Lines Matching refs:fhci
32 #include "fhci.h"
34 void fhci_start_sof_timer(struct fhci_hcd *fhci)
36 fhci_dbg(fhci, "-> %s\n", __func__);
39 out_be16(&fhci->pram->frame_num, 0);
41 out_be16(&fhci->regs->usb_ussft, 0);
42 setbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);
44 fhci_dbg(fhci, "<- %s\n", __func__);
47 void fhci_stop_sof_timer(struct fhci_hcd *fhci)
49 fhci_dbg(fhci, "-> %s\n", __func__);
51 clrbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);
52 gtm_stop_timer16(fhci->timer);
54 fhci_dbg(fhci, "<- %s\n", __func__);
59 return be16_to_cpu(in_be16(&usb->fhci->regs->usb_ussft) / 12);
82 struct fhci_hcd *fhci = usb->fhci;
86 enable_irq(fhci_to_hcd(fhci)->irq);
89 out_be16(&usb->fhci->regs->usb_usber, 0xffff);
90 out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);
93 enable_irq(fhci->timer->irq);
95 fhci_info(fhci, "unbalanced USB interrupts nesting\n");
102 struct fhci_hcd *fhci = usb->fhci;
106 disable_irq_nosync(fhci->timer->irq);
109 disable_irq_nosync(fhci_to_hcd(fhci)->irq);
110 out_be16(&usb->fhci->regs->usb_usbmr, 0);
116 static u32 fhci_usb_enable(struct fhci_hcd *fhci)
118 struct fhci_usb *usb = fhci->usb_lld;
120 out_be16(&usb->fhci->regs->usb_usber, 0xffff);
121 out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);
122 setbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);
130 static u32 fhci_usb_disable(struct fhci_hcd *fhci)
132 struct fhci_usb *usb = fhci->usb_lld;
135 fhci_port_disable(fhci);
140 fhci_device_disconnected_interrupt(fhci);
142 clrbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);
148 int fhci_ioports_check_bus_state(struct fhci_hcd *fhci)
153 if (!gpio_get_value(fhci->gpios[GPIO_USBOE]))
157 if (gpio_get_value(fhci->gpios[GPIO_USBRP]))
161 if (gpio_get_value(fhci->gpios[GPIO_USBRN]))
167 static void fhci_mem_free(struct fhci_hcd *fhci)
174 list_for_each_entry_safe(ed, next_ed, &fhci->empty_eds, node) {
179 list_for_each_entry_safe(td, next_td, &fhci->empty_tds, node) {
184 kfree(fhci->vroot_hub);
185 fhci->vroot_hub = NULL;
187 kfree(fhci->hc_list);
188 fhci->hc_list = NULL;
191 static int fhci_mem_init(struct fhci_hcd *fhci)
195 fhci->hc_list = kzalloc(sizeof(*fhci->hc_list), GFP_KERNEL);
196 if (!fhci->hc_list)
199 INIT_LIST_HEAD(&fhci->hc_list->ctrl_list);
200 INIT_LIST_HEAD(&fhci->hc_list->bulk_list);
201 INIT_LIST_HEAD(&fhci->hc_list->iso_list);
202 INIT_LIST_HEAD(&fhci->hc_list->intr_list);
203 INIT_LIST_HEAD(&fhci->hc_list->done_list);
205 fhci->vroot_hub = kzalloc(sizeof(*fhci->vroot_hub), GFP_KERNEL);
206 if (!fhci->vroot_hub)
209 INIT_LIST_HEAD(&fhci->empty_eds);
210 INIT_LIST_HEAD(&fhci->empty_tds);
213 fhci_tasklet.data = (unsigned long)fhci;
214 fhci->process_done_task = &fhci_tasklet;
222 fhci_recycle_empty_td(fhci, td);
230 fhci_recycle_empty_ed(fhci, ed);
233 fhci->active_urbs = 0;
236 fhci_mem_free(fhci);
244 struct fhci_hcd *fhci;
247 fhci = usb->fhci;
248 fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);
256 static int fhci_usb_init(struct fhci_hcd *fhci)
