uhci.c revision 1.108
1 /* $NetBSD: uhci.c,v 1.108 2000/03/29 18:55:36 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 (augustss (at) carlstedt.se) 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 __P((uhci_softc_t *)); 155 Static void uhci_shutdown __P((void *v)); 156 Static void uhci_power __P((int, void *)); 157 Static usbd_status uhci_run __P((uhci_softc_t *, int run)); 158 Static uhci_soft_td_t *uhci_alloc_std __P((uhci_softc_t *)); 159 Static void uhci_free_std __P((uhci_softc_t *, uhci_soft_td_t *)); 160 Static uhci_soft_qh_t *uhci_alloc_sqh __P((uhci_softc_t *)); 161 Static void uhci_free_sqh __P((uhci_softc_t *, uhci_soft_qh_t *)); 162 #if 0 163 Static void uhci_enter_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *, 164 uhci_intr_info_t *)); 165 Static void uhci_exit_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *)); 166 #endif 167 168 Static void uhci_free_std_chain __P((uhci_softc_t *, 169 uhci_soft_td_t *, uhci_soft_td_t *)); 170 Static usbd_status uhci_alloc_std_chain __P((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 __P((void *)); 174 Static void uhci_waitintr __P((uhci_softc_t *, 175 usbd_xfer_handle)); 176 Static void uhci_check_intr __P((uhci_softc_t *, 177 uhci_intr_info_t *)); 178 Static void uhci_idone __P((uhci_intr_info_t *)); 179 180 Static void uhci_abort_xfer __P((usbd_xfer_handle, 181 usbd_status status)); 182 183 Static void uhci_timeout __P((void *)); 184 Static void uhci_add_ctrl __P((uhci_softc_t *, uhci_soft_qh_t *)); 185 Static void uhci_add_bulk __P((uhci_softc_t *, uhci_soft_qh_t *)); 186 Static void uhci_remove_ctrl __P((uhci_softc_t *,uhci_soft_qh_t *)); 187 Static void uhci_remove_bulk __P((uhci_softc_t *,uhci_soft_qh_t *)); 188 Static int uhci_str __P((usb_string_descriptor_t *, int, char *)); 189 190 Static usbd_status uhci_setup_isoc __P((usbd_pipe_handle pipe)); 191 Static void uhci_device_isoc_enter __P((usbd_xfer_handle)); 192 193 Static usbd_status uhci_allocm __P((struct usbd_bus *, usb_dma_t *, 194 u_int32_t)); 195 Static void uhci_freem __P((struct usbd_bus *, usb_dma_t *)); 196 197 Static usbd_xfer_handle uhci_allocx __P((struct usbd_bus *)); 198 Static void uhci_freex __P((struct usbd_bus *, usbd_xfer_handle)); 199 200 Static usbd_status uhci_device_ctrl_transfer __P((usbd_xfer_handle)); 201 Static usbd_status uhci_device_ctrl_start __P((usbd_xfer_handle)); 202 Static void uhci_device_ctrl_abort __P((usbd_xfer_handle)); 203 Static void uhci_device_ctrl_close __P((usbd_pipe_handle)); 204 Static void uhci_device_ctrl_done __P((usbd_xfer_handle)); 205 206 Static usbd_status uhci_device_intr_transfer __P((usbd_xfer_handle)); 207 Static usbd_status uhci_device_intr_start __P((usbd_xfer_handle)); 208 Static void uhci_device_intr_abort __P((usbd_xfer_handle)); 209 Static void uhci_device_intr_close __P((usbd_pipe_handle)); 210 Static void uhci_device_intr_done __P((usbd_xfer_handle)); 211 212 Static usbd_status uhci_device_bulk_transfer __P((usbd_xfer_handle)); 213 Static usbd_status uhci_device_bulk_start __P((usbd_xfer_handle)); 214 Static void uhci_device_bulk_abort __P((usbd_xfer_handle)); 215 Static void uhci_device_bulk_close __P((usbd_pipe_handle)); 216 Static void uhci_device_bulk_done __P((usbd_xfer_handle)); 217 218 Static usbd_status uhci_device_isoc_transfer __P((usbd_xfer_handle)); 219 Static usbd_status uhci_device_isoc_start __P((usbd_xfer_handle)); 220 Static void uhci_device_isoc_abort __P((usbd_xfer_handle)); 221 Static void uhci_device_isoc_close __P((usbd_pipe_handle)); 222 Static void uhci_device_isoc_done __P((usbd_xfer_handle)); 223 224 Static usbd_status uhci_root_ctrl_transfer __P((usbd_xfer_handle)); 225 Static usbd_status uhci_root_ctrl_start __P((usbd_xfer_handle)); 226 Static void uhci_root_ctrl_abort __P((usbd_xfer_handle)); 227 Static void uhci_root_ctrl_close __P((usbd_pipe_handle)); 228 Static void uhci_root_ctrl_done __P((usbd_xfer_handle)); 229 230 Static usbd_status uhci_root_intr_transfer __P((usbd_xfer_handle)); 231 Static usbd_status uhci_root_intr_start __P((usbd_xfer_handle)); 232 Static void uhci_root_intr_abort __P((usbd_xfer_handle)); 233 Static void uhci_root_intr_close __P((usbd_pipe_handle)); 234 Static void uhci_root_intr_done __P((usbd_xfer_handle)); 235 236 Static usbd_status uhci_open __P((usbd_pipe_handle)); 237 Static void uhci_poll __P((struct usbd_bus *)); 238 Static void uhci_softintr __P((struct usbd_bus *)); 239 240 Static usbd_status uhci_device_request __P((usbd_xfer_handle xfer)); 241 242 Static void uhci_add_intr __P((uhci_softc_t *, uhci_soft_qh_t *)); 243 Static void uhci_remove_intr __P((uhci_softc_t*, uhci_soft_qh_t*)); 244 Static usbd_status uhci_device_setintr __P((uhci_softc_t *sc, 245 struct uhci_pipe *pipe, int ival)); 246 247 Static void uhci_device_clear_toggle __P((usbd_pipe_handle pipe)); 248 Static void uhci_noop __P((usbd_pipe_handle pipe)); 249 250 Static __inline__ uhci_soft_qh_t *uhci_find_prev_qh 251 __P((uhci_soft_qh_t *, uhci_soft_qh_t *)); 252 253 #ifdef UHCI_DEBUG 254 Static void uhci_dumpregs __P((uhci_softc_t *)); 255 Static void uhci_dump_qhs __P((uhci_soft_qh_t *)); 256 Static void uhci_dump_qh __P((uhci_soft_qh_t *)); 257 Static void uhci_dump_tds __P((uhci_soft_td_t *)); 258 Static void uhci_dump_td __P((uhci_soft_td_t *)); 259 Static void uhci_dump_ii __P((uhci_intr_info_t *ii)); 260 #endif 261 262 #define UWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)) 263 #define UWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)) 264 #define UWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)) 265 #define UREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r)) 266 #define UREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r)) 267 #define UREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r)) 268 269 #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) 270 #define UHCISTS(sc) UREAD2(sc, UHCI_STS) 271 272 #define UHCI_RESET_TIMEOUT 100 /* reset timeout */ 273 274 #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) 275 276 #define UHCI_INTR_ENDPT 1 277 278 struct usbd_bus_methods uhci_bus_methods = { 279 uhci_open, 280 uhci_softintr, 281 uhci_poll, 282 uhci_allocm, 283 uhci_freem, 284 uhci_allocx, 285 uhci_freex, 286 }; 287 288 struct usbd_pipe_methods uhci_root_ctrl_methods = { 289 uhci_root_ctrl_transfer, 290 uhci_root_ctrl_start, 291 uhci_root_ctrl_abort, 292 uhci_root_ctrl_close, 293 uhci_noop, 294 uhci_root_ctrl_done, 295 }; 296 297 struct usbd_pipe_methods uhci_root_intr_methods = { 298 uhci_root_intr_transfer, 299 uhci_root_intr_start, 300 uhci_root_intr_abort, 301 uhci_root_intr_close, 302 uhci_noop, 303 uhci_root_intr_done, 304 }; 305 306 struct usbd_pipe_methods uhci_device_ctrl_methods = { 307 uhci_device_ctrl_transfer, 308 uhci_device_ctrl_start, 309 uhci_device_ctrl_abort, 310 uhci_device_ctrl_close, 311 uhci_noop, 312 uhci_device_ctrl_done, 313 }; 314 315 struct usbd_pipe_methods uhci_device_intr_methods = { 316 uhci_device_intr_transfer, 317 uhci_device_intr_start, 318 uhci_device_intr_abort, 319 uhci_device_intr_close, 320 uhci_device_clear_toggle, 321 uhci_device_intr_done, 322 }; 323 324 struct usbd_pipe_methods uhci_device_bulk_methods = { 325 uhci_device_bulk_transfer, 326 uhci_device_bulk_start, 327 uhci_device_bulk_abort, 328 uhci_device_bulk_close, 329 uhci_device_clear_toggle, 330 uhci_device_bulk_done, 331 }; 332 333 struct usbd_pipe_methods uhci_device_isoc_methods = { 334 uhci_device_isoc_transfer, 335 uhci_device_isoc_start, 336 uhci_device_isoc_abort, 337 uhci_device_isoc_close, 338 uhci_noop, 339 uhci_device_isoc_done, 340 }; 341 342 #define uhci_add_intr_info(sc, ii) \ 343 LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list); 344 #define uhci_del_intr_info(ii) \ 345 LIST_REMOVE((ii), list) 346 347 Static __inline__ uhci_soft_qh_t * 348 uhci_find_prev_qh(pqh, sqh) 349 uhci_soft_qh_t *pqh, *sqh; 350 { 351 DPRINTFN(15,("uhci_find_prev_qh: pqh=%p sqh=%p\n", pqh, sqh)); 352 353 for (; pqh->hlink != sqh; pqh = pqh->hlink) { 354 #if defined(DIAGNOSTIC) || defined(UHCI_DEBUG) 355 if (le32toh(pqh->qh.qh_hlink) & UHCI_PTR_T) { 356 printf("uhci_find_prev_qh: QH not found\n"); 357 return (NULL); 358 } 359 #endif 360 } 361 return (pqh); 362 } 363 364 void 365 uhci_busreset(sc) 366 uhci_softc_t *sc; 367 { 368 UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ 369 usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ 370 UHCICMD(sc, 0); /* do nothing */ 371 } 372 373 usbd_status 374 uhci_init(sc) 375 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(self, act) 480 device_ptr_t self; 481 enum devact act; 482 { 483 struct uhci_softc *sc = (struct uhci_softc *)self; 484 int rv = 0; 485 486 switch (act) { 487 case DVACT_ACTIVATE: 488 return (EOPNOTSUPP); 489 break; 490 491 case DVACT_DEACTIVATE: 492 if (sc->sc_child != NULL) 493 rv = config_deactivate(sc->sc_child); 494 break; 495 } 496 return (rv); 497 } 498 499 int 500 uhci_detach(sc, flags) 501 struct uhci_softc *sc; 502 int flags; 503 { 504 usbd_xfer_handle xfer; 505 int rv = 0; 506 507 if (sc->sc_child != NULL) 508 rv = config_detach(sc->sc_child, flags); 509 510 if (rv != 0) 511 return (rv); 512 513 #if defined(__NetBSD__) || defined(__OpenBSD__) 514 powerhook_disestablish(sc->sc_powerhook); 515 shutdownhook_disestablish(sc->sc_shutdownhook); 516 #endif 517 518 /* Free all xfers associated with this HC. */ 519 for (;;) { 520 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 521 if (xfer == NULL) 522 break; 523 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 524 free(xfer, M_USB); 525 } 526 527 /* XXX free other data structures XXX */ 528 529 return (rv); 530 } 531 #endif 532 533 usbd_status 534 uhci_allocm(bus, dma, size) 535 struct usbd_bus *bus; 536 usb_dma_t *dma; 537 u_int32_t size; 538 { 539 struct uhci_softc *sc = (struct uhci_softc *)bus; 540 u_int32_t n; 541 542 /* 543 * XXX 544 * Since we are allocating a buffer we can assume that we will 545 * need TDs for it. Since we don't want to alolocate those from 546 * an interrupt context, we allocate them here and free them again. 