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()
80 static int hw_device_state(struct ci_hdrc *ci, u32 dma) in hw_device_state() argument
83 hw_write(ci, OP_ENDPTLISTADDR, ~0, dma); in hw_device_state()
85 hw_write(ci, OP_USBINTR, ~0, in hw_device_state()
88 hw_write(ci, OP_USBINTR, ~0, 0); in hw_device_state()
101 static int hw_ep_flush(struct ci_hdrc *ci, int num, int dir) in hw_ep_flush() argument
107 hw_write(ci, OP_ENDPTFLUSH, ~0, BIT(n)); in hw_ep_flush()
108 while (hw_read(ci, OP_ENDPTFLUSH, BIT(n))) in hw_ep_flush()
110 } 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_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()
174 static int hw_ep_get_halt(struct ci_hdrc *ci, int num, int dir) in hw_ep_get_halt() argument
178 return hw_read(ci, OP_ENDPTCTRL + num, mask) ? 1 : 0; in hw_ep_get_halt()
190 static int hw_ep_prime(struct ci_hdrc *ci, int num, int dir, int is_ctrl) in hw_ep_prime() argument
197 if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) in hw_ep_prime()
200 hw_write(ci, OP_ENDPTPRIME, ~0, BIT(n)); in hw_ep_prime()
202 while (hw_read(ci, OP_ENDPTPRIME, BIT(n))) in hw_ep_prime()
204 if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) in hw_ep_prime()
221 static int hw_ep_set_halt(struct ci_hdrc *ci, int num, int dir, int value) in hw_ep_set_halt() argument
232 hw_write(ci, reg, mask_xs|mask_xr, in hw_ep_set_halt()
234 } while (value != hw_ep_get_halt(ci, num, dir)); in hw_ep_set_halt()
245 static int hw_port_is_high_speed(struct ci_hdrc *ci) in hw_port_is_high_speed() argument
247 return ci->hw_bank.lpm ? hw_read(ci, OP_DEVLC, DEVLC_PSPD) : in hw_port_is_high_speed()
248 hw_read(ci, OP_PORTSC, PORTSC_HSP); in hw_port_is_high_speed()
259 static int hw_test_and_clear_complete(struct ci_hdrc *ci, int n) in hw_test_and_clear_complete() argument
261 n = ep_to_bit(ci, n); in hw_test_and_clear_complete()
262 return hw_test_and_clear(ci, OP_ENDPTCOMPLETE, BIT(n)); in hw_test_and_clear_complete()
272 static u32 hw_test_and_clear_intr_active(struct ci_hdrc *ci) in hw_test_and_clear_intr_active() argument
274 u32 reg = hw_read_intr_status(ci) & hw_read_intr_enable(ci); in hw_test_and_clear_intr_active()
276 hw_write(ci, OP_USBSTS, ~0, reg); in hw_test_and_clear_intr_active()
287 static int hw_test_and_clear_setup_guard(struct ci_hdrc *ci) in hw_test_and_clear_setup_guard() argument
289 return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, 0); in hw_test_and_clear_setup_guard()
299 static int hw_test_and_set_setup_guard(struct ci_hdrc *ci) in hw_test_and_set_setup_guard() argument
301 return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, USBCMD_SUTW); in hw_test_and_set_setup_guard()
312 static void hw_usb_set_address(struct ci_hdrc *ci, u8 value) in hw_usb_set_address() argument
314 hw_write(ci, OP_DEVICEADDR, DEVICEADDR_USBADR, in hw_usb_set_address()
325 static int hw_usb_reset(struct ci_hdrc *ci) in hw_usb_reset() argument
327 hw_usb_set_address(ci, 0); in hw_usb_reset()
330 hw_write(ci, OP_ENDPTFLUSH, ~0, ~0); in hw_usb_reset()
333 hw_write(ci, OP_ENDPTSETUPSTAT, 0, 0); in hw_usb_reset()
336 hw_write(ci, OP_ENDPTCOMPLETE, 0, 0); in hw_usb_reset()
339 while (hw_read(ci, OP_ENDPTPRIME, ~0)) in hw_usb_reset()
512 dev_err(hwep->ci->dev, "not supported operation for sg\n"); in prepare_td_for_sg()
518 dev_err(hwep->ci->dev, "not page aligned sg buffer\n"); in prepare_td_for_sg()
