ 823 u_int numbuffs /* number of entries */ 824) 825{ 826 u_int row_size; /* bytes per row */ 827 uint32_t row_addr; /* start address of this row */ 828 u_int lbuf_size; /* bytes per lbuf */ 829 u_int lbufs_per_row; /* number of lbufs per memory row */ 830 uint32_t lbufd_index; /* index of lbuf descriptor */ 831 uint32_t lbufd_addr; /* address of lbuf descriptor */ 832 u_int lbuf_row_cnt; /* current lbuf in current row */ 833 uint32_t lbuf_addr; /* address of current buffer */ 834 u_int i; 835 836 row_size = sc->bytes_per_row;; 837 row_addr = start * row_size; 838 lbuf_size = sc->cells_per_lbuf * 48; 839 lbufs_per_row = sc->cells_per_row / sc->cells_per_lbuf; 840 841 /* descriptor index */ 842 lbufd_index = num; 843 844 /* 2 words per entry */ 845 lbufd_addr = READ4(sc, HE_REGO_RCMLBM_BA) + lbufd_index * 2; 846 847 /* write head of queue */ 848 WRITE4(sc, HE_REGO_RLBF_H(num), lbufd_index); 849 850 lbuf_row_cnt = 0; 851 for (i = 0; i < numbuffs; i++) { 852 lbuf_addr = (row_addr + lbuf_row_cnt * lbuf_size) / 32; 853 854 WRITE_RCM4(sc, lbufd_addr, lbuf_addr); 855 856 lbufd_index += 2; 857 WRITE_RCM4(sc, lbufd_addr + 1, lbufd_index); 858 859 if (++lbuf_row_cnt == lbufs_per_row) { 860 lbuf_row_cnt = 0; 861 row_addr += row_size; 862 } 863 864 lbufd_addr += 2 * 2; 865 } 866 867 WRITE4(sc, HE_REGO_RLBF_T(num), lbufd_index - 2); 868 WRITE4(sc, HE_REGO_RLBF_C(num), numbuffs); 869 870 BARRIER_W(sc); 871} 872 873static void 874hatm_init_tx_buffer_pool(struct hatm_softc *sc, 875 u_int start, /* start row */ 876 u_int numbuffs /* number of entries */ 877) 878{ 879 u_int row_size; /* bytes per row */ 880 uint32_t row_addr; /* start address of this row */ 881 u_int lbuf_size; /* bytes per lbuf */ 882 u_int lbufs_per_row; /* number of lbufs per memory row */ 883 uint32_t lbufd_index; /* index of lbuf descriptor */ 884 uint32_t lbufd_addr; /* address of lbuf descriptor */ 885 u_int lbuf_row_cnt; /* current lbuf in current row */ 886 uint32_t lbuf_addr; /* address of current buffer */ 887 u_int i; 888 889 row_size = sc->bytes_per_row;; 890 row_addr = start * row_size; 891 lbuf_size = sc->cells_per_lbuf * 48; 892 lbufs_per_row = sc->cells_per_row / sc->cells_per_lbuf; 893 894 /* descriptor index */ 895 lbufd_index = sc->r0_numbuffs + sc->r1_numbuffs; 896 897 /* 2 words per entry */ 898 lbufd_addr = READ4(sc, HE_REGO_RCMLBM_BA) + lbufd_index * 2; 899 900 /* write head of queue */ 901 WRITE4(sc, HE_REGO_TLBF_H, lbufd_index); 902 903 lbuf_row_cnt = 0; 904 for (i = 0; i < numbuffs; i++) { 905 lbuf_addr = (row_addr + lbuf_row_cnt * lbuf_size) / 32; 906 907 WRITE_RCM4(sc, lbufd_addr, lbuf_addr); 908 lbufd_index++; 909 WRITE_RCM4(sc, lbufd_addr + 1, lbufd_index); 910 911 if (++lbuf_row_cnt == lbufs_per_row) { 912 lbuf_row_cnt = 0; 913 row_addr += row_size; 914 } 915 916 lbufd_addr += 2; 917 } 918 919 WRITE4(sc, HE_REGO_TLBF_T, lbufd_index - 1); 920 BARRIER_W(sc); 921} 922 923/* 924 * 5.1.5 Initialize Intermediate Receive Queues 925 */ 926static void 927hatm_init_imed_queues(struct hatm_softc *sc) 928{ 929 u_int n; 930 931 if (sc->he622) { 932 for (n = 0; n < 8; n++) { 933 WRITE4(sc, HE_REGO_INMQ_S(n), 0x10*n+0x000f); 934 WRITE4(sc, HE_REGO_INMQ_L(n), 0x10*n+0x200f); 935 } 936 } else { 937 for (n = 0; n < 8; n++) { 938 WRITE4(sc, HE_REGO_INMQ_S(n), n); 939 WRITE4(sc, HE_REGO_INMQ_L(n), n+0x8); 940 } 941 } 942} 943 944/* 945 * 5.1.7 Init CS block 946 */ 947static void 948hatm_init_cs_block(struct hatm_softc *sc) 949{ 950 u_int n, i; 951 u_int clkfreg, cellrate, decr, tmp; 952 static const uint32_t erthr[2][5][3] = HE_REGT_CS_ERTHR; 953 static const uint32_t erctl[2][3] = HE_REGT_CS_ERCTL; 954 static const uint32_t erstat[2][2] = HE_REGT_CS_ERSTAT; 955 static const uint32_t rtfwr[2] = HE_REGT_CS_RTFWR; 956 static const uint32_t rtatr[2] = HE_REGT_CS_RTATR; 957 static const uint32_t bwalloc[2][6] = HE_REGT_CS_BWALLOC; 958 static const uint32_t orcf[2][2] = HE_REGT_CS_ORCF; 959 960 /* Clear Rate Controller Start Times and Occupied Flags */ 961 for (n = 0; n < 32; n++) 962 WRITE_MBOX4(sc, HE_REGO_CS_STTIM(n), 0); 963 964 clkfreg = sc->he622 ? HE_622_CLOCK : HE_155_CLOCK; 965 cellrate = sc->he622 ? ATM_RATE_622M : ATM_RATE_155M; 966 decr = cellrate / 32; 967 968 for (n = 0; n < 16; n++) { 969 tmp = clkfreg / cellrate; 970 WRITE_MBOX4(sc, HE_REGO_CS_TGRLD(n), tmp - 1); 971 cellrate -= decr; 972 } 973 974 i = (sc->cells_per_lbuf == 2) ? 0 975 :(sc->cells_per_lbuf == 4) ? 1 976 : 2; 977 978 /* table 5.2 */ 979 WRITE_MBOX4(sc, HE_REGO_CS_ERTHR0, erthr[sc->he622][0][i]); 980 WRITE_MBOX4(sc, HE_REGO_CS_ERTHR1, erthr[sc->he622][1][i]); 981 WRITE_MBOX4(sc, HE_REGO_CS_ERTHR2, erthr[sc->he622][2][i]); 982 WRITE_MBOX4(sc, HE_REGO_CS_ERTHR3, erthr[sc->he622][3][i]); 983 WRITE_MBOX4(sc, HE_REGO_CS_ERTHR4, erthr[sc->he622][4][i]); 984 985 WRITE_MBOX4(sc, HE_REGO_CS_ERCTL0, erctl[sc->he622][0]); 986 WRITE_MBOX4(sc, HE_REGO_CS_ERCTL1, erctl[sc->he622][1]); 987 WRITE_MBOX4(sc, HE_REGO_CS_ERCTL2, erctl[sc->he622][2]); 988 989 WRITE_MBOX4(sc, HE_REGO_CS_ERSTAT0, erstat[sc->he622][0]); 990 WRITE_MBOX4(sc, HE_REGO_CS_ERSTAT1, erstat[sc->he622][1]); 991 992 WRITE_MBOX4(sc, HE_REGO_CS_RTFWR, rtfwr[sc->he622]); 993 WRITE_MBOX4(sc, HE_REGO_CS_RTATR, rtatr[sc->he622]); 994 995 WRITE_MBOX4(sc, HE_REGO_CS_TFBSET, bwalloc[sc->he622][0]); 996 WRITE_MBOX4(sc, HE_REGO_CS_WCRMAX, bwalloc[sc->he622][1]); 997 WRITE_MBOX4(sc, HE_REGO_CS_WCRMIN, bwalloc[sc->he622][2]); 998 WRITE_MBOX4(sc, HE_REGO_CS_WCRINC, bwalloc[sc->he622][3]); 999 WRITE_MBOX4(sc, HE_REGO_CS_WCRDEC, bwalloc[sc->he622][4]); 1000 WRITE_MBOX4(sc, HE_REGO_CS_WCRCEIL, bwalloc[sc->he622][5]); 1001 1002 WRITE_MBOX4(sc, HE_REGO_CS_OTPPER, orcf[sc->he622][0]); 1003 WRITE_MBOX4(sc, HE_REGO_CS_OTWPER, orcf[sc->he622][1]); 1004 1005 WRITE_MBOX4(sc, HE_REGO_CS_OTTLIM, 8); 1006 1007 for (n = 0; n < 8; n++) 1008 WRITE_MBOX4(sc, HE_REGO_CS_HGRRT(n), 0); 1009} 1010 1011/* 1012 * 5.1.8 CS Block