Lines Matching full:card
20 #include <linux/mmc/card.h>
25 #include "card.h"
77 struct mmc_card *card; member
84 void mmc_decode_cid(struct mmc_card *card) in mmc_decode_cid() argument
86 u32 *resp = card->raw_cid; in mmc_decode_cid()
89 * Add the raw card ID (cid) data to the entropy pool. It doesn't in mmc_decode_cid()
92 add_device_randomness(&card->raw_cid, sizeof(card->raw_cid)); 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.hwrev = UNSTUFF_BITS(resp, 60, 4); in mmc_decode_cid()
106 card->cid.fwrev = UNSTUFF_BITS(resp, 56, 4); in mmc_decode_cid()
107 card->cid.serial = UNSTUFF_BITS(resp, 24, 32); in mmc_decode_cid()
108 card->cid.year = UNSTUFF_BITS(resp, 12, 8); in mmc_decode_cid()
109 card->cid.month = UNSTUFF_BITS(resp, 8, 4); in mmc_decode_cid()
111 card->cid.year += 2000; /* SD cards year offset */ in mmc_decode_cid()
115 * Given a 128-bit response, decode to our card CSD structure.
117 static int mmc_decode_csd(struct mmc_card *card) in mmc_decode_csd() argument
119 struct mmc_csd *csd = &card->csd; in mmc_decode_csd()
121 u32 *resp = card->raw_csd; in mmc_decode_csd()
158 mmc_card_set_readonly(card); in mmc_decode_csd()
162 * This is a block-addressed SDHC or SDXC card. Most in mmc_decode_csd()
167 mmc_card_set_blockaddr(card); in mmc_decode_csd()
180 mmc_card_set_ext_capacity(card); in mmc_decode_csd()
195 mmc_card_set_readonly(card); in mmc_decode_csd()
199 mmc_hostname(card->host), csd_struct); in mmc_decode_csd()
203 card->erase_size = csd->erase_size; in mmc_decode_csd()
209 * Given a 64-bit response, decode to our card SCR structure.
211 static int mmc_decode_scr(struct mmc_card *card) in mmc_decode_scr() argument
213 struct sd_scr *scr = &card->scr; in mmc_decode_scr()
217 resp[3] = card->raw_scr[1]; in mmc_decode_scr()
218 resp[2] = card->raw_scr[0]; in mmc_decode_scr()
223 mmc_hostname(card->host), scr_struct); in mmc_decode_scr()
239 card->erased_byte = 0xFF; in mmc_decode_scr()
241 card->erased_byte = 0x0; in mmc_decode_scr()
248 /* SD Spec says: any SD Card shall set at least bits 0 and 2 */ in mmc_decode_scr()
251 pr_err("%s: invalid bus width\n", mmc_hostname(card->host)); in mmc_decode_scr()
261 static int mmc_read_ssr(struct mmc_card *card) in mmc_read_ssr() argument
269 if (!(card->csd.cmdclass & CCC_APP_SPEC)) { in mmc_read_ssr()
270 pr_warn("%s: card lacks mandatory SD Status function\n", in mmc_read_ssr()
271 mmc_hostname(card->host)); in mmc_read_ssr()
275 raw_ssr = kmalloc(sizeof(card->raw_ssr), GFP_KERNEL); in mmc_read_ssr()
279 if (mmc_app_sd_status(card, raw_ssr)) { in mmc_read_ssr()
281 mmc_hostname(card->host)); in mmc_read_ssr()
287 card->raw_ssr[i] = be32_to_cpu(raw_ssr[i]); in mmc_read_ssr()
295 au = UNSTUFF_BITS(card->raw_ssr, 428 - 384, 4); in mmc_read_ssr()
297 if (au <= 9 || card->scr.sda_spec3) { in mmc_read_ssr()
298 card->ssr.au = sd_au_size[au]; in mmc_read_ssr()
299 es = UNSTUFF_BITS(card->raw_ssr, 408 - 384, 16); in mmc_read_ssr()
300 et = UNSTUFF_BITS(card->raw_ssr, 402 - 384, 6); in mmc_read_ssr()
302 eo = UNSTUFF_BITS(card->raw_ssr, 400 - 384, 2); in mmc_read_ssr()
303 card->ssr.erase_timeout = (et * 1000) / es; in mmc_read_ssr()
304 card->ssr.erase_offset = eo * 1000; in mmc_read_ssr()
308 mmc_hostname(card->host)); in mmc_read_ssr()
315 resp[3] = card->raw_ssr[6]; in mmc_read_ssr()
317 card->erase_arg = (card->scr.sda_specx && discard_support) ? in mmc_read_ssr()
326 static int mmc_read_switch(struct mmc_card *card) in mmc_read_switch() argument
331 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_read_switch()
334 if (!(card->csd.cmdclass & CCC_SWITCH)) { in mmc_read_switch()
335 pr_warn("%s: card lacks mandatory switch function, performance might suffer\n", in mmc_read_switch()
