uhci.c revision 1.17
1 /* $NetBSD: uhci.c,v 1.17 1998/12/28 21:05:47 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (augustss (at) carlstedt.se) at 9 * Carlstedt Research & Technology. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * USB Universal Host Controller driver. 42 * Handles PIIX3 and PIIX4. 43 * 44 * Data sheets: ftp://download.intel.com/design/intarch/datashts/29055002.pdf 45 * ftp://download.intel.com/design/intarch/datashts/29056201.pdf 46 * UHCI spec: http://www.intel.com/design/usb/uhci11d.pdf 47 * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl 48 */ 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/kernel.h> 53 #include <sys/malloc.h> 54 #if defined(__NetBSD__) 55 #include <sys/device.h> 56 #elif defined(__FreeBSD__) 57 #include <sys/module.h> 58 #include <sys/bus.h> 59 #endif 60 #include <sys/proc.h> 61 #include <sys/queue.h> 62 #include <sys/select.h> 63 64 #include <machine/bus.h> 65 66 #include <dev/usb/usb.h> 67 #include <dev/usb/usbdi.h> 68 #include <dev/usb/usbdivar.h> 69 #include <dev/usb/usb_mem.h> 70 #include <dev/usb/usb_quirks.h> 71 72 #include <dev/usb/uhcireg.h> 73 #include <dev/usb/uhcivar.h> 74 75 #if defined(__FreeBSD__) 76 #include <machine/clock.h> 77 #include "dev/usb/queue.addendum.h" 78 79 #define delay(d) DELAY(d) 80 #endif 81 82 #define MS_TO_TICKS(ms) ((ms) * hz / 1000) 83 84 struct uhci_pipe { 85 struct usbd_pipe pipe; 86 uhci_intr_info_t *iinfo; 87 int newtoggle; 88 /* Info needed for different pipe kinds. */ 89 union { 90 /* Control pipe */ 91 struct { 92 uhci_soft_qh_t *sqh; 93 usb_dma_t reqdma; 94 usb_dma_t datadma; 95 uhci_soft_td_t *setup, *stat; 96 u_int length; 97 } ctl; 98 /* Interrupt pipe */ 99 struct { 100 usb_dma_t datadma; 101 int npoll; 102 uhci_soft_qh_t **qhs; 103 } intr; 104 /* Bulk pipe */ 105 struct { 106 uhci_soft_qh_t *sqh; 107 usb_dma_t datadma; 108 u_int length; 109 int isread; 110 } bulk; 111 /* Iso pipe */ 112 struct iso { 113 u_int bufsize; 114 u_int nbuf; 115 usb_dma_t *bufs; 116 uhci_soft_td_t **stds; 117 } iso; 118 } u; 119 }; 120 121 /* 122 * The uhci_intr_info free list can be global since they contain 123 * no dma specific data. The other free lists do. 124 */ 125 LIST_HEAD(, uhci_intr_info) uhci_ii_free; 126 127 void uhci_busreset __P((uhci_softc_t *)); 128 usbd_status uhci_run __P((uhci_softc_t *, int run)); 129 uhci_soft_td_t *uhci_alloc_std __P((uhci_softc_t *)); 130 void uhci_free_std __P((uhci_softc_t *, uhci_soft_td_t *)); 131 uhci_soft_qh_t *uhci_alloc_sqh __P((uhci_softc_t *)); 132 void uhci_free_sqh __P((uhci_softc_t *, uhci_soft_qh_t *)); 133 uhci_intr_info_t *uhci_alloc_intr_info __P((uhci_softc_t *)); 134 void uhci_free_intr_info __P((uhci_intr_info_t *ii)); 135 #if 0 136 void uhci_enter_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *, 137 uhci_intr_info_t *)); 138 void uhci_exit_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *)); 139 #endif 140 141 void uhci_free_std_chain __P((uhci_softc_t *, 142 uhci_soft_td_t *, uhci_soft_td_t *)); 143 usbd_status uhci_alloc_std_chain __P((struct uhci_pipe *, uhci_softc_t *, 144 int, int, usb_dma_t *, 145 uhci_soft_td_t **, 146 uhci_soft_td_t **)); 147 void uhci_timo __P((void *)); 148 void uhci_waitintr __P((uhci_softc_t *, usbd_request_handle)); 149 void uhci_check_intr __P((uhci_softc_t *, uhci_intr_info_t *)); 150 void uhci_ii_done __P((uhci_intr_info_t *, int)); 151 void uhci_timeout __P((void *)); 152 void uhci_wakeup_ctrl __P((void *, int, int, void *, int)); 153 void uhci_lock_frames __P((uhci_softc_t *)); 154 void uhci_unlock_frames __P((uhci_softc_t *)); 155 void uhci_add_ctrl __P((uhci_softc_t *, uhci_soft_qh_t *)); 156 void uhci_add_bulk __P((uhci_softc_t *, uhci_soft_qh_t *)); 157 void uhci_remove_ctrl __P((uhci_softc_t *, uhci_soft_qh_t *)); 158 void uhci_remove_bulk __P((uhci_softc_t *, uhci_soft_qh_t *)); 159 int uhci_str __P((usb_string_descriptor_t *, int, char *)); 160 161 void uhci_wakeup_cb __P((usbd_request_handle reqh)); 162 163 usbd_status uhci_device_ctrl_transfer __P((usbd_request_handle)); 164 usbd_status uhci_device_ctrl_start __P((usbd_request_handle)); 165 void uhci_device_ctrl_abort __P((usbd_request_handle)); 166 void uhci_device_ctrl_close __P((usbd_pipe_handle)); 167 usbd_status uhci_device_intr_transfer __P((usbd_request_handle)); 168 usbd_status uhci_device_intr_start __P((usbd_request_handle)); 169 void uhci_device_intr_abort __P((usbd_request_handle)); 170 void uhci_device_intr_close __P((usbd_pipe_handle)); 171 usbd_status uhci_device_bulk_transfer __P((usbd_request_handle)); 172 usbd_status uhci_device_bulk_start __P((usbd_request_handle)); 173 void uhci_device_bulk_abort __P((usbd_request_handle)); 174 void uhci_device_bulk_close __P((usbd_pipe_handle)); 175 usbd_status uhci_device_isoc_transfer __P((usbd_request_handle)); 176 usbd_status uhci_device_isoc_start __P((usbd_request_handle)); 177 void uhci_device_isoc_abort __P((usbd_request_handle)); 178 void uhci_device_isoc_close __P((usbd_pipe_handle)); 179 usbd_status uhci_device_isoc_setbuf __P((usbd_pipe_handle, u_int, u_int)); 180 181 usbd_status uhci_root_ctrl_transfer __P((usbd_request_handle)); 182 usbd_status uhci_root_ctrl_start __P((usbd_request_handle)); 183 void uhci_root_ctrl_abort __P((usbd_request_handle)); 184 void uhci_root_ctrl_close __P((usbd_pipe_handle)); 185 usbd_status uhci_root_intr_transfer __P((usbd_request_handle)); 186 usbd_status uhci_root_intr_start __P((usbd_request_handle)); 187 void uhci_root_intr_abort __P((usbd_request_handle)); 188 void uhci_root_intr_close __P((usbd_pipe_handle)); 189 190 usbd_status uhci_open __P((usbd_pipe_handle)); 191 void uhci_poll __P((struct usbd_bus *)); 192 193 usbd_status uhci_device_request __P((usbd_request_handle reqh)); 194 void uhci_ctrl_done __P((uhci_intr_info_t *ii)); 195 void uhci_bulk_done __P((uhci_intr_info_t *ii)); 196 197 void uhci_add_intr __P((uhci_softc_t *, int, uhci_soft_qh_t *)); 198 void uhci_remove_intr __P((uhci_softc_t *, int, uhci_soft_qh_t *)); 199 usbd_status uhci_device_setintr __P((uhci_softc_t *sc, 200 struct uhci_pipe *pipe, int ival)); 201 void uhci_intr_done __P((uhci_intr_info_t *ii)); 202 void uhci_isoc_done __P((uhci_intr_info_t *ii)); 203 204 #ifdef USB_DEBUG 205 static void uhci_dumpregs __P((uhci_softc_t *)); 206 void uhci_dump_tds __P((uhci_soft_td_t *)); 207 void uhci_dump_qh __P((uhci_soft_qh_t *)); 208 void uhci_dump __P((void)); 209 void uhci_dump_td __P((uhci_soft_td_t *)); 210 #endif 211 212 #if defined(__NetBSD__) 213 #define UWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)) 214 #define UWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)) 215 #define UREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r)) 216 #define UREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r)) 217 #elif defined(__FreeBSD__) 218 #define UWRITE2(sc,r,x) outw((sc)->sc_iobase + (r), (x)) 219 #define UWRITE4(sc,r,x) outl((sc)->sc_iobase + (r), (x)) 220 #define UREAD2(sc,r) inw((sc)->sc_iobase + (r)) 221 #define UREAD4(sc,r) inl((sc)->sc_iobase + (r)) 222 #endif 223 224 #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) 225 #define UHCISTS(sc) UREAD2(sc, UHCI_STS) 226 227 #define UHCI_RESET_TIMEOUT 100 /* reset timeout */ 228 229 #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) 230 231 #define UHCI_INTR_ENDPT 1 232 233 struct usbd_methods uhci_root_ctrl_methods = { 234 uhci_root_ctrl_transfer, 235 uhci_root_ctrl_start, 236 uhci_root_ctrl_abort, 237 uhci_root_ctrl_close, 238 0, 239 }; 240 241 struct usbd_methods uhci_root_intr_methods = { 242 uhci_root_intr_transfer, 243 uhci_root_intr_start, 244 uhci_root_intr_abort, 245 uhci_root_intr_close, 246 0, 247 }; 248 249 struct usbd_methods uhci_device_ctrl_methods = { 250 uhci_device_ctrl_transfer, 251 uhci_device_ctrl_start, 252 uhci_device_ctrl_abort, 253 uhci_device_ctrl_close, 254 0, 255 }; 256 257 struct usbd_methods uhci_device_intr_methods = { 258 uhci_device_intr_transfer, 259 uhci_device_intr_start, 260 uhci_device_intr_abort, 261 uhci_device_intr_close, 262 0, 263 }; 264 265 struct usbd_methods uhci_device_bulk_methods = { 266 uhci_device_bulk_transfer, 267 uhci_device_bulk_start, 268 uhci_device_bulk_abort, 269 uhci_device_bulk_close, 270 0, 271 }; 272 273 struct usbd_methods uhci_device_isoc_methods = { 274 uhci_device_isoc_transfer, 275 uhci_device_isoc_start, 276 uhci_device_isoc_abort, 277 uhci_device_isoc_close, 278 uhci_device_isoc_setbuf, 279 }; 280 281 void 282 uhci_busreset(sc) 283 uhci_softc_t *sc; 284 { 285 UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ 286 usbd_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ 287 UHCICMD(sc, 0); /* do nothing */ 288 } 289 290 usbd_status 291 uhci_init(sc) 292 uhci_softc_t *sc; 293 { 294 usbd_status r; 295 int i, j; 296 uhci_soft_qh_t *csqh, *bsqh, *sqh; 297 uhci_soft_td_t *std; 298 usb_dma_t dma; 299 static int