uhci.c revision 1.146
1 /* $NetBSD: uhci.c,v 1.146 2001/11/20 21:12:46 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 1.146 2001/11/20 21:12:46 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 alolocate 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, M_NOWAIT); 599 memset(stds, 0, sizeof(uhci_soft_td_t *) * n); 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((int)le32toh(p->td.td_link), "\20\1T\2Q\3VF", 793 sbuf, sizeof(sbuf)); 794 bitmask_snprintf((int)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((int)status, "\20\22BITSTUFF\23CRCTO\24NAK\25" 1435 "BABBLE\26DBUFFER\27STALLED\30ACTIVE", 1436 sbuf, sizeof(sbuf)); 1437 1438 DPRINTFN((status == UHCI_TD_STALLED)*10, 1439 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 1440 "status 0x%s\n", 1441 xfer->pipe->device->address, 1442 xfer->pipe->endpoint->edesc->bEndpointAddress, 1443 sbuf)); 1444 #endif 1445 1446 if (status == UHCI_TD_STALLED) 1447 xfer->status = USBD_STALLED; 1448 else 1449 xfer->status = USBD_IOERROR; /* more info XXX */ 1450 } else { 1451 xfer->status = USBD_NORMAL_COMPLETION; 1452 } 1453 1454 end: 1455 usb_transfer_complete(xfer); 1456 DPRINTFN(12, ("uhci_idone: ii=%p done\n", ii)); 1457 } 1458 1459 /* 1460 * Called when a request does not complete. 1461 */ 1462 void 1463 uhci_timeout(void *addr) 1464 { 1465 uhci_intr_info_t *ii = addr; 1466 1467 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 1468 1469 #ifdef UHCI_DEBUG 1470 if (uhcidebug > 10) 1471 uhci_dump_tds(ii->stdstart); 1472 #endif 1473 1474 ii->xfer->device->bus->intr_context++; 1475 uhci_abort_xfer(ii->xfer, USBD_TIMEOUT); 1476 ii->xfer->device->bus->intr_context--; 1477 } 1478 1479 /* 1480 * Wait here until controller claims to have an interrupt. 1481 * Then call uhci_intr and return. Use timeout to avoid waiting 1482 * too long. 1483 * Only used during boot when interrupts are not enabled yet. 1484 */ 1485 void 1486 uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer) 1487 { 1488 int timo = xfer->timeout; 1489 uhci_intr_info_t *ii; 1490 1491 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 1492 1493 xfer->status = USBD_IN_PROGRESS; 1494 for (; timo >= 0; timo--) { 1495 usb_delay_ms(&sc->sc_bus, 1); 1496 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 1497 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 1498 uhci_intr1(sc); 1499 if (xfer->status != USBD_IN_PROGRESS) 1500 return; 1501 } 1502 } 1503 1504 /* Timeout */ 1505 DPRINTF(("uhci_waitintr: timeout\n")); 1506 for (ii = LIST_FIRST(&sc->sc_intrhead); 1507 ii != NULL && ii->xfer != xfer; 1508 ii = LIST_NEXT(ii, list)) 1509 ; 1510 #ifdef DIAGNOSTIC 1511 if (ii == NULL) 1512 panic("uhci_waitintr: lost intr_info\n"); 1513 #endif 1514 uhci_idone(ii); 1515 } 1516 1517 void 1518 uhci_poll(struct usbd_bus *bus) 1519 { 1520 uhci_softc_t *sc = (uhci_softc_t *)bus; 1521 1522 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1523 uhci_intr1(sc); 1524 } 1525 1526 void 1527 uhci_reset(uhci_softc_t *sc) 1528 { 1529 int n; 1530 1531 UHCICMD(sc, UHCI_CMD_HCRESET); 1532 /* The reset bit goes low when the controller is done. */ 1533 for (n = 0; n < UHCI_RESET_TIMEOUT && 1534 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1535 usb_delay_ms(&sc->sc_bus, 1); 1536 if (n >= UHCI_RESET_TIMEOUT) 1537 printf("%s: controller did not reset\n", 1538 USBDEVNAME(sc->sc_bus.bdev)); 1539 } 1540 1541 usbd_status 1542 uhci_run(uhci_softc_t *sc, int run) 1543 { 1544 int s, n, running; 1545 u_int16_t cmd; 1546 1547 run = run != 0; 1548 s = splhardusb(); 1549 DPRINTF(("uhci_run: setting run=%d\n", run)); 1550 cmd = UREAD2(sc, UHCI_CMD); 1551 if (run) 1552 cmd |= UHCI_CMD_RS; 1553 else 1554 cmd &= ~UHCI_CMD_RS; 1555 UHCICMD(sc, cmd); 1556 for(n = 0; n < 10; n++) { 1557 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1558 /* return when we've entered the state we want */ 1559 if (run == running) { 1560 splx(s); 1561 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1562 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1563 return (USBD_NORMAL_COMPLETION); 1564 } 1565 usb_delay_ms(&sc->sc_bus, 1); 1566 } 1567 splx(s); 1568 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1569 run ? "start" : "stop"); 1570 return (USBD_IOERROR); 1571 } 1572 1573 /* 1574 * Memory management routines. 1575 * uhci_alloc_std allocates TDs 1576 * uhci_alloc_sqh allocates QHs 1577 * These two routines do their own free list management, 1578 * partly for speed, partly because allocating DMAable memory 1579 * has page size granularaity so much memory would be wasted if 1580 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1581 */ 1582 1583 uhci_soft_td_t * 1584 uhci_alloc_std(uhci_softc_t *sc) 1585 { 1586 uhci_soft_td_t *std; 1587 usbd_status err; 1588 int i, offs; 1589 usb_dma_t dma; 1590 1591 if (sc->sc_freetds == NULL) { 1592 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1593 err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1594 UHCI_TD_ALIGN, &dma); 1595 if (err) 1596 return (0); 1597 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1598 offs = i * UHCI_STD_SIZE; 1599 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1600 std->physaddr = DMAADDR(&dma) + offs; 1601 std->link.std = sc->sc_freetds; 1602 sc->sc_freetds = std; 1603 } 1604 } 1605 std = sc->sc_freetds; 1606 sc->sc_freetds = std->link.std; 1607 memset(&std->td, 0, sizeof(uhci_td_t)); 1608 return std; 1609 } 1610 1611 void 1612 uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std) 1613 { 1614 #ifdef DIAGNOSTIC 1615 #define TD_IS_FREE 0x12345678 1616 if (le32toh(std->td.td_token) == TD_IS_FREE) { 1617 printf("uhci_free_std: freeing free TD %p\n", std); 1618 return; 1619 } 1620 std->td.td_token = htole32(TD_IS_FREE); 1621 #endif 1622 std->link.std = sc->sc_freetds; 1623 sc->sc_freetds = std; 1624 } 1625 1626 uhci_soft_qh_t * 1627 uhci_alloc_sqh(uhci_softc_t *sc) 1628 { 1629 uhci_soft_qh_t *sqh; 1630 usbd_status err; 1631 int i, offs; 1632 usb_dma_t dma; 1633 1634 if (sc->sc_freeqhs == NULL) { 1635 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1636 err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1637 UHCI_QH_ALIGN, &dma); 1638 if (err) 1639 return (0); 1640 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1641 offs = i * UHCI_SQH_SIZE; 1642 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1643 sqh->physaddr = DMAADDR(&dma) + offs; 1644 sqh->hlink = sc->sc_freeqhs; 1645 sc->sc_freeqhs = sqh; 1646 } 1647 } 1648 sqh = sc->sc_freeqhs; 1649 sc->sc_freeqhs = sqh->hlink; 1650 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1651 return (sqh); 1652 } 1653 1654 void 1655 uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 1656 { 1657 sqh->hlink = sc->sc_freeqhs; 1658 