uhci.c revision 1.125
1 /* $NetBSD: uhci.c,v 1.125 2000/09/23 21:00:10 augustss Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart (at) augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * USB Universal Host Controller driver. 43 * Handles e.g. PIIX3 and PIIX4. 44 * 45 * UHCI spec: http://www.intel.com/design/usb/uhci11d.pdf 46 * USB spec: http://www.usb.org/developers/data/usb11.pdf 47 * PIIXn spec: ftp://download.intel.com/design/intarch/datashts/29055002.pdf 48 * ftp://download.intel.com/design/intarch/datashts/29056201.pdf 49 */ 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/kernel.h> 54 #include <sys/malloc.h> 55 #if defined(__NetBSD__) || defined(__OpenBSD__) 56 #include <sys/device.h> 57 #include <sys/select.h> 58 #elif defined(__FreeBSD__) 59 #include <sys/module.h> 60 #include <sys/bus.h> 61 #include <machine/bus_pio.h> 62 #if defined(DIAGNOSTIC) && defined(__i386__) 63 #include <machine/cpu.h> 64 #endif 65 #endif 66 #include <sys/proc.h> 67 #include <sys/queue.h> 68 69 #include <machine/bus.h> 70 #include <machine/endian.h> 71 72 #include <dev/usb/usb.h> 73 #include <dev/usb/usbdi.h> 74 #include <dev/usb/usbdivar.h> 75 #include <dev/usb/usb_mem.h> 76 #include <dev/usb/usb_quirks.h> 77 78 #include <dev/usb/uhcireg.h> 79 #include <dev/usb/uhcivar.h> 80 81 /* 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(struct usbd_bus *); 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 #endif 638 } 639 #ifdef DIAGNOSTIC 640 xfer->busy_free = XFER_BUSY; 641 #endif 642 return (xfer); 643 } 644 645 void 646 uhci_freex(struct usbd_bus *bus, usbd_xfer_handle xfer) 647 { 648 struct uhci_softc *sc = (struct uhci_softc *)bus; 649 650 #ifdef DIAGNOSTIC 651 if (xfer->busy_free != XFER_BUSY) { 652 printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer, 653 xfer->busy_free); 654 return; 655 } 656 xfer->busy_free = XFER_FREE; 657 if (!UXFER(xfer)->iinfo.isdone) { 658 printf("uhci_freex: !isdone\n"); 659 return; 660 } 661 #endif 662 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); 663 } 664 665 /* 666 * Shut down the controller when the system is going down. 667 */ 668 void 669 uhci_shutdown(void *v) 670 { 671 uhci_softc_t *sc = v; 672 673 DPRINTF(("uhci_shutdown: stopping the HC\n")); 674 uhci_run(sc, 0); /* stop the controller */ 675 } 676 677 /* 678 * Handle suspend/resume. 679 * 680 * We need to switch to polling mode here, because this routine is 681 * called from an interrupt context. This is all right since we 682 * are almost suspended anyway. 683 */ 684 void 685 uhci_power(int why, void *v) 686 { 687 uhci_softc_t *sc = v; 688 int cmd; 689 int s; 690 691 s = splusb(); 692 cmd = UREAD2(sc, UHCI_CMD); 693 694 DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", 695 sc, why, sc->sc_suspend, cmd)); 696 697 if (why != PWR_RESUME) { 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 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 713 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 714 sc->sc_suspend = why; 715 sc->sc_bus.use_polling--; 716 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 717 } else { 718 #ifdef DIAGNOSTIC 719 if (sc->sc_suspend == PWR_RESUME) 720 printf("uhci_power: weird, resume without suspend.\n"); 721 #endif 722 sc->sc_bus.use_polling++; 723 sc->sc_suspend = why; 724 if (cmd & UHCI_CMD_RS) 725 uhci_run(sc, 0); /* in case BIOS has started it */ 726 727 /* restore saved state */ 728 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); 729 UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); 730 UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); 731 732 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 733 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 734 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 735 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 736 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 737 uhci_run(sc, 1); /* and start traffic again */ 738 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 739 sc->sc_bus.use_polling--; 740 if (sc->sc_intr_xfer != NULL) 741 usb_callout(sc->sc_poll_handle, sc->sc_ival, 742 uhci_poll_hub, sc->sc_intr_xfer); 743 #ifdef UHCI_DEBUG 744 if (uhcidebug > 2) 745 uhci_dumpregs(sc); 746 #endif 747 } 748 splx(s); 749 } 750 751 #ifdef UHCI_DEBUG 752 Static void 753 uhci_dumpregs(uhci_softc_t *sc) 754 { 755 DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 756 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 757 USBDEVNAME(sc->sc_bus.bdev), 758 UREAD2(sc, UHCI_CMD), 759 UREAD2(sc, UHCI_STS), 760 UREAD2(sc, UHCI_INTR), 761 UREAD2(sc, UHCI_FRNUM), 762 UREAD4(sc, UHCI_FLBASEADDR), 763 UREAD1(sc, UHCI_SOF), 764 UREAD2(sc, UHCI_PORTSC1), 765 UREAD2(sc, UHCI_PORTSC2))); 766 } 767 768 void 769 uhci_dump_td(uhci_soft_td_t *p) 770 { 771 char sbuf[128], sbuf2[128]; 772 773 DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 774 "token=0x%08lx buffer=0x%08lx\n", 775 p, (long)p->physaddr, 776 (long)le32toh(p->td.td_link), 777 (long)le32toh(p->td.td_status), 778 (long)le32toh(p->td.td_token), 779 (long)le32toh(p->td.td_buffer))); 780 781 bitmask_snprintf((int)le32toh(p->td.td_link), "\20\1T\2Q\3VF", 782 sbuf, sizeof(sbuf)); 783 bitmask_snprintf((int)le32toh(p->td.td_status), 784 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 785 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 786 sbuf2, sizeof(sbuf2)); 787 788 DPRINTFN(-1,(" %s %s,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 789 "D=%d,maxlen=%d\n", sbuf, sbuf2, 790 UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), 791 UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), 792 UHCI_TD_GET_PID(le32toh(p->td.td_token)), 793 UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), 794 UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), 795 UHCI_TD_GET_DT(le32toh(p->td.td_token)), 796 UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); 797 } 798 799 void 800 uhci_dump_qh(uhci_soft_qh_t *sqh) 801 { 802 DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, 803 (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), 804 le32toh(sqh->qh.qh_elink))); 805 } 806 807 808 #if 1 809 void 810 uhci_dump(void) 811 { 812 uhci_dump_all(thesc); 813 } 814 #endif 815 816 void 817 uhci_dump_all(uhci_softc_t *sc) 818 { 819 uhci_dumpregs(sc); 820 printf("intrs=%d\n", sc->sc_bus.no_intrs); 821 /*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/ 822 uhci_dump_qh(sc->sc_lctl_start); 823 } 824 825 826 void 827 uhci_dump_qhs(uhci_soft_qh_t *sqh) 828 { 829 uhci_dump_qh(sqh); 830 831 /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards 832 * Traverses sideways first, then down. 833 * 834 * QH1 835 * QH2 836 * No QH 837 * TD2.1 838 * TD2.2 839 * TD1.1 840 * etc. 841 * 842 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. 843 */ 844 845 846 if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) 847 uhci_dump_qhs(sqh->hlink); 848 else 849 DPRINTF(("No QH\n")); 850 851 if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) 852 uhci_dump_tds(sqh->elink); 853 else 854 DPRINTF(("No TD\n")); 855 } 856 857 void 858 uhci_dump_tds(uhci_soft_td_t *std) 859 { 860 uhci_soft_td_t *td; 861 862 for(td = std; td != NULL; td = td->link.std) { 863 uhci_dump_td(td); 864 865 /* Check whether the link pointer in this TD marks 866 * the link pointer as end of queue. This avoids 867 * printing the free list in case the queue/TD has 868 * already been moved there (seatbelt). 869 */ 870 if (le32toh(td->td.td_link) & UHCI_PTR_T || 871 le32toh(td->td.td_link) == 0) 872 break; 873 } 874 } 875 876 Static void 877 uhci_dump_ii(uhci_intr_info_t *ii) 878 { 879 usbd_pipe_handle pipe; 880 usb_endpoint_descriptor_t *ed; 881 usbd_device_handle dev; 882 883 #ifdef DIAGNOSTIC 884 #define DONE ii->isdone 885 #else 886 #define DONE 0 887 #endif 888 if (ii == NULL) { 889 printf("ii NULL\n"); 890 return; 891 } 892 if (ii->xfer == NULL) { 893 printf("ii %p: done=%d xfer=NULL\n", 894 ii, DONE); 895 return; 896 } 897 pipe = ii->xfer->pipe; 898 if (pipe == NULL) { 899 printf("ii %p: done=%d xfer=%p pipe=NULL\n", 900 ii, DONE, ii->xfer); 901 return; 902 } 903 ed = pipe->endpoint->edesc; 904 dev = pipe->device; 905 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", 906 ii, DONE, ii->xfer, dev, 907 UGETW(dev->ddesc.idVendor), 908 UGETW(dev->ddesc.idProduct), 909 dev->address, pipe, 910 ed->bEndpointAddress, ed->bmAttributes); 911 #undef DONE 912 } 913 914 void uhci_dump_iis(struct uhci_softc *sc); 915 void 916 uhci_dump_iis(struct uhci_softc *sc) 917 { 918 uhci_intr_info_t *ii; 919 920 printf("intr_info list:\n"); 921 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 922 uhci_dump_ii(ii); 923 } 924 925 void iidump(void); 926 void iidump(void) { uhci_dump_iis(thesc); } 927 928 #endif 929 930 /* 931 * This routine is executed periodically and simulates interrupts 932 * from the root controller interrupt pipe for port status change. 