46 static int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)  in ahci_platform_enable_phys()  argument
50 	for (i = 0; i < hpriv->nports; i++) {  in ahci_platform_enable_phys()
51 		rc = phy_init(hpriv->phys[i]);  in ahci_platform_enable_phys()
55 		rc = phy_set_mode(hpriv->phys[i], PHY_MODE_SATA);  in ahci_platform_enable_phys()
57 			phy_exit(hpriv->phys[i]);  in ahci_platform_enable_phys()
61 		rc = phy_power_on(hpriv->phys[i]);  in ahci_platform_enable_phys()
63 			phy_exit(hpriv->phys[i]);  in ahci_platform_enable_phys()
72 		phy_power_off(hpriv->phys[i]);  in ahci_platform_enable_phys()
73 		phy_exit(hpriv->phys[i]);  in ahci_platform_enable_phys()
84 static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)  in ahci_platform_disable_phys()  argument
88 	for (i = 0; i < hpriv->nports; i++) {  in ahci_platform_disable_phys()
89 		phy_power_off(hpriv->phys[i]);  in ahci_platform_disable_phys()
90 		phy_exit(hpriv->phys[i]);  in ahci_platform_disable_phys()
105 int ahci_platform_enable_clks(struct ahci_host_priv *hpriv)  in ahci_platform_enable_clks()  argument
109 	for (c = 0; c < AHCI_MAX_CLKS && hpriv->clks[c]; c++) {  in ahci_platform_enable_clks()
110 		rc = clk_prepare_enable(hpriv->clks[c]);  in ahci_platform_enable_clks()
118 		clk_disable_unprepare(hpriv->clks[c]);  in ahci_platform_enable_clks()
130 void ahci_platform_disable_clks(struct ahci_host_priv *hpriv)  in ahci_platform_disable_clks()  argument
135 		if (hpriv->clks[c])  in ahci_platform_disable_clks()
136 			clk_disable_unprepare(hpriv->clks[c]);  in ahci_platform_disable_clks()
152 int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv)  in ahci_platform_enable_regulators()  argument
156 	rc = regulator_enable(hpriv->ahci_regulator);  in ahci_platform_enable_regulators()
160 	rc = regulator_enable(hpriv->phy_regulator);  in ahci_platform_enable_regulators()
164 	for (i = 0; i < hpriv->nports; i++) {  in ahci_platform_enable_regulators()
165 		if (!hpriv->target_pwrs[i])  in ahci_platform_enable_regulators()
168 		rc = regulator_enable(hpriv->target_pwrs[i]);  in ahci_platform_enable_regulators()
177 		if (hpriv->target_pwrs[i])  in ahci_platform_enable_regulators()
178 			regulator_disable(hpriv->target_pwrs[i]);  in ahci_platform_enable_regulators()
180 	regulator_disable(hpriv->phy_regulator);  in ahci_platform_enable_regulators()
182 	regulator_disable(hpriv->ahci_regulator);  in ahci_platform_enable_regulators()
194 void ahci_platform_disable_regulators(struct ahci_host_priv *hpriv)  in ahci_platform_disable_regulators()  argument
198 	for (i = 0; i < hpriv->nports; i++) {  in ahci_platform_disable_regulators()
199 		if (!hpriv->target_pwrs[i])  in ahci_platform_disable_regulators()
201 		regulator_disable(hpriv->target_pwrs[i]);  in ahci_platform_disable_regulators()
204 	regulator_disable(hpriv->ahci_regulator);  in ahci_platform_disable_regulators()
205 	regulator_disable(hpriv->phy_regulator);  in ahci_platform_disable_regulators()
225 int ahci_platform_enable_resources(struct ahci_host_priv *hpriv)  in ahci_platform_enable_resources()  argument
229 	rc = ahci_platform_enable_regulators(hpriv);  in ahci_platform_enable_resources()
233 	rc = ahci_platform_enable_clks(hpriv);  in ahci_platform_enable_resources()
237 	rc = reset_control_deassert(hpriv->rsts);  in ahci_platform_enable_resources()
241 	rc = ahci_platform_enable_phys(hpriv);  in ahci_platform_enable_resources()
