1 /* 2 * ---------------------------------------------------------------------------- 3 * "THE BEER-WARE LICENSE" (Revision 42): 4 * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 5 * can do whatever you want with this stuff. If we meet some day, and you think 6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7 * ---------------------------------------------------------------------------- 8 * 9 * $Id: if_mn.c,v 1.1 1999/02/01 13:06:40 phk Exp $ 10 * 11 * Driver for Siemens reference design card "Easy321-R1". 12 * 13 * This card contains a FALC54 E1/T1 framer and a MUNICH32X 32-channel HDLC 14 * controller. 15 * 16 * The driver supports E1 mode with up to 31 channels. We send CRC4 but don't 17 * check it coming in. 18 * 19 * The FALC54 and MUNICH32X have far too many registers and weird modes for 20 * comfort, so I have not bothered typing it all into a "fooreg.h" file, 21 * you will (badly!) need the documentation anyway if you want to mess with 22 * this gadget. 23 * 24 * $FreeBSD: src/sys/pci/if_mn.c,v 1.11.2.3 2001/01/23 12:47:09 phk Exp $ 25 * $DragonFly: src/sys/dev/netif/mn/if_mn.c,v 1.18 2008/08/17 04:32:33 sephe Exp $ 26 */ 27 28 /* 29 * Stuff to describe the MUNIC32X and FALC54 chips. 30 */ 31 32 #define M32_CHAN 32 /* We have 32 channels */ 33 #define M32_TS 32 /* We have 32 timeslots */ 34 35 #define NG_MN_NODE_TYPE "mn" 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/sysctl.h> 41 #include <sys/bus.h> 42 #include <sys/mbuf.h> 43 #include <sys/malloc.h> 44 #include <sys/rman.h> 45 46 #include <bus/pci/pcireg.h> 47 #include <bus/pci/pcivar.h> 48 #include "pci_if.h" 49 50 #include <machine/clock.h> 51 52 #include <vm/vm.h> 53 #include <vm/pmap.h> 54 55 #include <netgraph/ng_message.h> 56 #include <netgraph/netgraph.h> 57 58 59 static int mn_maxlatency = 1000; 60 SYSCTL_INT(_debug, OID_AUTO, mn_maxlatency, CTLFLAG_RW, 61 &mn_maxlatency, 0, 62 "The number of milliseconds a packet is allowed to spend in the output queue. " 63 "If the output queue is longer than this number of milliseconds when the packet " 64 "arrives for output, the packet will be dropped." 65 ); 66 67 #ifndef NMN 68 /* Most machines don't support more than 4 busmaster PCI slots, if even that many */ 69 #define NMN 4 70 #endif 71 72 /* From: PEB 20321 data sheet, p187, table 22 */ 73 struct m32xreg { 74 u_int32_t conf, cmd, stat, imask; 75 u_int32_t fill10, piqba, piql, fill1c; 76 u_int32_t mode1, mode2, ccba, txpoll; 77 u_int32_t tiqba, tiql, riqba, riql; 78 u_int32_t lconf, lccba, fill48, ltran; 79 u_int32_t ltiqba, ltiql, lriqba, lriql; 80 u_int32_t lreg0, lreg1, lreg2, lreg3; 81 u_int32_t lreg4, lreg5, lre6, lstat; 82 u_int32_t gpdir, gpdata, gpod, fill8c; 83 u_int32_t ssccon, sscbr, ssctb, sscrb; 84 u_int32_t ssccse, sscim, fillab, fillac; 85 u_int32_t iomcon1, iomcon2, iomstat, fillbc; 86 u_int32_t iomcit0, iomcit1, iomcir0, iomcir1; 87 u_int32_t iomtmo, iomrmo, filld8, filldc; 88 u_int32_t mbcmd, mbdata1, mbdata2, mbdata3; 89 u_int32_t mbdata4, mbdata5, mbdata6, mbdata7; 90 }; 91 92 /* From: PEB 2254 data sheet, p80, table 10 */ 93 struct f54wreg { 94 u_int16_t xfifo; 95 u_int8_t cmdr, mode, rah1, rah2, ral1, ral2; 96 u_int8_t ipc, ccr1, ccr3, pre, rtr1, rtr2, rtr3, rtr4; 97 u_int8_t ttr1, ttr2, ttr3, ttr4, imr0, imr1, imr2, imr3; 98 u_int8_t imr4, fill19, fmr0, fmr1, fmr2, loop, xsw, xsp; 99 u_int8_t xc0, xc1, rc0, rc1, xpm0, xpm1, xpm2, tswm; 100 u_int8_t test1, idle, xsa4, xsa5, xsa6, xsa7, xsa8, fmr3; 101 u_int8_t icb1, icb2, icb3, icb4, lim0, lim1, pcd, pcr; 102 u_int8_t lim2, fill39[7]; 103 u_int8_t fill40[8]; 104 u_int8_t fill48[8]; 105 u_int8_t fill50[8]; 106 u_int8_t fill58[8]; 107 u_int8_t dec, fill61, test2, fill63[5]; 108 u_int8_t fill68[8]; 109 u_int8_t xs[16]; 110 }; 111 112 /* From: PEB 2254 data sheet, p117, table 10 */ 113 struct f54rreg { 114 u_int16_t rfifo; 115 u_int8_t fill2, mode, rah1, rah2, ral1, ral2; 116 u_int8_t ipc, ccr1, ccr3, pre, rtr1, rtr2, rtr3, rtr4; 117 u_int8_t ttr1, ttr2, ttr3, ttr4, imr0, imr1, imr2, imr3; 118 u_int8_t imr4, fill19, fmr0, fmr1, fmr2, loop, xsw, xsp; 119 u_int8_t xc0, xc1, rc0, rc1, xpm0, xpm1, xpm2, tswm; 120 u_int8_t test, idle, xsa4, xsa5, xsa6, xsa7, xsa8, fmr13; 121 u_int8_t icb1, icb2, icb3, icb4, lim0, lim1, pcd, pcr; 122 u_int8_t lim2, fill39[7]; 123 u_int8_t fill40[8]; 124 u_int8_t fill48[4], frs0, frs1, rsw, rsp; 125 u_int16_t fec, cvc, cec1, ebc; 126 u_int16_t cec2, cec3; 127 u_int8_t rsa4, rsa5, rsa6, rsa7; 128 u_int8_t rsa8, rsa6s, tsr0, tsr1, sis, rsis; 129 u_int16_t rbc; 130 u_int8_t