Lines Matching full:card
17 #include <linux/mmc/card.h>
21 #include "card.h"
68 static int mmc_decode_cid(struct mmc_card *card) in mmc_decode_cid() argument
70 u32 *resp = card->raw_cid; in mmc_decode_cid()
76 switch (card->csd.mmca_vsn) { in mmc_decode_cid()
79 card->cid.manfid = UNSTUFF_BITS(resp, 104, 24); in mmc_decode_cid()
80 card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8); in mmc_decode_cid()
81 card->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8); in mmc_decode_cid()
82 card->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8); in mmc_decode_cid()
83 card->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8); in mmc_decode_cid()
84 card->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8); in mmc_decode_cid()
85 card->cid.prod_name[5] = UNSTUFF_BITS(resp, 56, 8); in mmc_decode_cid()
86 card->cid.prod_name[6] = UNSTUFF_BITS(resp, 48, 8); in mmc_decode_cid()
87 card->cid.hwrev = UNSTUFF_BITS(resp, 44, 4); in mmc_decode_cid()
88 card->cid.fwrev = UNSTUFF_BITS(resp, 40, 4); in mmc_decode_cid()
89 card->cid.serial = UNSTUFF_BITS(resp, 16, 24); in mmc_decode_cid()
90 card->cid.month = UNSTUFF_BITS(resp, 12, 4); in mmc_decode_cid()
91 card->cid.year = UNSTUFF_BITS(resp, 8, 4) + 1997; in mmc_decode_cid()
97 card->cid.manfid = UNSTUFF_BITS(resp, 120, 8); in mmc_decode_cid()
98 card->cid.oemid = UNSTUFF_BITS(resp, 104, 16); in mmc_decode_cid()
99 card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8); in mmc_decode_cid()
100 card->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8); in mmc_decode_cid()
101 card->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8); in mmc_decode_cid()
102 card->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8); in mmc_decode_cid()
103 card->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8); in mmc_decode_cid()
104 card->cid.prod_name[5] = UNSTUFF_BITS(resp, 56, 8); in mmc_decode_cid()
105 card->cid.prv = UNSTUFF_BITS(resp, 48, 8); in mmc_decode_cid()
106 card->cid.serial = UNSTUFF_BITS(resp, 16, 32); in mmc_decode_cid()
107 card->cid.month = UNSTUFF_BITS(resp, 12, 4); in mmc_decode_cid()
108 card->cid.year = UNSTUFF_BITS(resp, 8, 4) + 1997; in mmc_decode_cid()
112 pr_err("%s: card has unknown MMCA version %d\n", in mmc_decode_cid()
113 mmc_hostname(card->host), card->csd.mmca_vsn); in mmc_decode_cid()
120 static void mmc_set_erase_size(struct mmc_card *card) in mmc_set_erase_size() argument
122 if (card->ext_csd.erase_group_def & 1) in mmc_set_erase_size()
123 card->erase_size = card->ext_csd.hc_erase_size; in mmc_set_erase_size()
125 card->erase_size = card->csd.erase_size; in mmc_set_erase_size()
127 mmc_init_erase(card); in mmc_set_erase_size()
131 * Given a 128-bit response, decode to our card CSD structure.
133 static int mmc_decode_csd(struct mmc_card *card) in mmc_decode_csd() argument
135 struct mmc_csd *csd = &card->csd; in mmc_decode_csd()
137 u32 *resp = card->raw_csd; in mmc_decode_csd()
147 mmc_hostname(card->host), csd->structure); in mmc_decode_csd()
185 static void mmc_select_card_type(struct mmc_card *card) in mmc_select_card_type() argument
187 struct mmc_host *host = card->host; in mmc_select_card_type()
188 u8 card_type = card->ext_csd.raw_card_type; in mmc_select_card_type()
242 card->ext_csd.strobe_support && in mmc_select_card_type()
246 card->ext_csd.hs_max_dtr = hs_max_dtr; in mmc_select_card_type()
247 card->ext_csd.hs200_max_dtr = hs200_max_dtr; in mmc_select_card_type()
248 card->mmc_avail_type = avail_type; in mmc_select_card_type()
251 static void mmc_manage_enhanced_area(struct mmc_card *card, u8 *ext_csd) in mmc_manage_enhanced_area() argument
258 card->ext_csd.enhanced_area_offset = -EINVAL; in mmc_manage_enhanced_area()
259 card->ext_csd.enhanced_area_size = -EINVAL; in mmc_manage_enhanced_area()
263 * card has the Enhanced area enabled. If so, export enhanced in mmc_manage_enhanced_area()
268 if (card->ext_csd.partition_setting_completed) { in mmc_manage_enhanced_area()
277 card->ext_csd.enhanced_area_offset = in mmc_manage_enhanced_area()
282 if (mmc_card_blockaddr(card)) in mmc_manage_enhanced_area()
283 card->ext_csd.enhanced_area_offset <<= 9; in mmc_manage_enhanced_area()
287 card->ext_csd.enhanced_area_size = in mmc_manage_enhanced_area()
290 card->ext_csd.enhanced_area_size *= in mmc_manage_enhanced_area()
292 card->ext_csd.enhanced_area_size <<= 9; in mmc_manage_enhanced_area()
295 mmc_hostname(card->host)); in mmc_manage_enhanced_area()
300 static void mmc_part_add(struct mmc_card *card, u64 size, in mmc_part_add() argument
