dwc2.h

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#ifndef __DWC2_H__
#define __DWC2_H__
 
#include <stdint.h>
 
#define USB_PID_SETUP 3
#define USB_PID_DATA 2
#define USB_PID_DATA0 0
#define USB_PID_DATA2 1
 
 
#define DWC2_GET_PORT_SPEED(hport)  ((hport >> 17) & 0x3)  
#define EP_OUT 0
#define EP_IN 1
#define EP_BIDIR 2
 
#define EP_CONTROL 0
#define EP_ISOCHRONOUS 1
#define EP_BULK 2
#define EP_INTERRUPT 3
 
typedef struct {
    uint8_t dev_address; // 0 is default, 1-127 are assigned by device
    uint8_t ep_num; // 0 control endpoint, 0-15 max
    uint8_t dir; //0 = OUT, 1 = IN , 2 = BIDIR
    uint8_t type; //0 = Control, 1 = Isoch, 2, = Bulk, 3 = Interrupt
    uint8_t speed;  //0 = HIGH, 1, FULL, 2 = LOW
    uint16_t max_packet_sz;
    uint8_t interval;
    uint8_t split_enable;
    uint8_t hub_address;
    uint8_t hub_port;
    uint8_t next_pid;
 
}dwc2_usb_endpoint_t;
 
 
typedef struct {
    uint8_t bmRequestType;
    uint8_t bmRequest;
    uint16_t wValue;
    uint16_t wIndex;
    uint16_t wLength;
}usb_setup_packet_t;
extern uint32_t dwc2_read(uint64_t base);
 
extern void dwc2_write(uint64_t base, uint32_t value);
 
extern void dwc2_control_transfer(struct dwc2_core_regs* regs, dwc2_usb_endpoint_t* ep, uint8_t bmRequestType, uint8_t b_request,
    uint16_t wValue, uint16_t wIndex, void* data, uint16_t wLength);
 
extern void dwc2_interrupt_transfer(dwc2_core_regs* regs, dwc2_usb_endpoint_t* ep, void* intbuf, uint8_t ch, uint32_t odd, uint8_t pid);
 
extern void dwc2_enumerate_root_device(struct dwc2_core_regs* regs);
 
extern void dwc2_handle_channel_interrupt(dwc2_core_regs* regs, int ch);
 
extern void* dwc2_get_dma_address();
 
extern void* dwc2_get_dma_address_phys();
 
extern void dwc2_flush_tx_fifo(struct dwc2_core_regs* regs, uint32_t nfifo);
 
extern void dwc2_flush_rx_fifo(struct dwc2_core_regs* regs);
 
extern void dwc2_add_to_used_dma_list(void* phys);
 
extern void dwc2_free_used_dma_list();
 
extern void root_hub_transfer_int(dwc2_core_regs* regs, uint8_t pid);
 
extern void* root_hub_get_interrupt_buffer();
 
extern void root_hub_handle_port_change(dwc2_core_regs* regs, uint8_t port);
#endif