368 lines
11 KiB
C
368 lines
11 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2017-12-04 ZYH first implementation
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* 2023-10-11 ChuShicheng change rt_size_t to rt_ssize_t
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*/
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#include <usb/include/usb_device_config.h>
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#include <usb/include/usb.h>
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#include <rtthread.h>
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#include <usb/phy/usb_phy.h>
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#include <usb/device/usb_device.h>
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#include <usb/device/usb_device_dci.h>
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#include <rtdevice.h>
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#include <imx6ull.h>
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#define USB0_IRQNUM 75
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/* USB PHY condfiguration */
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#define BOARD_USB_PHY_D_CAL (0x0CU)
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#define BOARD_USB_PHY_TXCAL45DP (0x06U)
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#define BOARD_USB_PHY_TXCAL45DM (0x06U)
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#ifdef BSP_USING_USB_DEVICE
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static usb_device_handle ehci0_handle;
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static struct udcd _fsl_udc_0;
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static usb_status_t usb_device_callback(usb_device_handle handle, uint32_t callbackEvent, void *eventParam);
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static usb_status_t usb_device_endpoint_callback(usb_device_handle handle, usb_device_endpoint_callback_message_struct_t *message, void *callbackParam);
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static void USB_DeviceIsrEnable(uint8_t controllerId)
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{
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uint8_t irqNumber;
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#if defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0U)
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uint8_t usbDeviceEhciIrq[] = USBHS_IRQS;
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irqNumber = usbDeviceEhciIrq[controllerId - kUSB_ControllerEhci0];
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#endif
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/* Install isr, set priority, and enable IRQ. */
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#if defined(__GIC_PRIO_BITS)
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GIC_SetPriority((IRQn_Type)irqNumber, 3);
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#else
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NVIC_SetPriority((IRQn_Type)irqNumber, 3);
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#endif
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EnableIRQ((IRQn_Type)irqNumber);
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}
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/*!
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* @brief Initializes USB specific setting that was not set by the Clocks tool.
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*/
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static void USB_DeviceClockInit(uint8_t controllerId)
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{
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#if defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0U)
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usb_phy_config_struct_t phyConfig = {
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BOARD_USB_PHY_D_CAL, BOARD_USB_PHY_TXCAL45DP, BOARD_USB_PHY_TXCAL45DM,
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};
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#endif
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#if defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0U)
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if (controllerId == kUSB_ControllerEhci0)
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{
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CLOCK_EnableUsbhs0PhyPllClock(kCLOCK_Usbphy480M, 480000000U);
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CLOCK_EnableUsbhs0Clock(kCLOCK_Usb480M, 480000000U);
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}
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else
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{
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CLOCK_EnableUsbhs1PhyPllClock(kCLOCK_Usbphy480M, 480000000U);
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CLOCK_EnableUsbhs1Clock(kCLOCK_Usb480M, 480000000U);
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}
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USB_EhciPhyInit(controllerId, 0, &phyConfig);
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#endif
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}
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static struct ep_id _ehci0_ep_pool[] =
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{
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{0x0, USB_EP_ATTR_CONTROL, USB_DIR_INOUT, 64, ID_ASSIGNED },
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{0x1, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x1, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0x2, USB_EP_ATTR_INT, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x2, USB_EP_ATTR_INT, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0x3, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x3, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0x4, USB_EP_ATTR_INT, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x4, USB_EP_ATTR_INT, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0x5, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x5, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0x6, USB_EP_ATTR_INT, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x6, USB_EP_ATTR_INT, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0x7, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED},
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{0x7, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED},
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{0xFF, USB_EP_ATTR_TYPE_MASK, USB_DIR_MASK, 0, ID_ASSIGNED },
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};
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/*!
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* @brief USB Interrupt service routine.
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*
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* This function serves as the USB interrupt service routine.
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*
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* @return None.
