72 void mmc_decode_cid(struct mmc_card *card)  in mmc_decode_cid()  argument
74 	u32 *resp = card->raw_cid;  in mmc_decode_cid()
80 	card->cid.manfid		= UNSTUFF_BITS(resp, 120, 8);  in mmc_decode_cid()
81 	card->cid.oemid			= UNSTUFF_BITS(resp, 104, 16);  in mmc_decode_cid()
82 	card->cid.prod_name[0]		= UNSTUFF_BITS(resp, 96, 8);  in mmc_decode_cid()
83 	card->cid.prod_name[1]		= UNSTUFF_BITS(resp, 88, 8);  in mmc_decode_cid()
84 	card->cid.prod_name[2]		= UNSTUFF_BITS(resp, 80, 8);  in mmc_decode_cid()
85 	card->cid.prod_name[3]		= UNSTUFF_BITS(resp, 72, 8);  in mmc_decode_cid()
86 	card->cid.prod_name[4]		= UNSTUFF_BITS(resp, 64, 8);  in mmc_decode_cid()
87 	card->cid.hwrev			= UNSTUFF_BITS(resp, 60, 4);  in mmc_decode_cid()
88 	card->cid.fwrev			= UNSTUFF_BITS(resp, 56, 4);  in mmc_decode_cid()
89 	card->cid.serial		= UNSTUFF_BITS(resp, 24, 32);  in mmc_decode_cid()
90 	card->cid.year			= UNSTUFF_BITS(resp, 12, 8);  in mmc_decode_cid()
91 	card->cid.month			= UNSTUFF_BITS(resp, 8, 4);  in mmc_decode_cid()
93 	card->cid.year += 2000; /* SD cards year offset */  in mmc_decode_cid()
99 static int mmc_decode_csd(struct mmc_card *card)  in mmc_decode_csd()  argument
101 	struct mmc_csd *csd = &card->csd;  in mmc_decode_csd()
103 	u32 *resp = card->raw_csd;  in mmc_decode_csd()
146 		mmc_card_set_blockaddr(card);  in mmc_decode_csd()
159 			mmc_card_set_ext_capacity(card);  in mmc_decode_csd()
175 			mmc_hostname(card->host), csd_struct);  in mmc_decode_csd()
179 	card->erase_size = csd->erase_size;  in mmc_decode_csd()
187 static int mmc_decode_scr(struct mmc_card *card)  in mmc_decode_scr()  argument
189 	struct sd_scr *scr = &card->scr;  in mmc_decode_scr()
193 	resp[3] = card->raw_scr[1];  in mmc_decode_scr()
194 	resp[2] = card->raw_scr[0];  in mmc_decode_scr()
199 			mmc_hostname(card->host), scr_struct);  in mmc_decode_scr()
215 		card->erased_byte = 0xFF;  in mmc_decode_scr()
217 		card->erased_byte = 0x0;  in mmc_decode_scr()
225 		pr_err("%s: invalid bus width\n", mmc_hostname(card->host));  in mmc_decode_scr()
235 static int mmc_read_ssr(struct mmc_card *card)  in mmc_read_ssr()  argument
243 	if (!(card->csd.cmdclass & CCC_APP_SPEC)) {  in mmc_read_ssr()
245 			mmc_hostname(card->host));  in mmc_read_ssr()
249 	raw_ssr = kmalloc(sizeof(card->raw_ssr), GFP_KERNEL);  in mmc_read_ssr()
253 	if (mmc_app_sd_status(card, raw_ssr)) {  in mmc_read_ssr()
255 			mmc_hostname(card->host));  in mmc_read_ssr()
261 		card->raw_ssr[i] = be32_to_cpu(raw_ssr[i]);  in mmc_read_ssr()
269 	au = UNSTUFF_BITS(card->raw_ssr, 428 - 384, 4);  in mmc_read_ssr()
271 		if (au <= 9 || card->scr.sda_spec3) {  in mmc_read_ssr()
272 			card->ssr.au = sd_au_size[au];  in mmc_read_ssr()
273 			es = UNSTUFF_BITS(card->raw_ssr, 408 - 384, 16);  in mmc_read_ssr()
274 			et = UNSTUFF_BITS(card->raw_ssr, 402 - 384, 6);  in mmc_read_ssr()
276 				eo = UNSTUFF_BITS(card->raw_ssr, 400 - 384, 2);  in mmc_read_ssr()
277 				card->ssr.erase_timeout = (et * 1000) / es;  in mmc_read_ssr()
278 				card->ssr.erase_offset = eo * 1000;  in mmc_read_ssr()
282 				mmc_hostname(card->host));  in mmc_read_ssr()
