uhci.c revision 1.139
1 /* $NetBSD: uhci.c,v 1.139 2001/10/24 00:42:05 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 int 1160 uhci_intr(void *arg) 1161 { 1162 uhci_softc_t *sc = arg; 1163 int status; 1164 int ack; 1165 1166 #ifdef UHCI_DEBUG 1167 if (uhcidebug > 15) { 1168 DPRINTF(("%s: uhci_intr\n", USBDEVNAME(sc->sc_bus.bdev))); 1169 uhci_dumpregs(sc); 1170 } 1171 #endif 1172 1173 status = UREAD2(sc, UHCI_STS); 1174 if (status == 0) /* The interrupt was not for us. */ 1175 return (0); 1176 1177 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1178 if (sc->sc_suspend != PWR_RESUME) 1179 printf("uhci_intr: suspended sts=0x%x\n", status); 1180 #endif 1181 1182 if (sc->sc_suspend != PWR_RESUME) { 1183 printf("%s: interrupt while not operating ignored\n", 1184 USBDEVNAME(sc->sc_bus.bdev)); 1185 UWRITE2(sc, UHCI_STS, status); /* acknowledge the ints */ 1186 return (0); 1187 } 1188 1189 ack = 0; 1190 if (status & UHCI_STS_USBINT) 1191 ack |= UHCI_STS_USBINT; 1192 if (status & UHCI_STS_USBEI) 1193 ack |= UHCI_STS_USBEI; 1194 if (status & UHCI_STS_RD) { 1195 ack |= UHCI_STS_RD; 1196 #ifdef UHCI_DEBUG 1197 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1198 #endif 1199 } 1200 if (status & UHCI_STS_HSE) { 1201 ack |= UHCI_STS_HSE; 1202 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1203 } 1204 if (status & UHCI_STS_HCPE) { 1205 ack |= UHCI_STS_HCPE; 1206 printf("%s: host controller process error\n", 1207 USBDEVNAME(sc->sc_bus.bdev)); 1208 } 1209 if (status & UHCI_STS_HCH) { 1210 /* no acknowledge needed */ 1211 if (!sc->sc_dying) { 1212 printf("%s: host controller halted\n", 1213 USBDEVNAME(sc->sc_bus.bdev)); 1214 #ifdef UHCI_DEBUG 1215 uhci_dump_all(sc); 1216 #endif 1217 } 1218 sc->sc_dying = 1; 1219 } 1220 1221 if (!ack) 1222 return (0); /* nothing to acknowledge */ 1223 UWRITE2(sc, UHCI_STS, ack); /* acknowledge the ints */ 1224 1225 sc->sc_bus.no_intrs++; 1226 usb_schedsoftintr(&sc->sc_bus); 1227 1228 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1229 1230 return (1); 1231 } 1232 1233 void 1234 uhci_softintr(void *v) 1235 { 1236 uhci_softc_t *sc = v; 1237 uhci_intr_info_t *ii; 1238 1239 DPRINTFN(10,("%s: uhci_softintr\n", USBDEVNAME(sc->sc_bus.bdev))); 1240 1241 sc->sc_bus.intr_context++; 1242 1243 /* 1244 * Interrupts on UHCI really suck. When the host controller 1245 * interrupts because a transfer is completed there is no 1246 * way of knowing which transfer it was. You can scan down 1247 * the TDs and QHs of the previous frame to limit the search, 1248 * but that assumes that the interrupt was not delayed by more 1249 * than 1 ms, which may not always be true (e.g. after debug 1250 * output on a slow console). 1251 * We scan all interrupt descriptors to see if any have 1252 * completed. 1253 */ 1254 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1255 uhci_check_intr(sc, ii); 1256 1257 sc->sc_bus.intr_context--; 1258 } 1259 1260 /* Check for an interrupt. */ 1261 void 1262 uhci_check_intr(uhci_softc_t *sc, uhci_intr_info_t *ii) 1263 { 1264 uhci_soft_td_t *std, *lstd; 1265 u_int32_t status; 1266 1267 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1268 #ifdef DIAGNOSTIC 1269 if (ii == NULL) { 1270 printf("uhci_check_intr: no ii? %p\n", ii); 1271 return; 1272 } 1273 #endif 1274 if (ii->stdstart == NULL) 1275 return; 1276 lstd = ii->stdend; 1277 #ifdef DIAGNOSTIC 1278 if (lstd == NULL) { 1279 printf("uhci_check_intr: std==0\n"); 1280 return; 1281 } 1282 #endif 1283 /* 1284 * If the last TD is still active we need to check whether there 1285 * is a an error somewhere in the middle, or whether there was a 1286 * short packet (SPD and not ACTIVE). 1287 */ 1288 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1289 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1290 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1291 status = le32toh(std->td.td_status); 1292 /* If there's an active TD the xfer isn't done. */ 1293 if (status & UHCI_TD_ACTIVE) 1294 break; 1295 /* Any kind of error makes the xfer done. */ 1296 if (status & UHCI_TD_STALLED) 1297 goto done; 1298 /* We want short packets, and it is short: it's done */ 1299 if ((status & UHCI_TD_SPD) && 1300 UHCI_TD_GET_ACTLEN(status) < 1301 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1302 goto done; 1303 } 1304 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1305 ii, ii->stdstart)); 1306 return; 1307 } 1308 done: 1309 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1310 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1311 uhci_idone(ii); 1312 } 1313 1314 /* Called at splusb() */ 1315 void 1316 uhci_idone(uhci_intr_info_t *ii) 1317 { 1318 usbd_xfer_handle xfer = ii->xfer; 1319 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1320 uhci_soft_td_t *std; 1321 u_int32_t status = 0, nstatus; 1322 int actlen; 1323 1324 #ifdef DIAGNOSTIC 1325 { 1326 int s = splhigh(); 1327 if (ii->isdone) { 1328 splx(s); 1329 #ifdef UHCI_DEBUG 1330 printf("uhci_idone: ii is done!\n "); 1331 uhci_dump_ii(ii); 1332 #else 1333 printf("uhci_idone: ii=%p is done!\n", ii); 1334 #endif 1335 return; 1336 } 1337 ii->isdone = 1; 1338 splx(s); 1339 } 1340 #endif 1341 1342 if (xfer->status == USBD_CANCELLED || 1343 xfer->status == USBD_TIMEOUT) { 1344 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1345 return; 1346 } 1347 1348 if (xfer->nframes != 0) { 1349 /* Isoc transfer, do things differently. */ 1350 uhci_soft_td_t **stds = upipe->u.iso.stds; 1351 int i, n, nframes, len; 1352 1353 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1354 1355 nframes = xfer->nframes; 1356 actlen = 0; 1357 n = UXFER(xfer)->curframe; 1358 for (i = 0; i < nframes; i++) { 1359 std = stds[n]; 1360 #ifdef UHCI_DEBUG 1361 if (uhcidebug > 5) { 1362 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1363 uhci_dump_td(std); 1364 } 1365 #endif 1366 if (++n >= UHCI_VFRAMELIST_COUNT) 1367 n = 0; 1368 status = le32toh(std->td.td_status); 1369 len = UHCI_TD_GET_ACTLEN(status); 1370 xfer->frlengths[i] = len; 1371 actlen += len; 1372 } 1373 upipe->u.iso.inuse -= nframes; 1374 xfer->actlen = actlen; 1375 xfer->status = USBD_NORMAL_COMPLETION; 1376 usb_transfer_complete(xfer); 1377 return; 1378 } 1379 1380 #ifdef UHCI_DEBUG 1381 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1382 ii, xfer, upipe)); 1383 if (uhcidebug > 10) 1384 uhci_dump_tds(ii->stdstart); 1385 #endif 1386 1387 /* The transfer is done, compute actual length and status. */ 1388 actlen = 0; 1389 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1390 nstatus = le32toh(std->td.td_status); 1391 if (nstatus & UHCI_TD_ACTIVE) 1392 break; 1393 1394 status = nstatus; 1395 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1396 UHCI_TD_PID_SETUP) 1397 actlen += UHCI_TD_GET_ACTLEN(status); 1398 } 1399 /* If there are left over TDs we need to update the toggle. */ 1400 if (std != NULL) 1401 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1402 1403 status &= UHCI_TD_ERROR; 1404 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 1405 actlen, status)); 1406 xfer->actlen = actlen; 1407 if (status != 0) { 1408 #ifdef UHCI_DEBUG 1409 char sbuf[128]; 1410 1411 bitmask_snprintf((int)status, "\20\22BITSTUFF\23CRCTO\24NAK\25" 1412 "BABBLE\26DBUFFER\27STALLED\30ACTIVE", 1413 sbuf, sizeof(sbuf)); 1414 1415 DPRINTFN((status == UHCI_TD_STALLED)*10, 1416 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1417 "status 0x%s\n", 1418 xfer->pipe->device->address, 1419 xfer->pipe->endpoint->edesc->bEndpointAddress, 1420 sbuf)); 1421 #endif 1422 1423 if (status == UHCI_TD_STALLED) 1424 xfer->status = USBD_STALLED; 1425 else 1426 xfer->status = USBD_IOERROR; /* more info XXX */ 1427 } else { 1428 xfer->status = USBD_NORMAL_COMPLETION; 1429 } 1430 usb_transfer_complete(xfer); 1431 } 1432 1433 /* 1434 * Called when a request does not complete. 