547 * This is no guarantee that we'll get the TDs next time... 548 */ 549 n = size / 8; 550 if (n > 16) { 551 u_int32_t i; 552 uhci_soft_td_t **stds; 553 DPRINTF(("uhci_allocm: get %d TDs\n", n)); 554 stds = malloc(sizeof(uhci_soft_td_t *) * n, M_TEMP, M_NOWAIT); 555 memset(stds, 0, sizeof(uhci_soft_td_t *) * n); 556 for(i=0; i < n; i++) 557 stds[i] = uhci_alloc_std(sc); 558 for(i=0; i < n; i++) 559 if (stds[i] != NULL) 560 uhci_free_std(sc, stds[i]); 561 free(stds, M_TEMP); 562 } 563 564 return (usb_allocmem(&sc->sc_bus, size, 0, dma)); 565 } 566 567 void 568 uhci_freem(bus, dma) 569 struct usbd_bus *bus; 570 usb_dma_t *dma; 571 { 572 usb_freemem(&((struct uhci_softc *)bus)->sc_bus, dma); 573 } 574 575 usbd_xfer_handle 576 uhci_allocx(bus) 577 struct usbd_bus *bus; 578 { 579 struct uhci_softc *sc = (struct uhci_softc *)bus; 580 usbd_xfer_handle xfer; 581 582 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 583 if (xfer != NULL) { 584 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 585 #ifdef DIAGNOSTIC 586 if (xfer->busy_free != XFER_FREE) { 587 printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer, 588 xfer->busy_free); 589 } 590 #endif 591 } else { 592 xfer = malloc(sizeof(struct uhci_xfer), M_USB, M_NOWAIT); 593 } 594 if (xfer != NULL) { 595 memset(xfer, 0, sizeof (struct uhci_xfer)); 596 UXFER(xfer)->iinfo.sc = sc; 597 #ifdef DIAGNOSTIC 598 UXFER(xfer)->iinfo.isdone = 1; 599 #endif 600 } 601 #ifdef DIAGNOSTIC 602 xfer->busy_free = XFER_BUSY; 603 #endif 604 return (xfer); 605 } 606 607 void 608 uhci_freex(bus, xfer) 609 struct usbd_bus *bus; 610 usbd_xfer_handle xfer; 611 { 612 struct uhci_softc *sc = (struct uhci_softc *)bus; 613 614 #ifdef DIAGNOSTIC 615 if (xfer->busy_free != XFER_BUSY) { 616 printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer, 617 xfer->busy_free); 618 return; 619 } 620 xfer->busy_free = XFER_FREE; 621 if (!UXFER(xfer)->iinfo.isdone) { 622 printf("uhci_freex: !isdone\n"); 623 return; 624 } 625 #endif 626 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); 627 } 628 629 /* 630 * Shut down the controller when the system is going down. 631 */ 632 void 633 uhci_shutdown(v) 634 void *v; 635 { 636 uhci_softc_t *sc = v; 637 638 DPRINTF(("uhci_shutdown: stopping the HC\n")); 639 uhci_run(sc, 0); /* stop the controller */ 640 } 641 642 /* 643 * Handle suspend/resume. 644 * 645 * We need to switch to polling mode here, because this routine is 646 * called from an intterupt context. This is all right since we 647 * are almost suspended anyway. 648 */ 649 void 650 uhci_power(why, v) 651 int why; 652 void *v; 653 { 654 uhci_softc_t *sc = v; 655 int cmd; 656 int s; 657 658 s = splusb(); 659 cmd = UREAD2(sc, UHCI_CMD); 660 661 DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", 662 sc, why, sc->sc_suspend, cmd)); 663 664 if (why != PWR_RESUME) { 665 #ifdef UHCI_DEBUG 666 if (uhcidebug > 2) 667 uhci_dumpregs(sc); 668 #endif 669 if (sc->sc_intr_xfer != NULL) 670 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, 671 sc->sc_intr_xfer); 672 sc->sc_bus.use_polling++; 673 uhci_run(sc, 0); /* stop the controller */ 674 675 /* save some state if BIOS doesn't */ 676 sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); 677 sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); 678 679 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 680 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 681 sc->sc_suspend = why; 682 sc->sc_bus.use_polling--; 683 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 684 } else { 685 #ifdef DIAGNOSTIC 686 if (sc->sc_suspend == PWR_RESUME) 687 printf("uhci_power: weird, resume without suspend.\n"); 688 #endif 689 sc->sc_bus.use_polling++; 690 sc->sc_suspend = why; 691 if (cmd & UHCI_CMD_RS) 692 uhci_run(sc, 0); /* in case BIOS has started it */ 693 694 /* restore saved state */ 695 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); 696 UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); 697 UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); 698 699 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 700 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 701 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 702 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 703 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 704 uhci_run(sc, 1); /* and start traffic again */ 705 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 706 sc->sc_bus.use_polling--; 707 if (sc->sc_intr_xfer != NULL) 708 usb_callout(sc->sc_poll_handle, sc->sc_ival, 709 uhci_poll_hub, sc->sc_intr_xfer); 710 #ifdef UHCI_DEBUG 711 if (uhcidebug > 2) 712 uhci_dumpregs(sc); 713 #endif 714 } 715 splx(s); 716 } 717 718 #ifdef UHCI_DEBUG 719 Static void 720 uhci_dumpregs(sc) 721 uhci_softc_t *sc; 722 { 723 DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 724 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 725 USBDEVNAME(sc->sc_bus.bdev), 726 UREAD2(sc, UHCI_CMD), 727 UREAD2(sc, UHCI_STS), 728 UREAD2(sc, UHCI_INTR), 729 UREAD2(sc, UHCI_FRNUM), 730 UREAD4(sc, UHCI_FLBASEADDR), 731 UREAD1(sc, UHCI_SOF), 732 UREAD2(sc, UHCI_PORTSC1), 733 UREAD2(sc, UHCI_PORTSC2))); 734 } 735 736 void 737 uhci_dump_td(p) 738 uhci_soft_td_t *p; 739 { 740 DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 741 "token=0x%08lx buffer=0x%08lx\n", 742 p, (long)p->physaddr, 743 (long)le32toh(p->td.td_link), 744 (long)le32toh(p->td.td_status), 745 (long)le32toh(p->td.td_token), 746 (long)le32toh(p->td.td_buffer))); 747 DPRINTFN(-1,(" %b %b,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 748 "D=%d,maxlen=%d\n", 749 (int)le32toh(p->td.td_link), 750 "\20\1T\2Q\3VF", 751 (int)le32toh(p->td.td_status), 752 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 753 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 754 UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), 755 UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), 756 UHCI_TD_GET_PID(le32toh(p->td.td_token)), 757 UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), 758 UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), 759 UHCI_TD_GET_DT(le32toh(p->td.td_token)), 760 UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); 761 } 762 763 void 764 uhci_dump_qh(sqh) 765 uhci_soft_qh_t *sqh; 766 { 767 DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, 768 (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), 769 le32toh(sqh->qh.qh_elink))); 770 } 771 772 773 #if 0 774 void 775 uhci_dump() 776 { 777 uhci_softc_t *sc = thesc; 778 779 uhci_dumpregs(sc); 780 printf("intrs=%d\n", sc->sc_bus.no_intrs); 781 printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link); 782 uhci_dump_qh(sc->sc_ctl_start->qh.hlink); 783 } 784 #endif 785 786 787 void 788 uhci_dump_qhs(sqh) 789 uhci_soft_qh_t *sqh; 790 { 791 uhci_dump_qh(sqh); 792 793 /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards 794 * Traverses sideways first, then down. 795 * 796 * QH1 797 * QH2 798 * No QH 799 * TD2.1 800 * TD2.2 801 * TD1.1 802 * etc. 803 * 804 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. 805 */ 806 807 808 if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) 809 uhci_dump_qhs(sqh->hlink); 810 else 811 DPRINTF(("No QH\n")); 812 813 if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) 814 uhci_dump_tds(sqh->elink); 815 else 816 DPRINTF(("No TD\n")); 817 } 818 819 void 820 uhci_dump_tds(std) 821 uhci_soft_td_t *std; 822 { 823 uhci_soft_td_t *td; 824 825 for(td = std; td != NULL; td = td->link.std) { 826 uhci_dump_td(td); 827 828 /* Check whether the link pointer in this TD marks 829 * the link pointer as end of queue. This avoids 830 * printing the free list in case the queue/TD has 831 * already been moved there (seatbelt). 832 */ 833 if (le32toh(td->td.td_link) & UHCI_PTR_T || 834 le32toh(td->td.td_link) == 0) 835 break; 836 } 837 } 838 839 Static void 840 uhci_dump_ii(ii) 841 uhci_intr_info_t *ii; 842 { 843 usbd_pipe_handle pipe; 844 usb_endpoint_descriptor_t *ed; 845 usbd_device_handle dev; 846 847 #ifdef DIAGNOSTIC 848 #define DONE ii->isdone 849 #else 850 #define DONE 0 851 #endif 852 if (ii == NULL) { 853 printf("ii NULL\n"); 854 return; 855 } 856 if (ii->xfer == NULL) { 857 printf("ii %p: done=%d xfer=NULL\n", 858 ii, DONE); 859 return; 860 } 861 pipe = ii->xfer->pipe; 862 if (pipe == NULL) { 863 printf("ii %p: done=%d xfer=%p pipe=NULL\n", 864 ii, DONE, ii->xfer); 865 return; 866 } 867 ed = pipe->endpoint->edesc; 868 dev = pipe->device; 869 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", 870 ii, DONE, ii->xfer, dev, 871 UGETW(dev->ddesc.idVendor), 872 UGETW(dev->ddesc.idProduct), 873 dev->address, pipe, 874 ed->bEndpointAddress, ed->bmAttributes); 875 #undef DONE 876 } 877 878 void uhci_dump_iis(struct uhci_softc *); 879 void 880 uhci_dump_iis(sc) 881 struct uhci_softc *sc; 882 { 883 uhci_intr_info_t *ii; 884 885 printf("intr_info list:\n"); 886 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 887 uhci_dump_ii(ii); 888 } 889 890 void iidump(void); 891 void iidump() { uhci_dump_iis(thesc); } 892 893 #endif 894 895 /* 896 * This routine is executed periodically and simulates interrupts 897 * from the root controller interrupt pipe for port status change. 