Lines Matching refs:ci
64 static inline int ep_to_bit(struct ci_hdrc *ci, int n) in ep_to_bit() argument
66 int fill = 16 - ci->hw_ep_max / 2; in ep_to_bit()
68 if (n >= ci->hw_ep_max / 2) in ep_to_bit()
81 static int hw_device_state(struct ci_hdrc *ci, u32 dma) in hw_device_state() argument
84 hw_write(ci, OP_ENDPTLISTADDR, ~0, dma); in hw_device_state()
86 hw_write(ci, OP_USBINTR, ~0, in hw_device_state()
89 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()
124 static int hw_ep_disable(struct ci_hdrc *ci, int num, int dir) in hw_ep_disable() argument
126 hw_write(ci, OP_ENDPTCTRL + num, in hw_ep_disable()
140 static int hw_ep_enable(struct ci_hdrc *ci, int num, int dir, int type) in hw_ep_enable() argument
163 hw_write(ci, OP_ENDPTCTRL + num, mask, data); in hw_ep_enable()
175 static int hw_ep_get_halt(struct ci_hdrc *ci, int num, int dir) in hw_ep_get_halt() argument
179 return hw_read(ci, OP_ENDPTCTRL + num, mask) ? 1 : 0; in hw_ep_get_halt()
191 static int hw_ep_prime(struct ci_hdrc *ci, int num, int dir, int is_ctrl) in hw_ep_prime() argument
198 if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) in hw_ep_prime()
201 hw_write(ci, OP_ENDPTPRIME, ~0, BIT(n)); in hw_ep_prime()
203 while (hw_read(ci, OP_ENDPTPRIME, BIT(n))) in hw_ep_prime()
205 if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) in hw_ep_prime()
222 static int hw_ep_set_halt(struct ci_hdrc *ci, int num, int dir, int value) in hw_ep_set_halt() argument
233 hw_write(ci, reg, mask_xs|mask_xr, in hw_ep_set_halt()
235 } while (value != hw_ep_get_halt(ci, num, dir)); in hw_ep_set_halt()
246 static int hw_port_is_high_speed(struct ci_hdrc *ci) in hw_port_is_high_speed() argument
248 return ci->hw_bank.lpm ? hw_read(ci, OP_DEVLC, DEVLC_PSPD) : in hw_port_is_high_speed()
249 hw_read(ci, OP_PORTSC, PORTSC_HSP); in hw_port_is_high_speed()
260 static int hw_test_and_clear_complete(struct ci_hdrc *ci, int n) in hw_test_and_clear_complete() argument
262 n = ep_to_bit(ci, n); in hw_test_and_clear_complete()
263 return hw_test_and_clear(ci, OP_ENDPTCOMPLETE, BIT(n)); in hw_test_and_clear_complete()
273 static u32 hw_test_and_clear_intr_active(struct ci_hdrc *ci) in hw_test_and_clear_intr_active() argument
275 u32 reg = hw_read_intr_status(ci) & hw_read_intr_enable(ci); in hw_test_and_clear_intr_active()
277 hw_write(ci, OP_USBSTS, ~0, reg); in hw_test_and_clear_intr_active()
288 static int hw_test_and_clear_setup_guard(struct ci_hdrc *ci) in hw_test_and_clear_setup_guard() argument
290 return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, 0); in hw_test_and_clear_setup_guard()
300 static int hw_test_and_set_setup_guard(struct ci_hdrc *ci) in hw_test_and_set_setup_guard() argument
302 return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, USBCMD_SUTW); in hw_test_and_set_setup_guard()
313 static void hw_usb_set_address(struct ci_hdrc *ci, u8 value) in hw_usb_set_address() argument
315 hw_write(ci, OP_DEVICEADDR, DEVICEADDR_USBADR, in hw_usb_set_address()
326 static int hw_usb_reset(struct ci_hdrc *ci) in hw_usb_reset() argument
328 hw_usb_set_address(ci, 0); in hw_usb_reset()
331 hw_write(ci, OP_ENDPTFLUSH, ~0, ~0); in hw_usb_reset()
334 hw_write(ci, OP_ENDPTSETUPSTAT, 0, 0); in hw_usb_reset()
337 hw_write(ci, OP_ENDPTCOMPLETE, 0, 0); in hw_usb_reset()
340 while (hw_read(ci, OP_ENDPTPRIME, ~0)) in hw_usb_reset()