1435 */ 1436 void 1437 uhci_timeout(void *addr) 1438 { 1439 uhci_intr_info_t *ii = addr; 1440 1441 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1442 1443 #ifdef UHCI_DEBUG 1444 if (uhcidebug > 10) 1445 uhci_dump_tds(ii->stdstart); 1446 #endif 1447 1448 ii->xfer->device->bus->intr_context++; 1449 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1450 ii->xfer->device->bus->intr_context--; 1451 } 1452 1453 /* 1454 * Wait here until controller claims to have an interrupt. 1455 * Then call uhci_intr and return. Use timeout to avoid waiting 1456 * too long. 1457 * Only used during boot when interrupts are not enabled yet. 1458 */ 1459 void 1460 uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer) 1461 { 1462 int timo = xfer->timeout; 1463 uhci_intr_info_t *ii; 1464 1465 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1466 1467 xfer->status = USBD_IN_PROGRESS; 1468 for (; timo >= 0; timo--) { 1469 usb_delay_ms(&sc->sc_bus, 1); 1470 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1471 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1472 uhci_intr(sc); 1473 if (xfer->status != USBD_IN_PROGRESS) 1474 return; 1475 } 1476 } 1477 1478 /* Timeout */ 1479 DPRINTF(("uhci_waitintr: timeout\n")); 1480 for (ii = LIST_FIRST(&sc->sc_intrhead); 1481 ii != NULL && ii->xfer != xfer; 1482 ii = LIST_NEXT(ii, list)) 1483 ; 1484 #ifdef DIAGNOSTIC 1485 if (ii == NULL) 1486 panic("uhci_waitintr: lost intr_info\n"); 1487 #endif 1488 uhci_idone(ii); 1489 } 1490 1491 void 1492 uhci_poll(struct usbd_bus *bus) 1493 { 1494 uhci_softc_t *sc = (uhci_softc_t *)bus; 1495 1496 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1497 uhci_intr(sc); 1498 } 1499 1500 #if 0 1501 void 1502 uhci_reset(uhci_softc_t *sc) 1503 { 1504 int n; 1505 1506 UHCICMD(sc, UHCI_CMD_HCRESET); 1507 /* The reset bit goes low when the controller is done. */ 1508 for (n = 0; n < UHCI_RESET_TIMEOUT && 1509 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1510 usb_delay_ms(&sc->sc_bus, 1); 1511 if (n >= UHCI_RESET_TIMEOUT) 1512 printf("%s: controller did not reset\n", 1513 USBDEVNAME(sc->sc_bus.bdev)); 1514 } 1515 #endif 1516 1517 usbd_status 1518 uhci_run(uhci_softc_t *sc, int run) 1519 { 1520 int s, n, running; 1521 u_int16_t cmd; 1522 1523 run = run != 0; 1524 s = splhardusb(); 1525 DPRINTF(("uhci_run: setting run=%d\n", run)); 1526 cmd = UREAD2(sc, UHCI_CMD); 1527 if (run) 1528 cmd |= UHCI_CMD_RS; 1529 else 1530 cmd &= ~UHCI_CMD_RS; 1531 UHCICMD(sc, cmd); 1532 for(n = 0; n < 10; n++) { 1533 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1534 /* return when we've entered the state we want */ 1535 if (run == running) { 1536 splx(s); 1537 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1538 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1539 return (USBD_NORMAL_COMPLETION); 1540 } 1541 usb_delay_ms(&sc->sc_bus, 1); 1542 } 1543 splx(s); 1544 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1545 run ? "start" : "stop"); 1546 return (USBD_IOERROR); 1547 } 1548 1549 /* 1550 * Memory management routines. 1551 * uhci_alloc_std allocates TDs 1552 * uhci_alloc_sqh allocates QHs 1553 * These two routines do their own free list management, 1554 * partly for speed, partly because allocating DMAable memory 1555 * has page size granularaity so much memory would be wasted if 1556 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1557 */ 1558 1559 uhci_soft_td_t * 1560 uhci_alloc_std(uhci_softc_t *sc) 1561 { 1562 uhci_soft_td_t *std; 1563 usbd_status err; 1564 int i, offs; 1565 usb_dma_t dma; 1566 1567 if (sc->sc_freetds == NULL) { 1568 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1569 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1570 UHCI_TD_ALIGN, &dma); 1571 if (err) 1572 return (0); 1573 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1574 offs = i * UHCI_STD_SIZE; 1575 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1576 std->physaddr = DMAADDR(&dma) + offs; 1577 std->link.std = sc->sc_freetds; 1578 sc->sc_freetds = std; 1579 } 1580 } 1581 std = sc->sc_freetds; 1582 sc->sc_freetds = std->link.std; 1583 memset(&std->td, 0, sizeof(uhci_td_t)); 1584 return std; 1585 } 1586 1587 void 1588 uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std) 1589 { 1590 #ifdef DIAGNOSTIC 1591 #define TD_IS_FREE 0x12345678 1592 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1593 printf("uhci_free_std: freeing free TD %p\n", std); 1594 return; 1595 } 1596 std->td.td_token = htole32(TD_IS_FREE); 1597 #endif 1598 std->link.std = sc->sc_freetds; 1599 sc->sc_freetds = std; 1600 } 1601 1602 uhci_soft_qh_t * 1603 uhci_alloc_sqh(uhci_softc_t *sc) 1604 { 1605 uhci_soft_qh_t *sqh; 1606 usbd_status err; 1607 int i, offs; 1608 usb_dma_t dma; 1609 1610 if (sc->sc_freeqhs == NULL) { 1611 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1612 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1613 UHCI_QH_ALIGN, &dma); 1614 if (err) 1615 return (0); 1616 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1617 offs = i * UHCI_SQH_SIZE; 1618 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1619 sqh->physaddr = DMAADDR(&dma) + offs; 1620 sqh->hlink = sc->sc_freeqhs; 1621 sc->sc_freeqhs = sqh; 1622 } 1623 } 1624 sqh = sc->sc_freeqhs; 1625 sc->sc_freeqhs = sqh->hlink; 1626 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1627 return (sqh); 1628 } 1629 1630 void 1631 uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1632 { 1633 sqh->hlink = sc->sc_freeqhs; 1634 sc->sc_freeqhs = sqh; 1635 } 1636 1637 void 1638 uhci_free_std_chain(uhci_softc_t *sc, uhci_soft_td_t *std, 1639 uhci_soft_td_t *stdend) 1640 { 1641 uhci_soft_td_t *p; 1642 1643 for (; std != stdend; std = p) { 1644 p = std->link.std; 1645 uhci_free_std(sc, std); 1646 } 1647 } 1648 1649 usbd_status 1650 uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len, 1651 int rd, u_int16_t flags, usb_dma_t *dma, 1652 uhci_soft_td_t **sp, uhci_soft_td_t **ep) 1653 { 1654 uhci_soft_td_t *p, *lastp; 1655 uhci_physaddr_t lastlink; 1656 int i, ntd, l, tog, maxp; 1657 u_int32_t status; 1658 int addr = upipe->pipe.device->address; 1659 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1660 1661 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1662 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1663 upipe->pipe.device->lowspeed, flags)); 1664 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1665 if (maxp == 0) { 1666 printf("uhci_alloc_std_chain: maxp=0\n"); 1667 return (USBD_INVAL); 1668 } 1669 ntd = (len + maxp - 1) / maxp; 1670 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1671 ntd++; 1672 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1673 if (ntd == 0) { 1674 *sp = *ep = 0; 1675 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1676 return (USBD_NORMAL_COMPLETION); 1677 } 1678 tog = upipe->nexttoggle; 1679 if (ntd % 2 == 0) 1680 tog ^= 1; 1681 upipe->nexttoggle = tog ^ 1; 1682 lastp = NULL; 1683 lastlink = UHCI_PTR_T; 1684 ntd--; 1685 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1686 if (upipe->pipe.device->lowspeed) 1687 status |= UHCI_TD_LS; 1688 if (flags & USBD_SHORT_XFER_OK) 1689 status |= UHCI_TD_SPD; 1690 for (i = ntd; i >= 