From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Benson Leung <bleung@chromium.org>,
Prashant Malani <pmalani@chromium.org>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: [PATCH 8/9] usb: typec: Add definitions for Thunderbolt 3 Alternate Mode
Date: Thu, 13 Feb 2020 16:24:27 +0300 [thread overview]
Message-ID: <20200213132428.53374-9-heikki.krogerus@linux.intel.com> (raw)
In-Reply-To: <20200213132428.53374-1-heikki.krogerus@linux.intel.com>
This adds separate header file for the Thunderbolt 3
Alternate Mode (aka. TBT). The header supplies definitions for
all the Thunderbolt specific VDOs (Vendor Defined Objects)
that are described in the USB Type-C Connector specification
v2.0, as well as definition for the Thunderbolt 3 Standard
ID (SID).
There is also a new connector state value for the
Thunderbolt 3 Alternate Mode that can be used with the mux
drivers.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
include/linux/usb/typec_tbt.h | 53 +++++++++++++++++++++++++++++++++++
1 file changed, 53 insertions(+)
create mode 100644 include/linux/usb/typec_tbt.h
diff --git a/include/linux/usb/typec_tbt.h b/include/linux/usb/typec_tbt.h
new file mode 100644
index 000000000000..47c2d501ddce
--- /dev/null
+++ b/include/linux/usb/typec_tbt.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __USB_TYPEC_TBT_H
+#define __USB_TYPEC_TBT_H
+
+#include <linux/usb/typec_altmode.h>
+
+#define USB_TYPEC_VENDOR_INTEL 0x8087
+/* Alias for convenience */
+#define USB_TYPEC_TBT_SID USB_TYPEC_VENDOR_INTEL
+
+/* Connector state for Thunderbolt3 */
+#define TYPEC_TBT_MODE TYPEC_STATE_MODAL
+
+/**
+ * struct typec_thunderbolt_data - Thundebolt3 Alt Mode specific data
+ * @device_mode: Device Discover Mode VDO
+ * @cable_mode: Cable Discover Mode VDO
+ * @enter_vdo: Enter Mode VDO
+ */
+struct typec_thunderbolt_data {
+ u32 device_mode;
+ u32 cable_mode;
+ u32 enter_vdo;
+};
+
+/* TBT3 Device Discover Mode VDO bits */
+#define TBT_MODE BIT(0)
+#define TBT_ADAPTER(_vdo_) (((_vdo_) & BIT(16)) >> 16)
+#define TBT_ADAPTER_LEGACY 0
+#define TBT_ADAPTER_TBT3 1
+#define TBT_INTEL_SPECIFIC_B0 BIT(26)
+#define TBT_VENDOR_SPECIFIC_B0 BIT(30)
+#define TBT_VENDOR_SPECIFIC_B1 BIT(31)
+
+#define TBT_SET_ADAPTER(a) (((a) & 1) << 16)
+
+/* TBT3 Cable Discover Mode VDO bits */
+#define TBT_CABLE_SPEED(_vdo_) (((_vdo_) & GENMASK(18, 16)) >> 16)
+#define TBT_CABLE_USB3_GEN1 1
+#define TBT_CABLE_USB3_PASSIVE 2
+#define TBT_CABLE_10_AND_20GBPS 3
+#define TBT_CABLE_ROUNDED BIT(19)
+#define TBT_CABLE_OPTICAL BIT(21)
+#define TBT_CABLE_RETIMER BIT(22)
+#define TBT_CABLE_LINK_TRAINING BIT(23)
+
+#define TBT_SET_CABLE_SPEED(_s_) (((_s_) & GENMASK(2, 0)) << 16)
+
+/* TBT3 Device Enter Mode VDO bits */
+#define TBT_ENTER_MODE_CABLE_SPEED(s) TBT_SET_CABLE_SPEED(s)
+#define TBT_ENTER_MODE_ACTIVE_CABLE BIT(24)
+
+#endif /* __USB_TYPEC_TBT_H */
--
2.25.0
next prev parent reply other threads:[~2020-02-13 13:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-13 13:24 [PATCH 0/9] usb: typec: Driver for Intel PMC Mux-Agent Heikki Krogerus
2020-02-13 13:24 ` [PATCH 1/9] usb: typec: mux: Allow the muxes to be named Heikki Krogerus
2020-02-13 13:24 ` [PATCH 2/9] usb: typec: mux: Add helpers for setting the mux state Heikki Krogerus
2020-02-13 13:24 ` [PATCH 3/9] usb: typec: mux: Allow the mux handles to be requested with fwnode Heikki Krogerus
2020-02-13 13:24 ` [PATCH 4/9] usb: roles: Leave the private driver data pointer to the drivers Heikki Krogerus
2020-02-15 9:19 ` Chunfeng Yun
2020-02-17 9:16 ` Heikki Krogerus
2020-02-13 13:24 ` [PATCH 5/9] usb: roles: Provide the switch drivers handle to the switch in the API Heikki Krogerus
2020-02-13 13:32 ` Heikki Krogerus
2020-02-18 7:23 ` Peter Chen
2020-02-18 12:25 ` Heikki Krogerus
2020-02-19 1:58 ` Peter Chen
2020-02-19 13:38 ` Heikki Krogerus
2020-02-19 14:09 ` Peter Chen
2020-02-19 14:14 ` Heikki Krogerus
2020-02-15 9:33 ` Chunfeng Yun
2020-02-13 13:24 ` [PATCH 6/9] usb: roles: Allow the role switches to be named Heikki Krogerus
2020-02-13 13:24 ` [PATCH 7/9] device property: Export fwnode_get_name() Heikki Krogerus
2020-02-13 13:24 ` Heikki Krogerus [this message]
2020-02-13 13:24 ` [PATCH 9/9] usb: typec: driver for Intel PMC mux control Heikki Krogerus
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