Lines Matching refs:ci
63 static inline int ep_to_bit(struct ci_hdrc *ci, int n) in ep_to_bit() argument
65 int fill = 16 - ci->hw_ep_max / 2; in ep_to_bit()
67 if (n >= ci->hw_ep_max / 2) in ep_to_bit()
79 static int hw_device_state(struct ci_hdrc *ci, u32 dma) in hw_device_state() argument
82 hw_write(ci, OP_ENDPTLISTADDR, ~0, dma); in hw_device_state()
84 hw_write(ci, OP_USBINTR, ~0, in hw_device_state()
87 hw_write(ci, OP_USBINTR, ~0, 0); in hw_device_state()
99 static int hw_ep_flush(struct ci_hdrc *ci, int num, int dir) in hw_ep_flush() argument
105 hw_write(ci, OP_ENDPTFLUSH, ~0, BIT(n)); in hw_ep_flush()
106 while (hw_read(ci, OP_ENDPTFLUSH, BIT(n))) in hw_ep_flush()
108 } while (hw_read(ci, OP_ENDPTSTAT, BIT(n))); in hw_ep_flush()
120 static int hw_ep_disable(struct ci_hdrc *ci, int num, int dir) in hw_ep_disable() argument
122 hw_write(ci, OP_ENDPTCTRL + num, in hw_ep_disable()
135 static int hw_ep_enable(struct ci_hdrc *ci, int num, int dir, int type) in hw_ep_enable() argument
158 hw_write(ci, OP_ENDPTCTRL + num, mask, data); in hw_ep_enable()
169 static int hw_ep_get_halt(struct ci_hdrc *ci, int num, int dir) in hw_ep_get_halt() argument
173 return hw_read(ci, OP_ENDPTCTRL + num, mask) ? 1 : 0; in hw_ep_get_halt()
184 static int hw_ep_prime(struct ci_hdrc *ci, int num, int dir, int is_ctrl) in hw_ep_prime() argument
191 if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) in hw_ep_prime()
194 hw_write(ci, OP_ENDPTPRIME, ~0, BIT(n)); in hw_ep_prime()
196 while (hw_read(ci, OP_ENDPTPRIME, BIT(n))) in hw_ep_prime()
198 if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) in hw_ep_prime()
214 static int hw_ep_set_halt(struct ci_hdrc *ci, int num, int dir, int value) in hw_ep_set_halt() argument
225 hw_write(ci, reg, mask_xs|mask_xr, in hw_ep_set_halt()
227 } while (value != hw_ep_get_halt(ci, num, dir)); in hw_ep_set_halt()
237 static int hw_port_is_high_speed(struct ci_hdrc *ci) in hw_port_is_high_speed() argument
239 return ci->hw_bank.lpm ? hw_read(ci, OP_DEVLC, DEVLC_PSPD) : in hw_port_is_high_speed()
240 hw_read(ci, OP_PORTSC, PORTSC_HSP); in hw_port_is_high_speed()
250 static int hw_test_and_clear_complete(struct ci_hdrc *ci, int n) in hw_test_and_clear_complete() argument
252 n = ep_to_bit(ci, n); in hw_test_and_clear_complete()
253 return hw_test_and_clear(ci, OP_ENDPTCOMPLETE, BIT(n)); in hw_test_and_clear_complete()
262 static u32 hw_test_and_clear_intr_active(struct ci_hdrc *ci) in hw_test_and_clear_intr_active() argument
264 u32 reg = hw_read_intr_status(ci) & hw_read_intr_enable(ci); in hw_test_and_clear_intr_active()
266 hw_write(ci, OP_USBSTS, ~0, reg); in hw_test_and_clear_intr_active()
276 static int hw_test_and_clear_setup_guard(struct ci_hdrc *ci) in hw_test_and_clear_setup_guard() argument
278 return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, 0); in hw_test_and_clear_setup_guard()
287 static int hw_test_and_set_setup_guard(struct ci_hdrc *ci) in hw_test_and_set_setup_guard() argument
289 return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, USBCMD_SUTW); in hw_test_and_set_setup_guard()
299 static void hw_usb_set_address(struct ci_hdrc *ci, u8 value) in hw_usb_set_address() argument
301 hw_write(ci, OP_DEVICEADDR, DEVICEADDR_USBADR, in hw_usb_set_address()
311 static int hw_usb_reset(struct ci_hdrc *ci) in hw_usb_reset() argument
