Lines Matching full:card
17 #include <linux/mmc/card.h>
21 #include "card.h"
69 static int mmc_decode_cid(struct mmc_card *card) in mmc_decode_cid() argument
71 u32 *resp = card->raw_cid; in mmc_decode_cid()
77 switch (card->csd.mmca_vsn) { in mmc_decode_cid()
80 card->cid.manfid = UNSTUFF_BITS(resp, 104, 24); in mmc_decode_cid()
81 card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8); in mmc_decode_cid()
82 card->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8); in mmc_decode_cid()
83 card->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8); in mmc_decode_cid()
84 card->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8); in mmc_decode_cid()
85 card->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8); in mmc_decode_cid()
86 card->cid.prod_name[5] = UNSTUFF_BITS(resp, 56, 8); in mmc_decode_cid()
87 card->cid.prod_name[6] = UNSTUFF_BITS(resp, 48, 8); in mmc_decode_cid()
88 card->cid.hwrev = UNSTUFF_BITS(resp, 44, 4); in mmc_decode_cid()
89 card->cid.fwrev = UNSTUFF_BITS(resp, 40, 4); in mmc_decode_cid()
90 card->cid.serial = UNSTUFF_BITS(resp, 16, 24); in mmc_decode_cid()
91 card->cid.month = UNSTUFF_BITS(resp, 12, 4); in mmc_decode_cid()
92 card->cid.year = UNSTUFF_BITS(resp, 8, 4) + 1997; in mmc_decode_cid()
98 card->cid.manfid = UNSTUFF_BITS(resp, 120, 8); in mmc_decode_cid()
99 card->cid.oemid = UNSTUFF_BITS(resp, 104, 16); in mmc_decode_cid()
100 card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8); in mmc_decode_cid()
101 card->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8); in mmc_decode_cid()
102 card->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8); in mmc_decode_cid()
103 card->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8); in mmc_decode_cid()
104 card->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8); in mmc_decode_cid()
105 card->cid.prod_name[5] = UNSTUFF_BITS(resp, 56, 8); in mmc_decode_cid()
106 card->cid.prv = UNSTUFF_BITS(resp, 48, 8); in mmc_decode_cid()
107 card->cid.serial = UNSTUFF_BITS(resp, 16, 32); in mmc_decode_cid()
108 card->cid.month = UNSTUFF_BITS(resp, 12, 4); in mmc_decode_cid()
109 card->cid.year = UNSTUFF_BITS(resp, 8, 4) + 1997; in mmc_decode_cid()
113 pr_err("%s: card has unknown MMCA version %d\n", in mmc_decode_cid()
114 mmc_hostname(card->host), card->csd.mmca_vsn); in mmc_decode_cid()
121 static void mmc_set_erase_size(struct mmc_card *card) in mmc_set_erase_size() argument
123 if (card->ext_csd.erase_group_def & 1) in mmc_set_erase_size()
124 card->erase_size = card->ext_csd.hc_erase_size; in mmc_set_erase_size()
126 card->erase_size = card->csd.erase_size; in mmc_set_erase_size()
128 mmc_init_erase(card); in mmc_set_erase_size()
132 * Given a 128-bit response, decode to our card CSD structure.
134 static int mmc_decode_csd(struct mmc_card *card) in mmc_decode_csd() argument
136 struct mmc_csd *csd = &card->csd; in mmc_decode_csd()
138 u32 *resp = card->raw_csd; in mmc_decode_csd()
148 mmc_hostname(card->host), csd->structure); in mmc_decode_csd()
186 static void mmc_select_card_type(struct mmc_card *card) in mmc_select_card_type() argument
188 struct mmc_host *host = card->host; in mmc_select_card_type()
189 u8 card_type = card->ext_csd.raw_card_type; in mmc_select_card_type()
243 card->ext_csd.strobe_support && in mmc_select_card_type()
247 card->ext_csd.hs_max_dtr = hs_max_dtr; in mmc_select_card_type()
248 card->ext_csd.hs200_max_dtr = hs200_max_dtr; in mmc_select_card_type()
249 card->mmc_avail_type = avail_type; in mmc_select_card_type()
252 static void mmc_manage_enhanced_area(struct mmc_card *card, u8 *ext_csd) in mmc_manage_enhanced_area() argument
259 card->ext_csd.enhanced_area_offset = -EINVAL; in mmc_manage_enhanced_area()
260 card->ext_csd.enhanced_area_size = -EINVAL; in mmc_manage_enhanced_area()
264 * card has the Enhanced area enabled. If so, export enhanced in mmc_manage_enhanced_area()
269 if (card->ext_csd.partition_setting_completed) { in mmc_manage_enhanced_area()
278 card->ext_csd.enhanced_area_offset = in mmc_manage_enhanced_area()
283 if (mmc_card_blockaddr(card)) in mmc_manage_enhanced_area()
284 card->ext_csd.enhanced_area_offset <<= 9; in mmc_manage_enhanced_area()
288 card->ext_csd.enhanced_area_size = in mmc_manage_enhanced_area()
291 card->ext_csd.enhanced_area_size *= in mmc_manage_enhanced_area()
293 card->ext_csd.enhanced_area_size <<= 9; in mmc_manage_enhanced_area()
296 mmc_hostname(card->host)); in mmc_manage_enhanced_area()
301 static void mmc_part_add(struct mmc_card *card, u64 size, in mmc_part_add() argument
305 card->part[card->nr_parts].size = size; in mmc_part_add()
