uhci.c revision 1.120.2.1
1 /* $NetBSD: uhci.c,v 1.120.2.1 2000/08/22 04:11:54 augustss Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart (at) augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * USB Universal Host Controller driver. 43 * Handles e.g. PIIX3 and PIIX4. 44 * 45 * UHCI spec: http://www.intel.com/design/usb/uhci11d.pdf 46 * USB spec: http://www.usb.org/developers/data/usb11.pdf 47 * PIIXn spec: ftp://download.intel.com/design/intarch/datashts/29055002.pdf 48 * ftp://download.intel.com/design/intarch/datashts/29056201.pdf 49 */ 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/kernel.h> 54 #include <sys/malloc.h> 55 #if defined(__NetBSD__) || defined(__OpenBSD__) 56 #include <sys/device.h> 57 #include <sys/select.h> 58 #elif defined(__FreeBSD__) 59 #include <sys/module.h> 60 #include <sys/bus.h> 61 #include <machine/bus_pio.h> 62 #if defined(DIAGNOSTIC) && defined(__i386__) 63 #include <machine/cpu.h> 64 #endif 65 #endif 66 #include <sys/proc.h> 67 #include <sys/queue.h> 68 69 #include <machine/bus.h> 70 #include <machine/endian.h> 71 72 #include <dev/usb/usb.h> 73 #include <dev/usb/usbdi.h> 74 #include <dev/usb/usbdivar.h> 75 #include <dev/usb/usb_mem.h> 76 #include <dev/usb/usb_quirks.h> 77 78 #include <dev/usb/uhcireg.h> 79 #include <dev/usb/uhcivar.h> 80 81 #if defined(__FreeBSD__) 82 #include <machine/clock.h> 83 84 #define delay(d) DELAY(d) 85 #endif 86 87 #define MS_TO_TICKS(ms) ((ms) * hz / 1000) 88 89 #if defined(__OpenBSD__) 90 struct cfdriver uhci_cd = { 91 NULL, "uhci", DV_DULL 92 }; 93 #endif 94 95 #ifdef UHCI_DEBUG 96 uhci_softc_t *thesc; 97 #define DPRINTF(x) if (uhcidebug) printf x 98 #define DPRINTFN(n,x) if (uhcidebug>(n)) printf x 99 int uhcidebug = 0; 100 #else 101 #define DPRINTF(x) 102 #define DPRINTFN(n,x) 103 #endif 104 105 /* 106 * The UHCI controller is little endian, so on big endian machines 107 * the data strored in memory needs to be swapped. 108 */ 109 #if defined(__FreeBSD__) || defined(__OpenBSD__) 110 #if BYTE_ORDER == BIG_ENDIAN 111 #define htole32(x) (bswap32(x)) 112 #define le32toh(x) (bswap32(x)) 113 #else 114 #define htole32(x) (x) 115 #define le32toh(x) (x) 116 #endif 117 #endif 118 119 struct uhci_pipe { 120 struct usbd_pipe pipe; 121 int nexttoggle; 122 123 u_char aborting; 124 usbd_xfer_handle abortstart, abortend; 125 126 /* Info needed for different pipe kinds. */ 127 union { 128 /* Control pipe */ 129 struct { 130 uhci_soft_qh_t *sqh; 131 usb_dma_t reqdma; 132 uhci_soft_td_t *setup, *stat; 133 u_int length; 134 } ctl; 135 /* Interrupt pipe */ 136 struct { 137 int npoll; 138 uhci_soft_qh_t **qhs; 139 } intr; 140 /* Bulk pipe */ 141 struct { 142 uhci_soft_qh_t *sqh; 143 u_int length; 144 int isread; 145 } bulk; 146 /* Iso pipe */ 147 struct iso { 148 uhci_soft_td_t **stds; 149 int next, inuse; 150 } iso; 151 } u; 152 }; 153 154 Static void uhci_busreset(uhci_softc_t *); 155 Static void uhci_shutdown(void *v); 156 Static void uhci_power(int, void *); 157 Static usbd_status uhci_run(uhci_softc_t *, int run); 158 Static uhci_soft_td_t *uhci_alloc_std(uhci_softc_t *); 159 Static void uhci_free_std(uhci_softc_t *, uhci_soft_td_t *); 160 Static uhci_soft_qh_t *uhci_alloc_sqh(uhci_softc_t *); 161 Static void uhci_free_sqh(uhci_softc_t *, uhci_soft_qh_t *); 162 #if 0 163 Static void uhci_enter_ctl_q(uhci_softc_t *, uhci_soft_qh_t *, 164 uhci_intr_info_t *); 165 Static void uhci_exit_ctl_q(uhci_softc_t *, uhci_soft_qh_t *); 166 #endif 167 168 Static void uhci_free_std_chain(uhci_softc_t *, 169 uhci_soft_td_t *, uhci_soft_td_t *); 170 Static usbd_status uhci_alloc_std_chain(struct uhci_pipe *, 171 uhci_softc_t *, int, int, u_int16_t, usb_dma_t *, 172 uhci_soft_td_t **, uhci_soft_td_t **); 173 Static void uhci_poll_hub(void *); 174 Static void uhci_waitintr(uhci_softc_t *, usbd_xfer_handle); 175 Static void uhci_check_intr(uhci_softc_t *, uhci_intr_info_t *); 176 Static void uhci_idone(uhci_intr_info_t *); 177 178 Static void uhci_abort_xfer(usbd_xfer_handle, usbd_status status); 179 180 Static void uhci_timeout(void *); 181 Static void uhci_add_ctrl(uhci_softc_t *, uhci_soft_qh_t *); 182 Static void uhci_add_bulk(uhci_softc_t *, uhci_soft_qh_t *); 183 Static void uhci_remove_ctrl(uhci_softc_t *,uhci_soft_qh_t *); 184 Static void uhci_remove_bulk(uhci_softc_t *,uhci_soft_qh_t *); 185 Static int uhci_str(usb_string_descriptor_t *, int, char *); 186 187 Static usbd_status uhci_setup_isoc(usbd_pipe_handle pipe); 188 Static void uhci_device_isoc_enter(usbd_xfer_handle); 189 190 Static usbd_status uhci_allocm(struct usbd_bus *, usb_dma_t *, u_int32_t); 191 Static void uhci_freem(struct usbd_bus *, usb_dma_t *); 192 193 Static usbd_xfer_handle uhci_allocx(struct usbd_bus *); 194 Static void uhci_freex(struct usbd_bus *, usbd_xfer_handle); 195 196 Static usbd_status uhci_device_ctrl_transfer(usbd_xfer_handle); 197 Static usbd_status uhci_device_ctrl_start(usbd_xfer_handle); 198 Static void uhci_device_ctrl_abort(usbd_xfer_handle); 199 Static void uhci_device_ctrl_close(usbd_pipe_handle); 200 Static void uhci_device_ctrl_done(usbd_xfer_handle); 201 202 Static usbd_status uhci_device_intr_transfer(usbd_xfer_handle); 203 Static usbd_status uhci_device_intr_start(usbd_xfer_handle); 204 Static void uhci_device_intr_abort(usbd_xfer_handle); 205 Static void uhci_device_intr_close(usbd_pipe_handle); 206 Static void uhci_device_intr_done(usbd_xfer_handle); 207 208 Static usbd_status uhci_device_bulk_transfer(usbd_xfer_handle); 209 Static usbd_status uhci_device_bulk_start(usbd_xfer_handle); 210 Static void uhci_device_bulk_abort(usbd_xfer_handle); 211 Static void uhci_device_bulk_close(usbd_pipe_handle); 212 Static void uhci_device_bulk_done(usbd_xfer_handle); 213 214 Static usbd_status uhci_device_isoc_transfer(usbd_xfer_handle); 215 Static usbd_status uhci_device_isoc_start(usbd_xfer_handle); 216 Static void uhci_device_isoc_abort(usbd_xfer_handle); 217 Static void uhci_device_isoc_close(usbd_pipe_handle); 218 Static void uhci_device_isoc_done(usbd_xfer_handle); 219 220 Static usbd_status uhci_root_ctrl_transfer(usbd_xfer_handle); 221 Static usbd_status uhci_root_ctrl_start(usbd_xfer_handle); 222 Static void uhci_root_ctrl_abort(usbd_xfer_handle); 223 Static void uhci_root_ctrl_close(usbd_pipe_handle); 224 Static void uhci_root_ctrl_done(usbd_xfer_handle); 225 226 Static usbd_status uhci_root_intr_transfer(usbd_xfer_handle); 227 Static usbd_status uhci_root_intr_start(usbd_xfer_handle); 228 Static void uhci_root_intr_abort(usbd_xfer_handle); 229 Static void uhci_root_intr_close(usbd_pipe_handle); 230 Static void uhci_root_intr_done(usbd_xfer_handle); 231 232 Static usbd_status uhci_open(usbd_pipe_handle); 233 Static void uhci_poll(struct usbd_bus *); 234 Static void uhci_softintr(struct usbd_bus *); 235 236 Static usbd_status uhci_device_request(usbd_xfer_handle xfer); 237 238 Static void uhci_add_intr(uhci_softc_t *, uhci_soft_qh_t *); 239 Static void uhci_remove_intr(uhci_softc_t*, uhci_soft_qh_t*); 240 Static usbd_status uhci_device_setintr(uhci_softc_t *sc, 241 struct uhci_pipe *pipe, int ival); 242 243 Static void uhci_device_clear_toggle(usbd_pipe_handle pipe); 244 Static void uhci_noop(usbd_pipe_handle pipe); 245 246 Static __inline__ uhci_soft_qh_t *uhci_find_prev_qh(uhci_soft_qh_t *, 247 uhci_soft_qh_t *); 248 249 #ifdef UHCI_DEBUG 250 Static void uhci_dump_all(uhci_softc_t *); 251 Static void uhci_dumpregs(uhci_softc_t *); 252 Static void uhci_dump_qhs(uhci_soft_qh_t *); 253 Static void uhci_dump_qh(uhci_soft_qh_t *); 254 Static void uhci_dump_tds(uhci_soft_td_t *); 255 Static void uhci_dump_td(uhci_soft_td_t *); 256 Static void uhci_dump_ii(uhci_intr_info_t *ii); 257 void uhci_dump(void); 258 #endif 259 260 #define UBARR(sc) bus_space_barrier((sc)->iot, (sc)->ioh, 0, (sc)->sc_size, \ 261 BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE) 262 #define UWRITE1(sc, r, x) \ 263 do { UBARR(sc); bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 264 #define UWRITE2(sc, r, x) \ 265 do { UBARR(sc); bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 266 #define UWRITE4(sc, r, x) \ 267 do { UBARR(sc); bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 268 #define UREAD1(sc, r) (UBARR(sc), bus_space_read_1((sc)->iot, (sc)->ioh, (r))) 269 #define UREAD2(sc, r) (UBARR(sc), bus_space_read_2((sc)->iot, (sc)->ioh, (r))) 270 #define UREAD4(sc, r) (UBARR(sc), bus_space_read_4((sc)->iot, (sc)->ioh, (r))) 271 272 #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) 273 #define UHCISTS(sc) UREAD2(sc, UHCI_STS) 274 275 #define UHCI_RESET_TIMEOUT 100 /* reset timeout */ 276 277 #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) 278 279 #define UHCI_INTR_ENDPT 1 280 281 struct usbd_bus_methods uhci_bus_methods = { 282 uhci_open, 283 uhci_softintr, 284 uhci_poll, 285 uhci_allocm, 286 uhci_freem, 287 uhci_allocx, 288 uhci_freex, 289 }; 290 291 struct usbd_pipe_methods uhci_root_ctrl_methods = { 292 uhci_root_ctrl_transfer, 293 uhci_root_ctrl_start, 294 uhci_root_ctrl_abort, 295 uhci_root_ctrl_close, 296 uhci_noop, 297 uhci_root_ctrl_done, 298 }; 299 300 struct usbd_pipe_methods uhci_root_intr_methods = { 301 uhci_root_intr_transfer, 302 uhci_root_intr_start, 303 uhci_root_intr_abort, 304 uhci_root_intr_close, 305 uhci_noop, 306 uhci_root_intr_done, 307 }; 308 309 struct usbd_pipe_methods uhci_device_ctrl_methods = { 310 uhci_device_ctrl_transfer, 311 uhci_device_ctrl_start, 312 uhci_device_ctrl_abort, 313 uhci_device_ctrl_close, 314 uhci_noop, 315 uhci_device_ctrl_done, 316 }; 317 318 struct usbd_pipe_methods uhci_device_intr_methods = { 319 uhci_device_intr_transfer, 320 uhci_device_intr_start, 321 uhci_device_intr_abort, 322 uhci_device_intr_close, 323 uhci_device_clear_toggle, 324 uhci_device_intr_done, 325 }; 326 327 struct usbd_pipe_methods uhci_device_bulk_methods = { 328 uhci_device_bulk_transfer, 329 uhci_device_bulk_start, 330 uhci_device_bulk_abort, 331 uhci_device_bulk_close, 332 uhci_device_clear_toggle, 333 uhci_device_bulk_done, 334 }; 335 336 struct usbd_pipe_methods uhci_device_isoc_methods = { 337 uhci_device_isoc_transfer, 338 uhci_device_isoc_start, 339 uhci_device_isoc_abort, 340 uhci_device_isoc_close, 341 uhci_noop, 342 uhci_device_isoc_done, 343 }; 344 345 #define uhci_add_intr_info(sc, ii) \ 346 LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list); 347 #define uhci_del_intr_info(ii) \ 348 LIST_REMOVE((ii), list) 349 350 Static __inline__ uhci_soft_qh_t * 351 uhci_find_prev_qh(uhci_soft_qh_t *pqh, uhci_soft_qh_t *sqh) 352 { 353 DPRINTFN(15,("uhci_find_prev_qh: pqh=%p sqh=%p\n", pqh, sqh)); 354 355 for (; pqh->hlink != sqh; pqh = pqh->hlink) { 356 #if defined(DIAGNOSTIC) || defined(UHCI_DEBUG) 357 if (le32toh(pqh->qh.qh_hlink) & UHCI_PTR_T) { 358 printf("uhci_find_prev_qh: QH not found\n"); 359 return (NULL); 360 } 361 #endif 362 } 363 return (pqh); 364 } 365 366 void 367 uhci_busreset(uhci_softc_t *sc) 368 { 369 UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ 370 usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ 371 UHCICMD(sc, 0); /* do nothing */ 372 } 373 374 usbd_status 375 uhci_init(uhci_softc_t *sc) 376 { 377 usbd_status err; 378 int i, j; 379 uhci_soft_qh_t *csqh, *bsqh, *sqh; 380 uhci_soft_td_t *std; 381 382 DPRINTFN(1,("uhci_init: start\n")); 383 384 #ifdef UHCI_DEBUG 385 thesc = sc; 386 387 if (uhcidebug > 2) 388 uhci_dumpregs(sc); 389 #endif 390 391 uhci_run(sc, 0); /* stop the controller */ 392 UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ 393 394 uhci_busreset(sc); 395 396 /* Allocate and initialize real frame array. */ 397 err = usb_allocmem(&sc->sc_bus, 398 UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), 399 UHCI_FRAMELIST_ALIGN, &sc->sc_dma); 400 if (err) 401 return (err); 402 sc->sc_pframes = KERNADDR(&sc->sc_dma); 403 UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */ 404 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); /* set frame list*/ 405 406 /* Allocate the dummy QH where bulk traffic will be queued. */ 407 bsqh = uhci_alloc_sqh(sc); 408 if (bsqh == NULL) 409 return (USBD_NOMEM); 410 bsqh->qh.qh_hlink = htole32(UHCI_PTR_T); /* end of QH chain */ 411 bsqh->qh.qh_elink = htole32(UHCI_PTR_T); 412 sc->sc_bulk_start = sc->sc_bulk_end = bsqh; 413 414 /* Allocate the dummy QH where control traffic will be queued. */ 415 csqh = uhci_alloc_sqh(sc); 416 if (csqh == NULL) 417 return (USBD_NOMEM); 418 csqh->hlink = bsqh; 419 csqh->qh.qh_hlink = htole32(bsqh->physaddr | UHCI_PTR_Q); 420 csqh->qh.qh_elink = htole32(UHCI_PTR_T); 421 sc->sc_ctl_start = sc->sc_ctl_end = csqh; 422 423 /* 424 * Make all (virtual) frame list pointers point to the interrupt 425 * queue heads and the interrupt queue heads at the control 426 * queue head and point the physical frame list to the virtual. 427 */ 428 for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 429 std = uhci_alloc_std(sc); 430 sqh = uhci_alloc_sqh(sc); 431 if (std == NULL || sqh == NULL) 432 return (USBD_NOMEM); 433 std->link.sqh = sqh; 434 std->td.td_link = htole32(sqh->physaddr | UHCI_PTR_Q); 435 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 436 std->td.td_token = htole32(0); 437 std->td.td_buffer = htole32(0); 438 sqh->hlink = csqh; 439 sqh->qh.qh_hlink = htole32(csqh->physaddr | UHCI_PTR_Q); 440 sqh->elink = 0; 441 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 442 sc->sc_vframes[i].htd = std; 443 sc->sc_vframes[i].etd = std; 444 sc->sc_vframes[i].hqh = sqh; 445 sc->sc_vframes[i].eqh = sqh; 446 for (j = i; 447 j < UHCI_FRAMELIST_COUNT; 448 j += UHCI_VFRAMELIST_COUNT) 449 sc->sc_pframes[j] = htole32(std->physaddr); 450 } 451 452 LIST_INIT(&sc->sc_intrhead); 453 454 SIMPLEQ_INIT(&sc->sc_free_xfers); 455 456 usb_callout_init(sc->sc_poll_handle); 457 458 /* Set up the bus struct. */ 459 sc->sc_bus.methods = &uhci_bus_methods; 460 sc->sc_bus.pipe_size = sizeof(struct uhci_pipe); 461 462 #if defined(__NetBSD__) || defined(__OpenBSD__) 463 sc->sc_suspend = PWR_RESUME; 464 sc->sc_powerhook = powerhook_establish(uhci_power, sc); 465 sc->sc_shutdownhook = shutdownhook_establish(uhci_shutdown, sc); 466 #endif 467 468 DPRINTFN(1,("uhci_init: enabling\n")); 469 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 470 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */ 471 472 UHCICMD(sc, UHCI_CMD_MAXP); /* Assume 64 byte packets at frame end */ 473 474 return (uhci_run(sc, 1)); /* and here we go... */ 475 } 476 477 #if defined(__NetBSD__) || defined(__OpenBSD__) 478 int 479 uhci_activate(device_ptr_t self, enum devact act) 480 { 481 struct uhci_softc *sc = (struct uhci_softc *)self; 482 int rv = 0; 483 484 switch (act) { 485 case DVACT_ACTIVATE: 486 return (EOPNOTSUPP); 487 break; 488 489 case DVACT_DEACTIVATE: 490 if (sc->sc_child != NULL) 491 rv = config_deactivate(sc->sc_child); 492 break; 493 } 494 return (rv); 495 } 496 497 int 498 uhci_detach(struct uhci_softc *sc, int flags) 499 { 500 usbd_xfer_handle xfer; 501 int rv = 0; 502 503 if (sc->sc_child != NULL) 504 rv = config_detach(sc->sc_child, flags); 505 506 if (rv != 0) 507 return (rv); 508 509 #if defined(__NetBSD__) || defined(__OpenBSD__) 510 powerhook_disestablish(sc->sc_powerhook); 511 shutdownhook_disestablish(sc->sc_shutdownhook); 512 #endif 513 514 /* Free all xfers associated with this HC. */ 515 for (;;) { 516 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 517 if (xfer == NULL) 518 break; 519 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 520 free(xfer, M_USB); 521 } 522 523 /* XXX free other data structures XXX */ 524 525 return (rv); 526 } 527 #endif 528 529 usbd_status 530 uhci_allocm(struct usbd_bus *bus, usb_dma_t *dma, u_int32_t size) 531 { 532 struct uhci_softc *sc = (struct uhci_softc *)bus; 533 u_int32_t n; 534 535 /* 536 * XXX 537 * Since we are allocating a buffer we can assume that we will 538 * need TDs for it. Since we don't want to alolocate those from 539 * an interrupt context, we allocate them here and free them again. 540 * This is no guarantee that we'll get the TDs next time... 541 */ 542 n = size / 8; 543 if (n > 16) { 544 u_int32_t i; 545 uhci_soft_td_t **stds; 546 DPRINTF(("uhci_allocm: get %d TDs\n", n)); 547 stds = malloc(sizeof(uhci_soft_td_t *) * n, M_TEMP, M_NOWAIT); 548 memset(stds, 0, sizeof(uhci_soft_td_t *) * n); 549 for(i=0; i < n; i++) 550 stds[i] = uhci_alloc_std(sc); 551 for(i=0; i < n; i++) 552 if (stds[i] != NULL) 553 uhci_free_std(sc, stds[i]); 554 free(stds, M_TEMP); 555 } 556 557 return (usb_allocmem(&sc->sc_bus, size, 0, dma)); 558 } 559 560 void 561 uhci_freem(struct usbd_bus *bus, usb_dma_t *dma) 562 { 563 usb_freemem(&((struct uhci_softc *)bus)->sc_bus, dma); 564 } 565 566 usbd_xfer_handle 567 uhci_allocx(struct usbd_bus *bus) 568 { 569 struct uhci_softc *sc = (struct uhci_softc *)bus; 570 usbd_xfer_handle xfer; 571 572 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 573 if (xfer != NULL) { 574 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 575 #ifdef DIAGNOSTIC 576 if (xfer->busy_free != XFER_FREE) { 577 printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer, 578 xfer->busy_free); 579 } 580 #endif 581 } else { 582 xfer = malloc(sizeof(struct uhci_xfer), M_USB, M_NOWAIT); 583 } 584 if (xfer != NULL) { 585 memset(xfer, 0, sizeof (struct uhci_xfer)); 586 UXFER(xfer)->iinfo.sc = sc; 587 #ifdef DIAGNOSTIC 588 UXFER(xfer)->iinfo.isdone = 1; 589 #endif 590 } 591 #ifdef DIAGNOSTIC 592 xfer->busy_free = XFER_BUSY; 593 #endif 594 return (xfer); 595 } 596 597 void 598 uhci_freex(struct usbd_bus *bus, usbd_xfer_handle xfer) 599 { 600 struct uhci_softc *sc = (struct uhci_softc *)bus; 601 602 #ifdef DIAGNOSTIC 603 if (xfer->busy_free != XFER_BUSY) { 604 printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer, 605 xfer->busy_free); 606 return; 607 } 608 xfer->busy_free = XFER_FREE; 609 if (!UXFER(xfer)->iinfo.isdone) { 610 printf("uhci_freex: !isdone\n"); 611 return; 612 } 613 #endif 614 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); 615 } 616 617 /* 618 * Shut down the controller when the system is going down. 619 */ 620 void 621 uhci_shutdown(void *v) 622 { 623 uhci_softc_t *sc = v; 624 625 DPRINTF(("uhci_shutdown: stopping the HC\n")); 626 uhci_run(sc, 0); /* stop the controller */ 627 } 628 629 /* 630 * Handle suspend/resume. 631 * 632 * We need to switch to polling mode here, because this routine is 633 * called from an interrupt context. This is all right since we 634 * are almost suspended anyway. 635 */ 636 void 637 uhci_power(int why, void *v) 638 { 639 uhci_softc_t *sc = v; 640 int cmd; 641 int s; 642 643 s = splusb(); 644 cmd = UREAD2(sc, UHCI_CMD); 645 646 DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", 647 sc, why, sc->sc_suspend, cmd)); 648 649 if (why != PWR_RESUME) { 650 #ifdef UHCI_DEBUG 651 if (uhcidebug > 2) 652 uhci_dumpregs(sc); 653 #endif 654 if (sc->sc_intr_xfer != NULL) 655 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, 656 sc->sc_intr_xfer); 657 sc->sc_bus.use_polling++; 658 uhci_run(sc, 0); /* stop the controller */ 659 660 /* save some state if BIOS doesn't */ 661 sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); 662 sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); 663 664 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 665 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 666 sc->sc_suspend = why; 667 sc->sc_bus.use_polling--; 668 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 669 } else { 670 #ifdef DIAGNOSTIC 671 if (sc->sc_suspend == PWR_RESUME) 672 printf("uhci_power: weird, resume without suspend.\n"); 673 #endif 674 sc->sc_bus.use_polling++; 675 sc->sc_suspend = why; 676 if (cmd & UHCI_CMD_RS) 677 uhci_run(sc, 0); /* in case BIOS has started it */ 678 679 /* restore saved state */ 680 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); 681 UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); 682 UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); 683 684 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 685 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 686 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 687 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 688 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 689 uhci_run(sc, 1); /* and start traffic again */ 690 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 691 sc->sc_bus.use_polling--; 692 if (sc->sc_intr_xfer != NULL) 693 usb_callout(sc->sc_poll_handle, sc->sc_ival, 694 uhci_poll_hub, sc->sc_intr_xfer); 695 #ifdef UHCI_DEBUG 696 if (uhcidebug > 2) 697 uhci_dumpregs(sc); 698 #endif 699 } 700 splx(s); 701 } 702 703 #ifdef UHCI_DEBUG 704 Static void 705 uhci_dumpregs(uhci_softc_t *sc) 706 { 707 DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 708 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 709 USBDEVNAME(sc->sc_bus.bdev), 710 UREAD2(sc, UHCI_CMD), 711 UREAD2(sc, UHCI_STS), 712 UREAD2(sc, UHCI_INTR), 713 UREAD2(sc, UHCI_FRNUM), 714 UREAD4(sc, UHCI_FLBASEADDR), 715 UREAD1(sc, UHCI_SOF), 716 UREAD2(sc, UHCI_PORTSC1), 717 UREAD2(sc, UHCI_PORTSC2))); 718 } 719 720 void 721 uhci_dump_td(uhci_soft_td_t *p) 722 { 723 DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 724 "token=0x%08lx buffer=0x%08lx\n", 725 p, (long)p->physaddr, 726 (long)le32toh(p->td.td_link), 727 (long)le32toh(p->td.td_status), 728 (long)le32toh(p->td.td_token), 729 (long)le32toh(p->td.td_buffer))); 730 DPRINTFN(-1,(" %b %b,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 731 "D=%d,maxlen=%d\n", 732 (int)le32toh(p->td.td_link), 733 "\20\1T\2Q\3VF", 734 (int)le32toh(p->td.td_status), 735 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 736 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 737 UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), 738 UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), 739 UHCI_TD_GET_PID(le32toh(p->td.td_token)), 740 UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), 741 UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), 742 UHCI_TD_GET_DT(le32toh(p->td.td_token)), 743 UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); 744 } 745 746 void 747 uhci_dump_qh(uhci_soft_qh_t *sqh) 748 { 749 DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, 750 (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), 751 le32toh(sqh->qh.qh_elink))); 752 } 753 754 755 #if 1 756 void 757 uhci_dump(void) 758 { 759 uhci_dump_all(thesc); 760 } 761 #endif 762 763 void 764 uhci_dump_all(uhci_softc_t *sc) 765 { 766 uhci_dumpregs(sc); 767 printf("intrs=%d\n", sc->sc_bus.no_intrs); 768 /*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/ 769 uhci_dump_qh(sc->sc_ctl_start); 770 } 771 772 773 void 774 uhci_dump_qhs(uhci_soft_qh_t *sqh) 775 { 776 uhci_dump_qh(sqh); 777 778 /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards 779 * Traverses sideways first, then down. 780 * 781 * QH1 782 * QH2 783 * No QH 784 * TD2.1 785 * TD2.2 786 * TD1.1 787 * etc. 788 * 789 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. 