122 static void sdhci_omap_start_clock(struct sdhci_omap_host *omap_host);
123 static void sdhci_omap_stop_clock(struct sdhci_omap_host *omap_host);
137 static int sdhci_omap_set_pbias(struct sdhci_omap_host *omap_host,  in sdhci_omap_set_pbias()  argument
141 	struct device *dev = omap_host->dev;  in sdhci_omap_set_pbias()
143 	if (IS_ERR(omap_host->pbias))  in sdhci_omap_set_pbias()
147 		ret = regulator_set_voltage(omap_host->pbias, iov, iov);  in sdhci_omap_set_pbias()
153 		if (omap_host->pbias_enabled)  in sdhci_omap_set_pbias()
156 		ret = regulator_enable(omap_host->pbias);  in sdhci_omap_set_pbias()
162 		omap_host->pbias_enabled = true;  in sdhci_omap_set_pbias()
164 		if (!omap_host->pbias_enabled)  in sdhci_omap_set_pbias()
167 		ret = regulator_disable(omap_host->pbias);  in sdhci_omap_set_pbias()
172 		omap_host->pbias_enabled = false;  in sdhci_omap_set_pbias()
178 static int sdhci_omap_enable_iov(struct sdhci_omap_host *omap_host,  in sdhci_omap_enable_iov()  argument
182 	struct sdhci_host *host = omap_host->host;  in sdhci_omap_enable_iov()
185 	ret = sdhci_omap_set_pbias(omap_host, false, 0);  in sdhci_omap_enable_iov()
197 	ret = sdhci_omap_set_pbias(omap_host, true, iov);  in sdhci_omap_enable_iov()
204 static void sdhci_omap_conf_bus_power(struct sdhci_omap_host *omap_host,  in sdhci_omap_conf_bus_power()  argument
210 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL);  in sdhci_omap_conf_bus_power()
218 	sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, reg);  in sdhci_omap_conf_bus_power()
221 	sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, reg);  in sdhci_omap_conf_bus_power()
228 		if (sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL) & HCTL_SDBP)  in sdhci_omap_conf_bus_power()
240 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_enable_sdio_irq()  local
243 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_enable_sdio_irq()
248 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_enable_sdio_irq()
253 static inline void sdhci_omap_set_dll(struct sdhci_omap_host *omap_host,  in sdhci_omap_set_dll()  argument
259 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_DLL);  in sdhci_omap_set_dll()
263 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_set_dll()
266 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_set_dll()
268 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_DLL);  in sdhci_omap_set_dll()
273 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_set_dll()
276 static void sdhci_omap_disable_tuning(struct sdhci_omap_host *omap_host)  in sdhci_omap_disable_tuning()  argument
280 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_disable_tuning()
282 	sdhci_omap_writel(omap_host, SDHCI_OMAP_AC12, reg);  in sdhci_omap_disable_tuning()
284 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_DLL);  in sdhci_omap_disable_tuning()
286 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_disable_tuning()
293 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_execute_tuning()  local
295 	struct device *dev = omap_host->dev;  in sdhci_omap_execute_tuning()
312 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA2);  in sdhci_omap_execute_tuning()
326 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_DLL);  in sdhci_omap_execute_tuning()
328 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_execute_tuning()
341 	omap_host->is_tuning = true;  in sdhci_omap_execute_tuning()
349 		sdhci_omap_set_dll(omap_host, phase_delay);  in sdhci_omap_execute_tuning()
409 		sdhci_omap_set_dll(omap_host, phase_delay + i);  in sdhci_omap_execute_tuning()
426 		sdhci_omap_set_dll(omap_host, phase_delay + i);  in sdhci_omap_execute_tuning()
445 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_execute_tuning()
451 	sdhci_omap_set_dll(omap_host, phase_delay);  in sdhci_omap_execute_tuning()
453 	omap_host->is_tuning = false;  in sdhci_omap_execute_tuning()
458 	omap_host->is_tuning = false;  in sdhci_omap_execute_tuning()
460 	sdhci_omap_disable_tuning(omap_host);  in sdhci_omap_execute_tuning()
