uhci.c revision 1.111
1 /* $NetBSD: uhci.c,v 1.111 2000/04/21 15:40:01 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 UWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)) 265 #define UWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)) 266 #define UWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)) 267 #define UREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r)) 268 #define UREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r)) 269 #define UREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r)) 270 271 #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) 272 #define UHCISTS(sc) UREAD2(sc, UHCI_STS) 273 274 #define UHCI_RESET_TIMEOUT 100 /* reset timeout */ 275 276 #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) 277 278 #define UHCI_INTR_ENDPT 1 279 280 struct usbd_bus_methods uhci_bus_methods = { 281 uhci_open, 282 uhci_softintr, 283 uhci_poll, 284 uhci_allocm, 285 uhci_freem, 286 uhci_allocx, 287 uhci_freex, 288 }; 289 290 struct usbd_pipe_methods uhci_root_ctrl_methods = { 291 uhci_root_ctrl_transfer, 292 uhci_root_ctrl_start, 293 uhci_root_ctrl_abort, 294 uhci_root_ctrl_close, 295 uhci_noop, 296 uhci_root_ctrl_done, 297 }; 298 299 struct usbd_pipe_methods uhci_root_intr_methods = { 300 uhci_root_intr_transfer, 301 uhci_root_intr_start, 302 uhci_root_intr_abort, 303 uhci_root_intr_close, 304 uhci_noop, 305 uhci_root_intr_done, 306 }; 307 308 struct usbd_pipe_methods uhci_device_ctrl_methods = { 309 uhci_device_ctrl_transfer, 310 uhci_device_ctrl_start, 311 uhci_device_ctrl_abort, 312 uhci_device_ctrl_close, 313 uhci_noop, 314 uhci_device_ctrl_done, 315 }; 316 317 struct usbd_pipe_methods uhci_device_intr_methods = { 318 uhci_device_intr_transfer, 319 uhci_device_intr_start, 320 uhci_device_intr_abort, 321 uhci_device_intr_close, 322 uhci_device_clear_toggle, 323 uhci_device_intr_done, 324 }; 325 326 struct usbd_pipe_methods uhci_device_bulk_methods = { 327 uhci_device_bulk_transfer, 328 uhci_device_bulk_start, 329 uhci_device_bulk_abort, 330 uhci_device_bulk_close, 331 uhci_device_clear_toggle, 332 uhci_device_bulk_done, 333 }; 334 335 struct usbd_pipe_methods uhci_device_isoc_methods = { 336 uhci_device_isoc_transfer, 337 uhci_device_isoc_start, 338 uhci_device_isoc_abort, 339 uhci_device_isoc_close, 340 uhci_noop, 341 uhci_device_isoc_done, 342 }; 343 344 #define uhci_add_intr_info(sc, ii) \ 345 LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list); 346 #define uhci_del_intr_info(ii) \ 347 LIST_REMOVE((ii), list) 348 349 Static __inline__ uhci_soft_qh_t * 350 uhci_find_prev_qh(pqh, sqh) 351 uhci_soft_qh_t *pqh, *sqh; 352 { 353 DPRINTFN(15,("uhci_find_prev_qh: pqh=%p sqh=%p\n", pqh, sqh)); 354 355 for (; pqh->hlink != sqh; pqh = pqh->hlink) { 356 #if defined(DIAGNOSTIC) || defined(UHCI_DEBUG) 357 if (le32toh(pqh->qh.qh_hlink) & UHCI_PTR_T) { 358 printf("uhci_find_prev_qh: QH not found\n"); 359 return (NULL); 360 } 361 #endif 362 } 363 return (pqh); 364 } 365 366 void 367 uhci_busreset(sc) 368 uhci_softc_t *sc; 369 { 370 UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ 371 usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ 372 UHCICMD(sc, 0); /* do nothing */ 373 } 374 375 usbd_status 376 uhci_init(sc) 377 uhci_softc_t *sc; 378 { 379 usbd_status err; 380 int i, j; 381 uhci_soft_qh_t *csqh, *bsqh, *sqh; 382 uhci_soft_td_t *std; 383 384 DPRINTFN(1,("uhci_init: start\n")); 385 386 #ifdef UHCI_DEBUG 387 thesc = sc; 388 389 if (uhcidebug > 2) 390 uhci_dumpregs(sc); 391 #endif 392 393 uhci_run(sc, 0); /* stop the controller */ 394 UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ 395 396 uhci_busreset(sc); 397 398 /* Allocate and initialize real frame array. */ 399 err = usb_allocmem(&sc->sc_bus, 400 UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), 401 UHCI_FRAMELIST_ALIGN, &sc->sc_dma); 402 if (err) 403 return (err); 404 sc->sc_pframes = KERNADDR(&sc->sc_dma); 405 UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */ 406 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); /* set frame list*/ 407 408 /* Allocate the dummy QH where bulk traffic will be queued. */ 409 bsqh = uhci_alloc_sqh(sc); 410 if (bsqh == NULL) 411 return (USBD_NOMEM); 412 bsqh->qh.qh_hlink = htole32(UHCI_PTR_T); /* end of QH chain */ 413 bsqh->qh.qh_elink = htole32(UHCI_PTR_T); 414 sc->sc_bulk_start = sc->sc_bulk_end = bsqh; 415 416 /* Allocate the dummy QH where control traffic will be queued. */ 417 csqh = uhci_alloc_sqh(sc); 418 if (csqh == NULL) 419 return (USBD_NOMEM); 420 csqh->hlink = bsqh; 421 csqh->qh.qh_hlink = htole32(bsqh->physaddr | UHCI_PTR_Q); 422 csqh->qh.qh_elink = htole32(UHCI_PTR_T); 423 sc->sc_ctl_start = sc->sc_ctl_end = csqh; 424 425 /* 426 * Make all (virtual) frame list pointers point to the interrupt 427 * queue heads and the interrupt queue heads at the control 428 * queue head and point the physical frame list to the virtual. 429 */ 430 for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 431 std = uhci_alloc_std(sc); 432 sqh = uhci_alloc_sqh(sc); 433 if (std == NULL || sqh == NULL) 434 return (USBD_NOMEM); 435 std->link.sqh = sqh; 436 std->td.td_link = htole32(sqh->physaddr | UHCI_PTR_Q); 437 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 438 std->td.td_token = htole32(0); 439 std->td.td_buffer = htole32(0); 440 sqh->hlink = csqh; 441 sqh->qh.qh_hlink = htole32(csqh->physaddr | UHCI_PTR_Q); 442 sqh->elink = 0; 443 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 444 sc->sc_vframes[i].htd = std; 445 sc->sc_vframes[i].etd = std; 446 sc->sc_vframes[i].hqh = sqh; 447 sc->sc_vframes[i].eqh = sqh; 448 for (j = i; 449 j < UHCI_FRAMELIST_COUNT; 450 j += UHCI_VFRAMELIST_COUNT) 451 sc->sc_pframes[j] = htole32(std->physaddr); 452 } 453 454 LIST_INIT(&sc->sc_intrhead); 455 456 SIMPLEQ_INIT(&sc->sc_free_xfers); 457 458 usb_callout_init(sc->sc_poll_handle); 459 460 /* Set up the bus struct. */ 461 sc->sc_bus.methods = &uhci_bus_methods; 462 sc->sc_bus.pipe_size = sizeof(struct uhci_pipe); 463 464 #if defined(__NetBSD__) || defined(__OpenBSD__) 465 sc->sc_suspend = PWR_RESUME; 466 sc->sc_powerhook = powerhook_establish(uhci_power, sc); 467 sc->sc_shutdownhook = shutdownhook_establish(uhci_shutdown, sc); 468 #endif 469 470 DPRINTFN(1,("uhci_init: enabling\n")); 471 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 472 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */ 473 474 UHCICMD(sc, UHCI_CMD_MAXP); /* Assume 64 byte packets at frame end */ 475 476 return (uhci_run(sc, 1)); /* and here we go... */ 477 } 478 479 #if defined(__NetBSD__) || defined(__OpenBSD__) 480 int 481 uhci_activate(self, act) 482 device_ptr_t self; 483 enum devact act; 484 { 485 struct uhci_softc *sc = (struct uhci_softc *)self; 486 int rv = 0; 487 488 switch (act) { 489 case DVACT_ACTIVATE: 490 return (EOPNOTSUPP); 491 break; 492 493 case DVACT_DEACTIVATE: 494 if (sc->sc_child != NULL) 495 rv = config_deactivate(sc->sc_child); 496 break; 497 } 498 return (rv); 499 } 500 501 int 502 uhci_detach(sc, flags) 503 struct uhci_softc *sc; 504 int flags; 505 { 506 usbd_xfer_handle xfer; 507 int rv = 0; 508 509 if (sc->sc_child != NULL) 510 rv = config_detach(sc->sc_child, flags); 511 512 if (rv != 0) 513 return (rv); 514 515 #if defined(__NetBSD__) || defined(__OpenBSD__) 516 powerhook_disestablish(sc->sc_powerhook); 517 shutdownhook_disestablish(sc->sc_shutdownhook); 518 #endif 519 520 /* Free all xfers associated with this HC. */ 521 for (;;) { 522 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 523 if (xfer == NULL) 524 break; 525 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 526 free(xfer, M_USB); 527 } 528 529 /* XXX free other data structures XXX */ 530 531 return (rv); 532 } 533 #endif 534 535 usbd_status 536 uhci_allocm(bus, dma, size) 537 struct usbd_bus *bus; 538 usb_dma_t *dma; 539 u_int32_t size; 540 { 541 struct uhci_softc *sc = (struct uhci_softc *)bus; 542 u_int32_t n; 543 544 /* 545 * XXX 546 * Since we are allocating a buffer we can assume that we will 547 * need TDs for it. Since we don't want to alolocate those from 548 * an interrupt context, we allocate them here and free them again. 549 * This is no guarantee that we'll get the TDs next time... 550 */ 551 n = size / 8; 552 if (n > 16) { 553 u_int32_t i; 554 uhci_soft_td_t **stds; 555 DPRINTF(("uhci_allocm: get %d TDs\n", n)); 556 stds = malloc(sizeof(uhci_soft_td_t *) * n, M_TEMP, M_NOWAIT); 557 memset(stds, 0, sizeof(uhci_soft_td_t *) * n); 558 for(i=0; i < n; i++) 559 stds[i] = uhci_alloc_std(sc); 560 for(i=0; i < n; i++) 561 if (stds[i] != NULL) 562 uhci_free_std(sc, stds[i]); 563 free(stds, M_TEMP); 564 } 565 566 return (usb_allocmem(&sc->sc_bus, size, 0, dma)); 567 } 568 569 void 570 uhci_freem(bus, dma) 571 struct usbd_bus *bus; 572 usb_dma_t *dma; 573 { 574 usb_freemem(&((struct uhci_softc *)bus)->sc_bus, dma); 575 } 576 577 usbd_xfer_handle 578 uhci_allocx(bus) 579 struct usbd_bus *bus; 580 { 581 struct uhci_softc *sc = (struct uhci_softc *)bus; 582 usbd_xfer_handle xfer; 583 584 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 585 if (xfer != NULL) { 586 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 587 #ifdef DIAGNOSTIC 588 if (xfer->busy_free != XFER_FREE) { 589 printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer, 590 xfer->busy_free); 591 } 592 #endif 593 } else { 594 xfer = malloc(sizeof(struct uhci_xfer), M_USB, M_NOWAIT); 595 } 596 if (xfer != NULL) { 597 memset(xfer, 0, sizeof (struct uhci_xfer)); 598 UXFER(xfer)->iinfo.sc = sc; 599 #ifdef DIAGNOSTIC 600 UXFER(xfer)->iinfo.isdone = 1; 601 #endif 602 } 603 #ifdef DIAGNOSTIC 604 xfer->busy_free = XFER_BUSY; 605 #endif 606 return (xfer); 607 } 608 609 void 610 uhci_freex(bus, xfer) 611 struct usbd_bus *bus; 612 usbd_xfer_handle xfer; 613 { 614 struct uhci_softc *sc = (struct uhci_softc *)bus; 615 616 #ifdef DIAGNOSTIC 617 if (xfer->busy_free != XFER_BUSY) { 618 printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer, 619 xfer->busy_free); 620 return; 621 } 622 xfer->busy_free = XFER_FREE; 623 if (!UXFER(xfer)->iinfo.isdone) { 624 printf("uhci_freex: !isdone\n"); 625 return; 626 } 627 #endif 628 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); 629 } 630 631 /* 632 * Shut down the controller when the system is going down. 633 */ 634 void 635 uhci_shutdown(v) 636 void *v; 637 { 638 uhci_softc_t *sc = v; 639 640 DPRINTF(("uhci_shutdown: stopping the HC\n")); 641 uhci_run(sc, 0); /* stop the controller */ 642 } 643 644 /* 645 * Handle suspend/resume. 