uhci.c revision 1.141
1 /* $NetBSD: uhci.c,v 1.141 2001/10/24 21:04:04 augustss Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart (at) augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * USB Universal Host Controller driver. 43 * Handles e.g. PIIX3 and PIIX4. 44 * 45 * UHCI spec: http://developer.intel.com/design/USB/UHCI11D.htm 46 * USB spec: http://www.usb.org/developers/data/usbspec.zip 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 /* Use bandwidth reclamation for control transfers. Some devices choke on it. */ 82 /*#define UHCI_CTL_LOOP */ 83 84 #if defined(__FreeBSD__) 85 #include <machine/clock.h> 86 87 #define delay(d) DELAY(d) 88 #endif 89 90 #define MS_TO_TICKS(ms) ((ms) * hz / 1000) 91 92 #if defined(__OpenBSD__) 93 struct cfdriver uhci_cd = { 94 NULL, "uhci", DV_DULL 95 }; 96 #endif 97 98 #ifdef UHCI_DEBUG 99 uhci_softc_t *thesc; 100 #define DPRINTF(x) if (uhcidebug) printf x 101 #define DPRINTFN(n,x) if (uhcidebug>(n)) printf x 102 int uhcidebug = 0; 103 int uhcinoloop = 0; 104 #ifndef __NetBSD__ 105 #define bitmask_snprintf(q,f,b,l) snprintf((b), (l), "%b", (q), (f)) 106 #endif 107 #else 108 #define DPRINTF(x) 109 #define DPRINTFN(n,x) 110 #endif 111 112 /* 113 * The UHCI controller is little endian, so on big endian machines 114 * the data strored in memory needs to be swapped. 115 */ 116 #if defined(__FreeBSD__) || defined(__OpenBSD__) 117 #if BYTE_ORDER == BIG_ENDIAN 118 #define htole32(x) (bswap32(x)) 119 #define le32toh(x) (bswap32(x)) 120 #else 121 #define htole32(x) (x) 122 #define le32toh(x) (x) 123 #endif 124 #endif 125 126 struct uhci_pipe { 127 struct usbd_pipe pipe; 128 int nexttoggle; 129 130 u_char aborting; 131 usbd_xfer_handle abortstart, abortend; 132 133 /* Info needed for different pipe kinds. */ 134 union { 135 /* Control pipe */ 136 struct { 137 uhci_soft_qh_t *sqh; 138 usb_dma_t reqdma; 139 uhci_soft_td_t *setup, *stat; 140 u_int length; 141 } ctl; 142 /* Interrupt pipe */ 143 struct { 144 int npoll; 145 uhci_soft_qh_t **qhs; 146 } intr; 147 /* Bulk pipe */ 148 struct { 149 uhci_soft_qh_t *sqh; 150 u_int length; 151 int isread; 152 } bulk; 153 /* Iso pipe */ 154 struct iso { 155 uhci_soft_td_t **stds; 156 int next, inuse; 157 } iso; 158 } u; 159 }; 160 161 Static void uhci_busreset(uhci_softc_t *); 162 Static void uhci_shutdown(void *v); 163 Static void uhci_power(int, void *); 164 Static usbd_status uhci_run(uhci_softc_t *, int run); 165 Static uhci_soft_td_t *uhci_alloc_std(uhci_softc_t *); 166 Static void uhci_free_std(uhci_softc_t *, uhci_soft_td_t *); 167 Static uhci_soft_qh_t *uhci_alloc_sqh(uhci_softc_t *); 168 Static void uhci_free_sqh(uhci_softc_t *, uhci_soft_qh_t *); 169 #if 0 170 Static void uhci_enter_ctl_q(uhci_softc_t *, uhci_soft_qh_t *, 171 uhci_intr_info_t *); 172 Static void uhci_exit_ctl_q(uhci_softc_t *, uhci_soft_qh_t *); 173 #endif 174 175 Static void uhci_free_std_chain(uhci_softc_t *, 176 uhci_soft_td_t *, uhci_soft_td_t *); 177 Static usbd_status uhci_alloc_std_chain(struct uhci_pipe *, 178 uhci_softc_t *, int, int, u_int16_t, usb_dma_t *, 179 uhci_soft_td_t **, uhci_soft_td_t **); 180 Static void uhci_poll_hub(void *); 181 Static void uhci_waitintr(uhci_softc_t *, usbd_xfer_handle); 182 Static void uhci_check_intr(uhci_softc_t *, uhci_intr_info_t *); 183 Static void uhci_idone(uhci_intr_info_t *); 184 185 Static void uhci_abort_xfer(usbd_xfer_handle, usbd_status status); 186 187 Static void uhci_timeout(void *); 188 Static void uhci_add_ls_ctrl(uhci_softc_t *, uhci_soft_qh_t *); 189 Static void uhci_add_hs_ctrl(uhci_softc_t *, uhci_soft_qh_t *); 190 Static void uhci_add_bulk(uhci_softc_t *, uhci_soft_qh_t *); 191 Static void uhci_remove_ls_ctrl(uhci_softc_t *,uhci_soft_qh_t *); 192 Static void uhci_remove_hs_ctrl(uhci_softc_t *,uhci_soft_qh_t *); 193 Static void uhci_remove_bulk(uhci_softc_t *,uhci_soft_qh_t *); 194 Static int uhci_str(usb_string_descriptor_t *, int, char *); 195 Static void uhci_add_loop(uhci_softc_t *sc); 196 Static void uhci_rem_loop(uhci_softc_t *sc); 197 198 Static usbd_status uhci_setup_isoc(usbd_pipe_handle pipe); 199 Static void uhci_device_isoc_enter(usbd_xfer_handle); 200 201 Static usbd_status uhci_allocm(struct usbd_bus *, usb_dma_t *, u_int32_t); 202 Static void uhci_freem(struct usbd_bus *, usb_dma_t *); 203 204 Static usbd_xfer_handle uhci_allocx(struct usbd_bus *); 205 Static void uhci_freex(struct usbd_bus *, usbd_xfer_handle); 206 207 Static usbd_status uhci_device_ctrl_transfer(usbd_xfer_handle); 208 Static usbd_status uhci_device_ctrl_start(usbd_xfer_handle); 209 Static void uhci_device_ctrl_abort(usbd_xfer_handle); 210 Static void uhci_device_ctrl_close(usbd_pipe_handle); 211 Static void uhci_device_ctrl_done(usbd_xfer_handle); 212 213 Static usbd_status uhci_device_intr_transfer(usbd_xfer_handle); 214 Static usbd_status uhci_device_intr_start(usbd_xfer_handle); 215 Static void uhci_device_intr_abort(usbd_xfer_handle); 216 Static void uhci_device_intr_close(usbd_pipe_handle); 217 Static void uhci_device_intr_done(usbd_xfer_handle); 218 219 Static usbd_status uhci_device_bulk_transfer(usbd_xfer_handle); 220 Static usbd_status uhci_device_bulk_start(usbd_xfer_handle); 221 Static void uhci_device_bulk_abort(usbd_xfer_handle); 222 Static void uhci_device_bulk_close(usbd_pipe_handle); 223 Static void uhci_device_bulk_done(usbd_xfer_handle); 224 225 Static usbd_status uhci_device_isoc_transfer(usbd_xfer_handle); 226 Static usbd_status uhci_device_isoc_start(usbd_xfer_handle); 227 Static void uhci_device_isoc_abort(usbd_xfer_handle); 228 Static void uhci_device_isoc_close(usbd_pipe_handle); 229 Static void uhci_device_isoc_done(usbd_xfer_handle); 230 231 Static usbd_status uhci_root_ctrl_transfer(usbd_xfer_handle); 232 Static usbd_status uhci_root_ctrl_start(usbd_xfer_handle); 233 Static void uhci_root_ctrl_abort(usbd_xfer_handle); 234 Static void uhci_root_ctrl_close(usbd_pipe_handle); 235 Static void uhci_root_ctrl_done(usbd_xfer_handle); 236 237 Static usbd_status uhci_root_intr_transfer(usbd_xfer_handle); 238 Static usbd_status uhci_root_intr_start(usbd_xfer_handle); 239 Static void uhci_root_intr_abort(usbd_xfer_handle); 240 Static void uhci_root_intr_close(usbd_pipe_handle); 241 Static void uhci_root_intr_done(usbd_xfer_handle); 242 243 Static usbd_status uhci_open(usbd_pipe_handle); 244 Static void uhci_poll(struct usbd_bus *); 245 Static void uhci_softintr(void *); 246 247 Static usbd_status uhci_device_request(usbd_xfer_handle xfer); 248 249 Static void uhci_add_intr(uhci_softc_t *, uhci_soft_qh_t *); 250 Static void uhci_remove_intr(uhci_softc_t*, uhci_soft_qh_t*); 251 Static usbd_status uhci_device_setintr(uhci_softc_t *sc, 252 struct uhci_pipe *pipe, int ival); 253 254 Static void uhci_device_clear_toggle(usbd_pipe_handle pipe); 255 Static void uhci_noop(usbd_pipe_handle pipe); 256 257 Static __inline__ uhci_soft_qh_t *uhci_find_prev_qh(uhci_soft_qh_t *, 258 uhci_soft_qh_t *); 259 260 #ifdef UHCI_DEBUG 261 Static void uhci_dump_all(uhci_softc_t *); 262 Static void uhci_dumpregs(uhci_softc_t *); 263 Static void uhci_dump_qhs(uhci_soft_qh_t *); 264 Static void uhci_dump_qh(uhci_soft_qh_t *); 265 Static void uhci_dump_tds(uhci_soft_td_t *); 266 Static void uhci_dump_td(uhci_soft_td_t *); 267 Static void uhci_dump_ii(uhci_intr_info_t *ii); 268 void uhci_dump(void); 269 #endif 270 271 #define UBARR(sc) bus_space_barrier((sc)->iot, (sc)->ioh, 0, (sc)->sc_size, \ 272 BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE) 273 #define UWRITE1(sc, r, x) \ 274 do { UBARR(sc); bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 275 #define UWRITE2(sc, r, x) \ 276 do { UBARR(sc); bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 277 #define UWRITE4(sc, r, x) \ 278 do { UBARR(sc); bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 279 #define UREAD1(sc, r) (UBARR(sc), bus_space_read_1((sc)->iot, (sc)->ioh, (r))) 280 #define UREAD2(sc, r) (UBARR(sc), bus_space_read_2((sc)->iot, (sc)->ioh, (r))) 281 #define UREAD4(sc, r) (UBARR(sc), bus_space_read_4((sc)->iot, (sc)->ioh, (r))) 282 283 #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) 284 #define UHCISTS(sc) UREAD2(sc, UHCI_STS) 285 286 #define UHCI_RESET_TIMEOUT 100 /* reset timeout */ 287 288 #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) 289 290 #define UHCI_INTR_ENDPT 1 291 292 struct usbd_bus_methods uhci_bus_methods = { 293 uhci_open, 294 uhci_softintr, 295 uhci_poll, 296 uhci_allocm, 297 uhci_freem, 298 uhci_allocx, 299 uhci_freex, 300 }; 301 302 struct usbd_pipe_methods uhci_root_ctrl_methods = { 303 uhci_root_ctrl_transfer, 304 uhci_root_ctrl_start, 305 uhci_root_ctrl_abort, 306 uhci_root_ctrl_close, 307 uhci_noop, 308 uhci_root_ctrl_done, 309 }; 310 311 struct usbd_pipe_methods uhci_root_intr_methods = { 312 uhci_root_intr_transfer, 313 uhci_root_intr_start, 314 uhci_root_intr_abort, 315 uhci_root_intr_close, 316 uhci_noop, 317 uhci_root_intr_done, 318 }; 319 320 struct usbd_pipe_methods uhci_device_ctrl_methods = { 321 uhci_device_ctrl_transfer, 322 uhci_device_ctrl_start, 323 uhci_device_ctrl_abort, 324 uhci_device_ctrl_close, 325 uhci_noop, 326 uhci_device_ctrl_done, 327 }; 328 329 struct usbd_pipe_methods uhci_device_intr_methods = { 330 uhci_device_intr_transfer, 331 uhci_device_intr_start, 332 uhci_device_intr_abort, 333 uhci_device_intr_close, 334 uhci_device_clear_toggle, 335 uhci_device_intr_done, 336 }; 337 338 struct usbd_pipe_methods uhci_device_bulk_methods = { 339 uhci_device_bulk_transfer, 340 uhci_device_bulk_start, 341 uhci_device_bulk_abort, 342 uhci_device_bulk_close, 343 uhci_device_clear_toggle, 344 uhci_device_bulk_done, 345 }; 346 347 struct usbd_pipe_methods uhci_device_isoc_methods = { 348 uhci_device_isoc_transfer, 349 uhci_device_isoc_start, 350 uhci_device_isoc_abort, 351 uhci_device_isoc_close, 352 uhci_noop, 353 uhci_device_isoc_done, 354 }; 355 356 #define uhci_add_intr_info(sc, ii) \ 357 LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list); 358 #define uhci_del_intr_info(ii) \ 359 LIST_REMOVE((ii), list) 360 361 Static __inline__ uhci_soft_qh_t * 362 uhci_find_prev_qh(uhci_soft_qh_t *pqh, uhci_soft_qh_t *sqh) 363 { 364 DPRINTFN(15,("uhci_find_prev_qh: pqh=%p sqh=%p\n", pqh, sqh)); 365 366 for (; pqh->hlink != sqh; pqh = pqh->hlink) { 367 #if defined(DIAGNOSTIC) || defined(UHCI_DEBUG) 368 if (le32toh(pqh->qh.qh_hlink) & UHCI_PTR_T) { 369 printf("uhci_find_prev_qh: QH not found\n"); 370 return (NULL); 371 } 372 #endif 373 } 374 return (pqh); 375 } 376 377 void 378 uhci_busreset(uhci_softc_t *sc) 379 { 380 UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ 381 usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ 382 UHCICMD(sc, 0); /* do nothing */ 383 } 384 385 usbd_status 386 uhci_init(uhci_softc_t *sc) 387 { 388 usbd_status err; 389 int i, j; 390 uhci_soft_qh_t *clsqh, *chsqh, *bsqh, *sqh, *lsqh; 391 uhci_soft_td_t *std; 392 393 DPRINTFN(1,("uhci_init: start\n")); 394 395 #ifdef UHCI_DEBUG 396 thesc = sc; 397 398 if (uhcidebug > 2) 399 uhci_dumpregs(sc); 400 #endif 401 402 uhci_run(sc, 0); /* stop the controller */ 403 UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ 404 405 uhci_busreset(sc); 406 407 /* Allocate and initialize real frame array. */ 408 err = usb_allocmem(&sc->sc_bus, 409 UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), 410 UHCI_FRAMELIST_ALIGN, &sc->sc_dma); 411 if (err) 412 return (err); 413 sc->sc_pframes = KERNADDR(&sc->sc_dma); 414 UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */ 415 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); /* set frame list*/ 416 417 /* 418 * Allocate a TD, inactive, that hangs from the last QH. 419 * This is to avoid a bug in the PIIX that makes it run berserk 420 * otherwise. 