uhci.c revision 1.120.2.3
1 /* $NetBSD: uhci.c,v 1.120.2.3 2001/10/27 19:37:52 he 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 switch (why) { 650 case PWR_SUSPEND: 651 case PWR_STANDBY: 652 #ifdef UHCI_DEBUG 653 if (uhcidebug > 2) 654 uhci_dumpregs(sc); 655 #endif 656 if (sc->sc_intr_xfer != NULL) 657 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, 658 sc->sc_intr_xfer); 659 sc->sc_bus.use_polling++; 660 uhci_run(sc, 0); /* stop the controller */ 661 662 /* save some state if BIOS doesn't */ 663 sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); 664 sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); 665 666 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 667 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 668 sc->sc_suspend = why; 669 sc->sc_bus.use_polling--; 670 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 671 break; 672 case PWR_RESUME: 673 #ifdef DIAGNOSTIC 674 if (sc->sc_suspend == PWR_RESUME) 675 printf("uhci_power: weird, resume without suspend.\n"); 676 #endif 677 sc->sc_bus.use_polling++; 678 sc->sc_suspend = why; 679 if (cmd & UHCI_CMD_RS) 680 uhci_run(sc, 0); /* in case BIOS has started it */ 681 682 /* restore saved state */ 683 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); 684 UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); 685 UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); 686 687 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 688 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 689 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 690 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 691 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 692 uhci_run(sc, 1); /* and start traffic again */ 693 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 694 sc->sc_bus.use_polling--; 695 if (sc->sc_intr_xfer != NULL) 696 usb_callout(sc->sc_poll_handle, sc->sc_ival, 697 uhci_poll_hub, sc->sc_intr_xfer); 698 #ifdef UHCI_DEBUG 699 if (uhcidebug > 2) 700 uhci_dumpregs(sc); 701 #endif 702 break; 703 case PWR_SOFTSUSPEND: 704 case PWR_SOFTSTANDBY: 705 case PWR_SOFTRESUME: 706 break; 707 } 708 splx(s); 709 } 710 711 #ifdef UHCI_DEBUG 712 Static void 713 uhci_dumpregs(uhci_softc_t *sc) 714 { 715 DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 716 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 717 USBDEVNAME(sc->sc_bus.bdev), 718 UREAD2(sc, UHCI_CMD), 719 UREAD2(sc, UHCI_STS), 720 UREAD2(sc, UHCI_INTR), 721 UREAD2(sc, UHCI_FRNUM), 722 UREAD4(sc, UHCI_FLBASEADDR), 723 UREAD1(sc, UHCI_SOF), 724 UREAD2(sc, UHCI_PORTSC1), 725 UREAD2(sc, UHCI_PORTSC2))); 726 } 727 728 void 729 uhci_dump_td(uhci_soft_td_t *p) 730 { 731 DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 732 "token=0x%08lx buffer=0x%08lx\n", 733 p, (long)p->physaddr, 734 (long)le32toh(p->td.td_link), 735 (long)le32toh(p->td.td_status), 736 (long)le32toh(p->td.td_token), 737 (long)le32toh(p->td.td_buffer))); 738 DPRINTFN(-1,(" %b %b,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 739 "D=%d,maxlen=%d\n", 740 (int)le32toh(p->td.td_link), 741 "\20\1T\2Q\3VF", 742 (int)le32toh(p->td.td_status), 743 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 744 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 745 UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), 746 UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), 747 UHCI_TD_GET_PID(le32toh(p->td.td_token)), 748 UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), 749 UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), 750 UHCI_TD_GET_DT(le32toh(p->td.td_token)), 751 UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); 752 } 753 754 void 755 uhci_dump_qh(uhci_soft_qh_t *sqh) 756 { 757 DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, 758 (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), 759 le32toh(sqh->qh.qh_elink))); 760 } 761 762 763 #if 1 764 void 765 uhci_dump(void) 766 { 767 uhci_dump_all(thesc); 768 } 769 #endif 770 771 void 772 uhci_dump_all(uhci_softc_t *sc) 773 { 774 uhci_dumpregs(sc); 775 printf("intrs=%d\n", sc->sc_bus.no_intrs); 776 /*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/ 777 uhci_dump_qh(sc->sc_ctl_start); 778 } 779 780 781 void 782 uhci_dump_qhs(uhci_soft_qh_t *sqh) 783 { 784 uhci_dump_qh(sqh); 785 786 /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards 787 * Traverses sideways first, then down. 788 * 789 * QH1 790 * QH2 791 * No QH 792 * TD2.1 793 * TD2.2 794 * TD1.1 795 * etc. 796 * 797 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. 798 */ 799 800 801 if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) 802 uhci_dump_qhs(sqh->hlink); 803 else 804 DPRINTF(("No QH\n")); 805 806 if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) 807 uhci_dump_tds(sqh->elink); 808 else 809 DPRINTF(("No TD\n")); 810 } 811 812 void 813 uhci_dump_tds(uhci_soft_td_t *std) 814 { 815 uhci_soft_td_t *td; 816 817 for(td = std; td != NULL; td = td->link.std) { 818 uhci_dump_td(td); 819 820 /* Check whether the link pointer in this TD marks 821 * the link pointer as end of queue. This avoids 822 * printing the free list in case the queue/TD has 823 * already been moved there (seatbelt). 824 */ 825 if (le32toh(td->td.td_link) & UHCI_PTR_T || 826 le32toh(td->td.td_link) == 0) 827 break; 828 } 829 } 830 831 Static void 832 uhci_dump_ii(uhci_intr_info_t *ii) 833 { 834 usbd_pipe_handle pipe; 835 usb_endpoint_descriptor_t *ed; 836 usbd_device_handle dev; 837 838 #ifdef DIAGNOSTIC 839 #define DONE ii->isdone 840 #else 841 #define DONE 0 842 #endif 843 if (ii == NULL) { 844 printf("ii NULL\n"); 845 return; 846 } 847 if (ii->xfer == NULL) { 848 printf("ii %p: done=%d xfer=NULL\n", 849 ii, DONE); 850 return; 851 } 852 pipe = ii->xfer->pipe; 853 if (pipe == NULL) { 854 printf("ii %p: done=%d xfer=%p pipe=NULL\n", 855 ii, DONE, ii->xfer); 856 return; 857 } 858 ed = pipe->endpoint->edesc; 859 dev = pipe->device; 860 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", 861 ii, DONE, ii->xfer, dev, 862 UGETW(dev->ddesc.idVendor), 863 UGETW(dev->ddesc.idProduct), 864 dev->address, pipe, 865 ed->bEndpointAddress, ed->bmAttributes); 866 #undef DONE 867 } 868 869 void uhci_dump_iis(struct uhci_softc *sc); 870 void 871 uhci_dump_iis(struct uhci_softc *sc) 872 { 873 uhci_intr_info_t *ii; 874 875 printf("intr_info list:\n"); 876 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 877 uhci_dump_ii(ii); 878 } 879 880 void iidump(void); 881 void iidump(void) { uhci_dump_iis(thesc); } 882 883 #endif 884 885 /* 886 * This routine is executed periodically and simulates interrupts 887 * from the root controller interrupt pipe for port status change. 888 */ 889 void 890 uhci_poll_hub(void *addr) 891 { 892 usbd_xfer_handle xfer = addr; 893 usbd_pipe_handle pipe = xfer->pipe; 894 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 895 int s; 896 u_char *p; 897 898 DPRINTFN(20, ("uhci_poll_hub\n")); 899 900 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 901 902 p = KERNADDR(&xfer->dmabuf); 903 p[0] = 0; 904 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 905 p[0] |= 1<<1; 906 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 907 p[0] |= 1<<2; 908 if (p[0] == 0) 909 /* No change, try again in a while */ 910 return; 911 912 xfer->actlen = 1; 913 xfer->status = USBD_NORMAL_COMPLETION; 914 s = splusb(); 915 xfer->device->bus->intr_context++; 916 usb_transfer_complete(xfer); 917 xfer->device->bus->intr_context--; 918 splx(s); 919 } 920 921 void 922 uhci_root_intr_done(usbd_xfer_handle xfer) 923 { 924 } 925 926 void 927 uhci_root_ctrl_done(usbd_xfer_handle xfer) 928 { 929 } 930 931 /* Add control QH, called at splusb(). */ 932 void 933 uhci_add_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 934 { 935 uhci_soft_qh_t *eqh; 936 937 SPLUSBCHECK; 938 939 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 940 eqh = sc->sc_ctl_end; 941 sqh->hlink = eqh->hlink; 942 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 943 eqh->hlink = sqh; 944 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 945 sc->sc_ctl_end = sqh; 946 } 947 948 /* Remove control QH, called at splusb(). */ 949 void 950 uhci_remove_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 951 { 952 uhci_soft_qh_t *pqh; 953 954 SPLUSBCHECK; 955 956 DPRINTFN(10, ("uhci_remove_ctrl: sqh=%p\n", sqh)); 957 /* 958 * The T bit should be set in the elink of the QH so that the HC 959 * doesn't follow the pointer. This condition may fail if the 960 * the transferred packet was short so that the QH still points 961 * at the last used TD. 962 * In this case we set the T bit and wait a little for the HC 963 * to stop looking at the TD. 964 */ 965 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 