898 */ 899 void 900 uhci_poll_hub(addr) 901 void *addr; 902 { 903 usbd_xfer_handle xfer = addr; 904 usbd_pipe_handle pipe = xfer->pipe; 905 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 906 int s; 907 u_char *p; 908 909 DPRINTFN(20, ("uhci_poll_hub\n")); 910 911 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 912 913 p = KERNADDR(&xfer->dmabuf); 914 p[0] = 0; 915 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 916 p[0] |= 1<<1; 917 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 918 p[0] |= 1<<2; 919 if (p[0] == 0) 920 /* No change, try again in a while */ 921 return; 922 923 xfer->actlen = 1; 924 xfer->status = USBD_NORMAL_COMPLETION; 925 s = splusb(); 926 xfer->device->bus->intr_context++; 927 usb_transfer_complete(xfer); 928 xfer->device->bus->intr_context--; 929 splx(s); 930 } 931 932 void 933 uhci_root_intr_done(xfer) 934 usbd_xfer_handle xfer; 935 { 936 } 937 938 void 939 uhci_root_ctrl_done(xfer) 940 usbd_xfer_handle xfer; 941 { 942 } 943 944 /* Add control QH, called at splusb(). */ 945 void 946 uhci_add_ctrl(sc, sqh) 947 uhci_softc_t *sc; 948 uhci_soft_qh_t *sqh; 949 { 950 uhci_soft_qh_t *eqh; 951 952 SPLUSBCHECK; 953 954 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 955 eqh = sc->sc_ctl_end; 956 sqh->hlink = eqh->hlink; 957 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 958 eqh->hlink = sqh; 959 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 960 sc->sc_ctl_end = sqh; 961 } 962 963 /* Remove control QH, called at splusb(). */ 964 void 965 uhci_remove_ctrl(sc, sqh) 966 uhci_softc_t *sc; 967 uhci_soft_qh_t *sqh; 968 { 969 uhci_soft_qh_t *pqh; 970 971 SPLUSBCHECK; 972 973 DPRINTFN(10, ("uhci_remove_ctrl: sqh=%p\n", sqh)); 974 pqh = uhci_find_prev_qh(sc->sc_ctl_start, sqh); 975 pqh->hlink = sqh->hlink; 976 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 977 if (sc->sc_ctl_end == sqh) 978 sc->sc_ctl_end = pqh; 979 } 980 981 /* Add bulk QH, called at splusb(). */ 982 void 983 uhci_add_bulk(sc, sqh) 984 uhci_softc_t *sc; 985 uhci_soft_qh_t *sqh; 986 { 987 uhci_soft_qh_t *eqh; 988 989 SPLUSBCHECK; 990 991 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 992 eqh = sc->sc_bulk_end; 993 sqh->hlink = eqh->hlink; 994 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 995 eqh->hlink = sqh; 996 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 997 sc->sc_bulk_end = sqh; 998 } 999 1000 /* Remove bulk QH, called at splusb(). */ 1001 void 1002 uhci_remove_bulk(sc, sqh) 1003 uhci_softc_t *sc; 1004 uhci_soft_qh_t *sqh; 1005 { 1006 uhci_soft_qh_t *pqh; 1007 1008 SPLUSBCHECK; 1009 1010 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 1011 pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); 1012 pqh->hlink = sqh->hlink; 1013 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1014 if (sc->sc_bulk_end == sqh) 1015 sc->sc_bulk_end = pqh; 1016 } 1017 1018 int 1019 uhci_intr(arg) 1020 void *arg; 1021 { 1022 uhci_softc_t *sc = arg; 1023 int status; 1024 int ack; 1025 1026 #ifdef UHCI_DEBUG 1027 if (uhcidebug > 15) { 1028 DPRINTF(("%s: uhci_intr\n", USBDEVNAME(sc->sc_bus.bdev))); 1029 uhci_dumpregs(sc); 1030 } 1031 #endif 1032 1033 status = UREAD2(sc, UHCI_STS); 1034 if (status == 0) /* The interrupt was not for us. */ 1035 return (0); 1036 1037 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1038 if (sc->sc_suspend != PWR_RESUME) 1039 printf("uhci_intr: suspended sts=0x%x\n", status); 1040 #endif 1041 1042 ack = 0; 1043 if (status & UHCI_STS_USBINT) 1044 ack |= UHCI_STS_USBINT; 1045 if (status & UHCI_STS_USBEI) 1046 ack |= UHCI_STS_USBEI; 1047 if (status & UHCI_STS_RD) { 1048 ack |= UHCI_STS_RD; 1049 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1050 } 1051 if (status & UHCI_STS_HSE) { 1052 ack |= UHCI_STS_HSE; 1053 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1054 } 1055 if (status & UHCI_STS_HCPE) { 1056 ack |= UHCI_STS_HCPE; 1057 printf("%s: host controller process error\n", 1058 USBDEVNAME(sc->sc_bus.bdev)); 1059 } 1060 if (status & UHCI_STS_HCH) { 1061 /* no acknowledge needed */ 1062 printf("%s: host controller halted\n", 1063 USBDEVNAME(sc->sc_bus.bdev)); 1064 sc->sc_dying = 1; 1065 } 1066 1067 if (ack) /* acknowledge the ints */ 1068 UWRITE2(sc, UHCI_STS, ack); 1069 else /* nothing to acknowledge */ 1070 return (0); 1071 1072 sc->sc_bus.no_intrs++; 1073 usb_schedsoftintr(&sc->sc_bus); 1074 1075 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1076 1077 return (1); 1078 } 1079 1080 void 1081 uhci_softintr(bus) 1082 struct usbd_bus *bus; 1083 { 1084 uhci_softc_t *sc = (uhci_softc_t *)bus; 1085 uhci_intr_info_t *ii; 1086 1087 DPRINTFN(10,("%s: uhci_softintr\n", USBDEVNAME(sc->sc_bus.bdev))); 1088 1089 sc->sc_bus.intr_context++; 1090 1091 /* 1092 * Interrupts on UHCI really suck. When the host controller 1093 * interrupts because a transfer is completed there is no 1094 * way of knowing which transfer it was. You can scan down 1095 * the TDs and QHs of the previous frame to limit the search, 1096 * but that assumes that the interrupt was not delayed by more 1097 * than 1 ms, which may not always be true (e.g. after debug 1098 * output on a slow console). 1099 * We scan all interrupt descriptors to see if any have 1100 * completed. 1101 */ 1102 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1103 uhci_check_intr(sc, ii); 1104 1105 sc->sc_bus.intr_context--; 1106 } 1107 1108 /* Check for an interrupt. */ 1109 void 1110 uhci_check_intr(sc, ii) 1111 uhci_softc_t *sc; 1112 uhci_intr_info_t *ii; 1113 { 1114 uhci_soft_td_t *std, *lstd; 1115 u_int32_t status; 1116 1117 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1118 #ifdef DIAGNOSTIC 1119 if (ii == NULL) { 1120 printf("uhci_check_intr: no ii? %p\n", ii); 1121 return; 1122 } 1123 #endif 1124 if (ii->stdstart == NULL) 1125 return; 1126 lstd = ii->stdend; 1127 #ifdef DIAGNOSTIC 1128 if (lstd == NULL) { 1129 printf("uhci_check_intr: std==0\n"); 1130 return; 1131 } 1132 #endif 1133 /* 1134 * If the last TD is still active we need to check whether there 1135 * is a an error somewhere in the middle, or whether there was a 1136 * short packet (SPD and not ACTIVE). 1137 */ 1138 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1139 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1140 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1141 status = le32toh(std->td.td_status); 1142 /* If there's an active TD the xfer isn't done. */ 1143 if (status & UHCI_TD_ACTIVE) 1144 break; 1145 /* Any kind of error makes the xfer done. */ 1146 if (status & UHCI_TD_STALLED) 1147 goto done; 1148 /* We want short packets, and it is short: it's done */ 1149 if ((status & UHCI_TD_SPD) && 1150 UHCI_TD_GET_ACTLEN(status) < 1151 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1152 goto done; 1153 } 1154 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1155 ii, ii->stdstart)); 1156 return; 1157 } 1158 done: 1159 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1160 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1161 uhci_idone(ii); 1162 } 1163 1164 /* Called at splusb() */ 1165 void 1166 uhci_idone(ii) 1167 uhci_intr_info_t *ii; 1168 { 1169 usbd_xfer_handle xfer = ii->xfer; 1170 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1171 uhci_soft_td_t *std; 1172 u_int32_t status = 0, nstatus; 1173 int actlen; 1174 1175 #ifdef DIAGNOSTIC 1176 { 1177 int s = splhigh(); 1178 if (ii->isdone) { 1179 splx(s); 1180 #ifdef UHCI_DEBUG 1181 printf("uhci_idone: ii is done!\n "); 1182 uhci_dump_ii(ii); 1183 #else 1184 printf("uhci_idone: ii=%p is done!\n", ii); 1185 #endif 1186 return; 1187 } 1188 ii->isdone = 1; 1189 splx(s); 1190 } 1191 #endif 1192 1193 if (xfer->status == USBD_CANCELLED || 1194 xfer->status == USBD_TIMEOUT) { 1195 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1196 return; 1197 } 1198 1199 if (xfer->nframes != 0) { 1200 /* Isoc transfer, do things differently. */ 1201 uhci_soft_td_t **stds = upipe->u.iso.stds; 1202 int i, n, nframes; 1203 1204 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1205 1206 nframes = xfer->nframes; 1207 actlen = 0; 1208 n = UXFER(xfer)->curframe; 1209 for (i = 0; i < nframes; i++) { 1210 std = stds[n]; 1211 #ifdef UHCI_DEBUG 1212 if (uhcidebug > 5) { 1213 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1214 uhci_dump_td(std); 1215 } 1216 #endif 1217 if (++n >= UHCI_VFRAMELIST_COUNT) 1218 n = 0; 1219 status = le32toh(std->td.td_status); 1220 actlen += UHCI_TD_GET_ACTLEN(status); 1221 } 1222 upipe->u.iso.inuse -= nframes; 1223 xfer->actlen = actlen; 1224 xfer->status = USBD_NORMAL_COMPLETION; 1225 usb_transfer_complete(xfer); 1226 return; 1227 } 1228 1229 #ifdef UHCI_DEBUG 1230 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1231 ii, xfer, upipe)); 1232 if (uhcidebug > 10) 1233 uhci_dump_tds(ii->stdstart); 1234 #endif 1235 1236 /* The transfer is done, compute actual length and status. */ 1237 actlen = 0; 1238 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1239 nstatus = le32toh(std->td.td_status); 1240 if (nstatus & UHCI_TD_ACTIVE) 1241 break; 1242 1243 status = nstatus; 1244 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1245 UHCI_TD_PID_SETUP) 1246 actlen += UHCI_TD_GET_ACTLEN(status); 1247 } 1248 /* If there are left over TDs we need to update the toggle. */ 1249 if (std != NULL) 1250 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1251 1252 status &= UHCI_TD_ERROR; 1253 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 1254 actlen, status)); 1255 xfer->actlen = actlen; 1256 if (status != 0) { 1257 DPRINTFN((status == UHCI_TD_STALLED)*10, 1258 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1259 "status 0x%b\n", 1260 xfer->pipe->device->address, 1261 xfer->pipe->endpoint->edesc->bEndpointAddress, 1262 (int)status, 1263 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 1264 "STALLED\30ACTIVE")); 1265 if (status == UHCI_TD_STALLED) 1266 xfer->status = USBD_STALLED; 1267 else 1268 xfer->status = USBD_IOERROR; /* more info XXX */ 1269 } else { 1270 xfer->status = USBD_NORMAL_COMPLETION; 1271 } 1272 usb_transfer_complete(xfer); 1273 } 1274 1275 /* 1276 * Called when a request does not complete. 1277 */ 1278 void 1279 uhci_timeout(addr) 1280 void *addr; 1281 { 1282 uhci_intr_info_t *ii = addr; 1283 1284 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1285 1286 #ifdef UHCI_DEBUG 1287 if (uhcidebug > 10) 1288 uhci_dump_tds(ii->stdstart); 1289 #endif 1290 1291 ii->xfer->device->bus->intr_context++; 1292 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1293 ii->xfer->device->bus->intr_context--; 1294 } 1295 1296 /* 1297 * Wait here until controller claims to have an interrupt. 