289 	resp[3] = card->raw_ssr[6];  in mmc_read_ssr()
291 	card->erase_arg = (card->scr.sda_specx && discard_support) ?  in mmc_read_ssr()
300 static int mmc_read_switch(struct mmc_card *card)  in mmc_read_switch()  argument
305 	if (card->scr.sda_vsn < SCR_SPEC_VER_1)  in mmc_read_switch()
308 	if (!(card->csd.cmdclass & CCC_SWITCH)) {  in mmc_read_switch()
310 			mmc_hostname(card->host));  in mmc_read_switch()
323 	err = mmc_sd_switch(card, 0, 0, 0, status);  in mmc_read_switch()
333 			mmc_hostname(card->host));  in mmc_read_switch()
340 		card->sw_caps.hs_max_dtr = HIGH_SPEED_MAX_DTR;  in mmc_read_switch()
342 	if (card->scr.sda_spec3) {  in mmc_read_switch()
343 		card->sw_caps.sd3_bus_mode = status[13];  in mmc_read_switch()
345 		card->sw_caps.sd3_drv_type = status[9];  in mmc_read_switch()
346 		card->sw_caps.sd3_curr_limit = status[7] | status[6] << 8;  in mmc_read_switch()
358 int mmc_sd_switch_hs(struct mmc_card *card)  in mmc_sd_switch_hs()  argument
363 	if (card->scr.sda_vsn < SCR_SPEC_VER_1)  in mmc_sd_switch_hs()
366 	if (!(card->csd.cmdclass & CCC_SWITCH))  in mmc_sd_switch_hs()
369 	if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED))  in mmc_sd_switch_hs()
372 	if (card->sw_caps.hs_max_dtr == 0)  in mmc_sd_switch_hs()
379 	err = mmc_sd_switch(card, 1, 0, 1, status);  in mmc_sd_switch_hs()
385 			mmc_hostname(card->host));  in mmc_sd_switch_hs()
397 static int sd_select_driver_type(struct mmc_card *card, u8 *status)  in sd_select_driver_type()  argument
402 	card->drive_strength = 0;  in sd_select_driver_type()
404 	card_drv_type = card->sw_caps.sd3_drv_type | SD_DRIVER_TYPE_B;  in sd_select_driver_type()
406 	drive_strength = mmc_select_drive_strength(card,  in sd_select_driver_type()
407 						   card->sw_caps.uhs_max_dtr,  in sd_select_driver_type()
411 		err = mmc_sd_switch(card, 1, 2, drive_strength, status);  in sd_select_driver_type()
416 				mmc_hostname(card->host));  in sd_select_driver_type()
419 		card->drive_strength = drive_strength;  in sd_select_driver_type()
423 		mmc_set_driver_type(card->host, drv_type);  in sd_select_driver_type()
428 static void sd_update_bus_speed_mode(struct mmc_card *card)  in sd_update_bus_speed_mode()  argument
434 	if (!mmc_host_uhs(card->host)) {  in sd_update_bus_speed_mode()
435 		card->sd_bus_speed = 0;  in sd_update_bus_speed_mode()
439 	if ((card->host->caps & MMC_CAP_UHS_SDR104) &&  in sd_update_bus_speed_mode()
440 	    (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) {  in sd_update_bus_speed_mode()
441 			card->sd_bus_speed = UHS_SDR104_BUS_SPEED;  in sd_update_bus_speed_mode()
442 	} else if ((card->host->caps & MMC_CAP_UHS_DDR50) &&  in sd_update_bus_speed_mode()
443 		   (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) {  in sd_update_bus_speed_mode()
444 			card->sd_bus_speed = UHS_DDR50_BUS_SPEED;  in sd_update_bus_speed_mode()
445 	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |  in sd_update_bus_speed_mode()
446 		    MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode &  in sd_update_bus_speed_mode()
448 			card->sd_bus_speed = UHS_SDR50_BUS_SPEED;  in sd_update_bus_speed_mode()
