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rt-thread-official/bsp/imxrt1052-evk/drivers/usb/host/usb_host_ehci.h

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/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016 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.
*/
#ifndef _USB_HOST_CONTROLLER_EHCI_H_
#define _USB_HOST_CONTROLLER_EHCI_H_
/*******************************************************************************
* KHCI private public structures, enumerations, macros, functions
******************************************************************************/
/*******************************************************************************
* Definitions
******************************************************************************/
/* EHCI host macros */
#define EHCI_HOST_T_INVALID_VALUE (1U)
#define EHCI_HOST_POINTER_TYPE_ITD (0x00U)
#define EHCI_HOST_POINTER_TYPE_QH (0x00000002U)
#define EHCI_HOST_POINTER_TYPE_SITD (0x00000004U)
#define EHCI_HOST_POINTER_TYPE_FSTN (0x00000006U)
#define EHCI_HOST_POINTER_TYPE_MASK (0x00000006U)
#define EHCI_HOST_POINTER_ADDRESS_MASK (0xFFFFFFE0U)
#define EHCI_HOST_PID_OUT (0U)
#define EHCI_HOST_PID_IN (1U)
#define EHCI_HOST_PID_SETUP (2U)
#define EHCI_HOST_QH_RL_SHIFT (28U)
#define EHCI_HOST_QH_RL_MASK (0xF0000000U)
#define EHCI_HOST_QH_C_SHIFT (27U)
#define EHCI_HOST_QH_MAX_PACKET_LENGTH_SHIFT (16U)
#define EHCI_HOST_QH_MAX_PACKET_LENGTH_MASK (0x07FF0000U)
#define EHCI_HOST_QH_H_SHIFT (15U)
#define EHCI_HOST_QH_DTC_SHIFT (14U)
#define EHCI_HOST_QH_EPS_SHIFT (12U)
#define EHCI_HOST_QH_ENDPT_SHIFT (8U)
#define EHCI_HOST_QH_I_SHIFT (7U)
#define EHCI_HOST_QH_DEVICE_ADDRESS_SHIFT (0U)
#define EHCI_HOST_QH_MULT_SHIFT (30U)
#define EHCI_HOST_QH_PORT_NUMBER_SHIFT (23U)
#define EHCI_HOST_QH_HUB_ADDR_SHIFT (16U)
#define EHCI_HOST_QH_UFRAME_CMASK_SHIFT (8U)
#define EHCI_HOST_QH_UFRAME_SMASK_SHIFT (0U)
#define EHCI_HOST_QH_STATUS_ERROR_MASK (0x0000007EU)
#define EHCI_HOST_QH_STATUS_NOSTALL_ERROR_MASK (0x0000003EU)
#define EHCI_HOST_QTD_DT_SHIFT (31U)
#define EHCI_HOST_QTD_DT_MASK (0x80000000U)
#define EHCI_HOST_QTD_TOTAL_BYTES_SHIFT (16U)
#define EHCI_HOST_QTD_TOTAL_BYTES_MASK (0x7FFF0000U)
#define EHCI_HOST_QTD_IOC_MASK (0x00008000U)
#define EHCI_HOST_QTD_C_PAGE_SHIFT (12U)
#define EHCI_HOST_QTD_CERR_SHIFT (10U)
#define EHCI_HOST_QTD_CERR_MAX_VALUE (0x00000003U)
#define EHCI_HOST_QTD_PID_CODE_SHIFT (8U)
#define EHCI_HOST_QTD_STATUS_SHIFT (0U)
#define EHCI_HOST_QTD_CURRENT_OFFSET_MASK (0x00000FFFU)
#define EHCI_HOST_QTD_BUFFER_POINTER_SHIFT (12U)
#define EHCI_HOST_QTD_STATUS_ACTIVE_MASK (0x00000080U)
#define EHCI_HOST_QTD_STATUS_MASK (0x000000ffU)
#define EHCI_HOST_QTD_STATUS_ERROR_MASK (0x0000007EU)
#define EHCI_HOST_QTD_STATUS_STALL_ERROR_MASK (0x00000040U)
#define EHCI_HOST_ITD_STATUS_ACTIVE_MASK (0x80000000U)
#define EHCI_HOST_ITD_TRANSACTION_LEN_SHIFT (16U)
