uhci.c revision 1.151
1 /* $NetBSD: uhci.c,v 1.151 2002/01/27 23:00:34 augustss Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart (at) augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * USB Universal Host Controller driver. 43 * Handles e.g. PIIX3 and PIIX4. 44 * 45 * UHCI spec: http://developer.intel.com/design/USB/UHCI11D.htm 46 * USB spec: http://www.usb.org/developers/data/usbspec.zip 47 * PIIXn spec: ftp://download.intel.com/design/intarch/datashts/29055002.pdf 48 * ftp://download.intel.com/design/intarch/datashts/29056201.pdf 49 */ 50 51 #include <sys/cdefs.h> 52 __KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.151 2002/01/27 23:00:34 augustss Exp $"); 53 54 #include <sys/param.h> 55 #include <sys/systm.h> 56 #include <sys/kernel.h> 57 #include <sys/malloc.h> 58 #if defined(__NetBSD__) || defined(__OpenBSD__) 59 #include <sys/device.h> 60 #include <sys/select.h> 61 #elif defined(__FreeBSD__) 62 #include <sys/module.h> 63 #include <sys/bus.h> 64 #include <machine/bus_pio.h> 65 #if defined(DIAGNOSTIC) && defined(__i386__) 66 #include <machine/cpu.h> 67 #endif 68 #endif 69 #include <sys/proc.h> 70 #include <sys/queue.h> 71 72 #include <machine/bus.h> 73 #include <machine/endian.h> 74 75 #include <dev/usb/usb.h> 76 #include <dev/usb/usbdi.h> 77 #include <dev/usb/usbdivar.h> 78 #include <dev/usb/usb_mem.h> 79 #include <dev/usb/usb_quirks.h> 80 81 #include <dev/usb/uhcireg.h> 82 #include <dev/usb/uhcivar.h> 83 84 /* Use bandwidth reclamation for control transfers. Some devices choke on it. */ 85 /*#define UHCI_CTL_LOOP */ 86 87 #if defined(__FreeBSD__) 88 #include <machine/clock.h> 89 90 #define delay(d) DELAY(d) 91 #endif 92 93 #define MS_TO_TICKS(ms) ((ms) * hz / 1000) 94 95 #if defined(__OpenBSD__) 96 struct cfdriver uhci_cd = { 97 NULL, "uhci", DV_DULL 98 }; 99 #endif 100 101 #ifdef UHCI_DEBUG 102 uhci_softc_t *thesc; 103 #define DPRINTF(x) if (uhcidebug) printf x 104 #define DPRINTFN(n,x) if (uhcidebug>(n)) printf x 105 int uhcidebug = 0; 106 int uhcinoloop = 0; 107 #ifndef __NetBSD__ 108 #define bitmask_snprintf(q,f,b,l) snprintf((b), (l), "%b", (q), (f)) 109 #endif 110 #else 111 #define DPRINTF(x) 112 #define DPRINTFN(n,x) 113 #endif 114 115 /* 116 * The UHCI controller is little endian, so on big endian machines 117 * the data strored in memory needs to be swapped. 118 */ 119 #if defined(__FreeBSD__) || defined(__OpenBSD__) 120 #if BYTE_ORDER == BIG_ENDIAN 121 #define htole32(x) (bswap32(x)) 122 #define le32toh(x) (bswap32(x)) 123 #else 124 #define htole32(x) (x) 125 #define le32toh(x) (x) 126 #endif 127 #endif 128 129 struct uhci_pipe { 130 struct usbd_pipe pipe; 131 int nexttoggle; 132 133 u_char aborting; 134 usbd_xfer_handle abortstart, abortend; 135 136 /* Info needed for different pipe kinds. */ 137 union { 138 /* Control pipe */ 139 struct { 140 uhci_soft_qh_t *sqh; 141 usb_dma_t reqdma; 142 uhci_soft_td_t *setup, *stat; 143 u_int length; 144 } ctl; 145 /* Interrupt pipe */ 146 struct { 147 int npoll; 148 uhci_soft_qh_t **qhs; 149 } intr; 150 /* Bulk pipe */ 151 struct { 152 uhci_soft_qh_t *sqh; 153 u_int length; 154 int isread; 155 } bulk; 156 /* Iso pipe */ 157 struct iso { 158 uhci_soft_td_t **stds; 159 int next, inuse; 160 } iso; 161 } u; 162 }; 163 164 Static void uhci_globalreset(uhci_softc_t *); 165 Static void uhci_reset(uhci_softc_t *); 166 Static void uhci_shutdown(void *v); 167 Static void uhci_power(int, void *); 168 Static usbd_status uhci_run(uhci_softc_t *, int run); 169 Static uhci_soft_td_t *uhci_alloc_std(uhci_softc_t *); 170 Static void uhci_free_std(uhci_softc_t *, uhci_soft_td_t *); 171 Static uhci_soft_qh_t *uhci_alloc_sqh(uhci_softc_t *); 172 Static void uhci_free_sqh(uhci_softc_t *, uhci_soft_qh_t *); 173 #if 0 174 Static void uhci_enter_ctl_q(uhci_softc_t *, uhci_soft_qh_t *, 175 uhci_intr_info_t *); 176 Static void uhci_exit_ctl_q(uhci_softc_t *, uhci_soft_qh_t *); 177 #endif 178 179 Static void uhci_free_std_chain(uhci_softc_t *, 180 uhci_soft_td_t *, uhci_soft_td_t *); 181 Static usbd_status uhci_alloc_std_chain(struct uhci_pipe *, 182 uhci_softc_t *, int, int, u_int16_t, usb_dma_t *, 183 uhci_soft_td_t **, uhci_soft_td_t **); 184 Static void uhci_poll_hub(void *); 185 Static void uhci_waitintr(uhci_softc_t *, usbd_xfer_handle); 186 Static void uhci_check_intr(uhci_softc_t *, uhci_intr_info_t *); 187 Static void uhci_idone(uhci_intr_info_t *); 188 189 Static void uhci_abort_xfer(usbd_xfer_handle, usbd_status status); 190 191 Static void uhci_timeout(void *); 192 Static void uhci_add_ls_ctrl(uhci_softc_t *, uhci_soft_qh_t *); 193 Static void uhci_add_hs_ctrl(uhci_softc_t *, uhci_soft_qh_t *); 194 Static void uhci_add_bulk(uhci_softc_t *, uhci_soft_qh_t *); 195 Static void uhci_remove_ls_ctrl(uhci_softc_t *,uhci_soft_qh_t *); 196 Static void uhci_remove_hs_ctrl(uhci_softc_t *,uhci_soft_qh_t *); 197 Static void uhci_remove_bulk(uhci_softc_t *,uhci_soft_qh_t *); 198 Static int uhci_str(usb_string_descriptor_t *, int, char *); 199 Static void uhci_add_loop(uhci_softc_t *sc); 200 Static void uhci_rem_loop(uhci_softc_t *sc); 201 202 Static usbd_status uhci_setup_isoc(usbd_pipe_handle pipe); 203 Static void uhci_device_isoc_enter(usbd_xfer_handle); 204 205 Static usbd_status uhci_allocm(struct usbd_bus *, usb_dma_t *, u_int32_t); 206 Static void uhci_freem(struct usbd_bus *, usb_dma_t *); 207 208 Static usbd_xfer_handle uhci_allocx(struct usbd_bus *); 209 Static void uhci_freex(struct usbd_bus *, usbd_xfer_handle); 210 211 Static usbd_status uhci_device_ctrl_transfer(usbd_xfer_handle); 212 Static usbd_status uhci_device_ctrl_start(usbd_xfer_handle); 213 Static void uhci_device_ctrl_abort(usbd_xfer_handle); 214 Static void uhci_device_ctrl_close(usbd_pipe_handle); 215 Static void uhci_device_ctrl_done(usbd_xfer_handle); 216 217 Static usbd_status uhci_device_intr_transfer(usbd_xfer_handle); 218 Static usbd_status uhci_device_intr_start(usbd_xfer_handle); 219 Static void uhci_device_intr_abort(usbd_xfer_handle); 220 Static void uhci_device_intr_close(usbd_pipe_handle); 221 Static void uhci_device_intr_done(usbd_xfer_handle); 222 223 Static usbd_status uhci_device_bulk_transfer(usbd_xfer_handle); 224 Static usbd_status uhci_device_bulk_start(usbd_xfer_handle); 225 Static void uhci_device_bulk_abort(usbd_xfer_handle); 226 Static void uhci_device_bulk_close(usbd_pipe_handle); 227 Static void uhci_device_bulk_done(usbd_xfer_handle); 228 229 Static usbd_status uhci_device_isoc_transfer(usbd_xfer_handle); 230 Static usbd_status uhci_device_isoc_start(usbd_xfer_handle); 231 Static void uhci_device_isoc_abort(usbd_xfer_handle); 232 Static void uhci_device_isoc_close(usbd_pipe_handle); 233 Static void uhci_device_isoc_done(usbd_xfer_handle); 234 235 Static usbd_status uhci_root_ctrl_transfer(usbd_xfer_handle); 236 Static usbd_status uhci_root_ctrl_start(usbd_xfer_handle); 237 Static void uhci_root_ctrl_abort(usbd_xfer_handle); 238 Static void uhci_root_ctrl_close(usbd_pipe_handle); 239 Static void uhci_root_ctrl_done(usbd_xfer_handle); 240 241 Static usbd_status uhci_root_intr_transfer(usbd_xfer_handle); 242 Static usbd_status uhci_root_intr_start(usbd_xfer_handle); 243 Static void uhci_root_intr_abort(usbd_xfer_handle); 244 Static void uhci_root_intr_close(usbd_pipe_handle); 245 Static void uhci_root_intr_done(usbd_xfer_handle); 246 247 Static usbd_status uhci_open(usbd_pipe_handle); 248 Static void uhci_poll(struct usbd_bus *); 249 Static void uhci_softintr(void *); 250 251 Static usbd_status uhci_device_request(usbd_xfer_handle xfer); 252 253 Static void uhci_add_intr(uhci_softc_t *, uhci_soft_qh_t *); 254 Static void uhci_remove_intr(uhci_softc_t*, uhci_soft_qh_t*); 255 Static usbd_status uhci_device_setintr(uhci_softc_t *sc, 256 struct uhci_pipe *pipe, int ival); 257 258 Static void uhci_device_clear_toggle(usbd_pipe_handle pipe); 259 Static void uhci_noop(usbd_pipe_handle pipe); 260 261 Static __inline__ uhci_soft_qh_t *uhci_find_prev_qh(uhci_soft_qh_t *, 262 uhci_soft_qh_t *); 263 264 #ifdef UHCI_DEBUG 265 Static void uhci_dump_all(uhci_softc_t *); 266 Static void uhci_dumpregs(uhci_softc_t *); 267 Static void uhci_dump_qhs(uhci_soft_qh_t *); 268 Static void uhci_dump_qh(uhci_soft_qh_t *); 269 Static void uhci_dump_tds(uhci_soft_td_t *); 270 Static void uhci_dump_td(uhci_soft_td_t *); 271 Static void uhci_dump_ii(uhci_intr_info_t *ii); 272 void uhci_dump(void); 273 #endif 274 275 #define UBARR(sc) bus_space_barrier((sc)->iot, (sc)->ioh, 0, (sc)->sc_size, \ 276 BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE) 277 #define UWRITE1(sc, r, x) \ 278 do { UBARR(sc); bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 279 #define UWRITE2(sc, r, x) \ 280 do { UBARR(sc); bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 281 #define UWRITE4(sc, r, x) \ 282 do { UBARR(sc); bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)); } while (0) 283 #define UREAD1(sc, r) (UBARR(sc), bus_space_read_1((sc)->iot, (sc)->ioh, (r))) 284 #define UREAD2(sc, r) (UBARR(sc), bus_space_read_2((sc)->iot, (sc)->ioh, (r))) 285 #define UREAD4(sc, r) (UBARR(sc), bus_space_read_4((sc)->iot, (sc)->ioh, (r))) 286 287 #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) 288 #define UHCISTS(sc) UREAD2(sc, UHCI_STS) 289 290 #define UHCI_RESET_TIMEOUT 100 /* ms, reset timeout */ 291 292 #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) 293 294 #define UHCI_INTR_ENDPT 1 295 296 struct usbd_bus_methods uhci_bus_methods = { 297 uhci_open, 298 uhci_softintr, 299 uhci_poll, 300 uhci_allocm, 301 uhci_freem, 302 uhci_allocx, 303 uhci_freex, 304 }; 305 306 struct usbd_pipe_methods uhci_root_ctrl_methods = { 307 uhci_root_ctrl_transfer, 308 uhci_root_ctrl_start, 309 uhci_root_ctrl_abort, 310 uhci_root_ctrl_close, 311 uhci_noop, 312 uhci_root_ctrl_done, 313 }; 314 315 struct usbd_pipe_methods uhci_root_intr_methods = { 316 uhci_root_intr_transfer, 317 uhci_root_intr_start, 318 uhci_root_intr_abort, 319 uhci_root_intr_close, 320 uhci_noop, 321 uhci_root_intr_done, 322 }; 323 324 struct usbd_pipe_methods uhci_device_ctrl_methods = { 325 uhci_device_ctrl_transfer, 326 uhci_device_ctrl_start, 327 uhci_device_ctrl_abort, 328 uhci_device_ctrl_close, 329 uhci_noop, 330 uhci_device_ctrl_done, 331 }; 332 333 struct usbd_pipe_methods uhci_device_intr_methods = { 334 uhci_device_intr_transfer, 335 uhci_device_intr_start, 336 uhci_device_intr_abort, 337 uhci_device_intr_close, 338 uhci_device_clear_toggle, 339 uhci_device_intr_done, 340 }; 341 342 struct usbd_pipe_methods uhci_device_bulk_methods = { 343 uhci_device_bulk_transfer, 344 uhci_device_bulk_start, 345 uhci_device_bulk_abort, 346 uhci_device_bulk_close, 347 uhci_device_clear_toggle, 348 uhci_device_bulk_done, 349 }; 350 351 struct usbd_pipe_methods uhci_device_isoc_methods = { 352 uhci_device_isoc_transfer, 353 uhci_device_isoc_start, 354 uhci_device_isoc_abort, 355 uhci_device_isoc_close, 356 uhci_noop, 357 uhci_device_isoc_done, 358 }; 359 360 #define uhci_add_intr_info(sc, ii) \ 361 LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list); 362 #define uhci_del_intr_info(ii) \ 363 LIST_REMOVE((ii), list) 364 365 Static __inline__ uhci_soft_qh_t * 366 uhci_find_prev_qh(uhci_soft_qh_t *pqh, uhci_soft_qh_t *sqh) 367 { 368 DPRINTFN(15,("uhci_find_prev_qh: pqh=%p sqh=%p\n", pqh, sqh)); 369 370 for (; pqh->hlink != sqh; pqh = pqh->hlink) { 371 #if defined(DIAGNOSTIC) || defined(UHCI_DEBUG) 372 if (le32toh(pqh->qh.qh_hlink) & UHCI_PTR_T) { 373 printf("uhci_find_prev_qh: QH not found\n"); 374 return (NULL); 375 } 376 #endif 377 } 378 return (pqh); 379 } 380 381 void 382 uhci_globalreset(uhci_softc_t *sc) 383 { 384 UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ 385 usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ 386 UHCICMD(sc, 0); /* do nothing */ 387 } 388 389 usbd_status 390 uhci_init(uhci_softc_t *sc) 391 { 392 usbd_status err; 393 int i, j; 394 uhci_soft_qh_t *clsqh, *chsqh, *bsqh, *sqh, *lsqh; 395 uhci_soft_td_t *std; 396 397 DPRINTFN(1,("uhci_init: start\n")); 398 399 #ifdef UHCI_DEBUG 400 thesc = sc; 401 402 if (uhcidebug > 2) 403 uhci_dumpregs(sc); 404 #endif 405 406 UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ 407 uhci_globalreset(sc); /* reset the controller */ 408 uhci_reset(sc); 409 410 /* Allocate and initialize real frame array. */ 411 err = usb_allocmem(&sc->sc_bus, 412 UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), 413 UHCI_FRAMELIST_ALIGN, &sc->sc_dma); 414 if (err) 415 return (err); 416 sc->sc_pframes = KERNADDR(&sc->sc_dma); 417 UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */ 418 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); /* set frame list*/ 419 420 /* 421 * Allocate a TD, inactive, that hangs from the last QH. 422 * This is to avoid a bug in the PIIX that makes it run berserk 423 * otherwise. 