Lines Matching full:card
21 #include <linux/mmc/card.h>
26 #include "card.h"
64 struct mmc_card *card; member
71 void mmc_decode_cid(struct mmc_card *card) in mmc_decode_cid() argument
73 u32 *resp = card->raw_cid; in mmc_decode_cid()
76 * Add the raw card ID (cid) data to the entropy pool. It doesn't in mmc_decode_cid()
79 add_device_randomness(&card->raw_cid, sizeof(card->raw_cid)); in mmc_decode_cid()
85 card->cid.manfid = unstuff_bits(resp, 120, 8); in mmc_decode_cid()
86 card->cid.oemid = unstuff_bits(resp, 104, 16); in mmc_decode_cid()
87 card->cid.prod_name[0] = unstuff_bits(resp, 96, 8); in mmc_decode_cid()
88 card->cid.prod_name[1] = unstuff_bits(resp, 88, 8); in mmc_decode_cid()
89 card->cid.prod_name[2] = unstuff_bits(resp, 80, 8); in mmc_decode_cid()
90 card->cid.prod_name[3] = unstuff_bits(resp, 72, 8); in mmc_decode_cid()
91 card->cid.prod_name[4] = unstuff_bits(resp, 64, 8); in mmc_decode_cid()
92 card->cid.hwrev = unstuff_bits(resp, 60, 4); in mmc_decode_cid()
93 card->cid.fwrev = unstuff_bits(resp, 56, 4); in mmc_decode_cid()
94 card->cid.serial = unstuff_bits(resp, 24, 32); in mmc_decode_cid()
95 card->cid.year = unstuff_bits(resp, 12, 8); in mmc_decode_cid()
96 card->cid.month = unstuff_bits(resp, 8, 4); in mmc_decode_cid()
98 card->cid.year += 2000; /* SD cards year offset */ in mmc_decode_cid()
101 strim(card->cid.prod_name); in mmc_decode_cid()
105 * Given a 128-bit response, decode to our card CSD structure.
107 static int mmc_decode_csd(struct mmc_card *card, bool is_sduc) in mmc_decode_csd() argument
109 struct mmc_csd *csd = &card->csd; in mmc_decode_csd()
111 u32 *resp = card->raw_csd; in mmc_decode_csd()
148 mmc_card_set_readonly(card); in mmc_decode_csd()
153 * This is a block-addressed SDHC, SDXC or SDUC card. in mmc_decode_csd()
158 mmc_card_set_blockaddr(card); in mmc_decode_csd()
175 mmc_card_set_ult_capacity(card); in mmc_decode_csd()
177 mmc_card_set_ext_capacity(card); in mmc_decode_csd()
191 mmc_card_set_readonly(card); in mmc_decode_csd()
195 mmc_hostname(card->host), csd_struct); in mmc_decode_csd()
199 card->erase_size = csd->erase_size; in mmc_decode_csd()
205 * Given a 64-bit response, decode to our card SCR structure.
