Lines Matching refs:ci
66 static inline int ep_to_bit(struct ci_hdrc *ci, int n) in ep_to_bit() argument
68 int fill = 16 - ci->hw_ep_max / 2; in ep_to_bit()
70 if (n >= ci->hw_ep_max / 2) in ep_to_bit()
82 static int hw_device_state(struct ci_hdrc *ci, u32 dma) in hw_device_state() argument
85 hw_write(ci, OP_ENDPTLISTADDR, ~0, dma); in hw_device_state()
87 hw_write(ci, OP_USBINTR, ~0, in hw_device_state()
90 hw_write(ci, OP_USBINTR, ~0, 0); in hw_device_state()
102 static int hw_ep_flush(struct ci_hdrc *ci, int num, int dir) in hw_ep_flush() argument
108 hw_write(ci, OP_ENDPTFLUSH, ~0, BIT(n)); in hw_ep_flush()
109 while (hw_read(ci, OP_ENDPTFLUSH, BIT(n))) in hw_ep_flush()
111 } while (hw_read(ci, OP_ENDPTSTAT, BIT(n))); in hw_ep_flush()
123 static int hw_ep_disable(struct ci_hdrc *ci, int num, int dir) in hw_ep_disable() argument
125 hw_ep_flush(ci, num, dir); in hw_ep_disable()
126 hw_write(ci, OP_ENDPTCTRL + num, in hw_ep_disable()
139 static int hw_ep_enable(struct ci_hdrc *ci, int num, int dir, int type) in hw_ep_enable() argument
162 hw_write(ci, OP_ENDPTCTRL + num, mask, data); in hw_ep_enable()
173 static int hw_ep_get_halt(struct ci_hdrc *ci, int num, int dir) in hw_ep_get_halt() argument
177 return hw_read(ci, OP_ENDPTCTRL + num, mask) ? 1 : 0; in hw_ep_get_halt()
188 static int hw_ep_prime(struct ci_hdrc *ci, int num, int dir, int is_ctrl) in hw_ep_prime() argument
192 if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) in hw_ep_prime()
195 hw_write(ci, OP_ENDPTPRIME, ~0, BIT(n)); in hw_ep_prime()
197 while (hw_read(ci, OP_ENDPTPRIME, BIT(n))) in hw_ep_prime()
199 if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) in hw_ep_prime()
215 static int hw_ep_set_halt(struct ci_hdrc *ci, int num, int dir, int value) in hw_ep_set_halt() argument
226 hw_write(ci, reg, mask_xs|mask_xr, in hw_ep_set_halt()
228 } while (value != hw_ep_get_halt(ci, num, dir)); in hw_ep_set_halt()
238 static int hw_port_is_high_speed(struct ci_hdrc *ci) in hw_port_is_high_speed() argument
240 return ci->hw_bank.lpm ? hw_read(ci, OP_DEVLC, DEVLC_PSPD) : in hw_port_is_high_speed()
241 hw_read(ci, OP_PORTSC, PORTSC_HSP); in hw_port_is_high_speed()
251 static int hw_test_and_clear_complete(struct ci_hdrc *ci, int n) in hw_test_and_clear_complete() argument
253 n = ep_to_bit(ci, n); in hw_test_and_clear_complete()
254 return hw_test_and_clear(ci, OP_ENDPTCOMPLETE, BIT(n)); in hw_test_and_clear_complete()
263 static u32 hw_test_and_clear_intr_active(struct ci_hdrc *ci) in hw_test_and_clear_intr_active() argument
265 u32 reg = hw_read_intr_status(ci) & hw_read_intr_enable(ci); in hw_test_and_clear_intr_active()
267 hw_write(ci, OP_USBSTS, ~0, reg); in hw_test_and_clear_intr_active()
277 static int hw_test_and_clear_setup_guard(struct ci_hdrc *ci) in hw_test_and_clear_setup_guard() argument
279 return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, 0); in hw_test_and_clear_setup_guard()
288 static int hw_test_and_set_setup_guard(struct ci_hdrc *ci) in hw_test_and_set_setup_guard() argument
