100 static void hw_alloc_regmap(struct ci_hdrc *ci, bool is_lpm)  in hw_alloc_regmap()  argument
105 		ci->hw_bank.regmap[i] =  in hw_alloc_regmap()
106 			(i <= CAP_LAST ? ci->hw_bank.cap : ci->hw_bank.op) +  in hw_alloc_regmap()
110 		ci->hw_bank.regmap[i] = ci->hw_bank.op +  in hw_alloc_regmap()
118 static enum ci_revision ci_get_revision(struct ci_hdrc *ci)  in ci_get_revision()  argument
120 	int ver = hw_read_id_reg(ci, ID_ID, VERSION) >> __ffs(VERSION);  in ci_get_revision()
124 		rev = hw_read_id_reg(ci, ID_ID, REVISION)  in ci_get_revision()
141 u32 hw_read_intr_enable(struct ci_hdrc *ci)  in hw_read_intr_enable()  argument
143 	return hw_read(ci, OP_USBINTR, ~0);  in hw_read_intr_enable()
153 u32 hw_read_intr_status(struct ci_hdrc *ci)  in hw_read_intr_status()  argument
155 	return hw_read(ci, OP_USBSTS, ~0);  in hw_read_intr_status()
165 int hw_port_test_set(struct ci_hdrc *ci, u8 mode)  in hw_port_test_set()  argument
172 	hw_write(ci, OP_PORTSC, PORTSC_PTC, mode << __ffs(PORTSC_PTC));  in hw_port_test_set()
183 u8 hw_port_test_get(struct ci_hdrc *ci)  in hw_port_test_get()  argument
185 	return hw_read(ci, OP_PORTSC, PORTSC_PTC) >> __ffs(PORTSC_PTC);  in hw_port_test_get()
200 static void ci_hdrc_enter_lpm_common(struct ci_hdrc *ci, bool enable)  in ci_hdrc_enter_lpm_common()  argument
202 	enum ci_hw_regs reg = ci->hw_bank.lpm ? OP_DEVLC : OP_PORTSC;  in ci_hdrc_enter_lpm_common()
203 	bool lpm = !!(hw_read(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm)));  in ci_hdrc_enter_lpm_common()
206 		hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm),  in ci_hdrc_enter_lpm_common()
207 				PORTSC_PHCD(ci->hw_bank.lpm));  in ci_hdrc_enter_lpm_common()
209 		hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm),  in ci_hdrc_enter_lpm_common()
213 static void ci_hdrc_enter_lpm(struct ci_hdrc *ci, bool enable)  in ci_hdrc_enter_lpm()  argument
215 	return ci->platdata->enter_lpm(ci, enable);  in ci_hdrc_enter_lpm()
218 static int hw_device_init(struct ci_hdrc *ci, void __iomem *base)  in hw_device_init()  argument
223 	ci->hw_bank.abs = base;  in hw_device_init()
225 	ci->hw_bank.cap = ci->hw_bank.abs;  in hw_device_init()
226 	ci->hw_bank.cap += ci->platdata->capoffset;  in hw_device_init()
227 	ci->hw_bank.op = ci->hw_bank.cap + (ioread32(ci->hw_bank.cap) & 0xff);  in hw_device_init()
229 	hw_alloc_regmap(ci, false);  in hw_device_init()
230 	reg = hw_read(ci, CAP_HCCPARAMS, HCCPARAMS_LEN) >>  in hw_device_init()
232 	ci->hw_bank.lpm  = reg;  in hw_device_init()
234 		hw_alloc_regmap(ci, !!reg);  in hw_device_init()
235 	ci->hw_bank.size = ci->hw_bank.op - ci->hw_bank.abs;  in hw_device_init()
236 	ci->hw_bank.size += OP_LAST;  in hw_device_init()
237 	ci->hw_bank.size /= sizeof(u32);  in hw_device_init()
239 	reg = hw_read(ci, CAP_DCCPARAMS, DCCPARAMS_DEN) >>  in hw_device_init()
241 	ci->hw_ep_max = reg * 2;   /* cache hw ENDPT_MAX */  in hw_device_init()
243 	if (ci->hw_ep_max > ENDPT_MAX)  in hw_device_init()
246 	ci_hdrc_enter_lpm(ci, false);  in hw_device_init()
249 	hw_write(ci, OP_USBINTR, 0xffffffff, 0);  in hw_device_init()
