ehci.c revision 1.8
1 /* $NetBSD: ehci.c,v 1.8 2001/11/16 23:52:10 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart (at) augustsson.net). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * USB Enhanced Host Controller Driver, a.k.a. USB 2.0 controller. 41 * 42 * The EHCI 0.96 spec can be found at 43 * http://developer.intel.com/technology/usb/download/ehci-r096.pdf 44 * and the USB 2.0 spec at 45 * http://www.usb.org/developers/data/usb_20.zip 46 * 47 */ 48 49 #include <sys/cdefs.h> 50 __KERNEL_RCSID(0, "$NetBSD: ehci.c,v 1.8 2001/11/16 23:52:10 augustss Exp $"); 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/kernel.h> 55 #include <sys/malloc.h> 56 #include <sys/device.h> 57 #include <sys/select.h> 58 #include <sys/proc.h> 59 #include <sys/queue.h> 60 61 #include <machine/bus.h> 62 #include <machine/endian.h> 63 64 #include <dev/usb/usb.h> 65 #include <dev/usb/usbdi.h> 66 #include <dev/usb/usbdivar.h> 67 #include <dev/usb/usb_mem.h> 68 #include <dev/usb/usb_quirks.h> 69 70 #include <dev/usb/ehcireg.h> 71 #include <dev/usb/ehcivar.h> 72 73 #ifdef EHCI_DEBUG 74 #define DPRINTF(x) if (ehcidebug) printf x 75 #define DPRINTFN(n,x) if (ehcidebug>(n)) printf x 76 int ehcidebug = 0; 77 #define bitmask_snprintf(q,f,b,l) snprintf((b), (l), "%b", (q), (f)) 78 #else 79 #define DPRINTF(x) 80 #define DPRINTFN(n,x) 81 #endif 82 83 struct ehci_pipe { 84 struct usbd_pipe pipe; 85 }; 86 87 Static void ehci_shutdown(void *); 88 Static void ehci_power(int, void *); 89 90 Static usbd_status ehci_open(usbd_pipe_handle); 91 Static void ehci_poll(struct usbd_bus *); 92 Static void ehci_softintr(void *); 93 94 Static usbd_status ehci_allocm(struct usbd_bus *, usb_dma_t *, u_int32_t); 95 Static void ehci_freem(struct usbd_bus *, usb_dma_t *); 96 97 Static usbd_xfer_handle ehci_allocx(struct usbd_bus *); 98 Static void ehci_freex(struct usbd_bus *, usbd_xfer_handle); 99 100 Static usbd_status ehci_root_ctrl_transfer(usbd_xfer_handle); 101 Static usbd_status ehci_root_ctrl_start(usbd_xfer_handle); 102 Static void ehci_root_ctrl_abort(usbd_xfer_handle); 103 Static void ehci_root_ctrl_close(usbd_pipe_handle); 104 Static void ehci_root_ctrl_done(usbd_xfer_handle); 105 106 Static usbd_status ehci_root_intr_transfer(usbd_xfer_handle); 107 Static usbd_status ehci_root_intr_start(usbd_xfer_handle); 108 Static void ehci_root_intr_abort(usbd_xfer_handle); 109 Static void ehci_root_intr_close(usbd_pipe_handle); 110 Static void ehci_root_intr_done(usbd_xfer_handle); 111 112 Static usbd_status ehci_device_ctrl_transfer(usbd_xfer_handle); 113 Static usbd_status ehci_device_ctrl_start(usbd_xfer_handle); 114 Static void ehci_device_ctrl_abort(usbd_xfer_handle); 115 Static void ehci_device_ctrl_close(usbd_pipe_handle); 116 Static void ehci_device_ctrl_done(usbd_xfer_handle); 117 118 Static usbd_status ehci_device_bulk_transfer(usbd_xfer_handle); 119 Static usbd_status ehci_device_bulk_start(usbd_xfer_handle); 120 Static void ehci_device_bulk_abort(usbd_xfer_handle); 121 Static void ehci_device_bulk_close(usbd_pipe_handle); 122 Static void ehci_device_bulk_done(usbd_xfer_handle); 123 124 Static usbd_status ehci_device_intr_transfer(usbd_xfer_handle); 125 Static usbd_status ehci_device_intr_start(usbd_xfer_handle); 126 Static void ehci_device_intr_abort(usbd_xfer_handle); 127 Static void ehci_device_intr_close(usbd_pipe_handle); 128 Static void ehci_device_intr_done(usbd_xfer_handle); 129 130 Static usbd_status ehci_device_isoc_transfer(usbd_xfer_handle); 131 Static usbd_status ehci_device_isoc_start(usbd_xfer_handle); 132 Static void ehci_device_isoc_abort(usbd_xfer_handle); 133 Static void ehci_device_isoc_close(usbd_pipe_handle); 134 Static void ehci_device_isoc_done(usbd_xfer_handle); 135 136 Static void ehci_device_clear_toggle(usbd_pipe_handle pipe); 137 Static void ehci_noop(usbd_pipe_handle pipe); 138 139 Static int ehci_str(usb_string_descriptor_t *, int, char *); 140 Static void ehci_pcd(ehci_softc_t *, usbd_xfer_handle); 141 Static void ehci_pcd_able(ehci_softc_t *, int); 142 Static void ehci_pcd_enable(void *); 143 Static void ehci_disown(ehci_softc_t *, int, int); 144 145 #ifdef EHCI_DEBUG 146 Static void ehci_dumpregs(ehci_softc_t *); 147 Static void ehci_dump(void); 148 Static ehci_softc_t *theehci; 149 #endif 150 151 #define EHCI_INTR_ENDPT 1 152 153 Static struct usbd_bus_methods ehci_bus_methods = { 154 ehci_open, 155 ehci_softintr, 156 ehci_poll, 157 ehci_allocm, 158 ehci_freem, 159 ehci_allocx, 160 ehci_freex, 161 }; 162 163 Static struct usbd_pipe_methods ehci_root_ctrl_methods = { 164 ehci_root_ctrl_transfer, 165 ehci_root_ctrl_start, 166 