313 hw_usb_set_address(ci, 0); in hw_usb_reset()
316 hw_write(ci, OP_ENDPTFLUSH, ~0, ~0); in hw_usb_reset()
319 hw_write(ci, OP_ENDPTSETUPSTAT, 0, 0); in hw_usb_reset()
322 hw_write(ci, OP_ENDPTCOMPLETE, 0, 0); in hw_usb_reset()
325 while (hw_read(ci, OP_ENDPTPRIME, ~0)) in hw_usb_reset()
412 struct ci_hdrc *ci = hwep->ci; in _hardware_enqueue() local
424 ret = usb_gadget_map_request_by_dev(ci->dev->parent, in _hardware_enqueue()
484 if (hw_read(ci, OP_ENDPTPRIME, BIT(n))) in _hardware_enqueue()
487 hw_write(ci, OP_USBCMD, USBCMD_ATDTW, USBCMD_ATDTW); in _hardware_enqueue()
488 tmp_stat = hw_read(ci, OP_ENDPTSTAT, BIT(n)); in _hardware_enqueue()
489 } while (!hw_read(ci, OP_USBCMD, USBCMD_ATDTW)); in _hardware_enqueue()
490 hw_write(ci, OP_USBCMD, USBCMD_ATDTW, 0); in _hardware_enqueue()
509 ret = hw_ep_prime(ci, hwep->num, hwep->dir, in _hardware_enqueue()
528 static int reprime_dtd(struct ci_hdrc *ci, struct ci_hw_ep *hwep, in reprime_dtd() argument
535 return hw_ep_prime(ci, hwep->num, hwep->dir, in reprime_dtd()
552 struct ci_hdrc *ci = hwep->ci; in _hardware_dequeue() local
564 if (ci->rev == CI_REVISION_24) in _hardware_dequeue()
565 if (!hw_read(ci, OP_ENDPTSTAT, BIT(n))) in _hardware_dequeue()
566 reprime_dtd(ci, hwep, node); in _hardware_dequeue()
605 usb_gadget_unmap_request_by_dev(hwep->ci->dev->parent, in _hardware_dequeue()
631 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in _ep_nuke()
685 retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value); in _ep_set_halt()
709 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in _gadget_stop_activity() local
716 usb_ep_fifo_flush(&ci->ep0out->ep); in _gadget_stop_activity()
717 usb_ep_fifo_flush(&ci->ep0in->ep); in _gadget_stop_activity()
724 if (ci->status != NULL) { in _gadget_stop_activity()
725 usb_ep_free_request(&ci->ep0in->ep, ci->status); in _gadget_stop_activity()
726 ci->status = NULL; in _gadget_stop_activity()
729 spin_lock_irqsave(&ci->lock, flags); in _gadget_stop_activity()
730 ci->gadget.speed = USB_SPEED_UNKNOWN; in _gadget_stop_activity()
731 ci->remote_wakeup = 0; in _gadget_stop_activity()
732 ci->suspended = 0; in _gadget_stop_activity()
733 spin_unlock_irqrestore(&ci->lock, flags); in _gadget_stop_activity()
747 static void isr_reset_handler(struct ci_hdrc *ci) in isr_reset_handler() argument
748 __releases(ci->lock) in isr_reset_handler()
749 __acquires(ci->lock) in isr_reset_handler()
753 spin_unlock(&ci->lock); in isr_reset_handler()
754 if (ci->gadget.speed != USB_SPEED_UNKNOWN) in isr_reset_handler()
755 usb_gadget_udc_reset(&ci->gadget, ci->driver); in isr_reset_handler()
757 retval = _gadget_stop_activity(&ci->gadget); in isr_reset_handler()
761 retval = hw_usb_reset(ci); in isr_reset_handler()
765 ci->status = usb_ep_alloc_request(&ci->ep0in->ep, GFP_ATOMIC); in isr_reset_handler()
766 if (ci->status == NULL) in isr_reset_handler()
770 spin_lock(&ci->lock); in isr_reset_handler()
773 dev_err(ci->dev, "error: %i\n", retval); in isr_reset_handler()
806 struct ci_hdrc *ci = hwep->ci; in _ep_queue() local
814 hwep = (ci->ep0_dir == RX) ? in _ep_queue()
815 ci->ep0out : ci->ep0in; in _ep_queue()
818 dev_warn(hwep->ci->dev, "endpoint ctrl %X nuked\n", in _ep_queue()
825 dev_err(hwep->ci->dev, "request length too big for isochronous\n"); in _ep_queue()
