uhci.c revision 1.46
1 /* $NetBSD: uhci.c,v 1.46 1999/09/05 19:32:18 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 e.g. 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.usb.org/developers/data/usb11.pdf 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__) || defined(__OpenBSD__) 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 #if defined(__FreeBSD__) 65 #include <machine/bus_pio.h> 66 #endif 67 #include <machine/bus.h> 68 #include <machine/endian.h> 69 70 #include <dev/usb/usb.h> 71 #include <dev/usb/usbdi.h> 72 #include <dev/usb/usbdivar.h> 73 #include <dev/usb/usb_mem.h> 74 #include <dev/usb/usb_quirks.h> 75 76 #include <dev/usb/uhcireg.h> 77 #include <dev/usb/uhcivar.h> 78 79 #if defined(__FreeBSD__) 80 #include <machine/clock.h> 81 82 #define delay(d) DELAY(d) 83 #endif 84 85 #define MS_TO_TICKS(ms) ((ms) * hz / 1000) 86 87 #if defined(__OpenBSD__) 88 struct cfdriver uhci_cd = { 89 NULL, "uhci", DV_DULL 90 }; 91 #endif 92 93 /* 94 * The UHCI controller is little endian, so on big endian machines 95 * the data strored in memory needs to be swapped. 96 */ 97 #if BYTE_ORDER == BIG_ENDIAN 98 #define LE(x) (bswap32(x)) 99 #else 100 #define LE(x) (x) 101 #endif 102 103 struct uhci_pipe { 104 struct usbd_pipe pipe; 105 uhci_intr_info_t *iinfo; 106 int nexttoggle; 107 /* Info needed for different pipe kinds. */ 108 union { 109 /* Control pipe */ 110 struct { 111 uhci_soft_qh_t *sqh; 112 usb_dma_t reqdma; 113 usb_dma_t datadma; 114 uhci_soft_td_t *setup, *stat; 115 u_int length; 116 } ctl; 117 /* Interrupt pipe */ 118 struct { 119 usb_dma_t datadma; 120 int npoll; 121 uhci_soft_qh_t **qhs; 122 } intr; 123 /* Bulk pipe */ 124 struct { 125 uhci_soft_qh_t *sqh; 126 usb_dma_t datadma; 127 u_int length; 128 int isread; 129 } bulk; 130 /* Iso pipe */ 131 struct iso { 132 u_int bufsize; 133 u_int nbuf; 134 usb_dma_t *bufs; 135 uhci_soft_td_t **stds; 136 } iso; 137 } u; 138 }; 139 140 /* 141 * The uhci_intr_info free list can be global since they contain 142 * no dma specific data. The other free lists do. 143 */ 144 LIST_HEAD(, uhci_intr_info) uhci_ii_free; 145 146 void uhci_busreset __P((uhci_softc_t *)); 147 void uhci_power __P((int, void *)); 148 usbd_status uhci_run __P((uhci_softc_t *, int run)); 149 uhci_soft_td_t *uhci_alloc_std __P((uhci_softc_t *)); 150 void uhci_free_std __P((uhci_softc_t *, uhci_soft_td_t *)); 151 uhci_soft_qh_t *uhci_alloc_sqh __P((uhci_softc_t *)); 152 void uhci_free_sqh __P((uhci_softc_t *, uhci_soft_qh_t *)); 153 uhci_intr_info_t *uhci_alloc_intr_info __P((uhci_softc_t *)); 154 void uhci_free_intr_info __P((uhci_intr_info_t *ii)); 155 #if 0 156 void uhci_enter_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *, 157 uhci_intr_info_t *)); 158 void uhci_exit_ctl_q __P((uhci_softc_t *, uhci_soft_qh_t *)); 159 #endif 160 161 void uhci_free_std_chain __P((uhci_softc_t *, 162 uhci_soft_td_t *, uhci_soft_td_t *)); 163 usbd_status uhci_alloc_std_chain __P((struct uhci_pipe *, uhci_softc_t *, 164 int, int, int, usb_dma_t *, 165 uhci_soft_td_t **, 166 uhci_soft_td_t **)); 167 void uhci_timo __P((void *)); 168 void uhci_waitintr __P((uhci_softc_t *, usbd_request_handle)); 169 void uhci_check_intr __P((uhci_softc_t *, uhci_intr_info_t *)); 170 void uhci_idone __P((uhci_intr_info_t *)); 171 void uhci_abort_req __P((usbd_request_handle, usbd_status status)); 172 void uhci_abort_req_end __P((void *v)); 173 void uhci_timeout __P((void *)); 174 void uhci_wakeup_ctrl __P((void *, int, int, void *, int)); 175 void uhci_lock_frames __P((uhci_softc_t *)); 176 void uhci_unlock_frames __P((uhci_softc_t *)); 177 void uhci_add_ctrl __P((uhci_softc_t *, uhci_soft_qh_t *)); 178 void uhci_add_bulk __P((uhci_softc_t *, uhci_soft_qh_t *)); 179 void uhci_remove_ctrl __P((uhci_softc_t *, uhci_soft_qh_t *)); 180 void uhci_remove_bulk __P((uhci_softc_t *, uhci_soft_qh_t *)); 181 int uhci_str __P((usb_string_descriptor_t *, int, char *)); 182 183 void uhci_wakeup_cb __P((usbd_request_handle reqh)); 184 185 usbd_status uhci_device_ctrl_transfer __P((usbd_request_handle)); 186 usbd_status uhci_device_ctrl_start __P((usbd_request_handle)); 187 void uhci_device_ctrl_abort __P((usbd_request_handle)); 188 void uhci_device_ctrl_close __P((usbd_pipe_handle)); 189 void uhci_device_ctrl_done __P((usbd_request_handle)); 190 191 usbd_status uhci_device_intr_transfer __P((usbd_request_handle)); 192 usbd_status uhci_device_intr_start __P((usbd_request_handle)); 193 void uhci_device_intr_abort __P((usbd_request_handle)); 194 void uhci_device_intr_close __P((usbd_pipe_handle)); 195 void uhci_device_intr_done __P((usbd_request_handle)); 196 197 usbd_status uhci_device_bulk_transfer __P((usbd_request_handle)); 198 usbd_status uhci_device_bulk_start __P((usbd_request_handle)); 199 void uhci_device_bulk_abort __P((usbd_request_handle)); 200 void uhci_device_bulk_close __P((usbd_pipe_handle)); 201 void uhci_device_bulk_done __P((usbd_request_handle)); 202 203 usbd_status uhci_device_isoc_transfer __P((usbd_request_handle)); 204 usbd_status uhci_device_isoc_start __P((usbd_request_handle)); 205 void uhci_device_isoc_abort __P((usbd_request_handle)); 206 void uhci_device_isoc_close __P((usbd_pipe_handle)); 207 void uhci_device_isoc_done __P((usbd_request_handle)); 208 usbd_status uhci_device_isoc_setbuf __P((usbd_pipe_handle, u_int, u_int)); 209 210 usbd_status uhci_root_ctrl_transfer __P((usbd_request_handle)); 211 usbd_status uhci_root_ctrl_start __P((usbd_request_handle)); 212 void uhci_root_ctrl_abort __P((usbd_request_handle)); 213 void uhci_root_ctrl_close __P((usbd_pipe_handle)); 214 215 usbd_status uhci_root_intr_transfer __P((usbd_request_handle)); 216 usbd_status uhci_root_intr_start __P((usbd_request_handle)); 217 void uhci_root_intr_abort __P((usbd_request_handle)); 218 void uhci_root_intr_close __P((usbd_pipe_handle)); 219 void uhci_root_intr_done __P((usbd_request_handle)); 220 221 usbd_status uhci_open __P((usbd_pipe_handle)); 222 void uhci_poll __P((struct usbd_bus *)); 223 224 usbd_status uhci_device_request __P((usbd_request_handle reqh)); 225 226 void uhci_add_intr __P((uhci_softc_t *, int, uhci_soft_qh_t *)); 227 void uhci_remove_intr __P((uhci_softc_t *, int, uhci_soft_qh_t *)); 228 usbd_status uhci_device_setintr __P((uhci_softc_t *sc, 229 struct uhci_pipe *pipe, int ival)); 230 231 void uhci_device_clear_toggle __P((usbd_pipe_handle pipe)); 232 void uhci_noop __P((usbd_pipe_handle pipe)); 233 234 #ifdef USB_DEBUG 235 static void uhci_dumpregs __P((uhci_softc_t *)); 236 void uhci_dump_tds __P((uhci_soft_td_t *)); 237 void uhci_dump_qh __P((uhci_soft_qh_t *)); 238 void uhci_dump __P((void)); 239 void uhci_dump_td __P((uhci_soft_td_t *)); 240 #endif 241 242 #define UWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)) 243 #define UWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)) 244 #define UREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r)) 245 #define UREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r)) 246 #define UREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r)) 247 248 #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) 249 #define UHCISTS(sc) UREAD2(sc, UHCI_STS) 250 251 #define UHCI_RESET_TIMEOUT 100 /* reset timeout */ 252 253 #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) 254 255 #define UHCI_INTR_ENDPT 1 256 257 struct usbd_methods uhci_root_ctrl_methods = { 258 uhci_root_ctrl_transfer, 259 uhci_root_ctrl_start, 260 uhci_root_ctrl_abort, 261 uhci_root_ctrl_close, 262 uhci_noop, 263 0, 264 0, 265 }; 266 267 struct usbd_methods uhci_root_intr_methods = { 268 uhci_root_intr_transfer, 269 uhci_root_intr_start, 270 uhci_root_intr_abort, 271 uhci_root_intr_close, 272 uhci_noop, 273 uhci_root_intr_done, 274 0, 275 }; 276 277 struct usbd_methods uhci_device_ctrl_methods = { 278 uhci_device_ctrl_transfer, 279 uhci_device_ctrl_start, 280 uhci_device_ctrl_abort, 281 uhci_device_ctrl_close, 282 uhci_noop, 283 uhci_device_ctrl_done, 284 0, 285 }; 286 287 struct usbd_methods uhci_device_intr_methods = { 288 uhci_device_intr_transfer, 289 uhci_device_intr_start, 290 uhci_device_intr_abort, 291 uhci_device_intr_close, 292 uhci_device_clear_toggle, 293 uhci_device_intr_done, 294 0, 295 }; 296 297 struct usbd_methods uhci_device_bulk_methods = { 298 uhci_device_bulk_transfer, 299 uhci_device_bulk_start, 300 uhci_device_bulk_abort, 301 uhci_device_bulk_close, 302 uhci_device_clear_toggle, 303 uhci_device_bulk_done, 304 0, 305 }; 306 307 struct usbd_methods uhci_device_isoc_methods = { 308 uhci_device_isoc_transfer, 309 uhci_device_isoc_start, 310 uhci_device_isoc_abort, 311 uhci_device_isoc_close, 312 uhci_noop, 313 uhci_device_isoc_done, 314 uhci_device_isoc_setbuf, 315 }; 316 317 void 318 uhci_busreset(sc) 319 uhci_softc_t *sc; 320 { 321 UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ 322 usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ 323 UHCICMD(sc, 0); /* do nothing */ 324 } 325 326 usbd_status 327 uhci_init(sc) 328 uhci_softc_t *sc; 329 { 330 usbd_status r; 331 int i, j; 332 uhci_soft_qh_t *csqh, *bsqh, *sqh; 333 uhci_soft_td_t *std; 334 335 DPRINTFN(1,("uhci_init: start\n")); 336 337 #if defined(USB_DEBUG) 338 if (uhcidebug > 2) 339 uhci_dumpregs(sc); 340 #endif 341 342 uhci_run(sc, 0); /* stop the controller */ 343 UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ 344 345 uhci_busreset(sc); 346 347 /* Allocate and initialize real frame array. */ 348 r = usb_allocmem(sc->sc_dmatag, 349 UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), 350 UHCI_FRAMELIST_ALIGN, &sc->sc_dma); 351 if (r != USBD_NORMAL_COMPLETION) 352 return (r); 353 sc->sc_pframes = KERNADDR(&sc->sc_dma); 354 UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */ 355 UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma)); /* set frame list*/ 356 357 /* Allocate the dummy QH where bulk traffic will be queued. */ 358 bsqh = uhci_alloc_sqh(sc); 359 if (!bsqh) 360 return (USBD_NOMEM); 361 bsqh->qh.qh_hlink = LE(UHCI_PTR_T); /* end of QH chain */ 362 bsqh->qh.qh_elink = LE(UHCI_PTR_T); 363 sc->sc_bulk_start = sc->sc_bulk_end = bsqh; 364 365 /* Allocate the dummy QH where control traffic will be queued. */ 366 csqh = uhci_alloc_sqh(sc); 367 if (!csqh) 368 return (USBD_NOMEM); 369 csqh->hlink = bsqh; 370 csqh->qh.qh_hlink = LE(bsqh->physaddr | UHCI_PTR_Q); 371 csqh->qh.qh_elink = LE(UHCI_PTR_T); 372 sc->sc_ctl_start = sc->sc_ctl_end = csqh; 373 374 /* 375 * Make all (virtual) frame list pointers point to the interrupt 376 * queue heads and the interrupt queue heads at the control 377 * queue head and point the physical frame list to the virtual. 