258 struct fhci_usb *usb = fhci->usb_lld;
260 memset_io(usb->fhci->pram, 0, FHCI_PRAM_SIZE);
275 out_be16(&fhci->pram->frame_num, 0);
278 out_be32(&fhci->pram->rx_state, 0);
286 out_8(&usb->fhci->regs->usb_usmod, USB_MODE_HOST | USB_MODE_EN);
289 out_be16(&usb->fhci->regs->usb_usbmr, 0);
292 out_be16(&usb->fhci->regs->usb_usber, 0xffff);
303 static struct fhci_usb *fhci_create_lld(struct fhci_hcd *fhci)
312 usb->fhci = fhci;
313 usb->hc_list = fhci->hc_list;
314 usb->vroot_hub = fhci->vroot_hub;
324 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
326 ret = fhci_mem_init(fhci);
328 fhci_err(fhci, "failed to allocate memory\n");
332 fhci->usb_lld = fhci_create_lld(fhci);
333 if (!fhci->usb_lld) {
334 fhci_err(fhci, "low level driver config failed\n");
339 ret = fhci_usb_init(fhci);
341 fhci_err(fhci, "low level driver initialize failed\n");
345 spin_lock_init(&fhci->lock);
348 fhci->vroot_hub->dev_num = 1; /* this field may be needed to fix */
349 fhci->vroot_hub->hub.wHubStatus = 0;
350 fhci->vroot_hub->hub.wHubChange = 0;
351 fhci->vroot_hub->port.wPortStatus = 0;
352 fhci->vroot_hub->port.wPortChange = 0;
365 fhci_usb_enable(fhci);
368 fhci_mem_free(fhci);
374 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
376 fhci_usb_disable_interrupt(fhci->usb_lld);
377 fhci_usb_disable(fhci);
379 fhci_usb_free(fhci->usb_lld);
380 fhci->usb_lld = NULL;
381 fhci_mem_free(fhci);
387 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);
638 fhci->gpios[i] = gpio;
639 fhci->alow_gpios[i] = flags & OF_GPIO_ACTIVE_LOW;
672 fhci->pins[j] = qe_pin_request(node, j);
673 if (IS_ERR(fhci->pins[j])) {
674 ret = PTR_ERR(fhci->pins[j]);
681 fhci->timer = gtm_get_timer16();
682 if (IS_ERR(fhci->timer)) {
683 ret = PTR_ERR(fhci->timer);
688 ret = request_irq(fhci->timer->irq, fhci_frame_limit_timer_irq,
706 fhci->fullspeed_clk = qe_clock_source(sprop);
707 if (fhci->fullspeed_clk == QE_CLK_DUMMY) {
716 fhci->lowspeed_clk = qe_clock_source(sprop);
717 if (fhci->lowspeed_clk == QE_CLK_DUMMY) {
724 if (fhci->fullspeed_clk == QE_CLK_NONE &&
725 fhci->lowspeed_clk == QE_CLK_NONE) {
733 fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);
736 if (fhci->fullspeed_clk != QE_CLK_NONE) {
737 fhci_config_transceiver(fhci, FHCI_PORT_FULL);
738 qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK);
740 fhci_config_transceiver(fhci, FHCI_PORT_LOW);
741 qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3);
745 out_be16(&fhci->regs->usb_usber, 0xffff);
746 out_be16(&fhci->regs->usb_usbmr, 0);
754 fhci_dfs_create(fhci);
762 free_irq(fhci->timer->irq, hcd);
764 gtm_put_timer16(fhci->timer);
768 qe_pin_free(fhci->pins[j]);
771 if (gpio_is_valid(fhci->gpios[i]))
772 gpio_free(fhci->gpios[i]);
785 struct fhci_hcd *fhci = hcd_to_fhci(hcd);
790 free_irq(fhci->timer->irq, hcd);
791 gtm_put_timer16(fhci->timer);
792 cpm_muram_free(cpm_muram_offset(fhci->pram));
794 if (!gpio_is_valid(fhci->gpios[i]))
796 gpio_free(fhci->gpios[i]);
799 qe_pin_free(fhci->pins[j]);
800 fhci_dfs_destroy(fhci);
818 .name = "fsl,usb-fhci",