549 struct ci_hdrc *ci = hwep->ci; in _hardware_enqueue() local
559 ret = usb_gadget_map_request_by_dev(ci->dev->parent, in _hardware_enqueue()
597 if (hw_read(ci, OP_ENDPTPRIME, BIT(n))) in _hardware_enqueue()
600 hw_write(ci, OP_USBCMD, USBCMD_ATDTW, USBCMD_ATDTW); in _hardware_enqueue()
601 tmp_stat = hw_read(ci, OP_ENDPTSTAT, BIT(n)); in _hardware_enqueue()
602 } while (!hw_read(ci, OP_USBCMD, USBCMD_ATDTW)); in _hardware_enqueue()
603 hw_write(ci, OP_USBCMD, USBCMD_ATDTW, 0); in _hardware_enqueue()
622 ret = hw_ep_prime(ci, hwep->num, hwep->dir, in _hardware_enqueue()
641 static int reprime_dtd(struct ci_hdrc *ci, struct ci_hw_ep *hwep, in reprime_dtd() argument
648 return hw_ep_prime(ci, hwep->num, hwep->dir, in reprime_dtd()
665 struct ci_hdrc *ci = hwep->ci; in _hardware_dequeue() local
677 if (ci->rev == CI_REVISION_24) in _hardware_dequeue()
678 if (!hw_read(ci, OP_ENDPTSTAT, BIT(n))) in _hardware_dequeue()
679 reprime_dtd(ci, hwep, node); in _hardware_dequeue()
718 usb_gadget_unmap_request_by_dev(hwep->ci->dev->parent, in _hardware_dequeue()
744 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in _ep_nuke()
798 retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value); in _ep_set_halt()
822 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in _gadget_stop_activity() local
829 usb_ep_fifo_flush(&ci->ep0out->ep); in _gadget_stop_activity()
830 usb_ep_fifo_flush(&ci->ep0in->ep); in _gadget_stop_activity()
837 if (ci->status != NULL) { in _gadget_stop_activity()
838 usb_ep_free_request(&ci->ep0in->ep, ci->status); in _gadget_stop_activity()
839 ci->status = NULL; in _gadget_stop_activity()
842 spin_lock_irqsave(&ci->lock, flags); in _gadget_stop_activity()
843 ci->gadget.speed = USB_SPEED_UNKNOWN; in _gadget_stop_activity()
844 ci->remote_wakeup = 0; in _gadget_stop_activity()
845 ci->suspended = 0; in _gadget_stop_activity()
846 spin_unlock_irqrestore(&ci->lock, flags); in _gadget_stop_activity()
860 static void isr_reset_handler(struct ci_hdrc *ci) in isr_reset_handler() argument
861 __releases(ci->lock) in isr_reset_handler()
862 __acquires(ci->lock) in isr_reset_handler()
866 spin_unlock(&ci->lock); in isr_reset_handler()
867 if (ci->gadget.speed != USB_SPEED_UNKNOWN) in isr_reset_handler()
868 usb_gadget_udc_reset(&ci->gadget, ci->driver); in isr_reset_handler()
870 retval = _gadget_stop_activity(&ci->gadget); in isr_reset_handler()
874 retval = hw_usb_reset(ci); in isr_reset_handler()
878 ci->status = usb_ep_alloc_request(&ci->ep0in->ep, GFP_ATOMIC); in isr_reset_handler()
879 if (ci->status == NULL) in isr_reset_handler()
883 spin_lock(&ci->lock); in isr_reset_handler()
886 dev_err(ci->dev, "error: %i\n", retval); in isr_reset_handler()
919 struct ci_hdrc *ci = hwep->ci; in _ep_queue() local
927 hwep = (ci->ep0_dir == RX) ? in _ep_queue()
928 ci->ep0out : ci->ep0in; in _ep_queue()
931 dev_warn(hwep->ci->dev, "endpoint ctrl %X nuked\n", in _ep_queue()
938 dev_err(hwep->ci->dev, "request length too big for isochronous\n"); in _ep_queue()
944 dev_err(hwep->ci->dev, "request already in queue\n"); in _ep_queue()
969 static int isr_get_status_response(struct ci_hdrc *ci, in isr_get_status_response() argument
974 struct ci_hw_ep *hwep = ci->ep0in; in isr_get_status_response()
997 *(u16 *)req->buf = (ci->remote_wakeup << 1) | in isr_get_status_response()