304 card->part[card->nr_parts].size = size; in mmc_part_add()
305 card->part[card->nr_parts].part_cfg = part_cfg; in mmc_part_add()
306 sprintf(card->part[card->nr_parts].name, name, idx); in mmc_part_add()
307 card->part[card->nr_parts].force_ro = ro; in mmc_part_add()
308 card->part[card->nr_parts].area_type = area_type; in mmc_part_add()
309 card->nr_parts++; in mmc_part_add()
312 static void mmc_manage_gp_partitions(struct mmc_card *card, u8 *ext_csd) in mmc_manage_gp_partitions() argument
335 if (card->ext_csd.partition_setting_completed == 0) { in mmc_manage_gp_partitions()
337 mmc_hostname(card->host)); in mmc_manage_gp_partitions()
347 mmc_part_add(card, part_size << 19, in mmc_manage_gp_partitions()
361 static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) in mmc_decode_ext_csd() argument
369 card->ext_csd.raw_ext_csd_structure = ext_csd[EXT_CSD_STRUCTURE]; in mmc_decode_ext_csd()
370 if (card->csd.structure == 3) { in mmc_decode_ext_csd()
371 if (card->ext_csd.raw_ext_csd_structure > 2) { in mmc_decode_ext_csd()
373 "version %d\n", mmc_hostname(card->host), in mmc_decode_ext_csd()
374 card->ext_csd.raw_ext_csd_structure); in mmc_decode_ext_csd()
380 np = mmc_of_find_child_device(card->host, 0); in mmc_decode_ext_csd()
381 if (np && of_device_is_compatible(np, "mmc-card")) in mmc_decode_ext_csd()
390 card->ext_csd.rev = ext_csd[EXT_CSD_REV]; in mmc_decode_ext_csd()
393 mmc_fixup_device(card, mmc_ext_csd_fixups); in mmc_decode_ext_csd()
395 card->ext_csd.raw_sectors[0] = ext_csd[EXT_CSD_SEC_CNT + 0]; in mmc_decode_ext_csd()
396 card->ext_csd.raw_sectors[1] = ext_csd[EXT_CSD_SEC_CNT + 1]; in mmc_decode_ext_csd()
397 card->ext_csd.raw_sectors[2] = ext_csd[EXT_CSD_SEC_CNT + 2]; in mmc_decode_ext_csd()
398 card->ext_csd.raw_sectors[3] = ext_csd[EXT_CSD_SEC_CNT + 3]; in mmc_decode_ext_csd()
399 if (card->ext_csd.rev >= 2) { in mmc_decode_ext_csd()
400 card->ext_csd.sectors = in mmc_decode_ext_csd()
407 if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512) in mmc_decode_ext_csd()
408 mmc_card_set_blockaddr(card); in mmc_decode_ext_csd()
411 card->ext_csd.strobe_support = ext_csd[EXT_CSD_STROBE_SUPPORT]; in mmc_decode_ext_csd()
412 card->ext_csd.raw_card_type = ext_csd[EXT_CSD_CARD_TYPE]; in mmc_decode_ext_csd()
413 mmc_select_card_type(card); in mmc_decode_ext_csd()
415 card->ext_csd.raw_s_a_timeout = ext_csd[EXT_CSD_S_A_TIMEOUT]; in mmc_decode_ext_csd()
416 card->ext_csd.raw_erase_timeout_mult = in mmc_decode_ext_csd()
418 card->ext_csd.raw_hc_erase_grp_size = in mmc_decode_ext_csd()
420 if (card->ext_csd.rev >= 3) { in mmc_decode_ext_csd()
422 card->ext_csd.part_config = ext_csd[EXT_CSD_PART_CONFIG]; in mmc_decode_ext_csd()
425 card->ext_csd.part_time = 10 * ext_csd[EXT_CSD_PART_SWITCH_TIME]; in mmc_decode_ext_csd()
427 if (card->ext_csd.part_time && in mmc_decode_ext_csd()
428 card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME) in mmc_decode_ext_csd()
429 card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME; in mmc_decode_ext_csd()
433 card->ext_csd.sa_timeout = in mmc_decode_ext_csd()
435 card->ext_csd.erase_group_def = in mmc_decode_ext_csd()
437 card->ext_csd.hc_erase_timeout = 300 * in mmc_decode_ext_csd()
439 card->ext_csd.hc_erase_size = in mmc_decode_ext_csd()
442 card->ext_csd.rel_sectors = ext_csd[EXT_CSD_REL_WR_SEC_C]; in mmc_decode_ext_csd()
448 if (ext_csd[EXT_CSD_BOOT_MULT] && mmc_boot_partition_access(card->host)) { in mmc_decode_ext_csd()
451 mmc_part_add(card, part_size, in mmc_decode_ext_csd()
459 card->ext_csd.raw_hc_erase_gap_size = in mmc_decode_ext_csd()
461 card->ext_csd.raw_sec_trim_mult = in mmc_decode_ext_csd()
463 card->ext_csd.raw_sec_erase_mult = in mmc_decode_ext_csd()
465 card->ext_csd.raw_sec_feature_support = in mmc_decode_ext_csd()
467 card->ext_csd.raw_trim_mult = in mmc_decode_ext_csd()
469 card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT]; in mmc_decode_ext_csd()
470 card->ext_csd.raw_driver_strength = ext_csd[EXT_CSD_DRIVER_STRENGTH]; in mmc_decode_ext_csd()
471 if (card->ext_csd.rev >= 4) { in mmc_decode_ext_csd()
474 card->ext_csd.partition_setting_completed = 1; in mmc_decode_ext_csd()
476 card->ext_csd.partition_setting_completed = 0; in mmc_decode_ext_csd()
478 mmc_manage_enhanced_area(card, ext_csd); in mmc_decode_ext_csd()
480 mmc_manage_gp_partitions(card, ext_csd); in mmc_decode_ext_csd()
482 card->ext_csd.sec_trim_mult = in mmc_decode_ext_csd()
484 card->ext_csd.sec_erase_mult = in mmc_decode_ext_csd()
486 card->ext_csd.sec_feature_support = in mmc_decode_ext_csd()
488 card->ext_csd.trim_timeout = 300 * in mmc_decode_ext_csd()