933 */ 934 void 935 uhci_poll_hub(void *addr) 936 { 937 usbd_xfer_handle xfer = addr; 938 usbd_pipe_handle pipe = xfer->pipe; 939 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 940 int s; 941 u_char *p; 942 943 DPRINTFN(20, ("uhci_poll_hub\n")); 944 945 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 946 947 p = KERNADDR(&xfer->dmabuf); 948 p[0] = 0; 949 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 950 p[0] |= 1<<1; 951 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 952 p[0] |= 1<<2; 953 if (p[0] == 0) 954 /* No change, try again in a while */ 955 return; 956 957 xfer->actlen = 1; 958 xfer->status = USBD_NORMAL_COMPLETION; 959 s = splusb(); 960 xfer->device->bus->intr_context++; 961 usb_transfer_complete(xfer); 962 xfer->device->bus->intr_context--; 963 splx(s); 964 } 965 966 void 967 uhci_root_intr_done(usbd_xfer_handle xfer) 968 { 969 } 970 971 void 972 uhci_root_ctrl_done(usbd_xfer_handle xfer) 973 { 974 } 975 976 /* 977 * Let the last QH loop back to the high speed control transfer QH. 978 * This is what intel calls "bandwidth reclamation" and improves 979 * USB performance a lot for some devices. 980 * If we are already looping, just count it. 981 */ 982 void 983 uhci_add_loop(uhci_softc_t *sc) { 984 #ifdef UHCI_DEBUG 985 if (uhcinoloop) 986 return; 987 #endif 988 if (++sc->sc_loops == 1) { 989 DPRINTFN(5,("uhci_start_loop: add\n")); 990 /* Note, we don't loop back the soft pointer. */ 991 sc->sc_last_qh->qh.qh_hlink = 992 htole32(sc->sc_hctl_start->physaddr | UHCI_PTR_QH); 993 } 994 } 995 996 void 997 uhci_rem_loop(uhci_softc_t *sc) { 998 #ifdef UHCI_DEBUG 999 if (uhcinoloop) 1000 return; 1001 #endif 1002 if (--sc->sc_loops == 0) { 1003 DPRINTFN(5,("uhci_end_loop: remove\n")); 1004 sc->sc_last_qh->qh.qh_hlink = htole32(UHCI_PTR_T); 1005 } 1006 } 1007 1008 /* Add high speed control QH, called at splusb(). */ 1009 void 1010 uhci_add_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1011 { 1012 uhci_soft_qh_t *eqh; 1013 1014 SPLUSBCHECK; 1015 1016 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 1017 eqh = sc->sc_hctl_end; 1018 sqh->hlink = eqh->hlink; 1019 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1020 eqh->hlink = sqh; 1021 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 1022 sc->sc_hctl_end = sqh; 1023 #ifdef UHCI_CTL_LOOP 1024 uhci_add_loop(sc); 1025 #endif 1026 } 1027 1028 /* Remove high speed control QH, called at splusb(). */ 1029 void 1030 uhci_remove_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1031 { 1032 uhci_soft_qh_t *pqh; 1033 1034 SPLUSBCHECK; 1035 1036 DPRINTFN(10, ("uhci_remove_hs_ctrl: sqh=%p\n", sqh)); 1037 #ifdef UHCI_CTL_LOOP 1038 uhci_rem_loop(sc); 1039 #endif 1040 /* 1041 * The T bit should be set in the elink of the QH so that the HC 1042 * doesn't follow the pointer. This condition may fail if the 1043 * the transferred packet was short so that the QH still points 1044 * at the last used TD. 1045 * In this case we set the T bit and wait a little for the HC 1046 * to stop looking at the TD. 1047 */ 1048 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1049 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1050 delay(UHCI_QH_REMOVE_DELAY); 1051 } 1052 1053 pqh = uhci_find_prev_qh(sc->sc_hctl_start, sqh); 1054 pqh->hlink = sqh->hlink; 1055 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1056 delay(UHCI_QH_REMOVE_DELAY); 1057 if (sc->sc_hctl_end == sqh) 1058 sc->sc_hctl_end = pqh; 1059 } 1060 1061 /* Add low speed control QH, called at splusb(). */ 1062 void 1063 uhci_add_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1064 { 1065 uhci_soft_qh_t *eqh; 1066 1067 SPLUSBCHECK; 1068 1069 DPRINTFN(10, ("uhci_add_ls_ctrl: sqh=%p\n", sqh)); 1070 eqh = sc->sc_lctl_end; 1071 sqh->hlink = eqh->hlink; 1072 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1073 eqh->hlink = sqh; 1074 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 1075 sc->sc_lctl_end = sqh; 1076 } 1077 1078 /* Remove low speed control QH, called at splusb(). */ 1079 void 1080 uhci_remove_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1081 { 1082 uhci_soft_qh_t *pqh; 1083 1084 SPLUSBCHECK; 1085 1086 DPRINTFN(10, ("uhci_remove_ls_ctrl: sqh=%p\n", sqh)); 1087 /* See comment in uhci_remove_hs_ctrl() */ 1088 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1089 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1090 delay(UHCI_QH_REMOVE_DELAY); 1091 } 1092 pqh = uhci_find_prev_qh(sc->sc_lctl_start, sqh); 1093 pqh->hlink = sqh->hlink; 1094 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1095 delay(UHCI_QH_REMOVE_DELAY); 1096 if (sc->sc_lctl_end == sqh) 1097 sc->sc_lctl_end = pqh; 1098 } 1099 1100 /* Add bulk QH, called at splusb(). */ 1101 void 1102 uhci_add_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1103 { 1104 uhci_soft_qh_t *eqh; 1105 1106 SPLUSBCHECK; 1107 1108 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 1109 eqh = sc->sc_bulk_end; 1110 sqh->hlink = eqh->hlink; 1111 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1112 eqh->hlink = sqh; 1113 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 1114 sc->sc_bulk_end = sqh; 1115 uhci_add_loop(sc); 1116 } 1117 1118 /* Remove bulk QH, called at splusb(). */ 1119 void 1120 uhci_remove_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1121 { 1122 uhci_soft_qh_t *pqh; 1123 1124 SPLUSBCHECK; 1125 1126 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 1127 uhci_rem_loop(sc); 1128 /* See comment in uhci_remove_hs_ctrl() */ 1129 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1130 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1131 delay(UHCI_QH_REMOVE_DELAY); 1132 } 1133 pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); 1134 pqh->hlink = sqh->hlink; 1135 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1136 delay(UHCI_QH_REMOVE_DELAY); 1137 if (sc->sc_bulk_end == sqh) 1138 sc->sc_bulk_end = pqh; 1139 } 1140 1141 int 1142 uhci_intr(void *arg) 1143 { 1144 uhci_softc_t *sc = arg; 1145 int status; 1146 int ack; 1147 1148 #ifdef UHCI_DEBUG 1149 if (uhcidebug > 15) { 1150 DPRINTF(("%s: uhci_intr\n", USBDEVNAME(sc->sc_bus.bdev))); 1151 uhci_dumpregs(sc); 1152 } 1153 #endif 1154 1155 if (sc->sc_suspend != PWR_RESUME) { 1156 printf("%s: interrupt while not operating ignored\n", 1157 USBDEVNAME(sc->sc_bus.bdev)); 1158 return (0); 1159 } 1160 1161 status = UREAD2(sc, UHCI_STS); 1162 if (status == 0) /* The interrupt was not for us. */ 1163 return (0); 1164 1165 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1166 if (sc->sc_suspend != PWR_RESUME) 1167 printf("uhci_intr: suspended sts=0x%x\n", status); 1168 #endif 1169 1170 ack = 0; 1171 if (status & UHCI_STS_USBINT) 1172 ack |= UHCI_STS_USBINT; 1173 if (status & UHCI_STS_USBEI) 1174 ack |= UHCI_STS_USBEI; 1175 if (status & UHCI_STS_RD) { 1176 ack |= UHCI_STS_RD; 1177 #ifdef UHCI_DEBUG 1178 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1179 #endif 1180 } 1181 if (status & UHCI_STS_HSE) { 1182 ack |= UHCI_STS_HSE; 1183 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1184 } 1185 if (status & UHCI_STS_HCPE) { 1186 ack |= UHCI_STS_HCPE; 1187 printf("%s: host controller process error\n", 1188 USBDEVNAME(sc->sc_bus.bdev)); 1189 } 1190 if (status & UHCI_STS_HCH) { 1191 /* no acknowledge needed */ 1192 printf("%s: host controller halted\n", 1193 USBDEVNAME(sc->sc_bus.bdev)); 1194 sc->sc_dying = 1; 1195 #ifdef UHCI_DEBUG 1196 uhci_dump_all(sc); 1197 #endif 1198 1199 } 1200 1201 if (ack) /* acknowledge the ints */ 1202 UWRITE2(sc, UHCI_STS, ack); 1203 else /* nothing to acknowledge */ 1204 return (0); 1205 1206 sc->sc_bus.no_intrs++; 1207 usb_schedsoftintr(&sc->sc_bus); 1208 1209 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1210 1211 return (1); 1212 } 1213 1214 void 1215 uhci_softintr(struct usbd_bus *bus) 1216 { 1217 uhci_softc_t *sc = (uhci_softc_t *)bus; 1218 uhci_intr_info_t *ii; 1219 1220 DPRINTFN(10,("%s: uhci_softintr\n", USBDEVNAME(sc->sc_bus.bdev))); 1221 1222 sc->sc_bus.intr_context++; 1223 1224 /* 1225 * Interrupts on UHCI really suck. When the host controller 1226 * interrupts because a transfer is completed there is no 1227 * way of knowing which transfer it was. You can scan down 1228 * the TDs and QHs of the previous frame to limit the search, 1229 * but that assumes that the interrupt was not delayed by more 1230 * than 1 ms, which may not always be true (e.g. after debug 1231 * output on a slow console). 1232 * We scan all interrupt descriptors to see if any have 1233 * completed. 1234 */ 1235 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1236 uhci_check_intr(sc, ii); 1237 1238 sc->sc_bus.intr_context--; 1239 } 1240 1241 /* Check for an interrupt. */ 1242 void 1243 uhci_check_intr(uhci_softc_t *sc, uhci_intr_info_t *ii) 1244 { 1245 uhci_soft_td_t *std, *lstd; 1246 u_int32_t status; 1247 1248 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1249 #ifdef DIAGNOSTIC 1250 if (ii == NULL) { 1251 printf("uhci_check_intr: no ii? %p\n", ii); 1252 return; 1253 } 1254 #endif 1255 if (ii->stdstart == NULL) 1256 return; 1257 lstd = ii->stdend; 1258 #ifdef DIAGNOSTIC 1259 if (lstd == NULL) { 1260 printf("uhci_check_intr: std==0\n"); 1261 return; 1262 } 1263 #endif 1264 /* 1265 * If the last TD is still active we need to check whether there 1266 * is a an error somewhere in the middle, or whether there was a 1267 * short packet (SPD and not ACTIVE). 