0; i--) { 1691 p = uhci_alloc_std(sc); 1692 if (p == NULL) { 1693 uhci_free_std_chain(sc, lastp, 0); 1694 return (USBD_NOMEM); 1695 } 1696 p->link.std = lastp; 1697 p->td.td_link = htole32(lastlink | UHCI_PTR_VF | UHCI_PTR_TD); 1698 lastp = p; 1699 lastlink = p->physaddr; 1700 p->td.td_status = htole32(status); 1701 if (i == ntd) { 1702 /* last TD */ 1703 l = len % maxp; 1704 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1705 l = maxp; 1706 *ep = p; 1707 } else 1708 l = maxp; 1709 p->td.td_token = 1710 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1711 UHCI_TD_OUT(l, endpt, addr, tog)); 1712 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1713 tog ^= 1; 1714 } 1715 *sp = lastp; 1716 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1717 upipe->nexttoggle)); 1718 return (USBD_NORMAL_COMPLETION); 1719 } 1720 1721 void 1722 uhci_device_clear_toggle(usbd_pipe_handle pipe) 1723 { 1724 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1725 upipe->nexttoggle = 0; 1726 } 1727 1728 void 1729 uhci_noop(usbd_pipe_handle pipe) 1730 { 1731 } 1732 1733 usbd_status 1734 uhci_device_bulk_transfer(usbd_xfer_handle xfer) 1735 { 1736 usbd_status err; 1737 1738 /* Insert last in queue. */ 1739 err = usb_insert_transfer(xfer); 1740 if (err) 1741 return (err); 1742 1743 /* 1744 * Pipe isn't running (otherwise err would be USBD_INPROG), 1745 * so start it first. 1746 */ 1747 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1748 } 1749 1750 usbd_status 1751 uhci_device_bulk_start(usbd_xfer_handle xfer) 1752 { 1753 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1754 usbd_device_handle dev = upipe->pipe.device; 1755 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1756 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1757 uhci_soft_td_t *data, *dataend; 1758 uhci_soft_qh_t *sqh; 1759 usbd_status err; 1760 int len, isread, endpt; 1761 int s; 1762 1763 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1764 xfer, xfer->length, xfer->flags)); 1765 1766 if (sc->sc_dying) 1767 return (USBD_IOERROR); 1768 1769 #ifdef DIAGNOSTIC 1770 if (xfer->rqflags & URQ_REQUEST) 1771 panic("uhci_device_bulk_transfer: a request\n"); 1772 #endif 1773 1774 len = xfer->length; 1775 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1776 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1777 sqh = upipe->u.bulk.sqh; 1778 1779 upipe->u.bulk.isread = isread; 1780 upipe->u.bulk.length = len; 1781 1782 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1783 &xfer->dmabuf, &data, &dataend); 1784 if (err) 1785 return (err); 1786 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1787 1788 #ifdef UHCI_DEBUG 1789 if (uhcidebug > 8) { 1790 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1791 uhci_dump_tds(data); 1792 } 1793 #endif 1794 1795 /* Set up interrupt info. */ 1796 ii->xfer = xfer; 1797 ii->stdstart = data; 1798 ii->stdend = dataend; 1799 #ifdef DIAGNOSTIC 1800 if (!ii->isdone) { 1801 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1802 } 1803 ii->isdone = 0; 1804 #endif 1805 1806 sqh->elink = data; 1807 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 1808 1809 s = splusb(); 1810 uhci_add_bulk(sc, sqh); 1811 uhci_add_intr_info(sc, ii); 1812 1813 if (xfer->timeout && !sc->sc_bus.use_polling) { 1814 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1815 uhci_timeout, ii); 1816 } 1817 xfer->status = USBD_IN_PROGRESS; 1818 splx(s); 1819 1820 #ifdef UHCI_DEBUG 1821 if (uhcidebug > 10) { 1822 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1823 uhci_dump_tds(data); 1824 } 1825 #endif 1826 1827 if (sc->sc_bus.use_polling) 1828 uhci_waitintr(sc, xfer); 1829 1830 return (USBD_IN_PROGRESS); 1831 } 1832 1833 /* Abort a device bulk request. */ 1834 void 1835 uhci_device_bulk_abort(usbd_xfer_handle xfer) 1836 { 1837 DPRINTF(("uhci_device_bulk_abort:\n")); 1838 uhci_abort_xfer(xfer, USBD_CANCELLED); 1839 } 1840 1841 /* 1842 * XXX This way of aborting is neither safe, nor good. 1843 * But it will have to do until I figure out what to do. 1844 * I apologize for the delay(). 1845 */ 1846 void 1847 uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status) 1848 { 1849 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1850 uhci_soft_td_t *std; 1851 int s; 1852 1853 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1854 1855 s = splusb(); 1856 1857 /* Transfer is already done. */ 1858 if (xfer->status != USBD_NOT_STARTED && 1859 xfer->status != USBD_IN_PROGRESS) { 1860 splx(s); 1861 return; 1862 } 1863 1864 /* Make interrupt routine ignore it, */ 1865 xfer->status = status; 1866 1867 /* don't timeout, */ 1868 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1869 1870 /* make hardware ignore it, */ 1871 for (std = ii->stdstart; std != NULL; std = std->link.std) 1872 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1873 1874 xfer->hcpriv = ii; 1875 1876 splx(s); 1877 1878 delay(1000); 1879 1880 s = splusb(); 1881 #ifdef DIAGNOSTIC 1882 ii->isdone = 1; 1883 #endif 1884 usb_transfer_complete(xfer); 1885 splx(s); 1886 } 1887 1888 /* Close a device bulk pipe. */ 1889 void 1890 uhci_device_bulk_close(usbd_pipe_handle pipe) 1891 { 1892 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1893 usbd_device_handle dev = upipe->pipe.device; 1894 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1895 1896 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1897 } 1898 1899 usbd_status 1900 uhci_device_ctrl_transfer(usbd_xfer_handle xfer) 1901 { 1902 usbd_status err; 1903 1904 /* Insert last in queue. */ 1905 err = usb_insert_transfer(xfer); 1906 if (err) 1907 return (err); 1908 1909 /* 1910 * Pipe isn't running (otherwise err would be USBD_INPROG), 1911 * so start it first. 1912 */ 1913 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1914 } 1915 1916 usbd_status 1917 uhci_device_ctrl_start(usbd_xfer_handle xfer) 1918 { 1919 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1920 usbd_status err; 1921 1922 if (sc->sc_dying) 1923 return (USBD_IOERROR); 1924 1925 #ifdef DIAGNOSTIC 1926 if (!(xfer->rqflags & URQ_REQUEST)) 1927 panic("uhci_device_ctrl_transfer: not a request\n"); 1928 #endif 1929 1930 err = uhci_device_request(xfer); 1931 if (err) 1932 return (err); 1933 1934 if (sc->sc_bus.use_polling) 1935 uhci_waitintr(sc, xfer); 1936 return (USBD_IN_PROGRESS); 1937 } 1938 1939 usbd_status 1940 uhci_device_intr_transfer(usbd_xfer_handle xfer) 1941 { 1942 usbd_status err; 1943 1944 /* Insert last in queue. */ 1945 err = usb_insert_transfer(xfer); 1946 if (err) 1947 return (err); 1948 1949 /* 1950 * Pipe isn't running (otherwise err would be USBD_INPROG), 1951 * so start it first. 