496 card->ext_csd.boot_ro_lock = ext_csd[EXT_CSD_BOOT_WP]; in mmc_decode_ext_csd()
497 card->ext_csd.boot_ro_lockable = true; in mmc_decode_ext_csd()
500 card->ext_csd.raw_pwr_cl_52_195 = in mmc_decode_ext_csd()
502 card->ext_csd.raw_pwr_cl_26_195 = in mmc_decode_ext_csd()
504 card->ext_csd.raw_pwr_cl_52_360 = in mmc_decode_ext_csd()
506 card->ext_csd.raw_pwr_cl_26_360 = in mmc_decode_ext_csd()
508 card->ext_csd.raw_pwr_cl_200_195 = in mmc_decode_ext_csd()
510 card->ext_csd.raw_pwr_cl_200_360 = in mmc_decode_ext_csd()
512 card->ext_csd.raw_pwr_cl_ddr_52_195 = in mmc_decode_ext_csd()
514 card->ext_csd.raw_pwr_cl_ddr_52_360 = in mmc_decode_ext_csd()
516 card->ext_csd.raw_pwr_cl_ddr_200_360 = in mmc_decode_ext_csd()
520 if (card->ext_csd.rev >= 5) { in mmc_decode_ext_csd()
522 if (card->cid.year < 2010) in mmc_decode_ext_csd()
523 card->cid.year += 16; in mmc_decode_ext_csd()
525 /* check whether the eMMC card supports BKOPS */ in mmc_decode_ext_csd()
527 card->ext_csd.bkops = 1; in mmc_decode_ext_csd()
528 card->ext_csd.man_bkops_en = in mmc_decode_ext_csd()
531 card->ext_csd.raw_bkops_status = in mmc_decode_ext_csd()
533 if (card->ext_csd.man_bkops_en) in mmc_decode_ext_csd()
535 mmc_hostname(card->host)); in mmc_decode_ext_csd()
536 card->ext_csd.auto_bkops_en = in mmc_decode_ext_csd()
539 if (card->ext_csd.auto_bkops_en) in mmc_decode_ext_csd()
541 mmc_hostname(card->host)); in mmc_decode_ext_csd()
544 /* check whether the eMMC card supports HPI */ in mmc_decode_ext_csd()
545 if (!mmc_card_broken_hpi(card) && in mmc_decode_ext_csd()
547 card->ext_csd.hpi = 1; in mmc_decode_ext_csd()
549 card->ext_csd.hpi_cmd = MMC_STOP_TRANSMISSION; in mmc_decode_ext_csd()
551 card->ext_csd.hpi_cmd = MMC_SEND_STATUS; in mmc_decode_ext_csd()
556 card->ext_csd.out_of_int_time = in mmc_decode_ext_csd()
560 card->ext_csd.rel_param = ext_csd[EXT_CSD_WR_REL_PARAM]; in mmc_decode_ext_csd()
561 card->ext_csd.rst_n_function = ext_csd[EXT_CSD_RST_N_FUNCTION]; in mmc_decode_ext_csd()
566 card->ext_csd.raw_rpmb_size_mult = ext_csd[EXT_CSD_RPMB_MULT]; in mmc_decode_ext_csd()
567 if (ext_csd[EXT_CSD_RPMB_MULT] && mmc_host_cmd23(card->host)) { in mmc_decode_ext_csd()
568 mmc_part_add(card, ext_csd[EXT_CSD_RPMB_MULT] << 17, in mmc_decode_ext_csd()
575 card->ext_csd.raw_erased_mem_count = ext_csd[EXT_CSD_ERASED_MEM_CONT]; in mmc_decode_ext_csd()
577 card->erased_byte = 0xFF; in mmc_decode_ext_csd()
579 card->erased_byte = 0x0; in mmc_decode_ext_csd()
582 card->ext_csd.generic_cmd6_time = DEFAULT_CMD6_TIMEOUT_MS; in mmc_decode_ext_csd()
583 if (card->ext_csd.rev >= 6) { in mmc_decode_ext_csd()
584 card->ext_csd.feature_support |= MMC_DISCARD_FEATURE; in mmc_decode_ext_csd()
586 card->ext_csd.generic_cmd6_time = 10 * in mmc_decode_ext_csd()
588 card->ext_csd.power_off_longtime = 10 * in mmc_decode_ext_csd()
591 card->ext_csd.cache_size = in mmc_decode_ext_csd()
598 card->ext_csd.data_sector_size = 4096; in mmc_decode_ext_csd()
600 card->ext_csd.data_sector_size = 512; in mmc_decode_ext_csd()
604 card->ext_csd.data_tag_unit_size = in mmc_decode_ext_csd()
606 (card->ext_csd.data_sector_size); in mmc_decode_ext_csd()
608 card->ext_csd.data_tag_unit_size = 0; in mmc_decode_ext_csd()
611 card->ext_csd.max_packed_writes = in mmc_decode_ext_csd()
613 card->ext_csd.max_packed_reads = in mmc_decode_ext_csd()
616 card->ext_csd.data_sector_size = 512; in mmc_decode_ext_csd()
620 if (card->ext_csd.rev >= 7) { in mmc_decode_ext_csd()
621 memcpy(card->ext_csd.fwrev, &ext_csd[EXT_CSD_FIRMWARE_VERSION], in mmc_decode_ext_csd()
623 card->ext_csd.ffu_capable = in mmc_decode_ext_csd()
627 card->ext_csd.pre_eol_info = ext_csd[EXT_CSD_PRE_EOL_INFO]; in mmc_decode_ext_csd()
628 card->ext_csd.device_life_time_est_typ_a = in mmc_decode_ext_csd()
630 card->ext_csd.device_life_time_est_typ_b = in mmc_decode_ext_csd()
635 if (card->ext_csd.rev >= 8) { in mmc_decode_ext_csd()
636 card->ext_csd.cmdq_support = ext_csd[EXT_CSD_CMDQ_SUPPORT] & in mmc_decode_ext_csd()
638 card->ext_csd.cmdq_depth = (ext_csd[EXT_CSD_CMDQ_DEPTH] & in mmc_decode_ext_csd()
641 if (card->ext_csd.cmdq_depth <= 2) { in mmc_decode_ext_csd()
642 card->ext_csd.cmdq_support = false; in mmc_decode_ext_csd()
643 card->ext_csd.cmdq_depth = 0; in mmc_decode_ext_csd()
645 if (card->ext_csd.cmdq_support) { in mmc_decode_ext_csd()
647 mmc_hostname(card->host), in mmc_decode_ext_csd()
648 card->ext_csd.cmdq_depth); in mmc_decode_ext_csd()
650 card->ext_csd.enhanced_rpmb_supported = in mmc_decode_ext_csd()
651 (card->ext_csd.rel_param & in mmc_decode_ext_csd()