513 dev_err(hwep->ci->dev, "not supported operation for sg\n"); in prepare_td_for_sg()
519 dev_err(hwep->ci->dev, "not page aligned sg buffer\n"); in prepare_td_for_sg()
550 struct ci_hdrc *ci = hwep->ci; in _hardware_enqueue() local
560 ret = usb_gadget_map_request_by_dev(ci->dev->parent, in _hardware_enqueue()
602 if (hw_read(ci, OP_ENDPTPRIME, BIT(n))) in _hardware_enqueue()
605 hw_write(ci, OP_USBCMD, USBCMD_ATDTW, USBCMD_ATDTW); in _hardware_enqueue()
606 tmp_stat = hw_read(ci, OP_ENDPTSTAT, BIT(n)); in _hardware_enqueue()
607 } while (!hw_read(ci, OP_USBCMD, USBCMD_ATDTW)); in _hardware_enqueue()
608 hw_write(ci, OP_USBCMD, USBCMD_ATDTW, 0); in _hardware_enqueue()
627 ret = hw_ep_prime(ci, hwep->num, hwep->dir, in _hardware_enqueue()
646 static int reprime_dtd(struct ci_hdrc *ci, struct ci_hw_ep *hwep, in reprime_dtd() argument
653 return hw_ep_prime(ci, hwep->num, hwep->dir, in reprime_dtd()
670 struct ci_hdrc *ci = hwep->ci; in _hardware_dequeue() local
683 if (ci->rev == CI_REVISION_24) in _hardware_dequeue()
684 if (!hw_read(ci, OP_ENDPTSTAT, BIT(n))) in _hardware_dequeue()
685 reprime_dtd(ci, hwep, node); in _hardware_dequeue()
724 usb_gadget_unmap_request_by_dev(hwep->ci->dev->parent, in _hardware_dequeue()
750 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in _ep_nuke()
804 retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value); in _ep_set_halt()
828 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in _gadget_stop_activity() local
835 usb_ep_fifo_flush(&ci->ep0out->ep); in _gadget_stop_activity()
836 usb_ep_fifo_flush(&ci->ep0in->ep); in _gadget_stop_activity()
843 if (ci->status != NULL) { in _gadget_stop_activity()
844 usb_ep_free_request(&ci->ep0in->ep, ci->status); in _gadget_stop_activity()
845 ci->status = NULL; in _gadget_stop_activity()
848 spin_lock_irqsave(&ci->lock, flags); in _gadget_stop_activity()
849 ci->gadget.speed = USB_SPEED_UNKNOWN; in _gadget_stop_activity()
850 ci->remote_wakeup = 0; in _gadget_stop_activity()
851 ci->suspended = 0; in _gadget_stop_activity()
852 spin_unlock_irqrestore(&ci->lock, flags); in _gadget_stop_activity()
866 static void isr_reset_handler(struct ci_hdrc *ci) in isr_reset_handler() argument
867 __releases(ci->lock) in isr_reset_handler()
868 __acquires(ci->lock) in isr_reset_handler()
872 spin_unlock(&ci->lock); in isr_reset_handler()
873 if (ci->gadget.speed != USB_SPEED_UNKNOWN) in isr_reset_handler()
874 usb_gadget_udc_reset(&ci->gadget, ci->driver); in isr_reset_handler()
876 retval = _gadget_stop_activity(&ci->gadget); in isr_reset_handler()
880 retval = hw_usb_reset(ci); in isr_reset_handler()
884 ci->status = usb_ep_alloc_request(&ci->ep0in->ep, GFP_ATOMIC); in isr_reset_handler()
885 if (ci->status == NULL) in isr_reset_handler()
889 spin_lock(&ci->lock); in isr_reset_handler()
892 dev_err(ci->dev, "error: %i\n", retval); in isr_reset_handler()
925 struct ci_hdrc *ci = hwep->ci; in _ep_queue() local
933 hwep = (ci->ep0_dir == RX) ? in _ep_queue()
934 ci->ep0out : ci->ep0in; in _ep_queue()
937 dev_warn(hwep->ci->dev, "endpoint ctrl %X nuked\n", in _ep_queue()
944 dev_err(hwep->ci->dev, "request length too big for isochronous\n"); in _ep_queue()
950 dev_err(hwep->ci->dev, "request already in queue\n"); in _ep_queue()
975 static int isr_get_status_response(struct ci_hdrc *ci, in isr_get_status_response() argument
