1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013,2014 Ilya Bakulin <ilya@bakulin.de> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/bus.h> 34 #include <sys/endian.h> 35 #include <sys/systm.h> 36 #include <sys/types.h> 37 #include <sys/malloc.h> 38 #include <sys/kernel.h> 39 #include <sys/time.h> 40 #include <sys/conf.h> 41 #include <sys/fcntl.h> 42 #include <sys/interrupt.h> 43 #include <sys/sbuf.h> 44 45 #include <sys/lock.h> 46 #include <sys/mutex.h> 47 #include <sys/sysctl.h> 48 #include <sys/condvar.h> 49 50 #include <cam/cam.h> 51 #include <cam/cam_ccb.h> 52 #include <cam/cam_queue.h> 53 #include <cam/cam_periph.h> 54 #include <cam/cam_sim.h> 55 #include <cam/cam_xpt.h> 56 #include <cam/cam_xpt_sim.h> 57 #include <cam/cam_xpt_periph.h> 58 #include <cam/cam_xpt_internal.h> 59 #include <cam/cam_debug.h> 60 61 #include <cam/mmc/mmc.h> 62 #include <cam/mmc/mmc_bus.h> 63 64 #include <machine/stdarg.h> /* for xpt_print below */ 65 #include <machine/_inttypes.h> /* for PRIu64 */ 66 #include "opt_cam.h" 67 68 FEATURE(mmccam, "CAM-based MMC/SD/SDIO stack"); 69 70 static struct cam_ed * mmc_alloc_device(struct cam_eb *bus, 71 struct cam_et *target, lun_id_t lun_id); 72 static void mmc_dev_async(u_int32_t async_code, struct cam_eb *bus, 73 struct cam_et *target, struct cam_ed *device, void *async_arg); 74 static void mmc_action(union ccb *start_ccb); 75 static void mmc_dev_advinfo(union ccb *start_ccb); 76 static void mmc_announce_periph(struct cam_periph *periph); 77 static void mmc_scan_lun(struct cam_periph *periph, 78 struct cam_path *path, cam_flags flags, union ccb *ccb); 79 80 /* mmcprobe methods */ 81 static cam_status mmcprobe_register(struct cam_periph *periph, void *arg); 82 static void mmcprobe_start(struct cam_periph *periph, union ccb *start_ccb); 83 static void mmcprobe_cleanup(struct cam_periph *periph); 84 static void mmcprobe_done(struct cam_periph *periph, union ccb *done_ccb); 85 86 static void mmc_proto_announce(struct cam_ed *device); 87 static void mmc_proto_denounce(struct cam_ed *device); 88 static void mmc_proto_debug_out(union ccb *ccb); 89 90 typedef enum { 91 PROBE_RESET, 92 PROBE_IDENTIFY, 93 PROBE_POWER_OFF, 94 PROBE_GET_HOST_OCR, 95 PROBE_RESET_BUS, 96 PROBE_SET_ID_FREQ, 97 PROBE_SET_CS, 98 PROBE_GO_IDLE_STATE, 99 PROBE_SDIO_RESET, 100 PROBE_SEND_IF_COND, 101 PROBE_SDIO_INIT, 102 PROBE_MMC_INIT, 103 PROBE_SEND_APP_OP_COND, 104 PROBE_GET_CID, 105 PROBE_GET_CSD, 106 PROBE_SEND_RELATIVE_ADDR, 107 PROBE_MMC_SET_RELATIVE_ADDR, 108 PROBE_SELECT_CARD, 109 PROBE_DONE, 110 PROBE_INVALID 111 } probe_action; 112 113 static char *probe_action_text[] = { 114 "PROBE_RESET", 115 "PROBE_IDENTIFY", 116 "PROBE_POWER_OFF", 117 "PROBE_GET_HOST_OCR", 118 "PROBE_RESET_BUS", 119 "PROBE_SET_ID_FREQ", 120 "PROBE_SET_CS", 121 "PROBE_GO_IDLE_STATE", 122 "PROBE_SDIO_RESET", 123 "PROBE_SEND_IF_COND", 124 "PROBE_SDIO_INIT", 125 "PROBE_MMC_INIT", 126 "PROBE_SEND_APP_OP_COND", 127 "PROBE_GET_CID", 128 "PROBE_GET_CSD", 129 "PROBE_SEND_RELATIVE_ADDR", 130 "PROBE_MMC_SET_RELATIVE_ADDR", 131 "PROBE_SELECT_CARD", 132 "PROBE_DONE", 133 "PROBE_INVALID" 134 }; 135 136 #define PROBE_SET_ACTION(softc, newaction) \ 137 do { \ 138 char **text; \ 139 text = probe_action_text; \ 140 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 141 ("Probe %s to %s\n", text[(softc)->action], \ 142 text[(newaction)])); \ 143 (softc)->action = (newaction); \ 144 } while(0) 145 146 static struct xpt_xport_ops mmc_xport_ops = { 147 .alloc_device = mmc_alloc_device, 148 .action = mmc_action, 149 .async = mmc_dev_async, 150 .announce = mmc_announce_periph, 151 }; 152 153 #define MMC_XPT_XPORT(x, X) \ 154 static struct xpt_xport mmc_xport_ ## x = { \ 155 .xport = XPORT_ ## X, \ 156 .name = #x, \ 157 .ops = &mmc_xport_ops, \ 158 }; \ 159 CAM_XPT_XPORT(mmc_xport_ ## x); 160 161 MMC_XPT_XPORT(mmc, MMCSD); 162 163 static struct xpt_proto_ops mmc_proto_ops = { 164 .announce = mmc_proto_announce, 165 .denounce = mmc_proto_denounce, 166 .debug_out = mmc_proto_debug_out, 167 }; 168 169 static struct xpt_proto mmc_proto = { 170 .proto = PROTO_MMCSD, 171 .name = "mmcsd", 172 .ops = &mmc_proto_ops, 173 }; 174 CAM_XPT_PROTO(mmc_proto); 175 176 typedef struct { 177 probe_action action; 178 int restart; 179 union ccb saved_ccb; 180 uint32_t host_ocr; 181 uint32_t flags; 182 #define PROBE_FLAG_ACMD_SENT 0x1 /* CMD55 is sent, card expects ACMD */ 183 #define PROBE_FLAG_HOST_CAN_DO_18V 0x2 /* Host can do 1.8V signaling */ 184 uint8_t acmd41_count; /* how many times ACMD41 has been issued */ 185 struct cam_periph *periph; 186 } mmcprobe_softc; 187 188 /* XPort functions -- an interface to CAM at periph side */ 189 190 static struct cam_ed * 191 mmc_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 192 { 193 struct cam_ed *device; 194 195 device = xpt_alloc_device(bus, target, lun_id); 196 if (device == NULL) 197 return (NULL); 198 199 device->quirk = NULL; 200 device->mintags = 0; 201 device->maxtags = 0; 202 bzero(&device->inq_data, sizeof(device->inq_data)); 203 device->inq_flags = 0; 204 device->queue_flags = 0; 205 device->serial_num = NULL; 206 device->serial_num_len = 0; 207 return (device); 208 } 209 210 static void 211 mmc_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 212 struct cam_ed *device, void *async_arg) 213 { 214 215 /* 216 * We only need to handle events for real devices. 