ehci_root_ctrl_abort, 167 ehci_root_ctrl_close, 168 ehci_noop, 169 ehci_root_ctrl_done, 170 }; 171 172 Static struct usbd_pipe_methods ehci_root_intr_methods = { 173 ehci_root_intr_transfer, 174 ehci_root_intr_start, 175 ehci_root_intr_abort, 176 ehci_root_intr_close, 177 ehci_noop, 178 ehci_root_intr_done, 179 }; 180 181 Static struct usbd_pipe_methods ehci_device_ctrl_methods = { 182 ehci_device_ctrl_transfer, 183 ehci_device_ctrl_start, 184 ehci_device_ctrl_abort, 185 ehci_device_ctrl_close, 186 ehci_noop, 187 ehci_device_ctrl_done, 188 }; 189 190 Static struct usbd_pipe_methods ehci_device_intr_methods = { 191 ehci_device_intr_transfer, 192 ehci_device_intr_start, 193 ehci_device_intr_abort, 194 ehci_device_intr_close, 195 ehci_device_clear_toggle, 196 ehci_device_intr_done, 197 }; 198 199 Static struct usbd_pipe_methods ehci_device_bulk_methods = { 200 ehci_device_bulk_transfer, 201 ehci_device_bulk_start, 202 ehci_device_bulk_abort, 203 ehci_device_bulk_close, 204 ehci_device_clear_toggle, 205 ehci_device_bulk_done, 206 }; 207 208 Static struct usbd_pipe_methods ehci_device_isoc_methods = { 209 ehci_device_isoc_transfer, 210 ehci_device_isoc_start, 211 ehci_device_isoc_abort, 212 ehci_device_isoc_close, 213 ehci_noop, 214 ehci_device_isoc_done, 215 }; 216 217 usbd_status 218 ehci_init(ehci_softc_t *sc) 219 { 220 u_int32_t version, sparams, cparams, hcr; 221 u_int i; 222 usbd_status err; 223 224 DPRINTF(("ehci_init: start\n")); 225 #ifdef EHCI_DEBUG 226 theehci = sc; 227 #endif 228 229 sc->sc_offs = EREAD1(sc, EHCI_CAPLENGTH); 230 231 version = EREAD2(sc, EHCI_HCIVERSION); 232 printf("%s: EHCI version %x.%x\n", USBDEVNAME(sc->sc_bus.bdev), 233 version >> 8, version & 0xff); 234 235 sparams = EREAD4(sc, EHCI_HCSPARAMS); 236 DPRINTF(("ehci_init: sparams=0x%x\n", sparams)); 237 sc->sc_npcomp = EHCI_HCS_N_PCC(sparams); 238 if (EHCI_HCS_N_CC(sparams) != sc->sc_ncomp) { 239 printf("%s: wrong number of companions (%d != %d)\n", 240 USBDEVNAME(sc->sc_bus.bdev), 241 EHCI_HCS_N_CC(sparams), sc->sc_ncomp); 242 return (USBD_IOERROR); 243 } 244 if (sc->sc_ncomp > 0) { 245 printf("%s: companion controller%s, %d port%s each:", 246 USBDEVNAME(sc->sc_bus.bdev), sc->sc_ncomp!=1 ? "s" : "", 247 EHCI_HCS_N_PCC(sparams), 248 EHCI_HCS_N_PCC(sparams)!=1 ? "s" : ""); 249 for (i = 0; i < sc->sc_ncomp; i++) 250 printf(" %s", USBDEVNAME(sc->sc_comps[i]->bdev)); 251 printf("\n"); 252 } 253 sc->sc_noport = EHCI_HCS_N_PORTS(sparams); 254 cparams = EREAD4(sc, EHCI_HCCPARAMS); 255 DPRINTF(("ehci_init: cparams=0x%x\n", cparams)); 256 257 sc->sc_bus.usbrev = USBREV_2_0; 258 259 /* Reset the controller */ 260 DPRINTF(("%s: resetting\n", USBDEVNAME(sc->sc_bus.bdev))); 261 EOWRITE4(sc, EHCI_USBCMD, 0); /* Halt controller */ 262 usb_delay_ms(&sc->sc_bus, 1); 263 EOWRITE4(sc, EHCI_USBCMD, EHCI_CMD_HCRESET); 264 for (i = 0; i < 100; i++) { 265 delay(10); 266 hcr = EOREAD4(sc, EHCI_USBCMD) & EHCI_CMD_HCRESET; 267 if (!hcr) 268 break; 269 } 270 if (hcr) { 271 printf("%s: reset timeout\n", USBDEVNAME(sc->sc_bus.bdev)); 272 return (USBD_IOERROR); 273 } 274 275 /* frame list size at default, read back what we got and use that */ 276 switch (EHCI_CMD_FLS(EOREAD4(sc, EHCI_USBCMD))) { 277 case 0: sc->sc_flsize = 1024*4; break; 278 case 1: sc->sc_flsize = 512*4; break; 279 case 2: sc->sc_flsize = 256*4; break; 280 case 3: return (USBD_IOERROR); 281 } 282 err = usb_allocmem(&sc->sc_bus, sc->sc_flsize, 283 EHCI_FLALIGN_ALIGN, &sc->sc_fldma); 284 if (err) 285 return (err); 286 DPRINTF(("%s: flsize=%d\n", USBDEVNAME(sc->sc_bus.bdev),sc->sc_flsize)); 287 288 usb_callout_init(sc->sc_tmo_pcd); 289 290 /* Set up the bus struct. */ 291 sc->sc_bus.methods = &ehci_bus_methods; 292 sc->sc_bus.pipe_size = sizeof(struct ehci_pipe); 293 294 sc->sc_powerhook = powerhook_establish(ehci_power, sc); 295 sc->sc_shutdownhook = shutdownhook_establish(ehci_shutdown, sc); 296 297 sc->sc_eintrs = EHCI_NORMAL_INTRS; 298 299 /* Enable interrupts */ 300 EOWRITE4(sc, EHCI_USBINTR, sc->sc_eintrs); 301 302 /* Turn on controller */ 303 EOWRITE4(sc, EHCI_USBCMD, 304 EHCI_CMD_ITC_8 | /* 8 microframes */ 305 (EOREAD4(sc, EHCI_USBCMD) & EHCI_CMD_FLS_M) | 306 /* EHCI_CMD_ASE | */ 307 /* EHCI_CMD_PSE | */ 308 EHCI_CMD_RS); 309 310 /* Take over port ownership */ 311 EOWRITE4(sc, EHCI_CONFIGFLAG, EHCI_CONF_CF); 312 313 for (i = 0; i < 100; i++) { 314 delay(10); 315 hcr = EOREAD4(sc, EHCI_USBSTS) & EHCI_STS_HCH; 316 if (!hcr) 317 break; 318 } 319 if (hcr) { 320 printf("%s: run timeout\n", USBDEVNAME(sc->sc_bus.bdev)); 321 return (USBD_IOERROR); 322 } 323 324 return (USBD_NORMAL_COMPLETION); 325 } 326 327 Static int ehci_intr1(ehci_softc_t *); 328 329 int 330 ehci_intr(void *v) 331 { 332 ehci_softc_t *sc = v; 333 334 /* If we get an interrupt while polling, then just ignore it. */ 335 if (sc->sc_bus.use_polling) { 336 #ifdef DIAGNOSTIC 337 printf("ehci_intr: ignored interrupt while polling\n"); 338 #endif 339 return (0); 340 } 341 342 return (ehci_intr1(sc)); 343 } 344 345 Static int 346 ehci_intr1(ehci_softc_t *sc) 347 { 348 u_int32_t intrs, eintrs; 349 350 DPRINTFN(20,("ehci_intr1: enter\n")); 351 352 /* In case the interrupt occurs before initialization has completed. */ 353 if (sc == NULL) { 354 #ifdef DIAGNOSTIC 355 printf("ehci_intr: sc == NULL\n"); 356 #endif 357 return (0); 358 } 359 360 intrs = EHCI_STS_INTRS(EOREAD4(sc, EHCI_USBSTS)); 361 362 if (!intrs) 363 return (0); 364 365 EOWRITE4(sc, EHCI_USBSTS, intrs); /* Acknowledge */ 366 eintrs = intrs & sc->sc_eintrs; 367 DPRINTFN(7, ("ehci_intr: sc=%p intrs=0x%x(0x%x) eintrs=0x%x\n", 368 sc, (u_int)intrs, EOREAD4(sc, EHCI_USBSTS), 369 (u_int)eintrs)); 370 if (!eintrs) 371 return (0); 372 373 sc->sc_bus.intr_context++; 374 sc->sc_bus.no_intrs++; 375 if (eintrs & EHCI_STS_INT) { 376 DPRINTF(("ehci_intr1: something is done\n")); 377 eintrs &= ~EHCI_STS_INT; 378 } 379 if (eintrs & EHCI_STS_ERRINT) { 380 DPRINTF(("ehci_intr1: some error\n")); 381 eintrs &= ~EHCI_STS_HSE; 382 } 383 if (eintrs & EHCI_STS_HSE) { 384 printf("%s: unrecoverable error, controller halted\n", 385 USBDEVNAME(sc->sc_bus.bdev)); 386 /* XXX what else */ 387 } 388 if (eintrs & EHCI_STS_PCD) { 389 ehci_pcd(sc, sc->sc_intrxfer); 390 /* 391 * Disable PCD interrupt for now, because it will be 392 * on until the port has been reset. 393 */ 394 ehci_pcd_able(sc, 0); 395 /* Do not allow RHSC interrupts > 1 per second */ 396 usb_callout(sc->sc_tmo_pcd, hz, ehci_pcd_enable, sc); 397 eintrs &= ~EHCI_STS_PCD; 398 } 399 400 sc->sc_bus.intr_context--; 401 402 if (eintrs != 0) { 403 /* Block unprocessed interrupts. */ 404 sc->sc_eintrs &= ~eintrs; 405 EOWRITE4(sc, EHCI_USBINTR, sc->sc_eintrs); 406 printf("%s: blocking intrs 0x%x\n", 407 USBDEVNAME(sc->sc_bus.bdev), eintrs); 408 } 409 410 return (1); 411 } 412 413 void 414 ehci_pcd_able(ehci_softc_t *sc, int on) 415 { 416 DPRINTFN(4, ("ehci_pcd_able: on=%d\n", on)); 417 if (on) 418 sc->sc_eintrs |= EHCI_STS_PCD; 419 else 420 sc->sc_eintrs &= ~EHCI_STS_PCD; 421 EOWRITE4(sc, EHCI_USBINTR, sc->sc_eintrs); 422 } 423 424 void 425 ehci_pcd_enable(void *v_sc) 426 { 427 ehci_softc_t *sc = v_sc; 428 429 ehci_pcd_able(sc, 1); 430 } 431 432 void 433 ehci_pcd(ehci_softc_t *sc, usbd_xfer_handle xfer) 434 { 435 usbd_pipe_handle pipe; 436 struct ehci_pipe *opipe; 437 u_char *p; 438 int i, m; 439 440 if (xfer == NULL) { 441 /* Just ignore the change. */ 442 return; 443 } 444 445 pipe = xfer->pipe; 446 opipe = (struct ehci_pipe *)pipe; 447 448 p = KERNADDR(&xfer->dmabuf); 449 m = min(sc->sc_noport, xfer->length * 8 - 1); 450 memset(p, 0, xfer->length); 451 for (i = 1; i <= m; i++) { 452 /* Pick out CHANGE bits from the status reg. */ 453 if (EOREAD4(sc, EHCI_PORTSC(i)) & EHCI_PS_CLEAR) 454 p[i/8] |= 1 << (i%8); 455 } 456 DPRINTF(("ehci_pcd: change=0x%02x\n", *p)); 457 xfer->actlen = xfer->length; 458 xfer->status = USBD_NORMAL_COMPLETION; 459 460 usb_transfer_complete(xfer); 461 } 462 463 void 464 ehci_softintr(void *v) 465 { 466 //ehci_softc_t *sc = v; 467 } 468 469 void 470 ehci_poll(struct usbd_bus *bus) 471 { 472 ehci_softc_t *sc = (ehci_softc_t *)bus; 473 #ifdef EHCI_DEBUG 474 static int last; 475 int new; 476 new = EHCI_STS_INTRS(EOREAD4(sc, EHCI_USBSTS)); 477 if (new != last) { 478 DPRINTFN(10,("ehci_poll: intrs=0x%04x\n", new)); 479 last = new; 480 } 481 #endif 482 483 if (EOREAD4(sc, EHCI_USBSTS) & sc->sc_eintrs) 484 ehci_intr1(sc); 485 } 486 487 int 488 ehci_detach(struct ehci_softc *sc, int flags) 489 { 490 int rv = 0; 491 492 if (sc->sc_child != NULL) 493 rv = config_detach(sc->sc_child, flags); 494 495 if (rv != 0) 496 return (rv); 497 498 usb_uncallout(sc->sc_tmo_pcd, ehci_pcd_enable, sc); 499 500 if (sc->sc_powerhook != NULL) 501 powerhook_disestablish(sc->sc_powerhook); 502 if (sc->sc_shutdownhook != NULL) 503 shutdownhook_disestablish(sc->sc_shutdownhook); 504 505 /* XXX free other data structures XXX */ 506 507 return (rv); 508 } 509 510 511 int 512 ehci_activate(device_ptr_t self, enum devact act) 513 { 514 struct ehci_softc *sc = (struct ehci_softc *)self; 515 int rv = 0; 516 517 switch (act) { 518 case DVACT_ACTIVATE: 519 return (EOPNOTSUPP); 520 break; 521 522 case DVACT_DEACTIVATE: 523 if (sc->sc_child != NULL) 524 rv = config_deactivate(sc->sc_child); 525 sc->sc_dying = 1; 526 break; 527 } 528 return (rv); 529 } 530 531 /* 532 * Handle suspend/resume. 