306 card->part[card->nr_parts].part_cfg = part_cfg; in mmc_part_add()
307 sprintf(card->part[card->nr_parts].name, name, idx); in mmc_part_add()
308 card->part[card->nr_parts].force_ro = ro; in mmc_part_add()
309 card->part[card->nr_parts].area_type = area_type; in mmc_part_add()
310 card->nr_parts++; in mmc_part_add()
313 static void mmc_manage_gp_partitions(struct mmc_card *card, u8 *ext_csd) in mmc_manage_gp_partitions() argument
336 if (card->ext_csd.partition_setting_completed == 0) { in mmc_manage_gp_partitions()
338 mmc_hostname(card->host)); in mmc_manage_gp_partitions()
348 mmc_part_add(card, part_size << 19, in mmc_manage_gp_partitions()
362 static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) in mmc_decode_ext_csd() argument
370 card->ext_csd.raw_ext_csd_structure = ext_csd[EXT_CSD_STRUCTURE]; in mmc_decode_ext_csd()
371 if (card->csd.structure == 3) { in mmc_decode_ext_csd()
372 if (card->ext_csd.raw_ext_csd_structure > 2) { in mmc_decode_ext_csd()
374 "version %d\n", mmc_hostname(card->host), in mmc_decode_ext_csd()
375 card->ext_csd.raw_ext_csd_structure); in mmc_decode_ext_csd()
381 np = mmc_of_find_child_device(card->host, 0); in mmc_decode_ext_csd()
382 if (np && of_device_is_compatible(np, "mmc-card")) in mmc_decode_ext_csd()
391 card->ext_csd.rev = ext_csd[EXT_CSD_REV]; in mmc_decode_ext_csd()
394 mmc_fixup_device(card, mmc_ext_csd_fixups); in mmc_decode_ext_csd()
396 card->ext_csd.raw_sectors[0] = ext_csd[EXT_CSD_SEC_CNT + 0]; in mmc_decode_ext_csd()
397 card->ext_csd.raw_sectors[1] = ext_csd[EXT_CSD_SEC_CNT + 1]; in mmc_decode_ext_csd()
398 card->ext_csd.raw_sectors[2] = ext_csd[EXT_CSD_SEC_CNT + 2]; in mmc_decode_ext_csd()
399 card->ext_csd.raw_sectors[3] = ext_csd[EXT_CSD_SEC_CNT + 3]; in mmc_decode_ext_csd()
400 if (card->ext_csd.rev >= 2) { in mmc_decode_ext_csd()
401 card->ext_csd.sectors = in mmc_decode_ext_csd()
408 if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512) in mmc_decode_ext_csd()
409 mmc_card_set_blockaddr(card); in mmc_decode_ext_csd()
412 card->ext_csd.strobe_support = ext_csd[EXT_CSD_STROBE_SUPPORT]; in mmc_decode_ext_csd()
413 card->ext_csd.raw_card_type = ext_csd[EXT_CSD_CARD_TYPE]; in mmc_decode_ext_csd()
414 mmc_select_card_type(card); in mmc_decode_ext_csd()
416 card->ext_csd.raw_s_a_timeout = ext_csd[EXT_CSD_S_A_TIMEOUT]; in mmc_decode_ext_csd()
417 card->ext_csd.raw_erase_timeout_mult = in mmc_decode_ext_csd()
419 card->ext_csd.raw_hc_erase_grp_size = in mmc_decode_ext_csd()
421 card->ext_csd.raw_boot_mult = in mmc_decode_ext_csd()
423 if (card->ext_csd.rev >= 3) { in mmc_decode_ext_csd()
425 card->ext_csd.part_config = ext_csd[EXT_CSD_PART_CONFIG]; in mmc_decode_ext_csd()
428 card->ext_csd.part_time = 10 * ext_csd[EXT_CSD_PART_SWITCH_TIME]; in mmc_decode_ext_csd()
432 card->ext_csd.sa_timeout = in mmc_decode_ext_csd()
434 card->ext_csd.erase_group_def = in mmc_decode_ext_csd()
436 card->ext_csd.hc_erase_timeout = 300 * in mmc_decode_ext_csd()
438 card->ext_csd.hc_erase_size = in mmc_decode_ext_csd()
441 card->ext_csd.rel_sectors = ext_csd[EXT_CSD_REL_WR_SEC_C]; in mmc_decode_ext_csd()
447 if (ext_csd[EXT_CSD_BOOT_MULT] && mmc_boot_partition_access(card->host)) { in mmc_decode_ext_csd()
450 mmc_part_add(card, part_size, in mmc_decode_ext_csd()
458 card->ext_csd.raw_hc_erase_gap_size = in mmc_decode_ext_csd()
460 card->ext_csd.raw_sec_trim_mult = in mmc_decode_ext_csd()
462 card->ext_csd.raw_sec_erase_mult = in mmc_decode_ext_csd()
464 card->ext_csd.raw_sec_feature_support = in mmc_decode_ext_csd()
466 card->ext_csd.raw_trim_mult = in mmc_decode_ext_csd()
468 card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT]; in mmc_decode_ext_csd()
469 card->ext_csd.raw_driver_strength = ext_csd[EXT_CSD_DRIVER_STRENGTH]; in mmc_decode_ext_csd()
470 if (card->ext_csd.rev >= 4) { in mmc_decode_ext_csd()
473 card->ext_csd.partition_setting_completed = 1; in mmc_decode_ext_csd()
475 card->ext_csd.partition_setting_completed = 0; in mmc_decode_ext_csd()
477 mmc_manage_enhanced_area(card, ext_csd); in mmc_decode_ext_csd()
479 mmc_manage_gp_partitions(card, ext_csd); in mmc_decode_ext_csd()
481 card->ext_csd.sec_trim_mult = in mmc_decode_ext_csd()
483 card->ext_csd.sec_erase_mult = in mmc_decode_ext_csd()
485 card->ext_csd.sec_feature_support = in mmc_decode_ext_csd()
487 card->ext_csd.trim_timeout = 300 * in mmc_decode_ext_csd()
495 card->ext_csd.boot_ro_lock = ext_csd[EXT_CSD_BOOT_WP]; in mmc_decode_ext_csd()
496 card->ext_csd.boot_ro_lockable = true; in mmc_decode_ext_csd()
499 card->ext_csd.raw_pwr_cl_52_195 = in mmc_decode_ext_csd()