1952 */ 1953 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1954 } 1955 1956 usbd_status 1957 uhci_device_intr_start(usbd_xfer_handle xfer) 1958 { 1959 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1960 usbd_device_handle dev = upipe->pipe.device; 1961 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1962 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1963 uhci_soft_td_t *data, *dataend; 1964 uhci_soft_qh_t *sqh; 1965 usbd_status err; 1966 int i, s; 1967 1968 if (sc->sc_dying) 1969 return (USBD_IOERROR); 1970 1971 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1972 xfer, xfer->length, xfer->flags)); 1973 1974 #ifdef DIAGNOSTIC 1975 if (xfer->rqflags & URQ_REQUEST) 1976 panic("uhci_device_intr_transfer: a request\n"); 1977 #endif 1978 1979 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 1980 &xfer->dmabuf, &data, &dataend); 1981 if (err) 1982 return (err); 1983 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1984 1985 #ifdef UHCI_DEBUG 1986 if (uhcidebug > 10) { 1987 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 1988 uhci_dump_tds(data); 1989 uhci_dump_qh(upipe->u.intr.qhs[0]); 1990 } 1991 #endif 1992 1993 s = splusb(); 1994 /* Set up interrupt info. */ 1995 ii->xfer = xfer; 1996 ii->stdstart = data; 1997 ii->stdend = dataend; 1998 #ifdef DIAGNOSTIC 1999 if (!ii->isdone) { 2000 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 2001 } 2002 ii->isdone = 0; 2003 #endif 2004 2005 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 2006 upipe->u.intr.qhs[0])); 2007 for (i = 0; i < upipe->u.intr.npoll; i++) { 2008 sqh = upipe->u.intr.qhs[i]; 2009 sqh->elink = data; 2010 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 2011 } 2012 uhci_add_intr_info(sc, ii); 2013 xfer->status = USBD_IN_PROGRESS; 2014 splx(s); 2015 2016 #ifdef UHCI_DEBUG 2017 if (uhcidebug > 10) { 2018 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 2019 uhci_dump_tds(data); 2020 uhci_dump_qh(upipe->u.intr.qhs[0]); 2021 } 2022 #endif 2023 2024 return (USBD_IN_PROGRESS); 2025 } 2026 2027 /* Abort a device control request. */ 2028 void 2029 uhci_device_ctrl_abort(usbd_xfer_handle xfer) 2030 { 2031 DPRINTF(("uhci_device_ctrl_abort:\n")); 2032 uhci_abort_xfer(xfer, USBD_CANCELLED); 2033 } 2034 2035 /* Close a device control pipe. */ 2036 void 2037 uhci_device_ctrl_close(usbd_pipe_handle pipe) 2038 { 2039 } 2040 2041 /* Abort a device interrupt request. */ 2042 void 2043 uhci_device_intr_abort(usbd_xfer_handle xfer) 2044 { 2045 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 2046 if (xfer->pipe->intrxfer == xfer) { 2047 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 2048 xfer->pipe->intrxfer = 0; 2049 } 2050 uhci_abort_xfer(xfer, USBD_CANCELLED); 2051 } 2052 2053 /* Close a device interrupt pipe. */ 2054 void 2055 uhci_device_intr_close(usbd_pipe_handle pipe) 2056 { 2057 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2058 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2059 int i, npoll; 2060 int s; 2061 2062 /* Unlink descriptors from controller data structures. */ 2063 npoll = upipe->u.intr.npoll; 2064 s = splusb(); 2065 for (i = 0; i < npoll; i++) 2066 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 2067 splx(s); 2068 2069 /* 2070 * We now have to wait for any activity on the physical 2071 * descriptors to stop. 2072 */ 2073 usb_delay_ms(&sc->sc_bus, 2); 2074 2075 for(i = 0; i < npoll; i++) 2076 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 2077 free(upipe->u.intr.qhs, M_USBHC); 2078 2079 /* XXX free other resources */ 2080 } 2081 2082 usbd_status 2083 uhci_device_request(usbd_xfer_handle xfer) 2084 { 2085 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2086 usb_device_request_t *req = &xfer->request; 2087 usbd_device_handle dev = upipe->pipe.device; 2088 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2089 int addr = dev->address; 2090 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2091 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2092 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 2093 uhci_soft_qh_t *sqh; 2094 int len; 2095 u_int32_t ls; 2096 usbd_status err; 2097 int isread; 2098 int s; 2099 2100 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 2101 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 2102 req->bmRequestType, req->bRequest, UGETW(req->wValue), 2103 UGETW(req->wIndex), UGETW(req->wLength), 2104 addr, endpt)); 2105 2106 ls = dev->lowspeed ? UHCI_TD_LS : 0; 2107 isread = req->bmRequestType & UT_READ; 2108 len = UGETW(req->wLength); 2109 2110 setup = upipe->u.ctl.setup; 2111 stat = upipe->u.ctl.stat; 2112 sqh = upipe->u.ctl.sqh; 2113 2114 /* Set up data transaction */ 2115 if (len != 0) { 2116 upipe->nexttoggle = 1; 2117 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 2118 &xfer->dmabuf, &data, &dataend); 2119 if (err) 2120 return (err); 2121 next = data; 2122 dataend->link.std = stat; 2123 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2124 } else { 2125 next = stat; 2126 } 2127 upipe->u.ctl.length = len; 2128 2129 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2130 2131 setup->link.std = next; 2132 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2133 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2134 UHCI_TD_ACTIVE); 2135 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2136 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2137 2138 stat->link.std = NULL; 2139 stat->td.td_link = htole32(UHCI_PTR_T); 2140 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2141 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2142 stat->td.td_token = 2143 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2144 UHCI_TD_IN (0, endpt, addr, 1)); 2145 stat->td.td_buffer = htole32(0); 2146 2147 #ifdef UHCI_DEBUG 2148 if (uhcidebug > 10) { 2149 DPRINTF(("uhci_device_request: before transfer\n")); 2150 uhci_dump_tds(setup); 2151 } 2152 #endif 2153 2154 /* Set up interrupt info. */ 2155 ii->xfer = xfer; 2156 ii->stdstart = setup; 2157 ii->stdend = stat; 2158 #ifdef DIAGNOSTIC 2159 if (!ii->isdone) { 2160 printf("uhci_device_request: not done, ii=%p\n", ii); 2161 } 2162 ii->isdone = 0; 2163 #endif 2164 2165 sqh->elink = setup; 2166 sqh->qh.qh_elink = htole32(setup->physaddr | UHCI_PTR_TD); 2167 2168 s = splusb(); 2169 if (dev->lowspeed) 2170 uhci_add_ls_ctrl(sc, sqh); 2171 else 2172 uhci_add_hs_ctrl(sc, sqh); 2173 uhci_add_intr_info(sc, ii); 2174 #ifdef UHCI_DEBUG 2175 if (uhcidebug > 12) { 2176 uhci_soft_td_t *std; 2177 uhci_soft_qh_t *xqh; 2178 uhci_soft_qh_t *sxqh; 2179 int maxqh = 0; 2180 uhci_physaddr_t link; 2181 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2182 for (std = sc->sc_vframes[0].htd, link = 0; 2183 (link & UHCI_PTR_QH) == 0; 2184 std = std->link.std) { 2185 link = le32toh(std->td.td_link); 2186 uhci_dump_td(std); 2187 } 2188 sxqh = (uhci_soft_qh_t *)std; 2189 uhci_dump_qh(sxqh); 2190 for (xqh = sxqh; 2191 xqh != NULL; 2192 xqh = (maxqh++ == 5 || xqh->hlink == sxqh || 2193 xqh->hlink == xqh ? NULL : xqh->hlink)) { 2194 uhci_dump_qh(xqh); 2195 } 2196 DPRINTF(("Enqueued QH:\n")); 2197 uhci_dump_qh(sqh); 2198 uhci_dump_tds(sqh->elink); 2199 } 2200 #endif 2201 if (xfer->timeout && !sc->sc_bus.use_polling) { 2202 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2203 uhci_timeout, ii); 2204 } 2205 xfer->status = USBD_IN_PROGRESS; 2206 splx(s); 2207 2208 return (USBD_NORMAL_COMPLETION); 2209 } 2210 2211 usbd_status 2212 uhci_device_isoc_transfer(usbd_xfer_handle xfer) 2213 { 2214 usbd_status err; 2215 2216 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2217 2218 /* Put it on our queue, */ 2219 err = usb_insert_transfer(xfer); 2220 2221 /* bail out on error, */ 2222 if (err && err != USBD_IN_PROGRESS) 2223 return (err); 2224 2225 /* XXX should check inuse here */ 2226 2227 /* insert into schedule, */ 2228 uhci_device_isoc_enter(xfer); 2229 2230 /* and start if the pipe wasn't running */ 2231 if (!err) 2232 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2233 2234 return (err); 2235 } 2236 2237 void 2238 uhci_device_isoc_enter(usbd_xfer_handle xfer) 2239 { 2240 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2241 usbd_device_handle dev = upipe->pipe.device; 2242 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2243 struct iso *iso = &upipe->u.iso; 2244 uhci_soft_td_t *std; 2245 u_int32_t buf, len, status; 2246 int s, i, next, nframes; 2247 2248 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2249 "nframes=%d\n", 2250 iso->inuse, iso->next, xfer, xfer->nframes)); 2251 2252 if (sc->sc_dying) 2253 return; 2254 2255 if (xfer->status == USBD_IN_PROGRESS) { 2256 /* This request has already been entered into the frame list */ 2257 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2258 /* XXX */ 2259 } 2260 2261 #ifdef DIAGNOSTIC 2262 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2263 printf("uhci_device_isoc_enter: overflow!