uhci.c revision 1.107
1 /* $NetBSD: uhci.c,v 1.107 2000/03/29 18:24:53 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 Static void uhci_abort_unlink_qh __P((struct uhci_pipe *)); 183 Static void uhci_abort_relink_qh __P((struct uhci_pipe *)); 184 185 Static void uhci_timeout __P((void *)); 186 Static void uhci_add_ctrl __P((uhci_softc_t *, uhci_soft_qh_t *)); 187 Static void uhci_add_bulk __P((uhci_softc_t *, uhci_soft_qh_t *)); 188 Static void uhci_remove_ctrl __P((uhci_softc_t *,uhci_soft_qh_t *)); 189 Static void uhci_remove_bulk __P((uhci_softc_t *,uhci_soft_qh_t *)); 190 Static int uhci_str __P((usb_string_descriptor_t *, int, char *)); 191 192 Static usbd_status uhci_setup_isoc __P((usbd_pipe_handle pipe)); 193 Static void uhci_device_isoc_enter __P((usbd_xfer_handle)); 194 195 Static usbd_status uhci_allocm __P((struct usbd_bus *, usb_dma_t *, 196 u_int32_t)); 197 Static void uhci_freem __P((struct usbd_bus *, usb_dma_t *)); 198 199 Static usbd_xfer_handle uhci_allocx __P((struct usbd_bus *)); 200 Static void uhci_freex __P((struct usbd_bus *, usbd_xfer_handle)); 201 202 Static usbd_status uhci_device_ctrl_transfer __P((usbd_xfer_handle)); 203 Static usbd_status uhci_device_ctrl_start __P((usbd_xfer_handle)); 204 Static void uhci_device_ctrl_abort __P((usbd_xfer_handle)); 205 Static void uhci_device_ctrl_close __P((usbd_pipe_handle)); 206 Static void uhci_device_ctrl_done __P((usbd_xfer_handle)); 207 208 Static usbd_status uhci_device_intr_transfer __P((usbd_xfer_handle)); 209 Static usbd_status uhci_device_intr_start __P((usbd_xfer_handle)); 210 Static void uhci_device_intr_abort __P((usbd_xfer_handle)); 211 Static void uhci_device_intr_close __P((usbd_pipe_handle)); 212 Static void uhci_device_intr_done __P((usbd_xfer_handle)); 213 214 Static usbd_status uhci_device_bulk_transfer __P((usbd_xfer_handle)); 215 Static usbd_status uhci_device_bulk_start __P((usbd_xfer_handle)); 216 Static void uhci_device_bulk_abort __P((usbd_xfer_handle)); 217 Static void uhci_device_bulk_close __P((usbd_pipe_handle)); 218 Static void uhci_device_bulk_done __P((usbd_xfer_handle)); 219 220 Static usbd_status uhci_device_isoc_transfer __P((usbd_xfer_handle)); 221 Static usbd_status uhci_device_isoc_start __P((usbd_xfer_handle)); 222 Static void uhci_device_isoc_abort __P((usbd_xfer_handle)); 223 Static void uhci_device_isoc_close __P((usbd_pipe_handle)); 224 Static void uhci_device_isoc_done __P((usbd_xfer_handle)); 225 226 Static usbd_status uhci_root_ctrl_transfer __P((usbd_xfer_handle)); 227 Static usbd_status uhci_root_ctrl_start __P((usbd_xfer_handle)); 228 Static void uhci_root_ctrl_abort __P((usbd_xfer_handle)); 229 Static void uhci_root_ctrl_close __P((usbd_pipe_handle)); 230 Static void uhci_root_ctrl_done __P((usbd_xfer_handle)); 231 232 Static usbd_status uhci_root_intr_transfer __P((usbd_xfer_handle)); 233 Static usbd_status uhci_root_intr_start __P((usbd_xfer_handle)); 234 Static void uhci_root_intr_abort __P((usbd_xfer_handle)); 235 Static void uhci_root_intr_close __P((usbd_pipe_handle)); 236 Static void uhci_root_intr_done __P((usbd_xfer_handle)); 237 238 Static usbd_status uhci_open __P((usbd_pipe_handle)); 239 Static void uhci_poll __P((struct usbd_bus *)); 240 Static void uhci_softintr __P((struct usbd_bus *)); 241 242 Static usbd_status uhci_device_request __P((usbd_xfer_handle xfer)); 243 244 Static void uhci_add_intr __P((uhci_softc_t *, uhci_soft_qh_t *)); 245 Static void uhci_remove_intr __P((uhci_softc_t*, uhci_soft_qh_t*)); 246 Static usbd_status uhci_device_setintr __P((uhci_softc_t *sc, 247 struct uhci_pipe *pipe, int ival)); 248 249 Static void uhci_device_clear_toggle __P((usbd_pipe_handle pipe)); 250 Static void uhci_noop __P((usbd_pipe_handle pipe)); 251 252 Static __inline__ uhci_soft_qh_t *uhci_find_prev_qh 253 __P((uhci_soft_qh_t *, uhci_soft_qh_t *)); 254 255 #ifdef UHCI_DEBUG 256 Static void uhci_dumpregs __P((uhci_softc_t *)); 257 Static void uhci_dump_qhs __P((uhci_soft_qh_t *)); 258 Static void uhci_dump_qh __P((uhci_soft_qh_t *)); 259 Static void uhci_dump_tds __P((uhci_soft_td_t *)); 260 Static void uhci_dump_td __P((uhci_soft_td_t *)); 261 Static void uhci_dump_ii __P((uhci_intr_info_t *ii)); 262 #endif 263 264 #define UWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)) 265 #define UWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)) 266 #define UWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)) 267 #define UREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r)) 268 #define UREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r)) 269 #define UREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r)) 270 271 #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) 272 #define UHCISTS(sc) UREAD2(sc, UHCI_STS) 273 274 #define UHCI_RESET_TIMEOUT 100 /* reset timeout */ 275 276 #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) 277 278 #define UHCI_INTR_ENDPT 1 279 280 struct usbd_bus_methods uhci_bus_methods = { 281 uhci_open, 282 uhci_softintr, 283 uhci_poll, 284 uhci_allocm, 285 uhci_freem, 286 uhci_allocx, 287 uhci_freex, 288 }; 289 290 struct usbd_pipe_methods uhci_root_ctrl_methods = { 291 uhci_root_ctrl_transfer, 292 uhci_root_ctrl_start, 293 uhci_root_ctrl_abort, 294 uhci_root_ctrl_close, 295 uhci_noop, 296 uhci_root_ctrl_done, 297 }; 298 299 struct usbd_pipe_methods uhci_root_intr_methods = { 300 uhci_root_intr_transfer, 301 uhci_root_intr_start, 302 uhci_root_intr_abort, 303 uhci_root_intr_close, 304 uhci_noop, 305 uhci_root_intr_done, 306 }; 307 308 struct usbd_pipe_methods uhci_device_ctrl_methods = { 309 uhci_device_ctrl_transfer, 310 uhci_device_ctrl_start, 311 uhci_device_ctrl_abort, 312 uhci_device_ctrl_close, 313 uhci_noop, 314 uhci_device_ctrl_done, 315 }; 316 317 struct usbd_pipe_methods uhci_device_intr_methods = { 318 uhci_device_intr_transfer, 319 uhci_device_intr_start, 320 uhci_device_intr_abort, 321 uhci_device_intr_close, 322 uhci_device_clear_toggle, 323 uhci_device_intr_done, 324 }; 325 326 struct usbd_pipe_methods uhci_device_bulk_methods = { 327 uhci_device_bulk_transfer, 328 uhci_device_bulk_start, 329 uhci_device_bulk_abort, 330 uhci_device_bulk_close, 331 uhci_device_clear_toggle, 332 uhci_device_bulk_done, 333 }; 334 335 struct usbd_pipe_methods uhci_device_isoc_methods = { 336 uhci_device_isoc_transfer, 337 uhci_device_isoc_start, 338 uhci_device_isoc_abort, 339 uhci_device_isoc_close, 340 uhci_noop, 341 uhci_device_isoc_done, 342 }; 343 344 #define uhci_add_intr_info(sc, ii) \ 345 LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list); 346 #define uhci_del_intr_info(ii) \ 347 LIST_REMOVE((ii), list) 348 349 Static __inline__ uhci_soft_qh_t * 350 uhci_find_prev_qh(pqh, sqh) 351 uhci_soft_qh_t *pqh, *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(sc) 368 uhci_softc_t *sc; 369 { 370 UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ 371 usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ 372 UHCICMD(sc, 0); /* do nothing */ 373 } 374 375 usbd_status 376 uhci_init(sc) 377 uhci_softc_t *sc; 378 { 379 usbd_status err; 380 int i, j; 381 uhci_soft_qh_t *csqh, *bsqh, *sqh; 382 uhci_soft_td_t *std; 383 384 DPRINTFN(1,("uhci_init: start\n")); 385 386 #ifdef UHCI_DEBUG 387 thesc = sc; 388 389 if (uhcidebug > 2) 390 uhci_dumpregs(sc); 391 #endif 392 393 uhci_run(sc, 0); /* stop the controller */ 394 UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ 395 396 uhci_busreset(sc); 397 398 /* Allocate and initialize real frame array. */ 399 err = usb_allocmem(&sc->sc_bus, 400 UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), 401 UHCI_FRAMELIST_ALIGN, &sc->sc_dma); 402 if (err) 403 return (err); 404 sc->sc_pframes = KERNADDR(&sc->sc_dma); 405 UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */ 406 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); /* set frame list*/ 407 408 /* Allocate the dummy QH where bulk traffic will be queued. */ 409 bsqh = uhci_alloc_sqh(sc); 410 if (bsqh == NULL) 411 return (USBD_NOMEM); 412 bsqh->qh.qh_hlink = htole32(UHCI_PTR_T); /* end of QH chain */ 413 bsqh->qh.qh_elink = htole32(UHCI_PTR_T); 414 sc->sc_bulk_start = sc->sc_bulk_end = bsqh; 415 416 /* Allocate the dummy QH where control traffic will be queued. */ 417 csqh = uhci_alloc_sqh(sc); 418 if (csqh == NULL) 419 return (USBD_NOMEM); 420 csqh->hlink = bsqh; 421 csqh->qh.qh_hlink = htole32(bsqh->physaddr | UHCI_PTR_Q); 422 csqh->qh.qh_elink = htole32(UHCI_PTR_T); 423 sc->sc_ctl_start = sc->sc_ctl_end = csqh; 424 425 /* 426 * Make all (virtual) frame list pointers point to the interrupt 427 * queue heads and the interrupt queue heads at the control 428 * queue head and point the physical frame list to the virtual. 429 */ 430 for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 431 std = uhci_alloc_std(sc); 432 sqh = uhci_alloc_sqh(sc); 433 if (std == NULL || sqh == NULL) 434 return (USBD_NOMEM); 435 std->link.sqh = sqh; 436 std->td.td_link = htole32(sqh->physaddr | UHCI_PTR_Q); 437 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 438 std->td.td_token = htole32(0); 439 std->td.td_buffer = htole32(0); 440 sqh->hlink = csqh; 441 sqh->qh.qh_hlink = htole32(csqh->physaddr | UHCI_PTR_Q); 442 sqh->elink = 0; 443 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 444 sc->sc_vframes[i].htd = std; 445 sc->sc_vframes[i].etd = std; 446 sc->sc_vframes[i].hqh = sqh; 447 sc->sc_vframes[i].eqh = sqh; 448 for (j = i; 449 j < UHCI_FRAMELIST_COUNT; 450 j += UHCI_VFRAMELIST_COUNT) 451 sc->sc_pframes[j] = htole32(std->physaddr); 452 } 453 454 LIST_INIT(&sc->sc_intrhead); 455 456 SIMPLEQ_INIT(&sc->sc_free_xfers); 457 458 usb_callout_init(sc->sc_poll_handle); 459 460 /* Set up the bus struct. */ 461 sc->sc_bus.methods = &uhci_bus_methods; 462 sc->sc_bus.pipe_size = sizeof(struct uhci_pipe); 463 464 #if defined(__NetBSD__) || defined(__OpenBSD__) 465 sc->sc_suspend = PWR_RESUME; 466 sc->sc_powerhook = powerhook_establish(uhci_power, sc); 467 sc->sc_shutdownhook = shutdownhook_establish(uhci_shutdown, sc); 468 #endif 469 470 DPRINTFN(1,("uhci_init: enabling\n")); 471 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 472 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */ 473 474 UHCICMD(sc, UHCI_CMD_MAXP); /* Assume 64 byte packets at frame end */ 475 476 return (uhci_run(sc, 1)); /* and here we go... */ 477 } 478 479 #if defined(__NetBSD__) || defined(__OpenBSD__) 480 int 481 uhci_activate(self, act) 482 device_ptr_t self; 483 enum devact act; 484 { 485 struct uhci_softc *sc = (struct uhci_softc *)self; 486 int rv = 0; 487 488 switch (act) { 489 case DVACT_ACTIVATE: 490 return (EOPNOTSUPP); 491 break; 492 493 case DVACT_DEACTIVATE: 494 if (sc->sc_child != NULL) 495 rv = config_deactivate(sc->sc_child); 496 break; 497 } 498 return (rv); 499 } 500 501 int 502 uhci_detach(sc, flags) 503 struct uhci_softc *sc; 504 int flags; 505 { 506 usbd_xfer_handle xfer; 507 int rv = 0; 508 509 if (sc->sc_child != NULL) 510 rv = config_detach(sc->sc_child, flags); 511 512 if (rv != 0) 513 return (rv); 514 515 #if defined(__NetBSD__) || defined(__OpenBSD__) 516 powerhook_disestablish(sc->sc_powerhook); 517 shutdownhook_disestablish(sc->sc_shutdownhook); 518 #endif 519 520 /* Free all xfers associated with this HC. */ 521 for (;;) { 522 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 523 if (xfer == NULL) 524 break; 525 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 526 free(xfer, M_USB); 527 } 528 529 /* XXX free other data structures XXX */ 530 531 return (rv); 532 } 533 #endif 534 535 usbd_status 536 uhci_allocm(bus, dma, size) 537 struct usbd_bus *bus; 538 usb_dma_t *dma; 539 u_int32_t size; 540 { 541 struct uhci_softc *sc = (struct uhci_softc *)bus; 542 u_int32_t n; 543 544 /* 545 * XXX 546 * Since we are allocating a buffer we can assume that we will 547 * need TDs for it. Since we don't want to alolocate those from 548 * an interrupt context, we allocate them here and free them again. 