23 	struct musb *musb;  in musb_host_finish_resume()  local
27 	musb = container_of(work, struct musb, finish_resume_work.work);  in musb_host_finish_resume()
29 	spin_lock_irqsave(&musb->lock, flags);  in musb_host_finish_resume()
31 	power = musb_readb(musb->mregs, MUSB_POWER);  in musb_host_finish_resume()
33 	musb_dbg(musb, "root port resume stopped, power %02x", power);  in musb_host_finish_resume()
34 	musb_writeb(musb->mregs, MUSB_POWER, power);  in musb_host_finish_resume()
41 	musb->is_active = 1;  in musb_host_finish_resume()
42 	musb->port1_status &= ~(USB_PORT_STAT_SUSPEND | MUSB_PORT_STAT_RESUME);  in musb_host_finish_resume()
43 	musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16;  in musb_host_finish_resume()
44 	usb_hcd_poll_rh_status(musb->hcd);  in musb_host_finish_resume()
46 	musb->xceiv->otg->state = OTG_STATE_A_HOST;  in musb_host_finish_resume()
48 	spin_unlock_irqrestore(&musb->lock, flags);  in musb_host_finish_resume()
51 int musb_port_suspend(struct musb *musb, bool do_suspend)  in musb_port_suspend()  argument
53 	struct usb_otg	*otg = musb->xceiv->otg;  in musb_port_suspend()
55 	void __iomem	*mbase = musb->mregs;  in musb_port_suspend()
57 	if (!is_host_active(musb))  in musb_port_suspend()
85 		musb_dbg(musb, "Root port suspended, power %02x", power);  in musb_port_suspend()
87 		musb->port1_status |= USB_PORT_STAT_SUSPEND;  in musb_port_suspend()
88 		switch (musb->xceiv->otg->state) {  in musb_port_suspend()
90 			musb->xceiv->otg->state = OTG_STATE_A_SUSPEND;  in musb_port_suspend()
91 			musb->is_active = otg->host->b_hnp_enable;  in musb_port_suspend()
92 			if (musb->is_active)  in musb_port_suspend()
93 				mod_timer(&musb->otg_timer, jiffies  in musb_port_suspend()
96 			musb_platform_try_idle(musb, 0);  in musb_port_suspend()
99 			musb->xceiv->otg->state = OTG_STATE_B_WAIT_ACON;  in musb_port_suspend()
100 			musb->is_active = otg->host->b_hnp_enable;  in musb_port_suspend()
101 			musb_platform_try_idle(musb, 0);  in musb_port_suspend()
104 			musb_dbg(musb, "bogus rh suspend? %s",  in musb_port_suspend()
105 				usb_otg_state_string(musb->xceiv->otg->state));  in musb_port_suspend()
112 		musb_dbg(musb, "Root port resuming, power %02x", power);  in musb_port_suspend()
114 		musb->port1_status |= MUSB_PORT_STAT_RESUME;  in musb_port_suspend()
115 		schedule_delayed_work(&musb->finish_resume_work,  in musb_port_suspend()
121 void musb_port_reset(struct musb *musb, bool do_reset)  in musb_port_reset()  argument
124 	void __iomem	*mbase = musb->mregs;  in musb_port_reset()
126 	if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) {  in musb_port_reset()
127 		musb_dbg(musb, "HNP: Returning from HNP; no hub reset from b_idle");  in musb_port_reset()
128 		musb->port1_status &= ~USB_PORT_STAT_RESET;  in musb_port_reset()
132 	if (!is_host_active(musb))  in musb_port_reset()
148 			long remain = (unsigned long) musb->rh_timer - jiffies;  in musb_port_reset()
150 			if (musb->rh_timer > 0 && remain > 0) {  in musb_port_reset()
153 					&musb->deassert_reset_work, remain);  in musb_port_reset()
161 			schedule_delayed_work(&musb->deassert_reset_work,  in musb_port_reset()
170 		musb->port1_status |= USB_PORT_STAT_RESET;  in musb_port_reset()
171 		musb->port1_status &= ~USB_PORT_STAT_ENABLE;  in musb_port_reset()