658 static int mmc_read_ext_csd(struct mmc_card *card) in mmc_read_ext_csd() argument
663 if (!mmc_can_ext_csd(card)) in mmc_read_ext_csd()
666 err = mmc_get_ext_csd(card, &ext_csd); in mmc_read_ext_csd()
668 /* If the host or the card can't do the switch, in mmc_read_ext_csd()
679 if (card->csd.capacity == (4096 * 512)) { in mmc_read_ext_csd()
680 pr_err("%s: unable to read EXT_CSD on a possible high capacity card. Card will be ignored.\n", in mmc_read_ext_csd()
681 mmc_hostname(card->host)); in mmc_read_ext_csd()
684 mmc_hostname(card->host)); in mmc_read_ext_csd()
691 err = mmc_decode_ext_csd(card, ext_csd); in mmc_read_ext_csd()
696 static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width) in mmc_compare_ext_csds() argument
704 err = mmc_get_ext_csd(card, &bw_ext_csd); in mmc_compare_ext_csds()
709 err = !((card->ext_csd.raw_partition_support == in mmc_compare_ext_csds()
711 (card->ext_csd.raw_erased_mem_count == in mmc_compare_ext_csds()
713 (card->ext_csd.rev == in mmc_compare_ext_csds()
715 (card->ext_csd.raw_ext_csd_structure == in mmc_compare_ext_csds()
717 (card->ext_csd.raw_card_type == in mmc_compare_ext_csds()
719 (card->ext_csd.raw_s_a_timeout == in mmc_compare_ext_csds()
721 (card->ext_csd.raw_hc_erase_gap_size == in mmc_compare_ext_csds()
723 (card->ext_csd.raw_erase_timeout_mult == in mmc_compare_ext_csds()
725 (card->ext_csd.raw_hc_erase_grp_size == in mmc_compare_ext_csds()
727 (card->ext_csd.raw_sec_trim_mult == in mmc_compare_ext_csds()
729 (card->ext_csd.raw_sec_erase_mult == in mmc_compare_ext_csds()
731 (card->ext_csd.raw_sec_feature_support == in mmc_compare_ext_csds()
733 (card->ext_csd.raw_trim_mult == in mmc_compare_ext_csds()
735 (card->ext_csd.raw_sectors[0] == in mmc_compare_ext_csds()
737 (card->ext_csd.raw_sectors[1] == in mmc_compare_ext_csds()
739 (card->ext_csd.raw_sectors[2] == in mmc_compare_ext_csds()
741 (card->ext_csd.raw_sectors[3] == in mmc_compare_ext_csds()
743 (card->ext_csd.raw_pwr_cl_52_195 == in mmc_compare_ext_csds()
745 (card->ext_csd.raw_pwr_cl_26_195 == in mmc_compare_ext_csds()
747 (card->ext_csd.raw_pwr_cl_52_360 == in mmc_compare_ext_csds()
749 (card->ext_csd.raw_pwr_cl_26_360 == in mmc_compare_ext_csds()
751 (card->ext_csd.raw_pwr_cl_200_195 == in mmc_compare_ext_csds()
753 (card->ext_csd.raw_pwr_cl_200_360 == in mmc_compare_ext_csds()
755 (card->ext_csd.raw_pwr_cl_ddr_52_195 == in mmc_compare_ext_csds()
757 (card->ext_csd.raw_pwr_cl_ddr_52_360 == in mmc_compare_ext_csds()
759 (card->ext_csd.raw_pwr_cl_ddr_200_360 == in mmc_compare_ext_csds()
769 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
770 card->raw_cid[2], card->raw_cid[3]);
771 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
772 card->raw_csd[2], card->raw_csd[3]);
773 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
774 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
775 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
776 MMC_DEV_ATTR(ffu_capable, "%d\n", card->ext_csd.ffu_capable);
777 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
778 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
779 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
780 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
781 MMC_DEV_ATTR(prv, "0x%x\n", card->cid.prv);
782 MMC_DEV_ATTR(rev, "0x%x\n", card->ext_csd.rev);
783 MMC_DEV_ATTR(pre_eol_info, "0x%02x\n", card->ext_csd.pre_eol_info);
785 card->ext_csd.device_life_time_est_typ_a,
786 card->ext_csd.device_life_time_est_typ_b);
787 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
789 card->ext_csd.enhanced_area_offset);
790 MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size);
791 MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult);
793 card->ext_csd.enhanced_rpmb_supported);
794 MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors);
795 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
796 MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
797 MMC_DEV_ATTR(cmdq_en, "%d\n", card->ext_csd.cmdq_en);
803 struct mmc_card *card = mmc_dev_to_card(dev); in mmc_fwrev_show() local
805 if (card->ext_csd.rev < 7) { in mmc_fwrev_show()
806 return sprintf(buf, "0x%x\n", card->cid.fwrev); in mmc_fwrev_show()
809 card->ext_csd.fwrev); in mmc_fwrev_show()
819 struct mmc_card *card = mmc_dev_to_card(dev); in mmc_dsr_show() local
820 struct mmc_host *host = card->host; in mmc_dsr_show()
822 if (card->csd.dsr_imp && host->dsr_req) in mmc_dsr_show()
871 static int __mmc_select_powerclass(struct mmc_card *card, in __mmc_select_powerclass() argument