isr0, isr1, isr2, isr3, fill6c, fill6d, gis, vstr; 131 u_int8_t rs[16]; 132 }; 133 134 /* Transmit & receive descriptors */ 135 struct trxd { 136 u_int32_t flags; 137 vm_offset_t next; 138 vm_offset_t data; 139 u_int32_t status; /* only used for receive */ 140 struct mbuf *m; /* software use only */ 141 struct trxd *vnext; /* software use only */ 142 }; 143 144 /* Channel specification */ 145 struct cspec { 146 u_int32_t flags; 147 vm_offset_t rdesc; 148 vm_offset_t tdesc; 149 u_int32_t itbs; 150 }; 151 152 struct m32_mem { 153 vm_offset_t csa; 154 u_int32_t ccb; 155 u_int32_t reserve1[2]; 156 u_int32_t ts[M32_TS]; 157 struct cspec cs[M32_CHAN]; 158 vm_offset_t crxd[M32_CHAN]; 159 vm_offset_t ctxd[M32_CHAN]; 160 }; 161 162 struct softc; 163 struct sockaddr; 164 struct rtentry; 165 166 static int mn_probe (device_t self); 167 static int mn_attach (device_t self); 168 static void mn_create_channel(struct softc *sc, int chan); 169 static int mn_reset(struct softc *sc); 170 static struct trxd * mn_alloc_desc(void); 171 static void mn_free_desc(struct trxd *dp); 172 static void mn_intr(void *xsc); 173 static u_int32_t mn_parse_ts(const char *s, int *nbit); 174 #ifdef notyet 175 static void m32_dump(struct softc *sc); 176 static void f54_dump(struct softc *sc); 177 static void mn_fmt_ts(char *p, u_int32_t ts); 178 #endif /* notyet */ 179 static void f54_init(struct softc *sc); 180 181 static ng_constructor_t ngmn_constructor; 182 static ng_rcvmsg_t ngmn_rcvmsg; 183 static ng_shutdown_t ngmn_shutdown; 184 static ng_newhook_t ngmn_newhook; 185 static ng_connect_t ngmn_connect; 186 static ng_rcvdata_t ngmn_rcvdata; 187 static ng_disconnect_t ngmn_disconnect; 188 189 static struct ng_type mntypestruct = { 190 NG_VERSION, 191 NG_MN_NODE_TYPE, 192 NULL, 193 ngmn_constructor, 194 ngmn_rcvmsg, 195 ngmn_shutdown, 196 ngmn_newhook, 197 NULL, 198 ngmn_connect, 199 ngmn_rcvdata, 200 ngmn_rcvdata, 201 ngmn_disconnect, 202 NULL 203 }; 204 205 static MALLOC_DEFINE(M_MN, "mn", "Mx driver related"); 206 207 #define NIQB 64 208 209 struct schan { 210 enum {DOWN, UP} state; 211 struct softc *sc; 212 int chan; 213 u_int32_t ts; 214 char name[8]; 215 struct trxd *r1, *rl; 216 struct trxd *x1, *xl; 217 hook_p hook; 218 219 time_t last_recv; 220 time_t last_rxerr; 221 time_t last_xmit; 222 223 u_long rx_error; 224 225 u_long short_error; 226 u_long crc_error; 227 u_long dribble_error; 228 u_long long_error; 229 u_long abort_error; 230 u_long overflow_error; 231 232 int last_error; 233 int prev_error; 234 235 u_long tx_pending; 236 u_long tx_limit; 237 }; 238 239 enum framing {WHOKNOWS, E1, E1U, T1, T1U}; 240 241 struct softc { 242 int unit; 243 device_t dev; 244 struct resource *irq; 245 void *intrhand; 246 enum framing framing; 247 int nhooks; 248 void *m0v, *m1v; 249 vm_offset_t m0p, m1p; 250 struct m32xreg *m32x; 251 struct f54wreg *f54w; 252 struct f54rreg *f54r; 253 struct m32_mem m32_mem; 254 u_int32_t tiqb[NIQB]; 255 u_int32_t riqb[NIQB]; 256 u_int32_t piqb[NIQB]; 257 u_int32_t ltiqb[NIQB]; 258 u_int32_t lriqb[NIQB]; 259 char name[8]; 260 u_int32_t falc_irq, falc_state, framer_state; 261 struct schan *ch[M32_CHAN]; 262 char nodename[NG_NODESIZ]; 263 node_p node; 264 265 u_long cnt_fec; 266 u_long cnt_cvc; 267 u_long cnt_cec1; 268 u_long cnt_ebc; 269 u_long cnt_cec2; 270 u_long cnt_cec3; 271 u_long cnt_rbc; 272 }; 273 274 static int 275 ngmn_constructor(node_p *nodep) 276 { 277 278 return (EINVAL); 279 } 280 281 static int 282 ngmn_shutdown(node_p nodep) 283 { 284 285 return (EINVAL); 286 } 287 288 static void 289 ngmn_config(node_p node, char *set, char *ret) 290 { 291 struct softc *sc; 292 enum framing wframing; 293 294 sc = node->private; 295 296 if (set != NULL) { 297 if (!strncmp(set, "line ", 5)) { 298 wframing = sc->framing; 299 if (!strcmp(set, "line e1")) { 300 wframing = E1; 301 } else if (!strcmp(set, "line e1u")) { 302 wframing = E1U; 303 } else { 304 strcat(ret, "ENOGROK\n"); 305 return; 306 } 307 if (wframing == sc->framing) 308 return; 309 if (sc->nhooks > 0) { 310 ksprintf(ret, "Cannot change line when %d hooks open\n", sc->nhooks); 311 return; 312 } 313 sc->framing = wframing; 314 #if 1 315 f54_init(sc); 316 #else 317 mn_reset(sc); 318 #endif 319 } else { 320 kprintf("%s CONFIG SET [%s]\n", sc->nodename, set); 321 strcat(ret, "ENOGROK\n"); 322 return; 323 } 324 } 325 326 } 327 328 static int 329 ngmn_rcvmsg(node_p node, struct ng_mesg *msg, const char *retaddr, struct ng_mesg **resp) 330 { 331 struct softc *sc; 332 struct schan *sch; 333 char *s, *r; 