Lines Matching full:card
17 #include <linux/mmc/card.h>
22 #include "card.h"
73 struct mmc_card *card; member
80 void mmc_decode_cid(struct mmc_card *card) in mmc_decode_cid() argument
82 u32 *resp = card->raw_cid; in mmc_decode_cid()
88 card->cid.manfid = UNSTUFF_BITS(resp, 120, 8); in mmc_decode_cid()
89 card->cid.oemid = UNSTUFF_BITS(resp, 104, 16); in mmc_decode_cid()
90 card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8); in mmc_decode_cid()
91 card->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8); in mmc_decode_cid()
92 card->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8); in mmc_decode_cid()
93 card->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8); in mmc_decode_cid()
94 card->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8); in mmc_decode_cid()
95 card->cid.hwrev = UNSTUFF_BITS(resp, 60, 4); in mmc_decode_cid()
96 card->cid.fwrev = UNSTUFF_BITS(resp, 56, 4); in mmc_decode_cid()
97 card->cid.serial = UNSTUFF_BITS(resp, 24, 32); in mmc_decode_cid()
98 card->cid.year = UNSTUFF_BITS(resp, 12, 8); in mmc_decode_cid()
99 card->cid.month = UNSTUFF_BITS(resp, 8, 4); in mmc_decode_cid()
101 card->cid.year += 2000; /* SD cards year offset */ 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) 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()
152 * This is a block-addressed SDHC or SDXC card. Most in mmc_decode_csd()
157 mmc_card_set_blockaddr(card); in mmc_decode_csd()
170 mmc_card_set_ext_capacity(card); in mmc_decode_csd()
185 mmc_card_set_readonly(card); in mmc_decode_csd()
189 mmc_hostname(card->host), csd_struct); in mmc_decode_csd()
193 card->erase_size = csd->erase_size; in mmc_decode_csd()
199 * Given a 64-bit response, decode to our card SCR structure.
201 static int mmc_decode_scr(struct mmc_card *card) in mmc_decode_scr() argument
203 struct sd_scr *scr = &card->scr; in mmc_decode_scr()
207 resp[3] = card->raw_scr[1]; in mmc_decode_scr()
208 resp[2] = card->raw_scr[0]; in mmc_decode_scr()
213 mmc_hostname(card->host), scr_struct); in mmc_decode_scr()
229 card->erased_byte = 0xFF; in mmc_decode_scr()
231 card->erased_byte = 0x0; in mmc_decode_scr()
238 /* SD Spec says: any SD Card shall set at least bits 0 and 2 */ in mmc_decode_scr()
241 pr_err("%s: invalid bus width\n", mmc_hostname(card->host)); in mmc_decode_scr()
251 static int mmc_read_ssr(struct mmc_card *card) in mmc_read_ssr() argument
259 if (!(card->csd.cmdclass & CCC_APP_SPEC)) { in mmc_read_ssr()
260 pr_warn("%s: card lacks mandatory SD Status function\n", in mmc_read_ssr()
261 mmc_hostname(card->host)); in mmc_read_ssr()
265 raw_ssr = kmalloc(sizeof(card->raw_ssr), GFP_KERNEL); in mmc_read_ssr()
269 if (mmc_app_sd_status(card, raw_ssr)) { in mmc_read_ssr()
271 mmc_hostname(card->host)); in mmc_read_ssr()
277 card->raw_ssr[i] = be32_to_cpu(raw_ssr[i]); in mmc_read_ssr()
285 au = UNSTUFF_BITS(card->raw_ssr, 428 - 384, 4); in mmc_read_ssr()
287 if (au <= 9 || card->scr.sda_spec3) { in mmc_read_ssr()
288 card->ssr.au = sd_au_size[au]; in mmc_read_ssr()
289 es = UNSTUFF_BITS(card->raw_ssr, 408 - 384, 16); in mmc_read_ssr()
290 et = UNSTUFF_BITS(card->raw_ssr, 402 - 384, 6); in mmc_read_ssr()
292 eo = UNSTUFF_BITS(card->raw_ssr, 400 - 384, 2); in mmc_read_ssr()
293 card->ssr.erase_timeout = (et * 1000) / es; in mmc_read_ssr()
294 card->ssr.erase_offset = eo * 1000; in mmc_read_ssr()
298 mmc_hostname(card->host)); in mmc_read_ssr()
305 resp[3] = card->raw_ssr[6]; in mmc_read_ssr()
307 card->erase_arg = (card->scr.sda_specx && discard_support) ? in mmc_read_ssr()
316 static int mmc_read_switch(struct mmc_card *card) in mmc_read_switch() argument
321 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_read_switch()
