libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
rt-thread/bsp/imx/imx6ull-smart/drivers/usb/host/usb_host_ehci.c

4748 lines
191 KiB
C
Raw Normal View History

[bsp] add imx6ull smart board bsp (#7716)
2023-06-27 08:20:45 +08:00
/*
* Copyright (c) 2015 - 2016, 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.
*/
#include <usb/include/usb_device_config.h>
#if ((defined USB_HOST_CONFIG_EHCI) && (USB_HOST_CONFIG_EHCI > 0U))
#include "usb_host.h"
#include "usb_host_hci.h"
#include "usb_host_devices.h"
#include "fsl_device_registers.h"
#include "usb_host_ehci.h"
#include "usb_phy.h"
#if ((defined USB_HOST_CONFIG_COMPLIANCE_TEST) && (USB_HOST_CONFIG_COMPLIANCE_TEST))
#include "usb_host.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
#define USB_HOST_EHCI_BANDWIDTH_DELAY (3500U)
#define USB_HOST_EHCI_BANDWIDTH_HUB_LS_SETUP (333U)
#define USB_HOST_EHCI_BANDWIDTH_FRAME_TOTOAL_TIME (900U)
#if ((defined USB_HOST_CONFIG_COMPLIANCE_TEST) && (USB_HOST_CONFIG_COMPLIANCE_TEST))
#define USB_HOST_EHCI_TEST_DESCRIPTOR_LENGTH (18U)
#define USB_HOST_EHCI_PORTSC_PTC_J_STATE (0x01U)
#define USB_HOST_EHCI_PORTSC_PTC_K_STATE (0x02U)
#define USB_HOST_EHCI_PORTSC_PTC_SE0_NAK (0x03U)
#define USB_HOST_EHCI_PORTSC_PTC_PACKET (0x04U)
#define USB_HOST_EHCI_PORTSC_PTC_FORCE_ENABLE_HS (0x05U)
#define USB_HOST_EHCI_PORTSC_PTC_FORCE_ENABLE_FS (0x06U)
#define USB_HOST_EHCI_PORTSC_PTC_FORCE_ENABLE_LS (0x07U)
#endif
/*******************************************************************************
* Prototypes
******************************************************************************/
/*!
* @brief compute data bandwidth time.
*
* @param speed data speed.
* @param pipeType data type.
* @param direction data direction.
* @param dataLength data length.
*
*@return time value.
*/
static uint32_t USB_HostBandwidthComputeTime(uint8_t speed, uint8_t pipeType, uint8_t direction, uint32_t dataLength);
/*!
* @brief compute current allocated bandwidth when ehci work as full-speed or low-speed host.
*
* @param ehciInstance ehci instance pointer.
* @param frameIndex frame index.
* @param frameBandwidths return frame bandwidth data.
*/
static void USB_HostBandwidthFslsHostComputeCurrent(usb_host_ehci_instance_t *ehciInstance,
uint16_t frameIndex,
uint16_t *frameBandwidth);
/*!
* @brief compute current hub's allocated FS/LS bandwidth when ehci work as hi-speed host.
*
* @param ehciInstance ehci instance pointer.
* @param hubNumber hub address.
* @param frameIndex frame index.
* @param frameBandwidths return frame bandwidth data.
*/
static void USB_HostBandwidthHsHostComputeCurrentFsls(usb_host_ehci_instance_t *ehciInstance,
uint32_t hubNumber,
uint16_t frameIndex,
uint8_t frameBandwidths[8]);
/*!
* @brief compute current allocated HS bandwidth when ehci work as hi-speed host.
*
* @param ehciInstance ehci instance pointer.
* @param frameIndex frame index.
* @param frameBandwidths return frame bandwidth data.
*/
static void USB_HostBandwidthHsHostComputeCurrentHsAll(usb_host_ehci_instance_t *ehciInstance,
uint16_t frameIndex,
uint8_t frameBandwidths[8]);
/*!
* @brief allocate HS bandwidth when host work as high-speed host.
*
* @param ehciInstance ehci instance pointer.
* @param uframeInterval micro-frame interval.
* @param timeData time for allocating.
* @param uframe_index_out return start uframe index.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostBandwidthHsHostAllocateHsCommon(usb_host_ehci_instance_t *ehciInstance,
uint16_t uframeInterval,
uint16_t timeData,
uint16_t *uframeIndexOut);
/*!
* @brief allocate HS interrupt bandwidth when host work as high-speed host.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostBandwidthHsHostAllocateInterrupt(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief allocate bandwidth when host work as full-speed or low-speed host.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostBandwidthFslsHostAllocate(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief get the 2 power value of uint8_t.
*
* @param value input uint8_t value.
*/
static uint8_t USB_HostEhciGet2PowerValue(uint8_t value);
/*!
* @brief memory zero.
*
* @param buffer buffer pointer.
* @param length buffer length.
*/
static void USB_HostEhciZeroMem(uint32_t *buffer, uint32_t length);
/*!
* @brief host ehci delay.
*
* @param ehciIpBase ehci ip base address.
* @param ms millisecond.
*/
static void USB_HostEhciDelay(USBHS_Type *ehciIpBase, uint32_t ms);
/*!
* @brief host ehci start async schedule.
*
* @param ehciInstance ehci instance pointer.
*/
static void USB_HostEhciStartAsync(usb_host_ehci_instance_t *ehciInstance);
/*!
* @brief host ehci stop async schedule.
*
* @param ehciInstance ehci instance pointer.
*/
static void USB_HostEhciStopAsync(usb_host_ehci_instance_t *ehciInstance);
/*!
* @brief host ehci start periodic schedule.
*
* @param ehciInstance ehci instance pointer.
*/
static void USB_HostEhciStartPeriodic(usb_host_ehci_instance_t *ehciInstance);
/*!
* @brief host ehci stop periodic schedule.
*
* @param ehciInstance ehci instance pointer.
*/
static void USB_HostEhciStopPeriodic(usb_host_ehci_instance_t *ehciInstance);
/*!
* @brief initialize the qtd for one transfer.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
* @param transfer transfer information.
*
*@return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciQhQtdListInit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer);
/*!
* @brief release the qtd list.
*
* @param ehciInstance ehci instance pointer.
* @param ehciQtdStart qtd list start pointer.
* @param ehciQtdEnd qtd list end pointer.
*
*@return the transfer's length.
*/
static uint32_t USB_HostEhciQtdListRelease(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_qtd_t *ehciQtdStart,
usb_host_ehci_qtd_t *ehciQtdEnd);
/*!
* @brief de-initialize qh's linking qtd list.
* 1. remove qtd from qh; 2. remove transfer from qh; 3. release qtd; 4. transfer callback.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe.
*
*@return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciQhQtdListDeinit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief de-initialize transfer's linking qtd list.
* 1. stop this qh schedule; 2. remove qtd from qh; 3. remove transfer from qh; 4. release qtd; 5. transfer callback; 6.
*start this qh schedule.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
* @param transfer transfer information.
*
*@return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciTransferQtdListDeinit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer);
/*!
* @brief initialize QH when opening one control, bulk or interrupt pipe.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciQhInit(usb_host_ehci_instance_t *ehciInstance, usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief de-initialize QH when closing one control, bulk or interrupt pipe.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciQhDeinit(usb_host_ehci_instance_t *ehciInstance, usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief add qh to one frame entry.
*
* @param ehciInstance ehci instance pointer.
* @param entryPointerValue entry pointer value.
* @param framePos frame index.
* @param uframeInterval micro-frame interval.
*/
static void USB_HostEhciAddQhToFrame(usb_host_ehci_instance_t *ehciInstance,
uint32_t entryPointerValue,
uint16_t framePos,
uint16_t uframeInterval);
/*!
* @brief remove entry from frame list.
*
* @param ehciInstance ehci instance pointer.
* @param entryPointerValue entry pointer value.
* @param framePos frame index.
*/
static void USB_HostEhciRemoveFromFrame(usb_host_ehci_instance_t *ehciInstance,
uint32_t entryPointerValue,
uint16_t framePos);
#if ((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD))
/*!
* @brief add sitd array to the frame list.
*
* @param ehciInstance ehci instance pointer.
* @param entryPointerValue entry pointer value.
* @param startEntryPointer sitd entry pointer.
*/
static void USB_HostEhciLinkSitd(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
void *startEntryPointer);
/*!
* @brief initialize sitd array for one transfer.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
* @param transfer transfer information.
*/
static usb_status_t USB_HostEhciSitdArrayInit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer);
/*!
* @brief release sitd list.
*
* @param ehciInstance ehci instance pointer.
* @param startSitdPointer start sitd pointer.
* @param endSitdPointer end sitd pointer.
*
* @return transfer's result length.
*/
static uint32_t USB_HostEhciSitdArrayRelease(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_sitd_t *startSitdPointer,
usb_host_ehci_sitd_t *endSitdPointer);
/*!
* @brief de-initialize sitd list.
* 1. remove transfer; 2. remove sitd from frame list and release sitd; 3. transfer callback
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciSitdArrayDeinit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
#endif /* USB_HOST_CONFIG_EHCI_MAX_SITD */
#if ((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD))
/*!
* @brief compute the frame index when inserting itd.
*
* @param ehciInstance ehci instance pointer.
* @param lastLinkUframe last inserted micro-frame.
* @param startUframe start micro-frame.
* @param uframeInterval micro-frame interval.
*
* @return frame index
*/
static uint32_t USB_HostEhciGetItdLinkFrame(usb_host_ehci_instance_t *ehciInstance,
uint32_t lastLinkUframe,
uint16_t startUframe,
uint16_t uframeInterval);
/*!
* @brief initialize itd list for one transfer.
* 1. initialize itd list; 2. insert itd to frame list.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
* @param transfer transfer information.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciItdArrayInit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer);
/*!
* @brief release itd list.
*
* @param ehciInstance ehci instance pointer.
* @param startItdPointer start itd pointer.
* @param endItdPointer end itd pointer.
*
* @return transfer's result length.
*/
static uint32_t USB_HostEhciItdArrayRelease(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_itd_t *startItdPointer,
usb_host_ehci_itd_t *endItdPointer);
/*!
* @brief de-initialize itd list.
* 1. remove transfer; 2. remove itd from frame list and release itd; 3. transfer callback
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciItdArrayDeinit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
#endif /* USB_HOST_CONFIG_EHCI_MAX_ITD */
/*!
* @brief open control or bulk pipe.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciOpenControlBulk(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief close control or bulk pipe.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciCloseControlBulk(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief open interrupt pipe.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciOpenInterrupt(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief close interrupt pipe.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciCloseInterrupt(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
/*!
* @brief open iso pipe.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciOpenIso(usb_host_ehci_instance_t *ehciInstance, usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief close iso pipe.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciCloseIso(usb_host_ehci_instance_t *ehciInstance, usb_host_ehci_pipe_t *ehciPipePointer);
/*!
* @brief allocate HS iso bandwidth when host work as high-speed host.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostBandwidthHsHostAllocateIso(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer);
#endif
/*!
* @brief reset ehci ip.
*
* @param ehciInstance ehci instance pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciResetIP(usb_host_ehci_instance_t *ehciInstance);
/*!
* @brief start ehci ip.
*
* @param ehciInstance ehci instance pointer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciStartIP(usb_host_ehci_instance_t *ehciInstance);
/*!
* @brief cancel pipe's transfers.
*
* @param ehciInstance ehci instance pointer.
* @param ehciPipePointer ehci pipe pointer.
* @param transfer the canceling transfer.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciCancelPipe(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer);
/*!
* @brief control ehci bus.
*
* @param ehciInstance ehci instance pointer.
* @param bus_control control code.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostEhciControlBus(usb_host_ehci_instance_t *ehciInstance, uint8_t busControl);
/*!
* @brief ehci transaction done process function.
*
* @param ehciInstance ehci instance pointer.
*/
void USB_HostEhciTransactionDone(usb_host_ehci_instance_t *ehciInstance);
/*!
* @brief ehci port change interrupt process function.
*
* @param ehciInstance ehci instance pointer.
*/
static void USB_HostEhciPortChange(usb_host_ehci_instance_t *ehciInstance);
/*!
* @brief ehci timer0 interrupt process function.
* cancel control/bulk transfer that time out.
*
* @param ehciInstance ehci instance pointer.
*/
static void USB_HostEhciTimer0(usb_host_ehci_instance_t *ehciInstance);
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
/*!
* @brief ehci timer1 interrupt process function.
* cancel control/bulk transfer that time out.
*
* @param ehciInstance ehci instance pointer.
*/
static void USB_HostEhciTimer1(usb_host_ehci_instance_t *ehciInstance);
#endif
#if ((defined USB_HOST_CONFIG_COMPLIANCE_TEST) && (USB_HOST_CONFIG_COMPLIANCE_TEST))
/*!
* @brief suspend bus.
*
* @param ehciInstance ehci instance pointer.
*/
static void USB_HostEhciSuspendBus(usb_host_ehci_instance_t *ehciInstance);
/*!
* @brief resume bus.
*
* @param ehciInstance ehci instance pointer.
*/
static void USB_HostEhciResumeBus(usb_host_ehci_instance_t *ehciInstance);
extern usb_status_t USB_HostStandardSetGetDescriptor(usb_host_device_instance_t *deviceInstance,
usb_host_transfer_t *transfer,
void *param);
#endif /* USB_HOST_CONFIG_COMPLIANCE_TEST */
/*******************************************************************************
* Variables
******************************************************************************/
/* EHCI controller driver instances. */
#if (USB_HOST_CONFIG_EHCI == 1U)
USB_RAM_ADDRESS_ALIGNMENT(4096)
USB_CONTROLLER_DATA static uint8_t s_UsbHostEhciFrameList1[USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE * 4];
#define USB_HOST_EHCI_FRAME_LIST_ARRAY \
{ \
&s_UsbHostEhciFrameList1[0] \
}
USB_RAM_ADDRESS_ALIGNMENT(64) USB_CONTROLLER_DATA static usb_host_ehci_data_t s_UsbHostEhciData1;
#define USB_HOST_EHCI_DATA_ARRAY \
{ \
&s_UsbHostEhciData1 \
}
#elif(USB_HOST_CONFIG_EHCI == 2U)
USB_RAM_ADDRESS_ALIGNMENT(4096)
USB_CONTROLLER_DATA static uint8_t s_UsbHostEhciFrameList1[USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE * 4];
USB_RAM_ADDRESS_ALIGNMENT(4096)
USB_CONTROLLER_DATA static uint8_t s_UsbHostEhciFrameList2[USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE * 4];
#define USB_HOST_EHCI_FRAME_LIST_ARRAY \
{ \
&s_UsbHostEhciFrameList1[0], &s_UsbHostEhciFrameList2[0] \
}
USB_RAM_ADDRESS_ALIGNMENT(64) USB_CONTROLLER_DATA static usb_host_ehci_data_t s_UsbHostEhciData1;
USB_RAM_ADDRESS_ALIGNMENT(64) USB_CONTROLLER_DATA static usb_host_ehci_data_t s_UsbHostEhciData2;
#define USB_HOST_EHCI_DATA_ARRAY \
{ \
&s_UsbHostEhciData1, &s_UsbHostEhciData2 \
}
#else
#error "Please increase the instance count."
#endif
static uint8_t s_SlotMaxBandwidth[8] = {125, 125, 125, 125, 125, 125, 50, 0};
/*******************************************************************************
* 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_HOST_CONFIG_LOW_POWER_MODE) && (USB_HOST_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
#if ((defined USB_HOST_CONFIG_COMPLIANCE_TEST) && (USB_HOST_CONFIG_COMPLIANCE_TEST))
usb_status_t USB_HostEhciTestSetMode(usb_host_ehci_instance_t *ehciInstance, uint32_t testMode)
{
uint32_t ehciPortSC;
ehciPortSC = ehciInstance->ehciIpBase->PORTSC1;
ehciPortSC &= ~((uint32_t)USBHS_PORTSC1_PTC_MASK); /* clear test mode bits */
ehciPortSC |= (testMode << USBHS_PORTSC1_PTC_SHIFT); /* set test mode bits */
ehciInstance->ehciIpBase->PORTSC1 = ehciPortSC;
return kStatus_USB_Success;
}
static void USB_HostEhciTestSuspendResume(usb_host_ehci_instance_t *ehciInstance)
{
uint8_t timeCount;
timeCount = 15; /* 15s */
while (timeCount--)
{
USB_HostEhciDelay(ehciInstance->ehciIpBase, 1000U);
}
USB_HostEhciSuspendBus(ehciInstance);
timeCount = 15; /* 15s */
while (timeCount--)
{
USB_HostEhciDelay(ehciInstance->ehciIpBase, 1000U);
}
USB_HostEhciResumeBus(ehciInstance);
}
static void USB_HostEhciTestCallback(void *param, usb_host_transfer_t *transfer, usb_status_t status)
{
USB_HostFreeTransfer(param, transfer);
}
static void USB_HostEhciTestSingleStepGetDeviceDesc(usb_host_ehci_instance_t *ehciInstance,
