ahci.c revision 1.15.2.1
1 /* $NetBSD: ahci.c,v 1.15.2.1 2019/06/10 22:06:29 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or 8 * without modification, are permitted provided that the following 9 * conditions are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 3. The names of the authors may not be used to endorse or promote 17 * products derived from this software without specific prior 18 * written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY 21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 23 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 25 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 27 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 29 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31 * OF SUCH DAMAGE. 32 */ 33 /* 34 * Copyright (c) 2001 The NetBSD Foundation, Inc. 35 * All rights reserved. 36 * 37 * This code is derived from software contributed to The NetBSD Foundation 38 * by Tetsuya Isaki. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 50 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 51 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 52 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 53 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 54 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 55 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 56 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 57 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 58 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 59 * POSSIBILITY OF SUCH DAMAGE. 60 */ 61 62 /* 63 * !! HIGHLY EXPERIMENTAL CODE !! 64 */ 65 66 #include <sys/cdefs.h> 67 __KERNEL_RCSID(0, "$NetBSD: ahci.c,v 1.15.2.1 2019/06/10 22:06:29 christos Exp $"); 68 69 #include <sys/param.h> 70 #include <sys/systm.h> 71 #include <sys/kernel.h> 72 #include <sys/proc.h> 73 #include <sys/device.h> 74 #include <sys/kmem.h> 75 76 #include <sys/bus.h> 77 #include <machine/cpu.h> 78 79 #include <dev/usb/usb.h> 80 #include <dev/usb/usbdi.h> 81 #include <dev/usb/usbdivar.h> 82 #include <dev/usb/usb_mem.h> 83 #include <dev/usb/usbdevs.h> 84 #include <dev/usb/usbroothub.h> 85 86 #include <mips/adm5120/include/adm5120reg.h> 87 #include <mips/adm5120/include/adm5120var.h> 88 #include <mips/adm5120/include/adm5120_obiovar.h> 89 90 #include <mips/adm5120/dev/ahcireg.h> 91 #include <mips/adm5120/dev/ahcivar.h> 92 93 static usbd_status ahci_open(struct usbd_pipe *); 94 static void ahci_softintr(void *); 95 static void ahci_poll(struct usbd_bus *); 96 static void ahci_poll_hub(void *); 97 static void ahci_poll_device(void *arg); 98 static struct usbd_xfer * 99 ahci_allocx(struct usbd_bus *, unsigned int); 100 static void ahci_freex(struct usbd_bus *, struct usbd_xfer *); 101 102 static void ahci_get_lock(struct usbd_bus *, kmutex_t **); 103 static int ahci_roothub_ctrl(struct usbd_bus *, usb_device_request_t *, 104 void *, int); 105 106 static usbd_status ahci_root_intr_transfer(struct usbd_xfer *); 107 static usbd_status ahci_root_intr_start(struct usbd_xfer *); 108 static void ahci_root_intr_abort(struct usbd_xfer *); 109 static void ahci_root_intr_close(struct usbd_pipe *); 110 static void ahci_root_intr_done(struct usbd_xfer *); 111 112 static usbd_status ahci_device_ctrl_transfer(struct usbd_xfer *); 113 static usbd_status ahci_device_ctrl_start(struct usbd_xfer *); 114 static void ahci_device_ctrl_abort(struct usbd_xfer *); 115 static void ahci_device_ctrl_close(struct usbd_pipe *); 116 static void ahci_device_ctrl_done(struct usbd_xfer *); 117 118 static usbd_status ahci_device_intr_transfer(struct usbd_xfer *); 119 static usbd_status ahci_device_intr_start(struct usbd_xfer *); 120 static void ahci_device_intr_abort(struct usbd_xfer *); 121 static void ahci_device_intr_close(struct usbd_pipe *); 122 static void ahci_device_intr_done(struct usbd_xfer *); 123 124 static usbd_status ahci_device_isoc_transfer(struct usbd_xfer *); 125 static usbd_status ahci_device_isoc_start(struct usbd_xfer *); 126 static void ahci_device_isoc_abort(struct usbd_xfer *); 127 static void ahci_device_isoc_close(struct usbd_pipe *); 128 static void ahci_device_isoc_done(struct usbd_xfer *); 129 130 static usbd_status ahci_device_bulk_transfer(struct usbd_xfer *); 131 static usbd_status ahci_device_bulk_start(struct usbd_xfer *); 132 static void ahci_device_bulk_abort(struct usbd_xfer *); 133 static void ahci_device_bulk_close(struct usbd_pipe *); 134 static void ahci_device_bulk_done(struct usbd_xfer *); 135 136 static int ahci_transaction(struct ahci_softc *, 137 struct usbd_pipe *, uint8_t, int, u_char *, uint8_t); 138 static void ahci_noop(struct usbd_pipe *); 139 static void ahci_abort_xfer(struct usbd_xfer *, usbd_status); 140 static void ahci_device_clear_toggle(struct usbd_pipe *); 141 142 extern int usbdebug; 143 extern int uhubdebug; 144 extern int umassdebug; 145 int ahci_dummy; 146 147 #define AHCI_DEBUG 148 149 #ifdef AHCI_DEBUG 150 #define D_TRACE (0x0001) /* function trace */ 151 #define D_MSG (0x0002) /* debug messages */ 152 #define D_XFER (0x0004) /* transfer messages (noisy!) */ 153 #define D_MEM (0x0008) /* memory allocation */ 154 155 int ahci_debug = 0; 156 #define DPRINTF(z,x) if((ahci_debug&(z))!