424 */ 425 std = uhci_alloc_std(sc); 426 if (std == NULL) 427 return (USBD_NOMEM); 428 std->link.std = NULL; 429 std->td.td_link = htole32(UHCI_PTR_T); 430 std->td.td_status = htole32(0); /* inactive */ 431 std->td.td_token = htole32(0); 432 std->td.td_buffer = htole32(0); 433 434 /* Allocate the dummy QH marking the end and used for looping the QHs.*/ 435 lsqh = uhci_alloc_sqh(sc); 436 if (lsqh == NULL) 437 return (USBD_NOMEM); 438 lsqh->hlink = NULL; 439 lsqh->qh.qh_hlink = htole32(UHCI_PTR_T); /* end of QH chain */ 440 lsqh->elink = std; 441 lsqh->qh.qh_elink = htole32(std->physaddr | UHCI_PTR_TD); 442 sc->sc_last_qh = lsqh; 443 444 /* Allocate the dummy QH where bulk traffic will be queued. */ 445 bsqh = uhci_alloc_sqh(sc); 446 if (bsqh == NULL) 447 return (USBD_NOMEM); 448 bsqh->hlink = lsqh; 449 bsqh->qh.qh_hlink = htole32(lsqh->physaddr | UHCI_PTR_QH); 450 bsqh->elink = NULL; 451 bsqh->qh.qh_elink = htole32(UHCI_PTR_T); 452 sc->sc_bulk_start = sc->sc_bulk_end = bsqh; 453 454 /* Allocate dummy QH where high speed control traffic will be queued. */ 455 chsqh = uhci_alloc_sqh(sc); 456 if (chsqh == NULL) 457 return (USBD_NOMEM); 458 chsqh->hlink = bsqh; 459 chsqh->qh.qh_hlink = htole32(bsqh->physaddr | UHCI_PTR_QH); 460 chsqh->elink = NULL; 461 chsqh->qh.qh_elink = htole32(UHCI_PTR_T); 462 sc->sc_hctl_start = sc->sc_hctl_end = chsqh; 463 464 /* Allocate dummy QH where control traffic will be queued. */ 465 clsqh = uhci_alloc_sqh(sc); 466 if (clsqh == NULL) 467 return (USBD_NOMEM); 468 clsqh->hlink = bsqh; 469 clsqh->qh.qh_hlink = htole32(chsqh->physaddr | UHCI_PTR_QH); 470 clsqh->elink = NULL; 471 clsqh->qh.qh_elink = htole32(UHCI_PTR_T); 472 sc->sc_lctl_start = sc->sc_lctl_end = clsqh; 473 474 /* 475 * Make all (virtual) frame list pointers point to the interrupt 476 * queue heads and the interrupt queue heads at the control 477 * queue head and point the physical frame list to the virtual. 478 */ 479 for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 480 std = uhci_alloc_std(sc); 481 sqh = uhci_alloc_sqh(sc); 482 if (std == NULL || sqh == NULL) 483 return (USBD_NOMEM); 484 std->link.sqh = sqh; 485 std->td.td_link = htole32(sqh->physaddr | UHCI_PTR_QH); 486 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 487 std->td.td_token = htole32(0); 488 std->td.td_buffer = htole32(0); 489 sqh->hlink = clsqh; 490 sqh->qh.qh_hlink = htole32(clsqh->physaddr | UHCI_PTR_QH); 491 sqh->elink = NULL; 492 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 493 sc->sc_vframes[i].htd = std; 494 sc->sc_vframes[i].etd = std; 495 sc->sc_vframes[i].hqh = sqh; 496 sc->sc_vframes[i].eqh = sqh; 497 for (j = i; 498 j < UHCI_FRAMELIST_COUNT; 499 j += UHCI_VFRAMELIST_COUNT) 500 sc->sc_pframes[j] = htole32(std->physaddr); 501 } 502 503 LIST_INIT(&sc->sc_intrhead); 504 505 SIMPLEQ_INIT(&sc->sc_free_xfers); 506 507 usb_callout_init(sc->sc_poll_handle); 508 509 /* Set up the bus struct. */ 510 sc->sc_bus.methods = &uhci_bus_methods; 511 sc->sc_bus.pipe_size = sizeof(struct uhci_pipe); 512 513 #if defined(__NetBSD__) || defined(__OpenBSD__) 514 sc->sc_suspend = PWR_RESUME; 515 sc->sc_powerhook = powerhook_establish(uhci_power, sc); 516 sc->sc_shutdownhook = shutdownhook_establish(uhci_shutdown, sc); 517 #endif 518 519 DPRINTFN(1,("uhci_init: enabling\n")); 520 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 521 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */ 522 523 UHCICMD(sc, UHCI_CMD_MAXP); /* Assume 64 byte packets at frame end */ 524 525 return (uhci_run(sc, 1)); /* and here we go... */ 526 } 527 528 #if defined(__NetBSD__) || defined(__OpenBSD__) 529 int 530 uhci_activate(device_ptr_t self, enum devact act) 531 { 532 struct uhci_softc *sc = (struct uhci_softc *)self; 533 int rv = 0; 534 535 switch (act) { 536 case DVACT_ACTIVATE: 537 return (EOPNOTSUPP); 538 break; 539 540 case DVACT_DEACTIVATE: 541 if (sc->sc_child != NULL) 542 rv = config_deactivate(sc->sc_child); 543 break; 544 } 545 return (rv); 546 } 547 548 int 549 uhci_detach(struct uhci_softc *sc, int flags) 550 { 551 usbd_xfer_handle xfer; 552 int rv = 0; 553 554 if (sc->sc_child != NULL) 555 rv = config_detach(sc->sc_child, flags); 556 557 if (rv != 0) 558 return (rv); 559 560 #if defined(__NetBSD__) || defined(__OpenBSD__) 561 powerhook_disestablish(sc->sc_powerhook); 562 shutdownhook_disestablish(sc->sc_shutdownhook); 563 #endif 564 565 /* Free all xfers associated with this HC. */ 566 for (;;) { 567 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 568 if (xfer == NULL) 569 break; 570 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 571 free(xfer, M_USB); 572 } 573 574 /* XXX free other data structures XXX */ 575 576 return (rv); 577 } 578 #endif 579 580 usbd_status 581 uhci_allocm(struct usbd_bus *bus, usb_dma_t *dma, u_int32_t size) 582 { 583 struct uhci_softc *sc = (struct uhci_softc *)bus; 584 u_int32_t n; 585 586 /* 587 * XXX 588 * Since we are allocating a buffer we can assume that we will 589 * need TDs for it. Since we don't want to allocate those from 590 * an interrupt context, we allocate them here and free them again. 591 * This is no guarantee that we'll get the TDs next time... 592 */ 593 n = size / 8; 594 if (n > 16) { 595 u_int32_t i; 596 uhci_soft_td_t **stds; 597 DPRINTF(("uhci_allocm: get %d TDs\n", n)); 598 stds = malloc(sizeof(uhci_soft_td_t *) * n, M_TEMP, 599 M_WAITOK|M_ZERO); 600 for(i=0; i < n; i++) 601 stds[i] = uhci_alloc_std(sc); 602 for(i=0; i < n; i++) 603 if (stds[i] != NULL) 604 uhci_free_std(sc, stds[i]); 605 free(stds, M_TEMP); 606 } 607 608 return (usb_allocmem(&sc->sc_bus, size, 0, dma)); 609 } 610 611 void 612 uhci_freem(struct usbd_bus *bus, usb_dma_t *dma) 613 { 614 usb_freemem(&((struct uhci_softc *)bus)->sc_bus, dma); 615 } 616 617 usbd_xfer_handle 618 uhci_allocx(struct usbd_bus *bus) 619 { 620 struct uhci_softc *sc = (struct uhci_softc *)bus; 621 usbd_xfer_handle xfer; 622 623 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 624 if (xfer != NULL) { 625 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, xfer, next); 626 #ifdef DIAGNOSTIC 627 if (xfer->busy_free != XFER_FREE) { 628 printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer, 629 xfer->busy_free); 630 } 631 #endif 632 } else { 633 xfer = malloc(sizeof(struct uhci_xfer), M_USB, M_NOWAIT); 634 } 635 if (xfer != NULL) { 636 memset(xfer, 0, sizeof (struct uhci_xfer)); 637 UXFER(xfer)->iinfo.sc = sc; 638 #ifdef DIAGNOSTIC 639 UXFER(xfer)->iinfo.isdone = 1; 640 xfer->busy_free = XFER_BUSY; 641 #endif 642 } 643 return (xfer); 644 } 645 646 void 647 uhci_freex(struct usbd_bus *bus, usbd_xfer_handle xfer) 648 { 649 struct uhci_softc *sc = (struct uhci_softc *)bus; 650 651 #ifdef DIAGNOSTIC 652 if (xfer->busy_free != XFER_BUSY) { 653 printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer, 654 xfer->busy_free); 655 return; 656 } 657 xfer->busy_free = XFER_FREE; 658 if (!UXFER(xfer)->iinfo.isdone) { 659 printf("uhci_freex: !isdone\n"); 660 return; 661 } 662 #endif 663 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); 664 } 665 666 /* 667 * Shut down the controller when the system is going down. 668 */ 669 void 670 uhci_shutdown(void *v) 671 { 672 uhci_softc_t *sc = v; 673 674 DPRINTF(("uhci_shutdown: stopping the HC\n")); 675 uhci_run(sc, 0); /* stop the controller */ 676 } 677 678 /* 679 * Handle suspend/resume. 680 * 681 * We need to switch to polling mode here, because this routine is 682 * called from an interrupt context. This is all right since we 683 * are almost suspended anyway. 684 */ 685 void 686 uhci_power(int why, void *v) 687 { 688 uhci_softc_t *sc = v; 689 int cmd; 690 int s; 691 692 s = splhardusb(); 693 cmd = UREAD2(sc, UHCI_CMD); 694 695 DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", 696 sc, why, sc->sc_suspend, cmd)); 697 698 switch (why) { 699 case PWR_SUSPEND: 700 case PWR_STANDBY: 701 #ifdef UHCI_DEBUG 702 if (uhcidebug > 2) 703 uhci_dumpregs(sc); 704 #endif 705 if (sc->sc_intr_xfer != NULL) 706 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, 707 sc->sc_intr_xfer); 708 sc->sc_bus.use_polling++; 709 uhci_run(sc, 0); /* stop the controller */ 710 711 /* save some state if BIOS doesn't */ 712 sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); 713 sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); 714 715 UWRITE2(sc, UHCI_INTR, 0); /* disable intrs */ 716 717 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 718 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 719 sc->sc_suspend = why; 720 sc->sc_bus.use_polling--; 721 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 722 break; 723 case PWR_RESUME: 724 #ifdef DIAGNOSTIC 725 if (sc->sc_suspend == PWR_RESUME) 726 printf("uhci_power: weird, resume without suspend.\n"); 727 #endif 728 sc->sc_bus.use_polling++; 729 sc->sc_suspend = why; 730 if (cmd & UHCI_CMD_RS) 731 uhci_run(sc, 0); /* in case BIOS has started it */ 732 733 /* restore saved state */ 734 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); 735 UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); 736 UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); 737 738 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 739 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 740 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 741 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 742 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 743 uhci_run(sc, 1); /* and start traffic again */ 744 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 745 sc->sc_bus.use_polling--; 746 if (sc->sc_intr_xfer != NULL) 747 usb_callout(sc->sc_poll_handle, sc->sc_ival, 748 uhci_poll_hub, sc->sc_intr_xfer); 749 #ifdef UHCI_DEBUG 750 if (uhcidebug > 2) 751 uhci_dumpregs(sc); 752 #endif 753 break; 754 case PWR_SOFTSUSPEND: 755 case PWR_SOFTSTANDBY: 756 case PWR_SOFTRESUME: 757 break; 758 } 759 splx(s); 760 } 761 762 #ifdef UHCI_DEBUG 763 Static void 764 uhci_dumpregs(uhci_softc_t *sc) 765 { 766 DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 767 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 768 USBDEVNAME(sc->sc_bus.bdev), 769 UREAD2(sc, UHCI_CMD), 770 UREAD2(sc, UHCI_STS), 771 UREAD2(sc, UHCI_INTR), 772 UREAD2(sc, UHCI_FRNUM), 773 UREAD4(sc, UHCI_FLBASEADDR), 774 UREAD1(sc, UHCI_SOF), 775 UREAD2(sc, UHCI_PORTSC1), 776 UREAD2(sc, UHCI_PORTSC2))); 777 } 778 779 void 780 uhci_dump_td(uhci_soft_td_t *p) 781 { 782 char sbuf[128], sbuf2[128]; 783 784 DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 785 "token=0x%08lx buffer=0x%08lx\n", 786 p, (long)p->physaddr, 787 (long)le32toh(p->td.td_link), 788 (long)le32toh(p->td.td_status), 789 (long)le32toh(p->td.td_token), 790 (long)le32toh(p->td.td_buffer))); 791 792 bitmask_snprintf((u_int32_t)le32toh(p->td.td_link), "\20\1T\2Q\3VF", 793 sbuf, sizeof(sbuf)); 794 bitmask_snprintf((u_int32_t)le32toh(p->td.td_status), 795 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 796 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 797 sbuf2, sizeof(sbuf2)); 798 799 DPRINTFN(-1,(" %s %s,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 800 "D=%d,maxlen=%d\n", sbuf, sbuf2, 801 UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), 802 UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), 803 UHCI_TD_GET_PID(le32toh(p->td.td_token)), 804 UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), 805 UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), 806 UHCI_TD_GET_DT(le32toh(p->td.td_token)), 807 UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); 808 } 809 810 void 811 uhci_dump_qh(uhci_soft_qh_t *sqh) 812 { 813 DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, 814 (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), 815 le32toh(sqh->qh.qh_elink))); 816 } 817 818 819 #if 1 820 void 821 uhci_dump(void) 822 { 823 uhci_dump_all(thesc); 824 } 825 #endif 826 827 void 828 uhci_dump_all(uhci_softc_t *sc) 829 { 830 uhci_dumpregs(sc); 831 printf("intrs=%d\n", sc->sc_bus.no_intrs); 832 /*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/ 833 uhci_dump_qh(sc->sc_lctl_start); 834 } 835 836 837 void 838 uhci_dump_qhs(uhci_soft_qh_t *sqh) 839 { 840 uhci_dump_qh(sqh); 841 842 /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards 843 * Traverses sideways first, then down. 844 * 845 * QH1 846 * QH2 847 * No QH 848 * TD2.1 849 * TD2.2 850 * TD1.1 851 * etc. 852 * 853 * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. 