549 * This is no guarantee that we'll get the TDs next time... 550 */ 551 n = size / 8; 552 if (n > 16) { 553 u_int32_t i; 554 uhci_soft_td_t **stds; 555 DPRINTF(("uhci_allocm: get %d TDs\n", n)); 556 stds = malloc(sizeof(uhci_soft_td_t *) * n, M_TEMP, M_NOWAIT); 557 memset(stds, 0, sizeof(uhci_soft_td_t *) * n); 558 for(i=0; i < n; i++) 559 stds[i] = uhci_alloc_std(sc); 560 for(i=0; i < n; i++) 561 if (stds[i] != NULL) 562 uhci_free_std(sc, stds[i]); 563 free(stds, M_TEMP); 564 } 565 566 return (usb_allocmem(&sc->sc_bus, size, 0, dma)); 567 } 568 569 void 570 uhci_freem(bus, dma) 571 struct usbd_bus *bus; 572 usb_dma_t *dma; 573 { 574 usb_freemem(&((struct uhci_softc *)bus)->sc_bus, dma); 575 } 576 577 usbd_xfer_handle 578 uhci_allocx(bus) 579 struct usbd_bus *bus; 580 { 581 struct uhci_softc *sc = (struct uhci_softc *)bus; 582 usbd_xfer_handle xfer; 583 584 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 585 if (xfer != NULL) { 586 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 587 #ifdef DIAGNOSTIC 588 if (xfer->busy_free != XFER_FREE) { 589 printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer, 590 xfer->busy_free); 591 } 592 #endif 593 } else { 594 xfer = malloc(sizeof(struct uhci_xfer), M_USB, M_NOWAIT); 595 } 596 if (xfer != NULL) { 597 memset(xfer, 0, sizeof (struct uhci_xfer)); 598 UXFER(xfer)->iinfo.sc = sc; 599 #ifdef DIAGNOSTIC 600 UXFER(xfer)->iinfo.isdone = 1; 601 #endif 602 } 603 #ifdef DIAGNOSTIC 604 xfer->busy_free = XFER_BUSY; 605 #endif 606 return (xfer); 607 } 608 609 void 610 uhci_freex(bus, xfer) 611 struct usbd_bus *bus; 612 usbd_xfer_handle xfer; 613 { 614 struct uhci_softc *sc = (struct uhci_softc *)bus; 615 616 #ifdef DIAGNOSTIC 617 if (xfer->busy_free != XFER_BUSY) { 618 printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer, 619 xfer->busy_free); 620 return; 621 } 622 xfer->busy_free = XFER_FREE; 623 if (!UXFER(xfer)->iinfo.isdone) { 624 printf("uhci_freex: !isdone\n"); 625 return; 626 } 627 #endif 628 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); 629 } 630 631 /* 632 * Shut down the controller when the system is going down. 633 */ 634 void 635 uhci_shutdown(v) 636 void *v; 637 { 638 uhci_softc_t *sc = v; 639 640 DPRINTF(("uhci_shutdown: stopping the HC\n")); 641 uhci_run(sc, 0); /* stop the controller */ 642 } 643 644 /* 645 * Handle suspend/resume. 646 * 647 * We need to switch to polling mode here, because this routine is 648 * called from an intterupt context. This is all right since we 649 * are almost suspended anyway. 650 */ 651 void 652 uhci_power(why, v) 653 int why; 654 void *v; 655 { 656 uhci_softc_t *sc = v; 657 int cmd; 658 int s; 659 660 s = splusb(); 661 cmd = UREAD2(sc, UHCI_CMD); 662 663 DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", 664 sc, why, sc->sc_suspend, cmd)); 665 666 if (why != PWR_RESUME) { 667 #ifdef UHCI_DEBUG 668 if (uhcidebug > 2) 669 uhci_dumpregs(sc); 670 #endif 671 if (sc->sc_intr_xfer != NULL) 672 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, 673 sc->sc_intr_xfer); 674 sc->sc_bus.use_polling++; 675 uhci_run(sc, 0); /* stop the controller */ 676 677 /* save some state if BIOS doesn't */ 678 sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); 679 sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); 680 681 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 682 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 683 sc->sc_suspend = why; 684 sc->sc_bus.use_polling--; 685 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 686 } else { 687 #ifdef DIAGNOSTIC 688 if (sc->sc_suspend == PWR_RESUME) 689 printf("uhci_power: weird, resume without suspend.\n"); 690 #endif 691 sc->sc_bus.use_polling++; 692 sc->sc_suspend = why; 693 if (cmd & UHCI_CMD_RS) 694 uhci_run(sc, 0); /* in case BIOS has started it */ 695 696 /* restore saved state */ 697 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); 698 UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); 699 UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); 700 701 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 702 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 703 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 704 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 705 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 706 uhci_run(sc, 1); /* and start traffic again */ 707 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 708 sc->sc_bus.use_polling--; 709 if (sc->sc_intr_xfer != NULL) 710 usb_callout(sc->sc_poll_handle, sc->sc_ival, 711 uhci_poll_hub, sc->sc_intr_xfer); 712 #ifdef UHCI_DEBUG 713 if (uhcidebug > 2) 714 uhci_dumpregs(sc); 715 #endif 716 } 717 splx(s); 718 } 719 720 #ifdef UHCI_DEBUG 721 Static void 722 uhci_dumpregs(sc) 723 uhci_softc_t *sc; 724 { 725 DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 726 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 727 USBDEVNAME(sc->sc_bus.bdev), 728 UREAD2(sc, UHCI_CMD), 729 UREAD2(sc, UHCI_STS), 730 UREAD2(sc, UHCI_INTR), 731 UREAD2(sc, UHCI_FRNUM), 732 UREAD4(sc, UHCI_FLBASEADDR), 733 UREAD1(sc, UHCI_SOF), 734 UREAD2(sc, UHCI_PORTSC1), 735 UREAD2(sc, UHCI_PORTSC2))); 736 } 737 738 void 739 uhci_dump_td(p) 740 uhci_soft_td_t *p; 741 { 742 DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 743 "token=0x%08lx buffer=0x%08lx\n", 744 p, (long)p->physaddr, 745 (long)le32toh(p->td.td_link), 746 (long)le32toh(p->td.td_status), 747 (long)le32toh(p->td.td_token), 748 (long)le32toh(p->td.td_buffer))); 749 DPRINTFN(-1,(" %b %b,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 750 "D=%d,maxlen=%d\n", 751 (int)le32toh(p->td.td_link), 752 "\20\1T\2Q\3VF", 753 (int)le32toh(p->td.td_status), 754 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 755 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 756 UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), 757 UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), 758 UHCI_TD_GET_PID(le32toh(p->td.td_token)), 759 UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), 760 UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), 761 UHCI_TD_GET_DT(le32toh(p->td.td_token)), 762 UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); 763 } 764 765 void 766 uhci_dump_qh(sqh) 767 uhci_soft_qh_t *sqh; 768 { 769 DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, 770 (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), 771 le32toh(sqh->qh.qh_elink))); 772 } 773 774 775 #if 0 776 void 777 uhci_dump() 778 { 779 uhci_softc_t *sc = thesc; 780 781 uhci_dumpregs(sc); 782 printf("intrs=%d\n", sc->sc_bus.no_intrs); 783 printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link); 784 uhci_dump_qh(sc->sc_ctl_start->qh.hlink); 785 } 786 #endif 787 788 789 void 790 uhci_dump_qhs(sqh) 791 uhci_soft_qh_t *sqh; 792 { 793 uhci_dump_qh(sqh); 794 795 /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards 796 * Traverses sideways first, then down. 797 * 798 * QH1 799 * QH2 800 * No QH 801 * TD2.1 802 * TD2.2 803 * TD1.1 804 * etc. 805 * 806 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. 807 */ 808 809 810 if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) 811 uhci_dump_qhs(sqh->hlink); 812 else 813 DPRINTF(("No QH\n")); 814 815 if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) 816 uhci_dump_tds(sqh->elink); 817 else 818 DPRINTF(("No TD\n")); 819 } 820 821 void 822 uhci_dump_tds(std) 823 uhci_soft_td_t *std; 824 { 825 uhci_soft_td_t *td; 826 827 for(td = std; td != NULL; td = td->link.std) { 828 uhci_dump_td(td); 829 830 /* Check whether the link pointer in this TD marks 831 * the link pointer as end of queue. This avoids 832 * printing the free list in case the queue/TD has 833 * already been moved there (seatbelt). 834 */ 835 if (le32toh(td->td.td_link) & UHCI_PTR_T || 836 le32toh(td->td.td_link) == 0) 837 break; 838 } 839 } 840 841 Static void 842 uhci_dump_ii(ii) 843 uhci_intr_info_t *ii; 844 { 845 usbd_pipe_handle pipe; 846 usb_endpoint_descriptor_t *ed; 847 usbd_device_handle dev; 848 849 #ifdef DIAGNOSTIC 850 #define DONE ii->isdone 851 #else 852 #define DONE 0 853 #endif 854 if (ii == NULL) { 855 printf("ii NULL\n"); 856 return; 857 } 858 if (ii->xfer == NULL) { 859 printf("ii %p: done=%d xfer=NULL\n", 860 ii, DONE); 861 return; 862 } 863 pipe = ii->xfer->pipe; 864 if (pipe == NULL) { 865 printf("ii %p: done=%d xfer=%p pipe=NULL\n", 866 ii, DONE, ii->xfer); 867 return; 868 } 869 ed = pipe->endpoint->edesc; 870 dev = pipe->device; 871 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", 872 ii, DONE, ii->xfer, dev, 873 UGETW(dev->ddesc.idVendor), 874 UGETW(dev->ddesc.idProduct), 875 dev->address, pipe, 876 ed->bEndpointAddress, ed->bmAttributes); 877 #undef DONE 878 } 879 880 void uhci_dump_iis(struct uhci_softc *); 881 void 882 uhci_dump_iis(sc) 883 struct uhci_softc *sc; 884 { 885 uhci_intr_info_t *ii; 886 887 printf("intr_info list:\n"); 888 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 889 uhci_dump_ii(ii); 890 } 891 892 void iidump(void); 893 void iidump() { uhci_dump_iis(thesc); } 894 895 #endif 896 897 /* 898 * This routine is executed periodically and simulates interrupts 899 * from the root controller interrupt pipe for port status change. 