1268 */ 1269 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1270 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1271 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1272 status = le32toh(std->td.td_status); 1273 /* If there's an active TD the xfer isn't done. */ 1274 if (status & UHCI_TD_ACTIVE) 1275 break; 1276 /* Any kind of error makes the xfer done. */ 1277 if (status & UHCI_TD_STALLED) 1278 goto done; 1279 /* We want short packets, and it is short: it's done */ 1280 if ((status & UHCI_TD_SPD) && 1281 UHCI_TD_GET_ACTLEN(status) < 1282 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1283 goto done; 1284 } 1285 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1286 ii, ii->stdstart)); 1287 return; 1288 } 1289 done: 1290 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1291 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1292 uhci_idone(ii); 1293 } 1294 1295 /* Called at splusb() */ 1296 void 1297 uhci_idone(uhci_intr_info_t *ii) 1298 { 1299 usbd_xfer_handle xfer = ii->xfer; 1300 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1301 uhci_soft_td_t *std; 1302 u_int32_t status = 0, nstatus; 1303 int actlen; 1304 1305 #ifdef DIAGNOSTIC 1306 { 1307 int s = splhigh(); 1308 if (ii->isdone) { 1309 splx(s); 1310 #ifdef UHCI_DEBUG 1311 printf("uhci_idone: ii is done!\n "); 1312 uhci_dump_ii(ii); 1313 #else 1314 printf("uhci_idone: ii=%p is done!\n", ii); 1315 #endif 1316 return; 1317 } 1318 ii->isdone = 1; 1319 splx(s); 1320 } 1321 #endif 1322 1323 if (xfer->status == USBD_CANCELLED || 1324 xfer->status == USBD_TIMEOUT) { 1325 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1326 return; 1327 } 1328 1329 if (xfer->nframes != 0) { 1330 /* Isoc transfer, do things differently. */ 1331 uhci_soft_td_t **stds = upipe->u.iso.stds; 1332 int i, n, nframes; 1333 1334 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1335 1336 nframes = xfer->nframes; 1337 actlen = 0; 1338 n = UXFER(xfer)->curframe; 1339 for (i = 0; i < nframes; i++) { 1340 std = stds[n]; 1341 #ifdef UHCI_DEBUG 1342 if (uhcidebug > 5) { 1343 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1344 uhci_dump_td(std); 1345 } 1346 #endif 1347 if (++n >= UHCI_VFRAMELIST_COUNT) 1348 n = 0; 1349 status = le32toh(std->td.td_status); 1350 actlen += UHCI_TD_GET_ACTLEN(status); 1351 } 1352 upipe->u.iso.inuse -= nframes; 1353 xfer->actlen = actlen; 1354 xfer->status = USBD_NORMAL_COMPLETION; 1355 usb_transfer_complete(xfer); 1356 return; 1357 } 1358 1359 #ifdef UHCI_DEBUG 1360 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1361 ii, xfer, upipe)); 1362 if (uhcidebug > 10) 1363 uhci_dump_tds(ii->stdstart); 1364 #endif 1365 1366 /* The transfer is done, compute actual length and status. */ 1367 actlen = 0; 1368 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1369 nstatus = le32toh(std->td.td_status); 1370 if (nstatus & UHCI_TD_ACTIVE) 1371 break; 1372 1373 status = nstatus; 1374 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1375 UHCI_TD_PID_SETUP) 1376 actlen += UHCI_TD_GET_ACTLEN(status); 1377 } 1378 /* If there are left over TDs we need to update the toggle. */ 1379 if (std != NULL) 1380 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1381 1382 status &= UHCI_TD_ERROR; 1383 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 1384 actlen, status)); 1385 xfer->actlen = actlen; 1386 if (status != 0) { 1387 #ifdef UHCI_DEBUG 1388 char sbuf[128]; 1389 1390 bitmask_snprintf((int)status, "\20\22BITSTUFF\23CRCTO\24NAK\25" 1391 "BABBLE\26DBUFFER\27STALLED\30ACTIVE", 1392 sbuf, sizeof(sbuf)); 1393 1394 DPRINTFN((status == UHCI_TD_STALLED)*10, 1395 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1396 "status 0x%s\n", 1397 xfer->pipe->device->address, 1398 xfer->pipe->endpoint->edesc->bEndpointAddress, 1399 sbuf)); 1400 #endif 1401 1402 if (status == UHCI_TD_STALLED) 1403 xfer->status = USBD_STALLED; 1404 else 1405 xfer->status = USBD_IOERROR; /* more info XXX */ 1406 } else { 1407 xfer->status = USBD_NORMAL_COMPLETION; 1408 } 1409 usb_transfer_complete(xfer); 1410 } 1411 1412 /* 1413 * Called when a request does not complete. 1414 */ 1415 void 1416 uhci_timeout(void *addr) 1417 { 1418 uhci_intr_info_t *ii = addr; 1419 1420 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1421 1422 #ifdef UHCI_DEBUG 1423 if (uhcidebug > 10) 1424 uhci_dump_tds(ii->stdstart); 1425 #endif 1426 1427 ii->xfer->device->bus->intr_context++; 1428 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1429 ii->xfer->device->bus->intr_context--; 1430 } 1431 1432 /* 1433 * Wait here until controller claims to have an interrupt. 1434 * Then call uhci_intr and return. Use timeout to avoid waiting 1435 * too long. 1436 * Only used during boot when interrupts are not enabled yet. 1437 */ 1438 void 1439 uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer) 1440 { 1441 int timo = xfer->timeout; 1442 uhci_intr_info_t *ii; 1443 1444 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1445 1446 xfer->status = USBD_IN_PROGRESS; 1447 for (; timo >= 0; timo--) { 1448 usb_delay_ms(&sc->sc_bus, 1); 1449 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1450 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1451 uhci_intr(sc); 1452 if (xfer->status != USBD_IN_PROGRESS) 1453 return; 1454 } 1455 } 1456 1457 /* Timeout */ 1458 DPRINTF(("uhci_waitintr: timeout\n")); 1459 for (ii = LIST_FIRST(&sc->sc_intrhead); 1460 ii != NULL && ii->xfer != xfer; 1461 ii = LIST_NEXT(ii, list)) 1462 ; 1463 #ifdef DIAGNOSTIC 1464 if (ii == NULL) 1465 panic("uhci_waitintr: lost intr_info\n"); 1466 #endif 1467 uhci_idone(ii); 1468 } 1469 1470 void 1471 uhci_poll(struct usbd_bus *bus) 1472 { 1473 uhci_softc_t *sc = (uhci_softc_t *)bus; 1474 1475 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1476 uhci_intr(sc); 1477 } 1478 1479 #if 0 1480 void 1481 uhci_reset(uhci_softc_t *sc) 1482 { 1483 int n; 1484 1485 UHCICMD(sc, UHCI_CMD_HCRESET); 1486 /* The reset bit goes low when the controller is done. */ 1487 for (n = 0; n < UHCI_RESET_TIMEOUT && 1488 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1489 usb_delay_ms(&sc->sc_bus, 1); 1490 if (n >= UHCI_RESET_TIMEOUT) 1491 printf("%s: controller did not reset\n", 1492 USBDEVNAME(sc->sc_bus.bdev)); 1493 } 1494 #endif 1495 1496 usbd_status 1497 uhci_run(uhci_softc_t *sc, int run) 1498 { 1499 int s, n, running; 1500 u_int16_t cmd; 1501 1502 run = run != 0; 1503 s = splusb(); 1504 DPRINTF(("uhci_run: setting run=%d\n", run)); 1505 cmd = UREAD2(sc, UHCI_CMD); 1506 if (run) 1507 cmd |= UHCI_CMD_RS; 1508 else 1509 cmd &= ~UHCI_CMD_RS; 1510 UHCICMD(sc, cmd); 1511 for(n = 0; n < 10; n++) { 1512 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1513 /* return when we've entered the state we want */ 1514 if (run == running) { 1515 splx(s); 1516 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1517 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1518 return (USBD_NORMAL_COMPLETION); 1519 } 1520 usb_delay_ms(&sc->sc_bus, 1); 1521 } 1522 splx(s); 1523 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1524 run ? "start" : "stop"); 1525 return (USBD_IOERROR); 1526 } 1527 1528 /* 1529 * Memory management routines. 1530 * uhci_alloc_std allocates TDs 1531 * uhci_alloc_sqh allocates QHs 1532 * These two routines do their own free list management, 1533 * partly for speed, partly because allocating DMAable memory 1534 * has page size granularaity so much memory would be wasted if 1535 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1536 */ 1537 1538 uhci_soft_td_t * 1539 uhci_alloc_std(uhci_softc_t *sc) 1540 { 1541 uhci_soft_td_t *std; 1542 usbd_status err; 1543 int i, offs; 1544 usb_dma_t dma; 1545 1546 if (sc->sc_freetds == NULL) { 1547 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1548 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1549 UHCI_TD_ALIGN, &dma); 1550 if (err) 1551 return (0); 1552 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1553 offs = i * UHCI_STD_SIZE; 1554 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1555 std->physaddr = DMAADDR(&dma) + offs; 1556 std->link.std = sc->sc_freetds; 1557 sc->sc_freetds = std; 1558 } 1559 } 1560 std = sc->sc_freetds; 1561 sc->sc_freetds = std->link.std; 1562 memset(&std->td, 0, sizeof(uhci_td_t)); 1563 return std; 1564 } 1565 1566 void 1567 uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std) 1568 { 1569 #ifdef DIAGNOSTIC 1570 #define TD_IS_FREE 0x12345678 1571 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1572 printf("uhci_free_std: freeing free TD %p\n", std); 1573 return; 1574 } 1575 std->td.td_token = htole32(TD_IS_FREE); 1576 #endif 1577 std->link.std = sc->sc_freetds; 1578 sc->sc_freetds = std; 1579 } 1580 1581 uhci_soft_qh_t * 1582 uhci_alloc_sqh(uhci_softc_t *sc) 1583 { 1584 uhci_soft_qh_t *sqh; 1585 usbd_status err; 1586 int i, offs; 1587 usb_dma_t dma; 1588 1589 if (sc->sc_freeqhs == NULL) { 1590 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1591 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1592 UHCI_QH_ALIGN, &dma); 1593 if (err) 1594 return (0); 1595 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1596 offs = i * UHCI_SQH_SIZE; 1597 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1598 sqh->physaddr = DMAADDR(&dma) + offs; 1599 sqh->hlink = sc->sc_freeqhs; 1600 sc->sc_freeqhs = sqh; 1601 } 1602 } 1603 sqh = sc->sc_freeqhs; 1604 sc->sc_freeqhs = sqh->hlink; 1605 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1606 return (sqh); 1607 } 1608 1609 void 1610 uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1611 { 1612 sqh->hlink = sc->sc_freeqhs; 1613 sc->sc_freeqhs = sqh; 1614 } 1615 1616 void 