1298 * Then call uhci_intr and return. Use timeout to avoid waiting 1299 * too long. 1300 * Only used during boot when interrupts are not enabled yet. 1301 */ 1302 void 1303 uhci_waitintr(sc, xfer) 1304 uhci_softc_t *sc; 1305 usbd_xfer_handle xfer; 1306 { 1307 int timo = xfer->timeout; 1308 uhci_intr_info_t *ii; 1309 1310 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1311 1312 xfer->status = USBD_IN_PROGRESS; 1313 for (; timo >= 0; timo--) { 1314 usb_delay_ms(&sc->sc_bus, 1); 1315 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1316 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1317 uhci_intr(sc); 1318 if (xfer->status != USBD_IN_PROGRESS) 1319 return; 1320 } 1321 } 1322 1323 /* Timeout */ 1324 DPRINTF(("uhci_waitintr: timeout\n")); 1325 for (ii = LIST_FIRST(&sc->sc_intrhead); 1326 ii != NULL && ii->xfer != xfer; 1327 ii = LIST_NEXT(ii, list)) 1328 ; 1329 #ifdef DIAGNOSTIC 1330 if (ii == NULL) 1331 panic("uhci_waitintr: lost intr_info\n"); 1332 #endif 1333 uhci_idone(ii); 1334 } 1335 1336 void 1337 uhci_poll(bus) 1338 struct usbd_bus *bus; 1339 { 1340 uhci_softc_t *sc = (uhci_softc_t *)bus; 1341 1342 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1343 uhci_intr(sc); 1344 } 1345 1346 #if 0 1347 void 1348 uhci_reset(sc) 1349 uhci_softc_t *sc; 1350 { 1351 int n; 1352 1353 UHCICMD(sc, UHCI_CMD_HCRESET); 1354 /* The reset bit goes low when the controller is done. */ 1355 for (n = 0; n < UHCI_RESET_TIMEOUT && 1356 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1357 usb_delay_ms(&sc->sc_bus, 1); 1358 if (n >= UHCI_RESET_TIMEOUT) 1359 printf("%s: controller did not reset\n", 1360 USBDEVNAME(sc->sc_bus.bdev)); 1361 } 1362 #endif 1363 1364 usbd_status 1365 uhci_run(sc, run) 1366 uhci_softc_t *sc; 1367 int run; 1368 { 1369 int s, n, running; 1370 u_int16_t cmd; 1371 1372 run = run != 0; 1373 s = splusb(); 1374 DPRINTF(("uhci_run: setting run=%d\n", run)); 1375 cmd = UREAD2(sc, UHCI_CMD); 1376 if (run) 1377 cmd |= UHCI_CMD_RS; 1378 else 1379 cmd &= ~UHCI_CMD_RS; 1380 UHCICMD(sc, cmd); 1381 for(n = 0; n < 10; n++) { 1382 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1383 /* return when we've entered the state we want */ 1384 if (run == running) { 1385 splx(s); 1386 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1387 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1388 return (USBD_NORMAL_COMPLETION); 1389 } 1390 usb_delay_ms(&sc->sc_bus, 1); 1391 } 1392 splx(s); 1393 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1394 run ? "start" : "stop"); 1395 return (USBD_IOERROR); 1396 } 1397 1398 /* 1399 * Memory management routines. 1400 * uhci_alloc_std allocates TDs 1401 * uhci_alloc_sqh allocates QHs 1402 * These two routines do their own free list management, 1403 * partly for speed, partly because allocating DMAable memory 1404 * has page size granularaity so much memory would be wasted if 1405 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1406 */ 1407 1408 uhci_soft_td_t * 1409 uhci_alloc_std(sc) 1410 uhci_softc_t *sc; 1411 { 1412 uhci_soft_td_t *std; 1413 usbd_status err; 1414 int i, offs; 1415 usb_dma_t dma; 1416 1417 if (sc->sc_freetds == NULL) { 1418 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1419 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1420 UHCI_TD_ALIGN, &dma); 1421 if (err) 1422 return (0); 1423 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1424 offs = i * UHCI_STD_SIZE; 1425 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1426 std->physaddr = DMAADDR(&dma) + offs; 1427 std->link.std = sc->sc_freetds; 1428 sc->sc_freetds = std; 1429 } 1430 } 1431 std = sc->sc_freetds; 1432 sc->sc_freetds = std->link.std; 1433 memset(&std->td, 0, sizeof(uhci_td_t)); 1434 return std; 1435 } 1436 1437 void 1438 uhci_free_std(sc, std) 1439 uhci_softc_t *sc; 1440 uhci_soft_td_t *std; 1441 { 1442 #ifdef DIAGNOSTIC 1443 #define TD_IS_FREE 0x12345678 1444 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1445 printf("uhci_free_std: freeing free TD %p\n", std); 1446 return; 1447 } 1448 std->td.td_token = htole32(TD_IS_FREE); 1449 #endif 1450 std->link.std = sc->sc_freetds; 1451 sc->sc_freetds = std; 1452 } 1453 1454 uhci_soft_qh_t * 1455 uhci_alloc_sqh(sc) 1456 uhci_softc_t *sc; 1457 { 1458 uhci_soft_qh_t *sqh; 1459 usbd_status err; 1460 int i, offs; 1461 usb_dma_t dma; 1462 1463 if (sc->sc_freeqhs == NULL) { 1464 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1465 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1466 UHCI_QH_ALIGN, &dma); 1467 if (err) 1468 return (0); 1469 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1470 offs = i * UHCI_SQH_SIZE; 1471 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1472 sqh->physaddr = DMAADDR(&dma) + offs; 1473 sqh->hlink = sc->sc_freeqhs; 1474 sc->sc_freeqhs = sqh; 1475 } 1476 } 1477 sqh = sc->sc_freeqhs; 1478 sc->sc_freeqhs = sqh->hlink; 1479 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1480 return (sqh); 1481 } 1482 1483 void 1484 uhci_free_sqh(sc, sqh) 1485 uhci_softc_t *sc; 1486 uhci_soft_qh_t *sqh; 1487 { 1488 sqh->hlink = sc->sc_freeqhs; 1489 sc->sc_freeqhs = sqh; 1490 } 1491 1492 void 1493 uhci_free_std_chain(sc, std, stdend) 1494 uhci_softc_t *sc; 1495 uhci_soft_td_t *std; 1496 uhci_soft_td_t *stdend; 1497 { 1498 uhci_soft_td_t *p; 1499 1500 for (; std != stdend; std = p) { 1501 p = std->link.std; 1502 uhci_free_std(sc, std); 1503 } 1504 } 1505 1506 usbd_status 1507 uhci_alloc_std_chain(upipe, sc, len, rd, flags, dma, sp, ep) 1508 struct uhci_pipe *upipe; 1509 uhci_softc_t *sc; 1510 int len, rd; 1511 u_int16_t flags; 1512 usb_dma_t *dma; 1513 uhci_soft_td_t **sp, **ep; 1514 { 1515 uhci_soft_td_t *p, *lastp; 1516 uhci_physaddr_t lastlink; 1517 int i, ntd, l, tog, maxp; 1518 u_int32_t status; 1519 int addr = upipe->pipe.device->address; 1520 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1521 1522 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1523 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1524 upipe->pipe.device->lowspeed, flags)); 1525 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1526 if (maxp == 0) { 1527 printf("uhci_alloc_std_chain: maxp=0\n"); 1528 return (USBD_INVAL); 1529 } 1530 ntd = (len + maxp - 1) / maxp; 1531 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1532 ntd++; 1533 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1534 if (ntd == 0) { 1535 *sp = *ep = 0; 1536 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1537 return (USBD_NORMAL_COMPLETION); 1538 } 1539 tog = upipe->nexttoggle; 1540 if (ntd % 2 == 0) 1541 tog ^= 1; 1542 upipe->nexttoggle = tog ^ 1; 1543 lastp = 0; 1544 lastlink = UHCI_PTR_T; 1545 ntd--; 1546 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1547 if (upipe->pipe.device->lowspeed) 1548 status |= UHCI_TD_LS; 1549 if (flags & USBD_SHORT_XFER_OK) 1550 status |= UHCI_TD_SPD; 1551 for (i = ntd; i >= 0; i--) { 1552 p = uhci_alloc_std(sc); 1553 if (p == NULL) { 1554 uhci_free_std_chain(sc, lastp, 0); 1555 return (USBD_NOMEM); 1556 } 1557 p->link.std = lastp; 1558 if (lastlink == UHCI_PTR_T) 1559 p->td.td_link = htole32(lastlink); 1560 else 1561 p->td.td_link = htole32(lastlink|UHCI_PTR_VF); 1562 lastp = p; 1563 lastlink = p->physaddr; 1564 p->td.td_status = htole32(status); 1565 if (i == ntd) { 1566 /* last TD */ 1567 l = len % maxp; 1568 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1569 l = maxp; 1570 *ep = p; 1571 } else 1572 l = maxp; 1573 p->td.td_token = 1574 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1575 UHCI_TD_OUT(l, endpt, addr, tog)); 1576 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1577 tog ^= 1; 1578 } 1579 *sp = lastp; 1580 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1581 upipe->nexttoggle)); 1582 return (USBD_NORMAL_COMPLETION); 1583 } 1584 1585 void 1586 uhci_device_clear_toggle(pipe) 1587 usbd_pipe_handle pipe; 1588 { 1589 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1590 upipe->nexttoggle = 0; 1591 } 1592 1593 void 1594 uhci_noop(pipe) 1595 usbd_pipe_handle pipe; 1596 { 1597 } 1598 1599 usbd_status 1600 uhci_device_bulk_transfer(xfer) 1601 usbd_xfer_handle xfer; 1602 { 1603 usbd_status err; 1604 1605 /* Insert last in queue. */ 1606 err = usb_insert_transfer(xfer); 1607 if (err) 1608 return (err); 1609 1610 /* 1611 * Pipe isn't running (otherwise err would be USBD_INPROG), 1612 * so start it first. 1613 */ 1614 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1615 } 1616 1617 usbd_status 1618 uhci_device_bulk_start(xfer) 1619 usbd_xfer_handle xfer; 1620 { 1621 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1622 usbd_device_handle dev = upipe->pipe.device; 1623 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1624 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1625 uhci_soft_td_t *data, *dataend; 1626 uhci_soft_qh_t *sqh; 1627 usbd_status err; 1628 int len, isread, endpt; 1629 int s; 1630 1631 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1632 xfer, xfer->length, xfer->flags)); 1633 1634 if (sc->sc_dying) 1635 return (USBD_IOERROR); 1636 1637 #ifdef DIAGNOSTIC 1638 if (xfer->rqflags & URQ_REQUEST) 1639 panic("uhci_device_bulk_transfer: a request\n"); 1640 #endif 1641 1642 len = xfer->length; 1643 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1644 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1645 sqh = upipe->u.bulk.sqh; 1646 1647 upipe->u.bulk.isread = isread; 1648 upipe->u.bulk.length = len; 1649 1650 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1651 &xfer->dmabuf, &data, &dataend); 1652 if (err) 1653 return (err); 1654 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1655 1656 #ifdef UHCI_DEBUG 1657 if (uhcidebug > 8) { 1658 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1659 uhci_dump_tds(data); 1660 } 1661 #endif 1662 1663 /* Set up interrupt info. */ 1664 ii->xfer = xfer; 1665 ii->stdstart = data; 1666 ii->stdend = dataend; 1667 #ifdef DIAGNOSTIC 1668 if (!ii->isdone) { 1669 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1670 } 1671 ii->isdone = 0; 1672 #endif 1673 1674 sqh->elink = data; 1675 sqh->qh.qh_elink = htole32(data->physaddr); 1676 1677 s = splusb(); 1678 uhci_add_bulk(sc, sqh); 1679 uhci_add_intr_info(sc, ii); 1680 1681 if (xfer->timeout && !sc->sc_bus.use_polling) { 1682 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1683 uhci_timeout, ii); 1684 } 1685 xfer->status = USBD_IN_PROGRESS; 1686 splx(s); 1687 1688 #ifdef UHCI_DEBUG 1689 if (uhcidebug > 10) { 1690 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1691 uhci_dump_tds(data); 1692 } 1693 #endif 1694 1695 if (sc->sc_bus.use_polling) 1696 uhci_waitintr(sc, xfer); 1697 1698 return (USBD_IN_PROGRESS); 1699 } 1700 1701 /* Abort a device bulk request. */ 1702 void 1703 uhci_device_bulk_abort(xfer) 1704 usbd_xfer_handle xfer; 1705 { 1706 DPRINTF(("uhci_device_bulk_abort:\n")); 1707 uhci_abort_xfer(xfer, USBD_CANCELLED); 1708 } 1709 1710 /* 1711 * XXX This way of aborting is neither safe, nor good. 1712 * But it will have to do until I figure out what to do. 1713 * I apologize for the delay(). 