uhci.c revision 1.112
1 /* $NetBSD: uhci.c,v 1.112 2000/04/25 14:28:14 augustss Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (augustss (at) carlstedt.se) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * USB Universal Host Controller driver. 43 * Handles e.g. PIIX3 and PIIX4. 44 * 45 * UHCI spec: http://www.intel.com/design/usb/uhci11d.pdf 46 * USB spec: http://www.usb.org/developers/data/usb11.pdf 47 * PIIXn spec: ftp://download.intel.com/design/intarch/datashts/29055002.pdf 48 * ftp://download.intel.com/design/intarch/datashts/29056201.pdf 49 */ 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/kernel.h> 54 #include <sys/malloc.h> 55 #if defined(__NetBSD__) || defined(__OpenBSD__) 56 #include <sys/device.h> 57 #include <sys/select.h> 58 #elif defined(__FreeBSD__) 59 #include <sys/module.h> 60 #include <sys/bus.h> 61 #include <machine/bus_pio.h> 62 #if defined(DIAGNOSTIC) && defined(__i386__) 63 #include <machine/cpu.h> 64 #endif 65 #endif 66 #include <sys/proc.h> 67 #include <sys/queue.h> 68 69 #include <machine/bus.h> 70 #include <machine/endian.h> 71 72 #include <dev/usb/usb.h> 73 #include <dev/usb/usbdi.h> 74 #include <dev/usb/usbdivar.h> 75 #include <dev/usb/usb_mem.h> 76 #include <dev/usb/usb_quirks.h> 77 78 #include <dev/usb/uhcireg.h> 79 #include <dev/usb/uhcivar.h> 80 81 #if defined(__FreeBSD__) 82 #include <machine/clock.h> 83 84 #define delay(d) DELAY(d) 85 #endif 86 87 #define MS_TO_TICKS(ms) ((ms) * hz / 1000) 88 89 #if defined(__OpenBSD__) 90 struct cfdriver uhci_cd = { 91 NULL, "uhci", DV_DULL 92 }; 93 #endif 94 95 #ifdef UHCI_DEBUG 96 uhci_softc_t *thesc; 97 #define DPRINTF(x) if (uhcidebug) printf x 98 #define DPRINTFN(n,x) if (uhcidebug>(n)) printf x 99 int uhcidebug = 0; 100 #else 101 #define DPRINTF(x) 102 #define DPRINTFN(n,x) 103 #endif 104 105 /* 106 * The UHCI controller is little endian, so on big endian machines 107 * the data strored in memory needs to be swapped. 108 */ 109 #if defined(__FreeBSD__) || defined(__OpenBSD__) 110 #if BYTE_ORDER == BIG_ENDIAN 111 #define htole32(x) (bswap32(x)) 112 #define le32toh(x) (bswap32(x)) 113 #else 114 #define htole32(x) (x) 115 #define le32toh(x) (x) 116 #endif 117 #endif 118 119 struct uhci_pipe { 120 struct usbd_pipe pipe; 121 int nexttoggle; 122 123 u_char aborting; 124 usbd_xfer_handle abortstart, abortend; 125 126 /* Info needed for different pipe kinds. */ 127 union { 128 /* Control pipe */ 129 struct { 130 uhci_soft_qh_t *sqh; 131 usb_dma_t reqdma; 132 uhci_soft_td_t *setup, *stat; 133 u_int length; 134 } ctl; 135 /* Interrupt pipe */ 136 struct { 137 int npoll; 138 uhci_soft_qh_t **qhs; 139 } intr; 140 /* Bulk pipe */ 141 struct { 142 uhci_soft_qh_t *sqh; 143 u_int length; 144 int isread; 145 } bulk; 146 /* Iso pipe */ 147 struct iso { 148 uhci_soft_td_t **stds; 149 int next, inuse; 150 } iso; 151 } u; 152 }; 153 154 Static void uhci_busreset __P((uhci_softc_t *)); 155 Static void uhci_shutdown __P((void *v)); 156 Static void uhci_power __P((int, void *)); 157 Static usbd_status uhci_run __P((uhci_softc_t *, int run)); 158 Static uhci_soft_td_t *uhci_alloc_std __P((uhci_softc_t *)); 159 Static void uhci_free_std __P((uhci_softc_t *, uhci_soft_td_t *)); 160 Static uhci_soft_qh_t *uhci_alloc_sqh __P((uhci_softc_t *)); 161 Static void uhci_free_sqh __P((uhci_softc_t *, uhci_soft_qh_t *)); 162 #if 0 163 Static void uhci_enter_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *, 164 uhci_intr_info_t *)); 165 Static void uhci_exit_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *)); 166 #endif 167 168 Static void uhci_free_std_chain __P((uhci_softc_t *, 169 uhci_soft_td_t *, uhci_soft_td_t *)); 170 Static usbd_status uhci_alloc_std_chain __P((struct uhci_pipe *, 171 uhci_softc_t *, int, int, u_int16_t, usb_dma_t *, 172 uhci_soft_td_t **, uhci_soft_td_t **)); 173 Static void uhci_poll_hub __P((void *)); 174 Static void uhci_waitintr __P((uhci_softc_t *, 175 usbd_xfer_handle)); 176 Static void uhci_check_intr __P((uhci_softc_t *, 177 uhci_intr_info_t *)); 178 Static void uhci_idone __P((uhci_intr_info_t *)); 179 180 Static void uhci_abort_xfer __P((usbd_xfer_handle, 181 usbd_status status)); 182 183 Static void uhci_timeout __P((void *)); 184 Static void uhci_add_ctrl __P((uhci_softc_t *, uhci_soft_qh_t *)); 185 Static void uhci_add_bulk __P((uhci_softc_t *, uhci_soft_qh_t *)); 186 Static void uhci_remove_ctrl __P((uhci_softc_t *,uhci_soft_qh_t *)); 187 Static void uhci_remove_bulk __P((uhci_softc_t *,uhci_soft_qh_t *)); 188 Static int uhci_str __P((usb_string_descriptor_t *, int, char *)); 189 190 Static usbd_status uhci_setup_isoc __P((usbd_pipe_handle pipe)); 191 Static void uhci_device_isoc_enter __P((usbd_xfer_handle)); 192 193 Static usbd_status uhci_allocm __P((struct usbd_bus *, usb_dma_t *, 194 u_int32_t)); 195 Static void uhci_freem __P((struct usbd_bus *, usb_dma_t *)); 196 197 Static usbd_xfer_handle uhci_allocx __P((struct usbd_bus *)); 198 Static void uhci_freex __P((struct usbd_bus *, usbd_xfer_handle)); 199 200 Static usbd_status uhci_device_ctrl_transfer __P((usbd_xfer_handle)); 201 Static usbd_status uhci_device_ctrl_start __P((usbd_xfer_handle)); 202 Static void uhci_device_ctrl_abort __P((usbd_xfer_handle)); 203 Static void uhci_device_ctrl_close __P((usbd_pipe_handle)); 204 Static void uhci_device_ctrl_done __P((usbd_xfer_handle)); 205 206 Static usbd_status uhci_device_intr_transfer __P((usbd_xfer_handle)); 207 Static usbd_status uhci_device_intr_start __P((usbd_xfer_handle)); 208 Static void uhci_device_intr_abort __P((usbd_xfer_handle)); 209 Static void uhci_device_intr_close __P((usbd_pipe_handle)); 210 Static void uhci_device_intr_done __P((usbd_xfer_handle)); 211 212 Static usbd_status uhci_device_bulk_transfer __P((usbd_xfer_handle)); 213 Static usbd_status uhci_device_bulk_start __P((usbd_xfer_handle)); 214 Static void uhci_device_bulk_abort __P((usbd_xfer_handle)); 215 Static void uhci_device_bulk_close __P((usbd_pipe_handle)); 216 Static void uhci_device_bulk_done __P((usbd_xfer_handle)); 217 218 Static usbd_status uhci_device_isoc_transfer __P((usbd_xfer_handle)); 219 Static usbd_status uhci_device_isoc_start __P((usbd_xfer_handle)); 220 Static void uhci_device_isoc_abort __P((usbd_xfer_handle)); 221 Static void uhci_device_isoc_close __P((usbd_pipe_handle)); 222 Static void uhci_device_isoc_done __P((usbd_xfer_handle)); 223 224 Static usbd_status uhci_root_ctrl_transfer __P((usbd_xfer_handle)); 225 Static usbd_status uhci_root_ctrl_start __P((usbd_xfer_handle)); 226 Static void uhci_root_ctrl_abort __P((usbd_xfer_handle)); 227 Static void uhci_root_ctrl_close __P((usbd_pipe_handle)); 228 Static void uhci_root_ctrl_done __P((usbd_xfer_handle)); 229 230 Static usbd_status uhci_root_intr_transfer __P((usbd_xfer_handle)); 231 Static usbd_status uhci_root_intr_start __P((usbd_xfer_handle)); 232 Static void uhci_root_intr_abort __P((usbd_xfer_handle)); 233 Static void uhci_root_intr_close __P((usbd_pipe_handle)); 234 Static void uhci_root_intr_done __P((usbd_xfer_handle)); 235 236 Static usbd_status uhci_open __P((usbd_pipe_handle)); 237 Static void uhci_poll __P((struct usbd_bus *)); 238 Static void uhci_softintr __P((struct usbd_bus *)); 239 240 Static usbd_status uhci_device_request __P((usbd_xfer_handle xfer)); 241 242 Static void uhci_add_intr __P((uhci_softc_t *, uhci_soft_qh_t *)); 243 Static void uhci_remove_intr __P((uhci_softc_t*, uhci_soft_qh_t*)); 244 Static usbd_status uhci_device_setintr __P((uhci_softc_t *sc, 245 struct uhci_pipe *pipe, int ival)); 246 247 Static void uhci_device_clear_toggle __P((usbd_pipe_handle pipe)); 248 Static void uhci_noop __P((usbd_pipe_handle pipe)); 249 250 Static __inline__ uhci_soft_qh_t *uhci_find_prev_qh 251 __P((uhci_soft_qh_t *, uhci_soft_qh_t *)); 252 253 #ifdef UHCI_DEBUG 254 Static void uhci_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 Static 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 status = UREAD2(sc, UHCI_STS); 1046 if (status == 0) /* The interrupt was not for us. */ 1047 return (0); 1048 1049 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1050 if (sc->sc_suspend != PWR_RESUME) 1051 printf("uhci_intr: suspended sts=0x%x\n", status); 1052 #endif 1053 1054 ack = 0; 1055 if (status & UHCI_STS_USBINT) 1056 ack |= UHCI_STS_USBINT; 1057 if (status & UHCI_STS_USBEI) 1058 ack |= UHCI_STS_USBEI; 1059 if (status & UHCI_STS_RD) { 1060 ack |= UHCI_STS_RD; 1061 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1062 } 1063 if (status & UHCI_STS_HSE) { 1064 ack |= UHCI_STS_HSE; 1065 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1066 } 1067 if (status & UHCI_STS_HCPE) { 1068 ack |= UHCI_STS_HCPE; 1069 printf("%s: host controller process error\n", 1070 USBDEVNAME(sc->sc_bus.bdev)); 1071 } 1072 if (status & UHCI_STS_HCH) { 1073 /* no acknowledge needed */ 1074 printf("%s: host controller halted\n", 1075 USBDEVNAME(sc->sc_bus.bdev)); 1076 sc->sc_dying = 1; 1077 #ifdef UHCI_DEBUG 1078 uhci_dump_all(sc); 1079 #endif 1080 1081 } 1082 1083 if (ack) /* acknowledge the ints */ 1084 UWRITE2(sc, UHCI_STS, ack); 1085 else /* nothing to acknowledge */ 1086 return (0); 1087 1088 sc->sc_bus.no_intrs++; 1089 usb_schedsoftintr(&sc->sc_bus); 1090 1091 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1092 1093 return (1); 1094 } 1095 1096 void 1097 uhci_softintr(bus) 1098 struct usbd_bus *bus; 1099 { 1100 uhci_softc_t *sc = (uhci_softc_t *)bus; 1101 uhci_intr_info_t *ii; 1102 1103 DPRINTFN(10,("%s: uhci_softintr\n", USBDEVNAME(sc->sc_bus.bdev))); 1104 1105 sc->sc_bus.intr_context++; 1106 1107 /* 1108 * Interrupts on UHCI really suck. When the host controller 1109 * interrupts because a transfer is completed there is no 1110 * way of knowing which transfer it was. You can scan down 1111 * the TDs and QHs of the previous frame to limit the search, 1112 * but that assumes that the interrupt was not delayed by more 1113 * than 1 ms, which may not always be true (e.g. after debug 1114 * output on a slow console). 1115 * We scan all interrupt descriptors to see if any have 1116 * completed. 1117 */ 1118 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1119 uhci_check_intr(sc, ii); 1120 1121 sc->sc_bus.intr_context--; 1122 } 1123 1124 /* Check for an interrupt. */ 1125 void 1126 uhci_check_intr(sc, ii) 1127 uhci_softc_t *sc; 1128 uhci_intr_info_t *ii; 1129 { 1130 uhci_soft_td_t *std, *lstd; 1131 u_int32_t status; 1132 1133 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1134 #ifdef DIAGNOSTIC 1135 if (ii == NULL) { 1136 printf("uhci_check_intr: no ii? %p\n", ii); 1137 return; 1138 } 1139 #endif 1140 if (ii->stdstart == NULL) 1141 return; 1142 lstd = ii->stdend; 1143 #ifdef DIAGNOSTIC 1144 if (lstd == NULL) { 1145 printf("uhci_check_intr: std==0\n"); 1146 return; 1147 } 1148 #endif 1149 /* 1150 * If the last TD is still active we need to check whether there 1151 * is a an error somewhere in the middle, or whether there was a 1152 * short packet (SPD and not ACTIVE). 1153 */ 1154 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1155 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1156 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1157 status = le32toh(std->td.td_status); 1158 /* If there's an active TD the xfer isn't done. */ 1159 if (status & UHCI_TD_ACTIVE) 1160 break; 1161 /* Any kind of error makes the xfer done. */ 1162 if (status & UHCI_TD_STALLED) 1163 goto done; 1164 /* We want short packets, and it is short: it's done */ 1165 if ((status & UHCI_TD_SPD) && 1166 UHCI_TD_GET_ACTLEN(status) < 1167 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1168 goto done; 1169 } 1170 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1171 ii, ii->stdstart)); 1172 return; 1173 } 1174 done: 1175 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1176 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1177 uhci_idone(ii); 1178 } 1179 1180 /* Called at splusb() */ 1181 void 1182 uhci_idone(ii) 1183 uhci_intr_info_t *ii; 1184 { 1185 usbd_xfer_handle xfer = ii->xfer; 1186 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1187 uhci_soft_td_t *std; 1188 u_int32_t status = 0, nstatus; 1189 int actlen; 1190 1191 #ifdef DIAGNOSTIC 1192 { 1193 int s = splhigh(); 1194 if (ii->isdone) { 1195 splx(s); 1196 #ifdef UHCI_DEBUG 1197 printf("uhci_idone: ii is done!\n "); 1198 uhci_dump_ii(ii); 1199 #else 1200 printf("uhci_idone: ii=%p is done!\n", ii); 1201 #endif 1202 return; 1203 } 1204 ii->isdone = 1; 1205 splx(s); 1206 } 1207 #endif 1208 1209 if (xfer->status == USBD_CANCELLED || 1210 xfer->status == USBD_TIMEOUT) { 1211 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1212 return; 1213 } 1214 1215 if (xfer->nframes != 0) { 1216 /* Isoc transfer, do things differently. */ 1217 uhci_soft_td_t **stds = upipe->u.iso.stds; 1218 int i, n, nframes; 1219 1220 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1221 1222 nframes = xfer->nframes; 1223 actlen = 0; 1224 n = UXFER(xfer)->curframe; 1225 for (i = 0; i < nframes; i++) { 1226 std = stds[n]; 1227 #ifdef UHCI_DEBUG 1228 if (uhcidebug > 5) { 1229 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1230 uhci_dump_td(std); 1231 } 1232 #endif 1233 if (++n >= UHCI_VFRAMELIST_COUNT) 1234 n = 0; 1235 status = le32toh(std->td.td_status); 1236 actlen += UHCI_TD_GET_ACTLEN(status); 1237 } 1238 upipe->u.iso.inuse -= nframes; 1239 xfer->actlen = actlen; 1240 xfer->status = USBD_NORMAL_COMPLETION; 1241 usb_transfer_complete(xfer); 1242 return; 1243 } 1244 1245 #ifdef UHCI_DEBUG 1246 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1247 ii, xfer, upipe)); 1248 if (uhcidebug > 10) 1249 uhci_dump_tds(ii->stdstart); 1250 #endif 1251 1252 /* The transfer is done, compute actual length and status. */ 1253 actlen = 0; 1254 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1255 nstatus = le32toh(std->td.td_status); 1256 if (nstatus & UHCI_TD_ACTIVE) 1257 break; 1258 1259 status = nstatus; 1260 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1261 UHCI_TD_PID_SETUP) 1262 actlen += UHCI_TD_GET_ACTLEN(status); 1263 } 1264 /* If there are left over TDs we need to update the toggle. */ 1265 if (std != NULL) 1266 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1267 1268 status &= UHCI_TD_ERROR; 1269 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 1270 actlen, status)); 1271 xfer->actlen = actlen; 1272 if (status != 0) { 1273 DPRINTFN((status == UHCI_TD_STALLED)*10, 1274 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1275 "status 0x%b\n", 1276 xfer->pipe->device->address, 1277 xfer->pipe->endpoint->edesc->bEndpointAddress, 1278 (int)status, 1279 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 1280 "STALLED\30ACTIVE")); 1281 if (status == UHCI_TD_STALLED) 1282 xfer->status = USBD_STALLED; 1283 else 1284 xfer->status = USBD_IOERROR; /* more info XXX */ 1285 } else { 1286 xfer->status = USBD_NORMAL_COMPLETION; 1287 } 1288 usb_transfer_complete(xfer); 1289 } 1290 1291 /* 1292 * Called when a request does not complete. 1293 */ 1294 void 1295 uhci_timeout(addr) 1296 void *addr; 1297 { 1298 uhci_intr_info_t *ii = addr; 1299 1300 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1301 1302 #ifdef UHCI_DEBUG 1303 if (uhcidebug > 10) 1304 uhci_dump_tds(ii->stdstart); 1305 #endif 1306 1307 ii->xfer->device->bus->intr_context++; 1308 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1309 ii->xfer->device->bus->intr_context--; 1310 } 1311 1312 /* 1313 * Wait here until controller claims to have an interrupt. 1314 * Then call uhci_intr and return. Use timeout to avoid waiting 1315 * too long. 1316 * Only used during boot when interrupts are not enabled yet. 1317 */ 1318 void 1319 uhci_waitintr(sc, xfer) 1320 uhci_softc_t *sc; 1321 usbd_xfer_handle xfer; 1322 { 1323 int timo = xfer->timeout; 1324 uhci_intr_info_t *ii; 1325 1326 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1327 1328 xfer->status = USBD_IN_PROGRESS; 1329 for (; timo >= 0; timo--) { 1330 usb_delay_ms(&sc->sc_bus, 1); 1331 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1332 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1333 uhci_intr(sc); 1334 if (xfer->status != USBD_IN_PROGRESS) 1335 return; 1336 } 1337 } 1338 1339 /* Timeout */ 1340 DPRINTF(("uhci_waitintr: timeout\n")); 1341 for (ii = LIST_FIRST(&sc->sc_intrhead); 1342 ii != NULL && ii->xfer != xfer; 1343 ii = LIST_NEXT(ii, list)) 1344 ; 1345 #ifdef DIAGNOSTIC 1346 if (ii == NULL) 1347 panic("uhci_waitintr: lost intr_info\n"); 1348 #endif 1349 uhci_idone(ii); 1350 } 1351 1352 void 1353 uhci_poll(bus) 1354 struct usbd_bus *bus; 1355 { 1356 uhci_softc_t *sc = (uhci_softc_t *)bus; 1357 1358 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1359 uhci_intr(sc); 1360 } 1361 1362 #if 0 1363 void 1364 uhci_reset(sc) 1365 uhci_softc_t *sc; 1366 { 1367 int n; 1368 1369 UHCICMD(sc, UHCI_CMD_HCRESET); 