533 * 534 * We need to switch to polling mode here, because this routine is 535 * called from an intterupt context. This is all right since we 536 * are almost suspended anyway. 537 */ 538 void 539 ehci_power(int why, void *v) 540 { 541 ehci_softc_t *sc = v; 542 //u_int32_t ctl; 543 int s; 544 545 #ifdef EHCI_DEBUG 546 DPRINTF(("ehci_power: sc=%p, why=%d\n", sc, why)); 547 ehci_dumpregs(sc); 548 #endif 549 550 s = splhardusb(); 551 switch (why) { 552 case PWR_SUSPEND: 553 case PWR_STANDBY: 554 sc->sc_bus.use_polling++; 555 #if 0 556 OOO 557 ctl = OREAD4(sc, EHCI_CONTROL) & ~EHCI_HCFS_MASK; 558 if (sc->sc_control == 0) { 559 /* 560 * Preserve register values, in case that APM BIOS 561 * does not recover them. 562 */ 563 sc->sc_control = ctl; 564 sc->sc_intre = OREAD4(sc, EHCI_INTERRUPT_ENABLE); 565 } 566 ctl |= EHCI_HCFS_SUSPEND; 567 OWRITE4(sc, EHCI_CONTROL, ctl); 568 #endif 569 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 570 sc->sc_bus.use_polling--; 571 break; 572 case PWR_RESUME: 573 sc->sc_bus.use_polling++; 574 #if 0 575 OOO 576 /* Some broken BIOSes do not recover these values */ 577 OWRITE4(sc, EHCI_HCCA, DMAADDR(&sc->sc_hccadma)); 578 OWRITE4(sc, EHCI_CONTROL_HEAD_ED, sc->sc_ctrl_head->physaddr); 579 OWRITE4(sc, EHCI_BULK_HEAD_ED, sc->sc_bulk_head->physaddr); 580 if (sc->sc_intre) 581 OWRITE4(sc, EHCI_INTERRUPT_ENABLE, 582 sc->sc_intre & (EHCI_ALL_INTRS | EHCI_MIE)); 583 if (sc->sc_control) 584 ctl = sc->sc_control; 585 else 586 ctl = OREAD4(sc, EHCI_CONTROL); 587 ctl |= EHCI_HCFS_RESUME; 588 OWRITE4(sc, EHCI_CONTROL, ctl); 589 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 590 ctl = (ctl & ~EHCI_HCFS_MASK) | EHCI_HCFS_OPERATIONAL; 591 OWRITE4(sc, EHCI_CONTROL, ctl); 592 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 593 sc->sc_control = sc->sc_intre = 0; 594 #endif 595 sc->sc_bus.use_polling--; 596 break; 597 case PWR_SOFTSUSPEND: 598 case PWR_SOFTSTANDBY: 599 case PWR_SOFTRESUME: 600 break; 601 } 602 splx(s); 603 } 604 605 /* 606 * Shut down the controller when the system is going down. 607 */ 608 void 609 ehci_shutdown(void *v) 610 { 611 ehci_softc_t *sc = v; 612 613 DPRINTF(("ehci_shutdown: stopping the HC\n")); 614 EOWRITE4(sc, EHCI_USBCMD, 0); /* Halt controller */ 615 EOWRITE4(sc, EHCI_USBCMD, EHCI_CMD_HCRESET); 616 } 617 618 usbd_status 619 ehci_allocm(struct usbd_bus *bus, usb_dma_t *dma, u_int32_t size) 620 { 621 struct ehci_softc *sc = (struct ehci_softc *)bus; 622 623 return (usb_allocmem(&sc->sc_bus, size, 0, dma)); 624 } 625 626 void 627 ehci_freem(struct usbd_bus *bus, usb_dma_t *dma) 628 { 629 struct ehci_softc *sc = (struct ehci_softc *)bus; 630 631 usb_freemem(&sc->sc_bus, dma); 632 } 633 634 usbd_xfer_handle 635 ehci_allocx(struct usbd_bus *bus) 636 { 637 struct ehci_softc *sc = (struct ehci_softc *)bus; 638 usbd_xfer_handle xfer; 639 640 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 641 if (xfer != NULL) 642 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 643 else 644 xfer = malloc(sizeof(*xfer), M_USB, M_NOWAIT); 645 if (xfer != NULL) 646 memset(xfer, 0, sizeof *xfer); 647 return (xfer); 648 } 649 650 void 651 ehci_freex(struct usbd_bus *bus, usbd_xfer_handle xfer) 652 { 653 struct ehci_softc *sc = (struct ehci_softc *)bus; 654 655 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); 656 } 657 658 Static void 659 ehci_device_clear_toggle(usbd_pipe_handle pipe) 660 { 661 #if 0 662 OOO 663 struct ehci_pipe *epipe = (struct ehci_pipe *)pipe; 664 665 epipe->sed->ed.ed_headp &= htole32(~EHCI_TOGGLECARRY); 666 #endif 667 } 668 669 Static void 670 ehci_noop(usbd_pipe_handle pipe) 671 { 672 } 673 674 #ifdef EHCI_DEBUG 675 void 676 ehci_dumpregs(ehci_softc_t *sc) 677 { 678 int i; 679 printf("cmd=0x%08x, sts=0x%08x, ien=0x%08x\n", 680 EOREAD4(sc, EHCI_USBCMD), 681 EOREAD4(sc, EHCI_USBSTS), 682 EOREAD4(sc, EHCI_USBINTR)); 683 for (i = 1; i <= sc->sc_noport; i++) 684 printf("port %d status=0x%08x\n", i, 685 EOREAD4(sc, EHCI_PORTSC(i))); 686 } 687 688 void 689 ehci_dump() 690 { 691 ehci_dumpregs(theehci); 692 } 693 #endif 694 695 usbd_status 696 ehci_open(usbd_pipe_handle pipe) 697 { 698 usbd_device_handle dev = pipe->device; 699 ehci_softc_t *sc = (ehci_softc_t *)dev->bus; 700 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 701 u_int8_t addr = dev->address; 702 #if 0 703 u_int8_t xfertype = ed->bmAttributes & UE_XFERTYPE; 704 struct ehci_pipe *epipe = (struct ehci_pipe *)pipe; 705 ehci_soft_ed_t *sed; 706 ehci_soft_td_t *std; 707 ehci_soft_itd_t *sitd; 708 ehci_physaddr_t tdphys; 709 u_int32_t fmt; 710 usbd_status err; 711 int s; 