421 */ 422 std = uhci_alloc_std(sc); 423 if (std == NULL) 424 return (USBD_NOMEM); 425 std->link.std = NULL; 426 std->td.td_link = htole32(UHCI_PTR_T); 427 std->td.td_status = htole32(0); /* inactive */ 428 std->td.td_token = htole32(0); 429 std->td.td_buffer = htole32(0); 430 431 /* Allocate the dummy QH marking the end and used for looping the QHs.*/ 432 lsqh = uhci_alloc_sqh(sc); 433 if (lsqh == NULL) 434 return (USBD_NOMEM); 435 lsqh->hlink = NULL; 436 lsqh->qh.qh_hlink = htole32(UHCI_PTR_T); /* end of QH chain */ 437 lsqh->elink = std; 438 lsqh->qh.qh_elink = htole32(std->physaddr | UHCI_PTR_TD); 439 sc->sc_last_qh = lsqh; 440 441 /* Allocate the dummy QH where bulk traffic will be queued. */ 442 bsqh = uhci_alloc_sqh(sc); 443 if (bsqh == NULL) 444 return (USBD_NOMEM); 445 bsqh->hlink = lsqh; 446 bsqh->qh.qh_hlink = htole32(lsqh->physaddr | UHCI_PTR_QH); 447 bsqh->elink = NULL; 448 bsqh->qh.qh_elink = htole32(UHCI_PTR_T); 449 sc->sc_bulk_start = sc->sc_bulk_end = bsqh; 450 451 /* Allocate dummy QH where high speed control traffic will be queued. */ 452 chsqh = uhci_alloc_sqh(sc); 453 if (chsqh == NULL) 454 return (USBD_NOMEM); 455 chsqh->hlink = bsqh; 456 chsqh->qh.qh_hlink = htole32(bsqh->physaddr | UHCI_PTR_QH); 457 chsqh->elink = NULL; 458 chsqh->qh.qh_elink = htole32(UHCI_PTR_T); 459 sc->sc_hctl_start = sc->sc_hctl_end = chsqh; 460 461 /* Allocate dummy QH where control traffic will be queued. */ 462 clsqh = uhci_alloc_sqh(sc); 463 if (clsqh == NULL) 464 return (USBD_NOMEM); 465 clsqh->hlink = bsqh; 466 clsqh->qh.qh_hlink = htole32(chsqh->physaddr | UHCI_PTR_QH); 467 clsqh->elink = NULL; 468 clsqh->qh.qh_elink = htole32(UHCI_PTR_T); 469 sc->sc_lctl_start = sc->sc_lctl_end = clsqh; 470 471 /* 472 * Make all (virtual) frame list pointers point to the interrupt 473 * queue heads and the interrupt queue heads at the control 474 * queue head and point the physical frame list to the virtual. 475 */ 476 for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 477 std = uhci_alloc_std(sc); 478 sqh = uhci_alloc_sqh(sc); 479 if (std == NULL || sqh == NULL) 480 return (USBD_NOMEM); 481 std->link.sqh = sqh; 482 std->td.td_link = htole32(sqh->physaddr | UHCI_PTR_QH); 483 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 484 std->td.td_token = htole32(0); 485 std->td.td_buffer = htole32(0); 486 sqh->hlink = clsqh; 487 sqh->qh.qh_hlink = htole32(clsqh->physaddr | UHCI_PTR_QH); 488 sqh->elink = NULL; 489 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 490 sc->sc_vframes[i].htd = std; 491 sc->sc_vframes[i].etd = std; 492 sc->sc_vframes[i].hqh = sqh; 493 sc->sc_vframes[i].eqh = sqh; 494 for (j = i; 495 j < UHCI_FRAMELIST_COUNT; 496 j += UHCI_VFRAMELIST_COUNT) 497 sc->sc_pframes[j] = htole32(std->physaddr); 498 } 499 500 LIST_INIT(&sc->sc_intrhead); 501 502 SIMPLEQ_INIT(&sc->sc_free_xfers); 503 504 usb_callout_init(sc->sc_poll_handle); 505 506 /* Set up the bus struct. */ 507 sc->sc_bus.methods = &uhci_bus_methods; 508 sc->sc_bus.pipe_size = sizeof(struct uhci_pipe); 509 510 #if defined(__NetBSD__) || defined(__OpenBSD__) 511 sc->sc_suspend = PWR_RESUME; 512 sc->sc_powerhook = powerhook_establish(uhci_power, sc); 513 sc->sc_shutdownhook = shutdownhook_establish(uhci_shutdown, sc); 514 #endif 515 516 DPRINTFN(1,("uhci_init: enabling\n")); 517 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 518 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */ 519 520 UHCICMD(sc, UHCI_CMD_MAXP); /* Assume 64 byte packets at frame end */ 521 522 return (uhci_run(sc, 1)); /* and here we go... */ 523 } 524 525 #if defined(__NetBSD__) || defined(__OpenBSD__) 526 int 527 uhci_activate(device_ptr_t self, enum devact act) 528 { 529 struct uhci_softc *sc = (struct uhci_softc *)self; 530 int rv = 0; 531 532 switch (act) { 533 case DVACT_ACTIVATE: 534 return (EOPNOTSUPP); 535 break; 536 537 case DVACT_DEACTIVATE: 538 if (sc->sc_child != NULL) 539 rv = config_deactivate(sc->sc_child); 540 break; 541 } 542 return (rv); 543 } 544 545 int 546 uhci_detach(struct uhci_softc *sc, int flags) 547 { 548 usbd_xfer_handle xfer; 549 int rv = 0; 550 551 if (sc->sc_child != NULL) 552 rv = config_detach(sc->sc_child, flags); 553 554 if (rv != 0) 555 return (rv); 556 557 #if defined(__NetBSD__) || defined(__OpenBSD__) 558 powerhook_disestablish(sc->sc_powerhook); 559 shutdownhook_disestablish(sc->sc_shutdownhook); 560 #endif 561 562 /* Free all xfers associated with this HC. */ 563 for (;;) { 564 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 565 if (xfer == NULL) 566 break; 567 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 568 free(xfer, M_USB); 569 } 570 571 /* XXX free other data structures XXX */ 572 573 return (rv); 574 } 575 #endif 576 577 usbd_status 578 uhci_allocm(struct usbd_bus *bus, usb_dma_t *dma, u_int32_t size) 579 { 580 struct uhci_softc *sc = (struct uhci_softc *)bus; 581 u_int32_t n; 582 583 /* 584 * XXX 585 * Since we are allocating a buffer we can assume that we will 586 * need TDs for it. Since we don't want to alolocate those from 587 * an interrupt context, we allocate them here and free them again. 588 * This is no guarantee that we'll get the TDs next time... 589 */ 590 n = size / 8; 591 if (n > 16) { 592 u_int32_t i; 593 uhci_soft_td_t **stds; 594 DPRINTF(("uhci_allocm: get %d TDs\n", n)); 595 stds = malloc(sizeof(uhci_soft_td_t *) * n, M_TEMP, M_NOWAIT); 596 memset(stds, 0, sizeof(uhci_soft_td_t *) * n); 597 for(i=0; i < n; i++) 598 stds[i] = uhci_alloc_std(sc); 599 for(i=0; i < n; i++) 600 if (stds[i] != NULL) 601 uhci_free_std(sc, stds[i]); 602 free(stds, M_TEMP); 603 } 604 605 return (usb_allocmem(&sc->sc_bus, size, 0, dma)); 606 } 607 608 void 609 uhci_freem(struct usbd_bus *bus, usb_dma_t *dma) 610 { 611 usb_freemem(&((struct uhci_softc *)bus)->sc_bus, dma); 612 } 613 614 usbd_xfer_handle 615 uhci_allocx(struct usbd_bus *bus) 616 { 617 struct uhci_softc *sc = (struct uhci_softc *)bus; 618 usbd_xfer_handle xfer; 619 620 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 621 if (xfer != NULL) { 622 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 623 #ifdef DIAGNOSTIC 624 if (xfer->busy_free != XFER_FREE) { 625 printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer, 626 xfer->busy_free); 627 } 628 #endif 629 } else { 630 xfer = malloc(sizeof(struct uhci_xfer), M_USB, M_NOWAIT); 631 } 632 if (xfer != NULL) { 633 memset(xfer, 0, sizeof (struct uhci_xfer)); 634 UXFER(xfer)->iinfo.sc = sc; 635 #ifdef DIAGNOSTIC 636 UXFER(xfer)->iinfo.isdone = 1; 637 xfer->busy_free = XFER_BUSY; 638 #endif 639 } 640 return (xfer); 641 } 642 643 void 644 uhci_freex(struct usbd_bus *bus, usbd_xfer_handle xfer) 645 { 646 struct uhci_softc *sc = (struct uhci_softc *)bus; 647 648 #ifdef DIAGNOSTIC 649 if (xfer->busy_free != XFER_BUSY) { 650 printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer, 651 xfer->busy_free); 652 return; 653 } 654 xfer->busy_free = XFER_FREE; 655 if (!UXFER(xfer)->iinfo.isdone) { 656 printf("uhci_freex: !isdone\n"); 657 return; 658 } 659 #endif 660 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); 661 } 662 663 /* 664 * Shut down the controller when the system is going down. 665 */ 666 void 667 uhci_shutdown(void *v) 668 { 669 uhci_softc_t *sc = v; 670 671 DPRINTF(("uhci_shutdown: stopping the HC\n")); 672 uhci_run(sc, 0); /* stop the controller */ 673 } 674 675 /* 676 * Handle suspend/resume. 677 * 678 * We need to switch to polling mode here, because this routine is 679 * called from an interrupt context. This is all right since we 680 * are almost suspended anyway. 681 */ 682 void 683 uhci_power(int why, void *v) 684 { 685 uhci_softc_t *sc = v; 686 int cmd; 687 int s; 688 689 s = splhardusb(); 690 cmd = UREAD2(sc, UHCI_CMD); 691 692 DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", 693 sc, why, sc->sc_suspend, cmd)); 694 695 switch (why) { 696 case PWR_SUSPEND: 697 case PWR_STANDBY: 698 #ifdef UHCI_DEBUG 699 if (uhcidebug > 2) 700 uhci_dumpregs(sc); 701 #endif 702 if (sc->sc_intr_xfer != NULL) 703 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, 704 sc->sc_intr_xfer); 705 sc->sc_bus.use_polling++; 706 uhci_run(sc, 0); /* stop the controller */ 707 708 /* save some state if BIOS doesn't */ 709 sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); 710 sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); 711 712 UWRITE2(sc, UHCI_INTR, 0); /* disable intrs */ 713 714 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 715 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 716 sc->sc_suspend = why; 717 sc->sc_bus.use_polling--; 718 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 719 break; 720 case PWR_RESUME: 721 #ifdef DIAGNOSTIC 722 if (sc->sc_suspend == PWR_RESUME) 723 printf("uhci_power: weird, resume without suspend.\n"); 724 #endif 725 sc->sc_bus.use_polling++; 726 sc->sc_suspend = why; 727 if (cmd & UHCI_CMD_RS) 728 uhci_run(sc, 0); /* in case BIOS has started it */ 729 730 /* restore saved state */ 731 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); 732 UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); 733 UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); 734 735 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 736 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 737 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 738 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 739 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 740 uhci_run(sc, 1); /* and start traffic again */ 741 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 742 sc->sc_bus.use_polling--; 743 if (sc->sc_intr_xfer != NULL) 744 usb_callout(sc->sc_poll_handle, sc->sc_ival, 745 uhci_poll_hub, sc->sc_intr_xfer); 746 #ifdef UHCI_DEBUG 747 if (uhcidebug > 2) 748 uhci_dumpregs(sc); 749 #endif 750 break; 751 case PWR_SOFTSUSPEND: 752 case PWR_SOFTSTANDBY: 753 case PWR_SOFTRESUME: 754 break; 755 } 756 splx(s); 757 } 758 759 #ifdef UHCI_DEBUG 760 Static void 761 uhci_dumpregs(uhci_softc_t *sc) 762 { 763 DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 764 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 765 USBDEVNAME(sc->sc_bus.bdev), 766 UREAD2(sc, UHCI_CMD), 767 UREAD2(sc, UHCI_STS), 768 UREAD2(sc, UHCI_INTR), 769 UREAD2(sc, UHCI_FRNUM), 770 UREAD4(sc, UHCI_FLBASEADDR), 771 UREAD1(sc, UHCI_SOF), 772 UREAD2(sc, UHCI_PORTSC1), 773 UREAD2(sc, UHCI_PORTSC2))); 774 } 775 776 void 777 uhci_dump_td(uhci_soft_td_t *p) 778 { 779 char sbuf[128], sbuf2[128]; 780 781 DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 782 "token=0x%08lx buffer=0x%08lx\n", 783 p, (long)p->physaddr, 784 (long)le32toh(p->td.td_link), 785 (long)le32toh(p->td.td_status), 786 (long)le32toh(p->td.td_token), 787 (long)le32toh(p->td.td_buffer))); 788 789 bitmask_snprintf((int)le32toh(p->td.td_link), "\20\1T\2Q\3VF", 790 sbuf, sizeof(sbuf)); 791 bitmask_snprintf((int)le32toh(p->td.td_status), 792 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 793 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 794 sbuf2, sizeof(sbuf2)); 795 796 DPRINTFN(-1,(" %s %s,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 797 "D=%d,maxlen=%d\n", sbuf, sbuf2, 798 UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), 799 UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), 800 UHCI_TD_GET_PID(le32toh(p->td.td_token)), 801 UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), 802 UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), 803 UHCI_TD_GET_DT(le32toh(p->td.td_token)), 804 UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); 805 } 806 807 void 808 uhci_dump_qh(uhci_soft_qh_t *sqh) 809 { 810 DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, 811 (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), 812 le32toh(sqh->qh.qh_elink))); 813 } 814 815 816 #if 1 817 void 818 uhci_dump(void) 819 { 820 uhci_dump_all(thesc); 821 } 822 #endif 823 824 void 825 uhci_dump_all(uhci_softc_t *sc) 826 { 827 uhci_dumpregs(sc); 828 printf("intrs=%d\n", sc->sc_bus.no_intrs); 829 /*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/ 830 uhci_dump_qh(sc->sc_lctl_start); 831 } 832 833 834 void 835 uhci_dump_qhs(uhci_soft_qh_t *sqh) 836 { 837 uhci_dump_qh(sqh); 838 839 /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards 840 * Traverses sideways first, then down. 841 * 842 * QH1 843 * QH2 844 * No QH 845 * TD2.1 846 * TD2.2 847 * TD1.1 848 * etc. 849 * 850 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. 