980 struct ci_hw_ep *hwep = ci->ep0in; in isr_get_status_response()
1003 *(u16 *)req->buf = (ci->remote_wakeup << 1) | in isr_get_status_response()
1004 ci->gadget.is_selfpowered; in isr_get_status_response()
1010 *(u16 *)req->buf = hw_ep_get_halt(ci, num, dir); in isr_get_status_response()
1040 struct ci_hdrc *ci = req->context; in isr_setup_status_complete() local
1043 if (ci->setaddr) { in isr_setup_status_complete()
1044 hw_usb_set_address(ci, ci->address); in isr_setup_status_complete()
1045 ci->setaddr = false; in isr_setup_status_complete()
1046 if (ci->address) in isr_setup_status_complete()
1047 usb_gadget_set_state(&ci->gadget, USB_STATE_ADDRESS); in isr_setup_status_complete()
1050 spin_lock_irqsave(&ci->lock, flags); in isr_setup_status_complete()
1051 if (ci->test_mode) in isr_setup_status_complete()
1052 hw_port_test_set(ci, ci->test_mode); in isr_setup_status_complete()
1053 spin_unlock_irqrestore(&ci->lock, flags); in isr_setup_status_complete()
1062 static int isr_setup_status_phase(struct ci_hdrc *ci) in isr_setup_status_phase() argument
1072 if (WARN_ON_ONCE(!ci->status)) in isr_setup_status_phase()
1075 hwep = (ci->ep0_dir == TX) ? ci->ep0out : ci->ep0in; in isr_setup_status_phase()
1076 ci->status->context = ci; in isr_setup_status_phase()
1077 ci->status->complete = isr_setup_status_complete; in isr_setup_status_phase()
1079 return _ep_queue(&hwep->ep, ci->status, GFP_ATOMIC); in isr_setup_status_phase()
1107 hweptemp = hwep->ci->ep0in; in isr_tr_complete_low()
1119 static int otg_a_alt_hnp_support(struct ci_hdrc *ci) in otg_a_alt_hnp_support() argument
1121 dev_warn(&ci->gadget.dev, in otg_a_alt_hnp_support()
1123 return isr_setup_status_phase(ci); in otg_a_alt_hnp_support()
1132 static void isr_setup_packet_handler(struct ci_hdrc *ci) in isr_setup_packet_handler() argument
1133 __releases(ci->lock) in isr_setup_packet_handler()
1134 __acquires(ci->lock) in isr_setup_packet_handler()
1136 struct ci_hw_ep *hwep = &ci->ci_hw_ep[0]; in isr_setup_packet_handler()
1145 _ep_nuke(ci->ep0out); in isr_setup_packet_handler()
1146 _ep_nuke(ci->ep0in); in isr_setup_packet_handler()
1150 hw_test_and_set_setup_guard(ci); in isr_setup_packet_handler()
1152 } while (!hw_test_and_clear_setup_guard(ci)); in isr_setup_packet_handler()
1156 ci->ep0_dir = (type & USB_DIR_IN) ? TX : RX; in isr_setup_packet_handler()
1169 num += ci->hw_ep_max / 2; in isr_setup_packet_handler()
1170 if (!ci->ci_hw_ep[num].wedge) { in isr_setup_packet_handler()
1171 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1173 &ci->ci_hw_ep[num].ep); in isr_setup_packet_handler()
1174 spin_lock(&ci->lock); in isr_setup_packet_handler()
1178 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1184 ci->remote_wakeup = 0; in isr_setup_packet_handler()
1185 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1199 err = isr_get_status_response(ci, &req); in isr_setup_packet_handler()
1207 ci->address = (u8)le16_to_cpu(req.wValue); in isr_setup_packet_handler()
1208 ci->setaddr = true; in isr_setup_packet_handler()
1209 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1221 num += ci->hw_ep_max / 2; in isr_setup_packet_handler()
1223 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1224 err = _ep_set_halt(&ci->ci_hw_ep[num].ep, 1, false); in isr_setup_packet_handler()
1225 spin_lock(&ci->lock); in isr_setup_packet_handler()