sc->sc_freeqhs = sqh; 1659 } 1660 1661 void 1662 uhci_free_std_chain(uhci_softc_t *sc, uhci_soft_td_t *std, 1663 uhci_soft_td_t *stdend) 1664 { 1665 uhci_soft_td_t *p; 1666 1667 for (; std != stdend; std = p) { 1668 p = std->link.std; 1669 uhci_free_std(sc, std); 1670 } 1671 } 1672 1673 usbd_status 1674 uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len, 1675 int rd, u_int16_t flags, usb_dma_t *dma, 1676 uhci_soft_td_t **sp, uhci_soft_td_t **ep) 1677 { 1678 uhci_soft_td_t *p, *lastp; 1679 uhci_physaddr_t lastlink; 1680 int i, ntd, l, tog, maxp; 1681 u_int32_t status; 1682 int addr = upipe->pipe.device->address; 1683 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1684 1685 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d speed=%d " 1686 "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, 1687 upipe->pipe.device->speed, flags)); 1688 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1689 if (maxp == 0) { 1690 printf("uhci_alloc_std_chain: maxp=0\n"); 1691 return (USBD_INVAL); 1692 } 1693 ntd = (len + maxp - 1) / maxp; 1694 if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) 1695 ntd++; 1696 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1697 if (ntd == 0) { 1698 *sp = *ep = 0; 1699 DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); 1700 return (USBD_NORMAL_COMPLETION); 1701 } 1702 tog = upipe->nexttoggle; 1703 if (ntd % 2 == 0) 1704 tog ^= 1; 1705 upipe->nexttoggle = tog ^ 1; 1706 lastp = NULL; 1707 lastlink = UHCI_PTR_T; 1708 ntd--; 1709 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1710 if (upipe->pipe.device->speed == USB_SPEED_LOW) 1711 status |= UHCI_TD_LS; 1712 if (flags & USBD_SHORT_XFER_OK) 1713 status |= UHCI_TD_SPD; 1714 for (i = ntd; i >= 0; i--) { 1715 p = uhci_alloc_std(sc); 1716 if (p == NULL) { 1717 uhci_free_std_chain(sc, lastp, 0); 1718 return (USBD_NOMEM); 1719 } 1720 p->link.std = lastp; 1721 p->td.td_link = htole32(lastlink | UHCI_PTR_VF | UHCI_PTR_TD); 1722 lastp = p; 1723 lastlink = p->physaddr; 1724 p->td.td_status = htole32(status); 1725 if (i == ntd) { 1726 /* last TD */ 1727 l = len % maxp; 1728 if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) 1729 l = maxp; 1730 *ep = p; 1731 } else 1732 l = maxp; 1733 p->td.td_token = 1734 htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1735 UHCI_TD_OUT(l, endpt, addr, tog)); 1736 p->td.td_buffer = htole32(DMAADDR(dma) + i * maxp); 1737 tog ^= 1; 1738 } 1739 *sp = lastp; 1740 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1741 upipe->nexttoggle)); 1742 return (USBD_NORMAL_COMPLETION); 1743 } 1744 1745 void 1746 uhci_device_clear_toggle(usbd_pipe_handle pipe) 1747 { 1748 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1749 upipe->nexttoggle = 0; 1750 } 1751 1752 void 1753 uhci_noop(usbd_pipe_handle pipe) 1754 { 1755 } 1756 1757 usbd_status 1758 uhci_device_bulk_transfer(usbd_xfer_handle xfer) 1759 { 1760 usbd_status err; 1761 1762 /* Insert last in queue. */ 1763 err = usb_insert_transfer(xfer); 1764 if (err) 1765 return (err); 1766 1767 /* 1768 * Pipe isn't running (otherwise err would be USBD_INPROG), 1769 * so start it first. 1770 */ 1771 return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1772 } 1773 1774 usbd_status 1775 uhci_device_bulk_start(usbd_xfer_handle xfer) 1776 { 1777 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1778 usbd_device_handle dev = upipe->pipe.device; 1779 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1780 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1781 uhci_soft_td_t *data, *dataend; 1782 uhci_soft_qh_t *sqh; 1783 usbd_status err; 1784 int len, isread, endpt; 1785 int s; 1786 1787 DPRINTFN(3, ("uhci_device_bulk_transfer: xfer=%p len=%d flags=%d\n", 1788 xfer, xfer->length, xfer->flags)); 1789 1790 if (sc->sc_dying) 1791 return (USBD_IOERROR); 1792 1793 #ifdef DIAGNOSTIC 1794 if (xfer->rqflags & URQ_REQUEST) 1795 panic("uhci_device_bulk_transfer: a request\n"); 1796 #endif 1797 1798 len = xfer->length; 1799 endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1800 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1801 sqh = upipe->u.bulk.sqh; 1802 1803 upipe->u.bulk.isread = isread; 1804 upipe->u.bulk.length = len; 1805 1806 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 1807 &xfer->dmabuf, &data, &dataend); 1808 if (err) 1809 return (err); 1810 dataend->td.td_status |= htole32(UHCI_TD_IOC); 1811 1812 #ifdef UHCI_DEBUG 1813 if (uhcidebug > 8) { 1814 DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); 1815 uhci_dump_tds(data); 1816 } 1817 #endif 1818 1819 /* Set up interrupt info. */ 1820 ii->xfer = xfer; 1821 ii->stdstart = data; 1822 ii->stdend = dataend; 1823 #ifdef DIAGNOSTIC 1824 if (!ii->isdone) { 1825 printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); 1826 } 1827 ii->isdone = 0; 1828 #endif 1829 1830 sqh->elink = data; 1831 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 1832 1833 s = splusb(); 1834 uhci_add_bulk(sc, sqh); 1835 uhci_add_intr_info(sc, ii); 1836 1837 if (xfer->timeout && !sc->sc_bus.use_polling) { 1838 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 1839 uhci_timeout, ii); 1840 } 1841 xfer->status = USBD_IN_PROGRESS; 1842 splx(s); 1843 1844 #ifdef UHCI_DEBUG 1845 if (uhcidebug > 10) { 1846 DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); 1847 uhci_dump_tds(data); 1848 } 1849 #endif 1850 1851 if (sc->sc_bus.use_polling) 1852 uhci_waitintr(sc, xfer); 1853 1854 return (USBD_IN_PROGRESS); 1855 } 1856 1857 /* Abort a device bulk request. */ 1858 void 1859 uhci_device_bulk_abort(usbd_xfer_handle xfer) 1860 { 1861 DPRINTF(("uhci_device_bulk_abort:\n")); 1862 uhci_abort_xfer(xfer, USBD_CANCELLED); 1863 } 1864 1865 /* 1866 * XXX This way of aborting is neither safe, nor good. 1867 * But it will have to do until I figure out what to do. 1868 * I apologize for the delay(). 1869 */ 1870 void 1871 uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status) 1872 { 1873 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1874 uhci_soft_td_t *std; 1875 int s; 1876 1877 DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); 1878 1879 s = splusb(); 1880 1881 /* Transfer is already done. */ 1882 if (xfer->status != USBD_NOT_STARTED && 1883 xfer->status != USBD_IN_PROGRESS) { 1884 splx(s); 1885 return; 1886 } 1887 1888 /* Make interrupt routine ignore it, */ 1889 xfer->status = status; 1890 1891 /* don't timeout, */ 1892 usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); 1893 1894 /* make hardware ignore it, */ 1895 for (std = ii->stdstart; std != NULL; std = std->link.std) 1896 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 1897 1898 xfer->hcpriv = ii; 1899 1900 splx(s); 1901 1902 delay(1000); 1903 1904 s = splusb(); 1905 #ifdef DIAGNOSTIC 1906 ii->isdone = 1; 1907 #endif 1908 usb_transfer_complete(xfer); 1909 splx(s); 1910 } 1911 1912 /* Close a device bulk pipe. */ 1913 void 1914 uhci_device_bulk_close(usbd_pipe_handle pipe) 1915 { 1916 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1917 usbd_device_handle dev = upipe->pipe.device; 1918 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1919 1920 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1921 } 1922 1923 usbd_status 1924 uhci_device_ctrl_transfer(usbd_xfer_handle xfer) 1925 { 1926 usbd_status err; 1927 1928 /* Insert last in queue. */ 1929 err = usb_insert_transfer(xfer); 1930 if (err) 1931 return (err); 1932 1933 /* 1934 * Pipe isn't running (otherwise err would be USBD_INPROG), 1935 * so start it first. 