Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/greybus/greybus_manifest.h b/include/linux/greybus/greybus_manifest.h
new file mode 100644
index 0000000..6e62fe4
--- /dev/null
+++ b/include/linux/greybus/greybus_manifest.h
@@ -0,0 +1,181 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Greybus manifest definition
+ *
+ * See "Greybus Application Protocol" document (version 0.1) for
+ * details on these values and structures.
+ *
+ * Copyright 2014-2015 Google Inc.
+ * Copyright 2014-2015 Linaro Ltd.
+ *
+ * Released under the GPLv2 and BSD licenses.
+ */
+
+#ifndef __GREYBUS_MANIFEST_H
+#define __GREYBUS_MANIFEST_H
+
+#include <linux/bits.h>
+#include <linux/types.h>
+
+enum greybus_descriptor_type {
+ GREYBUS_TYPE_INVALID = 0x00,
+ GREYBUS_TYPE_INTERFACE = 0x01,
+ GREYBUS_TYPE_STRING = 0x02,
+ GREYBUS_TYPE_BUNDLE = 0x03,
+ GREYBUS_TYPE_CPORT = 0x04,
+};
+
+enum greybus_protocol {
+ GREYBUS_PROTOCOL_CONTROL = 0x00,
+ /* 0x01 is unused */
+ GREYBUS_PROTOCOL_GPIO = 0x02,
+ GREYBUS_PROTOCOL_I2C = 0x03,
+ GREYBUS_PROTOCOL_UART = 0x04,
+ GREYBUS_PROTOCOL_HID = 0x05,
+ GREYBUS_PROTOCOL_USB = 0x06,
+ GREYBUS_PROTOCOL_SDIO = 0x07,
+ GREYBUS_PROTOCOL_POWER_SUPPLY = 0x08,
+ GREYBUS_PROTOCOL_PWM = 0x09,
+ /* 0x0a is unused */
+ GREYBUS_PROTOCOL_SPI = 0x0b,
+ GREYBUS_PROTOCOL_DISPLAY = 0x0c,
+ GREYBUS_PROTOCOL_CAMERA_MGMT = 0x0d,
+ GREYBUS_PROTOCOL_SENSOR = 0x0e,
+ GREYBUS_PROTOCOL_LIGHTS = 0x0f,
+ GREYBUS_PROTOCOL_VIBRATOR = 0x10,
+ GREYBUS_PROTOCOL_LOOPBACK = 0x11,
+ GREYBUS_PROTOCOL_AUDIO_MGMT = 0x12,
+ GREYBUS_PROTOCOL_AUDIO_DATA = 0x13,
+ GREYBUS_PROTOCOL_SVC = 0x14,
+ GREYBUS_PROTOCOL_BOOTROM = 0x15,
+ GREYBUS_PROTOCOL_CAMERA_DATA = 0x16,
+ GREYBUS_PROTOCOL_FW_DOWNLOAD = 0x17,
+ GREYBUS_PROTOCOL_FW_MANAGEMENT = 0x18,
+ GREYBUS_PROTOCOL_AUTHENTICATION = 0x19,
+ GREYBUS_PROTOCOL_LOG = 0x1a,
+ /* ... */
+ GREYBUS_PROTOCOL_RAW = 0xfe,
+ GREYBUS_PROTOCOL_VENDOR = 0xff,
+};
+
+enum greybus_class_type {
+ GREYBUS_CLASS_CONTROL = 0x00,
+ /* 0x01 is unused */
+ /* 0x02 is unused */
+ /* 0x03 is unused */
+ /* 0x04 is unused */
+ GREYBUS_CLASS_HID = 0x05,
+ /* 0x06 is unused */
+ /* 0x07 is unused */
+ GREYBUS_CLASS_POWER_SUPPLY = 0x08,
+ /* 0x09 is unused */
+ GREYBUS_CLASS_BRIDGED_PHY = 0x0a,
+ /* 0x0b is unused */
+ GREYBUS_CLASS_DISPLAY = 0x0c,
+ GREYBUS_CLASS_CAMERA = 0x0d,
+ GREYBUS_CLASS_SENSOR = 0x0e,
+ GREYBUS_CLASS_LIGHTS = 0x0f,
+ GREYBUS_CLASS_VIBRATOR = 0x10,
+ GREYBUS_CLASS_LOOPBACK = 0x11,
+ GREYBUS_CLASS_AUDIO = 0x12,
+ /* 0x13 is unused */
+ /* 0x14 is unused */
+ GREYBUS_CLASS_BOOTROM = 0x15,
+ GREYBUS_CLASS_FW_MANAGEMENT = 0x16,
+ GREYBUS_CLASS_LOG = 0x17,
+ /* ... */