1227 isr_setup_status_phase(ci); in isr_setup_packet_handler()
1233 ci->remote_wakeup = 1; in isr_setup_packet_handler()
1234 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1244 ci->test_mode = tmode; in isr_setup_packet_handler()
1246 ci); in isr_setup_packet_handler()
1253 if (ci_otg_is_fsm_mode(ci)) { in isr_setup_packet_handler()
1254 ci->gadget.b_hnp_enable = 1; in isr_setup_packet_handler()
1256 ci); in isr_setup_packet_handler()
1260 if (ci_otg_is_fsm_mode(ci)) in isr_setup_packet_handler()
1261 err = otg_a_alt_hnp_support(ci); in isr_setup_packet_handler()
1264 if (ci_otg_is_fsm_mode(ci)) { in isr_setup_packet_handler()
1265 ci->gadget.a_hnp_support = 1; in isr_setup_packet_handler()
1267 ci); in isr_setup_packet_handler()
1280 ci->ep0_dir = TX; in isr_setup_packet_handler()
1282 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1283 err = ci->driver->setup(&ci->gadget, &req); in isr_setup_packet_handler()
1284 spin_lock(&ci->lock); in isr_setup_packet_handler()
1289 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1291 dev_err(ci->dev, "error: _ep_set_halt\n"); in isr_setup_packet_handler()
1292 spin_lock(&ci->lock); in isr_setup_packet_handler()
1302 static void isr_tr_complete_handler(struct ci_hdrc *ci) in isr_tr_complete_handler() argument
1303 __releases(ci->lock) in isr_tr_complete_handler()
1304 __acquires(ci->lock) in isr_tr_complete_handler()
1309 for (i = 0; i < ci->hw_ep_max; i++) { in isr_tr_complete_handler()
1310 struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; in isr_tr_complete_handler()
1315 if (hw_test_and_clear_complete(ci, i)) { in isr_tr_complete_handler()
1319 err = isr_setup_status_phase(ci); in isr_tr_complete_handler()
1321 spin_unlock(&ci->lock); in isr_tr_complete_handler()
1323 dev_err(ci->dev, in isr_tr_complete_handler()
1325 spin_lock(&ci->lock); in isr_tr_complete_handler()
1332 hw_test_and_clear(ci, OP_ENDPTSETUPSTAT, BIT(0))) in isr_tr_complete_handler()
1333 isr_setup_packet_handler(ci); in isr_tr_complete_handler()
1361 dev_warn(hwep->ci->dev, "enabling a non-empty endpoint!\n"); in ep_enable()
1392 dev_err(hwep->ci->dev, "Set control xfer at non-ep0\n"); in ep_enable()
1401 retval |= hw_ep_enable(hwep->ci, hwep->num, hwep->dir, in ep_enable()
1425 if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { in ep_disable()
1435 retval |= hw_ep_disable(hwep->ci, hwep->num, hwep->dir); in ep_disable()
1484 dev_err(hwep->ci->dev, "freeing queued request\n"); in ep_free_request()
1518 if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { in ep_queue()
1545 if (hwep->ci->gadget.speed != USB_SPEED_UNKNOWN) in ep_dequeue()
1546 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in ep_dequeue()
1557 usb_gadget_unmap_request(&hwep->ci->gadget, req, hwep->dir); in ep_dequeue()
1612 dev_err(hwep->ci->dev, "%02X: -EINVAL\n", _usb_addr(hwep)); in ep_fifo_flush()
1617 if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { in ep_fifo_flush()
1622 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in ep_fifo_flush()
1651 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_hdrc_gadget_connect() local
1654 pm_runtime_get_sync(ci->dev); in ci_hdrc_gadget_connect()
1655 hw_device_reset(ci); in ci_hdrc_gadget_connect()
1656 spin_lock_irq(&ci->lock); in ci_hdrc_gadget_connect()
1657 if (ci->driver) { in ci_hdrc_gadget_connect()
1658 hw_device_state(ci, ci->ep0out->qh.dma); in ci_hdrc_gadget_connect()
