/* * Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc. * Copyright 2016 - 2017 NXP * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * o Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * o Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include "fsl_device_registers.h" #include #include "usb_device.h" #if ((defined(USB_DEVICE_CONFIG_EHCI)) && (USB_DEVICE_CONFIG_EHCI > 0U)) #include "usb_device_dci.h" #include "usb_device_ehci.h" #if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) #include "usb_phy.h" #endif /******************************************************************************* * Definitions ******************************************************************************/ #if defined(USB_STACK_USE_DEDICATED_RAM) && (USB_STACK_USE_DEDICATED_RAM > 0U) #error The SOC does not suppoort dedicated RAM case. #endif /******************************************************************************* * Prototypes ******************************************************************************/ static void USB_DeviceEhciSetDefaultState(usb_device_ehci_state_struct_t *ehciState); static usb_status_t USB_DeviceEhciEndpointInit(usb_device_ehci_state_struct_t *ehciState, usb_device_endpoint_init_struct_t *epInit); static usb_status_t USB_DeviceEhciEndpointDeinit(usb_device_ehci_state_struct_t *ehciState, uint8_t ep); static usb_status_t USB_DeviceEhciEndpointStall(usb_device_ehci_state_struct_t *ehciState, uint8_t ep); static usb_status_t USB_DeviceEhciEndpointUnstall(usb_device_ehci_state_struct_t *ehciState, uint8_t ep); static void USB_DeviceEhciFillSetupBuffer(usb_device_ehci_state_struct_t *ehciState, uint8_t ep); static void USB_DeviceEhciCancelControlPipe(usb_device_ehci_state_struct_t *ehciState, uint8_t endpoint, uint8_t direction); static void USB_DeviceEhciInterruptTokenDone(usb_device_ehci_state_struct_t *ehciState); static void USB_DeviceEhciInterruptPortChange(usb_device_ehci_state_struct_t *ehciState); static void USB_DeviceEhciInterruptReset(usb_device_ehci_state_struct_t *ehciState); static void USB_DeviceEhciInterruptSof(usb_device_ehci_state_struct_t *ehciState); #if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) static void USB_DeviceEhciInterruptSuspend(usb_device_ehci_state_struct_t *ehciState); #endif /* USB_DEVICE_CONFIG_LOW_POWER_MODE */ static usb_status_t USB_DeviceEhciTransfer(usb_device_ehci_state_struct_t *ehciState, uint8_t endpointAddress, uint8_t *buffer, uint32_t length); extern usb_status_t USB_DeviceNotificationTrigger(void *handle, void *msg); /******************************************************************************* * Variables ******************************************************************************/ /* Apply for QH buffer, 2048-byte alignment */ USB_RAM_ADDRESS_ALIGNMENT(2048) USB_CONTROLLER_DATA static uint8_t qh_buffer[(USB_DEVICE_CONFIG_EHCI - 1) * 2048 + USB_DEVICE_CONFIG_ENDPOINTS * 2 * sizeof(usb_device_ehci_qh_struct_t)]; /* Apply for DTD buffer, 32-byte alignment */ USB_RAM_ADDRESS_ALIGNMENT(32) USB_CONTROLLER_DATA static usb_device_ehci_dtd_struct_t s_UsbDeviceEhciDtd[USB_DEVICE_CONFIG_EHCI][USB_DEVICE_CONFIG_EHCI_MAX_DTD]; /* Apply for ehci device state structure */ static usb_device_ehci_state_struct_t g_UsbDeviceEhciSate[USB_DEVICE_CONFIG_EHCI]; #if (defined(USB_DEVICE_CHARGER_DETECT_ENABLE) && (USB_DEVICE_CHARGER_DETECT_ENABLE > 0U)) && \ (defined(FSL_FEATURE_SOC_USBHSDCD_COUNT) && (FSL_FEATURE_SOC_USBHSDCD_COUNT > 0U)) /* Apply for device dcd state structure */ static usb_device_dcd_state_struct_t s_UsbDeviceDcdHSState[USB_DEVICE_CONFIG_EHCI]; #endif /******************************************************************************* * Code ******************************************************************************/ /*! * @brief EHCI NC get USB NC bass address. * * This function is used to get USB NC bass address. * * @param[in] controllerId EHCI controller ID; See the #usb_controller_index_t. * * @retval USB NC bass address. */ #if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) #if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U)) void *USB_EhciNCGetBase(uint8_t controllerId) { void *usbNCBase = NULL; #if ((defined FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U)) uint32_t instance; uint32_t newinstance = 0; uint32_t usbnc_base_temp[] = USBNC_BASE_ADDRS; uint32_t usbnc_base[] = USBNC_BASE_ADDRS; if (controllerId < kUSB_ControllerEhci0) { return NULL; } controllerId = controllerId - kUSB_ControllerEhci0; for (instance = 0; instance < (sizeof(usbnc_base_temp) / sizeof(usbnc_base_temp[0])); instance++) { if (usbnc_base_temp[instance]) { usbnc_base[newinstance++] = usbnc_base_temp[instance]; } } if (controllerId > newinstance) { return NULL; } usbNCBase = (void *)usbnc_base[controllerId]; #endif return usbNCBase; } #endif #endif /*! * @brief Set device controller state to default state. * * The function is used to set device controller state to default state. * The function will be called when USB_DeviceEhciInit called or the control type kUSB_DeviceControlGetEndpointStatus * received in USB_DeviceEhciControl. * * @param ehciState Pointer of the device EHCI state structure. * */ static void USB_DeviceEhciSetDefaultState(usb_device_ehci_state_struct_t *ehciState) { usb_device_ehci_dtd_struct_t *p; /* Initialize the dtd free queue */ ehciState->dtdFree = ehciState->dtd; p = ehciState->dtdFree; for (uint32_t i = 1U; i < USB_DEVICE_CONFIG_EHCI_MAX_DTD; i++) { p->nextDtdPointer = (uint32_t)&ehciState->dtd[i]; p = (usb_device_ehci_dtd_struct_t *)p->nextDtdPointer; } p->nextDtdPointer = 0U; ehciState->dtdCount = USB_DEVICE_CONFIG_EHCI_MAX_DTD; /* Not use interrupt threshold. */ ehciState->registerBase->USBCMD &= ~USBHS_USBCMD_ITC_MASK; ehciState->registerBase->USBCMD |= USBHS_USBCMD_ITC(0U); /* Disable setup lockout, please refer to "Control Endpoint Operation" section in RM. */ ehciState->registerBase->USBMODE |= USBHS_USBMODE_SLOM_MASK; /* Set the endian by using CPU's endian */ #if (ENDIANNESS == USB_BIG_ENDIAN) ehciState->registerBase->USBMODE |= USBHS_USBMODE_ES_MASK; #else ehciState->registerBase->USBMODE &= ~USBHS_USBMODE_ES_MASK; #endif /* Initialize the QHs of endpoint. */ for (uint32_t i = 0U; i < (USB_DEVICE_CONFIG_ENDPOINTS * 2U); i++) { ehciState->qh[i].nextDtdPointer = USB_DEVICE_ECHI_DTD_TERMINATE_MASK; ehciState->qh[i].capabilttiesCharacteristicsUnion.capabilttiesCharacteristicsBitmap.maxPacketSize = USB_CONTROL_MAX_PACKET_SIZE; ehciState->dtdHard[i] = NULL; ehciState->dtdTail[i] = NULL; ehciState->qh[i].endpointStatusUnion.endpointStatusBitmap.isOpened = 0U; } /* Add QH buffer address to USBHS_EPLISTADDR_REG */ ehciState->registerBase->EPLISTADDR = (uint32_t)ehciState->qh; /* Clear device address */ ehciState->registerBase->DEVICEADDR = 0U; #if defined(USB_DEVICE_CONFIG_DETACH_ENABLE) && (USB_DEVICE_CONFIG_DETACH_ENABLE > 0U) ehciState->registerBase->OTGSC = ehciState->registerBase->OTGSC & 0x0000FFFF; ehciState->registerBase->OTGSC |= USBHS_OTGSC_BSVIE_MASK; #endif /* USB_DEVICE_CONFIG_DETACH_ENABLE */ /* Enable reset, sof, token, stall