207 int mmc_decode_scr(struct mmc_card *card) in mmc_decode_scr() argument
209 struct sd_scr *scr = &card->scr; in mmc_decode_scr()
213 resp[3] = card->raw_scr[1]; in mmc_decode_scr()
214 resp[2] = card->raw_scr[0]; in mmc_decode_scr()
219 mmc_hostname(card->host), scr_struct); in mmc_decode_scr()
235 card->erased_byte = 0xFF; in mmc_decode_scr()
237 card->erased_byte = 0x0; in mmc_decode_scr()
244 /* SD Spec says: any SD Card shall set at least bits 0 and 2 */ in mmc_decode_scr()
247 pr_err("%s: invalid bus width\n", mmc_hostname(card->host)); in mmc_decode_scr()
257 static int mmc_read_ssr(struct mmc_card *card) in mmc_read_ssr() argument
265 if (!(card->csd.cmdclass & CCC_APP_SPEC)) { in mmc_read_ssr()
266 pr_warn("%s: card lacks mandatory SD Status function\n", in mmc_read_ssr()
267 mmc_hostname(card->host)); in mmc_read_ssr()
271 raw_ssr = kmalloc(sizeof(card->raw_ssr), GFP_KERNEL); in mmc_read_ssr()
275 if (mmc_app_sd_status(card, raw_ssr)) { in mmc_read_ssr()
277 mmc_hostname(card->host)); in mmc_read_ssr()
283 card->raw_ssr[i] = be32_to_cpu(raw_ssr[i]); in mmc_read_ssr()
291 au = unstuff_bits(card->raw_ssr, 428 - 384, 4); in mmc_read_ssr()
293 if (au <= 9 || card->scr.sda_spec3) { in mmc_read_ssr()
294 card->ssr.au = sd_au_size[au]; in mmc_read_ssr()
295 es = unstuff_bits(card->raw_ssr, 408 - 384, 16); in mmc_read_ssr()
296 et = unstuff_bits(card->raw_ssr, 402 - 384, 6); in mmc_read_ssr()
298 eo = unstuff_bits(card->raw_ssr, 400 - 384, 2); in mmc_read_ssr()
299 card->ssr.erase_timeout = (et * 1000) / es; in mmc_read_ssr()
300 card->ssr.erase_offset = eo * 1000; in mmc_read_ssr()
304 mmc_hostname(card->host)); in mmc_read_ssr()
311 resp[3] = card->raw_ssr[6]; in mmc_read_ssr()
313 card->erase_arg = (card->scr.sda_specx && discard_support) ? in mmc_read_ssr()
322 static int mmc_read_switch(struct mmc_card *card) in mmc_read_switch() argument
327 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_read_switch()
330 if (!(card->csd.cmdclass & CCC_SWITCH)) { in mmc_read_switch()
331 pr_warn("%s: card lacks mandatory switch function, performance might suffer\n", in mmc_read_switch()
332 mmc_hostname(card->host)); in mmc_read_switch()
341 * Find out the card's support bits with a mode 0 operation. in mmc_read_switch()
345 err = mmc_sd_switch(card, SD_SWITCH_CHECK, 0, 0, status); in mmc_read_switch()
348 * If the host or the card can't do the switch, in mmc_read_switch()
355 mmc_hostname(card->host)); in mmc_read_switch()
362 card->sw_caps.hs_max_dtr = HIGH_SPEED_MAX_DTR; in mmc_read_switch()
364 if (card->scr.sda_spec3) { in mmc_read_switch()
365 card->sw_caps.sd3_bus_mode = status[13]; in mmc_read_switch()
366 /* Driver Strengths supported by the card */ in mmc_read_switch()
367 card->sw_caps.sd3_drv_type = status[9]; in mmc_read_switch()
368 card->sw_caps.sd3_curr_limit = status[7] | status[6] << 8; in mmc_read_switch()
378 * Test if the card supports high-speed mode and, if so, switch to it.