1370 /* The reset bit goes low when the controller is done. */ 1371 for (n = 0; n < UHCI_RESET_TIMEOUT && 1372 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1373 usb_delay_ms(&sc->sc_bus, 1); 1374 if (n >= UHCI_RESET_TIMEOUT) 1375 printf("%s: controller did not reset\n", 1376 USBDEVNAME(sc->sc_bus.bdev)); 1377 } 1378 #endif 1379 1380 usbd_status 1381 uhci_run(sc, run) 1382 uhci_softc_t *sc; 1383 int run; 1384 { 1385 int s, n, running; 1386 u_int16_t cmd; 1387 1388 run = run != 0; 1389 s = splusb(); 1390 DPRINTF(("uhci_run: setting run=%d\n", run)); 1391 cmd = UREAD2(sc, UHCI_CMD); 1392 if (run) 1393 cmd |= UHCI_CMD_RS; 1394 else 1395 cmd &= ~UHCI_CMD_RS; 1396 UHCICMD(sc, cmd); 1397 for(n = 0; n < 10; n++) { 1398 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1399 /* return when we've entered the state we want */ 1400 if (run == running) { 1401 splx(s); 1402 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1403 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1404 return (USBD_NORMAL_COMPLETION); 1405 } 1406 usb_delay_ms(&sc->sc_bus, 1); 1407 } 1408 splx(s); 1409 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1410 run ? "start" : "stop"); 1411 return (USBD_IOERROR); 1412 } 1413 1414 /* 1415 * Memory management routines. 1416 * uhci_alloc_std allocates TDs 1417 * uhci_alloc_sqh allocates QHs 1418 * These two routines do their own free list management, 1419 * partly for speed, partly because allocating DMAable memory 1420 * has page size granularaity so much memory would be wasted if 1421 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1422 */ 1423 1424 uhci_soft_td_t * 1425 uhci_alloc_std(sc) 1426 uhci_softc_t *sc; 1427 { 1428 uhci_soft_td_t *std; 1429 usbd_status err; 1430 int i, offs; 1431 usb_dma_t dma; 1432 1433 if (sc->sc_freetds == NULL) { 1434 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1435 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1436 UHCI_TD_ALIGN, &dma); 1437 if (err) 1438 return (0); 1439 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1440 offs = i * UHCI_STD_SIZE; 1441 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1442 std->physaddr = DMAADDR(&dma) + offs; 1443 std->link.std = sc->sc_freetds; 1444 sc->sc_freetds = std; 1445 } 1446 } 1447 std = sc->sc_freetds; 1448 sc->sc_freetds = std->link.std; 1449 memset(&std->td, 0, sizeof(uhci_td_t)); 1450 return std; 1451 } 1452 1453 void 1454 uhci_free_std(sc, std) 1455 uhci_softc_t *sc; 1456 uhci_soft_td_t *std; 1457 { 1458 #ifdef DIAGNOSTIC 1459 #define TD_IS_FREE 0x12345678 1460 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1461 printf("uhci_free_std: freeing free TD %p\n", std); 1462 return; 1463 } 1464 std->td.td_token = htole32(TD_IS_FREE); 1465 #endif 1466 std->link.std = sc->sc_freetds; 1467 sc->sc_freetds = std; 1468 } 1469 1470 uhci_soft_qh_t * 1471 uhci_alloc_sqh(sc) 1472 uhci_softc_t *sc; 1473 { 1474 uhci_soft_qh_t *sqh; 1475 usbd_status err; 1476 int i, offs; 1477 usb_dma_t dma; 1478 1479 if (sc->sc_freeqhs == NULL) { 1480 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1481 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1482 UHCI_QH_ALIGN, &dma); 1483 if (err) 1484 return (0); 1485 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1486 offs = i * UHCI_SQH_SIZE; 1487 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1488 sqh->physaddr = DMAADDR(&dma) + offs; 1489 sqh->hlink = sc->sc_freeqhs; 1490 sc->sc_freeqhs = sqh; 1491 } 1492 } 1493 sqh = sc->sc_freeqhs; 1494 sc->sc_freeqhs = sqh->hlink; 1495 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1496 return (sqh); 1497 } 1498 1499 void 1500 uhci_free_sqh(sc, sqh) 1501 uhci_softc_t *sc; 1502 uhci_soft_qh_t *sqh; 1503 { 1504 sqh->hlink = sc->sc_freeqhs; 1505 sc->sc_freeqhs = sqh; 1506 } 1507 1508 void 1509 uhci_free_std_chain(sc, std, stdend) 1510 uhci_softc_t *sc; 1511 uhci_soft_td_t *std; 1512 uhci_soft_td_t *stdend; 1513 { 1514 uhci_soft_td_t *p; 1515 1516 for (; std != stdend; std = p) { 1517 p = std->link.std; 1518 uhci_free_std(sc, std); 1519 } 1520 } 1521 1522 usbd_status 1523 uhci_alloc_std_chain(upipe, sc, len, rd, flags, dma, sp, ep) 1524 struct uhci_pipe *upipe; 1525 uhci_softc_t *sc; 1526 int len, rd; 1527 u_int16_t flags; 1528 usb_dma_t *dma; 1529 uhci_soft_td_t **sp, **ep; 1530 { 1531 uhci_soft_td_t *p, *lastp; 1532 uhci_physaddr_t lastlink; 1533 int i, ntd, l, tog, maxp; 1534 u_int32_t status; 1535 int addr = upipe->pipe.device->address; 1536 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1537 1538 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1539 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1540 upipe->pipe.device->lowspeed, flags)); 1541 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1542 if (maxp == 0) { 1543 printf("uhci_alloc_std_chain: maxp=0\n"); 1544 return (USBD_INVAL); 1545 } 1546 ntd = (len + maxp - 1) / maxp; 1547 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1548 ntd++; 1549 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1550 if (ntd == 0) { 1551 *sp = *ep = 0; 1552 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1553 return (USBD_NORMAL_COMPLETION); 1554 } 1555 tog = upipe->nexttoggle; 1556 if (ntd % 2 == 0) 1557 tog ^= 1; 1558 upipe->nexttoggle = tog ^ 1; 1559 lastp = 0; 1560 lastlink = UHCI_PTR_T; 1561 ntd--; 1562 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1563 if (upipe->pipe.device->lowspeed) 1564 status |= UHCI_TD_LS; 1565 if (flags & USBD_SHORT_XFER_OK) 1566 status |= UHCI_TD_SPD; 1567 for (i = ntd; i >= 0; i--) { 1568 p = uhci_alloc_std(sc); 1569 if (p == NULL) { 1570 uhci_free_std_chain(sc, lastp, 0); 1571 return (USBD_NOMEM); 1572 } 1573 p->link.std = lastp; 1574 if (lastlink == UHCI_PTR_T) 1575 p->td.td_link = htole32(lastlink); 1576 else 1577 p->td.td_link = htole32(lastlink|UHCI_PTR_VF); 1578 lastp = p; 1579 lastlink = p->physaddr; 1580 p->td.td_status = htole32(status); 1581 if (i == ntd) { 1582 /* last TD */ 1583 l = len % maxp; 1584 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1585 l = maxp; 1586 *ep = p; 1587 } else 1588 l = maxp; 1589 p->td.td_token = 1590 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1591 UHCI_TD_OUT(l, endpt, addr, tog)); 1592 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1593 tog ^= 1; 1594 } 1595 *sp = lastp; 1596 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1597 upipe->nexttoggle)); 1598 return (USBD_NORMAL_COMPLETION); 1599 } 1600 1601 void 1602 uhci_device_clear_toggle(pipe) 1603 usbd_pipe_handle pipe; 1604 { 1605 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1606 upipe->nexttoggle = 0; 1607 } 1608 1609 void 1610 uhci_noop(pipe) 1611 usbd_pipe_handle pipe; 1612 { 1613 } 1614 1615 usbd_status 1616 uhci_device_bulk_transfer(xfer) 1617 usbd_xfer_handle xfer; 1618 { 1619 usbd_status err; 1620 1621 /* Insert last in queue. */ 1622 err = usb_insert_transfer(xfer); 1623 if (err) 1624 return (err); 1625 1626 /* 1627 * Pipe isn't running (otherwise err would be USBD_INPROG), 1628 * so start it first. 1629 */ 1630 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1631 } 1632 1633 usbd_status 1634 uhci_device_bulk_start(xfer) 1635 usbd_xfer_handle xfer; 1636 { 1637 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1638 usbd_device_handle dev = upipe->pipe.device; 1639 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1640 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1641 uhci_soft_td_t *data, *dataend; 1642 uhci_soft_qh_t *sqh; 1643 usbd_status err; 1644 int len, isread, endpt; 1645 int s; 1646 1647 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1648 xfer, xfer->length, xfer->flags)); 1649 1650 if (sc->sc_dying) 1651 return (USBD_IOERROR); 1652 1653 #ifdef DIAGNOSTIC 1654 if (xfer->rqflags & URQ_REQUEST) 1655 panic("uhci_device_bulk_transfer: a request\n"); 1656 #endif 1657 1658 len = xfer->length; 1659 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1660 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1661 sqh = upipe->u.bulk.sqh; 1662 1663 upipe->u.bulk.isread = isread; 1664 upipe->u.bulk.length = len; 1665 1666 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1667 &xfer->dmabuf, &data, &dataend); 1668 if (err) 1669 return (err); 1670 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1671 1672 #ifdef UHCI_DEBUG 1673 if (uhcidebug > 8) { 1674 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1675 uhci_dump_tds(data); 