109 static struct intel_community *intel_get_community(struct intel_pinctrl *pctrl,  in intel_get_community()  argument
115 	for (i = 0; i < pctrl->ncommunities; i++) {  in intel_get_community()
116 		community = &pctrl->communities[i];  in intel_get_community()
122 	dev_warn(pctrl->dev, "failed to find community for pin %u\n", pin);  in intel_get_community()
126 static void __iomem *intel_get_padcfg(struct intel_pinctrl *pctrl, unsigned pin,  in intel_get_padcfg()  argument
132 	community = intel_get_community(pctrl, pin);  in intel_get_padcfg()
140 static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned pin)  in intel_pad_owned_by_host()  argument
146 	community = intel_get_community(pctrl, pin);  in intel_pad_owned_by_host()
161 static bool intel_pad_acpi_mode(struct intel_pinctrl *pctrl, unsigned pin)  in intel_pad_acpi_mode()  argument
167 	community = intel_get_community(pctrl, pin);  in intel_pad_acpi_mode()
181 static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin)  in intel_pad_locked()  argument
187 	community = intel_get_community(pctrl, pin);  in intel_pad_locked()
214 static bool intel_pad_usable(struct intel_pinctrl *pctrl, unsigned pin)  in intel_pad_usable()  argument
216 	return intel_pad_owned_by_host(pctrl, pin) &&  in intel_pad_usable()
217 		!intel_pad_locked(pctrl, pin);  in intel_pad_usable()
222 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_get_groups_count()  local
224 	return pctrl->soc->ngroups;  in intel_get_groups_count()
230 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_get_group_name()  local
232 	return pctrl->soc->groups[group].name;  in intel_get_group_name()
238 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_get_group_pins()  local
240 	*pins = pctrl->soc->groups[group].pins;  in intel_get_group_pins()
241 	*npins = pctrl->soc->groups[group].npins;  in intel_get_group_pins()
248 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_pin_dbg_show()  local
252 	if (!intel_pad_owned_by_host(pctrl, pin)) {  in intel_pin_dbg_show()
257 	cfg0 = readl(intel_get_padcfg(pctrl, pin, PADCFG0));  in intel_pin_dbg_show()
258 	cfg1 = readl(intel_get_padcfg(pctrl, pin, PADCFG1));  in intel_pin_dbg_show()
268 	locked = intel_pad_locked(pctrl, pin);  in intel_pin_dbg_show()
269 	acpi = intel_pad_acpi_mode(pctrl, pin);  in intel_pin_dbg_show()
293 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_get_functions_count()  local
295 	return pctrl->soc->nfunctions;  in intel_get_functions_count()
301 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_get_function_name()  local
303 	return pctrl->soc->functions[function].name;  in intel_get_function_name()
311 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_get_function_groups()  local
313 	*groups = pctrl->soc->functions[function].groups;  in intel_get_function_groups()
314 	*ngroups = pctrl->soc->functions[function].ngroups;  in intel_get_function_groups()
321 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_pinmux_set_mux()  local
322 	const struct intel_pingroup *grp = &pctrl->soc->groups[group];  in intel_pinmux_set_mux()
326 	spin_lock_irqsave(&pctrl->lock, flags);  in intel_pinmux_set_mux()
333 		if (!intel_pad_usable(pctrl, grp->pins[i])) {  in intel_pinmux_set_mux()
334 			spin_unlock_irqrestore(&pctrl->lock, flags);  in intel_pinmux_set_mux()
344 		padcfg0 = intel_get_padcfg(pctrl, grp->pins[i], PADCFG0);  in intel_pinmux_set_mux()