336 mmc_hostname(card->host)); in mmc_read_switch()
345 * Find out the card's support bits with a mode 0 operation. in mmc_read_switch()
349 err = mmc_sd_switch(card, 0, 0, 0, status); in mmc_read_switch()
352 * If the host or the card can't do the switch, in mmc_read_switch()
359 mmc_hostname(card->host)); in mmc_read_switch()
366 card->sw_caps.hs_max_dtr = HIGH_SPEED_MAX_DTR; in mmc_read_switch()
368 if (card->scr.sda_spec3) { in mmc_read_switch()
369 card->sw_caps.sd3_bus_mode = status[13]; in mmc_read_switch()
370 /* Driver Strengths supported by the card */ in mmc_read_switch()
371 card->sw_caps.sd3_drv_type = status[9]; in mmc_read_switch()
372 card->sw_caps.sd3_curr_limit = status[7] | status[6] << 8; in mmc_read_switch()
382 * Test if the card supports high-speed mode and, if so, switch to it.
384 int mmc_sd_switch_hs(struct mmc_card *card) in mmc_sd_switch_hs() argument
389 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_sd_switch_hs()
392 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_switch_hs()
395 if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED)) in mmc_sd_switch_hs()
398 if (card->sw_caps.hs_max_dtr == 0) in mmc_sd_switch_hs()
405 err = mmc_sd_switch(card, 1, 0, HIGH_SPEED_BUS_SPEED, status); in mmc_sd_switch_hs()
410 pr_warn("%s: Problem switching card into high-speed mode!\n", in mmc_sd_switch_hs()
411 mmc_hostname(card->host)); in mmc_sd_switch_hs()
423 static int sd_select_driver_type(struct mmc_card *card, u8 *status) in sd_select_driver_type() argument
428 card->drive_strength = 0; in sd_select_driver_type()
430 card_drv_type = card->sw_caps.sd3_drv_type | SD_DRIVER_TYPE_B; in sd_select_driver_type()
432 drive_strength = mmc_select_drive_strength(card, in sd_select_driver_type()
433 card->sw_caps.uhs_max_dtr, in sd_select_driver_type()
437 err = mmc_sd_switch(card, 1, 2, drive_strength, status); in sd_select_driver_type()
442 mmc_hostname(card->host)); in sd_select_driver_type()
445 card->drive_strength = drive_strength; in sd_select_driver_type()
449 mmc_set_driver_type(card->host, drv_type); in sd_select_driver_type()
454 static void sd_update_bus_speed_mode(struct mmc_card *card) in sd_update_bus_speed_mode() argument
460 if (!mmc_host_uhs(card->host)) { in sd_update_bus_speed_mode()
461 card->sd_bus_speed = 0; in sd_update_bus_speed_mode()
465 if ((card->host->caps & MMC_CAP_UHS_SDR104) && in sd_update_bus_speed_mode()
466 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) { in sd_update_bus_speed_mode()
467 card->sd_bus_speed = UHS_SDR104_BUS_SPEED; in sd_update_bus_speed_mode()
468 } else if ((card->host->caps & MMC_CAP_UHS_DDR50) && in sd_update_bus_speed_mode()
469 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) { in sd_update_bus_speed_mode()
470 card->sd_bus_speed = UHS_DDR50_BUS_SPEED; in sd_update_bus_speed_mode()
471 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
472 MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
474 card->sd_bus_speed = UHS_SDR50_BUS_SPEED; in sd_update_bus_speed_mode()
475 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
477 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) { in sd_update_bus_speed_mode()
478 card->sd_bus_speed = UHS_SDR25_BUS_SPEED; in sd_update_bus_speed_mode()
479 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
481 MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
483 card->sd_bus_speed = UHS_SDR12_BUS_SPEED; in sd_update_bus_speed_mode()
487 static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status) in sd_set_bus_speed_mode() argument
492 switch (card->sd_bus_speed) { in sd_set_bus_speed_mode()
495 card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR; in sd_set_bus_speed_mode()
499 card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR; in sd_set_bus_speed_mode()
