Lines Matching full:card
20 #include <linux/mmc/card.h>
25 #include "card.h"
63 struct mmc_card *card; member
70 void mmc_decode_cid(struct mmc_card *card) in mmc_decode_cid() argument
72 u32 *resp = card->raw_cid; in mmc_decode_cid()
75 * Add the raw card ID (cid) data to the entropy pool. It doesn't in mmc_decode_cid()
78 add_device_randomness(&card->raw_cid, sizeof(card->raw_cid)); in mmc_decode_cid()
84 card->cid.manfid = unstuff_bits(resp, 120, 8); in mmc_decode_cid()
85 card->cid.oemid = unstuff_bits(resp, 104, 16); in mmc_decode_cid()
86 card->cid.prod_name[0] = unstuff_bits(resp, 96, 8); in mmc_decode_cid()
87 card->cid.prod_name[1] = unstuff_bits(resp, 88, 8); in mmc_decode_cid()
88 card->cid.prod_name[2] = unstuff_bits(resp, 80, 8); in mmc_decode_cid()
89 card->cid.prod_name[3] = unstuff_bits(resp, 72, 8); in mmc_decode_cid()
90 card->cid.prod_name[4] = unstuff_bits(resp, 64, 8); in mmc_decode_cid()
91 card->cid.hwrev = unstuff_bits(resp, 60, 4); in mmc_decode_cid()
92 card->cid.fwrev = unstuff_bits(resp, 56, 4); in mmc_decode_cid()
93 card->cid.serial = unstuff_bits(resp, 24, 32); in mmc_decode_cid()
94 card->cid.year = unstuff_bits(resp, 12, 8); in mmc_decode_cid()
95 card->cid.month = unstuff_bits(resp, 8, 4); in mmc_decode_cid()
97 card->cid.year += 2000; /* SD cards year offset */ in mmc_decode_cid()
101 * Given a 128-bit response, decode to our card CSD structure.
103 static int mmc_decode_csd(struct mmc_card *card, bool is_sduc) in mmc_decode_csd() argument
105 struct mmc_csd *csd = &card->csd; in mmc_decode_csd()
107 u32 *resp = card->raw_csd; in mmc_decode_csd()
144 mmc_card_set_readonly(card); in mmc_decode_csd()
149 * This is a block-addressed SDHC, SDXC or SDUC card. in mmc_decode_csd()
154 mmc_card_set_blockaddr(card); in mmc_decode_csd()
171 mmc_card_set_ult_capacity(card); in mmc_decode_csd()
173 mmc_card_set_ext_capacity(card); in mmc_decode_csd()
187 mmc_card_set_readonly(card); in mmc_decode_csd()
191 mmc_hostname(card->host), csd_struct); in mmc_decode_csd()
195 card->erase_size = csd->erase_size; in mmc_decode_csd()
201 * Given a 64-bit response, decode to our card SCR structure.
