38 void fhci_start_sof_timer(struct fhci_hcd *fhci)  in fhci_start_sof_timer()  argument
40 	fhci_dbg(fhci, "-> %s\n", __func__);  in fhci_start_sof_timer()
43 	out_be16(&fhci->pram->frame_num, 0);  in fhci_start_sof_timer()
45 	out_be16(&fhci->regs->usb_ussft, 0);  in fhci_start_sof_timer()
46 	setbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);  in fhci_start_sof_timer()
48 	fhci_dbg(fhci, "<- %s\n", __func__);  in fhci_start_sof_timer()
51 void fhci_stop_sof_timer(struct fhci_hcd *fhci)  in fhci_stop_sof_timer()  argument
53 	fhci_dbg(fhci, "-> %s\n", __func__);  in fhci_stop_sof_timer()
55 	clrbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);  in fhci_stop_sof_timer()
56 	gtm_stop_timer16(fhci->timer);  in fhci_stop_sof_timer()
58 	fhci_dbg(fhci, "<- %s\n", __func__);  in fhci_stop_sof_timer()
63 	return be16_to_cpu(in_be16(&usb->fhci->regs->usb_ussft) / 12);  in fhci_get_sof_timer_count()
86 	struct fhci_hcd *fhci = usb->fhci;  in fhci_usb_enable_interrupt()  local
90 		enable_irq(fhci_to_hcd(fhci)->irq);  in fhci_usb_enable_interrupt()
93 		out_be16(&usb->fhci->regs->usb_usber, 0xffff);  in fhci_usb_enable_interrupt()
94 		out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);  in fhci_usb_enable_interrupt()
97 		enable_irq(fhci->timer->irq);  in fhci_usb_enable_interrupt()
99 		fhci_info(fhci, "unbalanced USB interrupts nesting\n");  in fhci_usb_enable_interrupt()
106 	struct fhci_hcd *fhci = usb->fhci;  in fhci_usb_disable_interrupt()  local
110 		disable_irq_nosync(fhci->timer->irq);  in fhci_usb_disable_interrupt()
113 		disable_irq_nosync(fhci_to_hcd(fhci)->irq);  in fhci_usb_disable_interrupt()
114 		out_be16(&usb->fhci->regs->usb_usbmr, 0);  in fhci_usb_disable_interrupt()
120 static u32 fhci_usb_enable(struct fhci_hcd *fhci)  in fhci_usb_enable()  argument
122 	struct fhci_usb *usb = fhci->usb_lld;  in fhci_usb_enable()
124 	out_be16(&usb->fhci->regs->usb_usber, 0xffff);  in fhci_usb_enable()
125 	out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);  in fhci_usb_enable()
126 	setbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);  in fhci_usb_enable()
134 static u32 fhci_usb_disable(struct fhci_hcd *fhci)  in fhci_usb_disable()  argument
136 	struct fhci_usb *usb = fhci->usb_lld;  in fhci_usb_disable()
139 	fhci_port_disable(fhci);  in fhci_usb_disable()
144 		fhci_device_disconnected_interrupt(fhci);  in fhci_usb_disable()
146 	clrbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);  in fhci_usb_disable()
152 int fhci_ioports_check_bus_state(struct fhci_hcd *fhci)  in fhci_ioports_check_bus_state()  argument
157 	if (!gpio_get_value(fhci->gpios[GPIO_USBOE]))  in fhci_ioports_check_bus_state()
161 	if (gpio_get_value(fhci->gpios[GPIO_USBRP]))  in fhci_ioports_check_bus_state()
165 	if (gpio_get_value(fhci->gpios[GPIO_USBRN]))  in fhci_ioports_check_bus_state()
171 static void fhci_mem_free(struct fhci_hcd *fhci)  in fhci_mem_free()  argument
178 	list_for_each_entry_safe(ed, next_ed, &fhci->empty_eds, node) {  in fhci_mem_free()
183 	list_for_each_entry_safe(td, next_td, &fhci->empty_tds, node) {  in fhci_mem_free()
188 	kfree(fhci->vroot_hub);  in fhci_mem_free()
189 	fhci->vroot_hub = NULL;  in fhci_mem_free()
191 	kfree(fhci->hc_list);  in fhci_mem_free()
192 	fhci->hc_list = NULL;  in fhci_mem_free()
195 static int fhci_mem_init(struct fhci_hcd *fhci)  in fhci_mem_init()  argument
199 	fhci->hc_list = kzalloc(sizeof(*fhci->hc_list), GFP_KERNEL);  in fhci_mem_init()
200 	if (!fhci->hc_list)  in fhci_mem_init()