usb_device_handle deviceHandle)
{
usb_host_process_descriptor_param_t getDescriptorParam;
usb_host_device_instance_t *deviceInstance = (usb_host_device_instance_t *)deviceHandle;
usb_host_transfer_t *transfer;
uint8_t timeCount;
/* disable periodic shedule */
USB_HostEhciStopPeriodic(ehciInstance);
timeCount = 15; /* 15s */
while (timeCount--)
{
USB_HostEhciDelay(ehciInstance->ehciIpBase, 1000U);
}
/* malloc one transfer */
if (USB_HostMallocTransfer(ehciInstance->hostHandle, &transfer) != kStatus_USB_Success)
{
#ifdef HOST_ECHO
usb_echo("allocate transfer error\r\n");
#endif
return;
}
getDescriptorParam.descriptorLength = sizeof(usb_descriptor_device_t);
getDescriptorParam.descriptorLength = 18;
getDescriptorParam.descriptorBuffer = (uint8_t *)&deviceInstance->deviceDescriptor;
getDescriptorParam.descriptorType = USB_DESCRIPTOR_TYPE_DEVICE;
getDescriptorParam.descriptorIndex = 0;
getDescriptorParam.languageId = 0;
transfer->callbackFn = USB_HostEhciTestCallback;
transfer->callbackParam = ehciInstance->hostHandle;
transfer->setupPacket->bmRequestType = USB_REQUEST_TYPE_DIR_IN;
transfer->setupPacket->bRequest = USB_REQUEST_STANDARD_GET_DESCRIPTOR;
transfer->setupPacket->wIndex = 0;
transfer->setupPacket->wLength = 0;
transfer->setupPacket->wValue = 0;
USB_HostStandardSetGetDescriptor(deviceInstance, transfer, &getDescriptorParam);
}
static usb_status_t USB_HostEhciSingleStepQtdListInit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer,
uint8_t setupPhase)
{
volatile usb_host_ehci_qh_t *vltQhPointer;
usb_host_ehci_qtd_t *qtdPointer = NULL;
volatile uint32_t *entryPointer;
uint32_t qtdNumber;
uint32_t dataLength;
uint32_t dataAddress;
uint8_t index;
/* compute the qtd number */
qtdNumber = 1;
vltQhPointer = (volatile usb_host_ehci_qh_t *)ehciPipePointer->ehciQh;
/* get qtd list */
USB_HostEhciLock();
if (qtdNumber <= ehciInstance->ehciQtdNumber)
{
ehciInstance->ehciQtdNumber -= qtdNumber;
qtdPointer = NULL;
do
{
if (qtdPointer != NULL)
{
qtdPointer->nextQtdPointer = (uint32_t)ehciInstance->ehciQtdHead;
}
qtdPointer = ehciInstance->ehciQtdHead;
ehciInstance->ehciQtdHead = (usb_host_ehci_qtd_t *)qtdPointer->nextQtdPointer;
qtdPointer->nextQtdPointer = 0;
} while (--qtdNumber);
}
else
{
USB_HostEhciUnlock();
return kStatus_USB_Error;
}
USB_HostEhciUnlock();
/* int qTD */
if (setupPhase == 1) /* setup transaction qtd init */
{
qtdPointer->alternateNextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
/* dt: need set; ioc: 0; C_Page: 0; PID Code: SETUP; Status: Active */
qtdPointer->transferResults[0] = qtdPointer->transferResults[1] = 0;
qtdPointer->transferResults[0] =
((0x00000000 << EHCI_HOST_QTD_DT_SHIFT) | (8 << EHCI_HOST_QTD_TOTAL_BYTES_SHIFT) |
(EHCI_HOST_PID_SETUP << EHCI_HOST_QTD_PID_CODE_SHIFT) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
dataAddress = (uint32_t)(transfer->setupPacket);
qtdPointer->transferResults[1] = dataAddress; /* current offset is set too */
/* set buffer pointer no matter data length */
for (index = 0; index < 4; ++index)
{
qtdPointer->bufferPointers[index] = ((dataAddress + (index + 1) * 4 * 1024) & 0xFFFFF000);
}
}
else if (setupPhase == 2) /* data transaction qtd */
{
dataLength = transfer->transferLength;
if (dataLength != 0)
{
qtdPointer->alternateNextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
/* dt: need set; ioc: 0; C_Page: 0; PID Code: IN/OUT; Status: Active */
qtdPointer->transferResults[0] = qtdPointer->transferResults[1] = 0;
qtdPointer->transferResults[0] =
((0x00000001U << EHCI_HOST_QTD_DT_SHIFT) | (dataLength << EHCI_HOST_QTD_TOTAL_BYTES_SHIFT) |
(EHCI_HOST_PID_IN << EHCI_HOST_QTD_PID_CODE_SHIFT) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
dataAddress = (uint32_t)(transfer->transferBuffer);
qtdPointer->transferResults[1] = dataAddress; /* current offset is set too */
/* set buffer pointer no matter data length */
for (index = 0; index < 4; ++index)
{
qtdPointer->bufferPointers[index] = ((dataAddress + (index + 1) * 4 * 1024) & 0xFFFFF000);
}
}
}
else if (setupPhase == 3)
{
/* status transaction qtd */
qtdPointer->alternateNextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
/* dt: dont care; ioc: 1; C_Page: 0; PID Code: IN/OUT; Status: Active */
qtdPointer->transferResults[0] = qtdPointer->transferResults[1] = 0;
qtdPointer->transferResults[0] =
((0x00000001U << EHCI_HOST_QTD_DT_SHIFT) | (EHCI_HOST_PID_OUT << EHCI_HOST_QTD_PID_CODE_SHIFT) |
(EHCI_HOST_QTD_IOC_MASK) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
qtdPointer->nextQtdPointer |= EHCI_HOST_T_INVALID_VALUE;
}
qtdPointer->nextQtdPointer |= EHCI_HOST_T_INVALID_VALUE;
qtdPointer->transferResults[0] |= EHCI_HOST_QTD_IOC_MASK; /* set IOC */
/* save qtd to transfer */
transfer->union1.unitHead = (uint32_t)qtdPointer;
transfer->union2.unitTail = (uint32_t)qtdPointer;
/* link transfer to qh */
transfer->next = NULL;
if (vltQhPointer->ehciTransferHead == NULL)
{
transfer->next = NULL;
vltQhPointer->ehciTransferHead = vltQhPointer->ehciTransferTail = transfer;
}
else
{
transfer->next = NULL;
vltQhPointer->ehciTransferTail->next = transfer;
vltQhPointer->ehciTransferTail = transfer;
}
USB_HostEhciLock();
/* link qtd to qh (link to end) */
entryPointer = &(vltQhPointer->nextQtdPointer);
dataAddress = *entryPointer; /* dataAddress variable means entry value here */
while ((dataAddress) && (!(dataAddress & EHCI_HOST_T_INVALID_VALUE)))
{
entryPointer = (volatile uint32_t *)dataAddress;
dataAddress = *entryPointer;
}
*entryPointer = (uint32_t)qtdPointer;
USB_HostEhciUnlock();
USB_HostEhciStartAsync(ehciInstance);
return kStatus_USB_Success;
}
static void USB_HostEhciTestSingleStepGetDeviceDescData(usb_host_ehci_instance_t *ehciInstance,
usb_device_handle deviceHandle)
{
static uint8_t buffer[USB_HOST_EHCI_TEST_DESCRIPTOR_LENGTH];
usb_host_device_instance_t *deviceInstance = (usb_host_device_instance_t *)deviceHandle;
usb_host_transfer_t *transfer;
uint8_t timeCount;
USB_HostEhciStopPeriodic(ehciInstance);
if (USB_HostMallocTransfer(ehciInstance->hostHandle, &transfer) != kStatus_USB_Success)
{
return;
}
transfer->callbackFn = USB_HostEhciTestCallback;
transfer->callbackParam = ehciInstance->hostHandle;
transfer->setupPacket->bmRequestType = USB_REQUEST_TYPE_DIR_IN;
transfer->setupPacket->bRequest = USB_REQUEST_STANDARD_GET_DESCRIPTOR;
transfer->setupPacket->wLength = USB_SHORT_TO_LITTLE_ENDIAN(USB_HOST_EHCI_TEST_DESCRIPTOR_LENGTH);
transfer->setupPacket->wValue = USB_SHORT_TO_LITTLE_ENDIAN((uint16_t)((uint16_t)USB_DESCRIPTOR_TYPE_DEVICE << 8));
transfer->setupPacket->wIndex = 0;
USB_HostEhciSingleStepQtdListInit(ehciInstance, (usb_host_ehci_pipe_t *)(deviceInstance->controlPipe), transfer, 1);
timeCount = 15; /* 15s */
while (timeCount--)
{
USB_HostEhciDelay(ehciInstance->ehciIpBase, 1000U);
}
if (USB_HostMallocTransfer(ehciInstance->hostHandle, &transfer) != kStatus_USB_Success)
{
return;
}
transfer->callbackFn = USB_HostEhciTestCallback;
transfer->callbackParam = ehciInstance->hostHandle;
transfer->transferBuffer = buffer;
transfer->transferLength = USB_HOST_EHCI_TEST_DESCRIPTOR_LENGTH;
USB_HostEhciSingleStepQtdListInit(ehciInstance, (usb_host_ehci_pipe_t *)(deviceInstance->controlPipe), transfer, 2);
if (USB_HostMallocTransfer(ehciInstance->hostHandle, &transfer) != kStatus_USB_Success)
{
return;
}
transfer->callbackFn = USB_HostEhciTestCallback;
transfer->callbackParam = ehciInstance->hostHandle;
transfer->transferBuffer = NULL;
transfer->transferLength = 0;
USB_HostEhciSingleStepQtdListInit(ehciInstance, (usb_host_ehci_pipe_t *)(deviceInstance->controlPipe), transfer, 3);
timeCount = 15; /* 15s */
while (timeCount--)
{
USB_HostEhciDelay(ehciInstance->ehciIpBase, 1000U);
}
usb_echo("test_single_step_get_dev_desc_data finished\r\n");
return;
}
void USB_HostEhciTestModeInit(usb_device_handle deviceHandle)
{
uint32_t productId;
usb_host_device_instance_t *deviceInstance = (usb_host_device_instance_t *)deviceHandle;
usb_host_ehci_instance_t *ehciInstance =
(usb_host_ehci_instance_t *)(((usb_host_instance_t *)(deviceInstance->hostHandle))->controllerHandle);
USB_HostHelperGetPeripheralInformation(deviceHandle, kUSB_HostGetDevicePID, &productId);
usb_echo("usb host ehci test mode init product id:0x%x\r\n", productId);
switch (productId)
{
case 0x0101U:
USB_HostEhciTestSetMode(ehciInstance, USB_HOST_EHCI_PORTSC_PTC_SE0_NAK);
break;
case 0x0102U:
USB_HostEhciTestSetMode(ehciInstance, USB_HOST_EHCI_PORTSC_PTC_J_STATE);
break;
case 0x0103U:
USB_HostEhciTestSetMode(ehciInstance, USB_HOST_EHCI_PORTSC_PTC_K_STATE);
break;
case 0x0104U:
USB_HostEhciTestSetMode(ehciInstance, USB_HOST_EHCI_PORTSC_PTC_PACKET);
break;
case 0x0105U:
usb_echo("set test mode FORCE_ENALBE_HS\r\n");
USB_HostEhciTestSetMode(ehciInstance, USB_HOST_EHCI_PORTSC_PTC_FORCE_ENABLE_HS);
break;
case 0x0106U:
USB_HostEhciTestSuspendResume(ehciInstance);
break;
case 0x0107U:
usb_echo("start test SINGLE_STEP_GET_DEV_DESC\r\n");
USB_HostEhciTestSingleStepGetDeviceDesc(ehciInstance, deviceHandle);
break;
case 0x0108U:
usb_echo("start test SINGLE_STEP_GET_DEV_DESC_DATA\r\n");
USB_HostEhciTestSingleStepGetDeviceDescData(ehciInstance, deviceHandle);
break;
default:
break;
}
return;
}
static void USB_HostEhciSuspendBus(usb_host_ehci_instance_t *ehciInstance)
{
uint32_t ehciPortSC;
USB_HostEhciLock();
ehciPortSC = ehciInstance->ehciIpBase->PORTSC1;
if (ehciPortSC & USBHS_PORTSC1_PE_MASK)
{
ehciPortSC = ehciInstance->ehciIpBase->PORTSC1;
ehciPortSC &= (uint32_t)(~EHCI_PORTSC1_W1_BITS);
ehciInstance->ehciIpBase->PORTSC1 = (ehciPortSC | USBHS_PORTSC1_SUSP_MASK);
}
USB_HostEhciUnlock();
}
static void USB_HostEhciResumeBus(usb_host_ehci_instance_t *ehciInstance)
{
uint32_t ehciPortSC;
USB_HostEhciLock();
/* Resume port */
ehciPortSC = ehciInstance->ehciIpBase->PORTSC1;
if (ehciPortSC & USBHS_PORTSC1_PE_MASK)
{
ehciPortSC &= (uint32_t)(~EHCI_PORTSC1_W1_BITS);
ehciInstance->ehciIpBase->PORTSC1 = (ehciPortSC | USBHS_PORTSC1_FPR_MASK);
}
USB_HostEhciUnlock();
}
#endif
static uint32_t USB_HostBandwidthComputeTime(uint8_t speed, uint8_t pipeType, uint8_t direction, uint32_t dataLength)
{
uint32_t result = (3167 + ((1000 * dataLength) * 7U * 8U / 6U)) / 1000;
if (pipeType == USB_ENDPOINT_ISOCHRONOUS) /* iso */
{
if (speed == USB_SPEED_HIGH)
{
result = 38 * 8 * 2083 + 2083 * result + USB_HOST_EHCI_BANDWIDTH_DELAY;
}
else if (speed == USB_SPEED_FULL)
{
if (direction == USB_IN)
{
result = 7268000 + 83540 * result + USB_HOST_EHCI_BANDWIDTH_DELAY;
}
else
{
result = 6265000 + 83540 * result + USB_HOST_EHCI_BANDWIDTH_DELAY;
}
}
else
{
}
}
else /* interrupt */
{
if (speed == USB_SPEED_HIGH)
{
result = 55 * 8 * 2083 + 2083 * result + USB_HOST_EHCI_BANDWIDTH_DELAY;
}
else if (speed == USB_SPEED_FULL)
{
result = 9107000 + 83540 * result + USB_HOST_EHCI_BANDWIDTH_DELAY;
}
else if (speed == USB_SPEED_LOW)
{
if (direction == USB_IN)
{
result = 64060000 + 2000 * USB_HOST_EHCI_BANDWIDTH_HUB_LS_SETUP + 676670 * result +
USB_HOST_EHCI_BANDWIDTH_DELAY;
}
else
{
result = 6265000 + 83540 * result + USB_HOST_EHCI_BANDWIDTH_DELAY;
}
}
else
{
}
}
result /= 1000000;
if (result == 0)
{
result = 1;
}
return result;
}
static void USB_HostBandwidthFslsHostComputeCurrent(usb_host_ehci_instance_t *ehciInstance,
uint16_t frameIndex,
uint16_t *frameBandwidth)
{
usb_host_ehci_pipe_t *ehciPipePointer;
/* clear the bandwidth */
*frameBandwidth = 0;
ehciPipePointer = ehciInstance->ehciRunningPipeList;
while (ehciPipePointer != NULL)
{
/* only compute iso and interrupt pipe */
if ((ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_ISOCHRONOUS) ||
(ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_INTERRUPT))
{
/* does pipe allocate bandwidth in frameIndex frame? note: interval is power of 2. */
if ((frameIndex >= ehciPipePointer->startFrame) &&
(!((uint32_t)(frameIndex - ehciPipePointer->startFrame) &
(uint32_t)(ehciPipePointer->pipeCommon.interval - 1))))
{
*frameBandwidth += ehciPipePointer->dataTime;
}
}
ehciPipePointer = (usb_host_ehci_pipe_t *)ehciPipePointer->pipeCommon.next;
}
}
static void USB_HostBandwidthHsHostComputeCurrentFsls(usb_host_ehci_instance_t *ehciInstance,
uint32_t hubNumber,
uint16_t frameIndex,
uint8_t frameBandwidths[8])
{
usb_host_ehci_pipe_t *ehciPipePointer;
uint8_t index;
uint32_t deviceInfo;
for (index = 0; index < 8; ++index)
{
frameBandwidths[index] = 0;
}
ehciPipePointer = ehciInstance->ehciRunningPipeList;
while (ehciPipePointer != NULL)
{
/* only compute iso and interrupt pipe */
if ((ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_ISOCHRONOUS) ||
(ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_INTERRUPT))
{
/* compute FS/LS bandwidth that blong to same high-speed hub, because FS/LS bandwidth is allocated from
* first parent high-speed hub */
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle,
kUSB_HostGetDeviceHSHubNumber, &deviceInfo);
if (deviceInfo != hubNumber)
{
ehciPipePointer = (usb_host_ehci_pipe_t *)ehciPipePointer->pipeCommon.next;
continue;
}
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed,
&deviceInfo);
if (deviceInfo == USB_SPEED_HIGH)
{
ehciPipePointer = (usb_host_ehci_pipe_t *)ehciPipePointer->pipeCommon.next;
continue;
}
/* does pipe allocate bandwidth in frameIndex frame? note: interval is power of 2. */
if ((frameIndex >= ehciPipePointer->startFrame) &&
(!((uint32_t)(frameIndex - ehciPipePointer->startFrame) &
(uint32_t)(ehciPipePointer->pipeCommon.interval - 1))))
{
if (ehciPipePointer->pipeCommon.pipeType ==
USB_ENDPOINT_ISOCHRONOUS) /* iso bandwidth is allocated once */
{
frameBandwidths[ehciPipePointer->startUframe + 1] += ehciPipePointer->dataTime;
}
else /* iso bandwidth is allocated three times */
{
frameBandwidths[ehciPipePointer->startUframe + 1] += ehciPipePointer->dataTime;
frameBandwidths[ehciPipePointer->startUframe + 2] += ehciPipePointer->dataTime;
frameBandwidths[ehciPipePointer->startUframe + 3] += ehciPipePointer->dataTime;
}
}
}
ehciPipePointer = (usb_host_ehci_pipe_t *)ehciPipePointer->pipeCommon.next;
}
for (index = 0; index < 7; ++index) /* */
{
if (frameBandwidths[index] > s_SlotMaxBandwidth[index])
{
frameBandwidths[index + 1] += (frameBandwidths[index] - s_SlotMaxBandwidth[index]);
frameBandwidths[index] = s_SlotMaxBandwidth[index];
}
}
}
static void USB_HostBandwidthHsHostComputeCurrentHsAll(usb_host_ehci_instance_t *ehciInstance,
uint16_t frameIndex,
uint8_t frameBandwidths[8])
{
usb_host_ehci_pipe_t *ehciPipePointer;
uint8_t index;
uint32_t deviceInfo;
uint16_t frameInterval;
for (index = 0; index < 8; ++index)
{
frameBandwidths[index] = 0;
}
ehciPipePointer = ehciInstance->ehciRunningPipeList;
while (ehciPipePointer != NULL)
{
/* only compute iso and interrupt pipe */
if ((ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_ISOCHRONOUS) ||
(ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_INTERRUPT))
{
frameInterval = ehciPipePointer->pipeCommon.interval;
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed,
&deviceInfo);
if (deviceInfo == USB_SPEED_HIGH) /* high-speed data bandwidth */
{
/* frameInterval means micro-frame here */
if (frameIndex >= ehciPipePointer->startFrame)
{
if ((frameInterval > 8) &&
(frameIndex * 8 - ehciPipePointer->startFrame * 8 >= ehciPipePointer->startUframe))
{
if (!((uint32_t)(frameIndex * 8 - ehciPipePointer->startFrame * 8 -
ehciPipePointer->startUframe) &
(uint32_t)(frameInterval - 1)))
{
frameBandwidths[ehciPipePointer->startUframe] += ehciPipePointer->dataTime;
}
}
else
{
for (index = ehciPipePointer->startUframe; index < 8; index += frameInterval)
{
frameBandwidths[index] += ehciPipePointer->dataTime;
}
}
}
}
else /* full-speed split bandwidth */
{
if ((frameIndex >= ehciPipePointer->startFrame) &&
(!((uint32_t)(frameIndex - ehciPipePointer->startFrame) & (uint32_t)(frameInterval - 1))))
{
for (index = 0; index < 8; ++index)
{
if ((uint32_t)(ehciPipePointer->uframeSmask) &
(uint32_t)(0x01 << index)) /* start-split micro-frames */
{
frameBandwidths[index] += ehciPipePointer->startSplitTime;
}
if ((uint32_t)(ehciPipePointer->uframeCmask) &
(uint32_t)(0x01 << index)) /* complete-split micro-frames */
{
frameBandwidths[index] += ehciPipePointer->completeSplitTime;
}
}
}
}
}
ehciPipePointer = (usb_host_ehci_pipe_t *)ehciPipePointer->pipeCommon.next;
}
for (index = 0; index < 7; ++index) /* */
{
if (frameBandwidths[index] > s_SlotMaxBandwidth[index])
{
frameBandwidths[index + 1] += (frameBandwidths[index] - s_SlotMaxBandwidth[index]);
frameBandwidths[index] = s_SlotMaxBandwidth[index];
}
}
}
/*!
* @brief allocate HS bandwidth when host work as high-speed host.
*
* @param ehciInstance ehci instance pointer.
* @param uframeInterval micro-frame interval.
* @param timeData time for allocating.
* @param uframeIndexOut return start uframe index.
*
* @return kStatus_USB_Success or error codes.