874 struct mmc_host *host = card->host; in __mmc_select_powerclass()
875 struct mmc_ext_csd *ext_csd = &card->ext_csd; in __mmc_select_powerclass()
925 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in __mmc_select_powerclass()
928 card->ext_csd.generic_cmd6_time); in __mmc_select_powerclass()
934 static int mmc_select_powerclass(struct mmc_card *card) in mmc_select_powerclass() argument
936 struct mmc_host *host = card->host; in mmc_select_powerclass()
941 if (!mmc_can_ext_csd(card)) in mmc_select_powerclass()
949 ddr = card->mmc_avail_type & EXT_CSD_CARD_TYPE_DDR_52; in mmc_select_powerclass()
957 err = __mmc_select_powerclass(card, ext_csd_bits); in mmc_select_powerclass()
968 static void mmc_set_bus_speed(struct mmc_card *card) in mmc_set_bus_speed() argument
972 if ((mmc_card_hs200(card) || mmc_card_hs400(card)) && in mmc_set_bus_speed()
973 max_dtr > card->ext_csd.hs200_max_dtr) in mmc_set_bus_speed()
974 max_dtr = card->ext_csd.hs200_max_dtr; in mmc_set_bus_speed()
975 else if (mmc_card_hs(card) && max_dtr > card->ext_csd.hs_max_dtr) in mmc_set_bus_speed()
976 max_dtr = card->ext_csd.hs_max_dtr; in mmc_set_bus_speed()
977 else if (max_dtr > card->csd.max_dtr) in mmc_set_bus_speed()
978 max_dtr = card->csd.max_dtr; in mmc_set_bus_speed()
980 mmc_set_clock(card->host, max_dtr); in mmc_set_bus_speed()
988 static int mmc_select_bus_width(struct mmc_card *card) in mmc_select_bus_width() argument
998 struct mmc_host *host = card->host; in mmc_select_bus_width()
1002 if (!mmc_can_ext_csd(card) || in mmc_select_bus_width()
1022 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_bus_width()
1025 card->ext_csd.generic_cmd6_time); in mmc_select_bus_width()
1038 err = mmc_compare_ext_csds(card, bus_width); in mmc_select_bus_width()
1040 err = mmc_bus_test(card, bus_width); in mmc_select_bus_width()
1057 static int mmc_select_hs(struct mmc_card *card) in mmc_select_hs() argument
1061 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs()
1063 card->ext_csd.generic_cmd6_time, MMC_TIMING_MMC_HS, in mmc_select_hs()
1067 mmc_hostname(card->host), err); in mmc_select_hs()
1075 static int mmc_select_hs_ddr(struct mmc_card *card) in mmc_select_hs_ddr() argument
1077 struct mmc_host *host = card->host; in mmc_select_hs_ddr()
1081 if (!(card->mmc_avail_type & EXT_CSD_CARD_TYPE_DDR_52)) in mmc_select_hs_ddr()
1091 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs_ddr()
1094 card->ext_csd.generic_cmd6_time, in mmc_select_hs_ddr()
1112 * Even (e)MMC card can support 3.3v to 1.2v vccq, but not all in mmc_select_hs_ddr()
1128 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_DDR_1_2V) { in mmc_select_hs_ddr()
1134 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_DDR_1_8V && in mmc_select_hs_ddr()
1145 static int mmc_select_hs400(struct mmc_card *card) in mmc_select_hs400() argument
1147 struct mmc_host *host = card->host; in mmc_select_hs400()
1155 if (!(card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400 && in mmc_select_hs400()
1159 /* Switch card to HS mode */ in mmc_select_hs400()
1161 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400()
1163 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs400()
1179 max_dtr = card->ext_csd.hs_max_dtr; in mmc_select_hs400()
1182 err = mmc_switch_status(card, true); in mmc_select_hs400()
1189 /* Switch card to DDR */ in mmc_select_hs400()
1190 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400()
1193 card->ext_csd.generic_cmd6_time); in mmc_select_hs400()
1200 /* Switch card to HS400 */ in mmc_select_hs400()
1202 card->drive_strength << EXT_CSD_DRV_STR_SHIFT; in mmc_select_hs400()
1203 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400()
1205 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs400()
1215 mmc_set_bus_speed(card); in mmc_select_hs400()
1220 err = mmc_switch_status(card, true); in mmc_select_hs400()
1227 pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), in mmc_select_hs400()
1232 int mmc_hs200_to_hs400(struct mmc_card *card) in mmc_hs200_to_hs400() argument
1234 return mmc_select_hs400(card); in mmc_hs200_to_hs400()
1237 int mmc_hs400_to_hs200(struct mmc_card *card) in mmc_hs400_to_hs200() argument
1239 struct mmc_host *host = card->host; in mmc_hs400_to_hs200()
1245 max_dtr = card->ext_csd.hs_max_dtr; in mmc_hs400_to_hs200()
1250 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, in mmc_hs400_to_hs200()
1251 val, card->ext_csd.generic_cmd6_time, 0, in mmc_hs400_to_hs200()
1261 err = mmc_switch_status(card, true); in mmc_hs400_to_hs200()
1266 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, in mmc_hs400_to_hs200()
