1 /* 2 * PXA27x register declarations and HCD data structures 3 * 4 * Copyright (C) 2007 Rodolfo Giometti <giometti@linux.it> 5 * Copyright (C) 2007 Eurotech S.p.A. <info@eurotech.it> 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 11 #ifndef __PXA270X_UDC_H__ 12 #define __PXA270X_UDC_H__ 13 14 #include <asm/byteorder.h> 15 16 /* Endpoint 0 states */ 17 #define EP0_IDLE 0 18 #define EP0_IN_DATA 1 19 #define EP0_OUT_DATA 2 20 #define EP0_XFER_COMPLETE 3 21 22 23 /* Endpoint parameters */ 24 #define MAX_ENDPOINTS 4 25 #define EP_MAX_PACKET_SIZE 64 26 27 #define EP0_MAX_PACKET_SIZE 16 28 #define UDC_OUT_ENDPOINT 0x02 29 #define UDC_OUT_PACKET_SIZE EP_MAX_PACKET_SIZE 30 #define UDC_IN_ENDPOINT 0x01 31 #define UDC_IN_PACKET_SIZE EP_MAX_PACKET_SIZE 32 #define UDC_INT_ENDPOINT 0x05 33 #define UDC_INT_PACKET_SIZE EP_MAX_PACKET_SIZE 34 #define UDC_BULK_PACKET_SIZE EP_MAX_PACKET_SIZE 35 36 void udc_irq(void); 37 /* Flow control */ 38 void udc_set_nak(int epid); 39 void udc_unset_nak(int epid); 40 41 /* Higher level functions for abstracting away from specific device */ 42 int udc_endpoint_write(struct usb_endpoint_instance *endpoint); 43 44 int udc_init(void); 45 46 void udc_enable(struct usb_device_instance *device); 47 void udc_disable(void); 48 49 void udc_connect(void); 50 void udc_disconnect(void); 51 52 void udc_startup_events(struct usb_device_instance *device); 53 void udc_setup_ep(struct usb_device_instance *device, 54 unsigned int ep, struct usb_endpoint_instance *endpoint); 55 56 #endif 57