libs/rt-thread-official
libs
/
rt-thread-official
mirror of https://github.com/RT-Thread/rt-thread.git
4
0
Fork 0
Code Issues Releases Wiki Activity
rt-thread-official/bsp/imxrt1052-evk/drivers/usb/device/usb_device_ehci.c

1808 lines
71 KiB
C
Raw Normal View History

[Bsp][i.mxrt]Add USB Drivers support HS
2018-03-23 09:36:54 +08:00
/*
* 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 <usb/include/usb_device_config.h>
#include "fsl_device_registers.h"
#include <usb/include/usb.h>
#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 */