1267 EXT_CSD_BUS_WIDTH_8, card->ext_csd.generic_cmd6_time, in mmc_hs400_to_hs200()
1274 err = mmc_switch_status(card, true); in mmc_hs400_to_hs200()
1280 card->drive_strength << EXT_CSD_DRV_STR_SHIFT; in mmc_hs400_to_hs200()
1281 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, in mmc_hs400_to_hs200()
1282 val, card->ext_csd.generic_cmd6_time, 0, in mmc_hs400_to_hs200()
1294 err = mmc_switch_status(card, false); in mmc_hs400_to_hs200()
1298 mmc_set_bus_speed(card); in mmc_hs400_to_hs200()
1307 pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), in mmc_hs400_to_hs200()
1312 static void mmc_select_driver_type(struct mmc_card *card) in mmc_select_driver_type() argument
1315 int fixed_drv_type = card->host->fixed_drv_type; in mmc_select_driver_type()
1317 card_drv_type = card->ext_csd.raw_driver_strength | in mmc_select_driver_type()
1324 drive_strength = mmc_select_drive_strength(card, in mmc_select_driver_type()
1325 card->ext_csd.hs200_max_dtr, in mmc_select_driver_type()
1328 card->drive_strength = drive_strength; in mmc_select_driver_type()
1331 mmc_set_driver_type(card->host, drv_type); in mmc_select_driver_type()
1334 static int mmc_select_hs400es(struct mmc_card *card) in mmc_select_hs400es() argument
1336 struct mmc_host *host = card->host; in mmc_select_hs400es()
1345 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400_1_2V) in mmc_select_hs400es()
1348 if (err && card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400_1_8V) in mmc_select_hs400es()
1351 /* If fails try again during next card power cycle */ in mmc_select_hs400es()
1355 err = mmc_select_bus_width(card); in mmc_select_hs400es()
1363 /* Switch card to HS mode */ in mmc_select_hs400es()
1364 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400es()
1366 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs400es()
1375 err = mmc_switch_status(card, true); in mmc_select_hs400es()
1379 mmc_set_clock(host, card->ext_csd.hs_max_dtr); in mmc_select_hs400es()
1381 /* Switch card to DDR with strobe bit */ in mmc_select_hs400es()
1383 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400es()
1386 card->ext_csd.generic_cmd6_time); in mmc_select_hs400es()
1393 mmc_select_driver_type(card); in mmc_select_hs400es()
1395 /* Switch card to HS400 */ in mmc_select_hs400es()
1397 card->drive_strength << EXT_CSD_DRV_STR_SHIFT; in mmc_select_hs400es()
1398 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400es()
1400 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs400es()
1416 err = mmc_switch_status(card, true); in mmc_select_hs400es()
1423 pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), in mmc_select_hs400es()
1435 static int mmc_select_hs200(struct mmc_card *card) in mmc_select_hs200() argument
1437 struct mmc_host *host = card->host; in mmc_select_hs200()
1443 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200_1_2V) in mmc_select_hs200()
1446 if (err && card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200_1_8V) in mmc_select_hs200()
1449 /* If fails try again during next card power cycle */ in mmc_select_hs200()
1453 mmc_select_driver_type(card); in mmc_select_hs200()
1459 err = mmc_select_bus_width(card); in mmc_select_hs200()
1462 card->drive_strength << EXT_CSD_DRV_STR_SHIFT; in mmc_select_hs200()
1463 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs200()
1465 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs200()
1477 err = mmc_switch_status(card, false); in mmc_select_hs200()
1492 pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), in mmc_select_hs200()
1501 static int mmc_select_timing(struct mmc_card *card) in mmc_select_timing() argument
1505 if (!mmc_can_ext_csd(card)) in mmc_select_timing()
1508 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400ES) in mmc_select_timing()
1509 err = mmc_select_hs400es(card); in mmc_select_timing()
1510 else if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200) in mmc_select_timing()
1511 err = mmc_select_hs200(card); in mmc_select_timing()
1512 else if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS) in mmc_select_timing()
1513 err = mmc_select_hs(card); in mmc_select_timing()
1523 mmc_set_bus_speed(card); in mmc_select_timing()
1531 static int mmc_hs200_tuning(struct mmc_card *card) in mmc_hs200_tuning() argument
1533 struct mmc_host *host = card->host; in mmc_hs200_tuning()
1539 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400 && in mmc_hs200_tuning()
1544 return mmc_execute_tuning(card); in mmc_hs200_tuning()
1548 * Handle the detection and initialisation of a card.