\n"); 2264 #endif 2265 2266 next = iso->next; 2267 if (next == -1) { 2268 /* Not in use yet, schedule it a few frames ahead. */ 2269 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2270 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2271 } 2272 2273 xfer->status = USBD_IN_PROGRESS; 2274 UXFER(xfer)->curframe = next; 2275 2276 buf = DMAADDR(&xfer->dmabuf); 2277 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2278 UHCI_TD_ACTIVE | 2279 UHCI_TD_IOS); 2280 nframes = xfer->nframes; 2281 s = splusb(); 2282 for (i = 0; i < nframes; i++) { 2283 std = iso->stds[next]; 2284 if (++next >= UHCI_VFRAMELIST_COUNT) 2285 next = 0; 2286 len = xfer->frlengths[i]; 2287 std->td.td_buffer = htole32(buf); 2288 if (i == nframes - 1) 2289 status |= UHCI_TD_IOC; 2290 std->td.td_status = htole32(status); 2291 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2292 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2293 #ifdef UHCI_DEBUG 2294 if (uhcidebug > 5) { 2295 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2296 uhci_dump_td(std); 2297 } 2298 #endif 2299 buf += len; 2300 } 2301 iso->next = next; 2302 iso->inuse += xfer->nframes; 2303 2304 splx(s); 2305 } 2306 2307 usbd_status 2308 uhci_device_isoc_start(usbd_xfer_handle xfer) 2309 { 2310 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2311 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2312 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2313 uhci_soft_td_t *end; 2314 int s, i; 2315 2316 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2317 2318 if (sc->sc_dying) 2319 return (USBD_IOERROR); 2320 2321 #ifdef DIAGNOSTIC 2322 if (xfer->status != USBD_IN_PROGRESS) 2323 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2324 #endif 2325 2326 /* Find the last TD */ 2327 i = UXFER(xfer)->curframe + xfer->nframes; 2328 if (i >= UHCI_VFRAMELIST_COUNT) 2329 i -= UHCI_VFRAMELIST_COUNT; 2330 end = upipe->u.iso.stds[i]; 2331 2332 #ifdef DIAGNOSTIC 2333 if (end == NULL) { 2334 printf("uhci_device_isoc_start: end == NULL\n"); 2335 return (USBD_INVAL); 2336 } 2337 #endif 2338 2339 s = splusb(); 2340 2341 /* Set up interrupt info. */ 2342 ii->xfer = xfer; 2343 ii->stdstart = end; 2344 ii->stdend = end; 2345 #ifdef DIAGNOSTIC 2346 if (!ii->isdone) 2347 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2348 ii->isdone = 0; 2349 #endif 2350 uhci_add_intr_info(sc, ii); 2351 2352 splx(s); 2353 2354 return (USBD_IN_PROGRESS); 2355 } 2356 2357 void 2358 uhci_device_isoc_abort(usbd_xfer_handle xfer) 2359 { 2360 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2361 uhci_soft_td_t **stds = upipe->u.iso.stds; 2362 uhci_soft_td_t *std; 2363 int i, n, s, nframes, maxlen, len; 2364 2365 s = splusb(); 2366 2367 /* Transfer is already done. */ 2368 if (xfer->status != USBD_NOT_STARTED && 2369 xfer->status != USBD_IN_PROGRESS) { 2370 splx(s); 2371 return; 2372 } 2373 2374 /* Give xfer the requested abort code. */ 2375 xfer->status = USBD_CANCELLED; 2376 2377 /* make hardware ignore it, */ 2378 nframes = xfer->nframes; 2379 n = UXFER(xfer)->curframe; 2380 maxlen = 0; 2381 for (i = 0; i < nframes; i++) { 2382 std = stds[n]; 2383 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2384 len = UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token)); 2385 if (len > maxlen) 2386 maxlen = len; 2387 if (++n >= UHCI_VFRAMELIST_COUNT) 2388 n = 0; 2389 } 2390 2391 /* and wait until we are sure the hardware has finished. */ 2392 delay(maxlen); 2393 2394 #ifdef DIAGNOSTIC 2395 UXFER(xfer)->iinfo.isdone = 1; 2396 #endif 2397 /* Run callback and remove from interrupt list. */ 2398 usb_transfer_complete(xfer); 2399 2400 splx(s); 2401 } 2402 2403 void 2404 uhci_device_isoc_close(usbd_pipe_handle pipe) 2405 { 2406 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2407 usbd_device_handle dev = upipe->pipe.device; 2408 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2409 uhci_soft_td_t *std, *vstd; 2410 struct iso *iso; 2411 int i, s; 2412 2413 /* 2414 * Make sure all TDs are marked as inactive. 2415 * Wait for completion. 2416 * Unschedule. 2417 * Deallocate. 2418 */ 2419 iso = &upipe->u.iso; 2420 2421 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2422 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2423 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2424 2425 s = splusb(); 2426 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2427 std = iso->stds[i]; 2428 for (vstd = sc->sc_vframes[i].htd; 2429 vstd != NULL && vstd->link.std != std; 2430 vstd = vstd->link.std) 2431 ; 2432 if (vstd == NULL) { 2433 /*panic*/ 2434 printf("uhci_device_isoc_close: %p not found\n", std); 2435 splx(s); 2436 return; 2437 } 2438 vstd->link = std->link; 2439 vstd->td.td_link = std->td.td_link; 2440 uhci_free_std(sc, std); 2441 } 2442 splx(s); 2443 2444 free(iso->stds, M_USBHC); 2445 } 2446 2447 usbd_status 2448 uhci_setup_isoc(usbd_pipe_handle pipe) 2449 { 2450 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2451 usbd_device_handle dev = upipe->pipe.device; 2452 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2453 int addr = upipe->pipe.device->address; 2454 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2455 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2456 uhci_soft_td_t *std, *vstd; 2457 u_int32_t token; 2458 struct iso *iso; 2459 int i, s; 2460 2461 iso = &upipe->u.iso; 2462 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2463 M_USBHC, M_WAITOK); 2464 2465 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2466 UHCI_TD_OUT(0, endpt, addr, 0); 2467 2468 /* Allocate the TDs and mark as inactive; */ 2469 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2470 std = uhci_alloc_std(sc); 2471 if (std == 0) 2472 goto bad; 2473 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2474 std->td.td_token = htole32(token); 2475 iso->stds[i] = std; 2476 } 2477 2478 /* Insert TDs into schedule. */ 2479 s = splusb(); 2480 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2481 std = iso->stds[i]; 2482 vstd = sc->sc_vframes[i].htd; 2483 std->link = vstd->link; 2484 std->td.td_link = vstd->td.td_link; 2485 vstd->link.std = std; 2486 vstd->td.td_link = htole32(std->physaddr | UHCI_PTR_TD); 2487 } 2488 splx(s); 2489 2490 iso->next = -1; 2491 iso->inuse = 0; 2492 2493 return (USBD_NORMAL_COMPLETION); 2494 2495 bad: 2496 while (--i >= 0) 2497 uhci_free_std(sc, iso->stds[i]); 2498 free(iso->stds, M_USBHC); 2499 return (USBD_NOMEM); 2500 } 2501 2502 void 2503 uhci_device_isoc_done(usbd_xfer_handle xfer) 2504 { 2505 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2506 2507 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2508 2509 if (ii->xfer != xfer) 2510 /* Not on interrupt list, ignore it. */ 2511 return; 2512 2513 #ifdef DIAGNOSTIC 2514 if (xfer->busy_free != XFER_BUSY) { 2515 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2516 xfer, xfer->busy_free); 2517 return; 2518 } 2519 2520 if (ii->stdend == NULL) { 2521 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2522 #ifdef UHCI_DEBUG 2523 uhci_dump_ii(ii); 2524 #endif 2525 return; 2526 } 2527 #endif 2528 2529 /* Turn off the interrupt since it is active even if the TD is not. */ 2530 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2531 2532 uhci_del_intr_info(ii); /* remove from active list */ 2533 } 2534 2535 void 2536 uhci_device_intr_done(usbd_xfer_handle xfer) 2537 { 2538 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2539 uhci_softc_t *sc = ii->sc; 2540 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2541 uhci_soft_qh_t *sqh; 2542 int i, npoll; 2543 2544 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2545 2546 npoll = upipe->u.intr.npoll; 2547 for(i = 0; i < npoll; i++) { 2548 sqh = upipe->u.intr.qhs[i]; 2549 sqh->elink = NULL; 2550 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2551 } 2552 uhci_free_std_chain(sc, ii->stdstart, 0); 2553 2554 /* XXX Wasteful. */ 2555 if (xfer->pipe->repeat) { 2556 uhci_soft_td_t *data, *dataend; 2557 2558 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2559 2560 /* This alloc cannot fail since we freed the chain above. */ 2561 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2562 &xfer->dmabuf, &data, &dataend); 2563 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2564 2565 #ifdef UHCI_DEBUG 2566 if (uhcidebug > 10) { 2567 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2568 uhci_dump_tds(data); 2569 uhci_dump_qh(upipe->u.intr.qhs[0]); 2570 } 2571 #endif 2572 2573 ii->stdstart = data; 2574 ii->stdend = dataend; 2575 #ifdef DIAGNOSTIC 2576 if (!ii->isdone) { 2577 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2578 } 2579 ii->isdone = 0; 2580 #endif 2581 for (i = 0; i < npoll; i++) { 2582 sqh = upipe->u.intr.qhs[i]; 2583 sqh->elink = data; 2584 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 2585 } 2586 xfer->status = USBD_IN_PROGRESS; 2587 /* The ii is already on the examined list, just leave it. */ 2588 } else { 2589 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2590 uhci_del_intr_info(ii); 2591 } 2592 } 2593 2594 /* Deallocate request data structures */ 2595 void 2596 uhci_device_ctrl_done(usbd_xfer_handle xfer) 2597 { 2598 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2599 uhci_softc_t *sc = ii->sc; 2600 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2601 2602 #ifdef DIAGNOSTIC 2603 if (!(xfer->rqflags & URQ_REQUEST)) 2604 panic("uhci_ctrl_done: not a request\n"); 2605 #endif 2606 2607 uhci_del_intr_info(ii); /* remove from active list */ 2608 2609 if (upipe->pipe.device->lowspeed) 2610 uhci_remove_ls_ctrl(sc, upipe->u.ctl.sqh); 2611 else 2612 uhci_remove_hs_ctrl(sc, upipe->u.ctl.sqh); 2613 2614 if (upipe->u.ctl.length != 0) 2615 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2616 2617 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2618 } 2619 2620 /* Deallocate request data structures */ 2621 void 2622 uhci_device_bulk_done(usbd_xfer_handle xfer) 2623 { 2624 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2625 uhci_softc_t *sc = ii->sc; 2626 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2627 2628 uhci_del_intr_info(ii); /* remove from active list */ 2629 2630 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2631 2632 uhci_free_std_chain(sc, ii->stdstart, 0); 2633 2634 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2635 } 2636 2637 /* Add interrupt QH, called with vflock. */ 2638 void 2639 uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2640 { 2641 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2642 uhci_soft_qh_t *eqh; 2643 2644 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2645 2646 eqh = vf->eqh; 2647 sqh->hlink = eqh->hlink; 2648 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2649 eqh->hlink = sqh; 2650 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 2651 vf->eqh = sqh; 2652 vf->bandwidth++; 2653 } 2654 2655 /* Remove interrupt QH. */ 2656 void 2657 uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2658 { 2659 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2660 uhci_soft_qh_t *pqh; 2661 2662 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2663 2664 /* See comment in uhci_remove_ctrl() */ 2665 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 2666 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2667 delay(UHCI_QH_REMOVE_DELAY); 2668 } 2669 2670 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2671 pqh->hlink = sqh->hlink; 2672 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2673 delay(UHCI_QH_REMOVE_DELAY); 2674 if (vf->eqh == sqh) 2675 vf->eqh = pqh; 2676 vf->bandwidth--; 2677 } 2678 2679 usbd_status 2680 uhci_device_setintr(uhci_softc_t *sc, struct uhci_pipe *upipe, int ival) 2681 { 2682 uhci_soft_qh_t *sqh; 2683 int i, npoll, s; 2684 u_int bestbw, bw, bestoffs, offs; 2685 2686 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2687 if (ival == 0) { 2688 printf("uhci_setintr: 0 interval\n"); 2689 return (USBD_INVAL); 2690 } 2691 2692 if (ival > UHCI_VFRAMELIST_COUNT) 2693 ival = UHCI_VFRAMELIST_COUNT; 2694 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2695 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2696 2697 upipe->u.intr.npoll = npoll; 2698 upipe->u.intr.qhs = 2699 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2700 2701 /* 2702 * Figure out which offset in the schedule that has most 2703 * bandwidth left over. 2704 */ 2705 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2706 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2707 for (bw = i = 0; i < npoll; i++) 2708 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2709 if (bw < bestbw) { 2710 bestbw = bw; 2711 bestoffs = offs; 2712 } 2713 } 2714 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2715 2716 for(i = 0; i < npoll; i++) { 2717 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2718 sqh->elink = NULL; 2719 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2720 sqh->pos = MOD(i * ival + bestoffs); 2721 } 2722 #undef MOD 2723 2724 s = splusb(); 2725 /* Enter QHs into the controller data structures. */ 2726 for(i = 0; i < npoll; i++) 2727 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2728 splx(s); 2729 2730 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2731 return (USBD_NORMAL_COMPLETION); 2732 } 2733 2734 /* Open a new pipe. */ 2735 usbd_status 2736 uhci_open(usbd_pipe_handle pipe) 2737 { 2738 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2739 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2740 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2741 usbd_status err; 2742 int ival; 2743 2744 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2745 pipe, pipe->device->address, 2746 ed->bEndpointAddress, sc->sc_addr)); 2747 2748 upipe->aborting = 0; 2749 upipe->nexttoggle = 0; 2750 2751 if (pipe->device->address == sc->sc_addr) { 2752 switch (ed->bEndpointAddress) { 2753 case USB_CONTROL_ENDPOINT: 2754 pipe->methods = &uhci_root_ctrl_methods; 2755 break; 2756 case UE_DIR_IN | UHCI_INTR_ENDPT: 2757 pipe->methods = &uhci_root_intr_methods; 2758 break; 2759 default: 2760 return (USBD_INVAL); 2761 } 2762 } else { 2763 switch (ed->bmAttributes & UE_XFERTYPE) { 2764 case UE_CONTROL: 2765 pipe->methods = &uhci_device_ctrl_methods; 2766 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2767 if (upipe->u.ctl.sqh == NULL) 2768 goto bad; 2769 upipe->u.ctl.setup = uhci_alloc_std(sc); 2770 if (upipe->u.ctl.setup == NULL) { 2771 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2772 