31 u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask)  in hw_read_otgsc()  argument
34 	u32 val = hw_read(ci, OP_OTGSC, mask);  in hw_read_otgsc()
40 	cable = &ci->platdata->vbus_extcon;  in hw_read_otgsc()
55 	cable = &ci->platdata->id_extcon;  in hw_read_otgsc()
78 void hw_write_otgsc(struct ci_hdrc *ci, u32 mask, u32 data)  in hw_write_otgsc()  argument
80 	hw_write(ci, OP_OTGSC, mask | OTGSC_INT_STATUS_BITS, data);  in hw_write_otgsc()
87 enum ci_role ci_otg_role(struct ci_hdrc *ci)  in ci_otg_role()  argument
89 	enum ci_role role = hw_read_otgsc(ci, OTGSC_ID)  in ci_otg_role()
96 void ci_handle_vbus_change(struct ci_hdrc *ci)  in ci_handle_vbus_change()  argument
98 	if (!ci->is_otg)  in ci_handle_vbus_change()
101 	if (hw_read_otgsc(ci, OTGSC_BSV))  in ci_handle_vbus_change()
102 		usb_gadget_vbus_connect(&ci->gadget);  in ci_handle_vbus_change()
104 		usb_gadget_vbus_disconnect(&ci->gadget);  in ci_handle_vbus_change()
108 static void ci_handle_id_switch(struct ci_hdrc *ci)  in ci_handle_id_switch()  argument
110 	enum ci_role role = ci_otg_role(ci);  in ci_handle_id_switch()
112 	if (role != ci->role) {  in ci_handle_id_switch()
113 		dev_dbg(ci->dev, "switching from %s to %s\n",  in ci_handle_id_switch()
114 			ci_role(ci)->name, ci->roles[role]->name);  in ci_handle_id_switch()
116 		ci_role_stop(ci);  in ci_handle_id_switch()
120 			hw_wait_reg(ci, OP_OTGSC, OTGSC_BSV, 0,  in ci_handle_id_switch()
123 		ci_role_start(ci, role);  in ci_handle_id_switch()
132 	struct ci_hdrc *ci = container_of(work, struct ci_hdrc, work);  in ci_otg_work()  local
134 	if (ci_otg_is_fsm_mode(ci) && !ci_otg_fsm_work(ci)) {  in ci_otg_work()
135 		enable_irq(ci->irq);  in ci_otg_work()
139 	pm_runtime_get_sync(ci->dev);  in ci_otg_work()
140 	if (ci->id_event) {  in ci_otg_work()
141 		ci->id_event = false;  in ci_otg_work()
142 		ci_handle_id_switch(ci);  in ci_otg_work()
143 	} else if (ci->b_sess_valid_event) {  in ci_otg_work()
144 		ci->b_sess_valid_event = false;  in ci_otg_work()
145 		ci_handle_vbus_change(ci);  in ci_otg_work()
147 		dev_err(ci->dev, "unexpected event occurs at %s\n", __func__);  in ci_otg_work()
148 	pm_runtime_put_sync(ci->dev);  in ci_otg_work()
150 	enable_irq(ci->irq);  in ci_otg_work()
158 int ci_hdrc_otg_init(struct ci_hdrc *ci)  in ci_hdrc_otg_init()  argument
160 	INIT_WORK(&ci->work, ci_otg_work);  in ci_hdrc_otg_init()
161 	ci->wq = create_freezable_workqueue("ci_otg");  in ci_hdrc_otg_init()
162 	if (!ci->wq) {  in ci_hdrc_otg_init()
163 		dev_err(ci->dev, "can't create workqueue\n");  in ci_hdrc_otg_init()
167 	if (ci_otg_is_fsm_mode(ci))  in ci_hdrc_otg_init()
168 		return ci_hdrc_otg_fsm_init(ci);  in ci_hdrc_otg_init()
177 void ci_hdrc_otg_destroy(struct ci_hdrc *ci)  in ci_hdrc_otg_destroy()  argument
179 	if (ci->wq) {  in ci_hdrc_otg_destroy()
180 		flush_workqueue(ci->wq);  in ci_hdrc_otg_destroy()
181 		destroy_workqueue(ci->wq);  in ci_hdrc_otg_destroy()
184 	hw_write_otgsc(ci, OTGSC_INT_EN_BITS | OTGSC_INT_STATUS_BITS,  in ci_hdrc_otg_destroy()
186 	if (ci_otg_is_fsm_mode(ci))  in ci_hdrc_otg_destroy()
187 		ci_hdrc_otg_fsm_remove(ci);  in ci_hdrc_otg_destroy()