854 */ 855 856 857 if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) 858 uhci_dump_qhs(sqh->hlink); 859 else 860 DPRINTF(("No QH\n")); 861 862 if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) 863 uhci_dump_tds(sqh->elink); 864 else 865 DPRINTF(("No TD\n")); 866 } 867 868 void 869 uhci_dump_tds(uhci_soft_td_t *std) 870 { 871 uhci_soft_td_t *td; 872 873 for(td = std; td != NULL; td = td->link.std) { 874 uhci_dump_td(td); 875 876 /* Check whether the link pointer in this TD marks 877 * the link pointer as end of queue. This avoids 878 * printing the free list in case the queue/TD has 879 * already been moved there (seatbelt). 880 */ 881 if (le32toh(td->td.td_link) & UHCI_PTR_T || 882 le32toh(td->td.td_link) == 0) 883 break; 884 } 885 } 886 887 Static void 888 uhci_dump_ii(uhci_intr_info_t *ii) 889 { 890 usbd_pipe_handle pipe; 891 usb_endpoint_descriptor_t *ed; 892 usbd_device_handle dev; 893 894 #ifdef DIAGNOSTIC 895 #define DONE ii->isdone 896 #else 897 #define DONE 0 898 #endif 899 if (ii == NULL) { 900 printf("ii NULL\n"); 901 return; 902 } 903 if (ii->xfer == NULL) { 904 printf("ii %p: done=%d xfer=NULL\n", 905 ii, DONE); 906 return; 907 } 908 pipe = ii->xfer->pipe; 909 if (pipe == NULL) { 910 printf("ii %p: done=%d xfer=%p pipe=NULL\n", 911 ii, DONE, ii->xfer); 912 return; 913 } 914 if (pipe->endpoint == NULL) { 915 printf("ii %p: done=%d xfer=%p pipe=%p pipe->endpoint=NULL\n", 916 ii, DONE, ii->xfer, pipe); 917 return; 918 } 919 if (pipe->device == NULL) { 920 printf("ii %p: done=%d xfer=%p pipe=%p pipe->device=NULL\n", 921 ii, DONE, ii->xfer, pipe); 922 return; 923 } 924 ed = pipe->endpoint->edesc; 925 dev = pipe->device; 926 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", 927 ii, DONE, ii->xfer, dev, 928 UGETW(dev->ddesc.idVendor), 929 UGETW(dev->ddesc.idProduct), 930 dev->address, pipe, 931 ed->bEndpointAddress, ed->bmAttributes); 932 #undef DONE 933 } 934 935 void uhci_dump_iis(struct uhci_softc *sc); 936 void 937 uhci_dump_iis(struct uhci_softc *sc) 938 { 939 uhci_intr_info_t *ii; 940 941 printf("intr_info list:\n"); 942 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 943 uhci_dump_ii(ii); 944 } 945 946 void iidump(void); 947 void iidump(void) { uhci_dump_iis(thesc); } 948 949 #endif 950 951 /* 952 * This routine is executed periodically and simulates interrupts 953 * from the root controller interrupt pipe for port status change. 954 */ 955 void 956 uhci_poll_hub(void *addr) 957 { 958 usbd_xfer_handle xfer = addr; 959 usbd_pipe_handle pipe = xfer->pipe; 960 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 961 int s; 962 u_char *p; 963 964 DPRINTFN(20, ("uhci_poll_hub\n")); 965 966 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 967 968 p = KERNADDR(&xfer->dmabuf); 969 p[0] = 0; 970 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 971 p[0] |= 1<<1; 972 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 973 p[0] |= 1<<2; 974 if (p[0] == 0) 975 /* No change, try again in a while */ 976 return; 977 978 xfer->actlen = 1; 979 xfer->status = USBD_NORMAL_COMPLETION; 980 s = splusb(); 981 xfer->device->bus->intr_context++; 982 usb_transfer_complete(xfer); 983 xfer->device->bus->intr_context--; 984 splx(s); 985 } 986 987 void 988 uhci_root_intr_done(usbd_xfer_handle xfer) 989 { 990 } 991 992 void 993 uhci_root_ctrl_done(usbd_xfer_handle xfer) 994 { 995 } 996 997 /* 998 * Let the last QH loop back to the high speed control transfer QH. 999 * This is what intel calls "bandwidth reclamation" and improves 1000 * USB performance a lot for some devices. 1001 * If we are already looping, just count it. 1002 */ 1003 void 1004 uhci_add_loop(uhci_softc_t *sc) { 1005 #ifdef UHCI_DEBUG 1006 if (uhcinoloop) 1007 return; 1008 #endif 1009 if (++sc->sc_loops == 1) { 1010 DPRINTFN(5,("uhci_start_loop: add\n")); 1011 /* Note, we don't loop back the soft pointer. */ 1012 sc->sc_last_qh->qh.qh_hlink = 1013 htole32(sc->sc_hctl_start->physaddr | UHCI_PTR_QH); 1014 } 1015 } 1016 1017 void 1018 uhci_rem_loop(uhci_softc_t *sc) { 1019 #ifdef UHCI_DEBUG 1020 if (uhcinoloop) 1021 return; 1022 #endif 1023 if (--sc->sc_loops == 0) { 1024 DPRINTFN(5,("uhci_end_loop: remove\n")); 1025 sc->sc_last_qh->qh.qh_hlink = htole32(UHCI_PTR_T); 1026 } 1027 } 1028 1029 /* Add high speed control QH, called at splusb(). */ 1030 void 1031 uhci_add_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1032 { 1033 uhci_soft_qh_t *eqh; 1034 1035 SPLUSBCHECK; 1036 1037 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 1038 eqh = sc->sc_hctl_end; 1039 sqh->hlink = eqh->hlink; 1040 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1041 eqh->hlink = sqh; 1042 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 1043 sc->sc_hctl_end = sqh; 1044 #ifdef UHCI_CTL_LOOP 1045 uhci_add_loop(sc); 1046 #endif 1047 } 1048 1049 /* Remove high speed control QH, called at splusb(). */ 1050 void 1051 uhci_remove_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1052 { 1053 uhci_soft_qh_t *pqh; 1054 1055 SPLUSBCHECK; 1056 1057 DPRINTFN(10, ("uhci_remove_hs_ctrl: sqh=%p\n", sqh)); 1058 #ifdef UHCI_CTL_LOOP 1059 uhci_rem_loop(sc); 1060 #endif 1061 /* 1062 * The T bit should be set in the elink of the QH so that the HC 1063 * doesn't follow the pointer. This condition may fail if the 1064 * the transferred packet was short so that the QH still points 1065 * at the last used TD. 1066 * In this case we set the T bit and wait a little for the HC 1067 * to stop looking at the TD. 1068 */ 1069 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1070 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1071 delay(UHCI_QH_REMOVE_DELAY); 1072 } 1073 1074 pqh = uhci_find_prev_qh(sc->sc_hctl_start, sqh); 1075 pqh->hlink = sqh->hlink; 1076 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1077 delay(UHCI_QH_REMOVE_DELAY); 1078 if (sc->sc_hctl_end == sqh) 1079 sc->sc_hctl_end = pqh; 1080 } 1081 1082 /* Add low speed control QH, called at splusb(). */ 1083 void 1084 uhci_add_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1085 { 1086 uhci_soft_qh_t *eqh; 1087 1088 SPLUSBCHECK; 1089 1090 DPRINTFN(10, ("uhci_add_ls_ctrl: sqh=%p\n", sqh)); 1091 eqh = sc->sc_lctl_end; 1092 sqh->hlink = eqh->hlink; 1093 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1094 eqh->hlink = sqh; 1095 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 1096 sc->sc_lctl_end = sqh; 1097 } 1098 1099 /* Remove low speed control QH, called at splusb(). */ 1100 void 1101 uhci_remove_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1102 { 1103 uhci_soft_qh_t *pqh; 1104 1105 SPLUSBCHECK; 1106 1107 DPRINTFN(10, ("uhci_remove_ls_ctrl: sqh=%p\n", sqh)); 1108 /* See comment in uhci_remove_hs_ctrl() */ 1109 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1110 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1111 delay(UHCI_QH_REMOVE_DELAY); 1112 } 1113 pqh = uhci_find_prev_qh(sc->sc_lctl_start, sqh); 1114 pqh->hlink = sqh->hlink; 1115 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1116 delay(UHCI_QH_REMOVE_DELAY); 1117 if (sc->sc_lctl_end == sqh) 1118 sc->sc_lctl_end = pqh; 1119 } 1120 1121 /* Add bulk QH, called at splusb(). */ 1122 void 1123 uhci_add_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1124 { 1125 uhci_soft_qh_t *eqh; 1126 1127 SPLUSBCHECK; 1128 1129 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 1130 eqh = sc->sc_bulk_end; 1131 sqh->hlink = eqh->hlink; 1132 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 1133 eqh->hlink = sqh; 1134 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 1135 sc->sc_bulk_end = sqh; 1136 uhci_add_loop(sc); 1137 } 1138 1139 /* Remove bulk QH, called at splusb(). */ 1140 void 1141 uhci_remove_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1142 { 1143 uhci_soft_qh_t *pqh; 1144 1145 SPLUSBCHECK; 1146 1147 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 1148 uhci_rem_loop(sc); 1149 /* See comment in uhci_remove_hs_ctrl() */ 1150 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 1151 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 1152 delay(UHCI_QH_REMOVE_DELAY); 1153 } 1154 pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); 1155 pqh->hlink = sqh->hlink; 1156 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 1157 delay(UHCI_QH_REMOVE_DELAY); 1158 if (sc->sc_bulk_end == sqh) 1159 sc->sc_bulk_end = pqh; 1160 } 1161 1162 Static int uhci_intr1(uhci_softc_t *); 1163 1164 int 1165 uhci_intr(void *arg) 1166 { 1167 uhci_softc_t *sc = arg; 1168 1169 if (sc->sc_dying) 1170 return (0); 1171 1172 DPRINTFN(15,("uhci_intr: real interrupt\n")); 1173 if (sc->sc_bus.use_polling) { 1174 #ifdef DIAGNOSTIC 1175 printf("uhci_intr: ignored interrupt while polling\n"); 1176 #endif 1177 return (0); 1178 } 1179 return (uhci_intr1(sc)); 1180 } 1181 1182 int 1183 uhci_intr1(uhci_softc_t *sc) 1184 { 1185 int status; 1186 int ack; 1187 1188 #ifdef UHCI_DEBUG 1189 if (uhcidebug > 15) { 1190 DPRINTF(("%s: uhci_intr1\n", USBDEVNAME(sc->sc_bus.bdev))); 1191 uhci_dumpregs(sc); 1192 } 1193 #endif 1194 1195 status = UREAD2(sc, UHCI_STS); 1196 if (status == 0) /* The interrupt was not for us. */ 1197 return (0); 1198 1199 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 1200 if (sc->sc_suspend != PWR_RESUME) 1201 printf("uhci_intr: suspended sts=0x%x\n", status); 1202 #endif 1203 1204 if (sc->sc_suspend != PWR_RESUME) { 1205 printf("%s: interrupt while not operating ignored\n", 1206 USBDEVNAME(sc->sc_bus.bdev)); 1207 UWRITE2(sc, UHCI_STS, status); /* acknowledge the ints */ 1208 return (0); 1209 } 1210 1211 ack = 0; 1212 if (status & UHCI_STS_USBINT) 1213 ack |= UHCI_STS_USBINT; 1214 if (status & UHCI_STS_USBEI) 1215 ack |= UHCI_STS_USBEI; 1216 if (status & UHCI_STS_RD) { 1217 ack |= UHCI_STS_RD; 1218 #ifdef UHCI_DEBUG 1219 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 1220 #endif 1221 } 1222 if (status & UHCI_STS_HSE) { 1223 ack |= UHCI_STS_HSE; 1224 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 1225 } 1226 if (status & UHCI_STS_HCPE) { 1227 ack |= UHCI_STS_HCPE; 1228 printf("%s: host controller process error\n", 1229 USBDEVNAME(sc->sc_bus.bdev)); 1230 } 1231 if (status & UHCI_STS_HCH) { 1232 /* no acknowledge needed */ 1233 if (!sc->sc_dying) { 1234 printf("%s: host controller halted\n", 1235 USBDEVNAME(sc->sc_bus.bdev)); 1236 #ifdef UHCI_DEBUG 1237 uhci_dump_all(sc); 1238 #endif 1239 } 1240 sc->sc_dying = 1; 1241 } 1242 1243 if (!ack) 1244 return (0); /* nothing to acknowledge */ 1245 UWRITE2(sc, UHCI_STS, ack); /* acknowledge the ints */ 1246 1247 sc->sc_bus.no_intrs++; 1248 usb_schedsoftintr(&sc->sc_bus); 1249 1250 DPRINTFN(10, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); 1251 1252 return (1); 1253 } 1254 1255 void 1256 uhci_softintr(void *v) 1257 { 1258 uhci_softc_t *sc = v; 1259 uhci_intr_info_t *ii; 1260 1261 DPRINTFN(10,("%s: uhci_softintr (%d)\n", USBDEVNAME(sc->sc_bus.bdev), 1262 sc->sc_bus.intr_context)); 1263 1264 sc->sc_bus.intr_context++; 1265 1266 /* 1267 * Interrupts on UHCI really suck. When the host controller 1268 * interrupts because a transfer is completed there is no 1269 * way of knowing which transfer it was. You can scan down 1270 * the TDs and QHs of the previous frame to limit the search, 1271 * but that assumes that the interrupt was not delayed by more 1272 * than 1 ms, which may not always be true (e.g. after debug 1273 * output on a slow console). 