353 	spin_unlock_irqrestore(&pctrl->lock, flags);  in intel_pinmux_set_mux()
362 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_gpio_request_enable()  local
367 	spin_lock_irqsave(&pctrl->lock, flags);  in intel_gpio_request_enable()
369 	if (!intel_pad_usable(pctrl, pin)) {  in intel_gpio_request_enable()
370 		spin_unlock_irqrestore(&pctrl->lock, flags);  in intel_gpio_request_enable()
374 	padcfg0 = intel_get_padcfg(pctrl, pin, PADCFG0);  in intel_gpio_request_enable()
385 	spin_unlock_irqrestore(&pctrl->lock, flags);  in intel_gpio_request_enable()
394 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_gpio_set_direction()  local
399 	spin_lock_irqsave(&pctrl->lock, flags);  in intel_gpio_set_direction()
401 	padcfg0 = intel_get_padcfg(pctrl, pin, PADCFG0);  in intel_gpio_set_direction()
410 	spin_unlock_irqrestore(&pctrl->lock, flags);  in intel_gpio_set_direction()
427 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_config_get()  local
432 	if (!intel_pad_owned_by_host(pctrl, pin))  in intel_config_get()
435 	value = readl(intel_get_padcfg(pctrl, pin, PADCFG1));  in intel_config_get()
488 static int intel_config_set_pull(struct intel_pinctrl *pctrl, unsigned pin,  in intel_config_set_pull()  argument
498 	spin_lock_irqsave(&pctrl->lock, flags);  in intel_config_set_pull()
500 	padcfg1 = intel_get_padcfg(pctrl, pin, PADCFG1);  in intel_config_set_pull()
552 	spin_unlock_irqrestore(&pctrl->lock, flags);  in intel_config_set_pull()
560 	struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);  in intel_config_set()  local
563 	if (!intel_pad_usable(pctrl, pin))  in intel_config_set()
571 			ret = intel_config_set_pull(pctrl, pin, configs[i]);  in intel_config_set()
599 	struct intel_pinctrl *pctrl = gpiochip_to_pinctrl(chip);  in intel_gpio_get()  local
602 	reg = intel_get_padcfg(pctrl, offset, PADCFG0);  in intel_gpio_get()
611 	struct intel_pinctrl *pctrl = gpiochip_to_pinctrl(chip);  in intel_gpio_set()  local
614 	reg = intel_get_padcfg(pctrl, offset, PADCFG0);  in intel_gpio_set()
619 		spin_lock_irqsave(&pctrl->lock, flags);  in intel_gpio_set()
626 		spin_unlock_irqrestore(&pctrl->lock, flags);  in intel_gpio_set()
655 	struct intel_pinctrl *pctrl = gpiochip_to_pinctrl(gc);  in intel_gpio_irq_ack()  local
659 	spin_lock(&pctrl->lock);  in intel_gpio_irq_ack()
661 	community = intel_get_community(pctrl, pin);  in intel_gpio_irq_ack()
670 	spin_unlock(&pctrl->lock);  in intel_gpio_irq_ack()
676 	struct intel_pinctrl *pctrl = gpiochip_to_pinctrl(gc);  in intel_gpio_irq_mask_unmask()  local
681 	spin_lock_irqsave(&pctrl->lock, flags);  in intel_gpio_irq_mask_unmask()
683 	community = intel_get_community(pctrl, pin);  in intel_gpio_irq_mask_unmask()
700 	spin_unlock_irqrestore(&pctrl->lock, flags);  in intel_gpio_irq_mask_unmask()
716 	struct intel_pinctrl *pctrl = gpiochip_to_pinctrl(gc);  in intel_gpio_irq_type()  local
722 	reg = intel_get_padcfg(pctrl, pin, PADCFG0);  in intel_gpio_irq_type()
731 	if (intel_pad_acpi_mode(pctrl, pin)) {  in intel_gpio_irq_type()
732 		dev_warn(pctrl->dev, "pin %u cannot be used as IRQ\n", pin);  in intel_gpio_irq_type()
736 	spin_lock_irqsave(&pctrl->lock, flags);  in intel_gpio_irq_type()
762 	spin_unlock_irqrestore(&pctrl->lock, flags);  in intel_gpio_irq_type()
770 	struct intel_pinctrl *pctrl = gpiochip_to_pinctrl(gc);  in intel_gpio_irq_wake()  local