=0)printf x 157 void print_req(usb_device_request_t *); 158 void print_req_hub(usb_device_request_t *); 159 void print_dumpreg(struct ahci_softc *); 160 void print_xfer(struct usbd_xfer *); 161 #else 162 #define DPRINTF(z,x) 163 #endif 164 165 166 struct usbd_bus_methods ahci_bus_methods = { 167 .ubm_open = ahci_open, 168 .ubm_softint = ahci_softintr, 169 .ubm_dopoll = ahci_poll, 170 .ubm_allocx = ahci_allocx, 171 .ubm_freex = ahci_freex, 172 .ubm_getlock = ahci_get_lock, 173 .ubm_rhctrl = ahci_roothub_ctrl, 174 }; 175 176 struct usbd_pipe_methods ahci_root_intr_methods = { 177 .upm_transfer = ahci_root_intr_transfer, 178 .upm_start = ahci_root_intr_start, 179 .upm_abort = ahci_root_intr_abort, 180 .upm_close = ahci_root_intr_close, 181 .upm_cleartoggle = ahci_noop, 182 .upm_done = ahci_root_intr_done, 183 }; 184 185 struct usbd_pipe_methods ahci_device_ctrl_methods = { 186 .upm_transfer = ahci_device_ctrl_transfer, 187 .upm_start = ahci_device_ctrl_start, 188 .upm_abort = ahci_device_ctrl_abort, 189 .upm_close = ahci_device_ctrl_close, 190 .upm_cleartoggle = ahci_noop, 191 .upm_done = ahci_device_ctrl_done, 192 }; 193 194 struct usbd_pipe_methods ahci_device_intr_methods = { 195 .upm_transfer = ahci_device_intr_transfer, 196 .upm_start = ahci_device_intr_start, 197 .upm_abort = ahci_device_intr_abort, 198 .upm_close = ahci_device_intr_close, 199 .upm_cleartoggle = ahci_device_clear_toggle, 200 .upm_done = ahci_device_intr_done, 201 }; 202 203 struct usbd_pipe_methods ahci_device_isoc_methods = { 204 .upm_transfer = ahci_device_isoc_transfer, 205 .upm_start = ahci_device_isoc_start, 206 .upm_abort = ahci_device_isoc_abort, 207 .upm_close = ahci_device_isoc_close, 208 .upm_cleartoggle = ahci_noop, 209 .upm_done = ahci_device_isoc_done, 210 }; 211 212 struct usbd_pipe_methods ahci_device_bulk_methods = { 213 .upm_transfer = ahci_device_bulk_transfer, 214 .upm_start = ahci_device_bulk_start, 215 .upm_abort = ahci_device_bulk_abort, 216 .upm_close = ahci_device_bulk_close, 217 .upm_cleartoggle = ahci_device_clear_toggle, 218 .upm_done = ahci_device_bulk_done, 219 }; 220 221 struct ahci_pipe { 222 struct usbd_pipe pipe; 223 uint32_t toggle; 224 }; 225 226 static int ahci_match(device_t, cfdata_t, void *); 227 static void ahci_attach(device_t, device_t, void *); 228 229 CFATTACH_DECL_NEW(ahci, sizeof(struct ahci_softc), 230 ahci_match, ahci_attach, NULL, NULL); 231 232 static int 233 ahci_match(device_t parent, struct cfdata *cf, void *aux) 234 { 235 struct obio_attach_args *aa = aux; 236 237 if (strcmp(aa->oba_name, cf->cf_name) == 0) 238 return 1; 239 240 return 0; 241 } 242 243 #define REG_READ(o) bus_space_read_4(sc->sc_st, sc->sc_ioh, (o)) 244 #define REG_WRITE(o,v) bus_space_write_4(sc->sc_st, sc->sc_ioh, (o),(v)) 245 246 /* 247 * Attach SL11H/SL811HS. Return 0 if success. 248 */ 249 void 250 ahci_attach(device_t parent, device_t self, void *aux) 251 { 252 struct obio_attach_args *aa = aux; 253 struct ahci_softc *sc = device_private(self); 254 255 printf("\n"); 256 sc->sc_dmat = aa->oba_dt; 257 sc->sc_st = aa->oba_st; 258 259 /* Initialize sc */ 260 sc->sc_bus.ub_revision = USBREV_1_1; 261 sc->sc_bus.ub_methods = &ahci_bus_methods; 262 sc->sc_bus.ub_pipesize = sizeof(struct ahci_pipe); 263 sc->sc_bus.ub_dmatag = sc->sc_dmat; 264 sc->sc_bus.ub_usedma = true; 265 266 /* Map the device. */ 267 if (bus_space_map(sc->sc_st, aa->oba_addr, 268 512, 0, &sc->sc_ioh) != 0) { 269 aprint_error_dev(self, "unable to map device\n"); 270 return; 271 } 272 273 /* Hook up the interrupt handler. */ 274 sc->sc_ih = adm5120_intr_establish(aa->oba_irq, INTR_IRQ, ahci_intr, sc); 275 276 if (sc->sc_ih == NULL) { 277 aprint_error_dev(self, 278 "unable to register interrupt handler\n"); 279 return; 280 } 281 282 SIMPLEQ_INIT(&sc->sc_free_xfers); 283 284 callout_init(&sc->sc_poll_handle, 0); 285 286 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_SOFTUSB); 287 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED /* XXXNH */); 288 289 REG_WRITE(ADMHCD_REG_INTENABLE, 0); /* disable interrupts */ 290 REG_WRITE(ADMHCD_REG_CONTROL, ADMHCD_SW_RESET); /* reset */ 291 delay_ms(10); 292 while (REG_READ(ADMHCD_REG_CONTROL) & ADMHCD_SW_RESET) 293 delay_ms(1); 294 295 REG_WRITE(ADMHCD_REG_CONTROL, ADMHCD_HOST_EN); 296 REG_WRITE(ADMHCD_REG_HOSTHEAD, 0x00000000); 297 REG_WRITE(ADMHCD_REG_FMINTERVAL, 0x20002edf); 298 REG_WRITE(ADMHCD_REG_LSTHRESH, 0x628); 299 REG_WRITE(ADMHCD_REG_RHDESCR, ADMHCD_NPS | ADMHCD_LPSC); 300 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP); 301 302 REG_WRITE(ADMHCD_REG_INTENABLE, 0); /* XXX: enable interrupts */ 303 304 #ifdef USB_DEBUG 305 /* usbdebug = 0x7f; 306 uhubdebug = 0x7f; 307 umassdebug = 0xffffffff; */ 308 #endif 309 310 /* Attach USB devices */ 311 sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint); 312 313 } 314 315 int 316 ahci_intr(void *arg) 317 { 318 #if 0 319 struct ahci_softc *sc = arg; 320 uint8_t r; 321 #ifdef AHCI_DEBUG 322 char bitbuf[256]; 323 #endif 324 325 r = sl11read(sc, SL11_ISR); 326 327 sl11write(sc, SL11_ISR, SL11_ISR_DATA | SL11_ISR_SOFTIMER); 328 329 if ((r & SL11_ISR_RESET)) { 330 sc->sc_flags |= AHCDF_RESET; 331 sl11write(sc, SL11_ISR, SL11_ISR_RESET); 