324 if (!(card->csd.cmdclass & CCC_SWITCH)) { in mmc_read_switch()
325 pr_warn("%s: card lacks mandatory switch function, performance might suffer\n", in mmc_read_switch()
326 mmc_hostname(card->host)); in mmc_read_switch()
335 * Find out the card's support bits with a mode 0 operation. in mmc_read_switch()
339 err = mmc_sd_switch(card, 0, 0, 0, status); in mmc_read_switch()
342 * If the host or the card can't do the switch, in mmc_read_switch()
349 mmc_hostname(card->host)); in mmc_read_switch()
356 card->sw_caps.hs_max_dtr = HIGH_SPEED_MAX_DTR; in mmc_read_switch()
358 if (card->scr.sda_spec3) { in mmc_read_switch()
359 card->sw_caps.sd3_bus_mode = status[13]; in mmc_read_switch()
360 /* Driver Strengths supported by the card */ in mmc_read_switch()
361 card->sw_caps.sd3_drv_type = status[9]; in mmc_read_switch()
362 card->sw_caps.sd3_curr_limit = status[7] | status[6] << 8; in mmc_read_switch()
372 * Test if the card supports high-speed mode and, if so, switch to it.
374 int mmc_sd_switch_hs(struct mmc_card *card) in mmc_sd_switch_hs() argument
379 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_sd_switch_hs()
382 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_switch_hs()
385 if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED)) in mmc_sd_switch_hs()
388 if (card->sw_caps.hs_max_dtr == 0) in mmc_sd_switch_hs()
395 err = mmc_sd_switch(card, 1, 0, HIGH_SPEED_BUS_SPEED, status); in mmc_sd_switch_hs()
400 pr_warn("%s: Problem switching card into high-speed mode!\n", in mmc_sd_switch_hs()
401 mmc_hostname(card->host)); in mmc_sd_switch_hs()
413 static int sd_select_driver_type(struct mmc_card *card, u8 *status) in sd_select_driver_type() argument
418 card->drive_strength = 0; in sd_select_driver_type()
420 card_drv_type = card->sw_caps.sd3_drv_type | SD_DRIVER_TYPE_B; in sd_select_driver_type()
422 drive_strength = mmc_select_drive_strength(card, in sd_select_driver_type()
423 card->sw_caps.uhs_max_dtr, in sd_select_driver_type()
427 err = mmc_sd_switch(card, 1, 2, drive_strength, status); in sd_select_driver_type()
432 mmc_hostname(card->host)); in sd_select_driver_type()
435 card->drive_strength = drive_strength; in sd_select_driver_type()
439 mmc_set_driver_type(card->host, drv_type); in sd_select_driver_type()
444 static void sd_update_bus_speed_mode(struct mmc_card *card) in sd_update_bus_speed_mode() argument
450 if (!mmc_host_uhs(card->host)) { in sd_update_bus_speed_mode()
451 card->sd_bus_speed = 0; in sd_update_bus_speed_mode()
455 if ((card->host->caps & MMC_CAP_UHS_SDR104) && in sd_update_bus_speed_mode()
456 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) { in sd_update_bus_speed_mode()
457 card->sd_bus_speed = UHS_SDR104_BUS_SPEED; in sd_update_bus_speed_mode()
458 } else if ((card->host->caps & MMC_CAP_UHS_DDR50) && in sd_update_bus_speed_mode()
459 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) { in sd_update_bus_speed_mode()
460 card->sd_bus_speed = UHS_DDR50_BUS_SPEED; in sd_update_bus_speed_mode()
461 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
462 MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
464 card->sd_bus_speed = UHS_SDR50_BUS_SPEED; in sd_update_bus_speed_mode()
465 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
467 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) { in sd_update_bus_speed_mode()
468 card->sd_bus_speed = UHS_SDR25_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 MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
473 card->sd_bus_speed = UHS_SDR12_BUS_SPEED; in sd_update_bus_speed_mode()
477 static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status) in sd_set_bus_speed_mode() argument