1550 * In the case of a resume, "oldcard" will contain the card
1556 struct mmc_card *card; in mmc_init_card() local
1591 * Fetch CID from card. in mmc_init_card()
1599 pr_debug("%s: Perhaps the card was replaced\n", in mmc_init_card()
1605 card = oldcard; in mmc_init_card()
1608 * Allocate card structure. in mmc_init_card()
1610 card = mmc_alloc_card(host, &mmc_type); in mmc_init_card()
1611 if (IS_ERR(card)) { in mmc_init_card()
1612 err = PTR_ERR(card); in mmc_init_card()
1616 card->ocr = ocr; in mmc_init_card()
1617 card->type = MMC_TYPE_MMC; in mmc_init_card()
1618 card->rca = 1; in mmc_init_card()
1619 memcpy(card->raw_cid, cid, sizeof(card->raw_cid)); in mmc_init_card()
1626 host->ops->init_card(host, card); in mmc_init_card()
1629 * For native busses: set card RCA and quit open drain mode. in mmc_init_card()
1632 err = mmc_set_relative_addr(card); in mmc_init_card()
1641 * Fetch CSD from card. in mmc_init_card()
1643 err = mmc_send_csd(card, card->raw_csd); in mmc_init_card()
1647 err = mmc_decode_csd(card); in mmc_init_card()
1650 err = mmc_decode_cid(card); in mmc_init_card()
1659 if (card->csd.dsr_imp && host->dsr_req) in mmc_init_card()
1663 * Select card, as all following commands rely on that. in mmc_init_card()
1666 err = mmc_select_card(card); in mmc_init_card()
1673 err = mmc_read_ext_csd(card); in mmc_init_card()
1684 mmc_card_set_blockaddr(card); in mmc_init_card()
1687 mmc_set_erase_size(card); in mmc_init_card()
1691 if (card->ext_csd.rev >= 3) { in mmc_init_card()
1692 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_init_card()
1694 card->ext_csd.generic_cmd6_time); in mmc_init_card()
1706 card->ext_csd.enhanced_area_offset = -EINVAL; in mmc_init_card()
1707 card->ext_csd.enhanced_area_size = -EINVAL; in mmc_init_card()
1709 card->ext_csd.erase_group_def = 1; in mmc_init_card()
1715 mmc_set_erase_size(card); in mmc_init_card()
1722 if (card->ext_csd.part_config & EXT_CSD_PART_CONFIG_ACC_MASK) { in mmc_init_card()
1723 card->ext_csd.part_config &= ~EXT_CSD_PART_CONFIG_ACC_MASK; in mmc_init_card()
1724 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONFIG, in mmc_init_card()
1725 card->ext_csd.part_config, in mmc_init_card()
1726 card->ext_csd.part_time); in mmc_init_card()
1734 if (card->ext_csd.rev >= 6) { in mmc_init_card()
1735 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_init_card()
1738 card->ext_csd.generic_cmd6_time); in mmc_init_card()
1747 card->ext_csd.power_off_notification = EXT_CSD_POWER_ON; in mmc_init_card()
1751 if (mmc_can_discard(card)) in mmc_init_card()
1752 card->erase_arg = MMC_DISCARD_ARG; in mmc_init_card()
1753 else if (mmc_can_trim(card)) in mmc_init_card()
1754 card->erase_arg = MMC_TRIM_ARG; in mmc_init_card()
1756 card->erase_arg = MMC_ERASE_ARG; in mmc_init_card()
1761 err = mmc_select_timing(card); in mmc_init_card()
1765 if (mmc_card_hs200(card)) { in mmc_init_card()
1768 err = mmc_hs200_tuning(card); in mmc_init_card()
1770 err = mmc_select_hs400(card); in mmc_init_card()
1777 } else if (!mmc_card_hs400es(card)) { in mmc_init_card()
1779 err = mmc_select_bus_width(card); in mmc_init_card()
1780 if (err > 0 && mmc_card_hs(card)) { in mmc_init_card()
1781 err = mmc_select_hs_ddr(card); in mmc_init_card()
1790 mmc_select_powerclass(card); in mmc_init_card()
1795 if (card->ext_csd.hpi) { in mmc_init_card()
1796 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_init_card()
1798 card->ext_csd.generic_cmd6_time); in mmc_init_card()
1803 mmc_hostname(card->host)); in mmc_init_card()
1804 card->ext_csd.hpi_en = 0; in mmc_init_card()
1807 card->ext_csd.hpi_en = 1; in mmc_init_card()
1818 if (card->ext_csd.cache_size > 0) { in mmc_init_card()
1821 timeout_ms = max(card->ext_csd.generic_cmd6_time, timeout_ms); in mmc_init_card()
1822 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_init_card()
1832 mmc_hostname(card->host), err); in mmc_init_card()
1833 card->ext_csd.cache_ctrl = 0; in mmc_init_card()
1836 card->ext_csd.cache_ctrl = 1; in mmc_init_card()
1844 card->ext_csd.cmdq_en = false; in mmc_init_card()
1845 if (card->ext_csd.cmdq_support && host->caps2 & MMC_CAP2_CQE) { in mmc_init_card()
1846 err = mmc_cmdq_enable(card); in mmc_init_card()
1851 mmc_hostname(card->host)); in mmc_init_card()