Connection Memory Initialisation 1013 */ 1014static void 1015hatm_init_cs_block_cm(struct hatm_softc *sc) 1016{ 1017 u_int n, i; 1018 u_int expt, mant, etrm, wcr, ttnrm, tnrm; 1019 uint32_t rate; 1020 uint32_t clkfreq, cellrate, decr; 1021 uint32_t *rg, rtg, val = 0; 1022 uint64_t drate; 1023 u_int buf, buf_limit; 1024 uint32_t base = READ4(sc, HE_REGO_RCMABR_BA); 1025 1026 for (n = 0; n < HE_REGL_CM_GQTBL; n++) 1027 WRITE_RCM4(sc, base + HE_REGO_CM_GQTBL + n, 0); 1028 for (n = 0; n < HE_REGL_CM_RGTBL; n++) 1029 WRITE_RCM4(sc, base + HE_REGO_CM_RGTBL + n, 0); 1030 1031 tnrm = 0; 1032 for (n = 0; n < HE_REGL_CM_TNRMTBL * 4; n++) { 1033 expt = (n >> 5) & 0x1f; 1034 mant = ((n & 0x18) << 4) | 0x7f; 1035 wcr = (1 << expt) * (mant + 512) / 512; 1036 etrm = n & 0x7; 1037 ttnrm = wcr / 10 / (1 << etrm); 1038 if (ttnrm > 255) 1039 ttnrm = 255; 1040 else if(ttnrm < 2) 1041 ttnrm = 2; 1042 tnrm = (tnrm << 8) | (ttnrm & 0xff); 1043 if (n % 4 == 0) 1044 WRITE_RCM4(sc, base + HE_REGO_CM_TNRMTBL + (n/4), tnrm); 1045 } 1046 1047 clkfreq = sc->he622 ? HE_622_CLOCK : HE_155_CLOCK; 1048 buf_limit = 4; 1049 1050 cellrate = sc->he622 ? ATM_RATE_622M : ATM_RATE_155M; 1051 decr = cellrate / 32; 1052 1053 /* compute GRID top row in 1000 * cps */ 1054 for (n = 0; n < 16; n++) { 1055 u_int interval = clkfreq / cellrate; 1056 sc->rate_grid[0][n] = (u_int64_t)clkfreq * 1000 / interval; 1057 cellrate -= decr; 1058 } 1059 1060 /* compute the other rows according to 2.4 */ 1061 for (i = 1; i < 16; i++) 1062 for (n = 0; n < 16; n++) 1063 sc->rate_grid[i][n] = sc->rate_grid[i-1][n] / 1064 ((i < 14) ? 2 : 4); 1065 1066 /* first entry is line rate */ 1067 n = hatm_cps2atmf(sc->he622 ? ATM_RATE_622M : ATM_RATE_155M); 1068 expt = (n >> 9) & 0x1f; 1069 mant = n & 0x1f0; 1070 sc->rate_grid[0][0] = (u_int64_t)(1<<expt) * 1000 * (mant+512) / 512; 1071 1072 /* now build the conversion table - each 32 bit word contains 1073 * two entries - this gives a total of 0x400 16 bit entries. 1074 * This table maps the truncated ATMF rate version into a grid index */ 1075 cellrate = sc->he622 ? ATM_RATE_622M : ATM_RATE_155M; 1076 rg = &sc->rate_grid[15][15]; 1077 1078 for (rate = 0; rate < 2 * HE_REGL_CM_RTGTBL; rate++) { 1079 /* unpack the ATMF rate */ 1080 expt = rate >> 5; 1081 mant = (rate & 0x1f) << 4; 1082 1083 /* get the cell rate - minimum is 10 per second */ 1084 drate = (uint64_t)(1 << expt) * 1000 * (mant + 512) / 512; 1085 if (drate < 10 * 1000) 1086 drate = 10 * 1000; 1087 1088 /* now look up the grid index */ 1089 while (drate >= *rg && rg-- > &sc->rate_grid[0][0]) 1090 ; 1091 rg++; 1092 rtg = rg - &sc->rate_grid[0][0]; 1093 1094 /* now compute the buffer limit */ 1095 buf = drate * sc->tx_numbuffs / (cellrate * 2) / 1000; 1096 if (buf == 0) 1097 buf = 1; 1098 else if (buf > buf_limit) 1099 buf = buf_limit; 1100 1101 /* make value */ 1102 val = (val << 16) | (rtg << 8) | buf; 1103 1104 /* write */ 1105 if (rate % 2 == 1) 1106 WRITE_RCM4(sc, base + HE_REGO_CM_RTGTBL + rate/2, val); 1107 } 1108} 1109 1110/* 1111 * Clear an unused receive group buffer pool 1112 */ 1113static void 1114hatm_clear_rpool(struct hatm_softc *sc, u_int group, u_int large) 1115{ 1116 WRITE4(sc, HE_REGO_RBP_S(large, group), 0); 1117 WRITE4(sc, HE_REGO_RBP_T(large, group), 0); 1118 WRITE4(sc, HE_REGO_RBP_QI(large, group), 1); 1119 WRITE4(sc, HE_REGO_RBP_BL(large, group), 0); 1120} 1121 1122/* 1123 * Initialize a receive group buffer pool 1124 */ 1125static void 1126hatm_init_rpool(struct hatm_softc *sc, struct herbp *q, u_int group, 1127 u_int large) 1128{ 1129 if (q->size == 0) { 1130 hatm_clear_rpool(sc, group, large); 1131 return; 1132 } 1133 1134 bzero(q->mem.base, q->mem.size); 1135 q->rbp = q->mem.base; 1136 q->head = q->tail = 0; 1137 1138 DBG(sc, ATTACH, ("RBP%u%c=0x%lx", group, "SL"[large], 1139 (u_long)q->mem.paddr)); 1140 1141 WRITE4(sc, HE_REGO_RBP_S(large, group), q->mem.paddr); 1142 WRITE4(sc, HE_REGO_RBP_T(large, group), 0); 1143 WRITE4(sc, HE_REGO_RBP_QI(large, group), 1144 ((q->size - 1) << HE_REGS_RBP_SIZE) | 1145 HE_REGM_RBP_INTR_ENB | 1146 (q->thresh << HE_REGS_RBP_THRESH)); 1147 WRITE4(sc, HE_REGO_RBP_BL(large, group), (q->bsize >> 2) & ~1); 1148} 1149 1150/* 1151 * Clear an unused receive buffer return queue 1152 */ 1153static void 1154hatm_clear_rbrq(struct hatm_softc *sc, u_int group) 1155{ 1156 WRITE4(sc, HE_REGO_RBRQ_ST(group), 0); 1157 WRITE4(sc, HE_REGO_RBRQ_H(group), 0); 1158 WRITE4(sc, HE_REGO_RBRQ_Q(group), (1 << HE_REGS_RBRQ_THRESH)); 1159 WRITE4(sc, HE_REGO_RBRQ_I(group), 0); 1160} 1161 1162/* 1163 * Initialize receive buffer return queue 1164 */ 1165static void 1166hatm_init_rbrq(struct hatm_softc *sc, struct herbrq *rq, u_int group) 1167{ 1168 if (rq->size == 0) { 1169 hatm_clear_rbrq(sc, group); 1170 return; 1171 } 1172 1173 rq->rbrq = rq->mem.base; 1174 rq->head = 0; 1175 1176 DBG(sc, ATTACH, ("RBRQ%u=0x%lx", group, (u_long)rq->mem.paddr)); 1177 1178 WRITE4(sc, HE_REGO_RBRQ_ST(group), rq->mem.paddr); 1179 WRITE4(sc, HE_REGO_RBRQ_H(group), 0); 1180 WRITE4(sc, HE_REGO_RBRQ_Q(group), 1181 (rq->thresh << HE_REGS_RBRQ_THRESH) | 1182 ((rq->size - 1) << HE_REGS_RBRQ_SIZE)); 1183 WRITE4(sc, HE_REGO_RBRQ_I(group), 1184 (rq->tout << HE_REGS_RBRQ_TIME) | 1185 (rq->pcnt << HE_REGS_RBRQ_COUNT)); 1186} 1187 1188/* 1189 * Clear an unused transmit buffer return queue N 1190 */ 1191static void 1192hatm_clear_tbrq(struct hatm_softc *sc, u_int group) 1193{ 1194 WRITE4(sc, HE_REGO_TBRQ_B_T(group), 0); 1195 WRITE4(sc, HE_REGO_TBRQ_H(group), 0); 1196 WRITE4(sc, HE_REGO_TBRQ_S(group), 0); 1197 WRITE4(sc, HE_REGO_TBRQ_THRESH(group), 1); 1198} 1199 1200/* 1201 * Initialize transmit buffer return queue N 1202 */ 1203static void 1204hatm_init_tbrq(struct hatm_softc *sc, struct hetbrq *tq, u_int group) 1205{ 1206 if (tq->size == 0) { 1207 hatm_clear_tbrq(sc, group); 1208 return; 1209 } 1210 1211 tq->tbrq = tq->mem.base; 1212 tq->head = 0; 1213 1214 DBG(sc, ATTACH, ("TBRQ%u=0x%lx", group, (u_long)tq->mem.paddr)); 1215 1216 WRITE4(sc, HE_REGO_TBRQ_B_T(group), tq->mem.paddr); 1217 WRITE4(sc, HE_REGO_TBRQ_H(group), 0); 1218 WRITE4(sc, HE_REGO_TBRQ_S(group), tq->size - 1); 1219 WRITE4(sc, HE_REGO_TBRQ_THRESH(group), tq->thresh); 1220} 1221 1222/* 1223 * Initialize TPDRQ 1224 */ 1225static void 1226hatm_init_tpdrq(struct hatm_softc *sc) 1227{ 1228 struct hetpdrq *tq; 1229 1230 tq = &sc->tpdrq; 1231 tq->tpdrq = tq->mem.base; 1232 tq->tail = tq->head = 0; 1233 1234 DBG(sc, ATTACH, ("TPDRQ=0x%lx", (u_long)tq->mem.paddr)); 1235 1236 WRITE4(sc, HE_REGO_TPDRQ_H, tq->mem.paddr); 1237 WRITE4(sc, HE_REGO_TPDRQ_T, 0); 1238 WRITE4(sc, HE_REGO_TPDRQ_S, tq->size - 1); 1239} 1240 1241/* 1242 * Function can be called by the infrastructure to start the card. 1243 */ 1244static void 1245hatm_init(void *p) 1246{ 1247 struct hatm_softc *sc = p; 1248 1249 mtx_lock(&sc->mtx); 1250 hatm_stop(sc); 1251 hatm_initialize(sc); 1252 mtx_unlock(&sc->mtx); 1253} 1254 1255enum { 1256 CTL_ISTATS, 1257}; 1258 1259/* 1260 * Sysctl handler 1261 */ 1262static int 1263hatm_sysctl(SYSCTL_HANDLER_ARGS) 1264{ 1265 struct hatm_softc *sc = arg1; 1266 uint32_t *ret; 1267 int error; 1268 size_t len; 1269 1270 switch (arg2) { 1271 1272 case CTL_ISTATS: 1273 len = sizeof(sc->istats); 1274 break; 1275 1276 default: 1277 panic("bad control code"); 1278 } 1279 1280 ret = malloc(len, M_TEMP, M_WAITOK); 1281 mtx_lock(&sc->mtx); 1282 1283 switch (arg2) { 1284 1285 case CTL_ISTATS: 1286 sc->istats.mcc += READ4(sc, HE_REGO_MCC); 1287 sc->istats.oec += READ4(sc, HE_REGO_OEC); 1288 sc->istats.dcc += READ4(sc, HE_REGO_DCC); 1289 sc->istats.cec += READ4(sc, HE_REGO_CEC); 1290 bcopy(&sc->istats, ret, sizeof(sc->istats)); 1291 break; 1292 } 1293 mtx_unlock(&sc->mtx); 1294 1295 error = SYSCTL_OUT(req, ret, len); 1296 free(ret, M_TEMP); 1297 1298 return (error); 1299} 1300 1301static int 1302kenv_getuint(struct hatm_softc *sc, const char *var, 1303 u_int *ptr, u_int def, int rw) 1304{ 1305 char full[IFNAMSIZ + 3 + 20]; 1306 char *val, *end; 1307 u_int u; 1308 1309 *ptr = def; 1310 1311 if (SYSCTL_ADD_UINT(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), 1312 OID_AUTO, var, rw ? CTLFLAG_RW : CTLFLAG_RD, ptr, 0, "") == NULL) 1313 return (ENOMEM); 1314 1315 snprintf(full, sizeof(full), "hw.%s.%s", 1316 device_get_nameunit(sc->dev), var); 1317 1318 if ((val = getenv(full)) == NULL) 1319 return (0); 1320 u = strtoul(val, &end, 0); 1321 if (end == val || *end != '\0') { 1322 freeenv(val); 1323 return (EINVAL); 1324 } 1325 if (bootverbose) 1326 if_printf(sc->ifp, "%s=%u\n", full, u); 1327 *ptr = u; 1328 return (0); 1329} 1330 1331/* 1332 * Set configurable parameters. Many of these are configurable via 1333 * kenv. 1334 */ 1335static int 1336hatm_configure(struct hatm_softc *sc) 1337{ 1338 /* Receive buffer pool 0 small */ 1339 kenv_getuint(sc, "rbps0_size", &sc->rbp_s0.size, 1340 HE_CONFIG_RBPS0_SIZE, 0); 1341 kenv_getuint(sc, "rbps0_thresh", &sc->rbp_s0.thresh, 1342 HE_CONFIG_RBPS0_THRESH, 0); 1343 sc->rbp_s0.bsize = MBUF0_SIZE; 1344 1345 /* Receive buffer pool 0 large */ 1346 kenv_getuint(sc, "rbpl0_size", &sc->rbp_l0.size, 1347 HE_CONFIG_RBPL0_SIZE, 0); 1348 kenv_getuint(sc, "rbpl0_thresh", &sc->rbp_l0.thresh, 1349 HE_CONFIG_RBPL0_THRESH, 0); 1350 sc->rbp_l0.bsize = MCLBYTES - MBUFL_OFFSET; 1351 1352 /* Receive buffer return queue 0 */ 1353 kenv_getuint(sc, "rbrq0_size", &sc->rbrq_0.size, 1354 HE_CONFIG_RBRQ0_SIZE, 0); 1355 kenv_getuint(sc, "rbrq0_thresh", &sc->rbrq_0.thresh, 1356 HE_CONFIG_RBRQ0_THRESH, 0); 1357 kenv_getuint(sc, "rbrq0_tout", &sc->rbrq_0.tout, 1358 HE_CONFIG_RBRQ0_TOUT, 0); 1359 kenv_getuint(sc, "rbrq0_pcnt", &sc->rbrq_0.pcnt, 1360 HE_CONFIG_RBRQ0_PCNT, 0); 1361 1362 /* Receive buffer pool 1 small */ 1363 kenv_getuint(sc, "rbps1_size", &sc->rbp_s1.size, 1364 HE_CONFIG_RBPS1_SIZE, 0); 1365 kenv_getuint(sc, "rbps1_thresh", &sc->rbp_s1.thresh, 1366 HE_CONFIG_RBPS1_THRESH, 0); 1367 sc->rbp_s1.bsize = MBUF1_SIZE; 1368 1369 /* Receive buffer return queue 1 */ 1370 kenv_getuint(sc, "rbrq1_size", &sc->rbrq_1.size, 1371 HE_CONFIG_RBRQ1_SIZE, 0); 1372 kenv_getuint(sc, "rbrq1_thresh", &sc->rbrq_1.thresh, 1373 HE_CONFIG_RBRQ1_THRESH, 0); 1374 kenv_getuint(sc, "rbrq1_tout", &sc->rbrq_1.tout, 1375 HE_CONFIG_RBRQ1_TOUT, 0); 1376 kenv_getuint(sc, "rbrq1_pcnt", &sc->rbrq_1.pcnt, 1377 HE_CONFIG_RBRQ1_PCNT, 0); 1378 1379 /* Interrupt queue 0 */ 1380 kenv_getuint(sc, "irq0_size", &sc->irq_0.size, 1381 HE_CONFIG_IRQ0_SIZE, 0); 1382 kenv_getuint(sc, "irq0_thresh", &sc->irq_0.thresh, 1383 HE_CONFIG_IRQ0_THRESH, 0); 1384 sc->irq_0.line = HE_CONFIG_IRQ0_LINE; 1385 1386 /* Transmit buffer return queue 0 */ 1387 kenv_getuint(sc, "tbrq0_size", &sc->tbrq.size, 1388 HE_CONFIG_TBRQ_SIZE, 0); 1389 kenv_getuint(sc, "tbrq0_thresh", &sc->tbrq.thresh, 1390 HE_CONFIG_TBRQ_THRESH, 0); 1391 1392 /* Transmit buffer ready queue */ 1393 kenv_getuint(sc, "tpdrq_size", &sc->tpdrq.size, 1394 HE_CONFIG_TPDRQ_SIZE, 0); 1395 /* Max TPDs per VCC */ 1396 kenv_getuint(sc, "tpdmax", &sc->max_tpd, 1397 HE_CONFIG_TPD_MAXCC, 0); 1398 1399 /* external mbuf pages */ 1400 kenv_getuint(sc, "max_mbuf_pages", &sc->mbuf_max_pages, 1401 HE_CONFIG_MAX_MBUF_PAGES, 0); 1402 1403 /* mpsafe */ 1404 kenv_getuint(sc, "mpsafe", &sc->mpsafe, 0, 0); 1405 if (sc->mpsafe != 0) 1406 sc->mpsafe = INTR_MPSAFE; 1407 1408 return (0); 1409} 1410 1411#ifdef HATM_DEBUG 1412 1413/* 1414 * Get TSRs from connection memory 1415 */ 1416static int 1417hatm_sysctl_tsr(SYSCTL_HANDLER_ARGS) 1418{ 1419 struct hatm_softc *sc = arg1; 1420 int error, i, j; 1421 uint32_t *val; 1422 1423 val = malloc(sizeof(uint32_t) * HE_MAX_VCCS * 15, M_TEMP, M_WAITOK); 1424 1425 mtx_lock(&sc->mtx); 1426 for (i = 0; i < HE_MAX_VCCS; i++) 1427 for (j = 0; j <= 14; j++) 1428 val[15 * i + j] = READ_TSR(sc, i, j); 1429 mtx_unlock(&sc->mtx); 1430 1431 error = SYSCTL_OUT(req, val, sizeof(uint32_t) * HE_MAX_VCCS * 15); 1432 free(val, M_TEMP); 1433 if (error != 0 || req->newptr == NULL) 1434 return (error); 1435 1436 return (EPERM); 1437} 1438 1439/* 1440 * Get TPDs from connection memory 1441 */ 1442static int 1443hatm_sysctl_tpd(SYSCTL_HANDLER_ARGS) 1444{ 1445 struct hatm_softc *sc = arg1; 1446 int error, i, j; 1447 uint32_t *val; 1448 1449 val = malloc(sizeof(uint32_t) * HE_MAX_VCCS * 16, M_TEMP, M_WAITOK); 1450 1451 mtx_lock(&sc->mtx); 1452 for (i = 0; i < HE_MAX_VCCS; i++) 1453 for (j = 0; j < 16; j++) 1454 val[16 * i + j] = READ_TCM4(sc, 16 * i + j); 1455 mtx_unlock(&sc->mtx); 1456 1457 error = SYSCTL_OUT(req, val, sizeof(uint32_t) * HE_MAX_VCCS * 16); 1458 free(val, M_TEMP); 1459 if (error != 0 || req->newptr == NULL) 1460 return (error); 1461 1462 return (EPERM); 1463} 1464 1465/* 1466 * Get mbox registers 1467 */ 1468static int 1469hatm_sysctl_mbox(SYSCTL_HANDLER_ARGS) 1470{ 1471 struct hatm_softc *sc = arg1; 1472 int error, i; 1473 uint32_t *val; 1474 1475 val = malloc(sizeof(uint32_t) * HE_REGO_CS_END, M_TEMP, M_WAITOK); 1476 1477 mtx_lock(&sc->mtx); 1478 for (i = 0; i < HE_REGO_CS_END; i++) 1479 val[i] = READ_MBOX4(sc, i); 1480 mtx_unlock(&sc->mtx); 1481 1482 error = SYSCTL_OUT(req, val, sizeof(uint32_t) * HE_REGO_CS_END); 1483 free(val, M_TEMP); 1484 if (error != 0 || req->newptr == NULL) 1485 return (error); 1486 1487 return (EPERM); 1488} 1489 1490/* 1491 * Get connection memory 1492 */ 1493static int 1494hatm_sysctl_cm(SYSCTL_HANDLER_ARGS) 1495{ 1496 struct hatm_softc *sc = arg1; 1497 int error, i; 1498 uint32_t *val; 1499 1500 val = malloc(sizeof(uint32_t) * (HE_CONFIG_RXMEM + 1), M_TEMP, M_WAITOK); 1501 1502 mtx_lock(&sc->mtx); 1503 val[0] = READ4(sc, HE_REGO_RCMABR_BA); 1504 for (i = 0; i < HE_CONFIG_RXMEM; i++) 1505 val[i + 1] = READ_RCM4(sc, i); 1506 mtx_unlock(&sc->mtx); 1507 1508 error = SYSCTL_OUT(req, val, sizeof(uint32_t) * (HE_CONFIG_RXMEM + 1)); 1509 free(val, M_TEMP); 1510 if (error != 0 || req->newptr == NULL) 1511 return (error); 1512 1513 return (EPERM); 1514} 1515 1516/* 1517 * Get local buffer memory 1518 */ 1519static int 1520hatm_sysctl_lbmem(SYSCTL_HANDLER_ARGS) 1521{ 1522 struct hatm_softc *sc = arg1; 1523 int error, i; 1524 uint32_t *val; 1525 u_int bytes = (1 << 21); 1526 1527 val = malloc(bytes, M_TEMP, M_WAITOK); 1528 1529 mtx_lock(&sc->mtx); 1530 for (i = 0; i < bytes / 4; i++) 1531 val[i] = READ_LB4(sc, i); 1532 mtx_unlock(&sc->mtx); 1533 1534 error = SYSCTL_OUT(req, val, bytes); 1535 free(val, M_TEMP); 1536 if (error != 0 || req->newptr == NULL) 1537 return (error); 1538 1539 return (EPERM); 1540} 1541 1542/* 1543 * Get all card registers 1544 */ 1545static int 1546hatm_sysctl_heregs(SYSCTL_HANDLER_ARGS) 1547{ 1548 struct hatm_softc *sc = arg1; 1549 int error, i; 1550 uint32_t *val; 1551 1552 val = malloc(HE_REGO_END, M_TEMP, M_WAITOK); 1553 1554 mtx_lock(&sc->mtx); 1555 for (i = 0; i < HE_REGO_END; i += 4) 1556 val[i / 4] = READ4(sc, i); 1557 mtx_unlock(&sc->mtx); 1558 1559 error = SYSCTL_OUT(req, val, HE_REGO_END); 1560 free(val, M_TEMP); 1561 if (error != 0 || req->newptr == NULL) 1562 return (error); 1563 1564 return (EPERM); 1565} 1566#endif 1567 1568/* 1569 * Suni register access 1570 */ 1571/* 1572 * read at most n SUNI registers starting at reg into val 1573 */ 1574static int 1575hatm_utopia_readregs(struct ifatm *ifatm, u_int reg, uint8_t *val, u_int *n) 1576{ 1577 u_int i; 1578 struct hatm_softc *sc = ifatm->ifp->if_softc; 1579 1580 if (reg >= (HE_REGO_SUNI_END - HE_REGO_SUNI) / 4) 1581 return (EINVAL); 1582 if (reg + *n > (HE_REGO_SUNI_END - HE_REGO_SUNI) / 4) 1583 *n = reg - (HE_REGO_SUNI_END - HE_REGO_SUNI) / 4; 1584 1585 mtx_assert(&sc->mtx, MA_OWNED); 1586 for (i = 0; i < *n; i++) 1587 val[i] = READ4(sc, HE_REGO_SUNI + 4 * (reg + i)); 1588 1589 return (0); 1590} 1591 1592/* 1593 * change the bits given by mask to them in val in register reg 1594 */ 1595static int 1596hatm_utopia_writereg(struct ifatm *ifatm, u_int reg, u_int mask, u_int val) 1597{ 1598 uint32_t regval; 1599 struct hatm_softc *sc = ifatm->ifp->if_softc; 1600 1601 if (reg >= (HE_REGO_SUNI_END - HE_REGO_SUNI) / 4) 1602 return (EINVAL); 1603 1604 mtx_assert(&sc->mtx, MA_OWNED); 1605 regval = READ4(sc, HE_REGO_SUNI + 4 * reg); 1606 regval = (regval & ~mask) | (val & mask); 1607 WRITE4(sc, HE_REGO_SUNI + 4 * reg, regval); 1608 1609 return (0); 1610} 1611 1612static struct utopia_methods hatm_utopia_methods = { 1613 hatm_utopia_readregs, 1614 hatm_utopia_writereg, 1615}; 1616 1617/* 1618 * Detach - if it is running, stop. Destroy. 1619 */ 1620static int 1621hatm_detach(device_t dev) 1622{ 1623 struct hatm_softc *sc = device_get_softc(dev); 1624 1625 mtx_lock(&sc->mtx); 1626 hatm_stop(sc); 1627 if (sc->utopia.state & UTP_ST_ATTACHED) { 1628 utopia_stop(&sc->utopia); 1629 utopia_detach(&sc->utopia); 1630 } 1631 mtx_unlock(&sc->mtx); 1632 1633 atm_ifdetach(sc->ifp); 1634 if_free(sc->ifp); 1635 1636 hatm_destroy(sc); 1637 1638 return (0); 1639} 1640 1641/* 1642 * Attach to the device. Assume that no locking is needed here. 1643 * All resource we allocate here are freed by calling hatm_destroy. 