uhci.c revision 1.117
1 /* $NetBSD: uhci.c,v 1.117 2000/05/30 09:26:06 augustss Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart (at) augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * USB Universal Host Controller driver. 43 * Handles e.g. PIIX3 and PIIX4. 44 * 45 * UHCI spec: http://www.intel.com/design/usb/uhci11d.pdf 46 * USB spec: http://www.usb.org/developers/data/usb11.pdf 47 * PIIXn spec: ftp://download.intel.com/design/intarch/datashts/29055002.pdf 48 * ftp://download.intel.com/design/intarch/datashts/29056201.pdf 49 */ 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/kernel.h> 54 #include <sys/malloc.h> 55 #if defined(__NetBSD__) || defined(__OpenBSD__) 56 #include <sys/device.h> 57 #include <sys/select.h> 58 #elif defined(__FreeBSD__) 59 #include <sys/module.h> 60 #include <sys/bus.h> 61 #include <machine/bus_pio.h> 62 #if defined(DIAGNOSTIC) && defined(__i386__) 63 #include <machine/cpu.h> 64 #endif 65 #endif 66 #include <sys/proc.h> 67 #include <sys/queue.h> 68 69 #include <machine/bus.h> 70 #include <machine/endian.h> 71 72 #include <dev/usb/usb.h> 73 #include <dev/usb/usbdi.h> 74 #include <dev/usb/usbdivar.h> 75 #include <dev/usb/usb_mem.h> 76 #include <dev/usb/usb_quirks.h> 77 78 #include <dev/usb/uhcireg.h> 79 #include <dev/usb/uhcivar.h> 80 81 #if defined(__FreeBSD__) 82 #include <machine/clock.h> 83 84 #define delay(d) DELAY(d) 85 #endif 86 87 #define MS_TO_TICKS(ms) ((ms) * hz / 1000) 88 89 #if defined(__OpenBSD__) 90 struct cfdriver uhci_cd = { 91 NULL, "uhci", DV_DULL 92 }; 93 #endif 94 95 #ifdef UHCI_DEBUG 96 uhci_softc_t *thesc; 97 #define DPRINTF(x) if (uhcidebug) printf x 98 #define DPRINTFN(n,x) if (uhcidebug>(n)) printf x 99 int uhcidebug = 0; 100 #else 101 #define DPRINTF(x) 102 #define DPRINTFN(n,x) 103 #endif 104 105 /* 106 * The UHCI controller is little endian, so on big endian machines 107 * the data strored in memory needs to be swapped. 108 */ 109 #if defined(__FreeBSD__) || defined(__OpenBSD__) 110 #if BYTE_ORDER == BIG_ENDIAN 111 #define htole32(x) (bswap32(x)) 112 #define le32toh(x) (bswap32(x)) 113 #else 114 #define htole32(x) (x) 115 #define le32toh(x) (x) 116 #endif 117 #endif 118 119 struct uhci_pipe { 120 struct usbd_pipe pipe; 121 int nexttoggle; 122 123 u_char aborting; 124 usbd_xfer_handle abortstart, abortend; 125 126 /* Info needed for different pipe kinds. */ 127 union { 128 /* Control pipe */ 129 struct { 130 uhci_soft_qh_t *sqh; 131 usb_dma_t reqdma; 132 uhci_soft_td_t *setup, *stat; 133 u_int length; 134 } ctl; 135 /* Interrupt pipe */ 136 struct { 137 int npoll; 138 uhci_soft_qh_t **qhs; 139 } intr; 140 /* Bulk pipe */ 141 struct { 142 uhci_soft_qh_t *sqh; 143 u_int length; 144 int isread; 145 } bulk; 146 /* Iso pipe */ 147 struct iso { 148 uhci_soft_td_t **stds; 149 int next, inuse; 150 } iso; 151 } u; 152 }; 153 154 Static void uhci_busreset __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_dump_all __P((uhci_softc_t *)); 255 Static void uhci_dumpregs __P((uhci_softc_t *)); 256 Static void uhci_dump_qhs __P((uhci_soft_qh_t *)); 257 Static void uhci_dump_qh __P((uhci_soft_qh_t *)); 258 Static void uhci_dump_tds __P((uhci_soft_td_t *)); 259 Static void uhci_dump_td __P((uhci_soft_td_t *)); 260 Static void uhci_dump_ii __P((uhci_intr_info_t *ii)); 261 void uhci_dump __P((void)); 262 #endif 263 264 #define UBARR(sc) bus_space_barrier((sc)->iot, (sc)->ioh, 0, (sc)->sc_size, \ 265 BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE) 266 #define UWRITE1(sc, r, x) \ 267 do { UBARR(sc); bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 268 #define UWRITE2(sc, r, x) \ 269 do { UBARR(sc); bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 270 #define UWRITE4(sc, r, x) \ 271 do { UBARR(sc); bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 272 #define UREAD1(sc, r) (UBARR(sc), bus_space_read_1((sc)->iot, (sc)->ioh, (r))) 273 #define UREAD2(sc, r) (UBARR(sc), bus_space_read_2((sc)->iot, (sc)->ioh, (r))) 274 #define UREAD4(sc, r) (UBARR(sc), bus_space_read_4((sc)->iot, (sc)->ioh, (r))) 275 276 #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) 277 #define UHCISTS(sc) UREAD2(sc, UHCI_STS) 278 279 #define UHCI_RESET_TIMEOUT 100 /* reset timeout */ 280 281 #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) 282 283 #define UHCI_INTR_ENDPT 1 284 285 struct usbd_bus_methods uhci_bus_methods = { 286 uhci_open, 287 uhci_softintr, 288 uhci_poll, 289 uhci_allocm, 290 uhci_freem, 291 uhci_allocx, 292 uhci_freex, 293 }; 294 295 struct usbd_pipe_methods uhci_root_ctrl_methods = { 296 uhci_root_ctrl_transfer, 297 uhci_root_ctrl_start, 298 uhci_root_ctrl_abort, 299 uhci_root_ctrl_close, 300 uhci_noop, 301 uhci_root_ctrl_done, 302 }; 303 304 struct usbd_pipe_methods uhci_root_intr_methods = { 305 uhci_root_intr_transfer, 306 uhci_root_intr_start, 307 uhci_root_intr_abort, 308 uhci_root_intr_close, 309 uhci_noop, 310 uhci_root_intr_done, 311 }; 312 313 struct usbd_pipe_methods uhci_device_ctrl_methods = { 314 uhci_device_ctrl_transfer, 315 uhci_device_ctrl_start, 316 uhci_device_ctrl_abort, 317 uhci_device_ctrl_close, 318 uhci_noop, 319 uhci_device_ctrl_done, 320 }; 321 322 struct usbd_pipe_methods uhci_device_intr_methods = { 323 uhci_device_intr_transfer, 324 uhci_device_intr_start, 325 uhci_device_intr_abort, 326 uhci_device_intr_close, 327 uhci_device_clear_toggle, 328 uhci_device_intr_done, 329 }; 330 331 struct usbd_pipe_methods uhci_device_bulk_methods = { 332 uhci_device_bulk_transfer, 333 uhci_device_bulk_start, 334 uhci_device_bulk_abort, 335 uhci_device_bulk_close, 336 uhci_device_clear_toggle, 337 uhci_device_bulk_done, 338 }; 339 340 struct usbd_pipe_methods uhci_device_isoc_methods = { 341 uhci_device_isoc_transfer, 342 uhci_device_isoc_start, 343 uhci_device_isoc_abort, 344 uhci_device_isoc_close, 345 uhci_noop, 346 uhci_device_isoc_done, 347 }; 348 349 #define uhci_add_intr_info(sc, ii) \ 350 LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list); 351 #define uhci_del_intr_info(ii) \ 352 LIST_REMOVE((ii), list) 353 354 Static __inline__ uhci_soft_qh_t * 355 uhci_find_prev_qh(pqh, sqh) 356 uhci_soft_qh_t *pqh, *sqh; 357 { 358 DPRINTFN(15,("uhci_find_prev_qh: pqh=%p sqh=%p\n", pqh, sqh)); 359 360 for (; pqh->hlink != sqh; pqh = pqh->hlink) { 361 #if defined(DIAGNOSTIC) || defined(UHCI_DEBUG) 362 if (le32toh(pqh->qh.qh_hlink) & UHCI_PTR_T) { 363 printf("uhci_find_prev_qh: QH not found\n"); 364 return (NULL); 365 } 366 #endif 367 } 368 return (pqh); 369 } 370 371 void 372 uhci_busreset(sc) 373 uhci_softc_t *sc; 374 { 375 UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ 376 usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ 377 UHCICMD(sc, 0); /* do nothing */ 378 } 379 380 usbd_status 381 uhci_init(sc) 382 uhci_softc_t *sc; 383 { 384 usbd_status err; 385 int i, j; 386 uhci_soft_qh_t *csqh, *bsqh, *sqh; 387 uhci_soft_td_t *std; 388 389 DPRINTFN(1,("uhci_init: start\n")); 390 391 #ifdef UHCI_DEBUG 392 thesc = sc; 393 394 if (uhcidebug > 2) 395 uhci_dumpregs(sc); 396 #endif 397 398 uhci_run(sc, 0); /* stop the controller */ 399 UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ 400 401 uhci_busreset(sc); 402 403 /* Allocate and initialize real frame array. */ 404 err = usb_allocmem(&sc->sc_bus, 405 UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), 406 UHCI_FRAMELIST_ALIGN, &sc->sc_dma); 407 if (err) 408 return (err); 409 sc->sc_pframes = KERNADDR(&sc->sc_dma); 410 UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */ 411 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); /* set frame list*/ 412 413 /* Allocate the dummy QH where bulk traffic will be queued. */ 414 bsqh = uhci_alloc_sqh(sc); 415 if (bsqh == NULL) 416 return (USBD_NOMEM); 417 bsqh->qh.qh_hlink = htole32(UHCI_PTR_T); /* end of QH chain */ 418 bsqh->qh.qh_elink = htole32(UHCI_PTR_T); 419 sc->sc_bulk_start = sc->sc_bulk_end = bsqh; 420 421 /* Allocate the dummy QH where control traffic will be queued. */ 422 csqh = uhci_alloc_sqh(sc); 423 if (csqh == NULL) 424 return (USBD_NOMEM); 425 csqh->hlink = bsqh; 426 csqh->qh.qh_hlink = htole32(bsqh->physaddr | UHCI_PTR_Q); 427 csqh->qh.qh_elink = htole32(UHCI_PTR_T); 428 sc->sc_ctl_start = sc->sc_ctl_end = csqh; 429 430 /* 431 * Make all (virtual) frame list pointers point to the interrupt 432 * queue heads and the interrupt queue heads at the control 433 * queue head and point the physical frame list to the virtual. 434 */ 435 for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 436 std = uhci_alloc_std(sc); 437 sqh = uhci_alloc_sqh(sc); 438 if (std == NULL || sqh == NULL) 439 return (USBD_NOMEM); 440 std->link.sqh = sqh; 441 std->td.td_link = htole32(sqh->physaddr | UHCI_PTR_Q); 442 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 443 std->td.td_token = htole32(0); 444 std->td.td_buffer = htole32(0); 445 sqh->hlink = csqh; 446 sqh->qh.qh_hlink = htole32(csqh->physaddr | UHCI_PTR_Q); 447 sqh->elink = 0; 448 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 449 sc->sc_vframes[i].htd = std; 450 sc->sc_vframes[i].etd = std; 451 sc->sc_vframes[i].hqh = sqh; 452 sc->sc_vframes[i].eqh = sqh; 453 for (j = i; 454 j < UHCI_FRAMELIST_COUNT; 455 j += UHCI_VFRAMELIST_COUNT) 456 sc->sc_pframes[j] = htole32(std->physaddr); 457 } 458 459 LIST_INIT(&sc->sc_intrhead); 460 461 SIMPLEQ_INIT(&sc->sc_free_xfers); 462 463 usb_callout_init(sc->sc_poll_handle); 464 465 /* Set up the bus struct. */ 466 sc->sc_bus.methods = &uhci_bus_methods; 467 sc->sc_bus.pipe_size = sizeof(struct uhci_pipe); 468 469 #if defined(__NetBSD__) || defined(__OpenBSD__) 470 sc->sc_suspend = PWR_RESUME; 471 sc->sc_powerhook = powerhook_establish(uhci_power, sc); 472 sc->sc_shutdownhook = shutdownhook_establish(uhci_shutdown, sc); 473 #endif 474 475 DPRINTFN(1,("uhci_init: enabling\n")); 476 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 477 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */ 478 479 UHCICMD(sc, UHCI_CMD_MAXP); /* Assume 64 byte packets at frame end */ 480 481 return (uhci_run(sc, 1)); /* and here we go... */ 482 } 483 484 #if defined(__NetBSD__) || defined(__OpenBSD__) 485 int 486 uhci_activate(self, act) 487 device_ptr_t self; 488 enum devact act; 489 { 490 struct uhci_softc *sc = (struct uhci_softc *)self; 491 int rv = 0; 492 493 switch (act) { 494 case DVACT_ACTIVATE: 495 return (EOPNOTSUPP); 496 break; 497 498 case DVACT_DEACTIVATE: 499 if (sc->sc_child != NULL) 500 rv = config_deactivate(sc->sc_child); 501 break; 502 } 503 return (rv); 504 } 505 506 int 507 uhci_detach(sc, flags) 508 struct uhci_softc *sc; 509 int flags; 510 { 511 usbd_xfer_handle xfer; 512 int rv = 0; 513 514 if (sc->sc_child != NULL) 515 rv = config_detach(sc->sc_child, flags); 516 517 if (rv != 0) 518 return (rv); 519 520 #if defined(__NetBSD__) || defined(__OpenBSD__) 521 powerhook_disestablish(sc->sc_powerhook); 522 shutdownhook_disestablish(sc->sc_shutdownhook); 523 #endif 524 525 /* Free all xfers associated with this HC. */ 526 for (;;) { 527 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 528 if (xfer == NULL) 529 break; 530 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 531 free(xfer, M_USB); 532 } 533 534 /* XXX free other data structures XXX */ 535 536 return (rv); 537 } 538 #endif 539 540 usbd_status 541 uhci_allocm(bus, dma, size) 542 struct usbd_bus *bus; 543 usb_dma_t *dma; 544 u_int32_t size; 545 { 546 struct uhci_softc *sc = (struct uhci_softc *)bus; 547 u_int32_t n; 548 549 /* 550 * XXX 551 * Since we are allocating a buffer we can assume that we will 552 * need TDs for it. Since we don't want to alolocate those from 553 * an interrupt context, we allocate them here and free them again. 