1617 uhci_free_std_chain(uhci_softc_t *sc, uhci_soft_td_t *std, 1618 uhci_soft_td_t *stdend) 1619 { 1620 uhci_soft_td_t *p; 1621 1622 for (; std != stdend; std = p) { 1623 p = std->link.std; 1624 uhci_free_std(sc, std); 1625 } 1626 } 1627 1628 usbd_status 1629 uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len, 1630 int rd, u_int16_t flags, usb_dma_t *dma, 1631 uhci_soft_td_t **sp, uhci_soft_td_t **ep) 1632 { 1633 uhci_soft_td_t *p, *lastp; 1634 uhci_physaddr_t lastlink; 1635 int i, ntd, l, tog, maxp; 1636 u_int32_t status; 1637 int addr = upipe->pipe.device->address; 1638 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1639 1640 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1641 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1642 upipe->pipe.device->lowspeed, flags)); 1643 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1644 if (maxp == 0) { 1645 printf("uhci_alloc_std_chain: maxp=0\n"); 1646 return (USBD_INVAL); 1647 } 1648 ntd = (len + maxp - 1) / maxp; 1649 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1650 ntd++; 1651 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1652 if (ntd == 0) { 1653 *sp = *ep = 0; 1654 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1655 return (USBD_NORMAL_COMPLETION); 1656 } 1657 tog = upipe->nexttoggle; 1658 if (ntd % 2 == 0) 1659 tog ^= 1; 1660 upipe->nexttoggle = tog ^ 1; 1661 lastp = NULL; 1662 lastlink = UHCI_PTR_T; 1663 ntd--; 1664 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1665 if (upipe->pipe.device->lowspeed) 1666 status |= UHCI_TD_LS; 1667 if (flags & USBD_SHORT_XFER_OK) 1668 status |= UHCI_TD_SPD; 1669 for (i = ntd; i >= 0; i--) { 1670 p = uhci_alloc_std(sc); 1671 if (p == NULL) { 1672 uhci_free_std_chain(sc, lastp, 0); 1673 return (USBD_NOMEM); 1674 } 1675 p->link.std = lastp; 1676 p->td.td_link = htole32(lastlink | UHCI_PTR_VF | UHCI_PTR_TD); 1677 lastp = p; 1678 lastlink = p->physaddr; 1679 p->td.td_status = htole32(status); 1680 if (i == ntd) { 1681 /* last TD */ 1682 l = len % maxp; 1683 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1684 l = maxp; 1685 *ep = p; 1686 } else 1687 l = maxp; 1688 p->td.td_token = 1689 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1690 UHCI_TD_OUT(l, endpt, addr, tog)); 1691 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1692 tog ^= 1; 1693 } 1694 *sp = lastp; 1695 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1696 upipe->nexttoggle)); 1697 return (USBD_NORMAL_COMPLETION); 1698 } 1699 1700 void 1701 uhci_device_clear_toggle(usbd_pipe_handle pipe) 1702 { 1703 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1704 upipe->nexttoggle = 0; 1705 } 1706 1707 void 1708 uhci_noop(usbd_pipe_handle pipe) 1709 { 1710 } 1711 1712 usbd_status 1713 uhci_device_bulk_transfer(usbd_xfer_handle xfer) 1714 { 1715 usbd_status err; 1716 1717 /* Insert last in queue. */ 1718 err = usb_insert_transfer(xfer); 1719 if (err) 1720 return (err); 1721 1722 /* 1723 * Pipe isn't running (otherwise err would be USBD_INPROG), 1724 * so start it first. 1725 */ 1726 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1727 } 1728 1729 usbd_status 1730 uhci_device_bulk_start(usbd_xfer_handle xfer) 1731 { 1732 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1733 usbd_device_handle dev = upipe->pipe.device; 1734 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1735 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1736 uhci_soft_td_t *data, *dataend; 1737 uhci_soft_qh_t *sqh; 1738 usbd_status err; 1739 int len, isread, endpt; 1740 int s; 1741 1742 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1743 xfer, xfer->length, xfer->flags)); 1744 1745 if (sc->sc_dying) 1746 return (USBD_IOERROR); 1747 1748 #ifdef DIAGNOSTIC 1749 if (xfer->rqflags & URQ_REQUEST) 1750 panic("uhci_device_bulk_transfer: a request\n"); 1751 #endif 1752 1753 len = xfer->length; 1754 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1755 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1756 sqh = upipe->u.bulk.sqh; 1757 1758 upipe->u.bulk.isread = isread; 1759 upipe->u.bulk.length = len; 1760 1761 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1762 &xfer->dmabuf, &data, &dataend); 1763 if (err) 1764 return (err); 1765 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1766 1767 #ifdef UHCI_DEBUG 1768 if (uhcidebug > 8) { 1769 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1770 uhci_dump_tds(data); 1771 } 1772 #endif 1773 1774 /* Set up interrupt info. */ 1775 ii->xfer = xfer; 1776 ii->stdstart = data; 1777 ii->stdend = dataend; 1778 #ifdef DIAGNOSTIC 1779 if (!ii->isdone) { 1780 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1781 } 1782 ii->isdone = 0; 1783 #endif 1784 1785 sqh->elink = data; 1786 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 1787 1788 s = splusb(); 1789 uhci_add_bulk(sc, sqh); 1790 uhci_add_intr_info(sc, ii); 1791 1792 if (xfer->timeout && !sc->sc_bus.use_polling) { 1793 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1794 uhci_timeout, ii); 1795 } 1796 xfer->status = USBD_IN_PROGRESS; 1797 splx(s); 1798 1799 #ifdef UHCI_DEBUG 1800 if (uhcidebug > 10) { 1801 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1802 uhci_dump_tds(data); 1803 } 1804 #endif 1805 1806 if (sc->sc_bus.use_polling) 1807 uhci_waitintr(sc, xfer); 1808 1809 return (USBD_IN_PROGRESS); 1810 } 1811 1812 /* Abort a device bulk request. */ 1813 void 1814 uhci_device_bulk_abort(usbd_xfer_handle xfer) 1815 { 1816 DPRINTF(("uhci_device_bulk_abort:\n")); 1817 uhci_abort_xfer(xfer, USBD_CANCELLED); 1818 } 1819 1820 /* 1821 * XXX This way of aborting is neither safe, nor good. 1822 * But it will have to do until I figure out what to do. 1823 * I apologize for the delay(). 1824 */ 1825 void 1826 uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status) 1827 { 1828 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1829 uhci_soft_td_t *std; 1830 int s; 1831 1832 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1833 1834 s = splusb(); 1835 1836 /* Transfer is already done. */ 1837 if (xfer->status != USBD_NOT_STARTED && 1838 xfer->status != USBD_IN_PROGRESS) { 1839 splx(s); 1840 return; 1841 } 1842 1843 /* Make interrupt routine ignore it, */ 1844 xfer->status = status; 1845 1846 /* don't timeout, */ 1847 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1848 1849 /* make hardware ignore it, */ 1850 for (std = ii->stdstart; std != NULL; std = std->link.std) 1851 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1852 1853 xfer->hcpriv = ii; 1854 1855 splx(s); 1856 1857 delay(1000); 1858 1859 s = splusb(); 1860 #ifdef DIAGNOSTIC 1861 ii->isdone = 1; 1862 #endif 1863 usb_transfer_complete(xfer); 1864 splx(s); 1865 } 1866 1867 /* Close a device bulk pipe. */ 1868 void 1869 uhci_device_bulk_close(usbd_pipe_handle pipe) 1870 { 1871 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1872 usbd_device_handle dev = upipe->pipe.device; 1873 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1874 1875 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1876 } 1877 1878 usbd_status 1879 uhci_device_ctrl_transfer(usbd_xfer_handle xfer) 1880 { 1881 usbd_status err; 1882 1883 /* Insert last in queue. */ 1884 err = usb_insert_transfer(xfer); 1885 if (err) 1886 return (err); 1887 1888 /* 1889 * Pipe isn't running (otherwise err would be USBD_INPROG), 1890 * so start it first. 1891 */ 1892 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1893 } 1894 1895 usbd_status 1896 uhci_device_ctrl_start(usbd_xfer_handle xfer) 1897 { 1898 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1899 usbd_status err; 1900 1901 if (sc->sc_dying) 1902 return (USBD_IOERROR); 1903 1904 #ifdef DIAGNOSTIC 1905 if (!(xfer->rqflags & URQ_REQUEST)) 1906 panic("uhci_device_ctrl_transfer: not a request\n"); 1907 #endif 1908 1909 err = uhci_device_request(xfer); 1910 if (err) 1911 return (err); 1912 1913 if (sc->sc_bus.use_polling) 1914 uhci_waitintr(sc, xfer); 1915 return (USBD_IN_PROGRESS); 1916 } 1917 1918 usbd_status 1919 uhci_device_intr_transfer(usbd_xfer_handle xfer) 1920 { 1921 usbd_status err; 1922 1923 /* Insert last in queue. */ 1924 err = usb_insert_transfer(xfer); 1925 if (err) 1926 return (err); 1927 1928 /* 1929 * Pipe isn't running (otherwise err would be USBD_INPROG), 1930 * so start it first. 