linux-sg2042/drivers/usb/gadget/g_zero.h

46 lines
1.0 KiB
C

/*
* This header declares the utility functions used by "Gadget Zero", plus
* interfaces to its two single-configuration function drivers.
*/
#ifndef __G_ZERO_H
#define __G_ZERO_H
struct usb_zero_options {
unsigned pattern;
unsigned isoc_interval;
unsigned isoc_maxpacket;
unsigned isoc_mult;
unsigned isoc_maxburst;
unsigned bulk_buflen;
unsigned qlen;
};
struct f_ss_opts {
struct usb_function_instance func_inst;
unsigned pattern;
unsigned isoc_interval;
unsigned isoc_maxpacket;
unsigned isoc_mult;
unsigned isoc_maxburst;
unsigned bulk_buflen;
};
struct f_lb_opts {
struct usb_function_instance func_inst;
unsigned bulk_buflen;
unsigned qlen;
};
void lb_modexit(void);
int lb_modinit(void);
/* common utilities */
struct usb_request *alloc_ep_req(struct usb_ep *ep, int len);
void free_ep_req(struct usb_ep *ep, struct usb_request *req);
void disable_endpoints(struct usb_composite_dev *cdev,
struct usb_ep *in, struct usb_ep *out,
struct usb_ep *iso_in, struct usb_ep *iso_out);
#endif /* __G_ZERO_H */