Lines Matching refs:fhci
33 #include "fhci.h"
35 void fhci_start_sof_timer(struct fhci_hcd *fhci)
37 fhci_dbg(fhci, "-> %s\n", __func__);
40 out_be16(&fhci->pram->frame_num, 0);
42 out_be16(&fhci->regs->usb_ussft, 0);
43 setbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);
45 fhci_dbg(fhci, "<- %s\n", __func__);
48 void fhci_stop_sof_timer(struct fhci_hcd *fhci)
50 fhci_dbg(fhci, "-> %s\n", __func__);
52 clrbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);
53 gtm_stop_timer16(fhci->timer);
55 fhci_dbg(fhci, "<- %s\n", __func__);
60 return be16_to_cpu(in_be16(&usb->fhci->regs->usb_ussft) / 12);
83 struct fhci_hcd *fhci = usb->fhci;
87 enable_irq(fhci_to_hcd(fhci)->irq);
90 out_be16(&usb->fhci->regs->usb_usber, 0xffff);
91 out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);
94 enable_irq(fhci->timer->irq);
96 fhci_info(fhci, "unbalanced USB interrupts nesting\n");
103 struct fhci_hcd *fhci = usb->fhci;
107 disable_irq_nosync(fhci->timer->irq);
110 disable_irq_nosync(fhci_to_hcd(fhci)->irq);
111 out_be16(&usb->fhci->regs->usb_usbmr, 0);
117 static u32 fhci_usb_enable(struct fhci_hcd *fhci)
119 struct fhci_usb *usb = fhci->usb_lld;
121 out_be16(&usb->fhci->regs->usb_usber, 0xffff);
122 out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);
123 setbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);
131 static u32 fhci_usb_disable(struct fhci_hcd *fhci)
133 struct fhci_usb *usb = fhci->usb_lld;
136 fhci_port_disable(fhci);
141 fhci_device_disconnected_interrupt(fhci);
143 clrbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);
149 int fhci_ioports_check_bus_state(struct fhci_hcd *fhci)
154 if (!gpiod_get_value(fhci->gpiods[GPIO_USBOE]))
158 if (gpiod_get_value(fhci->gpiods[GPIO_USBRP]))
162 if (gpiod_get_value(fhci->gpiods[GPIO_USBRN]))
168 static void fhci_mem_free(struct fhci_hcd *fhci)
175 list_for_each_entry_safe(ed, next_ed, &fhci->empty_eds, node) {
180 list_for_each_entry_safe(td, next_td, &fhci->empty_tds, node) {
185 kfree(fhci->vroot_hub);
186 fhci->vroot_hub = NULL;
188 kfree(fhci->hc_list);
189 fhci->hc_list = NULL;
192 static int fhci_mem_init(struct fhci_hcd *fhci)
196 fhci->hc_list = kzalloc(sizeof(*fhci->hc_list), GFP_KERNEL);
197 if (!fhci->hc_list)
200 INIT_LIST_HEAD(&fhci->hc_list->ctrl_list);
201 INIT_LIST_HEAD(&fhci->hc_list->bulk_list);
202 INIT_LIST_HEAD(&fhci->hc_list->iso_list);
203 INIT_LIST_HEAD(&fhci->hc_list->intr_list);
204 INIT_LIST_HEAD(&fhci->hc_list->done_list);
206 fhci->vroot_hub = kzalloc(sizeof(*fhci->vroot_hub), GFP_KERNEL);
207 if (!fhci->vroot_hub)
210 INIT_LIST_HEAD(&fhci->empty_eds);
211 INIT_LIST_HEAD(&fhci->empty_tds);
214 fhci_tasklet.data = (unsigned long)fhci;
215 fhci->process_done_task = &fhci_tasklet;
223 fhci_recycle_empty_td(fhci, td);
231 fhci_recycle_empty_ed(fhci, ed);
234 fhci->active_urbs = 0;
237 fhci_mem_free(fhci);
245 struct fhci_hcd *fhci;
248 fhci = usb->fhci;
249 fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);
257 static int fhci_usb_init(struct fhci_hcd *fhci)
259 struct fhci_usb *usb = fhci->usb_lld;
261 memset_io(usb->fhci->pram, 0, FHCI_PRAM_SIZE);
276 out_be16(&fhci->pram->frame_num, 0);
279 out_be32(&fhci->pram->rx_state, 0);
287 out_8(&usb->fhci->regs->usb_usmod, USB_MODE_HOST | USB_MODE_EN);
290 out_be16(&usb->fhci->regs->usb_usbmr, 0);
293 out_be16(&usb->fhci->regs->usb_usber, 0xffff);
304 static struct fhci_usb *fhci_create_lld(struct fhci_hcd *fhci)
313 usb->fhci = fhci;
