45 	struct mmc_host *host;  member
49 static int sd_uhs2_power_up(struct mmc_host *host)  in sd_uhs2_power_up()  argument
51 	if (host->ios.power_mode == MMC_POWER_ON)  in sd_uhs2_power_up()
54 	host->ios.vdd = fls(host->ocr_avail) - 1;  in sd_uhs2_power_up()
55 	host->ios.clock = host->f_init;  in sd_uhs2_power_up()
56 	host->ios.timing = MMC_TIMING_UHS2_SPEED_A;  in sd_uhs2_power_up()
57 	host->ios.power_mode = MMC_POWER_ON;  in sd_uhs2_power_up()
59 	return host->ops->uhs2_control(host, UHS2_SET_IOS);  in sd_uhs2_power_up()
62 static int sd_uhs2_power_off(struct mmc_host *host)  in sd_uhs2_power_off()  argument
66 	if (host->ios.power_mode == MMC_POWER_OFF)  in sd_uhs2_power_off()
69 	host->ios.vdd = 0;  in sd_uhs2_power_off()
70 	host->ios.clock = 0;  in sd_uhs2_power_off()
71 	host->ios.power_mode = MMC_POWER_OFF;  in sd_uhs2_power_off()
72 	host->uhs2_sd_tran = false;  in sd_uhs2_power_off()
74 	err = host->ops->uhs2_control(host, UHS2_SET_IOS);  in sd_uhs2_power_off()
79 	host->ios.timing = MMC_TIMING_LEGACY;  in sd_uhs2_power_off()
88 static int sd_uhs2_phy_init(struct mmc_host *host)  in sd_uhs2_phy_init()  argument
92 	err = host->ops->uhs2_control(host, UHS2_PHY_INIT);  in sd_uhs2_phy_init()
95 			 mmc_hostname(host));  in sd_uhs2_phy_init()
137 static int sd_uhs2_dev_init(struct mmc_host *host)  in sd_uhs2_dev_init()  argument
147 	dap = host->uhs2_caps.dap;  in sd_uhs2_dev_init()
148 	gap = host->uhs2_caps.gap;  in sd_uhs2_dev_init()
189 		err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_dev_init()
193 			       mmc_hostname(host), __func__, err);  in sd_uhs2_dev_init()
199 			       mmc_hostname(host));  in sd_uhs2_dev_init()
204 			host->uhs2_caps.group_desc = gd;  in sd_uhs2_dev_init()
214 		       mmc_hostname(host), __func__, err);  in sd_uhs2_dev_init()
226 static int sd_uhs2_enum(struct mmc_host *host, u32 *node_id)  in sd_uhs2_enum()  argument
254 	err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_enum()
257 		       mmc_hostname(host), __func__, err);  in sd_uhs2_enum()
263 		       mmc_hostname(host));  in sd_uhs2_enum()
279 static int sd_uhs2_config_read(struct mmc_host *host, struct mmc_card *card)  in sd_uhs2_config_read()  argument
306 	err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_config_read()
309 		       mmc_hostname(host), __func__, err);  in sd_uhs2_config_read()
354 	err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_config_read()
357 		       mmc_hostname(host), __func__, err);  in sd_uhs2_config_read()
411 	err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_config_read()
414 		       mmc_hostname(host), __func__, err);  in sd_uhs2_config_read()
467 static int sd_uhs2_config_write(struct mmc_host *host, struct mmc_card *card)  in sd_uhs2_config_write()  argument
491 	host->uhs2_caps.n_lanes_set = UHS2_DEV_CONFIG_GEN_SET_2L_FD_HD;  in sd_uhs2_config_write()
508 	err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_config_write()
511 		       mmc_hostname(host), __func__, err);  in sd_uhs2_config_write()
526 	if (host->uhs2_caps.speed_range == UHS2_DEV_CONFIG_PHY_SET_SPEED_B) {  in sd_uhs2_config_write()
528 		    host->uhs2_caps.n_lanes == UHS2_DEV_CONFIG_2L_HD_FD) {  in sd_uhs2_config_write()
530 			host->ios.timing = MMC_TIMING_UHS2_SPEED_B_HD;  in sd_uhs2_config_write()
534 			host->ios.timing = MMC_TIMING_UHS2_SPEED_B;  in sd_uhs2_config_write()