1676 } 1677 #endif 1678 1679 /* Set up interrupt info. */ 1680 ii->xfer = xfer; 1681 ii->stdstart = data; 1682 ii->stdend = dataend; 1683 #ifdef DIAGNOSTIC 1684 if (!ii->isdone) { 1685 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1686 } 1687 ii->isdone = 0; 1688 #endif 1689 1690 sqh->elink = data; 1691 sqh->qh.qh_elink = htole32(data->physaddr); 1692 1693 s = splusb(); 1694 uhci_add_bulk(sc, sqh); 1695 uhci_add_intr_info(sc, ii); 1696 1697 if (xfer->timeout && !sc->sc_bus.use_polling) { 1698 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1699 uhci_timeout, ii); 1700 } 1701 xfer->status = USBD_IN_PROGRESS; 1702 splx(s); 1703 1704 #ifdef UHCI_DEBUG 1705 if (uhcidebug > 10) { 1706 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1707 uhci_dump_tds(data); 1708 } 1709 #endif 1710 1711 if (sc->sc_bus.use_polling) 1712 uhci_waitintr(sc, xfer); 1713 1714 return (USBD_IN_PROGRESS); 1715 } 1716 1717 /* Abort a device bulk request. */ 1718 void 1719 uhci_device_bulk_abort(xfer) 1720 usbd_xfer_handle xfer; 1721 { 1722 DPRINTF(("uhci_device_bulk_abort:\n")); 1723 uhci_abort_xfer(xfer, USBD_CANCELLED); 1724 } 1725 1726 /* 1727 * XXX This way of aborting is neither safe, nor good. 1728 * But it will have to do until I figure out what to do. 1729 * I apologize for the delay(). 1730 */ 1731 void 1732 uhci_abort_xfer(xfer, status) 1733 usbd_xfer_handle xfer; 1734 usbd_status status; 1735 { 1736 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1737 uhci_soft_td_t *std; 1738 int s; 1739 1740 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1741 1742 s = splusb(); 1743 1744 /* Transfer is already done. */ 1745 if (xfer->status != USBD_NOT_STARTED && 1746 xfer->status != USBD_IN_PROGRESS) { 1747 splx(s); 1748 return; 1749 } 1750 1751 /* Make interrupt routine ignore it, */ 1752 xfer->status = status; 1753 1754 /* don't timeout, */ 1755 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1756 1757 /* make hardware ignore it, */ 1758 for (std = ii->stdstart; std != NULL; std = std->link.std) 1759 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1760 1761 xfer->hcpriv = ii; 1762 1763 splx(s); 1764 1765 delay(1000); 1766 1767 s = splusb(); 1768 #ifdef DIAGNOSTIC 1769 ii->isdone = 1; 1770 #endif 1771 usb_transfer_complete(xfer); 1772 splx(s); 1773 } 1774 1775 /* Close a device bulk pipe. */ 1776 void 1777 uhci_device_bulk_close(pipe) 1778 usbd_pipe_handle pipe; 1779 { 1780 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1781 usbd_device_handle dev = upipe->pipe.device; 1782 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1783 1784 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1785 } 1786 1787 usbd_status 1788 uhci_device_ctrl_transfer(xfer) 1789 usbd_xfer_handle xfer; 1790 { 1791 usbd_status err; 1792 1793 /* Insert last in queue. */ 1794 err = usb_insert_transfer(xfer); 1795 if (err) 1796 return (err); 1797 1798 /* 1799 * Pipe isn't running (otherwise err would be USBD_INPROG), 1800 * so start it first. 1801 */ 1802 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1803 } 1804 1805 usbd_status 1806 uhci_device_ctrl_start(xfer) 1807 usbd_xfer_handle xfer; 1808 { 1809 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1810 usbd_status err; 1811 1812 if (sc->sc_dying) 1813 return (USBD_IOERROR); 1814 1815 #ifdef DIAGNOSTIC 1816 if (!(xfer->rqflags & URQ_REQUEST)) 1817 panic("uhci_device_ctrl_transfer: not a request\n"); 1818 #endif 1819 1820 err = uhci_device_request(xfer); 1821 if (err) 1822 return (err); 1823 1824 if (sc->sc_bus.use_polling) 1825 uhci_waitintr(sc, xfer); 1826 return (USBD_IN_PROGRESS); 1827 } 1828 1829 usbd_status 1830 uhci_device_intr_transfer(xfer) 1831 usbd_xfer_handle xfer; 1832 { 1833 usbd_status err; 1834 1835 /* Insert last in queue. */ 1836 err = usb_insert_transfer(xfer); 1837 if (err) 1838 return (err); 1839 1840 /* 1841 * Pipe isn't running (otherwise err would be USBD_INPROG), 1842 * so start it first. 1843 */ 1844 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1845 } 1846 1847 usbd_status 1848 uhci_device_intr_start(xfer) 1849 usbd_xfer_handle xfer; 1850 { 1851 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1852 usbd_device_handle dev = upipe->pipe.device; 1853 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1854 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1855 uhci_soft_td_t *data, *dataend; 1856 uhci_soft_qh_t *sqh; 1857 usbd_status err; 1858 int i, s; 1859 1860 if (sc->sc_dying) 1861 return (USBD_IOERROR); 1862 1863 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1864 xfer, xfer->length, xfer->flags)); 1865 1866 #ifdef DIAGNOSTIC 1867 if (xfer->rqflags & URQ_REQUEST) 1868 panic("uhci_device_intr_transfer: a request\n"); 1869 #endif 1870 1871 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 1872 &xfer->dmabuf, &data, &dataend); 1873 if (err) 1874 return (err); 1875 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1876 1877 #ifdef UHCI_DEBUG 1878 if (uhcidebug > 10) { 1879 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 1880 uhci_dump_tds(data); 1881 uhci_dump_qh(upipe->u.intr.qhs[0]); 1882 } 1883 #endif 1884 1885 s = splusb(); 1886 /* Set up interrupt info. */ 1887 ii->xfer = xfer; 1888 ii->stdstart = data; 1889 ii->stdend = dataend; 1890 #ifdef DIAGNOSTIC 1891 if (!ii->isdone) { 1892 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 1893 } 1894 ii->isdone = 0; 1895 #endif 1896 1897 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1898 upipe->u.intr.qhs[0])); 1899 for (i = 0; i < upipe->u.intr.npoll; i++) { 1900 sqh = upipe->u.intr.qhs[i]; 1901 sqh->elink = data; 1902 sqh->qh.qh_elink = htole32(data->physaddr); 1903 } 1904 uhci_add_intr_info(sc, ii); 1905 xfer->status = USBD_IN_PROGRESS; 1906 splx(s); 1907 1908 #ifdef UHCI_DEBUG 1909 if (uhcidebug > 10) { 1910 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 1911 uhci_dump_tds(data); 1912 uhci_dump_qh(upipe->u.intr.qhs[0]); 1913 } 1914 #endif 1915 1916 return (USBD_IN_PROGRESS); 1917 } 1918 1919 /* Abort a device control request. */ 1920 void 1921 uhci_device_ctrl_abort(xfer) 1922 usbd_xfer_handle xfer; 1923 { 1924 DPRINTF(("uhci_device_ctrl_abort:\n")); 1925 uhci_abort_xfer(xfer, USBD_CANCELLED); 1926 } 1927 1928 /* Close a device control pipe. */ 1929 void 1930 uhci_device_ctrl_close(pipe) 1931 usbd_pipe_handle pipe; 1932 { 1933 } 1934 1935 /* Abort a device interrupt request. */ 1936 void 1937 uhci_device_intr_abort(xfer) 1938 usbd_xfer_handle xfer; 1939 { 1940 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 1941 if (xfer->pipe->intrxfer == xfer) { 1942 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1943 xfer->pipe->intrxfer = 0; 1944 } 1945 uhci_abort_xfer(xfer, USBD_CANCELLED); 1946 } 1947 1948 /* Close a device interrupt pipe. */ 1949 void 1950 uhci_device_intr_close(pipe) 1951 usbd_pipe_handle pipe; 1952 { 1953 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1954 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1955 int i, npoll; 1956 int s; 1957 1958 /* Unlink descriptors from controller data structures. */ 1959 npoll = upipe->u.intr.npoll; 1960 s = splusb(); 1961 for (i = 0; i < npoll; i++) 1962 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 1963 splx(s); 1964 1965 /* 1966 * We now have to wait for any activity on the physical 1967 * descriptors to stop. 1968 */ 1969 usb_delay_ms(&sc->sc_bus, 2); 1970 1971 for(i = 0; i < npoll; i++) 1972 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1973 free(upipe->u.intr.qhs, M_USBHC); 1974 1975 /* XXX free other resources */ 1976 } 1977 1978 usbd_status 1979 uhci_device_request(xfer) 1980 usbd_xfer_handle xfer; 1981 { 1982 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1983 usb_device_request_t *req = &xfer->request; 1984 usbd_device_handle dev = upipe->pipe.device; 1985 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1986 int addr = dev->address; 1987 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1988 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1989 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 1990 uhci_soft_qh_t *sqh; 1991 int len; 1992 u_int32_t ls; 1993 usbd_status err; 1994 int isread; 1995 int s; 1996 1997 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1998 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1999 req->bmRequestType, req->bRequest, UGETW(req->wValue), 2000 UGETW(req->wIndex), UGETW(req->wLength), 2001 addr, endpt)); 