1714 */ 1715 void 1716 uhci_abort_xfer(xfer, status) 1717 usbd_xfer_handle xfer; 1718 usbd_status status; 1719 { 1720 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1721 uhci_soft_td_t *std; 1722 int s; 1723 1724 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1725 1726 s = splusb(); 1727 1728 /* Transfer is already done. */ 1729 if (xfer->status != USBD_NOT_STARTED && 1730 xfer->status != USBD_IN_PROGRESS) { 1731 splx(s); 1732 return; 1733 } 1734 1735 /* Make interrupt routine ignore it, */ 1736 xfer->status = status; 1737 1738 /* don't timeout, */ 1739 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1740 1741 /* make hardware ignore it, */ 1742 for (std = ii->stdstart; std != NULL; std = std->link.std) 1743 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1744 1745 xfer->hcpriv = ii; 1746 1747 splx(s); 1748 1749 delay(1000); 1750 1751 s = splusb(); 1752 #ifdef DIAGNOSTIC 1753 ii->isdone = 1; 1754 #endif 1755 usb_transfer_complete(xfer); 1756 splx(s); 1757 } 1758 1759 /* Close a device bulk pipe. */ 1760 void 1761 uhci_device_bulk_close(pipe) 1762 usbd_pipe_handle pipe; 1763 { 1764 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1765 usbd_device_handle dev = upipe->pipe.device; 1766 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1767 1768 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1769 } 1770 1771 usbd_status 1772 uhci_device_ctrl_transfer(xfer) 1773 usbd_xfer_handle xfer; 1774 { 1775 usbd_status err; 1776 1777 /* Insert last in queue. */ 1778 err = usb_insert_transfer(xfer); 1779 if (err) 1780 return (err); 1781 1782 /* 1783 * Pipe isn't running (otherwise err would be USBD_INPROG), 1784 * so start it first. 1785 */ 1786 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1787 } 1788 1789 usbd_status 1790 uhci_device_ctrl_start(xfer) 1791 usbd_xfer_handle xfer; 1792 { 1793 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1794 usbd_status err; 1795 1796 if (sc->sc_dying) 1797 return (USBD_IOERROR); 1798 1799 #ifdef DIAGNOSTIC 1800 if (!(xfer->rqflags & URQ_REQUEST)) 1801 panic("uhci_device_ctrl_transfer: not a request\n"); 1802 #endif 1803 1804 err = uhci_device_request(xfer); 1805 if (err) 1806 return (err); 1807 1808 if (sc->sc_bus.use_polling) 1809 uhci_waitintr(sc, xfer); 1810 return (USBD_IN_PROGRESS); 1811 } 1812 1813 usbd_status 1814 uhci_device_intr_transfer(xfer) 1815 usbd_xfer_handle xfer; 1816 { 1817 usbd_status err; 1818 1819 /* Insert last in queue. */ 1820 err = usb_insert_transfer(xfer); 1821 if (err) 1822 return (err); 1823 1824 /* 1825 * Pipe isn't running (otherwise err would be USBD_INPROG), 1826 * so start it first. 1827 */ 1828 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1829 } 1830 1831 usbd_status 1832 uhci_device_intr_start(xfer) 1833 usbd_xfer_handle xfer; 1834 { 1835 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1836 usbd_device_handle dev = upipe->pipe.device; 1837 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1838 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1839 uhci_soft_td_t *data, *dataend; 1840 uhci_soft_qh_t *sqh; 1841 usbd_status err; 1842 int i, s; 1843 1844 if (sc->sc_dying) 1845 return (USBD_IOERROR); 1846 1847 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1848 xfer, xfer->length, xfer->flags)); 1849 1850 #ifdef DIAGNOSTIC 1851 if (xfer->rqflags & URQ_REQUEST) 1852 panic("uhci_device_intr_transfer: a request\n"); 1853 #endif 1854 1855 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 1856 &xfer->dmabuf, &data, &dataend); 1857 if (err) 1858 return (err); 1859 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1860 1861 #ifdef UHCI_DEBUG 1862 if (uhcidebug > 10) { 1863 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 1864 uhci_dump_tds(data); 1865 uhci_dump_qh(upipe->u.intr.qhs[0]); 1866 } 1867 #endif 1868 1869 s = splusb(); 1870 /* Set up interrupt info. */ 1871 ii->xfer = xfer; 1872 ii->stdstart = data; 1873 ii->stdend = dataend; 1874 #ifdef DIAGNOSTIC 1875 if (!ii->isdone) { 1876 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 1877 } 1878 ii->isdone = 0; 1879 #endif 1880 1881 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1882 upipe->u.intr.qhs[0])); 1883 for (i = 0; i < upipe->u.intr.npoll; i++) { 1884 sqh = upipe->u.intr.qhs[i]; 1885 sqh->elink = data; 1886 sqh->qh.qh_elink = htole32(data->physaddr); 1887 } 1888 uhci_add_intr_info(sc, ii); 1889 xfer->status = USBD_IN_PROGRESS; 1890 splx(s); 1891 1892 #ifdef UHCI_DEBUG 1893 if (uhcidebug > 10) { 1894 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 1895 uhci_dump_tds(data); 1896 uhci_dump_qh(upipe->u.intr.qhs[0]); 1897 } 1898 #endif 1899 1900 return (USBD_IN_PROGRESS); 1901 } 1902 1903 /* Abort a device control request. */ 1904 void 1905 uhci_device_ctrl_abort(xfer) 1906 usbd_xfer_handle xfer; 1907 { 1908 DPRINTF(("uhci_device_ctrl_abort:\n")); 1909 uhci_abort_xfer(xfer, USBD_CANCELLED); 1910 } 1911 1912 /* Close a device control pipe. */ 1913 void 1914 uhci_device_ctrl_close(pipe) 1915 usbd_pipe_handle pipe; 1916 { 1917 } 1918 1919 /* Abort a device interrupt request. */ 1920 void 1921 uhci_device_intr_abort(xfer) 1922 usbd_xfer_handle xfer; 1923 { 1924 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 1925 if (xfer->pipe->intrxfer == xfer) { 1926 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1927 xfer->pipe->intrxfer = 0; 1928 } 1929 uhci_abort_xfer(xfer, USBD_CANCELLED); 1930 } 1931 1932 /* Close a device interrupt pipe. */ 1933 void 1934 uhci_device_intr_close(pipe) 1935 usbd_pipe_handle pipe; 1936 { 1937 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1938 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1939 int i, npoll; 1940 int s; 1941 1942 /* Unlink descriptors from controller data structures. */ 1943 npoll = upipe->u.intr.npoll; 1944 s = splusb(); 1945 for (i = 0; i < npoll; i++) 1946 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 1947 splx(s); 1948 1949 /* 1950 * We now have to wait for any activity on the physical 1951 * descriptors to stop. 1952 */ 1953 usb_delay_ms(&sc->sc_bus, 2); 1954 1955 for(i = 0; i < npoll; i++) 1956 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1957 free(upipe->u.intr.qhs, M_USBHC); 1958 1959 /* XXX free other resources */ 1960 } 1961 1962 usbd_status 1963 uhci_device_request(xfer) 1964 usbd_xfer_handle xfer; 1965 { 1966 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1967 usb_device_request_t *req = &xfer->request; 1968 usbd_device_handle dev = upipe->pipe.device; 1969 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1970 int addr = dev->address; 1971 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1972 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1973 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 1974 uhci_soft_qh_t *sqh; 1975 int len; 1976 u_int32_t ls; 1977 usbd_status err; 1978 int isread; 1979 int s; 1980 1981 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1982 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1983 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1984 UGETW(req->wIndex), UGETW(req->wLength), 1985 addr, endpt)); 1986 1987 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1988 isread = req->bmRequestType & UT_READ; 1989 len = UGETW(req->wLength); 1990 1991 setup = upipe->u.ctl.setup; 1992 stat = upipe->u.ctl.stat; 1993 sqh = upipe->u.ctl.sqh; 1994 1995 /* Set up data transaction */ 1996 if (len != 0) { 1997 upipe->nexttoggle = 1; 1998 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1999 &xfer->dmabuf, &data, &dataend); 2000 if (err) 2001 return (err); 2002 next = data; 2003 dataend->link.std = stat; 2004 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF); 2005 } else { 2006 next = stat; 2007 } 2008 upipe->u.ctl.length = len; 2009 2010 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2011 2012 setup->link.std = next; 2013 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF); 2014 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2015 UHCI_TD_ACTIVE); 2016 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2017 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2018 2019 stat->link.std = NULL; 2020 stat->td.td_link = htole32(UHCI_PTR_T); 2021 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2022 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2023 stat->td.td_token = 2024 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2025 UHCI_TD_IN (0, endpt, addr, 1)); 2026 stat->td.td_buffer = htole32(0); 2027 2028 #ifdef UHCI_DEBUG 2029 if (uhcidebug > 10) { 2030 DPRINTF(("uhci_device_request: before transfer\n")); 2031 uhci_dump_tds(setup); 2032 } 2033 #endif 2034 2035 /* Set up interrupt info. */ 2036 ii->xfer = xfer; 2037 ii->stdstart = setup; 2038 ii->stdend = stat; 2039 #ifdef DIAGNOSTIC 2040 if (!ii->isdone) { 2041 printf("uhci_device_request: not done, ii=%p\n", ii); 2042 } 2043 ii->isdone = 0; 2044 #endif 2045 2046 sqh->elink = setup; 2047 sqh->qh.qh_elink = htole32(setup->physaddr); 2048 2049 s = splusb(); 2050 uhci_add_ctrl(sc, sqh); 2051 uhci_add_intr_info(sc, ii); 2052 #ifdef UHCI_DEBUG 2053 if (uhcidebug > 12) { 2054 uhci_soft_td_t *std; 2055 uhci_soft_qh_t *xqh; 2056 uhci_soft_qh_t *sxqh; 2057 int maxqh = 0; 2058 uhci_physaddr_t link; 2059 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2060 for (std = sc->sc_vframes[0].htd, link = 0; 2061 (link & UHCI_PTR_Q) == 0; 2062 std = std->link.std) { 2063 link = le32toh(std->td.td_link); 2064 uhci_dump_td(std); 2065 } 2066 sxqh = (uhci_soft_qh_t *)std; 2067 uhci_dump_qh(sxqh); 2068 for (xqh = sxqh; 2069 xqh != NULL; 2070 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 2071 xqh->hlink==xqh ? NULL : xqh->hlink)) { 2072 uhci_dump_qh(xqh); 2073 } 2074 DPRINTF(("Enqueued QH:\n")); 2075 uhci_dump_qh(sqh); 2076 uhci_dump_tds(sqh->elink); 2077 } 2078 #endif 2079 if (xfer->timeout && !sc->sc_bus.use_polling) { 2080 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2081 uhci_timeout, ii); 2082 } 2083 xfer->status = USBD_IN_PROGRESS; 2084 splx(s); 2085 2086 return (USBD_NORMAL_COMPLETION); 2087 } 2088 2089 usbd_status 2090 uhci_device_isoc_transfer(xfer) 2091 usbd_xfer_handle xfer; 2092 { 2093 usbd_status err; 2094 2095 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2096 2097 /* Put it on our queue, */ 2098 err = usb_insert_transfer(xfer); 2099 2100 /* bail out on error, */ 2101 if (err && err != USBD_IN_PROGRESS) 2102 return (err); 2103 2104 /* XXX should check inuse here */ 2105 2106 /* insert into schedule, */ 2107 uhci_device_isoc_enter(xfer); 2108 2109 /* and start if the pipe wasn't running */ 2110 if (!err) 2111 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2112 2113 return (err); 2114 } 2115 2116 void 2117 uhci_device_isoc_enter(xfer) 2118 usbd_xfer_handle xfer; 2119 { 2120 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2121 usbd_device_handle dev = upipe->pipe.device; 2122 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2123 struct iso *iso = &upipe->u.iso; 2124 uhci_soft_td_t *std; 2125 u_int32_t buf, len, status; 2126 int s, i, next, nframes; 2127 2128 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2129 "nframes=%d\n", 2130 iso->inuse, iso->next, xfer, xfer->nframes)); 2131 2132 if (sc->sc_dying) 2133 return; 2134 2135 if (xfer->status == USBD_IN_PROGRESS) { 2136 /* This request has already been entered into the frame list */ 2137 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2138 /* XXX */ 2139 } 2140 2141 #ifdef DIAGNOSTIC 2142 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2143 printf("uhci_device_isoc_enter: overflow!