831 dev_err(hwep->ci->dev, "request already in queue\n"); in _ep_queue()
856 static int isr_get_status_response(struct ci_hdrc *ci, in isr_get_status_response() argument
861 struct ci_hw_ep *hwep = ci->ep0in; in isr_get_status_response()
884 *(u16 *)req->buf = (ci->remote_wakeup << 1) | in isr_get_status_response()
885 ci->gadget.is_selfpowered; in isr_get_status_response()
891 *(u16 *)req->buf = hw_ep_get_halt(ci, num, dir); in isr_get_status_response()
921 struct ci_hdrc *ci = req->context; in isr_setup_status_complete() local
924 if (ci->setaddr) { in isr_setup_status_complete()
925 hw_usb_set_address(ci, ci->address); in isr_setup_status_complete()
926 ci->setaddr = false; in isr_setup_status_complete()
927 if (ci->address) in isr_setup_status_complete()
928 usb_gadget_set_state(&ci->gadget, USB_STATE_ADDRESS); in isr_setup_status_complete()
931 spin_lock_irqsave(&ci->lock, flags); in isr_setup_status_complete()
932 if (ci->test_mode) in isr_setup_status_complete()
933 hw_port_test_set(ci, ci->test_mode); in isr_setup_status_complete()
934 spin_unlock_irqrestore(&ci->lock, flags); in isr_setup_status_complete()
943 static int isr_setup_status_phase(struct ci_hdrc *ci) in isr_setup_status_phase() argument
953 if (WARN_ON_ONCE(!ci->status)) in isr_setup_status_phase()
956 hwep = (ci->ep0_dir == TX) ? ci->ep0out : ci->ep0in; in isr_setup_status_phase()
957 ci->status->context = ci; in isr_setup_status_phase()
958 ci->status->complete = isr_setup_status_complete; in isr_setup_status_phase()
960 return _ep_queue(&hwep->ep, ci->status, GFP_ATOMIC); in isr_setup_status_phase()
988 hweptemp = hwep->ci->ep0in; in isr_tr_complete_low()
1000 static int otg_a_alt_hnp_support(struct ci_hdrc *ci) in otg_a_alt_hnp_support() argument
1002 dev_warn(&ci->gadget.dev, in otg_a_alt_hnp_support()
1004 return isr_setup_status_phase(ci); in otg_a_alt_hnp_support()
1013 static void isr_setup_packet_handler(struct ci_hdrc *ci) in isr_setup_packet_handler() argument
1014 __releases(ci->lock) in isr_setup_packet_handler()
1015 __acquires(ci->lock) in isr_setup_packet_handler()
1017 struct ci_hw_ep *hwep = &ci->ci_hw_ep[0]; in isr_setup_packet_handler()
1026 _ep_nuke(ci->ep0out); in isr_setup_packet_handler()
1027 _ep_nuke(ci->ep0in); in isr_setup_packet_handler()
1031 hw_test_and_set_setup_guard(ci); in isr_setup_packet_handler()
1033 } while (!hw_test_and_clear_setup_guard(ci)); in isr_setup_packet_handler()
1037 ci->ep0_dir = (type & USB_DIR_IN) ? TX : RX; in isr_setup_packet_handler()
1050 num += ci->hw_ep_max / 2; in isr_setup_packet_handler()
1051 if (!ci->ci_hw_ep[num].wedge) { in isr_setup_packet_handler()
1052 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1054 &ci->ci_hw_ep[num].ep); in isr_setup_packet_handler()
1055 spin_lock(&ci->lock); in isr_setup_packet_handler()
1059 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1065 ci->remote_wakeup = 0; in isr_setup_packet_handler()
1066 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1080 err = isr_get_status_response(ci, &req); in isr_setup_packet_handler()
1088 ci->address = (u8)le16_to_cpu(req.wValue); in isr_setup_packet_handler()
1089 ci->setaddr = true; in isr_setup_packet_handler()
1090 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1102 num += ci->hw_ep_max / 2; in isr_setup_packet_handler()