540 		    host->uhs2_caps.n_lanes == UHS2_DEV_CONFIG_2L_HD_FD) {  in sd_uhs2_config_write()
542 			host->ios.timing = MMC_TIMING_UHS2_SPEED_A_HD;  in sd_uhs2_config_write()
546 			host->ios.timing = MMC_TIMING_UHS2_SPEED_A;  in sd_uhs2_config_write()
555 						host->uhs2_caps.n_lss_sync) >> 2) &  in sd_uhs2_config_write()
557 	host->uhs2_caps.n_lss_sync_set = card->uhs2_config.n_lss_sync_set;  in sd_uhs2_config_write()
560 					       host->uhs2_caps.n_lss_dir) >> 3) &  in sd_uhs2_config_write()
562 	host->uhs2_caps.n_lss_dir_set = card->uhs2_config.n_lss_dir_set;  in sd_uhs2_config_write()
574 	err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_config_write()
577 		       mmc_hostname(host), __func__, err);  in sd_uhs2_config_write()
583 		       mmc_hostname(host), __func__, uhs2_cmd.uhs2_resp[2]);  in sd_uhs2_config_write()
602 						       host->uhs2_caps.maxblk_len);  in sd_uhs2_config_write()
603 	host->uhs2_caps.maxblk_len_set = card->uhs2_config.maxblk_len_set;  in sd_uhs2_config_write()
605 	card->uhs2_config.n_fcu_set = min(card->uhs2_config.n_fcu, host->uhs2_caps.n_fcu);  in sd_uhs2_config_write()
606 	host->uhs2_caps.n_fcu_set = card->uhs2_config.n_fcu_set;  in sd_uhs2_config_write()
609 	host->uhs2_caps.n_data_gap_set = card->uhs2_config.n_data_gap_set;  in sd_uhs2_config_write()
611 	host->uhs2_caps.max_retry_set = 3;  in sd_uhs2_config_write()
612 	card->uhs2_config.max_retry_set = host->uhs2_caps.max_retry_set;  in sd_uhs2_config_write()
623 	err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_config_write()
626 		       mmc_hostname(host), __func__, err);  in sd_uhs2_config_write()
655 	err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_config_write()
658 		       mmc_hostname(host), __func__, err);  in sd_uhs2_config_write()
663 	err = host->ops->uhs2_control(host, UHS2_SET_CONFIG);  in sd_uhs2_config_write()
665 		pr_err("%s: %s: UHS2 SET_CONFIG fail!\n", mmc_hostname(host), __func__);  in sd_uhs2_config_write()
672 static int sd_uhs2_go_dormant(struct mmc_host *host, u32 node_id)  in sd_uhs2_go_dormant()  argument
679 	err = host->ops->uhs2_control(host, UHS2_DISABLE_INT);  in sd_uhs2_go_dormant()
682 		       mmc_hostname(host), __func__);  in sd_uhs2_go_dormant()
704 	err = mmc_wait_for_cmd(host, &cmd, 0);  in sd_uhs2_go_dormant()
707 		       mmc_hostname(host), __func__, err);  in sd_uhs2_go_dormant()
712 	err = host->ops->uhs2_control(host, UHS2_CHECK_DORMANT);  in sd_uhs2_go_dormant()
717 	err = host->ops->uhs2_control(host, UHS2_DISABLE_CLK);  in sd_uhs2_go_dormant()
723 	err = host->ops->uhs2_control(host, UHS2_ENABLE_CLK);  in sd_uhs2_go_dormant()
728 	err = host->ops->uhs2_control(host, UHS2_ENABLE_INT);  in sd_uhs2_go_dormant()
733 	err = host->ops->uhs2_control(host, UHS2_PHY_INIT);  in sd_uhs2_go_dormant()
743 	struct mmc_host *host = data->host;  in sd_uhs2_wait_active_state_cb()  local
747 	err = mmc_wait_for_cmd(host, cmd, 0);  in sd_uhs2_wait_active_state_cb()
759 static int sd_uhs2_go_dormant_state(struct mmc_host *host, u32 node_id)  in sd_uhs2_go_dormant_state()  argument
765 		.host = host,  in sd_uhs2_go_dormant_state()
769 	err = sd_uhs2_go_dormant(host, node_id);  in sd_uhs2_go_dormant_state()
772 		       mmc_hostname(host), __func__, err);  in sd_uhs2_go_dormant_state()
790 	err = __mmc_poll_for_busy(host, UHS2_WAIT_CFG_COMPLETE_PERIOD_US,  in sd_uhs2_go_dormant_state()
