297 lines
12 KiB
C
297 lines
12 KiB
C
/*
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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* Copyright 2016 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __USB_DEVICE_EHCI_H__
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#define __USB_DEVICE_EHCI_H__
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/*!
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* @addtogroup usb_device_controller_ehci_driver
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* @{
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*/
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/*! @brief The maximum value of ISO type maximum packet size for HS in USB specification 2.0 */
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#define USB_DEVICE_MAX_HS_ISO_MAX_PACKET_SIZE (1024U)
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/*! @brief The maximum value of interrupt type maximum packet size for HS in USB specification 2.0 */
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#define USB_DEVICE_MAX_HS_INTERUPT_MAX_PACKET_SIZE (1024U)
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/*! @brief The maximum value of bulk type maximum packet size for HS in USB specification 2.0 */
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#define USB_DEVICE_MAX_HS_BULK_MAX_PACKET_SIZE (512U)
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/*! @brief The maximum value of control type maximum packet size for HS in USB specification 2.0 */
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#define USB_DEVICE_MAX_HS_CONTROL_MAX_PACKET_SIZE (64U)
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#define USB_DEVICE_MAX_TRANSFER_PRIME_TIMES \
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(10000000U) /* The max prime times of EPPRIME, if still doesn't take effect, means status has been reset*/
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/* Device QH */
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#define USB_DEVICE_EHCI_QH_POINTER_MASK (0xFFFFFFC0U)
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#define USB_DEVICE_EHCI_QH_MULT_MASK (0xC0000000U)
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#define USB_DEVICE_EHCI_QH_ZLT_MASK (0x20000000U)
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#define USB_DEVICE_EHCI_QH_MAX_PACKET_SIZE_MASK (0x07FF0000U)
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#define USB_DEVICE_EHCI_QH_MAX_PACKET_SIZE (0x00000800U)
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#define USB_DEVICE_EHCI_QH_IOS_MASK (0x00008000U)
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/* Device DTD */
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#define USB_DEVICE_ECHI_DTD_POINTER_MASK (0xFFFFFFE0U)
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#define USB_DEVICE_ECHI_DTD_TERMINATE_MASK (0x00000001U)
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#define USB_DEVICE_ECHI_DTD_PAGE_MASK (0xFFFFF000U)
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#define USB_DEVICE_ECHI_DTD_PAGE_OFFSET_MASK (0x00000FFFU)
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#define USB_DEVICE_ECHI_DTD_PAGE_BLOCK (0x00001000U)
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#define USB_DEVICE_ECHI_DTD_TOTAL_BYTES_MASK (0x7FFF0000U)
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#define USB_DEVICE_ECHI_DTD_TOTAL_BYTES (0x00004000U)
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#define USB_DEVICE_ECHI_DTD_IOC_MASK (0x00008000U)
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#define USB_DEVICE_ECHI_DTD_MULTIO_MASK (0x00000C00U)
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#define USB_DEVICE_ECHI_DTD_STATUS_MASK (0x000000FFU)
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#define USB_DEVICE_EHCI_DTD_STATUS_ERROR_MASK (0x00000068U)
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#define USB_DEVICE_ECHI_DTD_STATUS_ACTIVE (0x00000080U)
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#define USB_DEVICE_ECHI_DTD_STATUS_HALTED (0x00000040U)
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#define USB_DEVICE_ECHI_DTD_STATUS_DATA_BUFFER_ERROR (0x00000020U)
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#define USB_DEVICE_ECHI_DTD_STATUS_TRANSACTION_ERROR (0x00000008U)
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typedef struct _usb_device_ehci_qh_struct
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{
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union
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{
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volatile uint32_t capabilttiesCharacteristics;
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struct
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{
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volatile uint32_t reserved1 : 15;
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volatile uint32_t ios : 1;
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volatile uint32_t maxPacketSize : 11;
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volatile uint32_t reserved2 : 2;
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volatile uint32_t zlt : 1;
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volatile uint32_t mult : 2;
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} capabilttiesCharacteristicsBitmap;
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} capabilttiesCharacteristicsUnion;
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volatile uint32_t currentDtdPointer;
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volatile uint32_t nextDtdPointer;
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union
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{
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volatile uint32_t dtdToken;
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struct
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{
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volatile uint32_t status : 8;
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volatile uint32_t reserved1 : 2;
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volatile uint32_t multiplierOverride : 2;
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volatile uint32_t reserved2 : 3;
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volatile uint32_t ioc : 1;
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volatile uint32_t totalBytes : 15;
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volatile uint32_t reserved3 : 1;
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} dtdTokenBitmap;
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} dtdTokenUnion;
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volatile uint32_t bufferPointerPage[5];
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volatile uint32_t reserved1;
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uint32_t setupBuffer[2];
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uint32_t setupBufferBack[2];