1104 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1105 err = _ep_set_halt(&ci->ci_hw_ep[num].ep, 1, false); in isr_setup_packet_handler()
1106 spin_lock(&ci->lock); in isr_setup_packet_handler()
1108 isr_setup_status_phase(ci); in isr_setup_packet_handler()
1114 ci->remote_wakeup = 1; in isr_setup_packet_handler()
1115 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1125 ci->test_mode = tmode; in isr_setup_packet_handler()
1127 ci); in isr_setup_packet_handler()
1134 if (ci_otg_is_fsm_mode(ci)) { in isr_setup_packet_handler()
1135 ci->gadget.b_hnp_enable = 1; in isr_setup_packet_handler()
1137 ci); in isr_setup_packet_handler()
1141 if (ci_otg_is_fsm_mode(ci)) in isr_setup_packet_handler()
1142 err = otg_a_alt_hnp_support(ci); in isr_setup_packet_handler()
1145 if (ci_otg_is_fsm_mode(ci)) { in isr_setup_packet_handler()
1146 ci->gadget.a_hnp_support = 1; in isr_setup_packet_handler()
1148 ci); in isr_setup_packet_handler()
1161 ci->ep0_dir = TX; in isr_setup_packet_handler()
1163 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1164 err = ci->driver->setup(&ci->gadget, &req); in isr_setup_packet_handler()
1165 spin_lock(&ci->lock); in isr_setup_packet_handler()
1170 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1172 dev_err(ci->dev, "error: _ep_set_halt\n"); in isr_setup_packet_handler()
1173 spin_lock(&ci->lock); in isr_setup_packet_handler()
1183 static void isr_tr_complete_handler(struct ci_hdrc *ci) in isr_tr_complete_handler() argument
1184 __releases(ci->lock) in isr_tr_complete_handler()
1185 __acquires(ci->lock) in isr_tr_complete_handler()
1190 for (i = 0; i < ci->hw_ep_max; i++) { in isr_tr_complete_handler()
1191 struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; in isr_tr_complete_handler()
1196 if (hw_test_and_clear_complete(ci, i)) { in isr_tr_complete_handler()
1200 err = isr_setup_status_phase(ci); in isr_tr_complete_handler()
1202 spin_unlock(&ci->lock); in isr_tr_complete_handler()
1204 dev_err(ci->dev, in isr_tr_complete_handler()
1206 spin_lock(&ci->lock); in isr_tr_complete_handler()
1213 hw_test_and_clear(ci, OP_ENDPTSETUPSTAT, BIT(0))) in isr_tr_complete_handler()
1214 isr_setup_packet_handler(ci); in isr_tr_complete_handler()
1242 dev_warn(hwep->ci->dev, "enabling a non-empty endpoint!\n"); in ep_enable()
1273 dev_err(hwep->ci->dev, "Set control xfer at non-ep0\n"); in ep_enable()
1282 retval |= hw_ep_enable(hwep->ci, hwep->num, hwep->dir, in ep_enable()
1306 if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { in ep_disable()
1316 retval |= hw_ep_disable(hwep->ci, hwep->num, hwep->dir); in ep_disable()
1365 dev_err(hwep->ci->dev, "freeing queued request\n"); in ep_free_request()
1399 if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { in ep_queue()
1426 if (hwep->ci->gadget.speed != USB_SPEED_UNKNOWN) in ep_dequeue()
1427 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in ep_dequeue()
1438 usb_gadget_unmap_request(&hwep->ci->gadget, req, hwep->dir); in ep_dequeue()
1493 dev_err(hwep->ci->dev, "%02X: -EINVAL\n", _usb_addr(hwep)); in ep_fifo_flush()
1498 if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { in ep_fifo_flush()
1503 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in ep_fifo_flush()
1529 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_vbus_session() local
1533 spin_lock_irqsave(&ci->lock, flags); in ci_udc_vbus_session()