503 card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR; in sd_set_bus_speed_mode()
507 card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR; in sd_set_bus_speed_mode()
511 card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR; in sd_set_bus_speed_mode()
517 err = mmc_sd_switch(card, 1, 0, card->sd_bus_speed, status); in sd_set_bus_speed_mode()
521 if ((status[16] & 0xF) != card->sd_bus_speed) in sd_set_bus_speed_mode()
523 mmc_hostname(card->host)); in sd_set_bus_speed_mode()
525 mmc_set_timing(card->host, timing); in sd_set_bus_speed_mode()
526 mmc_set_clock(card->host, card->sw_caps.uhs_max_dtr); in sd_set_bus_speed_mode()
557 static int sd_set_current_limit(struct mmc_card *card, u8 *status) in sd_set_current_limit() argument
568 if ((card->sd_bus_speed != UHS_SDR50_BUS_SPEED) && in sd_set_current_limit()
569 (card->sd_bus_speed != UHS_SDR104_BUS_SPEED) && in sd_set_current_limit()
570 (card->sd_bus_speed != UHS_DDR50_BUS_SPEED)) in sd_set_current_limit()
577 max_current = sd_get_host_max_current(card->host); in sd_set_current_limit()
581 * higher than the card's maximum current, the card will be using its in sd_set_current_limit()
582 * maximum current, e.g. if the card's maximum current is 300ma, and in sd_set_current_limit()
583 * when we set current limit to 200ma, the card will draw 200ma, and in sd_set_current_limit()
584 * when we set current limit to 400/600/800ma, the card will draw its in sd_set_current_limit()
588 * not supported by the card, the card can rightfully error out the in sd_set_current_limit()
590 * in a 300mA card being limited to 200mA even though the host in sd_set_current_limit()
595 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_800) in sd_set_current_limit()
598 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_600) in sd_set_current_limit()
601 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_400) in sd_set_current_limit()
604 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_200) in sd_set_current_limit()
608 err = mmc_sd_switch(card, 1, 3, current_limit, status); in sd_set_current_limit()
614 mmc_hostname(card->host)); in sd_set_current_limit()
624 static int mmc_sd_init_uhs_card(struct mmc_card *card) in mmc_sd_init_uhs_card() argument
629 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_init_uhs_card()
637 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
641 mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
645 * and card capability. in mmc_sd_init_uhs_card()
647 sd_update_bus_speed_mode(card); in mmc_sd_init_uhs_card()
649 /* Set the driver strength for the card */ in mmc_sd_init_uhs_card()
650 err = sd_select_driver_type(card, status); in mmc_sd_init_uhs_card()
654 /* Set current limit for the card */ in mmc_sd_init_uhs_card()
655 err = sd_set_current_limit(card, status); in mmc_sd_init_uhs_card()
659 /* Set bus speed mode of the card */ in mmc_sd_init_uhs_card()
660 err = sd_set_bus_speed_mode(card, status); in mmc_sd_init_uhs_card()
668 if (!mmc_host_is_spi(card->host) && in mmc_sd_init_uhs_card()
669 (card->host->ios.timing == MMC_TIMING_UHS_SDR50 || in mmc_sd_init_uhs_card()
670 card->host->ios.timing == MMC_TIMING_UHS_DDR50 || in mmc_sd_init_uhs_card()
671 card->host->ios.timing == MMC_TIMING_UHS_SDR104)) { in mmc_sd_init_uhs_card()
672 err = mmc_execute_tuning(card); in mmc_sd_init_uhs_card()
681 if (err && card->host->ios.timing == MMC_TIMING_UHS_DDR50) { in mmc_sd_init_uhs_card()
683 mmc_hostname(card->host)); in mmc_sd_init_uhs_card()
694 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
695 card->raw_cid[2], card->raw_cid[3]);
696 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
697 card->raw_csd[2], card->raw_csd[3]);