290 return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, USBCMD_SUTW); in hw_test_and_set_setup_guard()
300 static void hw_usb_set_address(struct ci_hdrc *ci, u8 value) in hw_usb_set_address() argument
302 hw_write(ci, OP_DEVICEADDR, DEVICEADDR_USBADR, in hw_usb_set_address()
312 static int hw_usb_reset(struct ci_hdrc *ci) in hw_usb_reset() argument
314 hw_usb_set_address(ci, 0); in hw_usb_reset()
317 hw_write(ci, OP_ENDPTFLUSH, ~0, ~0); in hw_usb_reset()
320 hw_write(ci, OP_ENDPTSETUPSTAT, 0, 0); in hw_usb_reset()
323 hw_write(ci, OP_ENDPTCOMPLETE, 0, 0); in hw_usb_reset()
326 while (hw_read(ci, OP_ENDPTPRIME, ~0)) in hw_usb_reset()
415 struct ci_hdrc *ci = hwep->ci; in _hardware_enqueue() local
427 ret = usb_gadget_map_request(&ci->gadget, &hwreq->req, hwep->dir); in _hardware_enqueue()
477 if (hw_read(ci, OP_ENDPTPRIME, BIT(n))) in _hardware_enqueue()
480 hw_write(ci, OP_USBCMD, USBCMD_ATDTW, USBCMD_ATDTW); in _hardware_enqueue()
481 tmp_stat = hw_read(ci, OP_ENDPTSTAT, BIT(n)); in _hardware_enqueue()
482 } while (!hw_read(ci, OP_USBCMD, USBCMD_ATDTW)); in _hardware_enqueue()
483 hw_write(ci, OP_USBCMD, USBCMD_ATDTW, 0); in _hardware_enqueue()
504 ret = hw_ep_prime(ci, hwep->num, hwep->dir, in _hardware_enqueue()
523 static int reprime_dtd(struct ci_hdrc *ci, struct ci_hw_ep *hwep, in reprime_dtd() argument
533 return hw_ep_prime(ci, hwep->num, hwep->dir, in reprime_dtd()
550 struct ci_hdrc *ci = hwep->ci; in _hardware_dequeue() local
562 if (ci->rev == CI_REVISION_24) in _hardware_dequeue()
563 if (!hw_read(ci, OP_ENDPTSTAT, BIT(n))) in _hardware_dequeue()
564 reprime_dtd(ci, hwep, node); in _hardware_dequeue()
603 usb_gadget_unmap_request(&hwep->ci->gadget, &hwreq->req, hwep->dir); in _hardware_dequeue()
628 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in _ep_nuke()
682 retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value); in _ep_set_halt()
706 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in _gadget_stop_activity() local
709 spin_lock_irqsave(&ci->lock, flags); in _gadget_stop_activity()
710 ci->gadget.speed = USB_SPEED_UNKNOWN; in _gadget_stop_activity()
711 ci->remote_wakeup = 0; in _gadget_stop_activity()
712 ci->suspended = 0; in _gadget_stop_activity()
713 spin_unlock_irqrestore(&ci->lock, flags); in _gadget_stop_activity()
719 usb_ep_fifo_flush(&ci->ep0out->ep); in _gadget_stop_activity()
720 usb_ep_fifo_flush(&ci->ep0in->ep); in _gadget_stop_activity()
727 if (ci->status != NULL) { in _gadget_stop_activity()
728 usb_ep_free_request(&ci->ep0in->ep, ci->status); in _gadget_stop_activity()
729 ci->status = NULL; in _gadget_stop_activity()
744 static void isr_reset_handler(struct ci_hdrc *ci) in isr_reset_handler() argument
745 __releases(ci->lock) in isr_reset_handler()
746 __acquires(ci->lock) in isr_reset_handler()
750 spin_unlock(&ci->lock); in isr_reset_handler()
751 if (ci->gadget.speed != USB_SPEED_UNKNOWN) in isr_reset_handler()
752 usb_gadget_udc_reset(&ci->gadget, ci->driver); in isr_reset_handler()
754 retval = _gadget_stop_activity(&ci->gadget); in isr_reset_handler()
758 retval = hw_usb_reset(ci); in isr_reset_handler()