203 int mmc_decode_scr(struct mmc_card *card) in mmc_decode_scr() argument
205 struct sd_scr *scr = &card->scr; in mmc_decode_scr()
209 resp[3] = card->raw_scr[1]; in mmc_decode_scr()
210 resp[2] = card->raw_scr[0]; in mmc_decode_scr()
215 mmc_hostname(card->host), scr_struct); in mmc_decode_scr()
231 card->erased_byte = 0xFF; in mmc_decode_scr()
233 card->erased_byte = 0x0; in mmc_decode_scr()
240 /* SD Spec says: any SD Card shall set at least bits 0 and 2 */ in mmc_decode_scr()
243 pr_err("%s: invalid bus width\n", mmc_hostname(card->host)); in mmc_decode_scr()
253 static int mmc_read_ssr(struct mmc_card *card) in mmc_read_ssr() argument
261 if (!(card->csd.cmdclass & CCC_APP_SPEC)) { in mmc_read_ssr()
262 pr_warn("%s: card lacks mandatory SD Status function\n", in mmc_read_ssr()
263 mmc_hostname(card->host)); in mmc_read_ssr()
267 raw_ssr = kmalloc(sizeof(card->raw_ssr), GFP_KERNEL); in mmc_read_ssr()
271 if (mmc_app_sd_status(card, raw_ssr)) { in mmc_read_ssr()
273 mmc_hostname(card->host)); in mmc_read_ssr()
279 card->raw_ssr[i] = be32_to_cpu(raw_ssr[i]); in mmc_read_ssr()
287 au = unstuff_bits(card->raw_ssr, 428 - 384, 4); in mmc_read_ssr()
289 if (au <= 9 || card->scr.sda_spec3) { in mmc_read_ssr()
290 card->ssr.au = sd_au_size[au]; in mmc_read_ssr()
291 es = unstuff_bits(card->raw_ssr, 408 - 384, 16); in mmc_read_ssr()
292 et = unstuff_bits(card->raw_ssr, 402 - 384, 6); in mmc_read_ssr()
294 eo = unstuff_bits(card->raw_ssr, 400 - 384, 2); in mmc_read_ssr()
295 card->ssr.erase_timeout = (et * 1000) / es; in mmc_read_ssr()
296 card->ssr.erase_offset = eo * 1000; in mmc_read_ssr()
300 mmc_hostname(card->host)); in mmc_read_ssr()
307 resp[3] = card->raw_ssr[6]; in mmc_read_ssr()
309 card->erase_arg = (card->scr.sda_specx && discard_support) ? in mmc_read_ssr()
318 static int mmc_read_switch(struct mmc_card *card) in mmc_read_switch() argument
323 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_read_switch()
326 if (!(card->csd.cmdclass & CCC_SWITCH)) { in mmc_read_switch()
327 pr_warn("%s: card lacks mandatory switch function, performance might suffer\n", in mmc_read_switch()
328 mmc_hostname(card->host)); in mmc_read_switch()
337 * Find out the card's support bits with a mode 0 operation. in mmc_read_switch()
341 err = mmc_sd_switch(card, SD_SWITCH_CHECK, 0, 0, status); in mmc_read_switch()
344 * If the host or the card can't do the switch, in mmc_read_switch()
351 mmc_hostname(card->host)); in mmc_read_switch()
358 card->sw_caps.hs_max_dtr = HIGH_SPEED_MAX_DTR; in mmc_read_switch()
360 if (card->scr.sda_spec3) { in mmc_read_switch()
361 card->sw_caps.sd3_bus_mode = status[13]; in mmc_read_switch()
362 /* Driver Strengths supported by the card */ in mmc_read_switch()
363 card->sw_caps.sd3_drv_type = status[9]; in mmc_read_switch()
364 card->sw_caps.sd3_curr_limit = status[7] | status[6] << 8; in mmc_read_switch()
374 * Test if the card supports high-speed mode and, if so, switch to it.