478 	struct sdhci_omap_host *omap_host;  in sdhci_omap_card_busy()  local
482 	omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_card_busy()
484 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_card_busy()
485 	ac12 = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_card_busy()
490 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_card_busy()
502 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_PSTATE);  in sdhci_omap_card_busy()
506 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_card_busy()
508 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_card_busy()
525 	struct sdhci_omap_host *omap_host;  in sdhci_omap_start_signal_voltage_switch()  local
529 	omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_start_signal_voltage_switch()
530 	dev = omap_host->dev;  in sdhci_omap_start_signal_voltage_switch()
533 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA);  in sdhci_omap_start_signal_voltage_switch()
537 		sdhci_omap_conf_bus_power(omap_host, ios->signal_voltage);  in sdhci_omap_start_signal_voltage_switch()
539 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_start_signal_voltage_switch()
541 		sdhci_omap_writel(omap_host, SDHCI_OMAP_AC12, reg);  in sdhci_omap_start_signal_voltage_switch()
545 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA);  in sdhci_omap_start_signal_voltage_switch()
549 		sdhci_omap_conf_bus_power(omap_host, ios->signal_voltage);  in sdhci_omap_start_signal_voltage_switch()
551 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_start_signal_voltage_switch()
553 		sdhci_omap_writel(omap_host, SDHCI_OMAP_AC12, reg);  in sdhci_omap_start_signal_voltage_switch()
560 	ret = sdhci_omap_enable_iov(omap_host, iov);  in sdhci_omap_start_signal_voltage_switch()
570 static void sdhci_omap_set_timing(struct sdhci_omap_host *omap_host, u8 timing)  in sdhci_omap_set_timing()  argument
574 	struct device *dev = omap_host->dev;  in sdhci_omap_set_timing()
576 	if (!(omap_host->flags & SDHCI_OMAP_REQUIRE_IODELAY))  in sdhci_omap_set_timing()
579 	if (omap_host->timing == timing)  in sdhci_omap_set_timing()
582 	sdhci_omap_stop_clock(omap_host);  in sdhci_omap_set_timing()
584 	pinctrl_state = omap_host->pinctrl_state[timing];  in sdhci_omap_set_timing()
585 	ret = pinctrl_select_state(omap_host->pinctrl, pinctrl_state);  in sdhci_omap_set_timing()
591 	sdhci_omap_start_clock(omap_host);  in sdhci_omap_set_timing()
592 	omap_host->timing = timing;  in sdhci_omap_set_timing()
595 static void sdhci_omap_set_power_mode(struct sdhci_omap_host *omap_host,  in sdhci_omap_set_power_mode()  argument
598 	if (omap_host->bus_mode == MMC_POWER_OFF)  in sdhci_omap_set_power_mode()
599 		sdhci_omap_disable_tuning(omap_host);  in sdhci_omap_set_power_mode()
600 	omap_host->power_mode = power_mode;  in sdhci_omap_set_power_mode()
603 static void sdhci_omap_set_bus_mode(struct sdhci_omap_host *omap_host,  in sdhci_omap_set_bus_mode()  argument
608 	if (omap_host->bus_mode == mode)  in sdhci_omap_set_bus_mode()
611 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_set_bus_mode()
616 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_set_bus_mode()
618 	omap_host->bus_mode = mode;  in sdhci_omap_set_bus_mode()
625 	struct sdhci_omap_host *omap_host;  in sdhci_omap_set_ios()  local
628 	omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_set_ios()
630 	sdhci_omap_set_bus_mode(omap_host, ios->bus_mode);  in sdhci_omap_set_ios()
631 	sdhci_omap_set_timing(omap_host, ios->timing);  in sdhci_omap_set_ios()
633 	sdhci_omap_set_power_mode(omap_host, ios->power_mode);  in sdhci_omap_set_ios()
648 static void sdhci_omap_start_clock(struct sdhci_omap_host *omap_host)  in sdhci_omap_start_clock()  argument
652 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_SYSCTL);  in sdhci_omap_start_clock()
654 	sdhci_omap_writel(omap_host, SDHCI_OMAP_SYSCTL, reg);  in sdhci_omap_start_clock()
657 static void sdhci_omap_stop_clock(struct sdhci_omap_host *omap_host)  in sdhci_omap_stop_clock()  argument
661 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_SYSCTL);  in sdhci_omap_stop_clock()