380 int mmc_sd_switch_hs(struct mmc_card *card) in mmc_sd_switch_hs() argument
385 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_sd_switch_hs()
388 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_switch_hs()
391 if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED)) in mmc_sd_switch_hs()
394 if (card->sw_caps.hs_max_dtr == 0) in mmc_sd_switch_hs()
401 err = mmc_sd_switch(card, SD_SWITCH_SET, 0, in mmc_sd_switch_hs()
407 pr_warn("%s: Problem switching card into high-speed mode!\n", in mmc_sd_switch_hs()
408 mmc_hostname(card->host)); in mmc_sd_switch_hs()
420 static int sd_select_driver_type(struct mmc_card *card, u8 *status) in sd_select_driver_type() argument
425 card->drive_strength = 0; in sd_select_driver_type()
427 card_drv_type = card->sw_caps.sd3_drv_type | SD_DRIVER_TYPE_B; in sd_select_driver_type()
429 drive_strength = mmc_select_drive_strength(card, in sd_select_driver_type()
430 card->sw_caps.uhs_max_dtr, in sd_select_driver_type()
434 err = mmc_sd_switch(card, SD_SWITCH_SET, 2, in sd_select_driver_type()
440 mmc_hostname(card->host)); in sd_select_driver_type()
443 card->drive_strength = drive_strength; in sd_select_driver_type()
447 mmc_set_driver_type(card->host, drv_type); in sd_select_driver_type()
452 static void sd_update_bus_speed_mode(struct mmc_card *card) in sd_update_bus_speed_mode() argument
458 if (!mmc_host_uhs(card->host)) { in sd_update_bus_speed_mode()
459 card->sd_bus_speed = 0; in sd_update_bus_speed_mode()
463 if ((card->host->caps & MMC_CAP_UHS_SDR104) && in sd_update_bus_speed_mode()
464 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) { in sd_update_bus_speed_mode()
465 card->sd_bus_speed = UHS_SDR104_BUS_SPEED; in sd_update_bus_speed_mode()
466 } else if ((card->host->caps & MMC_CAP_UHS_DDR50) && in sd_update_bus_speed_mode()
467 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) { in sd_update_bus_speed_mode()
468 card->sd_bus_speed = UHS_DDR50_BUS_SPEED; in sd_update_bus_speed_mode()
469 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
470 MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
472 card->sd_bus_speed = UHS_SDR50_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 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) { in sd_update_bus_speed_mode()
476 card->sd_bus_speed = UHS_SDR25_BUS_SPEED; in sd_update_bus_speed_mode()
477 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
479 MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
481 card->sd_bus_speed = UHS_SDR12_BUS_SPEED; in sd_update_bus_speed_mode()
485 static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status) in sd_set_bus_speed_mode() argument
490 switch (card->sd_bus_speed) { in sd_set_bus_speed_mode()
493 card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR; in sd_set_bus_speed_mode()
497 card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR; in sd_set_bus_speed_mode()
501 card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR; in sd_set_bus_speed_mode()
505 card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR; in sd_set_bus_speed_mode()
509 card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR; in sd_set_bus_speed_mode()
515 err = mmc_sd_switch(card, SD_SWITCH_SET, 0, card->sd_bus_speed, status); in sd_set_bus_speed_mode()
519 if ((status[16] & 0xF) != card->sd_bus_speed) in sd_set_bus_speed_mode()
521 mmc_hostname(card->host)); in sd_set_bus_speed_mode()
523 mmc_set_timing(card->host, timing); in sd_set_bus_speed_mode()
524 mmc_set_clock(card->host, card->sw_caps.uhs_max_dtr); in sd_set_bus_speed_mode()
555 static int sd_set_current_limit(struct mmc_card *card, u8 *status) in sd_set_current_limit() argument
566 if ((card->sd_bus_speed != UHS_SDR50_BUS_SPEED) && in sd_set_current_limit()
567 (card->sd_bus_speed != UHS_SDR104_BUS_SPEED) && in sd_set_current_limit()
568 (card->sd_bus_speed != UHS_DDR50_BUS_SPEED)) in sd_set_current_limit()
575 max_current = sd_get_host_max_current(card->host); in sd_set_current_limit()
579 * higher than the card's maximum current, the card will be using its in sd_set_current_limit()
580 * maximum current, e.g. if the card's maximum current is 300ma, and in sd_set_current_limit()