501 card->ext_csd.raw_pwr_cl_26_195 = in mmc_decode_ext_csd()
503 card->ext_csd.raw_pwr_cl_52_360 = in mmc_decode_ext_csd()
505 card->ext_csd.raw_pwr_cl_26_360 = in mmc_decode_ext_csd()
507 card->ext_csd.raw_pwr_cl_200_195 = in mmc_decode_ext_csd()
509 card->ext_csd.raw_pwr_cl_200_360 = in mmc_decode_ext_csd()
511 card->ext_csd.raw_pwr_cl_ddr_52_195 = in mmc_decode_ext_csd()
513 card->ext_csd.raw_pwr_cl_ddr_52_360 = in mmc_decode_ext_csd()
515 card->ext_csd.raw_pwr_cl_ddr_200_360 = in mmc_decode_ext_csd()
519 if (card->ext_csd.rev >= 5) { in mmc_decode_ext_csd()
521 if (card->cid.year < 2010) in mmc_decode_ext_csd()
522 card->cid.year += 16; in mmc_decode_ext_csd()
524 /* check whether the eMMC card supports BKOPS */ in mmc_decode_ext_csd()
526 card->ext_csd.bkops = 1; in mmc_decode_ext_csd()
527 card->ext_csd.man_bkops_en = in mmc_decode_ext_csd()
530 card->ext_csd.raw_bkops_status = in mmc_decode_ext_csd()
532 if (card->ext_csd.man_bkops_en) in mmc_decode_ext_csd()
534 mmc_hostname(card->host)); in mmc_decode_ext_csd()
535 card->ext_csd.auto_bkops_en = in mmc_decode_ext_csd()
538 if (card->ext_csd.auto_bkops_en) in mmc_decode_ext_csd()
540 mmc_hostname(card->host)); in mmc_decode_ext_csd()
543 /* check whether the eMMC card supports HPI */ in mmc_decode_ext_csd()
544 if (!mmc_card_broken_hpi(card) && in mmc_decode_ext_csd()
546 card->ext_csd.hpi = 1; in mmc_decode_ext_csd()
548 card->ext_csd.hpi_cmd = MMC_STOP_TRANSMISSION; in mmc_decode_ext_csd()
550 card->ext_csd.hpi_cmd = MMC_SEND_STATUS; in mmc_decode_ext_csd()
555 card->ext_csd.out_of_int_time = in mmc_decode_ext_csd()
559 card->ext_csd.rel_param = ext_csd[EXT_CSD_WR_REL_PARAM]; in mmc_decode_ext_csd()
560 card->ext_csd.rst_n_function = ext_csd[EXT_CSD_RST_N_FUNCTION]; in mmc_decode_ext_csd()
565 card->ext_csd.raw_rpmb_size_mult = ext_csd[EXT_CSD_RPMB_MULT]; in mmc_decode_ext_csd()
566 if (ext_csd[EXT_CSD_RPMB_MULT] && mmc_host_cmd23(card->host)) { in mmc_decode_ext_csd()
567 mmc_part_add(card, ext_csd[EXT_CSD_RPMB_MULT] << 17, in mmc_decode_ext_csd()
574 card->ext_csd.raw_erased_mem_count = ext_csd[EXT_CSD_ERASED_MEM_CONT]; in mmc_decode_ext_csd()
576 card->erased_byte = 0xFF; in mmc_decode_ext_csd()
578 card->erased_byte = 0x0; in mmc_decode_ext_csd()
581 card->ext_csd.generic_cmd6_time = DEFAULT_CMD6_TIMEOUT_MS; in mmc_decode_ext_csd()
582 if (card->ext_csd.rev >= 6) { in mmc_decode_ext_csd()
583 card->ext_csd.feature_support |= MMC_DISCARD_FEATURE; in mmc_decode_ext_csd()
585 card->ext_csd.generic_cmd6_time = 10 * in mmc_decode_ext_csd()
587 card->ext_csd.power_off_longtime = 10 * in mmc_decode_ext_csd()
590 card->ext_csd.cache_size = in mmc_decode_ext_csd()
597 card->ext_csd.data_sector_size = 4096; in mmc_decode_ext_csd()
599 card->ext_csd.data_sector_size = 512; in mmc_decode_ext_csd()
603 card->ext_csd.data_tag_unit_size = in mmc_decode_ext_csd()
605 (card->ext_csd.data_sector_size); in mmc_decode_ext_csd()
607 card->ext_csd.data_tag_unit_size = 0; in mmc_decode_ext_csd()
610 card->ext_csd.max_packed_writes = in mmc_decode_ext_csd()
612 card->ext_csd.max_packed_reads = in mmc_decode_ext_csd()
615 card->ext_csd.data_sector_size = 512; in mmc_decode_ext_csd()
623 if (!card->ext_csd.part_time) in mmc_decode_ext_csd()
624 card->ext_csd.part_time = card->ext_csd.generic_cmd6_time; in mmc_decode_ext_csd()
626 if (card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME) in mmc_decode_ext_csd()
627 card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME; in mmc_decode_ext_csd()
630 if (card->ext_csd.rev >= 7) { in mmc_decode_ext_csd()
631 memcpy(card->ext_csd.fwrev, &ext_csd[EXT_CSD_FIRMWARE_VERSION], in mmc_decode_ext_csd()
633 card->ext_csd.ffu_capable = in mmc_decode_ext_csd()
637 card->ext_csd.pre_eol_info = ext_csd[EXT_CSD_PRE_EOL_INFO]; in mmc_decode_ext_csd()
638 card->ext_csd.device_life_time_est_typ_a = in mmc_decode_ext_csd()
640 card->ext_csd.device_life_time_est_typ_b = in mmc_decode_ext_csd()
645 if (card->ext_csd.rev >= 8) { in mmc_decode_ext_csd()
646 card->ext_csd.cmdq_support = ext_csd[EXT_CSD_CMDQ_SUPPORT] & in mmc_decode_ext_csd()
648 card->ext_csd.cmdq_depth = (ext_csd[EXT_CSD_CMDQ_DEPTH] & in mmc_decode_ext_csd()
651 if (card->ext_csd.cmdq_depth <= 2) { in mmc_decode_ext_csd()
652 card->ext_csd.cmdq_support = false; in mmc_decode_ext_csd()
653 card->ext_csd.cmdq_depth = 0; in mmc_decode_ext_csd()
655 if (card->ext_csd.cmdq_support) { in mmc_decode_ext_csd()
657 mmc_hostname(card->host), in mmc_decode_ext_csd()
658 card->ext_csd.cmdq_depth); in mmc_decode_ext_csd()
660 card->ext_csd.enhanced_rpmb_supported = in mmc_decode_ext_csd()