*/
static usb_status_t USB_HostBandwidthHsHostAllocateHsCommon(usb_host_ehci_instance_t *ehciInstance,
uint16_t uframeInterval,
uint16_t timeData,
uint16_t *uframeIndexOut)
{
uint16_t uframeIntervalIndex;
uint16_t uframeIndex;
uint16_t frameIndex;
uint8_t frameTimes[8];
frameIndex = 0;
USB_HostBandwidthHsHostComputeCurrentHsAll(
ehciInstance, frameIndex, frameTimes); /* compute the allocated bandwidths in the frameIndex frame */
for (uframeIntervalIndex = 0; (uframeIntervalIndex < uframeInterval); ++uframeIntervalIndex) /* start micro-frame */
{
/* for all the micro-frame in interval uframeInterval */
for (uframeIndex = uframeIntervalIndex; uframeIndex < (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE * 8);
uframeIndex += uframeInterval)
{
if (frameIndex != (uframeIndex >> 3))
{
frameIndex = (uframeIndex >> 3);
USB_HostBandwidthHsHostComputeCurrentHsAll(
ehciInstance, frameIndex,
frameTimes); /* compute the allocated bandwidths in the new frameIndex frame */
}
if (frameTimes[uframeIndex & 0x0007] + timeData >
s_SlotMaxBandwidth[(uframeIndex & 0x0007)]) /* micro-frame has enough idle bandwidth? */
{
break; /* fail */
}
}
if (uframeIndex >= (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE * 8)) /* success? */
{
break;
}
}
if (uframeIntervalIndex < uframeInterval)
{
*uframeIndexOut = (uframeIntervalIndex);
return kStatus_USB_Success;
}
else
{
return kStatus_USB_Error;
}
}
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
static usb_status_t USB_HostBandwidthHsHostAllocateIso(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_status_t status;
uint32_t deviceInfo;
uint32_t hubNumber;
uint16_t uframeIntervalIndex = 0;
uint16_t frameIntervalIndex = 0;
uint16_t frameIndex;
uint16_t timeCompleteSplit;
uint16_t timeStartSplit;
uint32_t timeData;
uint8_t SsCsNumber = 0;
uint16_t frameInterval;
uint8_t frameTimes[8];
uint8_t allocateOk = 1;
uint8_t index;
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed,
&deviceInfo);
timeData = USB_HostBandwidthComputeTime(
deviceInfo, USB_ENDPOINT_ISOCHRONOUS, ehciPipePointer->pipeCommon.direction,
ehciPipePointer->pipeCommon.maxPacketSize * ehciPipePointer->pipeCommon.numberPerUframe);
/* pipe is high-speed */
if (deviceInfo == USB_SPEED_HIGH)
{
uframeIntervalIndex = 0;
status = USB_HostBandwidthHsHostAllocateHsCommon(ehciInstance, ehciPipePointer->uframeInterval, timeData,
&uframeIntervalIndex);
if (status == kStatus_USB_Success)
{
ehciPipePointer->startFrame = (uframeIntervalIndex / 8);
ehciPipePointer->startUframe = (uframeIntervalIndex & 0x0007);
ehciPipePointer->dataTime = timeData;
return kStatus_USB_Success;
}
}
else /* pipe is full-speed or low-speed */
{
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetHubThinkTime,
&deviceInfo); /* deviceInfo variable means hub think time */
timeData += (deviceInfo * 7 / (6 * 12));
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceHSHubNumber,
&hubNumber);
frameInterval = ehciPipePointer->pipeCommon.interval;
/* compute start-split and complete-split bandwidth */
if (ehciPipePointer->pipeCommon.direction == USB_OUT)
{
timeStartSplit = USB_HostBandwidthComputeTime(USB_SPEED_HIGH, USB_ENDPOINT_ISOCHRONOUS, USB_OUT,
ehciPipePointer->pipeCommon.maxPacketSize);
timeCompleteSplit = 0;
}
else
{
timeStartSplit = USB_HostBandwidthComputeTime(USB_SPEED_HIGH, USB_ENDPOINT_ISOCHRONOUS, USB_IN, 1);
timeCompleteSplit = USB_HostBandwidthComputeTime(USB_SPEED_HIGH, USB_ENDPOINT_ISOCHRONOUS, USB_IN,
ehciPipePointer->pipeCommon.maxPacketSize);
}
/* note: bandwidth must put in one frame */
for (uframeIntervalIndex = 0; uframeIntervalIndex <= 5; ++uframeIntervalIndex) /* uframe interval */
{
for (frameIntervalIndex = 0; frameIntervalIndex < frameInterval; ++frameIntervalIndex) /* frame interval */
{
allocateOk = 1;
for (frameIndex = frameIntervalIndex; frameIndex < USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE;
frameIndex += frameInterval) /* check all the frames */
{
/* compute start-split and complete-split number */
SsCsNumber = (ehciPipePointer->pipeCommon.maxPacketSize + 187) /
188; /* ss number for iso out; cs number for iso in */
if (ehciPipePointer->pipeCommon.direction == USB_OUT) /* ISO OUT */
{
if (uframeIntervalIndex + SsCsNumber > 8)
{
allocateOk = 0;
}
}
else
{
if (uframeIntervalIndex + 2 + SsCsNumber >
8) /* ISO IN: there are two micro-frame interval between start-split and complete-split */
{
allocateOk = 0;
}
}
if (allocateOk)
{
/* allocate start-split and complete-split bandwidth */
USB_HostBandwidthHsHostComputeCurrentHsAll(ehciInstance, frameIndex, frameTimes);
if (ehciPipePointer->pipeCommon.direction == USB_OUT) /* ISO OUT */
{
index = uframeIntervalIndex;
for (; index < (uframeIntervalIndex + SsCsNumber); ++index)
{
if (frameTimes[index] + timeStartSplit > s_SlotMaxBandwidth[index])
{
allocateOk = 0;
break;
}
}
}
else /* ISO IN */
{
index = uframeIntervalIndex;
if (frameTimes[index] + timeStartSplit > s_SlotMaxBandwidth[index])
{
allocateOk = 0;
}
if (allocateOk)
{
index =
uframeIntervalIndex +
2; /* there are two micro-frames interval between start-split and complete-split */
for (; index < (uframeIntervalIndex + 2 + SsCsNumber); ++index)
{
if (frameTimes[index] + timeCompleteSplit > s_SlotMaxBandwidth[index])
{
allocateOk = 0;
break;
}
}
}
}
}
/* allocate data bandwidth */
if (allocateOk)
{
USB_HostBandwidthHsHostComputeCurrentFsls(ehciInstance, hubNumber, frameIndex, frameTimes);
index = uframeIntervalIndex + 1; /* timeData bandwidth start position */
/* iso must occupy all the uframe bandwidth */
{
deviceInfo = timeData; /* note: deviceInfo variable means bandwidth here */
while ((index < 8) && (deviceInfo > s_SlotMaxBandwidth[index]))
{
if (frameTimes[index] > 0)
{
allocateOk = 0;
break;
}
else
{
deviceInfo -= s_SlotMaxBandwidth[index];
}
++index;
}
}
}
if (allocateOk)
{
/* data bandwidth can be put in the frame? */
index = uframeIntervalIndex + 1; /* timeData bandwidth start position */
frameTimes[index] += timeData;
for (; index < 7; ++index)
{
if (frameTimes[index] > s_SlotMaxBandwidth[index])
{
frameTimes[index + 1] += (frameTimes[index] - s_SlotMaxBandwidth[index]);
frameTimes[index] = s_SlotMaxBandwidth[index];
}
else
{
break;
}
}
if (frameTimes[index] > s_SlotMaxBandwidth[index])
{
allocateOk = 0;
}
}
if (allocateOk)
{
break;
}
}
if (allocateOk)
{
break;
}
}
if (allocateOk)
{
break;
}
}
if (allocateOk)
{
ehciPipePointer->startFrame = frameIntervalIndex;
ehciPipePointer->startUframe = uframeIntervalIndex;
ehciPipePointer->dataTime = timeData;
ehciPipePointer->startSplitTime = timeStartSplit;
ehciPipePointer->completeSplitTime = timeCompleteSplit;
if (ehciPipePointer->pipeCommon.direction == USB_OUT)
{
index = uframeIntervalIndex;
for (; index < (uframeIntervalIndex + SsCsNumber); ++index)
{
ehciPipePointer->uframeSmask = (uint32_t)ehciPipePointer->uframeSmask | (uint32_t)(0x01 << index);
}
}
else
{
index = uframeIntervalIndex;
ehciPipePointer->uframeSmask = (uint32_t)ehciPipePointer->uframeSmask | (uint32_t)(0x01 << index);
index = uframeIntervalIndex + 2;
for (; index < (uframeIntervalIndex + 2 + SsCsNumber); ++index)
{
ehciPipePointer->uframeCmask = (uint32_t)ehciPipePointer->uframeCmask | (uint32_t)(0x01 << index);
}
}
return kStatus_USB_Success;
}
}
return kStatus_USB_Error;
}
#endif
static usb_status_t USB_HostBandwidthHsHostAllocateInterrupt(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_status_t status;
uint32_t deviceInfo;
uint32_t hubNumber;
uint16_t uframeIntervalIndex = 0;
uint16_t frameIntervalIndex = 0;
uint16_t frameIndex;
uint16_t timeCompleteSplit;
uint16_t timeStartSplit;
uint32_t timeData;
uint8_t SsCsNumber;
uint16_t frameInterval;
uint8_t frameTimes[8];
uint8_t allocateOk = 1;
uint8_t index;
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed,
&deviceInfo);
timeData = USB_HostBandwidthComputeTime(
deviceInfo, USB_ENDPOINT_INTERRUPT, ehciPipePointer->pipeCommon.direction,
ehciPipePointer->pipeCommon.maxPacketSize * ehciPipePointer->pipeCommon.numberPerUframe);
/* pipe is high-speed */
if (deviceInfo == USB_SPEED_HIGH)
{
uframeIntervalIndex = 0;
status = USB_HostBandwidthHsHostAllocateHsCommon(ehciInstance, ehciPipePointer->uframeInterval, timeData,
&uframeIntervalIndex);
if (status == kStatus_USB_Success)
{
ehciPipePointer->startFrame = (uframeIntervalIndex / 8);
ehciPipePointer->startUframe = (uframeIntervalIndex & 0x0007);
/* for HS interrupt start transaction position */
if (ehciPipePointer->uframeInterval >= 8)
{
ehciPipePointer->uframeSmask = (0x01 << ehciPipePointer->startUframe);
}
else
{
ehciPipePointer->uframeSmask = 0x00u;
for (index = ehciPipePointer->startUframe; index < 8; index += ehciPipePointer->uframeInterval)
{
ehciPipePointer->uframeSmask |= (0x01U << index);
}
}
ehciPipePointer->dataTime = timeData;
return kStatus_USB_Success;
}
}
else /* pipe is full-speed or low-speed */
{
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetHubThinkTime,
&deviceInfo);
timeData += (deviceInfo * 7 / (6 * 12));
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceHSHubNumber,
&hubNumber);
frameInterval = ehciPipePointer->pipeCommon.interval;
SsCsNumber = 3; /* complete split number */
/* compute start-split and complete-split bandwidth */
if (ehciPipePointer->pipeCommon.direction == USB_OUT)
{
timeStartSplit = USB_HostBandwidthComputeTime(USB_SPEED_HIGH, USB_ENDPOINT_INTERRUPT, USB_OUT,
ehciPipePointer->pipeCommon.maxPacketSize) +
USB_HostBandwidthComputeTime(USB_SPEED_HIGH, USB_ENDPOINT_INTERRUPT, USB_OUT, 1);
timeCompleteSplit = USB_HostBandwidthComputeTime(USB_SPEED_HIGH, USB_ENDPOINT_INTERRUPT, USB_OUT, 0);
}
else
{
timeStartSplit = USB_HostBandwidthComputeTime(USB_SPEED_HIGH, USB_ENDPOINT_INTERRUPT, USB_IN, 1);
timeCompleteSplit = USB_HostBandwidthComputeTime(USB_SPEED_HIGH, USB_ENDPOINT_INTERRUPT, USB_IN,
ehciPipePointer->pipeCommon.maxPacketSize) +
USB_HostBandwidthComputeTime(USB_SPEED_HIGH, USB_ENDPOINT_INTERRUPT, USB_IN, 0);
}
/* note: bandwidth must put in one frame */
for (uframeIntervalIndex = 0; uframeIntervalIndex <= 4; ++uframeIntervalIndex) /* uframe interval */
{
for (frameIntervalIndex = 0; frameIntervalIndex < frameInterval; ++frameIntervalIndex) /* frame interval */
{
allocateOk = 1;
for (frameIndex = frameIntervalIndex; frameIndex < USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE;
frameIndex += frameInterval) /* check all the frames */
{
/* allocate data bandwidth */
USB_HostBandwidthHsHostComputeCurrentFsls(ehciInstance, hubNumber, frameIndex, frameTimes);
index = uframeIntervalIndex + 1;
for (; index <= (uframeIntervalIndex + 3); ++index) /* data bandwidth number is 3.
uframeIntervalIndex don't exceed 4, so
index cannot exceed 7 */
{
if (frameTimes[index] + timeData > s_SlotMaxBandwidth[index])
{
allocateOk = 0;
break;
}
}
if (allocateOk)
{
USB_HostBandwidthHsHostComputeCurrentHsAll(ehciInstance, frameIndex, frameTimes);
/* allocate start_split bandwidth */
if (frameTimes[uframeIntervalIndex] + timeStartSplit > s_SlotMaxBandwidth[uframeIntervalIndex])
{
allocateOk = 0;
}
if (allocateOk)
{
/* allocate complete_split bandwidth */
index = uframeIntervalIndex + 2;
/* complete-split number is normal 3. When uframeIntervalIndex is 4, complete-split number
* is 2. */
for (; (index <= (uframeIntervalIndex + 1 + SsCsNumber)) && (index < 8); ++index)
{
if (frameTimes[index] + timeCompleteSplit > s_SlotMaxBandwidth[index])
{
allocateOk = 0;
break;
}
}
}
}
if (!allocateOk)
{
break; /* allocate fail */
}
}
if (allocateOk)
{
break;
}
}
if (allocateOk)
{
break;
}
}
if (allocateOk)
{
ehciPipePointer->startFrame = frameIntervalIndex;
ehciPipePointer->startUframe = uframeIntervalIndex;
ehciPipePointer->uframeSmask = (0x01 << ehciPipePointer->startUframe);
ehciPipePointer->uframeCmask = 0;
index = uframeIntervalIndex + 2;
for (; (index <= (uframeIntervalIndex + 1 + SsCsNumber)) && (index < 8); ++index)
{
ehciPipePointer->uframeCmask = (uint32_t)ehciPipePointer->uframeCmask | (uint32_t)(0x01 << index);
}
ehciPipePointer->dataTime = timeData;
ehciPipePointer->startSplitTime = timeStartSplit;
ehciPipePointer->completeSplitTime = timeCompleteSplit;
return kStatus_USB_Success;
}
}
return kStatus_USB_BandwidthFail;
}
static usb_status_t USB_HostBandwidthFslsHostAllocate(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
uint32_t FslsTime = 0;
uint32_t speed = 0;
uint16_t uframeIntervalIndex;
uint16_t frameIndex;
uint16_t frameInterval;
uint16_t frameTime;
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetHubThinkTime,
&FslsTime);
FslsTime += (FslsTime * 7 / (6 * 12));
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed, &speed);
FslsTime = FslsTime + USB_HostBandwidthComputeTime(speed, ehciPipePointer->pipeCommon.pipeType,
ehciPipePointer->pipeCommon.direction,
ehciPipePointer->pipeCommon.maxPacketSize);
frameInterval = ehciPipePointer->pipeCommon.interval;
for (uframeIntervalIndex = 0; uframeIntervalIndex < ehciPipePointer->uframeInterval;
++uframeIntervalIndex) /* uframeIntervalIndex can exceed 8 */
{
for (frameIndex = (uframeIntervalIndex >> 3); frameIndex < USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE;
frameIndex += frameInterval)
{
USB_HostBandwidthFslsHostComputeCurrent(ehciInstance, frameIndex, &frameTime);
if (frameTime + FslsTime > USB_HOST_EHCI_BANDWIDTH_FRAME_TOTOAL_TIME)
{
break;
}
}
if (frameIndex >= USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE)
{
break;
}
}
if (uframeIntervalIndex < ehciPipePointer->uframeInterval)
{
ehciPipePointer->startFrame = (uframeIntervalIndex >> 3);
ehciPipePointer->startUframe = (uframeIntervalIndex & 0x0007);
ehciPipePointer->uframeSmask = 0; /* useless */
ehciPipePointer->uframeCmask = 0;
ehciPipePointer->dataTime = FslsTime;
return kStatus_USB_Success;
}
return kStatus_USB_BandwidthFail;
}
static uint8_t USB_HostEhciGet2PowerValue(uint8_t value)
{
if ((value == 0) || (value == 1))
{
return value;
}
if (value & 0xf0)
{
if (value & 0x80)
{
return 128;
}
else if (value & 0x40)
{
return 64;
}
else if (value & 0x20)
{
return 32;
}
else
{
return 16;
}
}
else
{
if (value & 0x08)
{
return 8;
}
else if (value & 0x04)
{
return 4;
}
else if (value & 0x02)
{
return 2;
}
else
{
return 1;
}
}
}
static void USB_HostEhciZeroMem(uint32_t *buffer, uint32_t length)
{
/* note: the zero unit is uint32_t */
while (length--)
{
*buffer = 0;
buffer++;
}
}
static void USB_HostEhciDelay(USBHS_Type *ehciIpBase, uint32_t ms)
{
/* note: the max delay time cannot exceed half of max value (0x4000) */
int32_t sofStart;
int32_t SofEnd;
uint32_t distance;
sofStart = (int32_t)(ehciIpBase->FRINDEX & EHCI_MAX_UFRAME_VALUE);
do
{
SofEnd = (int32_t)(ehciIpBase->FRINDEX & EHCI_MAX_UFRAME_VALUE);
distance = (uint32_t)(SofEnd - sofStart + EHCI_MAX_UFRAME_VALUE + 1);
} while ((distance & EHCI_MAX_UFRAME_VALUE) < (ms * 8)); /* compute the distance between sofStart and SofEnd */
}
static void USB_HostEhciStartAsync(usb_host_ehci_instance_t *ehciInstance)
{
uint32_t stateSync;
if (!(ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_AS_MASK))
{
/* the status must be same when change USBCMD->ASE */
do
{
stateSync = ((ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_AS_MASK) |
(ehciInstance->ehciIpBase->USBCMD & USBHS_USBCMD_ASE_MASK));
} while ((stateSync == USBHS_USBSTS_AS_MASK) || (stateSync == USBHS_USBCMD_ASE_MASK));
ehciInstance->ehciIpBase->ASYNCLISTADDR = (uint32_t)(ehciInstance->shedFirstQh);
ehciInstance->ehciIpBase->USBCMD |= USBHS_USBCMD_ASE_MASK;
while (!(ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_AS_MASK))
{
}
}
}
static void USB_HostEhciStopAsync(usb_host_ehci_instance_t *ehciInstance)
{
uint32_t stateSync;
/* the status must be same when change USBCMD->ASE */
do
{
stateSync = ((ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_AS_MASK) |
(ehciInstance->ehciIpBase->USBCMD & USBHS_USBCMD_ASE_MASK));
} while ((stateSync == USBHS_USBSTS_AS_MASK) || (stateSync == USBHS_USBCMD_ASE_MASK));
ehciInstance->ehciIpBase->USBCMD &= (uint32_t)(~(uint32_t)USBHS_USBCMD_ASE_MASK); /* disable async schedule */
while (ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_AS_MASK)
{
}
}
static void USB_HostEhciStartPeriodic(usb_host_ehci_instance_t *ehciInstance)
{
uint32_t stateSync;
if (!(ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_PS_MASK))
{
/* the status must be same when change USBCMD->PSE */
do
{
stateSync = ((ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_PS_MASK) |
(ehciInstance->ehciIpBase->USBCMD & USBHS_USBCMD_PSE_MASK));
} while ((stateSync == USBHS_USBSTS_PS_MASK) || (stateSync == USBHS_USBCMD_PSE_MASK));
ehciInstance->ehciIpBase->PERIODICLISTBASE = (uint32_t)(ehciInstance->ehciFrameList);
if (!(ehciInstance->ehciIpBase->USBCMD & USBHS_USBCMD_PSE_MASK))
{
ehciInstance->ehciIpBase->USBCMD |= USBHS_USBCMD_PSE_MASK; /* start periodic schedule */
}
while (!(ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_PS_MASK))
{
}
}
return;
}
static void USB_HostEhciStopPeriodic(usb_host_ehci_instance_t *ehciInstance)
{
uint32_t stateSync;
/* the status must be same when change USBCMD->PSE */
do
{
stateSync = ((ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_PS_MASK) |
(ehciInstance->ehciIpBase->USBCMD & USBHS_USBCMD_PSE_MASK));
} while ((stateSync == USBHS_USBSTS_PS_MASK) || (stateSync == USBHS_USBCMD_PSE_MASK));
ehciInstance->ehciIpBase->USBCMD &= (~USBHS_USBCMD_PSE_MASK); /* stop periodic schedule */
while (ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_PS_MASK)
{
}
}
static usb_status_t USB_HostEhciQhQtdListInit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer)
{
volatile usb_host_ehci_qh_t *vltQhPointer;
usb_host_ehci_qtd_t *qtdPointer = NULL;
usb_host_ehci_qtd_t *BaseQtdPointer = NULL;
volatile uint32_t *entryPointer;
uint32_t qtdNumber;
uint32_t dataLength;
uint32_t dataAddress;
uint32_t endAddress;
uint8_t index;
/* compute the qtd number */
if (ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_CONTROL)
{
/* assume setup data don't exceed one qtd data size, one qtd can transfer least 16k data */
if (transfer->transferLength == 0)
{
qtdNumber = 2;
}
else
{
qtdNumber = 3;
}
}
else
{
qtdNumber =
(((transfer->transferLength) & 0xFFFFC000U) >> 14) + (((transfer->transferLength) & 0x00003FFF) ? 1 : 0);
}
vltQhPointer = (volatile usb_host_ehci_qh_t *)ehciPipePointer->ehciQh;
/* get qtd list */
USB_HostEhciLock();
if (qtdNumber <= ehciInstance->ehciQtdNumber)
{
ehciInstance->ehciQtdNumber -= qtdNumber;
BaseQtdPointer = ehciInstance->ehciQtdHead;
qtdPointer = NULL;
do
{
if (qtdPointer != NULL)
{
qtdPointer->nextQtdPointer = (uint32_t)ehciInstance->ehciQtdHead;
}
qtdPointer = ehciInstance->ehciQtdHead;
ehciInstance->ehciQtdHead = (usb_host_ehci_qtd_t *)qtdPointer->nextQtdPointer;
qtdPointer->nextQtdPointer = 0;
} while (--qtdNumber);
if (ehciInstance->ehciQtdNumber == 0)
{
ehciInstance->ehciQtdTail = NULL;
}
}
else
{
USB_HostEhciUnlock();
return kStatus_USB_Error;
}
USB_HostEhciUnlock();
/* int qTD list */
if (ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_CONTROL)
{
/* setup transaction qtd */
qtdPointer = BaseQtdPointer;
qtdPointer->alternateNextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
/* dt: need set; ioc: 0; C_Page: 0; PID Code: SETUP; Status: Active */
qtdPointer->transferResults[0] = qtdPointer->transferResults[1] = 0;
qtdPointer->transferResults[0] =
((0x00000000 << EHCI_HOST_QTD_DT_SHIFT) | (8 << EHCI_HOST_QTD_TOTAL_BYTES_SHIFT) |
(EHCI_HOST_PID_SETUP << EHCI_HOST_QTD_PID_CODE_SHIFT) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
dataAddress = ((uint32_t)transfer->setupPacket);
qtdPointer->transferResults[1] = dataAddress; /* current offset is set too */
/* set buffer pointer no matter data length */
for (index = 0; index < 4; ++index)
{
qtdPointer->bufferPointers[index] = ((dataAddress + (index + 1) * 4 * 1024) & 0xFFFFF000U);
}
/* data transaction qtd */
dataLength = transfer->transferLength;
if (dataLength != 0)
{
qtdPointer = (usb_host_ehci_qtd_t *)(qtdPointer->nextQtdPointer);
qtdPointer->alternateNextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
/* dt: need set; ioc: 0; C_Page: 0; PID Code: IN/OUT; Status: Active */
qtdPointer->transferResults[0] = qtdPointer->transferResults[1] = 0;
if (transfer->direction == USB_OUT)
{
qtdPointer->transferResults[0] =
((0x00000001U << EHCI_HOST_QTD_DT_SHIFT) | (dataLength << EHCI_HOST_QTD_TOTAL_BYTES_SHIFT) |
(EHCI_HOST_PID_OUT << EHCI_HOST_QTD_PID_CODE_SHIFT) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
}
else
{
qtdPointer->transferResults[0] =
((0x00000001U << EHCI_HOST_QTD_DT_SHIFT) | (dataLength << EHCI_HOST_QTD_TOTAL_BYTES_SHIFT) |
(EHCI_HOST_PID_IN << EHCI_HOST_QTD_PID_CODE_SHIFT) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
}
dataAddress = (uint32_t)transfer->transferBuffer;
qtdPointer->transferResults[1] = dataAddress; /* current offset is set too */
/* set buffer pointer no matter data length */
for (index = 0; index < 4; ++index)
{
qtdPointer->bufferPointers[index] = ((dataAddress + (index + 1) * 4 * 1024) & 0xFFFFF000U);
}
}
/* status transaction qtd */
qtdPointer = (usb_host_ehci_qtd_t *)(qtdPointer->nextQtdPointer);
qtdPointer->alternateNextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
/* dt: dont care; ioc: 1; C_Page: 0; PID Code: IN/OUT; Status: Active */
qtdPointer->transferResults[0] = qtdPointer->transferResults[1] = 0;
if ((dataLength == 0) || (transfer->direction == USB_OUT))
{
qtdPointer->transferResults[0] =
((0x00000001U << EHCI_HOST_QTD_DT_SHIFT) | (EHCI_HOST_PID_IN << EHCI_HOST_QTD_PID_CODE_SHIFT) |
(EHCI_HOST_QTD_IOC_MASK) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
}
else
{
qtdPointer->transferResults[0] =
((0x00000001U << EHCI_HOST_QTD_DT_SHIFT) | (EHCI_HOST_PID_OUT << EHCI_HOST_QTD_PID_CODE_SHIFT) |
(EHCI_HOST_QTD_IOC_MASK) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
}
qtdPointer->nextQtdPointer |= EHCI_HOST_T_INVALID_VALUE;
}
else
{
dataLength = transfer->transferLength;
dataAddress = (uint32_t)transfer->transferBuffer;
qtdPointer = BaseQtdPointer;
while (1)
{
endAddress = dataAddress + (16 * 1024);
if (endAddress > (uint32_t)(transfer->transferBuffer + transfer->transferLength))
{
endAddress = (uint32_t)(transfer->transferBuffer + transfer->transferLength);
}
qtdPointer->alternateNextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
/* dt: set; ioc: 0; C_Page: 0; PID Code: IN/OUT; Status: Active */
qtdPointer->transferResults[0] = qtdPointer->transferResults[1] = 0;
if (transfer->direction == USB_OUT)
{
qtdPointer->transferResults[0] =
(((endAddress - dataAddress) << EHCI_HOST_QTD_TOTAL_BYTES_SHIFT) |
((uint32_t)ehciPipePointer->pipeCommon.nextdata01 << EHCI_HOST_QTD_DT_SHIFT) |
(EHCI_HOST_QTD_CERR_MAX_VALUE << EHCI_HOST_QTD_CERR_SHIFT) |
(EHCI_HOST_PID_OUT << EHCI_HOST_QTD_PID_CODE_SHIFT) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
}
else
{
qtdPointer->transferResults[0] =
(((endAddress - dataAddress) << EHCI_HOST_QTD_TOTAL_BYTES_SHIFT) |
((uint32_t)ehciPipePointer->pipeCommon.nextdata01 << EHCI_HOST_QTD_DT_SHIFT) |
(EHCI_HOST_QTD_CERR_MAX_VALUE << EHCI_HOST_QTD_CERR_SHIFT) |
(EHCI_HOST_PID_IN << EHCI_HOST_QTD_PID_CODE_SHIFT) | (EHCI_HOST_QTD_STATUS_ACTIVE_MASK));
}
qtdPointer->transferResults[1] = dataAddress; /* current offset is set too */
/* set buffer pointer no matter data length */
for (index = 0; index < 4; ++index)
{
qtdPointer->bufferPointers[index] = ((dataAddress + (index + 1) * 4 * 1024) & 0xFFFFF000U);
}
dataAddress = endAddress; /* for next qtd */
if (qtdPointer->nextQtdPointer == 0)
{
break;
}
qtdPointer = (usb_host_ehci_qtd_t *)(qtdPointer->nextQtdPointer);
}
qtdPointer->nextQtdPointer |= EHCI_HOST_T_INVALID_VALUE;
qtdPointer->transferResults[0] |= EHCI_HOST_QTD_IOC_MASK; /* last one set IOC */
}
/* save qtd to transfer */
transfer->union1.unitHead = (uint32_t)BaseQtdPointer;
transfer->union2.unitTail = (uint32_t)qtdPointer;
/* link transfer to qh */
transfer->next = NULL;
if (vltQhPointer->ehciTransferHead == NULL)
{
transfer->next = NULL;
vltQhPointer->ehciTransferHead = vltQhPointer->ehciTransferTail = transfer;
}
else
{
transfer->next = NULL;
vltQhPointer->ehciTransferTail->next = transfer;
vltQhPointer->ehciTransferTail = transfer;
}
USB_HostEhciLock();
/* link qtd to qh (link to end) */
entryPointer = &(vltQhPointer->nextQtdPointer);
dataAddress = *entryPointer; /* dataAddress variable means entry value here */
while ((dataAddress) && (!(dataAddress & EHCI_HOST_T_INVALID_VALUE)))
{
entryPointer = (volatile uint32_t *)dataAddress;
dataAddress = *entryPointer;
}
*entryPointer = (uint32_t)BaseQtdPointer;
USB_HostEhciUnlock();
USB_HostEhciStartAsync(ehciInstance);
return kStatus_USB_Success;
}
static uint32_t USB_HostEhciQtdListRelease(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_qtd_t *ehciQtdStart,
usb_host_ehci_qtd_t *ehciQtdEnd)
{
uint32_t length = 0;
usb_host_ehci_qtd_t *qtdPointer;
ehciQtdEnd->nextQtdPointer = 0;
/* compute remaining length */
qtdPointer = ehciQtdStart;
while (qtdPointer != ehciQtdEnd)
{
length +=
((qtdPointer->transferResults[0] & EHCI_HOST_QTD_TOTAL_BYTES_MASK) >> EHCI_HOST_QTD_TOTAL_BYTES_SHIFT);
qtdPointer = (usb_host_ehci_qtd_t *)qtdPointer->nextQtdPointer;
}
qtdPointer = ehciQtdEnd;
length += ((qtdPointer->transferResults[0] & EHCI_HOST_QTD_TOTAL_BYTES_MASK) >> EHCI_HOST_QTD_TOTAL_BYTES_SHIFT);
/* put releasing qtd to idle qtd list */
USB_HostEhciLock();
if (ehciInstance->ehciQtdNumber == 0)
{
ehciInstance->ehciQtdHead = ehciQtdStart;
ehciInstance->ehciQtdTail = ehciQtdEnd;
}
else
{
ehciInstance->ehciQtdTail->nextQtdPointer = (uint32_t)ehciQtdStart;
ehciInstance->ehciQtdTail = ehciQtdEnd;
}
while (ehciQtdStart != ehciQtdEnd)
{
ehciInstance->ehciQtdNumber++;
ehciQtdStart = (usb_host_ehci_qtd_t *)ehciQtdStart->nextQtdPointer;
}
ehciInstance->ehciQtdNumber++;
USB_HostEhciUnlock();
return length;
}
static usb_status_t USB_HostEhciQhQtdListDeinit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
volatile usb_host_ehci_qh_t *vltQhPointer;
usb_host_transfer_t *transfer;
usb_host_transfer_t *nextTransfer;
uint8_t needStop = 0;
vltQhPointer = (volatile usb_host_ehci_qh_t *)ehciPipePointer->ehciQh;
USB_HostEhciLock(); /* this API is called from APP, the host task may occupy to access the same resource */
/* remove qtd from qh */
if ((!((uint32_t)vltQhPointer->nextQtdPointer & EHCI_HOST_T_INVALID_VALUE)) ||
(!((uint32_t)vltQhPointer->currentQtdPointer & EHCI_HOST_T_INVALID_VALUE)))
{
/* need stop async schedule */
if ((!(vltQhPointer->horizontalLinkPointer & EHCI_HOST_T_INVALID_VALUE)) &&
(ehciPipePointer->pipeCommon.pipeType != USB_ENDPOINT_INTERRUPT))
{
needStop = 1;
}
if (needStop)
{
USB_HostEhciStopAsync(ehciInstance);
}
vltQhPointer->currentQtdPointer = EHCI_HOST_T_INVALID_VALUE; /* invalid current qtd */
vltQhPointer->nextQtdPointer = EHCI_HOST_T_INVALID_VALUE; /* invalid next qtd */
vltQhPointer->transferOverlayResults[0] &= (~EHCI_HOST_QTD_STATUS_MASK); /* clear error status */
if (needStop)
{
USB_HostEhciStartAsync(ehciInstance);
}
}
/* remove transfer from the QH transfer list */
transfer = vltQhPointer->ehciTransferHead;
vltQhPointer->ehciTransferHead = vltQhPointer->ehciTransferTail = NULL;
USB_HostEhciUnlock();
/* release qtd and transfer callback*/
while (transfer != NULL)
{
nextTransfer = transfer->next; /* the transfer is released when call back */
transfer->transferSofar =
USB_HostEhciQtdListRelease(ehciInstance, (usb_host_ehci_qtd_t *)(transfer->union1.unitHead),
(usb_host_ehci_qtd_t *)(transfer->union2.unitTail));
transfer->transferSofar = (transfer->transferLength < transfer->transferSofar) ?