762 ci->status = usb_ep_alloc_request(&ci->ep0in->ep, GFP_ATOMIC); in isr_reset_handler()
763 if (ci->status == NULL) in isr_reset_handler()
767 spin_lock(&ci->lock); in isr_reset_handler()
770 dev_err(ci->dev, "error: %i\n", retval); in isr_reset_handler()
799 struct ci_hdrc *ci = hwep->ci; in _ep_queue() local
807 hwep = (ci->ep0_dir == RX) ? in _ep_queue()
808 ci->ep0out : ci->ep0in; in _ep_queue()
812 dev_warn(hwep->ci->dev, "endpoint ctrl %X nuked\n", in _ep_queue()
819 dev_err(hwep->ci->dev, "request length too big for isochronous\n"); in _ep_queue()
825 dev_err(hwep->ci->dev, "request already in queue\n"); in _ep_queue()
850 static int isr_get_status_response(struct ci_hdrc *ci, in isr_get_status_response() argument
855 struct ci_hw_ep *hwep = ci->ep0in; in isr_get_status_response()
878 *(u16 *)req->buf = (ci->remote_wakeup << 1) | in isr_get_status_response()
879 ci->gadget.is_selfpowered; in isr_get_status_response()
885 *(u16 *)req->buf = hw_ep_get_halt(ci, num, dir); in isr_get_status_response()
915 struct ci_hdrc *ci = req->context; in isr_setup_status_complete() local
918 if (ci->setaddr) { in isr_setup_status_complete()
919 hw_usb_set_address(ci, ci->address); in isr_setup_status_complete()
920 ci->setaddr = false; in isr_setup_status_complete()
921 if (ci->address) in isr_setup_status_complete()
922 usb_gadget_set_state(&ci->gadget, USB_STATE_ADDRESS); in isr_setup_status_complete()
925 spin_lock_irqsave(&ci->lock, flags); in isr_setup_status_complete()
926 if (ci->test_mode) in isr_setup_status_complete()
927 hw_port_test_set(ci, ci->test_mode); in isr_setup_status_complete()
928 spin_unlock_irqrestore(&ci->lock, flags); in isr_setup_status_complete()
937 static int isr_setup_status_phase(struct ci_hdrc *ci) in isr_setup_status_phase() argument
942 hwep = (ci->ep0_dir == TX) ? ci->ep0out : ci->ep0in; in isr_setup_status_phase()
943 ci->status->context = ci; in isr_setup_status_phase()
944 ci->status->complete = isr_setup_status_complete; in isr_setup_status_phase()
946 retval = _ep_queue(&hwep->ep, ci->status, GFP_ATOMIC); in isr_setup_status_phase()
976 hweptemp = hwep->ci->ep0in; in isr_tr_complete_low()
988 static int otg_a_alt_hnp_support(struct ci_hdrc *ci) in otg_a_alt_hnp_support() argument
990 dev_warn(&ci->gadget.dev, in otg_a_alt_hnp_support()
992 return isr_setup_status_phase(ci); in otg_a_alt_hnp_support()
1001 static void isr_setup_packet_handler(struct ci_hdrc *ci) in isr_setup_packet_handler() argument
1002 __releases(ci->lock) in isr_setup_packet_handler()
1003 __acquires(ci->lock) in isr_setup_packet_handler()
1005 struct ci_hw_ep *hwep = &ci->ci_hw_ep[0]; in isr_setup_packet_handler()
1014 _ep_nuke(ci->ep0out); in isr_setup_packet_handler()
1015 _ep_nuke(ci->ep0in); in isr_setup_packet_handler()
1019 hw_test_and_set_setup_guard(ci); in isr_setup_packet_handler()
1021 } while (!hw_test_and_clear_setup_guard(ci)); in isr_setup_packet_handler()
1025 ci->ep0_dir = (type & USB_DIR_IN) ? TX : RX; in isr_setup_packet_handler()
1038 num += ci->hw_ep_max / 2; in isr_setup_packet_handler()