332 } 333 if ((r & SL11_ISR_INSERT)) { 334 sc->sc_flags |= AHCDF_INSERT; 335 sl11write(sc, SL11_ISR, SL11_ISR_INSERT); 336 } 337 338 #ifdef AHCI_DEBUG 339 snprintb(bitbuf, sizeof(bitbuf), 340 ((sl11read(sc, SL11_CTRL) & SL11_CTRL_SUSPEND) 341 ? "\20\x8""D+\7RESUME\6INSERT\5SOF\4res\3""BABBLE\2USBB\1USBA" 342 : "\20\x8""D+\7RESET\6INSERT\5SOF\4res\3""BABBLE\2USBB\1USBA"), 343 r); 344 345 DPRINTF(D_XFER, ("I=%s ", bitbuf)); 346 #endif /* AHCI_DEBUG */ 347 #endif 348 349 return 0; 350 } 351 352 usbd_status 353 ahci_open(struct usbd_pipe *pipe) 354 { 355 struct usbd_device *dev = pipe->up_dev; 356 struct ahci_pipe *apipe = (struct ahci_pipe *)pipe; 357 usb_endpoint_descriptor_t *ed = pipe->up_endpoint->ue_edesc; 358 uint8_t rhaddr = dev->ud_bus->ub_rhaddr; 359 360 DPRINTF(D_TRACE, ("ahci_open(addr=%d,ep=%d,scaddr=%d)", 361 dev->ud_addr, ed->bEndpointAddress, rhaddr)); 362 363 apipe->toggle=0; 364 365 if (dev->ud_addr == rhaddr) { 366 switch (ed->bEndpointAddress) { 367 case USB_CONTROL_ENDPOINT: 368 pipe->up_methods = &roothub_ctrl_methods; 369 break; 370 case UE_DIR_IN | USBROOTHUB_INTR_ENDPT: 371 pipe->up_methods = &ahci_root_intr_methods; 372 break; 373 default: 374 printf("open:endpointErr!\n"); 375 return USBD_INVAL; 376 } 377 } else { 378 switch (ed->bmAttributes & UE_XFERTYPE) { 379 case UE_CONTROL: 380 DPRINTF(D_MSG, ("control ")); 381 pipe->up_methods = &ahci_device_ctrl_methods; 382 break; 383 case UE_INTERRUPT: 384 DPRINTF(D_MSG, ("interrupt ")); 385 pipe->up_methods = &ahci_device_intr_methods; 386 break; 387 case UE_ISOCHRONOUS: 388 DPRINTF(D_MSG, ("isochronous ")); 389 pipe->up_methods = &ahci_device_isoc_methods; 390 break; 391 case UE_BULK: 392 DPRINTF(D_MSG, ("bluk ")); 393 pipe->up_methods = &ahci_device_bulk_methods; 394 break; 395 } 396 } 397 return USBD_NORMAL_COMPLETION; 398 } 399 400 void 401 ahci_softintr(void *arg) 402 { 403 DPRINTF(D_TRACE, ("%s()", __func__)); 404 } 405 406 void 407 ahci_poll(struct usbd_bus *bus) 408 { 409 DPRINTF(D_TRACE, ("%s()", __func__)); 410 } 411 412 #define AHCI_BUS2SC(bus) ((bus)->ub_hcpriv) 413 #define AHCI_PIPE2SC(pipe) AHCI_BUS2SC((pipe)->up_dev->ud_bus) 414 #define AHCI_XFER2SC(xfer) AHCI_BUS2SC((xfer)->ux_bus) 415 #define AHCI_APIPE2SC(ap) AHCI_BUS2SC((d)->pipe.up_dev->ud_bus) 416 417 /* 418 * Emulation of interrupt transfer for status change endpoint 419 * of root hub. 420 */ 421 void 422 ahci_poll_hub(void *arg) 423 { 424 struct usbd_xfer *xfer = arg; 425 struct ahci_softc *sc = AHCI_XFER2SC(xfer); 426 u_char *p; 427 static int p0_state=0; 428 static int p1_state=0; 429 430 callout_reset(&sc->sc_poll_handle, sc->sc_interval, ahci_poll_hub, xfer); 431 432 /* USB spec 11.13.3 (p.260) */ 433 p = KERNADDR(&xfer->ux_dmabuf, 0); 434 p[0] = 0; 435 if ((REG_READ(ADMHCD_REG_PORTSTATUS0) & ADMHCD_CCS) != p0_state) { 436 p[0] = 2; 437 DPRINTF(D_TRACE, ("!")); 438 p0_state=(REG_READ(ADMHCD_REG_PORTSTATUS0) & ADMHCD_CCS); 439 }; 440 if ((REG_READ(ADMHCD_REG_PORTSTATUS1) & ADMHCD_CCS) != p1_state) { 441 p[0] = 2; 442 DPRINTF(D_TRACE, ("@")); 443 p1_state=(REG_READ(ADMHCD_REG_PORTSTATUS1) & ADMHCD_CCS); 444 }; 445 446 /* no change, return NAK */ 447 if (p[0] == 0) 448 return; 449 450 xfer->ux_actlen = 1; 451 xfer->ux_status = USBD_NORMAL_COMPLETION; 452 mutex_enter(&sc->sc_lock); 453 usb_transfer_complete(xfer); 454 mutex_exit(&sc->sc_lock); 455 } 456 457 struct usbd_xfer * 458 ahci_allocx(struct usbd_bus *bus, unsigned int nframes) 459 { 460 struct ahci_softc *sc = AHCI_BUS2SC(bus); 461 struct usbd_xfer *xfer; 462 463 DPRINTF(D_MEM, ("SLallocx")); 464 465 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); 466 if (xfer) { 467 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, ux_next); 468 #ifdef DIAGNOSTIC 469 if (xfer->ux_state != XFER_FREE) { 470 printf("ahci_allocx: xfer=%p not free, 0x%08x\n", 471 xfer, xfer->ux_state); 472 } 473 #endif 474 } else { 475 xfer = kmem_alloc(sizeof(*xfer), KM_SLEEP); 476 } 477 478 memset(xfer, 0, sizeof(*xfer)); 479 #ifdef DIAGNOSTIC 480 xfer->ux_state = XFER_BUSY; 481 #endif 482 483 return xfer; 484 } 485 486 void 487 ahci_freex(struct usbd_bus *bus, struct usbd_xfer *xfer) 488 { 489 struct ahci_softc *sc = AHCI_BUS2SC(bus); 490 491 DPRINTF(D_MEM, ("SLfreex")); 492 493 #ifdef DIAGNOSTIC 494 if (xfer->ux_state != XFER_BUSY && 495 xfer->ux_status != USBD_NOT_STARTED) { 496 printf("ahci_freex: xfer=%p not busy, 0x%08x\n", 497 xfer, xfer->ux_state); 498 return; 499 } 500 xfer->ux_state = XFER_FREE; 501 #endif 502 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, ux_next); 503 } 504 505 static void 506 ahci_get_lock(struct usbd_bus *bus, kmutex_t **lock) 507 { 508 struct ahci_softc *sc = AHCI_BUS2SC(bus); 509 510 *lock = &sc->sc_lock; 511 } 512 513 void 514 ahci_noop(struct usbd_pipe *pipe) 515 { 516 DPRINTF(D_TRACE, ("%s()", __func__)); 517 } 518 519 /* 520 * Data structures and routines to emulate the root hub. 521 */ 522 523 static int 524 ahci_roothub_ctrl(struct usbd_bus *bus, usb_device_request_t *req, 525 void *buf, int buflen) 526 { 527 struct ahci_softc *sc = AHCI_BUS2SC(bus); 528 uint16_t len, value, index; 529 usb_port_status_t ps; 530 int totlen = 0; 531 int status; 532 533 DPRINTF(D_TRACE, ("SLRCstart ")); 534 535 