interrupt */ ehciState->registerBase->USBINTR = (USBHS_USBINTR_UE_MASK | USBHS_USBINTR_UEE_MASK | USBHS_USBINTR_PCE_MASK | USBHS_USBINTR_URE_MASK #if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) | USBHS_USBINTR_SLE_MASK #endif /* USB_DEVICE_CONFIG_LOW_POWER_MODE */ ); /* Clear reset flag */ ehciState->isResetting = 0U; } /*! * @brief Initialize a specified endpoint. * * The function is used to initialize a specified endpoint. * * @param ehciState Pointer of the device EHCI state structure. * @param epInit The endpoint initialization structure pointer. * * @return A USB error code or kStatus_USB_Success. */ static usb_status_t USB_DeviceEhciEndpointInit(usb_device_ehci_state_struct_t *ehciState, usb_device_endpoint_init_struct_t *epInit) { uint32_t primeBit = 1U << ((epInit->endpointAddress & USB_ENDPOINT_NUMBER_MASK) + ((epInit->endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> 0x03U)); uint16_t maxPacketSize = epInit->maxPacketSize & USB_DESCRIPTOR_ENDPOINT_MAXPACKETSIZE_SIZE_MASK; uint8_t endpoint = (epInit->endpointAddress & USB_ENDPOINT_NUMBER_MASK); uint8_t direction = (epInit->endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT; uint8_t index = ((uint8_t)((uint32_t)endpoint << 1U)) | direction; uint8_t transferType = epInit->transferType & USB_DESCRIPTOR_ENDPOINT_ATTRIBUTE_TYPE_MASK; /* Cancel pending transfer of the endpoint */ USB_DeviceEhciCancel(ehciState, epInit->endpointAddress); if ((ehciState->registerBase->EPPRIME & primeBit) || (ehciState->registerBase->EPSR & primeBit)) { return kStatus_USB_Busy; } /* Make the endpoint max packet size align with USB Specification 2.0. */ if (USB_ENDPOINT_ISOCHRONOUS == transferType) { if (maxPacketSize > USB_DEVICE_MAX_HS_ISO_MAX_PACKET_SIZE) { maxPacketSize = USB_DEVICE_MAX_HS_ISO_MAX_PACKET_SIZE; } ehciState->qh[index].capabilttiesCharacteristicsUnion.capabilttiesCharacteristicsBitmap.mult = 1U + ((maxPacketSize & USB_DESCRIPTOR_ENDPOINT_MAXPACKETSIZE_MULT_TRANSACTIONS_MASK) >> USB_DESCRIPTOR_ENDPOINT_MAXPACKETSIZE_MULT_TRANSACTIONS_SHFIT); } else { ehciState->qh[index].capabilttiesCharacteristicsUnion.capabilttiesCharacteristicsBitmap.mult = 0U; } /* Save the max packet size of the endpoint */ ehciState->qh[index].capabilttiesCharacteristicsUnion.capabilttiesCharacteristicsBitmap.maxPacketSize = maxPacketSize; /* Set ZLT bit. */ ehciState->qh[index].capabilttiesCharacteristicsUnion.capabilttiesCharacteristicsBitmap.zlt = !epInit->zlt; /* Enable the endpoint. */ if (USB_ENDPOINT_CONTROL == transferType) { ehciState->qh[index].capabilttiesCharacteristicsUnion.capabilttiesCharacteristicsBitmap.ios = 1U; ehciState->registerBase->EPCR0 |= (direction ? (USBHS_EPCR_TXE_MASK | USBHS_EPCR_TXR_MASK | ((uint32_t)transferType << USBHS_EPCR_TXT_SHIFT)) : (USBHS_EPCR_RXE_MASK | USBHS_EPCR_RXR_MASK | ((uint32_t)transferType << USBHS_EPCR_RXT_SHIFT))); } else { ehciState->qh[index].capabilttiesCharacteristicsUnion.capabilttiesCharacteristicsBitmap.ios = 0U; ehciState->registerBase->EPCR[endpoint - 1U] |= (direction ? (USBHS_EPCR_TXE_MASK | USBHS_EPCR_TXR_MASK | ((uint32_t)transferType << USBHS_EPCR_TXT_SHIFT)) : (USBHS_EPCR_RXE_MASK | USBHS_EPCR_RXR_MASK | ((uint32_t)transferType << USBHS_EPCR_RXT_SHIFT))); } ehciState->qh[index].endpointStatusUnion.endpointStatusBitmap.isOpened = 1U; return kStatus_USB_Success; } /*! * @brief De-initialize a specified endpoint. * * The function is used to de-initialize a specified endpoint. * Current transfer of the endpoint will be cancelled and the specified endpoint will be disabled. * * @param ehciState Pointer of the device EHCI state structure. * @param ep The endpoint address, Bit7, 0U - USB_OUT, 1U - USB_IN. * * @return A USB error code or kStatus_USB_Success. */ static usb_status_t USB_DeviceEhciEndpointDeinit(usb_device_ehci_state_struct_t *ehciState, uint8_t ep) { uint32_t primeBit = 1U << ((ep & USB_ENDPOINT_NUMBER_MASK) + ((ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> 0x03U)); uint8_t endpoint = (ep & USB_ENDPOINT_NUMBER_MASK); uint8_t direction = (ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT; uint8_t index = ((uint8_t)((uint32_t)endpoint << 1U)) | direction; ehciState->qh[index].endpointStatusUnion.endpointStatusBitmap.isOpened = 0U; /* Cancel the transfer of the endpoint */ USB_DeviceEhciCancel(ehciState, ep); if ((ehciState->registerBase->EPPRIME & primeBit) || (ehciState->registerBase->EPSR & primeBit)) { return kStatus_USB_Busy; } /* Clear endpoint state */ ehciState->qh[index].capabilttiesCharacteristicsUnion.capabilttiesCharacteristics = 0U; /* Disable the endpoint */ if (!endpoint) { ehciState->registerBase->EPCR0 &= ~(direction ? (USBHS_EPCR_TXE_MASK | USBHS_EPCR_TXT_MASK) : (USBHS_EPCR_RXE_MASK | USBHS_EPCR_RXT_MASK)); } else { ehciState->registerBase->EPCR[endpoint - 1U] &= ~(direction ? (USBHS_EPCR_TXE_MASK | USBHS_EPCR_TXT_MASK) : (USBHS_EPCR_RXE_MASK | USBHS_EPCR_RXT_MASK)); } return kStatus_USB_Success; } /*! * @brief Stall a specified endpoint. * * The function is used to stall a specified endpoint. * Current transfer of the endpoint will be cancelled and the specified endpoint will be stalled. * * @param ehciState Pointer of the device EHCI state structure. * @param ep The endpoint address, Bit7, 0U - USB_OUT, 1U - USB_IN. * * @return A USB error code or kStatus_USB_Success. */ static usb_status_t USB_DeviceEhciEndpointStall(usb_device_ehci_state_struct_t *ehciState, uint8_t ep) { uint8_t endpoint = ep & USB_ENDPOINT_NUMBER_MASK; uint8_t direction = (ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT; uint8_t index = ((uint8_t)((uint32_t)endpoint << 1U)) | direction; /* Cancel the transfer of the endpoint */ USB_DeviceEhciCancel(ehciState, ep); /* Set endpoint stall flag. */ if (ehciState->qh[index].capabilttiesCharacteristicsUnion.capabilttiesCharacteristicsBitmap.ios) { if (!endpoint) { ehciState->registerBase->EPCR0 |= (USBHS_EPCR_TXS_MASK | USBHS_EPCR_RXS_MASK); } else { ehciState->registerBase->EPCR[endpoint - 1U] |= (USBHS_EPCR_TXS_MASK | USBHS_EPCR_RXS_MASK); } } else { if (!endpoint) { ehciState->registerBase->EPCR0 |= (direction ? USBHS_EPCR_TXS_MASK : USBHS_EPCR_RXS_MASK); } else { ehciState->registerBase->EPCR[endpoint - 1U] |= (direction ? USBHS_EPCR_TXS_MASK : USBHS_EPCR_RXS_MASK); } } return kStatus_USB_Success; } /*! * @brief Un-stall a specified endpoint. * * The function is used to un-stall a specified endpoint. * Current transfer of the endpoint will be cancelled and the specified endpoint will be un-stalled. * * @param ehciState Pointer of the device EHCI state structure. * @param ep The endpoint address, Bit7, 0U - USB_OUT, 1U - USB_IN. * * @return A USB error code or kStatus_USB_Success. */ static usb_status_t USB_DeviceEhciEndpointUnstall(usb_device_ehci_state_struct_t *ehciState, uint8_t ep) { uint8_t endpoint = ep & USB_ENDPOINT_NUMBER_MASK; uint8_t direction = (ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT; /* Clear the endpoint stall state */ if (!endpoint) { ehciState->registerBase->EPCR0 &= ~(direction ? USBHS_EPCR_TXS_MASK : USBHS_EPCR_RXS_MASK); } else { ehciState->registerBase->EPCR[endpoint - 1U] &= ~(direction ? USBHS_EPCR_TXS_MASK : USBHS_EPCR_RXS_MASK); ehciState->registerBase->EPCR[endpoint - 1U] |= (direction ? USBHS_EPCR_TXR_MASK : USBHS_EPCR_RXR_MASK); } return kStatus_USB_Success; } /*! * @brief Get setup packet data. * * The function is used to get setup packet data and copy to a backup buffer. * * @param ehciState Pointer of the device EHCI state structure. * @param ep The endpoint number. * */ static void USB_DeviceEhciFillSetupBuffer(usb_device_ehci_state_struct_t *ehciState, uint8_t ep) { uint8_t waitingSafelyAccess = 1U; uint8_t index = (ep * 2U) | USB_OUT; /* Write 1U to clear corresponding bit in EPSETUPSR. */ ehciState->registerBase->EPSETUPSR = 1U << ep; while (waitingSafelyAccess) { /* Set the setup tripwire bit. */ ehciState->registerBase->USBCMD |= USBHS_USBCMD_SUTW_MASK; /* Copy setup packet data to backup buffer */ ehciState->qh[index].setupBufferBack[0] = ehciState->qh[index].setupBuffer[0]; ehciState->qh[index].setupBufferBack[1] = ehciState->qh[index].setupBuffer[1]; /* Read the USBCMD[SUTW] bit. If set, jump out from the while loop; if cleared continue */ if (ehciState->registerBase->USBCMD & USBHS_USBCMD_SUTW_MASK) { waitingSafelyAccess = 0U; } } /* Clear the setup tripwire bit */ ehciState->registerBase->USBCMD &= ~USBHS_USBCMD_SUTW_MASK; /* Poll until the EPSETUPSR bit clearred */ while (ehciState->registerBase->EPSETUPSR & (1U << ep)) { } } /*! * @brief Cancel the transfer of the control pipe. * * The function is used to cancel the transfer of the control pipe. * * @param ehciState Pointer of the device EHCI state structure. * @param endpoint The endpoint number. * @param direction The direction of the endpoint. * */ static void USB_DeviceEhciCancelControlPipe(usb_device_ehci_state_struct_t *ehciState, uint8_t endpoint, uint8_t direction) { usb_device_ehci_dtd_struct_t *currentDtd; uint32_t index = ((uint32_t)endpoint << 1U) + (uint32_t)direction; usb_device_callback_message_struct_t message; message.buffer = NULL; message.length = 0U; /* Get the dtd of the control pipe */ currentDtd = (usb_device_ehci_dtd_struct_t *)((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK); while (currentDtd) { /* Pass the transfer buffer address */ if (NULL == message.buffer) { uint32_t bufferAddress = currentDtd->bufferPointerPage[0]; message.buffer = (uint8_t *)((bufferAddress & USB_DEVICE_ECHI_DTD_PAGE_MASK) | (currentDtd->reservedUnion.originalBufferInfo.originalBufferOffest)); } /* If the dtd is active, set the message length to USB_UNINITIALIZED_VAL_32. Or set the length by using finished * length. */ if (currentDtd->dtdTokenUnion.dtdTokenBitmap.status & USB_DEVICE_ECHI_DTD_STATUS_ACTIVE) { message.length = USB_UNINITIALIZED_VAL_32; } else { message.length += (currentDtd->reservedUnion.originalBufferInfo.originalBufferLength - currentDtd->dtdTokenUnion.dtdTokenBitmap.totalBytes); } /* Move the dtd head pointer to next. */ /* If the pointer of the head equals to the tail, set the dtd queue to null. */ if (ehciState->dtdHard[index] == ehciState->dtdTail[index]) { ehciState->dtdHard[index] = NULL; ehciState->dtdTail[index] = NULL; ehciState->qh[index].nextDtdPointer = USB_DEVICE_ECHI_DTD_TERMINATE_MASK; ehciState->qh[index].dtdTokenUnion.dtdToken = 0U; } else { ehciState->dtdHard[index] = (usb_device_ehci_dtd_struct_t *)ehciState->dtdHard[index]->nextDtdPointer; } /* When the ioc is set or the dtd queue is empty, the up layer will be notified. */ if ((currentDtd->dtdTokenUnion.dtdTokenBitmap.ioc) || (0 == ((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK))) { message.code = endpoint | (uint8_t)((uint32_t)direction << 0x07U); message.isSetup = 0U; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); message.buffer = NULL; message.length = 0U; } /* Clear the token field of the dtd. */ currentDtd->dtdTokenUnion.dtdToken = 0U; /* Add the dtd to the free dtd queue. */ currentDtd->nextDtdPointer = (uint32_t)ehciState->dtdFree; ehciState->dtdFree = currentDtd; ehciState->dtdCount++; /* Get the next in-used dtd. */ currentDtd = (usb_device_ehci_dtd_struct_t *)((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK); } } /*! * @brief Handle the endpoint token done interrupt. * * The function is used to handle the endpoint token done interrupt. * * @param ehciState Pointer of the device EHCI state structure. * */ static void USB_DeviceEhciInterruptTokenDone(usb_device_ehci_state_struct_t *ehciState) { uint32_t status; uint32_t primeBit; usb_device_ehci_dtd_struct_t *currentDtd; usb_device_callback_message_struct_t message; uint8_t endpoint; uint8_t direction; uint8_t count; uint8_t index; /* Get the EPSETUPSR to check the setup packect received in which one endpoint. */ status = ehciState->registerBase->EPSETUPSR; if (status) { for (endpoint = 0U; endpoint < USB_DEVICE_CONFIG_ENDPOINTS; endpoint++) { /* Check the endpoint receive the setup packet. */ if (status & (1U << endpoint)) { /* Get last setup packet */ usb_setup_struct_t *deviceSetup = (usb_setup_struct_t *)&ehciState->qh[(uint8_t)((uint32_t)endpoint << 1U) + USB_OUT].setupBufferBack; /* Check the direction of the data phase. */ direction = (deviceSetup->bmRequestType & USB_REQUEST_TYPE_DIR_IN) >> USB_REQUEST_TYPE_DIR_SHIFT; /* Cancel the data phase transfer */ USB_DeviceEhciCancelControlPipe(ehciState, endpoint, direction); /* Cancel the status phase transfer */ USB_DeviceEhciCancelControlPipe(ehciState, endpoint, 1U ^ direction); message.code = (endpoint) | (USB_OUT << 0x07U); message.buffer = (uint8_t *)deviceSetup; message.length = USB_SETUP_PACKET_SIZE; message.isSetup = 1U; /* Fill the setup packet to the backup buffer */ USB_DeviceEhciFillSetupBuffer(ehciState, endpoint); /* Notify the up layer the EHCI status changed. */ USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); } } } /* Read the USBHS_EPCOMPLETE_REG to get the endpoint transfer done status */ status = ehciState->registerBase->EPCOMPLETE; /* Clear the endpoint transfer done status */ ehciState->registerBase->EPCOMPLETE = status; if (status) { for (count = 0U; count < 32U; count++) { /* Check the transfer is done or not in the specified endpoint. */ if (status & ((uint32_t)(1U << count))) { if (count > 15U) { endpoint = count - 16U; direction = USB_IN; } else { endpoint = count; direction = USB_OUT; } if (endpoint >= USB_DEVICE_CONFIG_ENDPOINTS) { continue; } index = (endpoint << 1U) + direction; message.buffer = NULL; message.length = 0U; /* Get the in-used dtd of the specified endpoint. */ currentDtd = (usb_device_ehci_dtd_struct_t *)((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK); while (currentDtd) { uint8_t isTokenDone = 0; /* Get the in-used dtd of the specified endpoint. */ currentDtd = (usb_device_ehci_dtd_struct_t *)((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK); while (currentDtd) { /* Don't handle the active dtd. */ if ((currentDtd->dtdTokenUnion.dtdTokenBitmap.status & USB_DEVICE_ECHI_DTD_STATUS_ACTIVE) || (currentDtd->dtdTokenUnion.dtdTokenBitmap.ioc)) { if ((!