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union
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{
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uint32_t endpointStatus;
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struct
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{
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uint32_t isOpened : 1;
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uint32_t zlt : 1;
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uint32_t : 30;
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} endpointStatusBitmap;
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} endpointStatusUnion;
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uint32_t reserved2;
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} usb_device_ehci_qh_struct_t;
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typedef struct _usb_device_ehci_dtd_struct
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{
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volatile uint32_t nextDtdPointer;
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union
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{
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volatile uint32_t dtdToken;
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struct
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{
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volatile uint32_t status : 8;
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volatile uint32_t reserved1 : 2;
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volatile uint32_t multiplierOverride : 2;
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volatile uint32_t reserved2 : 3;
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volatile uint32_t ioc : 1;
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volatile uint32_t totalBytes : 15;
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volatile uint32_t reserved3 : 1;
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} dtdTokenBitmap;
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} dtdTokenUnion;
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volatile uint32_t bufferPointerPage[5];
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union
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{
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volatile uint32_t reserved;
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struct
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{
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uint32_t originalBufferOffest : 12;
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uint32_t originalBufferLength : 19;
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uint32_t dtdInvalid : 1;
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} originalBufferInfo;
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} reservedUnion;
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} usb_device_ehci_dtd_struct_t;
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/*! @brief EHCI state structure */
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typedef struct _usb_device_ehci_state_struct
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{
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usb_device_struct_t *deviceHandle; /*!< Device handle used to identify the device object is belonged to */
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USBHS_Type *registerBase; /*!< The base address of the register */
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#if (defined(USB_DEVICE_CONFIG_LOW_POWER_MODE) && (USB_DEVICE_CONFIG_LOW_POWER_MODE > 0U))
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USBPHY_Type *registerPhyBase; /*!< The base address of the PHY register */
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#if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U))
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USBNC_Type *registerNcBase; /*!< The base address of the USBNC register */
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#endif
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#endif
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#if (defined(USB_DEVICE_CONFIG_CHARGER_DETECT) && (USB_DEVICE_CONFIG_CHARGER_DETECT > 0U)) && \
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((defined(FSL_FEATURE_SOC_USBHSDCD_COUNT) && (FSL_FEATURE_SOC_USBHSDCD_COUNT > 0U)) || \
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(defined(FSL_FEATURE_SOC_USB_ANALOG_COUNT) && (FSL_FEATURE_SOC_USB_ANALOG_COUNT > 0U)))
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void *dcdHandle; /*!< Dcd handle used to identify the device object belongs to */
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#endif
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usb_device_ehci_qh_struct_t *qh; /*!< The QH structure base address */
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usb_device_ehci_dtd_struct_t *dtd; /*!< The DTD structure base address */
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usb_device_ehci_dtd_struct_t *dtdFree; /*!< The idle DTD list head */
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usb_device_ehci_dtd_struct_t
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*dtdHard[USB_DEVICE_CONFIG_ENDPOINTS * 2]; /*!< The transferring DTD list head for each endpoint */
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usb_device_ehci_dtd_struct_t
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*dtdTail[USB_DEVICE_CONFIG_ENDPOINTS * 2]; /*!< The transferring DTD list tail for each endpoint */
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uint8_t dtdCount; /*!< The idle DTD node count */
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uint8_t endpointCount; /*!< The endpoint number of EHCI */
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uint8_t isResetting; /*!< Whether a PORT reset is occurring or not */
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uint8_t controllerId; /*!< Controller ID */
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uint8_t speed; /*!< Current speed of EHCI */
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uint8_t isSuspending; /*!< Is suspending of the PORT */
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} usb_device_ehci_state_struct_t;
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/*!
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* @name USB device EHCI functions
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* @{
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*/
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/*******************************************************************************
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* API
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******************************************************************************/
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/*!