663 	sdhci_omap_writel(omap_host, SDHCI_OMAP_SYSCTL, reg);  in sdhci_omap_stop_clock()
669 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_set_clock()  local
672 	sdhci_omap_stop_clock(omap_host);  in sdhci_omap_set_clock()
681 	sdhci_omap_start_clock(omap_host);  in sdhci_omap_set_clock()
697 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_enable_dma()  local
699 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_enable_dma()
705 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_enable_dma()
720 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_set_bus_width()  local
723 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_set_bus_width()
728 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_set_bus_width()
738 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_init_74_clocks()  local
740 	if (omap_host->power_mode == power_mode)  in sdhci_omap_init_74_clocks()
748 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_init_74_clocks()
750 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_init_74_clocks()
751 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CMD, 0x0);  in sdhci_omap_init_74_clocks()
758 		if (sdhci_omap_readl(omap_host, SDHCI_OMAP_STAT) & INT_CC_EN)  in sdhci_omap_init_74_clocks()
765 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_init_74_clocks()
767 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_init_74_clocks()
768 	sdhci_omap_writel(omap_host, SDHCI_OMAP_STAT, INT_CC_EN);  in sdhci_omap_init_74_clocks()
778 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_set_uhs_signaling()  local
780 	sdhci_omap_stop_clock(omap_host);  in sdhci_omap_set_uhs_signaling()
782 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_set_uhs_signaling()
787 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_set_uhs_signaling()
790 	sdhci_omap_start_clock(omap_host);  in sdhci_omap_set_uhs_signaling()
797 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_reset()  local
802 	if (omap_host->is_tuning)  in sdhci_omap_reset()
805 	if (omap_host->flags & SDHCI_OMAP_SPECIAL_RESET) {  in sdhci_omap_reset()
832 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_irq()  local
834 	if (omap_host->is_tuning && host->cmd && !host->data_early &&  in sdhci_omap_irq()
885 static int sdhci_omap_set_capabilities(struct sdhci_omap_host *omap_host)  in sdhci_omap_set_capabilities()  argument
889 	struct device *dev = omap_host->dev;  in sdhci_omap_set_capabilities()
899 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA);  in sdhci_omap_set_capabilities()
907 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CAPA, reg);  in sdhci_omap_set_capabilities()
957 *sdhci_omap_iodelay_pinctrl_state(struct sdhci_omap_host *omap_host, char *mode,  in sdhci_omap_iodelay_pinctrl_state()  argument
960 	struct device *dev = omap_host->dev;  in sdhci_omap_iodelay_pinctrl_state()
961 	char *version = omap_host->version;  in sdhci_omap_iodelay_pinctrl_state()
970 		pinctrl_state = pinctrl_lookup_state(omap_host->pinctrl, str);  in sdhci_omap_iodelay_pinctrl_state()
974 		pinctrl_state = pinctrl_lookup_state(omap_host->pinctrl, mode);  in sdhci_omap_iodelay_pinctrl_state()
986 						   *omap_host)  in sdhci_omap_config_iodelay_pinctrl_state()
988 	struct device *dev = omap_host->dev;  in sdhci_omap_config_iodelay_pinctrl_state()
989 	struct sdhci_host *host = omap_host->host;  in sdhci_omap_config_iodelay_pinctrl_state()
996 	if (!(omap_host->flags & SDHCI_OMAP_REQUIRE_IODELAY))  in sdhci_omap_config_iodelay_pinctrl_state()
1006 	omap_host->pinctrl = devm_pinctrl_get(omap_host->dev);  in sdhci_omap_config_iodelay_pinctrl_state()
1007 	if (IS_ERR(omap_host->pinctrl)) {  in sdhci_omap_config_iodelay_pinctrl_state()
1009 		return PTR_ERR(omap_host->pinctrl);  in sdhci_omap_config_iodelay_pinctrl_state()
1012 	state = pinctrl_lookup_state(omap_host->pinctrl, "default");  in sdhci_omap_config_iodelay_pinctrl_state()