712 int ival; 713 #endif 714 715 DPRINTFN(1, ("ehci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 716 pipe, addr, ed->bEndpointAddress, sc->sc_addr)); 717 718 if (addr == sc->sc_addr) { 719 switch (ed->bEndpointAddress) { 720 case USB_CONTROL_ENDPOINT: 721 pipe->methods = &ehci_root_ctrl_methods; 722 break; 723 case UE_DIR_IN | EHCI_INTR_ENDPT: 724 pipe->methods = &ehci_root_intr_methods; 725 break; 726 default: 727 return (USBD_INVAL); 728 } 729 } else { 730 #if 0 731 std = NULL; 732 sed = NULL; 733 734 sed = ehci_alloc_sed(sc); 735 if (sed == NULL) 736 goto bad0; 737 epipe->sed = sed; 738 if (xfertype == UE_ISOCHRONOUS) { 739 sitd = ehci_alloc_sitd(sc); 740 if (sitd == NULL) { 741 ehci_free_sitd(sc, sitd); 742 goto bad1; 743 } 744 epipe->tail.itd = sitd; 745 tdphys = sitd->physaddr; 746 fmt = EHCI_ED_FORMAT_ISO; 747 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 748 fmt |= EHCI_ED_DIR_IN; 749 else 750 fmt |= EHCI_ED_DIR_OUT; 751 } else { 752 std = ehci_alloc_std(sc); 753 if (std == NULL) { 754 ehci_free_std(sc, std); 755 goto bad1; 756 } 757 epipe->tail.td = std; 758 tdphys = std->physaddr; 759 fmt = EHCI_ED_FORMAT_GEN | EHCI_ED_DIR_TD; 760 } 761 sed->ed.ed_flags = htole32( 762 EHCI_ED_SET_FA(addr) | 763 EHCI_ED_SET_EN(ed->bEndpointAddress) | 764 (dev->lowspeed ? EHCI_ED_SPEED : 0) | fmt | 765 EHCI_ED_SET_MAXP(UGETW(ed->wMaxPacketSize))); 766 sed->ed.ed_headp = sed->ed.ed_tailp = htole32(tdphys); 767 768 switch (xfertype) { 769 case UE_CONTROL: 770 pipe->methods = &ehci_device_ctrl_methods; 771 err = usb_allocmem(&sc->sc_bus, 772 sizeof(usb_device_request_t), 773 0, &epipe->u.ctl.reqdma); 774 if (err) 775 goto bad; 776 s = splusb(); 777 ehci_add_ed(sed, sc->sc_ctrl_head); 778 splx(s); 779 break; 780 case UE_INTERRUPT: 781 pipe->methods = &ehci_device_intr_methods; 782 ival = pipe->interval; 783 if (ival == USBD_DEFAULT_INTERVAL) 784 ival = ed->bInterval; 785 return (ehci_device_setintr(sc, epipe, ival)); 786 case UE_ISOCHRONOUS: 787 pipe->methods = &ehci_device_isoc_methods; 788 return (ehci_setup_isoc(pipe)); 789 case UE_BULK: 790 pipe->methods = &ehci_device_bulk_methods; 791 s = splusb(); 792 ehci_add_ed(sed, sc->sc_bulk_head); 793 splx(s); 794 break; 795 } 796 #else 797 return (USBD_IOERROR); 798 #endif 799 } 800 return (USBD_NORMAL_COMPLETION); 801 802 #if 0 803 bad: 804 if (std != NULL) 805 ehci_free_std(sc, std); 806 bad1: 807 if (sed != NULL) 808 ehci_free_sed(sc, sed); 809 bad0: 810 return (USBD_NOMEM); 811 #endif 812 } 813 814 /***********/ 815 816 /* 817 * Data structures and routines to emulate the root hub. 818 */ 819 Static usb_device_descriptor_t ehci_devd = { 820 USB_DEVICE_DESCRIPTOR_SIZE, 821 UDESC_DEVICE, /* type */ 822 {0x00, 0x02}, /* USB version */ 823 UDCLASS_HUB, /* class */ 824 UDSUBCLASS_HUB, /* subclass */ 825 0, /* protocol */ 826 64, /* max packet */ 827 {0},{0},{0x00,0x01}, /* device id */ 828 1,2,0, /* string indicies */ 829 1 /* # of configurations */ 830 }; 831 832 Static usb_config_descriptor_t ehci_confd = { 833 USB_CONFIG_DESCRIPTOR_SIZE, 834 UDESC_CONFIG, 835 {USB_CONFIG_DESCRIPTOR_SIZE + 836 USB_INTERFACE_DESCRIPTOR_SIZE + 837 USB_ENDPOINT_DESCRIPTOR_SIZE}, 838 1, 839 1, 840 0, 841 UC_SELF_POWERED, 842 0 /* max power */ 843 }; 844 845 Static usb_interface_descriptor_t ehci_ifcd = { 846 USB_INTERFACE_DESCRIPTOR_SIZE, 847 UDESC_INTERFACE, 848 0, 849 0, 850 1, 851 UICLASS_HUB, 852 UISUBCLASS_HUB, 853 0, 854 0 855 }; 856 857 Static usb_endpoint_descriptor_t ehci_endpd = { 858 USB_ENDPOINT_DESCRIPTOR_SIZE, 859 UDESC_ENDPOINT, 860 UE_DIR_IN | EHCI_INTR_ENDPT, 861 UE_INTERRUPT, 862 {8, 0}, /* max packet */ 863 255 864 }; 865 866 Static usb_hub_descriptor_t ehci_hubd = { 867 USB_HUB_DESCRIPTOR_SIZE, 868 UDESC_HUB, 869 0, 870 {0,0}, 871 0, 872 0, 873 {0}, 874 }; 875 876 Static int 877 ehci_str(p, l, s) 878 usb_string_descriptor_t *p; 879 int l; 880 char *s; 881 { 882 int i; 883 884 if (l == 0) 885 return (0); 886 p->bLength = 2 * strlen(s) + 2; 887 if (l == 1) 888 return (1); 889 p->bDescriptorType = UDESC_STRING; 890 l -= 2; 891 for (i = 0; s[i] && l > 1; i++, l -= 2) 892 USETW2(p->bString[i], 0, s[i]); 893 return (2*i+2); 894 } 895 896 /* 897 * Simulate a hardware hub by handling all the necessary requests. 898 */ 899 Static usbd_status 900 ehci_root_ctrl_transfer(usbd_xfer_handle xfer) 901 { 902 usbd_status err; 903 904 /* Insert last in queue. */ 905 err = usb_insert_transfer(xfer); 906 if (err) 907 return (err); 908 909 /* Pipe isn't running, start first */ 910 return (ehci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 911 } 912 913 Static usbd_status 914 ehci_root_ctrl_start(usbd_xfer_handle xfer) 915 { 916 ehci_softc_t *sc = (ehci_softc_t *)xfer->pipe->device->bus; 917 usb_device_request_t *req; 918 void *buf = NULL; 919 int port, i; 920 int s, len, value, index, l, totlen = 0; 921 usb_port_status_t ps; 922 usb_hub_descriptor_t hubd; 923 usbd_status err; 924 u_int32_t v; 925 926 if (sc->sc_dying) 927 return (USBD_IOERROR); 928 929 #ifdef DIAGNOSTIC 930 if (!