+ GREYBUS_CLASS_RAW = 0xfe,
+ GREYBUS_CLASS_VENDOR = 0xff,
+};
+
+enum {
+ GREYBUS_INTERFACE_FEATURE_TIMESYNC = BIT(0),
+};
+
+/*
+ * The string in a string descriptor is not NUL-terminated. The
+ * size of the descriptor will be rounded up to a multiple of 4
+ * bytes, by padding the string with 0x00 bytes if necessary.
+ */
+struct greybus_descriptor_string {
+ __u8 length;
+ __u8 id;
+ __u8 string[0];
+} __packed;
+
+/*
+ * An interface descriptor describes information about an interface as a whole,
+ * *not* the functions within it.
+ */
+struct greybus_descriptor_interface {
+ __u8 vendor_stringid;
+ __u8 product_stringid;
+ __u8 features;
+ __u8 pad;
+} __packed;
+
+/*
+ * An bundle descriptor defines an identification number and a class for
+ * each bundle.
+ *
+ * @id: Uniquely identifies a bundle within a interface, its sole purpose is to
+ * allow CPort descriptors to specify which bundle they are associated with.
+ * The first bundle will have id 0, second will have 1 and so on.
+ *
+ * The largest CPort id associated with an bundle (defined by a
+ * CPort descriptor in the manifest) is used to determine how to
+ * encode the device id and module number in UniPro packets
+ * that use the bundle.
+ *
+ * @class: It is used by kernel to know the functionality provided by the
+ * bundle and will be matched against drivers functinality while probing greybus
+ * driver. It should contain one of the values defined in
+ * 'enum greybus_class_type'.
+ *
+ */
+struct greybus_descriptor_bundle {
+ __u8 id; /* interface-relative id (0..) */
+ __u8 class;
+ __u8 pad[2];
+} __packed;
+
+/*
+ * A CPort descriptor indicates the id of the bundle within the
+ * module it's associated with, along with the CPort id used to
+ * address the CPort. The protocol id defines the format of messages
+ * exchanged using the CPort.
+ */
+struct greybus_descriptor_cport {
+ __le16 id;
+ __u8 bundle;
+ __u8 protocol_id; /* enum greybus_protocol */
+} __packed;
+
+struct greybus_descriptor_header {
+ __le16 size;
+ __u8 type; /* enum greybus_descriptor_type */
+ __u8 pad;
+} __packed;
+
+struct greybus_descriptor {
+ struct greybus_descriptor_header header;
+ union {
+ struct greybus_descriptor_string string;
+ struct greybus_descriptor_interface interface;
+ struct greybus_descriptor_bundle bundle;
+ struct greybus_descriptor_cport cport;
+ };
+} __packed;
+
+struct greybus_manifest_header {
+ __le16 size;
+ __u8 version_major;
+ __u8 version_minor;
+} __packed;
+
+struct greybus_manifest {
+ struct greybus_manifest_header header;
+ struct greybus_descriptor descriptors[0];
+} __packed;
+
+#endif /* __GREYBUS_MANIFEST_H */