661 (card->ext_csd.rel_param & in mmc_decode_ext_csd()
668 static int mmc_read_ext_csd(struct mmc_card *card) in mmc_read_ext_csd() argument
673 if (!mmc_can_ext_csd(card)) in mmc_read_ext_csd()
676 err = mmc_get_ext_csd(card, &ext_csd); in mmc_read_ext_csd()
678 /* If the host or the card can't do the switch, in mmc_read_ext_csd()
689 if (card->csd.capacity == (4096 * 512)) { in mmc_read_ext_csd()
690 pr_err("%s: unable to read EXT_CSD on a possible high capacity card. Card will be ignored.\n", in mmc_read_ext_csd()
691 mmc_hostname(card->host)); in mmc_read_ext_csd()
694 mmc_hostname(card->host)); in mmc_read_ext_csd()
701 err = mmc_decode_ext_csd(card, ext_csd); in mmc_read_ext_csd()
706 static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width) in mmc_compare_ext_csds() argument
714 err = mmc_get_ext_csd(card, &bw_ext_csd); in mmc_compare_ext_csds()
719 err = !((card->ext_csd.raw_partition_support == in mmc_compare_ext_csds()
721 (card->ext_csd.raw_erased_mem_count == in mmc_compare_ext_csds()
723 (card->ext_csd.rev == in mmc_compare_ext_csds()
725 (card->ext_csd.raw_ext_csd_structure == in mmc_compare_ext_csds()
727 (card->ext_csd.raw_card_type == in mmc_compare_ext_csds()
729 (card->ext_csd.raw_s_a_timeout == in mmc_compare_ext_csds()
731 (card->ext_csd.raw_hc_erase_gap_size == in mmc_compare_ext_csds()
733 (card->ext_csd.raw_erase_timeout_mult == in mmc_compare_ext_csds()
735 (card->ext_csd.raw_hc_erase_grp_size == in mmc_compare_ext_csds()
737 (card->ext_csd.raw_sec_trim_mult == in mmc_compare_ext_csds()
739 (card->ext_csd.raw_sec_erase_mult == in mmc_compare_ext_csds()
741 (card->ext_csd.raw_sec_feature_support == in mmc_compare_ext_csds()
743 (card->ext_csd.raw_trim_mult == in mmc_compare_ext_csds()
745 (card->ext_csd.raw_sectors[0] == in mmc_compare_ext_csds()
747 (card->ext_csd.raw_sectors[1] == in mmc_compare_ext_csds()
749 (card->ext_csd.raw_sectors[2] == in mmc_compare_ext_csds()
751 (card->ext_csd.raw_sectors[3] == in mmc_compare_ext_csds()
753 (card->ext_csd.raw_pwr_cl_52_195 == in mmc_compare_ext_csds()
755 (card->ext_csd.raw_pwr_cl_26_195 == in mmc_compare_ext_csds()
757 (card->ext_csd.raw_pwr_cl_52_360 == in mmc_compare_ext_csds()
759 (card->ext_csd.raw_pwr_cl_26_360 == in mmc_compare_ext_csds()
761 (card->ext_csd.raw_pwr_cl_200_195 == in mmc_compare_ext_csds()
763 (card->ext_csd.raw_pwr_cl_200_360 == in mmc_compare_ext_csds()
765 (card->ext_csd.raw_pwr_cl_ddr_52_195 == in mmc_compare_ext_csds()
767 (card->ext_csd.raw_pwr_cl_ddr_52_360 == in mmc_compare_ext_csds()
769 (card->ext_csd.raw_pwr_cl_ddr_200_360 == in mmc_compare_ext_csds()
779 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
780 card->raw_cid[2], card->raw_cid[3]);
781 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
782 card->raw_csd[2], card->raw_csd[3]);
783 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
784 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
785 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
786 MMC_DEV_ATTR(ffu_capable, "%d\n", card->ext_csd.ffu_capable);
787 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
788 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
789 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
790 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
791 MMC_DEV_ATTR(prv, "0x%x\n", card->cid.prv);
792 MMC_DEV_ATTR(rev, "0x%x\n", card->ext_csd.rev);
793 MMC_DEV_ATTR(pre_eol_info, "0x%02x\n", card->ext_csd.pre_eol_info);
795 card->ext_csd.device_life_time_est_typ_a,
796 card->ext_csd.device_life_time_est_typ_b);
797 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
799 card->ext_csd.enhanced_area_offset);
800 MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size);
801 MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult);
803 card->ext_csd.enhanced_rpmb_supported);
804 MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors);
805 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
806 MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
807 MMC_DEV_ATTR(cmdq_en, "%d\n", card->ext_csd.cmdq_en);
813 struct mmc_card *card = mmc_dev_to_card(dev); in mmc_fwrev_show() local
815 if (card->ext_csd.rev < 7) { in mmc_fwrev_show()
816 return sprintf(buf, "0x%x\n", card->cid.fwrev); in mmc_fwrev_show()
819 card->ext_csd.fwrev); in mmc_fwrev_show()
829 struct mmc_card *card = mmc_dev_to_card(dev); in mmc_dsr_show() local
830 struct mmc_host *host = card->host; in mmc_dsr_show()
832 if (card->csd.dsr_imp && host->dsr_req) in mmc_dsr_show()
881 static int __mmc_select_powerclass(struct mmc_card *card, in __mmc_select_powerclass() argument
