uhci.c revision 1.44
1 /* $NetBSD: uhci.c,v 1.44 1999/09/02 18:11:41 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; 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 isread = reqh->pipe->endpoint->edesc->bEndpointAddress & UE_IN; 1304 sqh = upipe->u.bulk.sqh; 1305 1306 upipe->u.bulk.isread = isread; 1307 upipe->u.bulk.length = len; 1308 1309 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1310 if (r != USBD_NORMAL_COMPLETION) 1311 goto ret1; 1312 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1313 reqh->flags & USBD_SHORT_XFER_OK, 1314 dmap, &xfer, &xferend); 1315 if (r != USBD_NORMAL_COMPLETION) 1316 goto ret2; 1317 xferend->td.td_status |= LE(UHCI_TD_IOC); 1318 1319 if (!isread && len != 0) 1320 memcpy(KERNADDR(dmap), reqh->buffer, len); 1321 1322 #ifdef USB_DEBUG 1323 if (uhcidebug > 8) { 1324 printf("uhci_device_bulk_transfer: xfer(1)\n"); 1325 uhci_dump_tds(xfer); 1326 } 1327 #endif 1328 1329 /* Set up interrupt info. */ 1330 ii->reqh = reqh; 1331 ii->stdstart = xfer; 1332 ii->stdend = xferend; 1333 #ifdef DIAGNOSTIC 1334 ii->isdone = 0; 1335 #endif 1336 1337 sqh->elink = xfer; 1338 sqh->qh.qh_elink = LE(xfer->physaddr); 1339 sqh->intr_info = ii; 1340 1341 s = splusb(); 1342 uhci_add_bulk(sc, sqh); 1343 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1344 1345 if (reqh->timeout && !sc->sc_bus.use_polling) { 1346 usb_timeout(uhci_timeout, ii, 1347 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1348 } 1349 splx(s); 1350 1351 #ifdef USB_DEBUG 1352 if (uhcidebug > 10) { 1353 printf("uhci_device_bulk_transfer: xfer(2)\n"); 1354 uhci_dump_tds(xfer); 1355 } 1356 #endif 1357 1358 if (sc->sc_bus.use_polling) 1359 uhci_waitintr(sc, reqh); 1360 1361 return (USBD_IN_PROGRESS); 1362 1363 ret2: 1364 if (len != 0) 1365 usb_freemem(sc->sc_dmatag, dmap); 1366 ret1: 1367 return (r); 1368 } 1369 1370 /* Abort a device bulk request. */ 1371 void 1372 uhci_device_bulk_abort(reqh) 1373 usbd_request_handle reqh; 1374 { 1375 DPRINTF(("uhci_device_bulk_abort:\n")); 1376 uhci_abort_req(reqh, USBD_CANCELLED); 1377 } 1378 1379 void 1380 uhci_abort_req(reqh, status) 1381 usbd_request_handle reqh; 1382 usbd_status status; 1383 { 1384 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1385 uhci_intr_info_t *ii = upipe->iinfo; 1386 uhci_soft_td_t *std; 1387 1388 /* Make interrupt routine ignore it, */ 1389 reqh->status = status; 1390 1391 /* don't timeout, */ 1392 usb_untimeout(uhci_timeout, ii, ii->timeout_handle); 1393 1394 /* make hardware ignore it, */ 1395 for (std = ii->stdstart; std != 0; std = std->link.std) 1396 std->td.td_status &= LE(~UHCI_TD_ACTIVE); 1397 1398 reqh->hcpriv = ii; 1399 1400 /* make sure hardware has completed, */ 1401 if (curproc) { 1402 usb_delay_ms(reqh->pipe->device->bus, 1); 1403 /* and call final part of interrupt handler. */ 1404 uhci_abort_req_end(reqh); 1405 } else { 1406 /* We have no process context, so we can't use tsleep(). */ 1407 timeout(uhci_abort_req_end, reqh, hz / USB_FRAMES_PER_SECOND); 1408 } 1409 } 1410 1411 void 1412 uhci_abort_req_end(v) 1413 void *v; 1414 { 1415 usbd_request_handle reqh = v; 1416 int s; 1417 1418 s = splusb(); 1419 usb_transfer_complete(reqh); 1420 splx(s); 1421 } 1422 1423 /* Close a device bulk pipe. */ 1424 void 1425 uhci_device_bulk_close(pipe) 1426 usbd_pipe_handle pipe; 1427 { 1428 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1429 usbd_device_handle dev = upipe->pipe.device; 1430 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1431 1432 uhci_free_sqh(sc, upipe->u.bulk.sqh); 1433 uhci_free_intr_info(upipe->iinfo); 1434 /* XXX free other resources */ 1435 } 1436 1437 usbd_status 1438 uhci_device_ctrl_transfer(reqh) 1439 usbd_request_handle reqh; 1440 { 1441 int s; 1442 usbd_status r; 1443 1444 s = splusb(); 1445 r = usb_insert_transfer(reqh); 1446 splx(s); 1447 if (r != USBD_NORMAL_COMPLETION) 1448 return (r); 1449 else 1450 return (uhci_device_ctrl_start(reqh)); 1451 } 1452 1453 usbd_status 1454 uhci_device_ctrl_start(reqh) 1455 usbd_request_handle reqh; 1456 { 1457 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 1458 usbd_status r; 1459 1460 if (!reqh->isreq) 1461 panic("uhci_device_ctrl_transfer: not a request\n"); 1462 1463 r = uhci_device_request(reqh); 1464 if (r != USBD_NORMAL_COMPLETION) 1465 return (r); 1466 1467 if (sc->sc_bus.use_polling) 1468 uhci_waitintr(sc, reqh); 1469 return (USBD_IN_PROGRESS); 1470 } 1471 1472 usbd_status 1473 uhci_device_intr_transfer(reqh) 1474 usbd_request_handle reqh; 1475 { 1476 int s; 1477 usbd_status r; 1478 1479 s = splusb(); 1480 r = usb_insert_transfer(reqh); 1481 splx(s); 1482 if (r != USBD_NORMAL_COMPLETION) 1483 return (r); 1484 else 1485 return (uhci_device_intr_start(reqh)); 1486 } 1487 1488 usbd_status 1489 uhci_device_intr_start(reqh) 1490 usbd_request_handle reqh; 1491 { 1492 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1493 usbd_device_handle dev = upipe->pipe.device; 1494 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1495 