\n"); 2144 #endif 2145 2146 next = iso->next; 2147 if (next == -1) { 2148 /* Not in use yet, schedule it a few frames ahead. */ 2149 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2150 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2151 } 2152 2153 xfer->status = USBD_IN_PROGRESS; 2154 UXFER(xfer)->curframe = next; 2155 2156 buf = DMAADDR(&xfer->dmabuf); 2157 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2158 UHCI_TD_ACTIVE | 2159 UHCI_TD_IOS); 2160 nframes = xfer->nframes; 2161 s = splusb(); 2162 for (i = 0; i < nframes; i++) { 2163 std = iso->stds[next]; 2164 if (++next >= UHCI_VFRAMELIST_COUNT) 2165 next = 0; 2166 len = xfer->frlengths[i]; 2167 std->td.td_buffer = htole32(buf); 2168 if (i == nframes - 1) 2169 status |= UHCI_TD_IOC; 2170 std->td.td_status = htole32(status); 2171 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2172 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2173 #ifdef UHCI_DEBUG 2174 if (uhcidebug > 5) { 2175 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2176 uhci_dump_td(std); 2177 } 2178 #endif 2179 buf += len; 2180 } 2181 iso->next = next; 2182 iso->inuse += xfer->nframes; 2183 2184 splx(s); 2185 } 2186 2187 usbd_status 2188 uhci_device_isoc_start(xfer) 2189 usbd_xfer_handle xfer; 2190 { 2191 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2192 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2193 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2194 uhci_soft_td_t *end; 2195 int s, i; 2196 2197 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2198 2199 if (sc->sc_dying) 2200 return (USBD_IOERROR); 2201 2202 #ifdef DIAGNOSTIC 2203 if (xfer->status != USBD_IN_PROGRESS) 2204 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2205 #endif 2206 2207 /* Find the last TD */ 2208 i = UXFER(xfer)->curframe + xfer->nframes; 2209 if (i >= UHCI_VFRAMELIST_COUNT) 2210 i -= UHCI_VFRAMELIST_COUNT; 2211 end = upipe->u.iso.stds[i]; 2212 2213 #ifdef DIAGNOSTIC 2214 if (end == NULL) { 2215 printf("uhci_device_isoc_start: end == NULL\n"); 2216 return (USBD_INVAL); 2217 } 2218 #endif 2219 2220 s = splusb(); 2221 2222 /* Set up interrupt info. */ 2223 ii->xfer = xfer; 2224 ii->stdstart = end; 2225 ii->stdend = end; 2226 #ifdef DIAGNOSTIC 2227 if (!ii->isdone) 2228 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2229 ii->isdone = 0; 2230 #endif 2231 uhci_add_intr_info(sc, ii); 2232 2233 splx(s); 2234 2235 return (USBD_IN_PROGRESS); 2236 } 2237 2238 void 2239 uhci_device_isoc_abort(xfer) 2240 usbd_xfer_handle xfer; 2241 { 2242 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2243 uhci_soft_td_t **stds = upipe->u.iso.stds; 2244 uhci_soft_td_t *std; 2245 int i, n, s, nframes, maxlen, len; 2246 2247 s = splusb(); 2248 2249 /* Transfer is already done. */ 2250 if (xfer->status != USBD_NOT_STARTED && 2251 xfer->status != USBD_IN_PROGRESS) { 2252 splx(s); 2253 return; 2254 } 2255 2256 /* Give xfer the requested abort code. */ 2257 xfer->status = USBD_CANCELLED; 2258 2259 /* make hardware ignore it, */ 2260 nframes = xfer->nframes; 2261 n = UXFER(xfer)->curframe; 2262 maxlen = 0; 2263 for (i = 0; i < nframes; i++) { 2264 std = stds[n]; 2265 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2266 len = UHCI_TD_GET_MAXLEN(std->td.td_token); 2267 if (len > maxlen) 2268 maxlen = len; 2269 if (++n >= UHCI_VFRAMELIST_COUNT) 2270 n = 0; 2271 } 2272 2273 /* and wait until we are sure the hardware has finished. */ 2274 delay(maxlen); 2275 2276 #ifdef DIAGNOSTIC 2277 UXFER(xfer)->iinfo.isdone = 1; 2278 #endif 2279 /* Run callback and remove from interrupt list. */ 2280 usb_transfer_complete(xfer); 2281 2282 splx(s); 2283 } 2284 2285 void 2286 uhci_device_isoc_close(pipe) 2287 usbd_pipe_handle pipe; 2288 { 2289 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2290 usbd_device_handle dev = upipe->pipe.device; 2291 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2292 uhci_soft_td_t *std, *vstd; 2293 struct iso *iso; 2294 int i, s; 2295 2296 /* 2297 * Make sure all TDs are marked as inactive. 2298 * Wait for completion. 2299 * Unschedule. 2300 * Deallocate. 2301 */ 2302 iso = &upipe->u.iso; 2303 2304 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2305 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2306 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2307 2308 s = splusb(); 2309 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2310 std = iso->stds[i]; 2311 for (vstd = sc->sc_vframes[i].htd; 2312 vstd != NULL && vstd->link.std != std; 2313 vstd = vstd->link.std) 2314 ; 2315 if (vstd == NULL) { 2316 /*panic*/ 2317 printf("uhci_device_isoc_close: %p not found\n", std); 2318 splx(s); 2319 return; 2320 } 2321 vstd->link = std->link; 2322 vstd->td.td_link = std->td.td_link; 2323 uhci_free_std(sc, std); 2324 } 2325 splx(s); 2326 2327 free(iso->stds, M_USBHC); 2328 } 2329 2330 usbd_status 2331 uhci_setup_isoc(pipe) 2332 usbd_pipe_handle pipe; 2333 { 2334 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2335 usbd_device_handle dev = upipe->pipe.device; 2336 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2337 int addr = upipe->pipe.device->address; 2338 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2339 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2340 uhci_soft_td_t *std, *vstd; 2341 u_int32_t token; 2342 struct iso *iso; 2343 int i, s; 2344 2345 iso = &upipe->u.iso; 2346 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2347 M_USBHC, M_WAITOK); 2348 2349 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2350 UHCI_TD_OUT(0, endpt, addr, 0); 2351 2352 /* Allocate the TDs and mark as inactive; */ 2353 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2354 std = uhci_alloc_std(sc); 2355 if (std == 0) 2356 goto bad; 2357 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2358 std->td.td_token = htole32(token); 2359 iso->stds[i] = std; 2360 } 2361 2362 /* Insert TDs into schedule. */ 2363 s = splusb(); 2364 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2365 std = iso->stds[i]; 2366 vstd = sc->sc_vframes[i].htd; 2367 std->link = vstd->link; 2368 std->td.td_link = vstd->td.td_link; 2369 vstd->link.std = std; 2370 vstd->td.td_link = htole32(std->physaddr); 2371 } 2372 splx(s); 2373 2374 iso->next = -1; 2375 iso->inuse = 0; 2376 2377 return (USBD_NORMAL_COMPLETION); 2378 2379 bad: 2380 while (--i >= 0) 2381 uhci_free_std(sc, iso->stds[i]); 2382 free(iso->stds, M_USBHC); 2383 return (USBD_NOMEM); 2384 } 2385 2386 void 2387 uhci_device_isoc_done(xfer) 2388 usbd_xfer_handle xfer; 2389 { 2390 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2391 2392 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2393 2394 if (ii->xfer != xfer) 2395 /* Not on interrupt list, ignore it. */ 2396 return; 2397 2398 #ifdef DIAGNOSTIC 2399 if (xfer->busy_free != XFER_BUSY) { 2400 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2401 xfer, xfer->busy_free); 2402 return; 2403 } 2404 2405 if (ii->stdend == NULL) { 2406 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2407 #ifdef UHCI_DEBUG 2408 uhci_dump_ii(ii); 2409 #endif 2410 return; 2411 } 2412 #endif 2413 2414 /* Turn off the interrupt since it is active even if the TD is not. */ 2415 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2416 2417 uhci_del_intr_info(ii); /* remove from active list */ 2418 } 2419 2420 void 2421 uhci_device_intr_done(xfer) 2422 usbd_xfer_handle xfer; 2423 { 2424 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2425 uhci_softc_t *sc = ii->sc; 2426 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2427 uhci_soft_qh_t *sqh; 2428 int i, npoll; 2429 2430 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2431 2432 npoll = upipe->u.intr.npoll; 2433 for(i = 0; i < npoll; i++) { 2434 sqh = upipe->u.intr.qhs[i]; 2435 sqh->elink = 0; 2436 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2437 } 2438 uhci_free_std_chain(sc, ii->stdstart, 0); 2439 2440 /* XXX Wasteful. */ 2441 if (xfer->pipe->repeat) { 2442 uhci_soft_td_t *data, *dataend; 2443 2444 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2445 2446 /* This alloc cannot fail since we freed the chain above. */ 2447 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2448 &xfer->dmabuf, &data, &dataend); 2449 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2450 2451 #ifdef UHCI_DEBUG 2452 if (uhcidebug > 10) { 2453 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2454 uhci_dump_tds(data); 2455 uhci_dump_qh(upipe->u.intr.qhs[0]); 2456 } 2457 #endif 2458 2459 ii->stdstart = data; 2460 ii->stdend = dataend; 2461 #ifdef DIAGNOSTIC 2462 if (!ii->isdone) { 2463 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2464 } 2465 ii->isdone = 0; 2466 #endif 2467 for (i = 0; i < npoll; i++) { 2468 sqh = upipe->u.intr.qhs[i]; 2469 sqh->elink = data; 2470 sqh->qh.qh_elink = htole32(data->physaddr); 2471 } 2472 xfer->status = USBD_IN_PROGRESS; 2473 /* The ii is already on the examined list, just leave it. */ 2474 } else { 2475 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2476 uhci_del_intr_info(ii); 2477 } 2478 } 2479 2480 /* Deallocate request data structures */ 2481 void 2482 uhci_device_ctrl_done(xfer) 2483 usbd_xfer_handle xfer; 2484 { 2485 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2486 uhci_softc_t *sc = ii->sc; 2487 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2488 2489 #ifdef DIAGNOSTIC 2490 if (!