73 void mmc_decode_cid(struct mmc_card *card)  in mmc_decode_cid()  argument
75 	u32 *resp = card->raw_cid;  in mmc_decode_cid()
77 	memset(&card->cid, 0, sizeof(struct mmc_cid));  in mmc_decode_cid()
83 	card->cid.manfid		= UNSTUFF_BITS(resp, 120, 8);  in mmc_decode_cid()
84 	card->cid.oemid			= UNSTUFF_BITS(resp, 104, 16);  in mmc_decode_cid()
85 	card->cid.prod_name[0]		= UNSTUFF_BITS(resp, 96, 8);  in mmc_decode_cid()
86 	card->cid.prod_name[1]		= UNSTUFF_BITS(resp, 88, 8);  in mmc_decode_cid()
87 	card->cid.prod_name[2]		= UNSTUFF_BITS(resp, 80, 8);  in mmc_decode_cid()
88 	card->cid.prod_name[3]		= UNSTUFF_BITS(resp, 72, 8);  in mmc_decode_cid()
89 	card->cid.prod_name[4]		= UNSTUFF_BITS(resp, 64, 8);  in mmc_decode_cid()
90 	card->cid.hwrev			= UNSTUFF_BITS(resp, 60, 4);  in mmc_decode_cid()
91 	card->cid.fwrev			= UNSTUFF_BITS(resp, 56, 4);  in mmc_decode_cid()
92 	card->cid.serial		= UNSTUFF_BITS(resp, 24, 32);  in mmc_decode_cid()
93 	card->cid.year			= UNSTUFF_BITS(resp, 12, 8);  in mmc_decode_cid()
94 	card->cid.month			= UNSTUFF_BITS(resp, 8, 4);  in mmc_decode_cid()
96 	card->cid.year += 2000; /* SD cards year offset */  in mmc_decode_cid()
102 static int mmc_decode_csd(struct mmc_card *card)  in mmc_decode_csd()  argument
104 	struct mmc_csd *csd = &card->csd;  in mmc_decode_csd()
106 	u32 *resp = card->raw_csd;  in mmc_decode_csd()
149 		mmc_card_set_blockaddr(card);  in mmc_decode_csd()
162 			mmc_card_set_ext_capacity(card);  in mmc_decode_csd()
178 			mmc_hostname(card->host), csd_struct);  in mmc_decode_csd()
182 	card->erase_size = csd->erase_size;  in mmc_decode_csd()
190 static int mmc_decode_scr(struct mmc_card *card)  in mmc_decode_scr()  argument
192 	struct sd_scr *scr = &card->scr;  in mmc_decode_scr()
196 	resp[3] = card->raw_scr[1];  in mmc_decode_scr()
197 	resp[2] = card->raw_scr[0];  in mmc_decode_scr()
202 			mmc_hostname(card->host), scr_struct);  in mmc_decode_scr()
213 		card->erased_byte = 0xFF;  in mmc_decode_scr()
215 		card->erased_byte = 0x0;  in mmc_decode_scr()
225 static int mmc_read_ssr(struct mmc_card *card)  in mmc_read_ssr()  argument
231 	if (!(card->csd.cmdclass & CCC_APP_SPEC)) {  in mmc_read_ssr()
233 			mmc_hostname(card->host));  in mmc_read_ssr()
241 	err = mmc_app_sd_status(card, ssr);  in mmc_read_ssr()
244 			mmc_hostname(card->host));  in mmc_read_ssr()
258 		if (au <= 9 || card->scr.sda_spec3) {  in mmc_read_ssr()
259 			card->ssr.au = sd_au_size[au];  in mmc_read_ssr()
264 				card->ssr.erase_timeout = (et * 1000) / es;  in mmc_read_ssr()
265 				card->ssr.erase_offset = eo * 1000;  in mmc_read_ssr()
269 				mmc_hostname(card->host));  in mmc_read_ssr()
280 static int mmc_read_switch(struct mmc_card *card)  in mmc_read_switch()  argument
285 	if (card->scr.sda_vsn < SCR_SPEC_VER_1)  in mmc_read_switch()
288 	if (!(card->csd.cmdclass & CCC_SWITCH)) {  in mmc_read_switch()
290 			mmc_hostname(card->host));  in mmc_read_switch()
300 			mmc_hostname(card->host));  in mmc_read_switch()
309 	err = mmc_sd_switch(card, 0, 0, 0, status);  in mmc_read_switch()
319 			mmc_hostname(card->host));  in mmc_read_switch()
326 		card->sw_caps.hs_max_dtr = HIGH_SPEED_MAX_DTR;  in mmc_read_switch()
328 	if (card->scr.sda_spec3) {  in mmc_read_switch()
329 		card->sw_caps.sd3_bus_mode = status[13];  in mmc_read_switch()
331 		card->sw_caps.sd3_drv_type = status[9];  in mmc_read_switch()
343 int mmc_sd_switch_hs(struct mmc_card *card)  in mmc_sd_switch_hs()  argument
348 	if (card->scr.sda_vsn < SCR_SPEC_VER_1)  in mmc_sd_switch_hs()