378 */ 379 for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 380 std = uhci_alloc_std(sc); 381 sqh = uhci_alloc_sqh(sc); 382 if (!std || !sqh) 383 return (USBD_NOMEM); 384 std->link.sqh = sqh; 385 std->td.td_link = LE(sqh->physaddr | UHCI_PTR_Q); 386 std->td.td_status = LE(UHCI_TD_IOS); /* iso, inactive */ 387 std->td.td_token = LE(0); 388 std->td.td_buffer = LE(0); 389 sqh->hlink = csqh; 390 sqh->qh.qh_hlink = LE(csqh->physaddr | UHCI_PTR_Q); 391 sqh->elink = 0; 392 sqh->qh.qh_elink = LE(UHCI_PTR_T); 393 sc->sc_vframes[i].htd = std; 394 sc->sc_vframes[i].etd = std; 395 sc->sc_vframes[i].hqh = sqh; 396 sc->sc_vframes[i].eqh = sqh; 397 for (j = i; 398 j < UHCI_FRAMELIST_COUNT; 399 j += UHCI_VFRAMELIST_COUNT) 400 sc->sc_pframes[j] = LE(std->physaddr); 401 } 402 403 LIST_INIT(&sc->sc_intrhead); 404 405 /* Set up the bus struct. */ 406 sc->sc_bus.open_pipe = uhci_open; 407 sc->sc_bus.pipe_size = sizeof(struct uhci_pipe); 408 sc->sc_bus.do_poll = uhci_poll; 409 410 sc->sc_suspend = PWR_RESUME; 411 powerhook_establish(uhci_power, sc); 412 413 DPRINTFN(1,("uhci_init: enabling\n")); 414 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 415 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */ 416 417 return (uhci_run(sc, 1)); /* and here we go... */ 418 } 419 420 #if !defined(__OpenBSD__) 421 /* 422 * Handle suspend/resume. 423 * 424 * We need to switch to polling mode here, because this routine is 425 * called from an intterupt context. This is all right since we 426 * are almost suspended anyway. 427 */ 428 void 429 uhci_power(why, v) 430 int why; 431 void *v; 432 { 433 uhci_softc_t *sc = v; 434 int cmd; 435 int s; 436 437 s = splusb(); 438 cmd = UREAD2(sc, UHCI_CMD); 439 440 DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", 441 sc, why, sc->sc_suspend, cmd)); 442 443 if (why != PWR_RESUME) { 444 #if defined(USB_DEBUG) 445 if (uhcidebug > 2) 446 uhci_dumpregs(sc); 447 #endif 448 if (sc->sc_has_timo) 449 usb_untimeout(uhci_timo, sc->sc_has_timo, 450 sc->sc_has_timo->timo_handle); 451 sc->sc_bus.use_polling = 1; 452 uhci_run(sc, 0); /* stop the controller */ 453 UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ 454 usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); 455 sc->sc_suspend = why; 456 DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); 457 } else { 458 /* 459 * XXX We should really do much more here in case the 460 * controller registers have been lost and BIOS has 461 * not restored them. 462 */ 463 sc->sc_suspend = why; 464 if (cmd & UHCI_CMD_RS) 465 uhci_run(sc, 0); /* in case BIOS has started it */ 466 UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ 467 usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); 468 UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ 469 UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | 470 UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ 471 uhci_run(sc, 1); /* and start traffic again */ 472 usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); 473 sc->sc_bus.use_polling = 0; 474 if (sc->sc_has_timo) 475 usb_timeout(uhci_timo, sc->sc_has_timo, 476 sc->sc_ival, sc->sc_has_timo->timo_handle); 477 #if defined(USB_DEBUG) 478 if (uhcidebug > 2) 479 uhci_dumpregs(sc); 480 #endif 481 } 482 splx(s); 483 } 484 #endif /* !defined(__OpenBSD__) */ 485 486 #ifdef USB_DEBUG 487 static void 488 uhci_dumpregs(sc) 489 uhci_softc_t *sc; 490 { 491 printf("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " 492 "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", 493 USBDEVNAME(sc->sc_bus.bdev), 494 UREAD2(sc, UHCI_CMD), 495 UREAD2(sc, UHCI_STS), 496 UREAD2(sc, UHCI_INTR), 497 UREAD2(sc, UHCI_FRNUM), 498 UREAD4(sc, UHCI_FLBASEADDR), 499 UREAD1(sc, UHCI_SOF), 500 UREAD2(sc, UHCI_PORTSC1), 501 UREAD2(sc, UHCI_PORTSC2)); 502 } 503 504 int uhci_longtd = 1; 505 506 void 507 uhci_dump_td(p) 508 uhci_soft_td_t *p; 509 { 510 printf("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " 511 "token=0x%08lx buffer=0x%08lx\n", 512 p, (long)p->physaddr, 513 (long)LE(p->td.td_link), 514 (long)LE(p->td.td_status), 515 (long)LE(p->td.td_token), 516 (long)LE(p->td.td_buffer)); 517 if (uhci_longtd) 518 printf(" %b %b,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," 519 "D=%d,maxlen=%d\n", 520 (int)LE(p->td.td_link), 521 "\20\1T\2Q\3VF", 522 (int)LE(p->td.td_status), 523 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 524 "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", 525 UHCI_TD_GET_ERRCNT(LE(p->td.td_status)), 526 UHCI_TD_GET_ACTLEN(LE(p->td.td_status)), 527 UHCI_TD_GET_PID(LE(p->td.td_token)), 528 UHCI_TD_GET_DEVADDR(LE(p->td.td_token)), 529 UHCI_TD_GET_ENDPT(LE(p->td.td_token)), 530 UHCI_TD_GET_DT(LE(p->td.td_token)), 531 UHCI_TD_GET_MAXLEN(LE(p->td.td_token))); 532 } 533 534 void 535 uhci_dump_qh(p) 536 uhci_soft_qh_t *p; 537 { 538 printf("QH(%p) at %08x: hlink=%08x elink=%08x\n", p, (int)p->physaddr, 539 LE(p->qh.qh_hlink), LE(p->qh.qh_elink)); 540 } 541 542 543 #if 0 544 void 545 uhci_dump() 546 { 547 uhci_softc_t *sc = uhci; 548 549 uhci_dumpregs(sc); 550 printf("intrs=%d\n", sc->sc_intrs); 551 printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link); 552 uhci_dump_qh(sc->sc_ctl_start->qh.hlink); 553 } 554 #endif 555 556 void 557 uhci_dump_tds(std) 558 uhci_soft_td_t *std; 559 { 560 uhci_soft_td_t *p; 561 562 for(p = std; p; p = p->link.std) 563 uhci_dump_td(p); 564 } 565 #endif 566 567 /* 568 * This routine is executed periodically and simulates interrupts 569 * from the root controller interrupt pipe for port status change. 570 */ 571 void 572 uhci_timo(addr) 573 void *addr; 574 { 575 usbd_request_handle reqh = addr; 576 usbd_pipe_handle pipe = reqh->pipe; 577 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 578 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 579 int s; 580 u_char *p; 581 582 DPRINTFN(15, ("uhci_timo\n")); 583 584 usb_timeout(uhci_timo, reqh, sc->sc_ival, reqh->timo_handle); 585 586 p = KERNADDR(&upipe->u.intr.datadma); 587 p[0] = 0; 588 if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 589 p[0] |= 1<<1; 590 if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) 591 p[0] |= 1<<2; 592 if (p[0] == 0) 593 /* No change, try again in a while */ 594 return; 595 596 reqh->actlen = 1; 597 reqh->status = USBD_NORMAL_COMPLETION; 598 s = splusb(); 599 reqh->hcpriv = 0; 600 usb_transfer_complete(reqh); 601 splx(s); 602 } 603 604 void 605 uhci_root_intr_done(reqh) 606 usbd_request_handle reqh; 607 { 608 usbd_pipe_handle pipe = reqh->pipe; 609 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 610 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 611 612 if (!reqh->pipe->repeat) 613 usb_freemem(sc->sc_dmatag, &upipe->u.intr.datadma); 614 } 615 616 617 void 618 uhci_lock_frames(sc) 619 uhci_softc_t *sc; 620 { 621 int s = splusb(); 622 while (sc->sc_vflock) { 623 sc->sc_vflock |= UHCI_WANT_LOCK; 624 tsleep(&sc->sc_vflock, PRIBIO, "uhcqhl", 0); 625 } 626 sc->sc_vflock = UHCI_HAS_LOCK; 627 splx(s); 628 } 629 630 void 631 uhci_unlock_frames(sc) 632 uhci_softc_t *sc; 633 { 634 int s = splusb(); 635 sc->sc_vflock &= ~UHCI_HAS_LOCK; 636 if (sc->sc_vflock & UHCI_WANT_LOCK) 637 wakeup(&sc->sc_vflock); 638 splx(s); 639 } 640 641 /* 642 * Allocate an interrupt information struct. A free list is kept 643 * for fast allocation. 