851 */ 852 853 854 if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) 855 uhci_dump_qhs(sqh->hlink); 856 else 857 DPRINTF(("No QH\n")); 858 859 if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) 860 uhci_dump_tds(sqh->elink); 861 else 862 DPRINTF(("No TD\n")); 863 } 864 865 void 866 uhci_dump_tds(uhci_soft_td_t *std) 867 { 868 uhci_soft_td_t *td; 869 870 for(td = std; td != NULL; td = td->link.std) { 871 uhci_dump_td(td); 872 873 /* Check whether the link pointer in this TD marks 874 * the link pointer as end of queue. This avoids 875 * printing the free list in case the queue/TD has 876 * already been moved there (seatbelt). 877 */ 878 if (le32toh(td->td.td_link) & UHCI_PTR_T || 879 le32toh(td->td.td_link) == 0) 880 break; 881 } 882 } 883 884 Static void 885 uhci_dump_ii(uhci_intr_info_t *ii) 886 { 887 usbd_pipe_handle pipe; 888 usb_endpoint_descriptor_t *ed; 889 usbd_device_handle dev; 890 891 #ifdef DIAGNOSTIC 892 #define DONE ii->isdone 893 #else 894 #define DONE 0 895 #endif 896 if (ii == NULL) { 897 printf("ii NULL\n"); 898 return; 899 } 900 if (ii->xfer == NULL) { 901 printf("ii %p: done=%d xfer=NULL\n", 902 ii, DONE); 903 return; 904 } 905 pipe = ii->xfer->pipe; 906 if (pipe == NULL) { 907 printf("ii %p: done=%d xfer=%p pipe=NULL\n", 908 ii, DONE, ii->xfer); 909 return; 910 } 911 if (pipe->endpoint == NULL) { 912 printf("ii %p: done=%d xfer=%p pipe=%p pipe->endpoint=NULL\n", 913 ii, DONE, ii->xfer, pipe); 914 return; 915 } 916 if (pipe->device == NULL) { 917 printf("ii %p: done=%d xfer=%p pipe=%p pipe->device=NULL\n", 918 ii, DONE, ii->xfer, pipe); 919 return; 920 } 921 ed = pipe->endpoint->edesc; 922 dev = pipe->device; 923 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", 924 ii, DONE, ii->xfer, dev, 925 UGETW(dev->ddesc.idVendor), 926 UGETW(dev->ddesc.idProduct), 927 dev->address, pipe, 928 ed->bEndpointAddress, ed->bmAttributes); 929 #undef DONE 930 } 931 932 void uhci_dump_iis(struct uhci_softc *sc); 933 void 934 uhci_dump_iis(struct uhci_softc *sc) 935 { 936 uhci_intr_info_t *ii; 937 938 printf("intr_info list:\n"); 939 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 940 uhci_dump_ii(ii); 941 } 942 943 void iidump(void); 944 void iidump(void) { uhci_dump_iis(thesc); } 945 946 #endif 947 948 /* 949 * This routine is executed periodically and simulates interrupts 950 * from the root controller interrupt pipe for port status change. 951 */ 952 void 953 uhci_poll_hub(void *addr) 954 { 955 usbd_xfer_handle xfer = addr; 956 usbd_pipe_handle pipe = xfer->pipe; 957 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 958 int s; 959 u_char *p; 960 961 DPRINTFN(20, ("uhci_poll_hub\n")); 962 963 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 964 965 p = KERNADDR(&xfer->dmabuf); 966 p[0] = 0; 967 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 968 p[0] |= 1<<1; 969 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 970 p[0] |= 1<<2; 971 if (p[0] == 0) 972 /* No change, try again in a while */ 973 return; 974 975 xfer->actlen = 1; 976 xfer->status = USBD_NORMAL_COMPLETION; 977 s = splusb(); 978 xfer->device->bus->intr_context++; 979 usb_transfer_complete(xfer); 980 xfer->device->bus->intr_context--; 981 splx(s); 982 } 983 984 void 985 uhci_root_intr_done(usbd_xfer_handle xfer) 986 { 987 } 988 989 void 990 uhci_root_ctrl_done(usbd_xfer_handle xfer) 991 { 992 } 993 994 /* 995 * Let the last QH loop back to the high speed control transfer QH. 996 * This is what intel calls "bandwidth reclamation" and improves 997 * USB performance a lot for some devices. 998 * If we are already looping, just count it. 999 */ 1000 void 1001 uhci_add_loop(uhci_softc_t *sc) { 1002 #ifdef UHCI_DEBUG 1003 if (uhcinoloop) 1004 return; 1005 #endif 1006 if (++sc->sc_loops == 1) { 1007 DPRINTFN(5,("uhci_start_loop: add\n")); 1008 /* Note, we don't loop back the soft pointer. */ 1009 sc->sc_last_qh->qh.qh_hlink = 1010 htole32(sc->sc_hctl_start->physaddr | UHCI_PTR_QH); 1011 } 1012 } 1013 1014 void 1015 uhci_rem_loop(uhci_softc_t *sc) { 1016 #ifdef UHCI_DEBUG 1017 if (uhcinoloop) 1018 return; 1019 #endif 1020 if (--sc->sc_loops == 0) { 1021 DPRINTFN(5,("uhci_end_loop: remove\n")); 1022 sc->sc_last_qh->qh.qh_hlink = htole32(UHCI_PTR_T); 1023 } 1024 } 1025 1026 /* Add high speed control QH, called at splusb(). */ 1027 void 1028 uhci_add_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1029 { 1030 uhci_soft_qh_t *eqh; 1031 1032 SPLUSBCHECK; 1033 1034 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 1035 eqh = sc->sc_hctl_end; 1036 sqh->hlink = eqh->hlink; 1037 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1038 eqh->hlink = sqh; 1039 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 1040 sc->sc_hctl_end = sqh; 1041 #ifdef UHCI_CTL_LOOP 1042 uhci_add_loop(sc); 1043 #endif 1044 } 1045 1046 /* Remove high speed control QH, called at splusb(). */ 1047 void 1048 uhci_remove_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1049 { 1050 uhci_soft_qh_t *pqh; 1051 1052 SPLUSBCHECK; 1053 1054 DPRINTFN(10, ("uhci_remove_hs_ctrl: sqh=%p\n", sqh)); 1055 #ifdef UHCI_CTL_LOOP 1056 uhci_rem_loop(sc); 1057 #endif 1058 /* 1059 * The T bit should be set in the elink of the QH so that the HC 1060 * doesn't follow the pointer. This condition may fail if the 1061 * the transferred packet was short so that the QH still points 1062 * at the last used TD. 1063 * In this case we set the T bit and wait a little for the HC 1064 * to stop looking at the TD. 1065 */ 1066 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1067 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1068 delay(UHCI_QH_REMOVE_DELAY); 1069 } 1070 1071 pqh = uhci_find_prev_qh(sc->sc_hctl_start, sqh); 1072 pqh->hlink = sqh->hlink; 1073 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1074 delay(UHCI_QH_REMOVE_DELAY); 1075 if (sc->sc_hctl_end == sqh) 1076 sc->sc_hctl_end = pqh; 1077 } 1078 1079 /* Add low speed control QH, called at splusb(). */ 1080 void 1081 uhci_add_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1082 { 1083 uhci_soft_qh_t *eqh; 1084 1085 SPLUSBCHECK; 1086 1087 DPRINTFN(10, ("uhci_add_ls_ctrl: sqh=%p\n", sqh)); 1088 eqh = sc->sc_lctl_end; 1089 sqh->hlink = eqh->hlink; 1090 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1091 eqh->hlink = sqh; 1092 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 1093 sc->sc_lctl_end = sqh; 1094 } 1095 1096 /* Remove low speed control QH, called at splusb(). */ 1097 void 1098 uhci_remove_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1099 { 1100 uhci_soft_qh_t *pqh; 1101 1102 SPLUSBCHECK; 1103 1104 DPRINTFN(10, ("uhci_remove_ls_ctrl: sqh=%p\n", sqh)); 1105 /* See comment in uhci_remove_hs_ctrl() */ 1106 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1107 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1108 delay(UHCI_QH_REMOVE_DELAY); 1109 } 1110 pqh = uhci_find_prev_qh(sc->sc_lctl_start, sqh); 1111 pqh->hlink = sqh->hlink; 1112 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1113 delay(UHCI_QH_REMOVE_DELAY); 1114 if (sc->sc_lctl_end == sqh) 1115 sc->sc_lctl_end = pqh; 1116 } 1117 1118 /* Add bulk QH, called at splusb(). */ 1119 void 1120 uhci_add_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1121 { 1122 uhci_soft_qh_t *eqh; 1123 1124 SPLUSBCHECK; 1125 1126 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 1127 eqh = sc->sc_bulk_end; 1128 sqh->hlink = eqh->hlink; 1129 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1130 eqh->hlink = sqh; 1131 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 1132 sc->sc_bulk_end = sqh; 1133 uhci_add_loop(sc); 1134 } 1135 1136 /* Remove bulk QH, called at splusb(). */ 1137 void 1138 uhci_remove_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1139 { 1140 uhci_soft_qh_t *pqh; 1141 1142 SPLUSBCHECK; 1143 1144 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 1145 uhci_rem_loop(sc); 1146 /* See comment in uhci_remove_hs_ctrl() */ 1147 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1148 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1149 delay(UHCI_QH_REMOVE_DELAY); 1150 } 1151 pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); 1152 pqh->hlink = sqh->hlink; 1153 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1154 delay(UHCI_QH_REMOVE_DELAY); 1155 if (sc->sc_bulk_end == sqh) 1156 sc->sc_bulk_end = pqh; 1157 } 1158 1159 Static int uhci_intr1(uhci_softc_t *); 1160 1161 int 1162 uhci_intr(void *arg) 1163 { 1164 uhci_softc_t *sc = arg; 1165 1166 DPRINTFN(15,("uhci_intr: real interrupt\n")); 1167 if (sc->sc_bus.use_polling) { 1168 #ifdef DIAGNOSTIC 1169 printf("uhci_intr: ignored interrupt while polling\n"); 1170 #endif 1171 return (0); 1172 } 1173 return (uhci_intr1(sc)); 1174 } 1175 1176 int 1177 uhci_intr1(uhci_softc_t *sc) 1178 { 1179 int status; 1180 int ack; 1181 1182 #ifdef UHCI_DEBUG 1183 if (uhcidebug > 15) { 1184 DPRINTF(("%s: uhci_intr1\n", USBDEVNAME(sc->sc_bus.bdev))); 1185 uhci_dumpregs(sc); 1186 } 1187 #endif 1188 1189 status = UREAD2(sc, UHCI_STS); 1190 if (status == 0) /* The interrupt was not for us. */ 1191 return (0); 1192 1193 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1194 if (sc->sc_suspend != PWR_RESUME) 1195 printf("uhci_intr: suspended sts=0x%x\n", status); 1196 #endif 1197 1198 if (sc->sc_suspend != PWR_RESUME) { 1199 printf("%s: interrupt while not operating ignored\n", 1200 USBDEVNAME(sc->sc_bus.bdev)); 1201 UWRITE2(sc, UHCI_STS, status); /* acknowledge the ints */ 1202 return (0); 1203 } 1204 1205 ack = 0; 1206 if (status & UHCI_STS_USBINT) 1207 ack |= UHCI_STS_USBINT; 1208 if (status & UHCI_STS_USBEI) 1209 ack |= UHCI_STS_USBEI; 1210 if (status & UHCI_STS_RD) { 1211 ack |= UHCI_STS_RD; 1212 #ifdef UHCI_DEBUG 1213 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1214 #endif 1215 } 1216 if (status & UHCI_STS_HSE) { 1217 ack |= UHCI_STS_HSE; 1218 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1219 } 1220 if (status & UHCI_STS_HCPE) { 1221 ack |= UHCI_STS_HCPE; 1222 printf("%s: host controller process error\n", 1223 USBDEVNAME(sc->sc_bus.bdev)); 1224 } 1225 if (status & UHCI_STS_HCH) { 1226 /* no acknowledge needed */ 1227 if (!sc->sc_dying) { 1228 printf("%s: host controller halted\n", 1229 USBDEVNAME(sc->sc_bus.bdev)); 1230 #ifdef UHCI_DEBUG 1231 uhci_dump_all(sc); 1232 #endif 1233 } 1234 sc->sc_dying = 1; 1235 } 1236 1237 if (!ack) 1238 return (0); /* nothing to acknowledge */ 1239 UWRITE2(sc, UHCI_STS, ack); /* acknowledge the ints */ 1240 1241 sc->sc_bus.no_intrs++; 1242 usb_schedsoftintr(&sc->sc_bus); 1243 1244 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1245 1246 return (1); 1247 } 1248 1249 void 1250 uhci_softintr(void *v) 1251 { 1252 uhci_softc_t *sc = v; 1253 uhci_intr_info_t *ii; 1254 1255 DPRINTFN(10,("%s: uhci_softintr (%d)\n", USBDEVNAME(sc->sc_bus.bdev), 1256 sc->sc_bus.intr_context)); 1257 1258 sc->sc_bus.intr_context++; 1259 1260 /* 1261 * Interrupts on UHCI really suck. When the host controller 1262 * interrupts because a transfer is completed there is no 1263 * way of knowing which transfer it was. You can scan down 1264 * the TDs and QHs of the previous frame to limit the search, 1265 * but that assumes that the interrupt was not delayed by more 1266 * than 1 ms, which may not always be true (e.g. after debug 1267 * output on a slow console). 