#define EHCI_HOST_ITD_TRANSACTION_LEN_MASK (0x0FFF0000U)
#define EHCI_HOST_ITD_IOC_SHIFT (15U)
#define EHCI_HOST_ITD_PG_SHIFT (12U)
#define EHCI_HOST_ITD_TRANSACTION_OFFSET_SHIFT (0U)
#define EHCI_HOST_ITD_TRANSACTION_OFFSET_MASK (0x00000FFFU)
#define EHCI_HOST_ITD_BUFFER_POINTER_SHIFT (12U)
#define EHCI_HOST_ITD_ENDPT_SHIFT (8U)
#define EHCI_HOST_ITD_DEVICE_ADDRESS_SHIFT (0U)
#define EHCI_HOST_ITD_MAX_PACKET_SIZE_SHIFT (0U)
#define EHCI_HOST_ITD_MULT_SHIFT (0U)
#define EHCI_HOST_ITD_DIRECTION_SHIFT (11U)
#define EHCI_HOST_SITD_STATUS_ACTIVE_MASK (0x00000080U)
#define EHCI_HOST_SITD_DIRECTION_SHIFT (31U)
#define EHCI_HOST_SITD_PORT_NUMBER_SHIFT (24U)
#define EHCI_HOST_SITD_HUB_ADDR_SHIFT (16U)
#define EHCI_HOST_SITD_ENDPT_SHIFT (8U)
#define EHCI_HOST_SITD_DEVICE_ADDRESS_SHIFT (0U)
#define EHCI_HOST_SITD_CMASK_SHIFT (8U)
#define EHCI_HOST_SITD_SMASK_SHIFT (0U)
#define EHCI_HOST_SITD_TOTAL_BYTES_SHIFT (16U)
#define EHCI_HOST_SITD_TOTAL_BYTES_MASK (0x03FF0000U)
#define EHCI_HOST_SITD_TP_SHIFT (3U)
#define EHCI_HOST_SITD_TCOUNT_SHIFT (0U)
#define EHCI_HOST_SITD_IOC_SHIFT (31U)
/* register related MACROs */
#define EHCI_PORTSC1_W1_BITS (0x0000002AU)
#define EHCI_MAX_UFRAME_VALUE (0x00003FFFU)
/* task event */
#define EHCI_TASK_EVENT_DEVICE_ATTACH (0x01U)
#define EHCI_TASK_EVENT_TRANSACTION_DONE (0x02U)
#define EHCI_TASK_EVENT_DEVICE_DETACH (0x04U)
#define EHCI_TASK_EVENT_PORT_CHANGE (0x08U)
#define EHCI_TASK_EVENT_TIMER0 (0x10U)
#define EHCI_TASK_EVENT_TIMER1 (0x20U)
#define USB_HostEhciLock() USB_OsaMutexLock(ehciInstance->ehciMutex)
#define USB_HostEhciUnlock() USB_OsaMutexUnlock(ehciInstance->ehciMutex)
/*******************************************************************************
* KHCI driver public structures, enumerations, macros, functions
******************************************************************************/
/*!
* @addtogroup usb_host_controller_ehci
* @{
*/
/*! @brief The maximum supported ISO pipe number */
#define USB_HOST_EHCI_ISO_NUMBER USB_HOST_CONFIG_EHCI_MAX_ITD
/*! @brief Check the port connect state delay if the state is unstable */
#define USB_HOST_EHCI_PORT_CONNECT_DEBOUNCE_DELAY (101U)
/*! @brief Delay for port reset */
#define USB_HOST_EHCI_PORT_RESET_DELAY (11U)
/*! @brief The SITD inserts a frame interval for putting more SITD continuously.
* There is an interval when an application sends two FS/LS ISO transfers.
* When the interval is less than the macro, the two transfers are continuous in the frame list. Otherwise, the two
* transfers
* are not continuous.
* For example:
* - Use case 1: when inserting the SITD first, the inserted frame = the current frame value + this MACRO value.
* - Use case 2: when inserting SITD is not first, choose between the last inserted frame value and the
* current frame value according to the following criteria:
* If the interval is less than the MACRO value, the new SITD is continuous with the last SITD.