1039 if (!ci->ci_hw_ep[num].wedge) { in isr_setup_packet_handler()
1040 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1042 &ci->ci_hw_ep[num].ep); in isr_setup_packet_handler()
1043 spin_lock(&ci->lock); in isr_setup_packet_handler()
1047 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1053 ci->remote_wakeup = 0; in isr_setup_packet_handler()
1054 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1067 err = isr_get_status_response(ci, &req); in isr_setup_packet_handler()
1075 ci->address = (u8)le16_to_cpu(req.wValue); in isr_setup_packet_handler()
1076 ci->setaddr = true; in isr_setup_packet_handler()
1077 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1089 num += ci->hw_ep_max / 2; in isr_setup_packet_handler()
1091 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1092 err = _ep_set_halt(&ci->ci_hw_ep[num].ep, 1, false); in isr_setup_packet_handler()
1093 spin_lock(&ci->lock); in isr_setup_packet_handler()
1095 isr_setup_status_phase(ci); in isr_setup_packet_handler()
1101 ci->remote_wakeup = 1; in isr_setup_packet_handler()
1102 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1112 ci->test_mode = tmode; in isr_setup_packet_handler()
1114 ci); in isr_setup_packet_handler()
1121 if (ci_otg_is_fsm_mode(ci)) { in isr_setup_packet_handler()
1122 ci->gadget.b_hnp_enable = 1; in isr_setup_packet_handler()
1124 ci); in isr_setup_packet_handler()
1128 if (ci_otg_is_fsm_mode(ci)) in isr_setup_packet_handler()
1129 err = otg_a_alt_hnp_support(ci); in isr_setup_packet_handler()
1141 ci->ep0_dir = TX; in isr_setup_packet_handler()
1143 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1144 err = ci->driver->setup(&ci->gadget, &req); in isr_setup_packet_handler()
1145 spin_lock(&ci->lock); in isr_setup_packet_handler()
1150 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1152 dev_err(ci->dev, "error: _ep_set_halt\n"); in isr_setup_packet_handler()
1153 spin_lock(&ci->lock); in isr_setup_packet_handler()
1163 static void isr_tr_complete_handler(struct ci_hdrc *ci) in isr_tr_complete_handler() argument
1164 __releases(ci->lock) in isr_tr_complete_handler()
1165 __acquires(ci->lock) in isr_tr_complete_handler()
1170 for (i = 0; i < ci->hw_ep_max; i++) { in isr_tr_complete_handler()
1171 struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; in isr_tr_complete_handler()
1176 if (hw_test_and_clear_complete(ci, i)) { in isr_tr_complete_handler()
1180 err = isr_setup_status_phase(ci); in isr_tr_complete_handler()
1182 spin_unlock(&ci->lock); in isr_tr_complete_handler()
1184 dev_err(ci->dev, in isr_tr_complete_handler()
1186 spin_lock(&ci->lock); in isr_tr_complete_handler()
1193 hw_test_and_clear(ci, OP_ENDPTSETUPSTAT, BIT(0))) in isr_tr_complete_handler()
1194 isr_setup_packet_handler(ci); in isr_tr_complete_handler()
1222 dev_warn(hwep->ci->dev, "enabling a non-empty endpoint!\n"); in ep_enable()
1253 dev_err(hwep->ci->dev, "Set control xfer at non-ep0\n"); in ep_enable()
1262 retval |= hw_ep_enable(hwep->ci, hwep->num, hwep->dir, in ep_enable()
1292 retval |= hw_ep_disable(hwep->ci, hwep->num, hwep->dir); in ep_disable()