376 int mmc_sd_switch_hs(struct mmc_card *card) in mmc_sd_switch_hs() argument
381 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_sd_switch_hs()
384 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_switch_hs()
387 if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED)) in mmc_sd_switch_hs()
390 if (card->sw_caps.hs_max_dtr == 0) in mmc_sd_switch_hs()
397 err = mmc_sd_switch(card, SD_SWITCH_SET, 0, in mmc_sd_switch_hs()
403 pr_warn("%s: Problem switching card into high-speed mode!\n", in mmc_sd_switch_hs()
404 mmc_hostname(card->host)); in mmc_sd_switch_hs()
416 static int sd_select_driver_type(struct mmc_card *card, u8 *status) in sd_select_driver_type() argument
421 card->drive_strength = 0; in sd_select_driver_type()
423 card_drv_type = card->sw_caps.sd3_drv_type | SD_DRIVER_TYPE_B; in sd_select_driver_type()
425 drive_strength = mmc_select_drive_strength(card, in sd_select_driver_type()
426 card->sw_caps.uhs_max_dtr, in sd_select_driver_type()
430 err = mmc_sd_switch(card, SD_SWITCH_SET, 2, in sd_select_driver_type()
436 mmc_hostname(card->host)); in sd_select_driver_type()
439 card->drive_strength = drive_strength; in sd_select_driver_type()
443 mmc_set_driver_type(card->host, drv_type); in sd_select_driver_type()
448 static void sd_update_bus_speed_mode(struct mmc_card *card) in sd_update_bus_speed_mode() argument
454 if (!mmc_host_uhs(card->host)) { in sd_update_bus_speed_mode()
455 card->sd_bus_speed = 0; in sd_update_bus_speed_mode()
459 if ((card->host->caps & MMC_CAP_UHS_SDR104) && in sd_update_bus_speed_mode()
460 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) { in sd_update_bus_speed_mode()
461 card->sd_bus_speed = UHS_SDR104_BUS_SPEED; in sd_update_bus_speed_mode()
462 } else if ((card->host->caps & MMC_CAP_UHS_DDR50) && in sd_update_bus_speed_mode()
463 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) { in sd_update_bus_speed_mode()
464 card->sd_bus_speed = UHS_DDR50_BUS_SPEED; in sd_update_bus_speed_mode()
465 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
466 MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
468 card->sd_bus_speed = UHS_SDR50_BUS_SPEED; in sd_update_bus_speed_mode()
469 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
471 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) { in sd_update_bus_speed_mode()
472 card->sd_bus_speed = UHS_SDR25_BUS_SPEED; in sd_update_bus_speed_mode()
473 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
475 MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
477 card->sd_bus_speed = UHS_SDR12_BUS_SPEED; in sd_update_bus_speed_mode()
481 static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status) in sd_set_bus_speed_mode() argument
486 switch (card->sd_bus_speed) { in sd_set_bus_speed_mode()
489 card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR; in sd_set_bus_speed_mode()
493 card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR; in sd_set_bus_speed_mode()
497 card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR; in sd_set_bus_speed_mode()
501 card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR; in sd_set_bus_speed_mode()
505 card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR; in sd_set_bus_speed_mode()
511 err = mmc_sd_switch(card, SD_SWITCH_SET, 0, card->sd_bus_speed, status); in sd_set_bus_speed_mode()
515 if ((status[16] & 0xF) != card->sd_bus_speed) in sd_set_bus_speed_mode()
517 mmc_hostname(card->host)); in sd_set_bus_speed_mode()
519 mmc_set_timing(card->host, timing); in sd_set_bus_speed_mode()
520 mmc_set_clock(card->host, card->sw_caps.uhs_max_dtr); in sd_set_bus_speed_mode()
551 static int sd_set_current_limit(struct mmc_card *card, u8 *status) in sd_set_current_limit() argument
562 if ((card->sd_bus_speed != UHS_SDR50_BUS_SPEED) && in sd_set_current_limit()
563 (card->sd_bus_speed != UHS_SDR104_BUS_SPEED) && in sd_set_current_limit()
564 (card->sd_bus_speed != UHS_DDR50_BUS_SPEED)) in sd_set_current_limit()
571 max_current = sd_get_host_max_current(card->host); in sd_set_current_limit()
575 * higher than the card's maximum current, the card will be using its in sd_set_current_limit()
576 * maximum current, e.g. if the card's maximum current is 300ma, and in sd_set_current_limit()