351 	if (!(card->csd.cmdclass & CCC_SWITCH))  in mmc_sd_switch_hs()
354 	if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED))  in mmc_sd_switch_hs()
357 	if (card->sw_caps.hs_max_dtr == 0)  in mmc_sd_switch_hs()
363 			"switch capabilities.\n", mmc_hostname(card->host));  in mmc_sd_switch_hs()
367 	err = mmc_sd_switch(card, 1, 0, 1, status);  in mmc_sd_switch_hs()
373 			mmc_hostname(card->host));  in mmc_sd_switch_hs()
385 static int sd_select_driver_type(struct mmc_card *card, u8 *status)  in sd_select_driver_type()  argument
390 	card->drive_strength = 0;  in sd_select_driver_type()
392 	card_drv_type = card->sw_caps.sd3_drv_type | SD_DRIVER_TYPE_B;  in sd_select_driver_type()
394 	drive_strength = mmc_select_drive_strength(card,  in sd_select_driver_type()
395 						   card->sw_caps.uhs_max_dtr,  in sd_select_driver_type()
399 		err = mmc_sd_switch(card, 1, 2, drive_strength, status);  in sd_select_driver_type()
404 				mmc_hostname(card->host));  in sd_select_driver_type()
407 		card->drive_strength = drive_strength;  in sd_select_driver_type()
411 		mmc_set_driver_type(card->host, drv_type);  in sd_select_driver_type()
416 static void sd_update_bus_speed_mode(struct mmc_card *card)  in sd_update_bus_speed_mode()  argument
422 	if (!mmc_host_uhs(card->host)) {  in sd_update_bus_speed_mode()
423 		card->sd_bus_speed = 0;  in sd_update_bus_speed_mode()
427 	if ((card->host->caps & MMC_CAP_UHS_SDR104) &&  in sd_update_bus_speed_mode()
428 	    (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) {  in sd_update_bus_speed_mode()
429 			card->sd_bus_speed = UHS_SDR104_BUS_SPEED;  in sd_update_bus_speed_mode()
430 	} else if ((card->host->caps & MMC_CAP_UHS_DDR50) &&  in sd_update_bus_speed_mode()
431 		   (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) {  in sd_update_bus_speed_mode()
432 			card->sd_bus_speed = UHS_DDR50_BUS_SPEED;  in sd_update_bus_speed_mode()
433 	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |  in sd_update_bus_speed_mode()
434 		    MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode &  in sd_update_bus_speed_mode()
436 			card->sd_bus_speed = UHS_SDR50_BUS_SPEED;  in sd_update_bus_speed_mode()
437 	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |  in sd_update_bus_speed_mode()
439 		   (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) {  in sd_update_bus_speed_mode()
440 			card->sd_bus_speed = UHS_SDR25_BUS_SPEED;  in sd_update_bus_speed_mode()
441 	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |  in sd_update_bus_speed_mode()
443 		    MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode &  in sd_update_bus_speed_mode()
445 			card->sd_bus_speed = UHS_SDR12_BUS_SPEED;  in sd_update_bus_speed_mode()
449 static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status)  in sd_set_bus_speed_mode()  argument
454 	switch (card->sd_bus_speed) {  in sd_set_bus_speed_mode()
457 		card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR;  in sd_set_bus_speed_mode()
461 		card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR;  in sd_set_bus_speed_mode()
465 		card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR;  in sd_set_bus_speed_mode()
469 		card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR;  in sd_set_bus_speed_mode()
473 		card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR;  in sd_set_bus_speed_mode()
479 	err = mmc_sd_switch(card, 1, 0, card->sd_bus_speed, status);  in sd_set_bus_speed_mode()
483 	if ((status[16] & 0xF) != card->sd_bus_speed)  in sd_set_bus_speed_mode()
485 			mmc_hostname(card->host));  in sd_set_bus_speed_mode()