644 */ 645 uhci_intr_info_t * 646 uhci_alloc_intr_info(sc) 647 uhci_softc_t *sc; 648 { 649 uhci_intr_info_t *ii; 650 651 ii = LIST_FIRST(&uhci_ii_free); 652 if (ii) 653 LIST_REMOVE(ii, list); 654 else { 655 ii = malloc(sizeof(uhci_intr_info_t), M_USBHC, M_NOWAIT); 656 } 657 ii->sc = sc; 658 return ii; 659 } 660 661 void 662 uhci_free_intr_info(ii) 663 uhci_intr_info_t *ii; 664 { 665 LIST_INSERT_HEAD(&uhci_ii_free, ii, list); /* and put on free list */ 666 } 667 668 /* Add control QH, called at splusb(). */ 669 void 670 uhci_add_ctrl(sc, sqh) 671 uhci_softc_t *sc; 672 uhci_soft_qh_t *sqh; 673 { 674 uhci_soft_qh_t *eqh; 675 676 DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); 677 eqh = sc->sc_ctl_end; 678 sqh->hlink = eqh->hlink; 679 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 680 eqh->hlink = sqh; 681 eqh->qh.qh_hlink = LE(sqh->physaddr | UHCI_PTR_Q); 682 sc->sc_ctl_end = sqh; 683 } 684 685 /* Remove control QH, called at splusb(). */ 686 void 687 uhci_remove_ctrl(sc, sqh) 688 uhci_softc_t *sc; 689 uhci_soft_qh_t *sqh; 690 { 691 uhci_soft_qh_t *pqh; 692 693 DPRINTFN(10, ("uhci_remove_ctrl: sqh=%p\n", sqh)); 694 for (pqh = sc->sc_ctl_start; pqh->hlink != sqh; pqh=pqh->hlink) 695 #if defined(DIAGNOSTIC) || defined(USB_DEBUG) 696 if (LE(pqh->qh.qh_hlink) & UHCI_PTR_T) { 697 printf("uhci_remove_ctrl: QH not found\n"); 698 return; 699 } 700 #else 701 ; 702 #endif 703 pqh->hlink = sqh->hlink; 704 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 705 if (sc->sc_ctl_end == sqh) 706 sc->sc_ctl_end = pqh; 707 } 708 709 /* Add bulk QH, called at splusb(). */ 710 void 711 uhci_add_bulk(sc, sqh) 712 uhci_softc_t *sc; 713 uhci_soft_qh_t *sqh; 714 { 715 uhci_soft_qh_t *eqh; 716 717 DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); 718 eqh = sc->sc_bulk_end; 719 sqh->hlink = eqh->hlink; 720 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 721 eqh->hlink = sqh; 722 eqh->qh.qh_hlink = LE(sqh->physaddr | UHCI_PTR_Q); 723 sc->sc_bulk_end = sqh; 724 } 725 726 /* Remove bulk QH, called at splusb(). */ 727 void 728 uhci_remove_bulk(sc, sqh) 729 uhci_softc_t *sc; 730 uhci_soft_qh_t *sqh; 731 { 732 uhci_soft_qh_t *pqh; 733 734 DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); 735 for (pqh = sc->sc_bulk_start; pqh->hlink != sqh; pqh = pqh->hlink) 736 #if defined(DIAGNOSTIC) || defined(USB_DEBUG) 737 if (LE(pqh->qh.qh_hlink) & UHCI_PTR_T) { 738 printf("uhci_remove_bulk: QH not found\n"); 739 return; 740 } 741 #else 742 ; 743 #endif 744 pqh->hlink = sqh->hlink; 745 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 746 if (sc->sc_bulk_end == sqh) 747 sc->sc_bulk_end = pqh; 748 } 749 750 int 751 uhci_intr(arg) 752 void *arg; 753 { 754 uhci_softc_t *sc = arg; 755 int status; 756 int ack; 757 uhci_intr_info_t *ii; 758 759 sc->sc_intrs++; 760 761 #if defined(USB_DEBUG) 762 if (uhcidebug > 15) { 763 DPRINTF(("%s: uhci_intr\n", USBDEVNAME(sc->sc_bus.bdev))); 764 uhci_dumpregs(sc); 765 } 766 #endif 767 768 #if defined(DIAGNOSTIC) && defined(__NetBSD__) 769 if (sc->sc_suspend != PWR_RESUME) 770 printf("uhci_intr: suspended sts=0x%x\n", status); 771 #endif 772 773 status = UREAD2(sc, UHCI_STS); 774 ack = 0; 775 if (status & UHCI_STS_USBINT) 776 ack |= UHCI_STS_USBINT; 777 if (status & UHCI_STS_USBEI) 778 ack |= UHCI_STS_USBEI; 779 if (status & UHCI_STS_RD) { 780 ack |= UHCI_STS_RD; 781 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 782 } 783 if (status & UHCI_STS_HSE) { 784 ack |= UHCI_STS_HSE; 785 printf("%s: host controller process error\n", 786 USBDEVNAME(sc->sc_bus.bdev)); 787 } 788 if (status & UHCI_STS_HCPE) { 789 ack |= UHCI_STS_HCPE; 790 printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); 791 } 792 if (status & UHCI_STS_HCH) { 793 /* no acknowledge needed */ 794 printf("%s: host controller halted\n", 795 USBDEVNAME(sc->sc_bus.bdev)); 796 } 797 798 if (ack) /* acknowledge the ints */ 799 UWRITE2(sc, UHCI_STS, ack); 800 else /* nothing to acknowledge */ 801 return (0); 802 803 /* 804 * Interrupts on UHCI really suck. When the host controller 805 * interrupts because a transfer is completed there is no 806 * way of knowing which transfer it was. You can scan down 807 * the TDs and QHs of the previous frame to limit the search, 808 * but that assumes that the interrupt was not delayed by more 809 * than 1 ms, which may not always be true (e.g. after debug 810 * output on a slow console). 811 * We scan all interrupt descriptors to see if any have 812 * completed. 813 */ 814 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 815 uhci_check_intr(sc, ii); 816 817 DPRINTFN(10, ("uhci_intr: exit\n")); 818 819 return (1); 820 } 821 822 /* Check for an interrupt. */ 823 void 824 uhci_check_intr(sc, ii) 825 uhci_softc_t *sc; 826 uhci_intr_info_t *ii; 827 { 828 uhci_soft_td_t *std, *lstd; 829 u_int32_t status; 830 831 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 832 #ifdef DIAGNOSTIC 833 if (!ii) { 834 printf("uhci_check_intr: no ii? %p\n", ii); 835 return; 836 } 837 #endif 838 if (!ii->stdstart) 839 return; 840 lstd = ii->stdend; 841 #ifdef DIAGNOSTIC 842 if (!lstd) { 843 printf("uhci_check_intr: std==0\n"); 844 return; 845 } 846 #endif 847 /* 848 * If the last TD is still active we need to check whether there 849 * is a an error somewhere in the middle, or whether there was a 850 * short packet (SPD and not ACTIVE). 851 */ 852 if (LE(lstd->td.td_status) & UHCI_TD_ACTIVE) { 853 DPRINTFN(15, ("uhci_check_intr: active ii=%p\n", ii)); 854 for (std = ii->stdstart; std != lstd; std = std->link.std){ 855 status = LE(std->td.td_status); 856 if ((status & UHCI_TD_STALLED) || 857 (status & (UHCI_TD_SPD | UHCI_TD_ACTIVE)) == 858 UHCI_TD_SPD) 859 goto done; 860 } 861 DPRINTFN(15, ("uhci_check_intr: ii=%p std=%p still active\n", 862 ii, ii->stdstart)); 863 return; 864 } 865 done: 866 usb_untimeout(uhci_timeout, ii, ii->timeout_handle); 867 uhci_idone(ii); 868 } 869 870 void 871 uhci_idone(ii) 872 uhci_intr_info_t *ii; 873 { 874 usbd_request_handle reqh = ii->reqh; 875 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 876 uhci_soft_td_t *std; 877 u_int32_t status; 878 int actlen; 879 880 #ifdef USB_DEBUG 881 DPRINTFN(10, ("uhci_idone: ii=%p ready\n", ii)); 882 if (uhcidebug > 10) 883 uhci_dump_tds(ii->stdstart); 884 #endif 885 886 if (reqh->status == USBD_CANCELLED || 887 reqh->status == USBD_TIMEOUT) { 888 DPRINTF(("uhci_idone: aborted reqh=%p\n", reqh)); 889 return; 890 } 891 892 #ifdef DIAGNOSTIC 893 { 894 int s = splhigh(); 895 if (ii->isdone) { 896 splx(s); 897 printf("uhci_idone: ii=%p is done!\n", ii); 898 return; 899 } 900 ii->isdone = 1; 901 splx(s); 902 } 903 #endif 904 905 /* The transfer is done, compute actual length and status. */ 906 /* XXX Is this correct for control xfers? */ 907 actlen = 0; 908 for (std = ii->stdstart; std; std = std->link.std) { 909 status = LE(std->td.td_status); 910 if (status & UHCI_TD_ACTIVE) 911 break; 912 if (UHCI_TD_GET_PID(LE(std->td.td_token)) != 913 UHCI_TD_PID_SETUP) 914 actlen += UHCI_TD_GET_ACTLEN(status); 915 } 916 /* If there are left over TDs we need to update the toggle. */ 917 if (std) 918 upipe->nexttoggle = UHCI_TD_GET_DT(LE(std->td.td_token)); 919 920 status &= UHCI_TD_ERROR; 921 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 922 actlen, status)); 923 reqh->actlen = actlen; 924 if (status != 0) { 925 DPRINTFN(-1+((status&UHCI_TD_STALLED)!=0), 926 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 927 "status 0x%b\n", 928 reqh->pipe->device->address, 929 reqh->pipe->endpoint->edesc->bEndpointAddress, 930 (int)status, 931 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 932 "STALLED\30ACTIVE")); 933 if (status == UHCI_TD_STALLED) 934 reqh->status = USBD_STALLED; 935 else 936 reqh->status = USBD_IOERROR; /* more info XXX */ 937 } else { 938 reqh->status = USBD_NORMAL_COMPLETION; 939 } 940 reqh->hcpriv = ii; 941 usb_transfer_complete(reqh); 942 } 943 944 /* 945 * Called when a request does not complete. 946 */ 947 void 948 uhci_timeout(addr) 949 void *addr; 950 { 951 uhci_intr_info_t *ii = addr; 952 953 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 954 uhci_abort_req(ii->reqh, USBD_TIMEOUT); 955 } 956 957 /* 958 * Wait here until controller claims to have an interrupt. 959 * Then call uhci_intr and return. Use timeout to avoid waiting 960 * too long. 961 * Only used during boot when interrupts are not enabled yet. 962 */ 963 void 964 uhci_waitintr(sc, reqh) 965 uhci_softc_t *sc; 966 usbd_request_handle reqh; 967 { 968 int timo = reqh->timeout; 969 uhci_intr_info_t *ii; 970 971 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 972 973 reqh->status = USBD_IN_PROGRESS; 974 for (; timo >= 0; timo--) { 975 usb_delay_ms(&sc->sc_bus, 1); 976 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 977 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 978 uhci_intr(sc); 979 if (reqh->status != USBD_IN_PROGRESS) 980 return; 981 } 982 } 983 984 /* Timeout */ 985 DPRINTF(("uhci_waitintr: timeout\n")); 986 for (ii = LIST_FIRST(&sc->sc_intrhead); 987 ii && ii->reqh != reqh; 988 ii = LIST_NEXT(ii, list)) 989 ; 990 #ifdef DIAGNOSTIC 991 if (!ii) 992 panic("uhci_waitintr: lost intr_info\n"); 993 #endif 994 uhci_idone(ii); 995 } 996 997 void 998 uhci_poll(bus) 999 struct usbd_bus *bus; 1000 { 1001 uhci_softc_t *sc = (uhci_softc_t *)bus; 1002 1003 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1004 uhci_intr(sc); 1005 } 1006 1007 #if 0 1008 void 1009 uhci_reset(p) 1010 void *p; 1011 { 1012 uhci_softc_t *sc = p; 1013 int n; 1014 1015 UHCICMD(sc, UHCI_CMD_HCRESET); 1016 /* The reset bit goes low when the controller is done. */ 1017 for (n = 0; n < UHCI_RESET_TIMEOUT && 1018 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1019 delay(100); 1020 if (n >= UHCI_RESET_TIMEOUT) 1021 printf("%s: controller did not reset\n", 1022 USBDEVNAME(sc->sc_bus.bdev)); 1023 } 1024 #endif 1025 1026 usbd_status 1027 uhci_run(sc, run) 1028 uhci_softc_t *sc; 1029 int run; 1030 { 1031 int s, n, running; 1032 1033 run = run != 0; 1034 s = splusb(); 1035 DPRINTF(("uhci_run: setting run=%d\n", run)); 1036 UHCICMD(sc, run ? UHCI_CMD_RS : 0); 1037 for(n = 0; n < 10; n++) { 1038 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1039 /* return when we've entered the state we want */ 1040 if (run == running) { 1041 splx(s); 1042 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1043 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1044 return (USBD_NORMAL_COMPLETION); 1045 } 1046 usb_delay_ms(&sc->sc_bus, 1); 1047 } 1048 splx(s); 1049 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1050 run ? "start" : "stop"); 1051 return (USBD_IOERROR); 1052 } 1053 1054 /* 1055 * Memory management routines. 