(xfer->rqflags & URQ_REQUEST)) 931 /* XXX panic */ 932 return (USBD_INVAL); 933 #endif 934 req = &xfer->request; 935 936 DPRINTFN(4,("ehci_root_ctrl_control type=0x%02x request=%02x\n", 937 req->bmRequestType, req->bRequest)); 938 939 len = UGETW(req->wLength); 940 value = UGETW(req->wValue); 941 index = UGETW(req->wIndex); 942 943 if (len != 0) 944 buf = KERNADDR(&xfer->dmabuf); 945 946 #define C(x,y) ((x) | ((y) << 8)) 947 switch(C(req->bRequest, req->bmRequestType)) { 948 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 949 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 950 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 951 /* 952 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 953 * for the integrated root hub. 954 */ 955 break; 956 case C(UR_GET_CONFIG, UT_READ_DEVICE): 957 if (len > 0) { 958 *(u_int8_t *)buf = sc->sc_conf; 959 totlen = 1; 960 } 961 break; 962 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 963 DPRINTFN(8,("ehci_root_ctrl_control wValue=0x%04x\n", value)); 964 switch(value >> 8) { 965 case UDESC_DEVICE: 966 if ((value & 0xff) != 0) { 967 err = USBD_IOERROR; 968 goto ret; 969 } 970 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 971 USETW(ehci_devd.idVendor, sc->sc_id_vendor); 972 memcpy(buf, &ehci_devd, l); 973 break; 974 case UDESC_CONFIG: 975 if ((value & 0xff) != 0) { 976 err = USBD_IOERROR; 977 goto ret; 978 } 979 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 980 memcpy(buf, &ehci_confd, l); 981 buf = (char *)buf + l; 982 len -= l; 983 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 984 totlen += l; 985 memcpy(buf, &ehci_ifcd, l); 986 buf = (char *)buf + l; 987 len -= l; 988 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 989 totlen += l; 990 memcpy(buf, &ehci_endpd, l); 991 break; 992 case UDESC_STRING: 993 if (len == 0) 994 break; 995 *(u_int8_t *)buf = 0; 996 totlen = 1; 997 switch (value & 0xff) { 998 case 1: /* Vendor */ 999 totlen = ehci_str(buf, len, sc->sc_vendor); 1000 break; 1001 case 2: /* Product */ 1002 totlen = ehci_str(buf, len, "EHCI root hub"); 1003 break; 1004 } 1005 break; 1006 default: 1007 err = USBD_IOERROR; 1008 goto ret; 1009 } 1010 break; 1011 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 1012 if (len > 0) { 1013 *(u_int8_t *)buf = 0; 1014 totlen = 1; 1015 } 1016 break; 1017 case C(UR_GET_STATUS, UT_READ_DEVICE): 1018 if (len > 1) { 1019 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 1020 totlen = 2; 1021 } 1022 break; 1023 case C(UR_GET_STATUS, UT_READ_INTERFACE): 1024 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 1025 if (len > 1) { 1026 USETW(((usb_status_t *)buf)->wStatus, 0); 1027 totlen = 2; 1028 } 1029 break; 1030 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 1031 if (value >= USB_MAX_DEVICES) { 1032 err = USBD_IOERROR; 1033 goto ret; 1034 } 1035 sc->sc_addr = value; 1036 break; 1037 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 1038 if (value != 0 && value != 1) { 1039 err = USBD_IOERROR; 1040 goto ret; 1041 } 1042 sc->sc_conf = value; 1043 break; 1044 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 1045 break; 1046 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 1047 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 1048 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 1049 err = USBD_IOERROR; 1050 goto ret; 1051 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 1052 break; 1053 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 1054 break; 1055 /* Hub requests */ 1056 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 1057 break; 1058 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 1059 DPRINTFN(8, ("ehci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 1060 "port=%d feature=%d\n", 1061 index, value)); 1062 if (index < 1 || index > sc->sc_noport) { 1063 err = USBD_IOERROR; 1064 goto ret; 1065 } 1066 port = EHCI_PORTSC(index); 1067 v = EOREAD4(sc, port) &~ EHCI_PS_CLEAR; 1068 switch(value) { 1069 case UHF_PORT_ENABLE: 1070 EOWRITE4(sc, port, v &~ EHCI_PS_PE); 1071 break; 1072 case UHF_PORT_SUSPEND: 1073 EOWRITE4(sc, port, v &~ EHCI_PS_SUSP); 1074 break; 1075 case UHF_PORT_POWER: 1076 EOWRITE4(sc, port, v &~ EHCI_PS_PP); 1077 break; 1078 case UHF_C_PORT_CONNECTION: 1079 