900 */ 901 void 902 uhci_poll_hub(addr) 903 void *addr; 904 { 905 usbd_xfer_handle xfer = addr; 906 usbd_pipe_handle pipe = xfer->pipe; 907 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 908 int s; 909 u_char *p; 910 911 DPRINTFN(20, ("uhci_poll_hub\n")); 912 913 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 914 915 p = KERNADDR(&xfer->dmabuf); 916 p[0] = 0; 917 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 918 p[0] |= 1<<1; 919 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 920 p[0] |= 1<<2; 921 if (p[0] == 0) 922 /* No change, try again in a while */ 923 return; 924 925 xfer->actlen = 1; 926 xfer->status = USBD_NORMAL_COMPLETION; 927 s = splusb(); 928 xfer->device->bus->intr_context++; 929 usb_transfer_complete(xfer); 930 xfer->device->bus->intr_context--; 931 splx(s); 932 } 933 934 void 935 uhci_root_intr_done(xfer) 936 usbd_xfer_handle xfer; 937 { 938 } 939 940 void 941 uhci_root_ctrl_done(xfer) 942 usbd_xfer_handle xfer; 943 { 944 } 945 946 /* Add control QH, called at splusb(). */ 947 void 948 uhci_add_ctrl(sc, sqh) 949 uhci_softc_t *sc; 950 uhci_soft_qh_t *sqh; 951 { 952 uhci_soft_qh_t *eqh; 953 954 SPLUSBCHECK; 955 956 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 957 eqh = sc->sc_ctl_end; 958 sqh->hlink = eqh->hlink; 959 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 960 eqh->hlink = sqh; 961 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 962 sc->sc_ctl_end = sqh; 963 } 964 965 /* Remove control QH, called at splusb(). */ 966 void 967 uhci_remove_ctrl(sc, sqh) 968 uhci_softc_t *sc; 969 uhci_soft_qh_t *sqh; 970 { 971 uhci_soft_qh_t *pqh; 972 973 SPLUSBCHECK; 974 975 DPRINTFN(10, ("uhci_remove_ctrl: sqh=%p\n", sqh)); 976 pqh = uhci_find_prev_qh(sc->sc_ctl_start, sqh); 977 pqh->hlink = sqh->hlink; 978 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 979 if (sc->sc_ctl_end == sqh) 980 sc->sc_ctl_end = pqh; 981 } 982 983 /* Add bulk QH, called at splusb(). */ 984 void 985 uhci_add_bulk(sc, sqh) 986 uhci_softc_t *sc; 987 uhci_soft_qh_t *sqh; 988 { 989 uhci_soft_qh_t *eqh; 990 991 SPLUSBCHECK; 992 993 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 994 eqh = sc->sc_bulk_end; 995 sqh->hlink = eqh->hlink; 996 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 997 eqh->hlink = sqh; 998 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 999 sc->sc_bulk_end = sqh; 1000 } 1001 1002 /* Remove bulk QH, called at splusb(). */ 1003 void 1004 uhci_remove_bulk(sc, sqh) 1005 uhci_softc_t *sc; 1006 uhci_soft_qh_t *sqh; 1007 { 1008 uhci_soft_qh_t *pqh; 1009 1010 SPLUSBCHECK; 1011 1012 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 1013 pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); 1014 pqh->hlink = sqh->hlink; 1015 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1016 if (sc->sc_bulk_end == sqh) 1017 sc->sc_bulk_end = pqh; 1018 } 1019 1020 int 1021 uhci_intr(arg) 1022 void *arg; 1023 { 1024 uhci_softc_t *sc = arg; 1025 int status; 1026 int ack; 1027 1028 #ifdef UHCI_DEBUG 1029 if (uhcidebug > 15) { 1030 DPRINTF(("%s: uhci_intr\n", USBDEVNAME(sc->sc_bus.bdev))); 1031 uhci_dumpregs(sc); 1032 } 1033 #endif 1034 1035 status = UREAD2(sc, UHCI_STS); 1036 if (status == 0) /* The interrupt was not for us. */ 1037 return (0); 1038 1039 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1040 if (sc->sc_suspend != PWR_RESUME) 1041 printf("uhci_intr: suspended sts=0x%x\n", status); 1042 #endif 1043 1044 ack = 0; 1045 if (status & UHCI_STS_USBINT) 1046 ack |= UHCI_STS_USBINT; 1047 if (status & UHCI_STS_USBEI) 1048 ack |= UHCI_STS_USBEI; 1049 if (status & UHCI_STS_RD) { 1050 ack |= UHCI_STS_RD; 1051 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1052 } 1053 if (status & UHCI_STS_HSE) { 1054 ack |= UHCI_STS_HSE; 1055 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1056 } 1057 if (status & UHCI_STS_HCPE) { 1058 ack |= UHCI_STS_HCPE; 1059 printf("%s: host controller process error\n", 1060 USBDEVNAME(sc->sc_bus.bdev)); 1061 } 1062 if (status & UHCI_STS_HCH) { 1063 /* no acknowledge needed */ 1064 printf("%s: host controller halted\n", 1065 USBDEVNAME(sc->sc_bus.bdev)); 1066 sc->sc_dying = 1; 1067 } 1068 1069 if (ack) /* acknowledge the ints */ 1070 UWRITE2(sc, UHCI_STS, ack); 1071 else /* nothing to acknowledge */ 1072 return (0); 1073 1074 sc->sc_bus.no_intrs++; 1075 usb_schedsoftintr(&sc->sc_bus); 1076 1077 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1078 1079 return (1); 1080 } 1081 1082 void 1083 uhci_softintr(bus) 1084 struct usbd_bus *bus; 1085 { 1086 uhci_softc_t *sc = (uhci_softc_t *)bus; 1087 uhci_intr_info_t *ii; 1088 1089 DPRINTFN(10,("%s: uhci_softintr\n", USBDEVNAME(sc->sc_bus.bdev))); 1090 1091 sc->sc_bus.intr_context++; 1092 1093 /* 1094 * Interrupts on UHCI really suck. When the host controller 1095 * interrupts because a transfer is completed there is no 1096 * way of knowing which transfer it was. You can scan down 1097 * the TDs and QHs of the previous frame to limit the search, 1098 * but that assumes that the interrupt was not delayed by more 1099 * than 1 ms, which may not always be true (e.g. after debug 1100 * output on a slow console). 1101 * We scan all interrupt descriptors to see if any have 1102 * completed. 1103 */ 1104 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1105 uhci_check_intr(sc, ii); 1106 1107 sc->sc_bus.intr_context--; 1108 } 1109 1110 /* Check for an interrupt. */ 1111 void 1112 uhci_check_intr(sc, ii) 1113 uhci_softc_t *sc; 1114 uhci_intr_info_t *ii; 1115 { 1116 uhci_soft_td_t *std, *lstd; 1117 u_int32_t status; 1118 1119 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1120 #ifdef DIAGNOSTIC 1121 if (ii == NULL) { 1122 printf("uhci_check_intr: no ii? %p\n", ii); 1123 return; 1124 } 1125 #endif 1126 if (ii->stdstart == NULL) 1127 return; 1128 lstd = ii->stdend; 1129 #ifdef DIAGNOSTIC 1130 if (lstd == NULL) { 1131 printf("uhci_check_intr: std==0\n"); 1132 return; 1133 } 1134 #endif 1135 /* 1136 * If the last TD is still active we need to check whether there 1137 * is a an error somewhere in the middle, or whether there was a 1138 * short packet (SPD and not ACTIVE). 1139 */ 1140 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1141 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1142 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1143 status = le32toh(std->td.td_status); 1144 /* If there's an active TD the xfer isn't done. */ 1145 if (status & UHCI_TD_ACTIVE) 1146 break; 1147 /* Any kind of error makes the xfer done. */ 1148 if (status & UHCI_TD_STALLED) 1149 goto done; 1150 /* We want short packets, and it is short: it's done */ 1151 if ((status & UHCI_TD_SPD) && 1152 UHCI_TD_GET_ACTLEN(status) < 1153 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1154 goto done; 1155 } 1156 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1157 ii, ii->stdstart)); 1158 return; 1159 } 1160 done: 1161 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1162 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1163 uhci_idone(ii); 1164 } 1165 1166 /* Called at splusb() */ 1167 void 1168 uhci_idone(ii) 1169 uhci_intr_info_t *ii; 1170 { 1171 usbd_xfer_handle xfer = ii->xfer; 1172 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1173 uhci_soft_td_t *std; 1174 u_int32_t status = 0, nstatus; 1175 int actlen; 1176 1177 #ifdef DIAGNOSTIC 1178 { 1179 int s = splhigh(); 1180 if (ii->isdone) { 1181 splx(s); 1182 #ifdef UHCI_DEBUG 1183 printf("uhci_idone: ii is done!\n "); 1184 uhci_dump_ii(ii); 1185 #else 1186 printf("uhci_idone: ii=%p is done!\n", ii); 1187 #endif 1188 return; 1189 } 1190 ii->isdone = 1; 1191 splx(s); 1192 } 1193 #endif 1194 1195 if (xfer->status == USBD_CANCELLED || 1196 xfer->status == USBD_TIMEOUT) { 1197 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1198 return; 1199 } 1200 1201 if (xfer->nframes != 0) { 1202 /* Isoc transfer, do things differently. */ 1203 uhci_soft_td_t **stds = upipe->u.iso.stds; 1204 int i, n, nframes; 1205 1206 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1207 1208 nframes = xfer->nframes; 1209 actlen = 0; 1210 n = UXFER(xfer)->curframe; 1211 for (i = 0; i < nframes; i++) { 1212 std = stds[n]; 1213 #ifdef UHCI_DEBUG 1214 if (uhcidebug > 5) { 1215 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1216 uhci_dump_td(std); 1217 } 1218 #endif 1219 if (++n >= UHCI_VFRAMELIST_COUNT) 1220 n = 0; 1221 status = le32toh(std->td.td_status); 1222 actlen += UHCI_TD_GET_ACTLEN(status); 1223 } 1224 upipe->u.iso.inuse -= nframes; 1225 xfer->actlen = actlen; 1226 xfer->status = USBD_NORMAL_COMPLETION; 1227 usb_transfer_complete(xfer); 1228 return; 1229 } 1230 1231 #ifdef UHCI_DEBUG 1232 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1233 ii, xfer, upipe)); 1234 if (uhcidebug > 10) 1235 uhci_dump_tds(ii->stdstart); 1236 #endif 1237 1238 /* The transfer is done, compute actual length and status. */ 1239 actlen = 0; 1240 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1241 nstatus = le32toh(std->td.td_status); 1242 if (nstatus & UHCI_TD_ACTIVE) 1243 break; 1244 1245 status = nstatus; 1246 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1247 UHCI_TD_PID_SETUP) 1248 actlen += UHCI_TD_GET_ACTLEN(status); 1249 } 1250 /* If there are left over TDs we need to update the toggle. */ 1251 if (std != NULL) 1252 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1253 1254 status &= UHCI_TD_ERROR; 1255 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 1256 actlen, status)); 1257 xfer->actlen = actlen; 1258 if (status != 0) { 1259 DPRINTFN((status == UHCI_TD_STALLED)*10, 1260 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1261 "status 0x%b\n", 1262 xfer->pipe->device->address, 1263 xfer->pipe->endpoint->edesc->bEndpointAddress, 1264 (int)status, 1265 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 1266 "STALLED\30ACTIVE")); 1267 if (status == UHCI_TD_STALLED) 1268 xfer->status = USBD_STALLED; 1269 else 1270 xfer->status = USBD_IOERROR; /* more info XXX */ 1271 } else { 1272 xfer->status = USBD_NORMAL_COMPLETION; 1273 } 1274 usb_transfer_complete(xfer); 1275 } 1276 1277 /* 1278 * Called when a request does not complete. 