998 ci->gadget.is_selfpowered; in isr_get_status_response()
1004 *(u16 *)req->buf = hw_ep_get_halt(ci, num, dir); in isr_get_status_response()
1034 struct ci_hdrc *ci = req->context; in isr_setup_status_complete() local
1040 if (ci->setaddr) { in isr_setup_status_complete()
1041 hw_usb_set_address(ci, ci->address); in isr_setup_status_complete()
1042 ci->setaddr = false; in isr_setup_status_complete()
1043 if (ci->address) in isr_setup_status_complete()
1044 usb_gadget_set_state(&ci->gadget, USB_STATE_ADDRESS); in isr_setup_status_complete()
1047 spin_lock_irqsave(&ci->lock, flags); in isr_setup_status_complete()
1048 if (ci->test_mode) in isr_setup_status_complete()
1049 hw_port_test_set(ci, ci->test_mode); in isr_setup_status_complete()
1050 spin_unlock_irqrestore(&ci->lock, flags); in isr_setup_status_complete()
1059 static int isr_setup_status_phase(struct ci_hdrc *ci) in isr_setup_status_phase() argument
1069 if (WARN_ON_ONCE(!ci->status)) in isr_setup_status_phase()
1072 hwep = (ci->ep0_dir == TX) ? ci->ep0out : ci->ep0in; in isr_setup_status_phase()
1073 ci->status->context = ci; in isr_setup_status_phase()
1074 ci->status->complete = isr_setup_status_complete; in isr_setup_status_phase()
1076 return _ep_queue(&hwep->ep, ci->status, GFP_ATOMIC); in isr_setup_status_phase()
1104 hweptemp = hwep->ci->ep0in; in isr_tr_complete_low()
1116 static int otg_a_alt_hnp_support(struct ci_hdrc *ci) in otg_a_alt_hnp_support() argument
1118 dev_warn(&ci->gadget.dev, in otg_a_alt_hnp_support()
1120 return isr_setup_status_phase(ci); in otg_a_alt_hnp_support()
1129 static void isr_setup_packet_handler(struct ci_hdrc *ci) in isr_setup_packet_handler() argument
1130 __releases(ci->lock) in isr_setup_packet_handler()
1131 __acquires(ci->lock) in isr_setup_packet_handler()
1133 struct ci_hw_ep *hwep = &ci->ci_hw_ep[0]; in isr_setup_packet_handler()
1142 _ep_nuke(ci->ep0out); in isr_setup_packet_handler()
1143 _ep_nuke(ci->ep0in); in isr_setup_packet_handler()
1147 hw_test_and_set_setup_guard(ci); in isr_setup_packet_handler()
1149 } while (!hw_test_and_clear_setup_guard(ci)); in isr_setup_packet_handler()
1153 ci->ep0_dir = (type & USB_DIR_IN) ? TX : RX; in isr_setup_packet_handler()
1166 num += ci->hw_ep_max / 2; in isr_setup_packet_handler()
1167 if (!ci->ci_hw_ep[num].wedge) { in isr_setup_packet_handler()
1168 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1170 &ci->ci_hw_ep[num].ep); in isr_setup_packet_handler()
1171 spin_lock(&ci->lock); in isr_setup_packet_handler()
1175 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1181 ci->remote_wakeup = 0; in isr_setup_packet_handler()
1182 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1196 err = isr_get_status_response(ci, &req); in isr_setup_packet_handler()
1204 ci->address = (u8)le16_to_cpu(req.wValue); in isr_setup_packet_handler()
1205 ci->setaddr = true; in isr_setup_packet_handler()
1206 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1218 num += ci->hw_ep_max / 2; in isr_setup_packet_handler()
1220 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1221 err = _ep_set_halt(&ci->ci_hw_ep[num].ep, 1, false); in isr_setup_packet_handler()
1222 spin_lock(&ci->lock); in isr_setup_packet_handler()
1224 isr_setup_status_phase(ci); in isr_setup_packet_handler()
1230 ci->remote_wakeup = 1; in isr_setup_packet_handler()