1936 */ 1937 return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1938 } 1939 1940 usbd_status 1941 uhci_device_ctrl_start(usbd_xfer_handle xfer) 1942 { 1943 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 1944 usbd_status err; 1945 1946 if (sc->sc_dying) 1947 return (USBD_IOERROR); 1948 1949 #ifdef DIAGNOSTIC 1950 if (!(xfer->rqflags & URQ_REQUEST)) 1951 panic("uhci_device_ctrl_transfer: not a request\n"); 1952 #endif 1953 1954 err = uhci_device_request(xfer); 1955 if (err) 1956 return (err); 1957 1958 if (sc->sc_bus.use_polling) 1959 uhci_waitintr(sc, xfer); 1960 return (USBD_IN_PROGRESS); 1961 } 1962 1963 usbd_status 1964 uhci_device_intr_transfer(usbd_xfer_handle xfer) 1965 { 1966 usbd_status err; 1967 1968 /* Insert last in queue. */ 1969 err = usb_insert_transfer(xfer); 1970 if (err) 1971 return (err); 1972 1973 /* 1974 * Pipe isn't running (otherwise err would be USBD_INPROG), 1975 * so start it first. 1976 */ 1977 return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 1978 } 1979 1980 usbd_status 1981 uhci_device_intr_start(usbd_xfer_handle xfer) 1982 { 1983 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 1984 usbd_device_handle dev = upipe->pipe.device; 1985 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1986 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 1987 uhci_soft_td_t *data, *dataend; 1988 uhci_soft_qh_t *sqh; 1989 usbd_status err; 1990 int i, s; 1991 1992 if (sc->sc_dying) 1993 return (USBD_IOERROR); 1994 1995 DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", 1996 xfer, xfer->length, xfer->flags)); 1997 1998 #ifdef DIAGNOSTIC 1999 if (xfer->rqflags & URQ_REQUEST) 2000 panic("uhci_device_intr_transfer: a request\n"); 2001 #endif 2002 2003 err = uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2004 &xfer->dmabuf, &data, &dataend); 2005 if (err) 2006 return (err); 2007 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2008 2009 #ifdef UHCI_DEBUG 2010 if (uhcidebug > 10) { 2011 DPRINTF(("uhci_device_intr_transfer: data(1)\n")); 2012 uhci_dump_tds(data); 2013 uhci_dump_qh(upipe->u.intr.qhs[0]); 2014 } 2015 #endif 2016 2017 s = splusb(); 2018 /* Set up interrupt info. */ 2019 ii->xfer = xfer; 2020 ii->stdstart = data; 2021 ii->stdend = dataend; 2022 #ifdef DIAGNOSTIC 2023 if (!ii->isdone) { 2024 printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); 2025 } 2026 ii->isdone = 0; 2027 #endif 2028 2029 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 2030 upipe->u.intr.qhs[0])); 2031 for (i = 0; i < upipe->u.intr.npoll; i++) { 2032 sqh = upipe->u.intr.qhs[i]; 2033 sqh->elink = data; 2034 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 2035 } 2036 uhci_add_intr_info(sc, ii); 2037 xfer->status = USBD_IN_PROGRESS; 2038 splx(s); 2039 2040 #ifdef UHCI_DEBUG 2041 if (uhcidebug > 10) { 2042 DPRINTF(("uhci_device_intr_transfer: data(2)\n")); 2043 uhci_dump_tds(data); 2044 uhci_dump_qh(upipe->u.intr.qhs[0]); 2045 } 2046 #endif 2047 2048 return (USBD_IN_PROGRESS); 2049 } 2050 2051 /* Abort a device control request. */ 2052 void 2053 uhci_device_ctrl_abort(usbd_xfer_handle xfer) 2054 { 2055 DPRINTF(("uhci_device_ctrl_abort:\n")); 2056 uhci_abort_xfer(xfer, USBD_CANCELLED); 2057 } 2058 2059 /* Close a device control pipe. */ 2060 void 2061 uhci_device_ctrl_close(usbd_pipe_handle pipe) 2062 { 2063 } 2064 2065 /* Abort a device interrupt request. */ 2066 void 2067 uhci_device_intr_abort(usbd_xfer_handle xfer) 2068 { 2069 DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); 2070 if (xfer->pipe->intrxfer == xfer) { 2071 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 2072 xfer->pipe->intrxfer = 0; 2073 } 2074 uhci_abort_xfer(xfer, USBD_CANCELLED); 2075 } 2076 2077 /* Close a device interrupt pipe. */ 2078 void 2079 uhci_device_intr_close(usbd_pipe_handle pipe) 2080 { 2081 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2082 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2083 int i, npoll; 2084 int s; 2085 2086 /* Unlink descriptors from controller data structures. */ 2087 npoll = upipe->u.intr.npoll; 2088 s = splusb(); 2089 for (i = 0; i < npoll; i++) 2090 uhci_remove_intr(sc, upipe->u.intr.qhs[i]); 2091 splx(s); 2092 2093 /* 2094 * We now have to wait for any activity on the physical 2095 * descriptors to stop. 2096 */ 2097 usb_delay_ms(&sc->sc_bus, 2); 2098 2099 for(i = 0; i < npoll; i++) 2100 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 2101 free(upipe->u.intr.qhs, M_USBHC); 2102 2103 /* XXX free other resources */ 2104 } 2105 2106 usbd_status 2107 uhci_device_request(usbd_xfer_handle xfer) 2108 { 2109 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2110 usb_device_request_t *req = &xfer->request; 2111 usbd_device_handle dev = upipe->pipe.device; 2112 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2113 int addr = dev->address; 2114 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2115 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2116 uhci_soft_td_t *setup, *data, *stat, *next, *dataend; 2117 uhci_soft_qh_t *sqh; 2118 int len; 2119 u_int32_t ls; 2120 usbd_status err; 2121 int isread; 2122 int s; 2123 2124 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 2125 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 2126 req->bmRequestType, req->bRequest, UGETW(req->wValue), 2127 UGETW(req->wIndex), UGETW(req->wLength), 2128 addr, endpt)); 2129 2130 ls = dev->speed == USB_SPEED_LOW ? UHCI_TD_LS : 0; 2131 isread = req->bmRequestType & UT_READ; 2132 len = UGETW(req->wLength); 2133 2134 setup = upipe->u.ctl.setup; 2135 stat = upipe->u.ctl.stat; 2136 sqh = upipe->u.ctl.sqh; 2137 2138 /* Set up data transaction */ 2139 if (len != 0) { 2140 upipe->nexttoggle = 1; 2141 err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, 2142 &xfer->dmabuf, &data, &dataend); 2143 if (err) 2144 return (err); 2145 next = data; 2146 dataend->link.std = stat; 2147 dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2148 } else { 2149 next = stat; 2150 } 2151 upipe->u.ctl.length = len; 2152 2153 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 2154 2155 setup->link.std = next; 2156 setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); 2157 setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2158 UHCI_TD_ACTIVE); 2159 setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 2160 setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma)); 2161 2162 stat->link.std = NULL; 2163 stat->td.td_link = htole32(UHCI_PTR_T); 2164 stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | 2165 UHCI_TD_ACTIVE | UHCI_TD_IOC); 2166 stat->td.td_token = 2167 htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 2168 UHCI_TD_IN (0, endpt, addr, 1)); 2169 stat->td.td_buffer = htole32(0); 2170 2171 #ifdef UHCI_DEBUG 2172 if (uhcidebug > 10) { 2173 DPRINTF(("uhci_device_request: before transfer\n")); 2174 uhci_dump_tds(setup); 2175 } 2176 #endif 2177 2178 /* Set up interrupt info. */ 2179 ii->xfer = xfer; 2180 ii->stdstart = setup; 2181 ii->stdend = stat; 2182 #ifdef DIAGNOSTIC 2183 if (!ii->isdone) { 2184 printf("uhci_device_request: not done, ii=%p\n", ii); 2185 } 2186 ii->isdone = 0; 2187 #endif 2188 2189 sqh->elink = setup; 2190 sqh->qh.qh_elink = htole32(setup->physaddr | UHCI_PTR_TD); 2191 2192 s = splusb(); 2193 if (dev->speed == USB_SPEED_LOW) 2194 uhci_add_ls_ctrl(sc, sqh); 2195 else 2196 uhci_add_hs_ctrl(sc, sqh); 2197 uhci_add_intr_info(sc, ii); 2198 #ifdef UHCI_DEBUG 2199 if (uhcidebug > 12) { 2200 uhci_soft_td_t *std; 2201 uhci_soft_qh_t *xqh; 2202 uhci_soft_qh_t *sxqh; 2203 int maxqh = 0; 2204 uhci_physaddr_t link; 2205 DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); 2206 for (std = sc->sc_vframes[0].htd, link = 0; 2207 (link & UHCI_PTR_QH) == 0; 2208 std = std->link.std) { 2209 link = le32toh(std->td.td_link); 2210 uhci_dump_td(std); 2211 } 2212 sxqh = (uhci_soft_qh_t *)std; 2213 uhci_dump_qh(sxqh); 2214 for (xqh = sxqh; 2215 xqh != NULL; 2216 xqh = (maxqh++ == 5 || xqh->hlink == sxqh || 2217 xqh->hlink == xqh ? NULL : xqh->hlink)) { 2218 uhci_dump_qh(xqh); 2219 } 2220 DPRINTF(("Enqueued QH:\n")); 2221 uhci_dump_qh(sqh); 2222 uhci_dump_tds(sqh->elink); 2223 } 2224 #endif 2225 if (xfer->timeout && !sc->sc_bus.use_polling) { 2226 usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), 2227 uhci_timeout, ii); 2228 } 2229 xfer->status = USBD_IN_PROGRESS; 2230 splx(s); 2231 2232 return (USBD_NORMAL_COMPLETION); 2233 } 2234 2235 usbd_status 2236 uhci_device_isoc_transfer(usbd_xfer_handle xfer) 2237 { 2238 usbd_status err; 2239 2240 DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); 2241 2242 /* Put it on our queue, */ 2243 err = usb_insert_transfer(xfer); 2244 2245 /* bail out on error, */ 2246 if (err && err != USBD_IN_PROGRESS) 2247 return (err); 2248 2249 /* XXX should check inuse here */ 2250 2251 /* insert into schedule, */ 2252 uhci_device_isoc_enter(xfer); 2253 2254 /* and start if the pipe wasn't running */ 2255 if (!err) 2256 uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); 2257 2258 return (err); 2259 } 2260 2261 void 2262 uhci_device_isoc_enter(usbd_xfer_handle xfer) 2263 { 2264 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2265 usbd_device_handle dev = upipe->pipe.device; 2266 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2267 struct iso *iso = &upipe->u.iso; 2268 uhci_soft_td_t *std; 2269 u_int32_t buf, len, status; 2270 int s, i, next, nframes; 2271 2272 DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " 2273 "nframes=%d\n", 2274 iso->inuse, iso->next, xfer, xfer->nframes)); 2275 2276 if (sc->sc_dying) 2277 return; 2278 2279 if (xfer->status == USBD_IN_PROGRESS) { 2280 /* This request has already been entered into the frame list */ 2281 printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); 2282 /* XXX */ 2283 } 2284 2285 #ifdef DIAGNOSTIC 2286 if (iso->inuse >= UHCI_VFRAMELIST_COUNT) 2287 printf("uhci_device_isoc_enter: overflow!\n"); 2288 #endif 2289 2290 next = iso->next; 2291 if (next == -1) { 2292 /* Not in use yet, schedule it a few frames ahead. */ 2293 next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; 2294 DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); 2295 } 2296 2297 xfer->status = USBD_IN_PROGRESS; 2298 UXFER(xfer)->curframe = next; 2299 2300 buf = DMAADDR(&xfer->dmabuf); 2301 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | 2302 UHCI_TD_ACTIVE | 2303 UHCI_TD_IOS); 2304 nframes = xfer->nframes; 2305 s = splusb(); 2306 for (i = 0; i < nframes; i++) { 2307 std = iso->stds[next]; 2308 if (++next >= UHCI_VFRAMELIST_COUNT) 2309 next = 0; 2310 len = xfer->frlengths[i]; 2311 std->td.td_buffer = htole32(buf); 2312 if (i == nframes - 1) 2313 status |= UHCI_TD_IOC; 2314 std->td.td_status = htole32(status); 2315 std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); 2316 std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); 2317 #ifdef UHCI_DEBUG 2318 if (uhcidebug > 5) { 2319 DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); 2320 uhci_dump_td(std); 2321 } 2322 #endif 2323 buf += len; 2324 } 2325 iso->next = next; 2326 iso->inuse += xfer->nframes; 2327 2328 splx(s); 2329 } 2330 2331 usbd_status 2332 uhci_device_isoc_start(usbd_xfer_handle xfer) 2333 { 2334 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2335 uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; 2336 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2337 uhci_soft_td_t *end; 2338 int s, i; 2339 2340 DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); 2341 2342 if (sc->sc_dying) 2343 return (USBD_IOERROR); 2344 2345 #ifdef DIAGNOSTIC 2346 if (xfer->status != USBD_IN_PROGRESS) 2347 printf("uhci_device_isoc_start: not in progress %p\n", xfer); 2348 #endif 2349 2350 /* Find the last TD */ 2351 i = UXFER(xfer)->curframe + xfer->nframes; 2352 if (i >= UHCI_VFRAMELIST_COUNT) 2353 i -= UHCI_VFRAMELIST_COUNT; 2354 end = upipe->u.iso.stds[i]; 2355 2356 #ifdef DIAGNOSTIC 2357 if (end == NULL) { 2358 printf("uhci_device_isoc_start: end == NULL\n"); 2359 return (USBD_INVAL); 2360 } 2361 #endif 2362 2363 s = splusb(); 2364 2365 /* Set up interrupt info. */ 2366 ii->xfer = xfer; 2367 ii->stdstart = end; 2368 ii->stdend = end; 2369 #ifdef DIAGNOSTIC 2370 if (!ii->isdone) 2371 printf("uhci_device_isoc_start: not done, ii=%p\n", ii); 2372 ii->isdone = 0; 2373 #endif 2374 uhci_add_intr_info(sc, ii); 2375 2376 splx(s); 2377 2378 return (USBD_IN_PROGRESS); 2379 } 2380 2381 void 2382 uhci_device_isoc_abort(usbd_xfer_handle xfer) 2383 { 2384 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2385 uhci_soft_td_t **stds = upipe->u.iso.stds; 2386 uhci_soft_td_t *std; 2387 int i, n, s, nframes, maxlen, len; 2388 2389 s = splusb(); 2390 2391 /* Transfer is