uhci.c revision 1.45
1 /* $NetBSD: uhci.c,v 1.45 1999/09/04 22:26:12 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", 782 USBDEVNAME(sc->sc_bus.bdev)); 783 } 784 if (status & UHCI_STS_HSE) { 785 ack |= UHCI_STS_HSE; 786 printf("%s: host controller process error\n", 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", USBDEVNAME(sc->sc_bus.bdev)); 795 } 796 797 if (ack) /* acknowledge the ints */ 798 UWRITE2(sc, UHCI_STS, ack); 799 else /* nothing to acknowledge */ 800 return (0); 801 802 /* 803 * Interrupts on UHCI really suck. When the host controller 804 * interrupts because a transfer is completed there is no 805 * way of knowing which transfer it was. You can scan down 806 * the TDs and QHs of the previous frame to limit the search, 807 * but that assumes that the interrupt was not delayed by more 808 * than 1 ms, which may not always be true (e.g. after debug 809 * output on a slow console). 810 * We scan all interrupt descriptors to see if any have 811 * completed. 812 */ 813 for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) 814 uhci_check_intr(sc, ii); 815 816 DPRINTFN(10, ("uhci_intr: exit\n")); 817 818 return (1); 819 } 820 821 /* Check for an interrupt. */ 822 void 823 uhci_check_intr(sc, ii) 824 uhci_softc_t *sc; 825 uhci_intr_info_t *ii; 826 { 827 uhci_soft_td_t *std, *lstd; 828 u_int32_t status; 829 830 DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); 831 #ifdef DIAGNOSTIC 832 if (!ii) { 833 printf("uhci_check_intr: no ii? %p\n", ii); 834 return; 835 } 836 #endif 837 if (!ii->stdstart) 838 return; 839 lstd = ii->stdend; 840 #ifdef DIAGNOSTIC 841 if (!lstd) { 842 printf("uhci_check_intr: std==0\n"); 843 return; 844 } 845 #endif 846 /* 847 * If the last TD is still active we need to check whether there 848 * is a an error somewhere in the middle, or whether there was a 849 * short packet (SPD and not ACTIVE). 850 */ 851 if (LE(lstd->td.td_status) & UHCI_TD_ACTIVE) { 852 DPRINTFN(15, ("uhci_check_intr: active ii=%p\n", ii)); 853 for (std = ii->stdstart; std != lstd; std = std->link.std){ 854 status = LE(std->td.td_status); 855 if ((status & UHCI_TD_STALLED) || 856 (status & (UHCI_TD_SPD | UHCI_TD_ACTIVE)) == 857 UHCI_TD_SPD) 858 goto done; 859 } 860 DPRINTFN(15, ("uhci_check_intr: ii=%p std=%p still active\n", 861 ii, ii->stdstart)); 862 return; 863 } 864 done: 865 usb_untimeout(uhci_timeout, ii, ii->timeout_handle); 866 uhci_idone(ii); 867 } 868 869 void 870 uhci_idone(ii) 871 uhci_intr_info_t *ii; 872 { 873 usbd_request_handle reqh = ii->reqh; 874 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 875 uhci_soft_td_t *std; 876 u_int32_t status; 877 int actlen; 878 879 #ifdef USB_DEBUG 880 DPRINTFN(10, ("uhci_idone: ii=%p ready\n", ii)); 881 if (uhcidebug > 10) 882 uhci_dump_tds(ii->stdstart); 883 #endif 884 885 if (reqh->status == USBD_CANCELLED || 886 reqh->status == USBD_TIMEOUT) { 887 DPRINTF(("uhci_idone: aborted reqh=%p\n", reqh)); 888 return; 889 } 890 891 #ifdef DIAGNOSTIC 892 { 893 int s = splhigh(); 894 if (ii->isdone) { 895 splx(s); 896 printf("uhci_idone: ii=%p is done!\n", ii); 897 return; 898 } 899 ii->isdone = 1; 900 splx(s); 901 } 902 #endif 903 904 /* The transfer is done, compute actual length and status. */ 905 /* XXX Is this correct for control xfers? */ 906 actlen = 0; 907 for (std = ii->stdstart; std; std = std->link.std) { 908 status = LE(std->td.td_status); 909 if (status & UHCI_TD_ACTIVE) 910 break; 911 if (UHCI_TD_GET_PID(LE(std->td.td_token)) != 912 UHCI_TD_PID_SETUP) 913 actlen += UHCI_TD_GET_ACTLEN(status); 914 } 915 /* If there are left over TDs we need to update the toggle. */ 916 if (std) 917 upipe->nexttoggle = UHCI_TD_GET_DT(LE(std->td.td_token)); 918 919 status &= UHCI_TD_ERROR; 920 DPRINTFN(10, ("uhci_check_intr: actlen=%d, status=0x%x\n", 921 actlen, status)); 922 reqh->actlen = actlen; 923 if (status != 0) { 924 DPRINTFN(-1+((status&UHCI_TD_STALLED)!=0), 925 ("uhci_idone: error, addr=%d, endpt=0x%02x, " 926 "status 0x%b\n", 927 reqh->pipe->device->address, 928 reqh->pipe->endpoint->edesc->bEndpointAddress, 929 (int)status, 930 "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" 931 "STALLED\30ACTIVE")); 932 if (status == UHCI_TD_STALLED) 933 reqh->status = USBD_STALLED; 934 else 935 reqh->status = USBD_IOERROR; /* more info XXX */ 936 } else { 937 reqh->status = USBD_NORMAL_COMPLETION; 938 } 939 reqh->hcpriv = ii; 940 usb_transfer_complete(reqh); 941 } 942 943 /* 944 * Called when a request does not complete. 945 */ 946 void 947 uhci_timeout(addr) 948 void *addr; 949 { 950 uhci_intr_info_t *ii = addr; 951 952 DPRINTF(("uhci_timeout: ii=%p\n", ii)); 953 uhci_abort_req(ii->reqh, USBD_TIMEOUT); 954 } 955 956 /* 957 * Wait here until controller claims to have an interrupt. 958 * Then call uhci_intr and return. Use timeout to avoid waiting 959 * too long. 960 * Only used during boot when interrupts are not enabled yet. 961 */ 962 void 963 uhci_waitintr(sc, reqh) 964 uhci_softc_t *sc; 965 usbd_request_handle reqh; 966 { 967 int timo = reqh->timeout; 968 uhci_intr_info_t *ii; 969 970 DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); 971 972 reqh->status = USBD_IN_PROGRESS; 973 for (; timo >= 0; timo--) { 974 usb_delay_ms(&sc->sc_bus, 1); 975 DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); 976 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) { 977 uhci_intr(sc); 978 if (reqh->status != USBD_IN_PROGRESS) 979 return; 980 } 981 } 982 983 /* Timeout */ 984 DPRINTF(("uhci_waitintr: timeout\n")); 985 for (ii = LIST_FIRST(&sc->sc_intrhead); 986 ii && ii->reqh != reqh; 987 ii = LIST_NEXT(ii, list)) 988 ; 989 #ifdef DIAGNOSTIC 990 if (!ii) 991 panic("uhci_waitintr: lost intr_info\n"); 992 #endif 993 uhci_idone(ii); 994 } 995 996 void 997 uhci_poll(bus) 998 struct usbd_bus *bus; 999 { 1000 uhci_softc_t *sc = (uhci_softc_t *)bus; 1001 1002 if (UREAD2(sc, UHCI_STS) & UHCI_STS_USBINT) 1003 uhci_intr(sc); 1004 } 1005 1006 #if 0 1007 void 1008 uhci_reset(p) 1009 void *p; 1010 { 1011 uhci_softc_t *sc = p; 1012 int n; 1013 1014 UHCICMD(sc, UHCI_CMD_HCRESET); 1015 /* The reset bit goes low when the controller is done. */ 1016 for (n = 0; n < UHCI_RESET_TIMEOUT && 1017 (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) 1018 delay(100); 1019 if (n >= UHCI_RESET_TIMEOUT) 1020 printf("%s: controller did not reset\n", 1021 USBDEVNAME(sc->sc_bus.bdev)); 1022 } 1023 #endif 1024 1025 usbd_status 1026 uhci_run(sc, run) 1027 uhci_softc_t *sc; 1028 int run; 1029 { 1030 int s, n, running; 1031 1032 run = run != 0; 1033 s = splusb(); 1034 DPRINTF(("uhci_run: setting run=%d\n", run)); 1035 UHCICMD(sc, run ? UHCI_CMD_RS : 0); 1036 for(n = 0; n < 10; n++) { 1037 running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); 1038 /* return when we've entered the state we want */ 1039 if (run == running) { 1040 splx(s); 1041 DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", 1042 UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); 1043 return (USBD_NORMAL_COMPLETION); 1044 } 1045 usb_delay_ms(&sc->sc_bus, 1); 1046 } 1047 splx(s); 1048 printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), 1049 run ? "start" : "stop"); 1050 return (USBD_IOERROR); 1051 } 1052 1053 /* 1054 * Memory management routines. 