EOWRITE4(sc, port, v | EHCI_PS_CSC); 1080 break; 1081 case UHF_C_PORT_ENABLE: 1082 EOWRITE4(sc, port, v | EHCI_PS_PEC); 1083 break; 1084 case UHF_C_PORT_SUSPEND: 1085 /* how? */ 1086 break; 1087 case UHF_C_PORT_OVER_CURRENT: 1088 EOWRITE4(sc, port, v | EHCI_PS_OCC); 1089 break; 1090 case UHF_C_PORT_RESET: 1091 sc->sc_isreset = 0; 1092 break; 1093 default: 1094 err = USBD_IOERROR; 1095 goto ret; 1096 } 1097 #if 0 1098 switch(value) { 1099 case UHF_C_PORT_CONNECTION: 1100 case UHF_C_PORT_ENABLE: 1101 case UHF_C_PORT_SUSPEND: 1102 case UHF_C_PORT_OVER_CURRENT: 1103 case UHF_C_PORT_RESET: 1104 /* Enable RHSC interrupt if condition is cleared. */ 1105 if ((OREAD4(sc, port) >> 16) == 0) 1106 ehci_pcd_able(sc, 1); 1107 break; 1108 default: 1109 break; 1110 } 1111 #endif 1112 break; 1113 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 1114 if (value != 0) { 1115 err = USBD_IOERROR; 1116 goto ret; 1117 } 1118 hubd = ehci_hubd; 1119 hubd.bNbrPorts = sc->sc_noport; 1120 v = EOREAD4(sc, EHCI_HCSPARAMS); 1121 USETW(hubd.wHubCharacteristics, 1122 EHCI_HCS_PPC(v) ? UHD_PWR_INDIVIDUAL : UHD_PWR_NO_SWITCH); 1123 hubd.bPwrOn2PwrGood = 200; /* XXX can't find out? */ 1124 for (i = 0, l = sc->sc_noport; l > 0; i++, l -= 8, v >>= 8) 1125 hubd.DeviceRemovable[i++] = 0; /* XXX can't find out? */ 1126 hubd.bDescLength = USB_HUB_DESCRIPTOR_SIZE + i; 1127 l = min(len, hubd.bDescLength); 1128 totlen = l; 1129 memcpy(buf, &hubd, l); 1130 break; 1131 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 1132 if (len != 4) { 1133 err = USBD_IOERROR; 1134 goto ret; 1135 } 1136 memset(buf, 0, len); /* ? XXX */ 1137 totlen = len; 1138 break; 1139 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 1140 DPRINTFN(8,("ehci_root_ctrl_transfer: get port status i=%d\n", 1141 index)); 1142 if (index < 1 || index > sc->sc_noport) { 1143 err = USBD_IOERROR; 1144 goto ret; 1145 } 1146 if (len != 4) { 1147 err = USBD_IOERROR; 1148 goto ret; 1149 } 1150 v = EOREAD4(sc, EHCI_PORTSC(index)); 1151 DPRINTFN(8,("ehci_root_ctrl_transfer: port status=0x%04x\n", 1152 v)); 1153 i = 0; 1154 if (v & EHCI_PS_CS) i |= UPS_CURRENT_CONNECT_STATUS; 1155 if (v & EHCI_PS_PE) i |= UPS_PORT_ENABLED; 1156 if (v & EHCI_PS_SUSP) i |= UPS_SUSPEND; 1157 if (v & EHCI_PS_OCA) i |= UPS_OVERCURRENT_INDICATOR; 1158 if (v & EHCI_PS_PR) i |= UPS_RESET; 1159 if (v & EHCI_PS_PP) i |= UPS_PORT_POWER; 1160 USETW(ps.wPortStatus, i); 1161 i = 0; 1162 if (v & EHCI_PS_CSC) i |= UPS_C_CONNECT_STATUS; 1163 if (v & EHCI_PS_PEC) i |= UPS_C_PORT_ENABLED; 1164 if (v & EHCI_PS_OCC) i |= UPS_C_OVERCURRENT_INDICATOR; 1165 if (sc->sc_isreset) i |= UPS_C_PORT_RESET; 1166 USETW(ps.wPortChange, i); 1167 l = min(len, sizeof ps); 1168 memcpy(buf, &ps, l); 1169 totlen = l; 1170 break; 1171 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 1172 err = USBD_IOERROR; 1173 goto ret; 1174 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 1175 break; 1176 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 1177 if (index < 1 || index > sc->sc_noport) { 1178 err = USBD_IOERROR; 1179 goto ret; 1180 } 1181 port = EHCI_PORTSC(index); 1182 v = EOREAD4(sc, port) &~ EHCI_PS_CLEAR; 1183 switch(value) { 1184 case UHF_PORT_ENABLE: 1185 EOWRITE4(sc, port, v | EHCI_PS_PE); 1186 break; 1187 case UHF_PORT_SUSPEND: 1188 EOWRITE4(sc, port, v | EHCI_PS_SUSP); 1189 break; 1190 case UHF_PORT_RESET: 1191 DPRINTFN(5,("ehci_root_ctrl_transfer: reset port %d\n", 1192 index)); 1193 if (EHCI_PS_IS_LOWSPEED(v)) { 1194 /* Low speed device, give up ownership. */ 1195 ehci_disown(sc, index, 1); 1196 break; 1197 } 1198 /* Start reset sequence. */ 1199 v &= ~ (EHCI_PS_PE | EHCI_PS_PR); 1200 EOWRITE4(sc, port, v | EHCI_PS_PR); 1201 /* Wait for reset to complete. */ 1202 usb_delay_ms(&sc->sc_bus, USB_PORT_RESET_DELAY * 2); 1203 /* Terminate reset sequence. */ 1204 EOWRITE4(sc, port, v); 1205 /* Wait for HC to complete reset. */ 1206 usb_delay_ms(&sc->sc_bus, EHCI_PORT_RESET_COMPLETE * 2); 1207 v = EOREAD4(sc, port); 1208 DPRINTF(("ehci after reset, status=0x%08x\n", v)); 1209 if (v & EHCI_PS_PR) { 1210 printf("%s: port reset timeout\n", 1211 USBDEVNAME(sc->sc_bus.bdev)); 1212 return (USBD_TIMEOUT); 1213 } 1214 if (!(v & EHCI_PS_PE)) { 1215 /* Not a high speed device, give up ownership.