698 MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
701 card->raw_ssr[0], card->raw_ssr[1], card->raw_ssr[2],
702 card->raw_ssr[3], card->raw_ssr[4], card->raw_ssr[5],
703 card->raw_ssr[6], card->raw_ssr[7], card->raw_ssr[8],
704 card->raw_ssr[9], card->raw_ssr[10], card->raw_ssr[11],
705 card->raw_ssr[12], card->raw_ssr[13], card->raw_ssr[14],
706 card->raw_ssr[15]);
707 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
708 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
709 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
710 MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
711 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
712 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
713 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
714 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
715 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
716 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
717 MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
723 struct mmc_card *card = mmc_dev_to_card(dev); in mmc_dsr_show() local
724 struct mmc_host *host = card->host; in mmc_dsr_show()
726 if (card->csd.dsr_imp && host->dsr_req) in mmc_dsr_show()
734 MMC_DEV_ATTR(vendor, "0x%04x\n", card->cis.vendor);
735 MMC_DEV_ATTR(device, "0x%04x\n", card->cis.device);
736 MMC_DEV_ATTR(revision, "%u.%u\n", card->major_rev, card->minor_rev);
741 struct mmc_card *card = mmc_dev_to_card(dev); \
743 if (num > card->num_info) \
745 if (!card->info[num - 1][0]) \
747 return sysfs_emit(buf, "%s\n", card->info[num - 1]); \
787 struct mmc_card *card = mmc_dev_to_card(dev); in sd_std_is_visible() local
797 ) &&!mmc_card_sd_combo(card)) in sd_std_is_visible()
814 * Fetch CID from card.
839 * compliant card and we should set bit 30 in mmc_sd_get_cid()
848 * If the host supports one of UHS-I modes, request the card in mmc_sd_get_cid()
849 * to switch to 1.8V signaling level. If the card has failed in mmc_sd_get_cid()
890 int mmc_sd_get_csd(struct mmc_card *card) in mmc_sd_get_csd() argument
895 * Fetch CSD from card. in mmc_sd_get_csd()
897 err = mmc_send_csd(card, card->raw_csd); in mmc_sd_get_csd()
901 err = mmc_decode_csd(card); in mmc_sd_get_csd()
914 * E.g. because they only have micro-SD card slot. For those systems in mmc_sd_get_ro()
915 * assume that the SD card is always read-write. in mmc_sd_get_ro()
928 int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card, in mmc_sd_setup_card() argument
935 * Fetch SCR from card. in mmc_sd_setup_card()
937 err = mmc_app_send_scr(card); in mmc_sd_setup_card()
941 err = mmc_decode_scr(card); in mmc_sd_setup_card()
948 err = mmc_read_ssr(card); in mmc_sd_setup_card()
953 mmc_init_erase(card); in mmc_sd_setup_card()
957 * Fetch switch information from card. Note, sd3_bus_mode can change if in mmc_sd_setup_card()
960 err = mmc_read_switch(card); in mmc_sd_setup_card()
967 * card registers because some SDHC cards are not able in mmc_sd_setup_card()
986 mmc_card_set_readonly(card); in mmc_sd_setup_card()
993 unsigned mmc_sd_get_max_clock(struct mmc_card *card) in mmc_sd_get_max_clock() argument
997 if (mmc_card_hs(card)) { in mmc_sd_get_max_clock()
998 if (max_dtr > card->sw_caps.hs_max_dtr) in mmc_sd_get_max_clock()
999 max_dtr = card->sw_caps.hs_max_dtr; in mmc_sd_get_max_clock()
1000 } else if (max_dtr > card->csd.max_dtr) { in mmc_sd_get_max_clock()
1001 max_dtr = card->csd.max_dtr; in mmc_sd_get_max_clock()
1007 static bool mmc_sd_card_using_v18(struct mmc_card *card) in mmc_sd_card_using_v18() argument
1011 * 2 to 4 are zero if the card is initialized at 3.3V signal level. Thus in mmc_sd_card_using_v18()
1012 * they can be used to determine if the card has already switched to in mmc_sd_card_using_v18()