646 * 647 * We need to switch to polling mode here, because this routine is 648 * called from an interrupt context. This is all right since we 649 * are almost suspended anyway. 650 */ 651 void 652 uhci_power(why, v) 653 int why; 654 void *v; 655 { 656 uhci_softc_t *sc = v; 657 int cmd; 658 int s; 659 660 s = splusb(); 661 cmd = UREAD2(sc, UHCI_CMD); 662 663 DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", 664 sc, why, sc->sc_suspend, cmd)); 665 666 if (why != PWR_RESUME) { 667 #ifdef UHCI_DEBUG 668 if (uhcidebug > 2) 669 uhci_dumpregs(sc); 670 #endif 671 if (sc->sc_intr_xfer != NULL) 672 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, 673 sc->sc_intr_xfer); 674 sc->sc_bus.use_polling++; 675 uhci_run(sc, 0); /* stop the controller */ 676 677 /* save some state if BIOS doesn't */ 678 sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); 679 sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); 680 681 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 682 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 683 sc->sc_suspend = why; 684 sc->sc_bus.use_polling--; 685 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 686 } else { 687 #ifdef DIAGNOSTIC 688 if (sc->sc_suspend == PWR_RESUME) 689 printf("uhci_power: weird, resume without suspend.\n"); 690 #endif 691 sc->sc_bus.use_polling++; 692 sc->sc_suspend = why; 693 if (cmd & UHCI_CMD_RS) 694 uhci_run(sc, 0); /* in case BIOS has started it */ 695 696 /* restore saved state */ 697 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); 698 UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); 699 UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); 700 701 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 702 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 703 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 704 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 705 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 706 uhci_run(sc, 1); /* and start traffic again */ 707 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 708 sc->sc_bus.use_polling--; 709 if (sc->sc_intr_xfer != NULL) 710 usb_callout(sc->sc_poll_handle, sc->sc_ival, 711 uhci_poll_hub, sc->sc_intr_xfer); 712 #ifdef UHCI_DEBUG 713 if (uhcidebug > 2) 714 uhci_dumpregs(sc); 715 #endif 716 } 717 splx(s); 718 } 719 720 #ifdef UHCI_DEBUG 721 Static void 722 uhci_dumpregs(sc) 723 uhci_softc_t *sc; 724 { 725 DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 726 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 727 USBDEVNAME(sc->sc_bus.bdev), 728 UREAD2(sc, UHCI_CMD), 729 UREAD2(sc, UHCI_STS), 730 UREAD2(sc, UHCI_INTR), 731 UREAD2(sc, UHCI_FRNUM), 732 UREAD4(sc, UHCI_FLBASEADDR), 733 UREAD1(sc, UHCI_SOF), 734 UREAD2(sc, UHCI_PORTSC1), 735 UREAD2(sc, UHCI_PORTSC2))); 736 } 737 738 void 739 uhci_dump_td(p) 740 uhci_soft_td_t *p; 741 { 742 DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 743 "token=0x%08lx buffer=0x%08lx\n", 744 p, (long)p->physaddr, 745 (long)le32toh(p->td.td_link), 746 (long)le32toh(p->td.td_status), 747 (long)le32toh(p->td.td_token), 748 (long)le32toh(p->td.td_buffer))); 749 DPRINTFN(-1,(" %b %b,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 750 "D=%d,maxlen=%d\n", 751 (int)le32toh(p->td.td_link), 752 "\20\1T\2Q\3VF", 753 (int)le32toh(p->td.td_status), 754 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 755 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 756 UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), 757 UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), 758 UHCI_TD_GET_PID(le32toh(p->td.td_token)), 759 UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), 760 UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), 761 UHCI_TD_GET_DT(le32toh(p->td.td_token)), 762 UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); 763 } 764 765 void 766 uhci_dump_qh(sqh) 767 uhci_soft_qh_t *sqh; 768 { 769 DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, 770 (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), 771 le32toh(sqh->qh.qh_elink))); 772 } 773 774 775 #if 1 776 void 777 uhci_dump() 778 { 779 uhci_dump_all(thesc); 780 } 781 #endif 782 783 void 784 uhci_dump_all(sc) 785 uhci_softc_t *sc; 786 { 787 uhci_dumpregs(sc); 788 printf("intrs=%d\n", sc->sc_bus.no_intrs); 789 /*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/ 790 uhci_dump_qh(sc->sc_ctl_start); 791 } 792 793 794 void 795 uhci_dump_qhs(sqh) 796 uhci_soft_qh_t *sqh; 797 { 798 uhci_dump_qh(sqh); 799 800 /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards 801 * Traverses sideways first, then down. 802 * 803 * QH1 804 * QH2 805 * No QH 806 * TD2.1 807 * TD2.2 808 * TD1.1 809 * etc. 810 * 811 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. 812 */ 813 814 815 if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) 816 uhci_dump_qhs(sqh->hlink); 817 else 818 DPRINTF(("No QH\n")); 819 820 if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) 821 uhci_dump_tds(sqh->elink); 822 else 823 DPRINTF(("No TD\n")); 824 } 825 826 void 827 uhci_dump_tds(std) 828 uhci_soft_td_t *std; 829 { 830 uhci_soft_td_t *td; 831 832 for(td = std; td != NULL; td = td->link.std) { 833 uhci_dump_td(td); 834 835 /* Check whether the link pointer in this TD marks 836 * the link pointer as end of queue. This avoids 837 * printing the free list in case the queue/TD has 838 * already been moved there (seatbelt). 839 */ 840 if (le32toh(td->td.td_link) & UHCI_PTR_T || 841 le32toh(td->td.td_link) == 0) 842 break; 843 } 844 } 845 846 Static void 847 uhci_dump_ii(ii) 848 uhci_intr_info_t *ii; 849 { 850 usbd_pipe_handle pipe; 851 usb_endpoint_descriptor_t *ed; 852 usbd_device_handle dev; 853 854 #ifdef DIAGNOSTIC 855 #define DONE ii->isdone 856 #else 857 #define DONE 0 858 #endif 859 if (ii == NULL) { 860 printf("ii NULL\n"); 861 return; 862 } 863 if (ii->xfer == NULL) { 864 printf("ii %p: done=%d xfer=NULL\n", 865 ii, DONE); 866 return; 867 } 868 pipe = ii->xfer->pipe; 869 if (pipe == NULL) { 870 printf("ii %p: done=%d xfer=%p pipe=NULL\n", 871 ii, DONE, ii->xfer); 872 return; 873 } 874 ed = pipe->endpoint->edesc; 875 dev = pipe->device; 876 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", 877 ii, DONE, ii->xfer, dev, 878 UGETW(dev->ddesc.idVendor), 879 UGETW(dev->ddesc.idProduct), 880 dev->address, pipe, 881 ed->bEndpointAddress, ed->bmAttributes); 882 #undef DONE 883 } 884 885 void uhci_dump_iis(struct uhci_softc *); 886 void 887 uhci_dump_iis(sc) 888 struct uhci_softc *sc; 889 { 890 uhci_intr_info_t *ii; 891 892 printf("intr_info list:\n"); 893 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 894 uhci_dump_ii(ii); 895 } 896 897 void iidump(void); 898 void iidump() { uhci_dump_iis(thesc); } 899 900 #endif 901 902 /* 903 * This routine is executed periodically and simulates interrupts 904 * from the root controller interrupt pipe for port status change. 905 */ 906 void 907 uhci_poll_hub(addr) 908 void *addr; 909 { 910 usbd_xfer_handle xfer = addr; 911 usbd_pipe_handle pipe = xfer->pipe; 912 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 913 int s; 914 u_char *p; 915 916 DPRINTFN(20, ("uhci_poll_hub\n")); 917 918 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 919 920 p = KERNADDR(&xfer->dmabuf); 921 p[0] = 0; 922 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 923 p[0] |= 1<<1; 924 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 925 p[0] |= 1<<2; 926 if (p[0] == 0) 927 /* No change, try again in a while */ 928 return; 929 930 xfer->actlen = 1; 931 xfer->status = USBD_NORMAL_COMPLETION; 932 s = splusb(); 933 xfer->device->bus->intr_context++; 934 usb_transfer_complete(xfer); 935 xfer->device->bus->intr_context--; 936 splx(s); 937 } 938 939 void 940 uhci_root_intr_done(xfer) 941 usbd_xfer_handle xfer; 942 { 943 } 944 945 void 946 uhci_root_ctrl_done(xfer) 947 usbd_xfer_handle xfer; 948 { 949 } 950 951 /* Add control QH, called at splusb(). */ 952 void 953 uhci_add_ctrl(sc, sqh) 954 uhci_softc_t *sc; 955 uhci_soft_qh_t *sqh; 956 { 957 uhci_soft_qh_t *eqh; 958 959 SPLUSBCHECK; 960 961 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 962 eqh = sc->sc_ctl_end; 963 sqh->hlink = eqh->hlink; 964 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 965 eqh->hlink = sqh; 966 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 967 sc->sc_ctl_end = sqh; 968 } 969 970 /* Remove control QH, called at splusb(). */ 971 void 972 uhci_remove_ctrl(sc, sqh) 973 uhci_softc_t *sc; 974 uhci_soft_qh_t *sqh; 975 { 976 uhci_soft_qh_t *pqh; 977 978 SPLUSBCHECK; 979 980 DPRINTFN(10, ("uhci_remove_ctrl: sqh=%p\n", sqh)); 981 pqh = uhci_find_prev_qh(sc->sc_ctl_start, sqh); 982 pqh->hlink = sqh->hlink; 983 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 984 if (sc->sc_ctl_end == sqh) 985 sc->sc_ctl_end = pqh; 986 } 987 988 /* Add bulk QH, called at splusb(). */ 989 void 990 uhci_add_bulk(sc, sqh) 991 uhci_softc_t *sc; 992 uhci_soft_qh_t *sqh; 993 { 994 uhci_soft_qh_t *eqh; 995 996 SPLUSBCHECK; 997 998 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 999 eqh = sc->sc_bulk_end; 1000 sqh->hlink = eqh->hlink; 1001 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1002 eqh->hlink = sqh; 1003 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 1004 sc->sc_bulk_end = sqh; 1005 } 1006 1007 /* Remove bulk QH, called at splusb(). */ 1008 void 1009 uhci_remove_bulk(sc, sqh) 1010 uhci_softc_t *sc; 1011 uhci_soft_qh_t *sqh; 1012 { 1013 uhci_soft_qh_t *pqh; 1014 1015 