1268 * We scan all interrupt descriptors to see if any have 1269 * completed. 1270 */ 1271 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1272 uhci_check_intr(sc, ii); 1273 1274 sc->sc_bus.intr_context--; 1275 } 1276 1277 /* Check for an interrupt. */ 1278 void 1279 uhci_check_intr(uhci_softc_t *sc, uhci_intr_info_t *ii) 1280 { 1281 uhci_soft_td_t *std, *lstd; 1282 u_int32_t status; 1283 1284 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1285 #ifdef DIAGNOSTIC 1286 if (ii == NULL) { 1287 printf("uhci_check_intr: no ii? %p\n", ii); 1288 return; 1289 } 1290 #endif 1291 if (ii->stdstart == NULL) 1292 return; 1293 lstd = ii->stdend; 1294 #ifdef DIAGNOSTIC 1295 if (lstd == NULL) { 1296 printf("uhci_check_intr: std==0\n"); 1297 return; 1298 } 1299 #endif 1300 /* 1301 * If the last TD is still active we need to check whether there 1302 * is a an error somewhere in the middle, or whether there was a 1303 * short packet (SPD and not ACTIVE). 1304 */ 1305 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1306 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1307 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1308 status = le32toh(std->td.td_status); 1309 /* If there's an active TD the xfer isn't done. */ 1310 if (status & UHCI_TD_ACTIVE) 1311 break; 1312 /* Any kind of error makes the xfer done. */ 1313 if (status & UHCI_TD_STALLED) 1314 goto done; 1315 /* We want short packets, and it is short: it's done */ 1316 if ((status & UHCI_TD_SPD) && 1317 UHCI_TD_GET_ACTLEN(status) < 1318 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1319 goto done; 1320 } 1321 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1322 ii, ii->stdstart)); 1323 return; 1324 } 1325 done: 1326 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1327 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1328 uhci_idone(ii); 1329 } 1330 1331 /* Called at splusb() */ 1332 void 1333 uhci_idone(uhci_intr_info_t *ii) 1334 { 1335 usbd_xfer_handle xfer = ii->xfer; 1336 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1337 uhci_soft_td_t *std; 1338 u_int32_t status = 0, nstatus; 1339 int actlen; 1340 1341 DPRINTFN(12, ("uhci_idone: ii=%p\n", ii)); 1342 #ifdef DIAGNOSTIC 1343 { 1344 int s = splhigh(); 1345 if (ii->isdone) { 1346 splx(s); 1347 #ifdef UHCI_DEBUG 1348 printf("uhci_idone: ii is done!\n "); 1349 uhci_dump_ii(ii); 1350 #else 1351 printf("uhci_idone: ii=%p is done!\n", ii); 1352 #endif 1353 return; 1354 } 1355 ii->isdone = 1; 1356 splx(s); 1357 } 1358 #endif 1359 1360 if (xfer->status == USBD_CANCELLED || 1361 xfer->status == USBD_TIMEOUT) { 1362 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1363 return; 1364 } 1365 1366 if (xfer->nframes != 0) { 1367 /* Isoc transfer, do things differently. */ 1368 uhci_soft_td_t **stds = upipe->u.iso.stds; 1369 int i, n, nframes, len; 1370 1371 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1372 1373 nframes = xfer->nframes; 1374 actlen = 0; 1375 n = UXFER(xfer)->curframe; 1376 for (i = 0; i < nframes; i++) { 1377 std = stds[n]; 1378 #ifdef UHCI_DEBUG 1379 if (uhcidebug > 5) { 1380 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1381 uhci_dump_td(std); 1382 } 1383 #endif 1384 if (++n >= UHCI_VFRAMELIST_COUNT) 1385 n = 0; 1386 status = le32toh(std->td.td_status); 1387 len = UHCI_TD_GET_ACTLEN(status); 1388 xfer->frlengths[i] = len; 1389 actlen += len; 1390 } 1391 upipe->u.iso.inuse -= nframes; 1392 xfer->actlen = actlen; 1393 xfer->status = USBD_NORMAL_COMPLETION; 1394 goto end; 1395 } 1396 1397 #ifdef UHCI_DEBUG 1398 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1399 ii, xfer, upipe)); 1400 if (uhcidebug > 10) 1401 uhci_dump_tds(ii->stdstart); 1402 #endif 1403 1404 /* The transfer is done, compute actual length and status. */ 1405 actlen = 0; 1406 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1407 nstatus = le32toh(std->td.td_status); 1408 if (nstatus & UHCI_TD_ACTIVE) 1409 break; 1410 1411 status = nstatus; 1412 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1413 UHCI_TD_PID_SETUP) 1414 actlen += UHCI_TD_GET_ACTLEN(status); 1415 } 1416 /* If there are left over TDs we need to update the toggle. */ 1417 if (std != NULL) 1418 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1419 1420 status &= UHCI_TD_ERROR; 1421 DPRINTFN(10, ("uhci_idone: actlen=%d, status=0x%x\n", 1422 actlen, status)); 1423 xfer->actlen = actlen; 1424 if (status != 0) { 1425 #ifdef UHCI_DEBUG 1426 char sbuf[128]; 1427 1428 bitmask_snprintf((int)status, "\20\22BITSTUFF\23CRCTO\24NAK\25" 1429 "BABBLE\26DBUFFER\27STALLED\30ACTIVE", 1430 sbuf, sizeof(sbuf)); 1431 1432 DPRINTFN((status == UHCI_TD_STALLED)*10, 1433 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1434 "status 0x%s\n", 1435 xfer->pipe->device->address, 1436 xfer->pipe->endpoint->edesc->bEndpointAddress, 1437 sbuf)); 1438 #endif 1439 1440 if (status == UHCI_TD_STALLED) 1441 xfer->status = USBD_STALLED; 1442 else 1443 xfer->status = USBD_IOERROR; /* more info XXX */ 1444 } else { 1445 xfer->status = USBD_NORMAL_COMPLETION; 1446 } 1447 1448 end: 1449 usb_transfer_complete(xfer); 1450 DPRINTFN(12, ("uhci_idone: ii=%p done\n", ii)); 1451 } 1452 1453 /* 1454 * Called when a request does not complete. 1455 */ 1456 void 1457 uhci_timeout(void *addr) 1458 { 1459 uhci_intr_info_t *ii = addr; 1460 1461 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1462 1463 #ifdef UHCI_DEBUG 1464 if (uhcidebug > 10) 1465 uhci_dump_tds(ii->stdstart); 1466 #endif 1467 1468 ii->xfer->device->bus->intr_context++; 1469 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1470 ii->xfer->device->bus->intr_context--; 1471 } 1472 1473 /* 1474 * Wait here until controller claims to have an interrupt. 1475 * Then call uhci_intr and return. Use timeout to avoid waiting 1476 * too long. 1477 * Only used during boot when interrupts are not enabled yet. 1478 */ 1479 void 1480 uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer) 1481 { 1482 int timo = xfer->timeout; 1483 uhci_intr_info_t *ii; 1484 1485 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1486 1487 xfer->status = USBD_IN_PROGRESS; 1488 for (; timo >= 0; timo--) { 1489 usb_delay_ms(&sc->sc_bus, 1); 1490 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1491 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1492 uhci_intr1(sc); 1493 if (xfer->status != USBD_IN_PROGRESS) 1494 return; 1495 } 1496 } 1497 1498 /* Timeout */ 1499 DPRINTF(("uhci_waitintr: timeout\n")); 1500 for (ii = LIST_FIRST(&sc->sc_intrhead); 1501 ii != NULL && ii->xfer != xfer; 1502 ii = LIST_NEXT(ii, list)) 1503 ; 1504 #ifdef DIAGNOSTIC 1505 if (ii == NULL) 1506 panic("uhci_waitintr: lost intr_info\n"); 1507 #endif 1508 uhci_idone(ii); 1509 } 1510 1511 void 1512 uhci_poll(struct usbd_bus *bus) 1513 { 1514 uhci_softc_t *sc = (uhci_softc_t *)bus; 1515 1516 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1517 uhci_intr1(sc); 1518 } 1519 1520 #if 0 1521 void 1522 uhci_reset(uhci_softc_t *sc) 1523 { 1524 int n; 1525 1526 UHCICMD(sc, UHCI_CMD_HCRESET); 1527 /* The reset bit goes low when the controller is done. */ 1528 for (n = 0; n < UHCI_RESET_TIMEOUT && 1529 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1530 usb_delay_ms(&sc->sc_bus, 1); 1531 if (n >= UHCI_RESET_TIMEOUT) 1532 printf("%s: controller did not reset\n", 1533 USBDEVNAME(sc->sc_bus.bdev)); 1534 } 1535 #endif 1536 1537 usbd_status 1538 uhci_run(uhci_softc_t *sc, int run) 1539 { 1540 int s, n, running; 1541 u_int16_t cmd; 1542 1543 run = run != 0; 1544 s = splhardusb(); 1545 DPRINTF(("uhci_run: setting run=%d\n", run)); 1546 cmd = UREAD2(sc, UHCI_CMD); 1547 if (run) 1548 cmd |= UHCI_CMD_RS; 1549 else 1550 cmd &= ~UHCI_CMD_RS; 1551 UHCICMD(sc, cmd); 1552 for(n = 0; n < 10; n++) { 1553 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1554 /* return when we've entered the state we want */ 1555 if (run == running) { 1556 splx(s); 1557 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1558 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1559 return (USBD_NORMAL_COMPLETION); 1560 } 1561 usb_delay_ms(&sc->sc_bus, 1); 1562 } 1563 splx(s); 1564 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1565 run ? "start" : "stop"); 1566 return (USBD_IOERROR); 1567 } 1568 1569 /* 1570 * Memory management routines. 1571 * uhci_alloc_std allocates TDs 1572 * uhci_alloc_sqh allocates QHs 1573 * These two routines do their own free list management, 1574 * partly for speed, partly because allocating DMAable memory 1575 * has page size granularaity so much memory would be wasted if 1576 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1577 */ 1578 1579 uhci_soft_td_t * 1580 uhci_alloc_std(uhci_softc_t *sc) 1581 { 1582 uhci_soft_td_t *std; 1583 usbd_status err; 1584 int i, offs; 1585 usb_dma_t dma; 1586 1587 if (sc->sc_freetds == NULL) { 1588 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1589 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1590 UHCI_TD_ALIGN, &dma); 1591 if (err) 1592 return (0); 1593 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1594 offs = i * UHCI_STD_SIZE; 1595 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1596 std->physaddr = DMAADDR(&dma) + offs; 1597 std->link.std = sc->sc_freetds; 1598 sc->sc_freetds = std; 1599 } 1600 } 1601 std = sc->sc_freetds; 1602 sc->sc_freetds = std->link.std; 1603 memset(&std->td, 0, sizeof(uhci_td_t)); 1604 return std; 1605 } 1606 1607 void 1608 uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std) 1609 { 1610 #ifdef DIAGNOSTIC 1611 #define TD_IS_FREE 0x12345678 1612 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1613 printf("uhci_free_std: freeing free TD %p\n", std); 1614 return; 1615 } 1616 std->td.td_token = htole32(TD_IS_FREE); 1617 #endif 1618 std->link.std = sc->sc_freetds; 1619 sc->sc_freetds = std; 1620 } 1621 1622 uhci_soft_qh_t * 1623 uhci_alloc_sqh(uhci_softc_t *sc) 1624 { 1625 uhci_soft_qh_t *sqh; 1626 usbd_status err; 1627 int i, offs; 1628 usb_dma_t dma; 1629 1630 if (sc->sc_freeqhs == NULL) { 1631 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1632 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1633 UHCI_QH_ALIGN, &dma); 1634 if (err) 1635 return (0); 1636 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1637 offs = i * UHCI_SQH_SIZE; 1638 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1639 sqh->physaddr = DMAADDR(&dma) + offs; 1640 sqh->hlink = sc->sc_freeqhs; 1641 sc->sc_freeqhs = sqh; 1642 } 1643 } 1644 sqh = sc->sc_freeqhs; 1645 sc->sc_freeqhs = sqh->hlink; 1646 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1647 return (sqh); 1648 } 1649 1650 void 1651 uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1652 { 1653 sqh->hlink = sc->sc_freeqhs; 1654 sc->sc_freeqhs = sqh; 1655 } 1656 1657 void 1658 uhci_free_std_chain(uhci_softc_t *sc, uhci_soft_td_t *std, 1659 uhci_soft_td_t *stdend) 1660 { 1661 uhci_soft_td_t *p; 1662 1663 for (; std != stdend; std = p) { 1664 p = std->link.std; 1665 uhci_free_std(sc, std); 