uhci.c revision 1.43
1 /* $NetBSD: uhci.c,v 1.43 1999/08/22 23:41:00 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(p) 752 void *p; 753 { 754 uhci_softc_t *sc = p; 755 int status, ret; 756 uhci_intr_info_t *ii; 757 758 sc->sc_intrs++; 759 #if defined(USB_DEBUG) 760 if (uhcidebug > 9) { 761 printf("uhci_intr %p\n", sc); 762 uhci_dumpregs(sc); 763 } 764 #endif 765 status = UREAD2(sc, UHCI_STS); 766 #if defined(DIAGNOSTIC) && !defined(__OpenBSD__) 767 if (sc->sc_suspend != PWR_RESUME) 768 printf("uhci_intr: suspended sts=0x%x\n", status); 769 #endif 770 ret = 0; 771 if (status & UHCI_STS_USBINT) { 772 UWRITE2(sc, UHCI_STS, UHCI_STS_USBINT); /* acknowledge */ 773 ret = 1; 774 } 775 if (status & UHCI_STS_USBEI) { 776 UWRITE2(sc, UHCI_STS, UHCI_STS_USBEI); /* acknowledge */ 777 ret = 1; 778 } 779 if (status & UHCI_STS_RD) { 780 UWRITE2(sc, UHCI_STS, UHCI_STS_RD); /* acknowledge */ 781 printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); 782 ret = 1; 783 } 784 if (status & UHCI_STS_HSE) { 785 UWRITE2(sc, UHCI_STS, UHCI_STS_HSE); /* acknowledge */ 786 printf("%s: Host System Error\n", USBDEVNAME(sc->sc_bus.bdev)); 787 ret = 1; 788 } 789 if (status & UHCI_STS_HCPE) { 790 UWRITE2(sc, UHCI_STS, UHCI_STS_HCPE); /* acknowledge */ 791 printf("%s: Host System Error\n", USBDEVNAME(sc->sc_bus.bdev)); 792 ret = 1; 793 } 794 if (status & UHCI_STS_HCH) 795 printf("%s: controller halted\n", USBDEVNAME(sc->sc_bus.bdev)); 796 if (!ret) 797 return 0; 798 799 /* 800 * Interrupts on UHCI really suck. When the host controller 801 * interrupts because a transfer is completed there is no 802 * way of knowing which transfer it was. You can scan down 803 * the TDs and QHs of the previous frame to limit the search, 804 * but that assumes that the interrupt was not delayed by more 805 * than 1 ms, which may not always be true (e.g. after debug 806 * output on a slow console). 807 * We scan all interrupt descriptors to see if any have 808 * completed. 809 */ 810 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 811 uhci_check_intr(sc, ii); 812 813 DPRINTFN(10, ("uhci_intr: exit\n")); 814 return 1; 815 } 816 817 /* Check for an interrupt. */ 818 void 819 uhci_check_intr(sc, ii) 820 uhci_softc_t *sc; 821 uhci_intr_info_t *ii; 822 { 823 uhci_soft_td_t *std, *lstd; 824 u_int32_t status; 825 826 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 827 #ifdef DIAGNOSTIC 828 if (!ii) { 829 printf("uhci_check_intr: no ii? %p\n", ii); 830 return; 831 } 832 #endif 833 if (!ii->stdstart) 834 return; 835 lstd = ii->stdend; 836 #ifdef DIAGNOSTIC 837 if (!lstd) { 838 printf("uhci_check_intr: std==0\n"); 839 return; 840 } 841 #endif 842 /* 843 * If the last TD is still active we need to check whether there 844 * is a an error somewhere in the middle, or whether there was a 845 * short packet (SPD and not ACTIVE). 846 */ 847 if (LE(lstd->td.td_status) & UHCI_TD_ACTIVE) { 848 DPRINTFN(15, ("uhci_check_intr: active ii=%p\n", ii)); 849 for (std = ii->stdstart; std != lstd; std = std->link.std){ 850 status = LE(std->td.td_status); 851 if ((status & UHCI_TD_STALLED) || 852 (status & (UHCI_TD_SPD | UHCI_TD_ACTIVE)) == 853 UHCI_TD_SPD) 854 goto done; 855 } 856 DPRINTFN(15, ("uhci_check_intr: ii=%p std=%p still active\n", 857 ii, ii->stdstart)); 858 return; 859 } 860 done: 861 usb_untimeout(uhci_timeout, ii, ii->timeout_handle); 862 uhci_idone(ii); 863 } 864 865 void 866 uhci_idone(ii) 867 uhci_intr_info_t *ii; 868 { 869 usbd_request_handle reqh = ii->reqh; 870 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 871 uhci_soft_td_t *std; 872 u_int32_t status; 873 int actlen; 874 875 #ifdef USB_DEBUG 876 DPRINTFN(10, ("uhci_idone: ii=%p ready\n", ii)); 877 if (uhcidebug > 10) 878 uhci_dump_tds(ii->stdstart); 879 #endif 880 881 if (reqh->status == USBD_CANCELLED || 882 reqh->status == USBD_TIMEOUT) { 883 DPRINTF(("uhci_idone: aborted reqh=%p\n", reqh)); 884 return; 885 } 886 887 #ifdef DIAGNOSTIC 888 { 889 int s = splhigh(); 890 if (ii->isdone) { 891 splx(s); 892 printf("uhci_idone: ii=%p is done!\n", ii); 893 return; 894 } 895 ii->isdone = 1; 896 splx(s); 897 } 898 #endif 899 900 /* The transfer is done, compute actual length and status. */ 901 /* XXX Is this correct for control xfers? */ 902 actlen = 0; 903 for (std = ii->stdstart; std; std = std->link.std) { 904 status = LE(std->td.td_status); 905 if (status & UHCI_TD_ACTIVE) 906 break; 907 if (UHCI_TD_GET_PID(LE(std->td.td_token)) != 908 UHCI_TD_PID_SETUP) 909 actlen += UHCI_TD_GET_ACTLEN(status); 910 } 911 /* If there are left over TDs we need to update the toggle. */ 912 if (std) 913 upipe->nexttoggle = UHCI_TD_GET_DT(LE(std->td.td_token)); 914 915 status &= UHCI_TD_ERROR; 916 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 917 actlen, status)); 918 reqh->actlen = actlen; 919 if (status != 0) { 920 DPRINTFN(-1+((status&UHCI_TD_STALLED)!=0), 921 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 922 "status 0x%b\n", 923 reqh->pipe->device->address, 924 reqh->pipe->endpoint->edesc->bEndpointAddress, 925 (int)status, 926 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 927 "STALLED\30ACTIVE")); 928 if (status == UHCI_TD_STALLED) 929 reqh->status = USBD_STALLED; 930 else 931 reqh->status = USBD_IOERROR; /* more info XXX */ 932 } else { 933 reqh->status = USBD_NORMAL_COMPLETION; 934 } 935 reqh->hcpriv = ii; 936 usb_transfer_complete(reqh); 937 } 938 939 /* 940 * Called when a request does not complete. 941 */ 942 void 943 uhci_timeout(addr) 944 void *addr; 945 { 946 uhci_intr_info_t *ii = addr; 947 948 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 949 uhci_abort_req(ii->reqh, USBD_TIMEOUT); 950 } 951 952 /* 953 * Wait here until controller claims to have an interrupt. 954 * Then call uhci_intr and return. Use timeout to avoid waiting 955 * too long. 956 * Only used during boot when interrupts are not enabled yet. 957 */ 958 void 959 uhci_waitintr(sc, reqh) 960 uhci_softc_t *sc; 961 usbd_request_handle reqh; 962 { 963 int timo = reqh->timeout; 964 uhci_intr_info_t *ii; 965 966 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 967 968 reqh->status = USBD_IN_PROGRESS; 969 for (; timo >= 0; timo--) { 970 usb_delay_ms(&sc->sc_bus, 1); 971 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 972 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 973 uhci_intr(sc); 974 if (reqh->status != USBD_IN_PROGRESS) 975 return; 976 } 977 } 978 979 /* Timeout */ 980 DPRINTF(("uhci_waitintr: timeout\n")); 981 for (ii = LIST_FIRST(&sc->sc_intrhead); 982 ii && ii->reqh != reqh; 983 ii = LIST_NEXT(ii, list)) 984 ; 985 #ifdef DIAGNOSTIC 986 if (!ii) 987 panic("uhci_waitintr: lost intr_info\n"); 988 #endif 989 uhci_idone(ii); 990 } 991 992 void 993 uhci_poll(bus) 994 struct usbd_bus *bus; 995 { 996 uhci_softc_t *sc = (uhci_softc_t *)bus; 997 998 