SPLUSBCHECK; 1016 1017 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 1018 pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); 1019 pqh->hlink = sqh->hlink; 1020 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1021 if (sc->sc_bulk_end == sqh) 1022 sc->sc_bulk_end = pqh; 1023 } 1024 1025 int 1026 uhci_intr(arg) 1027 void *arg; 1028 { 1029 uhci_softc_t *sc = arg; 1030 int status; 1031 int ack; 1032 1033 #ifdef UHCI_DEBUG 1034 if (uhcidebug > 15) { 1035 DPRINTF(("%s: uhci_intr\n", USBDEVNAME(sc->sc_bus.bdev))); 1036 uhci_dumpregs(sc); 1037 } 1038 #endif 1039 1040 status = UREAD2(sc, UHCI_STS); 1041 if (status == 0) /* The interrupt was not for us. */ 1042 return (0); 1043 1044 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1045 if (sc->sc_suspend != PWR_RESUME) 1046 printf("uhci_intr: suspended sts=0x%x\n", status); 1047 #endif 1048 1049 ack = 0; 1050 if (status & UHCI_STS_USBINT) 1051 ack |= UHCI_STS_USBINT; 1052 if (status & UHCI_STS_USBEI) 1053 ack |= UHCI_STS_USBEI; 1054 if (status & UHCI_STS_RD) { 1055 ack |= UHCI_STS_RD; 1056 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1057 } 1058 if (status & UHCI_STS_HSE) { 1059 ack |= UHCI_STS_HSE; 1060 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1061 } 1062 if (status & UHCI_STS_HCPE) { 1063 ack |= UHCI_STS_HCPE; 1064 printf("%s: host controller process error\n", 1065 USBDEVNAME(sc->sc_bus.bdev)); 1066 } 1067 if (status & UHCI_STS_HCH) { 1068 /* no acknowledge needed */ 1069 printf("%s: host controller halted\n", 1070 USBDEVNAME(sc->sc_bus.bdev)); 1071 sc->sc_dying = 1; 1072 #ifdef UHCI_DEBUG 1073 uhci_dump_all(sc); 1074 #endif 1075 1076 } 1077 1078 if (ack) /* acknowledge the ints */ 1079 UWRITE2(sc, UHCI_STS, ack); 1080 else /* nothing to acknowledge */ 1081 return (0); 1082 1083 sc->sc_bus.no_intrs++; 1084 usb_schedsoftintr(&sc->sc_bus); 1085 1086 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1087 1088 return (1); 1089 } 1090 1091 void 1092 uhci_softintr(bus) 1093 struct usbd_bus *bus; 1094 { 1095 uhci_softc_t *sc = (uhci_softc_t *)bus; 1096 uhci_intr_info_t *ii; 1097 1098 DPRINTFN(10,("%s: uhci_softintr\n", USBDEVNAME(sc->sc_bus.bdev))); 1099 1100 sc->sc_bus.intr_context++; 1101 1102 /* 1103 * Interrupts on UHCI really suck. When the host controller 1104 * interrupts because a transfer is completed there is no 1105 * way of knowing which transfer it was. You can scan down 1106 * the TDs and QHs of the previous frame to limit the search, 1107 * but that assumes that the interrupt was not delayed by more 1108 * than 1 ms, which may not always be true (e.g. after debug 1109 * output on a slow console). 1110 * We scan all interrupt descriptors to see if any have 1111 * completed. 1112 */ 1113 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1114 uhci_check_intr(sc, ii); 1115 1116 sc->sc_bus.intr_context--; 1117 } 1118 1119 /* Check for an interrupt. */ 1120 void 1121 uhci_check_intr(sc, ii) 1122 uhci_softc_t *sc; 1123 uhci_intr_info_t *ii; 1124 { 1125 uhci_soft_td_t *std, *lstd; 1126 u_int32_t status; 1127 1128 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1129 #ifdef DIAGNOSTIC 1130 if (ii == NULL) { 1131 printf("uhci_check_intr: no ii? %p\n", ii); 1132 return; 1133 } 1134 #endif 1135 if (ii->stdstart == NULL) 1136 return; 1137 lstd = ii->stdend; 1138 #ifdef DIAGNOSTIC 1139 if (lstd == NULL) { 1140 printf("uhci_check_intr: std==0\n"); 1141 return; 1142 } 1143 #endif 1144 /* 1145 * If the last TD is still active we need to check whether there 1146 * is a an error somewhere in the middle, or whether there was a 1147 * short packet (SPD and not ACTIVE). 1148 */ 1149 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1150 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1151 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1152 status = le32toh(std->td.td_status); 1153 /* If there's an active TD the xfer isn't done. */ 1154 if (status & UHCI_TD_ACTIVE) 1155 break; 1156 /* Any kind of error makes the xfer done. */ 1157 if (status & UHCI_TD_STALLED) 1158 goto done; 1159 /* We want short packets, and it is short: it's done */ 1160 if ((status & UHCI_TD_SPD) && 1161 UHCI_TD_GET_ACTLEN(status) < 1162 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1163 goto done; 1164 } 1165 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1166 ii, ii->stdstart)); 1167 return; 1168 } 1169 done: 1170 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1171 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1172 uhci_idone(ii); 1173 } 1174 1175 /* Called at splusb() */ 1176 void 1177 uhci_idone(ii) 1178 uhci_intr_info_t *ii; 1179 { 1180 usbd_xfer_handle xfer = ii->xfer; 1181 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1182 uhci_soft_td_t *std; 1183 u_int32_t status = 0, nstatus; 1184 int actlen; 1185 1186 #ifdef DIAGNOSTIC 1187 { 1188 int s = splhigh(); 1189 if (ii->isdone) { 1190 splx(s); 1191 #ifdef UHCI_DEBUG 1192 printf("uhci_idone: ii is done!\n "); 1193 uhci_dump_ii(ii); 1194 #else 1195 printf("uhci_idone: ii=%p is done!\n", ii); 1196 #endif 1197 return; 1198 } 1199 ii->isdone = 1; 1200 splx(s); 1201 } 1202 #endif 1203 1204 if (xfer->status == USBD_CANCELLED || 1205 xfer->status == USBD_TIMEOUT) { 1206 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1207 return; 1208 } 1209 1210 if (xfer->nframes != 0) { 1211 /* Isoc transfer, do things differently. */ 1212 uhci_soft_td_t **stds = upipe->u.iso.stds; 1213 int i, n, nframes; 1214 1215 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1216 1217 nframes = xfer->nframes; 1218 actlen = 0; 1219 n = UXFER(xfer)->curframe; 1220 for (i = 0; i < nframes; i++) { 1221 std = stds[n]; 1222 #ifdef UHCI_DEBUG 1223 if (uhcidebug > 5) { 1224 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1225 uhci_dump_td(std); 1226 } 1227 #endif 1228 if (++n >= UHCI_VFRAMELIST_COUNT) 1229 n = 0; 1230 status = le32toh(std->td.td_status); 1231 actlen += UHCI_TD_GET_ACTLEN(status); 1232 } 1233 upipe->u.iso.inuse -= nframes; 1234 xfer->actlen = actlen; 1235 xfer->status = USBD_NORMAL_COMPLETION; 1236 usb_transfer_complete(xfer); 1237 return; 1238 } 1239 1240 #ifdef UHCI_DEBUG 1241 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1242 ii, xfer, upipe)); 1243 if (uhcidebug > 10) 1244 uhci_dump_tds(ii->stdstart); 1245 #endif 1246 1247 /* The transfer is done, compute actual length and status. */ 1248 actlen = 0; 1249 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1250 nstatus = le32toh(std->td.td_status); 1251 if (nstatus & UHCI_TD_ACTIVE) 1252 break; 1253 1254 status = nstatus; 1255 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1256 UHCI_TD_PID_SETUP) 1257 actlen += UHCI_TD_GET_ACTLEN(status); 1258 } 1259 /* If there are left over TDs we need to update the toggle. */ 1260 if (std != NULL) 1261 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1262 1263 status &= UHCI_TD_ERROR; 1264 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 1265 actlen, status)); 1266 xfer->actlen = actlen; 1267 if (status != 0) { 1268 DPRINTFN((status == UHCI_TD_STALLED)*10, 1269 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1270 "status 0x%b\n", 1271 xfer->pipe->device->address, 1272 xfer->pipe->endpoint->edesc->bEndpointAddress, 1273 (int)status, 1274 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 1275 "STALLED\30ACTIVE")); 1276 if (status == UHCI_TD_STALLED) 1277 xfer->status = USBD_STALLED; 1278 else 1279 xfer->status = USBD_IOERROR; /* more info XXX */ 1280 } else { 1281 xfer->status = USBD_NORMAL_COMPLETION; 1282 } 1283 usb_transfer_complete(xfer); 1284 } 1285 1286 /* 1287 * Called when a request does not complete. 1288 */ 1289 void 1290 uhci_timeout(addr) 1291 void *addr; 1292 { 1293 uhci_intr_info_t *ii = addr; 1294 1295 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1296 1297 #ifdef UHCI_DEBUG 1298 if (uhcidebug > 10) 1299 uhci_dump_tds(ii->stdstart); 1300 #endif 1301 1302 ii->xfer->device->bus->intr_context++; 1303 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1304 ii->xfer->device->bus->intr_context--; 1305 } 1306 1307 /* 1308 * Wait here until controller claims to have an interrupt. 1309 * Then call uhci_intr and return. Use timeout to avoid waiting 1310 * too long. 1311 * Only used during boot when interrupts are not enabled yet. 1312 */ 1313 void 1314 uhci_waitintr(sc, xfer) 1315 uhci_softc_t *sc; 1316 usbd_xfer_handle xfer; 1317 { 1318 int timo = xfer->timeout; 1319 uhci_intr_info_t *ii; 1320 1321 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1322 1323 xfer->status = USBD_IN_PROGRESS; 1324 for (; timo >= 0; timo--) { 1325 usb_delay_ms(&sc->sc_bus, 1); 1326 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1327 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1328 uhci_intr(sc); 1329 if (xfer->status != USBD_IN_PROGRESS) 1330 return; 1331 } 1332 } 1333 1334 /* Timeout */ 1335 DPRINTF(("uhci_waitintr: timeout\n")); 1336 for (ii = LIST_FIRST(&sc->sc_intrhead); 1337 ii != NULL && ii->xfer != xfer; 1338 ii = LIST_NEXT(ii, list)) 1339 ; 1340 #ifdef DIAGNOSTIC 1341 if (ii == NULL) 1342 panic("uhci_waitintr: lost intr_info\n"); 1343 #endif 1344 uhci_idone(ii); 1345 } 1346 1347 void 1348 uhci_poll(bus) 1349 struct usbd_bus *bus; 1350 { 1351 uhci_softc_t *sc = (uhci_softc_t *)bus; 1352 1353 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1354 uhci_intr(sc); 1355 } 1356 1357 #if 0 1358 void 1359 uhci_reset(sc) 1360 uhci_softc_t *sc; 1361 { 1362 int n; 1363 1364 UHCICMD(sc, UHCI_CMD_HCRESET); 1365 /* The reset bit goes low when the controller is done. */ 1366 for (n = 0; n < UHCI_RESET_TIMEOUT && 1367 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1368 usb_delay_ms(&sc->sc_bus, 1); 1369 if (n >= UHCI_RESET_TIMEOUT) 1370 printf("%s: controller did not reset\n", 1371 USBDEVNAME(sc->sc_bus.bdev)); 1372 } 1373 #endif 1374 1375 usbd_status 1376 uhci_run(sc, run) 1377 uhci_softc_t *sc; 1378 int run; 1379 { 1380 int s, n, running; 1381 u_int16_t cmd; 1382 1383 run = run != 0; 1384 s = splusb(); 1385 DPRINTF(("uhci_run: setting run=%d\n", run)); 1386 cmd = UREAD2(sc, UHCI_CMD); 1387 if (run) 1388 cmd |= UHCI_CMD_RS; 1389 else 1390 cmd &= ~UHCI_CMD_RS; 1391 UHCICMD(sc, cmd); 1392 for(n = 0; n < 10; n++) { 1393 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1394 /* return when we've entered the state we want */ 1395 if (run == running) { 1396 splx(s); 1397 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1398 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1399 return (USBD_NORMAL_COMPLETION); 1400 } 1401 usb_delay_ms(&sc->sc_bus, 1); 1402 } 1403 splx(s); 1404 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1405 run ? "start" : "stop"); 1406 return (USBD_IOERROR); 1407 } 1408 1409 /* 1410 * Memory management routines. 