1231 err = isr_setup_status_phase(ci); in isr_setup_packet_handler()
1241 ci->test_mode = tmode; in isr_setup_packet_handler()
1243 ci); in isr_setup_packet_handler()
1250 if (ci_otg_is_fsm_mode(ci)) { in isr_setup_packet_handler()
1251 ci->gadget.b_hnp_enable = 1; in isr_setup_packet_handler()
1253 ci); in isr_setup_packet_handler()
1257 if (ci_otg_is_fsm_mode(ci)) in isr_setup_packet_handler()
1258 err = otg_a_alt_hnp_support(ci); in isr_setup_packet_handler()
1261 if (ci_otg_is_fsm_mode(ci)) { in isr_setup_packet_handler()
1262 ci->gadget.a_hnp_support = 1; in isr_setup_packet_handler()
1264 ci); in isr_setup_packet_handler()
1277 ci->ep0_dir = TX; in isr_setup_packet_handler()
1279 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1280 err = ci->driver->setup(&ci->gadget, &req); in isr_setup_packet_handler()
1281 spin_lock(&ci->lock); in isr_setup_packet_handler()
1286 spin_unlock(&ci->lock); in isr_setup_packet_handler()
1288 dev_err(ci->dev, "error: _ep_set_halt\n"); in isr_setup_packet_handler()
1289 spin_lock(&ci->lock); in isr_setup_packet_handler()
1299 static void isr_tr_complete_handler(struct ci_hdrc *ci) in isr_tr_complete_handler() argument
1300 __releases(ci->lock) in isr_tr_complete_handler()
1301 __acquires(ci->lock) in isr_tr_complete_handler()
1306 for (i = 0; i < ci->hw_ep_max; i++) { in isr_tr_complete_handler()
1307 struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; in isr_tr_complete_handler()
1312 if (hw_test_and_clear_complete(ci, i)) { in isr_tr_complete_handler()
1316 err = isr_setup_status_phase(ci); in isr_tr_complete_handler()
1318 spin_unlock(&ci->lock); in isr_tr_complete_handler()
1320 dev_err(ci->dev, in isr_tr_complete_handler()
1322 spin_lock(&ci->lock); in isr_tr_complete_handler()
1329 hw_test_and_clear(ci, OP_ENDPTSETUPSTAT, BIT(0))) in isr_tr_complete_handler()
1330 isr_setup_packet_handler(ci); in isr_tr_complete_handler()
1358 dev_warn(hwep->ci->dev, "enabling a non-empty endpoint!\n"); in ep_enable()
1389 dev_err(hwep->ci->dev, "Set control xfer at non-ep0\n"); in ep_enable()
1398 retval |= hw_ep_enable(hwep->ci, hwep->num, hwep->dir, in ep_enable()
1422 if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { in ep_disable()
1432 retval |= hw_ep_disable(hwep->ci, hwep->num, hwep->dir); in ep_disable()
1481 dev_err(hwep->ci->dev, "freeing queued request\n"); in ep_free_request()
1515 if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { in ep_queue()
1542 if (hwep->ci->gadget.speed != USB_SPEED_UNKNOWN) in ep_dequeue()
1543 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in ep_dequeue()
1554 usb_gadget_unmap_request(&hwep->ci->gadget, req, hwep->dir); in ep_dequeue()
1609 dev_err(hwep->ci->dev, "%02X: -EINVAL\n", _usb_addr(hwep)); in ep_fifo_flush()
1614 if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { in ep_fifo_flush()
1619 hw_ep_flush(hwep->ci, hwep->num, hwep->dir); in ep_fifo_flush()
1648 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_hdrc_gadget_connect() local
1651 pm_runtime_get_sync(ci->dev); in ci_hdrc_gadget_connect()
1652 hw_device_reset(ci); in ci_hdrc_gadget_connect()
1653 spin_lock_irq(&ci->lock); in ci_hdrc_gadget_connect()
1654 if (ci->driver) { in ci_hdrc_gadget_connect()
1655 hw_device_state(ci, ci->ep0out->qh.dma); in ci_hdrc_gadget_connect()
1657 spin_unlock_irq(&ci->lock); in ci_hdrc_gadget_connect()