1341 dev_err(hwep->ci->dev, "freeing queued request\n"); in ep_free_request()
1399 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in ep_dequeue()
1410 usb_gadget_unmap_request(&hwep->ci->gadget, req, hwep->dir); in ep_dequeue()
1465 dev_err(hwep->ci->dev, "%02X: -EINVAL\n", _usb_addr(hwep)); in ep_fifo_flush()
1471 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in ep_fifo_flush()
1497 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_vbus_session() local
1501 spin_lock_irqsave(&ci->lock, flags); in ci_udc_vbus_session()
1502 ci->vbus_active = is_active; in ci_udc_vbus_session()
1503 if (ci->driver) in ci_udc_vbus_session()
1505 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_vbus_session()
1510 hw_device_reset(ci); in ci_udc_vbus_session()
1511 hw_device_state(ci, ci->ep0out->qh.dma); in ci_udc_vbus_session()
1516 if (ci->driver) in ci_udc_vbus_session()
1517 ci->driver->disconnect(&ci->gadget); in ci_udc_vbus_session()
1518 hw_device_state(ci, 0); in ci_udc_vbus_session()
1519 if (ci->platdata->notify_event) in ci_udc_vbus_session()
1520 ci->platdata->notify_event(ci, in ci_udc_vbus_session()
1522 _gadget_stop_activity(&ci->gadget); in ci_udc_vbus_session()
1533 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_wakeup() local
1537 spin_lock_irqsave(&ci->lock, flags); in ci_udc_wakeup()
1538 if (!ci->remote_wakeup) { in ci_udc_wakeup()
1542 if (!hw_read(ci, OP_PORTSC, PORTSC_SUSP)) { in ci_udc_wakeup()
1546 hw_write(ci, OP_PORTSC, PORTSC_FPR, PORTSC_FPR); in ci_udc_wakeup()
1548 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_wakeup()
1554 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_vbus_draw() local
1556 if (ci->usb_phy) in ci_udc_vbus_draw()
1557 return usb_phy_set_power(ci->usb_phy, ma); in ci_udc_vbus_draw()
1563 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_selfpowered() local
1564 struct ci_hw_ep *hwep = ci->ep0in; in ci_udc_selfpowered()
1579 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_pullup() local
1582 if (ci_otg_is_fsm_mode(ci)) in ci_udc_pullup()
1585 pm_runtime_get_sync(&ci->gadget.dev); in ci_udc_pullup()
1587 hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); in ci_udc_pullup()
1589 hw_write(ci, OP_USBCMD, USBCMD_RS, 0); in ci_udc_pullup()
1590 pm_runtime_put_sync(&ci->gadget.dev); in ci_udc_pullup()
1613 static int init_eps(struct ci_hdrc *ci) in init_eps() argument
1617 for (i = 0; i < ci->hw_ep_max/2; i++) in init_eps()
1619 int k = i + j * ci->hw_ep_max/2; in init_eps()
1620 struct ci_hw_ep *hwep = &ci->ci_hw_ep[k]; in init_eps()
1625 hwep->ci = ci; in init_eps()
1626 hwep->lock = &ci->lock; in init_eps()
1627 hwep->td_pool = ci->td_pool; in init_eps()
1639 hwep->qh.ptr = dma_pool_alloc(ci->qh_pool, GFP_KERNEL, in init_eps()
1652 ci->ep0out = hwep; in init_eps()
1654 ci->ep0in = hwep; in init_eps()
1660 list_add_tail(&hwep->ep.ep_list, &ci->gadget.ep_list); in init_eps()
1666 static void destroy_eps(struct ci_hdrc *ci) in destroy_eps() argument
1670 for (i = 0; i < ci->hw_ep_max; i++) { in destroy_eps()