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 999 uhci_intr(sc); 1000 } 1001 1002 #if 0 1003 void 1004 uhci_reset(p) 1005 void *p; 1006 { 1007 uhci_softc_t *sc = p; 1008 int n; 1009 1010 UHCICMD(sc, UHCI_CMD_HCRESET); 1011 /* The reset bit goes low when the controller is done. */ 1012 for (n = 0; n < UHCI_RESET_TIMEOUT && 1013 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1014 delay(100); 1015 if (n >= UHCI_RESET_TIMEOUT) 1016 printf("%s: controller did not reset\n", 1017 USBDEVNAME(sc->sc_bus.bdev)); 1018 } 1019 #endif 1020 1021 usbd_status 1022 uhci_run(sc, run) 1023 uhci_softc_t *sc; 1024 int run; 1025 { 1026 int s, n, running; 1027 1028 run = run != 0; 1029 s = splusb(); 1030 DPRINTF(("uhci_run: setting run=%d\n", run)); 1031 UHCICMD(sc, run ? UHCI_CMD_RS : 0); 1032 for(n = 0; n < 10; n++) { 1033 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1034 /* return when we've entered the state we want */ 1035 if (run == running) { 1036 splx(s); 1037 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1038 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1039 return (USBD_NORMAL_COMPLETION); 1040 } 1041 usb_delay_ms(&sc->sc_bus, 1); 1042 } 1043 splx(s); 1044 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1045 run ? "start" : "stop"); 1046 return (USBD_IOERROR); 1047 } 1048 1049 /* 1050 * Memory management routines. 1051 * uhci_alloc_std allocates TDs 1052 * uhci_alloc_sqh allocates QHs 1053 * These two routines do their own free list management, 1054 * partly for speed, partly because allocating DMAable memory 1055 * has page size granularaity so much memory would be wasted if 1056 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1057 */ 1058 1059 uhci_soft_td_t * 1060 uhci_alloc_std(sc) 1061 uhci_softc_t *sc; 1062 { 1063 uhci_soft_td_t *std; 1064 usbd_status r; 1065 int i, offs; 1066 usb_dma_t dma; 1067 1068 if (!sc->sc_freetds) { 1069 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1070 r = usb_allocmem(sc->sc_dmatag, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1071 UHCI_TD_ALIGN, &dma); 1072 if (r != USBD_NORMAL_COMPLETION) 1073 return (0); 1074 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1075 offs = i * UHCI_STD_SIZE; 1076 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1077 std->physaddr = DMAADDR(&dma) + offs; 1078 std->link.std = sc->sc_freetds; 1079 sc->sc_freetds = std; 1080 } 1081 } 1082 std = sc->sc_freetds; 1083 sc->sc_freetds = std->link.std; 1084 memset(&std->td, 0, sizeof(uhci_td_t)); 1085 return std; 1086 } 1087 1088 void 1089 uhci_free_std(sc, std) 1090 uhci_softc_t *sc; 1091 uhci_soft_td_t *std; 1092 { 1093 #ifdef DIAGNOSTIC 1094 #define TD_IS_FREE 0x12345678 1095 if (LE(std->td.td_token) == TD_IS_FREE) { 1096 printf("uhci_free_std: freeing free TD %p\n", std); 1097 return; 1098 } 1099 std->td.td_token = LE(TD_IS_FREE); 1100 #endif 1101 std->link.std = sc->sc_freetds; 1102 sc->sc_freetds = std; 1103 } 1104 1105 uhci_soft_qh_t * 1106 uhci_alloc_sqh(sc) 1107 uhci_softc_t *sc; 1108 { 1109 uhci_soft_qh_t *sqh; 1110 usbd_status r; 1111 int i, offs; 1112 usb_dma_t dma; 1113 1114 if (!sc->sc_freeqhs) { 1115 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1116 r = usb_allocmem(sc->sc_dmatag, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1117 UHCI_QH_ALIGN, &dma); 1118 if (r != USBD_NORMAL_COMPLETION) 1119 return 0; 1120 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1121 offs = i * UHCI_SQH_SIZE; 1122 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1123 sqh->physaddr = DMAADDR(&dma) + offs; 1124 sqh->hlink = sc->sc_freeqhs; 1125 sc->sc_freeqhs = sqh; 1126 } 1127 } 1128 sqh = sc->sc_freeqhs; 1129 sc->sc_freeqhs = sqh->hlink; 1130 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1131 return (sqh); 1132 } 1133 1134 void 1135 uhci_free_sqh(sc, sqh) 1136 uhci_softc_t *sc; 1137 uhci_soft_qh_t *sqh; 1138 { 1139 sqh->hlink = sc->sc_freeqhs; 1140 sc->sc_freeqhs = sqh; 1141 } 1142 1143 #if 0 1144 /* 1145 * Enter a list of transfers onto a control queue. 1146 * Called at splusb() 1147 */ 1148 void 1149 uhci_enter_ctl_q(sc, sqh, ii) 1150 uhci_softc_t *sc; 1151 uhci_soft_qh_t *sqh; 1152 uhci_intr_info_t *ii; 1153 { 1154 DPRINTFN(5, ("uhci_enter_ctl_q: sqh=%p\n", sqh)); 1155 1156 } 1157 #endif 1158 1159 void 1160 uhci_free_std_chain(sc, std, stdend) 1161 uhci_softc_t *sc; 1162 uhci_soft_td_t *std; 1163 uhci_soft_td_t *stdend; 1164 { 1165 uhci_soft_td_t *p; 1166 1167 for (; std != stdend; std = p) { 1168 p = std->link.std; 1169 uhci_free_std(sc, std); 1170 } 1171 } 1172 1173 usbd_status 1174 uhci_alloc_std_chain(upipe, sc, len, rd, shortok, dma, sp, ep) 1175 struct uhci_pipe *upipe; 1176 uhci_softc_t *sc; 1177 int len, rd, shortok; 1178 usb_dma_t *dma; 1179 uhci_soft_td_t **sp, **ep; 1180 { 1181 uhci_soft_td_t *p, *lastp; 1182 uhci_physaddr_t lastlink; 1183 int i, ntd, l, tog, maxp; 1184 u_int32_t status; 1185 int addr = upipe->pipe.device->address; 1186 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1187 1188 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1189 "shortok=%d\n", addr, UE_GET_ADDR(endpt), len, 1190 upipe->pipe.device->lowspeed, shortok)); 1191 if (len == 0) { 1192 *sp = *ep = 0; 1193 DPRINTFN(-1,("uhci_alloc_std_chain: len=0\n")); 1194 return (USBD_NORMAL_COMPLETION); 1195 } 1196 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1197 if (maxp == 0) { 1198 printf("uhci_alloc_std_chain: maxp=0\n"); 1199 return (USBD_INVAL); 1200 } 1201 ntd = (len + maxp - 1) / maxp; 1202 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1203 tog = upipe->nexttoggle; 1204 if (ntd % 2 == 0) 1205 tog ^= 1; 1206 upipe->nexttoggle = tog ^ 1; 1207 lastp = 0; 1208 lastlink = UHCI_PTR_T; 1209 ntd--; 1210 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1211 if (upipe->pipe.device->lowspeed) 1212 status |= UHCI_TD_LS; 1213 if (shortok) 1214 status |= UHCI_TD_SPD; 1215 for (i = ntd; i >= 0; i--) { 1216 p = uhci_alloc_std(sc); 1217 if (!p) { 1218 uhci_free_std_chain(sc, lastp, 0); 1219 return (USBD_NOMEM); 1220 } 1221 p->link.std = lastp; 1222 p->td.td_link = LE(lastlink); 1223 lastp = p; 1224 lastlink = p->physaddr; 1225 p->td.td_status = LE(status); 1226 if (i == ntd) { 1227 /* last TD */ 1228 l = len % maxp; 1229 if (l == 0) l = maxp; 1230 *ep = p; 1231 } else 1232 l = maxp; 1233 p->td.td_token = 1234 LE(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1235 UHCI_TD_OUT(l, endpt, addr, tog)); 1236 p->td.td_buffer = LE(DMAADDR(dma) + i * maxp); 1237 tog ^= 1; 1238 } 1239 *sp = lastp; 1240 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1241 upipe->nexttoggle)); 1242 return (USBD_NORMAL_COMPLETION); 1243 } 1244 1245 void 1246 uhci_device_clear_toggle(pipe) 1247 usbd_pipe_handle pipe; 1248 { 1249 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1250 upipe->nexttoggle = 0; 1251 } 1252 1253 void 