966 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 967 delay(UHCI_QH_REMOVE_DELAY); 968 } 969 970 pqh = uhci_find_prev_qh(sc->sc_ctl_start, sqh); 971 pqh->hlink = sqh->hlink; 972 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 973 delay(UHCI_QH_REMOVE_DELAY); 974 if (sc->sc_ctl_end == sqh) 975 sc->sc_ctl_end = pqh; 976 } 977 978 /* Add bulk QH, called at splusb(). */ 979 void 980 uhci_add_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 981 { 982 uhci_soft_qh_t *eqh; 983 984 SPLUSBCHECK; 985 986 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 987 eqh = sc->sc_bulk_end; 988 sqh->hlink = eqh->hlink; 989 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 990 eqh->hlink = sqh; 991 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 992 sc->sc_bulk_end = sqh; 993 } 994 995 /* Remove bulk QH, called at splusb(). */ 996 void 997 uhci_remove_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 998 { 999 uhci_soft_qh_t *pqh; 1000 1001 SPLUSBCHECK; 1002 1003 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 1004 /* See comment in uhci_remove_ctrl() */ 1005 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1006 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1007 delay(UHCI_QH_REMOVE_DELAY); 1008 } 1009 pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); 1010 pqh->hlink = sqh->hlink; 1011 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1012 delay(UHCI_QH_REMOVE_DELAY); 1013 if (sc->sc_bulk_end == sqh) 1014 sc->sc_bulk_end = pqh; 1015 } 1016 1017 int 1018 uhci_intr(void *arg) 1019 { 1020 uhci_softc_t *sc = arg; 1021 int status; 1022 int ack; 1023 1024 #ifdef UHCI_DEBUG 1025 if (uhcidebug > 15) { 1026 DPRINTF(("%s: uhci_intr\n", USBDEVNAME(sc->sc_bus.bdev))); 1027 uhci_dumpregs(sc); 1028 } 1029 #endif 1030 1031 status = UREAD2(sc, UHCI_STS); 1032 if (status == 0) /* The interrupt was not for us. */ 1033 return (0); 1034 1035 if (sc->sc_suspend != PWR_RESUME) { 1036 printf("%s: interrupt while not operating ignored\n", 1037 USBDEVNAME(sc->sc_bus.bdev)); 1038 return (0); 1039 } 1040 1041 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1042 if (sc->sc_suspend != PWR_RESUME) 1043 printf("uhci_intr: suspended sts=0x%x\n", status); 1044 #endif 1045 1046 ack = 0; 1047 if (status & UHCI_STS_USBINT) 1048 ack |= UHCI_STS_USBINT; 1049 if (status & UHCI_STS_USBEI) 1050 ack |= UHCI_STS_USBEI; 1051 if (status & UHCI_STS_RD) { 1052 ack |= UHCI_STS_RD; 1053 #ifdef UHCI_DEBUG 1054 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1055 #endif 1056 } 1057 if (status & UHCI_STS_HSE) { 1058 ack |= UHCI_STS_HSE; 1059 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1060 } 1061 if (status & UHCI_STS_HCPE) { 1062 ack |= UHCI_STS_HCPE; 1063 printf("%s: host controller process error\n", 1064 USBDEVNAME(sc->sc_bus.bdev)); 1065 } 1066 if (status & UHCI_STS_HCH) { 1067 /* no acknowledge needed */ 1068 printf("%s: host controller halted\n", 1069 USBDEVNAME(sc->sc_bus.bdev)); 1070 sc->sc_dying = 1; 1071 #ifdef UHCI_DEBUG 1072 uhci_dump_all(sc); 1073 #endif 1074 1075 } 1076 1077 if (ack) /* acknowledge the ints */ 1078 UWRITE2(sc, UHCI_STS, ack); 1079 else /* nothing to acknowledge */ 1080 return (0); 1081 1082 sc->sc_bus.no_intrs++; 1083 usb_schedsoftintr(&sc->sc_bus); 1084 1085 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1086 1087 return (1); 1088 } 1089 1090 void 1091 uhci_softintr(struct usbd_bus *bus) 1092 { 1093 uhci_softc_t *sc = (uhci_softc_t *)bus; 1094 uhci_intr_info_t *ii; 1095 1096 DPRINTFN(10,("%s: uhci_softintr\n", USBDEVNAME(sc->sc_bus.bdev))); 1097 1098 sc->sc_bus.intr_context++; 1099 1100 /* 1101 * Interrupts on UHCI really suck. When the host controller 1102 * interrupts because a transfer is completed there is no 1103 * way of knowing which transfer it was. You can scan down 1104 * the TDs and QHs of the previous frame to limit the search, 1105 * but that assumes that the interrupt was not delayed by more 1106 * than 1 ms, which may not always be true (e.g. after debug 1107 * output on a slow console). 1108 * We scan all interrupt descriptors to see if any have 1109 * completed. 1110 */ 1111 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1112 uhci_check_intr(sc, ii); 1113 1114 sc->sc_bus.intr_context--; 1115 } 1116 1117 /* Check for an interrupt. */ 1118 void 1119 uhci_check_intr(uhci_softc_t *sc, uhci_intr_info_t *ii) 1120 { 1121 uhci_soft_td_t *std, *lstd; 1122 u_int32_t status; 1123 1124 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1125 #ifdef DIAGNOSTIC 1126 if (ii == NULL) { 1127 printf("uhci_check_intr: no ii? %p\n", ii); 1128 return; 1129 } 1130 #endif 1131 if (ii->stdstart == NULL) 1132 return; 1133 lstd = ii->stdend; 1134 #ifdef DIAGNOSTIC 1135 if (lstd == NULL) { 1136 printf("uhci_check_intr: std==0\n"); 1137 return; 1138 } 1139 #endif 1140 /* 1141 * If the last TD is still active we need to check whether there 1142 * is a an error somewhere in the middle, or whether there was a 1143 * short packet (SPD and not ACTIVE). 1144 */ 1145 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1146 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1147 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1148 status = le32toh(std->td.td_status); 1149 /* If there's an active TD the xfer isn't done. */ 1150 if (status & UHCI_TD_ACTIVE) 1151 break; 1152 /* Any kind of error makes the xfer done. */ 1153 if (status & UHCI_TD_STALLED) 1154 goto done; 1155 /* We want short packets, and it is short: it's done */ 1156 if ((status & UHCI_TD_SPD) && 1157 UHCI_TD_GET_ACTLEN(status) < 1158 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1159 goto done; 1160 } 1161 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1162 ii, ii->stdstart)); 1163 return; 1164 } 1165 done: 1166 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1167 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1168 uhci_idone(ii); 1169 } 1170 1171 /* Called at splusb() */ 1172 void 1173 uhci_idone(uhci_intr_info_t *ii) 1174 { 1175 usbd_xfer_handle xfer = ii->xfer; 1176 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1177 uhci_soft_td_t *std; 1178 u_int32_t status = 0, nstatus; 1179 int actlen; 1180 1181 #ifdef DIAGNOSTIC 1182 { 1183 int s = splhigh(); 1184 if (ii->isdone) { 1185 splx(s); 1186 #ifdef UHCI_DEBUG 1187 printf("uhci_idone: ii is done!\n "); 1188 uhci_dump_ii(ii); 1189 #else 1190 printf("uhci_idone: ii=%p is done!\n", ii); 1191 #endif 1192 return; 1193 } 1194 ii->isdone = 1; 1195 splx(s); 1196 } 1197 #endif 1198 1199 if (xfer->status == USBD_CANCELLED || 1200 xfer->status == USBD_TIMEOUT) { 1201 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1202 return; 1203 } 1204 1205 if (xfer->nframes != 0) { 1206 /* Isoc transfer, do things differently. */ 1207 uhci_soft_td_t **stds = upipe->u.iso.stds; 1208 int i, n, nframes; 1209 1210 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1211 1212 nframes = xfer->nframes; 1213 actlen = 0; 1214 n = UXFER(xfer)->curframe; 1215 for (i = 0; i < nframes; i++) { 1216 std = stds[n]; 1217 #ifdef UHCI_DEBUG 1218 if (uhcidebug > 5) { 1219 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1220 uhci_dump_td(std); 1221 } 1222 #endif 1223 if (++n >= UHCI_VFRAMELIST_COUNT) 1224 n = 0; 1225 status = le32toh(std->td.td_status); 1226 actlen += UHCI_TD_GET_ACTLEN(status); 1227 } 1228 upipe->u.iso.inuse -= nframes; 1229 xfer->actlen = actlen; 1230 xfer->status = USBD_NORMAL_COMPLETION; 1231 usb_transfer_complete(xfer); 1232 return; 1233 } 1234 1235 #ifdef UHCI_DEBUG 1236 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1237 ii, xfer, upipe)); 1238 if (uhcidebug > 10) 1239 uhci_dump_tds(ii->stdstart); 1240 #endif 1241 1242 /* The transfer is done, compute actual length and status. */ 1243 actlen = 0; 1244 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1245 nstatus = le32toh(std->td.td_status); 1246 if (nstatus & UHCI_TD_ACTIVE) 1247 break; 1248 1249 status = nstatus; 1250 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1251 UHCI_TD_PID_SETUP) 1252 actlen += UHCI_TD_GET_ACTLEN(status); 1253 } 1254 /* If there are left over TDs we need to update the toggle. */ 1255 if (std != NULL) 1256 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1257 1258 status &= UHCI_TD_ERROR; 1259 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 1260 actlen, status)); 1261 xfer->actlen = actlen; 1262 if (status != 0) { 1263 DPRINTFN((status == UHCI_TD_STALLED)*10, 1264 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1265 "status 0x%b\n", 1266 xfer->pipe->device->address, 1267 xfer->pipe->endpoint->edesc->bEndpointAddress, 1268 (int)status, 1269 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 1270 "STALLED\30ACTIVE")); 1271 if (status == UHCI_TD_STALLED) 1272 xfer->status = USBD_STALLED; 1273 else 1274 xfer->status = USBD_IOERROR; /* more info XXX */ 1275 } else { 1276 xfer->status = USBD_NORMAL_COMPLETION; 1277 } 1278 usb_transfer_complete(xfer); 1279 } 1280 1281 /* 1282 * Called when a request does not complete. 