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()
365 			"switch capabilities.\n", mmc_hostname(card->host));  in mmc_sd_switch_hs()
369 	err = mmc_sd_switch(card, 1, 0, 1, status);  in mmc_sd_switch_hs()
375 			mmc_hostname(card->host));  in mmc_sd_switch_hs()
387 static int sd_select_driver_type(struct mmc_card *card, u8 *status)  in sd_select_driver_type()  argument
399 	if (!(card->host->caps & (MMC_CAP_DRIVER_TYPE_A | MMC_CAP_DRIVER_TYPE_C  in sd_select_driver_type()
403 	if (!card->host->ops->select_drive_strength)  in sd_select_driver_type()
406 	if (card->host->caps & MMC_CAP_DRIVER_TYPE_A)  in sd_select_driver_type()
409 	if (card->host->caps & MMC_CAP_DRIVER_TYPE_C)  in sd_select_driver_type()
412 	if (card->host->caps & MMC_CAP_DRIVER_TYPE_D)  in sd_select_driver_type()
415 	if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_A)  in sd_select_driver_type()
418 	if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_C)  in sd_select_driver_type()
421 	if (card->sw_caps.sd3_drv_type & SD_DRIVER_TYPE_D)  in sd_select_driver_type()
430 	mmc_host_clk_hold(card->host);  in sd_select_driver_type()
431 	drive_strength = card->host->ops->select_drive_strength(  in sd_select_driver_type()
432 		card->sw_caps.uhs_max_dtr,  in sd_select_driver_type()
434 	mmc_host_clk_release(card->host);  in sd_select_driver_type()
436 	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()
446 	mmc_set_driver_type(card->host, drive_strength);  in sd_select_driver_type()
451 static void sd_update_bus_speed_mode(struct mmc_card *card)  in sd_update_bus_speed_mode()  argument
457 	if (!mmc_host_uhs(card->host)) {  in sd_update_bus_speed_mode()
458 		card->sd_bus_speed = 0;  in sd_update_bus_speed_mode()
462 	if ((card->host->caps & MMC_CAP_UHS_SDR104) &&  in sd_update_bus_speed_mode()
463 	    (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) {  in sd_update_bus_speed_mode()
464 			card->sd_bus_speed = UHS_SDR104_BUS_SPEED;  in sd_update_bus_speed_mode()
465 	} else if ((card->host->caps & MMC_CAP_UHS_DDR50) &&  in sd_update_bus_speed_mode()
466 		   (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) {  in sd_update_bus_speed_mode()
467 			card->sd_bus_speed = UHS_DDR50_BUS_SPEED;  in sd_update_bus_speed_mode()
468 	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |  in sd_update_bus_speed_mode()
469 		    MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode &  in sd_update_bus_speed_mode()
471 			card->sd_bus_speed = UHS_SDR50_BUS_SPEED;  in sd_update_bus_speed_mode()
472 	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |  in sd_update_bus_speed_mode()
474 		   (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) {  in sd_update_bus_speed_mode()
475 			card->sd_bus_speed = UHS_SDR25_BUS_SPEED;  in sd_update_bus_speed_mode()
476 	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |  in sd_update_bus_speed_mode()
478 		    MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode &  in sd_update_bus_speed_mode()
480 			card->sd_bus_speed = UHS_SDR12_BUS_SPEED;  in sd_update_bus_speed_mode()
484 static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status)  in sd_set_bus_speed_mode()  argument
489 	switch (card->sd_bus_speed) {  in sd_set_bus_speed_mode()
492 		card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR;  in sd_set_bus_speed_mode()
496 		card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR;  in sd_set_bus_speed_mode()
500 		card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR;  in sd_set_bus_speed_mode()
504 		card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR;  in sd_set_bus_speed_mode()
508 		card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR;  in sd_set_bus_speed_mode()