len = UGETW(req->wLength); 536 value = UGETW(req->wValue); 537 index = UGETW(req->wIndex); 538 539 #define C(x,y) ((x) | ((y) << 8)) 540 switch (C(req->bRequest, req->bmRequestType)) { 541 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 542 switch (value) { 543 #define sd ((usb_string_descriptor_t *)buf) 544 case C(2, UDESC_STRING): 545 /* Product */ 546 totlen = usb_makestrdesc(sd, len, "ADM5120 root hub"); 547 break; 548 default: 549 printf("unknownGetDescriptor=%x", value); 550 /* FALLTHROUGH */ 551 case C(0, UDESC_DEVICE): 552 case C(1, UDESC_STRING): 553 /* default from usbroothub */ 554 return buflen; 555 } 556 break; 557 /* 558 * Hub specific requests 559 */ 560 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 561 /* Clear Hub Feature, 11.16.2.1, not supported */ 562 DPRINTF(D_MSG, ("ClearHubFeature not supported\n")); 563 break; 564 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 565 566 #define WPS(x) REG_WRITE(ADMHCD_REG_PORTSTATUS0+(index-1)*4, (x)) 567 /* Clear Port Feature, 11.16.2.2 */ 568 if (index != 1 && index != 2 ) { 569 return -1; 570 } 571 switch (value) { 572 case UHF_PORT_POWER: 573 DPRINTF(D_MSG, ("POWER_OFF ")); 574 WPS(ADMHCD_LSDA); 575 break; 576 case UHF_PORT_SUSPEND: 577 DPRINTF(D_MSG, ("SUSPEND ")); 578 WPS(ADMHCD_POCI); 579 break; 580 case UHF_PORT_ENABLE: 581 DPRINTF(D_MSG, ("ENABLE ")); 582 WPS(ADMHCD_CCS); 583 break; 584 case UHF_C_PORT_CONNECTION: 585 WPS(ADMHCD_CSC); 586 break; 587 case UHF_C_PORT_RESET: 588 WPS(ADMHCD_PRSC); 589 break; 590 case UHF_C_PORT_SUSPEND: 591 WPS(ADMHCD_PSSC); 592 break; 593 case UHF_C_PORT_ENABLE: 594 WPS(ADMHCD_PESC); 595 break; 596 case UHF_C_PORT_OVER_CURRENT: 597 WPS(ADMHCD_OCIC); 598 break; 599 default: 600 printf("ClrPortFeatERR:value=0x%x ", value); 601 return -1; 602 } 603 //DPRINTF(D_XFER, ("CH=%04x ", sc->sc_change)); 604 #undef WPS 605 break; 606 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): 607 /* Get Bus State, 11.16.2.3, not supported */ 608 /* shall return a STALL... */ 609 break; 610 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 611 /* Get Hub Descriptor, 11.16.2.4 */ 612 DPRINTF(D_MSG, ("UR_GET_DESCRIPTOR RCD")); 613 if ((value&0xff) != 0) { 614 return -1; 615 } 616 usb_hub_descriptor_t hubd; 617 618 totlen = uimin(buflen, sizeof(hubd)); 619 memcpy(&hubd, buf, totlen); 620 hubd.bNbrPorts = 2; 621 USETW(hubd.wHubCharacteristics, 0); 622 hubd.bPwrOn2PwrGood = 0; 623 memcpy(buf, &hubd, totlen); 624 break; 625 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 626 /* Get Hub Status, 11.16.2.5 */ 627 DPRINTF(D_MSG, ("UR_GET_STATUS RCD")); 628 if (len != 4) { 629 return -1; 630 } 631 memset(buf, 0, len); 632 totlen = len; 633 break; 634 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 635 /* Get Port Status, 11.16.2.6 */ 636 if ((index != 1 && index != 2) || len != 4) { 637 printf("index=%d,len=%d ", index, len); 638 return -1; 639 } 640 status = REG_READ(ADMHCD_REG_PORTSTATUS0+(index-1)*4); 641 DPRINTF(D_MSG, ("UR_GET_STATUS RCO=%x ", status)); 642 643 //DPRINTF(D_XFER, ("ST=%04x,CH=%04x ", status, sc->sc_change)); 644 USETW(ps.wPortStatus, status & (UPS_CURRENT_CONNECT_STATUS|UPS_PORT_ENABLED|UPS_SUSPEND|UPS_OVERCURRENT_INDICATOR|UPS_RESET|UPS_PORT_POWER|UPS_LOW_SPEED)); 645 USETW(ps.wPortChange, (status>>16) & (UPS_C_CONNECT_STATUS|UPS_C_PORT_ENABLED|UPS_C_SUSPEND|UPS_C_OVERCURRENT_INDICATOR|UPS_C_PORT_RESET)); 646 totlen = uimin(len, sizeof(ps)); 647 memcpy(buf, &ps, totlen); 648 break; 649 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 650 /* Set Hub Descriptor, 11.16.2.7, not supported */ 651 /* STALL ? */ 652 return -1; 653 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 654 /* Set Hub Feature, 11.16.2.8, not supported */ 655 break; 656 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 657 #define WPS(x) REG_WRITE(ADMHCD_REG_PORTSTATUS0+(index-1)*4, (x)) 658 /* Set Port Feature, 11.16.2.9 */ 659 if ((index != 1) && (index !=2)) { 660 printf("index=%d ", index); 661 return -1; 662 } 663 switch (value) { 664 case UHF_PORT_RESET: 665 DPRINTF(D_MSG, ("PORT_RESET ")); 666 WPS(ADMHCD_PRS); 667 break; 668 case UHF_PORT_POWER: 669 DPRINTF(D_MSG, ("PORT_POWER ")); 670 WPS(ADMHCD_PPS); 671 break; 672 case UHF_PORT_ENABLE: 673 DPRINTF(D_MSG, ("PORT_ENABLE ")); 674 WPS(ADMHCD_PES); 675 break; 676 default: 677 printf("SetPortFeatERR=0x%x ", value); 678 return -1; 679 } 680 #undef WPS 681 break; 682 default: 683 DPRINTF(D_MSG, ("ioerr(UR=%02x,UT=%02x) ", 684 req->bRequest, req->bmRequestType)); 685 /* default from usbroothub */ 686 return buflen; 687 } 688 689 return totlen; 690 } 691 692 static usbd_status 693 ahci_root_intr_transfer(struct usbd_xfer *xfer) 694 { 695 struct ahci_softc *sc = AHCI_XFER2SC(xfer); 696 usbd_status error; 697 698 DPRINTF(D_TRACE, ("SLRItransfer ")); 699 700 /* Insert last in queue */ 701 mutex_enter(&sc->sc_lock); 702 error = usb_insert_transfer(xfer); 703 mutex_exit(&sc->sc_lock); 704 if (error) 705 return error; 706 707 /* 708 * Pipe isn't running (otherwise error would be USBD_INPROG), 709 * start first. 