(currentDtd->dtdTokenUnion.dtdTokenBitmap.status & USB_DEVICE_ECHI_DTD_STATUS_ACTIVE)) && (currentDtd->dtdTokenUnion.dtdTokenBitmap.ioc)) { isTokenDone = 1U; } break; } currentDtd = (usb_device_ehci_dtd_struct_t *)(currentDtd->nextDtdPointer & USB_DEVICE_ECHI_DTD_POINTER_MASK); } if ((0 == isTokenDone) && (currentDtd)) { break; } /* Get the in-used dtd of the specified endpoint. */ currentDtd = (usb_device_ehci_dtd_struct_t *)((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK); while (currentDtd) { /* Don't handle the active dtd. */ if (currentDtd->dtdTokenUnion.dtdTokenBitmap.status & USB_DEVICE_ECHI_DTD_STATUS_ACTIVE) { break; } /* Save the transfer buffer address */ if (NULL == message.buffer) { message.buffer = (uint8_t *)((currentDtd->bufferPointerPage[0] & USB_DEVICE_ECHI_DTD_PAGE_MASK) | (currentDtd->reservedUnion.originalBufferInfo.originalBufferOffest)); } /* Save the transferred data length */ message.length += (currentDtd->reservedUnion.originalBufferInfo.originalBufferLength - currentDtd->dtdTokenUnion.dtdTokenBitmap.totalBytes); /* Move the dtd queue head pointer to next */ if (ehciState->dtdHard[index] == ehciState->dtdTail[index]) { ehciState->dtdHard[index] = NULL; ehciState->dtdTail[index] = NULL; ehciState->qh[index].nextDtdPointer = USB_DEVICE_ECHI_DTD_TERMINATE_MASK; ehciState->qh[index].dtdTokenUnion.dtdToken = 0U; } else { ehciState->dtdHard[index] = (usb_device_ehci_dtd_struct_t *)ehciState->dtdHard[index]->nextDtdPointer; } /* When the ioc is set or the dtd queue is empty, the up layer will be notified. */ if ((currentDtd->dtdTokenUnion.dtdTokenBitmap.ioc) || (0 == ((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK))) { message.code = endpoint | (uint8_t)((uint32_t)direction << 0x07U); message.isSetup = 0U; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); message.buffer = NULL; message.length = 0U; } /* Clear the token field of the dtd */ currentDtd->dtdTokenUnion.dtdToken = 0U; currentDtd->nextDtdPointer = (uint32_t)ehciState->dtdFree; ehciState->dtdFree = currentDtd; ehciState->dtdCount++; /* Get the next in-used dtd */ currentDtd = (usb_device_ehci_dtd_struct_t *)((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK); if ((NULL != currentDtd) && (currentDtd->dtdTokenUnion.dtdTokenBitmap.status & USB_DEVICE_ECHI_DTD_STATUS_ACTIVE)) { primeBit = 1U << (endpoint + 16U * direction); /* Try to prime the next dtd. */ ehciState->registerBase->EPPRIME = primeBit; /* Whether the endpoint transmit/receive buffer is ready or not. If not, wait for prime bit * cleared and prime the next dtd. */ if (!(ehciState->registerBase->EPSR & primeBit)) { /* Wait for the endpoint prime bit cleared by HW */ while (ehciState->registerBase->EPPRIME & primeBit) { } /* If the endpoint transmit/receive buffer is not ready */ if (!(ehciState->registerBase->EPSR & primeBit)) { /* Prime next dtd and prime the transfer */ ehciState->qh[index].nextDtdPointer = (uint32_t)currentDtd; ehciState->qh[index].dtdTokenUnion.dtdToken = 0U; ehciState->registerBase->EPPRIME = primeBit; } } } } } } } } } /*! * @brief Handle the port status change interrupt. * * The function is used to handle the port status change interrupt. * * @param ehciState Pointer of the device EHCI state structure. * */ static void USB_DeviceEhciInterruptPortChange(usb_device_ehci_state_struct_t *ehciState) { usb_device_callback_message_struct_t message; message.buffer = (uint8_t *)NULL; message.length = 0U; message.isSetup = 0U; /* Whether the port is doing reset. */ if (!(ehciState->registerBase->PORTSC1 & USBHS_PORTSC1_PR_MASK)) { /* If not, update the USB speed. */ if (ehciState->registerBase->PORTSC1 & USBHS_PORTSC1_HSP_MASK) { ehciState->speed = USB_SPEED_HIGH; } else { ehciState->speed = USB_SPEED_FULL; } /* If the device reset flag is non-zero, notify the up layer the device reset finished. */ if (ehciState->isResetting) { message.code = kUSB_DeviceNotifyBusReset; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); ehciState->isResetting = 0U; } } #if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) if ((ehciState->isSuspending) && (!(ehciState->registerBase->PORTSC1 & USBHS_PORTSC1_SUSP_MASK))) { /* Set the resume flag */ ehciState->isSuspending = 0U; message.code = kUSB_DeviceNotifyResume; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); } #endif /* USB_DEVICE_CONFIG_LOW_POWER_MODE */ } /*! * @brief Handle the reset interrupt. * * The function is used to handle the reset interrupt. * * @param ehciState Pointer of the device EHCI state structure. * */ static void USB_DeviceEhciInterruptReset(usb_device_ehci_state_struct_t *ehciState) { uint32_t status = 0U; /* Clear the setup flag */ status = ehciState->registerBase->EPSETUPSR; ehciState->registerBase->EPSETUPSR = status; /* Clear the endpoint complete flag */ status = ehciState->registerBase->EPCOMPLETE; ehciState->registerBase->EPCOMPLETE = status; do { /* Flush the pending transfers */ ehciState->registerBase->EPFLUSH = USBHS_EPFLUSH_FERB_MASK | USBHS_EPFLUSH_FETB_MASK; } while (ehciState->registerBase->EPPRIME & (USBHS_EPPRIME_PERB_MASK | USBHS_EPPRIME_PETB_MASK)); /* Whether is the port reset. If yes, set the isResetting flag. Or, notify the up layer. */ if (ehciState->registerBase->PORTSC1 & USBHS_PORTSC1_PR_MASK) { ehciState->isResetting = 1U; } else { usb_device_callback_message_struct_t message; message.buffer = (uint8_t *)NULL; message.code = kUSB_DeviceNotifyBusReset; message.length = 0U; message.isSetup = 0U; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); } } /*! * @brief Handle the sof interrupt. * * The function is used to handle the sof interrupt. * * @param ehciState Pointer of the device EHCI state structure. * */ static void USB_DeviceEhciInterruptSof(usb_device_ehci_state_struct_t *ehciState) { } #if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) /*! * @brief Handle the suspend interrupt. * * The function is used to handle the suspend interrupt. * * @param ehciState Pointer of the device EHCI state structure. * */ static void USB_DeviceEhciInterruptSuspend(usb_device_ehci_state_struct_t *ehciState) { /* If the port is in suspend state, notify the up layer */ if (ehciState->registerBase->PORTSC1 & USBHS_PORTSC1_SUSP_MASK) { #if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U)) #else if (ehciState->registerPhyBase->USB1_VBUS_DET_STAT & USBPHY_USB1_VBUS_DET_STAT_VBUS_VALID_3V_MASK) #endif { usb_device_callback_message_struct_t message; message.buffer = (uint8_t *)NULL; message.length = 0U; message.isSetup = 0U; message.code = kUSB_DeviceNotifySuspend; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); } } } #endif /* USB_DEVICE_CONFIG_LOW_POWER_MODE */ /*! * @brief Get dtds and link to QH. * * The function is used to get dtds and link to QH. * * @param ehciState Pointer of the device EHCI state structure. * @param endpointAddress The endpoint address, Bit7, 0U - USB_OUT, 1U - USB_IN. * @param buffer The memory address needed to be transferred. * @param length Data length. * * @return A USB error code or kStatus_USB_Success. */ static usb_status_t USB_DeviceEhciTransfer(usb_device_ehci_state_struct_t *ehciState, uint8_t