794 		pr_err("%s: %s: Not switch to Active in 100 ms\n", mmc_hostname(host), __func__);  in sd_uhs2_go_dormant_state()
805 static int sd_uhs2_init_card(struct mmc_host *host, struct mmc_card *oldcard)  in sd_uhs2_init_card()  argument
811 	err = sd_uhs2_dev_init(host);  in sd_uhs2_init_card()
815 	err = sd_uhs2_enum(host, &node_id);  in sd_uhs2_init_card()
822 		card = mmc_alloc_card(host, &sd_type);  in sd_uhs2_init_card()
830 	err = sd_uhs2_config_read(host, card);  in sd_uhs2_init_card()
834 	err = sd_uhs2_config_write(host, card);  in sd_uhs2_init_card()
839 	if (host->ios.timing == MMC_TIMING_UHS2_SPEED_B ||  in sd_uhs2_init_card()
840 	    host->ios.timing == MMC_TIMING_UHS2_SPEED_B_HD) {  in sd_uhs2_init_card()
841 		err = sd_uhs2_go_dormant_state(host, node_id);  in sd_uhs2_init_card()
846 	host->uhs2_sd_tran = true;  in sd_uhs2_init_card()
847 	host->card = card;  in sd_uhs2_init_card()
863 static int sd_uhs2_legacy_init(struct mmc_host *host, struct mmc_card *card,  in sd_uhs2_legacy_init()  argument
874 	err = __mmc_go_idle(host);  in sd_uhs2_legacy_init()
881 	err = mmc_send_if_cond(host, host->ocr_avail);  in sd_uhs2_legacy_init()
888 	err = mmc_send_app_op_cond(host, 0, &ocr);  in sd_uhs2_legacy_init()
899 	rocr = mmc_select_voltage(host, ocr);  in sd_uhs2_legacy_init()
905 		rocr = host->ocr_avail;  in sd_uhs2_legacy_init()
912 	err = mmc_send_app_op_cond(host, ocr, &rocr);  in sd_uhs2_legacy_init()
916 	err = mmc_send_cid(host, cid);  in sd_uhs2_legacy_init()
923 				 mmc_hostname(host));  in sd_uhs2_legacy_init()
934 	err = mmc_send_relative_addr(host, &card->rca);  in sd_uhs2_legacy_init()
971 			mmc_hostname(card->host));  in sd_uhs2_legacy_init()
985 	ro = mmc_sd_get_ro(host);  in sd_uhs2_legacy_init()
988 			mmc_hostname(host));  in sd_uhs2_legacy_init()
996 static int sd_uhs2_reinit(struct mmc_host *host)  in sd_uhs2_reinit()  argument
998 	struct mmc_card *card = host->card;  in sd_uhs2_reinit()
1001 	err = sd_uhs2_power_up(host);  in sd_uhs2_reinit()
1005 	err = sd_uhs2_phy_init(host);  in sd_uhs2_reinit()
1009 	err = sd_uhs2_init_card(host, card);  in sd_uhs2_reinit()
1013 	return sd_uhs2_legacy_init(host, card, true);  in sd_uhs2_reinit()
1016 static void sd_uhs2_remove(struct mmc_host *host)  in sd_uhs2_remove()  argument
1018 	mmc_remove_card(host->card);  in sd_uhs2_remove()
1019 	host->card = NULL;  in sd_uhs2_remove()
1022 static int sd_uhs2_alive(struct mmc_host *host)  in sd_uhs2_alive()  argument
1024 	return mmc_send_status(host->card, NULL);  in sd_uhs2_alive()
1027 static void sd_uhs2_detect(struct mmc_host *host)  in sd_uhs2_detect()  argument
1031 	mmc_get_card(host->card, NULL);  in sd_uhs2_detect()
1032 	err = _mmc_detect_card_removed(host);  in sd_uhs2_detect()
1033 	mmc_put_card(host->card, NULL);  in sd_uhs2_detect()
1036 		sd_uhs2_remove(host);  in sd_uhs2_detect()
1038 		mmc_claim_host(host);  in sd_uhs2_detect()
1039 		mmc_detach_bus(host);  in sd_uhs2_detect()
1040 		sd_uhs2_power_off(host);  in sd_uhs2_detect()
1041 		mmc_release_host(host);  in sd_uhs2_detect()
1045 static int _sd_uhs2_suspend(struct mmc_host *host)  in _sd_uhs2_suspend()  argument
1047 	struct mmc_card *card = host->card;  in _sd_uhs2_suspend()
1049 	mmc_claim_host(host);  in _sd_uhs2_suspend()
1054 	sd_uhs2_power_off(host);  in _sd_uhs2_suspend()