1274 * We scan all interrupt descriptors to see if any have 1275 * completed. 1276 */ 1277 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 1278 uhci_check_intr(sc, ii); 1279 1280 sc->sc_bus.intr_context--; 1281 } 1282 1283 /* Check for an interrupt. */ 1284 void 1285 uhci_check_intr(uhci_softc_t *sc, uhci_intr_info_t *ii) 1286 { 1287 uhci_soft_td_t *std, *lstd; 1288 u_int32_t status; 1289 1290 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 1291 #ifdef DIAGNOSTIC 1292 if (ii == NULL) { 1293 printf("uhci_check_intr: no ii? %p\n", ii); 1294 return; 1295 } 1296 #endif 1297 if (ii->stdstart == NULL) 1298 return; 1299 lstd = ii->stdend; 1300 #ifdef DIAGNOSTIC 1301 if (lstd == NULL) { 1302 printf("uhci_check_intr: std==0\n"); 1303 return; 1304 } 1305 #endif 1306 /* 1307 * If the last TD is still active we need to check whether there 1308 * is a an error somewhere in the middle, or whether there was a 1309 * short packet (SPD and not ACTIVE). 1310 */ 1311 if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { 1312 DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); 1313 for (std = ii->stdstart; std != lstd; std = std->link.std) { 1314 status = le32toh(std->td.td_status); 1315 /* If there's an active TD the xfer isn't done. */ 1316 if (status & UHCI_TD_ACTIVE) 1317 break; 1318 /* Any kind of error makes the xfer done. */ 1319 if (status & UHCI_TD_STALLED) 1320 goto done; 1321 /* We want short packets, and it is short: it's done */ 1322 if ((status & UHCI_TD_SPD) && 1323 UHCI_TD_GET_ACTLEN(status) < 1324 UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) 1325 goto done; 1326 } 1327 DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", 1328 ii, ii->stdstart)); 1329 return; 1330 } 1331 done: 1332 DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); 1333 usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); 1334 uhci_idone(ii); 1335 } 1336 1337 /* Called at splusb() */ 1338 void 1339 uhci_idone(uhci_intr_info_t *ii) 1340 { 1341 usbd_xfer_handle xfer = ii->xfer; 1342 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1343 uhci_soft_td_t *std; 1344 u_int32_t status = 0, nstatus; 1345 int actlen; 1346 1347 DPRINTFN(12, ("uhci_idone: ii=%p\n", ii)); 1348 #ifdef DIAGNOSTIC 1349 { 1350 int s = splhigh(); 1351 if (ii->isdone) { 1352 splx(s); 1353 #ifdef UHCI_DEBUG 1354 printf("uhci_idone: ii is done!\n "); 1355 uhci_dump_ii(ii); 1356 #else 1357 printf("uhci_idone: ii=%p is done!\n", ii); 1358 #endif 1359 return; 1360 } 1361 ii->isdone = 1; 1362 splx(s); 1363 } 1364 #endif 1365 1366 if (xfer->status == USBD_CANCELLED || 1367 xfer->status == USBD_TIMEOUT) { 1368 DPRINTF(("uhci_idone: aborted xfer=%p\n", xfer)); 1369 return; 1370 } 1371 1372 if (xfer->nframes != 0) { 1373 /* Isoc transfer, do things differently. */ 1374 uhci_soft_td_t **stds = upipe->u.iso.stds; 1375 int i, n, nframes, len; 1376 1377 DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); 1378 1379 nframes = xfer->nframes; 1380 actlen = 0; 1381 n = UXFER(xfer)->curframe; 1382 for (i = 0; i < nframes; i++) { 1383 std = stds[n]; 1384 #ifdef UHCI_DEBUG 1385 if (uhcidebug > 5) { 1386 DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); 1387 uhci_dump_td(std); 1388 } 1389 #endif 1390 if (++n >= UHCI_VFRAMELIST_COUNT) 1391 n = 0; 1392 status = le32toh(std->td.td_status); 1393 len = UHCI_TD_GET_ACTLEN(status); 1394 xfer->frlengths[i] = len; 1395 actlen += len; 1396 } 1397 upipe->u.iso.inuse -= nframes; 1398 xfer->actlen = actlen; 1399 xfer->status = USBD_NORMAL_COMPLETION; 1400 goto end; 1401 } 1402 1403 #ifdef UHCI_DEBUG 1404 DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", 1405 ii, xfer, upipe)); 1406 if (uhcidebug > 10) 1407 uhci_dump_tds(ii->stdstart); 1408 #endif 1409 1410 /* The transfer is done, compute actual length and status. */ 1411 actlen = 0; 1412 for (std = ii->stdstart; std != NULL; std = std->link.std) { 1413 nstatus = le32toh(std->td.td_status); 1414 if (nstatus & UHCI_TD_ACTIVE) 1415 break; 1416 1417 status = nstatus; 1418 if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != 1419 UHCI_TD_PID_SETUP) 1420 actlen += UHCI_TD_GET_ACTLEN(status); 1421 } 1422 /* If there are left over TDs we need to update the toggle. */ 1423 if (std != NULL) 1424 upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); 1425 1426 status &= UHCI_TD_ERROR; 1427 DPRINTFN(10, ("uhci_idone: actlen=%d, status=0x%x\n", 1428 actlen, status)); 1429 xfer->actlen = actlen; 1430 if (status != 0) { 1431 #ifdef UHCI_DEBUG 1432 char sbuf[128]; 1433 1434 bitmask_snprintf((u_int32_t)status, 1435 "\20\22BITSTUFF\23CRCTO\24NAK\25" 1436 "BABBLE\26DBUFFER\27STALLED\30ACTIVE", 1437 sbuf, sizeof(sbuf)); 1438 1439 DPRINTFN((status == UHCI_TD_STALLED)*10, 1440 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1441 "status 0x%s\n", 1442 xfer->pipe->device->address, 1443 xfer->pipe->endpoint->edesc->bEndpointAddress, 1444 sbuf)); 1445 #endif 1446 1447 if (status == UHCI_TD_STALLED) 1448 xfer->status = USBD_STALLED; 1449 else 1450 xfer->status = USBD_IOERROR; /* more info XXX */ 1451 } else { 1452 xfer->status = USBD_NORMAL_COMPLETION; 1453 } 1454 1455 end: 1456 usb_transfer_complete(xfer); 1457 DPRINTFN(12, ("uhci_idone: ii=%p done\n", ii)); 1458 } 1459 1460 /* 1461 * Called when a request does not complete. 1462 */ 1463 void 1464 uhci_timeout(void *addr) 1465 { 1466 uhci_intr_info_t *ii = addr; 1467 1468 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1469 1470 #ifdef UHCI_DEBUG 1471 if (uhcidebug > 10) 1472 uhci_dump_tds(ii->stdstart); 1473 #endif 1474 1475 ii->xfer->device->bus->intr_context++; 1476 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1477 ii->xfer->device->bus->intr_context--; 1478 } 1479 1480 /* 1481 * Wait here until controller claims to have an interrupt. 1482 * Then call uhci_intr and return. Use timeout to avoid waiting 1483 * too long. 1484 * Only used during boot when interrupts are not enabled yet. 1485 */ 1486 void 1487 uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer) 1488 { 1489 int timo = xfer->timeout; 1490 uhci_intr_info_t *ii; 1491 1492 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1493 1494 xfer->status = USBD_IN_PROGRESS; 1495 for (; timo >= 0; timo--) { 1496 usb_delay_ms(&sc->sc_bus, 1); 1497 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1498 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1499 uhci_intr1(sc); 1500 if (xfer->status != USBD_IN_PROGRESS) 1501 return; 1502 } 1503 } 1504 1505 /* Timeout */ 1506 DPRINTF(("uhci_waitintr: timeout\n")); 1507 for (ii = LIST_FIRST(&sc->sc_intrhead); 1508 ii != NULL && ii->xfer != xfer; 1509 ii = LIST_NEXT(ii, list)) 1510 ; 1511 #ifdef DIAGNOSTIC 1512 if (ii == NULL) 1513 panic("uhci_waitintr: lost intr_info\n"); 1514 #endif 1515 uhci_idone(ii); 1516 } 1517 1518 void 1519 uhci_poll(struct usbd_bus *bus) 1520 { 1521 uhci_softc_t *sc = (uhci_softc_t *)bus; 1522 1523 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1524 uhci_intr1(sc); 1525 } 1526 1527 void 1528 uhci_reset(uhci_softc_t *sc) 1529 { 1530 int n; 1531 1532 UHCICMD(sc, UHCI_CMD_HCRESET); 1533 /* The reset bit goes low when the controller is done. */ 1534 for (n = 0; n < UHCI_RESET_TIMEOUT && 1535 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1536 usb_delay_ms(&sc->sc_bus, 1); 1537 if (n >= UHCI_RESET_TIMEOUT) 1538 printf("%s: controller did not reset\n", 1539 USBDEVNAME(sc->sc_bus.bdev)); 1540 } 1541 1542 usbd_status 1543 uhci_run(uhci_softc_t *sc, int run) 1544 { 1545 int s, n, running; 1546 u_int16_t cmd; 1547 1548 run = run != 0; 1549 s = splhardusb(); 1550 DPRINTF(("uhci_run: setting run=%d\n", run)); 1551 cmd = UREAD2(sc, UHCI_CMD); 1552 if (run) 1553 cmd |= UHCI_CMD_RS; 1554 else 1555 cmd &= ~UHCI_CMD_RS; 1556 UHCICMD(sc, cmd); 1557 for(n = 0; n < 10; n++) { 1558 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1559 /* return when we've entered the state we want */ 1560 if (run == running) { 1561 splx(s); 1562 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1563 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1564 return (USBD_NORMAL_COMPLETION); 1565 } 1566 usb_delay_ms(&sc->sc_bus, 1); 1567 } 1568 splx(s); 1569 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1570 run ? "start" : "stop"); 1571 return (USBD_IOERROR); 1572 } 1573 1574 /* 1575 * Memory management routines. 1576 * uhci_alloc_std allocates TDs 1577 * uhci_alloc_sqh allocates QHs 1578 * These two routines do their own free list management, 1579 * partly for speed, partly because allocating DMAable memory 1580 * has page size granularaity so much memory would be wasted if 1581 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1582 */ 1583 1584 uhci_soft_td_t * 1585 uhci_alloc_std(uhci_softc_t *sc) 1586 { 1587 uhci_soft_td_t *std; 1588 usbd_status err; 1589 int i, offs; 1590 usb_dma_t dma; 1591 1592 if (sc->sc_freetds == NULL) { 1593 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1594 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1595 UHCI_TD_ALIGN, &dma); 1596 if (err) 1597 return (0); 1598 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1599 offs = i * UHCI_STD_SIZE; 1600 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1601 std->physaddr = DMAADDR(&dma) + offs; 1602 std->link.std = sc->sc_freetds; 1603 sc->sc_freetds = std; 1604 } 1605 } 1606 std = sc->sc_freetds; 1607 sc->sc_freetds = std->link.std; 1608 memset(&std->td, 0, sizeof(uhci_td_t)); 1609 return std; 1610 } 1611 1612 void 1613 uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std) 1614 { 1615 #ifdef DIAGNOSTIC 1616 #define TD_IS_FREE 0x12345678 1617 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1618 printf("uhci_free_std: freeing free TD %p\n", std); 1619 return; 1620 } 1621 std->td.td_token = htole32(TD_IS_FREE); 1622 #endif 1623 std->link.std = sc->sc_freetds; 1624 sc->sc_freetds = std; 1625 } 1626 1627 uhci_soft_qh_t * 1628 uhci_alloc_sqh(uhci_softc_t *sc) 1629 { 1630 uhci_soft_qh_t *sqh; 1631 usbd_status err; 1632 int i, offs; 1633 usb_dma_t dma; 1634 1635 if (sc->sc_freeqhs == NULL) { 1636 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1637 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1638 UHCI_QH_ALIGN, &dma); 1639 if (err) 1640 return (0); 1641 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1642 offs = i * UHCI_SQH_SIZE; 1643 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1644 sqh->physaddr = DMAADDR(&dma) + offs; 1645 sqh->hlink = sc->sc_freeqhs; 1646 sc->sc_freeqhs = sqh; 1647 } 1648 } 1649 sqh = sc->sc_freeqhs; 1650 sc->sc_freeqhs = sqh->hlink; 1651 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1652 return (sqh); 1653 } 1654 1655 void 1656 uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1657 { 1658 sqh->hlink = sc->sc_freeqhs; 1659 sc->sc_freeqhs = sqh; 1660 } 1661 1662 void 1663 uhci_free_std_chain(uhci_softc_t *sc, uhci_soft_td_t *std, 1664 uhci_soft_td_t *stdend) 1665 { 1666 uhci_soft_td_t *p; 1667 1668 for (; std != stdend; std = p) { 1669 p = std->link.std; 1670 uhci_free_std(sc, std); 1671 } 1672 } 1673 1674 usbd_status 1675 uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len, 1676 int rd, u_int16_t flags, usb_dma_t *dma, 1677 uhci_soft_td_t **sp, uhci_soft_td_t **ep) 1678 { 1679 uhci_soft_td_t *p, *lastp; 1680 uhci_physaddr_t lastlink; 1681 int i, ntd, l, tog, maxp; 1682 u_int32_t status; 1683 int addr = upipe->pipe.device->address; 1684 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1685 1686 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d speed=%d " 1687 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1688 upipe->pipe.device->speed, flags)); 1689 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1690 if (maxp == 0) { 1691 printf("uhci_alloc_std_chain: maxp=0\n"); 1692 return (USBD_INVAL); 1693 } 1694 ntd = (len + maxp - 1) / maxp; 1695 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1696 ntd++; 1697 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1698 if (ntd == 0) { 1699 *sp = *ep = 0; 1700 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1701 return (USBD_NORMAL_COMPLETION); 1702 } 1703 tog = upipe->nexttoggle; 1704 if (ntd % 2 == 0) 1705 tog ^= 1; 1706 upipe->nexttoggle = tog ^ 1; 1707 lastp = NULL; 1708 lastlink = UHCI_PTR_T; 1709 ntd--; 1710 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1711 if (upipe->pipe.device->speed == USB_SPEED_LOW) 1712 status |= UHCI_TD_LS; 1713 if (flags & USBD_SHORT_XFER_OK) 1714 status |= UHCI_TD_SPD; 1715 for (i = ntd; i >= 0; i--) { 1716 p = uhci_alloc_std(sc); 1717 if (p == NULL) { 1718 uhci_free_std_chain(sc, lastp, NULL); 1719 return (USBD_NOMEM); 1720 } 1721 p->link.std = lastp; 1722 p->td.td_link = htole32(lastlink | UHCI_PTR_VF | UHCI_PTR_TD); 1723 lastp = p; 1724 lastlink = p->physaddr; 1725 p->td.td_status = htole32(status); 1726 if (i == ntd) { 1727 /* last TD */ 1728 l = len % maxp; 1729 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1730 l = maxp; 1731 *ep = p; 1732 } else 1733 l = maxp; 1734 p->td.td_token = 1735 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1736 UHCI_TD_OUT(l, endpt, addr, tog)); 1737 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1738 tog ^= 1; 1739 } 1740 *sp = lastp; 1741 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1742 upipe->nexttoggle)); 1743 return (USBD_NORMAL_COMPLETION); 1744 } 1745 1746 void 1747 uhci_device_clear_toggle(usbd_pipe_handle pipe) 1748 { 1749 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1750 upipe->nexttoggle = 0; 1751 } 1752 1753 void 1754 uhci_noop(usbd_pipe_handle pipe) 1755 { 1756 } 1757 1758 usbd_status 1759 uhci_device_bulk_transfer(usbd_xfer_handle xfer) 1760 { 1761 usbd_status err; 1762 1763 /* Insert last in queue. */ 1764 err = usb_insert_transfer(xfer); 1765 if (err) 1766 return (err); 1767 1768 /* 1769 * Pipe isn't running (otherwise err would be USBD_INPROG), 1770 * so start it first. 1771 */ 1772 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1773 } 1774 1775 usbd_status 1776 uhci_device_bulk_start(usbd_xfer_handle xfer) 1777 { 1778 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1779 usbd_device_handle dev = upipe->pipe.device; 1780 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1781 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1782 uhci_soft_td_t *data, *dataend; 1783 uhci_soft_qh_t *sqh; 1784 usbd_status err; 1785 int len, isread, endpt; 1786 int s; 1787 1788 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1789 xfer, xfer->length, xfer->flags)); 1790 1791 if (sc->sc_dying) 1792 return (USBD_IOERROR); 1793 1794 #ifdef DIAGNOSTIC 1795 if (xfer->rqflags & URQ_REQUEST) 1796 panic("uhci_device_bulk_transfer: a request\n"); 1797 #endif 1798 1799 len = xfer->length; 1800 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1801 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1802 sqh = upipe->u.bulk.sqh; 1803 1804 upipe->u.bulk.isread = isread; 1805 upipe->u.bulk.length = len; 1806 1807 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1808 &xfer->dmabuf, &data, &dataend); 1809 if (err) 1810 return (err); 1811 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1812 1813 #ifdef UHCI_DEBUG 1814 if (uhcidebug > 8) { 1815 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1816 uhci_dump_tds(data); 1817 } 1818 #endif 1819 1820 /* Set up interrupt info. */ 1821 ii->xfer = xfer; 1822 ii->stdstart = data; 1823 ii->stdend = dataend; 1824 #ifdef DIAGNOSTIC 1825 if (!ii->isdone) { 1826 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1827 } 1828 ii->isdone = 0; 1829 #endif 1830 1831 sqh->elink = data; 1832 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 1833 1834 s = splusb(); 1835 uhci_add_bulk(sc, sqh); 1836 uhci_add_intr_info(sc, ii); 1837 1838 if (xfer->timeout && !sc->sc_bus.use_polling) { 1839 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1840 uhci_timeout, ii); 1841 } 1842 xfer->status = USBD_IN_PROGRESS; 1843 splx(s); 1844 1845 #ifdef UHCI_DEBUG 1846 if (uhcidebug > 10) { 1847 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1848 uhci_dump_tds(data); 1849 } 1850 #endif 1851 1852 if (sc->sc_bus.use_polling) 1853 uhci_waitintr(sc, xfer); 1854 1855 return (USBD_IN_PROGRESS); 1856 } 1857 1858 /* Abort a device bulk request. */ 1859 void 1860 uhci_device_bulk_abort(usbd_xfer_handle xfer) 1861 { 1862 DPRINTF(("uhci_device_bulk_abort:\n")); 1863 uhci_abort_xfer(xfer, USBD_CANCELLED); 1864 } 1865 1866 /* 1867 * XXX This way of aborting is neither safe, nor good. 1868 * But it will have to do until I figure out what to do. 1869 * I apologize for the delay(). 1870 */ 1871 void 1872 uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status) 1873 { 1874 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1875 uhci_soft_td_t *std; 1876 int s; 1877 1878 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1879 1880 s = splusb(); 1881 1882 /* Transfer is already done. */ 1883 if (xfer->status != USBD_NOT_STARTED && 1884 xfer->status != USBD_IN_PROGRESS) { 1885 splx(s); 1886 return; 1887 } 1888 1889 /* Make interrupt routine ignore it, */ 1890 xfer->status = status; 1891 1892 /* don't timeout, */ 1893 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1894 1895 /* make hardware ignore it, */ 1896 for (std = ii->stdstart; std != NULL; std = std->link.std) 1897 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1898 1899 xfer->hcpriv = ii; 1900 1901 splx(s); 1902 1903 delay(1000); 1904 1905 s = splusb(); 1906 #ifdef DIAGNOSTIC 1907 ii->isdone = 1; 1908 #endif 1909 usb_transfer_complete(xfer); 1910 splx(s); 1911 } 1912 1913 /* Close a device bulk pipe. */ 1914 void 1915 uhci_device_bulk_close(usbd_pipe_handle pipe) 1916 { 1917 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1918 usbd_device_handle dev = upipe->pipe.device; 1919 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1920 1921 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1922 } 1923 1924 usbd_status 1925 uhci_device_ctrl_transfer(usbd_xfer_handle xfer) 1926 { 1927 usbd_status err; 1928 1929 /* Insert last in queue. */ 1930 err = usb_insert_transfer(xfer); 1931 if (err) 1932 return (err); 1933 1934 /* 1935 * Pipe isn't running (otherwise err would be USBD_INPROG), 1936 * so start it first. 1937 */ 1938 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1939 } 1940 1941 usbd_status 1942 uhci_device_ctrl_start(usbd_xfer_handle xfer) 1943 { 1944 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1945 usbd_status err; 1946 1947 if (sc->sc_dying) 1948 return (USBD_IOERROR); 1949 1950 #ifdef DIAGNOSTIC 1951 if (!(xfer->rqflags & URQ_REQUEST)) 1952 panic("uhci_device_ctrl_transfer: not a request\n"); 1953 #endif 1954 1955 err = uhci_device_request(xfer); 1956 if (err) 1957 return (err); 1958 1959 if (sc->sc_bus.use_polling) 1960 uhci_waitintr(sc, xfer); 1961 return (USBD_IN_PROGRESS); 1962 } 1963 1964 usbd_status 1965 uhci_device_intr_transfer(usbd_xfer_handle xfer) 1966 { 1967 usbd_status err; 1968 1969 /* Insert last in queue. */ 1970 err = usb_insert_transfer(xfer); 1971 if (err) 1972 return (err); 1973 1974 /* 1975 * Pipe isn't running (otherwise err would be USBD_INPROG), 1976 * so start it first. 1977 */ 1978 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1979 } 1980 1981 usbd_status 1982 uhci_device_intr_start(usbd_xfer_handle xfer) 1983 { 1984 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1985 usbd_device_handle dev = upipe->pipe.device; 1986 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1987 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1988 uhci_soft_td_t *data, *dataend; 1989 uhci_soft_qh_t *sqh; 1990 usbd_status err; 1991 int i, s; 1992 1993 if (sc->sc_dying) 1994 return (USBD_IOERROR); 1995 1996 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1997 xfer, xfer->length, xfer->flags)); 1998 1999 #ifdef DIAGNOSTIC 2000 if (xfer->rqflags & URQ_REQUEST) 2001 panic("uhci_device_intr_transfer: a request\n"); 2002 #endif 2003 2004 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2005 &xfer->dmabuf, &data, &dataend); 2006 if (err) 2007 return (err); 2008 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2009 2010 #ifdef UHCI_DEBUG 2011 if (uhcidebug > 10) { 2012 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 2013 uhci_dump_tds(data); 2014 uhci_dump_qh(upipe->u.intr.qhs[0]); 2015 } 2016 #endif 2017 2018 s = splusb(); 2019 /* Set up interrupt info. */ 2020 ii->xfer = xfer; 2021 ii->stdstart = data; 2022 ii->stdend = dataend; 2023 #ifdef DIAGNOSTIC 2024 if (!ii->isdone) { 2025 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 2026 } 2027 ii->isdone = 0; 2028 #endif 2029 2030 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 2031 upipe->u.intr.qhs[0])); 2032 for (i = 0; i < upipe->u.intr.npoll; i++) { 2033 sqh = upipe->u.intr.qhs[i]; 2034 sqh->elink = data; 2035 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 2036 } 2037 uhci_add_intr_info(sc, ii); 2038 xfer->status = USBD_IN_PROGRESS; 2039 splx(s); 2040 2041 #ifdef UHCI_DEBUG 2042 if (uhcidebug > 10) { 2043 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 2044 uhci_dump_tds(data); 2045 uhci_dump_qh(upipe->u.intr.qhs[0]); 2046 } 2047 #endif 2048 2049 return (USBD_IN_PROGRESS); 2050 } 2051 2052 /* Abort a device control request. */ 2053 void 2054 uhci_device_ctrl_abort(usbd_xfer_handle xfer) 2055 { 2056 DPRINTF(("uhci_device_ctrl_abort:\n")); 2057 uhci_abort_xfer(xfer, USBD_CANCELLED); 2058 } 2059 2060 /* Close a device control pipe. */ 2061 void 2062 uhci_device_ctrl_close(usbd_pipe_handle pipe) 2063 { 2064 } 2065 2066 /* Abort a device interrupt request. */ 2067 void 2068 uhci_device_intr_abort(usbd_xfer_handle xfer) 2069 { 2070 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 2071 if (xfer->pipe->intrxfer == xfer) { 2072 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 2073 xfer->pipe->intrxfer = 0; 2074 } 2075 uhci_abort_xfer(xfer, USBD_CANCELLED); 2076 } 2077 2078 /* Close a device interrupt pipe. */ 2079 void 2080 uhci_device_intr_close(usbd_pipe_handle pipe) 2081 { 2082 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2083 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2084 int i, npoll; 2085 int s; 2086 2087 /* Unlink descriptors from controller data structures. */ 2088 npoll = upipe->u.intr.npoll; 2089 s = splusb(); 