1660 spin_unlock_irq(&ci->lock); in ci_hdrc_gadget_connect()
1664 if (ci->driver) in ci_hdrc_gadget_connect()
1665 ci->driver->disconnect(&ci->gadget); in ci_hdrc_gadget_connect()
1666 hw_device_state(ci, 0); in ci_hdrc_gadget_connect()
1667 if (ci->platdata->notify_event) in ci_hdrc_gadget_connect()
1668 ci->platdata->notify_event(ci, in ci_hdrc_gadget_connect()
1670 _gadget_stop_activity(&ci->gadget); in ci_hdrc_gadget_connect()
1671 pm_runtime_put_sync(ci->dev); in ci_hdrc_gadget_connect()
1678 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_vbus_session() local
1682 spin_lock_irqsave(&ci->lock, flags); in ci_udc_vbus_session()
1683 ci->vbus_active = is_active; in ci_udc_vbus_session()
1684 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_vbus_session()
1686 if (ci->usb_phy) in ci_udc_vbus_session()
1687 usb_phy_set_charger_state(ci->usb_phy, is_active ? in ci_udc_vbus_session()
1690 if (ci->platdata->notify_event) in ci_udc_vbus_session()
1691 ret = ci->platdata->notify_event(ci, in ci_udc_vbus_session()
1694 if (ci->driver) in ci_udc_vbus_session()
1702 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_wakeup() local
1706 spin_lock_irqsave(&ci->lock, flags); in ci_udc_wakeup()
1707 if (ci->gadget.speed == USB_SPEED_UNKNOWN) { in ci_udc_wakeup()
1708 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_wakeup()
1711 if (!ci->remote_wakeup) { in ci_udc_wakeup()
1715 if (!hw_read(ci, OP_PORTSC, PORTSC_SUSP)) { in ci_udc_wakeup()
1719 hw_write(ci, OP_PORTSC, PORTSC_FPR, PORTSC_FPR); in ci_udc_wakeup()
1721 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_wakeup()
1727 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_vbus_draw() local
1729 if (ci->usb_phy) in ci_udc_vbus_draw()
1730 return usb_phy_set_power(ci->usb_phy, ma); in ci_udc_vbus_draw()
1736 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_selfpowered() local
1737 struct ci_hw_ep *hwep = ci->ep0in; in ci_udc_selfpowered()
1752 struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); in ci_udc_pullup() local
1758 if (ci_otg_is_fsm_mode(ci) || ci->role == CI_ROLE_HOST) in ci_udc_pullup()
1761 pm_runtime_get_sync(ci->dev); in ci_udc_pullup()
1763 hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); in ci_udc_pullup()
1765 hw_write(ci, OP_USBCMD, USBCMD_RS, 0); in ci_udc_pullup()
1766 pm_runtime_put_sync(ci->dev); in ci_udc_pullup()
1780 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_match_ep() local
1784 list_for_each_entry_reverse(ep, &ci->gadget.ep_list, ep_list) { in ci_udc_match_ep()
1809 static int init_eps(struct ci_hdrc *ci) in init_eps() argument
1813 for (i = 0; i < ci->hw_ep_max/2; i++) in init_eps()
1815 int k = i + j * ci->hw_ep_max/2; in init_eps()
1816 struct ci_hw_ep *hwep = &ci->ci_hw_ep[k]; in init_eps()
1821 hwep->ci = ci; in init_eps()
1822 hwep->lock = &ci->lock; in init_eps()
1823 hwep->td_pool = ci->td_pool; in init_eps()
1849 hwep->qh.ptr = dma_pool_zalloc(ci->qh_pool, GFP_KERNEL, in init_eps()
1860 ci->ep0out = hwep; in init_eps()
1862 ci->ep0in = hwep; in init_eps()
1868 list_add_tail(&hwep->ep.ep_list, &ci->gadget.ep_list); in init_eps()
1874 static void destroy_eps(struct ci_hdrc *ci) in destroy_eps() argument
1878 for (i = 0; i < ci->hw_ep_max; i++) { in destroy_eps()
1879 struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; in destroy_eps()