1666 } 1667 } 1668 1669 usbd_status 1670 uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len, 1671 int rd, u_int16_t flags, usb_dma_t *dma, 1672 uhci_soft_td_t **sp, uhci_soft_td_t **ep) 1673 { 1674 uhci_soft_td_t *p, *lastp; 1675 uhci_physaddr_t lastlink; 1676 int i, ntd, l, tog, maxp; 1677 u_int32_t status; 1678 int addr = upipe->pipe.device->address; 1679 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1680 1681 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1682 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1683 upipe->pipe.device->lowspeed, flags)); 1684 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1685 if (maxp == 0) { 1686 printf("uhci_alloc_std_chain: maxp=0\n"); 1687 return (USBD_INVAL); 1688 } 1689 ntd = (len + maxp - 1) / maxp; 1690 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1691 ntd++; 1692 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1693 if (ntd == 0) { 1694 *sp = *ep = 0; 1695 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1696 return (USBD_NORMAL_COMPLETION); 1697 } 1698 tog = upipe->nexttoggle; 1699 if (ntd % 2 == 0) 1700 tog ^= 1; 1701 upipe->nexttoggle = tog ^ 1; 1702 lastp = NULL; 1703 lastlink = UHCI_PTR_T; 1704 ntd--; 1705 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1706 if (upipe->pipe.device->lowspeed) 1707 status |= UHCI_TD_LS; 1708 if (flags & USBD_SHORT_XFER_OK) 1709 status |= UHCI_TD_SPD; 1710 for (i = ntd; i >= 0; i--) { 1711 p = uhci_alloc_std(sc); 1712 if (p == NULL) { 1713 uhci_free_std_chain(sc, lastp, 0); 1714 return (USBD_NOMEM); 1715 } 1716 p->link.std = lastp; 1717 p->td.td_link = htole32(lastlink | UHCI_PTR_VF | UHCI_PTR_TD); 1718 lastp = p; 1719 lastlink = p->physaddr; 1720 p->td.td_status = htole32(status); 1721 if (i == ntd) { 1722 /* last TD */ 1723 l = len % maxp; 1724 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1725 l = maxp; 1726 *ep = p; 1727 } else 1728 l = maxp; 1729 p->td.td_token = 1730 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1731 UHCI_TD_OUT(l, endpt, addr, tog)); 1732 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1733 tog ^= 1; 1734 } 1735 *sp = lastp; 1736 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1737 upipe->nexttoggle)); 1738 return (USBD_NORMAL_COMPLETION); 1739 } 1740 1741 void 1742 uhci_device_clear_toggle(usbd_pipe_handle pipe) 1743 { 1744 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1745 upipe->nexttoggle = 0; 1746 } 1747 1748 void 1749 uhci_noop(usbd_pipe_handle pipe) 1750 { 1751 } 1752 1753 usbd_status 1754 uhci_device_bulk_transfer(usbd_xfer_handle xfer) 1755 { 1756 usbd_status err; 1757 1758 /* Insert last in queue. */ 1759 err = usb_insert_transfer(xfer); 1760 if (err) 1761 return (err); 1762 1763 /* 1764 * Pipe isn't running (otherwise err would be USBD_INPROG), 1765 * so start it first. 1766 */ 1767 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1768 } 1769 1770 usbd_status 1771 uhci_device_bulk_start(usbd_xfer_handle xfer) 1772 { 1773 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1774 usbd_device_handle dev = upipe->pipe.device; 1775 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1776 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1777 uhci_soft_td_t *data, *dataend; 1778 uhci_soft_qh_t *sqh; 1779 usbd_status err; 1780 int len, isread, endpt; 1781 int s; 1782 1783 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1784 xfer, xfer->length, xfer->flags)); 1785 1786 if (sc->sc_dying) 1787 return (USBD_IOERROR); 1788 1789 #ifdef DIAGNOSTIC 1790 if (xfer->rqflags & URQ_REQUEST) 1791 panic("uhci_device_bulk_transfer: a request\n"); 1792 #endif 1793 1794 len = xfer->length; 1795 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1796 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1797 sqh = upipe->u.bulk.sqh; 1798 1799 upipe->u.bulk.isread = isread; 1800 upipe->u.bulk.length = len; 1801 1802 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1803 &xfer->dmabuf, &data, &dataend); 1804 if (err) 1805 return (err); 1806 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1807 1808 #ifdef UHCI_DEBUG 1809 if (uhcidebug > 8) { 1810 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1811 uhci_dump_tds(data); 1812 } 1813 #endif 1814 1815 /* Set up interrupt info. */ 1816 ii->xfer = xfer; 1817 ii->stdstart = data; 1818 ii->stdend = dataend; 1819 #ifdef DIAGNOSTIC 1820 if (!ii->isdone) { 1821 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1822 } 1823 ii->isdone = 0; 1824 #endif 1825 1826 sqh->elink = data; 1827 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 1828 1829 s = splusb(); 1830 uhci_add_bulk(sc, sqh); 1831 uhci_add_intr_info(sc, ii); 1832 1833 if (xfer->timeout && !sc->sc_bus.use_polling) { 1834 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1835 uhci_timeout, ii); 1836 } 1837 xfer->status = USBD_IN_PROGRESS; 1838 splx(s); 1839 1840 #ifdef UHCI_DEBUG 1841 if (uhcidebug > 10) { 1842 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1843 uhci_dump_tds(data); 1844 } 1845 #endif 1846 1847 if (sc->sc_bus.use_polling) 1848 uhci_waitintr(sc, xfer); 1849 1850 return (USBD_IN_PROGRESS); 1851 } 1852 1853 /* Abort a device bulk request. */ 1854 void 1855 uhci_device_bulk_abort(usbd_xfer_handle xfer) 1856 { 1857 DPRINTF(("uhci_device_bulk_abort:\n")); 1858 uhci_abort_xfer(xfer, USBD_CANCELLED); 1859 } 1860 1861 /* 1862 * XXX This way of aborting is neither safe, nor good. 1863 * But it will have to do until I figure out what to do. 1864 * I apologize for the delay(). 1865 */ 1866 void 1867 uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status) 1868 { 1869 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1870 uhci_soft_td_t *std; 1871 int s; 1872 1873 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1874 1875 s = splusb(); 1876 1877 /* Transfer is already done. */ 1878 if (xfer->status != USBD_NOT_STARTED && 1879 xfer->status != USBD_IN_PROGRESS) { 1880 splx(s); 1881 return; 1882 } 1883 1884 /* Make interrupt routine ignore it, */ 1885 xfer->status = status; 1886 1887 /* don't timeout, */ 1888 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1889 1890 /* make hardware ignore it, */ 1891 for (std = ii->stdstart; std != NULL; std = std->link.std) 1892 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1893 1894 xfer->hcpriv = ii; 1895 1896 splx(s); 1897 1898 delay(1000); 1899 1900 s = splusb(); 1901 #ifdef DIAGNOSTIC 1902 ii->isdone = 1; 1903 #endif 1904 usb_transfer_complete(xfer); 1905 splx(s); 1906 } 1907 1908 /* Close a device bulk pipe. */ 1909 void 1910 uhci_device_bulk_close(usbd_pipe_handle pipe) 1911 { 1912 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1913 usbd_device_handle dev = upipe->pipe.device; 1914 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1915 1916 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1917 } 1918 1919 usbd_status 1920 uhci_device_ctrl_transfer(usbd_xfer_handle xfer) 1921 { 1922 usbd_status err; 1923 1924 /* Insert last in queue. */ 1925 err = usb_insert_transfer(xfer); 1926 if (err) 1927 return (err); 1928 1929 /* 1930 * Pipe isn't running (otherwise err would be USBD_INPROG), 1931 * so start it first. 1932 */ 1933 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1934 } 1935 1936 usbd_status 1937 uhci_device_ctrl_start(usbd_xfer_handle xfer) 1938 { 1939 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1940 usbd_status err; 1941 1942 if (sc->sc_dying) 1943 return (USBD_IOERROR); 1944 1945 #ifdef DIAGNOSTIC 1946 if (!(xfer->rqflags & URQ_REQUEST)) 1947 panic("uhci_device_ctrl_transfer: not a request\n"); 1948 #endif 1949 1950 err = uhci_device_request(xfer); 1951 if (err) 1952 return (err); 1953 1954 if (sc->sc_bus.use_polling) 1955 uhci_waitintr(sc, xfer); 1956 return (USBD_IN_PROGRESS); 1957 } 1958 1959 usbd_status 1960 uhci_device_intr_transfer(usbd_xfer_handle xfer) 1961 { 1962 usbd_status err; 1963 1964 /* Insert last in queue. */ 1965 err = usb_insert_transfer(xfer); 1966 if (err) 1967 return (err); 1968 1969 /* 1970 * Pipe isn't running (otherwise err would be USBD_INPROG), 1971 * so start it first. 1972 */ 1973 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1974 } 1975 1976 usbd_status 1977 uhci_device_intr_start(usbd_xfer_handle xfer) 1978 { 1979 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1980 usbd_device_handle dev = upipe->pipe.device; 1981 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1982 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1983 uhci_soft_td_t *data, *dataend; 1984 uhci_soft_qh_t *sqh; 1985 usbd_status err; 1986 int i, s; 1987 1988 if (sc->sc_dying) 1989 return (USBD_IOERROR); 1990 1991 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1992 xfer, xfer->length, xfer->flags)); 1993 1994 #ifdef DIAGNOSTIC 1995 if (xfer->rqflags & URQ_REQUEST) 1996 panic("uhci_device_intr_transfer: a request\n"); 1997 #endif 1998 1999 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2000 &xfer->dmabuf, &data, &dataend); 2001 if (err) 2002 return (err); 2003 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2004 2005 #ifdef UHCI_DEBUG 2006 if (uhcidebug > 10) { 2007 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 2008 uhci_dump_tds(data); 2009 uhci_dump_qh(upipe->u.intr.qhs[0]); 2010 } 2011 #endif 2012 2013 s = splusb(); 2014 /* Set up interrupt info. */ 2015 ii->xfer = xfer; 2016 ii->stdstart = data; 2017 ii->stdend = dataend; 2018 #ifdef DIAGNOSTIC 2019 if (!ii->isdone) { 2020 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 2021 } 2022 ii->isdone = 0; 2023 #endif 2024 2025 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 2026 upipe->u.intr.qhs[0])); 2027 for (i = 0; i < upipe->u.intr.npoll; i++) { 2028 sqh = upipe->u.intr.qhs[i]; 2029 sqh->elink = data; 2030 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 2031 } 2032 uhci_add_intr_info(sc, ii); 2033 xfer->status = USBD_IN_PROGRESS; 2034 splx(s); 2035 2036 #ifdef UHCI_DEBUG 2037 if (uhcidebug > 10) { 2038 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 2039 uhci_dump_tds(data); 2040 uhci_dump_qh(upipe->u.intr.qhs[0]); 2041 } 2042 #endif 2043 2044 return (USBD_IN_PROGRESS); 2045 } 2046 2047 /* Abort a device control request. */ 2048 void 2049 uhci_device_ctrl_abort(usbd_xfer_handle xfer) 2050 { 2051 DPRINTF(("uhci_device_ctrl_abort:\n")); 2052 uhci_abort_xfer(xfer, USBD_CANCELLED); 2053 } 2054 2055 /* Close a device control pipe. */ 2056 void 2057 uhci_device_ctrl_close(usbd_pipe_handle pipe) 2058 { 2059 } 2060 2061 /* Abort a device interrupt request. */ 2062 void 2063 uhci_device_intr_abort(usbd_xfer_handle xfer) 2064 { 2065 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 2066 if (xfer->pipe->intrxfer == xfer) { 2067 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 2068 xfer->pipe->intrxfer = 0; 2069 } 2070 uhci_abort_xfer(xfer, USBD_CANCELLED); 2071 } 2072 2073 /* Close a device interrupt pipe. */ 2074 void 2075 uhci_device_intr_close(usbd_pipe_handle pipe) 2076 { 2077 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2078 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2079 int i, npoll; 2080 int s; 2081 2082 /* Unlink descriptors from controller data structures. */ 2083 npoll = upipe->u.intr.npoll; 2084 s = splusb(); 2085 for (i = 0; i < npoll; i++) 2086 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 2087 splx(s); 2088 2089 /* 2090 * We now have to wait for any activity on the physical 2091 * descriptors to stop. 2092 */ 2093 usb_delay_ms(&sc->sc_bus, 2); 2094 2095 for(i = 0; i < npoll; i++) 2096 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 2097 free(upipe->u.intr.qhs, M_USBHC); 2098 2099 /* XXX free