(xfer->rqflags & URQ_REQUEST)) 2491 panic("uhci_ctrl_done: not a request\n"); 2492 #endif 2493 2494 uhci_del_intr_info(ii); /* remove from active list */ 2495 2496 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2497 2498 if (upipe->u.ctl.length != 0) 2499 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2500 2501 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2502 } 2503 2504 /* Deallocate request data structures */ 2505 void 2506 uhci_device_bulk_done(xfer) 2507 usbd_xfer_handle xfer; 2508 { 2509 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2510 uhci_softc_t *sc = ii->sc; 2511 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2512 2513 uhci_del_intr_info(ii); /* remove from active list */ 2514 2515 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2516 2517 uhci_free_std_chain(sc, ii->stdstart, 0); 2518 2519 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2520 } 2521 2522 /* Add interrupt QH, called with vflock. */ 2523 void 2524 uhci_add_intr(sc, sqh) 2525 uhci_softc_t *sc; 2526 uhci_soft_qh_t *sqh; 2527 { 2528 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2529 uhci_soft_qh_t *eqh; 2530 2531 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2532 2533 eqh = vf->eqh; 2534 sqh->hlink = eqh->hlink; 2535 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2536 eqh->hlink = sqh; 2537 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 2538 vf->eqh = sqh; 2539 vf->bandwidth++; 2540 } 2541 2542 /* Remove interrupt QH, called with vflock. */ 2543 void 2544 uhci_remove_intr(sc, sqh) 2545 uhci_softc_t *sc; 2546 uhci_soft_qh_t *sqh; 2547 { 2548 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2549 uhci_soft_qh_t *pqh; 2550 2551 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2552 2553 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2554 pqh->hlink = sqh->hlink; 2555 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2556 if (vf->eqh == sqh) 2557 vf->eqh = pqh; 2558 vf->bandwidth--; 2559 } 2560 2561 usbd_status 2562 uhci_device_setintr(sc, upipe, ival) 2563 uhci_softc_t *sc; 2564 struct uhci_pipe *upipe; 2565 int ival; 2566 { 2567 uhci_soft_qh_t *sqh; 2568 int i, npoll, s; 2569 u_int bestbw, bw, bestoffs, offs; 2570 2571 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2572 if (ival == 0) { 2573 printf("uhci_setintr: 0 interval\n"); 2574 return (USBD_INVAL); 2575 } 2576 2577 if (ival > UHCI_VFRAMELIST_COUNT) 2578 ival = UHCI_VFRAMELIST_COUNT; 2579 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2580 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2581 2582 upipe->u.intr.npoll = npoll; 2583 upipe->u.intr.qhs = 2584 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2585 2586 /* 2587 * Figure out which offset in the schedule that has most 2588 * bandwidth left over. 2589 */ 2590 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2591 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2592 for (bw = i = 0; i < npoll; i++) 2593 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2594 if (bw < bestbw) { 2595 bestbw = bw; 2596 bestoffs = offs; 2597 } 2598 } 2599 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2600 2601 for(i = 0; i < npoll; i++) { 2602 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2603 sqh->elink = 0; 2604 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2605 sqh->pos = MOD(i * ival + bestoffs); 2606 } 2607 #undef MOD 2608 2609 s = splusb(); 2610 /* Enter QHs into the controller data structures. */ 2611 for(i = 0; i < npoll; i++) 2612 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2613 splx(s); 2614 2615 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2616 return (USBD_NORMAL_COMPLETION); 2617 } 2618 2619 /* Open a new pipe. */ 2620 usbd_status 2621 uhci_open(pipe) 2622 usbd_pipe_handle pipe; 2623 { 2624 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2625 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2626 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2627 usbd_status err; 2628 int ival; 2629 2630 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2631 pipe, pipe->device->address, 2632 ed->bEndpointAddress, sc->sc_addr)); 2633 2634 upipe->aborting = 0; 2635 upipe->nexttoggle = 0; 2636 2637 if (pipe->device->address == sc->sc_addr) { 2638 switch (ed->bEndpointAddress) { 2639 case USB_CONTROL_ENDPOINT: 2640 pipe->methods = &uhci_root_ctrl_methods; 2641 break; 2642 case UE_DIR_IN | UHCI_INTR_ENDPT: 2643 pipe->methods = &uhci_root_intr_methods; 2644 break; 2645 default: 2646 return (USBD_INVAL); 2647 } 2648 } else { 2649 switch (ed->bmAttributes & UE_XFERTYPE) { 2650 case UE_CONTROL: 2651 pipe->methods = &uhci_device_ctrl_methods; 2652 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2653 if (upipe->u.ctl.sqh == NULL) 2654 goto bad; 2655 upipe->u.ctl.setup = uhci_alloc_std(sc); 2656 if (upipe->u.ctl.setup == NULL) { 2657 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2658 goto bad; 2659 } 2660 upipe->u.ctl.stat = uhci_alloc_std(sc); 2661 if (upipe->u.ctl.stat == NULL) { 2662 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2663 uhci_free_std(sc, upipe->u.ctl.setup); 2664 goto bad; 2665 } 2666 err = usb_allocmem(&sc->sc_bus, 2667 sizeof(usb_device_request_t), 2668 0, &upipe->u.ctl.reqdma); 2669 if (err) { 2670 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2671 uhci_free_std(sc, upipe->u.ctl.setup); 2672 uhci_free_std(sc, upipe->u.ctl.stat); 2673 goto bad; 2674 } 2675 break; 2676 case UE_INTERRUPT: 2677 pipe->methods = &uhci_device_intr_methods; 2678 ival = pipe->interval; 2679 if (ival == USBD_DEFAULT_INTERVAL) 2680 ival = ed->bInterval; 2681 return (uhci_device_setintr(sc, upipe, ival)); 2682 case UE_ISOCHRONOUS: 2683 pipe->methods = &uhci_device_isoc_methods; 2684 return (uhci_setup_isoc(pipe)); 2685 case UE_BULK: 2686 pipe->methods = &uhci_device_bulk_methods; 2687 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2688 if (upipe->u.bulk.sqh == NULL) 2689 goto bad; 2690 break; 2691 } 2692 } 2693 return (USBD_NORMAL_COMPLETION); 2694 2695 bad: 2696 return (USBD_NOMEM); 2697 } 2698 2699 /* 2700 * Data structures and routines to emulate the root hub. 2701 */ 2702 usb_device_descriptor_t uhci_devd = { 2703 USB_DEVICE_DESCRIPTOR_SIZE, 2704 UDESC_DEVICE, /* type */ 2705 {0x00, 0x01}, /* USB version */ 2706 UDCLASS_HUB, /* class */ 2707 UDSUBCLASS_HUB, /* subclass */ 2708 0, /* protocol */ 2709 64, /* max packet */ 2710 {0},{0},{0x00,0x01}, /* device id */ 2711 1,2,0, /* string indicies */ 2712 1 /* # of configurations */ 2713 }; 2714 2715 usb_config_descriptor_t uhci_confd = { 2716 USB_CONFIG_DESCRIPTOR_SIZE, 2717 UDESC_CONFIG, 2718 {USB_CONFIG_DESCRIPTOR_SIZE + 2719 USB_INTERFACE_DESCRIPTOR_SIZE + 2720 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2721 1, 2722 1, 2723 0, 2724 UC_SELF_POWERED, 2725 0 /* max power */ 2726 }; 2727 2728 usb_interface_descriptor_t uhci_ifcd = { 2729 USB_INTERFACE_DESCRIPTOR_SIZE, 2730 UDESC_INTERFACE, 2731 0, 2732 0, 2733 1, 2734 UICLASS_HUB, 2735 UISUBCLASS_HUB, 2736 0, 2737 0 2738 }; 2739 2740 usb_endpoint_descriptor_t uhci_endpd = { 2741 USB_ENDPOINT_DESCRIPTOR_SIZE, 2742 UDESC_ENDPOINT, 2743 UE_DIR_IN | UHCI_INTR_ENDPT, 2744 UE_INTERRUPT, 2745 {8}, 2746 255 2747 }; 2748 2749 usb_hub_descriptor_t uhci_hubd_piix = { 2750 USB_HUB_DESCRIPTOR_SIZE, 2751 UDESC_HUB, 2752 2, 2753 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2754 50, /* power on to power good */ 2755 0, 2756 { 0x00 }, /* both ports are removable */ 2757 }; 2758 2759 int 2760 uhci_str(p, l, s) 2761 usb_string_descriptor_t *p; 2762 int l; 2763 char *s; 2764 { 2765 int i; 2766 2767 if (l == 0) 2768 return (0); 2769 p->bLength = 2 * strlen(s) + 2; 2770 if (l == 1) 2771 return (1); 2772 p->bDescriptorType = UDESC_STRING; 2773 l -= 2; 2774 for (i = 0; s[i] && l > 1; i++, l -= 2) 2775 USETW2(p->bString[i], 0, s[i]); 2776 return (2*i+2); 2777 } 2778 2779 /* 2780 * Simulate a hardware hub by handling all the necessary requests. 2781 */ 2782 usbd_status 2783 uhci_root_ctrl_transfer(xfer) 2784 usbd_xfer_handle xfer; 2785 { 2786 usbd_status err; 2787 2788 /* Insert last in queue. */ 2789 err = usb_insert_transfer(xfer); 2790 if (err) 2791 return (err); 2792 2793 /* 2794 * Pipe isn't running (otherwise err would be USBD_INPROG), 2795 * so start it first. 2796 */ 2797 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2798 } 2799 2800 usbd_status 2801 uhci_root_ctrl_start(xfer) 2802 usbd_xfer_handle xfer; 2803 { 2804 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2805 usb_device_request_t *req; 2806 void *buf = NULL; 2807 int port, x; 2808 int s, len, value, index, status, change, l, totlen = 0; 2809 usb_port_status_t ps; 2810 usbd_status err; 2811 2812 if (sc->sc_dying) 2813 return (USBD_IOERROR); 2814 2815 #ifdef DIAGNOSTIC 2816 if (!