0 :
(transfer->transferLength - transfer->transferSofar);
transfer->callbackFn(transfer->callbackParam, transfer, kStatus_USB_TransferCancel);
transfer = nextTransfer;
}
return kStatus_USB_Success;
}
static usb_status_t USB_HostEhciTransferQtdListDeinit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer)
{
volatile usb_host_ehci_qh_t *vltQhPointer;
usb_host_transfer_t *preSearchTransfer;
uint32_t qhNextQtdValue;
uint32_t qtdPointerEntry;
uint32_t *searchQtdEntryPointer;
vltQhPointer = (volatile usb_host_ehci_qh_t *)ehciPipePointer->ehciQh;
USB_HostEhciLock(); /* this API is called from APP, the host task may occupy to access the same resource */
/* remove qtd from qh */
qhNextQtdValue = (uint32_t)vltQhPointer->currentQtdPointer;
qtdPointerEntry = *((uint32_t *)qhNextQtdValue + 2); /* note: qtdPointerEntry means qtd status */
if ((qhNextQtdValue & EHCI_HOST_T_INVALID_VALUE) || (!(qtdPointerEntry & EHCI_HOST_QTD_STATUS_ACTIVE_MASK)))
{
qhNextQtdValue = (uint32_t)vltQhPointer->nextQtdPointer;
}
if (!(qhNextQtdValue & EHCI_HOST_T_INVALID_VALUE)) /* there is pending qtd in the qh */
{
/* this qh don't schedule temporarily */
if (ehciPipePointer->pipeCommon.pipeType != USB_ENDPOINT_INTERRUPT)
{
USB_HostEhciStopAsync(ehciInstance);
}
vltQhPointer->currentQtdPointer |= EHCI_HOST_T_INVALID_VALUE; /* invalid current qtd */
vltQhPointer->nextQtdPointer |= EHCI_HOST_T_INVALID_VALUE; /* invalid next qtd */
if (ehciPipePointer->pipeCommon.pipeType != USB_ENDPOINT_INTERRUPT)
{
USB_HostEhciStartAsync(ehciInstance);
}
/* remove qtd from qh one by one */
qtdPointerEntry = transfer->union1.unitHead;
while (1)
{
/* search qh's qtd list for qtdPointerEntry */
searchQtdEntryPointer = &qhNextQtdValue;
while (!((*searchQtdEntryPointer) & EHCI_HOST_T_INVALID_VALUE))
{
if ((*searchQtdEntryPointer) == qtdPointerEntry)
{
*searchQtdEntryPointer = *((uint32_t *)qtdPointerEntry); /* remove the qtd from qh */
break;
}
else
{
searchQtdEntryPointer = (uint32_t *)(*searchQtdEntryPointer);
}
}
if (qtdPointerEntry == transfer->union2.unitTail)
{
break;
}
qtdPointerEntry = *((uint32_t *)qtdPointerEntry);
}
}
/* remove transfer from the QH transfer list */
preSearchTransfer = vltQhPointer->ehciTransferHead;
if (preSearchTransfer == transfer)
{
vltQhPointer->ehciTransferHead = preSearchTransfer->next;
}
else
{
while (preSearchTransfer != NULL)
{
if (preSearchTransfer->next == transfer)
{
preSearchTransfer->next = transfer->next;
break;
}
else
{
preSearchTransfer = preSearchTransfer->next;
}
}
}
USB_HostEhciUnlock();
/* release qtd and callback */
transfer->transferSofar =
USB_HostEhciQtdListRelease(ehciInstance, (usb_host_ehci_qtd_t *)(transfer->union1.unitHead),
(usb_host_ehci_qtd_t *)(transfer->union2.unitTail));
transfer->transferSofar =
(transfer->transferLength < transfer->transferSofar) ? 0 : (transfer->transferLength - transfer->transferSofar);
transfer->callbackFn(transfer->callbackParam, transfer, kStatus_USB_TransferCancel);
/* start this qh schedule */
vltQhPointer->transferOverlayResults[0] &= (~EHCI_HOST_QTD_STATUS_MASK); /* clear error status */
if ((qhNextQtdValue != 0) && (!(qhNextQtdValue & EHCI_HOST_T_INVALID_VALUE)))
{
vltQhPointer->nextQtdPointer = qhNextQtdValue;
}
return kStatus_USB_Success;
}
static usb_status_t USB_HostEhciQhInit(usb_host_ehci_instance_t *ehciInstance, usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_host_ehci_qh_t *qhPointer = NULL;
uint32_t address, speed, portNumber, hubNumber;
uint32_t controlBits1 = 0;
uint32_t controlBits2 = 0;
/* get qh */
USB_HostEhciLock();
if (ehciInstance->ehciQhList != NULL)
{
qhPointer = (usb_host_ehci_qh_t *)ehciInstance->ehciQhList;
ehciInstance->ehciQhList =
(usb_host_ehci_qh_t *)(ehciInstance->ehciQhList->horizontalLinkPointer & EHCI_HOST_POINTER_ADDRESS_MASK);
}
USB_HostEhciUnlock();
if (qhPointer == NULL)
{
#ifdef HOST_EHCO
usb_echo("get qh error\r\n");
#endif
return kStatus_USB_Error;
}
ehciPipePointer->ehciQh = (void *)qhPointer;
/* initialize qh */
USB_HostEhciZeroMem((uint32_t *)qhPointer, sizeof(usb_host_ehci_qh_t) / 4);
qhPointer->horizontalLinkPointer = EHCI_HOST_T_INVALID_VALUE;
qhPointer->currentQtdPointer = EHCI_HOST_T_INVALID_VALUE;
qhPointer->nextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
qhPointer->alternateNextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
qhPointer->ehciPipePointer = ehciPipePointer;
qhPointer->timeOutLabel = 0;
qhPointer->timeOutValue = USB_HOST_EHCI_CONTROL_BULK_TIME_OUT_VALUE;
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed, &speed);
/* initialize staticEndpointStates[0] */
if (ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_INTERRUPT)
{
/* Software should set the RL field to zero if the queue head is an interrupt endpoint. */
controlBits1 |= ((0U << EHCI_HOST_QH_RL_SHIFT) & EHCI_HOST_QH_RL_MASK);
}
else
{
if (ehciPipePointer->pipeCommon.nakCount >= 16)
{
controlBits1 |= ((15U << EHCI_HOST_QH_RL_SHIFT) & EHCI_HOST_QH_RL_MASK);
}
else
{
controlBits1 |=
(((uint32_t)ehciPipePointer->pipeCommon.nakCount << EHCI_HOST_QH_RL_SHIFT) & EHCI_HOST_QH_RL_MASK);
}
}
if (ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_CONTROL)
{
if (speed != USB_SPEED_HIGH)
{
controlBits1 |= (1 << EHCI_HOST_QH_C_SHIFT);
}
controlBits1 |= (1 << EHCI_HOST_QH_DTC_SHIFT);
}
controlBits1 |= ((uint32_t)ehciPipePointer->pipeCommon.maxPacketSize << EHCI_HOST_QH_MAX_PACKET_LENGTH_SHIFT);
controlBits1 |= (speed << EHCI_HOST_QH_EPS_SHIFT);
controlBits1 |= ((uint32_t)ehciPipePointer->pipeCommon.endpointAddress << EHCI_HOST_QH_ENDPT_SHIFT);
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceAddress,
&address);
controlBits1 |= (address << EHCI_HOST_QH_DEVICE_ADDRESS_SHIFT);
qhPointer->staticEndpointStates[0] = controlBits1;
if (speed == USB_SPEED_HIGH)
{
controlBits2 |= ((uint32_t)ehciPipePointer->pipeCommon.numberPerUframe << EHCI_HOST_QH_MULT_SHIFT);
}
else
{
controlBits2 |= (0x00000001U << EHCI_HOST_QH_MULT_SHIFT);
}
/*initialize staticEndpointStates[1] */
if (speed != USB_SPEED_HIGH)
{
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceHSHubNumber,
&hubNumber);
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceHSHubPort,
&portNumber);
}
else
{
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceHubNumber,
&hubNumber);
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDevicePortNumber,
&portNumber);
}
controlBits2 |= (portNumber << EHCI_HOST_QH_PORT_NUMBER_SHIFT);
controlBits2 |= (hubNumber << EHCI_HOST_QH_HUB_ADDR_SHIFT);
controlBits2 |= ((uint32_t)ehciPipePointer->uframeCmask << EHCI_HOST_QH_UFRAME_CMASK_SHIFT);
controlBits2 |= ((uint32_t)ehciPipePointer->uframeSmask << EHCI_HOST_QH_UFRAME_SMASK_SHIFT);
qhPointer->staticEndpointStates[1] = controlBits2;
return kStatus_USB_Success;
}
static usb_status_t USB_HostEhciQhDeinit(usb_host_ehci_instance_t *ehciInstance, usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_host_ehci_qh_t *qhPointer;
qhPointer = (usb_host_ehci_qh_t *)ehciPipePointer->ehciQh;
/* de-initialize qtd from qh */
USB_HostEhciQhQtdListDeinit(ehciInstance, ehciPipePointer);
/* release QH */
USB_HostEhciLock();
qhPointer->horizontalLinkPointer = (uint32_t)ehciInstance->ehciQhList;
ehciInstance->ehciQhList = qhPointer;
USB_HostEhciUnlock();
return kStatus_USB_Success;
}
static void USB_HostEhciAddQhToFrame(usb_host_ehci_instance_t *ehciInstance,
uint32_t entryPointerValue,
uint16_t framePos,
uint16_t uframeInterval)
{
volatile uint32_t *frameEntryPointer;
uint32_t frameEntryValue;
/* search for the inserting point by interval */
frameEntryPointer = (volatile uint32_t *)(&((uint32_t *)ehciInstance->ehciFrameList)[framePos]);
while (frameEntryPointer)
{
frameEntryValue = *frameEntryPointer;
if (frameEntryValue & EHCI_HOST_T_INVALID_VALUE)
{
/* insert into the end */
*((uint32_t *)entryPointerValue) = EHCI_HOST_T_INVALID_VALUE;
*frameEntryPointer = (entryPointerValue | EHCI_HOST_POINTER_TYPE_QH);
break;
}
if ((frameEntryValue & EHCI_HOST_POINTER_ADDRESS_MASK) == entryPointerValue)
{
return; /* has inserted */
}
if (((frameEntryValue & EHCI_HOST_POINTER_TYPE_MASK) == EHCI_HOST_POINTER_TYPE_QH) &&
(((usb_host_ehci_qh_t *)(frameEntryValue & EHCI_HOST_POINTER_ADDRESS_MASK))
->ehciPipePointer->uframeInterval <= uframeInterval))
{
/* insert into this point */
*((uint32_t *)entryPointerValue) = frameEntryValue;
*frameEntryPointer = (entryPointerValue | EHCI_HOST_POINTER_TYPE_QH);
return;
}
else
{
frameEntryPointer = (volatile uint32_t *)(frameEntryValue & EHCI_HOST_POINTER_ADDRESS_MASK);
}
}
}
static void USB_HostEhciRemoveFromFrame(usb_host_ehci_instance_t *ehciInstance,
uint32_t entryPointerValue,
uint16_t framePos)
{
volatile uint32_t *frameEntryPointer;
uint32_t frameEntryValue;
/* search for the qh/itd/sitd entry */
frameEntryPointer = (volatile uint32_t *)(&((uint32_t *)ehciInstance->ehciFrameList)[framePos]);
while (frameEntryPointer)
{
frameEntryValue = *frameEntryPointer;
if (frameEntryValue & EHCI_HOST_T_INVALID_VALUE)
{
return;
}
if ((frameEntryValue & EHCI_HOST_POINTER_ADDRESS_MASK) == entryPointerValue)
{
/* remove the entry */
*frameEntryPointer = *((uint32_t *)entryPointerValue);
break;
}
else
{
frameEntryPointer = (volatile uint32_t *)(frameEntryValue & EHCI_HOST_POINTER_ADDRESS_MASK);
}
}
}
#if ((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD))
static void USB_HostEhciLinkSitd(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
void *startEntryPointer)
{
usb_host_ehci_iso_t *isoPointer = (usb_host_ehci_iso_t *)ehciPipePointer->ehciQh;
usb_host_ehci_sitd_t *sitdPointer;
uint32_t distance;
uint32_t frameInterval;
int32_t shouldLinkFrame;
int32_t currentFrame;
frameInterval = (ehciPipePointer->uframeInterval >> 3);
if (isoPointer->lastLinkFrame == 0xFFFF) /* first link */
{
currentFrame = ((ehciInstance->ehciIpBase->FRINDEX & EHCI_MAX_UFRAME_VALUE) >> 3);
currentFrame = ((uint32_t)(currentFrame + USB_HOST_EHCI_ISO_BOUNCE_FRAME_NUMBER) &
(EHCI_MAX_UFRAME_VALUE >> 3)); /* add USB_HOST_EHCI_ISO_BOUNCE_FRAME_NUMBER */
/* frame should align with interval */
currentFrame -= ehciPipePointer->startFrame;
currentFrame =
((uint32_t)(currentFrame + frameInterval - 1) & (~(frameInterval - 1))); /* frameInterval is power of 2 */
currentFrame += ehciPipePointer->startFrame;
}
else
{
shouldLinkFrame = isoPointer->lastLinkFrame + frameInterval; /* continuous next should link frame */
if (shouldLinkFrame > (int32_t)(EHCI_MAX_UFRAME_VALUE >> 3))
{
shouldLinkFrame = shouldLinkFrame - ((EHCI_MAX_UFRAME_VALUE >> 3) + 1);
}
currentFrame = ((ehciInstance->ehciIpBase->FRINDEX & EHCI_MAX_UFRAME_VALUE) >> 3);
distance = ((shouldLinkFrame - currentFrame + (EHCI_MAX_UFRAME_VALUE >> 3) + 1) &
(EHCI_MAX_UFRAME_VALUE >> 3)); /* get the distance from shouldLinkFrame to currentFrame */
/* shouldLinkFrame has add frameInterval, think about the align with interval, so here add (frameInterval *
* 2) */
if ((distance <= (USB_HOST_EHCI_ISO_BOUNCE_FRAME_NUMBER + frameInterval * 2)) && (distance > 0))
{
currentFrame = shouldLinkFrame;
}
else /* re-link */
{
currentFrame =
((uint32_t)(currentFrame + USB_HOST_EHCI_ISO_BOUNCE_FRAME_NUMBER) & (EHCI_MAX_UFRAME_VALUE >> 3));
if (currentFrame > (int32_t)(EHCI_MAX_UFRAME_VALUE >> 3))
{
currentFrame = currentFrame - ((EHCI_MAX_UFRAME_VALUE >> 3) + 1);
}
/* frame should align with interval */
currentFrame -= ehciPipePointer->startFrame;
currentFrame = ((uint32_t)(currentFrame + frameInterval - 1) & (~(frameInterval - 1)));
currentFrame += ehciPipePointer->startFrame;
}
}
if (currentFrame >= (int32_t)USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE) /* frame turn around */
{
shouldLinkFrame =
(currentFrame - USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE); /* shouldLinkFrame means inserted frame position */
}
else
{
shouldLinkFrame = currentFrame; /* shouldLinkFrame means inserted frame position */
}
sitdPointer = (usb_host_ehci_sitd_t *)startEntryPointer;
while (sitdPointer)
{
sitdPointer->frameEntryIndex = shouldLinkFrame;
/* add to frame list head */
sitdPointer->nextLinkPointer = ((uint32_t *)ehciInstance->ehciFrameList)[shouldLinkFrame];
((uint32_t *)ehciInstance->ehciFrameList)[shouldLinkFrame] =
((uint32_t)sitdPointer | EHCI_HOST_POINTER_TYPE_SITD);
if (sitdPointer->nextSitdIndex == 0xFF) /* 0xFF is invalid value */
{
break;
}
sitdPointer = &(ehciInstance->ehciSitdIndexBase[sitdPointer->nextSitdIndex]); /* next sitd */
shouldLinkFrame += frameInterval;
currentFrame += frameInterval;
if (shouldLinkFrame >= (int32_t)USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE)
{
shouldLinkFrame = (shouldLinkFrame - USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE);
}
}
if (currentFrame > (int32_t)(EHCI_MAX_UFRAME_VALUE >> 3))
{
currentFrame = currentFrame - ((EHCI_MAX_UFRAME_VALUE >> 3) + 1);
}
isoPointer->lastLinkFrame = currentFrame; /* save the last link frame value */
}
static usb_status_t USB_HostEhciSitdArrayInit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer)
{
usb_host_ehci_iso_t *isoPointer;
uint32_t sitdNumber = 0;
usb_host_ehci_sitd_t *sitdPointer;
uint32_t dataLength = 0;
uint32_t sitdLength = 0;
uint32_t dataBufferValue;
uint32_t hubNumber;
uint32_t portNumber;
uint32_t address;
uint32_t tmp;
uint8_t index;
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceAddress,
&address);
sitdNumber = ((transfer->transferLength - 1 + (ehciPipePointer->pipeCommon.maxPacketSize)) /
(ehciPipePointer->pipeCommon.maxPacketSize));
/* get sitd array */
tmp = ehciPipePointer - ehciInstance->ehciPipeIndexBase; /* pipe index */
/* USB_HostEhciLock(); */
if (ehciInstance->ehciSitdNumber >= sitdNumber)
{
sitdPointer = ehciInstance->ehciSitdList;
transfer->union1.unitHead = (uint32_t)sitdPointer;
for (index = 1; index < sitdNumber; ++index)
{
sitdPointer->nextSitdIndex =
(((usb_host_ehci_sitd_t *)sitdPointer->nextLinkPointer) - ehciInstance->ehciSitdIndexBase);
sitdPointer = (usb_host_ehci_sitd_t *)sitdPointer->nextLinkPointer;
}
sitdPointer->nextSitdIndex = 0xFF;
ehciInstance->ehciSitdList = (usb_host_ehci_sitd_t *)sitdPointer->nextLinkPointer;
ehciInstance->ehciSitdNumber -= sitdNumber;
}
else
{
/* USB_HostEhciUnlock(); */
return kStatus_USB_Error;
}
/* USB_HostEhciUnlock(); */
transfer->union2.unitTail = (uint32_t)sitdPointer;
/* initialize sitd array */
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceHubNumber,
&hubNumber);
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDevicePortNumber,
&portNumber);
sitdPointer = (usb_host_ehci_sitd_t *)transfer->union1.unitHead;
dataLength = transfer->transferLength;
while (sitdNumber--)
{
USB_HostEhciZeroMem((uint32_t *)sitdPointer, 7);
sitdLength = dataLength;
if (sitdLength > ehciPipePointer->pipeCommon.maxPacketSize)
{
sitdLength = ehciPipePointer->pipeCommon.maxPacketSize;
}
dataBufferValue = (uint32_t)(transfer->transferBuffer + (transfer->transferLength - dataLength));
dataLength -= sitdLength; /* update left data length */
sitdPointer->transferResults[1] = dataBufferValue;
sitdPointer->transferResults[2] = ((dataBufferValue + 4 * 1024) & 0xFFFFF000U);
sitdPointer->endpointStates[0] =
(((uint32_t)ehciPipePointer->pipeCommon.direction << EHCI_HOST_SITD_DIRECTION_SHIFT) |
(portNumber << EHCI_HOST_SITD_PORT_NUMBER_SHIFT) | (hubNumber << EHCI_HOST_SITD_HUB_ADDR_SHIFT) |
((uint32_t)ehciPipePointer->pipeCommon.endpointAddress << EHCI_HOST_SITD_ENDPT_SHIFT) |
(address << EHCI_HOST_SITD_DEVICE_ADDRESS_SHIFT));
sitdPointer->transferResults[0] =
((sitdLength << EHCI_HOST_SITD_TOTAL_BYTES_SHIFT) | (EHCI_HOST_SITD_STATUS_ACTIVE_MASK));
if (ehciInstance->firstDeviceSpeed == USB_SPEED_HIGH)
{
sitdPointer->endpointStates[1] = (((uint32_t)ehciPipePointer->uframeCmask << EHCI_HOST_SITD_CMASK_SHIFT) |
((uint32_t)ehciPipePointer->uframeSmask << EHCI_HOST_SITD_SMASK_SHIFT));
tmp = (sitdLength + 187) / 188;
if (tmp > 1)
{