449 	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |  in sd_update_bus_speed_mode()
451 		   (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) {  in sd_update_bus_speed_mode()
452 			card->sd_bus_speed = UHS_SDR25_BUS_SPEED;  in sd_update_bus_speed_mode()
453 	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |  in sd_update_bus_speed_mode()
455 		    MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode &  in sd_update_bus_speed_mode()
457 			card->sd_bus_speed = UHS_SDR12_BUS_SPEED;  in sd_update_bus_speed_mode()
461 static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status)  in sd_set_bus_speed_mode()  argument
466 	switch (card->sd_bus_speed) {  in sd_set_bus_speed_mode()
469 		card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR;  in sd_set_bus_speed_mode()
473 		card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR;  in sd_set_bus_speed_mode()
477 		card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR;  in sd_set_bus_speed_mode()
481 		card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR;  in sd_set_bus_speed_mode()
485 		card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR;  in sd_set_bus_speed_mode()
491 	err = mmc_sd_switch(card, 1, 0, card->sd_bus_speed, status);  in sd_set_bus_speed_mode()
495 	if ((status[16] & 0xF) != card->sd_bus_speed)  in sd_set_bus_speed_mode()
497 			mmc_hostname(card->host));  in sd_set_bus_speed_mode()
499 		mmc_set_timing(card->host, timing);  in sd_set_bus_speed_mode()
500 		mmc_set_clock(card->host, card->sw_caps.uhs_max_dtr);  in sd_set_bus_speed_mode()
531 static int sd_set_current_limit(struct mmc_card *card, u8 *status)  in sd_set_current_limit()  argument
542 	if ((card->sd_bus_speed != UHS_SDR50_BUS_SPEED) &&  in sd_set_current_limit()
543 	    (card->sd_bus_speed != UHS_SDR104_BUS_SPEED) &&  in sd_set_current_limit()
544 	    (card->sd_bus_speed != UHS_DDR50_BUS_SPEED))  in sd_set_current_limit()
551 	max_current = sd_get_host_max_current(card->host);  in sd_set_current_limit()
569 	    card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_800)  in sd_set_current_limit()
572 		 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_600)  in sd_set_current_limit()
575 		 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_400)  in sd_set_current_limit()
578 		 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_200)  in sd_set_current_limit()
582 		err = mmc_sd_switch(card, 1, 3, current_limit, status);  in sd_set_current_limit()
588 				mmc_hostname(card->host));  in sd_set_current_limit()
598 static int mmc_sd_init_uhs_card(struct mmc_card *card)  in mmc_sd_init_uhs_card()  argument
603 	if (!(card->csd.cmdclass & CCC_SWITCH))  in mmc_sd_init_uhs_card()
611 	err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4);  in mmc_sd_init_uhs_card()
615 	mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4);  in mmc_sd_init_uhs_card()
621 	sd_update_bus_speed_mode(card);  in mmc_sd_init_uhs_card()
624 	err = sd_select_driver_type(card, status);  in mmc_sd_init_uhs_card()
629 	err = sd_set_current_limit(card, status);  in mmc_sd_init_uhs_card()
634 	err = sd_set_bus_speed_mode(card, status);  in mmc_sd_init_uhs_card()