goto bad; 2773 } 2774 upipe->u.ctl.stat = uhci_alloc_std(sc); 2775 if (upipe->u.ctl.stat == NULL) { 2776 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2777 uhci_free_std(sc, upipe->u.ctl.setup); 2778 goto bad; 2779 } 2780 err = usb_allocmem(&sc->sc_bus, 2781 sizeof(usb_device_request_t), 2782 0, &upipe->u.ctl.reqdma); 2783 if (err) { 2784 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2785 uhci_free_std(sc, upipe->u.ctl.setup); 2786 uhci_free_std(sc, upipe->u.ctl.stat); 2787 goto bad; 2788 } 2789 break; 2790 case UE_INTERRUPT: 2791 pipe->methods = &uhci_device_intr_methods; 2792 ival = pipe->interval; 2793 if (ival == USBD_DEFAULT_INTERVAL) 2794 ival = ed->bInterval; 2795 return (uhci_device_setintr(sc, upipe, ival)); 2796 case UE_ISOCHRONOUS: 2797 pipe->methods = &uhci_device_isoc_methods; 2798 return (uhci_setup_isoc(pipe)); 2799 case UE_BULK: 2800 pipe->methods = &uhci_device_bulk_methods; 2801 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2802 if (upipe->u.bulk.sqh == NULL) 2803 goto bad; 2804 break; 2805 } 2806 } 2807 return (USBD_NORMAL_COMPLETION); 2808 2809 bad: 2810 return (USBD_NOMEM); 2811 } 2812 2813 /* 2814 * Data structures and routines to emulate the root hub. 2815 */ 2816 usb_device_descriptor_t uhci_devd = { 2817 USB_DEVICE_DESCRIPTOR_SIZE, 2818 UDESC_DEVICE, /* type */ 2819 {0x00, 0x01}, /* USB version */ 2820 UDCLASS_HUB, /* class */ 2821 UDSUBCLASS_HUB, /* subclass */ 2822 0, /* protocol */ 2823 64, /* max packet */ 2824 {0},{0},{0x00,0x01}, /* device id */ 2825 1,2,0, /* string indicies */ 2826 1 /* # of configurations */ 2827 }; 2828 2829 usb_config_descriptor_t uhci_confd = { 2830 USB_CONFIG_DESCRIPTOR_SIZE, 2831 UDESC_CONFIG, 2832 {USB_CONFIG_DESCRIPTOR_SIZE + 2833 USB_INTERFACE_DESCRIPTOR_SIZE + 2834 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2835 1, 2836 1, 2837 0, 2838 UC_SELF_POWERED, 2839 0 /* max power */ 2840 }; 2841 2842 usb_interface_descriptor_t uhci_ifcd = { 2843 USB_INTERFACE_DESCRIPTOR_SIZE, 2844 UDESC_INTERFACE, 2845 0, 2846 0, 2847 1, 2848 UICLASS_HUB, 2849 UISUBCLASS_HUB, 2850 0, 2851 0 2852 }; 2853 2854 usb_endpoint_descriptor_t uhci_endpd = { 2855 USB_ENDPOINT_DESCRIPTOR_SIZE, 2856 UDESC_ENDPOINT, 2857 UE_DIR_IN | UHCI_INTR_ENDPT, 2858 UE_INTERRUPT, 2859 {8}, 2860 255 2861 }; 2862 2863 usb_hub_descriptor_t uhci_hubd_piix = { 2864 USB_HUB_DESCRIPTOR_SIZE, 2865 UDESC_HUB, 2866 2, 2867 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2868 50, /* power on to power good */ 2869 0, 2870 { 0x00 }, /* both ports are removable */ 2871 }; 2872 2873 int 2874 uhci_str(usb_string_descriptor_t *p, int l, char *s) 2875 { 2876 int i; 2877 2878 if (l == 0) 2879 return (0); 2880 p->bLength = 2 * strlen(s) + 2; 2881 if (l == 1) 2882 return (1); 2883 p->bDescriptorType = UDESC_STRING; 2884 l -= 2; 2885 for (i = 0; s[i] && l > 1; i++, l -= 2) 2886 USETW2(p->bString[i], 0, s[i]); 2887 return (2*i+2); 2888 } 2889 2890 /* 2891 * Simulate a hardware hub by handling all the necessary requests. 2892 */ 2893 usbd_status 2894 uhci_root_ctrl_transfer(usbd_xfer_handle xfer) 2895 { 2896 usbd_status err; 2897 2898 /* Insert last in queue. */ 2899 err = usb_insert_transfer(xfer); 2900 if (err) 2901 return (err); 2902 2903 /* 2904 * Pipe isn't running (otherwise err would be USBD_INPROG), 2905 * so start it first. 2906 */ 2907 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2908 } 2909 2910 usbd_status 2911 uhci_root_ctrl_start(usbd_xfer_handle xfer) 2912 { 2913 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2914 usb_device_request_t *req; 2915 void *buf = NULL; 2916 int port, x; 2917 int s, len, value, index, status, change, l, totlen = 0; 2918 usb_port_status_t ps; 2919 usbd_status err; 2920 2921 if (sc->sc_dying) 2922 return (USBD_IOERROR); 2923 2924 #ifdef DIAGNOSTIC 2925 if (!(xfer->rqflags & URQ_REQUEST)) 2926 panic("uhci_root_ctrl_transfer: not a request\n"); 2927 #endif 2928 req = &xfer->request; 2929 2930 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2931 req->bmRequestType, req->bRequest)); 2932 2933 len = UGETW(req->wLength); 2934 value = UGETW(req->wValue); 2935 index = UGETW(req->wIndex); 2936 2937 if (len != 0) 2938 buf = KERNADDR(&xfer->dmabuf); 2939 2940 #define C(x,y) ((x) | ((y) << 8)) 2941 switch(C(req->bRequest, req->bmRequestType)) { 2942 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2943 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2944 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2945 /* 2946 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2947 * for the integrated root hub. 2948 */ 2949 break; 2950 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2951 if (len > 0) { 2952 *(u_int8_t *)buf = sc->sc_conf; 2953 totlen = 1; 2954 } 2955 break; 2956 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2957 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2958 switch(value >> 8) { 2959 case UDESC_DEVICE: 2960 if ((value & 0xff) != 0) { 2961 err = USBD_IOERROR; 2962 goto ret; 2963 } 2964 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2965 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2966 memcpy(buf, &uhci_devd, l); 2967 break; 2968 case UDESC_CONFIG: 2969 if ((value & 0xff) != 0) { 2970 err = USBD_IOERROR; 2971 goto ret; 2972 } 2973 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2974 memcpy(buf, &uhci_confd, l); 2975 buf = (char *)buf + l; 2976 len -= l; 2977 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2978 totlen += l; 2979 memcpy(buf, &uhci_ifcd, l); 2980 buf = (char *)buf + l; 2981 len -= l; 2982 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2983 totlen += l; 2984 memcpy(buf, &uhci_endpd, l); 2985 break; 2986 case UDESC_STRING: 2987 if (len == 0) 2988 break; 2989 *(u_int8_t *)buf = 0; 2990 totlen = 1; 2991 switch (value & 0xff) { 2992 case 1: /* Vendor */ 2993 totlen = uhci_str(buf, len, sc->sc_vendor); 2994 break; 2995 case 2: /* Product */ 2996 totlen = uhci_str(buf, len, "UHCI root hub"); 2997 break; 2998 } 2999 break; 3000 default: 3001 err = USBD_IOERROR; 3002 goto ret; 3003 } 3004 break; 3005 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 3006 if (len > 0) { 3007 *(u_int8_t *)buf = 0; 3008 totlen = 1; 3009 } 3010 break; 3011 case C(UR_GET_STATUS, UT_READ_DEVICE): 3012 if (len > 1) { 3013 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 3014 totlen = 2; 3015 } 3016 break; 3017 case C(UR_GET_STATUS, UT_READ_INTERFACE): 3018 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 3019 if (len > 1) { 3020 USETW(((usb_status_t *)buf)->wStatus, 0); 3021 totlen = 2; 3022 } 3023 break; 3024 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 3025 if (value >= USB_MAX_DEVICES) { 3026 err = USBD_IOERROR; 3027 goto ret; 3028 } 3029 sc->sc_addr = value; 3030 break; 3031 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 3032 if (value != 0 && value != 1) { 3033 err = USBD_IOERROR; 3034 goto ret; 3035 } 3036 sc->sc_conf = value; 3037 break; 3038 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 3039 break; 3040 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 3041 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 3042 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 3043 err = USBD_IOERROR; 3044 goto ret; 3045 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 3046 break; 3047 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 3048 break; 3049 /* Hub requests */ 3050 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 3051 break; 3052 