already done. */ 2392 if (xfer->status != USBD_NOT_STARTED && 2393 xfer->status != USBD_IN_PROGRESS) { 2394 splx(s); 2395 return; 2396 } 2397 2398 /* Give xfer the requested abort code. */ 2399 xfer->status = USBD_CANCELLED; 2400 2401 /* make hardware ignore it, */ 2402 nframes = xfer->nframes; 2403 n = UXFER(xfer)->curframe; 2404 maxlen = 0; 2405 for (i = 0; i < nframes; i++) { 2406 std = stds[n]; 2407 std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); 2408 len = UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token)); 2409 if (len > maxlen) 2410 maxlen = len; 2411 if (++n >= UHCI_VFRAMELIST_COUNT) 2412 n = 0; 2413 } 2414 2415 /* and wait until we are sure the hardware has finished. */ 2416 delay(maxlen); 2417 2418 #ifdef DIAGNOSTIC 2419 UXFER(xfer)->iinfo.isdone = 1; 2420 #endif 2421 /* Run callback and remove from interrupt list. */ 2422 usb_transfer_complete(xfer); 2423 2424 splx(s); 2425 } 2426 2427 void 2428 uhci_device_isoc_close(usbd_pipe_handle pipe) 2429 { 2430 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2431 usbd_device_handle dev = upipe->pipe.device; 2432 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2433 uhci_soft_td_t *std, *vstd; 2434 struct iso *iso; 2435 int i, s; 2436 2437 /* 2438 * Make sure all TDs are marked as inactive. 2439 * Wait for completion. 2440 * Unschedule. 2441 * Deallocate. 2442 */ 2443 iso = &upipe->u.iso; 2444 2445 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 2446 iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); 2447 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 2448 2449 s = splusb(); 2450 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2451 std = iso->stds[i]; 2452 for (vstd = sc->sc_vframes[i].htd; 2453 vstd != NULL && vstd->link.std != std; 2454 vstd = vstd->link.std) 2455 ; 2456 if (vstd == NULL) { 2457 /*panic*/ 2458 printf("uhci_device_isoc_close: %p not found\n", std); 2459 splx(s); 2460 return; 2461 } 2462 vstd->link = std->link; 2463 vstd->td.td_link = std->td.td_link; 2464 uhci_free_std(sc, std); 2465 } 2466 splx(s); 2467 2468 free(iso->stds, M_USBHC); 2469 } 2470 2471 usbd_status 2472 uhci_setup_isoc(usbd_pipe_handle pipe) 2473 { 2474 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2475 usbd_device_handle dev = upipe->pipe.device; 2476 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 2477 int addr = upipe->pipe.device->address; 2478 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 2479 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 2480 uhci_soft_td_t *std, *vstd; 2481 u_int32_t token; 2482 struct iso *iso; 2483 int i, s; 2484 2485 iso = &upipe->u.iso; 2486 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 2487 M_USBHC, M_WAITOK); 2488 2489 token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : 2490 UHCI_TD_OUT(0, endpt, addr, 0); 2491 2492 /* Allocate the TDs and mark as inactive; */ 2493 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2494 std = uhci_alloc_std(sc); 2495 if (std == 0) 2496 goto bad; 2497 std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ 2498 std->td.td_token = htole32(token); 2499 iso->stds[i] = std; 2500 } 2501 2502 /* Insert TDs into schedule. */ 2503 s = splusb(); 2504 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 2505 std = iso->stds[i]; 2506 vstd = sc->sc_vframes[i].htd; 2507 std->link = vstd->link; 2508 std->td.td_link = vstd->td.td_link; 2509 vstd->link.std = std; 2510 vstd->td.td_link = htole32(std->physaddr | UHCI_PTR_TD); 2511 } 2512 splx(s); 2513 2514 iso->next = -1; 2515 iso->inuse = 0; 2516 2517 return (USBD_NORMAL_COMPLETION); 2518 2519 bad: 2520 while (--i >= 0) 2521 uhci_free_std(sc, iso->stds[i]); 2522 free(iso->stds, M_USBHC); 2523 return (USBD_NOMEM); 2524 } 2525 2526 void 2527 uhci_device_isoc_done(usbd_xfer_handle xfer) 2528 { 2529 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2530 2531 DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); 2532 2533 if (ii->xfer != xfer) 2534 /* Not on interrupt list, ignore it. */ 2535 return; 2536 2537 #ifdef DIAGNOSTIC 2538 if (xfer->busy_free != XFER_BUSY) { 2539 printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", 2540 xfer, xfer->busy_free); 2541 return; 2542 } 2543 2544 if (ii->stdend == NULL) { 2545 printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); 2546 #ifdef UHCI_DEBUG 2547 uhci_dump_ii(ii); 2548 #endif 2549 return; 2550 } 2551 #endif 2552 2553 /* Turn off the interrupt since it is active even if the TD is not. */ 2554 ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); 2555 2556 uhci_del_intr_info(ii); /* remove from active list */ 2557 } 2558 2559 void 2560 uhci_device_intr_done(usbd_xfer_handle xfer) 2561 { 2562 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2563 uhci_softc_t *sc = ii->sc; 2564 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2565 uhci_soft_qh_t *sqh; 2566 int i, npoll; 2567 2568 DPRINTFN(5, ("uhci_intr_done: length=%d\n", xfer->actlen)); 2569 2570 npoll = upipe->u.intr.npoll; 2571 for(i = 0; i < npoll; i++) { 2572 sqh = upipe->u.intr.qhs[i]; 2573 sqh->elink = NULL; 2574 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2575 } 2576 uhci_free_std_chain(sc, ii->stdstart, 0); 2577 2578 /* XXX Wasteful. */ 2579 if (xfer->pipe->repeat) { 2580 uhci_soft_td_t *data, *dataend; 2581 2582 DPRINTFN(5,("uhci_device_intr_done: requeing\n")); 2583 2584 /* This alloc cannot fail since we freed the chain above. */ 2585 uhci_alloc_std_chain(upipe, sc, xfer->length, 1, xfer->flags, 2586 &xfer->dmabuf, &data, &dataend); 2587 dataend->td.td_status |= htole32(UHCI_TD_IOC); 2588 2589 #ifdef UHCI_DEBUG 2590 if (uhcidebug > 10) { 2591 DPRINTF(("uhci_device_intr_done: data(1)\n")); 2592 uhci_dump_tds(data); 2593 uhci_dump_qh(upipe->u.intr.qhs[0]); 2594 } 2595 #endif 2596 2597 ii->stdstart = data; 2598 ii->stdend = dataend; 2599 #ifdef DIAGNOSTIC 2600 if (!ii->isdone) { 2601 printf("uhci_device_intr_done: not done, ii=%p\n", ii); 2602 } 2603 ii->isdone = 0; 2604 #endif 2605 for (i = 0; i < npoll; i++) { 2606 sqh = upipe->u.intr.qhs[i]; 2607 sqh->elink = data; 2608 sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); 2609 } 2610 xfer->status = USBD_IN_PROGRESS; 2611 /* The ii is already on the examined list, just leave it. */ 2612 } else { 2613 DPRINTFN(5,("uhci_device_intr_done: removing\n")); 2614 uhci_del_intr_info(ii); 2615 } 2616 } 2617 2618 /* Deallocate request data structures */ 2619 void 2620 uhci_device_ctrl_done(usbd_xfer_handle xfer) 2621 { 2622 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2623 uhci_softc_t *sc = ii->sc; 2624 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2625 2626 #ifdef DIAGNOSTIC 2627 if (!