1254 uhci_noop(pipe) 1255 usbd_pipe_handle pipe; 1256 { 1257 } 1258 1259 usbd_status 1260 uhci_device_bulk_transfer(reqh) 1261 usbd_request_handle reqh; 1262 { 1263 int s; 1264 usbd_status r; 1265 1266 s = splusb(); 1267 r = usb_insert_transfer(reqh); 1268 splx(s); 1269 if (r != USBD_NORMAL_COMPLETION) 1270 return (r); 1271 else 1272 return (uhci_device_bulk_start(reqh)); 1273 } 1274 1275 usbd_status 1276 uhci_device_bulk_start(reqh) 1277 usbd_request_handle reqh; 1278 { 1279 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1280 usbd_device_handle dev = upipe->pipe.device; 1281 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1282 uhci_intr_info_t *ii = upipe->iinfo; 1283 uhci_soft_td_t *xfer, *xferend; 1284 uhci_soft_qh_t *sqh; 1285 usb_dma_t *dmap; 1286 usbd_status r; 1287 int len, isread; 1288 int s; 1289 1290 DPRINTFN(3, ("uhci_device_bulk_transfer: reqh=%p buf=%p len=%d " 1291 "flags=%d\n", 1292 reqh, reqh->buffer, reqh->length, reqh->flags)); 1293 1294 if (reqh->isreq) 1295 panic("uhci_device_bulk_transfer: a request\n"); 1296 1297 len = reqh->length; 1298 dmap = &upipe->u.bulk.datadma; 1299 isread = reqh->pipe->endpoint->edesc->bEndpointAddress & UE_IN; 1300 sqh = upipe->u.bulk.sqh; 1301 1302 upipe->u.bulk.isread = isread; 1303 upipe->u.bulk.length = len; 1304 1305 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1306 if (r != USBD_NORMAL_COMPLETION) 1307 goto ret1; 1308 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1309 reqh->flags & USBD_SHORT_XFER_OK, 1310 dmap, &xfer, &xferend); 1311 if (r != USBD_NORMAL_COMPLETION) 1312 goto ret2; 1313 xferend->td.td_status |= LE(UHCI_TD_IOC); 1314 1315 if (!isread && len != 0) 1316 memcpy(KERNADDR(dmap), reqh->buffer, len); 1317 1318 #ifdef USB_DEBUG 1319 if (uhcidebug > 8) { 1320 printf("uhci_device_bulk_transfer: xfer(1)\n"); 1321 uhci_dump_tds(xfer); 1322 } 1323 #endif 1324 1325 /* Set up interrupt info. */ 1326 ii->reqh = reqh; 1327 ii->stdstart = xfer; 1328 ii->stdend = xferend; 1329 #ifdef DIAGNOSTIC 1330 ii->isdone = 0; 1331 #endif 1332 1333 sqh->elink = xfer; 1334 sqh->qh.qh_elink = LE(xfer->physaddr); 1335 sqh->intr_info = ii; 1336 1337 s = splusb(); 1338 uhci_add_bulk(sc, sqh); 1339 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1340 1341 if (reqh->timeout && !sc->sc_bus.use_polling) { 1342 usb_timeout(uhci_timeout, ii, 1343 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1344 } 1345 splx(s); 1346 1347 #ifdef USB_DEBUG 1348 if (uhcidebug > 10) { 1349 printf("uhci_device_bulk_transfer: xfer(2)\n"); 1350 uhci_dump_tds(xfer); 1351 } 1352 #endif 1353 1354 if (sc->sc_bus.use_polling) 1355 uhci_waitintr(sc, reqh); 1356 1357 return (USBD_IN_PROGRESS); 1358 1359 ret2: 1360 if (len != 0) 1361 usb_freemem(sc->sc_dmatag, dmap); 1362 ret1: 1363 return (r); 1364 } 1365 1366 /* Abort a device bulk request. */ 1367 void 1368 uhci_device_bulk_abort(reqh) 1369 usbd_request_handle reqh; 1370 { 1371 DPRINTF(("uhci_device_bulk_abort:\n")); 1372 uhci_abort_req(reqh, USBD_CANCELLED); 1373 } 1374 1375 void 1376 uhci_abort_req(reqh, status) 1377 usbd_request_handle reqh; 1378 usbd_status status; 1379 { 1380 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1381 uhci_intr_info_t *ii = upipe->iinfo; 1382 uhci_soft_td_t *std; 1383 1384 /* Make interrupt routine ignore it, */ 1385 reqh->status = status; 1386 1387 /* don't timeout, */ 1388 usb_untimeout(uhci_timeout, ii, ii->timeout_handle); 1389 1390 /* make hardware ignore it, */ 1391 for (std = ii->stdstart; std != 0; std = std->link.std) 1392 std->td.td_status &= LE(~UHCI_TD_ACTIVE); 1393 1394 reqh->hcpriv = ii; 1395 1396 /* make sure hardware has completed, */ 1397 if (curproc) { 1398 usb_delay_ms(reqh->pipe->device->bus, 1); 1399 /* and call final part of interrupt handler. */ 1400 uhci_abort_req_end(reqh); 1401 } else { 1402 /* We have no process context, so we can't use tsleep(). */ 1403 timeout(uhci_abort_req_end, reqh, hz / USB_FRAMES_PER_SECOND); 1404 } 1405 } 1406 1407 void 1408 uhci_abort_req_end(v) 1409 void *v; 1410 { 1411 usbd_request_handle reqh = v; 1412 int s; 1413 1414 s = splusb(); 1415 usb_transfer_complete(reqh); 1416 splx(s); 1417 } 1418 1419 /* Close a device bulk pipe. */ 1420 void 1421 uhci_device_bulk_close(pipe) 1422 usbd_pipe_handle pipe; 1423 { 1424 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1425 usbd_device_handle dev = upipe->pipe.device; 1426 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1427 1428 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1429 uhci_free_intr_info(upipe->iinfo); 1430 /* XXX free other resources */ 1431 } 1432 1433 usbd_status 1434 uhci_device_ctrl_transfer(reqh) 1435 usbd_request_handle reqh; 1436 { 1437 int s; 1438 usbd_status r; 1439 1440 s = splusb(); 1441 r = usb_insert_transfer(reqh); 1442 splx(s); 1443 if (r != USBD_NORMAL_COMPLETION) 1444 return (r); 1445 else 1446 return (uhci_device_ctrl_start(reqh)); 1447 } 1448 1449 usbd_status 1450 uhci_device_ctrl_start(reqh) 1451 usbd_request_handle reqh; 1452 { 1453 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 1454 usbd_status r; 1455 1456 if (!reqh->isreq) 1457 panic("uhci_device_ctrl_transfer: not a request\n"); 1458 1459 r = uhci_device_request(reqh); 1460 if (r != USBD_NORMAL_COMPLETION) 1461 return (r); 1462 1463 if (sc->sc_bus.use_polling) 1464 uhci_waitintr(sc, reqh); 1465 return (USBD_IN_PROGRESS); 1466 } 1467 1468 usbd_status 1469 uhci_device_intr_transfer(reqh) 1470 usbd_request_handle reqh; 1471 { 1472 int s; 1473 usbd_status r; 1474 1475 s = splusb(); 1476 r = usb_insert_transfer(reqh); 1477 splx(s); 1478 if (r != USBD_NORMAL_COMPLETION) 1479 return (r); 1480 else 1481 return (uhci_device_intr_start(reqh)); 1482 } 1483 1484 usbd_status 1485 uhci_device_intr_start(reqh) 1486 usbd_request_handle reqh; 1487 { 1488 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1489 usbd_device_handle dev = upipe->pipe.device; 1490 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1491 uhci_intr_info_t *ii = upipe->iinfo; 1492 uhci_soft_td_t *xfer, *xferend; 1493 uhci_soft_qh_t *sqh; 1494 usb_dma_t *dmap; 1495 usbd_status r; 1496 int len, i; 1497 int s; 1498 1499 DPRINTFN(3, ("uhci_device_intr_transfer: reqh=%p buf=%p len=%d " 1500 "flags=%d\n", 1501 reqh, reqh->buffer, reqh->length, reqh->flags)); 1502 1503 if (reqh->isreq) 1504 panic("uhci_device_intr_transfer: a request\n"); 1505 1506 len = reqh->length; 1507 dmap = &upipe->u.intr.datadma; 1508 if (len == 0) 1509 return (USBD_INVAL); /* XXX should it be? */ 1510 1511 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1512 if (r != USBD_NORMAL_COMPLETION) 1513 goto ret1; 1514 r = uhci_alloc_std_chain(upipe, sc, len, 1, 1515 reqh->flags & USBD_SHORT_XFER_OK, 1516 dmap, &xfer, &xferend); 1517 if (r != USBD_NORMAL_COMPLETION) 1518 goto ret2; 1519 xferend->td.td_status |= LE(UHCI_TD_IOC); 