118 static void sdhci_omap_start_clock(struct sdhci_omap_host *omap_host);
119 static void sdhci_omap_stop_clock(struct sdhci_omap_host *omap_host);
133 static int sdhci_omap_set_pbias(struct sdhci_omap_host *omap_host,  in sdhci_omap_set_pbias()  argument
137 	struct device *dev = omap_host->dev;  in sdhci_omap_set_pbias()
139 	if (IS_ERR(omap_host->pbias))  in sdhci_omap_set_pbias()
143 		ret = regulator_set_voltage(omap_host->pbias, iov, iov);  in sdhci_omap_set_pbias()
149 		if (omap_host->pbias_enabled)  in sdhci_omap_set_pbias()
152 		ret = regulator_enable(omap_host->pbias);  in sdhci_omap_set_pbias()
158 		omap_host->pbias_enabled = true;  in sdhci_omap_set_pbias()
160 		if (!omap_host->pbias_enabled)  in sdhci_omap_set_pbias()
163 		ret = regulator_disable(omap_host->pbias);  in sdhci_omap_set_pbias()
168 		omap_host->pbias_enabled = false;  in sdhci_omap_set_pbias()
174 static int sdhci_omap_enable_iov(struct sdhci_omap_host *omap_host,  in sdhci_omap_enable_iov()  argument
178 	struct sdhci_host *host = omap_host->host;  in sdhci_omap_enable_iov()
181 	ret = sdhci_omap_set_pbias(omap_host, false, 0);  in sdhci_omap_enable_iov()
193 	ret = sdhci_omap_set_pbias(omap_host, true, iov);  in sdhci_omap_enable_iov()
200 static void sdhci_omap_conf_bus_power(struct sdhci_omap_host *omap_host,  in sdhci_omap_conf_bus_power()  argument
206 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL);  in sdhci_omap_conf_bus_power()
214 	sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, reg);  in sdhci_omap_conf_bus_power()
217 	sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, reg);  in sdhci_omap_conf_bus_power()
224 		if (sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL) & HCTL_SDBP)  in sdhci_omap_conf_bus_power()
236 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_enable_sdio_irq()  local
239 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_enable_sdio_irq()
244 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_enable_sdio_irq()
249 static inline void sdhci_omap_set_dll(struct sdhci_omap_host *omap_host,  in sdhci_omap_set_dll()  argument
255 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_DLL);  in sdhci_omap_set_dll()
259 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_set_dll()
262 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_set_dll()
264 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_DLL);  in sdhci_omap_set_dll()
269 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_set_dll()
272 static void sdhci_omap_disable_tuning(struct sdhci_omap_host *omap_host)  in sdhci_omap_disable_tuning()  argument
276 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_disable_tuning()
278 	sdhci_omap_writel(omap_host, SDHCI_OMAP_AC12, reg);  in sdhci_omap_disable_tuning()
280 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_DLL);  in sdhci_omap_disable_tuning()
282 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_disable_tuning()
289 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_execute_tuning()  local
291 	struct device *dev = omap_host->dev;  in sdhci_omap_execute_tuning()
308 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA2);  in sdhci_omap_execute_tuning()
322 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_DLL);  in sdhci_omap_execute_tuning()
324 	sdhci_omap_writel(omap_host, SDHCI_OMAP_DLL, reg);  in sdhci_omap_execute_tuning()
337 	omap_host->is_tuning = true;  in sdhci_omap_execute_tuning()
345 		sdhci_omap_set_dll(omap_host, phase_delay);  in sdhci_omap_execute_tuning()
405 		sdhci_omap_set_dll(omap_host, phase_delay + i);  in sdhci_omap_execute_tuning()
422 		sdhci_omap_set_dll(omap_host, phase_delay + i);  in sdhci_omap_execute_tuning()
441 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_execute_tuning()
447 	sdhci_omap_set_dll(omap_host, phase_delay);  in sdhci_omap_execute_tuning()