2090 for (i = 0; i < npoll; i++) 2091 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 2092 splx(s); 2093 2094 /* 2095 * We now have to wait for any activity on the physical 2096 * descriptors to stop. 2097 */ 2098 usb_delay_ms(&sc->sc_bus, 2); 2099 2100 for(i = 0; i < npoll; i++) 2101 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 2102 free(upipe->u.intr.qhs, M_USBHC); 2103 2104 /* XXX free other resources */ 2105 } 2106 2107 usbd_status 2108 uhci_device_request(usbd_xfer_handle xfer) 2109 { 2110 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2111 usb_device_request_t *req = &xfer->request; 2112 usbd_device_handle dev = upipe->pipe.device; 2113 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2114 int addr = dev->address; 2115 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2116 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2117 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 2118 uhci_soft_qh_t *sqh; 2119 int len; 2120 u_int32_t ls; 2121 usbd_status err; 2122 int isread; 2123 int s; 2124 2125 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 2126 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 2127 req->bmRequestType, req->bRequest, UGETW(req->wValue), 2128 UGETW(req->wIndex), UGETW(req->wLength), 2129 addr, endpt)); 2130 2131 ls = dev->speed == USB_SPEED_LOW ? UHCI_TD_LS : 0; 2132 isread = req->bmRequestType & UT_READ; 2133 len = UGETW(req->wLength); 2134 2135 setup = upipe->u.ctl.setup; 2136 stat = upipe->u.ctl.stat; 2137 sqh = upipe->u.ctl.sqh; 2138 2139 /* Set up data transaction */ 2140 if (len != 0) { 2141 upipe->nexttoggle = 1; 2142 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 2143 &xfer->dmabuf, &data, &dataend); 2144 if (err) 2145 return (err); 2146 next = data; 2147 dataend->link.std = stat; 2148 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2149 } else { 2150 next = stat; 2151 } 2152 upipe->u.ctl.length = len; 2153 2154 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2155 2156 setup->link.std = next; 2157 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2158 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2159 UHCI_TD_ACTIVE); 2160 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2161 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2162 2163 stat->link.std = NULL; 2164 stat->td.td_link = htole32(UHCI_PTR_T); 2165 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2166 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2167 stat->td.td_token = 2168 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2169 UHCI_TD_IN (0, endpt, addr, 1)); 2170 stat->td.td_buffer = htole32(0); 2171 2172 #ifdef UHCI_DEBUG 2173 if (uhcidebug > 10) { 2174 DPRINTF(("uhci_device_request: before transfer\n")); 2175 uhci_dump_tds(setup); 2176 } 2177 #endif 2178 2179 /* Set up interrupt info. */ 2180 ii->xfer = xfer; 2181 ii->stdstart = setup; 2182 ii->stdend = stat; 2183 #ifdef DIAGNOSTIC 2184 if (!ii->isdone) { 2185 printf("uhci_device_request: not done, ii=%p\n", ii); 2186 } 2187 ii->isdone = 0; 2188 #endif 2189 2190 sqh->elink = setup; 2191 sqh->qh.qh_elink = htole32(setup->physaddr | UHCI_PTR_TD); 2192 2193 s = splusb(); 2194 if (dev->speed == USB_SPEED_LOW) 2195 uhci_add_ls_ctrl(sc, sqh); 2196 else 2197 uhci_add_hs_ctrl(sc, sqh); 2198 uhci_add_intr_info(sc, ii); 2199 #ifdef UHCI_DEBUG 2200 if (uhcidebug > 12) { 2201 uhci_soft_td_t *std; 2202 uhci_soft_qh_t *xqh; 2203 uhci_soft_qh_t *sxqh; 2204 int maxqh = 0; 2205 uhci_physaddr_t link; 2206 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2207 for (std = sc->sc_vframes[0].htd, link = 0; 2208 (link & UHCI_PTR_QH) == 0; 2209 std = std->link.std) { 2210 link = le32toh(std->td.td_link); 2211 uhci_dump_td(std); 2212 } 2213 sxqh = (uhci_soft_qh_t *)std; 2214 uhci_dump_qh(sxqh); 2215 for (xqh = sxqh; 2216 xqh != NULL; 2217 xqh = (maxqh++ == 5 || xqh->hlink == sxqh || 2218 xqh->hlink == xqh ? NULL : xqh->hlink)) { 2219 uhci_dump_qh(xqh); 2220 } 2221 DPRINTF(("Enqueued QH:\n")); 2222 uhci_dump_qh(sqh); 2223 uhci_dump_tds(sqh->elink); 2224 } 2225 #endif 2226 if (xfer->timeout && !sc->sc_bus.use_polling) { 2227 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2228 uhci_timeout, ii); 2229 } 2230 xfer->status = USBD_IN_PROGRESS; 2231 splx(s); 2232 2233 return (USBD_NORMAL_COMPLETION); 2234 } 2235 2236 usbd_status 2237 uhci_device_isoc_transfer(usbd_xfer_handle xfer) 2238 { 2239 usbd_status err; 2240 2241 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2242 2243 /* Put it on our queue, */ 2244 err = usb_insert_transfer(xfer); 2245 2246 /* bail out on error, */ 2247 if (err && err != USBD_IN_PROGRESS) 2248 return (err); 2249 2250 /* XXX should check inuse here */ 2251 2252 /* insert into schedule, */ 2253 uhci_device_isoc_enter(xfer); 2254 2255 /* and start if the pipe wasn't running */ 2256 if (!err) 2257 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2258 2259 return (err); 2260 } 2261 2262 void 2263 uhci_device_isoc_enter(usbd_xfer_handle xfer) 2264 { 2265 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2266 usbd_device_handle dev = upipe->pipe.device; 2267 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2268 struct iso *iso = &upipe->u.iso; 2269 uhci_soft_td_t *std; 2270 u_int32_t buf, len, status; 2271 int s, i, next, nframes; 2272 2273 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2274 "nframes=%d\n", 2275 iso->inuse, iso->next, xfer, xfer->nframes)); 2276 2277 if (sc->sc_dying) 2278 return; 2279 2280 if (xfer->status == USBD_IN_PROGRESS) { 2281 /* This request has already been entered into the frame list */ 2282 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2283 /* XXX */ 2284 } 2285 2286 #ifdef DIAGNOSTIC 2287 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2288 printf("uhci_device_isoc_enter: overflow!\n"); 2289 #endif 2290 2291 next = iso->next; 2292 if (next == -1) { 2293 /* Not in use yet, schedule it a few frames ahead. */ 2294 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2295 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2296 } 2297 2298 xfer->status = USBD_IN_PROGRESS; 2299 UXFER(xfer)->curframe = next; 2300 2301 buf = DMAADDR(&xfer->dmabuf); 2302 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2303 UHCI_TD_ACTIVE | 2304 UHCI_TD_IOS); 2305 nframes = xfer->nframes; 2306 s = splusb(); 2307 for (i = 0; i < nframes; i++) { 2308 std = iso->stds[next]; 2309 if (++next >= UHCI_VFRAMELIST_COUNT) 2310 next = 0; 2311 len = xfer->frlengths[i]; 2312 std->td.td_buffer = htole32(buf); 2313 if (i == nframes - 1) 2314 status |= UHCI_TD_IOC; 2315 std->td.td_status = htole32(status); 2316 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2317 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2318 #ifdef UHCI_DEBUG 2319 if (uhcidebug > 5) { 2320 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2321 uhci_dump_td(std); 2322 } 2323 #endif 2324 buf += len; 2325 } 2326 iso->next = next; 2327 iso->inuse += xfer->nframes; 2328 2329 splx(s); 2330 } 2331 2332 usbd_status 2333 uhci_device_isoc_start(usbd_xfer_handle xfer) 2334 { 2335 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2336 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2337 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2338 uhci_soft_td_t *end; 2339 int s, i; 2340 2341 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2342 2343 if (sc->sc_dying) 2344 return (USBD_IOERROR); 2345 2346 #ifdef DIAGNOSTIC 2347 if (xfer->status != USBD_IN_PROGRESS) 2348 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2349 #endif 2350 2351 /* Find the last TD */ 2352 i = UXFER(xfer)->curframe + xfer->nframes; 2353 if (i >= UHCI_VFRAMELIST_COUNT) 2354 i -= UHCI_VFRAMELIST_COUNT; 2355 end = upipe->u.iso.stds[i]; 2356 2357 #ifdef DIAGNOSTIC 2358 if (end == NULL) { 2359 printf("uhci_device_isoc_start: end == NULL\n"); 2360 return (USBD_INVAL); 2361 } 2362 #endif 2363 2364 s = splusb(); 2365 2366 /* Set up interrupt info. */ 2367 ii->xfer = xfer; 2368 ii->stdstart = end; 2369 ii->stdend = end; 2370 #ifdef DIAGNOSTIC 2371 if (!ii->isdone) 2372 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2373 ii->isdone = 0; 2374 #endif 2375 uhci_add_intr_info(sc, ii); 2376 2377 splx(s); 2378 2379 return (USBD_IN_PROGRESS); 2380 } 2381 2382 void 2383 uhci_device_isoc_abort(usbd_xfer_handle xfer) 2384 { 2385 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2386 uhci_soft_td_t **stds = upipe->u.iso.stds; 2387 uhci_soft_td_t *std; 2388 int i, n, s, nframes, maxlen, len; 2389 2390 s = splusb(); 2391 2392 /* Transfer is already done. */ 2393 if (xfer->status != USBD_NOT_STARTED && 2394 xfer->status != USBD_IN_PROGRESS) { 2395 splx(s); 2396 return; 2397 } 2398 2399 /* Give xfer the requested abort code. */ 2400 xfer->status = USBD_CANCELLED; 2401 2402 /* make hardware ignore it, */ 2403 nframes = xfer->nframes; 2404 n = UXFER(xfer)->curframe; 2405 maxlen = 0; 2406 for (i = 0; i < nframes; i++) { 2407 std = stds[n]; 2408 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2409 len = UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token)); 2410 if (len > maxlen) 2411 maxlen = len; 2412 if (++n >= UHCI_VFRAMELIST_COUNT) 2413 n = 0; 2414 } 2415 2416 /* and wait until we are sure the hardware has finished. */ 2417 delay(maxlen); 2418 2419 #ifdef DIAGNOSTIC 2420 UXFER(xfer)->iinfo.isdone = 1; 2421 #endif 2422 /* Run callback and remove from interrupt list. */ 2423 usb_transfer_complete(xfer); 2424 2425 splx(s); 2426 } 2427 2428 void 2429 uhci_device_isoc_close(usbd_pipe_handle pipe) 2430 { 2431 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2432 usbd_device_handle dev = upipe->pipe.device; 2433 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2434 uhci_soft_td_t *std, *vstd; 2435 struct iso *iso; 2436 int i, s; 2437 2438 /* 2439 * Make sure all TDs are marked as inactive. 2440 * Wait for completion. 2441 * Unschedule. 2442 * Deallocate. 2443 */ 2444 iso = &upipe->u.iso; 2445 2446 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2447 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2448 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2449 2450 s = splusb(); 2451 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2452 std = iso->stds[i]; 2453 for (vstd = sc->sc_vframes[i].htd; 2454 vstd != NULL && vstd->link.std != std; 2455 vstd = vstd->link.std) 2456 ; 2457 if (vstd == NULL) { 2458 /*panic*/ 2459 printf("uhci_device_isoc_close: %p not found\n", std); 2460 splx(s); 2461 return; 2462 } 2463 vstd->link = std->link; 2464 vstd->td.td_link = std->td.td_link; 2465 uhci_free_std(sc, std); 2466 } 2467 splx(s); 2468 2469 free(iso->stds, M_USBHC); 2470 } 2471 2472 usbd_status 2473 uhci_setup_isoc(usbd_pipe_handle pipe) 2474 { 2475 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2476 usbd_device_handle dev = upipe->pipe.device; 2477 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2478 int addr = upipe->pipe.device->address; 2479 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2480 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2481 uhci_soft_td_t *std, *vstd; 2482 u_int32_t token; 2483 struct iso *iso; 2484 int i, s; 2485 2486 iso = &upipe->u.iso; 2487 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2488 M_USBHC, M_WAITOK); 2489 2490 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2491 UHCI_TD_OUT(0, endpt, addr, 0); 2492 2493 /* Allocate the TDs and mark as inactive; */ 2494 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2495 std = uhci_alloc_std(sc); 2496 if (std == 0) 2497 goto bad; 2498 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2499 std->td.td_token = htole32(token); 2500 iso->stds[i] = std; 2501 } 2502 2503 /* Insert TDs into schedule. */ 2504 s = splusb(); 2505 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2506 