1520 1521 #ifdef USB_DEBUG 1522 if (uhcidebug > 10) { 1523 printf("uhci_device_intr_transfer: xfer(1)\n"); 1524 uhci_dump_tds(xfer); 1525 uhci_dump_qh(upipe->u.intr.qhs[0]); 1526 } 1527 #endif 1528 1529 s = splusb(); 1530 /* Set up interrupt info. */ 1531 ii->reqh = reqh; 1532 ii->stdstart = xfer; 1533 ii->stdend = xferend; 1534 #ifdef DIAGNOSTIC 1535 ii->isdone = 0; 1536 #endif 1537 1538 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1539 upipe->u.intr.qhs[0])); 1540 for (i = 0; i < upipe->u.intr.npoll; i++) { 1541 sqh = upipe->u.intr.qhs[i]; 1542 sqh->elink = xfer; 1543 sqh->qh.qh_elink = LE(xfer->physaddr); 1544 } 1545 splx(s); 1546 1547 #ifdef USB_DEBUG 1548 if (uhcidebug > 10) { 1549 printf("uhci_device_intr_transfer: xfer(2)\n"); 1550 uhci_dump_tds(xfer); 1551 uhci_dump_qh(upipe->u.intr.qhs[0]); 1552 } 1553 #endif 1554 1555 return (USBD_IN_PROGRESS); 1556 1557 ret2: 1558 if (len != 0) 1559 usb_freemem(sc->sc_dmatag, dmap); 1560 ret1: 1561 return (r); 1562 } 1563 1564 /* Abort a device control request. */ 1565 void 1566 uhci_device_ctrl_abort(reqh) 1567 usbd_request_handle reqh; 1568 { 1569 DPRINTF(("uhci_device_ctrl_abort:\n")); 1570 uhci_abort_req(reqh, USBD_CANCELLED); 1571 } 1572 1573 /* Close a device control pipe. */ 1574 void 1575 uhci_device_ctrl_close(pipe) 1576 usbd_pipe_handle pipe; 1577 { 1578 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1579 1580 uhci_free_intr_info(upipe->iinfo); 1581 /* XXX free other resources */ 1582 } 1583 1584 /* Abort a device interrupt request. */ 1585 void 1586 uhci_device_intr_abort(reqh) 1587 usbd_request_handle reqh; 1588 { 1589 DPRINTFN(1,("uhci_device_intr_abort: reqh=%p\n", reqh)); 1590 if (reqh->pipe->intrreqh == reqh) { 1591 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1592 reqh->pipe->intrreqh = 0; 1593 } 1594 uhci_abort_req(reqh, USBD_CANCELLED); 1595 } 1596 1597 /* Close a device interrupt pipe. */ 1598 void 1599 uhci_device_intr_close(pipe) 1600 usbd_pipe_handle pipe; 1601 { 1602 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1603 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1604 int i, s, npoll; 1605 1606 upipe->iinfo->stdstart = 0; /* inactive */ 1607 1608 /* Unlink descriptors from controller data structures. */ 1609 npoll = upipe->u.intr.npoll; 1610 uhci_lock_frames(sc); 1611 for (i = 0; i < npoll; i++) 1612 uhci_remove_intr(sc, upipe->u.intr.qhs[i]->pos, 1613 upipe->u.intr.qhs[i]); 1614 uhci_unlock_frames(sc); 1615 1616 /* 1617 * We now have to wait for any activity on the physical 1618 * descriptors to stop. 1619 */ 1620 usb_delay_ms(&sc->sc_bus, 2); 1621 1622 for(i = 0; i < npoll; i++) 1623 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1624 free(upipe->u.intr.qhs, M_USBHC); 1625 1626 s = splusb(); 1627 LIST_REMOVE(upipe->iinfo, list); /* remove from active list */ 1628 splx(s); 1629 uhci_free_intr_info(upipe->iinfo); 1630 1631 /* XXX free other resources */ 1632 } 1633 1634 usbd_status 1635 uhci_device_request(reqh) 1636 usbd_request_handle reqh; 1637 { 1638 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1639 usb_device_request_t *req = &reqh->request; 1640 usbd_device_handle dev = upipe->pipe.device; 1641 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1642 int addr = dev->address; 1643 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1644 uhci_intr_info_t *ii = upipe->iinfo; 1645 uhci_soft_td_t *setup, *xfer, *stat, *next, *xferend; 1646 uhci_soft_qh_t *sqh; 1647 usb_dma_t *dmap; 1648 int len; 1649 u_int32_t ls; 1650 usbd_status r; 1651 int isread; 1652 int s; 1653 1654 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1655 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1656 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1657 UGETW(req->wIndex), UGETW(req->wLength), 1658 addr, endpt)); 1659 1660 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1661 isread = req->bmRequestType & UT_READ; 1662 len = UGETW(req->wLength); 1663 1664 setup = upipe->u.ctl.setup; 1665 stat = upipe->u.ctl.stat; 1666 sqh = upipe->u.ctl.sqh; 1667 dmap = &upipe->u.ctl.datadma; 1668 1669 /* Set up data transaction */ 1670 if (len != 0) { 1671 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1672 if (r != USBD_NORMAL_COMPLETION) 1673 goto ret1; 1674 upipe->nexttoggle = 1; 1675 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1676 reqh->flags & USBD_SHORT_XFER_OK, 1677 dmap, &xfer, &xferend); 1678 if (r != USBD_NORMAL_COMPLETION) 1679 goto ret2; 1680 next = xfer; 1681 xferend->link.std = stat; 1682 xferend->td.td_link = LE(stat->physaddr); 1683 } else { 1684 next = stat; 1685 } 1686 upipe->u.ctl.length = len; 1687 1688 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 1689 if (!isread && len != 0) 1690 memcpy(KERNADDR(dmap), reqh->buffer, len); 1691 1692 setup->link.std = next; 1693 setup->td.td_link = LE(next->physaddr); 1694 setup->td.td_status = LE(UHCI_TD_SET_ERRCNT(3) | ls | UHCI_TD_ACTIVE); 1695 setup->td.td_token = LE(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 1696 setup->td.td_buffer = LE(DMAADDR(&upipe->u.ctl.reqdma)); 1697 1698 stat->link.std = 0; 1699 stat->td.td_link = LE(UHCI_PTR_T); 1700 stat->td.td_status = LE(UHCI_TD_SET_ERRCNT(3) | ls | 1701 UHCI_TD_ACTIVE | UHCI_TD_IOC); 1702 stat->td.td_token = 1703 LE(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 1704 UHCI_TD_IN (0, endpt, addr, 1)); 1705 stat->td.td_buffer = LE(0); 1706 1707 #ifdef USB_DEBUG 1708 if (uhcidebug > 20) { 1709 printf("uhci_device_request: before transfer\n"); 1710 uhci_dump_tds(setup); 1711 } 1712 #endif 1713 1714 /* Set up interrupt info. */ 1715 ii->reqh = reqh; 1716 ii->stdstart = setup; 1717 ii->stdend = stat; 1718 #ifdef DIAGNOSTIC 1719 ii->isdone = 0; 1720 #endif 1721 1722 sqh->elink = setup; 1723 sqh->qh.qh_elink = LE(setup->physaddr); 1724 sqh->intr_info = ii; 1725 1726 s = splusb(); 1727 uhci_add_ctrl(sc, sqh); 1728 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1729 #ifdef USB_DEBUG 1730 if (uhcidebug > 12) { 1731 uhci_soft_td_t *std; 1732 uhci_soft_qh_t *xqh; 1733 uhci_soft_qh_t *sxqh; 1734 int maxqh = 0; 1735 uhci_physaddr_t link; 1736 printf("uhci_enter_ctl_q: follow from [0]\n"); 1737 for (std = sc->sc_vframes[0].htd, link = 0; 1738 (link & UHCI_PTR_Q) == 0; 1739 std = std->link.std) { 1740 link = LE(std->td.td_link); 1741 uhci_dump_td(std); 1742 } 1743 for (sxqh = xqh = (uhci_soft_qh_t *)std; 1744 xqh; 1745 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 1746 xqh->hlink==xqh ? NULL : xqh->hlink)) { 1747 uhci_dump_qh(xqh); 1748 uhci_dump_qh(sxqh); 1749 } 1750 printf("Enqueued QH:\n"); 1751 uhci_dump_qh(sqh); 1752 uhci_dump_tds(sqh->elink); 1753 } 1754 #endif 1755 if (reqh->timeout && !sc->sc_bus.use_polling) { 1756 usb_timeout(uhci_timeout, ii, 1757 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1758 } 1759 splx(s); 