252 	hw_write(ci, OP_USBSTS, 0xffffffff, 0xffffffff);  in hw_device_init()
254 	ci->rev = ci_get_revision(ci);  in hw_device_init()
256 	dev_dbg(ci->dev,  in hw_device_init()
258 		ci->rev, ci->hw_bank.lpm, ci->hw_bank.cap, ci->hw_bank.op);  in hw_device_init()
269 void hw_phymode_configure(struct ci_hdrc *ci)  in hw_phymode_configure()  argument
273 	switch (ci->platdata->phy_mode) {  in hw_phymode_configure()
299 	if (ci->hw_bank.lpm) {  in hw_phymode_configure()
300 		hw_write(ci, OP_DEVLC, DEVLC_PTS(7) | DEVLC_PTW, lpm);  in hw_phymode_configure()
302 			hw_write(ci, OP_DEVLC, DEVLC_STS, DEVLC_STS);  in hw_phymode_configure()
304 		hw_write(ci, OP_PORTSC, PORTSC_PTS(7) | PORTSC_PTW, portsc);  in hw_phymode_configure()
306 			hw_write(ci, OP_PORTSC, PORTSC_STS, PORTSC_STS);  in hw_phymode_configure()
318 static int _ci_usb_phy_init(struct ci_hdrc *ci)  in _ci_usb_phy_init()  argument
322 	if (ci->phy) {  in _ci_usb_phy_init()
323 		ret = phy_init(ci->phy);  in _ci_usb_phy_init()
327 		ret = phy_power_on(ci->phy);  in _ci_usb_phy_init()
329 			phy_exit(ci->phy);  in _ci_usb_phy_init()
333 		ret = usb_phy_init(ci->usb_phy);  in _ci_usb_phy_init()
344 static void ci_usb_phy_exit(struct ci_hdrc *ci)  in ci_usb_phy_exit()  argument
346 	if (ci->platdata->flags & CI_HDRC_OVERRIDE_PHY_CONTROL)  in ci_usb_phy_exit()
349 	if (ci->phy) {  in ci_usb_phy_exit()
350 		phy_power_off(ci->phy);  in ci_usb_phy_exit()
351 		phy_exit(ci->phy);  in ci_usb_phy_exit()
353 		usb_phy_shutdown(ci->usb_phy);  in ci_usb_phy_exit()
363 static int ci_usb_phy_init(struct ci_hdrc *ci)  in ci_usb_phy_init()  argument
367 	if (ci->platdata->flags & CI_HDRC_OVERRIDE_PHY_CONTROL)  in ci_usb_phy_init()
370 	switch (ci->platdata->phy_mode) {  in ci_usb_phy_init()
374 		ret = _ci_usb_phy_init(ci);  in ci_usb_phy_init()
379 		hw_phymode_configure(ci);  in ci_usb_phy_init()
383 		hw_phymode_configure(ci);  in ci_usb_phy_init()
384 		ret = _ci_usb_phy_init(ci);  in ci_usb_phy_init()
389 		ret = _ci_usb_phy_init(ci);  in ci_usb_phy_init()
403 void ci_platform_configure(struct ci_hdrc *ci)  in ci_platform_configure()  argument
407 	is_device_mode = hw_read(ci, OP_USBMODE, USBMODE_CM) == USBMODE_CM_DC;  in ci_platform_configure()
408 	is_host_mode = hw_read(ci, OP_USBMODE, USBMODE_CM) == USBMODE_CM_HC;  in ci_platform_configure()
411 		phy_set_mode(ci->phy, PHY_MODE_USB_DEVICE);  in ci_platform_configure()
413 		if (ci->platdata->flags & CI_HDRC_DISABLE_DEVICE_STREAMING)  in ci_platform_configure()
414 			hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS,  in ci_platform_configure()
419 		phy_set_mode(ci->phy, PHY_MODE_USB_HOST);  in ci_platform_configure()
421 		if (ci->platdata->flags & CI_HDRC_DISABLE_HOST_STREAMING)  in ci_platform_configure()
422 			hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS,  in ci_platform_configure()
426 	if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED) {  in ci_platform_configure()
427 		if (ci->hw_bank.lpm)  in ci_platform_configure()
428 			hw_write(ci, OP_DEVLC, DEVLC_PFSC, DEVLC_PFSC);  in ci_platform_configure()