482 switch (card->sd_bus_speed) { in sd_set_bus_speed_mode()
485 card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR; in sd_set_bus_speed_mode()
489 card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR; in sd_set_bus_speed_mode()
493 card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR; in sd_set_bus_speed_mode()
497 card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR; in sd_set_bus_speed_mode()
501 card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR; in sd_set_bus_speed_mode()
507 err = mmc_sd_switch(card, 1, 0, card->sd_bus_speed, status); in sd_set_bus_speed_mode()
511 if ((status[16] & 0xF) != card->sd_bus_speed) in sd_set_bus_speed_mode()
513 mmc_hostname(card->host)); in sd_set_bus_speed_mode()
515 mmc_set_timing(card->host, timing); in sd_set_bus_speed_mode()
516 mmc_set_clock(card->host, card->sw_caps.uhs_max_dtr); in sd_set_bus_speed_mode()
547 static int sd_set_current_limit(struct mmc_card *card, u8 *status) in sd_set_current_limit() argument
558 if ((card->sd_bus_speed != UHS_SDR50_BUS_SPEED) && in sd_set_current_limit()
559 (card->sd_bus_speed != UHS_SDR104_BUS_SPEED) && in sd_set_current_limit()
560 (card->sd_bus_speed != UHS_DDR50_BUS_SPEED)) in sd_set_current_limit()
567 max_current = sd_get_host_max_current(card->host); in sd_set_current_limit()
571 * higher than the card's maximum current, the card will be using its in sd_set_current_limit()
572 * maximum current, e.g. if the card's maximum current is 300ma, and in sd_set_current_limit()
573 * when we set current limit to 200ma, the card will draw 200ma, and in sd_set_current_limit()
574 * when we set current limit to 400/600/800ma, the card will draw its in sd_set_current_limit()
578 * not supported by the card, the card can rightfully error out the in sd_set_current_limit()
580 * in a 300mA card being limited to 200mA even though the host in sd_set_current_limit()
585 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_800) in sd_set_current_limit()
588 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_600) in sd_set_current_limit()
591 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_400) in sd_set_current_limit()
594 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_200) in sd_set_current_limit()
598 err = mmc_sd_switch(card, 1, 3, current_limit, status); in sd_set_current_limit()
604 mmc_hostname(card->host)); in sd_set_current_limit()
614 static int mmc_sd_init_uhs_card(struct mmc_card *card) in mmc_sd_init_uhs_card() argument
619 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_init_uhs_card()
627 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
631 mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
635 * and card capability. in mmc_sd_init_uhs_card()
637 sd_update_bus_speed_mode(card); in mmc_sd_init_uhs_card()
639 /* Set the driver strength for the card */ in mmc_sd_init_uhs_card()
640 err = sd_select_driver_type(card, status); in mmc_sd_init_uhs_card()
644 /* Set current limit for the card */ in mmc_sd_init_uhs_card()
645 err = sd_set_current_limit(card, status); in mmc_sd_init_uhs_card()
649 /* Set bus speed mode of the card */ in mmc_sd_init_uhs_card()
650 err = sd_set_bus_speed_mode(card, status); in mmc_sd_init_uhs_card()
658 if (!mmc_host_is_spi(card->host) && in mmc_sd_init_uhs_card()
659 (card->host->ios.timing == MMC_TIMING_UHS_SDR50 || in mmc_sd_init_uhs_card()
660 card->host->ios.timing == MMC_TIMING_UHS_DDR50 || in mmc_sd_init_uhs_card()
661 card->host->ios.timing == MMC_TIMING_UHS_SDR104)) { in mmc_sd_init_uhs_card()
662 err = mmc_execute_tuning(card); in mmc_sd_init_uhs_card()
671 if (err && card->host->ios.timing == MMC_TIMING_UHS_DDR50) { in mmc_sd_init_uhs_card()