577 * when we set current limit to 200ma, the card will draw 200ma, and in sd_set_current_limit()
578 * when we set current limit to 400/600/800ma, the card will draw its in sd_set_current_limit()
582 * not supported by the card, the card can rightfully error out the in sd_set_current_limit()
584 * in a 300mA card being limited to 200mA even though the host in sd_set_current_limit()
589 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_800) in sd_set_current_limit()
592 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_600) in sd_set_current_limit()
595 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_400) in sd_set_current_limit()
598 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_200) in sd_set_current_limit()
602 err = mmc_sd_switch(card, SD_SWITCH_SET, 3, in sd_set_current_limit()
609 mmc_hostname(card->host)); in sd_set_current_limit()
619 static int mmc_sd_init_uhs_card(struct mmc_card *card) in mmc_sd_init_uhs_card() argument
624 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_init_uhs_card()
632 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
636 mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
640 * and card capability. in mmc_sd_init_uhs_card()
642 sd_update_bus_speed_mode(card); in mmc_sd_init_uhs_card()
644 /* Set the driver strength for the card */ in mmc_sd_init_uhs_card()
645 err = sd_select_driver_type(card, status); in mmc_sd_init_uhs_card()
649 /* Set current limit for the card */ in mmc_sd_init_uhs_card()
650 err = sd_set_current_limit(card, status); in mmc_sd_init_uhs_card()
654 /* Set bus speed mode of the card */ in mmc_sd_init_uhs_card()
655 err = sd_set_bus_speed_mode(card, status); in mmc_sd_init_uhs_card()
663 if (!mmc_host_is_spi(card->host) && in mmc_sd_init_uhs_card()
664 (card->host->ios.timing == MMC_TIMING_UHS_SDR50 || in mmc_sd_init_uhs_card()
665 card->host->ios.timing == MMC_TIMING_UHS_DDR50 || in mmc_sd_init_uhs_card()
666 card->host->ios.timing == MMC_TIMING_UHS_SDR104)) { in mmc_sd_init_uhs_card()
667 err = mmc_execute_tuning(card); in mmc_sd_init_uhs_card()
676 if (err && card->host->ios.timing == MMC_TIMING_UHS_DDR50) { in mmc_sd_init_uhs_card()
678 mmc_hostname(card->host)); in mmc_sd_init_uhs_card()
689 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
690 card->raw_cid[2], card->raw_cid[3]);
691 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
692 card->raw_csd[2], card->raw_csd[3]);
693 MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
696 card->raw_ssr[0], card->raw_ssr[1], card->raw_ssr[2],
697 card->raw_ssr[3], card->raw_ssr[4], card->raw_ssr[5],
698 card->raw_ssr[6], card->raw_ssr[7], card->raw_ssr[8],
699 card->raw_ssr[9], card->raw_ssr[10], card->raw_ssr[11],
700 card->raw_ssr[12], card->raw_ssr[13], card->raw_ssr[14],
701 card->raw_ssr[15]);
702 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
703 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
704 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
705 MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
706 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
707 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
708 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
709 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
710 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
711 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
712 MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
718 struct mmc_card *card = mmc_dev_to_card(dev); in mmc_dsr_show() local
719 struct mmc_host *host = card->host; in mmc_dsr_show()
721 if (card->csd.dsr_imp && host->dsr_req) in mmc_dsr_show()
729 MMC_DEV_ATTR(vendor, "0x%04x\n", card->cis.vendor);
730 MMC_DEV_ATTR(device, "0x%04x\n", card->cis.device);
731 MMC_DEV_ATTR(revision, "%u.%u\n", card->major_rev, card->minor_rev);
736 struct mmc_card *card = mmc_dev_to_card(dev); \
738 if (num > card->num_info) \
740 if (!card->info[num - 1][0]) \
742 return sysfs_emit(buf, "%s\n", card->info[num - 1]); \
782 struct mmc_card *card = mmc_dev_to_card(dev); in sd_std_is_visible() local
792 ) &&!mmc_card_sd_combo(card)) in sd_std_is_visible()
809 * Fetch CID from card.