1411 * uhci_alloc_std allocates TDs 1412 * uhci_alloc_sqh allocates QHs 1413 * These two routines do their own free list management, 1414 * partly for speed, partly because allocating DMAable memory 1415 * has page size granularaity so much memory would be wasted if 1416 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1417 */ 1418 1419 uhci_soft_td_t * 1420 uhci_alloc_std(sc) 1421 uhci_softc_t *sc; 1422 { 1423 uhci_soft_td_t *std; 1424 usbd_status err; 1425 int i, offs; 1426 usb_dma_t dma; 1427 1428 if (sc->sc_freetds == NULL) { 1429 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1430 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1431 UHCI_TD_ALIGN, &dma); 1432 if (err) 1433 return (0); 1434 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1435 offs = i * UHCI_STD_SIZE; 1436 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1437 std->physaddr = DMAADDR(&dma) + offs; 1438 std->link.std = sc->sc_freetds; 1439 sc->sc_freetds = std; 1440 } 1441 } 1442 std = sc->sc_freetds; 1443 sc->sc_freetds = std->link.std; 1444 memset(&std->td, 0, sizeof(uhci_td_t)); 1445 return std; 1446 } 1447 1448 void 1449 uhci_free_std(sc, std) 1450 uhci_softc_t *sc; 1451 uhci_soft_td_t *std; 1452 { 1453 #ifdef DIAGNOSTIC 1454 #define TD_IS_FREE 0x12345678 1455 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1456 printf("uhci_free_std: freeing free TD %p\n", std); 1457 return; 1458 } 1459 std->td.td_token = htole32(TD_IS_FREE); 1460 #endif 1461 std->link.std = sc->sc_freetds; 1462 sc->sc_freetds = std; 1463 } 1464 1465 uhci_soft_qh_t * 1466 uhci_alloc_sqh(sc) 1467 uhci_softc_t *sc; 1468 { 1469 uhci_soft_qh_t *sqh; 1470 usbd_status err; 1471 int i, offs; 1472 usb_dma_t dma; 1473 1474 if (sc->sc_freeqhs == NULL) { 1475 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1476 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1477 UHCI_QH_ALIGN, &dma); 1478 if (err) 1479 return (0); 1480 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1481 offs = i * UHCI_SQH_SIZE; 1482 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1483 sqh->physaddr = DMAADDR(&dma) + offs; 1484 sqh->hlink = sc->sc_freeqhs; 1485 sc->sc_freeqhs = sqh; 1486 } 1487 } 1488 sqh = sc->sc_freeqhs; 1489 sc->sc_freeqhs = sqh->hlink; 1490 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1491 return (sqh); 1492 } 1493 1494 void 1495 uhci_free_sqh(sc, sqh) 1496 uhci_softc_t *sc; 1497 uhci_soft_qh_t *sqh; 1498 { 1499 sqh->hlink = sc->sc_freeqhs; 1500 sc->sc_freeqhs = sqh; 1501 } 1502 1503 void 1504 uhci_free_std_chain(sc, std, stdend) 1505 uhci_softc_t *sc; 1506 uhci_soft_td_t *std; 1507 uhci_soft_td_t *stdend; 1508 { 1509 uhci_soft_td_t *p; 1510 1511 for (; std != stdend; std = p) { 1512 p = std->link.std; 1513 uhci_free_std(sc, std); 1514 } 1515 } 1516 1517 usbd_status 1518 uhci_alloc_std_chain(upipe, sc, len, rd, flags, dma, sp, ep) 1519 struct uhci_pipe *upipe; 1520 uhci_softc_t *sc; 1521 int len, rd; 1522 u_int16_t flags; 1523 usb_dma_t *dma; 1524 uhci_soft_td_t **sp, **ep; 1525 { 1526 uhci_soft_td_t *p, *lastp; 1527 uhci_physaddr_t lastlink; 1528 int i, ntd, l, tog, maxp; 1529 u_int32_t status; 1530 int addr = upipe->pipe.device->address; 1531 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1532 1533 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1534 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1535 upipe->pipe.device->lowspeed, flags)); 1536 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1537 if (maxp == 0) { 1538 printf("uhci_alloc_std_chain: maxp=0\n"); 1539 return (USBD_INVAL); 1540 } 1541 ntd = (len + maxp - 1) / maxp; 1542 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1543 ntd++; 1544 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1545 if (ntd == 0) { 1546 *sp = *ep = 0; 1547 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1548 return (USBD_NORMAL_COMPLETION); 1549 } 1550 tog = upipe->nexttoggle; 1551 if (ntd % 2 == 0) 1552 tog ^= 1; 1553 upipe->nexttoggle = tog ^ 1; 1554 lastp = 0; 1555 lastlink = UHCI_PTR_T; 1556 ntd--; 1557 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1558 if (upipe->pipe.device->lowspeed) 1559 status |= UHCI_TD_LS; 1560 if (flags & USBD_SHORT_XFER_OK) 1561 status |= UHCI_TD_SPD; 1562 for (i = ntd; i >= 0; i--) { 1563 p = uhci_alloc_std(sc); 1564 if (p == NULL) { 1565 uhci_free_std_chain(sc, lastp, 0); 1566 return (USBD_NOMEM); 1567 } 1568 p->link.std = lastp; 1569 if (lastlink == UHCI_PTR_T) 1570 p->td.td_link = htole32(lastlink); 1571 else 1572 p->td.td_link = htole32(lastlink|UHCI_PTR_VF); 1573 lastp = p; 1574 lastlink = p->physaddr; 1575 p->td.td_status = htole32(status); 1576 if (i == ntd) { 1577 /* last TD */ 1578 l = len % maxp; 1579 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1580 l = maxp; 1581 *ep = p; 1582 } else 1583 l = maxp; 1584 p->td.td_token = 1585 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1586 UHCI_TD_OUT(l, endpt, addr, tog)); 1587 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1588 tog ^= 1; 1589 } 1590 *sp = lastp; 1591 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1592 upipe->nexttoggle)); 1593 return (USBD_NORMAL_COMPLETION); 1594 } 1595 1596 void 1597 uhci_device_clear_toggle(pipe) 1598 usbd_pipe_handle pipe; 1599 { 1600 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1601 upipe->nexttoggle = 0; 1602 } 1603 1604 void 1605 uhci_noop(pipe) 1606 usbd_pipe_handle pipe; 1607 { 1608 } 1609 1610 usbd_status 1611 uhci_device_bulk_transfer(xfer) 1612 usbd_xfer_handle xfer; 1613 { 1614 usbd_status err; 1615 1616 /* Insert last in queue. */ 1617 err = usb_insert_transfer(xfer); 1618 if (err) 1619 return (err); 1620 1621 /* 1622 * Pipe isn't running (otherwise err would be USBD_INPROG), 1623 * so start it first. 1624 */ 1625 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1626 } 1627 1628 usbd_status 1629 uhci_device_bulk_start(xfer) 1630 usbd_xfer_handle xfer; 1631 { 1632 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1633 usbd_device_handle dev = upipe->pipe.device; 1634 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1635 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1636 uhci_soft_td_t *data, *dataend; 1637 uhci_soft_qh_t *sqh; 1638 usbd_status err; 1639 int len, isread, endpt; 1640 int s; 1641 1642 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1643 xfer, xfer->length, xfer->flags)); 1644 1645 if (sc->sc_dying) 1646 return (USBD_IOERROR); 1647 1648 #ifdef DIAGNOSTIC 1649 if (xfer->rqflags & URQ_REQUEST) 1650 panic("uhci_device_bulk_transfer: a request\n"); 1651 #endif 1652 1653 len = xfer->length; 1654 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1655 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1656 sqh = upipe->u.bulk.sqh; 1657 1658 upipe->u.bulk.isread = isread; 1659 upipe->u.bulk.length = len; 1660 1661 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1662 &xfer->dmabuf, &data, &dataend); 1663 if (err) 1664 return (err); 1665 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1666 1667 #ifdef UHCI_DEBUG 1668 if (uhcidebug > 8) { 1669 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1670 uhci_dump_tds(data); 1671 } 1672 #endif 1673 1674 /* Set up interrupt info. */ 1675 ii->xfer = xfer; 1676 ii->stdstart = data; 1677 ii->stdend = dataend; 1678 #ifdef DIAGNOSTIC 1679 if (!ii->isdone) { 1680 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1681 } 1682 ii->isdone = 0; 1683 #endif 1684 1685 sqh->elink = data; 1686 sqh->qh.qh_elink = htole32(data->physaddr); 1687 1688 s = splusb(); 1689 uhci_add_bulk(sc, sqh); 1690 uhci_add_intr_info(sc, ii); 1691 1692 if (xfer->timeout && !sc->sc_bus.use_polling) { 1693 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1694 uhci_timeout, ii); 1695 } 1696 xfer->status = USBD_IN_PROGRESS; 1697 splx(s); 1698 1699 #ifdef UHCI_DEBUG 1700 if (uhcidebug > 10) { 1701 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1702 uhci_dump_tds(data); 1703 } 1704 #endif 1705 1706 if (sc->sc_bus.use_polling) 1707 uhci_waitintr(sc, xfer); 1708 1709 return (USBD_IN_PROGRESS); 1710 } 1711 1712 /* Abort a device bulk request. */ 1713 void 1714 uhci_device_bulk_abort(xfer) 1715 usbd_xfer_handle xfer; 1716 { 1717 DPRINTF(("uhci_device_bulk_abort:\n")); 1718 uhci_abort_xfer(xfer, USBD_CANCELLED); 1719 } 1720 1721 /* 1722 * XXX This way of aborting is neither safe, nor good. 1723 * But it will have to do until I figure out what to do. 1724 * I apologize for the delay(). 