uhci_intr_info_t *ii = upipe->iinfo; 1496 uhci_soft_td_t *xfer, *xferend; 1497 uhci_soft_qh_t *sqh; 1498 usb_dma_t *dmap; 1499 usbd_status r; 1500 int len, i; 1501 int s; 1502 1503 DPRINTFN(3, ("uhci_device_intr_transfer: reqh=%p buf=%p len=%d " 1504 "flags=%d\n", 1505 reqh, reqh->buffer, reqh->length, reqh->flags)); 1506 1507 if (reqh->isreq) 1508 panic("uhci_device_intr_transfer: a request\n"); 1509 1510 len = reqh->length; 1511 dmap = &upipe->u.intr.datadma; 1512 if (len == 0) 1513 return (USBD_INVAL); /* XXX should it be? */ 1514 1515 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1516 if (r != USBD_NORMAL_COMPLETION) 1517 goto ret1; 1518 r = uhci_alloc_std_chain(upipe, sc, len, 1, 1519 reqh->flags & USBD_SHORT_XFER_OK, 1520 dmap, &xfer, &xferend); 1521 if (r != USBD_NORMAL_COMPLETION) 1522 goto ret2; 1523 xferend->td.td_status |= LE(UHCI_TD_IOC); 1524 1525 #ifdef USB_DEBUG 1526 if (uhcidebug > 10) { 1527 printf("uhci_device_intr_transfer: xfer(1)\n"); 1528 uhci_dump_tds(xfer); 1529 uhci_dump_qh(upipe->u.intr.qhs[0]); 1530 } 1531 #endif 1532 1533 s = splusb(); 1534 /* Set up interrupt info. */ 1535 ii->reqh = reqh; 1536 ii->stdstart = xfer; 1537 ii->stdend = xferend; 1538 #ifdef DIAGNOSTIC 1539 ii->isdone = 0; 1540 #endif 1541 1542 DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", 1543 upipe->u.intr.qhs[0])); 1544 for (i = 0; i < upipe->u.intr.npoll; i++) { 1545 sqh = upipe->u.intr.qhs[i]; 1546 sqh->elink = xfer; 1547 sqh->qh.qh_elink = LE(xfer->physaddr); 1548 } 1549 splx(s); 1550 1551 #ifdef USB_DEBUG 1552 if (uhcidebug > 10) { 1553 printf("uhci_device_intr_transfer: xfer(2)\n"); 1554 uhci_dump_tds(xfer); 1555 uhci_dump_qh(upipe->u.intr.qhs[0]); 1556 } 1557 #endif 1558 1559 return (USBD_IN_PROGRESS); 1560 1561 ret2: 1562 if (len != 0) 1563 usb_freemem(sc->sc_dmatag, dmap); 1564 ret1: 1565 return (r); 1566 } 1567 1568 /* Abort a device control request. */ 1569 void 1570 uhci_device_ctrl_abort(reqh) 1571 usbd_request_handle reqh; 1572 { 1573 DPRINTF(("uhci_device_ctrl_abort:\n")); 1574 uhci_abort_req(reqh, USBD_CANCELLED); 1575 } 1576 1577 /* Close a device control pipe. */ 1578 void 1579 uhci_device_ctrl_close(pipe) 1580 usbd_pipe_handle pipe; 1581 { 1582 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1583 1584 uhci_free_intr_info(upipe->iinfo); 1585 /* XXX free other resources */ 1586 } 1587 1588 /* Abort a device interrupt request. */ 1589 void 1590 uhci_device_intr_abort(reqh) 1591 usbd_request_handle reqh; 1592 { 1593 DPRINTFN(1,("uhci_device_intr_abort: reqh=%p\n", reqh)); 1594 if (reqh->pipe->intrreqh == reqh) { 1595 DPRINTFN(1,("uhci_device_intr_abort: remove\n")); 1596 reqh->pipe->intrreqh = 0; 1597 } 1598 uhci_abort_req(reqh, USBD_CANCELLED); 1599 } 1600 1601 /* Close a device interrupt pipe. */ 1602 void 1603 uhci_device_intr_close(pipe) 1604 usbd_pipe_handle pipe; 1605 { 1606 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1607 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 1608 int i, s, npoll; 1609 1610 upipe->iinfo->stdstart = 0; /* inactive */ 1611 1612 /* Unlink descriptors from controller data structures. */ 1613 npoll = upipe->u.intr.npoll; 1614 uhci_lock_frames(sc); 1615 for (i = 0; i < npoll; i++) 1616 uhci_remove_intr(sc, upipe->u.intr.qhs[i]->pos, 1617 upipe->u.intr.qhs[i]); 1618 uhci_unlock_frames(sc); 1619 1620 /* 1621 * We now have to wait for any activity on the physical 1622 * descriptors to stop. 1623 */ 1624 usb_delay_ms(&sc->sc_bus, 2); 1625 1626 for(i = 0; i < npoll; i++) 1627 uhci_free_sqh(sc, upipe->u.intr.qhs[i]); 1628 free(upipe->u.intr.qhs, M_USBHC); 1629 1630 s = splusb(); 1631 LIST_REMOVE(upipe->iinfo, list); /* remove from active list */ 1632 splx(s); 1633 uhci_free_intr_info(upipe->iinfo); 1634 1635 /* XXX free other resources */ 1636 } 1637 1638 usbd_status 1639 uhci_device_request(reqh) 1640 usbd_request_handle reqh; 1641 { 1642 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1643 usb_device_request_t *req = &reqh->request; 1644 usbd_device_handle dev = upipe->pipe.device; 1645 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1646 int addr = dev->address; 1647 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1648 uhci_intr_info_t *ii = upipe->iinfo; 1649 uhci_soft_td_t *setup, *xfer, *stat, *next, *xferend; 1650 uhci_soft_qh_t *sqh; 1651 usb_dma_t *dmap; 1652 int len; 1653 u_int32_t ls; 1654 usbd_status r; 1655 int isread; 1656 int s; 1657 1658 DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " 1659 "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", 1660 req->bmRequestType, req->bRequest, UGETW(req->wValue), 1661 UGETW(req->wIndex), UGETW(req->wLength), 1662 addr, endpt)); 1663 1664 ls = dev->lowspeed ? UHCI_TD_LS : 0; 1665 isread = req->bmRequestType & UT_READ; 1666 len = UGETW(req->wLength); 1667 1668 setup = upipe->u.ctl.setup; 1669 stat = upipe->u.ctl.stat; 1670 sqh = upipe->u.ctl.sqh; 1671 dmap = &upipe->u.ctl.datadma; 1672 1673 /* Set up data transaction */ 