2002 2003 ls = dev->lowspeed ? UHCI_TD_LS : 0; 2004 isread = req->bmRequestType & UT_READ; 2005 len = UGETW(req->wLength); 2006 2007 setup = upipe->u.ctl.setup; 2008 stat = upipe->u.ctl.stat; 2009 sqh = upipe->u.ctl.sqh; 2010 2011 /* Set up data transaction */ 2012 if (len != 0) { 2013 upipe->nexttoggle = 1; 2014 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 2015 &xfer->dmabuf, &data, &dataend); 2016 if (err) 2017 return (err); 2018 next = data; 2019 dataend->link.std = stat; 2020 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF); 2021 } else { 2022 next = stat; 2023 } 2024 upipe->u.ctl.length = len; 2025 2026 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2027 2028 setup->link.std = next; 2029 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF); 2030 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2031 UHCI_TD_ACTIVE); 2032 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2033 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2034 2035 stat->link.std = NULL; 2036 stat->td.td_link = htole32(UHCI_PTR_T); 2037 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2038 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2039 stat->td.td_token = 2040 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2041 UHCI_TD_IN (0, endpt, addr, 1)); 2042 stat->td.td_buffer = htole32(0); 2043 2044 #ifdef UHCI_DEBUG 2045 if (uhcidebug > 10) { 2046 DPRINTF(("uhci_device_request: before transfer\n")); 2047 uhci_dump_tds(setup); 2048 } 2049 #endif 2050 2051 /* Set up interrupt info. */ 2052 ii->xfer = xfer; 2053 ii->stdstart = setup; 2054 ii->stdend = stat; 2055 #ifdef DIAGNOSTIC 2056 if (!ii->isdone) { 2057 printf("uhci_device_request: not done, ii=%p\n", ii); 2058 } 2059 ii->isdone = 0; 2060 #endif 2061 2062 sqh->elink = setup; 2063 sqh->qh.qh_elink = htole32(setup->physaddr); 2064 2065 s = splusb(); 2066 uhci_add_ctrl(sc, sqh); 2067 uhci_add_intr_info(sc, ii); 2068 #ifdef UHCI_DEBUG 2069 if (uhcidebug > 12) { 2070 uhci_soft_td_t *std; 2071 uhci_soft_qh_t *xqh; 2072 uhci_soft_qh_t *sxqh; 2073 int maxqh = 0; 2074 uhci_physaddr_t link; 2075 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2076 for (std = sc->sc_vframes[0].htd, link = 0; 2077 (link & UHCI_PTR_Q) == 0; 2078 std = std->link.std) { 2079 link = le32toh(std->td.td_link); 2080 uhci_dump_td(std); 2081 } 2082 sxqh = (uhci_soft_qh_t *)std; 2083 uhci_dump_qh(sxqh); 2084 for (xqh = sxqh; 2085 xqh != NULL; 2086 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 2087 xqh->hlink==xqh ? NULL : xqh->hlink)) { 2088 uhci_dump_qh(xqh); 2089 } 2090 DPRINTF(("Enqueued QH:\n")); 2091 uhci_dump_qh(sqh); 2092 uhci_dump_tds(sqh->elink); 2093 } 2094 #endif 2095 if (xfer->timeout && !sc->sc_bus.use_polling) { 2096 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2097 uhci_timeout, ii); 2098 } 2099 xfer->status = USBD_IN_PROGRESS; 2100 splx(s); 2101 2102 return (USBD_NORMAL_COMPLETION); 2103 } 2104 2105 usbd_status 2106 uhci_device_isoc_transfer(xfer) 2107 usbd_xfer_handle xfer; 2108 { 2109 usbd_status err; 2110 2111 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2112 2113 /* Put it on our queue, */ 2114 err = usb_insert_transfer(xfer); 2115 2116 /* bail out on error, */ 2117 if (err && err != USBD_IN_PROGRESS) 2118 return (err); 2119 2120 /* XXX should check inuse here */ 2121 2122 /* insert into schedule, */ 2123 uhci_device_isoc_enter(xfer); 2124 2125 /* and start if the pipe wasn't running */ 2126 if (!err) 2127 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2128 2129 return (err); 2130 } 2131 2132 void 2133 uhci_device_isoc_enter(xfer) 2134 usbd_xfer_handle xfer; 2135 { 2136 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2137 usbd_device_handle dev = upipe->pipe.device; 2138 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2139 struct iso *iso = &upipe->u.iso; 2140 uhci_soft_td_t *std; 2141 u_int32_t buf, len, status; 2142 int s, i, next, nframes; 2143 2144 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2145 "nframes=%d\n", 2146 iso->inuse, iso->next, xfer, xfer->nframes)); 2147 2148 if (sc->sc_dying) 2149 return; 2150 2151 if (xfer->status == USBD_IN_PROGRESS) { 2152 /* This request has already been entered into the frame list */ 2153 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2154 /* XXX */ 2155 } 2156 2157 #ifdef DIAGNOSTIC 2158 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2159 printf("uhci_device_isoc_enter: overflow!\n"); 2160 #endif 2161 2162 next = iso->next; 2163 if (next == -1) { 2164 /* Not in use yet, schedule it a few frames ahead. */ 2165 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2166 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2167 } 2168 2169 xfer->status = USBD_IN_PROGRESS; 2170 UXFER(xfer)->curframe = next; 2171 2172 buf = DMAADDR(&xfer->dmabuf); 2173 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2174 UHCI_TD_ACTIVE | 2175 UHCI_TD_IOS); 2176 nframes = xfer->nframes; 2177 s = splusb(); 2178 for (i = 0; i < nframes; i++) { 2179 std = iso->stds[next]; 2180 if (++next >= UHCI_VFRAMELIST_COUNT) 2181 next = 0; 2182 len = xfer->frlengths[i]; 2183 std->td.td_buffer = htole32(buf); 2184 if (i == nframes - 1) 2185 status |= UHCI_TD_IOC; 2186 std->td.td_status = htole32(status); 2187 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2188 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2189 #ifdef UHCI_DEBUG 2190 if (uhcidebug > 5) { 2191 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2192 uhci_dump_td(std); 2193 } 2194 #endif 2195 buf += len; 2196 } 2197 iso->next = next; 2198 iso->inuse += xfer->nframes; 2199 2200 splx(s); 2201 } 2202 2203 usbd_status 2204 uhci_device_isoc_start(xfer) 2205 usbd_xfer_handle xfer; 2206 { 2207 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2208 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2209 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2210 uhci_soft_td_t *end; 2211 int s, i; 2212 2213 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2214 2215 if (sc->sc_dying) 2216 return (USBD_IOERROR); 2217 2218 #ifdef DIAGNOSTIC 2219 if (xfer->status != USBD_IN_PROGRESS) 2220 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2221 #endif 2222 2223 /* Find the last TD */ 2224 i = UXFER(xfer)->curframe + xfer->nframes; 2225 if (i >= UHCI_VFRAMELIST_COUNT) 2226 i -= UHCI_VFRAMELIST_COUNT; 2227 end = upipe->u.iso.stds[i]; 2228 2229 #ifdef DIAGNOSTIC 2230 if (end == NULL) { 2231 printf("uhci_device_isoc_start: end == NULL\n"); 2232 return (USBD_INVAL); 2233 } 2234 #endif 2235 2236 s = splusb(); 2237 2238 /* Set up interrupt info. */ 2239 ii->xfer = xfer; 2240 ii->stdstart = end; 2241 ii->stdend = end; 2242 #ifdef DIAGNOSTIC 2243 if (!ii->isdone) 2244 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2245 ii->isdone = 0; 2246 #endif 2247 uhci_add_intr_info(sc, ii); 2248 2249 splx(s); 2250 2251 return (USBD_IN_PROGRESS); 2252 } 2253 2254 void 2255 uhci_device_isoc_abort(xfer) 2256 usbd_xfer_handle xfer; 2257 { 2258 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2259 uhci_soft_td_t **stds = upipe->u.iso.stds; 2260 uhci_soft_td_t *std; 2261 int i, n, s, nframes, maxlen, len; 2262 2263 s = splusb(); 2264 2265 /* Transfer is already done. */ 2266 if (xfer->status != USBD_NOT_STARTED && 2267 xfer->status != USBD_IN_PROGRESS) { 2268 splx(s); 2269 return; 2270 } 2271 2272 /* Give xfer the requested abort code. */ 2273 xfer->status = USBD_CANCELLED; 2274 2275 /* make hardware ignore it, */ 2276 nframes = xfer->nframes; 2277 n = UXFER(xfer)->curframe; 2278 maxlen = 0; 2279 for (i = 0; i < nframes; i++) { 2280 std = stds[n]; 2281 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2282 len = UHCI_TD_GET_MAXLEN(std->td.td_token); 2283 if (len > maxlen) 2284 maxlen = len; 2285 if (++n >= UHCI_VFRAMELIST_COUNT) 2286 n = 0; 2287 } 2288 2289 /* and wait until we are sure the hardware has finished. */ 2290 delay(maxlen); 2291 2292 #ifdef DIAGNOSTIC 2293 UXFER(xfer)->iinfo.isdone = 1; 2294 #endif 2295 /* Run callback and remove from interrupt list. */ 2296 usb_transfer_complete(xfer); 2297 2298 splx(s); 2299 } 2300 2301 void 2302 uhci_device_isoc_close(pipe) 2303 usbd_pipe_handle pipe; 2304 { 2305 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2306 usbd_device_handle dev = upipe->pipe.device; 2307 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2308 uhci_soft_td_t *std, *vstd; 2309 struct iso *iso; 2310 int i, s; 2311 2312 /* 2313 * Make sure all TDs are marked as inactive. 