1279 */ 1280 void 1281 uhci_timeout(addr) 1282 void *addr; 1283 { 1284 uhci_intr_info_t *ii = addr; 1285 1286 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1287 1288 #ifdef UHCI_DEBUG 1289 if (uhcidebug > 10) 1290 uhci_dump_tds(ii->stdstart); 1291 #endif 1292 1293 ii->xfer->device->bus->intr_context++; 1294 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1295 ii->xfer->device->bus->intr_context--; 1296 } 1297 1298 /* 1299 * Wait here until controller claims to have an interrupt. 1300 * Then call uhci_intr and return. Use timeout to avoid waiting 1301 * too long. 1302 * Only used during boot when interrupts are not enabled yet. 1303 */ 1304 void 1305 uhci_waitintr(sc, xfer) 1306 uhci_softc_t *sc; 1307 usbd_xfer_handle xfer; 1308 { 1309 int timo = xfer->timeout; 1310 uhci_intr_info_t *ii; 1311 1312 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1313 1314 xfer->status = USBD_IN_PROGRESS; 1315 for (; timo >= 0; timo--) { 1316 usb_delay_ms(&sc->sc_bus, 1); 1317 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1318 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1319 uhci_intr(sc); 1320 if (xfer->status != USBD_IN_PROGRESS) 1321 return; 1322 } 1323 } 1324 1325 /* Timeout */ 1326 DPRINTF(("uhci_waitintr: timeout\n")); 1327 for (ii = LIST_FIRST(&sc->sc_intrhead); 1328 ii != NULL && ii->xfer != xfer; 1329 ii = LIST_NEXT(ii, list)) 1330 ; 1331 #ifdef DIAGNOSTIC 1332 if (ii == NULL) 1333 panic("uhci_waitintr: lost intr_info\n"); 1334 #endif 1335 uhci_idone(ii); 1336 } 1337 1338 void 1339 uhci_poll(bus) 1340 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(sc) 1351 uhci_softc_t *sc; 1352 { 1353 int n; 1354 1355 UHCICMD(sc, UHCI_CMD_HCRESET); 1356 /* The reset bit goes low when the controller is done. */ 1357 for (n = 0; n < UHCI_RESET_TIMEOUT && 1358 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1359 usb_delay_ms(&sc->sc_bus, 1); 1360 if (n >= UHCI_RESET_TIMEOUT) 1361 printf("%s: controller did not reset\n", 1362 USBDEVNAME(sc->sc_bus.bdev)); 1363 } 1364 #endif 1365 1366 usbd_status 1367 uhci_run(sc, run) 1368 uhci_softc_t *sc; 1369 int run; 1370 { 1371 int s, n, running; 1372 u_int16_t cmd; 1373 1374 run = run != 0; 1375 s = splusb(); 1376 DPRINTF(("uhci_run: setting run=%d\n", run)); 1377 cmd = UREAD2(sc, UHCI_CMD); 1378 if (run) 1379 cmd |= UHCI_CMD_RS; 1380 else 1381 cmd &= ~UHCI_CMD_RS; 1382 UHCICMD(sc, cmd); 1383 for(n = 0; n < 10; n++) { 1384 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1385 /* return when we've entered the state we want */ 1386 if (run == running) { 1387 splx(s); 1388 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1389 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1390 return (USBD_NORMAL_COMPLETION); 1391 } 1392 usb_delay_ms(&sc->sc_bus, 1); 1393 } 1394 splx(s); 1395 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1396 run ? "start" : "stop"); 1397 return (USBD_IOERROR); 1398 } 1399 1400 /* 1401 * Memory management routines. 1402 * uhci_alloc_std allocates TDs 1403 * uhci_alloc_sqh allocates QHs 1404 * These two routines do their own free list management, 1405 * partly for speed, partly because allocating DMAable memory 1406 * has page size granularaity so much memory would be wasted if 1407 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1408 */ 1409 1410 uhci_soft_td_t * 1411 uhci_alloc_std(sc) 1412 uhci_softc_t *sc; 1413 { 1414 uhci_soft_td_t *std; 1415 usbd_status err; 1416 int i, offs; 1417 usb_dma_t dma; 1418 1419 if (sc->sc_freetds == NULL) { 1420 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1421 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1422 UHCI_TD_ALIGN, &dma); 1423 if (err) 1424 return (0); 1425 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1426 offs = i * UHCI_STD_SIZE; 1427 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1428 std->physaddr = DMAADDR(&dma) + offs; 1429 std->link.std = sc->sc_freetds; 1430 sc->sc_freetds = std; 1431 } 1432 } 1433 std = sc->sc_freetds; 1434 sc->sc_freetds = std->link.std; 1435 memset(&std->td, 0, sizeof(uhci_td_t)); 1436 return std; 1437 } 1438 1439 void 1440 uhci_free_std(sc, std) 1441 uhci_softc_t *sc; 1442 uhci_soft_td_t *std; 1443 { 1444 #ifdef DIAGNOSTIC 1445 #define TD_IS_FREE 0x12345678 1446 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1447 printf("uhci_free_std: freeing free TD %p\n", std); 1448 return; 1449 } 1450 std->td.td_token = htole32(TD_IS_FREE); 1451 #endif 1452 std->link.std = sc->sc_freetds; 1453 sc->sc_freetds = std; 1454 } 1455 1456 uhci_soft_qh_t * 1457 uhci_alloc_sqh(sc) 1458 uhci_softc_t *sc; 1459 { 1460 uhci_soft_qh_t *sqh; 1461 usbd_status err; 1462 int i, offs; 1463 usb_dma_t dma; 1464 1465 if (sc->sc_freeqhs == NULL) { 1466 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1467 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1468 UHCI_QH_ALIGN, &dma); 1469 if (err) 1470 return (0); 1471 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1472 offs = i * UHCI_SQH_SIZE; 1473 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1474 sqh->physaddr = DMAADDR(&dma) + offs; 1475 sqh->hlink = sc->sc_freeqhs; 1476 sc->sc_freeqhs = sqh; 1477 } 1478 } 1479 sqh = sc->sc_freeqhs; 1480 sc->sc_freeqhs = sqh->hlink; 1481 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1482 return (sqh); 1483 } 1484 1485 void 1486 uhci_free_sqh(sc, sqh) 1487 uhci_softc_t *sc; 1488 uhci_soft_qh_t *sqh; 1489 { 1490 sqh->hlink = sc->sc_freeqhs; 1491 sc->sc_freeqhs = sqh; 1492 } 1493 1494 void 1495 uhci_free_std_chain(sc, std, stdend) 1496 uhci_softc_t *sc; 1497 uhci_soft_td_t *std; 1498 uhci_soft_td_t *stdend; 1499 { 1500 uhci_soft_td_t *p; 1501 1502 for (; std != stdend; std = p) { 1503 p = std->link.std; 1504 uhci_free_std(sc, std); 1505 } 1506 } 1507 1508 usbd_status 1509 uhci_alloc_std_chain(upipe, sc, len, rd, flags, dma, sp, ep) 1510 struct uhci_pipe *upipe; 1511 uhci_softc_t *sc; 1512 int len, rd; 1513 u_int16_t flags; 1514 usb_dma_t *dma; 1515 uhci_soft_td_t **sp, **ep; 1516 { 1517 uhci_soft_td_t *p, *lastp; 1518 uhci_physaddr_t lastlink; 1519 int i, ntd, l, tog, maxp; 1520 u_int32_t status; 1521 int addr = upipe->pipe.device->address; 1522 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1523 1524 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1525 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1526 upipe->pipe.device->lowspeed, flags)); 1527 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1528 if (maxp == 0) { 1529 printf("uhci_alloc_std_chain: maxp=0\n"); 1530 return (USBD_INVAL); 1531 } 1532 ntd = (len + maxp - 1) / maxp; 1533 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1534 ntd++; 1535 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1536 if (ntd == 0) { 1537 *sp = *ep = 0; 1538 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1539 return (USBD_NORMAL_COMPLETION); 1540 } 1541 tog = upipe->nexttoggle; 1542 if (ntd % 2 == 0) 1543 tog ^= 1; 1544 upipe->nexttoggle = tog ^ 1; 1545 lastp = 0; 1546 lastlink = UHCI_PTR_T; 1547 ntd--; 1548 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1549 if (upipe->pipe.device->lowspeed) 1550 status |= UHCI_TD_LS; 1551 if (flags & USBD_SHORT_XFER_OK) 1552 status |= UHCI_TD_SPD; 1553 for (i = ntd; i >= 0; i--) { 1554 p = uhci_alloc_std(sc); 1555 if (p == NULL) { 1556 uhci_free_std_chain(sc, lastp, 0); 1557 return (USBD_NOMEM); 1558 } 1559 p->link.std = lastp; 1560 if (lastlink == UHCI_PTR_T) 1561 p->td.td_link = htole32(lastlink); 1562 else 1563 p->td.td_link = htole32(lastlink|UHCI_PTR_VF); 1564 lastp = p; 1565 lastlink = p->physaddr; 1566 p->td.td_status = htole32(status); 1567 if (i == ntd) { 1568 /* last TD */ 1569 l = len % maxp; 1570 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1571 l = maxp; 1572 *ep = p; 1573 } else 1574 l = maxp; 1575 p->td.td_token = 1576 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1577 UHCI_TD_OUT(l, endpt, addr, tog)); 1578 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1579 tog ^= 1; 1580 } 1581 *sp = lastp; 1582 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1583 upipe->nexttoggle)); 1584 return (USBD_NORMAL_COMPLETION); 1585 } 1586 1587 void 1588 uhci_device_clear_toggle(pipe) 1589 usbd_pipe_handle pipe; 1590 { 1591 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1592 upipe->nexttoggle = 0; 1593 } 1594 1595 void 1596 uhci_noop(pipe) 1597 usbd_pipe_handle pipe; 1598 { 1599 } 1600 1601 usbd_status 1602 uhci_device_bulk_transfer(xfer) 1603 usbd_xfer_handle xfer; 1604 { 1605 usbd_status err; 1606 1607 /* Insert last in queue. */ 1608 err = usb_insert_transfer(xfer); 1609 if (err) 1610 return (err); 1611 1612 /* 1613 * Pipe isn't running (otherwise err would be USBD_INPROG), 1614 * so start it first. 1615 */ 1616 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1617 } 1618 1619 usbd_status 1620 uhci_device_bulk_start(xfer) 1621 usbd_xfer_handle xfer; 1622 { 1623 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1624 usbd_device_handle dev = upipe->pipe.device; 1625 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1626 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1627 uhci_soft_td_t *data, *dataend; 1628 uhci_soft_qh_t *sqh; 1629 usbd_status err; 1630 int len, isread, endpt; 1631 int s; 1632 1633 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1634 xfer, xfer->length, xfer->flags)); 1635 1636 if (sc->sc_dying) 1637 return (USBD_IOERROR); 1638 1639 #ifdef DIAGNOSTIC 1640 if (xfer->rqflags & URQ_REQUEST) 1641 panic("uhci_device_bulk_transfer: a request\n"); 1642 #endif 1643 1644 len = xfer->length; 1645 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1646 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1647 sqh = upipe->u.bulk.sqh; 1648 1649 upipe->u.bulk.isread = isread; 1650 upipe->u.bulk.length = len; 1651 1652 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1653 &xfer->dmabuf, &data, &dataend); 1654 if (err) 1655 return (err); 1656 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1657 1658 #ifdef UHCI_DEBUG 1659 if (uhcidebug > 8) { 1660 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1661 uhci_dump_tds(data); 1662 } 1663 #endif 1664 1665 /* Set up interrupt info. */ 1666 ii->xfer = xfer; 1667 ii->stdstart = data; 1668 ii->stdend = dataend; 1669 #ifdef DIAGNOSTIC 1670 if (!ii->isdone) { 1671 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1672 } 1673 ii->isdone = 0; 1674 #endif 1675 1676 sqh->elink = data; 1677 sqh->qh.qh_elink = htole32(data->physaddr); 1678 1679 s = splusb(); 1680 uhci_add_bulk(sc, sqh); 1681 uhci_add_intr_info(sc, ii); 1682 1683 if (xfer->timeout && !sc->sc_bus.use_polling) { 1684 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1685 uhci_timeout, ii); 1686 } 1687 xfer->status = USBD_IN_PROGRESS; 1688 splx(s); 1689 1690 #ifdef UHCI_DEBUG 1691 if (uhcidebug > 10) { 1692 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1693 uhci_dump_tds(data); 1694 } 1695 #endif 1696 1697 if (sc->sc_bus.use_polling) 1698 uhci_waitintr(sc, xfer); 1699 1700 return (USBD_IN_PROGRESS); 1701 } 1702 1703 /* Abort a device bulk request. */ 1704 void 1705 uhci_device_bulk_abort(xfer) 1706 usbd_xfer_handle xfer; 1707 { 1708 DPRINTF(("uhci_device_bulk_abort:\n")); 1709 uhci_abort_xfer(xfer, USBD_CANCELLED); 1710 } 1711 1712 /* 1713 * XXX This way of aborting is neither safe, nor good. 1714 * But it will have to do until I figure out what to do. 1715 * I apologize for the delay(). 