790 */ 791 792 793 if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) 794 uhci_dump_qhs(sqh->hlink); 795 else 796 DPRINTF(("No QH\n")); 797 798 if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) 799 uhci_dump_tds(sqh->elink); 800 else 801 DPRINTF(("No TD\n")); 802 } 803 804 void 805 uhci_dump_tds(uhci_soft_td_t *std) 806 { 807 uhci_soft_td_t *td; 808 809 for(td = std; td != NULL; td = td->link.std) { 810 uhci_dump_td(td); 811 812 /* Check whether the link pointer in this TD marks 813 * the link pointer as end of queue. This avoids 814 * printing the free list in case the queue/TD has 815 * already been moved there (seatbelt). 816 */ 817 if (le32toh(td->td.td_link) & UHCI_PTR_T || 818 le32toh(td->td.td_link) == 0) 819 break; 820 } 821 } 822 823 Static void 824 uhci_dump_ii(uhci_intr_info_t *ii) 825 { 826 usbd_pipe_handle pipe; 827 usb_endpoint_descriptor_t *ed; 828 usbd_device_handle dev; 829 830 #ifdef DIAGNOSTIC 831 #define DONE ii->isdone 832 #else 833 #define DONE 0 834 #endif 835 if (ii == NULL) { 836 printf("ii NULL\n"); 837 return; 838 } 839 if (ii->xfer == NULL) { 840 printf("ii %p: done=%d xfer=NULL\n", 841 ii, DONE); 842 return; 843 } 844 pipe = ii->xfer->pipe; 845 if (pipe == NULL) { 846 printf("ii %p: done=%d xfer=%p pipe=NULL\n", 847 ii, DONE, ii->xfer); 848 return; 849 } 850 ed = pipe->endpoint->edesc; 851 dev = pipe->device; 852 printf("ii %p: done=%d xfer=%p dev=%p vid=0x%04x pid=0x%04x addr=%d pipe=%p ep=0x%02x attr=0x%02x\n", 853 ii, DONE, ii->xfer, dev, 854 UGETW(dev->ddesc.idVendor), 855 UGETW(dev->ddesc.idProduct), 856 dev->address, pipe, 857 ed->bEndpointAddress, ed->bmAttributes); 858 #undef DONE 859 } 860 861 void uhci_dump_iis(struct uhci_softc *sc); 862 void 863 uhci_dump_iis(struct uhci_softc *sc) 864 { 865 uhci_intr_info_t *ii; 866 867 printf("intr_info list:\n"); 868 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 869 uhci_dump_ii(ii); 870 } 871 872 void iidump(void); 873 void iidump(void) { uhci_dump_iis(thesc); } 874 875 #endif 876 877 /* 878 * This routine is executed periodically and simulates interrupts 879 * from the root controller interrupt pipe for port status change. 880 */ 881 void 882 uhci_poll_hub(void *addr) 883 { 884 usbd_xfer_handle xfer = addr; 885 usbd_pipe_handle pipe = xfer->pipe; 886 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 887 int s; 888 u_char *p; 889 890 DPRINTFN(20, ("uhci_poll_hub\n")); 891 892 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 893 894 p = KERNADDR(&xfer->dmabuf); 895 p[0] = 0; 896 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 897 p[0] |= 1<<1; 898 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 899 p[0] |= 1<<2; 900 if (p[0] == 0) 901 /* No change, try again in a while */ 902 return; 903 904 xfer->actlen = 1; 905 xfer->status = USBD_NORMAL_COMPLETION; 906 s = splusb(); 907 xfer->device->bus->intr_context++; 908 usb_transfer_complete(xfer); 909 xfer->device->bus->intr_context--; 910 splx(s); 911 } 912 913 void 914 uhci_root_intr_done(usbd_xfer_handle xfer) 915 { 916 } 917 918 void 919 uhci_root_ctrl_done(usbd_xfer_handle xfer) 920 { 921 } 922 923 /* Add control QH, called at splusb(). */ 924 void 925 uhci_add_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 926 { 927 uhci_soft_qh_t *eqh; 928 929 SPLUSBCHECK; 930 931 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 932 eqh = sc->sc_ctl_end; 933 sqh->hlink = eqh->hlink; 934 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 935 eqh->hlink = sqh; 936 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 937 sc->sc_ctl_end = sqh; 938 } 939 940 /* Remove control QH, called at splusb(). */ 941 void 942 uhci_remove_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 943 { 944 uhci_soft_qh_t *pqh; 945 946 SPLUSBCHECK; 947 948 DPRINTFN(10, ("uhci_remove_ctrl: sqh=%p\n", sqh)); 949 /* 950 * The T bit should be set in the elink of the QH so that the HC 951 * doesn't follow the pointer. This condition may fail if the 952 * the transferred packet was short so that the QH still points 953 * at the last used TD. 954 * In this case we set the T bit and wait a little for the HC 955 * to stop looking at the TD. 956 */ 957 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 958 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 959 delay(UHCI_QH_REMOVE_DELAY); 960 } 961 962 pqh = uhci_find_prev_qh(sc->sc_ctl_start, sqh); 963 pqh->hlink = sqh->hlink; 964 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 965 delay(UHCI_QH_REMOVE_DELAY); 966 if (sc->sc_ctl_end == sqh) 967 sc->sc_ctl_end = pqh; 968 } 969 970 /* Add bulk QH, called at splusb(). */ 971 void 972 uhci_add_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 973 { 974 uhci_soft_qh_t *eqh; 975 976 SPLUSBCHECK; 977 978 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 979 eqh = sc->sc_bulk_end; 980 sqh->hlink = eqh->hlink; 981 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 982 eqh->hlink = sqh; 983 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 984 sc->sc_bulk_end = sqh; 985 } 986 987 /* Remove bulk QH, called at splusb(). */ 988 void 989 uhci_remove_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 990 { 991 uhci_soft_qh_t *pqh; 992 993 SPLUSBCHECK; 994 995 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 996 /* See comment in uhci_remove_ctrl() */ 997 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 998 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 999 delay(UHCI_QH_REMOVE_DELAY); 1000 } 1001 pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); 1002 pqh->hlink = sqh->hlink; 1003 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1004 delay(UHCI_QH_REMOVE_DELAY); 1005 if (sc->sc_bulk_end == sqh) 1006 sc->sc_bulk_end = pqh; 1007 } 1008 1009 int 1010 uhci_intr(void *arg) 1011 { 1012 uhci_softc_t *sc = arg; 1013 int status; 1014 int ack; 1015 1016 #ifdef UHCI_DEBUG 1017 if (uhcidebug > 15) { 1018 DPRINTF(("%s: uhci_intr\n", USBDEVNAME(sc->sc_bus.bdev))); 1019 uhci_dumpregs(sc); 1020 } 1021 #endif 1022 1023 if (sc->sc_suspend != PWR_RESUME) { 1024 printf("%s: interrupt while not operating ignored\n", 1025 USBDEVNAME(sc->sc_bus.bdev)); 1026 return (0); 1027 } 1028 1029 status = UREAD2(sc, UHCI_STS); 1030 if (status == 0) /* The interrupt was not for us. */ 1031 return (0); 1032 1033 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1034 if (sc->sc_suspend != PWR_RESUME) 1035 printf("uhci_intr: suspended sts=0x%x\n", status); 1036 #endif 1037 1038 ack = 0; 1039 if (status & UHCI_STS_USBINT) 1040 ack |= UHCI_STS_USBINT; 1041 if (status & UHCI_STS_USBEI) 1042 ack |= UHCI_STS_USBEI; 1043 if (status & UHCI_STS_RD) { 1044 ack |= UHCI_STS_RD; 1045 #ifdef UHCI_DEBUG 1046 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1047 #endif 1048 } 1049 if (status & UHCI_STS_HSE) { 1050 ack |= UHCI_STS_HSE; 1051 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1052 } 1053 if (status & UHCI_STS_HCPE) { 1054 ack |= UHCI_STS_HCPE; 1055 printf("%s: host controller process error\n", 1056 USBDEVNAME(sc->sc_bus.bdev)); 1057 } 1058 if (status & UHCI_STS_HCH) { 1059 /* no acknowledge needed */ 1060 printf("%s: host controller halted\n", 1061 USBDEVNAME(sc->sc_bus.bdev)); 1062 sc->sc_dying = 1; 1063 #ifdef UHCI_DEBUG 1064 uhci_dump_all(sc); 1065 #endif 1066 1067 } 1068 1069 if (ack) /* acknowledge the ints */ 1070 UWRITE2(sc, UHCI_STS, ack); 1071 else /* nothing to acknowledge */ 1072 return (0); 1073 1074 sc->sc_bus.no_intrs++; 1075 usb_schedsoftintr(&sc->sc_bus); 1076 1077 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1078 1079 return (1); 1080 } 1081 1082 void 1083 uhci_softintr(struct usbd_bus *bus) 1084 { 1085 uhci_softc_t *sc = (uhci_softc_t *)bus; 1086 uhci_intr_info_t *ii; 1087 1088 DPRINTFN(10,("%s: uhci_softintr\n", USBDEVNAME(sc->sc_bus.bdev))); 1089 1090 sc->sc_bus.intr_context++; 1091 1092 /* 1093 * Interrupts on UHCI really suck. When the host controller 1094 * interrupts because a transfer is completed there is no 1095 * way of knowing which transfer it was. You can scan down 1096 * the TDs and QHs of the previous frame to limit the search, 1097 * but that assumes that the interrupt was not delayed by more 1098 * than 1 ms, which may not always be true (e.g. after debug 1099 * output on a slow console). 1100 * We scan all interrupt descriptors to see if any have 1101 * completed. 1102 */ 1103 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1104 uhci_check_intr(sc, ii); 1105 1106 sc->sc_bus.intr_context--; 1107 } 1108 1109 /* Check for an interrupt. */ 1110 void 1111 uhci_check_intr(uhci_softc_t *sc, uhci_intr_info_t *ii) 1112 { 1113 uhci_soft_td_t *std, *lstd; 1114 u_int32_t status; 1115 1116 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1117 #ifdef DIAGNOSTIC 1118 if (ii == NULL) { 1119 printf("uhci_check_intr: no ii? %p\n", ii); 1120 return; 1121 } 1122 #endif 1123 if (ii->stdstart == NULL) 1124 return; 1125 lstd = ii->stdend; 1126 #ifdef DIAGNOSTIC 1127 if (lstd == NULL) { 1128 printf("uhci_check_intr: std==0\n"); 1129 return; 1130 } 1131 #endif 1132 /* 1133 * If the last TD is still active we need to check whether there 1134 * is a an error somewhere in the middle, or whether there was a 1135 * short packet (SPD and not ACTIVE). 1136 */ 1137 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1138 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1139 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1140 status = le32toh(std->td.td_status); 1141 /* If there's an active TD the xfer isn't done. */ 1142 if (status & UHCI_TD_ACTIVE) 1143 break; 1144 /* Any kind of error makes the xfer done. */ 1145 if (status & UHCI_TD_STALLED) 1146 goto done; 1147 /* We want short packets, and it is short: it's done */ 1148 if ((status & UHCI_TD_SPD) && 1149 UHCI_TD_GET_ACTLEN(status) < 1150 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1151 goto done; 1152 } 1153 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1154 ii, ii->stdstart)); 1155 return; 1156 } 1157 done: 1158 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1159 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1160 uhci_idone(ii); 1161 } 1162 1163 /* Called at splusb() */ 1164 void 1165 uhci_idone(uhci_intr_info_t *ii) 1166 { 1167 usbd_xfer_handle xfer = ii->xfer; 1168 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1169 uhci_soft_td_t *std; 1170 u_int32_t status = 0, nstatus; 1171 int actlen; 1172 1173 #ifdef DIAGNOSTIC 1174 { 1175 int s = splhigh(); 1176 if (ii->isdone) { 1177 splx(s); 1178 #ifdef UHCI_DEBUG 1179 printf("uhci_idone: ii is done!