1852 card->ext_csd.cmdq_support = false; in mmc_init_card()
1853 card->ext_csd.cmdq_depth = 0; in mmc_init_card()
1862 card->reenable_cmdq = card->ext_csd.cmdq_en; in mmc_init_card()
1865 err = host->cqe_ops->cqe_enable(host, card); in mmc_init_card()
1869 if (card->ext_csd.cmdq_en) { in mmc_init_card()
1889 host->card = card; in mmc_init_card()
1895 mmc_remove_card(card); in mmc_init_card()
1900 static int mmc_can_sleep(struct mmc_card *card) in mmc_can_sleep() argument
1902 return (card && card->ext_csd.rev >= 3); in mmc_can_sleep()
1908 struct mmc_card *card = host->card; in mmc_sleep() local
1909 unsigned int timeout_ms = DIV_ROUND_UP(card->ext_csd.sa_timeout, 10000); in mmc_sleep()
1912 /* Re-tuning can't be done once the card is deselected */ in mmc_sleep()
1920 cmd.arg = card->rca << 16; in mmc_sleep()
1944 * If the host does not wait while the card signals busy, then we will in mmc_sleep()
1947 * others) is invalid while the card sleeps. in mmc_sleep()
1957 static int mmc_can_poweroff_notify(const struct mmc_card *card) in mmc_can_poweroff_notify() argument
1959 return card && in mmc_can_poweroff_notify()
1960 mmc_card_mmc(card) && in mmc_can_poweroff_notify()
1961 (card->ext_csd.power_off_notification == EXT_CSD_POWER_ON); in mmc_can_poweroff_notify()
1964 static int mmc_poweroff_notify(struct mmc_card *card, unsigned int notify_type) in mmc_poweroff_notify() argument
1966 unsigned int timeout = card->ext_csd.generic_cmd6_time; in mmc_poweroff_notify()
1971 timeout = card->ext_csd.power_off_longtime; in mmc_poweroff_notify()
1973 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_poweroff_notify()
1978 mmc_hostname(card->host), timeout); in mmc_poweroff_notify()
1981 card->ext_csd.power_off_notification = EXT_CSD_NO_POWER_NOTIFICATION; in mmc_poweroff_notify()
1987 * Host is being removed. Free up the current card.
1991 mmc_remove_card(host->card); in mmc_remove()
1992 host->card = NULL; in mmc_remove()
1996 * Card detection - card is alive.
2000 return mmc_send_status(host->card, NULL); in mmc_alive()
2004 * Card detection callback from host.
2010 mmc_get_card(host->card, NULL); in mmc_detect()
2013 * Just check if our card has been removed. in mmc_detect()
2017 mmc_put_card(host->card, NULL); in mmc_detect()
2037 if (mmc_card_suspended(host->card)) in _mmc_suspend()
2040 err = mmc_flush_cache(host->card); in _mmc_suspend()
2044 if (mmc_can_poweroff_notify(host->card) && in _mmc_suspend()
2047 err = mmc_poweroff_notify(host->card, notify_type); in _mmc_suspend()
2048 else if (mmc_can_sleep(host->card)) in _mmc_suspend()
2055 mmc_card_set_suspended(host->card); in _mmc_suspend()
2071 pm_runtime_disable(&host->card->dev); in mmc_suspend()
2072 pm_runtime_set_suspended(&host->card->dev); in mmc_suspend()
2079 * This function tries to determine if the same card is still present
2088 if (!mmc_card_suspended(host->card)) in _mmc_resume()
2091 mmc_power_up(host, host->card->ocr); in _mmc_resume()
2092 err = mmc_init_card(host, host->card->ocr, host->card); in _mmc_resume()
2093 mmc_card_clr_suspended(host->card); in _mmc_resume()
2108 * In a specific case for poweroff notify, we need to resume the card in mmc_shutdown()
2111 if (mmc_can_poweroff_notify(host->card) && in mmc_shutdown()
2126 pm_runtime_enable(&host->card->dev); in mmc_resume()
2163 static int mmc_can_reset(struct mmc_card *card) in mmc_can_reset() argument
2167 rst_n_function = card->ext_csd.rst_n_function; in mmc_can_reset()
2175 struct mmc_card *card = host->card; in _mmc_hw_reset() local
2181 mmc_flush_cache(host->card); in _mmc_hw_reset()
2184 mmc_can_reset(card)) { in _mmc_hw_reset()
2185 /* If the card accept RST_n signal, send it. */ in _mmc_hw_reset()
2192 mmc_power_cycle(host, card->ocr); in _mmc_hw_reset()
2195 return mmc_init_card(host, card->ocr, card); in _mmc_hw_reset()
2211 * Starting point for MMC card init.
2244 * Can we support the voltage of the card? in mmc_attach_mmc()
2252 * Detect and init the card. in mmc_attach_mmc()
2259 err = mmc_add_card(host->card); in mmc_attach_mmc()
2267 mmc_remove_card(host->card); in mmc_attach_mmc()
2269 host->card = NULL; in mmc_attach_mmc()
2273 pr_err("%s: error %d whilst initialising MMC card\n", in mmc_attach_mmc()