1674 if (len != 0) { 1675 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 1676 if (r != USBD_NORMAL_COMPLETION) 1677 goto ret1; 1678 upipe->nexttoggle = 1; 1679 r = uhci_alloc_std_chain(upipe, sc, len, isread, 1680 reqh->flags & USBD_SHORT_XFER_OK, 1681 dmap, &xfer, &xferend); 1682 if (r != USBD_NORMAL_COMPLETION) 1683 goto ret2; 1684 next = xfer; 1685 xferend->link.std = stat; 1686 xferend->td.td_link = LE(stat->physaddr); 1687 } else { 1688 next = stat; 1689 } 1690 upipe->u.ctl.length = len; 1691 1692 memcpy(KERNADDR(&upipe->u.ctl.reqdma), req, sizeof *req); 1693 if (!isread && len != 0) 1694 memcpy(KERNADDR(dmap), reqh->buffer, len); 1695 1696 setup->link.std = next; 1697 setup->td.td_link = LE(next->physaddr); 1698 setup->td.td_status = LE(UHCI_TD_SET_ERRCNT(3) | ls | UHCI_TD_ACTIVE); 1699 setup->td.td_token = LE(UHCI_TD_SETUP(sizeof *req, endpt, addr)); 1700 setup->td.td_buffer = LE(DMAADDR(&upipe->u.ctl.reqdma)); 1701 1702 stat->link.std = 0; 1703 stat->td.td_link = LE(UHCI_PTR_T); 1704 stat->td.td_status = LE(UHCI_TD_SET_ERRCNT(3) | ls | 1705 UHCI_TD_ACTIVE | UHCI_TD_IOC); 1706 stat->td.td_token = 1707 LE(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : 1708 UHCI_TD_IN (0, endpt, addr, 1)); 1709 stat->td.td_buffer = LE(0); 1710 1711 #ifdef USB_DEBUG 1712 if (uhcidebug > 20) { 1713 printf("uhci_device_request: before transfer\n"); 1714 uhci_dump_tds(setup); 1715 } 1716 #endif 1717 1718 /* Set up interrupt info. */ 1719 ii->reqh = reqh; 1720 ii->stdstart = setup; 1721 ii->stdend = stat; 1722 #ifdef DIAGNOSTIC 1723 ii->isdone = 0; 1724 #endif 1725 1726 sqh->elink = setup; 1727 sqh->qh.qh_elink = LE(setup->physaddr); 1728 sqh->intr_info = ii; 1729 1730 s = splusb(); 1731 uhci_add_ctrl(sc, sqh); 1732 LIST_INSERT_HEAD(&sc->sc_intrhead, ii, list); 1733 #ifdef USB_DEBUG 1734 if (uhcidebug > 12) { 1735 uhci_soft_td_t *std; 1736 uhci_soft_qh_t *xqh; 1737 uhci_soft_qh_t *sxqh; 1738 int maxqh = 0; 1739 uhci_physaddr_t link; 1740 printf("uhci_enter_ctl_q: follow from [0]\n"); 1741 for (std = sc->sc_vframes[0].htd, link = 0; 1742 (link & UHCI_PTR_Q) == 0; 1743 std = std->link.std) { 1744 link = LE(std->td.td_link); 1745 uhci_dump_td(std); 1746 } 1747 for (sxqh = xqh = (uhci_soft_qh_t *)std; 1748 xqh; 1749 xqh = (maxqh++ == 5 || xqh->hlink==sxqh || 1750 xqh->hlink==xqh ? NULL : xqh->hlink)) { 1751 uhci_dump_qh(xqh); 1752 uhci_dump_qh(sxqh); 1753 } 1754 printf("Enqueued QH:\n"); 1755 uhci_dump_qh(sqh); 1756 uhci_dump_tds(sqh->elink); 1757 } 1758 #endif 1759 if (reqh->timeout && !sc->sc_bus.use_polling) { 1760 usb_timeout(uhci_timeout, ii, 1761 MS_TO_TICKS(reqh->timeout), ii->timeout_handle); 1762 } 1763 splx(s); 1764 1765 return (USBD_NORMAL_COMPLETION); 1766 1767 ret2: 1768 if (len != 0) 1769 usb_freemem(sc->sc_dmatag, dmap); 1770 ret1: 1771 return (r); 1772 } 1773 1774 usbd_status 1775 uhci_device_isoc_transfer(reqh) 1776 usbd_request_handle reqh; 1777 { 1778 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1779 #ifdef USB_DEBUG 1780 usbd_device_handle dev = upipe->pipe.device; 1781 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1782 #endif 1783 1784 DPRINTFN(1,("uhci_device_isoc_transfer: sc=%p\n", sc)); 1785 if (upipe->u.iso.bufsize == 0) 1786 return (USBD_INVAL); 1787 1788 /* XXX copy data */ 1789 return (USBD_XXX); 1790 } 1791 1792 usbd_status 1793 uhci_device_isoc_start(reqh) 1794 usbd_request_handle reqh; 1795 { 1796 return (USBD_XXX); 1797 } 1798 1799 void 1800 uhci_device_isoc_abort(reqh) 1801 usbd_request_handle reqh; 1802 { 1803 /* XXX Can't abort this. */ 1804 } 1805 1806 void 1807 uhci_device_isoc_close(pipe) 1808 usbd_pipe_handle pipe; 1809 { 1810 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1811 usbd_device_handle dev = upipe->pipe.device; 1812 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1813 struct iso *iso; 1814 int i; 1815 1816 /* 1817 * Make sure all TDs are marked as inactive. 1818 * Wait for completion. 1819 * Unschedule. 1820 * Deallocate. 1821 */ 1822 iso = &upipe->u.iso; 1823 1824 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) 1825 iso->stds[i]->td.td_status &= LE(~UHCI_TD_ACTIVE); 1826 usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ 1827 1828 uhci_lock_frames(sc); 1829 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1830 uhci_soft_td_t *std, *vstd; 1831 1832 std = iso->stds[i]; 1833 for (vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1834 vstd && vstd->link.std != std; 1835 vstd = vstd->link.std) 1836 ; 1837 if (!vstd) { 1838 /*panic*/ 1839 printf("uhci_device_isoc_close: %p not found\n", std); 1840 uhci_unlock_frames(sc); 1841 return; 1842 } 1843 vstd->link = std->link; 1844 vstd->td.td_link = std->td.td_link; 1845 uhci_free_std(sc, std); 1846 } 1847 uhci_unlock_frames(sc); 1848 1849 for (i = 0; i < iso->nbuf; i++) 1850 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1851 free(iso->stds, M_USBHC); 1852 free(iso->bufs, M_USBHC); 1853 1854 /* XXX what else? */ 1855 } 1856 1857 usbd_status 1858 