uhci_global_init_done = 0; 300 301 DPRINTFN(1,("uhci_init: start\n")); 302 303 if (!uhci_global_init_done) { 304 uhci_global_init_done = 1; 305 LIST_INIT(&uhci_ii_free); 306 } 307 308 #if defined(USB_DEBUG) 309 if (uhcidebug > 2) 310 uhci_dumpregs(sc); 311 #endif 312 313 uhci_run(sc, 0); /* stop the controller */ 314 UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ 315 316 /* Allocate and initialize real frame array. */ 317 r = usb_allocmem(sc->sc_dmatag, 318 UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), 319 UHCI_FRAMELIST_ALIGN, &dma); 320 if (r != USBD_NORMAL_COMPLETION) 321 return (r); 322 sc->sc_pframes = KERNADDR(&dma); 323 UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */ 324 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&dma)); /* set frame list */ 325 326 uhci_busreset(sc); 327 328 /* Allocate the dummy QH where bulk traffic will be queued. */ 329 bsqh = uhci_alloc_sqh(sc); 330 if (!bsqh) 331 return (USBD_NOMEM); 332 bsqh->qh->qh_hlink = UHCI_PTR_T; /* end of QH chain */ 333 bsqh->qh->qh_elink = UHCI_PTR_T; 334 sc->sc_bulk_start = sc->sc_bulk_end = bsqh; 335 336 /* Allocate the dummy QH where control traffic will be queued. */ 337 csqh = uhci_alloc_sqh(sc); 338 if (!csqh) 339 return (USBD_NOMEM); 340 csqh->qh->hlink = bsqh; 341 csqh->qh->qh_hlink = bsqh->physaddr | UHCI_PTR_Q; 342 csqh->qh->qh_elink = UHCI_PTR_T; 343 sc->sc_ctl_start = sc->sc_ctl_end = csqh; 344 345 /* 346 * Make all (virtual) frame list pointers point to the interrupt 347 * queue heads and the interrupt queue heads at the control 348 * queue head and point the physical frame list to the virtual. 349 */ 350 for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 351 std = uhci_alloc_std(sc); 352 sqh = uhci_alloc_sqh(sc); 353 if (!std || !sqh) 354 return (USBD_NOMEM); 355 std->td->link.sqh = sqh; 356 std->td->td_link = sqh->physaddr | UHCI_PTR_Q; 357 std->td->td_status = UHCI_TD_IOS; /* iso, inactive */ 358 std->td->td_token = 0; 359 std->td->td_buffer = 0; 360 sqh->qh->hlink = csqh; 361 sqh->qh->qh_hlink = csqh->physaddr | UHCI_PTR_Q; 362 sqh->qh->elink = 0; 363 sqh->qh->qh_elink = UHCI_PTR_T; 364 sc->sc_vframes[i].htd = std; 365 sc->sc_vframes[i].etd = std; 366 sc->sc_vframes[i].hqh = sqh; 367 sc->sc_vframes[i].eqh = sqh; 368 for (j = i; 369 j < UHCI_FRAMELIST_COUNT; 370 j += UHCI_VFRAMELIST_COUNT) 371 sc->sc_pframes[j] = std->physaddr; 372 } 373 374 LIST_INIT(&sc->sc_intrhead); 375 376 /* Set up the bus struct. */ 377 sc->sc_bus.open_pipe = uhci_open; 378 sc->sc_bus.pipe_size = sizeof(struct uhci_pipe); 379 sc->sc_bus.do_poll = uhci_poll; 380 381 DPRINTFN(1,("uhci_init: enabling\n")); 382 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 383 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */ 384 385 return (uhci_run(sc, 1)); /* and here we go... */ 386 } 387 388 #ifdef USB_DEBUG 389 static void 390 uhci_dumpregs(sc) 391 uhci_softc_t *sc; 392 { 393 printf("%s; regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 394 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 395 USBDEVNAME(sc->sc_bus.bdev), 396 UREAD2(sc, UHCI_CMD), 397 UREAD2(sc, UHCI_STS), 398 UREAD2(sc, UHCI_INTR), 399 UREAD2(sc, UHCI_FRNUM), 400 UREAD2(sc, UHCI_FLBASEADDR), 401 UREAD2(sc, UHCI_SOF), 402 UREAD2(sc, UHCI_PORTSC1), 403 UREAD2(sc, UHCI_PORTSC2)); 404 } 405 406 int uhci_longtd = 1; 407 408 void 409 uhci_dump_td(p) 410 uhci_soft_td_t *p; 411 { 412 printf("TD(%p) at %08lx = 0x%08lx 0x%08lx 0x%08lx 0x%08lx\n", 413 p, (long)p->physaddr, 414 (long)p->td->td_link, 415 (long)p->td->td_status, 416 (long)p->td->td_token, 417 (long)p->td->td_buffer); 418 if (uhci_longtd) 419 printf(" %b %b,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 420 "D=%d,maxlen=%d\n", 421 (long)p->td->td_link, 422 "\20\1T\2Q\3VF", 423 (long)p->td->td_status, 424 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 425 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 426 UHCI_TD_GET_ERRCNT(p->td->td_status), 427 UHCI_TD_GET_ACTLEN(p->td->td_status), 428 UHCI_TD_GET_PID(p->td->td_token), 429 UHCI_TD_GET_DEVADDR(p->td->td_token), 430 UHCI_TD_GET_ENDPT(p->td->td_token), 431 UHCI_TD_GET_DT(p->td->td_token), 432 UHCI_TD_GET_MAXLEN(p->td->td_token)); 433 } 434 435 void 436 uhci_dump_qh(p) 437 uhci_soft_qh_t *p; 438 { 439 printf("QH(%p) at %08x: hlink=%08x elink=%08x\n", p, (int)p->physaddr, 440 p->qh->qh_hlink, p->qh->qh_elink); 441 } 442 443 444 #if 0 445 void 446 uhci_dump() 447 { 448 uhci_softc_t *sc = uhci; 449 450 uhci_dumpregs(sc); 451 printf("intrs=%d\n", sc->sc_intrs); 452 printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link); 453 uhci_dump_qh(sc->sc_ctl_start->qh->hlink); 454 } 455 #endif 456 457 void 458 uhci_dump_tds(std) 459 uhci_soft_td_t *std; 460 { 461 uhci_soft_td_t *p; 462 463 for(p = std; p; p = p->td->link.std) 464 uhci_dump_td(p); 465 } 466 #endif 467 468 /* 469 * This routine is executed periodically and simulates interrupts 470 * from the root controller interrupt pipe for port status change. 471 */ 472 void 473 uhci_timo(addr) 474 void *addr; 475 { 476 usbd_request_handle reqh = addr; 477 usbd_pipe_handle pipe = reqh->pipe; 478 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 479 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 480 int s; 481 u_char *p; 482 483 DPRINTFN(15, ("uhci_timo\n")); 484 485 p = KERNADDR(&upipe->u.intr.datadma); 486 p[0] = 0; 487 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 488 p[0] |= 1<<1; 489 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 490 p[0] |= 1<<2; 491 s = splusb(); 492 if (p[0] != 0) { 493 reqh->actlen = 1; 494 reqh->status = USBD_NORMAL_COMPLETION; 495 reqh->xfercb(reqh); 496 } 497 if (reqh->pipe->intrreqh == reqh) { 498 usb_timeout(uhci_timo, reqh, sc->sc_ival, reqh->timo_handle); 499 } else { 500 usb_freemem(sc->sc_dmatag, &upipe->u.intr.datadma); 501 usb_start_next(reqh->pipe); 502 } 503 splx(s); 504 } 505 506 507 void 508 uhci_lock_frames(sc) 509 uhci_softc_t *sc; 510 { 511 int s = splusb(); 512 while (sc->sc_vflock) { 513 sc->sc_vflock |= UHCI_WANT_LOCK; 514 tsleep(&sc->sc_vflock, PRIBIO, "uhcqhl", 0); 515 } 516 sc->sc_vflock = UHCI_HAS_LOCK; 517 splx(s); 518 } 519 520 void 521 uhci_unlock_frames(sc) 522 uhci_softc_t *sc; 523 { 524 int s = splusb(); 525 sc->sc_vflock &= ~UHCI_HAS_LOCK; 526 if (sc->sc_vflock & UHCI_WANT_LOCK) 527 wakeup(&sc->sc_vflock); 528 splx(s); 529 } 530 531 /* 532 * Allocate an interrupt information struct. A free list is kept 533 * for fast allocation. 534 */ 535 uhci_intr_info_t * 536 uhci_alloc_intr_info(sc) 537 uhci_softc_t *sc; 538 { 539 uhci_intr_info_t *ii; 540 541 ii = LIST_FIRST(&uhci_ii_free); 542 if (ii) 543 LIST_REMOVE(ii, list); 544 else { 545 ii = malloc(sizeof(uhci_intr_info_t), M_USBDEV, M_NOWAIT); 546 } 547 ii->sc = sc; 548 return ii; 549 } 550 551 void 552 uhci_free_intr_info(ii) 553 uhci_intr_info_t *ii; 554 { 555 LIST_INSERT_HEAD(&uhci_ii_free, ii, list); /* and put on free list */ 556 } 557 558 /* Add control QH, called at splusb(). */ 559 void 560 uhci_add_ctrl(sc, sqh) 561 uhci_softc_t *sc; 562 uhci_soft_qh_t *sqh; 563 { 564 uhci_qh_t *eqh; 565 566 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 567 eqh = sc->sc_ctl_end->qh; 568 sqh->qh->hlink = eqh->hlink; 569 sqh->qh->qh_hlink = eqh->qh_hlink; 570 eqh->hlink = sqh; 571 eqh->qh_hlink = sqh->physaddr | UHCI_PTR_Q; 572 sc->sc_ctl_end = sqh; 573 } 574 575 /* Remove control QH, called at splusb(). */ 576 void 577 uhci_remove_ctrl(sc, sqh) 578 uhci_softc_t *sc; 579 uhci_soft_qh_t *sqh; 580 { 581 uhci_soft_qh_t *pqh; 582 583 DPRINTFN(10, ("uhci_remove_ctrl: sqh=%p\n", sqh)); 584 for (pqh = sc->sc_ctl_start; pqh->qh->hlink != sqh; pqh=pqh->qh->hlink) 585 #if defined(DIAGNOSTIC) || defined(USB_DEBUG) 586 if (pqh->qh->qh_hlink & UHCI_PTR_T) { 587 printf("uhci_remove_ctrl: QH not found\n"); 588 return; 589 } 590 #else 591 ; 592 #endif 593 pqh->qh->hlink = sqh->qh->hlink; 594 pqh->qh->qh_hlink = sqh->qh->qh_hlink; 595 if (sc->sc_ctl_end == sqh) 596 sc->sc_ctl_end = pqh; 597 } 598 599 /* Add bulk QH, called at splusb(). */ 600 void 601 uhci_add_bulk(sc, sqh) 602 uhci_softc_t *sc; 603 uhci_soft_qh_t *sqh; 604 { 605 uhci_qh_t *eqh; 606 607 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 608 eqh = sc->sc_bulk_end->qh; 609 sqh->qh->hlink = eqh->hlink; 610 sqh->qh->qh_hlink = eqh->qh_hlink; 611 eqh->hlink = sqh; 612 eqh->qh_hlink = sqh->physaddr | UHCI_PTR_Q; 613 sc->sc_bulk_end = sqh; 614 } 615 616 /* Remove bulk QH, called at splusb(). */ 617 void 618 uhci_remove_bulk(sc, sqh) 619 uhci_softc_t *sc; 620 uhci_soft_qh_t *sqh; 621 { 622 uhci_soft_qh_t *pqh; 623 624 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 625 for (pqh = sc->sc_bulk_start; 626 pqh->qh->hlink != sqh; 627 pqh = pqh->qh->hlink) 628 #if defined(DIAGNOSTIC) || defined(USB_DEBUG) 629 if (pqh->qh->qh_hlink & UHCI_PTR_T) { 630 printf("uhci_remove_bulk: QH not