673 mmc_hostname(card->host)); in mmc_sd_init_uhs_card()
684 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
685 card->raw_cid[2], card->raw_cid[3]);
686 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
687 card->raw_csd[2], card->raw_csd[3]);
688 MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
691 card->raw_ssr[0], card->raw_ssr[1], card->raw_ssr[2],
692 card->raw_ssr[3], card->raw_ssr[4], card->raw_ssr[5],
693 card->raw_ssr[6], card->raw_ssr[7], card->raw_ssr[8],
694 card->raw_ssr[9], card->raw_ssr[10], card->raw_ssr[11],
695 card->raw_ssr[12], card->raw_ssr[13], card->raw_ssr[14],
696 card->raw_ssr[15]);
697 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
698 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
699 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
700 MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
701 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
702 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
703 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
704 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
705 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
706 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
707 MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
714 struct mmc_card *card = mmc_dev_to_card(dev); in mmc_dsr_show() local
715 struct mmc_host *host = card->host; in mmc_dsr_show()
717 if (card->csd.dsr_imp && host->dsr_req) in mmc_dsr_show()
726 MMC_DEV_ATTR(vendor, "0x%04x\n", card->cis.vendor);
727 MMC_DEV_ATTR(device, "0x%04x\n", card->cis.device);
728 MMC_DEV_ATTR(revision, "%u.%u\n", card->major_rev, card->minor_rev);
733 struct mmc_card *card = mmc_dev_to_card(dev); \
735 if (num > card->num_info) \
737 if (!card->info[num-1][0]) \
739 return sprintf(buf, "%s\n", card->info[num-1]); \
779 struct mmc_card *card = mmc_dev_to_card(dev); in sd_std_is_visible() local
789 ) && card->type != MMC_TYPE_SD_COMBO) in sd_std_is_visible()
806 * Fetch CID from card.
831 * compliant card and we should set bit 30 in mmc_sd_get_cid()
840 * If the host supports one of UHS-I modes, request the card in mmc_sd_get_cid()
841 * to switch to 1.8V signaling level. If the card has failed in mmc_sd_get_cid()
881 int mmc_sd_get_csd(struct mmc_card *card) in mmc_sd_get_csd() argument
886 * Fetch CSD from card. in mmc_sd_get_csd()
888 err = mmc_send_csd(card, card->raw_csd); in mmc_sd_get_csd()
892 err = mmc_decode_csd(card); in mmc_sd_get_csd()
905 * E.g. because they only have micro-SD card slot. For those systems in mmc_sd_get_ro()
906 * assume that the SD card is always read-write. in mmc_sd_get_ro()
919 int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card, in mmc_sd_setup_card() argument
926 * Fetch SCR from card. in mmc_sd_setup_card()
928 err = mmc_app_send_scr(card); in mmc_sd_setup_card()
932 err = mmc_decode_scr(card); in mmc_sd_setup_card()
939 err = mmc_read_ssr(card); in mmc_sd_setup_card()
944 mmc_init_erase(card); in mmc_sd_setup_card()
947 * Fetch switch information from card. in mmc_sd_setup_card()
949 err = mmc_read_switch(card); in mmc_sd_setup_card()
957 * card registers because some SDHC cards are not able in mmc_sd_setup_card()
976 mmc_card_set_readonly(card); in mmc_sd_setup_card()
983 unsigned mmc_sd_get_max_clock(struct mmc_card *card) in mmc_sd_get_max_clock() argument
987 if (mmc_card_hs(card)) { in mmc_sd_get_max_clock()
988 if (max_dtr > card->sw_caps.hs_max_dtr) in mmc_sd_get_max_clock()
989 max_dtr = card->sw_caps.hs_max_dtr; in mmc_sd_get_max_clock()
990 } else if (max_dtr > card->csd.max_dtr) { in mmc_sd_get_max_clock()
991 max_dtr = card->csd.max_dtr; in mmc_sd_get_max_clock()