217 */ 218 if (target->target_id == CAM_TARGET_WILDCARD 219 || device->lun_id == CAM_LUN_WILDCARD) 220 return; 221 222 if (async_code == AC_LOST_DEVICE && 223 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 224 device->flags |= CAM_DEV_UNCONFIGURED; 225 xpt_release_device(device); 226 } 227 } 228 229 /* Taken from nvme_scan_lun, thanks to bsdimp@ */ 230 static void 231 mmc_scan_lun(struct cam_periph *periph, struct cam_path *path, 232 cam_flags flags, union ccb *request_ccb) 233 { 234 struct ccb_pathinq cpi; 235 cam_status status; 236 struct cam_periph *old_periph; 237 int lock; 238 239 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("mmc_scan_lun\n")); 240 241 xpt_path_inq(&cpi, path); 242 243 if (cpi.ccb_h.status != CAM_REQ_CMP) { 244 if (request_ccb != NULL) { 245 request_ccb->ccb_h.status = cpi.ccb_h.status; 246 xpt_done(request_ccb); 247 } 248 return; 249 } 250 251 if (xpt_path_lun_id(path) == CAM_LUN_WILDCARD) { 252 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("mmd_scan_lun ignoring bus\n")); 253 request_ccb->ccb_h.status = CAM_REQ_CMP; /* XXX signal error ? */ 254 xpt_done(request_ccb); 255 return; 256 } 257 258 lock = (xpt_path_owned(path) == 0); 259 if (lock) 260 xpt_path_lock(path); 261 262 if ((old_periph = cam_periph_find(path, "mmcprobe")) != NULL) { 263 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 264 // mmcprobe_softc *softc; 265 // softc = (mmcprobe_softc *)old_periph->softc; 266 // Not sure if we need request ccb queue for mmc 267 // TAILQ_INSERT_TAIL(&softc->request_ccbs, 268 // &request_ccb->ccb_h, periph_links.tqe); 269 // softc->restart = 1; 270 CAM_DEBUG(path, CAM_DEBUG_INFO, 271 ("Got scan request, but mmcprobe already exists\n")); 272 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 273 xpt_done(request_ccb); 274 } else { 275 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 276 xpt_done(request_ccb); 277 } 278 } else { 279 CAM_DEBUG(path, CAM_DEBUG_INFO, 280 (" Set up the mmcprobe device...\n")); 281 282 status = cam_periph_alloc(mmcprobe_register, NULL, 283 mmcprobe_cleanup, 284 mmcprobe_start, 285 "mmcprobe", 286 CAM_PERIPH_BIO, 287 path, NULL, 0, 288 request_ccb); 289 if (status != CAM_REQ_CMP) { 290 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 291 "returned an error, can't continue probe\n"); 292 } 293 request_ccb->ccb_h.status = status; 294 xpt_done(request_ccb); 295 } 296 297 if (lock) 298 xpt_path_unlock(path); 299 } 300 301 static void 302 mmc_action(union ccb *start_ccb) 303 { 304 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, 305 ("mmc_action! func_code=%x, action %s\n", start_ccb->ccb_h.func_code, 306 xpt_action_name(start_ccb->ccb_h.func_code))); 307 switch (start_ccb->ccb_h.func_code) { 308 case XPT_SCAN_BUS: 309 /* FALLTHROUGH */ 310 case XPT_SCAN_TGT: 311 /* FALLTHROUGH */ 312 case XPT_SCAN_LUN: 313 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO, 314 ("XPT_SCAN_{BUS,TGT,LUN}\n")); 315 mmc_scan_lun(start_ccb->ccb_h.path->periph, 316 start_ccb->ccb_h.path, start_ccb->crcn.flags, 317 start_ccb); 318 break; 319 320 case XPT_DEV_ADVINFO: 321 { 322 mmc_dev_advinfo(start_ccb); 323 break; 324 } 325 326 default: 327 xpt_action_default(start_ccb); 328 break; 329 } 330 } 331 332 static void 333 mmc_dev_advinfo(union ccb *start_ccb) 334 { 335 struct cam_ed *device; 336 struct ccb_dev_advinfo *cdai; 337 off_t amt; 338 339 xpt_path_assert(start_ccb->ccb_h.path, MA_OWNED); 340 start_ccb->ccb_h.status = CAM_REQ_INVALID; 341 device = start_ccb->ccb_h.path->device; 342 cdai = &start_ccb->cdai; 343 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, 344 ("%s: request %x\n", __func__, cdai->buftype)); 345 346 /* We don't support writing any data */ 347 if (cdai->flags & CDAI_FLAG_STORE) 348 panic("Attempt to store data?!"); 349 350 switch(cdai->buftype) { 351 case CDAI_TYPE_SCSI_DEVID: 352 cdai->provsiz = device->device_id_len; 353 if (device->device_id_len == 0) 354 break; 355 amt = MIN(cdai->provsiz, cdai->bufsiz); 356 memcpy(cdai->buf, device->device_id, amt); 357 break; 358 case