581 * when we set current limit to 200ma, the card will draw 200ma, and in sd_set_current_limit()
582 * when we set current limit to 400/600/800ma, the card will draw its in sd_set_current_limit()
586 * not supported by the card, the card can rightfully error out the in sd_set_current_limit()
588 * in a 300mA card being limited to 200mA even though the host in sd_set_current_limit()
593 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_800) in sd_set_current_limit()
596 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_600) in sd_set_current_limit()
599 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_400) in sd_set_current_limit()
602 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_200) in sd_set_current_limit()
606 err = mmc_sd_switch(card, SD_SWITCH_SET, 3, in sd_set_current_limit()
613 mmc_hostname(card->host)); in sd_set_current_limit()
623 static int mmc_sd_init_uhs_card(struct mmc_card *card) in mmc_sd_init_uhs_card() argument
628 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_init_uhs_card()
636 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
640 mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
644 * and card capability. in mmc_sd_init_uhs_card()
646 sd_update_bus_speed_mode(card); in mmc_sd_init_uhs_card()
648 /* Set the driver strength for the card */ in mmc_sd_init_uhs_card()
649 err = sd_select_driver_type(card, status); in mmc_sd_init_uhs_card()
653 /* Set current limit for the card */ in mmc_sd_init_uhs_card()
654 err = sd_set_current_limit(card, status); in mmc_sd_init_uhs_card()
658 /* Set bus speed mode of the card */ in mmc_sd_init_uhs_card()
659 err = sd_set_bus_speed_mode(card, status); in mmc_sd_init_uhs_card()
667 if (!mmc_host_is_spi(card->host) && in mmc_sd_init_uhs_card()
668 (card->host->ios.timing == MMC_TIMING_UHS_SDR50 || in mmc_sd_init_uhs_card()
669 card->host->ios.timing == MMC_TIMING_UHS_DDR50 || in mmc_sd_init_uhs_card()
670 card->host->ios.timing == MMC_TIMING_UHS_SDR104)) { in mmc_sd_init_uhs_card()
671 err = mmc_execute_tuning(card); in mmc_sd_init_uhs_card()
680 if (err && card->host->ios.timing == MMC_TIMING_UHS_DDR50) { in mmc_sd_init_uhs_card()
682 mmc_hostname(card->host)); in mmc_sd_init_uhs_card()
693 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
694 card->raw_cid[2], card->raw_cid[3]);
695 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
696 card->raw_csd[2], card->raw_csd[3]);
697 MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
700 card->raw_ssr[0], card->raw_ssr[1], card->raw_ssr[2],
701 card->raw_ssr[3], card->raw_ssr[4], card->raw_ssr[5],
702 card->raw_ssr[6], card->raw_ssr[7], card->raw_ssr[8],
703 card->raw_ssr[9], card->raw_ssr[10], card->raw_ssr[11],
704 card->raw_ssr[12], card->raw_ssr[13], card->raw_ssr[14],
705 card->raw_ssr[15]);
706 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
707 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
708 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
709 MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
710 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
711 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
712 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
713 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
714 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
715 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
716 MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
722 struct mmc_card *card = mmc_dev_to_card(dev); in mmc_dsr_show() local
723 struct mmc_host *host = card->host; in mmc_dsr_show()
725 if (card->csd.dsr_imp && host->dsr_req) in mmc_dsr_show()
733 MMC_DEV_ATTR(vendor, "0x%04x\n", card->cis.vendor);
734 MMC_DEV_ATTR(device, "0x%04x\n", card->cis.device);
735 MMC_DEV_ATTR(revision, "%u.%u\n", card->major_rev, card->minor_rev);
740 struct mmc_card *card = mmc_dev_to_card(dev); \
742 if (num > card->num_info) \
744 if (!card->info[num - 1][0]) \
746 return sysfs_emit(buf, "%s\n", card->info[num - 1]); \
786 struct mmc_card *card = mmc_dev_to_card(dev); in sd_std_is_visible() local
796 ) &&!mmc_card_sd_combo(card)) in sd_std_is_visible()
813 * Fetch CID from card.