430 			hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC);  in ci_platform_configure()
433 	if (ci->platdata->flags & CI_HDRC_SET_NON_ZERO_TTHA)  in ci_platform_configure()
434 		hw_write(ci, OP_TTCTRL, TTCTRL_TTHA_MASK, TTCTRL_TTHA);  in ci_platform_configure()
436 	hw_write(ci, OP_USBCMD, 0xff0000, ci->platdata->itc_setting << 16);  in ci_platform_configure()
438 	if (ci->platdata->flags & CI_HDRC_OVERRIDE_AHB_BURST)  in ci_platform_configure()
439 		hw_write_id_reg(ci, ID_SBUSCFG, AHBBRST_MASK,  in ci_platform_configure()
440 			ci->platdata->ahb_burst_config);  in ci_platform_configure()
443 	if (!hw_read_id_reg(ci, ID_SBUSCFG, AHBBRST_MASK)) {  in ci_platform_configure()
444 		if (ci->platdata->flags & CI_HDRC_OVERRIDE_TX_BURST)  in ci_platform_configure()
445 			hw_write(ci, OP_BURSTSIZE, TX_BURST_MASK,  in ci_platform_configure()
446 			ci->platdata->tx_burst_size << __ffs(TX_BURST_MASK));  in ci_platform_configure()
448 		if (ci->platdata->flags & CI_HDRC_OVERRIDE_RX_BURST)  in ci_platform_configure()
449 			hw_write(ci, OP_BURSTSIZE, RX_BURST_MASK,  in ci_platform_configure()
450 				ci->platdata->rx_burst_size);  in ci_platform_configure()
460 static int hw_controller_reset(struct ci_hdrc *ci)  in hw_controller_reset()  argument
464 	hw_write(ci, OP_USBCMD, USBCMD_RST, USBCMD_RST);  in hw_controller_reset()
465 	while (hw_read(ci, OP_USBCMD, USBCMD_RST)) {  in hw_controller_reset()
480 int hw_device_reset(struct ci_hdrc *ci)  in hw_device_reset()  argument
485 	hw_write(ci, OP_ENDPTFLUSH, ~0, ~0);  in hw_device_reset()
486 	hw_write(ci, OP_USBCMD, USBCMD_RS, 0);  in hw_device_reset()
488 	ret = hw_controller_reset(ci);  in hw_device_reset()
490 		dev_err(ci->dev, "error resetting controller, ret=%d\n", ret);  in hw_device_reset()
494 	if (ci->platdata->notify_event) {  in hw_device_reset()
495 		ret = ci->platdata->notify_event(ci,  in hw_device_reset()
502 	hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_IDLE);  in hw_device_reset()
503 	hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_DC);  in hw_device_reset()
505 	hw_write(ci, OP_USBMODE, USBMODE_SLOM, USBMODE_SLOM);  in hw_device_reset()
507 	if (hw_read(ci, OP_USBMODE, USBMODE_CM) != USBMODE_CM_DC) {  in hw_device_reset()
508 		dev_err(ci->dev, "cannot enter in %s device mode\n",  in hw_device_reset()
509 			ci_role(ci)->name);  in hw_device_reset()
510 		dev_err(ci->dev, "lpm = %i\n", ci->hw_bank.lpm);  in hw_device_reset()
514 	ci_platform_configure(ci);  in hw_device_reset()
521 	struct ci_hdrc *ci = data;  in ci_irq_handler()  local
525 	if (ci->in_lpm) {  in ci_irq_handler()
530 		if (ci->wakeup_int)  in ci_irq_handler()
534 		ci->wakeup_int = true;  in ci_irq_handler()
535 		pm_runtime_get(ci->dev);  in ci_irq_handler()
539 	if (ci->is_otg) {  in ci_irq_handler()
540 		otgsc = hw_read_otgsc(ci, ~0);  in ci_irq_handler()
541 		if (ci_otg_is_fsm_mode(ci)) {  in ci_irq_handler()
542 			ret = ci_otg_fsm_irq(ci);  in ci_irq_handler()
552 	if (ci->is_otg && (otgsc & OTGSC_IDIE) && (otgsc & OTGSC_IDIS)) {  in ci_irq_handler()