* If not, the new SITD inserting frame = the current frame value + this MACRO value.
*/
#define USB_HOST_EHCI_ISO_BOUNCE_FRAME_NUMBER (2U)
/*! @brief The ITD inserts a micro-frame interval for putting more ITD continuously.
* There is an interval when an application sends two HS ISO transfers.
* When the interval is less than the macro, the two transfers are continuous in the frame list. Otherwise, the two
* transfers
* are not continuous.
* For example:
* - Use case 1: when inserting ITD first, the inserted micro-frame = the current micro-frame value + this MACRO value.
* - Use case 2: when inserting ITD is not first, choose between the last inserted micro-frame value and the
* current micro-frame value according to the following criteria:
* If the interval is less than this MACRO value, the new ITD is continuous with the last ITD.
* If not, the new ITD inserting micro-frame = the current micro-frame value + this MACRO value.
*/
#define USB_HOST_EHCI_ISO_BOUNCE_UFRAME_NUMBER (16U)
/*! @brief Control or bulk transaction timeout value (unit: 100 ms) */
#define USB_HOST_EHCI_CONTROL_BULK_TIME_OUT_VALUE (20U)
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
typedef enum _bus_ehci_suspend_request_state
{
kBus_EhciIdle = 0U,
kBus_EhciStartSuspend,
kBus_EhciSuspended,
kBus_EhciStartResume,
} bus_ehci_suspend_request_state_t;
#endif
/*! @brief EHCI state for device attachment/detachment. */
typedef enum _host_ehci_device_state_
{
kEHCIDevicePhyAttached = 1, /*!< Device is physically attached */
kEHCIDeviceAttached, /*!< Device is attached and initialized */
kEHCIDeviceDetached, /*!< Device is detached and de-initialized */
} host_ehci_device_state_t;
/*! @brief EHCI pipe structure */
typedef struct _usb_host_ehci_pipe
{
usb_host_pipe_t pipeCommon; /*!< Common pipe information */
void *ehciQh; /*!< Control/bulk/interrupt: QH; ISO: usb_host_ehci_iso_t*/
/* bandwidth */
uint16_t uframeInterval; /*!< Micro-frame interval value */
uint16_t startFrame; /*!<
Bandwidth start frame: its value is from 0 to frame_list.
*/
uint16_t dataTime; /*!<
Bandwidth time value:
- When the host works as HS: it's the data bandwidth value.
- When the host works as FS/LS:
- For FS/LS device, it's the data bandwidth value when transferring the data by FS/LS.
- For HS device, it's the data bandwidth value when transferring the data by HS.
*/
uint16_t startSplitTime; /*!<
Start splitting the bandwidth time value:
- When the host works as HS, it is the start split bandwidth value.
*/
uint16_t completeSplitTime; /*!<
Complete splitting the bandwidth time value:
- When host works as HS, it is the complete split bandwidth value.
*/
uint8_t startUframe; /*!<
Bandwidth start micro-frame: its value is from 0 to 7.
*/
uint8_t uframeSmask; /*!<
Start micro-frame.
- When host works as an HS:
- For FS/LS device, it's the interrupt or ISO transfer start-split mask.
- For HS device, it's the interrupt transfer start micro-frame mask.
- When host works as FS/LS, it's the interrupt and ISO start micro-frame mask
*/
uint8_t uframeCmask; /*!<
Complete micro-frame
- When host works as HS:
- For FS/LS device, it's the interrupt or ISO transfer complete-split mask.