endpointAddress, uint8_t *buffer, uint32_t length) { usb_device_ehci_dtd_struct_t *dtd; usb_device_ehci_dtd_struct_t *dtdHard; uint32_t index = ((endpointAddress & USB_ENDPOINT_NUMBER_MASK) << 1U) | ((endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT); uint32_t primeBit = 1U << ((endpointAddress & USB_ENDPOINT_NUMBER_MASK) + ((endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> 0x03U)); uint8_t epStatus = primeBit; uint32_t sendLength; uint32_t currentIndex = 0U; uint32_t dtdRequestCount = (length + USB_DEVICE_ECHI_DTD_TOTAL_BYTES - 1U) / USB_DEVICE_ECHI_DTD_TOTAL_BYTES; uint8_t qhIdle = 0U; uint8_t waitingSafelyAccess = 1U; USB_OSA_SR_ALLOC(); if (!ehciState) { return kStatus_USB_InvalidHandle; } if (0U == ehciState->qh[index].endpointStatusUnion.endpointStatusBitmap.isOpened) { return kStatus_USB_Error; } /* Return error when ehci is doing reset */ if (ehciState->isResetting) { return kStatus_USB_Error; } if (!dtdRequestCount) { dtdRequestCount = 1U; } USB_OSA_ENTER_CRITICAL(); /* The free dtd count need to not less than the transfer requests. */ if (dtdRequestCount > (uint32_t)ehciState->dtdCount) { USB_OSA_EXIT_CRITICAL(); return kStatus_USB_Busy; } do { /* The transfer length need to not more than USB_DEVICE_ECHI_DTD_TOTAL_BYTES for each dtd. */ if (length > USB_DEVICE_ECHI_DTD_TOTAL_BYTES) { sendLength = USB_DEVICE_ECHI_DTD_TOTAL_BYTES; } else { sendLength = length; } length -= sendLength; /* Get a free dtd */ dtd = ehciState->dtdFree; ehciState->dtdFree = (usb_device_ehci_dtd_struct_t *)dtd->nextDtdPointer; ehciState->dtdCount--; /* Save the dtd head when current active buffer offset is zero. */ if (!currentIndex) { dtdHard = dtd; } /* Set the dtd field */ dtd->nextDtdPointer = USB_DEVICE_ECHI_DTD_TERMINATE_MASK; dtd->dtdTokenUnion.dtdToken = 0U; dtd->bufferPointerPage[0] = (uint32_t)(buffer + currentIndex); dtd->bufferPointerPage[1] = (dtd->bufferPointerPage[0] + USB_DEVICE_ECHI_DTD_PAGE_BLOCK) & USB_DEVICE_ECHI_DTD_PAGE_MASK; dtd->bufferPointerPage[2] = dtd->bufferPointerPage[1] + USB_DEVICE_ECHI_DTD_PAGE_BLOCK; dtd->bufferPointerPage[3] = dtd->bufferPointerPage[2] + USB_DEVICE_ECHI_DTD_PAGE_BLOCK; dtd->bufferPointerPage[4] = dtd->bufferPointerPage[3] + USB_DEVICE_ECHI_DTD_PAGE_BLOCK; dtd->dtdTokenUnion.dtdTokenBitmap.totalBytes = sendLength; /* Save the data length needed to be transferred. */ dtd->reservedUnion.originalBufferInfo.originalBufferLength = sendLength; /* Save the original buffer address */ dtd->reservedUnion.originalBufferInfo.originalBufferOffest = dtd->bufferPointerPage[0] & USB_DEVICE_ECHI_DTD_PAGE_OFFSET_MASK; dtd->reservedUnion.originalBufferInfo.dtdInvalid = 0U; /* Set the IOC field in last dtd. */ if (!length) { dtd->dtdTokenUnion.dtdTokenBitmap.ioc = 1U; } /* Set dtd active */ dtd->dtdTokenUnion.dtdTokenBitmap.status = USB_DEVICE_ECHI_DTD_STATUS_ACTIVE; /* Move the buffer offset index */ currentIndex += sendLength; /* Add dtd to the in-used dtd queue */ if (ehciState->dtdTail[index]) { ehciState->dtdTail[index]->nextDtdPointer = (uint32_t)dtd; ehciState->dtdTail[index] = dtd; } else { ehciState->dtdHard[index] = dtd; ehciState->dtdTail[index] = dtd; qhIdle = 1U; } } while (length); /* If the QH is not empty */ if (!qhIdle) { /* If the prime bit is set, nothing need to do. */ if (ehciState->registerBase->EPPRIME & primeBit) { USB_OSA_EXIT_CRITICAL(); return kStatus_USB_Success; } /* To safely a dtd */ while (waitingSafelyAccess) { /* set the ATDTW flag to USBHS_USBCMD_REG. */ ehciState->registerBase->USBCMD |= USBHS_USBCMD_ATDTW_MASK; /* Read EPSR */ epStatus = ehciState->registerBase->EPSR; /* Wait the ATDTW bit set */ if (ehciState->registerBase->USBCMD & USBHS_USBCMD_ATDTW_MASK) { waitingSafelyAccess = 0U; } } /* Clear the ATDTW bit */ ehciState->registerBase->USBCMD &= ~USBHS_USBCMD_ATDTW_MASK; } /* If QH is empty or the endpoint is not primed, need to link current dtd head to the QH. */ /* When the endpoint is not primed if qhIdle is zero, it means the QH is empty. */ if ((qhIdle) || (!(epStatus & primeBit))) { ehciState->qh[index].nextDtdPointer = (uint32_t)dtdHard; ehciState->qh[index].dtdTokenUnion.dtdToken = 0U; ehciState->registerBase->EPPRIME = primeBit; while (!(ehciState->registerBase->EPSR & primeBit)) { if (ehciState->registerBase->EPCOMPLETE & primeBit) { break; } else { ehciState->registerBase->EPPRIME = primeBit; } } } USB_OSA_EXIT_CRITICAL(); return kStatus_USB_Success; } /*! * @brief Initialize the USB device EHCI instance. * * This function initializes the USB device EHCI module specified by the controllerId. * * @param controllerId The controller id of the USB IP. Please refer to enumeration type usb_controller_index_t. * @param handle Pointer of the device handle, used to identify the device object is belonged to. * @param ehciHandle It is out parameter, is used to return pointer of the device EHCI handle to the caller. * * @return A USB error code or kStatus_USB_Success. */ usb_status_t USB_DeviceEhciInit(uint8_t controllerId, usb_device_handle handle, usb_device_controller_handle *ehciHandle) { usb_device_ehci_state_struct_t *ehciState; uint32_t ehci_base[] = USBHS_BASE_ADDRS; #if (defined(USB_DEVICE_CHARGER_DETECT_ENABLE) && (USB_DEVICE_CHARGER_DETECT_ENABLE > 0U)) && \ (defined(FSL_FEATURE_SOC_USBHSDCD_COUNT) && (FSL_FEATURE_SOC_USBHSDCD_COUNT > 0U)) usb_device_dcd_state_struct_t *dcdHSState; uint32_t dcd_base[] = USBHSDCD_BASE_ADDRS; usb_device_callback_message_struct_t message; #endif if ((controllerId < kUSB_ControllerEhci0) || ((uint32_t)(controllerId - kUSB_ControllerEhci0) >= USB_DEVICE_CONFIG_EHCI) || ((uint32_t)(controllerId - kUSB_ControllerEhci0) >= (sizeof(ehci_base) / sizeof(uint32_t)))) { return kStatus_USB_ControllerNotFound; } ehciState = &g_UsbDeviceEhciSate[controllerId - kUSB_ControllerEhci0]; ehciState->dtd = s_UsbDeviceEhciDtd[controllerId - kUSB_ControllerEhci0]; ehciState->qh = (usb_device_ehci_qh_struct_t *)&qh_buffer[(controllerId - kUSB_ControllerEhci0) * 2048]; ehciState->controllerId = controllerId; ehciState->registerBase = (USBHS_Type *)ehci_base[controllerId - kUSB_ControllerEhci0]; #if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) ehciState->registerPhyBase = (USBPHY_Type *)USB_EhciPhyGetBase(controllerId); #if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U)) ehciState->registerNcBase = (USBNC_Type *)USB_EhciNCGetBase(controllerId); #endif #endif /* Get the HW's endpoint count */ ehciState->endpointCount = (uint8_t)((ehciState->registerBase->DCCPARAMS & USBHS_DCCPARAMS_DEN_MASK) >> USBHS_DCCPARAMS_DEN_SHIFT); if (ehciState->endpointCount < USB_DEVICE_CONFIG_ENDPOINTS) { return kStatus_USB_Error; } ehciState->deviceHandle = (usb_device_struct_t *)handle; /* Clear the controller mode field and set to device mode. */ ehciState->registerBase->USBMODE &= ~USBHS_USBMODE_CM_MASK; ehciState->registerBase->USBMODE |= USBHS_USBMODE_CM(0x02U); /* Set the EHCI to default status. */ USB_DeviceEhciSetDefaultState(ehciState); *ehciHandle = (usb_device_controller_handle)ehciState; #if (defined(USB_DEVICE_CHARGER_DETECT_ENABLE) && (USB_DEVICE_CHARGER_DETECT_ENABLE > 0U)) && \ (defined(FSL_FEATURE_SOC_USBHSDCD_COUNT) && (FSL_FEATURE_SOC_USBHSDCD_COUNT > 0U)) dcdHSState = &s_UsbDeviceDcdHSState[controllerId - kUSB_ControllerEhci0]; dcdHSState->controllerId = controllerId; dcdHSState->dcdRegisterBase = (USBHSDCD_Type *)dcd_base[controllerId - kUSB_ControllerEhci0]; dcdHSState->deviceHandle = (usb_device_struct_t *)handle; message.buffer = (uint8_t *)NULL; message.length = 0U; message.isSetup = 0U; if (ehciState->registerBase->OTGSC & USBHS_OTGSC_BSV_MASK) { /* Device is connected to a host. */ message.code = kUSB_DeviceNotifyAttach; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); } #endif return kStatus_USB_Success; } /*! * @brief De-initialize the USB device EHCI instance. * * This function de-initializes the USB device EHCI module. * * @param ehciHandle Pointer of the device EHCI handle. * * @return A USB error code or kStatus_USB_Success. */ usb_status_t USB_DeviceEhciDeinit(usb_device_controller_handle ehciHandle) { usb_device_ehci_state_struct_t *ehciState = (usb_device_ehci_state_struct_t *)ehciHandle; if (!ehciHandle) { return kStatus_USB_InvalidHandle; } /* Disable all interrupt. */ ehciState->registerBase->USBINTR = 0U; /* Stop the device functionality. */ ehciState->registerBase->USBCMD &= ~USBHS_USBCMD_RS_MASK; /* Reset the controller. */ ehciState->registerBase->USBCMD |= USBHS_USBCMD_RST_MASK; return kStatus_USB_Success; } /*! * @brief Send data through a specified endpoint. * * This function sends data through a specified endpoint. * * @param ehciHandle Pointer of the device EHCI handle. * @param endpointAddress Endpoint index. * @param buffer The memory address to hold the data need to be sent. * @param length The data length need to be sent. * * @return A USB error code or kStatus_USB_Success. * * @note The return value just means if the sending request is successful or not; the transfer done is notified by the * corresponding callback function. * Currently, only one transfer request can be supported for one specific endpoint. * If there is a specific requirement to support multiple transfer requests for one specific endpoint, the application * should implement a queue in the application level. * The subsequent transfer could begin only when the previous transfer is done (get notification through the endpoint * callback). */ usb_status_t USB_DeviceEhciSend(usb_device_controller_handle ehciHandle, uint8_t endpointAddress, uint8_t *buffer, uint32_t length) { /* Add dtd to the QH */ return USB_DeviceEhciTransfer( (usb_device_ehci_state_struct_t *)ehciHandle, (endpointAddress & USB_ENDPOINT_NUMBER_MASK) | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT), buffer, length); } /*! * @brief Receive data through a specified endpoint. * * This function Receives data through a specified endpoint. * * @param ehciHandle Pointer of the device EHCI handle. * @param endpointAddress Endpoint index. * @param buffer The memory address to save the received data. * @param length The data length want to be received. * * @return A USB error code or kStatus_USB_Success. * * @note The return value just means if the receiving request is successful or not; the transfer done is notified by the * corresponding callback function. * Currently, only one transfer request can be supported for one specific endpoint. * If there is a specific requirement to support multiple transfer requests for one specific endpoint, the application * should implement a queue in the application level. * The subsequent transfer could begin only when the previous transfer is done (get notification through the endpoint * callback). */ usb_status_t USB_DeviceEhciRecv(usb_device_controller_handle ehciHandle, uint8_t endpointAddress, uint8_t *buffer, uint32_t length) { /* Add dtd to the QH */ return USB_DeviceEhciTransfer( (usb_device_ehci_state_struct_t *)ehciHandle, (endpointAddress & USB_ENDPOINT_NUMBER_MASK) | (USB_OUT << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT), buffer, length); } /*! * @brief Cancel the pending transfer in a specified endpoint. * * The function is used to cancel the pending transfer in a specified endpoint. * * @param ehciHandle Pointer of the device EHCI handle. * @param ep Endpoint address, bit7 is the direction of endpoint, 1U - IN, 0U - OUT. * * @return A USB error code or kStatus_USB_Success. */ usb_status_t USB_DeviceEhciCancel(usb_device_controller_handle ehciHandle, uint8_t ep) { usb_device_ehci_state_struct_t *ehciState = (usb_device_ehci_state_struct_t *)ehciHandle; usb_device_callback_message_struct_t message; usb_device_ehci_dtd_struct_t *currentDtd; uint32_t primeBit = 1U << ((ep & USB_ENDPOINT_NUMBER_MASK) + ((ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> 0x03U)); uint8_t index = ((ep & USB_ENDPOINT_NUMBER_MASK) << 1U) | ((ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> 0x07U); USB_OSA_SR_ALLOC(); if (!ehciHandle) { return kStatus_USB_InvalidHandle; } USB_OSA_ENTER_CRITICAL(); message.buffer = NULL; message.length = USB_UNINITIALIZED_VAL_32; /* Get the first dtd */ currentDtd = (usb_device_ehci_dtd_struct_t *)((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK); while (currentDtd) { currentDtd->reservedUnion.originalBufferInfo.dtdInvalid = 1U; currentDtd = (usb_device_ehci_dtd_struct_t *)(currentDtd->nextDtdPointer & USB_DEVICE_ECHI_DTD_POINTER_MASK); } /* Get the first dtd */ currentDtd = (usb_device_ehci_dtd_struct_t *)((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK); while (currentDtd) { if (!currentDtd->reservedUnion.originalBufferInfo.dtdInvalid) { break; } else { if (currentDtd->dtdTokenUnion.dtdTokenBitmap.status & USB_DEVICE_ECHI_DTD_STATUS_ACTIVE) { /* Flush the endpoint to stop a transfer. */ do { /* Set the corresponding bit(s) in the EPFLUSH register */ ehciState->registerBase->EPFLUSH |= primeBit; /* Wait until all bits in the EPFLUSH register are cleared. */ while (ehciState->registerBase->EPFLUSH & primeBit) { } /* * Read the EPSR register to ensure that for all endpoints * commanded to be flushed, that the corresponding bits * are now cleared. */ } while (ehciState->registerBase->EPSR & primeBit); } /* Save the original buffer address. */ if (NULL == message.buffer) { message.buffer = (uint8_t *)((currentDtd->bufferPointerPage[0] & USB_DEVICE_ECHI_DTD_PAGE_MASK) | (currentDtd->reservedUnion.originalBufferInfo.originalBufferOffest)); } /* Remove the dtd from the dtd in-used queue. */ if (ehciState->dtdHard[index] == ehciState->dtdTail[index]) { ehciState->dtdHard[index] = NULL; ehciState->dtdTail[index] = NULL; } else { ehciState->dtdHard[index] = (usb_device_ehci_dtd_struct_t *)ehciState->dtdHard[index]->nextDtdPointer; } /* When the ioc is set or the dtd queue is empty, the up layer will be notified. */ if ((currentDtd->dtdTokenUnion.dtdTokenBitmap.ioc) || (0 == ((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK))) { message.code = ep; message.isSetup = 0U; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); message.buffer = NULL; } /* Clear the token field. */ currentDtd->dtdTokenUnion.dtdToken = 0U; /* Save the dtd to the free