553 		ci->id_event = true;  in ci_irq_handler()
555 		hw_write_otgsc(ci, OTGSC_IDIS, OTGSC_IDIS);  in ci_irq_handler()
556 		ci_otg_queue_work(ci);  in ci_irq_handler()
564 	if (ci->is_otg && (otgsc & OTGSC_BSVIE) && (otgsc & OTGSC_BSVIS)) {  in ci_irq_handler()
565 		ci->b_sess_valid_event = true;  in ci_irq_handler()
567 		hw_write_otgsc(ci, OTGSC_BSVIS, OTGSC_BSVIS);  in ci_irq_handler()
568 		ci_otg_queue_work(ci);  in ci_irq_handler()
573 	if (ci->role != CI_ROLE_END)  in ci_irq_handler()
574 		ret = ci_role(ci)->irq(ci);  in ci_irq_handler()
579 static void ci_irq(struct ci_hdrc *ci)  in ci_irq()  argument
584 	ci_irq_handler(ci->irq, ci);  in ci_irq()
592 	struct ci_hdrc *ci = cbl->ci;  in ci_cable_notifier()  local
597 	ci_irq(ci);  in ci_cable_notifier()
603 	struct ci_hdrc *ci = usb_role_switch_get_drvdata(sw);  in ci_usb_role_switch_get()  local
607 	spin_lock_irqsave(&ci->lock, flags);  in ci_usb_role_switch_get()
608 	role = ci_role_to_usb_role(ci);  in ci_usb_role_switch_get()
609 	spin_unlock_irqrestore(&ci->lock, flags);  in ci_usb_role_switch_get()
617 	struct ci_hdrc *ci = usb_role_switch_get_drvdata(sw);  in ci_usb_role_switch_set()  local
621 		cable = &ci->platdata->id_extcon;  in ci_usb_role_switch_set()
624 		cable = &ci->platdata->vbus_extcon;  in ci_usb_role_switch_set()
628 		cable = &ci->platdata->id_extcon;  in ci_usb_role_switch_set()
631 		cable = &ci->platdata->vbus_extcon;  in ci_usb_role_switch_set()
635 		cable = &ci->platdata->id_extcon;  in ci_usb_role_switch_set()
638 		cable = &ci->platdata->vbus_extcon;  in ci_usb_role_switch_set()
643 	ci_irq(ci);  in ci_usb_role_switch_set()
647 static enum ci_role ci_get_role(struct ci_hdrc *ci)  in ci_get_role()  argument
651 	if (ci->roles[CI_ROLE_HOST] && ci->roles[CI_ROLE_GADGET]) {  in ci_get_role()
652 		if (ci->is_otg) {  in ci_get_role()
653 			role = ci_otg_role(ci);  in ci_get_role()
654 			hw_write_otgsc(ci, OTGSC_IDIE, OTGSC_IDIE);  in ci_get_role()
664 		role = ci->roles[CI_ROLE_HOST] ? CI_ROLE_HOST  in ci_get_role()
829 static int ci_extcon_register(struct ci_hdrc *ci)  in ci_extcon_register()  argument
834 	id = &ci->platdata->id_extcon;  in ci_extcon_register()
835 	id->ci = ci;  in ci_extcon_register()
837 		ret = devm_extcon_register_notifier(ci->dev, id->edev,  in ci_extcon_register()
840 			dev_err(ci->dev, "register ID failed\n");  in ci_extcon_register()
845 	vbus = &ci->platdata->vbus_extcon;  in ci_extcon_register()
846 	vbus->ci = ci;  in ci_extcon_register()
848 		ret = devm_extcon_register_notifier(ci->dev, vbus->edev,  in ci_extcon_register()
851 			dev_err(ci->dev, "register VBUS failed\n");  in ci_extcon_register()
861 	struct ci_hdrc *ci = container_of(work, struct ci_hdrc, power_lost_work);  in ci_power_lost_work()  local
864 	disable_irq_nosync(ci->irq);  in ci_power_lost_work()
865 	pm_runtime_get_sync(ci->dev);  in ci_power_lost_work()
866 	if (!ci_otg_is_fsm_mode(ci)) {  in ci_power_lost_work()
867 		role = ci_get_role(ci);  in ci_power_lost_work()
869 		if (ci->role != role) {  in ci_power_lost_work()