172 		schedule_delayed_work(&musb->deassert_reset_work,  in musb_port_reset()
175 		musb_dbg(musb, "root port reset stopped");  in musb_port_reset()
176 		musb_platform_pre_root_reset_end(musb);  in musb_port_reset()
179 		musb_platform_post_root_reset_end(musb);  in musb_port_reset()
183 			musb_dbg(musb, "high-speed device connected");  in musb_port_reset()
184 			musb->port1_status |= USB_PORT_STAT_HIGH_SPEED;  in musb_port_reset()
187 		musb->port1_status &= ~USB_PORT_STAT_RESET;  in musb_port_reset()
188 		musb->port1_status |= USB_PORT_STAT_ENABLE  in musb_port_reset()
191 		usb_hcd_poll_rh_status(musb->hcd);  in musb_port_reset()
193 		musb->vbuserr_retry = VBUSERR_RETRY_COUNT;  in musb_port_reset()
197 void musb_root_disconnect(struct musb *musb)  in musb_root_disconnect()  argument
199 	struct usb_otg	*otg = musb->xceiv->otg;  in musb_root_disconnect()
201 	musb->port1_status = USB_PORT_STAT_POWER  in musb_root_disconnect()
204 	usb_hcd_poll_rh_status(musb->hcd);  in musb_root_disconnect()
205 	musb->is_active = 0;  in musb_root_disconnect()
207 	switch (musb->xceiv->otg->state) {  in musb_root_disconnect()
210 			musb->xceiv->otg->state = OTG_STATE_A_PERIPHERAL;  in musb_root_disconnect()
211 			musb->g.is_a_peripheral = 1;  in musb_root_disconnect()
216 		musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON;  in musb_root_disconnect()
217 		musb->is_active = 0;  in musb_root_disconnect()
220 		musb->xceiv->otg->state = OTG_STATE_B_IDLE;  in musb_root_disconnect()
223 		musb_dbg(musb, "host disconnect (%s)",  in musb_root_disconnect()
224 			usb_otg_state_string(musb->xceiv->otg->state));  in musb_root_disconnect()
235 	struct musb	*musb = hcd_to_musb(hcd);  in musb_hub_status_data()  local
239 	if (musb->port1_status & 0xffff0000) {  in musb_hub_status_data()
246 static int musb_has_gadget(struct musb *musb)  in musb_has_gadget()  argument
257 	return musb->port_mode == MUSB_HOST;  in musb_has_gadget()
269 	struct musb	*musb = hcd_to_musb(hcd);  in musb_hub_control()  local
275 	spin_lock_irqsave(&musb->lock, flags);  in musb_hub_control()
278 		spin_unlock_irqrestore(&musb->lock, flags);  in musb_hub_control()
305 			musb_port_suspend(musb, false);  in musb_hub_control()
309 				musb_platform_set_vbus(musb, 0);  in musb_hub_control()
320 		musb_dbg(musb, "clear feature %d", wValue);  in musb_hub_control()
321 		musb->port1_status &= ~(1 << wValue);  in musb_hub_control()
350 		put_unaligned(cpu_to_le32(musb->port1_status  in musb_hub_control()
355 		musb_dbg(musb, "port status %08x", musb->port1_status);  in musb_hub_control()
373 			if (!hcd->self.is_b_host && musb_has_gadget(musb))  in musb_hub_control()
377 			musb_port_reset(musb, true);  in musb_hub_control()
380 			musb_port_suspend(musb, true);  in musb_hub_control()
383 			if (unlikely(is_host_active(musb)))  in musb_hub_control()
403 				musb_load_testpacket(musb);  in musb_hub_control()
410 				musb_writeb(musb->mregs, MUSB_DEVCTL,  in musb_hub_control()
420 			musb_writeb(musb->mregs, MUSB_TESTMODE, temp);  in musb_hub_control()
425 		musb_dbg(musb, "set feature %d", wValue);  in musb_hub_control()
426 		musb->port1_status |= 1 << wValue;  in musb_hub_control()
434 	spin_unlock_irqrestore(&musb->lock, flags);  in musb_hub_control()
437 		musb_start(musb);  in musb_hub_control()