334 int pos, i; 335 336 sc = node->private; 337 338 if (msg->header.typecookie != NGM_GENERIC_COOKIE) { 339 if (resp != NULL) 340 *resp = NULL; 341 FREE(msg, M_NETGRAPH); 342 return (EINVAL); 343 } 344 345 if (msg->header.cmd != NGM_TEXT_CONFIG && 346 msg->header.cmd != NGM_TEXT_STATUS) { 347 if (resp != NULL) 348 *resp = NULL; 349 FREE(msg, M_NETGRAPH); 350 return (EINVAL); 351 } 352 353 NG_MKRESPONSE(*resp, msg, sizeof(struct ng_mesg) + NG_TEXTRESPONSE, 354 M_INTWAIT); 355 if (*resp == NULL) { 356 FREE(msg, M_NETGRAPH); 357 return (ENOMEM); 358 } 359 360 if (msg->header.arglen) 361 s = (char *)msg->data; 362 else 363 s = NULL; 364 r = (char *)(*resp)->data; 365 *r = '\0'; 366 367 if (msg->header.cmd == NGM_TEXT_CONFIG) { 368 ngmn_config(node, s, r); 369 (*resp)->header.arglen = strlen(r) + 1; 370 FREE(msg, M_NETGRAPH); 371 return (0); 372 } 373 374 pos = 0; 375 pos += ksprintf(pos + r,"Framer status %b;\n", sc->framer_state, "\20" 376 "\40LOS\37AIS\36LFA\35RRA" 377 "\34AUXP\33NMF\32LMFA\31frs0.0" 378 "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS" 379 "\24TS16LFA\23frs1.2\22XLS\21XLO" 380 "\20RS1\17rsw.6\16RRA\15RY0" 381 "\14RY1\13RY2\12RY3\11RY4" 382 "\10SI1\7SI2\6rsp.5\5rsp.4" 383 "\4rsp.3\3RSIF\2RS13\1RS15"); 384 pos += ksprintf(pos + r," Framing errors: %lu", sc->cnt_fec); 385 pos += ksprintf(pos + r," Code Violations: %lu\n", sc->cnt_cvc); 386 387 pos += ksprintf(pos + r," Falc State %b;\n", sc->falc_state, "\20" 388 "\40LOS\37AIS\36LFA\35RRA" 389 "\34AUXP\33NMF\32LMFA\31frs0.0" 390 "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS" 391 "\24TS16LFA\23frs1.2\22XLS\21XLO" 392 "\20RS1\17rsw.6\16RRA\15RY0" 393 "\14RY1\13RY2\12RY3\11RY4" 394 "\10SI1\7SI2\6rsp.5\5rsp.4" 395 "\4rsp.3\3RSIF\2RS13\1RS15"); 396 pos += ksprintf(pos + r, " Falc IRQ %b\n", sc->falc_irq, "\20" 397 "\40RME\37RFS\36T8MS\35RMB\34CASC\33CRC4\32SA6SC\31RPF" 398 "\30b27\27RDO\26ALLS\25XDU\24XMB\23b22\22XLSC\21XPR" 399 "\20FAR\17LFA\16MFAR\15T400MS\14AIS\13LOS\12RAR\11RA" 400 "\10ES\7SEC\6LMFA16\5AIS16\4RA16\3API\2SLN\1SLP"); 401 for (i = 0; i < M32_CHAN; i++) { 402 if (!sc->ch[i]) 403 continue; 404 sch = sc->ch[i]; 405 406 pos += ksprintf(r + pos, " Chan %d <%s> ", 407 i, sch->hook->name); 408 409 pos += ksprintf(r + pos, " Last Rx: "); 410 if (sch->last_recv) 411 pos += ksprintf(r + pos, "%lu s", time_second - sch->last_recv); 412 else 413 pos += ksprintf(r + pos, "never"); 414 415 pos += ksprintf(r + pos, ", last RxErr: "); 416 if (sch->last_rxerr) 417 pos += ksprintf(r + pos, "%lu s", time_second - sch->last_rxerr); 418 else 419 pos += ksprintf(r + pos, "never"); 420 421 pos += ksprintf(r + pos, ", last Tx: "); 422 if (sch->last_xmit) 423 pos += ksprintf(r + pos, "%lu s\n", time_second - sch->last_xmit); 424 else 425 pos += ksprintf(r + pos, "never\n"); 426 427 pos += ksprintf(r + pos, " RX error(s) %lu", sch->rx_error); 428 pos += ksprintf(r + pos, " Short: %lu", sch->short_error); 429 pos += ksprintf(r + pos, " CRC: %lu", sch->crc_error); 430 pos += ksprintf(r + pos, " Mod8: %lu", sch->dribble_error); 431 pos += ksprintf(r + pos, " Long: %lu", sch->long_error); 432 pos += ksprintf(r + pos, " Abort: %lu", sch->abort_error); 433 pos += ksprintf(r + pos, " Overflow: %lu\n", sch->overflow_error); 434 435 pos += ksprintf(r + pos, " Last error: %b Prev error: %b\n", 436 sch->last_error, "\20\7SHORT\5CRC\4MOD8\3LONG\2ABORT\1OVERRUN", 437 sch->prev_error, "\20\7SHORT\5CRC\4MOD8\3LONG\2ABORT\1OVERRUN"); 438 pos += ksprintf(r + pos, " Xmit bytes pending %ld\n", 439 sch->tx_pending); 440 } 441 (*resp)->header.arglen = pos + 1; 442 FREE(msg, M_NETGRAPH); 443 return (0); 444 } 445 446 static int 447 ngmn_newhook(node_p node, hook_p hook, const char *name) 448 { 449 u_int32_t ts, chan; 450 struct softc *sc; 451 int nbit; 452 453 sc = node->private; 454 455 if (name[0] != 't' || name[1] != 's') 456 return (EINVAL); 457 458 ts = mn_parse_ts(name + 2, &nbit); 459 kprintf("%d bits %x\n", nbit, ts); 460 if (sc->framing == E1 && (ts & 1)) 461 return (EINVAL); 462 if (sc->framing == E1U && nbit != 32) 463 return (EINVAL); 464 if (ts == 0) 465 return (EINVAL); 466 if (sc->framing == E1) 467 chan = ffs(ts) - 1; 468 else 469 chan = 1; 470 if (!sc->ch[chan]) 471 mn_create_channel(sc, chan); 472 else if (sc->ch[chan]->state == UP) 473 return (EBUSY); 474 sc->ch[chan]->ts = ts; 475 sc->ch[chan]->hook = hook; 476 sc->ch[chan]->tx_limit = nbit * 8; 477 hook->private = sc->ch[chan]; 478 sc->nhooks++; 479 return(0); 480 } 481 482 483 static struct trxd *mn_desc_free; 484 485 static