found\n"); 631 return; 632 } 633 #else 634 ; 635 #endif 636 pqh->qh->hlink = sqh->qh->hlink; 637 pqh->qh->qh_hlink = sqh->qh->qh_hlink; 638 if (sc->sc_bulk_end == sqh) 639 sc->sc_bulk_end = pqh; 640 } 641 642 int 643 uhci_intr(p) 644 void *p; 645 { 646 uhci_softc_t *sc = p; 647 int status, ret; 648 uhci_intr_info_t *ii; 649 650 sc->sc_intrs++; 651 #if defined(USB_DEBUG) 652 if (uhcidebug > 9) { 653 printf("uhci_intr %p\n", sc); 654 uhci_dumpregs(sc); 655 } 656 #endif 657 status = UREAD2(sc, UHCI_STS); 658 ret = 0; 659 if (status & UHCI_STS_USBINT) { 660 UWRITE2(sc, UHCI_STS, UHCI_STS_USBINT); /* acknowledge */ 661 ret = 1; 662 } 663 if (status & UHCI_STS_USBEI) { 664 UWRITE2(sc, UHCI_STS, UHCI_STS_USBEI); /* acknowledge */ 665 ret = 1; 666 } 667 if (status & UHCI_STS_RD) { 668 UWRITE2(sc, UHCI_STS, UHCI_STS_RD); /* acknowledge */ 669 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 670 ret = 1; 671 } 672 if (status & UHCI_STS_HSE) { 673 UWRITE2(sc, UHCI_STS, UHCI_STS_HSE); /* acknowledge */ 674 printf("%s: Host System Error\n", USBDEVNAME(sc->sc_bus.bdev)); 675 ret = 1; 676 } 677 if (status & UHCI_STS_HCPE) { 678 UWRITE2(sc, UHCI_STS, UHCI_STS_HCPE); /* acknowledge */ 679 printf("%s: Host System Error\n", USBDEVNAME(sc->sc_bus.bdev)); 680 ret = 1; 681 } 682 if (status & UHCI_STS_HCH) 683 printf("%s: controller halted\n", USBDEVNAME(sc->sc_bus.bdev)); 684 if (!ret) 685 return 0; 686 687 /* 688 * Interrupts on UHCI really suck. When the host controller 689 * interrupts because a transfer is completed there is no 690 * way of knowing which transfer it was. You can scan down 691 * the TDs and QHs of the previous frame to limit the search, 692 * but that assumes that the interrupt was not delayed by more 693 * than 1 ms, which may not always be true (e.g. after debug 694 * output on a slow console). 695 * We scan all interrupt descriptors to see if any have 696 * completed. 697 */ 698 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 699 uhci_check_intr(sc, ii); 700 701 DPRINTFN(10, ("uhci_intr: exit\n")); 702 return 1; 703 } 704 705 /* Check for an interrupt. */ 706 void 707 uhci_check_intr(sc, ii) 708 uhci_softc_t *sc; 709 uhci_intr_info_t *ii; 710 { 711 struct uhci_pipe *upipe; 712 uhci_soft_td_t *std, *lstd; 713 714 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 715 #ifdef DIAGNOSTIC 716 if (!ii) { 717 printf("uhci_check_intr: no ii? %p\n", ii); 718 return; 719 } 720 #endif 721 if (!ii->stdstart) 722 return; 723 lstd = ii->stdend; 724 #ifdef DIAGNOSTIC 725 if (!lstd) { 726 printf("uhci_check_intr: std==0\n"); 727 return; 728 } 729 #endif 730 /* If the last TD is still active the whole transfer probably is. */ 731 if (lstd->td->td_status & UHCI_TD_ACTIVE) { 732 DPRINTFN(15, ("uhci_check_intr: active ii=%p\n", ii)); 733 for (std = ii->stdstart; std != lstd; std = std->td->link.std) 734 if (std->td->td_status & UHCI_TD_STALLED) 735 goto done; 736 DPRINTFN(15, ("uhci_check_intr: ii=%p still active\n", ii)); 737 return; 738 } 739 done: 740 upipe = (struct uhci_pipe *)ii->reqh->pipe; 741 upipe->pipe.endpoint->toggle = upipe->newtoggle; 742 uhci_ii_done(ii, 0); 743 usb_untimeout(uhci_timeout, ii, ii->timeout_handle); 744 } 745 746 void 747 uhci_ii_done(ii, timo) 748 uhci_intr_info_t *ii; 749 int timo; 750 { 751 usbd_request_handle reqh = ii->reqh; 752 uhci_soft_td_t *std; 753 u_int32_t tst; 754 int len, status, attr; 755 756 DPRINTFN(10, ("uhci_ii_done: ii=%p ready %d\n", ii, timo)); 757 758 #ifdef DIAGNOSTIC 759 { 760 int s = splhigh(); 761 if (ii->isdone) { 762 printf("uhci_ii_done: is done!\n"); 763 splx(s); 764 return; 765 } 766 ii->isdone = 1; 767 splx(s); 768 } 769 #endif 770 771 /* The transfer is done, compute length and status. */ 772 for (len = status = 0, std = ii->stdstart; 773 std != 0; 774 std = std->td->link.std) { 775 tst = std->td->td_status; 776 status |= tst; 777 #ifdef USB_DEBUG 778 if ((tst & UHCI_TD_ERROR) && uhcidebug) { 779 printf("uhci_ii_done: intr error TD:\n"); 780 uhci_dump_td(std); 781 } 782 #endif 783 if (UHCI_TD_GET_PID(std->td->td_token) != UHCI_TD_PID_SETUP) 784 len += UHCI_TD_GET_ACTLEN(tst); 785 } 786 status &= UHCI_TD_ERROR; 787 DPRINTFN(10, ("uhci_check_intr: len=%d, status=0x%x\n", len, status)); 788 if (status != 0) { 789 DPRINTFN(-1+(status==UHCI_TD_STALLED), 790 ("uhci_ii_done: error, addr=%d, endpt=0x%02x, " 791 "status 0x%b\n", 792 reqh->pipe->device->address, 793 reqh->pipe->endpoint->edesc->bEndpointAddress, 794 (long)status, 795 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 796 "STALLED\30ACTIVE")); 797 if (status == UHCI_TD_STALLED) 798 reqh->status = USBD_STALLED; 799 else 800 reqh->status = USBD_IOERROR; /* more info XXX */ 801 reqh->actlen = 0; 802 } else { 803 reqh->status = USBD_NORMAL_COMPLETION; 804 reqh->actlen = len; 805 } 806 if (timo) { 807 /* We got a timeout. Make sure transaction is not active. */ 808 reqh->status = USBD_TIMEOUT; 809 for (std = ii->stdstart; std != 0; std = std->td->link.std) 810 std->td->td_status &= ~UHCI_TD_ACTIVE; 811 /* XXX should we wait 1 ms */ 812 } 813 DPRINTFN(5, ("uhci_ii_done: calling handler ii=%p\n", ii)); 814 815 attr = reqh->pipe->endpoint->edesc->bmAttributes; 816 switch (attr & UE_XFERTYPE) { 817 case UE_CONTROL: 818 uhci_ctrl_done(ii); 819 usb_start_next(reqh->pipe); 820 break; 821 case UE_ISOCHRONOUS: 822 uhci_isoc_done(ii); 823 usb_start_next(reqh->pipe); 824 break; 825 case UE_BULK: 826 uhci_bulk_done(ii); 827 usb_start_next(reqh->pipe); 828 break; 829 case UE_INTERRUPT: 830 uhci_intr_done(ii); 831 break; 832 } 833 834 /* And finally execute callback. */ 835 reqh->xfercb(reqh); 836 } 837 838 /* 839 * Called when a request does not complete. 840 */ 841 void 842 uhci_timeout(addr) 843 void *addr; 844 { 845 uhci_intr_info_t *ii = addr; 846 int s; 847 848 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 849 s = splusb(); 850 uhci_ii_done(ii, 1); 851 splx(s); 852 } 853 854 /* 855 * Wait here until controller claims to have an interrupt. 856 * Then call uhci_intr and return. Use timeout to avoid waiting 857 * too long. 858 * Only used during boot when interrupts are not enabled yet. 859 */ 860 void 861 uhci_waitintr(sc, reqh) 862 uhci_softc_t *sc; 863 usbd_request_handle reqh; 864 { 865 int timo = reqh->timeout; 866 int usecs; 867 uhci_intr_info_t *ii; 868 869 DPRINTFN(10,("uhci_waitintr: timeout = %ds\n", timo)); 870 871 reqh->status = USBD_IN_PROGRESS; 872 for (usecs = timo * 1000000 / hz; usecs > 0; usecs -= 1000) { 873 usbd_delay_ms(&sc->sc_bus, 1); 874 DPRINTFN(10,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 875 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 876 uhci_intr(sc); 877 if (reqh->status != USBD_IN_PROGRESS) 878 return; 879 } 880 } 881 882 /* Timeout */ 883 DPRINTF(("uhci_waitintr: timeout\n")); 884 for (ii = LIST_FIRST(&sc->sc_intrhead); 885 ii && ii->reqh != reqh; 886 ii = LIST_NEXT(ii, list)) 887 ; 888 if (ii) 889 uhci_ii_done(ii, 1); 890 else 891 panic("uhci_waitintr: lost intr_info\n"); 892 } 893 894 void 895 uhci_poll(bus) 896 struct usbd_bus *bus; 897 { 898 uhci_softc_t *sc = (uhci_softc_t *)bus; 899 900 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 901 uhci_intr(sc); 902 } 903 904 #if 0 905 void 906 uhci_reset(p) 907 void *p; 908 { 909 uhci_softc_t *sc = p; 910 int n; 911 912 UHCICMD(sc, UHCI_CMD_HCRESET); 913 /* The reset bit goes low when the controller is done. */ 914 for (n = 0; n < UHCI_RESET_TIMEOUT && 915 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 916 delay(100); 917 if (n >= UHCI_RESET_TIMEOUT) 918 printf("%s: controller did not reset\n", 919 USBDEVNAME(sc->sc_bus.bdev)); 920 } 921 #endif 922 923 usbd_status 924 uhci_run(sc, run) 925 uhci_softc_t *sc; 926 int run; 927 { 928 int s, n, running; 929 930 run = run != 0; 931 s = splusb(); 932 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 933 if (run == running) { 934 splx(s); 935 return (USBD_NORMAL_COMPLETION); 936 } 937 UWRITE2(sc, UHCI_CMD, run ? UHCI_CMD_RS : 0); 938 for(n = 0; n < 10; n++) { 939 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 940 /* return when we've entered the state we want */ 941 if (run == running) { 942 splx(s); 943 return (USBD_NORMAL_COMPLETION); 944 } 945 usbd_delay_ms(&sc->sc_bus, 1); 946 } 947 splx(s); 948 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 949 run ? "start" : "stop"); 950 return (USBD_IOERROR); 951 } 952 953 /* 954 * Memory management routines. 955 * uhci_alloc_std allocates TDs 956 * uhci_alloc_sqh allocates QHs 957 * These two routines do their own free list management, 958 * partly for speed, partly because allocating DMAable memory 959 * has page size granularaity so much memory would be wasted if 960 * only one TD/QH (32 bytes) was placed in each allocated chunk. 