834 * compliant card and we should set bit 30 in mmc_sd_get_cid()
841 /* Set HO2T as well - SDUC card won't respond otherwise */ in mmc_sd_get_cid()
846 * If the host supports one of UHS-I modes, request the card in mmc_sd_get_cid()
847 * to switch to 1.8V signaling level. If the card has failed in mmc_sd_get_cid()
888 int mmc_sd_get_csd(struct mmc_card *card, bool is_sduc) in mmc_sd_get_csd() argument
893 * Fetch CSD from card. in mmc_sd_get_csd()
895 err = mmc_send_csd(card, card->raw_csd); in mmc_sd_get_csd()
899 err = mmc_decode_csd(card, is_sduc); in mmc_sd_get_csd()
912 * E.g. because they only have micro-SD card slot. For those systems in mmc_sd_get_ro()
913 * assume that the SD card is always read-write. in mmc_sd_get_ro()
926 int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card, in mmc_sd_setup_card() argument
933 * Fetch SCR from card. in mmc_sd_setup_card()
935 err = mmc_app_send_scr(card); in mmc_sd_setup_card()
939 err = mmc_decode_scr(card); in mmc_sd_setup_card()
946 err = mmc_read_ssr(card); in mmc_sd_setup_card()
951 mmc_init_erase(card); in mmc_sd_setup_card()
955 * Fetch switch information from card. Note, sd3_bus_mode can change if in mmc_sd_setup_card()
958 err = mmc_read_switch(card); in mmc_sd_setup_card()
965 * card registers because some SDHC cards are not able in mmc_sd_setup_card()
984 mmc_card_set_readonly(card); in mmc_sd_setup_card()
991 unsigned mmc_sd_get_max_clock(struct mmc_card *card) in mmc_sd_get_max_clock() argument
995 if (mmc_card_hs(card)) { in mmc_sd_get_max_clock()
996 if (max_dtr > card->sw_caps.hs_max_dtr) in mmc_sd_get_max_clock()
997 max_dtr = card->sw_caps.hs_max_dtr; in mmc_sd_get_max_clock()
998 } else if (max_dtr > card->csd.max_dtr) { in mmc_sd_get_max_clock()
999 max_dtr = card->csd.max_dtr; in mmc_sd_get_max_clock()
1005 static bool mmc_sd_card_using_v18(struct mmc_card *card) in mmc_sd_card_using_v18() argument
1009 * 2 to 4 are zero if the card is initialized at 3.3V signal level. Thus in mmc_sd_card_using_v18()
1010 * they can be used to determine if the card has already switched to in mmc_sd_card_using_v18()
1013 return card->sw_caps.sd3_bus_mode & in mmc_sd_card_using_v18()
1017 static int sd_write_ext_reg(struct mmc_card *card, u8 fno, u8 page, u16 offset, in sd_write_ext_reg() argument
1020 struct mmc_host *host = card->host; in sd_write_ext_reg()
1058 mmc_set_data_timeout(&data, card); in sd_write_ext_reg()
1064 * Note that, the SD card is allowed to signal busy on DAT0 up to 1s in sd_write_ext_reg()
1077 static int sd_read_ext_reg(struct mmc_card *card, u8 fno, u8 page, in sd_read_ext_reg() argument
1093 return mmc_send_adtc_data(card, card->host, SD_READ_EXTR_SINGLE, in sd_read_ext_reg()
1097 static int sd_parse_ext_reg_power(struct mmc_card *card, u8 fno, u8 page, in sd_parse_ext_reg_power() argument
1108 err = sd_read_ext_reg(card, fno, page, offset, 512, reg_buf); in sd_parse_ext_reg_power()
1111 mmc_hostname(card->host), err); in sd_parse_ext_reg_power()
1116 card->ext_power.rev = reg_buf[0] & 0xf; in sd_parse_ext_reg_power()
1119 if ((reg_buf[1] & BIT(4)) && !mmc_card_broken_sd_poweroff_notify(card)) in sd_parse_ext_reg_power()
1120 card->ext_power.feature_support |= SD_EXT_POWER_OFF_NOTIFY; in sd_parse_ext_reg_power()
1124 card->ext_power.feature_support |= SD_EXT_POWER_SUSTENANCE; in sd_parse_ext_reg_power()
1128 card->ext_power.feature_support |= SD_EXT_POWER_DOWN_MODE; in sd_parse_ext_reg_power()
1130 card->ext_power.fno = fno; in sd_parse_ext_reg_power()