1660 spin_unlock_irq(&ci->lock); in ci_hdrc_gadget_connect()
1663 spin_unlock_irq(&ci->lock); in ci_hdrc_gadget_connect()
1667 if (ci->driver) in ci_hdrc_gadget_connect()
1668 ci->driver->disconnect(&ci->gadget); in ci_hdrc_gadget_connect()
1669 hw_device_state(ci, 0); in ci_hdrc_gadget_connect()
1670 if (ci->platdata->notify_event) in ci_hdrc_gadget_connect()
1671 ci->platdata->notify_event(ci, in ci_hdrc_gadget_connect()
1673 _gadget_stop_activity(&ci->gadget); in ci_hdrc_gadget_connect()
1674 pm_runtime_put_sync(ci->dev); in ci_hdrc_gadget_connect()
1681 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_vbus_session() local
1685 spin_lock_irqsave(&ci->lock, flags); in ci_udc_vbus_session()
1686 ci->vbus_active = is_active; in ci_udc_vbus_session()
1687 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_vbus_session()
1689 if (ci->usb_phy) in ci_udc_vbus_session()
1690 usb_phy_set_charger_state(ci->usb_phy, is_active ? in ci_udc_vbus_session()
1693 if (ci->platdata->notify_event) in ci_udc_vbus_session()
1694 ret = ci->platdata->notify_event(ci, in ci_udc_vbus_session()
1697 if (ci->driver) in ci_udc_vbus_session()
1705 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_wakeup() local
1709 spin_lock_irqsave(&ci->lock, flags); in ci_udc_wakeup()
1710 if (ci->gadget.speed == USB_SPEED_UNKNOWN) { in ci_udc_wakeup()
1711 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_wakeup()
1714 if (!ci->remote_wakeup) { in ci_udc_wakeup()
1718 if (!hw_read(ci, OP_PORTSC, PORTSC_SUSP)) { in ci_udc_wakeup()
1722 hw_write(ci, OP_PORTSC, PORTSC_FPR, PORTSC_FPR); in ci_udc_wakeup()
1724 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_wakeup()
1730 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_vbus_draw() local
1732 if (ci->usb_phy) in ci_udc_vbus_draw()
1733 return usb_phy_set_power(ci->usb_phy, ma); in ci_udc_vbus_draw()
1739 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_selfpowered() local
1740 struct ci_hw_ep *hwep = ci->ep0in; in ci_udc_selfpowered()
1755 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_pullup() local
1761 if (ci_otg_is_fsm_mode(ci) || ci->role == CI_ROLE_HOST) in ci_udc_pullup()
1764 pm_runtime_get_sync(ci->dev); in ci_udc_pullup()
1766 hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); in ci_udc_pullup()
1768 hw_write(ci, OP_USBCMD, USBCMD_RS, 0); in ci_udc_pullup()
1769 pm_runtime_put_sync(ci->dev); in ci_udc_pullup()
1783 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_match_ep() local
1787 list_for_each_entry_reverse(ep, &ci->gadget.ep_list, ep_list) { in ci_udc_match_ep()
1812 static int init_eps(struct ci_hdrc *ci) in init_eps() argument
1816 for (i = 0; i < ci->hw_ep_max/2; i++) in init_eps()
1818 int k = i + j * ci->hw_ep_max/2; in init_eps()
1819 struct ci_hw_ep *hwep = &ci->ci_hw_ep[k]; in init_eps()
1824 hwep->ci = ci; in init_eps()
1825 hwep->lock = &ci->lock; in init_eps()
1826 hwep->td_pool = ci->td_pool; in init_eps()
1852 hwep->qh.ptr = dma_pool_zalloc(ci->qh_pool, GFP_KERNEL, in init_eps()
1863 ci->ep0out = hwep; in init_eps()
1865 ci->ep0in = hwep; in init_eps()
1871 list_add_tail(&hwep->ep.ep_list, &ci->gadget.ep_list); in init_eps()
1877 static void destroy_eps(struct ci_hdrc *ci) in destroy_eps() argument
1881 for (i = 0; i < ci->hw_ep_max; i++) { in destroy_eps()