1534 ci->vbus_active = is_active; in ci_udc_vbus_session()
1535 if (ci->driver) in ci_udc_vbus_session()
1537 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_vbus_session()
1539 if (ci->usb_phy) in ci_udc_vbus_session()
1540 usb_phy_set_charger_state(ci->usb_phy, is_active ? in ci_udc_vbus_session()
1546 hw_device_reset(ci); in ci_udc_vbus_session()
1547 hw_device_state(ci, ci->ep0out->qh.dma); in ci_udc_vbus_session()
1552 if (ci->driver) in ci_udc_vbus_session()
1553 ci->driver->disconnect(&ci->gadget); in ci_udc_vbus_session()
1554 hw_device_state(ci, 0); in ci_udc_vbus_session()
1555 if (ci->platdata->notify_event) in ci_udc_vbus_session()
1556 ci->platdata->notify_event(ci, in ci_udc_vbus_session()
1558 _gadget_stop_activity(&ci->gadget); in ci_udc_vbus_session()
1569 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_wakeup() local
1573 spin_lock_irqsave(&ci->lock, flags); in ci_udc_wakeup()
1574 if (ci->gadget.speed == USB_SPEED_UNKNOWN) { in ci_udc_wakeup()
1575 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_wakeup()
1578 if (!ci->remote_wakeup) { in ci_udc_wakeup()
1582 if (!hw_read(ci, OP_PORTSC, PORTSC_SUSP)) { in ci_udc_wakeup()
1586 hw_write(ci, OP_PORTSC, PORTSC_FPR, PORTSC_FPR); in ci_udc_wakeup()
1588 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_wakeup()
1594 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_vbus_draw() local
1596 if (ci->usb_phy) in ci_udc_vbus_draw()
1597 return usb_phy_set_power(ci->usb_phy, ma); in ci_udc_vbus_draw()
1603 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_selfpowered() local
1604 struct ci_hw_ep *hwep = ci->ep0in; in ci_udc_selfpowered()
1619 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_pullup() local
1625 if (ci_otg_is_fsm_mode(ci) || ci->role == CI_ROLE_HOST) in ci_udc_pullup()
1628 pm_runtime_get_sync(&ci->gadget.dev); in ci_udc_pullup()
1630 hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); in ci_udc_pullup()
1632 hw_write(ci, OP_USBCMD, USBCMD_RS, 0); in ci_udc_pullup()
1633 pm_runtime_put_sync(&ci->gadget.dev); in ci_udc_pullup()
1647 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_match_ep() local
1651 list_for_each_entry_reverse(ep, &ci->gadget.ep_list, ep_list) { in ci_udc_match_ep()
1676 static int init_eps(struct ci_hdrc *ci) in init_eps() argument
1680 for (i = 0; i < ci->hw_ep_max/2; i++) in init_eps()
1682 int k = i + j * ci->hw_ep_max/2; in init_eps()
1683 struct ci_hw_ep *hwep = &ci->ci_hw_ep[k]; in init_eps()
1688 hwep->ci = ci; in init_eps()
1689 hwep->lock = &ci->lock; in init_eps()
1690 hwep->td_pool = ci->td_pool; in init_eps()
1716 hwep->qh.ptr = dma_pool_zalloc(ci->qh_pool, GFP_KERNEL, in init_eps()
1727 ci->ep0out = hwep; in init_eps()
1729 ci->ep0in = hwep; in init_eps()
1735 list_add_tail(&hwep->ep.ep_list, &ci->gadget.ep_list); in init_eps()
1741 static void destroy_eps(struct ci_hdrc *ci) in destroy_eps() argument
1745 for (i = 0; i < ci->hw_ep_max; i++) { in destroy_eps()
1746 struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; in destroy_eps()
1750 dma_pool_free(ci->qh_pool, hwep->qh.ptr, hwep->qh.dma); in destroy_eps()
1764 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_start() local
1770 ci->ep0out->ep.desc = &ctrl_endpt_out_desc; in ci_udc_start()
1771 retval = usb_ep_enable(&ci->ep0out->ep); in ci_udc_start()
1775 ci->ep0in->ep.desc = &ctrl_endpt_in_desc; in ci_udc_start()