884 struct mmc_host *host = card->host; in __mmc_select_powerclass()
885 struct mmc_ext_csd *ext_csd = &card->ext_csd; in __mmc_select_powerclass()
935 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in __mmc_select_powerclass()
938 card->ext_csd.generic_cmd6_time); in __mmc_select_powerclass()
944 static int mmc_select_powerclass(struct mmc_card *card) in mmc_select_powerclass() argument
946 struct mmc_host *host = card->host; in mmc_select_powerclass()
951 if (!mmc_can_ext_csd(card)) in mmc_select_powerclass()
959 ddr = card->mmc_avail_type & EXT_CSD_CARD_TYPE_DDR_52; in mmc_select_powerclass()
967 err = __mmc_select_powerclass(card, ext_csd_bits); in mmc_select_powerclass()
978 static void mmc_set_bus_speed(struct mmc_card *card) in mmc_set_bus_speed() argument
982 if ((mmc_card_hs200(card) || mmc_card_hs400(card)) && in mmc_set_bus_speed()
983 max_dtr > card->ext_csd.hs200_max_dtr) in mmc_set_bus_speed()
984 max_dtr = card->ext_csd.hs200_max_dtr; in mmc_set_bus_speed()
985 else if (mmc_card_hs(card) && max_dtr > card->ext_csd.hs_max_dtr) in mmc_set_bus_speed()
986 max_dtr = card->ext_csd.hs_max_dtr; in mmc_set_bus_speed()
987 else if (max_dtr > card->csd.max_dtr) in mmc_set_bus_speed()
988 max_dtr = card->csd.max_dtr; in mmc_set_bus_speed()
990 mmc_set_clock(card->host, max_dtr); in mmc_set_bus_speed()
998 static int mmc_select_bus_width(struct mmc_card *card) in mmc_select_bus_width() argument
1008 struct mmc_host *host = card->host; in mmc_select_bus_width()
1012 if (!mmc_can_ext_csd(card) || in mmc_select_bus_width()
1032 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_bus_width()
1035 card->ext_csd.generic_cmd6_time); in mmc_select_bus_width()
1048 err = mmc_compare_ext_csds(card, bus_width); in mmc_select_bus_width()
1050 err = mmc_bus_test(card, bus_width); in mmc_select_bus_width()
1067 static int mmc_select_hs(struct mmc_card *card) in mmc_select_hs() argument
1071 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs()
1073 card->ext_csd.generic_cmd6_time, MMC_TIMING_MMC_HS, in mmc_select_hs()
1077 mmc_hostname(card->host), err); in mmc_select_hs()
1085 static int mmc_select_hs_ddr(struct mmc_card *card) in mmc_select_hs_ddr() argument
1087 struct mmc_host *host = card->host; in mmc_select_hs_ddr()
1091 if (!(card->mmc_avail_type & EXT_CSD_CARD_TYPE_DDR_52)) in mmc_select_hs_ddr()
1101 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs_ddr()
1104 card->ext_csd.generic_cmd6_time, in mmc_select_hs_ddr()
1122 * Even (e)MMC card can support 3.3v to 1.2v vccq, but not all in mmc_select_hs_ddr()
1138 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_DDR_1_2V) { in mmc_select_hs_ddr()
1144 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_DDR_1_8V && in mmc_select_hs_ddr()
1155 static int mmc_select_hs400(struct mmc_card *card) in mmc_select_hs400() argument
1157 struct mmc_host *host = card->host; in mmc_select_hs400()
1165 if (!(card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400 && in mmc_select_hs400()
1169 /* Switch card to HS mode */ in mmc_select_hs400()
1171 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400()
1173 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs400()
1189 max_dtr = card->ext_csd.hs_max_dtr; in mmc_select_hs400()
1192 err = mmc_switch_status(card, true); in mmc_select_hs400()
1199 /* Switch card to DDR */ in mmc_select_hs400()
1200 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400()
1203 card->ext_csd.generic_cmd6_time); in mmc_select_hs400()
1210 /* Switch card to HS400 */ in mmc_select_hs400()
1212 card->drive_strength << EXT_CSD_DRV_STR_SHIFT; in mmc_select_hs400()
1213 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400()
1215 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs400()
1225 mmc_set_bus_speed(card); in mmc_select_hs400()
1230 err = mmc_switch_status(card, true); in mmc_select_hs400()
1237 pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), in mmc_select_hs400()
1242 int mmc_hs200_to_hs400(struct mmc_card *card) in mmc_hs200_to_hs400() argument
1244 return mmc_select_hs400(card); in mmc_hs200_to_hs400()
1247 int mmc_hs400_to_hs200(struct mmc_card *card) in mmc_hs400_to_hs200() argument
1249 struct mmc_host *host = card->host; in mmc_hs400_to_hs200()
1255 max_dtr = card->ext_csd.hs_max_dtr; in mmc_hs400_to_hs200()
1260 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, in mmc_hs400_to_hs200()
1261 val, card->ext_csd.generic_cmd6_time, 0, in mmc_hs400_to_hs200()
1271 err = mmc_switch_status(card, true); in mmc_hs400_to_hs200()
1276 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, in mmc_hs400_to_hs200()