1283 */ 1284 void 1285 uhci_timeout(void *addr) 1286 { 1287 uhci_intr_info_t *ii = addr; 1288 1289 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1290 1291 #ifdef UHCI_DEBUG 1292 if (uhcidebug > 10) 1293 uhci_dump_tds(ii->stdstart); 1294 #endif 1295 1296 ii->xfer->device->bus->intr_context++; 1297 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1298 ii->xfer->device->bus->intr_context--; 1299 } 1300 1301 /* 1302 * Wait here until controller claims to have an interrupt. 1303 * Then call uhci_intr and return. Use timeout to avoid waiting 1304 * too long. 1305 * Only used during boot when interrupts are not enabled yet. 1306 */ 1307 void 1308 uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer) 1309 { 1310 int timo = xfer->timeout; 1311 uhci_intr_info_t *ii; 1312 1313 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1314 1315 xfer->status = USBD_IN_PROGRESS; 1316 for (; timo >= 0; timo--) { 1317 usb_delay_ms(&sc->sc_bus, 1); 1318 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1319 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1320 uhci_intr(sc); 1321 if (xfer->status != USBD_IN_PROGRESS) 1322 return; 1323 } 1324 } 1325 1326 /* Timeout */ 1327 DPRINTF(("uhci_waitintr: timeout\n")); 1328 for (ii = LIST_FIRST(&sc->sc_intrhead); 1329 ii != NULL && ii->xfer != xfer; 1330 ii = LIST_NEXT(ii, list)) 1331 ; 1332 #ifdef DIAGNOSTIC 1333 if (ii == NULL) 1334 panic("uhci_waitintr: lost intr_info\n"); 1335 #endif 1336 uhci_idone(ii); 1337 } 1338 1339 void 1340 uhci_poll(struct usbd_bus *bus) 1341 { 1342 uhci_softc_t *sc = (uhci_softc_t *)bus; 1343 1344 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1345 uhci_intr(sc); 1346 } 1347 1348 #if 0 1349 void 1350 uhci_reset(uhci_softc_t *sc) 1351 { 1352 int n; 1353 1354 UHCICMD(sc, UHCI_CMD_HCRESET); 1355 /* The reset bit goes low when the controller is done. */ 1356 for (n = 0; n < UHCI_RESET_TIMEOUT && 1357 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1358 usb_delay_ms(&sc->sc_bus, 1); 1359 if (n >= UHCI_RESET_TIMEOUT) 1360 printf("%s: controller did not reset\n", 1361 USBDEVNAME(sc->sc_bus.bdev)); 1362 } 1363 #endif 1364 1365 usbd_status 1366 uhci_run(uhci_softc_t *sc, int run) 1367 { 1368 int s, n, running; 1369 u_int16_t cmd; 1370 1371 run = run != 0; 1372 s = splusb(); 1373 DPRINTF(("uhci_run: setting run=%d\n", run)); 1374 cmd = UREAD2(sc, UHCI_CMD); 1375 if (run) 1376 cmd |= UHCI_CMD_RS; 1377 else 1378 cmd &= ~UHCI_CMD_RS; 1379 UHCICMD(sc, cmd); 1380 for(n = 0; n < 10; n++) { 1381 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1382 /* return when we've entered the state we want */ 1383 if (run == running) { 1384 splx(s); 1385 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1386 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1387 return (USBD_NORMAL_COMPLETION); 1388 } 1389 usb_delay_ms(&sc->sc_bus, 1); 1390 } 1391 splx(s); 1392 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1393 run ? "start" : "stop"); 1394 return (USBD_IOERROR); 1395 } 1396 1397 /* 1398 * Memory management routines. 1399 * uhci_alloc_std allocates TDs 1400 * uhci_alloc_sqh allocates QHs 1401 * These two routines do their own free list management, 1402 * partly for speed, partly because allocating DMAable memory 1403 * has page size granularaity so much memory would be wasted if 1404 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1405 */ 1406 1407 uhci_soft_td_t * 1408 uhci_alloc_std(uhci_softc_t *sc) 1409 { 1410 uhci_soft_td_t *std; 1411 usbd_status err; 1412 int i, offs; 1413 usb_dma_t dma; 1414 1415 if (sc->sc_freetds == NULL) { 1416 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1417 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1418 UHCI_TD_ALIGN, &dma); 1419 if (err) 1420 return (0); 1421 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1422 offs = i * UHCI_STD_SIZE; 1423 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1424 std->physaddr = DMAADDR(&dma) + offs; 1425 std->link.std = sc->sc_freetds; 1426 sc->sc_freetds = std; 1427 } 1428 } 1429 std = sc->sc_freetds; 1430 sc->sc_freetds = std->link.std; 1431 memset(&std->td, 0, sizeof(uhci_td_t)); 1432 return std; 1433 } 1434 1435 void 1436 uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std) 1437 { 1438 #ifdef DIAGNOSTIC 1439 #define TD_IS_FREE 0x12345678 1440 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1441 printf("uhci_free_std: freeing free TD %p\n", std); 1442 return; 1443 } 1444 std->td.td_token = htole32(TD_IS_FREE); 1445 #endif 1446 std->link.std = sc->sc_freetds; 1447 sc->sc_freetds = std; 1448 } 1449 1450 uhci_soft_qh_t * 1451 uhci_alloc_sqh(uhci_softc_t *sc) 1452 { 1453 uhci_soft_qh_t *sqh; 1454 usbd_status err; 1455 int i, offs; 1456 usb_dma_t dma; 1457 1458 if (sc->sc_freeqhs == NULL) { 1459 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1460 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1461 UHCI_QH_ALIGN, &dma); 1462 if (err) 1463 return (0); 1464 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1465 offs = i * UHCI_SQH_SIZE; 1466 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1467 sqh->physaddr = DMAADDR(&dma) + offs; 1468 sqh->hlink = sc->sc_freeqhs; 1469 sc->sc_freeqhs = sqh; 1470 } 1471 } 1472 sqh = sc->sc_freeqhs; 1473 sc->sc_freeqhs = sqh->hlink; 1474 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1475 return (sqh); 1476 } 1477 1478 void 1479 uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1480 { 1481 sqh->hlink = sc->sc_freeqhs; 1482 sc->sc_freeqhs = sqh; 1483 } 1484 1485 void 1486 uhci_free_std_chain(uhci_softc_t *sc, uhci_soft_td_t *std, 1487 uhci_soft_td_t *stdend) 1488 { 1489 uhci_soft_td_t *p; 1490 1491 for (; std != stdend; std = p) { 1492 p = std->link.std; 1493 uhci_free_std(sc, std); 1494 } 1495 } 1496 1497 usbd_status 1498 uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len, 1499 int rd, u_int16_t flags, usb_dma_t *dma, 1500 uhci_soft_td_t **sp, uhci_soft_td_t **ep) 1501 { 1502 uhci_soft_td_t *p, *lastp; 1503 uhci_physaddr_t lastlink; 1504 int i, ntd, l, tog, maxp; 1505 u_int32_t status; 1506 int addr = upipe->pipe.device->address; 1507 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1508 1509 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1510 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1511 upipe->pipe.device->lowspeed, flags)); 1512 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1513 if (maxp == 0) { 1514 printf("uhci_alloc_std_chain: maxp=0\n"); 1515 return (USBD_INVAL); 1516 } 1517 ntd = (len + maxp - 1) / maxp; 1518 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1519 ntd++; 1520 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1521 if (ntd == 0) { 1522 *sp = *ep = 0; 1523 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1524 return (USBD_NORMAL_COMPLETION); 1525 } 1526 tog = upipe->nexttoggle; 1527 if (ntd % 2 == 0) 1528 tog ^= 1; 1529 upipe->nexttoggle = tog ^ 1; 1530 lastp = 0; 1531 lastlink = UHCI_PTR_T; 1532 ntd--; 1533 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1534 if (upipe->pipe.device->lowspeed) 1535 status |= UHCI_TD_LS; 1536 if (flags & USBD_SHORT_XFER_OK) 1537 status |= UHCI_TD_SPD; 1538 for (i = ntd; i >= 0; i--) { 1539 p = uhci_alloc_std(sc); 1540 if (p == NULL) { 1541 uhci_free_std_chain(sc, lastp, 0); 1542 return (USBD_NOMEM); 1543 } 1544 p->link.std = lastp; 1545 if (lastlink == UHCI_PTR_T) 1546 p->td.td_link = htole32(lastlink); 1547 else 1548 p->td.td_link = htole32(lastlink|UHCI_PTR_VF); 1549 lastp = p; 1550 lastlink = p->physaddr; 1551 p->td.td_status = htole32(status); 1552 if (i == ntd) { 1553 /* last TD */ 1554 l = len % maxp; 1555 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1556 l = maxp; 1557 *ep = p; 1558 } else 1559 l = maxp; 1560 p->td.td_token = 1561 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1562 UHCI_TD_OUT(l, endpt, addr, tog)); 1563 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1564 tog ^= 1; 1565 } 1566 *sp = lastp; 1567 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1568 upipe->nexttoggle)); 1569 return (USBD_NORMAL_COMPLETION); 1570 } 1571 1572 void 1573 uhci_device_clear_toggle(usbd_pipe_handle pipe) 1574 { 1575 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1576 upipe->nexttoggle = 0; 1577 } 1578 1579 void 1580 uhci_noop(usbd_pipe_handle pipe) 1581 { 1582 } 1583 1584 usbd_status 1585 uhci_device_bulk_transfer(usbd_xfer_handle xfer) 1586 { 1587 usbd_status err; 1588 1589 /* Insert last in queue. */ 1590 err = usb_insert_transfer(xfer); 1591 if (err) 1592 return (err); 1593 1594 /* 1595 * Pipe isn't running (otherwise err would be USBD_INPROG), 1596 * so start it first. 