CDAI_TYPE_SERIAL_NUM: 359 cdai->provsiz = device->serial_num_len; 360 if (device->serial_num_len == 0) 361 break; 362 amt = MIN(cdai->provsiz, cdai->bufsiz); 363 memcpy(cdai->buf, device->serial_num, amt); 364 break; 365 case CDAI_TYPE_PHYS_PATH: /* pass(4) wants this */ 366 cdai->provsiz = 0; 367 break; 368 case CDAI_TYPE_MMC_PARAMS: 369 cdai->provsiz = sizeof(struct mmc_params); 370 amt = MIN(cdai->provsiz, cdai->bufsiz); 371 memcpy(cdai->buf, &device->mmc_ident_data, amt); 372 break; 373 default: 374 panic("Unknown buftype"); 375 return; 376 } 377 start_ccb->ccb_h.status = CAM_REQ_CMP; 378 } 379 380 static void 381 mmc_announce_periph(struct cam_periph *periph) 382 { 383 struct ccb_pathinq cpi; 384 struct ccb_trans_settings cts; 385 struct cam_path *path = periph->path; 386 387 cam_periph_assert(periph, MA_OWNED); 388 389 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("mmc_announce_periph")); 390 391 memset(&cts, 0, sizeof(cts)); 392 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 393 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 394 cts.type = CTS_TYPE_CURRENT_SETTINGS; 395 xpt_action((union ccb*)&cts); 396 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 397 return; 398 xpt_path_inq(&cpi, periph->path); 399 CAM_DEBUG(path, CAM_DEBUG_INFO, 400 ("XPT info: CLK %04d, ...\n", cts.proto_specific.mmc.ios.clock)); 401 } 402 403 void 404 mmccam_start_discovery(struct cam_sim *sim) 405 { 406 union ccb *ccb; 407 uint32_t pathid; 408 409 KASSERT(sim->sim_dev != NULL, ("mmccam_start_discovery(%s): sim_dev is not initialized," 410 " has cam_sim_alloc_dev() been used?", cam_sim_name(sim))); 411 pathid = cam_sim_path(sim); 412 ccb = xpt_alloc_ccb(); 413 414 /* 415 * We create a rescan request for BUS:0:0, since the card 416 * will be at lun 0. 417 */ 418 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid, 419 /* target */ 0, /* lun */ 0) != CAM_REQ_CMP) { 420 xpt_free_ccb(ccb); 421 return; 422 } 423 xpt_rescan(ccb); 424 } 425 426 /* This func is called per attached device :-( */ 427 static void 428 mmc_print_ident(struct mmc_params *ident_data, struct sbuf *sb) 429 { 430 bool space = false; 431 432 sbuf_printf(sb, "Relative addr: %08x\n", ident_data->card_rca); 433 sbuf_printf(sb, "Card features: <"); 434 if (ident_data->card_features & CARD_FEATURE_MMC) { 435 sbuf_printf(sb, "MMC"); 436 space = true; 437 } 438 if (ident_data->card_features & CARD_FEATURE_MEMORY) { 439 sbuf_printf(sb, "%sMemory", space ? " " : ""); 440 space = true; 441 } 442 if (ident_data->card_features & CARD_FEATURE_SDHC) { 443 sbuf_printf(sb, "%sHigh-Capacity", space ? " " : ""); 444 space = true; 445 } 446 if (ident_data->card_features & CARD_FEATURE_SD20) { 447 sbuf_printf(sb, "%sSD2.0-Conditions", space ? " " : ""); 448 space = true; 449 } 450 if (ident_data->card_features & CARD_FEATURE_SDIO) { 451 sbuf_printf(sb, "%sSDIO", space ? " " : ""); 452 space = true; 453 } 454 if (ident_data->card_features & CARD_FEATURE_18V) { 455 sbuf_printf(sb, "%s1.8-Signaling", space ? " " : ""); 456 } 457 sbuf_printf(sb, ">\n"); 458 459 if (ident_data->card_features & CARD_FEATURE_MEMORY) 460 sbuf_printf(sb, "Card memory OCR: %08x\n", 461 ident_data->card_ocr); 462 463 if (ident_data->card_features & CARD_FEATURE_SDIO) { 464 sbuf_printf(sb, "Card IO OCR: %08x\n", ident_data->io_ocr); 465 sbuf_printf(sb, "Number of functions: %u\n", 466 ident_data->sdio_func_count); 467 } 468 469 sbuf_finish(sb); 470 printf("%s", sbuf_data(sb)); 471 sbuf_clear(sb); 472 } 473 474 static void 475 mmc_proto_announce(struct cam_ed *device) 476 { 477 struct sbuf sb; 478 char buffer[256]; 479 480 sbuf_new(&sb, buffer, sizeof(buffer), SBUF_FIXEDLEN); 481 mmc_print_ident(&device->mmc_ident_data, &sb); 482 sbuf_finish(&sb); 483 sbuf_putbuf(&sb); 484 } 485 486 static void 487 mmc_proto_denounce(struct cam_ed *device) 488 { 489 490 mmc_proto_announce(device); 491 } 492 493 static void 494 mmc_proto_debug_out(union ccb *ccb) 495 { 496 if (ccb->ccb_h.func_code != XPT_MMC_IO) 497 return; 498 499 CAM_DEBUG(ccb->ccb_h.path, 500 CAM_DEBUG_CDB,("mmc_proto_debug_out\n")); 501 } 502 503 static periph_init_t probe_periph_init; 504 505 static struct periph_driver probe_driver = 506 { 507 probe_periph_init, "mmcprobe", 508 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 509 CAM_PERIPH_DRV_EARLY 510 }; 511 512 PERIPHDRIVER_DECLARE(mmcprobe, probe_driver); 513 514 #define CARD_ID_FREQUENCY 400000 /* Spec requires 400kHz max during ID phase. */ 515 516 static void 517 probe_periph_init(void) 518 { 519 } 520 521 static cam_status 522 mmcprobe_register(struct cam_periph *periph, void *arg) 523 { 524 mmcprobe_softc *softc; 525 union ccb *request_ccb; /* CCB representing the probe