1644 */ 1645static int 1646hatm_attach(device_t dev) 1647{ 1648 struct hatm_softc *sc; 1649 int error; 1650 uint32_t v; 1651 struct ifnet *ifp; 1652 1653 sc = device_get_softc(dev); 1654 1655 ifp = sc->ifp = if_alloc(IFT_ATM); 1656 if (ifp == NULL) { 1657 device_printf(dev, "could not if_alloc()\n"); 1658 error = ENOSPC; 1659 goto failed; 1660 } 1661 1662 sc->dev = dev; 1663 IFP2IFATM(sc->ifp)->mib.device = ATM_DEVICE_HE155; 1664 IFP2IFATM(sc->ifp)->mib.serial = 0; 1665 IFP2IFATM(sc->ifp)->mib.hw_version = 0; 1666 IFP2IFATM(sc->ifp)->mib.sw_version = 0; 1667 IFP2IFATM(sc->ifp)->mib.vpi_bits = HE_CONFIG_VPI_BITS; 1668 IFP2IFATM(sc->ifp)->mib.vci_bits = HE_CONFIG_VCI_BITS; 1669 IFP2IFATM(sc->ifp)->mib.max_vpcs = 0; 1670 IFP2IFATM(sc->ifp)->mib.max_vccs = HE_MAX_VCCS; 1671 IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_UNKNOWN; 1672 sc->he622 = 0; 1673 IFP2IFATM(sc->ifp)->phy = &sc->utopia; 1674 1675 SLIST_INIT(&sc->tpd_free); 1676 1677 mtx_init(&sc->mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF); 1678 cv_init(&sc->vcc_cv, "HEVCCcv"); 1679 cv_init(&sc->cv_rcclose, "RCClose"); 1680 1681 sysctl_ctx_init(&sc->sysctl_ctx); 1682 1683 /* 1684 * 4.2 BIOS Configuration 1685 */ 1686 v = pci_read_config(dev, PCIR_COMMAND, 2); 1687 v |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN; 1688 pci_write_config(dev, PCIR_COMMAND, v, 2); 1689 1690 /* 1691 * 4.3 PCI Bus Controller-Specific Initialisation 1692 */ 1693 v = pci_read_config(dev, HE_PCIR_GEN_CNTL_0, 4); 1694 v |= HE_PCIM_CTL0_MRL | HE_PCIM_CTL0_MRM | HE_PCIM_CTL0_IGNORE_TIMEOUT; 1695#if BYTE_ORDER == BIG_ENDIAN && 0 1696 v |= HE_PCIM_CTL0_BIGENDIAN; 1697#endif 1698 pci_write_config(dev, HE_PCIR_GEN_CNTL_0, v, 4); 1699 1700 /* 1701 * Map memory 1702 */ 1703 v = pci_read_config(dev, PCIR_COMMAND, 2); 1704 if (!(v & PCIM_CMD_MEMEN)) { 1705 device_printf(dev, "failed to enable memory\n"); 1706 error = ENXIO; 1707 goto failed; 1708 } 1709 sc->memid = PCIR_BAR(0); 1710 sc->memres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->memid, 1711 RF_ACTIVE); 1712 if (sc->memres == NULL) { 1713 device_printf(dev, "could not map memory\n"); 1714 error = ENXIO; 1715 goto failed; 1716 } 1717 sc->memh = rman_get_bushandle(sc->memres); 1718 sc->memt = rman_get_bustag(sc->memres); 1719 1720 /* 1721 * ALlocate a DMA tag for subsequent allocations 1722 */ 1723 if (bus_dma_tag_create(NULL, 1, 0, 1724 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, 1725 NULL, NULL, 1726 BUS_SPACE_MAXSIZE_32BIT, 1, 1727 BUS_SPACE_MAXSIZE_32BIT, 0, 1728 NULL, NULL, &sc->parent_tag)) { 1729 device_printf(dev, "could not allocate DMA tag\n"); 1730 error = ENOMEM; 1731 goto failed; 1732 } 1733 1734 if (bus_dma_tag_create(sc->parent_tag, 1, 0, 1735 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, 1736 NULL, NULL, 1737 MBUF_ALLOC_SIZE, 1, 1738 MBUF_ALLOC_SIZE, 0, 1739 NULL, NULL, &sc->mbuf_tag)) { 1740 device_printf(dev, "could not allocate mbuf DMA tag\n"); 1741 error = ENOMEM; 1742 goto failed; 1743 } 1744 1745 /* 1746 * Allocate a DMA tag for packets to send. Here we have a problem with 1747 * the specification of the maximum number of segments. Theoretically 1748 * this would be the size of the transmit ring - 1 multiplied by 3, 1749 * but this would not work. So make the maximum number of TPDs 1750 * occupied by one packet a configuration parameter. 1751 */ 1752 if (bus_dma_tag_create(NULL, 1, 0, 1753 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1754 HE_MAX_PDU, 3 * HE_CONFIG_MAX_TPD_PER_PACKET, HE_MAX_PDU, 0, 1755 NULL, NULL, &sc->tx_tag)) { 1756 device_printf(dev, "could not allocate TX tag\n"); 1757 error = ENOMEM; 1758 goto failed; 1759 } 1760 1761 /* 1762 * Setup the interrupt 1763 */ 1764 sc->irqid = 0; 1765 sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid, 1766 RF_SHAREABLE | RF_ACTIVE); 1767 if (sc->irqres == 0) { 1768 device_printf(dev, "could not allocate irq\n"); 1769 error = ENXIO; 1770 goto failed; 1771 } 1772 1773 ifp->if_softc = sc; 1774 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 1775 1776 /* 1777 * Make the sysctl tree 1778 */ 1779 error = ENOMEM; 1780 if ((sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx, 1781 SYSCTL_STATIC_CHILDREN(_hw_atm), OID_AUTO, 1782 device_get_nameunit(dev), CTLFLAG_RD, 0, "")) == NULL) 1783 goto failed; 1784 1785 if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), 1786 OID_AUTO, "istats", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, CTL_ISTATS, 1787 hatm_sysctl, "LU", "internal statistics") == NULL) 1788 goto failed; 1789 1790#ifdef HATM_DEBUG 1791 if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), 1792 OID_AUTO, "tsr", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0, 1793 hatm_sysctl_tsr, "S", "transmission status registers") == NULL) 1794 goto failed; 1795 1796 if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), 1797 OID_AUTO, "tpd", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0, 1798 hatm_sysctl_tpd, "S", "transmission packet descriptors") == NULL) 1799 goto failed; 1800 1801 if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), 1802 OID_AUTO, "mbox", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0, 1803 hatm_sysctl_mbox, "S", "mbox registers") == NULL) 1804 goto failed; 1805 1806 if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), 1807 OID_AUTO, "cm", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0, 1808 hatm_sysctl_cm, "S", "connection memory") == NULL) 1809 goto failed; 1810 1811 if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), 1812 OID_AUTO, "heregs", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0, 1813 hatm_sysctl_heregs, "S", "card registers") == NULL) 1814 goto failed; 1815 1816 if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), 1817 OID_AUTO, "lbmem", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0, 1818 hatm_sysctl_lbmem, "S", "local memory") == NULL) 1819 goto failed; 1820 1821 kenv_getuint(sc, "debug", &sc->debug, HATM_DEBUG, 1); 1822#endif 1823 1824 /* 1825 * Configure 1826 */ 1827 if ((error = hatm_configure(sc)) != 0) 1828 goto failed; 1829 1830 /* 1831 * Compute memory parameters 1832 */ 1833 if (sc->rbp_s0.size != 0) { 1834 sc->rbp_s0.mask = (sc->rbp_s0.size - 1) << 3; 1835 sc->rbp_s0.mem.size = sc->rbp_s0.size * 8; 1836 sc->rbp_s0.mem.align = sc->rbp_s0.mem.size; 1837 } 1838 if (sc->rbp_l0.size != 0) { 1839 sc->rbp_l0.mask = (sc->rbp_l0.size - 1) << 3; 1840 sc->rbp_l0.mem.size = sc->rbp_l0.size * 8; 1841 sc->rbp_l0.mem.align = sc->rbp_l0.mem.size; 1842 } 1843 if (sc->rbp_s1.size != 0) { 1844 sc->rbp_s1.mask = (sc->rbp_s1.size - 1) << 3; 1845 sc->rbp_s1.mem.size = sc->rbp_s1.size * 8; 1846 sc->rbp_s1.mem.align = sc->rbp_s1.mem.size; 1847 } 1848 if (sc->rbrq_0.size != 0) { 1849 sc->rbrq_0.mem.size = sc->rbrq_0.size * 8; 1850 sc->rbrq_0.mem.align = sc->rbrq_0.mem.size; 1851 } 1852 if (sc->rbrq_1.size != 0) { 1853 sc->rbrq_1.mem.size = sc->rbrq_1.size * 8; 1854 sc->rbrq_1.mem.align = sc->rbrq_1.mem.size; 1855 } 1856 1857 sc->irq_0.mem.size = sc->irq_0.size * sizeof(uint32_t); 1858 sc->irq_0.mem.align = 4 * 1024; 1859 1860 sc->tbrq.mem.size = sc->tbrq.size * 4; 1861 sc->tbrq.mem.align = 2 * sc->tbrq.mem.size; /* ZZZ */ 1862 1863 sc->tpdrq.mem.size = sc->tpdrq.size * 8; 1864 sc->tpdrq.mem.align = sc->tpdrq.mem.size; 1865 1866 sc->hsp_mem.size = sizeof(struct he_hsp); 1867 sc->hsp_mem.align = 1024; 1868 1869 sc->lbufs_size = sc->rbp_l0.size + sc->rbrq_0.size; 1870 sc->tpd_total = sc->tbrq.size + sc->tpdrq.size; 1871 sc->tpds.align = 64; 1872 sc->tpds.size = sc->tpd_total * HE_TPD_SIZE; 1873 1874 hatm_init_rmaps(sc); 1875 hatm_init_smbufs(sc); 1876 if ((error = hatm_init_tpds(sc)) != 0) 1877 goto failed; 1878 1879 /* 1880 * Allocate memory 1881 */ 1882 if ((error = hatm_alloc_dmamem(sc, "IRQ", &sc->irq_0.mem)) != 0 || 1883 (error = hatm_alloc_dmamem(sc, "TBRQ0", &sc->tbrq.mem)) != 0 || 1884 (error = hatm_alloc_dmamem(sc, "TPDRQ", &sc->tpdrq.mem)) != 0 || 1885 (error = hatm_alloc_dmamem(sc, "HSP", &sc->hsp_mem)) != 0) 1886 goto failed; 1887 1888 if (sc->rbp_s0.mem.size != 0 && 1889 (error = hatm_alloc_dmamem(sc, "RBPS0", &sc->rbp_s0.mem))) 1890 goto failed; 1891 if (sc->rbp_l0.mem.size != 0 && 1892 (error = hatm_alloc_dmamem(sc, "RBPL0", &sc->rbp_l0.mem))) 1893 goto failed; 1894 if (sc->rbp_s1.mem.size != 0 && 1895 (error = hatm_alloc_dmamem(sc, "RBPS1", &sc->rbp_s1.mem))) 1896 goto failed; 1897 1898 if (sc->rbrq_0.mem.size != 0 && 1899 (error = hatm_alloc_dmamem(sc, "RBRQ0", &sc->rbrq_0.mem))) 1900 goto failed; 1901 if (sc->rbrq_1.mem.size != 0 && 1902 (error = hatm_alloc_dmamem(sc, "RBRQ1", &sc->rbrq_1.mem))) 1903 goto failed; 1904 1905 if ((sc->vcc_zone = uma_zcreate("HE vccs", sizeof(struct hevcc), 1906 NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0)) == NULL) { 1907 device_printf(dev, "cannot allocate zone for vccs\n"); 1908 goto failed; 1909 } 1910 1911 /* 1912 * 4.4 Reset the card. 1913 */ 1914 if ((error = hatm_reset(sc)) != 0) 1915 goto failed; 1916 1917 /* 1918 * Read the prom. 1919 */ 1920 hatm_init_bus_width(sc); 1921 hatm_init_read_eeprom(sc); 1922 hatm_init_endianess(sc); 1923 1924 /* 1925 * Initialize interface 1926 */ 1927 ifp->if_flags = IFF_SIMPLEX; 1928 ifp->if_ioctl = hatm_ioctl; 1929 ifp->if_start = hatm_start; 1930 ifp->if_watchdog = NULL; 1931 ifp->if_init = hatm_init; 1932 1933 utopia_attach(&sc->utopia, IFP2IFATM(sc->ifp), &sc->media, &sc->mtx, 1934 &sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree), 1935 &hatm_utopia_methods); 1936 utopia_init_media(&sc->utopia); 1937 1938 /* these two SUNI routines need the lock */ 1939 mtx_lock(&sc->mtx); 1940 /* poll while we are not running */ 1941 sc->utopia.flags |= UTP_FL_POLL_CARRIER; 1942 utopia_start(&sc->utopia); 1943 utopia_reset(&sc->utopia); 1944 mtx_unlock(&sc->mtx); 1945 1946 atm_ifattach(ifp); 1947 1948#ifdef ENABLE_BPF 1949 bpfattach(ifp, DLT_ATM_RFC1483, sizeof(struct atmllc)); 1950#endif 1951 1952 error = bus_setup_intr(dev, sc->irqres, sc->mpsafe | INTR_TYPE_NET, 1953 hatm_intr, &sc->irq_0, &sc->ih); 1954 if (error != 0) { 1955 device_printf(dev, "could not setup interrupt\n"); 1956 hatm_detach(dev); 1957 return (error); 1958 } 1959 1960 return (0); 1961 1962 failed: 1963 hatm_destroy(sc); 1964 return (error); 1965} 1966 1967/* 1968 * Start the interface. Assume a state as from attach(). 1969 */ 1970void 1971hatm_initialize(struct hatm_softc *sc) 1972{ 1973 uint32_t v; 1974 u_int cid; 1975 static const u_int layout[2][7] = HE_CONFIG_MEM_LAYOUT; 1976 1977 if (sc->ifp->if_drv_flags & IFF_DRV_RUNNING) 1978 return; 1979 1980 hatm_init_bus_width(sc); 1981 hatm_init_endianess(sc); 1982 1983 if_printf(sc->ifp, "%s, Rev. %s, S/N %u, " 1984 "MAC=%02x:%02x:%02x:%02x:%02x:%02x (%ubit PCI)\n", 1985 sc->prod_id, sc->rev, IFP2IFATM(sc->ifp)->mib.serial, 1986 IFP2IFATM(sc->ifp)->mib.esi[0], IFP2IFATM(sc->ifp)->mib.esi[1], IFP2IFATM(sc->ifp)->mib.esi[2], 1987 IFP2IFATM(sc->ifp)->mib.esi[3], IFP2IFATM(sc->ifp)->mib.esi[4], IFP2IFATM(sc->ifp)->mib.esi[5], 1988 sc->pci64 ? 64 : 32); 1989 1990 /* 1991 * 4.8 SDRAM Controller Initialisation 1992 * 4.9 Initialize RNUM value 1993 */ 1994 if (sc->he622) 1995 WRITE4(sc, HE_REGO_SDRAM_CNTL, HE_REGM_SDRAM_64BIT); 1996 else 1997 WRITE4(sc, HE_REGO_SDRAM_CNTL, 0); 1998 BARRIER_W(sc); 1999 2000 v = READ4(sc, HE_REGO_LB_SWAP); 2001 BARRIER_R(sc); 2002 v |= 0xf << HE_REGS_LBSWAP_RNUM; 2003 WRITE4(sc, HE_REGO_LB_SWAP, v); 2004 BARRIER_W(sc); 2005 2006 hatm_init_irq(sc, &sc->irq_0, 0); 2007 hatm_clear_irq(sc, 1); 2008 hatm_clear_irq(sc, 2); 2009 hatm_clear_irq(sc, 3); 2010 2011 WRITE4(sc, HE_REGO_GRP_1_0_MAP, 0); 2012 WRITE4(sc, HE_REGO_GRP_3_2_MAP, 0); 2013 WRITE4(sc, HE_REGO_GRP_5_4_MAP, 0); 2014 WRITE4(sc, HE_REGO_GRP_7_6_MAP, 0); 2015 BARRIER_W(sc); 2016 2017 /* 2018 * 4.11 Enable PCI Bus Controller State Machine 2019 */ 2020 v = READ4(sc, HE_REGO_HOST_CNTL); 2021 BARRIER_R(sc); 2022 v |= HE_REGM_HOST_OUTFF_ENB | HE_REGM_HOST_CMDFF_ENB | 2023 HE_REGM_HOST_QUICK_RD | HE_REGM_HOST_QUICK_WR; 2024 WRITE4(sc, HE_REGO_HOST_CNTL, v); 2025 BARRIER_W(sc); 2026 2027 /* 2028 * 5.1.1 Generic configuration state 2029 */ 2030 sc->cells_per_row = layout[sc->he622][0]; 2031 sc->bytes_per_row = layout[sc->he622][1]; 2032 sc->r0_numrows = layout[sc->he622][2]; 2033 sc->tx_numrows = layout[sc->he622][3]; 2034 sc->r1_numrows = layout[sc->he622][4]; 2035 sc->r0_startrow = layout[sc->he622][5]; 2036 sc->tx_startrow = sc->r0_startrow + sc->r0_numrows; 2037 sc->r1_startrow = sc->tx_startrow + sc->tx_numrows; 2038 sc->cells_per_lbuf = layout[sc->he622][6]; 2039 