554 * This is no guarantee that we'll get the TDs next time... 555 */ 556 n = size / 8; 557 if (n > 16) { 558 u_int32_t i; 559 uhci_soft_td_t **stds; 560 DPRINTF(("uhci_allocm: get %d TDs\n", n)); 561 stds = malloc(sizeof(uhci_soft_td_t *) * n, M_TEMP, M_NOWAIT); 562 memset(stds, 0, sizeof(uhci_soft_td_t *) * n); 563 for(i=0; i < n; i++) 564 stds[i] = uhci_alloc_std(sc); 565 for(i=0; i < n; i++) 566 if (stds[i] != NULL) 567 uhci_free_std(sc, stds[i]); 568 free(stds, M_TEMP); 569 } 570 571 return (usb_allocmem(&sc->sc_bus, size, 0, dma)); 572 } 573 574 void 575 uhci_freem(bus, dma) 576 struct usbd_bus *bus; 577 usb_dma_t *dma; 578 { 579 usb_freemem(&((struct uhci_softc *)bus)->sc_bus, dma); 580 } 581 582 usbd_xfer_handle 583 uhci_allocx(bus) 584 struct usbd_bus *bus; 585 { 586 struct uhci_softc *sc = (struct uhci_softc *)bus; 587 usbd_xfer_handle xfer; 588 589 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 590 if (xfer != NULL) { 591 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 592 #ifdef DIAGNOSTIC 593 if (xfer->busy_free != XFER_FREE) { 594 printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer, 595 xfer->busy_free); 596 } 597 #endif 598 } else { 599 xfer = malloc(sizeof(struct uhci_xfer), M_USB, M_NOWAIT); 600 } 601 if (xfer != NULL) { 602 memset(xfer, 0, sizeof (struct uhci_xfer)); 603 UXFER(xfer)->iinfo.sc = sc; 604 #ifdef DIAGNOSTIC 605 UXFER(xfer)->iinfo.isdone = 1; 606 #endif 607 } 608 #ifdef DIAGNOSTIC 609 xfer->busy_free = XFER_BUSY; 610 #endif 611 return (xfer); 612 } 613 614 void 615 uhci_freex(bus, xfer) 616 struct usbd_bus *bus; 617 usbd_xfer_handle xfer; 618 { 619 struct uhci_softc *sc = (struct uhci_softc *)bus; 620 621 #ifdef DIAGNOSTIC 622 if (xfer->busy_free != XFER_BUSY) { 623 printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer, 624 xfer->busy_free); 625 return; 626 } 627 xfer->busy_free = XFER_FREE; 628 if (!UXFER(xfer)->iinfo.isdone) { 629 printf("uhci_freex: !isdone\n"); 630 return; 631 } 632 #endif 633 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); 634 } 635 636 /* 637 * Shut down the controller when the system is going down. 638 */ 639 void 640 uhci_shutdown(v) 641 void *v; 642 { 643 uhci_softc_t *sc = v; 644 645 DPRINTF(("uhci_shutdown: stopping the HC\n")); 646 uhci_run(sc, 0); /* stop the controller */ 647 } 648 649 /* 650 * Handle suspend/resume. 651 * 652 * We need to switch to polling mode here, because this routine is 653 * called from an interrupt context. This is all right since we 654 * are almost suspended anyway. 655 */ 656 void 657 uhci_power(why, v) 658 int why; 659 void *v; 660 { 661 uhci_softc_t *sc = v; 662 int cmd; 663 int s; 664 665 s = splusb(); 666 cmd = UREAD2(sc, UHCI_CMD); 667 668 DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", 669 sc, why, sc->sc_suspend, cmd)); 670 671 if (why != PWR_RESUME) { 672 #ifdef UHCI_DEBUG 673 if (uhcidebug > 2) 674 uhci_dumpregs(sc); 675 #endif 676 if (sc->sc_intr_xfer != NULL) 677 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, 678 sc->sc_intr_xfer); 679 sc->sc_bus.use_polling++; 680 uhci_run(sc, 0); /* stop the controller */ 681 682 /* save some state if BIOS doesn't */ 683 sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); 684 sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); 685 686 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 687 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 688 sc->sc_suspend = why; 689 sc->sc_bus.use_polling--; 690 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 691 } else { 692 #ifdef DIAGNOSTIC 693 if (sc->sc_suspend == PWR_RESUME) 694 printf("uhci_power: weird, resume without suspend.\n"); 695 #endif 696 sc->sc_bus.use_polling++; 697 sc->sc_suspend = why; 698 if (cmd & UHCI_CMD_RS) 699 uhci_run(sc, 0); /* in case BIOS has started it */ 700 701 /* restore saved state */ 702 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); 703 UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); 704 UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); 705 706 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 707 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 708 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 709 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 710 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 711 uhci_run(sc, 1); /* and start traffic again */ 712 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 713 sc->sc_bus.use_polling--; 714 if (sc->sc_intr_xfer != NULL) 715 usb_callout(sc->sc_poll_handle, sc->sc_ival, 716 uhci_poll_hub, sc->sc_intr_xfer); 717 #ifdef UHCI_DEBUG 718 if (uhcidebug > 2) 719 uhci_dumpregs(sc); 720 #endif 721 } 722 splx(s); 723 } 724 725 #ifdef UHCI_DEBUG 726 Static void 727 uhci_dumpregs(sc) 728 uhci_softc_t *sc; 729 { 730 DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 731 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 732 USBDEVNAME(sc->sc_bus.bdev), 733 UREAD2(sc, UHCI_CMD), 734 UREAD2(sc, UHCI_STS), 735 UREAD2(sc, UHCI_INTR), 736 UREAD2(sc, UHCI_FRNUM), 737 UREAD4(sc, UHCI_FLBASEADDR), 738 UREAD1(sc, UHCI_SOF), 739 UREAD2(sc, UHCI_PORTSC1), 740 UREAD2(sc, UHCI_PORTSC2))); 741 } 742 743 void 744 uhci_dump_td(p) 745 uhci_soft_td_t *p; 746 { 747 DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 748 "token=0x%08lx buffer=0x%08lx\n", 749 p, (long)p->physaddr, 750 (long)le32toh(p->td.td_link), 751 (long)le32toh(p->td.td_status), 752 (long)le32toh(p->td.td_token), 753 (long)le32toh(p->td.td_buffer))); 754 DPRINTFN(-1,(" %b %b,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 755 "D=%d,maxlen=%d\n", 756 (int)le32toh(p->td.td_link), 757 "\20\1T\2Q\3VF", 758 (int)le32toh(p->td.td_status), 759 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 760 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 761 UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), 762 UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), 763 UHCI_TD_GET_PID(le32toh(p->td.td_token)), 764 UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), 765 UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), 766 UHCI_TD_GET_DT(le32toh(p->td.td_token)), 767 UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); 768 } 769 770 void 771 uhci_dump_qh(sqh) 772 uhci_soft_qh_t *sqh; 773 { 774 DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, 775 (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), 776 le32toh(sqh->qh.qh_elink))); 777 } 778 779 780 #if 1 781 void 782 uhci_dump() 783 { 784 uhci_dump_all(thesc); 785 } 786 #endif 787 788 void 789 uhci_dump_all(sc) 790 uhci_softc_t *sc; 791 { 792 uhci_dumpregs(sc); 793 printf("intrs=%d\n", sc->sc_bus.no_intrs); 794 /*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/ 795 uhci_dump_qh(sc->sc_ctl_start); 796 } 797 798 799 void 800 uhci_dump_qhs(sqh) 801 uhci_soft_qh_t *sqh; 802 { 803 uhci_dump_qh(sqh); 804 805 /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards 806 * Traverses sideways first, then down. 807 * 808 * QH1 809 * QH2 810 * No QH 811 * TD2.1 812 * TD2.2 813 * TD1.1 814 * etc. 815 * 816 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. 817 */ 818 819 820 if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) 821 uhci_dump_qhs(sqh->hlink); 822 else 823 DPRINTF(("No QH\n")); 824 825 if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) 826 uhci_dump_tds(sqh->elink); 827 else 828 DPRINTF(("No TD\n")); 829 } 830 831 void 832 uhci_dump_tds(std) 833 uhci_soft_td_t *std; 834 { 835 uhci_soft_td_t *td; 836 837 for(td = std; td != NULL; td = td->link.std) { 838 uhci_dump_td(td); 839 840 /* Check whether the link pointer in this TD marks 841 * the link pointer as end of queue. This avoids 842 * printing the free list in case the queue/TD has 843 * already been moved there (seatbelt). 844 */ 845 if (le32toh(td->td.td_link) & UHCI_PTR_T || 846 le32toh(td->td.td_link) == 0) 847 break; 848 } 849 } 850 851 Static void 852 uhci_dump_ii(ii) 853 uhci_intr_info_t *ii; 854 { 855 usbd_pipe_handle pipe; 856 usb_endpoint_descriptor_t *ed; 857 usbd_device_handle dev; 858 859 #ifdef DIAGNOSTIC 860 #define DONE ii->isdone 861 #else 862 #define DONE 0 863 #endif 864 if (ii == NULL) { 865 printf("ii NULL\n"); 866 return; 867 } 868 if (ii->xfer == NULL) { 869 printf("ii %p: done=%d xfer=NULL\n", 870 ii, DONE); 871 return; 872 } 873 pipe = ii->xfer->pipe; 874 if (pipe == NULL) { 875 printf("ii %p: done=%d xfer=%p pipe=NULL\n", 876 ii, DONE, ii->xfer); 877 return; 878 } 879 ed = pipe->endpoint->edesc; 880 dev = pipe->device; 881 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", 882 ii, DONE, ii->xfer, dev, 883 UGETW(dev->ddesc.idVendor), 884 UGETW(dev->ddesc.idProduct), 885 dev->address, pipe, 886 ed->bEndpointAddress, ed->bmAttributes); 887 #undef DONE 888 } 889 890 void uhci_dump_iis(struct uhci_softc *); 891 void 892 uhci_dump_iis(sc) 893 struct uhci_softc *sc; 894 { 895 uhci_intr_info_t *ii; 896 897 printf("intr_info list:\n"); 898 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 899 uhci_dump_ii(ii); 900 } 901 902 void iidump(void); 903 void iidump() { uhci_dump_iis(thesc); } 904 905 #endif 906 907 /* 908 * This routine is executed periodically and simulates interrupts 909 * from the root controller interrupt pipe for port status change. 