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 3053 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 3054 "port=%d feature=%d\n", 3055 index, value)); 3056 if (index == 1) 3057 port = UHCI_PORTSC1; 3058 else if (index == 2) 3059 port = UHCI_PORTSC2; 3060 else { 3061 err = USBD_IOERROR; 3062 goto ret; 3063 } 3064 switch(value) { 3065 case UHF_PORT_ENABLE: 3066 x = URWMASK(UREAD2(sc, port)); 3067 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 3068 break; 3069 case UHF_PORT_SUSPEND: 3070 x = URWMASK(UREAD2(sc, port)); 3071 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 3072 break; 3073 case UHF_PORT_RESET: 3074 x = URWMASK(UREAD2(sc, port)); 3075 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3076 break; 3077 case UHF_C_PORT_CONNECTION: 3078 x = URWMASK(UREAD2(sc, port)); 3079 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 3080 break; 3081 case UHF_C_PORT_ENABLE: 3082 x = URWMASK(UREAD2(sc, port)); 3083 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 3084 break; 3085 case UHF_C_PORT_OVER_CURRENT: 3086 x = URWMASK(UREAD2(sc, port)); 3087 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 3088 break; 3089 case UHF_C_PORT_RESET: 3090 sc->sc_isreset = 0; 3091 err = USBD_NORMAL_COMPLETION; 3092 goto ret; 3093 case UHF_PORT_CONNECTION: 3094 case UHF_PORT_OVER_CURRENT: 3095 case UHF_PORT_POWER: 3096 case UHF_PORT_LOW_SPEED: 3097 case UHF_C_PORT_SUSPEND: 3098 default: 3099 err = USBD_IOERROR; 3100 goto ret; 3101 } 3102 break; 3103 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 3104 if (index == 1) 3105 port = UHCI_PORTSC1; 3106 else if (index == 2) 3107 port = UHCI_PORTSC2; 3108 else { 3109 err = USBD_IOERROR; 3110 goto ret; 3111 } 3112 if (len > 0) { 3113 *(u_int8_t *)buf = 3114 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3115 UHCI_PORTSC_LS_SHIFT; 3116 totlen = 1; 3117 } 3118 break; 3119 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3120 if (value != 0) { 3121 err = USBD_IOERROR; 3122 goto ret; 3123 } 3124 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3125 totlen = l; 3126 memcpy(buf, &uhci_hubd_piix, l); 3127 break; 3128 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3129 if (len != 4) { 3130 err = USBD_IOERROR; 3131 goto ret; 3132 } 3133 memset(buf, 0, len); 3134 totlen = len; 3135 break; 3136 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3137 if (index == 1) 3138 port = UHCI_PORTSC1; 3139 else if (index == 2) 3140 port = UHCI_PORTSC2; 3141 else { 3142 err = USBD_IOERROR; 3143 goto ret; 3144 } 3145 if (len != 4) { 3146 err = USBD_IOERROR; 3147 goto ret; 3148 } 3149 x = UREAD2(sc, port); 3150 status = change = 0; 3151 if (x & UHCI_PORTSC_CCS ) 3152 status |= UPS_CURRENT_CONNECT_STATUS; 3153 if (x & UHCI_PORTSC_CSC ) 3154 change |= UPS_C_CONNECT_STATUS; 3155 if (x & UHCI_PORTSC_PE ) 3156 status |= UPS_PORT_ENABLED; 3157 if (x & UHCI_PORTSC_POEDC) 3158 change |= UPS_C_PORT_ENABLED; 3159 if (x & UHCI_PORTSC_OCI ) 3160 status |= UPS_OVERCURRENT_INDICATOR; 3161 if (x & UHCI_PORTSC_OCIC ) 3162 change |= UPS_C_OVERCURRENT_INDICATOR; 3163 if (x & UHCI_PORTSC_SUSP ) 3164 status |= UPS_SUSPEND; 3165 if (x & UHCI_PORTSC_LSDA ) 3166 status |= UPS_LOW_SPEED; 3167 status |= UPS_PORT_POWER; 3168 if (sc->sc_isreset) 3169 change |= UPS_C_PORT_RESET; 3170 USETW(ps.wPortStatus, status); 3171 USETW(ps.wPortChange, change); 3172 l = min(len, sizeof ps); 3173 memcpy(buf, &ps, l); 3174 totlen = l; 3175 break; 3176 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3177 err = USBD_IOERROR; 3178 goto ret; 3179 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3180 break; 3181 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3182 if (index == 1) 3183 port = UHCI_PORTSC1; 3184 else if (index == 2) 3185 port = UHCI_PORTSC2; 3186 else { 3187 err = USBD_IOERROR; 3188 goto ret; 3189 } 3190 switch(value) { 3191 case UHF_PORT_ENABLE: 3192 x = URWMASK(UREAD2(sc, port)); 3193 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3194 break; 3195 case UHF_PORT_SUSPEND: 3196 x = URWMASK(UREAD2(sc, port)); 3197 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3198 break; 3199 case UHF_PORT_RESET: 3200 x = URWMASK(UREAD2(sc, port)); 3201 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3202 usb_delay_ms(&sc->sc_bus, 50); /*XXX USB v1.1 7.1.7.3 */ 3203 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3204 delay(100); 3205 x = UREAD2(sc, port); 3206 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3207 usb_delay_ms(&sc->sc_bus, 10); /* XXX */ 3208 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3209 index, UREAD2(sc, port))); 3210 sc->sc_isreset = 1; 3211 break; 3212 case UHF_PORT_POWER: 3213 /* Pretend we turned on power */ 3214 err = USBD_NORMAL_COMPLETION; 3215 goto ret; 3216 case UHF_C_PORT_CONNECTION: 3217 case UHF_C_PORT_ENABLE: 3218 case UHF_C_PORT_OVER_CURRENT: 3219 case UHF_PORT_CONNECTION: 3220 case UHF_PORT_OVER_CURRENT: 3221 case UHF_PORT_LOW_SPEED: 3222 case UHF_C_PORT_SUSPEND: 3223 case UHF_C_PORT_RESET: 3224 default: 3225 err = USBD_IOERROR; 3226 goto ret; 3227 } 3228 break; 3229 default: 3230 err = USBD_IOERROR; 3231 goto ret; 3232 } 3233 xfer->actlen = totlen; 3234 err = USBD_NORMAL_COMPLETION; 3235 ret: 3236 xfer->status = err; 3237 s = splusb(); 3238 usb_transfer_complete(xfer); 3239 splx(s); 3240 return (USBD_IN_PROGRESS); 3241 } 3242 3243 /* Abort a root control request. */ 3244 void 3245 uhci_root_ctrl_abort(usbd_xfer_handle xfer) 3246 { 3247 /* Nothing to do, all transfers are synchronous. */ 3248 } 3249 3250 /* Close the root pipe. */ 3251 void 3252 uhci_root_ctrl_close(usbd_pipe_handle pipe) 3253 { 3254 DPRINTF(("uhci_root_ctrl_close\n")); 3255 } 3256 3257 /* Abort a root interrupt request. */ 3258 void 3259 uhci_root_intr_abort(usbd_xfer_handle xfer) 3260 { 3261 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3262 3263 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3264 sc->sc_intr_xfer = NULL; 3265 3266 if (xfer->pipe->intrxfer == xfer) { 3267 DPRINTF(("uhci_root_intr_abort: remove\n")); 3268 xfer->pipe->intrxfer = 0; 3269 } 3270 xfer->status = USBD_CANCELLED; 3271 #ifdef DIAGNOSTIC 3272 UXFER(xfer)->iinfo.isdone = 1; 3273 #endif 3274 usb_transfer_complete(xfer); 3275 } 3276 3277 usbd_status 3278 uhci_root_intr_transfer(usbd_xfer_handle xfer) 3279 { 3280 usbd_status err; 3281 3282 /* Insert last in queue. */ 3283 err = usb_insert_transfer(xfer); 3284 if (err) 3285 return (err); 3286 3287 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3288 * start first 3289 */ 3290 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3291 } 3292 3293 /* Start a transfer on the root interrupt pipe */ 3294 usbd_status 3295 uhci_root_intr_start(usbd_xfer_handle xfer) 3296 { 3297 usbd_pipe_handle pipe = xfer->pipe; 3298 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3299 3300 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3301 xfer, xfer->length, xfer->flags)); 3302 3303 if (sc->sc_dying) 3304 return (USBD_IOERROR); 3305 3306 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3307 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3308 sc->sc_intr_xfer = xfer; 3309 return (USBD_IN_PROGRESS); 3310 } 3311 3312 /* Close the root interrupt pipe. */ 3313 void 3314 uhci_root_intr_close(usbd_pipe_handle pipe) 3315 { 3316 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3317 3318 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3319 sc->sc_intr_xfer = NULL; 3320 DPRINTF(("uhci_root_intr_close\n")); 3321 } 3322
Indexes created Tue Sep 23 07:09:52 GMT 2025