linux-kernel - [RFC PATCH v2 3/7] typec: tcpm: Add SDB header for Status message handling

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Message-ID: <73a1867b7ef5de11ddd0825827eba6bd1dd0b6ef.1510657748.git.Adam.Thomson.Opensource@diasemi.com>
Date:   Tue, 14 Nov 2017 11:44:44 +0000
From:   Adam Thomson <Adam.Thomson.Opensource@...semi.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sebastian Reichel <sre@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Yueyao Zhu <yueyao.zhu@...il.com>,
        Rui Miguel Silva <rmfrfs@...il.com>
CC:     <linux-usb@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <support.opensource@...semi.com>
Subject: [RFC PATCH v2 3/7] typec: tcpm: Add SDB header for Status message handling

This commit adds a header providing definitions for handling
Status messages. Currently the header only focuses on handling
incoming Status messages.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@...semi.com>
---
 include/linux/usb/pd_ext_sdb.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 include/linux/usb/pd_ext_sdb.h

diff --git a/include/linux/usb/pd_ext_sdb.h b/include/linux/usb/pd_ext_sdb.h
new file mode 100644
index 0000000..0eb83ce
--- /dev/null
+++ b/include/linux/usb/pd_ext_sdb.h
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2017 Dialog Semiconductor
+ *
+ * Author: Adam Thomson <Adam.Thomson.Opensource@...semi.com>
+ */
+
+#ifndef __LINUX_USB_PD_EXT_SDB_H
+#define __LINUX_USB_PD_EXT_SDB_H
+
+/* SDB : Status Data Block */
+enum usb_pd_ext_sdb_fields {
+	USB_PD_EXT_SDB_INTERNAL_TEMP = 0,
+	USB_PD_EXT_SDB_PRESENT_INPUT,
+	USB_PD_EXT_SDB_PRESENT_BATT_INPUT,
+	USB_PD_EXT_SDB_EVENT_FLAGS,
+	USB_PD_EXT_SDB_TEMP_STATUS,
+	USB_PD_EXT_SDB_DATA_SIZE,
+};
+
+/* Event Flags */
+#define USB_PD_EXT_SDB_EVENT_OCP		BIT(1)
+#define USB_PD_EXT_SDB_EVENT_OTP		BIT(2)
+#define USB_PD_EXT_SDB_EVENT_OVP		BIT(3)
+#define USB_PD_EXT_SDB_EVENT_CF_CV_MODE		BIT(4)
+
+#define USB_PD_EXT_SDB_PPS_EVENTS	(USB_PD_EXT_SDB_EVENT_OCP |	\
+					 USB_PD_EXT_SDB_EVENT_OTP |	\
+					 USB_PD_EXT_SDB_EVENT_OVP)
+
+#endif /* __LINUX_USB_PD_EXT_SDB_H */
-- 
1.9.1