1055 * uhci_alloc_std allocates TDs 1056 * uhci_alloc_sqh allocates QHs 1057 * These two routines do their own free list management, 1058 * partly for speed, partly because allocating DMAable memory 1059 * has page size granularaity so much memory would be wasted if 1060 * only one TD/QH (32 bytes) was placed in each allocated chunk. 1061 */ 1062 1063 uhci_soft_td_t * 1064 uhci_alloc_std(sc) 1065 uhci_softc_t *sc; 1066 { 1067 uhci_soft_td_t *std; 1068 usbd_status r; 1069 int i, offs; 1070 usb_dma_t dma; 1071 1072 if (!sc->sc_freetds) { 1073 DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); 1074 r = usb_allocmem(sc->sc_dmatag, UHCI_STD_SIZE * UHCI_STD_CHUNK, 1075 UHCI_TD_ALIGN, &dma); 1076 if (r != USBD_NORMAL_COMPLETION) 1077 return (0); 1078 for(i = 0; i < UHCI_STD_CHUNK; i++) { 1079 offs = i * UHCI_STD_SIZE; 1080 std = (uhci_soft_td_t *)((char *)KERNADDR(&dma) +offs); 1081 std->physaddr = DMAADDR(&dma) + offs; 1082 std->link.std = sc->sc_freetds; 1083 sc->sc_freetds = std; 1084 } 1085 } 1086 std = sc->sc_freetds; 1087 sc->sc_freetds = std->link.std; 1088 memset(&std->td, 0, sizeof(uhci_td_t)); 1089 return std; 1090 } 1091 1092 void 1093 uhci_free_std(sc, std) 1094 uhci_softc_t *sc; 1095 uhci_soft_td_t *std; 1096 { 1097 #ifdef DIAGNOSTIC 1098 #define TD_IS_FREE 0x12345678 1099 if (LE(std->td.td_token) == TD_IS_FREE) { 1100 printf("uhci_free_std: freeing free TD %p\n", std); 1101 return; 1102 } 1103 std->td.td_token = LE(TD_IS_FREE); 1104 #endif 1105 std->link.std = sc->sc_freetds; 1106 sc->sc_freetds = std; 1107 } 1108 1109 uhci_soft_qh_t * 1110 uhci_alloc_sqh(sc) 1111 uhci_softc_t *sc; 1112 { 1113 uhci_soft_qh_t *sqh; 1114 usbd_status r; 1115 int i, offs; 1116 usb_dma_t dma; 1117 1118 if (!sc->sc_freeqhs) { 1119 DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); 1120 r = usb_allocmem(sc->sc_dmatag, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, 1121 UHCI_QH_ALIGN, &dma); 1122 if (r != USBD_NORMAL_COMPLETION) 1123 return 0; 1124 for(i = 0; i < UHCI_SQH_CHUNK; i++) { 1125 offs = i * UHCI_SQH_SIZE; 1126 sqh = (uhci_soft_qh_t *)((char *)KERNADDR(&dma) +offs); 1127 sqh->physaddr = DMAADDR(&dma) + offs; 1128 sqh->hlink = sc->sc_freeqhs; 1129 sc->sc_freeqhs = sqh; 1130 } 1131 } 1132 sqh = sc->sc_freeqhs; 1133 sc->sc_freeqhs = sqh->hlink; 1134 memset(&sqh->qh, 0, sizeof(uhci_qh_t)); 1135 return (sqh); 1136 } 1137 1138 void 1139 uhci_free_sqh(sc, sqh) 1140 uhci_softc_t *sc; 1141 uhci_soft_qh_t *sqh; 1142 { 1143 sqh->hlink = sc->sc_freeqhs; 1144 sc->sc_freeqhs = sqh; 1145 } 1146 1147 #if 0 1148 /* 1149 * Enter a list of transfers onto a control queue. 1150 * Called at splusb() 1151 */ 1152 void 1153 uhci_enter_ctl_q(sc, sqh, ii) 1154 uhci_softc_t *sc; 1155 uhci_soft_qh_t *sqh; 1156 uhci_intr_info_t *ii; 1157 { 1158 DPRINTFN(5, ("uhci_enter_ctl_q: sqh=%p\n", sqh)); 1159 1160 } 1161 #endif 1162 1163 void 1164 uhci_free_std_chain(sc, std, stdend) 1165 uhci_softc_t *sc; 1166 uhci_soft_td_t *std; 1167 uhci_soft_td_t *stdend; 1168 { 1169 uhci_soft_td_t *p; 1170 1171 for (; std != stdend; std = p) { 1172 p = std->link.std; 1173 uhci_free_std(sc, std); 1174 } 1175 } 1176 1177 usbd_status 1178 uhci_alloc_std_chain(upipe, sc, len, rd, shortok, dma, sp, ep) 1179 struct uhci_pipe *upipe; 1180 uhci_softc_t *sc; 1181 int len, rd, shortok; 1182 usb_dma_t *dma; 1183 uhci_soft_td_t **sp, **ep; 1184 { 1185 uhci_soft_td_t *p, *lastp; 1186 uhci_physaddr_t lastlink; 1187 int i, ntd, l, tog, maxp; 1188 u_int32_t status; 1189 int addr = upipe->pipe.device->address; 1190 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1191 1192 DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d ls=%d " 1193 "shortok=%d\n", addr, UE_GET_ADDR(endpt), len, 1194 upipe->pipe.device->lowspeed, shortok)); 1195 if (len == 0) { 1196 *sp = *ep = 0; 1197 DPRINTFN(-1,("uhci_alloc_std_chain: len=0\n")); 1198 return (USBD_NORMAL_COMPLETION); 1199 } 1200 maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); 1201 if (maxp == 0) { 1202 printf("uhci_alloc_std_chain: maxp=0\n"); 1203 return (USBD_INVAL); 1204 } 1205 ntd = (len + maxp - 1) / maxp; 1206 DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); 1207 tog = upipe->nexttoggle; 1208 if (ntd % 2 == 0) 1209 tog ^= 1; 1210 upipe->nexttoggle = tog ^ 1; 1211 lastp = 0; 1212 lastlink = UHCI_PTR_T; 1213 ntd--; 1214 status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); 1215 if (upipe->pipe.device->lowspeed) 1216 status |= UHCI_TD_LS; 1217 if (shortok) 1218 status |= UHCI_TD_SPD; 1219 for (i = ntd; i >= 0; i--) { 1220 p = uhci_alloc_std(sc); 1221 if (!p) { 1222 uhci_free_std_chain(sc, lastp, 0); 1223 return (USBD_NOMEM); 1224 } 1225 p->link.std = lastp; 1226 p->td.td_link = LE(lastlink); 1227 lastp = p; 1228 lastlink = p->physaddr; 1229 p->td.td_status = LE(status); 1230 if (i == ntd) { 1231 /* last TD */ 1232 l = len % maxp; 1233 if (l == 0) l = maxp; 1234 *ep = p; 1235 } else 1236 l = maxp; 1237 p->td.td_token = 1238 LE(rd ? UHCI_TD_IN (l, endpt, addr, tog) : 1239 UHCI_TD_OUT(l, endpt, addr, tog)); 1240 p->td.td_buffer = LE(DMAADDR(dma) + i * maxp); 1241 tog ^= 1; 1242 } 1243 *sp = lastp; 1244 DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", 1245 upipe->nexttoggle)); 1246 return (USBD_NORMAL_COMPLETION); 1247 } 1248 1249 void 1250 uhci_device_clear_toggle(pipe) 1251 usbd_pipe_handle pipe; 1252 { 1253 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1254 upipe->nexttoggle = 0; 1255 } 1256 1257 void 1258 uhci_noop(pipe) 1259 usbd_pipe_handle pipe; 1260 { 1261 } 1262 1263 usbd_status 1264 uhci_device_bulk_transfer(reqh) 1265 usbd_request_handle reqh; 1266 { 1267 int s; 1268 usbd_status r; 1269 1270 s = splusb(); 1271 r = usb_insert_transfer(reqh); 1272 splx(s); 1273 if (r != USBD_NORMAL_COMPLETION) 1274 return (r); 1275 else 1276 return (uhci_device_bulk_start(reqh)); 1277 } 1278 1279 usbd_status 1280 uhci_device_bulk_start(reqh) 1281 usbd_request_handle reqh; 1282 { 1283 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1284 usbd_device_handle dev = upipe->pipe.device; 1285 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1286 uhci_intr_info_t *ii = upipe->iinfo; 1287 uhci_soft_td_t *xfer, *xferend; 1288 