1056 * uhci_alloc_std allocates TDs 1057 * uhci_alloc_sqh allocates QHs 1058 * These two routines do their own free list management, 1059 * partly for speed, partly because allocating DMAable memory 1060 * has page size granularaity so much memory would be wasted if 1061 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1062 */ 1063 1064 uhci_soft_td_t * 1065 uhci_alloc_std(sc) 1066 uhci_softc_t *sc; 1067 { 1068 uhci_soft_td_t *std; 1069 usbd_status r; 1070 int i, offs; 1071 usb_dma_t dma; 1072 1073 if (!sc->sc_freetds) { 1074 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1075 r = usb_allocmem(sc->sc_dmatag, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1076 UHCI_TD_ALIGN, &dma); 1077 if (r != USBD_NORMAL_COMPLETION) 1078 return (0); 1079 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1080 offs = i * UHCI_STD_SIZE; 1081 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1082 std->physaddr = DMAADDR(&dma) + offs; 1083 std->link.std = sc->sc_freetds; 1084 sc->sc_freetds = std; 1085 } 1086 } 1087 std = sc->sc_freetds; 1088 sc->sc_freetds = std->link.std; 1089 memset(&std->td, 0, sizeof(uhci_td_t)); 1090 return std; 1091 } 1092 1093 void 1094 uhci_free_std(sc, std) 1095 uhci_softc_t *sc; 1096 uhci_soft_td_t *std; 1097 { 1098 #ifdef DIAGNOSTIC 1099 #define TD_IS_FREE 0x12345678 1100 if (LE(std->td.td_token) == TD_IS_FREE) { 1101 printf("uhci_free_std: freeing free TD %p\n", std); 1102 return; 1103 } 1104 std->td.td_token = LE(TD_IS_FREE); 1105 #endif 1106 std->link.std = sc->sc_freetds; 1107 sc->sc_freetds = std; 1108 } 1109 1110 uhci_soft_qh_t * 1111 uhci_alloc_sqh(sc) 1112 uhci_softc_t *sc; 1113 { 1114 uhci_soft_qh_t *sqh; 1115 usbd_status r; 1116 int i, offs; 1117 usb_dma_t dma; 1118 1119 if (!sc->sc_freeqhs) { 1120 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1121 r = usb_allocmem(sc->sc_dmatag, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1122 UHCI_QH_ALIGN, &dma); 1123 if (r != USBD_NORMAL_COMPLETION) 1124 return 0; 1125 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1126 offs = i * UHCI_SQH_SIZE; 1127 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1128 sqh->physaddr = DMAADDR(&dma) + offs; 1129 sqh->hlink = sc->sc_freeqhs; 1130 sc->sc_freeqhs = sqh; 1131 } 1132 } 1133 sqh = sc->sc_freeqhs; 1134 sc->sc_freeqhs = sqh->hlink; 1135 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1136 return (sqh); 1137 } 1138 1139 void 1140 uhci_free_sqh(sc, sqh) 1141 uhci_softc_t *sc; 1142 uhci_soft_qh_t *sqh; 1143 { 1144 sqh->hlink = sc->sc_freeqhs; 1145 sc->sc_freeqhs = sqh; 1146 } 1147 1148 #if 0 1149 /* 1150 * Enter a list of transfers onto a control queue. 1151 * Called at splusb() 1152 */ 1153 void 1154 uhci_enter_ctl_q(sc, sqh, ii) 1155 uhci_softc_t *sc; 1156 uhci_soft_qh_t *sqh; 1157 uhci_intr_info_t *ii; 1158 { 1159 DPRINTFN(5, ("uhci_enter_ctl_q: sqh=%p\n", sqh)); 1160 1161 } 1162 #endif 1163 1164 void 1165 uhci_free_std_chain(sc, std, stdend) 1166 uhci_softc_t *sc; 1167 uhci_soft_td_t *std; 1168 uhci_soft_td_t *stdend; 1169 { 1170 uhci_soft_td_t *p; 1171 1172 for (; std != stdend; std = p) { 1173 p = std->link.std; 1174 uhci_free_std(sc, std); 1175 } 1176 } 1177 1178 usbd_status 1179 uhci_alloc_std_chain(upipe, sc, len, rd, shortok, dma, sp, ep) 1180 struct uhci_pipe *upipe; 1181 uhci_softc_t *sc; 1182 int len, rd, shortok; 1183 usb_dma_t *dma; 1184 uhci_soft_td_t **sp, **ep; 1185 { 1186 uhci_soft_td_t *p, *lastp; 1187 uhci_physaddr_t lastlink; 1188 int i, ntd, l, tog, maxp; 1189 u_int32_t status; 1190 int addr = upipe->pipe.device->address; 1191 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1192 1193 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1194 "shortok=%d\n", addr, UE_GET_ADDR(endpt), len, 1195 upipe->pipe.device->lowspeed, shortok)); 1196 if (len == 0) { 1197 *sp = *ep = 0; 1198 DPRINTFN(-1,("uhci_alloc_std_chain: len=0\n")); 1199 return (USBD_NORMAL_COMPLETION); 1200 } 1201 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1202 if (maxp == 0) { 1203 printf("uhci_alloc_std_chain: maxp=0\n"); 1204 return (USBD_INVAL); 1205 } 1206 ntd = (len + maxp - 1) / maxp; 1207 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1208 tog = upipe->nexttoggle; 1209 if (ntd % 2 == 0) 1210 tog ^= 1; 1211 upipe->nexttoggle = tog ^ 1; 1212 lastp = 0; 1213 lastlink = UHCI_PTR_T; 1214 ntd--; 1215 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1216 if (upipe->pipe.device->lowspeed) 1217 status |= UHCI_TD_LS; 1218 if (shortok) 1219 status |= UHCI_TD_SPD; 1220 for (i = ntd; i >= 0; i--) { 1221 p = uhci_alloc_std(sc); 1222 if (!p) { 1223 uhci_free_std_chain(sc, lastp, 0); 1224 return (USBD_NOMEM); 1225 } 1226 p->link.std = lastp; 1227 p->td.td_link = LE(lastlink); 1228 lastp = p; 1229 lastlink = p->physaddr; 1230 p->td.td_status = LE(status); 1231 if (i == ntd) { 1232 /* last TD */ 1233 l = len % maxp; 1234 if (l == 0) l = maxp; 1235 *ep = p; 1236 } else 1237 l = maxp; 1238 p->td.td_token = 1239 LE(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1240 UHCI_TD_OUT(l, endpt, addr, tog)); 1241 p->td.td_buffer = LE(DMAADDR(dma) + i * maxp); 1242 tog ^= 1; 1243 } 1244 *sp = lastp; 1245 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1246 upipe->nexttoggle)); 1247 return (USBD_NORMAL_COMPLETION); 1248 } 1249 1250 void 1251 uhci_device_clear_toggle(pipe) 1252 usbd_pipe_handle pipe; 1253 { 1254 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1255 upipe->nexttoggle = 0; 1256 } 1257 1258 void 1259 uhci_noop(pipe) 1260 usbd_pipe_handle pipe; 1261 { 1262 } 1263 1264 usbd_status 1265 uhci_device_bulk_transfer(reqh) 1266 usbd_request_handle reqh; 1267 { 1268 int s; 1269 usbd_status r; 1270 1271 s = splusb(); 1272 r = usb_insert_transfer(reqh); 1273 splx(s); 1274 if (r != USBD_NORMAL_COMPLETION) 1275 return (r); 1276 else 1277 return (uhci_device_bulk_start(reqh)); 1278 } 1279 1280 usbd_status 1281 uhci_device_bulk_start(reqh) 1282 usbd_request_handle reqh; 1283 { 1284 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1285 usbd_device_handle dev = upipe->pipe.device; 1286 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1287 uhci_intr_info_t *ii = upipe->iinfo; 1288 uhci_soft_td_t *xfer, *xferend; 1289 uhci_soft_qh_t *sqh; 1290 usb_dma_t *dmap; 1291 usbd_status r; 1292 int len, isread, endpt; 1293 int s; 1294 1295 DPRINTFN(3, ("uhci_device_bulk_transfer: reqh=%p buf=%p len=%d " 1296 "flags=%d\n", 1297 reqh, reqh->buffer, reqh->length, reqh->flags)); 1298 1299 if (reqh->isreq) 1300 panic("uhci_device_bulk_transfer: a request\n"); 1301 1302 len = reqh->length; 1303 dmap = &upipe->u.bulk.datadma; 1304 endpt = reqh->pipe->endpoint->edesc->bEndpointAddress; 1305 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1306 sqh = upipe->u.bulk.sqh; 1307 1308 upipe->u.bulk.isread = isread; 1309 upipe->u.bulk.length = len; 1310 1311 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1312 if (r != USBD_NORMAL_COMPLETION) 1313 goto ret1; 1314 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1315 reqh->flags & USBD_SHORT_XFER_OK, 1316 dmap, &xfer, &xferend); 1317 if (r != USBD_NORMAL_COMPLETION) 1318 goto ret2; 1319 xferend->td.td_status |= LE(UHCI_TD_IOC); 1320 1321 if (!isread && len != 0) 1322 memcpy(KERNADDR(dmap), reqh->buffer, len); 1323 1324 #ifdef USB_DEBUG 1325 if (uhcidebug > 8) { 1326 printf("uhci_device_bulk_transfer: xfer(1)\n"); 1327 uhci_dump_tds(xfer); 1328 } 1329 #endif 1330 1331 /* Set up interrupt info. */ 1332 ii->reqh = reqh; 1333 ii->stdstart = xfer; 1334 ii->stdend = xferend; 1335 #ifdef DIAGNOSTIC 1336 ii->isdone = 0; 1337 #endif 1338 1339 sqh->elink = xfer; 1340 sqh->qh.qh_elink = LE(xfer->physaddr); 1341 sqh->intr_info = ii; 1342 1343 s = splusb(); 1344 uhci_add_bulk(sc, sqh); 1345 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1346 1347 if (reqh->timeout && !sc->sc_bus.use_polling) { 1348 usb_timeout(uhci_timeout, ii, 1349 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1350 } 1351 splx(s); 1352 1353 #ifdef USB_DEBUG 1354 if (uhcidebug > 10) { 1355 printf("uhci_device_bulk_transfer: xfer(2)\n"); 1356 uhci_dump_tds(xfer); 1357 } 1358 #endif 1359 1360 if (sc->sc_bus.use_polling) 1361 uhci_waitintr(sc, reqh); 1362 1363 return (USBD_IN_PROGRESS); 1364 1365 ret2: 1366 if (len != 0) 1367 usb_freemem(sc->sc_dmatag, dmap); 1368 ret1: 1369 return (r); 1370 } 1371 1372 /* Abort a device bulk request. */ 1373 void 1374 uhci_device_bulk_abort(reqh) 1375 usbd_request_handle reqh; 1376 { 1377 DPRINTF(("uhci_device_bulk_abort:\n")); 1378 uhci_abort_req(reqh, USBD_CANCELLED); 1379 } 1380 1381 void 1382 uhci_abort_req(reqh, status) 1383 usbd_request_handle reqh; 1384 usbd_status status; 1385 { 1386 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1387 uhci_intr_info_t *ii = upipe->iinfo; 1388 uhci_soft_td_t *std; 1389 1390 /* Make interrupt routine ignore it, */ 1391 reqh->status = status; 1392 1393 /* don't timeout, */ 1394 