838 * compliant card and we should set bit 30 in mmc_sd_get_cid()
845 /* Set HO2T as well - SDUC card won't respond otherwise */ in mmc_sd_get_cid()
850 * If the host supports one of UHS-I modes, request the card in mmc_sd_get_cid()
851 * to switch to 1.8V signaling level. If the card has failed in mmc_sd_get_cid()
892 int mmc_sd_get_csd(struct mmc_card *card, bool is_sduc) in mmc_sd_get_csd() argument
897 * Fetch CSD from card. in mmc_sd_get_csd()
899 err = mmc_send_csd(card, card->raw_csd); in mmc_sd_get_csd()
903 err = mmc_decode_csd(card, is_sduc); in mmc_sd_get_csd()
916 * E.g. because they only have micro-SD card slot. For those systems in mmc_sd_get_ro()
917 * assume that the SD card is always read-write. in mmc_sd_get_ro()
930 int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card, in mmc_sd_setup_card() argument
937 * Fetch SCR from card. in mmc_sd_setup_card()
939 err = mmc_app_send_scr(card); in mmc_sd_setup_card()
943 err = mmc_decode_scr(card); in mmc_sd_setup_card()
950 err = mmc_read_ssr(card); in mmc_sd_setup_card()
955 mmc_init_erase(card); in mmc_sd_setup_card()
959 * Fetch switch information from card. Note, sd3_bus_mode can change if in mmc_sd_setup_card()
962 err = mmc_read_switch(card); in mmc_sd_setup_card()
969 * card registers because some SDHC cards are not able in mmc_sd_setup_card()
988 mmc_card_set_readonly(card); in mmc_sd_setup_card()
995 unsigned mmc_sd_get_max_clock(struct mmc_card *card) in mmc_sd_get_max_clock() argument
999 if (mmc_card_hs(card)) { in mmc_sd_get_max_clock()
1000 if (max_dtr > card->sw_caps.hs_max_dtr) in mmc_sd_get_max_clock()
1001 max_dtr = card->sw_caps.hs_max_dtr; in mmc_sd_get_max_clock()
1002 } else if (max_dtr > card->csd.max_dtr) { in mmc_sd_get_max_clock()
1003 max_dtr = card->csd.max_dtr; in mmc_sd_get_max_clock()
1009 static bool mmc_sd_card_using_v18(struct mmc_card *card) in mmc_sd_card_using_v18() argument
1013 * 2 to 4 are zero if the card is initialized at 3.3V signal level. Thus in mmc_sd_card_using_v18()
1014 * they can be used to determine if the card has already switched to in mmc_sd_card_using_v18()
1017 return card->sw_caps.sd3_bus_mode & in mmc_sd_card_using_v18()
1021 static int sd_write_ext_reg(struct mmc_card *card, u8 fno, u8 page, u16 offset, in sd_write_ext_reg() argument
1024 struct mmc_host *host = card->host; in sd_write_ext_reg()
1062 mmc_set_data_timeout(&data, card); in sd_write_ext_reg()
1068 * Note that, the SD card is allowed to signal busy on DAT0 up to 1s in sd_write_ext_reg()
1081 static int sd_read_ext_reg(struct mmc_card *card, u8 fno, u8 page, in sd_read_ext_reg() argument
1097 return mmc_send_adtc_data(card, card->host, SD_READ_EXTR_SINGLE, in sd_read_ext_reg()
1101 static int sd_parse_ext_reg_power(struct mmc_card *card, u8 fno, u8 page, in sd_parse_ext_reg_power() argument
1112 err = sd_read_ext_reg(card, fno, page, offset, 512, reg_buf); in sd_parse_ext_reg_power()
1115 mmc_hostname(card->host), err); in sd_parse_ext_reg_power()
1120 card->ext_power.rev = reg_buf[0] & 0xf; in sd_parse_ext_reg_power()
1123 if ((reg_buf[1] & BIT(4)) && !mmc_card_broken_sd_poweroff_notify(card)) in sd_parse_ext_reg_power()
1124 card->ext_power.feature_support |= SD_EXT_POWER_OFF_NOTIFY; in sd_parse_ext_reg_power()
1128 card->ext_power.feature_support |= SD_EXT_POWER_SUSTENANCE; in sd_parse_ext_reg_power()
1132 card->ext_power.feature_support |= SD_EXT_POWER_DOWN_MODE; in sd_parse_ext_reg_power()
1134 card->ext_power.fno = fno; in sd_parse_ext_reg_power()