struct trxd * 486 mn_alloc_desc(void) 487 { 488 struct trxd *dp; 489 490 dp = mn_desc_free; 491 if (dp) 492 mn_desc_free = dp->vnext; 493 else 494 dp = (struct trxd *)kmalloc(sizeof *dp, M_MN, M_INTWAIT); 495 return (dp); 496 } 497 498 static void 499 mn_free_desc(struct trxd *dp) 500 { 501 dp->vnext = mn_desc_free; 502 mn_desc_free = dp; 503 } 504 505 static u_int32_t 506 mn_parse_ts(const char *s, int *nbit) 507 { 508 unsigned r; 509 int i, j; 510 char *p; 511 512 r = 0; 513 j = -1; 514 *nbit = 0; 515 while(*s) { 516 i = strtol(s, &p, 0); 517 if (i < 0 || i > 31) 518 return (0); 519 while (j != -1 && j < i) { 520 r |= 1 << j++; 521 (*nbit)++; 522 } 523 j = -1; 524 r |= 1 << i; 525 (*nbit)++; 526 if (*p == ',') { 527 s = p + 1; 528 continue; 529 } else if (*p == '-') { 530 j = i + 1; 531 s = p + 1; 532 continue; 533 } else if (!*p) { 534 break; 535 } else { 536 return (0); 537 } 538 } 539 return (r); 540 } 541 542 #ifdef notyet 543 static void 544 mn_fmt_ts(char *p, u_int32_t ts) 545 { 546 char *s; 547 int j; 548 549 s = ""; 550 ts &= 0xffffffff; 551 for (j = 0; j < 32; j++) { 552 if (!(ts & (1 << j))) 553 continue; 554 ksprintf(p, "%s%d", s, j); 555 p += strlen(p); 556 s = ","; 557 if (!(ts & (1 << (j+1)))) 558 continue; 559 for (; j < 32; j++) 560 if (!(ts & (1 << (j+1)))) 561 break; 562 ksprintf(p, "-%d", j); 563 p += strlen(p); 564 s = ","; 565 } 566 } 567 #endif /* notyet */ 568 569 /* 570 * OUTPUT 571 */ 572 573 static int 574 ngmn_rcvdata(hook_p hook, struct mbuf *m, meta_p meta) 575 { 576 struct mbuf *m2; 577 struct trxd *dp, *dp2; 578 struct schan *sch; 579 struct softc *sc; 580 int chan, pitch, len; 581 582 sch = hook->private; 583 sc = sch->sc; 584 chan = sch->chan; 585 586 if (sch->state != UP) { 587 NG_FREE_DATA(m, meta); 588 return (0); 589 } 590 if (sch->tx_pending + m->m_pkthdr.len > sch->tx_limit * mn_maxlatency) { 591 NG_FREE_DATA(m, meta); 592 return (0); 593 } 594 NG_FREE_META(meta); 595 pitch = 0; 596 m2 = m; 597 dp2 = sc->ch[chan]->xl; 598 len = m->m_pkthdr.len; 599 while (len) { 600 dp = mn_alloc_desc(); 601 if (!dp) { 602 pitch++; 603 m_freem(m); 604 sc->ch[chan]->xl = dp2; 605 dp = dp2->vnext; 606 while (dp) { 607 dp2 = dp->vnext; 608 mn_free_desc(dp); 609 dp = dp2; 610 } 611 sc->ch[chan]->xl->vnext = 0; 612 break; 613 } 614 dp->data = vtophys(m2->m_data); 615 dp->flags = m2->m_len << 16; 616 dp->flags += 1; 617 len -= m2->m_len; 618 dp->next = vtophys(dp); 619 dp->vnext = 0; 620 sc->ch[chan]->xl->next = vtophys(dp); 621 sc->ch[chan]->xl->vnext = dp; 622 sc->ch[chan]->xl = dp; 623 if (!len) { 624 dp->m = m; 625 dp->flags |= 0xc0000000; 626 dp2->flags &= ~0x40000000; 627 } else { 628 dp->m = 0; 629 m2 = m2->m_next; 630 } 631 } 632 if (pitch) 633 kprintf("%s%d: Short on mem, pitched %d packets\n", 634 sc->name, chan, pitch); 635 else { 636 #if 0 637 kprintf("%d = %d + %d (%p)\n", 638 sch->tx_pending + m->m_pkthdr.len, 639 sch->tx_pending , m->m_pkthdr.len, m); 640 #endif 641 sch->tx_pending += m->m_pkthdr.len; 642 sc->m32x->txpoll &= ~(1 << chan); 643 } 644 return (0); 645 } 646 647 /* 648 * OPEN 649 */ 650 static int 651 ngmn_connect(hook_p hook) 652 { 653 int i, nts, chan; 654 struct trxd *dp, *dp2; 655 struct mbuf *m; 656 struct softc *sc; 657 struct schan *sch; 658 u_int32_t u; 659 660 sch = hook->private; 661 chan = sch->chan; 662 sc = sch->sc; 663 664 if (sch->state == UP) 665 return (0); 666 sch->state = UP; 667 668 /* Count and configure the timeslots for this channel */ 669 for (nts = i = 0; i < 32; i++) 670 if (sch->ts & (1 << i)) { 671 sc->m32_mem.ts[i] = 0x00ff00ff | 672 (chan << 24) | (chan << 8); 673 nts++; 674 } 675 676 /* Init the receiver & xmitter to HDLC */ 677 sc->m32_mem.cs[chan].flags = 0x80e90006; 678 /* Allocate two buffers per timeslot */ 679 if (nts == 32) 680 sc->m32_mem.cs[chan].itbs = 63; 681 else 682 sc->m32_mem.cs[chan].itbs = nts * 2; 683 684 /* Setup a transmit chain with one descriptor */ 685 /* XXX: we actually send a 1 byte packet */ 686 dp = mn_alloc_desc(); 687 MGETHDR(m, MB_WAIT, MT_DATA); 688 if (m == NULL) 689 return (ENOBUFS); 690 m->m_pkthdr.len = 0; 691 dp->m = m; 692 dp->flags = 0xc0000000 + (1 << 16); 693 dp->next = vtophys(dp); 694 dp->vnext = 0; 695 dp->data = vtophys(sc->name); 696 sc->m32_mem.cs[chan].tdesc = vtophys(dp); 697 sc->ch[chan]->x1 = dp; 698 sc->ch[chan]->xl = dp; 699 700 /* Setup a receive chain with 5 + NTS descriptors */ 701 702 dp = mn_alloc_desc(); 703 m = NULL; 704 MGETHDR(m, MB_WAIT, MT_DATA); 705 if (m == NULL) { 706 mn_free_desc(dp); 707 return (ENOBUFS); 