997 static bool mmc_sd_card_using_v18(struct mmc_card *card) in mmc_sd_card_using_v18() argument
1001 * 2 to 4 are zero if the card is initialized at 3.3V signal level. Thus in mmc_sd_card_using_v18()
1002 * they can be used to determine if the card has already switched to in mmc_sd_card_using_v18()
1005 return card->sw_caps.sd3_bus_mode & in mmc_sd_card_using_v18()
1009 static int sd_write_ext_reg(struct mmc_card *card, u8 fno, u8 page, u16 offset, in sd_write_ext_reg() argument
1012 struct mmc_host *host = card->host; in sd_write_ext_reg()
1050 mmc_set_data_timeout(&data, card); in sd_write_ext_reg()
1056 * Note that, the SD card is allowed to signal busy on DAT0 up to 1s in sd_write_ext_reg()
1069 static int sd_read_ext_reg(struct mmc_card *card, u8 fno, u8 page, in sd_read_ext_reg() argument
1085 return mmc_send_adtc_data(card, card->host, SD_READ_EXTR_SINGLE, in sd_read_ext_reg()
1089 static int sd_parse_ext_reg_power(struct mmc_card *card, u8 fno, u8 page, in sd_parse_ext_reg_power() argument
1100 err = sd_read_ext_reg(card, fno, page, offset, 512, reg_buf); in sd_parse_ext_reg_power()
1103 mmc_hostname(card->host), err); in sd_parse_ext_reg_power()
1108 card->ext_power.rev = reg_buf[0] & 0xf; in sd_parse_ext_reg_power()
1112 card->ext_power.feature_support |= SD_EXT_POWER_OFF_NOTIFY; in sd_parse_ext_reg_power()
1116 card->ext_power.feature_support |= SD_EXT_POWER_SUSTENANCE; in sd_parse_ext_reg_power()
1120 card->ext_power.feature_support |= SD_EXT_POWER_DOWN_MODE; in sd_parse_ext_reg_power()
1122 card->ext_power.fno = fno; in sd_parse_ext_reg_power()
1123 card->ext_power.page = page; in sd_parse_ext_reg_power()
1124 card->ext_power.offset = offset; in sd_parse_ext_reg_power()
1131 static int sd_parse_ext_reg_perf(struct mmc_card *card, u8 fno, u8 page, in sd_parse_ext_reg_perf() argument
1141 err = sd_read_ext_reg(card, fno, page, offset, 512, reg_buf); in sd_parse_ext_reg_perf()
1144 mmc_hostname(card->host), err); in sd_parse_ext_reg_perf()
1149 card->ext_perf.rev = reg_buf[0]; in sd_parse_ext_reg_perf()
1153 card->ext_perf.feature_support |= SD_EXT_PERF_FX_EVENT; in sd_parse_ext_reg_perf()
1155 /* Card initiated self-maintenance support at bit 0. */ in sd_parse_ext_reg_perf()
1157 card->ext_perf.feature_support |= SD_EXT_PERF_CARD_MAINT; in sd_parse_ext_reg_perf()
1161 card->ext_perf.feature_support |= SD_EXT_PERF_HOST_MAINT; in sd_parse_ext_reg_perf()
1165 card->ext_perf.feature_support |= SD_EXT_PERF_CACHE; in sd_parse_ext_reg_perf()
1169 card->ext_perf.feature_support |= SD_EXT_PERF_CMD_QUEUE; in sd_parse_ext_reg_perf()
1171 card->ext_perf.fno = fno; in sd_parse_ext_reg_perf()
1172 card->ext_perf.page = page; in sd_parse_ext_reg_perf()
1173 card->ext_perf.offset = offset; in sd_parse_ext_reg_perf()
1180 static int sd_parse_ext_reg(struct mmc_card *card, u8 *gen_info_buf, in sd_parse_ext_reg() argument
1222 return sd_parse_ext_reg_power(card, fno, page, offset); in sd_parse_ext_reg()
1226 return sd_parse_ext_reg_perf(card, fno, page, offset); in sd_parse_ext_reg()
1231 static int sd_read_ext_regs(struct mmc_card *card) in sd_read_ext_regs() argument
1237 if (mmc_host_is_spi(card->host)) in sd_read_ext_regs()
1240 if (!(card->scr.cmds & SD_SCR_CMD48_SUPPORT)) in sd_read_ext_regs()
1251 err = sd_read_ext_reg(card, 0, 0, 0, 512, gen_info_buf); in sd_read_ext_regs()
1254 mmc_hostname(card->host), err); in sd_read_ext_regs()
1270 mmc_hostname(card->host)); in sd_read_ext_regs()
1280 err = sd_parse_ext_reg(card, gen_info_buf, &next_ext_addr); in sd_read_ext_regs()
1283 mmc_hostname(card->host), err); in sd_read_ext_regs()
1295 return host->card->ext_perf.feature_enabled & SD_EXT_PERF_CACHE; in sd_cache_enabled()