961 */ 962 963 uhci_soft_td_t * 964 uhci_alloc_std(sc) 965 uhci_softc_t *sc; 966 { 967 uhci_soft_td_t *std; 968 usbd_status r; 969 int i; 970 usb_dma_t dma; 971 972 if (!sc->sc_freetds) { 973 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 974 std = malloc(sizeof(uhci_soft_td_t) * UHCI_TD_CHUNK, 975 M_USBDEV, M_NOWAIT); 976 if (!std) 977 return (0); 978 r = usb_allocmem(sc->sc_dmatag, UHCI_TD_SIZE * UHCI_TD_CHUNK, 979 UHCI_TD_ALIGN, &dma); 980 if (r != USBD_NORMAL_COMPLETION) { 981 free(std, M_USBDEV); 982 return (0); 983 } 984 for(i = 0; i < UHCI_TD_CHUNK; i++, std++) { 985 std->physaddr = DMAADDR(&dma) + i * UHCI_TD_SIZE; 986 std->td = (uhci_td_t *) 987 ((char *)KERNADDR(&dma) + i * UHCI_TD_SIZE); 988 std->td->link.std = sc->sc_freetds; 989 sc->sc_freetds = std; 990 } 991 } 992 std = sc->sc_freetds; 993 sc->sc_freetds = std->td->link.std; 994 memset(std->td, 0, UHCI_TD_SIZE); 995 return std; 996 } 997 998 void 999 uhci_free_std(sc, std) 1000 uhci_softc_t *sc; 1001 uhci_soft_td_t *std; 1002 { 1003 #ifdef DIAGNOSTIC 1004 #define TD_IS_FREE 0x12345678 1005 if (std->td->td_token == TD_IS_FREE) { 1006 printf("uhci_free_std: freeing free TD %p\n", std); 1007 return; 1008 } 1009 std->td->td_token = TD_IS_FREE; 1010 #endif 1011 std->td->link.std = sc->sc_freetds; 1012 sc->sc_freetds = std; 1013 } 1014 1015 uhci_soft_qh_t * 1016 uhci_alloc_sqh(sc) 1017 uhci_softc_t *sc; 1018 { 1019 uhci_soft_qh_t *sqh; 1020 usbd_status r; 1021 int i, offs; 1022 usb_dma_t dma; 1023 1024 if (!sc->sc_freeqhs) { 1025 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1026 sqh = malloc(sizeof(uhci_soft_qh_t) * UHCI_QH_CHUNK, 1027 M_USBDEV, M_NOWAIT); 1028 if (!sqh) 1029 return 0; 1030 r = usb_allocmem(sc->sc_dmatag, UHCI_QH_SIZE * UHCI_QH_CHUNK, 1031 UHCI_QH_ALIGN, &dma); 1032 if (r != USBD_NORMAL_COMPLETION) { 1033 free(sqh, M_USBDEV); 1034 return 0; 1035 } 1036 for(i = 0; i < UHCI_QH_CHUNK; i++, sqh++) { 1037 offs = i * UHCI_QH_SIZE; 1038 sqh->physaddr = DMAADDR(&dma) + offs; 1039 sqh->qh = (uhci_qh_t *) 1040 ((char *)KERNADDR(&dma) + offs); 1041 sqh->qh->hlink = sc->sc_freeqhs; 1042 sc->sc_freeqhs = sqh; 1043 } 1044 } 1045 sqh = sc->sc_freeqhs; 1046 sc->sc_freeqhs = sqh->qh->hlink; 1047 memset(sqh->qh, 0, UHCI_QH_SIZE); 1048 return (sqh); 1049 } 1050 1051 void 1052 uhci_free_sqh(sc, sqh) 1053 uhci_softc_t *sc; 1054 uhci_soft_qh_t *sqh; 1055 { 1056 sqh->qh->hlink = sc->sc_freeqhs; 1057 sc->sc_freeqhs = sqh; 1058 } 1059 1060 #if 0 1061 /* 1062 * Enter a list of transfers onto a control queue. 1063 * Called at splusb() 1064 */ 1065 void 1066 uhci_enter_ctl_q(sc, sqh, ii) 1067 uhci_softc_t *sc; 1068 uhci_soft_qh_t *sqh; 1069 uhci_intr_info_t *ii; 1070 { 1071 DPRINTFN(5, ("uhci_enter_ctl_q: sqh=%p\n", sqh)); 1072 1073 } 1074 #endif 1075 1076 void 1077 uhci_free_std_chain(sc, std, stdend) 1078 uhci_softc_t *sc; 1079 uhci_soft_td_t *std; 1080 uhci_soft_td_t *stdend; 1081 { 1082 uhci_soft_td_t *p; 1083 1084 for (; std != stdend; std = p) { 1085 p = std->td->link.std; 1086 uhci_free_std(sc, std); 1087 } 1088 } 1089 1090 usbd_status 1091 uhci_alloc_std_chain(upipe, sc, len, rd, dma, sp, ep) 1092 struct uhci_pipe *upipe; 1093 uhci_softc_t *sc; 1094 int len, rd; 1095 usb_dma_t *dma; 1096 uhci_soft_td_t **sp, **ep; 1097 { 1098 uhci_soft_td_t *p, *lastp; 1099 uhci_physaddr_t lastlink; 1100 u_int32_t ls; 1101 int i, ntd, l, tog, maxp; 1102 int addr = upipe->pipe.device->address; 1103 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1104 1105 DPRINTFN(15, ("uhci_alloc_std_chain: len=%d\n", len)); 1106 if (len == 0) { 1107 *sp = *ep = 0; 1108 DPRINTFN(-1,("uhci_alloc_std_chain: len=0\n")); 1109 return (USBD_NORMAL_COMPLETION); 1110 } 1111 ls = upipe->pipe.device->lowspeed ? UHCI_TD_LS : 0; 1112 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1113 if (maxp == 0) { 1114 printf("uhci_alloc_std_chain: maxp=0\n"); 1115 return (USBD_INVAL); 1116 } 1117 ntd = (len + maxp - 1) / maxp; 1118 tog = upipe->pipe.endpoint->toggle; 1119 if (ntd % 2 == 0) 1120 tog ^= 1; 1121 upipe->newtoggle = tog ^ 1; 1122 lastp = 0; 1123 lastlink = UHCI_PTR_T; 1124 ntd--; 1125 for (i = ntd; i >= 0; i--) { 1126 p = uhci_alloc_std(sc); 1127 if (!p) { 1128 uhci_free_std_chain(sc, lastp, 0); 1129 return (USBD_NOMEM); 1130 } 1131 p->td->link.std = lastp; 1132 p->td->td_link = lastlink; 1133 lastp = p; 1134 lastlink = p->physaddr; 1135 p->td->td_status = UHCI_TD_SET_ERRCNT(2) | ls | UHCI_TD_ACTIVE; 1136 if (i == ntd) { 1137 /* last TD */ 1138 l = len % maxp; 1139 if (l == 0) l = maxp; 1140 *ep = p; 1141 } else 1142 l = maxp; 1143 p->td->td_token = 1144 rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1145 UHCI_TD_OUT(l, endpt, addr, tog); 1146 p->td->td_buffer = DMAADDR(dma) + i * maxp; 1147 tog ^= 1; 1148 } 1149 *sp = lastp; 1150 /*upipe->pipe.endpoint->toggle = tog;*/ 1151 DPRINTFN(10, ("uhci_alloc_std_chain: oldtog=%d newtog=%d\n", 1152 upipe->pipe.endpoint->toggle, upipe->newtoggle)); 1153 return (USBD_NORMAL_COMPLETION); 1154 } 1155 1156 usbd_status 1157 uhci_device_bulk_transfer(reqh) 1158 usbd_request_handle reqh; 1159 { 1160 int s; 1161 usbd_status r; 1162 1163 s = splusb(); 1164 r = usb_insert_transfer(reqh); 1165 splx(s); 1166 if (r != USBD_NORMAL_COMPLETION) 1167 return (r); 1168 else 1169 return (uhci_device_bulk_start(reqh)); 1170 } 1171 1172 usbd_status 1173 uhci_device_bulk_start(reqh) 1174 usbd_request_handle reqh; 1175 { 1176 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1177 usbd_device_handle dev = upipe->pipe.device; 1178 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1179 uhci_intr_info_t *ii = upipe->iinfo; 1180 uhci_soft_td_t *xfer, *xferend; 1181 uhci_soft_qh_t *sqh; 1182 usb_dma_t *dmap; 1183 usbd_status r; 1184 int len, isread; 1185 int s; 1186 1187 DPRINTFN(3, ("uhci_device_bulk_transfer: reqh=%p buf=%p len=%d " 1188 "flags=%d\n", 1189 reqh, reqh->buffer, reqh->length, reqh->flags)); 1190 1191 if (reqh->isreq) 1192 panic("uhci_device_bulk_transfer: a request\n"); 1193 1194 len = reqh->length; 1195 dmap = &upipe->u.bulk.datadma; 1196 isread = reqh->pipe->endpoint->edesc->bEndpointAddress & UE_IN; 1197 sqh = upipe->u.bulk.sqh; 1198 1199 upipe->u.bulk.isread = isread; 1200 upipe->u.bulk.length = len; 1201 1202 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1203 if (r != USBD_NORMAL_COMPLETION) 1204 goto ret1; 1205 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1206 dmap, &xfer, &xferend); 1207 if (r != USBD_NORMAL_COMPLETION) 1208 goto ret2; 1209 xferend->td->td_status |= UHCI_TD_IOC; 1210 1211 if (!isread && len != 0) 1212 memcpy(KERNADDR(dmap), reqh->buffer, len); 1213 1214 #ifdef USB_DEBUG 1215 if (uhcidebug > 10) { 1216 printf("uhci_device_bulk_transfer: xfer(1)\n"); 1217 uhci_dump_tds(xfer); 1218 } 1219 #endif 1220 1221 /* Set up interrupt info. */ 1222 ii->reqh = reqh; 1223 ii->stdstart = xfer; 1224 ii->stdend = xferend; 1225 #ifdef DIAGNOSTIC 1226 ii->isdone = 0; 1227 #endif 1228 1229 sqh->qh->elink = xfer; 1230 sqh->qh->qh_elink = xfer->physaddr; 1231 sqh->intr_info = ii; 1232 1233 s = splusb(); 1234 uhci_add_bulk(sc, sqh); 1235 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1236 1237 if (reqh->timeout && !sc->sc_bus.use_polling) { 1238 usb_timeout(uhci_timeout, ii, 1239 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1240 } 1241 splx(s); 1242 1243 #ifdef USB_DEBUG 1244 if (uhcidebug > 10) { 1245 printf("uhci_device_bulk_transfer: xfer(2)\n"); 1246 uhci_dump_tds(xfer); 1247 } 1248 #endif 1249 1250 return (USBD_IN_PROGRESS); 1251 1252 ret2: 1253 if (len != 0) 1254 usb_freemem(sc->sc_dmatag, dmap); 1255 ret1: 1256 return (r); 1257 } 1258 1259 /* Abort a device bulk request. */ 1260 void 1261 uhci_device_bulk_abort(reqh) 1262 usbd_request_handle reqh; 1263 { 1264 /* XXX inactivate */ 1265 usbd_delay_ms(reqh->pipe->device->bus, 1);/* make sure it is done */ 1266 /* XXX call done */ 1267 } 1268 1269 /* Close a device bulk pipe. */ 1270 void 1271 uhci_device_bulk_close(pipe) 1272 usbd_pipe_handle pipe; 1273 { 1274 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1275 usbd_device_handle dev = upipe->pipe.device; 1276 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1277 1278 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1279 uhci_free_intr_info(upipe->iinfo); 1280 /* XXX free other resources */ 1281 } 1282 1283 usbd_status 1284 uhci_device_ctrl_transfer(reqh) 1285 usbd_request_handle reqh; 1286 { 1287 int s; 1288 usbd_status r; 1289 1290 s = splusb(); 1291 r = usb_insert_transfer(reqh); 1292 splx(s); 1293 if (r != USBD_NORMAL_COMPLETION) 1294 return (r); 1295 else 1296 return (uhci_device_ctrl_start(reqh)); 1297 } 1298 1299 usbd_status 1300 uhci_device_ctrl_start(reqh) 1301 usbd_request_handle reqh; 1302 { 1303 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 1304 usbd_status r; 1305 1306 if (!reqh->isreq) 1307 panic("uhci_device_ctrl_transfer: not a request\n"); 1308 1309 r = uhci_device_request(reqh); 1310 if (r != USBD_NORMAL_COMPLETION) 1311 return (r); 1312 1313 if (sc->sc_bus.use_polling) 1314 