/* * Copyright (c) 2015, Freescale Semiconductor, Inc. * All rights reserved. * * 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 Freescale Semiconductor, Inc. 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_HUB_H_ #define _USB_HSOT_HUB_H_ #if ((defined USB_HOST_CONFIG_HUB) && (USB_HOST_CONFIG_HUB)) /******************************************************************************* * Definitions ******************************************************************************/ /*! @brief USB host HUB maximum port count */ #define USB_HOST_HUB_MAX_PORT (7U) /*! @brief HUB class code */ #define USB_HOST_HUB_CLASS_CODE (9U) /*! @brief HUB sub-class code */ #define USB_HOST_HUB_SUBCLASS_CODE_NONE (0U) /* HUB and PORT status according to Table 11-17 in chapter 11.*/ /*! @brief Local Power Status Change: This field indicates that a change has occurred in the HUB's Local Power Source */ #define C_HUB_LOCAL_POWER (0U) /*! @brief Over-Current Change: This field indicates if a change has occurred in the Over-Current field*/ #define C_HUB_OVER_CURRENT (1U) /*! @brief Current Connect Status: This field reflects whether or not a device is currently connected to this port*/ #define PORT_CONNECTION (0U) /*! @brief Port Enabled/Disabled: Ports can be enabled by the USB System Software only. Ports can be disabled by either a fault condition (disconnect event or other fault condition) or by the USB System Software*/ #define PORT_ENABLE (1U) /*! @brief Suspend: This field indicates whether or not the device on this port is suspended */ #define PORT_SUSPEND (2U) /*! @brief this field indicate that the current drain on the port exceeds the specified maximum. */ #define PORT_OVER_CURRENT (3U) /*! @brief This field is set when the host wishes to reset the attached device */ #define PORT_RESET (4U) /*! @brief This field reflects a port's logical, power control state */ #define PORT_POWER (8U) /*! @brief Low- Speed Device Attached: This is relevant only if a device is attached */ #define PORT_LOW_SPEED (9U) /*! @brief High-speed Device Attached: This is relevant only if a device is attached */ #define PORT_HIGH_SPEED (10U) /*! @brief Connect Status Change: Indicates a change has occurred in the port's Current Connect Status */ #define C_PORT_CONNECTION (16U) /*! @brief Port Enable/Disable Change: This field is set to one when a port is disabled because of a Port_Error * condition */ #define C_PORT_ENABLE (17U) /*! @brief Suspend Change: This field indicates a change in the host-visible suspend state of the attached device */ #define C_PORT_SUSPEND (18U) /*! @brief Over-Current Indicator Change: This field applies only to HUBs that report over-current conditions on a * per-port basis */ #define C_PORT_OVER_CURRENT (19U) /*! @brief Reset Change: This field is set when reset processing on this port is complete */ #define C_PORT_RESET (20U) /*! @brief Get HUB think time value */ #define USB_HOST_HUB_DESCRIPTOR_CHARACTERISTICS_THINK_TIME_MASK (0x60U) /*! @brief Get HUB think time value */ #define USB_HOST_HUB_DESCRIPTOR_CHARACTERISTICS_THINK_TIME_SHIFT (5U) /******************************************************************************* * Prototypes ******************************************************************************/ /*! @brief HUB descriptor structure */ typedef struct _usb_host_hub_descriptor { uint8_t blength; /*!< Number of bytes in this descriptor*/ uint8_t bdescriptortype; /*!< Descriptor Type*/ uint8_t bnrports; /*!< Number of downstream facing ports that this HUB supports*/ uint8_t whubcharacteristics[2]; /*!< HUB characteristics please reference to Table 11-13 in usb2.0 specification*/ uint8_t bpwron2pwrgood; /*!< Time (in 2 ms intervals) from the time the power-on sequence begins on a port until power is good on that port.*/ uint8_t bhubcontrcurrent; /*!< Maximum current requirements of the HUB Controller electronics in mA*/ uint8_t deviceremovable; /*!< Indicates if a port has a removable device attached*/ } usb_host_hub_descriptor_t; /*! @brief HUB port instance structure */ typedef struct _usb_host_hub_port_instance { usb_device_handle deviceHandle; /*!< Device handle*/ uint8_t portStatus; /*!< Port running status*/ uint8_t resetCount; /*!< Port reset time*/ uint8_t speed; /*!< Port's device speed*/ } usb_host_hub_port_instance_t; /*! @brief HUB instance structure */ typedef struct _usb_host_hub_instance { struct _usb_host_hub_instance *next; /*!< Next HUB instance*/ usb_host_handle hostHandle; /*!< Host handle*/ usb_device_handle deviceHandle; /*!< Device handle*/ usb_host_interface_handle interfaceHandle; /*!< Interface handle*/ usb_host_pipe_handle controlPipe; /*!< Control pipe handle*/ usb_host_pipe_handle interruptPipe; /*!< HUB interrupt in pipe handle*/ usb_host_hub_port_instance_t *portList; /*!