other resources */ 2100 } 2101 2102 usbd_status 2103 uhci_device_request(usbd_xfer_handle xfer) 2104 { 2105 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2106 usb_device_request_t *req = &xfer->request; 2107 usbd_device_handle dev = upipe->pipe.device; 2108 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2109 int addr = dev->address; 2110 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2111 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2112 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 2113 uhci_soft_qh_t *sqh; 2114 int len; 2115 u_int32_t ls; 2116 usbd_status err; 2117 int isread; 2118 int s; 2119 2120 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 2121 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 2122 req->bmRequestType, req->bRequest, UGETW(req->wValue), 2123 UGETW(req->wIndex), UGETW(req->wLength), 2124 addr, endpt)); 2125 2126 ls = dev->lowspeed ? UHCI_TD_LS : 0; 2127 isread = req->bmRequestType & UT_READ; 2128 len = UGETW(req->wLength); 2129 2130 setup = upipe->u.ctl.setup; 2131 stat = upipe->u.ctl.stat; 2132 sqh = upipe->u.ctl.sqh; 2133 2134 /* Set up data transaction */ 2135 if (len != 0) { 2136 upipe->nexttoggle = 1; 2137 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 2138 &xfer->dmabuf, &data, &dataend); 2139 if (err) 2140 return (err); 2141 next = data; 2142 dataend->link.std = stat; 2143 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2144 } else { 2145 next = stat; 2146 } 2147 upipe->u.ctl.length = len; 2148 2149 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2150 2151 setup->link.std = next; 2152 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2153 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2154 UHCI_TD_ACTIVE); 2155 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2156 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2157 2158 stat->link.std = NULL; 2159 stat->td.td_link = htole32(UHCI_PTR_T); 2160 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2161 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2162 stat->td.td_token = 2163 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2164 UHCI_TD_IN (0, endpt, addr, 1)); 2165 stat->td.td_buffer = htole32(0); 2166 2167 #ifdef UHCI_DEBUG 2168 if (uhcidebug > 10) { 2169 DPRINTF(("uhci_device_request: before transfer\n")); 2170 uhci_dump_tds(setup); 2171 } 2172 #endif 2173 2174 /* Set up interrupt info. */ 2175 ii->xfer = xfer; 2176 ii->stdstart = setup; 2177 ii->stdend = stat; 2178 #ifdef DIAGNOSTIC 2179 if (!ii->isdone) { 2180 printf("uhci_device_request: not done, ii=%p\n", ii); 2181 } 2182 ii->isdone = 0; 2183 #endif 2184 2185 sqh->elink = setup; 2186 sqh->qh.qh_elink = htole32(setup->physaddr | UHCI_PTR_TD); 2187 2188 s = splusb(); 2189 if (dev->lowspeed) 2190 uhci_add_ls_ctrl(sc, sqh); 2191 else 2192 uhci_add_hs_ctrl(sc, sqh); 2193 uhci_add_intr_info(sc, ii); 2194 #ifdef UHCI_DEBUG 2195 if (uhcidebug > 12) { 2196 uhci_soft_td_t *std; 2197 uhci_soft_qh_t *xqh; 2198 uhci_soft_qh_t *sxqh; 2199 int maxqh = 0; 2200 uhci_physaddr_t link; 2201 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2202 for (std = sc->sc_vframes[0].htd, link = 0; 2203 (link & UHCI_PTR_QH) == 0; 2204 std = std->link.std) { 2205 link = le32toh(std->td.td_link); 2206 uhci_dump_td(std); 2207 } 2208 sxqh = (uhci_soft_qh_t *)std; 2209 uhci_dump_qh(sxqh); 2210 for (xqh = sxqh; 2211 xqh != NULL; 2212 xqh = (maxqh++ == 5 || xqh->hlink == sxqh || 2213 xqh->hlink == xqh ? NULL : xqh->hlink)) { 2214 uhci_dump_qh(xqh); 2215 } 2216 DPRINTF(("Enqueued QH:\n")); 2217 uhci_dump_qh(sqh); 2218 uhci_dump_tds(sqh->elink); 2219 } 2220 #endif 2221 if (xfer->timeout && !sc->sc_bus.use_polling) { 2222 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2223 uhci_timeout, ii); 2224 } 2225 xfer->status = USBD_IN_PROGRESS; 2226 splx(s); 2227 2228 return (USBD_NORMAL_COMPLETION); 2229 } 2230 2231 usbd_status 2232 uhci_device_isoc_transfer(usbd_xfer_handle xfer) 2233 { 2234 usbd_status err; 2235 2236 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2237 2238 /* Put it on our queue, */ 2239 err = usb_insert_transfer(xfer); 2240 2241 /* bail out on error, */ 2242 if (err && err != USBD_IN_PROGRESS) 2243 return (err); 2244 2245 /* XXX should check inuse here */ 2246 2247 /* insert into schedule, */ 2248 uhci_device_isoc_enter(xfer); 2249 2250 /* and start if the pipe wasn't running */ 2251 if (!err) 2252 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2253 2254 return (err); 2255 } 2256 2257 void 2258 uhci_device_isoc_enter(usbd_xfer_handle xfer) 2259 { 2260 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2261 usbd_device_handle dev = upipe->pipe.device; 2262 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2263 struct iso *iso = &upipe->u.iso; 2264 uhci_soft_td_t *std; 2265 u_int32_t buf, len, status; 2266 int s, i, next, nframes; 2267 2268 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2269 "nframes=%d\n", 2270 iso->inuse, iso->next, xfer, xfer->nframes)); 2271 2272 if (sc->sc_dying) 2273 return; 2274 2275 if (xfer->status == USBD_IN_PROGRESS) { 2276 /* This request has already been entered into the frame list */ 2277 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2278 /* XXX */ 2279 } 2280 2281 #ifdef DIAGNOSTIC 2282 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2283 printf("uhci_device_isoc_enter: overflow!\n"); 2284 #endif 2285 2286 next = iso->next; 2287 if (next == -1) { 2288 /* Not in use yet, schedule it a few frames ahead. */ 2289 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2290 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2291 } 2292 2293 xfer->status = USBD_IN_PROGRESS; 2294 UXFER(xfer)->curframe = next; 2295 2296 buf = DMAADDR(&xfer->dmabuf); 2297 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2298 UHCI_TD_ACTIVE | 2299 UHCI_TD_IOS); 2300 nframes = xfer->nframes; 2301 s = splusb(); 2302 for (i = 0; i < nframes; i++) { 2303 std = iso->stds[next]; 2304 if (++next >= UHCI_VFRAMELIST_COUNT) 2305 next = 0; 2306 len = xfer->frlengths[i]; 2307 std->td.td_buffer = htole32(buf); 2308 if (i == nframes - 1) 2309 status |= UHCI_TD_IOC; 2310 std->td.td_status = htole32(status); 2311 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2312 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2313 #ifdef UHCI_DEBUG 2314 if (uhcidebug > 5) { 2315 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2316 uhci_dump_td(std); 2317 } 2318 #endif 2319 buf += len; 2320 } 2321 iso->next = next; 2322 iso->inuse += xfer->nframes; 2323 2324 splx(s); 2325 } 2326 2327 usbd_status 2328 uhci_device_isoc_start(usbd_xfer_handle xfer) 2329 { 2330 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2331 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2332 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2333 uhci_soft_td_t *end; 2334 int s, i; 2335 2336 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2337 2338 if (sc->sc_dying) 2339 return (USBD_IOERROR); 2340 2341 #ifdef DIAGNOSTIC 2342 if (xfer->status != USBD_IN_PROGRESS) 2343 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2344 #endif 2345 2346 /* Find the last TD */ 2347 i = UXFER(xfer)->curframe + xfer->nframes; 2348 if (i >= UHCI_VFRAMELIST_COUNT) 2349 i -= UHCI_VFRAMELIST_COUNT; 2350 end = upipe->u.iso.stds[i]; 2351 2352 #ifdef DIAGNOSTIC 2353 if (end == NULL) { 2354 printf("uhci_device_isoc_start: end == NULL\n"); 2355 return (USBD_INVAL); 2356 } 2357 #endif 2358 2359 s = splusb(); 2360 2361 /* Set up interrupt info. */ 2362 ii->xfer = xfer; 2363 ii->stdstart = end; 2364 ii->stdend = end; 2365 #ifdef DIAGNOSTIC 2366 if (!ii->isdone) 2367 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2368 ii->isdone = 0; 2369 #endif 2370 uhci_add_intr_info(sc, ii); 2371 2372 splx(s); 2373 2374 return (USBD_IN_PROGRESS); 2375 } 2376 2377 void 2378 uhci_device_isoc_abort(usbd_xfer_handle xfer) 2379 { 2380 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2381 uhci_soft_td_t **stds = upipe->u.iso.stds; 2382 uhci_soft_td_t *std; 2383 int i, n, s, nframes, maxlen, len; 2384 2385 s = splusb(); 2386 2387 /* Transfer is already done. */ 2388 if (xfer->status != USBD_NOT_STARTED && 2389 xfer->status != USBD_IN_PROGRESS) { 2390 splx(s); 2391 return; 2392 } 2393 2394 /* Give xfer the requested abort code. */ 2395 xfer->status = USBD_CANCELLED; 2396 2397 /* make hardware ignore it, */ 2398 nframes = xfer->nframes; 2399 n = UXFER(xfer)->curframe; 2400 maxlen = 0; 2401 for (i = 0; i < nframes; i++) { 2402 std = stds[n]; 2403 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2404 len = UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token)); 2405 if (len > maxlen) 2406 maxlen = len; 2407 if (++n >= UHCI_VFRAMELIST_COUNT) 2408 n = 0; 2409 } 2410 2411 /* and wait until we are sure the hardware has finished. */ 2412 delay(maxlen); 2413 2414 #ifdef DIAGNOSTIC 2415 UXFER(xfer)->iinfo.isdone = 1; 2416 #endif 2417 /* Run callback and remove from interrupt list. */ 2418 usb_transfer_complete(xfer); 2419 2420 splx(s); 2421 } 2422 2423 void 2424 uhci_device_isoc_close(usbd_pipe_handle pipe) 2425 { 2426 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2427 usbd_device_handle dev = upipe->pipe.device; 2428 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2429 uhci_soft_td_t *std, *vstd; 2430 struct iso *iso; 2431 int i, s; 2432 2433 /* 2434 * Make sure all TDs are marked as inactive. 2435 * Wait for completion. 2436 * Unschedule. 2437 * Deallocate. 2438 */ 2439 iso = &upipe->u.iso; 2440 2441 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2442 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2443 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2444 2445 s = splusb(); 2446 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2447 std = iso->stds[i]; 2448 for (vstd = sc->sc_vframes[i].htd; 2449 vstd != NULL && vstd->link.std != std; 2450 vstd = vstd->link.std) 2451 ; 2452 if (vstd == NULL) { 2453 /*panic*/ 2454 printf("uhci_device_isoc_close: %p not found\n", std); 2455 splx(s); 2456 return; 2457 } 2458 vstd->link = std->link; 2459 vstd->td.td_link = std->td.td_link; 2460 uhci_free_std(sc, std); 2461 } 2462 splx(s); 2463 2464 free(iso->stds, M_USBHC); 2465 } 2466 2467 usbd_status 2468 uhci_setup_isoc(usbd_pipe_handle pipe) 2469 { 2470 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2471 usbd_device_handle dev = upipe->pipe.device; 2472 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2473 int addr = upipe->pipe.device->address; 2474 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2475 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2476 uhci_soft_td_t *std, *vstd; 2477 u_int32_t token; 2478 struct iso *iso; 2479 int i, s; 2480 2481 iso = &upipe->u.iso; 2482 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2483 M_USBHC, M_WAITOK); 2484 2485 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2486 UHCI_TD_OUT(0, endpt, addr, 0); 2487 2488 /* Allocate the TDs and mark as inactive; */ 2489 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2490 std = uhci_alloc_std(sc); 2491 if (std == 0) 2492 goto bad; 2493 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2494 std->td.td_token = htole32(token); 2495 iso->stds[i] = std; 2496 } 2497 2498 /* Insert TDs into schedule. */ 2499 s = splusb(); 2500 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2501 std = iso->stds[i]; 2502 vstd = sc->sc_vframes[i].htd; 2503 std->link = vstd->link; 2504 std->td.td_link = vstd->td.td_link; 2505 vstd->link.std = std; 2506 vstd->td.td_link = htole32(std->physaddr | UHCI_PTR_TD); 2507 } 2508 splx(s); 2509 2510 iso->next = -1; 2511 iso->inuse = 0; 2512 2513 return (USBD_NORMAL_COMPLETION); 2514 2515 bad: 2516 while (--i >= 0) 2517 uhci_free_std(sc, iso->stds[i]); 2518 free(iso->stds, M_USBHC); 2519 return (USBD_NOMEM); 2520 } 2521 2522 void 2523 uhci_device_isoc_done(usbd_xfer_handle xfer) 2524 { 2525 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2526 2527 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2528 2529 if (ii->xfer != xfer) 2530 /* Not on interrupt list, ignore it. */ 2531 return; 2532 2533 #ifdef DIAGNOSTIC 2534 if (xfer->busy_free != XFER_BUSY) { 2535 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2536 xfer, xfer->busy_free); 2537 return; 2538 } 2539 2540 if (ii->stdend == NULL) { 2541 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2542 #ifdef UHCI_DEBUG 2543 uhci_dump_ii(ii); 2544 #endif 2545 return; 2546 } 2547 #endif 2548 2549 /* Turn off the interrupt since it is active even if the TD is not. */ 2550 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2551 2552 uhci_del_intr_info(ii); /* remove from active list */ 2553 } 2554 2555 void 2556 uhci_device_intr_done(usbd_xfer_handle xfer) 2557 { 2558 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2559 uhci_softc_t *sc = ii->sc; 2560 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2561 uhci_soft_qh_t *sqh; 2562 int i, npoll; 2563 2564 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2565 2566 npoll = upipe->u.intr.npoll; 2567 for(i = 0; i < npoll; i++) { 2568 sqh = upipe->u.intr.qhs[i]; 2569 sqh->elink = NULL; 2570 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2571 } 2572 uhci_free_std_chain(sc, ii->stdstart, 0); 2573 2574 /* XXX Wasteful. */ 2575 if (xfer->pipe->repeat) { 2576 uhci_soft_td_t *data, *dataend; 2577 2578 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2579 2580 /* This alloc cannot fail since we freed the chain above. */ 2581 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2582 &xfer->dmabuf, &data, &dataend); 2583 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2584 2585 #ifdef UHCI_DEBUG 2586 if (uhcidebug > 10) { 2587 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2588 uhci_dump_tds(data); 2589 uhci_dump_qh(upipe->u.intr.qhs[0]); 2590 } 2591 #endif 2592 2593 ii->stdstart = data; 2594 ii->stdend = dataend; 2595 #ifdef DIAGNOSTIC 2596 if (!ii->isdone) { 2597 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2598 } 2599 ii->isdone = 0; 2600 #endif 2601 for (i = 0; i < npoll; i++) { 2602 sqh = upipe->u.intr.qhs[i]; 2603 sqh->elink = data; 2604 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 2605 } 2606 xfer->status = USBD_IN_PROGRESS; 2607 /* The ii is already on the examined list, just leave it. */ 2608 } else { 2609 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2610 uhci_del_intr_info(ii); 2611 } 2612 } 2613 2614 /* Deallocate request data structures */ 2615 void 2616 uhci_device_ctrl_done(usbd_xfer_handle xfer) 2617 { 2618 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2619 uhci_softc_t *sc = ii->sc; 2620 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2621 2622 #ifdef DIAGNOSTIC 2623 if (!(xfer->rqflags & URQ_REQUEST)) 2624 panic("uhci_ctrl_done: not a request\n"); 2625 #endif 2626 2627 uhci_del_intr_info(ii); /* remove from active list */ 2628 2629 if (upipe->pipe.device->lowspeed) 2630 uhci_remove_ls_ctrl(sc, upipe->u.ctl.sqh); 2631 else 2632 uhci_remove_hs_ctrl(sc, upipe->u.ctl.sqh); 2633 2634 if (upipe->u.ctl.length != 0) 2635 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2636 2637 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2638 } 2639 2640 /* Deallocate request data structures */ 2641 void 2642 uhci_device_bulk_done(usbd_xfer_handle xfer) 2643 { 2644 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2645 uhci_softc_t *sc = ii->sc; 2646 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2647 2648 uhci_del_intr_info(ii); /* remove from active list */ 2649 2650 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2651 2652 uhci_free_std_chain(sc, ii->stdstart, 0); 2653 2654 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2655 } 2656 2657 /* Add interrupt QH, called with vflock. */ 2658 void 2659 uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2660 { 2661 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2662 uhci_soft_qh_t *eqh; 2663 2664 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2665 2666 eqh = vf->eqh; 2667 sqh->hlink = eqh->hlink; 2668 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2669 eqh->hlink = sqh; 2670 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 2671 vf->eqh = sqh; 2672 vf->bandwidth++; 2673 } 2674 2675 /* Remove interrupt QH. */ 2676 void 2677 uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2678 { 2679 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2680 uhci_soft_qh_t *pqh; 2681 2682 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2683 2684 /* See comment in uhci_remove_ctrl() */ 2685 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 2686 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2687 delay(UHCI_QH_REMOVE_DELAY); 2688 } 2689 2690 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2691 pqh->hlink = sqh->hlink; 2692 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2693 delay(UHCI_QH_REMOVE_DELAY); 2694 if (vf->eqh == sqh) 2695 vf->eqh = pqh; 2696 vf->bandwidth--; 2697 } 2698 2699 usbd_status 2700 uhci_device_setintr(uhci_softc_t *sc, struct uhci_pipe *upipe, int ival) 2701 { 2702 uhci_soft_qh_t *sqh; 2703 int i, npoll, s; 2704 u_int bestbw, bw, bestoffs, offs; 2705 2706 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2707 if (ival == 0) { 2708 printf("uhci_setintr: 0 interval\n"); 2709 return (USBD_INVAL); 2710 } 2711 2712 if (ival > UHCI_VFRAMELIST_COUNT) 2713 ival = UHCI_VFRAMELIST_COUNT; 2714 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2715 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2716 2717 upipe->u.intr.npoll = npoll; 2718 upipe->u.intr.qhs = 2719 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2720 2721 /* 2722 * Figure out which offset in the schedule that has most 2723 * bandwidth left over. 2724 */ 2725 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2726 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2727 for (bw = i = 0; i < npoll; i++) 2728 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2729 if (bw < bestbw) { 2730 bestbw = bw; 2731 bestoffs = offs; 2732 } 2733 } 2734 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2735 2736 for(i = 0; i < npoll; i++) { 2737 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2738 sqh->elink = NULL; 2739 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2740 sqh->pos = MOD(i * ival + bestoffs); 2741 } 2742 #undef MOD 2743 2744 s = splusb(); 2745 /* Enter QHs into the controller data structures. */ 2746 for(i = 0; i < npoll; i++) 2747 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2748 splx(s); 2749 2750 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2751 return (USBD_NORMAL_COMPLETION); 2752 } 2753 2754 /* Open a new pipe. */ 2755 usbd_status 2756 uhci_open(usbd_pipe_handle pipe) 2757 { 2758 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2759 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2760 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2761 usbd_status err; 2762 int ival; 2763 2764 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2765 pipe, pipe->device->address, 2766 ed->bEndpointAddress, sc->sc_addr)); 2767 2768 upipe->aborting = 0; 2769 upipe->nexttoggle = 0; 2770 2771 if (pipe->device->address == sc->sc_addr) { 2772 switch (ed->bEndpointAddress) { 2773 case USB_CONTROL_ENDPOINT: 2774 pipe->methods = &uhci_root_ctrl_methods; 2775 break; 2776 case UE_DIR_IN | UHCI_INTR_ENDPT: 2777 pipe->methods = &uhci_root_intr_methods; 2778 break; 2779 default: 2780 return (USBD_INVAL); 2781 } 2782 } else { 2783 switch (ed->bmAttributes & UE_XFERTYPE) { 2784 case UE_CONTROL: 2785 pipe->methods = &uhci_device_ctrl_methods; 2786 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2787 if (upipe->u.ctl.sqh == NULL) 2788 goto bad; 2789 upipe->u.ctl.setup = uhci_alloc_std(sc); 2790 if (upipe->u.ctl.setup == NULL) { 2791 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2792 goto bad; 2793 } 2794 upipe->u.ctl.stat = uhci_alloc_std(sc); 2795 if (upipe->u.ctl.stat == NULL) { 2796 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2797 uhci_free_std(sc, upipe->u.ctl.setup); 2798 goto bad; 2799 } 2800 err = usb_allocmem(&sc->sc_bus, 2801 sizeof(usb_device_request_t), 2802 0, &upipe->u.ctl.reqdma); 2803 if (err) { 2804 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2805 uhci_free_std(sc, upipe->u.ctl.setup); 2806 uhci_free_std(sc, upipe->u.ctl.stat); 2807 goto bad; 2808 } 2809 break; 2810 case UE_INTERRUPT: 2811 pipe->methods = &uhci_device_intr_methods; 2812 ival = pipe->interval; 2813 if (ival == USBD_DEFAULT_INTERVAL) 2814 ival = ed->bInterval; 2815 return (uhci_device_setintr(sc, upipe, ival)); 2816 case UE_ISOCHRONOUS: 2817 pipe->methods = &uhci_device_isoc_methods; 2818 return (uhci_setup_isoc(pipe)); 2819 case UE_BULK: 2820 pipe->methods = &uhci_device_bulk_methods; 2821 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2822 if (upipe->u.bulk.sqh == NULL) 2823 goto bad; 2824 break; 2825 } 2826 } 2827 return (USBD_NORMAL_COMPLETION); 2828 2829 bad: 2830 return (USBD_NOMEM); 2831 } 2832 2833 /* 2834 * Data structures and routines to emulate the root hub. 2835 */ 2836 usb_device_descriptor_t uhci_devd = { 2837 USB_DEVICE_DESCRIPTOR_SIZE, 2838 UDESC_DEVICE, /* type */ 2839 {0x00, 0x01}, /* USB version */ 2840 UDCLASS_HUB, /* class */ 2841 UDSUBCLASS_HUB, /* subclass */ 2842 0, /* protocol */ 2843 64, /* max packet */ 2844 {0},{0},{0x00,0x01}, /* device id */ 2845 1,2,0, /* string indicies */ 2846 1 /* # of configurations */ 2847 }; 2848 2849 usb_config_descriptor_t uhci_confd = { 2850 USB_CONFIG_DESCRIPTOR_SIZE, 2851 UDESC_CONFIG, 2852 {USB_CONFIG_DESCRIPTOR_SIZE + 2853 USB_INTERFACE_DESCRIPTOR_SIZE + 2854 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2855 1, 2856 1, 2857 0, 2858 UC_SELF_POWERED, 2859 0 /* max power */ 2860 }; 2861 2862 usb_interface_descriptor_t uhci_ifcd = { 2863 USB_INTERFACE_DESCRIPTOR_SIZE, 2864 UDESC_INTERFACE, 2865 0, 2866 0, 2867 1, 2868 UICLASS_HUB, 2869 UISUBCLASS_HUB, 2870 0, 2871 0 2872 }; 2873 2874 usb_endpoint_descriptor_t uhci_endpd = { 2875 USB_ENDPOINT_DESCRIPTOR_SIZE, 2876 UDESC_ENDPOINT, 2877 UE_DIR_IN | UHCI_INTR_ENDPT, 2878 UE_INTERRUPT, 2879 {8}, 2880 255 2881 }; 2882 2883 usb_hub_descriptor_t uhci_hubd_piix = { 2884 USB_HUB_DESCRIPTOR_SIZE, 2885 UDESC_HUB, 2886 2, 2887 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2888 50, /* power on to power good */ 2889 0, 2890 { 0x00 }, /* both ports are removable */ 2891 }; 2892 2893 int 2894 uhci_str(usb_string_descriptor_t *p, int l, char *s) 2895 { 2896 int i; 2897 2898 if (l == 0) 2899 return (0); 2900 p->bLength = 2 * strlen(s) + 2; 2901 if (l == 1) 2902 return (1); 2903 p->bDescriptorType = UDESC_STRING; 2904 l -= 2; 2905 for (i = 0; s[i] && l > 1; i++, l -= 2) 2906 USETW2(p->bString[i], 0, s[i]); 2907 return (2*i+2); 2908 } 2909 2910 /* 2911 * Simulate a hardware hub by handling all the necessary requests. 2912 */ 2913 usbd_status 2914 uhci_root_ctrl_transfer(usbd_xfer_handle xfer) 2915 { 2916 usbd_status err; 2917 2918 /* Insert last in queue. */ 2919 err = usb_insert_transfer(xfer); 2920 if (err) 2921 return (err); 2922 2923 /* 2924 * Pipe isn't running (otherwise err would be USBD_INPROG), 2925 * so start it first. 