910 */ 911 void 912 uhci_poll_hub(addr) 913 void *addr; 914 { 915 usbd_xfer_handle xfer = addr; 916 usbd_pipe_handle pipe = xfer->pipe; 917 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 918 int s; 919 u_char *p; 920 921 DPRINTFN(20, ("uhci_poll_hub\n")); 922 923 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 924 925 p = KERNADDR(&xfer->dmabuf); 926 p[0] = 0; 927 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 928 p[0] |= 1<<1; 929 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 930 p[0] |= 1<<2; 931 if (p[0] == 0) 932 /* No change, try again in a while */ 933 return; 934 935 xfer->actlen = 1; 936 xfer->status = USBD_NORMAL_COMPLETION; 937 s = splusb(); 938 xfer->device->bus->intr_context++; 939 usb_transfer_complete(xfer); 940 xfer->device->bus->intr_context--; 941 splx(s); 942 } 943 944 void 945 uhci_root_intr_done(xfer) 946 usbd_xfer_handle xfer; 947 { 948 } 949 950 void 951 uhci_root_ctrl_done(xfer) 952 usbd_xfer_handle xfer; 953 { 954 } 955 956 /* Add control QH, called at splusb(). */ 957 void 958 uhci_add_ctrl(sc, sqh) 959 uhci_softc_t *sc; 960 uhci_soft_qh_t *sqh; 961 { 962 uhci_soft_qh_t *eqh; 963 964 SPLUSBCHECK; 965 966 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 967 eqh = sc->sc_ctl_end; 968 sqh->hlink = eqh->hlink; 969 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 970 eqh->hlink = sqh; 971 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 972 sc->sc_ctl_end = sqh; 973 } 974 975 /* Remove control QH, called at splusb(). */ 976 void 977 uhci_remove_ctrl(sc, sqh) 978 uhci_softc_t *sc; 979 uhci_soft_qh_t *sqh; 980 { 981 uhci_soft_qh_t *pqh; 982 983 SPLUSBCHECK; 984 985 DPRINTFN(10, ("uhci_remove_ctrl: sqh=%p\n", sqh)); 986 pqh = uhci_find_prev_qh(sc->sc_ctl_start, sqh); 987 pqh->hlink = sqh->hlink; 988 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 989 if (sc->sc_ctl_end == sqh) 990 sc->sc_ctl_end = pqh; 991 } 992 993 /* Add bulk QH, called at splusb(). */ 994 void 995 uhci_add_bulk(sc, sqh) 996 uhci_softc_t *sc; 997 uhci_soft_qh_t *sqh; 998 { 999 uhci_soft_qh_t *eqh; 1000 1001 SPLUSBCHECK; 1002 1003 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 1004 eqh = sc->sc_bulk_end; 1005 sqh->hlink = eqh->hlink; 1006 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1007 eqh->hlink = sqh; 1008 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 1009 sc->sc_bulk_end = sqh; 1010 } 1011 1012 /* Remove bulk QH, called at splusb(). */ 1013 void 1014 uhci_remove_bulk(sc, sqh) 1015 uhci_softc_t *sc; 1016 uhci_soft_qh_t *sqh; 1017 { 1018 uhci_soft_qh_t *pqh; 1019 1020 SPLUSBCHECK; 1021 1022 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 1023 pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); 1024 pqh->hlink = sqh->hlink; 1025 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1026 if (sc->sc_bulk_end == sqh) 1027 sc->sc_bulk_end = pqh; 1028 } 1029 1030 int 1031 uhci_intr(arg) 1032 void *arg; 1033 { 1034 uhci_softc_t *sc = arg; 1035 int status; 1036 int ack; 1037 1038 #ifdef UHCI_DEBUG 1039 if (uhcidebug > 15) { 1040 DPRINTF(("%s: uhci_intr\n", USBDEVNAME(sc->sc_bus.bdev))); 1041 uhci_dumpregs(sc); 1042 } 1043 #endif 1044 1045 if (sc->sc_suspend != PWR_RESUME) { 1046 printf("%s: interrupt while not operating ignored\n", 1047 USBDEVNAME(sc->sc_bus.bdev)); 1048 return (0); 1049 } 1050 1051 status = UREAD2(sc, UHCI_STS); 1052 if (status == 0) /* The interrupt was not for us. */ 1053 return (0); 1054 1055 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1056 if (sc->sc_suspend != PWR_RESUME) 1057 printf("uhci_intr: suspended sts=0x%x\n", status); 1058 #endif 1059 1060 ack = 0; 1061 if (status & UHCI_STS_USBINT) 1062 ack |= UHCI_STS_USBINT; 1063 if (status & UHCI_STS_USBEI) 1064 ack |= UHCI_STS_USBEI; 1065 if (status & UHCI_STS_RD) { 1066 ack |= UHCI_STS_RD; 1067 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1068 } 1069 if (status & UHCI_STS_HSE) { 1070 ack |= UHCI_STS_HSE; 1071 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1072 } 1073 if (status & UHCI_STS_HCPE) { 1074 ack |= UHCI_STS_HCPE; 1075 printf("%s: host controller process error\n", 1076 USBDEVNAME(sc->sc_bus.bdev)); 1077 } 1078 if (status & UHCI_STS_HCH) { 1079 /* no acknowledge needed */ 1080 printf("%s: host controller halted\n", 1081 USBDEVNAME(sc->sc_bus.bdev)); 1082 sc->sc_dying = 1; 1083 #ifdef UHCI_DEBUG 1084 uhci_dump_all(sc); 1085 #endif 1086 1087 } 1088 1089 if (ack) /* acknowledge the ints */ 1090 UWRITE2(sc, UHCI_STS, ack); 1091 else /* nothing to acknowledge */ 1092 return (0); 1093 1094 sc->sc_bus.no_intrs++; 1095 usb_schedsoftintr(&sc->sc_bus); 1096 1097 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1098 1099 return (1); 1100 } 1101 1102 void 1103 uhci_softintr(bus) 1104 struct usbd_bus *bus; 1105 { 1106 uhci_softc_t *sc = (uhci_softc_t *)bus; 1107 uhci_intr_info_t *ii; 1108 1109 DPRINTFN(10,("%s: uhci_softintr\n", USBDEVNAME(sc->sc_bus.bdev))); 1110 1111 sc->sc_bus.intr_context++; 1112 1113 /* 1114 * Interrupts on UHCI really suck. When the host controller 1115 * interrupts because a transfer is completed there is no 1116 * way of knowing which transfer it was. You can scan down 1117 * the TDs and QHs of the previous frame to limit the search, 1118 * but that assumes that the interrupt was not delayed by more 1119 * than 1 ms, which may not always be true (e.g. after debug 1120 * output on a slow console). 1121 * We scan all interrupt descriptors to see if any have 1122 * completed. 1123 */ 1124 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1125 uhci_check_intr(sc, ii); 1126 1127 sc->sc_bus.intr_context--; 1128 } 1129 1130 /* Check for an interrupt. */ 1131 void 1132 uhci_check_intr(sc, ii) 1133 uhci_softc_t *sc; 1134 uhci_intr_info_t *ii; 1135 { 1136 uhci_soft_td_t *std, *lstd; 1137 u_int32_t status; 1138 1139 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1140 #ifdef DIAGNOSTIC 1141 if (ii == NULL) { 1142 printf("uhci_check_intr: no ii? %p\n", ii); 1143 return; 1144 } 1145 #endif 1146 if (ii->stdstart == NULL) 1147 return; 1148 lstd = ii->stdend; 1149 #ifdef DIAGNOSTIC 1150 if (lstd == NULL) { 1151 printf("uhci_check_intr: std==0\n"); 1152 return; 1153 } 1154 #endif 1155 /* 1156 * If the last TD is still active we need to check whether there 1157 * is a an error somewhere in the middle, or whether there was a 1158 * short packet (SPD and not ACTIVE). 1159 */ 1160 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1161 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1162 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1163 status = le32toh(std->td.td_status); 1164 /* If there's an active TD the xfer isn't done. */ 1165 if (status & UHCI_TD_ACTIVE) 1166 break; 1167 /* Any kind of error makes the xfer done. */ 1168 if (status & UHCI_TD_STALLED) 1169 goto done; 1170 /* We want short packets, and it is short: it's done */ 1171 if ((status & UHCI_TD_SPD) && 1172 UHCI_TD_GET_ACTLEN(status) < 1173 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1174 goto done; 1175 } 1176 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1177 ii, ii->stdstart)); 1178 return; 1179 } 1180 done: 1181 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1182 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1183 uhci_idone(ii); 1184 } 1185 1186 /* Called at splusb() */ 1187 void 1188 uhci_idone(ii) 1189 uhci_intr_info_t *ii; 1190 { 1191 usbd_xfer_handle xfer = ii->xfer; 1192 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1193 uhci_soft_td_t *std; 1194 u_int32_t status = 0, nstatus; 1195 int actlen; 1196 1197 #ifdef DIAGNOSTIC 1198 { 1199 int s = splhigh(); 1200 if (ii->isdone) { 1201 splx(s); 1202 #ifdef UHCI_DEBUG 1203 printf("uhci_idone: ii is done!\n "); 1204 uhci_dump_ii(ii); 1205 #else 1206 printf("uhci_idone: ii=%p is done!\n", ii); 1207 #endif 1208 return; 1209 } 1210 ii->isdone = 1; 1211 splx(s); 1212 } 1213 #endif 1214 1215 if (xfer->status == USBD_CANCELLED || 1216 xfer->status == USBD_TIMEOUT) { 1217 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1218 return; 1219 } 1220 1221 if (xfer->nframes != 0) { 1222 /* Isoc transfer, do things differently. */ 1223 uhci_soft_td_t **stds = upipe->u.iso.stds; 1224 int i, n, nframes; 1225 1226 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1227 1228 nframes = xfer->nframes; 1229 actlen = 0; 1230 n = UXFER(xfer)->curframe; 1231 for (i = 0; i < nframes; i++) { 1232 std = stds[n]; 1233 #ifdef UHCI_DEBUG 1234 if (uhcidebug > 5) { 1235 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1236 uhci_dump_td(std); 1237 } 1238 #endif 1239 if (++n >= UHCI_VFRAMELIST_COUNT) 1240 n = 0; 1241 status = le32toh(std->td.td_status); 1242 actlen += UHCI_TD_GET_ACTLEN(status); 1243 } 1244 upipe->u.iso.inuse -= nframes; 1245 xfer->actlen = actlen; 1246 xfer->status = USBD_NORMAL_COMPLETION; 1247 usb_transfer_complete(xfer); 1248 return; 1249 } 1250 1251 #ifdef UHCI_DEBUG 1252 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1253 ii, xfer, upipe)); 1254 if (uhcidebug > 10) 1255 uhci_dump_tds(ii->stdstart); 1256 #endif 1257 1258 /* The transfer is done, compute actual length and status. */ 1259 actlen = 0; 1260 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1261 nstatus = le32toh(std->td.td_status); 1262 if (nstatus & UHCI_TD_ACTIVE) 1263 break; 1264 1265 status = nstatus; 1266 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1267 UHCI_TD_PID_SETUP) 1268 actlen += UHCI_TD_GET_ACTLEN(status); 1269 } 1270 /* If there are left over TDs we need to update the toggle. */ 1271 if (std != NULL) 1272 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1273 1274 status &= UHCI_TD_ERROR; 1275 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 1276 actlen, status)); 1277 xfer->actlen = actlen; 1278 if (status != 0) { 1279 DPRINTFN((status == UHCI_TD_STALLED)*10, 1280 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1281 "status 0x%b\n", 1282 xfer->pipe->device->address, 1283 xfer->pipe->endpoint->edesc->bEndpointAddress, 1284 (int)status, 1285 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 1286 "STALLED\30ACTIVE")); 1287 if (status == UHCI_TD_STALLED) 1288 xfer->status = USBD_STALLED; 1289 else 1290 xfer->status = USBD_IOERROR; /* more info XXX */ 1291 } else { 1292 xfer->status = USBD_NORMAL_COMPLETION; 1293 } 1294 usb_transfer_complete(xfer); 1295 } 1296 1297 /* 1298 * Called when a request does not complete. 