(xfer->rqflags & URQ_REQUEST)) 2817 panic("uhci_root_ctrl_transfer: not a request\n"); 2818 #endif 2819 req = &xfer->request; 2820 2821 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2822 req->bmRequestType, req->bRequest)); 2823 2824 len = UGETW(req->wLength); 2825 value = UGETW(req->wValue); 2826 index = UGETW(req->wIndex); 2827 2828 if (len != 0) 2829 buf = KERNADDR(&xfer->dmabuf); 2830 2831 #define C(x,y) ((x) | ((y) << 8)) 2832 switch(C(req->bRequest, req->bmRequestType)) { 2833 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2834 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2835 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2836 /* 2837 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2838 * for the integrated root hub. 2839 */ 2840 break; 2841 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2842 if (len > 0) { 2843 *(u_int8_t *)buf = sc->sc_conf; 2844 totlen = 1; 2845 } 2846 break; 2847 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2848 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2849 switch(value >> 8) { 2850 case UDESC_DEVICE: 2851 if ((value & 0xff) != 0) { 2852 err = USBD_IOERROR; 2853 goto ret; 2854 } 2855 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2856 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2857 memcpy(buf, &uhci_devd, l); 2858 break; 2859 case UDESC_CONFIG: 2860 if ((value & 0xff) != 0) { 2861 err = USBD_IOERROR; 2862 goto ret; 2863 } 2864 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2865 memcpy(buf, &uhci_confd, l); 2866 buf = (char *)buf + l; 2867 len -= l; 2868 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2869 totlen += l; 2870 memcpy(buf, &uhci_ifcd, l); 2871 buf = (char *)buf + l; 2872 len -= l; 2873 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2874 totlen += l; 2875 memcpy(buf, &uhci_endpd, l); 2876 break; 2877 case UDESC_STRING: 2878 if (len == 0) 2879 break; 2880 *(u_int8_t *)buf = 0; 2881 totlen = 1; 2882 switch (value & 0xff) { 2883 case 1: /* Vendor */ 2884 totlen = uhci_str(buf, len, sc->sc_vendor); 2885 break; 2886 case 2: /* Product */ 2887 totlen = uhci_str(buf, len, "UHCI root hub"); 2888 break; 2889 } 2890 break; 2891 default: 2892 err = USBD_IOERROR; 2893 goto ret; 2894 } 2895 break; 2896 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2897 if (len > 0) { 2898 *(u_int8_t *)buf = 0; 2899 totlen = 1; 2900 } 2901 break; 2902 case C(UR_GET_STATUS, UT_READ_DEVICE): 2903 if (len > 1) { 2904 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2905 totlen = 2; 2906 } 2907 break; 2908 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2909 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2910 if (len > 1) { 2911 USETW(((usb_status_t *)buf)->wStatus, 0); 2912 totlen = 2; 2913 } 2914 break; 2915 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2916 if (value >= USB_MAX_DEVICES) { 2917 err = USBD_IOERROR; 2918 goto ret; 2919 } 2920 sc->sc_addr = value; 2921 break; 2922 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2923 if (value != 0 && value != 1) { 2924 err = USBD_IOERROR; 2925 goto ret; 2926 } 2927 sc->sc_conf = value; 2928 break; 2929 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2930 break; 2931 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2932 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2933 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2934 err = USBD_IOERROR; 2935 goto ret; 2936 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2937 break; 2938 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2939 break; 2940 /* Hub requests */ 2941 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2942 break; 2943 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2944 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2945 "port=%d feature=%d\n", 2946 index, value)); 2947 if (index == 1) 2948 port = UHCI_PORTSC1; 2949 else if (index == 2) 2950 port = UHCI_PORTSC2; 2951 else { 2952 err = USBD_IOERROR; 2953 goto ret; 2954 } 2955 switch(value) { 2956 case UHF_PORT_ENABLE: 2957 x = UREAD2(sc, port); 2958 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2959 break; 2960 case UHF_PORT_SUSPEND: 2961 x = UREAD2(sc, port); 2962 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2963 break; 2964 case UHF_PORT_RESET: 2965 x = UREAD2(sc, port); 2966 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2967 break; 2968 case UHF_C_PORT_CONNECTION: 2969 x = UREAD2(sc, port); 2970 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2971 break; 2972 case UHF_C_PORT_ENABLE: 2973 x = UREAD2(sc, port); 2974 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2975 break; 2976 case UHF_C_PORT_OVER_CURRENT: 2977 x = UREAD2(sc, port); 2978 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2979 break; 2980 case UHF_C_PORT_RESET: 2981 sc->sc_isreset = 0; 2982 err = USBD_NORMAL_COMPLETION; 2983 goto ret; 2984 case UHF_PORT_CONNECTION: 2985 case UHF_PORT_OVER_CURRENT: 2986 case UHF_PORT_POWER: 2987 case UHF_PORT_LOW_SPEED: 2988 case UHF_C_PORT_SUSPEND: 2989 default: 2990 err = USBD_IOERROR; 2991 goto ret; 2992 } 2993 break; 2994 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 2995 if (index == 1) 2996 port = UHCI_PORTSC1; 2997 else if (index == 2) 2998 port = UHCI_PORTSC2; 2999 else { 3000 err = USBD_IOERROR; 3001 goto ret; 3002 } 3003 if (len > 0) { 3004 *(u_int8_t *)buf = 3005 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3006 UHCI_PORTSC_LS_SHIFT; 3007 totlen = 1; 3008 } 3009 break; 3010 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3011 if (value != 0) { 3012 err = USBD_IOERROR; 3013 goto ret; 3014 } 3015 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3016 totlen = l; 3017 memcpy(buf, &uhci_hubd_piix, l); 3018 break; 3019 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3020 if (len != 4) { 3021 err = USBD_IOERROR; 3022 goto ret; 3023 } 3024 memset(buf, 0, len); 3025 totlen = len; 3026 break; 3027 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3028 if (index == 1) 3029 port = UHCI_PORTSC1; 3030 else if (index == 2) 3031 port = UHCI_PORTSC2; 3032 else { 3033 err = USBD_IOERROR; 3034 goto ret; 3035 } 3036 if (len != 4) { 3037 err = USBD_IOERROR; 3038 goto ret; 3039 } 3040 x = UREAD2(sc, port); 3041 status = change = 0; 3042 if (x & UHCI_PORTSC_CCS ) 3043 status |= UPS_CURRENT_CONNECT_STATUS; 3044 if (x & UHCI_PORTSC_CSC ) 3045 change |= UPS_C_CONNECT_STATUS; 3046 if (x & UHCI_PORTSC_PE ) 3047 status |= UPS_PORT_ENABLED; 3048 if (x & UHCI_PORTSC_POEDC) 3049 change |= UPS_C_PORT_ENABLED; 3050 if (x & UHCI_PORTSC_OCI ) 3051 status |= UPS_OVERCURRENT_INDICATOR; 3052 if (x & UHCI_PORTSC_OCIC ) 3053 change |= UPS_C_OVERCURRENT_INDICATOR; 3054 if (x & UHCI_PORTSC_SUSP ) 3055 status |= UPS_SUSPEND; 3056 if (x & UHCI_PORTSC_LSDA ) 3057 status |= UPS_LOW_SPEED; 3058 status |= UPS_PORT_POWER; 3059 if (sc->sc_isreset) 3060 change |= UPS_C_PORT_RESET; 3061 USETW(ps.wPortStatus, status); 3062 USETW(ps.wPortChange, change); 3063 l = min(len, sizeof ps); 3064 memcpy(buf, &ps, l); 3065 totlen = l; 3066 break; 3067 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3068 err = USBD_IOERROR; 3069 goto ret; 3070 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3071 break; 3072 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3073 if (index == 1) 3074 port = UHCI_PORTSC1; 3075 else if (index == 2) 3076 port = UHCI_PORTSC2; 3077 else { 3078 err = USBD_IOERROR; 3079 goto ret; 3080 } 3081 switch(value) { 3082 case UHF_PORT_ENABLE: 3083 x = UREAD2(sc, port); 3084 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3085 break; 3086 case UHF_PORT_SUSPEND: 3087 x = UREAD2(sc, port); 3088 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3089 break; 3090 case UHF_PORT_RESET: 3091 x = UREAD2(sc, port); 3092 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3093 usb_delay_ms(&sc->sc_bus, 10); 3094 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3095 delay(100); 3096 x = UREAD2(sc, port); 3097 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3098 delay(100); 3099 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3100 index, UREAD2(sc, port))); 3101 sc->sc_isreset = 1; 3102 break; 3103 case UHF_C_PORT_CONNECTION: 3104 case UHF_C_PORT_ENABLE: 3105 case UHF_C_PORT_OVER_CURRENT: 3106 case UHF_PORT_CONNECTION: 3107 case UHF_PORT_OVER_CURRENT: 3108 case UHF_PORT_POWER: 3109 case UHF_PORT_LOW_SPEED: 3110 case UHF_C_PORT_SUSPEND: 3111 case UHF_C_PORT_RESET: 3112 default: 3113 err = USBD_IOERROR; 3114 goto ret; 3115 } 3116 break; 3117 default: 3118 err = USBD_IOERROR; 3119 goto ret; 3120 } 3121 xfer->actlen = totlen; 3122 err = USBD_NORMAL_COMPLETION; 3123 ret: 3124 xfer->status = err; 3125 s = splusb(); 3126 usb_transfer_complete(xfer); 3127 splx(s); 3128 return (USBD_IN_PROGRESS); 3129 } 3130 3131 /* Abort a root control request. */ 3132 void 3133 uhci_root_ctrl_abort(xfer) 3134 usbd_xfer_handle xfer; 3135 { 3136 /* Nothing to do, all transfers are synchronous. */ 3137 } 3138 3139 /* Close the root pipe. */ 3140 void 3141 uhci_root_ctrl_close(pipe) 3142 usbd_pipe_handle pipe; 3143 { 3144 DPRINTF(("uhci_root_ctrl_close\n")); 3145 } 3146 3147 /* Abort a root interrupt request. */ 3148 void 3149 uhci_root_intr_abort(xfer) 3150 usbd_xfer_handle xfer; 3151 { 3152 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3153 3154 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3155 sc->sc_intr_xfer = NULL; 3156 3157 if (xfer->pipe->intrxfer == xfer) { 3158 DPRINTF(("uhci_root_intr_abort: remove\n")); 3159 xfer->pipe->intrxfer = 0; 3160 } 3161 xfer->status = USBD_CANCELLED; 3162 #ifdef DIAGNOSTIC 3163 UXFER(xfer)->iinfo.isdone = 1; 3164 #endif 3165 usb_transfer_complete(xfer); 3166 } 3167 3168 usbd_status 3169 uhci_root_intr_transfer(xfer) 3170 usbd_xfer_handle xfer; 3171 { 3172 usbd_status err; 3173 3174 /* Insert last in queue. */ 3175 err = usb_insert_transfer(xfer); 3176 if (err) 3177 return (err); 3178 3179 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3180 * start first 3181 */ 3182 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3183 } 3184 3185 /* Start a transfer on the root interrupt pipe */ 3186 usbd_status 3187 uhci_root_intr_start(xfer) 3188 usbd_xfer_handle xfer; 3189 { 3190 usbd_pipe_handle pipe = xfer->pipe; 3191 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3192 3193 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3194 xfer, xfer->length, xfer->flags)); 3195 3196 if (sc->sc_dying) 3197 return (USBD_IOERROR); 3198 3199 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3200 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3201 sc->sc_intr_xfer = xfer; 3202 return (USBD_IN_PROGRESS); 3203 } 3204 3205 /* Close the root interrupt pipe. */ 3206 void 3207 uhci_root_intr_close(pipe) 3208 usbd_pipe_handle pipe; 3209 { 3210 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3211 3212 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3213 sc->sc_intr_xfer = NULL; 3214 DPRINTF(("uhci_root_intr_close\n")); 3215 } 3216
Indexes created Tue Sep 30 20:09:53 GMT 2025