248 	reset_control_assert(hpriv->rsts);  in ahci_platform_enable_resources()
251 	ahci_platform_disable_clks(hpriv);  in ahci_platform_enable_resources()
254 	ahci_platform_disable_regulators(hpriv);  in ahci_platform_enable_resources()
271 void ahci_platform_disable_resources(struct ahci_host_priv *hpriv)  in ahci_platform_disable_resources()  argument
273 	ahci_platform_disable_phys(hpriv);  in ahci_platform_disable_resources()
275 	reset_control_assert(hpriv->rsts);  in ahci_platform_disable_resources()
277 	ahci_platform_disable_clks(hpriv);  in ahci_platform_disable_resources()
279 	ahci_platform_disable_regulators(hpriv);  in ahci_platform_disable_resources()
285 	struct ahci_host_priv *hpriv = res;  in ahci_platform_put_resources()  local
288 	if (hpriv->got_runtime_pm) {  in ahci_platform_put_resources()
293 	for (c = 0; c < AHCI_MAX_CLKS && hpriv->clks[c]; c++)  in ahci_platform_put_resources()
294 		clk_put(hpriv->clks[c]);  in ahci_platform_put_resources()
300 	for (c = 0; c < hpriv->nports; c++)  in ahci_platform_put_resources()
301 		if (hpriv->target_pwrs && hpriv->target_pwrs[c])  in ahci_platform_put_resources()
302 			regulator_put(hpriv->target_pwrs[c]);  in ahci_platform_put_resources()
304 	kfree(hpriv->target_pwrs);  in ahci_platform_put_resources()
307 static int ahci_platform_get_phy(struct ahci_host_priv *hpriv, u32 port,  in ahci_platform_get_phy()  argument
312 	hpriv->phys[port] = devm_of_phy_get(dev, node, NULL);  in ahci_platform_get_phy()
314 	if (!IS_ERR(hpriv->phys[port]))  in ahci_platform_get_phy()
317 	rc = PTR_ERR(hpriv->phys[port]);  in ahci_platform_get_phy()
330 		hpriv->phys[port] = NULL;  in ahci_platform_get_phy()
348 static int ahci_platform_get_regulator(struct ahci_host_priv *hpriv, u32 port,  in ahci_platform_get_regulator()  argument
357 		hpriv->target_pwrs[port] = target_pwr;  in ahci_platform_get_regulator()
387 	struct ahci_host_priv *hpriv;  in ahci_platform_get_resources()  local
396 	hpriv = devres_alloc(ahci_platform_put_resources, sizeof(*hpriv),  in ahci_platform_get_resources()
398 	if (!hpriv)  in ahci_platform_get_resources()
401 	devres_add(dev, hpriv);  in ahci_platform_get_resources()
403 	hpriv->mmio = devm_ioremap_resource(dev,  in ahci_platform_get_resources()
405 	if (IS_ERR(hpriv->mmio)) {  in ahci_platform_get_resources()
406 		rc = PTR_ERR(hpriv->mmio);  in ahci_platform_get_resources()
428 		hpriv->clks[i] = clk;  in ahci_platform_get_resources()
431 	hpriv->ahci_regulator = devm_regulator_get(dev, "ahci");  in ahci_platform_get_resources()
432 	if (IS_ERR(hpriv->ahci_regulator)) {  in ahci_platform_get_resources()
433 		rc = PTR_ERR(hpriv->ahci_regulator);  in ahci_platform_get_resources()
438 	hpriv->phy_regulator = devm_regulator_get(dev, "phy");  in ahci_platform_get_resources()
439 	if (IS_ERR(hpriv->phy_regulator)) {  in ahci_platform_get_resources()
440 		rc = PTR_ERR(hpriv->phy_regulator);  in ahci_platform_get_resources()
444 		hpriv->phy_regulator = NULL;  in ahci_platform_get_resources()
448 		hpriv->rsts = devm_reset_control_array_get_optional_shared(dev);  in ahci_platform_get_resources()
449 		if (IS_ERR(hpriv->rsts)) {  in ahci_platform_get_resources()
450 			rc = PTR_ERR(hpriv->rsts);  in ahci_platform_get_resources()
455 	hpriv->nports = child_nodes = of_get_child_count(dev->of_node);  in ahci_platform_get_resources()