uhci_soft_qh_t *sqh; 1289 usb_dma_t *dmap; 1290 usbd_status r; 1291 int len, isread, endpt; 1292 int s; 1293 1294 DPRINTFN(3, ("uhci_device_bulk_transfer: reqh=%p buf=%p len=%d " 1295 "flags=%d\n", 1296 reqh, reqh->buffer, reqh->length, reqh->flags)); 1297 1298 if (reqh->isreq) 1299 panic("uhci_device_bulk_transfer: a request\n"); 1300 1301 len = reqh->length; 1302 dmap = &upipe->u.bulk.datadma; 1303 endpt = reqh->pipe->endpoint->edesc->bEndpointAddress; 1304 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1305 sqh = upipe->u.bulk.sqh; 1306 1307 upipe->u.bulk.isread = isread; 1308 upipe->u.bulk.length = len; 1309 1310 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1311 if (r != USBD_NORMAL_COMPLETION) 1312 goto ret1; 1313 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1314 reqh->flags & USBD_SHORT_XFER_OK, 1315 dmap, &xfer, &xferend); 1316 if (r != USBD_NORMAL_COMPLETION) 1317 goto ret2; 1318 xferend->td.td_status |= LE(UHCI_TD_IOC); 1319 1320 if (!isread && len != 0) 1321 memcpy(KERNADDR(dmap), reqh->buffer, len); 1322 1323 #ifdef USB_DEBUG 1324 if (uhcidebug > 8) { 1325 printf("uhci_device_bulk_transfer: xfer(1)\n"); 1326 uhci_dump_tds(xfer); 1327 } 1328 #endif 1329 1330 /* Set up interrupt info. */ 1331 ii->reqh = reqh; 1332 ii->stdstart = xfer; 1333 ii->stdend = xferend; 1334 #ifdef DIAGNOSTIC 1335 ii->isdone = 0; 1336 #endif 1337 1338 sqh->elink = xfer; 1339 sqh->qh.qh_elink = LE(xfer->physaddr); 1340 sqh->intr_info = ii; 1341 1342 s = splusb(); 1343 uhci_add_bulk(sc, sqh); 1344 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1345 1346 if (reqh->timeout && !sc->sc_bus.use_polling) { 1347 usb_timeout(uhci_timeout, ii, 1348 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1349 } 1350 splx(s); 1351 1352 #ifdef USB_DEBUG 1353 if (uhcidebug > 10) { 1354 printf("uhci_device_bulk_transfer: xfer(2)\n"); 1355 uhci_dump_tds(xfer); 1356 } 1357 #endif 1358 1359 if (sc->sc_bus.use_polling) 1360 uhci_waitintr(sc, reqh); 1361 1362 return (USBD_IN_PROGRESS); 1363 1364 ret2: 1365 if (len != 0) 1366 usb_freemem(sc->sc_dmatag, dmap); 1367 ret1: 1368 return (r); 1369 } 1370 1371 /* Abort a device bulk request. */ 1372 void 1373 uhci_device_bulk_abort(reqh) 1374 usbd_request_handle reqh; 1375 { 1376 DPRINTF(("uhci_device_bulk_abort:\n")); 1377 uhci_abort_req(reqh, USBD_CANCELLED); 1378 } 1379 1380 void 1381 uhci_abort_req(reqh, status) 1382 usbd_request_handle reqh; 1383 usbd_status status; 1384 { 1385 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1386 uhci_intr_info_t *ii = upipe->iinfo; 1387 uhci_soft_td_t *std; 1388 1389 /* Make interrupt routine ignore it, */ 1390 reqh->status = status; 1391 1392 /* don't timeout, */ 1393 usb_untimeout(uhci_timeout, ii, ii->timeout_handle); 1394 1395 /* make hardware ignore it, */ 1396 for (std = ii->stdstart; std != 0; std = std->link.std) 1397 std->td.td_status &= LE(~UHCI_TD_ACTIVE); 1398 1399 reqh->hcpriv = ii; 1400 1401 /* make sure hardware has completed, */ 1402 if (curproc) { 1403 usb_delay_ms(reqh->pipe->device->bus, 1); 1404 /* and call final part of interrupt handler. */ 1405 uhci_abort_req_end(reqh); 1406 } else { 1407 /* We have no process context, so we can't use tsleep(). */ 1408 timeout(uhci_abort_req_end, reqh, hz / USB_FRAMES_PER_SECOND); 1409 } 1410 } 1411 1412 void 1413 uhci_abort_req_end(v) 1414 void *v; 1415 { 1416 usbd_request_handle reqh = v; 1417 int s; 1418 1419 s = splusb(); 1420 usb_transfer_complete(reqh); 1421 splx(s); 1422 } 1423 1424 /* Close a device bulk pipe. */ 1425 void 1426 uhci_device_bulk_close(pipe) 1427 usbd_pipe_handle pipe; 1428 { 1429 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1430 usbd_device_handle dev = upipe->pipe.device; 1431 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1432 1433 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1434 uhci_free_intr_info(upipe->iinfo); 1435 /* XXX free other resources */ 1436 } 1437 1438 usbd_status 1439 uhci_device_ctrl_transfer(reqh) 1440 usbd_request_handle reqh; 1441 { 1442 int s; 1443 usbd_status r; 1444 1445 s = splusb(); 1446 r = usb_insert_transfer(reqh); 1447 splx(s); 1448 if (r != USBD_NORMAL_COMPLETION) 1449 return (r); 1450 else 1451 return (uhci_device_ctrl_start(reqh)); 1452 } 1453 1454 usbd_status 1455 uhci_device_ctrl_start(reqh) 1456 usbd_request_handle reqh; 1457 { 1458 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 1459 usbd_status r; 1460 1461 if (!reqh->isreq) 1462 panic("uhci_device_ctrl_transfer: not a request\n"); 1463 1464 r = uhci_device_request(reqh); 1465 if (r != USBD_NORMAL_COMPLETION) 1466 return (r); 1467 1468 if (sc->sc_bus.use_polling) 1469 uhci_waitintr(sc, reqh); 1470 return (USBD_IN_PROGRESS); 1471 } 1472 1473 usbd_status 1474 uhci_device_intr_transfer(reqh) 1475 usbd_request_handle reqh; 1476 { 1477 int s; 1478 usbd_status r; 1479 1480 s = splusb(); 1481 r = usb_insert_transfer(reqh); 1482 splx(s); 1483 if (r != USBD_NORMAL_COMPLETION) 1484 return (r); 1485 else 1486 return (uhci_device_intr_start(reqh)); 1487 } 1488 1489 usbd_status 1490 uhci_device_intr_start(reqh) 1491 usbd_request_handle reqh; 1492 { 1493 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1494 usbd_device_handle dev = upipe->pipe.device; 1495 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1496 uhci_intr_info_t *ii = upipe->iinfo; 1497 uhci_soft_td_t *xfer, *xferend; 1498 uhci_soft_qh_t *sqh; 1499 usb_dma_t *dmap; 1500 usbd_status r; 1501 int len, i; 1502 int s; 1503 1504 DPRINTFN(3, ("uhci_device_intr_transfer: reqh=%p buf=%p len=%d " 1505 "flags=%d\n", 1506 reqh, reqh->buffer, reqh->length, reqh->flags)); 1507 1508 if (reqh->isreq) 1509 panic("uhci_device_intr_transfer: a request\n"); 1510 1511 len = reqh->length; 1512 dmap = &upipe->u.intr.datadma; 1513 if (len == 0) 1514 return (USBD_INVAL); /* XXX should it be? */ 1515 1516 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1517 if (r != USBD_NORMAL_COMPLETION) 1518 goto ret1; 1519 r = uhci_alloc_std_chain(upipe, sc, len, 1, 1520 reqh->flags & USBD_SHORT_XFER_OK, 1521 dmap, &xfer, &xferend); 1522 if (r != USBD_NORMAL_COMPLETION) 1523 goto ret2; 1524 xferend->td.td_status |= LE(UHCI_TD_IOC); 1525 1526 #ifdef USB_DEBUG 1527 if (uhcidebug > 10) { 1528 printf("uhci_device_intr_transfer: xfer(1)\n"); 1529 uhci_dump_tds(xfer); 1530 uhci_dump_qh(upipe->u.intr.qhs[0]); 1531 } 1532 #endif 1533 1534 s = splusb(); 1535 /* Set up interrupt info. */ 1536 ii->reqh = reqh; 1537 ii->stdstart = xfer; 1538 ii->stdend = xferend; 1539 #ifdef DIAGNOSTIC 1540 ii->isdone = 0; 1541 #endif 1542 1543 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1544 upipe->u.intr.qhs[0])); 1545 for (i = 0; i < upipe->u.intr.npoll; i++) { 1546 sqh = upipe->u.intr.qhs[i]; 