642 	if (!mmc_host_is_spi(card->host) &&  in mmc_sd_init_uhs_card()
643 		(card->host->ios.timing == MMC_TIMING_UHS_SDR50 ||  in mmc_sd_init_uhs_card()
644 		 card->host->ios.timing == MMC_TIMING_UHS_DDR50 ||  in mmc_sd_init_uhs_card()
645 		 card->host->ios.timing == MMC_TIMING_UHS_SDR104)) {  in mmc_sd_init_uhs_card()
646 		err = mmc_execute_tuning(card);  in mmc_sd_init_uhs_card()
655 		if (err && card->host->ios.timing == MMC_TIMING_UHS_DDR50) {  in mmc_sd_init_uhs_card()
657 				mmc_hostname(card->host));  in mmc_sd_init_uhs_card()
668 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
669 	card->raw_cid[2], card->raw_cid[3]);
670 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
671 	card->raw_csd[2], card->raw_csd[3]);
672 MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
675 		card->raw_ssr[0], card->raw_ssr[1], card->raw_ssr[2],
676 		card->raw_ssr[3], card->raw_ssr[4], card->raw_ssr[5],
677 		card->raw_ssr[6], card->raw_ssr[7], card->raw_ssr[8],
678 		card->raw_ssr[9], card->raw_ssr[10], card->raw_ssr[11],
679 		card->raw_ssr[12], card->raw_ssr[13], card->raw_ssr[14],
680 		card->raw_ssr[15]);
681 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
682 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
683 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
684 MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
685 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
686 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
687 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
688 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
689 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
690 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
691 MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
698        struct mmc_card *card = mmc_dev_to_card(dev);  in mmc_dsr_show()  local
699        struct mmc_host *host = card->host;  in mmc_dsr_show()
701        if (card->csd.dsr_imp && host->dsr_req)  in mmc_dsr_show()
809 int mmc_sd_get_csd(struct mmc_host *host, struct mmc_card *card)  in mmc_sd_get_csd()  argument
816 	err = mmc_send_csd(card, card->raw_csd);  in mmc_sd_get_csd()
820 	err = mmc_decode_csd(card);  in mmc_sd_get_csd()
847 int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card,  in mmc_sd_setup_card()  argument
856 		err = mmc_app_send_scr(card);  in mmc_sd_setup_card()
860 		err = mmc_decode_scr(card);  in mmc_sd_setup_card()
867 		err = mmc_read_ssr(card);  in mmc_sd_setup_card()
872 		mmc_init_erase(card);  in mmc_sd_setup_card()
877 		err = mmc_read_switch(card);  in mmc_sd_setup_card()
904 			mmc_card_set_readonly(card);  in mmc_sd_setup_card()
911 unsigned mmc_sd_get_max_clock(struct mmc_card *card)  in mmc_sd_get_max_clock()  argument
915 	if (mmc_card_hs(card)) {  in mmc_sd_get_max_clock()
916 		if (max_dtr > card->sw_caps.hs_max_dtr)  in mmc_sd_get_max_clock()
917 			max_dtr = card->sw_caps.hs_max_dtr;  in mmc_sd_get_max_clock()
918 	} else if (max_dtr > card->csd.max_dtr) {  in mmc_sd_get_max_clock()
919 		max_dtr = card->csd.max_dtr;  in mmc_sd_get_max_clock()