1760 1761 return (USBD_NORMAL_COMPLETION); 1762 1763 ret2: 1764 if (len != 0) 1765 usb_freemem(sc->sc_dmatag, dmap); 1766 ret1: 1767 return (r); 1768 } 1769 1770 usbd_status 1771 uhci_device_isoc_transfer(reqh) 1772 usbd_request_handle reqh; 1773 { 1774 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1775 #ifdef USB_DEBUG 1776 usbd_device_handle dev = upipe->pipe.device; 1777 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1778 #endif 1779 1780 DPRINTFN(1,("uhci_device_isoc_transfer: sc=%p\n", sc)); 1781 if (upipe->u.iso.bufsize == 0) 1782 return (USBD_INVAL); 1783 1784 /* XXX copy data */ 1785 return (USBD_XXX); 1786 } 1787 1788 usbd_status 1789 uhci_device_isoc_start(reqh) 1790 usbd_request_handle reqh; 1791 { 1792 return (USBD_XXX); 1793 } 1794 1795 void 1796 uhci_device_isoc_abort(reqh) 1797 usbd_request_handle reqh; 1798 { 1799 /* XXX Can't abort this. */ 1800 } 1801 1802 void 1803 uhci_device_isoc_close(pipe) 1804 usbd_pipe_handle pipe; 1805 { 1806 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1807 usbd_device_handle dev = upipe->pipe.device; 1808 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1809 struct iso *iso; 1810 int i; 1811 1812 /* 1813 * Make sure all TDs are marked as inactive. 1814 * Wait for completion. 1815 * Unschedule. 1816 * Deallocate. 1817 */ 1818 iso = &upipe->u.iso; 1819 1820 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 1821 iso->stds[i]->td.td_status &= LE(~UHCI_TD_ACTIVE); 1822 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 1823 1824 uhci_lock_frames(sc); 1825 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1826 uhci_soft_td_t *std, *vstd; 1827 1828 std = iso->stds[i]; 1829 for (vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1830 vstd && vstd->link.std != std; 1831 vstd = vstd->link.std) 1832 ; 1833 if (!vstd) { 1834 /*panic*/ 1835 printf("uhci_device_isoc_close: %p not found\n", std); 1836 uhci_unlock_frames(sc); 1837 return; 1838 } 1839 vstd->link = std->link; 1840 vstd->td.td_link = std->td.td_link; 1841 uhci_free_std(sc, std); 1842 } 1843 uhci_unlock_frames(sc); 1844 1845 for (i = 0; i < iso->nbuf; i++) 1846 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1847 free(iso->stds, M_USBHC); 1848 free(iso->bufs, M_USBHC); 1849 1850 /* XXX what else? */ 1851 } 1852 1853 usbd_status 1854 uhci_device_isoc_setbuf(pipe, bufsize, nbuf) 1855 usbd_pipe_handle pipe; 1856 u_int bufsize; 1857 u_int nbuf; 1858 { 1859 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1860 usbd_device_handle dev = upipe->pipe.device; 1861 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1862 int addr = upipe->pipe.device->address; 1863 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1864 int rd = upipe->pipe.endpoint->edesc->bEndpointAddress & UE_IN; 1865 struct iso *iso; 1866 int i; 1867 usbd_status r; 1868 1869 /* 1870 * For simplicity the number of buffers must fit nicely in the frame 1871 * list. 1872 */ 1873 if (UHCI_VFRAMELIST_COUNT % nbuf != 0) 1874 return (USBD_INVAL); 1875 1876 iso = &upipe->u.iso; 1877 iso->bufsize = bufsize; 1878 iso->nbuf = nbuf; 1879 1880 /* Allocate memory for buffers. */ 1881 iso->bufs = malloc(nbuf * sizeof(usb_dma_t), M_USBHC, M_WAITOK); 1882 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 1883 M_USBHC, M_WAITOK); 1884 1885 for (i = 0; i < nbuf; i++) { 1886 r = usb_allocmem(sc->sc_dmatag, bufsize, 0, &iso->bufs[i]); 1887 if (r != USBD_NORMAL_COMPLETION) { 1888 nbuf = i; 1889 goto bad1; 1890 } 1891 } 1892 1893 /* Allocate the TDs. */ 1894 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1895 iso->stds[i] = uhci_alloc_std(sc); 1896 if (iso->stds[i] == 0) 1897 goto bad2; 1898 } 1899 1900 /* XXX check schedule */ 1901 1902 /* XXX interrupts */ 1903 1904 /* Insert TDs into schedule, all marked inactive. */ 1905 uhci_lock_frames(sc); 1906 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1907 uhci_soft_td_t *std, *vstd; 1908 1909 std = iso->stds[i]; 1910 std->td.td_status = LE(UHCI_TD_IOS); /* iso, inactive */ 1911 std->td.td_token = 1912 LE(rd ? UHCI_TD_IN (0, endpt, addr, 0) : 1913 UHCI_TD_OUT(0, endpt, addr, 0)); 1914 std->td.td_buffer = LE(DMAADDR(&iso->bufs[i % nbuf])); 1915 1916 vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1917 std->link = vstd->link; 1918 std->td.td_link = vstd->td.td_link; 1919 vstd->link.std = std; 1920 vstd->td.td_link = LE(std->physaddr); 1921 } 1922 uhci_unlock_frames(sc); 1923 1924 return (USBD_NORMAL_COMPLETION); 1925 1926 bad2: 1927 while (--i >= 0) 1928 uhci_free_std(sc, iso->stds[i]); 1929 bad1: 1930 for (i = 0; i < nbuf; i++) 1931 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1932 free(iso->stds, M_USBHC); 1933 free(iso->bufs, M_USBHC); 1934 return (USBD_NOMEM); 1935 } 1936 1937 void 1938 uhci_device_isoc_done(reqh) 1939 usbd_request_handle reqh; 1940 { 1941 /*uhci_intr_info_t *ii = v;*/ 1942 } 1943 1944 void 1945 uhci_device_intr_done(reqh) 1946 usbd_request_handle reqh; 1947 { 1948 uhci_intr_info_t *ii = reqh->hcpriv; 1949 uhci_softc_t *sc = ii->sc; 1950 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1951 usb_dma_t *dma; 1952 uhci_soft_qh_t *sqh; 1953 int i, npoll; 1954 1955 DPRINTFN(5, ("uhci_intr_done: length=%d\n", reqh->actlen)); 1956 1957 dma = &upipe->u.intr.datadma; 1958 memcpy(reqh->buffer, KERNADDR(dma), reqh->actlen); 1959 npoll = upipe->u.intr.npoll; 1960 for(i = 0; i < npoll; i++) { 1961 sqh = upipe->u.intr.qhs[i]; 1962 sqh->elink = 0; 1963 sqh->qh.qh_elink = LE(UHCI_PTR_T); 1964 } 1965 uhci_free_std_chain(sc, ii->stdstart, 0); 1966 1967 /* XXX Wasteful. */ 1968 if (reqh->pipe->repeat) { 1969 uhci_soft_td_t *xfer, *xferend; 1970 1971 /* This alloc cannot fail since we freed the chain above. */ 1972 uhci_alloc_std_chain(upipe, sc, reqh->length, 1, 1973 reqh->flags & USBD_SHORT_XFER_OK, 1974 dma, &xfer, &xferend); 1975 xferend->td.td_status |= LE(UHCI_TD_IOC); 1976 1977 #ifdef USB_DEBUG 1978 if (uhcidebug > 10) { 1979 printf("uhci_device_intr_done: xfer(1)\n"); 1980 uhci_dump_tds(xfer); 1981 uhci_dump_qh(upipe->u.intr.qhs[0]); 1982 } 1983 #endif 1984 1985 ii->stdstart = xfer; 1986 ii->stdend = xferend; 1987 #ifdef DIAGNOSTIC 1988 ii->isdone = 0; 1989 #endif 1990 for (i = 0; i < npoll; i++) { 1991 sqh = upipe->u.intr.qhs[i]; 1992 sqh->elink = xfer; 1993 sqh->qh.qh_elink = LE(xfer->physaddr); 1994 } 1995 } else { 1996 usb_freemem(sc->sc_dmatag, dma); 1997 ii->stdstart = 0; /* mark as inactive */ 1998 } 1999 } 2000 2001 /* Deallocate request data structures */ 2002 void 2003 uhci_device_ctrl_done(reqh) 2004 usbd_request_handle reqh; 2005 { 2006 uhci_intr_info_t *ii = reqh->hcpriv; 2007 uhci_softc_t *sc = ii->sc; 2008 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 2009 u_int len = upipe->u.ctl.length; 2010 usb_dma_t *dma; 2011 2012 #ifdef DIAGNOSTIC 2013 if (!reqh->isreq) 2014 panic("uhci_ctrl_done: not a