449 	omap_host->is_tuning = false;  in sdhci_omap_execute_tuning()
454 	omap_host->is_tuning = false;  in sdhci_omap_execute_tuning()
456 	sdhci_omap_disable_tuning(omap_host);  in sdhci_omap_execute_tuning()
474 	struct sdhci_omap_host *omap_host;  in sdhci_omap_card_busy()  local
478 	omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_card_busy()
480 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_card_busy()
481 	ac12 = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_card_busy()
486 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_card_busy()
498 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_PSTATE);  in sdhci_omap_card_busy()
502 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_card_busy()
504 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_card_busy()
521 	struct sdhci_omap_host *omap_host;  in sdhci_omap_start_signal_voltage_switch()  local
525 	omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_start_signal_voltage_switch()
526 	dev = omap_host->dev;  in sdhci_omap_start_signal_voltage_switch()
529 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA);  in sdhci_omap_start_signal_voltage_switch()
533 		sdhci_omap_conf_bus_power(omap_host, ios->signal_voltage);  in sdhci_omap_start_signal_voltage_switch()
535 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_start_signal_voltage_switch()
537 		sdhci_omap_writel(omap_host, SDHCI_OMAP_AC12, reg);  in sdhci_omap_start_signal_voltage_switch()
541 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA);  in sdhci_omap_start_signal_voltage_switch()
545 		sdhci_omap_conf_bus_power(omap_host, ios->signal_voltage);  in sdhci_omap_start_signal_voltage_switch()
547 		reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12);  in sdhci_omap_start_signal_voltage_switch()
549 		sdhci_omap_writel(omap_host, SDHCI_OMAP_AC12, reg);  in sdhci_omap_start_signal_voltage_switch()
556 	ret = sdhci_omap_enable_iov(omap_host, iov);  in sdhci_omap_start_signal_voltage_switch()
566 static void sdhci_omap_set_timing(struct sdhci_omap_host *omap_host, u8 timing)  in sdhci_omap_set_timing()  argument
570 	struct device *dev = omap_host->dev;  in sdhci_omap_set_timing()
572 	if (!(omap_host->flags & SDHCI_OMAP_REQUIRE_IODELAY))  in sdhci_omap_set_timing()
575 	if (omap_host->timing == timing)  in sdhci_omap_set_timing()
578 	sdhci_omap_stop_clock(omap_host);  in sdhci_omap_set_timing()
580 	pinctrl_state = omap_host->pinctrl_state[timing];  in sdhci_omap_set_timing()
581 	ret = pinctrl_select_state(omap_host->pinctrl, pinctrl_state);  in sdhci_omap_set_timing()
587 	sdhci_omap_start_clock(omap_host);  in sdhci_omap_set_timing()
588 	omap_host->timing = timing;  in sdhci_omap_set_timing()
591 static void sdhci_omap_set_power_mode(struct sdhci_omap_host *omap_host,  in sdhci_omap_set_power_mode()  argument
594 	if (omap_host->bus_mode == MMC_POWER_OFF)  in sdhci_omap_set_power_mode()
595 		sdhci_omap_disable_tuning(omap_host);  in sdhci_omap_set_power_mode()
596 	omap_host->power_mode = power_mode;  in sdhci_omap_set_power_mode()
599 static void sdhci_omap_set_bus_mode(struct sdhci_omap_host *omap_host,  in sdhci_omap_set_bus_mode()  argument
604 	if (omap_host->bus_mode == mode)  in sdhci_omap_set_bus_mode()
607 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_set_bus_mode()
612 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_set_bus_mode()
614 	omap_host->bus_mode = mode;  in sdhci_omap_set_bus_mode()
621 	struct sdhci_omap_host *omap_host;  in sdhci_omap_set_ios()  local
624 	omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_set_ios()
626 	sdhci_omap_set_bus_mode(omap_host, ios->bus_mode);  in sdhci_omap_set_ios()
627 	sdhci_omap_set_timing(omap_host, ios->timing);  in sdhci_omap_set_ios()
629 	sdhci_omap_set_power_mode(omap_host, ios->power_mode);  in sdhci_omap_set_ios()
644 static void sdhci_omap_start_clock(struct sdhci_omap_host *omap_host)  in sdhci_omap_start_clock()  argument