1300 struct mmc_card *card = host->card; in sd_flush_cache() local
1316 fno = card->ext_perf.fno; in sd_flush_cache()
1317 page = card->ext_perf.page; in sd_flush_cache()
1318 offset = card->ext_perf.offset + 261; in sd_flush_cache()
1320 err = sd_write_ext_reg(card, fno, page, offset, BIT(0)); in sd_flush_cache()
1327 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_flush_cache()
1333 * Read the Flush Cache bit. The card shall reset it, to confirm that in sd_flush_cache()
1336 err = sd_read_ext_reg(card, fno, page, offset, 1, reg_buf); in sd_flush_cache()
1350 static int sd_enable_cache(struct mmc_card *card) in sd_enable_cache() argument
1355 card->ext_perf.feature_enabled &= ~SD_EXT_PERF_CACHE; in sd_enable_cache()
1365 err = sd_write_ext_reg(card, card->ext_perf.fno, card->ext_perf.page, in sd_enable_cache()
1366 card->ext_perf.offset + 260, BIT(0)); in sd_enable_cache()
1369 mmc_hostname(card->host), err); in sd_enable_cache()
1373 err = mmc_poll_for_busy(card, SD_WRITE_EXTR_SINGLE_TIMEOUT_MS, false, in sd_enable_cache()
1376 card->ext_perf.feature_enabled |= SD_EXT_PERF_CACHE; in sd_enable_cache()
1384 * Handle the detection and initialisation of a card.
1386 * In the case of a resume, "oldcard" will contain the card
1392 struct mmc_card *card; in mmc_sd_init_card() local
1406 pr_debug("%s: Perhaps the card was replaced\n", in mmc_sd_init_card()
1411 card = oldcard; in mmc_sd_init_card()
1414 * Allocate card structure. in mmc_sd_init_card()
1416 card = mmc_alloc_card(host, &sd_type); in mmc_sd_init_card()
1417 if (IS_ERR(card)) in mmc_sd_init_card()
1418 return PTR_ERR(card); in mmc_sd_init_card()
1420 card->ocr = ocr; in mmc_sd_init_card()
1421 card->type = MMC_TYPE_SD; in mmc_sd_init_card()
1422 memcpy(card->raw_cid, cid, sizeof(card->raw_cid)); in mmc_sd_init_card()
1429 host->ops->init_card(host, card); in mmc_sd_init_card()
1432 * For native busses: get card RCA and quit open drain mode. in mmc_sd_init_card()
1435 err = mmc_send_relative_addr(host, &card->rca); in mmc_sd_init_card()
1441 err = mmc_sd_get_csd(card); in mmc_sd_init_card()
1445 mmc_decode_cid(card); in mmc_sd_init_card()
1452 if (card->csd.dsr_imp && host->dsr_req) in mmc_sd_init_card()
1456 * Select card, as all following commands rely on that. in mmc_sd_init_card()
1459 err = mmc_select_card(card); in mmc_sd_init_card()
1464 err = mmc_sd_setup_card(host, card, oldcard != NULL); in mmc_sd_init_card()
1469 * If the card has not been power cycled, it may still be using 1.8V in mmc_sd_init_card()
1474 mmc_sd_card_using_v18(card) && in mmc_sd_init_card()
1481 err = mmc_read_switch(card); in mmc_sd_init_card()
1485 if (mmc_sd_card_using_v18(card)) { in mmc_sd_init_card()
1487 mmc_sd_init_uhs_card(card)) { in mmc_sd_init_card()
1491 mmc_remove_card(card); in mmc_sd_init_card()
1500 err = mmc_sd_init_uhs_card(card); in mmc_sd_init_card()
1507 err = mmc_sd_switch_hs(card); in mmc_sd_init_card()
1509 mmc_set_timing(card->host, MMC_TIMING_SD_HS); in mmc_sd_init_card()
1516 mmc_set_clock(host, mmc_sd_get_max_clock(card)); in mmc_sd_init_card()
1522 (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) { in mmc_sd_init_card()
1523 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_card()
1533 err = sd_read_ext_regs(card); in mmc_sd_init_card()
1539 if (card->ext_perf.feature_support & SD_EXT_PERF_CACHE) { in mmc_sd_init_card()
1540 err = sd_enable_cache(card); in mmc_sd_init_card()
1546 err = host->cqe_ops->cqe_enable(host, card); in mmc_sd_init_card()
1563 host->card = card; in mmc_sd_init_card()
1568 mmc_remove_card(card); in mmc_sd_init_card()
1574 * Host is being removed. Free up the current card.