1299 */ 1300 void 1301 uhci_timeout(addr) 1302 void *addr; 1303 { 1304 uhci_intr_info_t *ii = addr; 1305 1306 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1307 1308 #ifdef UHCI_DEBUG 1309 if (uhcidebug > 10) 1310 uhci_dump_tds(ii->stdstart); 1311 #endif 1312 1313 ii->xfer->device->bus->intr_context++; 1314 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1315 ii->xfer->device->bus->intr_context--; 1316 } 1317 1318 /* 1319 * Wait here until controller claims to have an interrupt. 1320 * Then call uhci_intr and return. Use timeout to avoid waiting 1321 * too long. 1322 * Only used during boot when interrupts are not enabled yet. 1323 */ 1324 void 1325 uhci_waitintr(sc, xfer) 1326 uhci_softc_t *sc; 1327 usbd_xfer_handle xfer; 1328 { 1329 int timo = xfer->timeout; 1330 uhci_intr_info_t *ii; 1331 1332 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1333 1334 xfer->status = USBD_IN_PROGRESS; 1335 for (; timo >= 0; timo--) { 1336 usb_delay_ms(&sc->sc_bus, 1); 1337 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1338 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1339 uhci_intr(sc); 1340 if (xfer->status != USBD_IN_PROGRESS) 1341 return; 1342 } 1343 } 1344 1345 /* Timeout */ 1346 DPRINTF(("uhci_waitintr: timeout\n")); 1347 for (ii = LIST_FIRST(&sc->sc_intrhead); 1348 ii != NULL && ii->xfer != xfer; 1349 ii = LIST_NEXT(ii, list)) 1350 ; 1351 #ifdef DIAGNOSTIC 1352 if (ii == NULL) 1353 panic("uhci_waitintr: lost intr_info\n"); 1354 #endif 1355 uhci_idone(ii); 1356 } 1357 1358 void 1359 uhci_poll(bus) 1360 struct usbd_bus *bus; 1361 { 1362 uhci_softc_t *sc = (uhci_softc_t *)bus; 1363 1364 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1365 uhci_intr(sc); 1366 } 1367 1368 #if 0 1369 void 1370 uhci_reset(sc) 1371 uhci_softc_t *sc; 1372 { 1373 int n; 1374 1375 UHCICMD(sc, UHCI_CMD_HCRESET); 1376 /* The reset bit goes low when the controller is done. */ 1377 for (n = 0; n < UHCI_RESET_TIMEOUT && 1378 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1379 usb_delay_ms(&sc->sc_bus, 1); 1380 if (n >= UHCI_RESET_TIMEOUT) 1381 printf("%s: controller did not reset\n", 1382 USBDEVNAME(sc->sc_bus.bdev)); 1383 } 1384 #endif 1385 1386 usbd_status 1387 uhci_run(sc, run) 1388 uhci_softc_t *sc; 1389 int run; 1390 { 1391 int s, n, running; 1392 u_int16_t cmd; 1393 1394 run = run != 0; 1395 s = splusb(); 1396 DPRINTF(("uhci_run: setting run=%d\n", run)); 1397 cmd = UREAD2(sc, UHCI_CMD); 1398 if (run) 1399 cmd |= UHCI_CMD_RS; 1400 else 1401 cmd &= ~UHCI_CMD_RS; 1402 UHCICMD(sc, cmd); 1403 for(n = 0; n < 10; n++) { 1404 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1405 /* return when we've entered the state we want */ 1406 if (run == running) { 1407 splx(s); 1408 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1409 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1410 return (USBD_NORMAL_COMPLETION); 1411 } 1412 usb_delay_ms(&sc->sc_bus, 1); 1413 } 1414 splx(s); 1415 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1416 run ? "start" : "stop"); 1417 return (USBD_IOERROR); 1418 } 1419 1420 /* 1421 * Memory management routines. 1422 * uhci_alloc_std allocates TDs 1423 * uhci_alloc_sqh allocates QHs 1424 * These two routines do their own free list management, 1425 * partly for speed, partly because allocating DMAable memory 1426 * has page size granularaity so much memory would be wasted if 1427 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1428 */ 1429 1430 uhci_soft_td_t * 1431 uhci_alloc_std(sc) 1432 uhci_softc_t *sc; 1433 { 1434 uhci_soft_td_t *std; 1435 usbd_status err; 1436 int i, offs; 1437 usb_dma_t dma; 1438 1439 if (sc->sc_freetds == NULL) { 1440 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1441 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1442 UHCI_TD_ALIGN, &dma); 1443 if (err) 1444 return (0); 1445 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1446 offs = i * UHCI_STD_SIZE; 1447 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1448 std->physaddr = DMAADDR(&dma) + offs; 1449 std->link.std = sc->sc_freetds; 1450 sc->sc_freetds = std; 1451 } 1452 } 1453 std = sc->sc_freetds; 1454 sc->sc_freetds = std->link.std; 1455 memset(&std->td, 0, sizeof(uhci_td_t)); 1456 return std; 1457 } 1458 1459 void 1460 uhci_free_std(sc, std) 1461 uhci_softc_t *sc; 1462 uhci_soft_td_t *std; 1463 { 1464 #ifdef DIAGNOSTIC 1465 #define TD_IS_FREE 0x12345678 1466 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1467 printf("uhci_free_std: freeing free TD %p\n", std); 1468 return; 1469 } 1470 std->td.td_token = htole32(TD_IS_FREE); 1471 #endif 1472 std->link.std = sc->sc_freetds; 1473 sc->sc_freetds = std; 1474 } 1475 1476 uhci_soft_qh_t * 1477 uhci_alloc_sqh(sc) 1478 uhci_softc_t *sc; 1479 { 1480 uhci_soft_qh_t *sqh; 1481 usbd_status err; 1482 int i, offs; 1483 usb_dma_t dma; 1484 1485 if (sc->sc_freeqhs == NULL) { 1486 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1487 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1488 UHCI_QH_ALIGN, &dma); 1489 if (err) 1490 return (0); 1491 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1492 offs = i * UHCI_SQH_SIZE; 1493 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1494 sqh->physaddr = DMAADDR(&dma) + offs; 1495 sqh->hlink = sc->sc_freeqhs; 1496 sc->sc_freeqhs = sqh; 1497 } 1498 } 1499 sqh = sc->sc_freeqhs; 1500 sc->sc_freeqhs = sqh->hlink; 1501 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1502 return (sqh); 1503 } 1504 1505 void 1506 uhci_free_sqh(sc, sqh) 1507 uhci_softc_t *sc; 1508 uhci_soft_qh_t *sqh; 1509 { 1510 sqh->hlink = sc->sc_freeqhs; 1511 sc->sc_freeqhs = sqh; 1512 } 1513 1514 void 1515 uhci_free_std_chain(sc, std, stdend) 1516 uhci_softc_t *sc; 1517 uhci_soft_td_t *std; 1518 uhci_soft_td_t *stdend; 1519 { 1520 uhci_soft_td_t *p; 1521 1522 for (; std != stdend; std = p) { 1523 p = std->link.std; 1524 uhci_free_std(sc, std); 1525 } 1526 } 1527 1528 usbd_status 1529 uhci_alloc_std_chain(upipe, sc, len, rd, flags, dma, sp, ep) 1530 struct uhci_pipe *upipe; 1531 uhci_softc_t *sc; 1532 int len, rd; 1533 u_int16_t flags; 1534 usb_dma_t *dma; 1535 uhci_soft_td_t **sp, **ep; 1536 { 1537 uhci_soft_td_t *p, *lastp; 1538 uhci_physaddr_t lastlink; 1539 int i, ntd, l, tog, maxp; 1540 u_int32_t status; 1541 int addr = upipe->pipe.device->address; 1542 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1543 1544 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1545 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1546 upipe->pipe.device->lowspeed, flags)); 1547 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1548 if (maxp == 0) { 1549 printf("uhci_alloc_std_chain: maxp=0\n"); 1550 return (USBD_INVAL); 1551 } 1552 ntd = (len + maxp - 1) / maxp; 1553 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1554 ntd++; 1555 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1556 if (ntd == 0) { 1557 *sp = *ep = 0; 1558 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1559 return (USBD_NORMAL_COMPLETION); 1560 } 1561 tog = upipe->nexttoggle; 1562 if (ntd % 2 == 0) 1563 tog ^= 1; 1564 upipe->nexttoggle = tog ^ 1; 1565 lastp = 0; 1566 lastlink = UHCI_PTR_T; 1567 ntd--; 1568 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1569 if (upipe->pipe.device->lowspeed) 1570 status |= UHCI_TD_LS; 1571 if (flags & USBD_SHORT_XFER_OK) 1572 status |= UHCI_TD_SPD; 1573 for (i = ntd; i >= 0; i--) { 1574 p = uhci_alloc_std(sc); 1575 if (p == NULL) { 1576 uhci_free_std_chain(sc, lastp, 0); 1577 return (USBD_NOMEM); 1578 } 1579 p->link.std = lastp; 1580 if (lastlink == UHCI_PTR_T) 1581 p->td.td_link = htole32(lastlink); 1582 else 1583 p->td.td_link = htole32(lastlink|UHCI_PTR_VF); 1584 lastp = p; 1585 lastlink = p->physaddr; 1586 p->td.td_status = htole32(status); 1587 if (i == ntd) { 1588 /* last TD */ 1589 l = len % maxp; 1590 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1591 l = maxp; 1592 *ep = p; 1593 } else 1594 l = maxp; 1595 p->td.td_token = 1596 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1597 UHCI_TD_OUT(l, endpt, addr, tog)); 1598 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1599 tog ^= 1; 1600 } 1601 *sp = lastp; 1602 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1603 upipe->nexttoggle)); 1604 return (USBD_NORMAL_COMPLETION); 1605 } 1606 1607 void 1608 uhci_device_clear_toggle(pipe) 1609 usbd_pipe_handle pipe; 1610 { 1611 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1612 upipe->nexttoggle = 0; 1613 } 1614 1615 void 1616 uhci_noop(pipe) 1617 usbd_pipe_handle pipe; 1618 { 1619 } 1620 1621 usbd_status 1622 uhci_device_bulk_transfer(xfer) 1623 usbd_xfer_handle xfer; 1624 { 1625 usbd_status err; 1626 1627 /* Insert last in queue. */ 1628 err = usb_insert_transfer(xfer); 1629 if (err) 1630 return (err); 1631 1632 /* 1633 * Pipe isn't running (otherwise err would be USBD_INPROG), 1634 * so start it first. 1635 */ 1636 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1637 } 1638 1639 usbd_status 1640 uhci_device_bulk_start(xfer) 1641 usbd_xfer_handle xfer; 1642 { 1643 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1644 usbd_device_handle dev = upipe->pipe.device; 1645 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1646 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1647 uhci_soft_td_t *data, *dataend; 1648 uhci_soft_qh_t *sqh; 1649 usbd_status err; 1650 int len, isread, endpt; 1651 int s; 1652 1653 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1654 xfer, xfer->length, xfer->flags)); 1655 1656 if (sc->sc_dying) 1657 return (USBD_IOERROR); 1658 1659 #ifdef DIAGNOSTIC 1660 if (xfer->rqflags & URQ_REQUEST) 1661 panic("uhci_device_bulk_transfer: a request\n"); 1662 #endif 1663 1664 len = xfer->length; 1665 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1666 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1667 sqh = upipe->u.bulk.sqh; 1668 1669 upipe->u.bulk.isread = isread; 1670 upipe->u.bulk.length = len; 1671 1672 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1673 &xfer->dmabuf, &data, &dataend); 1674 if (err) 1675 return (err); 1676 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1677 1678 #ifdef UHCI_DEBUG 1679 if (uhcidebug > 8) { 1680 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1681 uhci_dump_tds(data); 1682 } 1683 #endif 1684 1685 /* Set up interrupt info. */ 1686 ii->xfer = xfer; 1687 ii->stdstart = data; 1688 ii->stdend = dataend; 1689 #ifdef DIAGNOSTIC 1690 if (!ii->isdone) { 1691 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1692 } 1693 ii->isdone = 0; 1694 #endif 1695 1696 sqh->elink = data; 1697 sqh->qh.qh_elink = htole32(data->physaddr); 1698 1699 s = splusb(); 1700 uhci_add_bulk(sc, sqh); 1701 uhci_add_intr_info(sc, ii); 1702 1703 if (xfer->timeout && !sc->sc_bus.use_polling) { 1704 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1705 uhci_timeout, ii); 1706 } 1707 xfer->status = USBD_IN_PROGRESS; 1708 splx(s); 1709 1710 #ifdef UHCI_DEBUG 1711 if (uhcidebug > 10) { 1712 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1713 uhci_dump_tds(data); 1714 } 1715 #endif 1716 1717 if (sc->sc_bus.use_polling) 1718 uhci_waitintr(sc, xfer); 1719 1720 return (USBD_IN_PROGRESS); 1721 } 1722 1723 /* Abort a device bulk request. */ 1724 void 1725 uhci_device_bulk_abort(xfer) 1726 usbd_xfer_handle xfer; 1727 { 1728 DPRINTF(("uhci_device_bulk_abort:\n")); 1729 uhci_abort_xfer(xfer, USBD_CANCELLED); 1730 } 1731 1732 /* 1733 * XXX This way of aborting is neither safe, nor good. 1734 * But it will have to do until I figure out what to do. 1735 * I apologize for the delay(). 