1131 card->ext_power.page = page; in sd_parse_ext_reg_power()
1132 card->ext_power.offset = offset; in sd_parse_ext_reg_power()
1139 static int sd_parse_ext_reg_perf(struct mmc_card *card, u8 fno, u8 page, in sd_parse_ext_reg_perf() argument
1149 err = sd_read_ext_reg(card, fno, page, offset, 512, reg_buf); in sd_parse_ext_reg_perf()
1152 mmc_hostname(card->host), err); in sd_parse_ext_reg_perf()
1157 card->ext_perf.rev = reg_buf[0]; in sd_parse_ext_reg_perf()
1161 card->ext_perf.feature_support |= SD_EXT_PERF_FX_EVENT; in sd_parse_ext_reg_perf()
1163 /* Card initiated self-maintenance support at bit 0. */ in sd_parse_ext_reg_perf()
1165 card->ext_perf.feature_support |= SD_EXT_PERF_CARD_MAINT; in sd_parse_ext_reg_perf()
1169 card->ext_perf.feature_support |= SD_EXT_PERF_HOST_MAINT; in sd_parse_ext_reg_perf()
1172 if ((reg_buf[4] & BIT(0)) && !mmc_card_broken_sd_cache(card)) in sd_parse_ext_reg_perf()
1173 card->ext_perf.feature_support |= SD_EXT_PERF_CACHE; in sd_parse_ext_reg_perf()
1177 card->ext_perf.feature_support |= SD_EXT_PERF_CMD_QUEUE; in sd_parse_ext_reg_perf()
1179 card->ext_perf.fno = fno; in sd_parse_ext_reg_perf()
1180 card->ext_perf.page = page; in sd_parse_ext_reg_perf()
1181 card->ext_perf.offset = offset; in sd_parse_ext_reg_perf()
1188 static int sd_parse_ext_reg(struct mmc_card *card, u8 *gen_info_buf, in sd_parse_ext_reg() argument
1230 return sd_parse_ext_reg_power(card, fno, page, offset); in sd_parse_ext_reg()
1234 return sd_parse_ext_reg_perf(card, fno, page, offset); in sd_parse_ext_reg()
1239 static int sd_read_ext_regs(struct mmc_card *card) in sd_read_ext_regs() argument
1245 if (mmc_host_is_spi(card->host)) in sd_read_ext_regs()
1248 if (!(card->scr.cmds & SD_SCR_CMD48_SUPPORT)) in sd_read_ext_regs()
1259 err = sd_read_ext_reg(card, 0, 0, 0, 512, gen_info_buf); in sd_read_ext_regs()
1262 mmc_hostname(card->host), err); in sd_read_ext_regs()
1278 * card, even if we can't support the features from the SD function in sd_read_ext_regs()
1283 mmc_hostname(card->host)); in sd_read_ext_regs()
1293 err = sd_parse_ext_reg(card, gen_info_buf, &next_ext_addr); in sd_read_ext_regs()
1296 mmc_hostname(card->host), err); in sd_read_ext_regs()
1308 return host->card->ext_perf.feature_enabled & SD_EXT_PERF_CACHE; in sd_cache_enabled()
1313 struct mmc_card *card = host->card; in sd_flush_cache() local
1329 fno = card->ext_perf.fno; in sd_flush_cache()
1330 page = card->ext_perf.page; in sd_flush_cache()
1331 offset = card->ext_perf.offset + 261; in sd_flush_cache()
1333 err = sd_write_ext_reg(card, fno, page, offset, BIT(0)); in sd_flush_cache()
1340 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_flush_cache()
1346 * Read the Flush Cache bit. The card shall reset it, to confirm that in sd_flush_cache()
1349 err = sd_read_ext_reg(card, fno, page, offset, 1, reg_buf); in sd_flush_cache()
1363 static int sd_enable_cache(struct mmc_card *card) in sd_enable_cache() argument
1368 card->ext_perf.feature_enabled &= ~SD_EXT_PERF_CACHE; in sd_enable_cache()
1378 err = sd_write_ext_reg(card, card->ext_perf.fno, card->ext_perf.page, in sd_enable_cache()
1379 card->ext_perf.offset + 260, BIT(0)); in sd_enable_cache()
1382 mmc_hostname(card->host), err); in sd_enable_cache()
1386 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_enable_cache()
1389 card->ext_perf.feature_enabled |= SD_EXT_PERF_CACHE; in sd_enable_cache()
1397 * Handle the detection and initialisation of a card.