usb_untimeout(uhci_timeout, ii, ii->timeout_handle); 1395 1396 /* make hardware ignore it, */ 1397 for (std = ii->stdstart; std != 0; std = std->link.std) 1398 std->td.td_status &= LE(~UHCI_TD_ACTIVE); 1399 1400 reqh->hcpriv = ii; 1401 1402 /* make sure hardware has completed, */ 1403 if (curproc) { 1404 usb_delay_ms(reqh->pipe->device->bus, 1); 1405 /* and call final part of interrupt handler. */ 1406 uhci_abort_req_end(reqh); 1407 } else { 1408 /* We have no process context, so we can't use tsleep(). */ 1409 timeout(uhci_abort_req_end, reqh, hz / USB_FRAMES_PER_SECOND); 1410 } 1411 } 1412 1413 void 1414 uhci_abort_req_end(v) 1415 void *v; 1416 { 1417 usbd_request_handle reqh = v; 1418 int s; 1419 1420 s = splusb(); 1421 usb_transfer_complete(reqh); 1422 splx(s); 1423 } 1424 1425 /* Close a device bulk pipe. */ 1426 void 1427 uhci_device_bulk_close(pipe) 1428 usbd_pipe_handle pipe; 1429 { 1430 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1431 usbd_device_handle dev = upipe->pipe.device; 1432 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1433 1434 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1435 uhci_free_intr_info(upipe->iinfo); 1436 /* XXX free other resources */ 1437 } 1438 1439 usbd_status 1440 uhci_device_ctrl_transfer(reqh) 1441 usbd_request_handle reqh; 1442 { 1443 int s; 1444 usbd_status r; 1445 1446 s = splusb(); 1447 r = usb_insert_transfer(reqh); 1448 splx(s); 1449 if (r != USBD_NORMAL_COMPLETION) 1450 return (r); 1451 else 1452 return (uhci_device_ctrl_start(reqh)); 1453 } 1454 1455 usbd_status 1456 uhci_device_ctrl_start(reqh) 1457 usbd_request_handle reqh; 1458 { 1459 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 1460 usbd_status r; 1461 1462 if (!reqh->isreq) 1463 panic("uhci_device_ctrl_transfer: not a request\n"); 1464 1465 r = uhci_device_request(reqh); 1466 if (r != USBD_NORMAL_COMPLETION) 1467 return (r); 1468 1469 if (sc->sc_bus.use_polling) 1470 uhci_waitintr(sc, reqh); 1471 return (USBD_IN_PROGRESS); 1472 } 1473 1474 usbd_status 1475 uhci_device_intr_transfer(reqh) 1476 usbd_request_handle reqh; 1477 { 1478 int s; 1479 usbd_status r; 1480 1481 s = splusb(); 1482 r = usb_insert_transfer(reqh); 1483 splx(s); 1484 if (r != USBD_NORMAL_COMPLETION) 1485 return (r); 1486 else 1487 return (uhci_device_intr_start(reqh)); 1488 } 1489 1490 usbd_status 1491 uhci_device_intr_start(reqh) 1492 usbd_request_handle reqh; 1493 { 1494 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1495 usbd_device_handle dev = upipe->pipe.device; 1496 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1497 uhci_intr_info_t *ii = upipe->iinfo; 1498 uhci_soft_td_t *xfer, *xferend; 1499 uhci_soft_qh_t *sqh; 1500 usb_dma_t *dmap; 1501 usbd_status r; 1502 int len, i; 1503 int s; 1504 1505 DPRINTFN(3, ("uhci_device_intr_transfer: reqh=%p buf=%p len=%d " 1506 "flags=%d\n", 1507 reqh, reqh->buffer, reqh->length, reqh->flags)); 1508 1509 if (reqh->isreq) 1510 panic("uhci_device_intr_transfer: a request\n"); 1511 1512 len = reqh->length; 1513 dmap = &upipe->u.intr.datadma; 1514 if (len == 0) 1515 return (USBD_INVAL); /* XXX should it be? */ 1516 1517 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1518 if (r != USBD_NORMAL_COMPLETION) 1519 goto ret1; 1520 r = uhci_alloc_std_chain(upipe, sc, len, 1, 1521 reqh->flags & USBD_SHORT_XFER_OK, 1522 dmap, &xfer, &xferend); 1523 if (r != USBD_NORMAL_COMPLETION) 1524 goto ret2; 1525 xferend->td.td_status |= LE(UHCI_TD_IOC); 1526 1527 #ifdef USB_DEBUG 1528 if (uhcidebug > 10) { 1529 printf("uhci_device_intr_transfer: xfer(1)\n"); 1530 uhci_dump_tds(xfer); 1531 uhci_dump_qh(upipe->u.intr.qhs[0]); 1532 } 1533 #endif 1534 1535 s = splusb(); 1536 /* Set up interrupt info. */ 1537 ii->reqh = reqh; 1538 ii->stdstart = xfer; 1539 ii->stdend = xferend; 1540 #ifdef DIAGNOSTIC 1541 ii->isdone = 0; 1542 #endif 1543 1544 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1545 upipe->u.intr.qhs[0])); 1546 for (i = 0; i < upipe->u.intr.npoll; i++) { 1547 sqh = upipe->u.intr.qhs[i]; 1548 sqh->elink = xfer; 1549 sqh->qh.qh_elink = LE(xfer->physaddr); 1550 } 1551 splx(s); 1552 1553 #ifdef USB_DEBUG 1554 if (uhcidebug > 10) { 1555 printf("uhci_device_intr_transfer: xfer(2)\n"); 1556 uhci_dump_tds(xfer); 1557 uhci_dump_qh(upipe->u.intr.qhs[0]); 1558 } 1559 #endif 1560 1561 return (USBD_IN_PROGRESS); 1562 1563 ret2: 1564 if (len != 0) 1565 usb_freemem(sc->sc_dmatag, dmap); 1566 ret1: 1567 return (r); 1568 } 1569 1570 /* Abort a device control request. */ 1571 void 1572 uhci_device_ctrl_abort(reqh) 1573 usbd_request_handle reqh; 1574 { 1575 DPRINTF(("uhci_device_ctrl_abort:\n")); 1576 uhci_abort_req(reqh, USBD_CANCELLED); 1577 } 1578 1579 /* Close a device control pipe. */ 1580 void 1581 uhci_device_ctrl_close(pipe) 1582 usbd_pipe_handle pipe; 1583 { 1584 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1585 1586 uhci_free_intr_info(upipe->iinfo); 1587 /* XXX free other resources */ 1588 } 1589 1590 /* Abort a device interrupt request. */ 1591 void 1592 uhci_device_intr_abort(reqh) 1593 usbd_request_handle reqh; 1594 { 1595 DPRINTFN(1,("uhci_device_intr_abort: reqh=%p\n", reqh)); 1596 if (reqh->pipe->intrreqh == reqh) { 1597 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1598 reqh->pipe->intrreqh = 0; 1599 } 1600 uhci_abort_req(reqh, USBD_CANCELLED); 1601 } 1602 1603 /* Close a device interrupt pipe. */ 1604 void 1605 uhci_device_intr_close(pipe) 1606 usbd_pipe_handle pipe; 1607 { 1608 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1609 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1610 int i, s, npoll; 1611 1612 upipe->iinfo->stdstart = 0; /* inactive */ 1613 1614 /* Unlink descriptors from controller data structures. */ 1615 npoll = upipe->u.intr.npoll; 1616 uhci_lock_frames(sc); 1617 for (i = 0; i < npoll; i++) 1618 uhci_remove_intr(sc, upipe->u.intr.qhs[i]->pos, 1619 upipe->u.intr.qhs[i]); 1620 uhci_unlock_frames(sc); 1621 1622 /* 1623 * We now have to wait for any activity on the physical 1624 * descriptors to stop. 1625 */ 1626 usb_delay_ms(&sc->sc_bus, 2); 1627 1628 for(i = 0; i < npoll; i++) 1629 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1630 free(upipe->u.intr.qhs, M_USBHC); 1631 1632 s = splusb(); 1633 LIST_REMOVE(upipe->iinfo, list); /* remove from active list */ 1634 splx(s); 1635 uhci_free_intr_info(upipe->iinfo); 1636 1637 /* XXX free other resources */ 1638 } 1639 1640 usbd_status 1641 uhci_device_request(reqh) 1642 usbd_request_handle reqh; 1643 { 1644 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1645 usb_device_request_t *req = &reqh->request; 1646 usbd_device_handle dev = upipe->pipe.device; 1647 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1648 int addr = dev->address; 1649 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1650 uhci_intr_info_t *ii = upipe->iinfo; 1651 uhci_soft_td_t *setup, *xfer, *stat, *next, *xferend; 1652 uhci_soft_qh_t *sqh; 1653 usb_dma_t *dmap; 1654 int len; 1655 u_int32_t ls; 1656 usbd_status r; 1657 int isread; 1658 int s; 1659 1660 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1661 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1662 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1663 UGETW(req->wIndex), UGETW(req->wLength), 1664 addr, endpt)); 1665 1666 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1667 isread = req->bmRequestType & UT_READ; 1668 len = UGETW(req->wLength); 1669 1670 setup = upipe->u.ctl.setup; 1671 stat = upipe->u.ctl.stat; 1672 sqh = upipe->u.ctl.sqh; 1673 dmap = &upipe->u.ctl.datadma; 1674 1675 /* Set up data transaction */ 1676 if (len != 0) { 1677 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1678 if (r != USBD_NORMAL_COMPLETION) 1679 goto ret1; 1680 upipe->nexttoggle = 1; 1681 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1682 reqh->flags & USBD_SHORT_XFER_OK, 1683 dmap, &xfer, &xferend); 1684 if (r != USBD_NORMAL_COMPLETION) 1685 goto ret2; 1686 next = xfer; 1687 xferend->link.std = stat; 1688 xferend->td.td_link = LE(stat->physaddr); 1689 } else { 1690 next = stat; 1691 } 1692 upipe->u.ctl.length = len; 1693 1694 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 1695 if (!isread && len != 0) 1696 memcpy(KERNADDR(dmap), reqh->buffer, len); 1697 1698 setup->link.std = next; 1699 setup->td.td_link = LE(next->physaddr); 1700 setup->td.td_status = LE(UHCI_TD_SET_ERRCNT(3) | ls | UHCI_TD_ACTIVE); 1701 setup->td.td_token = LE(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 1702 setup->td.td_buffer = LE(DMAADDR(&upipe->u.ctl.reqdma)); 1703 1704 stat->link.std = 0; 1705 stat->td.td_link = LE(UHCI_PTR_T); 1706 stat->td.td_status = LE(UHCI_TD_SET_ERRCNT(3) | ls | 1707 UHCI_TD_ACTIVE | UHCI_TD_IOC); 1708 stat->td.td_token = 1709 LE(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 1710 UHCI_TD_IN (0, endpt, addr, 1)); 1711 stat->td.td_buffer = LE(0); 1712 1713 #ifdef USB_DEBUG 1714 if (uhcidebug > 20) { 1715 printf("uhci_device_request: before transfer\n"); 1716 uhci_dump_tds(setup); 1717 } 1718 #endif 1719 1720 /* Set up interrupt info. */ 1721 ii->reqh = reqh; 1722 ii->stdstart = setup; 1723 ii->stdend = stat; 1724 #ifdef DIAGNOSTIC 1725 ii->isdone = 0; 1726 #endif 1727 1728 sqh->elink = setup; 1729 sqh->qh.qh_elink = LE(setup->physaddr); 1730 sqh->intr_info = ii; 1731 1732 s = splusb(); 1733 uhci_add_ctrl(sc, sqh); 1734 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1735 #ifdef USB_DEBUG 