uhci_waitintr(sc, reqh); 1315 return (USBD_IN_PROGRESS); 1316 } 1317 1318 usbd_status 1319 uhci_device_intr_transfer(reqh) 1320 usbd_request_handle reqh; 1321 { 1322 int s; 1323 usbd_status r; 1324 1325 s = splusb(); 1326 r = usb_insert_transfer(reqh); 1327 splx(s); 1328 if (r != USBD_NORMAL_COMPLETION) 1329 return (r); 1330 else 1331 return (uhci_device_intr_start(reqh)); 1332 } 1333 1334 usbd_status 1335 uhci_device_intr_start(reqh) 1336 usbd_request_handle reqh; 1337 { 1338 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1339 usbd_device_handle dev = upipe->pipe.device; 1340 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1341 uhci_intr_info_t *ii = upipe->iinfo; 1342 uhci_soft_td_t *xfer, *xferend; 1343 uhci_soft_qh_t *sqh; 1344 usb_dma_t *dmap; 1345 usbd_status r; 1346 int len, i; 1347 int s; 1348 1349 DPRINTFN(3, ("uhci_device_intr_transfer: reqh=%p buf=%p len=%d " 1350 "flags=%d\n", 1351 reqh, reqh->buffer, reqh->length, reqh->flags)); 1352 1353 if (reqh->isreq) 1354 panic("uhci_device_intr_transfer: a request\n"); 1355 1356 len = reqh->length; 1357 dmap = &upipe->u.intr.datadma; 1358 if (len == 0) 1359 return (USBD_INVAL); /* XXX should it be? */ 1360 1361 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1362 if (r != USBD_NORMAL_COMPLETION) 1363 goto ret1; 1364 r = uhci_alloc_std_chain(upipe, sc, len, 1, dmap, &xfer, &xferend); 1365 if (r != USBD_NORMAL_COMPLETION) 1366 goto ret2; 1367 xferend->td->td_status |= UHCI_TD_IOC; 1368 1369 #ifdef USB_DEBUG 1370 if (uhcidebug > 10) { 1371 printf("uhci_device_intr_transfer: xfer(1)\n"); 1372 uhci_dump_tds(xfer); 1373 uhci_dump_qh(upipe->u.intr.qhs[0]); 1374 } 1375 #endif 1376 1377 s = splusb(); 1378 /* Set up interrupt info. */ 1379 ii->reqh = reqh; 1380 ii->stdstart = xfer; 1381 ii->stdend = xferend; 1382 #ifdef DIAGNOSTIC 1383 ii->isdone = 0; 1384 #endif 1385 1386 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1387 upipe->u.intr.qhs[0])); 1388 for (i = 0; i < upipe->u.intr.npoll; i++) { 1389 sqh = upipe->u.intr.qhs[i]; 1390 sqh->qh->elink = xfer; 1391 sqh->qh->qh_elink = xfer->physaddr; 1392 } 1393 splx(s); 1394 1395 #ifdef USB_DEBUG 1396 if (uhcidebug > 10) { 1397 printf("uhci_device_intr_transfer: xfer(2)\n"); 1398 uhci_dump_tds(xfer); 1399 uhci_dump_qh(upipe->u.intr.qhs[0]); 1400 } 1401 #endif 1402 1403 return (USBD_IN_PROGRESS); 1404 1405 ret2: 1406 if (len != 0) 1407 usb_freemem(sc->sc_dmatag, dmap); 1408 ret1: 1409 return (r); 1410 } 1411 1412 /* Abort a device control request. */ 1413 void 1414 uhci_device_ctrl_abort(reqh) 1415 usbd_request_handle reqh; 1416 { 1417 /* XXX inactivate */ 1418 usbd_delay_ms(reqh->pipe->device->bus, 1); /* make sure it is done */ 1419 /* XXX call done */ 1420 } 1421 1422 /* Close a device control pipe. */ 1423 void 1424 uhci_device_ctrl_close(pipe) 1425 usbd_pipe_handle pipe; 1426 { 1427 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1428 1429 uhci_free_intr_info(upipe->iinfo); 1430 /* XXX free other resources */ 1431 } 1432 1433 /* Abort a device interrupt request. */ 1434 void 1435 uhci_device_intr_abort(reqh) 1436 usbd_request_handle reqh; 1437 { 1438 struct uhci_pipe *upipe; 1439 1440 DPRINTFN(1, ("uhci_device_intr_abort: reqh=%p\n", reqh)); 1441 /* XXX inactivate */ 1442 usbd_delay_ms(reqh->pipe->device->bus, 2); /* make sure it is done */ 1443 if (reqh->pipe->intrreqh == reqh) { 1444 DPRINTF(("uhci_device_intr_abort: remove\n")); 1445 reqh->pipe->intrreqh = 0; 1446 upipe = (struct uhci_pipe *)reqh->pipe; 1447 uhci_intr_done(upipe->u.intr.qhs[0]->intr_info); 1448 } 1449 } 1450 1451 /* Close a device interrupt pipe. */ 1452 void 1453 uhci_device_intr_close(pipe) 1454 usbd_pipe_handle pipe; 1455 { 1456 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1457 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1458 int i, s, npoll; 1459 1460 upipe->iinfo->stdstart = 0; /* inactive */ 1461 1462 /* Unlink descriptors from controller data structures. */ 1463 npoll = upipe->u.intr.npoll; 1464 uhci_lock_frames(sc); 1465 for (i = 0; i < npoll; i++) 1466 uhci_remove_intr(sc, upipe->u.intr.qhs[i]->pos, 1467 upipe->u.intr.qhs[i]); 1468 uhci_unlock_frames(sc); 1469 1470 /* 1471 * We now have to wait for any activity on the physical 1472 * descriptors to stop. 1473 */ 1474 usbd_delay_ms(&sc->sc_bus, 2); 1475 1476 for(i = 0; i < npoll; i++) 1477 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1478 free(upipe->u.intr.qhs, M_USB); 1479 1480 s = splusb(); 1481 LIST_REMOVE(upipe->iinfo, list); /* remove from active list */ 1482 splx(s); 1483 uhci_free_intr_info(upipe->iinfo); 1484 1485 /* XXX free other resources */ 1486 } 1487 1488 usbd_status 1489 uhci_device_request(reqh) 1490 usbd_request_handle reqh; 1491 { 1492 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1493 usb_device_request_t *req = &reqh->request; 1494 usbd_device_handle dev = upipe->pipe.device; 1495 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1496 int addr = dev->address; 1497 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1498 uhci_intr_info_t *ii = upipe->iinfo; 1499 uhci_soft_td_t *setup, *xfer, *stat, *next, *xferend; 1500 uhci_soft_qh_t *sqh; 1501 usb_dma_t *dmap; 1502 int len; 1503 u_int32_t ls; 1504 usbd_status r; 1505 int isread; 1506 int s; 1507 1508 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1509 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1510 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1511 UGETW(req->wIndex), UGETW(req->wLength), 1512 addr, endpt)); 1513 1514 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1515 isread = req->bmRequestType & UT_READ; 1516 len = UGETW(req->wLength); 1517 1518 setup = upipe->u.ctl.setup; 1519 stat = upipe->u.ctl.stat; 1520 sqh = upipe->u.ctl.sqh; 1521 dmap = &upipe->u.ctl.datadma; 1522 1523 /* Set up data transaction */ 1524 if (len != 0) { 1525 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1526 if (r != USBD_NORMAL_COMPLETION) 1527 goto ret1; 1528 upipe->pipe.endpoint->toggle = 1; 1529 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1530 dmap, &xfer, &xferend); 1531 if (r != USBD_NORMAL_COMPLETION) 1532 goto ret2; 1533 next = xfer; 1534 xferend->td->link.std = stat; 1535 xferend->td->td_link = stat->physaddr; 1536 } else { 1537 next = stat; 1538 } 1539 upipe->u.ctl.length = len; 1540 1541 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 1542 if (!isread && len != 0) 1543 memcpy(KERNADDR(dmap), reqh->buffer, len); 1544 1545 setup->td->link.std = next; 1546 setup->td->td_link = next->physaddr; 1547 setup->td->td_status = UHCI_TD_SET_ERRCNT(2) | ls | UHCI_TD_ACTIVE; 1548 setup->td->td_token = UHCI_TD_SETUP(sizeof *req, endpt, addr); 1549 setup->td->td_buffer = DMAADDR(&upipe->u.ctl.reqdma); 1550 1551 stat->td->link.std = 0; 1552 stat->td->td_link = UHCI_PTR_T; 1553 stat->td->td_status = UHCI_TD_SET_ERRCNT(2) | ls | 1554 UHCI_TD_ACTIVE | UHCI_TD_IOC; 1555 stat->td->td_token = 1556 isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 1557 UHCI_TD_IN (0, endpt, addr, 1); 1558 stat->td->td_buffer = 0; 1559 1560 #ifdef USB_DEBUG 1561 if (uhcidebug > 20) { 1562 printf("uhci_device_request: setup\n"); 1563 uhci_dump_td(setup); 1564 printf("uhci_device_request: stat\n"); 1565 uhci_dump_td(stat); 1566 } 1567 #endif 1568 1569 /* Set up interrupt info. */ 1570 ii->reqh = reqh; 1571 ii->stdstart = setup; 1572 ii->stdend = stat; 1573 #ifdef DIAGNOSTIC 1574 ii->isdone = 0; 1575 #endif 1576 1577 sqh->qh->elink = setup; 1578 sqh->qh->qh_elink = setup->physaddr; 1579 sqh->intr_info = ii; 1580 1581 s = splusb(); 1582 uhci_add_ctrl(sc, sqh); 1583 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1584 #ifdef USB_DEBUG 1585 if (uhcidebug > 12) { 1586 uhci_soft_td_t *std; 1587 uhci_soft_qh_t *xqh; 1588 uhci_soft_qh_t *sxqh; 1589 int maxqh = 0; 1590 uhci_physaddr_t link; 1591 printf("uhci_enter_ctl_q: follow from [0]\n"); 1592 for (std = sc->sc_vframes[0].htd, link = 0; 1593 (link & UHCI_PTR_Q) == 0; 1594 std = std->td->link.std) { 1595 link = std->td->td_link; 1596 uhci_dump_td(std); 1597 } 1598 for (sxqh = xqh = (uhci_soft_qh_t *)std; 1599 xqh; 1600 xqh = (maxqh++ == 5 || xqh->qh->hlink==sxqh || 1601 xqh->qh->hlink==xqh ? NULL : xqh->qh->hlink)) { 1602 uhci_dump_qh(xqh); 1603 uhci_dump_qh(sxqh); 1604 } 1605 printf("Enqueued QH:\n"); 1606 uhci_dump_qh(sqh); 1607 uhci_dump_tds(sqh->qh->elink); 1608 } 1609 #endif 1610 if (reqh->timeout && !sc->sc_bus.use_polling) { 1611 usb_timeout(uhci_timeout, ii, 1612 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1613 } 1614 splx(s); 1615 1616 return (USBD_NORMAL_COMPLETION); 1617 1618 ret2: 1619 if (len != 0) 1620 usb_freemem(sc->sc_dmatag, dmap); 1621 ret1: 1622 return (r); 1623 } 1624 1625 usbd_status 1626 uhci_device_isoc_transfer(reqh) 1627 usbd_request_handle reqh; 1628 { 1629 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1630 usbd_device_handle dev = upipe->pipe.device; 1631 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1632 1633 DPRINTFN(1,("uhci_device_isoc_transfer: sc=%p\n", sc)); 1634 if (upipe->u.iso.bufsize == 0) 1635 return (USBD_INVAL); 1636 1637 /* XXX copy data */ 1638 return (USBD_XXX); 1639 } 1640 1641 usbd_status 1642 uhci_device_isoc_start(reqh) 1643 usbd_request_handle reqh; 1644 { 1645 return (USBD_XXX); 1646 } 1647 1648 void 1649 uhci_device_isoc_abort(reqh) 1650 usbd_request_handle reqh; 1651 { 1652 /* XXX Can't abort a single request. */ 1653 } 1654 1655 void 1656 uhci_device_isoc_close(pipe) 1657 usbd_pipe_handle pipe; 1658 { 1659 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1660 usbd_device_handle dev = upipe->pipe.device; 1661 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1662 struct iso *iso; 1663 int i; 1664 1665 /* 1666 * Make sure all TDs are marked as inactive. 