870 			ci_handle_id_switch(ci);  in ci_power_lost_work()
872 			if (ci->is_otg && hw_read_otgsc(ci, OTGSC_BSV))  in ci_power_lost_work()
873 				usb_gadget_vbus_connect(&ci->gadget);  in ci_power_lost_work()
876 	pm_runtime_put_sync(ci->dev);  in ci_power_lost_work()
877 	enable_irq(ci->irq);  in ci_power_lost_work()
948 	struct ci_hdrc *ci = platform_get_drvdata(pdev);  in ci_hdrc_query_available_role()  local
950 	if (!ci)  in ci_hdrc_query_available_role()
952 	if (ci->roles[CI_ROLE_HOST] && ci->roles[CI_ROLE_GADGET])  in ci_hdrc_query_available_role()
954 	else if (ci->roles[CI_ROLE_HOST])  in ci_hdrc_query_available_role()
956 	else if (ci->roles[CI_ROLE_GADGET])  in ci_hdrc_query_available_role()
963 static inline void ci_role_destroy(struct ci_hdrc *ci)  in ci_role_destroy()  argument
965 	ci_hdrc_gadget_destroy(ci);  in ci_role_destroy()
966 	ci_hdrc_host_destroy(ci);  in ci_role_destroy()
967 	if (ci->is_otg && ci->roles[CI_ROLE_GADGET])  in ci_role_destroy()
968 		ci_hdrc_otg_destroy(ci);  in ci_role_destroy()
971 static void ci_get_otg_capable(struct ci_hdrc *ci)  in ci_get_otg_capable()  argument
973 	if (ci->platdata->flags & CI_HDRC_DUAL_ROLE_NOT_OTG)  in ci_get_otg_capable()
974 		ci->is_otg = false;  in ci_get_otg_capable()
976 		ci->is_otg = (hw_read(ci, CAP_DCCPARAMS,  in ci_get_otg_capable()
979 	if (ci->is_otg) {  in ci_get_otg_capable()
980 		dev_dbg(ci->dev, "It is OTG capable controller\n");  in ci_get_otg_capable()
982 		hw_write_otgsc(ci, OTGSC_INT_EN_BITS | OTGSC_INT_STATUS_BITS,  in ci_get_otg_capable()
990 	struct ci_hdrc *ci = dev_get_drvdata(dev);  in role_show()  local
992 	if (ci->role != CI_ROLE_END)  in role_show()
993 		return sprintf(buf, "%s\n", ci_role(ci)->name);  in role_show()
1001 	struct ci_hdrc *ci = dev_get_drvdata(dev);  in role_store()  local
1005 	if (!(ci->roles[CI_ROLE_HOST] && ci->roles[CI_ROLE_GADGET])) {  in role_store()
1011 		if (!strncmp(buf, ci->roles[role]->name,  in role_store()
1012 			     strlen(ci->roles[role]->name)))  in role_store()
1018 	mutex_lock(&ci->mutex);  in role_store()
1020 	if (role == ci->role) {  in role_store()
1021 		mutex_unlock(&ci->mutex);  in role_store()
1026 	disable_irq(ci->irq);  in role_store()
1027 	ci_role_stop(ci);  in role_store()
1028 	ret = ci_role_start(ci, role);  in role_store()
1029 	if (!ret && ci->role == CI_ROLE_GADGET)  in role_store()
1030 		ci_handle_vbus_change(ci);  in role_store()
1031 	enable_irq(ci->irq);  in role_store()
1033 	mutex_unlock(&ci->mutex);  in role_store()
1043 ATTRIBUTE_GROUPS(ci);
1048 	struct ci_hdrc	*ci;  in ci_hdrc_probe()  local
1063 	ci = devm_kzalloc(dev, sizeof(*ci), GFP_KERNEL);  in ci_hdrc_probe()
1064 	if (!ci)  in ci_hdrc_probe()
1067 	spin_lock_init(&ci->lock);  in ci_hdrc_probe()
1068 	mutex_init(&ci->mutex);  in ci_hdrc_probe()
1069 	INIT_WORK(&ci->power_lost_work, ci_power_lost_work);  in ci_hdrc_probe()
1071 	ci->dev = dev;  in ci_hdrc_probe()
1072 	ci->platdata = dev_get_platdata(dev);  in ci_hdrc_probe()
1073 	ci->imx28_write_fix = !!(ci->platdata->flags &  in ci_hdrc_probe()