1547 sqh->elink = xfer; 1548 sqh->qh.qh_elink = LE(xfer->physaddr); 1549 } 1550 splx(s); 1551 1552 #ifdef USB_DEBUG 1553 if (uhcidebug > 10) { 1554 printf("uhci_device_intr_transfer: xfer(2)\n"); 1555 uhci_dump_tds(xfer); 1556 uhci_dump_qh(upipe->u.intr.qhs[0]); 1557 } 1558 #endif 1559 1560 return (USBD_IN_PROGRESS); 1561 1562 ret2: 1563 if (len != 0) 1564 usb_freemem(sc->sc_dmatag, dmap); 1565 ret1: 1566 return (r); 1567 } 1568 1569 /* Abort a device control request. */ 1570 void 1571 uhci_device_ctrl_abort(reqh) 1572 usbd_request_handle reqh; 1573 { 1574 DPRINTF(("uhci_device_ctrl_abort:\n")); 1575 uhci_abort_req(reqh, USBD_CANCELLED); 1576 } 1577 1578 /* Close a device control pipe. */ 1579 void 1580 uhci_device_ctrl_close(pipe) 1581 usbd_pipe_handle pipe; 1582 { 1583 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1584 1585 uhci_free_intr_info(upipe->iinfo); 1586 /* XXX free other resources */ 1587 } 1588 1589 /* Abort a device interrupt request. */ 1590 void 1591 uhci_device_intr_abort(reqh) 1592 usbd_request_handle reqh; 1593 { 1594 DPRINTFN(1,("uhci_device_intr_abort: reqh=%p\n", reqh)); 1595 if (reqh->pipe->intrreqh == reqh) { 1596 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1597 reqh->pipe->intrreqh = 0; 1598 } 1599 uhci_abort_req(reqh, USBD_CANCELLED); 1600 } 1601 1602 /* Close a device interrupt pipe. */ 1603 void 1604 uhci_device_intr_close(pipe) 1605 usbd_pipe_handle pipe; 1606 { 1607 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1608 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1609 int i, s, npoll; 1610 1611 upipe->iinfo->stdstart = 0; /* inactive */ 1612 1613 /* Unlink descriptors from controller data structures. */ 1614 npoll = upipe->u.intr.npoll; 1615 uhci_lock_frames(sc); 1616 for (i = 0; i < npoll; i++) 1617 uhci_remove_intr(sc, upipe->u.intr.qhs[i]->pos, 1618 upipe->u.intr.qhs[i]); 1619 uhci_unlock_frames(sc); 1620 1621 /* 1622 * We now have to wait for any activity on the physical 1623 * descriptors to stop. 1624 */ 1625 usb_delay_ms(&sc->sc_bus, 2); 1626 1627 for(i = 0; i < npoll; i++) 1628 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1629 free(upipe->u.intr.qhs, M_USBHC); 1630 1631 s = splusb(); 1632 LIST_REMOVE(upipe->iinfo, list); /* remove from active list */ 1633 splx(s); 1634 uhci_free_intr_info(upipe->iinfo); 1635 1636 /* XXX free other resources */ 1637 } 1638 1639 usbd_status 1640 uhci_device_request(reqh) 1641 usbd_request_handle reqh; 1642 { 1643 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1644 usb_device_request_t *req = &reqh->request; 1645 usbd_device_handle dev = upipe->pipe.device; 1646 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1647 int addr = dev->address; 1648 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1649 uhci_intr_info_t *ii = upipe->iinfo; 1650 uhci_soft_td_t *setup, *xfer, *stat, *next, *xferend; 1651 uhci_soft_qh_t *sqh; 1652 usb_dma_t *dmap; 1653 int len; 1654 u_int32_t ls; 1655 usbd_status r; 1656 int isread; 1657 int s; 1658 1659 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1660 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1661 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1662 UGETW(req->wIndex), UGETW(req->wLength), 1663 addr, endpt)); 1664 1665 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1666 isread = req->bmRequestType & UT_READ; 1667 len = UGETW(req->wLength); 1668 1669 setup = upipe->u.ctl.setup; 1670 stat = upipe->u.ctl.stat; 1671 sqh = upipe->u.ctl.sqh; 1672 dmap = &upipe->u.ctl.datadma; 1673 1674 /* Set up data transaction */ 1675 if (len != 0) { 1676 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1677 if (r != USBD_NORMAL_COMPLETION) 1678 goto ret1; 1679 upipe->nexttoggle = 1; 1680 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1681 reqh->flags & USBD_SHORT_XFER_OK, 1682 dmap, &xfer, &xferend); 1683 if (r != USBD_NORMAL_COMPLETION) 1684 goto ret2; 1685 next = xfer; 1686 xferend->link.std = stat; 1687 xferend->td.td_link = LE(stat->physaddr); 1688 } else { 1689 next = stat; 1690 } 1691 upipe->u.ctl.length = len; 1692 1693 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 1694 if (!isread && len != 0) 1695 memcpy(KERNADDR(dmap), reqh->buffer, len); 1696 1697 setup->link.std = next; 1698 setup->td.td_link = LE(next->physaddr); 1699 setup->td.td_status = LE(UHCI_TD_SET_ERRCNT(3) | ls | UHCI_TD_ACTIVE); 1700 setup->td.td_token = LE(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 1701 setup->td.td_buffer = LE(DMAADDR(&upipe->u.ctl.reqdma)); 1702 1703 stat->link.std = 0; 1704 stat->td.td_link = LE(UHCI_PTR_T); 1705 stat->td.td_status = LE(UHCI_TD_SET_ERRCNT(3) | ls | 1706 UHCI_TD_ACTIVE | UHCI_TD_IOC); 1707 stat->td.td_token = 1708 LE(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 1709 UHCI_TD_IN (0, endpt, addr, 1)); 1710 stat->td.td_buffer = LE(0); 1711 1712 #ifdef USB_DEBUG 1713 if (uhcidebug > 20) { 1714 printf("uhci_device_request: before transfer\n"); 1715 uhci_dump_tds(setup); 1716 } 1717 #endif 1718 1719 /* Set up interrupt info. */ 1720 ii->reqh = reqh; 1721 ii->stdstart = setup; 1722 ii->stdend = stat; 1723 #ifdef DIAGNOSTIC 1724 ii->isdone = 0; 1725 #endif 1726 1727 sqh->elink = setup; 1728 sqh->qh.qh_elink = LE(setup->physaddr); 1729 sqh->intr_info = ii; 1730 1731 s = splusb(); 1732 uhci_add_ctrl(sc, sqh); 1733 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1734 #ifdef USB_DEBUG 1735 if (uhcidebug > 12) { 1736 uhci_soft_td_t *std; 1737 uhci_soft_qh_t *xqh; 1738 uhci_soft_qh_t *sxqh; 1739 int maxqh = 0; 1740 uhci_physaddr_t link; 1741 printf("uhci_enter_ctl_q: follow from [0]\n"); 1742 for (std = sc->sc_vframes[0].htd, link = 0; 1743 (link & UHCI_PTR_Q) == 0; 1744 std = std->link.std) { 1745 link = LE(std->td.td_link); 1746 uhci_dump_td(std); 1747 } 1748 for (sxqh = xqh = (uhci_soft_qh_t *)std; 1749 xqh; 1750 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 1751 xqh->hlink==xqh ? NULL : xqh->hlink)) { 1752 uhci_dump_qh(xqh); 1753 uhci_dump_qh(sxqh); 1754 } 1755 printf("Enqueued QH:\n"); 1756 uhci_dump_qh(sqh); 1757 uhci_dump_tds(sqh->elink); 1758 } 1759 #endif 1760 if (reqh->timeout && !sc->sc_bus.use_polling) { 1761 usb_timeout(uhci_timeout, ii, 1762 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1763 } 1764 splx(s); 1765 1766 return (USBD_NORMAL_COMPLETION); 1767 1768 ret2: 1769 if (len != 0) 1770 usb_freemem(sc->sc_dmatag, dmap); 1771 ret1: 1772 return (r); 1773 } 1774 1775 usbd_status 1776 uhci_device_isoc_transfer(reqh) 1777 usbd_request_handle reqh; 1778 { 1779 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1780 #ifdef USB_DEBUG 1781 usbd_device_handle dev = upipe->pipe.device; 1782 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1783 #endif 1784 1785 DPRINTFN(1,("uhci_device_isoc_transfer: sc=%p\n", sc)); 1786 if (upipe->u.iso.bufsize == 0) 1787 return (USBD_INVAL); 1788 1789 /* XXX copy data */ 1790 return (USBD_XXX); 1791 } 1792 1793 usbd_status 1794 uhci_device_isoc_start(reqh) 1795 usbd_request_handle reqh; 1796 { 1797 return (USBD_XXX); 1798 } 1799 1800 void 1801 uhci_device_isoc_abort(reqh) 1802 usbd_request_handle reqh; 1803 { 1804 /* XXX Can't abort this. */ 1805 } 1806 1807 void 1808 uhci_device_isoc_close(pipe) 1809 usbd_pipe_handle pipe; 1810 { 1811 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1812 usbd_device_handle dev = upipe->pipe.device; 1813 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1814 struct iso *iso; 1815 int i; 1816 1817 /* 1818 * Make sure all TDs are marked as inactive. 