1597 */ 1598 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1599 } 1600 1601 usbd_status 1602 uhci_device_bulk_start(usbd_xfer_handle xfer) 1603 { 1604 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1605 usbd_device_handle dev = upipe->pipe.device; 1606 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1607 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1608 uhci_soft_td_t *data, *dataend; 1609 uhci_soft_qh_t *sqh; 1610 usbd_status err; 1611 int len, isread, endpt; 1612 int s; 1613 1614 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1615 xfer, xfer->length, xfer->flags)); 1616 1617 if (sc->sc_dying) 1618 return (USBD_IOERROR); 1619 1620 #ifdef DIAGNOSTIC 1621 if (xfer->rqflags & URQ_REQUEST) 1622 panic("uhci_device_bulk_transfer: a request\n"); 1623 #endif 1624 1625 len = xfer->length; 1626 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1627 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1628 sqh = upipe->u.bulk.sqh; 1629 1630 upipe->u.bulk.isread = isread; 1631 upipe->u.bulk.length = len; 1632 1633 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1634 &xfer->dmabuf, &data, &dataend); 1635 if (err) 1636 return (err); 1637 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1638 1639 #ifdef UHCI_DEBUG 1640 if (uhcidebug > 8) { 1641 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1642 uhci_dump_tds(data); 1643 } 1644 #endif 1645 1646 /* Set up interrupt info. */ 1647 ii->xfer = xfer; 1648 ii->stdstart = data; 1649 ii->stdend = dataend; 1650 #ifdef DIAGNOSTIC 1651 if (!ii->isdone) { 1652 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1653 } 1654 ii->isdone = 0; 1655 #endif 1656 1657 sqh->elink = data; 1658 sqh->qh.qh_elink = htole32(data->physaddr); 1659 1660 s = splusb(); 1661 uhci_add_bulk(sc, sqh); 1662 uhci_add_intr_info(sc, ii); 1663 1664 if (xfer->timeout && !sc->sc_bus.use_polling) { 1665 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1666 uhci_timeout, ii); 1667 } 1668 xfer->status = USBD_IN_PROGRESS; 1669 splx(s); 1670 1671 #ifdef UHCI_DEBUG 1672 if (uhcidebug > 10) { 1673 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1674 uhci_dump_tds(data); 1675 } 1676 #endif 1677 1678 if (sc->sc_bus.use_polling) 1679 uhci_waitintr(sc, xfer); 1680 1681 return (USBD_IN_PROGRESS); 1682 } 1683 1684 /* Abort a device bulk request. */ 1685 void 1686 uhci_device_bulk_abort(usbd_xfer_handle xfer) 1687 { 1688 DPRINTF(("uhci_device_bulk_abort:\n")); 1689 uhci_abort_xfer(xfer, USBD_CANCELLED); 1690 } 1691 1692 /* 1693 * XXX This way of aborting is neither safe, nor good. 1694 * But it will have to do until I figure out what to do. 1695 * I apologize for the delay(). 1696 */ 1697 void 1698 uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status) 1699 { 1700 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1701 uhci_soft_td_t *std; 1702 int s; 1703 1704 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1705 1706 s = splusb(); 1707 1708 /* Transfer is already done. */ 1709 if (xfer->status != USBD_NOT_STARTED && 1710 xfer->status != USBD_IN_PROGRESS) { 1711 splx(s); 1712 return; 1713 } 1714 1715 /* Make interrupt routine ignore it, */ 1716 xfer->status = status; 1717 1718 /* don't timeout, */ 1719 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1720 1721 /* make hardware ignore it, */ 1722 for (std = ii->stdstart; std != NULL; std = std->link.std) 1723 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1724 1725 xfer->hcpriv = ii; 1726 1727 splx(s); 1728 1729 delay(1000); 1730 1731 s = splusb(); 1732 #ifdef DIAGNOSTIC 1733 ii->isdone = 1; 1734 #endif 1735 usb_transfer_complete(xfer); 1736 splx(s); 1737 } 1738 1739 /* Close a device bulk pipe. */ 1740 void 1741 uhci_device_bulk_close(usbd_pipe_handle pipe) 1742 { 1743 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1744 usbd_device_handle dev = upipe->pipe.device; 1745 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1746 1747 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1748 } 1749 1750 usbd_status 1751 uhci_device_ctrl_transfer(usbd_xfer_handle xfer) 1752 { 1753 usbd_status err; 1754 1755 /* Insert last in queue. */ 1756 err = usb_insert_transfer(xfer); 1757 if (err) 1758 return (err); 1759 1760 /* 1761 * Pipe isn't running (otherwise err would be USBD_INPROG), 1762 * so start it first. 1763 */ 1764 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1765 } 1766 1767 usbd_status 1768 uhci_device_ctrl_start(usbd_xfer_handle xfer) 1769 { 1770 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1771 usbd_status err; 1772 1773 if (sc->sc_dying) 1774 return (USBD_IOERROR); 1775 1776 #ifdef DIAGNOSTIC 1777 if (!(xfer->rqflags & URQ_REQUEST)) 1778 panic("uhci_device_ctrl_transfer: not a request\n"); 1779 #endif 1780 1781 err = uhci_device_request(xfer); 1782 if (err) 1783 return (err); 1784 1785 if (sc->sc_bus.use_polling) 1786 uhci_waitintr(sc, xfer); 1787 return (USBD_IN_PROGRESS); 1788 } 1789 1790 usbd_status 1791 uhci_device_intr_transfer(usbd_xfer_handle xfer) 1792 { 1793 usbd_status err; 1794 1795 /* Insert last in queue. */ 1796 err = usb_insert_transfer(xfer); 1797 if (err) 1798 return (err); 1799 1800 /* 1801 * Pipe isn't running (otherwise err would be USBD_INPROG), 1802 * so start it first. 1803 */ 1804 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1805 } 1806 1807 usbd_status 1808 uhci_device_intr_start(usbd_xfer_handle xfer) 1809 { 1810 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1811 usbd_device_handle dev = upipe->pipe.device; 1812 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1813 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1814 uhci_soft_td_t *data, *dataend; 1815 uhci_soft_qh_t *sqh; 1816 usbd_status err; 1817 int i, s; 1818 1819 if (sc->sc_dying) 1820 return (USBD_IOERROR); 1821 1822 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1823 xfer, xfer->length, xfer->flags)); 1824 1825 #ifdef DIAGNOSTIC 1826 if (xfer->rqflags & URQ_REQUEST) 1827 panic("uhci_device_intr_transfer: a request\n"); 1828 #endif 1829 1830 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 1831 &xfer->dmabuf, &data, &dataend); 1832 if (err) 1833 return (err); 1834 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1835 1836 #ifdef UHCI_DEBUG 1837 if (uhcidebug > 10) { 1838 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 1839 uhci_dump_tds(data); 1840 uhci_dump_qh(upipe->u.intr.qhs[0]); 1841 } 1842 #endif 1843 1844 s = splusb(); 1845 /* Set up interrupt info. */ 1846 ii->xfer = xfer; 1847 ii->stdstart = data; 1848 ii->stdend = dataend; 1849 #ifdef DIAGNOSTIC 1850 if (!ii->isdone) { 1851 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 1852 } 1853 ii->isdone = 0; 1854 #endif 1855 1856 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1857 upipe->u.intr.qhs[0])); 1858 for (i = 0; i < upipe->u.intr.npoll; i++) { 1859 sqh = upipe->u.intr.qhs[i]; 1860 sqh->elink = data; 1861 sqh->qh.qh_elink = htole32(data->physaddr); 1862 } 1863 uhci_add_intr_info(sc, ii); 1864 xfer->status = USBD_IN_PROGRESS; 1865 splx(s); 1866 1867 #ifdef UHCI_DEBUG 1868 if (uhcidebug > 10) { 1869 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 1870 uhci_dump_tds(data); 1871 uhci_dump_qh(upipe->u.intr.qhs[0]); 1872 } 1873 #endif 1874 1875 return (USBD_IN_PROGRESS); 1876 } 1877 1878 /* Abort a device control request. */ 1879 void 1880 uhci_device_ctrl_abort(usbd_xfer_handle xfer) 1881 { 1882 DPRINTF(("uhci_device_ctrl_abort:\n")); 1883 uhci_abort_xfer(xfer, USBD_CANCELLED); 1884 } 1885 1886 /* Close a device control pipe. */ 1887 void 1888 uhci_device_ctrl_close(usbd_pipe_handle pipe) 1889 { 1890 } 1891 1892 /* Abort a device interrupt request. */ 1893 void 1894 uhci_device_intr_abort(usbd_xfer_handle xfer) 1895 { 1896 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 1897 if (xfer->pipe->intrxfer == xfer) { 1898 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1899 xfer->pipe->intrxfer = 0; 1900 } 1901 uhci_abort_xfer(xfer, USBD_CANCELLED); 1902 } 1903 1904 /* Close a device interrupt pipe. */ 1905 void 1906 uhci_device_intr_close(usbd_pipe_handle pipe) 1907 { 1908 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1909 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1910 int i, npoll; 1911 int s; 1912 1913 /* Unlink descriptors from controller data structures. */ 1914 npoll = upipe->u.intr.npoll; 1915 s = splusb(); 1916 for (i = 0; i < npoll; i++) 1917 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 1918 