1075 	ci->supports_runtime_pm = !!(ci->platdata->flags &  in ci_hdrc_probe()
1077 	ci->has_portsc_pec_bug = !!(ci->platdata->flags &  in ci_hdrc_probe()
1079 	ci->has_short_pkt_limit = !!(ci->platdata->flags &  in ci_hdrc_probe()
1081 	platform_set_drvdata(pdev, ci);  in ci_hdrc_probe()
1083 	ret = hw_device_init(ci, base);  in ci_hdrc_probe()
1089 	ret = ci_ulpi_init(ci);  in ci_hdrc_probe()
1093 	if (ci->platdata->phy) {  in ci_hdrc_probe()
1094 		ci->phy = ci->platdata->phy;  in ci_hdrc_probe()
1095 	} else if (ci->platdata->usb_phy) {  in ci_hdrc_probe()
1096 		ci->usb_phy = ci->platdata->usb_phy;  in ci_hdrc_probe()
1099 		ci->phy = devm_phy_get(dev->parent, "usb-phy");  in ci_hdrc_probe()
1101 		if (PTR_ERR(ci->phy) == -EPROBE_DEFER) {  in ci_hdrc_probe()
1104 		} else if (IS_ERR(ci->phy)) {  in ci_hdrc_probe()
1105 			ci->phy = NULL;  in ci_hdrc_probe()
1109 		if (!ci->phy) {  in ci_hdrc_probe()
1110 			ci->usb_phy = devm_usb_get_phy_by_phandle(dev->parent,  in ci_hdrc_probe()
1113 			if (PTR_ERR(ci->usb_phy) == -EPROBE_DEFER) {  in ci_hdrc_probe()
1116 			} else if (IS_ERR(ci->usb_phy)) {  in ci_hdrc_probe()
1117 				ci->usb_phy = NULL;  in ci_hdrc_probe()
1122 		if (!ci->phy && !ci->usb_phy) {  in ci_hdrc_probe()
1123 			ci->usb_phy = devm_usb_get_phy(dev->parent,  in ci_hdrc_probe()
1126 			if (PTR_ERR(ci->usb_phy) == -EPROBE_DEFER) {  in ci_hdrc_probe()
1129 			} else if (IS_ERR(ci->usb_phy)) {  in ci_hdrc_probe()
1130 				ci->usb_phy = NULL;  in ci_hdrc_probe()
1135 		if (!ci->phy && !ci->usb_phy) {  in ci_hdrc_probe()
1141 	ret = ci_usb_phy_init(ci);  in ci_hdrc_probe()
1147 	ci->hw_bank.phys = res->start;  in ci_hdrc_probe()
1149 	ci->irq = platform_get_irq(pdev, 0);  in ci_hdrc_probe()
1150 	if (ci->irq < 0) {  in ci_hdrc_probe()
1151 		ret = ci->irq;  in ci_hdrc_probe()
1155 	ci_get_otg_capable(ci);  in ci_hdrc_probe()
1157 	dr_mode = ci->platdata->dr_mode;  in ci_hdrc_probe()
1160 		ret = ci_hdrc_host_init(ci);  in ci_hdrc_probe()
1170 		ret = ci_hdrc_gadget_init(ci);  in ci_hdrc_probe()
1179 	if (!ci->roles[CI_ROLE_HOST] && !ci->roles[CI_ROLE_GADGET]) {  in ci_hdrc_probe()
1185 	if (ci->is_otg && ci->roles[CI_ROLE_GADGET]) {  in ci_hdrc_probe()
1186 		ret = ci_hdrc_otg_init(ci);  in ci_hdrc_probe()
1194 		ci_role_switch.driver_data = ci;  in ci_hdrc_probe()
1195 		ci->role_switch = usb_role_switch_register(dev,  in ci_hdrc_probe()
1197 		if (IS_ERR(ci->role_switch)) {  in ci_hdrc_probe()
1198 			ret = PTR_ERR(ci->role_switch);  in ci_hdrc_probe()
1203 	ci->role = ci_get_role(ci);  in ci_hdrc_probe()
1204 	if (!ci_otg_is_fsm_mode(ci)) {  in ci_hdrc_probe()
1206 		if (ci->role == CI_ROLE_GADGET) {  in ci_hdrc_probe()
1208 			hw_write(ci, OP_USBCMD, USBCMD_RS, 0);  in ci_hdrc_probe()
1209 			ci_handle_vbus_change(ci);  in ci_hdrc_probe()
1212 		ret = ci_role_start(ci, ci->role);  in ci_hdrc_probe()
1215 						ci_role(ci)->name);  in ci_hdrc_probe()
1220 	ret = devm_request_irq(dev, ci->irq, ci_irq_handler, IRQF_SHARED,  in ci_hdrc_probe()
1221 			ci->platdata->name, ci);  in ci_hdrc_probe()
1225 	ret = ci_extcon_register(ci);  in ci_hdrc_probe()