\n "); 1180 uhci_dump_ii(ii); 1181 #else 1182 printf("uhci_idone: ii=%p is done!\n", ii); 1183 #endif 1184 return; 1185 } 1186 ii->isdone = 1; 1187 splx(s); 1188 } 1189 #endif 1190 1191 if (xfer->status == USBD_CANCELLED || 1192 xfer->status == USBD_TIMEOUT) { 1193 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1194 return; 1195 } 1196 1197 if (xfer->nframes != 0) { 1198 /* Isoc transfer, do things differently. */ 1199 uhci_soft_td_t **stds = upipe->u.iso.stds; 1200 int i, n, nframes; 1201 1202 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1203 1204 nframes = xfer->nframes; 1205 actlen = 0; 1206 n = UXFER(xfer)->curframe; 1207 for (i = 0; i < nframes; i++) { 1208 std = stds[n]; 1209 #ifdef UHCI_DEBUG 1210 if (uhcidebug > 5) { 1211 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1212 uhci_dump_td(std); 1213 } 1214 #endif 1215 if (++n >= UHCI_VFRAMELIST_COUNT) 1216 n = 0; 1217 status = le32toh(std->td.td_status); 1218 actlen += UHCI_TD_GET_ACTLEN(status); 1219 } 1220 upipe->u.iso.inuse -= nframes; 1221 xfer->actlen = actlen; 1222 xfer->status = USBD_NORMAL_COMPLETION; 1223 usb_transfer_complete(xfer); 1224 return; 1225 } 1226 1227 #ifdef UHCI_DEBUG 1228 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1229 ii, xfer, upipe)); 1230 if (uhcidebug > 10) 1231 uhci_dump_tds(ii->stdstart); 1232 #endif 1233 1234 /* The transfer is done, compute actual length and status. */ 1235 actlen = 0; 1236 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1237 nstatus = le32toh(std->td.td_status); 1238 if (nstatus & UHCI_TD_ACTIVE) 1239 break; 1240 1241 status = nstatus; 1242 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1243 UHCI_TD_PID_SETUP) 1244 actlen += UHCI_TD_GET_ACTLEN(status); 1245 } 1246 /* If there are left over TDs we need to update the toggle. */ 1247 if (std != NULL) 1248 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1249 1250 status &= UHCI_TD_ERROR; 1251 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 1252 actlen, status)); 1253 xfer->actlen = actlen; 1254 if (status != 0) { 1255 DPRINTFN((status == UHCI_TD_STALLED)*10, 1256 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1257 "status 0x%b\n", 1258 xfer->pipe->device->address, 1259 xfer->pipe->endpoint->edesc->bEndpointAddress, 1260 (int)status, 1261 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 1262 "STALLED\30ACTIVE")); 1263 if (status == UHCI_TD_STALLED) 1264 xfer->status = USBD_STALLED; 1265 else 1266 xfer->status = USBD_IOERROR; /* more info XXX */ 1267 } else { 1268 xfer->status = USBD_NORMAL_COMPLETION; 1269 } 1270 usb_transfer_complete(xfer); 1271 } 1272 1273 /* 1274 * Called when a request does not complete. 1275 */ 1276 void 1277 uhci_timeout(void *addr) 1278 { 1279 uhci_intr_info_t *ii = addr; 1280 1281 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1282 1283 #ifdef UHCI_DEBUG 1284 if (uhcidebug > 10) 1285 uhci_dump_tds(ii->stdstart); 1286 #endif 1287 1288 ii->xfer->device->bus->intr_context++; 1289 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1290 ii->xfer->device->bus->intr_context--; 1291 } 1292 1293 /* 1294 * Wait here until controller claims to have an interrupt. 1295 * Then call uhci_intr and return. Use timeout to avoid waiting 1296 * too long. 1297 * Only used during boot when interrupts are not enabled yet. 1298 */ 1299 void 1300 uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer) 1301 { 1302 int timo = xfer->timeout; 1303 uhci_intr_info_t *ii; 1304 1305 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1306 1307 xfer->status = USBD_IN_PROGRESS; 1308 for (; timo >= 0; timo--) { 1309 usb_delay_ms(&sc->sc_bus, 1); 1310 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1311 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1312 uhci_intr(sc); 1313 if (xfer->status != USBD_IN_PROGRESS) 1314 return; 1315 } 1316 } 1317 1318 /* Timeout */ 1319 DPRINTF(("uhci_waitintr: timeout\n")); 1320 for (ii = LIST_FIRST(&sc->sc_intrhead); 1321 ii != NULL && ii->xfer != xfer; 1322 ii = LIST_NEXT(ii, list)) 1323 ; 1324 #ifdef DIAGNOSTIC 1325 if (ii == NULL) 1326 panic("uhci_waitintr: lost intr_info\n"); 1327 #endif 1328 uhci_idone(ii); 1329 } 1330 1331 void 1332 uhci_poll(struct usbd_bus *bus) 1333 { 1334 uhci_softc_t *sc = (uhci_softc_t *)bus; 1335 1336 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1337 uhci_intr(sc); 1338 } 1339 1340 #if 0 1341 void 1342 uhci_reset(uhci_softc_t *sc) 1343 { 1344 int n; 1345 1346 UHCICMD(sc, UHCI_CMD_HCRESET); 1347 /* The reset bit goes low when the controller is done. */ 1348 for (n = 0; n < UHCI_RESET_TIMEOUT && 1349 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1350 usb_delay_ms(&sc->sc_bus, 1); 1351 if (n >= UHCI_RESET_TIMEOUT) 1352 printf("%s: controller did not reset\n", 1353 USBDEVNAME(sc->sc_bus.bdev)); 1354 } 1355 #endif 1356 1357 usbd_status 1358 uhci_run(uhci_softc_t *sc, int run) 1359 { 1360 int s, n, running; 1361 u_int16_t cmd; 1362 1363 run = run != 0; 1364 s = splusb(); 1365 DPRINTF(("uhci_run: setting run=%d\n", run)); 1366 cmd = UREAD2(sc, UHCI_CMD); 1367 if (run) 1368 cmd |= UHCI_CMD_RS; 1369 else 1370 cmd &= ~UHCI_CMD_RS; 1371 UHCICMD(sc, cmd); 1372 for(n = 0; n < 10; n++) { 1373 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1374 /* return when we've entered the state we want */ 1375 if (run == running) { 1376 splx(s); 1377 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1378 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1379 return (USBD_NORMAL_COMPLETION); 1380 } 1381 usb_delay_ms(&sc->sc_bus, 1); 1382 } 1383 splx(s); 1384 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1385 run ? "start" : "stop"); 1386 return (USBD_IOERROR); 1387 } 1388 1389 /* 1390 * Memory management routines. 1391 * uhci_alloc_std allocates TDs 1392 * uhci_alloc_sqh allocates QHs 1393 * These two routines do their own free list management, 1394 * partly for speed, partly because allocating DMAable memory 1395 * has page size granularaity so much memory would be wasted if 1396 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1397 */ 1398 1399 uhci_soft_td_t * 1400 uhci_alloc_std(uhci_softc_t *sc) 1401 { 1402 uhci_soft_td_t *std; 1403 usbd_status err; 1404 int i, offs; 1405 usb_dma_t dma; 1406 1407 if (sc->sc_freetds == NULL) { 1408 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1409 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1410 UHCI_TD_ALIGN, &dma); 1411 if (err) 1412 return (0); 1413 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1414 offs = i * UHCI_STD_SIZE; 1415 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1416 std->physaddr = DMAADDR(&dma) + offs; 1417 std->link.std = sc->sc_freetds; 1418 sc->sc_freetds = std; 1419 } 1420 } 1421 std = sc->sc_freetds; 1422 sc->sc_freetds = std->link.std; 1423 memset(&std->td, 0, sizeof(uhci_td_t)); 1424 return std; 1425 } 1426 1427 void 1428 uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std) 1429 { 1430 #ifdef DIAGNOSTIC 1431 #define TD_IS_FREE 0x12345678 1432 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1433 printf("uhci_free_std: freeing free TD %p\n", std); 1434 return; 1435 } 1436 std->td.td_token = htole32(TD_IS_FREE); 1437 #endif 1438 std->link.std = sc->sc_freetds; 1439 sc->sc_freetds = std; 1440 } 1441 1442 uhci_soft_qh_t * 1443 uhci_alloc_sqh(uhci_softc_t *sc) 1444 { 1445 uhci_soft_qh_t *sqh; 1446 usbd_status err; 1447 int i, offs; 1448 usb_dma_t dma; 1449 1450 if (sc->sc_freeqhs == NULL) { 1451 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1452 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1453 UHCI_QH_ALIGN, &dma); 1454 if (err) 1455 return (0); 1456 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1457 offs = i * UHCI_SQH_SIZE; 1458 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1459 sqh->physaddr = DMAADDR(&dma) + offs; 1460 sqh->hlink = sc->sc_freeqhs; 1461 sc->sc_freeqhs = sqh; 1462 } 1463 } 1464 sqh = sc->sc_freeqhs; 1465 sc->sc_freeqhs = sqh->hlink; 1466 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1467 return (sqh); 1468 } 1469 1470 void 1471 uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1472 { 1473 sqh->hlink = sc->sc_freeqhs; 1474 sc->sc_freeqhs = sqh; 1475 } 1476 1477 void 1478 uhci_free_std_chain(uhci_softc_t *sc, uhci_soft_td_t *std, 1479 uhci_soft_td_t *stdend) 1480 { 1481 uhci_soft_td_t *p; 1482 1483 for (; std != stdend; std = p) { 1484 p = std->link.std; 1485 uhci_free_std(sc, std); 1486 } 1487 } 1488 1489 usbd_status 1490 uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len, 1491 int rd, u_int16_t flags, usb_dma_t *dma, 1492 uhci_soft_td_t **sp, uhci_soft_td_t **ep) 1493 { 1494 uhci_soft_td_t *p, *lastp; 1495 uhci_physaddr_t lastlink; 1496 int i, ntd, l, tog, maxp; 1497 u_int32_t status; 1498 int addr = upipe->pipe.device->address; 1499 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1500 1501 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1502 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1503 upipe->pipe.device->lowspeed, flags)); 1504 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1505 if (maxp == 0) { 1506 printf("uhci_alloc_std_chain: maxp=0\n"); 1507 return (USBD_INVAL); 1508 } 1509 ntd = (len + maxp - 1) / maxp; 1510 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1511 ntd++; 1512 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1513 if (ntd == 0) { 1514 *sp = *ep = 0; 1515 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1516 return (USBD_NORMAL_COMPLETION); 1517 } 1518 tog = upipe->nexttoggle; 1519 if (ntd % 2 == 0) 1520 tog ^= 1; 1521 upipe->nexttoggle = tog ^ 1; 1522 lastp = 0; 1523 lastlink = UHCI_PTR_T; 1524 ntd--; 1525 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1526 if (upipe->pipe.device->lowspeed) 1527 status |= UHCI_TD_LS; 1528 if (flags & USBD_SHORT_XFER_OK) 1529 status |= UHCI_TD_SPD; 1530 for (i = ntd; i >= 0; i--) { 1531 p = uhci_alloc_std(sc); 1532 if (p == NULL) { 1533 uhci_free_std_chain(sc, lastp, 0); 1534 return (USBD_NOMEM); 1535 } 1536 p->link.std = lastp; 1537 if (lastlink == UHCI_PTR_T) 1538 p->td.td_link = htole32(lastlink); 1539 else 1540 p->td.td_link = htole32(lastlink|UHCI_PTR_VF); 1541 lastp = p; 1542 lastlink = p->physaddr; 1543 p->td.td_status = htole32(status); 1544 if (i == ntd) { 1545 /* last TD */ 1546 l = len % maxp; 1547 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1548 l = maxp; 1549 *ep = p; 1550 } else 1551 l = maxp; 1552 p->td.td_token = 1553 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1554 UHCI_TD_OUT(l, endpt, addr, tog)); 1555 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1556 tog ^= 1; 1557 } 1558 *sp = lastp; 1559 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1560 upipe->nexttoggle)); 1561 return (USBD_NORMAL_COMPLETION); 1562 } 1563 1564 void 1565 uhci_device_clear_toggle(usbd_pipe_handle pipe) 1566 { 1567 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1568 upipe->nexttoggle = 0; 1569 } 1570 1571 void 1572 uhci_noop(usbd_pipe_handle pipe) 1573 { 1574 } 1575 1576 usbd_status 1577 uhci_device_bulk_transfer(usbd_xfer_handle xfer) 1578 { 1579 usbd_status err; 1580 1581 /* Insert last in queue. */ 1582 err = usb_insert_transfer(xfer); 1583 if (err) 1584 return (err); 1585 1586 /* 1587 * Pipe isn't running (otherwise err would be USBD_INPROG), 1588 * so start it first. 