1015 return card->sw_caps.sd3_bus_mode & in mmc_sd_card_using_v18()
1019 static int sd_write_ext_reg(struct mmc_card *card, u8 fno, u8 page, u16 offset, in sd_write_ext_reg() argument
1022 struct mmc_host *host = card->host; in sd_write_ext_reg()
1060 mmc_set_data_timeout(&data, card); in sd_write_ext_reg()
1066 * Note that, the SD card is allowed to signal busy on DAT0 up to 1s in sd_write_ext_reg()
1079 static int sd_read_ext_reg(struct mmc_card *card, u8 fno, u8 page, in sd_read_ext_reg() argument
1095 return mmc_send_adtc_data(card, card->host, SD_READ_EXTR_SINGLE, in sd_read_ext_reg()
1099 static int sd_parse_ext_reg_power(struct mmc_card *card, u8 fno, u8 page, in sd_parse_ext_reg_power() argument
1110 err = sd_read_ext_reg(card, fno, page, offset, 512, reg_buf); in sd_parse_ext_reg_power()
1113 mmc_hostname(card->host), err); in sd_parse_ext_reg_power()
1118 card->ext_power.rev = reg_buf[0] & 0xf; in sd_parse_ext_reg_power()
1121 if ((reg_buf[1] & BIT(4)) && !mmc_card_broken_sd_poweroff_notify(card)) in sd_parse_ext_reg_power()
1122 card->ext_power.feature_support |= SD_EXT_POWER_OFF_NOTIFY; in sd_parse_ext_reg_power()
1126 card->ext_power.feature_support |= SD_EXT_POWER_SUSTENANCE; in sd_parse_ext_reg_power()
1130 card->ext_power.feature_support |= SD_EXT_POWER_DOWN_MODE; in sd_parse_ext_reg_power()
1132 card->ext_power.fno = fno; in sd_parse_ext_reg_power()
1133 card->ext_power.page = page; in sd_parse_ext_reg_power()
1134 card->ext_power.offset = offset; in sd_parse_ext_reg_power()
1141 static int sd_parse_ext_reg_perf(struct mmc_card *card, u8 fno, u8 page, in sd_parse_ext_reg_perf() argument
1151 err = sd_read_ext_reg(card, fno, page, offset, 512, reg_buf); in sd_parse_ext_reg_perf()
1154 mmc_hostname(card->host), err); in sd_parse_ext_reg_perf()
1159 card->ext_perf.rev = reg_buf[0]; in sd_parse_ext_reg_perf()
1163 card->ext_perf.feature_support |= SD_EXT_PERF_FX_EVENT; in sd_parse_ext_reg_perf()
1165 /* Card initiated self-maintenance support at bit 0. */ in sd_parse_ext_reg_perf()
1167 card->ext_perf.feature_support |= SD_EXT_PERF_CARD_MAINT; in sd_parse_ext_reg_perf()
1171 card->ext_perf.feature_support |= SD_EXT_PERF_HOST_MAINT; in sd_parse_ext_reg_perf()
1174 if ((reg_buf[4] & BIT(0)) && !mmc_card_broken_sd_cache(card)) in sd_parse_ext_reg_perf()
1175 card->ext_perf.feature_support |= SD_EXT_PERF_CACHE; in sd_parse_ext_reg_perf()
1179 card->ext_perf.feature_support |= SD_EXT_PERF_CMD_QUEUE; in sd_parse_ext_reg_perf()
1181 card->ext_perf.fno = fno; in sd_parse_ext_reg_perf()
1182 card->ext_perf.page = page; in sd_parse_ext_reg_perf()
1183 card->ext_perf.offset = offset; in sd_parse_ext_reg_perf()
1190 static int sd_parse_ext_reg(struct mmc_card *card, u8 *gen_info_buf, in sd_parse_ext_reg() argument
1232 return sd_parse_ext_reg_power(card, fno, page, offset); in sd_parse_ext_reg()
1236 return sd_parse_ext_reg_perf(card, fno, page, offset); in sd_parse_ext_reg()
1241 static int sd_read_ext_regs(struct mmc_card *card) in sd_read_ext_regs() argument
1247 if (mmc_host_is_spi(card->host)) in sd_read_ext_regs()
1250 if (!(card->scr.cmds & SD_SCR_CMD48_SUPPORT)) in sd_read_ext_regs()
1261 err = sd_read_ext_reg(card, 0, 0, 0, 512, gen_info_buf); in sd_read_ext_regs()
1264 mmc_hostname(card->host), err); in sd_read_ext_regs()
1280 * card, even if we can't support the features from the SD function in sd_read_ext_regs()
1285 mmc_hostname(card->host)); in sd_read_ext_regs()
1295 err = sd_parse_ext_reg(card, gen_info_buf, &next_ext_addr); in sd_read_ext_regs()
1298 mmc_hostname(card->host), err); in sd_read_ext_regs()
1310 return host->card->ext_perf.feature_enabled & SD_EXT_PERF_CACHE; in sd_cache_enabled()
1315 struct mmc_card *card = host->card; in sd_flush_cache() local