1882 struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; in destroy_eps()
1886 dma_pool_free(ci->qh_pool, hwep->qh.ptr, hwep->qh.dma); in destroy_eps()
1900 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_start() local
1906 ci->ep0out->ep.desc = &ctrl_endpt_out_desc; in ci_udc_start()
1907 retval = usb_ep_enable(&ci->ep0out->ep); in ci_udc_start()
1911 ci->ep0in->ep.desc = &ctrl_endpt_in_desc; in ci_udc_start()
1912 retval = usb_ep_enable(&ci->ep0in->ep); in ci_udc_start()
1916 ci->driver = driver; in ci_udc_start()
1919 if (ci_otg_is_fsm_mode(ci) && ci->fsm.id) { in ci_udc_start()
1920 ci_hdrc_otg_fsm_start(ci); in ci_udc_start()
1924 if (ci->vbus_active) in ci_udc_start()
1927 usb_udc_vbus_handler(&ci->gadget, false); in ci_udc_start()
1932 static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci) in ci_udc_stop_for_otg_fsm() argument
1934 if (!ci_otg_is_fsm_mode(ci)) in ci_udc_stop_for_otg_fsm()
1937 mutex_lock(&ci->fsm.lock); in ci_udc_stop_for_otg_fsm()
1938 if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) { in ci_udc_stop_for_otg_fsm()
1939 ci->fsm.a_bidl_adis_tmout = 1; in ci_udc_stop_for_otg_fsm()
1940 ci_hdrc_otg_fsm_start(ci); in ci_udc_stop_for_otg_fsm()
1941 } else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) { in ci_udc_stop_for_otg_fsm()
1942 ci->fsm.protocol = PROTO_UNDEF; in ci_udc_stop_for_otg_fsm()
1943 ci->fsm.otg->state = OTG_STATE_UNDEFINED; in ci_udc_stop_for_otg_fsm()
1945 mutex_unlock(&ci->fsm.lock); in ci_udc_stop_for_otg_fsm()
1953 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_stop() local
1956 spin_lock_irqsave(&ci->lock, flags); in ci_udc_stop()
1957 ci->driver = NULL; in ci_udc_stop()
1959 if (ci->vbus_active) { in ci_udc_stop()
1960 hw_device_state(ci, 0); in ci_udc_stop()
1961 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_stop()
1962 if (ci->platdata->notify_event) in ci_udc_stop()
1963 ci->platdata->notify_event(ci, in ci_udc_stop()
1965 _gadget_stop_activity(&ci->gadget); in ci_udc_stop()
1966 spin_lock_irqsave(&ci->lock, flags); in ci_udc_stop()
1967 pm_runtime_put(ci->dev); in ci_udc_stop()
1970 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_stop()
1972 ci_udc_stop_for_otg_fsm(ci); in ci_udc_stop()
1985 static irqreturn_t udc_irq(struct ci_hdrc *ci) in udc_irq() argument
1990 if (ci == NULL) in udc_irq()
1993 spin_lock(&ci->lock); in udc_irq()
1995 if (ci->platdata->flags & CI_HDRC_REGS_SHARED) { in udc_irq()
1996 if (hw_read(ci, OP_USBMODE, USBMODE_CM) != in udc_irq()
1998 spin_unlock(&ci->lock); in udc_irq()
2002 intr = hw_test_and_clear_intr_active(ci); in udc_irq()
2007 isr_reset_handler(ci); in udc_irq()
2010 ci->gadget.speed = hw_port_is_high_speed(ci) ? in udc_irq()
2012 if (ci->suspended) { in udc_irq()
2013 if (ci->driver->resume) { in udc_irq()
2014 spin_unlock(&ci->lock); in udc_irq()
2015 ci->driver->resume(&ci->gadget); in udc_irq()
2016 spin_lock(&ci->lock); in udc_irq()
2018 ci->suspended = 0; in udc_irq()
2019 usb_gadget_set_state(&ci->gadget, in udc_irq()
2020 ci->resume_state); in udc_irq()
2025 isr_tr_complete_handler(ci); in udc_irq()
2027 if ((USBi_SLI & intr) && !(ci->suspended)) { in udc_irq()
2028 ci->suspended = 1; in udc_irq()
2029 ci->resume_state = ci->gadget.state; in udc_irq()
2030 if (ci->gadget.speed != USB_SPEED_UNKNOWN && in udc_irq()
2031 ci->driver->suspend) { in udc_irq()
2032 spin_unlock(&ci->lock); in udc_irq()