1883 dma_pool_free(ci->qh_pool, hwep->qh.ptr, hwep->qh.dma); in destroy_eps()
1897 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_start() local
1903 ci->ep0out->ep.desc = &ctrl_endpt_out_desc; in ci_udc_start()
1904 retval = usb_ep_enable(&ci->ep0out->ep); in ci_udc_start()
1908 ci->ep0in->ep.desc = &ctrl_endpt_in_desc; in ci_udc_start()
1909 retval = usb_ep_enable(&ci->ep0in->ep); in ci_udc_start()
1913 ci->driver = driver; in ci_udc_start()
1916 if (ci_otg_is_fsm_mode(ci) && ci->fsm.id) { in ci_udc_start()
1917 ci_hdrc_otg_fsm_start(ci); in ci_udc_start()
1921 if (ci->vbus_active) in ci_udc_start()
1924 usb_udc_vbus_handler(&ci->gadget, false); in ci_udc_start()
1929 static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci) in ci_udc_stop_for_otg_fsm() argument
1931 if (!ci_otg_is_fsm_mode(ci)) in ci_udc_stop_for_otg_fsm()
1934 mutex_lock(&ci->fsm.lock); in ci_udc_stop_for_otg_fsm()
1935 if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) { in ci_udc_stop_for_otg_fsm()
1936 ci->fsm.a_bidl_adis_tmout = 1; in ci_udc_stop_for_otg_fsm()
1937 ci_hdrc_otg_fsm_start(ci); in ci_udc_stop_for_otg_fsm()
1938 } else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) { in ci_udc_stop_for_otg_fsm()
1939 ci->fsm.protocol = PROTO_UNDEF; in ci_udc_stop_for_otg_fsm()
1940 ci->fsm.otg->state = OTG_STATE_UNDEFINED; in ci_udc_stop_for_otg_fsm()
1942 mutex_unlock(&ci->fsm.lock); in ci_udc_stop_for_otg_fsm()
1950 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in ci_udc_stop() local
1953 spin_lock_irqsave(&ci->lock, flags); in ci_udc_stop()
1954 ci->driver = NULL; in ci_udc_stop()
1956 if (ci->vbus_active) { in ci_udc_stop()
1957 hw_device_state(ci, 0); in ci_udc_stop()
1958 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_stop()
1959 if (ci->platdata->notify_event) in ci_udc_stop()
1960 ci->platdata->notify_event(ci, in ci_udc_stop()
1962 _gadget_stop_activity(&ci->gadget); in ci_udc_stop()
1963 spin_lock_irqsave(&ci->lock, flags); in ci_udc_stop()
1964 pm_runtime_put(ci->dev); in ci_udc_stop()
1967 spin_unlock_irqrestore(&ci->lock, flags); in ci_udc_stop()
1969 ci_udc_stop_for_otg_fsm(ci); in ci_udc_stop()
1982 static irqreturn_t udc_irq(struct ci_hdrc *ci) in udc_irq() argument
1987 if (ci == NULL) in udc_irq()
1990 spin_lock(&ci->lock); in udc_irq()
1992 if (ci->platdata->flags & CI_HDRC_REGS_SHARED) { in udc_irq()
1993 if (hw_read(ci, OP_USBMODE, USBMODE_CM) != in udc_irq()
1995 spin_unlock(&ci->lock); in udc_irq()
1999 intr = hw_test_and_clear_intr_active(ci); in udc_irq()
2004 isr_reset_handler(ci); in udc_irq()
2007 ci->gadget.speed = hw_port_is_high_speed(ci) ? in udc_irq()
2009 if (ci->suspended) { in udc_irq()
2010 if (ci->driver->resume) { in udc_irq()
2011 spin_unlock(&ci->lock); in udc_irq()
2012 ci->driver->resume(&ci->gadget); in udc_irq()
2013 spin_lock(&ci->lock); in udc_irq()
2015 ci->suspended = 0; in udc_irq()
2016 usb_gadget_set_state(&ci->gadget, in udc_irq()
2017 ci->resume_state); in udc_irq()
2022 isr_tr_complete_handler(ci); in udc_irq()
2024 if ((USBi_SLI & intr) && !(ci->suspended)) { in udc_irq()
2025 ci->suspended = 1; in udc_irq()
2026 ci->resume_state = ci->gadget.state; in udc_irq()
2027 if (ci->gadget.speed != USB_SPEED_UNKNOWN && in udc_irq()
2028 ci->driver->suspend) { in udc_irq()
2029 spin_unlock(&ci->lock); in udc_irq()