1331 fno = card->ext_perf.fno; in sd_flush_cache()
1332 page = card->ext_perf.page; in sd_flush_cache()
1333 offset = card->ext_perf.offset + 261; in sd_flush_cache()
1335 err = sd_write_ext_reg(card, fno, page, offset, BIT(0)); in sd_flush_cache()
1342 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_flush_cache()
1348 * Read the Flush Cache bit. The card shall reset it, to confirm that in sd_flush_cache()
1351 err = sd_read_ext_reg(card, fno, page, offset, 1, reg_buf); in sd_flush_cache()
1365 static int sd_enable_cache(struct mmc_card *card) in sd_enable_cache() argument
1370 card->ext_perf.feature_enabled &= ~SD_EXT_PERF_CACHE; in sd_enable_cache()
1380 err = sd_write_ext_reg(card, card->ext_perf.fno, card->ext_perf.page, in sd_enable_cache()
1381 card->ext_perf.offset + 260, BIT(0)); in sd_enable_cache()
1384 mmc_hostname(card->host), err); in sd_enable_cache()
1388 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_enable_cache()
1391 card->ext_perf.feature_enabled |= SD_EXT_PERF_CACHE; in sd_enable_cache()
1399 * Handle the detection and initialisation of a card.
1401 * In the case of a resume, "oldcard" will contain the card
1407 struct mmc_card *card; in mmc_sd_init_card() local
1421 pr_debug("%s: Perhaps the card was replaced\n", in mmc_sd_init_card()
1426 card = oldcard; in mmc_sd_init_card()
1429 * Allocate card structure. in mmc_sd_init_card()
1431 card = mmc_alloc_card(host, &sd_type); in mmc_sd_init_card()
1432 if (IS_ERR(card)) in mmc_sd_init_card()
1433 return PTR_ERR(card); in mmc_sd_init_card()
1435 card->ocr = ocr; in mmc_sd_init_card()
1436 card->type = MMC_TYPE_SD; in mmc_sd_init_card()
1437 memcpy(card->raw_cid, cid, sizeof(card->raw_cid)); in mmc_sd_init_card()
1444 host->ops->init_card(host, card); in mmc_sd_init_card()
1447 * For native busses: get card RCA and quit open drain mode. in mmc_sd_init_card()
1450 err = mmc_send_relative_addr(host, &card->rca); in mmc_sd_init_card()
1456 err = mmc_sd_get_csd(card); in mmc_sd_init_card()
1460 mmc_decode_cid(card); in mmc_sd_init_card()
1467 if (card->csd.dsr_imp && host->dsr_req) in mmc_sd_init_card()
1471 * Select card, as all following commands rely on that. in mmc_sd_init_card()
1474 err = mmc_select_card(card); in mmc_sd_init_card()
1479 /* Apply quirks prior to card setup */ in mmc_sd_init_card()
1480 mmc_fixup_device(card, mmc_sd_fixups); in mmc_sd_init_card()
1482 err = mmc_sd_setup_card(host, card, oldcard != NULL); in mmc_sd_init_card()
1487 * If the card has not been power cycled, it may still be using 1.8V in mmc_sd_init_card()
1492 mmc_sd_card_using_v18(card) && in mmc_sd_init_card()
1495 mmc_sd_init_uhs_card(card)) { in mmc_sd_init_card()
1499 mmc_remove_card(card); in mmc_sd_init_card()
1507 err = mmc_sd_init_uhs_card(card); in mmc_sd_init_card()
1514 err = mmc_sd_switch_hs(card); in mmc_sd_init_card()
1516 mmc_set_timing(card->host, MMC_TIMING_SD_HS); in mmc_sd_init_card()
1523 mmc_set_clock(host, mmc_sd_get_max_clock(card)); in mmc_sd_init_card()
1527 err = host->ops->prepare_sd_hs_tuning(host, card); in mmc_sd_init_card()
1536 (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) { in mmc_sd_init_card()
1537 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_card()
1546 err = host->ops->execute_sd_hs_tuning(host, card); in mmc_sd_init_card()
1554 err = sd_read_ext_regs(card); in mmc_sd_init_card()
1560 if (card->ext_perf.feature_support & SD_EXT_PERF_CACHE) { in mmc_sd_init_card()
1561 err = sd_enable_cache(card); in mmc_sd_init_card()
1567 err = host->cqe_ops->cqe_enable(host, card); in mmc_sd_init_card()
1584 host->card = card; in mmc_sd_init_card()
1589 mmc_remove_card(card); in mmc_sd_init_card()
1595 * Host is being removed. Free up the current card.