1736 */ 1737 void 1738 uhci_abort_xfer(xfer, status) 1739 usbd_xfer_handle xfer; 1740 usbd_status status; 1741 { 1742 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1743 uhci_soft_td_t *std; 1744 int s; 1745 1746 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1747 1748 s = splusb(); 1749 1750 /* Transfer is already done. */ 1751 if (xfer->status != USBD_NOT_STARTED && 1752 xfer->status != USBD_IN_PROGRESS) { 1753 splx(s); 1754 return; 1755 } 1756 1757 /* Make interrupt routine ignore it, */ 1758 xfer->status = status; 1759 1760 /* don't timeout, */ 1761 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1762 1763 /* make hardware ignore it, */ 1764 for (std = ii->stdstart; std != NULL; std = std->link.std) 1765 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1766 1767 xfer->hcpriv = ii; 1768 1769 splx(s); 1770 1771 delay(1000); 1772 1773 s = splusb(); 1774 #ifdef DIAGNOSTIC 1775 ii->isdone = 1; 1776 #endif 1777 usb_transfer_complete(xfer); 1778 splx(s); 1779 } 1780 1781 /* Close a device bulk pipe. */ 1782 void 1783 uhci_device_bulk_close(pipe) 1784 usbd_pipe_handle pipe; 1785 { 1786 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1787 usbd_device_handle dev = upipe->pipe.device; 1788 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1789 1790 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1791 } 1792 1793 usbd_status 1794 uhci_device_ctrl_transfer(xfer) 1795 usbd_xfer_handle xfer; 1796 { 1797 usbd_status err; 1798 1799 /* Insert last in queue. */ 1800 err = usb_insert_transfer(xfer); 1801 if (err) 1802 return (err); 1803 1804 /* 1805 * Pipe isn't running (otherwise err would be USBD_INPROG), 1806 * so start it first. 1807 */ 1808 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1809 } 1810 1811 usbd_status 1812 uhci_device_ctrl_start(xfer) 1813 usbd_xfer_handle xfer; 1814 { 1815 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1816 usbd_status err; 1817 1818 if (sc->sc_dying) 1819 return (USBD_IOERROR); 1820 1821 #ifdef DIAGNOSTIC 1822 if (!(xfer->rqflags & URQ_REQUEST)) 1823 panic("uhci_device_ctrl_transfer: not a request\n"); 1824 #endif 1825 1826 err = uhci_device_request(xfer); 1827 if (err) 1828 return (err); 1829 1830 if (sc->sc_bus.use_polling) 1831 uhci_waitintr(sc, xfer); 1832 return (USBD_IN_PROGRESS); 1833 } 1834 1835 usbd_status 1836 uhci_device_intr_transfer(xfer) 1837 usbd_xfer_handle xfer; 1838 { 1839 usbd_status err; 1840 1841 /* Insert last in queue. */ 1842 err = usb_insert_transfer(xfer); 1843 if (err) 1844 return (err); 1845 1846 /* 1847 * Pipe isn't running (otherwise err would be USBD_INPROG), 1848 * so start it first. 1849 */ 1850 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1851 } 1852 1853 usbd_status 1854 uhci_device_intr_start(xfer) 1855 usbd_xfer_handle xfer; 1856 { 1857 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1858 usbd_device_handle dev = upipe->pipe.device; 1859 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1860 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1861 uhci_soft_td_t *data, *dataend; 1862 uhci_soft_qh_t *sqh; 1863 usbd_status err; 1864 int i, s; 1865 1866 if (sc->sc_dying) 1867 return (USBD_IOERROR); 1868 1869 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1870 xfer, xfer->length, xfer->flags)); 1871 1872 #ifdef DIAGNOSTIC 1873 if (xfer->rqflags & URQ_REQUEST) 1874 panic("uhci_device_intr_transfer: a request\n"); 1875 #endif 1876 1877 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 1878 &xfer->dmabuf, &data, &dataend); 1879 if (err) 1880 return (err); 1881 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1882 1883 #ifdef UHCI_DEBUG 1884 if (uhcidebug > 10) { 1885 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 1886 uhci_dump_tds(data); 1887 uhci_dump_qh(upipe->u.intr.qhs[0]); 1888 } 1889 #endif 1890 1891 s = splusb(); 1892 /* Set up interrupt info. */ 1893 ii->xfer = xfer; 1894 ii->stdstart = data; 1895 ii->stdend = dataend; 1896 #ifdef DIAGNOSTIC 1897 if (!ii->isdone) { 1898 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 1899 } 1900 ii->isdone = 0; 1901 #endif 1902 1903 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1904 upipe->u.intr.qhs[0])); 1905 for (i = 0; i < upipe->u.intr.npoll; i++) { 1906 sqh = upipe->u.intr.qhs[i]; 1907 sqh->elink = data; 1908 sqh->qh.qh_elink = htole32(data->physaddr); 1909 } 1910 uhci_add_intr_info(sc, ii); 1911 xfer->status = USBD_IN_PROGRESS; 1912 splx(s); 1913 1914 #ifdef UHCI_DEBUG 1915 if (uhcidebug > 10) { 1916 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 1917 uhci_dump_tds(data); 1918 uhci_dump_qh(upipe->u.intr.qhs[0]); 1919 } 1920 #endif 1921 1922 return (USBD_IN_PROGRESS); 1923 } 1924 1925 /* Abort a device control request. */ 1926 void 1927 uhci_device_ctrl_abort(xfer) 1928 usbd_xfer_handle xfer; 1929 { 1930 DPRINTF(("uhci_device_ctrl_abort:\n")); 1931 uhci_abort_xfer(xfer, USBD_CANCELLED); 1932 } 1933 1934 /* Close a device control pipe. */ 1935 void 1936 uhci_device_ctrl_close(pipe) 1937 usbd_pipe_handle pipe; 1938 { 1939 } 1940 1941 /* Abort a device interrupt request. */ 1942 void 1943 uhci_device_intr_abort(xfer) 1944 usbd_xfer_handle xfer; 1945 { 1946 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 1947 if (xfer->pipe->intrxfer == xfer) { 1948 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1949 xfer->pipe->intrxfer = 0; 1950 } 1951 uhci_abort_xfer(xfer, USBD_CANCELLED); 1952 } 1953 1954 /* Close a device interrupt pipe. */ 1955 void 1956 uhci_device_intr_close(pipe) 1957 usbd_pipe_handle pipe; 1958 { 1959 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1960 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1961 int i, npoll; 1962 int s; 1963 1964 /* Unlink descriptors from controller data structures. */ 1965 npoll = upipe->u.intr.npoll; 1966 s = splusb(); 1967 for (i = 0; i < npoll; i++) 1968 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 1969 splx(s); 1970 1971 /* 1972 * We now have to wait for any activity on the physical 1973 * descriptors to stop. 1974 */ 1975 usb_delay_ms(&sc->sc_bus, 2); 1976 1977 for(i = 0; i < npoll; i++) 1978 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1979 free(upipe->u.intr.qhs, M_USBHC); 1980 1981 /* XXX free other resources */ 1982 } 1983 1984 usbd_status 1985 uhci_device_request(xfer) 1986 usbd_xfer_handle xfer; 1987 { 1988 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1989 usb_device_request_t *req = &xfer->request; 1990 usbd_device_handle dev = upipe->pipe.device; 1991 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1992 int addr = dev->address; 1993 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1994 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1995 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 1996 uhci_soft_qh_t *sqh; 1997 int len; 1998 u_int32_t ls; 1999 usbd_status err; 2000 int isread; 2001 int s; 2002 2003 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 2004 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 2005 req->bmRequestType, req->bRequest, UGETW(req->wValue), 2006 UGETW(req->wIndex), UGETW(req->wLength), 2007 addr, endpt)); 2008 2009 ls = dev->lowspeed ? UHCI_TD_LS : 0; 2010 isread = req->bmRequestType & UT_READ; 2011 len = UGETW(req->wLength); 2012 2013 setup = upipe->u.ctl.setup; 2014 stat = upipe->u.ctl.stat; 2015 sqh = upipe->u.ctl.sqh; 2016 2017 /* Set up data transaction */ 2018 if (len != 0) { 2019 upipe->nexttoggle = 1; 2020 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 2021 &xfer->dmabuf, &data, &dataend); 2022 if (err) 2023 return (err); 2024 next = data; 2025 dataend->link.std = stat; 2026 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF); 2027 } else { 2028 next = stat; 2029 } 2030 upipe->u.ctl.length = len; 2031 2032 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2033 2034 setup->link.std = next; 2035 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF); 2036 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2037 UHCI_TD_ACTIVE); 2038 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2039 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2040 2041 stat->link.std = NULL; 2042 stat->td.td_link = htole32(UHCI_PTR_T); 2043 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2044 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2045 stat->td.td_token = 2046 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2047 UHCI_TD_IN (0, endpt, addr, 1)); 2048 stat->td.td_buffer = htole32(0); 2049 2050 #ifdef UHCI_DEBUG 2051 if (uhcidebug > 10) { 2052 DPRINTF(("uhci_device_request: before transfer\n")); 2053 uhci_dump_tds(setup); 2054 } 2055 #endif 2056 2057 /* Set up interrupt info. */ 2058 ii->xfer = xfer; 2059 ii->stdstart = setup; 2060 ii->stdend = stat; 2061 #ifdef DIAGNOSTIC 2062 if (!ii->isdone) { 2063 printf("uhci_device_request: not done, ii=%p\n", ii); 2064 } 2065 ii->isdone = 0; 2066 #endif 2067 2068 sqh->elink = setup; 2069 sqh->qh.qh_elink = htole32(setup->physaddr); 2070 2071 s = splusb(); 2072 uhci_add_ctrl(sc, sqh); 2073 uhci_add_intr_info(sc, ii); 2074 #ifdef UHCI_DEBUG 2075 if (uhcidebug > 12) { 2076 uhci_soft_td_t *std; 2077 uhci_soft_qh_t *xqh; 2078 uhci_soft_qh_t *sxqh; 2079 int maxqh = 0; 2080 uhci_physaddr_t link; 2081 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2082 for (std = sc->sc_vframes[0].htd, link = 0; 2083 (link & UHCI_PTR_Q) == 0; 2084 std = std->link.std) { 