1671 struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; in destroy_eps()
1675 dma_pool_free(ci->qh_pool, hwep->qh.ptr, hwep->qh.dma); in destroy_eps()
1689 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_start() local
1697 ci->ep0out->ep.desc = &ctrl_endpt_out_desc; in ci_udc_start()
1698 retval = usb_ep_enable(&ci->ep0out->ep); in ci_udc_start()
1702 ci->ep0in->ep.desc = &ctrl_endpt_in_desc; in ci_udc_start()
1703 retval = usb_ep_enable(&ci->ep0in->ep); in ci_udc_start()
1707 ci->driver = driver; in ci_udc_start()
1710 if (ci_otg_is_fsm_mode(ci) && ci->fsm.id) { in ci_udc_start()
1711 ci_hdrc_otg_fsm_start(ci); in ci_udc_start()
1715 pm_runtime_get_sync(&ci->gadget.dev); in ci_udc_start()
1716 if (ci->vbus_active) { in ci_udc_start()
1717 spin_lock_irqsave(&ci->lock, flags); in ci_udc_start()
1718 hw_device_reset(ci); in ci_udc_start()
1720 usb_udc_vbus_handler(&ci->gadget, false); in ci_udc_start()
1721 pm_runtime_put_sync(&ci->gadget.dev); in ci_udc_start()
1725 retval = hw_device_state(ci, ci->ep0out->qh.dma); in ci_udc_start()
1726 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_start()
1728 pm_runtime_put_sync(&ci->gadget.dev); in ci_udc_start()
1733 static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci) in ci_udc_stop_for_otg_fsm() argument
1735 if (!ci_otg_is_fsm_mode(ci)) in ci_udc_stop_for_otg_fsm()
1738 mutex_lock(&ci->fsm.lock); in ci_udc_stop_for_otg_fsm()
1739 if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) { in ci_udc_stop_for_otg_fsm()
1740 ci->fsm.a_bidl_adis_tmout = 1; in ci_udc_stop_for_otg_fsm()
1741 ci_hdrc_otg_fsm_start(ci); in ci_udc_stop_for_otg_fsm()
1742 } else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) { in ci_udc_stop_for_otg_fsm()
1743 ci->fsm.protocol = PROTO_UNDEF; in ci_udc_stop_for_otg_fsm()
1744 ci->fsm.otg->state = OTG_STATE_UNDEFINED; in ci_udc_stop_for_otg_fsm()
1746 mutex_unlock(&ci->fsm.lock); in ci_udc_stop_for_otg_fsm()
1754 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_stop() local
1757 spin_lock_irqsave(&ci->lock, flags); in ci_udc_stop()
1759 if (ci->vbus_active) { in ci_udc_stop()
1760 hw_device_state(ci, 0); in ci_udc_stop()
1761 if (ci->platdata->notify_event) in ci_udc_stop()
1762 ci->platdata->notify_event(ci, in ci_udc_stop()
1764 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_stop()
1765 _gadget_stop_activity(&ci->gadget); in ci_udc_stop()
1766 spin_lock_irqsave(&ci->lock, flags); in ci_udc_stop()
1767 pm_runtime_put(&ci->gadget.dev); in ci_udc_stop()
1770 ci->driver = NULL; in ci_udc_stop()
1771 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_stop()
1773 ci_udc_stop_for_otg_fsm(ci); in ci_udc_stop()
1786 static irqreturn_t udc_irq(struct ci_hdrc *ci) in udc_irq() argument
1791 if (ci == NULL) in udc_irq()
1794 spin_lock(&ci->lock); in udc_irq()
1796 if (ci->platdata->flags & CI_HDRC_REGS_SHARED) { in udc_irq()
1797 if (hw_read(ci, OP_USBMODE, USBMODE_CM) != in udc_irq()
1799 spin_unlock(&ci->lock); in udc_irq()
1803 intr = hw_test_and_clear_intr_active(ci); in udc_irq()
1808 isr_reset_handler(ci); in udc_irq()
1811 ci->gadget.speed = hw_port_is_high_speed(ci) ? in udc_irq()