1399 * In the case of a resume, "oldcard" will contain the card
1405 struct mmc_card *card; in mmc_sd_init_card() local
1419 pr_debug("%s: Perhaps the card was replaced\n", in mmc_sd_init_card()
1424 card = oldcard; in mmc_sd_init_card()
1427 * Allocate card structure. in mmc_sd_init_card()
1429 card = mmc_alloc_card(host, &sd_type); in mmc_sd_init_card()
1430 if (IS_ERR(card)) in mmc_sd_init_card()
1431 return PTR_ERR(card); in mmc_sd_init_card()
1433 card->ocr = ocr; in mmc_sd_init_card()
1434 card->type = MMC_TYPE_SD; in mmc_sd_init_card()
1435 memcpy(card->raw_cid, cid, sizeof(card->raw_cid)); in mmc_sd_init_card()
1442 host->ops->init_card(host, card); in mmc_sd_init_card()
1445 * For native busses: get card RCA and quit open drain mode. in mmc_sd_init_card()
1448 err = mmc_send_relative_addr(host, &card->rca); in mmc_sd_init_card()
1457 err = mmc_sd_get_csd(card, is_sduc); in mmc_sd_init_card()
1461 mmc_decode_cid(card); in mmc_sd_init_card()
1468 if (card->csd.dsr_imp && host->dsr_req) in mmc_sd_init_card()
1472 * Select card, as all following commands rely on that. in mmc_sd_init_card()
1475 err = mmc_select_card(card); in mmc_sd_init_card()
1480 /* Apply quirks prior to card setup */ in mmc_sd_init_card()
1481 mmc_fixup_device(card, mmc_sd_fixups); in mmc_sd_init_card()
1483 err = mmc_sd_setup_card(host, card, oldcard != NULL); in mmc_sd_init_card()
1488 * If the card has not been power cycled, it may still be using 1.8V in mmc_sd_init_card()
1493 mmc_sd_card_using_v18(card) && in mmc_sd_init_card()
1496 mmc_sd_init_uhs_card(card)) { in mmc_sd_init_card()
1500 mmc_remove_card(card); in mmc_sd_init_card()
1508 err = mmc_sd_init_uhs_card(card); in mmc_sd_init_card()
1515 err = mmc_sd_switch_hs(card); in mmc_sd_init_card()
1517 mmc_set_timing(card->host, MMC_TIMING_SD_HS); in mmc_sd_init_card()
1524 mmc_set_clock(host, mmc_sd_get_max_clock(card)); in mmc_sd_init_card()
1528 err = host->ops->prepare_sd_hs_tuning(host, card); in mmc_sd_init_card()
1537 (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) { in mmc_sd_init_card()
1538 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_card()
1547 err = host->ops->execute_sd_hs_tuning(host, card); in mmc_sd_init_card()
1555 err = sd_read_ext_regs(card); in mmc_sd_init_card()
1561 if (card->ext_perf.feature_support & SD_EXT_PERF_CACHE) { in mmc_sd_init_card()
1562 err = sd_enable_cache(card); in mmc_sd_init_card()
1567 if (!mmc_card_ult_capacity(card) && host->cqe_ops && !host->cqe_enabled) { in mmc_sd_init_card()
1568 err = host->cqe_ops->cqe_enable(host, card); in mmc_sd_init_card()
1585 host->card = card; in mmc_sd_init_card()
1590 mmc_remove_card(card); in mmc_sd_init_card()
1596 * Host is being removed. Free up the current card.