2040 sc->r0_numbuffs = sc->r0_numrows * (sc->cells_per_row / 2041 sc->cells_per_lbuf); 2042 sc->r1_numbuffs = sc->r1_numrows * (sc->cells_per_row / 2043 sc->cells_per_lbuf); 2044 sc->tx_numbuffs = sc->tx_numrows * (sc->cells_per_row / 2045 sc->cells_per_lbuf); 2046 2047 if (sc->r0_numbuffs > 2560) 2048 sc->r0_numbuffs = 2560; 2049 if (sc->r1_numbuffs > 2560) 2050 sc->r1_numbuffs = 2560; 2051 if (sc->tx_numbuffs > 5120) 2052 sc->tx_numbuffs = 5120; 2053 2054 DBG(sc, ATTACH, ("cells_per_row=%u bytes_per_row=%u r0_numrows=%u " 2055 "tx_numrows=%u r1_numrows=%u r0_startrow=%u tx_startrow=%u " 2056 "r1_startrow=%u cells_per_lbuf=%u\nr0_numbuffs=%u r1_numbuffs=%u " 2057 "tx_numbuffs=%u\n", sc->cells_per_row, sc->bytes_per_row, 2058 sc->r0_numrows, sc->tx_numrows, sc->r1_numrows, sc->r0_startrow, 2059 sc->tx_startrow, sc->r1_startrow, sc->cells_per_lbuf, 2060 sc->r0_numbuffs, sc->r1_numbuffs, sc->tx_numbuffs)); 2061 2062 /* 2063 * 5.1.2 Configure Hardware dependend registers 2064 */ 2065 if (sc->he622) { 2066 WRITE4(sc, HE_REGO_LBARB, 2067 (0x2 << HE_REGS_LBARB_SLICE) | 2068 (0xf << HE_REGS_LBARB_RNUM) | 2069 (0x3 << HE_REGS_LBARB_THPRI) | 2070 (0x3 << HE_REGS_LBARB_RHPRI) | 2071 (0x2 << HE_REGS_LBARB_TLPRI) | 2072 (0x1 << HE_REGS_LBARB_RLPRI) | 2073 (0x28 << HE_REGS_LBARB_BUS_MULT) | 2074 (0x50 << HE_REGS_LBARB_NET_PREF)); 2075 BARRIER_W(sc); 2076 WRITE4(sc, HE_REGO_SDRAMCON, 2077 /* HW bug: don't use banking */ 2078 /* HE_REGM_SDRAMCON_BANK | */ 2079 HE_REGM_SDRAMCON_WIDE | 2080 (0x384 << HE_REGS_SDRAMCON_REF)); 2081 BARRIER_W(sc); 2082 WRITE4(sc, HE_REGO_RCMCONFIG, 2083 (0x1 << HE_REGS_RCMCONFIG_BANK_WAIT) | 2084 (0x1 << HE_REGS_RCMCONFIG_RW_WAIT) | 2085 (0x0 << HE_REGS_RCMCONFIG_TYPE)); 2086 WRITE4(sc, HE_REGO_TCMCONFIG, 2087 (0x2 << HE_REGS_TCMCONFIG_BANK_WAIT) | 2088 (0x1 << HE_REGS_TCMCONFIG_RW_WAIT) | 2089 (0x0 << HE_REGS_TCMCONFIG_TYPE)); 2090 } else { 2091 WRITE4(sc, HE_REGO_LBARB, 2092 (0x2 << HE_REGS_LBARB_SLICE) | 2093 (0xf << HE_REGS_LBARB_RNUM) | 2094 (0x3 << HE_REGS_LBARB_THPRI) | 2095 (0x3 << HE_REGS_LBARB_RHPRI) | 2096 (0x2 << HE_REGS_LBARB_TLPRI) | 2097 (0x1 << HE_REGS_LBARB_RLPRI) | 2098 (0x46 << HE_REGS_LBARB_BUS_MULT) | 2099 (0x8C << HE_REGS_LBARB_NET_PREF)); 2100 BARRIER_W(sc); 2101 WRITE4(sc, HE_REGO_SDRAMCON, 2102 /* HW bug: don't use banking */ 2103 /* HE_REGM_SDRAMCON_BANK | */ 2104 (0x150 << HE_REGS_SDRAMCON_REF)); 2105 BARRIER_W(sc); 2106 WRITE4(sc, HE_REGO_RCMCONFIG, 2107 (0x0 << HE_REGS_RCMCONFIG_BANK_WAIT) | 2108 (0x1 << HE_REGS_RCMCONFIG_RW_WAIT) | 2109 (0x0 << HE_REGS_RCMCONFIG_TYPE)); 2110 WRITE4(sc, HE_REGO_TCMCONFIG, 2111 (0x1 << HE_REGS_TCMCONFIG_BANK_WAIT) | 2112 (0x1 << HE_REGS_TCMCONFIG_RW_WAIT) | 2113 (0x0 << HE_REGS_TCMCONFIG_TYPE)); 2114 } 2115 WRITE4(sc, HE_REGO_LBCONFIG, (sc->cells_per_lbuf * 48)); 2116 2117 WRITE4(sc, HE_REGO_RLBC_H, 0); 2118 WRITE4(sc, HE_REGO_RLBC_T, 0); 2119 WRITE4(sc, HE_REGO_RLBC_H2, 0); 2120 2121 WRITE4(sc, HE_REGO_RXTHRSH, 512); 2122 WRITE4(sc, HE_REGO_LITHRSH, 256); 2123 2124 WRITE4(sc, HE_REGO_RLBF0_C, sc->r0_numbuffs); 2125 WRITE4(sc, HE_REGO_RLBF1_C, sc->r1_numbuffs); 2126 2127 if (sc->he622) { 2128 WRITE4(sc, HE_REGO_RCCONFIG, 2129 (8 << HE_REGS_RCCONFIG_UTDELAY) | 2130 (IFP2IFATM(sc->ifp)->mib.vpi_bits << HE_REGS_RCCONFIG_VP) | 2131 (IFP2IFATM(sc->ifp)->mib.vci_bits << HE_REGS_RCCONFIG_VC)); 2132 WRITE4(sc, HE_REGO_TXCONFIG, 2133 (32 << HE_REGS_TXCONFIG_THRESH) | 2134 (IFP2IFATM(sc->ifp)->mib.vci_bits << HE_REGS_TXCONFIG_VCI_MASK) | 2135 (sc->tx_numbuffs << HE_REGS_TXCONFIG_LBFREE)); 2136 } else { 2137 WRITE4(sc, HE_REGO_RCCONFIG, 2138 (0 << HE_REGS_RCCONFIG_UTDELAY) | 2139 HE_REGM_RCCONFIG_UT_MODE | 2140 (IFP2IFATM(sc->ifp)->mib.vpi_bits << HE_REGS_RCCONFIG_VP) | 2141 (IFP2IFATM(sc->ifp)->mib.vci_bits << HE_REGS_RCCONFIG_VC)); 2142 WRITE4(sc, HE_REGO_TXCONFIG, 2143 (32 << HE_REGS_TXCONFIG_THRESH) | 2144 HE_REGM_TXCONFIG_UTMODE | 2145 (IFP2IFATM(sc->ifp)->mib.vci_bits << HE_REGS_TXCONFIG_VCI_MASK) | 2146 (sc->tx_numbuffs << HE_REGS_TXCONFIG_LBFREE)); 2147 } 2148 2149 WRITE4(sc, HE_REGO_TXAAL5_PROTO, 0); 2150 2151 if (sc->rbp_s1.size != 0) { 2152 WRITE4(sc, HE_REGO_RHCONFIG, 2153 HE_REGM_RHCONFIG_PHYENB | 2154 ((sc->he622 ? 0x41 : 0x31) << HE_REGS_RHCONFIG_PTMR_PRE) | 2155 (1 << HE_REGS_RHCONFIG_OAM_GID)); 2156 } else { 2157 WRITE4(sc, HE_REGO_RHCONFIG, 2158 HE_REGM_RHCONFIG_PHYENB | 2159 ((sc->he622 ? 0x41 : 0x31) << HE_REGS_RHCONFIG_PTMR_PRE) | 2160 (0 << HE_REGS_RHCONFIG_OAM_GID)); 2161 } 2162 BARRIER_W(sc); 2163 2164 hatm_init_cm(sc); 2165 2166 hatm_init_rx_buffer_pool(sc, 0, sc->r0_startrow, sc->r0_numbuffs); 2167 hatm_init_rx_buffer_pool(sc, 1, sc->r1_startrow, sc->r1_numbuffs); 2168 hatm_init_tx_buffer_pool(sc, sc->tx_startrow, sc->tx_numbuffs); 2169 2170 hatm_init_imed_queues(sc); 2171 2172 /* 2173 * 5.1.6 Application tunable Parameters 2174 */ 2175 WRITE4(sc, HE_REGO_MCC, 0); 2176 WRITE4(sc, HE_REGO_OEC, 0); 2177 WRITE4(sc, HE_REGO_DCC, 0); 2178 WRITE4(sc, HE_REGO_CEC, 0); 2179 2180 hatm_init_cs_block(sc); 2181 hatm_init_cs_block_cm(sc); 2182 2183 hatm_init_rpool(sc, &sc->rbp_s0, 0, 0); 2184 hatm_init_rpool(sc, &sc->rbp_l0, 0, 1); 2185 hatm_init_rpool(sc, &sc->rbp_s1, 1, 0); 2186 hatm_clear_rpool(sc, 1, 1); 2187 hatm_clear_rpool(sc, 2, 0); 2188 hatm_clear_rpool(sc, 2, 1); 2189 hatm_clear_rpool(sc, 3, 0); 2190 hatm_clear_rpool(sc, 3, 1); 2191 hatm_clear_rpool(sc, 4, 0); 2192 hatm_clear_rpool(sc, 4, 1); 2193 hatm_clear_rpool(sc, 5, 0); 2194 hatm_clear_rpool(sc, 5, 1); 2195 hatm_clear_rpool(sc, 6, 0); 2196 hatm_clear_rpool(sc, 6, 1); 2197 hatm_clear_rpool(sc, 7, 0); 2198 hatm_clear_rpool(sc, 7, 1); 2199 hatm_init_rbrq(sc, &sc->rbrq_0, 0); 2200 hatm_init_rbrq(sc, &sc->rbrq_1, 1); 2201 hatm_clear_rbrq(sc, 2); 2202 hatm_clear_rbrq(sc, 3); 2203 hatm_clear_rbrq(sc, 4); 2204 hatm_clear_rbrq(sc, 5); 2205 hatm_clear_rbrq(sc, 6); 2206 hatm_clear_rbrq(sc, 7); 2207 2208 sc->lbufs_next = 0; 2209 bzero(sc->lbufs, sizeof(sc->lbufs[0]) * sc->lbufs_size); 2210 2211 hatm_init_tbrq(sc, &sc->tbrq, 0); 2212 hatm_clear_tbrq(sc, 1); 2213 hatm_clear_tbrq(sc, 2); 2214 hatm_clear_tbrq(sc, 3); 2215 hatm_clear_tbrq(sc, 4); 2216 hatm_clear_tbrq(sc, 5); 2217 hatm_clear_tbrq(sc, 6); 2218 hatm_clear_tbrq(sc, 7); 2219 2220 hatm_init_tpdrq(sc); 2221 2222 WRITE4(sc, HE_REGO_UBUFF_BA, (sc->he622 ? 