1578 mmc_remove_card(host->card); in mmc_sd_remove()
1579 host->card = NULL; in mmc_sd_remove()
1583 * Card detection - card is alive.
1587 return mmc_send_status(host->card, NULL); in mmc_sd_alive()
1591 * Card detection callback from host.
1597 mmc_get_card(host->card, NULL); in mmc_sd_detect()
1600 * Just check if our card has been removed. in mmc_sd_detect()
1604 mmc_put_card(host->card, NULL); in mmc_sd_detect()
1616 static int sd_can_poweroff_notify(struct mmc_card *card) in sd_can_poweroff_notify() argument
1618 return card->ext_power.feature_support & SD_EXT_POWER_OFF_NOTIFY; in sd_can_poweroff_notify()
1624 struct mmc_card *card = data->card; in sd_busy_poweroff_notify_cb() local
1632 err = sd_read_ext_reg(card, card->ext_power.fno, card->ext_power.page, in sd_busy_poweroff_notify_cb()
1633 card->ext_power.offset + 1, 1, data->reg_buf); in sd_busy_poweroff_notify_cb()
1636 mmc_hostname(card->host), err); in sd_busy_poweroff_notify_cb()
1644 static int sd_poweroff_notify(struct mmc_card *card) in sd_poweroff_notify() argument
1658 err = sd_write_ext_reg(card, card->ext_power.fno, card->ext_power.page, in sd_poweroff_notify()
1659 card->ext_power.offset + 2, BIT(0)); in sd_poweroff_notify()
1662 mmc_hostname(card->host), err); in sd_poweroff_notify()
1666 cb_data.card = card; in sd_poweroff_notify()
1668 err = __mmc_poll_for_busy(card, SD_POWEROFF_NOTIFY_TIMEOUT_MS, in sd_poweroff_notify()
1678 struct mmc_card *card = host->card; in _mmc_sd_suspend() local
1683 if (mmc_card_suspended(card)) in _mmc_sd_suspend()
1686 if (sd_can_poweroff_notify(card)) in _mmc_sd_suspend()
1687 err = sd_poweroff_notify(card); in _mmc_sd_suspend()
1693 mmc_card_set_suspended(card); in _mmc_sd_suspend()
1710 pm_runtime_disable(&host->card->dev); in mmc_sd_suspend()
1711 pm_runtime_set_suspended(&host->card->dev); in mmc_sd_suspend()
1718 * This function tries to determine if the same card is still present
1727 if (!mmc_card_suspended(host->card)) in _mmc_sd_resume()
1730 mmc_power_up(host, host->card->ocr); in _mmc_sd_resume()
1731 err = mmc_sd_init_card(host, host->card->ocr, host->card); in _mmc_sd_resume()
1732 mmc_card_clr_suspended(host->card); in _mmc_sd_resume()
1744 pm_runtime_enable(&host->card->dev); in mmc_sd_resume()
1783 mmc_power_cycle(host, host->card->ocr); in mmc_sd_hw_reset()
1784 return mmc_sd_init_card(host, host->card->ocr, host->card); in mmc_sd_hw_reset()
1802 * Starting point for SD card init.
1839 * Can we support the voltage(s) of the card(s)? in mmc_attach_sd()
1847 * Detect and init the card. in mmc_attach_sd()
1854 err = mmc_add_card(host->card); in mmc_attach_sd()
1862 mmc_remove_card(host->card); in mmc_attach_sd()
1863 host->card = NULL; in mmc_attach_sd()
1868 pr_err("%s: error %d whilst initialising SD card\n", in mmc_attach_sd()