uhci_device_isoc_setbuf(pipe, bufsize, nbuf) 1859 usbd_pipe_handle pipe; 1860 u_int bufsize; 1861 u_int nbuf; 1862 { 1863 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 1864 usbd_device_handle dev = upipe->pipe.device; 1865 uhci_softc_t *sc = (uhci_softc_t *)dev->bus; 1866 int addr = upipe->pipe.device->address; 1867 int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; 1868 int rd = upipe->pipe.endpoint->edesc->bEndpointAddress & UE_IN; 1869 struct iso *iso; 1870 int i; 1871 usbd_status r; 1872 1873 /* 1874 * For simplicity the number of buffers must fit nicely in the frame 1875 * list. 1876 */ 1877 if (UHCI_VFRAMELIST_COUNT % nbuf != 0) 1878 return (USBD_INVAL); 1879 1880 iso = &upipe->u.iso; 1881 iso->bufsize = bufsize; 1882 iso->nbuf = nbuf; 1883 1884 /* Allocate memory for buffers. */ 1885 iso->bufs = malloc(nbuf * sizeof(usb_dma_t), M_USBHC, M_WAITOK); 1886 iso->stds = malloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), 1887 M_USBHC, M_WAITOK); 1888 1889 for (i = 0; i < nbuf; i++) { 1890 r = usb_allocmem(sc->sc_dmatag, bufsize, 0, &iso->bufs[i]); 1891 if (r != USBD_NORMAL_COMPLETION) { 1892 nbuf = i; 1893 goto bad1; 1894 } 1895 } 1896 1897 /* Allocate the TDs. */ 1898 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1899 iso->stds[i] = uhci_alloc_std(sc); 1900 if (iso->stds[i] == 0) 1901 goto bad2; 1902 } 1903 1904 /* XXX check schedule */ 1905 1906 /* XXX interrupts */ 1907 1908 /* Insert TDs into schedule, all marked inactive. */ 1909 uhci_lock_frames(sc); 1910 for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { 1911 uhci_soft_td_t *std, *vstd; 1912 1913 std = iso->stds[i]; 1914 std->td.td_status = LE(UHCI_TD_IOS); /* iso, inactive */ 1915 std->td.td_token = 1916 LE(rd ? UHCI_TD_IN (0, endpt, addr, 0) : 1917 UHCI_TD_OUT(0, endpt, addr, 0)); 1918 std->td.td_buffer = LE(DMAADDR(&iso->bufs[i % nbuf])); 1919 1920 vstd = sc->sc_vframes[i % UHCI_VFRAMELIST_COUNT].htd; 1921 std->link = vstd->link; 1922 std->td.td_link = vstd->td.td_link; 1923 vstd->link.std = std; 1924 vstd->td.td_link = LE(std->physaddr); 1925 } 1926 uhci_unlock_frames(sc); 1927 1928 return (USBD_NORMAL_COMPLETION); 1929 1930 bad2: 1931 while (--i >= 0) 1932 uhci_free_std(sc, iso->stds[i]); 1933 bad1: 1934 for (i = 0; i < nbuf; i++) 1935 usb_freemem(sc->sc_dmatag, &iso->bufs[i]); 1936 free(iso->stds, M_USBHC); 1937 free(iso->bufs, M_USBHC); 1938 return (USBD_NOMEM); 1939 } 1940 1941 void 1942 uhci_device_isoc_done(reqh) 1943 usbd_request_handle reqh; 1944 { 1945 /*uhci_intr_info_t *ii = v;*/ 1946 } 1947 1948 void 1949 uhci_device_intr_done(reqh) 1950 usbd_request_handle reqh; 1951 { 1952 uhci_intr_info_t *ii = reqh->hcpriv; 1953 uhci_softc_t *sc = ii->sc; 1954 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 1955 usb_dma_t *dma; 1956 uhci_soft_qh_t *sqh; 1957 int i, npoll; 1958 1959 DPRINTFN(5, ("uhci_intr_done: length=%d\n", reqh->actlen)); 1960 1961 dma = &upipe->u.intr.datadma; 1962 memcpy(reqh->buffer, KERNADDR(dma), reqh->actlen); 1963 npoll = upipe->u.intr.npoll; 1964 for(i = 0; i < npoll; i++) { 1965 sqh = upipe->u.intr.qhs[i]; 1966 sqh->elink = 0; 1967 sqh->qh.qh_elink = LE(UHCI_PTR_T); 1968 } 1969 uhci_free_std_chain(sc, ii->stdstart, 0); 1970 1971 /* XXX Wasteful. */ 1972 if (reqh->pipe->repeat) { 1973 uhci_soft_td_t *xfer, *xferend; 1974 1975 /* This alloc cannot fail since we freed the chain above. */ 1976 uhci_alloc_std_chain(upipe, sc, reqh->length, 1, 1977 reqh->flags & USBD_SHORT_XFER_OK, 1978 dma, &xfer, &xferend); 1979 xferend->td.td_status |= LE(UHCI_TD_IOC); 1980 1981 #ifdef USB_DEBUG 1982 if (uhcidebug > 10) { 1983 printf("uhci_device_intr_done: xfer(1)\n"); 1984 uhci_dump_tds(xfer); 1985 uhci_dump_qh(upipe->u.intr.qhs[0]); 1986 } 1987 #endif 1988 1989 ii->stdstart = xfer; 1990 ii->stdend = xferend; 1991 #ifdef DIAGNOSTIC 1992 ii->isdone = 0; 1993 #endif 1994 for (i = 0; i < npoll; i++) { 1995 sqh = upipe->u.intr.qhs[i]; 1996 sqh->elink = xfer; 1997 sqh->qh.qh_elink = LE(xfer->physaddr); 1998 } 1999 } else { 2000 usb_freemem(sc->sc_dmatag, dma); 2001 ii->stdstart = 0; /* mark as inactive */ 2002 } 2003 } 2004 2005 /* Deallocate request data structures */ 2006 void 2007 uhci_device_ctrl_done(reqh) 2008 usbd_request_handle reqh; 2009 { 2010 uhci_intr_info_t *ii = reqh->hcpriv; 2011 uhci_softc_t *sc = ii->sc; 2012 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 2013 u_int len = upipe->u.ctl.length; 2014 usb_dma_t *dma; 2015 2016 #ifdef DIAGNOSTIC 2017 if (!reqh->isreq) 2018 panic("uhci_ctrl_done: not a request\n"); 2019 #endif 2020 2021 LIST_REMOVE(ii, list); /* remove from active list */ 2022 2023 uhci_remove_ctrl(sc, upipe->u.ctl.sqh); 2024 2025 if (len != 0) { 2026 dma = &upipe->u.ctl.datadma; 2027 if (reqh->request.bmRequestType & UT_READ) 2028 memcpy(reqh->buffer, KERNADDR(dma), len); 2029 uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); 2030 usb_freemem(sc->sc_dmatag, dma); 2031 } 2032 DPRINTFN(5, ("uhci_ctrl_done: length=%d\n", reqh->actlen)); 