776 	community = intel_get_community(pctrl, pin);  in intel_gpio_irq_wake()
799 	dev_dbg(pctrl->dev, "%sable wake for pin %u\n", on ? "en" : "dis", pin);  in intel_gpio_irq_wake()
803 static irqreturn_t intel_gpio_community_irq_handler(struct intel_pinctrl *pctrl,  in intel_gpio_community_irq_handler()  argument
806 	struct gpio_chip *gc = &pctrl->chip;  in intel_gpio_community_irq_handler()
845 	struct intel_pinctrl *pctrl = data;  in intel_gpio_irq()  local
850 	for (i = 0; i < pctrl->ncommunities; i++) {  in intel_gpio_irq()
851 		community = &pctrl->communities[i];  in intel_gpio_irq()
852 		ret |= intel_gpio_community_irq_handler(pctrl, community);  in intel_gpio_irq()
867 static int intel_gpio_probe(struct intel_pinctrl *pctrl, int irq)  in intel_gpio_probe()  argument
871 	pctrl->chip = intel_gpio_chip;  in intel_gpio_probe()
873 	pctrl->chip.ngpio = pctrl->soc->npins;  in intel_gpio_probe()
874 	pctrl->chip.label = dev_name(pctrl->dev);  in intel_gpio_probe()
875 	pctrl->chip.dev = pctrl->dev;  in intel_gpio_probe()
876 	pctrl->chip.base = -1;  in intel_gpio_probe()
878 	ret = gpiochip_add(&pctrl->chip);  in intel_gpio_probe()
880 		dev_err(pctrl->dev, "failed to register gpiochip\n");  in intel_gpio_probe()
884 	ret = gpiochip_add_pin_range(&pctrl->chip, dev_name(pctrl->dev),  in intel_gpio_probe()
885 				     0, 0, pctrl->soc->npins);  in intel_gpio_probe()
887 		dev_err(pctrl->dev, "failed to add GPIO pin range\n");  in intel_gpio_probe()
896 	ret = devm_request_irq(pctrl->dev, irq, intel_gpio_irq, IRQF_SHARED,  in intel_gpio_probe()
897 			       dev_name(pctrl->dev), pctrl);  in intel_gpio_probe()
899 		dev_err(pctrl->dev, "failed to request interrupt\n");  in intel_gpio_probe()
903 	ret = gpiochip_irqchip_add(&pctrl->chip, &intel_gpio_irqchip, 0,  in intel_gpio_probe()
906 		dev_err(pctrl->dev, "failed to add irqchip\n");  in intel_gpio_probe()
910 	gpiochip_set_chained_irqchip(&pctrl->chip, &intel_gpio_irqchip, irq,  in intel_gpio_probe()
915 	gpiochip_remove(&pctrl->chip);  in intel_gpio_probe()
920 static int intel_pinctrl_pm_init(struct intel_pinctrl *pctrl)  in intel_pinctrl_pm_init()  argument
923 	const struct intel_pinctrl_soc_data *soc = pctrl->soc;  in intel_pinctrl_pm_init()
928 	pads = devm_kcalloc(pctrl->dev, soc->npins, sizeof(*pads), GFP_KERNEL);  in intel_pinctrl_pm_init()
932 	communities = devm_kcalloc(pctrl->dev, pctrl->ncommunities,  in intel_pinctrl_pm_init()
938 	for (i = 0; i < pctrl->ncommunities; i++) {  in intel_pinctrl_pm_init()
939 		struct intel_community *community = &pctrl->communities[i];  in intel_pinctrl_pm_init()
942 		intmask = devm_kcalloc(pctrl->dev, community->ngpps,  in intel_pinctrl_pm_init()
950 	pctrl->context.pads = pads;  in intel_pinctrl_pm_init()
951 	pctrl->context.communities = communities;  in intel_pinctrl_pm_init()
960 	struct intel_pinctrl *pctrl;  in intel_pinctrl_probe()  local
966 	pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL);  in intel_pinctrl_probe()
967 	if (!pctrl)  in intel_pinctrl_probe()
970 	pctrl->dev = &pdev->dev;  in intel_pinctrl_probe()
971 	pctrl->soc = soc_data;  in intel_pinctrl_probe()
972 	spin_lock_init(&pctrl->lock);  in intel_pinctrl_probe()
978 	pctrl->ncommunities = pctrl->soc->ncommunities;  in intel_pinctrl_probe()
979 	pctrl->communities = devm_kcalloc(&pdev->dev, pctrl->ncommunities,  in intel_pinctrl_probe()