(xfer->rqflags & URQ_REQUEST)) 2628 panic("uhci_ctrl_done: not a request\n"); 2629 #endif 2630 2631 uhci_del_intr_info(ii); /* remove from active list */ 2632 2633 if (upipe->pipe.device->speed == USB_SPEED_LOW) 2634 uhci_remove_ls_ctrl(sc, upipe->u.ctl.sqh); 2635 else 2636 uhci_remove_hs_ctrl(sc, upipe->u.ctl.sqh); 2637 2638 if (upipe->u.ctl.length != 0) 2639 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2640 2641 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", xfer->actlen)); 2642 } 2643 2644 /* Deallocate request data structures */ 2645 void 2646 uhci_device_bulk_done(usbd_xfer_handle xfer) 2647 { 2648 uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; 2649 uhci_softc_t *sc = ii->sc; 2650 struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; 2651 2652 uhci_del_intr_info(ii); /* remove from active list */ 2653 2654 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2655 2656 uhci_free_std_chain(sc, ii->stdstart, 0); 2657 2658 DPRINTFN(5, ("uhci_bulk_done: length=%d\n", xfer->actlen)); 2659 } 2660 2661 /* Add interrupt QH, called with vflock. */ 2662 void 2663 uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2664 { 2665 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2666 uhci_soft_qh_t *eqh; 2667 2668 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2669 2670 eqh = vf->eqh; 2671 sqh->hlink = eqh->hlink; 2672 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2673 eqh->hlink = sqh; 2674 eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); 2675 vf->eqh = sqh; 2676 vf->bandwidth++; 2677 } 2678 2679 /* Remove interrupt QH. */ 2680 void 2681 uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) 2682 { 2683 struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; 2684 uhci_soft_qh_t *pqh; 2685 2686 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); 2687 2688 /* See comment in uhci_remove_ctrl() */ 2689 if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { 2690 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2691 delay(UHCI_QH_REMOVE_DELAY); 2692 } 2693 2694 pqh = uhci_find_prev_qh(vf->hqh, sqh); 2695 pqh->hlink = sqh->hlink; 2696 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2697 delay(UHCI_QH_REMOVE_DELAY); 2698 if (vf->eqh == sqh) 2699 vf->eqh = pqh; 2700 vf->bandwidth--; 2701 } 2702 2703 usbd_status 2704 uhci_device_setintr(uhci_softc_t *sc, struct uhci_pipe *upipe, int ival) 2705 { 2706 uhci_soft_qh_t *sqh; 2707 int i, npoll, s; 2708 u_int bestbw, bw, bestoffs, offs; 2709 2710 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2711 if (ival == 0) { 2712 printf("uhci_setintr: 0 interval\n"); 2713 return (USBD_INVAL); 2714 } 2715 2716 if (ival > UHCI_VFRAMELIST_COUNT) 2717 ival = UHCI_VFRAMELIST_COUNT; 2718 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2719 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2720 2721 upipe->u.intr.npoll = npoll; 2722 upipe->u.intr.qhs = 2723 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2724 2725 /* 2726 * Figure out which offset in the schedule that has most 2727 * bandwidth left over. 2728 */ 2729 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2730 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2731 for (bw = i = 0; i < npoll; i++) 2732 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2733 if (bw < bestbw) { 2734 bestbw = bw; 2735 bestoffs = offs; 2736 } 2737 } 2738 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2739 2740 for(i = 0; i < npoll; i++) { 2741 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2742 sqh->elink = NULL; 2743 sqh->qh.qh_elink = htole32(UHCI_PTR_T); 2744 sqh->pos = MOD(i * ival + bestoffs); 2745 } 2746 #undef MOD 2747 2748 s = splusb(); 2749 /* Enter QHs into the controller data structures. */ 2750 for(i = 0; i < npoll; i++) 2751 uhci_add_intr(sc, upipe->u.intr.qhs[i]); 2752 splx(s); 2753 2754 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2755 return (USBD_NORMAL_COMPLETION); 2756 } 2757 2758 /* Open a new pipe. */ 2759 usbd_status 2760 uhci_open(usbd_pipe_handle pipe) 2761 { 2762 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2763 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2764 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2765 usbd_status err; 2766 int ival; 2767 2768 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2769 pipe, pipe->device->address, 2770 ed->bEndpointAddress, sc->sc_addr)); 2771 2772 upipe->aborting = 0; 2773 upipe->nexttoggle = 0; 2774 2775 if (pipe->device->address == sc->sc_addr) { 2776 switch (ed->bEndpointAddress) { 2777 case USB_CONTROL_ENDPOINT: 2778 pipe->methods = &uhci_root_ctrl_methods; 2779 break; 2780 case UE_DIR_IN | UHCI_INTR_ENDPT: 2781 pipe->methods = &uhci_root_intr_methods; 2782 break; 2783 default: 2784 return (USBD_INVAL); 2785 } 2786 } else { 2787 switch (ed->bmAttributes & UE_XFERTYPE) { 2788 case UE_CONTROL: 2789 pipe->methods = &uhci_device_ctrl_methods; 2790 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2791 if (upipe->u.ctl.sqh == NULL) 2792 goto bad; 2793 upipe->u.ctl.setup = uhci_alloc_std(sc); 2794 if (upipe->u.ctl.setup == NULL) { 2795 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2796 goto bad; 2797 } 2798 upipe->u.ctl.stat = uhci_alloc_std(sc); 2799 if (upipe->u.ctl.stat == NULL) { 2800 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2801 uhci_free_std(sc, upipe->u.ctl.setup); 2802 goto bad; 2803 } 2804 err = usb_allocmem(&sc->sc_bus, 2805 sizeof(usb_device_request_t), 2806 0, &upipe->u.ctl.reqdma); 2807 if (err) { 2808 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2809 uhci_free_std(sc, upipe->u.ctl.setup); 2810 uhci_free_std(sc, upipe->u.ctl.stat); 2811 goto bad; 2812 } 2813 break; 2814 case UE_INTERRUPT: 2815 pipe->methods = &uhci_device_intr_methods; 2816 ival = pipe->interval; 2817 if (ival == USBD_DEFAULT_INTERVAL) 2818 ival = ed->bInterval; 2819 return (uhci_device_setintr(sc, upipe, ival)); 2820 case UE_ISOCHRONOUS: 2821 pipe->methods = &uhci_device_isoc_methods; 2822 return (uhci_setup_isoc(pipe)); 2823 case UE_BULK: 2824 pipe->methods = &uhci_device_bulk_methods; 2825 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2826 if (upipe->u.bulk.sqh == NULL) 2827 goto bad; 2828 break; 2829 } 2830 } 2831 return (USBD_NORMAL_COMPLETION); 2832 2833 bad: 2834 return (USBD_NOMEM); 2835 } 2836 2837 /* 2838 * Data structures and routines to emulate the root hub. 2839 */ 2840 usb_device_descriptor_t uhci_devd = { 2841 USB_DEVICE_DESCRIPTOR_SIZE, 2842 UDESC_DEVICE, /* type */ 2843 {0x00, 0x01}, /* USB version */ 2844 UDCLASS_HUB, /* class */ 2845 UDSUBCLASS_HUB, /* subclass */ 2846 UDPROTO_FSHUB, /* protocol */ 2847 64, /* max packet */ 2848 {0},{0},{0x00,0x01}, /* device id */ 2849 1,2,0, /* string indicies */ 2850 1 /* # of configurations */ 2851 }; 2852 2853 usb_config_descriptor_t