1277 EXT_CSD_BUS_WIDTH_8, card->ext_csd.generic_cmd6_time, in mmc_hs400_to_hs200()
1284 err = mmc_switch_status(card, true); in mmc_hs400_to_hs200()
1290 card->drive_strength << EXT_CSD_DRV_STR_SHIFT; in mmc_hs400_to_hs200()
1291 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, in mmc_hs400_to_hs200()
1292 val, card->ext_csd.generic_cmd6_time, 0, in mmc_hs400_to_hs200()
1304 err = mmc_switch_status(card, false); in mmc_hs400_to_hs200()
1308 mmc_set_bus_speed(card); in mmc_hs400_to_hs200()
1317 pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), in mmc_hs400_to_hs200()
1322 static void mmc_select_driver_type(struct mmc_card *card) in mmc_select_driver_type() argument
1325 int fixed_drv_type = card->host->fixed_drv_type; in mmc_select_driver_type()
1327 card_drv_type = card->ext_csd.raw_driver_strength | in mmc_select_driver_type()
1334 drive_strength = mmc_select_drive_strength(card, in mmc_select_driver_type()
1335 card->ext_csd.hs200_max_dtr, in mmc_select_driver_type()
1338 card->drive_strength = drive_strength; in mmc_select_driver_type()
1341 mmc_set_driver_type(card->host, drv_type); in mmc_select_driver_type()
1344 static int mmc_select_hs400es(struct mmc_card *card) in mmc_select_hs400es() argument
1346 struct mmc_host *host = card->host; in mmc_select_hs400es()
1355 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400_1_2V) in mmc_select_hs400es()
1358 if (err && card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400_1_8V) in mmc_select_hs400es()
1361 /* If fails try again during next card power cycle */ in mmc_select_hs400es()
1365 err = mmc_select_bus_width(card); in mmc_select_hs400es()
1373 /* Switch card to HS mode */ in mmc_select_hs400es()
1374 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400es()
1376 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs400es()
1385 err = mmc_switch_status(card, true); in mmc_select_hs400es()
1389 mmc_set_clock(host, card->ext_csd.hs_max_dtr); in mmc_select_hs400es()
1391 /* Switch card to DDR with strobe bit */ in mmc_select_hs400es()
1393 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400es()
1396 card->ext_csd.generic_cmd6_time); in mmc_select_hs400es()
1403 mmc_select_driver_type(card); in mmc_select_hs400es()
1405 /* Switch card to HS400 */ in mmc_select_hs400es()
1407 card->drive_strength << EXT_CSD_DRV_STR_SHIFT; in mmc_select_hs400es()
1408 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs400es()
1410 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs400es()
1426 err = mmc_switch_status(card, true); in mmc_select_hs400es()
1433 pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), in mmc_select_hs400es()
1445 static int mmc_select_hs200(struct mmc_card *card) in mmc_select_hs200() argument
1447 struct mmc_host *host = card->host; in mmc_select_hs200()
1453 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200_1_2V) in mmc_select_hs200()
1456 if (err && card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200_1_8V) in mmc_select_hs200()
1459 /* If fails try again during next card power cycle */ in mmc_select_hs200()
1463 mmc_select_driver_type(card); in mmc_select_hs200()
1469 err = mmc_select_bus_width(card); in mmc_select_hs200()
1472 card->drive_strength << EXT_CSD_DRV_STR_SHIFT; in mmc_select_hs200()
1473 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_select_hs200()
1475 card->ext_csd.generic_cmd6_time, 0, in mmc_select_hs200()
1487 err = mmc_switch_status(card, false); in mmc_select_hs200()
1502 pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), in mmc_select_hs200()
1511 static int mmc_select_timing(struct mmc_card *card) in mmc_select_timing() argument
1515 if (!mmc_can_ext_csd(card)) in mmc_select_timing()
1518 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400ES) in mmc_select_timing()
1519 err = mmc_select_hs400es(card); in mmc_select_timing()
1520 else if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200) in mmc_select_timing()
1521 err = mmc_select_hs200(card); in mmc_select_timing()
1522 else if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS) in mmc_select_timing()
1523 err = mmc_select_hs(card); in mmc_select_timing()
1533 mmc_set_bus_speed(card); in mmc_select_timing()
1541 static int mmc_hs200_tuning(struct mmc_card *card) in mmc_hs200_tuning() argument
1543 struct mmc_host *host = card->host; in mmc_hs200_tuning()
1549 if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400 && in mmc_hs200_tuning()
1554 return mmc_execute_tuning(card); in mmc_hs200_tuning()
1558 * Handle the detection and initialisation of a card.