1725 */ 1726 void 1727 uhci_abort_xfer(xfer, status) 1728 usbd_xfer_handle xfer; 1729 usbd_status status; 1730 { 1731 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1732 uhci_soft_td_t *std; 1733 int s; 1734 1735 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1736 1737 s = splusb(); 1738 1739 /* Transfer is already done. */ 1740 if (xfer->status != USBD_NOT_STARTED && 1741 xfer->status != USBD_IN_PROGRESS) { 1742 splx(s); 1743 return; 1744 } 1745 1746 /* Make interrupt routine ignore it, */ 1747 xfer->status = status; 1748 1749 /* don't timeout, */ 1750 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1751 1752 /* make hardware ignore it, */ 1753 for (std = ii->stdstart; std != NULL; std = std->link.std) 1754 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1755 1756 xfer->hcpriv = ii; 1757 1758 splx(s); 1759 1760 delay(1000); 1761 1762 s = splusb(); 1763 #ifdef DIAGNOSTIC 1764 ii->isdone = 1; 1765 #endif 1766 usb_transfer_complete(xfer); 1767 splx(s); 1768 } 1769 1770 /* Close a device bulk pipe. */ 1771 void 1772 uhci_device_bulk_close(pipe) 1773 usbd_pipe_handle pipe; 1774 { 1775 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1776 usbd_device_handle dev = upipe->pipe.device; 1777 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1778 1779 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1780 } 1781 1782 usbd_status 1783 uhci_device_ctrl_transfer(xfer) 1784 usbd_xfer_handle xfer; 1785 { 1786 usbd_status err; 1787 1788 /* Insert last in queue. */ 1789 err = usb_insert_transfer(xfer); 1790 if (err) 1791 return (err); 1792 1793 /* 1794 * Pipe isn't running (otherwise err would be USBD_INPROG), 1795 * so start it first. 1796 */ 1797 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1798 } 1799 1800 usbd_status 1801 uhci_device_ctrl_start(xfer) 1802 usbd_xfer_handle xfer; 1803 { 1804 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1805 usbd_status err; 1806 1807 if (sc->sc_dying) 1808 return (USBD_IOERROR); 1809 1810 #ifdef DIAGNOSTIC 1811 if (!(xfer->rqflags & URQ_REQUEST)) 1812 panic("uhci_device_ctrl_transfer: not a request\n"); 1813 #endif 1814 1815 err = uhci_device_request(xfer); 1816 if (err) 1817 return (err); 1818 1819 if (sc->sc_bus.use_polling) 1820 uhci_waitintr(sc, xfer); 1821 return (USBD_IN_PROGRESS); 1822 } 1823 1824 usbd_status 1825 uhci_device_intr_transfer(xfer) 1826 usbd_xfer_handle xfer; 1827 { 1828 usbd_status err; 1829 1830 /* Insert last in queue. */ 1831 err = usb_insert_transfer(xfer); 1832 if (err) 1833 return (err); 1834 1835 /* 1836 * Pipe isn't running (otherwise err would be USBD_INPROG), 1837 * so start it first. 1838 */ 1839 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1840 } 1841 1842 usbd_status 1843 uhci_device_intr_start(xfer) 1844 usbd_xfer_handle xfer; 1845 { 1846 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1847 usbd_device_handle dev = upipe->pipe.device; 1848 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1849 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1850 uhci_soft_td_t *data, *dataend; 1851 uhci_soft_qh_t *sqh; 1852 usbd_status err; 1853 int i, s; 1854 1855 if (sc->sc_dying) 1856 return (USBD_IOERROR); 1857 1858 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1859 xfer, xfer->length, xfer->flags)); 1860 1861 #ifdef DIAGNOSTIC 1862 if (xfer->rqflags & URQ_REQUEST) 1863 panic("uhci_device_intr_transfer: a request\n"); 1864 #endif 1865 1866 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 1867 &xfer->dmabuf, &data, &dataend); 1868 if (err) 1869 return (err); 1870 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1871 1872 #ifdef UHCI_DEBUG 1873 if (uhcidebug > 10) { 1874 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 1875 uhci_dump_tds(data); 1876 uhci_dump_qh(upipe->u.intr.qhs[0]); 1877 } 1878 #endif 1879 1880 s = splusb(); 1881 /* Set up interrupt info. */ 1882 ii->xfer = xfer; 1883 ii->stdstart = data; 1884 ii->stdend = dataend; 1885 #ifdef DIAGNOSTIC 1886 if (!ii->isdone) { 1887 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 1888 } 1889 ii->isdone = 0; 1890 #endif 1891 1892 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1893 upipe->u.intr.qhs[0])); 1894 for (i = 0; i < upipe->u.intr.npoll; i++) { 1895 sqh = upipe->u.intr.qhs[i]; 1896 sqh->elink = data; 1897 sqh->qh.qh_elink = htole32(data->physaddr); 1898 } 1899 uhci_add_intr_info(sc, ii); 1900 xfer->status = USBD_IN_PROGRESS; 1901 splx(s); 1902 1903 #ifdef UHCI_DEBUG 1904 if (uhcidebug > 10) { 1905 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 1906 uhci_dump_tds(data); 1907 uhci_dump_qh(upipe->u.intr.qhs[0]); 1908 } 1909 #endif 1910 1911 return (USBD_IN_PROGRESS); 1912 } 1913 1914 /* Abort a device control request. */ 1915 void 1916 uhci_device_ctrl_abort(xfer) 1917 usbd_xfer_handle xfer; 1918 { 1919 DPRINTF(("uhci_device_ctrl_abort:\n")); 1920 uhci_abort_xfer(xfer, USBD_CANCELLED); 1921 } 1922 1923 /* Close a device control pipe. */ 1924 void 1925 uhci_device_ctrl_close(pipe) 1926 usbd_pipe_handle pipe; 1927 { 1928 } 1929 1930 /* Abort a device interrupt request. */ 1931 void 1932 uhci_device_intr_abort(xfer) 1933 usbd_xfer_handle xfer; 1934 { 1935 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 1936 if (xfer->pipe->intrxfer == xfer) { 1937 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1938 xfer->pipe->intrxfer = 0; 1939 } 1940 uhci_abort_xfer(xfer, USBD_CANCELLED); 1941 } 1942 1943 /* Close a device interrupt pipe. */ 1944 void 1945 uhci_device_intr_close(pipe) 1946 usbd_pipe_handle pipe; 1947 { 1948 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1949 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1950 int i, npoll; 1951 int s; 1952 1953 /* Unlink descriptors from controller data structures. */ 1954 npoll = upipe->u.intr.npoll; 1955 s = splusb(); 1956 for (i = 0; i < npoll; i++) 1957 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 1958 splx(s); 1959 1960 /* 1961 * We now have to wait for any activity on the physical 1962 * descriptors to stop. 1963 */ 1964 usb_delay_ms(&sc->sc_bus, 2); 1965 1966 for(i = 0; i < npoll; i++) 1967 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1968 free(upipe->u.intr.qhs, M_USBHC); 1969 1970 /* XXX free other resources */ 1971 } 1972 1973 usbd_status 1974 uhci_device_request(xfer) 1975 usbd_xfer_handle xfer; 1976 { 1977 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1978 usb_device_request_t *req = &xfer->request; 1979 usbd_device_handle dev = upipe->pipe.device; 1980 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1981 int addr = dev->address; 1982 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1983 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1984 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 1985 uhci_soft_qh_t *sqh; 1986 int len; 1987 u_int32_t ls; 1988 usbd_status err; 1989 int isread; 1990 int s; 1991 1992 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1993 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1994 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1995 UGETW(req->wIndex), UGETW(req->wLength), 1996 addr, endpt)); 1997 1998 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1999 isread = req->bmRequestType & UT_READ; 2000 len = UGETW(req->wLength); 2001 2002 setup = upipe->u.ctl.setup; 2003 stat = upipe->u.ctl.stat; 2004 sqh = upipe->u.ctl.sqh; 2005 2006 /* Set up data transaction */ 2007 if (len != 0) { 2008 upipe->nexttoggle = 1; 2009 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 2010 &xfer->dmabuf, &data, &dataend); 2011 if (err) 2012 return (err); 2013 next = data; 2014 dataend->link.std = stat; 2015 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF); 2016 } else { 2017 next = stat; 2018 } 2019 upipe->u.ctl.length = len; 2020 2021 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2022 2023 setup->link.std = next; 2024 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF); 2025 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2026 UHCI_TD_ACTIVE); 2027 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2028 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2029 2030 stat->link.std = NULL; 2031 stat->td.td_link = htole32(UHCI_PTR_T); 2032 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2033 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2034 stat->td.td_token = 2035 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2036 UHCI_TD_IN (0, endpt, addr, 1)); 2037 stat->td.td_buffer = htole32(0); 2038 2039 #ifdef UHCI_DEBUG 2040 if (uhcidebug > 10) { 2041 DPRINTF(("uhci_device_request: before transfer\n")); 2042 uhci_dump_tds(setup); 2043 } 2044 #endif 2045 2046 /* Set up interrupt info. */ 2047 ii->xfer = xfer; 2048 ii->stdstart = setup; 2049 ii->stdend = stat; 2050 #ifdef DIAGNOSTIC 2051 if (!ii->isdone) { 2052 printf("uhci_device_request: not done, ii=%p\n", ii); 2053 } 2054 ii->isdone = 0; 2055 #endif 2056 2057 sqh->elink = setup; 2058 sqh->qh.qh_elink = htole32(setup->physaddr); 2059 2060 s = splusb(); 2061 uhci_add_ctrl(sc, sqh); 2062 uhci_add_intr_info(sc, ii); 2063 #ifdef UHCI_DEBUG 2064 if (uhcidebug > 12) { 2065 uhci_soft_td_t *std; 2066 uhci_soft_qh_t *xqh; 2067 uhci_soft_qh_t *sxqh; 2068 int maxqh = 0; 2069 uhci_physaddr_t link; 2070 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2071 for (std = sc->sc_vframes[0].htd, link = 0; 2072 (link & UHCI_PTR_Q) == 0; 2073 std = std->link.std) { 2074 link = le32toh(std->td.td_link); 2075 uhci_dump_td(std); 2076 } 2077 sxqh = (uhci_soft_qh_t *)std; 2078 uhci_dump_qh(sxqh); 2079 for (xqh = sxqh; 2080 xqh != NULL; 2081 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 2082 xqh->hlink==xqh ? NULL : xqh->hlink)) { 2083 uhci_dump_qh(xqh); 2084 } 2085 DPRINTF(("Enqueued QH:\n")); 2086 uhci_dump_qh(sqh); 2087 uhci_dump_tds(sqh->elink); 2088 } 2089 #endif 2090 if (xfer->timeout && !sc->sc_bus.use_polling) { 2091 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2092 uhci_timeout, ii); 2093 } 2094 xfer->status = USBD_IN_PROGRESS; 2095 splx(s); 2096 2097 return (USBD_NORMAL_COMPLETION); 2098 } 2099 2100 usbd_status 2101 uhci_device_isoc_transfer(xfer) 2102 usbd_xfer_handle xfer; 2103 { 2104 usbd_status err; 2105 2106 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2107 2108 /* Put it on our queue, */ 2109 err = usb_insert_transfer(xfer); 2110 2111 /* bail out on error, */ 2112 if (err && err != USBD_IN_PROGRESS) 2113 return (err); 2114 2115 /* XXX should check inuse here */ 2116 2117 /* insert into schedule, */ 2118 uhci_device_isoc_enter(xfer); 2119 2120 /* and start if the pipe wasn't running */ 2121 if (!err) 2122 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2123 2124 return (err); 2125 } 2126 2127 void 2128 uhci_device_isoc_enter(xfer) 2129 usbd_xfer_handle xfer; 2130 { 2131 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2132 usbd_device_handle dev = upipe->pipe.device; 2133 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2134 struct iso *iso = &upipe->u.iso; 2135 uhci_soft_td_t *std; 2136 u_int32_t buf, len, status; 2137 int s, i, next, nframes; 2138 2139 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2140 "nframes=%d\n", 2141 iso->inuse, iso->next, xfer, xfer->nframes)); 2142 2143 if (sc->sc_dying) 2144 return; 2145 2146 if (xfer->status == USBD_IN_PROGRESS) { 2147 /* This request has already been entered into the frame list */ 2148 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2149 /* XXX */ 2150 } 2151 2152 #ifdef DIAGNOSTIC 2153 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2154 printf("uhci_device_isoc_enter: overflow!