request */ 526 int status; 527 528 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("mmcprobe_register\n")); 529 530 request_ccb = (union ccb *)arg; 531 if (request_ccb == NULL) { 532 printf("mmcprobe_register: no probe CCB, " 533 "can't register device\n"); 534 return(CAM_REQ_CMP_ERR); 535 } 536 537 softc = (mmcprobe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT); 538 539 if (softc == NULL) { 540 printf("proberegister: Unable to probe new device. " 541 "Unable to allocate softc\n"); 542 return(CAM_REQ_CMP_ERR); 543 } 544 545 softc->flags = 0; 546 softc->acmd41_count = 0; 547 periph->softc = softc; 548 softc->periph = periph; 549 softc->action = PROBE_INVALID; 550 softc->restart = 0; 551 status = cam_periph_acquire(periph); 552 553 memset(&periph->path->device->mmc_ident_data, 0, sizeof(struct mmc_params)); 554 if (status != 0) { 555 printf("proberegister: cam_periph_acquire failed (status=%d)\n", 556 status); 557 return (CAM_REQ_CMP_ERR); 558 } 559 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 560 561 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) 562 PROBE_SET_ACTION(softc, PROBE_RESET); 563 else 564 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 565 566 /* This will kick the ball */ 567 xpt_schedule(periph, CAM_PRIORITY_XPT); 568 569 return(CAM_REQ_CMP); 570 } 571 572 static int 573 mmc_highest_voltage(uint32_t ocr) 574 { 575 int i; 576 577 for (i = MMC_OCR_MAX_VOLTAGE_SHIFT; 578 i >= MMC_OCR_MIN_VOLTAGE_SHIFT; i--) 579 if (ocr & (1 << i)) 580 return (i); 581 return (-1); 582 } 583 584 static inline void 585 init_standard_ccb(union ccb *ccb, uint32_t cmd) 586 { 587 ccb->ccb_h.func_code = cmd; 588 ccb->ccb_h.flags = CAM_DIR_OUT; 589 ccb->ccb_h.retry_count = 0; 590 ccb->ccb_h.timeout = 15 * 1000; 591 ccb->ccb_h.cbfcnp = mmcprobe_done; 592 } 593 594 static void 595 mmcprobe_start(struct cam_periph *periph, union ccb *start_ccb) 596 { 597 mmcprobe_softc *softc; 598 struct cam_path *path; 599 struct ccb_mmcio *mmcio; 600 struct ccb_trans_settings_mmc *cts; 601 602 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("mmcprobe_start\n")); 603 softc = (mmcprobe_softc *)periph->softc; 604 path = start_ccb->ccb_h.path; 605 mmcio = &start_ccb->mmcio; 606 cts = &start_ccb->cts.proto_specific.mmc; 607 struct mmc_params *mmcp = &path->device->mmc_ident_data; 608 609 memset(&mmcio->cmd, 0, sizeof(struct mmc_command)); 610 611 if (softc->restart) { 612 softc->restart = 0; 613 if (path->device->flags & CAM_DEV_UNCONFIGURED) 614 softc->action = PROBE_RESET; 615 else 616 softc->action = PROBE_IDENTIFY; 617 } 618 619 /* Here is the place where the identify fun begins */ 620 switch (softc->action) { 621 case PROBE_RESET: 622 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Start with PROBE_RESET\n")); 623 /* FALLTHROUGH */ 624 case PROBE_IDENTIFY: 625 xpt_path_inq(&start_ccb->cpi, periph->path); 626 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Start with PROBE_IDENTIFY\n")); 627 init_standard_ccb(start_ccb, XPT_MMC_GET_TRAN_SETTINGS); 628 break; 629 630 case PROBE_POWER_OFF: 631 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("power off the card\n")); 632 init_standard_ccb(start_ccb, XPT_MMC_SET_TRAN_SETTINGS); 633 cts->ios.power_mode = power_off; 634 cts->ios_valid = MMC_PM; 635 break; 636 637 case PROBE_GET_HOST_OCR: 638 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("get the host ocr\n")); 639 init_standard_ccb(start_ccb, XPT_MMC_GET_TRAN_SETTINGS); 640 break; 641 642 case PROBE_RESET_BUS: 643 { 644 uint32_t host_caps = cts->host_caps; 645 if (host_caps & MMC_CAP_SIGNALING_180) 646 softc->flags |= PROBE_FLAG_HOST_CAN_DO_18V; 647 uint32_t hv = mmc_highest_voltage(softc->host_ocr); 648 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("reseting the bus\n")); 649 init_standard_ccb(start_ccb, XPT_MMC_SET_TRAN_SETTINGS); 650 cts->ios.vdd = hv; 651 cts->ios.bus_mode = opendrain; 652 cts->ios.chip_select = cs_dontcare; 653 cts->ios.power_mode = power_up; 654 cts->ios.bus_width = bus_width_1; 655 cts->ios.clock = 0; 656 cts->ios_valid = MMC_VDD | MMC_PM | MMC_BM | 657 MMC_CS | MMC_BW | MMC_CLK; 658 break; 659 } 660 661 case PROBE_SET_ID_FREQ: 662 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("setting the ID freq\n")); 663 init_standard_ccb(start_ccb, XPT_MMC_SET_TRAN_SETTINGS); 664 cts->ios.power_mode = power_on; 665 cts->ios.clock = CARD_ID_FREQUENCY; 666 cts->ios.timing = bus_timing_normal; 667 cts->ios_valid = MMC_PM | MMC_CLK | MMC_BT; 668 break; 669 670 case PROBE_SET_CS: 671 /* Begin mmc_idle_cards() */ 672 init_standard_ccb(start_ccb, XPT_MMC_SET_TRAN_SETTINGS); 673 cts->ios.chip_select = cs_high; 674 cts->ios_valid = MMC_CS; 675 break; 676 677 case PROBE_GO_IDLE_STATE: 