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*/
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static struct rt_workqueue *usb0_wq = NULL;
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static struct rt_work usb0_work;
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void ehci0_work(struct rt_work *work, void *work_data)
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{
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USB_DeviceEhciIsrFunction(ehci0_handle);
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rt_hw_interrupt_umask(USB0_IRQNUM);
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}
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void USB_OTG1_IRQHandler(int irq, void *base)
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{
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// USB_DeviceEhciIsrFunction(ehci0_handle);
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rt_hw_interrupt_mask(USB0_IRQNUM);
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rt_workqueue_dowork(usb0_wq, &usb0_work);
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}
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static rt_err_t _ehci0_ep_set_stall(rt_uint8_t address)
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{
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USB_DeviceStallEndpoint(ehci0_handle, address);
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return RT_EOK;
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}
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static rt_err_t _ehci0_ep_clear_stall(rt_uint8_t address)
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{
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USB_DeviceUnstallEndpoint(ehci0_handle, address);
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return RT_EOK;
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}
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static rt_err_t _ehci0_set_address(rt_uint8_t address)
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{
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USB_DeviceSetStatus(ehci0_handle, kUSB_DeviceStatusAddress, &address);
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return RT_EOK;
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}
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static rt_err_t _ehci0_set_config(rt_uint8_t address)
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{
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return RT_EOK;
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}
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static rt_err_t _ehci0_ep_enable(uep_t ep)
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{
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usb_device_endpoint_init_struct_t ep_init;
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usb_device_endpoint_callback_struct_t ep_callback;
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rt_uint32_t param = ep->ep_desc->bEndpointAddress;
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RT_ASSERT(ep != RT_NULL);
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RT_ASSERT(ep->ep_desc != RT_NULL);
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ep_init.maxPacketSize = ep->ep_desc->wMaxPacketSize;
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ep_init.endpointAddress = ep->ep_desc->bEndpointAddress;
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ep_init.transferType = ep->ep_desc->bmAttributes;
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ep_init.zlt = 0;
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ep_callback.callbackFn = usb_device_endpoint_callback;
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ep_callback.callbackParam = (void *)param;
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ep_callback.isBusy = 0;
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USB_DeviceInitEndpoint(ehci0_handle, &ep_init, &ep_callback);
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return RT_EOK;
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}
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static rt_err_t _ehci0_ep_disable(uep_t ep)
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{
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RT_ASSERT(ep != RT_NULL);
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RT_ASSERT(ep->ep_desc != RT_NULL);
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USB_DeviceDeinitEndpoint(ehci0_handle, ep->ep_desc->bEndpointAddress);
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return RT_EOK;
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}
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static rt_ssize_t _ehci0_ep_read(rt_uint8_t address, void *buffer)
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{
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rt_size_t size = 0;
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RT_ASSERT(buffer != RT_NULL);
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return size;
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}
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static rt_ssize_t _ehci0_ep_read_prepare(rt_uint8_t address, void *buffer, rt_size_t size)
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{
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USB_DeviceRecvRequest(ehci0_handle, address, buffer, size);
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return size;
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}
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static rt_ssize_t _ehci0_ep_write(rt_uint8_t address, void *buffer, rt_size_t size)
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{
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USB_DeviceSendRequest(ehci0_handle, address, buffer, size);
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return size;
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}
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static rt_err_t _ehci0_ep0_send_status(void)
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{
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_ehci0_ep_write(0x00, NULL, 0);
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return RT_EOK;
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}
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static rt_err_t _ehci0_suspend(void)
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{
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return RT_EOK;
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}
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static rt_err_t _ehci0_wakeup(void)
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{
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return RT_EOK;
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}
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const static struct udcd_ops _ehci0_udc_ops =
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{
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_ehci0_set_address,
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_ehci0_set_config,
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_ehci0_ep_set_stall,
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_ehci0_ep_clear_stall,
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_ehci0_ep_enable,
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_ehci0_ep_disable,
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_ehci0_ep_read_prepare,
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_ehci0_ep_read,
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_ehci0_ep_write,
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_ehci0_ep0_send_status,
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_ehci0_suspend,
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_ehci0_wakeup,
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};
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extern void rt_hw_interrupt_umask(int vector);
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static rt_err_t drv_ehci0_usbd_init(rt_device_t device)
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{
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usb_status_t result;
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USB_DeviceClockInit(kUSB_ControllerEhci0);
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result = USB_DeviceInit(kUSB_ControllerEhci0, usb_device_callback, &ehci0_handle);
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RT_ASSERT(ehci0_handle);
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if(result == kStatus_USB_Success)
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{
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usb0_wq = rt_workqueue_create("u0wq", 4096, 3);
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rt_work_init(&usb0_work, ehci0_work, NULL);
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rt_hw_interrupt_install(USB0_IRQNUM, USB_OTG1_IRQHandler, (void *)ehci0_handle, "usb1_intr");
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rt_hw_interrupt_umask(USB0_IRQNUM);
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USB_DeviceRun(ehci0_handle);
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}
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else
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{