1736 if (uhcidebug > 12) { 1737 uhci_soft_td_t *std; 1738 uhci_soft_qh_t *xqh; 1739 uhci_soft_qh_t *sxqh; 1740 int maxqh = 0; 1741 uhci_physaddr_t link; 1742 printf("uhci_enter_ctl_q: follow from [0]\n"); 1743 for (std = sc->sc_vframes[0].htd, link = 0; 1744 (link & UHCI_PTR_Q) == 0; 1745 std = std->link.std) { 1746 link = LE(std->td.td_link); 1747 uhci_dump_td(std); 1748 } 1749 for (sxqh = xqh = (uhci_soft_qh_t *)std; 1750 xqh; 1751 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 1752 xqh->hlink==xqh ? NULL : xqh->hlink)) { 1753 uhci_dump_qh(xqh); 1754 uhci_dump_qh(sxqh); 1755 } 1756 printf("Enqueued QH:\n"); 1757 uhci_dump_qh(sqh); 1758 uhci_dump_tds(sqh->elink); 1759 } 1760 #endif 1761 if (reqh->timeout && !sc->sc_bus.use_polling) { 1762 usb_timeout(uhci_timeout, ii, 1763 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1764 } 1765 splx(s); 1766 1767 return (USBD_NORMAL_COMPLETION); 1768 1769 ret2: 1770 if (len != 0) 1771 usb_freemem(sc->sc_dmatag, dmap); 1772 ret1: 1773 return (r); 1774 } 1775 1776 usbd_status 1777 uhci_device_isoc_transfer(reqh) 1778 usbd_request_handle reqh; 1779 { 1780 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1781 #ifdef USB_DEBUG 1782 usbd_device_handle dev = upipe->pipe.device; 1783 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1784 #endif 1785 1786 DPRINTFN(1,("uhci_device_isoc_transfer: sc=%p\n", sc)); 1787 if (upipe->u.iso.bufsize == 0) 1788 return (USBD_INVAL); 1789 1790 /* XXX copy data */ 1791 return (USBD_XXX); 1792 } 1793 1794 usbd_status 1795 uhci_device_isoc_start(reqh) 1796 usbd_request_handle reqh; 1797 { 1798 return (USBD_XXX); 1799 } 1800 1801 void 1802 uhci_device_isoc_abort(reqh) 1803 usbd_request_handle reqh; 1804 { 1805 /* XXX Can't abort this. */ 1806 } 1807 1808 void 1809 uhci_device_isoc_close(pipe) 1810 usbd_pipe_handle pipe; 1811 { 1812 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1813 usbd_device_handle dev = upipe->pipe.device; 1814 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1815 struct iso *iso; 1816 int i; 1817 1818 /* 1819 * Make sure all TDs are marked as inactive. 1820 * Wait for completion. 1821 * Unschedule. 1822 * Deallocate. 1823 */ 1824 iso = &upipe->u.iso; 1825 1826 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 1827 iso->stds[i]->td.td_status &= LE(~UHCI_TD_ACTIVE); 1828 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 1829 1830 uhci_lock_frames(sc); 1831 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1832 uhci_soft_td_t *std, *vstd; 1833 1834 std = iso->stds[i]; 1835 for (vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1836 vstd && vstd->link.std != std; 1837 vstd = vstd->link.std) 1838 ; 1839 if (!vstd) { 1840 /*panic*/ 1841 printf("uhci_device_isoc_close: %p not found\n", std); 1842 uhci_unlock_frames(sc); 1843 return; 1844 } 1845 vstd->link = std->link; 1846 vstd->td.td_link = std->td.td_link; 1847 uhci_free_std(sc, std); 1848 } 1849 uhci_unlock_frames(sc); 1850 1851 for (i = 0; i < iso->nbuf; i++) 1852 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1853 free(iso->stds, M_USBHC); 1854 free(iso->bufs, M_USBHC); 1855 1856 /* XXX what else? */ 1857 } 1858 1859 usbd_status 1860 uhci_device_isoc_setbuf(pipe, bufsize, nbuf) 1861 usbd_pipe_handle pipe; 1862 u_int bufsize; 1863 u_int nbuf; 1864 { 1865 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1866 usbd_device_handle dev = upipe->pipe.device; 1867 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1868 int addr = upipe->pipe.device->address; 1869 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1870 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 1871 struct iso *iso; 1872 int i; 1873 usbd_status r; 1874 1875 /* 1876 * For simplicity the number of buffers must fit nicely in the frame 1877 * list. 1878 */ 1879 if (UHCI_VFRAMELIST_COUNT % nbuf != 0) 1880 return (USBD_INVAL); 1881 1882 iso = &upipe->u.iso; 1883 iso->bufsize = bufsize; 1884 iso->nbuf = nbuf; 1885 1886 /* Allocate memory for buffers. */ 1887 iso->bufs = malloc(nbuf * sizeof(usb_dma_t), M_USBHC, M_WAITOK); 1888 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 1889 M_USBHC, M_WAITOK); 1890 1891 for (i = 0; i < nbuf; i++) { 1892 r = usb_allocmem(sc->sc_dmatag, bufsize, 0, &iso->bufs[i]); 1893 if (r != USBD_NORMAL_COMPLETION) { 1894 nbuf = i; 1895 goto bad1; 1896 } 1897 } 1898 1899 /* Allocate the TDs. */ 1900 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1901 iso->stds[i] = uhci_alloc_std(sc); 1902 if (iso->stds[i] == 0) 1903 goto bad2; 1904 } 1905 1906 /* XXX check schedule */ 1907 1908 /* XXX interrupts */ 1909 1910 /* Insert TDs into schedule, all marked inactive. */ 1911 uhci_lock_frames(sc); 1912 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1913 uhci_soft_td_t *std, *vstd; 1914 1915 std = iso->stds[i]; 1916 std->td.td_status = LE(UHCI_TD_IOS); /* iso, inactive */ 1917 std->td.td_token = 1918 LE(rd ? UHCI_TD_IN (0, endpt, addr, 0) : 1919 UHCI_TD_OUT(0, endpt, addr, 0)); 1920 std->td.td_buffer = LE(DMAADDR(&iso->bufs[i % nbuf])); 1921 1922 vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1923 std->link = vstd->link; 1924 std->td.td_link = vstd->td.td_link; 1925 vstd->link.std = std; 1926 vstd->td.td_link = LE(std->physaddr); 1927 } 1928 uhci_unlock_frames(sc); 1929 1930 return (USBD_NORMAL_COMPLETION); 1931 1932 bad2: 1933 while (--i >= 0) 1934 uhci_free_std(sc, iso->stds[i]); 1935 bad1: 1936 for (i = 0; i < nbuf; i++) 1937 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1938 free(iso->stds, M_USBHC); 1939 free(iso->bufs, M_USBHC); 1940 return (USBD_NOMEM); 1941 } 1942 1943 void 1944 uhci_device_isoc_done(reqh) 1945 usbd_request_handle reqh; 1946 { 1947 /*uhci_intr_info_t *ii = v;*/ 1948 } 1949 1950 void 1951 uhci_device_intr_done(reqh) 1952 usbd_request_handle reqh; 1953 { 1954 uhci_intr_info_t *ii = reqh->hcpriv; 1955 uhci_softc_t *sc = ii->sc; 1956 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1957 usb_dma_t *dma; 1958 uhci_soft_qh_t *sqh; 1959 int i, npoll; 1960 1961 DPRINTFN(5, ("uhci_intr_done: length=%d\n", reqh->actlen)); 1962 1963 dma = &upipe->u.intr.datadma; 1964 memcpy(reqh->buffer, KERNADDR(dma), reqh->actlen); 1965 npoll = upipe->u.intr.npoll; 1966 for(i = 0; i < npoll; i++) { 1967 sqh = upipe->u.intr.qhs[i]; 1968 sqh->elink = 0; 1969 sqh->qh.qh_elink = LE(UHCI_PTR_T); 1970 } 1971 uhci_free_std_chain(sc, ii->stdstart, 0); 1972 1973 /* XXX Wasteful. */ 1974 if (reqh->pipe->repeat) { 1975 uhci_soft_td_t *xfer, *xferend; 1976 1977 /* This alloc cannot fail since we freed the chain above. */ 1978 uhci_alloc_std_chain(upipe, sc, reqh->length, 1, 1979 reqh->flags & USBD_SHORT_XFER_OK, 1980 dma, &xfer, &xferend); 1981 xferend->td.td_status |= LE(UHCI_TD_IOC); 1982 1983 #ifdef USB_DEBUG 1984 if (uhcidebug > 10) { 1985 printf("uhci_device_intr_done: xfer(1)\n"); 1986 uhci_dump_tds(xfer); 1987 uhci_dump_qh(upipe->u.intr.qhs[0]); 1988 } 1989 #endif 1990 1991 ii->stdstart = xfer; 1992 ii->stdend = xferend; 1993 #ifdef DIAGNOSTIC 1994 ii->isdone = 0; 1995 #endif 1996 for (i = 0; i < npoll; i++) { 1997 sqh = upipe->u.intr.qhs[i]; 1998 sqh->elink = xfer; 1999 sqh->qh.qh_elink = LE(xfer->physaddr); 2000 } 2001 } else { 2002 usb_freemem(sc->sc_dmatag, dma); 2003 ii->stdstart = 0; /* mark as inactive */ 2004 } 2005 } 2006 2007 /* Deallocate request data structures */ 2008 void 2009 uhci_device_ctrl_done(reqh) 2010 usbd_request_handle reqh; 2011 { 2012 uhci_intr_info_t *ii = reqh->hcpriv; 2013 uhci_softc_t *sc = ii->sc; 2014 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 2015 u_int len = upipe->u.ctl.length; 2016 usb_dma_t *dma; 2017 2018 #ifdef DIAGNOSTIC 2019 if (!reqh->isreq) 2020 panic("uhci_ctrl_done: not a request\n"); 2021 #endif 2022 2023 LIST_REMOVE(ii, list); /* remove from active list */ 2024 2025 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2026 2027 if (len != 0) { 2028 dma = &upipe->u.ctl.datadma; 2029 if (reqh->request.bmRequestType & UT_READ) 2030 memcpy(reqh->buffer, KERNADDR(dma), len); 2031 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2032 usb_freemem(sc->sc_dmatag, dma); 2033 } 2034 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", reqh->actlen)); 2035 } 2036 2037 /* Deallocate request data structures */ 2038 void 2039 uhci_device_bulk_done(reqh) 2040 usbd_request_handle reqh; 2041 { 2042 uhci_intr_info_t *ii = reqh->hcpriv; 2043 uhci_softc_t *sc = ii->sc; 2044 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 2045 u_int datalen = upipe->u.bulk.length; 2046 usb_dma_t *dma; 2047 2048 LIST_REMOVE(ii, list); /* remove from active list */ 2049 2050 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2051 2052 /* copy the data from dma memory to userland storage */ 2053 dma = &upipe->u.bulk.datadma; 2054 if (upipe->u.bulk.isread) 2055 memcpy(reqh->buffer, KERNADDR(dma), datalen); 2056 uhci_free_std_chain(sc, ii->stdstart, 0); 2057 usb_freemem(sc->sc_dmatag, dma); 2058 2059 DPRINTFN(4, ("uhci_bulk_done: length=%d\n", reqh->actlen)); 2060 } 2061 2062 /* Add interrupt QH, called with vflock. */ 2063 void 2064 uhci_add_intr(sc, n, sqh) 2065 uhci_softc_t *sc; 2066 int n; 2067 uhci_soft_qh_t *sqh; 2068 { 2069 struct uhci_vframe *vf = &sc->sc_vframes[n]; 2070 uhci_soft_qh_t *eqh; 2071 2072 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", n, sqh)); 2073 eqh = vf->eqh; 2074 sqh->hlink = eqh->hlink; 2075 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2076 