678 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Send first XPT_MMC_IO\n")); 679 init_standard_ccb(start_ccb, XPT_MMC_IO); 680 mmcio->cmd.opcode = MMC_GO_IDLE_STATE; /* CMD 0 */ 681 mmcio->cmd.arg = 0; 682 mmcio->cmd.flags = MMC_RSP_NONE | MMC_CMD_BC; 683 mmcio->cmd.data = NULL; 684 mmcio->stop.opcode = 0; 685 686 /* XXX Reset I/O portion as well */ 687 break; 688 689 case PROBE_SDIO_RESET: 690 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, 691 ("Start with PROBE_SDIO_RESET\n")); 692 uint32_t mmc_arg = SD_IO_RW_ADR(SD_IO_CCCR_CTL) 693 | SD_IO_RW_DAT(CCCR_CTL_RES) | SD_IO_RW_WR | SD_IO_RW_RAW; 694 cam_fill_mmcio(&start_ccb->mmcio, 695 /*retries*/ 0, 696 /*cbfcnp*/ mmcprobe_done, 697 /*flags*/ CAM_DIR_NONE, 698 /*mmc_opcode*/ SD_IO_RW_DIRECT, 699 /*mmc_arg*/ mmc_arg, 700 /*mmc_flags*/ MMC_RSP_R5 | MMC_CMD_AC, 701 /*mmc_data*/ NULL, 702 /*timeout*/ 1000); 703 break; 704 case PROBE_SEND_IF_COND: 705 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, 706 ("Start with PROBE_SEND_IF_COND\n")); 707 init_standard_ccb(start_ccb, XPT_MMC_IO); 708 mmcio->cmd.opcode = SD_SEND_IF_COND; /* CMD 8 */ 709 mmcio->cmd.arg = (1 << 8) + 0xAA; 710 mmcio->cmd.flags = MMC_RSP_R7 | MMC_CMD_BCR; 711 mmcio->stop.opcode = 0; 712 break; 713 714 case PROBE_SDIO_INIT: 715 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, 716 ("Start with PROBE_SDIO_INIT\n")); 717 init_standard_ccb(start_ccb, XPT_MMC_IO); 718 mmcio->cmd.opcode = IO_SEND_OP_COND; /* CMD 5 */ 719 mmcio->cmd.arg = mmcp->io_ocr; 720 mmcio->cmd.flags = MMC_RSP_R4; 721 mmcio->stop.opcode = 0; 722 break; 723 724 case PROBE_MMC_INIT: 725 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, 726 ("Start with PROBE_MMC_INIT\n")); 727 init_standard_ccb(start_ccb, XPT_MMC_IO); 728 mmcio->cmd.opcode = MMC_SEND_OP_COND; /* CMD 1 */ 729 mmcio->cmd.arg = MMC_OCR_CCS | mmcp->card_ocr; /* CCS + ocr */; 730 mmcio->cmd.flags = MMC_RSP_R3 | MMC_CMD_BCR; 731 mmcio->stop.opcode = 0; 732 break; 733 734 case PROBE_SEND_APP_OP_COND: 735 init_standard_ccb(start_ccb, XPT_MMC_IO); 736 if (softc->flags & PROBE_FLAG_ACMD_SENT) { 737 mmcio->cmd.opcode = ACMD_SD_SEND_OP_COND; /* CMD 41 */ 738 /* 739 * We set CCS bit because we do support SDHC cards. 740 * XXX: Don't set CCS if no response to CMD8. 741 */ 742 uint32_t cmd_arg = MMC_OCR_CCS | mmcp->card_ocr; /* CCS + ocr */ 743 if (softc->acmd41_count < 10 && mmcp->card_ocr != 0 ) 744 cmd_arg |= MMC_OCR_S18R; 745 mmcio->cmd.arg = cmd_arg; 746 mmcio->cmd.flags = MMC_RSP_R3 | MMC_CMD_BCR; 747 softc->acmd41_count++; 748 } else { 749 mmcio->cmd.opcode = MMC_APP_CMD; /* CMD 55 */ 750 mmcio->cmd.arg = 0; /* rca << 16 */ 751 mmcio->cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; 752 } 753 mmcio->stop.opcode = 0; 754 break; 755 756 case PROBE_GET_CID: /* XXX move to mmc_da */ 757 init_standard_ccb(start_ccb, XPT_MMC_IO); 758 mmcio->cmd.opcode = MMC_ALL_SEND_CID; 759 mmcio->cmd.arg = 0; 760 mmcio->cmd.flags = MMC_RSP_R2 | MMC_CMD_BCR; 761 mmcio->stop.opcode = 0; 762 break; 763 case PROBE_SEND_RELATIVE_ADDR: 764 init_standard_ccb(start_ccb, XPT_MMC_IO); 765 mmcio->cmd.opcode = SD_SEND_RELATIVE_ADDR; 766 mmcio->cmd.arg = 0; 767 mmcio->cmd.flags = MMC_RSP_R6 | MMC_CMD_BCR; 768 mmcio->stop.opcode = 0; 769 break; 770 case PROBE_MMC_SET_RELATIVE_ADDR: 771 init_standard_ccb(start_ccb, XPT_MMC_IO); 772 mmcio->cmd.opcode = MMC_SET_RELATIVE_ADDR; 773 mmcio->cmd.arg = MMC_PROPOSED_RCA << 16; 774 mmcio->cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; 775 mmcio->stop.opcode = 0; 776 break; 777 case PROBE_SELECT_CARD: 778 init_standard_ccb(start_ccb, XPT_MMC_IO); 779 mmcio->cmd.opcode = MMC_SELECT_CARD; 780 mmcio->cmd.arg = (uint32_t)path->device->mmc_ident_data.card_rca << 16; 781 mmcio->cmd.flags = MMC_RSP_R1B | MMC_CMD_AC; 782 mmcio->stop.opcode = 0; 783 break; 784 case PROBE_GET_CSD: /* XXX move to mmc_da */ 785 init_standard_ccb(start_ccb, XPT_MMC_IO); 786 mmcio->cmd.opcode = MMC_SEND_CSD; 787 mmcio->cmd.arg = (uint32_t)path->device->mmc_ident_data.card_rca << 16; 788 mmcio->cmd.flags = MMC_RSP_R2 | MMC_CMD_BCR; 789 mmcio->stop.opcode = 0; 790 break; 791 case PROBE_DONE: 792 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Start with PROBE_DONE\n")); 793 init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS); 794 cts->ios.bus_mode = pushpull; 795 cts->ios_valid = MMC_BM; 796 xpt_action(start_ccb); 797 return; 798 /* NOTREACHED */ 799 break; 800 case PROBE_INVALID: 801 break; 802 default: 803 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("probestart: invalid action state 0x%x\n", softc->action)); 804 panic("default: case in mmc_probe_start()"); 805 } 806 807 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 808 