2314 * Wait for completion. 2315 * Unschedule. 2316 * Deallocate. 2317 */ 2318 iso = &upipe->u.iso; 2319 2320 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2321 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2322 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2323 2324 s = splusb(); 2325 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2326 std = iso->stds[i]; 2327 for (vstd = sc->sc_vframes[i].htd; 2328 vstd != NULL && vstd->link.std != std; 2329 vstd = vstd->link.std) 2330 ; 2331 if (vstd == NULL) { 2332 /*panic*/ 2333 printf("uhci_device_isoc_close: %p not found\n", std); 2334 splx(s); 2335 return; 2336 } 2337 vstd->link = std->link; 2338 vstd->td.td_link = std->td.td_link; 2339 uhci_free_std(sc, std); 2340 } 2341 splx(s); 2342 2343 free(iso->stds, M_USBHC); 2344 } 2345 2346 usbd_status 2347 uhci_setup_isoc(pipe) 2348 usbd_pipe_handle pipe; 2349 { 2350 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2351 usbd_device_handle dev = upipe->pipe.device; 2352 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2353 int addr = upipe->pipe.device->address; 2354 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2355 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2356 uhci_soft_td_t *std, *vstd; 2357 u_int32_t token; 2358 struct iso *iso; 2359 int i, s; 2360 2361 iso = &upipe->u.iso; 2362 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2363 M_USBHC, M_WAITOK); 2364 2365 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2366 UHCI_TD_OUT(0, endpt, addr, 0); 2367 2368 /* Allocate the TDs and mark as inactive; */ 2369 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2370 std = uhci_alloc_std(sc); 2371 if (std == 0) 2372 goto bad; 2373 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2374 std->td.td_token = htole32(token); 2375 iso->stds[i] = std; 2376 } 2377 2378 /* Insert TDs into schedule. */ 2379 s = splusb(); 2380 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2381 std = iso->stds[i]; 2382 vstd = sc->sc_vframes[i].htd; 2383 std->link = vstd->link; 2384 std->td.td_link = vstd->td.td_link; 2385 vstd->link.std = std; 2386 vstd->td.td_link = htole32(std->physaddr); 2387 } 2388 splx(s); 2389 2390 iso->next = -1; 2391 iso->inuse = 0; 2392 2393 return (USBD_NORMAL_COMPLETION); 2394 2395 bad: 2396 while (--i >= 0) 2397 uhci_free_std(sc, iso->stds[i]); 2398 free(iso->stds, M_USBHC); 2399 return (USBD_NOMEM); 2400 } 2401 2402 void 2403 uhci_device_isoc_done(xfer) 2404 usbd_xfer_handle xfer; 2405 { 2406 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2407 2408 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2409 2410 if (ii->xfer != xfer) 2411 /* Not on interrupt list, ignore it. */ 2412 return; 2413 2414 #ifdef DIAGNOSTIC 2415 if (xfer->busy_free != XFER_BUSY) { 2416 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2417 xfer, xfer->busy_free); 2418 return; 2419 } 2420 2421 if (ii->stdend == NULL) { 2422 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2423 #ifdef UHCI_DEBUG 2424 uhci_dump_ii(ii); 2425 #endif 2426 return; 2427 } 2428 #endif 2429 2430 /* Turn off the interrupt since it is active even if the TD is not. */ 2431 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2432 2433 uhci_del_intr_info(ii); /* remove from active list */ 2434 } 2435 2436 void 2437 uhci_device_intr_done(xfer) 2438 usbd_xfer_handle xfer; 2439 { 2440 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2441 uhci_softc_t *sc = ii->sc; 2442 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2443 uhci_soft_qh_t *sqh; 2444 int i, npoll; 2445 2446 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2447 2448 npoll = upipe->u.intr.npoll; 2449 for(i = 0; i < npoll; i++) { 2450 sqh = upipe->u.intr.qhs[i]; 2451 sqh->elink = 0; 2452 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2453 } 2454 uhci_free_std_chain(sc, ii->stdstart, 0); 2455 2456 /* XXX Wasteful. */ 2457 if (xfer->pipe->repeat) { 2458 uhci_soft_td_t *data, *dataend; 2459 2460 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2461 2462 /* This alloc cannot fail since we freed the chain above. */ 2463 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2464 &xfer->dmabuf, &data, &dataend); 2465 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2466 2467 #ifdef UHCI_DEBUG 2468 if (uhcidebug > 10) { 2469 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2470 uhci_dump_tds(data); 2471 uhci_dump_qh(upipe->u.intr.qhs[0]); 2472 } 2473 #endif 2474 2475 ii->stdstart = data; 2476 ii->stdend = dataend; 2477 #ifdef DIAGNOSTIC 2478 if (!ii->isdone) { 2479 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2480 } 2481 ii->isdone = 0; 2482 #endif 2483 for (i = 0; i < npoll; i++) { 2484 sqh = upipe->u.intr.qhs[i]; 2485 sqh->elink = data; 2486 sqh->qh.qh_elink = htole32(data->physaddr); 2487 } 2488 xfer->status = USBD_IN_PROGRESS; 2489 /* The ii is already on the examined list, just leave it. */ 2490 } else { 2491 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2492 uhci_del_intr_info(ii); 2493 } 2494 } 2495 2496 /* Deallocate request data structures */ 2497 void 2498 uhci_device_ctrl_done(xfer) 2499 usbd_xfer_handle xfer; 2500 { 2501 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2502 uhci_softc_t *sc = ii->sc; 2503 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2504 2505 #ifdef DIAGNOSTIC 2506 if (!(xfer->rqflags & URQ_REQUEST)) 2507 panic("uhci_ctrl_done: not a request\n"); 2508 #endif 2509 2510 uhci_del_intr_info(ii); /* remove from active list */ 2511 2512 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2513 2514 if (upipe->u.ctl.length != 0) 2515 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2516 2517 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2518 } 2519 2520 /* Deallocate request data structures */ 2521 void 2522 uhci_device_bulk_done(xfer) 2523 usbd_xfer_handle xfer; 2524 { 2525 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2526 uhci_softc_t *sc = ii->sc; 2527 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2528 2529 uhci_del_intr_info(ii); /* remove from active list */ 2530 2531 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2532 2533 uhci_free_std_chain(sc, ii->stdstart, 0); 2534 2535 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2536 } 2537 2538 /* Add interrupt QH, called with vflock. */ 2539 void 2540 uhci_add_intr(sc, sqh) 2541 uhci_softc_t *sc; 2542 uhci_soft_qh_t *sqh; 2543 { 2544 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2545 uhci_soft_qh_t *eqh; 2546 2547 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2548 2549 eqh = vf->eqh; 2550 sqh->hlink = eqh->hlink; 2551 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2552 eqh->hlink = sqh; 2553 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 2554 vf->eqh = sqh; 2555 vf->bandwidth++; 2556 } 2557 2558 /* Remove interrupt QH, called with vflock. */ 2559 void 2560 uhci_remove_intr(sc, sqh) 2561 uhci_softc_t *sc; 2562 uhci_soft_qh_t *sqh; 2563 { 2564 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2565 uhci_soft_qh_t *pqh; 2566 2567 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2568 2569 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2570 pqh->hlink = sqh->hlink; 2571 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2572 if (vf->eqh == sqh) 2573 vf->eqh = pqh; 2574 vf->bandwidth--; 2575 } 2576 2577 usbd_status 2578 uhci_device_setintr(sc, upipe, ival) 2579 uhci_softc_t *sc; 2580 struct uhci_pipe *upipe; 2581 int ival; 2582 { 2583 uhci_soft_qh_t *sqh; 2584 int i, npoll, s; 2585 u_int bestbw, bw, bestoffs, offs; 2586 2587 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2588 if (ival == 0) { 2589 printf("uhci_setintr: 0 interval\n"); 2590 return (USBD_INVAL); 2591 } 2592 2593 if (ival > UHCI_VFRAMELIST_COUNT) 2594 ival = UHCI_VFRAMELIST_COUNT; 2595 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2596 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2597 2598 upipe->u.intr.npoll = npoll; 2599 upipe->u.intr.qhs = 2600 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2601 2602 /* 2603 * Figure out which offset in the schedule that has most 2604 * bandwidth left over. 2605 */ 2606 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2607 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2608 for (bw = i = 0; i < npoll; i++) 2609 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2610 if (bw < bestbw) { 2611 bestbw = bw; 2612 bestoffs = offs; 2613 } 2614 } 2615 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2616 2617 for(i = 0; i < npoll; i++) { 2618 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2619 sqh->elink = 0; 2620 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2621 sqh->pos = MOD(i * ival + bestoffs); 2622 } 2623 #undef MOD 2624 2625 s = splusb(); 2626 /* Enter QHs into the controller data structures. */ 2627 for(i = 0; i < npoll; i++) 2628 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2629 splx(s); 2630 2631 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2632 return (USBD_NORMAL_COMPLETION); 2633 } 2634 2635 /* Open a new pipe. */ 2636 usbd_status 2637 uhci_open(pipe) 2638 usbd_pipe_handle pipe; 2639 { 2640 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2641 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2642 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2643 usbd_status err; 2644 int ival; 2645 2646 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2647 pipe, pipe->device->address, 2648 ed->bEndpointAddress, sc->sc_addr)); 2649 2650 upipe->aborting = 0; 2651 upipe->nexttoggle = 0; 2652 2653 if (pipe->device->address == sc->sc_addr) { 2654 switch (ed->bEndpointAddress) { 2655 case USB_CONTROL_ENDPOINT: 2656 pipe->methods = &uhci_root_ctrl_methods; 2657 break; 2658 case UE_DIR_IN | UHCI_INTR_ENDPT: 2659 pipe->methods = &uhci_root_intr_methods; 2660 break; 2661 default: 2662 return (USBD_INVAL); 2663 } 2664 } else { 2665 switch (ed->bmAttributes & UE_XFERTYPE) { 2666 case UE_CONTROL: 2667 pipe->methods = &uhci_device_ctrl_methods; 2668 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2669 if (upipe->u.ctl.sqh == NULL) 2670 goto bad; 2671 upipe->u.ctl.setup = uhci_alloc_std(sc); 2672 if (upipe->u.ctl.setup == NULL) { 2673 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2674 goto bad; 2675 } 2676 upipe->u.ctl.stat = uhci_alloc_std(sc); 2677 if (upipe->u.ctl.stat == NULL) { 2678 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2679 uhci_free_std(sc, upipe->u.ctl.setup); 2680 goto bad; 2681 } 2682 err = usb_allocmem(&sc->sc_bus, 2683 sizeof(usb_device_request_t), 2684 0, &upipe->u.ctl.reqdma); 2685 if (err) { 2686 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2687 uhci_free_std(sc, upipe->u.ctl.setup); 2688 uhci_free_std(sc, upipe->u.ctl.stat); 2689 goto bad; 2690 } 2691 break; 2692 case UE_INTERRUPT: 2693 pipe->methods = &uhci_device_intr_methods; 2694 ival = pipe->interval; 2695 if (ival == USBD_DEFAULT_INTERVAL) 2696 ival = ed->bInterval; 2697 return (uhci_device_setintr(sc, upipe, ival)); 2698 case UE_ISOCHRONOUS: 2699 pipe->methods = &uhci_device_isoc_methods; 2700 return (uhci_setup_isoc(pipe)); 2701 case UE_BULK: 2702 pipe->methods = &uhci_device_bulk_methods; 2703 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2704 if (upipe->u.bulk.sqh == NULL) 2705 goto bad; 2706 break; 2707 } 2708 } 2709 return (USBD_NORMAL_COMPLETION); 2710 2711 bad: 2712 return (USBD_NOMEM); 2713 } 2714 2715 /* 2716 * Data structures and routines to emulate the root hub. 2717 */ 2718 usb_device_descriptor_t uhci_devd = { 2719 USB_DEVICE_DESCRIPTOR_SIZE, 2720 UDESC_DEVICE, /* type */ 2721 {0x00, 0x01}, /* USB version */ 2722 UDCLASS_HUB, /* class */ 2723 UDSUBCLASS_HUB, /* subclass */ 2724 0, /* protocol */ 2725 64, /* max packet */ 2726 {0},{0},{0x00,0x01}, /* device id */ 2727 1,2,0, /* string indicies */ 2728 1 /* # of configurations */ 2729 }; 2730 2731 usb_config_descriptor_t uhci_confd = { 2732 USB_CONFIG_DESCRIPTOR_SIZE, 2733 UDESC_CONFIG, 2734 {USB_CONFIG_DESCRIPTOR_SIZE + 2735 USB_INTERFACE_DESCRIPTOR_SIZE + 2736 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2737 1, 2738 1, 2739 0, 2740 UC_SELF_POWERED, 2741 0 /* max power */ 2742 }; 2743 2744 usb_interface_descriptor_t uhci_ifcd = { 2745 USB_INTERFACE_DESCRIPTOR_SIZE, 2746 UDESC_INTERFACE, 2747 0, 2748 0, 2749 1, 2750 UICLASS_HUB, 2751 UISUBCLASS_HUB, 2752 0, 2753 0 2754 }; 2755 2756 usb_endpoint_descriptor_t uhci_endpd = { 2757 USB_ENDPOINT_DESCRIPTOR_SIZE, 2758 UDESC_ENDPOINT, 2759 UE_DIR_IN | UHCI_INTR_ENDPT, 2760 UE_INTERRUPT, 2761 {8}, 2762 255 2763 }; 2764 2765 usb_hub_descriptor_t uhci_hubd_piix = { 2766 USB_HUB_DESCRIPTOR_SIZE, 2767 UDESC_HUB, 2768 2, 2769 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2770 50, /* power on to power good */ 2771 0, 2772 { 0x00 }, /* both ports are removable */ 2773 }; 2774 2775 int 2776 uhci_str(p, l, s) 2777 usb_string_descriptor_t *p; 2778 int l; 2779 char *s; 2780 { 2781 int i; 2782 2783 if (l == 0) 2784 return (0); 2785 p->bLength = 2 * strlen(s) + 2; 2786 if (l == 1) 2787 return (1); 2788 p->bDescriptorType = UDESC_STRING; 2789 l -= 2; 2790 for (i = 0; s[i] && l > 1; i++, l -= 2) 2791 USETW2(p->bString[i], 0, s[i]); 2792 return (2*i+2); 2793 } 2794 2795 /* 2796 * Simulate a hardware hub by handling all the necessary requests. 2797 */ 2798 usbd_status 2799 uhci_root_ctrl_transfer(xfer) 2800 usbd_xfer_handle xfer; 2801 { 2802 usbd_status err; 2803 2804 /* Insert last in queue. */ 2805 err = usb_insert_transfer(xfer); 2806 if (err) 2807 return (err); 2808 2809 /* 2810 * Pipe isn't running (otherwise err would be USBD_INPROG), 2811 * so start it first. 2812 */ 2813 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2814 } 2815 2816 usbd_status 2817 uhci_root_ctrl_start(xfer) 2818 usbd_xfer_handle xfer; 2819 { 2820 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2821 usb_device_request_t *req; 2822 void *buf = NULL; 2823 int port, x; 2824 int s, len, value, index, status, change, l, totlen = 0; 2825 usb_port_status_t ps; 2826 usbd_status err; 2827 2828 if (sc->sc_dying) 2829 return (USBD_IOERROR); 2830 2831 #ifdef DIAGNOSTIC 2832 if (!(xfer->rqflags & URQ_REQUEST)) 2833 panic("uhci_root_ctrl_transfer: not a request\n"); 2834 #endif 2835 req = &xfer->request; 2836 2837 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2838 req->bmRequestType, req->bRequest)); 2839 2840 len = UGETW(req->wLength); 2841 value = UGETW(req->wValue); 2842 index = UGETW(req->wIndex); 2843 2844 if (len != 0) 2845 buf = KERNADDR(&xfer->dmabuf); 2846 2847 #define C(x,y) ((x) | ((y) << 8)) 2848 switch(C(req->bRequest, req->bmRequestType)) { 2849 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2850 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2851 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2852 /* 2853 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2854 * for the integrated root hub. 2855 */ 2856 break; 2857 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2858 if (len > 0) { 2859 *(u_int8_t *)buf = sc->sc_conf; 2860 totlen = 1; 2861 } 2862 break; 2863 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2864 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2865 switch(value >> 8) { 2866 case UDESC_DEVICE: 2867 if ((value & 0xff) != 0) { 2868 err = USBD_IOERROR; 2869 goto ret; 2870 } 2871 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2872 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2873 memcpy(buf, &uhci_devd, l); 2874 break; 2875 case UDESC_CONFIG: 2876 if ((value & 0xff) != 0) { 2877 err = USBD_IOERROR; 2878 goto ret; 2879 } 2880 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2881 memcpy(buf, &uhci_confd, l); 2882 buf = (char *)buf + l; 2883 len -= l; 2884 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2885 totlen += l; 2886 memcpy(buf, &uhci_ifcd, l); 2887 buf = (char *)buf + l; 2888 len -= l; 2889 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2890 totlen += l; 2891 memcpy(buf, &uhci_endpd, l); 2892 break; 2893 case UDESC_STRING: 2894 if (len == 0) 2895 break; 2896 *(u_int8_t *)buf = 0; 2897 totlen = 1; 2898 switch (value & 0xff) { 2899 case 1: /* Vendor */ 2900 totlen = uhci_str(buf, len, sc->sc_vendor); 2901 break; 2902 case 2: /* Product */ 2903 totlen = uhci_str(buf, len, "UHCI root hub"); 2904 break; 2905 } 2906 break; 2907 default: 2908 err = USBD_IOERROR; 2909 goto ret; 2910 } 2911 break; 2912 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2913 if (len > 0) { 2914 *(u_int8_t *)buf = 0; 2915 totlen = 1; 2916 } 2917 break; 2918 case C(UR_GET_STATUS, UT_READ_DEVICE): 2919 if (len > 1) { 2920 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2921 totlen = 2; 2922 } 2923 break; 2924 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2925 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2926 