2033 } 2034 2035 /* Deallocate request data structures */ 2036 void 2037 uhci_device_bulk_done(reqh) 2038 usbd_request_handle reqh; 2039 { 2040 uhci_intr_info_t *ii = reqh->hcpriv; 2041 uhci_softc_t *sc = ii->sc; 2042 struct uhci_pipe *upipe = (struct uhci_pipe *)reqh->pipe; 2043 u_int datalen = upipe->u.bulk.length; 2044 usb_dma_t *dma; 2045 2046 LIST_REMOVE(ii, list); /* remove from active list */ 2047 2048 uhci_remove_bulk(sc, upipe->u.bulk.sqh); 2049 2050 /* copy the data from dma memory to userland storage */ 2051 dma = &upipe->u.bulk.datadma; 2052 if (upipe->u.bulk.isread) 2053 memcpy(reqh->buffer, KERNADDR(dma), datalen); 2054 uhci_free_std_chain(sc, ii->stdstart, 0); 2055 usb_freemem(sc->sc_dmatag, dma); 2056 2057 DPRINTFN(4, ("uhci_bulk_done: length=%d\n", reqh->actlen)); 2058 } 2059 2060 /* Add interrupt QH, called with vflock. */ 2061 void 2062 uhci_add_intr(sc, n, sqh) 2063 uhci_softc_t *sc; 2064 int n; 2065 uhci_soft_qh_t *sqh; 2066 { 2067 struct uhci_vframe *vf = &sc->sc_vframes[n]; 2068 uhci_soft_qh_t *eqh; 2069 2070 DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", n, sqh)); 2071 eqh = vf->eqh; 2072 sqh->hlink = eqh->hlink; 2073 sqh->qh.qh_hlink = eqh->qh.qh_hlink; 2074 eqh->hlink = sqh; 2075 eqh->qh.qh_hlink = LE(sqh->physaddr | UHCI_PTR_Q); 2076 vf->eqh = sqh; 2077 vf->bandwidth++; 2078 } 2079 2080 /* Remove interrupt QH, called with vflock. */ 2081 void 2082 uhci_remove_intr(sc, n, sqh) 2083 uhci_softc_t *sc; 2084 int n; 2085 uhci_soft_qh_t *sqh; 2086 { 2087 struct uhci_vframe *vf = &sc->sc_vframes[n]; 2088 uhci_soft_qh_t *pqh; 2089 2090 DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", n, sqh)); 2091 2092 for (pqh = vf->hqh; pqh->hlink != sqh; pqh = pqh->hlink) 2093 #if defined(DIAGNOSTIC) || defined(USB_DEBUG) 2094 if (LE(pqh->qh.qh_hlink) & UHCI_PTR_T) { 2095 printf("uhci_remove_intr: QH not found\n"); 2096 return; 2097 } 2098 #else 2099 ; 2100 #endif 2101 pqh->hlink = sqh->hlink; 2102 pqh->qh.qh_hlink = sqh->qh.qh_hlink; 2103 if (vf->eqh == sqh) 2104 vf->eqh = pqh; 2105 vf->bandwidth--; 2106 } 2107 2108 usbd_status 2109 uhci_device_setintr(sc, upipe, ival) 2110 uhci_softc_t *sc; 2111 struct uhci_pipe *upipe; 2112 int ival; 2113 { 2114 uhci_soft_qh_t *sqh; 2115 int i, npoll, s; 2116 u_int bestbw, bw, bestoffs, offs; 2117 2118 DPRINTFN(2, ("uhci_setintr: pipe=%p\n", upipe)); 2119 if (ival == 0) { 2120 printf("uhci_setintr: 0 interval\n"); 2121 return (USBD_INVAL); 2122 } 2123 2124 if (ival > UHCI_VFRAMELIST_COUNT) 2125 ival = UHCI_VFRAMELIST_COUNT; 2126 npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; 2127 DPRINTFN(2, ("uhci_setintr: ival=%d npoll=%d\n", ival, npoll)); 2128 2129 upipe->u.intr.npoll = npoll; 2130 upipe->u.intr.qhs = 2131 malloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_WAITOK); 2132 2133 /* 2134 * Figure out which offset in the schedule that has most 2135 * bandwidth left over. 2136 */ 2137 #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) 2138 for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { 2139 for (bw = i = 0; i < npoll; i++) 2140 bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; 2141 if (bw < bestbw) { 2142 bestbw = bw; 2143 bestoffs = offs; 2144 } 2145 } 2146 DPRINTFN(1, ("uhci_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); 2147 2148 upipe->iinfo->stdstart = 0; 2149 for(i = 0; i < npoll; i++) { 2150 upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); 2151 sqh->elink = 0; 2152 sqh->qh.qh_elink = LE(UHCI_PTR_T); 2153 sqh->pos = MOD(i * ival + bestoffs); 2154 sqh->intr_info = upipe->iinfo; 2155 } 2156 #undef MOD 2157 2158 s = splusb(); 2159 LIST_INSERT_HEAD(&sc->sc_intrhead, upipe->iinfo, list); 2160 splx(s); 2161 2162 uhci_lock_frames(sc); 2163 /* Enter QHs into the controller data structures. */ 2164 for(i = 0; i < npoll; i++) 2165 uhci_add_intr(sc, upipe->u.intr.qhs[i]->pos, 2166 upipe->u.intr.qhs[i]); 2167 uhci_unlock_frames(sc); 2168 2169 DPRINTFN(5, ("uhci_setintr: returns %p\n", upipe)); 2170 return (USBD_NORMAL_COMPLETION); 2171 } 2172 2173 /* Open a new pipe. */ 2174 usbd_status 2175 uhci_open(pipe) 2176 usbd_pipe_handle pipe; 2177 { 2178 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2179 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2180 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; 2181 usbd_status r; 2182 2183 DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", 2184 pipe, pipe->device->address, 2185 ed->bEndpointAddress, sc->sc_addr)); 2186 if (pipe->device->address == sc->sc_addr) { 2187 switch (ed->bEndpointAddress) { 2188 case USB_CONTROL_ENDPOINT: 2189 pipe->methods = &uhci_root_ctrl_methods; 2190 break; 2191 case UE_IN | UHCI_INTR_ENDPT: 2192 pipe->methods = &uhci_root_intr_methods; 2193 break; 2194 default: 2195 return (USBD_INVAL); 2196 } 2197 } else { 2198 upipe->iinfo = uhci_alloc_intr_info(sc); 2199 if (upipe->iinfo == 0) 2200 return (USBD_NOMEM); 2201 switch (ed->bmAttributes & UE_XFERTYPE) { 2202 case UE_CONTROL: 