1716 */ 1717 void 1718 uhci_abort_xfer(xfer, status) 1719 usbd_xfer_handle xfer; 1720 usbd_status status; 1721 { 1722 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1723 uhci_soft_td_t *std; 1724 int s; 1725 1726 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1727 1728 s = splusb(); 1729 1730 /* Transfer is already done. */ 1731 if (xfer->status != USBD_NOT_STARTED && 1732 xfer->status != USBD_IN_PROGRESS) { 1733 splx(s); 1734 return; 1735 } 1736 1737 /* Make interrupt routine ignore it, */ 1738 xfer->status = status; 1739 1740 /* don't timeout, */ 1741 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1742 1743 /* make hardware ignore it, */ 1744 for (std = ii->stdstart; std != NULL; std = std->link.std) 1745 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1746 1747 xfer->hcpriv = ii; 1748 1749 splx(s); 1750 1751 delay(1000); 1752 1753 s = splusb(); 1754 #ifdef DIAGNOSTIC 1755 ii->isdone = 1; 1756 #endif 1757 usb_transfer_complete(xfer); 1758 splx(s); 1759 } 1760 1761 /* Close a device bulk pipe. */ 1762 void 1763 uhci_device_bulk_close(pipe) 1764 usbd_pipe_handle pipe; 1765 { 1766 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1767 usbd_device_handle dev = upipe->pipe.device; 1768 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1769 1770 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1771 } 1772 1773 usbd_status 1774 uhci_device_ctrl_transfer(xfer) 1775 usbd_xfer_handle xfer; 1776 { 1777 usbd_status err; 1778 1779 /* Insert last in queue. */ 1780 err = usb_insert_transfer(xfer); 1781 if (err) 1782 return (err); 1783 1784 /* 1785 * Pipe isn't running (otherwise err would be USBD_INPROG), 1786 * so start it first. 1787 */ 1788 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1789 } 1790 1791 usbd_status 1792 uhci_device_ctrl_start(xfer) 1793 usbd_xfer_handle xfer; 1794 { 1795 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1796 usbd_status err; 1797 1798 if (sc->sc_dying) 1799 return (USBD_IOERROR); 1800 1801 #ifdef DIAGNOSTIC 1802 if (!(xfer->rqflags & URQ_REQUEST)) 1803 panic("uhci_device_ctrl_transfer: not a request\n"); 1804 #endif 1805 1806 err = uhci_device_request(xfer); 1807 if (err) 1808 return (err); 1809 1810 if (sc->sc_bus.use_polling) 1811 uhci_waitintr(sc, xfer); 1812 return (USBD_IN_PROGRESS); 1813 } 1814 1815 usbd_status 1816 uhci_device_intr_transfer(xfer) 1817 usbd_xfer_handle xfer; 1818 { 1819 usbd_status err; 1820 1821 /* Insert last in queue. */ 1822 err = usb_insert_transfer(xfer); 1823 if (err) 1824 return (err); 1825 1826 /* 1827 * Pipe isn't running (otherwise err would be USBD_INPROG), 1828 * so start it first. 1829 */ 1830 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1831 } 1832 1833 usbd_status 1834 uhci_device_intr_start(xfer) 1835 usbd_xfer_handle xfer; 1836 { 1837 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1838 usbd_device_handle dev = upipe->pipe.device; 1839 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1840 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1841 uhci_soft_td_t *data, *dataend; 1842 uhci_soft_qh_t *sqh; 1843 usbd_status err; 1844 int i, s; 1845 1846 if (sc->sc_dying) 1847 return (USBD_IOERROR); 1848 1849 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1850 xfer, xfer->length, xfer->flags)); 1851 1852 #ifdef DIAGNOSTIC 1853 if (xfer->rqflags & URQ_REQUEST) 1854 panic("uhci_device_intr_transfer: a request\n"); 1855 #endif 1856 1857 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 1858 &xfer->dmabuf, &data, &dataend); 1859 if (err) 1860 return (err); 1861 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1862 1863 #ifdef UHCI_DEBUG 1864 if (uhcidebug > 10) { 1865 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 1866 uhci_dump_tds(data); 1867 uhci_dump_qh(upipe->u.intr.qhs[0]); 1868 } 1869 #endif 1870 1871 s = splusb(); 1872 /* Set up interrupt info. */ 1873 ii->xfer = xfer; 1874 ii->stdstart = data; 1875 ii->stdend = dataend; 1876 #ifdef DIAGNOSTIC 1877 if (!ii->isdone) { 1878 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 1879 } 1880 ii->isdone = 0; 1881 #endif 1882 1883 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1884 upipe->u.intr.qhs[0])); 1885 for (i = 0; i < upipe->u.intr.npoll; i++) { 1886 sqh = upipe->u.intr.qhs[i]; 1887 sqh->elink = data; 1888 sqh->qh.qh_elink = htole32(data->physaddr); 1889 } 1890 uhci_add_intr_info(sc, ii); 1891 xfer->status = USBD_IN_PROGRESS; 1892 splx(s); 1893 1894 #ifdef UHCI_DEBUG 1895 if (uhcidebug > 10) { 1896 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 1897 uhci_dump_tds(data); 1898 uhci_dump_qh(upipe->u.intr.qhs[0]); 1899 } 1900 #endif 1901 1902 return (USBD_IN_PROGRESS); 1903 } 1904 1905 /* Abort a device control request. */ 1906 void 1907 uhci_device_ctrl_abort(xfer) 1908 usbd_xfer_handle xfer; 1909 { 1910 DPRINTF(("uhci_device_ctrl_abort:\n")); 1911 uhci_abort_xfer(xfer, USBD_CANCELLED); 1912 } 1913 1914 /* Close a device control pipe. */ 1915 void 1916 uhci_device_ctrl_close(pipe) 1917 usbd_pipe_handle pipe; 1918 { 1919 } 1920 1921 /* Abort a device interrupt request. */ 1922 void 1923 uhci_device_intr_abort(xfer) 1924 usbd_xfer_handle xfer; 1925 { 1926 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 1927 if (xfer->pipe->intrxfer == xfer) { 1928 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1929 xfer->pipe->intrxfer = 0; 1930 } 1931 uhci_abort_xfer(xfer, USBD_CANCELLED); 1932 } 1933 1934 /* Close a device interrupt pipe. */ 1935 void 1936 uhci_device_intr_close(pipe) 1937 usbd_pipe_handle pipe; 1938 { 1939 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1940 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1941 int i, npoll; 1942 int s; 1943 1944 /* Unlink descriptors from controller data structures. */ 1945 npoll = upipe->u.intr.npoll; 1946 s = splusb(); 1947 for (i = 0; i < npoll; i++) 1948 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 1949 splx(s); 1950 1951 /* 1952 * We now have to wait for any activity on the physical 1953 * descriptors to stop. 1954 */ 1955 usb_delay_ms(&sc->sc_bus, 2); 1956 1957 for(i = 0; i < npoll; i++) 1958 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1959 free(upipe->u.intr.qhs, M_USBHC); 1960 1961 /* XXX free other resources */ 1962 } 1963 1964 usbd_status 1965 uhci_device_request(xfer) 1966 usbd_xfer_handle xfer; 1967 { 1968 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1969 usb_device_request_t *req = &xfer->request; 1970 usbd_device_handle dev = upipe->pipe.device; 1971 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1972 int addr = dev->address; 1973 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1974 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1975 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 1976 uhci_soft_qh_t *sqh; 1977 int len; 1978 u_int32_t ls; 1979 usbd_status err; 1980 int isread; 1981 int s; 1982 1983 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1984 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1985 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1986 UGETW(req->wIndex), UGETW(req->wLength), 1987 addr, endpt)); 1988 1989 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1990 isread = req->bmRequestType & UT_READ; 1991 len = UGETW(req->wLength); 1992 1993 setup = upipe->u.ctl.setup; 1994 stat = upipe->u.ctl.stat; 1995 sqh = upipe->u.ctl.sqh; 1996 1997 /* Set up data transaction */ 1998 if (len != 0) { 1999 upipe->nexttoggle = 1; 2000 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 2001 &xfer->dmabuf, &data, &dataend); 2002 if (err) 2003 return (err); 2004 next = data; 2005 dataend->link.std = stat; 2006 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF); 2007 } else { 2008 next = stat; 2009 } 2010 upipe->u.ctl.length = len; 2011 2012 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2013 2014 setup->link.std = next; 2015 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF); 2016 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2017 UHCI_TD_ACTIVE); 2018 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2019 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2020 2021 stat->link.std = NULL; 2022 stat->td.td_link = htole32(UHCI_PTR_T); 2023 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2024 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2025 stat->td.td_token = 2026 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2027 UHCI_TD_IN (0, endpt, addr, 1)); 2028 stat->td.td_buffer = htole32(0); 2029 2030 #ifdef UHCI_DEBUG 2031 if (uhcidebug > 10) { 2032 DPRINTF(("uhci_device_request: before transfer\n")); 2033 uhci_dump_tds(setup); 2034 } 2035 #endif 2036 2037 /* Set up interrupt info. */ 2038 ii->xfer = xfer; 2039 ii->stdstart = setup; 2040 ii->stdend = stat; 2041 #ifdef DIAGNOSTIC 2042 if (!ii->isdone) { 2043 printf("uhci_device_request: not done, ii=%p\n", ii); 2044 } 2045 ii->isdone = 0; 2046 #endif 2047 2048 sqh->elink = setup; 2049 sqh->qh.qh_elink = htole32(setup->physaddr); 2050 2051 s = splusb(); 2052 uhci_add_ctrl(sc, sqh); 2053 uhci_add_intr_info(sc, ii); 2054 #ifdef UHCI_DEBUG 2055 if (uhcidebug > 12) { 2056 uhci_soft_td_t *std; 2057 uhci_soft_qh_t *xqh; 2058 uhci_soft_qh_t *sxqh; 2059 int maxqh = 0; 2060 uhci_physaddr_t link; 2061 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2062 for (std = sc->sc_vframes[0].htd, link = 0; 2063 (link & UHCI_PTR_Q) == 0; 2064 std = std->link.std) { 2065 link = le32toh(std->td.td_link); 2066 uhci_dump_td(std); 2067 } 2068 sxqh = (uhci_soft_qh_t *)std; 2069 uhci_dump_qh(sxqh); 2070 for (xqh = sxqh; 2071 xqh != NULL; 2072 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 2073 xqh->hlink==xqh ? NULL : xqh->hlink)) { 2074 uhci_dump_qh(xqh); 2075 } 2076 DPRINTF(("Enqueued QH:\n")); 2077 uhci_dump_qh(sqh); 2078 uhci_dump_tds(sqh->elink); 2079 } 2080 #endif 2081 if (xfer->timeout && !sc->sc_bus.use_polling) { 2082 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2083 uhci_timeout, ii); 2084 } 2085 xfer->status = USBD_IN_PROGRESS; 2086 splx(s); 2087 2088 return (USBD_NORMAL_COMPLETION); 2089 } 2090 2091 usbd_status 2092 uhci_device_isoc_transfer(xfer) 2093 usbd_xfer_handle xfer; 2094 { 2095 usbd_status err; 2096 2097 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2098 2099 /* Put it on our queue, */ 2100 err = usb_insert_transfer(xfer); 2101 2102 /* bail out on error, */ 2103 if (err && err != USBD_IN_PROGRESS) 2104 return (err); 2105 2106 /* XXX should check inuse here */ 2107 2108 /* insert into schedule, */ 2109 uhci_device_isoc_enter(xfer); 2110 2111 /* and start if the pipe wasn't running */ 2112 if (!err) 2113 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2114 2115 return (err); 2116 } 2117 2118 void 2119 uhci_device_isoc_enter(xfer) 2120 usbd_xfer_handle xfer; 2121 { 2122 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2123 usbd_device_handle dev = upipe->pipe.device; 2124 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2125 struct iso *iso = &upipe->u.iso; 2126 uhci_soft_td_t *std; 2127 u_int32_t buf, len, status; 2128 int s, i, next, nframes; 2129 2130 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2131 "nframes=%d\n", 2132 iso->inuse, iso->next, xfer, xfer->nframes)); 2133 2134 if (sc->sc_dying) 2135 return; 2136 2137 if (xfer->status == USBD_IN_PROGRESS) { 2138 /* This request has already been entered into the frame list */ 2139 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2140 /* XXX */ 2141 } 2142 2143 #ifdef DIAGNOSTIC 2144 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2145 printf("uhci_device_isoc_enter: overflow!\n"); 2146 #endif 2147 2148 next = iso->next; 2149 if (next == -1) { 2150 /* Not in use yet, schedule it a few frames ahead. */ 2151 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2152 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2153 } 2154 2155 xfer->status = USBD_IN_PROGRESS; 2156 UXFER(xfer)->curframe = next; 2157 2158 buf = DMAADDR(&xfer->dmabuf); 2159 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2160 UHCI_TD_ACTIVE | 2161 UHCI_TD_IOS); 2162 nframes = xfer->nframes; 2163 s = splusb(); 2164 for (i = 0; i < nframes; i++) { 2165 std = iso->stds[next]; 2166 if (++next >= UHCI_VFRAMELIST_COUNT) 2167 next = 0; 2168 len = xfer->frlengths[i]; 2169 std->td.td_buffer = htole32(buf); 2170 if (i == nframes - 1) 2171 status |= UHCI_TD_IOC; 2172 std->td.td_status = htole32(status); 2173 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2174 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2175 #ifdef UHCI_DEBUG 2176 if (uhcidebug > 5) { 2177 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2178 uhci_dump_td(std); 2179 } 2180 #endif 2181 buf += len; 2182 } 2183 iso->next = next; 2184 iso->inuse += xfer->nframes; 2185 2186 splx(s); 2187 } 2188 2189 usbd_status 2190 uhci_device_isoc_start(xfer) 2191 usbd_xfer_handle xfer; 2192 { 2193 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2194 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2195 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2196 uhci_soft_td_t *end; 2197 int s, i; 2198 2199 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2200 2201 if (sc->sc_dying) 2202 return (USBD_IOERROR); 2203 2204 #ifdef DIAGNOSTIC 2205 if (xfer->status != USBD_IN_PROGRESS) 2206 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2207 #endif 2208 2209 /* Find the last TD */ 2210 i = UXFER(xfer)->curframe + xfer->nframes; 2211 if (i >= UHCI_VFRAMELIST_COUNT) 2212 i -= UHCI_VFRAMELIST_COUNT; 2213 end = upipe->u.iso.stds[i]; 2214 2215 #ifdef DIAGNOSTIC 2216 if (end == NULL) { 2217 printf("uhci_device_isoc_start: end == NULL\n"); 2218 return (USBD_INVAL); 2219 } 2220 #endif 2221 2222 s = splusb(); 2223 2224 /* Set up interrupt info. */ 2225 ii->xfer = xfer; 2226 ii->stdstart = end; 2227 ii->stdend = end; 2228 #ifdef DIAGNOSTIC 2229 if (!ii->isdone) 2230 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2231 ii->isdone = 0; 2232 #endif 2233 uhci_add_intr_info(sc, ii); 2234 2235 splx(s); 2236 2237 return (USBD_IN_PROGRESS); 2238 } 2239 2240 void 2241 uhci_device_isoc_abort(xfer) 2242 usbd_xfer_handle xfer; 2243 { 2244 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2245 uhci_soft_td_t **stds = upipe->u.iso.stds; 2246 uhci_soft_td_t *std; 2247 int i, n, s, nframes, maxlen, len; 2248 2249 s = splusb(); 2250 2251 /* Transfer is already done. */ 2252 if (xfer->status != USBD_NOT_STARTED && 2253 xfer->status != USBD_IN_PROGRESS) { 2254 splx(s); 2255 return; 2256 } 2257 2258 /* Give xfer the requested abort code. */ 2259 xfer->status = USBD_CANCELLED; 2260 2261 /* make hardware ignore it, */ 2262 nframes = xfer->nframes; 2263 n = UXFER(xfer)->curframe; 2264 maxlen = 0; 2265 for (i = 0; i < nframes; i++) { 2266 std = stds[n]; 2267 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2268 len = UHCI_TD_GET_MAXLEN(std->td.td_token); 2269 if (len > maxlen) 2270 maxlen = len; 2271 if (++n >= UHCI_VFRAMELIST_COUNT) 2272 n = 0; 2273 } 2274 2275 /* and wait until we are sure the hardware has finished. */ 2276 delay(maxlen); 2277 2278 #ifdef DIAGNOSTIC 2279 UXFER(xfer)->iinfo.isdone = 1; 2280 #endif 2281 /* Run callback and remove from interrupt list. */ 2282 usb_transfer_complete(xfer); 2283 2284 splx(s); 2285 } 2286 2287 void 2288 uhci_device_isoc_close(pipe) 2289 usbd_pipe_handle pipe; 2290 { 2291 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2292 usbd_device_handle dev = upipe->pipe.device; 2293 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2294 uhci_soft_td_t *std, *vstd; 2295 struct iso *iso; 2296 int i, s; 2297 2298 /* 2299 * Make sure all TDs are marked as inactive. 2300 * Wait for completion. 2301 * Unschedule. 2302 * Deallocate. 2303 */ 2304 iso = &upipe->u.iso; 2305 2306 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2307 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2308 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2309 2310 s = splusb(); 2311 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2312 std = iso->stds[i]; 2313 for (vstd = sc->sc_vframes[i].htd; 2314 vstd != NULL && vstd->link.std != std; 2315 vstd = vstd->link.std) 2316 ; 2317 if (vstd == NULL) { 2318 /*panic*/ 2319 printf("uhci_device_isoc_close: %p not found\n", std); 2320 splx(s); 2321 return; 2322 } 2323 vstd->link = std->link; 2324 vstd->td.td_link = std->td.td_link; 2325 uhci_free_std(sc, std); 2326 } 2327 splx(s); 2328 2329 free(iso->stds, M_USBHC); 2330 } 2331 2332 usbd_status 2333 uhci_setup_isoc(pipe) 2334 usbd_pipe_handle pipe; 2335 { 2336 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2337 usbd_device_handle dev = upipe->pipe.device; 2338 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2339 int addr = upipe->pipe.device->address; 2340 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2341 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2342 uhci_soft_td_t *std, *vstd; 2343 u_int32_t token; 2344 struct iso *iso; 2345 int i, s; 2346 2347 iso = &upipe->u.iso; 2348 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2349 M_USBHC, M_WAITOK); 2350 2351 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2352 UHCI_TD_OUT(0, endpt, addr, 0); 2353 2354 /* Allocate the TDs and mark as inactive; */ 2355 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2356 std = uhci_alloc_std(sc); 2357 if (std == 0) 2358 goto bad; 2359 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2360 std->td.td_token = htole32(token); 2361 iso->stds[i] = std; 2362 } 2363 2364 /* Insert TDs into schedule. */ 2365 s = splusb(); 2366 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2367 std = iso->stds[i]; 2368 vstd = sc->sc_vframes[i].htd; 2369 std->link = vstd->link; 2370 std->td.td_link = vstd->td.td_link; 2371 vstd->link.std = std; 2372 vstd->td.td_link = htole32(std->physaddr); 2373 } 2374 splx(s); 2375 2376 iso->next = -1; 2377 iso->inuse = 0; 2378 2379 return (USBD_NORMAL_COMPLETION); 2380 2381 bad: 2382 while (--i >= 0) 2383 uhci_free_std(sc, iso->stds[i]); 2384 free(iso->stds, M_USBHC); 2385 return (USBD_NOMEM); 2386 } 2387 2388 void 2389 uhci_device_isoc_done(xfer) 2390 usbd_xfer_handle xfer; 2391 { 2392 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2393 2394 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2395 2396 if (ii->xfer != xfer) 2397 /* Not on interrupt list, ignore it. */ 2398 return; 2399 2400 #ifdef DIAGNOSTIC 2401 if (xfer->busy_free != XFER_BUSY) { 2402 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2403 xfer, xfer->busy_free); 2404 return; 2405 } 2406 2407 if (ii->stdend == NULL) { 2408 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2409 #ifdef UHCI_DEBUG 2410 uhci_dump_ii(ii); 2411 #endif 2412 return; 2413 } 2414 #endif 2415 2416 /* Turn off the interrupt since it is active even if the TD is not. */ 2417 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2418 2419 uhci_del_intr_info(ii); /* remove from active list */ 2420 } 2421 2422 void 2423 uhci_device_intr_done(xfer) 2424 usbd_xfer_handle xfer; 2425 { 2426 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2427 uhci_softc_t *sc = ii->sc; 2428 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2429 uhci_soft_qh_t *sqh; 2430 int i, npoll; 2431 2432 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2433 2434 npoll = upipe->u.intr.npoll; 2435 for(i = 0; i < npoll; i++) { 2436 sqh = upipe->u.intr.qhs[i]; 2437 sqh->elink = 0; 2438 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2439 } 2440 uhci_free_std_chain(sc, ii->stdstart, 0); 2441 2442 /* XXX Wasteful. */ 2443 if (xfer->pipe->repeat) { 2444 uhci_soft_td_t *data, *dataend; 2445 2446 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2447 2448 /* This alloc cannot fail since we freed the chain above. */ 2449 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2450 &xfer->dmabuf, &data, &dataend); 2451 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2452 2453 #ifdef UHCI_DEBUG 2454 if (uhcidebug > 10) { 2455 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2456 uhci_dump_tds(data); 2457 uhci_dump_qh(upipe->u.intr.qhs[0]); 2458 } 2459 #endif 2460 2461 ii->stdstart = data; 2462 ii->stdend = dataend; 2463 #ifdef DIAGNOSTIC 2464 if (!ii->isdone) { 2465 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2466 } 2467 ii->isdone = 0; 2468 #endif 2469 for (i = 0; i < npoll; i++) { 2470 sqh = upipe->u.intr.qhs[i]; 2471 sqh->elink = data; 2472 sqh->qh.qh_elink = htole32(data->physaddr); 2473 } 2474 xfer->status = USBD_IN_PROGRESS; 2475 /* The ii is already on the examined list, just leave it. */ 2476 } else { 2477 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2478 uhci_del_intr_info(ii); 2479 } 2480 } 2481 2482 /* Deallocate request data structures */ 2483 void 2484 uhci_device_ctrl_done(xfer) 2485 usbd_xfer_handle xfer; 2486 { 2487 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2488 uhci_softc_t *sc = ii->sc; 2489 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2490 2491 #ifdef DIAGNOSTIC 2492 if (!