1667 * Wait for completion. 1668 * Unschedule. 1669 * Deallocate. 1670 */ 1671 iso = &upipe->u.iso; 1672 1673 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 1674 iso->stds[i]->td->td_status &= ~UHCI_TD_ACTIVE; 1675 usbd_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 1676 1677 uhci_lock_frames(sc); 1678 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1679 uhci_soft_td_t *std, *vstd; 1680 1681 std = iso->stds[i]; 1682 for (vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1683 vstd && vstd->td->link.std != std; 1684 vstd = vstd->td->link.std) 1685 ; 1686 if (!vstd) { 1687 /*panic*/ 1688 printf("uhci_device_isoc_close: %p not found\n", std); 1689 uhci_unlock_frames(sc); 1690 return; 1691 } 1692 vstd->td->link = std->td->link; 1693 vstd->td->td_link = std->td->td_link; 1694 uhci_free_std(sc, std); 1695 } 1696 uhci_unlock_frames(sc); 1697 1698 for (i = 0; i < iso->nbuf; i++) 1699 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1700 free(iso->stds, M_USB); 1701 free(iso->bufs, M_USB); 1702 1703 /* XXX what else? */ 1704 } 1705 1706 usbd_status 1707 uhci_device_isoc_setbuf(pipe, bufsize, nbuf) 1708 usbd_pipe_handle pipe; 1709 u_int bufsize; 1710 u_int nbuf; 1711 { 1712 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1713 usbd_device_handle dev = upipe->pipe.device; 1714 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1715 int addr = upipe->pipe.device->address; 1716 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1717 int rd = upipe->pipe.endpoint->edesc->bEndpointAddress & UE_IN; 1718 struct iso *iso; 1719 int i; 1720 usbd_status r; 1721 1722 /* 1723 * For simplicity the number of buffers must fit nicely in the frame 1724 * list. 1725 */ 1726 if (UHCI_VFRAMELIST_COUNT % nbuf != 0) 1727 return (USBD_INVAL); 1728 1729 iso = &upipe->u.iso; 1730 iso->bufsize = bufsize; 1731 iso->nbuf = nbuf; 1732 1733 /* Allocate memory for buffers. */ 1734 iso->bufs = malloc(nbuf * sizeof(usb_dma_t), M_USB, M_WAITOK); 1735 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 1736 M_USB, M_WAITOK); 1737 1738 for (i = 0; i < nbuf; i++) { 1739 r = usb_allocmem(sc->sc_dmatag, bufsize, 0, &iso->bufs[i]); 1740 if (r != USBD_NORMAL_COMPLETION) { 1741 nbuf = i; 1742 goto bad1; 1743 } 1744 } 1745 1746 /* Allocate the TDs. */ 1747 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1748 iso->stds[i] = uhci_alloc_std(sc); 1749 if (iso->stds[i] == 0) 1750 goto bad2; 1751 } 1752 1753 /* XXX check schedule */ 1754 1755 /* XXX interrupts */ 1756 1757 /* Insert TDs into schedule, all marked inactive. */ 1758 uhci_lock_frames(sc); 1759 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1760 uhci_soft_td_t *std, *vstd; 1761 1762 std = iso->stds[i]; 1763 std->td->td_status = UHCI_TD_IOS; /* iso, inactive */ 1764 std->td->td_token = 1765 rd ? UHCI_TD_IN (0, endpt, addr, 0) : 1766 UHCI_TD_OUT(0, endpt, addr, 0); 1767 std->td->td_buffer = DMAADDR(&iso->bufs[i % nbuf]); 1768 1769 vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1770 std->td->link = vstd->td->link; 1771 std->td->td_link = vstd->td->td_link; 1772 vstd->td->link.std = std; 1773 vstd->td->td_link = std->physaddr; 1774 } 1775 uhci_unlock_frames(sc); 1776 1777 return (USBD_NORMAL_COMPLETION); 1778 1779 bad2: 1780 while (--i >= 0) 1781 uhci_free_std(sc, iso->stds[i]); 1782 bad1: 1783 for (i = 0; i < nbuf; i++) 1784 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1785 free(iso->stds, M_USB); 1786 free(iso->bufs, M_USB); 1787 return (USBD_NOMEM); 1788 } 1789 1790 void 1791 uhci_isoc_done(ii) 1792 uhci_intr_info_t *ii; 1793 { 1794 } 1795 1796 void 1797 uhci_intr_done(ii) 1798 uhci_intr_info_t *ii; 1799 { 1800 uhci_softc_t *sc = ii->sc; 1801 usbd_request_handle reqh = ii->reqh; 1802 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1803 usb_dma_t *dma; 1804 uhci_soft_qh_t *sqh; 1805 int i, npoll; 1806 1807 DPRINTFN(5, ("uhci_intr_done: length=%d\n", reqh->actlen)); 1808 1809 dma = &upipe->u.intr.datadma; 1810 memcpy(reqh->buffer, KERNADDR(dma), reqh->actlen); 1811 npoll = upipe->u.intr.npoll; 1812 for(i = 0; i < npoll; i++) { 1813 sqh = upipe->u.intr.qhs[i]; 1814 sqh->qh->elink = 0; 1815 sqh->qh->qh_elink = UHCI_PTR_T; 1816 } 1817 uhci_free_std_chain(sc, ii->stdstart, 0); 1818 1819 /* XXX Wasteful. */ 1820 if (reqh->pipe->intrreqh == reqh) { 1821 uhci_soft_td_t *xfer, *xferend; 1822 1823 /* This alloc cannot fail since we freed the chain above. */ 1824 uhci_alloc_std_chain(upipe, sc, reqh->length, 1, dma, 1825 &xfer, &xferend); 1826 xferend->td->td_status |= UHCI_TD_IOC; 1827 1828 #ifdef USB_DEBUG 1829 if (uhcidebug > 10) { 1830 printf("uhci_device_intr_done: xfer(1)\n"); 1831 uhci_dump_tds(xfer); 1832 uhci_dump_qh(upipe->u.intr.qhs[0]); 1833 } 1834 #endif 1835 1836 ii->stdstart = xfer; 1837 ii->stdend = xferend; 1838 #ifdef DIAGNOSTIC 1839 ii->isdone = 0; 1840 #endif 1841 for (i = 0; i < npoll; i++) { 1842 sqh = upipe->u.intr.qhs[i]; 1843 sqh->qh->elink = xfer; 1844 sqh->qh->qh_elink = xfer->physaddr; 1845 } 1846 } else { 1847 usb_freemem(sc->sc_dmatag, dma); 1848 ii->stdstart = 0; /* mark as inactive */ 1849 usb_start_next(reqh->pipe); 1850 } 1851 } 1852 1853 /* Deallocate request data structures */ 1854 void 1855 uhci_ctrl_done(ii) 1856 uhci_intr_info_t *ii; 1857 { 1858 uhci_softc_t *sc = ii->sc; 1859 usbd_request_handle reqh = ii->reqh; 1860 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1861 u_int len = upipe->u.ctl.length; 1862 usb_dma_t *dma; 1863 uhci_td_t *htd = ii->stdstart->td; 1864 1865 #ifdef DIAGNOSTIC 1866 if (!reqh->isreq) 1867 panic("uhci_ctrl_done: not a request\n"); 1868 #endif 1869 1870 LIST_REMOVE(ii, list); /* remove from active list */ 1871 1872 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 1873 1874 if (len != 0) { 1875 dma = &upipe->u.ctl.datadma; 1876 if (reqh->request.bmRequestType & UT_READ) 1877 memcpy(reqh->buffer, KERNADDR(dma), len); 1878 uhci_free_std_chain(sc, htd->link.std, ii->stdend); 1879 usb_freemem(sc->sc_dmatag, dma); 1880 } 1881 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", reqh->actlen)); 1882 } 1883 1884 /* Deallocate request data structures */ 1885 void 1886 uhci_bulk_done(ii) 1887 uhci_intr_info_t *ii; 1888 { 1889 uhci_softc_t *sc = ii->sc; 1890 usbd_request_handle reqh = ii->reqh; 1891 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1892 u_int len = upipe->u.bulk.length; 1893 usb_dma_t *dma; 1894 uhci_td_t *htd = ii->stdstart->td; 1895 1896 LIST_REMOVE(ii, list); /* remove from active list */ 1897 1898 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 1899 1900 if (len != 0) { 1901 dma = &upipe->u.bulk.datadma; 1902 if (upipe->u.bulk.isread && len != 0) 1903 memcpy(reqh->buffer, KERNADDR(dma), len); 1904 uhci_free_std_chain(sc, htd->link.std, 0); 1905 usb_freemem(sc->sc_dmatag, dma); 1906 } 1907 DPRINTFN(4, ("uhci_bulk_done: length=%d\n", reqh->actlen)); 1908 /* XXX compute new toggle */ 1909 } 1910 1911 /* Add interrupt QH, called with vflock. */ 1912 void 1913 uhci_add_intr(sc, n, sqh) 1914 uhci_softc_t *sc; 1915 int n; 1916 uhci_soft_qh_t *sqh; 1917 { 1918 struct uhci_vframe *vf = &sc->sc_vframes[n]; 1919 uhci_qh_t *eqh; 1920 1921 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", n, sqh)); 1922 eqh = vf->eqh->qh; 1923 sqh->qh->hlink = eqh->hlink; 1924 sqh->qh->qh_hlink = eqh->qh_hlink; 1925 eqh->hlink = sqh; 1926 eqh->qh_hlink = sqh->physaddr | UHCI_PTR_Q; 1927 vf->eqh = sqh; 1928 vf->bandwidth++; 1929 } 1930 1931 /* Remove interrupt QH, called with vflock. */ 1932 void 1933 uhci_remove_intr(sc, n, sqh) 1934 uhci_softc_t *sc; 1935 int n; 1936 uhci_soft_qh_t *sqh; 1937 { 1938 struct uhci_vframe *vf = &sc->sc_vframes[n]; 1939 uhci_soft_qh_t *pqh; 1940 1941 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", n, sqh)); 1942 1943 for (pqh = vf->hqh; pqh->qh->hlink != sqh; pqh = pqh->qh->hlink) 1944 #if defined(DIAGNOSTIC) || defined(USB_DEBUG) 1945 if (pqh->qh->qh_hlink & UHCI_PTR_T) { 1946 printf("uhci_remove_intr: QH not found\n"); 1947 return; 1948 } 1949 #else 1950 ; 1951 #endif 1952 