1931 */ 1932 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1933 } 1934 1935 usbd_status 1936 uhci_device_intr_start(usbd_xfer_handle xfer) 1937 { 1938 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1939 usbd_device_handle dev = upipe->pipe.device; 1940 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1941 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1942 uhci_soft_td_t *data, *dataend; 1943 uhci_soft_qh_t *sqh; 1944 usbd_status err; 1945 int i, s; 1946 1947 if (sc->sc_dying) 1948 return (USBD_IOERROR); 1949 1950 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1951 xfer, xfer->length, xfer->flags)); 1952 1953 #ifdef DIAGNOSTIC 1954 if (xfer->rqflags & URQ_REQUEST) 1955 panic("uhci_device_intr_transfer: a request\n"); 1956 #endif 1957 1958 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 1959 &xfer->dmabuf, &data, &dataend); 1960 if (err) 1961 return (err); 1962 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1963 1964 #ifdef UHCI_DEBUG 1965 if (uhcidebug > 10) { 1966 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 1967 uhci_dump_tds(data); 1968 uhci_dump_qh(upipe->u.intr.qhs[0]); 1969 } 1970 #endif 1971 1972 s = splusb(); 1973 /* Set up interrupt info. */ 1974 ii->xfer = xfer; 1975 ii->stdstart = data; 1976 ii->stdend = dataend; 1977 #ifdef DIAGNOSTIC 1978 if (!ii->isdone) { 1979 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 1980 } 1981 ii->isdone = 0; 1982 #endif 1983 1984 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1985 upipe->u.intr.qhs[0])); 1986 for (i = 0; i < upipe->u.intr.npoll; i++) { 1987 sqh = upipe->u.intr.qhs[i]; 1988 sqh->elink = data; 1989 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 1990 } 1991 uhci_add_intr_info(sc, ii); 1992 xfer->status = USBD_IN_PROGRESS; 1993 splx(s); 1994 1995 #ifdef UHCI_DEBUG 1996 if (uhcidebug > 10) { 1997 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 1998 uhci_dump_tds(data); 1999 uhci_dump_qh(upipe->u.intr.qhs[0]); 2000 } 2001 #endif 2002 2003 return (USBD_IN_PROGRESS); 2004 } 2005 2006 /* Abort a device control request. */ 2007 void 2008 uhci_device_ctrl_abort(usbd_xfer_handle xfer) 2009 { 2010 DPRINTF(("uhci_device_ctrl_abort:\n")); 2011 uhci_abort_xfer(xfer, USBD_CANCELLED); 2012 } 2013 2014 /* Close a device control pipe. */ 2015 void 2016 uhci_device_ctrl_close(usbd_pipe_handle pipe) 2017 { 2018 } 2019 2020 /* Abort a device interrupt request. */ 2021 void 2022 uhci_device_intr_abort(usbd_xfer_handle xfer) 2023 { 2024 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 2025 if (xfer->pipe->intrxfer == xfer) { 2026 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 2027 xfer->pipe->intrxfer = 0; 2028 } 2029 uhci_abort_xfer(xfer, USBD_CANCELLED); 2030 } 2031 2032 /* Close a device interrupt pipe. */ 2033 void 2034 uhci_device_intr_close(usbd_pipe_handle pipe) 2035 { 2036 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2037 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2038 int i, npoll; 2039 int s; 2040 2041 /* Unlink descriptors from controller data structures. */ 2042 npoll = upipe->u.intr.npoll; 2043 s = splusb(); 2044 for (i = 0; i < npoll; i++) 2045 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 2046 splx(s); 2047 2048 /* 2049 * We now have to wait for any activity on the physical 2050 * descriptors to stop. 2051 */ 2052 usb_delay_ms(&sc->sc_bus, 2); 2053 2054 for(i = 0; i < npoll; i++) 2055 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 2056 free(upipe->u.intr.qhs, M_USBHC); 2057 2058 /* XXX free other resources */ 2059 } 2060 2061 usbd_status 2062 uhci_device_request(usbd_xfer_handle xfer) 2063 { 2064 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2065 usb_device_request_t *req = &xfer->request; 2066 usbd_device_handle dev = upipe->pipe.device; 2067 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2068 int addr = dev->address; 2069 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2070 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2071 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 2072 uhci_soft_qh_t *sqh; 2073 int len; 2074 u_int32_t ls; 2075 usbd_status err; 2076 int isread; 2077 int s; 2078 2079 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 2080 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 2081 req->bmRequestType, req->bRequest, UGETW(req->wValue), 2082 UGETW(req->wIndex), UGETW(req->wLength), 2083 addr, endpt)); 2084 2085 ls = dev->lowspeed ? UHCI_TD_LS : 0; 2086 isread = req->bmRequestType & UT_READ; 2087 len = UGETW(req->wLength); 2088 2089 setup = upipe->u.ctl.setup; 2090 stat = upipe->u.ctl.stat; 2091 sqh = upipe->u.ctl.sqh; 2092 2093 /* Set up data transaction */ 2094 if (len != 0) { 2095 upipe->nexttoggle = 1; 2096 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 2097 &xfer->dmabuf, &data, &dataend); 2098 if (err) 2099 return (err); 2100 next = data; 2101 dataend->link.std = stat; 2102 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2103 } else { 2104 next = stat; 2105 } 2106 upipe->u.ctl.length = len; 2107 2108 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2109 2110 setup->link.std = next; 2111 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2112 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2113 UHCI_TD_ACTIVE); 2114 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2115 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2116 2117 stat->link.std = NULL; 2118 stat->td.td_link = htole32(UHCI_PTR_T); 2119 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2120 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2121 stat->td.td_token = 2122 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2123 UHCI_TD_IN (0, endpt, addr, 1)); 2124 stat->td.td_buffer = htole32(0); 2125 2126 #ifdef UHCI_DEBUG 2127 if (uhcidebug > 10) { 2128 DPRINTF(("uhci_device_request: before transfer\n")); 2129 uhci_dump_tds(setup); 2130 } 2131 #endif 2132 2133 /* Set up interrupt info. */ 2134 ii->xfer = xfer; 2135 ii->stdstart = setup; 2136 ii->stdend = stat; 2137 #ifdef DIAGNOSTIC 2138 if (!ii->isdone) { 2139 printf("uhci_device_request: not done, ii=%p\n", ii); 2140 } 2141 ii->isdone = 0; 2142 #endif 2143 2144 sqh->elink = setup; 2145 sqh->qh.qh_elink = htole32(setup->physaddr | UHCI_PTR_TD); 2146 2147 s = splusb(); 2148 if (dev->lowspeed) 2149 uhci_add_ls_ctrl(sc, sqh); 2150 else 2151 uhci_add_hs_ctrl(sc, sqh); 2152 uhci_add_intr_info(sc, ii); 2153 #ifdef UHCI_DEBUG 2154 if (uhcidebug > 12) { 2155 uhci_soft_td_t *std; 2156 uhci_soft_qh_t *xqh; 2157 uhci_soft_qh_t *sxqh; 2158 int maxqh = 0; 2159 uhci_physaddr_t link; 2160 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2161 for (std = sc->sc_vframes[0].htd, link = 0; 2162 (link & UHCI_PTR_QH) == 0; 2163 std = std->link.std) { 2164 link = le32toh(std->td.td_link); 2165 uhci_dump_td(std); 2166 } 2167 sxqh = (uhci_soft_qh_t *)std; 2168 uhci_dump_qh(sxqh); 2169 for (xqh = sxqh; 2170 xqh != NULL; 2171 xqh = (maxqh++ == 5 || xqh->hlink == sxqh || 2172 xqh->hlink == xqh ? NULL : xqh->hlink)) { 2173 uhci_dump_qh(xqh); 2174 } 2175 DPRINTF(("Enqueued QH:\n")); 2176 uhci_dump_qh(sqh); 2177 uhci_dump_tds(sqh->elink); 2178 } 2179 #endif 2180 if (xfer->timeout && !sc->sc_bus.use_polling) { 2181 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2182 uhci_timeout, ii); 2183 } 2184 xfer->status = USBD_IN_PROGRESS; 2185 splx(s); 2186 2187 return (USBD_NORMAL_COMPLETION); 2188 } 2189 2190 usbd_status 2191 uhci_device_isoc_transfer(usbd_xfer_handle xfer) 2192 { 2193 usbd_status err; 2194 2195 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2196 2197 /* Put it on our queue, */ 2198 err = usb_insert_transfer(xfer); 2199 2200 /* bail out on error, */ 2201 if (err && err != USBD_IN_PROGRESS) 2202 return (err); 2203 2204 /* XXX should check inuse here */ 2205 2206 /* insert into schedule, */ 2207 uhci_device_isoc_enter(xfer); 2208 2209 /* and start if the pipe wasn't running */ 2210 if (!err) 2211 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2212 2213 return (err); 2214 } 2215 2216 void 2217 uhci_device_isoc_enter(usbd_xfer_handle xfer) 2218 { 2219 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2220 usbd_device_handle dev = upipe->pipe.device; 2221 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2222 struct iso *iso = &upipe->u.iso; 2223 uhci_soft_td_t *std; 2224 u_int32_t buf, len, status; 2225 int s, i, next, nframes; 2226 2227 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2228 "nframes=%d\n", 2229 iso->inuse, iso->next, xfer, xfer->nframes)); 2230 2231 if (sc->sc_dying) 2232 return; 2233 2234 if (xfer->status == USBD_IN_PROGRESS) { 2235 /* This request has already been entered into the frame list */ 2236 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2237 /* XXX */ 2238 } 2239 2240 #ifdef DIAGNOSTIC 2241 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2242 printf("uhci_device_isoc_enter: overflow!\n"); 2243 #endif 2244 2245 next = iso->next; 2246 if (next == -1) { 2247 /* Not in use yet, schedule it a few frames ahead. */ 2248 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2249 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2250 } 2251 2252 xfer->status = USBD_IN_PROGRESS; 2253 UXFER(xfer)->curframe = next; 2254 2255 buf = DMAADDR(&xfer->dmabuf); 2256 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2257 UHCI_TD_ACTIVE | 2258 UHCI_TD_IOS); 2259 nframes = xfer->nframes; 2260 s = splusb(); 2261 for (i = 0; i < nframes; i++) { 2262 std = iso->stds[next]; 2263 if (++next >= UHCI_VFRAMELIST_COUNT) 2264 next = 0; 2265 len = xfer->frlengths[i]; 2266 std->td.td_buffer = htole32(buf); 2267 if (i == nframes - 1) 2268 status |= UHCI_TD_IOC; 2269 std->td.td_status = htole32(status); 2270 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2271 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2272 #ifdef UHCI_DEBUG 2273 if (uhcidebug > 5) { 2274 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2275 uhci_dump_td(std); 2276 } 2277 #endif 2278 buf += len; 2279 } 2280 iso->next = next; 2281 iso->inuse += xfer->nframes; 2282 2283 splx(s); 2284 } 2285 2286 usbd_status 2287 uhci_device_isoc_start(usbd_xfer_handle xfer) 2288 { 2289 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2290 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2291 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2292 