splx(s); 1919 1920 /* 1921 * We now have to wait for any activity on the physical 1922 * descriptors to stop. 1923 */ 1924 usb_delay_ms(&sc->sc_bus, 2); 1925 1926 for(i = 0; i < npoll; i++) 1927 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1928 free(upipe->u.intr.qhs, M_USBHC); 1929 1930 /* XXX free other resources */ 1931 } 1932 1933 usbd_status 1934 uhci_device_request(usbd_xfer_handle xfer) 1935 { 1936 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1937 usb_device_request_t *req = &xfer->request; 1938 usbd_device_handle dev = upipe->pipe.device; 1939 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1940 int addr = dev->address; 1941 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1942 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1943 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 1944 uhci_soft_qh_t *sqh; 1945 int len; 1946 u_int32_t ls; 1947 usbd_status err; 1948 int isread; 1949 int s; 1950 1951 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1952 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1953 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1954 UGETW(req->wIndex), UGETW(req->wLength), 1955 addr, endpt)); 1956 1957 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1958 isread = req->bmRequestType & UT_READ; 1959 len = UGETW(req->wLength); 1960 1961 setup = upipe->u.ctl.setup; 1962 stat = upipe->u.ctl.stat; 1963 sqh = upipe->u.ctl.sqh; 1964 1965 /* Set up data transaction */ 1966 if (len != 0) { 1967 upipe->nexttoggle = 1; 1968 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1969 &xfer->dmabuf, &data, &dataend); 1970 if (err) 1971 return (err); 1972 next = data; 1973 dataend->link.std = stat; 1974 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF); 1975 } else { 1976 next = stat; 1977 } 1978 upipe->u.ctl.length = len; 1979 1980 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 1981 1982 setup->link.std = next; 1983 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF); 1984 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 1985 UHCI_TD_ACTIVE); 1986 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 1987 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 1988 1989 stat->link.std = NULL; 1990 stat->td.td_link = htole32(UHCI_PTR_T); 1991 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 1992 UHCI_TD_ACTIVE | UHCI_TD_IOC); 1993 stat->td.td_token = 1994 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 1995 UHCI_TD_IN (0, endpt, addr, 1)); 1996 stat->td.td_buffer = htole32(0); 1997 1998 #ifdef UHCI_DEBUG 1999 if (uhcidebug > 10) { 2000 DPRINTF(("uhci_device_request: before transfer\n")); 2001 uhci_dump_tds(setup); 2002 } 2003 #endif 2004 2005 /* Set up interrupt info. */ 2006 ii->xfer = xfer; 2007 ii->stdstart = setup; 2008 ii->stdend = stat; 2009 #ifdef DIAGNOSTIC 2010 if (!ii->isdone) { 2011 printf("uhci_device_request: not done, ii=%p\n", ii); 2012 } 2013 ii->isdone = 0; 2014 #endif 2015 2016 sqh->elink = setup; 2017 sqh->qh.qh_elink = htole32(setup->physaddr); 2018 2019 s = splusb(); 2020 uhci_add_ctrl(sc, sqh); 2021 uhci_add_intr_info(sc, ii); 2022 #ifdef UHCI_DEBUG 2023 if (uhcidebug > 12) { 2024 uhci_soft_td_t *std; 2025 uhci_soft_qh_t *xqh; 2026 uhci_soft_qh_t *sxqh; 2027 int maxqh = 0; 2028 uhci_physaddr_t link; 2029 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2030 for (std = sc->sc_vframes[0].htd, link = 0; 2031 (link & UHCI_PTR_Q) == 0; 2032 std = std->link.std) { 2033 link = le32toh(std->td.td_link); 2034 uhci_dump_td(std); 2035 } 2036 sxqh = (uhci_soft_qh_t *)std; 2037 uhci_dump_qh(sxqh); 2038 for (xqh = sxqh; 2039 xqh != NULL; 2040 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 2041 xqh->hlink==xqh ? NULL : xqh->hlink)) { 2042 uhci_dump_qh(xqh); 2043 } 2044 DPRINTF(("Enqueued QH:\n")); 2045 uhci_dump_qh(sqh); 2046 uhci_dump_tds(sqh->elink); 2047 } 2048 #endif 2049 if (xfer->timeout && !sc->sc_bus.use_polling) { 2050 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2051 uhci_timeout, ii); 2052 } 2053 xfer->status = USBD_IN_PROGRESS; 2054 splx(s); 2055 2056 return (USBD_NORMAL_COMPLETION); 2057 } 2058 2059 usbd_status 2060 uhci_device_isoc_transfer(usbd_xfer_handle xfer) 2061 { 2062 usbd_status err; 2063 2064 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2065 2066 /* Put it on our queue, */ 2067 err = usb_insert_transfer(xfer); 2068 2069 /* bail out on error, */ 2070 if (err && err != USBD_IN_PROGRESS) 2071 return (err); 2072 2073 /* XXX should check inuse here */ 2074 2075 /* insert into schedule, */ 2076 uhci_device_isoc_enter(xfer); 2077 2078 /* and start if the pipe wasn't running */ 2079 if (!err) 2080 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2081 2082 return (err); 2083 } 2084 2085 void 2086 uhci_device_isoc_enter(usbd_xfer_handle xfer) 2087 { 2088 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2089 usbd_device_handle dev = upipe->pipe.device; 2090 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2091 struct iso *iso = &upipe->u.iso; 2092 uhci_soft_td_t *std; 2093 u_int32_t buf, len, status; 2094 int s, i, next, nframes; 2095 2096 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2097 "nframes=%d\n", 2098 iso->inuse, iso->next, xfer, xfer->nframes)); 2099 2100 if (sc->sc_dying) 2101 return; 2102 2103 if (xfer->status == USBD_IN_PROGRESS) { 2104 /* This request has already been entered into the frame list */ 2105 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2106 /* XXX */ 2107 } 2108 2109 #ifdef DIAGNOSTIC 2110 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2111 printf("uhci_device_isoc_enter: overflow!\n"); 2112 #endif 2113 2114 next = iso->next; 2115 if (next == -1) { 2116 /* Not in use yet, schedule it a few frames ahead. */ 2117 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2118 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2119 } 2120 2121 xfer->status = USBD_IN_PROGRESS; 2122 UXFER(xfer)->curframe = next; 2123 2124 buf = DMAADDR(&xfer->dmabuf); 2125 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2126 UHCI_TD_ACTIVE | 2127 UHCI_TD_IOS); 2128 nframes = xfer->nframes; 2129 s = splusb(); 2130 for (i = 0; i < nframes; i++) { 2131 std = iso->stds[next]; 2132 if (++next >= UHCI_VFRAMELIST_COUNT) 2133 next = 0; 2134 len = xfer->frlengths[i]; 2135 std->td.td_buffer = htole32(buf); 2136 if (i == nframes - 1) 2137 status |= UHCI_TD_IOC; 2138 std->td.td_status = htole32(status); 2139 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2140 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2141 #ifdef UHCI_DEBUG 2142 if (uhcidebug > 5) { 2143 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2144 uhci_dump_td(std); 2145 } 2146 #endif 2147 buf += len; 2148 } 2149 iso->next = next; 2150 iso->inuse += xfer->nframes; 2151 2152 splx(s); 2153 } 2154 2155 usbd_status 2156 uhci_device_isoc_start(usbd_xfer_handle xfer) 2157 { 2158 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2159 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2160 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2161 uhci_soft_td_t *end; 2162 int s, i; 2163 2164 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2165 2166 if (sc->sc_dying) 2167 return (USBD_IOERROR); 2168 2169 #ifdef DIAGNOSTIC 2170 if (xfer->status != USBD_IN_PROGRESS) 2171 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2172 #endif 2173 2174 /* Find the last TD */ 2175 i = UXFER(xfer)->curframe + xfer->nframes; 2176 if (i >= UHCI_VFRAMELIST_COUNT) 2177 i -= UHCI_VFRAMELIST_COUNT; 2178 end = upipe->u.iso.stds[i]; 2179 2180 #ifdef DIAGNOSTIC 2181 if (end == NULL) { 2182 printf("uhci_device_isoc_start: end == NULL\n"); 2183 return (USBD_INVAL); 2184 } 2185 #endif 2186 2187 s = splusb(); 2188 2189 /* Set up interrupt info. */ 2190 ii->xfer = xfer; 2191 ii->stdstart = end; 2192 ii->stdend = end; 2193 #ifdef DIAGNOSTIC 2194 if (!ii->isdone) 2195 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2196 ii->isdone = 0; 2197 #endif 2198 uhci_add_intr_info(sc, ii); 2199 2200 splx(s); 2201 2202 return (USBD_IN_PROGRESS); 2203 } 2204 2205 void 2206 uhci_device_isoc_abort(usbd_xfer_handle xfer) 2207 { 2208 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2209 uhci_soft_td_t **stds = upipe->u.iso.stds; 2210 uhci_soft_td_t *std; 2211 int i, n, s, nframes, maxlen, len; 2212 2213 s = splusb(); 2214 2215 /* Transfer is already done. */ 2216 if (xfer->status != USBD_NOT_STARTED && 2217 xfer->status != USBD_IN_PROGRESS) { 2218 splx(s); 2219 return; 2220 } 2221 2222 /* Give xfer the requested abort code. */ 2223 xfer->status = USBD_CANCELLED; 2224 2225 /* make hardware ignore it, */ 2226 nframes = xfer->nframes; 2227 n = UXFER(xfer)->curframe; 2228 maxlen = 0; 2229 for (i = 0; i < nframes; i++) { 2230 std = stds[n]; 2231 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2232 len = UHCI_TD_GET_MAXLEN(std->td.td_token); 2233 if (len > maxlen) 2234 maxlen = len; 2235 if (++n >= UHCI_VFRAMELIST_COUNT) 2236 n = 0; 2237 } 2238 2239 /* and wait until we are sure the hardware has finished. */ 2240 delay(maxlen); 2241 2242 #ifdef DIAGNOSTIC 2243 UXFER(xfer)->iinfo.isdone = 1; 2244 #endif 2245 /* Run callback and remove from interrupt list. */ 2246 usb_transfer_complete(xfer); 2247 2248 splx(s); 2249 } 2250 2251 void 2252 uhci_device_isoc_close(usbd_pipe_handle pipe) 2253 { 2254 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2255 usbd_device_handle dev = upipe->pipe.device; 2256 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2257 uhci_soft_td_t *std, *vstd; 2258 struct iso *iso; 2259 int i, s; 2260 2261 /* 2262 * Make sure all TDs are marked as inactive. 