2203 pipe->methods = &uhci_device_ctrl_methods; 2204 upipe->u.ctl.sqh = uhci_alloc_sqh(sc); 2205 if (upipe->u.ctl.sqh == 0) 2206 goto bad; 2207 upipe->u.ctl.setup = uhci_alloc_std(sc); 2208 if (upipe->u.ctl.setup == 0) { 2209 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2210 goto bad; 2211 } 2212 upipe->u.ctl.stat = uhci_alloc_std(sc); 2213 if (upipe->u.ctl.stat == 0) { 2214 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2215 uhci_free_std(sc, upipe->u.ctl.setup); 2216 goto bad; 2217 } 2218 r = usb_allocmem(sc->sc_dmatag, 2219 sizeof(usb_device_request_t), 2220 0, &upipe->u.ctl.reqdma); 2221 if (r != USBD_NORMAL_COMPLETION) { 2222 uhci_free_sqh(sc, upipe->u.ctl.sqh); 2223 uhci_free_std(sc, upipe->u.ctl.setup); 2224 uhci_free_std(sc, upipe->u.ctl.stat); 2225 goto bad; 2226 } 2227 break; 2228 case UE_INTERRUPT: 2229 pipe->methods = &uhci_device_intr_methods; 2230 return (uhci_device_setintr(sc, upipe, ed->bInterval)); 2231 case UE_ISOCHRONOUS: 2232 pipe->methods = &uhci_device_isoc_methods; 2233 upipe->u.iso.nbuf = 0; 2234 return (USBD_NORMAL_COMPLETION); 2235 case UE_BULK: 2236 pipe->methods = &uhci_device_bulk_methods; 2237 upipe->u.bulk.sqh = uhci_alloc_sqh(sc); 2238 if (upipe->u.bulk.sqh == 0) 2239 goto bad; 2240 break; 2241 } 2242 } 2243 return (USBD_NORMAL_COMPLETION); 2244 2245 bad: 2246 uhci_free_intr_info(upipe->iinfo); 2247 return (USBD_NOMEM); 2248 } 2249 2250 /* 2251 * Data structures and routines to emulate the root hub. 2252 */ 2253 usb_device_descriptor_t uhci_devd = { 2254 USB_DEVICE_DESCRIPTOR_SIZE, 2255 UDESC_DEVICE, /* type */ 2256 {0x00, 0x01}, /* USB version */ 2257 UCLASS_HUB, /* class */ 2258 USUBCLASS_HUB, /* subclass */ 2259 0, /* protocol */ 2260 64, /* max packet */ 2261 {0},{0},{0x00,0x01}, /* device id */ 2262 1,2,0, /* string indicies */ 2263 1 /* # of configurations */ 2264 }; 2265 2266 usb_config_descriptor_t uhci_confd = { 2267 USB_CONFIG_DESCRIPTOR_SIZE, 2268 UDESC_CONFIG, 2269 {USB_CONFIG_DESCRIPTOR_SIZE + 2270 USB_INTERFACE_DESCRIPTOR_SIZE + 2271 USB_ENDPOINT_DESCRIPTOR_SIZE}, 2272 1, 2273 1, 2274 0, 2275 UC_SELF_POWERED, 2276 0 /* max power */ 2277 }; 2278 2279 usb_interface_descriptor_t uhci_ifcd = { 2280 USB_INTERFACE_DESCRIPTOR_SIZE, 2281 UDESC_INTERFACE, 2282 0, 2283 0, 2284 1, 2285 UCLASS_HUB, 2286 USUBCLASS_HUB, 2287 0, 2288 0 2289 }; 2290 2291 usb_endpoint_descriptor_t uhci_endpd = { 2292 USB_ENDPOINT_DESCRIPTOR_SIZE, 2293 UDESC_ENDPOINT, 2294 UE_IN | UHCI_INTR_ENDPT, 2295 UE_INTERRUPT, 2296 {8}, 2297 255 2298 }; 2299 2300 usb_hub_descriptor_t uhci_hubd_piix = { 2301 USB_HUB_DESCRIPTOR_SIZE, 2302 UDESC_HUB, 2303 2, 2304 { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, 2305 50, /* power on to power good */ 2306 0, 2307 { 0x00 }, /* both ports are removable */ 2308 }; 2309 2310 int 2311 uhci_str(p, l, s) 2312 usb_string_descriptor_t *p; 2313 int l; 2314 char *s; 2315 { 2316 int i; 2317 2318 if (l == 0) 2319 return (0); 2320 p->bLength = 2 * strlen(s) + 2; 2321 if (l == 1) 2322 return (1); 2323 p->bDescriptorType = UDESC_STRING; 2324 l -= 2; 2325 for (i = 0; s[i] && l > 1; i++, l -= 2) 2326 USETW2(p->bString[i], 0, s[i]); 2327 return (2*i+2); 2328 } 2329 2330 /* 2331 * Simulate a hardware hub by handling all the necessary requests. 2332 */ 2333 usbd_status 2334 uhci_root_ctrl_transfer(reqh) 2335 usbd_request_handle reqh; 2336 { 2337 int s; 2338 usbd_status r; 2339 2340 s = splusb(); 2341 r = usb_insert_transfer(reqh); 2342 splx(s); 2343 if (r != USBD_NORMAL_COMPLETION) 2344 return (r); 2345 else 2346 return (uhci_root_ctrl_start(reqh)); 2347 } 2348 2349 usbd_status 2350 uhci_root_ctrl_start(reqh) 2351 usbd_request_handle reqh; 2352 { 2353 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 2354 usb_device_request_t *req; 2355 void *buf; 2356 int port, x; 2357 int len, value, index, status, change, l, totlen = 0; 2358 usb_port_status_t ps; 2359 usbd_status r; 2360 2361 if (!reqh->isreq) 2362 panic("uhci_root_ctrl_transfer: not a request\n"); 2363 req = &reqh->request; 2364 buf = reqh->buffer; 2365 2366 DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", 2367 req->bmRequestType, req->bRequest)); 2368 2369 len = UGETW(req->wLength); 2370 value = UGETW(req->wValue); 2371 index = UGETW(req->wIndex); 2372 #define C(x,y) ((x) | ((y) << 8)) 2373 switch(C(req->bRequest, req->bmRequestType)) { 2374 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2375 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2376 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2377 /* 2378 * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2379 * for the integrated root hub. 2380 */ 2381 break; 2382 case C(UR_GET_CONFIG, UT_READ_DEVICE): 2383 if (len > 0) { 2384 *(u_int8_t *)buf = sc->sc_conf; 2385 totlen = 1; 2386 } 2387 break; 2388 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2389 DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); 2390 switch(value >> 8) { 2391 case UDESC_DEVICE: 2392 if ((value & 0xff) != 0) { 