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