1589 */ 1590 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1591 } 1592 1593 usbd_status 1594 uhci_device_bulk_start(usbd_xfer_handle xfer) 1595 { 1596 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1597 usbd_device_handle dev = upipe->pipe.device; 1598 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1599 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1600 uhci_soft_td_t *data, *dataend; 1601 uhci_soft_qh_t *sqh; 1602 usbd_status err; 1603 int len, isread, endpt; 1604 int s; 1605 1606 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1607 xfer, xfer->length, xfer->flags)); 1608 1609 if (sc->sc_dying) 1610 return (USBD_IOERROR); 1611 1612 #ifdef DIAGNOSTIC 1613 if (xfer->rqflags & URQ_REQUEST) 1614 panic("uhci_device_bulk_transfer: a request\n"); 1615 #endif 1616 1617 len = xfer->length; 1618 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1619 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1620 sqh = upipe->u.bulk.sqh; 1621 1622 upipe->u.bulk.isread = isread; 1623 upipe->u.bulk.length = len; 1624 1625 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1626 &xfer->dmabuf, &data, &dataend); 1627 if (err) 1628 return (err); 1629 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1630 1631 #ifdef UHCI_DEBUG 1632 if (uhcidebug > 8) { 1633 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1634 uhci_dump_tds(data); 1635 } 1636 #endif 1637 1638 /* Set up interrupt info. */ 1639 ii->xfer = xfer; 1640 ii->stdstart = data; 1641 ii->stdend = dataend; 1642 #ifdef DIAGNOSTIC 1643 if (!ii->isdone) { 1644 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1645 } 1646 ii->isdone = 0; 1647 #endif 1648 1649 sqh->elink = data; 1650 sqh->qh.qh_elink = htole32(data->physaddr); 1651 1652 s = splusb(); 1653 uhci_add_bulk(sc, sqh); 1654 uhci_add_intr_info(sc, ii); 1655 1656 if (xfer->timeout && !sc->sc_bus.use_polling) { 1657 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1658 uhci_timeout, ii); 1659 } 1660 xfer->status = USBD_IN_PROGRESS; 1661 splx(s); 1662 1663 #ifdef UHCI_DEBUG 1664 if (uhcidebug > 10) { 1665 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1666 uhci_dump_tds(data); 1667 } 1668 #endif 1669 1670 if (sc->sc_bus.use_polling) 1671 uhci_waitintr(sc, xfer); 1672 1673 return (USBD_IN_PROGRESS); 1674 } 1675 1676 /* Abort a device bulk request. */ 1677 void 1678 uhci_device_bulk_abort(usbd_xfer_handle xfer) 1679 { 1680 DPRINTF(("uhci_device_bulk_abort:\n")); 1681 uhci_abort_xfer(xfer, USBD_CANCELLED); 1682 } 1683 1684 /* 1685 * XXX This way of aborting is neither safe, nor good. 1686 * But it will have to do until I figure out what to do. 1687 * I apologize for the delay(). 1688 */ 1689 void 1690 uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status) 1691 { 1692 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1693 uhci_soft_td_t *std; 1694 int s; 1695 1696 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1697 1698 s = splusb(); 1699 1700 /* Transfer is already done. */ 1701 if (xfer->status != USBD_NOT_STARTED && 1702 xfer->status != USBD_IN_PROGRESS) { 1703 splx(s); 1704 return; 1705 } 1706 1707 /* Make interrupt routine ignore it, */ 1708 xfer->status = status; 1709 1710 /* don't timeout, */ 1711 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1712 1713 /* make hardware ignore it, */ 1714 for (std = ii->stdstart; std != NULL; std = std->link.std) 1715 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1716 1717 xfer->hcpriv = ii; 1718 1719 splx(s); 1720 1721 delay(1000); 1722 1723 s = splusb(); 1724 #ifdef DIAGNOSTIC 1725 ii->isdone = 1; 1726 #endif 1727 usb_transfer_complete(xfer); 1728 splx(s); 1729 } 1730 1731 /* Close a device bulk pipe. */ 1732 void 1733 uhci_device_bulk_close(usbd_pipe_handle pipe) 1734 { 1735 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1736 usbd_device_handle dev = upipe->pipe.device; 1737 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1738 1739 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1740 } 1741 1742 usbd_status 1743 uhci_device_ctrl_transfer(usbd_xfer_handle xfer) 1744 { 1745 usbd_status err; 1746 1747 /* Insert last in queue. */ 1748 err = usb_insert_transfer(xfer); 1749 if (err) 1750 return (err); 1751 1752 /* 1753 * Pipe isn't running (otherwise err would be USBD_INPROG), 1754 * so start it first. 1755 */ 1756 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1757 } 1758 1759 usbd_status 1760 uhci_device_ctrl_start(usbd_xfer_handle xfer) 1761 { 1762 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1763 usbd_status err; 1764 1765 if (sc->sc_dying) 1766 return (USBD_IOERROR); 1767 1768 #ifdef DIAGNOSTIC 1769 if (!(xfer->rqflags & URQ_REQUEST)) 1770 panic("uhci_device_ctrl_transfer: not a request\n"); 1771 #endif 1772 1773 err = uhci_device_request(xfer); 1774 if (err) 1775 return (err); 1776 1777 if (sc->sc_bus.use_polling) 1778 uhci_waitintr(sc, xfer); 1779 return (USBD_IN_PROGRESS); 1780 } 1781 1782 usbd_status 1783 uhci_device_intr_transfer(usbd_xfer_handle xfer) 1784 { 1785 usbd_status err; 1786 1787 /* Insert last in queue. */ 1788 err = usb_insert_transfer(xfer); 1789 if (err) 1790 return (err); 1791 1792 /* 1793 * Pipe isn't running (otherwise err would be USBD_INPROG), 1794 * so start it first. 1795 */ 1796 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1797 } 1798 1799 usbd_status 1800 uhci_device_intr_start(usbd_xfer_handle xfer) 1801 { 1802 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1803 usbd_device_handle dev = upipe->pipe.device; 1804 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1805 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1806 uhci_soft_td_t *data, *dataend; 1807 uhci_soft_qh_t *sqh; 1808 usbd_status err; 1809 int i, s; 1810 1811 if (sc->sc_dying) 1812 return (USBD_IOERROR); 1813 1814 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1815 xfer, xfer->length, xfer->flags)); 1816 1817 #ifdef DIAGNOSTIC 1818 if (xfer->rqflags & URQ_REQUEST) 1819 panic("uhci_device_intr_transfer: a request\n"); 1820 #endif 1821 1822 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 1823 &xfer->dmabuf, &data, &dataend); 1824 if (err) 1825 return (err); 1826 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1827 1828 #ifdef UHCI_DEBUG 1829 if (uhcidebug > 10) { 1830 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 1831 uhci_dump_tds(data); 1832 uhci_dump_qh(upipe->u.intr.qhs[0]); 1833 } 1834 #endif 1835 1836 s = splusb(); 1837 /* Set up interrupt info. */ 1838 ii->xfer = xfer; 1839 ii->stdstart = data; 1840 ii->stdend = dataend; 1841 #ifdef DIAGNOSTIC 1842 if (!ii->isdone) { 1843 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 1844 } 1845 ii->isdone = 0; 1846 #endif 1847 1848 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1849 upipe->u.intr.qhs[0])); 1850 for (i = 0; i < upipe->u.intr.npoll; i++) { 1851 sqh = upipe->u.intr.qhs[i]; 1852 sqh->elink = data; 1853 sqh->qh.qh_elink = htole32(data->physaddr); 1854 } 1855 uhci_add_intr_info(sc, ii); 1856 xfer->status = USBD_IN_PROGRESS; 1857 splx(s); 1858 1859 #ifdef UHCI_DEBUG 1860 if (uhcidebug > 10) { 1861 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 1862 uhci_dump_tds(data); 1863 uhci_dump_qh(upipe->u.intr.qhs[0]); 1864 } 1865 #endif 1866 1867 return (USBD_IN_PROGRESS); 1868 } 1869 1870 /* Abort a device control request. */ 1871 void 1872 uhci_device_ctrl_abort(usbd_xfer_handle xfer) 1873 { 1874 DPRINTF(("uhci_device_ctrl_abort:\n")); 1875 uhci_abort_xfer(xfer, USBD_CANCELLED); 1876 } 1877 1878 /* Close a device control pipe. */ 1879 void 1880 uhci_device_ctrl_close(usbd_pipe_handle pipe) 1881 { 1882 } 1883 1884 /* Abort a device interrupt request. */ 1885 void 1886 uhci_device_intr_abort(usbd_xfer_handle xfer) 1887 { 1888 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 1889 if (xfer->pipe->intrxfer == xfer) { 1890 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1891 xfer->pipe->intrxfer = 0; 1892 } 1893 uhci_abort_xfer(xfer, USBD_CANCELLED); 1894 } 1895 1896 /* Close a device interrupt pipe. */ 1897 void 1898 uhci_device_intr_close(usbd_pipe_handle pipe) 1899 { 1900 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1901 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1902 int i, npoll; 1903 int s; 1904 1905 /* Unlink descriptors from controller data structures. */ 1906 npoll = upipe->u.intr.npoll; 1907 s = splusb(); 1908 for (i = 0; i < npoll; i++) 1909 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 1910 splx(s); 1911 1912 /* 1913 * We now have to wait for any activity on the physical 1914 * descriptors to stop. 1915 */ 1916 usb_delay_ms(&sc->sc_bus, 2); 1917 1918 for(i = 0; i < npoll; i++) 1919 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1920 free(upipe->u.intr.qhs, M_USBHC); 1921 1922 /* XXX free other resources */ 1923 } 1924 1925 usbd_status 1926 uhci_device_request(usbd_xfer_handle xfer) 1927 { 1928 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1929 usb_device_request_t *req = &xfer->request; 1930 usbd_device_handle dev = upipe->pipe.device; 1931 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1932 int addr = dev->address; 1933 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1934 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1935 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 1936 uhci_soft_qh_t *sqh; 1937 int len; 1938 u_int32_t ls; 1939 usbd_status err; 1940 int isread; 1941 int s; 1942 1943 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1944 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1945 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1946 UGETW(req->wIndex), UGETW(req->wLength), 1947 addr, endpt)); 1948 1949 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1950 isread = req->bmRequestType & UT_READ; 1951 len = UGETW(req->wLength); 1952 1953 setup = upipe->u.ctl.setup; 1954 stat = upipe->u.ctl.stat; 1955 sqh = upipe->u.ctl.sqh; 1956 1957 /* Set up data transaction */ 1958 if (len != 0) { 1959 upipe->nexttoggle = 1; 1960 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1961 &xfer->dmabuf, &data, &dataend); 1962 if (err) 1963 return (err); 1964 next = data; 1965 dataend->link.std = stat; 1966 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF); 1967 } else { 1968 next = stat; 1969 } 1970 upipe->u.ctl.length = len; 1971 1972 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 1973 1974 setup->link.std = next; 1975 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF); 1976 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 1977 UHCI_TD_ACTIVE); 1978 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 1979 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 1980 1981 stat->link.std = NULL; 1982 stat->td.td_link = htole32(UHCI_PTR_T); 1983 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 1984 UHCI_TD_ACTIVE | UHCI_TD_IOC); 1985 stat->td.td_token = 1986 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 1987 UHCI_TD_IN (0, endpt, addr, 1)); 1988 stat->td.td_buffer = htole32(0); 1989 1990 #ifdef UHCI_DEBUG 1991 if (uhcidebug > 10) { 1992 DPRINTF(("uhci_device_request: before transfer\n")); 1993 uhci_dump_tds(setup); 1994 } 1995 #endif 1996 1997 /* Set up interrupt info. */ 1998 ii->xfer = xfer; 1999 ii->stdstart = setup; 2000 ii->stdend = stat; 2001 #ifdef DIAGNOSTIC 2002 if (!ii->isdone) { 2003 printf("uhci_device_request: not done, ii=%p\n", ii); 2004 } 2005 ii->isdone = 0; 2006 #endif 2007 2008 sqh->elink = setup; 2009 sqh->qh.qh_elink = htole32(setup->physaddr); 2010 2011 s = splusb(); 2012 uhci_add_ctrl(sc, sqh); 2013 uhci_add_intr_info(sc, ii); 2014 #ifdef UHCI_DEBUG 2015 if (uhcidebug > 12) { 2016 uhci_soft_td_t *std; 2017 uhci_soft_qh_t *xqh; 2018 uhci_soft_qh_t *sxqh; 2019 int maxqh = 0; 2020 uhci_physaddr_t link; 2021 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2022 for (std = sc->sc_vframes[0].htd, link = 0; 2023 (link & UHCI_PTR_Q) == 0; 2024 std = std->link.std) { 2025 link = le32toh(std->td.td_link); 2026 uhci_dump_td(std); 2027 } 2028 sxqh = (uhci_soft_qh_t *)std; 2029 uhci_dump_qh(sxqh); 2030 for (xqh = sxqh; 2031 xqh != NULL; 2032 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 2033 xqh->hlink==xqh ? NULL : xqh->hlink)) { 2034 uhci_dump_qh(xqh); 2035 } 2036 DPRINTF(("Enqueued QH:\n")); 2037 uhci_dump_qh(sqh); 2038 uhci_dump_tds(sqh->elink); 2039 } 2040 #endif 2041 if (xfer->timeout && !sc->sc_bus.use_polling) { 2042 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2043 uhci_timeout, ii); 2044 } 2045 xfer->status = USBD_IN_PROGRESS; 2046 splx(s); 2047 2048 return (USBD_NORMAL_COMPLETION); 2049 } 2050 2051 usbd_status 2052 uhci_device_isoc_transfer(usbd_xfer_handle xfer) 2053 { 2054 usbd_status err; 2055 2056 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2057 2058 /* Put it on our queue, */ 2059 err = usb_insert_transfer(xfer); 2060 2061 /* bail out on error, */ 2062 if (err && err != USBD_IN_PROGRESS) 2063 return (err); 2064 2065 /* XXX should check inuse here */ 2066 2067 /* insert into schedule, */ 2068 uhci_device_isoc_enter(xfer); 2069 2070 /* and start if the pipe wasn't running */ 2071 if (!err) 2072 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2073 2074 return (err); 2075 } 2076 2077 void 2078 uhci_device_isoc_enter(usbd_xfer_handle xfer) 2079 { 2080 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2081 usbd_device_handle dev = upipe->pipe.device; 2082 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2083 struct iso *iso = &upipe->u.iso; 2084 uhci_soft_td_t *std; 2085 u_int32_t buf, len, status; 2086 int s, i, next, nframes; 2087 2088 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2089 "nframes=%d\n", 2090 iso->inuse, iso->next, xfer, xfer->nframes)); 2091 2092 if (sc->sc_dying) 2093 return; 2094 2095 if (xfer->status == USBD_IN_PROGRESS) { 2096 /* This request has already been entered into the frame list */ 2097 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2098 /* XXX */ 2099 } 2100 2101 #ifdef DIAGNOSTIC 2102 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2103 printf("uhci_device_isoc_enter: overflow!\n"); 2104 #endif 2105 2106 next = iso->next; 2107 if (next == -1) { 2108 /* Not in use yet, schedule it a few frames ahead. */ 2109 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2110 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2111 } 2112 2113 xfer->status = USBD_IN_PROGRESS; 2114 UXFER(xfer)->curframe = next; 2115 2116 buf = DMAADDR(&xfer->dmabuf); 2117 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2118 UHCI_TD_ACTIVE | 2119 UHCI_TD_IOS); 2120 nframes = xfer->nframes; 2121 s = splusb(); 2122 for (i = 0; i < nframes; i++) { 2123 std = iso->stds[next]; 2124 if (++next >= UHCI_VFRAMELIST_COUNT) 2125 next = 0; 2126 len = xfer->frlengths[i]; 2127 std->td.td_buffer = htole32(buf); 2128 if (i == nframes - 1) 2129 status |= UHCI_TD_IOC; 2130 std->td.td_status = htole32(status); 2131 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2132 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2133 #ifdef UHCI_DEBUG 2134 if (uhcidebug > 5) { 2135 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2136 uhci_dump_td(std); 2137 } 2138 #endif 2139 buf += len; 2140 } 2141 iso->next = next; 2142 iso->inuse += xfer->nframes; 2143 2144 splx(s); 2145 } 2146 2147 usbd_status 2148 uhci_device_isoc_start(usbd_xfer_handle xfer) 2149 { 2150 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2151 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2152 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2153 uhci_soft_td_t *end; 2154 int s, i; 2155 2156 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2157 2158 if (sc->sc_dying) 2159 return (USBD_IOERROR); 2160 2161 #ifdef DIAGNOSTIC 2162 if (xfer->status != USBD_IN_PROGRESS) 2163 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2164 #endif 2165 2166 /* Find the last TD */ 2167 i = UXFER(xfer)->curframe + xfer->nframes; 2168 if (i >= UHCI_VFRAMELIST_COUNT) 2169 i -= UHCI_VFRAMELIST_COUNT; 2170 end = upipe->u.iso.stds[i]; 2171 2172 #ifdef DIAGNOSTIC 2173 if (end == NULL) { 2174 printf("uhci_device_isoc_start: end == NULL\n"); 2175 return (USBD_INVAL); 2176 } 2177 #endif 2178 2179 s = splusb(); 2180 2181 /* Set up interrupt info. */ 2182 ii->xfer = xfer; 2183 ii->stdstart = end; 2184 ii->stdend = end; 2185 #ifdef DIAGNOSTIC 2186 if (!ii->isdone) 2187 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2188 ii->isdone = 0; 2189 #endif 2190 uhci_add_intr_info(sc, ii); 2191 2192 splx(s); 2193 2194 return (USBD_IN_PROGRESS); 2195 } 2196 2197 void 2198 uhci_device_isoc_abort(usbd_xfer_handle xfer) 2199 { 2200 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2201 uhci_soft_td_t **stds = upipe->u.iso.stds; 2202 uhci_soft_td_t *std; 2203 int i, n, s, nframes, maxlen, len; 2204 2205 s = splusb(); 2206 2207 /* Transfer is already done. */ 2208 if (xfer->status != USBD_NOT_STARTED && 2209 xfer->status != USBD_IN_PROGRESS) { 2210 splx(s); 2211 return; 2212 } 2213 2214 /* Give xfer the requested abort code. */ 2215 xfer->status = USBD_CANCELLED; 2216 2217 /* make hardware ignore it, */ 2218 nframes = xfer->nframes; 2219 n = UXFER(xfer)->curframe; 2220 maxlen = 0; 2221 for (i = 0; i < nframes; i++) { 2222 std = stds[n]; 2223 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2224 len = UHCI_TD_GET_MAXLEN(std->td.td_token); 2225 if (len > maxlen) 2226 maxlen = len; 2227 if (++n >= UHCI_VFRAMELIST_COUNT) 2228 n = 0; 2229 } 2230 2231 /* and wait until we are sure the hardware has finished. */ 2232 delay(maxlen); 2233 2234 #ifdef DIAGNOSTIC 2235 UXFER(xfer)->iinfo.isdone = 1; 2236 #endif 2237 /* Run callback and remove from interrupt list. */ 2238 usb_transfer_complete(xfer); 2239 2240 splx(s); 2241 } 2242 2243 void 2244 uhci_device_isoc_close(usbd_pipe_handle pipe) 2245 { 2246 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2247 usbd_device_handle dev = upipe->pipe.device; 2248 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2249 uhci_soft_td_t *std, *vstd; 2250 struct iso *iso; 2251 int i, s; 2252 2253 /* 2254 * Make sure all TDs are marked as inactive. 2255 * Wait for completion. 2256 * Unschedule. 2257 * Deallocate. 2258 */ 2259 iso = &upipe->u.iso; 2260 2261 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2262 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2263 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2264 2265 s = splusb(); 2266 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2267 std = iso->stds[i]; 2268 for (vstd = sc->sc_vframes[i].htd; 2269 vstd != NULL && vstd->link.std != std; 2270 vstd = vstd->link.std) 2271 ; 2272 if (vstd == NULL) { 2273 /*panic*/ 2274 printf("uhci_device_isoc_close: %p not found\n", std); 2275 splx(s); 2276 return; 2277 } 2278 vstd->link = std->link; 2279 vstd->td.td_link = std->td.td_link; 2280 uhci_free_std(sc, std); 2281 } 2282 splx(s); 2283 2284 free(iso->stds, M_USBHC); 2285 } 2286 2287 usbd_status 2288 uhci_setup_isoc(usbd_pipe_handle pipe) 2289 { 2290 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2291 usbd_device_handle dev = upipe->pipe.device; 2292 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2293 int addr = upipe->pipe.device->address; 2294 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2295 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2296 uhci_soft_td_t *std, *vstd; 2297 u_int32_t token; 2298 struct iso *iso; 2299 int i, s; 2300 2301 iso = &upipe->u.iso; 2302 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2303 M_USBHC, M_WAITOK); 2304 2305 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2306 UHCI_TD_OUT(0, endpt, addr, 0); 2307 2308 /* Allocate the TDs and mark as inactive; */ 2309 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2310 std = uhci_alloc_std(sc); 2311 if (std == 0) 2312 goto bad; 2313 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2314 std->td.td_token = htole32(token); 2315 iso->stds[i] = std; 2316 } 2317 2318 /* Insert TDs into schedule. */ 2319 s = splusb(); 2320 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2321 std = iso->stds[i]; 2322 vstd = sc->sc_vframes[i].htd; 2323 std->link = vstd->link; 2324 std->td.td_link = vstd->td.td_link; 2325 vstd->link.std = std; 2326 vstd->td.td_link = htole32(std->physaddr); 2327 } 2328 splx(s); 2329 2330 iso->next = -1; 2331 iso->inuse = 0; 2332 2333 return (USBD_NORMAL_COMPLETION); 2334 2335 bad: 2336 while (--i >= 0) 2337 uhci_free_std(sc, iso->stds[i]); 2338 free(iso->stds, M_USBHC); 2339 return (USBD_NOMEM); 2340 } 2341 2342 void 2343 uhci_device_isoc_done(usbd_xfer_handle xfer) 2344 { 2345 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2346 2347 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2348 2349 if (ii->xfer != xfer) 2350 /* Not on interrupt list, ignore it. */ 2351 return; 2352 2353 #ifdef DIAGNOSTIC 2354 if (xfer->busy_free != XFER_BUSY) { 2355 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2356 xfer, xfer->busy_free); 2357 return; 2358 } 2359 2360 if (ii->stdend == NULL) { 2361 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2362 #ifdef UHCI_DEBUG 2363 uhci_dump_ii(ii); 2364 #endif 2365 return; 2366 } 2367 #endif 2368 2369 /* Turn off the interrupt since it is active even if the TD is not. */ 2370 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2371 