708 } 709 MCLGET(m, MB_WAIT); 710 if ((m->m_flags & M_EXT) == 0) { 711 mn_free_desc(dp); 712 m_freem(m); 713 return (ENOBUFS); 714 } 715 dp->m = m; 716 dp->data = vtophys(m->m_data); 717 dp->flags = 0x40000000; 718 dp->flags += 1600 << 16; 719 dp->next = vtophys(dp); 720 dp->vnext = 0; 721 sc->ch[chan]->rl = dp; 722 723 for (i = 0; i < (nts + 10); i++) { 724 dp2 = dp; 725 dp = mn_alloc_desc(); 726 m = NULL; 727 MGETHDR(m, MB_WAIT, MT_DATA); 728 if (m == NULL) { 729 mn_free_desc(dp); 730 m_freem(m); 731 return (ENOBUFS); 732 } 733 MCLGET(m, MB_WAIT); 734 if ((m->m_flags & M_EXT) == 0) { 735 mn_free_desc(dp); 736 m_freem(m); 737 return (ENOBUFS); 738 } 739 dp->m = m; 740 dp->data = vtophys(m->m_data); 741 dp->flags = 0x00000000; 742 dp->flags += 1600 << 16; 743 dp->next = vtophys(dp2); 744 dp->vnext = dp2; 745 } 746 sc->m32_mem.cs[chan].rdesc = vtophys(dp); 747 sc->ch[chan]->r1 = dp; 748 749 /* Initialize this channel */ 750 sc->m32_mem.ccb = 0x00008000 + (chan << 8); 751 sc->m32x->cmd = 0x1; 752 DELAY(1000); 753 u = sc->m32x->stat; 754 if (!(u & 1)) 755 kprintf("%s: init chan %d stat %08x\n", sc->name, chan, u); 756 sc->m32x->stat = 1; 757 758 return (0); 759 } 760 761 /* 762 * CLOSE 763 */ 764 static int 765 ngmn_disconnect(hook_p hook) 766 { 767 int chan, i; 768 struct softc *sc; 769 struct schan *sch; 770 struct trxd *dp, *dp2; 771 u_int32_t u; 772 773 sch = hook->private; 774 chan = sch->chan; 775 sc = sch->sc; 776 777 if (sch->state == DOWN) 778 return (0); 779 sch->state = DOWN; 780 781 /* Set receiver & transmitter off */ 782 sc->m32_mem.cs[chan].flags = 0x80920006; 783 sc->m32_mem.cs[chan].itbs = 0; 784 785 /* free the timeslots */ 786 for (i = 0; i < 32; i++) 787 if (sc->ch[chan]->ts & (1 << i)) 788 sc->m32_mem.ts[i] = 0x20002000; 789 790 /* Initialize this channel */ 791 sc->m32_mem.ccb = 0x00008000 + (chan << 8); 792 sc->m32x->cmd = 0x1; 793 DELAY(30); 794 u = sc->m32x->stat; 795 if (!(u & 1)) 796 kprintf("%s: zap chan %d stat %08x\n", sc->name, chan, u); 797 sc->m32x->stat = 1; 798 799 /* Free all receive descriptors and mbufs */ 800 for (dp = sc->ch[chan]->r1; dp ; dp = dp2) { 801 if (dp->m) 802 m_freem(dp->m); 803 sc->ch[chan]->r1 = dp2 = dp->vnext; 804 mn_free_desc(dp); 805 } 806 807 /* Free all transmit descriptors and mbufs */ 808 for (dp = sc->ch[chan]->x1; dp ; dp = dp2) { 809 if (dp->m) { 810 sc->ch[chan]->tx_pending -= dp->m->m_pkthdr.len; 811 m_freem(dp->m); 812 } 813 sc->ch[chan]->x1 = dp2 = dp->vnext; 814 mn_free_desc(dp); 815 } 816 sc->nhooks--; 817 return(0); 818 } 819 820 /* 821 * Create a new channel. 822 */ 823 static void 824 mn_create_channel(struct softc *sc, int chan) 825 { 826 struct schan *sch; 827 828 sch = sc->ch[chan] = (struct schan *)kmalloc(sizeof *sc->ch[chan], 829 M_MN, M_WAITOK | M_ZERO); 830 sch->sc = sc; 831 sch->state = DOWN; 832 sch->chan = chan; 833 ksprintf(sch->name, "%s%d", sc->name, chan); 834 return; 835 } 836 837 #ifdef notyet 838 /* 839 * Dump Munich32x state 840 */ 841 static void 842 m32_dump(struct softc *sc) 843 { 844 u_int32_t *tp4; 845 int i, j; 846 847 kprintf("mn%d: MUNICH32X dump\n", sc->unit); 848 tp4 = (u_int32_t *)sc->m0v; 849 for(j = 0; j < 64; j += 8) { 850 kprintf("%02x", j * sizeof *tp4); 851 for(i = 0; i < 8; i++) 852 kprintf(" %08x", tp4[i+j]); 853 kprintf("\n"); 854 } 855 for(j = 0; j < M32_CHAN; j++) { 856 if (!sc->ch[j]) 857 continue; 858 kprintf("CH%d: state %d ts %08x", 859 j, sc->ch[j]->state, sc->ch[j]->ts); 860 kprintf(" %08x %08x %08x %08x %08x %08x\n", 861 sc->m32_mem.cs[j].flags, 862 sc->m32_mem.cs[j].rdesc, 863 sc->m32_mem.cs[j].tdesc, 864 sc->m32_mem.cs[j].itbs, 865 sc->m32_mem.crxd[j], 866 sc->m32_mem.ctxd[j] ); 867 } 868 } 869 870 /* 871 * Dump Falch54 state 872 */ 873 static void 874 f54_dump(struct softc *sc) 875 { 876 u_int8_t *tp1; 877 int i, j; 878 879 kprintf("%s: FALC54 dump\n", sc->name); 880 tp1 = (u_int8_t *)sc->m1v; 881 for(j = 0; j < 128; j += 16) { 882 kprintf("%s: %02x |", sc->name, j * sizeof *tp1); 883 for(i = 0; i < 16; i++) 884 kprintf(" %02x", tp1[i+j]); 885 kprintf("\n"); 886 } 887 } 888 #endif /* notyet */ 889 890 /* 891 * Init Munich32x 892 */ 893 static void 894 m32_init(struct softc *sc) 895 { 896 897 sc->m32x->conf = 0x00000000; 898 sc->m32x->mode1 = 0x81048000 + 1600; /* XXX: temp */ 899 #if 1 900 sc->m32x->mode2 = 0x00000081; 901 sc->m32x->txpoll = 0xffffffff; 902 #elif 1 903 sc->m32x->mode2 = 0x00000081; 904 sc->m32x->txpoll = 0xffffffff; 905 #else 906 sc->m32x->mode2 = 0x00000101; 907 #endif 908 sc->m32x->lconf = 0x6060009B; 909 