487 		mmc_set_timing(card->host, timing);  in sd_set_bus_speed_mode()
488 		mmc_set_clock(card->host, card->sw_caps.uhs_max_dtr);  in sd_set_bus_speed_mode()
519 static int sd_set_current_limit(struct mmc_card *card, u8 *status)  in sd_set_current_limit()  argument
530 	if ((card->sd_bus_speed != UHS_SDR50_BUS_SPEED) &&  in sd_set_current_limit()
531 	    (card->sd_bus_speed != UHS_SDR104_BUS_SPEED) &&  in sd_set_current_limit()
532 	    (card->sd_bus_speed != UHS_DDR50_BUS_SPEED))  in sd_set_current_limit()
539 	max_current = sd_get_host_max_current(card->host);  in sd_set_current_limit()
559 		err = mmc_sd_switch(card, 1, 3, current_limit, status);  in sd_set_current_limit()
565 				mmc_hostname(card->host));  in sd_set_current_limit()
575 static int mmc_sd_init_uhs_card(struct mmc_card *card)  in mmc_sd_init_uhs_card()  argument
580 	if (!card->scr.sda_spec3)  in mmc_sd_init_uhs_card()
583 	if (!(card->csd.cmdclass & CCC_SWITCH))  in mmc_sd_init_uhs_card()
589 			"switch capabilities.\n", mmc_hostname(card->host));  in mmc_sd_init_uhs_card()
594 	if ((card->host->caps & MMC_CAP_4_BIT_DATA) &&  in mmc_sd_init_uhs_card()
595 	    (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {  in mmc_sd_init_uhs_card()
596 		err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4);  in mmc_sd_init_uhs_card()
600 		mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4);  in mmc_sd_init_uhs_card()
607 	sd_update_bus_speed_mode(card);  in mmc_sd_init_uhs_card()
610 	err = sd_select_driver_type(card, status);  in mmc_sd_init_uhs_card()
615 	err = sd_set_current_limit(card, status);  in mmc_sd_init_uhs_card()
620 	err = sd_set_bus_speed_mode(card, status);  in mmc_sd_init_uhs_card()
628 	if (!mmc_host_is_spi(card->host) &&  in mmc_sd_init_uhs_card()
629 		(card->host->ios.timing == MMC_TIMING_UHS_SDR50 ||  in mmc_sd_init_uhs_card()
630 		 card->host->ios.timing == MMC_TIMING_UHS_DDR50 ||  in mmc_sd_init_uhs_card()
631 		 card->host->ios.timing == MMC_TIMING_UHS_SDR104)) {  in mmc_sd_init_uhs_card()
632 		err = mmc_execute_tuning(card);  in mmc_sd_init_uhs_card()
641 		if (err && card->host->ios.timing == MMC_TIMING_UHS_DDR50) {  in mmc_sd_init_uhs_card()
643 				mmc_hostname(card->host));  in mmc_sd_init_uhs_card()
654 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
655 	card->raw_cid[2], card->raw_cid[3]);
656 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
657 	card->raw_csd[2], card->raw_csd[3]);
658 MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
659 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
660 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
661 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
662 MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
663 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
664 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
665 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
666 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
667 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
770 int mmc_sd_get_csd(struct mmc_host *host, struct mmc_card *card)  in mmc_sd_get_csd()  argument
777 	err = mmc_send_csd(card, card->raw_csd);  in mmc_sd_get_csd()
781 	err = mmc_decode_csd(card);  in mmc_sd_get_csd()
808 int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card,  in mmc_sd_setup_card()  argument
817 		err = mmc_app_send_scr(card, card->raw_scr);  in mmc_sd_setup_card()
821 		err = mmc_decode_scr(card);  in mmc_sd_setup_card()
828 		err = mmc_read_ssr(card);  in mmc_sd_setup_card()