sitdPointer->transferResults[2] |= (0x01 << EHCI_HOST_SITD_TP_SHIFT); /* for iso split */
}
else
{
sitdPointer->transferResults[2] |= (0x00 << EHCI_HOST_SITD_TP_SHIFT); /* for iso split */
}
sitdPointer->transferResults[2] |= (tmp << EHCI_HOST_SITD_TCOUNT_SHIFT); /* for iso split */
}
sitdPointer->backPointer = EHCI_HOST_T_INVALID_VALUE;
sitdPointer = (ehciInstance->ehciSitdIndexBase + sitdPointer->nextSitdIndex);
}
sitdPointer = (usb_host_ehci_sitd_t *)transfer->union2.unitTail;
sitdPointer->transferResults[0] |= (1U << EHCI_HOST_SITD_IOC_SHIFT); /* last set IOC */
/* link transfer to usb_host_ehci_iso_t transfer list */
isoPointer = (usb_host_ehci_iso_t *)ehciPipePointer->ehciQh;
USB_HostEhciLock();
if (isoPointer->ehciTransferHead == NULL)
{
transfer->next = NULL;
isoPointer->ehciTransferHead = isoPointer->ehciTransferTail = transfer;
}
else
{
transfer->next = NULL;
isoPointer->ehciTransferTail->next = transfer;
isoPointer->ehciTransferTail = transfer;
}
USB_HostEhciUnlock();
/* link itd to frame list (note: initialize frameEntryIndex)*/
USB_HostEhciLinkSitd(ehciInstance, ehciPipePointer, (void *)transfer->union1.unitHead);
return kStatus_USB_Success;
}
static uint32_t USB_HostEhciSitdArrayRelease(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_sitd_t *startSitdPointer,
usb_host_ehci_sitd_t *endSitdPointer)
{
usb_host_ehci_sitd_t *sitdPointer = startSitdPointer;
uint32_t leftLength = 0;
/* remove itd from frame list */
while (1)
{
/* record the transfer's result length */
leftLength +=
((sitdPointer->transferResults[0] & EHCI_HOST_SITD_TOTAL_BYTES_MASK) >> EHCI_HOST_SITD_TOTAL_BYTES_SHIFT);
USB_HostEhciRemoveFromFrame(ehciInstance, (uint32_t)sitdPointer,
sitdPointer->frameEntryIndex); /* remove from the inserted frame list */
/* release itd */
/* USB_HostEhciLock(); */
sitdPointer->nextLinkPointer = (uint32_t)ehciInstance->ehciSitdList;
ehciInstance->ehciSitdList = sitdPointer;
ehciInstance->ehciSitdNumber++;
/* USB_HostEhciUnlock(); */
if (sitdPointer == endSitdPointer)
{
break;
}
sitdPointer = &(ehciInstance->ehciSitdIndexBase[sitdPointer->nextSitdIndex]);
}
return leftLength;
}
static usb_status_t USB_HostEhciSitdArrayDeinit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_host_ehci_iso_t *isoPointer = (usb_host_ehci_iso_t *)ehciPipePointer->ehciQh;
usb_host_transfer_t *transfer;
usb_host_transfer_t *nextTransfer;
/* firstly remove the transfer (because host task may occupy to access the resource) */
USB_HostEhciLock();
transfer = isoPointer->ehciTransferHead;
isoPointer->ehciTransferHead = isoPointer->ehciTransferTail = NULL;
USB_HostEhciUnlock();
while (transfer != NULL)
{
nextTransfer = transfer->next;
/* remove sitd from frame list and release itd */
transfer->transferSofar =
transfer->transferLength - USB_HostEhciSitdArrayRelease(ehciInstance,
(usb_host_ehci_sitd_t *)transfer->union1.unitHead,
(usb_host_ehci_sitd_t *)transfer->union2.unitTail);
/* transfer callback */
transfer->callbackFn(transfer->callbackParam, transfer, kStatus_USB_TransferCancel);
/* next transfer */
transfer = nextTransfer;
}
return kStatus_USB_Success;
}
#endif /* USB_HOST_CONFIG_EHCI_MAX_SITD */
#if ((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD))
static uint32_t USB_HostEhciGetItdLinkFrame(usb_host_ehci_instance_t *ehciInstance,
uint32_t lastLinkUframe,
uint16_t startUframe,
uint16_t uframeInterval)
{
int32_t shouldLinkUframe;
int32_t currentUframe;
int32_t distance;
if (lastLinkUframe != 0xFFFF)
{
shouldLinkUframe = lastLinkUframe + uframeInterval;
if (shouldLinkUframe > (int32_t)EHCI_MAX_UFRAME_VALUE)
{
shouldLinkUframe = shouldLinkUframe - (EHCI_MAX_UFRAME_VALUE + 1);
}
currentUframe = (ehciInstance->ehciIpBase->FRINDEX & EHCI_MAX_UFRAME_VALUE);
distance = ((shouldLinkUframe - currentUframe + EHCI_MAX_UFRAME_VALUE + 1) &
EHCI_MAX_UFRAME_VALUE); /* get the distance */
/* shouldLinkUframe has add uframeInterval, think about the align with interval, so here add (uframeInterval
* * 2) */
if ((distance <= (int32_t)(USB_HOST_EHCI_ISO_BOUNCE_UFRAME_NUMBER + (uframeInterval * 2))) && (distance > 2))
{
currentUframe = shouldLinkUframe;
}
else /* re-link */
{
currentUframe =
((uint32_t)(currentUframe + USB_HOST_EHCI_ISO_BOUNCE_UFRAME_NUMBER) & EHCI_MAX_UFRAME_VALUE);
if (currentUframe > (int32_t)EHCI_MAX_UFRAME_VALUE)
{
currentUframe = currentUframe - (EHCI_MAX_UFRAME_VALUE + 1);
}
/* uframe should align with interval */
currentUframe -= startUframe;
currentUframe = ((uint32_t)(currentUframe + uframeInterval - 1) &
(~((uint32_t)uframeInterval - 1))); /* uframeInterval is power of 2 */
currentUframe += startUframe;
}
}
else
{
currentUframe = (ehciInstance->ehciIpBase->FRINDEX & EHCI_MAX_UFRAME_VALUE);
currentUframe = ((uint32_t)(currentUframe + USB_HOST_EHCI_ISO_BOUNCE_UFRAME_NUMBER) & EHCI_MAX_UFRAME_VALUE);
/* uframe should align with interval */
currentUframe -= startUframe;
currentUframe = ((uint32_t)(currentUframe + uframeInterval - 1) &
(~((uint32_t)uframeInterval - 1))); /* uframeInterval is power of 2 */
currentUframe += startUframe;
}
return currentUframe;
}
static usb_status_t USB_HostEhciItdArrayInit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer)
{
usb_host_ehci_iso_t *isoPointer;
usb_host_ehci_itd_t *itdPointer = NULL;
usb_host_ehci_itd_t *tmpItdPointer;
uint32_t dataLength; /* the remaining data for sending */
uint32_t transactionLength; /* the initializing transaction descriptor data length */
uint32_t itdBufferValue;
uint32_t itdBufferBaseValue; /* for calculating PG value */
uint32_t address;
uint32_t lastShouldLinkUframe;
uint32_t linkUframe;
uint32_t minDataPerItd = ehciPipePointer->pipeCommon.numberPerUframe * ehciPipePointer->pipeCommon.maxPacketSize;
uint8_t maxItdNumber;
uint8_t index = 0;
isoPointer = (usb_host_ehci_iso_t *)ehciPipePointer->ehciQh;
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceAddress,
&address);
/* max needed itd number, the actual needed number may be less because micro-frame interval may be less than 8 */
maxItdNumber = ((transfer->transferLength - 1 + minDataPerItd) / minDataPerItd);
if (ehciPipePointer->uframeInterval < 8)
{
maxItdNumber = ((maxItdNumber * ehciPipePointer->uframeInterval + 7) / 8) + 1;
}
if (maxItdNumber > ehciInstance->ehciItdNumber)
{
return kStatus_USB_Error;
}
/* link transfer to usb_host_ehci_iso_t transfer list */
transfer->next = NULL;
/* USB_HostEhciLock(); */
if (isoPointer->ehciTransferHead == NULL)
{
isoPointer->ehciTransferHead = isoPointer->ehciTransferTail = transfer;
}
else
{
isoPointer->ehciTransferTail->next = transfer;
isoPointer->ehciTransferTail = transfer;
}
/* USB_HostEhciUnlock(); */
dataLength = transfer->transferLength;
transfer->union1.unitHead = (uint32_t)NULL;
/* get the link micro-frame */
lastShouldLinkUframe = USB_HostEhciGetItdLinkFrame(
ehciInstance, isoPointer->lastLinkFrame,
(uint16_t)((ehciPipePointer->startFrame << 3) + ehciPipePointer->startUframe), ehciPipePointer->uframeInterval);
if (lastShouldLinkUframe > EHCI_MAX_UFRAME_VALUE)
{
linkUframe = lastShouldLinkUframe - (EHCI_MAX_UFRAME_VALUE + 1);
}
else
{
linkUframe = lastShouldLinkUframe;
}
while (dataLength)
{
/* get one idle itd */
tmpItdPointer = ehciInstance->ehciItdList;
ehciInstance->ehciItdList = (usb_host_ehci_itd_t *)tmpItdPointer->nextLinkPointer;
ehciInstance->ehciItdNumber -= 1;
if (tmpItdPointer == NULL)
{
return kStatus_USB_Error; /* this should not reach */
}
tmpItdPointer->nextItdPointer = NULL;
/* use the itd */
if (transfer->union1.unitHead == (uint32_t)NULL) /* first itd */
{
transfer->union1.unitHead = (uint32_t)tmpItdPointer;
}
else /* link itd list */
{
itdPointer->nextItdPointer = tmpItdPointer;
}
itdPointer = tmpItdPointer;
/* itd has been set to all zero when releasing */
itdBufferBaseValue = itdBufferValue =
(uint32_t)(transfer->transferBuffer + (transfer->transferLength - dataLength));
for (index = 0; index < 7; ++index)
{
itdPointer->bufferPointers[index] = ((itdBufferBaseValue + (index * 4 * 1024)) & 0xFFFFF000U);
}
/* initialize iTD common fields */
itdPointer->bufferPointers[0] |=
(((uint32_t)ehciPipePointer->pipeCommon.endpointAddress << EHCI_HOST_ITD_ENDPT_SHIFT) |
(address << EHCI_HOST_ITD_DEVICE_ADDRESS_SHIFT));
itdPointer->bufferPointers[1] |=
(((uint32_t)ehciPipePointer->pipeCommon.direction << EHCI_HOST_ITD_DIRECTION_SHIFT) |
((uint32_t)ehciPipePointer->pipeCommon.maxPacketSize << EHCI_HOST_ITD_MAX_PACKET_SIZE_SHIFT));
itdPointer->bufferPointers[2] |= (ehciPipePointer->pipeCommon.numberPerUframe);
/* initialize transaction descriptors */
for (index = (linkUframe & 0x0007); index < 8; index += ehciPipePointer->uframeInterval)
{
transactionLength = ((dataLength > minDataPerItd) ? minDataPerItd : dataLength);
/* initialize the uframeIndex's transaction descriptor in itd */
itdPointer->transactions[index] =
((EHCI_HOST_ITD_STATUS_ACTIVE_MASK) | (transactionLength << EHCI_HOST_ITD_TRANSACTION_LEN_SHIFT) |
((((itdBufferValue & 0xFFFFF000U) - (itdBufferBaseValue & 0xFFFFF000U)) >>
EHCI_HOST_ITD_BUFFER_POINTER_SHIFT)
<< EHCI_HOST_ITD_PG_SHIFT) |
(itdBufferValue & EHCI_HOST_ITD_TRANSACTION_OFFSET_MASK));
dataLength -= transactionLength;
itdBufferValue += transactionLength;
if (dataLength <= 0)
{
break;
}
}
}
transfer->union2.unitTail = (uint32_t)itdPointer;
itdPointer->transactions[index] |= (1 << EHCI_HOST_ITD_IOC_SHIFT); /* last set IOC */
/* link itd to frame list (note: initialize frameEntryIndex)*/
while (itdPointer)
{
itdPointer->frameEntryIndex = linkUframe;
/* add to frame head */
itdPointer->nextLinkPointer = ((uint32_t *)ehciInstance->ehciFrameList)[linkUframe >> 3];
*(uint32_t *)((uint32_t *)ehciInstance->ehciFrameList)[linkUframe >> 3] =
((uint32_t)itdPointer | EHCI_HOST_POINTER_TYPE_ITD);
itdPointer = itdPointer->nextItdPointer;
if (itdPointer == NULL)
{
break;
}
linkUframe += ehciPipePointer->uframeInterval;
lastShouldLinkUframe += ehciPipePointer->uframeInterval;
if (linkUframe >= (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE << 3))
{
linkUframe = (linkUframe - (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE << 3));
}
}
if (lastShouldLinkUframe > EHCI_MAX_UFRAME_VALUE)
{
lastShouldLinkUframe = lastShouldLinkUframe - (EHCI_MAX_UFRAME_VALUE + 1);
}
isoPointer->lastLinkFrame = lastShouldLinkUframe;
return kStatus_USB_Success;
}
static uint32_t USB_HostEhciItdArrayRelease(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_itd_t *startItdPointer,
usb_host_ehci_itd_t *endItdPointer)
{
usb_host_ehci_itd_t *itdPointer = startItdPointer;
uint8_t index;
uint32_t doneLength = 0;
/* remove itd from frame list */
while (1)
{
/* record the transfer's result length */
for (index = 0; index < 8; ++index)
{
doneLength += ((itdPointer->transactions[index] & EHCI_HOST_ITD_TRANSACTION_LEN_MASK) >>
EHCI_HOST_ITD_TRANSACTION_LEN_SHIFT);
}
USB_HostEhciRemoveFromFrame(ehciInstance, (uint32_t)itdPointer,
itdPointer->frameEntryIndex); /* remove from the inserted frame list */
/* release itd */
/* USB_HostEhciLock(); */
USB_HostEhciZeroMem((uint32_t *)itdPointer, sizeof(usb_host_ehci_itd_t) >> 2);
itdPointer->nextLinkPointer = (uint32_t)ehciInstance->ehciItdList;
ehciInstance->ehciItdList = itdPointer;
ehciInstance->ehciItdNumber++;
/* USB_HostEhciUnlock(); */
if (itdPointer == endItdPointer)
{
break;
}
itdPointer = itdPointer->nextItdPointer;
}
return doneLength;
}
static usb_status_t USB_HostEhciItdArrayDeinit(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_host_ehci_iso_t *isoPointer = (usb_host_ehci_iso_t *)ehciPipePointer->ehciQh;
usb_host_transfer_t *transfer;
usb_host_transfer_t *nextTransfer;
uint32_t doneLength = 0;
/* firstly remove the transfer (because host task may occupy to access the resource) */
USB_HostEhciLock();
transfer = isoPointer->ehciTransferHead;
isoPointer->ehciTransferHead = isoPointer->ehciTransferTail = NULL;
USB_HostEhciUnlock();
while (transfer != NULL)
{
nextTransfer = transfer->next;
doneLength = 0;
/* remove itd from frame list and release itd */
doneLength = USB_HostEhciItdArrayRelease(ehciInstance, (usb_host_ehci_itd_t *)transfer->union1.unitHead,
(usb_host_ehci_itd_t *)transfer->union2.unitTail);
/* transfer callback */
if (ehciPipePointer->pipeCommon.direction == USB_OUT)
{
doneLength = transfer->transferLength;
}
transfer->transferSofar = doneLength;
transfer->callbackFn(transfer->callbackParam, transfer, kStatus_USB_TransferCancel);
/* next transfer */
transfer = nextTransfer;
}
return kStatus_USB_Success;
}
#endif /* USB_HOST_CONFIG_EHCI_MAX_ITD */
static usb_status_t USB_HostEhciOpenControlBulk(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_host_ehci_qh_t *qhPointer;
if (USB_HostEhciQhInit(ehciInstance, ehciPipePointer) != kStatus_USB_Success) /* initialize control/bulk qh */
{
return kStatus_USB_Error;
}
qhPointer = (usb_host_ehci_qh_t *)ehciPipePointer->ehciQh;
/* add qh to async */
qhPointer->horizontalLinkPointer = ehciInstance->shedFirstQh->horizontalLinkPointer;
ehciInstance->shedFirstQh->horizontalLinkPointer = ((uint32_t)qhPointer | EHCI_HOST_POINTER_TYPE_QH);
return kStatus_USB_Success;
}
static usb_status_t USB_HostEhciCloseControlBulk(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
volatile usb_host_ehci_qh_t *vltPrevQhPointer;
uint32_t horizontalLinkValue;
/* remove qh from async schedule */
if ((ehciInstance->shedFirstQh->horizontalLinkPointer & EHCI_HOST_POINTER_ADDRESS_MASK) ==
(uint32_t)ehciPipePointer->ehciQh) /* the removing qh is the first qh in the async list */
{
USB_HostEhciStopAsync(ehciInstance);
ehciInstance->shedFirstQh->horizontalLinkPointer =
((usb_host_ehci_qh_t *)ehciPipePointer->ehciQh)->horizontalLinkPointer;
USB_HostEhciStartAsync(ehciInstance);
}
else
{
/* search for the removing qh from the async list */
vltPrevQhPointer = ehciInstance->shedFirstQh;
while (vltPrevQhPointer != NULL)
{
horizontalLinkValue = vltPrevQhPointer->horizontalLinkPointer;
if ((horizontalLinkValue & EHCI_HOST_T_INVALID_VALUE) ||
((horizontalLinkValue & EHCI_HOST_POINTER_ADDRESS_MASK) == (uint32_t)ehciPipePointer->ehciQh) ||
((horizontalLinkValue & EHCI_HOST_POINTER_ADDRESS_MASK) == (uint32_t)ehciInstance->shedFirstQh))
{
break;
}
vltPrevQhPointer = (volatile usb_host_ehci_qh_t *)(horizontalLinkValue & EHCI_HOST_POINTER_ADDRESS_MASK);
}
/* remove the qh from async list */
if ((vltPrevQhPointer != NULL) && (!(horizontalLinkValue & EHCI_HOST_T_INVALID_VALUE)) &&
((horizontalLinkValue & EHCI_HOST_POINTER_ADDRESS_MASK) == (uint32_t)ehciPipePointer->ehciQh))
{
USB_HostEhciStopAsync(ehciInstance);
vltPrevQhPointer->horizontalLinkPointer =
((usb_host_ehci_qh_t *)ehciPipePointer->ehciQh)->horizontalLinkPointer;
USB_HostEhciStartAsync(ehciInstance);
}
}
((usb_host_ehci_qh_t *)ehciPipePointer->ehciQh)->horizontalLinkPointer =
EHCI_HOST_T_INVALID_VALUE; /* invalid next qh link */
return USB_HostEhciQhDeinit(ehciInstance, ehciPipePointer); /* de-initialize qh and release qh */
}
static usb_status_t USB_HostEhciOpenInterrupt(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_status_t status = kStatus_USB_Success;
uint32_t frameIndex;
/* allocate bandwidth */
if (ehciInstance->firstDeviceSpeed == USB_SPEED_HIGH)
{
status = USB_HostBandwidthHsHostAllocateInterrupt(ehciInstance, ehciPipePointer); /* host works as high-speed */
}
else
{
status = USB_HostBandwidthFslsHostAllocate(ehciInstance,
ehciPipePointer); /* host works as full-speed or low-speed */
}
if (status != kStatus_USB_Success)
{
return status;
}
if (USB_HostEhciQhInit(ehciInstance, ehciPipePointer) != kStatus_USB_Success)
{
return kStatus_USB_Error;
}
/* insert QH to frame list */
for (frameIndex = ehciPipePointer->startFrame; frameIndex < USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE;
frameIndex += (ehciPipePointer->uframeInterval / 8))
{
USB_HostEhciAddQhToFrame(ehciInstance, (uint32_t)ehciPipePointer->ehciQh, frameIndex,
ehciPipePointer->uframeInterval);
}