eqh->hlink = sqh; 2077 eqh->qh.qh_hlink = LE(sqh->physaddr | UHCI_PTR_Q); 2078 vf->eqh = sqh; 2079 vf->bandwidth++; 2080 } 2081 2082 /* Remove interrupt QH, called with vflock. */ 2083 void 2084 uhci_remove_intr(sc, n, sqh) 2085 uhci_softc_t *sc; 2086 int n; 2087 uhci_soft_qh_t *sqh; 2088 { 2089 struct uhci_vframe *vf = &sc->sc_vframes[n]; 2090 uhci_soft_qh_t *pqh; 2091 2092 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", n, sqh)); 2093 2094 for (pqh = vf->hqh; pqh->hlink != sqh; pqh = pqh->hlink) 2095 #if defined(DIAGNOSTIC) || defined(USB_DEBUG) 2096 if (LE(pqh->qh.qh_hlink) & UHCI_PTR_T) { 2097 printf("uhci_remove_intr: QH not found\n"); 2098 return; 2099 } 2100 #else 2101 ; 2102 #endif 2103 pqh->hlink = sqh->hlink; 2104 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2105 if (vf->eqh == sqh) 2106 vf->eqh = pqh; 2107 vf->bandwidth--; 2108 } 2109 2110 usbd_status 2111 uhci_device_setintr(sc, upipe, ival) 2112 uhci_softc_t *sc; 2113 struct uhci_pipe *upipe; 2114 int ival; 2115 { 2116 uhci_soft_qh_t *sqh; 2117 int i, npoll, s; 2118 u_int bestbw, bw, bestoffs, offs; 2119 2120 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2121 if (ival == 0) { 2122 printf("uhci_setintr: 0 interval\n"); 2123 return (USBD_INVAL); 2124 } 2125 2126 if (ival > UHCI_VFRAMELIST_COUNT) 2127 ival = UHCI_VFRAMELIST_COUNT; 2128 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2129 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2130 2131 upipe->u.intr.npoll = npoll; 2132 upipe->u.intr.qhs = 2133 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2134 2135 /* 2136 * Figure out which offset in the schedule that has most 2137 * bandwidth left over. 2138 */ 2139 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2140 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2141 for (bw = i = 0; i < npoll; i++) 2142 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2143 if (bw < bestbw) { 2144 bestbw = bw; 2145 bestoffs = offs; 2146 } 2147 } 2148 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2149 2150 upipe->iinfo->stdstart = 0; 2151 for(i = 0; i < npoll; i++) { 2152 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2153 sqh->elink = 0; 2154 sqh->qh.qh_elink = LE(UHCI_PTR_T); 2155 sqh->pos = MOD(i * ival + bestoffs); 2156 sqh->intr_info = upipe->iinfo; 2157 } 2158 #undef MOD 2159 2160 s = splusb(); 2161 LIST_INSERT_HEAD(&sc->sc_intrhead, upipe->iinfo, list); 2162 splx(s); 2163 2164 uhci_lock_frames(sc); 2165 /* Enter QHs into the controller data structures. */ 2166 for(i = 0; i < npoll; i++) 2167 uhci_add_intr(sc, upipe->u.intr.qhs[i]->pos, 2168 upipe->u.intr.qhs[i]); 2169 uhci_unlock_frames(sc); 2170 2171 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2172 return (USBD_NORMAL_COMPLETION); 2173 } 2174 2175 /* Open a new pipe. */ 2176 usbd_status 2177 uhci_open(pipe) 2178 usbd_pipe_handle pipe; 2179 { 2180 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2181 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2182 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2183 usbd_status r; 2184 2185 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2186 pipe, pipe->device->address, 2187 ed->bEndpointAddress, sc->sc_addr)); 2188 if (pipe->device->address == sc->sc_addr) { 2189 switch (ed->bEndpointAddress) { 2190 case USB_CONTROL_ENDPOINT: 2191 pipe->methods = &uhci_root_ctrl_methods; 2192 break; 2193 case UE_DIR_IN | UHCI_INTR_ENDPT: 2194 pipe->methods = &uhci_root_intr_methods; 2195 break; 2196 default: 2197 return (USBD_INVAL); 2198 } 2199 } else { 2200 upipe->iinfo = uhci_alloc_intr_info(sc); 2201 if (upipe->iinfo == 0) 2202 return (USBD_NOMEM); 2203 switch (ed->bmAttributes & UE_XFERTYPE) { 2204 case UE_CONTROL: 2205 pipe->methods = &uhci_device_ctrl_methods; 2206 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2207 if (upipe->u.ctl.sqh == 0) 2208 goto bad; 2209 upipe->u.ctl.setup = uhci_alloc_std(sc); 2210 if (upipe->u.ctl.setup == 0) { 2211 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2212 goto bad; 2213 } 2214 upipe->u.ctl.stat = uhci_alloc_std(sc); 2215 if (upipe->u.ctl.stat == 0) { 2216 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2217 uhci_free_std(sc, upipe->u.ctl.setup); 2218 goto bad; 2219 } 2220 r = usb_allocmem(sc->sc_dmatag, 2221 sizeof(usb_device_request_t), 2222 0, &upipe->u.ctl.reqdma); 2223 if (r != USBD_NORMAL_COMPLETION) { 2224 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2225 uhci_free_std(sc, upipe->u.ctl.setup); 2226 uhci_free_std(sc, upipe->u.ctl.stat); 2227 goto bad; 2228 } 2229 break; 2230 case UE_INTERRUPT: 2231 pipe->methods = &uhci_device_intr_methods; 2232 return (uhci_device_setintr(sc, upipe, ed->bInterval)); 2233 case UE_ISOCHRONOUS: 2234 pipe->methods = &uhci_device_isoc_methods; 2235 upipe->u.iso.nbuf = 0; 2236 return (USBD_NORMAL_COMPLETION); 2237 case UE_BULK: 2238 pipe->methods = &uhci_device_bulk_methods; 2239 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2240 if (upipe->u.bulk.sqh == 0) 2241 goto bad; 2242 break; 2243 } 2244 } 2245 return (USBD_NORMAL_COMPLETION); 2246 2247 bad: 2248 uhci_free_intr_info(upipe->iinfo); 2249 return (USBD_NOMEM); 2250 } 2251 2252 /* 2253 * Data structures and routines to emulate the root hub. 2254 */ 2255 usb_device_descriptor_t uhci_devd = { 2256 USB_DEVICE_DESCRIPTOR_SIZE, 2257 UDESC_DEVICE, /* type */ 2258 {0x00, 0x01}, /* USB version */ 2259 UCLASS_HUB, /* class */ 2260 USUBCLASS_HUB, /* subclass */ 2261 0, /* protocol */ 2262 64, /* max packet */ 2263 {0},{0},{0x00,0x01}, /* device id */ 2264 1,2,0, /* string indicies */ 2265 1 /* # of configurations */ 2266 }; 2267 2268 usb_config_descriptor_t uhci_confd = { 2269 USB_CONFIG_DESCRIPTOR_SIZE, 2270 UDESC_CONFIG, 2271 {USB_CONFIG_DESCRIPTOR_SIZE + 2272 USB_INTERFACE_DESCRIPTOR_SIZE + 2273 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2274 1, 2275 1, 2276 0, 2277 UC_SELF_POWERED, 2278 0 /* max power */ 2279 }; 2280 2281 usb_interface_descriptor_t uhci_ifcd = { 2282 USB_INTERFACE_DESCRIPTOR_SIZE, 2283 UDESC_INTERFACE, 2284 0, 2285 0, 2286 1, 2287 UCLASS_HUB, 2288 USUBCLASS_HUB, 2289 0, 2290 0 2291 }; 2292 2293 usb_endpoint_descriptor_t uhci_endpd = { 2294 USB_ENDPOINT_DESCRIPTOR_SIZE, 2295 UDESC_ENDPOINT, 2296 UE_DIR_IN | UHCI_INTR_ENDPT, 2297 UE_INTERRUPT, 2298 {8}, 2299 255 2300 }; 2301 2302 usb_hub_descriptor_t uhci_hubd_piix = { 2303 USB_HUB_DESCRIPTOR_SIZE, 2304 UDESC_HUB, 2305 2, 2306 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2307 50, /* power on to power good */ 2308 0, 2309 { 0x00 }, /* both ports are removable */ 2310 }; 2311 2312 int 2313 uhci_str(p, l, s) 2314 usb_string_descriptor_t *p; 2315 int l; 2316 char *s; 2317 { 2318 int i; 2319 2320 if (l == 0) 2321 return (0); 2322 p->bLength = 2 * strlen(s) + 2; 2323 if (l == 1) 2324 return (1); 2325 p->bDescriptorType = UDESC_STRING; 2326 l -= 2; 2327 for (i = 0; s[i] && l > 1; i++, l -= 2) 2328 USETW2(p->bString[i], 0, s[i]); 2329 return (2*i+2); 2330 } 2331 2332 /* 2333 * Simulate a hardware hub by handling all the necessary requests. 2334 */ 2335 usbd_status 2336 uhci_root_ctrl_transfer(reqh) 2337 usbd_request_handle reqh; 2338 { 2339 int s; 2340 usbd_status r; 2341 2342 s = splusb(); 2343 r = usb_insert_transfer(reqh); 2344 splx(s); 2345 if (r != USBD_NORMAL_COMPLETION) 2346 return (r); 2347 else 2348 return (uhci_root_ctrl_start(reqh)); 2349 } 2350 2351 usbd_status 2352 uhci_root_ctrl_start(reqh) 2353 usbd_request_handle reqh; 2354 { 2355 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 2356 usb_device_request_t *req; 2357 void *buf; 2358 int port, x; 2359 int len, value, index, status, change, l, totlen = 0; 2360 usb_port_status_t ps; 2361 usbd_status r; 2362 2363 if (!reqh->isreq) 2364 panic("uhci_root_ctrl_transfer: not a request\n"); 2365 req = &reqh->request; 2366 buf = reqh->buffer; 2367 2368 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2369 req->bmRequestType, req->bRequest)); 2370 2371 len = UGETW(req->wLength); 2372 value = UGETW(req->wValue); 2373 index = UGETW(req->wIndex); 2374 #define C(x,y) ((x) | ((y) << 8)) 2375 switch(C(req->bRequest, req->bmRequestType)) { 2376 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2377 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2378 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2379 /* 2380 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2381 * for the integrated root hub. 2382 */ 2383 break; 2384 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2385 if (len > 0) { 2386 *(u_int8_t *)buf = sc->sc_conf; 2387 totlen = 1; 2388 } 2389 break; 2390 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2391 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2392 switch(value >> 8) { 2393 case UDESC_DEVICE: 2394 if ((value & 0xff) != 0) { 2395 r = USBD_IOERROR; 2396 goto ret; 2397 } 2398 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2399 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2400 memcpy(buf, &uhci_devd, l); 2401 break; 2402 case UDESC_CONFIG: 2403 if ((value & 0xff) != 0) { 2404 r = USBD_IOERROR; 2405 goto ret; 2406 } 2407 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2408 memcpy(buf, &uhci_confd, l); 2409 buf = (char *)buf + l; 2410 len -= l; 2411 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2412 totlen += l; 2413 memcpy(buf, &uhci_ifcd, l); 2414 buf = (char *)buf + l; 2415 len -= l; 2416 