< HUB's port instance list*/ usb_host_transfer_t *controlTransfer; /*!< Control transfer in progress*/ transfer_callback_t inCallbackFn; /*!< Interrupt in callback*/ void *inCallbackParam; /*!< Interrupt in callback parameter*/ transfer_callback_t controlCallbackFn; /*!< Control callback*/ void *controlCallbackParam; /*!< Control callback parameter*/ /* HUB property */ uint16_t totalThinktime; /*!< HUB total think time*/ uint8_t hubLevel; /*!< HUB level, the root HUB's level is 1*/ /* HUB application parameter */ uint8_t hubDescriptor[7 + (USB_HOST_HUB_MAX_PORT >> 3) + 1]; /*!< HUB descriptor buffer*/ uint8_t hubBitmapBuffer[(USB_HOST_HUB_MAX_PORT >> 3) + 1]; /*!< HUB receiving bitmap data buffer*/ uint8_t hubStatusBuffer[4]; /*!< HUB status buffer*/ uint8_t portStatusBuffer[4]; /*!< Port status buffer*/ uint8_t hubStatus; /*!< HUB instance running status*/ uint8_t portCount; /*!< HUB port count*/ uint8_t portIndex; /*!< Record the index when processing ports in turn*/ uint8_t portProcess; /*!< The port that is processing*/ uint8_t primeStatus; /*!< Data prime transfer status*/ uint8_t invalid; /*!< 0/1, when invalid, cannot send transfer to the class*/ } usb_host_hub_instance_t; /******************************************************************************* * Variables ******************************************************************************/ /******************************************************************************* * Code ******************************************************************************/ #ifdef __cplusplus extern "C" { #endif /*! * @brief Initializes the HUB instance. * * This function allocates the resource for HUB instance. * * @param deviceHandle The device handle. * @param classHandle Return class handle. * * @retval kStatus_USB_Success The device is initialized successfully. * @retval kStatus_USB_AllocFail Allocate memory fail. */ extern usb_status_t USB_HostHubInit(usb_device_handle deviceHandle, usb_host_class_handle *classHandle); /*! * @brief Sets interface. * * This function binds the interfaces with the HUB instance. * * @param classHandle The class handle. * @param interfaceHandle The interface handle. * @param alternateSetting The alternate setting value. * @param callbackFn This callback is called after this function completes. * @param callbackParam The first parameter in the callback function. * * @retval kStatus_USB_Success The device is initialized successfully. * @retval kStatus_USB_InvalidHandle The classHandle is NULL pointer. * @retval kStatus_USB_Busy There is no idle transfer. * @retval kStatus_USB_Error Open pipe fail. See the USB_HostOpenPipe. * Or send transfer fail. See the USB_HostSendSetup, */ extern usb_status_t USB_HostHubSetInterface(usb_host_class_handle classHandle, usb_host_interface_handle interfaceHandle, uint8_t alternateSetting, transfer_callback_t callbackFn, void *callbackParam); /*! * @brief Deinitializes the HUB instance. * * This function releases the resource for HUB instance. * * @param deviceHandle The device handle. * @param classHandle The class handle. * * @retval kStatus_USB_Success The device is deinitialized successfully. */ extern usb_status_t USB_HostHubDeinit(usb_device_handle deviceHandle, usb_host_class_handle classHandle); /*! * @brief Receives data. * * This function implements the HUB receiving data. * * @param classHandle The class handle. * @param buffer The buffer pointer. * @param bufferLength The buffer length. * @param callbackFn This callback is called after this function completes. * @param callbackParam The first parameter in the callback function. * * @retval kStatus_USB_Success Receive request successfully. * @retval kStatus_USB_InvalidHandle The classHandle is NULL pointer. * @retval kStatus_USB_Busy There is no idle transfer. * @retval kStatus_USB_Error Pipe is not initialized. * Or, send transfer fail. See the USB_HostRecv. */ extern usb_status_t USB_HostHubInterruptRecv(usb_host_class_handle classHandle, uint8_t *buffer, uint16_t bufferLength, transfer_callback_t callbackFn, void *callbackParam); /*! * @brief Port reset setup. * * This function sends the HUB port reset transfer. * * @param classHandle The class handle. * @param portNumber Port number. * * @retval kStatus_USB_Success Send successfully. * @retval kStatus_USB_InvalidHandle The classHandle is NULL pointer. * @retval kStatus_USB_Busy There is no idle transfer. * @retval kStatus_USB_Error Pipe is not initialized. * Or, send transfer fail. See the USB_HostSendSetup. */ extern usb_status_t USB_HostHubSendPortReset(usb_host_class_handle classHandle, uint8_t portNumber); /*! * @brief HUB get descriptor. * * This function implements get HUB descriptor-specific request. * * @param classHandle The class handle. * @param buffer The buffer pointer. * @param bufferLength The