1135 card->ext_power.page = page; in sd_parse_ext_reg_power()
1136 card->ext_power.offset = offset; in sd_parse_ext_reg_power()
1143 static int sd_parse_ext_reg_perf(struct mmc_card *card, u8 fno, u8 page, in sd_parse_ext_reg_perf() argument
1153 err = sd_read_ext_reg(card, fno, page, offset, 512, reg_buf); in sd_parse_ext_reg_perf()
1156 mmc_hostname(card->host), err); in sd_parse_ext_reg_perf()
1161 card->ext_perf.rev = reg_buf[0]; in sd_parse_ext_reg_perf()
1165 card->ext_perf.feature_support |= SD_EXT_PERF_FX_EVENT; in sd_parse_ext_reg_perf()
1167 /* Card initiated self-maintenance support at bit 0. */ in sd_parse_ext_reg_perf()
1169 card->ext_perf.feature_support |= SD_EXT_PERF_CARD_MAINT; in sd_parse_ext_reg_perf()
1173 card->ext_perf.feature_support |= SD_EXT_PERF_HOST_MAINT; in sd_parse_ext_reg_perf()
1176 if ((reg_buf[4] & BIT(0)) && !mmc_card_broken_sd_cache(card)) in sd_parse_ext_reg_perf()
1177 card->ext_perf.feature_support |= SD_EXT_PERF_CACHE; in sd_parse_ext_reg_perf()
1181 card->ext_perf.feature_support |= SD_EXT_PERF_CMD_QUEUE; in sd_parse_ext_reg_perf()
1183 card->ext_perf.fno = fno; in sd_parse_ext_reg_perf()
1184 card->ext_perf.page = page; in sd_parse_ext_reg_perf()
1185 card->ext_perf.offset = offset; in sd_parse_ext_reg_perf()
1192 static int sd_parse_ext_reg(struct mmc_card *card, u8 *gen_info_buf, in sd_parse_ext_reg() argument
1234 return sd_parse_ext_reg_power(card, fno, page, offset); in sd_parse_ext_reg()
1238 return sd_parse_ext_reg_perf(card, fno, page, offset); in sd_parse_ext_reg()
1243 static int sd_read_ext_regs(struct mmc_card *card) in sd_read_ext_regs() argument
1249 if (mmc_host_is_spi(card->host)) in sd_read_ext_regs()
1252 if (!(card->scr.cmds & SD_SCR_CMD48_SUPPORT)) in sd_read_ext_regs()
1263 err = sd_read_ext_reg(card, 0, 0, 0, 512, gen_info_buf); in sd_read_ext_regs()
1266 mmc_hostname(card->host), err); in sd_read_ext_regs()
1282 * card, even if we can't support the features from the SD function in sd_read_ext_regs()
1287 mmc_hostname(card->host)); in sd_read_ext_regs()
1297 err = sd_parse_ext_reg(card, gen_info_buf, &next_ext_addr); in sd_read_ext_regs()
1300 mmc_hostname(card->host), err); in sd_read_ext_regs()
1312 return host->card->ext_perf.feature_enabled & SD_EXT_PERF_CACHE; in sd_cache_enabled()
1317 struct mmc_card *card = host->card; in sd_flush_cache() local
1333 fno = card->ext_perf.fno; in sd_flush_cache()
1334 page = card->ext_perf.page; in sd_flush_cache()
1335 offset = card->ext_perf.offset + 261; in sd_flush_cache()
1337 err = sd_write_ext_reg(card, fno, page, offset, BIT(0)); in sd_flush_cache()
1344 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_flush_cache()
1350 * Read the Flush Cache bit. The card shall reset it, to confirm that in sd_flush_cache()
1353 err = sd_read_ext_reg(card, fno, page, offset, 1, reg_buf); in sd_flush_cache()
1367 static int sd_enable_cache(struct mmc_card *card) in sd_enable_cache() argument
1372 card->ext_perf.feature_enabled &= ~SD_EXT_PERF_CACHE; in sd_enable_cache()
1382 err = sd_write_ext_reg(card, card->ext_perf.fno, card->ext_perf.page, in sd_enable_cache()
1383 card->ext_perf.offset + 260, BIT(0)); in sd_enable_cache()
1386 mmc_hostname(card->host), err); in sd_enable_cache()
1390 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_enable_cache()
1393 card->ext_perf.feature_enabled |= SD_EXT_PERF_CACHE; in sd_enable_cache()
1401 * Handle the detection and initialisation of a card.