*/ 1216 ehci_disown(sc, index, 0); 1217 break; 1218 } 1219 sc->sc_isreset = 1; 1220 DPRINTF(("ehci port %d reset, status = 0x%08x\n", 1221 index, v)); 1222 break; 1223 case UHF_PORT_POWER: 1224 DPRINTFN(2,("ehci_root_ctrl_transfer: set port power " 1225 "%d\n", index)); 1226 EOWRITE4(sc, port, v | EHCI_PS_PP); 1227 break; 1228 default: 1229 err = USBD_IOERROR; 1230 goto ret; 1231 } 1232 break; 1233 default: 1234 err = USBD_IOERROR; 1235 goto ret; 1236 } 1237 xfer->actlen = totlen; 1238 err = USBD_NORMAL_COMPLETION; 1239 ret: 1240 xfer->status = err; 1241 s = splusb(); 1242 usb_transfer_complete(xfer); 1243 splx(s); 1244 return (USBD_IN_PROGRESS); 1245 } 1246 1247 void 1248 ehci_disown(ehci_softc_t *sc, int index, int lowspeed) 1249 { 1250 int i, port; 1251 u_int32_t v; 1252 1253 DPRINTF(("ehci_disown: index=%d lowspeed=%d\n", index, lowspeed)); 1254 #ifdef DIAGNOSTIC 1255 if (sc->sc_npcomp != 0) { 1256 i = (index-1) / sc->sc_npcomp; 1257 if (i >= sc->sc_ncomp) 1258 printf("%s: strange port\n", 1259 USBDEVNAME(sc->sc_bus.bdev)); 1260 else 1261 printf("%s: handing over %s speed device on " 1262 "port %d to %s\n", 1263 USBDEVNAME(sc->sc_bus.bdev), 1264 lowspeed ? "low" : "full", 1265 index, USBDEVNAME(sc->sc_comps[i]->bdev)); 1266 } else { 1267 printf("%s: npcomp == 0\n", USBDEVNAME(sc->sc_bus.bdev)); 1268 } 1269 #endif 1270 port = EHCI_PORTSC(index); 1271 v = EOREAD4(sc, port) &~ EHCI_PS_CLEAR; 1272 EOWRITE4(sc, port, v | EHCI_PS_PO); 1273 } 1274 1275 /* Abort a root control request. */ 1276 Static void 1277 ehci_root_ctrl_abort(usbd_xfer_handle xfer) 1278 { 1279 /* Nothing to do, all transfers are synchronous. */ 1280 } 1281 1282 /* Close the root pipe. */ 1283 Static void 1284 ehci_root_ctrl_close(usbd_pipe_handle pipe) 1285 { 1286 DPRINTF(("ehci_root_ctrl_close\n")); 1287 /* Nothing to do. */ 1288 } 1289 1290 void 1291 ehci_root_intr_done(usbd_xfer_handle xfer) 1292 { 1293 xfer->hcpriv = NULL; 1294 } 1295 1296 Static usbd_status 1297 ehci_root_intr_transfer(usbd_xfer_handle xfer) 1298 { 1299 usbd_status err; 1300 1301 /* Insert last in queue. */ 1302 err = usb_insert_transfer(xfer); 1303 if (err) 1304 return (err); 1305 1306 /* Pipe isn't running, start first */ 1307 return (ehci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1308 } 1309 1310 Static usbd_status 1311 ehci_root_intr_start(usbd_xfer_handle xfer) 1312 { 1313 usbd_pipe_handle pipe = xfer->pipe; 1314 ehci_softc_t *sc = (ehci_softc_t *)pipe->device->bus; 1315 1316 if (sc->sc_dying) 1317 return (USBD_IOERROR); 1318 1319 sc->sc_intrxfer = xfer; 1320 1321 return (USBD_IN_PROGRESS); 1322 } 1323 1324 /* Abort a root interrupt request. */ 1325 Static void 1326 ehci_root_intr_abort(usbd_xfer_handle xfer) 1327 { 1328 int s; 1329 1330 if (xfer->pipe->intrxfer == xfer) { 1331 DPRINTF(("ehci_root_intr_abort: remove\n")); 1332 xfer->pipe->intrxfer = NULL; 1333 } 1334 xfer->status = USBD_CANCELLED; 1335 s = splusb(); 1336 usb_transfer_complete(xfer); 1337 splx(s); 1338 } 1339 1340 /* Close the root pipe. */ 1341 Static void 1342 ehci_root_intr_close(usbd_pipe_handle pipe) 1343 { 1344 ehci_softc_t *sc = (ehci_softc_t *)pipe->device->bus; 1345 1346 DPRINTF(("ehci_root_intr_close\n")); 1347 1348 sc->sc_intrxfer = NULL; 1349 } 1350 1351 void 1352 ehci_root_ctrl_done(usbd_xfer_handle xfer) 1353 { 1354 xfer->hcpriv = NULL; 1355 } 1356 1357 /************************/ 1358 1359 Static usbd_status ehci_device_ctrl_transfer(usbd_xfer_handle xfer) { return USBD_IOERROR; } 1360 Static usbd_status ehci_device_ctrl_start(usbd_xfer_handle xfer) { return USBD_IOERROR; } 1361 Static void ehci_device_ctrl_abort(usbd_xfer_handle xfer) { } 1362 Static void ehci_device_ctrl_close(usbd_pipe_handle pipe) { } 1363 Static void ehci_device_ctrl_done(usbd_xfer_handle xfer) { } 1364 1365 Static usbd_status ehci_device_bulk_transfer(usbd_xfer_handle xfer) { return USBD_IOERROR; } 1366 Static usbd_status ehci_device_bulk_start(usbd_xfer_handle xfer) { return USBD_IOERROR; } 1367 Static void ehci_device_bulk_abort(usbd_xfer_handle xfer) { } 1368 Static void ehci_device_bulk_close(usbd_pipe_handle pipe) { } 1369 Static void ehci_device_bulk_done(usbd_xfer_handle xfer) { } 1370 1371 Static usbd_status ehci_device_intr_transfer(usbd_xfer_handle xfer) { return USBD_IOERROR; } 1372 Static usbd_status ehci_device_intr_start(usbd_xfer_handle xfer) { return USBD_IOERROR; } 1373 Static void ehci_device_intr_abort(usbd_xfer_handle xfer) { } 1374 Static void ehci_device_intr_close(usbd_pipe_handle pipe) { } 1375 Static void ehci_device_intr_done(usbd_xfer_handle xfer) { } 1376 1377 Static usbd_status ehci_device_isoc_transfer(usbd_xfer_handle xfer) { return USBD_IOERROR; } 1378 Static usbd_status ehci_device_isoc_start(usbd_xfer_handle xfer) { return USBD_IOERROR; } 1379 Static void ehci_device_isoc_abort(usbd_xfer_handle xfer) { } 1380 Static void ehci_device_isoc_close(usbd_pipe_handle pipe) { } 1381 Static void ehci_device_isoc_done(usbd_xfer_handle xfer) { } 1382
Indexes created Mon Sep 22 21:09:42 GMT 2025