\n"); 2155 #endif 2156 2157 next = iso->next; 2158 if (next == -1) { 2159 /* Not in use yet, schedule it a few frames ahead. */ 2160 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2161 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2162 } 2163 2164 xfer->status = USBD_IN_PROGRESS; 2165 UXFER(xfer)->curframe = next; 2166 2167 buf = DMAADDR(&xfer->dmabuf); 2168 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2169 UHCI_TD_ACTIVE | 2170 UHCI_TD_IOS); 2171 nframes = xfer->nframes; 2172 s = splusb(); 2173 for (i = 0; i < nframes; i++) { 2174 std = iso->stds[next]; 2175 if (++next >= UHCI_VFRAMELIST_COUNT) 2176 next = 0; 2177 len = xfer->frlengths[i]; 2178 std->td.td_buffer = htole32(buf); 2179 if (i == nframes - 1) 2180 status |= UHCI_TD_IOC; 2181 std->td.td_status = htole32(status); 2182 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2183 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2184 #ifdef UHCI_DEBUG 2185 if (uhcidebug > 5) { 2186 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2187 uhci_dump_td(std); 2188 } 2189 #endif 2190 buf += len; 2191 } 2192 iso->next = next; 2193 iso->inuse += xfer->nframes; 2194 2195 splx(s); 2196 } 2197 2198 usbd_status 2199 uhci_device_isoc_start(xfer) 2200 usbd_xfer_handle xfer; 2201 { 2202 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2203 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2204 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2205 uhci_soft_td_t *end; 2206 int s, i; 2207 2208 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2209 2210 if (sc->sc_dying) 2211 return (USBD_IOERROR); 2212 2213 #ifdef DIAGNOSTIC 2214 if (xfer->status != USBD_IN_PROGRESS) 2215 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2216 #endif 2217 2218 /* Find the last TD */ 2219 i = UXFER(xfer)->curframe + xfer->nframes; 2220 if (i >= UHCI_VFRAMELIST_COUNT) 2221 i -= UHCI_VFRAMELIST_COUNT; 2222 end = upipe->u.iso.stds[i]; 2223 2224 #ifdef DIAGNOSTIC 2225 if (end == NULL) { 2226 printf("uhci_device_isoc_start: end == NULL\n"); 2227 return (USBD_INVAL); 2228 } 2229 #endif 2230 2231 s = splusb(); 2232 2233 /* Set up interrupt info. */ 2234 ii->xfer = xfer; 2235 ii->stdstart = end; 2236 ii->stdend = end; 2237 #ifdef DIAGNOSTIC 2238 if (!ii->isdone) 2239 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2240 ii->isdone = 0; 2241 #endif 2242 uhci_add_intr_info(sc, ii); 2243 2244 splx(s); 2245 2246 return (USBD_IN_PROGRESS); 2247 } 2248 2249 void 2250 uhci_device_isoc_abort(xfer) 2251 usbd_xfer_handle xfer; 2252 { 2253 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2254 uhci_soft_td_t **stds = upipe->u.iso.stds; 2255 uhci_soft_td_t *std; 2256 int i, n, s, nframes, maxlen, len; 2257 2258 s = splusb(); 2259 2260 /* Transfer is already done. */ 2261 if (xfer->status != USBD_NOT_STARTED && 2262 xfer->status != USBD_IN_PROGRESS) { 2263 splx(s); 2264 return; 2265 } 2266 2267 /* Give xfer the requested abort code. */ 2268 xfer->status = USBD_CANCELLED; 2269 2270 /* make hardware ignore it, */ 2271 nframes = xfer->nframes; 2272 n = UXFER(xfer)->curframe; 2273 maxlen = 0; 2274 for (i = 0; i < nframes; i++) { 2275 std = stds[n]; 2276 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2277 len = UHCI_TD_GET_MAXLEN(std->td.td_token); 2278 if (len > maxlen) 2279 maxlen = len; 2280 if (++n >= UHCI_VFRAMELIST_COUNT) 2281 n = 0; 2282 } 2283 2284 /* and wait until we are sure the hardware has finished. */ 2285 delay(maxlen); 2286 2287 #ifdef DIAGNOSTIC 2288 UXFER(xfer)->iinfo.isdone = 1; 2289 #endif 2290 /* Run callback and remove from interrupt list. */ 2291 usb_transfer_complete(xfer); 2292 2293 splx(s); 2294 } 2295 2296 void 2297 uhci_device_isoc_close(pipe) 2298 usbd_pipe_handle pipe; 2299 { 2300 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2301 usbd_device_handle dev = upipe->pipe.device; 2302 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2303 uhci_soft_td_t *std, *vstd; 2304 struct iso *iso; 2305 int i, s; 2306 2307 /* 2308 * Make sure all TDs are marked as inactive. 2309 * Wait for completion. 2310 * Unschedule. 2311 * Deallocate. 2312 */ 2313 iso = &upipe->u.iso; 2314 2315 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2316 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2317 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2318 2319 s = splusb(); 2320 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2321 std = iso->stds[i]; 2322 for (vstd = sc->sc_vframes[i].htd; 2323 vstd != NULL && vstd->link.std != std; 2324 vstd = vstd->link.std) 2325 ; 2326 if (vstd == NULL) { 2327 /*panic*/ 2328 printf("uhci_device_isoc_close: %p not found\n", std); 2329 splx(s); 2330 return; 2331 } 2332 vstd->link = std->link; 2333 vstd->td.td_link = std->td.td_link; 2334 uhci_free_std(sc, std); 2335 } 2336 splx(s); 2337 2338 free(iso->stds, M_USBHC); 2339 } 2340 2341 usbd_status 2342 uhci_setup_isoc(pipe) 2343 usbd_pipe_handle pipe; 2344 { 2345 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2346 usbd_device_handle dev = upipe->pipe.device; 2347 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2348 int addr = upipe->pipe.device->address; 2349 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2350 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2351 uhci_soft_td_t *std, *vstd; 2352 u_int32_t token; 2353 struct iso *iso; 2354 int i, s; 2355 2356 iso = &upipe->u.iso; 2357 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2358 M_USBHC, M_WAITOK); 2359 2360 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2361 UHCI_TD_OUT(0, endpt, addr, 0); 2362 2363 /* Allocate the TDs and mark as inactive; */ 2364 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2365 std = uhci_alloc_std(sc); 2366 if (std == 0) 2367 goto bad; 2368 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2369 std->td.td_token = htole32(token); 2370 iso->stds[i] = std; 2371 } 2372 2373 /* Insert TDs into schedule. */ 2374 s = splusb(); 2375 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2376 std = iso->stds[i]; 2377 vstd = sc->sc_vframes[i].htd; 2378 std->link = vstd->link; 2379 std->td.td_link = vstd->td.td_link; 2380 vstd->link.std = std; 2381 vstd->td.td_link = htole32(std->physaddr); 2382 } 2383 splx(s); 2384 2385 iso->next = -1; 2386 iso->inuse = 0; 2387 2388 return (USBD_NORMAL_COMPLETION); 2389 2390 bad: 2391 while (--i >= 0) 2392 uhci_free_std(sc, iso->stds[i]); 2393 free(iso->stds, M_USBHC); 2394 return (USBD_NOMEM); 2395 } 2396 2397 void 2398 uhci_device_isoc_done(xfer) 2399 usbd_xfer_handle xfer; 2400 { 2401 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2402 2403 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2404 2405 if (ii->xfer != xfer) 2406 /* Not on interrupt list, ignore it. */ 2407 return; 2408 2409 #ifdef DIAGNOSTIC 2410 if (xfer->busy_free != XFER_BUSY) { 2411 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2412 xfer, xfer->busy_free); 2413 return; 2414 } 2415 2416 if (ii->stdend == NULL) { 2417 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2418 #ifdef UHCI_DEBUG 2419 uhci_dump_ii(ii); 2420 #endif 2421 return; 2422 } 2423 #endif 2424 2425 /* Turn off the interrupt since it is active even if the TD is not. */ 2426 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2427 2428 uhci_del_intr_info(ii); /* remove from active list */ 2429 } 2430 2431 void 2432 uhci_device_intr_done(xfer) 2433 usbd_xfer_handle xfer; 2434 { 2435 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2436 uhci_softc_t *sc = ii->sc; 2437 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2438 uhci_soft_qh_t *sqh; 2439 int i, npoll; 2440 2441 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2442 2443 npoll = upipe->u.intr.npoll; 2444 for(i = 0; i < npoll; i++) { 2445 sqh = upipe->u.intr.qhs[i]; 2446 sqh->elink = 0; 2447 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2448 } 2449 uhci_free_std_chain(sc, ii->stdstart, 0); 2450 2451 /* XXX Wasteful. */ 2452 if (xfer->pipe->repeat) { 2453 uhci_soft_td_t *data, *dataend; 2454 2455 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2456 2457 /* This alloc cannot fail since we freed the chain above. */ 2458 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2459 &xfer->dmabuf, &data, &dataend); 2460 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2461 2462 #ifdef UHCI_DEBUG 2463 if (uhcidebug > 10) { 2464 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2465 uhci_dump_tds(data); 2466 uhci_dump_qh(upipe->u.intr.qhs[0]); 2467 } 2468 #endif 2469 2470 ii->stdstart = data; 2471 ii->stdend = dataend; 2472 #ifdef DIAGNOSTIC 2473 if (!ii->isdone) { 2474 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2475 } 2476 ii->isdone = 0; 2477 #endif 2478 for (i = 0; i < npoll; i++) { 2479 sqh = upipe->u.intr.qhs[i]; 2480 sqh->elink = data; 2481 sqh->qh.qh_elink = htole32(data->physaddr); 2482 } 2483 xfer->status = USBD_IN_PROGRESS; 2484 /* The ii is already on the examined list, just leave it. */ 2485 } else { 2486 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2487 uhci_del_intr_info(ii); 2488 } 2489 } 2490 2491 /* Deallocate request data structures */ 2492 void 2493 uhci_device_ctrl_done(xfer) 2494 usbd_xfer_handle xfer; 2495 { 2496 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2497 uhci_softc_t *sc = ii->sc; 2498 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2499 2500 #ifdef DIAGNOSTIC 2501 if (!