linux/usb/otg.h

1 /* SPDX-License-Identifier: GPL-2.0 */
6  * (for either host or peripheral roles) don't use these calls; they
28 	/* bind/unbind the host controller */
31 	/* bind/unbind the peripheral controller */
35 	/* effective for A-peripheral, ignored for B devices */
38 	/* for B devices only:  start session with A-Host */
48  * struct usb_otg_caps - describes the otg capabilities of the device
50  *		in binary-coded decimal (i.e. 2.0 is 0200H).
68 	if (otg && otg->start_hnp)  in otg_start_hnp()
69 		return otg->start_hnp(otg);  in otg_start_hnp()
71 	return -ENOTSUPP;  in otg_start_hnp()
78 	if (otg && otg->set_vbus)  in otg_set_vbus()
79 		return otg->set_vbus(otg, enabled);  in otg_set_vbus()
81 	return -ENOTSUPP;  in otg_set_vbus()
88 	if (otg && otg->set_host)  in otg_set_host()
89 		return otg->set_host(otg, host);  in otg_set_host()
91 	return -ENOTSUPP;  in otg_set_host()
94 /* for usb peripheral controller drivers */
100 	if (otg && otg->set_peripheral)  in otg_set_peripheral()
101 		return otg->set_peripheral(otg, periph);  in otg_set_peripheral()
103 	return -ENOTSUPP;  in otg_set_peripheral()
109 	if (otg && otg->start_srp)  in otg_start_srp()
110 		return otg->start_srp(otg);  in otg_start_srp()
112 	return -ENOTSUPP;  in otg_start_srp()
115 /* for OTG controller drivers (and maybe other stuff) */
126  * usb_get_dr_mode - Get dual role mode for given device