1019 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "sdr104", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1024 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "ddr50", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1029 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "sdr50", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1034 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "sdr25", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1039 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "sdr12", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1044 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "ddr_1_8v", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1049 		state = sdhci_omap_iodelay_pinctrl_state(omap_host, "ddr_3_3v",  in sdhci_omap_config_iodelay_pinctrl_state()
1056 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "hs", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1061 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "hs", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1066 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "hs200_1_8v", caps2,  in sdhci_omap_config_iodelay_pinctrl_state()
1071 	omap_host->pinctrl_state = pinctrl_state;  in sdhci_omap_config_iodelay_pinctrl_state()
1093 	struct sdhci_omap_host *omap_host;  in sdhci_omap_probe()  local
1116 				sizeof(*omap_host));  in sdhci_omap_probe()
1123 	omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_probe()
1124 	omap_host->host = host;  in sdhci_omap_probe()
1125 	omap_host->base = host->ioaddr;  in sdhci_omap_probe()
1126 	omap_host->dev = dev;  in sdhci_omap_probe()
1127 	omap_host->power_mode = MMC_POWER_UNDEFINED;  in sdhci_omap_probe()
1128 	omap_host->timing = MMC_TIMING_LEGACY;  in sdhci_omap_probe()
1129 	omap_host->flags = data->flags;  in sdhci_omap_probe()
1141 		omap_host->version = "rev11";  in sdhci_omap_probe()
1165 	omap_host->pbias = devm_regulator_get_optional(dev, "pbias");  in sdhci_omap_probe()
1166 	if (IS_ERR(omap_host->pbias)) {  in sdhci_omap_probe()
1167 		ret = PTR_ERR(omap_host->pbias);  in sdhci_omap_probe()
1172 	omap_host->pbias_enabled = false;  in sdhci_omap_probe()
1188 	ret = sdhci_omap_set_capabilities(omap_host);  in sdhci_omap_probe()
1212 	ret = sdhci_omap_config_iodelay_pinctrl_state(omap_host);  in sdhci_omap_probe()
1249 static void sdhci_omap_context_save(struct sdhci_omap_host *omap_host)  in sdhci_omap_context_save()  argument
1251 	omap_host->con = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_context_save()
1252 	omap_host->hctl = sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL);  in sdhci_omap_context_save()
1253 	omap_host->sysctl = sdhci_omap_readl(omap_host, SDHCI_OMAP_SYSCTL);  in sdhci_omap_context_save()
1254 	omap_host->capa = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA);  in sdhci_omap_context_save()
1255 	omap_host->ie = sdhci_omap_readl(omap_host, SDHCI_OMAP_IE);  in sdhci_omap_context_save()
1256 	omap_host->ise = sdhci_omap_readl(omap_host, SDHCI_OMAP_ISE);  in sdhci_omap_context_save()
1260 static void sdhci_omap_context_restore(struct sdhci_omap_host *omap_host)  in sdhci_omap_context_restore()  argument
1262 	sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, omap_host->hctl);  in sdhci_omap_context_restore()
1263 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CAPA, omap_host->capa);  in sdhci_omap_context_restore()
1264 	sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, omap_host->hctl);  in sdhci_omap_context_restore()
1266 	sdhci_omap_writel(omap_host, SDHCI_OMAP_SYSCTL, omap_host->sysctl);  in sdhci_omap_context_restore()
1267 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, omap_host->con);  in sdhci_omap_context_restore()
1268 	sdhci_omap_writel(omap_host, SDHCI_OMAP_IE, omap_host->ie);  in sdhci_omap_context_restore()
1269 	sdhci_omap_writel(omap_host, SDHCI_OMAP_ISE, omap_host->ise);  in sdhci_omap_context_restore()
1276 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_suspend()  local
1280 	sdhci_omap_context_save(omap_host);  in sdhci_omap_suspend()
1293 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_resume()  local
1299 	sdhci_omap_context_restore(omap_host);  in sdhci_omap_resume()