Commit 0f37a607 authored by Heikki Krogerus's avatar Heikki Krogerus Committed by Greg Kroah-Hartman
Browse files

usb: typec: Provide definitions for the USB modes 



Defining the USB modes from the latest USB Power Delivery
Specification - USB 2.0, USB 3.2 and USB4 - as special modal
states just like the Accessory Modes.

Signed-off-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20191230142611.24921-14-heikki.krogerus@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 87e3daa0

include/linux/usb/typec_altmode.h

+16 −0
Original line number Diff line number Diff line
@@ -101,6 +101,22 @@ enum { 
	TYPEC_MODE_DEBUG,			/* Debug Accessory */

};



/*

 * USB4 also requires that the pins on the connector are repurposed, just like

 * Alternate Modes. USB4 mode is however not entered with the Enter Mode Command

 * like the Alternate Modes are, but instead with a special Enter_USB Message.

 * The Enter_USB Message can also be used for setting to connector to operate in

 * USB 3.2 or in USB 2.0 mode instead of USB4.

 *

 * The Enter_USB specific "USB Modes" are also supplied here as special modal

 * state values, just like the Accessory Modes.

 */

enum {

	TYPEC_MODE_USB2 = TYPEC_MODE_DEBUG,	/* USB 2.0 mode */

	TYPEC_MODE_USB3,			/* USB 3.2 mode */

	TYPEC_MODE_USB4				/* USB4 mode */

};



#define TYPEC_MODAL_STATE(_state_)	((_state_) + TYPEC_STATE_MODAL)



struct typec_altmode *typec_altmode_get_plug(struct typec_altmode *altmode,