2372 uhci_del_intr_info(ii); /* remove from active list */ 2373 } 2374 2375 void 2376 uhci_device_intr_done(usbd_xfer_handle xfer) 2377 { 2378 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2379 uhci_softc_t *sc = ii->sc; 2380 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2381 uhci_soft_qh_t *sqh; 2382 int i, npoll; 2383 2384 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2385 2386 npoll = upipe->u.intr.npoll; 2387 for(i = 0; i < npoll; i++) { 2388 sqh = upipe->u.intr.qhs[i]; 2389 sqh->elink = 0; 2390 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2391 } 2392 uhci_free_std_chain(sc, ii->stdstart, 0); 2393 2394 /* XXX Wasteful. */ 2395 if (xfer->pipe->repeat) { 2396 uhci_soft_td_t *data, *dataend; 2397 2398 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2399 2400 /* This alloc cannot fail since we freed the chain above. */ 2401 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2402 &xfer->dmabuf, &data, &dataend); 2403 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2404 2405 #ifdef UHCI_DEBUG 2406 if (uhcidebug > 10) { 2407 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2408 uhci_dump_tds(data); 2409 uhci_dump_qh(upipe->u.intr.qhs[0]); 2410 } 2411 #endif 2412 2413 ii->stdstart = data; 2414 ii->stdend = dataend; 2415 #ifdef DIAGNOSTIC 2416 if (!ii->isdone) { 2417 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2418 } 2419 ii->isdone = 0; 2420 #endif 2421 for (i = 0; i < npoll; i++) { 2422 sqh = upipe->u.intr.qhs[i]; 2423 sqh->elink = data; 2424 sqh->qh.qh_elink = htole32(data->physaddr); 2425 } 2426 xfer->status = USBD_IN_PROGRESS; 2427 /* The ii is already on the examined list, just leave it. */ 2428 } else { 2429 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2430 uhci_del_intr_info(ii); 2431 } 2432 } 2433 2434 /* Deallocate request data structures */ 2435 void 2436 uhci_device_ctrl_done(usbd_xfer_handle xfer) 2437 { 2438 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2439 uhci_softc_t *sc = ii->sc; 2440 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2441 2442 #ifdef DIAGNOSTIC 2443 if (!(xfer->rqflags & URQ_REQUEST)) 2444 panic("uhci_ctrl_done: not a request\n"); 2445 #endif 2446 2447 uhci_del_intr_info(ii); /* remove from active list */ 2448 2449 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2450 2451 if (upipe->u.ctl.length != 0) 2452 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2453 2454 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2455 } 2456 2457 /* Deallocate request data structures */ 2458 void 2459 uhci_device_bulk_done(usbd_xfer_handle xfer) 2460 { 2461 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2462 uhci_softc_t *sc = ii->sc; 2463 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2464 2465 uhci_del_intr_info(ii); /* remove from active list */ 2466 2467 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2468 2469 uhci_free_std_chain(sc, ii->stdstart, 0); 2470 2471 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2472 } 2473 2474 /* Add interrupt QH, called with vflock. */ 2475 void 2476 uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2477 { 2478 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2479 uhci_soft_qh_t *eqh; 2480 2481 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2482 2483 eqh = vf->eqh; 2484 sqh->hlink = eqh->hlink; 2485 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2486 eqh->hlink = sqh; 2487 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 2488 vf->eqh = sqh; 2489 vf->bandwidth++; 2490 } 2491 2492 /* Remove interrupt QH. */ 2493 void 2494 uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2495 { 2496 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2497 uhci_soft_qh_t *pqh; 2498 2499 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2500 2501 /* See comment in uhci_remove_ctrl() */ 2502 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 2503 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2504 delay(UHCI_QH_REMOVE_DELAY); 2505 } 2506 2507 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2508 pqh->hlink = sqh->hlink; 2509 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2510 delay(UHCI_QH_REMOVE_DELAY); 2511 if (vf->eqh == sqh) 2512 vf->eqh = pqh; 2513 vf->bandwidth--; 2514 } 2515 2516 usbd_status 2517 uhci_device_setintr(uhci_softc_t *sc, struct uhci_pipe *upipe, int ival) 2518 { 2519 uhci_soft_qh_t *sqh; 2520 int i, npoll, s; 2521 u_int bestbw, bw, bestoffs, offs; 2522 2523 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2524 if (ival == 0) { 2525 printf("uhci_setintr: 0 interval\n"); 2526 return (USBD_INVAL); 2527 } 2528 2529 if (ival > UHCI_VFRAMELIST_COUNT) 2530 ival = UHCI_VFRAMELIST_COUNT; 2531 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2532 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2533 2534 upipe->u.intr.npoll = npoll; 2535 upipe->u.intr.qhs = 2536 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2537 2538 /* 2539 * Figure out which offset in the schedule that has most 2540 * bandwidth left over. 2541 */ 2542 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2543 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2544 for (bw = i = 0; i < npoll; i++) 2545 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2546 if (bw < bestbw) { 2547 bestbw = bw; 2548 bestoffs = offs; 2549 } 2550 } 2551 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2552 2553 for(i = 0; i < npoll; i++) { 2554 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2555 sqh->elink = 0; 2556 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2557 sqh->pos = MOD(i * ival + bestoffs); 2558 } 2559 #undef MOD 2560 2561 s = splusb(); 2562 /* Enter QHs into the controller data structures. */ 2563 for(i = 0; i < npoll; i++) 2564 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2565 splx(s); 2566 2567 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2568 return (USBD_NORMAL_COMPLETION); 2569 } 2570 2571 /* Open a new pipe. */ 2572 usbd_status 2573 uhci_open(usbd_pipe_handle pipe) 2574 { 2575 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2576 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2577 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2578 usbd_status err; 2579 int ival; 2580 2581 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2582 pipe, pipe->device->address, 2583 ed->bEndpointAddress, sc->sc_addr)); 2584 2585 upipe->aborting = 0; 2586 upipe->nexttoggle = 0; 2587 2588 if (pipe->device->address == sc->sc_addr) { 2589 switch (ed->bEndpointAddress) { 2590 case USB_CONTROL_ENDPOINT: 2591 pipe->methods = &uhci_root_ctrl_methods; 2592 break; 2593 case UE_DIR_IN | UHCI_INTR_ENDPT: 2594 pipe->methods = &uhci_root_intr_methods; 2595 break; 2596 default: 2597 return (USBD_INVAL); 2598 } 2599 } else { 2600 switch (ed->bmAttributes & UE_XFERTYPE) { 2601 case UE_CONTROL: 2602 pipe->methods = &uhci_device_ctrl_methods; 2603 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2604 if (upipe->u.ctl.sqh == NULL) 2605 goto bad; 2606 upipe->u.ctl.setup = uhci_alloc_std(sc); 2607 if (upipe->u.ctl.setup == NULL) { 2608 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2609 goto bad; 2610 } 2611 upipe->u.ctl.stat = uhci_alloc_std(sc); 2612 if (upipe->u.ctl.stat == NULL) { 2613 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2614 uhci_free_std(sc, upipe->u.ctl.setup); 2615 goto bad; 2616 } 2617 err = usb_allocmem(&sc->sc_bus, 2618 sizeof(usb_device_request_t), 2619 0, &upipe->u.ctl.reqdma); 2620 if (err) { 2621 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2622 uhci_free_std(sc, upipe->u.ctl.setup); 2623 uhci_free_std(sc, upipe->u.ctl.stat); 2624 goto bad; 2625 } 2626 break; 2627 case UE_INTERRUPT: 2628 pipe->methods = &uhci_device_intr_methods; 2629 ival = pipe->interval; 2630 if (ival == USBD_DEFAULT_INTERVAL) 2631 ival = ed->bInterval; 2632 return (uhci_device_setintr(sc, upipe, ival)); 2633 case UE_ISOCHRONOUS: 2634 pipe->methods = &uhci_device_isoc_methods; 2635 return (uhci_setup_isoc(pipe)); 2636 case UE_BULK: 2637 pipe->methods = &uhci_device_bulk_methods; 2638 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2639 if (upipe->u.bulk.sqh == NULL) 2640 goto bad; 2641 break; 2642 } 2643 } 2644 return (USBD_NORMAL_COMPLETION); 2645 2646 bad: 2647 return (USBD_NOMEM); 2648 } 2649 2650 /* 2651 * Data structures and routines to emulate the root hub. 2652 */ 2653 usb_device_descriptor_t uhci_devd = { 2654 USB_DEVICE_DESCRIPTOR_SIZE, 2655 UDESC_DEVICE, /* type */ 2656 {0x00, 0x01}, /* USB version */ 2657 UDCLASS_HUB, /* class */ 2658 UDSUBCLASS_HUB, /* subclass */ 2659 0, /* protocol */ 2660 64, /* max packet */ 2661 {0},{0},{0x00,0x01}, /* device id */ 2662 1,2,0, /* string indicies */ 2663 1 /* # of configurations */ 2664 }; 2665 2666 usb_config_descriptor_t uhci_confd = { 2667 USB_CONFIG_DESCRIPTOR_SIZE, 2668 UDESC_CONFIG, 2669 {USB_CONFIG_DESCRIPTOR_SIZE + 2670 USB_INTERFACE_DESCRIPTOR_SIZE + 2671 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2672 1, 2673 1, 2674 0, 2675 UC_SELF_POWERED, 2676 0 /* max power */ 2677 }; 2678 2679 usb_interface_descriptor_t uhci_ifcd = { 2680 USB_INTERFACE_DESCRIPTOR_SIZE, 2681 UDESC_INTERFACE, 2682 0, 2683 0, 2684 1, 2685 UICLASS_HUB, 2686 UISUBCLASS_HUB, 2687 0, 2688 0 2689 }; 2690 2691 usb_endpoint_descriptor_t uhci_endpd = { 2692 USB_ENDPOINT_DESCRIPTOR_SIZE, 2693 UDESC_ENDPOINT, 2694 UE_DIR_IN | UHCI_INTR_ENDPT, 2695 UE_INTERRUPT, 2696 {8}, 2697 255 2698 }; 2699 2700 usb_hub_descriptor_t uhci_hubd_piix = { 2701 USB_HUB_DESCRIPTOR_SIZE, 2702 UDESC_HUB, 2703 2, 2704 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2705 50, /* power on to power good */ 2706 0, 2707 { 0x00 }, /* both ports are removable */ 2708 }; 2709 2710 int 2711 uhci_str(usb_string_descriptor_t *p, int l, char *s) 2712 { 2713 int i; 2714 2715 if (l == 0) 2716 return (0); 2717 p->bLength = 2 * strlen(s) + 2; 2718 if (l == 1) 2719 return (1); 2720 p->bDescriptorType = UDESC_STRING; 2721 l -= 2; 2722 for (i = 0; s[i] && l > 1; i++, l -= 2) 2723 USETW2(p->bString[i], 0, s[i]); 2724 return (2*i+2); 2725 } 2726 2727 /* 2728 * Simulate a hardware hub by handling all the necessary requests. 2729 */ 2730 usbd_status 2731 uhci_root_ctrl_transfer(usbd_xfer_handle xfer) 2732 { 2733 usbd_status err; 2734 2735 /* Insert last in queue. */ 2736 err = usb_insert_transfer(xfer); 2737 if (err) 2738 return (err); 2739 2740 /* 2741 * Pipe isn't running (otherwise err would be USBD_INPROG), 2742 * so start it first. 2743 */ 2744 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2745 } 2746 2747 usbd_status 2748 uhci_root_ctrl_start(usbd_xfer_handle xfer) 2749 { 2750 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2751 usb_device_request_t *req; 2752 void *buf = NULL; 2753 int port, x; 2754 int s, len, value, index, status, change, l, totlen = 0; 2755 usb_port_status_t ps; 2756 usbd_status err; 2757 2758 if (sc->sc_dying) 2759 return (USBD_IOERROR); 2760 2761 #ifdef DIAGNOSTIC 2762 if (!