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rt_kprintf("USB_DeviceInit ehci0 error\r\n");
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return RT_ERROR;
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}
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return RT_EOK;
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}
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struct rt_device_ops imx6ull_usb_ops =
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{
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drv_ehci0_usbd_init,
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RT_NULL,
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RT_NULL,
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RT_NULL,
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RT_NULL,
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RT_NULL,
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};
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static int rt_usbd_init(void)
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{
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rt_memset((void *)&_fsl_udc_0, 0, sizeof(struct udcd));
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_fsl_udc_0.parent.type = RT_Device_Class_USBDevice;
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_fsl_udc_0.parent.ops = &imx6ull_usb_ops;
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_fsl_udc_0.ops = &_ehci0_udc_ops;
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/* Register endpoint infomation */
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_fsl_udc_0.ep_pool = _ehci0_ep_pool;
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_fsl_udc_0.ep0.id = &_ehci0_ep_pool[0];
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_fsl_udc_0.device_is_hs = RT_FALSE;
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rt_device_register((rt_device_t)&_fsl_udc_0, "usbd", 0);
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rt_usb_device_init();
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return 0;
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}
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// INIT_DEVICE_EXPORT(rt_usbd_init);
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static usb_status_t usb_device_endpoint_callback(usb_device_handle handle, usb_device_endpoint_callback_message_struct_t *message, void *callbackParam)
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{
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rt_uint32_t ep_addr = (rt_uint32_t)callbackParam;
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usb_device_struct_t *deviceHandle = (usb_device_struct_t *)handle;
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udcd_t udcd = RT_NULL;
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uint8_t state;
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if(deviceHandle->controllerId == kUSB_ControllerEhci0)
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udcd = &_fsl_udc_0;
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if(message->isSetup)
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{
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rt_usbd_ep0_setup_handler(udcd, (struct urequest*)message->buffer);
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}
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else if(ep_addr == 0x00)
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{
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USB_DeviceGetStatus(handle, kUSB_DeviceStatusDeviceState, &state);
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if(state == kUSB_DeviceStateAddressing)
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{
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if (kStatus_USB_Success == USB_DeviceSetStatus(handle, kUSB_DeviceStatusAddress, NULL))
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{
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state = kUSB_DeviceStateAddress;
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USB_DeviceSetStatus(handle, kUSB_DeviceStatusDeviceState, &state);
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}
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}
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rt_usbd_ep0_out_handler(udcd, message->length);
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}
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else if(ep_addr == 0x80)
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{
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USB_DeviceGetStatus(handle, kUSB_DeviceStatusDeviceState, &state);
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if(state == kUSB_DeviceStateAddressing)
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{
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if (kStatus_USB_Success == USB_DeviceSetStatus(handle, kUSB_DeviceStatusAddress, NULL))
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{
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state = kUSB_DeviceStateAddress;
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USB_DeviceSetStatus(handle, kUSB_DeviceStatusDeviceState, &state);
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}
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}
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rt_usbd_ep0_in_handler(udcd);
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}
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else if(ep_addr & 0x80)
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{
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rt_usbd_ep_in_handler(udcd, ep_addr, message->length);
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}
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else
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{
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rt_usbd_ep_out_handler(udcd, ep_addr, message->length);
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}
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return kStatus_USB_Success;
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}
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static usb_status_t usb_device_callback(usb_device_handle handle, uint32_t callbackEvent, void *eventParam)
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{
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usb_status_t error = kStatus_USB_Error;
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usb_device_struct_t *deviceHandle = (usb_device_struct_t *)handle;
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usb_device_endpoint_init_struct_t ep0_init =
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{
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0x40,
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0x00,
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USB_EP_ATTR_CONTROL,
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0
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};
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usb_device_endpoint_callback_struct_t ep0_callback =
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{
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usb_device_endpoint_callback,
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0,
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0
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};
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udcd_t udcd = RT_NULL;
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if(deviceHandle->controllerId == kUSB_ControllerEhci0)
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udcd = &_fsl_udc_0;
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switch (callbackEvent)
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{
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case kUSB_DeviceEventBusReset:
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ep0_init.endpointAddress = 0x00;
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ep0_callback.callbackParam = (void *)0x00;
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USB_DeviceInitEndpoint(deviceHandle, &ep0_init, &ep0_callback);
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ep0_init.endpointAddress = 0x80;
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ep0_callback.callbackParam = (void *)0x80;
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USB_DeviceInitEndpoint(deviceHandle, &ep0_init, &ep0_callback);
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rt_usbd_reset_handler(udcd);
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break;
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case kUSB_DeviceEventAttach:
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rt_usbd_connect_handler(udcd);
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break;
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case kUSB_DeviceEventDetach:
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rt_usbd_disconnect_handler(udcd);
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break;
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}
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return error;
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}
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#endif
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/********************* end of file ************************/
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