*/
} usb_host_ehci_pipe_t;
/*! @brief EHCI QH structure. See the USB EHCI specification */
typedef struct _usb_host_ehci_qh
{
uint32_t horizontalLinkPointer; /*!< QH specification filed, queue head a horizontal link pointer */
uint32_t
staticEndpointStates[2]; /*!< QH specification filed, static endpoint state and configuration information */
uint32_t currentQtdPointer; /*!< QH specification filed, current qTD pointer */
uint32_t nextQtdPointer; /*!< QH specification filed, next qTD pointer */
uint32_t alternateNextQtdPointer; /*!< QH specification filed, alternate next qTD pointer */
uint32_t
transferOverlayResults[6]; /*!< QH specification filed, transfer overlay configuration and transfer results */
/* reserved space */
usb_host_ehci_pipe_t *ehciPipePointer; /*!< EHCI pipe pointer */
usb_host_transfer_t *ehciTransferHead; /*!< Transfer list head on this QH */
usb_host_transfer_t *ehciTransferTail; /*!< Transfer list tail on this QH */
uint16_t timeOutValue; /*!< Its maximum value is USB_HOST_EHCI_CONTROL_BULK_TIME_OUT_VALUE. When the value is
zero, the transfer times out. */
uint16_t timeOutLabel; /*!< It's used to judge the transfer timeout. The EHCI driver maintain the value */
} usb_host_ehci_qh_t;
/*! @brief EHCI QTD structure. See the USB EHCI specification. */
typedef struct _usb_host_ehci_qtd
{
uint32_t nextQtdPointer; /*!< QTD specification filed, the next QTD pointer */
uint32_t alternateNextQtdPointer; /*!< QTD specification filed, alternate next QTD pointer */
uint32_t transferResults[2]; /*!< QTD specification filed, transfer results fields */
uint32_t bufferPointers[4]; /*!< QTD specification filed, transfer buffer fields */
} usb_host_ehci_qtd_t;
/*! @brief EHCI ITD structure. See the USB EHCI specification. */
typedef struct _usb_host_ehci_itd
{
uint32_t nextLinkPointer; /*!< ITD specification filed, the next linker pointer */
uint32_t transactions[8]; /*!< ITD specification filed, transactions information */
uint32_t bufferPointers[7]; /*!< ITD specification filed, transfer buffer fields */
/* add space */
struct _usb_host_ehci_itd *nextItdPointer; /*!< Next ITD pointer */
uint32_t frameEntryIndex; /*!< The ITD inserted frame value */
uint32_t reserved[6]; /*!< Reserved fields for 32 bytes align */
} usb_host_ehci_itd_t;
/*! @brief EHCI SITD structure. See the USB EHCI specification. */
typedef struct _usb_host_ehci_sitd
{
uint32_t nextLinkPointer; /*!< SITD specification filed, the next linker pointer */
uint32_t endpointStates[2]; /*!< SITD specification filed, endpoint configuration information */
uint32_t transferResults[3]; /*!< SITD specification filed, transfer result fields */
uint32_t backPointer; /*!< SITD specification filed, back pointer */
/* reserved space */
uint16_t frameEntryIndex; /*!< The SITD inserted frame value */
uint8_t nextSitdIndex; /*!< The next SITD index; Get the next SITD pointer through adding base address with the
index. 0xFF means invalid. */
uint8_t reserved; /*!< Reserved fields for 32 bytes align */
} usb_host_ehci_sitd_t;
/*! @brief EHCI ISO structure; An ISO pipe has an instance of this structure to keep the ISO pipe-specific information.
*/
typedef struct _usb_host_ehci_iso
{
struct _usb_host_ehci_iso *next; /*!< Next instance pointer */
usb_host_pipe_t *ehciPipePointer; /*!< This ISO's EHCI pipe pointer */
usb_host_transfer_t *ehciTransferHead; /*!< Transfer list head on this ISO pipe */
usb_host_transfer_t *ehciTransferTail; /*!< Transfer list head on this ISO pipe */
uint16_t lastLinkFrame; /*!< It means that the inserted frame for ISO ITD/SITD. 0xFFFF is invalid. For ITD, it is a
micro-frame value. For SITD, it is a frame value */
