Lines Matching refs:fhci
34 #include "fhci.h"
36 void fhci_start_sof_timer(struct fhci_hcd *fhci)
38 fhci_dbg(fhci, "-> %s\n", __func__);
41 out_be16(&fhci->pram->frame_num, 0);
43 out_be16(&fhci->regs->usb_sof_tmr, 0);
44 setbits8(&fhci->regs->usb_mod, USB_MODE_SFTE);
46 fhci_dbg(fhci, "<- %s\n", __func__);
49 void fhci_stop_sof_timer(struct fhci_hcd *fhci)
51 fhci_dbg(fhci, "-> %s\n", __func__);
53 clrbits8(&fhci->regs->usb_mod, USB_MODE_SFTE);
54 gtm_stop_timer16(fhci->timer);
56 fhci_dbg(fhci, "<- %s\n", __func__);
61 return be16_to_cpu(in_be16(&usb->fhci->regs->usb_sof_tmr) / 12);
84 struct fhci_hcd *fhci = usb->fhci;
88 enable_irq(fhci_to_hcd(fhci)->irq);
91 out_be16(&usb->fhci->regs->usb_event, 0xffff);
92 out_be16(&usb->fhci->regs->usb_mask, usb->saved_msk);
95 enable_irq(fhci->timer->irq);
97 fhci_info(fhci, "unbalanced USB interrupts nesting\n");
104 struct fhci_hcd *fhci = usb->fhci;
108 disable_irq_nosync(fhci->timer->irq);
111 disable_irq_nosync(fhci_to_hcd(fhci)->irq);
112 out_be16(&usb->fhci->regs->usb_mask, 0);
118 static u32 fhci_usb_enable(struct fhci_hcd *fhci)
120 struct fhci_usb *usb = fhci->usb_lld;
122 out_be16(&usb->fhci->regs->usb_event, 0xffff);
123 out_be16(&usb->fhci->regs->usb_mask, usb->saved_msk);
124 setbits8(&usb->fhci->regs->usb_mod, USB_MODE_EN);
132 static u32 fhci_usb_disable(struct fhci_hcd *fhci)
134 struct fhci_usb *usb = fhci->usb_lld;
137 fhci_port_disable(fhci);
142 fhci_device_disconnected_interrupt(fhci);
144 clrbits8(&usb->fhci->regs->usb_mod, USB_MODE_EN);
150 int fhci_ioports_check_bus_state(struct fhci_hcd *fhci)
155 if (!gpio_get_value(fhci->gpios[GPIO_USBOE]))
159 if (gpio_get_value(fhci->gpios[GPIO_USBRP]))
163 if (gpio_get_value(fhci->gpios[GPIO_USBRN]))
169 static void fhci_mem_free(struct fhci_hcd *fhci)
176 list_for_each_entry_safe(ed, next_ed, &fhci->empty_eds, node) {
181 list_for_each_entry_safe(td, next_td, &fhci->empty_tds, node) {
186 kfree(fhci->vroot_hub);
187 fhci->vroot_hub = NULL;
189 kfree(fhci->hc_list);
190 fhci->hc_list = NULL;
193 static int fhci_mem_init(struct fhci_hcd *fhci)
197 fhci->hc_list = kzalloc(sizeof(*fhci->hc_list), GFP_KERNEL);
198 if (!fhci->hc_list)
201 INIT_LIST_HEAD(&fhci->hc_list->ctrl_list);
202 INIT_LIST_HEAD(&fhci->hc_list->bulk_list);
203 INIT_LIST_HEAD(&fhci->hc_list->iso_list);
204 INIT_LIST_HEAD(&fhci->hc_list->intr_list);
205 INIT_LIST_HEAD(&fhci->hc_list->done_list);
207 fhci->vroot_hub = kzalloc(sizeof(*fhci->vroot_hub), GFP_KERNEL);
208 if (!fhci->vroot_hub)
211 INIT_LIST_HEAD(&fhci->empty_eds);
212 INIT_LIST_HEAD(&fhci->empty_tds);
215 fhci_tasklet.data = (unsigned long)fhci;
216 fhci->process_done_task = &fhci_tasklet;
224 fhci_recycle_empty_td(fhci, td);
232 fhci_recycle_empty_ed(fhci, ed);
235 fhci->active_urbs = 0;
238 fhci_mem_free(fhci);
246 struct fhci_hcd *fhci;
249 fhci = usb->fhci;
250 fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);
258 static int fhci_usb_init(struct fhci_hcd *fhci)
260 struct fhci_usb *usb = fhci->usb_lld;
262 memset_io(usb->fhci->pram, 0, FHCI_PRAM_SIZE);
277 out_be16(&fhci->pram->frame_num, 0);
280 out_be32(&fhci->pram->rx_state, 0);
288 out_8(&usb->fhci->regs->usb_mod, USB_MODE_HOST | USB_MODE_EN);
291 out_be16(&usb->fhci->regs->usb_mask, 0);
294 out_be16(&usb->fhci->regs->usb_event, 0xffff);
305 static struct fhci_usb *fhci_create_lld(struct fhci_hcd *fhci)
312 fhci_err(fhci, "no memory for SCC data struct\n");
316 usb->fhci = fhci;