uhci_confd = { 2854 USB_CONFIG_DESCRIPTOR_SIZE, 2855 UDESC_CONFIG, 2856 {USB_CONFIG_DESCRIPTOR_SIZE + 2857 USB_INTERFACE_DESCRIPTOR_SIZE + 2858 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2859 1, 2860 1, 2861 0, 2862 UC_SELF_POWERED, 2863 0 /* max power */ 2864 }; 2865 2866 usb_interface_descriptor_t uhci_ifcd = { 2867 USB_INTERFACE_DESCRIPTOR_SIZE, 2868 UDESC_INTERFACE, 2869 0, 2870 0, 2871 1, 2872 UICLASS_HUB, 2873 UISUBCLASS_HUB, 2874 UIPROTO_FSHUB, 2875 0 2876 }; 2877 2878 usb_endpoint_descriptor_t uhci_endpd = { 2879 USB_ENDPOINT_DESCRIPTOR_SIZE, 2880 UDESC_ENDPOINT, 2881 UE_DIR_IN | UHCI_INTR_ENDPT, 2882 UE_INTERRUPT, 2883 {8}, 2884 255 2885 }; 2886 2887 usb_hub_descriptor_t uhci_hubd_piix = { 2888 USB_HUB_DESCRIPTOR_SIZE, 2889 UDESC_HUB, 2890 2, 2891 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2892 50, /* power on to power good */ 2893 0, 2894 { 0x00 }, /* both ports are removable */ 2895 }; 2896 2897 int 2898 uhci_str(usb_string_descriptor_t *p, int l, char *s) 2899 { 2900 int i; 2901 2902 if (l == 0) 2903 return (0); 2904 p->bLength = 2 * strlen(s) + 2; 2905 if (l == 1) 2906 return (1); 2907 p->bDescriptorType = UDESC_STRING; 2908 l -= 2; 2909 for (i = 0; s[i] && l > 1; i++, l -= 2) 2910 USETW2(p->bString[i], 0, s[i]); 2911 return (2*i+2); 2912 } 2913 2914 /* 2915 * Simulate a hardware hub by handling all the necessary requests. 2916 */ 2917 usbd_status 2918 uhci_root_ctrl_transfer(usbd_xfer_handle xfer) 2919 { 2920 usbd_status err; 2921 2922 /* Insert last in queue. */ 2923 err = usb_insert_transfer(xfer); 2924 if (err) 2925 return (err); 2926 2927 /* 2928 * Pipe isn't running (otherwise err would be USBD_INPROG), 2929 * so start it first. 2930 */ 2931 return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 2932 } 2933 2934 usbd_status 2935 uhci_root_ctrl_start(usbd_xfer_handle xfer) 2936 { 2937 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 2938 usb_device_request_t *req; 2939 void *buf = NULL; 2940 int port, x; 2941 int s, len, value, index, status, change, l, totlen = 0; 2942 usb_port_status_t ps; 2943 usbd_status err; 2944 2945 if (sc->sc_dying) 2946 return (USBD_IOERROR); 2947 2948 #ifdef DIAGNOSTIC 2949 if (!(xfer->rqflags & URQ_REQUEST)) 2950 panic("uhci_root_ctrl_transfer: not a request\n"); 2951 #endif 2952 req = &xfer->request; 2953 2954 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2955 req->bmRequestType, req->bRequest)); 2956 2957 len = UGETW(req->wLength); 2958 value = UGETW(req->wValue); 2959 index = UGETW(req->wIndex); 2960 2961 if (len != 0) 2962 buf = KERNADDR(&xfer->dmabuf); 2963 2964 #define C(x,y) ((x) | ((y) << 8)) 2965 switch(C(req->bRequest, req->bmRequestType)) { 2966 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2967 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2968 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2969 /* 2970 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2971 * for the integrated root hub. 2972 */ 2973 break; 2974 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2975 if (len > 0) { 2976 *(u_int8_t *)buf = sc->sc_conf; 2977 totlen = 1; 2978 } 2979 break; 2980 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2981 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2982 switch(value >> 8) { 2983 case UDESC_DEVICE: 2984 if ((value & 0xff) != 0) { 2985 err = USBD_IOERROR; 2986 goto ret; 2987 } 2988 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2989 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2990 memcpy(buf, &uhci_devd, l); 2991 break; 2992 case UDESC_CONFIG: 2993 if ((value & 0xff) != 0) { 2994 err = USBD_IOERROR; 2995 goto ret; 2996 } 2997 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2998 memcpy(buf, &uhci_confd, l); 2999 buf = (char *)buf + l; 3000 len -= l; 3001 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 3002 totlen += l; 3003 memcpy(buf, &uhci_ifcd, l); 3004 buf = (char *)buf + l; 3005 len -= l; 3006 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 3007 totlen += l; 3008 memcpy(buf, &uhci_endpd, l); 3009 break; 3010 case UDESC_STRING: 3011 if (len == 0) 3012 break; 3013 *(u_int8_t *)buf = 0; 3014 totlen = 1; 3015 switch (value & 0xff) { 3016 case 1: /* Vendor */ 3017 totlen = uhci_str(buf, len, sc->sc_vendor); 3018 break; 3019 case 2: /* Product */ 3020 totlen = uhci_str(buf, len, "UHCI root hub"); 3021 break; 3022 } 3023 break; 3024 default: 3025 err = USBD_IOERROR; 3026 goto ret; 3027 } 3028 break; 3029 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 3030 if (len > 0) { 3031 *(u_int8_t *)buf = 0; 3032 totlen = 1; 3033 } 3034 break; 3035 case C(UR_GET_STATUS, UT_READ_DEVICE): 3036 if (len > 1) { 3037 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 3038 totlen = 2; 3039 } 3040 break; 3041 case C(UR_GET_STATUS, UT_READ_INTERFACE): 3042 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 3043 if (len > 1) { 3044 USETW(((usb_status_t *)buf)->wStatus, 0); 3045 totlen = 2; 3046 } 3047 break; 3048 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 3049 if (value >= USB_MAX_DEVICES) { 3050 err = USBD_IOERROR; 3051 goto ret; 3052 } 3053 sc->sc_addr = value; 3054 break; 3055 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 3056 if (value != 0 && value != 1) { 3057 err = USBD_IOERROR; 3058 goto ret; 3059 } 3060 sc->sc_conf = value; 3061 break; 3062 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 3063 break; 3064 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 3065 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 3066 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 3067 err = USBD_IOERROR; 3068 goto ret; 3069 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 3070 break; 3071 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 3072 break; 3073 /* Hub requests */ 3074 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 3075 break; 3076 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 3077 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 3078 "port=%d feature=%d\n", 3079 index, value)); 3080 if (index == 1) 3081 port = UHCI_PORTSC1; 3082 else if (index == 2) 3083 port = UHCI_PORTSC2; 3084 else { 3085 err = USBD_IOERROR; 3086 goto ret; 3087 } 3088 switch(value) { 3089 case UHF_PORT_ENABLE: 3090 x = URWMASK(UREAD2(sc, port)); 3091 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 3092 break; 3093 case UHF_PORT_SUSPEND: 3094 x = URWMASK(UREAD2(sc, port)); 3095 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 3096 break; 3097 case UHF_PORT_RESET: 3098 x = URWMASK(UREAD2(sc, port)); 3099 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3100 break; 3101 case UHF_C_PORT_CONNECTION: 3102 x = URWMASK(UREAD2(sc, port)); 3103 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 