(xfer->rqflags & URQ_REQUEST)) 2493 panic("uhci_ctrl_done: not a request\n"); 2494 #endif 2495 2496 uhci_del_intr_info(ii); /* remove from active list */ 2497 2498 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2499 2500 if (upipe->u.ctl.length != 0) 2501 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2502 2503 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2504 } 2505 2506 /* Deallocate request data structures */ 2507 void 2508 uhci_device_bulk_done(xfer) 2509 usbd_xfer_handle xfer; 2510 { 2511 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2512 uhci_softc_t *sc = ii->sc; 2513 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2514 2515 uhci_del_intr_info(ii); /* remove from active list */ 2516 2517 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2518 2519 uhci_free_std_chain(sc, ii->stdstart, 0); 2520 2521 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2522 } 2523 2524 /* Add interrupt QH, called with vflock. */ 2525 void 2526 uhci_add_intr(sc, sqh) 2527 uhci_softc_t *sc; 2528 uhci_soft_qh_t *sqh; 2529 { 2530 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2531 uhci_soft_qh_t *eqh; 2532 2533 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2534 2535 eqh = vf->eqh; 2536 sqh->hlink = eqh->hlink; 2537 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2538 eqh->hlink = sqh; 2539 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 2540 vf->eqh = sqh; 2541 vf->bandwidth++; 2542 } 2543 2544 /* Remove interrupt QH, called with vflock. */ 2545 void 2546 uhci_remove_intr(sc, sqh) 2547 uhci_softc_t *sc; 2548 uhci_soft_qh_t *sqh; 2549 { 2550 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2551 uhci_soft_qh_t *pqh; 2552 2553 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2554 2555 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2556 pqh->hlink = sqh->hlink; 2557 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2558 if (vf->eqh == sqh) 2559 vf->eqh = pqh; 2560 vf->bandwidth--; 2561 } 2562 2563 usbd_status 2564 uhci_device_setintr(sc, upipe, ival) 2565 uhci_softc_t *sc; 2566 struct uhci_pipe *upipe; 2567 int ival; 2568 { 2569 uhci_soft_qh_t *sqh; 2570 int i, npoll, s; 2571 u_int bestbw, bw, bestoffs, offs; 2572 2573 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2574 if (ival == 0) { 2575 printf("uhci_setintr: 0 interval\n"); 2576 return (USBD_INVAL); 2577 } 2578 2579 if (ival > UHCI_VFRAMELIST_COUNT) 2580 ival = UHCI_VFRAMELIST_COUNT; 2581 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2582 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2583 2584 upipe->u.intr.npoll = npoll; 2585 upipe->u.intr.qhs = 2586 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2587 2588 /* 2589 * Figure out which offset in the schedule that has most 2590 * bandwidth left over. 2591 */ 2592 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2593 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2594 for (bw = i = 0; i < npoll; i++) 2595 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2596 if (bw < bestbw) { 2597 bestbw = bw; 2598 bestoffs = offs; 2599 } 2600 } 2601 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2602 2603 for(i = 0; i < npoll; i++) { 2604 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2605 sqh->elink = 0; 2606 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2607 sqh->pos = MOD(i * ival + bestoffs); 2608 } 2609 #undef MOD 2610 2611 s = splusb(); 2612 /* Enter QHs into the controller data structures. */ 2613 for(i = 0; i < npoll; i++) 2614 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2615 splx(s); 2616 2617 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2618 return (USBD_NORMAL_COMPLETION); 2619 } 2620 2621 /* Open a new pipe. */ 2622 usbd_status 2623 uhci_open(pipe) 2624 usbd_pipe_handle pipe; 2625 { 2626 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2627 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2628 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2629 usbd_status err; 2630 int ival; 2631 2632 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2633 pipe, pipe->device->address, 2634 ed->bEndpointAddress, sc->sc_addr)); 2635 2636 upipe->aborting = 0; 2637 upipe->nexttoggle = 0; 2638 2639 if (pipe->device->address == sc->sc_addr) { 2640 switch (ed->bEndpointAddress) { 2641 case USB_CONTROL_ENDPOINT: 2642 pipe->methods = &uhci_root_ctrl_methods; 2643 break; 2644 case UE_DIR_IN | UHCI_INTR_ENDPT: 2645 pipe->methods = &uhci_root_intr_methods; 2646 break; 2647 default: 2648 return (USBD_INVAL); 2649 } 2650 } else { 2651 switch (ed->bmAttributes & UE_XFERTYPE) { 2652 case UE_CONTROL: 2653 pipe->methods = &uhci_device_ctrl_methods; 2654 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2655 if (upipe->u.ctl.sqh == NULL) 2656 goto bad; 2657 upipe->u.ctl.setup = uhci_alloc_std(sc); 2658 if (upipe->u.ctl.setup == NULL) { 2659 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2660 goto bad; 2661 } 2662 upipe->u.ctl.stat = uhci_alloc_std(sc); 2663 if (upipe->u.ctl.stat == NULL) { 2664 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2665 uhci_free_std(sc, upipe->u.ctl.setup); 2666 goto bad; 2667 } 2668 err = usb_allocmem(&sc->sc_bus, 2669 sizeof(usb_device_request_t), 2670 0, &upipe->u.ctl.reqdma); 2671 if (err) { 2672 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2673 uhci_free_std(sc, upipe->u.ctl.setup); 2674 uhci_free_std(sc, upipe->u.ctl.stat); 2675 goto bad; 2676 } 2677 break; 2678 case UE_INTERRUPT: 2679 pipe->methods = &uhci_device_intr_methods; 2680 ival = pipe->interval; 2681 if (ival == USBD_DEFAULT_INTERVAL) 2682 ival = ed->bInterval; 2683 return (uhci_device_setintr(sc, upipe, ival)); 2684 case UE_ISOCHRONOUS: 2685 pipe->methods = &uhci_device_isoc_methods; 2686 return (uhci_setup_isoc(pipe)); 2687 case UE_BULK: 2688 pipe->methods = &uhci_device_bulk_methods; 2689 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2690 if (upipe->u.bulk.sqh == NULL) 2691 goto bad; 2692 break; 2693 } 2694 } 2695 return (USBD_NORMAL_COMPLETION); 2696 2697 bad: 2698 return (USBD_NOMEM); 2699 } 2700 2701 /* 2702 * Data structures and routines to emulate the root hub. 2703 */ 2704 usb_device_descriptor_t uhci_devd = { 2705 USB_DEVICE_DESCRIPTOR_SIZE, 2706 UDESC_DEVICE, /* type */ 2707 {0x00, 0x01}, /* USB version */ 2708 UDCLASS_HUB, /* class */ 2709 UDSUBCLASS_HUB, /* subclass */ 2710 0, /* protocol */ 2711 64, /* max packet */ 2712 {0},{0},{0x00,0x01}, /* device id */ 2713 1,2,0, /* string indicies */ 2714 1 /* # of configurations */ 2715 }; 2716 2717 usb_config_descriptor_t uhci_confd = { 2718 USB_CONFIG_DESCRIPTOR_SIZE, 2719 UDESC_CONFIG, 2720 {USB_CONFIG_DESCRIPTOR_SIZE + 2721 USB_INTERFACE_DESCRIPTOR_SIZE + 2722 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2723 1, 2724 1, 2725 0, 2726 UC_SELF_POWERED, 2727 0 /* max power */ 2728 }; 2729 2730 usb_interface_descriptor_t uhci_ifcd = { 2731 USB_INTERFACE_DESCRIPTOR_SIZE, 2732 UDESC_INTERFACE, 2733 0, 2734 0, 2735 1, 2736 UICLASS_HUB, 2737 UISUBCLASS_HUB, 2738 0, 2739 0 2740 }; 2741 2742 usb_endpoint_descriptor_t uhci_endpd = { 2743 USB_ENDPOINT_DESCRIPTOR_SIZE, 2744 UDESC_ENDPOINT, 2745 UE_DIR_IN | UHCI_INTR_ENDPT, 2746 UE_INTERRUPT, 2747 {8}, 2748 255 2749 }; 2750 2751 usb_hub_descriptor_t uhci_hubd_piix = { 2752 USB_HUB_DESCRIPTOR_SIZE, 2753 UDESC_HUB, 2754 2, 2755 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2756 50, /* power on to power good */ 2757 0, 2758 { 0x00 }, /* both ports are removable */ 2759 }; 2760 2761 int 2762 uhci_str(p, l, s) 2763 usb_string_descriptor_t *p; 2764 int l; 2765 char *s; 2766 { 2767 int i; 2768 2769 if (l == 0) 2770 return (0); 2771 p->bLength = 2 * strlen(s) + 2; 2772 if (l == 1) 2773 return (1); 2774 p->bDescriptorType = UDESC_STRING; 2775 l -= 2; 2776 for (i = 0; s[i] && l > 1; i++, l -= 2) 2777 USETW2(p->bString[i], 0, s[i]); 2778 return (2*i+2); 2779 } 2780 2781 /* 2782 * Simulate a hardware hub by handling all the necessary requests. 2783 */ 2784 usbd_status 2785 uhci_root_ctrl_transfer(xfer) 2786 usbd_xfer_handle xfer; 2787 { 2788 usbd_status err; 2789 2790 /* Insert last in queue. */ 2791 err = usb_insert_transfer(xfer); 2792 if (err) 2793 return (err); 2794 2795 /* 2796 * Pipe isn't running (otherwise err would be USBD_INPROG), 2797 * so start it first. 2798 */ 2799 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2800 } 2801 2802 usbd_status 2803 uhci_root_ctrl_start(xfer) 2804 usbd_xfer_handle xfer; 2805 { 2806 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2807 usb_device_request_t *req; 2808 void *buf = NULL; 2809 int port, x; 2810 int s, len, value, index, status, change, l, totlen = 0; 2811 usb_port_status_t ps; 2812 usbd_status err; 2813 2814 if (sc->sc_dying) 2815 return (USBD_IOERROR); 2816 2817 #ifdef DIAGNOSTIC 2818 if (!