1813 if (ci->suspended && ci->driver->resume) { in udc_irq()
1814 spin_unlock(&ci->lock); in udc_irq()
1815 ci->driver->resume(&ci->gadget); in udc_irq()
1816 spin_lock(&ci->lock); in udc_irq()
1817 ci->suspended = 0; in udc_irq()
1822 isr_tr_complete_handler(ci); in udc_irq()
1825 if (ci->gadget.speed != USB_SPEED_UNKNOWN && in udc_irq()
1826 ci->driver->suspend) { in udc_irq()
1827 ci->suspended = 1; in udc_irq()
1828 spin_unlock(&ci->lock); in udc_irq()
1829 ci->driver->suspend(&ci->gadget); in udc_irq()
1830 usb_gadget_set_state(&ci->gadget, in udc_irq()
1832 spin_lock(&ci->lock); in udc_irq()
1839 spin_unlock(&ci->lock); in udc_irq()
1848 static int udc_start(struct ci_hdrc *ci) in udc_start() argument
1850 struct device *dev = ci->dev; in udc_start()
1853 spin_lock_init(&ci->lock); in udc_start()
1855 ci->gadget.ops = &usb_gadget_ops; in udc_start()
1856 ci->gadget.speed = USB_SPEED_UNKNOWN; in udc_start()
1857 ci->gadget.max_speed = USB_SPEED_HIGH; in udc_start()
1858 ci->gadget.is_otg = ci->is_otg ? 1 : 0; in udc_start()
1859 ci->gadget.name = ci->platdata->name; in udc_start()
1861 INIT_LIST_HEAD(&ci->gadget.ep_list); in udc_start()
1864 ci->qh_pool = dma_pool_create("ci_hw_qh", dev, in udc_start()
1867 if (ci->qh_pool == NULL) in udc_start()
1870 ci->td_pool = dma_pool_create("ci_hw_td", dev, in udc_start()
1873 if (ci->td_pool == NULL) { in udc_start()
1878 retval = init_eps(ci); in udc_start()
1882 ci->gadget.ep0 = &ci->ep0in->ep; in udc_start()
1884 retval = usb_add_gadget_udc(dev, &ci->gadget); in udc_start()
1888 pm_runtime_no_callbacks(&ci->gadget.dev); in udc_start()
1889 pm_runtime_enable(&ci->gadget.dev); in udc_start()
1894 destroy_eps(ci); in udc_start()
1896 dma_pool_destroy(ci->td_pool); in udc_start()
1898 dma_pool_destroy(ci->qh_pool); in udc_start()
1907 void ci_hdrc_gadget_destroy(struct ci_hdrc *ci) in ci_hdrc_gadget_destroy() argument
1909 if (!ci->roles[CI_ROLE_GADGET]) in ci_hdrc_gadget_destroy()
1912 usb_del_gadget_udc(&ci->gadget); in ci_hdrc_gadget_destroy()
1914 destroy_eps(ci); in ci_hdrc_gadget_destroy()
1916 dma_pool_destroy(ci->td_pool); in ci_hdrc_gadget_destroy()
1917 dma_pool_destroy(ci->qh_pool); in ci_hdrc_gadget_destroy()
1920 static int udc_id_switch_for_device(struct ci_hdrc *ci) in udc_id_switch_for_device() argument
1922 if (ci->is_otg) in udc_id_switch_for_device()
1924 hw_write_otgsc(ci, OTGSC_BSVIS | OTGSC_BSVIE, in udc_id_switch_for_device()
1930 static void udc_id_switch_for_host(struct ci_hdrc *ci) in udc_id_switch_for_host() argument
1936 if (ci->is_otg) in udc_id_switch_for_host()
1937 hw_write_otgsc(ci, OTGSC_BSVIE | OTGSC_BSVIS, OTGSC_BSVIS); in udc_id_switch_for_host()
1946 int ci_hdrc_gadget_init(struct ci_hdrc *ci) in ci_hdrc_gadget_init() argument
1950 if (!hw_read(ci, CAP_DCCPARAMS, DCCPARAMS_DC)) in ci_hdrc_gadget_init()
1953 rdrv = devm_kzalloc(ci->dev, sizeof(struct ci_role_driver), GFP_KERNEL); in ci_hdrc_gadget_init()
1961 ci->roles[CI_ROLE_GADGET] = rdrv; in ci_hdrc_gadget_init()
1963 return udc_start(ci); in ci_hdrc_gadget_init()