1229 	if (ci->supports_runtime_pm) {  in ci_hdrc_probe()
1233 		pm_runtime_mark_last_busy(ci->dev);  in ci_hdrc_probe()
1237 	if (ci_otg_is_fsm_mode(ci))  in ci_hdrc_probe()
1238 		ci_hdrc_otg_fsm_start(ci);  in ci_hdrc_probe()
1241 	dbg_create_files(ci);  in ci_hdrc_probe()
1246 	if (ci->role_switch)  in ci_hdrc_probe()
1247 		usb_role_switch_unregister(ci->role_switch);  in ci_hdrc_probe()
1249 	if (ci->is_otg && ci->roles[CI_ROLE_GADGET])  in ci_hdrc_probe()
1250 		ci_hdrc_otg_destroy(ci);  in ci_hdrc_probe()
1252 	ci_hdrc_gadget_destroy(ci);  in ci_hdrc_probe()
1254 	ci_hdrc_host_destroy(ci);  in ci_hdrc_probe()
1256 	ci_usb_phy_exit(ci);  in ci_hdrc_probe()
1258 	ci_ulpi_exit(ci);  in ci_hdrc_probe()
1265 	struct ci_hdrc *ci = platform_get_drvdata(pdev);  in ci_hdrc_remove()  local
1267 	if (ci->role_switch)  in ci_hdrc_remove()
1268 		usb_role_switch_unregister(ci->role_switch);  in ci_hdrc_remove()
1270 	if (ci->supports_runtime_pm) {  in ci_hdrc_remove()
1276 	dbg_remove_files(ci);  in ci_hdrc_remove()
1277 	ci_role_destroy(ci);  in ci_hdrc_remove()
1278 	ci_hdrc_enter_lpm(ci, true);  in ci_hdrc_remove()
1279 	ci_usb_phy_exit(ci);  in ci_hdrc_remove()
1280 	ci_ulpi_exit(ci);  in ci_hdrc_remove()
1285 static void ci_otg_fsm_suspend_for_srp(struct ci_hdrc *ci)  in ci_otg_fsm_suspend_for_srp()  argument
1287 	if ((ci->fsm.otg->state == OTG_STATE_A_IDLE) &&  in ci_otg_fsm_suspend_for_srp()
1288 				!hw_read_otgsc(ci, OTGSC_ID)) {  in ci_otg_fsm_suspend_for_srp()
1289 		hw_write(ci, OP_PORTSC, PORTSC_W1C_BITS | PORTSC_PP,  in ci_otg_fsm_suspend_for_srp()
1291 		hw_write(ci, OP_PORTSC, PORTSC_W1C_BITS | PORTSC_WKCN,  in ci_otg_fsm_suspend_for_srp()
1297 static void ci_otg_fsm_wakeup_by_srp(struct ci_hdrc *ci)  in ci_otg_fsm_wakeup_by_srp()  argument
1299 	if ((ci->fsm.otg->state == OTG_STATE_A_IDLE) &&  in ci_otg_fsm_wakeup_by_srp()
1300 		(ci->fsm.a_bus_drop == 1) && (ci->fsm.a_bus_req == 0)) {  in ci_otg_fsm_wakeup_by_srp()
1301 		if (!hw_read_otgsc(ci, OTGSC_ID)) {  in ci_otg_fsm_wakeup_by_srp()
1302 			ci->fsm.a_srp_det = 1;  in ci_otg_fsm_wakeup_by_srp()
1303 			ci->fsm.a_bus_drop = 0;  in ci_otg_fsm_wakeup_by_srp()
1305 			ci->fsm.id = 1;  in ci_otg_fsm_wakeup_by_srp()
1307 		ci_otg_queue_work(ci);  in ci_otg_fsm_wakeup_by_srp()
1311 static void ci_controller_suspend(struct ci_hdrc *ci)  in ci_controller_suspend()  argument
1313 	disable_irq(ci->irq);  in ci_controller_suspend()
1314 	ci_hdrc_enter_lpm(ci, true);  in ci_controller_suspend()
1315 	if (ci->platdata->phy_clkgate_delay_us)  in ci_controller_suspend()
1316 		usleep_range(ci->platdata->phy_clkgate_delay_us,  in ci_controller_suspend()
1317 			     ci->platdata->phy_clkgate_delay_us + 50);  in ci_controller_suspend()
1318 	usb_phy_set_suspend(ci->usb_phy, 1);  in ci_controller_suspend()
1319 	ci->in_lpm = true;  in ci_controller_suspend()
1320 	enable_irq(ci->irq);  in ci_controller_suspend()
1329 static void ci_extcon_wakeup_int(struct ci_hdrc *ci)  in ci_extcon_wakeup_int()  argument
1332 	u32 otgsc = hw_read_otgsc(ci, ~0);  in ci_extcon_wakeup_int()