1560 * In the case of a resume, "oldcard" will contain the card
1566 struct mmc_card *card; in mmc_init_card() local
1601 * Fetch CID from card. in mmc_init_card()
1609 pr_debug("%s: Perhaps the card was replaced\n", in mmc_init_card()
1615 card = oldcard; in mmc_init_card()
1618 * Allocate card structure. in mmc_init_card()
1620 card = mmc_alloc_card(host, &mmc_type); in mmc_init_card()
1621 if (IS_ERR(card)) { in mmc_init_card()
1622 err = PTR_ERR(card); in mmc_init_card()
1626 card->ocr = ocr; in mmc_init_card()
1627 card->type = MMC_TYPE_MMC; in mmc_init_card()
1628 card->rca = 1; in mmc_init_card()
1629 memcpy(card->raw_cid, cid, sizeof(card->raw_cid)); in mmc_init_card()
1636 host->ops->init_card(host, card); in mmc_init_card()
1639 * For native busses: set card RCA and quit open drain mode. in mmc_init_card()
1642 err = mmc_set_relative_addr(card); in mmc_init_card()
1651 * Fetch CSD from card. in mmc_init_card()
1653 err = mmc_send_csd(card, card->raw_csd); in mmc_init_card()
1657 err = mmc_decode_csd(card); in mmc_init_card()
1660 err = mmc_decode_cid(card); in mmc_init_card()
1669 if (card->csd.dsr_imp && host->dsr_req) in mmc_init_card()
1673 * Select card, as all following commands rely on that. in mmc_init_card()
1676 err = mmc_select_card(card); in mmc_init_card()
1683 err = mmc_read_ext_csd(card); in mmc_init_card()
1694 mmc_card_set_blockaddr(card); in mmc_init_card()
1697 mmc_set_erase_size(card); in mmc_init_card()
1701 if (card->ext_csd.rev >= 3) { in mmc_init_card()
1702 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_init_card()
1704 card->ext_csd.generic_cmd6_time); in mmc_init_card()
1715 card->ext_csd.enhanced_area_offset = -EINVAL; in mmc_init_card()
1716 card->ext_csd.enhanced_area_size = -EINVAL; in mmc_init_card()
1718 card->ext_csd.erase_group_def = 1; in mmc_init_card()
1724 mmc_set_erase_size(card); in mmc_init_card()
1731 if (card->ext_csd.part_config & EXT_CSD_PART_CONFIG_ACC_MASK) { in mmc_init_card()
1732 card->ext_csd.part_config &= ~EXT_CSD_PART_CONFIG_ACC_MASK; in mmc_init_card()
1733 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONFIG, in mmc_init_card()
1734 card->ext_csd.part_config, in mmc_init_card()
1735 card->ext_csd.part_time); in mmc_init_card()
1743 if (card->ext_csd.rev >= 6) { in mmc_init_card()
1744 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_init_card()
1747 card->ext_csd.generic_cmd6_time); in mmc_init_card()
1756 card->ext_csd.power_off_notification = EXT_CSD_POWER_ON; in mmc_init_card()
1760 if (mmc_can_discard(card)) in mmc_init_card()
1761 card->erase_arg = MMC_DISCARD_ARG; in mmc_init_card()
1762 else if (mmc_can_trim(card)) in mmc_init_card()
1763 card->erase_arg = MMC_TRIM_ARG; in mmc_init_card()
1765 card->erase_arg = MMC_ERASE_ARG; in mmc_init_card()
1770 err = mmc_select_timing(card); in mmc_init_card()
1774 if (mmc_card_hs200(card)) { in mmc_init_card()
1777 err = mmc_hs200_tuning(card); in mmc_init_card()
1779 err = mmc_select_hs400(card); in mmc_init_card()
1786 } else if (!mmc_card_hs400es(card)) { in mmc_init_card()
1788 err = mmc_select_bus_width(card); in mmc_init_card()
1789 if (err > 0 && mmc_card_hs(card)) { in mmc_init_card()
1790 err = mmc_select_hs_ddr(card); in mmc_init_card()
1799 mmc_select_powerclass(card); in mmc_init_card()
1804 if (card->ext_csd.hpi) { in mmc_init_card()
1805 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_init_card()
1807 card->ext_csd.generic_cmd6_time); in mmc_init_card()
1812 mmc_hostname(card->host)); in mmc_init_card()
1813 card->ext_csd.hpi_en = 0; in mmc_init_card()
1815 card->ext_csd.hpi_en = 1; in mmc_init_card()
1826 if (card->ext_csd.cache_size > 0) { in mmc_init_card()
1829 timeout_ms = max(card->ext_csd.generic_cmd6_time, timeout_ms); in mmc_init_card()
1830 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_init_card()
1840 mmc_hostname(card->host), err); in mmc_init_card()
1841 card->ext_csd.cache_ctrl = 0; in mmc_init_card()
1843 card->ext_csd.cache_ctrl = 1; in mmc_init_card()
1851 card->ext_csd.cmdq_en = false; in mmc_init_card()
1852 if (card->ext_csd.cmdq_support && host->caps2 & MMC_CAP2_CQE) { in mmc_init_card()
1853 err = mmc_cmdq_enable(card); in mmc_init_card()
1858 mmc_hostname(card->host)); in mmc_init_card()
1859 card->ext_csd.cmdq_support = false; in mmc_init_card()