queue. */ currentDtd->nextDtdPointer = (uint32_t)ehciState->dtdFree; ehciState->dtdFree = currentDtd; ehciState->dtdCount++; } /* Get the next dtd. */ currentDtd = (usb_device_ehci_dtd_struct_t *)((uint32_t)ehciState->dtdHard[index] & USB_DEVICE_ECHI_DTD_POINTER_MASK); } if (!currentDtd) { /* Set the QH to empty. */ ehciState->qh[index].nextDtdPointer = USB_DEVICE_ECHI_DTD_TERMINATE_MASK; ehciState->qh[index].dtdTokenUnion.dtdToken = 0U; } USB_OSA_EXIT_CRITICAL(); return kStatus_USB_Success; } /*! * @brief Control the status of the selected item. * * The function is used to control the status of the selected item. * * @param ehciHandle Pointer of the device EHCI handle. * @param type The selected item. Please refer to enumeration type usb_device_control_type_t. * @param param The param type is determined by the selected item. * * @return A USB error code or kStatus_USB_Success. */ usb_status_t USB_DeviceEhciControl(usb_device_controller_handle ehciHandle, usb_device_control_type_t type, void *param) { usb_device_ehci_state_struct_t *ehciState = (usb_device_ehci_state_struct_t *)ehciHandle; usb_status_t error = kStatus_USB_Error; uint16_t *temp16; uint8_t *temp8; #if (defined(USB_DEVICE_CHARGER_DETECT_ENABLE) && (USB_DEVICE_CHARGER_DETECT_ENABLE > 0U)) && \ (defined(FSL_FEATURE_SOC_USBHSDCD_COUNT) && (FSL_FEATURE_SOC_USBHSDCD_COUNT > 0U)) usb_device_dcd_state_struct_t *dcdHSState; dcdHSState = &s_UsbDeviceDcdHSState[ehciState->controllerId - kUSB_ControllerEhci0]; /*The hard code should be replaced*/ usb_device_dcd_charging_time_t *deviceDcdTimingConfig = (usb_device_dcd_charging_time_t *)param; #endif #if ((defined(USB_DEVICE_CONFIG_REMOTE_WAKEUP)) && (USB_DEVICE_CONFIG_REMOTE_WAKEUP > 0U)) usb_device_struct_t *deviceHandle; uint64_t startTick; #endif if (!ehciHandle) { return kStatus_USB_InvalidHandle; } #if ((defined(USB_DEVICE_CONFIG_REMOTE_WAKEUP)) && (USB_DEVICE_CONFIG_REMOTE_WAKEUP > 0U)) deviceHandle = (usb_device_struct_t *)ehciState->deviceHandle; #endif switch (type) { case kUSB_DeviceControlRun: ehciState->registerBase->USBCMD |= USBHS_USBCMD_RS_MASK; error = kStatus_USB_Success; break; case kUSB_DeviceControlStop: ehciState->registerBase->USBCMD &= ~USBHS_USBCMD_RS_MASK; error = kStatus_USB_Success; break; case kUSB_DeviceControlEndpointInit: if (param) { error = USB_DeviceEhciEndpointInit(ehciState, (usb_device_endpoint_init_struct_t *)param); } break; case kUSB_DeviceControlEndpointDeinit: if (param) { temp8 = (uint8_t *)param; error = USB_DeviceEhciEndpointDeinit(ehciState, *temp8); } break; case kUSB_DeviceControlEndpointStall: if (param) { temp8 = (uint8_t *)param; error = USB_DeviceEhciEndpointStall(ehciState, *temp8); } break; case kUSB_DeviceControlEndpointUnstall: if (param) { temp8 = (uint8_t *)param; error = USB_DeviceEhciEndpointUnstall(ehciState, *temp8); } break; case kUSB_DeviceControlGetDeviceStatus: if (param) { temp16 = (uint16_t *)param; *temp16 = (USB_DEVICE_CONFIG_SELF_POWER << (USB_REQUEST_STANDARD_GET_STATUS_DEVICE_SELF_POWERED_SHIFT)) #if ((defined(USB_DEVICE_CONFIG_REMOTE_WAKEUP)) && (USB_DEVICE_CONFIG_REMOTE_WAKEUP > 0U)) | (deviceHandle->remotewakeup << (USB_REQUEST_STANDARD_GET_STATUS_DEVICE_REMOTE_WARKUP_SHIFT)) #endif ; error = kStatus_USB_Success; } break; case kUSB_DeviceControlGetEndpointStatus: if (param) { usb_device_endpoint_status_struct_t *endpointStatus = (usb_device_endpoint_status_struct_t *)param; uint8_t ep = (endpointStatus->endpointAddress) & USB_ENDPOINT_NUMBER_MASK; uint8_t direction = ((endpointStatus->endpointAddress) & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >> USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT; if (ep < USB_DEVICE_CONFIG_ENDPOINTS) { if (ep) { endpointStatus->endpointStatus = (ehciState->registerBase->EPCR[ep - 1U] & (direction ? USBHS_EPCR_TXS_MASK : USBHS_EPCR_RXS_MASK)) ? kUSB_DeviceEndpointStateStalled : kUSB_DeviceEndpointStateIdle; } else { endpointStatus->endpointStatus = (ehciState->registerBase->EPCR0 & (direction ? USBHS_EPCR_TXS_MASK : USBHS_EPCR_RXS_MASK)) ? kUSB_DeviceEndpointStateStalled : kUSB_DeviceEndpointStateIdle; } error = kStatus_USB_Success; } } break; case kUSB_DeviceControlSetDeviceAddress: if (param) { temp8 = (uint8_t *)param; ehciState->registerBase->DEVICEADDR = (((uint32_t)(*temp8)) << USBHS_DEVICEADDR_USBADR_SHIFT); error = kStatus_USB_Success; } break; case kUSB_DeviceControlGetSynchFrame: break; #if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) #if defined(USB_DEVICE_CONFIG_REMOTE_WAKEUP) && (USB_DEVICE_CONFIG_REMOTE_WAKEUP > 0U) case kUSB_DeviceControlResume: #if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U)) ehciState->registerNcBase->USB_OTGn_CTRL &= ~USBNC_USB_OTGn_CTRL_WIE_MASK; #else ehciState->registerBase->USBGENCTRL &= ~USBHS_USBGENCTRL_WU_IE_MASK; #endif ehciState->registerBase->PORTSC1 &= ~USBHS_PORTSC1_PHCD_MASK; ehciState->registerBase->PORTSC1 |= USBHS_PORTSC1_FPR_MASK; startTick = deviceHandle->hwTick; while ((deviceHandle->hwTick - startTick) < 10) { __ASM("nop"); } ehciState->registerBase->PORTSC1 &= ~USBHS_PORTSC1_FPR_MASK; error = kStatus_USB_Success; break; #endif /* USB_DEVICE_CONFIG_REMOTE_WAKEUP */ case kUSB_DeviceControlSuspend: ehciState->registerBase->OTGSC |= 0x007F0000U; ehciState->registerPhyBase->PWD = 0xFFFFFFFF; /* ehciState->registerBase->OTGCTL |= ((1U<<10) | (1U<<17) | (1U<<16)); */ while (ehciState->registerPhyBase->CTRL & (USBPHY_CTRL_UTMI_SUSPENDM_MASK)) { __ASM("nop"); } /* ehciState->registerPhyBase->CTRL |= ((1U << 21) | (1U << 22) | (1U << 23)); */ ehciState->registerBase->USBSTS |= USBHS_USBSTS_SRI_MASK; ehciState->registerBase->PORTSC1 |= USBHS_PORTSC1_PHCD_MASK; #if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U)) ehciState->registerPhyBase->CTRL |= USBPHY_CTRL_ENVBUSCHG_WKUP_MASK | USBPHY_CTRL_ENIDCHG_WKUP_MASK | USBPHY_CTRL_ENDPDMCHG_WKUP_MASK | USBPHY_CTRL_ENIRQRESUMEDETECT_MASK; ehciState->registerNcBase->USB_OTGn_CTRL |= USBNC_USB_OTGn_CTRL_WKUP_ID_EN_MASK | USBNC_USB_OTGn_CTRL_WKUP_VBUS_EN_MASK | USBNC_USB_OTGn_CTRL_WKUP_DPDM_EN_MASK; ehciState->registerNcBase->USB_OTGn_CTRL |= USBNC_USB_OTGn_CTRL_WIE_MASK; #else ehciState->registerBase->USBGENCTRL = USBHS_USBGENCTRL_WU_IE_MASK; #endif ehciState->registerPhyBase->CTRL |= USBPHY_CTRL_CLKGATE_MASK; ehciState->isSuspending = 1U; error = kStatus_USB_Success; break; #endif /* USB_DEVICE_CONFIG_LOW_POWER_MODE */ case kUSB_DeviceControlSetDefaultStatus: for (uint8_t count = 0U; count < USB_DEVICE_CONFIG_ENDPOINTS; count++) { USB_DeviceEhciEndpointDeinit(ehciState, (count | (USB_IN << 0x07U))); USB_DeviceEhciEndpointDeinit(ehciState, (count | (USB_OUT << 0x07U))); } USB_DeviceEhciSetDefaultState(ehciState); error = kStatus_USB_Success; break; case kUSB_DeviceControlGetSpeed: if (param) { temp8 = (uint8_t *)param; *temp8 = ehciState->speed; error = kStatus_USB_Success; } break; case kUSB_DeviceControlGetOtgStatus: break; case kUSB_DeviceControlSetOtgStatus: break; #if (defined(USB_DEVICE_CONFIG_USB20_TEST_MODE) && (USB_DEVICE_CONFIG_USB20_TEST_MODE > 0U)) case kUSB_DeviceControlSetTestMode: if (param) { temp8 = (uint8_t *)param; ehciState->registerBase->PORTSC1 |= ((uint32_t)(*temp8) << 16U); error = kStatus_USB_Success; } break; #endif #if (defined(USB_DEVICE_CHARGER_DETECT_ENABLE) && (USB_DEVICE_CHARGER_DETECT_ENABLE > 0U)) && \ (defined(FSL_FEATURE_SOC_USBHSDCD_COUNT) && (FSL_FEATURE_SOC_USBHSDCD_COUNT > 0U)) case kUSB_DeviceControlDcdInitModule: dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_SR_MASK; dcdHSState->dcdRegisterBase->TIMER0 = USBDCD_TIMER0_TSEQ_INIT(deviceDcdTimingConfig->dcdSeqInitTime); dcdHSState->dcdRegisterBase->TIMER1 = USBDCD_TIMER1_TDCD_DBNC(deviceDcdTimingConfig->dcdDbncTime); dcdHSState->dcdRegisterBase->TIMER1 |= USBDCD_TIMER1_TVDPSRC_ON(deviceDcdTimingConfig->dcdDpSrcOnTime); dcdHSState->dcdRegisterBase->TIMER2_BC12 = USBDCD_TIMER2_BC12_TWAIT_AFTER_PRD(deviceDcdTimingConfig->dcdTimeWaitAfterPrD); dcdHSState->dcdRegisterBase->TIMER2_BC12 |= USBDCD_TIMER2_BC12_TVDMSRC_ON(deviceDcdTimingConfig->dcdTimeDMSrcOn); dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_IE_MASK; dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_BC12_MASK; dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_START_MASK; break; case kUSB_DeviceControlDcdDeinitModule: dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_SR_MASK; break; #endif default: break; } return error; } /*! * @brief Handle the EHCI device interrupt. * * The function is used to handle the EHCI device interrupt. * * @param deviceHandle The device handle got from USB_DeviceInit. * */ void USB_DeviceEhciIsrFunction(void *deviceHandle) { usb_device_struct_t *handle = (usb_device_struct_t *)deviceHandle; usb_device_ehci_state_struct_t *ehciState; uint32_t status; if (NULL == deviceHandle) { return; } ehciState = (usb_device_ehci_state_struct_t *)(handle->controllerHandle); #if ((defined(USB_DEVICE_CONFIG_LOW_POWER_MODE)) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) #if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U)) if (ehciState->registerNcBase->USB_OTGn_CTRL & USBNC_USB_OTGn_CTRL_WIE_MASK) { if (ehciState->registerNcBase->USB_OTGn_CTRL & USBNC_USB_OTGn_CTRL_WIR_MASK) { ehciState->registerBase->PORTSC1 &= ~USBHS_PORTSC1_PHCD_MASK; ehciState->registerNcBase->USB_OTGn_CTRL &= ~USBNC_USB_OTGn_CTRL_WIE_MASK; } } else { } #else if (ehciState->registerBase->USBGENCTRL & USBHS_USBGENCTRL_WU_IE_MASK) { if (ehciState->registerBase->USBGENCTRL & (1U << 8)) { ehciState->registerBase->USBGENCTRL &= ~(1U << 8); ehciState->registerBase->USBGENCTRL |= USBHS_USBGENCTRL_WU_INT_CLR_MASK; ehciState->registerBase->PORTSC1 &= ~USBHS_PORTSC1_PHCD_MASK; ehciState->registerBase->USBGENCTRL &= ~USBHS_USBGENCTRL_WU_IE_MASK; } } else { } #endif #endif #if defined(USB_DEVICE_CONFIG_DETACH_ENABLE) && (USB_DEVICE_CONFIG_DETACH_ENABLE > 0U) if (ehciState->registerBase->OTGSC & USBHS_OTGSC_BSVIS_MASK) { usb_device_callback_message_struct_t message; ehciState->registerBase->OTGSC |= USBHS_OTGSC_BSVIS_MASK; message.buffer = (uint8_t *)NULL; message.length = 0U; message.isSetup = 0U; if (ehciState->registerBase->OTGSC & USBHS_OTGSC_BSV_MASK) { /* Device is connected to a host. */ message.code = kUSB_DeviceNotifyAttach; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); } else { /* Device is disconnected from a host. */ message.code = kUSB_DeviceNotifyDetach; USB_DeviceNotificationTrigger(ehciState->deviceHandle, &message); } } #endif /* USB_DEVICE_CONFIG_DETACH_ENABLE */ status = ehciState->registerBase->USBSTS; status &= ehciState->registerBase->USBINTR; ehciState->registerBase->USBSTS = status; #if defined(USB_DEVICE_CONFIG_ERROR_HANDLING) && (USB_DEVICE_CONFIG_ERROR_HANDLING > 0U) if (status & USBHS_USBSTS_UEI_MASK) { /* Error interrupt */ USB_DeviceEhciInterruptError(ehciState); } #endif /* USB_DEVICE_CONFIG_ERROR_HANDLING */ if (status & USBHS_USBSTS_URI_MASK) { /* Reset interrupt */ USB_DeviceEhciInterruptReset(ehciState); } if (status & USBHS_USBSTS_UI_MASK) { /* Token done interrupt */ USB_DeviceEhciInterruptTokenDone(ehciState); } if (status & USBHS_USBSTS_PCI_MASK) { /* Port status change interrupt */ USB_DeviceEhciInterruptPortChange(ehciState); } #if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U)) if (status & USBHS_USBSTS_SLI_MASK) { /* Suspend interrupt */ USB_DeviceEhciInterruptSuspend(ehciState); } #endif /* USB_DEVICE_CONFIG_LOW_POWER_MODE */ if (status & USBHS_USBSTS_SRI_MASK) { /* Sof interrupt */ USB_DeviceEhciInterruptSof(ehciState); } } #if (defined(USB_DEVICE_CHARGER_DETECT_ENABLE) && (USB_DEVICE_CHARGER_DETECT_ENABLE > 0U)) && \ (defined(FSL_FEATURE_SOC_USBHSDCD_COUNT) && (FSL_FEATURE_SOC_USBHSDCD_COUNT > 0U)) void USB_DeviceDcdHSIsrFunction(void *deviceHandle) { usb_device_struct_t *handle = (usb_device_struct_t *)deviceHandle; usb_device_ehci_state_struct_t *ehciState; usb_device_dcd_state_struct_t *dcdHSState; uint32_t status; uint32_t chargerType; usb_device_callback_message_struct_t message; if (NULL == deviceHandle) { return; } ehciState = (usb_device_ehci_state_struct_t *)(handle->controllerHandle); dcdHSState = &s_UsbDeviceDcdHSState[ehciState->controllerId - kUSB_ControllerEhci0]; status = dcdHSState->dcdRegisterBase->STATUS; dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_IACK_MASK; message.buffer = (uint8_t *)NULL; message.length = 0U; message.isSetup = 0U; if (status & USBDCD_STATUS_ERR_MASK) { if (status & USBDCD_STATUS_TO_MASK) { dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_SR_MASK; message.code = kUSB_DeviceNotifyDcdTimeOut; USB_DeviceNotificationTrigger(dcdHSState->deviceHandle, &message); } else { dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_SR_MASK; message.code = kUSB_DeviceNotifyDcdUnknownPortType; USB_DeviceNotificationTrigger(dcdHSState->deviceHandle, &message); } } else { switch (status & USBDCD_STATUS_SEQ_STAT_MASK) { case USBDCD_STATUS_SEQ_STAT(kUSB_DcdChargingPortDetectionCompleted): chargerType = status & USBDCD_STATUS_SEQ_RES_MASK; if (chargerType == USBDCD_STATUS_SEQ_RES(kUSB_DcdDetectionStandardHost)) { dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_SR_MASK; message.code = kUSB_DeviceNotifySDPDetected; USB_DeviceNotificationTrigger(dcdHSState->deviceHandle, &message); } else if (chargerType == USBDCD_STATUS_SEQ_RES(kUSB_DcdDetectionChargingPort)) { message.code = kUSB_DeviceNotifyChargingPortDetected; USB_DeviceNotificationTrigger(dcdHSState->deviceHandle, &message); } break; case USBDCD_STATUS_SEQ_STAT(kUSB_DcdChargerTypeDetectionCompleted): chargerType = status & USBDCD_STATUS_SEQ_RES_MASK; if (chargerType == USBDCD_STATUS_SEQ_RES(kUSB_DcdDetectionChargingPort)) { dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_SR_MASK; message.code = kUSB_DeviceNotifyChargingHostDetected; USB_DeviceNotificationTrigger(dcdHSState->deviceHandle, &message); } else if (chargerType == USBDCD_STATUS_SEQ_RES(kUSB_DcdDetectionDedicatedCharger)) { dcdHSState->dcdRegisterBase->CONTROL |= USBDCD_CONTROL_SR_MASK; message.code = kUSB_DeviceNotifyDedicatedChargerDetected; USB_DeviceNotificationTrigger(dcdHSState->deviceHandle, &message); } break; default: break; } } } #endif #endif /* USB_DEVICE_CONFIG_EHCI */