if (len > 1) { 2927 USETW(((usb_status_t *)buf)->wStatus, 0); 2928 totlen = 2; 2929 } 2930 break; 2931 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2932 if (value >= USB_MAX_DEVICES) { 2933 err = USBD_IOERROR; 2934 goto ret; 2935 } 2936 sc->sc_addr = value; 2937 break; 2938 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2939 if (value != 0 && value != 1) { 2940 err = USBD_IOERROR; 2941 goto ret; 2942 } 2943 sc->sc_conf = value; 2944 break; 2945 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2946 break; 2947 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2948 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2949 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2950 err = USBD_IOERROR; 2951 goto ret; 2952 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2953 break; 2954 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2955 break; 2956 /* Hub requests */ 2957 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2958 break; 2959 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2960 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2961 "port=%d feature=%d\n", 2962 index, value)); 2963 if (index == 1) 2964 port = UHCI_PORTSC1; 2965 else if (index == 2) 2966 port = UHCI_PORTSC2; 2967 else { 2968 err = USBD_IOERROR; 2969 goto ret; 2970 } 2971 switch(value) { 2972 case UHF_PORT_ENABLE: 2973 x = UREAD2(sc, port); 2974 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2975 break; 2976 case UHF_PORT_SUSPEND: 2977 x = UREAD2(sc, port); 2978 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2979 break; 2980 case UHF_PORT_RESET: 2981 x = UREAD2(sc, port); 2982 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2983 break; 2984 case UHF_C_PORT_CONNECTION: 2985 x = UREAD2(sc, port); 2986 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2987 break; 2988 case UHF_C_PORT_ENABLE: 2989 x = UREAD2(sc, port); 2990 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2991 break; 2992 case UHF_C_PORT_OVER_CURRENT: 2993 x = UREAD2(sc, port); 2994 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2995 break; 2996 case UHF_C_PORT_RESET: 2997 sc->sc_isreset = 0; 2998 err = USBD_NORMAL_COMPLETION; 2999 goto ret; 3000 case UHF_PORT_CONNECTION: 3001 case UHF_PORT_OVER_CURRENT: 3002 case UHF_PORT_POWER: 3003 case UHF_PORT_LOW_SPEED: 3004 case UHF_C_PORT_SUSPEND: 3005 default: 3006 err = USBD_IOERROR; 3007 goto ret; 3008 } 3009 break; 3010 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 3011 if (index == 1) 3012 port = UHCI_PORTSC1; 3013 else if (index == 2) 3014 port = UHCI_PORTSC2; 3015 else { 3016 err = USBD_IOERROR; 3017 goto ret; 3018 } 3019 if (len > 0) { 3020 *(u_int8_t *)buf = 3021 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3022 UHCI_PORTSC_LS_SHIFT; 3023 totlen = 1; 3024 } 3025 break; 3026 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3027 if (value != 0) { 3028 err = USBD_IOERROR; 3029 goto ret; 3030 } 3031 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3032 totlen = l; 3033 memcpy(buf, &uhci_hubd_piix, l); 3034 break; 3035 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3036 if (len != 4) { 3037 err = USBD_IOERROR; 3038 goto ret; 3039 } 3040 memset(buf, 0, len); 3041 totlen = len; 3042 break; 3043 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3044 if (index == 1) 3045 port = UHCI_PORTSC1; 3046 else if (index == 2) 3047 port = UHCI_PORTSC2; 3048 else { 3049 err = USBD_IOERROR; 3050 goto ret; 3051 } 3052 if (len != 4) { 3053 err = USBD_IOERROR; 3054 goto ret; 3055 } 3056 x = UREAD2(sc, port); 3057 status = change = 0; 3058 if (x & UHCI_PORTSC_CCS ) 3059 status |= UPS_CURRENT_CONNECT_STATUS; 3060 if (x & UHCI_PORTSC_CSC ) 3061 change |= UPS_C_CONNECT_STATUS; 3062 if (x & UHCI_PORTSC_PE ) 3063 status |= UPS_PORT_ENABLED; 3064 if (x & UHCI_PORTSC_POEDC) 3065 change |= UPS_C_PORT_ENABLED; 3066 if (x & UHCI_PORTSC_OCI ) 3067 status |= UPS_OVERCURRENT_INDICATOR; 3068 if (x & UHCI_PORTSC_OCIC ) 3069 change |= UPS_C_OVERCURRENT_INDICATOR; 3070 if (x & UHCI_PORTSC_SUSP ) 3071 status |= UPS_SUSPEND; 3072 if (x & UHCI_PORTSC_LSDA ) 3073 status |= UPS_LOW_SPEED; 3074 status |= UPS_PORT_POWER; 3075 if (sc->sc_isreset) 3076 change |= UPS_C_PORT_RESET; 3077 USETW(ps.wPortStatus, status); 3078 USETW(ps.wPortChange, change); 3079 l = min(len, sizeof ps); 3080 memcpy(buf, &ps, l); 3081 totlen = l; 3082 break; 3083 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3084 err = USBD_IOERROR; 3085 goto ret; 3086 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3087 break; 3088 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3089 if (index == 1) 3090 port = UHCI_PORTSC1; 3091 else if (index == 2) 3092 port = UHCI_PORTSC2; 3093 else { 3094 err = USBD_IOERROR; 3095 goto ret; 3096 } 3097 switch(value) { 3098 case UHF_PORT_ENABLE: 3099 x = UREAD2(sc, port); 3100 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3101 break; 3102 case UHF_PORT_SUSPEND: 3103 x = UREAD2(sc, port); 3104 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3105 break; 3106 case UHF_PORT_RESET: 3107 x = UREAD2(sc, port); 3108 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3109 usb_delay_ms(&sc->sc_bus, 10); 3110 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3111 delay(100); 3112 x = UREAD2(sc, port); 3113 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3114 delay(100); 3115 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3116 index, UREAD2(sc, port))); 3117 sc->sc_isreset = 1; 3118 break; 3119 case UHF_PORT_POWER: 3120 /* Pretend we turned on power */ 3121 goto ret; 3122 case UHF_C_PORT_CONNECTION: 3123 case UHF_C_PORT_ENABLE: 3124 case UHF_C_PORT_OVER_CURRENT: 3125 case UHF_PORT_CONNECTION: 3126 case UHF_PORT_OVER_CURRENT: 3127 case UHF_PORT_LOW_SPEED: 3128 case UHF_C_PORT_SUSPEND: 3129 case UHF_C_PORT_RESET: 3130 default: 3131 err = USBD_IOERROR; 3132 goto ret; 3133 } 3134 break; 3135 default: 3136 err = USBD_IOERROR; 3137 goto ret; 3138 } 3139 xfer->actlen = totlen; 3140 err = USBD_NORMAL_COMPLETION; 3141 ret: 3142 xfer->status = err; 3143 s = splusb(); 3144 usb_transfer_complete(xfer); 3145 splx(s); 3146 return (USBD_IN_PROGRESS); 3147 } 3148 3149 /* Abort a root control request. */ 3150 void 3151 uhci_root_ctrl_abort(xfer) 3152 usbd_xfer_handle xfer; 3153 { 3154 /* Nothing to do, all transfers are synchronous. */ 3155 } 3156 3157 /* Close the root pipe. */ 3158 void 3159 uhci_root_ctrl_close(pipe) 3160 usbd_pipe_handle pipe; 3161 { 3162 DPRINTF(("uhci_root_ctrl_close\n")); 3163 } 3164 3165 /* Abort a root interrupt request. */ 3166 void 3167 uhci_root_intr_abort(xfer) 3168 usbd_xfer_handle xfer; 3169 { 3170 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3171 3172 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3173 sc->sc_intr_xfer = NULL; 3174 3175 if (xfer->pipe->intrxfer == xfer) { 3176 DPRINTF(("uhci_root_intr_abort: remove\n")); 3177 xfer->pipe->intrxfer = 0; 3178 } 3179 xfer->status = USBD_CANCELLED; 3180 #ifdef DIAGNOSTIC 3181 UXFER(xfer)->iinfo.isdone = 1; 3182 #endif 3183 usb_transfer_complete(xfer); 3184 } 3185 3186 usbd_status 3187 uhci_root_intr_transfer(xfer) 3188 usbd_xfer_handle xfer; 3189 { 3190 usbd_status err; 3191 3192 /* Insert last in queue. */ 3193 err = usb_insert_transfer(xfer); 3194 if (err) 3195 return (err); 3196 3197 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3198 * start first 3199 */ 3200 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3201 } 3202 3203 /* Start a transfer on the root interrupt pipe */ 3204 usbd_status 3205 uhci_root_intr_start(xfer) 3206 usbd_xfer_handle xfer; 3207 { 3208 usbd_pipe_handle pipe = xfer->pipe; 3209 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3210 3211 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3212 xfer, xfer->length, xfer->flags)); 3213 3214 if (sc->sc_dying) 3215 return (USBD_IOERROR); 3216 3217 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3218 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3219 sc->sc_intr_xfer = xfer; 3220 return (USBD_IN_PROGRESS); 3221 } 3222 3223 /* Close the root interrupt pipe. */ 3224 void 3225 uhci_root_intr_close(pipe) 3226 usbd_pipe_handle pipe; 3227 { 3228 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3229 3230 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3231 sc->sc_intr_xfer = NULL; 3232 DPRINTF(("uhci_root_intr_close\n")); 3233 } 3234
Indexes created Tue Sep 23 07:09:52 GMT 2025