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