2393 r = USBD_IOERROR; 2394 goto ret; 2395 } 2396 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); 2397 USETW(uhci_devd.idVendor, sc->sc_id_vendor); 2398 memcpy(buf, &uhci_devd, l); 2399 break; 2400 case UDESC_CONFIG: 2401 if ((value & 0xff) != 0) { 2402 r = USBD_IOERROR; 2403 goto ret; 2404 } 2405 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); 2406 memcpy(buf, &uhci_confd, l); 2407 buf = (char *)buf + l; 2408 len -= l; 2409 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); 2410 totlen += l; 2411 memcpy(buf, &uhci_ifcd, l); 2412 buf = (char *)buf + l; 2413 len -= l; 2414 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); 2415 totlen += l; 2416 memcpy(buf, &uhci_endpd, l); 2417 break; 2418 case UDESC_STRING: 2419 if (len == 0) 2420 break; 2421 *(u_int8_t *)buf = 0; 2422 totlen = 1; 2423 switch (value & 0xff) { 2424 case 1: /* Vendor */ 2425 totlen = uhci_str(buf, len, sc->sc_vendor); 2426 break; 2427 case 2: /* Product */ 2428 totlen = uhci_str(buf, len, "UHCI root hub"); 2429 break; 2430 } 2431 break; 2432 default: 2433 r = USBD_IOERROR; 2434 goto ret; 2435 } 2436 break; 2437 case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2438 if (len > 0) { 2439 *(u_int8_t *)buf = 0; 2440 totlen = 1; 2441 } 2442 break; 2443 case C(UR_GET_STATUS, UT_READ_DEVICE): 2444 if (len > 1) { 2445 USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); 2446 totlen = 2; 2447 } 2448 break; 2449 case C(UR_GET_STATUS, UT_READ_INTERFACE): 2450 case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2451 if (len > 1) { 2452 USETW(((usb_status_t *)buf)->wStatus, 0); 2453 totlen = 2; 2454 } 2455 break; 2456 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2457 if (value >= USB_MAX_DEVICES) { 2458 r = USBD_IOERROR; 2459 goto ret; 2460 } 2461 sc->sc_addr = value; 2462 break; 2463 case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2464 if (value != 0 && value != 1) { 2465 r = USBD_IOERROR; 2466 goto ret; 2467 } 2468 sc->sc_conf = value; 2469 break; 2470 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2471 break; 2472 case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2473 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2474 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2475 r = USBD_IOERROR; 2476 goto ret; 2477 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2478 break; 2479 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2480 break; 2481 /* Hub requests */ 2482 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2483 break; 2484 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2485 DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " 2486 "port=%d feature=%d\n", 2487 index, value)); 2488 if (index == 1) 2489 port = UHCI_PORTSC1; 2490 else if (index == 2) 2491 port = UHCI_PORTSC2; 2492 else { 2493 r = USBD_IOERROR; 2494 goto ret; 2495 } 2496 switch(value) { 2497 case UHF_PORT_ENABLE: 2498 x = UREAD2(sc, port); 2499 UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); 2500 break; 2501 case UHF_PORT_SUSPEND: 2502 x = UREAD2(sc, port); 2503 UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); 2504 break; 2505 case UHF_PORT_RESET: 2506 x = UREAD2(sc, port); 2507 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2508 break; 2509 case UHF_C_PORT_CONNECTION: 2510 x = UREAD2(sc, port); 2511 UWRITE2(sc, port, x | UHCI_PORTSC_CSC); 2512 break; 2513 case UHF_C_PORT_ENABLE: 2514 x = UREAD2(sc, port); 2515 UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); 2516 break; 2517 case UHF_C_PORT_OVER_CURRENT: 2518 x = UREAD2(sc, port); 2519 UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); 2520 break; 2521 case UHF_C_PORT_RESET: 2522 sc->sc_isreset = 0; 2523 r = USBD_NORMAL_COMPLETION; 2524 goto ret; 2525 case UHF_PORT_CONNECTION: 2526 case UHF_PORT_OVER_CURRENT: 2527 case UHF_PORT_POWER: 2528 case UHF_PORT_LOW_SPEED: 2529 case UHF_C_PORT_SUSPEND: 2530 default: 2531 r = USBD_IOERROR; 2532 goto ret; 2533 } 2534 break; 2535 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 2536 if (index == 1) 2537 port = UHCI_PORTSC1; 2538 else if (index == 2) 2539 port = UHCI_PORTSC2; 2540 else { 2541 r = USBD_IOERROR; 2542 goto ret; 2543 } 2544 if (len > 0) { 2545 *(u_int8_t *)buf = 2546 (UREAD2(sc, port) & UHCI_PORTSC_LS) >> 2547 UHCI_PORTSC_LS_SHIFT; 2548 totlen = 1; 2549 } 2550 break; 2551 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2552 if (value != 0) { 2553 r = USBD_IOERROR; 2554 goto ret; 2555 } 2556 l = min(len, USB_HUB_DESCRIPTOR_SIZE); 2557 totlen = l; 2558 memcpy(buf, &uhci_hubd_piix, l); 2559 break; 2560 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2561 if (len != 4) { 2562 r = USBD_IOERROR; 2563 goto ret; 2564 } 2565 memset(buf, 0, len); 2566 totlen = len; 2567 break; 2568 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2569 if (index == 1) 2570 port = UHCI_PORTSC1; 2571 else if (index == 2) 2572 port = UHCI_PORTSC2; 2573 else { 2574 r = USBD_IOERROR; 2575 goto ret; 2576 } 2577 if (len != 4) { 2578 