710 */ 711 return ahci_root_intr_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue)); 712 } 713 714 static usbd_status 715 ahci_root_intr_start(struct usbd_xfer *xfer) 716 { 717 struct ahci_softc *sc = AHCI_XFER2SC(xfer); 718 719 DPRINTF(D_TRACE, ("SLRIstart ")); 720 721 sc->sc_interval = MS_TO_TICKS(xfer->ux_pipe->up_endpoint->ue_edesc->bInterval); 722 callout_reset(&sc->sc_poll_handle, sc->sc_interval, ahci_poll_hub, xfer); 723 sc->sc_intr_xfer = xfer; 724 return USBD_IN_PROGRESS; 725 } 726 727 static void 728 ahci_root_intr_abort(struct usbd_xfer *xfer) 729 { 730 DPRINTF(D_TRACE, ("SLRIabort ")); 731 } 732 733 static void 734 ahci_root_intr_close(struct usbd_pipe *pipe) 735 { 736 struct ahci_softc *sc = AHCI_PIPE2SC(pipe); 737 738 DPRINTF(D_TRACE, ("SLRIclose ")); 739 740 callout_stop(&sc->sc_poll_handle); 741 sc->sc_intr_xfer = NULL; 742 } 743 744 static void 745 ahci_root_intr_done(struct usbd_xfer *xfer) 746 { 747 //DPRINTF(D_XFER, ("RIdn ")); 748 } 749 750 static usbd_status 751 ahci_device_ctrl_transfer(struct usbd_xfer *xfer) 752 { 753 struct ahci_softc *sc = AHCI_XFER2SC(xfer); 754 usbd_status error; 755 756 DPRINTF(D_TRACE, ("C")); 757 758 mutex_enter(&sc->sc_lock); 759 error = usb_insert_transfer(xfer); 760 mutex_exit(&sc->sc_lock); 761 if (error) 762 return error; 763 764 return ahci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue)); 765 } 766 767 static usbd_status 768 ahci_device_ctrl_start(struct usbd_xfer *xfer) 769 { 770 usbd_status status = USBD_NORMAL_COMPLETION; 771 int s, err; 772 static struct admhcd_ed ep_v __attribute__((aligned(16))), *ep; 773 static struct admhcd_td td_v[4] __attribute__((aligned(16))), *td, *td1, *td2, *td3; 774 static usb_dma_t reqdma; 775 struct usbd_pipe *pipe = xfer->ux_pipe; 776 usb_device_request_t *req = &xfer->ux_request; 777 struct ahci_softc *sc = AHCI_XFER2SC(xfer); 778 int len, isread; 779 780 781 #if 0 782 struct ahci_pipe *apipe = (struct ahci_pipe *)xfer->ux_pipe; 783 #endif 784 mutex_enter(&sc->sc_lock); 785 /* printf("ctrl_start>>>\n"); */ 786 787 #ifdef DIAGNOSTIC 788 if (!(xfer->ux_rqflags & URQ_REQUEST)) { 789 /* XXX panic */ 790 printf("ahci_device_ctrl_transfer: not a request\n"); 791 return USBD_INVAL; 792 } 793 #endif 794 795 #define KSEG1ADDR(x) (0xa0000000 | (((uint32_t)x) & 0x1fffffff)) 796 DPRINTF(D_TRACE, ("st ")); 797 if (!ep) { 798 ep = (struct admhcd_ed *)KSEG1ADDR(&ep_v); 799 td = (struct admhcd_td *)KSEG1ADDR(&td_v[0]); 800 td1 = (struct admhcd_td *)KSEG1ADDR(&td_v[1]); 801 td2 = (struct admhcd_td *)KSEG1ADDR(&td_v[2]); 802 td3 = (struct admhcd_td *)KSEG1ADDR(&td_v[3]); 803 err = usb_allocmem(&sc->sc_bus, 804 sizeof(usb_device_request_t), 805 0, &reqdma); 806 if (err) 807 return USBD_NOMEM; 808 809 /* printf("ep: %p\n",ep); */ 810 }; 811 812 ep->control = pipe->up_dev->ud_addr | \ 813 ((pipe->up_dev->ud_speed==USB_SPEED_FULL)?ADMHCD_ED_SPEED:0) | \ 814 ((UGETW(pipe->up_endpoint->ue_edesc->wMaxPacketSize))<<ADMHCD_ED_MAXSHIFT); 815 memcpy(KERNADDR(&reqdma, 0), req, sizeof *req); 816 /* printf("status: %x\n",REG_READ(ADMHCD_REG_PORTSTATUS0)); 817 printf("ep_control: %x\n",ep->control); 818 printf("speed: %x\n",pipe->up_dev->ud_speed); 819 printf("req: %p\n",req); 820 printf("dmabuf: %p\n",xfer->ux_dmabuf.block); */ 821 822 isread = req->bmRequestType & UT_READ; 823 len = UGETW(req->wLength); 824 825 ep->next = ep; 826 827 td->buffer = DMAADDR(&reqdma,0) | 0xa0000000; 828 td->buflen=sizeof(*req); 829 td->control=ADMHCD_TD_SETUP | ADMHCD_TD_DATA0 | ADMHCD_TD_OWN; 830 831 if (len) { 832 td->next = td1; 833 834 td1->buffer = DMAADDR(&xfer->ux_dmabuf,0) | 0xa0000000; 835 td1->buflen = len; 836 td1->next = td2; 837 td1->control= (isread?ADMHCD_TD_IN:ADMHCD_TD_OUT) | ADMHCD_TD_DATA1 | ADMHCD_TD_R | ADMHCD_TD_OWN; 838 } else { 839 td1->control = 0; 840 td->next = td2; 841 }; 842 843 td2->buffer = 0; 844 td2->buflen= 0; 845 td2->next = td3; 846 td2->control = (isread?ADMHCD_TD_OUT:ADMHCD_TD_IN) | ADMHCD_TD_DATA1 | ADMHCD_TD_OWN; 847 848 td3->buffer = 0; 849 td3->buflen= 0; 850 td3->next = 0; 851 td3->control = 0; 852 853 ep->head = td; 854 ep->tail = td3; 855 /* 856 printf("ep: %p\n",ep); 857 printf("ep->next: %p\n",ep->next); 858 printf("ep->head: %p\n",ep->head); 859 printf("ep->tail: %p\n",ep->tail); 860 printf("td: %p\n",td); 861 printf("td->next: %p\n",td->next); 862 printf("td->buffer: %x\n",td->buffer); 863 printf("td->buflen: %x\n",td->buflen); 864 printf("td1: %p\n",td1); 865 printf("td1->next: %p\n",td1->next); 866 printf("td2: %p\n",td2); 867 printf("td2->next: %p\n",td2->next); 868 printf("td3: %p\n",td3); 869 printf("td3->next: %p\n",td3->next); 870 */ 871 872 REG_WRITE(ADMHCD_REG_HOSTHEAD, (uint32_t)ep); 873 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP | ADMHCD_DMA_EN); 874 /* printf("1: %x %x %x %x\n", ep->control, td->control, td1->control, td2->control); */ 875 s=100; 876 while (s--) { 877 delay_ms(10); 878 /* printf("%x %x %x %x\n", ep->control, td->control, td1->control, td2->control);*/ 879 status = USBD_TIMEOUT; 880 if (td->control & ADMHCD_TD_OWN) continue; 881 882 err = (td->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT; 883 if (err) { 884 status = USBD_IOERROR; 885 break; 886 }; 887 888 status = USBD_TIMEOUT; 889 if (td1->control & ADMHCD_TD_OWN) continue; 890 err = (td1->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT; 891 if (err) { 892 