uhci_soft_td_t *end; 2293 int s, i; 2294 2295 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2296 2297 if (sc->sc_dying) 2298 return (USBD_IOERROR); 2299 2300 #ifdef DIAGNOSTIC 2301 if (xfer->status != USBD_IN_PROGRESS) 2302 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2303 #endif 2304 2305 /* Find the last TD */ 2306 i = UXFER(xfer)->curframe + xfer->nframes; 2307 if (i >= UHCI_VFRAMELIST_COUNT) 2308 i -= UHCI_VFRAMELIST_COUNT; 2309 end = upipe->u.iso.stds[i]; 2310 2311 #ifdef DIAGNOSTIC 2312 if (end == NULL) { 2313 printf("uhci_device_isoc_start: end == NULL\n"); 2314 return (USBD_INVAL); 2315 } 2316 #endif 2317 2318 s = splusb(); 2319 2320 /* Set up interrupt info. */ 2321 ii->xfer = xfer; 2322 ii->stdstart = end; 2323 ii->stdend = end; 2324 #ifdef DIAGNOSTIC 2325 if (!ii->isdone) 2326 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2327 ii->isdone = 0; 2328 #endif 2329 uhci_add_intr_info(sc, ii); 2330 2331 splx(s); 2332 2333 return (USBD_IN_PROGRESS); 2334 } 2335 2336 void 2337 uhci_device_isoc_abort(usbd_xfer_handle xfer) 2338 { 2339 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2340 uhci_soft_td_t **stds = upipe->u.iso.stds; 2341 uhci_soft_td_t *std; 2342 int i, n, s, nframes, maxlen, len; 2343 2344 s = splusb(); 2345 2346 /* Transfer is already done. */ 2347 if (xfer->status != USBD_NOT_STARTED && 2348 xfer->status != USBD_IN_PROGRESS) { 2349 splx(s); 2350 return; 2351 } 2352 2353 /* Give xfer the requested abort code. */ 2354 xfer->status = USBD_CANCELLED; 2355 2356 /* make hardware ignore it, */ 2357 nframes = xfer->nframes; 2358 n = UXFER(xfer)->curframe; 2359 maxlen = 0; 2360 for (i = 0; i < nframes; i++) { 2361 std = stds[n]; 2362 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2363 len = UHCI_TD_GET_MAXLEN(std->td.td_token); 2364 if (len > maxlen) 2365 maxlen = len; 2366 if (++n >= UHCI_VFRAMELIST_COUNT) 2367 n = 0; 2368 } 2369 2370 /* and wait until we are sure the hardware has finished. */ 2371 delay(maxlen); 2372 2373 #ifdef DIAGNOSTIC 2374 UXFER(xfer)->iinfo.isdone = 1; 2375 #endif 2376 /* Run callback and remove from interrupt list. */ 2377 usb_transfer_complete(xfer); 2378 2379 splx(s); 2380 } 2381 2382 void 2383 uhci_device_isoc_close(usbd_pipe_handle pipe) 2384 { 2385 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2386 usbd_device_handle dev = upipe->pipe.device; 2387 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2388 uhci_soft_td_t *std, *vstd; 2389 struct iso *iso; 2390 int i, s; 2391 2392 /* 2393 * Make sure all TDs are marked as inactive. 2394 * Wait for completion. 2395 * Unschedule. 2396 * Deallocate. 2397 */ 2398 iso = &upipe->u.iso; 2399 2400 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2401 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2402 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2403 2404 s = splusb(); 2405 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2406 std = iso->stds[i]; 2407 for (vstd = sc->sc_vframes[i].htd; 2408 vstd != NULL && vstd->link.std != std; 2409 vstd = vstd->link.std) 2410 ; 2411 if (vstd == NULL) { 2412 /*panic*/ 2413 printf("uhci_device_isoc_close: %p not found\n", std); 2414 splx(s); 2415 return; 2416 } 2417 vstd->link = std->link; 2418 vstd->td.td_link = std->td.td_link; 2419 uhci_free_std(sc, std); 2420 } 2421 splx(s); 2422 2423 free(iso->stds, M_USBHC); 2424 } 2425 2426 usbd_status 2427 uhci_setup_isoc(usbd_pipe_handle pipe) 2428 { 2429 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2430 usbd_device_handle dev = upipe->pipe.device; 2431 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2432 int addr = upipe->pipe.device->address; 2433 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2434 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2435 uhci_soft_td_t *std, *vstd; 2436 u_int32_t token; 2437 struct iso *iso; 2438 int i, s; 2439 2440 iso = &upipe->u.iso; 2441 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2442 M_USBHC, M_WAITOK); 2443 2444 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2445 UHCI_TD_OUT(0, endpt, addr, 0); 2446 2447 /* Allocate the TDs and mark as inactive; */ 2448 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2449 std = uhci_alloc_std(sc); 2450 if (std == 0) 2451 goto bad; 2452 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2453 std->td.td_token = htole32(token); 2454 iso->stds[i] = std; 2455 } 2456 2457 /* Insert TDs into schedule. */ 2458 s = splusb(); 2459 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2460 std = iso->stds[i]; 2461 vstd = sc->sc_vframes[i].htd; 2462 std->link = vstd->link; 2463 std->td.td_link = vstd->td.td_link; 2464 vstd->link.std = std; 2465 vstd->td.td_link = htole32(std->physaddr | UHCI_PTR_TD); 2466 } 2467 splx(s); 2468 2469 iso->next = -1; 2470 iso->inuse = 0; 2471 2472 return (USBD_NORMAL_COMPLETION); 2473 2474 bad: 2475 while (--i >= 0) 2476 uhci_free_std(sc, iso->stds[i]); 2477 free(iso->stds, M_USBHC); 2478 return (USBD_NOMEM); 2479 } 2480 2481 void 2482 uhci_device_isoc_done(usbd_xfer_handle xfer) 2483 { 2484 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2485 2486 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2487 2488 if (ii->xfer != xfer) 2489 /* Not on interrupt list, ignore it. */ 2490 return; 2491 2492 #ifdef DIAGNOSTIC 2493 if (xfer->busy_free != XFER_BUSY) { 2494 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2495 xfer, xfer->busy_free); 2496 return; 2497 } 2498 2499 if (ii->stdend == NULL) { 2500 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2501 #ifdef UHCI_DEBUG 2502 uhci_dump_ii(ii); 2503 #endif 2504 return; 2505 } 2506 #endif 2507 2508 /* Turn off the interrupt since it is active even if the TD is not. */ 2509 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2510 2511 uhci_del_intr_info(ii); /* remove from active list */ 2512 } 2513 2514 void 2515 uhci_device_intr_done(usbd_xfer_handle xfer) 2516 { 2517 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2518 uhci_softc_t *sc = ii->sc; 2519 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2520 uhci_soft_qh_t *sqh; 2521 int i, npoll; 2522 2523 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2524 2525 npoll = upipe->u.intr.npoll; 2526 for(i = 0; i < npoll; i++) { 2527 sqh = upipe->u.intr.qhs[i]; 2528 sqh->elink = NULL; 2529 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2530 } 2531 uhci_free_std_chain(sc, ii->stdstart, 0); 2532 2533 /* XXX Wasteful. */ 2534 if (xfer->pipe->repeat) { 2535 uhci_soft_td_t *data, *dataend; 2536 2537 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2538 2539 /* This alloc cannot fail since we freed the chain above. */ 2540 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2541 &xfer->dmabuf, &data, &dataend); 2542 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2543 2544 #ifdef UHCI_DEBUG 2545 if (uhcidebug > 10) { 2546 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2547 uhci_dump_tds(data); 2548 uhci_dump_qh(upipe->u.intr.qhs[0]); 2549 } 2550 #endif 2551 2552 ii->stdstart = data; 2553 ii->stdend = dataend; 2554 #ifdef DIAGNOSTIC 2555 if (!ii->isdone) { 2556 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2557 } 2558 ii->isdone = 0; 2559 #endif 2560 for (i = 0; i < npoll; i++) { 2561 sqh = upipe->u.intr.qhs[i]; 2562 sqh->elink = data; 2563 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 2564 } 2565 xfer->status = USBD_IN_PROGRESS; 2566 /* The ii is already on the examined list, just leave it. */ 2567 } else { 2568 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2569 uhci_del_intr_info(ii); 2570 } 2571 } 2572 2573 /* Deallocate request data structures */ 2574 void 2575 uhci_device_ctrl_done(usbd_xfer_handle xfer) 2576 { 2577 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2578 uhci_softc_t *sc = ii->sc; 2579 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2580 2581 #ifdef DIAGNOSTIC 2582 if (!(xfer->rqflags & URQ_REQUEST)) 2583 panic("uhci_ctrl_done: not a request\n"); 2584 #endif 2585 2586 uhci_del_intr_info(ii); /* remove from active list */ 2587 2588 if (upipe->pipe.device->lowspeed) 2589 uhci_remove_ls_ctrl(sc, upipe->u.ctl.sqh); 2590 else 2591 uhci_remove_hs_ctrl(sc, upipe->u.ctl.sqh); 2592 2593 if (upipe->u.ctl.length != 0) 2594 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2595 2596 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2597 } 2598 2599 /* Deallocate request data structures */ 2600 void 2601 uhci_device_bulk_done(usbd_xfer_handle xfer) 2602 { 2603 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2604 uhci_softc_t *sc = ii->sc; 2605 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2606 2607 uhci_del_intr_info(ii); /* remove from active list */ 2608 2609 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2610 2611 uhci_free_std_chain(sc, ii->stdstart, 0); 2612 2613 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2614 } 2615 2616 /* Add interrupt QH, called with vflock. */ 2617 void 2618 uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2619 { 2620 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2621 uhci_soft_qh_t *eqh; 2622 2623 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2624 2625 eqh = vf->eqh; 2626 sqh->hlink = eqh->hlink; 2627 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2628 eqh->hlink = sqh; 2629 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 