1819 * Wait for completion. 1820 * Unschedule. 1821 * Deallocate. 1822 */ 1823 iso = &upipe->u.iso; 1824 1825 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 1826 iso->stds[i]->td.td_status &= LE(~UHCI_TD_ACTIVE); 1827 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 1828 1829 uhci_lock_frames(sc); 1830 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1831 uhci_soft_td_t *std, *vstd; 1832 1833 std = iso->stds[i]; 1834 for (vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1835 vstd && vstd->link.std != std; 1836 vstd = vstd->link.std) 1837 ; 1838 if (!vstd) { 1839 /*panic*/ 1840 printf("uhci_device_isoc_close: %p not found\n", std); 1841 uhci_unlock_frames(sc); 1842 return; 1843 } 1844 vstd->link = std->link; 1845 vstd->td.td_link = std->td.td_link; 1846 uhci_free_std(sc, std); 1847 } 1848 uhci_unlock_frames(sc); 1849 1850 for (i = 0; i < iso->nbuf; i++) 1851 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1852 free(iso->stds, M_USBHC); 1853 free(iso->bufs, M_USBHC); 1854 1855 /* XXX what else? */ 1856 } 1857 1858 usbd_status 1859 uhci_device_isoc_setbuf(pipe, bufsize, nbuf) 1860 usbd_pipe_handle pipe; 1861 u_int bufsize; 1862 u_int nbuf; 1863 { 1864 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1865 usbd_device_handle dev = upipe->pipe.device; 1866 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1867 int addr = upipe->pipe.device->address; 1868 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1869 int rd = UE_GET_DIR(endpt) == UE_DIR_IN; 1870 struct iso *iso; 1871 int i; 1872 usbd_status r; 1873 1874 /* 1875 * For simplicity the number of buffers must fit nicely in the frame 1876 * list. 1877 */ 1878 if (UHCI_VFRAMELIST_COUNT % nbuf != 0) 1879 return (USBD_INVAL); 1880 1881 iso = &upipe->u.iso; 1882 iso->bufsize = bufsize; 1883 iso->nbuf = nbuf; 1884 1885 /* Allocate memory for buffers. */ 1886 iso->bufs = malloc(nbuf * sizeof(usb_dma_t), M_USBHC, M_WAITOK); 1887 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 1888 M_USBHC, M_WAITOK); 1889 1890 for (i = 0; i < nbuf; i++) { 1891 r = usb_allocmem(sc->sc_dmatag, bufsize, 0, &iso->bufs[i]); 1892 if (r != USBD_NORMAL_COMPLETION) { 1893 nbuf = i; 1894 goto bad1; 1895 } 1896 } 1897 1898 /* Allocate the TDs. */ 1899 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1900 iso->stds[i] = uhci_alloc_std(sc); 1901 if (iso->stds[i] == 0) 1902 goto bad2; 1903 } 1904 1905 /* XXX check schedule */ 1906 1907 /* XXX interrupts */ 1908 1909 /* Insert TDs into schedule, all marked inactive. */ 1910 uhci_lock_frames(sc); 1911 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1912 uhci_soft_td_t *std, *vstd; 1913 1914 std = iso->stds[i]; 1915 std->td.td_status = LE(UHCI_TD_IOS); /* iso, inactive */ 1916 std->td.td_token = 1917 LE(rd ? UHCI_TD_IN (0, endpt, addr, 0) : 1918 UHCI_TD_OUT(0, endpt, addr, 0)); 1919 std->td.td_buffer = LE(DMAADDR(&iso->bufs[i % nbuf])); 1920 1921 vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1922 std->link = vstd->link; 1923 std->td.td_link = vstd->td.td_link; 1924 vstd->link.std = std; 1925 vstd->td.td_link = LE(std->physaddr); 1926 } 1927 uhci_unlock_frames(sc); 1928 1929 return (USBD_NORMAL_COMPLETION); 1930 1931 bad2: 1932 while (--i >= 0) 1933 uhci_free_std(sc, iso->stds[i]); 1934 bad1: 1935 for (i = 0; i < nbuf; i++) 1936 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1937 free(iso->stds, M_USBHC); 1938 free(iso->bufs, M_USBHC); 1939 return (USBD_NOMEM); 1940 } 1941 1942 void 1943 uhci_device_isoc_done(reqh) 1944 usbd_request_handle reqh; 1945 { 1946 /*uhci_intr_info_t *ii = v;*/ 1947 } 1948 1949 void 1950 uhci_device_intr_done(reqh) 1951 usbd_request_handle reqh; 1952 { 1953 uhci_intr_info_t *ii = reqh->hcpriv; 1954 uhci_softc_t *sc = ii->sc; 1955 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1956 usb_dma_t *dma; 1957 uhci_soft_qh_t *sqh; 1958 int i, npoll; 1959 1960 DPRINTFN(5, ("uhci_intr_done: length=%d\n", reqh->actlen)); 1961 1962 dma = &upipe->u.intr.datadma; 1963 memcpy(reqh->buffer, KERNADDR(dma), reqh->actlen); 1964 npoll = upipe->u.intr.npoll; 1965 for(i = 0; i < npoll; i++) { 1966 sqh = upipe->u.intr.qhs[i]; 1967 sqh->elink = 0; 1968 sqh->qh.qh_elink = LE(UHCI_PTR_T); 1969 } 1970 uhci_free_std_chain(sc, ii->stdstart, 0); 1971 1972 /* XXX Wasteful. */ 1973 if (reqh->pipe->repeat) { 1974 uhci_soft_td_t *xfer, *xferend; 1975 1976 /* This alloc cannot fail since we freed the chain above. */ 1977 uhci_alloc_std_chain(upipe, sc, reqh->length, 1, 1978 reqh->flags & USBD_SHORT_XFER_OK, 1979 dma, &xfer, &xferend); 1980 xferend->td.td_status |= LE(UHCI_TD_IOC); 1981 1982 #ifdef USB_DEBUG 1983 if (uhcidebug > 10) { 1984 printf("uhci_device_intr_done: xfer(1)\n"); 1985 uhci_dump_tds(xfer); 1986 uhci_dump_qh(upipe->u.intr.qhs[0]); 1987 } 1988 #endif 1989 1990 ii->stdstart = xfer; 1991 ii->stdend = xferend; 1992 #ifdef DIAGNOSTIC 1993 ii->isdone = 0; 1994 #endif 1995 for (i = 0; i < npoll; i++) { 1996 sqh = upipe->u.intr.qhs[i]; 1997 sqh->elink = xfer; 1998 sqh->qh.qh_elink = LE(xfer->physaddr); 1999 } 2000 } else { 2001 usb_freemem(sc->sc_dmatag, dma); 2002 ii->stdstart = 0; /* mark as inactive */ 2003 } 2004 } 2005 2006 /* Deallocate request data structures */ 2007 void 2008 uhci_device_ctrl_done(reqh) 2009 usbd_request_handle reqh; 2010 { 2011 uhci_intr_info_t *ii = reqh->hcpriv; 2012 uhci_softc_t *sc = ii->sc; 2013 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 2014 u_int len = upipe->u.ctl.length; 2015 usb_dma_t *dma; 2016 2017 #ifdef DIAGNOSTIC 2018 if (!reqh->isreq) 2019 panic("uhci_ctrl_done: not a request\n"); 2020 #endif 2021 2022 LIST_REMOVE(ii, list); /* remove from active list */ 2023 2024 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2025 2026 if (len != 0) { 2027 dma = &upipe->u.ctl.datadma; 2028 if (reqh->request.bmRequestType & UT_READ) 2029 memcpy(reqh->buffer, KERNADDR(dma), len); 2030 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2031 