514 	err = mmc_sd_switch(card, 1, 0, card->sd_bus_speed, status);  in sd_set_bus_speed_mode()
518 	if ((status[16] & 0xF) != card->sd_bus_speed)  in sd_set_bus_speed_mode()
520 			mmc_hostname(card->host));  in sd_set_bus_speed_mode()
522 		mmc_set_timing(card->host, timing);  in sd_set_bus_speed_mode()
523 		mmc_set_clock(card->host, card->sw_caps.uhs_max_dtr);  in sd_set_bus_speed_mode()
554 static int sd_set_current_limit(struct mmc_card *card, u8 *status)  in sd_set_current_limit()  argument
565 	if ((card->sd_bus_speed != UHS_SDR50_BUS_SPEED) &&  in sd_set_current_limit()
566 	    (card->sd_bus_speed != UHS_SDR104_BUS_SPEED) &&  in sd_set_current_limit()
567 	    (card->sd_bus_speed != UHS_DDR50_BUS_SPEED))  in sd_set_current_limit()
574 	max_current = sd_get_host_max_current(card->host);  in sd_set_current_limit()
594 		err = mmc_sd_switch(card, 1, 3, current_limit, status);  in sd_set_current_limit()
600 				mmc_hostname(card->host));  in sd_set_current_limit()
610 static int mmc_sd_init_uhs_card(struct mmc_card *card)  in mmc_sd_init_uhs_card()  argument
615 	if (!card->scr.sda_spec3)  in mmc_sd_init_uhs_card()
618 	if (!(card->csd.cmdclass & CCC_SWITCH))  in mmc_sd_init_uhs_card()
624 			"switch capabilities.\n", mmc_hostname(card->host));  in mmc_sd_init_uhs_card()
629 	if ((card->host->caps & MMC_CAP_4_BIT_DATA) &&  in mmc_sd_init_uhs_card()
630 	    (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {  in mmc_sd_init_uhs_card()
631 		err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4);  in mmc_sd_init_uhs_card()
635 		mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4);  in mmc_sd_init_uhs_card()
642 	sd_update_bus_speed_mode(card);  in mmc_sd_init_uhs_card()
645 	err = sd_select_driver_type(card, status);  in mmc_sd_init_uhs_card()
650 	err = sd_set_current_limit(card, status);  in mmc_sd_init_uhs_card()
655 	err = sd_set_bus_speed_mode(card, status);  in mmc_sd_init_uhs_card()
663 	if (!mmc_host_is_spi(card->host) &&  in mmc_sd_init_uhs_card()
664 		(card->host->ios.timing == MMC_TIMING_UHS_SDR50 ||  in mmc_sd_init_uhs_card()
665 		 card->host->ios.timing == MMC_TIMING_UHS_DDR50 ||  in mmc_sd_init_uhs_card()
666 		 card->host->ios.timing == MMC_TIMING_UHS_SDR104)) {  in mmc_sd_init_uhs_card()
667 		err = mmc_execute_tuning(card);  in mmc_sd_init_uhs_card()
676 		if (err && card->host->ios.timing == MMC_TIMING_UHS_DDR50) {  in mmc_sd_init_uhs_card()
678 				mmc_hostname(card->host));  in mmc_sd_init_uhs_card()
689 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
690 	card->raw_cid[2], card->raw_cid[3]);
691 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
692 	card->raw_csd[2], card->raw_csd[3]);
693 MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
694 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
695 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
696 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
697 MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
698 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
699 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
700 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
701 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
702 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
805 int mmc_sd_get_csd(struct mmc_host *host, struct mmc_card *card)  in mmc_sd_get_csd()  argument
812 	err = mmc_send_csd(card, card->raw_csd);  in mmc_sd_get_csd()
816 	err = mmc_decode_csd(card);  in mmc_sd_get_csd()
823 int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card,  in mmc_sd_setup_card()  argument
832 		err = mmc_app_send_scr(card, card->raw_scr);  in mmc_sd_setup_card()
836 		err = mmc_decode_scr(card);  in mmc_sd_setup_card()
843 		err = mmc_read_ssr(card);  in mmc_sd_setup_card()