648 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_SYSCTL);  in sdhci_omap_start_clock()
650 	sdhci_omap_writel(omap_host, SDHCI_OMAP_SYSCTL, reg);  in sdhci_omap_start_clock()
653 static void sdhci_omap_stop_clock(struct sdhci_omap_host *omap_host)  in sdhci_omap_stop_clock()  argument
657 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_SYSCTL);  in sdhci_omap_stop_clock()
659 	sdhci_omap_writel(omap_host, SDHCI_OMAP_SYSCTL, reg);  in sdhci_omap_stop_clock()
665 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_set_clock()  local
668 	sdhci_omap_stop_clock(omap_host);  in sdhci_omap_set_clock()
677 	sdhci_omap_start_clock(omap_host);  in sdhci_omap_set_clock()
692 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_enable_dma()  local
694 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_enable_dma()
700 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_enable_dma()
715 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_set_bus_width()  local
718 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_set_bus_width()
723 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_set_bus_width()
733 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_init_74_clocks()  local
735 	if (omap_host->power_mode == power_mode)  in sdhci_omap_init_74_clocks()
743 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_init_74_clocks()
745 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_init_74_clocks()
746 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CMD, 0x0);  in sdhci_omap_init_74_clocks()
753 		if (sdhci_omap_readl(omap_host, SDHCI_OMAP_STAT) & INT_CC_EN)  in sdhci_omap_init_74_clocks()
760 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_init_74_clocks()
762 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_init_74_clocks()
763 	sdhci_omap_writel(omap_host, SDHCI_OMAP_STAT, INT_CC_EN);  in sdhci_omap_init_74_clocks()
773 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_set_uhs_signaling()  local
775 	sdhci_omap_stop_clock(omap_host);  in sdhci_omap_set_uhs_signaling()
777 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_set_uhs_signaling()
782 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg);  in sdhci_omap_set_uhs_signaling()
785 	sdhci_omap_start_clock(omap_host);  in sdhci_omap_set_uhs_signaling()
792 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_reset()  local
797 	if (omap_host->is_tuning)  in sdhci_omap_reset()
800 	if (omap_host->flags & SDHCI_OMAP_SPECIAL_RESET) {  in sdhci_omap_reset()
827 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_irq()  local
829 	if (omap_host->is_tuning && host->cmd && !host->data_early &&  in sdhci_omap_irq()
880 static int sdhci_omap_set_capabilities(struct sdhci_omap_host *omap_host)  in sdhci_omap_set_capabilities()  argument
884 	struct device *dev = omap_host->dev;  in sdhci_omap_set_capabilities()
894 	reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA);  in sdhci_omap_set_capabilities()
902 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CAPA, reg);  in sdhci_omap_set_capabilities()
952 *sdhci_omap_iodelay_pinctrl_state(struct sdhci_omap_host *omap_host, char *mode,  in sdhci_omap_iodelay_pinctrl_state()  argument
955 	struct device *dev = omap_host->dev;  in sdhci_omap_iodelay_pinctrl_state()
956 	char *version = omap_host->version;  in sdhci_omap_iodelay_pinctrl_state()
965 		pinctrl_state = pinctrl_lookup_state(omap_host->pinctrl, str);  in sdhci_omap_iodelay_pinctrl_state()
969 		pinctrl_state = pinctrl_lookup_state(omap_host->pinctrl, mode);  in sdhci_omap_iodelay_pinctrl_state()
981 						   *omap_host)  in sdhci_omap_config_iodelay_pinctrl_state()
983 	struct device *dev = omap_host->dev;  in sdhci_omap_config_iodelay_pinctrl_state()
984 	struct sdhci_host *host = omap_host->host;  in sdhci_omap_config_iodelay_pinctrl_state()