2085 link = le32toh(std->td.td_link); 2086 uhci_dump_td(std); 2087 } 2088 sxqh = (uhci_soft_qh_t *)std; 2089 uhci_dump_qh(sxqh); 2090 for (xqh = sxqh; 2091 xqh != NULL; 2092 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 2093 xqh->hlink==xqh ? NULL : xqh->hlink)) { 2094 uhci_dump_qh(xqh); 2095 } 2096 DPRINTF(("Enqueued QH:\n")); 2097 uhci_dump_qh(sqh); 2098 uhci_dump_tds(sqh->elink); 2099 } 2100 #endif 2101 if (xfer->timeout && !sc->sc_bus.use_polling) { 2102 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2103 uhci_timeout, ii); 2104 } 2105 xfer->status = USBD_IN_PROGRESS; 2106 splx(s); 2107 2108 return (USBD_NORMAL_COMPLETION); 2109 } 2110 2111 usbd_status 2112 uhci_device_isoc_transfer(xfer) 2113 usbd_xfer_handle xfer; 2114 { 2115 usbd_status err; 2116 2117 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2118 2119 /* Put it on our queue, */ 2120 err = usb_insert_transfer(xfer); 2121 2122 /* bail out on error, */ 2123 if (err && err != USBD_IN_PROGRESS) 2124 return (err); 2125 2126 /* XXX should check inuse here */ 2127 2128 /* insert into schedule, */ 2129 uhci_device_isoc_enter(xfer); 2130 2131 /* and start if the pipe wasn't running */ 2132 if (!err) 2133 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2134 2135 return (err); 2136 } 2137 2138 void 2139 uhci_device_isoc_enter(xfer) 2140 usbd_xfer_handle xfer; 2141 { 2142 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2143 usbd_device_handle dev = upipe->pipe.device; 2144 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2145 struct iso *iso = &upipe->u.iso; 2146 uhci_soft_td_t *std; 2147 u_int32_t buf, len, status; 2148 int s, i, next, nframes; 2149 2150 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2151 "nframes=%d\n", 2152 iso->inuse, iso->next, xfer, xfer->nframes)); 2153 2154 if (sc->sc_dying) 2155 return; 2156 2157 if (xfer->status == USBD_IN_PROGRESS) { 2158 /* This request has already been entered into the frame list */ 2159 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2160 /* XXX */ 2161 } 2162 2163 #ifdef DIAGNOSTIC 2164 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2165 printf("uhci_device_isoc_enter: overflow!\n"); 2166 #endif 2167 2168 next = iso->next; 2169 if (next == -1) { 2170 /* Not in use yet, schedule it a few frames ahead. */ 2171 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2172 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2173 } 2174 2175 xfer->status = USBD_IN_PROGRESS; 2176 UXFER(xfer)->curframe = next; 2177 2178 buf = DMAADDR(&xfer->dmabuf); 2179 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2180 UHCI_TD_ACTIVE | 2181 UHCI_TD_IOS); 2182 nframes = xfer->nframes; 2183 s = splusb(); 2184 for (i = 0; i < nframes; i++) { 2185 std = iso->stds[next]; 2186 if (++next >= UHCI_VFRAMELIST_COUNT) 2187 next = 0; 2188 len = xfer->frlengths[i]; 2189 std->td.td_buffer = htole32(buf); 2190 if (i == nframes - 1) 2191 status |= UHCI_TD_IOC; 2192 std->td.td_status = htole32(status); 2193 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2194 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2195 #ifdef UHCI_DEBUG 2196 if (uhcidebug > 5) { 2197 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2198 uhci_dump_td(std); 2199 } 2200 #endif 2201 buf += len; 2202 } 2203 iso->next = next; 2204 iso->inuse += xfer->nframes; 2205 2206 splx(s); 2207 } 2208 2209 usbd_status 2210 uhci_device_isoc_start(xfer) 2211 usbd_xfer_handle xfer; 2212 { 2213 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2214 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2215 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2216 uhci_soft_td_t *end; 2217 int s, i; 2218 2219 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2220 2221 if (sc->sc_dying) 2222 return (USBD_IOERROR); 2223 2224 #ifdef DIAGNOSTIC 2225 if (xfer->status != USBD_IN_PROGRESS) 2226 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2227 #endif 2228 2229 /* Find the last TD */ 2230 i = UXFER(xfer)->curframe + xfer->nframes; 2231 if (i >= UHCI_VFRAMELIST_COUNT) 2232 i -= UHCI_VFRAMELIST_COUNT; 2233 end = upipe->u.iso.stds[i]; 2234 2235 #ifdef DIAGNOSTIC 2236 if (end == NULL) { 2237 printf("uhci_device_isoc_start: end == NULL\n"); 2238 return (USBD_INVAL); 2239 } 2240 #endif 2241 2242 s = splusb(); 2243 2244 /* Set up interrupt info. */ 2245 ii->xfer = xfer; 2246 ii->stdstart = end; 2247 ii->stdend = end; 2248 #ifdef DIAGNOSTIC 2249 if (!ii->isdone) 2250 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2251 ii->isdone = 0; 2252 #endif 2253 uhci_add_intr_info(sc, ii); 2254 2255 splx(s); 2256 2257 return (USBD_IN_PROGRESS); 2258 } 2259 2260 void 2261 uhci_device_isoc_abort(xfer) 2262 usbd_xfer_handle xfer; 2263 { 2264 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2265 uhci_soft_td_t **stds = upipe->u.iso.stds; 2266 uhci_soft_td_t *std; 2267 int i, n, s, nframes, maxlen, len; 2268 2269 s = splusb(); 2270 2271 /* Transfer is already done. */ 2272 if (xfer->status != USBD_NOT_STARTED && 2273 xfer->status != USBD_IN_PROGRESS) { 2274 splx(s); 2275 return; 2276 } 2277 2278 /* Give xfer the requested abort code. */ 2279 xfer->status = USBD_CANCELLED; 2280 2281 /* make hardware ignore it, */ 2282 nframes = xfer->nframes; 2283 n = UXFER(xfer)->curframe; 2284 maxlen = 0; 2285 for (i = 0; i < nframes; i++) { 2286 std = stds[n]; 2287 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2288 len = UHCI_TD_GET_MAXLEN(std->td.td_token); 2289 if (len > maxlen) 2290 maxlen = len; 2291 if (++n >= UHCI_VFRAMELIST_COUNT) 2292 n = 0; 2293 } 2294 2295 /* and wait until we are sure the hardware has finished. */ 2296 delay(maxlen); 2297 2298 #ifdef DIAGNOSTIC 2299 UXFER(xfer)->iinfo.isdone = 1; 2300 #endif 2301 /* Run callback and remove from interrupt list. */ 2302 usb_transfer_complete(xfer); 2303 2304 splx(s); 2305 } 2306 2307 void 2308 uhci_device_isoc_close(pipe) 2309 usbd_pipe_handle pipe; 2310 { 2311 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2312 usbd_device_handle dev = upipe->pipe.device; 2313 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2314 uhci_soft_td_t *std, *vstd; 2315 struct iso *iso; 2316 int i, s; 2317 2318 /* 2319 * Make sure all TDs are marked as inactive. 2320 * Wait for completion. 2321 * Unschedule. 2322 * Deallocate. 2323 */ 2324 iso = &upipe->u.iso; 2325 2326 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2327 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2328 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2329 2330 s = splusb(); 2331 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2332 std = iso->stds[i]; 2333 for (vstd = sc->sc_vframes[i].htd; 2334 vstd != NULL && vstd->link.std != std; 2335 vstd = vstd->link.std) 2336 ; 2337 if (vstd == NULL) { 2338 /*panic*/ 2339 printf("uhci_device_isoc_close: %p not found\n", std); 2340 splx(s); 2341 return; 2342 } 2343 vstd->link = std->link; 2344 vstd->td.td_link = std->td.td_link; 2345 uhci_free_std(sc, std); 2346 } 2347 splx(s); 2348 2349 free(iso->stds, M_USBHC); 2350 } 2351 2352 usbd_status 2353 uhci_setup_isoc(pipe) 2354 usbd_pipe_handle pipe; 2355 { 2356 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2357 usbd_device_handle dev = upipe->pipe.device; 2358 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2359 int addr = upipe->pipe.device->address; 2360 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2361 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2362 uhci_soft_td_t *std, *vstd; 2363 u_int32_t token; 2364 struct iso *iso; 2365 int i, s; 2366 2367 iso = &upipe->u.iso; 2368 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2369 M_USBHC, M_WAITOK); 2370 2371 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2372 UHCI_TD_OUT(0, endpt, addr, 0); 2373 2374 /* Allocate the TDs and mark as inactive; */ 2375 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2376 std = uhci_alloc_std(sc); 2377 if (std == 0) 2378 goto bad; 2379 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2380 std->td.td_token = htole32(token); 2381 iso->stds[i] = std; 2382 } 2383 2384 /* Insert TDs into schedule. */ 2385 s = splusb(); 2386 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2387 std = iso->stds[i]; 2388 vstd = sc->sc_vframes[i].htd; 2389 std->link = vstd->link; 2390 std->td.td_link = vstd->td.td_link; 2391 vstd->link.std = std; 2392 vstd->td.td_link = htole32(std->physaddr); 2393 } 2394 splx(s); 2395 2396 iso->next = -1; 2397 iso->inuse = 0; 2398 2399 return (USBD_NORMAL_COMPLETION); 2400 2401 bad: 2402 while (--i >= 0) 2403 uhci_free_std(sc, iso->stds[i]); 2404 free(iso->stds, M_USBHC); 2405 return (USBD_NOMEM); 2406 } 2407 2408 void 2409 uhci_device_isoc_done(xfer) 2410 usbd_xfer_handle xfer; 2411 { 2412 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2413 2414 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2415 2416 if (ii->xfer != xfer) 2417 /* Not on interrupt list, ignore it. */ 2418 return; 2419 2420 #ifdef DIAGNOSTIC 2421 if (xfer->busy_free != XFER_BUSY) { 2422 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2423 xfer, xfer->busy_free); 2424 return; 2425 } 2426 2427 if (ii->stdend == NULL) { 2428 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2429 #ifdef UHCI_DEBUG 2430 uhci_dump_ii(ii); 2431 #endif 2432 return; 2433 } 2434 #endif 2435 2436 /* Turn off the interrupt since it is active even if the TD is not. */ 2437 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2438 2439 uhci_del_intr_info(ii); /* remove from active list */ 2440 } 2441 2442 void 2443 uhci_device_intr_done(xfer) 2444 usbd_xfer_handle xfer; 2445 { 2446 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2447 uhci_softc_t *sc = ii->sc; 2448 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2449 uhci_soft_qh_t *sqh; 2450 int i, npoll; 2451 2452 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2453 2454 npoll = upipe->u.intr.npoll; 2455 for(i = 0; i < npoll; i++) { 2456 sqh = upipe->u.intr.qhs[i]; 2457 sqh->elink = 0; 2458 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2459 } 2460 uhci_free_std_chain(sc, ii->stdstart, 0); 2461 2462 /* XXX Wasteful. */ 2463 if (xfer->pipe->repeat) { 2464 uhci_soft_td_t *data, *dataend; 2465 2466 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2467 2468 /* This alloc cannot fail since we freed the chain above. */ 2469 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2470 &xfer->dmabuf, &data, &dataend); 2471 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2472 2473 #ifdef UHCI_DEBUG 2474 if (uhcidebug > 10) { 2475 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2476 uhci_dump_tds(data); 2477 uhci_dump_qh(upipe->u.intr.qhs[0]); 2478 } 2479 #endif 2480 2481 ii->stdstart = data; 2482 ii->stdend = dataend; 2483 #ifdef DIAGNOSTIC 2484 if (!ii->isdone) { 2485 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2486 } 2487 ii->isdone = 0; 2488 #endif 2489 for (i = 0; i < npoll; i++) { 2490 sqh = upipe->u.intr.qhs[i]; 2491 sqh->elink = data; 2492 sqh->qh.qh_elink = htole32(data->physaddr); 2493 } 2494 xfer->status = USBD_IN_PROGRESS; 2495 /* The ii is already on the examined list, just leave it. */ 2496 } else { 2497 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2498 uhci_del_intr_info(ii); 2499 } 2500 } 2501 2502 /* Deallocate request data structures */ 2503 void 2504 uhci_device_ctrl_done(xfer) 2505 usbd_xfer_handle xfer; 2506 { 2507 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2508 uhci_softc_t *sc = ii->sc; 2509 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2510 2511 #ifdef DIAGNOSTIC 2512 if (!