pqh->qh->hlink = sqh->qh->hlink; 1953 pqh->qh->qh_hlink = sqh->qh->qh_hlink; 1954 if (vf->eqh == sqh) 1955 vf->eqh = pqh; 1956 vf->bandwidth--; 1957 } 1958 1959 usbd_status 1960 uhci_device_setintr(sc, upipe, ival) 1961 uhci_softc_t *sc; 1962 struct uhci_pipe *upipe; 1963 int ival; 1964 { 1965 uhci_soft_qh_t *sqh; 1966 int i, npoll, s; 1967 u_int bestbw, bw, bestoffs, offs; 1968 1969 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 1970 if (ival == 0) { 1971 printf("uhci_setintr: 0 interval\n"); 1972 return (USBD_INVAL); 1973 } 1974 1975 if (ival > UHCI_VFRAMELIST_COUNT) 1976 ival = UHCI_VFRAMELIST_COUNT; 1977 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 1978 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 1979 1980 upipe->u.intr.npoll = npoll; 1981 upipe->u.intr.qhs = 1982 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USB, M_WAITOK); 1983 1984 /* 1985 * Figure out which offset in the schedule that has most 1986 * bandwidth left over. 1987 */ 1988 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 1989 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 1990 for (bw = i = 0; i < npoll; i++) 1991 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 1992 if (bw < bestbw) { 1993 bestbw = bw; 1994 bestoffs = offs; 1995 } 1996 } 1997 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 1998 1999 upipe->iinfo->stdstart = 0; 2000 for(i = 0; i < npoll; i++) { 2001 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2002 sqh->qh->elink = 0; 2003 sqh->qh->qh_elink = UHCI_PTR_T; 2004 sqh->pos = MOD(i * ival + bestoffs); 2005 sqh->intr_info = upipe->iinfo; 2006 } 2007 #undef MOD 2008 2009 s = splusb(); 2010 LIST_INSERT_HEAD(&sc->sc_intrhead, upipe->iinfo, list); 2011 splx(s); 2012 2013 uhci_lock_frames(sc); 2014 /* Enter QHs into the controller data structures. */ 2015 for(i = 0; i < npoll; i++) 2016 uhci_add_intr(sc, upipe->u.intr.qhs[i]->pos, 2017 upipe->u.intr.qhs[i]); 2018 uhci_unlock_frames(sc); 2019 2020 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2021 return (USBD_NORMAL_COMPLETION); 2022 } 2023 2024 /* Open a new pipe. */ 2025 usbd_status 2026 uhci_open(pipe) 2027 usbd_pipe_handle pipe; 2028 { 2029 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2030 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2031 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2032 usbd_status r; 2033 2034 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2035 pipe, pipe->device->address, 2036 ed->bEndpointAddress, sc->sc_addr)); 2037 if (pipe->device->address == sc->sc_addr) { 2038 switch (ed->bEndpointAddress) { 2039 case USB_CONTROL_ENDPOINT: 2040 pipe->methods = &uhci_root_ctrl_methods; 2041 break; 2042 case UE_IN | UHCI_INTR_ENDPT: 2043 pipe->methods = &uhci_root_intr_methods; 2044 break; 2045 default: 2046 return (USBD_INVAL); 2047 } 2048 } else { 2049 upipe->iinfo = uhci_alloc_intr_info(sc); 2050 if (upipe->iinfo == 0) 2051 return (USBD_NOMEM); 2052 switch (ed->bmAttributes & UE_XFERTYPE) { 2053 case UE_CONTROL: 2054 pipe->methods = &uhci_device_ctrl_methods; 2055 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2056 if (upipe->u.ctl.sqh == 0) 2057 goto bad; 2058 upipe->u.ctl.setup = uhci_alloc_std(sc); 2059 if (upipe->u.ctl.setup == 0) { 2060 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2061 goto bad; 2062 } 2063 upipe->u.ctl.stat = uhci_alloc_std(sc); 2064 if (upipe->u.ctl.stat == 0) { 2065 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2066 uhci_free_std(sc, upipe->u.ctl.setup); 2067 goto bad; 2068 } 2069 r = usb_allocmem(sc->sc_dmatag, 2070 sizeof(usb_device_request_t), 2071 0, &upipe->u.ctl.reqdma); 2072 if (r != USBD_NORMAL_COMPLETION) { 2073 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2074 uhci_free_std(sc, upipe->u.ctl.setup); 2075 uhci_free_std(sc, upipe->u.ctl.stat); 2076 goto bad; 2077 } 2078 break; 2079 case UE_INTERRUPT: 2080 pipe->methods = &uhci_device_intr_methods; 2081 return (uhci_device_setintr(sc, upipe, ed->bInterval)); 2082 case UE_ISOCHRONOUS: 2083 pipe->methods = &uhci_device_isoc_methods; 2084 upipe->u.iso.nbuf = 0; 2085 return (USBD_NORMAL_COMPLETION); 2086 case UE_BULK: 2087 pipe->methods = &uhci_device_bulk_methods; 2088 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2089 if (upipe->u.bulk.sqh == 0) 2090 goto bad; 2091 break; 2092 } 2093 } 2094 return (USBD_NORMAL_COMPLETION); 2095 2096 bad: 2097 uhci_free_intr_info(upipe->iinfo); 2098 return (USBD_NOMEM); 2099 } 2100 2101 /* 2102 * Data structures and routines to emulate the root hub. 2103 */ 2104 usb_device_descriptor_t uhci_devd = { 2105 USB_DEVICE_DESCRIPTOR_SIZE, 2106 UDESC_DEVICE, /* type */ 2107 {0x00, 0x01}, /* USB version */ 2108 UCLASS_HUB, /* class */ 2109 USUBCLASS_HUB, /* subclass */ 2110 0, /* protocol */ 2111 64, /* max packet */ 2112 {0},{0},{0x00,0x01}, /* device id */ 2113 1,2,0, /* string indicies */ 2114 1 /* # of configurations */ 2115 }; 2116 2117 usb_config_descriptor_t uhci_confd = { 2118 USB_CONFIG_DESCRIPTOR_SIZE, 2119 UDESC_CONFIG, 2120 {USB_CONFIG_DESCRIPTOR_SIZE + 2121 USB_INTERFACE_DESCRIPTOR_SIZE + 2122 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2123 1, 2124 1, 2125 0, 2126 UC_SELF_POWERED, 2127 0 /* max power */ 2128 }; 2129 2130 usb_interface_descriptor_t uhci_ifcd = { 2131 USB_INTERFACE_DESCRIPTOR_SIZE, 2132 UDESC_INTERFACE, 2133 0, 2134 0, 2135 1, 2136 UCLASS_HUB, 2137 USUBCLASS_HUB, 2138 0, 2139 0 2140 }; 2141 2142 usb_endpoint_descriptor_t uhci_endpd = { 2143 USB_ENDPOINT_DESCRIPTOR_SIZE, 2144 UDESC_ENDPOINT, 2145 UE_IN | UHCI_INTR_ENDPT, 2146 UE_INTERRUPT, 2147 {8}, 2148 255 2149 }; 2150 2151 usb_hub_descriptor_t uhci_hubd_piix = { 2152 USB_HUB_DESCRIPTOR_SIZE, 2153 UDESC_HUB, 2154 2, 2155 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2156 50, /* power on to power good */ 2157 0, 2158 { 0x00 }, /* both ports are removable */ 2159 }; 2160 2161 int 2162 uhci_str(p, l, s) 2163 usb_string_descriptor_t *p; 2164 int l; 2165 char *s; 2166 { 2167 int i; 2168 2169 if (l == 0) 2170 return (0); 2171 p->bLength = 2 * strlen(s) + 2; 2172 if (l == 1) 2173 return (1); 2174 p->bDescriptorType = UDESC_STRING; 2175 l -= 2; 2176 for (i = 0; s[i] && l > 1; i++, l -= 2) 2177 USETW2(p->bString[i], 0, s[i]); 2178 return (2*i+2); 2179 } 2180 2181 /* 2182 * Simulate a hardware hub by handling all the necessary requests. 2183 */ 2184 usbd_status 2185 uhci_root_ctrl_transfer(reqh) 2186 usbd_request_handle reqh; 2187 { 2188 int s; 2189 usbd_status r; 2190 2191 s = splusb(); 2192 r = usb_insert_transfer(reqh); 2193 splx(s); 2194 if (r != USBD_NORMAL_COMPLETION) 2195 return (r); 2196 else 2197 return (uhci_root_ctrl_start(reqh)); 2198 } 2199 2200 usbd_status 2201 uhci_root_ctrl_start(reqh) 2202 usbd_request_handle reqh; 2203 { 2204 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 2205 usb_device_request_t *req; 2206 void *buf; 2207 int port, x; 2208 int len, value, index, status, change, l, totlen = 0; 2209 usb_port_status_t ps; 2210 usbd_status r; 2211 2212 if (!reqh->isreq) 2213 panic("uhci_root_ctrl_transfer: not a request\n"); 2214 req = &reqh->request; 2215 buf = reqh->buffer; 2216 2217 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2218 req->bmRequestType, req->bRequest)); 2219 2220 len = UGETW(req->wLength); 2221 value = UGETW(req->wValue); 2222 index = UGETW(req->wIndex); 2223 #define C(x,y) ((x) | ((y) << 8)) 2224 switch(C(req->bRequest, req->bmRequestType)) { 2225 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2226 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2227 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2228 /* 2229 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2230 * for the integrated root hub. 2231 */ 2232 break; 2233 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2234 if (len > 0) { 2235 *(u_int8_t *)buf = sc->sc_conf; 2236 totlen = 1; 2237 } 2238 break; 2239 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2240 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2241 switch(value >> 8) { 2242 case UDESC_DEVICE: 2243 if ((value & 0xff) != 0) { 2244 r = USBD_IOERROR; 2245 goto ret; 2246 } 2247 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2248 memcpy(buf, &uhci_devd, l); 2249 break; 2250 case UDESC_CONFIG: 2251 if ((value & 0xff) != 0) { 2252 r = USBD_IOERROR; 2253 goto ret; 2254 } 2255 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2256 memcpy(buf, &uhci_confd, l); 2257 buf = (char *)buf + l; 2258 len -= l; 2259 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2260 totlen += l; 2261 memcpy(buf, &uhci_ifcd, l); 2262 buf = (char *)buf + l; 2263 len -= l; 2264 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2265 totlen += l; 2266 memcpy(buf, &uhci_endpd, l); 2267 break; 2268 case UDESC_STRING: 2269 if (len == 0) 2270 break; 2271 *(u_int8_t *)buf = 0; 2272 totlen = 1; 2273 switch (value & 0xff) { 2274 case 1: /* Vendor */ 2275 totlen = uhci_str(buf, len, sc->sc_vendor); 2276 break; 2277 case 2: /* Product */ 2278 totlen = uhci_str(buf, len, "UHCI root hub"); 2279 break; 2280 } 2281 break; 2282 default: 2283 r = USBD_IOERROR; 2284 goto ret; 2285 } 2286 break; 2287 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2288 if (len > 0) { 2289 *(u_int8_t *)buf = 0; 2290 totlen = 1; 2291 } 2292 break; 2293 case C(UR_GET_STATUS, UT_READ_DEVICE): 2294 if (len > 1) { 2295 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2296 totlen = 2; 2297 } 2298 break; 2299 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2300 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2301 if (len > 1) { 2302 USETW(((usb_status_t *)buf)->wStatus, 0); 2303 totlen = 2; 2304 } 2305 break; 2306 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2307 if (value >= USB_MAX_DEVICES) { 2308 r = USBD_IOERROR; 2309 goto ret; 2310 } 2311 sc->sc_addr = value; 2312 break; 2313 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2314 if (value != 0 && value != 1) { 2315 r = USBD_IOERROR; 2316 goto ret; 2317 } 2318 sc->sc_conf = value; 2319 break; 2320 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2321 break; 2322 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2323 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2324 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2325 r = USBD_IOERROR; 2326 goto ret; 2327 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2328 break; 2329 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2330 break; 2331 /* Hub requests */ 2332 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2333 break; 2334 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2335 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2336 "port=%d feature=%d\n", 2337 index, value)); 2338 if (index == 1) 2339 port = UHCI_PORTSC1; 2340 else if (index == 2) 2341 port = UHCI_PORTSC2; 2342 else { 2343 r = USBD_IOERROR; 2344 goto ret; 2345 } 2346 switch(value) { 2347 case UHF_PORT_ENABLE: 2348 x = UREAD2(sc, port); 2349 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2350 break; 2351 case UHF_PORT_SUSPEND: 2352 x = UREAD2(sc, port); 2353 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2354 break; 2355 case UHF_PORT_RESET: 2356 x = UREAD2(sc, port); 2357 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2358 break; 2359 case UHF_C_PORT_CONNECTION: 2360 x = UREAD2(sc, port); 2361 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2362 break; 2363 case UHF_C_PORT_ENABLE: 2364 x = UREAD2(sc, port); 2365 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2366 break; 2367 case UHF_C_PORT_OVER_CURRENT: 2368 x = UREAD2(sc, port); 2369 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2370 break; 2371 case UHF_C_PORT_RESET: 2372 sc->sc_isreset = 0; 2373 r = USBD_NORMAL_COMPLETION; 2374 goto ret; 2375 case UHF_PORT_CONNECTION: 2376 case UHF_PORT_OVER_CURRENT: 2377 case UHF_PORT_POWER: 2378 case UHF_PORT_LOW_SPEED: 2379 case UHF_C_PORT_SUSPEND: 2380 default: 2381 r = USBD_IOERROR; 2382 goto ret; 2383 } 2384 break; 2385 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 2386 if (index == 1) 2387 port = UHCI_PORTSC1; 2388 else if (index == 2) 2389 port = UHCI_PORTSC2; 2390 else { 2391 r = USBD_IOERROR; 2392 goto ret; 2393 } 2394 if (len > 0) { 2395 *(u_int8_t *)buf = 2396 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 2397 UHCI_PORTSC_LS_SHIFT; 2398 totlen = 1; 2399 } 2400 break; 2401 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2402 if (value != 0) { 2403 r = USBD_IOERROR; 2404 goto ret; 2405 } 2406 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 2407 totlen = l; 2408 memcpy(buf, &uhci_hubd_piix, l); 2409 break; 2410 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2411 if (len != 4) { 2412 r = USBD_IOERROR; 2413 goto ret; 2414 } 2415 memset(buf, 0, len); 2416 totlen = len; 2417 break; 2418 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2419 if (index == 1) 2420 port = UHCI_PORTSC1; 2421 else if (index == 2) 2422 port = UHCI_PORTSC2; 2423 else { 2424 r = USBD_IOERROR; 2425 goto ret; 2426 } 2427 if (len != 4) { 2428 r = USBD_IOERROR; 2429 goto ret; 2430 } 2431 x = UREAD2(sc, port); 2432 status = change = 0; 2433 if (x & UHCI_PORTSC_CCS ) 2434 status |= UPS_CURRENT_CONNECT_STATUS; 2435 if (x & UHCI_PORTSC_CSC ) 2436 change |= UPS_C_CONNECT_STATUS; 2437 if (x & UHCI_PORTSC_PE ) 2438 status |= UPS_PORT_ENABLED; 2439 if (x & UHCI_PORTSC_POEDC) 2440 change |= UPS_C_PORT_ENABLED; 2441 if (x & UHCI_PORTSC_OCI ) 2442 status |= UPS_OVERCURRENT_INDICATOR; 2443 if (x & UHCI_PORTSC_OCIC ) 2444 change |= UPS_C_OVERCURRENT_INDICATOR; 2445 if (x & UHCI_PORTSC_SUSP ) 2446 status |= UPS_SUSPEND; 2447 if (x & UHCI_PORTSC_LSDA ) 2448 status |= UPS_LOW_SPEED; 2449 status |= UPS_PORT_POWER; 2450 if (sc->sc_isreset) 2451 change |= UPS_C_PORT_RESET; 2452 USETW(ps.wPortStatus, status); 2453 USETW(ps.wPortChange, change); 2454 l = min(len, sizeof ps); 2455 memcpy(buf, &ps, l); 2456 totlen = l; 2457 break; 2458 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 2459 r = USBD_IOERROR; 2460 goto ret; 2461 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 2462 break; 2463 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 2464 if (index == 1) 2465 port = UHCI_PORTSC1; 2466 else if (index == 2) 2467 port = UHCI_PORTSC2; 2468 else { 2469 r = USBD_IOERROR; 2470 goto ret; 2471 } 2472 switch(value) { 2473 case UHF_PORT_ENABLE: 2474 x = UREAD2(sc, port); 2475 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2476 break; 2477 case UHF_PORT_SUSPEND: 2478 x = UREAD2(sc, port); 2479 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 2480 break; 2481 case UHF_PORT_RESET: 2482 x = UREAD2(sc, port); 2483 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 2484 usbd_delay_ms(&sc->sc_bus, 10); 2485 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2486 delay(100); 2487 x = UREAD2(sc, port); 2488 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2489 delay(100); 2490 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 2491 index, UREAD2(sc, port))); 2492 sc->sc_isreset = 1; 2493 break; 2494 case UHF_C_PORT_CONNECTION: 2495 case UHF_C_PORT_ENABLE: 2496 case UHF_C_PORT_OVER_CURRENT: 2497 case UHF_PORT_CONNECTION: 2498 case UHF_PORT_OVER_CURRENT: 2499 case UHF_PORT_POWER: 2500 case UHF_PORT_LOW_SPEED: 2501 case UHF_C_PORT_SUSPEND: 2502 case UHF_C_PORT_RESET: 2503 default: 2504 r = USBD_IOERROR; 2505 goto ret; 2506 } 2507 break; 2508 default: 2509 r = USBD_IOERROR; 2510 goto ret; 2511 } 2512 reqh->actlen = totlen; 2513 r = USBD_NORMAL_COMPLETION; 2514 ret: 2515 reqh->status = r; 2516 reqh->xfercb(reqh); 2517 usb_start_next(reqh->pipe); 2518 return (USBD_IN_PROGRESS); 2519 } 2520 2521 /* Abort a root control request. */ 2522 void 2523 uhci_root_ctrl_abort(reqh) 2524 usbd_request_handle reqh; 2525 { 2526 /* Nothing to do, all transfers are syncronous. */ 2527 } 2528 2529 /* Close the root pipe. */ 2530 void 2531 uhci_root_ctrl_close(pipe) 2532 usbd_pipe_handle pipe; 2533 { 2534 usb_untimeout(uhci_timo, pipe->intrreqh, pipe->intrreqh->timo_handle); 2535 DPRINTF(("uhci_root_ctrl_close\n")); 2536 } 2537 2538 /* Abort a root interrupt request. */ 2539 void 2540 uhci_root_intr_abort(reqh) 2541 usbd_request_handle reqh; 2542 { 2543 usb_untimeout(uhci_timo, reqh, reqh->timo_handle); 2544 } 2545 2546 usbd_status 2547 uhci_root_intr_transfer(reqh) 2548 usbd_request_handle reqh; 2549 { 2550 int s; 2551 usbd_status r; 2552 2553 s = splusb(); 2554 r = usb_insert_transfer(reqh); 2555 splx(s); 2556 if (r != USBD_NORMAL_COMPLETION) 2557 return (r); 2558 else 2559 return (uhci_root_intr_start(reqh)); 2560 } 2561 2562 /* Start a transfer on the root interrupt pipe */ 2563 usbd_status 2564 uhci_root_intr_start(reqh) 2565 usbd_request_handle reqh; 2566 { 2567 usbd_pipe_handle pipe = reqh->pipe; 2568 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2569 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2570 usb_dma_t *dmap; 2571 usbd_status r; 2572 int len; 2573 2574 DPRINTFN(3, ("uhci_root_intr_transfer: reqh=%p buf=%p len=%d " 2575 "flags=%d\n", 2576 reqh, reqh->buffer, reqh->length, reqh->flags)); 2577 2578 len = reqh->length; 2579 dmap = &upipe->u.intr.datadma; 2580 if (len == 0) 2581 return (USBD_INVAL); /* XXX should it be? */ 2582 2583 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 2584 if (r != USBD_NORMAL_COMPLETION) 2585 return (r); 2586 2587 sc->sc_ival = MS_TO_TICKS(reqh->pipe->endpoint->edesc->bInterval); 2588 usb_timeout(uhci_timo, reqh, sc->sc_ival, reqh->timo_handle); 2589 return (USBD_IN_PROGRESS); 2590 } 2591 2592 /* Close the root interrupt pipe. */ 2593 void 2594 uhci_root_intr_close(pipe) 2595 usbd_pipe_handle pipe; 2596 { 2597 usb_untimeout(uhci_timo, pipe->intrreqh, pipe->intrreqh->timo_handle); 2598 DPRINTF(("uhci_root_intr_close\n")); 2599 } 2600
Indexes created Tue Sep 30 20:09:53 GMT 2025