xpt_action(start_ccb); 809 } 810 811 static void mmcprobe_cleanup(struct cam_periph *periph) 812 { 813 free(periph->softc, M_CAMXPT); 814 } 815 816 static void 817 mmcprobe_done(struct cam_periph *periph, union ccb *done_ccb) 818 { 819 mmcprobe_softc *softc; 820 struct cam_path *path; 821 822 int err; 823 struct ccb_mmcio *mmcio; 824 u_int32_t priority; 825 826 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("mmcprobe_done\n")); 827 softc = (mmcprobe_softc *)periph->softc; 828 path = done_ccb->ccb_h.path; 829 priority = done_ccb->ccb_h.pinfo.priority; 830 831 switch (softc->action) { 832 case PROBE_RESET: 833 /* FALLTHROUGH */ 834 case PROBE_IDENTIFY: 835 { 836 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("done with PROBE_RESET\n")); 837 PROBE_SET_ACTION(softc, PROBE_POWER_OFF); 838 break; 839 } 840 case PROBE_POWER_OFF: 841 { 842 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("done with PROBE_POWER_OFF\n")); 843 PROBE_SET_ACTION(softc, PROBE_GET_HOST_OCR); 844 break; 845 } 846 case PROBE_GET_HOST_OCR: 847 { 848 struct ccb_trans_settings_mmc *cts; 849 cts = &done_ccb->cts.proto_specific.mmc; 850 softc->host_ocr = cts->host_ocr; 851 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("done with PROBE_GET_HOST_OCR (Got OCR=%x\n", softc->host_ocr)); 852 PROBE_SET_ACTION(softc, PROBE_RESET_BUS); 853 break; 854 } 855 case PROBE_RESET_BUS: 856 { 857 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("done with PROBE_RESET_BUS\n")); 858 PROBE_SET_ACTION(softc, PROBE_SET_ID_FREQ); 859 break; 860 } 861 case PROBE_SET_ID_FREQ: 862 { 863 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("done with PROBE_SET_ID_FREQ\n")); 864 PROBE_SET_ACTION(softc, PROBE_SET_CS); 865 break; 866 } 867 case PROBE_SET_CS: 868 { 869 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("done with PROBE_SET_CS\n")); 870 PROBE_SET_ACTION(softc, PROBE_GO_IDLE_STATE); 871 break; 872 } 873 case PROBE_GO_IDLE_STATE: 874 { 875 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("done with PROBE_GO_IDLE_STATE\n")); 876 mmcio = &done_ccb->mmcio; 877 err = mmcio->cmd.error; 878 879 if (err != MMC_ERR_NONE) { 880 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 881 ("GO_IDLE_STATE failed with error %d\n", 882 err)); 883 884 /* There was a device there, but now it's gone... */ 885 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 886 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 887 ("Device lost!\n")); 888 889 xpt_async(AC_LOST_DEVICE, path, NULL); 890 } 891 PROBE_SET_ACTION(softc, PROBE_INVALID); 892 break; 893 } 894 path->device->protocol = PROTO_MMCSD; 895 PROBE_SET_ACTION(softc, PROBE_SEND_IF_COND); 896 break; 897 } 898 case PROBE_SEND_IF_COND: 899 { 900 mmcio = &done_ccb->mmcio; 901 err = mmcio->cmd.error; 902 struct mmc_params *mmcp = &path->device->mmc_ident_data; 903 904 if (err != MMC_ERR_NONE || mmcio->cmd.resp[0] != 0x1AA) { 905 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 906 ("IF_COND: error %d, pattern %08x\n", 907 err, mmcio->cmd.resp[0])); 908 } else { 909 mmcp->card_features |= CARD_FEATURE_SD20; 910 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 911 ("SD 2.0 interface conditions: OK\n")); 912 } 913 PROBE_SET_ACTION(softc, PROBE_SDIO_RESET); 914 break; 915 } 916 case PROBE_SDIO_RESET: 917 { 918 mmcio = &done_ccb->mmcio; 919 err = mmcio->cmd.error; 920 921 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 922 ("SDIO_RESET: error %d, CCCR CTL register: %08x\n", 923 err, mmcio->cmd.resp[0])); 924 PROBE_SET_ACTION(softc, PROBE_SDIO_INIT); 925 break; 926 } 927 case PROBE_SDIO_INIT: 928 { 929 mmcio = &done_ccb->mmcio; 930 err = mmcio->cmd.error; 931 struct mmc_params *mmcp = &path->device->mmc_ident_data; 932 933 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 934 ("SDIO_INIT: error %d, %08x %08x %08x %08x\n", 935 err, mmcio->cmd.resp[0], 936 mmcio->cmd.resp[1], 937 mmcio->cmd.resp[2], 938 mmcio->cmd.resp[3])); 939 940 /* 941 * Error here means that this card is not SDIO, 942 * so proceed with memory init as if nothing has happened 943 */ 944 if (err != MMC_ERR_NONE) { 945 PROBE_SET_ACTION(softc, PROBE_SEND_APP_OP_COND); 946 break; 947 } 948 mmcp->card_features |= CARD_FEATURE_SDIO; 949 uint32_t ioifcond = mmcio->cmd.resp[0]; 950 uint32_t io_ocr = ioifcond & R4_IO_OCR_MASK; 951 952 mmcp->sdio_func_count = R4_IO_NUM_FUNCTIONS(ioifcond); 953 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 954 ("SDIO card: %d functions\n", mmcp->sdio_func_count)); 955 if (io_ocr == 0) { 956 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 957 ("SDIO OCR invalid, retrying\n")); 958 break; /* Retry */ 959 } 960 961 if (io_ocr != 0 && mmcp->io_ocr == 0) { 962 mmcp->io_ocr = io_ocr; 963 