(xfer->rqflags & URQ_REQUEST)) 2513 panic("uhci_ctrl_done: not a request\n"); 2514 #endif 2515 2516 uhci_del_intr_info(ii); /* remove from active list */ 2517 2518 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2519 2520 if (upipe->u.ctl.length != 0) 2521 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2522 2523 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2524 } 2525 2526 /* Deallocate request data structures */ 2527 void 2528 uhci_device_bulk_done(xfer) 2529 usbd_xfer_handle xfer; 2530 { 2531 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2532 uhci_softc_t *sc = ii->sc; 2533 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2534 2535 uhci_del_intr_info(ii); /* remove from active list */ 2536 2537 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2538 2539 uhci_free_std_chain(sc, ii->stdstart, 0); 2540 2541 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2542 } 2543 2544 /* Add interrupt QH, called with vflock. */ 2545 void 2546 uhci_add_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 *eqh; 2552 2553 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2554 2555 eqh = vf->eqh; 2556 sqh->hlink = eqh->hlink; 2557 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2558 eqh->hlink = sqh; 2559 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 2560 vf->eqh = sqh; 2561 vf->bandwidth++; 2562 } 2563 2564 /* Remove interrupt QH, called with vflock. */ 2565 void 2566 uhci_remove_intr(sc, sqh) 2567 uhci_softc_t *sc; 2568 uhci_soft_qh_t *sqh; 2569 { 2570 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2571 uhci_soft_qh_t *pqh; 2572 2573 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2574 2575 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2576 pqh->hlink = sqh->hlink; 2577 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2578 if (vf->eqh == sqh) 2579 vf->eqh = pqh; 2580 vf->bandwidth--; 2581 } 2582 2583 usbd_status 2584 uhci_device_setintr(sc, upipe, ival) 2585 uhci_softc_t *sc; 2586 struct uhci_pipe *upipe; 2587 int ival; 2588 { 2589 uhci_soft_qh_t *sqh; 2590 int i, npoll, s; 2591 u_int bestbw, bw, bestoffs, offs; 2592 2593 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2594 if (ival == 0) { 2595 printf("uhci_setintr: 0 interval\n"); 2596 return (USBD_INVAL); 2597 } 2598 2599 if (ival > UHCI_VFRAMELIST_COUNT) 2600 ival = UHCI_VFRAMELIST_COUNT; 2601 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2602 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2603 2604 upipe->u.intr.npoll = npoll; 2605 upipe->u.intr.qhs = 2606 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2607 2608 /* 2609 * Figure out which offset in the schedule that has most 2610 * bandwidth left over. 2611 */ 2612 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2613 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2614 for (bw = i = 0; i < npoll; i++) 2615 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2616 if (bw < bestbw) { 2617 bestbw = bw; 2618 bestoffs = offs; 2619 } 2620 } 2621 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2622 2623 for(i = 0; i < npoll; i++) { 2624 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2625 sqh->elink = 0; 2626 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2627 sqh->pos = MOD(i * ival + bestoffs); 2628 } 2629 #undef MOD 2630 2631 s = splusb(); 2632 /* Enter QHs into the controller data structures. */ 2633 for(i = 0; i < npoll; i++) 2634 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2635 splx(s); 2636 2637 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2638 return (USBD_NORMAL_COMPLETION); 2639 } 2640 2641 /* Open a new pipe. */ 2642 usbd_status 2643 uhci_open(pipe) 2644 usbd_pipe_handle pipe; 2645 { 2646 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2647 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2648 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2649 usbd_status err; 2650 int ival; 2651 2652 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2653 pipe, pipe->device->address, 2654 ed->bEndpointAddress, sc->sc_addr)); 2655 2656 upipe->aborting = 0; 2657 upipe->nexttoggle = 0; 2658 2659 if (pipe->device->address == sc->sc_addr) { 2660 switch (ed->bEndpointAddress) { 2661 case USB_CONTROL_ENDPOINT: 2662 pipe->methods = &uhci_root_ctrl_methods; 2663 break; 2664 case UE_DIR_IN | UHCI_INTR_ENDPT: 2665 pipe->methods = &uhci_root_intr_methods; 2666 break; 2667 default: 2668 return (USBD_INVAL); 2669 } 2670 } else { 2671 switch (ed->bmAttributes & UE_XFERTYPE) { 2672 case UE_CONTROL: 2673 pipe->methods = &uhci_device_ctrl_methods; 2674 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2675 if (upipe->u.ctl.sqh == NULL) 2676 goto bad; 2677 upipe->u.ctl.setup = uhci_alloc_std(sc); 2678 if (upipe->u.ctl.setup == NULL) { 2679 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2680 goto bad; 2681 } 2682 upipe->u.ctl.stat = uhci_alloc_std(sc); 2683 if (upipe->u.ctl.stat == NULL) { 2684 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2685 uhci_free_std(sc, upipe->u.ctl.setup); 2686 goto bad; 2687 } 2688 err = usb_allocmem(&sc->sc_bus, 2689 sizeof(usb_device_request_t), 2690 0, &upipe->u.ctl.reqdma); 2691 if (err) { 2692 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2693 uhci_free_std(sc, upipe->u.ctl.setup); 2694 uhci_free_std(sc, upipe->u.ctl.stat); 2695 goto bad; 2696 } 2697 break; 2698 case UE_INTERRUPT: 2699 pipe->methods = &uhci_device_intr_methods; 2700 ival = pipe->interval; 2701 if (ival == USBD_DEFAULT_INTERVAL) 2702 ival = ed->bInterval; 2703 return (uhci_device_setintr(sc, upipe, ival)); 2704 case UE_ISOCHRONOUS: 2705 pipe->methods = &uhci_device_isoc_methods; 2706 return (uhci_setup_isoc(pipe)); 2707 case UE_BULK: 2708 pipe->methods = &uhci_device_bulk_methods; 2709 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2710 if (upipe->u.bulk.sqh == NULL) 2711 goto bad; 2712 break; 2713 } 2714 } 2715 return (USBD_NORMAL_COMPLETION); 2716 2717 bad: 2718 return (USBD_NOMEM); 2719 } 2720 2721 /* 2722 * Data structures and routines to emulate the root hub. 2723 */ 2724 usb_device_descriptor_t uhci_devd = { 2725 USB_DEVICE_DESCRIPTOR_SIZE, 2726 UDESC_DEVICE, /* type */ 2727 {0x00, 0x01}, /* USB version */ 2728 UDCLASS_HUB, /* class */ 2729 UDSUBCLASS_HUB, /* subclass */ 2730 0, /* protocol */ 2731 64, /* max packet */ 2732 {0},{0},{0x00,0x01}, /* device id */ 2733 1,2,0, /* string indicies */ 2734 1 /* # of configurations */ 2735 }; 2736 2737 usb_config_descriptor_t uhci_confd = { 2738 USB_CONFIG_DESCRIPTOR_SIZE, 2739 UDESC_CONFIG, 2740 {USB_CONFIG_DESCRIPTOR_SIZE + 2741 USB_INTERFACE_DESCRIPTOR_SIZE + 2742 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2743 1, 2744 1, 2745 0, 2746 UC_SELF_POWERED, 2747 0 /* max power */ 2748 }; 2749 2750 usb_interface_descriptor_t uhci_ifcd = { 2751 USB_INTERFACE_DESCRIPTOR_SIZE, 2752 UDESC_INTERFACE, 2753 0, 2754 0, 2755 1, 2756 UICLASS_HUB, 2757 UISUBCLASS_HUB, 2758 0, 2759 0 2760 }; 2761 2762 usb_endpoint_descriptor_t uhci_endpd = { 2763 USB_ENDPOINT_DESCRIPTOR_SIZE, 2764 UDESC_ENDPOINT, 2765 UE_DIR_IN | UHCI_INTR_ENDPT, 2766 UE_INTERRUPT, 2767 {8}, 2768 255 2769 }; 2770 2771 usb_hub_descriptor_t uhci_hubd_piix = { 2772 USB_HUB_DESCRIPTOR_SIZE, 2773 UDESC_HUB, 2774 2, 2775 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2776 50, /* power on to power good */ 2777 0, 2778 { 0x00 }, /* both ports are removable */ 2779 }; 2780 2781 int 2782 uhci_str(p, l, s) 2783 usb_string_descriptor_t *p; 2784 int l; 2785 char *s; 2786 { 2787 int i; 2788 2789 if (l == 0) 2790 return (0); 2791 p->bLength = 2 * strlen(s) + 2; 2792 if (l == 1) 2793 return (1); 2794 p->bDescriptorType = UDESC_STRING; 2795 l -= 2; 2796 for (i = 0; s[i] && l > 1; i++, l -= 2) 2797 USETW2(p->bString[i], 0, s[i]); 2798 return (2*i+2); 2799 } 2800 2801 /* 2802 * Simulate a hardware hub by handling all the necessary requests. 2803 */ 2804 usbd_status 2805 uhci_root_ctrl_transfer(xfer) 2806 usbd_xfer_handle xfer; 2807 { 2808 usbd_status err; 2809 2810 /* Insert last in queue. */ 2811 err = usb_insert_transfer(xfer); 2812 if (err) 2813 return (err); 2814 2815 /* 2816 * Pipe isn't running (otherwise err would be USBD_INPROG), 2817 * so start it first. 2818 */ 2819 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2820 } 2821 2822 usbd_status 2823 uhci_root_ctrl_start(xfer) 2824 usbd_xfer_handle xfer; 2825 { 2826 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2827 usb_device_request_t *req; 2828 void *buf = NULL; 2829 int port, x; 2830 int s, len, value, index, status, change, l, totlen = 0; 2831 usb_port_status_t ps; 2832 usbd_status err; 2833 2834 if (sc->sc_dying) 2835 return (USBD_IOERROR); 2836 2837 #ifdef DIAGNOSTIC 2838 if (!