} usb_host_ehci_iso_t;
/*! @brief EHCI instance structure */
typedef struct _usb_host_ehci_instance
{
usb_host_handle hostHandle; /*!< Related host handle*/
uint32_t *ehciUnitBase; /*!< Keep the QH/QTD/ITD/SITD buffer pointer for release*/
uint8_t *ehciFrameList; /*!< The frame list of the current ehci instance*/
usb_host_ehci_qh_t *ehciQhList; /*!< Idle QH list pointer */
usb_host_ehci_qtd_t *ehciQtdHead; /*!< Idle QTD list pointer head */
usb_host_ehci_qtd_t *ehciQtdTail; /*!< Idle QTD list pointer tail (recently used qTD will be used)*/
usb_host_ehci_itd_t *ehciItdList; /*!< Idle ITD list pointer*/
usb_host_ehci_sitd_t *ehciSitdIndexBase; /*!< SITD buffer's start pointer*/
usb_host_ehci_sitd_t *ehciSitdList; /*!< Idle SITD list pointer*/
usb_host_ehci_iso_t *ehciIsoList; /*!< Idle ISO list pointer*/
USBHS_Type *ehciIpBase; /*!< EHCI IP base address*/
usb_host_ehci_qh_t *shedFirstQh; /*!< First async QH*/
usb_host_ehci_pipe_t *ehciPipeIndexBase; /*!< Pipe buffer's start pointer*/
usb_host_ehci_pipe_t *ehciPipeList; /*!< Idle pipe list pointer*/
usb_host_ehci_pipe_t *ehciRunningPipeList; /*!< Running pipe list pointer*/
usb_osa_mutex_handle ehciMutex; /*!< EHCI mutex*/
usb_osa_event_handle taskEventHandle; /*!< EHCI task event*/
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
uint64_t matchTick;
USBPHY_Type *registerPhyBase; /*!< The base address of the PHY register */
#if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U))
USBNC_Type *registerNcBase; /*!< The base address of the USBNC register */
#endif
#endif
uint8_t controllerId; /*!< EHCI controller ID*/
uint8_t deviceAttached; /*!< Device attach/detach state, see #host_ehci_device_state_t */
uint8_t firstDeviceSpeed; /*!< The first device's speed, the controller's work speed*/
uint8_t ehciItdNumber; /*!< Idle ITD number*/
uint8_t ehciSitdNumber; /*!< Idle SITD number*/
uint8_t ehciQtdNumber; /*!< Idle QTD number*/
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
bus_ehci_suspend_request_state_t busSuspendStatus; /*!< Bus Suspend Status*/
#endif
} usb_host_ehci_instance_t;
/*! @brief EHCI data structure */
typedef struct _usb_host_ehci_data
{
#if ((defined(USB_HOST_CONFIG_EHCI_MAX_QH)) && (USB_HOST_CONFIG_EHCI_MAX_QH > 0U))
usb_host_ehci_qh_t ehciQh[USB_HOST_CONFIG_EHCI_MAX_QH]; /*!< Idle QH list array*/
#endif
#if ((defined(USB_HOST_CONFIG_EHCI_MAX_QTD)) && (USB_HOST_CONFIG_EHCI_MAX_QTD > 0U))
usb_host_ehci_qtd_t ehciQtd[USB_HOST_CONFIG_EHCI_MAX_QTD]; /*!< Idle QTD list array*/
#endif
#if ((defined(USB_HOST_CONFIG_EHCI_MAX_ITD)) && (USB_HOST_CONFIG_EHCI_MAX_ITD > 0U))
usb_host_ehci_itd_t ehciItd[USB_HOST_CONFIG_EHCI_MAX_ITD]; /*!< Idle ITD list array*/
#endif
#if ((defined(USB_HOST_CONFIG_EHCI_MAX_SITD)) && (USB_HOST_CONFIG_EHCI_MAX_SITD > 0U))
usb_host_ehci_sitd_t ehciSitd[USB_HOST_CONFIG_EHCI_MAX_SITD]; /*!< Idle SITD list array*/
#endif
#if ((defined(USB_HOST_EHCI_ISO_NUMBER)) && (USB_HOST_EHCI_ISO_NUMBER > 0U))
usb_host_ehci_iso_t ehciIso[USB_HOST_EHCI_ISO_NUMBER]; /*!< Idle ISO list array*/
#endif
#if ((defined(USB_HOST_CONFIG_MAX_PIPES)) && (USB_HOST_CONFIG_MAX_PIPES > 0U))
usb_host_ehci_pipe_t ehciPipe[USB_HOST_CONFIG_MAX_PIPES]; /*!< Idle pipe list array*/
#endif
} usb_host_ehci_data_t;
/*******************************************************************************
* API
******************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
/*!
* @name USB host EHCI APIs
* @{
*/
/*!
* @brief Creates the USB host EHCI instance.
*
* This function initializes the USB host EHCI controller driver.
*
* @param[in] controllerId The controller ID of the USB IP. Please refer to the enumeration usb_controller_index_t.