std = iso->stds[i]; 2507 vstd = sc->sc_vframes[i].htd; 2508 std->link = vstd->link; 2509 std->td.td_link = vstd->td.td_link; 2510 vstd->link.std = std; 2511 vstd->td.td_link = htole32(std->physaddr | UHCI_PTR_TD); 2512 } 2513 splx(s); 2514 2515 iso->next = -1; 2516 iso->inuse = 0; 2517 2518 return (USBD_NORMAL_COMPLETION); 2519 2520 bad: 2521 while (--i >= 0) 2522 uhci_free_std(sc, iso->stds[i]); 2523 free(iso->stds, M_USBHC); 2524 return (USBD_NOMEM); 2525 } 2526 2527 void 2528 uhci_device_isoc_done(usbd_xfer_handle xfer) 2529 { 2530 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2531 2532 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2533 2534 if (ii->xfer != xfer) 2535 /* Not on interrupt list, ignore it. */ 2536 return; 2537 2538 #ifdef DIAGNOSTIC 2539 if (xfer->busy_free != XFER_BUSY) { 2540 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2541 xfer, xfer->busy_free); 2542 return; 2543 } 2544 2545 if (ii->stdend == NULL) { 2546 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2547 #ifdef UHCI_DEBUG 2548 uhci_dump_ii(ii); 2549 #endif 2550 return; 2551 } 2552 #endif 2553 2554 /* Turn off the interrupt since it is active even if the TD is not. */ 2555 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2556 2557 uhci_del_intr_info(ii); /* remove from active list */ 2558 } 2559 2560 void 2561 uhci_device_intr_done(usbd_xfer_handle xfer) 2562 { 2563 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2564 uhci_softc_t *sc = ii->sc; 2565 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2566 uhci_soft_qh_t *sqh; 2567 int i, npoll; 2568 2569 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2570 2571 npoll = upipe->u.intr.npoll; 2572 for(i = 0; i < npoll; i++) { 2573 sqh = upipe->u.intr.qhs[i]; 2574 sqh->elink = NULL; 2575 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2576 } 2577 uhci_free_std_chain(sc, ii->stdstart, NULL); 2578 2579 /* XXX Wasteful. */ 2580 if (xfer->pipe->repeat) { 2581 uhci_soft_td_t *data, *dataend; 2582 2583 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2584 2585 /* This alloc cannot fail since we freed the chain above. */ 2586 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2587 &xfer->dmabuf, &data, &dataend); 2588 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2589 2590 #ifdef UHCI_DEBUG 2591 if (uhcidebug > 10) { 2592 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2593 uhci_dump_tds(data); 2594 uhci_dump_qh(upipe->u.intr.qhs[0]); 2595 } 2596 #endif 2597 2598 ii->stdstart = data; 2599 ii->stdend = dataend; 2600 #ifdef DIAGNOSTIC 2601 if (!ii->isdone) { 2602 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2603 } 2604 ii->isdone = 0; 2605 #endif 2606 for (i = 0; i < npoll; i++) { 2607 sqh = upipe->u.intr.qhs[i]; 2608 sqh->elink = data; 2609 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 2610 } 2611 xfer->status = USBD_IN_PROGRESS; 2612 /* The ii is already on the examined list, just leave it. */ 2613 } else { 2614 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2615 uhci_del_intr_info(ii); 2616 } 2617 } 2618 2619 /* Deallocate request data structures */ 2620 void 2621 uhci_device_ctrl_done(usbd_xfer_handle xfer) 2622 { 2623 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2624 uhci_softc_t *sc = ii->sc; 2625 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2626 2627 #ifdef DIAGNOSTIC 2628 if (!(xfer->rqflags & URQ_REQUEST)) 2629 panic("uhci_ctrl_done: not a request\n"); 2630 #endif 2631 2632 uhci_del_intr_info(ii); /* remove from active list */ 2633 2634 if (upipe->pipe.device->speed == USB_SPEED_LOW) 2635 uhci_remove_ls_ctrl(sc, upipe->u.ctl.sqh); 2636 else 2637 uhci_remove_hs_ctrl(sc, upipe->u.ctl.sqh); 2638 2639 if (upipe->u.ctl.length != 0) 2640 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2641 2642 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2643 } 2644 2645 /* Deallocate request data structures */ 2646 void 2647 uhci_device_bulk_done(usbd_xfer_handle xfer) 2648 { 2649 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2650 uhci_softc_t *sc = ii->sc; 2651 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2652 2653 uhci_del_intr_info(ii); /* remove from active list */ 2654 2655 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2656 2657 uhci_free_std_chain(sc, ii->stdstart, NULL); 2658 2659 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2660 } 2661 2662 /* Add interrupt QH, called with vflock. */ 2663 void 2664 uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2665 { 2666 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2667 uhci_soft_qh_t *eqh; 2668 2669 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2670 2671 eqh = vf->eqh; 2672 sqh->hlink = eqh->hlink; 2673 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2674 eqh->hlink = sqh; 2675 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 2676 vf->eqh = sqh; 2677 vf->bandwidth++; 2678 } 2679 2680 /* Remove interrupt QH. */ 2681 void 2682 uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2683 { 2684 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2685 uhci_soft_qh_t *pqh; 2686 2687 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2688 2689 /* See comment in uhci_remove_ctrl() */ 2690 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 2691 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2692 delay(UHCI_QH_REMOVE_DELAY); 2693 } 2694 2695 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2696 pqh->hlink = sqh->hlink; 2697 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2698 delay(UHCI_QH_REMOVE_DELAY); 2699 if (vf->eqh == sqh) 2700 vf->eqh = pqh; 2701 vf->bandwidth--; 2702 } 2703 2704 usbd_status 2705 uhci_device_setintr(uhci_softc_t *sc, struct uhci_pipe *upipe, int ival) 2706 { 2707 uhci_soft_qh_t *sqh; 2708 int i, npoll, s; 2709 u_int bestbw, bw, bestoffs, offs; 2710 2711 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2712 if (ival == 0) { 2713 printf("uhci_setintr: 0 interval\n"); 2714 return (USBD_INVAL); 2715 } 2716 2717 if (ival > UHCI_VFRAMELIST_COUNT) 2718 ival = UHCI_VFRAMELIST_COUNT; 2719 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2720 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2721 2722 upipe->u.intr.npoll = npoll; 2723 upipe->u.intr.qhs = 2724 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2725 2726 /* 2727 * Figure out which offset in the schedule that has most 2728 * bandwidth left over. 2729 */ 2730 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2731 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2732 for (bw = i = 0; i < npoll; i++) 2733 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2734 if (bw < bestbw) { 2735 bestbw = bw; 2736 bestoffs = offs; 2737 } 2738 } 2739 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2740 2741 for(i = 0; i < npoll; i++) { 2742 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2743 sqh->elink = NULL; 2744 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2745 sqh->pos = MOD(i * ival + bestoffs); 2746 } 2747 #undef MOD 2748 2749 s = splusb(); 2750 /* Enter QHs into the controller data structures. */ 2751 for(i = 0; i < npoll; i++) 2752 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2753 splx(s); 2754 2755 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2756 return (USBD_NORMAL_COMPLETION); 2757 } 2758 2759 /* Open a new pipe. */ 2760 usbd_status 2761 uhci_open(usbd_pipe_handle pipe) 2762 { 2763 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2764 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2765 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2766 usbd_status err; 2767 int ival; 2768 2769 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2770 pipe, pipe->device->address, 2771 ed->bEndpointAddress, sc->sc_addr)); 2772 2773 upipe->aborting = 0; 2774 upipe->nexttoggle = 0; 2775 2776 if (pipe->device->address == sc->sc_addr) { 2777 switch (ed->bEndpointAddress) { 2778 case USB_CONTROL_ENDPOINT: 2779 pipe->methods = &uhci_root_ctrl_methods; 2780 break; 2781 case UE_DIR_IN | UHCI_INTR_ENDPT: 2782 pipe->methods = &uhci_root_intr_methods; 2783 break; 2784 default: 2785 return (USBD_INVAL); 2786 } 2787 } else { 2788 switch (ed->bmAttributes & UE_XFERTYPE) { 2789 case UE_CONTROL: 2790 pipe->methods = &uhci_device_ctrl_methods; 2791 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2792 if (upipe->u.ctl.sqh == NULL) 2793 goto bad; 2794 upipe->u.ctl.setup = uhci_alloc_std(sc); 2795 if (upipe->u.ctl.setup == NULL) { 2796 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2797 goto bad; 2798 } 2799 upipe->u.ctl.stat = uhci_alloc_std(sc); 2800 if (upipe->u.ctl.stat == NULL) { 2801 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2802 uhci_free_std(sc, upipe->u.ctl.setup); 2803 goto bad; 2804 } 2805 err = usb_allocmem(&sc->sc_bus, 2806 sizeof(usb_device_request_t), 2807 0, &upipe->u.ctl.reqdma); 2808 if (err) { 2809 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2810 uhci_free_std(sc, upipe->u.ctl.setup); 2811 uhci_free_std(sc, upipe->u.ctl.stat); 2812 goto bad; 2813 } 2814 break; 2815 case UE_INTERRUPT: 2816 pipe->methods = &uhci_device_intr_methods; 2817 ival = pipe->interval; 2818 if (ival == USBD_DEFAULT_INTERVAL) 2819 ival = ed->bInterval; 2820 return (uhci_device_setintr(sc, upipe, ival)); 2821 case UE_ISOCHRONOUS: 2822 pipe->methods = &uhci_device_isoc_methods; 2823 return (uhci_setup_isoc(pipe)); 2824 case UE_BULK: 2825 pipe->methods = &uhci_device_bulk_methods; 2826 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2827 if (upipe->u.bulk.sqh == NULL) 2828 goto bad; 2829 break; 2830 } 2831 } 2832 return (USBD_NORMAL_COMPLETION); 2833 2834 bad: 2835 return (USBD_NOMEM); 2836 } 2837 2838 /* 2839 * Data structures and routines to emulate the root hub. 2840 */ 2841 usb_device_descriptor_t uhci_devd = { 2842 USB_DEVICE_DESCRIPTOR_SIZE, 2843 UDESC_DEVICE, /* type */ 2844 {0x00, 0x01}, /* USB version */ 2845 UDCLASS_HUB, /* class */ 2846 UDSUBCLASS_HUB, /* subclass */ 2847 UDPROTO_FSHUB, /* protocol */ 2848 64, /* max packet */ 2849 {0},{0},{0x00,0x01}, /* device id */ 2850 1,2,0, /* string indicies */ 2851 1 /* # of configurations */ 2852 }; 2853 2854 usb_config_descriptor_t uhci_confd = { 2855 USB_CONFIG_DESCRIPTOR_SIZE, 2856 UDESC_CONFIG, 2857 {USB_CONFIG_DESCRIPTOR_SIZE + 2858 USB_INTERFACE_DESCRIPTOR_SIZE + 2859 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2860 1, 2861 1, 2862 0, 2863 UC_SELF_POWERED, 2864 0 /* max power */ 2865 }; 2866 2867 usb_interface_descriptor_t uhci_ifcd = { 2868 USB_INTERFACE_DESCRIPTOR_SIZE, 2869 UDESC_INTERFACE, 2870 0, 2871 0, 2872 1, 2873 UICLASS_HUB, 2874 UISUBCLASS_HUB, 2875 UIPROTO_FSHUB, 2876 0 2877 }; 2878 2879 usb_endpoint_descriptor_t uhci_endpd = { 2880 USB_ENDPOINT_DESCRIPTOR_SIZE, 2881 UDESC_ENDPOINT, 2882 UE_DIR_IN | UHCI_INTR_ENDPT, 2883 UE_INTERRUPT, 2884 {8}, 2885 255 2886 }; 2887 2888 usb_hub_descriptor_t uhci_hubd_piix = { 2889 USB_HUB_DESCRIPTOR_SIZE, 2890 UDESC_HUB, 2891 2, 2892 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2893 50, /* power on to power good */ 2894 0, 2895 { 0x00 }, /* both ports are removable */ 2896 }; 2897 2898 int 2899 uhci_str(usb_string_descriptor_t *p, int l, char *s) 2900 { 2901 int i; 2902 2903 if (l == 0) 2904 return (0); 2905 p->bLength = 2 * strlen(s) + 2; 2906 if (l == 1) 2907 return (1); 2908 p->bDescriptorType = UDESC_STRING; 2909 l -= 2; 2910 for (i = 0; s[i] && l > 1; i++, l -= 2) 2911 USETW2(p->bString[i], 0, s[i]); 2912 return (2*i+2); 2913 } 2914 2915 /* 2916 * Simulate a hardware hub by handling all the necessary requests. 2917 */ 2918 usbd_status 2919 uhci_root_ctrl_transfer(usbd_xfer_handle xfer) 2920 { 2921 usbd_status err; 2922 2923 /* Insert last in queue. */ 2924 err = usb_insert_transfer(xfer); 2925 if (err) 2926 return (err); 2927 2928 /* 2929 * Pipe isn't running (otherwise err would be USBD_INPROG), 2930 * so start it first. 