(xfer->rqflags & URQ_REQUEST)) 2819 panic("uhci_root_ctrl_transfer: not a request\n"); 2820 #endif 2821 req = &xfer->request; 2822 2823 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2824 req->bmRequestType, req->bRequest)); 2825 2826 len = UGETW(req->wLength); 2827 value = UGETW(req->wValue); 2828 index = UGETW(req->wIndex); 2829 2830 if (len != 0) 2831 buf = KERNADDR(&xfer->dmabuf); 2832 2833 #define C(x,y) ((x) | ((y) << 8)) 2834 switch(C(req->bRequest, req->bmRequestType)) { 2835 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2836 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2837 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2838 /* 2839 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2840 * for the integrated root hub. 2841 */ 2842 break; 2843 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2844 if (len > 0) { 2845 *(u_int8_t *)buf = sc->sc_conf; 2846 totlen = 1; 2847 } 2848 break; 2849 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2850 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2851 switch(value >> 8) { 2852 case UDESC_DEVICE: 2853 if ((value & 0xff) != 0) { 2854 err = USBD_IOERROR; 2855 goto ret; 2856 } 2857 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2858 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2859 memcpy(buf, &uhci_devd, l); 2860 break; 2861 case UDESC_CONFIG: 2862 if ((value & 0xff) != 0) { 2863 err = USBD_IOERROR; 2864 goto ret; 2865 } 2866 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2867 memcpy(buf, &uhci_confd, l); 2868 buf = (char *)buf + l; 2869 len -= l; 2870 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2871 totlen += l; 2872 memcpy(buf, &uhci_ifcd, l); 2873 buf = (char *)buf + l; 2874 len -= l; 2875 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2876 totlen += l; 2877 memcpy(buf, &uhci_endpd, l); 2878 break; 2879 case UDESC_STRING: 2880 if (len == 0) 2881 break; 2882 *(u_int8_t *)buf = 0; 2883 totlen = 1; 2884 switch (value & 0xff) { 2885 case 1: /* Vendor */ 2886 totlen = uhci_str(buf, len, sc->sc_vendor); 2887 break; 2888 case 2: /* Product */ 2889 totlen = uhci_str(buf, len, "UHCI root hub"); 2890 break; 2891 } 2892 break; 2893 default: 2894 err = USBD_IOERROR; 2895 goto ret; 2896 } 2897 break; 2898 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2899 if (len > 0) { 2900 *(u_int8_t *)buf = 0; 2901 totlen = 1; 2902 } 2903 break; 2904 case C(UR_GET_STATUS, UT_READ_DEVICE): 2905 if (len > 1) { 2906 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2907 totlen = 2; 2908 } 2909 break; 2910 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2911 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2912 if (len > 1) { 2913 USETW(((usb_status_t *)buf)->wStatus, 0); 2914 totlen = 2; 2915 } 2916 break; 2917 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2918 if (value >= USB_MAX_DEVICES) { 2919 err = USBD_IOERROR; 2920 goto ret; 2921 } 2922 sc->sc_addr = value; 2923 break; 2924 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2925 if (value != 0 && value != 1) { 2926 err = USBD_IOERROR; 2927 goto ret; 2928 } 2929 sc->sc_conf = value; 2930 break; 2931 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2932 break; 2933 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2934 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2935 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2936 err = USBD_IOERROR; 2937 goto ret; 2938 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2939 break; 2940 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2941 break; 2942 /* Hub requests */ 2943 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2944 break; 2945 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2946 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2947 "port=%d feature=%d\n", 2948 index, value)); 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 switch(value) { 2958 case UHF_PORT_ENABLE: 2959 x = UREAD2(sc, port); 2960 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2961 break; 2962 case UHF_PORT_SUSPEND: 2963 x = UREAD2(sc, port); 2964 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2965 break; 2966 case UHF_PORT_RESET: 2967 x = UREAD2(sc, port); 2968 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2969 break; 2970 case UHF_C_PORT_CONNECTION: 2971 x = UREAD2(sc, port); 2972 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2973 break; 2974 case UHF_C_PORT_ENABLE: 2975 x = UREAD2(sc, port); 2976 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2977 break; 2978 case UHF_C_PORT_OVER_CURRENT: 2979 x = UREAD2(sc, port); 2980 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2981 break; 2982 case UHF_C_PORT_RESET: 2983 sc->sc_isreset = 0; 2984 err = USBD_NORMAL_COMPLETION; 2985 goto ret; 2986 case UHF_PORT_CONNECTION: 2987 case UHF_PORT_OVER_CURRENT: 2988 case UHF_PORT_POWER: 2989 case UHF_PORT_LOW_SPEED: 2990 case UHF_C_PORT_SUSPEND: 2991 default: 2992 err = USBD_IOERROR; 2993 goto ret; 2994 } 2995 break; 2996 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 2997 if (index == 1) 2998 port = UHCI_PORTSC1; 2999 else if (index == 2) 3000 port = UHCI_PORTSC2; 3001 else { 3002 err = USBD_IOERROR; 3003 goto ret; 3004 } 3005 if (len > 0) { 3006 *(u_int8_t *)buf = 3007 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3008 UHCI_PORTSC_LS_SHIFT; 3009 totlen = 1; 3010 } 3011 break; 3012 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3013 if (value != 0) { 3014 err = USBD_IOERROR; 3015 goto ret; 3016 } 3017 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3018 totlen = l; 3019 memcpy(buf, &uhci_hubd_piix, l); 3020 break; 3021 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3022 if (len != 4) { 3023 err = USBD_IOERROR; 3024 goto ret; 3025 } 3026 memset(buf, 0, len); 3027 totlen = len; 3028 break; 3029 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3030 if (index == 1) 3031 port = UHCI_PORTSC1; 3032 else if (index == 2) 3033 port = UHCI_PORTSC2; 3034 else { 3035 err = USBD_IOERROR; 3036 goto ret; 3037 } 3038 if (len != 4) { 3039 err = USBD_IOERROR; 3040 goto ret; 3041 } 3042 x = UREAD2(sc, port); 3043 status = change = 0; 3044 if (x & UHCI_PORTSC_CCS ) 3045 status |= UPS_CURRENT_CONNECT_STATUS; 3046 if (x & UHCI_PORTSC_CSC ) 3047 change |= UPS_C_CONNECT_STATUS; 3048 if (x & UHCI_PORTSC_PE ) 3049 status |= UPS_PORT_ENABLED; 3050 if (x & UHCI_PORTSC_POEDC) 3051 change |= UPS_C_PORT_ENABLED; 3052 if (x & UHCI_PORTSC_OCI ) 3053 status |= UPS_OVERCURRENT_INDICATOR; 3054 if (x & UHCI_PORTSC_OCIC ) 3055 change |= UPS_C_OVERCURRENT_INDICATOR; 3056 if (x & UHCI_PORTSC_SUSP ) 3057 status |= UPS_SUSPEND; 3058 if (x & UHCI_PORTSC_LSDA ) 3059 status |= UPS_LOW_SPEED; 3060 status |= UPS_PORT_POWER; 3061 if (sc->sc_isreset) 3062 change |= UPS_C_PORT_RESET; 3063 USETW(ps.wPortStatus, status); 3064 USETW(ps.wPortChange, change); 3065 l = min(len, sizeof ps); 3066 memcpy(buf, &ps, l); 3067 totlen = l; 3068 break; 3069 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3070 err = USBD_IOERROR; 3071 goto ret; 3072 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3073 break; 3074 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3075 if (index == 1) 3076 port = UHCI_PORTSC1; 3077 else if (index == 2) 3078 port = UHCI_PORTSC2; 3079 else { 3080 err = USBD_IOERROR; 3081 goto ret; 3082 } 3083 switch(value) { 3084 case UHF_PORT_ENABLE: 3085 x = UREAD2(sc, port); 3086 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3087 break; 3088 case UHF_PORT_SUSPEND: 3089 x = UREAD2(sc, port); 3090 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3091 break; 3092 case UHF_PORT_RESET: 3093 x = UREAD2(sc, port); 3094 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3095 usb_delay_ms(&sc->sc_bus, 10); 3096 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3097 delay(100); 3098 x = UREAD2(sc, port); 3099 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3100 delay(100); 3101 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3102 index, UREAD2(sc, port))); 3103 sc->sc_isreset = 1; 3104 break; 3105 case UHF_C_PORT_CONNECTION: 3106 case UHF_C_PORT_ENABLE: 3107 case UHF_C_PORT_OVER_CURRENT: 3108 case UHF_PORT_CONNECTION: 3109 case UHF_PORT_OVER_CURRENT: 3110 case UHF_PORT_POWER: 3111 case UHF_PORT_LOW_SPEED: 3112 case UHF_C_PORT_SUSPEND: 3113 case UHF_C_PORT_RESET: 3114 default: 3115 err = USBD_IOERROR; 3116 goto ret; 3117 } 3118 break; 3119 default: 3120 err = USBD_IOERROR; 3121 goto ret; 3122 } 3123 xfer->actlen = totlen; 3124 err = USBD_NORMAL_COMPLETION; 3125 ret: 3126 xfer->status = err; 3127 s = splusb(); 3128 usb_transfer_complete(xfer); 3129 splx(s); 3130 return (USBD_IN_PROGRESS); 3131 } 3132 3133 /* Abort a root control request. */ 3134 void 3135 uhci_root_ctrl_abort(xfer) 3136 usbd_xfer_handle xfer; 3137 { 3138 /* Nothing to do, all transfers are synchronous. */ 3139 } 3140 3141 /* Close the root pipe. */ 3142 void 3143 uhci_root_ctrl_close(pipe) 3144 usbd_pipe_handle pipe; 3145 { 3146 DPRINTF(("uhci_root_ctrl_close\n")); 3147 } 3148 3149 /* Abort a root interrupt request. */ 3150 void 3151 uhci_root_intr_abort(xfer) 3152 usbd_xfer_handle xfer; 3153 { 3154 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3155 3156 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3157 sc->sc_intr_xfer = NULL; 3158 3159 if (xfer->pipe->intrxfer == xfer) { 3160 DPRINTF(("uhci_root_intr_abort: remove\n")); 3161 xfer->pipe->intrxfer = 0; 3162 } 3163 xfer->status = USBD_CANCELLED; 3164 #ifdef DIAGNOSTIC 3165 UXFER(xfer)->iinfo.isdone = 1; 3166 #endif 3167 usb_transfer_complete(xfer); 3168 } 3169 3170 usbd_status 3171 uhci_root_intr_transfer(xfer) 3172 usbd_xfer_handle xfer; 3173 { 3174 usbd_status err; 3175 3176 /* Insert last in queue. */ 3177 err = usb_insert_transfer(xfer); 3178 if (err) 3179 return (err); 3180 3181 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3182 * start first 3183 */ 3184 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3185 } 3186 3187 /* Start a transfer on the root interrupt pipe */ 3188 usbd_status 3189 uhci_root_intr_start(xfer) 3190 usbd_xfer_handle xfer; 3191 { 3192 usbd_pipe_handle pipe = xfer->pipe; 3193 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3194 3195 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3196 xfer, xfer->length, xfer->flags)); 3197 3198 if (sc->sc_dying) 3199 return (USBD_IOERROR); 3200 3201 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3202 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3203 sc->sc_intr_xfer = xfer; 3204 return (USBD_IN_PROGRESS); 3205 } 3206 3207 /* Close the root interrupt pipe. */ 3208 void 3209 uhci_root_intr_close(pipe) 3210 usbd_pipe_handle pipe; 3211 { 3212 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3213 3214 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3215 sc->sc_intr_xfer = NULL; 3216 DPRINTF(("uhci_root_intr_close\n")); 3217 } 3218
Indexes created Mon Sep 22 05:09:51 GMT 2025