(xfer->rqflags & URQ_REQUEST)) 2763 panic("uhci_root_ctrl_transfer: not a request\n"); 2764 #endif 2765 req = &xfer->request; 2766 2767 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2768 req->bmRequestType, req->bRequest)); 2769 2770 len = UGETW(req->wLength); 2771 value = UGETW(req->wValue); 2772 index = UGETW(req->wIndex); 2773 2774 if (len != 0) 2775 buf = KERNADDR(&xfer->dmabuf); 2776 2777 #define C(x,y) ((x) | ((y) << 8)) 2778 switch(C(req->bRequest, req->bmRequestType)) { 2779 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2780 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2781 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2782 /* 2783 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2784 * for the integrated root hub. 2785 */ 2786 break; 2787 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2788 if (len > 0) { 2789 *(u_int8_t *)buf = sc->sc_conf; 2790 totlen = 1; 2791 } 2792 break; 2793 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2794 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2795 switch(value >> 8) { 2796 case UDESC_DEVICE: 2797 if ((value & 0xff) != 0) { 2798 err = USBD_IOERROR; 2799 goto ret; 2800 } 2801 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2802 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2803 memcpy(buf, &uhci_devd, l); 2804 break; 2805 case UDESC_CONFIG: 2806 if ((value & 0xff) != 0) { 2807 err = USBD_IOERROR; 2808 goto ret; 2809 } 2810 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2811 memcpy(buf, &uhci_confd, l); 2812 buf = (char *)buf + l; 2813 len -= l; 2814 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2815 totlen += l; 2816 memcpy(buf, &uhci_ifcd, l); 2817 buf = (char *)buf + l; 2818 len -= l; 2819 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2820 totlen += l; 2821 memcpy(buf, &uhci_endpd, l); 2822 break; 2823 case UDESC_STRING: 2824 if (len == 0) 2825 break; 2826 *(u_int8_t *)buf = 0; 2827 totlen = 1; 2828 switch (value & 0xff) { 2829 case 1: /* Vendor */ 2830 totlen = uhci_str(buf, len, sc->sc_vendor); 2831 break; 2832 case 2: /* Product */ 2833 totlen = uhci_str(buf, len, "UHCI root hub"); 2834 break; 2835 } 2836 break; 2837 default: 2838 err = USBD_IOERROR; 2839 goto ret; 2840 } 2841 break; 2842 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2843 if (len > 0) { 2844 *(u_int8_t *)buf = 0; 2845 totlen = 1; 2846 } 2847 break; 2848 case C(UR_GET_STATUS, UT_READ_DEVICE): 2849 if (len > 1) { 2850 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2851 totlen = 2; 2852 } 2853 break; 2854 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2855 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2856 if (len > 1) { 2857 USETW(((usb_status_t *)buf)->wStatus, 0); 2858 totlen = 2; 2859 } 2860 break; 2861 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2862 if (value >= USB_MAX_DEVICES) { 2863 err = USBD_IOERROR; 2864 goto ret; 2865 } 2866 sc->sc_addr = value; 2867 break; 2868 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2869 if (value != 0 && value != 1) { 2870 err = USBD_IOERROR; 2871 goto ret; 2872 } 2873 sc->sc_conf = value; 2874 break; 2875 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2876 break; 2877 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2878 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2879 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2880 err = USBD_IOERROR; 2881 goto ret; 2882 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2883 break; 2884 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2885 break; 2886 /* Hub requests */ 2887 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2888 break; 2889 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2890 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2891 "port=%d feature=%d\n", 2892 index, value)); 2893 if (index == 1) 2894 port = UHCI_PORTSC1; 2895 else if (index == 2) 2896 port = UHCI_PORTSC2; 2897 else { 2898 err = USBD_IOERROR; 2899 goto ret; 2900 } 2901 switch(value) { 2902 case UHF_PORT_ENABLE: 2903 x = UREAD2(sc, port); 2904 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2905 break; 2906 case UHF_PORT_SUSPEND: 2907 x = UREAD2(sc, port); 2908 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2909 break; 2910 case UHF_PORT_RESET: 2911 x = UREAD2(sc, port); 2912 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2913 break; 2914 case UHF_C_PORT_CONNECTION: 2915 x = UREAD2(sc, port); 2916 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2917 break; 2918 case UHF_C_PORT_ENABLE: 2919 x = UREAD2(sc, port); 2920 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2921 break; 2922 case UHF_C_PORT_OVER_CURRENT: 2923 x = UREAD2(sc, port); 2924 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2925 break; 2926 case UHF_C_PORT_RESET: 2927 sc->sc_isreset = 0; 2928 err = USBD_NORMAL_COMPLETION; 2929 goto ret; 2930 case UHF_PORT_CONNECTION: 2931 case UHF_PORT_OVER_CURRENT: 2932 case UHF_PORT_POWER: 2933 case UHF_PORT_LOW_SPEED: 2934 case UHF_C_PORT_SUSPEND: 2935 default: 2936 err = USBD_IOERROR; 2937 goto ret; 2938 } 2939 break; 2940 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 2941 if (index == 1) 2942 port = UHCI_PORTSC1; 2943 else if (index == 2) 2944 port = UHCI_PORTSC2; 2945 else { 2946 err = USBD_IOERROR; 2947 goto ret; 2948 } 2949 if (len > 0) { 2950 *(u_int8_t *)buf = 2951 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 2952 UHCI_PORTSC_LS_SHIFT; 2953 totlen = 1; 2954 } 2955 break; 2956 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2957 if (value != 0) { 2958 err = USBD_IOERROR; 2959 goto ret; 2960 } 2961 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 2962 totlen = l; 2963 memcpy(buf, &uhci_hubd_piix, l); 2964 break; 2965 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2966 if (len != 4) { 2967 err = USBD_IOERROR; 2968 goto ret; 2969 } 2970 memset(buf, 0, len); 2971 totlen = len; 2972 break; 2973 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2974 if (index == 1) 2975 port = UHCI_PORTSC1; 2976 else if (index == 2) 2977 port = UHCI_PORTSC2; 2978 else { 2979 err = USBD_IOERROR; 2980 goto ret; 2981 } 2982 if (len != 4) { 2983 err = USBD_IOERROR; 2984 goto ret; 2985 } 2986 x = UREAD2(sc, port); 2987 status = change = 0; 2988 if (x & UHCI_PORTSC_CCS ) 2989 status |= UPS_CURRENT_CONNECT_STATUS; 2990 if (x & UHCI_PORTSC_CSC ) 2991 change |= UPS_C_CONNECT_STATUS; 2992 if (x & UHCI_PORTSC_PE ) 2993 status |= UPS_PORT_ENABLED; 2994 if (x & UHCI_PORTSC_POEDC) 2995 change |= UPS_C_PORT_ENABLED; 2996 if (x & UHCI_PORTSC_OCI ) 2997 status |= UPS_OVERCURRENT_INDICATOR; 2998 if (x & UHCI_PORTSC_OCIC ) 2999 change |= UPS_C_OVERCURRENT_INDICATOR; 3000 if (x & UHCI_PORTSC_SUSP ) 3001 status |= UPS_SUSPEND; 3002 if (x & UHCI_PORTSC_LSDA ) 3003 status |= UPS_LOW_SPEED; 3004 status |= UPS_PORT_POWER; 3005 if (sc->sc_isreset) 3006 change |= UPS_C_PORT_RESET; 3007 USETW(ps.wPortStatus, status); 3008 USETW(ps.wPortChange, change); 3009 l = min(len, sizeof ps); 3010 memcpy(buf, &ps, l); 3011 totlen = l; 3012 break; 3013 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3014 err = USBD_IOERROR; 3015 goto ret; 3016 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3017 break; 3018 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3019 if (index == 1) 3020 port = UHCI_PORTSC1; 3021 else if (index == 2) 3022 port = UHCI_PORTSC2; 3023 else { 3024 err = USBD_IOERROR; 3025 goto ret; 3026 } 3027 switch(value) { 3028 case UHF_PORT_ENABLE: 3029 x = UREAD2(sc, port); 3030 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3031 break; 3032 case UHF_PORT_SUSPEND: 3033 x = UREAD2(sc, port); 3034 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3035 break; 3036 case UHF_PORT_RESET: 3037 x = UREAD2(sc, port); 3038 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3039 usb_delay_ms(&sc->sc_bus, 10); 3040 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3041 delay(100); 3042 x = UREAD2(sc, port); 3043 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3044 delay(100); 3045 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3046 index, UREAD2(sc, port))); 3047 sc->sc_isreset = 1; 3048 break; 3049 case UHF_PORT_POWER: 3050 /* Pretend we turned on power */ 3051 err = USBD_NORMAL_COMPLETION; 3052 goto ret; 3053 case UHF_C_PORT_CONNECTION: 3054 case UHF_C_PORT_ENABLE: 3055 case UHF_C_PORT_OVER_CURRENT: 3056 case UHF_PORT_CONNECTION: 3057 case UHF_PORT_OVER_CURRENT: 3058 case UHF_PORT_LOW_SPEED: 3059 case UHF_C_PORT_SUSPEND: 3060 case UHF_C_PORT_RESET: 3061 default: 3062 err = USBD_IOERROR; 3063 goto ret; 3064 } 3065 break; 3066 default: 3067 err = USBD_IOERROR; 3068 goto ret; 3069 } 3070 xfer->actlen = totlen; 3071 err = USBD_NORMAL_COMPLETION; 3072 ret: 3073 xfer->status = err; 3074 s = splusb(); 3075 usb_transfer_complete(xfer); 3076 splx(s); 3077 return (USBD_IN_PROGRESS); 3078 } 3079 3080 /* Abort a root control request. */ 3081 void 3082 uhci_root_ctrl_abort(usbd_xfer_handle xfer) 3083 { 3084 /* Nothing to do, all transfers are synchronous. */ 3085 } 3086 3087 /* Close the root pipe. */ 3088 void 3089 uhci_root_ctrl_close(usbd_pipe_handle pipe) 3090 { 3091 DPRINTF(("uhci_root_ctrl_close\n")); 3092 } 3093 3094 /* Abort a root interrupt request. */ 3095 void 3096 uhci_root_intr_abort(usbd_xfer_handle xfer) 3097 { 3098 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3099 3100 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3101 sc->sc_intr_xfer = NULL; 3102 3103 if (xfer->pipe->intrxfer == xfer) { 3104 DPRINTF(("uhci_root_intr_abort: remove\n")); 3105 xfer->pipe->intrxfer = 0; 3106 } 3107 xfer->status = USBD_CANCELLED; 3108 #ifdef DIAGNOSTIC 3109 UXFER(xfer)->iinfo.isdone = 1; 3110 #endif 3111 usb_transfer_complete(xfer); 3112 } 3113 3114 usbd_status 3115 uhci_root_intr_transfer(usbd_xfer_handle xfer) 3116 { 3117 usbd_status err; 3118 3119 /* Insert last in queue. */ 3120 err = usb_insert_transfer(xfer); 3121 if (err) 3122 return (err); 3123 3124 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3125 * start first 3126 */ 3127 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3128 } 3129 3130 /* Start a transfer on the root interrupt pipe */ 3131 usbd_status 3132 uhci_root_intr_start(usbd_xfer_handle xfer) 3133 { 3134 usbd_pipe_handle pipe = xfer->pipe; 3135 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3136 3137 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3138 xfer, xfer->length, xfer->flags)); 3139 3140 if (sc->sc_dying) 3141 return (USBD_IOERROR); 3142 3143 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3144 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3145 sc->sc_intr_xfer = xfer; 3146 return (USBD_IN_PROGRESS); 3147 } 3148 3149 /* Close the root interrupt pipe. */ 3150 void 3151 uhci_root_intr_close(usbd_pipe_handle pipe) 3152 { 3153 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3154 3155 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3156 sc->sc_intr_xfer = NULL; 3157 DPRINTF(("uhci_root_intr_close\n")); 3158 } 3159
Indexes created Tue Sep 30 17:09:57 GMT 2025