(xfer->rqflags & URQ_REQUEST)) 2502 panic("uhci_ctrl_done: not a request\n"); 2503 #endif 2504 2505 uhci_del_intr_info(ii); /* remove from active list */ 2506 2507 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2508 2509 if (upipe->u.ctl.length != 0) 2510 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2511 2512 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2513 } 2514 2515 /* Deallocate request data structures */ 2516 void 2517 uhci_device_bulk_done(xfer) 2518 usbd_xfer_handle xfer; 2519 { 2520 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2521 uhci_softc_t *sc = ii->sc; 2522 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2523 2524 uhci_del_intr_info(ii); /* remove from active list */ 2525 2526 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2527 2528 uhci_free_std_chain(sc, ii->stdstart, 0); 2529 2530 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2531 } 2532 2533 /* Add interrupt QH, called with vflock. */ 2534 void 2535 uhci_add_intr(sc, sqh) 2536 uhci_softc_t *sc; 2537 uhci_soft_qh_t *sqh; 2538 { 2539 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2540 uhci_soft_qh_t *eqh; 2541 2542 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2543 2544 eqh = vf->eqh; 2545 sqh->hlink = eqh->hlink; 2546 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2547 eqh->hlink = sqh; 2548 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_Q); 2549 vf->eqh = sqh; 2550 vf->bandwidth++; 2551 } 2552 2553 /* Remove interrupt QH, called with vflock. */ 2554 void 2555 uhci_remove_intr(sc, sqh) 2556 uhci_softc_t *sc; 2557 uhci_soft_qh_t *sqh; 2558 { 2559 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2560 uhci_soft_qh_t *pqh; 2561 2562 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2563 2564 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2565 pqh->hlink = sqh->hlink; 2566 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2567 if (vf->eqh == sqh) 2568 vf->eqh = pqh; 2569 vf->bandwidth--; 2570 } 2571 2572 usbd_status 2573 uhci_device_setintr(sc, upipe, ival) 2574 uhci_softc_t *sc; 2575 struct uhci_pipe *upipe; 2576 int ival; 2577 { 2578 uhci_soft_qh_t *sqh; 2579 int i, npoll, s; 2580 u_int bestbw, bw, bestoffs, offs; 2581 2582 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2583 if (ival == 0) { 2584 printf("uhci_setintr: 0 interval\n"); 2585 return (USBD_INVAL); 2586 } 2587 2588 if (ival > UHCI_VFRAMELIST_COUNT) 2589 ival = UHCI_VFRAMELIST_COUNT; 2590 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2591 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2592 2593 upipe->u.intr.npoll = npoll; 2594 upipe->u.intr.qhs = 2595 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2596 2597 /* 2598 * Figure out which offset in the schedule that has most 2599 * bandwidth left over. 2600 */ 2601 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2602 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2603 for (bw = i = 0; i < npoll; i++) 2604 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2605 if (bw < bestbw) { 2606 bestbw = bw; 2607 bestoffs = offs; 2608 } 2609 } 2610 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2611 2612 for(i = 0; i < npoll; i++) { 2613 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2614 sqh->elink = 0; 2615 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2616 sqh->pos = MOD(i * ival + bestoffs); 2617 } 2618 #undef MOD 2619 2620 s = splusb(); 2621 /* Enter QHs into the controller data structures. */ 2622 for(i = 0; i < npoll; i++) 2623 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2624 splx(s); 2625 2626 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2627 return (USBD_NORMAL_COMPLETION); 2628 } 2629 2630 /* Open a new pipe. */ 2631 usbd_status 2632 uhci_open(pipe) 2633 usbd_pipe_handle pipe; 2634 { 2635 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2636 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2637 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2638 usbd_status err; 2639 int ival; 2640 2641 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2642 pipe, pipe->device->address, 2643 ed->bEndpointAddress, sc->sc_addr)); 2644 2645 upipe->aborting = 0; 2646 upipe->nexttoggle = 0; 2647 2648 if (pipe->device->address == sc->sc_addr) { 2649 switch (ed->bEndpointAddress) { 2650 case USB_CONTROL_ENDPOINT: 2651 pipe->methods = &uhci_root_ctrl_methods; 2652 break; 2653 case UE_DIR_IN | UHCI_INTR_ENDPT: 2654 pipe->methods = &uhci_root_intr_methods; 2655 break; 2656 default: 2657 return (USBD_INVAL); 2658 } 2659 } else { 2660 switch (ed->bmAttributes & UE_XFERTYPE) { 2661 case UE_CONTROL: 2662 pipe->methods = &uhci_device_ctrl_methods; 2663 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2664 if (upipe->u.ctl.sqh == NULL) 2665 goto bad; 2666 upipe->u.ctl.setup = uhci_alloc_std(sc); 2667 if (upipe->u.ctl.setup == NULL) { 2668 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2669 goto bad; 2670 } 2671 upipe->u.ctl.stat = uhci_alloc_std(sc); 2672 if (upipe->u.ctl.stat == NULL) { 2673 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2674 uhci_free_std(sc, upipe->u.ctl.setup); 2675 goto bad; 2676 } 2677 err = usb_allocmem(&sc->sc_bus, 2678 sizeof(usb_device_request_t), 2679 0, &upipe->u.ctl.reqdma); 2680 if (err) { 2681 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2682 uhci_free_std(sc, upipe->u.ctl.setup); 2683 uhci_free_std(sc, upipe->u.ctl.stat); 2684 goto bad; 2685 } 2686 break; 2687 case UE_INTERRUPT: 2688 pipe->methods = &uhci_device_intr_methods; 2689 ival = pipe->interval; 2690 if (ival == USBD_DEFAULT_INTERVAL) 2691 ival = ed->bInterval; 2692 return (uhci_device_setintr(sc, upipe, ival)); 2693 case UE_ISOCHRONOUS: 2694 pipe->methods = &uhci_device_isoc_methods; 2695 return (uhci_setup_isoc(pipe)); 2696 case UE_BULK: 2697 pipe->methods = &uhci_device_bulk_methods; 2698 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2699 if (upipe->u.bulk.sqh == NULL) 2700 goto bad; 2701 break; 2702 } 2703 } 2704 return (USBD_NORMAL_COMPLETION); 2705 2706 bad: 2707 return (USBD_NOMEM); 2708 } 2709 2710 /* 2711 * Data structures and routines to emulate the root hub. 2712 */ 2713 usb_device_descriptor_t uhci_devd = { 2714 USB_DEVICE_DESCRIPTOR_SIZE, 2715 UDESC_DEVICE, /* type */ 2716 {0x00, 0x01}, /* USB version */ 2717 UDCLASS_HUB, /* class */ 2718 UDSUBCLASS_HUB, /* subclass */ 2719 0, /* protocol */ 2720 64, /* max packet */ 2721 {0},{0},{0x00,0x01}, /* device id */ 2722 1,2,0, /* string indicies */ 2723 1 /* # of configurations */ 2724 }; 2725 2726 usb_config_descriptor_t uhci_confd = { 2727 USB_CONFIG_DESCRIPTOR_SIZE, 2728 UDESC_CONFIG, 2729 {USB_CONFIG_DESCRIPTOR_SIZE + 2730 USB_INTERFACE_DESCRIPTOR_SIZE + 2731 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2732 1, 2733 1, 2734 0, 2735 UC_SELF_POWERED, 2736 0 /* max power */ 2737 }; 2738 2739 usb_interface_descriptor_t uhci_ifcd = { 2740 USB_INTERFACE_DESCRIPTOR_SIZE, 2741 UDESC_INTERFACE, 2742 0, 2743 0, 2744 1, 2745 UICLASS_HUB, 2746 UISUBCLASS_HUB, 2747 0, 2748 0 2749 }; 2750 2751 usb_endpoint_descriptor_t uhci_endpd = { 2752 USB_ENDPOINT_DESCRIPTOR_SIZE, 2753 UDESC_ENDPOINT, 2754 UE_DIR_IN | UHCI_INTR_ENDPT, 2755 UE_INTERRUPT, 2756 {8}, 2757 255 2758 }; 2759 2760 usb_hub_descriptor_t uhci_hubd_piix = { 2761 USB_HUB_DESCRIPTOR_SIZE, 2762 UDESC_HUB, 2763 2, 2764 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2765 50, /* power on to power good */ 2766 0, 2767 { 0x00 }, /* both ports are removable */ 2768 }; 2769 2770 int 2771 uhci_str(p, l, s) 2772 usb_string_descriptor_t *p; 2773 int l; 2774 char *s; 2775 { 2776 int i; 2777 2778 if (l == 0) 2779 return (0); 2780 p->bLength = 2 * strlen(s) + 2; 2781 if (l == 1) 2782 return (1); 2783 p->bDescriptorType = UDESC_STRING; 2784 l -= 2; 2785 for (i = 0; s[i] && l > 1; i++, l -= 2) 2786 USETW2(p->bString[i], 0, s[i]); 2787 return (2*i+2); 2788 } 2789 2790 /* 2791 * Simulate a hardware hub by handling all the necessary requests. 2792 */ 2793 usbd_status 2794 uhci_root_ctrl_transfer(xfer) 2795 usbd_xfer_handle xfer; 2796 { 2797 usbd_status err; 2798 2799 /* Insert last in queue. */ 2800 err = usb_insert_transfer(xfer); 2801 if (err) 2802 return (err); 2803 2804 /* 2805 * Pipe isn't running (otherwise err would be USBD_INPROG), 2806 * so start it first. 2807 */ 2808 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2809 } 2810 2811 usbd_status 2812 uhci_root_ctrl_start(xfer) 2813 usbd_xfer_handle xfer; 2814 { 2815 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2816 usb_device_request_t *req; 2817 void *buf = NULL; 2818 int port, x; 2819 int s, len, value, index, status, change, l, totlen = 0; 2820 usb_port_status_t ps; 2821 usbd_status err; 2822 2823 if (sc->sc_dying) 2824 return (USBD_IOERROR); 2825 2826 #ifdef DIAGNOSTIC 2827 if (!