buffer length. * @param callbackFn This callback is called after this function completes. * @param callbackParam The first parameter in the callback function. * * @retval kStatus_USB_Success Send successfully. * @retval kStatus_USB_InvalidHandle The classHandle is NULL pointer. * @retval kStatus_USB_Busy There is no idle transfer. * @retval kStatus_USB_Error Pipe is not initialized. * Or, send transfer fail. See the USB_HostSendSetup. */ extern usb_status_t USB_HostHubGetDescriptor(usb_host_class_handle classHandle, uint8_t *buffer, uint16_t bufferLength, transfer_callback_t callbackFn, void *callbackParam); /*! * @brief HUB clear feature. * * This function implements clear HUB feature specific request. * * @param classHandle the class handle. * @param buffer the buffer pointer. * @param bufferLength the buffer length. * @param callbackFn this callback is called after this function completes. * @param callbackParam the first parameter in the callback function. * * @retval kStatus_USB_Success send successfully. * @retval kStatus_USB_InvalidHandle The classHandle is NULL pointer. * @retval kStatus_USB_Busy There is no idle transfer. * @retval kStatus_USB_Error pipe is not initialized. * Or, send transfer fail, please reference to USB_HostSendSetup. */ extern usb_status_t USB_HostHubClearFeature(usb_host_class_handle classHandle, uint8_t feature, transfer_callback_t callbackFn, void *callbackParam); /*! * @brief HUB get status. * * This function implements the get HUB status-specific request. * * @param classHandle The class handle. * @param buffer The buffer pointer. * @param bufferLength The buffer length. * @param callbackFn This callback is called after this function completes. * @param callbackParam The first parameter in the callback function. * * @retval kStatus_USB_Success Send successfully. * @retval kStatus_USB_InvalidHandle The classHandle is NULL pointer. * @retval kStatus_USB_Busy There is no idle transfer. * @retval kStatus_USB_Error Pipe is not initialized. * Or, send transfer fail. See the USB_HostSendSetup. */ extern usb_status_t USB_HostHubGetStatus(usb_host_class_handle classHandle, uint8_t *buffer, uint16_t bufferLength, transfer_callback_t callbackFn, void *callbackParam); /*! * @brief HUB set feature. * * This function implements the set HUB feature-specific request. * * @param classHandle The class handle. * @param buffer The buffer pointer. * @param bufferLength The buffer length. * @param callbackFn This callback is called after this function completes. * @param callbackParam The first parameter in the callback function. * * @retval kStatus_USB_Success Send successfully. * @retval kStatus_USB_InvalidHandle The classHandle is NULL pointer. * @retval kStatus_USB_Busy There is no idle transfer. * @retval kStatus_USB_Error Pipe is not initialized. * Or, send transfer fail. See the USB_HostSendSetup. */ extern usb_status_t USB_HostHubSetPortFeature(usb_host_class_handle classHandle, uint8_t portNumber, uint8_t feature, transfer_callback_t callbackFn, void *callbackParam); /*! * @brief HUB clear port feature. * * This function implements the clear HUB port feature-specific request. * * @param classHandle The class handle. * @param buffer The buffer pointer. * @param bufferLength The buffer length. * @param callbackFn This callback is called after this function completes. * @param callbackParam The first parameter in the callback function. * * @retval kStatus_USB_Success Send successfully. * @retval kStatus_USB_InvalidHandle The classHandle is NULL pointer. * @retval kStatus_USB_Busy There is no idle transfer. * @retval kStatus_USB_Error Pipe is not initialized. * Or, send transfer fail. See the USB_HostSendSetup. */ extern usb_status_t USB_HostHubClearPortFeature(usb_host_class_handle classHandle, uint8_t portNumber, uint8_t feature, transfer_callback_t callbackFn, void *callbackParam); /*! * @brief HUB port get status. * * This function implements the get HUB port status-specific request. * * @param classHandle The class handle. * @param buffer The buffer pointer. * @param bufferLength The buffer length. * @param callbackFn This callback is called after this function completes. * @param callbackParam The first parameter in the callback function. * * @retval kStatus_USB_Success Send successfully. * @retval kStatus_USB_InvalidHandle The classHandle is NULL pointer. * @retval kStatus_USB_Busy There is no idle transfer. * @retval kStatus_USB_Error Pipe is not initialized. * Or, send transfer fail. See the USB_HostSendSetup. */ extern usb_status_t USB_HostHubGetPortStatus(usb_host_class_handle classHandle, uint8_t portNumber, uint8_t *buffer, uint16_t bufferLength, transfer_callback_t callbackFn, void *callbackParam); #ifdef __cplusplus } #endif #endif /* USB_HOST_CONFIG_HUB */ #endif /* _USB_HSOT_HUB_H_ */