sc->m32x->imask = 0x00000000; 910 } 911 912 /* 913 * Init the Falc54 914 */ 915 static void 916 f54_init(struct softc *sc) 917 { 918 sc->f54w->ipc = 0x07; 919 920 sc->f54w->xpm0 = 0xbd; 921 sc->f54w->xpm1 = 0x03; 922 sc->f54w->xpm2 = 0x00; 923 924 sc->f54w->imr0 = 0x18; /* RMB, CASC */ 925 sc->f54w->imr1 = 0x08; /* XMB */ 926 sc->f54w->imr2 = 0x00; 927 sc->f54w->imr3 = 0x38; /* LMFA16, AIS16, RA16 */ 928 sc->f54w->imr4 = 0x00; 929 930 sc->f54w->fmr0 = 0xf0; /* X: HDB3, R: HDB3 */ 931 sc->f54w->fmr1 = 0x0e; /* Send CRC4, 2Mbit, ECM */ 932 if (sc->framing == E1) 933 sc->f54w->fmr2 = 0x03; /* Auto Rem-Alarm, Auto resync */ 934 else if (sc->framing == E1U) 935 sc->f54w->fmr2 = 0x33; /* dais, rtm, Auto Rem-Alarm, Auto resync */ 936 937 sc->f54w->lim1 = 0xb0; /* XCLK=8kHz, .62V threshold */ 938 sc->f54w->pcd = 0x0a; 939 sc->f54w->pcr = 0x15; 940 sc->f54w->xsw = 0x9f; /* fmr4 */ 941 if (sc->framing == E1) 942 sc->f54w->xsp = 0x1c; /* fmr5 */ 943 else if (sc->framing == E1U) 944 sc->f54w->xsp = 0x3c; /* tt0, fmr5 */ 945 sc->f54w->xc0 = 0x07; 946 sc->f54w->xc1 = 0x3d; 947 sc->f54w->rc0 = 0x05; 948 sc->f54w->rc1 = 0x00; 949 sc->f54w->cmdr = 0x51; 950 } 951 952 static int 953 mn_reset(struct softc *sc) 954 { 955 u_int32_t u; 956 int i; 957 958 sc->m32x->ccba = vtophys(&sc->m32_mem.csa); 959 sc->m32_mem.csa = vtophys(&sc->m32_mem.ccb); 960 961 bzero(sc->tiqb, sizeof sc->tiqb); 962 sc->m32x->tiqba = vtophys(&sc->tiqb); 963 sc->m32x->tiql = NIQB / 16 - 1; 964 965 bzero(sc->riqb, sizeof sc->riqb); 966 sc->m32x->riqba = vtophys(&sc->riqb); 967 sc->m32x->riql = NIQB / 16 - 1; 968 969 bzero(sc->ltiqb, sizeof sc->ltiqb); 970 sc->m32x->ltiqba = vtophys(&sc->ltiqb); 971 sc->m32x->ltiql = NIQB / 16 - 1; 972 973 bzero(sc->lriqb, sizeof sc->lriqb); 974 sc->m32x->lriqba = vtophys(&sc->lriqb); 975 sc->m32x->lriql = NIQB / 16 - 1; 976 977 bzero(sc->piqb, sizeof sc->piqb); 978 sc->m32x->piqba = vtophys(&sc->piqb); 979 sc->m32x->piql = NIQB / 16 - 1; 980 981 m32_init(sc); 982 f54_init(sc); 983 984 u = sc->m32x->stat; 985 sc->m32x->stat = u; 986 sc->m32_mem.ccb = 0x4; 987 sc->m32x->cmd = 0x1; 988 DELAY(1000); 989 u = sc->m32x->stat; 990 sc->m32x->stat = u; 991 992 /* set all timeslots to known state */ 993 for (i = 0; i < 32; i++) 994 sc->m32_mem.ts[i] = 0x20002000; 995 996 if (!(u & 1)) { 997 kprintf( 998 "mn%d: WARNING: Controller failed the PCI bus-master test.\n" 999 "mn%d: WARNING: Use a PCI slot which can support bus-master cards.\n", 1000 sc->unit, sc->unit); 1001 return (0); 1002 } 1003 return (1); 1004 } 1005 1006 /* 1007 * FALC54 interrupt handling 1008 */ 1009 static void 1010 f54_intr(struct softc *sc) 1011 { 1012 unsigned g, u, s; 1013 1014 g = sc->f54r->gis; 1015 u = sc->f54r->isr0 << 24; 1016 u |= sc->f54r->isr1 << 16; 1017 u |= sc->f54r->isr2 << 8; 1018 u |= sc->f54r->isr3; 1019 sc->falc_irq = u; 1020 /* don't chat about the 1 sec heart beat */ 1021 if (u & ~0x40) { 1022 #if 0 1023 kprintf("%s*: FALC54 IRQ GIS:%02x %b\n", sc->name, g, u, "\20" 1024 "\40RME\37RFS\36T8MS\35RMB\34CASC\33CRC4\32SA6SC\31RPF" 1025 "\30b27\27RDO\26ALLS\25XDU\24XMB\23b22\22XLSC\21XPR" 1026 "\20FAR\17LFA\16MFAR\15T400MS\14AIS\13LOS\12RAR\11RA" 1027 "\10ES\7SEC\6LMFA16\5AIS16\4RA16\3API\2SLN\1SLP"); 1028 #endif 1029 s = sc->f54r->frs0 << 24; 1030 s |= sc->f54r->frs1 << 16; 1031 s |= sc->f54r->rsw << 8; 1032 s |= sc->f54r->rsp; 1033 sc->falc_state = s; 1034 1035 s &= ~0x01844038; /* undefined or static bits */ 1036 s &= ~0x00009fc7; /* bits we don't care about */ 1037 s &= ~0x00780000; /* XXX: TS16 related */ 1038 s &= ~0x06000000; /* XXX: Multiframe related */ 1039 #if 0 1040 kprintf("%s*: FALC54 Status %b\n", sc->name, s, "\20" 1041 "\40LOS\37AIS\36LFA\35RRA\34AUXP\33NMF\32LMFA\31frs0.0" 1042 "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS\24TS16LFA\23frs1.2\22XLS\21XLO" 1043 "\20RS1\17rsw.6\16RRA\15RY0\14RY1\13RY2\12RY3\11RY4" 1044 "\10SI1\7SI2\6rsp.5\5rsp.4\4rsp.3\3RSIF\2RS13\1RS15"); 1045 #endif 1046 if (s != sc->framer_state) { 1047 #if 0 1048 for (i = 0; i < M32_CHAN; i++) { 1049 if (!sc->ch[i]) 1050 continue; 1051 sp = &sc->ch[i]->ifsppp; 1052 if (!(sp->pp_if.if_flags & IFF_UP)) 1053 continue; 1054 if (s) 1055 timeout((timeout_t *)sp->pp_down, sp, 1 * hz); 1056 else 1057 timeout((timeout_t *)sp->pp_up, sp, 1 * hz); 1058 } 1059 #endif 1060 sc->framer_state = s; 1061 } 1062 } 1063 /* Once per second check error counters */ 1064 /* XXX: not clear if this is actually ok */ 1065 if (!