2263 * Wait for completion. 2264 * Unschedule. 2265 * Deallocate. 2266 */ 2267 iso = &upipe->u.iso; 2268 2269 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2270 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2271 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2272 2273 s = splusb(); 2274 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2275 std = iso->stds[i]; 2276 for (vstd = sc->sc_vframes[i].htd; 2277 vstd != NULL && vstd->link.std != std; 2278 vstd = vstd->link.std) 2279 ; 2280 if (vstd == NULL) { 2281 /*panic*/ 2282 printf("uhci_device_isoc_close: %p not found\n", std); 2283 splx(s); 2284 return; 2285 } 2286 vstd->link = std->link; 2287 vstd->td.td_link = std->td.td_link; 2288 uhci_free_std(sc, std); 2289 } 2290 splx(s); 2291 2292 free(iso->stds, M_USBHC); 2293 } 2294 2295 usbd_status 2296 uhci_setup_isoc(usbd_pipe_handle pipe) 2297 { 2298 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2299 usbd_device_handle dev = upipe->pipe.device; 2300 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2301 int addr = upipe->pipe.device->address; 2302 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2303 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2304 uhci_soft_td_t *std, *vstd; 2305 u_int32_t token; 2306 struct iso *iso; 2307 int i, s; 2308 2309 iso = &upipe->u.iso; 2310 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2311 M_USBHC, M_WAITOK); 2312 2313 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2314 UHCI_TD_OUT(0, endpt, addr, 0); 2315 2316 /* Allocate the TDs and mark as inactive; */ 2317 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2318 std = uhci_alloc_std(sc); 2319 if (std == 0) 2320 goto bad; 2321 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2322 std->td.td_token = htole32(token); 2323 iso->stds[i] = std; 2324 } 2325 2326 /* Insert TDs into schedule. */ 2327 s = splusb(); 2328 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2329 std = iso->stds[i]; 2330 vstd = sc->sc_vframes[i].htd; 2331 std->link = vstd->link; 2332 std->td.td_link = vstd->td.td_link; 2333 vstd->link.std = std; 2334 vstd->td.td_link = htole32(std->physaddr); 2335 } 2336 splx(s); 2337 2338 iso->next = -1; 2339 iso->inuse = 0; 2340 2341 return (USBD_NORMAL_COMPLETION); 2342 2343 bad: 2344 while (--i >= 0) 2345 uhci_free_std(sc, iso->stds[i]); 2346 free(iso->stds, M_USBHC); 2347 return (USBD_NOMEM); 2348 } 2349 2350 void 2351 uhci_device_isoc_done(usbd_xfer_handle xfer) 2352 { 2353 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2354 2355 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2356 2357 if (ii->xfer != xfer) 2358 /* Not on interrupt list, ignore it. */ 2359 return; 2360 2361 #ifdef DIAGNOSTIC 2362 if (xfer->busy_free != XFER_BUSY) { 2363 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2364 xfer, xfer->busy_free); 2365 return; 2366 } 2367 2368 if (ii->stdend == NULL) { 2369 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2370 #ifdef UHCI_DEBUG 2371 uhci_dump_ii(ii); 2372 #endif 2373 return; 2374 } 2375 #endif 2376 2377 /* Turn off the interrupt since it is active even if the TD is not. */ 2378 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2379 2380 uhci_del_intr_info(ii); /* remove from active list */ 2381 } 2382 2383 void 2384 uhci_device_intr_done(usbd_xfer_handle xfer) 2385 { 2386 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2387 uhci_softc_t *sc = ii->sc; 2388 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2389 uhci_soft_qh_t *sqh; 2390 int i, npoll; 2391 2392 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2393 2394 npoll = upipe->u.intr.npoll; 2395 for(i = 0; i < npoll; i++) { 2396 sqh = upipe->u.intr.qhs[i]; 2397 sqh->elink = 0; 2398 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2399 } 2400 uhci_free_std_chain(sc, ii->stdstart, 0); 2401 2402 /* XXX Wasteful. */ 2403 if (xfer->pipe->repeat) { 2404 uhci_soft_td_t *data, *dataend; 2405 2406 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2407 2408 /* This alloc cannot fail since we freed the chain above. */ 2409 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2410 &xfer->dmabuf, &data, &dataend); 2411 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2412 2413 #ifdef UHCI_DEBUG 2414 if (uhcidebug > 10) { 2415 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2416 uhci_dump_tds(data); 2417 uhci_dump_qh(upipe->u.intr.qhs[0]); 2418 } 2419 #endif 2420 2421 ii->stdstart = data; 2422 ii->stdend = dataend; 2423 #ifdef DIAGNOSTIC 2424 if (!ii->isdone) { 2425 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2426 } 2427 ii->isdone = 0; 2428 #endif 2429 for (i = 0; i < npoll; i++) { 2430 sqh = upipe->u.intr.qhs[i]; 2431 sqh->elink = data; 2432 sqh->qh.qh_elink = htole32(data->physaddr); 2433 } 2434 xfer->status = USBD_IN_PROGRESS; 2435 /* The ii is already on the examined list, just leave it. */ 2436 } else { 2437 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2438 uhci_del_intr_info(ii); 2439 } 2440 } 2441 2442 /* Deallocate request data structures */ 2443 void 2444 uhci_device_ctrl_done(usbd_xfer_handle xfer) 2445 { 2446 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2447 uhci_softc_t *sc = ii->sc; 2448 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2449 2450 #ifdef DIAGNOSTIC 2451 if (!(xfer->rqflags & URQ_REQUEST)) 2452 panic("uhci_ctrl_done: not a request\n"); 2453 #endif 2454 2455 uhci_del_intr_info(ii); /* remove from active list */ 2456 2457 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2458 2459 if (upipe->u.ctl.length != 0) 2460 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2461 2462 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2463 } 2464 2465 /* Deallocate request data structures */ 2466 void 2467 uhci_device_bulk_done(usbd_xfer_handle xfer) 2468 { 2469 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2470 uhci_softc_t *sc = ii->sc; 2471 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2472 2473 uhci_del_intr_info(ii); /* remove from active list */ 2474 2475 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2476 2477 uhci_free_std_chain(sc, ii->stdstart, 0); 2478 2479 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2480 } 2481 2482 /* Add interrupt QH, called with vflock. */ 2483 void 2484 uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2485 { 2486 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2487 uhci_soft_qh_t *eqh; 2488 2489 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2490 2491 eqh = vf->eqh; 2492 sqh->hlink = eqh->hlink; 2493 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2494 eqh->hlink = sqh; 2495 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 2496 vf->eqh = sqh; 2497 vf->bandwidth++; 2498 } 2499 2500 /* Remove interrupt QH. */ 2501 void 2502 uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2503 { 2504 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2505 uhci_soft_qh_t *pqh; 2506 2507 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2508 2509 /* See comment in uhci_remove_ctrl() */ 2510 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 2511 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2512 delay(UHCI_QH_REMOVE_DELAY); 2513 } 2514 2515 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2516 pqh->hlink = sqh->hlink; 2517 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2518 delay(UHCI_QH_REMOVE_DELAY); 2519 if (vf->eqh == sqh) 2520 vf->eqh = pqh; 2521 vf->bandwidth--; 2522 } 2523 2524 usbd_status 2525 uhci_device_setintr(uhci_softc_t *sc, struct uhci_pipe *upipe, int ival) 2526 { 2527 uhci_soft_qh_t *sqh; 2528 int i, npoll, s; 2529 u_int bestbw, bw, bestoffs, offs; 2530 2531 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2532 if (ival == 0) { 2533 printf("uhci_setintr: 0 interval\n"); 2534 return (USBD_INVAL); 2535 } 2536 2537 if (ival > UHCI_VFRAMELIST_COUNT) 2538 ival = UHCI_VFRAMELIST_COUNT; 2539 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2540 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2541 2542 upipe->u.intr.npoll = npoll; 2543 upipe->u.intr.qhs = 2544 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2545 2546 /* 2547 * Figure out which offset in the schedule that has most 2548 * bandwidth left over. 2549 */ 2550 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2551 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2552 for (bw = i = 0; i < npoll; i++) 2553 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2554 if (bw < bestbw) { 2555 bestbw = bw; 2556 bestoffs = offs; 2557 } 2558 } 2559 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2560 2561 for(i = 0; i < npoll; i++) { 2562 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2563 sqh->elink = 0; 2564 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2565 sqh->pos = MOD(i * ival + bestoffs); 2566 } 2567 #undef MOD 2568 2569 s = splusb(); 2570 /* Enter QHs into the controller data structures. */ 2571 for(i = 0; i < npoll; i++) 2572 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2573 splx(s); 2574 2575 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2576 return (USBD_NORMAL_COMPLETION); 2577 } 2578 2579 /* Open a new pipe. */ 2580 usbd_status 2581 uhci_open(usbd_pipe_handle pipe) 2582 { 2583 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2584 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2585 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2586 usbd_status err; 2587 int ival; 2588 2589 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2590 pipe, pipe->device->address, 2591 ed->bEndpointAddress, sc->sc_addr)); 2592 2593 upipe->aborting = 0; 2594 upipe->nexttoggle = 0; 2595 2596 if (pipe->device->address == sc->sc_addr) { 2597 switch (ed->bEndpointAddress) { 2598 case USB_CONTROL_ENDPOINT: 2599 pipe->methods = &uhci_root_ctrl_methods; 2600 break; 2601 case UE_DIR_IN | UHCI_INTR_ENDPT: 2602 pipe->methods = &uhci_root_intr_methods; 2603 break; 2604 default: 2605 return (USBD_INVAL); 2606 } 2607 } else { 2608 switch (ed->bmAttributes & UE_XFERTYPE) { 2609 case UE_CONTROL: 2610 pipe->methods = &uhci_device_ctrl_methods; 2611 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2612 if (upipe->u.ctl.sqh == NULL) 2613 goto bad; 2614 upipe->u.ctl.setup = uhci_alloc_std(sc); 2615 if (upipe->u.ctl.setup == NULL) { 2616 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2617 goto bad; 2618 } 2619 upipe->u.ctl.stat = uhci_alloc_std(sc); 2620 if (upipe->u.ctl.stat == NULL) { 2621 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2622 uhci_free_std(sc, upipe->u.ctl.setup); 2623 goto bad; 2624 } 2625 err = usb_allocmem(&sc->sc_bus, 2626 sizeof(usb_device_request_t), 2627 0, &upipe->u.ctl.reqdma); 2628 if (err) { 2629 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2630 uhci_free_std(sc, upipe->u.ctl.setup); 2631 uhci_free_std(sc, upipe->u.ctl.stat); 2632 goto bad; 2633 } 2634 break; 2635 case UE_INTERRUPT: 2636 pipe->methods = &uhci_device_intr_methods; 2637 ival = pipe->interval; 2638 if (ival == USBD_DEFAULT_INTERVAL) 2639 ival = ed->bInterval; 2640 return (uhci_device_setintr(sc, upipe, ival)); 2641 case UE_ISOCHRONOUS: 2642 pipe->methods = &uhci_device_isoc_methods; 2643 return (uhci_setup_isoc(pipe)); 2644 case UE_BULK: 2645 pipe->methods = &uhci_device_bulk_methods; 2646 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2647 if (upipe->u.bulk.sqh == NULL) 2648 goto bad; 2649 break; 2650 } 2651 } 2652 return (USBD_NORMAL_COMPLETION); 2653 2654 bad: 2655 return (USBD_NOMEM); 2656 } 2657 2658 /* 2659 * Data structures and routines to emulate the root hub. 2660 */ 2661 usb_device_descriptor_t uhci_devd = { 2662 USB_DEVICE_DESCRIPTOR_SIZE, 2663 UDESC_DEVICE, /* type */ 2664 {0x00, 0x01}, /* USB version */ 2665 UDCLASS_HUB, /* class */ 2666 UDSUBCLASS_HUB, /* subclass */ 2667 0, /* protocol */ 2668 64, /* max packet */ 2669 {0},{0},{0x00,0x01}, /* device id */ 2670 1,2,0, /* string indicies */ 2671 1 /* # of configurations */ 2672 }; 2673 2674 usb_config_descriptor_t uhci_confd = { 2675 USB_CONFIG_DESCRIPTOR_SIZE, 2676 UDESC_CONFIG, 2677 {USB_CONFIG_DESCRIPTOR_SIZE + 2678 USB_INTERFACE_DESCRIPTOR_SIZE + 2679 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2680 1, 2681 1, 2682 0, 2683 UC_SELF_POWERED, 2684 0 /* max power */ 2685 }; 2686 2687 usb_interface_descriptor_t uhci_ifcd = { 2688 USB_INTERFACE_DESCRIPTOR_SIZE, 2689 UDESC_INTERFACE, 2690 0, 2691 0, 2692 1, 2693 UICLASS_HUB, 2694 UISUBCLASS_HUB, 2695 0, 2696 0 2697 }; 2698 2699 usb_endpoint_descriptor_t uhci_endpd = { 2700 USB_ENDPOINT_DESCRIPTOR_SIZE, 2701 UDESC_ENDPOINT, 2702 UE_DIR_IN | UHCI_INTR_ENDPT, 2703 UE_INTERRUPT, 2704 {8}, 2705 255 2706 }; 2707 2708 usb_hub_descriptor_t uhci_hubd_piix = { 2709 USB_HUB_DESCRIPTOR_SIZE, 2710 UDESC_HUB, 2711 2, 2712 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2713 50, /* power on to power good */ 2714 0, 2715 { 0x00 }, /* both ports are removable */ 2716 }; 2717 2718 int 2719 uhci_str(usb_string_descriptor_t *p, int l, char *s) 2720 { 2721 int i; 2722 2723 if (l == 0) 2724 return (0); 2725 p->bLength = 2 * strlen(s) + 2; 2726 if (l == 1) 2727 return (1); 2728 p->bDescriptorType = UDESC_STRING; 2729 l -= 2; 2730 for (i = 0; s[i] && l > 1; i++, l -= 2) 2731 USETW2(p->bString[i], 0, s[i]); 2732 return (2*i+2); 2733 } 2734 2735 /* 2736 * Simulate a hardware hub by handling all the necessary requests. 2737 */ 2738 usbd_status 2739 uhci_root_ctrl_transfer(usbd_xfer_handle xfer) 2740 { 2741 usbd_status err; 2742 2743 /* Insert last in queue. */ 2744 err = usb_insert_transfer(xfer); 2745 if (err) 2746 return (err); 2747 2748 /* 2749 * Pipe isn't running (otherwise err would be USBD_INPROG), 2750 * so start it first. 2751 */ 2752 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2753 } 2754 2755 usbd_status 2756 uhci_root_ctrl_start(usbd_xfer_handle xfer) 2757 { 2758 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2759 usb_device_request_t *req; 2760 void *buf = NULL; 2761 int port, x; 2762 int s, len, value, index, status, change, l, totlen = 0; 2763 usb_port_status_t ps; 2764 usbd_status err; 2765 2766 if (sc->sc_dying) 2767 return (USBD_IOERROR); 2768 2769 #ifdef DIAGNOSTIC 2770 if (!(xfer->rqflags & URQ_REQUEST)) 2771 panic("uhci_root_ctrl_transfer: not a request\n"); 2772 #endif 2773 req = &xfer->request; 2774 2775 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2776 req->bmRequestType, req->bRequest)); 2777 2778 len = UGETW(req->wLength); 2779 value = UGETW(req->wValue); 2780 index = UGETW(req->wIndex); 2781 2782 if (len != 0) 2783 buf = KERNADDR(&xfer->dmabuf); 2784 2785 #define C(x,y) ((x) | ((y) << 8)) 2786 switch(C(req->bRequest, req->bmRequestType)) { 2787 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2788 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2789 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2790 /* 2791 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2792 * for the integrated root hub. 2793 */ 2794 break; 2795 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2796 if (len > 0) { 2797 *(u_int8_t *)buf = sc->sc_conf; 2798 totlen = 1; 2799 } 2800 break; 2801 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2802 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2803 switch(value >> 8) { 2804 case UDESC_DEVICE: 2805 if ((value & 0xff) != 0) { 2806 err = USBD_IOERROR; 2807 goto ret; 2808 } 2809 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2810 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2811 memcpy(buf, &uhci_devd, l); 2812 break; 2813 case UDESC_CONFIG: 2814 if ((value & 0xff) != 0) { 2815 err = USBD_IOERROR; 2816 goto ret; 2817 } 2818 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2819 memcpy(buf, &uhci_confd, l); 2820 buf = (char *)buf + l; 2821 len -= l; 2822 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2823 totlen += l; 2824 memcpy(buf, &uhci_ifcd, l); 2825 buf = (char *)buf + l; 2826 len -= l; 2827 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2828 totlen += l; 2829 memcpy(buf, &uhci_endpd, l); 2830 break; 2831 case UDESC_STRING: 2832 if (len == 0) 2833 break; 2834 *(u_int8_t *)buf = 0; 2835 totlen = 1; 2836 switch (value & 0xff) { 2837 case 1: /* Vendor */ 2838 totlen = uhci_str(buf, len, sc->sc_vendor); 2839 break; 2840 case 2: /* Product */ 2841 totlen = uhci_str(buf, len, "UHCI root hub"); 2842 break; 2843 } 2844 break; 2845 default: 2846 err = USBD_IOERROR; 2847 goto ret; 2848 } 2849 break; 2850 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2851 if (len > 0) { 2852 *(u_int8_t *)buf = 0; 2853 totlen = 1; 2854 } 2855 break; 2856 case C(UR_GET_STATUS, UT_READ_DEVICE): 2857 if (len > 1) { 2858 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2859 totlen = 2; 2860 } 2861 break; 2862 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2863 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2864 if (len > 1) { 2865 USETW(((usb_status_t *)buf)->wStatus, 0); 2866 totlen = 2; 2867 } 2868 break; 2869 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2870 if (value >= USB_MAX_DEVICES) { 2871 err = USBD_IOERROR; 2872 goto ret; 2873 } 2874 sc->sc_addr = value; 2875 break; 2876 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2877 if (value != 0 && value != 1) { 2878 err = USBD_IOERROR; 2879 goto ret; 2880 } 2881 sc->sc_conf = value; 2882 break; 2883 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2884 break; 2885 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2886 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2887 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2888 err = USBD_IOERROR; 2889 goto ret; 2890 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2891 break; 2892 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2893 break; 2894 /* Hub requests */ 2895 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2896 break; 2897 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2898 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2899 "port=%d feature=%d\n", 2900 index, value)); 2901 if (index == 1) 2902 port = UHCI_PORTSC1; 2903 else if (index == 2) 2904 port = UHCI_PORTSC2; 2905 else { 2906 err = USBD_IOERROR; 2907 goto ret; 2908 } 2909 switch(value) { 2910 case UHF_PORT_ENABLE: 2911 x = UREAD2(sc, port); 2912 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2913 break; 2914 case UHF_PORT_SUSPEND: 2915 x = UREAD2(sc, port); 2916 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2917 break; 2918 case UHF_PORT_RESET: 2919 x = UREAD2(sc, port); 2920 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2921 break; 2922 case UHF_C_PORT_CONNECTION: 2923 x = UREAD2(sc, port); 2924 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2925 break; 2926 case UHF_C_PORT_ENABLE: 2927 x = UREAD2(sc, port); 2928 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2929 break; 2930 case UHF_C_PORT_OVER_CURRENT: 2931 x = UREAD2(sc, port); 2932 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2933 break; 2934 case UHF_C_PORT_RESET: 2935 sc->sc_isreset = 0; 2936 err = USBD_NORMAL_COMPLETION; 2937 goto ret; 2938 case UHF_PORT_CONNECTION: 2939 case UHF_PORT_OVER_CURRENT: 2940 case UHF_PORT_POWER: 2941 case UHF_PORT_LOW_SPEED: 2942 case UHF_C_PORT_SUSPEND: 2943 default: 2944 err = USBD_IOERROR; 2945 goto ret; 2946 } 2947 break; 2948 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 2949 if (index == 1) 2950 port = UHCI_PORTSC1; 2951 else if (index == 2) 2952 port = UHCI_PORTSC2; 2953 else { 2954 err = USBD_IOERROR; 2955 goto ret; 2956 } 2957 if (len > 0) { 2958 *(u_int8_t *)buf = 2959 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 2960 UHCI_PORTSC_LS_SHIFT; 2961 totlen = 1; 2962 } 2963 break; 2964 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2965 if (value != 0) { 2966 err = USBD_IOERROR; 2967 goto ret; 2968 } 2969 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 2970 totlen = l; 2971 memcpy(buf, &uhci_hubd_piix, l); 2972 break; 2973 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2974 if (len != 4) { 2975 err = USBD_IOERROR; 2976 goto ret; 2977 } 2978 memset(buf, 0, len); 2979 totlen = len; 2980 break; 2981 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2982 if (index == 1) 2983 port = UHCI_PORTSC1; 2984 else if (index == 2) 2985 port = UHCI_PORTSC2; 2986 else { 2987 err = USBD_IOERROR; 2988 goto ret; 2989 } 2990 if (len != 4) { 2991 err = USBD_IOERROR; 2992 goto ret; 2993 } 2994 x = UREAD2(sc, port); 2995 status = change = 0; 2996 if (x & UHCI_PORTSC_CCS ) 2997 status |= UPS_CURRENT_CONNECT_STATUS; 2998 if (x & UHCI_PORTSC_CSC ) 2999 change |= UPS_C_CONNECT_STATUS; 3000 if (x & UHCI_PORTSC_PE ) 3001 status |= UPS_PORT_ENABLED; 3002 if (x & UHCI_PORTSC_POEDC) 3003 change |= UPS_C_PORT_ENABLED; 3004 if (x & UHCI_PORTSC_OCI ) 3005 status |= UPS_OVERCURRENT_INDICATOR; 3006 if (x & UHCI_PORTSC_OCIC ) 3007 change |= UPS_C_OVERCURRENT_INDICATOR; 3008 if (x & UHCI_PORTSC_SUSP ) 3009 status |= UPS_SUSPEND; 3010 if (x & UHCI_PORTSC_LSDA ) 3011 status |= UPS_LOW_SPEED; 3012 status |= UPS_PORT_POWER; 3013 if (sc->sc_isreset) 3014 change |= UPS_C_PORT_RESET; 3015 USETW(ps.wPortStatus, status); 3016 USETW(ps.wPortChange, change); 3017 l = min(len, sizeof ps); 3018 memcpy(buf, &ps, l); 3019 totlen = l; 3020 break; 3021 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3022 err = USBD_IOERROR; 3023 goto ret; 3024 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3025 break; 3026 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3027 if (index == 1) 3028 port = UHCI_PORTSC1; 3029 else if (index == 2) 3030 port = UHCI_PORTSC2; 3031 else { 3032 err = USBD_IOERROR; 3033 goto ret; 3034 } 3035 switch(value) { 3036 case UHF_PORT_ENABLE: 3037 x = UREAD2(sc, port); 3038 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3039 break; 3040 case UHF_PORT_SUSPEND: 3041 x = UREAD2(sc, port); 3042 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3043 break; 3044 case UHF_PORT_RESET: 3045 x = UREAD2(sc, port); 3046 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3047 usb_delay_ms(&sc->sc_bus, 10); 3048 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3049 delay(100); 3050 x = UREAD2(sc, port); 3051 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3052 delay(100); 3053 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3054 index, UREAD2(sc, port))); 3055 sc->sc_isreset = 1; 3056 break; 3057 case UHF_PORT_POWER: 3058 /* Pretend we turned on power */ 3059 err = USBD_NORMAL_COMPLETION; 3060 goto ret; 3061 case UHF_C_PORT_CONNECTION: 3062 case UHF_C_PORT_ENABLE: 3063 case UHF_C_PORT_OVER_CURRENT: 3064 case UHF_PORT_CONNECTION: 3065 case UHF_PORT_OVER_CURRENT: 3066 case UHF_PORT_LOW_SPEED: 3067 case UHF_C_PORT_SUSPEND: 3068 case UHF_C_PORT_RESET: 3069 default: 3070 err = USBD_IOERROR; 3071 goto ret; 3072 } 3073 break; 3074 default: 3075 err = USBD_IOERROR; 3076 goto ret; 3077 } 3078 xfer->actlen = totlen; 3079 err = USBD_NORMAL_COMPLETION; 3080 ret: 3081 xfer->status = err; 3082 s = splusb(); 3083 usb_transfer_complete(xfer); 3084 splx(s); 3085 return (USBD_IN_PROGRESS); 3086 } 3087 3088 /* Abort a root control request. */ 3089 void 3090 uhci_root_ctrl_abort(usbd_xfer_handle xfer) 3091 { 3092 /* Nothing to do, all transfers are synchronous. */ 3093 } 3094 3095 /* Close the root pipe. */ 3096 void 3097 uhci_root_ctrl_close(usbd_pipe_handle pipe) 3098 { 3099 DPRINTF(("uhci_root_ctrl_close\n")); 3100 } 3101 3102 /* Abort a root interrupt request. */ 3103 void 3104 uhci_root_intr_abort(usbd_xfer_handle xfer) 3105 { 3106 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3107 3108 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3109 sc->sc_intr_xfer = NULL; 3110 3111 if (xfer->pipe->intrxfer == xfer) { 3112 DPRINTF(("uhci_root_intr_abort: remove\n")); 3113 xfer->pipe->intrxfer = 0; 3114 } 3115 xfer->status = USBD_CANCELLED; 3116 #ifdef DIAGNOSTIC 3117 UXFER(xfer)->iinfo.isdone = 1; 3118 #endif 3119 usb_transfer_complete(xfer); 3120 } 3121 3122 usbd_status 3123 uhci_root_intr_transfer(usbd_xfer_handle xfer) 3124 { 3125 usbd_status err; 3126 3127 /* Insert last in queue. */ 3128 err = usb_insert_transfer(xfer); 3129 if (err) 3130 return (err); 3131 3132 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3133 * start first 3134 */ 3135 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3136 } 3137 3138 /* Start a transfer on the root interrupt pipe */ 3139 usbd_status 3140 uhci_root_intr_start(usbd_xfer_handle xfer) 3141 { 3142 usbd_pipe_handle pipe = xfer->pipe; 3143 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3144 3145 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3146 xfer, xfer->length, xfer->flags)); 3147 3148 if (sc->sc_dying) 3149 return (USBD_IOERROR); 3150 3151 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3152 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3153 sc->sc_intr_xfer = xfer; 3154 return (USBD_IN_PROGRESS); 3155 } 3156 3157 /* Close the root interrupt pipe. */ 3158 void 3159 uhci_root_intr_close(usbd_pipe_handle pipe) 3160 { 3161 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3162 3163 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3164 sc->sc_intr_xfer = NULL; 3165 DPRINTF(("uhci_root_intr_close\n")); 3166 } 3167
Indexes created Tue Sep 30 17:09:57 GMT 2025