1776 retval = usb_ep_enable(&ci->ep0in->ep); in ci_udc_start()
1780 ci->driver = driver; in ci_udc_start()
1783 if (ci_otg_is_fsm_mode(ci) && ci->fsm.id) { in ci_udc_start()
1784 ci_hdrc_otg_fsm_start(ci); in ci_udc_start()
1788 pm_runtime_get_sync(&ci->gadget.dev); in ci_udc_start()
1789 if (ci->vbus_active) { in ci_udc_start()
1790 hw_device_reset(ci); in ci_udc_start()
1792 usb_udc_vbus_handler(&ci->gadget, false); in ci_udc_start()
1793 pm_runtime_put_sync(&ci->gadget.dev); in ci_udc_start()
1797 retval = hw_device_state(ci, ci->ep0out->qh.dma); in ci_udc_start()
1799 pm_runtime_put_sync(&ci->gadget.dev); in ci_udc_start()
1804 static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci) in ci_udc_stop_for_otg_fsm() argument
1806 if (!ci_otg_is_fsm_mode(ci)) in ci_udc_stop_for_otg_fsm()
1809 mutex_lock(&ci->fsm.lock); in ci_udc_stop_for_otg_fsm()
1810 if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) { in ci_udc_stop_for_otg_fsm()
1811 ci->fsm.a_bidl_adis_tmout = 1; in ci_udc_stop_for_otg_fsm()
1812 ci_hdrc_otg_fsm_start(ci); in ci_udc_stop_for_otg_fsm()
1813 } else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) { in ci_udc_stop_for_otg_fsm()
1814 ci->fsm.protocol = PROTO_UNDEF; in ci_udc_stop_for_otg_fsm()
1815 ci->fsm.otg->state = OTG_STATE_UNDEFINED; in ci_udc_stop_for_otg_fsm()
1817 mutex_unlock(&ci->fsm.lock); in ci_udc_stop_for_otg_fsm()
1825 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_stop() local
1828 spin_lock_irqsave(&ci->lock, flags); in ci_udc_stop()
1830 if (ci->vbus_active) { in ci_udc_stop()
1831 hw_device_state(ci, 0); in ci_udc_stop()
1832 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_stop()
1833 if (ci->platdata->notify_event) in ci_udc_stop()
1834 ci->platdata->notify_event(ci, in ci_udc_stop()
1836 _gadget_stop_activity(&ci->gadget); in ci_udc_stop()
1837 spin_lock_irqsave(&ci->lock, flags); in ci_udc_stop()
1838 pm_runtime_put(&ci->gadget.dev); in ci_udc_stop()
1841 ci->driver = NULL; in ci_udc_stop()
1842 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_stop()
1844 ci_udc_stop_for_otg_fsm(ci); in ci_udc_stop()
1857 static irqreturn_t udc_irq(struct ci_hdrc *ci) in udc_irq() argument
1862 if (ci == NULL) in udc_irq()
1865 spin_lock(&ci->lock); in udc_irq()
1867 if (ci->platdata->flags & CI_HDRC_REGS_SHARED) { in udc_irq()
1868 if (hw_read(ci, OP_USBMODE, USBMODE_CM) != in udc_irq()
1870 spin_unlock(&ci->lock); in udc_irq()
1874 intr = hw_test_and_clear_intr_active(ci); in udc_irq()
1879 isr_reset_handler(ci); in udc_irq()
1882 ci->gadget.speed = hw_port_is_high_speed(ci) ? in udc_irq()
1884 if (ci->suspended) { in udc_irq()
1885 if (ci->driver->resume) { in udc_irq()
1886 spin_unlock(&ci->lock); in udc_irq()
1887 ci->driver->resume(&ci->gadget); in udc_irq()
1888 spin_lock(&ci->lock); in udc_irq()
1890 ci->suspended = 0; in udc_irq()
1891 usb_gadget_set_state(&ci->gadget, in udc_irq()
1892 ci->resume_state); in udc_irq()
1897 isr_tr_complete_handler(ci); in udc_irq()
1899 if ((USBi_SLI & intr) && !(ci->suspended)) { in udc_irq()
1900 ci->suspended = 1; in udc_irq()
1901 ci->resume_state = ci->gadget.state; in udc_irq()
1902 if (ci->gadget.speed != USB_SPEED_UNKNOWN && in udc_irq()
1903 ci->driver->suspend) { in udc_irq()
1904 spin_unlock(&ci->lock); in udc_irq()
1905 ci->driver->suspend(&ci->gadget); in udc_irq()