r = USBD_IOERROR; 2579 goto ret; 2580 } 2581 x = UREAD2(sc, port); 2582 status = change = 0; 2583 if (x & UHCI_PORTSC_CCS ) 2584 status |= UPS_CURRENT_CONNECT_STATUS; 2585 if (x & UHCI_PORTSC_CSC ) 2586 change |= UPS_C_CONNECT_STATUS; 2587 if (x & UHCI_PORTSC_PE ) 2588 status |= UPS_PORT_ENABLED; 2589 if (x & UHCI_PORTSC_POEDC) 2590 change |= UPS_C_PORT_ENABLED; 2591 if (x & UHCI_PORTSC_OCI ) 2592 status |= UPS_OVERCURRENT_INDICATOR; 2593 if (x & UHCI_PORTSC_OCIC ) 2594 change |= UPS_C_OVERCURRENT_INDICATOR; 2595 if (x & UHCI_PORTSC_SUSP ) 2596 status |= UPS_SUSPEND; 2597 if (x & UHCI_PORTSC_LSDA ) 2598 status |= UPS_LOW_SPEED; 2599 status |= UPS_PORT_POWER; 2600 if (sc->sc_isreset) 2601 change |= UPS_C_PORT_RESET; 2602 USETW(ps.wPortStatus, status); 2603 USETW(ps.wPortChange, change); 2604 l = min(len, sizeof ps); 2605 memcpy(buf, &ps, l); 2606 totlen = l; 2607 break; 2608 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 2609 r = USBD_IOERROR; 2610 goto ret; 2611 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 2612 break; 2613 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 2614 if (index == 1) 2615 port = UHCI_PORTSC1; 2616 else if (index == 2) 2617 port = UHCI_PORTSC2; 2618 else { 2619 r = USBD_IOERROR; 2620 goto ret; 2621 } 2622 switch(value) { 2623 case UHF_PORT_ENABLE: 2624 x = UREAD2(sc, port); 2625 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2626 break; 2627 case UHF_PORT_SUSPEND: 2628 x = UREAD2(sc, port); 2629 UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); 2630 break; 2631 case UHF_PORT_RESET: 2632 x = UREAD2(sc, port); 2633 UWRITE2(sc, port, x | UHCI_PORTSC_PR); 2634 usb_delay_ms(&sc->sc_bus, 10); 2635 UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); 2636 delay(100); 2637 x = UREAD2(sc, port); 2638 UWRITE2(sc, port, x | UHCI_PORTSC_PE); 2639 delay(100); 2640 DPRINTFN(3,("uhci port %d reset, status = 0x%04x\n", 2641 index, UREAD2(sc, port))); 2642 sc->sc_isreset = 1; 2643 break; 2644 case UHF_C_PORT_CONNECTION: 2645 case UHF_C_PORT_ENABLE: 2646 case UHF_C_PORT_OVER_CURRENT: 2647 case UHF_PORT_CONNECTION: 2648 case UHF_PORT_OVER_CURRENT: 2649 case UHF_PORT_POWER: 2650 case UHF_PORT_LOW_SPEED: 2651 case UHF_C_PORT_SUSPEND: 2652 case UHF_C_PORT_RESET: 2653 default: 2654 r = USBD_IOERROR; 2655 goto ret; 2656 } 2657 break; 2658 default: 2659 r = USBD_IOERROR; 2660 goto ret; 2661 } 2662 reqh->actlen = totlen; 2663 r = USBD_NORMAL_COMPLETION; 2664 ret: 2665 reqh->status = r; 2666 reqh->hcpriv = 0; 2667 usb_transfer_complete(reqh); 2668 return (USBD_IN_PROGRESS); 2669 } 2670 2671 /* Abort a root control request. */ 2672 void 2673 uhci_root_ctrl_abort(reqh) 2674 usbd_request_handle reqh; 2675 { 2676 /* Nothing to do, all transfers are syncronous. */ 2677 } 2678 2679 /* Close the root pipe. */ 2680 void 2681 uhci_root_ctrl_close(pipe) 2682 usbd_pipe_handle pipe; 2683 { 2684 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2685 2686 sc->sc_has_timo = 0; 2687 DPRINTF(("uhci_root_ctrl_close\n")); 2688 } 2689 2690 /* Abort a root interrupt request. */ 2691 void 2692 uhci_root_intr_abort(reqh) 2693 usbd_request_handle reqh; 2694 { 2695 uhci_softc_t *sc = (uhci_softc_t *)reqh->pipe->device->bus; 2696 2697 usb_untimeout(uhci_timo, reqh, reqh->timo_handle); 2698 sc->sc_has_timo = 0; 2699 } 2700 2701 usbd_status 2702 uhci_root_intr_transfer(reqh) 2703 usbd_request_handle reqh; 2704 { 2705 int s; 2706 usbd_status r; 2707 2708 s = splusb(); 2709 r = usb_insert_transfer(reqh); 2710 splx(s); 2711 if (r != USBD_NORMAL_COMPLETION) 2712 return (r); 2713 else 2714 return (uhci_root_intr_start(reqh)); 2715 } 2716 2717 /* Start a transfer on the root interrupt pipe */ 2718 usbd_status 2719 uhci_root_intr_start(reqh) 2720 usbd_request_handle reqh; 2721 { 2722 usbd_pipe_handle pipe = reqh->pipe; 2723 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2724 struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; 2725 usb_dma_t *dmap; 2726 usbd_status r; 2727 int len; 2728 2729 DPRINTFN(3, ("uhci_root_intr_transfer: reqh=%p buf=%p len=%d " 2730 "flags=%d\n", 2731 reqh, reqh->buffer, reqh->length, reqh->flags)); 2732 2733 len = reqh->length; 2734 dmap = &upipe->u.intr.datadma; 2735 if (len == 0) 2736 return (USBD_INVAL); /* XXX should it be? */ 2737 2738 r = usb_allocmem(sc->sc_dmatag, len, 0, dmap); 2739 if (r != USBD_NORMAL_COMPLETION) 2740 return (r); 2741 2742 sc->sc_ival = MS_TO_TICKS(reqh->pipe->endpoint->edesc->bInterval); 2743 usb_timeout(uhci_timo, reqh, sc->sc_ival, reqh->timo_handle); 2744 sc->sc_has_timo = reqh; 2745 return (USBD_IN_PROGRESS); 2746 } 2747 2748 /* Close the root interrupt pipe. */ 2749 void 2750 uhci_root_intr_close(pipe) 2751 usbd_pipe_handle pipe; 2752 { 2753 uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; 2754 2755 usb_untimeout(uhci_timo, pipe->intrreqh, pipe->intrreqh->timo_handle); 2756 sc->sc_has_timo = 0; 2757 DPRINTF(("uhci_root_intr_close\n")); 2758 } 2759 2760
Indexes created Tue Sep 30 20:09:53 GMT 2025