1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* USB OTG (On The Go) defines */
28 	int	(*set_host)(struct usb_otg *otg, struct usb_bus *host);
31 	int	(*set_peripheral)(struct usb_otg *otg,
34 	/* effective for A-peripheral, ignored for B devices */
35 	int	(*set_vbus)(struct usb_otg *otg, bool enabled);
37 	/* for B devices only:  start session with A-Host */
38 	int	(*start_srp)(struct usb_otg *otg);
40 	/* start or continue HNP role switch */
41 	int	(*start_hnp)(struct usb_otg *otg);
46  * struct usb_otg_caps - describes the otg capabilities of the device
47  * @otg_rev: The OTG revision number the device is compliant with, it's
48  *		in binary-coded decimal (i.e. 2.0 is 0200H).
64 otg_start_hnp(struct usb_otg *otg)  in otg_start_hnp()  argument
66 	if (otg && otg->start_hnp)  in otg_start_hnp()
67 		return otg->start_hnp(otg);  in otg_start_hnp()
69 	return -ENOTSUPP;  in otg_start_hnp()
74 otg_set_vbus(struct usb_otg *otg, bool enabled)  in otg_set_vbus()  argument
76 	if (otg && otg->set_vbus)  in otg_set_vbus()
77 		return otg->set_vbus(otg, enabled);  in otg_set_vbus()
79 	return -ENOTSUPP;  in otg_set_vbus()
84 otg_set_host(struct usb_otg *otg, struct usb_bus *host)  in otg_set_host()  argument
86 	if (otg && otg->set_host)  in otg_set_host()
87 		return otg->set_host(otg, host);  in otg_set_host()
89 	return -ENOTSUPP;  in otg_set_host()
96 otg_set_peripheral(struct usb_otg *otg, struct usb_gadget *periph)  in otg_set_peripheral()  argument
98 	if (otg && otg->set_peripheral)  in otg_set_peripheral()
99 		return otg->set_peripheral(otg, periph);  in otg_set_peripheral()
101 	return -ENOTSUPP;  in otg_set_peripheral()
105 otg_start_srp(struct usb_otg *otg)  in otg_start_srp()  argument
107 	if (otg && otg->start_srp)  in otg_start_srp()
108 		return otg->start_srp(otg);  in otg_start_srp()
110 	return -ENOTSUPP;  in otg_start_srp()
113 /* for OTG controller drivers (and maybe other stuff) */
124  * usb_get_dr_mode - Get dual role mode for given device