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* @brief Initializes the USB device EHCI instance.
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*
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* This function initializes the USB device EHCI module specified by the controllerId.
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*
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* @param[in] controllerId The controller ID of the USB IP. See the enumeration type usb_controller_index_t.
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* @param[in] handle Pointer of the device handle used to identify the device object is belonged to.
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* @param[out] ehciHandle An out parameter used to return the pointer of the device EHCI handle to the caller.
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*
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* @return A USB error code or kStatus_USB_Success.
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*/
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usb_status_t USB_DeviceEhciInit(uint8_t controllerId,
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usb_device_handle handle,
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usb_device_controller_handle *ehciHandle);
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/*!
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* @brief Deinitializes the USB device EHCI instance.
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*
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* This function deinitializes the USB device EHCI module.
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*
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* @param[in] ehciHandle Pointer of the device EHCI handle.
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*
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* @return A USB error code or kStatus_USB_Success.
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*/
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usb_status_t USB_DeviceEhciDeinit(usb_device_controller_handle ehciHandle);
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/*!
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* @brief Sends data through a specified endpoint.
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*
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* This function sends data through a specified endpoint.
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*
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* @param[in] ehciHandle Pointer of the device EHCI handle.
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* @param[in] endpointAddress Endpoint index.
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* @param[in] buffer The memory address to hold the data need to be sent.
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* @param[in] length The data length to be sent.
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*
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* @return A USB error code or kStatus_USB_Success.
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*
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* @note The return value means whether the sending request is successful or not. The transfer completion is indicated
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* by the
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* corresponding callback function.
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* Currently, only one transfer request can be supported for a specific endpoint.
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* If there is a specific requirement to support multiple transfer requests for a specific endpoint, the application
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* should implement a queue in the application level.
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* The subsequent transfer can begin only when the previous transfer is done (a notification is received through the
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* endpoint
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* callback).
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*/
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usb_status_t USB_DeviceEhciSend(usb_device_controller_handle ehciHandle,
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uint8_t endpointAddress,
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uint8_t *buffer,
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uint32_t length);
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/*!
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* @brief Receive data through a specified endpoint.
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*
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* This function Receives data through a specified endpoint.
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*
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* @param[in] ehciHandle Pointer of the device EHCI handle.
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* @param[in] endpointAddress Endpoint index.
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* @param[in] buffer The memory address to save the received data.
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* @param[in] length The data length want to be received.
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*
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* @return A USB error code or kStatus_USB_Success.
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*
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* @note The return value just means if the receiving request is successful or not; the transfer done is notified by the
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* corresponding callback function.
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* Currently, only one transfer request can be supported for one specific endpoint.
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* If there is a specific requirement to support multiple transfer requests for one specific endpoint, the application
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* should implement a queue in the application level.
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* The subsequent transfer could begin only when the previous transfer is done (get notification through the endpoint
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* callback).
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*/
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usb_status_t USB_DeviceEhciRecv(usb_device_controller_handle ehciHandle,
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uint8_t endpointAddress,
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uint8_t *buffer,
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uint32_t length);
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/*!
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* @brief Cancels the pending transfer in a specified endpoint.
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*
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* The function is used to cancel the pending transfer in a specified endpoint.
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*
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* @param[in] ehciHandle Pointer of the device EHCI handle.
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* @param[in] ep Endpoint address, bit7 is the direction of endpoint, 1U - IN, 0U - OUT.
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*
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* @return A USB error code or kStatus_USB_Success.
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*/
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usb_status_t USB_DeviceEhciCancel(usb_device_controller_handle ehciHandle, uint8_t ep);
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/*!
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* @brief Controls the status of the selected item.
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*
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* The function is used to control the status of the selected item.
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*
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* @param[in] ehciHandle Pointer of the device EHCI handle.
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* @param[in] type The selected item. See enumeration type usb_device_control_type_t.
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* @param[in,out] param The parameter type is determined by the selected item.
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*
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* @return A USB error code or kStatus_USB_Success.
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*/
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usb_status_t USB_DeviceEhciControl(usb_device_controller_handle ehciHandle,
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usb_device_control_type_t type,
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void *param);
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/*! @} */
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#if defined(__cplusplus)
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}
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#endif
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/*! @} */
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#endif /* __USB_DEVICE_EHCI_H__ */
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