1599 mmc_remove_card(host->card); in mmc_sd_remove()
1600 host->card = NULL; in mmc_sd_remove()
1604 * Card detection - card is alive.
1608 return mmc_send_status(host->card, NULL); in mmc_sd_alive()
1612 * Card detection callback from host.
1618 mmc_get_card(host->card, NULL); in mmc_sd_detect()
1621 * Just check if our card has been removed. in mmc_sd_detect()
1625 mmc_put_card(host->card, NULL); in mmc_sd_detect()
1637 static int sd_can_poweroff_notify(struct mmc_card *card) in sd_can_poweroff_notify() argument
1639 return card->ext_power.feature_support & SD_EXT_POWER_OFF_NOTIFY; in sd_can_poweroff_notify()
1645 struct mmc_card *card = data->card; in sd_busy_poweroff_notify_cb() local
1653 err = sd_read_ext_reg(card, card->ext_power.fno, card->ext_power.page, in sd_busy_poweroff_notify_cb()
1654 card->ext_power.offset + 1, 1, data->reg_buf); in sd_busy_poweroff_notify_cb()
1657 mmc_hostname(card->host), err); in sd_busy_poweroff_notify_cb()
1665 static int sd_poweroff_notify(struct mmc_card *card) in sd_poweroff_notify() argument
1679 err = sd_write_ext_reg(card, card->ext_power.fno, card->ext_power.page, in sd_poweroff_notify()
1680 card->ext_power.offset + 2, BIT(0)); in sd_poweroff_notify()
1683 mmc_hostname(card->host), err); in sd_poweroff_notify()
1688 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_poweroff_notify()
1693 cb_data.card = card; in sd_poweroff_notify()
1695 err = __mmc_poll_for_busy(card->host, 0, SD_POWEROFF_NOTIFY_TIMEOUT_MS, in sd_poweroff_notify()
1705 struct mmc_card *card = host->card; in _mmc_sd_suspend() local
1710 if (mmc_card_suspended(card)) in _mmc_sd_suspend()
1713 if (sd_can_poweroff_notify(card)) in _mmc_sd_suspend()
1714 err = sd_poweroff_notify(card); in _mmc_sd_suspend()
1720 mmc_card_set_suspended(card); in _mmc_sd_suspend()
1737 pm_runtime_disable(&host->card->dev); in mmc_sd_suspend()
1738 pm_runtime_set_suspended(&host->card->dev); in mmc_sd_suspend()
1745 * This function tries to determine if the same card is still present
1754 if (!mmc_card_suspended(host->card)) in _mmc_sd_resume()
1757 mmc_power_up(host, host->card->ocr); in _mmc_sd_resume()
1758 err = mmc_sd_init_card(host, host->card->ocr, host->card); in _mmc_sd_resume()
1759 mmc_card_clr_suspended(host->card); in _mmc_sd_resume()
1771 pm_runtime_enable(&host->card->dev); in mmc_sd_resume()
1810 mmc_power_cycle(host, host->card->ocr); in mmc_sd_hw_reset()
1811 return mmc_sd_init_card(host, host->card->ocr, host->card); in mmc_sd_hw_reset()
1829 * Starting point for SD card init.
1866 * Can we support the voltage(s) of the card(s)? in mmc_attach_sd()
1874 * Detect and init the card. in mmc_attach_sd()
1881 err = mmc_add_card(host->card); in mmc_attach_sd()
1889 mmc_remove_card(host->card); in mmc_attach_sd()
1890 host->card = NULL; in mmc_attach_sd()
1895 pr_err("%s: error %d whilst initialising SD card\n", in mmc_attach_sd()