1860 card->ext_csd.cmdq_depth = 0; in mmc_init_card()
1868 card->reenable_cmdq = card->ext_csd.cmdq_en; in mmc_init_card()
1871 err = host->cqe_ops->cqe_enable(host, card); in mmc_init_card()
1875 if (card->ext_csd.cmdq_en) { in mmc_init_card()
1895 host->card = card; in mmc_init_card()
1901 mmc_remove_card(card); in mmc_init_card()
1906 static int mmc_can_sleep(struct mmc_card *card) in mmc_can_sleep() argument
1908 return card->ext_csd.rev >= 3; in mmc_can_sleep()
1922 struct mmc_card *card = host->card; in mmc_sleep() local
1923 unsigned int timeout_ms = DIV_ROUND_UP(card->ext_csd.sa_timeout, 10000); in mmc_sleep()
1927 /* Re-tuning can't be done once the card is deselected */ in mmc_sleep()
1935 cmd.arg = card->rca << 16; in mmc_sleep()
1944 * If the host does not wait while the card signals busy, then we can in mmc_sleep()
1957 err = __mmc_poll_for_busy(card, timeout_ms, &mmc_sleep_busy_cb, host); in mmc_sleep()
1964 static int mmc_can_poweroff_notify(const struct mmc_card *card) in mmc_can_poweroff_notify() argument
1966 return card && in mmc_can_poweroff_notify()
1967 mmc_card_mmc(card) && in mmc_can_poweroff_notify()
1968 (card->ext_csd.power_off_notification == EXT_CSD_POWER_ON); in mmc_can_poweroff_notify()
1971 static int mmc_poweroff_notify(struct mmc_card *card, unsigned int notify_type) in mmc_poweroff_notify() argument
1973 unsigned int timeout = card->ext_csd.generic_cmd6_time; in mmc_poweroff_notify()
1978 timeout = card->ext_csd.power_off_longtime; in mmc_poweroff_notify()
1980 err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, in mmc_poweroff_notify()
1985 mmc_hostname(card->host), timeout); in mmc_poweroff_notify()
1988 card->ext_csd.power_off_notification = EXT_CSD_NO_POWER_NOTIFICATION; in mmc_poweroff_notify()
1994 * Host is being removed. Free up the current card.
1998 mmc_remove_card(host->card); in mmc_remove()
1999 host->card = NULL; in mmc_remove()
2003 * Card detection - card is alive.
2007 return mmc_send_status(host->card, NULL); in mmc_alive()
2011 * Card detection callback from host.
2017 mmc_get_card(host->card, NULL); in mmc_detect()
2020 * Just check if our card has been removed. in mmc_detect()
2024 mmc_put_card(host->card, NULL); in mmc_detect()
2038 return host->card->ext_csd.cache_size > 0 && in _mmc_cache_enabled()
2039 host->card->ext_csd.cache_ctrl & 1; in _mmc_cache_enabled()
2050 err = mmc_switch(host->card, EXT_CSD_CMD_SET_NORMAL, in _mmc_flush_cache()
2069 if (mmc_card_suspended(host->card)) in _mmc_suspend()
2076 if (mmc_can_poweroff_notify(host->card) && in _mmc_suspend()
2079 err = mmc_poweroff_notify(host->card, notify_type); in _mmc_suspend()
2080 else if (mmc_can_sleep(host->card)) in _mmc_suspend()
2087 mmc_card_set_suspended(host->card); in _mmc_suspend()
2103 pm_runtime_disable(&host->card->dev); in mmc_suspend()
2104 pm_runtime_set_suspended(&host->card->dev); in mmc_suspend()
2111 * This function tries to determine if the same card is still present
2120 if (!mmc_card_suspended(host->card)) in _mmc_resume()
2123 mmc_power_up(host, host->card->ocr); in _mmc_resume()
2124 err = mmc_init_card(host, host->card->ocr, host->card); in _mmc_resume()
2125 mmc_card_clr_suspended(host->card); in _mmc_resume()
2140 * In a specific case for poweroff notify, we need to resume the card in mmc_shutdown()
2143 if (mmc_can_poweroff_notify(host->card) && in mmc_shutdown()
2158 pm_runtime_enable(&host->card->dev); in mmc_resume()
2195 static int mmc_can_reset(struct mmc_card *card) in mmc_can_reset() argument
2199 rst_n_function = card->ext_csd.rst_n_function; in mmc_can_reset()
2207 struct mmc_card *card = host->card; in _mmc_hw_reset() local
2216 mmc_can_reset(card)) { in _mmc_hw_reset()
2217 /* If the card accept RST_n signal, send it. */ in _mmc_hw_reset()
2224 mmc_power_cycle(host, card->ocr); in _mmc_hw_reset()
2227 return mmc_init_card(host, card->ocr, card); in _mmc_hw_reset()
2245 * Starting point for MMC card init.
2278 * Can we support the voltage of the card? in mmc_attach_mmc()
2286 * Detect and init the card. in mmc_attach_mmc()
2293 err = mmc_add_card(host->card); in mmc_attach_mmc()
2301 mmc_remove_card(host->card); in mmc_attach_mmc()
2303 host->card = NULL; in mmc_attach_mmc()
2307 pr_err("%s: error %d whilst initialising MMC card\n", in mmc_attach_mmc()