(xfer->rqflags & URQ_REQUEST)) 2839 panic("uhci_root_ctrl_transfer: not a request\n"); 2840 #endif 2841 req = &xfer->request; 2842 2843 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2844 req->bmRequestType, req->bRequest)); 2845 2846 len = UGETW(req->wLength); 2847 value = UGETW(req->wValue); 2848 index = UGETW(req->wIndex); 2849 2850 if (len != 0) 2851 buf = KERNADDR(&xfer->dmabuf); 2852 2853 #define C(x,y) ((x) | ((y) << 8)) 2854 switch(C(req->bRequest, req->bmRequestType)) { 2855 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2856 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2857 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2858 /* 2859 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2860 * for the integrated root hub. 2861 */ 2862 break; 2863 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2864 if (len > 0) { 2865 *(u_int8_t *)buf = sc->sc_conf; 2866 totlen = 1; 2867 } 2868 break; 2869 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2870 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2871 switch(value >> 8) { 2872 case UDESC_DEVICE: 2873 if ((value & 0xff) != 0) { 2874 err = USBD_IOERROR; 2875 goto ret; 2876 } 2877 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2878 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2879 memcpy(buf, &uhci_devd, l); 2880 break; 2881 case UDESC_CONFIG: 2882 if ((value & 0xff) != 0) { 2883 err = USBD_IOERROR; 2884 goto ret; 2885 } 2886 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2887 memcpy(buf, &uhci_confd, l); 2888 buf = (char *)buf + l; 2889 len -= l; 2890 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2891 totlen += l; 2892 memcpy(buf, &uhci_ifcd, l); 2893 buf = (char *)buf + l; 2894 len -= l; 2895 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2896 totlen += l; 2897 memcpy(buf, &uhci_endpd, l); 2898 break; 2899 case UDESC_STRING: 2900 if (len == 0) 2901 break; 2902 *(u_int8_t *)buf = 0; 2903 totlen = 1; 2904 switch (value & 0xff) { 2905 case 1: /* Vendor */ 2906 totlen = uhci_str(buf, len, sc->sc_vendor); 2907 break; 2908 case 2: /* Product */ 2909 totlen = uhci_str(buf, len, "UHCI root hub"); 2910 break; 2911 } 2912 break; 2913 default: 2914 err = USBD_IOERROR; 2915 goto ret; 2916 } 2917 break; 2918 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2919 if (len > 0) { 2920 *(u_int8_t *)buf = 0; 2921 totlen = 1; 2922 } 2923 break; 2924 case C(UR_GET_STATUS, UT_READ_DEVICE): 2925 if (len > 1) { 2926 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2927 totlen = 2; 2928 } 2929 break; 2930 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2931 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2932 if (len > 1) { 2933 USETW(((usb_status_t *)buf)->wStatus, 0); 2934 totlen = 2; 2935 } 2936 break; 2937 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2938 if (value >= USB_MAX_DEVICES) { 2939 err = USBD_IOERROR; 2940 goto ret; 2941 } 2942 sc->sc_addr = value; 2943 break; 2944 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2945 if (value != 0 && value != 1) { 2946 err = USBD_IOERROR; 2947 goto ret; 2948 } 2949 sc->sc_conf = value; 2950 break; 2951 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2952 break; 2953 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2954 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2955 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2956 err = USBD_IOERROR; 2957 goto ret; 2958 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2959 break; 2960 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2961 break; 2962 /* Hub requests */ 2963 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2964 break; 2965 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2966 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2967 "port=%d feature=%d\n", 2968 index, value)); 2969 if (index == 1) 2970 port = UHCI_PORTSC1; 2971 else if (index == 2) 2972 port = UHCI_PORTSC2; 2973 else { 2974 err = USBD_IOERROR; 2975 goto ret; 2976 } 2977 switch(value) { 2978 case UHF_PORT_ENABLE: 2979 x = UREAD2(sc, port); 2980 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2981 break; 2982 case UHF_PORT_SUSPEND: 2983 x = UREAD2(sc, port); 2984 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2985 break; 2986 case UHF_PORT_RESET: 2987 x = UREAD2(sc, port); 2988 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2989 break; 2990 case UHF_C_PORT_CONNECTION: 2991 x = UREAD2(sc, port); 2992 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2993 break; 2994 case UHF_C_PORT_ENABLE: 2995 x = UREAD2(sc, port); 2996 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2997 break; 2998 case UHF_C_PORT_OVER_CURRENT: 2999 x = UREAD2(sc, port); 3000 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 3001 break; 3002 case UHF_C_PORT_RESET: 3003 sc->sc_isreset = 0; 3004 err = USBD_NORMAL_COMPLETION; 3005 goto ret; 3006 case UHF_PORT_CONNECTION: 3007 case UHF_PORT_OVER_CURRENT: 3008 case UHF_PORT_POWER: 3009 case UHF_PORT_LOW_SPEED: 3010 case UHF_C_PORT_SUSPEND: 3011 default: 3012 err = USBD_IOERROR; 3013 goto ret; 3014 } 3015 break; 3016 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 3017 if (index == 1) 3018 port = UHCI_PORTSC1; 3019 else if (index == 2) 3020 port = UHCI_PORTSC2; 3021 else { 3022 err = USBD_IOERROR; 3023 goto ret; 3024 } 3025 if (len > 0) { 3026 *(u_int8_t *)buf = 3027 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3028 UHCI_PORTSC_LS_SHIFT; 3029 totlen = 1; 3030 } 3031 break; 3032 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3033 if (value != 0) { 3034 err = USBD_IOERROR; 3035 goto ret; 3036 } 3037 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3038 totlen = l; 3039 memcpy(buf, &uhci_hubd_piix, l); 3040 break; 3041 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3042 if (len != 4) { 3043 err = USBD_IOERROR; 3044 goto ret; 3045 } 3046 memset(buf, 0, len); 3047 totlen = len; 3048 break; 3049 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3050 if (index == 1) 3051 port = UHCI_PORTSC1; 3052 else if (index == 2) 3053 port = UHCI_PORTSC2; 3054 else { 3055 err = USBD_IOERROR; 3056 goto ret; 3057 } 3058 if (len != 4) { 3059 err = USBD_IOERROR; 3060 goto ret; 3061 } 3062 x = UREAD2(sc, port); 3063 status = change = 0; 3064 if (x & UHCI_PORTSC_CCS ) 3065 status |= UPS_CURRENT_CONNECT_STATUS; 3066 if (x & UHCI_PORTSC_CSC ) 3067 change |= UPS_C_CONNECT_STATUS; 3068 if (x & UHCI_PORTSC_PE ) 3069 status |= UPS_PORT_ENABLED; 3070 if (x & UHCI_PORTSC_POEDC) 3071 change |= UPS_C_PORT_ENABLED; 3072 if (x & UHCI_PORTSC_OCI ) 3073 status |= UPS_OVERCURRENT_INDICATOR; 3074 if (x & UHCI_PORTSC_OCIC ) 3075 change |= UPS_C_OVERCURRENT_INDICATOR; 3076 if (x & UHCI_PORTSC_SUSP ) 3077 status |= UPS_SUSPEND; 3078 if (x & UHCI_PORTSC_LSDA ) 3079 status |= UPS_LOW_SPEED; 3080 status |= UPS_PORT_POWER; 3081 if (sc->sc_isreset) 3082 change |= UPS_C_PORT_RESET; 3083 USETW(ps.wPortStatus, status); 3084 USETW(ps.wPortChange, change); 3085 l = min(len, sizeof ps); 3086 memcpy(buf, &ps, l); 3087 totlen = l; 3088 break; 3089 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3090 err = USBD_IOERROR; 3091 goto ret; 3092 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3093 break; 3094 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3095 if (index == 1) 3096 port = UHCI_PORTSC1; 3097 else if (index == 2) 3098 port = UHCI_PORTSC2; 3099 else { 3100 err = USBD_IOERROR; 3101 goto ret; 3102 } 3103 switch(value) { 3104 case UHF_PORT_ENABLE: 3105 x = UREAD2(sc, port); 3106 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3107 break; 3108 case UHF_PORT_SUSPEND: 3109 x = UREAD2(sc, port); 3110 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3111 break; 3112 case UHF_PORT_RESET: 3113 x = UREAD2(sc, port); 3114 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3115 usb_delay_ms(&sc->sc_bus, 10); 3116 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3117 delay(100); 3118 x = UREAD2(sc, port); 3119 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3120 delay(100); 3121 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3122 index, UREAD2(sc, port))); 3123 sc->sc_isreset = 1; 3124 break; 3125 case UHF_PORT_POWER: 3126 /* Pretend we turned on power */ 3127 err = USBD_NORMAL_COMPLETION; 3128 goto ret; 3129 case UHF_C_PORT_CONNECTION: 3130 case UHF_C_PORT_ENABLE: 3131 case UHF_C_PORT_OVER_CURRENT: 3132 case UHF_PORT_CONNECTION: 3133 case UHF_PORT_OVER_CURRENT: 3134 case UHF_PORT_LOW_SPEED: 3135 case UHF_C_PORT_SUSPEND: 3136 case UHF_C_PORT_RESET: 3137 default: 3138 err = USBD_IOERROR; 3139 goto ret; 3140 } 3141 break; 3142 default: 3143 err = USBD_IOERROR; 3144 goto ret; 3145 } 3146 xfer->actlen = totlen; 3147 err = USBD_NORMAL_COMPLETION; 3148 ret: 3149 xfer->status = err; 3150 s = splusb(); 3151 usb_transfer_complete(xfer); 3152 splx(s); 3153 return (USBD_IN_PROGRESS); 3154 } 3155 3156 /* Abort a root control request. */ 3157 void 3158 uhci_root_ctrl_abort(xfer) 3159 usbd_xfer_handle xfer; 3160 { 3161 /* Nothing to do, all transfers are synchronous. */ 3162 } 3163 3164 /* Close the root pipe. */ 3165 void 3166 uhci_root_ctrl_close(pipe) 3167 usbd_pipe_handle pipe; 3168 { 3169 DPRINTF(("uhci_root_ctrl_close\n")); 3170 } 3171 3172 /* Abort a root interrupt request. */ 3173 void 3174 uhci_root_intr_abort(xfer) 3175 usbd_xfer_handle xfer; 3176 { 3177 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3178 3179 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3180 sc->sc_intr_xfer = NULL; 3181 3182 if (xfer->pipe->intrxfer == xfer) { 3183 DPRINTF(("uhci_root_intr_abort: remove\n")); 3184 xfer->pipe->intrxfer = 0; 3185 } 3186 xfer->status = USBD_CANCELLED; 3187 #ifdef DIAGNOSTIC 3188 UXFER(xfer)->iinfo.isdone = 1; 3189 #endif 3190 usb_transfer_complete(xfer); 3191 } 3192 3193 usbd_status 3194 uhci_root_intr_transfer(xfer) 3195 usbd_xfer_handle xfer; 3196 { 3197 usbd_status err; 3198 3199 /* Insert last in queue. */ 3200 err = usb_insert_transfer(xfer); 3201 if (err) 3202 return (err); 3203 3204 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3205 * start first 3206 */ 3207 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3208 } 3209 3210 /* Start a transfer on the root interrupt pipe */ 3211 usbd_status 3212 uhci_root_intr_start(xfer) 3213 usbd_xfer_handle xfer; 3214 { 3215 usbd_pipe_handle pipe = xfer->pipe; 3216 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3217 3218 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3219 xfer, xfer->length, xfer->flags)); 3220 3221 if (sc->sc_dying) 3222 return (USBD_IOERROR); 3223 3224 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3225 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3226 sc->sc_intr_xfer = xfer; 3227 return (USBD_IN_PROGRESS); 3228 } 3229 3230 /* Close the root interrupt pipe. */ 3231 void 3232 uhci_root_intr_close(pipe) 3233 usbd_pipe_handle pipe; 3234 { 3235 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3236 3237 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3238 sc->sc_intr_xfer = NULL; 3239 DPRINTF(("uhci_root_intr_close\n")); 3240 } 3241
Indexes created Mon Sep 22 13:09:51 GMT 2025