1600 mmc_remove_card(host->card); in mmc_sd_remove()
1601 host->card = NULL; in mmc_sd_remove()
1605 * Card detection - card is alive.
1609 return mmc_send_status(host->card, NULL); in mmc_sd_alive()
1613 * Card detection callback from host.
1619 mmc_get_card(host->card, NULL); in mmc_sd_detect()
1622 * Just check if our card has been removed. in mmc_sd_detect()
1626 mmc_put_card(host->card, NULL); in mmc_sd_detect()
1638 static int sd_can_poweroff_notify(struct mmc_card *card) in sd_can_poweroff_notify() argument
1640 return card->ext_power.feature_support & SD_EXT_POWER_OFF_NOTIFY; in sd_can_poweroff_notify()
1646 struct mmc_card *card = data->card; in sd_busy_poweroff_notify_cb() local
1654 err = sd_read_ext_reg(card, card->ext_power.fno, card->ext_power.page, in sd_busy_poweroff_notify_cb()
1655 card->ext_power.offset + 1, 1, data->reg_buf); in sd_busy_poweroff_notify_cb()
1658 mmc_hostname(card->host), err); in sd_busy_poweroff_notify_cb()
1666 static int sd_poweroff_notify(struct mmc_card *card) in sd_poweroff_notify() argument
1680 err = sd_write_ext_reg(card, card->ext_power.fno, card->ext_power.page, in sd_poweroff_notify()
1681 card->ext_power.offset + 2, BIT(0)); in sd_poweroff_notify()
1684 mmc_hostname(card->host), err); in sd_poweroff_notify()
1689 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_poweroff_notify()
1694 cb_data.card = card; in sd_poweroff_notify()
1696 err = __mmc_poll_for_busy(card->host, 0, SD_POWEROFF_NOTIFY_TIMEOUT_MS, in sd_poweroff_notify()
1706 struct mmc_card *card = host->card; in _mmc_sd_suspend() local
1711 if (mmc_card_suspended(card)) in _mmc_sd_suspend()
1714 if (sd_can_poweroff_notify(card)) in _mmc_sd_suspend()
1715 err = sd_poweroff_notify(card); in _mmc_sd_suspend()
1721 mmc_card_set_suspended(card); in _mmc_sd_suspend()
1738 pm_runtime_disable(&host->card->dev); in mmc_sd_suspend()
1739 pm_runtime_set_suspended(&host->card->dev); in mmc_sd_suspend()
1746 * This function tries to determine if the same card is still present
1755 if (!mmc_card_suspended(host->card)) in _mmc_sd_resume()
1758 mmc_power_up(host, host->card->ocr); in _mmc_sd_resume()
1759 err = mmc_sd_init_card(host, host->card->ocr, host->card); in _mmc_sd_resume()
1760 mmc_card_clr_suspended(host->card); in _mmc_sd_resume()
1772 pm_runtime_enable(&host->card->dev); in mmc_sd_resume()
1811 mmc_power_cycle(host, host->card->ocr); in mmc_sd_hw_reset()
1812 return mmc_sd_init_card(host, host->card->ocr, host->card); in mmc_sd_hw_reset()
1830 * Starting point for SD card init.
1867 * Can we support the voltage(s) of the card(s)? in mmc_attach_sd()
1875 * Detect and init the card. in mmc_attach_sd()
1882 err = mmc_add_card(host->card); in mmc_attach_sd()
1890 mmc_remove_card(host->card); in mmc_attach_sd()
1891 host->card = NULL; in mmc_attach_sd()
1896 pr_err("%s: error %d whilst initialising SD card\n", in mmc_attach_sd()