return kStatus_USB_Success;
}
static usb_status_t USB_HostEhciCloseInterrupt(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer)
{
uint32_t frameIndex;
/* remove from frame list */
for (frameIndex = ehciPipePointer->startFrame; frameIndex < USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE;
frameIndex += (ehciPipePointer->uframeInterval / 8))
{
USB_HostEhciRemoveFromFrame(ehciInstance, (uint32_t)ehciPipePointer->ehciQh, frameIndex);
}
((usb_host_ehci_qh_t *)ehciPipePointer->ehciQh)->horizontalLinkPointer |=
EHCI_HOST_T_INVALID_VALUE; /* invalid next qh link */
return USB_HostEhciQhDeinit(ehciInstance, ehciPipePointer); /* de-initilaze qh and release qh */
}
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
static usb_status_t USB_HostEhciOpenIso(usb_host_ehci_instance_t *ehciInstance, usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_host_ehci_iso_t *isoPointer;
usb_status_t status = kStatus_USB_Success;
if (ehciInstance->firstDeviceSpeed == USB_SPEED_HIGH)
{
status = USB_HostBandwidthHsHostAllocateIso(
ehciInstance, ehciPipePointer); /* allocate iso bandwidth when host works as high-speed */
}
else
{
status = USB_HostBandwidthFslsHostAllocate(
ehciInstance, ehciPipePointer); /* allocate iso bandwidth when host works as full-speed or low-speed */
}
if (status != kStatus_USB_Success)
{
return status;
}
/* get usb_host_ehci_iso_t */
if (ehciInstance->ehciIsoList == NULL)
{
return kStatus_USB_Error;
}
USB_HostEhciLock();
isoPointer = ehciInstance->ehciIsoList;
ehciInstance->ehciIsoList = ehciInstance->ehciIsoList->next;
USB_HostEhciUnlock();
isoPointer->lastLinkFrame = 0xFFFF;
ehciPipePointer->ehciQh = isoPointer;
return status;
}
static usb_status_t USB_HostEhciCloseIso(usb_host_ehci_instance_t *ehciInstance, usb_host_ehci_pipe_t *ehciPipePointer)
{
usb_host_ehci_iso_t *isoPointer;
uint32_t speed;
isoPointer = (usb_host_ehci_iso_t *)ehciPipePointer->ehciQh;
if (isoPointer->ehciTransferHead != NULL)
{
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed,
&speed);
if (speed == USB_SPEED_HIGH)
{
#if ((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD))
USB_HostEhciItdArrayDeinit(ehciInstance, ehciPipePointer); /* de-initialize itd list and free them */
#endif
}
else
{
#if ((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD))
USB_HostEhciSitdArrayDeinit(ehciInstance, ehciPipePointer); /* de-initialize sitd list and free them */
#endif
}
}
/* release usb_host_ehci_iso_t */
USB_HostEhciLock();
isoPointer->next = ehciInstance->ehciIsoList;
ehciInstance->ehciIsoList = isoPointer;
USB_HostEhciUnlock();
return kStatus_USB_Success;
}
#endif
static usb_status_t USB_HostEhciResetIP(usb_host_ehci_instance_t *ehciInstance)
{
/* reset controller */
ehciInstance->ehciIpBase->USBCMD = USBHS_USBCMD_RST_MASK;
while (ehciInstance->ehciIpBase->USBCMD & USBHS_USBCMD_RST_MASK)
{
}
/* set host mode */
#if (ENDIANNESS == USB_LITTLE_ENDIAN)
ehciInstance->ehciIpBase->USBMODE |= 0x03;
#else
ehciInstance->ehciIpBase->USBMODE |= (0x03 | (0x01 << USBHS_USBMODE_ES_SHIFT));
#endif
/* check frame list size */
if (!(ehciInstance->ehciIpBase->HCCPARAMS & USBHS_HCCPARAMS_PFL_MASK))
{
#if ((USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE < 8) || (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE > 1024))
return kStatus_USB_Error;
#endif
#if (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE & (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE - 1))
return kStatus_USB_Error; /* frame size must be 1024/512/256/128/64/32/16/8 */
#endif
}
return kStatus_USB_Success;
}
static usb_status_t USB_HostEhciStartIP(usb_host_ehci_instance_t *ehciInstance)
{
uint32_t tmp = 0;
if (ehciInstance->ehciIpBase->HCSPARAMS & USBHS_HCSPARAMS_PPC_MASK) /* Ports have power port switches */
{
/* only has one port */
tmp = ehciInstance->ehciIpBase->PORTSC1;
tmp &= (~EHCI_PORTSC1_W1_BITS);
ehciInstance->ehciIpBase->PORTSC1 = (tmp | USBHS_PORTSC1_PP_MASK); /* turn on port power */
}
/* set frame list size */
if (ehciInstance->ehciIpBase->HCCPARAMS & USBHS_HCCPARAMS_PFL_MASK)
{
#if (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE <= 64)
ehciInstance->ehciIpBase->USBCMD |= (USBHS_USBCMD_FS2_MASK);
#if (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE == 64)
ehciInstance->ehciIpBase->USBCMD |= (0x00 << USBHS_USBCMD_FS_SHIFT);
#elif(USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE == 32)
ehciInstance->ehciIpBase->USBCMD |= (0x01 << USBHS_USBCMD_FS_SHIFT);
#elif(USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE == 16)
ehciInstance->ehciIpBase->USBCMD |= (0x02 << USBHS_USBCMD_FS_SHIFT);
#elif(USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE == 8)
ehciInstance->ehciIpBase->USBCMD |= (0x03 << USBHS_USBCMD_FS_SHIFT);
#endif
#else
#if (USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE == 1024)
ehciInstance->ehciIpBase->USBCMD |= (0x00 << USBHS_USBCMD_FS_SHIFT);
#elif(USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE == 512)
ehciInstance->ehciIpBase->USBCMD |= (0x01 << USBHS_USBCMD_FS_SHIFT);
#elif(USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE == 256)
ehciInstance->ehciIpBase->USBCMD |= (0x02 << USBHS_USBCMD_FS_SHIFT);
#elif(USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE == 128)
ehciInstance->ehciIpBase->USBCMD |= (0x03 << USBHS_USBCMD_FS_SHIFT);
#endif
#endif
}
/* start the controller */
ehciInstance->ehciIpBase->USBCMD = USBHS_USBCMD_RS_MASK;
/* set timer0 */
ehciInstance->ehciIpBase->GPTIMER0LD = (300 * 1000 - 1); /* 100ms */
/* enable interrupt (USB interrupt enable + USB error interrupt enable + port change detect enable + system error
* enable + interrupt on async advance enable) + general purpos Timer 0 Interrupt enable */
ehciInstance->ehciIpBase->USBINTR |= (0x1000037);
return kStatus_USB_Success;
}
static usb_status_t USB_HostEhciCancelPipe(usb_host_ehci_instance_t *ehciInstance,
usb_host_ehci_pipe_t *ehciPipePointer,
usb_host_transfer_t *transfer)
{
usb_host_ehci_qh_t *qhPointer;
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
usb_host_ehci_iso_t *isoPointer;
uint32_t speed;
#endif
uint8_t cancelPipe = 0;
switch (ehciPipePointer->pipeCommon.pipeType)
{
case USB_ENDPOINT_BULK:
case USB_ENDPOINT_CONTROL:
case USB_ENDPOINT_INTERRUPT:
qhPointer = (usb_host_ehci_qh_t *)ehciPipePointer->ehciQh;
if (qhPointer->ehciTransferHead == NULL) /* there is no transfer to cancel */
{
return kStatus_USB_Success;
}
if (transfer != NULL)
{
if ((qhPointer->ehciTransferHead == transfer) &&
(qhPointer->ehciTransferHead == qhPointer->ehciTransferTail)) /* only has this one transfer */
{
cancelPipe = 1;
}
else
{
cancelPipe = 0;
}
}
else
{
cancelPipe = 1;
}
if (cancelPipe == 1) /* cancel all pipe */
{
USB_HostEhciQhQtdListDeinit(ehciInstance, ehciPipePointer); /* release all the qtd */
}
else /* cancel one transfer */
{
USB_HostEhciTransferQtdListDeinit(ehciInstance, ehciPipePointer, transfer);
}
break;
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
case USB_ENDPOINT_ISOCHRONOUS:
isoPointer = (usb_host_ehci_iso_t *)ehciPipePointer->ehciQh;
if (isoPointer->ehciTransferHead == NULL) /* there is no transfer to cancel */
{
return kStatus_USB_Success;
}
/* cancel all pipe, don't implement canceling transfer for iso */
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed,
&speed);
if (speed == USB_SPEED_HIGH)
{
#if ((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD))
USB_HostEhciItdArrayDeinit(ehciInstance, ehciPipePointer); /* de-initialize itd */
#endif
}
else
{
#if ((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD))
USB_HostEhciSitdArrayDeinit(ehciInstance, ehciPipePointer); /* de-initialize sitd */
#endif
}
break;
#endif
default:
break;
}
return kStatus_USB_Success;
}
static usb_status_t USB_HostEhciControlBus(usb_host_ehci_instance_t *ehciInstance, uint8_t busControl)
{
usb_status_t status = kStatus_USB_Success;
uint32_t portScRegister;
switch (busControl)
{
case kUSB_HostBusReset:
/* reset port */
portScRegister = ehciInstance->ehciIpBase->PORTSC1;
portScRegister &= (~EHCI_PORTSC1_W1_BITS);
ehciInstance->ehciIpBase->PORTSC1 = (portScRegister | USBHS_PORTSC1_PR_MASK);
while (ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_PR_MASK)
{
}
break;
case kUSB_HostBusRestart:
ehciInstance->deviceAttached = kEHCIDeviceDetached;
ehciInstance->ehciIpBase->USBINTR |= (USBHS_USBINTR_PCE_MASK); /* enable ehci port change interrupt */
break;
case kUSB_HostBusEnableAttach: /* enable device attach */
if (ehciInstance->deviceAttached == kEHCIDeviceDetached)
{
ehciInstance->ehciIpBase->USBINTR |= (USBHS_USBINTR_PCE_MASK); /* enable ehci port change interrupt */
}
break;
case kUSB_HostBusDisableAttach: /* disable device attach */
ehciInstance->ehciIpBase->USBINTR &= (~USBHS_USBINTR_PCE_MASK); /* disable ehci port change interrupt */
break;
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
case kUSB_HostBusSuspend:
if (ehciInstance->ehciIpBase->PORTSC1 && USBHS_PORTSC1_CCS_MASK)
{
/* set timer1 */
ehciInstance->ehciIpBase->GPTIMER1LD = (1 * 1000); /* 1ms */
ehciInstance->ehciIpBase->GPTIMER1CTL |=
(USBHS_GPTIMER0CTL_RUN_MASK | USBHS_GPTIMER0CTL_MODE_MASK | USBHS_GPTIMER0CTL_RST_MASK);
USB_HostEhciStopAsync(ehciInstance);
USB_HostEhciStopPeriodic(ehciInstance);
while (ehciInstance->ehciIpBase->USBSTS & (USBHS_USBSTS_PS_MASK | USBHS_USBSTS_AS_MASK))
{
__ASM("nop");
}
ehciInstance->ehciIpBase->PORTSC1 &= ~USBHS_PORTSC1_WKCN_MASK;
ehciInstance->ehciIpBase->PORTSC1 |= USBHS_PORTSC1_WKDS_MASK;
ehciInstance->ehciIpBase->PORTSC1 |= (USBHS_PORTSC1_SUSP_MASK); /* Suspend the device */
ehciInstance->matchTick = 0U;
ehciInstance->ehciIpBase->USBINTR |= (USBHS_USBINTR_TIE1_MASK);
ehciInstance->busSuspendStatus = kBus_EhciStartSuspend;
}
else
{
status = kStatus_USB_Error;
}
break;
case kUSB_HostBusResume:
ehciInstance->ehciIpBase->PORTSC1 &= ~(USBHS_PORTSC1_SUSP_MASK); /* Clear Suspend bit */
ehciInstance->ehciIpBase->PORTSC1 &= ~USBHS_PORTSC1_PHCD_MASK;
if (ehciInstance->deviceAttached != kEHCIDeviceDetached)
{
ehciInstance->busSuspendStatus = kBus_EhciStartResume;
#if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U))
ehciInstance->registerNcBase->USB_OTGn_CTRL &= ~USBNC_USB_OTGn_CTRL_WIE_MASK;
#else
ehciInstance->ehciIpBase->USBGENCTRL &= ~USBHS_USBGENCTRL_WU_IE_MASK;
#endif
ehciInstance->ehciIpBase->USBCMD |= (USBHS_USBCMD_RS_MASK);
ehciInstance->ehciIpBase->PORTSC1 |= (USBHS_PORTSC1_FPR_MASK); /* Resume the device */
}
else
{
status = kStatus_USB_Error;
}
break;
#endif
default:
status = kStatus_USB_Error;
break;
}
return status;
}
void USB_HostEhciTransactionDone(usb_host_ehci_instance_t *ehciInstance)
{
/* process async QH */
usb_host_ehci_pipe_t *ehciPipePointer;
usb_host_ehci_pipe_t *ehciClearPipePointer = NULL;
volatile usb_host_ehci_qh_t *vltQhPointer;
volatile usb_host_ehci_qtd_t *vltQtdPointer;
usb_host_transfer_t *transfer;
usb_host_transfer_t *nextTransfer;
uint32_t qtdStatus = 0;
#if ((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD))
volatile usb_host_ehci_itd_t *vltItdPointer;
uint8_t index = 0;
#endif
#if ((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD))
volatile usb_host_ehci_sitd_t *vltSitdPointer;
#endif
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
usb_host_ehci_iso_t *isoPointer;
uint32_t dataLength;
uint32_t speed;
#endif
ehciPipePointer = ehciInstance->ehciRunningPipeList; /* check all the running pipes */
while (ehciPipePointer != NULL)
{
switch (ehciPipePointer->pipeCommon.pipeType)
{
case USB_ENDPOINT_BULK:
case USB_ENDPOINT_INTERRUPT:
case USB_ENDPOINT_CONTROL:
vltQhPointer = (volatile usb_host_ehci_qh_t *)ehciPipePointer->ehciQh; /* pipe's qh */
transfer = vltQhPointer->ehciTransferHead; /* qh's transfer */
while (transfer != NULL)
{
nextTransfer = transfer->next;
/* normal case */
vltQtdPointer = (volatile usb_host_ehci_qtd_t *)transfer->union2.unitTail;
if ((vltQtdPointer->transferResults[0] & (EHCI_HOST_QTD_IOC_MASK)) &&
(!(vltQtdPointer->transferResults[0] &
EHCI_HOST_QTD_STATUS_ACTIVE_MASK))) /* transfer is done */
{
qtdStatus = (vltQtdPointer->transferResults[0] & EHCI_HOST_QTD_STATUS_ERROR_MASK);
transfer->transferSofar =
USB_HostEhciQtdListRelease(ehciInstance, (usb_host_ehci_qtd_t *)(transfer->union1.unitHead),
(usb_host_ehci_qtd_t *)(transfer->union2.unitTail));
transfer->transferSofar = (transfer->transferLength < transfer->transferSofar) ?
0 :
(transfer->transferLength - transfer->transferSofar);
vltQhPointer->ehciTransferHead = transfer->next;
vltQhPointer->timeOutLabel = 0;
vltQhPointer->timeOutValue = USB_HOST_EHCI_CONTROL_BULK_TIME_OUT_VALUE;
if (qtdStatus) /* has errors */
{
if (!(vltQhPointer->transferOverlayResults[0] & EHCI_HOST_QTD_STATUS_ACTIVE_MASK))
{
vltQhPointer->transferOverlayResults[0] &=
(~EHCI_HOST_QTD_STATUS_MASK); /* clear error status */
}
if (qtdStatus & EHCI_HOST_QH_STATUS_NOSTALL_ERROR_MASK)
{
transfer->callbackFn(transfer->callbackParam, transfer,
kStatus_USB_TransferFailed); /* transfer fail */
}
else
{
transfer->callbackFn(transfer->callbackParam, transfer,
kStatus_USB_TransferStall); /* transfer stall */
}
}
else
{
if ((ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_CONTROL) &&
(transfer->setupPacket->bRequest == USB_REQUEST_STANDARD_CLEAR_FEATURE) &&
(transfer->setupPacket->bmRequestType == USB_REQUEST_TYPE_RECIPIENT_ENDPOINT) &&
((USB_SHORT_FROM_LITTLE_ENDIAN(transfer->setupPacket->wValue) & 0x00FFu) ==
USB_REQUEST_STANDARD_FEATURE_SELECTOR_ENDPOINT_HALT))
{
ehciClearPipePointer = ehciInstance->ehciRunningPipeList;
while (ehciClearPipePointer != NULL)
{
/* only compute bulk and interrupt pipe */
if (((ehciClearPipePointer->pipeCommon.endpointAddress |
(ehciClearPipePointer->pipeCommon.direction
<< USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT)) ==
(uint8_t)(USB_SHORT_FROM_LITTLE_ENDIAN(transfer->setupPacket->wIndex))) &&
(ehciClearPipePointer->pipeCommon.deviceHandle ==
ehciPipePointer->pipeCommon.deviceHandle))
{
break;
}
ehciClearPipePointer =
(usb_host_ehci_pipe_t *)ehciClearPipePointer->pipeCommon.next;
}
if ((ehciClearPipePointer != NULL) &&
((ehciClearPipePointer->pipeCommon.pipeType == USB_ENDPOINT_INTERRUPT) ||
(ehciClearPipePointer->pipeCommon.pipeType == USB_ENDPOINT_BULK)))
{
((volatile usb_host_ehci_qh_t *)(ehciClearPipePointer->ehciQh))
->transferOverlayResults[0] &= (~EHCI_HOST_QTD_DT_MASK);
}
}
transfer->callbackFn(transfer->callbackParam, transfer,
kStatus_USB_Success); /* transfer success */
}
}
else if ((!(vltQhPointer->transferOverlayResults[0] & EHCI_HOST_QTD_STATUS_ACTIVE_MASK)) &&
(vltQhPointer->transferOverlayResults[0] &
EHCI_HOST_QH_STATUS_ERROR_MASK)) /* there is error and transfer is done */
{
qtdStatus = (vltQhPointer->transferOverlayResults[0] & EHCI_HOST_QH_STATUS_ERROR_MASK);
vltQtdPointer = (volatile usb_host_ehci_qtd_t *)(vltQhPointer->currentQtdPointer);
if (((uint32_t)vltQtdPointer & EHCI_HOST_T_INVALID_VALUE) ||
(vltQtdPointer == NULL)) /* the error status is unreasonable */
{
vltQhPointer->transferOverlayResults[0] &=
(~EHCI_HOST_QTD_STATUS_MASK); /* clear error status */
}
else
{
/* remove qtd from qh */
while ((vltQtdPointer != NULL) && (!(vltQtdPointer->transferResults[0] &
EHCI_HOST_QTD_IOC_MASK))) /* find the IOC qtd */
{
vltQtdPointer = (volatile usb_host_ehci_qtd_t *)vltQtdPointer->nextQtdPointer;
}
vltQhPointer->nextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
vltQhPointer->currentQtdPointer = EHCI_HOST_T_INVALID_VALUE;
vltQhPointer->transferOverlayResults[0] &=
(~EHCI_HOST_QTD_STATUS_MASK); /* clear error status */
if (vltQtdPointer != NULL)
{
vltQhPointer->nextQtdPointer = vltQtdPointer->nextQtdPointer;
}
transfer->transferSofar = USB_HostEhciQtdListRelease(
ehciInstance, (usb_host_ehci_qtd_t *)(transfer->union1.unitHead),
(usb_host_ehci_qtd_t *)(transfer->union2.unitTail));
transfer->transferSofar = (transfer->transferLength < transfer->transferSofar) ?