request\n"); 2015 #endif 2016 2017 LIST_REMOVE(ii, list); /* remove from active list */ 2018 2019 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2020 2021 if (len != 0) { 2022 dma = &upipe->u.ctl.datadma; 2023 if (reqh->request.bmRequestType & UT_READ) 2024 memcpy(reqh->buffer, KERNADDR(dma), len); 2025 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2026 usb_freemem(sc->sc_dmatag, dma); 2027 } 2028 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", reqh->actlen)); 2029 } 2030 2031 /* Deallocate request data structures */ 2032 void 2033 uhci_device_bulk_done(reqh) 2034 usbd_request_handle reqh; 2035 { 2036 uhci_intr_info_t *ii = reqh->hcpriv; 2037 uhci_softc_t *sc = ii->sc; 2038 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 2039 u_int datalen = upipe->u.bulk.length; 2040 usb_dma_t *dma; 2041 2042 LIST_REMOVE(ii, list); /* remove from active list */ 2043 2044 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2045 2046 /* copy the data from dma memory to userland storage */ 2047 dma = &upipe->u.bulk.datadma; 2048 if (upipe->u.bulk.isread) 2049 memcpy(reqh->buffer, KERNADDR(dma), datalen); 2050 uhci_free_std_chain(sc, ii->stdstart, 0); 2051 usb_freemem(sc->sc_dmatag, dma); 2052 2053 DPRINTFN(4, ("uhci_bulk_done: length=%d\n", reqh->actlen)); 2054 } 2055 2056 /* Add interrupt QH, called with vflock. */ 2057 void 2058 uhci_add_intr(sc, n, sqh) 2059 uhci_softc_t *sc; 2060 int n; 2061 uhci_soft_qh_t *sqh; 2062 { 2063 struct uhci_vframe *vf = &sc->sc_vframes[n]; 2064 uhci_soft_qh_t *eqh; 2065 2066 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", n, sqh)); 2067 eqh = vf->eqh; 2068 sqh->hlink = eqh->hlink; 2069 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2070 eqh->hlink = sqh; 2071 eqh->qh.qh_hlink = LE(sqh->physaddr | UHCI_PTR_Q); 2072 vf->eqh = sqh; 2073 vf->bandwidth++; 2074 } 2075 2076 /* Remove interrupt QH, called with vflock. */ 2077 void 2078 uhci_remove_intr(sc, n, sqh) 2079 uhci_softc_t *sc; 2080 int n; 2081 uhci_soft_qh_t *sqh; 2082 { 2083 struct uhci_vframe *vf = &sc->sc_vframes[n]; 2084 uhci_soft_qh_t *pqh; 2085 2086 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", n, sqh)); 2087 2088 for (pqh = vf->hqh; pqh->hlink != sqh; pqh = pqh->hlink) 2089 #if defined(DIAGNOSTIC) || defined(USB_DEBUG) 2090 if (LE(pqh->qh.qh_hlink) & UHCI_PTR_T) { 2091 printf("uhci_remove_intr: QH not found\n"); 2092 return; 2093 } 2094 #else 2095 ; 2096 #endif 2097 pqh->hlink = sqh->hlink; 2098 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2099 if (vf->eqh == sqh) 2100 vf->eqh = pqh; 2101 vf->bandwidth--; 2102 } 2103 2104 usbd_status 2105 uhci_device_setintr(sc, upipe, ival) 2106 uhci_softc_t *sc; 2107 struct uhci_pipe *upipe; 2108 int ival; 2109 { 2110 uhci_soft_qh_t *sqh; 2111 int i, npoll, s; 2112 u_int bestbw, bw, bestoffs, offs; 2113 2114 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2115 if (ival == 0) { 2116 printf("uhci_setintr: 0 interval\n"); 2117 return (USBD_INVAL); 2118 } 2119 2120 if (ival > UHCI_VFRAMELIST_COUNT) 2121 ival = UHCI_VFRAMELIST_COUNT; 2122 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2123 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2124 2125 upipe->u.intr.npoll = npoll; 2126 upipe->u.intr.qhs = 2127 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2128 2129 /* 2130 * Figure out which offset in the schedule that has most 2131 * bandwidth left over. 2132 */ 2133 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2134 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2135 for (bw = i = 0; i < npoll; i++) 2136 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2137 if (bw < bestbw) { 2138 bestbw = bw; 2139 bestoffs = offs; 2140 } 2141 } 2142 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2143 2144 upipe->iinfo->stdstart = 0; 2145 for(i = 0; i < npoll; i++) { 2146 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2147 sqh->elink = 0; 2148 sqh->qh.qh_elink = LE(UHCI_PTR_T); 2149 sqh->pos = MOD(i * ival + bestoffs); 2150 sqh->intr_info = upipe->iinfo; 2151 } 2152 #undef MOD 2153 2154 s = splusb(); 2155 LIST_INSERT_HEAD(&sc->sc_intrhead, upipe->iinfo, list); 2156 splx(s); 2157 2158 uhci_lock_frames(sc); 2159 /* Enter QHs into the controller data structures. */ 2160 for(i = 0; i < npoll; i++) 2161 uhci_add_intr(sc, upipe->u.intr.qhs[i]->pos, 2162 upipe->u.intr.qhs[i]); 2163 uhci_unlock_frames(sc); 2164 2165 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2166 return (USBD_NORMAL_COMPLETION); 2167 } 2168 2169 /* Open a new pipe. */ 2170 usbd_status 2171 uhci_open(pipe) 2172 usbd_pipe_handle pipe; 2173 { 2174 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2175 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2176 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2177 usbd_status r; 2178 2179 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2180 pipe, pipe->device->address, 2181 ed->bEndpointAddress, sc->sc_addr)); 2182 if (pipe->device->address == sc->sc_addr) { 2183 switch (ed->bEndpointAddress) { 2184 case USB_CONTROL_ENDPOINT: 2185 pipe->methods = &uhci_root_ctrl_methods; 2186 break; 2187 case UE_IN | UHCI_INTR_ENDPT: 2188 pipe->methods = &uhci_root_intr_methods; 2189 break; 2190 default: 2191 return (USBD_INVAL); 2192 } 2193 } else { 2194 upipe->iinfo = uhci_alloc_intr_info(sc); 2195 if (upipe->iinfo == 0) 2196 return (USBD_NOMEM); 2197 switch (ed->bmAttributes & UE_XFERTYPE) { 2198 case UE_CONTROL: 2199 pipe->methods = &uhci_device_ctrl_methods; 2200 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2201 if (upipe->u.ctl.sqh == 0) 2202 goto bad; 2203 upipe->u.ctl.setup = uhci_alloc_std(sc); 2204 if (upipe->u.ctl.setup == 0) { 2205 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2206 goto bad; 2207 } 2208 upipe->u.ctl.stat = uhci_alloc_std(sc); 2209 if (upipe->u.ctl.stat == 0) { 2210 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2211 uhci_free_std(sc, upipe->u.ctl.setup); 2212 goto bad; 2213 } 2214 r = usb_allocmem(sc->sc_dmatag, 2215 sizeof(usb_device_request_t), 2216 0, &upipe->u.ctl.reqdma); 2217 if (r != USBD_NORMAL_COMPLETION) { 2218 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2219 uhci_free_std(sc, upipe->u.ctl.setup); 2220 uhci_free_std(sc, upipe->u.ctl.stat); 2221 goto bad; 2222 } 2223 break; 2224 case UE_INTERRUPT: 2225 pipe->methods = &uhci_device_intr_methods; 2226 return (uhci_device_setintr(sc, upipe, ed->bInterval)); 2227 case UE_ISOCHRONOUS: 2228 pipe->methods = &uhci_device_isoc_methods; 2229 upipe->u.iso.nbuf = 0; 2230 return (USBD_NORMAL_COMPLETION); 2231 case UE_BULK: 2232 pipe->methods = &uhci_device_bulk_methods; 2233 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2234 if (upipe->u.bulk.sqh == 0) 2235 goto bad; 2236 break; 2237 } 2238 } 2239 return (USBD_NORMAL_COMPLETION); 2240 2241 bad: 2242 