1058 	mmc_release_host(host);  in _sd_uhs2_suspend()
1065 static int sd_uhs2_suspend(struct mmc_host *host)  in sd_uhs2_suspend()  argument
1069 	err = _sd_uhs2_suspend(host);  in sd_uhs2_suspend()
1071 		pm_runtime_disable(&host->card->dev);  in sd_uhs2_suspend()
1072 		pm_runtime_set_suspended(&host->card->dev);  in sd_uhs2_suspend()
1082 static int _mmc_sd_uhs2_resume(struct mmc_host *host)  in _mmc_sd_uhs2_resume()  argument
1086 	mmc_claim_host(host);  in _mmc_sd_uhs2_resume()
1088 	if (!mmc_card_suspended(host->card))  in _mmc_sd_uhs2_resume()
1092 	err = sd_uhs2_reinit(host);  in _mmc_sd_uhs2_resume()
1093 	mmc_card_clr_suspended(host->card);  in _mmc_sd_uhs2_resume()
1096 	mmc_release_host(host);  in _mmc_sd_uhs2_resume()
1103 static int sd_uhs2_resume(struct mmc_host *host)  in sd_uhs2_resume()  argument
1105 	pm_runtime_enable(&host->card->dev);  in sd_uhs2_resume()
1112 static int sd_uhs2_runtime_suspend(struct mmc_host *host)  in sd_uhs2_runtime_suspend()  argument
1116 	if (!(host->caps & MMC_CAP_AGGRESSIVE_PM))  in sd_uhs2_runtime_suspend()
1119 	err = _sd_uhs2_suspend(host);  in sd_uhs2_runtime_suspend()
1121 		pr_err("%s: error %d doing aggressive suspend\n", mmc_hostname(host), err);  in sd_uhs2_runtime_suspend()
1126 static int sd_uhs2_runtime_resume(struct mmc_host *host)  in sd_uhs2_runtime_resume()  argument
1130 	err = _mmc_sd_uhs2_resume(host);  in sd_uhs2_runtime_resume()
1132 		pr_err("%s: error %d doing runtime resume\n", mmc_hostname(host), err);  in sd_uhs2_runtime_resume()
1137 static int sd_uhs2_hw_reset(struct mmc_host *host)  in sd_uhs2_hw_reset()  argument
1139 	sd_uhs2_power_off(host);  in sd_uhs2_hw_reset()
1143 	return sd_uhs2_reinit(host);  in sd_uhs2_hw_reset()
1158 static int sd_uhs2_attach(struct mmc_host *host)  in sd_uhs2_attach()  argument
1162 	err = sd_uhs2_power_up(host);  in sd_uhs2_attach()
1166 	err = sd_uhs2_phy_init(host);  in sd_uhs2_attach()
1170 	err = sd_uhs2_init_card(host, NULL);  in sd_uhs2_attach()
1174 	err = sd_uhs2_legacy_init(host, host->card, false);  in sd_uhs2_attach()
1178 	mmc_attach_bus(host, &sd_uhs2_ops);  in sd_uhs2_attach()
1180 	mmc_release_host(host);  in sd_uhs2_attach()
1182 	err = mmc_add_card(host->card);  in sd_uhs2_attach()
1186 	mmc_claim_host(host);  in sd_uhs2_attach()
1190 	sd_uhs2_remove(host);  in sd_uhs2_attach()
1191 	mmc_claim_host(host);  in sd_uhs2_attach()
1193 	mmc_detach_bus(host);  in sd_uhs2_attach()
1194 	sd_uhs2_power_off(host);  in sd_uhs2_attach()
1207 int mmc_attach_sd_uhs2(struct mmc_host *host)  in mmc_attach_sd_uhs2()  argument
1211 	if (!(host->caps2 & MMC_CAP2_SD_UHS2))  in mmc_attach_sd_uhs2()
1215 	mmc_power_off(host);  in mmc_attach_sd_uhs2()
1223 		host->f_init = sd_uhs2_freqs[i];  in mmc_attach_sd_uhs2()
1225 			 mmc_hostname(host), __func__, host->f_init);  in mmc_attach_sd_uhs2()
1226 		err = sd_uhs2_attach(host);  in mmc_attach_sd_uhs2()
1245 void mmc_uhs2_prepare_cmd(struct mmc_host *host, struct mmc_request *mrq)  in mmc_uhs2_prepare_cmd()  argument
1254 	uhs2_cmd->header = host->card->uhs2_config.node_id;  in mmc_uhs2_prepare_cmd()
1261 	if (host->uhs2_app_cmd) {  in mmc_uhs2_prepare_cmd()
1263 		host->uhs2_app_cmd = false;  in mmc_uhs2_prepare_cmd()
1275 		cmd->uhs2_cmd->tmode_half_duplex = mmc_card_uhs2_hd_mode(host);  in mmc_uhs2_prepare_cmd()
1284 		if (mmc_card_uhs2_hd_mode(host))  in mmc_uhs2_prepare_cmd()