0 :
(transfer->transferLength - transfer->transferSofar);
vltQhPointer->ehciTransferHead = transfer->next;
vltQhPointer->timeOutLabel = 0;
vltQhPointer->timeOutValue = USB_HOST_EHCI_CONTROL_BULK_TIME_OUT_VALUE;
if (qtdStatus & EHCI_HOST_QH_STATUS_NOSTALL_ERROR_MASK)
{
transfer->callbackFn(transfer->callbackParam, transfer,
kStatus_USB_TransferFailed); /* transfer fail */
}
else
{
transfer->callbackFn(transfer->callbackParam, transfer,
kStatus_USB_TransferStall); /* transfer stall */
}
}
}
else
{
break;
}
transfer = nextTransfer;
}
break;
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
case USB_ENDPOINT_ISOCHRONOUS:
qtdStatus = 0; /* qtdStatus means break here, because there is only one break in while for misra */
isoPointer = (usb_host_ehci_iso_t *)ehciPipePointer->ehciQh; /* pipe's usb_host_ehci_iso_t */
transfer = isoPointer->ehciTransferHead; /* usb_host_ehci_iso_t's transfer */
while (transfer != NULL)
{
nextTransfer = transfer->next;
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle,
kUSB_HostGetDeviceSpeed, &speed);
if (speed == USB_SPEED_HIGH)
{
#if ((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD))
vltItdPointer =
(volatile usb_host_ehci_itd_t *)(transfer->union2.unitTail); /* transfer's last itd */
for (index = 0; index < 8; ++index)
{
if (vltItdPointer->transactions[index] & EHCI_HOST_ITD_STATUS_ACTIVE_MASK)
{
break;
}
}
if (index == 8) /* transfer is done */
{
/* remove itd from frame list and release itd */
dataLength = USB_HostEhciItdArrayRelease(ehciInstance,
(usb_host_ehci_itd_t *)transfer->union1.unitHead,
(usb_host_ehci_itd_t *)transfer->union2.unitTail);
transfer->transferSofar = dataLength;
isoPointer->ehciTransferHead = transfer->next;
transfer->callbackFn(transfer->callbackParam, transfer,
kStatus_USB_Success); /* transfer callback success */
/* TODO: iso callback error */
}
else
{
qtdStatus = 1; /* break */
}
#endif
}
else
{
#if ((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD))
vltSitdPointer =
(volatile usb_host_ehci_sitd_t *)(transfer->union2.unitTail); /* transfer's last sitd */
if (!(vltSitdPointer->transferResults[0] &
EHCI_HOST_SITD_STATUS_ACTIVE_MASK)) /* transfer is done */
{
/* remove sitd from frame list and release itd */
dataLength = USB_HostEhciSitdArrayRelease(
ehciInstance, (usb_host_ehci_sitd_t *)transfer->union1.unitHead,
(usb_host_ehci_sitd_t *)transfer->union2.unitTail);
transfer->transferSofar = dataLength;
isoPointer->ehciTransferHead = transfer->next;
transfer->callbackFn(transfer->callbackParam, transfer,
kStatus_USB_Success); /* transfer callback success */
/* TODO: iso callback error */
}
else
{
qtdStatus = 1; /* break */
}
#endif
}
if (qtdStatus == 1)
{
break;
}
transfer = nextTransfer;
}
break;
#endif
default:
break;
}
ehciPipePointer = (usb_host_ehci_pipe_t *)ehciPipePointer->pipeCommon.next;
}
}
static void USB_HostEhciPortChange(usb_host_ehci_instance_t *ehciInstance)
{
/* note: only has one port */
uint32_t portScRegister = ehciInstance->ehciIpBase->PORTSC1;
int32_t sofStart = 0;
int32_t sofCount = 0;
uint32_t index;
if (portScRegister & USBHS_PORTSC1_CSC_MASK) /* connection status change */
{
sofStart = (int32_t)(ehciInstance->ehciIpBase->FRINDEX & EHCI_MAX_UFRAME_VALUE);
/* process CSC bit */
while (1)
{
portScRegister = ehciInstance->ehciIpBase->PORTSC1;
if (portScRegister & USBHS_PORTSC1_CSC_MASK)
{
/* clear csc bit */
portScRegister = ehciInstance->ehciIpBase->PORTSC1;
portScRegister &= (~EHCI_PORTSC1_W1_BITS);
ehciInstance->ehciIpBase->PORTSC1 = (portScRegister | USBHS_PORTSC1_CSC_MASK);
}
sofCount = (int32_t)(ehciInstance->ehciIpBase->FRINDEX & EHCI_MAX_UFRAME_VALUE);
if (((sofCount - sofStart + EHCI_MAX_UFRAME_VALUE + 1) & EHCI_MAX_UFRAME_VALUE) >
(1 * 8)) /* delay 1ms to clear CSC */
{
break;
}
}
}
/* process CCS bit */
portScRegister = ehciInstance->ehciIpBase->PORTSC1;
if (portScRegister & USBHS_PORTSC1_CCS_MASK) /* process attach */
{
if ((ehciInstance->deviceAttached == kEHCIDevicePhyAttached) ||
(ehciInstance->deviceAttached == kEHCIDeviceAttached))
{
return;
}
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
ehciInstance->busSuspendStatus = kBus_EhciIdle;
ehciInstance->ehciIpBase->USBINTR &= ~(USBHS_USBINTR_TIE1_MASK);
#endif
for (index = 0; index < USB_HOST_EHCI_PORT_CONNECT_DEBOUNCE_DELAY; ++index)
{
USB_HostEhciDelay(ehciInstance->ehciIpBase, 1);
if (!(ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_CCS_MASK))
{
break;
}
}
if (index < USB_HOST_EHCI_PORT_CONNECT_DEBOUNCE_DELAY) /* CCS is cleared */
{
ehciInstance->deviceAttached = kEHCIDeviceDetached;
return;
}
/* reset port */
portScRegister = ehciInstance->ehciIpBase->PORTSC1;
portScRegister &= (~EHCI_PORTSC1_W1_BITS);
ehciInstance->ehciIpBase->PORTSC1 = (portScRegister | USBHS_PORTSC1_PR_MASK);
while (ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_PR_MASK)
{
}
ehciInstance->firstDeviceSpeed =
((ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_PSPD_MASK) >> USBHS_PORTSC1_PSPD_SHIFT);
/* enable ehci phy disconnection */
if (ehciInstance->firstDeviceSpeed == USB_SPEED_HIGH)
{
USB_EhcihostPhyDisconnectDetectCmd(ehciInstance->controllerId, 1);
}
/* wait for reset */
USB_HostEhciDelay(ehciInstance->ehciIpBase, USB_HOST_EHCI_PORT_RESET_DELAY);
/* process attach */
USB_OsaEventSet(ehciInstance->taskEventHandle, EHCI_TASK_EVENT_DEVICE_ATTACH);
/* gpt timer start */
ehciInstance->ehciIpBase->GPTIMER0CTL |=
(USBHS_GPTIMER0CTL_RUN_MASK | USBHS_GPTIMER0CTL_MODE_MASK | USBHS_GPTIMER0CTL_RST_MASK);
ehciInstance->deviceAttached = kEHCIDevicePhyAttached;
}
else
{
if ((ehciInstance->deviceAttached == kEHCIDevicePhyAttached) ||
(ehciInstance->deviceAttached == kEHCIDeviceAttached))
{
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
ehciInstance->busSuspendStatus = kBus_EhciIdle;
ehciInstance->ehciIpBase->USBINTR &= ~(USBHS_USBINTR_TIE1_MASK);
#endif
/* disable ehci phy disconnection */
USB_EhcihostPhyDisconnectDetectCmd(ehciInstance->controllerId, 0);
/* disable async and periodic */
USB_HostEhciStopAsync(ehciInstance);
USB_HostEhciStopPeriodic(ehciInstance);
USB_OsaEventSet(ehciInstance->taskEventHandle, EHCI_TASK_EVENT_DEVICE_DETACH);
}
}
}
static void USB_HostEhciTimer0(usb_host_ehci_instance_t *ehciInstance)
{
volatile usb_host_ehci_qh_t *vltQhPointer;
volatile usb_host_ehci_qtd_t *vltQtdPointer;
usb_host_transfer_t *transfer;
uint32_t backValue;
volatile uint32_t *totalBytesAddress = NULL;
usb_host_ehci_pipe_t *ehciPipePointer = ehciInstance->ehciRunningPipeList;
uint8_t timeoutLabel;
while (ehciPipePointer != NULL)
{
switch (ehciPipePointer->pipeCommon.pipeType)
{
case USB_ENDPOINT_BULK:
case USB_ENDPOINT_CONTROL:
vltQhPointer = (volatile usb_host_ehci_qh_t *)ehciPipePointer->ehciQh; /* pipe's qh */
transfer = vltQhPointer->ehciTransferHead; /* qh's transfer */
if ((transfer != NULL)) /* there is transfering data */
{
timeoutLabel = 0;
if (ehciInstance->deviceAttached != kEHCIDeviceAttached)
{
vltQtdPointer = (volatile usb_host_ehci_qtd_t *)transfer->union2.unitTail;
vltQhPointer->nextQtdPointer = EHCI_HOST_T_INVALID_VALUE; /* invalid next qtd */
vltQhPointer->transferOverlayResults[0] &=
(~EHCI_HOST_QTD_STATUS_MASK); /* clear error status */
timeoutLabel = 1;
}
else
{
if (vltQhPointer->transferOverlayResults[0] & EHCI_HOST_QTD_STATUS_ACTIVE_MASK)
{
vltQtdPointer = (volatile usb_host_ehci_qtd_t *)vltQhPointer->currentQtdPointer;
totalBytesAddress = &(vltQhPointer->transferOverlayResults[0]);
}
else
{
vltQtdPointer = (volatile usb_host_ehci_qtd_t *)transfer->union2.unitTail;
totalBytesAddress = ((uint32_t *)vltQtdPointer + 2);
}
backValue =
(((*totalBytesAddress) & EHCI_HOST_QTD_TOTAL_BYTES_MASK) >>
EHCI_HOST_QTD_TOTAL_BYTES_SHIFT); /* backValue is used for total bytes to transfer */
if (vltQhPointer->timeOutLabel != backValue) /* use total bytes to reflect the time out */
{
vltQhPointer->timeOutValue = USB_HOST_EHCI_CONTROL_BULK_TIME_OUT_VALUE;
vltQhPointer->timeOutLabel = backValue;
}
else
{
/* time out when the total bytes don't change for the duration
* USB_HOST_EHCI_CONTROL_BULK_TIME_OUT_VALUE
*/
(vltQhPointer->timeOutValue)--;
if (vltQhPointer->timeOutValue == 0)
{
/* stop the qh schedule */
USB_HostEhciStopAsync(ehciInstance);
if (backValue != (((*totalBytesAddress) & EHCI_HOST_QTD_TOTAL_BYTES_MASK) >>
EHCI_HOST_QTD_TOTAL_BYTES_SHIFT))
{
USB_HostEhciStartAsync(ehciInstance);
}
else
{
vltQhPointer->nextQtdPointer = EHCI_HOST_T_INVALID_VALUE; /* invalid next qtd */
vltQhPointer->transferOverlayResults[0] &=
(~EHCI_HOST_QTD_STATUS_MASK); /* clear error status */
USB_HostEhciStartAsync(ehciInstance);
timeoutLabel = 1;
}
}
}
}
if (timeoutLabel == 1)
{
/* remove qtd from qh */
while ((vltQtdPointer != NULL) &&
(!(vltQtdPointer->transferResults[0] & EHCI_HOST_QTD_IOC_MASK)) &&
(vltQtdPointer != (usb_host_ehci_qtd_t *)vltQhPointer->ehciTransferTail))
{
vltQtdPointer = (volatile usb_host_ehci_qtd_t *)vltQtdPointer->nextQtdPointer;
}
if ((vltQtdPointer != NULL) && (!(vltQtdPointer->nextQtdPointer & EHCI_HOST_T_INVALID_VALUE)))
{
vltQhPointer->nextQtdPointer =
vltQtdPointer->nextQtdPointer; /* start qh if there are other qtd that don't belong to
the transfer */
}
transfer->transferSofar =
USB_HostEhciQtdListRelease(ehciInstance, (usb_host_ehci_qtd_t *)(transfer->union1.unitHead),
(usb_host_ehci_qtd_t *)(transfer->union2.unitTail));
transfer->transferSofar = (transfer->transferLength < transfer->transferSofar) ?
0 :
(transfer->transferLength - transfer->transferSofar);
vltQhPointer->ehciTransferHead = transfer->next;
vltQhPointer->timeOutValue = USB_HOST_EHCI_CONTROL_BULK_TIME_OUT_VALUE;
transfer->callbackFn(transfer->callbackParam, transfer, kStatus_USB_TransferFailed);
}
}
break;
default:
break;
}
ehciPipePointer = (usb_host_ehci_pipe_t *)ehciPipePointer->pipeCommon.next;
}
}
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
static void USB_HostEhciTimer1(usb_host_ehci_instance_t *ehciInstance)
{
if (ehciInstance->deviceAttached != kEHCIDeviceDetached)
{
if (kBus_EhciStartSuspend == ehciInstance->busSuspendStatus)
{
usb_host_instance_t *hostPointer = (usb_host_instance_t *)ehciInstance->hostHandle;
if (0 == ehciInstance->matchTick)
{
ehciInstance->matchTick = hostPointer->hwTick;
}
else
{
if ((hostPointer->hwTick - ehciInstance->matchTick) >= 5)
{
ehciInstance->ehciIpBase->USBCMD &= ~USBHS_USBCMD_RS_MASK;
ehciInstance->ehciIpBase->USBSTS |= USBHS_USBSTS_SRI_MASK;
#if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U))
#if 0
ehciInstance->registerPhyBase->CTRL |= USBPHY_CTRL_ENVBUSCHG_WKUP_MASK
| USBPHY_CTRL_ENIDCHG_WKUP_MASK
| USBPHY_CTRL_ENDPDMCHG_WKUP_MASK
| USBPHY_CTRL_ENIRQRESUMEDETECT_MASK
;
#endif
#endif
ehciInstance->ehciIpBase->PORTSC1 |= USBHS_PORTSC1_PHCD_MASK;
ehciInstance->registerPhyBase->PWD = 0xFFFFFFFFU;
while (ehciInstance->registerPhyBase->CTRL & (USBPHY_CTRL_UTMI_SUSPENDM_MASK))
{
__ASM("nop");
}
#if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U))
ehciInstance->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;
ehciInstance->registerNcBase->USB_OTGn_CTRL |= USBNC_USB_OTGn_CTRL_WIE_MASK;
#else
ehciInstance->ehciIpBase->USBGENCTRL = USBHS_USBGENCTRL_WU_IE_MASK;
#endif
ehciInstance->registerPhyBase->CTRL |= USBPHY_CTRL_CLKGATE_MASK;
hostPointer->deviceCallback(hostPointer->suspendedDevice, NULL,
kUSB_HostEventSuspended); /* call host callback function */
ehciInstance->busSuspendStatus = kBus_EhciSuspended;
}
}
}
else if (kBus_EhciStartResume == ehciInstance->busSuspendStatus)
{
usb_host_instance_t *hostPointer = (usb_host_instance_t *)ehciInstance->hostHandle;
if (!(ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_FPR_MASK))
{
ehciInstance->ehciIpBase->PORTSC1 &= ~USBHS_PORTSC1_WKDS_MASK;
if (ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_CCS_MASK)
{
USB_HostEhciStartAsync(ehciInstance);
USB_HostEhciStartPeriodic(ehciInstance);
}
hostPointer->deviceCallback(hostPointer->suspendedDevice, NULL,
kUSB_HostEventResumed); /* call host callback function */
hostPointer->suspendedDevice = NULL;
ehciInstance->busSuspendStatus = kBus_EhciIdle;
ehciInstance->ehciIpBase->USBINTR &= ~(USBHS_USBINTR_TIE1_MASK);
}
}
else
{
}
}
else
{
ehciInstance->busSuspendStatus = kBus_EhciIdle;
ehciInstance->ehciIpBase->USBINTR &= ~(USBHS_USBINTR_TIE1_MASK);
}
}
#endif
usb_status_t USB_HostEhciCreate(uint8_t controllerId,
usb_host_handle upperLayerHandle,
usb_host_controller_handle *controllerHandle)
{
uint32_t index = 0;
usb_osa_status_t osaStatus;
usb_host_ehci_instance_t *ehciInstance;
uint32_t usbhsBaseAddrs[] = USBHS_BASE_ADDRS;
usb_host_ehci_data_t *usbHostEhciData[] = USB_HOST_EHCI_DATA_ARRAY;
uint8_t *usbHostEhciFrameList[] = USB_HOST_EHCI_FRAME_LIST_ARRAY;
uint32_t *framePointer;
if ((uint32_t)(controllerId - kUSB_ControllerEhci0) >= (sizeof(usbhsBaseAddrs) / sizeof(usbhsBaseAddrs[0])))
{
return kStatus_USB_ControllerNotFound;
}
*controllerHandle = NULL;
ehciInstance = (usb_host_ehci_instance_t *)USB_OsaMemoryAllocate(
sizeof(usb_host_ehci_instance_t)); /* malloc host ehci instance */
if (ehciInstance == NULL)
{
return kStatus_USB_AllocFail;
}
ehciInstance->controllerId = controllerId;
ehciInstance->hostHandle = upperLayerHandle;
ehciInstance->deviceAttached = kEHCIDeviceDetached;
ehciInstance->ehciIpBase = (USBHS_Type *)
usbhsBaseAddrs[controllerId - kUSB_ControllerEhci0]; /* operate ehci ip through the base address */
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
ehciInstance->busSuspendStatus = kBus_EhciIdle;
#if (defined(USB_HOST_CONFIG_LOW_POWER_MODE) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
ehciInstance->registerPhyBase = (USBPHY_Type *)USB_EhciPhyGetBase(controllerId);
#if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U))
ehciInstance->registerNcBase = (USBNC_Type *)USB_EhciNCGetBase(controllerId);
#endif
#endif
#endif
if (USB_HostEhciResetIP(ehciInstance) != kStatus_USB_Success) /* reset ehci ip */
{
USB_OsaMemoryFree(ehciInstance);
return kStatus_USB_Error;
}
/* initialize ehci frame list */
ehciInstance->ehciFrameList = usbHostEhciFrameList[ehciInstance->controllerId - kUSB_ControllerEhci0];
/* initialize ehci units */
ehciInstance->ehciUnitBase = (uint32_t *)(usbHostEhciData[ehciInstance->controllerId - kUSB_ControllerEhci0]);
/* initialize qh/qtd/itd/sitd/iso list */
ehciInstance->ehciQhList = (usb_host_ehci_qh_t *)((uint32_t)(ehciInstance->ehciUnitBase));
ehciInstance->ehciQtdHead = (usb_host_ehci_qtd_t *)((uint32_t)ehciInstance->ehciQhList +
(sizeof(usb_host_ehci_qh_t) * USB_HOST_CONFIG_EHCI_MAX_QH));
ehciInstance->ehciItdList = (usb_host_ehci_itd_t *)((uint32_t)ehciInstance->ehciQtdHead +
(sizeof(usb_host_ehci_qtd_t) * USB_HOST_CONFIG_EHCI_MAX_QTD));
ehciInstance->ehciSitdList = ehciInstance->ehciSitdIndexBase =
(usb_host_ehci_sitd_t *)((uint32_t)ehciInstance->ehciItdList +
(sizeof(usb_host_ehci_itd_t) * USB_HOST_CONFIG_EHCI_MAX_ITD));
ehciInstance->ehciIsoList = (usb_host_ehci_iso_t *)((uint32_t)ehciInstance->ehciSitdList +
(sizeof(usb_host_ehci_sitd_t) * USB_HOST_CONFIG_EHCI_MAX_SITD));
ehciInstance->ehciPipeIndexBase =
(usb_host_ehci_pipe_t *)((uint32_t)ehciInstance->ehciIsoList +
(sizeof(usb_host_ehci_iso_t) * USB_HOST_EHCI_ISO_NUMBER));
for (index = 1; index < USB_HOST_CONFIG_EHCI_MAX_QH; ++index)
{
ehciInstance->ehciQhList[index - 1].horizontalLinkPointer = (uint32_t)(&ehciInstance->ehciQhList[index]);
}
ehciInstance->ehciQhList[USB_HOST_CONFIG_EHCI_MAX_QH - 1].horizontalLinkPointer = (uint32_t)NULL;
for (index = 1; index < USB_HOST_CONFIG_EHCI_MAX_QTD; ++index)
{
ehciInstance->ehciQtdHead[index - 1].nextQtdPointer = (uint32_t)(&ehciInstance->ehciQtdHead[index]);
}
ehciInstance->ehciQtdNumber = USB_HOST_CONFIG_EHCI_MAX_QTD;
ehciInstance->ehciQtdHead[USB_HOST_CONFIG_EHCI_MAX_QTD - 1].nextQtdPointer = (uint32_t)NULL;
ehciInstance->ehciQtdTail = &ehciInstance->ehciQtdHead[USB_HOST_CONFIG_EHCI_MAX_QTD - 1];
#if ((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD))
for (index = 1; index < USB_HOST_CONFIG_EHCI_MAX_ITD; ++index)
{
ehciInstance->ehciItdList[index - 1].nextLinkPointer = (uint32_t)(&ehciInstance->ehciItdList[index]);
}
ehciInstance->ehciItdNumber = USB_HOST_CONFIG_EHCI_MAX_ITD;
ehciInstance->ehciItdList[USB_HOST_CONFIG_EHCI_MAX_ITD - 1].nextLinkPointer = (uint32_t)NULL;
#endif /* USB_HOST_CONFIG_EHCI_MAX_ITD */
#if ((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD))
for (index = 1; index < USB_HOST_CONFIG_EHCI_MAX_SITD; ++index)
{
ehciInstance->ehciSitdList[index - 1].nextLinkPointer = (uint32_t)(&ehciInstance->ehciSitdList[index]);
}
ehciInstance->ehciSitdNumber = USB_HOST_CONFIG_EHCI_MAX_SITD;
ehciInstance->ehciSitdList[USB_HOST_CONFIG_EHCI_MAX_SITD - 1].nextLinkPointer = (uint32_t)NULL;
#endif /* USB_HOST_CONFIG_EHCI_MAX_SITD */
#if ((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD))
for (index = 1; index < USB_HOST_EHCI_ISO_NUMBER; ++index)
{
ehciInstance->ehciIsoList[index - 1].next = &ehciInstance->ehciIsoList[index];
}
ehciInstance->ehciIsoList[USB_HOST_EHCI_ISO_NUMBER - 1].next = NULL;
#endif
/* initialize pipes */
ehciInstance->ehciPipeList = ehciInstance->ehciPipeIndexBase;
for (index = 1; index < USB_HOST_CONFIG_MAX_PIPES; ++index)
{