usb_freemem(sc->sc_dmatag, dma); 2032 } 2033 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", reqh->actlen)); 2034 } 2035 2036 /* Deallocate request data structures */ 2037 void 2038 uhci_device_bulk_done(reqh) 2039 usbd_request_handle reqh; 2040 { 2041 uhci_intr_info_t *ii = reqh->hcpriv; 2042 uhci_softc_t *sc = ii->sc; 2043 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 2044 u_int datalen = upipe->u.bulk.length; 2045 usb_dma_t *dma; 2046 2047 LIST_REMOVE(ii, list); /* remove from active list */ 2048 2049 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2050 2051 /* copy the data from dma memory to userland storage */ 2052 dma = &upipe->u.bulk.datadma; 2053 if (upipe->u.bulk.isread) 2054 memcpy(reqh->buffer, KERNADDR(dma), datalen); 2055 uhci_free_std_chain(sc, ii->stdstart, 0); 2056 usb_freemem(sc->sc_dmatag, dma); 2057 2058 DPRINTFN(4, ("uhci_bulk_done: length=%d\n", reqh->actlen)); 2059 } 2060 2061 /* Add interrupt QH, called with vflock. */ 2062 void 2063 uhci_add_intr(sc, n, sqh) 2064 uhci_softc_t *sc; 2065 int n; 2066 uhci_soft_qh_t *sqh; 2067 { 2068 struct uhci_vframe *vf = &sc->sc_vframes[n]; 2069 uhci_soft_qh_t *eqh; 2070 2071 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", n, sqh)); 2072 eqh = vf->eqh; 2073 sqh->hlink = eqh->hlink; 2074 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2075 eqh->hlink = sqh; 2076 eqh->qh.qh_hlink = LE(sqh->physaddr | UHCI_PTR_Q); 2077 vf->eqh = sqh; 2078 vf->bandwidth++; 2079 } 2080 2081 /* Remove interrupt QH, called with vflock. */ 2082 void 2083 uhci_remove_intr(sc, n, sqh) 2084 uhci_softc_t *sc; 2085 int n; 2086 uhci_soft_qh_t *sqh; 2087 { 2088 struct uhci_vframe *vf = &sc->sc_vframes[n]; 2089 uhci_soft_qh_t *pqh; 2090 2091 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", n, sqh)); 2092 2093 for (pqh = vf->hqh; pqh->hlink != sqh; pqh = pqh->hlink) 2094 #if defined(DIAGNOSTIC) || defined(USB_DEBUG) 2095 if (LE(pqh->qh.qh_hlink) & UHCI_PTR_T) { 2096 printf("uhci_remove_intr: QH not found\n"); 2097 return; 2098 } 2099 #else 2100 ; 2101 #endif 2102 pqh->hlink = sqh->hlink; 2103 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2104 if (vf->eqh == sqh) 2105 vf->eqh = pqh; 2106 vf->bandwidth--; 2107 } 2108 2109 usbd_status 2110 uhci_device_setintr(sc, upipe, ival) 2111 uhci_softc_t *sc; 2112 struct uhci_pipe *upipe; 2113 int ival; 2114 { 2115 uhci_soft_qh_t *sqh; 2116 int i, npoll, s; 2117 u_int bestbw, bw, bestoffs, offs; 2118 2119 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2120 if (ival == 0) { 2121 printf("uhci_setintr: 0 interval\n"); 2122 return (USBD_INVAL); 2123 } 2124 2125 if (ival > UHCI_VFRAMELIST_COUNT) 2126 ival = UHCI_VFRAMELIST_COUNT; 2127 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2128 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2129 2130 upipe->u.intr.npoll = npoll; 2131 upipe->u.intr.qhs = 2132 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2133 2134 /* 2135 * Figure out which offset in the schedule that has most 2136 * bandwidth left over. 2137 */ 2138 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2139 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2140 for (bw = i = 0; i < npoll; i++) 2141 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2142 if (bw < bestbw) { 2143 bestbw = bw; 2144 bestoffs = offs; 2145 } 2146 } 2147 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2148 2149 upipe->iinfo->stdstart = 0; 2150 for(i = 0; i < npoll; i++) { 2151 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2152 sqh->elink = 0; 2153 sqh->qh.qh_elink = LE(UHCI_PTR_T); 2154 sqh->pos = MOD(i * ival + bestoffs); 2155 sqh->intr_info = upipe->iinfo; 2156 } 2157 #undef MOD 2158 2159 s = splusb(); 2160 LIST_INSERT_HEAD(&sc->sc_intrhead, upipe->iinfo, list); 2161 splx(s); 2162 2163 uhci_lock_frames(sc); 2164 /* Enter QHs into the controller data structures. */ 2165 for(i = 0; i < npoll; i++) 2166 uhci_add_intr(sc, upipe->u.intr.qhs[i]->pos, 2167 upipe->u.intr.qhs[i]); 2168 uhci_unlock_frames(sc); 2169 2170 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2171 return (USBD_NORMAL_COMPLETION); 2172 } 2173 2174 /* Open a new pipe. */ 2175 usbd_status 2176 uhci_open(pipe) 2177 usbd_pipe_handle pipe; 2178 { 2179 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2180 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2181 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2182 usbd_status r; 2183 2184 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2185 pipe, pipe->device->address, 2186 ed->bEndpointAddress, sc->sc_addr)); 2187 if (pipe->device->address == sc->sc_addr) { 2188 switch (ed->bEndpointAddress) { 2189 case USB_CONTROL_ENDPOINT: 2190 pipe->methods = &uhci_root_ctrl_methods; 2191 break; 2192 case UE_DIR_IN | UHCI_INTR_ENDPT: 2193 pipe->methods = &uhci_root_intr_methods; 2194 break; 2195 default: 2196 return (USBD_INVAL); 2197 } 2198 } else { 2199 upipe->iinfo = uhci_alloc_intr_info(sc); 2200 if (upipe->iinfo == 0) 2201 return (USBD_NOMEM); 2202 switch (ed->bmAttributes & UE_XFERTYPE) { 2203 case UE_CONTROL: 2204 pipe->methods = &uhci_device_ctrl_methods; 2205 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2206 if (upipe->u.ctl.sqh == 0) 2207 goto bad; 2208 upipe->u.ctl.setup = uhci_alloc_std(sc); 2209 if (upipe->u.ctl.setup == 0) { 2210 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2211 goto bad; 2212 } 2213 upipe->u.ctl.stat = uhci_alloc_std(sc); 2214 if (upipe->u.ctl.stat == 0) { 2215 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2216 uhci_free_std(sc, upipe->u.ctl.setup); 2217 goto bad; 2218 } 2219 r = usb_allocmem(sc->sc_dmatag, 2220 sizeof(usb_device_request_t), 2221 0, &upipe->u.ctl.reqdma); 2222 if (r != USBD_NORMAL_COMPLETION) { 2223 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2224 uhci_free_std(sc, upipe->u.ctl.setup); 2225 uhci_free_std(sc, upipe->u.ctl.stat); 2226 goto bad; 2227 } 2228 break; 2229 case UE_INTERRUPT: 2230 pipe->methods = &uhci_device_intr_methods; 2231 return (uhci_device_setintr(sc, upipe, ed->bInterval)); 2232 case UE_ISOCHRONOUS: 2233 pipe->methods = &uhci_device_isoc_methods; 2234 upipe->u.iso.nbuf = 0; 2235 return (USBD_NORMAL_COMPLETION); 2236 case UE_BULK: 2237 pipe->methods = &uhci_device_bulk_methods; 2238 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2239 if (upipe->u.bulk.sqh == 0) 2240 goto bad; 2241 break; 2242 } 2243 } 2244 return (USBD_NORMAL_COMPLETION); 2245 2246 bad: 2247 uhci_free_intr_info(upipe->iinfo); 2248 return (USBD_NOMEM); 2249 } 2250 2251 /* 2252 * Data structures and routines to emulate the root hub. 2253 */ 2254 usb_device_descriptor_t uhci_devd = { 2255 USB_DEVICE_DESCRIPTOR_SIZE, 2256 UDESC_DEVICE, /* type */ 2257 {0x00, 0x01}, /* USB version */ 2258 UCLASS_HUB, /* class */ 2259 USUBCLASS_HUB, /* subclass */ 2260 0, /* protocol */ 2261 64, /* max packet */ 2262 {0},{0},{0x00,0x01}, /* device id */ 2263 1,2,0, /* string indicies */ 2264 1 /* # of configurations */ 2265 }; 2266 2267 usb_config_descriptor_t uhci_confd = { 2268 USB_CONFIG_DESCRIPTOR_SIZE, 2269 UDESC_CONFIG, 2270 {USB_CONFIG_DESCRIPTOR_SIZE + 2271 USB_INTERFACE_DESCRIPTOR_SIZE + 2272 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2273 1, 2274 1, 2275 0, 2276 UC_SELF_POWERED, 2277 0 /* max power */ 2278 }; 2279 2280 usb_interface_descriptor_t uhci_ifcd = { 2281 USB_INTERFACE_DESCRIPTOR_SIZE, 2282 UDESC_INTERFACE, 2283 0, 2284 0, 2285 1, 2286 UCLASS_HUB, 2287 USUBCLASS_HUB, 2288 0, 2289 0 2290 }; 2291 2292 usb_endpoint_descriptor_t uhci_endpd = { 2293 USB_ENDPOINT_DESCRIPTOR_SIZE, 2294 UDESC_ENDPOINT, 2295 UE_DIR_IN | UHCI_INTR_ENDPT, 2296 UE_INTERRUPT, 2297 {8}, 2298 255 2299 }; 2300 2301 usb_hub_descriptor_t uhci_hubd_piix = { 2302 USB_HUB_DESCRIPTOR_SIZE, 2303 UDESC_HUB, 2304 2, 2305 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2306 50, /* power on to power good */ 2307 0, 2308 { 0x00 }, /* both ports are removable */ 2309 }; 2310 2311 int 2312 uhci_str(p, l, s) 2313 usb_string_descriptor_t *p; 2314 int l; 2315 char *s; 2316 { 2317 int i; 2318 2319 if (l == 0) 2320 return (0); 2321 p->bLength = 2 * strlen(s) + 2; 2322 if (l == 1) 2323 return (1); 2324 p->bDescriptorType = UDESC_STRING; 2325 l -= 2; 2326 for (i = 0; s[i] && l > 1; i++, l -= 2) 2327 USETW2(p->bString[i], 0, s[i]); 2328 return (2*i+2); 2329 } 2330 2331 /* 2332 * Simulate a hardware hub by handling all the necessary requests. 2333 */ 2334 usbd_status 2335 uhci_root_ctrl_transfer(reqh) 2336 usbd_request_handle reqh; 2337 { 2338 int s; 2339 usbd_status r; 2340 2341 s = splusb(); 2342 r = usb_insert_transfer(reqh); 2343 splx(s); 2344 if (r != USBD_NORMAL_COMPLETION) 2345 return (r); 2346 else 2347 return (uhci_root_ctrl_start(reqh)); 2348 } 2349 2350 usbd_status 2351 uhci_root_ctrl_start(reqh) 2352 usbd_request_handle reqh; 2353 { 2354 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 2355 usb_device_request_t *req; 2356 void *buf; 2357 int port, x; 2358 int len, value, index, status, change, l, totlen = 0; 2359 usb_port_status_t ps; 2360 usbd_status r; 2361 2362 if (!reqh->isreq) 2363 panic("uhci_root_ctrl_transfer: not a request\n"); 2364 req = &reqh->request; 2365 buf = reqh->buffer; 2366 2367 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2368 req->bmRequestType, req->bRequest)); 2369 2370 len = UGETW(req->wLength); 2371 value = UGETW(req->wValue); 2372 index = UGETW(req->wIndex); 2373 #define C(x,y) ((x) | ((y) << 8)) 2374 switch(C(req->bRequest, req->bmRequestType)) { 2375 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2376 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2377 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2378 /* 2379 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2380 * for the integrated root hub. 2381 */ 2382 break; 2383 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2384 if (len > 0) { 2385 *(u_int8_t *)buf = sc->sc_conf; 2386 totlen = 1; 2387 } 2388 break; 2389 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2390 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2391 switch(value >> 8) { 2392 case UDESC_DEVICE: 2393 if ((value & 0xff) != 0) { 2394 r = USBD_IOERROR; 2395 goto ret; 2396 } 2397 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2398 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2399 memcpy(buf, &uhci_devd, l); 2400 break; 2401 case UDESC_CONFIG: 2402 if ((value & 0xff) != 0) { 2403 r = USBD_IOERROR; 2404 goto ret; 2405 } 2406 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2407 memcpy(buf, &uhci_confd, l); 2408 buf = (char *)buf + l; 2409 len -= l; 2410 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2411 totlen += l; 2412 memcpy(buf, &uhci_ifcd, l); 2413 buf = (char *)buf + l; 2414 len -= l; 2415 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2416 totlen += l; 2417 memcpy(buf, &uhci_endpd, l); 2418 break; 2419 case UDESC_STRING: 2420 if (len == 0) 2421 break; 2422 *(u_int8_t *)buf = 0; 2423 totlen = 1; 2424 switch (value & 0xff) { 2425 case 1: /* Vendor */ 2426 totlen = uhci_str(buf, len, sc->sc_vendor); 2427 break; 2428 case 2: /* Product */ 2429 totlen = uhci_str(buf, len, "UHCI root hub"); 2430 break; 2431 } 2432 break; 2433 default: 2434 r = USBD_IOERROR; 2435 goto ret; 2436 } 2437 break; 2438 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2439 if (len > 0) { 2440 *(u_int8_t *)buf = 0; 2441 totlen = 1; 2442 } 2443 break; 2444 case C(UR_GET_STATUS, UT_READ_DEVICE): 2445 if (len > 1) { 2446 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2447 totlen = 2; 2448 } 2449 break; 2450 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2451 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2452 if (len > 1) { 2453 USETW(((usb_status_t *)buf)->wStatus, 0); 2454 totlen = 2; 2455 } 2456 break; 2457 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2458 if (value >= USB_MAX_DEVICES) { 2459 r = USBD_IOERROR; 2460 goto ret; 2461 } 2462 sc->sc_addr = value; 2463 break; 2464 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2465 if (value != 0 && value != 1) { 2466 r = USBD_IOERROR; 2467 goto ret; 2468 } 2469 sc->sc_conf = value; 2470 break; 2471 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2472 break; 2473 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2474 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2475 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2476 r = USBD_IOERROR; 2477 goto ret; 2478 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2479 break; 2480 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2481 break; 2482 /* Hub requests */ 2483 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2484 break; 2485 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2486 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2487 "port=%d feature=%d\n", 2488 index, value)); 2489 if (index == 1) 2490 port = UHCI_PORTSC1; 2491 else if (index == 2) 2492 port = UHCI_PORTSC2; 2493 else { 2494 r = USBD_IOERROR; 2495 goto ret; 2496 } 2497 switch(value) { 2498 case UHF_PORT_ENABLE: 2499 x = UREAD2(sc, port); 2500 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2501 break; 2502 case UHF_PORT_SUSPEND: 2503 x = UREAD2(sc, port); 2504 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2505 break; 2506 case UHF_PORT_RESET: 2507 x = UREAD2(sc, port); 2508 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2509 break; 2510 case UHF_C_PORT_CONNECTION: 2511 x = UREAD2(sc, port); 