203 	INIT_LIST_HEAD(&fhci->hc_list->ctrl_list);  in fhci_mem_init()
204 	INIT_LIST_HEAD(&fhci->hc_list->bulk_list);  in fhci_mem_init()
205 	INIT_LIST_HEAD(&fhci->hc_list->iso_list);  in fhci_mem_init()
206 	INIT_LIST_HEAD(&fhci->hc_list->intr_list);  in fhci_mem_init()
207 	INIT_LIST_HEAD(&fhci->hc_list->done_list);  in fhci_mem_init()
209 	fhci->vroot_hub = kzalloc(sizeof(*fhci->vroot_hub), GFP_KERNEL);  in fhci_mem_init()
210 	if (!fhci->vroot_hub)  in fhci_mem_init()
213 	INIT_LIST_HEAD(&fhci->empty_eds);  in fhci_mem_init()
214 	INIT_LIST_HEAD(&fhci->empty_tds);  in fhci_mem_init()
217 	fhci_tasklet.data = (unsigned long)fhci;  in fhci_mem_init()
218 	fhci->process_done_task = &fhci_tasklet;  in fhci_mem_init()
226 		fhci_recycle_empty_td(fhci, td);  in fhci_mem_init()
234 		fhci_recycle_empty_ed(fhci, ed);  in fhci_mem_init()
237 	fhci->active_urbs = 0;  in fhci_mem_init()
240 	fhci_mem_free(fhci);  in fhci_mem_init()
248 	struct fhci_hcd *fhci;  in fhci_usb_free()  local
251 		fhci = usb->fhci;  in fhci_usb_free()
252 		fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);  in fhci_usb_free()
260 static int fhci_usb_init(struct fhci_hcd *fhci)  in fhci_usb_init()  argument
262 	struct fhci_usb *usb = fhci->usb_lld;  in fhci_usb_init()
264 	memset_io(usb->fhci->pram, 0, FHCI_PRAM_SIZE);  in fhci_usb_init()
279 	out_be16(&fhci->pram->frame_num, 0);  in fhci_usb_init()
282 	out_be32(&fhci->pram->rx_state, 0);  in fhci_usb_init()
290 	out_8(&usb->fhci->regs->usb_usmod, USB_MODE_HOST | USB_MODE_EN);  in fhci_usb_init()
293 	out_be16(&usb->fhci->regs->usb_usbmr, 0);  in fhci_usb_init()
296 	out_be16(&usb->fhci->regs->usb_usber, 0xffff);  in fhci_usb_init()
307 static struct fhci_usb *fhci_create_lld(struct fhci_hcd *fhci)  in fhci_create_lld()  argument
314 		fhci_err(fhci, "no memory for SCC data struct\n");  in fhci_create_lld()
318 	usb->fhci = fhci;  in fhci_create_lld()
319 	usb->hc_list = fhci->hc_list;  in fhci_create_lld()
320 	usb->vroot_hub = fhci->vroot_hub;  in fhci_create_lld()
330 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_start()  local
332 	ret = fhci_mem_init(fhci);  in fhci_start()
334 		fhci_err(fhci, "failed to allocate memory\n");  in fhci_start()
338 	fhci->usb_lld = fhci_create_lld(fhci);  in fhci_start()
339 	if (!fhci->usb_lld) {  in fhci_start()
340 		fhci_err(fhci, "low level driver config failed\n");  in fhci_start()
345 	ret = fhci_usb_init(fhci);  in fhci_start()
347 		fhci_err(fhci, "low level driver initialize failed\n");  in fhci_start()
351 	spin_lock_init(&fhci->lock);  in fhci_start()
354 	fhci->vroot_hub->dev_num = 1;	/* this field may be needed to fix */  in fhci_start()
355 	fhci->vroot_hub->hub.wHubStatus = 0;  in fhci_start()
356 	fhci->vroot_hub->hub.wHubChange = 0;  in fhci_start()
357 	fhci->vroot_hub->port.wPortStatus = 0;  in fhci_start()
358 	fhci->vroot_hub->port.wPortChange = 0;  in fhci_start()
371 	fhci_usb_enable(fhci);  in fhci_start()
374 	fhci_mem_free(fhci);  in fhci_start()
380 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_stop()  local
382 	fhci_usb_disable_interrupt(fhci->usb_lld);  in fhci_stop()
383 	fhci_usb_disable(fhci);  in fhci_stop()
385 	fhci_usb_free(fhci->usb_lld);  in fhci_stop()
386 	fhci->usb_lld = NULL;  in fhci_stop()
387 	fhci_mem_free(fhci);  in fhci_stop()
393 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_urb_enqueue()  local
445 	spin_lock_irqsave(&fhci->lock, flags);  in fhci_urb_enqueue()
459 	fhci_queue_urb(fhci, urb);  in fhci_urb_enqueue()