2931 */ 2932 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2933 } 2934 2935 usbd_status 2936 uhci_root_ctrl_start(usbd_xfer_handle xfer) 2937 { 2938 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2939 usb_device_request_t *req; 2940 void *buf = NULL; 2941 int port, x; 2942 int s, len, value, index, status, change, l, totlen = 0; 2943 usb_port_status_t ps; 2944 usbd_status err; 2945 2946 if (sc->sc_dying) 2947 return (USBD_IOERROR); 2948 2949 #ifdef DIAGNOSTIC 2950 if (!(xfer->rqflags & URQ_REQUEST)) 2951 panic("uhci_root_ctrl_transfer: not a request\n"); 2952 #endif 2953 req = &xfer->request; 2954 2955 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2956 req->bmRequestType, req->bRequest)); 2957 2958 len = UGETW(req->wLength); 2959 value = UGETW(req->wValue); 2960 index = UGETW(req->wIndex); 2961 2962 if (len != 0) 2963 buf = KERNADDR(&xfer->dmabuf); 2964 2965 #define C(x,y) ((x) | ((y) << 8)) 2966 switch(C(req->bRequest, req->bmRequestType)) { 2967 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2968 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2969 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2970 /* 2971 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2972 * for the integrated root hub. 2973 */ 2974 break; 2975 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2976 if (len > 0) { 2977 *(u_int8_t *)buf = sc->sc_conf; 2978 totlen = 1; 2979 } 2980 break; 2981 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2982 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2983 switch(value >> 8) { 2984 case UDESC_DEVICE: 2985 if ((value & 0xff) != 0) { 2986 err = USBD_IOERROR; 2987 goto ret; 2988 } 2989 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2990 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2991 memcpy(buf, &uhci_devd, l); 2992 break; 2993 case UDESC_CONFIG: 2994 if ((value & 0xff) != 0) { 2995 err = USBD_IOERROR; 2996 goto ret; 2997 } 2998 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2999 memcpy(buf, &uhci_confd, l); 3000 buf = (char *)buf + l; 3001 len -= l; 3002 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 3003 totlen += l; 3004 memcpy(buf, &uhci_ifcd, l); 3005 buf = (char *)buf + l; 3006 len -= l; 3007 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 3008 totlen += l; 3009 memcpy(buf, &uhci_endpd, l); 3010 break; 3011 case UDESC_STRING: 3012 if (len == 0) 3013 break; 3014 *(u_int8_t *)buf = 0; 3015 totlen = 1; 3016 switch (value & 0xff) { 3017 case 1: /* Vendor */ 3018 totlen = uhci_str(buf, len, sc->sc_vendor); 3019 break; 3020 case 2: /* Product */ 3021 totlen = uhci_str(buf, len, "UHCI root hub"); 3022 break; 3023 } 3024 break; 3025 default: 3026 err = USBD_IOERROR; 3027 goto ret; 3028 } 3029 break; 3030 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 3031 if (len > 0) { 3032 *(u_int8_t *)buf = 0; 3033 totlen = 1; 3034 } 3035 break; 3036 case C(UR_GET_STATUS, UT_READ_DEVICE): 3037 if (len > 1) { 3038 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 3039 totlen = 2; 3040 } 3041 break; 3042 case C(UR_GET_STATUS, UT_READ_INTERFACE): 3043 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 3044 if (len > 1) { 3045 USETW(((usb_status_t *)buf)->wStatus, 0); 3046 totlen = 2; 3047 } 3048 break; 3049 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 3050 if (value >= USB_MAX_DEVICES) { 3051 err = USBD_IOERROR; 3052 goto ret; 3053 } 3054 sc->sc_addr = value; 3055 break; 3056 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 3057 if (value != 0 && value != 1) { 3058 err = USBD_IOERROR; 3059 goto ret; 3060 } 3061 sc->sc_conf = value; 3062 break; 3063 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 3064 break; 3065 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 3066 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 3067 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 3068 err = USBD_IOERROR; 3069 goto ret; 3070 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 3071 break; 3072 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 3073 break; 3074 /* Hub requests */ 3075 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 3076 break; 3077 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 3078 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 3079 "port=%d feature=%d\n", 3080 index, value)); 3081 if (index == 1) 3082 port = UHCI_PORTSC1; 3083 else if (index == 2) 3084 port = UHCI_PORTSC2; 3085 else { 3086 err = USBD_IOERROR; 3087 goto ret; 3088 } 3089 switch(value) { 3090 case UHF_PORT_ENABLE: 3091 x = URWMASK(UREAD2(sc, port)); 3092 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 3093 break; 3094 case UHF_PORT_SUSPEND: 3095 x = URWMASK(UREAD2(sc, port)); 3096 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 3097 break; 3098 case UHF_PORT_RESET: 3099 x = URWMASK(UREAD2(sc, port)); 3100 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3101 break; 3102 case UHF_C_PORT_CONNECTION: 3103 x = URWMASK(UREAD2(sc, port)); 3104 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 3105 break; 3106 case UHF_C_PORT_ENABLE: 3107 x = URWMASK(UREAD2(sc, port)); 3108 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 3109 break; 3110 case UHF_C_PORT_OVER_CURRENT: 3111 x = URWMASK(UREAD2(sc, port)); 3112 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 3113 break; 3114 case UHF_C_PORT_RESET: 3115 sc->sc_isreset = 0; 3116 err = USBD_NORMAL_COMPLETION; 3117 goto ret; 3118 case UHF_PORT_CONNECTION: 3119 case UHF_PORT_OVER_CURRENT: 3120 case UHF_PORT_POWER: 3121 case UHF_PORT_LOW_SPEED: 3122 case UHF_C_PORT_SUSPEND: 3123 default: 3124 err = USBD_IOERROR; 3125 goto ret; 3126 } 3127 break; 3128 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 3129 if (index == 1) 3130 port = UHCI_PORTSC1; 3131 else if (index == 2) 3132 port = UHCI_PORTSC2; 3133 else { 3134 err = USBD_IOERROR; 3135 goto ret; 3136 } 3137 if (len > 0) { 3138 *(u_int8_t *)buf = 3139 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3140 UHCI_PORTSC_LS_SHIFT; 3141 totlen = 1; 3142 } 3143 break; 3144 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3145 if (value != 0) { 3146 err = USBD_IOERROR; 3147 goto ret; 3148 } 3149 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3150 totlen = l; 3151 memcpy(buf, &uhci_hubd_piix, l); 3152 break; 3153 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3154 if (len != 4) { 3155 err = USBD_IOERROR; 3156 goto ret; 3157 } 3158 memset(buf, 0, len); 3159 totlen = len; 3160 break; 3161 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3162 if (index == 1) 3163 port = UHCI_PORTSC1; 3164 else if (index == 2) 3165 port = UHCI_PORTSC2; 3166 else { 3167 err = USBD_IOERROR; 3168 goto ret; 3169 } 3170 if (len != 4) { 3171 err = USBD_IOERROR; 3172 goto ret; 3173 } 3174 x = UREAD2(sc, port); 3175 status = change = 0; 3176 if (x & UHCI_PORTSC_CCS) 3177 status |= UPS_CURRENT_CONNECT_STATUS; 3178 if (x & UHCI_PORTSC_CSC) 3179 change |= UPS_C_CONNECT_STATUS; 3180 if (x & UHCI_PORTSC_PE) 3181 status |= UPS_PORT_ENABLED; 3182 if (x & UHCI_PORTSC_POEDC) 3183 change |= UPS_C_PORT_ENABLED; 3184 if (x & UHCI_PORTSC_OCI) 3185 status |= UPS_OVERCURRENT_INDICATOR; 3186 if (x & UHCI_PORTSC_OCIC) 3187 change |= UPS_C_OVERCURRENT_INDICATOR; 3188 if (x & UHCI_PORTSC_SUSP) 3189 status |= UPS_SUSPEND; 3190 if (x & UHCI_PORTSC_LSDA) 3191 status |= UPS_LOW_SPEED; 3192 status |= UPS_PORT_POWER; 3193 if (sc->sc_isreset) 3194 change |= UPS_C_PORT_RESET; 3195 USETW(ps.wPortStatus, status); 3196 USETW(ps.wPortChange, change); 3197 l = min(len, sizeof ps); 3198 memcpy(buf, &ps, l); 3199 totlen = l; 3200 break; 3201 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3202 err = USBD_IOERROR; 3203 goto ret; 3204 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3205 break; 3206 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3207 if (index == 1) 3208 port = UHCI_PORTSC1; 3209 else if (index == 2) 3210 port = UHCI_PORTSC2; 3211 else { 3212 err = USBD_IOERROR; 3213 goto ret; 3214 } 3215 switch(value) { 3216 case UHF_PORT_ENABLE: 3217 x = URWMASK(UREAD2(sc, port)); 3218 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3219 break; 3220 case UHF_PORT_SUSPEND: 3221 x = URWMASK(UREAD2(sc, port)); 3222 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3223 break; 3224 case UHF_PORT_RESET: 3225 x = URWMASK(UREAD2(sc, port)); 3226 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3227 usb_delay_ms(&sc->sc_bus, USB_PORT_ROOT_RESET_DELAY); 3228 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3229 delay(100); 3230 x = UREAD2(sc, port); 3231 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3232 usb_delay_ms(&sc->sc_bus, 10); /* XXX */ 3233 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3234 index, UREAD2(sc, port))); 3235 sc->sc_isreset = 1; 3236 break; 3237 case UHF_PORT_POWER: 3238 /* Pretend we turned on power */ 3239 err = USBD_NORMAL_COMPLETION; 3240 goto ret; 3241 case UHF_C_PORT_CONNECTION: 3242 case UHF_C_PORT_ENABLE: 3243 case UHF_C_PORT_OVER_CURRENT: 3244 case UHF_PORT_CONNECTION: 3245 case UHF_PORT_OVER_CURRENT: 3246 case UHF_PORT_LOW_SPEED: 3247 case UHF_C_PORT_SUSPEND: 3248 case UHF_C_PORT_RESET: 3249 default: 3250 err = USBD_IOERROR; 3251 goto ret; 3252 } 3253 break; 3254 default: 3255 err = USBD_IOERROR; 3256 goto ret; 3257 } 3258 xfer->actlen = totlen; 3259 err = USBD_NORMAL_COMPLETION; 3260 ret: 3261 xfer->status = err; 3262 s = splusb(); 3263 usb_transfer_complete(xfer); 3264 splx(s); 3265 return (USBD_IN_PROGRESS); 3266 } 3267 3268 /* Abort a root control request. */ 3269 void 3270 uhci_root_ctrl_abort(usbd_xfer_handle xfer) 3271 { 3272 /* Nothing to do, all transfers are synchronous. */ 3273 } 3274 3275 /* Close the root pipe. */ 3276 void 3277 uhci_root_ctrl_close(usbd_pipe_handle pipe) 3278 { 3279 DPRINTF(("uhci_root_ctrl_close\n")); 3280 } 3281 3282 /* Abort a root interrupt request. */ 3283 void 3284 uhci_root_intr_abort(usbd_xfer_handle xfer) 3285 { 3286 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3287 3288 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3289 sc->sc_intr_xfer = NULL; 3290 3291 if (xfer->pipe->intrxfer == xfer) { 3292 DPRINTF(("uhci_root_intr_abort: remove\n")); 3293 xfer->pipe->intrxfer = 0; 3294 } 3295 xfer->status = USBD_CANCELLED; 3296 #ifdef DIAGNOSTIC 3297 UXFER(xfer)->iinfo.isdone = 1; 3298 #endif 3299 usb_transfer_complete(xfer); 3300 } 3301 3302 usbd_status 3303 uhci_root_intr_transfer(usbd_xfer_handle xfer) 3304 { 3305 usbd_status err; 3306 3307 /* Insert last in queue. */ 3308 err = usb_insert_transfer(xfer); 3309 if (err) 3310 return (err); 3311 3312 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3313 * start first 3314 */ 3315 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3316 } 3317 3318 /* Start a transfer on the root interrupt pipe */ 3319 usbd_status 3320 uhci_root_intr_start(usbd_xfer_handle xfer) 3321 { 3322 usbd_pipe_handle pipe = xfer->pipe; 3323 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3324 3325 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3326 xfer, xfer->length, xfer->flags)); 3327 3328 if (sc->sc_dying) 3329 return (USBD_IOERROR); 3330 3331 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3332 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3333 sc->sc_intr_xfer = xfer; 3334 return (USBD_IN_PROGRESS); 3335 } 3336 3337 /* Close the root interrupt pipe. */ 3338 void 3339 uhci_root_intr_close(usbd_pipe_handle pipe) 3340 { 3341 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3342 3343 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3344 sc->sc_intr_xfer = NULL; 3345 DPRINTF(("uhci_root_intr_close\n")); 3346 } 3347
Indexes created Mon Sep 22 05:09:51 GMT 2025