991 	if (!(omap_host->flags & SDHCI_OMAP_REQUIRE_IODELAY))  in sdhci_omap_config_iodelay_pinctrl_state()
1001 	omap_host->pinctrl = devm_pinctrl_get(omap_host->dev);  in sdhci_omap_config_iodelay_pinctrl_state()
1002 	if (IS_ERR(omap_host->pinctrl)) {  in sdhci_omap_config_iodelay_pinctrl_state()
1004 		return PTR_ERR(omap_host->pinctrl);  in sdhci_omap_config_iodelay_pinctrl_state()
1007 	state = pinctrl_lookup_state(omap_host->pinctrl, "default");  in sdhci_omap_config_iodelay_pinctrl_state()
1014 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "sdr104", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1019 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "ddr50", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1024 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "sdr50", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1029 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "sdr25", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1034 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "sdr12", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1039 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "ddr_1_8v", caps,  in sdhci_omap_config_iodelay_pinctrl_state()
1044 		state = sdhci_omap_iodelay_pinctrl_state(omap_host, "ddr_3_3v",  in sdhci_omap_config_iodelay_pinctrl_state()
1051 	state = sdhci_omap_iodelay_pinctrl_state(omap_host, "hs", caps,  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, "hs200_1_8v", caps2,  in sdhci_omap_config_iodelay_pinctrl_state()
1066 	omap_host->pinctrl_state = pinctrl_state;  in sdhci_omap_config_iodelay_pinctrl_state()
1088 	struct sdhci_omap_host *omap_host;  in sdhci_omap_probe()  local
1111 				sizeof(*omap_host));  in sdhci_omap_probe()
1118 	omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_probe()
1119 	omap_host->host = host;  in sdhci_omap_probe()
1120 	omap_host->base = host->ioaddr;  in sdhci_omap_probe()
1121 	omap_host->dev = dev;  in sdhci_omap_probe()
1122 	omap_host->power_mode = MMC_POWER_UNDEFINED;  in sdhci_omap_probe()
1123 	omap_host->timing = MMC_TIMING_LEGACY;  in sdhci_omap_probe()
1124 	omap_host->flags = data->flags;  in sdhci_omap_probe()
1136 		omap_host->version = "rev11";  in sdhci_omap_probe()
1160 	omap_host->pbias = devm_regulator_get_optional(dev, "pbias");  in sdhci_omap_probe()
1161 	if (IS_ERR(omap_host->pbias)) {  in sdhci_omap_probe()
1162 		ret = PTR_ERR(omap_host->pbias);  in sdhci_omap_probe()
1167 	omap_host->pbias_enabled = false;  in sdhci_omap_probe()
1182 	ret = sdhci_omap_set_capabilities(omap_host);  in sdhci_omap_probe()
1206 	ret = sdhci_omap_config_iodelay_pinctrl_state(omap_host);  in sdhci_omap_probe()
1243 static void sdhci_omap_context_save(struct sdhci_omap_host *omap_host)  in sdhci_omap_context_save()  argument
1245 	omap_host->con = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON);  in sdhci_omap_context_save()
1246 	omap_host->hctl = sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL);  in sdhci_omap_context_save()
1247 	omap_host->capa = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA);  in sdhci_omap_context_save()
1250 static void sdhci_omap_context_restore(struct sdhci_omap_host *omap_host)  in sdhci_omap_context_restore()  argument
1252 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, omap_host->con);  in sdhci_omap_context_restore()
1253 	sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, omap_host->hctl);  in sdhci_omap_context_restore()
1254 	sdhci_omap_writel(omap_host, SDHCI_OMAP_CAPA, omap_host->capa);  in sdhci_omap_context_restore()
1261 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_suspend()  local
1265 	sdhci_omap_context_save(omap_host);  in sdhci_omap_suspend()
1278 	struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);  in sdhci_omap_resume()  local
1284 	sdhci_omap_context_restore(omap_host);  in sdhci_omap_resume()