833 		mmc_init_erase(card);  in mmc_sd_setup_card()
838 		err = mmc_read_switch(card);  in mmc_sd_setup_card()
865 			mmc_card_set_readonly(card);  in mmc_sd_setup_card()
872 unsigned mmc_sd_get_max_clock(struct mmc_card *card)  in mmc_sd_get_max_clock()  argument
876 	if (mmc_card_hs(card)) {  in mmc_sd_get_max_clock()
877 		if (max_dtr > card->sw_caps.hs_max_dtr)  in mmc_sd_get_max_clock()
878 			max_dtr = card->sw_caps.hs_max_dtr;  in mmc_sd_get_max_clock()
879 	} else if (max_dtr > card->csd.max_dtr) {  in mmc_sd_get_max_clock()
880 		max_dtr = card->csd.max_dtr;  in mmc_sd_get_max_clock()
895 	struct mmc_card *card;  in mmc_sd_init_card()  local
911 		card = oldcard;  in mmc_sd_init_card()
916 		card = mmc_alloc_card(host, &sd_type);  in mmc_sd_init_card()
917 		if (IS_ERR(card))  in mmc_sd_init_card()
918 			return PTR_ERR(card);  in mmc_sd_init_card()
920 		card->ocr = ocr;  in mmc_sd_init_card()
921 		card->type = MMC_TYPE_SD;  in mmc_sd_init_card()
922 		memcpy(card->raw_cid, cid, sizeof(card->raw_cid));  in mmc_sd_init_card()
929 		host->ops->init_card(host, card);  in mmc_sd_init_card()
935 		err = mmc_send_relative_addr(host, &card->rca);  in mmc_sd_init_card()
941 		err = mmc_sd_get_csd(host, card);  in mmc_sd_init_card()
945 		mmc_decode_cid(card);  in mmc_sd_init_card()
952 	if (card->csd.dsr_imp && host->dsr_req)  in mmc_sd_init_card()
959 		err = mmc_select_card(card);  in mmc_sd_init_card()
964 	err = mmc_sd_setup_card(host, card, oldcard != NULL);  in mmc_sd_init_card()
970 		err = mmc_sd_init_uhs_card(card);  in mmc_sd_init_card()
977 		err = mmc_sd_switch_hs(card);  in mmc_sd_init_card()
979 			mmc_set_timing(card->host, MMC_TIMING_SD_HS);  in mmc_sd_init_card()
986 		mmc_set_clock(host, mmc_sd_get_max_clock(card));  in mmc_sd_init_card()
992 			(card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {  in mmc_sd_init_card()
993 			err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4);  in mmc_sd_init_card()
1001 	host->card = card;  in mmc_sd_init_card()
1006 		mmc_remove_card(card);  in mmc_sd_init_card()
1017 	BUG_ON(!host->card);  in mmc_sd_remove()
1019 	mmc_remove_card(host->card);  in mmc_sd_remove()
1020 	host->card = NULL;  in mmc_sd_remove()
1028 	return mmc_send_status(host->card, NULL);  in mmc_sd_alive()
1039 	BUG_ON(!host->card);  in mmc_sd_detect()
1041 	mmc_get_card(host->card);  in mmc_sd_detect()
1048 	mmc_put_card(host->card);  in mmc_sd_detect()
1065 	BUG_ON(!host->card);  in _mmc_sd_suspend()
1069 	if (mmc_card_suspended(host->card))  in _mmc_sd_suspend()
1077 		mmc_card_set_suspended(host->card);  in _mmc_sd_suspend()
1094 		pm_runtime_disable(&host->card->dev);  in mmc_sd_suspend()
1095 		pm_runtime_set_suspended(&host->card->dev);  in mmc_sd_suspend()
1110 	BUG_ON(!host->card);  in _mmc_sd_resume()
1114 	if (!mmc_card_suspended(host->card))  in _mmc_sd_resume()
1117 	mmc_power_up(host, host->card->ocr);  in _mmc_sd_resume()
1118 	err = mmc_sd_init_card(host, host->card->ocr, host->card);  in _mmc_sd_resume()
1119 	mmc_card_clr_suspended(host->card);  in _mmc_sd_resume()
1135 		pm_runtime_set_active(&host->card->dev);  in mmc_sd_resume()
1136 		pm_runtime_mark_last_busy(&host->card->dev);  in mmc_sd_resume()
1138 	pm_runtime_enable(&host->card->dev);  in mmc_sd_resume()
1181 	mmc_power_cycle(host, host->card->ocr);  in mmc_sd_reset()
1182 	return mmc_sd_init_card(host, host->card->ocr, host->card);  in mmc_sd_reset()
1245 	err = mmc_add_card(host->card);  in mmc_attach_sd()
1253 	mmc_remove_card(host->card);  in mmc_attach_sd()
1254 	host->card = NULL;  in mmc_attach_sd()