0x104780 : 0x800)); 2223 2224 /* 2225 * Initialize HSP 2226 */ 2227 bzero(sc->hsp_mem.base, sc->hsp_mem.size); 2228 sc->hsp = sc->hsp_mem.base; 2229 WRITE4(sc, HE_REGO_HSP_BA, sc->hsp_mem.paddr); 2230 2231 /* 2232 * 5.1.12 Enable transmit and receive 2233 * Enable bus master and interrupts 2234 */ 2235 v = READ_MBOX4(sc, HE_REGO_CS_ERCTL0); 2236 v |= 0x18000000; 2237 WRITE_MBOX4(sc, HE_REGO_CS_ERCTL0, v); 2238 2239 v = READ4(sc, HE_REGO_RCCONFIG); 2240 v |= HE_REGM_RCCONFIG_RXENB; 2241 WRITE4(sc, HE_REGO_RCCONFIG, v); 2242 2243 v = pci_read_config(sc->dev, HE_PCIR_GEN_CNTL_0, 4); 2244 v |= HE_PCIM_CTL0_INIT_ENB | HE_PCIM_CTL0_INT_PROC_ENB; 2245 pci_write_config(sc->dev, HE_PCIR_GEN_CNTL_0, v, 4); 2246 2247 sc->ifp->if_drv_flags |= IFF_DRV_RUNNING; 2248 sc->ifp->if_baudrate = 53 * 8 * IFP2IFATM(sc->ifp)->mib.pcr; 2249 2250 sc->utopia.flags &= ~UTP_FL_POLL_CARRIER; 2251 2252 /* reopen vccs */ 2253 for (cid = 0; cid < HE_MAX_VCCS; cid++) 2254 if (sc->vccs[cid] != NULL) 2255 hatm_load_vc(sc, cid, 1); 2256 2257 ATMEV_SEND_IFSTATE_CHANGED(IFP2IFATM(sc->ifp), 2258 sc->utopia.carrier == UTP_CARR_OK); 2259} 2260 2261/* 2262 * This functions stops the card and frees all resources allocated after 2263 * the attach. Must have the global lock. 2264 */ 2265void 2266hatm_stop(struct hatm_softc *sc) 2267{ 2268 uint32_t v; 2269 u_int i, p, cid; 2270 struct mbuf_chunk_hdr *ch; 2271 struct mbuf_page *pg; 2272 2273 mtx_assert(&sc->mtx, MA_OWNED); 2274 2275 if (!(sc->ifp->if_drv_flags & IFF_DRV_RUNNING)) 2276 return; 2277 sc->ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2278 2279 ATMEV_SEND_IFSTATE_CHANGED(IFP2IFATM(sc->ifp), 2280 sc->utopia.carrier == UTP_CARR_OK); 2281 2282 sc->utopia.flags |= UTP_FL_POLL_CARRIER; 2283 2284 /* 2285 * Stop and reset the hardware so that everything remains 2286 * stable. 2287 */ 2288 v = READ_MBOX4(sc, HE_REGO_CS_ERCTL0); 2289 v &= ~0x18000000; 2290 WRITE_MBOX4(sc, HE_REGO_CS_ERCTL0, v); 2291 2292 v = READ4(sc, HE_REGO_RCCONFIG); 2293 v &= ~HE_REGM_RCCONFIG_RXENB; 2294 WRITE4(sc, HE_REGO_RCCONFIG, v); 2295 2296 WRITE4(sc, HE_REGO_RHCONFIG, (0x2 << HE_REGS_RHCONFIG_PTMR_PRE)); 2297 BARRIER_W(sc); 2298 2299 v = READ4(sc, HE_REGO_HOST_CNTL); 2300 BARRIER_R(sc); 2301 v &= ~(HE_REGM_HOST_OUTFF_ENB | HE_REGM_HOST_CMDFF_ENB); 2302 WRITE4(sc, HE_REGO_HOST_CNTL, v); 2303 BARRIER_W(sc); 2304 2305 /* 2306 * Disable bust master and interrupts 2307 */ 2308 v = pci_read_config(sc->dev, HE_PCIR_GEN_CNTL_0, 4); 2309 v &= ~(HE_PCIM_CTL0_INIT_ENB | HE_PCIM_CTL0_INT_PROC_ENB); 2310 pci_write_config(sc->dev, HE_PCIR_GEN_CNTL_0, v, 4); 2311 2312 (void)hatm_reset(sc); 2313 2314 /* 2315 * Card resets the SUNI when resetted, so re-initialize it 2316 */ 2317 utopia_reset(&sc->utopia); 2318 2319 /* 2320 * Give any waiters on closing a VCC a chance. They will stop 2321 * to wait if they see that IFF_DRV_RUNNING disappeared. 2322 */ 2323 cv_broadcast(&sc->vcc_cv); 2324 cv_broadcast(&sc->cv_rcclose); 2325 2326 /* 2327 * Now free all resources. 2328 */ 2329 2330 /* 2331 * Free the large mbufs that are given to the card. 2332 */ 2333 for (i = 0 ; i < sc->lbufs_size; i++) { 2334 if (sc->lbufs[i] != NULL) { 2335 bus_dmamap_unload(sc->mbuf_tag, sc->rmaps[i]); 2336 m_freem(sc->lbufs[i]); 2337 sc->lbufs[i] = NULL; 2338 } 2339 } 2340 2341 /* 2342 * Free small buffers 2343 */ 2344 for (p = 0; p < sc->mbuf_npages; p++) { 2345 pg = sc->mbuf_pages[p]; 2346 for (i = 0; i < pg->hdr.nchunks; i++) { 2347 ch = (struct mbuf_chunk_hdr *) ((char *)pg + 2348 i * pg->hdr.chunksize + pg->hdr.hdroff); 2349 if (ch->flags & MBUF_CARD) { 2350 ch->flags &= ~MBUF_CARD; 2351 ch->flags |= MBUF_USED; 2352 hatm_ext_free(&sc->mbuf_list[pg->hdr.pool], 2353 (struct mbufx_free *)((u_char *)ch - 2354 pg->hdr.hdroff)); 2355 } 2356 } 2357 } 2358 2359 hatm_stop_tpds(sc); 2360 2361 /* 2362 * Free all partial reassembled PDUs on any VCC. 2363 */ 2364 for (cid = 0; cid < HE_MAX_VCCS; cid++) { 2365 if (sc->vccs[cid] != NULL) { 2366 if (sc->vccs[cid]->chain != NULL) { 2367 m_freem(sc->vccs[cid]->chain); 2368 sc->vccs[cid]->chain = NULL; 2369 sc->vccs[cid]->last = NULL; 2370 } 2371 if (!(sc->vccs[cid]->vflags & (HE_VCC_RX_OPEN | 2372 HE_VCC_TX_OPEN))) { 2373 hatm_tx_vcc_closed(sc, cid); 2374 uma_zfree(sc->vcc_zone, sc->vccs[cid]); 2375 sc->vccs[cid] = NULL; 2376 sc->open_vccs--; 2377 } else { 2378 sc->vccs[cid]->vflags = 0; 2379 sc->vccs[cid]->ntpds = 0; 2380 } 2381 } 2382 } 2383 2384 if (sc->rbp_s0.size != 0) 2385 bzero(sc->rbp_s0.mem.base, sc->rbp_s0.mem.size); 2386 if (sc->rbp_l0.size != 0) 2387 bzero(sc->rbp_l0.mem.base, sc->rbp_l0.mem.size); 2388 if (sc->rbp_s1.size != 0) 2389 bzero(sc->rbp_s1.mem.base, sc->rbp_s1.mem.size); 2390 if (sc->rbrq_0.size != 0) 2391 bzero(sc->rbrq_0.mem.base, sc->rbrq_0.mem.size); 2392 if (sc->rbrq_1.size != 0) 2393 bzero(sc->rbrq_1.mem.base, sc->rbrq_1.mem.size); 2394 2395 bzero(sc->tbrq.mem.base, sc->tbrq.mem.size); 2396 bzero(sc->tpdrq.mem.base, sc->tpdrq.mem.size); 2397 bzero(sc->hsp_mem.base, sc->hsp_mem.size); 2398} 2399 2400/************************************************************ 2401 * 2402 * Driver infrastructure 2403 */ 2404devclass_t hatm_devclass; 2405 2406static device_method_t hatm_methods[] = { 2407 DEVMETHOD(device_probe, hatm_probe), 2408 DEVMETHOD(device_attach, hatm_attach), 2409 DEVMETHOD(device_detach, hatm_detach), 2410 {0,0} 2411}; 2412static driver_t hatm_driver = { 2413 "hatm", 2414 hatm_methods, 2415 sizeof(struct hatm_softc), 2416}; 2417DRIVER_MODULE(hatm, pci, hatm_driver, hatm_devclass, NULL, 0); 2418