2512 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2513 break; 2514 case UHF_C_PORT_ENABLE: 2515 x = UREAD2(sc, port); 2516 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2517 break; 2518 case UHF_C_PORT_OVER_CURRENT: 2519 x = UREAD2(sc, port); 2520 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2521 break; 2522 case UHF_C_PORT_RESET: 2523 sc->sc_isreset = 0; 2524 r = USBD_NORMAL_COMPLETION; 2525 goto ret; 2526 case UHF_PORT_CONNECTION: 2527 case UHF_PORT_OVER_CURRENT: 2528 case UHF_PORT_POWER: 2529 case UHF_PORT_LOW_SPEED: 2530 case UHF_C_PORT_SUSPEND: 2531 default: 2532 r = USBD_IOERROR; 2533 goto ret; 2534 } 2535 break; 2536 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 2537 if (index == 1) 2538 port = UHCI_PORTSC1; 2539 else if (index == 2) 2540 port = UHCI_PORTSC2; 2541 else { 2542 r = USBD_IOERROR; 2543 goto ret; 2544 } 2545 if (len > 0) { 2546 *(u_int8_t *)buf = 2547 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 2548 UHCI_PORTSC_LS_SHIFT; 2549 totlen = 1; 2550 } 2551 break; 2552 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2553 if (value != 0) { 2554 r = USBD_IOERROR; 2555 goto ret; 2556 } 2557 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 2558 totlen = l; 2559 memcpy(buf, &uhci_hubd_piix, l); 2560 break; 2561 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2562 if (len != 4) { 2563 r = USBD_IOERROR; 2564 goto ret; 2565 } 2566 memset(buf, 0, len); 2567 totlen = len; 2568 break; 2569 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2570 if (index == 1) 2571 port = UHCI_PORTSC1; 2572 else if (index == 2) 2573 port = UHCI_PORTSC2; 2574 else { 2575 r = USBD_IOERROR; 2576 goto ret; 2577 } 2578 if (len != 4) { 2579 r = USBD_IOERROR; 2580 goto ret; 2581 } 2582 x = UREAD2(sc, port); 2583 status = change = 0; 2584 if (x & UHCI_PORTSC_CCS ) 2585 status |= UPS_CURRENT_CONNECT_STATUS; 2586 if (x & UHCI_PORTSC_CSC ) 2587 change |= UPS_C_CONNECT_STATUS; 2588 if (x & UHCI_PORTSC_PE ) 2589 status |= UPS_PORT_ENABLED; 2590 if (x & UHCI_PORTSC_POEDC) 2591 change |= UPS_C_PORT_ENABLED; 2592 if (x & UHCI_PORTSC_OCI ) 2593 status |= UPS_OVERCURRENT_INDICATOR; 2594 if (x & UHCI_PORTSC_OCIC ) 2595 change |= UPS_C_OVERCURRENT_INDICATOR; 2596 if (x & UHCI_PORTSC_SUSP ) 2597 status |= UPS_SUSPEND; 2598 if (x & UHCI_PORTSC_LSDA ) 2599 status |= UPS_LOW_SPEED; 2600 status |= UPS_PORT_POWER; 2601 if (sc->sc_isreset) 2602 change |= UPS_C_PORT_RESET; 2603 USETW(ps.wPortStatus, status); 2604 USETW(ps.wPortChange, change); 2605 l = min(len, sizeof ps); 2606 memcpy(buf, &ps, l); 2607 totlen = l; 2608 break; 2609 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 2610 r = USBD_IOERROR; 2611 goto ret; 2612 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 2613 break; 2614 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 2615 if (index == 1) 2616 port = UHCI_PORTSC1; 2617 else if (index == 2) 2618 port = UHCI_PORTSC2; 2619 else { 2620 r = USBD_IOERROR; 2621 goto ret; 2622 } 2623 switch(value) { 2624 case UHF_PORT_ENABLE: 2625 x = UREAD2(sc, port); 2626 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2627 break; 2628 case UHF_PORT_SUSPEND: 2629 x = UREAD2(sc, port); 2630 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 2631 break; 2632 case UHF_PORT_RESET: 2633 x = UREAD2(sc, port); 2634 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 2635 usb_delay_ms(&sc->sc_bus, 10); 2636 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2637 delay(100); 2638 x = UREAD2(sc, port); 2639 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2640 delay(100); 2641 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 2642 index, UREAD2(sc, port))); 2643 sc->sc_isreset = 1; 2644 break; 2645 case UHF_C_PORT_CONNECTION: 2646 case UHF_C_PORT_ENABLE: 2647 case UHF_C_PORT_OVER_CURRENT: 2648 case UHF_PORT_CONNECTION: 2649 case UHF_PORT_OVER_CURRENT: 2650 case UHF_PORT_POWER: 2651 case UHF_PORT_LOW_SPEED: 2652 case UHF_C_PORT_SUSPEND: 2653 case UHF_C_PORT_RESET: 2654 default: 2655 r = USBD_IOERROR; 2656 goto ret; 2657 } 2658 break; 2659 default: 2660 r = USBD_IOERROR; 2661 goto ret; 2662 } 2663 reqh->actlen = totlen; 2664 r = USBD_NORMAL_COMPLETION; 2665 ret: 2666 reqh->status = r; 2667 reqh->hcpriv = 0; 2668 usb_transfer_complete(reqh); 2669 return (USBD_IN_PROGRESS); 2670 } 2671 2672 /* Abort a root control request. */ 2673 void 2674 uhci_root_ctrl_abort(reqh) 2675 usbd_request_handle reqh; 2676 { 2677 /* Nothing to do, all transfers are syncronous. */ 2678 } 2679 2680 /* Close the root pipe. */ 2681 void 2682 uhci_root_ctrl_close(pipe) 2683 usbd_pipe_handle pipe; 2684 { 2685 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2686 2687 sc->sc_has_timo = 0; 2688 DPRINTF(("uhci_root_ctrl_close\n")); 2689 } 2690 2691 /* Abort a root interrupt request. */ 2692 void 2693 uhci_root_intr_abort(reqh) 2694 usbd_request_handle reqh; 2695 { 2696 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 2697 2698 usb_untimeout(uhci_timo, reqh, reqh->timo_handle); 2699 sc->sc_has_timo = 0; 2700 } 2701 2702 usbd_status 2703 uhci_root_intr_transfer(reqh) 2704 usbd_request_handle reqh; 2705 { 2706 int s; 2707 usbd_status r; 2708 2709 s = splusb(); 2710 r = usb_insert_transfer(reqh); 2711 splx(s); 2712 if (r != USBD_NORMAL_COMPLETION) 2713 return (r); 2714 else 2715 return (uhci_root_intr_start(reqh)); 2716 } 2717 2718 /* Start a transfer on the root interrupt pipe */ 2719 usbd_status 2720 uhci_root_intr_start(reqh) 2721 usbd_request_handle reqh; 2722 { 2723 usbd_pipe_handle pipe = reqh->pipe; 2724 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2725 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2726 usb_dma_t *dmap; 2727 usbd_status r; 2728 int len; 2729 2730 DPRINTFN(3, ("uhci_root_intr_transfer: reqh=%p buf=%p len=%d " 2731 "flags=%d\n", 2732 reqh, reqh->buffer, reqh->length, reqh->flags)); 2733 2734 len = reqh->length; 2735 dmap = &upipe->u.intr.datadma; 2736 if (len == 0) 2737 return (USBD_INVAL); /* XXX should it be? */ 2738 2739 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 2740 if (r != USBD_NORMAL_COMPLETION) 2741 return (r); 2742 2743 sc->sc_ival = MS_TO_TICKS(reqh->pipe->endpoint->edesc->bInterval); 2744 usb_timeout(uhci_timo, reqh, sc->sc_ival, reqh->timo_handle); 2745 sc->sc_has_timo = reqh; 2746 return (USBD_IN_PROGRESS); 2747 } 2748 2749 /* Close the root interrupt pipe. */ 2750 void 2751 uhci_root_intr_close(pipe) 2752 usbd_pipe_handle pipe; 2753 { 2754 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2755 2756 usb_untimeout(uhci_timo, pipe->intrreqh, pipe->intrreqh->timo_handle); 2757 sc->sc_has_timo = 0; 2758 DPRINTF(("uhci_root_intr_close\n")); 2759 } 2760 2761
Indexes created Tue Sep 30 20:09:53 GMT 2025