3104 break; 3105 case UHF_C_PORT_ENABLE: 3106 x = URWMASK(UREAD2(sc, port)); 3107 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 3108 break; 3109 case UHF_C_PORT_OVER_CURRENT: 3110 x = URWMASK(UREAD2(sc, port)); 3111 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 3112 break; 3113 case UHF_C_PORT_RESET: 3114 sc->sc_isreset = 0; 3115 err = USBD_NORMAL_COMPLETION; 3116 goto ret; 3117 case UHF_PORT_CONNECTION: 3118 case UHF_PORT_OVER_CURRENT: 3119 case UHF_PORT_POWER: 3120 case UHF_PORT_LOW_SPEED: 3121 case UHF_C_PORT_SUSPEND: 3122 default: 3123 err = USBD_IOERROR; 3124 goto ret; 3125 } 3126 break; 3127 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 3128 if (index == 1) 3129 port = UHCI_PORTSC1; 3130 else if (index == 2) 3131 port = UHCI_PORTSC2; 3132 else { 3133 err = USBD_IOERROR; 3134 goto ret; 3135 } 3136 if (len > 0) { 3137 *(u_int8_t *)buf = 3138 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 3139 UHCI_PORTSC_LS_SHIFT; 3140 totlen = 1; 3141 } 3142 break; 3143 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 3144 if (value != 0) { 3145 err = USBD_IOERROR; 3146 goto ret; 3147 } 3148 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 3149 totlen = l; 3150 memcpy(buf, &uhci_hubd_piix, l); 3151 break; 3152 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 3153 if (len != 4) { 3154 err = USBD_IOERROR; 3155 goto ret; 3156 } 3157 memset(buf, 0, len); 3158 totlen = len; 3159 break; 3160 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 3161 if (index == 1) 3162 port = UHCI_PORTSC1; 3163 else if (index == 2) 3164 port = UHCI_PORTSC2; 3165 else { 3166 err = USBD_IOERROR; 3167 goto ret; 3168 } 3169 if (len != 4) { 3170 err = USBD_IOERROR; 3171 goto ret; 3172 } 3173 x = UREAD2(sc, port); 3174 status = change = 0; 3175 if (x & UHCI_PORTSC_CCS) 3176 status |= UPS_CURRENT_CONNECT_STATUS; 3177 if (x & UHCI_PORTSC_CSC) 3178 change |= UPS_C_CONNECT_STATUS; 3179 if (x & UHCI_PORTSC_PE) 3180 status |= UPS_PORT_ENABLED; 3181 if (x & UHCI_PORTSC_POEDC) 3182 change |= UPS_C_PORT_ENABLED; 3183 if (x & UHCI_PORTSC_OCI) 3184 status |= UPS_OVERCURRENT_INDICATOR; 3185 if (x & UHCI_PORTSC_OCIC) 3186 change |= UPS_C_OVERCURRENT_INDICATOR; 3187 if (x & UHCI_PORTSC_SUSP) 3188 status |= UPS_SUSPEND; 3189 if (x & UHCI_PORTSC_LSDA) 3190 status |= UPS_LOW_SPEED; 3191 status |= UPS_PORT_POWER; 3192 if (sc->sc_isreset) 3193 change |= UPS_C_PORT_RESET; 3194 USETW(ps.wPortStatus, status); 3195 USETW(ps.wPortChange, change); 3196 l = min(len, sizeof ps); 3197 memcpy(buf, &ps, l); 3198 totlen = l; 3199 break; 3200 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 3201 err = USBD_IOERROR; 3202 goto ret; 3203 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 3204 break; 3205 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 3206 if (index == 1) 3207 port = UHCI_PORTSC1; 3208 else if (index == 2) 3209 port = UHCI_PORTSC2; 3210 else { 3211 err = USBD_IOERROR; 3212 goto ret; 3213 } 3214 switch(value) { 3215 case UHF_PORT_ENABLE: 3216 x = URWMASK(UREAD2(sc, port)); 3217 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3218 break; 3219 case UHF_PORT_SUSPEND: 3220 x = URWMASK(UREAD2(sc, port)); 3221 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 3222 break; 3223 case UHF_PORT_RESET: 3224 x = URWMASK(UREAD2(sc, port)); 3225 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 3226 usb_delay_ms(&sc->sc_bus, USB_PORT_ROOT_RESET_DELAY); 3227 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 3228 delay(100); 3229 x = UREAD2(sc, port); 3230 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 3231 usb_delay_ms(&sc->sc_bus, 10); /* XXX */ 3232 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 3233 index, UREAD2(sc, port))); 3234 sc->sc_isreset = 1; 3235 break; 3236 case UHF_PORT_POWER: 3237 /* Pretend we turned on power */ 3238 err = USBD_NORMAL_COMPLETION; 3239 goto ret; 3240 case UHF_C_PORT_CONNECTION: 3241 case UHF_C_PORT_ENABLE: 3242 case UHF_C_PORT_OVER_CURRENT: 3243 case UHF_PORT_CONNECTION: 3244 case UHF_PORT_OVER_CURRENT: 3245 case UHF_PORT_LOW_SPEED: 3246 case UHF_C_PORT_SUSPEND: 3247 case UHF_C_PORT_RESET: 3248 default: 3249 err = USBD_IOERROR; 3250 goto ret; 3251 } 3252 break; 3253 default: 3254 err = USBD_IOERROR; 3255 goto ret; 3256 } 3257 xfer->actlen = totlen; 3258 err = USBD_NORMAL_COMPLETION; 3259 ret: 3260 xfer->status = err; 3261 s = splusb(); 3262 usb_transfer_complete(xfer); 3263 splx(s); 3264 return (USBD_IN_PROGRESS); 3265 } 3266 3267 /* Abort a root control request. */ 3268 void 3269 uhci_root_ctrl_abort(usbd_xfer_handle xfer) 3270 { 3271 /* Nothing to do, all transfers are synchronous. */ 3272 } 3273 3274 /* Close the root pipe. */ 3275 void 3276 uhci_root_ctrl_close(usbd_pipe_handle pipe) 3277 { 3278 DPRINTF(("uhci_root_ctrl_close\n")); 3279 } 3280 3281 /* Abort a root interrupt request. */ 3282 void 3283 uhci_root_intr_abort(usbd_xfer_handle xfer) 3284 { 3285 uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; 3286 3287 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); 3288 sc->sc_intr_xfer = NULL; 3289 3290 if (xfer->pipe->intrxfer == xfer) { 3291 DPRINTF(("uhci_root_intr_abort: remove\n")); 3292 xfer->pipe->intrxfer = 0; 3293 } 3294 xfer->status = USBD_CANCELLED; 3295 #ifdef DIAGNOSTIC 3296 UXFER(xfer)->iinfo.isdone = 1; 3297 #endif 3298 usb_transfer_complete(xfer); 3299 } 3300 3301 usbd_status 3302 uhci_root_intr_transfer(usbd_xfer_handle xfer) 3303 { 3304 usbd_status err; 3305 3306 /* Insert last in queue. */ 3307 err = usb_insert_transfer(xfer); 3308 if (err) 3309 return (err); 3310 3311 /* Pipe isn't running (otherwise err would be USBD_INPROG), 3312 * start first 3313 */ 3314 return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); 3315 } 3316 3317 /* Start a transfer on the root interrupt pipe */ 3318 usbd_status 3319 uhci_root_intr_start(usbd_xfer_handle xfer) 3320 { 3321 usbd_pipe_handle pipe = xfer->pipe; 3322 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3323 3324 DPRINTFN(3, ("uhci_root_intr_transfer: xfer=%p len=%d flags=%d\n", 3325 xfer, xfer->length, xfer->flags)); 3326 3327 if (sc->sc_dying) 3328 return (USBD_IOERROR); 3329 3330 sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); 3331 usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); 3332 sc->sc_intr_xfer = xfer; 3333 return (USBD_IN_PROGRESS); 3334 } 3335 3336 /* Close the root interrupt pipe. */ 3337 void 3338 uhci_root_intr_close(usbd_pipe_handle pipe) 3339 { 3340 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 3341 3342 usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); 3343 sc->sc_intr_xfer = NULL; 3344 DPRINTF(("uhci_root_intr_close\n")); 3345 } 3346
Indexes created Tue Sep 23 02:09:52 GMT 2025