317 usb->hc_list = fhci->hc_list;
318 usb->vroot_hub = fhci->vroot_hub;
328 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
330 ret = fhci_mem_init(fhci);
332 fhci_err(fhci, "failed to allocate memory\n");
336 fhci->usb_lld = fhci_create_lld(fhci);
337 if (!fhci->usb_lld) {
338 fhci_err(fhci, "low level driver config failed\n");
343 ret = fhci_usb_init(fhci);
345 fhci_err(fhci, "low level driver initialize failed\n");
349 spin_lock_init(&fhci->lock);
352 fhci->vroot_hub->dev_num = 1; /* this field may be needed to fix */
353 fhci->vroot_hub->hub.wHubStatus = 0;
354 fhci->vroot_hub->hub.wHubChange = 0;
355 fhci->vroot_hub->port.wPortStatus = 0;
356 fhci->vroot_hub->port.wPortChange = 0;
369 fhci_usb_enable(fhci);
372 fhci_mem_free(fhci);
378 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
380 fhci_usb_disable_interrupt(fhci->usb_lld);
381 fhci_usb_disable(fhci);
383 fhci_usb_free(fhci->usb_lld);
384 fhci->usb_lld = NULL;
385 fhci_mem_free(fhci);
391 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
443 spin_lock_irqsave(&fhci->lock, flags);
457 fhci_queue_urb(fhci, urb);
463 spin_unlock_irqrestore(&fhci->lock, flags);
470 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
471 struct fhci_usb *usb = fhci->usb_lld;
478 spin_lock_irqsave(&fhci->lock, flags);
501 fhci_urb_complete_free(fhci, urb);
505 spin_unlock_irqrestore(&fhci->lock, flags);
513 struct fhci_hcd *fhci;
517 fhci = hcd_to_fhci(hcd);
518 spin_lock_irqsave(&fhci->lock, flags);
523 fhci_urb_complete_free(fhci, td->urb);
525 fhci_recycle_empty_ed(fhci, ed);
528 spin_unlock_irqrestore(&fhci->lock, flags);
533 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
535 return get_frame_num(fhci);
539 .description = "fsl,usb-fhci",
570 struct fhci_hcd *fhci;
594 fhci = hcd_to_fhci(hcd);
615 fhci->regs = hcd->regs;
631 fhci->pram = cpm_muram_addr(pram_addr);
639 fhci->gpios[i] = gpio;
640 fhci->alow_gpios[i] = flags & OF_GPIO_ACTIVE_LOW;
673 fhci->pins[j] = qe_pin_request(node, j);
674 if (IS_ERR(fhci->pins[j])) {
675 ret = PTR_ERR(fhci->pins[j]);
682 fhci->timer = gtm_get_timer16();
683 if (IS_ERR(fhci->timer)) {
684 ret = PTR_ERR(fhci->timer);
689 ret = request_irq(fhci->timer->irq, fhci_frame_limit_timer_irq,
707 fhci->fullspeed_clk = qe_clock_source(sprop);
708 if (fhci->fullspeed_clk == QE_CLK_DUMMY) {
717 fhci->lowspeed_clk = qe_clock_source(sprop);
718 if (fhci->lowspeed_clk == QE_CLK_DUMMY) {
725 if (fhci->fullspeed_clk == QE_CLK_NONE &&
726 fhci->lowspeed_clk == QE_CLK_NONE) {
734 fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);
737 if (fhci->fullspeed_clk != QE_CLK_NONE) {
738 fhci_config_transceiver(fhci, FHCI_PORT_FULL);
739 qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK);
741 fhci_config_transceiver(fhci, FHCI_PORT_LOW);
742 qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3);
746 out_be16(&fhci->regs->usb_event, 0xffff);
747 out_be16(&fhci->regs->usb_mask, 0);
753 fhci_dfs_create(fhci);
761 free_irq(fhci->timer->irq, hcd);
763 gtm_put_timer16(fhci->timer);
767 qe_pin_free(fhci->pins[j]);
770 if (gpio_is_valid(fhci->gpios[i]))
771 gpio_free(fhci->gpios[i]);
784 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
789 free_irq(fhci->timer->irq, hcd);
790 gtm_put_timer16(fhci->timer);
791 cpm_muram_free(cpm_muram_offset(fhci->pram));
793 if (!gpio_is_valid(fhci->gpios[i]))
795 gpio_free(fhci->gpios[i]);
798 qe_pin_free(fhci->pins[j]);
799 fhci_dfs_destroy(fhci);
817 .name = "fsl,usb-fhci",