314 usb->hc_list = fhci->hc_list;
315 usb->vroot_hub = fhci->vroot_hub;
325 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
327 ret = fhci_mem_init(fhci);
329 fhci_err(fhci, "failed to allocate memory\n");
333 fhci->usb_lld = fhci_create_lld(fhci);
334 if (!fhci->usb_lld) {
335 fhci_err(fhci, "low level driver config failed\n");
340 ret = fhci_usb_init(fhci);
342 fhci_err(fhci, "low level driver initialize failed\n");
346 spin_lock_init(&fhci->lock);
349 fhci->vroot_hub->dev_num = 1; /* this field may be needed to fix */
350 fhci->vroot_hub->hub.wHubStatus = 0;
351 fhci->vroot_hub->hub.wHubChange = 0;
352 fhci->vroot_hub->port.wPortStatus = 0;
353 fhci->vroot_hub->port.wPortChange = 0;
366 fhci_usb_enable(fhci);
369 fhci_mem_free(fhci);
375 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
377 fhci_usb_disable_interrupt(fhci->usb_lld);
378 fhci_usb_disable(fhci);
380 fhci_usb_free(fhci->usb_lld);
381 fhci->usb_lld = NULL;
382 fhci_mem_free(fhci);
388 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
440 spin_lock_irqsave(&fhci->lock, flags);
454 fhci_queue_urb(fhci, urb);
460 spin_unlock_irqrestore(&fhci->lock, flags);
467 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
468 struct fhci_usb *usb = fhci->usb_lld;
475 spin_lock_irqsave(&fhci->lock, flags);
498 fhci_urb_complete_free(fhci, urb);
502 spin_unlock_irqrestore(&fhci->lock, flags);
510 struct fhci_hcd *fhci;
514 fhci = hcd_to_fhci(hcd);
515 spin_lock_irqsave(&fhci->lock, flags);
520 fhci_urb_complete_free(fhci, td->urb);
522 fhci_recycle_empty_ed(fhci, ed);
525 spin_unlock_irqrestore(&fhci->lock, flags);
530 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
532 return get_frame_num(fhci);
536 .description = "fsl,usb-fhci",
566 struct fhci_hcd *fhci;
590 fhci = hcd_to_fhci(hcd);
611 fhci->regs = hcd->regs;
630 fhci->pram = cpm_muram_addr(pram_addr);
635 fhci->gpiods[i] = devm_gpiod_get_index(dev,
639 fhci->gpiods[i] = devm_gpiod_get_index_optional(dev,
642 if (IS_ERR(fhci->gpiods[i])) {
644 i, PTR_ERR(fhci->gpiods[i]));
647 if (!fhci->gpiods[i]) {
655 fhci->pins[j] = qe_pin_request(dev, j);
656 if (IS_ERR(fhci->pins[j])) {
657 ret = PTR_ERR(fhci->pins[j]);
664 fhci->timer = gtm_get_timer16();
665 if (IS_ERR(fhci->timer)) {
666 ret = PTR_ERR(fhci->timer);
671 ret = request_irq(fhci->timer->irq, fhci_frame_limit_timer_irq,
689 fhci->fullspeed_clk = qe_clock_source(sprop);
690 if (fhci->fullspeed_clk == QE_CLK_DUMMY) {
699 fhci->lowspeed_clk = qe_clock_source(sprop);
700 if (fhci->lowspeed_clk == QE_CLK_DUMMY) {
707 if (fhci->fullspeed_clk == QE_CLK_NONE &&
708 fhci->lowspeed_clk == QE_CLK_NONE) {
716 fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);
719 if (fhci->fullspeed_clk != QE_CLK_NONE) {
720 fhci_config_transceiver(fhci, FHCI_PORT_FULL);
721 qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK);
723 fhci_config_transceiver(fhci, FHCI_PORT_LOW);
724 qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3);
728 out_be16(&fhci->regs->usb_usber, 0xffff);
729 out_be16(&fhci->regs->usb_usbmr, 0);
737 fhci_dfs_create(fhci);
745 free_irq(fhci->timer->irq, hcd);
747 gtm_put_timer16(fhci->timer);
751 qe_pin_free(fhci->pins[j]);
764 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
768 free_irq(fhci->timer->irq, hcd);
769 gtm_put_timer16(fhci->timer);
770 cpm_muram_free(cpm_muram_offset(fhci->pram));
772 qe_pin_free(fhci->pins[j]);
773 fhci_dfs_destroy(fhci);
790 .name = "fsl,usb-fhci",