465 	spin_unlock_irqrestore(&fhci->lock, flags);  in fhci_urb_enqueue()
472 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_urb_dequeue()  local
473 	struct fhci_usb *usb = fhci->usb_lld;  in fhci_urb_dequeue()
480 	spin_lock_irqsave(&fhci->lock, flags);  in fhci_urb_dequeue()
503 		fhci_urb_complete_free(fhci, urb);  in fhci_urb_dequeue()
507 	spin_unlock_irqrestore(&fhci->lock, flags);  in fhci_urb_dequeue()
515 	struct fhci_hcd *fhci;  in fhci_endpoint_disable()  local
519 	fhci = hcd_to_fhci(hcd);  in fhci_endpoint_disable()
520 	spin_lock_irqsave(&fhci->lock, flags);  in fhci_endpoint_disable()
525 			fhci_urb_complete_free(fhci, td->urb);  in fhci_endpoint_disable()
527 		fhci_recycle_empty_ed(fhci, ed);  in fhci_endpoint_disable()
530 	spin_unlock_irqrestore(&fhci->lock, flags);  in fhci_endpoint_disable()
535 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_get_frame_number()  local
537 	return get_frame_num(fhci);  in fhci_get_frame_number()
571 	struct fhci_hcd *fhci;  in of_fhci_probe()  local
595 	fhci = hcd_to_fhci(hcd);  in of_fhci_probe()
616 	fhci->regs = hcd->regs;  in of_fhci_probe()
635 	fhci->pram = cpm_muram_addr(pram_addr);  in of_fhci_probe()
643 		fhci->gpios[i] = gpio;  in of_fhci_probe()
644 		fhci->alow_gpios[i] = flags & OF_GPIO_ACTIVE_LOW;  in of_fhci_probe()
677 		fhci->pins[j] = qe_pin_request(node, j);  in of_fhci_probe()
678 		if (IS_ERR(fhci->pins[j])) {  in of_fhci_probe()
679 			ret = PTR_ERR(fhci->pins[j]);  in of_fhci_probe()
686 	fhci->timer = gtm_get_timer16();  in of_fhci_probe()
687 	if (IS_ERR(fhci->timer)) {  in of_fhci_probe()
688 		ret = PTR_ERR(fhci->timer);  in of_fhci_probe()
693 	ret = request_irq(fhci->timer->irq, fhci_frame_limit_timer_irq,  in of_fhci_probe()
711 		fhci->fullspeed_clk = qe_clock_source(sprop);  in of_fhci_probe()
712 		if (fhci->fullspeed_clk == QE_CLK_DUMMY) {  in of_fhci_probe()
721 		fhci->lowspeed_clk = qe_clock_source(sprop);  in of_fhci_probe()
722 		if (fhci->lowspeed_clk == QE_CLK_DUMMY) {  in of_fhci_probe()
729 	if (fhci->fullspeed_clk == QE_CLK_NONE &&  in of_fhci_probe()
730 			fhci->lowspeed_clk == QE_CLK_NONE) {  in of_fhci_probe()
738 	fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);  in of_fhci_probe()
741 	if (fhci->fullspeed_clk != QE_CLK_NONE) {  in of_fhci_probe()
742 		fhci_config_transceiver(fhci, FHCI_PORT_FULL);  in of_fhci_probe()
743 		qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK);  in of_fhci_probe()
745 		fhci_config_transceiver(fhci, FHCI_PORT_LOW);  in of_fhci_probe()
746 		qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3);  in of_fhci_probe()
750 	out_be16(&fhci->regs->usb_usber, 0xffff);  in of_fhci_probe()
751 	out_be16(&fhci->regs->usb_usbmr, 0);  in of_fhci_probe()
759 	fhci_dfs_create(fhci);  in of_fhci_probe()
767 	free_irq(fhci->timer->irq, hcd);  in of_fhci_probe()
769 	gtm_put_timer16(fhci->timer);  in of_fhci_probe()
773 		qe_pin_free(fhci->pins[j]);  in of_fhci_probe()
776 		if (gpio_is_valid(fhci->gpios[i]))  in of_fhci_probe()
777 			gpio_free(fhci->gpios[i]);  in of_fhci_probe()
790 	struct fhci_hcd *fhci = hcd_to_fhci(hcd);  in fhci_remove()  local
795 	free_irq(fhci->timer->irq, hcd);  in fhci_remove()
796 	gtm_put_timer16(fhci->timer);  in fhci_remove()
797 	cpm_muram_free(cpm_muram_offset(fhci->pram));  in fhci_remove()
799 		if (!gpio_is_valid(fhci->gpios[i]))  in fhci_remove()
801 		gpio_free(fhci->gpios[i]);  in fhci_remove()
804 		qe_pin_free(fhci->pins[j]);  in fhci_remove()
805 	fhci_dfs_destroy(fhci);  in fhci_remove()