925 static bool mmc_sd_card_using_v18(struct mmc_card *card)  in mmc_sd_card_using_v18()  argument
933 	return card->sw_caps.sd3_bus_mode &  in mmc_sd_card_using_v18()
946 	struct mmc_card *card;  in mmc_sd_init_card()  local
965 		card = oldcard;  in mmc_sd_init_card()
970 		card = mmc_alloc_card(host, &sd_type);  in mmc_sd_init_card()
971 		if (IS_ERR(card))  in mmc_sd_init_card()
972 			return PTR_ERR(card);  in mmc_sd_init_card()
974 		card->ocr = ocr;  in mmc_sd_init_card()
975 		card->type = MMC_TYPE_SD;  in mmc_sd_init_card()
976 		memcpy(card->raw_cid, cid, sizeof(card->raw_cid));  in mmc_sd_init_card()
983 		host->ops->init_card(host, card);  in mmc_sd_init_card()
989 		err = mmc_send_relative_addr(host, &card->rca);  in mmc_sd_init_card()
995 		err = mmc_sd_get_csd(host, card);  in mmc_sd_init_card()
999 		mmc_decode_cid(card);  in mmc_sd_init_card()
1006 	if (card->csd.dsr_imp && host->dsr_req)  in mmc_sd_init_card()
1013 		err = mmc_select_card(card);  in mmc_sd_init_card()
1018 	err = mmc_sd_setup_card(host, card, oldcard != NULL);  in mmc_sd_init_card()
1028 	    mmc_sd_card_using_v18(card) &&  in mmc_sd_init_card()
1035 			err = mmc_read_switch(card);  in mmc_sd_init_card()
1039 		if (mmc_sd_card_using_v18(card)) {  in mmc_sd_init_card()
1041 			    mmc_sd_init_uhs_card(card)) {  in mmc_sd_init_card()
1045 					mmc_remove_card(card);  in mmc_sd_init_card()
1054 		err = mmc_sd_init_uhs_card(card);  in mmc_sd_init_card()
1061 		err = mmc_sd_switch_hs(card);  in mmc_sd_init_card()
1063 			mmc_set_timing(card->host, MMC_TIMING_SD_HS);  in mmc_sd_init_card()
1070 		mmc_set_clock(host, mmc_sd_get_max_clock(card));  in mmc_sd_init_card()
1076 			(card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {  in mmc_sd_init_card()
1077 			err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4);  in mmc_sd_init_card()
1093 	host->card = card;  in mmc_sd_init_card()
1098 		mmc_remove_card(card);  in mmc_sd_init_card()
1108 	mmc_remove_card(host->card);  in mmc_sd_remove()
1109 	host->card = NULL;  in mmc_sd_remove()
1117 	return mmc_send_status(host->card, NULL);  in mmc_sd_alive()
1127 	mmc_get_card(host->card, NULL);  in mmc_sd_detect()
1134 	mmc_put_card(host->card, NULL);  in mmc_sd_detect()
1152 	if (mmc_card_suspended(host->card))  in _mmc_sd_suspend()
1160 		mmc_card_set_suspended(host->card);  in _mmc_sd_suspend()
1177 		pm_runtime_disable(&host->card->dev);  in mmc_sd_suspend()
1178 		pm_runtime_set_suspended(&host->card->dev);  in mmc_sd_suspend()
1194 	if (!mmc_card_suspended(host->card))  in _mmc_sd_resume()
1197 	mmc_power_up(host, host->card->ocr);  in _mmc_sd_resume()
1198 	err = mmc_sd_init_card(host, host->card->ocr, host->card);  in _mmc_sd_resume()
1199 	mmc_card_clr_suspended(host->card);  in _mmc_sd_resume()
1211 	pm_runtime_enable(&host->card->dev);  in mmc_sd_resume()
1250 	mmc_power_cycle(host, host->card->ocr);  in mmc_sd_hw_reset()
1251 	return mmc_sd_init_card(host, host->card->ocr, host->card);  in mmc_sd_hw_reset()
1319 	err = mmc_add_card(host->card);  in mmc_attach_sd()
1327 	mmc_remove_card(host->card);  in mmc_attach_sd()
1328 	host->card = NULL;  in mmc_attach_sd()