980 				  sizeof(*pctrl->communities), GFP_KERNEL);  in intel_pinctrl_probe()
981 	if (!pctrl->communities)  in intel_pinctrl_probe()
984 	for (i = 0; i < pctrl->ncommunities; i++) {  in intel_pinctrl_probe()
985 		struct intel_community *community = &pctrl->communities[i];  in intel_pinctrl_probe()
990 		*community = pctrl->soc->communities[i];  in intel_pinctrl_probe()
1013 	ret = intel_pinctrl_pm_init(pctrl);  in intel_pinctrl_probe()
1017 	pctrl->pctldesc = intel_pinctrl_desc;  in intel_pinctrl_probe()
1018 	pctrl->pctldesc.name = dev_name(&pdev->dev);  in intel_pinctrl_probe()
1019 	pctrl->pctldesc.pins = pctrl->soc->pins;  in intel_pinctrl_probe()
1020 	pctrl->pctldesc.npins = pctrl->soc->npins;  in intel_pinctrl_probe()
1022 	pctrl->pctldev = pinctrl_register(&pctrl->pctldesc, &pdev->dev, pctrl);  in intel_pinctrl_probe()
1023 	if (IS_ERR(pctrl->pctldev)) {  in intel_pinctrl_probe()
1025 		return PTR_ERR(pctrl->pctldev);  in intel_pinctrl_probe()
1028 	ret = intel_gpio_probe(pctrl, irq);  in intel_pinctrl_probe()
1030 		pinctrl_unregister(pctrl->pctldev);  in intel_pinctrl_probe()
1034 	platform_set_drvdata(pdev, pctrl);  in intel_pinctrl_probe()
1042 	struct intel_pinctrl *pctrl = platform_get_drvdata(pdev);  in intel_pinctrl_remove()  local
1044 	gpiochip_remove(&pctrl->chip);  in intel_pinctrl_remove()
1045 	pinctrl_unregister(pctrl->pctldev);  in intel_pinctrl_remove()
1055 	struct intel_pinctrl *pctrl = platform_get_drvdata(pdev);  in intel_pinctrl_suspend()  local
1060 	pads = pctrl->context.pads;  in intel_pinctrl_suspend()
1061 	for (i = 0; i < pctrl->soc->npins; i++) {  in intel_pinctrl_suspend()
1062 		const struct pinctrl_pin_desc *desc = &pctrl->soc->pins[i];  in intel_pinctrl_suspend()
1065 		if (!intel_pad_usable(pctrl, desc->number))  in intel_pinctrl_suspend()
1068 		val = readl(intel_get_padcfg(pctrl, desc->number, PADCFG0));  in intel_pinctrl_suspend()
1070 		val = readl(intel_get_padcfg(pctrl, desc->number, PADCFG1));  in intel_pinctrl_suspend()
1074 	communities = pctrl->context.communities;  in intel_pinctrl_suspend()
1075 	for (i = 0; i < pctrl->ncommunities; i++) {  in intel_pinctrl_suspend()
1076 		struct intel_community *community = &pctrl->communities[i];  in intel_pinctrl_suspend()
1089 static void intel_gpio_irq_init(struct intel_pinctrl *pctrl)  in intel_gpio_irq_init()  argument
1093 	for (i = 0; i < pctrl->ncommunities; i++) {  in intel_gpio_irq_init()
1098 		community = &pctrl->communities[i];  in intel_gpio_irq_init()
1112 	struct intel_pinctrl *pctrl = platform_get_drvdata(pdev);  in intel_pinctrl_resume()  local
1118 	intel_gpio_irq_init(pctrl);  in intel_pinctrl_resume()
1120 	pads = pctrl->context.pads;  in intel_pinctrl_resume()
1121 	for (i = 0; i < pctrl->soc->npins; i++) {  in intel_pinctrl_resume()
1122 		const struct pinctrl_pin_desc *desc = &pctrl->soc->pins[i];  in intel_pinctrl_resume()
1126 		if (!intel_pad_usable(pctrl, desc->number))  in intel_pinctrl_resume()
1129 		padcfg = intel_get_padcfg(pctrl, desc->number, PADCFG0);  in intel_pinctrl_resume()
1137 		padcfg = intel_get_padcfg(pctrl, desc->number, PADCFG1);  in intel_pinctrl_resume()
1146 	communities = pctrl->context.communities;  in intel_pinctrl_resume()
1147 	for (i = 0; i < pctrl->ncommunities; i++) {  in intel_pinctrl_resume()
1148 		struct intel_community *community = &pctrl->communities[i];  in intel_pinctrl_resume()