2630 vf->eqh = sqh; 2631 vf->bandwidth++; 2632 } 2633 2634 /* Remove interrupt QH. */ 2635 void 2636 uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2637 { 2638 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2639 uhci_soft_qh_t *pqh; 2640 2641 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2642 2643 /* See comment in uhci_remove_ctrl() */ 2644 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 2645 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2646 delay(UHCI_QH_REMOVE_DELAY); 2647 } 2648 2649 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2650 pqh->hlink = sqh->hlink; 2651 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2652 delay(UHCI_QH_REMOVE_DELAY); 2653 if (vf->eqh == sqh) 2654 vf->eqh = pqh; 2655 vf->bandwidth--; 2656 } 2657 2658 usbd_status 2659 uhci_device_setintr(uhci_softc_t *sc, struct uhci_pipe *upipe, int ival) 2660 { 2661 uhci_soft_qh_t *sqh; 2662 int i, npoll, s; 2663 u_int bestbw, bw, bestoffs, offs; 2664 2665 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2666 if (ival == 0) { 2667 printf("uhci_setintr: 0 interval\n"); 2668 return (USBD_INVAL); 2669 } 2670 2671 if (ival > UHCI_VFRAMELIST_COUNT) 2672 ival = UHCI_VFRAMELIST_COUNT; 2673 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2674 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2675 2676 upipe->u.intr.npoll = npoll; 2677 upipe->u.intr.qhs = 2678 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2679 2680 /* 2681 * Figure out which offset in the schedule that has most 2682 * bandwidth left over. 2683 */ 2684 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2685 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2686 for (bw = i = 0; i < npoll; i++) 2687 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2688 if (bw < bestbw) { 2689 bestbw = bw; 2690 bestoffs = offs; 2691 } 2692 } 2693 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2694 2695 for(i = 0; i < npoll; i++) { 2696 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2697 sqh->elink = NULL; 2698 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2699 sqh->pos = MOD(i * ival + bestoffs); 2700 } 2701 #undef MOD 2702 2703 s = splusb(); 2704 /* Enter QHs into the controller data structures. */ 2705 for(i = 0; i < npoll; i++) 2706 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2707 splx(s); 2708 2709 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2710 return (USBD_NORMAL_COMPLETION); 2711 } 2712 2713 /* Open a new pipe. */ 2714 usbd_status 2715 uhci_open(usbd_pipe_handle pipe) 2716 { 2717 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2718 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2719 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2720 usbd_status err; 2721 int ival; 2722 2723 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2724 pipe, pipe->device->address, 2725 ed->bEndpointAddress, sc->sc_addr)); 2726 2727 upipe->aborting = 0; 2728 upipe->nexttoggle = 0; 2729 2730 if (pipe->device->address == sc->sc_addr) { 2731 switch (ed->bEndpointAddress) { 2732 case USB_CONTROL_ENDPOINT: 2733 pipe->methods = &uhci_root_ctrl_methods; 2734 break; 2735 case UE_DIR_IN | UHCI_INTR_ENDPT: 2736 pipe->methods = &uhci_root_intr_methods; 2737 break; 2738 default: 2739 return (USBD_INVAL); 2740 } 2741 } else { 2742 switch (ed->bmAttributes & UE_XFERTYPE) { 2743 case UE_CONTROL: 2744 pipe->methods = &uhci_device_ctrl_methods; 2745 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2746 if (upipe->u.ctl.sqh == NULL) 2747 goto bad; 2748 upipe->u.ctl.setup = uhci_alloc_std(sc); 2749 if (upipe->u.ctl.setup == NULL) { 2750 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2751 goto bad; 2752 } 2753 upipe->u.ctl.stat = uhci_alloc_std(sc); 2754 if (upipe->u.ctl.stat == NULL) { 2755 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2756 uhci_free_std(sc, upipe->u.ctl.setup); 2757 goto bad; 2758 } 2759 err = usb_allocmem(&sc->sc_bus, 2760 sizeof(usb_device_request_t), 2761 0, &upipe->u.ctl.reqdma); 2762 if (err) { 2763 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2764 uhci_free_std(sc, upipe->u.ctl.setup); 2765 uhci_free_std(sc, upipe->u.ctl.stat); 2766 goto bad; 2767 } 2768 break; 2769 case UE_INTERRUPT: 2770 pipe->methods = &uhci_device_intr_methods; 2771 ival = pipe->interval; 2772 if (ival == USBD_DEFAULT_INTERVAL) 2773 ival = ed->bInterval; 2774 return (uhci_device_setintr(sc, upipe, ival)); 2775 case UE_ISOCHRONOUS: 2776 pipe->methods = &uhci_device_isoc_methods; 2777 return (uhci_setup_isoc(pipe)); 2778 case UE_BULK: 2779 pipe->methods = &uhci_device_bulk_methods; 2780 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2781 if (upipe->u.bulk.sqh == NULL) 2782 goto bad; 2783 break; 2784 } 2785 } 2786 return (USBD_NORMAL_COMPLETION); 2787 2788 bad: 2789 return (USBD_NOMEM); 2790 } 2791 2792 /* 2793 * Data structures and routines to emulate the root hub. 2794 */ 2795 usb_device_descriptor_t uhci_devd = { 2796 USB_DEVICE_DESCRIPTOR_SIZE, 2797 UDESC_DEVICE, /* type */ 2798 {0x00, 0x01}, /* USB version */ 2799 UDCLASS_HUB, /* class */ 2800 UDSUBCLASS_HUB, /* subclass */ 2801 0, /* protocol */ 2802 64, /* max packet */ 2803 {0},{0},{0x00,0x01}, /* device id */ 2804 1,2,0, /* string indicies */ 2805 1 /* # of configurations */ 2806 }; 2807 2808 usb_config_descriptor_t uhci_confd = { 2809 USB_CONFIG_DESCRIPTOR_SIZE, 2810 UDESC_CONFIG, 2811 {USB_CONFIG_DESCRIPTOR_SIZE + 2812 USB_INTERFACE_DESCRIPTOR_SIZE + 2813 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2814 1, 2815 1, 2816 0, 2817 UC_SELF_POWERED, 2818 0 /* max power */ 2819 }; 2820 2821 usb_interface_descriptor_t uhci_ifcd = { 2822 USB_INTERFACE_DESCRIPTOR_SIZE, 2823 UDESC_INTERFACE, 2824 0, 2825 0, 2826 1, 2827 UICLASS_HUB, 2828 UISUBCLASS_HUB, 2829 0, 2830 0 2831 }; 2832 2833 usb_endpoint_descriptor_t uhci_endpd = { 2834 USB_ENDPOINT_DESCRIPTOR_SIZE, 2835 UDESC_ENDPOINT, 2836 UE_DIR_IN | UHCI_INTR_ENDPT, 2837 UE_INTERRUPT, 2838 {8}, 2839 255 2840 }; 2841 2842 usb_hub_descriptor_t uhci_hubd_piix = { 2843 USB_HUB_DESCRIPTOR_SIZE, 2844 UDESC_HUB, 2845 2, 2846 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2847 50, /* power on to power good */ 2848 0, 2849 { 0x00 }, /* both ports are removable */ 2850 }; 2851 2852 int 2853 uhci_str(usb_string_descriptor_t *p, int l, char *s) 2854 { 2855 int i; 2856 2857 if (l == 0) 2858 return (0); 2859 p->bLength = 2 * strlen(s) + 2; 2860 if (l == 1) 2861 return (1); 2862 p->bDescriptorType = UDESC_STRING; 2863 l -= 2; 2864 for (i = 0; s[i] && l > 1; i++, l -= 2) 2865 USETW2(p->bString[i], 0, s[i]); 2866 return (2*i+2); 2867 } 2868 2869 /* 2870 * Simulate a hardware hub by handling all the necessary requests. 2871 */ 2872 usbd_status 2873 uhci_root_ctrl_transfer(usbd_xfer_handle xfer) 2874 { 2875 usbd_status err; 2876 2877 /* Insert last in queue. */ 2878 err = usb_insert_transfer(xfer); 2879 if (err) 2880 return (err); 2881 2882 /* 2883 * Pipe isn't running (otherwise err would be USBD_INPROG), 2884 * so start it first. 2885 */ 2886 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2887 } 2888 2889 usbd_status 2890 uhci_root_ctrl_start(usbd_xfer_handle xfer) 2891 { 2892 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2893 usb_device_request_t *req; 2894 void *buf = NULL; 2895 int port, x; 2896 int s, len, value, index, status, change, l, totlen = 0; 2897 usb_port_status_t ps; 2898 usbd_status err; 2899 2900 if (sc->sc_dying) 2901 return (USBD_IOERROR); 2902 2903 #ifdef DIAGNOSTIC 2904 if (!(xfer->rqflags & URQ_REQUEST)) 2905 panic("uhci_root_ctrl_transfer: not a request\n"); 2906 #endif 2907 req = &xfer->request; 2908 2909 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2910 req->bmRequestType, req->bRequest)); 2911 2912 len = UGETW(req->wLength); 2913 value = UGETW(req->wValue); 2914 index = UGETW(req->wIndex); 2915 2916 if (len != 0) 2917 buf = KERNADDR(&xfer->dmabuf); 2918 2919 #define C(x,y) ((x) | ((y) << 8)) 2920 switch(C(req->bRequest, req->bmRequestType)) { 2921 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2922 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2923 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2924 /* 2925 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2926 * for the integrated root hub. 2927 */ 2928 break; 2929 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2930 if (len > 0) { 2931 *(u_int8_t *)buf = sc->sc_conf; 2932 totlen = 1; 2933 } 2934 break; 2935 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2936 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2937 switch(value >> 8) { 2938 case UDESC_DEVICE: 2939 if ((value & 0xff) != 0) { 2940 err = USBD_IOERROR; 2941 goto ret; 2942 } 2943 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2944 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2945 memcpy(buf, &uhci_devd, l); 2946 break; 2947 case UDESC_CONFIG: 2948 if ((value & 0xff) != 0) { 2949 err = USBD_IOERROR; 2950 goto ret; 2951 } 2952 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2953 memcpy(buf, &uhci_confd, l); 2954 buf = (char *)buf + l; 2955 len -= l; 2956 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2957 totlen += l; 2958 memcpy(buf, &uhci_ifcd, l); 2959 buf = (char *)buf + l; 2960 len -= l; 2961 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2962 