(u & 0x40)) 1066 return; 1067 sc->cnt_fec += sc->f54r->fec; 1068 sc->cnt_cvc += sc->f54r->cvc; 1069 sc->cnt_cec1 += sc->f54r->cec1; 1070 sc->cnt_ebc += sc->f54r->ebc; 1071 sc->cnt_cec2 += sc->f54r->cec2; 1072 sc->cnt_cec3 += sc->f54r->cec3; 1073 sc->cnt_rbc += sc->f54r->rbc; 1074 } 1075 1076 /* 1077 * Transmit interrupt for one channel 1078 */ 1079 static void 1080 mn_tx_intr(struct softc *sc, u_int32_t vector) 1081 { 1082 u_int32_t chan; 1083 struct trxd *dp; 1084 struct mbuf *m; 1085 1086 chan = vector & 0x1f; 1087 if (!sc->ch[chan]) 1088 return; 1089 if (sc->ch[chan]->state != UP) { 1090 kprintf("%s: tx_intr when not UP\n", sc->name); 1091 return; 1092 } 1093 for (;;) { 1094 dp = sc->ch[chan]->x1; 1095 if (vtophys(dp) == sc->m32_mem.ctxd[chan]) 1096 return; 1097 m = dp->m; 1098 if (m) { 1099 #if 0 1100 kprintf("%d = %d - %d (%p)\n", 1101 sc->ch[chan]->tx_pending - m->m_pkthdr.len, 1102 sc->ch[chan]->tx_pending , m->m_pkthdr.len, m); 1103 #endif 1104 sc->ch[chan]->tx_pending -= m->m_pkthdr.len; 1105 m_freem(m); 1106 } 1107 sc->ch[chan]->last_xmit = time_second; 1108 sc->ch[chan]->x1 = dp->vnext; 1109 mn_free_desc(dp); 1110 } 1111 } 1112 1113 /* 1114 * Receive interrupt for one channel 1115 */ 1116 static void 1117 mn_rx_intr(struct softc *sc, u_int32_t vector) 1118 { 1119 u_int32_t chan, err; 1120 struct trxd *dp; 1121 struct mbuf *m; 1122 struct schan *sch; 1123 1124 chan = vector & 0x1f; 1125 if (!sc->ch[chan]) 1126 return; 1127 sch = sc->ch[chan]; 1128 if (sch->state != UP) { 1129 kprintf("%s: rx_intr when not UP\n", sc->name); 1130 return; 1131 } 1132 vector &= ~0x1f; 1133 if (vector == 0x30000b00) 1134 sch->rx_error++; 1135 for (;;) { 1136 dp = sch->r1; 1137 if (vtophys(dp) == sc->m32_mem.crxd[chan]) 1138 return; 1139 m = dp->m; 1140 dp->m = 0; 1141 m->m_pkthdr.len = m->m_len = (dp->status >> 16) & 0x1fff; 1142 err = (dp->status >> 8) & 0xff; 1143 if (!err) { 1144 ng_queue_data(sch->hook, m, NULL); 1145 sch->last_recv = time_second; 1146 m = 0; 1147 /* we could be down by now... */ 1148 if (sch->state != UP) 1149 return; 1150 } else if (err & 0x40) { 1151 sch->short_error++; 1152 } else if (err & 0x10) { 1153 sch->crc_error++; 1154 } else if (err & 0x08) { 1155 sch->dribble_error++; 1156 } else if (err & 0x04) { 1157 sch->long_error++; 1158 } else if (err & 0x02) { 1159 sch->abort_error++; 1160 } else if (err & 0x01) { 1161 sch->overflow_error++; 1162 } 1163 if (err) { 1164 sch->last_rxerr = time_second; 1165 sch->prev_error = sch->last_error; 1166 sch->last_error = err; 1167 } 1168 1169 sc->ch[chan]->r1 = dp->vnext; 1170 1171 /* Replenish desc + mbuf supplies */ 1172 if (!m) { 1173 MGETHDR(m, MB_DONTWAIT, MT_DATA); 1174 if (m == NULL) { 1175 mn_free_desc(dp); 1176 return; /* ENOBUFS */ 1177 } 1178 MCLGET(m, MB_DONTWAIT); 1179 if((m->m_flags & M_EXT) == 0) { 1180 mn_free_desc(dp); 1181 m_freem(m); 1182 return; /* ENOBUFS */ 1183 } 1184 } 1185 dp->m = m; 1186 dp->data = vtophys(m->m_data); 1187 dp->flags = 0x40000000; 1188 dp->flags += 1600 << 16; 1189 dp->next = vtophys(dp); 1190 dp->vnext = 0; 1191 sc->ch[chan]->rl->next = vtophys(dp); 1192 sc->ch[chan]->rl->vnext = dp; 1193 sc->ch[chan]->rl->flags &= ~0x40000000; 1194 sc->ch[chan]->rl = dp; 1195 } 1196 } 1197 1198 1199 /* 1200 * Interupt handler 1201 */ 1202 1203 static void 1204 mn_intr(void *xsc) 1205 { 1206 struct softc *sc; 1207 u_int32_t stat, lstat, u; 1208 int i, j; 1209 1210 sc = xsc; 1211 stat = sc->m32x->stat; 1212 lstat = sc->m32x->lstat; 1213 #if 0 1214 if (!stat && !(lstat & 2)) 1215 return; 1216 #endif 1217 1218 if (stat & ~0xc200) { 1219 kprintf("%s: I stat=%08x lstat=%08x\n", sc->name, stat, lstat); 1220 } 1221 1222 if ((stat & 0x200) || (lstat & 2)) 1223 f54_intr(sc); 1224 1225 for (j = i = 0; i < 64; i ++) { 1226 u = sc->riqb[i]; 1227 if (u) { 1228 sc->riqb[i] = 0; 1229 mn_rx_intr(sc, u); 1230 if ((u & ~0x1f) == 0x30000800 || (u & ~0x1f) == 0x30000b00) 1231 continue; 1232 u &= ~0x30000400; /* bits we don't care about */ 1233 if ((u & ~0x1f) == 0x00000900) 1234 continue; 1235 if (!