1403 * In the case of a resume, "oldcard" will contain the card
1409 struct mmc_card *card; in mmc_sd_init_card() local
1423 pr_debug("%s: Perhaps the card was replaced\n", in mmc_sd_init_card()
1428 card = oldcard; in mmc_sd_init_card()
1431 * Allocate card structure. in mmc_sd_init_card()
1433 card = mmc_alloc_card(host, &sd_type); in mmc_sd_init_card()
1434 if (IS_ERR(card)) in mmc_sd_init_card()
1435 return PTR_ERR(card); in mmc_sd_init_card()
1437 card->ocr = ocr; in mmc_sd_init_card()
1438 card->type = MMC_TYPE_SD; in mmc_sd_init_card()
1439 memcpy(card->raw_cid, cid, sizeof(card->raw_cid)); in mmc_sd_init_card()
1446 host->ops->init_card(host, card); in mmc_sd_init_card()
1449 * For native busses: get card RCA and quit open drain mode. in mmc_sd_init_card()
1452 err = mmc_send_relative_addr(host, &card->rca); in mmc_sd_init_card()
1461 err = mmc_sd_get_csd(card, is_sduc); in mmc_sd_init_card()
1465 mmc_decode_cid(card); in mmc_sd_init_card()
1472 if (card->csd.dsr_imp && host->dsr_req) in mmc_sd_init_card()
1476 * Select card, as all following commands rely on that. in mmc_sd_init_card()
1479 err = mmc_select_card(card); in mmc_sd_init_card()
1484 /* Apply quirks prior to card setup */ in mmc_sd_init_card()
1485 mmc_fixup_device(card, mmc_sd_fixups); in mmc_sd_init_card()
1487 err = mmc_sd_setup_card(host, card, oldcard != NULL); in mmc_sd_init_card()
1492 * If the card has not been power cycled, it may still be using 1.8V in mmc_sd_init_card()
1497 mmc_sd_card_using_v18(card) && in mmc_sd_init_card()
1500 mmc_sd_init_uhs_card(card)) { in mmc_sd_init_card()
1504 mmc_remove_card(card); in mmc_sd_init_card()
1512 err = mmc_sd_init_uhs_card(card); in mmc_sd_init_card()
1519 err = mmc_sd_switch_hs(card); in mmc_sd_init_card()
1521 mmc_set_timing(card->host, MMC_TIMING_SD_HS); in mmc_sd_init_card()
1528 mmc_set_clock(host, mmc_sd_get_max_clock(card)); in mmc_sd_init_card()
1532 err = host->ops->prepare_sd_hs_tuning(host, card); in mmc_sd_init_card()
1541 (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) { in mmc_sd_init_card()
1542 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_card()
1551 err = host->ops->execute_sd_hs_tuning(host, card); in mmc_sd_init_card()
1559 err = sd_read_ext_regs(card); in mmc_sd_init_card()
1565 if (card->ext_perf.feature_support & SD_EXT_PERF_CACHE) { in mmc_sd_init_card()
1566 err = sd_enable_cache(card); in mmc_sd_init_card()
1571 if (!mmc_card_ult_capacity(card) && host->cqe_ops && !host->cqe_enabled) { in mmc_sd_init_card()
1572 err = host->cqe_ops->cqe_enable(host, card); in mmc_sd_init_card()
1589 host->card = card; in mmc_sd_init_card()
1594 mmc_remove_card(card); in mmc_sd_init_card()
1600 * Host is being removed. Free up the current card.