2033 ci->driver->suspend(&ci->gadget); in udc_irq()
2034 spin_lock(&ci->lock); in udc_irq()
2036 usb_gadget_set_state(&ci->gadget, in udc_irq()
2043 spin_unlock(&ci->lock); in udc_irq()
2052 static int udc_start(struct ci_hdrc *ci) in udc_start() argument
2054 struct device *dev = ci->dev; in udc_start()
2055 struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps; in udc_start()
2058 ci->gadget.ops = &usb_gadget_ops; in udc_start()
2059 ci->gadget.speed = USB_SPEED_UNKNOWN; in udc_start()
2060 ci->gadget.max_speed = USB_SPEED_HIGH; in udc_start()
2061 ci->gadget.name = ci->platdata->name; in udc_start()
2062 ci->gadget.otg_caps = otg_caps; in udc_start()
2063 ci->gadget.sg_supported = 1; in udc_start()
2064 ci->gadget.irq = ci->irq; in udc_start()
2066 if (ci->platdata->flags & CI_HDRC_REQUIRES_ALIGNED_DMA) in udc_start()
2067 ci->gadget.quirk_avoids_skb_reserve = 1; in udc_start()
2069 if (ci->is_otg && (otg_caps->hnp_support || otg_caps->srp_support || in udc_start()
2071 ci->gadget.is_otg = 1; in udc_start()
2073 INIT_LIST_HEAD(&ci->gadget.ep_list); in udc_start()
2076 ci->qh_pool = dma_pool_create("ci_hw_qh", dev->parent, in udc_start()
2079 if (ci->qh_pool == NULL) in udc_start()
2082 ci->td_pool = dma_pool_create("ci_hw_td", dev->parent, in udc_start()
2085 if (ci->td_pool == NULL) { in udc_start()
2090 retval = init_eps(ci); in udc_start()
2094 ci->gadget.ep0 = &ci->ep0in->ep; in udc_start()
2096 retval = usb_add_gadget_udc(dev, &ci->gadget); in udc_start()
2103 destroy_eps(ci); in udc_start()
2105 dma_pool_destroy(ci->td_pool); in udc_start()
2107 dma_pool_destroy(ci->qh_pool); in udc_start()
2116 void ci_hdrc_gadget_destroy(struct ci_hdrc *ci) in ci_hdrc_gadget_destroy() argument
2118 if (!ci->roles[CI_ROLE_GADGET]) in ci_hdrc_gadget_destroy()
2121 usb_del_gadget_udc(&ci->gadget); in ci_hdrc_gadget_destroy()
2123 destroy_eps(ci); in ci_hdrc_gadget_destroy()
2125 dma_pool_destroy(ci->td_pool); in ci_hdrc_gadget_destroy()
2126 dma_pool_destroy(ci->qh_pool); in ci_hdrc_gadget_destroy()
2129 static int udc_id_switch_for_device(struct ci_hdrc *ci) in udc_id_switch_for_device() argument
2131 if (ci->platdata->pins_device) in udc_id_switch_for_device()
2132 pinctrl_select_state(ci->platdata->pctl, in udc_id_switch_for_device()
2133 ci->platdata->pins_device); in udc_id_switch_for_device()
2135 if (ci->is_otg) in udc_id_switch_for_device()
2137 hw_write_otgsc(ci, OTGSC_BSVIS | OTGSC_BSVIE, in udc_id_switch_for_device()
2143 static void udc_id_switch_for_host(struct ci_hdrc *ci) in udc_id_switch_for_host() argument
2149 if (ci->is_otg) in udc_id_switch_for_host()
2150 hw_write_otgsc(ci, OTGSC_BSVIE | OTGSC_BSVIS, OTGSC_BSVIS); in udc_id_switch_for_host()
2152 ci->vbus_active = 0; in udc_id_switch_for_host()
2154 if (ci->platdata->pins_device && ci->platdata->pins_default) in udc_id_switch_for_host()
2155 pinctrl_select_state(ci->platdata->pctl, in udc_id_switch_for_host()
2156 ci->platdata->pins_default); in udc_id_switch_for_host()
2165 int ci_hdrc_gadget_init(struct ci_hdrc *ci) in ci_hdrc_gadget_init() argument
2170 if (!hw_read(ci, CAP_DCCPARAMS, DCCPARAMS_DC)) in ci_hdrc_gadget_init()
2173 rdrv = devm_kzalloc(ci->dev, sizeof(*rdrv), GFP_KERNEL); in ci_hdrc_gadget_init()
2182 ret = udc_start(ci); in ci_hdrc_gadget_init()
2184 ci->roles[CI_ROLE_GADGET] = rdrv; in ci_hdrc_gadget_init()