1334 	cable_id = &ci->platdata->id_extcon;  in ci_extcon_wakeup_int()
1335 	cable_vbus = &ci->platdata->vbus_extcon;  in ci_extcon_wakeup_int()
1337 	if ((!IS_ERR(cable_id->edev) || ci->role_switch)  in ci_extcon_wakeup_int()
1338 		&& ci->is_otg &&  in ci_extcon_wakeup_int()
1340 		ci_irq(ci);  in ci_extcon_wakeup_int()
1342 	if ((!IS_ERR(cable_vbus->edev) || ci->role_switch)  in ci_extcon_wakeup_int()
1343 		&& ci->is_otg &&  in ci_extcon_wakeup_int()
1345 		ci_irq(ci);  in ci_extcon_wakeup_int()
1350 	struct ci_hdrc *ci = dev_get_drvdata(dev);  in ci_controller_resume()  local
1355 	if (!ci->in_lpm) {  in ci_controller_resume()
1360 	ci_hdrc_enter_lpm(ci, false);  in ci_controller_resume()
1362 	ret = ci_ulpi_resume(ci);  in ci_controller_resume()
1366 	if (ci->usb_phy) {  in ci_controller_resume()
1367 		usb_phy_set_suspend(ci->usb_phy, 0);  in ci_controller_resume()
1368 		usb_phy_set_wakeup(ci->usb_phy, false);  in ci_controller_resume()
1372 	ci->in_lpm = false;  in ci_controller_resume()
1373 	if (ci->wakeup_int) {  in ci_controller_resume()
1374 		ci->wakeup_int = false;  in ci_controller_resume()
1375 		pm_runtime_mark_last_busy(ci->dev);  in ci_controller_resume()
1376 		pm_runtime_put_autosuspend(ci->dev);  in ci_controller_resume()
1377 		enable_irq(ci->irq);  in ci_controller_resume()
1378 		if (ci_otg_is_fsm_mode(ci))  in ci_controller_resume()
1379 			ci_otg_fsm_wakeup_by_srp(ci);  in ci_controller_resume()
1380 		ci_extcon_wakeup_int(ci);  in ci_controller_resume()
1389 	struct ci_hdrc *ci = dev_get_drvdata(dev);  in ci_suspend()  local
1391 	if (ci->wq)  in ci_suspend()
1392 		flush_workqueue(ci->wq);  in ci_suspend()
1399 	if (ci->in_lpm)  in ci_suspend()
1402 	if (ci->in_lpm) {  in ci_suspend()
1408 	if (ci->role != CI_ROLE_END && ci_role(ci)->suspend)  in ci_suspend()
1409 		ci_role(ci)->suspend(ci);  in ci_suspend()
1412 		if (ci_otg_is_fsm_mode(ci))  in ci_suspend()
1413 			ci_otg_fsm_suspend_for_srp(ci);  in ci_suspend()
1415 		usb_phy_set_wakeup(ci->usb_phy, true);  in ci_suspend()
1416 		enable_irq_wake(ci->irq);  in ci_suspend()
1419 	ci_controller_suspend(ci);  in ci_suspend()
1426 	struct ci_hdrc *ci = dev_get_drvdata(dev);  in ci_resume()  local
1435 	power_lost = !hw_read(ci, OP_ENDPTLISTADDR, ~0);  in ci_resume()
1438 		disable_irq_wake(ci->irq);  in ci_resume()
1446 		ci_usb_phy_exit(ci);  in ci_resume()
1447 		ci_usb_phy_init(ci);  in ci_resume()
1451 	if (ci->role != CI_ROLE_END && ci_role(ci)->resume)  in ci_resume()
1452 		ci_role(ci)->resume(ci, power_lost);  in ci_resume()
1455 		queue_work(system_freezable_wq, &ci->power_lost_work);  in ci_resume()
1457 	if (ci->supports_runtime_pm) {  in ci_resume()
1469 	struct ci_hdrc *ci = dev_get_drvdata(dev);  in ci_runtime_suspend()  local
1473 	if (ci->in_lpm) {  in ci_runtime_suspend()
1478 	if (ci_otg_is_fsm_mode(ci))  in ci_runtime_suspend()
1479 		ci_otg_fsm_suspend_for_srp(ci);  in ci_runtime_suspend()
1481 	usb_phy_set_wakeup(ci->usb_phy, true);  in ci_runtime_suspend()
1482 	ci_controller_suspend(ci);  in ci_runtime_suspend()