(u & ~0x1f)) 1236 continue; 1237 if (!j) 1238 kprintf("%s*: RIQB:", sc->name); 1239 kprintf(" [%d]=%08x", i, u); 1240 j++; 1241 } 1242 } 1243 if (j) 1244 kprintf("\n"); 1245 1246 for (j = i = 0; i < 64; i ++) { 1247 u = sc->tiqb[i]; 1248 if (u) { 1249 sc->tiqb[i] = 0; 1250 mn_tx_intr(sc, u); 1251 if ((u & ~0x1f) == 0x20000800) 1252 continue; 1253 u &= ~0x20000000; /* bits we don't care about */ 1254 if (!u) 1255 continue; 1256 if (!j) 1257 kprintf("%s*: TIQB:", sc->name); 1258 kprintf(" [%d]=%08x", i, u); 1259 j++; 1260 } 1261 } 1262 if (j) 1263 kprintf("\n"); 1264 sc->m32x->stat = stat; 1265 } 1266 1267 /* 1268 * PCI initialization stuff 1269 */ 1270 1271 static int 1272 mn_probe (device_t self) 1273 { 1274 u_int id = pci_get_devid(self); 1275 1276 if (sizeof (struct m32xreg) != 256) { 1277 kprintf("MN: sizeof(struct m32xreg) = %d, should have been 256\n", sizeof (struct m32xreg)); 1278 return (ENXIO); 1279 } 1280 if (sizeof (struct f54rreg) != 128) { 1281 kprintf("MN: sizeof(struct f54rreg) = %d, should have been 128\n", sizeof (struct f54rreg)); 1282 return (ENXIO); 1283 } 1284 if (sizeof (struct f54wreg) != 128) { 1285 kprintf("MN: sizeof(struct f54wreg) = %d, should have been 128\n", sizeof (struct f54wreg)); 1286 return (ENXIO); 1287 } 1288 1289 if (id != 0x2101110a) 1290 return (ENXIO); 1291 1292 device_set_desc_copy(self, "Munich32X E1/T1 HDLC Controller"); 1293 return (0); 1294 } 1295 1296 static int 1297 mn_attach (device_t self) 1298 { 1299 struct softc *sc; 1300 u_int32_t u; 1301 u_int32_t ver; 1302 static int once; 1303 int rid, error; 1304 struct resource *res; 1305 1306 if (!once) { 1307 if (ng_newtype(&mntypestruct)) 1308 kprintf("ng_newtype failed\n"); 1309 once++; 1310 } 1311 1312 sc = (struct softc *)kmalloc(sizeof *sc, M_MN, M_WAITOK | M_ZERO); 1313 device_set_softc(self, sc); 1314 1315 sc->dev = self; 1316 sc->unit = device_get_unit(self); 1317 sc->framing = E1; 1318 ksprintf(sc->name, "mn%d", sc->unit); 1319 1320 rid = PCIR_MAPS; 1321 res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE); 1322 if (res == NULL) { 1323 device_printf(self, "Could not map memory\n"); 1324 return ENXIO; 1325 } 1326 sc->m0v = rman_get_virtual(res); 1327 sc->m0p = rman_get_start(res); 1328 1329 rid = PCIR_MAPS + 4; 1330 res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE); 1331 if (res == NULL) { 1332 device_printf(self, "Could not map memory\n"); 1333 return ENXIO; 1334 } 1335 sc->m1v = rman_get_virtual(res); 1336 sc->m1p = rman_get_start(res); 1337 1338 /* Allocate interrupt */ 1339 rid = 0; 1340 sc->irq = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, 1341 RF_SHAREABLE | RF_ACTIVE); 1342 1343 if (sc->irq == NULL) { 1344 kprintf("couldn't map interrupt\n"); 1345 return(ENXIO); 1346 } 1347 1348 error = bus_setup_intr(self, sc->irq, INTR_MPSAFE, mn_intr, sc, 1349 &sc->intrhand, NULL); 1350 1351 if (error) { 1352 kprintf("couldn't set up irq\n"); 1353 return(ENXIO); 1354 } 1355 1356 u = pci_read_config(self, PCIR_COMMAND, 1); 1357 kprintf("%x\n", u); 1358 pci_write_config(self, PCIR_COMMAND, u | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN, 1); 1359 #if 0 1360 pci_write_config(self, PCIR_COMMAND, 0x02800046, 4); 1361 #endif 1362 u = pci_read_config(self, PCIR_COMMAND, 1); 1363 kprintf("%x\n", u); 1364 1365 ver = pci_get_revid(self); 1366 1367 sc->m32x = (struct m32xreg *) sc->m0v; 1368 sc->f54w = (struct f54wreg *) sc->m1v; 1369 sc->f54r = (struct f54rreg *) sc->m1v; 1370 1371 /* We must reset before poking at FALC54 registers */ 1372 u = mn_reset(sc); 1373 if (!u) 1374 return (0); 1375 1376 kprintf("mn%d: Munich32X", sc->unit); 1377 switch (ver) { 1378 case 0x13: 1379 kprintf(" Rev 2.2"); 1380 break; 1381 default: 1382 kprintf(" Rev 0x%x\n", ver); 1383 } 1384 kprintf(", Falc54"); 1385 switch (sc->f54r->vstr) { 1386 case 0: 1387 kprintf(" Rev < 1.3\n"); 1388 break; 1389 case 1: 1390 kprintf(" Rev 1.3\n"); 1391 break; 1392 case 2: 1393 kprintf(" Rev 1.4\n"); 1394 break; 1395 case 0x10: 1396 kprintf("-LH Rev 1.1\n"); 1397 break; 1398 case 0x13: 1399 kprintf("-LH Rev 1.3\n"); 1400 break; 1401 default: 1402 kprintf(" Rev 0x%x\n", sc->f54r->vstr); 1403 } 1404 1405 if (ng_make_node_common(&mntypestruct, &sc->node) != 0) { 1406 kprintf("ng_make_node_common failed\n"); 1407 return (0); 1408 } 1409 sc->node->private = sc; 1410 ksprintf(sc->nodename, "%s%d", NG_MN_NODE_TYPE, sc->unit); 1411 if (ng_name_node(sc->node, sc->nodename)) { 1412 ng_rmnode(sc->node); 1413 ng_unref(sc->node); 1414 return (0); 1415 } 1416 1417 return (0); 1418 } 1419 1420 1421 static device_method_t mn_methods[] = { 1422 /* Device interface */ 1423 DEVMETHOD(device_probe, mn_probe), 1424 DEVMETHOD(device_attach, mn_attach), 1425 DEVMETHOD(device_suspend, bus_generic_suspend), 1426 DEVMETHOD(device_resume, bus_generic_resume), 1427 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1428 1429 {0, 0} 1430 }; 1431 1432 static driver_t mn_driver = { 1433 "mn", 1434 mn_methods, 1435 0 1436 }; 1437 1438 static devclass_t mn_devclass; 1439 1440 DECLARE_DUMMY_MODULE(if_mn); 1441 DRIVER_MODULE(if_mn, pci, mn_driver, mn_devclass, 0, 0); 1442 1443