status = USBD_IOERROR; 893 break; 894 }; 895 896 status = USBD_TIMEOUT; 897 if (td2->control & ADMHCD_TD_OWN) continue; 898 err = (td2->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT; 899 if (err) { 900 status = USBD_IOERROR; 901 }; 902 status = USBD_NORMAL_COMPLETION; 903 break; 904 905 }; 906 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP); 907 908 xfer->ux_actlen = len; 909 xfer->ux_status = status; 910 911 /* printf("ctrl_start<<<\n"); */ 912 913 usb_transfer_complete(xfer); 914 mutex_exit(&sc->sc_lock); 915 return USBD_NORMAL_COMPLETION; 916 } 917 918 static void 919 ahci_device_ctrl_abort(struct usbd_xfer *xfer) 920 { 921 DPRINTF(D_TRACE, ("Cab ")); 922 ahci_abort_xfer(xfer, USBD_CANCELLED); 923 } 924 925 static void 926 ahci_device_ctrl_close(struct usbd_pipe *pipe) 927 { 928 DPRINTF(D_TRACE, ("Ccl ")); 929 } 930 931 static void 932 ahci_device_ctrl_done(struct usbd_xfer *xfer) 933 { 934 DPRINTF(D_TRACE, ("Cdn ")); 935 } 936 937 static usbd_status 938 ahci_device_intr_transfer(struct usbd_xfer *xfer) 939 { 940 struct ahci_softc *sc = AHCI_XFER2SC(xfer); 941 usbd_status error; 942 943 DPRINTF(D_TRACE, ("INTRtrans ")); 944 945 mutex_enter(&sc->sc_lock); 946 error = usb_insert_transfer(xfer); 947 mutex_exit(&sc->sc_lock); 948 if (error) 949 return error; 950 951 return ahci_device_intr_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue)); 952 } 953 954 static usbd_status 955 ahci_device_intr_start(struct usbd_xfer *xfer) 956 { 957 struct usbd_pipe *pipe = xfer->ux_pipe; 958 struct ahci_xfer *sx; 959 960 DPRINTF(D_TRACE, ("INTRstart ")); 961 962 sx = kmem_intr_alloc(sizeof(*sx), KM_NOSLEEP); 963 if (sx == NULL) 964 goto reterr; 965 memset(sx, 0, sizeof(*sx)); 966 sx->sx_xfer = xfer; 967 xfer->ux_hcpriv = sx; 968 969 /* initialize callout */ 970 callout_init(&sx->sx_callout_t, 0); 971 callout_reset(&sx->sx_callout_t, 972 MS_TO_TICKS(pipe->up_endpoint->ue_edesc->bInterval), 973 ahci_poll_device, sx); 974 975 /* ACK */ 976 return USBD_IN_PROGRESS; 977 978 reterr: 979 return USBD_IOERROR; 980 } 981 982 static void 983 ahci_poll_device(void *arg) 984 { 985 struct ahci_xfer *sx = (struct ahci_xfer *)arg; 986 struct usbd_xfer *xfer = sx->sx_xfer; 987 struct usbd_pipe *pipe = xfer->ux_pipe; 988 struct ahci_softc *sc = AHCI_XFER2SC(xfer); 989 void *buf; 990 int pid; 991 int r; 992 993 DPRINTF(D_TRACE, ("pldev")); 994 995 callout_reset(&sx->sx_callout_t, 996 MS_TO_TICKS(pipe->up_endpoint->ue_edesc->bInterval), 997 ahci_poll_device, sx); 998 999 /* interrupt transfer */ 1000 pid = (UE_GET_DIR(pipe->up_endpoint->ue_edesc->bEndpointAddress) == UE_DIR_IN) 1001 ? ADMHCD_TD_IN : ADMHCD_TD_OUT; 1002 buf = KERNADDR(&xfer->ux_dmabuf, 0); 1003 1004 r = ahci_transaction(sc, pipe, pid, xfer->ux_length, buf, 0/*toggle*/); 1005 if (r < 0) { 1006 DPRINTF(D_MSG, ("%s error", __func__)); 1007 return; 1008 } 1009 /* no change, return NAK */ 1010 if (r == 0) 1011 return; 1012 1013 xfer->ux_status = USBD_NORMAL_COMPLETION; 1014 mutex_enter(&sc->sc_lock); 1015 usb_transfer_complete(xfer); 1016 mutex_exit(&sc->sc_lock); 1017 } 1018 1019 static void 1020 ahci_device_intr_abort(struct usbd_xfer *xfer) 1021 { 1022 struct ahci_xfer *sx; 1023 1024 DPRINTF(D_TRACE, ("INTRabort ")); 1025 1026 sx = xfer->ux_hcpriv; 1027 if (sx) { 1028 callout_stop(&sx->sx_callout_t); 1029 kmem_intr_free(sx, sizeof(*sx)); 1030 xfer->ux_hcpriv = NULL; 1031 } else { 1032 printf("%s: sx == NULL!\n", __func__); 1033 } 1034 ahci_abort_xfer(xfer, USBD_CANCELLED); 1035 } 1036 1037 static void 1038 ahci_device_intr_close(struct usbd_pipe *pipe) 1039 { 1040 DPRINTF(D_TRACE, ("INTRclose ")); 1041 } 1042 1043 static void 1044 ahci_device_intr_done(struct usbd_xfer *xfer) 1045 { 1046 DPRINTF(D_TRACE, ("INTRdone ")); 1047 } 1048 1049 static usbd_status 1050 ahci_device_isoc_transfer(struct usbd_xfer *xfer) 1051 { 1052 DPRINTF(D_TRACE, ("S")); 1053 return USBD_NORMAL_COMPLETION; 1054 } 1055 1056 static usbd_status 1057 ahci_device_isoc_start(struct usbd_xfer *xfer) 1058 { 1059 DPRINTF(D_TRACE, ("st ")); 1060 return USBD_NORMAL_COMPLETION; 1061 } 1062 1063 static void 1064 ahci_device_isoc_abort(struct usbd_xfer *xfer) 1065 { 1066 DPRINTF(D_TRACE, ("Sab ")); 1067 } 1068 1069 static void 1070 ahci_device_isoc_close(struct usbd_pipe *pipe) 1071 { 1072 DPRINTF(D_TRACE, ("Scl ")); 1073 } 1074 1075 static void 1076 ahci_device_isoc_done(struct usbd_xfer *xfer) 1077 { 1078 DPRINTF(D_TRACE, ("Sdn ")); 1079 } 1080 1081 static usbd_status 1082 ahci_device_bulk_transfer(struct usbd_xfer *xfer) 1083 { 1084 struct ahci_softc *sc = AHCI_XFER2SC(xfer); 1085 usbd_status error; 1086 1087 DPRINTF(D_TRACE, ("B")); 1088 1089 mutex_enter(&sc->sc_lock); 1090 error = usb_insert_transfer(xfer); 1091 mutex_exit(&sc->sc_lock); 1092 if (error) 1093 return error; 1094 1095 return ahci_device_bulk_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue)); 1096 } 1097 1098 static usbd_status 1099 ahci_device_bulk_start(struct usbd_xfer *xfer) 1100 { 1101 #define NBULK_TDS 32 1102 static volatile int level = 0; 1103 usbd_status status = USBD_NORMAL_COMPLETION; 1104 int s, err; 1105 static struct admhcd_ed ep_v __attribute__((aligned(16))), *ep; 1106 static struct admhcd_td