1604 mmc_remove_card(host->card); in mmc_sd_remove()
1605 host->card = NULL; in mmc_sd_remove()
1609 * Card detection - card is alive.
1613 return mmc_send_status(host->card, NULL); in mmc_sd_alive()
1617 * Card detection callback from host.
1623 mmc_get_card(host->card, NULL); in mmc_sd_detect()
1626 * Just check if our card has been removed. in mmc_sd_detect()
1630 mmc_put_card(host->card, NULL); in mmc_sd_detect()
1642 static int sd_can_poweroff_notify(struct mmc_card *card) in sd_can_poweroff_notify() argument
1644 return card->ext_power.feature_support & SD_EXT_POWER_OFF_NOTIFY; in sd_can_poweroff_notify()
1650 struct mmc_card *card = data->card; in sd_busy_poweroff_notify_cb() local
1658 err = sd_read_ext_reg(card, card->ext_power.fno, card->ext_power.page, in sd_busy_poweroff_notify_cb()
1659 card->ext_power.offset + 1, 1, data->reg_buf); in sd_busy_poweroff_notify_cb()
1662 mmc_hostname(card->host), err); in sd_busy_poweroff_notify_cb()
1670 static int sd_poweroff_notify(struct mmc_card *card) in sd_poweroff_notify() argument
1684 err = sd_write_ext_reg(card, card->ext_power.fno, card->ext_power.page, in sd_poweroff_notify()
1685 card->ext_power.offset + 2, BIT(0)); in sd_poweroff_notify()
1688 mmc_hostname(card->host), err); in sd_poweroff_notify()
1693 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_poweroff_notify()
1698 cb_data.card = card; in sd_poweroff_notify()
1700 err = __mmc_poll_for_busy(card->host, 0, SD_POWEROFF_NOTIFY_TIMEOUT_MS, in sd_poweroff_notify()
1710 struct mmc_card *card = host->card; in _mmc_sd_suspend() local
1715 if (mmc_card_suspended(card)) in _mmc_sd_suspend()
1718 if (sd_can_poweroff_notify(card)) in _mmc_sd_suspend()
1719 err = sd_poweroff_notify(card); in _mmc_sd_suspend()
1725 mmc_card_set_suspended(card); in _mmc_sd_suspend()
1742 pm_runtime_disable(&host->card->dev); in mmc_sd_suspend()
1743 pm_runtime_set_suspended(&host->card->dev); in mmc_sd_suspend()
1750 * This function tries to determine if the same card is still present
1759 if (!mmc_card_suspended(host->card)) in _mmc_sd_resume()
1762 mmc_power_up(host, host->card->ocr); in _mmc_sd_resume()
1763 err = mmc_sd_init_card(host, host->card->ocr, host->card); in _mmc_sd_resume()
1764 mmc_card_clr_suspended(host->card); in _mmc_sd_resume()
1776 pm_runtime_enable(&host->card->dev); in mmc_sd_resume()
1815 mmc_power_cycle(host, host->card->ocr); in mmc_sd_hw_reset()
1816 return mmc_sd_init_card(host, host->card->ocr, host->card); in mmc_sd_hw_reset()
1834 * Starting point for SD card init.
1871 * Can we support the voltage(s) of the card(s)? in mmc_attach_sd()
1879 * Detect and init the card. in mmc_attach_sd()
1886 err = mmc_add_card(host->card); in mmc_attach_sd()
1894 mmc_remove_card(host->card); in mmc_attach_sd()
1895 host->card = NULL; in mmc_attach_sd()
1900 pr_err("%s: error %d whilst initialising SD card\n", in mmc_attach_sd()