(xfer->rqflags & URQ_REQUEST)) 2828 panic("uhci_root_ctrl_transfer: not a request\n"); 2829 #endif 2830 req = &xfer->request; 2831 2832 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2833 req->bmRequestType, req->bRequest)); 2834 2835 len = UGETW(req->wLength); 2836 value = UGETW(req->wValue); 2837 index = UGETW(req->wIndex); 2838 2839 if (len != 0) 2840 buf = KERNADDR(&xfer->dmabuf); 2841 2842 #define C(x,y) ((x) | ((y) << 8)) 2843 switch(C(req->bRequest, req->bmRequestType)) { 2844 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2845 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2846 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2847 /* 2848 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2849 * for the integrated root hub. 2850 */ 2851 break; 2852 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2853 if (len > 0) { 2854 *(u_int8_t *)buf = sc->sc_conf; 2855 totlen = 1; 2856 } 2857 break; 2858 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2859 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2860 switch(value >> 8) { 2861 case UDESC_DEVICE: 2862 if ((value & 0xff) != 0) { 2863 err = USBD_IOERROR; 2864 goto ret; 2865 } 2866 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2867 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2868 memcpy(buf, &uhci_devd, l); 2869 break; 2870 case UDESC_CONFIG: 2871 if ((value & 0xff) != 0) { 2872 err = USBD_IOERROR; 2873 goto ret; 2874 } 2875 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2876 memcpy(buf, &uhci_confd, l); 2877 buf = (char *)buf + l; 2878 len -= l; 2879 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2880 totlen += l; 2881 memcpy(buf, &uhci_ifcd, l); 2882 buf = (char *)buf + l; 2883 len -= l; 2884 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2885 totlen += l; 2886 memcpy(buf, &uhci_endpd, l); 2887 break; 2888 case UDESC_STRING: 2889 if (len == 0) 2890 break; 2891 *(u_int8_t *)buf = 0; 2892 totlen = 1; 2893 switch (value & 0xff) { 2894 case 1: /* Vendor */ 2895 totlen = uhci_str(buf, len, sc->sc_vendor); 2896 break; 2897 case 2: /* Product */ 2898 totlen = uhci_str(buf, len, "UHCI root hub"); 2899 break; 2900 } 2901 break; 2902 default: 2903 err = USBD_IOERROR; 2904 goto ret; 2905 } 2906 break; 2907 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2908 if (len > 0) { 2909 *(u_int8_t *)buf = 0; 2910 totlen = 1; 2911 } 2912 break; 2913 case C(UR_GET_STATUS, UT_READ_DEVICE): 2914 if (len > 1) { 2915 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2916 totlen = 2; 2917 } 2918 break; 2919 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2920 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2921 if (len > 1) { 2922 USETW(((usb_status_t *)buf)->wStatus, 0); 2923 totlen = 2; 2924 } 2925 break; 2926 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2927 if (value >= USB_MAX_DEVICES) { 2928 err = USBD_IOERROR; 2929 goto ret; 2930 } 2931 sc->sc_addr = value; 2932 break; 2933 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2934 if (value != 0 && value != 1) { 2935 err = USBD_IOERROR; 2936 goto ret; 2937 } 2938 sc->sc_conf = value; 2939 break; 2940 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2941 break; 2942 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2943 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2944 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2945 err = USBD_IOERROR; 2946 goto ret; 2947 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2948 break; 2949 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2950 break; 2951 /* Hub requests */ 2952 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2953 break; 2954 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2955 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2956 "port=%d feature=%d\n", 2957 index, value)); 2958 if (index == 1) 2959 port = UHCI_PORTSC1; 2960 else if (index == 2) 2961 port = UHCI_PORTSC2; 2962 else { 2963 err = USBD_IOERROR; 2964 goto ret; 2965 } 2966 switch(value) { 2967 case UHF_PORT_ENABLE: 2968 x = UREAD2(sc, port); 2969 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2970 break; 2971 case UHF_PORT_SUSPEND: 2972 x = UREAD2(sc, port); 2973 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2974 break; 2975 case UHF_PORT_RESET: 2976 x = UREAD2(sc, port); 2977 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2978 break; 2979 case UHF_C_PORT_CONNECTION: 2980 x = UREAD2(sc, port); 2981 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2982 break; 2983 case UHF_C_PORT_ENABLE: 2984 x = UREAD2(sc, port); 2985 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2986 break; 2987 case UHF_C_PORT_OVER_CURRENT: 2988 x = UREAD2(sc, port); 2989 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2990 break; 2991 case UHF_C_PORT_RESET: 2992 sc->sc_isreset = 0; 2993 err = USBD_NORMAL_COMPLETION; 2994 goto ret; 2995 case UHF_PORT_CONNECTION: 2996 case UHF_PORT_OVER_CURRENT: 2997 case UHF_PORT_POWER: 2998 case UHF_PORT_LOW_SPEED: 2999 case UHF_C_PORT_SUSPEND: 3000 default: 3001 err = USBD_IOERROR; 3002 goto ret; 3003 } 3004 break; 3005 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 3006 if (index == 1) 3007 port = UHCI_PORTSC1; 3008 else if (index == 2) 3009 port = UHCI_PORTSC2; 3010 else { 3011 err = USBD_IOERROR; 3012 goto ret; 3013 } 3014 if (len > 0) { 3015 *(u_int8_t *)buf = 3016 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3017 UHCI_PORTSC_LS_SHIFT; 3018 totlen = 1; 3019 } 3020 break; 3021 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3022 if (value != 0) { 3023 err = USBD_IOERROR; 3024 goto ret; 3025 } 3026 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3027 totlen = l; 3028 memcpy(buf, &uhci_hubd_piix, l); 3029 break; 3030 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3031 if (len != 4) { 3032 err = USBD_IOERROR; 3033 goto ret; 3034 } 3035 memset(buf, 0, len); 3036 totlen = len; 3037 break; 3038 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3039 if (index == 1) 3040 port = UHCI_PORTSC1; 3041 else if (index == 2) 3042 port = UHCI_PORTSC2; 3043 else { 3044 err = USBD_IOERROR; 3045 goto ret; 3046 } 3047 if (len != 4) { 3048 err = USBD_IOERROR; 3049 goto ret; 3050 } 3051 x = UREAD2(sc, port); 3052 status = change = 0; 3053 if (x & UHCI_PORTSC_CCS ) 3054 status |= UPS_CURRENT_CONNECT_STATUS; 3055 if (x & UHCI_PORTSC_CSC ) 3056 change |= UPS_C_CONNECT_STATUS; 3057 if (x & UHCI_PORTSC_PE ) 3058 status |= UPS_PORT_ENABLED; 3059 if (x & UHCI_PORTSC_POEDC) 3060 change |= UPS_C_PORT_ENABLED; 3061 if (x & UHCI_PORTSC_OCI ) 3062 status |= UPS_OVERCURRENT_INDICATOR; 3063 if (x & UHCI_PORTSC_OCIC ) 3064 change |= UPS_C_OVERCURRENT_INDICATOR; 3065 if (x & UHCI_PORTSC_SUSP ) 3066 status |= UPS_SUSPEND; 3067 if (x & UHCI_PORTSC_LSDA ) 3068 status |= UPS_LOW_SPEED; 3069 status |= UPS_PORT_POWER; 3070 if (sc->sc_isreset) 3071 change |= UPS_C_PORT_RESET; 3072 USETW(ps.wPortStatus, status); 3073 USETW(ps.wPortChange, change); 3074 l = min(len, sizeof ps); 3075 memcpy(buf, &ps, l); 3076 totlen = l; 3077 break; 3078 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3079 err = USBD_IOERROR; 3080 goto ret; 3081 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3082 break; 3083 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3084 if (index == 1) 3085 port = UHCI_PORTSC1; 3086 else if (index == 2) 3087 port = UHCI_PORTSC2; 3088 else { 3089 err = USBD_IOERROR; 3090 goto ret; 3091 } 3092 switch(value) { 3093 case UHF_PORT_ENABLE: 3094 x = UREAD2(sc, port); 3095 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3096 break; 3097 case UHF_PORT_SUSPEND: 3098 x = UREAD2(sc, port); 3099 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3100 break; 3101 case UHF_PORT_RESET: 3102 x = UREAD2(sc, port); 3103 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3104 usb_delay_ms(&sc->sc_bus, 10); 3105 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3106 delay(100); 3107 x = UREAD2(sc, port); 3108 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3109 delay(100); 3110 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3111 index, UREAD2(sc, port))); 3112 sc->sc_isreset = 1; 3113 break; 3114 case UHF_PORT_POWER: 3115 /* Pretend we turned on power */ 3116 goto ret; 3117 case UHF_C_PORT_CONNECTION: 3118 case UHF_C_PORT_ENABLE: 3119 case UHF_C_PORT_OVER_CURRENT: 3120 case UHF_PORT_CONNECTION: 3121 case UHF_PORT_OVER_CURRENT: 3122 case UHF_PORT_LOW_SPEED: 3123 case UHF_C_PORT_SUSPEND: 3124 case UHF_C_PORT_RESET: 3125 default: 3126 err = USBD_IOERROR; 3127 goto ret; 3128 } 3129 break; 3130 default: 3131 err = USBD_IOERROR; 3132 goto ret; 3133 } 3134 xfer->actlen = totlen; 3135 err = USBD_NORMAL_COMPLETION; 3136 ret: 3137 xfer->status = err; 3138 s = splusb(); 3139 usb_transfer_complete(xfer); 3140 splx(s); 3141 return (USBD_IN_PROGRESS); 3142 } 3143 3144 /* Abort a root control request. */ 3145 void 3146 uhci_root_ctrl_abort(xfer) 3147 usbd_xfer_handle xfer; 3148 { 3149 /* Nothing to do, all transfers are synchronous. */ 3150 } 3151 3152 /* Close the root pipe. */ 3153 void 3154 uhci_root_ctrl_close(pipe) 3155 usbd_pipe_handle pipe; 3156 { 3157 DPRINTF(("uhci_root_ctrl_close\n")); 3158 } 3159 3160 /* Abort a root interrupt request. */ 3161 void 3162 uhci_root_intr_abort(xfer) 3163 usbd_xfer_handle xfer; 3164 { 3165 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3166 3167 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3168 sc->sc_intr_xfer = NULL; 3169 3170 if (xfer->pipe->intrxfer == xfer) { 3171 DPRINTF(("uhci_root_intr_abort: remove\n")); 3172 xfer->pipe->intrxfer = 0; 3173 } 3174 xfer->status = USBD_CANCELLED; 3175 #ifdef DIAGNOSTIC 3176 UXFER(xfer)->iinfo.isdone = 1; 3177 #endif 3178 usb_transfer_complete(xfer); 3179 } 3180 3181 usbd_status 3182 uhci_root_intr_transfer(xfer) 3183 usbd_xfer_handle xfer; 3184 { 3185 usbd_status err; 3186 3187 /* Insert last in queue. */ 3188 err = usb_insert_transfer(xfer); 3189 if (err) 3190 return (err); 3191 3192 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3193 * start first 3194 */ 3195 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3196 } 3197 3198 /* Start a transfer on the root interrupt pipe */ 3199 usbd_status 3200 uhci_root_intr_start(xfer) 3201 usbd_xfer_handle xfer; 3202 { 3203 usbd_pipe_handle pipe = xfer->pipe; 3204 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3205 3206 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3207 xfer, xfer->length, xfer->flags)); 3208 3209 if (sc->sc_dying) 3210 return (USBD_IOERROR); 3211 3212 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3213 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3214 sc->sc_intr_xfer = xfer; 3215 return (USBD_IN_PROGRESS); 3216 } 3217 3218 /* Close the root interrupt pipe. */ 3219 void 3220 uhci_root_intr_close(pipe) 3221 usbd_pipe_handle pipe; 3222 { 3223 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3224 3225 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3226 sc->sc_intr_xfer = NULL; 3227 DPRINTF(("uhci_root_intr_close\n")); 3228 } 3229
Indexes created Tue Sep 23 02:09:52 GMT 2025