848 		mmc_init_erase(card);  in mmc_sd_setup_card()
853 		err = mmc_read_switch(card);  in mmc_sd_setup_card()
877 			mmc_host_clk_hold(card->host);  in mmc_sd_setup_card()
879 			mmc_host_clk_release(card->host);  in mmc_sd_setup_card()
886 			mmc_card_set_readonly(card);  in mmc_sd_setup_card()
893 unsigned mmc_sd_get_max_clock(struct mmc_card *card)  in mmc_sd_get_max_clock()  argument
897 	if (mmc_card_hs(card)) {  in mmc_sd_get_max_clock()
898 		if (max_dtr > card->sw_caps.hs_max_dtr)  in mmc_sd_get_max_clock()
899 			max_dtr = card->sw_caps.hs_max_dtr;  in mmc_sd_get_max_clock()
900 	} else if (max_dtr > card->csd.max_dtr) {  in mmc_sd_get_max_clock()
901 		max_dtr = card->csd.max_dtr;  in mmc_sd_get_max_clock()
916 	struct mmc_card *card;  in mmc_sd_init_card()  local
932 		card = oldcard;  in mmc_sd_init_card()
937 		card = mmc_alloc_card(host, &sd_type);  in mmc_sd_init_card()
938 		if (IS_ERR(card))  in mmc_sd_init_card()
939 			return PTR_ERR(card);  in mmc_sd_init_card()
941 		card->ocr = ocr;  in mmc_sd_init_card()
942 		card->type = MMC_TYPE_SD;  in mmc_sd_init_card()
943 		memcpy(card->raw_cid, cid, sizeof(card->raw_cid));  in mmc_sd_init_card()
950 		host->ops->init_card(host, card);  in mmc_sd_init_card()
956 		err = mmc_send_relative_addr(host, &card->rca);  in mmc_sd_init_card()
962 		err = mmc_sd_get_csd(host, card);  in mmc_sd_init_card()
966 		mmc_decode_cid(card);  in mmc_sd_init_card()
973 	if (card->csd.dsr_imp && host->dsr_req)  in mmc_sd_init_card()
980 		err = mmc_select_card(card);  in mmc_sd_init_card()
985 	err = mmc_sd_setup_card(host, card, oldcard != NULL);  in mmc_sd_init_card()
991 		err = mmc_sd_init_uhs_card(card);  in mmc_sd_init_card()
998 		err = mmc_sd_switch_hs(card);  in mmc_sd_init_card()
1000 			mmc_set_timing(card->host, MMC_TIMING_SD_HS);  in mmc_sd_init_card()
1007 		mmc_set_clock(host, mmc_sd_get_max_clock(card));  in mmc_sd_init_card()
1013 			(card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {  in mmc_sd_init_card()
1014 			err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4);  in mmc_sd_init_card()
1022 	host->card = card;  in mmc_sd_init_card()
1027 		mmc_remove_card(card);  in mmc_sd_init_card()
1038 	BUG_ON(!host->card);  in mmc_sd_remove()
1040 	mmc_remove_card(host->card);  in mmc_sd_remove()
1041 	host->card = NULL;  in mmc_sd_remove()
1049 	return mmc_send_status(host->card, NULL);  in mmc_sd_alive()
1060 	BUG_ON(!host->card);  in mmc_sd_detect()
1062 	mmc_get_card(host->card);  in mmc_sd_detect()
1069 	mmc_put_card(host->card);  in mmc_sd_detect()
1086 	BUG_ON(!host->card);  in _mmc_sd_suspend()
1090 	if (mmc_card_suspended(host->card))  in _mmc_sd_suspend()
1098 		mmc_card_set_suspended(host->card);  in _mmc_sd_suspend()
1115 		pm_runtime_disable(&host->card->dev);  in mmc_sd_suspend()
1116 		pm_runtime_set_suspended(&host->card->dev);  in mmc_sd_suspend()
1131 	BUG_ON(!host->card);  in _mmc_sd_resume()
1135 	if (!mmc_card_suspended(host->card))  in _mmc_sd_resume()
1138 	mmc_power_up(host, host->card->ocr);  in _mmc_sd_resume()
1139 	err = mmc_sd_init_card(host, host->card->ocr, host->card);  in _mmc_sd_resume()
1140 	mmc_card_clr_suspended(host->card);  in _mmc_sd_resume()
1156 		pm_runtime_set_active(&host->card->dev);  in mmc_sd_resume()
1157 		pm_runtime_mark_last_busy(&host->card->dev);  in mmc_sd_resume()
1159 	pm_runtime_enable(&host->card->dev);  in mmc_sd_resume()
1205 	ret = mmc_sd_init_card(host, host->card->ocr, host->card);  in mmc_sd_power_restore()
1213 	mmc_power_cycle(host, host->card->ocr);  in mmc_sd_reset()
1278 	err = mmc_add_card(host->card);  in mmc_attach_sd()
1287 	mmc_remove_card(host->card);  in mmc_attach_sd()
1288 	host->card = NULL;  in mmc_attach_sd()