uhci_free_intr_info(upipe->iinfo); 2243 return (USBD_NOMEM); 2244 } 2245 2246 /* 2247 * Data structures and routines to emulate the root hub. 2248 */ 2249 usb_device_descriptor_t uhci_devd = { 2250 USB_DEVICE_DESCRIPTOR_SIZE, 2251 UDESC_DEVICE, /* type */ 2252 {0x00, 0x01}, /* USB version */ 2253 UCLASS_HUB, /* class */ 2254 USUBCLASS_HUB, /* subclass */ 2255 0, /* protocol */ 2256 64, /* max packet */ 2257 {0},{0},{0x00,0x01}, /* device id */ 2258 1,2,0, /* string indicies */ 2259 1 /* # of configurations */ 2260 }; 2261 2262 usb_config_descriptor_t uhci_confd = { 2263 USB_CONFIG_DESCRIPTOR_SIZE, 2264 UDESC_CONFIG, 2265 {USB_CONFIG_DESCRIPTOR_SIZE + 2266 USB_INTERFACE_DESCRIPTOR_SIZE + 2267 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2268 1, 2269 1, 2270 0, 2271 UC_SELF_POWERED, 2272 0 /* max power */ 2273 }; 2274 2275 usb_interface_descriptor_t uhci_ifcd = { 2276 USB_INTERFACE_DESCRIPTOR_SIZE, 2277 UDESC_INTERFACE, 2278 0, 2279 0, 2280 1, 2281 UCLASS_HUB, 2282 USUBCLASS_HUB, 2283 0, 2284 0 2285 }; 2286 2287 usb_endpoint_descriptor_t uhci_endpd = { 2288 USB_ENDPOINT_DESCRIPTOR_SIZE, 2289 UDESC_ENDPOINT, 2290 UE_IN | UHCI_INTR_ENDPT, 2291 UE_INTERRUPT, 2292 {8}, 2293 255 2294 }; 2295 2296 usb_hub_descriptor_t uhci_hubd_piix = { 2297 USB_HUB_DESCRIPTOR_SIZE, 2298 UDESC_HUB, 2299 2, 2300 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2301 50, /* power on to power good */ 2302 0, 2303 { 0x00 }, /* both ports are removable */ 2304 }; 2305 2306 int 2307 uhci_str(p, l, s) 2308 usb_string_descriptor_t *p; 2309 int l; 2310 char *s; 2311 { 2312 int i; 2313 2314 if (l == 0) 2315 return (0); 2316 p->bLength = 2 * strlen(s) + 2; 2317 if (l == 1) 2318 return (1); 2319 p->bDescriptorType = UDESC_STRING; 2320 l -= 2; 2321 for (i = 0; s[i] && l > 1; i++, l -= 2) 2322 USETW2(p->bString[i], 0, s[i]); 2323 return (2*i+2); 2324 } 2325 2326 /* 2327 * Simulate a hardware hub by handling all the necessary requests. 2328 */ 2329 usbd_status 2330 uhci_root_ctrl_transfer(reqh) 2331 usbd_request_handle reqh; 2332 { 2333 int s; 2334 usbd_status r; 2335 2336 s = splusb(); 2337 r = usb_insert_transfer(reqh); 2338 splx(s); 2339 if (r != USBD_NORMAL_COMPLETION) 2340 return (r); 2341 else 2342 return (uhci_root_ctrl_start(reqh)); 2343 } 2344 2345 usbd_status 2346 uhci_root_ctrl_start(reqh) 2347 usbd_request_handle reqh; 2348 { 2349 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 2350 usb_device_request_t *req; 2351 void *buf; 2352 int port, x; 2353 int len, value, index, status, change, l, totlen = 0; 2354 usb_port_status_t ps; 2355 usbd_status r; 2356 2357 if (!reqh->isreq) 2358 panic("uhci_root_ctrl_transfer: not a request\n"); 2359 req = &reqh->request; 2360 buf = reqh->buffer; 2361 2362 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2363 req->bmRequestType, req->bRequest)); 2364 2365 len = UGETW(req->wLength); 2366 value = UGETW(req->wValue); 2367 index = UGETW(req->wIndex); 2368 #define C(x,y) ((x) | ((y) << 8)) 2369 switch(C(req->bRequest, req->bmRequestType)) { 2370 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2371 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2372 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2373 /* 2374 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2375 * for the integrated root hub. 2376 */ 2377 break; 2378 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2379 if (len > 0) { 2380 *(u_int8_t *)buf = sc->sc_conf; 2381 totlen = 1; 2382 } 2383 break; 2384 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2385 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2386 switch(value >> 8) { 2387 case UDESC_DEVICE: 2388 if ((value & 0xff) != 0) { 2389 r = USBD_IOERROR; 2390 goto ret; 2391 } 2392 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2393 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2394 memcpy(buf, &uhci_devd, l); 2395 break; 2396 case UDESC_CONFIG: 2397 if ((value & 0xff) != 0) { 2398 r = USBD_IOERROR; 2399 goto ret; 2400 } 2401 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2402 memcpy(buf, &uhci_confd, l); 2403 buf = (char *)buf + l; 2404 len -= l; 2405 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2406 totlen += l; 2407 memcpy(buf, &uhci_ifcd, l); 2408 buf = (char *)buf + l; 2409 len -= l; 2410 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2411 totlen += l; 2412 memcpy(buf, &uhci_endpd, l); 2413 break; 2414 case UDESC_STRING: 2415 if (len == 0) 2416 break; 2417 *(u_int8_t *)buf = 0; 2418 totlen = 1; 2419 switch (value & 0xff) { 2420 case 1: /* Vendor */ 2421 totlen = uhci_str(buf, len, sc->sc_vendor); 2422 break; 2423 case 2: /* Product */ 2424 totlen = uhci_str(buf, len, "UHCI root hub"); 2425 break; 2426 } 2427 break; 2428 default: 2429 r = USBD_IOERROR; 2430 goto ret; 2431 } 2432 break; 2433 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2434 if (len > 0) { 2435 *(u_int8_t *)buf = 0; 2436 totlen = 1; 2437 } 2438 break; 2439 case C(UR_GET_STATUS, UT_READ_DEVICE): 2440 if (len > 1) { 2441 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2442 totlen = 2; 2443 } 2444 break; 2445 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2446 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2447 if (len > 1) { 2448 USETW(((usb_status_t *)buf)->wStatus, 0); 2449 totlen = 2; 2450 } 2451 break; 2452 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2453 if (value >= USB_MAX_DEVICES) { 2454 r = USBD_IOERROR; 2455 goto ret; 2456 } 2457 sc->sc_addr = value; 2458 break; 2459 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2460 if (value != 0 && value != 1) { 2461 r = USBD_IOERROR; 2462 goto ret; 2463 } 2464 sc->sc_conf = value; 2465 break; 2466 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2467 break; 2468 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2469 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2470 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2471 r = USBD_IOERROR; 2472 goto ret; 2473 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2474 break; 2475 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2476 break; 2477 /* Hub requests */ 2478 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2479 break; 2480 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2481 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2482 "port=%d feature=%d\n", 2483 index, value)); 2484 if (index == 1) 2485 port = UHCI_PORTSC1; 2486 else if (index == 2) 2487 port = UHCI_PORTSC2; 2488 else { 2489 r = USBD_IOERROR; 2490 goto ret; 2491 } 2492 switch(value) { 2493 case UHF_PORT_ENABLE: 2494 x = UREAD2(sc, port); 2495 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2496 break; 2497 case UHF_PORT_SUSPEND: 2498 x = UREAD2(sc, port); 2499 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2500 break; 2501 case UHF_PORT_RESET: 2502 x = UREAD2(sc, port); 2503 