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authorThomas Zimmermann <tzimmermann@suse.de>2023-03-13 10:14:05 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2023-03-13 10:14:05 +0100
commitb3c9a04135bdbd3aabd5e9534bad0fe6df505f8a (patch)
tree2372cd098db2a0e45da99125258e454b827cb577 /include/linux/surface_aggregator/serial_hub.h
parentfe9ae05cfbe587dda724fcf537c00bc2f287da62 (diff)
parenteeac8ede17557680855031c6f305ece2378af326 (diff)
downloadlinux-next-b3c9a04135bdbd3aabd5e9534bad0fe6df505f8a.tar.gz
linux-next-b3c9a04135bdbd3aabd5e9534bad0fe6df505f8a.zip
Merge drm/drm-fixes into drm-misc-fixes
Backmerging to get latest upstream. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/surface_aggregator/serial_hub.h')
-rw-r--r--include/linux/surface_aggregator/serial_hub.h40
1 files changed, 27 insertions, 13 deletions
diff --git a/include/linux/surface_aggregator/serial_hub.h b/include/linux/surface_aggregator/serial_hub.h
index 45501b6e54e8..5c4ae1a26183 100644
--- a/include/linux/surface_aggregator/serial_hub.h
+++ b/include/linux/surface_aggregator/serial_hub.h
@@ -83,23 +83,21 @@ enum ssh_payload_type {
/**
* struct ssh_command - Payload of a command-type frame.
- * @type: The type of the payload. See &enum ssh_payload_type. Should be
- * SSH_PLD_TYPE_CMD for this struct.
- * @tc: Command target category.
- * @tid_out: Output target ID. Should be zero if this an incoming (EC to host)
- * message.
- * @tid_in: Input target ID. Should be zero if this is an outgoing (host to
- * EC) message.
- * @iid: Instance ID.
- * @rqid: Request ID. Used to match requests with responses and differentiate
- * between responses and events.
- * @cid: Command ID.
+ * @type: The type of the payload. See &enum ssh_payload_type. Should be
+ * SSH_PLD_TYPE_CMD for this struct.
+ * @tc: Command target category.
+ * @tid: Target ID. Indicates the target of the message.
+ * @sid: Source ID. Indicates the source of the message.
+ * @iid: Instance ID.
+ * @rqid: Request ID. Used to match requests with responses and differentiate
+ * between responses and events.
+ * @cid: Command ID.
*/
struct ssh_command {
u8 type;
u8 tc;
- u8 tid_out;
- u8 tid_in;
+ u8 tid;
+ u8 sid;
u8 iid;
__le16 rqid;
u8 cid;
@@ -280,6 +278,22 @@ struct ssam_span {
size_t len;
};
+/**
+ * enum ssam_ssh_tid - Target/source IDs for Serial Hub messages.
+ * @SSAM_SSH_TID_HOST: We as the kernel Serial Hub driver.
+ * @SSAM_SSH_TID_SAM: The Surface Aggregator EC.
+ * @SSAM_SSH_TID_KIP: Keyboard and perihperal controller.
+ * @SSAM_SSH_TID_DEBUG: Debug connector.
+ * @SSAM_SSH_TID_SURFLINK: SurfLink connector.
+ */
+enum ssam_ssh_tid {
+ SSAM_SSH_TID_HOST = 0x00,
+ SSAM_SSH_TID_SAM = 0x01,
+ SSAM_SSH_TID_KIP = 0x02,
+ SSAM_SSH_TID_DEBUG = 0x03,
+ SSAM_SSH_TID_SURFLINK = 0x04,
+};
+
/*
* Known SSH/EC target categories.
*