2030 ci->driver->suspend(&ci->gadget); in udc_irq()
2031 spin_lock(&ci->lock); in udc_irq()
2033 usb_gadget_set_state(&ci->gadget, in udc_irq()
2040 spin_unlock(&ci->lock); in udc_irq()
2049 static int udc_start(struct ci_hdrc *ci) in udc_start() argument
2051 struct device *dev = ci->dev; in udc_start()
2052 struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps; in udc_start()
2055 ci->gadget.ops = &usb_gadget_ops; in udc_start()
2056 ci->gadget.speed = USB_SPEED_UNKNOWN; in udc_start()
2057 ci->gadget.max_speed = USB_SPEED_HIGH; in udc_start()
2058 ci->gadget.name = ci->platdata->name; in udc_start()
2059 ci->gadget.otg_caps = otg_caps; in udc_start()
2060 ci->gadget.sg_supported = 1; in udc_start()
2061 ci->gadget.irq = ci->irq; in udc_start()
2063 if (ci->platdata->flags & CI_HDRC_REQUIRES_ALIGNED_DMA) in udc_start()
2064 ci->gadget.quirk_avoids_skb_reserve = 1; in udc_start()
2066 if (ci->is_otg && (otg_caps->hnp_support || otg_caps->srp_support || in udc_start()
2068 ci->gadget.is_otg = 1; in udc_start()
2070 INIT_LIST_HEAD(&ci->gadget.ep_list); in udc_start()
2073 ci->qh_pool = dma_pool_create("ci_hw_qh", dev->parent, in udc_start()
2076 if (ci->qh_pool == NULL) in udc_start()
2079 ci->td_pool = dma_pool_create("ci_hw_td", dev->parent, in udc_start()
2082 if (ci->td_pool == NULL) { in udc_start()
2087 retval = init_eps(ci); in udc_start()
2091 ci->gadget.ep0 = &ci->ep0in->ep; in udc_start()
2093 retval = usb_add_gadget_udc(dev, &ci->gadget); in udc_start()
2100 destroy_eps(ci); in udc_start()
2102 dma_pool_destroy(ci->td_pool); in udc_start()
2104 dma_pool_destroy(ci->qh_pool); in udc_start()
2113 void ci_hdrc_gadget_destroy(struct ci_hdrc *ci) in ci_hdrc_gadget_destroy() argument
2115 if (!ci->roles[CI_ROLE_GADGET]) in ci_hdrc_gadget_destroy()
2118 usb_del_gadget_udc(&ci->gadget); in ci_hdrc_gadget_destroy()
2120 destroy_eps(ci); in ci_hdrc_gadget_destroy()
2122 dma_pool_destroy(ci->td_pool); in ci_hdrc_gadget_destroy()
2123 dma_pool_destroy(ci->qh_pool); in ci_hdrc_gadget_destroy()
2126 static int udc_id_switch_for_device(struct ci_hdrc *ci) in udc_id_switch_for_device() argument
2128 if (ci->platdata->pins_device) in udc_id_switch_for_device()
2129 pinctrl_select_state(ci->platdata->pctl, in udc_id_switch_for_device()
2130 ci->platdata->pins_device); in udc_id_switch_for_device()
2132 if (ci->is_otg) in udc_id_switch_for_device()
2134 hw_write_otgsc(ci, OTGSC_BSVIS | OTGSC_BSVIE, in udc_id_switch_for_device()
2140 static void udc_id_switch_for_host(struct ci_hdrc *ci) in udc_id_switch_for_host() argument
2146 if (ci->is_otg) in udc_id_switch_for_host()
2147 hw_write_otgsc(ci, OTGSC_BSVIE | OTGSC_BSVIS, OTGSC_BSVIS); in udc_id_switch_for_host()
2149 ci->vbus_active = 0; in udc_id_switch_for_host()
2151 if (ci->platdata->pins_device && ci->platdata->pins_default) in udc_id_switch_for_host()
2152 pinctrl_select_state(ci->platdata->pctl, in udc_id_switch_for_host()
2153 ci->platdata->pins_default); in udc_id_switch_for_host()
2162 int ci_hdrc_gadget_init(struct ci_hdrc *ci) in ci_hdrc_gadget_init() argument
2167 if (!hw_read(ci, CAP_DCCPARAMS, DCCPARAMS_DC)) in ci_hdrc_gadget_init()
2170 rdrv = devm_kzalloc(ci->dev, sizeof(*rdrv), GFP_KERNEL); in ci_hdrc_gadget_init()
2179 ret = udc_start(ci); in ci_hdrc_gadget_init()
2181 ci->roles[CI_ROLE_GADGET] = rdrv; in ci_hdrc_gadget_init()