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2504 break; 2505 case UHF_C_PORT_CONNECTION: 2506 x = UREAD2(sc, port); 2507 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2508 break; 2509 case UHF_C_PORT_ENABLE: 2510 x = UREAD2(sc, port); 2511 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2512 break; 2513 case UHF_C_PORT_OVER_CURRENT: 2514 x = UREAD2(sc, port); 2515 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2516 break; 2517 case UHF_C_PORT_RESET: 2518 sc->sc_isreset = 0; 2519 r = USBD_NORMAL_COMPLETION; 2520 goto ret; 2521 case UHF_PORT_CONNECTION: 2522 case UHF_PORT_OVER_CURRENT: 2523 case UHF_PORT_POWER: 2524 case UHF_PORT_LOW_SPEED: 2525 case UHF_C_PORT_SUSPEND: 2526 default: 2527 r = USBD_IOERROR; 2528 goto ret; 2529 } 2530 break; 2531 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 2532 if (index == 1) 2533 port = UHCI_PORTSC1; 2534 else if (index == 2) 2535 port = UHCI_PORTSC2; 2536 else { 2537 r = USBD_IOERROR; 2538 goto ret; 2539 } 2540 if (len > 0) { 2541 *(u_int8_t *)buf = 2542 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 2543 UHCI_PORTSC_LS_SHIFT; 2544 totlen = 1; 2545 } 2546 break; 2547 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2548 if (value != 0) { 2549 r = USBD_IOERROR; 2550 goto ret; 2551 } 2552 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 2553 totlen = l; 2554 memcpy(buf, &uhci_hubd_piix, l); 2555 break; 2556 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2557 if (len != 4) { 2558 r = USBD_IOERROR; 2559 goto ret; 2560 } 2561 memset(buf, 0, len); 2562 totlen = len; 2563 break; 2564 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2565 if (index == 1) 2566 port = UHCI_PORTSC1; 2567 else if (index == 2) 2568 port = UHCI_PORTSC2; 2569 else { 2570 r = USBD_IOERROR; 2571 goto ret; 2572 } 2573 if (len != 4) { 2574 r = USBD_IOERROR; 2575 goto ret; 2576 } 2577 x = UREAD2(sc, port); 2578 status = change = 0; 2579 if (x & UHCI_PORTSC_CCS ) 2580 status |= UPS_CURRENT_CONNECT_STATUS; 2581 if (x & UHCI_PORTSC_CSC ) 2582 change |= UPS_C_CONNECT_STATUS; 2583 if (x & UHCI_PORTSC_PE ) 2584 status |= UPS_PORT_ENABLED; 2585 if (x & UHCI_PORTSC_POEDC) 2586 change |= UPS_C_PORT_ENABLED; 2587 if (x & UHCI_PORTSC_OCI ) 2588 status |= UPS_OVERCURRENT_INDICATOR; 2589 if (x & UHCI_PORTSC_OCIC ) 2590 change |= UPS_C_OVERCURRENT_INDICATOR; 2591 if (x & UHCI_PORTSC_SUSP ) 2592 status |= UPS_SUSPEND; 2593 if (x & UHCI_PORTSC_LSDA ) 2594 status |= UPS_LOW_SPEED; 2595 status |= UPS_PORT_POWER; 2596 if (sc->sc_isreset) 2597 change |= UPS_C_PORT_RESET; 2598 USETW(ps.wPortStatus, status); 2599 USETW(ps.wPortChange, change); 2600 l = min(len, sizeof ps); 2601 memcpy(buf, &ps, l); 2602 totlen = l; 2603 break; 2604 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 2605 r = USBD_IOERROR; 2606 goto ret; 2607 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 2608 break; 2609 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 2610 if (index == 1) 2611 port = UHCI_PORTSC1; 2612 else if (index == 2) 2613 port = UHCI_PORTSC2; 2614 else { 2615 r = USBD_IOERROR; 2616 goto ret; 2617 } 2618 switch(value) { 2619 case UHF_PORT_ENABLE: 2620 x = UREAD2(sc, port); 2621 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2622 break; 2623 case UHF_PORT_SUSPEND: 2624 x = UREAD2(sc, port); 2625 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 2626 break; 2627 case UHF_PORT_RESET: 2628 x = UREAD2(sc, port); 2629 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 2630 usb_delay_ms(&sc->sc_bus, 10); 2631 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2632 delay(100); 2633 x = UREAD2(sc, port); 2634 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2635 delay(100); 2636 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 2637 index, UREAD2(sc, port))); 2638 sc->sc_isreset = 1; 2639 break; 2640 case UHF_C_PORT_CONNECTION: 2641 case UHF_C_PORT_ENABLE: 2642 case UHF_C_PORT_OVER_CURRENT: 2643 case UHF_PORT_CONNECTION: 2644 case UHF_PORT_OVER_CURRENT: 2645 case UHF_PORT_POWER: 2646 case UHF_PORT_LOW_SPEED: 2647 case UHF_C_PORT_SUSPEND: 2648 case UHF_C_PORT_RESET: 2649 default: 2650 r = USBD_IOERROR; 2651 goto ret; 2652 } 2653 break; 2654 default: 2655 r = USBD_IOERROR; 2656 goto ret; 2657 } 2658 reqh->actlen = totlen; 2659 r = USBD_NORMAL_COMPLETION; 2660 ret: 2661 reqh->status = r; 2662 reqh->hcpriv = 0; 2663 usb_transfer_complete(reqh); 2664 return (USBD_IN_PROGRESS); 2665 } 2666 2667 /* Abort a root control request. */ 2668 void 2669 uhci_root_ctrl_abort(reqh) 2670 usbd_request_handle reqh; 2671 { 2672 /* Nothing to do, all transfers are syncronous. */ 2673 } 2674 2675 /* Close the root pipe. */ 2676 void 2677 uhci_root_ctrl_close(pipe) 2678 usbd_pipe_handle pipe; 2679 { 2680 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2681 2682 sc->sc_has_timo = 0; 2683 DPRINTF(("uhci_root_ctrl_close\n")); 2684 } 2685 2686 /* Abort a root interrupt request. */ 2687 void 2688 uhci_root_intr_abort(reqh) 2689 usbd_request_handle reqh; 2690 { 2691 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 2692 2693 usb_untimeout(uhci_timo, reqh, reqh->timo_handle); 2694 sc->sc_has_timo = 0; 2695 } 2696 2697 usbd_status 2698 uhci_root_intr_transfer(reqh) 2699 usbd_request_handle reqh; 2700 { 2701 int s; 2702 usbd_status r; 2703 2704 s = splusb(); 2705 r = usb_insert_transfer(reqh); 2706 splx(s); 2707 if (r != USBD_NORMAL_COMPLETION) 2708 return (r); 2709 else 2710 return (uhci_root_intr_start(reqh)); 2711 } 2712 2713 /* Start a transfer on the root interrupt pipe */ 2714 usbd_status 2715 uhci_root_intr_start(reqh) 2716 usbd_request_handle reqh; 2717 { 2718 usbd_pipe_handle pipe = reqh->pipe; 2719 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2720 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2721 usb_dma_t *dmap; 2722 usbd_status r; 2723 int len; 2724 2725 DPRINTFN(3, ("uhci_root_intr_transfer: reqh=%p buf=%p len=%d " 2726 "flags=%d\n", 2727 reqh, reqh->buffer, reqh->length, reqh->flags)); 2728 2729 len = reqh->length; 2730 dmap = &upipe->u.intr.datadma; 2731 if (len == 0) 2732 return (USBD_INVAL); /* XXX should it be? */ 2733 2734 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 2735 if (r != USBD_NORMAL_COMPLETION) 2736 return (r); 2737 2738 sc->sc_ival = MS_TO_TICKS(reqh->pipe->endpoint->edesc->bInterval); 2739 usb_timeout(uhci_timo, reqh, sc->sc_ival, reqh->timo_handle); 2740 sc->sc_has_timo = reqh; 2741 return (USBD_IN_PROGRESS); 2742 } 2743 2744 /* Close the root interrupt pipe. */ 2745 void 2746 uhci_root_intr_close(pipe) 2747 usbd_pipe_handle pipe; 2748 { 2749 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2750 2751 usb_untimeout(uhci_timo, pipe->intrreqh, pipe->intrreqh->timo_handle); 2752 sc->sc_has_timo = 0; 2753 DPRINTF(("uhci_root_intr_close\n")); 2754 } 2755 2756
Indexes created Tue Sep 30 20:09:53 GMT 2025