ehciInstance->ehciPipeList[index - 1].pipeCommon.next = (usb_host_pipe_t *)&ehciInstance->ehciPipeList[index];
}
/* initialize mutext */
osaStatus = USB_OsaMutexCreate(&ehciInstance->ehciMutex);
if (osaStatus != kStatus_USB_OSA_Success)
{
#ifdef HOST_ECHO
usb_echo("ehci mutex init fail\r\n");
#endif
USB_OsaMemoryFree(ehciInstance);
return kStatus_USB_Error;
}
/* initialize task event */
osaStatus = USB_OsaEventCreate(&ehciInstance->taskEventHandle, 1);
if (osaStatus != kStatus_USB_OSA_Success)
{
#ifdef HOST_ECHO
usb_echo("ehci event init fail\r\n");
#endif
USB_OsaMutexDestroy(ehciInstance->ehciMutex);
USB_OsaMemoryFree(ehciInstance);
return kStatus_USB_Error;
}
/* initialize first qh */
ehciInstance->shedFirstQh = ehciInstance->ehciQhList;
ehciInstance->ehciQhList =
(usb_host_ehci_qh_t *)(ehciInstance->ehciQhList->horizontalLinkPointer & EHCI_HOST_POINTER_ADDRESS_MASK);
ehciInstance->shedFirstQh->staticEndpointStates[0] |= (1 << EHCI_HOST_QH_H_SHIFT); /* first qh */
ehciInstance->shedFirstQh->horizontalLinkPointer = EHCI_HOST_T_INVALID_VALUE;
ehciInstance->shedFirstQh->currentQtdPointer = EHCI_HOST_T_INVALID_VALUE;
ehciInstance->shedFirstQh->nextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
ehciInstance->shedFirstQh->alternateNextQtdPointer = EHCI_HOST_T_INVALID_VALUE;
ehciInstance->shedFirstQh->horizontalLinkPointer =
(uint32_t)((uint32_t)(ehciInstance->shedFirstQh) | EHCI_HOST_POINTER_TYPE_QH);
/* initialize periodic list */
framePointer = (uint32_t *)ehciInstance->ehciFrameList;
for (index = 0; index < USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE; ++index)
{
framePointer[index] = EHCI_HOST_T_INVALID_VALUE;
}
USB_HostEhciStartIP(ehciInstance); /* start ehci ip */
*controllerHandle = ehciInstance;
return kStatus_USB_Success;
}
usb_status_t USB_HostEhciDestory(usb_host_controller_handle controllerHandle)
{
usb_host_ehci_instance_t *ehciInstance = (usb_host_ehci_instance_t *)controllerHandle;
/* disable all interrupts */
ehciInstance->ehciIpBase->USBINTR = 0;
/* stop the controller */
ehciInstance->ehciIpBase->USBCMD = 0;
/* free memory */
USB_OsaMutexDestroy(ehciInstance->ehciMutex);
USB_OsaEventDestroy(ehciInstance->taskEventHandle);
USB_OsaMemoryFree(ehciInstance);
return kStatus_USB_Success;
}
usb_status_t USB_HostEhciOpenPipe(usb_host_controller_handle controllerHandle,
usb_host_pipe_handle *pipeHandle,
usb_host_pipe_init_t *pipeInit)
{
usb_host_ehci_pipe_t *ehciPipePointer = NULL;
usb_status_t status;
uint32_t speed;
usb_host_ehci_instance_t *ehciInstance = (usb_host_ehci_instance_t *)controllerHandle;
/* get one pipe */
USB_HostEhciLock();
if (ehciInstance->ehciPipeList != NULL)
{
ehciPipePointer = ehciInstance->ehciPipeList;
ehciInstance->ehciPipeList = (usb_host_ehci_pipe_t *)ehciPipePointer->pipeCommon.next;
}
USB_HostEhciUnlock();
if (ehciPipePointer == NULL)
{
#ifdef HOST_ECHO
usb_echo("ehci open pipe failed\r\n");
#endif
return kStatus_USB_Busy;
}
/* initialize pipe informations */
USB_HostEhciZeroMem((uint32_t *)ehciPipePointer, sizeof(usb_host_ehci_pipe_t) / 4);
ehciPipePointer->pipeCommon.deviceHandle = pipeInit->devInstance;
ehciPipePointer->pipeCommon.endpointAddress = pipeInit->endpointAddress;
ehciPipePointer->pipeCommon.direction = pipeInit->direction;
ehciPipePointer->pipeCommon.interval = pipeInit->interval;
ehciPipePointer->pipeCommon.maxPacketSize = pipeInit->maxPacketSize;
ehciPipePointer->pipeCommon.pipeType = pipeInit->pipeType;
ehciPipePointer->pipeCommon.numberPerUframe = pipeInit->numberPerUframe;
if (ehciPipePointer->pipeCommon.numberPerUframe == 0)
{
ehciPipePointer->pipeCommon.numberPerUframe = 1;
}
ehciPipePointer->pipeCommon.nakCount = pipeInit->nakCount;
ehciPipePointer->pipeCommon.nextdata01 = 0;
ehciPipePointer->ehciQh = NULL;
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed, &speed);
if (ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_ISOCHRONOUS)
{
ehciPipePointer->pipeCommon.interval =
(1 << (ehciPipePointer->pipeCommon.interval - 1)); /* iso interval is the power of 2 */
}
else if (ehciPipePointer->pipeCommon.pipeType == USB_ENDPOINT_INTERRUPT)
{
if (speed == USB_SPEED_HIGH)
{
ehciPipePointer->pipeCommon.interval =
(1 << (ehciPipePointer->pipeCommon.interval - 1)); /* HS interrupt interval is the power of 2 */
}
else
{
ehciPipePointer->pipeCommon.interval = USB_HostEhciGet2PowerValue(
ehciPipePointer->pipeCommon
.interval); /* FS/LS interrupt interval should be the power of 2, it is used for ehci bandwidth */
}
}
else
{
}
/* save the micro-frame interval, it is convenient for the interval process */
if (speed == USB_SPEED_HIGH)
{
ehciPipePointer->uframeInterval = ehciPipePointer->pipeCommon.interval;
}
else
{
ehciPipePointer->uframeInterval = 8 * ehciPipePointer->pipeCommon.interval;
}
/* open pipe */
switch (ehciPipePointer->pipeCommon.pipeType)
{
case USB_ENDPOINT_CONTROL:
case USB_ENDPOINT_BULK:
status = USB_HostEhciOpenControlBulk(ehciInstance, ehciPipePointer);
break;
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
case USB_ENDPOINT_ISOCHRONOUS:
status = USB_HostEhciOpenIso(ehciInstance, ehciPipePointer);
break;
#endif
case USB_ENDPOINT_INTERRUPT:
status = USB_HostEhciOpenInterrupt(ehciInstance, ehciPipePointer);
break;
default:
status = kStatus_USB_Error;
break;
}
if (status != kStatus_USB_Success)
{
/* release pipe */
USB_HostEhciLock();
ehciPipePointer->pipeCommon.next = (usb_host_pipe_t *)ehciInstance->ehciPipeList;
ehciInstance->ehciPipeList = ehciPipePointer;
USB_HostEhciUnlock();
return status;
}
/* add pipe to run pipe list */
USB_HostEhciLock();
ehciPipePointer->pipeCommon.next = (usb_host_pipe_t *)ehciInstance->ehciRunningPipeList;
ehciInstance->ehciRunningPipeList = ehciPipePointer;
USB_HostEhciUnlock();
*pipeHandle = ehciPipePointer;
return status;
}
usb_status_t USB_HostEhciClosePipe(usb_host_controller_handle controllerHandle, usb_host_pipe_handle pipeHandle)
{
usb_host_ehci_instance_t *ehciInstance = (usb_host_ehci_instance_t *)controllerHandle;
usb_host_ehci_pipe_t *ehciPipePointer = (usb_host_ehci_pipe_t *)pipeHandle;
usb_host_pipe_t *prevPointer = NULL;
switch (ehciPipePointer->pipeCommon.pipeType)
{
case USB_ENDPOINT_BULK:
case USB_ENDPOINT_CONTROL:
USB_HostEhciCloseControlBulk(ehciInstance, ehciPipePointer);
break;
case USB_ENDPOINT_INTERRUPT:
USB_HostEhciCloseInterrupt(ehciInstance, ehciPipePointer);
break;
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
case USB_ENDPOINT_ISOCHRONOUS:
USB_HostEhciCloseIso(ehciInstance, ehciPipePointer);
break;
#endif
default:
break;
}
/* delete pipe from run pipe list */
USB_HostEhciLock();
prevPointer = (usb_host_pipe_t *)ehciInstance->ehciRunningPipeList;
if (prevPointer == (usb_host_pipe_t *)ehciPipePointer)
{
ehciInstance->ehciRunningPipeList = (usb_host_ehci_pipe_t *)(prevPointer->next);
}
else
{
while (prevPointer != NULL)
{
if (prevPointer->next == (usb_host_pipe_t *)ehciPipePointer)
{
prevPointer->next = ehciPipePointer->pipeCommon.next;
break;
}
else
{
prevPointer = prevPointer->next;
}
}
}
USB_HostEhciUnlock();
/* release pipe */
USB_HostEhciLock();
ehciPipePointer->pipeCommon.next = (usb_host_pipe_t *)ehciInstance->ehciPipeList;
ehciInstance->ehciPipeList = ehciPipePointer;
USB_HostEhciUnlock();
return kStatus_USB_Success;
}
usb_status_t USB_HostEhciWritePipe(usb_host_controller_handle controllerHandle,
usb_host_pipe_handle pipeHandle,
usb_host_transfer_t *transfer)
{
usb_host_ehci_instance_t *ehciInstance = (usb_host_ehci_instance_t *)controllerHandle;
usb_host_ehci_pipe_t *ehciPipePointer = (usb_host_ehci_pipe_t *)pipeHandle;
usb_status_t status = kStatus_USB_Success;
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
uint32_t speed;
#endif
switch (ehciPipePointer->pipeCommon.pipeType)
{
case USB_ENDPOINT_BULK:
case USB_ENDPOINT_CONTROL:
case USB_ENDPOINT_INTERRUPT:
status = USB_HostEhciQhQtdListInit(ehciInstance, ehciPipePointer,
transfer); /* initialize qtd for control/bulk transfer */
break;
#if (((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD)) || \
((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD)))
case USB_ENDPOINT_ISOCHRONOUS:
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceSpeed,
&speed);
if (speed == USB_SPEED_HIGH)
{
#if ((defined USB_HOST_CONFIG_EHCI_MAX_ITD) && (USB_HOST_CONFIG_EHCI_MAX_ITD))
status = USB_HostEhciItdArrayInit(ehciInstance, ehciPipePointer,
transfer); /* initialize itd for iso transfer */
#endif
}
else
{
#if ((defined USB_HOST_CONFIG_EHCI_MAX_SITD) && (USB_HOST_CONFIG_EHCI_MAX_SITD))
status = USB_HostEhciSitdArrayInit(ehciInstance, ehciPipePointer,
transfer); /* initialize sitd for iso transfer */
#endif
}
break;
#endif
default:
break;
}
return status;
}
usb_status_t USB_HostEhciReadpipe(usb_host_controller_handle controllerHandle,
usb_host_pipe_handle pipeHandle,
usb_host_transfer_t *transfer)
{
return USB_HostEhciWritePipe(controllerHandle, pipeHandle, transfer); /* same as write */
}
usb_status_t USB_HostEhciIoctl(usb_host_controller_handle controllerHandle, uint32_t ioctlEvent, void *ioctlParam)
{
usb_status_t status = kStatus_USB_Success;
usb_host_ehci_instance_t *ehciInstance = (usb_host_ehci_instance_t *)controllerHandle;
usb_host_cancel_param_t *param;
usb_host_ehci_pipe_t *ehciPipePointer;
volatile usb_host_ehci_qh_t *vltQhPointer;
uint32_t deviceAddress;
if (controllerHandle == NULL)
{
return kStatus_USB_InvalidHandle;
}
switch (ioctlEvent)
{
case kUSB_HostCancelTransfer: /* cancel pipe or one transfer */
param = (usb_host_cancel_param_t *)ioctlParam;
status = USB_HostEhciCancelPipe(ehciInstance, (usb_host_ehci_pipe_t *)param->pipeHandle, param->transfer);
break;
case kUSB_HostBusControl: /* bus control */
status = USB_HostEhciControlBus(ehciInstance, *((uint8_t *)ioctlParam));
break;
case kUSB_HostGetFrameNumber: /* get frame number */
*((uint32_t *)ioctlParam) = ((ehciInstance->ehciIpBase->FRINDEX & EHCI_MAX_UFRAME_VALUE) >> 3);
break;
case kUSB_HostUpdateControlEndpointAddress:
ehciPipePointer = (usb_host_ehci_pipe_t *)ioctlParam;
vltQhPointer = (volatile usb_host_ehci_qh_t *)ehciPipePointer->ehciQh;
/* update address */
USB_HostHelperGetPeripheralInformation(ehciPipePointer->pipeCommon.deviceHandle, kUSB_HostGetDeviceAddress,
&deviceAddress);
vltQhPointer->staticEndpointStates[0] |= deviceAddress;
break;
case kUSB_HostUpdateControlPacketSize:
ehciPipePointer = (usb_host_ehci_pipe_t *)ioctlParam;
vltQhPointer = (volatile usb_host_ehci_qh_t *)ehciPipePointer->ehciQh;
USB_HostEhciLock();
if (ehciInstance->ehciIpBase->USBSTS & USBHS_USBSTS_AS_MASK)
{
USB_HostEhciStopAsync(ehciInstance);
/* update max packet size */
vltQhPointer->staticEndpointStates[0] =
(((vltQhPointer->staticEndpointStates[0]) & (~EHCI_HOST_QH_MAX_PACKET_LENGTH_MASK)) |
((uint32_t)ehciPipePointer->pipeCommon.maxPacketSize << EHCI_HOST_QH_MAX_PACKET_LENGTH_SHIFT));
USB_HostEhciStartAsync(ehciInstance);
}
else
{
/* update max packet size */
vltQhPointer->staticEndpointStates[0] =
(((vltQhPointer->staticEndpointStates[0]) & (~EHCI_HOST_QH_MAX_PACKET_LENGTH_MASK)) |
((uint32_t)ehciPipePointer->pipeCommon.maxPacketSize << EHCI_HOST_QH_MAX_PACKET_LENGTH_SHIFT));
}
USB_HostEhciUnlock();
break;
default:
break;
}
return status;
}
void USB_HostEhciTaskFunction(void *hostHandle)
{
usb_host_ehci_instance_t *ehciInstance;
uint32_t bitSet;
usb_device_handle deviceHandle;
if (hostHandle == NULL)
{
return;
}
ehciInstance = (usb_host_ehci_instance_t *)((usb_host_instance_t *)hostHandle)->controllerHandle;
if (USB_OsaEventWait(ehciInstance->taskEventHandle, 0xFF, 0, 0, &bitSet) ==
kStatus_USB_OSA_Success) /* wait all event */
{
if (bitSet & EHCI_TASK_EVENT_PORT_CHANGE) /* port change */
{
USB_HostEhciPortChange(ehciInstance);
}
if (bitSet & EHCI_TASK_EVENT_TIMER0) /* timer0 */
{
USB_HostEhciTimer0(ehciInstance);
}
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
if (bitSet & EHCI_TASK_EVENT_TIMER1) /* timer1 */
{
USB_HostEhciTimer1(ehciInstance);
}
#endif
if (ehciInstance->deviceAttached == kEHCIDeviceAttached)
{
if (bitSet & EHCI_TASK_EVENT_TRANSACTION_DONE) /* transaction done */
{
USB_HostEhciTransactionDone(ehciInstance);
}
if (bitSet & EHCI_TASK_EVENT_DEVICE_DETACH) /* device detach */
{
ehciInstance->ehciIpBase->USBINTR &=
(~USBHS_USBINTR_PCE_MASK); /* disable attach, enable when the detach process is done */
ehciInstance->deviceAttached = kEHCIDeviceDetached;
USB_HostDetachDevice(ehciInstance->hostHandle, 0, 0);
}
}
else if (ehciInstance->deviceAttached != kEHCIDeviceAttached)
{
if (bitSet & EHCI_TASK_EVENT_DEVICE_ATTACH) /* device is attached */
{
USB_HostEhciStartAsync(ehciInstance);
USB_HostEhciStartPeriodic(ehciInstance);
if (USB_HostAttachDevice(ehciInstance->hostHandle, ehciInstance->firstDeviceSpeed, 0, 0, 1,
&deviceHandle) == kStatus_USB_Success)
{
ehciInstance->deviceAttached = kEHCIDeviceAttached;
}
}
}
else
{
}
}
}
void USB_HostEhciIsrFunction(void *hostHandle)
{
usb_host_ehci_instance_t *ehciInstance;
static uint32_t interruptStatus = 0;
if (hostHandle == NULL)
{
return;
}
ehciInstance = (usb_host_ehci_instance_t *)((usb_host_instance_t *)hostHandle)->controllerHandle;
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
#if (defined(FSL_FEATURE_SOC_USBNC_COUNT) && (FSL_FEATURE_SOC_USBNC_COUNT > 0U))
if (ehciInstance->registerNcBase->USB_OTGn_CTRL & USBNC_USB_OTGn_CTRL_WIE_MASK)
{
usb_host_instance_t *hostPointer = (usb_host_instance_t *)ehciInstance->hostHandle;
ehciInstance->registerNcBase->USB_OTGn_CTRL &= ~USBNC_USB_OTGn_CTRL_WIE_MASK;
hostPointer->deviceCallback(hostPointer->suspendedDevice, NULL,
kUSB_HostEventDetectResume); /* call host callback function */
while (!(ehciInstance->registerNcBase->USB_OTGn_PHY_CTRL_0 & USBNC_USB_OTGn_PHY_CTRL_0_UTMI_CLK_VLD_MASK))
{
}
if (ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_CCS_MASK)
{
USB_HostEhciStartAsync(ehciInstance);
USB_HostEhciStartPeriodic(ehciInstance);
}
ehciInstance->ehciIpBase->USBCMD |= (USBHS_USBCMD_RS_MASK);
if ((kBus_EhciSuspended == ehciInstance->busSuspendStatus))
{
/* ehciInstance->ehciIpBase->PORTSC1 |= USBHS_PORTSC1_FPR_MASK; */
ehciInstance->busSuspendStatus = kBus_EhciStartResume;
}
else
{
}
}
else
{
}
#else
if (ehciInstance->ehciIpBase->USBGENCTRL & USBHS_USBGENCTRL_WU_IE_MASK)
{
usb_host_instance_t *hostPointer = (usb_host_instance_t *)ehciInstance->hostHandle;
hostPointer->deviceCallback(hostPointer->suspendedDevice, NULL,
kUSB_HostEventDetectResume); /* call host callback function */
while (!(USBPHY->PLL_SIC & USBPHY_PLL_SIC_PLL_LOCK_MASK))
{
}
ehciInstance->ehciIpBase->USBGENCTRL |= USBHS_USBGENCTRL_WU_INT_CLR_MASK;
ehciInstance->ehciIpBase->USBGENCTRL &= ~USBHS_USBGENCTRL_WU_IE_MASK;
if (ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_CCS_MASK)
{
USB_HostEhciStartAsync(ehciInstance);
USB_HostEhciStartPeriodic(ehciInstance);
}
ehciInstance->ehciIpBase->USBCMD |= (USBHS_USBCMD_RS_MASK);
if ((kBus_EhciSuspended == ehciInstance->busSuspendStatus))
{
ehciInstance->busSuspendStatus = kBus_EhciStartResume;
/*ehciInstance->ehciIpBase->PORTSC1 |= USBHS_PORTSC1_FPR_MASK; */
}
else
{
}
}
else
{
}
#endif /* FSL_FEATURE_SOC_USBNC_COUNT */
#endif /* USB_HOST_CONFIG_LOW_POWER_MODE */
interruptStatus = ehciInstance->ehciIpBase->USBSTS;
interruptStatus &= ehciInstance->ehciIpBase->USBINTR;
while (interruptStatus) /* there are usb interrupts */
{
ehciInstance->ehciIpBase->USBSTS = interruptStatus; /* clear interrupt */
if (interruptStatus & USBHS_USBSTS_SRI_MASK) /* SOF interrupt */
{
}
if (interruptStatus & USBHS_USBSTS_SEI_MASK) /* system error interrupt */
{
}
if ((interruptStatus & USBHS_USBSTS_UI_MASK) ||
(interruptStatus & USBHS_USBSTS_UEI_MASK)) /* USB interrupt or USB error interrupt */
{
USB_OsaEventSet(ehciInstance->taskEventHandle, EHCI_TASK_EVENT_TRANSACTION_DONE);
}
if (interruptStatus & USBHS_USBSTS_PCI_MASK) /* port change detect interrupt */
{
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
usb_host_instance_t *hostPointer = (usb_host_instance_t *)ehciInstance->hostHandle;
if (ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_FPR_MASK)
{
if (kBus_EhciStartSuspend == ehciInstance->busSuspendStatus)
{
if (ehciInstance->ehciIpBase->PORTSC1 & USBHS_PORTSC1_CCS_MASK)
{
USB_HostEhciStartAsync(ehciInstance);
USB_HostEhciStartPeriodic(ehciInstance);
}
hostPointer->deviceCallback(hostPointer->suspendedDevice, NULL,
kUSB_HostEventNotSuspended); /* call host callback function */
hostPointer->suspendedDevice = NULL;
ehciInstance->busSuspendStatus = kBus_EhciIdle;
ehciInstance->ehciIpBase->USBINTR &= ~(USBHS_USBINTR_TIE1_MASK);
}
else
{
}
}
#endif
USB_OsaEventSet(ehciInstance->taskEventHandle, EHCI_TASK_EVENT_PORT_CHANGE);
}
if (interruptStatus & USBHS_USBSTS_TI0_MASK) /* timer 0 interrupt */
{
USB_OsaEventSet(ehciInstance->taskEventHandle, EHCI_TASK_EVENT_TIMER0);
}
#if ((defined(USB_HOST_CONFIG_LOW_POWER_MODE)) && (USB_HOST_CONFIG_LOW_POWER_MODE > 0U))
if (interruptStatus & USBHS_USBSTS_TI1_MASK) /* timer 1 interrupt */
{
USB_OsaEventSet(ehciInstance->taskEventHandle, EHCI_TASK_EVENT_TIMER1);
}
#endif
interruptStatus = ehciInstance->ehciIpBase->USBSTS;
interruptStatus &= ehciInstance->ehciIpBase->USBINTR;
}
}
#endif /* USB_HOST_CONFIG_EHCI */