* @param[in] upperLayerHandle The host level handle.
* @param[out] controllerHandle return the controller instance handle.
*
* @retval kStatus_USB_Success The host is initialized successfully.
* @retval kStatus_USB_AllocFail Allocating memory failed.
* @retval kStatus_USB_Error Host mutex create fail, KHCI/EHCI mutex or KHCI/EHCI event create fail.
* Or, KHCI/EHCI IP initialize fail.
*/
extern usb_status_t USB_HostEhciCreate(uint8_t controllerId,
usb_host_handle upperLayerHandle,
usb_host_controller_handle *controllerHandle);
/*!
* @brief Destroys the USB host EHCI instance.
*
* This function de-initializes The USB host EHCI controller driver.
*
* @param[in] controllerHandle The controller handle.
*
* @retval kStatus_USB_Success The host is initialized successfully.
*/
extern usb_status_t USB_HostEhciDestory(usb_host_controller_handle controllerHandle);
/*!
* @brief Opens the USB host pipe.
*
* This function opens a pipe according to the pipe_init_ptr parameter.
*
* @param[in] controllerHandle The controller handle.
* @param[out] pipeHandle The pipe handle pointer, it is used to return the pipe handle.
* @param[in] pipeInit It is used to initialize the pipe.
*
* @retval kStatus_USB_Success The host is initialized successfully.
* @retval kStatus_USB_Error There is no idle pipe.
* Or, there is no idle QH for EHCI.
* Or, bandwidth allocate fail for EHCI.
*/
extern usb_status_t USB_HostEhciOpenPipe(usb_host_controller_handle controllerHandle,
usb_host_pipe_handle *pipeHandle,
usb_host_pipe_init_t *pipeInit);
/*!
* @brief Closes the USB host pipe.
*
* This function closes a pipe and releases related resources.
*
* @param[in] controllerHandle The controller handle.
* @param[in] pipeHandle The closing pipe handle.
*
* @retval kStatus_USB_Success The host is initialized successfully.
*/
extern usb_status_t USB_HostEhciClosePipe(usb_host_controller_handle controllerHandle, usb_host_pipe_handle pipeHandle);
/*!
* @brief Sends data to the pipe.
*
* This function requests to send the transfer to the specified pipe.
*
* @param[in] controllerHandle The controller handle.
* @param[in] pipeHandle The sending pipe handle.
* @param[in] transfer The transfer information.
*
* @retval kStatus_USB_Success Sent successfully.
* @retval kStatus_USB_LackSwapBuffer There is no swap buffer for KHCI.
* @retval kStatus_USB_Error There is no idle QTD/ITD/SITD for EHCI.
*/
extern usb_status_t USB_HostEhciWritePipe(usb_host_controller_handle controllerHandle,
usb_host_pipe_handle pipeHandle,
usb_host_transfer_t *transfer);
/*!
* @brief Receives data from the pipe.
*
* This function requests to receive the transfer from the specified pipe.
*
* @param[in] controllerHandle The controller handle.
* @param[in] pipeHandle The receiving pipe handle.
* @param[in] transfer The transfer information.
* @retval kStatus_USB_Success Send successfully.
* @retval kStatus_USB_LackSwapBuffer There is no swap buffer for KHCI.
* @retval kStatus_USB_Error There is no idle QTD/ITD/SITD for EHCI.
*/
extern usb_status_t USB_HostEhciReadpipe(usb_host_controller_handle controllerHandle,
usb_host_pipe_handle pipeHandle,
usb_host_transfer_t *transfer);
/*!
* @brief Controls the EHCI.
*
* This function controls the EHCI.
*
* @param[in] controllerHandle The controller handle.
* @param[in] ioctlEvent See enumeration host_bus_control_t.
* @param[in] ioctlParam The control parameter.
*
* @retval kStatus_USB_Success Cancel successfully.
* @retval kStatus_USB_InvalidHandle The controllerHandle is a NULL pointer.
*/
extern usb_status_t USB_HostEhciIoctl(usb_host_controller_handle controllerHandle,
uint32_t ioctlEvent,
void *ioctlParam);
/*! @}*/
#ifdef __cplusplus
}
#endif
/*! @}*/
#endif /* _USB_HOST_CONTROLLER_EHCI_H_ */
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