td_v[NBULK_TDS] __attribute__((aligned(16))), *td[NBULK_TDS]; 1107 struct usbd_pipe *pipe = xfer->ux_pipe; 1108 struct ahci_softc *sc = AHCI_XFER2SC(xfer); 1109 int endpt, i, len, tlen, segs, offset, isread, toggle, short_ok; 1110 struct ahci_pipe *apipe = (struct ahci_pipe *)xfer->ux_pipe; 1111 1112 #define KSEG1ADDR(x) (0xa0000000 | (((uint32_t)x) & 0x1fffffff)) 1113 DPRINTF(D_TRACE, ("st ")); 1114 1115 #ifdef DIAGNOSTIC 1116 if (xfer->ux_rqflags & URQ_REQUEST) { 1117 /* XXX panic */ 1118 printf("ohci_device_bulk_start: a request\n"); 1119 return USBD_INVAL; 1120 } 1121 #endif 1122 1123 mutex_enter(&sc->sc_lock); 1124 level++; 1125 /* printf("bulk_start>>>\n"); */ 1126 1127 if (!ep) { 1128 ep = (struct admhcd_ed *)KSEG1ADDR(&ep_v); 1129 for (i=0; i<NBULK_TDS; i++) { 1130 td[i] = (struct admhcd_td *)KSEG1ADDR(&td_v[i]); 1131 }; 1132 /* printf("ep: %p\n",ep);*/ 1133 }; 1134 if (apipe->toggle == 0) { 1135 toggle = ADMHCD_TD_DATA0; 1136 } else { 1137 toggle = apipe->toggle; 1138 }; 1139 1140 endpt = pipe->up_endpoint->ue_edesc->bEndpointAddress; 1141 ep->control = pipe->up_dev->ud_addr | ((endpt & 0xf) << ADMHCD_ED_EPSHIFT)|\ 1142 ((pipe->up_dev->ud_speed==USB_SPEED_FULL)?ADMHCD_ED_SPEED:0) | \ 1143 ((UGETW(pipe->up_endpoint->ue_edesc->wMaxPacketSize))<<ADMHCD_ED_MAXSHIFT); 1144 1145 short_ok = xfer->ux_flags & USBD_SHORT_XFER_OK?ADMHCD_TD_R:0; 1146 /* printf("level: %d\n",level); 1147 printf("short_xfer: %x\n",short_ok); 1148 printf("ep_control: %x\n",ep->control); 1149 printf("speed: %x\n",pipe->up_dev->ud_speed); 1150 printf("dmabuf: %p\n",xfer->ux_dmabuf.block); */ 1151 1152 isread = UE_GET_DIR(endpt) == UE_DIR_IN; 1153 len = xfer->ux_length; 1154 1155 ep->next = ep; 1156 1157 i = 0; 1158 offset = 0; 1159 while ((len>0) || (i==0)) { 1160 tlen = uimin(len,4096); 1161 td[i]->buffer = DMAADDR(&xfer->ux_dmabuf,offset) | 0xa0000000; 1162 td[i]->buflen=tlen; 1163 td[i]->control=(isread?ADMHCD_TD_IN:ADMHCD_TD_OUT) | toggle | ADMHCD_TD_OWN | short_ok; 1164 td[i]->len=tlen; 1165 toggle = ADMHCD_TD_TOGGLE; 1166 len -= tlen; 1167 offset += tlen; 1168 td[i]->next = td[i+1]; 1169 i++; 1170 }; 1171 1172 td[i]->buffer = 0; 1173 td[i]->buflen = 0; 1174 td[i]->control = 0; 1175 td[i]->next = 0; 1176 1177 ep->head = td[0]; 1178 ep->tail = td[i]; 1179 segs = i; 1180 len = 0; 1181 1182 /* printf("segs: %d\n",segs); 1183 printf("ep: %p\n",ep); 1184 printf("ep->control: %x\n",ep->control); 1185 printf("ep->next: %p\n",ep->next); 1186 printf("ep->head: %p\n",ep->head); 1187 printf("ep->tail: %p\n",ep->tail); 1188 for (i=0; i<segs; i++) { 1189 printf("td[%d]: %p\n",i,td[i]); 1190 printf("td[%d]->control: %x\n",i,td[i]->control); 1191 printf("td[%d]->next: %p\n",i,td[i]->next); 1192 printf("td[%d]->buffer: %x\n",i,td[i]->buffer); 1193 printf("td[%d]->buflen: %x\n",i,td[i]->buflen); 1194 }; */ 1195 1196 REG_WRITE(ADMHCD_REG_HOSTHEAD, (uint32_t)ep); 1197 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP | ADMHCD_DMA_EN); 1198 i = 0; 1199 /* printf("1: %x %d %x %x\n", ep->control, i, td[i]->control, td[i]->buflen); */ 1200 s=100; 1201 err = 0; 1202 while (s--) { 1203 /* printf("%x %d %x %x\n", ep->control, i, td[i]->control, td[i]->buflen); */ 1204 status = USBD_TIMEOUT; 1205 if (td[i]->control & ADMHCD_TD_OWN) { 1206 delay_ms(3); 1207 continue; 1208 }; 1209 1210 len += td[i]->len - td[i]->buflen; 1211 1212 err = (td[i]->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT; 1213 if (err) { 1214 status = USBD_IOERROR; 1215 break; 1216 }; 1217 1218 i++; 1219 if (i==segs) { 1220 status = USBD_NORMAL_COMPLETION; 1221 break; 1222 }; 1223 1224 }; 1225 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP); 1226 1227 apipe->toggle = ((uint32_t)ep->head & 2)?ADMHCD_TD_DATA1:ADMHCD_TD_DATA0; 1228 /* printf("bulk_transfer_done: status: %x, err: %x, len: %x, toggle: %x\n", status,err,len,apipe->toggle); */ 1229 1230 if (short_ok && (err == 0x9 || err == 0xd)) { 1231 /* printf("bulk_transfer_done: short_transfer fix\n"); */ 1232 status = USBD_NORMAL_COMPLETION; 1233 }; 1234 xfer->ux_actlen = len; 1235 xfer->ux_status = status; 1236 1237 level--; 1238 /* printf("bulk_start<<<\n"); */ 1239 1240 usb_transfer_complete(xfer); 1241 mutex_exit(&sc->sc_lock); 1242 1243 return USBD_NORMAL_COMPLETION; 1244 } 1245 1246 static void 1247 ahci_device_bulk_abort(struct usbd_xfer *xfer) 1248 { 1249 DPRINTF(D_TRACE, ("Bab ")); 1250 ahci_abort_xfer(xfer, USBD_CANCELLED); 1251 } 1252 1253 static void 1254 ahci_device_bulk_close(struct usbd_pipe *pipe) 1255 { 1256 DPRINTF(D_TRACE, ("Bcl ")); 1257 } 1258 1259 static void 1260 ahci_device_bulk_done(struct usbd_xfer *xfer) 1261 { 1262 DPRINTF(D_TRACE, ("Bdn ")); 1263 } 1264 1265 #define DATA0_RD (0x03) 1266 #define DATA0_WR (0x07) 1267 #define AHCI_TIMEOUT (5000) 1268 1269 /* 1270 * Do a transaction. 1271 * return 1 if ACK, 0 if NAK, -1 if error. 