From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Guenter Roeck <linux@roeck-us.net>, linux-usb@vger.kernel.org
Subject: [PATCH 13/15] usb: typec: Provide definitions for the USB modes
Date: Mon, 30 Dec 2019 17:26:09 +0300 [thread overview]
Message-ID: <20191230142611.24921-14-heikki.krogerus@linux.intel.com> (raw)
In-Reply-To: <20191230142611.24921-1-heikki.krogerus@linux.intel.com>
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: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
include/linux/usb/typec_altmode.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/include/linux/usb/typec_altmode.h b/include/linux/usb/typec_altmode.h
index fc57fd88004f..923ff3af0628 100644
--- a/include/linux/usb/typec_altmode.h
+++ b/include/linux/usb/typec_altmode.h
@@ -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,
--
2.24.1
next prev parent reply other threads:[~2019-12-30 14:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-30 14:25 [PATCH 00/15] USB Type-C changes Heikki Krogerus
2019-12-30 14:25 ` [PATCH 01/15] usb: typec: Block mode entry if the port has the mode disabled Heikki Krogerus
2019-12-30 14:25 ` [PATCH 02/15] usb: typec: Add parameter for the VDO to typec_altmode_enter() Heikki Krogerus
2019-12-30 14:25 ` [PATCH 03/15] usb: typec: More API for cable handling Heikki Krogerus
2019-12-30 14:26 ` [PATCH 04/15] usb: typec: Make the attributes read-only when writing is not possible Heikki Krogerus
2020-01-09 9:46 ` Greg Kroah-Hartman
2020-01-09 11:28 ` Heikki Krogerus
2019-12-30 14:26 ` [PATCH 05/15] usb: typec: Hide the port_type attribute when it's not supported Heikki Krogerus
2019-12-30 14:26 ` [PATCH 06/15] usb: typec: Allow power role swapping even without USB PD Heikki Krogerus
2019-12-30 14:26 ` [PATCH 07/15] usb: typec: Fix the description of struct typec_capability Heikki Krogerus
2019-12-30 14:26 ` [PATCH 08/15] usb: pd: Add definitions for the Enter_USB message Heikki Krogerus
2019-12-30 14:26 ` [PATCH 09/15] usb: pd: Add definition for DFP and UFP1 VDOs Heikki Krogerus
2019-12-30 14:26 ` [PATCH 10/15] usb: typec: Add the Product Type VDOs to struct usb_pd_identity Heikki Krogerus
2019-12-30 14:26 ` [PATCH 11/15] usb: typec: Add definitions for the latest specification releases Heikki Krogerus
2019-12-30 14:26 ` [PATCH 12/15] usb: typec: Give the mux drivers all the details regarding the port state Heikki Krogerus
2019-12-30 14:26 ` Heikki Krogerus [this message]
2019-12-30 14:26 ` [PATCH 14/15] usb: typec: Add member for the supported USB modes to struct typec_capability Heikki Krogerus
2020-01-09 9:52 ` Greg Kroah-Hartman
2020-01-09 11:30 ` Heikki Krogerus
2019-12-30 14:26 ` [PATCH 15/15] usb: typec: ucsi: Store the supported USB modes Heikki Krogerus
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