break; /* Retry, this time with non-0 OCR */ 964 } 965 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 966 ("SDIO OCR: %08x\n", mmcp->io_ocr)); 967 968 if (ioifcond & R4_IO_MEM_PRESENT) { 969 /* Combo card -- proceed to memory initialization */ 970 PROBE_SET_ACTION(softc, PROBE_SEND_APP_OP_COND); 971 } else { 972 /* No memory portion -- get RCA and select card */ 973 PROBE_SET_ACTION(softc, PROBE_SEND_RELATIVE_ADDR); 974 } 975 break; 976 } 977 case PROBE_MMC_INIT: 978 { 979 mmcio = &done_ccb->mmcio; 980 err = mmcio->cmd.error; 981 struct mmc_params *mmcp = &path->device->mmc_ident_data; 982 983 if (err != MMC_ERR_NONE) { 984 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 985 ("MMC_INIT: error %d, resp %08x\n", 986 err, mmcio->cmd.resp[0])); 987 PROBE_SET_ACTION(softc, PROBE_INVALID); 988 break; 989 } 990 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 991 ("MMC card, OCR %08x\n", mmcio->cmd.resp[0])); 992 993 if (mmcp->card_ocr == 0) { 994 /* We haven't sent the OCR to the card yet -- do it */ 995 mmcp->card_ocr = mmcio->cmd.resp[0]; 996 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 997 ("-> sending OCR to card\n")); 998 break; 999 } 1000 1001 if (!(mmcio->cmd.resp[0] & MMC_OCR_CARD_BUSY)) { 1002 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1003 ("Card is still powering up\n")); 1004 break; 1005 } 1006 1007 mmcp->card_features |= CARD_FEATURE_MMC | CARD_FEATURE_MEMORY; 1008 PROBE_SET_ACTION(softc, PROBE_GET_CID); 1009 break; 1010 } 1011 case PROBE_SEND_APP_OP_COND: 1012 { 1013 mmcio = &done_ccb->mmcio; 1014 err = mmcio->cmd.error; 1015 1016 if (err != MMC_ERR_NONE) { 1017 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1018 ("APP_OP_COND: error %d, resp %08x\n", 1019 err, mmcio->cmd.resp[0])); 1020 PROBE_SET_ACTION(softc, PROBE_MMC_INIT); 1021 break; 1022 } 1023 1024 if (!(softc->flags & PROBE_FLAG_ACMD_SENT)) { 1025 /* Don't change the state */ 1026 softc->flags |= PROBE_FLAG_ACMD_SENT; 1027 break; 1028 } 1029 1030 softc->flags &= ~PROBE_FLAG_ACMD_SENT; 1031 if ((mmcio->cmd.resp[0] & MMC_OCR_CARD_BUSY) || 1032 (mmcio->cmd.arg & MMC_OCR_VOLTAGE) == 0) { 1033 struct mmc_params *mmcp = &path->device->mmc_ident_data; 1034 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1035 ("Card OCR: %08x\n", mmcio->cmd.resp[0])); 1036 if (mmcp->card_ocr == 0) { 1037 mmcp->card_ocr = mmcio->cmd.resp[0]; 1038 /* Now when we know OCR that we want -- send it to card */ 1039 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1040 ("-> sending OCR to card\n")); 1041 } else { 1042 /* We already know the OCR and despite of that we 1043 * are processing the answer to ACMD41 -> move on 1044 */ 1045 PROBE_SET_ACTION(softc, PROBE_GET_CID); 1046 } 1047 /* Getting an answer to ACMD41 means the card has memory */ 1048 mmcp->card_features |= CARD_FEATURE_MEMORY; 1049 1050 /* Standard capacity vs High Capacity memory card */ 1051 if (mmcio->cmd.resp[0] & MMC_OCR_CCS) { 1052 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1053 ("Card is SDHC\n")); 1054 mmcp->card_features |= CARD_FEATURE_SDHC; 1055 } 1056 1057 /* Whether the card supports 1.8V signaling */ 1058 if (mmcio->cmd.resp[0] & MMC_OCR_S18A) { 1059 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1060 ("Card supports 1.8V signaling\n")); 1061 mmcp->card_features |= CARD_FEATURE_18V; 1062 if (softc->flags & PROBE_FLAG_HOST_CAN_DO_18V) { 1063 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1064 ("Host supports 1.8V signaling. Switch voltage!\n")); 1065 done_ccb->ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1066 done_ccb->ccb_h.flags = CAM_DIR_NONE; 1067 done_ccb->ccb_h.retry_count = 0; 1068 done_ccb->ccb_h.timeout = 100; 1069 done_ccb->ccb_h.cbfcnp = NULL; 1070 done_ccb->cts.proto_specific.mmc.ios.vccq = vccq_180; 1071 done_ccb->cts.proto_specific.mmc.ios_valid = MMC_VCCQ; 1072 xpt_action(done_ccb); 1073 } 1074 } 1075 } else { 1076 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1077 ("Card not ready: %08x\n", mmcio->cmd.resp[0])); 1078 /* Send CMD55+ACMD41 once again */ 1079 PROBE_SET_ACTION(softc, PROBE_SEND_APP_OP_COND); 1080 } 1081 1082 break; 1083 } 1084 case PROBE_GET_CID: /* XXX move to mmc_da */ 1085 { 1086 mmcio = &done_ccb->mmcio; 1087 err = mmcio->cmd.error; 1088 1089 if (err != MMC_ERR_NONE) { 1090 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1091 ("PROBE_GET_CID: error %d\n", err)); 1092 PROBE_SET_ACTION(softc, PROBE_INVALID); 1093 break; 1094 } 1095 1096 struct mmc_params *mmcp = &path->device->mmc_ident_data; 1097 memcpy(mmcp->card_cid, mmcio->cmd.resp, 4 * sizeof(uint32_t)); 1098 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1099 ("CID %08x%08x%08x%08x\n", 1100 mmcp->card_cid[0], 1101 mmcp->card_cid[1], 