2926 */ 2927 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2928 } 2929 2930 usbd_status 2931 uhci_root_ctrl_start(usbd_xfer_handle xfer) 2932 { 2933 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2934 usb_device_request_t *req; 2935 void *buf = NULL; 2936 int port, x; 2937 int s, len, value, index, status, change, l, totlen = 0; 2938 usb_port_status_t ps; 2939 usbd_status err; 2940 2941 if (sc->sc_dying) 2942 return (USBD_IOERROR); 2943 2944 #ifdef DIAGNOSTIC 2945 if (!(xfer->rqflags & URQ_REQUEST)) 2946 panic("uhci_root_ctrl_transfer: not a request\n"); 2947 #endif 2948 req = &xfer->request; 2949 2950 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2951 req->bmRequestType, req->bRequest)); 2952 2953 len = UGETW(req->wLength); 2954 value = UGETW(req->wValue); 2955 index = UGETW(req->wIndex); 2956 2957 if (len != 0) 2958 buf = KERNADDR(&xfer->dmabuf); 2959 2960 #define C(x,y) ((x) | ((y) << 8)) 2961 switch(C(req->bRequest, req->bmRequestType)) { 2962 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2963 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2964 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2965 /* 2966 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2967 * for the integrated root hub. 2968 */ 2969 break; 2970 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2971 if (len > 0) { 2972 *(u_int8_t *)buf = sc->sc_conf; 2973 totlen = 1; 2974 } 2975 break; 2976 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2977 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2978 switch(value >> 8) { 2979 case UDESC_DEVICE: 2980 if ((value & 0xff) != 0) { 2981 err = USBD_IOERROR; 2982 goto ret; 2983 } 2984 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2985 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2986 memcpy(buf, &uhci_devd, l); 2987 break; 2988 case UDESC_CONFIG: 2989 if ((value & 0xff) != 0) { 2990 err = USBD_IOERROR; 2991 goto ret; 2992 } 2993 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2994 memcpy(buf, &uhci_confd, l); 2995 buf = (char *)buf + l; 2996 len -= l; 2997 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2998 totlen += l; 2999 memcpy(buf, &uhci_ifcd, l); 3000 buf = (char *)buf + l; 3001 len -= l; 3002 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 3003 totlen += l; 3004 memcpy(buf, &uhci_endpd, l); 3005 break; 3006 case UDESC_STRING: 3007 if (len == 0) 3008 break; 3009 *(u_int8_t *)buf = 0; 3010 totlen = 1; 3011 switch (value & 0xff) { 3012 case 1: /* Vendor */ 3013 totlen = uhci_str(buf, len, sc->sc_vendor); 3014 break; 3015 case 2: /* Product */ 3016 totlen = uhci_str(buf, len, "UHCI root hub"); 3017 break; 3018 } 3019 break; 3020 default: 3021 err = USBD_IOERROR; 3022 goto ret; 3023 } 3024 break; 3025 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 3026 if (len > 0) { 3027 *(u_int8_t *)buf = 0; 3028 totlen = 1; 3029 } 3030 break; 3031 case C(UR_GET_STATUS, UT_READ_DEVICE): 3032 if (len > 1) { 3033 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 3034 totlen = 2; 3035 } 3036 break; 3037 case C(UR_GET_STATUS, UT_READ_INTERFACE): 3038 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 3039 if (len > 1) { 3040 USETW(((usb_status_t *)buf)->wStatus, 0); 3041 totlen = 2; 3042 } 3043 break; 3044 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 3045 if (value >= USB_MAX_DEVICES) { 3046 err = USBD_IOERROR; 3047 goto ret; 3048 } 3049 sc->sc_addr = value; 3050 break; 3051 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 3052 if (value != 0 && value != 1) { 3053 err = USBD_IOERROR; 3054 goto ret; 3055 } 3056 sc->sc_conf = value; 3057 break; 3058 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 3059 break; 3060 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 3061 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 3062 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 3063 err = USBD_IOERROR; 3064 goto ret; 3065 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 3066 break; 3067 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 3068 break; 3069 /* Hub requests */ 3070 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 3071 break; 3072 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 3073 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 3074 "port=%d feature=%d\n", 3075 index, value)); 3076 if (index == 1) 3077 port = UHCI_PORTSC1; 3078 else if (index == 2) 3079 port = UHCI_PORTSC2; 3080 else { 3081 err = USBD_IOERROR; 3082 goto ret; 3083 } 3084 switch(value) { 3085 case UHF_PORT_ENABLE: 3086 x = URWMASK(UREAD2(sc, port)); 3087 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 3088 break; 3089 case UHF_PORT_SUSPEND: 3090 x = URWMASK(UREAD2(sc, port)); 3091 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 3092 break; 3093 case UHF_PORT_RESET: 3094 x = URWMASK(UREAD2(sc, port)); 3095 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3096 break; 3097 case UHF_C_PORT_CONNECTION: 3098 x = URWMASK(UREAD2(sc, port)); 3099 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 3100 break; 3101 case UHF_C_PORT_ENABLE: 3102 x = URWMASK(UREAD2(sc, port)); 3103 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 3104 break; 3105 case UHF_C_PORT_OVER_CURRENT: 3106 x = URWMASK(UREAD2(sc, port)); 3107 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 3108 break; 3109 case UHF_C_PORT_RESET: 3110 sc->sc_isreset = 0; 3111 err = USBD_NORMAL_COMPLETION; 3112 goto ret; 3113 case UHF_PORT_CONNECTION: 3114 case UHF_PORT_OVER_CURRENT: 3115 case UHF_PORT_POWER: 3116 case UHF_PORT_LOW_SPEED: 3117 case UHF_C_PORT_SUSPEND: 3118 default: 3119 err = USBD_IOERROR; 3120 goto ret; 3121 } 3122 break; 3123 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 3124 if (index == 1) 3125 port = UHCI_PORTSC1; 3126 else if (index == 2) 3127 port = UHCI_PORTSC2; 3128 else { 3129 err = USBD_IOERROR; 3130 goto ret; 3131 } 3132 if (len > 0) { 3133 *(u_int8_t *)buf = 3134 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3135 UHCI_PORTSC_LS_SHIFT; 3136 totlen = 1; 3137 } 3138 break; 3139 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3140 if (value != 0) { 3141 err = USBD_IOERROR; 3142 goto ret; 3143 } 3144 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3145 totlen = l; 3146 memcpy(buf, &uhci_hubd_piix, l); 3147 break; 3148 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3149 if (len != 4) { 3150 err = USBD_IOERROR; 3151 goto ret; 3152 } 3153 memset(buf, 0, len); 3154 totlen = len; 3155 break; 3156 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3157 if (index == 1) 3158 port = UHCI_PORTSC1; 3159 else if (index == 2) 3160 port = UHCI_PORTSC2; 3161 else { 3162 err = USBD_IOERROR; 3163 goto ret; 3164 } 3165 if (len != 4) { 3166 err = USBD_IOERROR; 3167 goto ret; 3168 } 3169 x = UREAD2(sc, port); 3170 status = change = 0; 3171 if (x & UHCI_PORTSC_CCS ) 3172 status |= UPS_CURRENT_CONNECT_STATUS; 3173 if (x & UHCI_PORTSC_CSC ) 3174 change |= UPS_C_CONNECT_STATUS; 3175 if (x & UHCI_PORTSC_PE ) 3176 status |= UPS_PORT_ENABLED; 3177 if (x & UHCI_PORTSC_POEDC) 3178 change |= UPS_C_PORT_ENABLED; 3179 if (x & UHCI_PORTSC_OCI ) 3180 status |= UPS_OVERCURRENT_INDICATOR; 3181 if (x & UHCI_PORTSC_OCIC ) 3182 change |= UPS_C_OVERCURRENT_INDICATOR; 3183 if (x & UHCI_PORTSC_SUSP ) 3184 status |= UPS_SUSPEND; 3185 if (x & UHCI_PORTSC_LSDA ) 3186 status |= UPS_LOW_SPEED; 3187 status |= UPS_PORT_POWER; 3188 if (sc->sc_isreset) 3189 change |= UPS_C_PORT_RESET; 3190 USETW(ps.wPortStatus, status); 3191 USETW(ps.wPortChange, change); 3192 l = min(len, sizeof ps); 3193 memcpy(buf, &ps, l); 3194 totlen = l; 3195 break; 3196 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3197 err = USBD_IOERROR; 3198 goto ret; 3199 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3200 break; 3201 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3202 if (index == 1) 3203 port = UHCI_PORTSC1; 3204 else if (index == 2) 3205 port = UHCI_PORTSC2; 3206 else { 3207 err = USBD_IOERROR; 3208 goto ret; 3209 } 3210 switch(value) { 3211 case UHF_PORT_ENABLE: 3212 x = URWMASK(UREAD2(sc, port)); 3213 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3214 break; 3215 case UHF_PORT_SUSPEND: 3216 x = URWMASK(UREAD2(sc, port)); 3217 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3218 break; 3219 case UHF_PORT_RESET: 3220 x = URWMASK(UREAD2(sc, port)); 3221 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3222 usb_delay_ms(&sc->sc_bus, 50); /*XXX USB v1.1 7.1.7.3 */ 3223 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3224 delay(100); 3225 x = UREAD2(sc, port); 3226 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3227 usb_delay_ms(&sc->sc_bus, 10); /* XXX */ 3228 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3229 index, UREAD2(sc, port))); 3230 sc->sc_isreset = 1; 3231 break; 3232 case UHF_PORT_POWER: 3233 /* Pretend we turned on power */ 3234 err = USBD_NORMAL_COMPLETION; 3235 goto ret; 3236 case UHF_C_PORT_CONNECTION: 3237 case UHF_C_PORT_ENABLE: 3238 case UHF_C_PORT_OVER_CURRENT: 3239 case UHF_PORT_CONNECTION: 3240 case UHF_PORT_OVER_CURRENT: 3241 case UHF_PORT_LOW_SPEED: 3242 case UHF_C_PORT_SUSPEND: 3243 case UHF_C_PORT_RESET: 3244 default: 3245 err = USBD_IOERROR; 3246 goto ret; 3247 } 3248 break; 3249 default: 3250 err = USBD_IOERROR; 3251 goto ret; 3252 } 3253 xfer->actlen = totlen; 3254 err = USBD_NORMAL_COMPLETION; 3255 ret: 3256 xfer->status = err; 3257 s = splusb(); 3258 usb_transfer_complete(xfer); 3259 splx(s); 3260 return (USBD_IN_PROGRESS); 3261 } 3262 3263 /* Abort a root control request. */ 3264 void 3265 uhci_root_ctrl_abort(usbd_xfer_handle xfer) 3266 { 3267 /* Nothing to do, all transfers are synchronous. */ 3268 } 3269 3270 /* Close the root pipe. */ 3271 void 3272 uhci_root_ctrl_close(usbd_pipe_handle pipe) 3273 { 3274 DPRINTF(("uhci_root_ctrl_close\n")); 3275 } 3276 3277 /* Abort a root interrupt request. */ 3278 void 3279 uhci_root_intr_abort(usbd_xfer_handle xfer) 3280 { 3281 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3282 3283 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3284 sc->sc_intr_xfer = NULL; 3285 3286 if (xfer->pipe->intrxfer == xfer) { 3287 DPRINTF(("uhci_root_intr_abort: remove\n")); 3288 xfer->pipe->intrxfer = 0; 3289 } 3290 xfer->status = USBD_CANCELLED; 3291 #ifdef DIAGNOSTIC 3292 UXFER(xfer)->iinfo.isdone = 1; 3293 #endif 3294 usb_transfer_complete(xfer); 3295 } 3296 3297 usbd_status 3298 uhci_root_intr_transfer(usbd_xfer_handle xfer) 3299 { 3300 usbd_status err; 3301 3302 /* Insert last in queue. */ 3303 err = usb_insert_transfer(xfer); 3304 if (err) 3305 return (err); 3306 3307 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3308 * start first 3309 */ 3310 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3311 } 3312 3313 /* Start a transfer on the root interrupt pipe */ 3314 usbd_status 3315 uhci_root_intr_start(usbd_xfer_handle xfer) 3316 { 3317 usbd_pipe_handle pipe = xfer->pipe; 3318 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3319 3320 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3321 xfer, xfer->length, xfer->flags)); 3322 3323 if (sc->sc_dying) 3324 return (USBD_IOERROR); 3325 3326 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3327 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3328 sc->sc_intr_xfer = xfer; 3329 return (USBD_IN_PROGRESS); 3330 } 3331 3332 /* Close the root interrupt pipe. */ 3333 void 3334 uhci_root_intr_close(usbd_pipe_handle pipe) 3335 { 3336 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3337 3338 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3339 sc->sc_intr_xfer = NULL; 3340 DPRINTF(("uhci_root_intr_close\n")); 3341 } 3342
Indexes created Tue Sep 30 17:09:57 GMT 2025