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2417 totlen += l; 2418 memcpy(buf, &uhci_endpd, l); 2419 break; 2420 case UDESC_STRING: 2421 if (len == 0) 2422 break; 2423 *(u_int8_t *)buf = 0; 2424 totlen = 1; 2425 switch (value & 0xff) { 2426 case 1: /* Vendor */ 2427 totlen = uhci_str(buf, len, sc->sc_vendor); 2428 break; 2429 case 2: /* Product */ 2430 totlen = uhci_str(buf, len, "UHCI root hub"); 2431 break; 2432 } 2433 break; 2434 default: 2435 r = USBD_IOERROR; 2436 goto ret; 2437 } 2438 break; 2439 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2440 if (len > 0) { 2441 *(u_int8_t *)buf = 0; 2442 totlen = 1; 2443 } 2444 break; 2445 case C(UR_GET_STATUS, UT_READ_DEVICE): 2446 if (len > 1) { 2447 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2448 totlen = 2; 2449 } 2450 break; 2451 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2452 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2453 if (len > 1) { 2454 USETW(((usb_status_t *)buf)->wStatus, 0); 2455 totlen = 2; 2456 } 2457 break; 2458 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2459 if (value >= USB_MAX_DEVICES) { 2460 r = USBD_IOERROR; 2461 goto ret; 2462 } 2463 sc->sc_addr = value; 2464 break; 2465 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2466 if (value != 0 && value != 1) { 2467 r = USBD_IOERROR; 2468 goto ret; 2469 } 2470 sc->sc_conf = value; 2471 break; 2472 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2473 break; 2474 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2475 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2476 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2477 r = USBD_IOERROR; 2478 goto ret; 2479 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2480 break; 2481 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2482 break; 2483 /* Hub requests */ 2484 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2485 break; 2486 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2487 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2488 "port=%d feature=%d\n", 2489 index, value)); 2490 if (index == 1) 2491 port = UHCI_PORTSC1; 2492 else if (index == 2) 2493 port = UHCI_PORTSC2; 2494 else { 2495 r = USBD_IOERROR; 2496 goto ret; 2497 } 2498 switch(value) { 2499 case UHF_PORT_ENABLE: 2500 x = UREAD2(sc, port); 2501 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2502 break; 2503 case UHF_PORT_SUSPEND: 2504 x = UREAD2(sc, port); 2505 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2506 break; 2507 case UHF_PORT_RESET: 2508 x = UREAD2(sc, port); 2509 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2510 break; 2511 case UHF_C_PORT_CONNECTION: 2512 x = UREAD2(sc, port); 2513 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2514 break; 2515 case UHF_C_PORT_ENABLE: 2516 x = UREAD2(sc, port); 2517 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2518 break; 2519 case UHF_C_PORT_OVER_CURRENT: 2520 x = UREAD2(sc, port); 2521 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2522 break; 2523 case UHF_C_PORT_RESET: 2524 sc->sc_isreset = 0; 2525 r = USBD_NORMAL_COMPLETION; 2526 goto ret; 2527 case UHF_PORT_CONNECTION: 2528 case UHF_PORT_OVER_CURRENT: 2529 case UHF_PORT_POWER: 2530 case UHF_PORT_LOW_SPEED: 2531 case UHF_C_PORT_SUSPEND: 2532 default: 2533 r = USBD_IOERROR; 2534 goto ret; 2535 } 2536 break; 2537 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 2538 if (index == 1) 2539 port = UHCI_PORTSC1; 2540 else if (index == 2) 2541 port = UHCI_PORTSC2; 2542 else { 2543 r = USBD_IOERROR; 2544 goto ret; 2545 } 2546 if (len > 0) { 2547 *(u_int8_t *)buf = 2548 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 2549 UHCI_PORTSC_LS_SHIFT; 2550 totlen = 1; 2551 } 2552 break; 2553 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2554 if (value != 0) { 2555 r = USBD_IOERROR; 2556 goto ret; 2557 } 2558 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 2559 totlen = l; 2560 memcpy(buf, &uhci_hubd_piix, l); 2561 break; 2562 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2563 if (len != 4) { 2564 r = USBD_IOERROR; 2565 goto ret; 2566 } 2567 memset(buf, 0, len); 2568 totlen = len; 2569 break; 2570 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2571 if (index == 1) 2572 port = UHCI_PORTSC1; 2573 else if (index == 2) 2574 port = UHCI_PORTSC2; 2575 else { 2576 r = USBD_IOERROR; 2577 goto ret; 2578 } 2579 if (len != 4) { 2580 r = USBD_IOERROR; 2581 goto ret; 2582 } 2583 x = UREAD2(sc, port); 2584 status = change = 0; 2585 if (x & UHCI_PORTSC_CCS ) 2586 status |= UPS_CURRENT_CONNECT_STATUS; 2587 if (x & UHCI_PORTSC_CSC ) 2588 change |= UPS_C_CONNECT_STATUS; 2589 if (x & UHCI_PORTSC_PE ) 2590 status |= UPS_PORT_ENABLED; 2591 if (x & UHCI_PORTSC_POEDC) 2592 change |= UPS_C_PORT_ENABLED; 2593 if (x & UHCI_PORTSC_OCI ) 2594 status |= UPS_OVERCURRENT_INDICATOR; 2595 if (x & UHCI_PORTSC_OCIC ) 2596 change |= UPS_C_OVERCURRENT_INDICATOR; 2597 if (x & UHCI_PORTSC_SUSP ) 2598 status |= UPS_SUSPEND; 2599 if (x & UHCI_PORTSC_LSDA ) 2600 status |= UPS_LOW_SPEED; 2601 status |= UPS_PORT_POWER; 2602 if (sc->sc_isreset) 2603 change |= UPS_C_PORT_RESET; 2604 USETW(ps.wPortStatus, status); 2605 USETW(ps.wPortChange, change); 2606 l = min(len, sizeof ps); 2607 memcpy(buf, &ps, l); 2608 totlen = l; 2609 break; 2610 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 2611 r = USBD_IOERROR; 2612 goto ret; 2613 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 2614 break; 2615 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 2616 if (index == 1) 2617 port = UHCI_PORTSC1; 2618 else if (index == 2) 2619 port = UHCI_PORTSC2; 2620 else { 2621 r = USBD_IOERROR; 2622 goto ret; 2623 } 2624 switch(value) { 2625 case UHF_PORT_ENABLE: 2626 x = UREAD2(sc, port); 2627 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2628 break; 2629 case UHF_PORT_SUSPEND: 2630 x = UREAD2(sc, port); 2631 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 2632 break; 2633 case UHF_PORT_RESET: 2634 x = UREAD2(sc, port); 2635 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 2636 usb_delay_ms(&sc->sc_bus, 10); 2637 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2638 delay(100); 2639 x = UREAD2(sc, port); 2640 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2641 delay(100); 2642 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 2643 index, UREAD2(sc, port))); 2644 sc->sc_isreset = 1; 2645 break; 2646 case UHF_C_PORT_CONNECTION: 2647 case UHF_C_PORT_ENABLE: 2648 case UHF_C_PORT_OVER_CURRENT: 2649 case UHF_PORT_CONNECTION: 2650 case UHF_PORT_OVER_CURRENT: 2651 case UHF_PORT_POWER: 2652 case UHF_PORT_LOW_SPEED: 2653 case UHF_C_PORT_SUSPEND: 2654 case UHF_C_PORT_RESET: 2655 default: 2656 r = USBD_IOERROR; 2657 goto ret; 2658 } 2659 break; 2660 default: 2661 r = USBD_IOERROR; 2662 goto ret; 2663 } 2664 reqh->actlen = totlen; 2665 r = USBD_NORMAL_COMPLETION; 2666 ret: 2667 reqh->status = r; 2668 reqh->hcpriv = 0; 2669 usb_transfer_complete(reqh); 2670 return (USBD_IN_PROGRESS); 2671 } 2672 2673 /* Abort a root control request. */ 2674 void 2675 uhci_root_ctrl_abort(reqh) 2676 usbd_request_handle reqh; 2677 { 2678 /* Nothing to do, all transfers are syncronous. */ 2679 } 2680 2681 /* Close the root pipe. */ 2682 void 2683 uhci_root_ctrl_close(pipe) 2684 usbd_pipe_handle pipe; 2685 { 2686 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2687 2688 sc->sc_has_timo = 0; 2689 DPRINTF(("uhci_root_ctrl_close\n")); 2690 } 2691 2692 /* Abort a root interrupt request. */ 2693 void 2694 uhci_root_intr_abort(reqh) 2695 usbd_request_handle reqh; 2696 { 2697 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 2698 2699 usb_untimeout(uhci_timo, reqh, reqh->timo_handle); 2700 sc->sc_has_timo = 0; 2701 } 2702 2703 usbd_status 2704 uhci_root_intr_transfer(reqh) 2705 usbd_request_handle reqh; 2706 { 2707 int s; 2708 usbd_status r; 2709 2710 s = splusb(); 2711 r = usb_insert_transfer(reqh); 2712 splx(s); 2713 if (r != USBD_NORMAL_COMPLETION) 2714 return (r); 2715 else 2716 return (uhci_root_intr_start(reqh)); 2717 } 2718 2719 /* Start a transfer on the root interrupt pipe */ 2720 usbd_status 2721 uhci_root_intr_start(reqh) 2722 usbd_request_handle reqh; 2723 { 2724 usbd_pipe_handle pipe = reqh->pipe; 2725 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2726 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2727 usb_dma_t *dmap; 2728 usbd_status r; 2729 int len; 2730 2731 DPRINTFN(3, ("uhci_root_intr_transfer: reqh=%p buf=%p len=%d " 2732 "flags=%d\n", 2733 reqh, reqh->buffer, reqh->length, reqh->flags)); 2734 2735 len = reqh->length; 2736 dmap = &upipe->u.intr.datadma; 2737 if (len == 0) 2738 return (USBD_INVAL); /* XXX should it be? */ 2739 2740 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 2741 if (r != USBD_NORMAL_COMPLETION) 2742 return (r); 2743 2744 sc->sc_ival = MS_TO_TICKS(reqh->pipe->endpoint->edesc->bInterval); 2745 usb_timeout(uhci_timo, reqh, sc->sc_ival, reqh->timo_handle); 2746 sc->sc_has_timo = reqh; 2747 return (USBD_IN_PROGRESS); 2748 } 2749 2750 /* Close the root interrupt pipe. */ 2751 void 2752 uhci_root_intr_close(pipe) 2753 usbd_pipe_handle pipe; 2754 { 2755 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2756 2757 usb_untimeout(uhci_timo, pipe->intrreqh, pipe->intrreqh->timo_handle); 2758 sc->sc_has_timo = 0; 2759 DPRINTF(("uhci_root_intr_close\n")); 2760 } 2761 2762
Indexes created Tue Sep 30 20:09:53 GMT 2025