totlen += l; 2963 memcpy(buf, &uhci_endpd, l); 2964 break; 2965 case UDESC_STRING: 2966 if (len == 0) 2967 break; 2968 *(u_int8_t *)buf = 0; 2969 totlen = 1; 2970 switch (value & 0xff) { 2971 case 1: /* Vendor */ 2972 totlen = uhci_str(buf, len, sc->sc_vendor); 2973 break; 2974 case 2: /* Product */ 2975 totlen = uhci_str(buf, len, "UHCI root hub"); 2976 break; 2977 } 2978 break; 2979 default: 2980 err = USBD_IOERROR; 2981 goto ret; 2982 } 2983 break; 2984 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2985 if (len > 0) { 2986 *(u_int8_t *)buf = 0; 2987 totlen = 1; 2988 } 2989 break; 2990 case C(UR_GET_STATUS, UT_READ_DEVICE): 2991 if (len > 1) { 2992 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2993 totlen = 2; 2994 } 2995 break; 2996 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2997 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2998 if (len > 1) { 2999 USETW(((usb_status_t *)buf)->wStatus, 0); 3000 totlen = 2; 3001 } 3002 break; 3003 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 3004 if (value >= USB_MAX_DEVICES) { 3005 err = USBD_IOERROR; 3006 goto ret; 3007 } 3008 sc->sc_addr = value; 3009 break; 3010 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 3011 if (value != 0 && value != 1) { 3012 err = USBD_IOERROR; 3013 goto ret; 3014 } 3015 sc->sc_conf = value; 3016 break; 3017 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 3018 break; 3019 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 3020 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 3021 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 3022 err = USBD_IOERROR; 3023 goto ret; 3024 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 3025 break; 3026 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 3027 break; 3028 /* Hub requests */ 3029 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 3030 break; 3031 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 3032 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 3033 "port=%d feature=%d\n", 3034 index, value)); 3035 if (index == 1) 3036 port = UHCI_PORTSC1; 3037 else if (index == 2) 3038 port = UHCI_PORTSC2; 3039 else { 3040 err = USBD_IOERROR; 3041 goto ret; 3042 } 3043 switch(value) { 3044 case UHF_PORT_ENABLE: 3045 x = UREAD2(sc, port); 3046 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 3047 break; 3048 case UHF_PORT_SUSPEND: 3049 x = UREAD2(sc, port); 3050 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 3051 break; 3052 case UHF_PORT_RESET: 3053 x = UREAD2(sc, port); 3054 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3055 break; 3056 case UHF_C_PORT_CONNECTION: 3057 x = UREAD2(sc, port); 3058 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 3059 break; 3060 case UHF_C_PORT_ENABLE: 3061 x = UREAD2(sc, port); 3062 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 3063 break; 3064 case UHF_C_PORT_OVER_CURRENT: 3065 x = UREAD2(sc, port); 3066 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 3067 break; 3068 case UHF_C_PORT_RESET: 3069 sc->sc_isreset = 0; 3070 err = USBD_NORMAL_COMPLETION; 3071 goto ret; 3072 case UHF_PORT_CONNECTION: 3073 case UHF_PORT_OVER_CURRENT: 3074 case UHF_PORT_POWER: 3075 case UHF_PORT_LOW_SPEED: 3076 case UHF_C_PORT_SUSPEND: 3077 default: 3078 err = USBD_IOERROR; 3079 goto ret; 3080 } 3081 break; 3082 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 3083 if (index == 1) 3084 port = UHCI_PORTSC1; 3085 else if (index == 2) 3086 port = UHCI_PORTSC2; 3087 else { 3088 err = USBD_IOERROR; 3089 goto ret; 3090 } 3091 if (len > 0) { 3092 *(u_int8_t *)buf = 3093 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3094 UHCI_PORTSC_LS_SHIFT; 3095 totlen = 1; 3096 } 3097 break; 3098 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3099 if (value != 0) { 3100 err = USBD_IOERROR; 3101 goto ret; 3102 } 3103 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3104 totlen = l; 3105 memcpy(buf, &uhci_hubd_piix, l); 3106 break; 3107 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3108 if (len != 4) { 3109 err = USBD_IOERROR; 3110 goto ret; 3111 } 3112 memset(buf, 0, len); 3113 totlen = len; 3114 break; 3115 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3116 if (index == 1) 3117 port = UHCI_PORTSC1; 3118 else if (index == 2) 3119 port = UHCI_PORTSC2; 3120 else { 3121 err = USBD_IOERROR; 3122 goto ret; 3123 } 3124 if (len != 4) { 3125 err = USBD_IOERROR; 3126 goto ret; 3127 } 3128 x = UREAD2(sc, port); 3129 status = change = 0; 3130 if (x & UHCI_PORTSC_CCS ) 3131 status |= UPS_CURRENT_CONNECT_STATUS; 3132 if (x & UHCI_PORTSC_CSC ) 3133 change |= UPS_C_CONNECT_STATUS; 3134 if (x & UHCI_PORTSC_PE ) 3135 status |= UPS_PORT_ENABLED; 3136 if (x & UHCI_PORTSC_POEDC) 3137 change |= UPS_C_PORT_ENABLED; 3138 if (x & UHCI_PORTSC_OCI ) 3139 status |= UPS_OVERCURRENT_INDICATOR; 3140 if (x & UHCI_PORTSC_OCIC ) 3141 change |= UPS_C_OVERCURRENT_INDICATOR; 3142 if (x & UHCI_PORTSC_SUSP ) 3143 status |= UPS_SUSPEND; 3144 if (x & UHCI_PORTSC_LSDA ) 3145 status |= UPS_LOW_SPEED; 3146 status |= UPS_PORT_POWER; 3147 if (sc->sc_isreset) 3148 change |= UPS_C_PORT_RESET; 3149 USETW(ps.wPortStatus, status); 3150 USETW(ps.wPortChange, change); 3151 l = min(len, sizeof ps); 3152 memcpy(buf, &ps, l); 3153 totlen = l; 3154 break; 3155 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3156 err = USBD_IOERROR; 3157 goto ret; 3158 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3159 break; 3160 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3161 if (index == 1) 3162 port = UHCI_PORTSC1; 3163 else if (index == 2) 3164 port = UHCI_PORTSC2; 3165 else { 3166 err = USBD_IOERROR; 3167 goto ret; 3168 } 3169 switch(value) { 3170 case UHF_PORT_ENABLE: 3171 x = UREAD2(sc, port); 3172 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3173 break; 3174 case UHF_PORT_SUSPEND: 3175 x = UREAD2(sc, port); 3176 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3177 break; 3178 case UHF_PORT_RESET: 3179 x = UREAD2(sc, port); 3180 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3181 usb_delay_ms(&sc->sc_bus, 50); /*XXX USB v1.1 7.1.7.3 */ 3182 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3183 delay(100); 3184 x = UREAD2(sc, port); 3185 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3186 usb_delay_ms(&sc->sc_bus, 10); /* XXX */ 3187 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3188 index, UREAD2(sc, port))); 3189 sc->sc_isreset = 1; 3190 break; 3191 case UHF_PORT_POWER: 3192 /* Pretend we turned on power */ 3193 err = USBD_NORMAL_COMPLETION; 3194 goto ret; 3195 case UHF_C_PORT_CONNECTION: 3196 case UHF_C_PORT_ENABLE: 3197 case UHF_C_PORT_OVER_CURRENT: 3198 case UHF_PORT_CONNECTION: 3199 case UHF_PORT_OVER_CURRENT: 3200 case UHF_PORT_LOW_SPEED: 3201 case UHF_C_PORT_SUSPEND: 3202 case UHF_C_PORT_RESET: 3203 default: 3204 err = USBD_IOERROR; 3205 goto ret; 3206 } 3207 break; 3208 default: 3209 err = USBD_IOERROR; 3210 goto ret; 3211 } 3212 xfer->actlen = totlen; 3213 err = USBD_NORMAL_COMPLETION; 3214 ret: 3215 xfer->status = err; 3216 s = splusb(); 3217 usb_transfer_complete(xfer); 3218 splx(s); 3219 return (USBD_IN_PROGRESS); 3220 } 3221 3222 /* Abort a root control request. */ 3223 void 3224 uhci_root_ctrl_abort(usbd_xfer_handle xfer) 3225 { 3226 /* Nothing to do, all transfers are synchronous. */ 3227 } 3228 3229 /* Close the root pipe. */ 3230 void 3231 uhci_root_ctrl_close(usbd_pipe_handle pipe) 3232 { 3233 DPRINTF(("uhci_root_ctrl_close\n")); 3234 } 3235 3236 /* Abort a root interrupt request. */ 3237 void 3238 uhci_root_intr_abort(usbd_xfer_handle xfer) 3239 { 3240 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3241 3242 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3243 sc->sc_intr_xfer = NULL; 3244 3245 if (xfer->pipe->intrxfer == xfer) { 3246 DPRINTF(("uhci_root_intr_abort: remove\n")); 3247 xfer->pipe->intrxfer = 0; 3248 } 3249 xfer->status = USBD_CANCELLED; 3250 #ifdef DIAGNOSTIC 3251 UXFER(xfer)->iinfo.isdone = 1; 3252 #endif 3253 usb_transfer_complete(xfer); 3254 } 3255 3256 usbd_status 3257 uhci_root_intr_transfer(usbd_xfer_handle xfer) 3258 { 3259 usbd_status err; 3260 3261 /* Insert last in queue. */ 3262 err = usb_insert_transfer(xfer); 3263 if (err) 3264 return (err); 3265 3266 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3267 * start first 3268 */ 3269 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3270 } 3271 3272 /* Start a transfer on the root interrupt pipe */ 3273 usbd_status 3274 uhci_root_intr_start(usbd_xfer_handle xfer) 3275 { 3276 usbd_pipe_handle pipe = xfer->pipe; 3277 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3278 3279 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3280 xfer, xfer->length, xfer->flags)); 3281 3282 if (sc->sc_dying) 3283 return (USBD_IOERROR); 3284 3285 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3286 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3287 sc->sc_intr_xfer = xfer; 3288 return (USBD_IN_PROGRESS); 3289 } 3290 3291 /* Close the root interrupt pipe. */ 3292 void 3293 uhci_root_intr_close(usbd_pipe_handle pipe) 3294 { 3295 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3296 3297 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3298 sc->sc_intr_xfer = NULL; 3299 DPRINTF(("uhci_root_intr_close\n")); 3300 } 3301
Indexes created Mon Sep 22 13:09:51 GMT 2025