1272 */ 1273 static int 1274 ahci_transaction(struct ahci_softc *sc, struct usbd_pipe *pipe, 1275 uint8_t pid, int len, u_char *buf, uint8_t toggle) 1276 { 1277 return -1; 1278 #if 0 1279 #ifdef AHCI_DEBUG 1280 char str[64]; 1281 int i; 1282 #endif 1283 int timeout; 1284 int ls_via_hub = 0; 1285 int pl; 1286 uint8_t isr; 1287 uint8_t result = 0; 1288 uint8_t devaddr = pipe->up_dev->ud_addr; 1289 uint8_t endpointaddr = pipe->up_endpoint->ue_edesc->bEndpointAddress; 1290 uint8_t endpoint; 1291 uint8_t cmd = DATA0_RD; 1292 1293 endpoint = UE_GET_ADDR(endpointaddr); 1294 DPRINTF(D_XFER, ("\n(%x,%d%s%d,%d) ", 1295 pid, len, (pid == SL11_PID_IN) ? "<-" : "->", devaddr, endpoint)); 1296 1297 /* Set registers */ 1298 sl11write(sc, SL11_E0ADDR, 0x40); 1299 sl11write(sc, SL11_E0LEN, len); 1300 sl11write(sc, SL11_E0PID, (pid << 4) + endpoint); 1301 sl11write(sc, SL11_E0DEV, devaddr); 1302 1303 /* Set buffer unless PID_IN */ 1304 if (pid != SL11_PID_IN) { 1305 if (len > 0) 1306 sl11write_region(sc, 0x40, buf, len); 1307 cmd = DATA0_WR; 1308 } 1309 1310 /* timing ? */ 1311 pl = (len >> 3) + 3; 1312 1313 /* Low speed device via HUB */ 1314 /* XXX does not work... */ 1315 if ((sc->sc_fullspeed) && pipe->up_dev->ud_speed == USB_SPEED_LOW) { 1316 pl = len + 16; 1317 cmd |= SL11_EPCTRL_PREAMBLE; 1318 1319 /* 1320 * SL811HS/T rev 1.2 has a bug, when it got PID_IN 1321 * from LowSpeed device via HUB. 1322 */ 1323 if (sc->sc_sltype == SLTYPE_SL811HS_R12 && pid == SL11_PID_IN) { 1324 ls_via_hub = 1; 1325 DPRINTF(D_MSG, ("LSvH ")); 1326 } 1327 } 1328 1329 /* timing ? */ 1330 if (sl11read(sc, SL811_CSOF) <= (uint8_t)pl) 1331 cmd |= SL11_EPCTRL_SOF; 1332 1333 /* Transfer */ 1334 sl11write(sc, SL11_ISR, 0xff); 1335 sl11write(sc, SL11_E0CTRL, cmd | toggle); 1336 1337 /* Polling */ 1338 for (timeout = AHCI_TIMEOUT; timeout; timeout--) { 1339 isr = sl11read(sc, SL11_ISR); 1340 if ((isr & SL11_ISR_USBA)) 1341 break; 1342 } 1343 1344 /* Check result status */ 1345 result = sl11read(sc, SL11_E0STAT); 1346 if (!(result & SL11_EPSTAT_NAK) && ls_via_hub) { 1347 /* Resend PID_IN within 20usec */ 1348 sl11write(sc, SL11_ISR, 0xff); 1349 sl11write(sc, SL11_E0CTRL, SL11_EPCTRL_ARM); 1350 } 1351 1352 sl11write(sc, SL11_ISR, 0xff); 1353 1354 DPRINTF(D_XFER, ("t=%d i=%x ", AHCI_TIMEOUT - timeout, isr)); 1355 #if AHCI_DEBUG 1356 snprintb(str, sizeof(str), 1357 "\20\x8STALL\7NAK\6OV\5SETUP\4DATA1\3TIMEOUT\2ERR\1ACK", result); 1358 DPRINTF(D_XFER, ("STAT=%s ", str)); 1359 #endif 1360 1361 if ((result & SL11_EPSTAT_ERROR)) 1362 return -1; 1363 1364 if ((result & SL11_EPSTAT_NAK)) 1365 return 0; 1366 1367 /* Read buffer if PID_IN */ 1368 if (pid == SL11_PID_IN && len > 0) { 1369 sl11read_region(sc, buf, 0x40, len); 1370 #if AHCI_DEBUG 1371 for (i = 0; i < len; i++) 1372 DPRINTF(D_XFER, ("%02X ", buf[i])); 1373 #endif 1374 } 1375 1376 return 1; 1377 #endif 1378 } 1379 1380 void 1381 ahci_abort_xfer(struct usbd_xfer *xfer, usbd_status status) 1382 { 1383 xfer->ux_status = status; 1384 usb_transfer_complete(xfer); 1385 } 1386 1387 void 1388 ahci_device_clear_toggle(struct usbd_pipe *pipe) 1389 { 1390 struct ahci_pipe *apipe = (struct ahci_pipe *)pipe; 1391 apipe->toggle = 0; 1392 } 1393 1394 #ifdef AHCI_DEBUG 1395 void 1396 print_req(usb_device_request_t *r) 1397 { 1398 const char *xmes[]={ 1399 "GETSTAT", 1400 "CLRFEAT", 1401 "res", 1402 "SETFEAT", 1403 "res", 1404 "SETADDR", 1405 "GETDESC", 1406 "SETDESC", 1407 "GETCONF", 1408 "SETCONF", 1409 "GETIN/F", 1410 "SETIN/F", 1411 "SYNC_FR" 1412 }; 1413 int req, type, value, index, len; 1414 1415 req = r->bRequest; 1416 type = r->bmRequestType; 1417 value = UGETW(r->wValue); 1418 index = UGETW(r->wIndex); 1419 len = UGETW(r->wLength); 1420 1421 printf("%x,%s,v=%d,i=%d,l=%d ", 1422 type, xmes[req], value, index, len); 1423 } 1424 1425 void 1426 print_req_hub(usb_device_request_t *r) 1427 { 1428 struct { 1429 int req; 1430 int type; 1431 const char *str; 1432 } conf[] = { 1433 { 1, 0x20, "ClrHubFeat" }, 1434 { 1, 0x23, "ClrPortFeat" }, 1435 { 2, 0xa3, "GetBusState" }, 1436 { 6, 0xa0, "GetHubDesc" }, 1437 { 0, 0xa0, "GetHubStat" }, 1438 { 0, 0xa3, "GetPortStat" }, 1439 { 7, 0x20, "SetHubDesc" }, 1440 { 3, 0x20, "SetHubFeat" }, 1441 { 3, 0x23, "SetPortFeat" }, 1442 {-1, 0, NULL}, 1443 }; 1444 int i; 1445 int value, index, len; 1446 1447 value = UGETW(r->wValue); 1448 index = UGETW(r->wIndex); 1449 len = UGETW(r->wLength); 1450 for (i = 0; ; i++) { 1451 if (conf[i].req == -1 ) 1452 return print_req(r); 1453 if (r->bmRequestType == conf[i].type && r->bRequest == conf[i].req) { 1454 printf("%s", conf[i].str); 1455 break; 1456 } 1457 } 1458 printf(",v=%d,i=%d,l=%d ", value, index, len); 1459 } 1460 1461 void 1462 print_dumpreg(struct ahci_softc *sc) 1463 { 1464 #if 0 1465 printf("00=%02x,01=%02x,02=%02x,03=%02x,04=%02x," 1466 "08=%02x,09=%02x,0A=%02x,0B=%02x,0C=%02x,", 1467 sl11read(sc, 0), sl11read(sc, 1), 1468 sl11read(sc, 2), sl11read(sc, 3), 1469 sl11read(sc, 4), sl11read(sc, 8), 1470 sl11read(sc, 9), sl11read(sc, 10), 1471 sl11read(sc, 11), sl11read(sc, 12) 1472 ); 1473 printf("CR1=%02x,IER=%02x,0D=%02x,0E=%02x,0F=%02x ", 1474 sl11read(sc, 5), sl11read(sc, 6), 1475 sl11read(sc, 13), sl11read(sc, 14), sl11read(sc, 15) 1476 ); 1477 #endif 1478 } 1479 1480 void 1481 print_xfer(struct usbd_xfer *xfer) 1482 { 1483 printf("xfer: length=%d, actlen=%d, flags=%x, timeout=%d,", 1484 xfer->ux_length, xfer->ux_actlen, xfer->ux_flags, xfer->ux_timeout); 1485 printf("request{ "); 1486 print_req_hub(&xfer->ux_request); 1487 printf("} "); 1488 } 1489 #endif /* AHCI_DEBUG */ 1490
Indexes created Fri Oct 17 00:09:41 GMT 2025