1906 spin_lock(&ci->lock); in udc_irq()
1908 usb_gadget_set_state(&ci->gadget, in udc_irq()
1915 spin_unlock(&ci->lock); in udc_irq()
1924 static int udc_start(struct ci_hdrc *ci) in udc_start() argument
1926 struct device *dev = ci->dev; in udc_start()
1927 struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps; in udc_start()
1930 ci->gadget.ops = &usb_gadget_ops; in udc_start()
1931 ci->gadget.speed = USB_SPEED_UNKNOWN; in udc_start()
1932 ci->gadget.max_speed = USB_SPEED_HIGH; in udc_start()
1933 ci->gadget.name = ci->platdata->name; in udc_start()
1934 ci->gadget.otg_caps = otg_caps; in udc_start()
1936 if (ci->platdata->flags & CI_HDRC_REQUIRES_ALIGNED_DMA) in udc_start()
1937 ci->gadget.quirk_avoids_skb_reserve = 1; in udc_start()
1939 if (ci->is_otg && (otg_caps->hnp_support || otg_caps->srp_support || in udc_start()
1941 ci->gadget.is_otg = 1; in udc_start()
1943 INIT_LIST_HEAD(&ci->gadget.ep_list); in udc_start()
1946 ci->qh_pool = dma_pool_create("ci_hw_qh", dev->parent, in udc_start()
1949 if (ci->qh_pool == NULL) in udc_start()
1952 ci->td_pool = dma_pool_create("ci_hw_td", dev->parent, in udc_start()
1955 if (ci->td_pool == NULL) { in udc_start()
1960 retval = init_eps(ci); in udc_start()
1964 ci->gadget.ep0 = &ci->ep0in->ep; in udc_start()
1966 retval = usb_add_gadget_udc(dev, &ci->gadget); in udc_start()
1970 pm_runtime_no_callbacks(&ci->gadget.dev); in udc_start()
1971 pm_runtime_enable(&ci->gadget.dev); in udc_start()
1976 destroy_eps(ci); in udc_start()
1978 dma_pool_destroy(ci->td_pool); in udc_start()
1980 dma_pool_destroy(ci->qh_pool); in udc_start()
1989 void ci_hdrc_gadget_destroy(struct ci_hdrc *ci) in ci_hdrc_gadget_destroy() argument
1991 if (!ci->roles[CI_ROLE_GADGET]) in ci_hdrc_gadget_destroy()
1994 usb_del_gadget_udc(&ci->gadget); in ci_hdrc_gadget_destroy()
1996 destroy_eps(ci); in ci_hdrc_gadget_destroy()
1998 dma_pool_destroy(ci->td_pool); in ci_hdrc_gadget_destroy()
1999 dma_pool_destroy(ci->qh_pool); in ci_hdrc_gadget_destroy()
2002 static int udc_id_switch_for_device(struct ci_hdrc *ci) in udc_id_switch_for_device() argument
2004 if (ci->platdata->pins_device) in udc_id_switch_for_device()
2005 pinctrl_select_state(ci->platdata->pctl, in udc_id_switch_for_device()
2006 ci->platdata->pins_device); in udc_id_switch_for_device()
2008 if (ci->is_otg) in udc_id_switch_for_device()
2010 hw_write_otgsc(ci, OTGSC_BSVIS | OTGSC_BSVIE, in udc_id_switch_for_device()
2016 static void udc_id_switch_for_host(struct ci_hdrc *ci) in udc_id_switch_for_host() argument
2022 if (ci->is_otg) in udc_id_switch_for_host()
2023 hw_write_otgsc(ci, OTGSC_BSVIE | OTGSC_BSVIS, OTGSC_BSVIS); in udc_id_switch_for_host()
2025 ci->vbus_active = 0; in udc_id_switch_for_host()
2027 if (ci->platdata->pins_device && ci->platdata->pins_default) in udc_id_switch_for_host()
2028 pinctrl_select_state(ci->platdata->pctl, in udc_id_switch_for_host()
2029 ci->platdata->pins_default); in udc_id_switch_for_host()
2038 int ci_hdrc_gadget_init(struct ci_hdrc *ci) in ci_hdrc_gadget_init() argument
2043 if (!hw_read(ci, CAP_DCCPARAMS, DCCPARAMS_DC)) in ci_hdrc_gadget_init()
2046 rdrv = devm_kzalloc(ci->dev, sizeof(*rdrv), GFP_KERNEL); in ci_hdrc_gadget_init()
2055 ret = udc_start(ci); in ci_hdrc_gadget_init()
2057 ci->roles[CI_ROLE_GADGET] = rdrv; in ci_hdrc_gadget_init()