463 		hpriv->nports = 1;  in ahci_platform_get_resources()
465 	hpriv->phys = devm_kcalloc(dev, hpriv->nports, sizeof(*hpriv->phys), GFP_KERNEL);  in ahci_platform_get_resources()
466 	if (!hpriv->phys) {  in ahci_platform_get_resources()
474 	hpriv->target_pwrs = kcalloc(hpriv->nports, sizeof(*hpriv->target_pwrs), GFP_KERNEL);  in ahci_platform_get_resources()
475 	if (!hpriv->target_pwrs) {  in ahci_platform_get_resources()
494 			if (port >= hpriv->nports) {  in ahci_platform_get_resources()
506 				rc = ahci_platform_get_regulator(hpriv, port,  in ahci_platform_get_resources()
515 			rc = ahci_platform_get_phy(hpriv, port, dev, child);  in ahci_platform_get_resources()
529 		if (!hpriv->mask_port_map)  in ahci_platform_get_resources()
530 			hpriv->mask_port_map = mask_port_map;  in ahci_platform_get_resources()
536 		rc = ahci_platform_get_phy(hpriv, 0, dev, dev->of_node);  in ahci_platform_get_resources()
540 		rc = ahci_platform_get_regulator(hpriv, 0, dev);  in ahci_platform_get_resources()
546 	hpriv->got_runtime_pm = true;  in ahci_platform_get_resources()
549 	return hpriv;  in ahci_platform_get_resources()
572 			    struct ahci_host_priv *hpriv,  in ahci_platform_init_host()  argument
589 	hpriv->irq = irq;  in ahci_platform_init_host()
592 	pi.private_data = (void *)(unsigned long)hpriv->flags;  in ahci_platform_init_host()
594 	ahci_save_initial_config(dev, hpriv);  in ahci_platform_init_host()
596 	if (hpriv->cap & HOST_CAP_NCQ)  in ahci_platform_init_host()
599 	if (hpriv->cap & HOST_CAP_PMP)  in ahci_platform_init_host()
602 	ahci_set_em_messages(hpriv, &pi);  in ahci_platform_init_host()
609 	n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));  in ahci_platform_init_host()
615 	host->private_data = hpriv;  in ahci_platform_init_host()
617 	if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)  in ahci_platform_init_host()
634 			ap->em_message_type = hpriv->em_msg_type;  in ahci_platform_init_host()
637 		if (!(hpriv->port_map & (1 << i)))  in ahci_platform_init_host()
641 	if (hpriv->cap & HOST_CAP_64) {  in ahci_platform_init_host()
667 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_host_stop()  local
669 	ahci_platform_disable_resources(hpriv);  in ahci_host_stop()
683 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_platform_shutdown()  local
684 	void __iomem *mmio = hpriv->mmio;  in ahci_platform_shutdown()
721 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_platform_suspend_host()  local
722 	void __iomem *mmio = hpriv->mmio;  in ahci_platform_suspend_host()
725 	if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {  in ahci_platform_suspend_host()
740 	if (hpriv->flags & AHCI_HFLAG_SUSPEND_PHYS)  in ahci_platform_suspend_host()
741 		ahci_platform_disable_phys(hpriv);  in ahci_platform_suspend_host()
761 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_platform_resume_host()  local
772 	if (hpriv->flags & AHCI_HFLAG_SUSPEND_PHYS)  in ahci_platform_resume_host()
773 		ahci_platform_enable_phys(hpriv);  in ahci_platform_resume_host()
794 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_platform_suspend()  local
801 	ahci_platform_disable_resources(hpriv);  in ahci_platform_suspend()
820 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_platform_resume()  local
823 	rc = ahci_platform_enable_resources(hpriv);  in ahci_platform_resume()
839 	ahci_platform_disable_resources(hpriv);  in ahci_platform_resume()