1102 mmcp->card_cid[2], 1103 mmcp->card_cid[3])); 1104 if (mmcp->card_features & CARD_FEATURE_MMC) 1105 PROBE_SET_ACTION(softc, PROBE_MMC_SET_RELATIVE_ADDR); 1106 else 1107 PROBE_SET_ACTION(softc, PROBE_SEND_RELATIVE_ADDR); 1108 break; 1109 } 1110 case PROBE_SEND_RELATIVE_ADDR: { 1111 mmcio = &done_ccb->mmcio; 1112 err = mmcio->cmd.error; 1113 struct mmc_params *mmcp = &path->device->mmc_ident_data; 1114 uint16_t rca = mmcio->cmd.resp[0] >> 16; 1115 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1116 ("Card published RCA: %u\n", rca)); 1117 path->device->mmc_ident_data.card_rca = rca; 1118 if (err != MMC_ERR_NONE) { 1119 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1120 ("PROBE_SEND_RELATIVE_ADDR: error %d\n", err)); 1121 PROBE_SET_ACTION(softc, PROBE_INVALID); 1122 break; 1123 } 1124 1125 /* If memory is present, get CSD, otherwise select card */ 1126 if (mmcp->card_features & CARD_FEATURE_MEMORY) 1127 PROBE_SET_ACTION(softc, PROBE_GET_CSD); 1128 else 1129 PROBE_SET_ACTION(softc, PROBE_SELECT_CARD); 1130 break; 1131 } 1132 case PROBE_MMC_SET_RELATIVE_ADDR: 1133 mmcio = &done_ccb->mmcio; 1134 err = mmcio->cmd.error; 1135 if (err != MMC_ERR_NONE) { 1136 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1137 ("PROBE_MMC_SET_RELATIVE_ADDR: error %d\n", err)); 1138 PROBE_SET_ACTION(softc, PROBE_INVALID); 1139 break; 1140 } 1141 path->device->mmc_ident_data.card_rca = MMC_PROPOSED_RCA; 1142 PROBE_SET_ACTION(softc, PROBE_GET_CSD); 1143 break; 1144 case PROBE_GET_CSD: { 1145 mmcio = &done_ccb->mmcio; 1146 err = mmcio->cmd.error; 1147 1148 if (err != MMC_ERR_NONE) { 1149 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1150 ("PROBE_GET_CSD: error %d\n", err)); 1151 PROBE_SET_ACTION(softc, PROBE_INVALID); 1152 break; 1153 } 1154 1155 struct mmc_params *mmcp = &path->device->mmc_ident_data; 1156 memcpy(mmcp->card_csd, mmcio->cmd.resp, 4 * sizeof(uint32_t)); 1157 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1158 ("CSD %08x%08x%08x%08x\n", 1159 mmcp->card_csd[0], 1160 mmcp->card_csd[1], 1161 mmcp->card_csd[2], 1162 mmcp->card_csd[3])); 1163 PROBE_SET_ACTION(softc, PROBE_SELECT_CARD); 1164 break; 1165 } 1166 case PROBE_SELECT_CARD: { 1167 mmcio = &done_ccb->mmcio; 1168 err = mmcio->cmd.error; 1169 if (err != MMC_ERR_NONE) { 1170 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1171 ("PROBE_SEND_RELATIVE_ADDR: error %d\n", err)); 1172 PROBE_SET_ACTION(softc, PROBE_INVALID); 1173 break; 1174 } 1175 1176 PROBE_SET_ACTION(softc, PROBE_DONE); 1177 break; 1178 } 1179 default: 1180 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1181 ("mmcprobe_done: invalid action state 0x%x\n", softc->action)); 1182 panic("default: case in mmc_probe_done()"); 1183 } 1184 1185 if (softc->action == PROBE_INVALID && 1186 (path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1187 xpt_async(AC_LOST_DEVICE, path, NULL); 1188 } 1189 1190 if (softc->action != PROBE_INVALID) 1191 xpt_schedule(periph, priority); 1192 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1193 int frozen = cam_release_devq(path, 0, 0, 0, FALSE); 1194 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, 1195 ("mmcprobe_done: remaining freeze count %d\n", frozen)); 1196 1197 if (softc->action == PROBE_DONE) { 1198 /* Notify the system that the device is found! */ 1199 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1200 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1201 xpt_acquire_device(path->device); 1202 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1203 xpt_action(done_ccb); 1204 xpt_async(AC_FOUND_DEVICE, path, done_ccb); 1205 } 1206 } 1207 xpt_release_ccb(done_ccb); 1208 if (softc->action == PROBE_DONE || softc->action == PROBE_INVALID) { 1209 cam_periph_invalidate(periph); 1210 cam_periph_release_locked(periph); 1211 } 1212 } 1213 1214 void 1215 mmc_path_inq(struct ccb_pathinq *cpi, const char *hba, 1216 const struct cam_sim *sim, size_t maxio) 1217 { 1218 1219 cpi->version_num = 1; 1220 cpi->hba_inquiry = 0; 1221 cpi->target_sprt = 0; 1222 cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN; 1223 cpi->hba_eng_cnt = 0; 1224 cpi->max_target = 0; 1225 cpi->max_lun = 0; 1226 cpi->initiator_id = 1; 1227 cpi->maxio = maxio; 1228 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1229 strncpy(cpi->hba_vid, hba, HBA_IDLEN); 1230 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1231 cpi->unit_number = cam_sim_unit(sim); 1232 cpi->bus_id = cam_sim_bus(sim); 1233 cpi->protocol = PROTO_MMCSD; 1234 cpi->protocol_version = SCSI_REV_0; 1235 cpi->transport = XPORT_MMCSD; 1236 cpi->transport_version = 1; 1237 1238 cpi->base_transfer_speed = 100; /* XXX WTF? */ 1239 1240 cpi->ccb_h.status = CAM_REQ_CMP; 1241 } 1242